/* THIS IS A SINGLE-FILE DISTRIBUTION CONCATENATED FROM THE OPEN62541 SOURCES
 * visit http://open62541.org/ for information about this software
 * Git-Revision: v1.3.6
 */

/*
 * Copyright (C) 2014-2021 the contributors as stated in the AUTHORS file
 *
 * This file is part of open62541. open62541 is free software: you can
 * redistribute it and/or modify it under the terms of the Mozilla Public
 * License v2.0 as stated in the LICENSE file provided with open62541.
 *
 * open62541 is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.
 */

#ifndef UA_DYNAMIC_LINKING_EXPORT
# define UA_DYNAMIC_LINKING_EXPORT
# define MDNSD_DYNAMIC_LINKING
#endif

/* Disable security warnings for BSD sockets on MSVC */
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
# define _CRT_SECURE_NO_WARNINGS
#endif

#include "open62541.h"

/**** amalgamated original file "/deps/open62541_queue.h" ****/

/*	$OpenBSD: queue.h,v 1.38 2013/07/03 15:05:21 fgsch Exp $	*/
/*	$NetBSD: queue.h,v 1.11 1996/05/16 05:17:14 mycroft Exp $	*/

/*
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)queue.h	8.5 (Berkeley) 8/20/94
 */


/*
 * This file defines five types of data structures: singly-linked lists, 
 * lists, simple queues, tail queues, and circular queues.
 *
 *
 * A singly-linked list is headed by a single forward pointer. The elements
 * are singly linked for minimum space and pointer manipulation overhead at
 * the expense of O(n) removal for arbitrary elements. New elements can be
 * added to the list after an existing element or at the head of the list.
 * Elements being removed from the head of the list should use the explicit
 * macro for this purpose for optimum efficiency. A singly-linked list may
 * only be traversed in the forward direction.  Singly-linked lists are ideal
 * for applications with large datasets and few or no removals or for
 * implementing a LIFO queue.
 *
 * A list is headed by a single forward pointer (or an array of forward
 * pointers for a hash table header). The elements are doubly linked
 * so that an arbitrary element can be removed without a need to
 * traverse the list. New elements can be added to the list before
 * or after an existing element or at the head of the list. A list
 * may only be traversed in the forward direction.
 *
 * A simple queue is headed by a pair of pointers, one the head of the
 * list and the other to the tail of the list. The elements are singly
 * linked to save space, so elements can only be removed from the
 * head of the list. New elements can be added to the list before or after
 * an existing element, at the head of the list, or at the end of the
 * list. A simple queue may only be traversed in the forward direction.
 *
 * A tail queue is headed by a pair of pointers, one to the head of the
 * list and the other to the tail of the list. The elements are doubly
 * linked so that an arbitrary element can be removed without a need to
 * traverse the list. New elements can be added to the list before or
 * after an existing element, at the head of the list, or at the end of
 * the list. A tail queue may be traversed in either direction.
 *
 * A circle queue is headed by a pair of pointers, one to the head of the
 * list and the other to the tail of the list. The elements are doubly
 * linked so that an arbitrary element can be removed without a need to
 * traverse the list. New elements can be added to the list before or after
 * an existing element, at the head of the list, or at the end of the list.
 * A circle queue may be traversed in either direction, but has a more
 * complex end of list detection.
 *
 * For details on the use of these macros, see the queue(3) manual page.
 */

#if defined(QUEUE_MACRO_DEBUG) || (defined(_KERNEL) && defined(DIAGNOSTIC))
#define _Q_INVALIDATE(a) (a) = ((void *)-1)
#else
#define _Q_INVALIDATE(a)
#endif

/*
 * Singly-linked List definitions.
 */
#define SLIST_HEAD(name, type)						\
struct name {								\
    struct type *slh_first;	/* first element */			\
}
 
#define	SLIST_HEAD_INITIALIZER(head)					\
    { NULL }

#define SLIST_ENTRY(type)						\
struct {								\
    struct type *sle_next;	/* next element */			\
}
 
/*
 * Singly-linked List access methods.
 */
#define	SLIST_FIRST(head)	((head)->slh_first)
#define	SLIST_END(head)		NULL
#define	SLIST_EMPTY(head)	(SLIST_FIRST(head) == SLIST_END(head))
#define	SLIST_NEXT(elm, field)	((elm)->field.sle_next)

#define	SLIST_FOREACH(var, head, field)					\
    for((var) = SLIST_FIRST(head);					\
        (var) != SLIST_END(head);					\
        (var) = SLIST_NEXT(var, field))

#define	SLIST_FOREACH_SAFE(var, head, field, tvar)			\
    for ((var) = SLIST_FIRST(head);				\
        (var) && ((tvar) = SLIST_NEXT(var, field), 1);		\
        (var) = (tvar))

/*
 * Singly-linked List functions.
 */
#define	SLIST_INIT(head) do {						\
    SLIST_FIRST(head) = SLIST_END(head);				\
} while(0)

#define	SLIST_INSERT_AFTER(slistelm, elm, field) do {			\
    (elm)->field.sle_next = (slistelm)->field.sle_next;		\
    (slistelm)->field.sle_next = (elm);				\
} while (0)

#define	SLIST_INSERT_HEAD(head, elm, field) do {			\
    (elm)->field.sle_next = (head)->slh_first;			\
    (head)->slh_first = (elm);					\
} while (0)

#define	SLIST_REMOVE_AFTER(elm, field) do {				\
    (elm)->field.sle_next = (elm)->field.sle_next->field.sle_next;	\
} while (0)

#define	SLIST_REMOVE_HEAD(head, field) do {				\
    (head)->slh_first = (head)->slh_first->field.sle_next;		\
} while (0)

#define SLIST_REMOVE(head, elm, type, field) do {			\
    if ((head)->slh_first == (elm)) {				\
        SLIST_REMOVE_HEAD((head), field);			\
    } else {							\
        struct type *curelm = (head)->slh_first;		\
                                    \
        while (curelm->field.sle_next != (elm))			\
            curelm = curelm->field.sle_next;		\
        curelm->field.sle_next =				\
            curelm->field.sle_next->field.sle_next;		\
        _Q_INVALIDATE((elm)->field.sle_next);			\
    }								\
} while (0)

/*
 * List definitions.
 */
#define LIST_HEAD(name, type)						\
struct name {								\
    struct type *lh_first;	/* first element */			\
}

#define LIST_HEAD_INITIALIZER(head)					\
    { NULL }

#define LIST_ENTRY(type)						\
struct {								\
    struct type *le_next;	/* next element */			\
    struct type **le_prev;	/* address of previous next element */	\
}

/*
 * List access methods
 */
#define	LIST_FIRST(head)		((head)->lh_first)
#define	LIST_END(head)			NULL
#define	LIST_EMPTY(head)		(LIST_FIRST(head) == LIST_END(head))
#define	LIST_NEXT(elm, field)		((elm)->field.le_next)

#define LIST_FOREACH(var, head, field)					\
    for((var) = LIST_FIRST(head);					\
        (var)!= LIST_END(head);					\
        (var) = LIST_NEXT(var, field))

#define	LIST_FOREACH_SAFE(var, head, field, tvar)			\
    for ((var) = LIST_FIRST(head);				\
        (var) && ((tvar) = LIST_NEXT(var, field), 1);		\
        (var) = (tvar))

/*
 * List functions.
 */
#define	LIST_INIT(head) do {						\
    LIST_FIRST(head) = LIST_END(head);				\
} while (0)

#define LIST_INSERT_AFTER(listelm, elm, field) do {			\
    if (((elm)->field.le_next = (listelm)->field.le_next) != NULL)	\
        (listelm)->field.le_next->field.le_prev =		\
            &(elm)->field.le_next;				\
    (listelm)->field.le_next = (elm);				\
    (elm)->field.le_prev = &(listelm)->field.le_next;		\
} while (0)

#define	LIST_INSERT_BEFORE(listelm, elm, field) do {			\
    (elm)->field.le_prev = (listelm)->field.le_prev;		\
    (elm)->field.le_next = (listelm);				\
    *(listelm)->field.le_prev = (elm);				\
    (listelm)->field.le_prev = &(elm)->field.le_next;		\
} while (0)

#define LIST_INSERT_HEAD(head, elm, field) do {				\
    if (((elm)->field.le_next = (head)->lh_first) != NULL)		\
        (head)->lh_first->field.le_prev = &(elm)->field.le_next;\
    (head)->lh_first = (elm);					\
    (elm)->field.le_prev = &(head)->lh_first;			\
} while (0)

#define LIST_REMOVE(elm, field) do {					\
    if ((elm)->field.le_next != NULL)				\
        (elm)->field.le_next->field.le_prev =			\
            (elm)->field.le_prev;				\
    *(elm)->field.le_prev = (elm)->field.le_next;			\
    _Q_INVALIDATE((elm)->field.le_prev);				\
    _Q_INVALIDATE((elm)->field.le_next);				\
} while (0)

#define LIST_REPLACE(elm, elm2, field) do {				\
    if (((elm2)->field.le_next = (elm)->field.le_next) != NULL)	\
        (elm2)->field.le_next->field.le_prev =			\
            &(elm2)->field.le_next;				\
    (elm2)->field.le_prev = (elm)->field.le_prev;			\
    *(elm2)->field.le_prev = (elm2);				\
    _Q_INVALIDATE((elm)->field.le_prev);				\
    _Q_INVALIDATE((elm)->field.le_next);				\
} while (0)

/*
 * Simple queue definitions.
 */
#define SIMPLEQ_HEAD(name, type)					\
struct name {								\
    struct type *sqh_first;	/* first element */			\
    struct type **sqh_last;	/* addr of last next element */		\
}

#define SIMPLEQ_HEAD_INITIALIZER(head)					\
    { NULL, &(head).sqh_first }

#define SIMPLEQ_ENTRY(type)						\
struct {								\
    struct type *sqe_next;	/* next element */			\
}

/*
 * Simple queue access methods.
 */
#define	SIMPLEQ_FIRST(head)	    ((head)->sqh_first)
#define	SIMPLEQ_END(head)	    NULL
#define	SIMPLEQ_EMPTY(head)	    (SIMPLEQ_FIRST(head) == SIMPLEQ_END(head))
#define	SIMPLEQ_NEXT(elm, field)    ((elm)->field.sqe_next)

#define SIMPLEQ_FOREACH(var, head, field)				\
    for((var) = SIMPLEQ_FIRST(head);				\
        (var) != SIMPLEQ_END(head);					\
        (var) = SIMPLEQ_NEXT(var, field))

#define	SIMPLEQ_FOREACH_SAFE(var, head, field, tvar)			\
    for ((var) = SIMPLEQ_FIRST(head);				\
        (var) && ((tvar) = SIMPLEQ_NEXT(var, field), 1);		\
        (var) = (tvar))

/*
 * Simple queue functions.
 */
#define	SIMPLEQ_INIT(head) do {						\
    (head)->sqh_first = NULL;					\
    (head)->sqh_last = &(head)->sqh_first;				\
} while (0)

#define SIMPLEQ_INSERT_HEAD(head, elm, field) do {			\
    if (((elm)->field.sqe_next = (head)->sqh_first) == NULL)	\
        (head)->sqh_last = &(elm)->field.sqe_next;		\
    (head)->sqh_first = (elm);					\
} while (0)

#define SIMPLEQ_INSERT_TAIL(head, elm, field) do {			\
    (elm)->field.sqe_next = NULL;					\
    *(head)->sqh_last = (elm);					\
    (head)->sqh_last = &(elm)->field.sqe_next;			\
} while (0)

#define SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
    if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\
        (head)->sqh_last = &(elm)->field.sqe_next;		\
    (listelm)->field.sqe_next = (elm);				\
} while (0)

#define SIMPLEQ_REMOVE_HEAD(head, field) do {			\
    if (((head)->sqh_first = (head)->sqh_first->field.sqe_next) == NULL) \
        (head)->sqh_last = &(head)->sqh_first;			\
} while (0)

#define SIMPLEQ_REMOVE_AFTER(head, elm, field) do {			\
    if (((elm)->field.sqe_next = (elm)->field.sqe_next->field.sqe_next) \
        == NULL)							\
        (head)->sqh_last = &(elm)->field.sqe_next;		\
} while (0)

/*
 * XOR Simple queue definitions.
 */
#define XSIMPLEQ_HEAD(name, type)					\
struct name {								\
    struct type *sqx_first;	/* first element */			\
    struct type **sqx_last;	/* addr of last next element */		\
    unsigned long sqx_cookie;					\
}

#define XSIMPLEQ_ENTRY(type)						\
struct {								\
    struct type *sqx_next;	/* next element */			\
}

/*
 * XOR Simple queue access methods.
 */
#define XSIMPLEQ_XOR(head, ptr)	    ((__typeof(ptr))((head)->sqx_cookie ^ \
                    (unsigned long)(ptr)))
#define	XSIMPLEQ_FIRST(head)	    XSIMPLEQ_XOR(head, ((head)->sqx_first))
#define	XSIMPLEQ_END(head)	    NULL
#define	XSIMPLEQ_EMPTY(head)	    (XSIMPLEQ_FIRST(head) == XSIMPLEQ_END(head))
#define	XSIMPLEQ_NEXT(head, elm, field)    XSIMPLEQ_XOR(head, ((elm)->field.sqx_next))


#define XSIMPLEQ_FOREACH(var, head, field)				\
    for ((var) = XSIMPLEQ_FIRST(head);				\
        (var) != XSIMPLEQ_END(head);				\
        (var) = XSIMPLEQ_NEXT(head, var, field))

#define	XSIMPLEQ_FOREACH_SAFE(var, head, field, tvar)			\
    for ((var) = XSIMPLEQ_FIRST(head);				\
        (var) && ((tvar) = XSIMPLEQ_NEXT(head, var, field), 1);	\
        (var) = (tvar))

/*
 * XOR Simple queue functions.
 */
#define	XSIMPLEQ_INIT(head) do {					\
    arc4random_buf(&(head)->sqx_cookie, sizeof((head)->sqx_cookie)); \
    (head)->sqx_first = XSIMPLEQ_XOR(head, NULL);			\
    (head)->sqx_last = XSIMPLEQ_XOR(head, &(head)->sqx_first);	\
} while (0)

#define XSIMPLEQ_INSERT_HEAD(head, elm, field) do {			\
    if (((elm)->field.sqx_next = (head)->sqx_first) ==		\
        XSIMPLEQ_XOR(head, NULL))					\
        (head)->sqx_last = XSIMPLEQ_XOR(head, &(elm)->field.sqx_next); \
    (head)->sqx_first = XSIMPLEQ_XOR(head, (elm));			\
} while (0)

#define XSIMPLEQ_INSERT_TAIL(head, elm, field) do {			\
    (elm)->field.sqx_next = XSIMPLEQ_XOR(head, NULL);		\
    *(XSIMPLEQ_XOR(head, (head)->sqx_last)) = XSIMPLEQ_XOR(head, (elm)); \
    (head)->sqx_last = XSIMPLEQ_XOR(head, &(elm)->field.sqx_next);	\
} while (0)

#define XSIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
    if (((elm)->field.sqx_next = (listelm)->field.sqx_next) ==	\
        XSIMPLEQ_XOR(head, NULL))					\
        (head)->sqx_last = XSIMPLEQ_XOR(head, &(elm)->field.sqx_next); \
    (listelm)->field.sqx_next = XSIMPLEQ_XOR(head, (elm));		\
} while (0)

#define XSIMPLEQ_REMOVE_HEAD(head, field) do {				\
    if (((head)->sqx_first = XSIMPLEQ_XOR(head,			\
        (head)->sqx_first)->field.sqx_next) == XSIMPLEQ_XOR(head, NULL)) \
        (head)->sqx_last = XSIMPLEQ_XOR(head, &(head)->sqx_first); \
} while (0)

#define XSIMPLEQ_REMOVE_AFTER(head, elm, field) do {			\
    if (((elm)->field.sqx_next = XSIMPLEQ_XOR(head,			\
        (elm)->field.sqx_next)->field.sqx_next)			\
        == XSIMPLEQ_XOR(head, NULL))				\
        (head)->sqx_last = 					\
            XSIMPLEQ_XOR(head, &(elm)->field.sqx_next);		\
} while (0)

            
/*
 * Tail queue definitions.
 */
#define TAILQ_HEAD(name, type)						\
struct name {								\
    struct type *tqh_first;	/* first element */			\
    struct type **tqh_last;	/* addr of last next element */		\
}

#define TAILQ_HEAD_INITIALIZER(head)					\
    { NULL, &(head).tqh_first }

#define TAILQ_ENTRY(type)						\
struct {								\
    struct type *tqe_next;	/* next element */			\
    struct type **tqe_prev;	/* address of previous next element */	\
}

/* 
 * tail queue access methods 
 */
#define	TAILQ_FIRST(head)		((head)->tqh_first)
#define	TAILQ_END(head)			NULL
#define	TAILQ_NEXT(elm, field)		((elm)->field.tqe_next)
#define TAILQ_LAST(head, headname)					\
    (*(((struct headname *)((head)->tqh_last))->tqh_last))
/* XXX */
#define TAILQ_PREV(elm, headname, field)				\
    (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
#define	TAILQ_EMPTY(head)						\
    (TAILQ_FIRST(head) == TAILQ_END(head))

#define TAILQ_FOREACH(var, head, field)					\
    for((var) = TAILQ_FIRST(head);					\
        (var) != TAILQ_END(head);					\
        (var) = TAILQ_NEXT(var, field))

#define	TAILQ_FOREACH_SAFE(var, head, field, tvar)			\
    for ((var) = TAILQ_FIRST(head);					\
        (var) != TAILQ_END(head) &&					\
        ((tvar) = TAILQ_NEXT(var, field), 1);			\
        (var) = (tvar))


#define TAILQ_FOREACH_REVERSE(var, head, headname, field)		\
    for((var) = TAILQ_LAST(head, headname);				\
        (var) != TAILQ_END(head);					\
        (var) = TAILQ_PREV(var, headname, field))

#define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\
    for ((var) = TAILQ_LAST(head, headname);			\
        (var) != TAILQ_END(head) &&					\
        ((tvar) = TAILQ_PREV(var, headname, field), 1);		\
        (var) = (tvar))

/*
 * Tail queue functions.
 */
#define	TAILQ_INIT(head) do {						\
    (head)->tqh_first = NULL;					\
    (head)->tqh_last = &(head)->tqh_first;				\
} while (0)

#define TAILQ_INSERT_HEAD(head, elm, field) do {			\
    if (((elm)->field.tqe_next = (head)->tqh_first) != NULL)	\
        (head)->tqh_first->field.tqe_prev =			\
            &(elm)->field.tqe_next;				\
    else								\
        (head)->tqh_last = &(elm)->field.tqe_next;		\
    (head)->tqh_first = (elm);					\
    (elm)->field.tqe_prev = &(head)->tqh_first;			\
} while (0)

#define TAILQ_INSERT_TAIL(head, elm, field) do {			\
    (elm)->field.tqe_next = NULL;					\
    (elm)->field.tqe_prev = (head)->tqh_last;			\
    *(head)->tqh_last = (elm);					\
    (head)->tqh_last = &(elm)->field.tqe_next;			\
} while (0)

#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
    if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
        (elm)->field.tqe_next->field.tqe_prev =			\
            &(elm)->field.tqe_next;				\
    else								\
        (head)->tqh_last = &(elm)->field.tqe_next;		\
    (listelm)->field.tqe_next = (elm);				\
    (elm)->field.tqe_prev = &(listelm)->field.tqe_next;		\
} while (0)

#define	TAILQ_INSERT_BEFORE(listelm, elm, field) do {			\
    (elm)->field.tqe_prev = (listelm)->field.tqe_prev;		\
    (elm)->field.tqe_next = (listelm);				\
    *(listelm)->field.tqe_prev = (elm);				\
    (listelm)->field.tqe_prev = &(elm)->field.tqe_next;		\
} while (0)

#define TAILQ_REMOVE(head, elm, field) do {				\
    if (((elm)->field.tqe_next) != NULL)				\
        (elm)->field.tqe_next->field.tqe_prev =			\
            (elm)->field.tqe_prev;				\
    else								\
        (head)->tqh_last = (elm)->field.tqe_prev;		\
    *(elm)->field.tqe_prev = (elm)->field.tqe_next;			\
    _Q_INVALIDATE((elm)->field.tqe_prev);				\
    _Q_INVALIDATE((elm)->field.tqe_next);				\
} while (0)

#define TAILQ_REPLACE(head, elm, elm2, field) do {			\
    if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL)	\
        (elm2)->field.tqe_next->field.tqe_prev =		\
            &(elm2)->field.tqe_next;				\
    else								\
        (head)->tqh_last = &(elm2)->field.tqe_next;		\
    (elm2)->field.tqe_prev = (elm)->field.tqe_prev;			\
    *(elm2)->field.tqe_prev = (elm2);				\
    _Q_INVALIDATE((elm)->field.tqe_prev);				\
    _Q_INVALIDATE((elm)->field.tqe_next);				\
} while (0)

/*
 * Circular queue definitions.
 */
#define CIRCLEQ_HEAD(name, type)					\
struct name {								\
    struct type *cqh_first;		/* first element */		\
    struct type *cqh_last;		/* last element */		\
}

#define CIRCLEQ_HEAD_INITIALIZER(head)					\
    { CIRCLEQ_END(&head), CIRCLEQ_END(&head) }

#define CIRCLEQ_ENTRY(type)						\
struct {								\
    struct type *cqe_next;		/* next element */		\
    struct type *cqe_prev;		/* previous element */		\
}

/*
 * Circular queue access methods 
 */
#define	CIRCLEQ_FIRST(head)		((head)->cqh_first)
#define	CIRCLEQ_LAST(head)		((head)->cqh_last)
#define	CIRCLEQ_END(head)		((void *)(head))
#define	CIRCLEQ_NEXT(elm, field)	((elm)->field.cqe_next)
#define	CIRCLEQ_PREV(elm, field)	((elm)->field.cqe_prev)
#define	CIRCLEQ_EMPTY(head)						\
    (CIRCLEQ_FIRST(head) == CIRCLEQ_END(head))

#define CIRCLEQ_FOREACH(var, head, field)				\
    for((var) = CIRCLEQ_FIRST(head);				\
        (var) != CIRCLEQ_END(head);					\
        (var) = CIRCLEQ_NEXT(var, field))

#define	CIRCLEQ_FOREACH_SAFE(var, head, field, tvar)			\
    for ((var) = CIRCLEQ_FIRST(head);				\
        (var) != CIRCLEQ_END(head) &&				\
        ((tvar) = CIRCLEQ_NEXT(var, field), 1);			\
        (var) = (tvar))

#define CIRCLEQ_FOREACH_REVERSE(var, head, field)			\
    for((var) = CIRCLEQ_LAST(head);					\
        (var) != CIRCLEQ_END(head);					\
        (var) = CIRCLEQ_PREV(var, field))

#define	CIRCLEQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\
    for ((var) = CIRCLEQ_LAST(head, headname);			\
        (var) != CIRCLEQ_END(head) && 				\
        ((tvar) = CIRCLEQ_PREV(var, headname, field), 1);		\
        (var) = (tvar))

/*
 * Circular queue functions.
 */
#define	CIRCLEQ_INIT(head) do {						\
    (head)->cqh_first = CIRCLEQ_END(head);				\
    (head)->cqh_last = CIRCLEQ_END(head);				\
} while (0)

#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
    (elm)->field.cqe_next = (listelm)->field.cqe_next;		\
    (elm)->field.cqe_prev = (listelm);				\
    if ((listelm)->field.cqe_next == CIRCLEQ_END(head))		\
        (head)->cqh_last = (elm);				\
    else								\
        (listelm)->field.cqe_next->field.cqe_prev = (elm);	\
    (listelm)->field.cqe_next = (elm);				\
} while (0)

#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do {		\
    (elm)->field.cqe_next = (listelm);				\
    (elm)->field.cqe_prev = (listelm)->field.cqe_prev;		\
    if ((listelm)->field.cqe_prev == CIRCLEQ_END(head))		\
        (head)->cqh_first = (elm);				\
    else								\
        (listelm)->field.cqe_prev->field.cqe_next = (elm);	\
    (listelm)->field.cqe_prev = (elm);				\
} while (0)

#define CIRCLEQ_INSERT_HEAD(head, elm, field) do {			\
    (elm)->field.cqe_next = (head)->cqh_first;			\
    (elm)->field.cqe_prev = CIRCLEQ_END(head);			\
    if ((head)->cqh_last == CIRCLEQ_END(head))			\
        (head)->cqh_last = (elm);				\
    else								\
        (head)->cqh_first->field.cqe_prev = (elm);		\
    (head)->cqh_first = (elm);					\
} while (0)

#define CIRCLEQ_INSERT_TAIL(head, elm, field) do {			\
    (elm)->field.cqe_next = CIRCLEQ_END(head);			\
    (elm)->field.cqe_prev = (head)->cqh_last;			\
    if ((head)->cqh_first == CIRCLEQ_END(head))			\
        (head)->cqh_first = (elm);				\
    else								\
        (head)->cqh_last->field.cqe_next = (elm);		\
    (head)->cqh_last = (elm);					\
} while (0)

#define	CIRCLEQ_REMOVE(head, elm, field) do {				\
    if ((elm)->field.cqe_next == CIRCLEQ_END(head))			\
        (head)->cqh_last = (elm)->field.cqe_prev;		\
    else								\
        (elm)->field.cqe_next->field.cqe_prev =			\
            (elm)->field.cqe_prev;				\
    if ((elm)->field.cqe_prev == CIRCLEQ_END(head))			\
        (head)->cqh_first = (elm)->field.cqe_next;		\
    else								\
        (elm)->field.cqe_prev->field.cqe_next =			\
            (elm)->field.cqe_next;				\
    _Q_INVALIDATE((elm)->field.cqe_prev);				\
    _Q_INVALIDATE((elm)->field.cqe_next);				\
} while (0)

#define CIRCLEQ_REPLACE(head, elm, elm2, field) do {			\
    if (((elm2)->field.cqe_next = (elm)->field.cqe_next) ==		\
        CIRCLEQ_END(head))						\
        (head)->cqh_last = (elm2);				\
    else								\
        (elm2)->field.cqe_next->field.cqe_prev = (elm2);	\
    if (((elm2)->field.cqe_prev = (elm)->field.cqe_prev) ==		\
        CIRCLEQ_END(head))						\
        (head)->cqh_first = (elm2);				\
    else								\
        (elm2)->field.cqe_prev->field.cqe_next = (elm2);	\
    _Q_INVALIDATE((elm)->field.cqe_prev);				\
    _Q_INVALIDATE((elm)->field.cqe_next);				\
} while (0)


/**** amalgamated original file "/deps/pcg_basic.h" ****/

/*
 * PCG Random Number Generation for C.
 *
 * Copyright 2014 Melissa O'Neill <oneill@pcg-random.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For additional information about the PCG random number generation scheme,
 * including its license and other licensing options, visit
 *
 *     http://www.pcg-random.org
 */



#ifdef __cplusplus
extern "C" {
#endif

typedef struct pcg_state_setseq_64 {
    uint64_t state;  /* RNG state.  All values are possible. */
    uint64_t inc;    /* Controls which RNG sequence (stream) is selected. Must
                      * *always* be odd. */
} pcg32_random_t;

#define PCG32_INITIALIZER { 0x853c49e6748fea9bULL, 0xda3e39cb94b95bdbULL }

void pcg32_srandom_r(pcg32_random_t* rng, uint64_t initial_state, uint64_t initseq);
uint32_t pcg32_random_r(pcg32_random_t* rng);

#ifdef __cplusplus
}
#endif


/**** amalgamated original file "/deps/libc_time.h" ****/


struct mytm {
    int tm_sec;
    int tm_min;
    int tm_hour;
    int tm_mday;
    int tm_mon;
    int tm_year;
};

int __secs_to_tm(long long t, struct mytm *tm);
long long __tm_to_secs(const struct mytm *tm);


/**** amalgamated original file "/deps/base64.h" ****/

#ifndef UA_BASE64_H_
#define UA_BASE64_H_


_UA_BEGIN_DECLS

#include <stddef.h>

/**
 * base64_encode - Base64 encode
 * @src: Data to be encoded
 * @len: Length of the data to be encoded
 * @out_len: Pointer to output length variable
 * Returns: Allocated buffer of out_len bytes of encoded data,
 * or %NULL on failure. The output is NOT Null-terminated. */
unsigned char *
UA_base64(const unsigned char *src, size_t len, size_t *out_len);

/**
 * base64_decode - Base64 decode
 * @src: Data to be decoded
 * @len: Length of the data to be decoded
 * @out_len: Pointer to output length variable
 * Returns: Allocated buffer of out_len bytes of decoded data,
 * or %NULL on failure. */
unsigned char *
UA_unbase64(const unsigned char *src, size_t len, size_t *out_len);

_UA_END_DECLS

#endif /* UA_BASE64_H_ */

/**** amalgamated original file "/src/ua_types_encoding_binary.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015 (c) Sten Grüner
 *    Copyright 2014, 2017 (c) Florian Palm
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 */



_UA_BEGIN_DECLS

typedef UA_StatusCode (*UA_exchangeEncodeBuffer)(void *handle, UA_Byte **bufPos,
                                                 const UA_Byte **bufEnd);

/* Encodes the scalar value described by type in the binary encoding. Encoding
 * is thread-safe if thread-local variables are enabled. Encoding is also
 * reentrant and can be safely called from signal handlers or interrupts.
 *
 * @param src The value. Must not be NULL.
 * @param type The value type. Must not be NULL.
 * @param bufPos Points to a pointer to the current position in the encoding
 *        buffer. Must not be NULL. The pointer is advanced by the number of
 *        encoded bytes, or, if the buffer is exchanged, to the position in the
 *        new buffer.
 * @param bufEnd Points to a pointer to the end of the encoding buffer (encoding
 *        always stops before *buf_end). Must not be NULL. The pointer is
 *        changed when the buffer is exchanged.
 * @param exchangeCallback Called when the end of the buffer is reached. This is
          used to send out a message chunk before continuing with the encoding.
          Is ignored if NULL.
 * @param exchangeHandle Custom data passed into the exchangeCallback.
 * @return Returns a statuscode whether encoding succeeded. */
UA_StatusCode 
UA_encodeBinaryInternal(const void *src, const UA_DataType *type,
                        UA_Byte **bufPos, const UA_Byte **bufEnd,
                        UA_exchangeEncodeBuffer exchangeCallback,
                        void *exchangeHandle)
    UA_FUNC_ATTR_WARN_UNUSED_RESULT;

/* Decodes a scalar value described by type from binary encoding. Decoding
 * is thread-safe if thread-local variables are enabled. Decoding is also
 * reentrant and can be safely called from signal handlers or interrupts.
 *
 * @param src The buffer with the binary encoded value. Must not be NULL.
 * @param offset The current position in the buffer. Must not be NULL. The value
 *        is advanced as decoding progresses.
 * @param dst The target value. Must not be NULL. The target is assumed to have
 *        size type->memSize. The value is reset to zero before decoding. If
 *        decoding fails, members are deleted and the value is reset (zeroed)
 *        again.
 * @param type The value type. Must not be NULL.
 * @param customTypesSize The number of non-standard datatypes contained in the
 *        customTypes array.
 * @param customTypes An array of non-standard datatypes (not included in
 *        UA_TYPES). Can be NULL if customTypesSize is zero.
 * @return Returns a statuscode whether decoding succeeded. */
UA_StatusCode
UA_decodeBinaryInternal(const UA_ByteString *src, size_t *offset,
                        void *dst, const UA_DataType *type,
                        const UA_DataTypeArray *customTypes)
    UA_FUNC_ATTR_WARN_UNUSED_RESULT;

const UA_DataType *
UA_findDataTypeByBinary(const UA_NodeId *typeId);

_UA_END_DECLS


/**** amalgamated original file "/src/ua_util_internal.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2017 (c) Florian Palm
 *    Copyright 2015 (c) LEvertz
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2021 (c) Fraunhofer IOSB (Author: Jan Hermes)
 */


#define UA_INTERNAL


_UA_BEGIN_DECLS

/* Macro-Expand for MSVC workarounds */
#define UA_MACRO_EXPAND(x) x

/* Print a NodeId in logs */
#define UA_LOG_NODEID_INTERNAL(NODEID, LOG)          \
    do {                                             \
    UA_String nodeIdStr = UA_STRING_NULL;            \
    UA_NodeId_print(NODEID, &nodeIdStr);             \
    LOG;                                             \
    UA_String_clear(&nodeIdStr);                     \
    } while(0)

#if UA_LOGLEVEL <= 100
# define UA_LOG_NODEID_TRACE(NODEID, LOG)       \
    UA_LOG_NODEID_INTERNAL(NODEID, LOG)
#else
# define UA_LOG_NODEID_TRACE(NODEID, LOG)
#endif

#if UA_LOGLEVEL <= 200
# define UA_LOG_NODEID_DEBUG(NODEID, LOG)       \
    UA_LOG_NODEID_INTERNAL(NODEID, LOG)
#else
# define UA_LOG_NODEID_DEBUG(NODEID, LOG)
#endif

#if UA_LOGLEVEL <= 300
# define UA_LOG_NODEID_INFO(NODEID, LOG)       \
    UA_LOG_NODEID_INTERNAL(NODEID, LOG)
#else
# define UA_LOG_NODEID_INFO(NODEID, LOG)
#endif

#if UA_LOGLEVEL <= 400
# define UA_LOG_NODEID_WARNING(NODEID, LOG)     \
    UA_LOG_NODEID_INTERNAL(NODEID, LOG)
#else
# define UA_LOG_NODEID_WARNING(NODEID, LOG)
#endif

#if UA_LOGLEVEL <= 500
# define UA_LOG_NODEID_ERROR(NODEID, LOG)       \
    UA_LOG_NODEID_INTERNAL(NODEID, LOG)
#else
# define UA_LOG_NODEID_ERROR(NODEID, LOG)
#endif

#if UA_LOGLEVEL <= 600
# define UA_LOG_NODEID_FATAL(NODEID, LOG)       \
    UA_LOG_NODEID_INTERNAL(NODEID, LOG)
#else
# define UA_LOG_NODEID_FATAL(NODEID, LOG)
#endif

/* Short names for integer. These are not exposed on the public API, since many
 * user-applications make the same definitions in their headers. */
typedef UA_Byte u8;
typedef UA_SByte i8;
typedef UA_UInt16 u16;
typedef UA_Int16 i16;
typedef UA_UInt32 u32;
typedef UA_Int32 i32;
typedef UA_UInt64 u64;
typedef UA_Int64 i64;
typedef UA_StatusCode status;

/**
 * Error checking macros
 */

static UA_INLINE UA_Boolean
isGood(UA_StatusCode code) {
    return code == UA_STATUSCODE_GOOD;
}

static UA_INLINE UA_Boolean
isNonNull(const void *ptr) {
    return ptr != NULL;
}

static UA_INLINE UA_Boolean
isTrue(uint8_t expr) {
    return expr;
}

#define UA_CHECK(A, EVAL_ON_ERROR)                                                       \
    do {                                                                                 \
        if(UA_UNLIKELY(!isTrue(A))) {                                                    \
            EVAL_ON_ERROR;                                                               \
        }                                                                                \
    } while(0)

#define UA_CHECK_STATUS(STATUSCODE, EVAL_ON_ERROR)                                       \
    UA_CHECK(isGood(STATUSCODE), EVAL_ON_ERROR)

#define UA_CHECK_MEM(STATUSCODE, EVAL_ON_ERROR)                                       \
    UA_CHECK(isNonNull(STATUSCODE), EVAL_ON_ERROR)

#ifdef UA_DEBUG_FILE_LINE_INFO
#define UA_CHECK_LOG_INTERNAL(A, STATUSCODE, EVAL, LOG, LOGGER, CAT, MSG, ...)           \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK(A, LOG(LOGGER, CAT, "" MSG "%s (%s:%d: statuscode: %s)", __VA_ARGS__,   \
                        __FILE__, __LINE__, UA_StatusCode_name(STATUSCODE));             \
                 EVAL))
#else
#define UA_CHECK_LOG_INTERNAL(A, STATUSCODE, EVAL, LOG, LOGGER, CAT, MSG, ...)           \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK(A, LOG(LOGGER, CAT, "" MSG "%s (statuscode: %s)", __VA_ARGS__,   \
                        UA_StatusCode_name(STATUSCODE));             \
                 EVAL))
#endif

#define UA_CHECK_LOG(A, EVAL, LEVEL, LOGGER, CAT, ...)                                   \
    UA_MACRO_EXPAND(UA_CHECK_LOG_INTERNAL(A, UA_STATUSCODE_BAD, EVAL, UA_LOG_##LEVEL,    \
                                          LOGGER, CAT, __VA_ARGS__, ""))

#define UA_CHECK_STATUS_LOG(STATUSCODE, EVAL, LEVEL, LOGGER, CAT, ...)                   \
    UA_MACRO_EXPAND(UA_CHECK_LOG_INTERNAL(isGood(STATUSCODE), STATUSCODE,  \
                                          EVAL, UA_LOG_##LEVEL, LOGGER, CAT,             \
                                          __VA_ARGS__, ""))

#define UA_CHECK_MEM_LOG(PTR, EVAL, LEVEL, LOGGER, CAT, ...)                   \
    UA_MACRO_EXPAND(UA_CHECK_LOG_INTERNAL(isNonNull(PTR), UA_STATUSCODE_BADOUTOFMEMORY,  \
                                          EVAL, UA_LOG_##LEVEL, LOGGER, CAT,             \
                                          __VA_ARGS__, ""))

/**
 * Check Macros
 * Usage examples:
 *
 *    void *data = malloc(...);
 *    UA_CHECK(data, return error);
 *
 *    UA_StatusCode rv = some_func(...);
 *    UA_CHECK_STATUS(rv, return rv);
 *
 *    UA_Logger *logger = &server->config.logger;
 *    rv = bar_func(...);
 *    UA_CHECK_STATUS_WARN(rv, return rv, logger, UA_LOGCATEGORY_SERVER, "msg & args %s", "arg");
 */
#define UA_CHECK_FATAL(A, EVAL, LOGGER, CAT, ...)                                        \
    UA_MACRO_EXPAND(UA_CHECK_LOG(A, EVAL, FATAL, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_ERROR(A, EVAL, LOGGER, CAT, ...)                                        \
    UA_MACRO_EXPAND(UA_CHECK_LOG(A, EVAL, ERROR, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_WARN(A, EVAL, LOGGER, CAT, ...)                                         \
    UA_MACRO_EXPAND(UA_CHECK_LOG(A, EVAL, WARNING, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_INFO(A, EVAL, LOGGER, CAT, ...)                                         \
    UA_MACRO_EXPAND(UA_CHECK_LOG(A, EVAL, INFO, LOGGER, CAT, __VA_ARGS__))

#define UA_CHECK_STATUS_FATAL(STATUSCODE, EVAL, LOGGER, CAT, ...)                        \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_STATUS_LOG(STATUSCODE, EVAL, FATAL, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_STATUS_ERROR(STATUSCODE, EVAL, LOGGER, CAT, ...)                        \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_STATUS_LOG(STATUSCODE, EVAL, ERROR, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_STATUS_WARN(STATUSCODE, EVAL, LOGGER, CAT, ...)                         \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_STATUS_LOG(STATUSCODE, EVAL, WARNING, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_STATUS_INFO(STATUSCODE, EVAL, LOGGER, CAT, ...)                         \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_STATUS_LOG(STATUSCODE, EVAL, INFO, LOGGER, CAT, __VA_ARGS__))

#define UA_CHECK_MEM_FATAL(PTR, EVAL, LOGGER, CAT, ...)                        \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_MEM_LOG(PTR, EVAL, FATAL, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_MEM_ERROR(PTR, EVAL, LOGGER, CAT, ...)                        \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_MEM_LOG(PTR, EVAL, ERROR, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_MEM_WARN(PTR, EVAL, LOGGER, CAT, ...)                         \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_MEM_LOG(PTR, EVAL, WARNING, LOGGER, CAT, __VA_ARGS__))
#define UA_CHECK_MEM_INFO(PTR, EVAL, LOGGER, CAT, ...)                         \
    UA_MACRO_EXPAND(                                                                     \
        UA_CHECK_MEM_LOG(PTR, EVAL, INFO, LOGGER, CAT, __VA_ARGS__))

/**
 * Utility Functions
 * ----------------- */

const UA_DataType *
UA_findDataTypeWithCustom(const UA_NodeId *typeId,
                          const UA_DataTypeArray *customTypes);

/* Get the number of optional fields contained in an structure type */
size_t UA_EXPORT
getCountOfOptionalFields(const UA_DataType *type);

/* Dump packet for debugging / fuzzing */
#ifdef UA_DEBUG_DUMP_PKGS
void UA_EXPORT
UA_dump_hex_pkg(UA_Byte* buffer, size_t bufferLen);
#endif

/* Unions that represent any of the supported request or response message */
typedef union {
    UA_RequestHeader requestHeader;
    UA_FindServersRequest findServersRequest;
    UA_GetEndpointsRequest getEndpointsRequest;
#ifdef UA_ENABLE_DISCOVERY
# ifdef UA_ENABLE_DISCOVERY_MULTICAST
    UA_FindServersOnNetworkRequest findServersOnNetworkRequest;
# endif
    UA_RegisterServerRequest registerServerRequest;
    UA_RegisterServer2Request registerServer2Request;
#endif
    UA_OpenSecureChannelRequest openSecureChannelRequest;
    UA_CreateSessionRequest createSessionRequest;
    UA_ActivateSessionRequest activateSessionRequest;
    UA_CloseSessionRequest closeSessionRequest;
    UA_AddNodesRequest addNodesRequest;
    UA_AddReferencesRequest addReferencesRequest;
    UA_DeleteNodesRequest deleteNodesRequest;
    UA_DeleteReferencesRequest deleteReferencesRequest;
    UA_BrowseRequest browseRequest;
    UA_BrowseNextRequest browseNextRequest;
    UA_TranslateBrowsePathsToNodeIdsRequest translateBrowsePathsToNodeIdsRequest;
    UA_RegisterNodesRequest registerNodesRequest;
    UA_UnregisterNodesRequest unregisterNodesRequest;
    UA_ReadRequest readRequest;
    UA_WriteRequest writeRequest;
#ifdef UA_ENABLE_HISTORIZING
    UA_HistoryReadRequest historyReadRequest;
    UA_HistoryUpdateRequest historyUpdateRequest;
#endif
#ifdef UA_ENABLE_METHODCALLS
    UA_CallRequest callRequest;
#endif
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_CreateMonitoredItemsRequest createMonitoredItemsRequest;
    UA_DeleteMonitoredItemsRequest deleteMonitoredItemsRequest;
    UA_ModifyMonitoredItemsRequest modifyMonitoredItemsRequest;
    UA_SetMonitoringModeRequest setMonitoringModeRequest;
    UA_CreateSubscriptionRequest createSubscriptionRequest;
    UA_ModifySubscriptionRequest modifySubscriptionRequest;
    UA_SetPublishingModeRequest setPublishingModeRequest;
    UA_PublishRequest publishRequest;
    UA_RepublishRequest republishRequest;
    UA_DeleteSubscriptionsRequest deleteSubscriptionsRequest;
#endif
} UA_Request;

typedef union {
    UA_ResponseHeader responseHeader;
    UA_FindServersResponse findServersResponse;
    UA_GetEndpointsResponse getEndpointsResponse;
#ifdef UA_ENABLE_DISCOVERY
# ifdef UA_ENABLE_DISCOVERY_MULTICAST
    UA_FindServersOnNetworkResponse findServersOnNetworkResponse;
# endif
    UA_RegisterServerResponse registerServerResponse;
    UA_RegisterServer2Response registerServer2Response;
#endif
    UA_OpenSecureChannelResponse openSecureChannelResponse;
    UA_CreateSessionResponse createSessionResponse;
    UA_ActivateSessionResponse activateSessionResponse;
    UA_CloseSessionResponse closeSessionResponse;
    UA_AddNodesResponse addNodesResponse;
    UA_AddReferencesResponse addReferencesResponse;
    UA_DeleteNodesResponse deleteNodesResponse;
    UA_DeleteReferencesResponse deleteReferencesResponse;
    UA_BrowseResponse browseResponse;
    UA_BrowseNextResponse browseNextResponse;
    UA_TranslateBrowsePathsToNodeIdsResponse translateBrowsePathsToNodeIdsResponse;
    UA_RegisterNodesResponse registerNodesResponse;
    UA_UnregisterNodesResponse unregisterNodesResponse;
    UA_ReadResponse readResponse;
    UA_WriteResponse writeResponse;
#ifdef UA_ENABLE_HISTORIZING
    UA_HistoryReadResponse historyReadResponse;
    UA_HistoryUpdateResponse historyUpdateResponse;
#endif
#ifdef UA_ENABLE_METHODCALLS
    UA_CallResponse callResponse;
#endif
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_CreateMonitoredItemsResponse createMonitoredItemsResponse;
    UA_DeleteMonitoredItemsResponse deleteMonitoredItemsResponse;
    UA_ModifyMonitoredItemsResponse modifyMonitoredItemsResponse;
    UA_SetMonitoringModeResponse setMonitoringModeResponse;
    UA_CreateSubscriptionResponse createSubscriptionResponse;
    UA_ModifySubscriptionResponse modifySubscriptionResponse;
    UA_SetPublishingModeResponse setPublishingModeResponse;
    UA_PublishResponse publishResponse;
    UA_RepublishResponse republishResponse;
    UA_DeleteSubscriptionsResponse deleteSubscriptionsResponse;
#endif
} UA_Response;

/* Do not expose UA_String_equal_ignorecase to public API as it currently only handles
 * ASCII strings, and not UTF8! */
UA_Boolean UA_EXPORT
UA_String_equal_ignorecase(const UA_String *s1, const UA_String *s2);

/********************/
/* Encoding Helpers */
/********************/

#define UA_ENCODING_HELPERS(TYPE, UPCASE_TYPE)                          \
    static UA_INLINE size_t                                             \
    UA_##TYPE##_calcSizeBinary(const UA_##TYPE *src) {                    \
        return UA_calcSizeBinary(src, &UA_TYPES[UA_TYPES_##UPCASE_TYPE]); \
    }                                                                   \
    static UA_INLINE UA_StatusCode                                      \
    UA_##TYPE##_encodeBinary(const UA_##TYPE *src, UA_Byte **bufPos, const UA_Byte *bufEnd) { \
        return UA_encodeBinaryInternal(src, &UA_TYPES[UA_TYPES_##UPCASE_TYPE], \
                                       bufPos, &bufEnd, NULL, NULL);    \
    }                                                                   \
    static UA_INLINE UA_StatusCode                                      \
    UA_##TYPE##_decodeBinary(const UA_ByteString *src, size_t *offset, UA_##TYPE *dst) { \
    return UA_decodeBinaryInternal(src, offset, dst, \
                                   &UA_TYPES[UA_TYPES_##UPCASE_TYPE], NULL); \
    }

UA_ENCODING_HELPERS(Boolean, BOOLEAN)
UA_ENCODING_HELPERS(SByte, SBYTE)
UA_ENCODING_HELPERS(Byte, BYTE)
UA_ENCODING_HELPERS(Int16, INT16)
UA_ENCODING_HELPERS(UInt16, UINT16)
UA_ENCODING_HELPERS(Int32, INT32)
UA_ENCODING_HELPERS(UInt32, UINT32)
UA_ENCODING_HELPERS(Int64, INT64)
UA_ENCODING_HELPERS(UInt64, UINT64)
UA_ENCODING_HELPERS(Float, FLOAT)
UA_ENCODING_HELPERS(Double, DOUBLE)
UA_ENCODING_HELPERS(String, STRING)
UA_ENCODING_HELPERS(DateTime, DATETIME)
UA_ENCODING_HELPERS(Guid, GUID)
UA_ENCODING_HELPERS(ByteString, BYTESTRING)
UA_ENCODING_HELPERS(XmlElement, XMLELEMENT)
UA_ENCODING_HELPERS(NodeId, NODEID)
UA_ENCODING_HELPERS(ExpandedNodeId, EXPANDEDNODEID)
UA_ENCODING_HELPERS(StatusCode, STATUSCODE)
UA_ENCODING_HELPERS(QualifiedName, QUALIFIEDNAME)
UA_ENCODING_HELPERS(LocalizedText, LOCALIZEDTEXT)
UA_ENCODING_HELPERS(ExtensionObject, EXTENSIONOBJECT)
UA_ENCODING_HELPERS(DataValue, DATAVALUE)
UA_ENCODING_HELPERS(Variant, VARIANT)
UA_ENCODING_HELPERS(DiagnosticInfo, DIAGNOSTICINFO)

_UA_END_DECLS


/**** amalgamated original file "/build/src_generated/open62541/transport_generated.h" ****/

/**********************************
 * Autogenerated -- do not modify *
 **********************************/


#ifdef UA_ENABLE_AMALGAMATION
#else

#endif



_UA_BEGIN_DECLS


/**
 * Every type is assigned an index in an array containing the type descriptions.
 * These descriptions are used during type handling (copying, deletion,
 * binary encoding, ...). */
#define UA_TRANSPORT_COUNT 8
extern UA_EXPORT const UA_DataType UA_TRANSPORT[UA_TRANSPORT_COUNT];

/**
 * MessageType
 * ^^^^^^^^^^^
 * Message Type and whether the message contains an intermediate chunk */
typedef enum {
    UA_MESSAGETYPE_ACK = 0x4B4341,
    UA_MESSAGETYPE_HEL = 0x4C4548,
    UA_MESSAGETYPE_MSG = 0x47534D,
    UA_MESSAGETYPE_OPN = 0x4E504F,
    UA_MESSAGETYPE_CLO = 0x4F4C43,
    UA_MESSAGETYPE_ERR = 0x525245,
    UA_MESSAGETYPE_INVALID = 0x0,
    __UA_MESSAGETYPE_FORCE32BIT = 0x7fffffff
} UA_MessageType;
UA_STATIC_ASSERT(sizeof(UA_MessageType) == sizeof(UA_Int32), enum_must_be_32bit);

#define UA_TRANSPORT_MESSAGETYPE 0

/**
 * ChunkType
 * ^^^^^^^^^
 * Type of the chunk */
typedef enum {
    UA_CHUNKTYPE_FINAL = 0x46000000,
    UA_CHUNKTYPE_INTERMEDIATE = 0x43000000,
    UA_CHUNKTYPE_ABORT = 0x41000000,
    __UA_CHUNKTYPE_FORCE32BIT = 0x7fffffff
} UA_ChunkType;
UA_STATIC_ASSERT(sizeof(UA_ChunkType) == sizeof(UA_Int32), enum_must_be_32bit);

#define UA_TRANSPORT_CHUNKTYPE 1

/**
 * TcpMessageHeader
 * ^^^^^^^^^^^^^^^^
 * TCP Header */
typedef struct {
    UA_UInt32 messageTypeAndChunkType;
    UA_UInt32 messageSize;
} UA_TcpMessageHeader;

#define UA_TRANSPORT_TCPMESSAGEHEADER 2

/**
 * TcpHelloMessage
 * ^^^^^^^^^^^^^^^
 * Hello Message */
typedef struct {
    UA_UInt32 protocolVersion;
    UA_UInt32 receiveBufferSize;
    UA_UInt32 sendBufferSize;
    UA_UInt32 maxMessageSize;
    UA_UInt32 maxChunkCount;
    UA_String endpointUrl;
} UA_TcpHelloMessage;

#define UA_TRANSPORT_TCPHELLOMESSAGE 3

/**
 * TcpAcknowledgeMessage
 * ^^^^^^^^^^^^^^^^^^^^^
 * Acknowledge Message */
typedef struct {
    UA_UInt32 protocolVersion;
    UA_UInt32 receiveBufferSize;
    UA_UInt32 sendBufferSize;
    UA_UInt32 maxMessageSize;
    UA_UInt32 maxChunkCount;
} UA_TcpAcknowledgeMessage;

#define UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE 4

/**
 * TcpErrorMessage
 * ^^^^^^^^^^^^^^^
 * Error Message */
typedef struct {
    UA_UInt32 error;
    UA_String reason;
} UA_TcpErrorMessage;

#define UA_TRANSPORT_TCPERRORMESSAGE 5

/**
 * AsymmetricAlgorithmSecurityHeader
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Asymmetric Security Header */
typedef struct {
    UA_ByteString securityPolicyUri;
    UA_ByteString senderCertificate;
    UA_ByteString receiverCertificateThumbprint;
} UA_AsymmetricAlgorithmSecurityHeader;

#define UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER 6

/**
 * SequenceHeader
 * ^^^^^^^^^^^^^^
 * Secure Layer Sequence Header */
typedef struct {
    UA_UInt32 sequenceNumber;
    UA_UInt32 requestId;
} UA_SequenceHeader;

#define UA_TRANSPORT_SEQUENCEHEADER 7


_UA_END_DECLS


/**** amalgamated original file "/build/src_generated/open62541/transport_generated_handling.h" ****/

/**********************************
 * Autogenerated -- do not modify *
 **********************************/



_UA_BEGIN_DECLS

#if defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 6
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wmissing-field-initializers"
# pragma GCC diagnostic ignored "-Wmissing-braces"
#endif


/* MessageType */
static UA_INLINE void
UA_MessageType_init(UA_MessageType *p) {
    memset(p, 0, sizeof(UA_MessageType));
}

static UA_INLINE UA_MessageType *
UA_MessageType_new(void) {
    return (UA_MessageType*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_MESSAGETYPE]);
}

static UA_INLINE UA_StatusCode
UA_MessageType_copy(const UA_MessageType *src, UA_MessageType *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_MESSAGETYPE]);
}

UA_DEPRECATED static UA_INLINE void
UA_MessageType_deleteMembers(UA_MessageType *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_MESSAGETYPE]);
}

static UA_INLINE void
UA_MessageType_clear(UA_MessageType *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_MESSAGETYPE]);
}

static UA_INLINE void
UA_MessageType_delete(UA_MessageType *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_MESSAGETYPE]);
}

/* ChunkType */
static UA_INLINE void
UA_ChunkType_init(UA_ChunkType *p) {
    memset(p, 0, sizeof(UA_ChunkType));
}

static UA_INLINE UA_ChunkType *
UA_ChunkType_new(void) {
    return (UA_ChunkType*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_CHUNKTYPE]);
}

static UA_INLINE UA_StatusCode
UA_ChunkType_copy(const UA_ChunkType *src, UA_ChunkType *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_CHUNKTYPE]);
}

UA_DEPRECATED static UA_INLINE void
UA_ChunkType_deleteMembers(UA_ChunkType *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_CHUNKTYPE]);
}

static UA_INLINE void
UA_ChunkType_clear(UA_ChunkType *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_CHUNKTYPE]);
}

static UA_INLINE void
UA_ChunkType_delete(UA_ChunkType *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_CHUNKTYPE]);
}

/* TcpMessageHeader */
static UA_INLINE void
UA_TcpMessageHeader_init(UA_TcpMessageHeader *p) {
    memset(p, 0, sizeof(UA_TcpMessageHeader));
}

static UA_INLINE UA_TcpMessageHeader *
UA_TcpMessageHeader_new(void) {
    return (UA_TcpMessageHeader*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER]);
}

static UA_INLINE UA_StatusCode
UA_TcpMessageHeader_copy(const UA_TcpMessageHeader *src, UA_TcpMessageHeader *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER]);
}

UA_DEPRECATED static UA_INLINE void
UA_TcpMessageHeader_deleteMembers(UA_TcpMessageHeader *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER]);
}

static UA_INLINE void
UA_TcpMessageHeader_clear(UA_TcpMessageHeader *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER]);
}

static UA_INLINE void
UA_TcpMessageHeader_delete(UA_TcpMessageHeader *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER]);
}

/* TcpHelloMessage */
static UA_INLINE void
UA_TcpHelloMessage_init(UA_TcpHelloMessage *p) {
    memset(p, 0, sizeof(UA_TcpHelloMessage));
}

static UA_INLINE UA_TcpHelloMessage *
UA_TcpHelloMessage_new(void) {
    return (UA_TcpHelloMessage*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_TCPHELLOMESSAGE]);
}

static UA_INLINE UA_StatusCode
UA_TcpHelloMessage_copy(const UA_TcpHelloMessage *src, UA_TcpHelloMessage *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_TCPHELLOMESSAGE]);
}

UA_DEPRECATED static UA_INLINE void
UA_TcpHelloMessage_deleteMembers(UA_TcpHelloMessage *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPHELLOMESSAGE]);
}

static UA_INLINE void
UA_TcpHelloMessage_clear(UA_TcpHelloMessage *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPHELLOMESSAGE]);
}

static UA_INLINE void
UA_TcpHelloMessage_delete(UA_TcpHelloMessage *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_TCPHELLOMESSAGE]);
}

/* TcpAcknowledgeMessage */
static UA_INLINE void
UA_TcpAcknowledgeMessage_init(UA_TcpAcknowledgeMessage *p) {
    memset(p, 0, sizeof(UA_TcpAcknowledgeMessage));
}

static UA_INLINE UA_TcpAcknowledgeMessage *
UA_TcpAcknowledgeMessage_new(void) {
    return (UA_TcpAcknowledgeMessage*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE]);
}

static UA_INLINE UA_StatusCode
UA_TcpAcknowledgeMessage_copy(const UA_TcpAcknowledgeMessage *src, UA_TcpAcknowledgeMessage *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE]);
}

UA_DEPRECATED static UA_INLINE void
UA_TcpAcknowledgeMessage_deleteMembers(UA_TcpAcknowledgeMessage *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE]);
}

static UA_INLINE void
UA_TcpAcknowledgeMessage_clear(UA_TcpAcknowledgeMessage *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE]);
}

static UA_INLINE void
UA_TcpAcknowledgeMessage_delete(UA_TcpAcknowledgeMessage *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE]);
}

/* TcpErrorMessage */
static UA_INLINE void
UA_TcpErrorMessage_init(UA_TcpErrorMessage *p) {
    memset(p, 0, sizeof(UA_TcpErrorMessage));
}

static UA_INLINE UA_TcpErrorMessage *
UA_TcpErrorMessage_new(void) {
    return (UA_TcpErrorMessage*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_TCPERRORMESSAGE]);
}

static UA_INLINE UA_StatusCode
UA_TcpErrorMessage_copy(const UA_TcpErrorMessage *src, UA_TcpErrorMessage *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_TCPERRORMESSAGE]);
}

UA_DEPRECATED static UA_INLINE void
UA_TcpErrorMessage_deleteMembers(UA_TcpErrorMessage *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPERRORMESSAGE]);
}

static UA_INLINE void
UA_TcpErrorMessage_clear(UA_TcpErrorMessage *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_TCPERRORMESSAGE]);
}

static UA_INLINE void
UA_TcpErrorMessage_delete(UA_TcpErrorMessage *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_TCPERRORMESSAGE]);
}

/* AsymmetricAlgorithmSecurityHeader */
static UA_INLINE void
UA_AsymmetricAlgorithmSecurityHeader_init(UA_AsymmetricAlgorithmSecurityHeader *p) {
    memset(p, 0, sizeof(UA_AsymmetricAlgorithmSecurityHeader));
}

static UA_INLINE UA_AsymmetricAlgorithmSecurityHeader *
UA_AsymmetricAlgorithmSecurityHeader_new(void) {
    return (UA_AsymmetricAlgorithmSecurityHeader*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER]);
}

static UA_INLINE UA_StatusCode
UA_AsymmetricAlgorithmSecurityHeader_copy(const UA_AsymmetricAlgorithmSecurityHeader *src, UA_AsymmetricAlgorithmSecurityHeader *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER]);
}

UA_DEPRECATED static UA_INLINE void
UA_AsymmetricAlgorithmSecurityHeader_deleteMembers(UA_AsymmetricAlgorithmSecurityHeader *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER]);
}

static UA_INLINE void
UA_AsymmetricAlgorithmSecurityHeader_clear(UA_AsymmetricAlgorithmSecurityHeader *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER]);
}

static UA_INLINE void
UA_AsymmetricAlgorithmSecurityHeader_delete(UA_AsymmetricAlgorithmSecurityHeader *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER]);
}

/* SequenceHeader */
static UA_INLINE void
UA_SequenceHeader_init(UA_SequenceHeader *p) {
    memset(p, 0, sizeof(UA_SequenceHeader));
}

static UA_INLINE UA_SequenceHeader *
UA_SequenceHeader_new(void) {
    return (UA_SequenceHeader*)UA_new(&UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER]);
}

static UA_INLINE UA_StatusCode
UA_SequenceHeader_copy(const UA_SequenceHeader *src, UA_SequenceHeader *dst) {
    return UA_copy(src, dst, &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER]);
}

UA_DEPRECATED static UA_INLINE void
UA_SequenceHeader_deleteMembers(UA_SequenceHeader *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER]);
}

static UA_INLINE void
UA_SequenceHeader_clear(UA_SequenceHeader *p) {
    UA_clear(p, &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER]);
}

static UA_INLINE void
UA_SequenceHeader_delete(UA_SequenceHeader *p) {
    UA_delete(p, &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER]);
}

#if defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 6
# pragma GCC diagnostic pop
#endif

_UA_END_DECLS


/**** amalgamated original file "/src/ua_connection_internal.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2016-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Florian Palm
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 */



_UA_BEGIN_DECLS

/* When a fatal error occurs the Server shall send an Error Message to the
 * Client and close the socket. When a Client encounters one of these errors, it
 * shall also close the socket but does not send an Error Message. After the
 * socket is closed a Client shall try to reconnect automatically using the
 * mechanisms described in [...]. */
void
UA_Connection_sendError(UA_Connection *connection,
                        UA_TcpErrorMessage *error);

void UA_Connection_detachSecureChannel(UA_Connection *connection);
void UA_Connection_attachSecureChannel(UA_Connection *connection,
                                       UA_SecureChannel *channel);

_UA_END_DECLS


/**** amalgamated original file "/src/ua_securechannel.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Florian Palm
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 */




_UA_BEGIN_DECLS

/* The message header of the OPC UA binary protocol is structured as follows:
 *
 * - MessageType (3 Byte)
 * - IsFinal (1 Byte)
 * - MessageSize (4 Byte)
 * *** UA_SECURECHANNEL_MESSAGEHEADER_LENGTH ***
 * - SecureChannelId (4 Byte)
 * *** UA_SECURECHANNEL_CHANNELHEADER_LENGTH ***
 * - SecurityHeader (4 Byte TokenId for symmetric, otherwise dynamic length)
 * - SequenceHeader (8 Byte)
 *   - SequenceNumber
 *   - RequestId
 */

#define UA_SECURECHANNEL_MESSAGEHEADER_LENGTH 8
#define UA_SECURECHANNEL_CHANNELHEADER_LENGTH 12
#define UA_SECURECHANNEL_SYMMETRIC_SECURITYHEADER_LENGTH 4
#define UA_SECURECHANNEL_SEQUENCEHEADER_LENGTH 8
#define UA_SECURECHANNEL_SYMMETRIC_HEADER_UNENCRYPTEDLENGTH \
    (UA_SECURECHANNEL_CHANNELHEADER_LENGTH +                \
     UA_SECURECHANNEL_SYMMETRIC_SECURITYHEADER_LENGTH)
#define UA_SECURECHANNEL_SYMMETRIC_HEADER_TOTALLENGTH   \
    (UA_SECURECHANNEL_CHANNELHEADER_LENGTH +            \
    UA_SECURECHANNEL_SYMMETRIC_SECURITYHEADER_LENGTH +  \
     UA_SECURECHANNEL_SEQUENCEHEADER_LENGTH)

/* Minimum length of a valid message (ERR message with an empty reason) */
#define UA_SECURECHANNEL_MESSAGE_MIN_LENGTH 16

/* Thread-local variables to force failure modes during testing */
#ifdef UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
extern UA_StatusCode decrypt_verifySignatureFailure;
extern UA_StatusCode sendAsym_sendFailure;
extern UA_StatusCode processSym_seqNumberFailure;
#endif

/* The Session implementation differs between client and server. Still, it is
 * expected that the Session structure begins with the SessionHeader. This is
 * the interface that will be used by the SecureChannel. The lifecycle of
 * Sessions is independent of the underlying SecureChannel. But every Session
 * can be attached to only one SecureChannel. */
typedef struct UA_SessionHeader {
    SLIST_ENTRY(UA_SessionHeader) next;
    UA_NodeId authenticationToken;
    UA_Boolean serverSession; /* Disambiguate client and server session */
    UA_SecureChannel *channel; /* The pointer back to the SecureChannel in the session. */
} UA_SessionHeader;

/* For chunked requests */
typedef struct UA_Chunk {
    SIMPLEQ_ENTRY(UA_Chunk) pointers;
    UA_ByteString bytes;
    UA_MessageType messageType;
    UA_ChunkType chunkType;
    UA_UInt32 requestId;
    UA_Boolean copied; /* Do the bytes point to a buffer from the network or was
                        * memory allocated for the chunk separately */
} UA_Chunk;

typedef SIMPLEQ_HEAD(UA_ChunkQueue, UA_Chunk) UA_ChunkQueue;

typedef enum {
    UA_SECURECHANNELRENEWSTATE_NORMAL,

    /* Client has sent an OPN, but not received a response so far. */
    UA_SECURECHANNELRENEWSTATE_SENT,

    /* The server waits for the first request with the new token for the rollover.
     * The new token is stored in the altSecurityToken. The configured local and
     * remote symmetric encryption keys are the old ones. */
    UA_SECURECHANNELRENEWSTATE_NEWTOKEN_SERVER,

    /* The client already uses the new token. But he waits for the server to respond
     * with the new token to complete the rollover. The old token is stored in
     * altSecurityToken. The local symmetric encryption key is new. The remote
     * encryption key is the old one. */
    UA_SECURECHANNELRENEWSTATE_NEWTOKEN_CLIENT
} UA_SecureChannelRenewState;

struct UA_SecureChannel {
    UA_SecureChannelState state;
    UA_SecureChannelRenewState renewState;
    UA_MessageSecurityMode securityMode;
    UA_ConnectionConfig config;

    /* Rules for revolving the token with a renew OPN request: The client is
     * allowed to accept messages with the old token until the OPN response has
     * arrived. The server accepts the old token until one message secured with
     * the new token has arrived.
     *
     * We recognize whether nextSecurityToken contains a valid next token if the
     * ChannelId is not 0. */
    UA_ChannelSecurityToken securityToken;    /* Also contains the channelId */
    UA_ChannelSecurityToken altSecurityToken; /* Alternative token for the rollover.
                                               * See the renewState. */

    /* The endpoint and context of the channel */
    const UA_SecurityPolicy *securityPolicy;
    void *channelContext; /* For interaction with the security policy */
    UA_Connection *connection;

    /* Asymmetric encryption info */
    UA_ByteString remoteCertificate;
    UA_Byte remoteCertificateThumbprint[20]; /* The thumbprint of the remote certificate */

    /* Symmetric encryption nonces. These are used to generate the key material
     * and must not be reused once the keys are in place.
     *
     * Nonces are also used during the CreateSession / ActivateSession
     * handshake. These are not handled here, as the Session handling can
     * overlap with a RenewSecureChannel. */
    UA_ByteString remoteNonce;
    UA_ByteString localNonce;

    UA_UInt32 receiveSequenceNumber;
    UA_UInt32 sendSequenceNumber;

    /* Sessions that are bound to the SecureChannel */
    SLIST_HEAD(, UA_SessionHeader) sessions;

    /* If a buffer is received, first all chunks are put into the completeChunks
     * queue. Then they are processed in order. This ensures that processing
     * buffers is reentrant with the correct processing order. (This has lead to
     * problems in the client in the past.) */
    UA_ChunkQueue completeChunks; /* Received full chunks that have not been
                                   * decrypted so far */
    UA_ChunkQueue decryptedChunks; /* Received chunks that were decrypted but
                                    * not processed */
    size_t decryptedChunksCount;
    size_t decryptedChunksLength;
    UA_ByteString incompleteChunk; /* A half-received chunk (TCP is a
                                    * streaming protocol) is stored here */

    UA_CertificateVerification *certificateVerification;
    UA_StatusCode (*processOPNHeader)(void *application, UA_SecureChannel *channel,
                                      const UA_AsymmetricAlgorithmSecurityHeader *asymHeader);
};

void UA_SecureChannel_init(UA_SecureChannel *channel,
                           const UA_ConnectionConfig *config);

void UA_SecureChannel_close(UA_SecureChannel *channel);

/* Process the remote configuration in the HEL/ACK handshake. The connection
 * config is initialized with the local settings. */
UA_StatusCode
UA_SecureChannel_processHELACK(UA_SecureChannel *channel,
                               const UA_TcpAcknowledgeMessage *remoteConfig);

UA_StatusCode
UA_SecureChannel_setSecurityPolicy(UA_SecureChannel *channel,
                                   const UA_SecurityPolicy *securityPolicy,
                                   const UA_ByteString *remoteCertificate);

/* Remove (partially) received unprocessed chunks */
void
UA_SecureChannel_deleteBuffered(UA_SecureChannel *channel);

/* Wrapper function for generating a local nonce for the supplied channel. Uses
 * the random generator of the channels security policy to allocate and generate
 * a nonce with the specified length. */
UA_StatusCode
UA_SecureChannel_generateLocalNonce(UA_SecureChannel *channel);

UA_StatusCode
UA_SecureChannel_generateLocalKeys(const UA_SecureChannel *channel);

UA_StatusCode
generateRemoteKeys(const UA_SecureChannel *channel);

/**
 * Sending Messages
 * ---------------- */

UA_StatusCode
UA_SecureChannel_sendAsymmetricOPNMessage(UA_SecureChannel *channel, UA_UInt32 requestId,
                                          const void *content, const UA_DataType *contentType);

UA_StatusCode
UA_SecureChannel_sendSymmetricMessage(UA_SecureChannel *channel, UA_UInt32 requestId,
                                      UA_MessageType messageType, void *payload,
                                      const UA_DataType *payloadType);

/* The MessageContext is forwarded into the encoding layer so that we can send
 * chunks before continuing to encode. This lets us reuse a fixed chunk-sized
 * messages buffer. */
typedef struct {
    UA_SecureChannel *channel;
    UA_UInt32 requestId;
    UA_UInt32 messageType;

    UA_UInt16 chunksSoFar;
    size_t messageSizeSoFar;

    UA_ByteString messageBuffer;
    UA_Byte *buf_pos;
    const UA_Byte *buf_end;

    UA_Boolean final;
} UA_MessageContext;

/* Start the context of a new symmetric message. */
UA_StatusCode
UA_MessageContext_begin(UA_MessageContext *mc, UA_SecureChannel *channel,
                        UA_UInt32 requestId, UA_MessageType messageType);

/* Encode the content and send out full chunks. If the return code is good, then
 * the ChunkInfo contains encoded content that has not been sent. If the return
 * code is bad, then the ChunkInfo has been cleaned up internally. */
UA_StatusCode
UA_MessageContext_encode(UA_MessageContext *mc, const void *content,
                         const UA_DataType *contentType);

/* Sends a symmetric message already encoded in the context. The context is
 * cleaned up, also in case of errors. */
UA_StatusCode
UA_MessageContext_finish(UA_MessageContext *mc);

/* To be used when a failure occures when a MessageContext is open. Note that
 * the _encode and _finish methods will clean up internally. _abort can be run
 * on a MessageContext that has already been cleaned up before. */
void
UA_MessageContext_abort(UA_MessageContext *mc);

/**
 * Receive Message
 * --------------- */

typedef UA_StatusCode
(UA_ProcessMessageCallback)(void *application, UA_SecureChannel *channel,
                            UA_MessageType messageType, UA_UInt32 requestId,
                            UA_ByteString *message);

/* Process a received buffer. The callback function is called with the message
 * body if the message is complete. The message is removed afterwards. Returns
 * if an irrecoverable error occured.
 *
 * Note that only MSG and CLO messages are decrypted. HEL/ACK/OPN/... are
 * forwarded verbatim to the application. */
UA_StatusCode
UA_SecureChannel_processBuffer(UA_SecureChannel *channel, void *application,
                               UA_ProcessMessageCallback callback,
                               const UA_ByteString *buffer);

/* Try to receive at least one complete chunk on the connection. This blocks the
 * current thread up to the given timeout. It will return once the first buffer
 * has been received (and possibly processed when the message is complete).
 *
 * @param channel The SecureChannel
 * @param application The client or server application
 * @param callback The function pointer for processing complete messages
 * @param timeout The timeout (in milliseconds) the method will block at most.
 * @return Returns UA_STATUSCODE_GOOD or an error code. A timeout does not
 *         create an error. */
UA_StatusCode
UA_SecureChannel_receive(UA_SecureChannel *channel, void *application,
                         UA_ProcessMessageCallback callback, UA_UInt32 timeout);

/* Internal methods in ua_securechannel_crypto.h */

void
hideBytesAsym(const UA_SecureChannel *channel, UA_Byte **buf_start,
              const UA_Byte **buf_end);

/* Decrypt and verify via the signature. The chunk buffer is reused to hold the
 * decrypted data after the MessageHeader and SecurityHeader. The chunk length
 * is reduced by the signature, padding and encryption overhead.
 *
 * The offset argument points to the start of the encrypted content (beginning
 * with the SequenceHeader).*/
UA_StatusCode
decryptAndVerifyChunk(const UA_SecureChannel *channel,
                      const UA_SecurityPolicyCryptoModule *cryptoModule,
                      UA_MessageType messageType, UA_ByteString *chunk,
                      size_t offset);

size_t
calculateAsymAlgSecurityHeaderLength(const UA_SecureChannel *channel);

UA_StatusCode
prependHeadersAsym(UA_SecureChannel *const channel, UA_Byte *header_pos,
                   const UA_Byte *buf_end, size_t totalLength,
                   size_t securityHeaderLength, UA_UInt32 requestId,
                   size_t *const finalLength);

void
setBufPos(UA_MessageContext *mc);

UA_StatusCode
checkSymHeader(UA_SecureChannel *channel, const UA_UInt32 tokenId);

UA_StatusCode
checkAsymHeader(UA_SecureChannel *channel,
                const UA_AsymmetricAlgorithmSecurityHeader *asymHeader);

void
padChunk(UA_SecureChannel *channel, const UA_SecurityPolicyCryptoModule *cm,
         const UA_Byte *start, UA_Byte **pos);

UA_StatusCode
signAndEncryptAsym(UA_SecureChannel *channel, size_t preSignLength,
                   UA_ByteString *buf, size_t securityHeaderLength,
                   size_t totalLength);

UA_StatusCode
signAndEncryptSym(UA_MessageContext *messageContext,
                  size_t preSigLength, size_t totalLength);

/**
 * Log Helper
 * ----------
 * C99 requires at least one element for the variadic argument. If the log
 * statement has no variable arguments, supply an additional NULL. It will be
 * ignored by printf.
 *
 * We have to jump through some hoops to enable the use of format strings
 * without arguments since (pedantic) C99 does not allow variadic macros with
 * zero arguments. So we add a dummy argument that is not printed (%.0s is
 * string of length zero). */

#define UA_LOG_TRACE_CHANNEL_INTERNAL(LOGGER, CHANNEL, MSG, ...)              \
    UA_LOG_TRACE(LOGGER, UA_LOGCATEGORY_SECURECHANNEL,                        \
                 "Connection %i | SecureChannel %" PRIu32 " | " MSG "%.0s",     \
                 ((CHANNEL)->connection ? (int)((CHANNEL)->connection->sockfd) : 0), \
                 (CHANNEL)->securityToken.channelId, __VA_ARGS__)

#define UA_LOG_TRACE_CHANNEL(LOGGER, CHANNEL, ...)        \
    UA_MACRO_EXPAND(UA_LOG_TRACE_CHANNEL_INTERNAL(LOGGER, CHANNEL, __VA_ARGS__, ""))

#define UA_LOG_DEBUG_CHANNEL_INTERNAL(LOGGER, CHANNEL, MSG, ...)              \
    UA_LOG_DEBUG(LOGGER, UA_LOGCATEGORY_SECURECHANNEL,                        \
                 "Connection %i | SecureChannel %" PRIu32 " | " MSG "%.0s",     \
                 ((CHANNEL)->connection ? (int)((CHANNEL)->connection->sockfd) : 0), \
                 (CHANNEL)->securityToken.channelId, __VA_ARGS__)

#define UA_LOG_DEBUG_CHANNEL(LOGGER, CHANNEL, ...)        \
    UA_MACRO_EXPAND(UA_LOG_DEBUG_CHANNEL_INTERNAL(LOGGER, CHANNEL, __VA_ARGS__, ""))

#define UA_LOG_INFO_CHANNEL_INTERNAL(LOGGER, CHANNEL, MSG, ...)               \
    UA_LOG_INFO(LOGGER, UA_LOGCATEGORY_SECURECHANNEL,                         \
                 "Connection %i | SecureChannel %" PRIu32 " | " MSG "%.0s",     \
                 ((CHANNEL)->connection ? (int)((CHANNEL)->connection->sockfd) : 0), \
                 (CHANNEL)->securityToken.channelId, __VA_ARGS__)

#define UA_LOG_INFO_CHANNEL(LOGGER, CHANNEL, ...)        \
    UA_MACRO_EXPAND(UA_LOG_INFO_CHANNEL_INTERNAL(LOGGER, CHANNEL, __VA_ARGS__, ""))

#define UA_LOG_WARNING_CHANNEL_INTERNAL(LOGGER, CHANNEL, MSG, ...)            \
    UA_LOG_WARNING(LOGGER, UA_LOGCATEGORY_SECURECHANNEL,                      \
                 "Connection %i | SecureChannel %" PRIu32 " | " MSG "%.0s",     \
                 ((CHANNEL)->connection ? (int)((CHANNEL)->connection->sockfd) : 0), \
                 (CHANNEL)->securityToken.channelId, __VA_ARGS__)

#define UA_LOG_WARNING_CHANNEL(LOGGER, CHANNEL, ...)        \
    UA_MACRO_EXPAND(UA_LOG_WARNING_CHANNEL_INTERNAL(LOGGER, CHANNEL, __VA_ARGS__, ""))

#define UA_LOG_ERROR_CHANNEL_INTERNAL(LOGGER, CHANNEL, MSG, ...)              \
    UA_LOG_ERROR(LOGGER, UA_LOGCATEGORY_SECURECHANNEL,                        \
                 "Connection %i | SecureChannel %" PRIu32 " | " MSG "%.0s",     \
                 ((CHANNEL)->connection ? (int)((CHANNEL)->connection->sockfd) : 0), \
                 (CHANNEL)->securityToken.channelId, __VA_ARGS__)

#define UA_LOG_ERROR_CHANNEL(LOGGER, CHANNEL, ...)        \
    UA_MACRO_EXPAND(UA_LOG_ERROR_CHANNEL_INTERNAL(LOGGER, CHANNEL, __VA_ARGS__, ""))

#define UA_LOG_FATAL_CHANNEL_INTERNAL(LOGGER, CHANNEL, MSG, ...)              \
    UA_LOG_FATAL(LOGGER, UA_LOGCATEGORY_SECURECHANNEL,                        \
                 "Connection %i | SecureChannel %" PRIu32 " | " MSG "%.0s",     \
                 ((CHANNEL)->connection ? (CHANNEL)->connection->sockfd : 0), \
                 (CHANNEL)->securityToken.channelId, __VA_ARGS__)

#define UA_LOG_FATAL_CHANNEL(LOGGER, CHANNEL, ...)        \
    UA_MACRO_EXPAND(UA_LOG_FATAL_CHANNEL_INTERNAL(LOGGER, CHANNEL, __VA_ARGS__, ""))

_UA_END_DECLS


/**** amalgamated original file "/src/ua_timer.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2017, 2018, 2021 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */



_UA_BEGIN_DECLS

/* The timer is protected by its own mutex. The mutex is released before calling
 * into the callbacks. So the timer can be modified from the callbacks it is
 * executing. Also, the timer mutex can never lead to locking. Because the timer
 * mutex will be left without acquiring another mutex.
 *
 * Obviously, the timer must not be deleted from within one of its
 * callbacks. */

/* Callback where the application is either a client or a server */
typedef void (*UA_ApplicationCallback)(void *application, void *data);

typedef struct UA_TimerEntry {
    struct aa_entry treeEntry;
    UA_TimerPolicy timerPolicy;              /* Timer policy to handle cycle misses */
    UA_DateTime nextTime;                    /* The next time when the callback
                                              * is to be executed */
    UA_UInt64 interval;                      /* Interval in 100ns resolution. If
                                                the interval is zero, the
                                                callback is not repeated and
                                                removed after execution. */
    UA_ApplicationCallback callback;
    void *application;
    void *data;

    struct aa_entry idTreeEntry;
    UA_UInt64 id;                            /* Id of the entry */
} UA_TimerEntry;

typedef struct {
    struct aa_head root;   /* The root of the time-sorted tree */
    struct aa_head idRoot; /* The root of the id-sorted tree */
    UA_UInt64 idCounter;   /* Generate unique identifiers. Identifiers are
                            * always above zero. */
#if UA_MULTITHREADING >= 100
    UA_Lock timerMutex;
#endif
} UA_Timer;

void
UA_Timer_init(UA_Timer *t);

UA_StatusCode
UA_Timer_addTimedCallback(UA_Timer *t, UA_ApplicationCallback callback,
                          void *application, void *data, UA_DateTime date,
                          UA_UInt64 *callbackId);

/* Add a pre-allocated and pre-filled UA_TimerEntry. This cannot fail. It is
 * used, for example, for delayed memory reclamation where the data structure
 * begins with a UA_TimerEntry. */
void
UA_Timer_addTimerEntry(UA_Timer *t, UA_TimerEntry *te, UA_UInt64 *callbackId);

UA_StatusCode
UA_Timer_addRepeatedCallback(UA_Timer *t, UA_ApplicationCallback callback,
                             void *application, void *data, UA_Double interval_ms,
                             UA_DateTime *baseTime, UA_TimerPolicy timerPolicy,
                             UA_UInt64 *callbackId);

UA_StatusCode
UA_Timer_changeRepeatedCallback(UA_Timer *t, UA_UInt64 callbackId,
                                UA_Double interval_ms, UA_DateTime *baseTime,
                                UA_TimerPolicy timerPolicy);

void
UA_Timer_removeCallback(UA_Timer *t, UA_UInt64 callbackId);

/* Process (dispatch) the repeated callbacks that have timed out. Returns the
 * timestamp of the next scheduled repeated callback. Not thread-safe.
 * Application is a pointer to the client / server environment for the callback.
 * Dispatched is set to true when at least one callback was run / dispatched. */
typedef void
(*UA_TimerExecutionCallback)(void *executionApplication, UA_ApplicationCallback cb,
                             void *callbackApplication, void *data);

UA_DateTime
UA_Timer_process(UA_Timer *t, UA_DateTime nowMonotonic,
                 UA_TimerExecutionCallback executionCallback,
                 void *executionApplication);

void
UA_Timer_clear(UA_Timer *t);

_UA_END_DECLS


/**** amalgamated original file "/src/server/ua_session.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */




_UA_BEGIN_DECLS

#define UA_MAXCONTINUATIONPOINTS 5

struct ContinuationPoint;
typedef struct ContinuationPoint ContinuationPoint;

/* Returns the next entry in the linked list */
ContinuationPoint *
ContinuationPoint_clear(ContinuationPoint *cp);

struct UA_Subscription;
typedef struct UA_Subscription UA_Subscription;

#ifdef UA_ENABLE_SUBSCRIPTIONS
typedef struct UA_PublishResponseEntry {
    SIMPLEQ_ENTRY(UA_PublishResponseEntry) listEntry;
    UA_UInt32 requestId;
    UA_PublishResponse response;
} UA_PublishResponseEntry;
#endif

typedef struct {
    UA_SessionHeader  header;
    UA_ApplicationDescription clientDescription;
    UA_String         sessionName;
    UA_Boolean        activated;
    void             *sessionHandle; /* pointer assigned in userland-callback */
    UA_NodeId         sessionId;
    UA_UInt32         maxRequestMessageSize;
    UA_UInt32         maxResponseMessageSize;
    UA_Double         timeout; /* in ms */
    UA_DateTime       validTill;
    UA_ByteString     serverNonce;

    UA_UInt16         availableContinuationPoints;
    ContinuationPoint *continuationPoints;

    size_t paramsSize;
    UA_KeyValuePair *params;

    /* Localization information */
    size_t localeIdsSize;
    UA_String *localeIds;

#ifdef UA_ENABLE_SUBSCRIPTIONS
    /* The queue is ordered according to the priority byte (higher bytes come
     * first). When a late subscription finally publishes, then it is pushed to
     * the back within the sub-set of subscriptions that has the same priority
     * (round-robin scheduling). */
    size_t subscriptionsSize;
    TAILQ_HEAD(, UA_Subscription) subscriptions;

    size_t responseQueueSize;
    SIMPLEQ_HEAD(, UA_PublishResponseEntry) responseQueue;

    size_t totalRetransmissionQueueSize; /* Retransmissions of all subscriptions */
#endif

#ifdef UA_ENABLE_DIAGNOSTICS
    UA_SessionSecurityDiagnosticsDataType securityDiagnostics;
    UA_SessionDiagnosticsDataType diagnostics;
#endif
} UA_Session;

/**
 * Session Lifecycle
 * ----------------- */

void UA_Session_init(UA_Session *session);
void UA_Session_clear(UA_Session *session, UA_Server *server);
void UA_Session_attachToSecureChannel(UA_Session *session, UA_SecureChannel *channel);
void UA_Session_detachFromSecureChannel(UA_Session *session);
UA_StatusCode UA_Session_generateNonce(UA_Session *session);

/* If any activity on a session happens, the timeout is extended */
void UA_Session_updateLifetime(UA_Session *session);

/**
 * Subscription handling
 * --------------------- */

#ifdef UA_ENABLE_SUBSCRIPTIONS

void
UA_Session_attachSubscription(UA_Session *session, UA_Subscription *sub);

/* If releasePublishResponses is true and the last subscription is removed, all
 * outstanding PublishResponse are sent with a StatusCode. But we don't do that
 * if a Subscription is only detached for modification. */
void
UA_Session_detachSubscription(UA_Server *server, UA_Session *session,
                              UA_Subscription *sub, UA_Boolean releasePublishResponses);

UA_Subscription *
UA_Session_getSubscriptionById(UA_Session *session,
                               UA_UInt32 subscriptionId);


void
UA_Session_queuePublishReq(UA_Session *session,
                           UA_PublishResponseEntry* entry,
                           UA_Boolean head);

UA_PublishResponseEntry *
UA_Session_dequeuePublishReq(UA_Session *session);

#endif

/**
 * Log Helper
 * ----------
 * We have to jump through some hoops to enable the use of format strings
 * without arguments since (pedantic) C99 does not allow variadic macros with
 * zero arguments. So we add a dummy argument that is not printed (%.0s is
 * string of length zero). */

#define UA_LOG_SESSION_INTERNAL(LOGGER, LEVEL, SESSION, MSG, ...)       \
    do {                                                                \
        int nameLen = (SESSION) ? (int)(SESSION)->sessionName.length : 0; \
        const char *nameStr = (SESSION) ?                               \
            (const char*)(SESSION)->sessionName.data : NULL;            \
        UA_UInt32 chanId = ((SESSION) && (SESSION)->header.channel) ?   \
            (SESSION)->header.channel->securityToken.channelId : 0;     \
        UA_LOG_##LEVEL(LOGGER, UA_LOGCATEGORY_SESSION,                  \
                       "SecureChannel %" PRIu32 " | Session \"%.*s\" | " MSG "%.0s", \
                       chanId, nameLen, nameStr, __VA_ARGS__);          \
    } while(0)

#if UA_LOGLEVEL <= 100
# define UA_LOG_TRACE_SESSION(LOGGER, SESSION, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SESSION_INTERNAL(LOGGER, TRACE, SESSION, __VA_ARGS__, ""))
#else
# define UA_LOG_TRACE_SESSION(LOGGER, SESSION, ...)
#endif

#if UA_LOGLEVEL <= 200
# define UA_LOG_DEBUG_SESSION(LOGGER, SESSION, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SESSION_INTERNAL(LOGGER, DEBUG, SESSION, __VA_ARGS__, ""))
#else
# define UA_LOG_DEBUG_SESSION(LOGGER, SESSION, ...)
#endif

#if UA_LOGLEVEL <= 300
# define UA_LOG_INFO_SESSION(LOGGER, SESSION, ...)                      \
    UA_MACRO_EXPAND(UA_LOG_SESSION_INTERNAL(LOGGER, INFO, SESSION, __VA_ARGS__, ""))
#else
# define UA_LOG_INFO_SESSION(LOGGER, SESSION, ...)
#endif

#if UA_LOGLEVEL <= 400
# define UA_LOG_WARNING_SESSION(LOGGER, SESSION, ...)                    \
    UA_MACRO_EXPAND(UA_LOG_SESSION_INTERNAL(LOGGER, WARNING, SESSION, __VA_ARGS__, ""))
#else
# define UA_LOG_WARNING_SESSION(LOGGER, SESSION, ...)
#endif

#if UA_LOGLEVEL <= 500
# define UA_LOG_ERROR_SESSION(LOGGER, SESSION, ...)                      \
    UA_MACRO_EXPAND(UA_LOG_SESSION_INTERNAL(LOGGER, ERROR, SESSION, __VA_ARGS__, ""))
#else
# define UA_LOG_ERROR_SESSION(LOGGER, SESSION, ...)
#endif

#if UA_LOGLEVEL <= 600
# define UA_LOG_FATAL_SESSION(LOGGER, SESSION, ...)                      \
    UA_MACRO_EXPAND(UA_LOG_SESSION_INTERNAL(LOGGER, FATAL, SESSION, __VA_ARGS__, ""))
#else
# define UA_LOG_FATAL_SESSION(LOGGER, SESSION, ...)
#endif

_UA_END_DECLS


/**** amalgamated original file "/src/server/ua_subscription.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2015-2018, 2021-2022 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Florian Palm
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Mattias Bornhager
 *    Copyright 2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 *    Copyright 2020 (c) Christian von Arnim, ISW University of Stuttgart (for VDW and umati)
 *    Copyright 2021 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 */




_UA_BEGIN_DECLS

#ifdef UA_ENABLE_SUBSCRIPTIONS

/* MonitoredItems create Notifications. Subscriptions collect Notifications from
 * (several) MonitoredItems and publish them to the client.
 *
 * Notifications are put into two queues at the same time. One for the
 * MonitoredItem that generated the notification. Here we can remove it if the
 * space reserved for the MonitoredItem runs full. The second queue is the
 * "global" queue for all Notifications generated in a Subscription. For
 * publication, the notifications are taken out of the "global" queue in the
 * order of their creation. */

/*****************/
/* Notifications */
/*****************/

/* Set to the TAILQ_NEXT pointer of a notification, the sentinel that the
 * notification was not added to the global queue */
#define UA_SUBSCRIPTION_QUEUE_SENTINEL ((UA_Notification*)0x01)

typedef struct UA_Notification {
    TAILQ_ENTRY(UA_Notification) localEntry;  /* Notification list for the MonitoredItem */
    TAILQ_ENTRY(UA_Notification) globalEntry; /* Notification list for the Subscription */
    UA_MonitoredItem *mon; /* Always set */

    /* The event field is used if mon->attributeId is the EventNotifier */
    union {
        UA_MonitoredItemNotification dataChange;
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
        UA_EventFieldList event;
#endif
    } data;

#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    UA_Boolean isOverflowEvent; /* Counted manually */
    UA_EventFilterResult result;
#endif
} UA_Notification;

/* Initializes and sets the sentinel pointers */
UA_Notification * UA_Notification_new(void);

/* Notifications are always added to the queue of the MonitoredItem. That queue
 * can overflow. If Notifications are reported, they are also added to the
 * global queue of the Subscription. There they are picked up by the publishing
 * callback.
 *
 * There are two ways Notifications can be put into the global queue of the
 * Subscription: They are added because the MonitoringMode of the MonitoredItem
 * is "reporting". Or the MonitoringMode is "sampling" and a link is trigered
 * that puts the last Notification into the global queue. */
void UA_Notification_enqueueAndTrigger(UA_Server *server,
                                       UA_Notification *n);

/* Dequeue and delete the notification */
void UA_Notification_delete(UA_Notification *n);

/* A NotificationMessage contains an array of notifications.
 * Sent NotificationMessages are stored for the republish service. */
typedef struct UA_NotificationMessageEntry {
    TAILQ_ENTRY(UA_NotificationMessageEntry) listEntry;
    UA_NotificationMessage message;
} UA_NotificationMessageEntry;

/* Queue Definitions */
typedef TAILQ_HEAD(NotificationQueue, UA_Notification) NotificationQueue;
typedef TAILQ_HEAD(NotificationMessageQueue, UA_NotificationMessageEntry)
    NotificationMessageQueue;

/*****************/
/* MonitoredItem */
/*****************/

/* The type of sampling for MonitoredItems depends on the sampling interval.
 *
 * >0: Cyclic callback
 * =0: Attached to the node. Sampling is triggered after every "write".
 * <0: Attached to the subscription. Triggered just before every "publish". */
typedef enum {
    UA_MONITOREDITEMSAMPLINGTYPE_NONE = 0,
    UA_MONITOREDITEMSAMPLINGTYPE_CYCLIC, /* Cyclic callback */
    UA_MONITOREDITEMSAMPLINGTYPE_EVENT,  /* Attached to the node. Can be a "write
                                          * event" for DataChange MonitoredItems
                                          * with a zero sampling interval .*/
    UA_MONITOREDITEMSAMPLINGTYPE_PUBLISH /* Attached to the subscription */
} UA_MonitoredItemSamplingType;

struct UA_MonitoredItem {
    UA_TimerEntry delayedFreePointers;
    LIST_ENTRY(UA_MonitoredItem) listEntry; /* Linked list in the Subscription */
    UA_Subscription *subscription; /* If NULL, then this is a Local MonitoredItem */
    UA_UInt32 monitoredItemId;

    /* Status and Settings */
    UA_ReadValueId itemToMonitor;
    UA_MonitoringMode monitoringMode;
    UA_TimestampsToReturn timestampsToReturn;
    UA_Boolean registered;       /* Registered in the server / Subscription */
    UA_DateTime triggeredUntil;  /* If the MonitoringMode is SAMPLING,
                                  * triggering the MonitoredItem puts the latest
                                  * Notification into the publishing queue (of
                                  * the Subscription). In addition, the first
                                  * new sample is also published (and not just
                                  * sampled) if it occurs within the duration of
                                  * one publishing cycle after the triggering. */

    /* If the filter is a UA_DataChangeFilter: The DataChangeFilter always
     * contains an absolute deadband definition. Part 8, §6.2 gives the
     * following formula to test for percentage deadbands:
     *
     * DataChange if (absolute value of (last cached value - current value)
     *                > (deadbandValue/100.0) * ((high–low) of EURange)))
     *
     * So we can convert from a percentage to an absolute deadband and keep
     * the hot code path simple.
     *
     * TODO: Store the percentage deadband to recompute when the UARange is
     * changed at runtime of the MonitoredItem */
    UA_MonitoringParameters parameters;

    /* Sampling */
    UA_MonitoredItemSamplingType samplingType;
    union {
        UA_UInt64 callbackId;
        UA_MonitoredItem *nodeListNext; /* Event-Based: Attached to Node */
        LIST_ENTRY(UA_MonitoredItem) samplingListEntry; /* Publish-interval: Linked in
                                                         * Subscription */
    } sampling;
    UA_DataValue lastValue;

    /* Triggering Links */
    size_t triggeringLinksSize;
    UA_UInt32 *triggeringLinks;

    /* Notification Queue */
    NotificationQueue queue;
    size_t queueSize; /* This is the current size. See also the configured
                       * (maximum) queueSize in the parameters. */
    size_t eventOverflows; /* Separate counter for the queue. Can at most double
                            * the queue size */
};

void UA_MonitoredItem_init(UA_MonitoredItem *mon);

void
UA_MonitoredItem_delete(UA_Server *server, UA_MonitoredItem *monitoredItem);

void
UA_MonitoredItem_removeOverflowInfoBits(UA_MonitoredItem *mon);

void
UA_Server_registerMonitoredItem(UA_Server *server, UA_MonitoredItem *mon);

/* Register sampling. Either by adding a repeated callback or by adding the
 * MonitoredItem to a linked list in the node. */
UA_StatusCode
UA_MonitoredItem_registerSampling(UA_Server *server, UA_MonitoredItem *mon);

void
UA_MonitoredItem_unregisterSampling(UA_Server *server,
                                    UA_MonitoredItem *mon);

UA_StatusCode
UA_MonitoredItem_setMonitoringMode(UA_Server *server, UA_MonitoredItem *mon,
                                   UA_MonitoringMode monitoringMode);

void
UA_MonitoredItem_sampleCallback(UA_Server *server,
                                UA_MonitoredItem *monitoredItem);

UA_StatusCode
sampleCallbackWithValue(UA_Server *server, UA_Subscription *sub,
                        UA_MonitoredItem *mon, UA_DataValue *value);

UA_StatusCode
UA_MonitoredItem_removeLink(UA_Subscription *sub, UA_MonitoredItem *mon,
                            UA_UInt32 linkId);

UA_StatusCode
UA_MonitoredItem_addLink(UA_Subscription *sub, UA_MonitoredItem *mon,
                         UA_UInt32 linkId);

UA_StatusCode
UA_MonitoredItem_createDataChangeNotification(UA_Server *server,
                                              UA_Subscription *sub,
                                              UA_MonitoredItem *mon,
                                              const UA_DataValue *value);

UA_StatusCode
UA_Event_addEventToMonitoredItem(UA_Server *server, const UA_NodeId *event,
                                 UA_MonitoredItem *mon);

UA_StatusCode
UA_Event_generateEventId(UA_ByteString *generatedId);

void
UA_Event_staticSelectClauseValidation(UA_Server *server,
                                      const UA_EventFilter *eventFilter,
                                      UA_StatusCode *result);

UA_StatusCode
UA_Event_staticWhereClauseValidation(UA_Server *server,
                                     const UA_ContentFilter *filter,
                                     UA_ContentFilterResult *);

/* Remove entries until mon->maxQueueSize is reached. Sets infobits for lost
 * data if required. */
void
UA_MonitoredItem_ensureQueueSpace(UA_Server *server, UA_MonitoredItem *mon);

/****************/
/* Subscription */
/****************/

/* We use only a subset of the states defined in the standard */
typedef enum {
    /* UA_SUBSCRIPTIONSTATE_CLOSED */
    /* UA_SUBSCRIPTIONSTATE_CREATING */
    UA_SUBSCRIPTIONSTATE_NORMAL,
    UA_SUBSCRIPTIONSTATE_LATE,
    UA_SUBSCRIPTIONSTATE_KEEPALIVE
} UA_SubscriptionState;

/* Subscriptions are managed in a server-wide linked list. If they are attached
 * to a Session, then they are additionaly in the per-Session linked-list. A
 * subscription is always generated for a Session. But the CloseSession Service
 * may keep Subscriptions intact beyond the Session lifetime. They can then be
 * re-bound to a new Session with the TransferSubscription Service. */
struct UA_Subscription {
    UA_TimerEntry delayedFreePointers;
    LIST_ENTRY(UA_Subscription) serverListEntry;
    /* Ordered according to the priority byte and round-robin scheduling for
     * late subscriptions. See ua_session.h. Only set if session != NULL. */
    TAILQ_ENTRY(UA_Subscription) sessionListEntry;
    UA_Session *session; /* May be NULL if no session is attached. */
    UA_UInt32 subscriptionId;

    /* Settings */
    UA_UInt32 lifeTimeCount;
    UA_UInt32 maxKeepAliveCount;
    UA_Double publishingInterval; /* in ms */
    UA_UInt32 notificationsPerPublish;
    UA_Boolean publishingEnabled;
    UA_Byte priority;

    /* Runtime information */
    UA_SubscriptionState state;
    UA_StatusCode statusChange; /* If set, a notification is generated and the
                                 * Subscription is deleted within
                                 * UA_Subscription_publish. */
    UA_UInt32 nextSequenceNumber;
    UA_UInt32 currentKeepAliveCount;
    UA_UInt32 currentLifetimeCount;

    /* Publish Callback. Registered if id > 0. */
    UA_UInt64 publishCallbackId;

    /* MonitoredItems */
    UA_UInt32 lastMonitoredItemId; /* increase the identifiers */
    LIST_HEAD(, UA_MonitoredItem) monitoredItems;
    UA_UInt32 monitoredItemsSize;

    /* MonitoredItems that are sampled in every publish callback (with the
     * publish interval of the subscription) */
    LIST_HEAD(, UA_MonitoredItem) samplingMonitoredItems;

    /* Global list of notifications from the MonitoredItems */
    TAILQ_HEAD(, UA_Notification) notificationQueue;
    UA_UInt32 notificationQueueSize; /* Total queue size */
    UA_UInt32 dataChangeNotifications;
    UA_UInt32 eventNotifications;

    /* Retransmission Queue */
    NotificationMessageQueue retransmissionQueue;
    size_t retransmissionQueueSize;

    /* Statistics for the server diagnostics. The fields are defined according
     * to the SubscriptionDiagnosticsDataType (Part 5, §12.15). */
#ifdef UA_ENABLE_DIAGNOSTICS
    UA_UInt32 modifyCount;
    UA_UInt32 enableCount;
    UA_UInt32 disableCount;
    UA_UInt32 republishRequestCount;
    UA_UInt32 republishMessageCount;
    UA_UInt32 transferRequestCount;
    UA_UInt32 transferredToAltClientCount;
    UA_UInt32 transferredToSameClientCount;
    UA_UInt32 publishRequestCount;
    UA_UInt32 dataChangeNotificationsCount;
    UA_UInt32 eventNotificationsCount;
    UA_UInt32 notificationsCount;
    UA_UInt32 latePublishRequestCount;
    UA_UInt32 discardedMessageCount;
    UA_UInt32 monitoringQueueOverflowCount;
    UA_UInt32 eventQueueOverFlowCount;
#endif
};

UA_Subscription * UA_Subscription_new(void);

void
UA_Subscription_delete(UA_Server *server, UA_Subscription *sub);

UA_StatusCode
Subscription_registerPublishCallback(UA_Server *server,
                                     UA_Subscription *sub);

void
Subscription_unregisterPublishCallback(UA_Server *server,
                                       UA_Subscription *sub);

UA_MonitoredItem *
UA_Subscription_getMonitoredItem(UA_Subscription *sub,
                                 UA_UInt32 monitoredItemId);

void
UA_Subscription_sampleAndPublish(UA_Server *server, UA_Subscription *sub);

UA_Boolean
UA_Subscription_publishOnce(UA_Server *server, UA_Subscription *sub);

void
UA_Subscription_publish(UA_Server *server, UA_Subscription *sub);

UA_StatusCode
UA_Subscription_removeRetransmissionMessage(UA_Subscription *sub,
                                            UA_UInt32 sequenceNumber);

UA_Boolean
UA_Session_reachedPublishReqLimit(UA_Server *server, UA_Session *session);

/* Forward declaration for A&C used in ua_server_internal.h" */
struct UA_ConditionSource;
typedef struct UA_ConditionSource UA_ConditionSource;

/***********/
/* Helpers */
/***********/

/* Evaluate content filter, Only for unit testing */
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
UA_StatusCode
UA_Server_evaluateWhereClauseContentFilter(UA_Server *server, UA_Session *session,
                                           const UA_NodeId *eventNode,
                                           const UA_ContentFilter *contentFilter,
                                           UA_ContentFilterResult *contentFilterResult);
#endif
 
/* Setting an integer value within bounds */
#define UA_BOUNDEDVALUE_SETWBOUNDS(BOUNDS, SRC, DST) { \
        if(SRC > BOUNDS.max) DST = BOUNDS.max;         \
        else if(SRC < BOUNDS.min) DST = BOUNDS.min;    \
        else DST = SRC;                                \
    }

/* Logging
 * See a description of the tricks used in ua_session.h */
#define UA_LOG_SUBSCRIPTION_INTERNAL(LOGGER, LEVEL, SUB, MSG, ...)      \
    do {                                                                \
        if((SUB) && (SUB)->session) {                                   \
            UA_LOG_##LEVEL##_SESSION(LOGGER, (SUB)->session,            \
                                     "Subscription %" PRIu32 " | " MSG "%.0s", \
                                     (SUB)->subscriptionId, __VA_ARGS__); \
        } else {                                                        \
            UA_LOG_##LEVEL(LOGGER, UA_LOGCATEGORY_SERVER,               \
                           "Subscription %" PRIu32 " | " MSG "%.0s",    \
                           (SUB) ? (SUB)->subscriptionId : 0, __VA_ARGS__); \
        }                                                               \
    } while(0)

#if UA_LOGLEVEL <= 100
# define UA_LOG_TRACE_SUBSCRIPTION(LOGGER, SUB, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SUBSCRIPTION_INTERNAL(LOGGER, TRACE, SUB, __VA_ARGS__, ""))
#else
# define UA_LOG_TRACE_SUBSCRIPTION(LOGGER, SUB, ...) do {} while(0)
#endif

#if UA_LOGLEVEL <= 200
# define UA_LOG_DEBUG_SUBSCRIPTION(LOGGER, SUB, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SUBSCRIPTION_INTERNAL(LOGGER, DEBUG, SUB, __VA_ARGS__, ""))
#else
# define UA_LOG_DEBUG_SUBSCRIPTION(LOGGER, SUB, ...) do {} while(0)
#endif

#if UA_LOGLEVEL <= 300
# define UA_LOG_INFO_SUBSCRIPTION(LOGGER, SUB, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SUBSCRIPTION_INTERNAL(LOGGER, INFO, SUB, __VA_ARGS__, ""))
#else
# define UA_LOG_INFO_SUBSCRIPTION(LOGGER, SUB, ...) do {} while(0)
#endif

#if UA_LOGLEVEL <= 400
# define UA_LOG_WARNING_SUBSCRIPTION(LOGGER, SUB, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SUBSCRIPTION_INTERNAL(LOGGER, WARNING, SUB, __VA_ARGS__, ""))
#else
# define UA_LOG_WARNING_SUBSCRIPTION(LOGGER, SUB, ...) do {} while(0)
#endif

#if UA_LOGLEVEL <= 500
# define UA_LOG_ERROR_SUBSCRIPTION(LOGGER, SUB, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SUBSCRIPTION_INTERNAL(LOGGER, ERROR, SUB, __VA_ARGS__, ""))
#else
# define UA_LOG_ERROR_SUBSCRIPTION(LOGGER, SUB, ...) do {} while(0)
#endif

#if UA_LOGLEVEL <= 600
# define UA_LOG_FATAL_SUBSCRIPTION(LOGGER, SUB, ...)                     \
    UA_MACRO_EXPAND(UA_LOG_SUBSCRIPTION_INTERNAL(LOGGER, FATAL, SUB, __VA_ARGS__, ""))
#else
# define UA_LOG_FATAL_SUBSCRIPTION(LOGGER, SUB, ...) do {} while(0)
#endif

#endif /* UA_ENABLE_SUBSCRIPTIONS */

_UA_END_DECLS


/**** amalgamated original file "/src/pubsub/ua_pubsub_networkmessage.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017 - 2018 Fraunhofer IOSB (Author: Tino Bischoff)
 * Copyright (c) 2017-2019 Fraunhofer IOSB (Author: Andreas Ebner)
 */



_UA_BEGIN_DECLS

/* DataSet Payload Header */
typedef struct {
    UA_Byte count;
    UA_UInt16* dataSetWriterIds;
} UA_DataSetPayloadHeader;

/* FieldEncoding Enum  */
typedef enum {
    UA_FIELDENCODING_VARIANT = 0,
    UA_FIELDENCODING_RAWDATA = 1,
    UA_FIELDENCODING_DATAVALUE = 2,
    UA_FIELDENCODING_UNKNOWN = 3
} UA_FieldEncoding;

/* DataSetMessage Type */
typedef enum {
    UA_DATASETMESSAGE_DATAKEYFRAME = 0,
    UA_DATASETMESSAGE_DATADELTAFRAME = 1,
    UA_DATASETMESSAGE_EVENT = 2,
    UA_DATASETMESSAGE_KEEPALIVE = 3
} UA_DataSetMessageType;

/* DataSetMessage Header */
typedef struct {
    UA_Boolean dataSetMessageValid;
    UA_FieldEncoding fieldEncoding;
    UA_Boolean dataSetMessageSequenceNrEnabled;
    UA_Boolean timestampEnabled;
    UA_Boolean statusEnabled;
    UA_Boolean configVersionMajorVersionEnabled;
    UA_Boolean configVersionMinorVersionEnabled;
    UA_DataSetMessageType dataSetMessageType;
    UA_Boolean picoSecondsIncluded;
    UA_UInt16 dataSetMessageSequenceNr;
    UA_UtcTime timestamp;
    UA_UInt16 picoSeconds;
    UA_UInt16 status;
    UA_UInt32 configVersionMajorVersion;
    UA_UInt32 configVersionMinorVersion;
} UA_DataSetMessageHeader;

/**
 * DataSetMessage
 * ^^^^^^^^^^^^^^ */

typedef struct {
    UA_UInt16 fieldCount;
    UA_DataValue* dataSetFields;
    UA_ByteString rawFields;
    /* Json keys for the dataSetFields: TODO: own dataSetMessageType for json? */
    UA_String* fieldNames;
} UA_DataSetMessage_DataKeyFrameData;

typedef struct {
    UA_UInt16 fieldIndex;
    UA_DataValue fieldValue;
} UA_DataSetMessage_DeltaFrameField;

typedef struct {
    UA_UInt16 fieldCount;
    UA_DataSetMessage_DeltaFrameField* deltaFrameFields;
} UA_DataSetMessage_DataDeltaFrameData;

typedef struct {
    UA_DataSetMessageHeader header;
    union {
        UA_DataSetMessage_DataKeyFrameData keyFrameData;
        UA_DataSetMessage_DataDeltaFrameData deltaFrameData;
    } data;
} UA_DataSetMessage;

typedef struct {
    UA_UInt16* sizes;
    UA_DataSetMessage* dataSetMessages;
} UA_DataSetPayload;

typedef enum {
    UA_PUBLISHERDATATYPE_BYTE = 0,
    UA_PUBLISHERDATATYPE_UINT16 = 1,
    UA_PUBLISHERDATATYPE_UINT32 = 2,
    UA_PUBLISHERDATATYPE_UINT64 = 3,
    UA_PUBLISHERDATATYPE_STRING = 4
} UA_PublisherIdDatatype;

typedef enum {
    UA_NETWORKMESSAGE_DATASET = 0,
    UA_NETWORKMESSAGE_DISCOVERY_REQUEST = 1,
    UA_NETWORKMESSAGE_DISCOVERY_RESPONSE = 2
} UA_NetworkMessageType;

/**
 * UA_NetworkMessageGroupHeader
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
typedef struct {
    UA_Boolean writerGroupIdEnabled;
    UA_Boolean groupVersionEnabled;
    UA_Boolean networkMessageNumberEnabled;
    UA_Boolean sequenceNumberEnabled;
    UA_UInt16 writerGroupId;
    UA_UInt32 groupVersion; // spec: type "VersionTime"
    UA_UInt16 networkMessageNumber;
    UA_UInt16 sequenceNumber;
} UA_NetworkMessageGroupHeader;

/**
 * UA_NetworkMessageSecurityHeader
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
typedef struct {
    UA_Boolean networkMessageSigned;
    UA_Boolean networkMessageEncrypted;
    UA_Boolean securityFooterEnabled;
    UA_Boolean forceKeyReset;
    UA_UInt32 securityTokenId;      // spec: IntegerId
    UA_ByteString messageNonce;
    UA_UInt16 securityFooterSize;
} UA_NetworkMessageSecurityHeader;

/**
 * UA_NetworkMessage
 * ^^^^^^^^^^^^^^^^^ */
typedef struct {
    UA_Byte version;
    UA_Boolean messageIdEnabled;
    UA_String messageId; /* For Json NetworkMessage */
    UA_Boolean publisherIdEnabled;
    UA_Boolean groupHeaderEnabled;
    UA_Boolean payloadHeaderEnabled;
    UA_PublisherIdDatatype publisherIdType;
    UA_Boolean dataSetClassIdEnabled;
    UA_Boolean securityEnabled;
    UA_Boolean timestampEnabled;
    UA_Boolean picosecondsEnabled;
    UA_Boolean chunkMessage;
    UA_Boolean promotedFieldsEnabled;
    UA_NetworkMessageType networkMessageType;
    union {
        UA_Byte publisherIdByte;
        UA_UInt16 publisherIdUInt16;
        UA_UInt32 publisherIdUInt32;
        UA_UInt64 publisherIdUInt64;
        UA_Guid publisherIdGuid;
        UA_String publisherIdString;
    } publisherId;
    UA_Guid dataSetClassId;

    UA_NetworkMessageGroupHeader groupHeader;

    union {
        UA_DataSetPayloadHeader dataSetPayloadHeader;
    } payloadHeader;
    
    UA_DateTime timestamp;
    UA_UInt16 picoseconds;
    UA_UInt16 promotedFieldsSize;
    UA_Variant* promotedFields; /* BaseDataType */
    
    UA_NetworkMessageSecurityHeader securityHeader;

    union {
        UA_DataSetPayload dataSetPayload;
    } payload;
    
    UA_ByteString securityFooter;
} UA_NetworkMessage;

/**********************************************/
/*          Network Message Offsets           */
/**********************************************/

/* Offsets for buffered messages in the PubSub fast path. */
typedef enum {
    UA_PUBSUB_OFFSETTYPE_DATASETMESSAGE_SEQUENCENUMBER,
    UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_SEQUENCENUMBER,
    UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_FIELDENCDODING,
    UA_PUBSUB_OFFSETTYPE_TIMESTAMP_PICOSECONDS,
    UA_PUBSUB_OFFSETTYPE_TIMESTAMP,     /* source pointer */
    UA_PUBSUB_OFFSETTYPE_TIMESTAMP_NOW, /* no source */
    UA_PUBSUB_OFFSETTYPE_PAYLOAD_DATAVALUE,
    UA_PUBSUB_OFFSETTYPE_PAYLOAD_VARIANT,
    UA_PUBSUB_OFFSETTYPE_PAYLOAD_RAW,
    /* For subscriber RT */
    UA_PUBSUB_OFFSETTYPE_PUBLISHERID,
    UA_PUBSUB_OFFSETTYPE_WRITERGROUPID,
    UA_PUBSUB_OFFSETTYPE_DATASETWRITERID
    /* Add more offset types as needed */
} UA_NetworkMessageOffsetType;

typedef struct {
    UA_NetworkMessageOffsetType contentType;
    union {
        struct {
            UA_DataValue *value;
            size_t valueBinarySize;
        } value;
        UA_DateTime *timestamp;
    } offsetData;
    size_t offset;
} UA_NetworkMessageOffset;

typedef struct {
    UA_ByteString buffer; /* The precomputed message buffer */
    UA_NetworkMessageOffset *offsets; /* Offsets for changes in the message buffer */
    size_t offsetsSize;
    UA_Boolean RTsubscriberEnabled; /* Addtional offsets computation like publisherId, WGId if this bool enabled */
    UA_NetworkMessage *nm; /* The precomputed NetworkMessage for subscriber */
    size_t rawMessageLength;
} UA_NetworkMessageOffsetBuffer;

void
UA_NetworkMessageOffsetBuffer_clear(UA_NetworkMessageOffsetBuffer *ob);

/**
 * DataSetMessage
 * ^^^^^^^^^^^^^^ */

UA_StatusCode
UA_DataSetMessageHeader_encodeBinary(const UA_DataSetMessageHeader* src,
                                     UA_Byte **bufPos, const UA_Byte *bufEnd);

UA_StatusCode
UA_DataSetMessageHeader_decodeBinary(const UA_ByteString *src, size_t *offset,
                                     UA_DataSetMessageHeader* dst);

size_t
UA_DataSetMessageHeader_calcSizeBinary(const UA_DataSetMessageHeader* p);

UA_StatusCode
UA_DataSetMessage_encodeBinary(const UA_DataSetMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd);

UA_StatusCode
UA_DataSetMessage_decodeBinary(const UA_ByteString *src, size_t *offset,
                               UA_DataSetMessage* dst, UA_UInt16 dsmSize);

size_t
UA_DataSetMessage_calcSizeBinary(UA_DataSetMessage *p, UA_NetworkMessageOffsetBuffer *offsetBuffer,
                                 size_t currentOffset);

void UA_DataSetMessage_clear(const UA_DataSetMessage* p);

/**
 * NetworkMessage
 * ^^^^^^^^^^^^^^ */

UA_StatusCode
UA_NetworkMessage_updateBufferedMessage(UA_NetworkMessageOffsetBuffer *buffer);

UA_StatusCode
UA_NetworkMessage_updateBufferedNwMessage(UA_NetworkMessageOffsetBuffer *buffer,
                                          const UA_ByteString *src, size_t *bufferPosition);


/**
 * NetworkMessage Encoding
 * ^^^^^^^^^^^^^^^^^^^^^^^ */

/* If dataToEncryptStart not-NULL, then it will be set to the start-position of
 * the payload in the buffer. */
UA_StatusCode
UA_NetworkMessage_encodeBinary(const UA_NetworkMessage* src,
                               UA_Byte **bufPos, const UA_Byte *bufEnd,
                               UA_Byte **dataToEncryptStart);

UA_StatusCode
UA_NetworkMessage_encodeHeaders(const UA_NetworkMessage* src,
                               UA_Byte **bufPos, const UA_Byte *bufEnd);

UA_StatusCode
UA_NetworkMessage_encodePayload(const UA_NetworkMessage* src,
                               UA_Byte **bufPos, const UA_Byte *bufEnd);

UA_StatusCode
UA_NetworkMessage_encodeFooters(const UA_NetworkMessage* src,
                               UA_Byte **bufPos, const UA_Byte *bufEnd);

/**
 * NetworkMessage Decoding
 * ^^^^^^^^^^^^^^^^^^^^^^^ */

UA_StatusCode
UA_NetworkMessage_decodeHeaders(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst);

UA_StatusCode
UA_NetworkMessage_decodePayload(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst);

UA_StatusCode
UA_NetworkMessage_decodeFooters(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst);

UA_StatusCode
UA_NetworkMessage_decodeBinary(const UA_ByteString *src, size_t *offset,
                               UA_NetworkMessage* dst);


UA_StatusCode
UA_NetworkMessageHeader_decodeBinary(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst);

size_t
UA_NetworkMessage_calcSizeBinary(UA_NetworkMessage *p,
                                 UA_NetworkMessageOffsetBuffer *offsetBuffer);

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION

UA_StatusCode
UA_NetworkMessage_signEncrypt(UA_NetworkMessage *nm, UA_MessageSecurityMode securityMode,
                              UA_PubSubSecurityPolicy *policy, void *policyContext,
                              UA_Byte *messageStart, UA_Byte *encryptStart,
                              UA_Byte *sigStart);
#endif

void
UA_NetworkMessage_clear(UA_NetworkMessage* p);

#ifdef UA_ENABLE_JSON_ENCODING
UA_StatusCode
UA_NetworkMessage_encodeJson(const UA_NetworkMessage *src,
                             UA_Byte **bufPos, const UA_Byte **bufEnd, UA_String *namespaces,
                             size_t namespaceSize, UA_String *serverUris,
                             size_t serverUriSize, UA_Boolean useReversible);

size_t
UA_NetworkMessage_calcSizeJson(const UA_NetworkMessage *src,
                               UA_String *namespaces, size_t namespaceSize,
                               UA_String *serverUris, size_t serverUriSize,
                               UA_Boolean useReversible);

UA_StatusCode UA_NetworkMessage_decodeJson(UA_NetworkMessage *dst, const UA_ByteString *src);
#endif

_UA_END_DECLS


/**** amalgamated original file "/src/pubsub/ua_pubsub.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2018 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2019 Kalycito Infotech Private Limited
 * Copyright (c) 2020 Yannick Wallerer, Siemens AG
 * Copyright (c) 2020 Thomas Fischer, Siemens AG
 * Copyright (c) 2021 Fraunhofer IOSB (Author: Jan Hermes)
 */




/* The public configuration structs are defined in include/ua_plugin_pubsub.h */

_UA_BEGIN_DECLS

#ifdef UA_ENABLE_PUBSUB

struct UA_WriterGroup;
typedef struct UA_WriterGroup UA_WriterGroup;

struct UA_ReaderGroup;
typedef struct UA_ReaderGroup UA_ReaderGroup;

/**********************************************/
/*            PublishedDataSet                */
/**********************************************/

typedef struct UA_PublishedDataSet {
    UA_PublishedDataSetConfig config;
    UA_DataSetMetaDataType dataSetMetaData;
    TAILQ_HEAD(UA_ListOfDataSetField, UA_DataSetField) fields;
    UA_NodeId identifier;
    UA_UInt16 fieldSize;
    UA_UInt16 promotedFieldsCount;
    UA_UInt16 configurationFreezeCounter;
    TAILQ_ENTRY(UA_PublishedDataSet) listEntry;
    UA_Boolean configurationFrozen;
} UA_PublishedDataSet;

UA_StatusCode
UA_PublishedDataSetConfig_copy(const UA_PublishedDataSetConfig *src,
                               UA_PublishedDataSetConfig *dst);

UA_PublishedDataSet *
UA_PublishedDataSet_findPDSbyId(UA_Server *server, UA_NodeId identifier);

void
UA_PublishedDataSet_clear(UA_Server *server,
                          UA_PublishedDataSet *publishedDataSet);

/**********************************************/
/*               Connection                   */
/**********************************************/

typedef struct UA_PubSubConnection {
    UA_PubSubComponentEnumType componentType;
    UA_PubSubConnectionConfig *config;
    UA_PubSubChannel *channel;
    UA_NodeId identifier;
    LIST_HEAD(UA_ListOfWriterGroup, UA_WriterGroup) writerGroups;
    size_t writerGroupsSize;
    LIST_HEAD(UA_ListOfPubSubReaderGroup, UA_ReaderGroup) readerGroups;
    size_t readerGroupsSize;
    TAILQ_ENTRY(UA_PubSubConnection) listEntry;
    UA_UInt16 configurationFreezeCounter;
    UA_Boolean isRegistered; /* Subscriber requires connection channel regist */
    UA_Boolean configurationFrozen;
} UA_PubSubConnection;

UA_StatusCode
UA_PubSubConnectionConfig_copy(const UA_PubSubConnectionConfig *src,
                               UA_PubSubConnectionConfig *dst);

UA_PubSubConnection *
UA_PubSubConnection_findConnectionbyId(UA_Server *server,
                                       UA_NodeId connectionIdentifier);

void
UA_PubSubConnectionConfig_clear(UA_PubSubConnectionConfig *connectionConfig);

void
UA_PubSubConnection_clear(UA_Server *server, UA_PubSubConnection *connection);

/* Register channel for given connectionIdentifier */
UA_StatusCode
UA_PubSubConnection_regist(UA_Server *server, UA_NodeId *connectionIdentifier);

/* Process Network Message for a ReaderGroup. But we the ReaderGroup needs to be
 * identified first. */
UA_StatusCode
UA_Server_processNetworkMessage(UA_Server *server,
                                UA_PubSubConnection *connection,
                                UA_NetworkMessage *msg);

/**********************************************/
/*              DataSetWriter                 */
/**********************************************/

#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
typedef struct UA_DataSetWriterSample {
    UA_Boolean valueChanged;
    UA_DataValue value;
} UA_DataSetWriterSample;
#endif

typedef struct UA_DataSetWriter {
    UA_PubSubComponentEnumType componentType;
    UA_DataSetWriterConfig config;
    LIST_ENTRY(UA_DataSetWriter) listEntry;
    UA_NodeId identifier;
    UA_NodeId linkedWriterGroup;
    UA_NodeId connectedDataSet;
    UA_ConfigurationVersionDataType connectedDataSetVersion;
    UA_PubSubState state;
#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
    UA_UInt16 deltaFrameCounter; /* count of sent deltaFrames */
    size_t lastSamplesCount;
    UA_DataSetWriterSample *lastSamples;
#endif
    UA_UInt16 actualDataSetMessageSequenceCount;
    UA_Boolean configurationFrozen;
} UA_DataSetWriter;

UA_StatusCode
UA_DataSetWriterConfig_copy(const UA_DataSetWriterConfig *src,
                            UA_DataSetWriterConfig *dst);

UA_DataSetWriter *
UA_DataSetWriter_findDSWbyId(UA_Server *server, UA_NodeId identifier);

UA_StatusCode
UA_DataSetWriter_setPubSubState(UA_Server *server, UA_PubSubState state,
                                UA_DataSetWriter *dataSetWriter);

UA_StatusCode
UA_DataSetWriter_generateDataSetMessage(UA_Server *server,
                                        UA_DataSetMessage *dataSetMessage,
                                        UA_DataSetWriter *dataSetWriter);

UA_StatusCode
UA_DataSetWriter_remove(UA_Server *server, UA_WriterGroup *linkedWriterGroup,
                        UA_DataSetWriter *dataSetWriter);

/**********************************************/
/*               WriterGroup                  */
/**********************************************/

struct UA_WriterGroup {
    UA_PubSubComponentEnumType componentType;
    UA_WriterGroupConfig config;
    LIST_ENTRY(UA_WriterGroup) listEntry;
    UA_NodeId identifier;
    UA_PubSubConnection *linkedConnection;
    LIST_HEAD(UA_ListOfDataSetWriter, UA_DataSetWriter) writers;
    UA_UInt32 writersCount;
    UA_UInt64 publishCallbackId;
    UA_Boolean publishCallbackIsRegistered;
    UA_PubSubState state;
    UA_NetworkMessageOffsetBuffer bufferedMessage;
    UA_UInt16 sequenceNumber; /* Increased after every succressuly sent message */
    UA_Boolean configurationFrozen;

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    UA_UInt32 securityTokenId;
    UA_UInt32 nonceSequenceNumber; /* To be part of the MessageNonce */
    void *securityPolicyContext;
#endif
};

UA_StatusCode
UA_WriterGroupConfig_copy(const UA_WriterGroupConfig *src,
                          UA_WriterGroupConfig *dst);

UA_WriterGroup *
UA_WriterGroup_findWGbyId(UA_Server *server, UA_NodeId identifier);

UA_StatusCode
UA_WriterGroup_setPubSubState(UA_Server *server, UA_PubSubState state,
                              UA_WriterGroup *writerGroup);

/**********************************************/
/*               DataSetField                 */
/**********************************************/

typedef struct UA_DataSetField {
    UA_DataSetFieldConfig config;
    TAILQ_ENTRY(UA_DataSetField) listEntry;
    UA_NodeId identifier;
    UA_NodeId publishedDataSet;     /* parent pds */
    UA_FieldMetaData fieldMetaData; /* contains the dataSetFieldId */
    UA_UInt64 sampleCallbackId;
    UA_Boolean sampleCallbackIsRegistered;
    UA_Boolean configurationFrozen;
} UA_DataSetField;

UA_StatusCode
UA_DataSetFieldConfig_copy(const UA_DataSetFieldConfig *src,
                           UA_DataSetFieldConfig *dst);

UA_DataSetField *
UA_DataSetField_findDSFbyId(UA_Server *server, UA_NodeId identifier);

/**********************************************/
/*               DataSetReader                */
/**********************************************/

/* DataSetReader Type definition */
typedef struct UA_DataSetReader {
    UA_PubSubComponentEnumType componentType;
    UA_DataSetReaderConfig config;
    UA_NodeId identifier;
    UA_NodeId linkedReaderGroup;
    LIST_ENTRY(UA_DataSetReader) listEntry;

    UA_PubSubState state; /* non std */
    UA_Boolean configurationFrozen;
    UA_NetworkMessageOffsetBuffer bufferedMessage;

#ifdef UA_ENABLE_PUBSUB_MONITORING
    /* MessageReceiveTimeout handling */
    UA_ServerCallback msgRcvTimeoutTimerCallback;
    UA_UInt64 msgRcvTimeoutTimerId;
    UA_Boolean msgRcvTimeoutTimerRunning;
#endif
} UA_DataSetReader;

/* Process Network Message using DataSetReader */
void
UA_DataSetReader_process(UA_Server *server,
                         UA_ReaderGroup *readerGroup,
                         UA_DataSetReader *dataSetReader,
                         UA_DataSetMessage *dataSetMsg);

/* Copy the configuration of DataSetReader */
UA_StatusCode UA_DataSetReaderConfig_copy(const UA_DataSetReaderConfig *src,
                                          UA_DataSetReaderConfig *dst);

/* Clear the configuration of a DataSetReader */
void UA_DataSetReaderConfig_clear(UA_DataSetReaderConfig *cfg);

/* Copy the configuration of Target Variables */
UA_StatusCode UA_TargetVariables_copy(const UA_TargetVariables *src,
                                      UA_TargetVariables *dst);

/* Clear the Target Variables configuration */
void UA_TargetVariables_clear(UA_TargetVariables *subscribedDataSetTarget);

/* Copy the configuration of Field Target Variables */
UA_StatusCode UA_FieldTargetVariable_copy(const UA_FieldTargetVariable *src,
                                          UA_FieldTargetVariable *dst);

UA_StatusCode
UA_DataSetReader_setPubSubState(UA_Server *server, UA_PubSubState state,
                                UA_DataSetReader *dataSetReader);

#ifdef UA_ENABLE_PUBSUB_MONITORING
/* Check if DataSetReader has a message receive timeout */
void
UA_DataSetReader_checkMessageReceiveTimeout(UA_Server *server,
                                            UA_DataSetReader *dataSetReader);

/* DataSetReader MessageReceiveTimeout callback for generic PubSub component
 * timeout handling */
void
UA_DataSetReader_handleMessageReceiveTimeout(UA_Server *server,
                                             void *dataSetReader);
#endif /* UA_ENABLE_PUBSUB_MONITORING */

UA_StatusCode
UA_DataSetReader_generateNetworkMessage(UA_PubSubConnection *pubSubConnection,
                                        UA_DataSetReader *dataSetReader,
                                        UA_DataSetMessage *dsm, UA_UInt16 *writerId,
                                        UA_Byte dsmCount, UA_NetworkMessage *nm);

UA_StatusCode
UA_DataSetReader_generateDataSetMessage(UA_Server *server,
                                        UA_DataSetMessage *dataSetMessage,
                                        UA_DataSetReader *dataSetReader);

/**********************************************/
/*                ReaderGroup                 */
/**********************************************/

struct UA_ReaderGroup {
    UA_PubSubComponentEnumType componentType;
    UA_ReaderGroupConfig config;
    UA_NodeId identifier;
    UA_NodeId linkedConnection;
    LIST_ENTRY(UA_ReaderGroup) listEntry;
    LIST_HEAD(UA_ListOfPubSubDataSetReader, UA_DataSetReader) readers;
    /* for simplified information access */
    UA_UInt32 readersCount;
    UA_UInt64 subscribeCallbackId;
    UA_PubSubState state;
    UA_Boolean configurationFrozen;

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    UA_UInt32 securityTokenId;
    UA_UInt32 nonceSequenceNumber; /* To be part of the MessageNonce */
    void *securityPolicyContext;
#endif
};

UA_StatusCode
UA_ReaderGroupConfig_copy(const UA_ReaderGroupConfig *src,
                          UA_ReaderGroupConfig *dst);

/* Prototypes for internal util functions - some functions maybe removed later
 * (currently moved from public to internal) */
UA_ReaderGroup *
UA_ReaderGroup_findRGbyId(UA_Server *server, UA_NodeId identifier);

UA_DataSetReader *
UA_ReaderGroup_findDSRbyId(UA_Server *server, UA_NodeId identifier);

UA_StatusCode
UA_ReaderGroup_setPubSubState(UA_Server *server, UA_PubSubState state,
                              UA_ReaderGroup *readerGroup);

/*********************************************************/
/*               PublishValues handling                  */
/*********************************************************/

UA_StatusCode
UA_WriterGroup_addPublishCallback(UA_Server *server, UA_WriterGroup *writerGroup);

void
UA_WriterGroup_publishCallback(UA_Server *server, UA_WriterGroup *writerGroup);

/*********************************************************/
/*               SubscribeValues handling                */
/*********************************************************/

UA_StatusCode
UA_ReaderGroup_addSubscribeCallback(UA_Server *server, UA_ReaderGroup *readerGroup);

void
UA_ReaderGroup_removeSubscribeCallback(UA_Server *server, UA_ReaderGroup *readerGroup);

void
UA_ReaderGroup_subscribeCallback(UA_Server *server, UA_ReaderGroup *readerGroup);

/*********************************************************/
/*               Reading Message handling                */
/*********************************************************/

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
UA_StatusCode
verifyAndDecrypt(const UA_Logger *logger, UA_ByteString *buffer,
                 const size_t *currentPosition, const UA_NetworkMessage *nm,
                 UA_Boolean doValidate, UA_Boolean doDecrypt,
                 void *channelContext, UA_PubSubSecurityPolicy *securityPolicy);

UA_StatusCode
verifyAndDecryptNetworkMessage(const UA_Logger *logger, UA_ByteString *buffer,
                               size_t *currentPosition, UA_NetworkMessage *nm,
                               UA_ReaderGroup *readerGroup);
#endif

/* Takes a value (and not a pointer) to the buffer. The original buffer is
   const. Internally we may adjust the length during decryption. */
UA_StatusCode
decodeNetworkMessage(UA_Server *server, UA_ByteString *buffer, size_t *pos,
                     UA_NetworkMessage *nm, UA_PubSubConnection *connection);

UA_StatusCode
receiveBufferedNetworkMessage(UA_Server *server, UA_ReaderGroup *readerGroup,
                              UA_PubSubConnection *connection);

#endif /* UA_ENABLE_PUBSUB */

_UA_END_DECLS


/**** amalgamated original file "/src/pubsub/ua_pubsub_manager.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2019 Fraunhofer IOSB (Author: Andreas Ebner)
 */




_UA_BEGIN_DECLS

#ifdef UA_ENABLE_PUBSUB /* conditional compilation */

typedef struct UA_PubSubManager {
    /* Connections and PublishedDataSets can exist alone (own lifecycle) -> top
     * level components */
    size_t connectionsSize;
    TAILQ_HEAD(UA_ListOfPubSubConnection, UA_PubSubConnection) connections;

    size_t publishedDataSetsSize;
    TAILQ_HEAD(UA_ListOfPublishedDataSet, UA_PublishedDataSet) publishedDataSets;

#ifndef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    UA_UInt32 uniqueIdCount;
#endif
} UA_PubSubManager;

void
UA_PubSubManager_delete(UA_Server *server, UA_PubSubManager *pubSubManager);

#ifndef UA_ENABLE_PUBSUB_INFORMATIONMODEL
void
UA_PubSubManager_generateUniqueNodeId(UA_PubSubManager *psm, UA_NodeId *nodeId);
#endif

UA_Guid
UA_PubSubManager_generateUniqueGuid(UA_Server *server);

UA_UInt32
UA_PubSubConfigurationVersionTimeDifference(void);

/***********************************/
/*      PubSub Jobs abstraction    */
/***********************************/
UA_StatusCode
UA_PubSubManager_addRepeatedCallback(UA_Server *server, UA_ServerCallback callback,
                                     void *data, UA_Double interval_ms, UA_DateTime *baseTime,
                                     UA_TimerPolicy timerPolicy, UA_UInt64 *callbackId);
UA_StatusCode
UA_PubSubManager_changeRepeatedCallback(UA_Server *server, UA_UInt64 callbackId,
                                        UA_Double interval_ms, UA_DateTime *baseTime,
                                        UA_TimerPolicy timerPolicy);
void
UA_PubSubManager_removeRepeatedPubSubCallback(UA_Server *server, UA_UInt64 callbackId);

/*************************************************/
/*      PubSub component monitoring              */
/*************************************************/

#ifdef UA_ENABLE_PUBSUB_MONITORING

UA_StatusCode
UA_PubSubManager_setDefaultMonitoringCallbacks(UA_PubSubMonitoringInterface *monitoringInterface);

#endif /* UA_ENABLE_PUBSUB_MONITORING */

#endif /* UA_ENABLE_PUBSUB */

_UA_END_DECLS


/**** amalgamated original file "/src/pubsub/ua_pubsub_ns0.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2018 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2019 Kalycito Infotech Private Limited
 */

#ifndef UA_PUBSUB_NS0_H_
#define UA_PUBSUB_NS0_H_


_UA_BEGIN_DECLS

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL /* conditional compilation */

UA_StatusCode
UA_Server_initPubSubNS0(UA_Server *server);

UA_StatusCode
addPubSubConnectionRepresentation(UA_Server *server, UA_PubSubConnection *connection);

UA_StatusCode
removePubSubConnectionRepresentation(UA_Server *server, UA_PubSubConnection *connection);

UA_StatusCode
addWriterGroupRepresentation(UA_Server *server, UA_WriterGroup *writerGroup);

UA_StatusCode
addReaderGroupRepresentation(UA_Server *server, UA_ReaderGroup *readerGroup);

UA_StatusCode
removeGroupRepresentation(UA_Server *server, UA_WriterGroup *writerGroup);

UA_StatusCode
addDataSetWriterRepresentation(UA_Server *server, UA_DataSetWriter *dataSetWriter);

UA_StatusCode
removeDataSetWriterRepresentation(UA_Server *server, UA_DataSetWriter *dataSetWriter);

UA_StatusCode
addPublishedDataItemsRepresentation(UA_Server *server, UA_PublishedDataSet *publishedDataSet);

UA_StatusCode
removePublishedDataSetRepresentation(UA_Server *server, UA_PublishedDataSet *publishedDataSet);

UA_StatusCode
addDataSetReaderRepresentation(UA_Server *server, UA_DataSetReader *dataSetReader);

UA_StatusCode
removeDataSetReaderRepresentation(UA_Server *server, UA_DataSetReader *dataSetReader);

UA_StatusCode
removeReaderGroupRepresentation(UA_Server *server, UA_ReaderGroup *readerGroup);

#endif /* UA_ENABLE_PUBSUB_INFORMATIONMODEL */

_UA_END_DECLS

#endif /* UA_PUBSUB_NS0_H_ */

/**** amalgamated original file "/src/server/ua_server_async.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
  *    Copyright 2019 (c) Fraunhofer IOSB (Author: Klaus Schick)
 * based on
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2017 (c) Florian Palm
 *    Copyright 2015 (c) Sten Grüner
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */




_UA_BEGIN_DECLS

#if UA_MULTITHREADING >= 100

struct UA_AsyncResponse;
typedef struct UA_AsyncResponse UA_AsyncResponse;

/* A single operation (of a larger request) */
typedef struct UA_AsyncOperation {
    TAILQ_ENTRY(UA_AsyncOperation) pointers;
    UA_CallMethodRequest request;
    UA_CallMethodResult	response;
    size_t index;             /* Index of the operation in the array of ops in
                               * request/response */
    UA_AsyncResponse *parent; /* Always non-NULL. The parent is only removed
                               * when its operations are removed */
} UA_AsyncOperation;

struct UA_AsyncResponse {
    TAILQ_ENTRY(UA_AsyncResponse) pointers; /* Insert new at the end */
    UA_UInt32 requestId;
    UA_NodeId sessionId;
    UA_UInt32 requestHandle;
    UA_DateTime	timeout;
    UA_AsyncOperationType operationType;
    union {
        UA_CallResponse callResponse;
        UA_ReadResponse readResponse;
        UA_WriteResponse writeResponse;
    } response;
    UA_UInt32 opCountdown; /* Counter for outstanding operations. The AR can
                            * only be deleted when all have returned. */
};

typedef TAILQ_HEAD(UA_AsyncOperationQueue, UA_AsyncOperation) UA_AsyncOperationQueue;

typedef struct {
    /* Requests / Responses */
    TAILQ_HEAD(, UA_AsyncResponse) asyncResponses;
    size_t asyncResponsesCount;

    /* Operations for the workers. The queues are all FIFO: Put in at the tail,
     * take out at the head.*/
    UA_Lock queueLock;
    UA_AsyncOperationQueue newQueue;        /* New operations for the workers */    
    UA_AsyncOperationQueue dispatchedQueue; /* Operations taken by a worker. When a result is
                                             * returned, we search for the op here to see if it
                                             * is still "alive" (not timed out). */
    UA_AsyncOperationQueue resultQueue;     /* Results to be integrated */
    size_t opsCount; /* How many operations are transient (in one of the three queues)? */

    UA_UInt64 checkTimeoutCallbackId; /* Registered repeated callbacks */
} UA_AsyncManager;

void UA_AsyncManager_init(UA_AsyncManager *am, UA_Server *server);
void UA_AsyncManager_clear(UA_AsyncManager *am, UA_Server *server);

UA_StatusCode
UA_AsyncManager_createAsyncResponse(UA_AsyncManager *am, UA_Server *server,
                                    const UA_NodeId *sessionId,
                                    const UA_UInt32 requestId,
                                    const UA_UInt32 requestHandle,
                                    const UA_AsyncOperationType operationType,
                                    UA_AsyncResponse **outAr);

/* Only remove the AsyncResponse when the operation count is zero */
void
UA_AsyncManager_removeAsyncResponse(UA_AsyncManager *am, UA_AsyncResponse *ar);

UA_StatusCode
UA_AsyncManager_createAsyncOp(UA_AsyncManager *am, UA_Server *server,
                              UA_AsyncResponse *ar, size_t opIndex,
                              const UA_CallMethodRequest *opRequest);

typedef void (*UA_AsyncServiceOperation)(UA_Server *server, UA_Session *session,
                                         UA_UInt32 requestId, UA_UInt32 requestHandle,
                                         size_t opIndex, const void *requestOperation,
                                         void *responseOperation, UA_AsyncResponse **ar);

/* Creates an AsyncResponse in-situ when an async operation is encountered. If
 * that is the case, the sync responses are moved to the AsyncResponse. */
UA_StatusCode
UA_Server_processServiceOperationsAsync(UA_Server *server, UA_Session *session,
                                        UA_UInt32 requestId, UA_UInt32 requestHandle,
                                        UA_AsyncServiceOperation operationCallback,
                                        const size_t *requestOperations,
                                        const UA_DataType *requestOperationsType,
                                        size_t *responseOperations,
                                        const UA_DataType *responseOperationsType,
                                        UA_AsyncResponse **ar)
UA_FUNC_ATTR_WARN_UNUSED_RESULT;

#endif /* UA_MULTITHREADING >= 100 */

_UA_END_DECLS


/**** amalgamated original file "/src/server/ua_server_internal.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2019 (c) Fraunhofer IOSB (Author: Klaus Schick)
 *    Copyright 2014-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */




_UA_BEGIN_DECLS

#if UA_MULTITHREADING >= 100
#undef UA_THREADSAFE
#define UA_THREADSAFE UA_DEPRECATED
#endif

#ifdef UA_ENABLE_PUBSUB
#endif

#ifdef UA_ENABLE_DISCOVERY
#endif

#ifdef UA_ENABLE_SUBSCRIPTIONS

typedef struct {
    UA_MonitoredItem monitoredItem;
    void *context;
    union {
        UA_Server_DataChangeNotificationCallback dataChangeCallback;
        /* UA_Server_EventNotificationCallback eventCallback; */
    } callback;
} UA_LocalMonitoredItem;

#endif

typedef enum {
    UA_DIAGNOSTICEVENT_CLOSE,
    UA_DIAGNOSTICEVENT_REJECT,
    UA_DIAGNOSTICEVENT_SECURITYREJECT,
    UA_DIAGNOSTICEVENT_TIMEOUT,
    UA_DIAGNOSTICEVENT_ABORT,
    UA_DIAGNOSTICEVENT_PURGE
} UA_DiagnosticEvent;

typedef struct channel_entry {
    UA_TimerEntry cleanupCallback;
    TAILQ_ENTRY(channel_entry) pointers;
    UA_SecureChannel channel;
} channel_entry;

typedef struct session_list_entry {
    UA_TimerEntry cleanupCallback;
    LIST_ENTRY(session_list_entry) pointers;
    UA_Session session;
} session_list_entry;

typedef enum {
    UA_SERVERLIFECYCLE_FRESH,
    UA_SERVERLIFECYLE_RUNNING
} UA_ServerLifecycle;

struct UA_Server {
    /* Config */
    UA_ServerConfig config;
    UA_DateTime startTime;
    UA_DateTime endTime; /* Zeroed out. If a time is set, then the server shuts
                          * down once the time has been reached */

    UA_ServerLifecycle state;

    /* SecureChannels */
    TAILQ_HEAD(, channel_entry) channels;
    UA_UInt32 lastChannelId;
    UA_UInt32 lastTokenId;

#if UA_MULTITHREADING >= 100
    UA_AsyncManager asyncManager;
#endif

    /* Session Management */
    LIST_HEAD(session_list, session_list_entry) sessions;
    UA_UInt32 sessionCount;
    UA_UInt32 activeSessionCount;
    UA_Session adminSession; /* Local access to the services (for startup and
                              * maintenance) uses this Session with all possible
                              * access rights (Session Id: 1) */

    /* Namespaces */
    size_t namespacesSize;
    UA_String *namespaces;

    /* Callbacks with a repetition interval */
    UA_Timer timer;

    /* For bootstrapping, omit some consistency checks, creating a reference to
     * the parent and member instantiation */
    UA_Boolean bootstrapNS0;

    /* Discovery */
#ifdef UA_ENABLE_DISCOVERY
    UA_DiscoveryManager discoveryManager;
#endif

    /* Subscriptions */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    size_t subscriptionsSize;  /* Number of active subscriptions */
    size_t monitoredItemsSize; /* Number of active monitored items */
    LIST_HEAD(, UA_Subscription) subscriptions; /* All subscriptions in the
                                                 * server. They may be detached
                                                 * from a session. */
    UA_UInt32 lastSubscriptionId; /* To generate unique SubscriptionIds */

    /* To be cast to UA_LocalMonitoredItem to get the callback and context */
    LIST_HEAD(, UA_MonitoredItem) localMonitoredItems;
    UA_UInt32 lastLocalMonitoredItemId;

# ifdef UA_ENABLE_SUBSCRIPTIONS_ALARMS_CONDITIONS
    LIST_HEAD(, UA_ConditionSource) conditionSources;
# endif

#endif

    /* Publish/Subscribe */
#ifdef UA_ENABLE_PUBSUB
    UA_PubSubManager pubSubManager;
#endif

#if UA_MULTITHREADING >= 100
    UA_Lock networkMutex;
    UA_Lock serviceMutex;
#endif

    /* Statistics */
    UA_NetworkStatistics networkStatistics;
    UA_SecureChannelStatistics secureChannelStatistics;
    UA_ServerDiagnosticsSummaryDataType serverDiagnosticsSummary;
};

/***********************/
/* References Handling */
/***********************/

extern const struct aa_head refNameTree;

const UA_ReferenceTarget *
UA_NodeReferenceKind_findTarget(const UA_NodeReferenceKind *rk,
                                const UA_ExpandedNodeId *targetId);

/**************************/
/* SecureChannel Handling */
/**************************/

/* Remove all securechannels */
void
UA_Server_deleteSecureChannels(UA_Server *server);

/* Remove timed out securechannels with a delayed callback. So all currently
 * scheduled jobs with a pointer to a securechannel can finish first. */
void
UA_Server_cleanupTimedOutSecureChannels(UA_Server *server, UA_DateTime nowMonotonic);

UA_StatusCode
UA_Server_createSecureChannel(UA_Server *server, UA_Connection *connection);

UA_StatusCode
UA_Server_configSecureChannel(void *application, UA_SecureChannel *channel,
                              const UA_AsymmetricAlgorithmSecurityHeader *asymHeader);

UA_StatusCode
sendServiceFault(UA_SecureChannel *channel, UA_UInt32 requestId,
                 UA_UInt32 requestHandle, UA_StatusCode statusCode);

void
UA_Server_closeSecureChannel(UA_Server *server, UA_SecureChannel *channel,
                             UA_DiagnosticEvent event);

/* Gets the a pointer to the context of a security policy supported by the
 * server matched by the security policy uri. */
UA_SecurityPolicy *
getSecurityPolicyByUri(const UA_Server *server,
                       const UA_ByteString *securityPolicyUri);


/********************/
/* Session Handling */
/********************/

UA_StatusCode
getNamespaceByName(UA_Server *server, const UA_String namespaceUri,
                   size_t *foundIndex);

UA_StatusCode
getNamespaceByIndex(UA_Server *server, const size_t namespaceIndex,
                    UA_String *foundUri);

UA_StatusCode
getBoundSession(UA_Server *server, const UA_SecureChannel *channel,
                const UA_NodeId *token, UA_Session **session);

UA_StatusCode
UA_Server_createSession(UA_Server *server, UA_SecureChannel *channel,
                        const UA_CreateSessionRequest *request, UA_Session **session);

void
UA_Server_removeSession(UA_Server *server, session_list_entry *sentry,
                        UA_DiagnosticEvent event);

UA_StatusCode
UA_Server_removeSessionByToken(UA_Server *server, const UA_NodeId *token,
                               UA_DiagnosticEvent event);

void
UA_Server_cleanupSessions(UA_Server *server, UA_DateTime nowMonotonic);

UA_Session *
getSessionByToken(UA_Server *server, const UA_NodeId *token);

UA_Session *
UA_Server_getSessionById(UA_Server *server, const UA_NodeId *sessionId);

/*****************/
/* Node Handling */
/*****************/

/* Calls the callback with the node retrieved from the nodestore on top of the
 * stack. Either a copy or the original node for in-situ editing. Depends on
 * multithreading and the nodestore.*/
typedef UA_StatusCode (*UA_EditNodeCallback)(UA_Server*, UA_Session*,
                                             UA_Node *node, void*);
UA_StatusCode UA_Server_editNode(UA_Server *server, UA_Session *session,
                                 const UA_NodeId *nodeId,
                                 UA_EditNodeCallback callback,
                                 void *data);

/*********************/
/* Utility Functions */
/*********************/

void setupNs1Uri(UA_Server *server);
UA_UInt16 addNamespace(UA_Server *server, const UA_String name);

UA_Boolean
UA_Node_hasSubTypeOrInstances(const UA_NodeHead *head);

/* Recursively searches "upwards" in the tree following specific reference types */
UA_Boolean
isNodeInTree(UA_Server *server, const UA_NodeId *leafNode,
             const UA_NodeId *nodeToFind, const UA_ReferenceTypeSet *relevantRefs);

/* Convenience function with just a single ReferenceTypeIndex */
UA_Boolean
isNodeInTree_singleRef(UA_Server *server, const UA_NodeId *leafNode,
                       const UA_NodeId *nodeToFind, const UA_Byte relevantRefTypeIndex);

/* Returns an array with the hierarchy of nodes. The start nodes can be returned
 * as well. The returned array starts at the leaf and continues "upwards" or
 * "downwards". Duplicate entries are removed. */
UA_StatusCode
browseRecursive(UA_Server *server, size_t startNodesSize, const UA_NodeId *startNodes,
                UA_BrowseDirection browseDirection, const UA_ReferenceTypeSet *refTypes,
                UA_UInt32 nodeClassMask, UA_Boolean includeStartNodes,
                size_t *resultsSize, UA_ExpandedNodeId **results);

/* Get the bitfield indices of a ReferenceType and possibly its subtypes.
 * refType must point to a ReferenceTypeNode. */
UA_StatusCode
referenceTypeIndices(UA_Server *server, const UA_NodeId *refType,
                     UA_ReferenceTypeSet *indices, UA_Boolean includeSubtypes);

/* Returns the recursive type and interface hierarchy of the node */ 
UA_StatusCode
getParentTypeAndInterfaceHierarchy(UA_Server *server, const UA_NodeId *typeNode,
                                   UA_NodeId **typeHierarchy, size_t *typeHierarchySize);

/* Returns the recursive interface hierarchy of the node */
UA_StatusCode
getAllInterfaceChildNodeIds(UA_Server *server, const UA_NodeId *objectNode, const UA_NodeId *objectTypeNode,
                                   UA_NodeId **interfaceChildNodes, size_t *interfaceChildNodesSize);

#ifdef UA_ENABLE_SUBSCRIPTIONS_ALARMS_CONDITIONS

UA_StatusCode
UA_getConditionId(UA_Server *server, const UA_NodeId *conditionNodeId,
                  UA_NodeId *outConditionId);

void
UA_ConditionList_delete(UA_Server *server);

UA_Boolean
isConditionOrBranch(UA_Server *server,
                    const UA_NodeId *condition,
                    const UA_NodeId *conditionSource,
                    UA_Boolean *isCallerAC);

#endif /* UA_ENABLE_SUBSCRIPTIONS_ALARMS_CONDITIONS */

/* Returns the type node from the node on the stack top. The type node is pushed
 * on the stack and returned. */
const UA_Node *
getNodeType(UA_Server *server, const UA_NodeHead *nodeHead);

UA_StatusCode
sendResponse(UA_Server *server, UA_Session *session, UA_SecureChannel *channel,
             UA_UInt32 requestId, UA_Response *response, const UA_DataType *responseType);

/* Many services come as an array of operations. This function generalizes the
 * processing of the operations. */
typedef void (*UA_ServiceOperation)(UA_Server *server, UA_Session *session,
                                    const void *context,
                                    const void *requestOperation,
                                    void *responseOperation);

UA_StatusCode
UA_Server_processServiceOperations(UA_Server *server, UA_Session *session,
                                   UA_ServiceOperation operationCallback,
                                   const void *context,
                                   const size_t *requestOperations,
                                   const UA_DataType *requestOperationsType,
                                   size_t *responseOperations,
                                   const UA_DataType *responseOperationsType)
    UA_FUNC_ATTR_WARN_UNUSED_RESULT;

/******************************************/
/* Internal function calls, without locks */
/******************************************/
UA_StatusCode
deleteNode(UA_Server *server, const UA_NodeId nodeId,
           UA_Boolean deleteReferences);

UA_StatusCode
addNode(UA_Server *server, const UA_NodeClass nodeClass, const UA_NodeId *requestedNewNodeId,
        const UA_NodeId *parentNodeId, const UA_NodeId *referenceTypeId,
        const UA_QualifiedName browseName, const UA_NodeId *typeDefinition,
        const UA_NodeAttributes *attr, const UA_DataType *attributeType,
        void *nodeContext, UA_NodeId *outNewNodeId);

UA_StatusCode
addRef(UA_Server *server, UA_Session *session, const UA_NodeId *sourceId,
       const UA_NodeId *referenceTypeId, const UA_NodeId *targetId,
       UA_Boolean forward);

UA_StatusCode
setVariableNode_dataSource(UA_Server *server, const UA_NodeId nodeId,
                           const UA_DataSource dataSource);

UA_StatusCode
writeAttribute(UA_Server *server, UA_Session *session,
               const UA_NodeId *nodeId, const UA_AttributeId attributeId,
               const void *attr, const UA_DataType *attr_type);

static UA_INLINE UA_StatusCode
writeValueAttribute(UA_Server *server, UA_Session *session,
                    const UA_NodeId *nodeId, const UA_Variant *value) {
    return writeAttribute(server, session, nodeId, UA_ATTRIBUTEID_VALUE,
                          value, &UA_TYPES[UA_TYPES_VARIANT]);
}

UA_DataValue
readAttribute(UA_Server *server, const UA_ReadValueId *item,
              UA_TimestampsToReturn timestamps);

UA_StatusCode
readWithReadValue(UA_Server *server, const UA_NodeId *nodeId,
                  const UA_AttributeId attributeId, void *v);

UA_StatusCode
readObjectProperty(UA_Server *server, const UA_NodeId objectId,
                   const UA_QualifiedName propertyName,
                   UA_Variant *value);

UA_BrowsePathResult
translateBrowsePathToNodeIds(UA_Server *server, const UA_BrowsePath *browsePath);

#ifdef UA_ENABLE_SUBSCRIPTIONS

void monitoredItem_sampleCallback(UA_Server *server, UA_MonitoredItem *monitoredItem);

UA_Subscription *
UA_Server_getSubscriptionById(UA_Server *server, UA_UInt32 subscriptionId);

#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
UA_StatusCode
triggerEvent(UA_Server *server, const UA_NodeId eventNodeId,
             const UA_NodeId origin, UA_ByteString *outEventId,
             const UA_Boolean deleteEventNode);

/* Filters the given event with the given filter and writes the results into a
 * notification */
UA_StatusCode
filterEvent(UA_Server *server, UA_Session *session,
            const UA_NodeId *eventNode, UA_EventFilter *filter,
            UA_EventFieldList *efl, UA_EventFilterResult *result);

#endif /* UA_ENABLE_SUBSCRIPTIONS_EVENTS */
#endif /* UA_ENABLE_SUBSCRIPTIONS */

UA_BrowsePathResult
browseSimplifiedBrowsePath(UA_Server *server, const UA_NodeId origin,
                           size_t browsePathSize, const UA_QualifiedName *browsePath);

UA_StatusCode
writeObjectProperty(UA_Server *server, const UA_NodeId objectId,
                    const UA_QualifiedName propertyName, const UA_Variant value);

UA_StatusCode
getNodeContext(UA_Server *server, UA_NodeId nodeId, void **nodeContext);

UA_StatusCode
setNodeContext(UA_Server *server, UA_NodeId nodeId, void *nodeContext);

void
removeCallback(UA_Server *server, UA_UInt64 callbackId);

UA_StatusCode
changeRepeatedCallbackInterval(UA_Server *server, UA_UInt64 callbackId, UA_Double interval_ms);

UA_StatusCode
addRepeatedCallback(UA_Server *server, UA_ServerCallback callback,
                    void *data, UA_Double interval_ms, UA_UInt64 *callbackId);

#ifdef UA_ENABLE_DISCOVERY
UA_StatusCode
register_server_with_discovery_server(UA_Server *server,
                                      void *client,
                                      const UA_Boolean isUnregister,
                                      const char* semaphoreFilePath);
#endif

/***********/
/* RefTree */
/***********/

/* A RefTree is a sorted set of NodeIds that ensures we consider each node just
 * once. It holds a single array for both the ExpandedNodeIds and the entries of
 * a tree-structure for fast lookup. A single realloc operation (with some
 * pointer repairing) can be used to increase the capacity of the RefTree.
 *
 * When the RefTree is complete, the tree-part at the end of the targets array
 * can be ignored / cut away to use it as a simple ExpandedNodeId array.
 *
 * The layout of the targets array is as follows:
 *
 * | Targets [ExpandedNodeId, n times] | Tree [RefEntry, n times] | */

#define UA_REFTREE_INITIAL_SIZE 16

typedef struct RefEntry {
    ZIP_ENTRY(RefEntry) zipfields;
    const UA_ExpandedNodeId *target;
    UA_UInt32 targetHash; /* Hash of the target nodeid */
} RefEntry;

ZIP_HEAD(RefHead, RefEntry);
typedef struct RefHead RefHead;

typedef struct {
    UA_ExpandedNodeId *targets;
    RefHead head;
    size_t capacity; /* available space */
    size_t size;     /* used space */
} RefTree;

UA_StatusCode UA_FUNC_ATTR_WARN_UNUSED_RESULT
RefTree_init(RefTree *rt);

void RefTree_clear(RefTree *rt);

UA_StatusCode UA_FUNC_ATTR_WARN_UNUSED_RESULT
RefTree_addNodeId(RefTree *rt, const UA_NodeId *target, UA_Boolean *duplicate);

UA_Boolean
RefTree_contains(RefTree *rt, const UA_ExpandedNodeId *target);

UA_Boolean
RefTree_containsNodeId(RefTree *rt, const UA_NodeId *target);

/***************************************/
/* Check Information Model Consistency */
/***************************************/

/* Read a node attribute in the context of a "checked-out" node. So the
 * attribute will not be copied when possible. The variant then points into the
 * node and has UA_VARIANT_DATA_NODELETE set. */
void
ReadWithNode(const UA_Node *node, UA_Server *server, UA_Session *session,
             UA_TimestampsToReturn timestampsToReturn,
             const UA_ReadValueId *id, UA_DataValue *v);

UA_StatusCode
readValueAttribute(UA_Server *server, UA_Session *session,
                   const UA_VariableNode *vn, UA_DataValue *v);

/* Test whether the value matches a variable definition given by
 * - datatype
 * - valueranke
 * - array dimensions.
 * Sometimes it can be necessary to transform the content of the value, e.g.
 * byte array to bytestring or uint32 to some enum. If editableValue is non-NULL,
 * we try to create a matching variant that points to the original data.
 *
 * The reason is set whenever the return value is false */
UA_Boolean
compatibleValue(UA_Server *server, UA_Session *session, const UA_NodeId *targetDataTypeId,
                UA_Int32 targetValueRank, size_t targetArrayDimensionsSize,
                const UA_UInt32 *targetArrayDimensions, const UA_Variant *value,
                const UA_NumericRange *range, const char **reason);

/* Is the DataType compatible */
UA_Boolean
compatibleDataTypes(UA_Server *server, const UA_NodeId *dataType,
                    const UA_NodeId *constraintDataType);

/* Set to the target type if compatible */
void
adjustValueType(UA_Server *server, UA_Variant *value,
                const UA_NodeId *targetDataTypeId);

/* Is the Value compatible with the DataType? Can perform additional checks
 * compared to compatibleDataTypes. */
UA_Boolean
compatibleValueDataType(UA_Server *server, const UA_DataType *dataType,
                        const UA_NodeId *constraintDataType);


UA_Boolean
compatibleArrayDimensions(size_t constraintArrayDimensionsSize,
                          const UA_UInt32 *constraintArrayDimensions,
                          size_t testArrayDimensionsSize,
                          const UA_UInt32 *testArrayDimensions);

UA_Boolean
compatibleValueArrayDimensions(const UA_Variant *value, size_t targetArrayDimensionsSize,
                               const UA_UInt32 *targetArrayDimensions);

UA_Boolean
compatibleValueRankArrayDimensions(UA_Server *server, UA_Session *session,
                                   UA_Int32 valueRank, size_t arrayDimensionsSize);

UA_Boolean
compatibleValueRanks(UA_Int32 valueRank, UA_Int32 constraintValueRank);

struct BrowseOpts {
    UA_UInt32 maxReferences;
    UA_Boolean recursive;
};

void
Operation_Browse(UA_Server *server, UA_Session *session, const UA_UInt32 *maxrefs,
                 const UA_BrowseDescription *descr, UA_BrowseResult *result);

UA_DataValue
UA_Server_readWithSession(UA_Server *server, UA_Session *session,
                          const UA_ReadValueId *item,
                          UA_TimestampsToReturn timestampsToReturn);

/*****************************/
/* AddNodes Begin and Finish */
/*****************************/

/* Creates a new node in the nodestore. */
UA_StatusCode
AddNode_raw(UA_Server *server, UA_Session *session, void *nodeContext,
            const UA_AddNodesItem *item, UA_NodeId *outNewNodeId);

/* Check the reference to the parent node; Add references. */
UA_StatusCode
AddNode_addRefs(UA_Server *server, UA_Session *session, const UA_NodeId *nodeId,
                const UA_NodeId *parentNodeId, const UA_NodeId *referenceTypeId,
                const UA_NodeId *typeDefinitionId);

/* Type-check type-definition; Run the constructors */
UA_StatusCode
AddNode_finish(UA_Server *server, UA_Session *session, const UA_NodeId *nodeId);

/**********************/
/* Create Namespace 0 */
/**********************/

UA_StatusCode UA_Server_initNS0(UA_Server *server);

UA_StatusCode writeNs0VariableArray(UA_Server *server, UA_UInt32 id, void *v,
                      size_t length, const UA_DataType *type);

#ifdef UA_ENABLE_DIAGNOSTICS
void createSessionObject(UA_Server *server, UA_Session *session);

void createSubscriptionObject(UA_Server *server, UA_Session *session,
                              UA_Subscription *sub);

UA_StatusCode
readDiagnostics(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
                const UA_NodeId *nodeId, void *nodeContext, UA_Boolean sourceTimestamp,
                const UA_NumericRange *range, UA_DataValue *value);

UA_StatusCode
readSubscriptionDiagnosticsArray(UA_Server *server,
                                 const UA_NodeId *sessionId, void *sessionContext,
                                 const UA_NodeId *nodeId, void *nodeContext,
                                 UA_Boolean sourceTimestamp,
                                 const UA_NumericRange *range, UA_DataValue *value);

UA_StatusCode
readSessionDiagnosticsArray(UA_Server *server,
                            const UA_NodeId *sessionId, void *sessionContext,
                            const UA_NodeId *nodeId, void *nodeContext,
                            UA_Boolean sourceTimestamp,
                            const UA_NumericRange *range, UA_DataValue *value);

UA_StatusCode
readSessionSecurityDiagnostics(UA_Server *server,
                               const UA_NodeId *sessionId, void *sessionContext,
                               const UA_NodeId *nodeId, void *nodeContext,
                               UA_Boolean sourceTimestamp,
                               const UA_NumericRange *range, UA_DataValue *value);
#endif

/***************************/
/* Nodestore Access Macros */
/***************************/

#define UA_NODESTORE_NEW(server, nodeClass)                             \
    server->config.nodestore.newNode(server->config.nodestore.context, nodeClass)

#define UA_NODESTORE_DELETE(server, node)                               \
    server->config.nodestore.deleteNode(server->config.nodestore.context, node)

#define UA_NODESTORE_GET(server, nodeid)                                \
    server->config.nodestore.getNode(server->config.nodestore.context, nodeid)

/* Returns NULL if the target is an external Reference (per the ExpandedNodeId) */
const UA_Node *
UA_NODESTORE_GETFROMREF(UA_Server *server, UA_NodePointer target);

#define UA_NODESTORE_RELEASE(server, node)                              \
    server->config.nodestore.releaseNode(server->config.nodestore.context, node)

#define UA_NODESTORE_GETCOPY(server, nodeid, outnode)                      \
    server->config.nodestore.getNodeCopy(server->config.nodestore.context, \
                                         nodeid, outnode)

#define UA_NODESTORE_INSERT(server, node, addedNodeId)                    \
    server->config.nodestore.insertNode(server->config.nodestore.context, \
                                        node, addedNodeId)

#define UA_NODESTORE_REPLACE(server, node)                              \
    server->config.nodestore.replaceNode(server->config.nodestore.context, node)

#define UA_NODESTORE_REMOVE(server, nodeId)                             \
    server->config.nodestore.removeNode(server->config.nodestore.context, nodeId)

#define UA_NODESTORE_GETREFERENCETYPEID(server, index)                  \
    server->config.nodestore.getReferenceTypeId(server->config.nodestore.context, \
                                                index)

_UA_END_DECLS


/**** amalgamated original file "/src/server/ua_services.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2017 (c) Florian Palm
 *    Copyright 2015 (c) Sten Grüner
 *    Copyright 2014 (c) LEvertz
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015 (c) Christian Fimmers
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */




_UA_BEGIN_DECLS

/**
 * .. _services:
 *
 * Services
 * ========
 *
 * In OPC UA, all communication is based on service calls, each consisting of a
 * request and a response message. These messages are defined as data structures
 * with a binary encoding and listed in :ref:`generated-types`. Since all
 * Services are pre-defined in the standard, they cannot be modified by the
 * user. But you can use the :ref:`Call <method-services>` service to invoke
 * user-defined methods on the server.
 *
 * The following service signatures are internal and *not visible to users*.
 * Still, we present them here for an overview of the capabilities of OPC UA.
 * Please refer to the :ref:`client` and :ref:`server` API where the services
 * are exposed to end users. Please see part 4 of the OPC UA standard for the
 * authoritative definition of the service and their behaviour.
 *
 * Most services take as input the server, the current session and pointers to
 * the request and response structures. Possible error codes are returned as
 * part of the response. */

typedef void (*UA_Service)(UA_Server*, UA_Session*,
                           const void *request, void *response);

typedef void (*UA_ChannelService)(UA_Server*, UA_SecureChannel*,
                                  const void *request, void *response);

/**
 * Discovery Service Set
 * ---------------------
 * This Service Set defines Services used to discover the Endpoints implemented
 * by a Server and to read the security configuration for those Endpoints.
 *
 * FindServers Service
 * ^^^^^^^^^^^^^^^^^^^
 * Returns the Servers known to a Server or Discovery Server. The Client may
 * reduce the number of results returned by specifying filter criteria */
void Service_FindServers(UA_Server *server, UA_Session *session,
                         const UA_FindServersRequest *request,
                         UA_FindServersResponse *response);

/**
 * GetEndpoints Service
 * ^^^^^^^^^^^^^^^^^^^^
 * Returns the Endpoints supported by a Server and all of the configuration
 * information required to establish a SecureChannel and a Session. */
void Service_GetEndpoints(UA_Server *server, UA_Session *session,
                          const UA_GetEndpointsRequest *request,
                          UA_GetEndpointsResponse *response);

#ifdef UA_ENABLE_DISCOVERY

# ifdef UA_ENABLE_DISCOVERY_MULTICAST

/**
 * FindServersOnNetwork Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Returns the Servers known to a Discovery Server. Unlike FindServer,
 * this Service is only implemented by Discovery Servers. It additionally
 * returns servers which may have been detected through Multicast. */
void Service_FindServersOnNetwork(UA_Server *server, UA_Session *session,
                                  const UA_FindServersOnNetworkRequest *request,
                                  UA_FindServersOnNetworkResponse *response);

# endif /* UA_ENABLE_DISCOVERY_MULTICAST */

/**
 * RegisterServer
 * ^^^^^^^^^^^^^^
 * Registers a remote server in the local discovery service. */
void Service_RegisterServer(UA_Server *server, UA_Session *session,
                            const UA_RegisterServerRequest *request,
                            UA_RegisterServerResponse *response);

/**
 * RegisterServer2
 * ^^^^^^^^^^^^^^^
 * This Service allows a Server to register its DiscoveryUrls and capabilities
 * with a Discovery Server. It extends the registration information from
 * RegisterServer with information necessary for FindServersOnNetwork. */
void Service_RegisterServer2(UA_Server *server, UA_Session *session,
                            const UA_RegisterServer2Request *request,
                            UA_RegisterServer2Response *response);

#endif /* UA_ENABLE_DISCOVERY */

/**
 * SecureChannel Service Set
 * -------------------------
 * This Service Set defines Services used to open a communication channel that
 * ensures the confidentiality and Integrity of all Messages exchanged with the
 * Server.
 *
 * OpenSecureChannel Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^
 * Open or renew a SecureChannel that can be used to ensure Confidentiality and
 * Integrity for Message exchange during a Session. */
void Service_OpenSecureChannel(UA_Server *server, UA_SecureChannel* channel,
                               const UA_OpenSecureChannelRequest *request,
                               UA_OpenSecureChannelResponse *response);

/**
 * CloseSecureChannel Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to terminate a SecureChannel. */
void Service_CloseSecureChannel(UA_Server *server, UA_SecureChannel *channel);

/**
 * Session Service Set
 * -------------------
 * This Service Set defines Services for an application layer connection
 * establishment in the context of a Session.
 *
 * CreateSession Service
 * ^^^^^^^^^^^^^^^^^^^^^
 * Used by an OPC UA Client to create a Session and the Server returns two
 * values which uniquely identify the Session. The first value is the sessionId
 * which is used to identify the Session in the audit logs and in the Server's
 * address space. The second is the authenticationToken which is used to
 * associate an incoming request with a Session. */
void Service_CreateSession(UA_Server *server, UA_SecureChannel *channel,
                           const UA_CreateSessionRequest *request,
                           UA_CreateSessionResponse *response);

/**
 * ActivateSession
 * ^^^^^^^^^^^^^^^
 * Used by the Client to submit its SoftwareCertificates to the Server for
 * validation and to specify the identity of the user associated with the
 * Session. This Service request shall be issued by the Client before it issues
 * any other Service request after CreateSession. Failure to do so shall cause
 * the Server to close the Session. */
void Service_ActivateSession(UA_Server *server, UA_SecureChannel *channel,
                             const UA_ActivateSessionRequest *request,
                             UA_ActivateSessionResponse *response);

/**
 * CloseSession
 * ^^^^^^^^^^^^
 * Used to terminate a Session. */
void Service_CloseSession(UA_Server *server, UA_SecureChannel *channel,
                          const UA_CloseSessionRequest *request,
                          UA_CloseSessionResponse *response);

/**
 * Cancel Service
 * ^^^^^^^^^^^^^^
 * Used to cancel outstanding Service requests. Successfully cancelled service
 * requests shall respond with Bad_RequestCancelledByClient. */
/* Not Implemented */

/**
 * NodeManagement Service Set
 * --------------------------
 * This Service Set defines Services to add and delete AddressSpace Nodes and
 * References between them. All added Nodes continue to exist in the
 * AddressSpace even if the Client that created them disconnects from the
 * Server.
 *
 * AddNodes Service
 * ^^^^^^^^^^^^^^^^
 * Used to add one or more Nodes into the AddressSpace hierarchy.
 * If the type or one of the supertypes has any HasInterface references
 * (see OPC 10001-7 - Amendment 7, 4.9.2), the child nodes of the interfaces
 * are added to the new object.
*/
void Service_AddNodes(UA_Server *server, UA_Session *session,
                      const UA_AddNodesRequest *request,
                      UA_AddNodesResponse *response);

/**
 * AddReferences Service
 * ^^^^^^^^^^^^^^^^^^^^^
 * Used to add one or more References to one or more Nodes.*/
void Service_AddReferences(UA_Server *server, UA_Session *session,
                           const UA_AddReferencesRequest *request,
                           UA_AddReferencesResponse *response);

/**
 * DeleteNodes Service
 * ^^^^^^^^^^^^^^^^^^^
 * Used to delete one or more Nodes from the AddressSpace. */
void Service_DeleteNodes(UA_Server *server, UA_Session *session,
                         const UA_DeleteNodesRequest *request,
                         UA_DeleteNodesResponse *response);

/**
 * DeleteReferences
 * ^^^^^^^^^^^^^^^^
 * Used to delete one or more References of a Node. */
void Service_DeleteReferences(UA_Server *server, UA_Session *session,
                              const UA_DeleteReferencesRequest *request,
                              UA_DeleteReferencesResponse *response);

/**
 * .. _view-services:
 *
 * View Service Set
 * ----------------
 * Clients use the browse Services of the View Service Set to navigate through
 * the AddressSpace or through a View which is a subset of the AddressSpace.
 *
 * Browse Service
 * ^^^^^^^^^^^^^^
 * Used to discover the References of a specified Node. The browse can be
 * further limited by the use of a View. This Browse Service also supports a
 * primitive filtering capability. */
void Service_Browse(UA_Server *server, UA_Session *session,
                    const UA_BrowseRequest *request,
                    UA_BrowseResponse *response);

/**
 * BrowseNext Service
 * ^^^^^^^^^^^^^^^^^^
 * Used to request the next set of Browse or BrowseNext response information
 * that is too large to be sent in a single response. "Too large" in this
 * context means that the Server is not able to return a larger response or that
 * the number of results to return exceeds the maximum number of results to
 * return that was specified by the Client in the original Browse request. */
void Service_BrowseNext(UA_Server *server, UA_Session *session,
                        const UA_BrowseNextRequest *request,
                        UA_BrowseNextResponse *response);

/**
 * TranslateBrowsePathsToNodeIds Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to translate textual node paths to their respective ids. */
void Service_TranslateBrowsePathsToNodeIds(UA_Server *server, UA_Session *session,
             const UA_TranslateBrowsePathsToNodeIdsRequest *request,
             UA_TranslateBrowsePathsToNodeIdsResponse *response);

/**
 * RegisterNodes Service
 * ^^^^^^^^^^^^^^^^^^^^^
 * Used by Clients to register the Nodes that they know they will access
 * repeatedly (e.g. Write, Call). It allows Servers to set up anything needed so
 * that the access operations will be more efficient. */
void Service_RegisterNodes(UA_Server *server, UA_Session *session,
                           const UA_RegisterNodesRequest *request,
                           UA_RegisterNodesResponse *response);

/**
 * UnregisterNodes Service
 * ^^^^^^^^^^^^^^^^^^^^^^^
 * This Service is used to unregister NodeIds that have been obtained via the
 * RegisterNodes service. */
void Service_UnregisterNodes(UA_Server *server, UA_Session *session,
                             const UA_UnregisterNodesRequest *request,
                             UA_UnregisterNodesResponse *response);

/**
 * Query Service Set
 * -----------------
 * This Service Set is used to issue a Query to a Server. OPC UA Query is
 * generic in that it provides an underlying storage mechanism independent Query
 * capability that can be used to access a wide variety of OPC UA data stores
 * and information management systems. OPC UA Query permits a Client to access
 * data maintained by a Server without any knowledge of the logical schema used
 * for internal storage of the data. Knowledge of the AddressSpace is
 * sufficient.
 *
 * QueryFirst Service
 * ^^^^^^^^^^^^^^^^^^
 * This Service is used to issue a Query request to the Server. */
/* Not Implemented */

/**
 * QueryNext Service
 * ^^^^^^^^^^^^^^^^^
 * This Service is used to request the next set of QueryFirst or QueryNext
 * response information that is too large to be sent in a single response. */
/* Not Impelemented */

/**
 * Attribute Service Set
 * ---------------------
 * This Service Set provides Services to access Attributes that are part of
 * Nodes.
 *
 * Read Service
 * ^^^^^^^^^^^^
 * Used to read attributes of nodes. For constructed attribute values whose
 * elements are indexed, such as an array, this Service allows Clients to read
 * the entire set of indexed values as a composite, to read individual elements
 * or to read ranges of elements of the composite. */
void Service_Read(UA_Server *server, UA_Session *session,
                  const UA_ReadRequest *request,
                  UA_ReadResponse *response);

/**
 * Write Service
 * ^^^^^^^^^^^^^
 * Used to write attributes of nodes. For constructed attribute values whose
 * elements are indexed, such as an array, this Service allows Clients to write
 * the entire set of indexed values as a composite, to write individual elements
 * or to write ranges of elements of the composite. */
void Service_Write(UA_Server *server, UA_Session *session,
                   const UA_WriteRequest *request,
                   UA_WriteResponse *response);

/**
 * HistoryRead Service
 * ^^^^^^^^^^^^^^^^^^^
 * Used to read historical values or Events of one or more Nodes. Servers may
 * make historical values available to Clients using this Service, although the
 * historical values themselves are not visible in the AddressSpace. */
#ifdef UA_ENABLE_HISTORIZING
void Service_HistoryRead(UA_Server *server, UA_Session *session,
                         const UA_HistoryReadRequest *request,
                         UA_HistoryReadResponse *response);

/**
 * HistoryUpdate Service
 * ^^^^^^^^^^^^^^^^^^^^^
 * Used to update historical values or Events of one or more Nodes. Several
 * request parameters indicate how the Server is to update the historical value
 * or Event. Valid actions are Insert, Replace or Delete. */
void
Service_HistoryUpdate(UA_Server *server, UA_Session *session,
                      const UA_HistoryUpdateRequest *request,
                      UA_HistoryUpdateResponse *response);
#endif

/**
 * .. _method-services:
 *
 * Method Service Set
 * ------------------
 * The Method Service Set defines the means to invoke methods. A method shall be
 * a component of an Object. See the section on :ref:`MethodNodes <methodnode>`
 * for more information.
 *
 * Call Service
 * ^^^^^^^^^^^^
 * Used to call (invoke) a methods. Each method call is invoked within the
 * context of an existing Session. If the Session is terminated, the results of
 * the method's execution cannot be returned to the Client and are discarded. */
#ifdef UA_ENABLE_METHODCALLS
void Service_Call(UA_Server *server, UA_Session *session,
                  const UA_CallRequest *request,
                  UA_CallResponse *response);

# if UA_MULTITHREADING >= 100
void Service_CallAsync(UA_Server *server, UA_Session *session, UA_UInt32 requestId,
                       const UA_CallRequest *request, UA_CallResponse *response,
                       UA_Boolean *finished);
#endif
#endif

#ifdef UA_ENABLE_SUBSCRIPTIONS

/**
 * MonitoredItem Service Set
 * -------------------------
 * Clients define MonitoredItems to subscribe to data and Events. Each
 * MonitoredItem identifies the item to be monitored and the Subscription to use
 * to send Notifications. The item to be monitored may be any Node Attribute.
 *
 * CreateMonitoredItems Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to create and add one or more MonitoredItems to a Subscription. A
 * MonitoredItem is deleted automatically by the Server when the Subscription is
 * deleted. Deleting a MonitoredItem causes its entire set of triggered item
 * links to be deleted, but has no effect on the MonitoredItems referenced by
 * the triggered items. */
void Service_CreateMonitoredItems(UA_Server *server, UA_Session *session,
                                  const UA_CreateMonitoredItemsRequest *request,
                                  UA_CreateMonitoredItemsResponse *response);

/**
 * DeleteMonitoredItems Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to remove one or more MonitoredItems of a Subscription. When a
 * MonitoredItem is deleted, its triggered item links are also deleted. */
void Service_DeleteMonitoredItems(UA_Server *server, UA_Session *session,
                                  const UA_DeleteMonitoredItemsRequest *request,
                                  UA_DeleteMonitoredItemsResponse *response);

/**
 * ModifyMonitoredItems Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to modify MonitoredItems of a Subscription. Changes to the MonitoredItem
 * settings shall be applied immediately by the Server. They take effect as soon
 * as practical but not later than twice the new revisedSamplingInterval.
 *
 * Illegal request values for parameters that can be revised do not generate
 * errors. Instead the server will choose default values and indicate them in
 * the corresponding revised parameter. */
void Service_ModifyMonitoredItems(UA_Server *server, UA_Session *session,
                                  const UA_ModifyMonitoredItemsRequest *request,
                                  UA_ModifyMonitoredItemsResponse *response);

/**
 * SetMonitoringMode Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to set the monitoring mode for one or more MonitoredItems of a
 * Subscription. */
void Service_SetMonitoringMode(UA_Server *server, UA_Session *session,
                               const UA_SetMonitoringModeRequest *request,
                               UA_SetMonitoringModeResponse *response);

/**
 * SetTriggering Service
 * ^^^^^^^^^^^^^^^^^^^^^
 * Used to create and delete triggering links for a triggering item. */
void Service_SetTriggering(UA_Server *server, UA_Session *session,
                           const UA_SetTriggeringRequest *request,
                           UA_SetTriggeringResponse *response);

/**
 * Subscription Service Set
 * ------------------------
 * Subscriptions are used to report Notifications to the Client.
 *
 * CreateSubscription Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to create a Subscription. Subscriptions monitor a set of MonitoredItems
 * for Notifications and return them to the Client in response to Publish
 * requests. */
void Service_CreateSubscription(UA_Server *server, UA_Session *session,
                                const UA_CreateSubscriptionRequest *request,
                                UA_CreateSubscriptionResponse *response);

/**
 * ModifySubscription Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to modify a Subscription. */
void Service_ModifySubscription(UA_Server *server, UA_Session *session,
                                const UA_ModifySubscriptionRequest *request,
                                UA_ModifySubscriptionResponse *response);

/**
 * SetPublishingMode Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to enable sending of Notifications on one or more Subscriptions. */
void Service_SetPublishingMode(UA_Server *server, UA_Session *session,
                               const UA_SetPublishingModeRequest *request,
                               UA_SetPublishingModeResponse *response);

/**
 * Publish Service
 * ^^^^^^^^^^^^^^^
 * Used for two purposes. First, it is used to acknowledge the receipt of
 * NotificationMessages for one or more Subscriptions. Second, it is used to
 * request the Server to return a NotificationMessage or a keep-alive
 * Message.
 *
 * Note that the service signature is an exception and does not contain a
 * pointer to a PublishResponse. That is because the service queues up publish
 * requests internally and sends responses asynchronously based on timeouts.
 *
 * Also, this is the only service method that returns a StatusCode. This
 * simplifies keeping track of the diagnostics statistics. */
UA_StatusCode
Service_Publish(UA_Server *server, UA_Session *session,
                const UA_PublishRequest *request, UA_UInt32 requestId);

/**
 * Republish Service
 * ^^^^^^^^^^^^^^^^^
 * Requests the Subscription to republish a NotificationMessage from its
 * retransmission queue. */
void Service_Republish(UA_Server *server, UA_Session *session,
                       const UA_RepublishRequest *request,
                       UA_RepublishResponse *response);

/**
 * DeleteSubscriptions Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Invoked to delete one or more Subscriptions that belong to the Client's
 * Session. */
void Service_DeleteSubscriptions(UA_Server *server, UA_Session *session,
                                 const UA_DeleteSubscriptionsRequest *request,
                                 UA_DeleteSubscriptionsResponse *response);

/**
 * TransferSubscription Service
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * Used to transfer a Subscription and its MonitoredItems from one Session to
 * another. For example, a Client may need to reopen a Session and then transfer
 * its Subscriptions to that Session. It may also be used by one Client to take
 * over a Subscription from another Client by transferring the Subscription to
 * its Session. */
void Service_TransferSubscriptions(UA_Server *server, UA_Session *session,
                                   const UA_TransferSubscriptionsRequest *request,
                                   UA_TransferSubscriptionsResponse *response);

#endif /* UA_ENABLE_SUBSCRIPTIONS */

_UA_END_DECLS


/**** amalgamated original file "/src/client/ua_client_internal.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016-2017 (c) Florian Palm
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 */


#define UA_INTERNAL


_UA_BEGIN_DECLS

/**************************/
/* Subscriptions Handling */
/**************************/

#ifdef UA_ENABLE_SUBSCRIPTIONS

typedef struct UA_Client_NotificationsAckNumber {
    LIST_ENTRY(UA_Client_NotificationsAckNumber) listEntry;
    UA_SubscriptionAcknowledgement subAck;
} UA_Client_NotificationsAckNumber;

typedef struct UA_Client_MonitoredItem {
    LIST_ENTRY(UA_Client_MonitoredItem) listEntry;
    UA_UInt32 monitoredItemId;
    UA_UInt32 clientHandle;
    void *context;
    UA_Client_DeleteMonitoredItemCallback deleteCallback;
    union {
        UA_Client_DataChangeNotificationCallback dataChangeCallback;
        UA_Client_EventNotificationCallback eventCallback;
    } handler;
    UA_Boolean isEventMonitoredItem; /* Otherwise a DataChange MoniitoredItem */
} UA_Client_MonitoredItem;

typedef struct UA_Client_Subscription {
    LIST_ENTRY(UA_Client_Subscription) listEntry;
    UA_UInt32 subscriptionId;
    void *context;
    UA_Double publishingInterval;
    UA_UInt32 maxKeepAliveCount;
    UA_Client_StatusChangeNotificationCallback statusChangeCallback;
    UA_Client_DeleteSubscriptionCallback deleteCallback;
    UA_UInt32 sequenceNumber;
    UA_DateTime lastActivity;
    LIST_HEAD(, UA_Client_MonitoredItem) monitoredItems;
} UA_Client_Subscription;

void
UA_Client_Subscriptions_clean(UA_Client *client);

/* Exposed for fuzzing */
UA_StatusCode
UA_Client_preparePublishRequest(UA_Client *client, UA_PublishRequest *request);

void
UA_Client_Subscriptions_backgroundPublish(UA_Client *client);

void
UA_Client_Subscriptions_backgroundPublishInactivityCheck(UA_Client *client);

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/**********/
/* Client */
/**********/

typedef struct AsyncServiceCall {
    LIST_ENTRY(AsyncServiceCall) pointers;
    UA_UInt32 requestId;
    UA_ClientAsyncServiceCallback callback;
    const UA_DataType *responseType;
    void *userdata;
    UA_DateTime start;
    UA_UInt32 timeout;
    void *responsedata;
} AsyncServiceCall;

void
UA_Client_AsyncService_cancel(UA_Client *client, AsyncServiceCall *ac,
                              UA_StatusCode statusCode);

void
UA_Client_AsyncService_removeAll(UA_Client *client, UA_StatusCode statusCode);

typedef struct CustomCallback {
    UA_UInt32 callbackId;

    UA_ClientAsyncServiceCallback userCallback;
    void *userData;

    void *clientData;
} CustomCallback;

struct UA_Client {
    UA_ClientConfig config;
    UA_Timer timer;

    /* Overall connection status */
    UA_StatusCode connectStatus;

    /* Old status to notify only changes */
    UA_SecureChannelState oldChannelState;
    UA_SessionState oldSessionState;
    UA_StatusCode oldConnectStatus;

    UA_Boolean findServersHandshake;   /* Ongoing FindServers */
    UA_Boolean endpointsHandshake;     /* Ongoing GetEndpoints */
    UA_Boolean noSession;              /* Don't open a session */

    /* Connection */
    UA_Connection connection;
    UA_String endpointUrl;  /* Used to extract address and port */
    UA_String discoveryUrl; /* The discoveryUrl (also used to signal which
                               application we want to connect to in the HEL/ACK
                               handshake). */

    /* SecureChannel */
    UA_SecureChannel channel;
    UA_UInt32 requestId;
    UA_DateTime nextChannelRenewal;

    /* Session */
    UA_SessionState sessionState;
    UA_NodeId authenticationToken;
    UA_UInt32 requestHandle;
    UA_ByteString remoteNonce;
    UA_ByteString localNonce;

    /* Connectivity check */
    UA_DateTime lastConnectivityCheck;
    UA_Boolean pendingConnectivityCheck;

    /* Async Service */
    LIST_HEAD(, AsyncServiceCall) asyncServiceCalls;

    /* Subscriptions */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    LIST_HEAD(, UA_Client_NotificationsAckNumber) pendingNotificationsAcks;
    LIST_HEAD(, UA_Client_Subscription) subscriptions;
    UA_UInt32 monitoredItemHandles;
    UA_UInt16 currentlyOutStandingPublishRequests;
#endif
};

void notifyClientState(UA_Client *client);
void processERRResponse(UA_Client *client, const UA_ByteString *chunk);
void processACKResponse(UA_Client *client, const UA_ByteString *chunk);
void processOPNResponse(UA_Client *client, const UA_ByteString *message);
void closeSecureChannel(UA_Client *client);

UA_StatusCode
connectIterate(UA_Client *client, UA_UInt32 timeout);

UA_StatusCode
receiveResponseAsync(UA_Client *client, UA_UInt32 timeout);

void
Client_warnEndpointsResult(UA_Client *client,
                           const UA_GetEndpointsResponse *response,
                           const UA_String *endpointUrl);

_UA_END_DECLS


/**** amalgamated original file "/src/pubsub/ua_pubsub_config.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2020 Yannick Wallerer, Siemens AG
 * Copyright (c) 2020 Thomas Fischer, Siemens AG
 */

#ifdef UA_ENABLE_PUBSUB_FILE_CONFIG



/* Decodes the information from the ByteString. If the decoded content is a
 * PubSubConfiguration in a UABinaryFileDataType-object. It will overwrite the
 * current PubSub configuration from the server. */
UA_StatusCode 
UA_PubSubManager_loadPubSubConfigFromByteString(UA_Server *server, 
                                                const UA_ByteString buffer);

/* Saves the current PubSub configuration of a server in a byteString. */
UA_StatusCode
UA_PubSubManager_getEncodedPubSubConfiguration(UA_Server *server, 
                                               UA_ByteString *buffer);


#endif /* UA_ENABLE_PUBSUB_FILE_CONFIG */

/**** amalgamated original file "/build/src_generated/open62541/namespace0_generated.h" ****/

/* WARNING: This is a generated file.
 * Any manual changes will be overwritten. */

#ifndef NAMESPACE0_GENERATED_H_
#define NAMESPACE0_GENERATED_H_


#ifdef UA_ENABLE_AMALGAMATION

/* The following declarations are in the open62541.c file so here's needed when compiling nodesets externally */

# ifndef UA_INTERNAL //this definition is needed to hide this code in the amalgamated .c file

typedef UA_StatusCode (*UA_exchangeEncodeBuffer)(void *handle, UA_Byte **bufPos,
                                                 const UA_Byte **bufEnd);

UA_StatusCode
UA_encodeBinary(const void *src, const UA_DataType *type,
                UA_Byte **bufPos, const UA_Byte **bufEnd,
                UA_exchangeEncodeBuffer exchangeCallback,
                void *exchangeHandle) UA_FUNC_ATTR_WARN_UNUSED_RESULT;

UA_StatusCode
UA_decodeBinary(const UA_ByteString *src, size_t *offset, void *dst,
                const UA_DataType *type, size_t customTypesSize,
                const UA_DataType *customTypes) UA_FUNC_ATTR_WARN_UNUSED_RESULT;

size_t
UA_calcSizeBinary(void *p, const UA_DataType *type);

const UA_DataType *
UA_findDataTypeByBinary(const UA_NodeId *typeId);

# endif // UA_INTERNAL

#else // UA_ENABLE_AMALGAMATION
#endif




_UA_BEGIN_DECLS

extern UA_StatusCode namespace0_generated(UA_Server *server);

_UA_END_DECLS

#endif /* NAMESPACE0_GENERATED_H_ */

/**** amalgamated original file "/src/ua_types.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2020 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2016-2017 (c) Florian Palm
 *    Copyright 2014-2016 (c) Sten Grüner
 *    Copyright 2014 (c) Leon Urbas
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015 (c) Markus Graube
 *    Copyright 2015 (c) Reza Ebrahimi
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2016 (c) Lorenz Haas
 */



#define UA_MAX_ARRAY_DIMS 100 /* Max dimensions of an array */

/* Datatype Handling
 * -----------------
 * This file contains handling functions for the builtin types and functions
 * handling of structured types and arrays. These need type descriptions in a
 * UA_DataType structure. The UA_DataType structures as well as all non-builtin
 * datatypes are autogenerated. */

/* Global definition of NULL type instances. These are always zeroed out, as
 * mandated by the C/C++ standard for global values with no initializer. */
const UA_String UA_STRING_NULL = {0};
const UA_ByteString UA_BYTESTRING_NULL = {0};
const UA_Guid UA_GUID_NULL = {0};
const UA_NodeId UA_NODEID_NULL = {0};
const UA_ExpandedNodeId UA_EXPANDEDNODEID_NULL = {0};

typedef UA_StatusCode
(*UA_copySignature)(const void *src, void *dst, const UA_DataType *type);
extern const UA_copySignature copyJumpTable[UA_DATATYPEKINDS];

typedef void (*UA_clearSignature)(void *p, const UA_DataType *type);
extern const UA_clearSignature clearJumpTable[UA_DATATYPEKINDS];

typedef UA_Order
(*UA_orderSignature)(const void *p1, const void *p2, const UA_DataType *type);
extern const UA_orderSignature orderJumpTable[UA_DATATYPEKINDS];

const UA_DataType *
UA_findDataTypeWithCustom(const UA_NodeId *typeId,
                          const UA_DataTypeArray *customTypes) {
    /* Always look in built-in types first (may contain data types from all
     * namespaces).
     *
     * TODO: The standard-defined types are ordered. See if binary search is
     * more efficient. */
    for(size_t i = 0; i < UA_TYPES_COUNT; ++i) {
        if(UA_NodeId_equal(&UA_TYPES[i].typeId, typeId))
            return &UA_TYPES[i];
    }

    /* Search in the customTypes */
    while(customTypes) {
        for(size_t i = 0; i < customTypes->typesSize; ++i) {
            if(UA_NodeId_equal(&customTypes->types[i].typeId, typeId))
                return &customTypes->types[i];
        }
        customTypes = customTypes->next;
    }

    return NULL;
}

const UA_DataType *
UA_findDataType(const UA_NodeId *typeId) {
    return UA_findDataTypeWithCustom(typeId, NULL);
}

/***************************/
/* Random Number Generator */
/***************************/

//TODO is this safe for multithreading?
static pcg32_random_t UA_rng = PCG32_INITIALIZER;

void
UA_random_seed(u64 seed) {
    pcg32_srandom_r(&UA_rng, seed, (u64)UA_DateTime_now());
}

u32
UA_UInt32_random(void) {
    return (u32)pcg32_random_r(&UA_rng);
}

/*****************/
/* Builtin Types */
/*****************/

UA_String
UA_String_fromChars(const char *src) {
    UA_String s; s.length = 0; s.data = NULL;
    if(!src)
        return s;
    s.length = strlen(src);
    if(s.length > 0) {
        s.data = (u8*)UA_malloc(s.length);
        if(UA_UNLIKELY(!s.data)) {
            s.length = 0;
            return s;
        }
        memcpy(s.data, src, s.length);
    } else {
        s.data = (u8*)UA_EMPTY_ARRAY_SENTINEL;
    }
    return s;
}

static UA_Order
stringOrder(const UA_String *p1, const UA_String *p2, const UA_DataType *type);
static UA_Order
guidOrder(const UA_Guid *p1, const UA_Guid *p2, const UA_DataType *type);
static UA_Order
qualifiedNameOrder(const UA_QualifiedName *p1, const UA_QualifiedName *p2,
                   const UA_DataType *type);

UA_Boolean
UA_String_equal(const UA_String *s1, const UA_String *s2) {
    return (stringOrder(s1, s2, NULL) == UA_ORDER_EQ);
}

/* Do not expose UA_String_equal_ignorecase to public API as it currently only handles
 * ASCII strings, and not UTF8! */
UA_Boolean
UA_String_equal_ignorecase(const UA_String *s1, const UA_String *s2) {
    if(s1->length != s2->length)
        return false;
    if(s1->length == 0)
        return true;
    if(s2->data == NULL)
        return false;

    //FIXME this currently does not handle UTF8
    return UA_strncasecmp((const char*)s1->data, (const char*)s2->data, s1->length) == 0;
}

static UA_StatusCode
String_copy(UA_String const *src, UA_String *dst, const UA_DataType *_) {
    UA_StatusCode res =
        UA_Array_copy(src->data, src->length, (void**)&dst->data,
                      &UA_TYPES[UA_TYPES_BYTE]);
    if(res == UA_STATUSCODE_GOOD)
        dst->length = src->length;
    return res;
}

static void
String_clear(UA_String *s, const UA_DataType *_) {
    UA_Array_delete(s->data, s->length, &UA_TYPES[UA_TYPES_BYTE]);
}

/* QualifiedName */
static UA_StatusCode
QualifiedName_copy(const UA_QualifiedName *src, UA_QualifiedName *dst,
                   const UA_DataType *_) {
    dst->namespaceIndex = src->namespaceIndex;
    return String_copy(&src->name, &dst->name, NULL);
}

static void
QualifiedName_clear(UA_QualifiedName *p, const UA_DataType *_) {
    String_clear(&p->name, NULL);
}

u32
UA_QualifiedName_hash(const UA_QualifiedName *q) {
    return UA_ByteString_hash(q->namespaceIndex,
                              q->name.data, q->name.length);
}

UA_Boolean
UA_QualifiedName_equal(const UA_QualifiedName *qn1,
                       const UA_QualifiedName *qn2) {
    return (qualifiedNameOrder(qn1, qn2, NULL) == UA_ORDER_EQ);
}

/* DateTime */
UA_DateTimeStruct
UA_DateTime_toStruct(UA_DateTime t) {
    /* Divide, then subtract -> avoid underflow. Also, negative numbers are
     * rounded up, not down. */
    long long secSinceUnixEpoch = (long long)(t / UA_DATETIME_SEC)
        - (long long)(UA_DATETIME_UNIX_EPOCH / UA_DATETIME_SEC);

    /* Negative fractions of a second? Remove one full second from the epoch
     * distance and allow only a positive fraction. */
    UA_DateTime frac = t % UA_DATETIME_SEC;
    if(frac < 0) {
        secSinceUnixEpoch--;
        frac += UA_DATETIME_SEC;
    }

    struct mytm ts;
    memset(&ts, 0, sizeof(struct mytm));
    __secs_to_tm(secSinceUnixEpoch, &ts);

    UA_DateTimeStruct dateTimeStruct;
    dateTimeStruct.year   = (i16)(ts.tm_year + 1900);
    dateTimeStruct.month  = (u16)(ts.tm_mon + 1);
    dateTimeStruct.day    = (u16)ts.tm_mday;
    dateTimeStruct.hour   = (u16)ts.tm_hour;
    dateTimeStruct.min    = (u16)ts.tm_min;
    dateTimeStruct.sec    = (u16)ts.tm_sec;
    dateTimeStruct.milliSec = (u16)((frac % 10000000) / 10000);
    dateTimeStruct.microSec = (u16)((frac % 10000) / 10);
    dateTimeStruct.nanoSec  = (u16)((frac % 10) * 100);
    return dateTimeStruct;
}

UA_DateTime
UA_DateTime_fromStruct(UA_DateTimeStruct ts) {
    /* Seconds since the Unix epoch */
    struct mytm tm;
    memset(&tm, 0, sizeof(struct mytm));
    tm.tm_year = ts.year - 1900;
    tm.tm_mon = ts.month - 1;
    tm.tm_mday = ts.day;
    tm.tm_hour = ts.hour;
    tm.tm_min = ts.min;
    tm.tm_sec = ts.sec;
    long long sec_epoch = __tm_to_secs(&tm);

    UA_DateTime t = UA_DATETIME_UNIX_EPOCH;
    t += sec_epoch * UA_DATETIME_SEC;
    t += ts.milliSec * UA_DATETIME_MSEC;
    t += ts.microSec * UA_DATETIME_USEC;
    t += ts.nanoSec / 100;
    return t;
}

/* Guid */
UA_Boolean
UA_Guid_equal(const UA_Guid *g1, const UA_Guid *g2) {
    return (guidOrder(g1, g2, NULL) == UA_ORDER_EQ);
}

UA_Guid
UA_Guid_random(void) {
    UA_Guid result;
    result.data1 = (u32)pcg32_random_r(&UA_rng);
    u32 r = (u32)pcg32_random_r(&UA_rng);
    result.data2 = (u16) r;
    result.data3 = (u16) (r >> 16);
    r = (u32)pcg32_random_r(&UA_rng);
    result.data4[0] = (u8)r;
    result.data4[1] = (u8)(r >> 4);
    result.data4[2] = (u8)(r >> 8);
    result.data4[3] = (u8)(r >> 12);
    r = (u32)pcg32_random_r(&UA_rng);
    result.data4[4] = (u8)r;
    result.data4[5] = (u8)(r >> 4);
    result.data4[6] = (u8)(r >> 8);
    result.data4[7] = (u8)(r >> 12);
    return result;
}

/* ByteString */
UA_StatusCode
UA_ByteString_allocBuffer(UA_ByteString *bs, size_t length) {
    UA_ByteString_init(bs);
    if(length == 0)
        return UA_STATUSCODE_GOOD;
    bs->data = (u8*)UA_malloc(length);
    if(UA_UNLIKELY(!bs->data))
        return UA_STATUSCODE_BADOUTOFMEMORY;
    bs->length = length;
    return UA_STATUSCODE_GOOD;
}

/* NodeId */
static void
NodeId_clear(UA_NodeId *p, const UA_DataType *_) {
    switch(p->identifierType) {
    case UA_NODEIDTYPE_STRING:
    case UA_NODEIDTYPE_BYTESTRING:
        String_clear(&p->identifier.string, NULL);
        break;
    default: break;
    }
}

static UA_StatusCode
NodeId_copy(UA_NodeId const *src, UA_NodeId *dst, const UA_DataType *_) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    switch(src->identifierType) {
    case UA_NODEIDTYPE_NUMERIC:
        *dst = *src;
        return UA_STATUSCODE_GOOD;
    case UA_NODEIDTYPE_STRING:
    case UA_NODEIDTYPE_BYTESTRING:
        retval |= String_copy(&src->identifier.string,
                              &dst->identifier.string, NULL);
        break;
    case UA_NODEIDTYPE_GUID:
        dst->identifier.guid = src->identifier.guid;
        break;
    default:
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    dst->namespaceIndex = src->namespaceIndex;
    dst->identifierType = src->identifierType;
    return retval;
}

UA_Boolean
UA_NodeId_isNull(const UA_NodeId *p) {
    if(p->namespaceIndex != 0)
        return false;
    switch (p->identifierType) {
    case UA_NODEIDTYPE_NUMERIC:
        return (p->identifier.numeric == 0);
    case UA_NODEIDTYPE_STRING:
    case UA_NODEIDTYPE_BYTESTRING:
        return (p->identifier.string.length == 0); /* Null and empty string */
    case UA_NODEIDTYPE_GUID:
        return UA_Guid_equal(&p->identifier.guid, &UA_GUID_NULL);
    }
    return false;
}

/* Absolute ordering for NodeIds */
UA_Order
UA_NodeId_order(const UA_NodeId *n1, const UA_NodeId *n2) {
    /* Compare namespaceIndex */
    if(n1->namespaceIndex != n2->namespaceIndex)
        return (n1->namespaceIndex < n2->namespaceIndex) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* Compare identifierType */
    if(n1->identifierType != n2->identifierType)
        return (n1->identifierType < n2->identifierType) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* Compare the identifier */
    switch(n1->identifierType) {
    case UA_NODEIDTYPE_NUMERIC:
    default:
        if(n1->identifier.numeric != n2->identifier.numeric)
            return (n1->identifier.numeric < n2->identifier.numeric) ?
                UA_ORDER_LESS : UA_ORDER_MORE;
        return UA_ORDER_EQ;

    case UA_NODEIDTYPE_GUID:
        return guidOrder(&n1->identifier.guid, &n2->identifier.guid, NULL);

    case UA_NODEIDTYPE_STRING:
    case UA_NODEIDTYPE_BYTESTRING:
        return stringOrder(&n1->identifier.string, &n2->identifier.string, NULL);
    }
}

/* sdbm-hash (http://www.cse.yorku.ca/~oz/hash.html) */
u32
UA_ByteString_hash(u32 initialHashValue,
                   const u8 *data, size_t size) {
    u32 h = initialHashValue;
    for(size_t i = 0; i < size; i++)
        h = data[i] + (h << 6) + (h << 16) - h;
    return h;
}

u32
UA_NodeId_hash(const UA_NodeId *n) {
    switch(n->identifierType) {
    case UA_NODEIDTYPE_NUMERIC:
    default:
        return UA_ByteString_hash(n->namespaceIndex, (const u8*)&n->identifier.numeric,
                                  sizeof(UA_UInt32));
    case UA_NODEIDTYPE_STRING:
    case UA_NODEIDTYPE_BYTESTRING:
        return UA_ByteString_hash(n->namespaceIndex, n->identifier.string.data,
                                  n->identifier.string.length);
    case UA_NODEIDTYPE_GUID:
        return UA_ByteString_hash(n->namespaceIndex, (const u8*)&n->identifier.guid,
                                  sizeof(UA_Guid));
    }
}

/* ExpandedNodeId */
static void
ExpandedNodeId_clear(UA_ExpandedNodeId *p, const UA_DataType *_) {
    NodeId_clear(&p->nodeId, _);
    String_clear(&p->namespaceUri, NULL);
}

static UA_StatusCode
ExpandedNodeId_copy(UA_ExpandedNodeId const *src, UA_ExpandedNodeId *dst,
                    const UA_DataType *_) {
    UA_StatusCode retval = NodeId_copy(&src->nodeId, &dst->nodeId, NULL);
    retval |= String_copy(&src->namespaceUri, &dst->namespaceUri, NULL);
    dst->serverIndex = src->serverIndex;
    return retval;
}

UA_Boolean
UA_ExpandedNodeId_isLocal(const UA_ExpandedNodeId *n) {
    return (n->namespaceUri.length == 0 && n->serverIndex == 0);
}

UA_Order
UA_ExpandedNodeId_order(const UA_ExpandedNodeId *n1,
                        const UA_ExpandedNodeId *n2) {
    if(n1->serverIndex != n2->serverIndex)
        return (n1->serverIndex < n2->serverIndex) ? UA_ORDER_LESS : UA_ORDER_MORE;
    UA_Order o = stringOrder(&n1->namespaceUri, &n2->namespaceUri, NULL);
    if(o != UA_ORDER_EQ)
        return o;
    return UA_NodeId_order(&n1->nodeId, &n2->nodeId);
}

u32
UA_ExpandedNodeId_hash(const UA_ExpandedNodeId *n) {
    u32 h = UA_NodeId_hash(&n->nodeId);
    if(n->serverIndex != 0)
        h = UA_ByteString_hash(h, (const UA_Byte*)&n->serverIndex, 4);
    if(n->namespaceUri.length != 0)
        h = UA_ByteString_hash(h, n->namespaceUri.data, n->namespaceUri.length);
    return h;
}

/* ExtensionObject */
static void
ExtensionObject_clear(UA_ExtensionObject *p, const UA_DataType *_) {
    switch(p->encoding) {
    case UA_EXTENSIONOBJECT_ENCODED_NOBODY:
    case UA_EXTENSIONOBJECT_ENCODED_BYTESTRING:
    case UA_EXTENSIONOBJECT_ENCODED_XML:
        NodeId_clear(&p->content.encoded.typeId, NULL);
        String_clear(&p->content.encoded.body, NULL);
        break;
    case UA_EXTENSIONOBJECT_DECODED:
        if(p->content.decoded.data)
            UA_delete(p->content.decoded.data, p->content.decoded.type);
        break;
    default:
        break;
    }
}

static UA_StatusCode
ExtensionObject_copy(UA_ExtensionObject const *src, UA_ExtensionObject *dst,
                     const UA_DataType *_) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    switch(src->encoding) {
    case UA_EXTENSIONOBJECT_ENCODED_NOBODY:
    case UA_EXTENSIONOBJECT_ENCODED_BYTESTRING:
    case UA_EXTENSIONOBJECT_ENCODED_XML:
        dst->encoding = src->encoding;
        retval = NodeId_copy(&src->content.encoded.typeId,
                             &dst->content.encoded.typeId, NULL);
        /* ByteString -> copy as string */
        retval |= String_copy(&src->content.encoded.body,
                              &dst->content.encoded.body, NULL);
        break;
    case UA_EXTENSIONOBJECT_DECODED:
    case UA_EXTENSIONOBJECT_DECODED_NODELETE:
        if(!src->content.decoded.type || !src->content.decoded.data)
            return UA_STATUSCODE_BADINTERNALERROR;
        dst->encoding = UA_EXTENSIONOBJECT_DECODED;
        dst->content.decoded.type = src->content.decoded.type;
        retval = UA_Array_copy(src->content.decoded.data, 1,
            &dst->content.decoded.data, src->content.decoded.type);
        break;
    default:
        break;
    }
    return retval;
}

void
UA_ExtensionObject_setValue(UA_ExtensionObject *eo,
                            void * UA_RESTRICT p,
                            const UA_DataType *type) {
    UA_ExtensionObject_init(eo);
    eo->content.decoded.data = p;
    eo->content.decoded.type = type;
    eo->encoding = UA_EXTENSIONOBJECT_DECODED;
}

void
UA_ExtensionObject_setValueNoDelete(UA_ExtensionObject *eo,
                                    void * UA_RESTRICT p,
                                    const UA_DataType *type) {
    UA_ExtensionObject_init(eo);
    eo->content.decoded.data = p;
    eo->content.decoded.type = type;
    eo->encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
}

UA_StatusCode
UA_ExtensionObject_setValueCopy(UA_ExtensionObject *eo,
                                void * UA_RESTRICT p,
                                const UA_DataType *type) {
    UA_ExtensionObject_init(eo);

    /* Make a copy of the value */
    void *val = UA_malloc(type->memSize);
    if(UA_UNLIKELY(!val))
        return UA_STATUSCODE_BADOUTOFMEMORY;
    UA_StatusCode res = UA_copy(p, val, type);
    if(UA_UNLIKELY(res != UA_STATUSCODE_GOOD)) {
        UA_free(val);
        return res;
    }

    /* Set the ExtensionObject */
    eo->content.decoded.data = val;
    eo->content.decoded.type = type;
    eo->encoding = UA_EXTENSIONOBJECT_DECODED;
    return UA_STATUSCODE_GOOD;
}

/* Variant */
static void
Variant_clear(UA_Variant *p, const UA_DataType *_) {
    /* The content is "borrowed" */
    if(p->storageType == UA_VARIANT_DATA_NODELETE)
        return;

    /* Delete the value */
    if(p->type && p->data > UA_EMPTY_ARRAY_SENTINEL) {
        if(p->arrayLength == 0)
            p->arrayLength = 1;
        UA_Array_delete(p->data, p->arrayLength, p->type);
        p->data = NULL;
    }

    /* Delete the array dimensions */
    if((void*)p->arrayDimensions > UA_EMPTY_ARRAY_SENTINEL)
        UA_free(p->arrayDimensions);
}

static UA_StatusCode
Variant_copy(UA_Variant const *src, UA_Variant *dst, const UA_DataType *_) {
    size_t length = src->arrayLength;
    if(UA_Variant_isScalar(src))
        length = 1;
    UA_StatusCode retval = UA_Array_copy(src->data, length,
                                         &dst->data, src->type);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    dst->arrayLength = src->arrayLength;
    dst->type = src->type;
    if(src->arrayDimensions) {
        retval = UA_Array_copy(src->arrayDimensions, src->arrayDimensionsSize,
            (void**)&dst->arrayDimensions, &UA_TYPES[UA_TYPES_INT32]);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
        dst->arrayDimensionsSize = src->arrayDimensionsSize;
    }
    return UA_STATUSCODE_GOOD;
}

void
UA_Variant_setScalar(UA_Variant *v, void * UA_RESTRICT p,
                     const UA_DataType *type) {
    UA_Variant_init(v);
    v->type = type;
    v->arrayLength = 0;
    v->data = p;
}

UA_StatusCode
UA_Variant_setScalarCopy(UA_Variant *v, const void * UA_RESTRICT p,
                         const UA_DataType *type) {
    void *n = UA_malloc(type->memSize);
    if(UA_UNLIKELY(!n))
        return UA_STATUSCODE_BADOUTOFMEMORY;
    UA_StatusCode retval = UA_copy(p, n, type);
    if(UA_UNLIKELY(retval != UA_STATUSCODE_GOOD)) {
        UA_free(n);
        //cppcheck-suppress memleak
        return retval;
    }
    UA_Variant_setScalar(v, n, type);
    //cppcheck-suppress memleak
    return UA_STATUSCODE_GOOD;
}

void UA_Variant_setArray(UA_Variant *v, void * UA_RESTRICT array,
                         size_t arraySize, const UA_DataType *type) {
    UA_Variant_init(v);
    v->data = array;
    v->arrayLength = arraySize;
    v->type = type;
}

UA_StatusCode
UA_Variant_setArrayCopy(UA_Variant *v, const void * UA_RESTRICT array,
                        size_t arraySize, const UA_DataType *type) {
    UA_Variant_init(v);
    UA_StatusCode retval = UA_Array_copy(array, arraySize, &v->data, type);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    v->arrayLength = arraySize;
    v->type = type;
    return UA_STATUSCODE_GOOD;
}

/* Test if a range is compatible with a variant. This may adjust the upper bound
 * (max) in order to fit the variant. */
static UA_StatusCode
checkAdjustRange(const UA_Variant *v, UA_NumericRange *range) {
    /* Test for max array size (64bit only) */
#if (SIZE_MAX > 0xffffffff)
    if(v->arrayLength > UA_UINT32_MAX)
        return UA_STATUSCODE_BADINTERNALERROR;
#endif
    u32 arrayLength = (u32)v->arrayLength;

    /* Assume one array dimension if none defined */
    const u32 *dims = v->arrayDimensions;
    size_t dims_count = v->arrayDimensionsSize;
    if(v->arrayDimensionsSize == 0) {
        dims_count = 1;
        dims = &arrayLength;
    }

    /* Does the range match the dimension of the variant? */
    if(range->dimensionsSize != dims_count)
        return UA_STATUSCODE_BADINDEXRANGENODATA;

    /* Check that the number of elements in the variant matches the array
     * dimensions */
    size_t elements = 1;
    for(size_t i = 0; i < dims_count; ++i)
        elements *= dims[i];
    if(elements != v->arrayLength)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Test the integrity of the range and compute the max index used for every
     * dimension. The standard says in Part 4, Section 7.22:
     *
     * When reading a value, the indexes may not specify a range that is within
     * the bounds of the array. The Server shall return a partial result if some
     * elements exist within the range. */
    for(size_t i = 0; i < dims_count; ++i) {
        if(range->dimensions[i].min > range->dimensions[i].max)
            return UA_STATUSCODE_BADINDEXRANGEINVALID;
        if(range->dimensions[i].min >= dims[i])
            return UA_STATUSCODE_BADINDEXRANGENODATA;

        /* Reduce the max to fit the variant */
        if(range->dimensions[i].max >= dims[i])
            range->dimensions[i].max = dims[i] - 1;
    }

    return UA_STATUSCODE_GOOD;
}

/* Computes the stride for copying the range elements.
 * - total: how many elements are in the range
 * - block: how big is each contiguous block of elements in the variant that
 *   maps into the range
 * - stride: how many elements are between the blocks (beginning to beginning)
 * - first: where does the first block begin */
static void
computeStrides(const UA_Variant *v, const UA_NumericRange range,
               size_t *total, size_t *block, size_t *stride, size_t *first) {
    /* Number of total elements to be copied */
    size_t count = 1;
    for(size_t i = 0; i < range.dimensionsSize; ++i)
        count *= (range.dimensions[i].max - range.dimensions[i].min) + 1;
    *total = count;

    /* Assume one array dimension if none defined */
    u32 arrayLength = (u32)v->arrayLength;
    const u32 *dims = v->arrayDimensions;
    size_t dims_count = v->arrayDimensionsSize;
    if(v->arrayDimensionsSize == 0) {
        dims_count = 1;
        dims = &arrayLength;
    }

    /* Compute the stride length and the position of the first element */
    *block = count;           /* Assume the range describes the entire array. */
    *stride = v->arrayLength; /* So it can be copied as a contiguous block.   */
    *first = 0;
    size_t running_dimssize = 1;
    UA_Boolean found_contiguous = false;
    for(size_t k = dims_count; k > 0;) {
        --k;
        size_t dimrange = 1 + range.dimensions[k].max - range.dimensions[k].min;
        if(!found_contiguous && dimrange != dims[k]) {
            /* Found the maximum block that can be copied contiguously */
            found_contiguous = true;
            *block = running_dimssize * dimrange;
            *stride = running_dimssize * dims[k];
        }
        *first += running_dimssize * range.dimensions[k].min;
        running_dimssize *= dims[k];
    }
}

/* Is the type string-like? */
static UA_Boolean
isStringLike(const UA_DataType *type) {
    if(type == &UA_TYPES[UA_TYPES_STRING] ||
       type == &UA_TYPES[UA_TYPES_BYTESTRING] ||
       type == &UA_TYPES[UA_TYPES_XMLELEMENT])
        return true;
    return false;
}

/* Returns the part of the string that lies within the rangedimension */
static UA_StatusCode
copySubString(const UA_String *src, UA_String *dst,
              const UA_NumericRangeDimension *dim) {
    if(dim->min > dim->max)
        return UA_STATUSCODE_BADINDEXRANGEINVALID;
    if(dim->min >= src->length)
        return UA_STATUSCODE_BADINDEXRANGENODATA;

    size_t length;
    if(dim->max < src->length)
       length = dim->max - dim->min + 1;
    else
        length = src->length - dim->min;

    UA_StatusCode retval = UA_ByteString_allocBuffer(dst, length);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    memcpy(dst->data, &src->data[dim->min], length);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Variant_copyRange(const UA_Variant *src, UA_Variant * UA_RESTRICT dst,
                     const UA_NumericRange range) {
    if(!src->type)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_Boolean isScalar = UA_Variant_isScalar(src);
    UA_Boolean stringLike = isStringLike(src->type);

    /* Upper bound of the dimensions for stack-allocation */
    if(range.dimensionsSize > UA_MAX_ARRAY_DIMS)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Copy the const range to a mutable stack location */
    UA_NumericRangeDimension thisrangedims[UA_MAX_ARRAY_DIMS];
    memcpy(thisrangedims, range.dimensions, sizeof(UA_NumericRangeDimension) * range.dimensionsSize);
    UA_NumericRange thisrange = {range.dimensionsSize, thisrangedims};

    UA_NumericRangeDimension scalarThisDimension = {0,0}; /* a single entry */
    UA_NumericRange nextrange = {0, NULL};

    /* Extract the range for copying at this level. The remaining range is dealt
     * with in the "scalar" type that may define an array by itself (string,
     * variant, ...). */
    UA_Variant arraySrc;
    if(isScalar) {
        /* Replace scalar src with array of length 1 */
        arraySrc = *src;
        arraySrc.arrayLength = 1;
        src = &arraySrc;
        /* Deal with all range dimensions within the scalar */
        thisrange.dimensions = &scalarThisDimension;
        thisrange.dimensionsSize = 1;
        nextrange = range;
    } else {
        /* Deal with as many range dimensions as possible right now */
        size_t dims = src->arrayDimensionsSize;
        if(dims == 0)
            dims = 1;
        if(dims > range.dimensionsSize)
            return UA_STATUSCODE_BADINDEXRANGEINVALID;
       thisrange.dimensionsSize = dims;
       nextrange.dimensions = &range.dimensions[dims];
       nextrange.dimensionsSize = range.dimensionsSize - dims;
    }

    UA_StatusCode retval = checkAdjustRange(src, &thisrange);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Compute the strides */
    size_t count, block, stride, first;
    computeStrides(src, thisrange, &count, &block, &stride, &first);

    /* Allocate the array */
    UA_Variant_init(dst);
    dst->data = UA_Array_new(count, src->type);
    if(!dst->data)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Copy the range */
    size_t block_count = count / block;
    size_t elem_size = src->type->memSize;
    uintptr_t nextdst = (uintptr_t)dst->data;
    uintptr_t nextsrc = (uintptr_t)src->data + (elem_size * first);
    if(nextrange.dimensionsSize == 0) {
        /* no nextrange */
        if(src->type->pointerFree) {
            for(size_t i = 0; i < block_count; ++i) {
                memcpy((void*)nextdst, (void*)nextsrc, elem_size * block);
                nextdst += block * elem_size;
                nextsrc += stride * elem_size;
            }
        } else {
            for(size_t i = 0; i < block_count; ++i) {
                for(size_t j = 0; j < block; ++j) {
                    retval = UA_copy((const void*)nextsrc,
                                     (void*)nextdst, src->type);
                    nextdst += elem_size;
                    nextsrc += elem_size;
                }
                nextsrc += (stride - block) * elem_size;
            }
        }
    } else {
        /* nextrange can only be used for variants and stringlike with remaining
         * range of dimension 1 */
        if(src->type != &UA_TYPES[UA_TYPES_VARIANT]) {
            if(!stringLike)
                retval = UA_STATUSCODE_BADINDEXRANGENODATA;
            if(nextrange.dimensionsSize != 1)
                retval = UA_STATUSCODE_BADINDEXRANGENODATA;
        }

        /* Copy the content */
        for(size_t i = 0; i < block_count; ++i) {
            for(size_t j = 0; j < block && retval == UA_STATUSCODE_GOOD; ++j) {
                if(stringLike)
                    retval = copySubString((const UA_String*)nextsrc,
                                           (UA_String*)nextdst,
                                           nextrange.dimensions);
                else
                    retval = UA_Variant_copyRange((const UA_Variant*)nextsrc,
                                                  (UA_Variant*)nextdst,
                                                  nextrange);
                nextdst += elem_size;
                nextsrc += elem_size;
            }
            nextsrc += (stride - block) * elem_size;
        }
    }

    /* Clean up if copying failed */
    if(retval != UA_STATUSCODE_GOOD) {
        UA_Array_delete(dst->data, count, src->type);
        dst->data = NULL;
        return retval;
    }

    /* Done if scalar */
    dst->type = src->type;
    if(isScalar)
        return retval;

    /* Copy array dimensions */
    dst->arrayLength = count;
    if(src->arrayDimensionsSize > 0) {
        dst->arrayDimensions =
            (u32*)UA_Array_new(thisrange.dimensionsSize, &UA_TYPES[UA_TYPES_UINT32]);
        if(!dst->arrayDimensions) {
            Variant_clear(dst, NULL);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        dst->arrayDimensionsSize = thisrange.dimensionsSize;
        for(size_t k = 0; k < thisrange.dimensionsSize; ++k)
            dst->arrayDimensions[k] =
                thisrange.dimensions[k].max - thisrange.dimensions[k].min + 1;
    }
    return UA_STATUSCODE_GOOD;
}

/* TODO: Allow ranges to reach inside a scalars that are array-like, e.g.
 * variant and strings. This is already possible for reading... */
static UA_StatusCode
Variant_setRange(UA_Variant *v, void *array, size_t arraySize,
                 const UA_NumericRange range, UA_Boolean copy) {
    if(!v->type)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    /* Upper bound of the dimensions for stack-allocation */
    if(range.dimensionsSize > UA_MAX_ARRAY_DIMS)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Copy the const range to a mutable stack location */
    UA_NumericRangeDimension thisrangedims[UA_MAX_ARRAY_DIMS];
    memcpy(thisrangedims, range.dimensions, sizeof(UA_NumericRangeDimension) * range.dimensionsSize);
    UA_NumericRange thisrange = {range.dimensionsSize, thisrangedims};

    UA_StatusCode retval = checkAdjustRange(v, &thisrange);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Compute the strides */
    size_t count, block, stride, first;
    computeStrides(v, range, &count, &block, &stride, &first);
    if(count != arraySize)
        return UA_STATUSCODE_BADINDEXRANGEINVALID;

    /* Move/copy the elements */
    size_t block_count = count / block;
    size_t elem_size = v->type->memSize;
    uintptr_t nextdst = (uintptr_t)v->data + (first * elem_size);
    uintptr_t nextsrc = (uintptr_t)array;
    if(v->type->pointerFree || !copy) {
        for(size_t i = 0; i < block_count; ++i) {
            memcpy((void*)nextdst, (void*)nextsrc, elem_size * block);
            nextsrc += block * elem_size;
            nextdst += stride * elem_size;
        }
    } else {
        for(size_t i = 0; i < block_count; ++i) {
            for(size_t j = 0; j < block; ++j) {
                clearJumpTable[v->type->typeKind]((void*)nextdst, v->type);
                retval |= UA_copy((void*)nextsrc, (void*)nextdst, v->type);
                nextdst += elem_size;
                nextsrc += elem_size;
            }
            nextdst += (stride - block) * elem_size;
        }
    }

    /* If members were moved, initialize original array to prevent reuse */
    if(!copy && !v->type->pointerFree)
        memset(array, 0, sizeof(elem_size)*arraySize);

    return retval;
}

UA_StatusCode
UA_Variant_setRange(UA_Variant *v, void * UA_RESTRICT array,
                    size_t arraySize, const UA_NumericRange range) {
    return Variant_setRange(v, array, arraySize, range, false);
}

UA_StatusCode
UA_Variant_setRangeCopy(UA_Variant *v, const void * UA_RESTRICT array,
                        size_t arraySize, const UA_NumericRange range) {
    return Variant_setRange(v, (void*)(uintptr_t)array,
                            arraySize, range, true);
}

/* LocalizedText */
static void
LocalizedText_clear(UA_LocalizedText *p, const UA_DataType *_) {
    String_clear(&p->locale, NULL);
    String_clear(&p->text, NULL);
}

static UA_StatusCode
LocalizedText_copy(UA_LocalizedText const *src, UA_LocalizedText *dst,
                   const UA_DataType *_) {
    UA_StatusCode retval = String_copy(&src->locale, &dst->locale, NULL);
    retval |= String_copy(&src->text, &dst->text, NULL);
    return retval;
}

/* DataValue */
static void
DataValue_clear(UA_DataValue *p, const UA_DataType *_) {
    Variant_clear(&p->value, NULL);
}

static UA_StatusCode
DataValue_copy(UA_DataValue const *src, UA_DataValue *dst,
               const UA_DataType *_) {
    memcpy(dst, src, sizeof(UA_DataValue));
    UA_Variant_init(&dst->value);
    UA_StatusCode retval = Variant_copy(&src->value, &dst->value, NULL);
    if(retval != UA_STATUSCODE_GOOD)
        DataValue_clear(dst, NULL);
    return retval;
}

UA_StatusCode
UA_DataValue_copyVariantRange(const UA_DataValue *src, UA_DataValue * UA_RESTRICT dst,
                              const UA_NumericRange range) {
    memcpy(dst, src, sizeof(UA_DataValue));
    UA_Variant_init(&dst->value);
    UA_StatusCode retval = UA_Variant_copyRange(&src->value, &dst->value, range);
    if(retval != UA_STATUSCODE_GOOD)
        DataValue_clear(dst, NULL);
    return retval;
}

/* DiagnosticInfo */
static void
DiagnosticInfo_clear(UA_DiagnosticInfo *p, const UA_DataType *_) {
    String_clear(&p->additionalInfo, NULL);
    if(p->hasInnerDiagnosticInfo && p->innerDiagnosticInfo) {
        DiagnosticInfo_clear(p->innerDiagnosticInfo, NULL);
        UA_free(p->innerDiagnosticInfo);
    }
}

static UA_StatusCode
DiagnosticInfo_copy(UA_DiagnosticInfo const *src, UA_DiagnosticInfo *dst,
                    const UA_DataType *_) {
    memcpy(dst, src, sizeof(UA_DiagnosticInfo));
    UA_String_init(&dst->additionalInfo);
    dst->innerDiagnosticInfo = NULL;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(src->hasAdditionalInfo)
        retval = String_copy(&src->additionalInfo, &dst->additionalInfo, NULL);
    if(src->hasInnerDiagnosticInfo && src->innerDiagnosticInfo) {
        dst->innerDiagnosticInfo = (UA_DiagnosticInfo*)
            UA_malloc(sizeof(UA_DiagnosticInfo));
        if(UA_LIKELY(dst->innerDiagnosticInfo != NULL)) {
            retval |= DiagnosticInfo_copy(src->innerDiagnosticInfo,
                                          dst->innerDiagnosticInfo, NULL);
            dst->hasInnerDiagnosticInfo = true;
        } else {
            dst->hasInnerDiagnosticInfo = false;
            retval |= UA_STATUSCODE_BADOUTOFMEMORY;
        }
    }
    return retval;
}

/********************/
/* Structured Types */
/********************/

void *
UA_new(const UA_DataType *type) {
    void *p = UA_calloc(1, type->memSize);
    return p;
}

static UA_StatusCode
copyByte(const u8 *src, u8 *dst, const UA_DataType *_) {
    *dst = *src;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copy2Byte(const u16 *src, u16 *dst, const UA_DataType *_) {
    *dst = *src;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copy4Byte(const u32 *src, u32 *dst, const UA_DataType *_) {
    *dst = *src;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copy8Byte(const u64 *src, u64 *dst, const UA_DataType *_) {
    *dst = *src;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copyGuid(const UA_Guid *src, UA_Guid *dst, const UA_DataType *_) {
    *dst = *src;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copyStructure(const void *src, void *dst, const UA_DataType *type) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    uintptr_t ptrs = (uintptr_t)src;
    uintptr_t ptrd = (uintptr_t)dst;
    for(size_t i = 0; i < type->membersSize; ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        ptrs += m->padding;
        ptrd += m->padding;
        if(!m->isOptional) {
            if(!m->isArray) {
                retval |= copyJumpTable[mt->typeKind]((const void *)ptrs, (void *)ptrd, mt);
                ptrs += mt->memSize;
                ptrd += mt->memSize;
            } else {
                size_t *dst_size = (size_t*)ptrd;
                const size_t size = *((const size_t*)ptrs);
                ptrs += sizeof(size_t);
                ptrd += sizeof(size_t);
                retval |= UA_Array_copy(*(void* const*)ptrs, size, (void**)ptrd, mt);
                if(retval == UA_STATUSCODE_GOOD)
                    *dst_size = size;
                else
                    *dst_size = 0;
                ptrs += sizeof(void*);
                ptrd += sizeof(void*);
            }
        } else {
            if(!m->isArray) {
                if(*(void* const*)ptrs != NULL)
                    retval |= UA_Array_copy(*(void* const*)ptrs, 1, (void**)ptrd, mt);
            } else {
                if(*(void* const*)(ptrs+sizeof(size_t)) != NULL) {
                    size_t *dst_size = (size_t*)ptrd;
                    const size_t size = *((const size_t*)ptrs);
                    ptrs += sizeof(size_t);
                    ptrd += sizeof(size_t);
                    retval |= UA_Array_copy(*(void* const*)ptrs, size, (void**)ptrd, mt);
                    if(retval == UA_STATUSCODE_GOOD)
                        *dst_size = size;
                    else
                        *dst_size = 0;
                } else {
                    ptrs += sizeof(size_t);
                    ptrd += sizeof(size_t);
                }
            }
            ptrs += sizeof(void*);
            ptrd += sizeof(void*);
        }
    }
    return retval;
}

static UA_StatusCode
copyUnion(const void *src, void *dst, const UA_DataType *type) {
    uintptr_t ptrs = (uintptr_t) src;
    uintptr_t ptrd = (uintptr_t) dst;
    UA_UInt32 selection = *(UA_UInt32 *)ptrs;
    UA_copy((const UA_UInt32 *) ptrs, (UA_UInt32 *) ptrd, &UA_TYPES[UA_TYPES_UINT32]);
    if(selection == 0)
        return UA_STATUSCODE_GOOD;
    const UA_DataTypeMember *m = &type->members[selection-1];
    const UA_DataType *mt = m->memberType;
    ptrs += m->padding;
    ptrd += m->padding;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;

    if (m->isArray) {
        size_t *dst_size = (size_t*)ptrd;
        const size_t size = *((const size_t*)ptrs);
        ptrs += sizeof(size_t);
        ptrd += sizeof(size_t);
        retval = UA_Array_copy(*(void* const*)ptrs, size, (void**)ptrd, mt);
        if(retval == UA_STATUSCODE_GOOD)
            *dst_size = size;
        else
            *dst_size = 0;
    } else {
        retval = copyJumpTable[mt->typeKind]((const void *)ptrs, (void *)ptrd, mt);
    }

    return retval;
}

static UA_StatusCode
copyNotImplemented(const void *src, void *dst, const UA_DataType *type) {
    return UA_STATUSCODE_BADNOTIMPLEMENTED;
}

const UA_copySignature copyJumpTable[UA_DATATYPEKINDS] = {
    (UA_copySignature)copyByte, /* Boolean */
    (UA_copySignature)copyByte, /* SByte */
    (UA_copySignature)copyByte, /* Byte */
    (UA_copySignature)copy2Byte, /* Int16 */
    (UA_copySignature)copy2Byte, /* UInt16 */
    (UA_copySignature)copy4Byte, /* Int32 */
    (UA_copySignature)copy4Byte, /* UInt32 */
    (UA_copySignature)copy8Byte, /* Int64 */
    (UA_copySignature)copy8Byte, /* UInt64 */
    (UA_copySignature)copy4Byte, /* Float */
    (UA_copySignature)copy8Byte, /* Double */
    (UA_copySignature)String_copy,
    (UA_copySignature)copy8Byte, /* DateTime */
    (UA_copySignature)copyGuid, /* Guid */
    (UA_copySignature)String_copy, /* ByteString */
    (UA_copySignature)String_copy, /* XmlElement */
    (UA_copySignature)NodeId_copy,
    (UA_copySignature)ExpandedNodeId_copy,
    (UA_copySignature)copy4Byte, /* StatusCode */
    (UA_copySignature)QualifiedName_copy,
    (UA_copySignature)LocalizedText_copy,
    (UA_copySignature)ExtensionObject_copy,
    (UA_copySignature)DataValue_copy,
    (UA_copySignature)Variant_copy,
    (UA_copySignature)DiagnosticInfo_copy,
    (UA_copySignature)copyNotImplemented, /* Decimal */
    (UA_copySignature)copy4Byte, /* Enumeration */
    (UA_copySignature)copyStructure,
    (UA_copySignature)copyStructure, /* Structure with Optional Fields */
    (UA_copySignature)copyUnion, /* Union */
    (UA_copySignature)copyNotImplemented /* BitfieldCluster*/
};

UA_StatusCode
UA_copy(const void *src, void *dst, const UA_DataType *type) {
    memset(dst, 0, type->memSize); /* init */
    UA_StatusCode retval = copyJumpTable[type->typeKind](src, dst, type);
    if(retval != UA_STATUSCODE_GOOD)
        UA_clear(dst, type);
    return retval;
}

static void
clearStructure(void *p, const UA_DataType *type) {
    uintptr_t ptr = (uintptr_t)p;
    for(size_t i = 0; i < type->membersSize; ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        ptr += m->padding;
        if(!m->isOptional) {
            if(!m->isArray) {
                clearJumpTable[mt->typeKind]((void*)ptr, mt);
                ptr += mt->memSize;
            } else {
                size_t length = *(size_t*)ptr;
                ptr += sizeof(size_t);
                UA_Array_delete(*(void**)ptr, length, mt);
                ptr += sizeof(void*);
            }
        } else { /* field is optional */
            if(!m->isArray) {
                /* optional scalar field is contained */
                if((*(void *const *)ptr != NULL))
                    UA_Array_delete(*(void **)ptr, 1, mt);
                ptr += sizeof(void *);
            } else {
                /* optional array field is contained */
                if((*(void *const *)(ptr + sizeof(size_t)) != NULL)) {
                    size_t length = *(size_t *)ptr;
                    ptr += sizeof(size_t);
                    UA_Array_delete(*(void **)ptr, length, mt);
                    ptr += sizeof(void *);
                } else { /* optional array field not contained */
                    ptr += sizeof(size_t);
                    ptr += sizeof(void *);
                }
            }
        }
    }
}

static void
clearUnion(void *p, const UA_DataType *type) {
    uintptr_t ptr = (uintptr_t) p;
    UA_UInt32 selection = *(UA_UInt32 *)ptr;
    if(selection == 0)
        return;
    const UA_DataTypeMember *m = &type->members[selection-1];
    const UA_DataType *mt = m->memberType;
    ptr += m->padding;
    if (m->isArray) {
        size_t length = *(size_t *)ptr;
        ptr += sizeof(size_t);
        UA_Array_delete(*(void **)ptr, length, mt);
    } else {
        UA_clear((void *) ptr, mt);
    }
}

static void nopClear(void *p, const UA_DataType *type) { }

const
UA_clearSignature clearJumpTable[UA_DATATYPEKINDS] = {
    (UA_clearSignature)nopClear, /* Boolean */
    (UA_clearSignature)nopClear, /* SByte */
    (UA_clearSignature)nopClear, /* Byte */
    (UA_clearSignature)nopClear, /* Int16 */
    (UA_clearSignature)nopClear, /* UInt16 */
    (UA_clearSignature)nopClear, /* Int32 */
    (UA_clearSignature)nopClear, /* UInt32 */
    (UA_clearSignature)nopClear, /* Int64 */
    (UA_clearSignature)nopClear, /* UInt64 */
    (UA_clearSignature)nopClear, /* Float */
    (UA_clearSignature)nopClear, /* Double */
    (UA_clearSignature)String_clear, /* String */
    (UA_clearSignature)nopClear, /* DateTime */
    (UA_clearSignature)nopClear, /* Guid */
    (UA_clearSignature)String_clear, /* ByteString */
    (UA_clearSignature)String_clear, /* XmlElement */
    (UA_clearSignature)NodeId_clear,
    (UA_clearSignature)ExpandedNodeId_clear,
    (UA_clearSignature)nopClear, /* StatusCode */
    (UA_clearSignature)QualifiedName_clear,
    (UA_clearSignature)LocalizedText_clear,
    (UA_clearSignature)ExtensionObject_clear,
    (UA_clearSignature)DataValue_clear,
    (UA_clearSignature)Variant_clear,
    (UA_clearSignature)DiagnosticInfo_clear,
    (UA_clearSignature)nopClear, /* Decimal, not implemented */
    (UA_clearSignature)nopClear, /* Enumeration */
    (UA_clearSignature)clearStructure,
    (UA_clearSignature)clearStructure, /* Struct with Optional Fields*/
    (UA_clearSignature)clearUnion, /* Union*/
    (UA_clearSignature)nopClear /* BitfieldCluster, not implemented*/
};

void
UA_clear(void *p, const UA_DataType *type) {
    clearJumpTable[type->typeKind](p, type);
    memset(p, 0, type->memSize); /* init */
}

void
UA_delete(void *p, const UA_DataType *type) {
    clearJumpTable[type->typeKind](p, type);
    UA_free(p);
}

/******************/
/* Value Ordering */
/******************/

#define UA_NUMERICORDER(NAME, TYPE)                                 \
    static UA_Order                                                 \
    NAME(const TYPE *p1, const TYPE *p2, const UA_DataType *type) { \
        if(*p1 != *p2)                                              \
            return (*p1 < *p2) ? UA_ORDER_LESS : UA_ORDER_MORE;     \
        return UA_ORDER_EQ;                                         \
    }

UA_NUMERICORDER(booleanOrder, UA_Boolean)
UA_NUMERICORDER(sByteOrder, UA_SByte)
UA_NUMERICORDER(byteOrder, UA_Byte)
UA_NUMERICORDER(int16Order, UA_Int16)
UA_NUMERICORDER(uInt16Order, UA_UInt16)
UA_NUMERICORDER(int32Order, UA_Int32)
UA_NUMERICORDER(uInt32Order, UA_UInt32)
UA_NUMERICORDER(int64Order, UA_Int64)
UA_NUMERICORDER(uInt64Order, UA_UInt64)

#define UA_FLOATORDER(NAME, TYPE)                                   \
    static UA_Order                                                 \
    NAME(const TYPE *p1, const TYPE *p2, const UA_DataType *type) { \
        if(*p1 != *p2) {                                            \
            /* p1 is NaN */                                         \
            if(*p1 != *p1) {                                        \
                if(*p2 != *p2)                                      \
                    return UA_ORDER_EQ;                             \
                return UA_ORDER_LESS;                               \
            }                                                       \
            /* p2 is NaN */                                         \
            if(*p2 != *p2)                                          \
                return UA_ORDER_MORE;                               \
            return (*p1 < *p2) ? UA_ORDER_LESS : UA_ORDER_MORE;     \
        }                                                           \
        return UA_ORDER_EQ;                                         \
    }

UA_FLOATORDER(floatOrder, UA_Float)
UA_FLOATORDER(doubleOrder, UA_Double)

static UA_Order
guidOrder(const UA_Guid *p1, const UA_Guid *p2, const UA_DataType *type) {
    if(p1->data1 != p2->data1)
        return (p1->data1 < p2->data1) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->data2 != p2->data2)
        return (p1->data2 < p2->data2) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->data3 != p2->data3)
        return (p1->data3 < p2->data3) ? UA_ORDER_LESS : UA_ORDER_MORE;
    int cmp = memcmp(p1->data4, p2->data4, 8);
    if(cmp != 0)
        return (cmp < 0) ? UA_ORDER_LESS : UA_ORDER_MORE;
    return UA_ORDER_EQ;
}

static UA_Order
stringOrder(const UA_String *p1, const UA_String *p2, const UA_DataType *type) {
    if(p1->length != p2->length)
        return (p1->length < p2->length) ? UA_ORDER_LESS : UA_ORDER_MORE;
    /* For zero-length arrays, every pointer not NULL is considered a
     * UA_EMPTY_ARRAY_SENTINEL. */
    if(p1->data == p2->data) return UA_ORDER_EQ;
    if(p1->data == NULL) return UA_ORDER_LESS;
    if(p2->data == NULL) return UA_ORDER_MORE;
    int cmp = memcmp((const char*)p1->data, (const char*)p2->data, p1->length);
    if(cmp != 0)
        return (cmp < 0) ? UA_ORDER_LESS : UA_ORDER_MORE;
    return UA_ORDER_EQ;
}

static UA_Order
nodeIdOrder(const UA_NodeId *p1, const UA_NodeId *p2, const UA_DataType *type) {
    return UA_NodeId_order(p1, p2);
}

static UA_Order
expandedNodeIdOrder(const UA_ExpandedNodeId *p1, const UA_ExpandedNodeId *p2,
                    const UA_DataType *type) {
    return UA_ExpandedNodeId_order(p1, p2);
}

static UA_Order
qualifiedNameOrder(const UA_QualifiedName *p1, const UA_QualifiedName *p2,
                   const UA_DataType *type) {
    if(p1->namespaceIndex != p2->namespaceIndex)
        return (p1->namespaceIndex < p2->namespaceIndex) ? UA_ORDER_LESS : UA_ORDER_MORE;
    return stringOrder(&p1->name, &p2->name, NULL);
}

static UA_Order
localizedTextOrder(const UA_LocalizedText *p1, const UA_LocalizedText *p2,
                   const UA_DataType *type) {
    UA_Order o = stringOrder(&p1->locale, &p2->locale, NULL);
    if(o != UA_ORDER_EQ)
        return o;
    return stringOrder(&p1->text, &p2->text, NULL);
}

static UA_Order
extensionObjectOrder(const UA_ExtensionObject *p1, const UA_ExtensionObject *p2,
                     const UA_DataType *type) {
    UA_ExtensionObjectEncoding enc1 = p1->encoding;
    UA_ExtensionObjectEncoding enc2 = p2->encoding;
    if(enc1 > UA_EXTENSIONOBJECT_DECODED)
        enc1 = UA_EXTENSIONOBJECT_DECODED;
    if(enc2 > UA_EXTENSIONOBJECT_DECODED)
        enc2 = UA_EXTENSIONOBJECT_DECODED;
    if(enc1 != enc2)
        return (enc1 < enc2) ? UA_ORDER_LESS : UA_ORDER_MORE;

    switch(enc1) {
    case UA_EXTENSIONOBJECT_ENCODED_NOBODY:
        return UA_ORDER_EQ;

    case UA_EXTENSIONOBJECT_ENCODED_BYTESTRING:
    case UA_EXTENSIONOBJECT_ENCODED_XML: {
            UA_Order o = UA_NodeId_order(&p1->content.encoded.typeId,
                                         &p2->content.encoded.typeId);
            if(o == UA_ORDER_EQ)
                o = stringOrder((const UA_String*)&p1->content.encoded.body,
                                (const UA_String*)&p2->content.encoded.body, NULL);
            return o;
        }
        
    case UA_EXTENSIONOBJECT_DECODED:
    default: {
            const UA_DataType *type1 = p1->content.decoded.type;
            const UA_DataType *type2 = p1->content.decoded.type;
            if(type1 != type2)
                return ((uintptr_t)type1 < (uintptr_t)type2) ? UA_ORDER_LESS : UA_ORDER_MORE;
            if(!type1)
                return UA_ORDER_EQ;
            return orderJumpTable[type1->typeKind]
                (p1->content.decoded.data, p2->content.decoded.data, type1);
        }
    }
}

static UA_Order
arrayOrder(const void *p1, size_t p1Length, const void *p2, size_t p2Length,
           const UA_DataType *type) {
    if(p1Length != p2Length)
        return (p1Length < p2Length) ? UA_ORDER_LESS : UA_ORDER_MORE;
    /* For zero-length arrays, every pointer not NULL is considered a
     * UA_EMPTY_ARRAY_SENTINEL. */
    if(p1 == p2) return UA_ORDER_EQ;
    if(p1 == NULL) return UA_ORDER_LESS;
    if(p2 == NULL) return UA_ORDER_MORE;
    uintptr_t u1 = (uintptr_t)p1;
    uintptr_t u2 = (uintptr_t)p2;
    for(size_t i = 0; i < p1Length; i++) {
        UA_Order o = orderJumpTable[type->typeKind]((const void*)u1, (const void*)u2, type);
        if(o != UA_ORDER_EQ)
            return o;
        u1 += type->memSize;
        u2 += type->memSize;
    }
    return UA_ORDER_EQ;
}

static UA_Order
variantOrder(const UA_Variant *p1, const UA_Variant *p2,
             const UA_DataType *type) {
    if(p1->type != p2->type)
        return ((uintptr_t)p1->type < (uintptr_t)p2->type) ? UA_ORDER_LESS : UA_ORDER_MORE;

    UA_Order o;
    if(p1->type != NULL) {
        /* Check if both variants are scalars or arrays */
        UA_Boolean s1 = UA_Variant_isScalar(p1);
        UA_Boolean s2 = UA_Variant_isScalar(p2);
        if(s1 != s2)
            return s1 ? UA_ORDER_LESS : UA_ORDER_MORE;
        if(s1) {
            o = orderJumpTable[p1->type->typeKind](p1->data, p2->data, p1->type);
        } else {
            /* Mismatching array length? */
            if(p1->arrayLength != p2->arrayLength)
                return (p1->arrayLength < p2->arrayLength) ? UA_ORDER_LESS : UA_ORDER_MORE;
            o = arrayOrder(p1->data, p1->arrayLength, p2->data, p2->arrayLength, p1->type);
        }
        if(o != UA_ORDER_EQ)
            return o;
    }

    if(p1->arrayDimensionsSize != p2->arrayDimensionsSize)
        return (p1->arrayDimensionsSize < p2->arrayDimensionsSize) ?
            UA_ORDER_LESS : UA_ORDER_MORE;
    o = UA_ORDER_EQ;
    if(p1->arrayDimensionsSize > 0)
        o = arrayOrder(p1->arrayDimensions, p1->arrayDimensionsSize,
                       p2->arrayDimensions, p2->arrayDimensionsSize,
                       &UA_TYPES[UA_TYPES_UINT32]);
    return o;
}

static UA_Order
dataValueOrder(const UA_DataValue *p1, const UA_DataValue *p2,
               const UA_DataType *type) {
    /* Value */
    if(p1->hasValue != p2->hasValue)
        return (!p1->hasValue) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasValue) {
        UA_Order o = variantOrder(&p1->value, &p2->value, NULL);
        if(o != UA_ORDER_EQ)
            return o;
    }

    /* Status */
    if(p1->hasStatus != p2->hasStatus)
        return (!p1->hasStatus) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasStatus && p1->status != p2->status)
        return (p1->status < p2->status) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* SourceTimestamp */
    if(p1->hasSourceTimestamp != p2->hasSourceTimestamp)
        return (!p1->hasSourceTimestamp) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasSourceTimestamp && p1->sourceTimestamp != p2->sourceTimestamp)
        return (p1->sourceTimestamp < p2->sourceTimestamp) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* ServerTimestamp */
    if(p1->hasServerTimestamp != p2->hasServerTimestamp)
        return (!p1->hasServerTimestamp) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasServerTimestamp && p1->serverTimestamp != p2->serverTimestamp)
        return (p1->serverTimestamp < p2->serverTimestamp) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* SourcePicoseconds */
    if(p1->hasSourcePicoseconds != p2->hasSourcePicoseconds)
        return (!p1->hasSourcePicoseconds) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasSourcePicoseconds && p1->sourcePicoseconds != p2->sourcePicoseconds)
        return (p1->sourcePicoseconds < p2->sourcePicoseconds) ?
            UA_ORDER_LESS : UA_ORDER_MORE;

    /* ServerPicoseconds */
    if(p1->hasServerPicoseconds != p2->hasServerPicoseconds)
        return (!p1->hasServerPicoseconds) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasServerPicoseconds && p1->serverPicoseconds != p2->serverPicoseconds)
        return (p1->serverPicoseconds < p2->serverPicoseconds) ?
            UA_ORDER_LESS : UA_ORDER_MORE;

    return UA_ORDER_EQ;
}

static UA_Order
diagnosticInfoOrder(const UA_DiagnosticInfo *p1, const UA_DiagnosticInfo *p2,
                    const UA_DataType *type) {
    /* SymbolicId */
    if(p1->hasSymbolicId != p2->hasSymbolicId)
        return (!p1->hasSymbolicId) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasSymbolicId && p1->symbolicId != p2->symbolicId)
        return (p1->symbolicId < p2->symbolicId) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* NamespaceUri */
    if(p1->hasNamespaceUri != p2->hasNamespaceUri)
        return (!p1->hasNamespaceUri) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasNamespaceUri && p1->namespaceUri != p2->namespaceUri)
        return (p1->namespaceUri < p2->namespaceUri) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* LocalizedText */
    if(p1->hasLocalizedText != p2->hasLocalizedText)
        return (!p1->hasLocalizedText) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasLocalizedText && p1->localizedText != p2->localizedText)
        return (p1->localizedText < p2->localizedText) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* Locale */
    if(p1->hasLocale != p2->hasLocale)
        return (!p1->hasLocale) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasLocale && p1->locale != p2->locale)
        return (p1->locale < p2->locale) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* AdditionalInfo */
    if(p1->hasAdditionalInfo != p2->hasAdditionalInfo)
        return (!p1->hasAdditionalInfo) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasAdditionalInfo) {
        UA_Order o = stringOrder(&p1->additionalInfo, &p2->additionalInfo, NULL);
        if(o != UA_ORDER_EQ)
            return o;
    }

    /* InnerStatusCode */
    if(p1->hasInnerStatusCode != p2->hasInnerStatusCode)
        return (!p1->hasInnerStatusCode) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->hasInnerStatusCode && p1->innerStatusCode != p2->innerStatusCode)
        return (p1->innerStatusCode < p2->innerStatusCode) ? UA_ORDER_LESS : UA_ORDER_MORE;

    /* InnerDiagnosticInfo */
    if(p1->hasInnerDiagnosticInfo != p2->hasInnerDiagnosticInfo)
        return (!p1->hasInnerDiagnosticInfo) ? UA_ORDER_LESS : UA_ORDER_MORE;
    if(p1->innerDiagnosticInfo == p2->innerDiagnosticInfo)
        return UA_ORDER_EQ;
    if(!p1->innerDiagnosticInfo || !p2->innerDiagnosticInfo)
        return (!p1->innerDiagnosticInfo) ? UA_ORDER_LESS : UA_ORDER_MORE;
    return diagnosticInfoOrder(p1->innerDiagnosticInfo, p2->innerDiagnosticInfo, NULL);
}

static UA_Order
structureOrder(const void *p1, const void *p2, const UA_DataType *type) {
    uintptr_t u1 = (uintptr_t)p1;
    uintptr_t u2 = (uintptr_t)p2;
    UA_Order o = UA_ORDER_EQ;
    for(size_t i = 0; i < type->membersSize; ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        u1 += m->padding;
        u2 += m->padding;
        if(!m->isOptional) {
            if(!m->isArray) {
                o = orderJumpTable[mt->typeKind]((const void *)u1, (const void *)u2, mt);
                u1 += mt->memSize;
                u2 += mt->memSize;
            } else {
                size_t size1 = *(size_t*)u1;
                size_t size2 = *(size_t*)u2;
                u1 += sizeof(size_t);
                u2 += sizeof(size_t);
                o = arrayOrder(*(void* const*)u1, size1, *(void* const*)u2, size2, mt);
                u1 += sizeof(void*);
                u2 += sizeof(void*);
            }
        } else {
            if(!m->isArray) {
                const void *pp1 = *(void* const*)u1;
                const void *pp2 = *(void* const*)u2;
                if(pp1 == pp2) {
                    o = UA_ORDER_EQ;
                } else if(pp1 == NULL) {
                    o = UA_ORDER_LESS;
                } else if(pp2 == NULL) {
                    o = UA_ORDER_MORE;
                } else {
                    o = orderJumpTable[mt->typeKind](pp1, pp2, mt);
                }
            } else {
                size_t sa1 = *(size_t*)u1;
                size_t sa2 = *(size_t*)u2;
                u1 += sizeof(size_t);
                u2 += sizeof(size_t);
                o = arrayOrder(*(void* const*)u1, sa1, *(void* const*)u2, sa2, mt);
            }
            u1 += sizeof(void*);
            u2 += sizeof(void*);
        }

        if(o != UA_ORDER_EQ)
            break;
    }
    return o;
}

static UA_Order
unionOrder(const void *p1, const void *p2, const UA_DataType *type) {
    UA_UInt32 sel1 = *(const UA_UInt32 *)p1;
    UA_UInt32 sel2 = *(const UA_UInt32 *)p2;
    if(sel1 != sel2)
        return (sel1 < sel2) ? UA_ORDER_LESS : UA_ORDER_MORE;

    if(sel1 == 0) {
        return UA_ORDER_EQ;
    }

    const UA_DataTypeMember *m = &type->members[sel1-1];
    const UA_DataType *mt = m->memberType;

    uintptr_t u1 = ((uintptr_t)p1) + m->padding; /* includes switchfield length */
    uintptr_t u2 = ((uintptr_t)p2) + m->padding;
    if(m->isArray) {
        size_t sa1 = *(size_t*)u1;
        size_t sa2 = *(size_t*)u2;
        u1 += sizeof(size_t);
        u2 += sizeof(size_t);
        return arrayOrder(*(void* const*)u1, sa1, *(void* const*)u2, sa2, mt);
    }
    return orderJumpTable[mt->typeKind]((const void*)u1, (const void*)u2, mt);
}

static UA_Order
notImplementedOrder(const void *p1, const void *p2, const UA_DataType *type) {
    return UA_ORDER_EQ;
}

const
UA_orderSignature orderJumpTable[UA_DATATYPEKINDS] = {
    (UA_orderSignature)booleanOrder,
    (UA_orderSignature)sByteOrder,
    (UA_orderSignature)byteOrder,
    (UA_orderSignature)int16Order,
    (UA_orderSignature)uInt16Order,
    (UA_orderSignature)int32Order,
    (UA_orderSignature)uInt32Order,
    (UA_orderSignature)int64Order,
    (UA_orderSignature)uInt64Order,
    (UA_orderSignature)floatOrder,
    (UA_orderSignature)doubleOrder,
    (UA_orderSignature)stringOrder,
    (UA_orderSignature)int64Order,  /* DateTime */
    (UA_orderSignature)guidOrder,
    (UA_orderSignature)stringOrder, /* ByteString */
    (UA_orderSignature)stringOrder, /* XmlElement */
    (UA_orderSignature)nodeIdOrder,
    (UA_orderSignature)expandedNodeIdOrder,
    (UA_orderSignature)uInt32Order, /* StatusCode */
    (UA_orderSignature)qualifiedNameOrder,
    (UA_orderSignature)localizedTextOrder,
    (UA_orderSignature)extensionObjectOrder,
    (UA_orderSignature)dataValueOrder,
    (UA_orderSignature)variantOrder,
    (UA_orderSignature)diagnosticInfoOrder,
    notImplementedOrder, /* Decimal, not implemented */
    (UA_orderSignature)uInt32Order, /* Enumeration */
    (UA_orderSignature)structureOrder,
    (UA_orderSignature)structureOrder, /* Struct with Optional Fields*/
    (UA_orderSignature)unionOrder, /* Union*/
    notImplementedOrder /* BitfieldCluster, not implemented */
};

UA_Order UA_order(const void *p1, const void *p2, const UA_DataType *type) {
    return orderJumpTable[type->typeKind](p1, p2, type);
}

/******************/
/* Array Handling */
/******************/

void *
UA_Array_new(size_t size, const UA_DataType *type) {
    if(size > UA_INT32_MAX)
        return NULL;
    if(size == 0)
        return UA_EMPTY_ARRAY_SENTINEL;
    return UA_calloc(size, type->memSize);
}

UA_StatusCode
UA_Array_copy(const void *src, size_t size,
              void **dst, const UA_DataType *type) {
    if(size == 0) {
        if(src == NULL)
            *dst = NULL;
        else
            *dst= UA_EMPTY_ARRAY_SENTINEL;
        return UA_STATUSCODE_GOOD;
    }

    if(!type)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* calloc, so we don't have to check retval in every iteration of copying */
    *dst = UA_calloc(size, type->memSize);
    if(!*dst)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    if(type->pointerFree) {
        memcpy(*dst, src, type->memSize * size);
        return UA_STATUSCODE_GOOD;
    }

    uintptr_t ptrs = (uintptr_t)src;
    uintptr_t ptrd = (uintptr_t)*dst;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < size; ++i) {
        retval |= UA_copy((void*)ptrs, (void*)ptrd, type);
        ptrs += type->memSize;
        ptrd += type->memSize;
    }
    if(retval != UA_STATUSCODE_GOOD) {
        UA_Array_delete(*dst, size, type);
        *dst = NULL;
    }
    return retval;
}

UA_StatusCode
UA_Array_resize(void **p, size_t *size, size_t newSize,
                const UA_DataType *type) {
    if(*size == newSize)
        return UA_STATUSCODE_GOOD;

    /* Empty array? */
    if(newSize == 0) {
        UA_Array_delete(*p, *size, type);
        *p = UA_EMPTY_ARRAY_SENTINEL;
        *size = 0;
        return UA_STATUSCODE_GOOD;
    }

    /* Make a copy of the members that shall be removed. Realloc can fail during
     * trimming. So we cannot clear the members already here. */
    void *deleteMembers = NULL;
    if(newSize < *size && !type->pointerFree) {
        size_t deleteSize = *size - newSize;
        deleteMembers = UA_malloc(deleteSize * type->memSize);
        if(!deleteMembers)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        memcpy(deleteMembers, (void*)((uintptr_t)*p + (newSize * type->memSize)),
               deleteSize * type->memSize); /* shallow copy */
    }

    void *oldP = *p;
    if(oldP == UA_EMPTY_ARRAY_SENTINEL)
        oldP = NULL;

    /* Realloc */
    void *newP = UA_realloc(oldP, newSize * type->memSize);
    if(!newP) {
        if(deleteMembers)
            UA_free(deleteMembers);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    /* Clear removed members or initialize the new ones. Note that deleteMembers
     * depends on type->pointerFree. */
    if(newSize > *size)
        memset((void*)((uintptr_t)newP + (*size * type->memSize)), 0,
               (newSize - *size) * type->memSize);
    else if(deleteMembers)
        UA_Array_delete(deleteMembers, *size - newSize, type);

    /* Set the new array */
    *p = newP;
    *size = newSize;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Array_append(void **p, size_t *size, void *newElem,
                const UA_DataType *type) {
    /* Resize the array */
    size_t oldSize = *size;
    UA_StatusCode res = UA_Array_resize(p, size, oldSize+1, type);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    /* Move the value */
    memcpy((void*)((uintptr_t)*p + (oldSize * type->memSize)),
           newElem, type->memSize);
    UA_init(newElem, type);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode UA_EXPORT
UA_Array_appendCopy(void **p, size_t *size, const void *newElem,
                    const UA_DataType *type) {
    char scratch[512];
    if(type->memSize > 512)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Copy the value */
    UA_StatusCode res = UA_copy(newElem, (void*)scratch, type);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    /* Append */
    res = UA_Array_append(p, size, (void*)scratch, type);
    if(res != UA_STATUSCODE_GOOD)
        UA_clear((void*)scratch, type);
    return res;
}

void
UA_Array_delete(void *p, size_t size, const UA_DataType *type) {
    if(!type->pointerFree) {
        uintptr_t ptr = (uintptr_t)p;
        for(size_t i = 0; i < size; ++i) {
            UA_clear((void*)ptr, type);
            ptr += type->memSize;
        }
    }
    UA_free((void*)((uintptr_t)p & ~(uintptr_t)UA_EMPTY_ARRAY_SENTINEL));
}

#ifdef UA_ENABLE_TYPEDESCRIPTION
UA_Boolean
UA_DataType_getStructMember(const UA_DataType *type, const char *memberName,
                            size_t *outOffset, const UA_DataType **outMemberType,
                            UA_Boolean *outIsArray) {
    if(type->typeKind != UA_DATATYPEKIND_STRUCTURE &&
       type->typeKind != UA_DATATYPEKIND_OPTSTRUCT)
        return false;

    size_t offset = 0;
    for(size_t i = 0; i < type->membersSize; ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        offset += m->padding;

        if(strcmp(memberName, m->memberName) == 0) {
            *outOffset = offset;
            *outMemberType = mt;
            *outIsArray = m->isArray;
            return true;
        }

        if(!m->isOptional) {
            if(!m->isArray) {
                offset += mt->memSize;
            } else {
                offset += sizeof(size_t);
                offset += sizeof(void*);
            }
        } else { /* field is optional */
            if(!m->isArray) {
                offset += sizeof(void *);
            } else {
                offset += sizeof(size_t);
                offset += sizeof(void *);
            }
        }
    }

    return false;
}
#endif

UA_Boolean
UA_DataType_isNumeric(const UA_DataType *type) {
    switch(type->typeKind) {
    case UA_DATATYPEKIND_SBYTE:
    case UA_DATATYPEKIND_BYTE:
    case UA_DATATYPEKIND_INT16:
    case UA_DATATYPEKIND_UINT16:
    case UA_DATATYPEKIND_INT32:
    case UA_DATATYPEKIND_UINT32:
    case UA_DATATYPEKIND_INT64:
    case UA_DATATYPEKIND_UINT64:
    case UA_DATATYPEKIND_FLOAT:
    case UA_DATATYPEKIND_DOUBLE:
    /* not implemented: UA_DATATYPEKIND_DECIMAL */
        return true;
    default:
        return false;
    }
}

UA_Int16
UA_DataType_getPrecedence(const UA_DataType *type){
    //Defined in Part 4 Table 123 "Data Precedence Rules"
    switch(type->typeKind) {
        case UA_DATATYPEKIND_DOUBLE:
            return 1;
        case UA_DATATYPEKIND_FLOAT:
            return 2;
        case UA_DATATYPEKIND_INT64:
            return 3;
        case UA_DATATYPEKIND_UINT64:
            return 4;
        case UA_DATATYPEKIND_INT32:
            return 5;
        case UA_DATATYPEKIND_UINT32:
            return 6;
        case UA_DATATYPEKIND_STATUSCODE:
            return 7;
        case UA_DATATYPEKIND_INT16:
            return 8;
        case UA_DATATYPEKIND_UINT16:
            return 9;
        case UA_DATATYPEKIND_SBYTE:
            return 10;
        case UA_DATATYPEKIND_BYTE:
            return 11;
        case UA_DATATYPEKIND_BOOLEAN:
            return 12;
        case UA_DATATYPEKIND_GUID:
            return 13;
        case UA_DATATYPEKIND_STRING:
            return 14;
        case UA_DATATYPEKIND_EXPANDEDNODEID:
            return 15;
        case UA_DATATYPEKIND_NODEID:
            return 16;
        case UA_DATATYPEKIND_LOCALIZEDTEXT:
            return 17;
        case UA_DATATYPEKIND_QUALIFIEDNAME:
            return 18;
        default:
            return -1;
    }
}

/**********************/
/* Parse NumericRange */
/**********************/

static size_t
readDimension(UA_Byte *buf, size_t buflen, UA_NumericRangeDimension *dim) {
    size_t progress = UA_readNumber(buf, buflen, &dim->min);
    if(progress == 0)
        return 0;
    if(buflen <= progress + 1 || buf[progress] != ':') {
        dim->max = dim->min;
        return progress;
    }

    ++progress;
    size_t progress2 = UA_readNumber(&buf[progress], buflen - progress, &dim->max);
    if(progress2 == 0)
        return 0;

    /* invalid range */
    if(dim->min >= dim->max)
        return 0;

    return progress + progress2;
}

UA_StatusCode
UA_NumericRange_parse(UA_NumericRange *range, const UA_String str) {
    size_t idx = 0;
    size_t dimensionsMax = 0;
    UA_NumericRangeDimension *dimensions = NULL;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    size_t offset = 0;
    while(true) {
        /* alloc dimensions */
        if(idx >= dimensionsMax) {
            UA_NumericRangeDimension *newds;
            size_t newdssize = sizeof(UA_NumericRangeDimension) * (dimensionsMax + 2);
            newds = (UA_NumericRangeDimension*)UA_realloc(dimensions, newdssize);
            if(!newds) {
                retval = UA_STATUSCODE_BADOUTOFMEMORY;
                break;
            }
            dimensions = newds;
            dimensionsMax = dimensionsMax + 2;
        }

        /* read the dimension */
        size_t progress = readDimension(&str.data[offset], str.length - offset,
                                        &dimensions[idx]);
        if(progress == 0) {
            retval = UA_STATUSCODE_BADINDEXRANGEINVALID;
            break;
        }
        offset += progress;
        ++idx;

        /* loop into the next dimension */
        if(offset >= str.length)
            break;

        if(str.data[offset] != ',') {
            retval = UA_STATUSCODE_BADINDEXRANGEINVALID;
            break;
        }
        ++offset;
    }

    if(retval == UA_STATUSCODE_GOOD && idx > 0) {
        range->dimensions = dimensions;
        range->dimensionsSize = idx;
    } else {
        UA_free(dimensions);
    }

    return retval;
}

/**** amalgamated original file "/src/ua_types_encoding_binary.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2020 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 *    Copyright 2020 (c) Grigory Friedman
 *    Copyright 2014-2021 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2017 (c) Florian Palm
 *    Copyright 2014-2016 (c) Sten Grüner
 *    Copyright 2014 (c) Leon Urbas
 *    Copyright 2015 (c) LEvertz
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2016 (c) Lorenz Haas
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2017 (c) Henrik Norrman
 */



/**
 * Type Encoding and Decoding
 * --------------------------
 * The following methods contain encoding and decoding functions for the builtin
 * data types and generic functions that operate on all types and arrays. This
 * requires the type description from a UA_DataType structure.
 *
 * Breaking a message up into chunks is integrated with the encoding. When the
 * end of a buffer is reached, a callback is executed that sends the current
 * buffer as a chunk and exchanges the encoding buffer "underneath" the ongoing
 * encoding. This reduces the RAM requirements and unnecessary copying. */

/* Part 6 §5.1.5: Decoders shall support at least 100 nesting levels */
#define UA_ENCODING_MAX_RECURSION 100

typedef struct {
    /* Pointers to the current and last buffer position */
    u8 *pos;
    const u8 *end;

    /* How often did we en-/decoding recurse? */
    u16 depth;

    const UA_DataTypeArray *customTypes;
    UA_exchangeEncodeBuffer exchangeBufferCallback;
    void *exchangeBufferCallbackHandle;
} Ctx;

typedef status
(*encodeBinarySignature)(const void *UA_RESTRICT src, const UA_DataType *type,
                         Ctx *UA_RESTRICT ctx);
typedef status
(*decodeBinarySignature)(void *UA_RESTRICT dst, const UA_DataType *type,
                         Ctx *UA_RESTRICT ctx);
typedef size_t
(*calcSizeBinarySignature)(const void *UA_RESTRICT p, const UA_DataType *type);

#define ENCODE_BINARY(TYPE) static status                               \
    TYPE##_encodeBinary(const UA_##TYPE *UA_RESTRICT src,               \
                        const UA_DataType *type, Ctx *UA_RESTRICT ctx)
#define DECODE_BINARY(TYPE) static status                               \
    TYPE##_decodeBinary(UA_##TYPE *UA_RESTRICT dst,                     \
                        const UA_DataType *type, Ctx *UA_RESTRICT ctx)
#define CALCSIZE_BINARY(TYPE) static size_t                             \
    TYPE##_calcSizeBinary(const UA_##TYPE *UA_RESTRICT src, const UA_DataType *_)
#define ENCODE_DIRECT(SRC, TYPE) TYPE##_encodeBinary((const UA_##TYPE*)SRC, NULL, ctx)
#define DECODE_DIRECT(DST, TYPE) TYPE##_decodeBinary((UA_##TYPE*)DST, NULL, ctx)

/* Jumptables for de-/encoding and computing the buffer length. The methods in
 * the decoding jumptable do not all clean up their allocated memory when an
 * error occurs. So a final _clear needs to be called before returning to the
 * user. */
extern const encodeBinarySignature encodeBinaryJumpTable[UA_DATATYPEKINDS];
extern const decodeBinarySignature decodeBinaryJumpTable[UA_DATATYPEKINDS];
extern const calcSizeBinarySignature calcSizeBinaryJumpTable[UA_DATATYPEKINDS];

/* Send the current chunk and replace the buffer */
static status exchangeBuffer(Ctx *ctx) {
    if(!ctx->exchangeBufferCallback)
        return UA_STATUSCODE_BADENCODINGERROR;
    return ctx->exchangeBufferCallback(ctx->exchangeBufferCallbackHandle,
                                       &ctx->pos, &ctx->end);
}

/* If encoding fails, exchange the buffer and try again. */
static status
encodeWithExchangeBuffer(const void *ptr, const UA_DataType *type, Ctx *ctx) {
    u8 *oldpos = ctx->pos; /* Last known good position */
#ifndef NDEBUG
    /* We have to ensure that the buffer was not exchanged AND
     * BADENCODINGLIMITSEXCEEDED was returned. If that were the case, oldpos
     * would be invalid. That means, a type encoding must never return
     * BADENCODINGLIMITSEXCEEDED once the buffer could have been exchanged. This
     * is achieved by the use of encodeWithExchangeBuffer. */
    const u8 *oldend = ctx->end;
    (void)oldend; /* For compilers who don't understand NDEBUG... */
#endif
    status ret = encodeBinaryJumpTable[type->typeKind](ptr, type, ctx);
    if(ret == UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED) {
        UA_assert(ctx->end == oldend);
        ctx->pos = oldpos; /* Set to the last known good position and exchange */
        ret = exchangeBuffer(ctx);
        UA_CHECK_STATUS(ret, return ret);
        ret = encodeBinaryJumpTable[type->typeKind](ptr, type, ctx);
    }
    return ret;
}

/*****************/
/* Integer Types */
/*****************/

#if !UA_BINARY_OVERLAYABLE_INTEGER

#pragma message "Integer endianness could not be detected to be little endian. Use slow generic encoding."

/* These en/decoding functions are only used when the architecture isn't little-endian. */
static void
UA_encode16(const u16 v, u8 buf[2]) {
    buf[0] = (u8)v;
    buf[1] = (u8)(v >> 8);
}

static void
UA_decode16(const u8 buf[2], u16 *v) {
    *v = (u16)((u16)buf[0] + (((u16)buf[1]) << 8));
}

static void
UA_encode32(const u32 v, u8 buf[4]) {
    buf[0] = (u8)v;
    buf[1] = (u8)(v >> 8);
    buf[2] = (u8)(v >> 16);
    buf[3] = (u8)(v >> 24);
}

static void
UA_decode32(const u8 buf[4], u32 *v) {
    *v = (u32)((u32)buf[0] + (((u32)buf[1]) << 8) +
             (((u32)buf[2]) << 16) + (((u32)buf[3]) << 24));
}

static void
UA_encode64(const u64 v, u8 buf[8]) {
    buf[0] = (u8)v;
    buf[1] = (u8)(v >> 8);
    buf[2] = (u8)(v >> 16);
    buf[3] = (u8)(v >> 24);
    buf[4] = (u8)(v >> 32);
    buf[5] = (u8)(v >> 40);
    buf[6] = (u8)(v >> 48);
    buf[7] = (u8)(v >> 56);
}

static void
UA_decode64(const u8 buf[8], u64 *v) {
    *v = (u64)((u64)buf[0] + (((u64)buf[1]) << 8) +
             (((u64)buf[2]) << 16) + (((u64)buf[3]) << 24) +
             (((u64)buf[4]) << 32) + (((u64)buf[5]) << 40) +
             (((u64)buf[6]) << 48) + (((u64)buf[7]) << 56));
}

#endif /* !UA_BINARY_OVERLAYABLE_INTEGER */

/* Boolean */
/* Note that sizeof(bool) != 1 on some platforms. Overlayable integer encoding
 * is disabled in those cases. */
ENCODE_BINARY(Boolean) {
    UA_CHECK(ctx->pos + 1 <= ctx->end, return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    *ctx->pos = *(const u8*)src;
    ++ctx->pos;
    return UA_STATUSCODE_GOOD;
}

DECODE_BINARY(Boolean) {
    UA_CHECK(ctx->pos + 1 <= ctx->end, return UA_STATUSCODE_BADDECODINGERROR);
    *dst = (*ctx->pos > 0) ? true : false;
    ++ctx->pos;
    return UA_STATUSCODE_GOOD;
}

/* Byte */
ENCODE_BINARY(Byte) {
    UA_CHECK(ctx->pos + sizeof(u8) <= ctx->end,
             return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    *ctx->pos = *(const u8*)src;
    ++ctx->pos;
    return UA_STATUSCODE_GOOD;
}

DECODE_BINARY(Byte) {
    UA_CHECK(ctx->pos + sizeof(u8) <= ctx->end,
             return UA_STATUSCODE_BADDECODINGERROR);
    *dst = *ctx->pos;
    ++ctx->pos;
    return UA_STATUSCODE_GOOD;
}

/* UInt16 */
ENCODE_BINARY(UInt16) {
    UA_CHECK(ctx->pos + sizeof(u16) <= ctx->end,
             return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
#if UA_BINARY_OVERLAYABLE_INTEGER
    memcpy(ctx->pos, src, sizeof(u16));
#else
    UA_encode16(*src, ctx->pos);
#endif
    ctx->pos += 2;
    return UA_STATUSCODE_GOOD;
}

DECODE_BINARY(UInt16) {
    UA_CHECK(ctx->pos + sizeof(u16) <= ctx->end,
             return UA_STATUSCODE_BADDECODINGERROR);
#if UA_BINARY_OVERLAYABLE_INTEGER
    memcpy(dst, ctx->pos, sizeof(u16));
#else
    UA_decode16(ctx->pos, dst);
#endif
    ctx->pos += 2;
    return UA_STATUSCODE_GOOD;
}

/* UInt32 */
ENCODE_BINARY(UInt32) {
    UA_CHECK(ctx->pos + sizeof(u32) <= ctx->end,
             return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
#if UA_BINARY_OVERLAYABLE_INTEGER
    memcpy(ctx->pos, src, sizeof(u32));
#else
    UA_encode32(*src, ctx->pos);
#endif
    ctx->pos += 4;
    return UA_STATUSCODE_GOOD;
}

DECODE_BINARY(UInt32) {
    UA_CHECK(ctx->pos + sizeof(u32) <= ctx->end,
             return UA_STATUSCODE_BADDECODINGERROR);
#if UA_BINARY_OVERLAYABLE_INTEGER
    memcpy(dst, ctx->pos, sizeof(u32));
#else
    UA_decode32(ctx->pos, dst);
#endif
    ctx->pos += 4;
    return UA_STATUSCODE_GOOD;
}

/* UInt64 */
ENCODE_BINARY(UInt64) {
    UA_CHECK(ctx->pos + sizeof(u64) <= ctx->end,
             return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
#if UA_BINARY_OVERLAYABLE_INTEGER
    memcpy(ctx->pos, src, sizeof(u64));
#else
    UA_encode64(*src, ctx->pos);
#endif
    ctx->pos += 8;
    return UA_STATUSCODE_GOOD;
}

DECODE_BINARY(UInt64) {
    UA_CHECK(ctx->pos + sizeof(u64) <= ctx->end,
             return UA_STATUSCODE_BADDECODINGERROR);
#if UA_BINARY_OVERLAYABLE_INTEGER
    memcpy(dst, ctx->pos, sizeof(u64));
#else
    UA_decode64(ctx->pos, dst);
#endif
    ctx->pos += 8;
    return UA_STATUSCODE_GOOD;
}

/************************/
/* Floating Point Types */
/************************/

/* Can we reuse the integer encoding mechanism by casting floating point
 * values? */
#if (UA_FLOAT_IEEE754 == 1) && (UA_LITTLE_ENDIAN == UA_FLOAT_LITTLE_ENDIAN)
# define Float_encodeBinary UInt32_encodeBinary
# define Float_decodeBinary UInt32_decodeBinary
# define Double_encodeBinary UInt64_encodeBinary
# define Double_decodeBinary UInt64_decodeBinary
#else

#include <math.h>

#pragma message "No native IEEE 754 format detected. Use slow generic encoding."

/* Handling of IEEE754 floating point values was taken from Beej's Guide to
 * Network Programming (http://beej.us/guide/bgnet/) and enhanced to cover the
 * edge cases +/-0, +/-inf and nan. */
static uint64_t
pack754(long double f, unsigned bits, unsigned expbits) {
    unsigned significandbits = bits - expbits - 1;
    long double fnorm;
    long long sign;
    if(f < 0) { sign = 1; fnorm = -f; }
    else { sign = 0; fnorm = f; }
    int shift = 0;
    while(fnorm >= 2.0) { fnorm /= 2.0; ++shift; }
    while(fnorm < 1.0) { fnorm *= 2.0; --shift; }
    fnorm = fnorm - 1.0;
    long long significand = (long long)(fnorm * ((float)(1LL<<significandbits) + 0.5f));
    long long exponent = shift + ((1<<(expbits-1)) - 1);
    return (uint64_t)((sign<<(bits-1)) | (exponent<<(bits-expbits-1)) | significand);
}

static long double
unpack754(uint64_t i, unsigned bits, unsigned expbits) {
    unsigned significandbits = bits - expbits - 1;
    long double result = (long double)(i&(uint64_t)((1LL<<significandbits)-1));
    result /= (long double)(1LL<<significandbits);
    result += 1.0f;
    unsigned bias = (unsigned)(1<<(expbits-1)) - 1;
    long long shift = (long long)((i>>significandbits) & (uint64_t)((1LL<<expbits)-1)) - bias;
    while(shift > 0) { result *= 2.0; --shift; }
    while(shift < 0) { result /= 2.0; ++shift; }
    result *= ((i>>(bits-1))&1)? -1.0: 1.0;
    return result;
}

/* Float */
#define FLOAT_NAN 0xffc00000
#define FLOAT_INF 0x7f800000
#define FLOAT_NEG_INF 0xff800000
#define FLOAT_NEG_ZERO 0x80000000

ENCODE_BINARY(Float) {
    UA_Float f = *src;
    u32 encoded;
    /* cppcheck-suppress duplicateExpression */
    if(f != f) encoded = FLOAT_NAN;
    else if(f == 0.0f) encoded = signbit(f) ? FLOAT_NEG_ZERO : 0;
    else if(f/f != f/f) encoded = f > 0 ? FLOAT_INF : FLOAT_NEG_INF;
    else encoded = (u32)pack754(f, 32, 8);
    return ENCODE_DIRECT(&encoded, UInt32);
}

DECODE_BINARY(Float) {
    u32 decoded;
    status ret = DECODE_DIRECT(&decoded, UInt32);
    if(ret != UA_STATUSCODE_GOOD)
        return ret;
    if(decoded == 0) *dst = 0.0f;
    else if(decoded == FLOAT_NEG_ZERO) *dst = -0.0f;
    else if(decoded == FLOAT_INF) *dst = INFINITY;
    else if(decoded == FLOAT_NEG_INF) *dst = -INFINITY;
    else if((decoded >= 0x7f800001 && decoded <= 0x7fffffff) ||
       (decoded >= 0xff800001)) *dst = NAN;
    else *dst = (UA_Float)unpack754(decoded, 32, 8);
    return UA_STATUSCODE_GOOD;
}

/* Double */
#define DOUBLE_NAN 0xfff8000000000000L
#define DOUBLE_INF 0x7ff0000000000000L
#define DOUBLE_NEG_INF 0xfff0000000000000L
#define DOUBLE_NEG_ZERO 0x8000000000000000L

ENCODE_BINARY(Double) {
    UA_Double d = *src;
    u64 encoded;
    /* cppcheck-suppress duplicateExpression */
    if(d != d) encoded = DOUBLE_NAN;
    else if(d == 0.0) encoded = signbit(d) ? DOUBLE_NEG_ZERO : 0;
    else if(d/d != d/d) encoded = d > 0 ? DOUBLE_INF : DOUBLE_NEG_INF;
    else encoded = pack754(d, 64, 11);
    return ENCODE_DIRECT(&encoded, UInt64);
}

DECODE_BINARY(Double) {
    u64 decoded;
    status ret = DECODE_DIRECT(&decoded, UInt64);
    UA_CHECK_STATUS(ret, return ret);
    if(decoded == 0) *dst = 0.0;
    else if(decoded == DOUBLE_NEG_ZERO) *dst = -0.0;
    else if(decoded == DOUBLE_INF) *dst = INFINITY;
    else if(decoded == DOUBLE_NEG_INF) *dst = -INFINITY;
    else if((decoded >= 0x7ff0000000000001L && decoded <= 0x7fffffffffffffffL) ||
       (decoded >= 0xfff0000000000001L)) *dst = NAN;
    else *dst = (UA_Double)unpack754(decoded, 64, 11);
    return UA_STATUSCODE_GOOD;
}

#endif

/******************/
/* Array Handling */
/******************/

static status
Array_encodeBinaryOverlayable(uintptr_t ptr, size_t memSize, Ctx *ctx) {
    /* Loop as long as more elements remain than fit into the chunk */
    while(ctx->end < ctx->pos + memSize) {
        size_t possible = ((uintptr_t)ctx->end - (uintptr_t)ctx->pos);
        memcpy(ctx->pos, (void*)ptr, possible);
        ctx->pos += possible;
        ptr += possible;
        status ret = exchangeBuffer(ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        UA_CHECK_STATUS(ret, return ret);
        memSize -= possible;
    }

    /* Encode the remaining elements */
    memcpy(ctx->pos, (void*)ptr, memSize);
    ctx->pos += memSize;
    return UA_STATUSCODE_GOOD;
}

static status
Array_encodeBinaryComplex(uintptr_t ptr, size_t length,
                          const UA_DataType *type, Ctx *ctx) {
    /* Encode every element */
    for(size_t i = 0; i < length; ++i) {
        status ret = encodeWithExchangeBuffer((const void*)ptr, type, ctx);
        ptr += type->memSize;
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        UA_CHECK_STATUS(ret, return ret); /* Unrecoverable fail */
    }
    return UA_STATUSCODE_GOOD;
}

static status
Array_encodeBinary(const void *src, size_t length, const UA_DataType *type, Ctx *ctx) {
    /* Check and convert the array length to int32 */
    i32 signed_length = -1;
    if(length > UA_INT32_MAX)
        return UA_STATUSCODE_BADINTERNALERROR;
    if(length > 0)
        signed_length = (i32)length;
    else if(src == UA_EMPTY_ARRAY_SENTINEL)
        signed_length = 0;

    /* Encode the array length */
    status ret = encodeWithExchangeBuffer(&signed_length, &UA_TYPES[UA_TYPES_INT32], ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the content */
    if(length > 0) {
        if(type->overlayable)
            ret = Array_encodeBinaryOverlayable((uintptr_t)src, length * type->memSize, ctx);
        else
            ret = Array_encodeBinaryComplex((uintptr_t)src, length, type, ctx);
    }
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    return ret;
}

static status
Array_decodeBinary(void *UA_RESTRICT *UA_RESTRICT dst, size_t *out_length,
                   const UA_DataType *type, Ctx *ctx) {
    /* Decode the length */
    i32 signed_length;
    status ret = DECODE_DIRECT(&signed_length, UInt32); /* Int32 */
    UA_CHECK_STATUS(ret, return ret);

    /* Return early for empty arrays */
    if(signed_length <= 0) {
        *out_length = 0;
        if(signed_length < 0)
            *dst = NULL;
        else
            *dst = UA_EMPTY_ARRAY_SENTINEL;
        return UA_STATUSCODE_GOOD;
    }

    /* Filter out arrays that can obviously not be decoded, because the message
     * is too small for the array length. This prevents the allocation of very
     * long arrays for bogus messages.*/
    size_t length = (size_t)signed_length;
    UA_CHECK(ctx->pos + ((type->memSize * length) / 32) <= ctx->end,
             return UA_STATUSCODE_BADDECODINGERROR);

    /* Allocate memory */
    *dst = UA_calloc(length, type->memSize);
    UA_CHECK_MEM(*dst, return UA_STATUSCODE_BADOUTOFMEMORY);

    if(type->overlayable) {
        /* memcpy overlayable array */
        UA_CHECK(ctx->pos + (type->memSize * length) <= ctx->end,
                 UA_free(*dst); *dst = NULL; return UA_STATUSCODE_BADDECODINGERROR);
        memcpy(*dst, ctx->pos, type->memSize * length);
        ctx->pos += type->memSize * length;
    } else {
        /* Decode array members */
        uintptr_t ptr = (uintptr_t)*dst;
        for(size_t i = 0; i < length; ++i) {
            ret = decodeBinaryJumpTable[type->typeKind]((void*)ptr, type, ctx);
            UA_CHECK_STATUS(ret, /* +1 because last element is also already initialized */
                            UA_Array_delete(*dst, i+1, type); *dst = NULL; return ret);
            ptr += type->memSize;
        }
    }
    *out_length = length;
    return UA_STATUSCODE_GOOD;
}

/*****************/
/* Builtin Types */
/*****************/

ENCODE_BINARY(String) {
    return Array_encodeBinary(src->data, src->length, &UA_TYPES[UA_TYPES_BYTE], ctx);
}

DECODE_BINARY(String) {
    return Array_decodeBinary((void**)&dst->data, &dst->length, &UA_TYPES[UA_TYPES_BYTE], ctx);
}

/* Guid */
ENCODE_BINARY(Guid) {
    status ret = UA_STATUSCODE_GOOD;
    ret |= ENCODE_DIRECT(&src->data1, UInt32);
    ret |= ENCODE_DIRECT(&src->data2, UInt16);
    ret |= ENCODE_DIRECT(&src->data3, UInt16);
    UA_CHECK(ctx->pos + (8*sizeof(u8)) <= ctx->end,
             return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    memcpy(ctx->pos, src->data4, 8*sizeof(u8));
    ctx->pos += 8;
    return ret;
}

DECODE_BINARY(Guid) {
    status ret = UA_STATUSCODE_GOOD;
    ret |= DECODE_DIRECT(&dst->data1, UInt32);
    ret |= DECODE_DIRECT(&dst->data2, UInt16);
    ret |= DECODE_DIRECT(&dst->data3, UInt16);
    UA_CHECK(ctx->pos + (8*sizeof(u8)) <= ctx->end,
             return UA_STATUSCODE_BADDECODINGERROR);
    memcpy(dst->data4, ctx->pos, 8*sizeof(u8));
    ctx->pos += 8;
    return ret;
}

/* NodeId */
#define UA_NODEIDTYPE_NUMERIC_TWOBYTE 0u
#define UA_NODEIDTYPE_NUMERIC_FOURBYTE 1u
#define UA_NODEIDTYPE_NUMERIC_COMPLETE 2u

#define UA_EXPANDEDNODEID_SERVERINDEX_FLAG 0x40u
#define UA_EXPANDEDNODEID_NAMESPACEURI_FLAG 0x80u

/* For ExpandedNodeId, we prefill the encoding mask. */
static status
NodeId_encodeBinaryWithEncodingMask(UA_NodeId const *src, u8 encoding, Ctx *ctx) {
    status ret = UA_STATUSCODE_GOOD;
    switch(src->identifierType) {
    case UA_NODEIDTYPE_NUMERIC:
        if(src->identifier.numeric > UA_UINT16_MAX || src->namespaceIndex > UA_BYTE_MAX) {
            encoding |= UA_NODEIDTYPE_NUMERIC_COMPLETE;
            ret |= ENCODE_DIRECT(&encoding, Byte);
            ret |= ENCODE_DIRECT(&src->namespaceIndex, UInt16);
            ret |= ENCODE_DIRECT(&src->identifier.numeric, UInt32);
        } else if(src->identifier.numeric > UA_BYTE_MAX || src->namespaceIndex > 0) {
            encoding |= UA_NODEIDTYPE_NUMERIC_FOURBYTE;
            ret |= ENCODE_DIRECT(&encoding, Byte);
            u8 nsindex = (u8)src->namespaceIndex;
            ret |= ENCODE_DIRECT(&nsindex, Byte);
            u16 identifier16 = (u16)src->identifier.numeric;
            ret |= ENCODE_DIRECT(&identifier16, UInt16);
        } else {
            encoding |= UA_NODEIDTYPE_NUMERIC_TWOBYTE;
            ret |= ENCODE_DIRECT(&encoding, Byte);
            u8 identifier8 = (u8)src->identifier.numeric;
            ret |= ENCODE_DIRECT(&identifier8, Byte);
        }
        break;
    case UA_NODEIDTYPE_STRING:
        encoding |= (u8)UA_NODEIDTYPE_STRING;
        ret |= ENCODE_DIRECT(&encoding, Byte);
        ret |= ENCODE_DIRECT(&src->namespaceIndex, UInt16);
        UA_CHECK_STATUS(ret, return ret);
        /* Can exchange the buffer */
        ret = ENCODE_DIRECT(&src->identifier.string, String);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        break;
    case UA_NODEIDTYPE_GUID:
        encoding |= (u8)UA_NODEIDTYPE_GUID;
        ret |= ENCODE_DIRECT(&encoding, Byte);
        ret |= ENCODE_DIRECT(&src->namespaceIndex, UInt16);
        ret |= ENCODE_DIRECT(&src->identifier.guid, Guid);
        break;
    case UA_NODEIDTYPE_BYTESTRING:
        encoding |= (u8)UA_NODEIDTYPE_BYTESTRING;
        ret |= ENCODE_DIRECT(&encoding, Byte);
        ret |= ENCODE_DIRECT(&src->namespaceIndex, UInt16);
        UA_CHECK_STATUS(ret, return ret);
        /* Can exchange the buffer */
        ret = ENCODE_DIRECT(&src->identifier.byteString, String); /* ByteString */
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        break;
    default:
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return ret;
}

ENCODE_BINARY(NodeId) {
    return NodeId_encodeBinaryWithEncodingMask(src, 0, ctx);
}

DECODE_BINARY(NodeId) {
    u8 dstByte = 0, encodingByte = 0;
    u16 dstUInt16 = 0;

    /* Decode the encoding bitfield */
    status ret = DECODE_DIRECT(&encodingByte, Byte);
    UA_CHECK_STATUS(ret, return ret);

    /* Filter out the bits used only for ExpandedNodeIds */
    encodingByte &= (u8)~(u8)(UA_EXPANDEDNODEID_SERVERINDEX_FLAG |
                              UA_EXPANDEDNODEID_NAMESPACEURI_FLAG);

    /* Decode the namespace and identifier */
    switch(encodingByte) {
    case UA_NODEIDTYPE_NUMERIC_TWOBYTE:
        dst->identifierType = UA_NODEIDTYPE_NUMERIC;
        ret = DECODE_DIRECT(&dstByte, Byte);
        dst->identifier.numeric = dstByte;
        dst->namespaceIndex = 0;
        break;
    case UA_NODEIDTYPE_NUMERIC_FOURBYTE:
        dst->identifierType = UA_NODEIDTYPE_NUMERIC;
        ret |= DECODE_DIRECT(&dstByte, Byte);
        dst->namespaceIndex = dstByte;
        ret |= DECODE_DIRECT(&dstUInt16, UInt16);
        dst->identifier.numeric = dstUInt16;
        break;
    case UA_NODEIDTYPE_NUMERIC_COMPLETE:
        dst->identifierType = UA_NODEIDTYPE_NUMERIC;
        ret |= DECODE_DIRECT(&dst->namespaceIndex, UInt16);
        ret |= DECODE_DIRECT(&dst->identifier.numeric, UInt32);
        break;
    case UA_NODEIDTYPE_STRING:
        dst->identifierType = UA_NODEIDTYPE_STRING;
        ret |= DECODE_DIRECT(&dst->namespaceIndex, UInt16);
        ret |= DECODE_DIRECT(&dst->identifier.string, String);
        break;
    case UA_NODEIDTYPE_GUID:
        dst->identifierType = UA_NODEIDTYPE_GUID;
        ret |= DECODE_DIRECT(&dst->namespaceIndex, UInt16);
        ret |= DECODE_DIRECT(&dst->identifier.guid, Guid);
        break;
    case UA_NODEIDTYPE_BYTESTRING:
        dst->identifierType = UA_NODEIDTYPE_BYTESTRING;
        ret |= DECODE_DIRECT(&dst->namespaceIndex, UInt16);
        ret |= DECODE_DIRECT(&dst->identifier.byteString, String); /* ByteString */
        break;
    default:
        ret |= UA_STATUSCODE_BADINTERNALERROR;
        break;
    }
    return ret;
}

/* ExpandedNodeId */
ENCODE_BINARY(ExpandedNodeId) {
    /* Set up the encoding mask */
    u8 encoding = 0;
    if((void*)src->namespaceUri.data > UA_EMPTY_ARRAY_SENTINEL)
        encoding |= UA_EXPANDEDNODEID_NAMESPACEURI_FLAG;
    if(src->serverIndex > 0)
        encoding |= UA_EXPANDEDNODEID_SERVERINDEX_FLAG;

    /* Encode the NodeId. Can exchange the buffer. */
    status ret = NodeId_encodeBinaryWithEncodingMask(&src->nodeId, encoding, ctx);
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the namespace. Internally uses encodeWithExchangeBuffer
     * everywhere. So it will never return
     * UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED. */
    if((void*)src->namespaceUri.data > UA_EMPTY_ARRAY_SENTINEL) {
        ret = ENCODE_DIRECT(&src->namespaceUri, String);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        UA_CHECK_STATUS(ret, return ret);
    }

    /* Encode the serverIndex */
    if(src->serverIndex > 0)
        ret = encodeWithExchangeBuffer(&src->serverIndex, &UA_TYPES[UA_TYPES_UINT32], ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    return ret;
}

DECODE_BINARY(ExpandedNodeId) {
    /* Decode the encoding mask */
    UA_CHECK(ctx->pos + 1 <= ctx->end, return UA_STATUSCODE_BADDECODINGERROR);
    u8 encoding = *ctx->pos;

    /* Decode the NodeId */
    status ret = DECODE_DIRECT(&dst->nodeId, NodeId);

    /* Decode the NamespaceUri */
    if(encoding & UA_EXPANDEDNODEID_NAMESPACEURI_FLAG) {
        dst->nodeId.namespaceIndex = 0;
        ret |= DECODE_DIRECT(&dst->namespaceUri, String);
    }

    /* Decode the ServerIndex */
    if(encoding & UA_EXPANDEDNODEID_SERVERINDEX_FLAG)
        ret |= DECODE_DIRECT(&dst->serverIndex, UInt32);
    return ret;
}

/* QualifiedName */
ENCODE_BINARY(QualifiedName) {
    status ret = ENCODE_DIRECT(&src->namespaceIndex, UInt16);
    /* Must check here so we can exchange the buffer in the string encoding */
    UA_CHECK_STATUS(ret, return ret);
    ret |= ENCODE_DIRECT(&src->name, String);
    return ret;
}

DECODE_BINARY(QualifiedName) {
    status ret = DECODE_DIRECT(&dst->namespaceIndex, UInt16);
    ret |= DECODE_DIRECT(&dst->name, String);
    return ret;
}

/* LocalizedText */
#define UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_LOCALE 0x01u
#define UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_TEXT 0x02u

ENCODE_BINARY(LocalizedText) {
    /* Set up the encoding mask */
    u8 encoding = 0;
    if(src->locale.data)
        encoding |= UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_LOCALE;
    if(src->text.data)
        encoding |= UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_TEXT;

    /* Encode the encoding byte */
    status ret = ENCODE_DIRECT(&encoding, Byte);
    /* Must check here so we can exchange the buffer in the string encoding */
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the strings */
    if(encoding & UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_LOCALE)
        ret |= ENCODE_DIRECT(&src->locale, String);
    if(encoding & UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_TEXT)
        ret |= ENCODE_DIRECT(&src->text, String);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    return ret;
}

DECODE_BINARY(LocalizedText) {
    /* Decode the encoding mask */
    u8 encoding = 0;
    status ret = DECODE_DIRECT(&encoding, Byte);

    /* Decode the content */
    if(encoding & UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_LOCALE)
        ret |= DECODE_DIRECT(&dst->locale, String);
    if(encoding & UA_LOCALIZEDTEXT_ENCODINGMASKTYPE_TEXT)
        ret |= DECODE_DIRECT(&dst->text, String);
    return ret;
}

/* The binary encoding has a different nodeid from the data type. So it is not
 * possible to reuse UA_findDataType */
static const UA_DataType *
UA_findDataTypeByBinaryInternal(const UA_NodeId *typeId, Ctx *ctx) {
    /* Always look in the built-in types first. Assume that only numeric
     * identifiers are used for the builtin types. (They may contain data types
     * from all namespaces though.) */
    if(typeId->identifierType == UA_NODEIDTYPE_NUMERIC) {
        for(size_t i = 0; i < UA_TYPES_COUNT; ++i) {
            if(UA_TYPES[i].binaryEncodingId.identifier.numeric == typeId->identifier.numeric &&
               UA_TYPES[i].binaryEncodingId.namespaceIndex == typeId->namespaceIndex)
                return &UA_TYPES[i];
        }
    }

    const UA_DataTypeArray *customTypes = ctx->customTypes;
    while(customTypes) {
        for(size_t i = 0; i < customTypes->typesSize; ++i) {
            if(UA_NodeId_equal(typeId, &customTypes->types[i].binaryEncodingId))
                return &customTypes->types[i];
        }
        customTypes = customTypes->next;
    }

    return NULL;
}

const UA_DataType *
UA_findDataTypeByBinary(const UA_NodeId *typeId) {
    Ctx ctx;
    ctx.customTypes = NULL;
    return UA_findDataTypeByBinaryInternal(typeId, &ctx);
}

/* ExtensionObject */
ENCODE_BINARY(ExtensionObject) {
    u8 encoding = (u8)src->encoding;

    /* No content or already encoded content. */
    if(encoding <= UA_EXTENSIONOBJECT_ENCODED_XML) {
        /* Can exchange the buffer */
        status ret = ENCODE_DIRECT(&src->content.encoded.typeId, NodeId);
        UA_CHECK_STATUS(ret, return ret);
        ret = encodeWithExchangeBuffer(&encoding, &UA_TYPES[UA_TYPES_BYTE], ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        UA_CHECK_STATUS(ret, return ret);
        switch(src->encoding) {
        case UA_EXTENSIONOBJECT_ENCODED_NOBODY:
            break;
        case UA_EXTENSIONOBJECT_ENCODED_BYTESTRING:
        case UA_EXTENSIONOBJECT_ENCODED_XML:
            /* ByteString in disguise. Array encoding can exchange the buffer */
            ret = ENCODE_DIRECT(&src->content.encoded.body, String);
            break;
        default:
            ret = UA_STATUSCODE_BADINTERNALERROR;
        }
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        return ret;
    }

    /* Cannot encode with no data or no type description */
    if(!src->content.decoded.type || !src->content.decoded.data)
        return UA_STATUSCODE_BADENCODINGERROR;

    /* Write the NodeId for the binary encoded type. This could perform a buffer
     * exchange, but can also return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED. */
    status ret = ENCODE_DIRECT(&src->content.decoded.type->binaryEncodingId, NodeId);
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the encoding byte */
    encoding = UA_EXTENSIONOBJECT_ENCODED_BYTESTRING;
    ret = encodeWithExchangeBuffer(&encoding, &UA_TYPES[UA_TYPES_BYTE], ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the content length */
    const UA_DataType *contentType = src->content.decoded.type;
    size_t len = UA_calcSizeBinary(src->content.decoded.data, contentType);
    UA_CHECK(len <= UA_INT32_MAX, return UA_STATUSCODE_BADENCODINGERROR);
    i32 signed_len = (i32)len;
    ret = encodeWithExchangeBuffer(&signed_len, &UA_TYPES[UA_TYPES_INT32], ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the content */
    ret = encodeWithExchangeBuffer(src->content.decoded.data, contentType, ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    return ret;
}

static status
ExtensionObject_decodeBinaryContent(UA_ExtensionObject *dst, const UA_NodeId *typeId,
                                    Ctx *ctx) {
    /* Lookup the datatype */
    const UA_DataType *type = UA_findDataTypeByBinaryInternal(typeId, ctx);

    /* Unknown type, just take the binary content */
    if(!type) {
        dst->encoding = UA_EXTENSIONOBJECT_ENCODED_BYTESTRING;
        UA_NodeId_copy(typeId, &dst->content.encoded.typeId);
        return DECODE_DIRECT(&dst->content.encoded.body, String); /* ByteString */
    }

    /* Allocate memory */
    dst->content.decoded.data = UA_new(type);
    UA_CHECK_MEM(dst->content.decoded.data, return UA_STATUSCODE_BADOUTOFMEMORY);

    /* Jump over the length field (TODO: check if the decoded length matches) */
    ctx->pos += 4;

    /* Decode */
    dst->encoding = UA_EXTENSIONOBJECT_DECODED;
    dst->content.decoded.type = type;
    return decodeBinaryJumpTable[type->typeKind](dst->content.decoded.data, type, ctx);
}

DECODE_BINARY(ExtensionObject) {
    u8 encoding = 0;
    UA_NodeId binTypeId;
    UA_NodeId_init(&binTypeId);

    status ret = UA_STATUSCODE_GOOD;
    ret |= DECODE_DIRECT(&binTypeId, NodeId);
    ret |= DECODE_DIRECT(&encoding, Byte);
    UA_CHECK_STATUS(ret, UA_NodeId_clear(&binTypeId); return ret);

    switch(encoding) {
    case UA_EXTENSIONOBJECT_ENCODED_BYTESTRING:
        ret = ExtensionObject_decodeBinaryContent(dst, &binTypeId, ctx);
        UA_NodeId_clear(&binTypeId);
        break;
    case UA_EXTENSIONOBJECT_ENCODED_NOBODY:
        dst->encoding = (UA_ExtensionObjectEncoding)encoding;
        dst->content.encoded.typeId = binTypeId; /* move to dst */
        dst->content.encoded.body = UA_BYTESTRING_NULL;
        break;
    case UA_EXTENSIONOBJECT_ENCODED_XML:
        dst->encoding = (UA_ExtensionObjectEncoding)encoding;
        dst->content.encoded.typeId = binTypeId; /* move to dst */
        ret = DECODE_DIRECT(&dst->content.encoded.body, String); /* ByteString */
        UA_CHECK_STATUS(ret, UA_NodeId_clear(&dst->content.encoded.typeId));
        break;
    default:
        UA_NodeId_clear(&binTypeId);
        ret = UA_STATUSCODE_BADDECODINGERROR;
        break;
    }

    return ret;
}

/* Variant */

static status
Variant_encodeBinaryWrapExtensionObject(const UA_Variant *src,
                                        const UA_Boolean isArray, Ctx *ctx) {
    size_t length = 1; /* Default to 1 for a scalar. */

    /* Encode the array length if required */
    status ret = UA_STATUSCODE_GOOD;
    if(isArray) {
        UA_CHECK(src->arrayLength <= UA_INT32_MAX, return UA_STATUSCODE_BADENCODINGERROR);
        length = src->arrayLength;
        i32 encodedLength = (i32)src->arrayLength;
        ret = ENCODE_DIRECT(&encodedLength, UInt32); /* Int32 */
        UA_CHECK_STATUS(ret, return ret);
    }

    /* Set up the ExtensionObject */
    UA_ExtensionObject eo;
    UA_ExtensionObject_init(&eo);
    eo.encoding = UA_EXTENSIONOBJECT_DECODED;
    eo.content.decoded.type = src->type;
    const u16 memSize = src->type->memSize;
    uintptr_t ptr = (uintptr_t)src->data;

    /* Iterate over the array */
    for(size_t i = 0; i < length && ret == UA_STATUSCODE_GOOD; ++i) {
        eo.content.decoded.data = (void*)ptr;
        ret = encodeWithExchangeBuffer(&eo, &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        ptr += memSize;
    }
    return ret;
}

enum UA_VARIANT_ENCODINGMASKTYPE {
    UA_VARIANT_ENCODINGMASKTYPE_TYPEID_MASK = 0x3Fu,        /* bits 0:5 */
    UA_VARIANT_ENCODINGMASKTYPE_DIMENSIONS = (u8)(0x01u << 6u), /* bit 6 */
    UA_VARIANT_ENCODINGMASKTYPE_ARRAY = (u8)(0x01u << 7u)  /* bit 7 */
};

ENCODE_BINARY(Variant) {
    /* Quit early for the empty variant */
    u8 encoding = 0;
    if(!src->type)
        return ENCODE_DIRECT(&encoding, Byte);

    /* Set the content type in the encoding mask */
    const UA_Boolean isBuiltin = (src->type->typeKind <= UA_DATATYPEKIND_DIAGNOSTICINFO);
    const UA_Boolean isEnum = (src->type->typeKind == UA_DATATYPEKIND_ENUM);
    if(isBuiltin)
        encoding = (u8)(encoding | (u8)((u8)UA_VARIANT_ENCODINGMASKTYPE_TYPEID_MASK & (u8)(src->type->typeKind + 1u)));
    else if(isEnum)
        encoding = (u8)(encoding | (u8)((u8)UA_VARIANT_ENCODINGMASKTYPE_TYPEID_MASK & (u8)(UA_TYPES_INT32 + 1u)));
    else
        encoding = (u8)(encoding | (u8)((u8)UA_VARIANT_ENCODINGMASKTYPE_TYPEID_MASK & (u8)(UA_TYPES_EXTENSIONOBJECT + 1u)));

    /* Set the array type in the encoding mask */
    const UA_Boolean isArray = src->arrayLength > 0 || src->data <= UA_EMPTY_ARRAY_SENTINEL;
    const UA_Boolean hasDimensions = isArray && src->arrayDimensionsSize > 0;
    if(isArray) {
        encoding |= (u8)UA_VARIANT_ENCODINGMASKTYPE_ARRAY;
        if(hasDimensions)
            encoding |= (u8)UA_VARIANT_ENCODINGMASKTYPE_DIMENSIONS;
    }

    /* Encode the encoding byte */
    status ret = ENCODE_DIRECT(&encoding, Byte);
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the content. This can exchange the buffer. */
    if(!isBuiltin && !isEnum) {
        /* This could return UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED. But we
         * have not exchanged the buffer so far. */
        ret = Variant_encodeBinaryWrapExtensionObject(src, isArray, ctx);
    } else if(!isArray) {
        ret = encodeWithExchangeBuffer(src->data, src->type, ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    } else {
        ret = Array_encodeBinary(src->data, src->arrayLength, src->type, ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    }
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the array dimensions */
    if(hasDimensions && ret == UA_STATUSCODE_GOOD)
        ret = Array_encodeBinary(src->arrayDimensions, src->arrayDimensionsSize,
                                 &UA_TYPES[UA_TYPES_INT32], ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    return ret;
}

static status
Variant_decodeBinaryUnwrapExtensionObject(UA_Variant *dst, Ctx *ctx) {
    /* Save the position in the ByteString. If unwrapping is not possible, start
     * from here to decode a normal ExtensionObject. */
    u8 *old_pos = ctx->pos;

    /* Decode the DataType */
    UA_NodeId typeId;
    UA_NodeId_init(&typeId);
    status ret = DECODE_DIRECT(&typeId, NodeId);
    UA_CHECK_STATUS(ret, return ret);

    /* Decode the EncodingByte */
    u8 encoding;
    ret = DECODE_DIRECT(&encoding, Byte);
    UA_CHECK_STATUS(ret, UA_NodeId_clear(&typeId); return ret);

    /* Search for the datatype. Default to ExtensionObject. */
    if(encoding == UA_EXTENSIONOBJECT_ENCODED_BYTESTRING &&
       (dst->type = UA_findDataTypeByBinaryInternal(&typeId, ctx)) != NULL) {
        /* Jump over the length field (TODO: check if length matches) */
        ctx->pos += 4;
    } else {
        /* Reset and decode as ExtensionObject */
        dst->type = &UA_TYPES[UA_TYPES_EXTENSIONOBJECT];
        ctx->pos = old_pos;
    }
    UA_NodeId_clear(&typeId);

    /* Allocate memory */
    dst->data = UA_new(dst->type);
    UA_CHECK_MEM(dst->data, return UA_STATUSCODE_BADOUTOFMEMORY);

    /* Decode the content */
    return decodeBinaryJumpTable[dst->type->typeKind](dst->data, dst->type, ctx);
}

/* The resulting variant always has the storagetype UA_VARIANT_DATA. */
DECODE_BINARY(Variant) {
    /* Decode the encoding byte */
    u8 encodingByte;
    status ret = DECODE_DIRECT(&encodingByte, Byte);
    UA_CHECK_STATUS(ret, return ret);

    /* Return early for an empty variant (was already _inited) */
    if(encodingByte == 0)
        return UA_STATUSCODE_GOOD;

    /* Does the variant contain an array? */
    const UA_Boolean isArray = (encodingByte & (u8)UA_VARIANT_ENCODINGMASKTYPE_ARRAY) > 0;

    /* Get the datatype of the content. The type must be a builtin data type.
     * All not-builtin types are wrapped in an ExtensionObject. The "type kind"
     * for types up to DiagnsticInfo equals to the index in the encoding
     * byte. */
    size_t typeKind = (size_t)((encodingByte & (u8)UA_VARIANT_ENCODINGMASKTYPE_TYPEID_MASK) - 1);
    UA_CHECK(typeKind <= UA_DATATYPEKIND_DIAGNOSTICINFO, return UA_STATUSCODE_BADDECODINGERROR);

    /* A variant cannot contain a variant. But it can contain an array of
     * variants */
    UA_CHECK(typeKind != UA_DATATYPEKIND_VARIANT || isArray,
             return UA_STATUSCODE_BADDECODINGERROR);

    /* Check the recursion limit */
    UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION, return UA_STATUSCODE_BADENCODINGERROR);
    ctx->depth++;

    /* Decode the content */
    dst->type = &UA_TYPES[typeKind];
    if(isArray) {
        ret = Array_decodeBinary(&dst->data, &dst->arrayLength, dst->type, ctx);
    } else if(typeKind != UA_DATATYPEKIND_EXTENSIONOBJECT) {
        dst->data = UA_new(dst->type);
        UA_CHECK_MEM(dst->data, ctx->depth--; return UA_STATUSCODE_BADOUTOFMEMORY);
        ret = decodeBinaryJumpTable[typeKind](dst->data, dst->type, ctx);
    } else {
        ret = Variant_decodeBinaryUnwrapExtensionObject(dst, ctx);
    }

    /* Decode array dimensions */
    if(isArray && (encodingByte & (u8)UA_VARIANT_ENCODINGMASKTYPE_DIMENSIONS) > 0)
        ret |= Array_decodeBinary((void**)&dst->arrayDimensions, &dst->arrayDimensionsSize,
                                  &UA_TYPES[UA_TYPES_INT32], ctx);

    ctx->depth--;
    return ret;
}

/* DataValue */
ENCODE_BINARY(DataValue) {
    /* Set up the encoding mask */
    u8 encodingMask = src->hasValue;
    encodingMask |= (u8)(src->hasStatus << 1u);
    encodingMask |= (u8)(src->hasSourceTimestamp << 2u);
    encodingMask |= (u8)(src->hasServerTimestamp << 3u);
    encodingMask |= (u8)(src->hasSourcePicoseconds << 4u);
    encodingMask |= (u8)(src->hasServerPicoseconds << 5u);

    /* Encode the encoding byte */
    status ret = ENCODE_DIRECT(&encodingMask, Byte);
    UA_CHECK_STATUS(ret, return ret);

    /* Encode the variant. */
    if(src->hasValue) {
        ret = ENCODE_DIRECT(&src->value, Variant);
        if(ret != UA_STATUSCODE_GOOD)
            return ret;
    }

    if(src->hasStatus)
        ret |= encodeWithExchangeBuffer(&src->status, &UA_TYPES[UA_TYPES_STATUSCODE], ctx);
    if(src->hasSourceTimestamp)
        ret |= encodeWithExchangeBuffer(&src->sourceTimestamp, &UA_TYPES[UA_TYPES_DATETIME], ctx);
    if(src->hasSourcePicoseconds)
        ret |= encodeWithExchangeBuffer(&src->sourcePicoseconds, &UA_TYPES[UA_TYPES_UINT16], ctx);
    if(src->hasServerTimestamp)
        ret |= encodeWithExchangeBuffer(&src->serverTimestamp, &UA_TYPES[UA_TYPES_DATETIME], ctx);
    if(src->hasServerPicoseconds)
        ret |= encodeWithExchangeBuffer(&src->serverPicoseconds, &UA_TYPES[UA_TYPES_UINT16], ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    return ret;
}

#define MAX_PICO_SECONDS 9999

DECODE_BINARY(DataValue) {
    /* Decode the encoding mask */
    u8 encodingMask;
    status ret = DECODE_DIRECT(&encodingMask, Byte);
    UA_CHECK_STATUS(ret, return ret);

    /* Check the recursion limit */
    UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION, return UA_STATUSCODE_BADENCODINGERROR);
    ctx->depth++;

    /* Decode the content */
    if(encodingMask & 0x01u) {
        dst->hasValue = true;
        ret |= DECODE_DIRECT(&dst->value, Variant);
    }
    if(encodingMask & 0x02u) {
        dst->hasStatus = true;
        ret |= DECODE_DIRECT(&dst->status, UInt32); /* StatusCode */
    }
    if(encodingMask & 0x04u) {
        dst->hasSourceTimestamp = true;
        ret |= DECODE_DIRECT(&dst->sourceTimestamp, UInt64); /* DateTime */
    }
    if(encodingMask & 0x10u) {
        dst->hasSourcePicoseconds = true;
        ret |= DECODE_DIRECT(&dst->sourcePicoseconds, UInt16);
        if(dst->sourcePicoseconds > MAX_PICO_SECONDS)
            dst->sourcePicoseconds = MAX_PICO_SECONDS;
    }
    if(encodingMask & 0x08u) {
        dst->hasServerTimestamp = true;
        ret |= DECODE_DIRECT(&dst->serverTimestamp, UInt64); /* DateTime */
    }
    if(encodingMask & 0x20u) {
        dst->hasServerPicoseconds = true;
        ret |= DECODE_DIRECT(&dst->serverPicoseconds, UInt16);
        if(dst->serverPicoseconds > MAX_PICO_SECONDS)
            dst->serverPicoseconds = MAX_PICO_SECONDS;
    }

    ctx->depth--;
    return ret;
}

/* DiagnosticInfo */
ENCODE_BINARY(DiagnosticInfo) {
    /* Set up the encoding mask */
    u8 encodingMask = src->hasSymbolicId;
    encodingMask |= (u8)(src->hasNamespaceUri << 1u);
    encodingMask |= (u8)(src->hasLocalizedText << 2u);
    encodingMask |= (u8)(src->hasLocale << 3u);
    encodingMask |= (u8)(src->hasAdditionalInfo << 4u);
    encodingMask |= (u8)(src->hasInnerStatusCode << 5u);
    encodingMask |= (u8)(src->hasInnerDiagnosticInfo << 6u);
    
    /* Encode the numeric content */
    status ret = ENCODE_DIRECT(&encodingMask, Byte);
    if(src->hasSymbolicId)
        ret |= ENCODE_DIRECT(&src->symbolicId, UInt32); /* Int32 */
    if(src->hasNamespaceUri)
        ret |= ENCODE_DIRECT(&src->namespaceUri, UInt32); /* Int32 */
    if(src->hasLocalizedText)
        ret |= ENCODE_DIRECT(&src->localizedText, UInt32); /* Int32 */
    if(src->hasLocale)
        ret |= ENCODE_DIRECT(&src->locale, UInt32); /* Int32 */
    if(ret != UA_STATUSCODE_GOOD)
        return ret;

    /* Encode the additional info. Can exchange the buffer. */
    if(src->hasAdditionalInfo) {
        ret = ENCODE_DIRECT(&src->additionalInfo, String);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        UA_CHECK_STATUS(ret, return ret);
    }

    /* Encode the inner status code */
    if(src->hasInnerStatusCode) {
        ret = encodeWithExchangeBuffer(&src->innerStatusCode, &UA_TYPES[UA_TYPES_UINT32], ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        UA_CHECK_STATUS(ret, return ret);
    }

    /* Encode the inner diagnostic info */
    if(src->hasInnerDiagnosticInfo) {
        ret = encodeWithExchangeBuffer(src->innerDiagnosticInfo,
                                       &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
    }

    return ret;
}

DECODE_BINARY(DiagnosticInfo) {
    /* Decode the encoding mask */
    u8 encodingMask;
    status ret = DECODE_DIRECT(&encodingMask, Byte);
    UA_CHECK_STATUS(ret, return ret);

    /* Decode the content */
    if(encodingMask & 0x01u) {
        dst->hasSymbolicId = true;
        ret |= DECODE_DIRECT(&dst->symbolicId, UInt32); /* Int32 */
    }
    if(encodingMask & 0x02u) {
        dst->hasNamespaceUri = true;
        ret |= DECODE_DIRECT(&dst->namespaceUri, UInt32); /* Int32 */
    }
    if(encodingMask & 0x04u) {
        dst->hasLocalizedText = true;
        ret |= DECODE_DIRECT(&dst->localizedText, UInt32); /* Int32 */
    }
    if(encodingMask & 0x08u) {
        dst->hasLocale = true;
        ret |= DECODE_DIRECT(&dst->locale, UInt32); /* Int32 */
    }
    if(encodingMask & 0x10u) {
        dst->hasAdditionalInfo = true;
        ret |= DECODE_DIRECT(&dst->additionalInfo, String);
    }
    if(encodingMask & 0x20u) {
        dst->hasInnerStatusCode = true;
        ret |= DECODE_DIRECT(&dst->innerStatusCode, UInt32); /* StatusCode */
    }
    if(encodingMask & 0x40u) {
        /* innerDiagnosticInfo is allocated on the heap */
        dst->innerDiagnosticInfo = (UA_DiagnosticInfo*)
            UA_calloc(1, sizeof(UA_DiagnosticInfo));
        UA_CHECK_MEM(dst->innerDiagnosticInfo, return UA_STATUSCODE_BADOUTOFMEMORY);
        dst->hasInnerDiagnosticInfo = true;

        /* Check the recursion limit */
        UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION,
                 return UA_STATUSCODE_BADENCODINGERROR);

        ctx->depth++;
        ret |= DECODE_DIRECT(dst->innerDiagnosticInfo, DiagnosticInfo);
        ctx->depth--;
    }
    return ret;
}

/********************/
/* Structured Types */
/********************/

static status
encodeBinaryStruct(const void *src, const UA_DataType *type, Ctx *ctx) {
    /* Check the recursion limit */
    UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION,
             return UA_STATUSCODE_BADENCODINGERROR);
    ctx->depth++;

    /* Loop over members */
    uintptr_t ptr = (uintptr_t)src;
    status ret = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < type->membersSize && ret == UA_STATUSCODE_GOOD; ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        ptr += m->padding;

        /* Array. Buffer-exchange is done inside Array_encodeBinary if required. */
        if(m->isArray) {
            const size_t length = *((const size_t*)ptr);
            ptr += sizeof(size_t);
            ret = Array_encodeBinary(*(void *UA_RESTRICT const *)ptr, length, mt, ctx);
            UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
            ptr += sizeof(void*);
            continue;
        }

        /* Scalar */
        ret = encodeWithExchangeBuffer((const void*)ptr, mt, ctx);
        UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);
        ptr += mt->memSize;
    }

    ctx->depth--;
    return ret;
}

static status
encodeBinaryStructWithOptFields(const void *src, const UA_DataType *type, Ctx *ctx) {
    /* Check the recursion limit */
    if(ctx->depth > UA_ENCODING_MAX_RECURSION)
        return UA_STATUSCODE_BADENCODINGERROR;
    ctx->depth++;

    /* Creating the encoding mask, marking the available optional fields */
    uintptr_t ptr = (uintptr_t)src;
    size_t optFieldCounter = 0;
    UA_UInt32 encodingMask = 0;
    for(size_t j = 0; j < type->membersSize; ++j) {
        const UA_DataTypeMember *m = &type->members[j];
        const UA_DataType *mt = m->memberType;
        ptr += m->padding;
        if(m->isOptional) {
            if(m->isArray)
                ptr += sizeof(size_t);
            if(*(void* const*)ptr != NULL)
                encodingMask |= (UA_UInt32) 1 << optFieldCounter;
            ptr += sizeof(void *);
            optFieldCounter++;
        } else if (m->isArray) {
            ptr += sizeof(size_t);
            ptr += sizeof(void *);
        } else {
            ptr += mt->memSize;
        }
    }

    /* Encode the mask */
    status ret = ENCODE_DIRECT(&encodingMask, UInt32);
    UA_CHECK_STATUS(ret, ctx->depth--; return ret);

    /* Loop over members */
    ptr = (uintptr_t)src;
    for(size_t i = 0, o = 0; i < type->membersSize && UA_LIKELY(ret == UA_STATUSCODE_GOOD); ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        ptr += m->padding;

        if(m->isOptional) {
            if(!(encodingMask & (UA_UInt32) ( (UA_UInt32) 1<<(o++)))) {
                /* Optional and not contained */
                if(m->isArray)
                    ptr += sizeof(size_t);
            } else if(m->isArray) {
                /* Optional Array */
                const size_t length = *((const size_t *) ptr);
                ptr += sizeof(size_t);
                ret = Array_encodeBinary(*(void *UA_RESTRICT const *) ptr, length, mt, ctx);
            } else {
                /* Optional Scalar */
                ret = encodeWithExchangeBuffer(*(void* const*) ptr, mt, ctx);
            }
            ptr += sizeof(void *);
            continue;
        }

        /* Mandatory Array */
        if(m->isArray) {
            const size_t length = *((const size_t *) ptr);
            ptr += sizeof(size_t);
            ret = Array_encodeBinary(*(void *UA_RESTRICT const *) ptr, length, mt, ctx);
            ptr += sizeof(void *);
            continue;
        }

        /* Mandatory Scalar */
        ret = encodeWithExchangeBuffer((const void*)ptr, mt, ctx);
        ptr += mt->memSize;
    }
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);

    ctx->depth--;
    return ret;
}

static status
encodeBinaryUnion(const void *src, const UA_DataType *type, Ctx *ctx) {
    /* Check the recursion limit */
    UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION,
             return UA_STATUSCODE_BADENCODINGERROR);
    ctx->depth++;

    /* Encode the selection */
    const UA_UInt32 selection = *(const UA_UInt32*)src;
    status ret = ENCODE_DIRECT(&selection, UInt32);
    if(UA_UNLIKELY(ret != UA_STATUSCODE_GOOD) || selection == 0) {
        ctx->depth--;
        return ret;
    }

    /* Select the member */
    const UA_DataTypeMember *m = &type->members[selection-1];
    const UA_DataType *mt = m->memberType;

    /* Encode the member */
    uintptr_t ptr = ((uintptr_t)src) + m->padding; /* includes the switchfield length */
    if(!m->isArray) {
        ret = encodeWithExchangeBuffer((const void*)ptr, mt, ctx);
    } else {
        const size_t length = *((const size_t*)ptr);
        ptr += sizeof(size_t);
        ret = Array_encodeBinary(*(void *UA_RESTRICT const *)ptr, length, mt, ctx);
    }

    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);

    ctx->depth--;
    return ret;
}

static status
encodeBinaryNotImplemented(const void *src, const UA_DataType *type, Ctx *ctx) {
    (void)src, (void)type, (void)ctx;
    return UA_STATUSCODE_BADNOTIMPLEMENTED;
}

const encodeBinarySignature encodeBinaryJumpTable[UA_DATATYPEKINDS] = {
    (encodeBinarySignature)Boolean_encodeBinary,
    (encodeBinarySignature)Byte_encodeBinary, /* SByte */
    (encodeBinarySignature)Byte_encodeBinary,
    (encodeBinarySignature)UInt16_encodeBinary, /* Int16 */
    (encodeBinarySignature)UInt16_encodeBinary,
    (encodeBinarySignature)UInt32_encodeBinary, /* Int32 */
    (encodeBinarySignature)UInt32_encodeBinary,
    (encodeBinarySignature)UInt64_encodeBinary, /* Int64 */
    (encodeBinarySignature)UInt64_encodeBinary,
    (encodeBinarySignature)Float_encodeBinary,
    (encodeBinarySignature)Double_encodeBinary,
    (encodeBinarySignature)String_encodeBinary,
    (encodeBinarySignature)UInt64_encodeBinary, /* DateTime */
    (encodeBinarySignature)Guid_encodeBinary,
    (encodeBinarySignature)String_encodeBinary, /* ByteString */
    (encodeBinarySignature)String_encodeBinary, /* XmlElement */
    (encodeBinarySignature)NodeId_encodeBinary,
    (encodeBinarySignature)ExpandedNodeId_encodeBinary,
    (encodeBinarySignature)UInt32_encodeBinary, /* StatusCode */
    (encodeBinarySignature)QualifiedName_encodeBinary,
    (encodeBinarySignature)LocalizedText_encodeBinary,
    (encodeBinarySignature)ExtensionObject_encodeBinary,
    (encodeBinarySignature)DataValue_encodeBinary,
    (encodeBinarySignature)Variant_encodeBinary,
    (encodeBinarySignature)DiagnosticInfo_encodeBinary,
    (encodeBinarySignature)encodeBinaryNotImplemented, /* Decimal */
    (encodeBinarySignature)UInt32_encodeBinary, /* Enumeration */
    (encodeBinarySignature)encodeBinaryStruct,
    (encodeBinarySignature)encodeBinaryStructWithOptFields, /* Structure with Optional Fields */
    (encodeBinarySignature)encodeBinaryUnion, /* Union */
    (encodeBinarySignature)encodeBinaryStruct /* BitfieldCluster */
};

status
UA_encodeBinaryInternal(const void *src, const UA_DataType *type,
                        u8 **bufPos, const u8 **bufEnd,
                        UA_exchangeEncodeBuffer exchangeCallback,
                        void *exchangeHandle) {
    /* Set up the context */
    Ctx ctx;
    ctx.pos = *bufPos;
    ctx.end = *bufEnd;
    ctx.depth = 0;
    ctx.exchangeBufferCallback = exchangeCallback;
    ctx.exchangeBufferCallbackHandle = exchangeHandle;

    UA_CHECK_MEM(ctx.pos, return UA_STATUSCODE_BADINVALIDARGUMENT);

    /* Encode */
    status ret = encodeWithExchangeBuffer(src, type, &ctx);
    UA_assert(ret != UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED);

    /* Set the new buffer position for the output. Beware that the buffer might
     * have been exchanged internally. */
    *bufPos = ctx.pos;
    *bufEnd = ctx.end;
    return ret;
}

UA_StatusCode
UA_encodeBinary(const void *p, const UA_DataType *type,
                UA_ByteString *outBuf) {
    /* Allocate buffer */
    UA_Boolean allocated = false;
    status res = UA_STATUSCODE_GOOD;
    if(outBuf->length == 0) {
        size_t len = UA_calcSizeBinary(p, type);
        res = UA_ByteString_allocBuffer(outBuf, len);
        if(res != UA_STATUSCODE_GOOD)
            return res;
        allocated = true;
    }

    /* Encode */
    u8 *pos = outBuf->data;
    const u8 *posEnd = &outBuf->data[outBuf->length];
    res = UA_encodeBinaryInternal(p, type, &pos, &posEnd, NULL, NULL);

    /* Clean up */
    if(res == UA_STATUSCODE_GOOD) {
        outBuf->length = (size_t)((uintptr_t)pos - (uintptr_t)outBuf->data);
    } else if(allocated) {
        UA_ByteString_clear(outBuf);
    }
    return res;
}

static status
decodeBinaryNotImplemented(void *dst, const UA_DataType *type, Ctx *ctx) {
    (void)dst, (void)type, (void)ctx;
    return UA_STATUSCODE_BADNOTIMPLEMENTED;
}

static status
decodeBinaryStructure(void *dst, const UA_DataType *type, Ctx *ctx) {
    /* Check the recursion limit */
    UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION,
             return UA_STATUSCODE_BADENCODINGERROR);
    ctx->depth++;

    uintptr_t ptr = (uintptr_t)dst;
    status ret = UA_STATUSCODE_GOOD;
    u8 membersSize = type->membersSize;

    /* Loop over members */
    for(size_t i = 0; i < membersSize && ret == UA_STATUSCODE_GOOD; ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        ptr += m->padding;

        /* Array */
        if(m->isArray) {
            size_t *length = (size_t*)ptr;
            ptr += sizeof(size_t);
            ret = Array_decodeBinary((void *UA_RESTRICT *UA_RESTRICT)ptr, length, mt , ctx);
            ptr += sizeof(void*);
            continue;
        }

        /* Scalar */
        ret = decodeBinaryJumpTable[mt->typeKind]((void *UA_RESTRICT)ptr, mt, ctx);
        ptr += mt->memSize;
    }

    ctx->depth--;
    return ret;
}

static status
decodeBinaryStructureWithOptFields(void *dst, const UA_DataType *type, Ctx *ctx) {
    /* Check the recursion limit */
    UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION, return UA_STATUSCODE_BADENCODINGERROR);
    ctx->depth++;

    uintptr_t ptr = (uintptr_t)dst;
    UA_UInt32 encodingMask = 0;
    status ret = UInt32_decodeBinary(&encodingMask, &UA_TYPES[UA_TYPES_UINT32], ctx);
    UA_CHECK_STATUS(ret, ctx->depth--; return ret);

    /* Loop over members */
    for(size_t i = 0, o = 0; i < type->membersSize && ret == UA_STATUSCODE_GOOD; ++i) {
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        ptr += m->padding;
        if(m->isOptional) {
            if(!(encodingMask & (UA_UInt32) ( (UA_UInt32) 1<<(o++)))) {
                /* Optional field is not contained */
                if(m->isArray)
                    ptr += sizeof(size_t);
            } else if(m->isArray) {
                /* Optional Array */
                size_t *length = (size_t*)ptr;
                ptr += sizeof(size_t);
                ret = Array_decodeBinary((void *UA_RESTRICT *UA_RESTRICT)ptr, length, mt , ctx);
            } else {
                /* Optional Scalar */
                *(void *UA_RESTRICT *UA_RESTRICT) ptr = UA_calloc(1, mt->memSize);
                UA_CHECK_MEM(*(void *UA_RESTRICT *UA_RESTRICT) ptr, return UA_STATUSCODE_BADOUTOFMEMORY);
                ret = decodeBinaryJumpTable[mt->typeKind](*(void *UA_RESTRICT *UA_RESTRICT) ptr, mt, ctx);
            }
            ptr += sizeof(void *);
            continue;
        }

        /* Array */
        if(m->isArray) {
            size_t *length = (size_t *)ptr;
            ptr += sizeof(size_t);
            ret = Array_decodeBinary((void *UA_RESTRICT *UA_RESTRICT)ptr, length, mt, ctx);
            ptr += sizeof(void *);
            continue;
        }

        /* Scalar */
        ret = decodeBinaryJumpTable[mt->typeKind]((void *UA_RESTRICT)ptr, mt, ctx);
        ptr += mt->memSize;
    }
    ctx->depth--;
    return ret;
}

static status
decodeBinaryUnion(void *UA_RESTRICT dst, const UA_DataType *type, Ctx *ctx) {
    /* Check the recursion limit */
    UA_CHECK(ctx->depth <= UA_ENCODING_MAX_RECURSION,
             return UA_STATUSCODE_BADENCODINGERROR);

    /* Decode the selection directly into the switchfield */
    status ret = DECODE_DIRECT(dst, UInt32);
    UA_CHECK_STATUS(ret, return ret);

    /* No content? */
    UA_UInt32 selection = *(UA_UInt32*)dst;
    if(selection == 0)
        return UA_STATUSCODE_GOOD;

    /* Sanity check the selection */
    UA_CHECK(selection-1 < type->membersSize,
             return UA_STATUSCODE_BADDECODINGERROR);

    /* Select the member */
    const UA_DataTypeMember *m = &type->members[selection-1];
    const UA_DataType *mt = m->memberType;

    /* Decode */
    ctx->depth++;
    uintptr_t ptr = ((uintptr_t)dst) + m->padding; /* includes the switchfield */
    if(!m->isArray) {
        ret = decodeBinaryJumpTable[mt->typeKind]((void *UA_RESTRICT)ptr, mt, ctx);
    } else {
        size_t *length = (size_t *)ptr;
        ptr += sizeof(size_t);
        ret = Array_decodeBinary((void *UA_RESTRICT *UA_RESTRICT)ptr, length, mt, ctx);
    }
    ctx->depth--;
    return ret;
}

const decodeBinarySignature decodeBinaryJumpTable[UA_DATATYPEKINDS] = {
    (decodeBinarySignature)Boolean_decodeBinary,
    (decodeBinarySignature)Byte_decodeBinary, /* SByte */
    (decodeBinarySignature)Byte_decodeBinary,
    (decodeBinarySignature)UInt16_decodeBinary, /* Int16 */
    (decodeBinarySignature)UInt16_decodeBinary,
    (decodeBinarySignature)UInt32_decodeBinary, /* Int32 */
    (decodeBinarySignature)UInt32_decodeBinary,
    (decodeBinarySignature)UInt64_decodeBinary, /* Int64 */
    (decodeBinarySignature)UInt64_decodeBinary,
    (decodeBinarySignature)Float_decodeBinary,
    (decodeBinarySignature)Double_decodeBinary,
    (decodeBinarySignature)String_decodeBinary,
    (decodeBinarySignature)UInt64_decodeBinary, /* DateTime */
    (decodeBinarySignature)Guid_decodeBinary,
    (decodeBinarySignature)String_decodeBinary, /* ByteString */
    (decodeBinarySignature)String_decodeBinary, /* XmlElement */
    (decodeBinarySignature)NodeId_decodeBinary,
    (decodeBinarySignature)ExpandedNodeId_decodeBinary,
    (decodeBinarySignature)UInt32_decodeBinary, /* StatusCode */
    (decodeBinarySignature)QualifiedName_decodeBinary,
    (decodeBinarySignature)LocalizedText_decodeBinary,
    (decodeBinarySignature)ExtensionObject_decodeBinary,
    (decodeBinarySignature)DataValue_decodeBinary,
    (decodeBinarySignature)Variant_decodeBinary,
    (decodeBinarySignature)DiagnosticInfo_decodeBinary,
    (decodeBinarySignature)decodeBinaryNotImplemented, /* Decimal */
    (decodeBinarySignature)UInt32_decodeBinary, /* Enumeration */
    (decodeBinarySignature)decodeBinaryStructure,
    (decodeBinarySignature)decodeBinaryStructureWithOptFields, /* Structure with optional fields */
    (decodeBinarySignature)decodeBinaryUnion, /* Union */
    (decodeBinarySignature)decodeBinaryNotImplemented /* BitfieldCluster */
};

status
UA_decodeBinaryInternal(const UA_ByteString *src, size_t *offset,
                        void *dst, const UA_DataType *type,
                        const UA_DataTypeArray *customTypes) {
    /* Set up the context */
    Ctx ctx;
    ctx.pos = &src->data[*offset];
    ctx.end = &src->data[src->length];
    ctx.depth = 0;
    ctx.customTypes = customTypes;

    /* Decode */
    memset(dst, 0, type->memSize); /* Initialize the value */
    status ret = decodeBinaryJumpTable[type->typeKind](dst, type, &ctx);

    if(UA_LIKELY(ret == UA_STATUSCODE_GOOD)) {
        /* Set the new offset */
        *offset = (size_t)(ctx.pos - src->data) / sizeof(u8);
    } else {
        /* Clean up */
        UA_clear(dst, type);
        memset(dst, 0, type->memSize);
    }
    return ret;
}

UA_StatusCode
UA_decodeBinary(const UA_ByteString *inBuf,
                void *p, const UA_DataType *type,
                const UA_DecodeBinaryOptions *options) {
    size_t offset = 0;
    const UA_DataTypeArray *customTypes = options ? options->customTypes : NULL;
    return UA_decodeBinaryInternal(inBuf, &offset, p, type, customTypes);
}

/**
 * Compute the Message Size
 * ------------------------
 * The following methods are used to compute the length of a datum in binary
 * encoding. */

static size_t
Array_calcSizeBinary(const void *src, size_t length, const UA_DataType *type) {
    size_t s = 4; /* length */
    if(type->overlayable) {
        s += type->memSize * length;
        return s;
    }
    uintptr_t ptr = (uintptr_t)src;
    for(size_t i = 0; i < length; ++i) {
        s += calcSizeBinaryJumpTable[type->typeKind]((const void*)ptr, type);
        ptr += type->memSize;
    }
    return s;
}

static size_t calcSizeBinary1(const void *_, const UA_DataType *__) { (void)_, (void)__; return 1; }
static size_t calcSizeBinary2(const void *_, const UA_DataType *__) { (void)_, (void)__; return 2; }
static size_t calcSizeBinary4(const void *_, const UA_DataType *__) { (void)_, (void)__; return 4; }
static size_t calcSizeBinary8(const void *_, const UA_DataType *__) { (void)_, (void)__; return 8; }

CALCSIZE_BINARY(String) { return 4 + src->length; }

CALCSIZE_BINARY(Guid) { return 16; }

CALCSIZE_BINARY(NodeId) {
    size_t s = 1; /* Encoding byte */
    switch(src->identifierType) {
    case UA_NODEIDTYPE_NUMERIC:
        if(src->identifier.numeric > UA_UINT16_MAX || src->namespaceIndex > UA_BYTE_MAX) {
            s += 6;
        } else if(src->identifier.numeric > UA_BYTE_MAX || src->namespaceIndex > 0) {
            s += 3;
        } else {
            s += 1;
        }
        break;
    case UA_NODEIDTYPE_BYTESTRING:
    case UA_NODEIDTYPE_STRING:
        s += 2;
        s += String_calcSizeBinary(&src->identifier.string, NULL);
        break;
    case UA_NODEIDTYPE_GUID:
        s += 18;
        break;
    default:
        return 0;
    }
    return s;
}

CALCSIZE_BINARY(ExpandedNodeId) {
    size_t s = NodeId_calcSizeBinary(&src->nodeId, NULL);
    if(src->namespaceUri.length > 0)
        s += String_calcSizeBinary(&src->namespaceUri, NULL);
    if(src->serverIndex > 0)
        s += 4;
    return s;
}

CALCSIZE_BINARY(QualifiedName) {
    return 2 + String_calcSizeBinary(&src->name, NULL);
}

CALCSIZE_BINARY(LocalizedText) {
    size_t s = 1; /* Encoding byte */
    if(src->locale.data)
        s += String_calcSizeBinary(&src->locale, NULL);
    if(src->text.data)
        s += String_calcSizeBinary(&src->text, NULL);
    return s;
}

CALCSIZE_BINARY(ExtensionObject) {
    size_t s = 1; /* Encoding byte */

    /* Encoded content */
    if(src->encoding <= UA_EXTENSIONOBJECT_ENCODED_XML) {
        s += NodeId_calcSizeBinary(&src->content.encoded.typeId, NULL);
        switch(src->encoding) {
        case UA_EXTENSIONOBJECT_ENCODED_NOBODY:
            break;
        case UA_EXTENSIONOBJECT_ENCODED_BYTESTRING:
        case UA_EXTENSIONOBJECT_ENCODED_XML:
            s += String_calcSizeBinary(&src->content.encoded.body, NULL);
            break;
        default:
            return 0;
        }
        return s;
    }

    /* Decoded content */
    if(!src->content.decoded.type || !src->content.decoded.data)
        return 0;
    if(src->content.decoded.type->typeId.identifierType != UA_NODEIDTYPE_NUMERIC)
        return 0;

    s += NodeId_calcSizeBinary(&src->content.decoded.type->binaryEncodingId, NULL); /* Type encoding length */
    s += 4; /* Encoding length field */
    const UA_DataType *type = src->content.decoded.type;
    s += calcSizeBinaryJumpTable[type->typeKind](src->content.decoded.data, type); /* Encoding length */
    return s;
}

CALCSIZE_BINARY(Variant) {
    size_t s = 1; /* Encoding byte */
    if(!src->type)
        return s;

    const UA_Boolean isArray = src->arrayLength > 0 || src->data <= UA_EMPTY_ARRAY_SENTINEL;
    if(isArray)
        s += Array_calcSizeBinary(src->data, src->arrayLength, src->type);
    else
        s += calcSizeBinaryJumpTable[src->type->typeKind](src->data, src->type);

    const UA_Boolean isBuiltin = (src->type->typeKind <= UA_DATATYPEKIND_DIAGNOSTICINFO);
    const UA_Boolean isEnum = (src->type->typeKind == UA_DATATYPEKIND_ENUM);
    if(!isBuiltin && !isEnum) {
        /* The type is wrapped inside an extensionobject */
        /* (NodeId + encoding byte + extension object length) * array length */
        size_t length = isArray ? src->arrayLength : 1;
        s += (NodeId_calcSizeBinary(&src->type->binaryEncodingId, NULL) + 1 + 4) * length;
    }

    const UA_Boolean hasDimensions = isArray && src->arrayDimensionsSize > 0;
    if(hasDimensions)
        s += Array_calcSizeBinary(src->arrayDimensions, src->arrayDimensionsSize,
                                  &UA_TYPES[UA_TYPES_INT32]);
    return s;
}

CALCSIZE_BINARY(DataValue) {
    size_t s = 1; /* Encoding byte */
    if(src->hasValue)
        s += Variant_calcSizeBinary(&src->value, NULL);
    if(src->hasStatus)
        s += 4;
    if(src->hasSourceTimestamp)
        s += 8;
    if(src->hasSourcePicoseconds)
        s += 2;
    if(src->hasServerTimestamp)
        s += 8;
    if(src->hasServerPicoseconds)
        s += 2;
    return s;
}

CALCSIZE_BINARY(DiagnosticInfo) {
    size_t s = 1; /* Encoding byte */
    if(src->hasSymbolicId)
        s += 4;
    if(src->hasNamespaceUri)
        s += 4;
    if(src->hasLocalizedText)
        s += 4;
    if(src->hasLocale)
        s += 4;
    if(src->hasAdditionalInfo)
        s += String_calcSizeBinary(&src->additionalInfo, NULL);
    if(src->hasInnerStatusCode)
        s += 4;
    if(src->hasInnerDiagnosticInfo)
        s += DiagnosticInfo_calcSizeBinary(src->innerDiagnosticInfo, NULL);
    return s;
}

static size_t
calcSizeBinaryStructure(const void *p, const UA_DataType *type) {
    size_t s = 0;
    uintptr_t ptr = (uintptr_t)p;
    u8 membersSize = type->membersSize;

    /* Loop over members */
    for(size_t i = 0; i < membersSize; ++i) {
        const UA_DataTypeMember *member = &type->members[i];
        const UA_DataType *membertype = member->memberType;
        ptr += member->padding;

        /* Array */
        if(member->isArray) {
            const size_t length = *((const size_t*)ptr);
            ptr += sizeof(size_t);
            s += Array_calcSizeBinary(*(void *UA_RESTRICT const *)ptr, length, membertype);
            ptr += sizeof(void*);
            continue;
        }

        /* Scalar */
        s += calcSizeBinaryJumpTable[membertype->typeKind]((const void*)ptr, membertype);
        ptr += membertype->memSize;
    }

    return s;
}

static size_t
calcSizeBinaryStructureWithOptFields(const void *p, const UA_DataType *type) {
    /* Start with the size of the encoding mask */
    size_t s = sizeof(UA_UInt32);

    /* Loop over members */
    uintptr_t ptr = (uintptr_t)p;
    for(size_t i = 0; i < type->membersSize; ++i) {
        const UA_DataTypeMember *member = &type->members[i];
        const UA_DataType *membertype = member->memberType;
        ptr += member->padding;
        if(member->isOptional) {
            if((member->isArray && ((*(void* const*)(ptr+sizeof(size_t))) == NULL)) ||
                (!member->isArray && (*(void* const*)ptr == NULL))) {
                /* Optional member not contained */
                if(member->isArray)
                    ptr += sizeof(size_t);
                ptr += sizeof(void *);
                continue;
            }
            /* Fallthrough to take the size into account */
        }
        /* Array */
        if(member->isArray) {
            const size_t length = *((const size_t*)ptr);
            ptr += sizeof(size_t);
            s += Array_calcSizeBinary(*(void *UA_RESTRICT const *)ptr, length, membertype);
            ptr += sizeof(void*);
            continue;
        }
        /* Scalar */
        if (member->isOptional) {
            s += calcSizeBinaryJumpTable[membertype->typeKind](*(void* const*)ptr, membertype);
            ptr += sizeof(void *);
        } else {
            s += calcSizeBinaryJumpTable[membertype->typeKind]((const void*)ptr, membertype);
            ptr += membertype->memSize;
        }
    }
    return s;
}

static size_t
calcSizeBinaryUnion(const void *p, const UA_DataType *type) {
    size_t s = 4; /* UA_TYPES[UA_TYPES_UINT32].memSize; */
    const UA_UInt32 selection = *(const UA_UInt32 *)p;
    if(selection == 0)
        return s;

    const UA_DataTypeMember *m = &type->members[selection-1];
    const UA_DataType *mt = m->memberType;

    uintptr_t ptr = ((uintptr_t)p) + m->padding; /* includes switchfield length */
    if(!m->isArray) {
        s += UA_calcSizeBinary((const void*)ptr, mt);
    } else {
        const size_t length = *((const size_t*)ptr);
        ptr += sizeof(size_t);
        s += Array_calcSizeBinary(*(void *UA_RESTRICT const *)ptr, length, mt);
    }
    return s;
}

static size_t
calcSizeBinaryNotImplemented(const void *p, const UA_DataType *type) {
    (void)p, (void)type;
    return 0;
}

const calcSizeBinarySignature calcSizeBinaryJumpTable[UA_DATATYPEKINDS] = {
    (calcSizeBinarySignature)calcSizeBinary1, /* Boolean */
    (calcSizeBinarySignature)calcSizeBinary1, /* SByte */
    (calcSizeBinarySignature)calcSizeBinary1, /* Byte */
    (calcSizeBinarySignature)calcSizeBinary2, /* Int16 */
    (calcSizeBinarySignature)calcSizeBinary2, /* UInt16 */
    (calcSizeBinarySignature)calcSizeBinary4, /* Int32 */
    (calcSizeBinarySignature)calcSizeBinary4, /* UInt32 */
    (calcSizeBinarySignature)calcSizeBinary8, /* Int64 */
    (calcSizeBinarySignature)calcSizeBinary8, /* UInt64 */
    (calcSizeBinarySignature)calcSizeBinary4, /* Float */
    (calcSizeBinarySignature)calcSizeBinary8, /* Double */
    (calcSizeBinarySignature)String_calcSizeBinary,
    (calcSizeBinarySignature)calcSizeBinary8, /* DateTime */
    (calcSizeBinarySignature)Guid_calcSizeBinary,
    (calcSizeBinarySignature)String_calcSizeBinary, /* ByteString */
    (calcSizeBinarySignature)String_calcSizeBinary, /* XmlElement */
    (calcSizeBinarySignature)NodeId_calcSizeBinary,
    (calcSizeBinarySignature)ExpandedNodeId_calcSizeBinary,
    (calcSizeBinarySignature)calcSizeBinary4, /* StatusCode */
    (calcSizeBinarySignature)QualifiedName_calcSizeBinary,
    (calcSizeBinarySignature)LocalizedText_calcSizeBinary,
    (calcSizeBinarySignature)ExtensionObject_calcSizeBinary,
    (calcSizeBinarySignature)DataValue_calcSizeBinary,
    (calcSizeBinarySignature)Variant_calcSizeBinary,
    (calcSizeBinarySignature)DiagnosticInfo_calcSizeBinary,
    (calcSizeBinarySignature)calcSizeBinaryNotImplemented, /* Decimal */
    (calcSizeBinarySignature)calcSizeBinary4, /* Enumeration */
    (calcSizeBinarySignature)calcSizeBinaryStructure,
    (calcSizeBinarySignature)calcSizeBinaryStructureWithOptFields, /* Structure with Optional Fields */
    (calcSizeBinarySignature)calcSizeBinaryUnion, /* Union */
    (calcSizeBinarySignature)calcSizeBinaryNotImplemented /* BitfieldCluster */
};

size_t
UA_calcSizeBinary(const void *p, const UA_DataType *type) {
    return calcSizeBinaryJumpTable[type->typeKind](p, type);
}

/**** amalgamated original file "/src/ua_types_print.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 */



/* Printing of NodeIds is always enabled. We need it for logging. */

UA_StatusCode
UA_NodeId_print(const UA_NodeId *id, UA_String *output) {
    UA_String_clear(output);
    if(!id)
        return UA_STATUSCODE_GOOD;

    char *nsStr = NULL;
    long snprintfLen = 0;
    size_t nsLen = 0;
    if(id->namespaceIndex != 0) {
        nsStr = (char*)UA_malloc(9+1); // strlen("ns=XXXXX;") = 9 + Nullbyte
        if(!nsStr)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        snprintfLen = UA_snprintf(nsStr, 10, "ns=%d;", id->namespaceIndex);
        if(snprintfLen < 0 || snprintfLen >= 10) {
            UA_free(nsStr);
            return UA_STATUSCODE_BADINTERNALERROR;
        }
        nsLen = (size_t)(snprintfLen);
    }

    UA_ByteString byteStr = UA_BYTESTRING_NULL;
    switch (id->identifierType) {
        case UA_NODEIDTYPE_NUMERIC:
            /* ns (2 byte, 65535) = 5 chars, numeric (4 byte, 4294967295) = 10
             * chars, delim = 1 , nullbyte = 1-> 17 chars */
            output->length = nsLen + 2 + 10 + 1;
            output->data = (UA_Byte*)UA_malloc(output->length);
            if(output->data == NULL) {
                output->length = 0;
                UA_free(nsStr);
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
            snprintfLen = UA_snprintf((char*)output->data, output->length, "%si=%lu",
                                      nsLen > 0 ? nsStr : "",
                                      (unsigned long )id->identifier.numeric);
            break;
        case UA_NODEIDTYPE_STRING:
            /* ns (16bit) = 5 chars, strlen + nullbyte */
            output->length = nsLen + 2 + id->identifier.string.length + 1;
            output->data = (UA_Byte*)UA_malloc(output->length);
            if(output->data == NULL) {
                output->length = 0;
                UA_free(nsStr);
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
            snprintfLen = UA_snprintf((char*)output->data, output->length, "%ss=%.*s",
                                      nsLen > 0 ? nsStr : "", (int)id->identifier.string.length,
                                      id->identifier.string.data);
            break;
        case UA_NODEIDTYPE_GUID:
            /* ns (16bit) = 5 chars + strlen(A123456C-0ABC-1A2B-815F-687212AAEE1B)=36 + nullbyte */
            output->length = nsLen + 2 + 36 + 1;
            output->data = (UA_Byte*)UA_malloc(output->length);
            if(output->data == NULL) {
                output->length = 0;
                UA_free(nsStr);
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
            snprintfLen = UA_snprintf((char*)output->data, output->length,
                                      "%sg=" UA_PRINTF_GUID_FORMAT, nsLen > 0 ? nsStr : "",
                                      UA_PRINTF_GUID_DATA(id->identifier.guid));
            break;
        case UA_NODEIDTYPE_BYTESTRING:
            UA_ByteString_toBase64(&id->identifier.byteString, &byteStr);
            /* ns (16bit) = 5 chars + LEN + nullbyte */
            output->length = nsLen + 2 + byteStr.length + 1;
            output->data = (UA_Byte*)UA_malloc(output->length);
            if(output->data == NULL) {
                output->length = 0;
                UA_String_clear(&byteStr);
                UA_free(nsStr);
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
            snprintfLen = UA_snprintf((char*)output->data, output->length, "%sb=%.*s",
                                      nsLen > 0 ? nsStr : "",
                                      (int)byteStr.length, byteStr.data);
            UA_String_clear(&byteStr);
            break;
    }
    UA_free(nsStr);

    if(snprintfLen < 0 || snprintfLen >= (long) output->length) {
        UA_free(output->data);
        output->data = NULL;
        output->length = 0;
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    output->length = (size_t)snprintfLen;

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_ExpandedNodeId_print(const UA_ExpandedNodeId *id, UA_String *output) {
    /* Don't print the namespace-index if a NamespaceUri is set */
    UA_NodeId nid = id->nodeId;
    if(id->namespaceUri.data != NULL)
        nid.namespaceIndex = 0;

    /* Encode the NodeId */
    UA_String outNid = UA_STRING_NULL;
    UA_StatusCode res = UA_NodeId_print(&nid, &outNid);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    /* Encode the ServerIndex */
    char svr[100];
    if(id->serverIndex == 0)
        svr[0] = 0;
    else
        UA_snprintf(svr, 100, "svr=%"PRIu32";", id->serverIndex);
    size_t svrlen = strlen(svr);

    /* Encode the NamespaceUri */
    char nsu[100];
    if(id->namespaceUri.data == NULL)
        nsu[0] = 0;
    else
        UA_snprintf(nsu, 100, "nsu=%.*s;", (int)id->namespaceUri.length, id->namespaceUri.data);
    size_t nsulen = strlen(nsu);

    /* Combine everything */
    res = UA_ByteString_allocBuffer((UA_String*)output, outNid.length + svrlen + nsulen);
    if(res == UA_STATUSCODE_GOOD) {
        memcpy(output->data, svr, svrlen);
        memcpy(&output->data[svrlen], nsu, nsulen);
        memcpy(&output->data[svrlen+nsulen], outNid.data, outNid.length);
    }

    UA_String_clear(&outNid);
    return res;
}

#ifdef UA_ENABLE_TYPEDESCRIPTION

/***********************/
/* Jumptable Signature */
/***********************/

typedef struct UA_PrintElement {
    TAILQ_ENTRY(UA_PrintElement) next;
    size_t length;
    UA_Byte data[];
} UA_PrintOutput;

typedef struct {
    size_t depth;
    TAILQ_HEAD(, UA_PrintElement) outputs;
} UA_PrintContext;

typedef UA_StatusCode
(*UA_printSignature)(UA_PrintContext *ctx, const void *p,
                     const UA_DataType *type);

extern const UA_printSignature printJumpTable[UA_DATATYPEKINDS];

/********************/
/* Helper Functions */
/********************/

static UA_PrintOutput *
UA_PrintContext_addOutput(UA_PrintContext *ctx, size_t length) {
    /* Protect against overlong output in pretty-printing */
    if(length > 2<<16)
        return NULL;
    UA_PrintOutput *output = (UA_PrintOutput*)UA_malloc(sizeof(UA_PrintOutput) + length + 1);
    if(!output)
        return NULL;
    output->length = length;
    TAILQ_INSERT_TAIL(&ctx->outputs, output, next);
    return output;
}

static UA_StatusCode
UA_PrintContext_addNewlineTabs(UA_PrintContext *ctx, size_t tabs) {
    UA_PrintOutput *out = UA_PrintContext_addOutput(ctx, tabs+1);
    if(!out)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    out->data[0] = '\n';
    for(size_t i = 1; i <= tabs; i++)
        out->data[i] = '\t';
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_PrintContext_addName(UA_PrintContext *ctx, const char *name) {
    size_t nameLen = strlen(name);
    UA_PrintOutput *out = UA_PrintContext_addOutput(ctx, nameLen+2);
    if(!out)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    memcpy(&out->data, name, nameLen);
    out->data[nameLen] = ':';
    out->data[nameLen+1] = ' ';
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_PrintContext_addString(UA_PrintContext *ctx, const char *str) {
    size_t len = strlen(str);
    UA_PrintOutput *out = UA_PrintContext_addOutput(ctx, len);
    if(!out)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    memcpy(&out->data, str, len);
    return UA_STATUSCODE_GOOD;
}

/*********************/
/* Printing Routines */
/*********************/

static UA_StatusCode
printArray(UA_PrintContext *ctx, const void *p, const size_t length,
           const UA_DataType *type);

static UA_StatusCode
printBoolean(UA_PrintContext *ctx, const UA_Boolean *p, const UA_DataType *_) {
    if(*p)
        return UA_PrintContext_addString(ctx, "true");
    return UA_PrintContext_addString(ctx, "false");
}

static UA_StatusCode
printSByte(UA_PrintContext *ctx, const UA_SByte *p, const UA_DataType *_) {
    char out[32];
    UA_snprintf(out, 32, "%"PRIi8, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printByte(UA_PrintContext *ctx, const UA_Byte *p, const UA_DataType *_) {
    char out[32];
    UA_snprintf(out, 32, "%"PRIu8, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printInt16(UA_PrintContext *ctx, const UA_Int16 *p, const UA_DataType *_) {
    char out[32];
    UA_snprintf(out, 32, "%"PRIi16, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printUInt16(UA_PrintContext *ctx, const UA_UInt16 *p, const UA_DataType *_) {
    char out[32];
    UA_snprintf(out, 32, "%"PRIu16, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printInt32(UA_PrintContext *ctx, const UA_Int32 *p, const UA_DataType *_) {
    char out[32];
    UA_snprintf(out, 32, "%"PRIi32, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printUInt32(UA_PrintContext *ctx, const UA_UInt32 *p, const UA_DataType *_) {
    char out[32];
    UA_snprintf(out, 32, "%"PRIu32, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printInt64(UA_PrintContext *ctx, const UA_Int64 *p, const UA_DataType *_) {
    char out[64];
    UA_snprintf(out, 64, "%"PRIi64, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printUInt64(UA_PrintContext *ctx, const UA_UInt64 *p, const UA_DataType *_) {
    char out[64];
    UA_snprintf(out, 64, "%"PRIu64, *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printFloat(UA_PrintContext *ctx, const UA_Float *p, const UA_DataType *_) {
    char out[64];
    UA_snprintf(out, 32, "%f", *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printDouble(UA_PrintContext *ctx, const UA_Double *p, const UA_DataType *_) {
    char out[64];
    UA_snprintf(out, 64, "%lf", *p);
    return UA_PrintContext_addString(ctx, out);
}

static UA_StatusCode
printStatusCode(UA_PrintContext *ctx, const UA_StatusCode *p, const UA_DataType *_) {
    return UA_PrintContext_addString(ctx, UA_StatusCode_name(*p));
}

static UA_StatusCode
printNodeId(UA_PrintContext *ctx, const UA_NodeId *p, const UA_DataType *_) {
    UA_String out;
    UA_String_init(&out);
    UA_StatusCode res = UA_NodeId_print(p, &out);
    if(res != UA_STATUSCODE_GOOD)
        return res;
    UA_PrintOutput *po = UA_PrintContext_addOutput(ctx, out.length);
    if(po)
        memcpy(po->data, out.data, out.length);
    else
        res = UA_STATUSCODE_BADOUTOFMEMORY;
    UA_String_clear(&out);
    return res;
}

static UA_StatusCode
printExpandedNodeId(UA_PrintContext *ctx, const UA_ExpandedNodeId *p, const UA_DataType *_) {
    UA_String out;
    UA_String_init(&out);
    UA_StatusCode res = UA_ExpandedNodeId_print(p, &out);
    if(res != UA_STATUSCODE_GOOD)
        return res;
    UA_PrintOutput *po = UA_PrintContext_addOutput(ctx, out.length);
    if(!po)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    memcpy(po->data, out.data, out.length);
    UA_String_clear(&out);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
printDateTime(UA_PrintContext *ctx, const UA_DateTime *p, const UA_DataType *_) {
    UA_Int64 tOffset = UA_DateTime_localTimeUtcOffset();
    UA_DateTimeStruct dts = UA_DateTime_toStruct(*p);
    char dateString[100];
    UA_snprintf((char*)dateString, 100,
                "%04u-%02u-%02u %02u:%02u:%02u.%03u (UTC%+05d)",
                dts.year, dts.month, dts.day, dts.hour, dts.min,
                dts.sec, dts.milliSec,
            (int)(tOffset / UA_DATETIME_SEC / 36));
    return UA_PrintContext_addString(ctx, dateString);
}

static UA_StatusCode
printGuid(UA_PrintContext *ctx, const UA_Guid *p, const UA_DataType *_) {
    char tmp[100];
    UA_snprintf(tmp, 100, UA_PRINTF_GUID_FORMAT, UA_PRINTF_GUID_DATA(*p));
    return UA_PrintContext_addString(ctx, tmp);
}

static UA_StatusCode
printString(UA_PrintContext *ctx, const UA_String *p, const UA_DataType *_) {
    if(!p->data)
        return UA_PrintContext_addString(ctx, "NullString");
    UA_PrintOutput *out = UA_PrintContext_addOutput(ctx, p->length+2);
    if(!out)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    UA_snprintf((char*)out->data, p->length+3, "\"%.*s\"", (int)p->length, p->data);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
printByteString(UA_PrintContext *ctx, const UA_ByteString *p, const UA_DataType *_) {
    if(!p->data)
        return UA_PrintContext_addString(ctx, "NullByteString");
    UA_String str = UA_BYTESTRING_NULL;
    UA_StatusCode res = UA_ByteString_toBase64(p, &str);
    if(res != UA_STATUSCODE_GOOD)
        return res;
    res = printString(ctx, &str, NULL);
    UA_String_clear(&str);
    return res;
}

static UA_StatusCode
printQualifiedName(UA_PrintContext *ctx, const UA_QualifiedName *p, const UA_DataType *_) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    retval |= UA_PrintContext_addString(ctx, "{");
    ctx->depth++;
    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addName(ctx, "NamespaceIndex");
    retval |= printUInt16(ctx, &p->namespaceIndex, NULL);
    retval |= UA_PrintContext_addString(ctx, ",");
    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addName(ctx, "Name");
    retval |= printString(ctx, &p->name, NULL);
    ctx->depth--;
    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addString(ctx, "}");
    return retval;
}

static UA_StatusCode
printLocalizedText(UA_PrintContext *ctx, const UA_LocalizedText *p, const UA_DataType *_) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    retval |= UA_PrintContext_addString(ctx, "{");
    ctx->depth++;
    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addName(ctx, "Locale");
    retval |= printString(ctx, &p->locale, NULL);
    retval |= UA_PrintContext_addString(ctx, ",");
    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addName(ctx, "Text");
    retval |= printString(ctx, &p->text, NULL);
    ctx->depth--;
    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addString(ctx, "}");
    return retval;
}

static UA_StatusCode
printVariant(UA_PrintContext *ctx, const UA_Variant *p, const UA_DataType *_) {
    if(!p->type)
        return UA_PrintContext_addString(ctx, "NullVariant");

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    retval |= UA_PrintContext_addString(ctx, "{");
    ctx->depth++;

    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addName(ctx, "DataType");
    retval |= UA_PrintContext_addString(ctx, p->type->typeName);
    retval |= UA_PrintContext_addString(ctx, ",");

    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addName(ctx, "Value");
    if(UA_Variant_isScalar(p))
        retval |= printJumpTable[p->type->typeKind](ctx, p->data, p->type);
    else
        retval |= printArray(ctx, p->data, p->arrayLength, p->type);

    if(p->arrayDimensionsSize > 0) {
        retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "ArrayDimensions");
        retval |= printArray(ctx, p->arrayDimensions, p->arrayDimensionsSize,
                             &UA_TYPES[UA_TYPES_UINT32]);
    }

    ctx->depth--;
    retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addString(ctx, "}");
    return retval;
}

static UA_StatusCode
printExtensionObject(UA_PrintContext *ctx, const UA_ExtensionObject*p,
                     const UA_DataType *_) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    switch(p->encoding) {
    case UA_EXTENSIONOBJECT_ENCODED_NOBODY:
        return UA_PrintContext_addString(ctx, "ExtensionObject(No Body)");
    case UA_EXTENSIONOBJECT_ENCODED_BYTESTRING:
        res |= UA_PrintContext_addString(ctx, "ExtensionObject(Binary Encoded) {");
        ctx->depth++;
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "DataType");
        res |= printNodeId(ctx, &p->content.encoded.typeId, NULL);
        res |= UA_PrintContext_addString(ctx, ",");
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "Body");
        res |= printByteString(ctx, &p->content.encoded.body, NULL);
        ctx->depth--;
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "}");
        break;
    case UA_EXTENSIONOBJECT_ENCODED_XML:
        res |= UA_PrintContext_addString(ctx, "ExtensionObject(XML Encoded) {");
        ctx->depth++;
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "DataType");
        res |= printNodeId(ctx, &p->content.encoded.typeId, NULL);
        res |= UA_PrintContext_addString(ctx, ",");
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "Body");
        res |= printString(ctx, (const UA_String*)&p->content.encoded.body, NULL);
        ctx->depth--;
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "}");
        break;
    case UA_EXTENSIONOBJECT_DECODED:
    case UA_EXTENSIONOBJECT_DECODED_NODELETE:
        res |= UA_PrintContext_addString(ctx, "ExtensionObject {");
        ctx->depth++;
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "DataType");
        res |= UA_PrintContext_addString(ctx, p->content.decoded.type->typeName);
        res |= UA_PrintContext_addString(ctx, ",");
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "Body");
        res |= printJumpTable[p->content.decoded.type->typeKind](ctx,
                                                                 p->content.decoded.data,
                                                                 p->content.decoded.type);
        ctx->depth--;
        res |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        res |= UA_PrintContext_addName(ctx, "}");
        break;
    default:
        res = UA_STATUSCODE_BADINTERNALERROR;
        break;
    }
    return res;
}

static UA_StatusCode
printDataValue(UA_PrintContext *ctx, const UA_DataValue *p, const UA_DataType *_) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    retval |= UA_PrintContext_addString(ctx, "{");
    ctx->depth++;
    UA_Boolean comma = false;

    if(p->hasValue) {
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "Value");
        retval |= printVariant(ctx, &p->value, NULL);
        comma = true;
    }

    if(p->hasStatus) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "Status");
        retval |= printStatusCode(ctx, &p->status, NULL);
        comma = true;
    }

    if(p->hasSourceTimestamp) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "SourceTimestamp");
        retval |= printDateTime(ctx, &p->sourceTimestamp, NULL);
        comma = true;
    }

    if(p->hasSourcePicoseconds) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "SourcePicoseconds");
        retval |= printUInt16(ctx, &p->sourcePicoseconds, NULL);
        comma = true;
    }

    if(p->hasServerTimestamp) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "ServerTimestamp");
        retval |= printDateTime(ctx, &p->serverTimestamp, NULL);
        comma = true;
    }

    if(p->hasServerPicoseconds) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "ServerPicoseconds");
        retval |= printUInt16(ctx, &p->serverPicoseconds, NULL);
        comma = true;
    }

    ctx->depth--;
    if(comma) {
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addString(ctx, "}");
    } else {
        retval |= UA_PrintContext_addString(ctx, " }");
    }
    return retval;
}

static UA_StatusCode
printDiagnosticInfo(UA_PrintContext *ctx, const UA_DiagnosticInfo *p, const UA_DataType *_) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    retval |= UA_PrintContext_addString(ctx, "{");
    ctx->depth++;
    UA_Boolean comma = false;

    if(p->hasSymbolicId) {
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "SymbolicId");
        retval |= printInt32(ctx, &p->symbolicId, NULL);
        comma = true;
    }

    if(p->hasNamespaceUri) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "NamespaceUri");
        retval |= printInt32(ctx, &p->namespaceUri, NULL);
        comma = true;
    }

    if(p->hasLocalizedText) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "LocalizedText");
        retval |= printInt32(ctx, &p->localizedText, NULL);
        comma = true;
    }

    if(p->hasLocale) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "Locale");
        retval |= printInt32(ctx, &p->locale, NULL);
        comma = true;
    }

    if(p->hasAdditionalInfo) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "AdditionalInfo");
        retval |= printString(ctx, &p->additionalInfo, NULL);
        comma = true;
    }

    if(p->hasInnerStatusCode) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "InnerStatusCode");
        retval |= printStatusCode(ctx, &p->innerStatusCode, NULL);
        comma = true;
    }

    if(p->hasInnerDiagnosticInfo) {
        if(comma)
            retval |= UA_PrintContext_addString(ctx, ",");
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addName(ctx, "InnerDiagnosticInfo");
        retval |= printDiagnosticInfo(ctx, p->innerDiagnosticInfo, NULL);
        comma = true;
    }

    ctx->depth--;
    if(comma) {
        retval |= UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        retval |= UA_PrintContext_addString(ctx, "}");
    } else {
        retval |= UA_PrintContext_addString(ctx, " }");
    }
    return retval;
}

static UA_StatusCode
printArray(UA_PrintContext *ctx, const void *p, const size_t length,
           const UA_DataType *type) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(!p) {
        retval |= UA_PrintContext_addString(ctx, "Array(-1, ");
        retval |= UA_PrintContext_addString(ctx, type->typeName);
        retval |= UA_PrintContext_addString(ctx, ")");
        return retval;
    }

    UA_UInt32 length32 = (UA_UInt32)length;
    retval |= UA_PrintContext_addString(ctx, "Array(");
    retval |= printUInt32(ctx, &length32, NULL);
    retval |= UA_PrintContext_addString(ctx, ", ");
    retval |= UA_PrintContext_addString(ctx, type->typeName);
    retval |= UA_PrintContext_addString(ctx, ") {");
    ctx->depth++;
    uintptr_t target = (uintptr_t)p;
    for(UA_UInt32 i = 0; i < length; i++) {
        UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        printUInt32(ctx, &i, NULL);
        retval |= UA_PrintContext_addString(ctx, ": ");
        printJumpTable[type->typeKind](ctx, (const void*)target, type);
        if(i < length - 1)
            retval |= UA_PrintContext_addString(ctx, ",");
        target += type->memSize;
    }
    ctx->depth--;
    UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addString(ctx, "}");
    return retval;
}

static UA_StatusCode
printStructure(UA_PrintContext *ctx, const void *p, const UA_DataType *type) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    uintptr_t ptrs = (uintptr_t)p;
    retval |= UA_PrintContext_addString(ctx, "{");
    ctx->depth++;
    for(size_t i = 0; i < type->membersSize; ++i) {
        UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
        const UA_DataTypeMember *m = &type->members[i];
        const UA_DataType *mt = m->memberType;
        ptrs += m->padding;
        retval |= UA_PrintContext_addName(ctx, m->memberName);
        if(!m->isArray) {
            retval |= printJumpTable[mt->typeKind](ctx, (const void *)ptrs, mt);
            ptrs += mt->memSize;
        } else {
            const size_t size = *((const size_t*)ptrs);
            ptrs += sizeof(size_t);
            retval |= printArray(ctx, *(void* const*)ptrs, size, mt);
            ptrs += sizeof(void*);
        }
        if(i < (size_t)(type->membersSize - 1))
            retval |= UA_PrintContext_addString(ctx, ",");
    }
    ctx->depth--;
    UA_PrintContext_addNewlineTabs(ctx, ctx->depth);
    retval |= UA_PrintContext_addString(ctx, "}");
    return retval;
}

static UA_StatusCode
printNotImplemented(UA_PrintContext *ctx, const void *p, const UA_DataType *type) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    res |= UA_PrintContext_addString(ctx, type->typeName);
    res |= UA_PrintContext_addString(ctx, " (Printing Not Implemented)");
    return res;
}

const UA_printSignature printJumpTable[UA_DATATYPEKINDS] = {
    (UA_printSignature)printBoolean,
    (UA_printSignature)printSByte,
    (UA_printSignature)printByte,
    (UA_printSignature)printInt16,
    (UA_printSignature)printUInt16,
    (UA_printSignature)printInt32,
    (UA_printSignature)printUInt32,
    (UA_printSignature)printInt64,
    (UA_printSignature)printUInt64,
    (UA_printSignature)printFloat,
    (UA_printSignature)printDouble,
    (UA_printSignature)printString,
    (UA_printSignature)printDateTime,
    (UA_printSignature)printGuid,
    (UA_printSignature)printByteString,
    (UA_printSignature)printString,         /* XmlElement */
    (UA_printSignature)printNodeId,
    (UA_printSignature)printExpandedNodeId,
    (UA_printSignature)printStatusCode,
    (UA_printSignature)printQualifiedName,
    (UA_printSignature)printLocalizedText,
    (UA_printSignature)printExtensionObject,
    (UA_printSignature)printDataValue,
    (UA_printSignature)printVariant,
    (UA_printSignature)printDiagnosticInfo,
    (UA_printSignature)printNotImplemented, /* Decimal */
    (UA_printSignature)printUInt32,         /* Enumeration */
    (UA_printSignature)printStructure,
    (UA_printSignature)printNotImplemented, /* Structure with Optional Fields */
    (UA_printSignature)printNotImplemented, /* Union */
    (UA_printSignature)printNotImplemented  /* BitfieldCluster*/
};

UA_StatusCode
UA_print(const void *p, const UA_DataType *type, UA_String *output) {
    UA_PrintContext ctx;
    ctx.depth = 0;
    TAILQ_INIT(&ctx.outputs);

    /* Encode */
    UA_StatusCode retval = printJumpTable[type->typeKind](&ctx, p, type);

    /* Allocate memory for the output */
    if(retval == UA_STATUSCODE_GOOD) {
        size_t total = 0;
        UA_PrintOutput *out;
        TAILQ_FOREACH(out, &ctx.outputs, next)
            total += out->length;
        retval = UA_ByteString_allocBuffer((UA_String*)output, total);
    }

    /* Write the output */
    if(retval == UA_STATUSCODE_GOOD) {
        size_t pos = 0;
        UA_PrintOutput *out;
        TAILQ_FOREACH(out, &ctx.outputs, next) {
            memcpy(&output->data[pos], out->data, out->length);
            pos += out->length;
        }
    }

    /* Free the context */
    UA_PrintOutput *o, *o2;
    TAILQ_FOREACH_SAFE(o, &ctx.outputs, next, o2) {
        TAILQ_REMOVE(&ctx.outputs, o, next);
        UA_free(o);
    }
    return retval;
}

#endif /* UA_ENABLE_TYPEDESCRIPTION */

/**** amalgamated original file "/build/src_generated/open62541/types_generated.c" ****/

/**********************************
 * Autogenerated -- do not modify *
 **********************************/


/* Boolean */
#define Boolean_members NULL

/* SByte */
#define SByte_members NULL

/* Byte */
#define Byte_members NULL

/* Int16 */
#define Int16_members NULL

/* UInt16 */
#define UInt16_members NULL

/* Int32 */
#define Int32_members NULL

/* UInt32 */
#define UInt32_members NULL

/* Int64 */
#define Int64_members NULL

/* UInt64 */
#define UInt64_members NULL

/* Float */
#define Float_members NULL

/* Double */
#define Double_members NULL

/* String */
#define String_members NULL

/* DateTime */
#define DateTime_members NULL

/* Guid */
#define Guid_members NULL

/* ByteString */
#define ByteString_members NULL

/* XmlElement */
#define XmlElement_members NULL

/* NodeId */
#define NodeId_members NULL

/* ExpandedNodeId */
#define ExpandedNodeId_members NULL

/* StatusCode */
#define StatusCode_members NULL

/* QualifiedName */
#define QualifiedName_members NULL

/* LocalizedText */
#define LocalizedText_members NULL

/* ExtensionObject */
#define ExtensionObject_members NULL

/* DataValue */
#define DataValue_members NULL

/* Variant */
#define Variant_members NULL

/* DiagnosticInfo */
#define DiagnosticInfo_members NULL

/* KeyValuePair */
static UA_DataTypeMember KeyValuePair_members[2] = {
{
    UA_TYPENAME("Key") /* .memberName */
    &UA_TYPES[UA_TYPES_QUALIFIEDNAME], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    offsetof(UA_KeyValuePair, value) - offsetof(UA_KeyValuePair, key) - sizeof(UA_QualifiedName), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* NodeClass */
#define NodeClass_members NULL

/* StructureType */
#define StructureType_members NULL

/* StructureField */
static UA_DataTypeMember StructureField_members[7] = {
{
    UA_TYPENAME("Name") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_StructureField, description) - offsetof(UA_StructureField, name) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DataType") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_StructureField, dataType) - offsetof(UA_StructureField, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ValueRank") /* .memberName */
    &UA_TYPES[UA_TYPES_INT32], /* .memberType */
    offsetof(UA_StructureField, valueRank) - offsetof(UA_StructureField, dataType) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ArrayDimensions") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_StructureField, arrayDimensionsSize) - offsetof(UA_StructureField, valueRank) - sizeof(UA_Int32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxStringLength") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_StructureField, maxStringLength) - offsetof(UA_StructureField, arrayDimensions) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsOptional") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_StructureField, isOptional) - offsetof(UA_StructureField, maxStringLength) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* StructureDefinition */
static UA_DataTypeMember StructureDefinition_members[4] = {
{
    UA_TYPENAME("DefaultEncodingId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BaseDataType") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_StructureDefinition, baseDataType) - offsetof(UA_StructureDefinition, defaultEncodingId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("StructureType") /* .memberName */
    &UA_TYPES[UA_TYPES_STRUCTURETYPE], /* .memberType */
    offsetof(UA_StructureDefinition, structureType) - offsetof(UA_StructureDefinition, baseDataType) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Fields") /* .memberName */
    &UA_TYPES[UA_TYPES_STRUCTUREFIELD], /* .memberType */
    offsetof(UA_StructureDefinition, fieldsSize) - offsetof(UA_StructureDefinition, structureType) - sizeof(UA_StructureType), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* Argument */
static UA_DataTypeMember Argument_members[5] = {
{
    UA_TYPENAME("Name") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DataType") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_Argument, dataType) - offsetof(UA_Argument, name) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ValueRank") /* .memberName */
    &UA_TYPES[UA_TYPES_INT32], /* .memberType */
    offsetof(UA_Argument, valueRank) - offsetof(UA_Argument, dataType) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ArrayDimensions") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_Argument, arrayDimensionsSize) - offsetof(UA_Argument, valueRank) - sizeof(UA_Int32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_Argument, description) - offsetof(UA_Argument, arrayDimensions) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EnumValueType */
static UA_DataTypeMember EnumValueType_members[3] = {
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_INT64], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_EnumValueType, displayName) - offsetof(UA_EnumValueType, value) - sizeof(UA_Int64), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_EnumValueType, description) - offsetof(UA_EnumValueType, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EnumField */
static UA_DataTypeMember EnumField_members[4] = {
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_INT64], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_EnumField, displayName) - offsetof(UA_EnumField, value) - sizeof(UA_Int64), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_EnumField, description) - offsetof(UA_EnumField, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Name") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_EnumField, name) - offsetof(UA_EnumField, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* Duration */
#define Duration_members NULL

/* UtcTime */
#define UtcTime_members NULL

/* LocaleId */
#define LocaleId_members NULL

/* TimeZoneDataType */
static UA_DataTypeMember TimeZoneDataType_members[2] = {
{
    UA_TYPENAME("Offset") /* .memberName */
    &UA_TYPES[UA_TYPES_INT16], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DaylightSavingInOffset") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_TimeZoneDataType, daylightSavingInOffset) - offsetof(UA_TimeZoneDataType, offset) - sizeof(UA_Int16), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ApplicationType */
#define ApplicationType_members NULL

/* ApplicationDescription */
static UA_DataTypeMember ApplicationDescription_members[7] = {
{
    UA_TYPENAME("ApplicationUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ProductUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ApplicationDescription, productUri) - offsetof(UA_ApplicationDescription, applicationUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ApplicationName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ApplicationDescription, applicationName) - offsetof(UA_ApplicationDescription, productUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ApplicationType") /* .memberName */
    &UA_TYPES[UA_TYPES_APPLICATIONTYPE], /* .memberType */
    offsetof(UA_ApplicationDescription, applicationType) - offsetof(UA_ApplicationDescription, applicationName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("GatewayServerUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ApplicationDescription, gatewayServerUri) - offsetof(UA_ApplicationDescription, applicationType) - sizeof(UA_ApplicationType), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiscoveryProfileUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ApplicationDescription, discoveryProfileUri) - offsetof(UA_ApplicationDescription, gatewayServerUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiscoveryUrls") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ApplicationDescription, discoveryUrlsSize) - offsetof(UA_ApplicationDescription, discoveryProfileUri) - sizeof(UA_String), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* RequestHeader */
static UA_DataTypeMember RequestHeader_members[7] = {
{
    UA_TYPENAME("AuthenticationToken") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Timestamp") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_RequestHeader, timestamp) - offsetof(UA_RequestHeader, authenticationToken) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestHandle") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_RequestHeader, requestHandle) - offsetof(UA_RequestHeader, timestamp) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReturnDiagnostics") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_RequestHeader, returnDiagnostics) - offsetof(UA_RequestHeader, requestHandle) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AuditEntryId") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_RequestHeader, auditEntryId) - offsetof(UA_RequestHeader, returnDiagnostics) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TimeoutHint") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_RequestHeader, timeoutHint) - offsetof(UA_RequestHeader, auditEntryId) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AdditionalHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_RequestHeader, additionalHeader) - offsetof(UA_RequestHeader, timeoutHint) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ResponseHeader */
static UA_DataTypeMember ResponseHeader_members[6] = {
{
    UA_TYPENAME("Timestamp") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestHandle") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ResponseHeader, requestHandle) - offsetof(UA_ResponseHeader, timestamp) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServiceResult") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_ResponseHeader, serviceResult) - offsetof(UA_ResponseHeader, requestHandle) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServiceDiagnostics") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_ResponseHeader, serviceDiagnostics) - offsetof(UA_ResponseHeader, serviceResult) - sizeof(UA_StatusCode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("StringTable") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ResponseHeader, stringTableSize) - offsetof(UA_ResponseHeader, serviceDiagnostics) - sizeof(UA_DiagnosticInfo), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AdditionalHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_ResponseHeader, additionalHeader) - offsetof(UA_ResponseHeader, stringTable) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ServiceFault */
static UA_DataTypeMember ServiceFault_members[1] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* FindServersRequest */
static UA_DataTypeMember FindServersRequest_members[4] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndpointUrl") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_FindServersRequest, endpointUrl) - offsetof(UA_FindServersRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("LocaleIds") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_FindServersRequest, localeIdsSize) - offsetof(UA_FindServersRequest, endpointUrl) - sizeof(UA_String), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerUris") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_FindServersRequest, serverUrisSize) - offsetof(UA_FindServersRequest, localeIds) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* FindServersResponse */
static UA_DataTypeMember FindServersResponse_members[2] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Servers") /* .memberName */
    &UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION], /* .memberType */
    offsetof(UA_FindServersResponse, serversSize) - offsetof(UA_FindServersResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* MessageSecurityMode */
#define MessageSecurityMode_members NULL

/* UserTokenType */
#define UserTokenType_members NULL

/* UserTokenPolicy */
static UA_DataTypeMember UserTokenPolicy_members[5] = {
{
    UA_TYPENAME("PolicyId") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TokenType") /* .memberName */
    &UA_TYPES[UA_TYPES_USERTOKENTYPE], /* .memberType */
    offsetof(UA_UserTokenPolicy, tokenType) - offsetof(UA_UserTokenPolicy, policyId) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IssuedTokenType") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_UserTokenPolicy, issuedTokenType) - offsetof(UA_UserTokenPolicy, tokenType) - sizeof(UA_UserTokenType), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IssuerEndpointUrl") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_UserTokenPolicy, issuerEndpointUrl) - offsetof(UA_UserTokenPolicy, issuedTokenType) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityPolicyUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_UserTokenPolicy, securityPolicyUri) - offsetof(UA_UserTokenPolicy, issuerEndpointUrl) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EndpointDescription */
static UA_DataTypeMember EndpointDescription_members[8] = {
{
    UA_TYPENAME("EndpointUrl") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Server") /* .memberName */
    &UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION], /* .memberType */
    offsetof(UA_EndpointDescription, server) - offsetof(UA_EndpointDescription, endpointUrl) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerCertificate") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_EndpointDescription, serverCertificate) - offsetof(UA_EndpointDescription, server) - sizeof(UA_ApplicationDescription), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityMode") /* .memberName */
    &UA_TYPES[UA_TYPES_MESSAGESECURITYMODE], /* .memberType */
    offsetof(UA_EndpointDescription, securityMode) - offsetof(UA_EndpointDescription, serverCertificate) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityPolicyUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_EndpointDescription, securityPolicyUri) - offsetof(UA_EndpointDescription, securityMode) - sizeof(UA_MessageSecurityMode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserIdentityTokens") /* .memberName */
    &UA_TYPES[UA_TYPES_USERTOKENPOLICY], /* .memberType */
    offsetof(UA_EndpointDescription, userIdentityTokensSize) - offsetof(UA_EndpointDescription, securityPolicyUri) - sizeof(UA_String), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TransportProfileUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_EndpointDescription, transportProfileUri) - offsetof(UA_EndpointDescription, userIdentityTokens) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityLevel") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_EndpointDescription, securityLevel) - offsetof(UA_EndpointDescription, transportProfileUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* GetEndpointsRequest */
static UA_DataTypeMember GetEndpointsRequest_members[4] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndpointUrl") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_GetEndpointsRequest, endpointUrl) - offsetof(UA_GetEndpointsRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("LocaleIds") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_GetEndpointsRequest, localeIdsSize) - offsetof(UA_GetEndpointsRequest, endpointUrl) - sizeof(UA_String), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ProfileUris") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_GetEndpointsRequest, profileUrisSize) - offsetof(UA_GetEndpointsRequest, localeIds) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* GetEndpointsResponse */
static UA_DataTypeMember GetEndpointsResponse_members[2] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Endpoints") /* .memberName */
    &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION], /* .memberType */
    offsetof(UA_GetEndpointsResponse, endpointsSize) - offsetof(UA_GetEndpointsResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* SecurityTokenRequestType */
#define SecurityTokenRequestType_members NULL

/* ChannelSecurityToken */
static UA_DataTypeMember ChannelSecurityToken_members[4] = {
{
    UA_TYPENAME("ChannelId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TokenId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ChannelSecurityToken, tokenId) - offsetof(UA_ChannelSecurityToken, channelId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("CreatedAt") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ChannelSecurityToken, createdAt) - offsetof(UA_ChannelSecurityToken, tokenId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedLifetime") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ChannelSecurityToken, revisedLifetime) - offsetof(UA_ChannelSecurityToken, createdAt) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* OpenSecureChannelRequest */
static UA_DataTypeMember OpenSecureChannelRequest_members[6] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ClientProtocolVersion") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_OpenSecureChannelRequest, clientProtocolVersion) - offsetof(UA_OpenSecureChannelRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestType") /* .memberName */
    &UA_TYPES[UA_TYPES_SECURITYTOKENREQUESTTYPE], /* .memberType */
    offsetof(UA_OpenSecureChannelRequest, requestType) - offsetof(UA_OpenSecureChannelRequest, clientProtocolVersion) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityMode") /* .memberName */
    &UA_TYPES[UA_TYPES_MESSAGESECURITYMODE], /* .memberType */
    offsetof(UA_OpenSecureChannelRequest, securityMode) - offsetof(UA_OpenSecureChannelRequest, requestType) - sizeof(UA_SecurityTokenRequestType), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ClientNonce") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_OpenSecureChannelRequest, clientNonce) - offsetof(UA_OpenSecureChannelRequest, securityMode) - sizeof(UA_MessageSecurityMode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedLifetime") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_OpenSecureChannelRequest, requestedLifetime) - offsetof(UA_OpenSecureChannelRequest, clientNonce) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* OpenSecureChannelResponse */
static UA_DataTypeMember OpenSecureChannelResponse_members[4] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerProtocolVersion") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_OpenSecureChannelResponse, serverProtocolVersion) - offsetof(UA_OpenSecureChannelResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityToken") /* .memberName */
    &UA_TYPES[UA_TYPES_CHANNELSECURITYTOKEN], /* .memberType */
    offsetof(UA_OpenSecureChannelResponse, securityToken) - offsetof(UA_OpenSecureChannelResponse, serverProtocolVersion) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerNonce") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_OpenSecureChannelResponse, serverNonce) - offsetof(UA_OpenSecureChannelResponse, securityToken) - sizeof(UA_ChannelSecurityToken), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* CloseSecureChannelRequest */
static UA_DataTypeMember CloseSecureChannelRequest_members[1] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* CloseSecureChannelResponse */
static UA_DataTypeMember CloseSecureChannelResponse_members[1] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* SignedSoftwareCertificate */
static UA_DataTypeMember SignedSoftwareCertificate_members[2] = {
{
    UA_TYPENAME("CertificateData") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Signature") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_SignedSoftwareCertificate, signature) - offsetof(UA_SignedSoftwareCertificate, certificateData) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* SignatureData */
static UA_DataTypeMember SignatureData_members[2] = {
{
    UA_TYPENAME("Algorithm") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Signature") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_SignatureData, signature) - offsetof(UA_SignatureData, algorithm) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* CreateSessionRequest */
static UA_DataTypeMember CreateSessionRequest_members[9] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ClientDescription") /* .memberName */
    &UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION], /* .memberType */
    offsetof(UA_CreateSessionRequest, clientDescription) - offsetof(UA_CreateSessionRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_CreateSessionRequest, serverUri) - offsetof(UA_CreateSessionRequest, clientDescription) - sizeof(UA_ApplicationDescription), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndpointUrl") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_CreateSessionRequest, endpointUrl) - offsetof(UA_CreateSessionRequest, serverUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SessionName") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_CreateSessionRequest, sessionName) - offsetof(UA_CreateSessionRequest, endpointUrl) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ClientNonce") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_CreateSessionRequest, clientNonce) - offsetof(UA_CreateSessionRequest, sessionName) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ClientCertificate") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_CreateSessionRequest, clientCertificate) - offsetof(UA_CreateSessionRequest, clientNonce) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedSessionTimeout") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_CreateSessionRequest, requestedSessionTimeout) - offsetof(UA_CreateSessionRequest, clientCertificate) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxResponseMessageSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSessionRequest, maxResponseMessageSize) - offsetof(UA_CreateSessionRequest, requestedSessionTimeout) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* CreateSessionResponse */
static UA_DataTypeMember CreateSessionResponse_members[10] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SessionId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_CreateSessionResponse, sessionId) - offsetof(UA_CreateSessionResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AuthenticationToken") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_CreateSessionResponse, authenticationToken) - offsetof(UA_CreateSessionResponse, sessionId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedSessionTimeout") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_CreateSessionResponse, revisedSessionTimeout) - offsetof(UA_CreateSessionResponse, authenticationToken) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerNonce") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_CreateSessionResponse, serverNonce) - offsetof(UA_CreateSessionResponse, revisedSessionTimeout) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerCertificate") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_CreateSessionResponse, serverCertificate) - offsetof(UA_CreateSessionResponse, serverNonce) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerEndpoints") /* .memberName */
    &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION], /* .memberType */
    offsetof(UA_CreateSessionResponse, serverEndpointsSize) - offsetof(UA_CreateSessionResponse, serverCertificate) - sizeof(UA_ByteString), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerSoftwareCertificates") /* .memberName */
    &UA_TYPES[UA_TYPES_SIGNEDSOFTWARECERTIFICATE], /* .memberType */
    offsetof(UA_CreateSessionResponse, serverSoftwareCertificatesSize) - offsetof(UA_CreateSessionResponse, serverEndpoints) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerSignature") /* .memberName */
    &UA_TYPES[UA_TYPES_SIGNATUREDATA], /* .memberType */
    offsetof(UA_CreateSessionResponse, serverSignature) - offsetof(UA_CreateSessionResponse, serverSoftwareCertificates) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxRequestMessageSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSessionResponse, maxRequestMessageSize) - offsetof(UA_CreateSessionResponse, serverSignature) - sizeof(UA_SignatureData), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* UserIdentityToken */
static UA_DataTypeMember UserIdentityToken_members[1] = {
{
    UA_TYPENAME("PolicyId") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AnonymousIdentityToken */
static UA_DataTypeMember AnonymousIdentityToken_members[1] = {
{
    UA_TYPENAME("PolicyId") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* UserNameIdentityToken */
static UA_DataTypeMember UserNameIdentityToken_members[4] = {
{
    UA_TYPENAME("PolicyId") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserName") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_UserNameIdentityToken, userName) - offsetof(UA_UserNameIdentityToken, policyId) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Password") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_UserNameIdentityToken, password) - offsetof(UA_UserNameIdentityToken, userName) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EncryptionAlgorithm") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_UserNameIdentityToken, encryptionAlgorithm) - offsetof(UA_UserNameIdentityToken, password) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* X509IdentityToken */
static UA_DataTypeMember X509IdentityToken_members[2] = {
{
    UA_TYPENAME("PolicyId") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("CertificateData") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_X509IdentityToken, certificateData) - offsetof(UA_X509IdentityToken, policyId) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* IssuedIdentityToken */
static UA_DataTypeMember IssuedIdentityToken_members[3] = {
{
    UA_TYPENAME("PolicyId") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TokenData") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_IssuedIdentityToken, tokenData) - offsetof(UA_IssuedIdentityToken, policyId) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EncryptionAlgorithm") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_IssuedIdentityToken, encryptionAlgorithm) - offsetof(UA_IssuedIdentityToken, tokenData) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ActivateSessionRequest */
static UA_DataTypeMember ActivateSessionRequest_members[6] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ClientSignature") /* .memberName */
    &UA_TYPES[UA_TYPES_SIGNATUREDATA], /* .memberType */
    offsetof(UA_ActivateSessionRequest, clientSignature) - offsetof(UA_ActivateSessionRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ClientSoftwareCertificates") /* .memberName */
    &UA_TYPES[UA_TYPES_SIGNEDSOFTWARECERTIFICATE], /* .memberType */
    offsetof(UA_ActivateSessionRequest, clientSoftwareCertificatesSize) - offsetof(UA_ActivateSessionRequest, clientSignature) - sizeof(UA_SignatureData), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("LocaleIds") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ActivateSessionRequest, localeIdsSize) - offsetof(UA_ActivateSessionRequest, clientSoftwareCertificates) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserIdentityToken") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_ActivateSessionRequest, userIdentityToken) - offsetof(UA_ActivateSessionRequest, localeIds) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserTokenSignature") /* .memberName */
    &UA_TYPES[UA_TYPES_SIGNATUREDATA], /* .memberType */
    offsetof(UA_ActivateSessionRequest, userTokenSignature) - offsetof(UA_ActivateSessionRequest, userIdentityToken) - sizeof(UA_ExtensionObject), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ActivateSessionResponse */
static UA_DataTypeMember ActivateSessionResponse_members[4] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ServerNonce") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_ActivateSessionResponse, serverNonce) - offsetof(UA_ActivateSessionResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_ActivateSessionResponse, resultsSize) - offsetof(UA_ActivateSessionResponse, serverNonce) - sizeof(UA_ByteString), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_ActivateSessionResponse, diagnosticInfosSize) - offsetof(UA_ActivateSessionResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* CloseSessionRequest */
static UA_DataTypeMember CloseSessionRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DeleteSubscriptions") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_CloseSessionRequest, deleteSubscriptions) - offsetof(UA_CloseSessionRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* CloseSessionResponse */
static UA_DataTypeMember CloseSessionResponse_members[1] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* NodeAttributesMask */
#define NodeAttributesMask_members NULL

/* NodeAttributes */
static UA_DataTypeMember NodeAttributes_members[5] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_NodeAttributes, displayName) - offsetof(UA_NodeAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_NodeAttributes, description) - offsetof(UA_NodeAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_NodeAttributes, writeMask) - offsetof(UA_NodeAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_NodeAttributes, userWriteMask) - offsetof(UA_NodeAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ObjectAttributes */
static UA_DataTypeMember ObjectAttributes_members[6] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ObjectAttributes, displayName) - offsetof(UA_ObjectAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ObjectAttributes, description) - offsetof(UA_ObjectAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ObjectAttributes, writeMask) - offsetof(UA_ObjectAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ObjectAttributes, userWriteMask) - offsetof(UA_ObjectAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EventNotifier") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_ObjectAttributes, eventNotifier) - offsetof(UA_ObjectAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* VariableAttributes */
static UA_DataTypeMember VariableAttributes_members[13] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_VariableAttributes, displayName) - offsetof(UA_VariableAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_VariableAttributes, description) - offsetof(UA_VariableAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_VariableAttributes, writeMask) - offsetof(UA_VariableAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_VariableAttributes, userWriteMask) - offsetof(UA_VariableAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    offsetof(UA_VariableAttributes, value) - offsetof(UA_VariableAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DataType") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_VariableAttributes, dataType) - offsetof(UA_VariableAttributes, value) - sizeof(UA_Variant), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ValueRank") /* .memberName */
    &UA_TYPES[UA_TYPES_INT32], /* .memberType */
    offsetof(UA_VariableAttributes, valueRank) - offsetof(UA_VariableAttributes, dataType) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ArrayDimensions") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_VariableAttributes, arrayDimensionsSize) - offsetof(UA_VariableAttributes, valueRank) - sizeof(UA_Int32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AccessLevel") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_VariableAttributes, accessLevel) - offsetof(UA_VariableAttributes, arrayDimensions) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserAccessLevel") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_VariableAttributes, userAccessLevel) - offsetof(UA_VariableAttributes, accessLevel) - sizeof(UA_Byte), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MinimumSamplingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_VariableAttributes, minimumSamplingInterval) - offsetof(UA_VariableAttributes, userAccessLevel) - sizeof(UA_Byte), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Historizing") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_VariableAttributes, historizing) - offsetof(UA_VariableAttributes, minimumSamplingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* MethodAttributes */
static UA_DataTypeMember MethodAttributes_members[7] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_MethodAttributes, displayName) - offsetof(UA_MethodAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_MethodAttributes, description) - offsetof(UA_MethodAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_MethodAttributes, writeMask) - offsetof(UA_MethodAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_MethodAttributes, userWriteMask) - offsetof(UA_MethodAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Executable") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_MethodAttributes, executable) - offsetof(UA_MethodAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserExecutable") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_MethodAttributes, userExecutable) - offsetof(UA_MethodAttributes, executable) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ObjectTypeAttributes */
static UA_DataTypeMember ObjectTypeAttributes_members[6] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ObjectTypeAttributes, displayName) - offsetof(UA_ObjectTypeAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ObjectTypeAttributes, description) - offsetof(UA_ObjectTypeAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ObjectTypeAttributes, writeMask) - offsetof(UA_ObjectTypeAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ObjectTypeAttributes, userWriteMask) - offsetof(UA_ObjectTypeAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsAbstract") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_ObjectTypeAttributes, isAbstract) - offsetof(UA_ObjectTypeAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* VariableTypeAttributes */
static UA_DataTypeMember VariableTypeAttributes_members[10] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_VariableTypeAttributes, displayName) - offsetof(UA_VariableTypeAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_VariableTypeAttributes, description) - offsetof(UA_VariableTypeAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_VariableTypeAttributes, writeMask) - offsetof(UA_VariableTypeAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_VariableTypeAttributes, userWriteMask) - offsetof(UA_VariableTypeAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    offsetof(UA_VariableTypeAttributes, value) - offsetof(UA_VariableTypeAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DataType") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_VariableTypeAttributes, dataType) - offsetof(UA_VariableTypeAttributes, value) - sizeof(UA_Variant), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ValueRank") /* .memberName */
    &UA_TYPES[UA_TYPES_INT32], /* .memberType */
    offsetof(UA_VariableTypeAttributes, valueRank) - offsetof(UA_VariableTypeAttributes, dataType) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ArrayDimensions") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_VariableTypeAttributes, arrayDimensionsSize) - offsetof(UA_VariableTypeAttributes, valueRank) - sizeof(UA_Int32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsAbstract") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_VariableTypeAttributes, isAbstract) - offsetof(UA_VariableTypeAttributes, arrayDimensions) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ReferenceTypeAttributes */
static UA_DataTypeMember ReferenceTypeAttributes_members[8] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ReferenceTypeAttributes, displayName) - offsetof(UA_ReferenceTypeAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ReferenceTypeAttributes, description) - offsetof(UA_ReferenceTypeAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ReferenceTypeAttributes, writeMask) - offsetof(UA_ReferenceTypeAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ReferenceTypeAttributes, userWriteMask) - offsetof(UA_ReferenceTypeAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsAbstract") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_ReferenceTypeAttributes, isAbstract) - offsetof(UA_ReferenceTypeAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Symmetric") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_ReferenceTypeAttributes, symmetric) - offsetof(UA_ReferenceTypeAttributes, isAbstract) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("InverseName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ReferenceTypeAttributes, inverseName) - offsetof(UA_ReferenceTypeAttributes, symmetric) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* DataTypeAttributes */
static UA_DataTypeMember DataTypeAttributes_members[6] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_DataTypeAttributes, displayName) - offsetof(UA_DataTypeAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_DataTypeAttributes, description) - offsetof(UA_DataTypeAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_DataTypeAttributes, writeMask) - offsetof(UA_DataTypeAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_DataTypeAttributes, userWriteMask) - offsetof(UA_DataTypeAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsAbstract") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_DataTypeAttributes, isAbstract) - offsetof(UA_DataTypeAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ViewAttributes */
static UA_DataTypeMember ViewAttributes_members[7] = {
{
    UA_TYPENAME("SpecifiedAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ViewAttributes, displayName) - offsetof(UA_ViewAttributes, specifiedAttributes) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ViewAttributes, description) - offsetof(UA_ViewAttributes, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ViewAttributes, writeMask) - offsetof(UA_ViewAttributes, description) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserWriteMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ViewAttributes, userWriteMask) - offsetof(UA_ViewAttributes, writeMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ContainsNoLoops") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_ViewAttributes, containsNoLoops) - offsetof(UA_ViewAttributes, userWriteMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EventNotifier") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_ViewAttributes, eventNotifier) - offsetof(UA_ViewAttributes, containsNoLoops) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AddNodesItem */
static UA_DataTypeMember AddNodesItem_members[7] = {
{
    UA_TYPENAME("ParentNodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReferenceTypeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_AddNodesItem, referenceTypeId) - offsetof(UA_AddNodesItem, parentNodeId) - sizeof(UA_ExpandedNodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedNewNodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    offsetof(UA_AddNodesItem, requestedNewNodeId) - offsetof(UA_AddNodesItem, referenceTypeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BrowseName") /* .memberName */
    &UA_TYPES[UA_TYPES_QUALIFIEDNAME], /* .memberType */
    offsetof(UA_AddNodesItem, browseName) - offsetof(UA_AddNodesItem, requestedNewNodeId) - sizeof(UA_ExpandedNodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodeClass") /* .memberName */
    &UA_TYPES[UA_TYPES_NODECLASS], /* .memberType */
    offsetof(UA_AddNodesItem, nodeClass) - offsetof(UA_AddNodesItem, browseName) - sizeof(UA_QualifiedName), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodeAttributes") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_AddNodesItem, nodeAttributes) - offsetof(UA_AddNodesItem, nodeClass) - sizeof(UA_NodeClass), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TypeDefinition") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    offsetof(UA_AddNodesItem, typeDefinition) - offsetof(UA_AddNodesItem, nodeAttributes) - sizeof(UA_ExtensionObject), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AddNodesResult */
static UA_DataTypeMember AddNodesResult_members[2] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AddedNodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_AddNodesResult, addedNodeId) - offsetof(UA_AddNodesResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AddNodesRequest */
static UA_DataTypeMember AddNodesRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToAdd") /* .memberName */
    &UA_TYPES[UA_TYPES_ADDNODESITEM], /* .memberType */
    offsetof(UA_AddNodesRequest, nodesToAddSize) - offsetof(UA_AddNodesRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* AddNodesResponse */
static UA_DataTypeMember AddNodesResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_ADDNODESRESULT], /* .memberType */
    offsetof(UA_AddNodesResponse, resultsSize) - offsetof(UA_AddNodesResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_AddNodesResponse, diagnosticInfosSize) - offsetof(UA_AddNodesResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* AddReferencesItem */
static UA_DataTypeMember AddReferencesItem_members[6] = {
{
    UA_TYPENAME("SourceNodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReferenceTypeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_AddReferencesItem, referenceTypeId) - offsetof(UA_AddReferencesItem, sourceNodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsForward") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_AddReferencesItem, isForward) - offsetof(UA_AddReferencesItem, referenceTypeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TargetServerUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_AddReferencesItem, targetServerUri) - offsetof(UA_AddReferencesItem, isForward) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TargetNodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    offsetof(UA_AddReferencesItem, targetNodeId) - offsetof(UA_AddReferencesItem, targetServerUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TargetNodeClass") /* .memberName */
    &UA_TYPES[UA_TYPES_NODECLASS], /* .memberType */
    offsetof(UA_AddReferencesItem, targetNodeClass) - offsetof(UA_AddReferencesItem, targetNodeId) - sizeof(UA_ExpandedNodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AddReferencesRequest */
static UA_DataTypeMember AddReferencesRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReferencesToAdd") /* .memberName */
    &UA_TYPES[UA_TYPES_ADDREFERENCESITEM], /* .memberType */
    offsetof(UA_AddReferencesRequest, referencesToAddSize) - offsetof(UA_AddReferencesRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* AddReferencesResponse */
static UA_DataTypeMember AddReferencesResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_AddReferencesResponse, resultsSize) - offsetof(UA_AddReferencesResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_AddReferencesResponse, diagnosticInfosSize) - offsetof(UA_AddReferencesResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteNodesItem */
static UA_DataTypeMember DeleteNodesItem_members[2] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DeleteTargetReferences") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_DeleteNodesItem, deleteTargetReferences) - offsetof(UA_DeleteNodesItem, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteNodesRequest */
static UA_DataTypeMember DeleteNodesRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToDelete") /* .memberName */
    &UA_TYPES[UA_TYPES_DELETENODESITEM], /* .memberType */
    offsetof(UA_DeleteNodesRequest, nodesToDeleteSize) - offsetof(UA_DeleteNodesRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteNodesResponse */
static UA_DataTypeMember DeleteNodesResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_DeleteNodesResponse, resultsSize) - offsetof(UA_DeleteNodesResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_DeleteNodesResponse, diagnosticInfosSize) - offsetof(UA_DeleteNodesResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteReferencesItem */
static UA_DataTypeMember DeleteReferencesItem_members[5] = {
{
    UA_TYPENAME("SourceNodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReferenceTypeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_DeleteReferencesItem, referenceTypeId) - offsetof(UA_DeleteReferencesItem, sourceNodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsForward") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_DeleteReferencesItem, isForward) - offsetof(UA_DeleteReferencesItem, referenceTypeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TargetNodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    offsetof(UA_DeleteReferencesItem, targetNodeId) - offsetof(UA_DeleteReferencesItem, isForward) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DeleteBidirectional") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_DeleteReferencesItem, deleteBidirectional) - offsetof(UA_DeleteReferencesItem, targetNodeId) - sizeof(UA_ExpandedNodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteReferencesRequest */
static UA_DataTypeMember DeleteReferencesRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReferencesToDelete") /* .memberName */
    &UA_TYPES[UA_TYPES_DELETEREFERENCESITEM], /* .memberType */
    offsetof(UA_DeleteReferencesRequest, referencesToDeleteSize) - offsetof(UA_DeleteReferencesRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteReferencesResponse */
static UA_DataTypeMember DeleteReferencesResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_DeleteReferencesResponse, resultsSize) - offsetof(UA_DeleteReferencesResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_DeleteReferencesResponse, diagnosticInfosSize) - offsetof(UA_DeleteReferencesResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseDirection */
#define BrowseDirection_members NULL

/* ViewDescription */
static UA_DataTypeMember ViewDescription_members[3] = {
{
    UA_TYPENAME("ViewId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Timestamp") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ViewDescription, timestamp) - offsetof(UA_ViewDescription, viewId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ViewVersion") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ViewDescription, viewVersion) - offsetof(UA_ViewDescription, timestamp) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseDescription */
static UA_DataTypeMember BrowseDescription_members[6] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BrowseDirection") /* .memberName */
    &UA_TYPES[UA_TYPES_BROWSEDIRECTION], /* .memberType */
    offsetof(UA_BrowseDescription, browseDirection) - offsetof(UA_BrowseDescription, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReferenceTypeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_BrowseDescription, referenceTypeId) - offsetof(UA_BrowseDescription, browseDirection) - sizeof(UA_BrowseDirection), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IncludeSubtypes") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_BrowseDescription, includeSubtypes) - offsetof(UA_BrowseDescription, referenceTypeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodeClassMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_BrowseDescription, nodeClassMask) - offsetof(UA_BrowseDescription, includeSubtypes) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ResultMask") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_BrowseDescription, resultMask) - offsetof(UA_BrowseDescription, nodeClassMask) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseResultMask */
#define BrowseResultMask_members NULL

/* ReferenceDescription */
static UA_DataTypeMember ReferenceDescription_members[7] = {
{
    UA_TYPENAME("ReferenceTypeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsForward") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_ReferenceDescription, isForward) - offsetof(UA_ReferenceDescription, referenceTypeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    offsetof(UA_ReferenceDescription, nodeId) - offsetof(UA_ReferenceDescription, isForward) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BrowseName") /* .memberName */
    &UA_TYPES[UA_TYPES_QUALIFIEDNAME], /* .memberType */
    offsetof(UA_ReferenceDescription, browseName) - offsetof(UA_ReferenceDescription, nodeId) - sizeof(UA_ExpandedNodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ReferenceDescription, displayName) - offsetof(UA_ReferenceDescription, browseName) - sizeof(UA_QualifiedName), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodeClass") /* .memberName */
    &UA_TYPES[UA_TYPES_NODECLASS], /* .memberType */
    offsetof(UA_ReferenceDescription, nodeClass) - offsetof(UA_ReferenceDescription, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TypeDefinition") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    offsetof(UA_ReferenceDescription, typeDefinition) - offsetof(UA_ReferenceDescription, nodeClass) - sizeof(UA_NodeClass), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseResult */
static UA_DataTypeMember BrowseResult_members[3] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ContinuationPoint") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_BrowseResult, continuationPoint) - offsetof(UA_BrowseResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("References") /* .memberName */
    &UA_TYPES[UA_TYPES_REFERENCEDESCRIPTION], /* .memberType */
    offsetof(UA_BrowseResult, referencesSize) - offsetof(UA_BrowseResult, continuationPoint) - sizeof(UA_ByteString), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseRequest */
static UA_DataTypeMember BrowseRequest_members[4] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("View") /* .memberName */
    &UA_TYPES[UA_TYPES_VIEWDESCRIPTION], /* .memberType */
    offsetof(UA_BrowseRequest, view) - offsetof(UA_BrowseRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedMaxReferencesPerNode") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_BrowseRequest, requestedMaxReferencesPerNode) - offsetof(UA_BrowseRequest, view) - sizeof(UA_ViewDescription), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToBrowse") /* .memberName */
    &UA_TYPES[UA_TYPES_BROWSEDESCRIPTION], /* .memberType */
    offsetof(UA_BrowseRequest, nodesToBrowseSize) - offsetof(UA_BrowseRequest, requestedMaxReferencesPerNode) - sizeof(UA_UInt32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseResponse */
static UA_DataTypeMember BrowseResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_BROWSERESULT], /* .memberType */
    offsetof(UA_BrowseResponse, resultsSize) - offsetof(UA_BrowseResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_BrowseResponse, diagnosticInfosSize) - offsetof(UA_BrowseResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseNextRequest */
static UA_DataTypeMember BrowseNextRequest_members[3] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReleaseContinuationPoints") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_BrowseNextRequest, releaseContinuationPoints) - offsetof(UA_BrowseNextRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ContinuationPoints") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_BrowseNextRequest, continuationPointsSize) - offsetof(UA_BrowseNextRequest, releaseContinuationPoints) - sizeof(UA_Boolean), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* BrowseNextResponse */
static UA_DataTypeMember BrowseNextResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_BROWSERESULT], /* .memberType */
    offsetof(UA_BrowseNextResponse, resultsSize) - offsetof(UA_BrowseNextResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_BrowseNextResponse, diagnosticInfosSize) - offsetof(UA_BrowseNextResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* RelativePathElement */
static UA_DataTypeMember RelativePathElement_members[4] = {
{
    UA_TYPENAME("ReferenceTypeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsInverse") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_RelativePathElement, isInverse) - offsetof(UA_RelativePathElement, referenceTypeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IncludeSubtypes") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_RelativePathElement, includeSubtypes) - offsetof(UA_RelativePathElement, isInverse) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TargetName") /* .memberName */
    &UA_TYPES[UA_TYPES_QUALIFIEDNAME], /* .memberType */
    offsetof(UA_RelativePathElement, targetName) - offsetof(UA_RelativePathElement, includeSubtypes) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* RelativePath */
static UA_DataTypeMember RelativePath_members[1] = {
{
    UA_TYPENAME("Elements") /* .memberName */
    &UA_TYPES[UA_TYPES_RELATIVEPATHELEMENT], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* BrowsePath */
static UA_DataTypeMember BrowsePath_members[2] = {
{
    UA_TYPENAME("StartingNode") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RelativePath") /* .memberName */
    &UA_TYPES[UA_TYPES_RELATIVEPATH], /* .memberType */
    offsetof(UA_BrowsePath, relativePath) - offsetof(UA_BrowsePath, startingNode) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* BrowsePathTarget */
static UA_DataTypeMember BrowsePathTarget_members[2] = {
{
    UA_TYPENAME("TargetId") /* .memberName */
    &UA_TYPES[UA_TYPES_EXPANDEDNODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RemainingPathIndex") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_BrowsePathTarget, remainingPathIndex) - offsetof(UA_BrowsePathTarget, targetId) - sizeof(UA_ExpandedNodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* BrowsePathResult */
static UA_DataTypeMember BrowsePathResult_members[2] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Targets") /* .memberName */
    &UA_TYPES[UA_TYPES_BROWSEPATHTARGET], /* .memberType */
    offsetof(UA_BrowsePathResult, targetsSize) - offsetof(UA_BrowsePathResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* TranslateBrowsePathsToNodeIdsRequest */
static UA_DataTypeMember TranslateBrowsePathsToNodeIdsRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BrowsePaths") /* .memberName */
    &UA_TYPES[UA_TYPES_BROWSEPATH], /* .memberType */
    offsetof(UA_TranslateBrowsePathsToNodeIdsRequest, browsePathsSize) - offsetof(UA_TranslateBrowsePathsToNodeIdsRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* TranslateBrowsePathsToNodeIdsResponse */
static UA_DataTypeMember TranslateBrowsePathsToNodeIdsResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_BROWSEPATHRESULT], /* .memberType */
    offsetof(UA_TranslateBrowsePathsToNodeIdsResponse, resultsSize) - offsetof(UA_TranslateBrowsePathsToNodeIdsResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_TranslateBrowsePathsToNodeIdsResponse, diagnosticInfosSize) - offsetof(UA_TranslateBrowsePathsToNodeIdsResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* RegisterNodesRequest */
static UA_DataTypeMember RegisterNodesRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToRegister") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_RegisterNodesRequest, nodesToRegisterSize) - offsetof(UA_RegisterNodesRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* RegisterNodesResponse */
static UA_DataTypeMember RegisterNodesResponse_members[2] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RegisteredNodeIds") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_RegisterNodesResponse, registeredNodeIdsSize) - offsetof(UA_RegisterNodesResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* UnregisterNodesRequest */
static UA_DataTypeMember UnregisterNodesRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToUnregister") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_UnregisterNodesRequest, nodesToUnregisterSize) - offsetof(UA_UnregisterNodesRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* UnregisterNodesResponse */
static UA_DataTypeMember UnregisterNodesResponse_members[1] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* FilterOperator */
#define FilterOperator_members NULL

/* ContentFilterElement */
static UA_DataTypeMember ContentFilterElement_members[2] = {
{
    UA_TYPENAME("FilterOperator") /* .memberName */
    &UA_TYPES[UA_TYPES_FILTEROPERATOR], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("FilterOperands") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_ContentFilterElement, filterOperandsSize) - offsetof(UA_ContentFilterElement, filterOperator) - sizeof(UA_FilterOperator), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* ContentFilter */
static UA_DataTypeMember ContentFilter_members[1] = {
{
    UA_TYPENAME("Elements") /* .memberName */
    &UA_TYPES[UA_TYPES_CONTENTFILTERELEMENT], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* ElementOperand */
static UA_DataTypeMember ElementOperand_members[1] = {
{
    UA_TYPENAME("Index") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* LiteralOperand */
static UA_DataTypeMember LiteralOperand_members[1] = {
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AttributeOperand */
static UA_DataTypeMember AttributeOperand_members[5] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Alias") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_AttributeOperand, alias) - offsetof(UA_AttributeOperand, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BrowsePath") /* .memberName */
    &UA_TYPES[UA_TYPES_RELATIVEPATH], /* .memberType */
    offsetof(UA_AttributeOperand, browsePath) - offsetof(UA_AttributeOperand, alias) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AttributeId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_AttributeOperand, attributeId) - offsetof(UA_AttributeOperand, browsePath) - sizeof(UA_RelativePath), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IndexRange") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_AttributeOperand, indexRange) - offsetof(UA_AttributeOperand, attributeId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* SimpleAttributeOperand */
static UA_DataTypeMember SimpleAttributeOperand_members[4] = {
{
    UA_TYPENAME("TypeDefinitionId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BrowsePath") /* .memberName */
    &UA_TYPES[UA_TYPES_QUALIFIEDNAME], /* .memberType */
    offsetof(UA_SimpleAttributeOperand, browsePathSize) - offsetof(UA_SimpleAttributeOperand, typeDefinitionId) - sizeof(UA_NodeId), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AttributeId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SimpleAttributeOperand, attributeId) - offsetof(UA_SimpleAttributeOperand, browsePath) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IndexRange") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_SimpleAttributeOperand, indexRange) - offsetof(UA_SimpleAttributeOperand, attributeId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ContentFilterElementResult */
static UA_DataTypeMember ContentFilterElementResult_members[3] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("OperandStatusCodes") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_ContentFilterElementResult, operandStatusCodesSize) - offsetof(UA_ContentFilterElementResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("OperandDiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_ContentFilterElementResult, operandDiagnosticInfosSize) - offsetof(UA_ContentFilterElementResult, operandStatusCodes) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* ContentFilterResult */
static UA_DataTypeMember ContentFilterResult_members[2] = {
{
    UA_TYPENAME("ElementResults") /* .memberName */
    &UA_TYPES[UA_TYPES_CONTENTFILTERELEMENTRESULT], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ElementDiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_ContentFilterResult, elementDiagnosticInfosSize) - offsetof(UA_ContentFilterResult, elementResults) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* TimestampsToReturn */
#define TimestampsToReturn_members NULL

/* ReadValueId */
static UA_DataTypeMember ReadValueId_members[4] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AttributeId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ReadValueId, attributeId) - offsetof(UA_ReadValueId, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IndexRange") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ReadValueId, indexRange) - offsetof(UA_ReadValueId, attributeId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DataEncoding") /* .memberName */
    &UA_TYPES[UA_TYPES_QUALIFIEDNAME], /* .memberType */
    offsetof(UA_ReadValueId, dataEncoding) - offsetof(UA_ReadValueId, indexRange) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ReadRequest */
static UA_DataTypeMember ReadRequest_members[4] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxAge") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_ReadRequest, maxAge) - offsetof(UA_ReadRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TimestampsToReturn") /* .memberName */
    &UA_TYPES[UA_TYPES_TIMESTAMPSTORETURN], /* .memberType */
    offsetof(UA_ReadRequest, timestampsToReturn) - offsetof(UA_ReadRequest, maxAge) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToRead") /* .memberName */
    &UA_TYPES[UA_TYPES_READVALUEID], /* .memberType */
    offsetof(UA_ReadRequest, nodesToReadSize) - offsetof(UA_ReadRequest, timestampsToReturn) - sizeof(UA_TimestampsToReturn), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* ReadResponse */
static UA_DataTypeMember ReadResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_DATAVALUE], /* .memberType */
    offsetof(UA_ReadResponse, resultsSize) - offsetof(UA_ReadResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_ReadResponse, diagnosticInfosSize) - offsetof(UA_ReadResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryReadValueId */
static UA_DataTypeMember HistoryReadValueId_members[4] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IndexRange") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_HistoryReadValueId, indexRange) - offsetof(UA_HistoryReadValueId, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DataEncoding") /* .memberName */
    &UA_TYPES[UA_TYPES_QUALIFIEDNAME], /* .memberType */
    offsetof(UA_HistoryReadValueId, dataEncoding) - offsetof(UA_HistoryReadValueId, indexRange) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ContinuationPoint") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_HistoryReadValueId, continuationPoint) - offsetof(UA_HistoryReadValueId, dataEncoding) - sizeof(UA_QualifiedName), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryReadResult */
static UA_DataTypeMember HistoryReadResult_members[3] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ContinuationPoint") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_HistoryReadResult, continuationPoint) - offsetof(UA_HistoryReadResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("HistoryData") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_HistoryReadResult, historyData) - offsetof(UA_HistoryReadResult, continuationPoint) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ReadRawModifiedDetails */
static UA_DataTypeMember ReadRawModifiedDetails_members[5] = {
{
    UA_TYPENAME("IsReadModified") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("StartTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ReadRawModifiedDetails, startTime) - offsetof(UA_ReadRawModifiedDetails, isReadModified) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ReadRawModifiedDetails, endTime) - offsetof(UA_ReadRawModifiedDetails, startTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NumValuesPerNode") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ReadRawModifiedDetails, numValuesPerNode) - offsetof(UA_ReadRawModifiedDetails, endTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReturnBounds") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_ReadRawModifiedDetails, returnBounds) - offsetof(UA_ReadRawModifiedDetails, numValuesPerNode) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ReadAtTimeDetails */
static UA_DataTypeMember ReadAtTimeDetails_members[2] = {
{
    UA_TYPENAME("ReqTimes") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UseSimpleBounds") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_ReadAtTimeDetails, useSimpleBounds) - offsetof(UA_ReadAtTimeDetails, reqTimes) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryData */
static UA_DataTypeMember HistoryData_members[1] = {
{
    UA_TYPENAME("DataValues") /* .memberName */
    &UA_TYPES[UA_TYPES_DATAVALUE], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryReadRequest */
static UA_DataTypeMember HistoryReadRequest_members[5] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("HistoryReadDetails") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_HistoryReadRequest, historyReadDetails) - offsetof(UA_HistoryReadRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TimestampsToReturn") /* .memberName */
    &UA_TYPES[UA_TYPES_TIMESTAMPSTORETURN], /* .memberType */
    offsetof(UA_HistoryReadRequest, timestampsToReturn) - offsetof(UA_HistoryReadRequest, historyReadDetails) - sizeof(UA_ExtensionObject), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReleaseContinuationPoints") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_HistoryReadRequest, releaseContinuationPoints) - offsetof(UA_HistoryReadRequest, timestampsToReturn) - sizeof(UA_TimestampsToReturn), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToRead") /* .memberName */
    &UA_TYPES[UA_TYPES_HISTORYREADVALUEID], /* .memberType */
    offsetof(UA_HistoryReadRequest, nodesToReadSize) - offsetof(UA_HistoryReadRequest, releaseContinuationPoints) - sizeof(UA_Boolean), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryReadResponse */
static UA_DataTypeMember HistoryReadResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_HISTORYREADRESULT], /* .memberType */
    offsetof(UA_HistoryReadResponse, resultsSize) - offsetof(UA_HistoryReadResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_HistoryReadResponse, diagnosticInfosSize) - offsetof(UA_HistoryReadResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* WriteValue */
static UA_DataTypeMember WriteValue_members[4] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AttributeId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_WriteValue, attributeId) - offsetof(UA_WriteValue, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IndexRange") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_WriteValue, indexRange) - offsetof(UA_WriteValue, attributeId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_DATAVALUE], /* .memberType */
    offsetof(UA_WriteValue, value) - offsetof(UA_WriteValue, indexRange) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* WriteRequest */
static UA_DataTypeMember WriteRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NodesToWrite") /* .memberName */
    &UA_TYPES[UA_TYPES_WRITEVALUE], /* .memberType */
    offsetof(UA_WriteRequest, nodesToWriteSize) - offsetof(UA_WriteRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* WriteResponse */
static UA_DataTypeMember WriteResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_WriteResponse, resultsSize) - offsetof(UA_WriteResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_WriteResponse, diagnosticInfosSize) - offsetof(UA_WriteResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryUpdateType */
#define HistoryUpdateType_members NULL

/* PerformUpdateType */
#define PerformUpdateType_members NULL

/* UpdateDataDetails */
static UA_DataTypeMember UpdateDataDetails_members[3] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("PerformInsertReplace") /* .memberName */
    &UA_TYPES[UA_TYPES_PERFORMUPDATETYPE], /* .memberType */
    offsetof(UA_UpdateDataDetails, performInsertReplace) - offsetof(UA_UpdateDataDetails, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UpdateValues") /* .memberName */
    &UA_TYPES[UA_TYPES_DATAVALUE], /* .memberType */
    offsetof(UA_UpdateDataDetails, updateValuesSize) - offsetof(UA_UpdateDataDetails, performInsertReplace) - sizeof(UA_PerformUpdateType), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteRawModifiedDetails */
static UA_DataTypeMember DeleteRawModifiedDetails_members[4] = {
{
    UA_TYPENAME("NodeId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("IsDeleteModified") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_DeleteRawModifiedDetails, isDeleteModified) - offsetof(UA_DeleteRawModifiedDetails, nodeId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("StartTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_DeleteRawModifiedDetails, startTime) - offsetof(UA_DeleteRawModifiedDetails, isDeleteModified) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_DeleteRawModifiedDetails, endTime) - offsetof(UA_DeleteRawModifiedDetails, startTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryUpdateResult */
static UA_DataTypeMember HistoryUpdateResult_members[3] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("OperationResults") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_HistoryUpdateResult, operationResultsSize) - offsetof(UA_HistoryUpdateResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_HistoryUpdateResult, diagnosticInfosSize) - offsetof(UA_HistoryUpdateResult, operationResults) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryUpdateRequest */
static UA_DataTypeMember HistoryUpdateRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("HistoryUpdateDetails") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_HistoryUpdateRequest, historyUpdateDetailsSize) - offsetof(UA_HistoryUpdateRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryUpdateResponse */
static UA_DataTypeMember HistoryUpdateResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_HISTORYUPDATERESULT], /* .memberType */
    offsetof(UA_HistoryUpdateResponse, resultsSize) - offsetof(UA_HistoryUpdateResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_HistoryUpdateResponse, diagnosticInfosSize) - offsetof(UA_HistoryUpdateResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* CallMethodRequest */
static UA_DataTypeMember CallMethodRequest_members[3] = {
{
    UA_TYPENAME("ObjectId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MethodId") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_CallMethodRequest, methodId) - offsetof(UA_CallMethodRequest, objectId) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("InputArguments") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    offsetof(UA_CallMethodRequest, inputArgumentsSize) - offsetof(UA_CallMethodRequest, methodId) - sizeof(UA_NodeId), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* CallMethodResult */
static UA_DataTypeMember CallMethodResult_members[4] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("InputArgumentResults") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_CallMethodResult, inputArgumentResultsSize) - offsetof(UA_CallMethodResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("InputArgumentDiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_CallMethodResult, inputArgumentDiagnosticInfosSize) - offsetof(UA_CallMethodResult, inputArgumentResults) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("OutputArguments") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    offsetof(UA_CallMethodResult, outputArgumentsSize) - offsetof(UA_CallMethodResult, inputArgumentDiagnosticInfos) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* CallRequest */
static UA_DataTypeMember CallRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MethodsToCall") /* .memberName */
    &UA_TYPES[UA_TYPES_CALLMETHODREQUEST], /* .memberType */
    offsetof(UA_CallRequest, methodsToCallSize) - offsetof(UA_CallRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* CallResponse */
static UA_DataTypeMember CallResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_CALLMETHODRESULT], /* .memberType */
    offsetof(UA_CallResponse, resultsSize) - offsetof(UA_CallResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_CallResponse, diagnosticInfosSize) - offsetof(UA_CallResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* MonitoringMode */
#define MonitoringMode_members NULL

/* DataChangeTrigger */
#define DataChangeTrigger_members NULL

/* DeadbandType */
#define DeadbandType_members NULL

/* DataChangeFilter */
static UA_DataTypeMember DataChangeFilter_members[3] = {
{
    UA_TYPENAME("Trigger") /* .memberName */
    &UA_TYPES[UA_TYPES_DATACHANGETRIGGER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DeadbandType") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_DataChangeFilter, deadbandType) - offsetof(UA_DataChangeFilter, trigger) - sizeof(UA_DataChangeTrigger), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DeadbandValue") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_DataChangeFilter, deadbandValue) - offsetof(UA_DataChangeFilter, deadbandType) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EventFilter */
static UA_DataTypeMember EventFilter_members[2] = {
{
    UA_TYPENAME("SelectClauses") /* .memberName */
    &UA_TYPES[UA_TYPES_SIMPLEATTRIBUTEOPERAND], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WhereClause") /* .memberName */
    &UA_TYPES[UA_TYPES_CONTENTFILTER], /* .memberType */
    offsetof(UA_EventFilter, whereClause) - offsetof(UA_EventFilter, selectClauses) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AggregateConfiguration */
static UA_DataTypeMember AggregateConfiguration_members[5] = {
{
    UA_TYPENAME("UseServerCapabilitiesDefaults") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TreatUncertainAsBad") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_AggregateConfiguration, treatUncertainAsBad) - offsetof(UA_AggregateConfiguration, useServerCapabilitiesDefaults) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("PercentDataBad") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_AggregateConfiguration, percentDataBad) - offsetof(UA_AggregateConfiguration, treatUncertainAsBad) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("PercentDataGood") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_AggregateConfiguration, percentDataGood) - offsetof(UA_AggregateConfiguration, percentDataBad) - sizeof(UA_Byte), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UseSlopedExtrapolation") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_AggregateConfiguration, useSlopedExtrapolation) - offsetof(UA_AggregateConfiguration, percentDataGood) - sizeof(UA_Byte), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AggregateFilter */
static UA_DataTypeMember AggregateFilter_members[4] = {
{
    UA_TYPENAME("StartTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AggregateType") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_AggregateFilter, aggregateType) - offsetof(UA_AggregateFilter, startTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ProcessingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_AggregateFilter, processingInterval) - offsetof(UA_AggregateFilter, aggregateType) - sizeof(UA_NodeId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AggregateConfiguration") /* .memberName */
    &UA_TYPES[UA_TYPES_AGGREGATECONFIGURATION], /* .memberType */
    offsetof(UA_AggregateFilter, aggregateConfiguration) - offsetof(UA_AggregateFilter, processingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EventFilterResult */
static UA_DataTypeMember EventFilterResult_members[3] = {
{
    UA_TYPENAME("SelectClauseResults") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SelectClauseDiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_EventFilterResult, selectClauseDiagnosticInfosSize) - offsetof(UA_EventFilterResult, selectClauseResults) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("WhereClauseResult") /* .memberName */
    &UA_TYPES[UA_TYPES_CONTENTFILTERRESULT], /* .memberType */
    offsetof(UA_EventFilterResult, whereClauseResult) - offsetof(UA_EventFilterResult, selectClauseDiagnosticInfos) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* MonitoringParameters */
static UA_DataTypeMember MonitoringParameters_members[5] = {
{
    UA_TYPENAME("ClientHandle") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SamplingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_MonitoringParameters, samplingInterval) - offsetof(UA_MonitoringParameters, clientHandle) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Filter") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_MonitoringParameters, filter) - offsetof(UA_MonitoringParameters, samplingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("QueueSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_MonitoringParameters, queueSize) - offsetof(UA_MonitoringParameters, filter) - sizeof(UA_ExtensionObject), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiscardOldest") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_MonitoringParameters, discardOldest) - offsetof(UA_MonitoringParameters, queueSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* MonitoredItemCreateRequest */
static UA_DataTypeMember MonitoredItemCreateRequest_members[3] = {
{
    UA_TYPENAME("ItemToMonitor") /* .memberName */
    &UA_TYPES[UA_TYPES_READVALUEID], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MonitoringMode") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITORINGMODE], /* .memberType */
    offsetof(UA_MonitoredItemCreateRequest, monitoringMode) - offsetof(UA_MonitoredItemCreateRequest, itemToMonitor) - sizeof(UA_ReadValueId), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedParameters") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITORINGPARAMETERS], /* .memberType */
    offsetof(UA_MonitoredItemCreateRequest, requestedParameters) - offsetof(UA_MonitoredItemCreateRequest, monitoringMode) - sizeof(UA_MonitoringMode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* MonitoredItemCreateResult */
static UA_DataTypeMember MonitoredItemCreateResult_members[5] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MonitoredItemId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_MonitoredItemCreateResult, monitoredItemId) - offsetof(UA_MonitoredItemCreateResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedSamplingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_MonitoredItemCreateResult, revisedSamplingInterval) - offsetof(UA_MonitoredItemCreateResult, monitoredItemId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedQueueSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_MonitoredItemCreateResult, revisedQueueSize) - offsetof(UA_MonitoredItemCreateResult, revisedSamplingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("FilterResult") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_MonitoredItemCreateResult, filterResult) - offsetof(UA_MonitoredItemCreateResult, revisedQueueSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* CreateMonitoredItemsRequest */
static UA_DataTypeMember CreateMonitoredItemsRequest_members[4] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateMonitoredItemsRequest, subscriptionId) - offsetof(UA_CreateMonitoredItemsRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TimestampsToReturn") /* .memberName */
    &UA_TYPES[UA_TYPES_TIMESTAMPSTORETURN], /* .memberType */
    offsetof(UA_CreateMonitoredItemsRequest, timestampsToReturn) - offsetof(UA_CreateMonitoredItemsRequest, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ItemsToCreate") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITOREDITEMCREATEREQUEST], /* .memberType */
    offsetof(UA_CreateMonitoredItemsRequest, itemsToCreateSize) - offsetof(UA_CreateMonitoredItemsRequest, timestampsToReturn) - sizeof(UA_TimestampsToReturn), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* CreateMonitoredItemsResponse */
static UA_DataTypeMember CreateMonitoredItemsResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITOREDITEMCREATERESULT], /* .memberType */
    offsetof(UA_CreateMonitoredItemsResponse, resultsSize) - offsetof(UA_CreateMonitoredItemsResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_CreateMonitoredItemsResponse, diagnosticInfosSize) - offsetof(UA_CreateMonitoredItemsResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* MonitoredItemModifyRequest */
static UA_DataTypeMember MonitoredItemModifyRequest_members[2] = {
{
    UA_TYPENAME("MonitoredItemId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedParameters") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITORINGPARAMETERS], /* .memberType */
    offsetof(UA_MonitoredItemModifyRequest, requestedParameters) - offsetof(UA_MonitoredItemModifyRequest, monitoredItemId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* MonitoredItemModifyResult */
static UA_DataTypeMember MonitoredItemModifyResult_members[4] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedSamplingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_MonitoredItemModifyResult, revisedSamplingInterval) - offsetof(UA_MonitoredItemModifyResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedQueueSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_MonitoredItemModifyResult, revisedQueueSize) - offsetof(UA_MonitoredItemModifyResult, revisedSamplingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("FilterResult") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_MonitoredItemModifyResult, filterResult) - offsetof(UA_MonitoredItemModifyResult, revisedQueueSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ModifyMonitoredItemsRequest */
static UA_DataTypeMember ModifyMonitoredItemsRequest_members[4] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ModifyMonitoredItemsRequest, subscriptionId) - offsetof(UA_ModifyMonitoredItemsRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TimestampsToReturn") /* .memberName */
    &UA_TYPES[UA_TYPES_TIMESTAMPSTORETURN], /* .memberType */
    offsetof(UA_ModifyMonitoredItemsRequest, timestampsToReturn) - offsetof(UA_ModifyMonitoredItemsRequest, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ItemsToModify") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITOREDITEMMODIFYREQUEST], /* .memberType */
    offsetof(UA_ModifyMonitoredItemsRequest, itemsToModifySize) - offsetof(UA_ModifyMonitoredItemsRequest, timestampsToReturn) - sizeof(UA_TimestampsToReturn), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* ModifyMonitoredItemsResponse */
static UA_DataTypeMember ModifyMonitoredItemsResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITOREDITEMMODIFYRESULT], /* .memberType */
    offsetof(UA_ModifyMonitoredItemsResponse, resultsSize) - offsetof(UA_ModifyMonitoredItemsResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_ModifyMonitoredItemsResponse, diagnosticInfosSize) - offsetof(UA_ModifyMonitoredItemsResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* SetMonitoringModeRequest */
static UA_DataTypeMember SetMonitoringModeRequest_members[4] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SetMonitoringModeRequest, subscriptionId) - offsetof(UA_SetMonitoringModeRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MonitoringMode") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITORINGMODE], /* .memberType */
    offsetof(UA_SetMonitoringModeRequest, monitoringMode) - offsetof(UA_SetMonitoringModeRequest, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MonitoredItemIds") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SetMonitoringModeRequest, monitoredItemIdsSize) - offsetof(UA_SetMonitoringModeRequest, monitoringMode) - sizeof(UA_MonitoringMode), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* SetMonitoringModeResponse */
static UA_DataTypeMember SetMonitoringModeResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_SetMonitoringModeResponse, resultsSize) - offsetof(UA_SetMonitoringModeResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_SetMonitoringModeResponse, diagnosticInfosSize) - offsetof(UA_SetMonitoringModeResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* SetTriggeringRequest */
static UA_DataTypeMember SetTriggeringRequest_members[5] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SetTriggeringRequest, subscriptionId) - offsetof(UA_SetTriggeringRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("TriggeringItemId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SetTriggeringRequest, triggeringItemId) - offsetof(UA_SetTriggeringRequest, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("LinksToAdd") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SetTriggeringRequest, linksToAddSize) - offsetof(UA_SetTriggeringRequest, triggeringItemId) - sizeof(UA_UInt32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("LinksToRemove") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SetTriggeringRequest, linksToRemoveSize) - offsetof(UA_SetTriggeringRequest, linksToAdd) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* SetTriggeringResponse */
static UA_DataTypeMember SetTriggeringResponse_members[5] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AddResults") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_SetTriggeringResponse, addResultsSize) - offsetof(UA_SetTriggeringResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AddDiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_SetTriggeringResponse, addDiagnosticInfosSize) - offsetof(UA_SetTriggeringResponse, addResults) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RemoveResults") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_SetTriggeringResponse, removeResultsSize) - offsetof(UA_SetTriggeringResponse, addDiagnosticInfos) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RemoveDiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_SetTriggeringResponse, removeDiagnosticInfosSize) - offsetof(UA_SetTriggeringResponse, removeResults) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteMonitoredItemsRequest */
static UA_DataTypeMember DeleteMonitoredItemsRequest_members[3] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_DeleteMonitoredItemsRequest, subscriptionId) - offsetof(UA_DeleteMonitoredItemsRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MonitoredItemIds") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_DeleteMonitoredItemsRequest, monitoredItemIdsSize) - offsetof(UA_DeleteMonitoredItemsRequest, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteMonitoredItemsResponse */
static UA_DataTypeMember DeleteMonitoredItemsResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_DeleteMonitoredItemsResponse, resultsSize) - offsetof(UA_DeleteMonitoredItemsResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_DeleteMonitoredItemsResponse, diagnosticInfosSize) - offsetof(UA_DeleteMonitoredItemsResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* CreateSubscriptionRequest */
static UA_DataTypeMember CreateSubscriptionRequest_members[7] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedPublishingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_CreateSubscriptionRequest, requestedPublishingInterval) - offsetof(UA_CreateSubscriptionRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedLifetimeCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSubscriptionRequest, requestedLifetimeCount) - offsetof(UA_CreateSubscriptionRequest, requestedPublishingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedMaxKeepAliveCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSubscriptionRequest, requestedMaxKeepAliveCount) - offsetof(UA_CreateSubscriptionRequest, requestedLifetimeCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxNotificationsPerPublish") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSubscriptionRequest, maxNotificationsPerPublish) - offsetof(UA_CreateSubscriptionRequest, requestedMaxKeepAliveCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("PublishingEnabled") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_CreateSubscriptionRequest, publishingEnabled) - offsetof(UA_CreateSubscriptionRequest, maxNotificationsPerPublish) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Priority") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_CreateSubscriptionRequest, priority) - offsetof(UA_CreateSubscriptionRequest, publishingEnabled) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* CreateSubscriptionResponse */
static UA_DataTypeMember CreateSubscriptionResponse_members[5] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSubscriptionResponse, subscriptionId) - offsetof(UA_CreateSubscriptionResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedPublishingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_CreateSubscriptionResponse, revisedPublishingInterval) - offsetof(UA_CreateSubscriptionResponse, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedLifetimeCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSubscriptionResponse, revisedLifetimeCount) - offsetof(UA_CreateSubscriptionResponse, revisedPublishingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedMaxKeepAliveCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_CreateSubscriptionResponse, revisedMaxKeepAliveCount) - offsetof(UA_CreateSubscriptionResponse, revisedLifetimeCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ModifySubscriptionRequest */
static UA_DataTypeMember ModifySubscriptionRequest_members[7] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ModifySubscriptionRequest, subscriptionId) - offsetof(UA_ModifySubscriptionRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedPublishingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_ModifySubscriptionRequest, requestedPublishingInterval) - offsetof(UA_ModifySubscriptionRequest, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedLifetimeCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ModifySubscriptionRequest, requestedLifetimeCount) - offsetof(UA_ModifySubscriptionRequest, requestedPublishingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestedMaxKeepAliveCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ModifySubscriptionRequest, requestedMaxKeepAliveCount) - offsetof(UA_ModifySubscriptionRequest, requestedLifetimeCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxNotificationsPerPublish") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ModifySubscriptionRequest, maxNotificationsPerPublish) - offsetof(UA_ModifySubscriptionRequest, requestedMaxKeepAliveCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Priority") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTE], /* .memberType */
    offsetof(UA_ModifySubscriptionRequest, priority) - offsetof(UA_ModifySubscriptionRequest, maxNotificationsPerPublish) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ModifySubscriptionResponse */
static UA_DataTypeMember ModifySubscriptionResponse_members[4] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedPublishingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_ModifySubscriptionResponse, revisedPublishingInterval) - offsetof(UA_ModifySubscriptionResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedLifetimeCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ModifySubscriptionResponse, revisedLifetimeCount) - offsetof(UA_ModifySubscriptionResponse, revisedPublishingInterval) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RevisedMaxKeepAliveCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ModifySubscriptionResponse, revisedMaxKeepAliveCount) - offsetof(UA_ModifySubscriptionResponse, revisedLifetimeCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* SetPublishingModeRequest */
static UA_DataTypeMember SetPublishingModeRequest_members[3] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("PublishingEnabled") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_SetPublishingModeRequest, publishingEnabled) - offsetof(UA_SetPublishingModeRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionIds") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SetPublishingModeRequest, subscriptionIdsSize) - offsetof(UA_SetPublishingModeRequest, publishingEnabled) - sizeof(UA_Boolean), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* SetPublishingModeResponse */
static UA_DataTypeMember SetPublishingModeResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_SetPublishingModeResponse, resultsSize) - offsetof(UA_SetPublishingModeResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_SetPublishingModeResponse, diagnosticInfosSize) - offsetof(UA_SetPublishingModeResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* NotificationMessage */
static UA_DataTypeMember NotificationMessage_members[3] = {
{
    UA_TYPENAME("SequenceNumber") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("PublishTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_NotificationMessage, publishTime) - offsetof(UA_NotificationMessage, sequenceNumber) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NotificationData") /* .memberName */
    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT], /* .memberType */
    offsetof(UA_NotificationMessage, notificationDataSize) - offsetof(UA_NotificationMessage, publishTime) - sizeof(UA_DateTime), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* MonitoredItemNotification */
static UA_DataTypeMember MonitoredItemNotification_members[2] = {
{
    UA_TYPENAME("ClientHandle") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_DATAVALUE], /* .memberType */
    offsetof(UA_MonitoredItemNotification, value) - offsetof(UA_MonitoredItemNotification, clientHandle) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EventFieldList */
static UA_DataTypeMember EventFieldList_members[2] = {
{
    UA_TYPENAME("ClientHandle") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EventFields") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    offsetof(UA_EventFieldList, eventFieldsSize) - offsetof(UA_EventFieldList, clientHandle) - sizeof(UA_UInt32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryEventFieldList */
static UA_DataTypeMember HistoryEventFieldList_members[1] = {
{
    UA_TYPENAME("EventFields") /* .memberName */
    &UA_TYPES[UA_TYPES_VARIANT], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* StatusChangeNotification */
static UA_DataTypeMember StatusChangeNotification_members[2] = {
{
    UA_TYPENAME("Status") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfo") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_StatusChangeNotification, diagnosticInfo) - offsetof(UA_StatusChangeNotification, status) - sizeof(UA_StatusCode), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* SubscriptionAcknowledgement */
static UA_DataTypeMember SubscriptionAcknowledgement_members[2] = {
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SequenceNumber") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SubscriptionAcknowledgement, sequenceNumber) - offsetof(UA_SubscriptionAcknowledgement, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* PublishRequest */
static UA_DataTypeMember PublishRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionAcknowledgements") /* .memberName */
    &UA_TYPES[UA_TYPES_SUBSCRIPTIONACKNOWLEDGEMENT], /* .memberType */
    offsetof(UA_PublishRequest, subscriptionAcknowledgementsSize) - offsetof(UA_PublishRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* PublishResponse */
static UA_DataTypeMember PublishResponse_members[7] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_PublishResponse, subscriptionId) - offsetof(UA_PublishResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AvailableSequenceNumbers") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_PublishResponse, availableSequenceNumbersSize) - offsetof(UA_PublishResponse, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MoreNotifications") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_PublishResponse, moreNotifications) - offsetof(UA_PublishResponse, availableSequenceNumbers) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NotificationMessage") /* .memberName */
    &UA_TYPES[UA_TYPES_NOTIFICATIONMESSAGE], /* .memberType */
    offsetof(UA_PublishResponse, notificationMessage) - offsetof(UA_PublishResponse, moreNotifications) - sizeof(UA_Boolean), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_PublishResponse, resultsSize) - offsetof(UA_PublishResponse, notificationMessage) - sizeof(UA_NotificationMessage), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_PublishResponse, diagnosticInfosSize) - offsetof(UA_PublishResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* RepublishRequest */
static UA_DataTypeMember RepublishRequest_members[3] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_RepublishRequest, subscriptionId) - offsetof(UA_RepublishRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RetransmitSequenceNumber") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_RepublishRequest, retransmitSequenceNumber) - offsetof(UA_RepublishRequest, subscriptionId) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* RepublishResponse */
static UA_DataTypeMember RepublishResponse_members[2] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("NotificationMessage") /* .memberName */
    &UA_TYPES[UA_TYPES_NOTIFICATIONMESSAGE], /* .memberType */
    offsetof(UA_RepublishResponse, notificationMessage) - offsetof(UA_RepublishResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* TransferResult */
static UA_DataTypeMember TransferResult_members[2] = {
{
    UA_TYPENAME("StatusCode") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AvailableSequenceNumbers") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TransferResult, availableSequenceNumbersSize) - offsetof(UA_TransferResult, statusCode) - sizeof(UA_StatusCode), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* TransferSubscriptionsRequest */
static UA_DataTypeMember TransferSubscriptionsRequest_members[3] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionIds") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TransferSubscriptionsRequest, subscriptionIdsSize) - offsetof(UA_TransferSubscriptionsRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SendInitialValues") /* .memberName */
    &UA_TYPES[UA_TYPES_BOOLEAN], /* .memberType */
    offsetof(UA_TransferSubscriptionsRequest, sendInitialValues) - offsetof(UA_TransferSubscriptionsRequest, subscriptionIds) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* TransferSubscriptionsResponse */
static UA_DataTypeMember TransferSubscriptionsResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_TRANSFERRESULT], /* .memberType */
    offsetof(UA_TransferSubscriptionsResponse, resultsSize) - offsetof(UA_TransferSubscriptionsResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_TransferSubscriptionsResponse, diagnosticInfosSize) - offsetof(UA_TransferSubscriptionsResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteSubscriptionsRequest */
static UA_DataTypeMember DeleteSubscriptionsRequest_members[2] = {
{
    UA_TYPENAME("RequestHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_REQUESTHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SubscriptionIds") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_DeleteSubscriptionsRequest, subscriptionIdsSize) - offsetof(UA_DeleteSubscriptionsRequest, requestHeader) - sizeof(UA_RequestHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DeleteSubscriptionsResponse */
static UA_DataTypeMember DeleteSubscriptionsResponse_members[3] = {
{
    UA_TYPENAME("ResponseHeader") /* .memberName */
    &UA_TYPES[UA_TYPES_RESPONSEHEADER], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Results") /* .memberName */
    &UA_TYPES[UA_TYPES_STATUSCODE], /* .memberType */
    offsetof(UA_DeleteSubscriptionsResponse, resultsSize) - offsetof(UA_DeleteSubscriptionsResponse, responseHeader) - sizeof(UA_ResponseHeader), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_DeleteSubscriptionsResponse, diagnosticInfosSize) - offsetof(UA_DeleteSubscriptionsResponse, results) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* BuildInfo */
static UA_DataTypeMember BuildInfo_members[6] = {
{
    UA_TYPENAME("ProductUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ManufacturerName") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_BuildInfo, manufacturerName) - offsetof(UA_BuildInfo, productUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ProductName") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_BuildInfo, productName) - offsetof(UA_BuildInfo, manufacturerName) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SoftwareVersion") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_BuildInfo, softwareVersion) - offsetof(UA_BuildInfo, productName) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BuildNumber") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_BuildInfo, buildNumber) - offsetof(UA_BuildInfo, softwareVersion) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BuildDate") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_BuildInfo, buildDate) - offsetof(UA_BuildInfo, buildNumber) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* RedundancySupport */
#define RedundancySupport_members NULL

/* ServerState */
#define ServerState_members NULL

/* ServerDiagnosticsSummaryDataType */
static UA_DataTypeMember ServerDiagnosticsSummaryDataType_members[12] = {
{
    UA_TYPENAME("ServerViewCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("CurrentSessionCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, currentSessionCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, serverViewCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("CumulatedSessionCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, cumulatedSessionCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, currentSessionCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityRejectedSessionCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, securityRejectedSessionCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, cumulatedSessionCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RejectedSessionCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, rejectedSessionCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, securityRejectedSessionCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SessionTimeoutCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, sessionTimeoutCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, rejectedSessionCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SessionAbortCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, sessionAbortCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, sessionTimeoutCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("CurrentSubscriptionCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, currentSubscriptionCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, sessionAbortCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("CumulatedSubscriptionCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, cumulatedSubscriptionCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, currentSubscriptionCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("PublishingIntervalCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, publishingIntervalCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, cumulatedSubscriptionCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecurityRejectedRequestsCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, securityRejectedRequestsCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, publishingIntervalCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RejectedRequestsCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerDiagnosticsSummaryDataType, rejectedRequestsCount) - offsetof(UA_ServerDiagnosticsSummaryDataType, securityRejectedRequestsCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ServerStatusDataType */
static UA_DataTypeMember ServerStatusDataType_members[6] = {
{
    UA_TYPENAME("StartTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("CurrentTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ServerStatusDataType, currentTime) - offsetof(UA_ServerStatusDataType, startTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("State") /* .memberName */
    &UA_TYPES[UA_TYPES_SERVERSTATE], /* .memberType */
    offsetof(UA_ServerStatusDataType, state) - offsetof(UA_ServerStatusDataType, currentTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("BuildInfo") /* .memberName */
    &UA_TYPES[UA_TYPES_BUILDINFO], /* .memberType */
    offsetof(UA_ServerStatusDataType, buildInfo) - offsetof(UA_ServerStatusDataType, state) - sizeof(UA_ServerState), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SecondsTillShutdown") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_ServerStatusDataType, secondsTillShutdown) - offsetof(UA_ServerStatusDataType, buildInfo) - sizeof(UA_BuildInfo), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ShutdownReason") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_ServerStatusDataType, shutdownReason) - offsetof(UA_ServerStatusDataType, secondsTillShutdown) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* Range */
static UA_DataTypeMember Range_members[2] = {
{
    UA_TYPENAME("Low") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("High") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_Range, high) - offsetof(UA_Range, low) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EUInformation */
static UA_DataTypeMember EUInformation_members[4] = {
{
    UA_TYPENAME("NamespaceUri") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UnitId") /* .memberName */
    &UA_TYPES[UA_TYPES_INT32], /* .memberType */
    offsetof(UA_EUInformation, unitId) - offsetof(UA_EUInformation, namespaceUri) - sizeof(UA_String), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DisplayName") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_EUInformation, displayName) - offsetof(UA_EUInformation, unitId) - sizeof(UA_Int32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Description") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_EUInformation, description) - offsetof(UA_EUInformation, displayName) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AxisScaleEnumeration */
#define AxisScaleEnumeration_members NULL

/* ComplexNumberType */
static UA_DataTypeMember ComplexNumberType_members[2] = {
{
    UA_TYPENAME("Real") /* .memberName */
    &UA_TYPES[UA_TYPES_FLOAT], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Imaginary") /* .memberName */
    &UA_TYPES[UA_TYPES_FLOAT], /* .memberType */
    offsetof(UA_ComplexNumberType, imaginary) - offsetof(UA_ComplexNumberType, real) - sizeof(UA_Float), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* DoubleComplexNumberType */
static UA_DataTypeMember DoubleComplexNumberType_members[2] = {
{
    UA_TYPENAME("Real") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Imaginary") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_DoubleComplexNumberType, imaginary) - offsetof(UA_DoubleComplexNumberType, real) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AxisInformation */
static UA_DataTypeMember AxisInformation_members[5] = {
{
    UA_TYPENAME("EngineeringUnits") /* .memberName */
    &UA_TYPES[UA_TYPES_EUINFORMATION], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EURange") /* .memberName */
    &UA_TYPES[UA_TYPES_RANGE], /* .memberType */
    offsetof(UA_AxisInformation, eURange) - offsetof(UA_AxisInformation, engineeringUnits) - sizeof(UA_EUInformation), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Title") /* .memberName */
    &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], /* .memberType */
    offsetof(UA_AxisInformation, title) - offsetof(UA_AxisInformation, eURange) - sizeof(UA_Range), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AxisScaleType") /* .memberName */
    &UA_TYPES[UA_TYPES_AXISSCALEENUMERATION], /* .memberType */
    offsetof(UA_AxisInformation, axisScaleType) - offsetof(UA_AxisInformation, title) - sizeof(UA_LocalizedText), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AxisSteps") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_AxisInformation, axisStepsSize) - offsetof(UA_AxisInformation, axisScaleType) - sizeof(UA_AxisScaleEnumeration), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* XVType */
static UA_DataTypeMember XVType_members[2] = {
{
    UA_TYPENAME("X") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Value") /* .memberName */
    &UA_TYPES[UA_TYPES_FLOAT], /* .memberType */
    offsetof(UA_XVType, value) - offsetof(UA_XVType, x) - sizeof(UA_Double), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* EnumDefinition */
static UA_DataTypeMember EnumDefinition_members[1] = {
{
    UA_TYPENAME("Fields") /* .memberName */
    &UA_TYPES[UA_TYPES_ENUMFIELD], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* ReadEventDetails */
static UA_DataTypeMember ReadEventDetails_members[4] = {
{
    UA_TYPENAME("NumValuesPerNode") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("StartTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ReadEventDetails, startTime) - offsetof(UA_ReadEventDetails, numValuesPerNode) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ReadEventDetails, endTime) - offsetof(UA_ReadEventDetails, startTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Filter") /* .memberName */
    &UA_TYPES[UA_TYPES_EVENTFILTER], /* .memberType */
    offsetof(UA_ReadEventDetails, filter) - offsetof(UA_ReadEventDetails, endTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ReadProcessedDetails */
static UA_DataTypeMember ReadProcessedDetails_members[5] = {
{
    UA_TYPENAME("StartTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    offsetof(UA_ReadProcessedDetails, endTime) - offsetof(UA_ReadProcessedDetails, startTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ProcessingInterval") /* .memberName */
    &UA_TYPES[UA_TYPES_DOUBLE], /* .memberType */
    offsetof(UA_ReadProcessedDetails, processingInterval) - offsetof(UA_ReadProcessedDetails, endTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AggregateType") /* .memberName */
    &UA_TYPES[UA_TYPES_NODEID], /* .memberType */
    offsetof(UA_ReadProcessedDetails, aggregateTypeSize) - offsetof(UA_ReadProcessedDetails, processingInterval) - sizeof(UA_Double), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("AggregateConfiguration") /* .memberName */
    &UA_TYPES[UA_TYPES_AGGREGATECONFIGURATION], /* .memberType */
    offsetof(UA_ReadProcessedDetails, aggregateConfiguration) - offsetof(UA_ReadProcessedDetails, aggregateType) - sizeof(void *), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* ModificationInfo */
static UA_DataTypeMember ModificationInfo_members[3] = {
{
    UA_TYPENAME("ModificationTime") /* .memberName */
    &UA_TYPES[UA_TYPES_DATETIME], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UpdateType") /* .memberName */
    &UA_TYPES[UA_TYPES_HISTORYUPDATETYPE], /* .memberType */
    offsetof(UA_ModificationInfo, updateType) - offsetof(UA_ModificationInfo, modificationTime) - sizeof(UA_DateTime), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("UserName") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_ModificationInfo, userName) - offsetof(UA_ModificationInfo, updateType) - sizeof(UA_HistoryUpdateType), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryModifiedData */
static UA_DataTypeMember HistoryModifiedData_members[2] = {
{
    UA_TYPENAME("DataValues") /* .memberName */
    &UA_TYPES[UA_TYPES_DATAVALUE], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ModificationInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_MODIFICATIONINFO], /* .memberType */
    offsetof(UA_HistoryModifiedData, modificationInfosSize) - offsetof(UA_HistoryModifiedData, dataValues) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* HistoryEvent */
static UA_DataTypeMember HistoryEvent_members[1] = {
{
    UA_TYPENAME("Events") /* .memberName */
    &UA_TYPES[UA_TYPES_HISTORYEVENTFIELDLIST], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* DataChangeNotification */
static UA_DataTypeMember DataChangeNotification_members[2] = {
{
    UA_TYPENAME("MonitoredItems") /* .memberName */
    &UA_TYPES[UA_TYPES_MONITOREDITEMNOTIFICATION], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("DiagnosticInfos") /* .memberName */
    &UA_TYPES[UA_TYPES_DIAGNOSTICINFO], /* .memberType */
    offsetof(UA_DataChangeNotification, diagnosticInfosSize) - offsetof(UA_DataChangeNotification, monitoredItems) - sizeof(void *), /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};

/* EventNotificationList */
static UA_DataTypeMember EventNotificationList_members[1] = {
{
    UA_TYPENAME("Events") /* .memberName */
    &UA_TYPES[UA_TYPES_EVENTFIELDLIST], /* .memberType */
    0, /* .padding */
    true, /* .isArray */
    false  /* .isOptional */
},};
const UA_DataType UA_TYPES[UA_TYPES_COUNT] = {
/* Boolean */
{
    UA_TYPENAME("Boolean") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {1LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Boolean), /* .memSize */
    UA_DATATYPEKIND_BOOLEAN, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    Boolean_members  /* .members */
},
/* SByte */
{
    UA_TYPENAME("SByte") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {2LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_SByte), /* .memSize */
    UA_DATATYPEKIND_SBYTE, /* .typeKind */
    true, /* .pointerFree */
    true, /* .overlayable */
    0, /* .membersSize */
    SByte_members  /* .members */
},
/* Byte */
{
    UA_TYPENAME("Byte") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {3LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Byte), /* .memSize */
    UA_DATATYPEKIND_BYTE, /* .typeKind */
    true, /* .pointerFree */
    true, /* .overlayable */
    0, /* .membersSize */
    Byte_members  /* .members */
},
/* Int16 */
{
    UA_TYPENAME("Int16") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {4LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Int16), /* .memSize */
    UA_DATATYPEKIND_INT16, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    Int16_members  /* .members */
},
/* UInt16 */
{
    UA_TYPENAME("UInt16") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {5LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_UInt16), /* .memSize */
    UA_DATATYPEKIND_UINT16, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    UInt16_members  /* .members */
},
/* Int32 */
{
    UA_TYPENAME("Int32") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {6LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Int32), /* .memSize */
    UA_DATATYPEKIND_INT32, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    Int32_members  /* .members */
},
/* UInt32 */
{
    UA_TYPENAME("UInt32") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {7LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_UInt32), /* .memSize */
    UA_DATATYPEKIND_UINT32, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    UInt32_members  /* .members */
},
/* Int64 */
{
    UA_TYPENAME("Int64") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {8LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Int64), /* .memSize */
    UA_DATATYPEKIND_INT64, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    Int64_members  /* .members */
},
/* UInt64 */
{
    UA_TYPENAME("UInt64") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {9LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_UInt64), /* .memSize */
    UA_DATATYPEKIND_UINT64, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    UInt64_members  /* .members */
},
/* Float */
{
    UA_TYPENAME("Float") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {10LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Float), /* .memSize */
    UA_DATATYPEKIND_FLOAT, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_FLOAT, /* .overlayable */
    0, /* .membersSize */
    Float_members  /* .members */
},
/* Double */
{
    UA_TYPENAME("Double") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {11LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Double), /* .memSize */
    UA_DATATYPEKIND_DOUBLE, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_FLOAT, /* .overlayable */
    0, /* .membersSize */
    Double_members  /* .members */
},
/* String */
{
    UA_TYPENAME("String") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {12LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_String), /* .memSize */
    UA_DATATYPEKIND_STRING, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    String_members  /* .members */
},
/* DateTime */
{
    UA_TYPENAME("DateTime") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {13LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_DateTime), /* .memSize */
    UA_DATATYPEKIND_DATETIME, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    DateTime_members  /* .members */
},
/* Guid */
{
    UA_TYPENAME("Guid") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {14LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Guid), /* .memSize */
    UA_DATATYPEKIND_GUID, /* .typeKind */
    true, /* .pointerFree */
    (UA_BINARY_OVERLAYABLE_INTEGER && offsetof(UA_Guid, data2) == sizeof(UA_UInt32) && offsetof(UA_Guid, data3) == (sizeof(UA_UInt16) + sizeof(UA_UInt32)) && offsetof(UA_Guid, data4) == (2*sizeof(UA_UInt32))), /* .overlayable */
    0, /* .membersSize */
    Guid_members  /* .members */
},
/* ByteString */
{
    UA_TYPENAME("ByteString") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {15LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_ByteString), /* .memSize */
    UA_DATATYPEKIND_BYTESTRING, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    ByteString_members  /* .members */
},
/* XmlElement */
{
    UA_TYPENAME("XmlElement") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {16LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_XmlElement), /* .memSize */
    UA_DATATYPEKIND_XMLELEMENT, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    XmlElement_members  /* .members */
},
/* NodeId */
{
    UA_TYPENAME("NodeId") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {17LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_NodeId), /* .memSize */
    UA_DATATYPEKIND_NODEID, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    NodeId_members  /* .members */
},
/* ExpandedNodeId */
{
    UA_TYPENAME("ExpandedNodeId") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {18LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_ExpandedNodeId), /* .memSize */
    UA_DATATYPEKIND_EXPANDEDNODEID, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    ExpandedNodeId_members  /* .members */
},
/* StatusCode */
{
    UA_TYPENAME("StatusCode") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {19LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_StatusCode), /* .memSize */
    UA_DATATYPEKIND_STATUSCODE, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    StatusCode_members  /* .members */
},
/* QualifiedName */
{
    UA_TYPENAME("QualifiedName") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {20LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_QualifiedName), /* .memSize */
    UA_DATATYPEKIND_QUALIFIEDNAME, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    QualifiedName_members  /* .members */
},
/* LocalizedText */
{
    UA_TYPENAME("LocalizedText") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {21LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_LocalizedText), /* .memSize */
    UA_DATATYPEKIND_LOCALIZEDTEXT, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    LocalizedText_members  /* .members */
},
/* ExtensionObject */
{
    UA_TYPENAME("ExtensionObject") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {22LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_ExtensionObject), /* .memSize */
    UA_DATATYPEKIND_EXTENSIONOBJECT, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    ExtensionObject_members  /* .members */
},
/* DataValue */
{
    UA_TYPENAME("DataValue") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {23LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_DataValue), /* .memSize */
    UA_DATATYPEKIND_DATAVALUE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    DataValue_members  /* .members */
},
/* Variant */
{
    UA_TYPENAME("Variant") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {24LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Variant), /* .memSize */
    UA_DATATYPEKIND_VARIANT, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    Variant_members  /* .members */
},
/* DiagnosticInfo */
{
    UA_TYPENAME("DiagnosticInfo") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {25LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_DiagnosticInfo), /* .memSize */
    UA_DATATYPEKIND_DIAGNOSTICINFO, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    DiagnosticInfo_members  /* .members */
},
/* KeyValuePair */
{
    UA_TYPENAME("KeyValuePair") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {14533LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {14846LU}}, /* .binaryEncodingId */
    sizeof(UA_KeyValuePair), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    KeyValuePair_members  /* .members */
},
/* NodeClass */
{
    UA_TYPENAME("NodeClass") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {257LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_NodeClass), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    NodeClass_members  /* .members */
},
/* StructureType */
{
    UA_TYPENAME("StructureType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {98LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_StructureType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    StructureType_members  /* .members */
},
/* StructureField */
{
    UA_TYPENAME("StructureField") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {101LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {14844LU}}, /* .binaryEncodingId */
    sizeof(UA_StructureField), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    StructureField_members  /* .members */
},
/* StructureDefinition */
{
    UA_TYPENAME("StructureDefinition") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {99LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {122LU}}, /* .binaryEncodingId */
    sizeof(UA_StructureDefinition), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    StructureDefinition_members  /* .members */
},
/* Argument */
{
    UA_TYPENAME("Argument") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {296LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {298LU}}, /* .binaryEncodingId */
    sizeof(UA_Argument), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    Argument_members  /* .members */
},
/* EnumValueType */
{
    UA_TYPENAME("EnumValueType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {7594LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {8251LU}}, /* .binaryEncodingId */
    sizeof(UA_EnumValueType), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    EnumValueType_members  /* .members */
},
/* EnumField */
{
    UA_TYPENAME("EnumField") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {102LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {14845LU}}, /* .binaryEncodingId */
    sizeof(UA_EnumField), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    EnumField_members  /* .members */
},
/* Duration */
{
    UA_TYPENAME("Duration") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {290LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_Duration), /* .memSize */
    UA_DATATYPEKIND_DOUBLE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    Duration_members  /* .members */
},
/* UtcTime */
{
    UA_TYPENAME("UtcTime") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {294LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_UtcTime), /* .memSize */
    UA_DATATYPEKIND_DATETIME, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    UtcTime_members  /* .members */
},
/* LocaleId */
{
    UA_TYPENAME("LocaleId") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {295LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_LocaleId), /* .memSize */
    UA_DATATYPEKIND_STRING, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    0, /* .membersSize */
    LocaleId_members  /* .members */
},
/* TimeZoneDataType */
{
    UA_TYPENAME("TimeZoneDataType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {8912LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {8917LU}}, /* .binaryEncodingId */
    sizeof(UA_TimeZoneDataType), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    TimeZoneDataType_members  /* .members */
},
/* ApplicationType */
{
    UA_TYPENAME("ApplicationType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {307LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_ApplicationType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    ApplicationType_members  /* .members */
},
/* ApplicationDescription */
{
    UA_TYPENAME("ApplicationDescription") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {308LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {310LU}}, /* .binaryEncodingId */
    sizeof(UA_ApplicationDescription), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    ApplicationDescription_members  /* .members */
},
/* RequestHeader */
{
    UA_TYPENAME("RequestHeader") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {389LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {391LU}}, /* .binaryEncodingId */
    sizeof(UA_RequestHeader), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    RequestHeader_members  /* .members */
},
/* ResponseHeader */
{
    UA_TYPENAME("ResponseHeader") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {392LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {394LU}}, /* .binaryEncodingId */
    sizeof(UA_ResponseHeader), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    ResponseHeader_members  /* .members */
},
/* ServiceFault */
{
    UA_TYPENAME("ServiceFault") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {395LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {397LU}}, /* .binaryEncodingId */
    sizeof(UA_ServiceFault), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    ServiceFault_members  /* .members */
},
/* FindServersRequest */
{
    UA_TYPENAME("FindServersRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {420LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {422LU}}, /* .binaryEncodingId */
    sizeof(UA_FindServersRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    FindServersRequest_members  /* .members */
},
/* FindServersResponse */
{
    UA_TYPENAME("FindServersResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {423LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {425LU}}, /* .binaryEncodingId */
    sizeof(UA_FindServersResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    FindServersResponse_members  /* .members */
},
/* MessageSecurityMode */
{
    UA_TYPENAME("MessageSecurityMode") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {302LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_MessageSecurityMode), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    MessageSecurityMode_members  /* .members */
},
/* UserTokenType */
{
    UA_TYPENAME("UserTokenType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {303LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_UserTokenType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    UserTokenType_members  /* .members */
},
/* UserTokenPolicy */
{
    UA_TYPENAME("UserTokenPolicy") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {304LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {306LU}}, /* .binaryEncodingId */
    sizeof(UA_UserTokenPolicy), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    UserTokenPolicy_members  /* .members */
},
/* EndpointDescription */
{
    UA_TYPENAME("EndpointDescription") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {312LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {314LU}}, /* .binaryEncodingId */
    sizeof(UA_EndpointDescription), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    8, /* .membersSize */
    EndpointDescription_members  /* .members */
},
/* GetEndpointsRequest */
{
    UA_TYPENAME("GetEndpointsRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {426LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {428LU}}, /* .binaryEncodingId */
    sizeof(UA_GetEndpointsRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    GetEndpointsRequest_members  /* .members */
},
/* GetEndpointsResponse */
{
    UA_TYPENAME("GetEndpointsResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {429LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {431LU}}, /* .binaryEncodingId */
    sizeof(UA_GetEndpointsResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    GetEndpointsResponse_members  /* .members */
},
/* SecurityTokenRequestType */
{
    UA_TYPENAME("SecurityTokenRequestType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {315LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_SecurityTokenRequestType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    SecurityTokenRequestType_members  /* .members */
},
/* ChannelSecurityToken */
{
    UA_TYPENAME("ChannelSecurityToken") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {441LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {443LU}}, /* .binaryEncodingId */
    sizeof(UA_ChannelSecurityToken), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    ChannelSecurityToken_members  /* .members */
},
/* OpenSecureChannelRequest */
{
    UA_TYPENAME("OpenSecureChannelRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {444LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {446LU}}, /* .binaryEncodingId */
    sizeof(UA_OpenSecureChannelRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    OpenSecureChannelRequest_members  /* .members */
},
/* OpenSecureChannelResponse */
{
    UA_TYPENAME("OpenSecureChannelResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {447LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {449LU}}, /* .binaryEncodingId */
    sizeof(UA_OpenSecureChannelResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    OpenSecureChannelResponse_members  /* .members */
},
/* CloseSecureChannelRequest */
{
    UA_TYPENAME("CloseSecureChannelRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {450LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {452LU}}, /* .binaryEncodingId */
    sizeof(UA_CloseSecureChannelRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    CloseSecureChannelRequest_members  /* .members */
},
/* CloseSecureChannelResponse */
{
    UA_TYPENAME("CloseSecureChannelResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {453LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {455LU}}, /* .binaryEncodingId */
    sizeof(UA_CloseSecureChannelResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    CloseSecureChannelResponse_members  /* .members */
},
/* SignedSoftwareCertificate */
{
    UA_TYPENAME("SignedSoftwareCertificate") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {344LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {346LU}}, /* .binaryEncodingId */
    sizeof(UA_SignedSoftwareCertificate), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    SignedSoftwareCertificate_members  /* .members */
},
/* SignatureData */
{
    UA_TYPENAME("SignatureData") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {456LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {458LU}}, /* .binaryEncodingId */
    sizeof(UA_SignatureData), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    SignatureData_members  /* .members */
},
/* CreateSessionRequest */
{
    UA_TYPENAME("CreateSessionRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {459LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {461LU}}, /* .binaryEncodingId */
    sizeof(UA_CreateSessionRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    9, /* .membersSize */
    CreateSessionRequest_members  /* .members */
},
/* CreateSessionResponse */
{
    UA_TYPENAME("CreateSessionResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {462LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {464LU}}, /* .binaryEncodingId */
    sizeof(UA_CreateSessionResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    10, /* .membersSize */
    CreateSessionResponse_members  /* .members */
},
/* UserIdentityToken */
{
    UA_TYPENAME("UserIdentityToken") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {316LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {318LU}}, /* .binaryEncodingId */
    sizeof(UA_UserIdentityToken), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    UserIdentityToken_members  /* .members */
},
/* AnonymousIdentityToken */
{
    UA_TYPENAME("AnonymousIdentityToken") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {319LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {321LU}}, /* .binaryEncodingId */
    sizeof(UA_AnonymousIdentityToken), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    AnonymousIdentityToken_members  /* .members */
},
/* UserNameIdentityToken */
{
    UA_TYPENAME("UserNameIdentityToken") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {322LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {324LU}}, /* .binaryEncodingId */
    sizeof(UA_UserNameIdentityToken), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    UserNameIdentityToken_members  /* .members */
},
/* X509IdentityToken */
{
    UA_TYPENAME("X509IdentityToken") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {325LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {327LU}}, /* .binaryEncodingId */
    sizeof(UA_X509IdentityToken), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    X509IdentityToken_members  /* .members */
},
/* IssuedIdentityToken */
{
    UA_TYPENAME("IssuedIdentityToken") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {938LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {940LU}}, /* .binaryEncodingId */
    sizeof(UA_IssuedIdentityToken), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    IssuedIdentityToken_members  /* .members */
},
/* ActivateSessionRequest */
{
    UA_TYPENAME("ActivateSessionRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {465LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {467LU}}, /* .binaryEncodingId */
    sizeof(UA_ActivateSessionRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    ActivateSessionRequest_members  /* .members */
},
/* ActivateSessionResponse */
{
    UA_TYPENAME("ActivateSessionResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {468LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {470LU}}, /* .binaryEncodingId */
    sizeof(UA_ActivateSessionResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    ActivateSessionResponse_members  /* .members */
},
/* CloseSessionRequest */
{
    UA_TYPENAME("CloseSessionRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {471LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {473LU}}, /* .binaryEncodingId */
    sizeof(UA_CloseSessionRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    CloseSessionRequest_members  /* .members */
},
/* CloseSessionResponse */
{
    UA_TYPENAME("CloseSessionResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {474LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {476LU}}, /* .binaryEncodingId */
    sizeof(UA_CloseSessionResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    CloseSessionResponse_members  /* .members */
},
/* NodeAttributesMask */
{
    UA_TYPENAME("NodeAttributesMask") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {348LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_NodeAttributesMask), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    NodeAttributesMask_members  /* .members */
},
/* NodeAttributes */
{
    UA_TYPENAME("NodeAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {349LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {351LU}}, /* .binaryEncodingId */
    sizeof(UA_NodeAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    NodeAttributes_members  /* .members */
},
/* ObjectAttributes */
{
    UA_TYPENAME("ObjectAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {352LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {354LU}}, /* .binaryEncodingId */
    sizeof(UA_ObjectAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    ObjectAttributes_members  /* .members */
},
/* VariableAttributes */
{
    UA_TYPENAME("VariableAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {355LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {357LU}}, /* .binaryEncodingId */
    sizeof(UA_VariableAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    13, /* .membersSize */
    VariableAttributes_members  /* .members */
},
/* MethodAttributes */
{
    UA_TYPENAME("MethodAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {358LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {360LU}}, /* .binaryEncodingId */
    sizeof(UA_MethodAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    MethodAttributes_members  /* .members */
},
/* ObjectTypeAttributes */
{
    UA_TYPENAME("ObjectTypeAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {361LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {363LU}}, /* .binaryEncodingId */
    sizeof(UA_ObjectTypeAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    ObjectTypeAttributes_members  /* .members */
},
/* VariableTypeAttributes */
{
    UA_TYPENAME("VariableTypeAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {364LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {366LU}}, /* .binaryEncodingId */
    sizeof(UA_VariableTypeAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    10, /* .membersSize */
    VariableTypeAttributes_members  /* .members */
},
/* ReferenceTypeAttributes */
{
    UA_TYPENAME("ReferenceTypeAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {367LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {369LU}}, /* .binaryEncodingId */
    sizeof(UA_ReferenceTypeAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    8, /* .membersSize */
    ReferenceTypeAttributes_members  /* .members */
},
/* DataTypeAttributes */
{
    UA_TYPENAME("DataTypeAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {370LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {372LU}}, /* .binaryEncodingId */
    sizeof(UA_DataTypeAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    DataTypeAttributes_members  /* .members */
},
/* ViewAttributes */
{
    UA_TYPENAME("ViewAttributes") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {373LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {375LU}}, /* .binaryEncodingId */
    sizeof(UA_ViewAttributes), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    ViewAttributes_members  /* .members */
},
/* AddNodesItem */
{
    UA_TYPENAME("AddNodesItem") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {376LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {378LU}}, /* .binaryEncodingId */
    sizeof(UA_AddNodesItem), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    AddNodesItem_members  /* .members */
},
/* AddNodesResult */
{
    UA_TYPENAME("AddNodesResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {483LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {485LU}}, /* .binaryEncodingId */
    sizeof(UA_AddNodesResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    AddNodesResult_members  /* .members */
},
/* AddNodesRequest */
{
    UA_TYPENAME("AddNodesRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {486LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {488LU}}, /* .binaryEncodingId */
    sizeof(UA_AddNodesRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    AddNodesRequest_members  /* .members */
},
/* AddNodesResponse */
{
    UA_TYPENAME("AddNodesResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {489LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {491LU}}, /* .binaryEncodingId */
    sizeof(UA_AddNodesResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    AddNodesResponse_members  /* .members */
},
/* AddReferencesItem */
{
    UA_TYPENAME("AddReferencesItem") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {379LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {381LU}}, /* .binaryEncodingId */
    sizeof(UA_AddReferencesItem), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    AddReferencesItem_members  /* .members */
},
/* AddReferencesRequest */
{
    UA_TYPENAME("AddReferencesRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {492LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {494LU}}, /* .binaryEncodingId */
    sizeof(UA_AddReferencesRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    AddReferencesRequest_members  /* .members */
},
/* AddReferencesResponse */
{
    UA_TYPENAME("AddReferencesResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {495LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {497LU}}, /* .binaryEncodingId */
    sizeof(UA_AddReferencesResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    AddReferencesResponse_members  /* .members */
},
/* DeleteNodesItem */
{
    UA_TYPENAME("DeleteNodesItem") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {382LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {384LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteNodesItem), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    DeleteNodesItem_members  /* .members */
},
/* DeleteNodesRequest */
{
    UA_TYPENAME("DeleteNodesRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {498LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {500LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteNodesRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    DeleteNodesRequest_members  /* .members */
},
/* DeleteNodesResponse */
{
    UA_TYPENAME("DeleteNodesResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {501LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {503LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteNodesResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    DeleteNodesResponse_members  /* .members */
},
/* DeleteReferencesItem */
{
    UA_TYPENAME("DeleteReferencesItem") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {385LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {387LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteReferencesItem), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    DeleteReferencesItem_members  /* .members */
},
/* DeleteReferencesRequest */
{
    UA_TYPENAME("DeleteReferencesRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {504LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {506LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteReferencesRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    DeleteReferencesRequest_members  /* .members */
},
/* DeleteReferencesResponse */
{
    UA_TYPENAME("DeleteReferencesResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {507LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {509LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteReferencesResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    DeleteReferencesResponse_members  /* .members */
},
/* BrowseDirection */
{
    UA_TYPENAME("BrowseDirection") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {510LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_BrowseDirection), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    BrowseDirection_members  /* .members */
},
/* ViewDescription */
{
    UA_TYPENAME("ViewDescription") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {511LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {513LU}}, /* .binaryEncodingId */
    sizeof(UA_ViewDescription), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    ViewDescription_members  /* .members */
},
/* BrowseDescription */
{
    UA_TYPENAME("BrowseDescription") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {514LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {516LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowseDescription), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    BrowseDescription_members  /* .members */
},
/* BrowseResultMask */
{
    UA_TYPENAME("BrowseResultMask") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {517LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_BrowseResultMask), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    BrowseResultMask_members  /* .members */
},
/* ReferenceDescription */
{
    UA_TYPENAME("ReferenceDescription") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {518LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {520LU}}, /* .binaryEncodingId */
    sizeof(UA_ReferenceDescription), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    ReferenceDescription_members  /* .members */
},
/* BrowseResult */
{
    UA_TYPENAME("BrowseResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {522LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {524LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowseResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    BrowseResult_members  /* .members */
},
/* BrowseRequest */
{
    UA_TYPENAME("BrowseRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {525LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {527LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowseRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    BrowseRequest_members  /* .members */
},
/* BrowseResponse */
{
    UA_TYPENAME("BrowseResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {528LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {530LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowseResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    BrowseResponse_members  /* .members */
},
/* BrowseNextRequest */
{
    UA_TYPENAME("BrowseNextRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {531LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {533LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowseNextRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    BrowseNextRequest_members  /* .members */
},
/* BrowseNextResponse */
{
    UA_TYPENAME("BrowseNextResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {534LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {536LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowseNextResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    BrowseNextResponse_members  /* .members */
},
/* RelativePathElement */
{
    UA_TYPENAME("RelativePathElement") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {537LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {539LU}}, /* .binaryEncodingId */
    sizeof(UA_RelativePathElement), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    RelativePathElement_members  /* .members */
},
/* RelativePath */
{
    UA_TYPENAME("RelativePath") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {540LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {542LU}}, /* .binaryEncodingId */
    sizeof(UA_RelativePath), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    RelativePath_members  /* .members */
},
/* BrowsePath */
{
    UA_TYPENAME("BrowsePath") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {543LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {545LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowsePath), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    BrowsePath_members  /* .members */
},
/* BrowsePathTarget */
{
    UA_TYPENAME("BrowsePathTarget") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {546LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {548LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowsePathTarget), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    BrowsePathTarget_members  /* .members */
},
/* BrowsePathResult */
{
    UA_TYPENAME("BrowsePathResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {549LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {551LU}}, /* .binaryEncodingId */
    sizeof(UA_BrowsePathResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    BrowsePathResult_members  /* .members */
},
/* TranslateBrowsePathsToNodeIdsRequest */
{
    UA_TYPENAME("TranslateBrowsePathsToNodeIdsRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {552LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {554LU}}, /* .binaryEncodingId */
    sizeof(UA_TranslateBrowsePathsToNodeIdsRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    TranslateBrowsePathsToNodeIdsRequest_members  /* .members */
},
/* TranslateBrowsePathsToNodeIdsResponse */
{
    UA_TYPENAME("TranslateBrowsePathsToNodeIdsResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {555LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {557LU}}, /* .binaryEncodingId */
    sizeof(UA_TranslateBrowsePathsToNodeIdsResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    TranslateBrowsePathsToNodeIdsResponse_members  /* .members */
},
/* RegisterNodesRequest */
{
    UA_TYPENAME("RegisterNodesRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {558LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {560LU}}, /* .binaryEncodingId */
    sizeof(UA_RegisterNodesRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    RegisterNodesRequest_members  /* .members */
},
/* RegisterNodesResponse */
{
    UA_TYPENAME("RegisterNodesResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {561LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {563LU}}, /* .binaryEncodingId */
    sizeof(UA_RegisterNodesResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    RegisterNodesResponse_members  /* .members */
},
/* UnregisterNodesRequest */
{
    UA_TYPENAME("UnregisterNodesRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {564LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {566LU}}, /* .binaryEncodingId */
    sizeof(UA_UnregisterNodesRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    UnregisterNodesRequest_members  /* .members */
},
/* UnregisterNodesResponse */
{
    UA_TYPENAME("UnregisterNodesResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {567LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {569LU}}, /* .binaryEncodingId */
    sizeof(UA_UnregisterNodesResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    UnregisterNodesResponse_members  /* .members */
},
/* FilterOperator */
{
    UA_TYPENAME("FilterOperator") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {576LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_FilterOperator), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    FilterOperator_members  /* .members */
},
/* ContentFilterElement */
{
    UA_TYPENAME("ContentFilterElement") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {583LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {585LU}}, /* .binaryEncodingId */
    sizeof(UA_ContentFilterElement), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    ContentFilterElement_members  /* .members */
},
/* ContentFilter */
{
    UA_TYPENAME("ContentFilter") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {586LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {588LU}}, /* .binaryEncodingId */
    sizeof(UA_ContentFilter), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    ContentFilter_members  /* .members */
},
/* ElementOperand */
{
    UA_TYPENAME("ElementOperand") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {592LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {594LU}}, /* .binaryEncodingId */
    sizeof(UA_ElementOperand), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    ElementOperand_members  /* .members */
},
/* LiteralOperand */
{
    UA_TYPENAME("LiteralOperand") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {595LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {597LU}}, /* .binaryEncodingId */
    sizeof(UA_LiteralOperand), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    LiteralOperand_members  /* .members */
},
/* AttributeOperand */
{
    UA_TYPENAME("AttributeOperand") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {598LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {600LU}}, /* .binaryEncodingId */
    sizeof(UA_AttributeOperand), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    AttributeOperand_members  /* .members */
},
/* SimpleAttributeOperand */
{
    UA_TYPENAME("SimpleAttributeOperand") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {601LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {603LU}}, /* .binaryEncodingId */
    sizeof(UA_SimpleAttributeOperand), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    SimpleAttributeOperand_members  /* .members */
},
/* ContentFilterElementResult */
{
    UA_TYPENAME("ContentFilterElementResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {604LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {606LU}}, /* .binaryEncodingId */
    sizeof(UA_ContentFilterElementResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    ContentFilterElementResult_members  /* .members */
},
/* ContentFilterResult */
{
    UA_TYPENAME("ContentFilterResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {607LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {609LU}}, /* .binaryEncodingId */
    sizeof(UA_ContentFilterResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    ContentFilterResult_members  /* .members */
},
/* TimestampsToReturn */
{
    UA_TYPENAME("TimestampsToReturn") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {625LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_TimestampsToReturn), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    TimestampsToReturn_members  /* .members */
},
/* ReadValueId */
{
    UA_TYPENAME("ReadValueId") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {626LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {628LU}}, /* .binaryEncodingId */
    sizeof(UA_ReadValueId), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    ReadValueId_members  /* .members */
},
/* ReadRequest */
{
    UA_TYPENAME("ReadRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {629LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {631LU}}, /* .binaryEncodingId */
    sizeof(UA_ReadRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    ReadRequest_members  /* .members */
},
/* ReadResponse */
{
    UA_TYPENAME("ReadResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {632LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {634LU}}, /* .binaryEncodingId */
    sizeof(UA_ReadResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    ReadResponse_members  /* .members */
},
/* HistoryReadValueId */
{
    UA_TYPENAME("HistoryReadValueId") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {635LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {637LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryReadValueId), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    HistoryReadValueId_members  /* .members */
},
/* HistoryReadResult */
{
    UA_TYPENAME("HistoryReadResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {638LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {640LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryReadResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    HistoryReadResult_members  /* .members */
},
/* ReadRawModifiedDetails */
{
    UA_TYPENAME("ReadRawModifiedDetails") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {647LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {649LU}}, /* .binaryEncodingId */
    sizeof(UA_ReadRawModifiedDetails), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    ReadRawModifiedDetails_members  /* .members */
},
/* ReadAtTimeDetails */
{
    UA_TYPENAME("ReadAtTimeDetails") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {653LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {655LU}}, /* .binaryEncodingId */
    sizeof(UA_ReadAtTimeDetails), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    ReadAtTimeDetails_members  /* .members */
},
/* HistoryData */
{
    UA_TYPENAME("HistoryData") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {656LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {658LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryData), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    HistoryData_members  /* .members */
},
/* HistoryReadRequest */
{
    UA_TYPENAME("HistoryReadRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {662LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {664LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryReadRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    HistoryReadRequest_members  /* .members */
},
/* HistoryReadResponse */
{
    UA_TYPENAME("HistoryReadResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {665LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {667LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryReadResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    HistoryReadResponse_members  /* .members */
},
/* WriteValue */
{
    UA_TYPENAME("WriteValue") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {668LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {670LU}}, /* .binaryEncodingId */
    sizeof(UA_WriteValue), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    WriteValue_members  /* .members */
},
/* WriteRequest */
{
    UA_TYPENAME("WriteRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {671LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {673LU}}, /* .binaryEncodingId */
    sizeof(UA_WriteRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    WriteRequest_members  /* .members */
},
/* WriteResponse */
{
    UA_TYPENAME("WriteResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {674LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {676LU}}, /* .binaryEncodingId */
    sizeof(UA_WriteResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    WriteResponse_members  /* .members */
},
/* HistoryUpdateType */
{
    UA_TYPENAME("HistoryUpdateType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {11234LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_HistoryUpdateType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    HistoryUpdateType_members  /* .members */
},
/* PerformUpdateType */
{
    UA_TYPENAME("PerformUpdateType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {11293LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_PerformUpdateType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    PerformUpdateType_members  /* .members */
},
/* UpdateDataDetails */
{
    UA_TYPENAME("UpdateDataDetails") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {680LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {682LU}}, /* .binaryEncodingId */
    sizeof(UA_UpdateDataDetails), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    UpdateDataDetails_members  /* .members */
},
/* DeleteRawModifiedDetails */
{
    UA_TYPENAME("DeleteRawModifiedDetails") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {686LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {688LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteRawModifiedDetails), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    DeleteRawModifiedDetails_members  /* .members */
},
/* HistoryUpdateResult */
{
    UA_TYPENAME("HistoryUpdateResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {695LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {697LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryUpdateResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    HistoryUpdateResult_members  /* .members */
},
/* HistoryUpdateRequest */
{
    UA_TYPENAME("HistoryUpdateRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {698LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {700LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryUpdateRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    HistoryUpdateRequest_members  /* .members */
},
/* HistoryUpdateResponse */
{
    UA_TYPENAME("HistoryUpdateResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {701LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {703LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryUpdateResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    HistoryUpdateResponse_members  /* .members */
},
/* CallMethodRequest */
{
    UA_TYPENAME("CallMethodRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {704LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {706LU}}, /* .binaryEncodingId */
    sizeof(UA_CallMethodRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    CallMethodRequest_members  /* .members */
},
/* CallMethodResult */
{
    UA_TYPENAME("CallMethodResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {707LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {709LU}}, /* .binaryEncodingId */
    sizeof(UA_CallMethodResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    CallMethodResult_members  /* .members */
},
/* CallRequest */
{
    UA_TYPENAME("CallRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {710LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {712LU}}, /* .binaryEncodingId */
    sizeof(UA_CallRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    CallRequest_members  /* .members */
},
/* CallResponse */
{
    UA_TYPENAME("CallResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {713LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {715LU}}, /* .binaryEncodingId */
    sizeof(UA_CallResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    CallResponse_members  /* .members */
},
/* MonitoringMode */
{
    UA_TYPENAME("MonitoringMode") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {716LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_MonitoringMode), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    MonitoringMode_members  /* .members */
},
/* DataChangeTrigger */
{
    UA_TYPENAME("DataChangeTrigger") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {717LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_DataChangeTrigger), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    DataChangeTrigger_members  /* .members */
},
/* DeadbandType */
{
    UA_TYPENAME("DeadbandType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {718LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_DeadbandType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    DeadbandType_members  /* .members */
},
/* DataChangeFilter */
{
    UA_TYPENAME("DataChangeFilter") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {722LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {724LU}}, /* .binaryEncodingId */
    sizeof(UA_DataChangeFilter), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    DataChangeFilter_members  /* .members */
},
/* EventFilter */
{
    UA_TYPENAME("EventFilter") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {725LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {727LU}}, /* .binaryEncodingId */
    sizeof(UA_EventFilter), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    EventFilter_members  /* .members */
},
/* AggregateConfiguration */
{
    UA_TYPENAME("AggregateConfiguration") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {948LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {950LU}}, /* .binaryEncodingId */
    sizeof(UA_AggregateConfiguration), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    AggregateConfiguration_members  /* .members */
},
/* AggregateFilter */
{
    UA_TYPENAME("AggregateFilter") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {728LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {730LU}}, /* .binaryEncodingId */
    sizeof(UA_AggregateFilter), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    AggregateFilter_members  /* .members */
},
/* EventFilterResult */
{
    UA_TYPENAME("EventFilterResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {734LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {736LU}}, /* .binaryEncodingId */
    sizeof(UA_EventFilterResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    EventFilterResult_members  /* .members */
},
/* MonitoringParameters */
{
    UA_TYPENAME("MonitoringParameters") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {740LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {742LU}}, /* .binaryEncodingId */
    sizeof(UA_MonitoringParameters), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    MonitoringParameters_members  /* .members */
},
/* MonitoredItemCreateRequest */
{
    UA_TYPENAME("MonitoredItemCreateRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {743LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {745LU}}, /* .binaryEncodingId */
    sizeof(UA_MonitoredItemCreateRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    MonitoredItemCreateRequest_members  /* .members */
},
/* MonitoredItemCreateResult */
{
    UA_TYPENAME("MonitoredItemCreateResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {746LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {748LU}}, /* .binaryEncodingId */
    sizeof(UA_MonitoredItemCreateResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    MonitoredItemCreateResult_members  /* .members */
},
/* CreateMonitoredItemsRequest */
{
    UA_TYPENAME("CreateMonitoredItemsRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {749LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {751LU}}, /* .binaryEncodingId */
    sizeof(UA_CreateMonitoredItemsRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    CreateMonitoredItemsRequest_members  /* .members */
},
/* CreateMonitoredItemsResponse */
{
    UA_TYPENAME("CreateMonitoredItemsResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {752LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {754LU}}, /* .binaryEncodingId */
    sizeof(UA_CreateMonitoredItemsResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    CreateMonitoredItemsResponse_members  /* .members */
},
/* MonitoredItemModifyRequest */
{
    UA_TYPENAME("MonitoredItemModifyRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {755LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {757LU}}, /* .binaryEncodingId */
    sizeof(UA_MonitoredItemModifyRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    MonitoredItemModifyRequest_members  /* .members */
},
/* MonitoredItemModifyResult */
{
    UA_TYPENAME("MonitoredItemModifyResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {758LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {760LU}}, /* .binaryEncodingId */
    sizeof(UA_MonitoredItemModifyResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    MonitoredItemModifyResult_members  /* .members */
},
/* ModifyMonitoredItemsRequest */
{
    UA_TYPENAME("ModifyMonitoredItemsRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {761LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {763LU}}, /* .binaryEncodingId */
    sizeof(UA_ModifyMonitoredItemsRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    ModifyMonitoredItemsRequest_members  /* .members */
},
/* ModifyMonitoredItemsResponse */
{
    UA_TYPENAME("ModifyMonitoredItemsResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {764LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {766LU}}, /* .binaryEncodingId */
    sizeof(UA_ModifyMonitoredItemsResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    ModifyMonitoredItemsResponse_members  /* .members */
},
/* SetMonitoringModeRequest */
{
    UA_TYPENAME("SetMonitoringModeRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {767LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {769LU}}, /* .binaryEncodingId */
    sizeof(UA_SetMonitoringModeRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    SetMonitoringModeRequest_members  /* .members */
},
/* SetMonitoringModeResponse */
{
    UA_TYPENAME("SetMonitoringModeResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {770LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {772LU}}, /* .binaryEncodingId */
    sizeof(UA_SetMonitoringModeResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    SetMonitoringModeResponse_members  /* .members */
},
/* SetTriggeringRequest */
{
    UA_TYPENAME("SetTriggeringRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {773LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {775LU}}, /* .binaryEncodingId */
    sizeof(UA_SetTriggeringRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    SetTriggeringRequest_members  /* .members */
},
/* SetTriggeringResponse */
{
    UA_TYPENAME("SetTriggeringResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {776LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {778LU}}, /* .binaryEncodingId */
    sizeof(UA_SetTriggeringResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    SetTriggeringResponse_members  /* .members */
},
/* DeleteMonitoredItemsRequest */
{
    UA_TYPENAME("DeleteMonitoredItemsRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {779LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {781LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteMonitoredItemsRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    DeleteMonitoredItemsRequest_members  /* .members */
},
/* DeleteMonitoredItemsResponse */
{
    UA_TYPENAME("DeleteMonitoredItemsResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {782LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {784LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteMonitoredItemsResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    DeleteMonitoredItemsResponse_members  /* .members */
},
/* CreateSubscriptionRequest */
{
    UA_TYPENAME("CreateSubscriptionRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {785LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {787LU}}, /* .binaryEncodingId */
    sizeof(UA_CreateSubscriptionRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    CreateSubscriptionRequest_members  /* .members */
},
/* CreateSubscriptionResponse */
{
    UA_TYPENAME("CreateSubscriptionResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {788LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {790LU}}, /* .binaryEncodingId */
    sizeof(UA_CreateSubscriptionResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    CreateSubscriptionResponse_members  /* .members */
},
/* ModifySubscriptionRequest */
{
    UA_TYPENAME("ModifySubscriptionRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {791LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {793LU}}, /* .binaryEncodingId */
    sizeof(UA_ModifySubscriptionRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    ModifySubscriptionRequest_members  /* .members */
},
/* ModifySubscriptionResponse */
{
    UA_TYPENAME("ModifySubscriptionResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {794LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {796LU}}, /* .binaryEncodingId */
    sizeof(UA_ModifySubscriptionResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    ModifySubscriptionResponse_members  /* .members */
},
/* SetPublishingModeRequest */
{
    UA_TYPENAME("SetPublishingModeRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {797LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {799LU}}, /* .binaryEncodingId */
    sizeof(UA_SetPublishingModeRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    SetPublishingModeRequest_members  /* .members */
},
/* SetPublishingModeResponse */
{
    UA_TYPENAME("SetPublishingModeResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {800LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {802LU}}, /* .binaryEncodingId */
    sizeof(UA_SetPublishingModeResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    SetPublishingModeResponse_members  /* .members */
},
/* NotificationMessage */
{
    UA_TYPENAME("NotificationMessage") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {803LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {805LU}}, /* .binaryEncodingId */
    sizeof(UA_NotificationMessage), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    NotificationMessage_members  /* .members */
},
/* MonitoredItemNotification */
{
    UA_TYPENAME("MonitoredItemNotification") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {806LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {808LU}}, /* .binaryEncodingId */
    sizeof(UA_MonitoredItemNotification), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    MonitoredItemNotification_members  /* .members */
},
/* EventFieldList */
{
    UA_TYPENAME("EventFieldList") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {917LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {919LU}}, /* .binaryEncodingId */
    sizeof(UA_EventFieldList), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    EventFieldList_members  /* .members */
},
/* HistoryEventFieldList */
{
    UA_TYPENAME("HistoryEventFieldList") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {920LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {922LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryEventFieldList), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    HistoryEventFieldList_members  /* .members */
},
/* StatusChangeNotification */
{
    UA_TYPENAME("StatusChangeNotification") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {818LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {820LU}}, /* .binaryEncodingId */
    sizeof(UA_StatusChangeNotification), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    StatusChangeNotification_members  /* .members */
},
/* SubscriptionAcknowledgement */
{
    UA_TYPENAME("SubscriptionAcknowledgement") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {821LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {823LU}}, /* .binaryEncodingId */
    sizeof(UA_SubscriptionAcknowledgement), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    SubscriptionAcknowledgement_members  /* .members */
},
/* PublishRequest */
{
    UA_TYPENAME("PublishRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {824LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {826LU}}, /* .binaryEncodingId */
    sizeof(UA_PublishRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    PublishRequest_members  /* .members */
},
/* PublishResponse */
{
    UA_TYPENAME("PublishResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {827LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {829LU}}, /* .binaryEncodingId */
    sizeof(UA_PublishResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    7, /* .membersSize */
    PublishResponse_members  /* .members */
},
/* RepublishRequest */
{
    UA_TYPENAME("RepublishRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {830LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {832LU}}, /* .binaryEncodingId */
    sizeof(UA_RepublishRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    RepublishRequest_members  /* .members */
},
/* RepublishResponse */
{
    UA_TYPENAME("RepublishResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {833LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {835LU}}, /* .binaryEncodingId */
    sizeof(UA_RepublishResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    RepublishResponse_members  /* .members */
},
/* TransferResult */
{
    UA_TYPENAME("TransferResult") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {836LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {838LU}}, /* .binaryEncodingId */
    sizeof(UA_TransferResult), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    TransferResult_members  /* .members */
},
/* TransferSubscriptionsRequest */
{
    UA_TYPENAME("TransferSubscriptionsRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {839LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {841LU}}, /* .binaryEncodingId */
    sizeof(UA_TransferSubscriptionsRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    TransferSubscriptionsRequest_members  /* .members */
},
/* TransferSubscriptionsResponse */
{
    UA_TYPENAME("TransferSubscriptionsResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {842LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {844LU}}, /* .binaryEncodingId */
    sizeof(UA_TransferSubscriptionsResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    TransferSubscriptionsResponse_members  /* .members */
},
/* DeleteSubscriptionsRequest */
{
    UA_TYPENAME("DeleteSubscriptionsRequest") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {845LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {847LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteSubscriptionsRequest), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    DeleteSubscriptionsRequest_members  /* .members */
},
/* DeleteSubscriptionsResponse */
{
    UA_TYPENAME("DeleteSubscriptionsResponse") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {848LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {850LU}}, /* .binaryEncodingId */
    sizeof(UA_DeleteSubscriptionsResponse), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    DeleteSubscriptionsResponse_members  /* .members */
},
/* BuildInfo */
{
    UA_TYPENAME("BuildInfo") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {338LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {340LU}}, /* .binaryEncodingId */
    sizeof(UA_BuildInfo), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    BuildInfo_members  /* .members */
},
/* RedundancySupport */
{
    UA_TYPENAME("RedundancySupport") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {851LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_RedundancySupport), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    RedundancySupport_members  /* .members */
},
/* ServerState */
{
    UA_TYPENAME("ServerState") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {852LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_ServerState), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    ServerState_members  /* .members */
},
/* ServerDiagnosticsSummaryDataType */
{
    UA_TYPENAME("ServerDiagnosticsSummaryDataType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {859LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {861LU}}, /* .binaryEncodingId */
    sizeof(UA_ServerDiagnosticsSummaryDataType), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    12, /* .membersSize */
    ServerDiagnosticsSummaryDataType_members  /* .members */
},
/* ServerStatusDataType */
{
    UA_TYPENAME("ServerStatusDataType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {862LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {864LU}}, /* .binaryEncodingId */
    sizeof(UA_ServerStatusDataType), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    ServerStatusDataType_members  /* .members */
},
/* Range */
{
    UA_TYPENAME("Range") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {884LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {886LU}}, /* .binaryEncodingId */
    sizeof(UA_Range), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    Range_members  /* .members */
},
/* EUInformation */
{
    UA_TYPENAME("EUInformation") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {887LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {889LU}}, /* .binaryEncodingId */
    sizeof(UA_EUInformation), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    EUInformation_members  /* .members */
},
/* AxisScaleEnumeration */
{
    UA_TYPENAME("AxisScaleEnumeration") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {12077LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_AxisScaleEnumeration), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    AxisScaleEnumeration_members  /* .members */
},
/* ComplexNumberType */
{
    UA_TYPENAME("ComplexNumberType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {12171LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {12181LU}}, /* .binaryEncodingId */
    sizeof(UA_ComplexNumberType), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    ComplexNumberType_members  /* .members */
},
/* DoubleComplexNumberType */
{
    UA_TYPENAME("DoubleComplexNumberType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {12172LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {12182LU}}, /* .binaryEncodingId */
    sizeof(UA_DoubleComplexNumberType), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    DoubleComplexNumberType_members  /* .members */
},
/* AxisInformation */
{
    UA_TYPENAME("AxisInformation") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {12079LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {12089LU}}, /* .binaryEncodingId */
    sizeof(UA_AxisInformation), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    AxisInformation_members  /* .members */
},
/* XVType */
{
    UA_TYPENAME("XVType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {12080LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {12090LU}}, /* .binaryEncodingId */
    sizeof(UA_XVType), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    XVType_members  /* .members */
},
/* EnumDefinition */
{
    UA_TYPENAME("EnumDefinition") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {100LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {123LU}}, /* .binaryEncodingId */
    sizeof(UA_EnumDefinition), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    EnumDefinition_members  /* .members */
},
/* ReadEventDetails */
{
    UA_TYPENAME("ReadEventDetails") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {644LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {646LU}}, /* .binaryEncodingId */
    sizeof(UA_ReadEventDetails), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    4, /* .membersSize */
    ReadEventDetails_members  /* .members */
},
/* ReadProcessedDetails */
{
    UA_TYPENAME("ReadProcessedDetails") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {650LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {652LU}}, /* .binaryEncodingId */
    sizeof(UA_ReadProcessedDetails), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    ReadProcessedDetails_members  /* .members */
},
/* ModificationInfo */
{
    UA_TYPENAME("ModificationInfo") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {11216LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {11226LU}}, /* .binaryEncodingId */
    sizeof(UA_ModificationInfo), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    ModificationInfo_members  /* .members */
},
/* HistoryModifiedData */
{
    UA_TYPENAME("HistoryModifiedData") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {11217LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {11227LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryModifiedData), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    HistoryModifiedData_members  /* .members */
},
/* HistoryEvent */
{
    UA_TYPENAME("HistoryEvent") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {659LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {661LU}}, /* .binaryEncodingId */
    sizeof(UA_HistoryEvent), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    HistoryEvent_members  /* .members */
},
/* DataChangeNotification */
{
    UA_TYPENAME("DataChangeNotification") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {809LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {811LU}}, /* .binaryEncodingId */
    sizeof(UA_DataChangeNotification), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    DataChangeNotification_members  /* .members */
},
/* EventNotificationList */
{
    UA_TYPENAME("EventNotificationList") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {914LU}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {916LU}}, /* .binaryEncodingId */
    sizeof(UA_EventNotificationList), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    1, /* .membersSize */
    EventNotificationList_members  /* .members */
},
};


/**** amalgamated original file "/build/src_generated/open62541/transport_generated.c" ****/

/**********************************
 * Autogenerated -- do not modify *
 **********************************/


/* MessageType */
#define MessageType_members NULL

/* ChunkType */
#define ChunkType_members NULL

/* TcpMessageHeader */
static UA_DataTypeMember TcpMessageHeader_members[2] = {
{
    UA_TYPENAME("MessageTypeAndChunkType") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MessageSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpMessageHeader, messageSize) - offsetof(UA_TcpMessageHeader, messageTypeAndChunkType) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* TcpHelloMessage */
static UA_DataTypeMember TcpHelloMessage_members[6] = {
{
    UA_TYPENAME("ProtocolVersion") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReceiveBufferSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpHelloMessage, receiveBufferSize) - offsetof(UA_TcpHelloMessage, protocolVersion) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SendBufferSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpHelloMessage, sendBufferSize) - offsetof(UA_TcpHelloMessage, receiveBufferSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxMessageSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpHelloMessage, maxMessageSize) - offsetof(UA_TcpHelloMessage, sendBufferSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxChunkCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpHelloMessage, maxChunkCount) - offsetof(UA_TcpHelloMessage, maxMessageSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("EndpointUrl") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_TcpHelloMessage, endpointUrl) - offsetof(UA_TcpHelloMessage, maxChunkCount) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* TcpAcknowledgeMessage */
static UA_DataTypeMember TcpAcknowledgeMessage_members[5] = {
{
    UA_TYPENAME("ProtocolVersion") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReceiveBufferSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpAcknowledgeMessage, receiveBufferSize) - offsetof(UA_TcpAcknowledgeMessage, protocolVersion) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SendBufferSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpAcknowledgeMessage, sendBufferSize) - offsetof(UA_TcpAcknowledgeMessage, receiveBufferSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxMessageSize") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpAcknowledgeMessage, maxMessageSize) - offsetof(UA_TcpAcknowledgeMessage, sendBufferSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("MaxChunkCount") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_TcpAcknowledgeMessage, maxChunkCount) - offsetof(UA_TcpAcknowledgeMessage, maxMessageSize) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* TcpErrorMessage */
static UA_DataTypeMember TcpErrorMessage_members[2] = {
{
    UA_TYPENAME("Error") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("Reason") /* .memberName */
    &UA_TYPES[UA_TYPES_STRING], /* .memberType */
    offsetof(UA_TcpErrorMessage, reason) - offsetof(UA_TcpErrorMessage, error) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* AsymmetricAlgorithmSecurityHeader */
static UA_DataTypeMember AsymmetricAlgorithmSecurityHeader_members[3] = {
{
    UA_TYPENAME("SecurityPolicyUri") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("SenderCertificate") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_AsymmetricAlgorithmSecurityHeader, senderCertificate) - offsetof(UA_AsymmetricAlgorithmSecurityHeader, securityPolicyUri) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("ReceiverCertificateThumbprint") /* .memberName */
    &UA_TYPES[UA_TYPES_BYTESTRING], /* .memberType */
    offsetof(UA_AsymmetricAlgorithmSecurityHeader, receiverCertificateThumbprint) - offsetof(UA_AsymmetricAlgorithmSecurityHeader, senderCertificate) - sizeof(UA_ByteString), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};

/* SequenceHeader */
static UA_DataTypeMember SequenceHeader_members[2] = {
{
    UA_TYPENAME("SequenceNumber") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    0, /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},
{
    UA_TYPENAME("RequestId") /* .memberName */
    &UA_TYPES[UA_TYPES_UINT32], /* .memberType */
    offsetof(UA_SequenceHeader, requestId) - offsetof(UA_SequenceHeader, sequenceNumber) - sizeof(UA_UInt32), /* .padding */
    false, /* .isArray */
    false  /* .isOptional */
},};
const UA_DataType UA_TRANSPORT[UA_TRANSPORT_COUNT] = {
/* MessageType */
{
    UA_TYPENAME("MessageType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_MessageType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    MessageType_members  /* .members */
},
/* ChunkType */
{
    UA_TYPENAME("ChunkType") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_ChunkType), /* .memSize */
    UA_DATATYPEKIND_ENUM, /* .typeKind */
    true, /* .pointerFree */
    UA_BINARY_OVERLAYABLE_INTEGER, /* .overlayable */
    0, /* .membersSize */
    ChunkType_members  /* .members */
},
/* TcpMessageHeader */
{
    UA_TYPENAME("TcpMessageHeader") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_TcpMessageHeader), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    TcpMessageHeader_members  /* .members */
},
/* TcpHelloMessage */
{
    UA_TYPENAME("TcpHelloMessage") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_TcpHelloMessage), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    6, /* .membersSize */
    TcpHelloMessage_members  /* .members */
},
/* TcpAcknowledgeMessage */
{
    UA_TYPENAME("TcpAcknowledgeMessage") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_TcpAcknowledgeMessage), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    5, /* .membersSize */
    TcpAcknowledgeMessage_members  /* .members */
},
/* TcpErrorMessage */
{
    UA_TYPENAME("TcpErrorMessage") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_TcpErrorMessage), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    TcpErrorMessage_members  /* .members */
},
/* AsymmetricAlgorithmSecurityHeader */
{
    UA_TYPENAME("AsymmetricAlgorithmSecurityHeader") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_AsymmetricAlgorithmSecurityHeader), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    false, /* .pointerFree */
    false, /* .overlayable */
    3, /* .membersSize */
    AsymmetricAlgorithmSecurityHeader_members  /* .members */
},
/* SequenceHeader */
{
    UA_TYPENAME("SequenceHeader") /* .typeName */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .typeId */
    {0, UA_NODEIDTYPE_NUMERIC, {0}}, /* .binaryEncodingId */
    sizeof(UA_SequenceHeader), /* .memSize */
    UA_DATATYPEKIND_STRUCTURE, /* .typeKind */
    true, /* .pointerFree */
    false, /* .overlayable */
    2, /* .membersSize */
    SequenceHeader_members  /* .members */
},
};


/**** amalgamated original file "/build/src_generated/open62541/statuscodes.c" ****/

/**********************************
 * Autogenerated -- do not modify *
 **********************************/


typedef struct {
    UA_StatusCode code;
    const char *name;
} UA_StatusCodeName;

#ifndef UA_ENABLE_STATUSCODE_DESCRIPTIONS
static const char * emptyStatusCodeName = "";
const char * UA_StatusCode_name(UA_StatusCode code) {
    return emptyStatusCodeName;
}
#else
static const size_t statusCodeDescriptionsSize = 252;
static const UA_StatusCodeName statusCodeDescriptions[252] = {
    {UA_STATUSCODE_GOOD, "Good"},
    {UA_STATUSCODE_GOOD, "Good"},
    {UA_STATUSCODE_UNCERTAIN, "Uncertain"},
    {UA_STATUSCODE_BAD, "Bad"},
    {UA_STATUSCODE_BADUNEXPECTEDERROR, "BadUnexpectedError"},
    {UA_STATUSCODE_BADINTERNALERROR, "BadInternalError"},
    {UA_STATUSCODE_BADOUTOFMEMORY, "BadOutOfMemory"},
    {UA_STATUSCODE_BADRESOURCEUNAVAILABLE, "BadResourceUnavailable"},
    {UA_STATUSCODE_BADCOMMUNICATIONERROR, "BadCommunicationError"},
    {UA_STATUSCODE_BADENCODINGERROR, "BadEncodingError"},
    {UA_STATUSCODE_BADDECODINGERROR, "BadDecodingError"},
    {UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED, "BadEncodingLimitsExceeded"},
    {UA_STATUSCODE_BADREQUESTTOOLARGE, "BadRequestTooLarge"},
    {UA_STATUSCODE_BADRESPONSETOOLARGE, "BadResponseTooLarge"},
    {UA_STATUSCODE_BADUNKNOWNRESPONSE, "BadUnknownResponse"},
    {UA_STATUSCODE_BADTIMEOUT, "BadTimeout"},
    {UA_STATUSCODE_BADSERVICEUNSUPPORTED, "BadServiceUnsupported"},
    {UA_STATUSCODE_BADSHUTDOWN, "BadShutdown"},
    {UA_STATUSCODE_BADSERVERNOTCONNECTED, "BadServerNotConnected"},
    {UA_STATUSCODE_BADSERVERHALTED, "BadServerHalted"},
    {UA_STATUSCODE_BADNOTHINGTODO, "BadNothingToDo"},
    {UA_STATUSCODE_BADTOOMANYOPERATIONS, "BadTooManyOperations"},
    {UA_STATUSCODE_BADTOOMANYMONITOREDITEMS, "BadTooManyMonitoredItems"},
    {UA_STATUSCODE_BADDATATYPEIDUNKNOWN, "BadDataTypeIdUnknown"},
    {UA_STATUSCODE_BADCERTIFICATEINVALID, "BadCertificateInvalid"},
    {UA_STATUSCODE_BADSECURITYCHECKSFAILED, "BadSecurityChecksFailed"},
    {UA_STATUSCODE_BADCERTIFICATEPOLICYCHECKFAILED, "BadCertificatePolicyCheckFailed"},
    {UA_STATUSCODE_BADCERTIFICATETIMEINVALID, "BadCertificateTimeInvalid"},
    {UA_STATUSCODE_BADCERTIFICATEISSUERTIMEINVALID, "BadCertificateIssuerTimeInvalid"},
    {UA_STATUSCODE_BADCERTIFICATEHOSTNAMEINVALID, "BadCertificateHostNameInvalid"},
    {UA_STATUSCODE_BADCERTIFICATEURIINVALID, "BadCertificateUriInvalid"},
    {UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED, "BadCertificateUseNotAllowed"},
    {UA_STATUSCODE_BADCERTIFICATEISSUERUSENOTALLOWED, "BadCertificateIssuerUseNotAllowed"},
    {UA_STATUSCODE_BADCERTIFICATEUNTRUSTED, "BadCertificateUntrusted"},
    {UA_STATUSCODE_BADCERTIFICATEREVOCATIONUNKNOWN, "BadCertificateRevocationUnknown"},
    {UA_STATUSCODE_BADCERTIFICATEISSUERREVOCATIONUNKNOWN, "BadCertificateIssuerRevocationUnknown"},
    {UA_STATUSCODE_BADCERTIFICATEREVOKED, "BadCertificateRevoked"},
    {UA_STATUSCODE_BADCERTIFICATEISSUERREVOKED, "BadCertificateIssuerRevoked"},
    {UA_STATUSCODE_BADCERTIFICATECHAININCOMPLETE, "BadCertificateChainIncomplete"},
    {UA_STATUSCODE_BADUSERACCESSDENIED, "BadUserAccessDenied"},
    {UA_STATUSCODE_BADIDENTITYTOKENINVALID, "BadIdentityTokenInvalid"},
    {UA_STATUSCODE_BADIDENTITYTOKENREJECTED, "BadIdentityTokenRejected"},
    {UA_STATUSCODE_BADSECURECHANNELIDINVALID, "BadSecureChannelIdInvalid"},
    {UA_STATUSCODE_BADINVALIDTIMESTAMP, "BadInvalidTimestamp"},
    {UA_STATUSCODE_BADNONCEINVALID, "BadNonceInvalid"},
    {UA_STATUSCODE_BADSESSIONIDINVALID, "BadSessionIdInvalid"},
    {UA_STATUSCODE_BADSESSIONCLOSED, "BadSessionClosed"},
    {UA_STATUSCODE_BADSESSIONNOTACTIVATED, "BadSessionNotActivated"},
    {UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID, "BadSubscriptionIdInvalid"},
    {UA_STATUSCODE_BADREQUESTHEADERINVALID, "BadRequestHeaderInvalid"},
    {UA_STATUSCODE_BADTIMESTAMPSTORETURNINVALID, "BadTimestampsToReturnInvalid"},
    {UA_STATUSCODE_BADREQUESTCANCELLEDBYCLIENT, "BadRequestCancelledByClient"},
    {UA_STATUSCODE_BADTOOMANYARGUMENTS, "BadTooManyArguments"},
    {UA_STATUSCODE_BADLICENSEEXPIRED, "BadLicenseExpired"},
    {UA_STATUSCODE_BADLICENSELIMITSEXCEEDED, "BadLicenseLimitsExceeded"},
    {UA_STATUSCODE_BADLICENSENOTAVAILABLE, "BadLicenseNotAvailable"},
    {UA_STATUSCODE_GOODSUBSCRIPTIONTRANSFERRED, "GoodSubscriptionTransferred"},
    {UA_STATUSCODE_GOODCOMPLETESASYNCHRONOUSLY, "GoodCompletesAsynchronously"},
    {UA_STATUSCODE_GOODOVERLOAD, "GoodOverload"},
    {UA_STATUSCODE_GOODCLAMPED, "GoodClamped"},
    {UA_STATUSCODE_BADNOCOMMUNICATION, "BadNoCommunication"},
    {UA_STATUSCODE_BADWAITINGFORINITIALDATA, "BadWaitingForInitialData"},
    {UA_STATUSCODE_BADNODEIDINVALID, "BadNodeIdInvalid"},
    {UA_STATUSCODE_BADNODEIDUNKNOWN, "BadNodeIdUnknown"},
    {UA_STATUSCODE_BADATTRIBUTEIDINVALID, "BadAttributeIdInvalid"},
    {UA_STATUSCODE_BADINDEXRANGEINVALID, "BadIndexRangeInvalid"},
    {UA_STATUSCODE_BADINDEXRANGENODATA, "BadIndexRangeNoData"},
    {UA_STATUSCODE_BADDATAENCODINGINVALID, "BadDataEncodingInvalid"},
    {UA_STATUSCODE_BADDATAENCODINGUNSUPPORTED, "BadDataEncodingUnsupported"},
    {UA_STATUSCODE_BADNOTREADABLE, "BadNotReadable"},
    {UA_STATUSCODE_BADNOTWRITABLE, "BadNotWritable"},
    {UA_STATUSCODE_BADOUTOFRANGE, "BadOutOfRange"},
    {UA_STATUSCODE_BADNOTSUPPORTED, "BadNotSupported"},
    {UA_STATUSCODE_BADNOTFOUND, "BadNotFound"},
    {UA_STATUSCODE_BADOBJECTDELETED, "BadObjectDeleted"},
    {UA_STATUSCODE_BADNOTIMPLEMENTED, "BadNotImplemented"},
    {UA_STATUSCODE_BADMONITORINGMODEINVALID, "BadMonitoringModeInvalid"},
    {UA_STATUSCODE_BADMONITOREDITEMIDINVALID, "BadMonitoredItemIdInvalid"},
    {UA_STATUSCODE_BADMONITOREDITEMFILTERINVALID, "BadMonitoredItemFilterInvalid"},
    {UA_STATUSCODE_BADMONITOREDITEMFILTERUNSUPPORTED, "BadMonitoredItemFilterUnsupported"},
    {UA_STATUSCODE_BADFILTERNOTALLOWED, "BadFilterNotAllowed"},
    {UA_STATUSCODE_BADSTRUCTUREMISSING, "BadStructureMissing"},
    {UA_STATUSCODE_BADEVENTFILTERINVALID, "BadEventFilterInvalid"},
    {UA_STATUSCODE_BADCONTENTFILTERINVALID, "BadContentFilterInvalid"},
    {UA_STATUSCODE_BADFILTEROPERATORINVALID, "BadFilterOperatorInvalid"},
    {UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED, "BadFilterOperatorUnsupported"},
    {UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH, "BadFilterOperandCountMismatch"},
    {UA_STATUSCODE_BADFILTEROPERANDINVALID, "BadFilterOperandInvalid"},
    {UA_STATUSCODE_BADFILTERELEMENTINVALID, "BadFilterElementInvalid"},
    {UA_STATUSCODE_BADFILTERLITERALINVALID, "BadFilterLiteralInvalid"},
    {UA_STATUSCODE_BADCONTINUATIONPOINTINVALID, "BadContinuationPointInvalid"},
    {UA_STATUSCODE_BADNOCONTINUATIONPOINTS, "BadNoContinuationPoints"},
    {UA_STATUSCODE_BADREFERENCETYPEIDINVALID, "BadReferenceTypeIdInvalid"},
    {UA_STATUSCODE_BADBROWSEDIRECTIONINVALID, "BadBrowseDirectionInvalid"},
    {UA_STATUSCODE_BADNODENOTINVIEW, "BadNodeNotInView"},
    {UA_STATUSCODE_BADNUMERICOVERFLOW, "BadNumericOverflow"},
    {UA_STATUSCODE_BADSERVERURIINVALID, "BadServerUriInvalid"},
    {UA_STATUSCODE_BADSERVERNAMEMISSING, "BadServerNameMissing"},
    {UA_STATUSCODE_BADDISCOVERYURLMISSING, "BadDiscoveryUrlMissing"},
    {UA_STATUSCODE_BADSEMPAHOREFILEMISSING, "BadSempahoreFileMissing"},
    {UA_STATUSCODE_BADREQUESTTYPEINVALID, "BadRequestTypeInvalid"},
    {UA_STATUSCODE_BADSECURITYMODEREJECTED, "BadSecurityModeRejected"},
    {UA_STATUSCODE_BADSECURITYPOLICYREJECTED, "BadSecurityPolicyRejected"},
    {UA_STATUSCODE_BADTOOMANYSESSIONS, "BadTooManySessions"},
    {UA_STATUSCODE_BADUSERSIGNATUREINVALID, "BadUserSignatureInvalid"},
    {UA_STATUSCODE_BADAPPLICATIONSIGNATUREINVALID, "BadApplicationSignatureInvalid"},
    {UA_STATUSCODE_BADNOVALIDCERTIFICATES, "BadNoValidCertificates"},
    {UA_STATUSCODE_BADIDENTITYCHANGENOTSUPPORTED, "BadIdentityChangeNotSupported"},
    {UA_STATUSCODE_BADREQUESTCANCELLEDBYREQUEST, "BadRequestCancelledByRequest"},
    {UA_STATUSCODE_BADPARENTNODEIDINVALID, "BadParentNodeIdInvalid"},
    {UA_STATUSCODE_BADREFERENCENOTALLOWED, "BadReferenceNotAllowed"},
    {UA_STATUSCODE_BADNODEIDREJECTED, "BadNodeIdRejected"},
    {UA_STATUSCODE_BADNODEIDEXISTS, "BadNodeIdExists"},
    {UA_STATUSCODE_BADNODECLASSINVALID, "BadNodeClassInvalid"},
    {UA_STATUSCODE_BADBROWSENAMEINVALID, "BadBrowseNameInvalid"},
    {UA_STATUSCODE_BADBROWSENAMEDUPLICATED, "BadBrowseNameDuplicated"},
    {UA_STATUSCODE_BADNODEATTRIBUTESINVALID, "BadNodeAttributesInvalid"},
    {UA_STATUSCODE_BADTYPEDEFINITIONINVALID, "BadTypeDefinitionInvalid"},
    {UA_STATUSCODE_BADSOURCENODEIDINVALID, "BadSourceNodeIdInvalid"},
    {UA_STATUSCODE_BADTARGETNODEIDINVALID, "BadTargetNodeIdInvalid"},
    {UA_STATUSCODE_BADDUPLICATEREFERENCENOTALLOWED, "BadDuplicateReferenceNotAllowed"},
    {UA_STATUSCODE_BADINVALIDSELFREFERENCE, "BadInvalidSelfReference"},
    {UA_STATUSCODE_BADREFERENCELOCALONLY, "BadReferenceLocalOnly"},
    {UA_STATUSCODE_BADNODELETERIGHTS, "BadNoDeleteRights"},
    {UA_STATUSCODE_UNCERTAINREFERENCENOTDELETED, "UncertainReferenceNotDeleted"},
    {UA_STATUSCODE_BADSERVERINDEXINVALID, "BadServerIndexInvalid"},
    {UA_STATUSCODE_BADVIEWIDUNKNOWN, "BadViewIdUnknown"},
    {UA_STATUSCODE_BADVIEWTIMESTAMPINVALID, "BadViewTimestampInvalid"},
    {UA_STATUSCODE_BADVIEWPARAMETERMISMATCH, "BadViewParameterMismatch"},
    {UA_STATUSCODE_BADVIEWVERSIONINVALID, "BadViewVersionInvalid"},
    {UA_STATUSCODE_UNCERTAINNOTALLNODESAVAILABLE, "UncertainNotAllNodesAvailable"},
    {UA_STATUSCODE_GOODRESULTSMAYBEINCOMPLETE, "GoodResultsMayBeIncomplete"},
    {UA_STATUSCODE_BADNOTTYPEDEFINITION, "BadNotTypeDefinition"},
    {UA_STATUSCODE_UNCERTAINREFERENCEOUTOFSERVER, "UncertainReferenceOutOfServer"},
    {UA_STATUSCODE_BADTOOMANYMATCHES, "BadTooManyMatches"},
    {UA_STATUSCODE_BADQUERYTOOCOMPLEX, "BadQueryTooComplex"},
    {UA_STATUSCODE_BADNOMATCH, "BadNoMatch"},
    {UA_STATUSCODE_BADMAXAGEINVALID, "BadMaxAgeInvalid"},
    {UA_STATUSCODE_BADSECURITYMODEINSUFFICIENT, "BadSecurityModeInsufficient"},
    {UA_STATUSCODE_BADHISTORYOPERATIONINVALID, "BadHistoryOperationInvalid"},
    {UA_STATUSCODE_BADHISTORYOPERATIONUNSUPPORTED, "BadHistoryOperationUnsupported"},
    {UA_STATUSCODE_BADINVALIDTIMESTAMPARGUMENT, "BadInvalidTimestampArgument"},
    {UA_STATUSCODE_BADWRITENOTSUPPORTED, "BadWriteNotSupported"},
    {UA_STATUSCODE_BADTYPEMISMATCH, "BadTypeMismatch"},
    {UA_STATUSCODE_BADMETHODINVALID, "BadMethodInvalid"},
    {UA_STATUSCODE_BADARGUMENTSMISSING, "BadArgumentsMissing"},
    {UA_STATUSCODE_BADNOTEXECUTABLE, "BadNotExecutable"},
    {UA_STATUSCODE_BADTOOMANYSUBSCRIPTIONS, "BadTooManySubscriptions"},
    {UA_STATUSCODE_BADTOOMANYPUBLISHREQUESTS, "BadTooManyPublishRequests"},
    {UA_STATUSCODE_BADNOSUBSCRIPTION, "BadNoSubscription"},
    {UA_STATUSCODE_BADSEQUENCENUMBERUNKNOWN, "BadSequenceNumberUnknown"},
    {UA_STATUSCODE_GOODRETRANSMISSIONQUEUENOTSUPPORTED, "GoodRetransmissionQueueNotSupported"},
    {UA_STATUSCODE_BADMESSAGENOTAVAILABLE, "BadMessageNotAvailable"},
    {UA_STATUSCODE_BADINSUFFICIENTCLIENTPROFILE, "BadInsufficientClientProfile"},
    {UA_STATUSCODE_BADSTATENOTACTIVE, "BadStateNotActive"},
    {UA_STATUSCODE_BADALREADYEXISTS, "BadAlreadyExists"},
    {UA_STATUSCODE_BADTCPSERVERTOOBUSY, "BadTcpServerTooBusy"},
    {UA_STATUSCODE_BADTCPMESSAGETYPEINVALID, "BadTcpMessageTypeInvalid"},
    {UA_STATUSCODE_BADTCPSECURECHANNELUNKNOWN, "BadTcpSecureChannelUnknown"},
    {UA_STATUSCODE_BADTCPMESSAGETOOLARGE, "BadTcpMessageTooLarge"},
    {UA_STATUSCODE_BADTCPNOTENOUGHRESOURCES, "BadTcpNotEnoughResources"},
    {UA_STATUSCODE_BADTCPINTERNALERROR, "BadTcpInternalError"},
    {UA_STATUSCODE_BADTCPENDPOINTURLINVALID, "BadTcpEndpointUrlInvalid"},
    {UA_STATUSCODE_BADREQUESTINTERRUPTED, "BadRequestInterrupted"},
    {UA_STATUSCODE_BADREQUESTTIMEOUT, "BadRequestTimeout"},
    {UA_STATUSCODE_BADSECURECHANNELCLOSED, "BadSecureChannelClosed"},
    {UA_STATUSCODE_BADSECURECHANNELTOKENUNKNOWN, "BadSecureChannelTokenUnknown"},
    {UA_STATUSCODE_BADSEQUENCENUMBERINVALID, "BadSequenceNumberInvalid"},
    {UA_STATUSCODE_BADPROTOCOLVERSIONUNSUPPORTED, "BadProtocolVersionUnsupported"},
    {UA_STATUSCODE_BADCONFIGURATIONERROR, "BadConfigurationError"},
    {UA_STATUSCODE_BADNOTCONNECTED, "BadNotConnected"},
    {UA_STATUSCODE_BADDEVICEFAILURE, "BadDeviceFailure"},
    {UA_STATUSCODE_BADSENSORFAILURE, "BadSensorFailure"},
    {UA_STATUSCODE_BADOUTOFSERVICE, "BadOutOfService"},
    {UA_STATUSCODE_BADDEADBANDFILTERINVALID, "BadDeadbandFilterInvalid"},
    {UA_STATUSCODE_UNCERTAINNOCOMMUNICATIONLASTUSABLEVALUE, "UncertainNoCommunicationLastUsableValue"},
    {UA_STATUSCODE_UNCERTAINLASTUSABLEVALUE, "UncertainLastUsableValue"},
    {UA_STATUSCODE_UNCERTAINSUBSTITUTEVALUE, "UncertainSubstituteValue"},
    {UA_STATUSCODE_UNCERTAININITIALVALUE, "UncertainInitialValue"},
    {UA_STATUSCODE_UNCERTAINSENSORNOTACCURATE, "UncertainSensorNotAccurate"},
    {UA_STATUSCODE_UNCERTAINENGINEERINGUNITSEXCEEDED, "UncertainEngineeringUnitsExceeded"},
    {UA_STATUSCODE_UNCERTAINSUBNORMAL, "UncertainSubNormal"},
    {UA_STATUSCODE_GOODLOCALOVERRIDE, "GoodLocalOverride"},
    {UA_STATUSCODE_BADREFRESHINPROGRESS, "BadRefreshInProgress"},
    {UA_STATUSCODE_BADCONDITIONALREADYDISABLED, "BadConditionAlreadyDisabled"},
    {UA_STATUSCODE_BADCONDITIONALREADYENABLED, "BadConditionAlreadyEnabled"},
    {UA_STATUSCODE_BADCONDITIONDISABLED, "BadConditionDisabled"},
    {UA_STATUSCODE_BADEVENTIDUNKNOWN, "BadEventIdUnknown"},
    {UA_STATUSCODE_BADEVENTNOTACKNOWLEDGEABLE, "BadEventNotAcknowledgeable"},
    {UA_STATUSCODE_BADDIALOGNOTACTIVE, "BadDialogNotActive"},
    {UA_STATUSCODE_BADDIALOGRESPONSEINVALID, "BadDialogResponseInvalid"},
    {UA_STATUSCODE_BADCONDITIONBRANCHALREADYACKED, "BadConditionBranchAlreadyAcked"},
    {UA_STATUSCODE_BADCONDITIONBRANCHALREADYCONFIRMED, "BadConditionBranchAlreadyConfirmed"},
    {UA_STATUSCODE_BADCONDITIONALREADYSHELVED, "BadConditionAlreadyShelved"},
    {UA_STATUSCODE_BADCONDITIONNOTSHELVED, "BadConditionNotShelved"},
    {UA_STATUSCODE_BADSHELVINGTIMEOUTOFRANGE, "BadShelvingTimeOutOfRange"},
    {UA_STATUSCODE_BADNODATA, "BadNoData"},
    {UA_STATUSCODE_BADBOUNDNOTFOUND, "BadBoundNotFound"},
    {UA_STATUSCODE_BADBOUNDNOTSUPPORTED, "BadBoundNotSupported"},
    {UA_STATUSCODE_BADDATALOST, "BadDataLost"},
    {UA_STATUSCODE_BADDATAUNAVAILABLE, "BadDataUnavailable"},
    {UA_STATUSCODE_BADENTRYEXISTS, "BadEntryExists"},
    {UA_STATUSCODE_BADNOENTRYEXISTS, "BadNoEntryExists"},
    {UA_STATUSCODE_BADTIMESTAMPNOTSUPPORTED, "BadTimestampNotSupported"},
    {UA_STATUSCODE_GOODENTRYINSERTED, "GoodEntryInserted"},
    {UA_STATUSCODE_GOODENTRYREPLACED, "GoodEntryReplaced"},
    {UA_STATUSCODE_UNCERTAINDATASUBNORMAL, "UncertainDataSubNormal"},
    {UA_STATUSCODE_GOODNODATA, "GoodNoData"},
    {UA_STATUSCODE_GOODMOREDATA, "GoodMoreData"},
    {UA_STATUSCODE_BADAGGREGATELISTMISMATCH, "BadAggregateListMismatch"},
    {UA_STATUSCODE_BADAGGREGATENOTSUPPORTED, "BadAggregateNotSupported"},
    {UA_STATUSCODE_BADAGGREGATEINVALIDINPUTS, "BadAggregateInvalidInputs"},
    {UA_STATUSCODE_BADAGGREGATECONFIGURATIONREJECTED, "BadAggregateConfigurationRejected"},
    {UA_STATUSCODE_GOODDATAIGNORED, "GoodDataIgnored"},
    {UA_STATUSCODE_BADREQUESTNOTALLOWED, "BadRequestNotAllowed"},
    {UA_STATUSCODE_BADREQUESTNOTCOMPLETE, "BadRequestNotComplete"},
    {UA_STATUSCODE_BADTICKETREQUIRED, "BadTicketRequired"},
    {UA_STATUSCODE_BADTICKETINVALID, "BadTicketInvalid"},
    {UA_STATUSCODE_GOODEDITED, "GoodEdited"},
    {UA_STATUSCODE_GOODPOSTACTIONFAILED, "GoodPostActionFailed"},
    {UA_STATUSCODE_UNCERTAINDOMINANTVALUECHANGED, "UncertainDominantValueChanged"},
    {UA_STATUSCODE_GOODDEPENDENTVALUECHANGED, "GoodDependentValueChanged"},
    {UA_STATUSCODE_BADDOMINANTVALUECHANGED, "BadDominantValueChanged"},
    {UA_STATUSCODE_UNCERTAINDEPENDENTVALUECHANGED, "UncertainDependentValueChanged"},
    {UA_STATUSCODE_BADDEPENDENTVALUECHANGED, "BadDependentValueChanged"},
    {UA_STATUSCODE_GOODEDITED_DEPENDENTVALUECHANGED, "GoodEdited_DependentValueChanged"},
    {UA_STATUSCODE_GOODEDITED_DOMINANTVALUECHANGED, "GoodEdited_DominantValueChanged"},
    {UA_STATUSCODE_GOODEDITED_DOMINANTVALUECHANGED_DEPENDENTVALUECHANGED, "GoodEdited_DominantValueChanged_DependentValueChanged"},
    {UA_STATUSCODE_BADEDITED_OUTOFRANGE, "BadEdited_OutOfRange"},
    {UA_STATUSCODE_BADINITIALVALUE_OUTOFRANGE, "BadInitialValue_OutOfRange"},
    {UA_STATUSCODE_BADOUTOFRANGE_DOMINANTVALUECHANGED, "BadOutOfRange_DominantValueChanged"},
    {UA_STATUSCODE_BADEDITED_OUTOFRANGE_DOMINANTVALUECHANGED, "BadEdited_OutOfRange_DominantValueChanged"},
    {UA_STATUSCODE_BADOUTOFRANGE_DOMINANTVALUECHANGED_DEPENDENTVALUECHANGED, "BadOutOfRange_DominantValueChanged_DependentValueChanged"},
    {UA_STATUSCODE_BADEDITED_OUTOFRANGE_DOMINANTVALUECHANGED_DEPENDENTVALUECHANGED, "BadEdited_OutOfRange_DominantValueChanged_DependentValueChanged"},
    {UA_STATUSCODE_GOODCOMMUNICATIONEVENT, "GoodCommunicationEvent"},
    {UA_STATUSCODE_GOODSHUTDOWNEVENT, "GoodShutdownEvent"},
    {UA_STATUSCODE_GOODCALLAGAIN, "GoodCallAgain"},
    {UA_STATUSCODE_GOODNONCRITICALTIMEOUT, "GoodNonCriticalTimeout"},
    {UA_STATUSCODE_BADINVALIDARGUMENT, "BadInvalidArgument"},
    {UA_STATUSCODE_BADCONNECTIONREJECTED, "BadConnectionRejected"},
    {UA_STATUSCODE_BADDISCONNECT, "BadDisconnect"},
    {UA_STATUSCODE_BADCONNECTIONCLOSED, "BadConnectionClosed"},
    {UA_STATUSCODE_BADINVALIDSTATE, "BadInvalidState"},
    {UA_STATUSCODE_BADENDOFSTREAM, "BadEndOfStream"},
    {UA_STATUSCODE_BADNODATAAVAILABLE, "BadNoDataAvailable"},
    {UA_STATUSCODE_BADWAITINGFORRESPONSE, "BadWaitingForResponse"},
    {UA_STATUSCODE_BADOPERATIONABANDONED, "BadOperationAbandoned"},
    {UA_STATUSCODE_BADEXPECTEDSTREAMTOBLOCK, "BadExpectedStreamToBlock"},
    {UA_STATUSCODE_BADWOULDBLOCK, "BadWouldBlock"},
    {UA_STATUSCODE_BADSYNTAXERROR, "BadSyntaxError"},
    {UA_STATUSCODE_BADMAXCONNECTIONSREACHED, "BadMaxConnectionsReached"},
    {0xffffffff, "Unknown StatusCode"}
};

const char * UA_StatusCode_name(UA_StatusCode code) {
    for (size_t i = 0; i < statusCodeDescriptionsSize; ++i) {
        if (UA_StatusCode_isEqualTop(statusCodeDescriptions[i].code,code))
            return statusCodeDescriptions[i].name;
    }
    return statusCodeDescriptions[statusCodeDescriptionsSize-1].name;
}

#endif

/**** amalgamated original file "/src/ua_util.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014, 2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014 (c) Florian Palm
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */



size_t
UA_readNumberWithBase(const UA_Byte *buf, size_t buflen, UA_UInt32 *number, UA_Byte base) {
    UA_assert(buf);
    UA_assert(number);
    u32 n = 0;
    size_t progress = 0;
    /* read numbers until the end or a non-number character appears */
    while(progress < buflen) {
        u8 c = buf[progress];
        if(c >= '0' && c <= '9' && c <= '0' + (base-1))
           n = (n * base) + c - '0';
        else if(base > 9 && c >= 'a' && c <= 'z' && c <= 'a' + (base-11))
           n = (n * base) + c-'a' + 10;
        else if(base > 9 && c >= 'A' && c <= 'Z' && c <= 'A' + (base-11))
           n = (n * base) + c-'A' + 10;
        else
           break;
        ++progress;
    }
    *number = n;
    return progress;
}

size_t
UA_readNumber(const UA_Byte *buf, size_t buflen, UA_UInt32 *number) {
    return UA_readNumberWithBase(buf, buflen, number, 10);
}

UA_StatusCode
UA_parseEndpointUrl(const UA_String *endpointUrl, UA_String *outHostname,
                    u16 *outPort, UA_String *outPath) {
    UA_Boolean ipv6 = false;

    /* Url must begin with "opc.tcp://" or opc.udp:// (if pubsub enabled) */
    if(endpointUrl->length < 11) {
        return UA_STATUSCODE_BADTCPENDPOINTURLINVALID;
    }
    if (strncmp((char*)endpointUrl->data, "opc.tcp://", 10) != 0) {
#ifdef UA_ENABLE_PUBSUB
        if (strncmp((char*)endpointUrl->data, "opc.udp://", 10) != 0 &&
                strncmp((char*)endpointUrl->data, "opc.mqtt://", 11) != 0) {
            return UA_STATUSCODE_BADTCPENDPOINTURLINVALID;
        }
#else
        return UA_STATUSCODE_BADTCPENDPOINTURLINVALID;
#endif
    }

    /* Where does the hostname end? */
    size_t curr = 10;
    if(endpointUrl->data[curr] == '[') {
        /* IPv6: opc.tcp://[2001:0db8:85a3::8a2e:0370:7334]:1234/path */
        for(; curr < endpointUrl->length; ++curr) {
            if(endpointUrl->data[curr] == ']')
                break;
        }
        if(curr == endpointUrl->length)
            return UA_STATUSCODE_BADTCPENDPOINTURLINVALID;
        curr++;
        ipv6 = true;
    } else {
        /* IPv4 or hostname: opc.tcp://something.something:1234/path */
        for(; curr < endpointUrl->length; ++curr) {
            if(endpointUrl->data[curr] == ':' || endpointUrl->data[curr] == '/')
                break;
        }
    }

    /* Set the hostname */
    if(ipv6) {
        /* Skip the ipv6 '[]' container for getaddrinfo() later */
        outHostname->data = &endpointUrl->data[11];
        outHostname->length = curr - 12;
    } else {
        outHostname->data = &endpointUrl->data[10];
        outHostname->length = curr - 10;
    }

    /* Empty string? */
    if(outHostname->length == 0)
        outHostname->data = NULL;

    if(curr == endpointUrl->length)
        return UA_STATUSCODE_GOOD;

    /* Set the port */
    if(endpointUrl->data[curr] == ':') {
        if(++curr == endpointUrl->length)
            return UA_STATUSCODE_BADTCPENDPOINTURLINVALID;
        u32 largeNum;
        size_t progress = UA_readNumber(&endpointUrl->data[curr],
                                        endpointUrl->length - curr, &largeNum);
        if(progress == 0 || largeNum > 65535)
            return UA_STATUSCODE_BADTCPENDPOINTURLINVALID;
        /* Test if the end of a valid port was reached */
        curr += progress;
        if(curr == endpointUrl->length || endpointUrl->data[curr] == '/')
            *outPort = (u16)largeNum;
        if(curr == endpointUrl->length)
            return UA_STATUSCODE_GOOD;
    }

    /* Set the path */
    UA_assert(curr < endpointUrl->length);
    if(endpointUrl->data[curr] != '/')
        return UA_STATUSCODE_BADTCPENDPOINTURLINVALID;
    if(++curr == endpointUrl->length)
        return UA_STATUSCODE_GOOD;
    outPath->data = &endpointUrl->data[curr];
    outPath->length = endpointUrl->length - curr;

    /* Remove trailing slash from the path */
    if(endpointUrl->data[endpointUrl->length - 1] == '/')
        outPath->length--;

    /* Empty string? */
    if(outPath->length == 0)
        outPath->data = NULL;

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_parseEndpointUrlEthernet(const UA_String *endpointUrl, UA_String *target,
                            UA_UInt16 *vid, UA_Byte *pcp) {
    /* Url must begin with "opc.eth://" */
    if(endpointUrl->length < 11) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    if(strncmp((char*) endpointUrl->data, "opc.eth://", 10) != 0) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Where does the host address end? */
    size_t curr = 10;
    for(; curr < endpointUrl->length; ++curr) {
        if(endpointUrl->data[curr] == ':') {
           break;
        }
    }

    /* set host address */
    target->data = &endpointUrl->data[10];
    target->length = curr - 10;
    if(curr == endpointUrl->length) {
        return UA_STATUSCODE_GOOD;
    }

    /* Set VLAN */
    u32 value = 0;
    curr++;  /* skip ':' */
    size_t progress = UA_readNumber(&endpointUrl->data[curr],
                                    endpointUrl->length - curr, &value);
    if(progress == 0 || value > 4096) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    curr += progress;
    if(curr == endpointUrl->length || endpointUrl->data[curr] == '.') {
        *vid = (UA_UInt16) value;
    }
    if(curr == endpointUrl->length) {
        return UA_STATUSCODE_GOOD;
    }

    /* Set priority */
    if(endpointUrl->data[curr] != '.') {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    curr++;  /* skip '.' */
    progress = UA_readNumber(&endpointUrl->data[curr],
                             endpointUrl->length - curr, &value);
    if(progress == 0 || value > 7) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    curr += progress;
    if(curr != endpointUrl->length) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    *pcp = (UA_Byte) value;

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_ByteString_toBase64(const UA_ByteString *byteString,
                       UA_String *str) {
    UA_String_init(str);
    if(!byteString || !byteString->data)
        return UA_STATUSCODE_GOOD;

    str->data = (UA_Byte*)
        UA_base64(byteString->data, byteString->length, &str->length);
    if(!str->data)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode UA_EXPORT
UA_ByteString_fromBase64(UA_ByteString *bs,
                         const UA_String *input) {
    UA_ByteString_init(bs);
    if(input->length == 0)
        return UA_STATUSCODE_GOOD;
    bs->data = UA_unbase64((const unsigned char*)input->data,
                           input->length, &bs->length);
    /* TODO: Differentiate between encoding and memory errors */
    if(!bs->data)
        return UA_STATUSCODE_BADINTERNALERROR;
    return UA_STATUSCODE_GOOD;
}

/* Key Value Map */

UA_StatusCode
UA_KeyValueMap_setQualified(UA_KeyValuePair **map, size_t *mapSize,
                            const UA_QualifiedName *key,
                            const UA_Variant *value) {
    /* Parameter exists already */
    const UA_Variant *v = UA_KeyValueMap_getQualified(*map, *mapSize, key);
    if(v) {
        UA_Variant copyV;
        UA_StatusCode res = UA_Variant_copy(v, &copyV);
        if(res != UA_STATUSCODE_GOOD)
            return res;
        UA_Variant *target = (UA_Variant*)(uintptr_t)v;
        UA_Variant_clear(target);
        *target = copyV;
        return UA_STATUSCODE_GOOD;
    }

    /* Append to the array */
    UA_KeyValuePair pair;
    pair.key = *key;
    pair.value = *value;
    return UA_Array_appendCopy((void**)map, mapSize, &pair,
                               &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);
}

UA_StatusCode
UA_KeyValueMap_set(UA_KeyValuePair **map, size_t *mapSize,
                   const char *key, const UA_Variant *value) {
    UA_QualifiedName qnKey;
    qnKey.namespaceIndex = 0;
    qnKey.name = UA_STRING((char*)(uintptr_t)key);
    return UA_KeyValueMap_setQualified(map, mapSize, &qnKey, value);
}

const UA_Variant *
UA_KeyValueMap_getQualified(UA_KeyValuePair *map, size_t mapSize,
                            const UA_QualifiedName *key) {
    for(size_t i = 0; i < mapSize; i++) {
        if(map[i].key.namespaceIndex == key->namespaceIndex &&
           UA_String_equal(&map[i].key.name, &key->name))
            return &map[i].value;

    }
    return NULL;
}

const UA_Variant *
UA_KeyValueMap_get(UA_KeyValuePair *map, size_t mapSize,
                   const char *key) {
    UA_QualifiedName qnKey;
    qnKey.namespaceIndex = 0;
    qnKey.name = UA_STRING((char*)(uintptr_t)key);
    return UA_KeyValueMap_getQualified(map, mapSize, &qnKey);
}

/* Returns NULL if the parameter is not defined or not of the right datatype */
const UA_Variant *
UA_KeyValueMap_getScalar(UA_KeyValuePair *map, size_t mapSize,
                         const char *key, const UA_DataType *type) {
    const UA_Variant *v = UA_KeyValueMap_get(map, mapSize, key);
    if(!v || !UA_Variant_hasScalarType(v, type))
        return NULL;
    return v;
}

const UA_Variant *
UA_KeyValueMap_getArray(UA_KeyValuePair *map, size_t mapSize,
                        const char *key, const UA_DataType *type) {
    const UA_Variant *v = UA_KeyValueMap_get(map, mapSize, key);
    if(!v || !UA_Variant_hasArrayType(v, type))
        return NULL;
    return v;
}

void
UA_KeyValueMap_deleteQualified(UA_KeyValuePair **map, size_t *mapSize,
                               const UA_QualifiedName *key) {
    UA_KeyValuePair *m = *map;
    size_t s = *mapSize;
    for(size_t i = 0; i < s; i++) {
        if(m[i].key.namespaceIndex != key->namespaceIndex ||
           !UA_String_equal(&m[i].key.name, &key->name))
            continue;

        /* Clean the pair */
        UA_KeyValuePair_clear(&m[i]);

        /* Move the last pair to fill the empty slot */
        if(s > 1 && i < s - 1) {
            m[i] = m[s-1];
            UA_KeyValuePair_init(&m[s-1]);
        }

        UA_StatusCode res = UA_Array_resize((void**)map, mapSize, *mapSize-1,
                                            &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);
        (void)res;
        *mapSize = s - 1; /* In case resize fails, keep the longer original
                           * array around. Resize never fails when reducing
                           * the size to zero. Reduce the size integer in
                           * any case. */
        return;
    }
}

void
UA_KeyValueMap_delete(UA_KeyValuePair **map, size_t *mapSize,
                      const char *key) {
    UA_QualifiedName qnKey;
    qnKey.namespaceIndex = 0;
    qnKey.name = UA_STRING((char*)(uintptr_t)key);
    UA_KeyValueMap_deleteQualified(map, mapSize, &qnKey);
}

/**** amalgamated original file "/src/ua_timer.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2017, 2018, 2021 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */


/* There may be several entries with the same nextTime in the tree. We give them
 * an absolute order by considering the memory address to break ties. Because of
 * this, the nextTime property cannot be used to lookup specific entries. */
static enum aa_cmp
cmpDateTime(const UA_DateTime *a, const UA_DateTime *b) {
    if(*a < *b)
        return AA_CMP_LESS;
    if(*a > *b)
        return AA_CMP_MORE;
    if(a == b)
        return AA_CMP_EQ;
    if(a < b)
        return AA_CMP_LESS;
    return AA_CMP_MORE;
}

/* The identifiers of entries are unique */
static enum aa_cmp
cmpId(const UA_UInt64 *a, const UA_UInt64 *b) {
    if(*a < *b)
        return AA_CMP_LESS;
    if(*a == *b)
        return AA_CMP_EQ;
    return AA_CMP_MORE;
}

static UA_DateTime
calculateNextTime(UA_DateTime currentTime, UA_DateTime baseTime,
                  UA_DateTime interval) {
    /* Take the difference between current and base time */
    UA_DateTime diffCurrentTimeBaseTime = currentTime - baseTime;

    /* Take modulo of the diff time with the interval. This is the duration we
     * are already "into" the current interval. Subtract it from (current +
     * interval) to get the next execution time. */
    UA_DateTime cycleDelay = diffCurrentTimeBaseTime % interval;

    /* Handle the special case where the baseTime is in the future */
    if(UA_UNLIKELY(cycleDelay < 0))
        cycleDelay += interval;

    return currentTime + interval - cycleDelay;
}

void
UA_Timer_init(UA_Timer *t) {
    memset(t, 0, sizeof(UA_Timer));
    aa_init(&t->root,
            (enum aa_cmp (*)(const void*, const void*))cmpDateTime,
            offsetof(UA_TimerEntry, treeEntry),
            offsetof(UA_TimerEntry, nextTime));
    aa_init(&t->idRoot,
            (enum aa_cmp (*)(const void*, const void*))cmpId,
            offsetof(UA_TimerEntry, idTreeEntry),
            offsetof(UA_TimerEntry, id));
    UA_LOCK_INIT(&t->timerMutex);
}

void
UA_Timer_addTimerEntry(UA_Timer *t, UA_TimerEntry *te, UA_UInt64 *callbackId) {
    UA_LOCK(&t->timerMutex);
    te->id = ++t->idCounter;
    if(callbackId)
        *callbackId = te->id;
    aa_insert(&t->root, te);
    aa_insert(&t->idRoot, te);
    UA_UNLOCK(&t->timerMutex);
}

static UA_StatusCode
addCallback(UA_Timer *t, UA_ApplicationCallback callback, void *application,
            void *data, UA_DateTime nextTime, UA_UInt64 interval,
            UA_TimerPolicy timerPolicy, UA_UInt64 *callbackId) {
    /* A callback method needs to be present */
    if(!callback)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Allocate the repeated callback structure */
    UA_TimerEntry *te = (UA_TimerEntry*)UA_malloc(sizeof(UA_TimerEntry));
    if(!te)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Set the repeated callback */
    te->interval = (UA_UInt64)interval;
    te->id = ++t->idCounter;
    te->callback = callback;
    te->application = application;
    te->data = data;
    te->nextTime = nextTime;
    te->timerPolicy = timerPolicy;

    /* Set the output identifier */
    if(callbackId)
        *callbackId = te->id;

    aa_insert(&t->root, te);
    aa_insert(&t->idRoot, te);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Timer_addTimedCallback(UA_Timer *t, UA_ApplicationCallback callback,
                          void *application, void *data, UA_DateTime date,
                          UA_UInt64 *callbackId) {
    UA_LOCK(&t->timerMutex);
    UA_StatusCode res = addCallback(t, callback, application, data, date,
                                    0, UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME,
                                    callbackId);
    UA_UNLOCK(&t->timerMutex);
    return res;
}

/* Adding repeated callbacks: Add an entry with the "nextTime" timestamp in the
 * future. This will be picked up in the next iteration and inserted at the
 * correct place. So that the next execution takes place ät "nextTime". */
UA_StatusCode
UA_Timer_addRepeatedCallback(UA_Timer *t, UA_ApplicationCallback callback,
                             void *application, void *data, UA_Double interval_ms,
                             UA_DateTime *baseTime, UA_TimerPolicy timerPolicy,
                             UA_UInt64 *callbackId) {
    /* The interval needs to be positive */
    if(interval_ms <= 0.0)
        return UA_STATUSCODE_BADINTERNALERROR;
    UA_UInt64 interval = (UA_UInt64)(interval_ms * UA_DATETIME_MSEC);
    if(interval == 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Compute the first time for execution */
    UA_DateTime currentTime = UA_DateTime_nowMonotonic();
    UA_DateTime nextTime;
    if(baseTime == NULL) {
        /* Use "now" as the basetime */
        nextTime = currentTime + (UA_DateTime)interval;
    } else {
        nextTime = calculateNextTime(currentTime, *baseTime, (UA_DateTime)interval);
    }

    UA_LOCK(&t->timerMutex);
    UA_StatusCode res = addCallback(t, callback, application, data, nextTime,
                                    interval, timerPolicy, callbackId);
    UA_UNLOCK(&t->timerMutex);
    return res;
}

UA_StatusCode
UA_Timer_changeRepeatedCallback(UA_Timer *t, UA_UInt64 callbackId,
                                UA_Double interval_ms, UA_DateTime *baseTime,
                                UA_TimerPolicy timerPolicy) {
    /* The interval needs to be positive */
    if(interval_ms <= 0.0)
        return UA_STATUSCODE_BADINTERNALERROR;
    UA_UInt64 interval = (UA_UInt64)(interval_ms * UA_DATETIME_MSEC);
    if(interval == 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_LOCK(&t->timerMutex);

    /* Remove from the sorted tree */
    UA_TimerEntry *te = (UA_TimerEntry*)aa_find(&t->idRoot, &callbackId);
    if(!te) {
        UA_UNLOCK(&t->timerMutex);
        return UA_STATUSCODE_BADNOTFOUND;
    }
    aa_remove(&t->root, te);

    /* Compute the next time for execution. The logic is identical to the
     * creation of a new repeated callback. */
    UA_DateTime currentTime = UA_DateTime_nowMonotonic();
    if(baseTime == NULL) {
        /* Use "now" as the basetime */
        te->nextTime = currentTime + (UA_DateTime)interval;
    } else {
        te->nextTime = calculateNextTime(currentTime, *baseTime, (UA_DateTime)interval);
    }

    /* Update the remaining parameters and re-insert */
    te->interval = interval;
    te->timerPolicy = timerPolicy;
    aa_insert(&t->root, te);

    UA_UNLOCK(&t->timerMutex);
    return UA_STATUSCODE_GOOD;
}

void
UA_Timer_removeCallback(UA_Timer *t, UA_UInt64 callbackId) {
    UA_LOCK(&t->timerMutex);
    UA_TimerEntry *te = (UA_TimerEntry*)aa_find(&t->idRoot, &callbackId);
    if(UA_LIKELY(te != NULL)) {
        aa_remove(&t->root, te);
        aa_remove(&t->idRoot, te);
        UA_free(te);
    }
    UA_UNLOCK(&t->timerMutex);
}

UA_DateTime
UA_Timer_process(UA_Timer *t, UA_DateTime nowMonotonic,
                 UA_TimerExecutionCallback executionCallback,
                 void *executionApplication) {
    UA_LOCK(&t->timerMutex);
    UA_TimerEntry *first;
    while((first = (UA_TimerEntry*)aa_min(&t->root)) &&
          first->nextTime <= nowMonotonic) {
        aa_remove(&t->root, first);

        /* Reinsert / remove to their new position first. Because the callback
         * can interact with the zip tree and expects the same entries in the
         * root and idRoot trees. */

        if(first->interval == 0) {
            aa_remove(&t->idRoot, first);
            if(first->callback) {
                UA_UNLOCK(&t->timerMutex);
                executionCallback(executionApplication, first->callback,
                                  first->application, first->data);
                UA_LOCK(&t->timerMutex);
            }
            UA_free(first);
            continue;
        }

        /* Set the time for the next execution. Prevent an infinite loop by
         * forcing the execution time in the next iteration.
         *
         * If the timer policy is "CurrentTime", then there is at least the
         * interval between executions. This is used for Monitoreditems, for
         * which the spec says: The sampling interval indicates the fastest rate
         * at which the Server should sample its underlying source for data
         * changes. (Part 4, 5.12.1.2) */
        first->nextTime += (UA_DateTime)first->interval;
        if(first->nextTime < nowMonotonic) {
            if(first->timerPolicy == UA_TIMER_HANDLE_CYCLEMISS_WITH_BASETIME)
                first->nextTime = calculateNextTime(nowMonotonic, first->nextTime,
                                                    (UA_DateTime)first->interval);
            else
                first->nextTime = nowMonotonic + (UA_DateTime)first->interval;
        }

        aa_insert(&t->root, first);

        if(!first->callback)
            continue;

        /* Unlock the mutes before dropping into the callback. So that the timer
         * itself can be edited within the callback. When we return, only the
         * pointer to t must still exist. */
        UA_ApplicationCallback cb = first->callback;
        void *app = first->application;
        void *data = first->data;
        UA_UNLOCK(&t->timerMutex);
        executionCallback(executionApplication, cb, app, data);
        UA_LOCK(&t->timerMutex);
    }

    /* Return the timestamp of the earliest next callback */
    first = (UA_TimerEntry*)aa_min(&t->root);
    UA_DateTime next = (first) ? first->nextTime : UA_INT64_MAX;
    if(next < nowMonotonic)
        next = nowMonotonic;
    UA_UNLOCK(&t->timerMutex);
    return next;
}

void
UA_Timer_clear(UA_Timer *t) {
    UA_LOCK(&t->timerMutex);

    /* Free all entries */
    UA_TimerEntry *top;
    while((top = (UA_TimerEntry*)aa_min(&t->idRoot))) {
        aa_remove(&t->idRoot, top);
        UA_free(top);
    }

    /* Reset the trees to avoid future access */
    t->root.root = NULL;
    t->idRoot.root = NULL;

    UA_UNLOCK(&t->timerMutex);
#if UA_MULTITHREADING >= 100
    UA_LOCK_DESTROY(&t->timerMutex);
#endif
}

/**** amalgamated original file "/src/ua_connection.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2016-2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 */



/* Hides some errors before sending them to a client according to the
 * standard. */
static void
hideErrors(UA_TcpErrorMessage *const error) {
    switch(error->error) {
    case UA_STATUSCODE_BADCERTIFICATEUNTRUSTED:
    case UA_STATUSCODE_BADCERTIFICATEREVOKED:
        error->error = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        error->reason = UA_STRING_NULL;
        break;
        // TODO: Check if these are all cases that need to be covered.
    default:
        break;
    }
}

void
UA_Connection_sendError(UA_Connection *connection, UA_TcpErrorMessage *error) {
    hideErrors(error);

    UA_TcpMessageHeader header;
    header.messageTypeAndChunkType = UA_MESSAGETYPE_ERR + UA_CHUNKTYPE_FINAL;
    // Header + ErrorMessage (error + reasonLength_field + length)
    header.messageSize = 8 + (4 + 4 + (UA_UInt32)error->reason.length);

    /* Get the send buffer from the network layer */
    UA_ByteString msg = UA_BYTESTRING_NULL;
    UA_StatusCode retval = connection->getSendBuffer(connection, header.messageSize, &msg);
    if(retval != UA_STATUSCODE_GOOD)
        return;

    /* Encode and send the response */
    UA_Byte *bufPos = msg.data;
    const UA_Byte *bufEnd = &msg.data[msg.length];
    retval |= UA_encodeBinaryInternal(&header,
                                      &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER],
                                      &bufPos, &bufEnd, NULL, NULL);
    retval |= UA_encodeBinaryInternal(error,
                                      &UA_TRANSPORT[UA_TRANSPORT_TCPERRORMESSAGE],
                                      &bufPos, &bufEnd, NULL, NULL);
    (void)retval; /* Encoding of these cannot fail */
    msg.length = header.messageSize;
    connection->send(connection, &msg);
}

void UA_Connection_detachSecureChannel(UA_Connection *connection) {
    UA_SecureChannel *channel = connection->channel;
    if(channel)
        /* only replace when the channel points to this connection */
        UA_atomic_cmpxchg((void**)&channel->connection, connection, NULL);
    UA_atomic_xchg((void**)&connection->channel, NULL);
}

// TODO: Return an error code
void
UA_Connection_attachSecureChannel(UA_Connection *connection, UA_SecureChannel *channel) {
    if(UA_atomic_cmpxchg((void**)&channel->connection, NULL, connection) == NULL)
        UA_atomic_xchg((void**)&connection->channel, (void*)channel);
}

/**** amalgamated original file "/src/ua_securechannel.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2016-2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016 (c) TorbenD
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017-2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2018-2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */



#define UA_BITMASK_MESSAGETYPE 0x00ffffffu
#define UA_BITMASK_CHUNKTYPE 0xff000000u

const UA_String UA_SECURITY_POLICY_NONE_URI =
    {47, (UA_Byte *)"http://opcfoundation.org/UA/SecurityPolicy#None"};

#ifdef UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
UA_StatusCode decrypt_verifySignatureFailure;
UA_StatusCode sendAsym_sendFailure;
UA_StatusCode processSym_seqNumberFailure;
#endif

void UA_SecureChannel_init(UA_SecureChannel *channel,
                           const UA_ConnectionConfig *config) {
    /* Linked lists are also initialized by zeroing out */
    memset(channel, 0, sizeof(UA_SecureChannel));
    channel->state = UA_SECURECHANNELSTATE_FRESH;
    SIMPLEQ_INIT(&channel->completeChunks);
    SIMPLEQ_INIT(&channel->decryptedChunks);
    SLIST_INIT(&channel->sessions);
    channel->config = *config;
}

UA_StatusCode
UA_SecureChannel_setSecurityPolicy(UA_SecureChannel *channel,
                                   const UA_SecurityPolicy *securityPolicy,
                                   const UA_ByteString *remoteCertificate) {
    /* Is a policy already configured? */
    UA_CHECK_ERROR(!channel->securityPolicy, return UA_STATUSCODE_BADINTERNALERROR,
                   securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                   "Security policy already configured");

    /* Create the context */
    UA_StatusCode res = securityPolicy->channelModule.
        newContext(securityPolicy, remoteCertificate, &channel->channelContext);
    res |= UA_ByteString_copy(remoteCertificate, &channel->remoteCertificate);
    UA_CHECK_STATUS_WARN(res, return res, securityPolicy->logger,
                         UA_LOGCATEGORY_SECURITYPOLICY,
                         "Could not set up the SecureChannel context");

    /* Compute the certificate thumbprint */
    UA_ByteString remoteCertificateThumbprint =
        {20, channel->remoteCertificateThumbprint};
    res = securityPolicy->asymmetricModule.
        makeCertificateThumbprint(securityPolicy, &channel->remoteCertificate,
                                  &remoteCertificateThumbprint);
    UA_CHECK_STATUS_WARN(res, return res, securityPolicy->logger,
                         UA_LOGCATEGORY_SECURITYPOLICY,
                         "Could not create the certificate thumbprint");

    /* Set the policy */
    channel->securityPolicy = securityPolicy;
    return UA_STATUSCODE_GOOD;
}

static void
UA_Chunk_delete(UA_Chunk *chunk) {
    if(chunk->copied)
        UA_ByteString_clear(&chunk->bytes);
    UA_free(chunk);
}

static void
deleteChunks(UA_ChunkQueue *queue) {
    UA_Chunk *chunk;
    while((chunk = SIMPLEQ_FIRST(queue))) {
        SIMPLEQ_REMOVE_HEAD(queue, pointers);
        UA_Chunk_delete(chunk);
    }
}

void
UA_SecureChannel_deleteBuffered(UA_SecureChannel *channel) {
    deleteChunks(&channel->completeChunks);
    deleteChunks(&channel->decryptedChunks);
    UA_ByteString_clear(&channel->incompleteChunk);
}

void
UA_SecureChannel_close(UA_SecureChannel *channel) {
    /* Set the status to closed */
    channel->state = UA_SECURECHANNELSTATE_CLOSED;

    /* Detach from the connection and close the connection */
    if(channel->connection) {
        if(channel->connection->state != UA_CONNECTIONSTATE_CLOSED)
            channel->connection->close(channel->connection);
        UA_Connection_detachSecureChannel(channel->connection);
    }

    /* Detach Sessions from the SecureChannel. This also removes outstanding
     * Publish requests whose RequestId is valid only for the SecureChannel. */
    UA_SessionHeader *sh;
    while((sh = SLIST_FIRST(&channel->sessions))) {
        if(sh->serverSession) {
            UA_Session_detachFromSecureChannel((UA_Session *)sh);
        } else {
            sh->channel = NULL;
            SLIST_REMOVE_HEAD(&channel->sessions, next);
        }
    }

    /* Delete the channel context for the security policy */
    if(channel->securityPolicy) {
        channel->securityPolicy->channelModule.deleteContext(channel->channelContext);
        channel->securityPolicy = NULL;
        channel->channelContext = NULL;
    }

    /* Delete members */
    UA_ByteString_clear(&channel->remoteCertificate);
    UA_ByteString_clear(&channel->localNonce);
    UA_ByteString_clear(&channel->remoteNonce);
    UA_ChannelSecurityToken_clear(&channel->securityToken);
    UA_ChannelSecurityToken_clear(&channel->altSecurityToken);
    UA_SecureChannel_deleteBuffered(channel);
}

UA_StatusCode
UA_SecureChannel_processHELACK(UA_SecureChannel *channel,
                               const UA_TcpAcknowledgeMessage *remoteConfig) {
    /* The lowest common version is used by both sides */
    if(channel->config.protocolVersion > remoteConfig->protocolVersion)
        channel->config.protocolVersion = remoteConfig->protocolVersion;

    /* Can we receive the max send size? */
    if(channel->config.sendBufferSize > remoteConfig->receiveBufferSize)
        channel->config.sendBufferSize = remoteConfig->receiveBufferSize;

    /* Can we send the max receive size? */
    if(channel->config.recvBufferSize > remoteConfig->sendBufferSize)
        channel->config.recvBufferSize = remoteConfig->sendBufferSize;

    channel->config.remoteMaxMessageSize = remoteConfig->maxMessageSize;
    channel->config.remoteMaxChunkCount = remoteConfig->maxChunkCount;

    /* Chunks of at least 8192 bytes must be permissible.
     * See Part 6, Clause 6.7.1 */
    if(channel->config.recvBufferSize < 8192 ||
       channel->config.sendBufferSize < 8192 ||
       (channel->config.remoteMaxMessageSize != 0 &&
        channel->config.remoteMaxMessageSize < 8192))
        return UA_STATUSCODE_BADINTERNALERROR;

    channel->connection->state = UA_CONNECTIONSTATE_ESTABLISHED;
    return UA_STATUSCODE_GOOD;
}

/* Sends an OPN message using asymmetric encryption if defined */
UA_StatusCode
UA_SecureChannel_sendAsymmetricOPNMessage(UA_SecureChannel *channel,
                                          UA_UInt32 requestId, const void *content,
                                          const UA_DataType *contentType) {
    UA_CHECK(channel->securityMode != UA_MESSAGESECURITYMODE_INVALID,
             return UA_STATUSCODE_BADSECURITYMODEREJECTED);

    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_Connection *conn = channel->connection;
    UA_CHECK_MEM(sp, return UA_STATUSCODE_BADINTERNALERROR);
    UA_CHECK_MEM(conn, return UA_STATUSCODE_BADINTERNALERROR);

    /* Allocate the message buffer */
    UA_ByteString buf = UA_BYTESTRING_NULL;
    UA_StatusCode res = conn->getSendBuffer(conn, channel->config.sendBufferSize, &buf);
    UA_CHECK_STATUS(res, return res);

    /* Restrict buffer to the available space for the payload */
    UA_Byte *buf_pos = buf.data;
    const UA_Byte *buf_end = &buf.data[buf.length];
    hideBytesAsym(channel, &buf_pos, &buf_end);

    /* Encode the message type and content */
    res |= UA_NodeId_encodeBinary(&contentType->binaryEncodingId, &buf_pos, buf_end);
    res |= UA_encodeBinaryInternal(content, contentType,
                                   &buf_pos, &buf_end, NULL, NULL);
    UA_CHECK_STATUS(res, conn->releaseSendBuffer(conn, &buf); return res);

    const size_t securityHeaderLength = calculateAsymAlgSecurityHeaderLength(channel);

#ifdef UA_ENABLE_ENCRYPTION
    /* Add padding to the chunk. Also pad if the securityMode is SIGN_ONLY,
     * since we are using asymmetric communication to exchange keys and thus
     * need to encrypt. */
    if(channel->securityMode != UA_MESSAGESECURITYMODE_NONE)
        padChunk(channel, &channel->securityPolicy->asymmetricModule.cryptoModule,
                 &buf.data[UA_SECURECHANNEL_CHANNELHEADER_LENGTH + securityHeaderLength],
                 &buf_pos);
#endif

    /* The total message length */
    size_t pre_sig_length = (uintptr_t)buf_pos - (uintptr_t)buf.data;
    size_t total_length = pre_sig_length;
    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        total_length += sp->asymmetricModule.cryptoModule.signatureAlgorithm.
            getLocalSignatureSize(channel->channelContext);

    /* The total message length is known here which is why we encode the headers
     * at this step and not earlier. */
    size_t encryptedLength = 0;
    res = prependHeadersAsym(channel, buf.data, buf_end, total_length,
                             securityHeaderLength, requestId, &encryptedLength);
    UA_CHECK_STATUS(res, conn->releaseSendBuffer(conn, &buf); return res);

#ifdef UA_ENABLE_ENCRYPTION
    res = signAndEncryptAsym(channel, pre_sig_length, &buf,
                             securityHeaderLength, total_length);
    UA_CHECK_STATUS(res, conn->releaseSendBuffer(conn, &buf); return res);
#endif

    /* Send the message, the buffer is freed in the network layer */
    buf.length = encryptedLength;
    res = conn->send(conn, &buf);
#ifdef UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
    res |= sendAsym_sendFailure;
#endif
    return res;
}

/* Will this chunk surpass the capacity of the SecureChannel for the message? */
static UA_StatusCode
adjustCheckMessageLimitsSym(UA_MessageContext *mc, size_t bodyLength) {
    mc->messageSizeSoFar += bodyLength;
    mc->chunksSoFar++;

    UA_SecureChannel *channel = mc->channel;
    if(mc->messageSizeSoFar > channel->config.localMaxMessageSize &&
       channel->config.localMaxMessageSize != 0)
        return UA_STATUSCODE_BADRESPONSETOOLARGE;

    if(mc->chunksSoFar > channel->config.localMaxChunkCount &&
       channel->config.localMaxChunkCount != 0)
        return UA_STATUSCODE_BADRESPONSETOOLARGE;

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
encodeHeadersSym(UA_MessageContext *mc, size_t totalLength) {
    UA_SecureChannel *channel = mc->channel;
    UA_Byte *header_pos = mc->messageBuffer.data;

    UA_TcpMessageHeader header;
    header.messageTypeAndChunkType = mc->messageType;
    header.messageSize = (UA_UInt32)totalLength;
    if(mc->final)
        header.messageTypeAndChunkType += UA_CHUNKTYPE_FINAL;
    else
        header.messageTypeAndChunkType += UA_CHUNKTYPE_INTERMEDIATE;

    UA_SequenceHeader seqHeader;
    seqHeader.requestId = mc->requestId;
    seqHeader.sequenceNumber = UA_atomic_addUInt32(&channel->sendSequenceNumber, 1);

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    res |= UA_encodeBinaryInternal(&header, &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER],
                                   &header_pos, &mc->buf_end, NULL, NULL);
    res |= UA_UInt32_encodeBinary(&channel->securityToken.channelId,
                                  &header_pos, mc->buf_end);
    res |= UA_UInt32_encodeBinary(&channel->securityToken.tokenId,
                                  &header_pos, mc->buf_end);
    res |= UA_encodeBinaryInternal(&seqHeader, &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER],
                                   &header_pos, &mc->buf_end, NULL, NULL);
    return res;
}

static UA_StatusCode
sendSymmetricChunk(UA_MessageContext *mc) {
    UA_SecureChannel *channel = mc->channel;
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_Connection *connection = channel->connection;
    UA_CHECK_MEM(connection, return UA_STATUSCODE_BADINTERNALERROR);

    /* The size of the message payload */
    size_t bodyLength = (uintptr_t)mc->buf_pos -
        (uintptr_t)&mc->messageBuffer.data[UA_SECURECHANNEL_SYMMETRIC_HEADER_TOTALLENGTH];

    /* Early-declare variables so we can use a goto in the error case */
    size_t total_length = 0;
    size_t pre_sig_length = 0;

    /* Check if chunk exceeds the limits for the overall message */
    UA_StatusCode res = adjustCheckMessageLimitsSym(mc, bodyLength);
    UA_CHECK_STATUS(res, goto error);

    UA_LOG_TRACE_CHANNEL(sp->logger, channel,
                         "Send from a symmetric message buffer of length %lu "
                         "a message of header+payload length of %lu",
                         (long unsigned int)mc->messageBuffer.length,
                         (long unsigned int)
                         ((uintptr_t)mc->buf_pos - (uintptr_t)mc->messageBuffer.data));

#ifdef UA_ENABLE_ENCRYPTION
    /* Add padding if the message is encrypted */
    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        padChunk(channel, &sp->symmetricModule.cryptoModule,
                 &mc->messageBuffer.data[UA_SECURECHANNEL_SYMMETRIC_HEADER_UNENCRYPTEDLENGTH],
                 &mc->buf_pos);
#endif

    /* Compute the total message length */
    pre_sig_length = (uintptr_t)mc->buf_pos - (uintptr_t)mc->messageBuffer.data;
    total_length = pre_sig_length;
    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        total_length += sp->symmetricModule.cryptoModule.signatureAlgorithm.
            getLocalSignatureSize(channel->channelContext);

    UA_LOG_TRACE_CHANNEL(sp->logger, channel,
                         "Send from a symmetric message buffer of length %lu "
                         "a message of length %lu",
                         (long unsigned int)mc->messageBuffer.length,
                         (long unsigned int)total_length);

    /* Space for the padding and the signature have been reserved in setBufPos() */
    UA_assert(total_length <= channel->config.sendBufferSize);

    /* Adjust the buffer size of the network layer */
    mc->messageBuffer.length = total_length;

    /* Generate and encode the header for symmetric messages */
    res = encodeHeadersSym(mc, total_length);
    UA_CHECK_STATUS(res, goto error);

#ifdef UA_ENABLE_ENCRYPTION
    /* Sign and encrypt the messge */
    res = signAndEncryptSym(mc, pre_sig_length, total_length);
    UA_CHECK_STATUS(res, goto error);
#endif

    /* Send the chunk, the buffer is freed in the network layer */
    return connection->send(channel->connection, &mc->messageBuffer);

 error:
    /* Free the unused message buffer */
    connection->releaseSendBuffer(channel->connection, &mc->messageBuffer);
    return res;
}

/* Callback from the encoding layer. Send the chunk and replace the buffer. */
static UA_StatusCode
sendSymmetricEncodingCallback(void *data, UA_Byte **buf_pos,
                              const UA_Byte **buf_end) {
    /* Set buf values from encoding in the messagecontext */
    UA_MessageContext *mc = (UA_MessageContext *)data;
    mc->buf_pos = *buf_pos;
    mc->buf_end = *buf_end;

    /* Send out */
    UA_StatusCode res = sendSymmetricChunk(mc);
    UA_CHECK_STATUS(res, return res);

    /* Set a new buffer for the next chunk */
    UA_Connection *c = mc->channel->connection;
    UA_CHECK_MEM(c, return UA_STATUSCODE_BADINTERNALERROR);

    res = c->getSendBuffer(c, mc->channel->config.sendBufferSize,
                           &mc->messageBuffer);
    UA_CHECK_STATUS(res, return res);

    /* Hide bytes for header, padding and signature */
    setBufPos(mc);
    *buf_pos = mc->buf_pos;
    *buf_end = mc->buf_end;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_MessageContext_begin(UA_MessageContext *mc, UA_SecureChannel *channel,
                        UA_UInt32 requestId, UA_MessageType messageType) {
    UA_CHECK(messageType == UA_MESSAGETYPE_MSG || messageType == UA_MESSAGETYPE_CLO,
             return UA_STATUSCODE_BADINTERNALERROR);

    UA_Connection *c = channel->connection;
    UA_CHECK_MEM(c, return UA_STATUSCODE_BADINTERNALERROR);

    /* Create the chunking info structure */
    mc->channel = channel;
    mc->requestId = requestId;
    mc->chunksSoFar = 0;
    mc->messageSizeSoFar = 0;
    mc->final = false;
    mc->messageBuffer = UA_BYTESTRING_NULL;
    mc->messageType = messageType;

    /* Allocate the message buffer */
    UA_StatusCode res = c->getSendBuffer(c, channel->config.sendBufferSize,
                                         &mc->messageBuffer);
    UA_CHECK_STATUS(res, return res);

    /* Hide bytes for header, padding and signature */
    setBufPos(mc);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_MessageContext_encode(UA_MessageContext *mc, const void *content,
                         const UA_DataType *contentType) {
    UA_StatusCode res =
        UA_encodeBinaryInternal(content, contentType, &mc->buf_pos, &mc->buf_end,
                                sendSymmetricEncodingCallback, mc);
    if(res != UA_STATUSCODE_GOOD && mc->messageBuffer.length > 0)
        UA_MessageContext_abort(mc);
    return res;
}

UA_StatusCode
UA_MessageContext_finish(UA_MessageContext *mc) {
    mc->final = true;
    return sendSymmetricChunk(mc);
}

void
UA_MessageContext_abort(UA_MessageContext *mc) {
    UA_Connection *connection = mc->channel->connection;
    connection->releaseSendBuffer(connection, &mc->messageBuffer);
}

UA_StatusCode
UA_SecureChannel_sendSymmetricMessage(UA_SecureChannel *channel, UA_UInt32 requestId,
                                      UA_MessageType messageType, void *payload,
                                      const UA_DataType *payloadType) {
    if(!channel || !channel->connection || !payload || !payloadType)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(channel->state != UA_SECURECHANNELSTATE_OPEN)
        return UA_STATUSCODE_BADCONNECTIONCLOSED;

    if(channel->connection->state != UA_CONNECTIONSTATE_ESTABLISHED)
        return UA_STATUSCODE_BADCONNECTIONCLOSED;

    UA_MessageContext mc;
    UA_StatusCode res = UA_MessageContext_begin(&mc, channel, requestId, messageType);
    UA_CHECK_STATUS(res, return res);

    /* Assert's required for clang-analyzer */
    UA_assert(mc.buf_pos ==
              &mc.messageBuffer.data[UA_SECURECHANNEL_SYMMETRIC_HEADER_TOTALLENGTH]);
    UA_assert(mc.buf_end <= &mc.messageBuffer.data[mc.messageBuffer.length]);

    res = UA_MessageContext_encode(&mc, &payloadType->binaryEncodingId,
                                   &UA_TYPES[UA_TYPES_NODEID]);
    UA_CHECK_STATUS(res, return res);

    res = UA_MessageContext_encode(&mc, payload, payloadType);
    UA_CHECK_STATUS(res, return res);

    return UA_MessageContext_finish(&mc);
}

/********************************/
/* Receive and Process Messages */
/********************************/

/* Does the sequence number match? Otherwise try to rollover. See Part 6,
 * Section 6.7.2.4 of the standard. */
#define UA_SEQUENCENUMBER_ROLLOVER 4294966271

#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
static UA_StatusCode
processSequenceNumberSym(UA_SecureChannel *channel, UA_UInt32 sequenceNumber) {
#ifdef UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
    /* Failure mode hook for unit tests */
    if(processSym_seqNumberFailure != UA_STATUSCODE_GOOD)
        return processSym_seqNumberFailure;
#endif

    if(sequenceNumber != channel->receiveSequenceNumber + 1) {
        if(channel->receiveSequenceNumber + 1 <= UA_SEQUENCENUMBER_ROLLOVER ||
           sequenceNumber >= 1024)
            return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        channel->receiveSequenceNumber = sequenceNumber - 1; /* Roll over */
    }
    ++channel->receiveSequenceNumber;
    return UA_STATUSCODE_GOOD;
}
#endif

static UA_StatusCode
unpackPayloadOPN(UA_SecureChannel *channel, UA_Chunk *chunk, void *application) {
    UA_assert(chunk->bytes.length >= UA_SECURECHANNEL_MESSAGE_MIN_LENGTH);
    size_t offset = UA_SECURECHANNEL_MESSAGEHEADER_LENGTH; /* Skip the message header */
    UA_UInt32 secureChannelId;
    UA_StatusCode res = UA_UInt32_decodeBinary(&chunk->bytes, &offset, &secureChannelId);
    UA_assert(res == UA_STATUSCODE_GOOD);

    UA_AsymmetricAlgorithmSecurityHeader asymHeader;
    res = UA_decodeBinaryInternal(&chunk->bytes, &offset, &asymHeader,
             &UA_TRANSPORT[UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER], NULL);
    UA_CHECK_STATUS(res, return res);

    if(asymHeader.senderCertificate.length > 0) {
        if(channel->certificateVerification)
            res = channel->certificateVerification->
                verifyCertificate(channel->certificateVerification->context,
                                  &asymHeader.senderCertificate);
        else
            res = UA_STATUSCODE_BADINTERNALERROR;
        UA_CHECK_STATUS(res, goto error);
    }

    /* New channel, create a security policy context and attach */
    if(!channel->securityPolicy) {
        if(channel->processOPNHeader)
            res = channel->processOPNHeader(application, channel, &asymHeader);
        if(!channel->securityPolicy)
            res = UA_STATUSCODE_BADINTERNALERROR;
        UA_CHECK_STATUS(res, goto error);
    }

    /* On the client side, take the SecureChannelId from the first response */
    if(secureChannelId != 0 && channel->securityToken.channelId == 0)
        channel->securityToken.channelId = secureChannelId;

#if !defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
    /* Check the ChannelId. Non-opened channels have the id zero. */
    if(secureChannelId != channel->securityToken.channelId) {
        res = UA_STATUSCODE_BADSECURECHANNELIDINVALID;
        goto error;
    }
#endif

    /* Check the header */
    res = checkAsymHeader(channel, &asymHeader);
    UA_AsymmetricAlgorithmSecurityHeader_clear(&asymHeader);
    UA_CHECK_STATUS(res, return res);

    /* Decrypt the chunk payload */
    res = decryptAndVerifyChunk(channel,
                                &channel->securityPolicy->asymmetricModule.cryptoModule,
                                chunk->messageType, &chunk->bytes, offset);
    UA_CHECK_STATUS(res, return res);

    /* Decode the SequenceHeader */
    UA_SequenceHeader sequenceHeader;
    res = UA_decodeBinaryInternal(&chunk->bytes, &offset, &sequenceHeader,
                                  &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER], NULL);
    UA_CHECK_STATUS(res, return res);

    /* Set the sequence number for the channel from which to count up */
    channel->receiveSequenceNumber = sequenceHeader.sequenceNumber;
    chunk->requestId = sequenceHeader.requestId; /* Set the RequestId of the chunk */

    /* Use only the payload */
    chunk->bytes.data += offset;
    chunk->bytes.length -= offset;
    return UA_STATUSCODE_GOOD;

error:
    UA_AsymmetricAlgorithmSecurityHeader_clear(&asymHeader);
    return res;
}

static UA_StatusCode
unpackPayloadMSG(UA_SecureChannel *channel, UA_Chunk *chunk) {
    UA_CHECK_MEM(channel->securityPolicy, return UA_STATUSCODE_BADINTERNALERROR);

    UA_assert(chunk->bytes.length >= UA_SECURECHANNEL_MESSAGE_MIN_LENGTH);
    size_t offset = UA_SECURECHANNEL_MESSAGEHEADER_LENGTH; /* Skip the message header */
    UA_UInt32 secureChannelId;
    UA_UInt32 tokenId; /* SymmetricAlgorithmSecurityHeader */
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    res |= UA_UInt32_decodeBinary(&chunk->bytes, &offset, &secureChannelId);
    res |= UA_UInt32_decodeBinary(&chunk->bytes, &offset, &tokenId);
    UA_assert(offset == UA_SECURECHANNEL_MESSAGE_MIN_LENGTH);
    UA_assert(res == UA_STATUSCODE_GOOD);

#if !defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
    /* Check the ChannelId. Non-opened channels have the id zero. */
    UA_CHECK(secureChannelId == channel->securityToken.channelId,
             return UA_STATUSCODE_BADSECURECHANNELIDINVALID);
#endif

    /* Check (and revolve) the SecurityToken */
    res = checkSymHeader(channel, tokenId);
    UA_CHECK_STATUS(res, return res);

    /* Decrypt the chunk payload */
    res = decryptAndVerifyChunk(channel,
                                &channel->securityPolicy->symmetricModule.cryptoModule,
                                chunk->messageType, &chunk->bytes, offset);
    UA_CHECK_STATUS(res, return res);

    /* Check the sequence number. Skip sequence number checking for fuzzer to
     * improve coverage */
    UA_SequenceHeader sequenceHeader;
    res = UA_decodeBinaryInternal(&chunk->bytes, &offset, &sequenceHeader,
                                  &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER], NULL);
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
    res |= processSequenceNumberSym(channel, sequenceHeader.sequenceNumber);
#endif
    UA_CHECK_STATUS(res, return res);

    chunk->requestId = sequenceHeader.requestId; /* Set the RequestId of the chunk */

    /* Use only the payload */
    chunk->bytes.data += offset;
    chunk->bytes.length -= offset;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
assembleProcessMessage(UA_SecureChannel *channel, void *application,
                       UA_ProcessMessageCallback callback) {
    UA_Chunk *chunk = SIMPLEQ_FIRST(&channel->decryptedChunks);
    UA_assert(chunk != NULL);

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    if(chunk->chunkType == UA_CHUNKTYPE_FINAL) {
        SIMPLEQ_REMOVE_HEAD(&channel->decryptedChunks, pointers);
        UA_assert(chunk->chunkType == UA_CHUNKTYPE_FINAL);
        res = callback(application, channel, chunk->messageType,
                       chunk->requestId, &chunk->bytes);
        UA_Chunk_delete(chunk);
        return res;
    }

    UA_UInt32 requestId = chunk->requestId;
    UA_MessageType messageType = chunk->messageType;
    UA_ChunkType chunkType = chunk->chunkType;
    UA_assert(chunkType == UA_CHUNKTYPE_INTERMEDIATE);

    size_t messageSize = 0;
    SIMPLEQ_FOREACH(chunk, &channel->decryptedChunks, pointers) {
        /* Consistency check */
        if(requestId != chunk->requestId)
            return UA_STATUSCODE_BADINTERNALERROR;
        if(chunkType != chunk->chunkType && chunk->chunkType != UA_CHUNKTYPE_FINAL)
            return UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;
        if(chunk->messageType != messageType)
            return UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;

        /* Sum up the lengths */
        messageSize += chunk->bytes.length;
        if(chunk->chunkType == UA_CHUNKTYPE_FINAL)
            break;
    }

    /* Allocate memory for the full message */
    UA_ByteString payload;
    res = UA_ByteString_allocBuffer(&payload, messageSize);
    UA_CHECK_STATUS(res, return res);
    
    /* Assemble the full message */
    size_t offset = 0;
    while(true) {
        chunk = SIMPLEQ_FIRST(&channel->decryptedChunks);
        memcpy(&payload.data[offset], chunk->bytes.data, chunk->bytes.length);
        offset += chunk->bytes.length;
        SIMPLEQ_REMOVE_HEAD(&channel->decryptedChunks, pointers);
        UA_ChunkType ct = chunk->chunkType;
        UA_Chunk_delete(chunk);
        if(ct == UA_CHUNKTYPE_FINAL)
            break;
    }
    
    /* Process the assembled message */
    res = callback(application, channel, messageType, requestId, &payload);
    UA_ByteString_clear(&payload);
    return res;
}

static UA_StatusCode
persistCompleteChunks(UA_ChunkQueue *queue) {
    UA_Chunk *chunk;
    SIMPLEQ_FOREACH(chunk, queue, pointers) {
        if(chunk->copied)
            continue;
        UA_ByteString copy;
        UA_StatusCode res = UA_ByteString_copy(&chunk->bytes, &copy);
        UA_CHECK_STATUS(res, return res);
        chunk->bytes = copy;
        chunk->copied = true;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
persistIncompleteChunk(UA_SecureChannel *channel, const UA_ByteString *buffer,
                       size_t offset) {
    UA_assert(channel->incompleteChunk.length == 0);
    UA_assert(offset < buffer->length);
    size_t length = buffer->length - offset;
    UA_StatusCode res = UA_ByteString_allocBuffer(&channel->incompleteChunk, length);
    UA_CHECK_STATUS(res, return res);
    memcpy(channel->incompleteChunk.data, &buffer->data[offset], length);
    return UA_STATUSCODE_GOOD;
}

/* Processes chunks and puts them into the payloads queue. Once a final chunk is
 * put into the queue, the message is assembled and the callback is called. The
 * queue will be cleared for the next message. */
static UA_StatusCode
processChunks(UA_SecureChannel *channel, void *application,
              UA_ProcessMessageCallback callback) {
    UA_Chunk *chunk;
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    while((chunk = SIMPLEQ_FIRST(&channel->completeChunks))) {
        /* Remove from the complete-chunk queue */
        SIMPLEQ_REMOVE_HEAD(&channel->completeChunks, pointers);

        /* Check, decrypt and unpack the payload */
        if(chunk->messageType == UA_MESSAGETYPE_OPN) {
            if(channel->state != UA_SECURECHANNELSTATE_OPEN &&
               channel->state != UA_SECURECHANNELSTATE_OPN_SENT &&
               channel->state != UA_SECURECHANNELSTATE_ACK_SENT)
                res = UA_STATUSCODE_BADINVALIDSTATE;
            else
                res = unpackPayloadOPN(channel, chunk, application);
        } else if(chunk->messageType == UA_MESSAGETYPE_MSG ||
                  chunk->messageType == UA_MESSAGETYPE_CLO) {
            if(channel->state == UA_SECURECHANNELSTATE_CLOSED)
                res = UA_STATUSCODE_BADSECURECHANNELCLOSED;
            else
                res = unpackPayloadMSG(channel, chunk);
        } else {
            chunk->bytes.data += UA_SECURECHANNEL_MESSAGEHEADER_LENGTH;
            chunk->bytes.length -= UA_SECURECHANNEL_MESSAGEHEADER_LENGTH;
        }

        if(res != UA_STATUSCODE_GOOD) {
            UA_Chunk_delete(chunk);
            return res;
        }

        /* Add to the decrypted-chunk queue */
        SIMPLEQ_INSERT_TAIL(&channel->decryptedChunks, chunk, pointers);

        /* Check the resource limits */
        channel->decryptedChunksCount++;
        channel->decryptedChunksLength += chunk->bytes.length;
        if((channel->config.localMaxChunkCount != 0 &&
            channel->decryptedChunksCount > channel->config.localMaxChunkCount) ||
           (channel->config.localMaxMessageSize != 0 &&
            channel->decryptedChunksLength > channel->config.localMaxMessageSize)) {
            return UA_STATUSCODE_BADTCPMESSAGETOOLARGE;
        }

        /* Waiting for additional chunks */
        if(chunk->chunkType == UA_CHUNKTYPE_INTERMEDIATE)
            continue;

        /* Final chunk or abort. Reset the counters. */
        channel->decryptedChunksCount = 0;
        channel->decryptedChunksLength = 0;

        /* Abort the message, remove all decrypted chunks
         * TODO: Log a warning with the error code */
        if(chunk->chunkType == UA_CHUNKTYPE_ABORT) {
            while((chunk = SIMPLEQ_FIRST(&channel->decryptedChunks))) {
                SIMPLEQ_REMOVE_HEAD(&channel->decryptedChunks, pointers);
                UA_Chunk_delete(chunk);
            }
            continue;
        }

        /* The decrypted queue contains a full message. Process it. */
        UA_assert(chunk->chunkType == UA_CHUNKTYPE_FINAL);
        res = assembleProcessMessage(channel, application, callback);
        UA_CHECK_STATUS(res, return res);
    }

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
extractCompleteChunk(UA_SecureChannel *channel, const UA_ByteString *buffer,
                     size_t *offset, UA_Boolean *done) {
    /* At least 8 byte needed for the header. Wait for the next chunk. */
    size_t initial_offset = *offset;
    size_t remaining = buffer->length - initial_offset;
    if(remaining < UA_SECURECHANNEL_MESSAGEHEADER_LENGTH) {
        *done = true;
        return UA_STATUSCODE_GOOD;
    }

    /* Decoding cannot fail */
    UA_TcpMessageHeader hdr;
    UA_StatusCode res =
        UA_decodeBinaryInternal(buffer, &initial_offset, &hdr,
                                &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER], NULL);
    UA_assert(res == UA_STATUSCODE_GOOD);
    (void)res; /* pacify compilers if assert is ignored */
    UA_MessageType msgType = (UA_MessageType)
        (hdr.messageTypeAndChunkType & UA_BITMASK_MESSAGETYPE);
    UA_ChunkType chunkType = (UA_ChunkType)
        (hdr.messageTypeAndChunkType & UA_BITMASK_CHUNKTYPE);

    /* The message size is not allowed */
    if(hdr.messageSize < UA_SECURECHANNEL_MESSAGE_MIN_LENGTH)
        return UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;
    if(hdr.messageSize > channel->config.recvBufferSize)
        return UA_STATUSCODE_BADTCPMESSAGETOOLARGE;

    /* Incomplete chunk */
    if(hdr.messageSize > remaining) {
        *done = true;
        return UA_STATUSCODE_GOOD;
    }

    /* ByteString with only this chunk. */
    UA_ByteString chunkPayload;
    chunkPayload.data = &buffer->data[*offset];
    chunkPayload.length = hdr.messageSize;

    if(msgType == UA_MESSAGETYPE_HEL || msgType == UA_MESSAGETYPE_ACK ||
       msgType == UA_MESSAGETYPE_ERR || msgType == UA_MESSAGETYPE_OPN) {
        if(chunkType != UA_CHUNKTYPE_FINAL)
            return UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;
    } else {
        /* Only messages on SecureChannel-level with symmetric encryption afterwards */
        if(msgType != UA_MESSAGETYPE_MSG &&
           msgType != UA_MESSAGETYPE_CLO)
            return UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;

        /* Check the chunk type before decrypting */
        if(chunkType != UA_CHUNKTYPE_FINAL &&
           chunkType != UA_CHUNKTYPE_INTERMEDIATE &&
           chunkType != UA_CHUNKTYPE_ABORT)
            return UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;
    }

    /* Add the chunk; forward the offset */
    *offset += hdr.messageSize;
    UA_Chunk *chunk = (UA_Chunk*)UA_malloc(sizeof(UA_Chunk));
    UA_CHECK_MEM(chunk, return UA_STATUSCODE_BADOUTOFMEMORY);

    chunk->bytes = chunkPayload;
    chunk->messageType = msgType;
    chunk->chunkType = chunkType;
    chunk->requestId = 0;
    chunk->copied = false;

    SIMPLEQ_INSERT_TAIL(&channel->completeChunks, chunk, pointers);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_SecureChannel_processBuffer(UA_SecureChannel *channel, void *application,
                               UA_ProcessMessageCallback callback,
                               const UA_ByteString *buffer) {
    /* Prepend the incomplete last chunk. This is usually done in the
     * networklayer. But we test for a buffered incomplete chunk here again to
     * work around "lazy" network layers. */
    UA_ByteString appended = channel->incompleteChunk;
    if(appended.length > 0) {
        channel->incompleteChunk = UA_BYTESTRING_NULL;
        UA_Byte *t = (UA_Byte*)UA_realloc(appended.data, appended.length + buffer->length);
        UA_CHECK_MEM(t, UA_ByteString_clear(&appended);
                     return UA_STATUSCODE_BADOUTOFMEMORY);
        memcpy(&t[appended.length], buffer->data, buffer->length);
        appended.data = t;
        appended.length += buffer->length;
        buffer = &appended;
    }

    /* Loop over the received chunks */
    size_t offset = 0;
    UA_Boolean done = false;
    UA_StatusCode res;
    while(!done) {
        res = extractCompleteChunk(channel, buffer, &offset, &done);
        UA_CHECK_STATUS(res, goto cleanup);
    }

    /* Buffer half-received chunk. Before processing the messages so that
     * processing is reentrant. */
    if(offset < buffer->length) {
        res = persistIncompleteChunk(channel, buffer, offset);
        UA_CHECK_STATUS(res, goto cleanup);
    }

    /* Process whatever we can. Chunks of completed and processed messages are
     * removed. */
    res = processChunks(channel, application, callback);
    UA_CHECK_STATUS(res, goto cleanup);

    /* Persist full chunks that still point to the buffer. Can only return
     * UA_STATUSCODE_BADOUTOFMEMORY as an error code. So merging res works. */
    res |= persistCompleteChunks(&channel->completeChunks);
    res |= persistCompleteChunks(&channel->decryptedChunks);

 cleanup:
    UA_ByteString_clear(&appended);
    return res;
}

UA_StatusCode
UA_SecureChannel_receive(UA_SecureChannel *channel, void *application,
                         UA_ProcessMessageCallback callback, UA_UInt32 timeout) {
    UA_Connection *connection = channel->connection;
    UA_CHECK_MEM(connection, return UA_STATUSCODE_BADINTERNALERROR);
    
    /* Listen for messages to arrive */
    UA_ByteString buffer = UA_BYTESTRING_NULL;
    UA_StatusCode res = connection->recv(connection, &buffer, timeout);
    UA_CHECK_STATUS(res, return res);

    /* Try to process one complete chunk */
    res = UA_SecureChannel_processBuffer(channel, application, callback, &buffer);
    connection->releaseRecvBuffer(connection, &buffer);
    return res;
}

/**** amalgamated original file "/src/ua_securechannel_crypto.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2016-2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016 (c) TorbenD
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017-2018 (c) Mark Giraud, Fraunhofer IOSB
 */



UA_StatusCode
UA_SecureChannel_generateLocalNonce(UA_SecureChannel *channel) {
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_CHECK_MEM(sp, return UA_STATUSCODE_BADINTERNALERROR);
    UA_LOG_DEBUG_CHANNEL(sp->logger, channel, "Generating new local nonce");

    /* Is the length of the previous nonce correct? */
    size_t nonceLength = sp->symmetricModule.secureChannelNonceLength;
    if(channel->localNonce.length != nonceLength) {
        UA_ByteString_clear(&channel->localNonce);
        UA_StatusCode res = UA_ByteString_allocBuffer(&channel->localNonce, nonceLength);
        UA_CHECK_STATUS(res, return res);
    }

    /* Generate the nonce */
    return sp->symmetricModule.generateNonce(sp->policyContext, &channel->localNonce);
}

UA_StatusCode
UA_SecureChannel_generateLocalKeys(const UA_SecureChannel *channel) {
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_CHECK_MEM(sp, return UA_STATUSCODE_BADINTERNALERROR);
    UA_LOG_TRACE_CHANNEL(sp->logger, channel, "Generating new local keys");

    void *cc = channel->channelContext;
    const UA_SecurityPolicyChannelModule *cm = &sp->channelModule;
    const UA_SecurityPolicySymmetricModule *sm = &sp->symmetricModule;
    const UA_SecurityPolicyCryptoModule *crm = &sm->cryptoModule;

    /* Generate symmetric key buffer of the required length. The block size is
     * identical for local/remote. */
    UA_ByteString buf;
    size_t encrKL = crm->encryptionAlgorithm.getLocalKeyLength(cc);
    size_t encrBS = crm->encryptionAlgorithm.getRemoteBlockSize(cc);
    size_t signKL = crm->signatureAlgorithm.getLocalKeyLength(cc);
    if(encrBS + signKL + encrKL == 0)
        return UA_STATUSCODE_GOOD; /* No keys to generate */

    UA_StatusCode retval = UA_ByteString_allocBuffer(&buf, encrBS + signKL + encrKL);
    UA_CHECK_STATUS(retval, return retval);
    UA_ByteString localSigningKey = {signKL, buf.data};
    UA_ByteString localEncryptingKey = {encrKL, &buf.data[signKL]};
    UA_ByteString localIv = {encrBS, &buf.data[signKL + encrKL]};

    /* Generate key */
    retval = sm->generateKey(sp->policyContext, &channel->remoteNonce,
                             &channel->localNonce, &buf);
    UA_CHECK_STATUS(retval, goto error);

    /* Set the channel context */
    retval |= cm->setLocalSymSigningKey(cc, &localSigningKey);
    retval |= cm->setLocalSymEncryptingKey(cc, &localEncryptingKey);
    retval |= cm->setLocalSymIv(cc, &localIv);

 error:
    UA_CHECK_STATUS(retval, UA_LOG_WARNING_CHANNEL(sp->logger, channel,
                            "Could not generate local keys (statuscode: %s)",
                            UA_StatusCode_name(retval)));
    UA_ByteString_clear(&buf);
    return retval;
}

UA_StatusCode
generateRemoteKeys(const UA_SecureChannel *channel) {
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_CHECK_MEM(sp, return UA_STATUSCODE_BADINTERNALERROR);
    UA_LOG_TRACE_CHANNEL(sp->logger, channel, "Generating new remote keys");

    void *cc = channel->channelContext;
    const UA_SecurityPolicyChannelModule *cm = &sp->channelModule;
    const UA_SecurityPolicySymmetricModule *sm = &sp->symmetricModule;
    const UA_SecurityPolicyCryptoModule *crm = &sm->cryptoModule;

    /* Generate symmetric key buffer of the required length */
    UA_ByteString buf;
    size_t encrKL = crm->encryptionAlgorithm.getRemoteKeyLength(cc);
    size_t encrBS = crm->encryptionAlgorithm.getRemoteBlockSize(cc);
    size_t signKL = crm->signatureAlgorithm.getRemoteKeyLength(cc);
    if(encrBS + signKL + encrKL == 0)
        return UA_STATUSCODE_GOOD; /* No keys to generate */

    UA_StatusCode retval = UA_ByteString_allocBuffer(&buf, encrBS + signKL + encrKL);
    UA_CHECK_STATUS(retval, return retval);
    UA_ByteString remoteSigningKey = {signKL, buf.data};
    UA_ByteString remoteEncryptingKey = {encrKL, &buf.data[signKL]};
    UA_ByteString remoteIv = {encrBS, &buf.data[signKL + encrKL]};

    /* Generate key */
    retval = sm->generateKey(sp->policyContext, &channel->localNonce,
                             &channel->remoteNonce, &buf);
    UA_CHECK_STATUS(retval, goto error);

    /* Set the channel context */
    retval |= cm->setRemoteSymSigningKey(cc, &remoteSigningKey);
    retval |= cm->setRemoteSymEncryptingKey(cc, &remoteEncryptingKey);
    retval |= cm->setRemoteSymIv(cc, &remoteIv);

 error:
    UA_CHECK_STATUS(retval, UA_LOG_WARNING_CHANNEL(sp->logger, channel,
                            "Could not generate remote keys (statuscode: %s)",
                            UA_StatusCode_name(retval)));
    UA_ByteString_clear(&buf);
    return retval;
}

/***************************/
/* Send Asymmetric Message */
/***************************/

/* The length of the static header content */
#define UA_SECURECHANNEL_ASYMMETRIC_SECURITYHEADER_FIXED_LENGTH 12

size_t
calculateAsymAlgSecurityHeaderLength(const UA_SecureChannel *channel) {
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_CHECK_MEM(sp, return UA_STATUSCODE_BADINTERNALERROR);

    size_t asymHeaderLength = UA_SECURECHANNEL_ASYMMETRIC_SECURITYHEADER_FIXED_LENGTH +
                              sp->policyUri.length;
    if(channel->securityMode == UA_MESSAGESECURITYMODE_NONE)
        return asymHeaderLength;

    /* OPN is always encrypted even if the mode is sign only */
    asymHeaderLength += 20; /* Thumbprints are always 20 byte long */
    asymHeaderLength += sp->localCertificate.length;
    return asymHeaderLength;
}

UA_StatusCode
prependHeadersAsym(UA_SecureChannel *const channel, UA_Byte *header_pos,
                   const UA_Byte *buf_end, size_t totalLength,
                   size_t securityHeaderLength, UA_UInt32 requestId,
                   size_t *const encryptedLength) {
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_CHECK_MEM(sp, return UA_STATUSCODE_BADINTERNALERROR);

    if(channel->securityMode == UA_MESSAGESECURITYMODE_NONE) {
        *encryptedLength = totalLength;
    } else {
        size_t dataToEncryptLength = totalLength -
            (UA_SECURECHANNEL_CHANNELHEADER_LENGTH + securityHeaderLength);
        size_t plainTextBlockSize = sp->asymmetricModule.cryptoModule.
            encryptionAlgorithm.getRemotePlainTextBlockSize(channel->channelContext);
        size_t encryptedBlockSize = sp->asymmetricModule.cryptoModule.
            encryptionAlgorithm.getRemoteBlockSize(channel->channelContext);

        /* Padding always fills up the last block */
        UA_assert(dataToEncryptLength % plainTextBlockSize == 0);
        size_t blocks = dataToEncryptLength / plainTextBlockSize;
        *encryptedLength = totalLength + blocks * (encryptedBlockSize - plainTextBlockSize);
    }

    UA_TcpMessageHeader messageHeader;
    messageHeader.messageTypeAndChunkType = UA_MESSAGETYPE_OPN + UA_CHUNKTYPE_FINAL;
    messageHeader.messageSize = (UA_UInt32)*encryptedLength;
    UA_UInt32 secureChannelId = channel->securityToken.channelId;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    retval |= UA_encodeBinaryInternal(&messageHeader,
                                      &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER],
                                      &header_pos, &buf_end, NULL, NULL);
    retval |= UA_UInt32_encodeBinary(&secureChannelId, &header_pos, buf_end);
    UA_CHECK_STATUS(retval, return retval);

    UA_AsymmetricAlgorithmSecurityHeader asymHeader;
    UA_AsymmetricAlgorithmSecurityHeader_init(&asymHeader);
    asymHeader.securityPolicyUri = sp->policyUri;
    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        asymHeader.senderCertificate = sp->localCertificate;
        asymHeader.receiverCertificateThumbprint.length = 20;
        asymHeader.receiverCertificateThumbprint.data = channel->remoteCertificateThumbprint;
    }
    retval = UA_encodeBinaryInternal(&asymHeader,
                &UA_TRANSPORT[UA_TRANSPORT_ASYMMETRICALGORITHMSECURITYHEADER],
                &header_pos, &buf_end, NULL, NULL);
    UA_CHECK_STATUS(retval, return retval);

    UA_SequenceHeader seqHeader;
    seqHeader.requestId = requestId;
    seqHeader.sequenceNumber = UA_atomic_addUInt32(&channel->sendSequenceNumber, 1);
    retval = UA_encodeBinaryInternal(&seqHeader, &UA_TRANSPORT[UA_TRANSPORT_SEQUENCEHEADER],
                                     &header_pos, &buf_end, NULL, NULL);
    return retval;
}

void
hideBytesAsym(const UA_SecureChannel *channel, UA_Byte **buf_start,
              const UA_Byte **buf_end) {
    /* Set buf_start to the beginning of the payload body */
    *buf_start += UA_SECURECHANNEL_CHANNELHEADER_LENGTH;
    *buf_start += calculateAsymAlgSecurityHeaderLength(channel);
    *buf_start += UA_SECURECHANNEL_SEQUENCEHEADER_LENGTH;

#ifdef UA_ENABLE_ENCRYPTION
    if(channel->securityMode == UA_MESSAGESECURITYMODE_NONE)
        return;

    /* Make space for the certificate */
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    *buf_end -= sp->asymmetricModule.cryptoModule.signatureAlgorithm.
        getLocalSignatureSize(channel->channelContext);

    /* Block sizes depend on the remote key (certificate) */
    size_t plainTextBlockSize = sp->asymmetricModule.cryptoModule.
        encryptionAlgorithm.getRemotePlainTextBlockSize(channel->channelContext);
    size_t encryptedBlockSize = sp->asymmetricModule.cryptoModule.
        encryptionAlgorithm.getRemoteBlockSize(channel->channelContext);
    UA_Boolean extraPadding = (sp->asymmetricModule.cryptoModule.encryptionAlgorithm.
                               getRemoteKeyLength(channel->channelContext) > 2048);

    /* Compute the maximum number of encrypted blocks that can fit entirely
     * before the signature. From that compute the maximum usable plaintext
     * size. */
    size_t maxEncrypted = (size_t)(*buf_end - *buf_start) +
        UA_SECURECHANNEL_SEQUENCEHEADER_LENGTH;
    size_t max_blocks = maxEncrypted / encryptedBlockSize;
    size_t paddingBytes = (UA_LIKELY(!extraPadding)) ? 1u : 2u;
    *buf_end = *buf_start + (max_blocks * plainTextBlockSize) -
        UA_SECURECHANNEL_SEQUENCEHEADER_LENGTH - paddingBytes;
#endif
}

#ifdef UA_ENABLE_ENCRYPTION

/* Assumes that pos can be advanced to the end of the current block */
void
padChunk(UA_SecureChannel *channel, const UA_SecurityPolicyCryptoModule *cm,
         const UA_Byte *start, UA_Byte **pos) {
    const size_t bytesToWrite = (uintptr_t)*pos - (uintptr_t)start;
    size_t signatureSize = cm->signatureAlgorithm.
        getLocalSignatureSize(channel->channelContext);
    size_t plainTextBlockSize = cm->encryptionAlgorithm.
        getRemotePlainTextBlockSize(channel->channelContext);
    UA_Boolean extraPadding = (cm->encryptionAlgorithm.
        getRemoteKeyLength(channel->channelContext) > 2048);
    size_t paddingBytes = (UA_LIKELY(!extraPadding)) ? 1u : 2u;

    size_t lastBlock = ((bytesToWrite + signatureSize + paddingBytes) % plainTextBlockSize);
    size_t paddingLength = (lastBlock != 0) ? plainTextBlockSize - lastBlock : 0;

    UA_LOG_TRACE_CHANNEL(channel->securityPolicy->logger, channel,
                         "Add %lu bytes of padding plus %lu padding size bytes",
                         (long unsigned int)paddingLength,
                         (long unsigned int)paddingBytes);

    /* Write the padding. This is <= because the paddingSize byte also has to be
     * written */
    UA_Byte paddingByte = (UA_Byte)paddingLength;
    for(UA_UInt16 i = 0; i <= paddingLength; ++i) {
        **pos = paddingByte;
        ++*pos;
    }

    /* Write the extra padding byte if required */
    if(extraPadding) {
        **pos = (UA_Byte)(paddingLength >> 8u);
        ++*pos;
    }
}

UA_StatusCode
signAndEncryptAsym(UA_SecureChannel *channel, size_t preSignLength,
                   UA_ByteString *buf, size_t securityHeaderLength,
                   size_t totalLength) {
    if(channel->securityMode != UA_MESSAGESECURITYMODE_SIGN &&
       channel->securityMode != UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        return UA_STATUSCODE_GOOD;

    /* Sign message */
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    const UA_ByteString dataToSign = {preSignLength, buf->data};
    size_t sigsize = sp->asymmetricModule.cryptoModule.signatureAlgorithm.
        getLocalSignatureSize(channel->channelContext);
    UA_ByteString signature = {sigsize, buf->data + preSignLength};
    UA_StatusCode retval = sp->asymmetricModule.cryptoModule.signatureAlgorithm.
        sign(channel->channelContext, &dataToSign, &signature);
    UA_CHECK_STATUS(retval, return retval);

    /* Specification part 6, 6.7.4: The OpenSecureChannel Messages are
     * signed and encrypted if the SecurityMode is not None (even if the
     * SecurityMode is SignOnly). */
    size_t unencrypted_length =
        UA_SECURECHANNEL_CHANNELHEADER_LENGTH + securityHeaderLength;
    UA_ByteString dataToEncrypt = {totalLength - unencrypted_length,
                                   &buf->data[unencrypted_length]};
    return sp->asymmetricModule.cryptoModule.encryptionAlgorithm.
        encrypt(channel->channelContext, &dataToEncrypt);
}

/**************************/
/* Send Symmetric Message */
/**************************/

UA_StatusCode
signAndEncryptSym(UA_MessageContext *messageContext,
                  size_t preSigLength, size_t totalLength) {
    const UA_SecureChannel *channel = messageContext->channel;
    if(channel->securityMode == UA_MESSAGESECURITYMODE_NONE)
        return UA_STATUSCODE_GOOD;

    /* Sign */
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_ByteString dataToSign = messageContext->messageBuffer;
    dataToSign.length = preSigLength;
    UA_ByteString signature;
    signature.length = sp->symmetricModule.cryptoModule.signatureAlgorithm.
        getLocalSignatureSize(channel->channelContext);
    signature.data = messageContext->buf_pos;
    UA_StatusCode res = sp->symmetricModule.cryptoModule.signatureAlgorithm.
        sign(channel->channelContext, &dataToSign, &signature);
    UA_CHECK_STATUS(res, return res);

    if(channel->securityMode != UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        return UA_STATUSCODE_GOOD;

    /* Encrypt */
    UA_ByteString dataToEncrypt;
    dataToEncrypt.data = messageContext->messageBuffer.data +
        UA_SECURECHANNEL_CHANNELHEADER_LENGTH + 
        UA_SECURECHANNEL_SYMMETRIC_SECURITYHEADER_LENGTH;
    dataToEncrypt.length = totalLength -
        (UA_SECURECHANNEL_CHANNELHEADER_LENGTH + 
         UA_SECURECHANNEL_SYMMETRIC_SECURITYHEADER_LENGTH);
    return sp->symmetricModule.cryptoModule.encryptionAlgorithm.
        encrypt(channel->channelContext, &dataToEncrypt);
}

#endif /* UA_ENABLE_ENCRYPTION */

void
setBufPos(UA_MessageContext *mc) {
    /* Forward the data pointer so that the payload is encoded after the message
     * header. This has to be a symmetric message because OPN (with asymmetric
     * encryption) does not support chunking. */
    mc->buf_pos = &mc->messageBuffer.data[UA_SECURECHANNEL_SYMMETRIC_HEADER_TOTALLENGTH];
    mc->buf_end = &mc->messageBuffer.data[mc->messageBuffer.length];

#ifdef UA_ENABLE_ENCRYPTION
    if(mc->channel->securityMode == UA_MESSAGESECURITYMODE_NONE)
        return;

    const UA_SecureChannel *channel = mc->channel;
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    size_t sigsize = sp->symmetricModule.cryptoModule.signatureAlgorithm.
        getLocalSignatureSize(channel->channelContext);
    size_t plainBlockSize = sp->symmetricModule.cryptoModule.
        encryptionAlgorithm.getRemotePlainTextBlockSize(channel->channelContext);

    /* Assuming that for symmetric encryption the plainTextBlockSize ==
     * cypherTextBlockSize. For symmetric encryption the remote/local block
     * sizes are identical. */
    UA_assert(sp->symmetricModule.cryptoModule.encryptionAlgorithm.
              getRemoteBlockSize(channel->channelContext) == plainBlockSize);

    /* Leave enough space for the signature and padding */
    mc->buf_end -= sigsize;
    mc->buf_end -= mc->messageBuffer.length % plainBlockSize;

    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        /* Reserve space for the padding bytes */
        UA_Boolean extraPadding =
            (sp->symmetricModule.cryptoModule.encryptionAlgorithm.
             getRemoteKeyLength(channel->channelContext) > 2048);
        mc->buf_end -= (UA_LIKELY(!extraPadding)) ? 1 : 2;
    }

    UA_LOG_TRACE_CHANNEL(sp->logger, channel,
                         "Prepare a symmetric message buffer of length %lu "
                         "with a usable maximum payload length of %lu",
                         (long unsigned)mc->messageBuffer.length,
                         (long unsigned)((uintptr_t)mc->buf_end -
                                         (uintptr_t)mc->messageBuffer.data));
#endif
}

/****************************/
/* Process a received Chunk */
/****************************/

static size_t
decodePadding(const UA_SecureChannel *channel,
              const UA_SecurityPolicyCryptoModule *cryptoModule,
              const UA_ByteString *chunk, size_t sigsize) {
    /* Read the byte with the padding size */
    size_t paddingSize = chunk->data[chunk->length - sigsize - 1];

    /* Extra padding size */
    if(cryptoModule->encryptionAlgorithm.
       getLocalKeyLength(channel->channelContext) > 2048) {
        paddingSize <<= 8u;
        paddingSize += chunk->data[chunk->length - sigsize - 2];
        paddingSize += 1; /* Extra padding byte itself */
    }

    /* Add one since the paddingSize byte itself needs to be removed as well */
    return paddingSize + 1;
}

static UA_StatusCode
verifySignature(const UA_SecureChannel *channel,
                const UA_SecurityPolicyCryptoModule *cryptoModule,
                const UA_ByteString *chunk, size_t sigsize) {
    UA_LOG_TRACE_CHANNEL(channel->securityPolicy->logger, channel,
                         "Verifying chunk signature");
    UA_CHECK(sigsize < chunk->length, return UA_STATUSCODE_BADSECURITYCHECKSFAILED);
    const UA_ByteString content = {chunk->length - sigsize, chunk->data};
    const UA_ByteString sig = {sigsize, chunk->data + chunk->length - sigsize};
    UA_StatusCode retval = cryptoModule->signatureAlgorithm.
        verify(channel->channelContext, &content, &sig);
#ifdef UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
    retval |= decrypt_verifySignatureFailure;
#endif
    return retval;
}

/* Sets the payload to a pointer inside the chunk buffer. Returns the requestId
 * and the sequenceNumber */
UA_StatusCode
decryptAndVerifyChunk(const UA_SecureChannel *channel,
                      const UA_SecurityPolicyCryptoModule *cryptoModule,
                      UA_MessageType messageType, UA_ByteString *chunk,
                      size_t offset) {
    /* Decrypt the chunk */
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT ||
       messageType == UA_MESSAGETYPE_OPN) {
        UA_ByteString cipher = {chunk->length - offset, chunk->data + offset};
        res = cryptoModule->encryptionAlgorithm.decrypt(channel->channelContext, &cipher);
        UA_CHECK_STATUS(res, return res);
        chunk->length = cipher.length + offset;
    }

    /* Does the message have a signature? */
    if(channel->securityMode != UA_MESSAGESECURITYMODE_SIGN &&
       channel->securityMode != UA_MESSAGESECURITYMODE_SIGNANDENCRYPT &&
       messageType != UA_MESSAGETYPE_OPN)
        return UA_STATUSCODE_GOOD;

    /* Verify the chunk signature */
    size_t sigsize = cryptoModule->signatureAlgorithm.
        getRemoteSignatureSize(channel->channelContext);
    res = verifySignature(channel, cryptoModule, chunk, sigsize);
    UA_CHECK_STATUS(res,
       UA_LOG_WARNING_CHANNEL(channel->securityPolicy->logger, channel,
                              "Could not verify the signature"); return res);

    /* Compute the padding if the payload as encrypted */
    size_t padSize = 0;
    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT ||
       (messageType == UA_MESSAGETYPE_OPN &&
        cryptoModule->encryptionAlgorithm.uri.length > 0)) {
        padSize = decodePadding(channel, cryptoModule, chunk, sigsize);
        UA_LOG_TRACE_CHANNEL(channel->securityPolicy->logger, channel,
                             "Calculated padding size to be %lu",
                             (long unsigned)padSize);
    }

    /* Verify the content length. The encrypted payload has to be at least 9
     * bytes long: 8 byte for the SequenceHeader and one byte for the actual
     * message */
    UA_CHECK(offset + padSize + sigsize + 9 < chunk->length,
             UA_LOG_WARNING_CHANNEL(channel->securityPolicy->logger, channel,
                                    "Impossible padding value");
             return UA_STATUSCODE_BADSECURITYCHECKSFAILED);

    /* Hide the signature and padding */
    chunk->length -= (sigsize + padSize);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
checkAsymHeader(UA_SecureChannel *channel,
                const UA_AsymmetricAlgorithmSecurityHeader *asymHeader) {
    const UA_SecurityPolicy *sp = channel->securityPolicy;
    if(!UA_ByteString_equal(&sp->policyUri, &asymHeader->securityPolicyUri))
        return UA_STATUSCODE_BADSECURITYPOLICYREJECTED;

    return sp->asymmetricModule.
        compareCertificateThumbprint(sp, &asymHeader->receiverCertificateThumbprint);

    /* The certificate in the header is verified via the configured PKI plugin
     * as certificateVerification.verifyCertificate(...). We cannot do it here
     * because the client/server context is needed. */
}

UA_StatusCode
checkSymHeader(UA_SecureChannel *channel, const UA_UInt32 tokenId) {
    /* If no match, try to revolve to the next token after a
     * RenewSecureChannel */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_ChannelSecurityToken *token = &channel->securityToken;
    switch(channel->renewState) {
    case UA_SECURECHANNELRENEWSTATE_NORMAL:
    case UA_SECURECHANNELRENEWSTATE_SENT:
    default:
        break;

    case UA_SECURECHANNELRENEWSTATE_NEWTOKEN_SERVER:
        /* Old token still in use */
        if(tokenId == channel->securityToken.tokenId)
            break;

        /* Not the new token */
        UA_CHECK(tokenId == channel->altSecurityToken.tokenId,
                 UA_LOG_WARNING_CHANNEL(channel->securityPolicy->logger, channel,
                                        "Unknown SecurityToken");
                 return UA_STATUSCODE_BADSECURECHANNELTOKENUNKNOWN);

        /* Roll over to the new token, generate new local and remote keys */
        channel->renewState = UA_SECURECHANNELRENEWSTATE_NORMAL;
        channel->securityToken = channel->altSecurityToken;
        UA_ChannelSecurityToken_init(&channel->altSecurityToken);
        retval |= UA_SecureChannel_generateLocalKeys(channel);
        retval |= generateRemoteKeys(channel);
        UA_CHECK_STATUS(retval, return retval);
        break;

    case UA_SECURECHANNELRENEWSTATE_NEWTOKEN_CLIENT:
        /* The server is still using the old token. That's okay. */
        if(tokenId == channel->altSecurityToken.tokenId) {
            token = &channel->altSecurityToken;
            break;
        }

        /* Not the new token */
        UA_CHECK(tokenId == channel->securityToken.tokenId,
                 UA_LOG_WARNING_CHANNEL(channel->securityPolicy->logger, channel,
                                        "Unknown SecurityToken");
                 return UA_STATUSCODE_BADSECURECHANNELTOKENUNKNOWN);

        /* The remote server uses the new token for the first time. Delete the
         * old token and roll the remote key over. The local key already uses
         * the nonce pair from the last OPN exchange. */
        channel->renewState = UA_SECURECHANNELRENEWSTATE_NORMAL;
        UA_ChannelSecurityToken_init(&channel->altSecurityToken);
        retval = generateRemoteKeys(channel);
        UA_CHECK_STATUS(retval, return retval);
    }

    UA_DateTime timeout = token->createdAt + (token->revisedLifetime * UA_DATETIME_MSEC);
    if(channel->state == UA_SECURECHANNELSTATE_OPEN &&
       timeout < UA_DateTime_nowMonotonic()) {
        UA_LOG_WARNING_CHANNEL(channel->securityPolicy->logger, channel,
                               "SecurityToken timed out");
        UA_SecureChannel_close(channel);
        return UA_STATUSCODE_BADSECURECHANNELCLOSED;
    }

    return UA_STATUSCODE_GOOD;
}

/**** amalgamated original file "/src/server/ua_session.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2018 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */

#ifdef UA_ENABLE_SUBSCRIPTIONS
#endif

#define UA_SESSION_NONCELENTH 32

void UA_Session_init(UA_Session *session) {
    memset(session, 0, sizeof(UA_Session));
    session->availableContinuationPoints = UA_MAXCONTINUATIONPOINTS;
#ifdef UA_ENABLE_SUBSCRIPTIONS
    SIMPLEQ_INIT(&session->responseQueue);
    TAILQ_INIT(&session->subscriptions);
#endif
}

void UA_Session_clear(UA_Session *session, UA_Server* server) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Remove all Subscriptions. This may send out remaining publish
     * responses. */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_Subscription *sub, *tempsub;
    TAILQ_FOREACH_SAFE(sub, &session->subscriptions, sessionListEntry, tempsub) {
        UA_Subscription_delete(server, sub);
    }
#endif

#ifdef UA_ENABLE_DIAGNOSTICS
    deleteNode(server, session->sessionId, true);
#endif

    UA_Session_detachFromSecureChannel(session);
    UA_ApplicationDescription_clear(&session->clientDescription);
    UA_NodeId_clear(&session->header.authenticationToken);
    UA_NodeId_clear(&session->sessionId);
    UA_String_clear(&session->sessionName);
    UA_ByteString_clear(&session->serverNonce);
    struct ContinuationPoint *cp, *next = session->continuationPoints;
    while((cp = next)) {
        next = ContinuationPoint_clear(cp);
        UA_free(cp);
    }
    session->continuationPoints = NULL;
    session->availableContinuationPoints = UA_MAXCONTINUATIONPOINTS;

    UA_Array_delete(session->params, session->paramsSize,
                    &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);
    session->params = NULL;
    session->paramsSize = 0;

    UA_Array_delete(session->localeIds, session->localeIdsSize,
                    &UA_TYPES[UA_TYPES_STRING]);
    session->localeIds = NULL;
    session->localeIdsSize = 0;

#ifdef UA_ENABLE_DIAGNOSTICS
    UA_SessionDiagnosticsDataType_clear(&session->diagnostics);
    UA_SessionSecurityDiagnosticsDataType_clear(&session->securityDiagnostics);
#endif
}

void
UA_Session_attachToSecureChannel(UA_Session *session, UA_SecureChannel *channel) {
    UA_Session_detachFromSecureChannel(session);
    session->header.channel = channel;
    session->header.serverSession = true;
    SLIST_INSERT_HEAD(&channel->sessions, &session->header, next);
}

void
UA_Session_detachFromSecureChannel(UA_Session *session) {
    UA_SecureChannel *channel = session->header.channel;
    if(!channel)
        return;
    session->header.channel = NULL;
    UA_SessionHeader *sh;
    SLIST_FOREACH(sh, &channel->sessions, next) {
        if((UA_Session*)sh != session)
            continue;
        SLIST_REMOVE(&channel->sessions, sh, UA_SessionHeader, next);
        break;
    }

    /* Clean up the response queue. Their RequestId is bound to the
     * SecureChannel so they cannot be reused. */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_PublishResponseEntry *pre;
    while((pre = UA_Session_dequeuePublishReq(session))) {
        UA_PublishResponse_clear(&pre->response);
        UA_free(pre);
    }
#endif
}

UA_StatusCode
UA_Session_generateNonce(UA_Session *session) {
    UA_SecureChannel *channel = session->header.channel;
    if(!channel || !channel->securityPolicy)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Is the length of the previous nonce correct? */
    if(session->serverNonce.length != UA_SESSION_NONCELENTH) {
        UA_ByteString_clear(&session->serverNonce);
        UA_StatusCode retval =
            UA_ByteString_allocBuffer(&session->serverNonce, UA_SESSION_NONCELENTH);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    return channel->securityPolicy->symmetricModule.
        generateNonce(channel->securityPolicy->policyContext, &session->serverNonce);
}

void UA_Session_updateLifetime(UA_Session *session) {
    session->validTill = UA_DateTime_nowMonotonic() +
        (UA_DateTime)(session->timeout * UA_DATETIME_MSEC);
#ifdef UA_ENABLE_DIAGNOSTICS
    session->diagnostics.clientLastContactTime = UA_DateTime_now();
#endif
}

#ifdef UA_ENABLE_SUBSCRIPTIONS

void
UA_Session_attachSubscription(UA_Session *session, UA_Subscription *sub) {
    /* Attach to the session */
    sub->session = session;

    /* Increase the count */
    session->subscriptionsSize++;

    /* Increase the number of outstanding retransmissions */
    session->totalRetransmissionQueueSize += sub->retransmissionQueueSize;

    /* Insert at the end of the subscriptions of the same priority / just before
     * the subscriptions with the next lower priority. */
    UA_Subscription *after = NULL;
    TAILQ_FOREACH(after, &session->subscriptions, sessionListEntry) {
        if(after->priority < sub->priority) {
            TAILQ_INSERT_BEFORE(after, sub, sessionListEntry);
            return;
        }
    }
    TAILQ_INSERT_TAIL(&session->subscriptions, sub, sessionListEntry);
}

void
UA_Session_detachSubscription(UA_Server *server, UA_Session *session,
                              UA_Subscription *sub, UA_Boolean releasePublishResponses) {
    /* Detach from the session */
    sub->session = NULL;
    TAILQ_REMOVE(&session->subscriptions, sub, sessionListEntry);

    /* Reduce the count */
    UA_assert(session->subscriptionsSize > 0);
    session->subscriptionsSize--;

    /* Reduce the number of outstanding retransmissions */
    session->totalRetransmissionQueueSize -= sub->retransmissionQueueSize;
    
    /* Send remaining publish responses if the last subscription was removed */
    if(!releasePublishResponses || !TAILQ_EMPTY(&session->subscriptions))
        return;
    UA_PublishResponseEntry *pre;
    while((pre = UA_Session_dequeuePublishReq(session))) {
        UA_PublishResponse *response = &pre->response;
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOSUBSCRIPTION;
        response->responseHeader.timestamp = UA_DateTime_now();
        sendResponse(server, session, session->header.channel, pre->requestId,
                     (UA_Response*)response, &UA_TYPES[UA_TYPES_PUBLISHRESPONSE]);
        UA_PublishResponse_clear(response);
        UA_free(pre);
    }
}

UA_Subscription *
UA_Session_getSubscriptionById(UA_Session *session, UA_UInt32 subscriptionId) {
    UA_Subscription *sub;
    TAILQ_FOREACH(sub, &session->subscriptions, sessionListEntry) {
        /* Prevent lookup of subscriptions that are to be deleted with a statuschange */
        if(sub->statusChange != UA_STATUSCODE_GOOD)
            continue;
        if(sub->subscriptionId == subscriptionId)
            break;
    }
    return sub;
}

UA_Subscription *
UA_Server_getSubscriptionById(UA_Server *server, UA_UInt32 subscriptionId) {
    UA_Subscription *sub;
    LIST_FOREACH(sub, &server->subscriptions, serverListEntry) {
        /* Prevent lookup of subscriptions that are to be deleted with a statuschange */
        if(sub->statusChange != UA_STATUSCODE_GOOD)
            continue;
        if(sub->subscriptionId == subscriptionId)
            break;
    }
    return sub;
}

UA_PublishResponseEntry*
UA_Session_dequeuePublishReq(UA_Session *session) {
    UA_PublishResponseEntry* entry = SIMPLEQ_FIRST(&session->responseQueue);
    if(entry) {
        SIMPLEQ_REMOVE_HEAD(&session->responseQueue, listEntry);
        session->responseQueueSize--;
    }
    return entry;
}

void
UA_Session_queuePublishReq(UA_Session *session, UA_PublishResponseEntry* entry,
                           UA_Boolean head) {
    if(!head)
        SIMPLEQ_INSERT_TAIL(&session->responseQueue, entry, listEntry);
    else
        SIMPLEQ_INSERT_HEAD(&session->responseQueue, entry, listEntry);
    session->responseQueueSize++;
}

#endif

/* Session Handling */

UA_StatusCode
UA_Server_closeSession(UA_Server *server, const UA_NodeId *sessionId) {
    UA_LOCK(&server->serviceMutex);
    session_list_entry *entry;
    UA_StatusCode res = UA_STATUSCODE_BADSESSIONIDINVALID;
    LIST_FOREACH(entry, &server->sessions, pointers) {
        if(UA_NodeId_equal(&entry->session.sessionId, sessionId)) {
            UA_Server_removeSession(server, entry, UA_DIAGNOSTICEVENT_CLOSE);
            res = UA_STATUSCODE_GOOD;
            break;
        }
    }
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

UA_StatusCode
UA_Server_setSessionParameter(UA_Server *server, const UA_NodeId *sessionId,
                              const char *name, const UA_Variant *parameter) {
    UA_LOCK(&server->serviceMutex);
    UA_Session *session = UA_Server_getSessionById(server, sessionId);
    UA_StatusCode res = UA_STATUSCODE_BADSESSIONIDINVALID;
    if(session)
        res = UA_KeyValueMap_set(&session->params, &session->paramsSize,
                                 name, parameter);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

void
UA_Server_deleteSessionParameter(UA_Server *server, const UA_NodeId *sessionId,
                                 const char *name) {
    UA_LOCK(&server->serviceMutex);
    UA_Session *session = UA_Server_getSessionById(server, sessionId);
    if(session)
        UA_KeyValueMap_delete(&session->params, &session->paramsSize, name);
    UA_UNLOCK(&server->serviceMutex);
}

UA_StatusCode
UA_Server_getSessionParameter(UA_Server *server, const UA_NodeId *sessionId,
                              const char *name, UA_Variant *outParameter) {
    UA_LOCK(&server->serviceMutex);
    if(!outParameter) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    UA_Session *session = UA_Server_getSessionById(server, sessionId);
    if(!session) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADSESSIONIDINVALID;
    }

    const UA_Variant *param =
        UA_KeyValueMap_get(session->params, session->paramsSize, name);
    if(!param) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADNOTFOUND;
    }

    UA_StatusCode res = UA_Variant_copy(param, outParameter);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

UA_StatusCode
UA_Server_getSessionScalarParameter(UA_Server *server, const UA_NodeId *sessionId,
                                    const char *name, const UA_DataType *type,
                                    UA_Variant *outParameter) {
    UA_LOCK(&server->serviceMutex);
    if(!outParameter) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    UA_Session *session = UA_Server_getSessionById(server, sessionId);
    if(!session) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADSESSIONIDINVALID;
    }

    const UA_Variant *param =
        UA_KeyValueMap_get(session->params, session->paramsSize, name);
    if(!param || !UA_Variant_hasScalarType(param, type)) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADNOTFOUND;
    }

    UA_StatusCode res = UA_Variant_copy(param, outParameter);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

UA_StatusCode
UA_Server_getSessionArrayParameter(UA_Server *server, const UA_NodeId *sessionId,
                                   const char *name, const UA_DataType *type,
                                   UA_Variant *outParameter) {
    UA_LOCK(&server->serviceMutex);
    if(!outParameter) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    UA_Session *session = UA_Server_getSessionById(server, sessionId);
    if(!session) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADSESSIONIDINVALID;
    }

    const UA_Variant *param =
        UA_KeyValueMap_get(session->params, session->paramsSize, name);
    if(!param || !UA_Variant_hasArrayType(param, type)) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADNOTFOUND;
    }

    UA_StatusCode res = UA_Variant_copy(param, outParameter);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

/**** amalgamated original file "/src/server/ua_nodes.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2015-2018, 2021 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015, 2017 (c) Florian Palm
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Julian Grothoff
 */


/*****************/
/* Node Pointers */
/*****************/

#define UA_NODEPOINTER_MASK 0x03
#define UA_NODEPOINTER_TAG_IMMEDIATE 0x00
#define UA_NODEPOINTER_TAG_NODEID 0x01
#define UA_NODEPOINTER_TAG_EXPANDEDNODEID 0x02
#define UA_NODEPOINTER_TAG_NODE 0x03

void
UA_NodePointer_clear(UA_NodePointer *np) {
    switch(np->immediate & UA_NODEPOINTER_MASK) {
    case UA_NODEPOINTER_TAG_NODEID:
        np->immediate &= ~(uintptr_t)UA_NODEPOINTER_MASK;
        UA_NodeId_delete((UA_NodeId*)(uintptr_t)np->id);
        break;
    case UA_NODEPOINTER_TAG_EXPANDEDNODEID:
        np->immediate &= ~(uintptr_t)UA_NODEPOINTER_MASK;
        UA_ExpandedNodeId_delete((UA_ExpandedNodeId*)(uintptr_t)
                                 np->expandedId);
        break;
    default:
        break;
    }
    UA_NodePointer_init(np);
}

UA_StatusCode
UA_NodePointer_copy(UA_NodePointer in, UA_NodePointer *out) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    UA_Byte tag = in.immediate & UA_NODEPOINTER_MASK;
    in.immediate &= ~(uintptr_t)UA_NODEPOINTER_MASK;
    switch(tag) {
    case UA_NODEPOINTER_TAG_NODE:
        in.id = &in.node->nodeId;
        goto nodeid; /* fallthrough */
    case UA_NODEPOINTER_TAG_NODEID:
    nodeid:
        out->id = UA_NodeId_new();
        if(!out->id)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        res = UA_NodeId_copy(in.id, (UA_NodeId*)(uintptr_t)out->id);
        if(res != UA_STATUSCODE_GOOD) {
            UA_free((void*)out->immediate);
            out->immediate = 0;
            break;
        }
        out->immediate |= UA_NODEPOINTER_TAG_NODEID;
        break;
    case UA_NODEPOINTER_TAG_EXPANDEDNODEID:
        out->expandedId = UA_ExpandedNodeId_new();
        if(!out->expandedId)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        res = UA_ExpandedNodeId_copy(in.expandedId,
                                     (UA_ExpandedNodeId*)(uintptr_t)
                                     out->expandedId);
        if(res != UA_STATUSCODE_GOOD) {
            UA_free((void*)out->immediate);
            out->immediate = 0;
            break;
        }
        out->immediate |= UA_NODEPOINTER_TAG_EXPANDEDNODEID;
        break;
    default:
    case UA_NODEPOINTER_TAG_IMMEDIATE:
        *out = in;
        break;
    }
    return res;
}

UA_Boolean
UA_NodePointer_isLocal(UA_NodePointer np) {
    UA_Byte tag = np.immediate & UA_NODEPOINTER_MASK;
    return (tag != UA_NODEPOINTER_TAG_EXPANDEDNODEID);
}

UA_Order
UA_NodePointer_order(UA_NodePointer p1, UA_NodePointer p2) {
    if(p1.immediate == p2.immediate)
        return UA_ORDER_EQ;

    /* Extract the tag and resolve pointers to nodes */
    UA_Byte tag1 = p1.immediate & UA_NODEPOINTER_MASK;
    if(tag1 == UA_NODEPOINTER_TAG_NODE) {
        p1 = UA_NodePointer_fromNodeId(&p1.node->nodeId);
        tag1 = p1.immediate & UA_NODEPOINTER_MASK;
    }
    UA_Byte tag2 = p2.immediate & UA_NODEPOINTER_MASK;
    if(tag2 == UA_NODEPOINTER_TAG_NODE) {
        p2 = UA_NodePointer_fromNodeId(&p2.node->nodeId);
        tag2 = p2.immediate & UA_NODEPOINTER_MASK;
    }

    /* Different tags, cannot be identical */
    if(tag1 != tag2)
        return (tag1 > tag2) ? UA_ORDER_MORE : UA_ORDER_LESS;

    /* Immediate */
    if(UA_LIKELY(tag1 == UA_NODEPOINTER_TAG_IMMEDIATE))
        return (p1.immediate > p2.immediate) ?
            UA_ORDER_MORE : UA_ORDER_LESS;

    /* Compare from pointers */
    p1.immediate &= ~(uintptr_t)UA_NODEPOINTER_MASK;
    p2.immediate &= ~(uintptr_t)UA_NODEPOINTER_MASK;
    if(tag1 == UA_NODEPOINTER_TAG_EXPANDEDNODEID)
        return UA_ExpandedNodeId_order(p1.expandedId, p2.expandedId);
    return UA_NodeId_order(p1.id, p2.id);
}

UA_NodePointer
UA_NodePointer_fromNodeId(const UA_NodeId *id) {
    UA_NodePointer np;
    if(id->identifierType != UA_NODEIDTYPE_NUMERIC) {
        np.id = id;
        np.immediate |= UA_NODEPOINTER_TAG_NODEID;
        return np;
    }

#if SIZE_MAX > UA_UINT32_MAX
    /* 64bit: 4 Byte for the numeric identifier + 2 Byte for the namespaceIndex
     *        + 1 Byte for the tagging bit (zero) */
    np.immediate  = ((uintptr_t)id->identifier.numeric) << 32;
    np.immediate |= ((uintptr_t)id->namespaceIndex) << 8;
#else
    /* 32bit: 3 Byte for the numeric identifier + 6 Bit for the namespaceIndex
     *        + 2 Bit for the tagging bit (zero) */
    if(id->namespaceIndex < (0x01 << 6) &&
       id->identifier.numeric < (0x01 << 24)) {
        np.immediate  = ((uintptr_t)id->identifier.numeric) << 8;
        np.immediate |= ((uintptr_t)id->namespaceIndex) << 2;
    } else {
        np.id = id;
        np.immediate |= UA_NODEPOINTER_TAG_NODEID;
    }
#endif
    return np;
}

UA_NodeId
UA_NodePointer_toNodeId(UA_NodePointer np) {
    UA_Byte tag = np.immediate & UA_NODEPOINTER_MASK;
    np.immediate &= ~(uintptr_t)UA_NODEPOINTER_MASK;
    switch(tag) {
    case UA_NODEPOINTER_TAG_NODE:
        return np.node->nodeId;
    case UA_NODEPOINTER_TAG_NODEID:
        return *np.id;
    case UA_NODEPOINTER_TAG_EXPANDEDNODEID:
        return np.expandedId->nodeId;
    default:
    case UA_NODEPOINTER_TAG_IMMEDIATE:
        break;
    }

    UA_NodeId id;
    id.identifierType = UA_NODEIDTYPE_NUMERIC;
#if SIZE_MAX > UA_UINT32_MAX /* 64bit */
    id.namespaceIndex = (UA_UInt16)(np.immediate >> 8);
    id.identifier.numeric = (UA_UInt32)(np.immediate >> 32);
#else                        /* 32bit */
    id.namespaceIndex = ((UA_Byte)np.immediate) >> 2;
    id.identifier.numeric = np.immediate >> 8;
#endif
    return id;
}

UA_NodePointer
UA_NodePointer_fromExpandedNodeId(const UA_ExpandedNodeId *id) {
    if(!UA_ExpandedNodeId_isLocal(id)) {
        UA_NodePointer np;
        np.expandedId = id;
        np.immediate |= UA_NODEPOINTER_TAG_EXPANDEDNODEID;
        return np;
    }
    return UA_NodePointer_fromNodeId(&id->nodeId);
}

UA_ExpandedNodeId
UA_NodePointer_toExpandedNodeId(UA_NodePointer np) {
    /* Resolve node pointer to get the NodeId */
    UA_Byte tag = np.immediate & UA_NODEPOINTER_MASK;
    if(tag == UA_NODEPOINTER_TAG_NODE) {
        np = UA_NodePointer_fromNodeId(&np.node->nodeId);
        tag = np.immediate & UA_NODEPOINTER_MASK;
    }

    /* ExpandedNodeId, make a shallow copy */
    if(tag == UA_NODEPOINTER_TAG_EXPANDEDNODEID) {
        np.immediate &= ~(uintptr_t)UA_NODEPOINTER_MASK;
        return *np.expandedId;
    }

    /* NodeId, either immediate or via a pointer */
    UA_ExpandedNodeId en;
    UA_ExpandedNodeId_init(&en);
    en.nodeId = UA_NodePointer_toNodeId(np);
    return en;
}

/**************/
/* References */
/**************/

static UA_StatusCode
addReferenceTarget(UA_NodeReferenceKind *refs, UA_NodePointer target,
                   UA_UInt32 targetNameHash);

static enum aa_cmp
cmpRefTargetId(const void *a, const void *b) {
    const UA_ReferenceTargetTreeElem *aa = (const UA_ReferenceTargetTreeElem*)a;
    const UA_ReferenceTargetTreeElem *bb = (const UA_ReferenceTargetTreeElem*)b;
    if(aa->targetIdHash < bb->targetIdHash)
        return AA_CMP_LESS;
    if(aa->targetIdHash > bb->targetIdHash)
        return AA_CMP_MORE;
    return (enum aa_cmp)UA_NodePointer_order(aa->target.targetId,
                                             bb->target.targetId);
}

static enum aa_cmp
cmpRefTargetName(const void *a, const void *b) {
    const UA_UInt32 *nameHashA = (const UA_UInt32*)a;
    const UA_UInt32 *nameHashB = (const UA_UInt32*)b;
    if(*nameHashA < *nameHashB)
        return AA_CMP_LESS;
    if(*nameHashA > *nameHashB)
        return AA_CMP_MORE;
    return AA_CMP_EQ;
}

/* Reusable binary search tree "heads". Just switch out the root pointer. */
static const struct aa_head refIdTree =
    { NULL, cmpRefTargetId, offsetof(UA_ReferenceTargetTreeElem, idTreeEntry), 0 };
const struct aa_head refNameTree =
    { NULL, cmpRefTargetName, offsetof(UA_ReferenceTargetTreeElem, nameTreeEntry),
      offsetof(UA_ReferenceTarget, targetNameHash) };

const UA_ReferenceTarget *
UA_NodeReferenceKind_iterate(const UA_NodeReferenceKind *rk,
                             const UA_ReferenceTarget *prev) {
    /* Return from the tree */
    if(rk->hasRefTree) {
        const struct aa_head _refIdTree =
            { rk->targets.tree.idTreeRoot, cmpRefTargetId,
              offsetof(UA_ReferenceTargetTreeElem, idTreeEntry), 0 };
        if(prev == NULL)
            return (const UA_ReferenceTarget*)aa_min(&_refIdTree);
        return (const UA_ReferenceTarget*)aa_next(&_refIdTree, prev);
    }
    if(prev == NULL) /* Return start of the array */
        return rk->targets.array;
    if(prev + 1 >= &rk->targets.array[rk->targetsSize])
        return NULL; /* End of the array */
    return prev + 1; /* Next element in the array */
}

/* Also deletes the elements of the tree */
static void
moveTreeToArray(UA_ReferenceTarget *array, size_t *pos,
                struct aa_entry *entry) {
    if(!entry)
        return;
    UA_ReferenceTargetTreeElem *elem = (UA_ReferenceTargetTreeElem*)
        ((uintptr_t)entry - offsetof(UA_ReferenceTargetTreeElem, idTreeEntry));
    moveTreeToArray(array, pos, elem->idTreeEntry.left);
    moveTreeToArray(array, pos, elem->idTreeEntry.right);
    array[*pos] = elem->target;
    (*pos)++;
    UA_free(elem);
}

UA_StatusCode
UA_NodeReferenceKind_switch(UA_NodeReferenceKind *rk) {
    if(rk->hasRefTree) {
        /* From tree to array */
        UA_ReferenceTarget *array = (UA_ReferenceTarget*)
            UA_malloc(sizeof(UA_ReferenceTarget) * rk->targetsSize);
        if(!array)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        size_t pos = 0;
        moveTreeToArray(array, &pos, rk->targets.tree.idTreeRoot);
        rk->targets.array = array;
        rk->hasRefTree = false;
        return UA_STATUSCODE_GOOD;
    }

    /* From array to tree */
    UA_NodeReferenceKind newRk = *rk;
    newRk.hasRefTree = true;
    newRk.targets.tree.idTreeRoot = NULL;
    newRk.targets.tree.nameTreeRoot = NULL;
    for(size_t i = 0; i < rk->targetsSize; i++) {
        UA_StatusCode res =
            addReferenceTarget(&newRk, rk->targets.array[i].targetId,
                               rk->targets.array[i].targetNameHash);
        if(res != UA_STATUSCODE_GOOD) {
            struct aa_head _refIdTree = refIdTree;
            _refIdTree.root = newRk.targets.tree.idTreeRoot;
            while(_refIdTree.root) {
                UA_ReferenceTargetTreeElem *elem = (UA_ReferenceTargetTreeElem*)
                    ((uintptr_t)_refIdTree.root -
                     offsetof(UA_ReferenceTargetTreeElem, idTreeEntry));
                aa_remove(&_refIdTree, elem);
                UA_NodePointer_clear(&elem->target.targetId);
                UA_free(elem);
            }
            return res;
        }
    }
    for(size_t i = 0; i < rk->targetsSize; i++)
        UA_NodePointer_clear(&rk->targets.array[i].targetId);
    UA_free(rk->targets.array);
    *rk = newRk;
    return UA_STATUSCODE_GOOD;
}

const UA_ReferenceTarget *
UA_NodeReferenceKind_findTarget(const UA_NodeReferenceKind *rk,
                                const UA_ExpandedNodeId *targetId) {
    UA_NodePointer targetP = UA_NodePointer_fromExpandedNodeId(targetId);

    /* Return from the tree */
    if(rk->hasRefTree) {
        UA_ReferenceTargetTreeElem tmpTarget;
        tmpTarget.target.targetId = targetP;
        tmpTarget.targetIdHash = UA_ExpandedNodeId_hash(targetId);
        const struct aa_head _refIdTree =
            { rk->targets.tree.idTreeRoot, cmpRefTargetId,
              offsetof(UA_ReferenceTargetTreeElem, idTreeEntry), 0 };
        return (const UA_ReferenceTarget*)aa_find(&_refIdTree, &tmpTarget);
    }

    /* Return from the array */
    for(size_t i = 0; i < rk->targetsSize; i++) {
        if(UA_NodePointer_equal(targetP, rk->targets.array[i].targetId))
            return &rk->targets.array[i];
    }
    return NULL;
}

const UA_Node *
UA_NODESTORE_GETFROMREF(UA_Server *server, UA_NodePointer target) {
    if(!UA_NodePointer_isLocal(target))
        return NULL;
    UA_NodeId id = UA_NodePointer_toNodeId(target);
    return UA_NODESTORE_GET(server, &id);
}

/* General node handling methods. There is no UA_Node_new() method here.
 * Creating nodes is part of the Nodestore layer */

void UA_Node_clear(UA_Node *node) {
    /* Delete references */
    UA_Node_deleteReferences(node);

    /* Delete other head content */
    UA_NodeHead *head = &node->head;
    UA_NodeId_clear(&head->nodeId);
    UA_QualifiedName_clear(&head->browseName);
    UA_LocalizedText_clear(&head->displayName);
    UA_LocalizedText_clear(&head->description);

    /* Delete unique content of the nodeclass */
    switch(head->nodeClass) {
    case UA_NODECLASS_OBJECT:
        break;
    case UA_NODECLASS_METHOD:
        break;
    case UA_NODECLASS_OBJECTTYPE:
        break;
    case UA_NODECLASS_VARIABLE:
    case UA_NODECLASS_VARIABLETYPE: {
        UA_VariableNode *p = &node->variableNode;
        UA_NodeId_clear(&p->dataType);
        UA_Array_delete(p->arrayDimensions, p->arrayDimensionsSize,
                        &UA_TYPES[UA_TYPES_INT32]);
        p->arrayDimensions = NULL;
        p->arrayDimensionsSize = 0;
        if(p->valueSource == UA_VALUESOURCE_DATA)
            UA_DataValue_clear(&p->value.data.value);
        break;
    }
    case UA_NODECLASS_REFERENCETYPE: {
        UA_ReferenceTypeNode *p = &node->referenceTypeNode;
        UA_LocalizedText_clear(&p->inverseName);
        break;
    }
    case UA_NODECLASS_DATATYPE:
        break;
    case UA_NODECLASS_VIEW:
        break;
    default:
        break;
    }
}

static UA_StatusCode
UA_ObjectNode_copy(const UA_ObjectNode *src, UA_ObjectNode *dst) {
    dst->eventNotifier = src->eventNotifier;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_CommonVariableNode_copy(const UA_VariableNode *src, UA_VariableNode *dst) {
    UA_StatusCode retval =
        UA_Array_copy(src->arrayDimensions, src->arrayDimensionsSize,
                      (void**)&dst->arrayDimensions, &UA_TYPES[UA_TYPES_INT32]);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    dst->arrayDimensionsSize = src->arrayDimensionsSize;
    retval = UA_NodeId_copy(&src->dataType, &dst->dataType);
    dst->valueRank = src->valueRank;
    dst->valueSource = src->valueSource;
    if(src->valueSource == UA_VALUESOURCE_DATA) {
        retval |= UA_DataValue_copy(&src->value.data.value,
                                    &dst->value.data.value);
        dst->value.data.callback = src->value.data.callback;
    } else
        dst->value.dataSource = src->value.dataSource;
    return retval;
}

static UA_StatusCode
UA_VariableNode_copy(const UA_VariableNode *src, UA_VariableNode *dst) {
    dst->accessLevel = src->accessLevel;
    dst->minimumSamplingInterval = src->minimumSamplingInterval;
    dst->historizing = src->historizing;
    dst->isDynamic = src->isDynamic;
    return UA_CommonVariableNode_copy(src, dst);
}

static UA_StatusCode
UA_VariableTypeNode_copy(const UA_VariableTypeNode *src,
                         UA_VariableTypeNode *dst) {
    dst->isAbstract = src->isAbstract;
    return UA_CommonVariableNode_copy((const UA_VariableNode*)src, (UA_VariableNode*)dst);
}

static UA_StatusCode
UA_MethodNode_copy(const UA_MethodNode *src, UA_MethodNode *dst) {
    dst->executable = src->executable;
    dst->method = src->method;
#if UA_MULTITHREADING >= 100
    dst->async = src->async;
#endif
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_ObjectTypeNode_copy(const UA_ObjectTypeNode *src, UA_ObjectTypeNode *dst) {
    dst->isAbstract = src->isAbstract;
    dst->lifecycle = src->lifecycle;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_ReferenceTypeNode_copy(const UA_ReferenceTypeNode *src,
                          UA_ReferenceTypeNode *dst) {
    dst->isAbstract = src->isAbstract;
    dst->symmetric = src->symmetric;
    dst->referenceTypeIndex = src->referenceTypeIndex;
    dst->subTypes = src->subTypes;
    return UA_LocalizedText_copy(&src->inverseName, &dst->inverseName);
}

static UA_StatusCode
UA_DataTypeNode_copy(const UA_DataTypeNode *src, UA_DataTypeNode *dst) {
    dst->isAbstract = src->isAbstract;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_ViewNode_copy(const UA_ViewNode *src, UA_ViewNode *dst) {
    dst->containsNoLoops = src->containsNoLoops;
    dst->eventNotifier = src->eventNotifier;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Node_copy(const UA_Node *src, UA_Node *dst) {
    const UA_NodeHead *srchead = &src->head;
    UA_NodeHead *dsthead = &dst->head;
    if(srchead->nodeClass != dsthead->nodeClass)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Copy standard content */
    UA_StatusCode retval = UA_NodeId_copy(&srchead->nodeId, &dsthead->nodeId);
    retval |= UA_QualifiedName_copy(&srchead->browseName, &dsthead->browseName);
    retval |= UA_LocalizedText_copy(&srchead->displayName, &dsthead->displayName);
    retval |= UA_LocalizedText_copy(&srchead->description, &dsthead->description);
    dsthead->writeMask = srchead->writeMask;
    dsthead->context = srchead->context;
    dsthead->constructed = srchead->constructed;
#ifdef UA_ENABLE_SUBSCRIPTIONS
    dsthead->monitoredItems = srchead->monitoredItems;
#endif
    if(retval != UA_STATUSCODE_GOOD) {
        UA_Node_clear(dst);
        return retval;
    }

    /* Copy the references */
    dsthead->references = NULL;
    if(srchead->referencesSize > 0) {
        dsthead->references = (UA_NodeReferenceKind*)
            UA_calloc(srchead->referencesSize, sizeof(UA_NodeReferenceKind));
        if(!dsthead->references) {
            UA_Node_clear(dst);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        dsthead->referencesSize = srchead->referencesSize;

        for(size_t i = 0; i < srchead->referencesSize; ++i) {
            UA_NodeReferenceKind *srefs = &srchead->references[i];
            UA_NodeReferenceKind *drefs = &dsthead->references[i];
            drefs->referenceTypeIndex = srefs->referenceTypeIndex;
            drefs->isInverse = srefs->isInverse;
            drefs->hasRefTree = srefs->hasRefTree; /* initially empty */

            /* Copy all the targets */
            const UA_ReferenceTarget *t = NULL;
            while((t = UA_NodeReferenceKind_iterate(srefs, t))) {
                retval = addReferenceTarget(drefs, t->targetId, t->targetNameHash);
                if(retval != UA_STATUSCODE_GOOD) {
                    UA_Node_clear(dst);
                    return retval;
                }
            }
        }
    }

    /* Copy unique content of the nodeclass */
    switch(src->head.nodeClass) {
    case UA_NODECLASS_OBJECT:
        retval = UA_ObjectNode_copy(&src->objectNode, &dst->objectNode);
        break;
    case UA_NODECLASS_VARIABLE:
        retval = UA_VariableNode_copy(&src->variableNode, &dst->variableNode);
        break;
    case UA_NODECLASS_METHOD:
        retval = UA_MethodNode_copy(&src->methodNode, &dst->methodNode);
        break;
    case UA_NODECLASS_OBJECTTYPE:
        retval = UA_ObjectTypeNode_copy(&src->objectTypeNode, &dst->objectTypeNode);
        break;
    case UA_NODECLASS_VARIABLETYPE:
        retval = UA_VariableTypeNode_copy(&src->variableTypeNode, &dst->variableTypeNode);
        break;
    case UA_NODECLASS_REFERENCETYPE:
        retval = UA_ReferenceTypeNode_copy(&src->referenceTypeNode, &dst->referenceTypeNode);
        break;
    case UA_NODECLASS_DATATYPE:
        retval = UA_DataTypeNode_copy(&src->dataTypeNode, &dst->dataTypeNode);
        break;
    case UA_NODECLASS_VIEW:
        retval = UA_ViewNode_copy(&src->viewNode, &dst->viewNode);
        break;
    default:
        break;
    }

    if(retval != UA_STATUSCODE_GOOD)
        UA_Node_clear(dst);

    return retval;
}

UA_Node *
UA_Node_copy_alloc(const UA_Node *src) {
    size_t nodesize = 0;
    switch(src->head.nodeClass) {
        case UA_NODECLASS_OBJECT:
            nodesize = sizeof(UA_ObjectNode);
            break;
        case UA_NODECLASS_VARIABLE:
            nodesize = sizeof(UA_VariableNode);
            break;
        case UA_NODECLASS_METHOD:
            nodesize = sizeof(UA_MethodNode);
            break;
        case UA_NODECLASS_OBJECTTYPE:
            nodesize = sizeof(UA_ObjectTypeNode);
            break;
        case UA_NODECLASS_VARIABLETYPE:
            nodesize = sizeof(UA_VariableTypeNode);
            break;
        case UA_NODECLASS_REFERENCETYPE:
            nodesize = sizeof(UA_ReferenceTypeNode);
            break;
        case UA_NODECLASS_DATATYPE:
            nodesize = sizeof(UA_DataTypeNode);
            break;
        case UA_NODECLASS_VIEW:
            nodesize = sizeof(UA_ViewNode);
            break;
        default:
            return NULL;
    }

    UA_Node *dst = (UA_Node*)UA_calloc(1, nodesize);
    if(!dst)
        return NULL;

    dst->head.nodeClass = src->head.nodeClass;

    UA_StatusCode retval = UA_Node_copy(src, dst);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(dst);
        return NULL;
    }
    return dst;
}
/******************************/
/* Copy Attributes into Nodes */
/******************************/

static UA_StatusCode
copyStandardAttributes(UA_NodeHead *head, const UA_NodeAttributes *attr) {
    /* UA_NodeId_copy(&item->requestedNewNodeId.nodeId, &node->nodeId); */
    /* UA_QualifiedName_copy(&item->browseName, &node->browseName); */

    head->writeMask = attr->writeMask;
    UA_StatusCode retval = UA_LocalizedText_copy(&attr->description, &head->description);
    /* The new nodeset format has optional display names:
     * https://github.com/open62541/open62541/issues/2627. If the display name
     * is NULL, take the name part of the browse name */
    if(attr->displayName.text.length == 0)
        retval |= UA_String_copy(&head->browseName.name, &head->displayName.text);
    else
        retval |= UA_LocalizedText_copy(&attr->displayName, &head->displayName);
    return retval;
}

static UA_StatusCode
copyCommonVariableAttributes(UA_VariableNode *node,
                             const UA_VariableAttributes *attr) {
    /* Copy the array dimensions */
    UA_StatusCode retval =
        UA_Array_copy(attr->arrayDimensions, attr->arrayDimensionsSize,
                      (void**)&node->arrayDimensions, &UA_TYPES[UA_TYPES_UINT32]);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    node->arrayDimensionsSize = attr->arrayDimensionsSize;

    /* Data type and value rank */
    retval = UA_NodeId_copy(&attr->dataType, &node->dataType);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    node->valueRank = attr->valueRank;

    /* Copy the value */
    retval = UA_Variant_copy(&attr->value, &node->value.data.value.value);
    node->valueSource = UA_VALUESOURCE_DATA;
    node->value.data.value.hasValue = (node->value.data.value.value.type != NULL);

    return retval;
}

static UA_StatusCode
copyVariableNodeAttributes(UA_VariableNode *vnode,
                           const UA_VariableAttributes *attr) {
    vnode->accessLevel = attr->accessLevel;
    vnode->historizing = attr->historizing;
    vnode->minimumSamplingInterval = attr->minimumSamplingInterval;
    return copyCommonVariableAttributes(vnode, attr);
}

static UA_StatusCode
copyVariableTypeNodeAttributes(UA_VariableTypeNode *vtnode,
                               const UA_VariableTypeAttributes *attr) {
    vtnode->isAbstract = attr->isAbstract;
    return copyCommonVariableAttributes((UA_VariableNode*)vtnode,
                                        (const UA_VariableAttributes*)attr);
}

static UA_StatusCode
copyObjectNodeAttributes(UA_ObjectNode *onode, const UA_ObjectAttributes *attr) {
    onode->eventNotifier = attr->eventNotifier;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copyReferenceTypeNodeAttributes(UA_ReferenceTypeNode *rtnode,
                                const UA_ReferenceTypeAttributes *attr) {
    rtnode->isAbstract = attr->isAbstract;
    rtnode->symmetric = attr->symmetric;
    return UA_LocalizedText_copy(&attr->inverseName, &rtnode->inverseName);
}

static UA_StatusCode
copyObjectTypeNodeAttributes(UA_ObjectTypeNode *otnode,
                             const UA_ObjectTypeAttributes *attr) {
    otnode->isAbstract = attr->isAbstract;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copyViewNodeAttributes(UA_ViewNode *vnode, const UA_ViewAttributes *attr) {
    vnode->containsNoLoops = attr->containsNoLoops;
    vnode->eventNotifier = attr->eventNotifier;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copyDataTypeNodeAttributes(UA_DataTypeNode *dtnode,
                           const UA_DataTypeAttributes *attr) {
    dtnode->isAbstract = attr->isAbstract;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
copyMethodNodeAttributes(UA_MethodNode *mnode,
                         const UA_MethodAttributes *attr) {
    mnode->executable = attr->executable;
    return UA_STATUSCODE_GOOD;
}

#define CHECK_ATTRIBUTES(TYPE)                           \
    if(attributeType != &UA_TYPES[UA_TYPES_##TYPE]) {    \
        retval = UA_STATUSCODE_BADNODEATTRIBUTESINVALID; \
        break;                                           \
    }

UA_StatusCode
UA_Node_setAttributes(UA_Node *node, const void *attributes, const UA_DataType *attributeType) {
    /* Copy the attributes into the node */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    switch(node->head.nodeClass) {
    case UA_NODECLASS_OBJECT:
        CHECK_ATTRIBUTES(OBJECTATTRIBUTES);
        retval = copyObjectNodeAttributes(&node->objectNode,
                                          (const UA_ObjectAttributes*)attributes);
        break;
    case UA_NODECLASS_VARIABLE:
        CHECK_ATTRIBUTES(VARIABLEATTRIBUTES);
        retval = copyVariableNodeAttributes(&node->variableNode,
                                            (const UA_VariableAttributes*)attributes);
        break;
    case UA_NODECLASS_OBJECTTYPE:
        CHECK_ATTRIBUTES(OBJECTTYPEATTRIBUTES);
        retval = copyObjectTypeNodeAttributes(&node->objectTypeNode,
                                              (const UA_ObjectTypeAttributes*)attributes);
        break;
    case UA_NODECLASS_VARIABLETYPE:
        CHECK_ATTRIBUTES(VARIABLETYPEATTRIBUTES);
        retval = copyVariableTypeNodeAttributes(&node->variableTypeNode,
                                                (const UA_VariableTypeAttributes*)attributes);
        break;
    case UA_NODECLASS_REFERENCETYPE:
        CHECK_ATTRIBUTES(REFERENCETYPEATTRIBUTES);
        retval = copyReferenceTypeNodeAttributes(&node->referenceTypeNode,
                                                 (const UA_ReferenceTypeAttributes*)attributes);
        break;
    case UA_NODECLASS_DATATYPE:
        CHECK_ATTRIBUTES(DATATYPEATTRIBUTES);
        retval = copyDataTypeNodeAttributes(&node->dataTypeNode,
                                            (const UA_DataTypeAttributes*)attributes);
        break;
    case UA_NODECLASS_VIEW:
        CHECK_ATTRIBUTES(VIEWATTRIBUTES);
        retval = copyViewNodeAttributes(&node->viewNode, (const UA_ViewAttributes*)attributes);
        break;
    case UA_NODECLASS_METHOD:
        CHECK_ATTRIBUTES(METHODATTRIBUTES);
        retval = copyMethodNodeAttributes(&node->methodNode, (const UA_MethodAttributes*)attributes);
        break;
    case UA_NODECLASS_UNSPECIFIED:
    default:
        retval = UA_STATUSCODE_BADNODECLASSINVALID;
    }

    if(retval == UA_STATUSCODE_GOOD)
        retval = copyStandardAttributes(&node->head, (const UA_NodeAttributes*)attributes);
    if(retval != UA_STATUSCODE_GOOD)
        UA_Node_clear(node);
    return retval;
}

/*********************/
/* Manage References */
/*********************/

static UA_StatusCode
addReferenceTarget(UA_NodeReferenceKind *rk, UA_NodePointer targetId,
                   UA_UInt32 targetNameHash) {
    /* Insert into array */
    if(!rk->hasRefTree) {
        UA_ReferenceTarget *newRefs = (UA_ReferenceTarget*)
            UA_realloc(rk->targets.array,
                       sizeof(UA_ReferenceTarget) * (rk->targetsSize + 1));
        if(!newRefs)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        rk->targets.array = newRefs;

        UA_StatusCode retval =
            UA_NodePointer_copy(targetId,
                                &rk->targets.array[rk->targetsSize].targetId);
        rk->targets.array[rk->targetsSize].targetNameHash = targetNameHash;
        if(retval != UA_STATUSCODE_GOOD) {
            if(rk->targetsSize == 0) {
                UA_free(rk->targets.array);
                rk->targets.array = NULL;
            }
            return retval;
        }
        rk->targetsSize++;
        return UA_STATUSCODE_GOOD;
    }

    /* Insert into tree */
    UA_ReferenceTargetTreeElem *entry = (UA_ReferenceTargetTreeElem*)
        UA_malloc(sizeof(UA_ReferenceTargetTreeElem));
    if(!entry)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    UA_StatusCode retval =
        UA_NodePointer_copy(targetId, &entry->target.targetId);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(entry);
        return retval;
    }

    /* <-- The point of no return --> */

    UA_ExpandedNodeId en = UA_NodePointer_toExpandedNodeId(targetId);
    entry->targetIdHash = UA_ExpandedNodeId_hash(&en);
    entry->target.targetNameHash = targetNameHash;

    /* Insert to the id lookup binary search tree. Only the root is kept in refs
     * to save space. */
    struct aa_head _refIdTree = refIdTree;
    _refIdTree.root = rk->targets.tree.idTreeRoot;
    aa_insert(&_refIdTree, entry);
    rk->targets.tree.idTreeRoot = _refIdTree.root;

    /* Insert to the name lookup binary search tree */
    struct aa_head _refNameTree = refNameTree;
    _refNameTree.root = rk->targets.tree.nameTreeRoot;
    aa_insert(&_refNameTree, entry);
    rk->targets.tree.nameTreeRoot = _refNameTree.root;

    rk->targetsSize++;

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
addReferenceKind(UA_NodeHead *head, UA_Byte refTypeIndex, UA_Boolean isForward,
                 const UA_NodePointer target, UA_UInt32 targetBrowseNameHash) {
    UA_NodeReferenceKind *refs = (UA_NodeReferenceKind*)
        UA_realloc(head->references,
                   sizeof(UA_NodeReferenceKind) * (head->referencesSize+1));
    if(!refs)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    head->references = refs;

    UA_NodeReferenceKind *newRef = &refs[head->referencesSize];
    memset(newRef, 0, sizeof(UA_NodeReferenceKind));
    newRef->referenceTypeIndex = refTypeIndex;
    newRef->isInverse = !isForward;
    UA_StatusCode retval =
        addReferenceTarget(newRef, target, targetBrowseNameHash);
    if(retval != UA_STATUSCODE_GOOD) {
        if(head->referencesSize == 0) {
            UA_free(head->references);
            head->references = NULL;
        }
        return retval;
    }

    head->referencesSize++;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Node_addReference(UA_Node *node, UA_Byte refTypeIndex, UA_Boolean isForward,
                     const UA_ExpandedNodeId *targetNodeId,
                     UA_UInt32 targetBrowseNameHash) {
    /* Find the matching reference kind */
    for(size_t i = 0; i < node->head.referencesSize; ++i) {
        UA_NodeReferenceKind *refs = &node->head.references[i];

        /* Reference direction does not match */
        if(refs->isInverse == isForward)
            continue;

        /* Reference type does not match */
        if(refs->referenceTypeIndex != refTypeIndex)
            continue;

        /* Does an identical reference already exist? */
        const UA_ReferenceTarget *found =
            UA_NodeReferenceKind_findTarget(refs, targetNodeId);
        if(found)
            return UA_STATUSCODE_BADDUPLICATEREFERENCENOTALLOWED;

        /* Add to existing ReferenceKind */
        return addReferenceTarget(refs, UA_NodePointer_fromExpandedNodeId(targetNodeId),
                                  targetBrowseNameHash);
    }

    /* Add new ReferenceKind for the target */
    return addReferenceKind(&node->head, refTypeIndex, isForward,
                            UA_NodePointer_fromExpandedNodeId(targetNodeId),
                            targetBrowseNameHash);

}

UA_StatusCode
UA_Node_deleteReference(UA_Node *node, UA_Byte refTypeIndex, UA_Boolean isForward,
                        const UA_ExpandedNodeId *targetNodeId) {
    struct aa_head _refIdTree = refIdTree;
    struct aa_head _refNameTree = refNameTree;

    UA_NodeHead *head = &node->head;
    for(size_t i = 0; i < head->referencesSize; i++) {
        UA_NodeReferenceKind *refs = &head->references[i];
        if(isForward == refs->isInverse)
            continue;
        if(refTypeIndex != refs->referenceTypeIndex)
            continue;

        /* Cast out the const qualifier (hack!) */
        UA_ReferenceTarget *target = (UA_ReferenceTarget*)(uintptr_t)
            UA_NodeReferenceKind_findTarget(refs, targetNodeId);
        if(!target)
            continue;

        /* Ok, delete the reference. Cannot fail */
        refs->targetsSize--;

        if(!refs->hasRefTree) {
            /* Remove from array */
            UA_NodePointer_clear(&target->targetId);

            /* Elements remaining. Realloc. */
            if(refs->targetsSize > 0) {
                if(target != &refs->targets.array[refs->targetsSize])
                    *target = refs->targets.array[refs->targetsSize];
                UA_ReferenceTarget *newRefs = (UA_ReferenceTarget*)
                    UA_realloc(refs->targets.array,
                               sizeof(UA_ReferenceTarget) * refs->targetsSize);
                if(newRefs)
                    refs->targets.array = newRefs;
                return UA_STATUSCODE_GOOD; /* Realloc allowed to fail */
            }

            /* Remove the last target. Remove the ReferenceKind below */
            UA_free(refs->targets.array);
        } else {
            /* Remove from the tree */
            _refIdTree.root = refs->targets.tree.idTreeRoot;
            aa_remove(&_refIdTree, target);
            refs->targets.tree.idTreeRoot = _refIdTree.root;

            _refNameTree.root = refs->targets.tree.nameTreeRoot;
            aa_remove(&_refNameTree, target);
            refs->targets.tree.nameTreeRoot = _refNameTree.root;

            UA_NodePointer_clear(&target->targetId);
            UA_free(target);
            if(refs->targets.tree.idTreeRoot)
                return UA_STATUSCODE_GOOD; /* At least one target remains */
        }

        /* No targets remaining. Remove the ReferenceKind. */
        head->referencesSize--;
        if(head->referencesSize > 0) {
            /* No target for the ReferenceType remaining. Remove and shrink down
             * allocated buffer. Ignore errors in case memory buffer could not
             * be shrinked down. */
            if(i != head->referencesSize)
                head->references[i] = head->references[node->head.referencesSize];
            UA_NodeReferenceKind *newRefs = (UA_NodeReferenceKind*)
                UA_realloc(head->references,
                           sizeof(UA_NodeReferenceKind) * head->referencesSize);
            if(newRefs)
                head->references = newRefs;
        } else {
            /* No remaining references of any ReferenceType */
            UA_free(head->references);
            head->references = NULL;
        }
        return UA_STATUSCODE_GOOD;
    }
    return UA_STATUSCODE_UNCERTAINREFERENCENOTDELETED;
}

void
UA_Node_deleteReferencesSubset(UA_Node *node, const UA_ReferenceTypeSet *keepSet) {
    UA_NodeHead *head = &node->head;
    struct aa_head _refIdTree = refIdTree;
    for(size_t i = 0; i < head->referencesSize; i++) {
        /* Keep the references of this type? */
        UA_NodeReferenceKind *refs = &head->references[i];
        if(UA_ReferenceTypeSet_contains(keepSet, refs->referenceTypeIndex))
            continue;

        /* Remove all target entries. Don't remove entries from browseName tree.
         * The entire ReferenceKind will be removed anyway. */
        if(!refs->hasRefTree) {
            for(size_t j = 0; j < refs->targetsSize; j++)
                UA_NodePointer_clear(&refs->targets.array[j].targetId);
            UA_free(refs->targets.array);
        } else {
            _refIdTree.root = refs->targets.tree.idTreeRoot;
            while(_refIdTree.root) {
                UA_ReferenceTargetTreeElem *elem = (UA_ReferenceTargetTreeElem*)
                    ((uintptr_t)_refIdTree.root -
                     offsetof(UA_ReferenceTargetTreeElem, idTreeEntry));
                aa_remove(&_refIdTree, elem);
                UA_NodePointer_clear(&elem->target.targetId);
                UA_free(elem);
            }
        }

        /* Move last references-kind entry to this position. Don't memcpy over
         * the same position. Decrease i to repeat at this location. */
        head->referencesSize--;
        if(i != head->referencesSize) {
            head->references[i] = head->references[head->referencesSize];
            i--;
        }
    }

    if(head->referencesSize > 0) {
        /* Realloc to save memory. Ignore if realloc fails. */
        UA_NodeReferenceKind *refs = (UA_NodeReferenceKind*)
            UA_realloc(head->references,
                       sizeof(UA_NodeReferenceKind) * head->referencesSize);
        if(refs)
            head->references = refs;
    } else {
        /* The array is empty. Remove. */
        UA_free(head->references);
        head->references = NULL;
    }
}

void UA_Node_deleteReferences(UA_Node *node) {
    UA_ReferenceTypeSet noRefs;
    UA_ReferenceTypeSet_init(&noRefs);
    UA_Node_deleteReferencesSubset(node, &noRefs);
}

/**** amalgamated original file "/src/server/ua_server.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015-2016 (c) Chris Iatrou
 *    Copyright 2015 (c) LEvertz
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2016 (c) Julian Grothoff
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2016 (c) Lorenz Haas
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2018 (c) Hilscher Gesellschaft für Systemautomation mbH (Author: Martin Lang)
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2021 (c) Fraunhofer IOSB (Author: Jan Hermes)
 *    Copyright 2022 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 */


#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
#endif


#ifdef UA_ENABLE_SUBSCRIPTIONS
#endif

#ifdef UA_ENABLE_VALGRIND_INTERACTIVE
#include <valgrind/memcheck.h>
#endif

#define STARTCHANNELID 1
#define STARTTOKENID 1

/**********************/
/* Namespace Handling */
/**********************/

/* The NS1 Uri can be changed by the user to some custom string. This method is
 * called to initialize the NS1 Uri if it is not set before to the default
 * Application URI.
 *
 * This is done as soon as the Namespace Array is read or written via node value
 * read / write services, or UA_Server_addNamespace, or UA_Server_getNamespaceByIndex
 * UA_Server_getNamespaceByName or UA_Server_run_startup is called.
 *
 * Therefore one has to set the custom NS1 URI before one of the previously
 * mentioned steps. */
void
setupNs1Uri(UA_Server *server) {
    if(!server->namespaces[1].data) {
        UA_String_copy(&server->config.applicationDescription.applicationUri,
                       &server->namespaces[1]);
    }
}

UA_UInt16 addNamespace(UA_Server *server, const UA_String name) {
    /* ensure that the uri for ns1 is set up from the app description */
    setupNs1Uri(server);

    /* Check if the namespace already exists in the server's namespace array */
    for(UA_UInt16 i = 0; i < server->namespacesSize; ++i) {
        if(UA_String_equal(&name, &server->namespaces[i]))
            return i;
    }

    /* Make the array bigger */
    UA_String *newNS = (UA_String*)UA_realloc(server->namespaces,
                                              sizeof(UA_String) * (server->namespacesSize + 1));
    UA_CHECK_MEM(newNS, return 0);

    server->namespaces = newNS;

    /* Copy the namespace string */
    UA_StatusCode retval = UA_String_copy(&name, &server->namespaces[server->namespacesSize]);
    UA_CHECK_STATUS(retval, return 0);

    /* Announce the change (otherwise, the array appears unchanged) */
    ++server->namespacesSize;
    return (UA_UInt16)(server->namespacesSize - 1);
}

UA_UInt16 UA_Server_addNamespace(UA_Server *server, const char* name) {
    /* Override const attribute to get string (dirty hack) */
    UA_String nameString;
    nameString.length = strlen(name);
    nameString.data = (UA_Byte*)(uintptr_t)name;
    UA_LOCK(&server->serviceMutex);
    UA_UInt16 retVal = addNamespace(server, nameString);
    UA_UNLOCK(&server->serviceMutex);
    return retVal;
}

UA_ServerConfig*
UA_Server_getConfig(UA_Server *server) {
    UA_CHECK_MEM(server, return NULL);
    return &server->config;
}

UA_StatusCode
getNamespaceByName(UA_Server *server, const UA_String namespaceUri,
                   size_t *foundIndex) {
    /* ensure that the uri for ns1 is set up from the app description */
    setupNs1Uri(server);
    UA_StatusCode res = UA_STATUSCODE_BADNOTFOUND;
    for(size_t idx = 0; idx < server->namespacesSize; idx++) {
        if(UA_String_equal(&server->namespaces[idx], &namespaceUri)) {
            (*foundIndex) = idx;
            res = UA_STATUSCODE_GOOD;
            break;
        }
    }
    return res;
}

UA_StatusCode
getNamespaceByIndex(UA_Server *server, const size_t namespaceIndex,
                   UA_String *foundUri) {
    /* ensure that the uri for ns1 is set up from the app description */
    setupNs1Uri(server);
    UA_StatusCode res = UA_STATUSCODE_BADNOTFOUND;
    if(namespaceIndex >= server->namespacesSize)
        return res;
    res = UA_String_copy(&server->namespaces[namespaceIndex], foundUri);
    return res;
}

UA_StatusCode
UA_Server_getNamespaceByName(UA_Server *server, const UA_String namespaceUri,
                             size_t *foundIndex) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode res = getNamespaceByName(server, namespaceUri, foundIndex);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

UA_StatusCode
UA_Server_getNamespaceByIndex(UA_Server *server, const size_t namespaceIndex,
                              UA_String *foundUri) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode res = getNamespaceByIndex(server, namespaceIndex, foundUri);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

UA_StatusCode
UA_Server_forEachChildNodeCall(UA_Server *server, UA_NodeId parentNodeId,
                               UA_NodeIteratorCallback callback, void *handle) {
    UA_BrowseDescription bd;
    UA_BrowseDescription_init(&bd);
    bd.nodeId = parentNodeId;
    bd.browseDirection = UA_BROWSEDIRECTION_BOTH;
    bd.resultMask = UA_BROWSERESULTMASK_REFERENCETYPEID | UA_BROWSERESULTMASK_ISFORWARD;

    UA_BrowseResult br = UA_Server_browse(server, 0, &bd);
    UA_StatusCode res = br.statusCode;
    UA_CHECK_STATUS(res, goto cleanup);

    for(size_t i = 0; i < br.referencesSize; i++) {
        if(!UA_ExpandedNodeId_isLocal(&br.references[i].nodeId))
            continue;
        res = callback(br.references[i].nodeId.nodeId, !br.references[i].isForward,
                       br.references[i].referenceTypeId, handle);
        UA_CHECK_STATUS(res, goto cleanup);
    }
cleanup:
    UA_BrowseResult_clear(&br);
    return res;
}

/********************/
/* Server Lifecycle */
/********************/

static void
serverExecuteRepeatedCallback(UA_Server *server, UA_ApplicationCallback cb,
                              void *callbackApplication, void *data);

/* The server needs to be stopped before it can be deleted */
void UA_Server_delete(UA_Server *server) {
    UA_LOCK(&server->serviceMutex);

    UA_Server_deleteSecureChannels(server);
    session_list_entry *current, *temp;
    LIST_FOREACH_SAFE(current, &server->sessions, pointers, temp) {
        UA_Server_removeSession(server, current, UA_DIAGNOSTICEVENT_CLOSE);
    }
    UA_Array_delete(server->namespaces, server->namespacesSize, &UA_TYPES[UA_TYPES_STRING]);

#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_MonitoredItem *mon, *mon_tmp;
    LIST_FOREACH_SAFE(mon, &server->localMonitoredItems, listEntry, mon_tmp) {
        LIST_REMOVE(mon, listEntry);
        UA_MonitoredItem_delete(server, mon);
    }

    /* Remove subscriptions without a session */
    UA_Subscription *sub, *sub_tmp;
    LIST_FOREACH_SAFE(sub, &server->subscriptions, serverListEntry, sub_tmp) {
        UA_Subscription_delete(server, sub);
    }
    UA_assert(server->monitoredItemsSize == 0);
    UA_assert(server->subscriptionsSize == 0);

#ifdef UA_ENABLE_SUBSCRIPTIONS_ALARMS_CONDITIONS
    UA_ConditionList_delete(server);
#endif

#endif

#ifdef UA_ENABLE_PUBSUB
    UA_PubSubManager_delete(server, &server->pubSubManager);
#endif

#ifdef UA_ENABLE_DISCOVERY
    UA_DiscoveryManager_clear(&server->discoveryManager, server);
#endif

#if UA_MULTITHREADING >= 100
    UA_AsyncManager_clear(&server->asyncManager, server);
#endif

    /* Clean up the Admin Session */
    UA_Session_clear(&server->adminSession, server);

    UA_UNLOCK(&server->serviceMutex); /* The timer has its own mutex */

    /* Execute all remaining delayed events and clean up the timer */
    UA_Timer_process(&server->timer, UA_DateTime_nowMonotonic() + 1,
             (UA_TimerExecutionCallback)serverExecuteRepeatedCallback, server);
    UA_Timer_clear(&server->timer);

    /* Clean up the config */
    UA_ServerConfig_clean(&server->config);

#if UA_MULTITHREADING >= 100
    UA_LOCK_DESTROY(&server->networkMutex);
    UA_LOCK_DESTROY(&server->serviceMutex);
#endif

    /* Delete the server itself */
    UA_free(server);
}

/* Recurring cleanup. Removing unused and timed-out channels and sessions */
static void
UA_Server_cleanup(UA_Server *server, void *_) {
    UA_LOCK(&server->serviceMutex);
    UA_DateTime nowMonotonic = UA_DateTime_nowMonotonic();
    UA_Server_cleanupSessions(server, nowMonotonic);
    UA_Server_cleanupTimedOutSecureChannels(server, nowMonotonic);
#ifdef UA_ENABLE_DISCOVERY
    UA_Discovery_cleanupTimedOut(server, nowMonotonic);
#endif
    UA_UNLOCK(&server->serviceMutex);
}

/********************/
/* Server Lifecycle */
/********************/

static
UA_INLINE
UA_Boolean UA_Server_NodestoreIsConfigured(UA_Server *server) {
    return server->config.nodestore.getNode != NULL;
}

static UA_Server *
UA_Server_init(UA_Server *server) {

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    UA_CHECK_FATAL(UA_Server_NodestoreIsConfigured(server), goto cleanup,
                    &server->config.logger, UA_LOGCATEGORY_SERVER,
                    "No Nodestore configured in the server"
                   );

    /* Init start time to zero, the actual start time will be sampled in
     * UA_Server_run_startup() */
    server->startTime = 0;

    /* Set a seed for non-cyptographic randomness */
#ifndef UA_ENABLE_DETERMINISTIC_RNG
    UA_random_seed((UA_UInt64)UA_DateTime_now());
#endif

#if UA_MULTITHREADING >= 100
    UA_LOCK_INIT(&server->networkMutex);
    UA_LOCK_INIT(&server->serviceMutex);
#endif

    /* Initialize the handling of repeated callbacks */
    UA_Timer_init(&server->timer);

    /* Initialize the adminSession */
    UA_Session_init(&server->adminSession);
    server->adminSession.sessionId.identifierType = UA_NODEIDTYPE_GUID;
    server->adminSession.sessionId.identifier.guid.data1 = 1;
    server->adminSession.validTill = UA_INT64_MAX;
    server->adminSession.sessionName = UA_STRING_ALLOC("Administrator");

    /* Create Namespaces 0 and 1
     * Ns1 will be filled later with the uri from the app description */
    server->namespaces = (UA_String *)UA_Array_new(2, &UA_TYPES[UA_TYPES_STRING]);
    UA_CHECK_MEM(server->namespaces, goto cleanup);

    server->namespaces[0] = UA_STRING_ALLOC("http://opcfoundation.org/UA/");
    server->namespaces[1] = UA_STRING_NULL;
    server->namespacesSize = 2;

    /* Initialize SecureChannel */
    TAILQ_INIT(&server->channels);
    /* TODO: use an ID that is likely to be unique after a restart */
    server->lastChannelId = STARTCHANNELID;
    server->lastTokenId = STARTTOKENID;

    /* Initialize Session Management */
    LIST_INIT(&server->sessions);
    server->sessionCount = 0;

#if UA_MULTITHREADING >= 100
    UA_AsyncManager_init(&server->asyncManager, server);
#endif

    /* Initialized discovery */
#ifdef UA_ENABLE_DISCOVERY
    UA_DiscoveryManager_init(&server->discoveryManager, server);
#endif

    /* Add a regular callback for cleanup and maintenance. With a 10s interval. */
    UA_Server_addRepeatedCallback(server, (UA_ServerCallback)UA_Server_cleanup, NULL,
                                  10000.0, NULL);

    /* Initialize namespace 0*/
    res = UA_Server_initNS0(server);
    UA_CHECK_STATUS(res, goto cleanup);

#ifdef UA_ENABLE_PUBSUB
    /* Build PubSub information model */
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    UA_Server_initPubSubNS0(server);
#endif

#ifdef UA_ENABLE_PUBSUB_MONITORING
    /* setup default PubSub monitoring callbacks */
    res = UA_PubSubManager_setDefaultMonitoringCallbacks(&server->config.pubSubConfig.monitoringInterface);
    UA_CHECK_STATUS(res, goto cleanup);
#endif /* UA_ENABLE_PUBSUB_MONITORING */
#endif /* UA_ENABLE_PUBSUB */
    return server;

 cleanup:
    UA_Server_delete(server);
    return NULL;
}

UA_Server *
UA_Server_newWithConfig(UA_ServerConfig *config) {
    UA_CHECK_MEM(config, return NULL);

    UA_Server *server = (UA_Server *)UA_calloc(1, sizeof(UA_Server));
    UA_CHECK_MEM(server, UA_ServerConfig_clean(config); return NULL);

    server->config = *config;
    /* The config might have been "moved" into the server struct. Ensure that
     * the logger pointer is correct. */
    for(size_t i = 0; i < server->config.securityPoliciesSize; i++)
        server->config.securityPolicies[i].logger = &server->config.logger;

    /* Reset the old config */
    memset(config, 0, sizeof(UA_ServerConfig));
    return UA_Server_init(server);
}

/* Returns if the server should be shut down immediately */
static UA_Boolean
setServerShutdown(UA_Server *server) {
    if(server->endTime != 0)
        return false;
    if(server->config.shutdownDelay == 0)
        return true;
    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                   "Shutting down the server with a delay of %i ms", (int)server->config.shutdownDelay);
    server->endTime = UA_DateTime_now() + (UA_DateTime)(server->config.shutdownDelay * UA_DATETIME_MSEC);
    return false;
}

/*******************/
/* Timed Callbacks */
/*******************/

UA_StatusCode
UA_Server_addTimedCallback(UA_Server *server, UA_ServerCallback callback,
                           void *data, UA_DateTime date, UA_UInt64 *callbackId) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval =
        UA_Timer_addTimedCallback(&server->timer,
                                  (UA_ApplicationCallback)callback,
                                  server, data, date, callbackId);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

UA_StatusCode
addRepeatedCallback(UA_Server *server, UA_ServerCallback callback,
                              void *data, UA_Double interval_ms,
                              UA_UInt64 *callbackId) {
    return UA_Timer_addRepeatedCallback(&server->timer,
                                        (UA_ApplicationCallback)callback,
                                         server, data, interval_ms, NULL,
                                         UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME, callbackId);
}

UA_StatusCode
UA_Server_addRepeatedCallback(UA_Server *server, UA_ServerCallback callback,
                              void *data, UA_Double interval_ms,
                              UA_UInt64 *callbackId) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval =
        addRepeatedCallback(server, callback, data, interval_ms, callbackId);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

UA_StatusCode
changeRepeatedCallbackInterval(UA_Server *server, UA_UInt64 callbackId,
                               UA_Double interval_ms) {
    return UA_Timer_changeRepeatedCallback(&server->timer, callbackId,
                                           interval_ms, NULL, UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME);
}

UA_StatusCode
UA_Server_changeRepeatedCallbackInterval(UA_Server *server, UA_UInt64 callbackId,
                                         UA_Double interval_ms) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval =
        changeRepeatedCallbackInterval(server, callbackId, interval_ms);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

void
removeCallback(UA_Server *server, UA_UInt64 callbackId) {
    UA_Timer_removeCallback(&server->timer, callbackId);
}

void
UA_Server_removeCallback(UA_Server *server, UA_UInt64 callbackId) {
    UA_LOCK(&server->serviceMutex);
    removeCallback(server, callbackId);
    UA_UNLOCK(&server->serviceMutex);
}

UA_StatusCode
UA_Server_updateCertificate(UA_Server *server,
                            const UA_ByteString *oldCertificate,
                            const UA_ByteString *newCertificate,
                            const UA_ByteString *newPrivateKey,
                            UA_Boolean closeSessions,
                            UA_Boolean closeSecureChannels) {

    UA_CHECK(server && oldCertificate && newCertificate && newPrivateKey,
             return UA_STATUSCODE_BADINTERNALERROR);

    if(closeSessions) {
        session_list_entry *current;
        LIST_FOREACH(current, &server->sessions, pointers) {
            if(UA_ByteString_equal(oldCertificate,
                                    &current->session.header.channel->securityPolicy->localCertificate)) {
                UA_LOCK(&server->serviceMutex);
                UA_Server_removeSessionByToken(server, &current->session.header.authenticationToken,
                                               UA_DIAGNOSTICEVENT_CLOSE);
                UA_UNLOCK(&server->serviceMutex);
            }
        }

    }

    if(closeSecureChannels) {
        channel_entry *entry;
        TAILQ_FOREACH(entry, &server->channels, pointers) {
            if(UA_ByteString_equal(&entry->channel.securityPolicy->localCertificate, oldCertificate))
                UA_Server_closeSecureChannel(server, &entry->channel, UA_DIAGNOSTICEVENT_CLOSE);
        }
    }

    size_t i = 0;
    while(i < server->config.endpointsSize) {
        UA_EndpointDescription *ed = &server->config.endpoints[i];
        if(UA_ByteString_equal(&ed->serverCertificate, oldCertificate)) {
            UA_String_clear(&ed->serverCertificate);
            UA_String_copy(newCertificate, &ed->serverCertificate);
            UA_SecurityPolicy *sp = getSecurityPolicyByUri(server,
                            &server->config.endpoints[i].securityPolicyUri);
            UA_CHECK_MEM(sp, return UA_STATUSCODE_BADINTERNALERROR);
            sp->updateCertificateAndPrivateKey(sp, *newCertificate, *newPrivateKey);
        }
        i++;
    }

    return UA_STATUSCODE_GOOD;
}

/***************************/
/* Server lookup functions */
/***************************/

UA_SecurityPolicy *
getSecurityPolicyByUri(const UA_Server *server, const UA_ByteString *securityPolicyUri) {
    for(size_t i = 0; i < server->config.securityPoliciesSize; i++) {
        UA_SecurityPolicy *securityPolicyCandidate = &server->config.securityPolicies[i];
        if(UA_ByteString_equal(securityPolicyUri, &securityPolicyCandidate->policyUri))
            return securityPolicyCandidate;
    }
    return NULL;
}

#ifdef UA_ENABLE_ENCRYPTION
/* The local ApplicationURI has to match the certificates of the
 * SecurityPolicies */
static UA_StatusCode
verifyServerApplicationURI(const UA_Server *server) {
    const UA_String securityPolicyNoneUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
    for(size_t i = 0; i < server->config.securityPoliciesSize; i++) {
        UA_SecurityPolicy *sp = &server->config.securityPolicies[i];
        if(UA_String_equal(&sp->policyUri, &securityPolicyNoneUri) && (sp->localCertificate.length == 0))
            continue;
        UA_StatusCode retval = server->config.certificateVerification.
            verifyApplicationURI(server->config.certificateVerification.context,
                                 &sp->localCertificate,
                                 &server->config.applicationDescription.applicationUri);

        UA_CHECK_STATUS_ERROR(retval, return retval, &server->config.logger, UA_LOGCATEGORY_SERVER,
                       "The configured ApplicationURI \"%.*s\"does not match the "
                       "ApplicationURI specified in the certificate for the "
                       "SecurityPolicy %.*s",
                       (int)server->config.applicationDescription.applicationUri.length,
                       server->config.applicationDescription.applicationUri.data,
                       (int)sp->policyUri.length, sp->policyUri.data);
    }
    return UA_STATUSCODE_GOOD;
}
#endif

UA_ServerStatistics
UA_Server_getStatistics(UA_Server *server) {
    UA_ServerStatistics stat;
    stat.ns = server->networkStatistics;
    stat.scs = server->secureChannelStatistics;

    stat.ss.currentSessionCount = server->activeSessionCount;
    stat.ss.cumulatedSessionCount =
        server->serverDiagnosticsSummary.cumulatedSessionCount;
    stat.ss.securityRejectedSessionCount =
        server->serverDiagnosticsSummary.securityRejectedSessionCount;
    stat.ss.rejectedSessionCount =
        server->serverDiagnosticsSummary.rejectedSessionCount;
    stat.ss.sessionTimeoutCount =
        server->serverDiagnosticsSummary.sessionTimeoutCount;
    stat.ss.sessionAbortCount =
        server->serverDiagnosticsSummary.sessionAbortCount;
    
    return stat;
}

/********************/
/* Main Server Loop */
/********************/

#define UA_MAXTIMEOUT 50 /* Max timeout in ms between main-loop iterations */

/* Start: Spin up the workers and the network layer and sample the server's
 *        start time.
 * Iterate: Process repeated callbacks and events in the network layer. This
 *          part can be driven from an external main-loop in an event-driven
 *          single-threaded architecture.
 * Stop: Stop workers, finish all callbacks, stop the network layer, clean up */

UA_StatusCode
UA_Server_run_startup(UA_Server *server) {

#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
    /* Prominently warn user that fuzzing build is enabled. This will tamper with authentication tokens and other important variables
     * E.g. if fuzzing is enabled, and two clients are connected, subscriptions do not work properly,
     * since the tokens will be overridden to allow easier fuzzing. */
    UA_LOG_FATAL(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "Server was built with unsafe fuzzing mode. "
                 "This should only be used for specific fuzzing builds.");
#endif

    /* ensure that the uri for ns1 is set up from the app description */
    setupNs1Uri(server);

    /* write ServerArray with same ApplicationURI value as NamespaceArray */
    UA_StatusCode retVal =
        writeNs0VariableArray(server, UA_NS0ID_SERVER_SERVERARRAY,
                              &server->config.applicationDescription.applicationUri,
                              1, &UA_TYPES[UA_TYPES_STRING]);
    UA_CHECK_STATUS(retVal, return retVal);

    if(server->state > UA_SERVERLIFECYCLE_FRESH)
        return UA_STATUSCODE_GOOD;

    /* At least one endpoint has to be configured */
    if(server->config.endpointsSize == 0) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "There has to be at least one endpoint.");
    }

    /* Does the ApplicationURI match the local certificates? */
#ifdef UA_ENABLE_ENCRYPTION
    retVal = verifyServerApplicationURI(server);
    UA_CHECK_STATUS(retVal, return retVal);
#endif

    /* Sample the start time and set it to the Server object */
    server->startTime = UA_DateTime_now();
    UA_Variant var;
    UA_Variant_init(&var);
    UA_Variant_setScalar(&var, &server->startTime, &UA_TYPES[UA_TYPES_DATETIME]);
    UA_Server_writeValue(server,
                         UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STARTTIME),
                         var);

    /* Start the networklayers */
    UA_StatusCode result = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < server->config.networkLayersSize; ++i) {
        UA_ServerNetworkLayer *nl = &server->config.networkLayers[i];
        nl->statistics = &server->networkStatistics;
        result |= nl->start(nl, &server->config.logger, &server->config.customHostname);
    }
    UA_CHECK_STATUS(result, return result);

    /* Update the application description to match the previously added
     * discovery urls. We can only do this after the network layer is started
     * since it inits the discovery url */
    if(server->config.applicationDescription.discoveryUrlsSize != 0) {
        UA_Array_delete(server->config.applicationDescription.discoveryUrls,
                        server->config.applicationDescription.discoveryUrlsSize,
                        &UA_TYPES[UA_TYPES_STRING]);
        server->config.applicationDescription.discoveryUrlsSize = 0;
    }
    server->config.applicationDescription.discoveryUrls = (UA_String *)
        UA_Array_new(server->config.networkLayersSize, &UA_TYPES[UA_TYPES_STRING]);
    UA_CHECK_MEM(server->config.applicationDescription.discoveryUrls,
             return UA_STATUSCODE_BADOUTOFMEMORY);

    server->config.applicationDescription.discoveryUrlsSize =
        server->config.networkLayersSize;
    for(size_t i = 0; i < server->config.applicationDescription.discoveryUrlsSize; i++) {
        UA_ServerNetworkLayer *nl = &server->config.networkLayers[i];
        UA_String_copy(&nl->discoveryUrl,
                       &server->config.applicationDescription.discoveryUrls[i]);
    }

    /* Start the multicast discovery server */
#ifdef UA_ENABLE_DISCOVERY_MULTICAST
    if(server->config.mdnsEnabled)
        startMulticastDiscoveryServer(server);
#endif

    /* Update Endpoint description */
    for(size_t i = 0; i < server->config.endpointsSize; ++i){
        UA_ApplicationDescription_clear(&server->config.endpoints[i].server);
        UA_ApplicationDescription_copy(&server->config.applicationDescription,
                                       &server->config.endpoints[i].server);
    }

    server->state = UA_SERVERLIFECYCLE_FRESH;

    return result;
}

static void
serverExecuteRepeatedCallback(UA_Server *server, UA_ApplicationCallback cb,
                              void *callbackApplication, void *data) {
    /* Service mutex is not set inside the timer that triggers the callback */
    /* The following check cannot be used since another thread can take the
     * serviceMutex during a server_iterate_call. */
    //UA_LOCK_ASSERT(&server->serviceMutex, 0);
    cb(callbackApplication, data);
}

UA_UInt16
UA_Server_run_iterate(UA_Server *server, UA_Boolean waitInternal) {
    /* Process repeated work */
    UA_DateTime now = UA_DateTime_nowMonotonic();
    UA_DateTime nextRepeated = UA_Timer_process(&server->timer, now,
                     (UA_TimerExecutionCallback)serverExecuteRepeatedCallback, server);
    UA_DateTime latest = now + (UA_MAXTIMEOUT * UA_DATETIME_MSEC);
    if(nextRepeated > latest)
        nextRepeated = latest;

    UA_UInt16 timeout = 0;

    /* round always to upper value to avoid timeout to be set to 0
    * if(nextRepeated - now) < (UA_DATETIME_MSEC/2) */
    if(waitInternal)
        timeout = (UA_UInt16)(((nextRepeated - now) + (UA_DATETIME_MSEC - 1)) / UA_DATETIME_MSEC);

    /* Listen on the networklayer */
    for(size_t i = 0; i < server->config.networkLayersSize; ++i) {
        UA_ServerNetworkLayer *nl = &server->config.networkLayers[i];
        nl->listen(nl, server, timeout);
    }

#if defined(UA_ENABLE_PUBSUB_MQTT)
    /* Listen on the pubsublayer, but only if the yield function is set */
    UA_PubSubConnection *connection;
    TAILQ_FOREACH(connection, &server->pubSubManager.connections, listEntry){
        UA_PubSubConnection *ps = connection;
        if(ps && ps->channel->yield){
            ps->channel->yield(ps->channel, timeout);
        }
    }
#endif

    UA_LOCK(&server->serviceMutex);

#if defined(UA_ENABLE_DISCOVERY_MULTICAST) && (UA_MULTITHREADING < 200)
    if(server->config.mdnsEnabled) {
        /* TODO multicastNextRepeat does not consider new input data (requests)
         * on the socket. It will be handled on the next call. if needed, we
         * need to use select with timeout on the multicast socket
         * server->mdnsSocket (see example in mdnsd library) on higher level. */
        UA_DateTime multicastNextRepeat = 0;
        UA_StatusCode hasNext =
            iterateMulticastDiscoveryServer(server, &multicastNextRepeat, true);
        if(hasNext == UA_STATUSCODE_GOOD && multicastNextRepeat < nextRepeated)
            nextRepeated = multicastNextRepeat;
    }
#endif

    UA_UNLOCK(&server->serviceMutex);

    now = UA_DateTime_nowMonotonic();
    timeout = 0;
    if(nextRepeated > now)
        timeout = (UA_UInt16)((nextRepeated - now) / UA_DATETIME_MSEC);
    return timeout;
}

UA_StatusCode
UA_Server_run_shutdown(UA_Server *server) {
    /* Stop the netowrk layer */
    for(size_t i = 0; i < server->config.networkLayersSize; ++i) {
        UA_ServerNetworkLayer *nl = &server->config.networkLayers[i];
        nl->stop(nl, server);
    }

#ifdef UA_ENABLE_DISCOVERY_MULTICAST
    /* Stop multicast discovery */
    if(server->config.mdnsEnabled)
        stopMulticastDiscoveryServer(server);
#endif

    return UA_STATUSCODE_GOOD;
}

static UA_Boolean
testShutdownCondition(UA_Server *server) {
    if(server->endTime == 0)
        return false;
    return (UA_DateTime_now() > server->endTime);
}

UA_StatusCode
UA_Server_run(UA_Server *server, const volatile UA_Boolean *running) {
    UA_StatusCode retval = UA_Server_run_startup(server);
    UA_CHECK_STATUS(retval, return retval);

#ifdef UA_ENABLE_VALGRIND_INTERACTIVE
    size_t loopCount = 0;
#endif
    while(!testShutdownCondition(server)) {
#ifdef UA_ENABLE_VALGRIND_INTERACTIVE
        if(loopCount == 0) {
            VALGRIND_DO_LEAK_CHECK;
        }
        ++loopCount;
        loopCount %= UA_VALGRIND_INTERACTIVE_INTERVAL;
#endif
        UA_Server_run_iterate(server, true);
        if(!*running) {
            if(setServerShutdown(server))
                break;
        }
    }
    return UA_Server_run_shutdown(server);
}

/**** amalgamated original file "/src/server/ua_server_ns0.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2017-2022 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Thomas Bender
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2017 (c) Henrik Norrman
 *    Copyright 2018 (c) Fabian Arndt, Root-Core
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2021 (c) Christian von Arnim, ISW University of Stuttgart (for VDW and umati)
 */



static UA_StatusCode
addNode_raw(UA_Server *server, UA_NodeClass nodeClass,
            UA_UInt32 nodeId, char *name, void *attributes,
            const UA_DataType *attributesType) {
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    item.nodeClass = nodeClass;
    item.requestedNewNodeId.nodeId = UA_NODEID_NUMERIC(0, nodeId);
    item.browseName = UA_QUALIFIEDNAME(0, name);
    UA_ExtensionObject_setValueNoDelete(&item.nodeAttributes,
                                        attributes, attributesType);
    return AddNode_raw(server, &server->adminSession, NULL, &item, NULL);
}

static UA_StatusCode
addNode_finish(UA_Server *server, UA_UInt32 nodeId,
               UA_UInt32 parentNodeId, UA_UInt32 referenceTypeId) {
    const UA_NodeId sourceId = UA_NODEID_NUMERIC(0, nodeId);
    const UA_NodeId refTypeId = UA_NODEID_NUMERIC(0, referenceTypeId);
    const UA_ExpandedNodeId targetId = UA_EXPANDEDNODEID_NUMERIC(0, parentNodeId);
    UA_StatusCode retval = UA_Server_addReference(server, sourceId, refTypeId, targetId, false);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    return AddNode_finish(server, &server->adminSession, &sourceId);
}

static UA_StatusCode
addObjectNode(UA_Server *server, char* name, UA_UInt32 objectid,
              UA_UInt32 parentid, UA_UInt32 referenceid, UA_UInt32 type_id) {
    UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
    object_attr.displayName = UA_LOCALIZEDTEXT("", name);
    return UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(0, objectid),
                                   UA_NODEID_NUMERIC(0, parentid),
                                   UA_NODEID_NUMERIC(0, referenceid),
                                   UA_QUALIFIEDNAME(0, name),
                                   UA_NODEID_NUMERIC(0, type_id),
                                   object_attr, NULL, NULL);
}

static UA_StatusCode
addReferenceTypeNode(UA_Server *server, char* name, char *inverseName, UA_UInt32 referencetypeid,
                     UA_Boolean isabstract, UA_Boolean symmetric, UA_UInt32 parentid) {
    UA_ReferenceTypeAttributes reference_attr = UA_ReferenceTypeAttributes_default;
    reference_attr.displayName = UA_LOCALIZEDTEXT("", name);
    reference_attr.isAbstract = isabstract;
    reference_attr.symmetric = symmetric;
    if(inverseName)
        reference_attr.inverseName = UA_LOCALIZEDTEXT("", inverseName);
    return UA_Server_addReferenceTypeNode(server, UA_NODEID_NUMERIC(0, referencetypeid),
                                   UA_NODEID_NUMERIC(0, parentid), UA_NODEID_NULL,
                                   UA_QUALIFIEDNAME(0, name), reference_attr, NULL, NULL);
}

/***************************/
/* Bootstrap NS0 hierarchy */
/***************************/

/* Creates the basic nodes which are expected by the nodeset compiler to be
 * already created. This is necessary to reduce the dependencies for the nodeset
 * compiler. */
static UA_StatusCode
UA_Server_createNS0_base(UA_Server *server) {
    /* Bootstrap ReferenceTypes. The order of these is important for the
     * ReferenceTypeIndex. The ReferenceTypeIndex is created with the raw node.
     * The ReferenceTypeSet of subtypes for every ReferenceType is created
     * during the call to AddNode_finish. */
    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    UA_ReferenceTypeAttributes references_attr = UA_ReferenceTypeAttributes_default;
    references_attr.displayName = UA_LOCALIZEDTEXT("", "References");
    references_attr.isAbstract = true;
    references_attr.symmetric = true;
    references_attr.inverseName = UA_LOCALIZEDTEXT("", "References");
    ret |= addNode_raw(server, UA_NODECLASS_REFERENCETYPE, UA_NS0ID_REFERENCES, "References",
                       &references_attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES]);

    UA_ReferenceTypeAttributes hassubtype_attr = UA_ReferenceTypeAttributes_default;
    hassubtype_attr.displayName = UA_LOCALIZEDTEXT("", "HasSubtype");
    hassubtype_attr.isAbstract = false;
    hassubtype_attr.symmetric = false;
    hassubtype_attr.inverseName = UA_LOCALIZEDTEXT("", "HasSupertype");
    ret |= addNode_raw(server, UA_NODECLASS_REFERENCETYPE, UA_NS0ID_HASSUBTYPE, "HasSubtype",
                       &hassubtype_attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES]);

    UA_ReferenceTypeAttributes aggregates_attr = UA_ReferenceTypeAttributes_default;
    aggregates_attr.displayName = UA_LOCALIZEDTEXT("", "Aggregates");
    aggregates_attr.isAbstract = true;
    aggregates_attr.symmetric = false;
    aggregates_attr.inverseName = UA_LOCALIZEDTEXT("", "AggregatedBy");
    ret |= addNode_raw(server, UA_NODECLASS_REFERENCETYPE, UA_NS0ID_AGGREGATES, "Aggregates",
                       &aggregates_attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES]);

    ret |= addReferenceTypeNode(server, "HierarchicalReferences", NULL,
                         UA_NS0ID_HIERARCHICALREFERENCES, true, false, UA_NS0ID_REFERENCES);

    ret |= addReferenceTypeNode(server, "NonHierarchicalReferences", NULL,
                         UA_NS0ID_NONHIERARCHICALREFERENCES, true, true, UA_NS0ID_REFERENCES);

    ret |= addReferenceTypeNode(server, "HasChild", NULL, UA_NS0ID_HASCHILD,
                         true, false, UA_NS0ID_HIERARCHICALREFERENCES);

    ret |= addReferenceTypeNode(server, "Organizes", "OrganizedBy", UA_NS0ID_ORGANIZES,
                         false, false, UA_NS0ID_HIERARCHICALREFERENCES);

    ret |= addReferenceTypeNode(server, "HasEventSource", "EventSourceOf", UA_NS0ID_HASEVENTSOURCE,
                         false, false, UA_NS0ID_HIERARCHICALREFERENCES);

    ret |= addReferenceTypeNode(server, "HasModellingRule", "ModellingRuleOf", UA_NS0ID_HASMODELLINGRULE,
                         false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);

    ret |= addReferenceTypeNode(server, "HasEncoding", "EncodingOf", UA_NS0ID_HASENCODING,
                         false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);

    ret |= addReferenceTypeNode(server, "HasDescription", "DescriptionOf", UA_NS0ID_HASDESCRIPTION,
                         false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);

    ret |= addReferenceTypeNode(server, "HasTypeDefinition", "TypeDefinitionOf", UA_NS0ID_HASTYPEDEFINITION,
                         false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);

    ret |= addReferenceTypeNode(server, "GeneratesEvent", "GeneratedBy", UA_NS0ID_GENERATESEVENT,
                         false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);

    /* Complete bootstrap of Aggregates */
    ret |= addNode_finish(server, UA_NS0ID_AGGREGATES, UA_NS0ID_HASCHILD, UA_NS0ID_HASSUBTYPE);

    /* Complete bootstrap of HasSubtype */
    ret |= addNode_finish(server, UA_NS0ID_HASSUBTYPE, UA_NS0ID_HASCHILD, UA_NS0ID_HASSUBTYPE);

    ret |= addReferenceTypeNode(server, "HasProperty", "PropertyOf", UA_NS0ID_HASPROPERTY,
                         false, false, UA_NS0ID_AGGREGATES);

    ret |= addReferenceTypeNode(server, "HasComponent", "ComponentOf", UA_NS0ID_HASCOMPONENT,
                         false, false, UA_NS0ID_AGGREGATES);

    ret |= addReferenceTypeNode(server, "HasNotifier", "NotifierOf", UA_NS0ID_HASNOTIFIER,
                         false, false, UA_NS0ID_HASEVENTSOURCE);

    ret |= addReferenceTypeNode(server, "HasOrderedComponent", "OrderedComponentOf",
                         UA_NS0ID_HASORDEREDCOMPONENT, false, false, UA_NS0ID_HASCOMPONENT);

    ret |= addReferenceTypeNode(server, "HasInterface", "InterfaceOf",
                         UA_NS0ID_HASINTERFACE, false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);

    /**************/
    /* Data Types */
    /**************/

    /* Bootstrap BaseDataType */
    UA_DataTypeAttributes basedatatype_attr = UA_DataTypeAttributes_default;
    basedatatype_attr.displayName = UA_LOCALIZEDTEXT("", "BaseDataType");
    basedatatype_attr.isAbstract = true;
    ret |= addNode_raw(server, UA_NODECLASS_DATATYPE, UA_NS0ID_BASEDATATYPE, "BaseDataType",
                       &basedatatype_attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES]);

    /*****************/
    /* VariableTypes */
    /*****************/

    UA_VariableTypeAttributes basevar_attr = UA_VariableTypeAttributes_default;
    basevar_attr.displayName = UA_LOCALIZEDTEXT("", "BaseVariableType");
    basevar_attr.isAbstract = true;
    basevar_attr.valueRank = UA_VALUERANK_ANY;
    basevar_attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATATYPE);
    ret |= addNode_raw(server, UA_NODECLASS_VARIABLETYPE, UA_NS0ID_BASEVARIABLETYPE, "BaseVariableType",
                       &basevar_attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES]);

    UA_VariableTypeAttributes bdv_attr = UA_VariableTypeAttributes_default;
    bdv_attr.displayName = UA_LOCALIZEDTEXT("", "BaseDataVariableType");
    bdv_attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATATYPE);
    bdv_attr.valueRank = UA_VALUERANK_ANY;
    ret |= UA_Server_addVariableTypeNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
                                         UA_NODEID_NUMERIC(0, UA_NS0ID_BASEVARIABLETYPE),
                                         UA_NODEID_NULL, UA_QUALIFIEDNAME(0, "BaseDataVariableType"),
                                         UA_NODEID_NULL, bdv_attr, NULL, NULL);

    UA_VariableTypeAttributes prop_attr = UA_VariableTypeAttributes_default;
    prop_attr.displayName = UA_LOCALIZEDTEXT("", "PropertyType");
    prop_attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATATYPE);
    prop_attr.valueRank = UA_VALUERANK_ANY;
    ret |= UA_Server_addVariableTypeNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PROPERTYTYPE),
                                         UA_NODEID_NUMERIC(0, UA_NS0ID_BASEVARIABLETYPE),
                                         UA_NODEID_NULL, UA_QUALIFIEDNAME(0, "PropertyType"),
                                         UA_NODEID_NULL, prop_attr, NULL, NULL);

    /***************/
    /* ObjectTypes */
    /***************/

    UA_ObjectTypeAttributes baseobj_attr = UA_ObjectTypeAttributes_default;
    baseobj_attr.displayName = UA_LOCALIZEDTEXT("", "BaseObjectType");
    ret |= addNode_raw(server, UA_NODECLASS_OBJECTTYPE, UA_NS0ID_BASEOBJECTTYPE, "BaseObjectType",
                       &baseobj_attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES]);

    UA_ObjectTypeAttributes folder_attr = UA_ObjectTypeAttributes_default;
    folder_attr.displayName = UA_LOCALIZEDTEXT("", "FolderType");
    ret |= UA_Server_addObjectTypeNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE),
                                       UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),
                                       UA_NODEID_NULL, UA_QUALIFIEDNAME(0, "FolderType"),
                                       folder_attr, NULL, NULL);

    /******************/
    /* Root and below */
    /******************/

    ret |= addObjectNode(server, "Root", UA_NS0ID_ROOTFOLDER, 0, 0, UA_NS0ID_FOLDERTYPE);

    ret |= addObjectNode(server, "Objects", UA_NS0ID_OBJECTSFOLDER, UA_NS0ID_ROOTFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);

    ret |= addObjectNode(server, "Types", UA_NS0ID_TYPESFOLDER, UA_NS0ID_ROOTFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);

    ret |= addObjectNode(server, "ReferenceTypes", UA_NS0ID_REFERENCETYPESFOLDER, UA_NS0ID_TYPESFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
    ret |= addNode_finish(server, UA_NS0ID_REFERENCES, UA_NS0ID_REFERENCETYPESFOLDER,
                   UA_NS0ID_ORGANIZES);

    ret |= addObjectNode(server, "DataTypes", UA_NS0ID_DATATYPESFOLDER, UA_NS0ID_TYPESFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
    ret |= addNode_finish(server, UA_NS0ID_BASEDATATYPE, UA_NS0ID_DATATYPESFOLDER,
                   UA_NS0ID_ORGANIZES);

    ret |= addObjectNode(server, "VariableTypes", UA_NS0ID_VARIABLETYPESFOLDER, UA_NS0ID_TYPESFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
    ret |= addNode_finish(server, UA_NS0ID_BASEVARIABLETYPE, UA_NS0ID_VARIABLETYPESFOLDER,
                   UA_NS0ID_ORGANIZES);

    ret |= addObjectNode(server, "ObjectTypes", UA_NS0ID_OBJECTTYPESFOLDER, UA_NS0ID_TYPESFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
    ret |= addNode_finish(server, UA_NS0ID_BASEOBJECTTYPE, UA_NS0ID_OBJECTTYPESFOLDER,
                   UA_NS0ID_ORGANIZES);

    ret |= addObjectNode(server, "EventTypes", UA_NS0ID_EVENTTYPESFOLDER, UA_NS0ID_TYPESFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);

    ret |= addObjectNode(server, "Views", UA_NS0ID_VIEWSFOLDER, UA_NS0ID_ROOTFOLDER,
                  UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);

    /* Add BaseEventType */
    UA_ObjectTypeAttributes eventtype_attr = UA_ObjectTypeAttributes_default;
    eventtype_attr.displayName = UA_LOCALIZEDTEXT("", "BaseEventType");
    ret |= addNode_raw(server, UA_NODECLASS_OBJECTTYPE, UA_NS0ID_BASEEVENTTYPE, "BaseEventType",
                       &eventtype_attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES]);
    ret |= addNode_finish(server, UA_NS0ID_BASEEVENTTYPE, UA_NS0ID_EVENTTYPESFOLDER,
                   UA_NS0ID_ORGANIZES);

    if(ret != UA_STATUSCODE_GOOD)
        ret = UA_STATUSCODE_BADINTERNALERROR;

    return ret;
}

/****************/
/* Data Sources */
/****************/

static UA_StatusCode
readStatus(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
           const UA_NodeId *nodeId, void *nodeContext, UA_Boolean sourceTimestamp,
           const UA_NumericRange *range, UA_DataValue *value) {
    if(range) {
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
        return UA_STATUSCODE_GOOD;
    }

    if(sourceTimestamp) {
        value->hasSourceTimestamp = true;
        value->sourceTimestamp = UA_DateTime_now();
    }

    void *data = NULL;

    UA_assert(nodeId->identifierType == UA_NODEIDTYPE_NUMERIC);

    switch(nodeId->identifier.numeric) {
    case UA_NS0ID_SERVER_SERVERSTATUS_SECONDSTILLSHUTDOWN: {
        UA_UInt32 *shutdown = UA_UInt32_new();
        if(!shutdown)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        if(server->endTime != 0)
            *shutdown = (UA_UInt32)((server->endTime - UA_DateTime_now()) / UA_DATETIME_SEC);
        value->value.data = shutdown;
        value->value.type = &UA_TYPES[UA_TYPES_UINT32];
        value->hasValue = true;
        return UA_STATUSCODE_GOOD;
    }

    case UA_NS0ID_SERVER_SERVERSTATUS_STATE: {
        UA_ServerState *state = UA_ServerState_new();
        if(!state)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        if(server->endTime != 0)
            *state = UA_SERVERSTATE_SHUTDOWN;
        value->value.data = state;
        value->value.type = &UA_TYPES[UA_TYPES_SERVERSTATE];
        value->hasValue = true;
        return UA_STATUSCODE_GOOD;
    }

    case UA_NS0ID_SERVER_SERVERSTATUS: {
        UA_ServerStatusDataType *statustype = UA_ServerStatusDataType_new();
        if(!statustype)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        statustype->startTime = server->startTime;
        statustype->currentTime = UA_DateTime_now();

        statustype->state = UA_SERVERSTATE_RUNNING;
        statustype->secondsTillShutdown = 0;
        if(server->endTime != 0) {
            statustype->state = UA_SERVERSTATE_SHUTDOWN;
            statustype->secondsTillShutdown = (UA_UInt32)
                ((server->endTime - UA_DateTime_now()) / UA_DATETIME_SEC);
        }

        value->value.data = statustype;
        value->value.type = &UA_TYPES[UA_TYPES_SERVERSTATUSDATATYPE];
        value->hasValue = true;
        return UA_BuildInfo_copy(&server->config.buildInfo, &statustype->buildInfo);
    }

    case UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO:
        value->value.type = &UA_TYPES[UA_TYPES_BUILDINFO];
        data = &server->config.buildInfo;
        break;

    case UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTURI:
        value->value.type = &UA_TYPES[UA_TYPES_STRING];
        data = &server->config.buildInfo.productUri;
        break;

    case UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_MANUFACTURERNAME:
        value->value.type = &UA_TYPES[UA_TYPES_STRING];
        data = &server->config.buildInfo.manufacturerName;
        break;

    case UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTNAME:
        value->value.type = &UA_TYPES[UA_TYPES_STRING];
        data = &server->config.buildInfo.productName;
        break;

    case UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_SOFTWAREVERSION:
        value->value.type = &UA_TYPES[UA_TYPES_STRING];
        data = &server->config.buildInfo.softwareVersion;
        break;

    case UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDNUMBER:
        value->value.type = &UA_TYPES[UA_TYPES_STRING];
        data = &server->config.buildInfo.buildNumber;
        break;

    case UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDDATE:
        value->value.type = &UA_TYPES[UA_TYPES_DATETIME];
        data = &server->config.buildInfo.buildDate;
        break;

    default:
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINTERNALERROR;
        return UA_STATUSCODE_GOOD;
    }

    value->value.data = UA_new(value->value.type);
    if(!value->value.data) {
        value->value.type = NULL;
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    value->hasValue = true;
    return UA_copy(data, value->value.data, value->value.type);
}

#ifdef UA_GENERATED_NAMESPACE_ZERO
static UA_StatusCode
readServiceLevel(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
                 const UA_NodeId *nodeId, void *nodeContext, UA_Boolean includeSourceTimeStamp,
                 const UA_NumericRange *range, UA_DataValue *value) {
    if(range) {
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
        return UA_STATUSCODE_GOOD;
    }

    value->value.type = &UA_TYPES[UA_TYPES_BYTE];
    value->value.arrayLength = 0;
    UA_Byte *byte = UA_Byte_new();
    *byte = 255;
    value->value.data = byte;
    value->value.arrayDimensionsSize = 0;
    value->value.arrayDimensions = NULL;
    value->hasValue = true;
    if(includeSourceTimeStamp) {
        value->hasSourceTimestamp = true;
        value->sourceTimestamp = UA_DateTime_now();
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
readAuditing(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
             const UA_NodeId *nodeId, void *nodeContext, UA_Boolean includeSourceTimeStamp,
             const UA_NumericRange *range, UA_DataValue *value) {
    if(range) {
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
        return UA_STATUSCODE_GOOD;
    }

    value->value.type = &UA_TYPES[UA_TYPES_BOOLEAN];
    value->value.arrayLength = 0;
    UA_Boolean *boolean = UA_Boolean_new();
    *boolean = false;
    value->value.data = boolean;
    value->value.arrayDimensionsSize = 0;
    value->value.arrayDimensions = NULL;
    value->hasValue = true;
    if(includeSourceTimeStamp) {
        value->hasSourceTimestamp = true;
        value->sourceTimestamp = UA_DateTime_now();
    }
    return UA_STATUSCODE_GOOD;
}
#endif

static UA_StatusCode
readNamespaces(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
               const UA_NodeId *nodeid, void *nodeContext, UA_Boolean includeSourceTimeStamp,
               const UA_NumericRange *range,
               UA_DataValue *value) {
    /* ensure that the uri for ns1 is set up from the app description */
    setupNs1Uri(server);

    if(range) {
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
        return UA_STATUSCODE_GOOD;
    }
    UA_StatusCode retval;
    retval = UA_Variant_setArrayCopy(&value->value, server->namespaces,
                                     server->namespacesSize, &UA_TYPES[UA_TYPES_STRING]);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    value->hasValue = true;
    if(includeSourceTimeStamp) {
        value->hasSourceTimestamp = true;
        value->sourceTimestamp = UA_DateTime_now();
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
writeNamespaces(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
                const UA_NodeId *nodeid, void *nodeContext, const UA_NumericRange *range,
                const UA_DataValue *value) {
    /* Check the data type */
    if(!value->hasValue ||
       value->value.type != &UA_TYPES[UA_TYPES_STRING])
        return UA_STATUSCODE_BADTYPEMISMATCH;

    /* Check that the variant is not empty */
    if(!value->value.data)
        return UA_STATUSCODE_BADTYPEMISMATCH;

    /* TODO: Writing with a range is not implemented */
    if(range)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_String *newNamespaces = (UA_String*)value->value.data;
    size_t newNamespacesSize = value->value.arrayLength;

    /* Test if we append to the existing namespaces */
    if(newNamespacesSize <= server->namespacesSize)
        return UA_STATUSCODE_BADTYPEMISMATCH;

    /* ensure that the uri for ns1 is set up from the app description */
    setupNs1Uri(server);

    /* Test if the existing namespaces are unchanged */
    for(size_t i = 0; i < server->namespacesSize; ++i) {
        if(!UA_String_equal(&server->namespaces[i], &newNamespaces[i]))
            return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Add namespaces */
    for(size_t i = server->namespacesSize; i < newNamespacesSize; ++i)
        addNamespace(server, newNamespaces[i]);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
readCurrentTime(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
                const UA_NodeId *nodeid, void *nodeContext, UA_Boolean sourceTimeStamp,
                const UA_NumericRange *range, UA_DataValue *value) {
    if(range) {
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
        return UA_STATUSCODE_GOOD;
    }
    UA_DateTime currentTime = UA_DateTime_now();
    UA_StatusCode retval = UA_Variant_setScalarCopy(&value->value, &currentTime,
                                                    &UA_TYPES[UA_TYPES_DATETIME]);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    value->hasValue = true;
    if(sourceTimeStamp) {
        value->hasSourceTimestamp = true;
        value->sourceTimestamp = currentTime;
    }
    return UA_STATUSCODE_GOOD;
}

#ifdef UA_GENERATED_NAMESPACE_ZERO
static UA_StatusCode
readMinSamplingInterval(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
               const UA_NodeId *nodeid, void *nodeContext, UA_Boolean includeSourceTimeStamp,
               const UA_NumericRange *range,
               UA_DataValue *value) {
    if(range) {
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
        return UA_STATUSCODE_GOOD;
    }

    UA_StatusCode retval;
    UA_Duration minInterval;
#ifdef UA_ENABLE_SUBSCRIPTIONS
    minInterval = server->config.samplingIntervalLimits.min;
#else
    minInterval = 0.0;
#endif
    retval = UA_Variant_setScalarCopy(&value->value, &minInterval, &UA_TYPES[UA_TYPES_DURATION]);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    value->hasValue = true;
    if(includeSourceTimeStamp) {
        value->hasSourceTimestamp = true;
        value->sourceTimestamp = UA_DateTime_now();
    }
    return UA_STATUSCODE_GOOD;
}
#endif

#if defined(UA_GENERATED_NAMESPACE_ZERO) && defined(UA_ENABLE_METHODCALLS) && defined(UA_ENABLE_SUBSCRIPTIONS)
static UA_StatusCode
readMonitoredItems(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
                   const UA_NodeId *methodId, void *methodContext, const UA_NodeId *objectId,
                   void *objectContext, size_t inputSize, const UA_Variant *input,
                   size_t outputSize, UA_Variant *output) {
    /* Return two empty arrays by default */
    UA_Variant_setArray(&output[0], UA_Array_new(0, &UA_TYPES[UA_TYPES_UINT32]),
                        0, &UA_TYPES[UA_TYPES_UINT32]);
    UA_Variant_setArray(&output[1], UA_Array_new(0, &UA_TYPES[UA_TYPES_UINT32]),
                        0, &UA_TYPES[UA_TYPES_UINT32]);

    /* Get the Session */
    UA_LOCK(&server->serviceMutex);
    UA_Session *session = UA_Server_getSessionById(server, sessionId);
    if(!session) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    if(inputSize == 0 || !input[0].data) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
    }

    /* Get the Subscription */
    UA_UInt32 subscriptionId = *((UA_UInt32*)(input[0].data));
    UA_Subscription *subscription = UA_Server_getSubscriptionById(server, subscriptionId);
    if(!subscription) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
    }

    /* The Subscription is not attached to this Session */
    if(subscription->session != session) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADUSERACCESSDENIED;
    }

    /* Count the MonitoredItems */
    UA_UInt32 sizeOfOutput = 0;
    UA_MonitoredItem* monitoredItem;
    LIST_FOREACH(monitoredItem, &subscription->monitoredItems, listEntry) {
        ++sizeOfOutput;
    }
    if(sizeOfOutput == 0) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_GOOD;
    }

    /* Allocate the output arrays */
    UA_UInt32 *clientHandles = (UA_UInt32*)
        UA_Array_new(sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);
    if(!clientHandles) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    UA_UInt32 *serverHandles = (UA_UInt32*)
        UA_Array_new(sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);
    if(!serverHandles) {
        UA_UNLOCK(&server->serviceMutex);
        UA_free(clientHandles);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    /* Fill the array */
    UA_UInt32 i = 0;
    LIST_FOREACH(monitoredItem, &subscription->monitoredItems, listEntry) {
        clientHandles[i] = monitoredItem->parameters.clientHandle;
        serverHandles[i] = monitoredItem->monitoredItemId;
        ++i;
    }
    UA_Variant_setArray(&output[0], serverHandles, sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);
    UA_Variant_setArray(&output[1], clientHandles, sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);

    UA_UNLOCK(&server->serviceMutex);
    return UA_STATUSCODE_GOOD;
}
#endif /* defined(UA_ENABLE_METHODCALLS) && defined(UA_ENABLE_SUBSCRIPTIONS) */

UA_StatusCode
writeNs0VariableArray(UA_Server *server, UA_UInt32 id, void *v,
                      size_t length, const UA_DataType *type) {
    UA_Variant var;
    UA_Variant_init(&var);
    UA_Variant_setArray(&var, v, length, type);
    return UA_Server_writeValue(server, UA_NODEID_NUMERIC(0, id), var);
}

#ifndef UA_GENERATED_NAMESPACE_ZERO
static UA_StatusCode
addVariableNode(UA_Server *server, char* name, UA_UInt32 variableid,
                UA_UInt32 parentid, UA_UInt32 referenceid,
                UA_Int32 valueRank, UA_UInt32 dataType) {
    UA_VariableAttributes attr = UA_VariableAttributes_default;
    attr.displayName = UA_LOCALIZEDTEXT("", name);
    attr.dataType = UA_NODEID_NUMERIC(0, dataType);
    attr.valueRank = valueRank;
    attr.accessLevel = UA_ACCESSLEVELMASK_READ;
    return UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(0, variableid),
                                     UA_NODEID_NUMERIC(0, parentid), UA_NODEID_NUMERIC(0, referenceid),
                                     UA_QUALIFIEDNAME(0, name),
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
                                     attr, NULL, NULL);
}

/* A minimal server object that is not complete and does not use the mandated
 * references to a server type. To be used on very constrained devices. */
static UA_StatusCode
UA_Server_minimalServerObject(UA_Server *server) {
    /* Server */
    UA_StatusCode retval = addObjectNode(server, "Server", UA_NS0ID_SERVER, UA_NS0ID_OBJECTSFOLDER,
                                         UA_NS0ID_ORGANIZES, UA_NS0ID_BASEOBJECTTYPE);

    /* Use a valuerank of -2 for now. The array is added later on and the valuerank set to 1. */
    retval |= addVariableNode(server, "ServerArray", UA_NS0ID_SERVER_SERVERARRAY,
                              UA_NS0ID_SERVER, UA_NS0ID_HASPROPERTY,
                              UA_VALUERANK_ANY, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "NamespaceArray", UA_NS0ID_SERVER_NAMESPACEARRAY,
                              UA_NS0ID_SERVER, UA_NS0ID_HASPROPERTY,
                              UA_VALUERANK_ANY, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "ServerStatus", UA_NS0ID_SERVER_SERVERSTATUS,
                              UA_NS0ID_SERVER, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "CurrentTime", UA_NS0ID_SERVER_SERVERSTATUS_CURRENTTIME,
                              UA_NS0ID_SERVER_SERVERSTATUS, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "State", UA_NS0ID_SERVER_SERVERSTATUS_STATE,
                              UA_NS0ID_SERVER_SERVERSTATUS, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "BuildInfo", UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO,
                              UA_NS0ID_SERVER_SERVERSTATUS, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "ProductUri", UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTURI,
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "ManufacturerName",
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_MANUFACTURERNAME,
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "ProductName",
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTNAME,
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "SoftwareVersion",
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_SOFTWAREVERSION,
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "BuildNumber",
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDNUMBER,
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    retval |= addVariableNode(server, "BuildDate",
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDDATE,
                              UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO, UA_NS0ID_HASCOMPONENT,
                              UA_VALUERANK_SCALAR, UA_NS0ID_BASEDATATYPE);

    return retval;
}

#else

static UA_StatusCode
writeNs0Variable(UA_Server *server, UA_UInt32 id, void *v, const UA_DataType *type) {
    UA_Variant var;
    UA_Variant_init(&var);
    UA_Variant_setScalar(&var, v, type);
    return UA_Server_writeValue(server, UA_NODEID_NUMERIC(0, id), var);
}

static void
addModellingRules(UA_Server *server) {
    /* Test if the ModellingRules folder was added. (Only for the full ns0.) */
    UA_NodeClass mrnc = UA_NODECLASS_UNSPECIFIED;
    UA_StatusCode retval = UA_Server_readNodeClass(server,
                                                   UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MODELLINGRULES),
                                                   &mrnc);
    if(retval != UA_STATUSCODE_GOOD)
        return;

    /* Add ExposesItsArray */
    UA_Server_addReference(server,
                           UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MODELLINGRULES),
                           UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                           UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_MODELLINGRULE_EXPOSESITSARRAY),
                           true);

    /* Add Mandatory */
    UA_Server_addReference(server,
                           UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MODELLINGRULES),
                           UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                           UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_MODELLINGRULE_MANDATORY),
                           true);


    /* Add MandatoryPlaceholder */
    UA_Server_addReference(server,
                           UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MODELLINGRULES),
                           UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                           UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_MODELLINGRULE_MANDATORYPLACEHOLDER),
                           true);

    /* Add Optional */
    UA_Server_addReference(server,
                           UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MODELLINGRULES),
                           UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                           UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_MODELLINGRULE_OPTIONAL),
                           true);

    /* Add OptionalPlaceholder */
    UA_Server_addReference(server,
                           UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MODELLINGRULES),
                           UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                           UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_MODELLINGRULE_OPTIONALPLACEHOLDER),
                           true);
}

#endif

/* Initialize the nodeset 0 by using the generated code of the nodeset compiler.
 * This also initialized the data sources for various variables, such as for
 * example server time. */
UA_StatusCode
UA_Server_initNS0(UA_Server *server) {
    /* Initialize base nodes which are always required an cannot be created
     * through the NS compiler */
    server->bootstrapNS0 = true;
    UA_StatusCode retVal = UA_Server_createNS0_base(server);

#ifdef UA_GENERATED_NAMESPACE_ZERO
    /* Load nodes and references generated from the XML ns0 definition */
    retVal |= namespace0_generated(server);
#else
    /* Create a minimal server object */
    retVal |= UA_Server_minimalServerObject(server);
#endif

    server->bootstrapNS0 = false;

    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Initialization of Namespace 0 failed with %s. "
                     "See previous outputs for any error messages.",
                     UA_StatusCode_name(retVal));
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* NamespaceArray */
    UA_DataSource namespaceDataSource = {readNamespaces, writeNamespaces};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                                                   UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_NAMESPACEARRAY),
                                                   namespaceDataSource);
    retVal |= UA_Server_writeValueRank(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_NAMESPACEARRAY), 1);

    /* ServerArray */
    retVal |= writeNs0VariableArray(server, UA_NS0ID_SERVER_SERVERARRAY,
                                    &server->config.applicationDescription.applicationUri,
                                    1, &UA_TYPES[UA_TYPES_STRING]);
    retVal |= UA_Server_writeValueRank(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERARRAY), 1);

    /* ServerStatus */
    UA_DataSource serverStatus = {readStatus, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS), serverStatus);

    /* StartTime will be sampled in UA_Server_run_startup()*/

    /* CurrentTime */
    UA_DataSource currentTime = {readCurrentTime, NULL};
    UA_NodeId currTime = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_CURRENTTIME);
    retVal |= UA_Server_setVariableNode_dataSource(server, currTime, currentTime);
    retVal |= UA_Server_writeMinimumSamplingInterval(server, currTime, 100.0);

    /* State */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STATE),
                                                   serverStatus);

    /* BuildInfo */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO), serverStatus);

    /* BuildInfo - ProductUri */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTURI),
                                                   serverStatus);

    /* BuildInfo - ManufacturerName */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_MANUFACTURERNAME),
                                                   serverStatus);

    /* BuildInfo - ProductName */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTNAME),
                                                   serverStatus);

    /* BuildInfo - SoftwareVersion */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_SOFTWAREVERSION),
                                                   serverStatus);

    /* BuildInfo - BuildNumber */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDNUMBER),
                                                   serverStatus);

    /* BuildInfo - BuildDate */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDDATE),
                                                   serverStatus);

#ifdef UA_GENERATED_NAMESPACE_ZERO

    /* SecondsTillShutdown */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_SECONDSTILLSHUTDOWN),
                                                   serverStatus);

    /* ShutDownReason */
    UA_LocalizedText shutdownReason;
    UA_LocalizedText_init(&shutdownReason);
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_SHUTDOWNREASON,
                               &shutdownReason, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);

    /* ServiceLevel */
    UA_DataSource serviceLevel = {readServiceLevel, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVICELEVEL), serviceLevel);

    /* ServerDiagnostics - EnabledFlag */
#ifdef UA_ENABLE_DIAGNOSTICS
    UA_Boolean enabledFlag = true;
#else
    UA_Boolean enabledFlag = false;
#endif
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_ENABLEDFLAG,
                               &enabledFlag, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* According to Specification part-5 - pg.no-11(PDF pg.no-29), when the ServerDiagnostics is disabled the client
     * may modify the value of enabledFlag=true in the server. By default, this node have CurrentRead/Write access.
     * In CTT, Subscription_Minimum_1/002.js test will modify the above flag. This will not be a problem when build
     * configuration is set at UA_NAMESPACE_ZERO="REDUCED" as NodeIds will not be present. When UA_NAMESPACE_ZERO="FULL",
     * the test will fail. Hence made the NodeId as read only */
    retVal |= UA_Server_writeAccessLevel(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_ENABLEDFLAG),
                                         UA_ACCESSLEVELMASK_READ);

    /* Auditing */
    UA_DataSource auditing = {readAuditing, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_AUDITING), auditing);

    /* Redundancy Support */
    UA_RedundancySupport redundancySupport = UA_REDUNDANCYSUPPORT_NONE;
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERREDUNDANCY_REDUNDANCYSUPPORT,
                               &redundancySupport, &UA_TYPES[UA_TYPES_REDUNDANCYSUPPORT]);

    /* Remove unused subtypes of ServerRedundancy */
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERREDUNDANCY_CURRENTSERVERID), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERREDUNDANCY_REDUNDANTSERVERARRAY), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERREDUNDANCY_SERVERURIARRAY), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERREDUNDANCY_SERVERNETWORKGROUPS), true);

    /* ServerCapabilities - LocaleIdArray */
    UA_LocaleId locale_en = UA_STRING("en");
    retVal |= writeNs0VariableArray(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_LOCALEIDARRAY,
                                    &locale_en, 1, &UA_TYPES[UA_TYPES_LOCALEID]);

    /* ServerCapabilities - MaxBrowseContinuationPoints */
    UA_UInt16 maxBrowseContinuationPoints = UA_MAXCONTINUATIONPOINTS;
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXBROWSECONTINUATIONPOINTS,
                               &maxBrowseContinuationPoints, &UA_TYPES[UA_TYPES_UINT16]);

    /* ServerProfileArray */
    UA_String profileArray[3];
    UA_UInt16 profileArraySize = 0;
#define ADDPROFILEARRAY(x) profileArray[profileArraySize++] = UA_STRING(x)
    ADDPROFILEARRAY("http://opcfoundation.org/UA-Profile/Server/MicroEmbeddedDevice");
#ifdef UA_ENABLE_NODEMANAGEMENT
    ADDPROFILEARRAY("http://opcfoundation.org/UA-Profile/Server/NodeManagement");
#endif
#ifdef UA_ENABLE_METHODCALLS
    ADDPROFILEARRAY("http://opcfoundation.org/UA-Profile/Server/Methods");
#endif
    retVal |= writeNs0VariableArray(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_SERVERPROFILEARRAY,
                                    profileArray, profileArraySize, &UA_TYPES[UA_TYPES_STRING]);

    /* ServerCapabilities - MaxQueryContinuationPoints */
    UA_UInt16 maxQueryContinuationPoints = 0;
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXQUERYCONTINUATIONPOINTS,
                               &maxQueryContinuationPoints, &UA_TYPES[UA_TYPES_UINT16]);

    /* ServerCapabilities - MaxHistoryContinuationPoints */
    UA_UInt16 maxHistoryContinuationPoints = 0;
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXHISTORYCONTINUATIONPOINTS,
                               &maxHistoryContinuationPoints, &UA_TYPES[UA_TYPES_UINT16]);

    /* ServerCapabilities - MinSupportedSampleRate */
    UA_DataSource samplingInterval = {readMinSamplingInterval, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                 UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MINSUPPORTEDSAMPLERATE),
                                                   samplingInterval);

    /* ServerCapabilities - OperationLimits - MaxNodesPerRead */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERREAD,
                               &server->config.maxNodesPerRead, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - OperationLimits - maxNodesPerWrite */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERWRITE,
                               &server->config.maxNodesPerWrite, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - OperationLimits - MaxNodesPerMethodCall */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERMETHODCALL,
                               &server->config.maxNodesPerMethodCall, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - OperationLimits - MaxNodesPerBrowse */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERBROWSE,
                               &server->config.maxNodesPerBrowse, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - OperationLimits - MaxNodesPerRegisterNodes */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERREGISTERNODES,
                               &server->config.maxNodesPerRegisterNodes, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - OperationLimits - MaxNodesPerTranslateBrowsePathsToNodeIds */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERTRANSLATEBROWSEPATHSTONODEIDS,
                               &server->config.maxNodesPerTranslateBrowsePathsToNodeIds, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - OperationLimits - MaxNodesPerNodeManagement */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERNODEMANAGEMENT,
                               &server->config.maxNodesPerNodeManagement, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - OperationLimits - MaxMonitoredItemsPerCall */
    retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXMONITOREDITEMSPERCALL,
                               &server->config.maxMonitoredItemsPerCall, &UA_TYPES[UA_TYPES_UINT32]);

    /* Remove unused operation limit components */
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERHISTORYREADDATA), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERHISTORYREADEVENTS), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERHISTORYUPDATEDATA), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_OPERATIONLIMITS_MAXNODESPERHISTORYUPDATEEVENTS), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_ROLESET), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXSTRINGLENGTH), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXARRAYLENGTH), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXBYTESTRINGLENGTH), true);

    /* Remove not supported server configurations */
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_ESTIMATEDRETURNTIME), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_LOCALTIME), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_REQUESTSERVERSTATECHANGE), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_RESENDDATA), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVERCONFIGURATION), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SETSUBSCRIPTIONDURABLE), true);

#ifdef UA_ENABLE_DIAGNOSTICS
    /* ServerDiagnostics - ServerDiagnosticsSummary */
    UA_DataSource serverDiagSummary = {readDiagnostics, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - ServerViewCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SERVERVIEWCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - CurrentSessionCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CURRENTSESSIONCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - CumulatedSessionCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CUMULATEDSESSIONCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - SecurityRejectedSessionCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SECURITYREJECTEDSESSIONCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - RejectedSessionCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_REJECTEDSESSIONCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - SessionTimeoutCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SESSIONTIMEOUTCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - SessionAbortCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SESSIONABORTCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - CurrentSubscriptionCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CURRENTSUBSCRIPTIONCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - CumulatedSubscriptionCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CUMULATEDSUBSCRIPTIONCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - PublishingIntervalCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_PUBLISHINGINTERVALCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - SecurityRejectedRequestsCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SECURITYREJECTEDREQUESTSCOUNT), serverDiagSummary);

    /* ServerDiagnostics - ServerDiagnosticsSummary - RejectedRequestsCount */
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_REJECTEDREQUESTSCOUNT), serverDiagSummary);

    /* ServerDiagnostics - SubscriptionDiagnosticsArray */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_DataSource serverSubDiagSummary = {readSubscriptionDiagnosticsArray, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SUBSCRIPTIONDIAGNOSTICSARRAY), serverSubDiagSummary);
#endif

    /* ServerDiagnostics - SessionDiagnosticsSummary - SessionDiagnosticsArray */
    UA_DataSource sessionDiagSummary = {readSessionDiagnosticsArray, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SESSIONSDIAGNOSTICSSUMMARY_SESSIONDIAGNOSTICSARRAY), sessionDiagSummary);

    /* ServerDiagnostics - SessionDiagnosticsSummary - SessionSecurityDiagnosticsArray */
    UA_DataSource sessionSecDiagSummary = {readSessionSecurityDiagnostics, NULL};
    retVal |= UA_Server_setVariableNode_dataSource(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SESSIONSDIAGNOSTICSSUMMARY_SESSIONSECURITYDIAGNOSTICSARRAY), sessionSecDiagSummary);

#else
    /* Removing these NodeIds make Server Object to be non-complaint with UA
     * 1.03 in CTT (Base Inforamtion/Base Info Core Structure/ 001.js) In the
     * 1.04 specification this has been resolved by allowing to remove these
     * static nodes as well */
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SAMPLINGINTERVALDIAGNOSTICSARRAY), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SESSIONSDIAGNOSTICSSUMMARY), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY), true);
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SUBSCRIPTIONDIAGNOSTICSARRAY), true);
#endif

#ifndef UA_ENABLE_PUBSUB
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE), true);
#endif

#ifndef UA_ENABLE_HISTORIZING
    UA_Server_deleteNode(server, UA_NODEID_NUMERIC(0, UA_NS0ID_HISTORYSERVERCAPABILITIES), true);
#else
    /* ServerCapabilities - HistoryServerCapabilities - AccessHistoryDataCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_ACCESSHISTORYDATACAPABILITY,
                               &server->config.accessHistoryDataCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - MaxReturnDataValues */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_MAXRETURNDATAVALUES,
                               &server->config.maxReturnDataValues, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - HistoryServerCapabilities - AccessHistoryEventsCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_ACCESSHISTORYEVENTSCAPABILITY,
                               &server->config.accessHistoryEventsCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - MaxReturnEventValues */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_MAXRETURNEVENTVALUES,
                               &server->config.maxReturnEventValues, &UA_TYPES[UA_TYPES_UINT32]);

    /* ServerCapabilities - HistoryServerCapabilities - InsertDataCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_INSERTDATACAPABILITY,
                               &server->config.insertDataCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - InsertEventCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_INSERTEVENTCAPABILITY,
                               &server->config.insertEventCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - InsertAnnotationsCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_INSERTANNOTATIONCAPABILITY,
                               &server->config.insertAnnotationsCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - ReplaceDataCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_REPLACEDATACAPABILITY,
                               &server->config.replaceDataCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - ReplaceEventCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_REPLACEEVENTCAPABILITY,
                               &server->config.replaceEventCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - UpdateDataCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_UPDATEDATACAPABILITY,
                               &server->config.updateDataCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - UpdateEventCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_UPDATEEVENTCAPABILITY,
                               &server->config.updateEventCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - DeleteRawCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_DELETERAWCAPABILITY,
                               &server->config.deleteRawCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - DeleteEventCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_DELETEEVENTCAPABILITY,
                               &server->config.deleteEventCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);

    /* ServerCapabilities - HistoryServerCapabilities - DeleteAtTimeDataCapability */
    retVal |= writeNs0Variable(server, UA_NS0ID_HISTORYSERVERCAPABILITIES_DELETEATTIMECAPABILITY,
                               &server->config.deleteAtTimeDataCapability, &UA_TYPES[UA_TYPES_BOOLEAN]);
#endif

#if defined(UA_ENABLE_METHODCALLS) && defined(UA_ENABLE_SUBSCRIPTIONS)
    retVal |= UA_Server_setMethodNodeCallback(server,
                        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_GETMONITOREDITEMS), readMonitoredItems);
#endif

    /* The HasComponent references to the ModellingRules are not part of the
     * Nodeset2.xml. So we add the references manually. */
    addModellingRules(server);

#endif /* UA_GENERATED_NAMESPACE_ZERO */

    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Initialization of Namespace 0 (after bootstrapping) "
                     "failed with %s. See previous outputs for any error messages.",
                     UA_StatusCode_name(retVal));
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return UA_STATUSCODE_GOOD;
}

/**** amalgamated original file "/src/server/ua_server_ns0_diagnostics.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2022 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 */


#ifdef UA_ENABLE_DIAGNOSTICS

static UA_Boolean
equalBrowseName(UA_String *bn, char *n) {
    UA_String name = UA_STRING(n);
    return UA_String_equal(bn, &name);
}

#ifdef UA_ENABLE_SUBSCRIPTIONS

/****************************/
/* Subscription Diagnostics */
/****************************/

static void
fillSubscriptionDiagnostics(UA_Subscription *sub,
                            UA_SubscriptionDiagnosticsDataType *diag) {
    UA_NodeId_copy(&sub->session->sessionId, &diag->sessionId); /* ignore status */
    diag->subscriptionId = sub->subscriptionId;
    diag->priority = sub->priority;
    diag->publishingInterval = sub->publishingInterval;
    diag->maxKeepAliveCount = sub->maxKeepAliveCount;
    diag->maxLifetimeCount = sub->lifeTimeCount;
    diag->maxNotificationsPerPublish = sub->notificationsPerPublish;
    diag->publishingEnabled = sub->publishingEnabled;
    diag->modifyCount = sub->modifyCount;
    diag->enableCount = sub->enableCount;
    diag->disableCount = sub->disableCount;
    diag->republishRequestCount = sub->republishRequestCount;
    diag->republishMessageRequestCount =
        sub->republishRequestCount; /* Always equal to the previous republishRequestCount */
    diag->republishMessageCount = sub->republishMessageCount;
    diag->transferRequestCount = sub->transferRequestCount;
    diag->transferredToAltClientCount = sub->transferredToAltClientCount;
    diag->transferredToSameClientCount = sub->transferredToSameClientCount;
    diag->publishRequestCount = sub->publishRequestCount;
    diag->dataChangeNotificationsCount = sub->dataChangeNotificationsCount;
    diag->eventNotificationsCount = sub->eventNotificationsCount;
    diag->notificationsCount = sub->notificationsCount;
    diag->latePublishRequestCount = sub->latePublishRequestCount;
    diag->currentKeepAliveCount = sub->currentKeepAliveCount;
    diag->currentLifetimeCount = sub->currentLifetimeCount;
    diag->unacknowledgedMessageCount = (UA_UInt32)sub->retransmissionQueueSize;
    diag->discardedMessageCount = sub->discardedMessageCount;
    diag->monitoredItemCount = sub->monitoredItemsSize;
    diag->monitoringQueueOverflowCount = sub->monitoringQueueOverflowCount;
    diag->nextSequenceNumber = sub->nextSequenceNumber;
    diag->eventQueueOverFlowCount = sub->eventQueueOverFlowCount;

    /* Count the disabled MonitoredItems */
    UA_MonitoredItem *mon;
    LIST_FOREACH(mon, &sub->monitoredItems, listEntry) {
        if(mon->monitoringMode == UA_MONITORINGMODE_DISABLED)
            diag->disabledMonitoredItemCount++;
    }
}

/* The node context points to the subscription */
static UA_StatusCode
readSubscriptionDiagnostics(UA_Server *server,
                            const UA_NodeId *sessionId, void *sessionContext,
                            const UA_NodeId *nodeId, void *nodeContext,
                            UA_Boolean sourceTimestamp,
                            const UA_NumericRange *range, UA_DataValue *value) {
    /* Check the Subscription pointer */
    UA_Subscription *sub = (UA_Subscription*)nodeContext;
    if(!sub)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Read the BrowseName */
    UA_QualifiedName bn;
    UA_StatusCode res = readWithReadValue(server, nodeId, UA_ATTRIBUTEID_BROWSENAME, &bn);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    /* Set the value */
    UA_SubscriptionDiagnosticsDataType sddt;
    UA_SubscriptionDiagnosticsDataType_init(&sddt);
    fillSubscriptionDiagnostics(sub, &sddt);

    char memberName[128];
    memcpy(memberName, bn.name.data, bn.name.length);
    memberName[bn.name.length] = 0;

    size_t memberOffset;
    const UA_DataType *memberType;
    UA_Boolean isArray;
    UA_Boolean found =
        UA_DataType_getStructMember(&UA_TYPES[UA_TYPES_SUBSCRIPTIONDIAGNOSTICSDATATYPE],
                                    memberName, &memberOffset, &memberType, &isArray);
    if(!found) {
        /* Not the member, but the main subscription diagnostics variable... */
        memberOffset = 0;
        memberType = &UA_TYPES[UA_TYPES_SUBSCRIPTIONDIAGNOSTICSDATATYPE];
    }

    void *content = (void*)(((uintptr_t)&sddt) + memberOffset);
    res = UA_Variant_setScalarCopy(&value->value, content, memberType);
    if(UA_LIKELY(res == UA_STATUSCODE_GOOD))
        value->hasValue = true;

    UA_SubscriptionDiagnosticsDataType_clear(&sddt);
    UA_QualifiedName_clear(&bn);
    return res;
}

/* If the nodeContext == NULL, return all subscriptions in the server.
 * Otherwise only for the current session. */
UA_StatusCode
readSubscriptionDiagnosticsArray(UA_Server *server,
                                 const UA_NodeId *sessionId, void *sessionContext,
                                 const UA_NodeId *nodeId, void *nodeContext,
                                 UA_Boolean sourceTimestamp,
                                 const UA_NumericRange *range, UA_DataValue *value) {
    /* Get the current session */
    size_t sdSize = 0;
    UA_Session *session = NULL;
    session_list_entry *sentry;
    if(nodeContext) {
        session = UA_Server_getSessionById(server, sessionId);
        if(!session)
            return UA_STATUSCODE_BADINTERNALERROR;
        sdSize = session->subscriptionsSize;
    } else {
        LIST_FOREACH(sentry, &server->sessions, pointers) {
            sdSize += sentry->session.subscriptionsSize;
        }
    }

    /* Allocate the output array */
    UA_SubscriptionDiagnosticsDataType *sd = (UA_SubscriptionDiagnosticsDataType*)
        UA_Array_new(sdSize, &UA_TYPES[UA_TYPES_SUBSCRIPTIONDIAGNOSTICSDATATYPE]);
    if(!sd)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Collect the statistics */
    size_t i = 0;
    UA_Subscription *sub;
    if(session) {
        TAILQ_FOREACH(sub, &session->subscriptions, sessionListEntry) {
            fillSubscriptionDiagnostics(sub, &sd[i]);
            i++;
        }
    } else {
        LIST_FOREACH(sentry, &server->sessions, pointers) {
            TAILQ_FOREACH(sub, &sentry->session.subscriptions, sessionListEntry) {
                fillSubscriptionDiagnostics(sub, &sd[i]);
                i++;
            }
        }
    }

    /* Set the output */
    value->hasValue = true;
    UA_Variant_setArray(&value->value, sd, sdSize,
                        &UA_TYPES[UA_TYPES_SUBSCRIPTIONDIAGNOSTICSDATATYPE]);
    return UA_STATUSCODE_GOOD;
}

void
createSubscriptionObject(UA_Server *server, UA_Session *session,
                         UA_Subscription *sub) {
    UA_ExpandedNodeId *children = NULL;
    size_t childrenSize = 0;
    UA_ReferenceTypeSet refTypes;
    UA_NodeId hasComponent = UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT);

    char subIdStr[32];
    snprintf(subIdStr, 32, "%u", sub->subscriptionId);

    /* Find the NodeId of the SubscriptionDiagnosticsArray */
    UA_BrowsePath bp;
    UA_BrowsePath_init(&bp);
    bp.startingNode = sub->session->sessionId;
    UA_RelativePathElement rpe[1];
    memset(rpe, 0, sizeof(UA_RelativePathElement) * 1);
    rpe[0].targetName = UA_QUALIFIEDNAME(0, "SubscriptionDiagnosticsArray");
    bp.relativePath.elements = rpe;
    bp.relativePath.elementsSize = 1;
    UA_BrowsePathResult bpr = translateBrowsePathToNodeIds(server, &bp);
    if(bpr.targetsSize < 1)
        return;

    /* Create an object for the subscription. Instantiates all the mandatory
     * children. */
    UA_VariableAttributes var_attr = UA_VariableAttributes_default;
    var_attr.displayName.text = UA_STRING(subIdStr);
    var_attr.dataType = UA_TYPES[UA_TYPES_SUBSCRIPTIONDIAGNOSTICSDATATYPE].typeId;
    UA_NodeId refId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT);
    UA_QualifiedName browseName = UA_QUALIFIEDNAME(0, subIdStr);
    UA_NodeId typeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SUBSCRIPTIONDIAGNOSTICSTYPE);
    UA_NodeId objId = UA_NODEID_NUMERIC(1, 0); /* 0 => assign a random free id */
    UA_StatusCode res = addNode(server, UA_NODECLASS_VARIABLE,
                                &objId,
                                &bpr.targets[0].targetId.nodeId /* parent */,
                                &refId, browseName, &typeId,
                                (UA_NodeAttributes*)&var_attr,
                                &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES], NULL, &objId);
    UA_CHECK_STATUS(res, goto cleanup);

    /* Add a second reference from the overall SubscriptionDiagnosticsArray variable */
    const UA_NodeId subDiagArray =
        UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SUBSCRIPTIONDIAGNOSTICSARRAY);
    res = addRef(server, session,  &subDiagArray, &refId, &objId, true);

    /* Get all children (including the variable itself) and set the contenxt + callback */
    res = referenceTypeIndices(server, &hasComponent, &refTypes, false);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;
    res = browseRecursive(server, 1, &objId,
                          UA_BROWSEDIRECTION_FORWARD, &refTypes,
                          UA_NODECLASS_VARIABLE, true, &childrenSize, &children);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Add the callback to all variables  */
    UA_DataSource subDiagSource = {readSubscriptionDiagnostics, NULL};
    for(size_t i = 0; i < childrenSize; i++) {
        setVariableNode_dataSource(server, children[i].nodeId, subDiagSource);
        setNodeContext(server, children[i].nodeId, sub);
    }

    UA_Array_delete(children, childrenSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);

 cleanup:
    UA_BrowsePathResult_clear(&bpr);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "Creating the subscription diagnostics object failed "
                               "with StatusCode %s", UA_StatusCode_name(res));
    }
}

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/***********************/
/* Session Diagnostics */
/***********************/

static void
setSessionDiagnostics(UA_Session *session, UA_SessionDiagnosticsDataType *sd) {
    UA_SessionDiagnosticsDataType_copy(&session->diagnostics, sd);
    UA_NodeId_copy(&session->sessionId, &sd->sessionId);
    UA_String_copy(&session->sessionName, &sd->sessionName);
    UA_ApplicationDescription_copy(&session->clientDescription,
                                   &sd->clientDescription);
    sd->maxResponseMessageSize = session->maxResponseMessageSize;
#ifdef UA_ENABLE_SUBSCRIPTIONS
    sd->currentPublishRequestsInQueue = (UA_UInt32)session->responseQueueSize;
#endif
    sd->actualSessionTimeout = session->timeout;

    /* Set LocaleIds */
    UA_StatusCode res =
        UA_Array_copy(session->localeIds, session->localeIdsSize,
                      (void **)&sd->localeIds, &UA_TYPES[UA_TYPES_STRING]);
    if(UA_LIKELY(res == UA_STATUSCODE_GOOD))
        sd->localeIdsSize = session->localeIdsSize;

        /* Set Subscription diagnostics */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    sd->currentSubscriptionsCount = (UA_UInt32)session->subscriptionsSize;

    UA_Subscription *sub;
    TAILQ_FOREACH(sub, &session->subscriptions, sessionListEntry) {
        sd->currentMonitoredItemsCount += (UA_UInt32)sub->monitoredItemsSize;
    }
#endif
}

UA_StatusCode
readSessionDiagnosticsArray(UA_Server *server,
                            const UA_NodeId *sessionId, void *sessionContext,
                            const UA_NodeId *nodeId, void *nodeContext,
                            UA_Boolean sourceTimestamp,
                            const UA_NumericRange *range, UA_DataValue *value) {
    /* Allocate the output array */
    UA_SessionDiagnosticsDataType *sd = (UA_SessionDiagnosticsDataType*)
        UA_Array_new(server->sessionCount,
                     &UA_TYPES[UA_TYPES_SESSIONDIAGNOSTICSDATATYPE]);
    if(!sd)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Collect the statistics */
    size_t i = 0;
    session_list_entry *session;
    LIST_FOREACH(session, &server->sessions, pointers) {
        setSessionDiagnostics(&session->session, &sd[i]);
        i++;
    }

    /* Set the output */
    value->hasValue = true;
    UA_Variant_setArray(&value->value, sd, server->sessionCount,
                        &UA_TYPES[UA_TYPES_SESSIONDIAGNOSTICSDATATYPE]);
    return UA_STATUSCODE_GOOD;
}

static void
setSessionSecurityDiagnostics(UA_Session *session,
                              UA_SessionSecurityDiagnosticsDataType *sd) {
    UA_SessionSecurityDiagnosticsDataType_copy(&session->securityDiagnostics, sd);
    UA_NodeId_copy(&session->sessionId, &sd->sessionId);
    UA_SecureChannel *channel = session->header.channel;
    if(channel) {
        UA_ByteString_copy(&channel->remoteCertificate, &sd->clientCertificate);
        UA_String_copy(&channel->securityPolicy->policyUri, &sd->securityPolicyUri);
        sd->securityMode = channel->securityMode;
        sd->encoding = UA_STRING_ALLOC("UA Binary"); /* The only one atm */
        sd->transportProtocol = UA_STRING_ALLOC("opc.tcp"); /* The only one atm */
    }
}

static UA_StatusCode
readSessionDiagnostics(UA_Server *server,
                       const UA_NodeId *sessionId, void *sessionContext,
                       const UA_NodeId *nodeId, void *nodeContext,
                       UA_Boolean sourceTimestamp,
                       const UA_NumericRange *range, UA_DataValue *value) {
    /* Get the Session */
    UA_Session *session = UA_Server_getSessionById(server, sessionId);
    if(!session)
        return UA_STATUSCODE_BADINTERNALERROR;
    
    /* Read the BrowseName */
    UA_QualifiedName bn;
    UA_StatusCode res = readWithReadValue(server, nodeId, UA_ATTRIBUTEID_BROWSENAME, &bn);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    union {
        UA_SessionDiagnosticsDataType sddt;
        UA_SessionSecurityDiagnosticsDataType ssddt;
    } data;
    void *content;
    UA_Boolean isArray = false;
    const UA_DataType *type = NULL;
    UA_Boolean securityDiagnostics = false;

    char memberName[128];
    size_t memberOffset;
    UA_Boolean found;

    if(equalBrowseName(&bn.name, "SubscriptionDiagnosticsArray")) {
        /* Reuse the datasource callback. Forward a non-null nodeContext to
         * indicate that we want to see only the subscriptions for the current
         * session. */
        res = readSubscriptionDiagnosticsArray(server, sessionId, sessionContext,
                                               nodeId, (void*)0x01,
                                               sourceTimestamp, range, value);
        goto cleanup;
    } else if(equalBrowseName(&bn.name, "SessionDiagnostics")) {
        setSessionDiagnostics(session, &data.sddt);
        content = &data.sddt;
        type = &UA_TYPES[UA_TYPES_SESSIONDIAGNOSTICSDATATYPE];
        goto set_value;
    } else if(equalBrowseName(&bn.name, "SessionSecurityDiagnostics")) {
        setSessionSecurityDiagnostics(session, &data.ssddt);
        securityDiagnostics = true;
        content = &data.ssddt;
        type = &UA_TYPES[UA_TYPES_SESSIONSECURITYDIAGNOSTICSDATATYPE];
        goto set_value;
    }

    /* Try to find the member in SessionDiagnosticsDataType and
     * SessionSecurityDiagnosticsDataType */
    memcpy(memberName, bn.name.data, bn.name.length);
    memberName[bn.name.length] = 0;
    found = UA_DataType_getStructMember(&UA_TYPES[UA_TYPES_SESSIONDIAGNOSTICSDATATYPE],
                                        memberName, &memberOffset, &type, &isArray);
    if(found) {
        setSessionDiagnostics(session, &data.sddt);
        content = (void*)(((uintptr_t)&data.sddt) + memberOffset);
    } else {
        found = UA_DataType_getStructMember(&UA_TYPES[UA_TYPES_SESSIONSECURITYDIAGNOSTICSDATATYPE],
                                            memberName, &memberOffset, &type, &isArray);
        if(!found) {
            res = UA_STATUSCODE_BADNOTIMPLEMENTED;
            goto cleanup;
        }
        setSessionSecurityDiagnostics(session, &data.ssddt);
        securityDiagnostics = true;
        content = (void*)(((uintptr_t)&data.ssddt) + memberOffset);
    }

 set_value:
    if(!isArray) {
        res = UA_Variant_setScalarCopy(&value->value, content, type);
    } else {
        size_t len = *(size_t*)content;
        content = (void*)(((uintptr_t)content) + sizeof(size_t));
        res = UA_Variant_setArrayCopy(&value->value, content, len, type);
    }
    if(UA_LIKELY(res == UA_STATUSCODE_GOOD))
        value->hasValue = true;

    if(securityDiagnostics)
        UA_SessionSecurityDiagnosticsDataType_clear(&data.ssddt);
    else
        UA_SessionDiagnosticsDataType_clear(&data.sddt);

 cleanup:
    UA_QualifiedName_clear(&bn);
    return res;
}

UA_StatusCode
readSessionSecurityDiagnostics(UA_Server *server,
                               const UA_NodeId *sessionId, void *sessionContext,
                               const UA_NodeId *nodeId, void *nodeContext,
                               UA_Boolean sourceTimestamp,
                               const UA_NumericRange *range, UA_DataValue *value) {
    /* Allocate the output array */
    UA_SessionSecurityDiagnosticsDataType *sd = (UA_SessionSecurityDiagnosticsDataType*)
        UA_Array_new(server->sessionCount,
                     &UA_TYPES[UA_TYPES_SESSIONSECURITYDIAGNOSTICSDATATYPE]);
    if(!sd)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Collect the statistics */
    size_t i = 0;
    session_list_entry *session;
    LIST_FOREACH(session, &server->sessions, pointers) {
        setSessionSecurityDiagnostics(&session->session, &sd[i]);
        i++;
    }

    /* Set the output */
    value->hasValue = true;
    UA_Variant_setArray(&value->value, sd, server->sessionCount,
                        &UA_TYPES[UA_TYPES_SESSIONSECURITYDIAGNOSTICSDATATYPE]);
    return UA_STATUSCODE_GOOD;
}

void
createSessionObject(UA_Server *server, UA_Session *session) {
    UA_ExpandedNodeId *children = NULL;
    size_t childrenSize = 0;
    UA_ReferenceTypeSet refTypes;
    UA_NodeId hasComponent = UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT);

    /* Create an object for the session. Instantiates all the mandatory children. */
    UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
    object_attr.displayName.text = session->sessionName;
    UA_NodeId parentId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SESSIONSDIAGNOSTICSSUMMARY);
    UA_NodeId refId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT);
    UA_QualifiedName browseName = UA_QUALIFIEDNAME(0, "");
    browseName.name = session->sessionName; /* shallow copy */
    UA_NodeId typeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SESSIONDIAGNOSTICSOBJECTTYPE);
    UA_StatusCode res = addNode(server, UA_NODECLASS_OBJECT,
                                &session->sessionId, &parentId, &refId, browseName, &typeId,
                                (UA_NodeAttributes*)&object_attr,
                                &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES], NULL, NULL);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Recursively browse all children */
    res = referenceTypeIndices(server, &hasComponent, &refTypes, false);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;
    res = browseRecursive(server, 1, &session->sessionId,
                          UA_BROWSEDIRECTION_FORWARD, &refTypes,
                          UA_NODECLASS_VARIABLE, false, &childrenSize, &children);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Add the callback to all variables  */
    UA_DataSource sessionDiagSource = {readSessionDiagnostics, NULL};
    for(size_t i = 0; i < childrenSize; i++) {
        setVariableNode_dataSource(server, children[i].nodeId, sessionDiagSource);
    }

 cleanup:
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "Creating the session diagnostics object failed "
                               "with StatusCode %s", UA_StatusCode_name(res));
    }
    UA_Array_delete(children, childrenSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
}

/***************************/
/* Server-Wide Diagnostics */
/***************************/

UA_StatusCode
readDiagnostics(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
                const UA_NodeId *nodeId, void *nodeContext, UA_Boolean sourceTimestamp,
                const UA_NumericRange *range, UA_DataValue *value) {
    if(range) {
        value->hasStatus = true;
        value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
        return UA_STATUSCODE_GOOD;
    }

    if(sourceTimestamp) {
        value->hasSourceTimestamp = true;
        value->sourceTimestamp = UA_DateTime_now();
    }

    UA_assert(nodeId->identifierType == UA_NODEIDTYPE_NUMERIC);

    void *data = NULL;
    const UA_DataType *type = &UA_TYPES[UA_TYPES_UINT32]; /* Default */

    switch(nodeId->identifier.numeric) {
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY:
        server->serverDiagnosticsSummary.currentSessionCount =
            server->activeSessionCount;
        data = &server->serverDiagnosticsSummary;
        type = &UA_TYPES[UA_TYPES_SERVERDIAGNOSTICSSUMMARYDATATYPE];
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SERVERVIEWCOUNT:
        data = &server->serverDiagnosticsSummary.serverViewCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CURRENTSESSIONCOUNT:
        data = &server->activeSessionCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CUMULATEDSESSIONCOUNT:
        data = &server->serverDiagnosticsSummary.cumulatedSessionCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SECURITYREJECTEDSESSIONCOUNT:
        data = &server->serverDiagnosticsSummary.securityRejectedSessionCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_REJECTEDSESSIONCOUNT:
        data = &server->serverDiagnosticsSummary.rejectedSessionCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SESSIONTIMEOUTCOUNT:
        data = &server->serverDiagnosticsSummary.sessionTimeoutCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SESSIONABORTCOUNT:
        data = &server->serverDiagnosticsSummary.sessionAbortCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CURRENTSUBSCRIPTIONCOUNT:
        data = &server->serverDiagnosticsSummary.currentSubscriptionCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_CUMULATEDSUBSCRIPTIONCOUNT:
        data = &server->serverDiagnosticsSummary.cumulatedSubscriptionCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_PUBLISHINGINTERVALCOUNT:
        data = &server->serverDiagnosticsSummary.publishingIntervalCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_SECURITYREJECTEDREQUESTSCOUNT:
        data = &server->serverDiagnosticsSummary.securityRejectedRequestsCount;
        break;
    case UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY_REJECTEDREQUESTSCOUNT:
        data = &server->serverDiagnosticsSummary.rejectedRequestsCount;
        break;
    default:
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    UA_StatusCode res = UA_Variant_setScalarCopy(&value->value, data, type);
    if(res == UA_STATUSCODE_GOOD)
        value->hasValue = true;
    return res;
}

#endif /* UA_ENABLE_DIAGNOSTICS */

/**** amalgamated original file "/src/server/ua_server_config.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2019 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */


void
UA_ServerConfig_clean(UA_ServerConfig *config) {
    if(!config)
        return;

    /* Server Description */
    UA_BuildInfo_clear(&config->buildInfo);
    UA_ApplicationDescription_clear(&config->applicationDescription);
#ifdef UA_ENABLE_DISCOVERY_MULTICAST
    UA_MdnsDiscoveryConfiguration_clear(&config->mdnsConfig);
    UA_String_clear(&config->mdnsInterfaceIP);
# if !defined(UA_HAS_GETIFADDR)
    if (config->mdnsIpAddressListSize) {
        UA_free(config->mdnsIpAddressList);
    }
# endif
#endif

    /* Custom DataTypes */
    /* nothing to do */

    /* Networking */
    for(size_t i = 0; i < config->networkLayersSize; ++i)
        config->networkLayers[i].clear(&config->networkLayers[i]);
    UA_free(config->networkLayers);
    config->networkLayers = NULL;
    config->networkLayersSize = 0;
    UA_String_clear(&config->customHostname);
    config->customHostname = UA_STRING_NULL;

    for(size_t i = 0; i < config->securityPoliciesSize; ++i) {
        UA_SecurityPolicy *policy = &config->securityPolicies[i];
        policy->clear(policy);
    }
    UA_free(config->securityPolicies);
    config->securityPolicies = NULL;
    config->securityPoliciesSize = 0;

    for(size_t i = 0; i < config->endpointsSize; ++i)
        UA_EndpointDescription_clear(&config->endpoints[i]);

    UA_free(config->endpoints);
    config->endpoints = NULL;
    config->endpointsSize = 0;

    /* Nodestore */
    if(config->nodestore.context && config->nodestore.clear) {
        config->nodestore.clear(config->nodestore.context);
        config->nodestore.context = NULL;
    }

    /* Certificate Validation */
    if(config->certificateVerification.clear)
        config->certificateVerification.clear(&config->certificateVerification);

    /* Access Control */
    if(config->accessControl.clear)
        config->accessControl.clear(&config->accessControl);

    /* Historical data */
#ifdef UA_ENABLE_HISTORIZING
    if(config->historyDatabase.clear)
        config->historyDatabase.clear(&config->historyDatabase);
#endif

    /* Logger */
    if(config->logger.clear)
        config->logger.clear(config->logger.context);
    config->logger.log = NULL;
    config->logger.clear = NULL;

#ifdef UA_ENABLE_PUBSUB
#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    if(config->pubSubConfig.securityPolicies != NULL) {
        for(size_t i = 0; i < config->pubSubConfig.securityPoliciesSize; i++) {
            config->pubSubConfig.securityPolicies[i].clear(&config->pubSubConfig.securityPolicies[i]);
        }
        UA_free(config->pubSubConfig.securityPolicies);
        config->pubSubConfig.securityPolicies = NULL;
        config->pubSubConfig.securityPoliciesSize = 0;
    }
#endif
#endif /* UA_ENABLE_PUBSUB */
}

#ifdef UA_ENABLE_PUBSUB
/* Add a pubsubTransportLayer to the configuration. Memory is reallocated on
 * demand. */
UA_StatusCode
UA_ServerConfig_addPubSubTransportLayer(UA_ServerConfig *config,
                                        UA_PubSubTransportLayer pubsubTransportLayer) {
    UA_PubSubTransportLayer *tmpLayers = (UA_PubSubTransportLayer*)
        UA_realloc(config->pubSubConfig.transportLayers,
                   sizeof(UA_PubSubTransportLayer) *
                   (config->pubSubConfig.transportLayersSize + 1));
    if(tmpLayers == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    config->pubSubConfig.transportLayers = tmpLayers;
    config->pubSubConfig.transportLayers[config->pubSubConfig.transportLayersSize] = pubsubTransportLayer;
    config->pubSubConfig.transportLayersSize++;
    return UA_STATUSCODE_GOOD;
}
#endif /* UA_ENABLE_PUBSUB */

/**** amalgamated original file "/src/server/ua_server_binary.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2022 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2016 (c) Sten Grüner
 *    Copyright 2014-2015, 2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2016 (c) Joakim L. Gilje
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2016 (c) TorbenD
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 */



#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
// store the authentication token and session ID so we can help fuzzing by setting
// these values in the next request automatically
UA_NodeId unsafe_fuzz_authenticationToken = {0, UA_NODEIDTYPE_NUMERIC, {0}};
#endif

#ifdef UA_DEBUG_DUMP_PKGS_FILE
void UA_debug_dumpCompleteChunk(UA_Server *const server, UA_Connection *const connection,
                                UA_ByteString *messageBuffer);
#endif

/********************/
/* Helper Functions */
/********************/

UA_StatusCode
sendServiceFault(UA_SecureChannel *channel, UA_UInt32 requestId,
                 UA_UInt32 requestHandle, UA_StatusCode statusCode) {
    UA_ServiceFault response;
    UA_ServiceFault_init(&response);
    UA_ResponseHeader *responseHeader = &response.responseHeader;
    responseHeader->requestHandle = requestHandle;
    responseHeader->timestamp = UA_DateTime_now();
    responseHeader->serviceResult = statusCode;

    UA_LOG_DEBUG(channel->securityPolicy->logger, UA_LOGCATEGORY_SERVER,
                 "Sending response for RequestId %u with ServiceResult %s",
                 (unsigned)requestId, UA_StatusCode_name(statusCode));

    /* Send error message. Message type is MSG and not ERR, since we are on a
     * SecureChannel! */
    return UA_SecureChannel_sendSymmetricMessage(channel, requestId,
                                                 UA_MESSAGETYPE_MSG, &response,
                                                 &UA_TYPES[UA_TYPES_SERVICEFAULT]);
}

/* This is not an ERR message, the connection is not closed afterwards */
static UA_StatusCode
decodeHeaderSendServiceFault(UA_SecureChannel *channel, const UA_ByteString *msg,
                             size_t offset, const UA_DataType *responseType,
                             UA_UInt32 requestId, UA_StatusCode error) {
    UA_RequestHeader requestHeader;
    UA_StatusCode retval =
        UA_decodeBinaryInternal(msg, &offset, &requestHeader,
                                &UA_TYPES[UA_TYPES_REQUESTHEADER], NULL);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    retval = sendServiceFault(channel,  requestId, requestHeader.requestHandle, error);
    UA_RequestHeader_clear(&requestHeader);
    return retval;
}

/* The counterOffset is the offset of the UA_ServiceCounterDataType for the
 * service in the UA_ SessionDiagnosticsDataType. */
#ifdef UA_ENABLE_DIAGNOSTICS
#define UA_SERVICECOUNTER_OFFSET(X)                             \
    *counterOffset = offsetof(UA_SessionDiagnosticsDataType, X)
#else
#define UA_SERVICECOUNTER_OFFSET(X)
#endif

static void
getServicePointers(UA_UInt32 requestTypeId, const UA_DataType **requestType,
                   const UA_DataType **responseType, UA_Service *service,
                   UA_Boolean *requiresSession, size_t *counterOffset) {
    switch(requestTypeId) {
    case UA_NS0ID_GETENDPOINTSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_GetEndpoints;
        *requestType = &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_GETENDPOINTSRESPONSE];
        *requiresSession = false;
        break;
    case UA_NS0ID_FINDSERVERSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_FindServers;
        *requestType = &UA_TYPES[UA_TYPES_FINDSERVERSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_FINDSERVERSRESPONSE];
        *requiresSession = false;
        break;
#ifdef UA_ENABLE_DISCOVERY
# ifdef UA_ENABLE_DISCOVERY_MULTICAST
    case UA_NS0ID_FINDSERVERSONNETWORKREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_FindServersOnNetwork;
        *requestType = &UA_TYPES[UA_TYPES_FINDSERVERSONNETWORKREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_FINDSERVERSONNETWORKRESPONSE];
        *requiresSession = false;
        break;
# endif
    case UA_NS0ID_REGISTERSERVERREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_RegisterServer;
        *requestType = &UA_TYPES[UA_TYPES_REGISTERSERVERREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_REGISTERSERVERRESPONSE];
        *requiresSession = false;
        break;
    case UA_NS0ID_REGISTERSERVER2REQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_RegisterServer2;
        *requestType = &UA_TYPES[UA_TYPES_REGISTERSERVER2REQUEST];
        *responseType = &UA_TYPES[UA_TYPES_REGISTERSERVER2RESPONSE];
        *requiresSession = false;
        break;
#endif
    case UA_NS0ID_CREATESESSIONREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_CreateSession;
        *requestType = &UA_TYPES[UA_TYPES_CREATESESSIONREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_CREATESESSIONRESPONSE];
        *requiresSession = false;
        break;
    case UA_NS0ID_ACTIVATESESSIONREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_ActivateSession;
        *requestType = &UA_TYPES[UA_TYPES_ACTIVATESESSIONREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_ACTIVATESESSIONRESPONSE];
        break;
    case UA_NS0ID_CLOSESESSIONREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_CloseSession;
        *requestType = &UA_TYPES[UA_TYPES_CLOSESESSIONREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_CLOSESESSIONRESPONSE];
        break;
    case UA_NS0ID_READREQUEST_ENCODING_DEFAULTBINARY:
        *service = NULL;
        *service = (UA_Service)Service_Read;
        *requestType = &UA_TYPES[UA_TYPES_READREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_READRESPONSE];
        UA_SERVICECOUNTER_OFFSET(readCount);
        break;
    case UA_NS0ID_WRITEREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_Write;
        *requestType = &UA_TYPES[UA_TYPES_WRITEREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_WRITERESPONSE];
        UA_SERVICECOUNTER_OFFSET(writeCount);
        break;
    case UA_NS0ID_BROWSEREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_Browse;
        *requestType = &UA_TYPES[UA_TYPES_BROWSEREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_BROWSERESPONSE];
        UA_SERVICECOUNTER_OFFSET(browseCount);
        break;
    case UA_NS0ID_BROWSENEXTREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_BrowseNext;
        *requestType = &UA_TYPES[UA_TYPES_BROWSENEXTREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_BROWSENEXTRESPONSE];
        UA_SERVICECOUNTER_OFFSET(browseNextCount);
        break;
    case UA_NS0ID_REGISTERNODESREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_RegisterNodes;
        *requestType = &UA_TYPES[UA_TYPES_REGISTERNODESREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_REGISTERNODESRESPONSE];
        UA_SERVICECOUNTER_OFFSET(registerNodesCount);
        break;
    case UA_NS0ID_UNREGISTERNODESREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_UnregisterNodes;
        *requestType = &UA_TYPES[UA_TYPES_UNREGISTERNODESREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_UNREGISTERNODESRESPONSE];
        UA_SERVICECOUNTER_OFFSET(unregisterNodesCount);
        break;
    case UA_NS0ID_TRANSLATEBROWSEPATHSTONODEIDSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_TranslateBrowsePathsToNodeIds;
        *requestType = &UA_TYPES[UA_TYPES_TRANSLATEBROWSEPATHSTONODEIDSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_TRANSLATEBROWSEPATHSTONODEIDSRESPONSE];
        UA_SERVICECOUNTER_OFFSET(translateBrowsePathsToNodeIdsCount);
        break;

#ifdef UA_ENABLE_SUBSCRIPTIONS
    case UA_NS0ID_CREATESUBSCRIPTIONREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_CreateSubscription;
        *requestType = &UA_TYPES[UA_TYPES_CREATESUBSCRIPTIONREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_CREATESUBSCRIPTIONRESPONSE];
        UA_SERVICECOUNTER_OFFSET(createSubscriptionCount);
        break;
    case UA_NS0ID_PUBLISHREQUEST_ENCODING_DEFAULTBINARY:
        *requestType = &UA_TYPES[UA_TYPES_PUBLISHREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_PUBLISHRESPONSE];
        UA_SERVICECOUNTER_OFFSET(publishCount);
        break;
    case UA_NS0ID_REPUBLISHREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_Republish;
        *requestType = &UA_TYPES[UA_TYPES_REPUBLISHREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_REPUBLISHRESPONSE];
        UA_SERVICECOUNTER_OFFSET(republishCount);
        break;
    case UA_NS0ID_MODIFYSUBSCRIPTIONREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_ModifySubscription;
        *requestType = &UA_TYPES[UA_TYPES_MODIFYSUBSCRIPTIONREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_MODIFYSUBSCRIPTIONRESPONSE];
        UA_SERVICECOUNTER_OFFSET(modifySubscriptionCount);
        break;
    case UA_NS0ID_SETPUBLISHINGMODEREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_SetPublishingMode;
        *requestType = &UA_TYPES[UA_TYPES_SETPUBLISHINGMODEREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_SETPUBLISHINGMODERESPONSE];
        UA_SERVICECOUNTER_OFFSET(setPublishingModeCount);
        break;
    case UA_NS0ID_DELETESUBSCRIPTIONSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_DeleteSubscriptions;
        *requestType = &UA_TYPES[UA_TYPES_DELETESUBSCRIPTIONSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_DELETESUBSCRIPTIONSRESPONSE];
        UA_SERVICECOUNTER_OFFSET(deleteSubscriptionsCount);
        break;
    case UA_NS0ID_TRANSFERSUBSCRIPTIONSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_TransferSubscriptions;
        *requestType = &UA_TYPES[UA_TYPES_TRANSFERSUBSCRIPTIONSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_TRANSFERSUBSCRIPTIONSRESPONSE];
        UA_SERVICECOUNTER_OFFSET(transferSubscriptionsCount);
        break;
    case UA_NS0ID_CREATEMONITOREDITEMSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_CreateMonitoredItems;
        *requestType = &UA_TYPES[UA_TYPES_CREATEMONITOREDITEMSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_CREATEMONITOREDITEMSRESPONSE];
        UA_SERVICECOUNTER_OFFSET(createMonitoredItemsCount);
        break;
    case UA_NS0ID_DELETEMONITOREDITEMSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_DeleteMonitoredItems;
        *requestType = &UA_TYPES[UA_TYPES_DELETEMONITOREDITEMSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_DELETEMONITOREDITEMSRESPONSE];
        UA_SERVICECOUNTER_OFFSET(deleteMonitoredItemsCount);
        break;
    case UA_NS0ID_MODIFYMONITOREDITEMSREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_ModifyMonitoredItems;
        *requestType = &UA_TYPES[UA_TYPES_MODIFYMONITOREDITEMSREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_MODIFYMONITOREDITEMSRESPONSE];
        UA_SERVICECOUNTER_OFFSET(modifyMonitoredItemsCount);
        break;
    case UA_NS0ID_SETMONITORINGMODEREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_SetMonitoringMode;
        *requestType = &UA_TYPES[UA_TYPES_SETMONITORINGMODEREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_SETMONITORINGMODERESPONSE];
        UA_SERVICECOUNTER_OFFSET(setMonitoringModeCount);
        break;
    case UA_NS0ID_SETTRIGGERINGREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_SetTriggering;
        *requestType = &UA_TYPES[UA_TYPES_SETTRIGGERINGREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_SETTRIGGERINGRESPONSE];
        UA_SERVICECOUNTER_OFFSET(setTriggeringCount);
        break;
#endif
#ifdef UA_ENABLE_HISTORIZING
        /* For History read */
    case UA_NS0ID_HISTORYREADREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_HistoryRead;
        *requestType = &UA_TYPES[UA_TYPES_HISTORYREADREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_HISTORYREADRESPONSE];
        UA_SERVICECOUNTER_OFFSET(historyReadCount);
        break;
        /* For History update */
    case UA_NS0ID_HISTORYUPDATEREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_HistoryUpdate;
        *requestType = &UA_TYPES[UA_TYPES_HISTORYUPDATEREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_HISTORYUPDATERESPONSE];
        UA_SERVICECOUNTER_OFFSET(historyUpdateCount);
        break;
#endif

#ifdef UA_ENABLE_METHODCALLS
    case UA_NS0ID_CALLREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_Call;
        *requestType = &UA_TYPES[UA_TYPES_CALLREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_CALLRESPONSE];
        UA_SERVICECOUNTER_OFFSET(callCount);
        break;
#endif

#ifdef UA_ENABLE_NODEMANAGEMENT
    case UA_NS0ID_ADDNODESREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_AddNodes;
        *requestType = &UA_TYPES[UA_TYPES_ADDNODESREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_ADDNODESRESPONSE];
        UA_SERVICECOUNTER_OFFSET(addNodesCount);
        break;
    case UA_NS0ID_ADDREFERENCESREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_AddReferences;
        *requestType = &UA_TYPES[UA_TYPES_ADDREFERENCESREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_ADDREFERENCESRESPONSE];
        UA_SERVICECOUNTER_OFFSET(addReferencesCount);
        break;
    case UA_NS0ID_DELETENODESREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_DeleteNodes;
        *requestType = &UA_TYPES[UA_TYPES_DELETENODESREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_DELETENODESRESPONSE];
        UA_SERVICECOUNTER_OFFSET(deleteNodesCount);
        break;
    case UA_NS0ID_DELETEREFERENCESREQUEST_ENCODING_DEFAULTBINARY:
        *service = (UA_Service)Service_DeleteReferences;
        *requestType = &UA_TYPES[UA_TYPES_DELETEREFERENCESREQUEST];
        *responseType = &UA_TYPES[UA_TYPES_DELETEREFERENCESRESPONSE];
        UA_SERVICECOUNTER_OFFSET(deleteReferencesCount);
        break;
#endif

    default:
        break;
    }
}

/*************************/
/* Process Message Types */
/*************************/

/* HEL -> Open up the connection */
static UA_StatusCode
processHEL(UA_Server *server, UA_SecureChannel *channel, const UA_ByteString *msg) {
    if(channel->state != UA_SECURECHANNELSTATE_FRESH)
        return UA_STATUSCODE_BADINTERNALERROR;
    size_t offset = 0; /* Go to the beginning of the TcpHelloMessage */
    UA_TcpHelloMessage helloMessage;
    UA_StatusCode retval =
        UA_decodeBinaryInternal(msg, &offset, &helloMessage,
                                &UA_TRANSPORT[UA_TRANSPORT_TCPHELLOMESSAGE], NULL);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Currently not checked */
    UA_String_clear(&helloMessage.endpointUrl);

    /* Parameterize the connection. The TcpHelloMessage casts to a
     * TcpAcknowledgeMessage. */
    retval = UA_SecureChannel_processHELACK(channel,
                                            (UA_TcpAcknowledgeMessage*)&helloMessage);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_NETWORK,
                    "Connection %i | Error during the HEL/ACK handshake",
                    (int)(channel->connection->sockfd));
        return retval;
    }

    /* Get the send buffer from the network layer */
    UA_Connection *connection = channel->connection;
    UA_ByteString ack_msg;
    UA_ByteString_init(&ack_msg);
    retval = connection->getSendBuffer(connection, channel->config.sendBufferSize, &ack_msg);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Build acknowledge response */
    UA_TcpAcknowledgeMessage ackMessage;
    ackMessage.protocolVersion = 0;
    ackMessage.receiveBufferSize = channel->config.recvBufferSize;
    ackMessage.sendBufferSize = channel->config.sendBufferSize;
    ackMessage.maxMessageSize = channel->config.localMaxMessageSize;
    ackMessage.maxChunkCount = channel->config.localMaxChunkCount;

    UA_TcpMessageHeader ackHeader;
    ackHeader.messageTypeAndChunkType = UA_MESSAGETYPE_ACK + UA_CHUNKTYPE_FINAL;
    ackHeader.messageSize = 8 + 20; /* ackHeader + ackMessage */

    /* Encode and send the response */
    UA_Byte *bufPos = ack_msg.data;
    const UA_Byte *bufEnd = &ack_msg.data[ack_msg.length];
    retval |= UA_encodeBinaryInternal(&ackHeader,
                                      &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER],
                                      &bufPos, &bufEnd, NULL, NULL);
    retval |= UA_encodeBinaryInternal(&ackMessage,
                                      &UA_TRANSPORT[UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE],
                                      &bufPos, &bufEnd, NULL, NULL);
    if(retval != UA_STATUSCODE_GOOD) {
        connection->releaseSendBuffer(connection, &ack_msg);
        return retval;
    }

    ack_msg.length = ackHeader.messageSize;
    retval = connection->send(connection, &ack_msg);
    if(retval == UA_STATUSCODE_GOOD)
        channel->state = UA_SECURECHANNELSTATE_ACK_SENT;
    return retval;
}

/* OPN -> Open up/renew the securechannel */
static UA_StatusCode
processOPN(UA_Server *server, UA_SecureChannel *channel,
           const UA_UInt32 requestId, const UA_ByteString *msg) {
    if(channel->state != UA_SECURECHANNELSTATE_ACK_SENT &&
       channel->state != UA_SECURECHANNELSTATE_OPEN)
        return UA_STATUSCODE_BADINTERNALERROR;
    /* Decode the request */
    UA_NodeId requestType;
    UA_OpenSecureChannelRequest openSecureChannelRequest;
    size_t offset = 0;
    UA_StatusCode retval = UA_NodeId_decodeBinary(msg, &offset, &requestType);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_NodeId_clear(&requestType);
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "Could not decode the NodeId. Closing the connection");
        UA_Server_closeSecureChannel(server, channel, UA_DIAGNOSTICEVENT_REJECT);
        return retval;
    }
    retval = UA_decodeBinaryInternal(msg, &offset, &openSecureChannelRequest,
                                     &UA_TYPES[UA_TYPES_OPENSECURECHANNELREQUEST], NULL);

    /* Error occurred */
    if(retval != UA_STATUSCODE_GOOD ||
       !UA_NodeId_equal(&requestType, &UA_TYPES[UA_TYPES_OPENSECURECHANNELREQUEST].binaryEncodingId)) {
        UA_NodeId_clear(&requestType);
        UA_OpenSecureChannelRequest_clear(&openSecureChannelRequest);
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "Could not decode the OPN message. Closing the connection.");
        UA_Server_closeSecureChannel(server, channel, UA_DIAGNOSTICEVENT_REJECT);
        return retval;
    }
    UA_NodeId_clear(&requestType);

    /* Call the service */
    UA_OpenSecureChannelResponse openScResponse;
    UA_OpenSecureChannelResponse_init(&openScResponse);
    Service_OpenSecureChannel(server, channel, &openSecureChannelRequest, &openScResponse);
    UA_OpenSecureChannelRequest_clear(&openSecureChannelRequest);
    if(openScResponse.responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel, "Could not open a SecureChannel. "
                               "Closing the connection.");
        UA_Server_closeSecureChannel(server, channel, UA_DIAGNOSTICEVENT_REJECT);
        return openScResponse.responseHeader.serviceResult;
    }

    /* Send the response */
    retval = UA_SecureChannel_sendAsymmetricOPNMessage(channel, requestId, &openScResponse,
                                                       &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]);
    UA_OpenSecureChannelResponse_clear(&openScResponse);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "Could not send the OPN answer with error code %s",
                               UA_StatusCode_name(retval));
        UA_Server_closeSecureChannel(server, channel, UA_DIAGNOSTICEVENT_REJECT);
    }

    return retval;
}

/* The responseHeader must have the requestHandle already set */
UA_StatusCode
sendResponse(UA_Server *server, UA_Session *session, UA_SecureChannel *channel,
             UA_UInt32 requestId, UA_Response *response, const UA_DataType *responseType) {
    if(!channel)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* If the overall service call failed, answer with a ServiceFault */
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD)
        return sendServiceFault(channel, requestId, response->responseHeader.requestHandle,
                                response->responseHeader.serviceResult);

    /* Prepare the ResponseHeader */
    response->responseHeader.timestamp = UA_DateTime_now();

    if(session) {
#ifdef UA_ENABLE_TYPEDESCRIPTION
        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                             "Sending response for RequestId %u of type %s",
                             (unsigned)requestId, responseType->typeName);
#else
        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                             "Sending reponse for RequestId %u of type %" PRIu32,
                             (unsigned)requestId, responseType->binaryEncodingId.identifier.numeric);
#endif
    } else {
#ifdef UA_ENABLE_TYPEDESCRIPTION
        UA_LOG_DEBUG_CHANNEL(&server->config.logger, channel,
                             "Sending response for RequestId %u of type %s",
                             (unsigned)requestId, responseType->typeName);
#else
        UA_LOG_DEBUG_CHANNEL(&server->config.logger, channel,
                             "Sending reponse for RequestId %u of type %" PRIu32,
                             (unsigned)requestId, responseType->binaryEncodingId.identifier.numeric);
#endif
    }

    /* Start the message context */
    UA_MessageContext mc;
    UA_StatusCode retval = UA_MessageContext_begin(&mc, channel, requestId, UA_MESSAGETYPE_MSG);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Assert's required for clang-analyzer */
    UA_assert(mc.buf_pos == &mc.messageBuffer.data[UA_SECURECHANNEL_SYMMETRIC_HEADER_TOTALLENGTH]);
    UA_assert(mc.buf_end <= &mc.messageBuffer.data[mc.messageBuffer.length]);

    /* Encode the response type */
    retval = UA_MessageContext_encode(&mc, &responseType->binaryEncodingId,
                                      &UA_TYPES[UA_TYPES_NODEID]);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Encode the response */
    retval = UA_MessageContext_encode(&mc, response, responseType);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Finish / send out */
    return UA_MessageContext_finish(&mc);
}

/* A Session is "bound" to a SecureChannel if it was created by the
 * SecureChannel or if it was activated on it. A Session can only be bound to
 * one SecureChannel. A Session can only be closed from the SecureChannel to
 * which it is bound.
 *
 * Returns Good if the AuthenticationToken exists nowhere (for CTT). */
UA_StatusCode
getBoundSession(UA_Server *server, const UA_SecureChannel *channel,
                const UA_NodeId *token, UA_Session **session) {
    UA_DateTime now = UA_DateTime_nowMonotonic();
    UA_SessionHeader *sh;
    SLIST_FOREACH(sh, &channel->sessions, next) {
        if(!UA_NodeId_equal(token, &sh->authenticationToken))
            continue;
        UA_Session *current = (UA_Session*)sh;
        /* Has the session timed out? */
        if(current->validTill < now) {
            server->serverDiagnosticsSummary.rejectedSessionCount++;
            return UA_STATUSCODE_BADSESSIONCLOSED;
        }
        *session = current;
        return UA_STATUSCODE_GOOD;
    }

    server->serverDiagnosticsSummary.rejectedSessionCount++;

    /* Session exists on another SecureChannel. The CTT expect this error. */
    UA_Session *tmpSession = getSessionByToken(server, token);
    if(tmpSession) {
#ifdef UA_ENABLE_DIAGNOSTICS
        tmpSession->diagnostics.unauthorizedRequestCount++;
#endif
        return UA_STATUSCODE_BADSECURECHANNELIDINVALID;
    }

    return UA_STATUSCODE_GOOD;
}

static const UA_String securityPolicyNone =
    UA_STRING_STATIC("http://opcfoundation.org/UA/SecurityPolicy#None");

/* Returns a status of the SecureChannel. The detailed service status (usually
 * part of the response) is set in the serviceResult argument. */
static UA_StatusCode
processMSGDecoded(UA_Server *server, UA_SecureChannel *channel, UA_UInt32 requestId,
                  UA_Service service, const UA_Request *request,
                  const UA_DataType *requestType, UA_Response *response,
                  const UA_DataType *responseType, UA_Boolean sessionRequired,
                  size_t counterOffset) {
    UA_Session *session = NULL;
    UA_StatusCode channelRes = UA_STATUSCODE_GOOD;
    UA_StatusCode serviceRes = UA_STATUSCODE_GOOD;
    const UA_RequestHeader *requestHeader = &request->requestHeader;

    /* If it is an unencrypted (#None) channel, only allow the discovery services */
    if(server->config.securityPolicyNoneDiscoveryOnly &&
       UA_String_equal(&channel->securityPolicy->policyUri, &securityPolicyNone ) &&
       requestType != &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST] &&
       requestType != &UA_TYPES[UA_TYPES_FINDSERVERSREQUEST]
#if defined(UA_ENABLE_DISCOVERY) && defined(UA_ENABLE_DISCOVERY_MULTICAST)
       && requestType != &UA_TYPES[UA_TYPES_FINDSERVERSONNETWORKREQUEST]
#endif
       ) {
        serviceRes = UA_STATUSCODE_BADSECURITYPOLICYREJECTED;
        channelRes = sendServiceFault(channel, requestId, requestHeader->requestHandle,
                                      UA_STATUSCODE_BADSECURITYPOLICYREJECTED);
        goto update_statistics;
    }

    /* Session lifecycle services. */
    if(requestType == &UA_TYPES[UA_TYPES_CREATESESSIONREQUEST] ||
       requestType == &UA_TYPES[UA_TYPES_ACTIVATESESSIONREQUEST] ||
       requestType == &UA_TYPES[UA_TYPES_CLOSESESSIONREQUEST]) {
        UA_LOCK(&server->serviceMutex);
        ((UA_ChannelService)service)(server, channel, request, response);
        UA_UNLOCK(&server->serviceMutex);
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
        /* Store the authentication token so we can help fuzzing by setting
         * these values in the next request automatically */
        if(requestType == &UA_TYPES[UA_TYPES_CREATESESSIONREQUEST]) {
            UA_CreateSessionResponse *res = &response->createSessionResponse;
            UA_NodeId_copy(&res->authenticationToken, &unsafe_fuzz_authenticationToken);
        }
#endif
        serviceRes = response->responseHeader.serviceResult;
        channelRes = sendResponse(server, NULL, channel, requestId, response, responseType);
        goto update_statistics;
    }

    /* Get the Session bound to the SecureChannel (not necessarily activated) */
    if(!UA_NodeId_isNull(&requestHeader->authenticationToken)) {
        UA_LOCK(&server->serviceMutex);
        UA_StatusCode retval =
            getBoundSession(server, channel,
                            &requestHeader->authenticationToken, &session);
        UA_UNLOCK(&server->serviceMutex);
        if(retval != UA_STATUSCODE_GOOD) {
            serviceRes = response->responseHeader.serviceResult;
            channelRes = sendServiceFault(channel, requestId,
                                          requestHeader->requestHandle, retval);
            goto update_statistics;
        }
    }

    /* Set an anonymous, inactive session for services that need no session */
    UA_Session anonymousSession;
    if(!session) {
        if(sessionRequired) {
#ifdef UA_ENABLE_TYPEDESCRIPTION
            UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                                   "%s refused without a valid session",
                                   requestType->typeName);
#else
            UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                                   "Service %" PRIu32 " refused without a valid session",
                                   requestType->binaryEncodingId.identifier.numeric);
#endif
            serviceRes = UA_STATUSCODE_BADSESSIONIDINVALID;
            channelRes = sendServiceFault(channel, requestId, requestHeader->requestHandle,
                                          UA_STATUSCODE_BADSESSIONIDINVALID);
            goto update_statistics;
        }

        UA_Session_init(&anonymousSession);
        anonymousSession.sessionId = UA_NODEID_GUID(0, UA_GUID_NULL);
        anonymousSession.header.channel = channel;
        session = &anonymousSession;
    }

    UA_assert(session != NULL);

    /* Trying to use a non-activated session? */
    if(sessionRequired && !session->activated) {
#ifdef UA_ENABLE_TYPEDESCRIPTION
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "%s refused on a non-activated session",
                               requestType->typeName);
#else
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "Service %" PRIu32 " refused on a non-activated session",
                               requestType->binaryEncodingId.identifier.numeric);
#endif
        if(session != &anonymousSession) {
            UA_LOCK(&server->serviceMutex);
            UA_Server_removeSessionByToken(server, &session->header.authenticationToken,
                                           UA_DIAGNOSTICEVENT_ABORT);
            UA_UNLOCK(&server->serviceMutex);
        }
        serviceRes = UA_STATUSCODE_BADSESSIONNOTACTIVATED;
        channelRes = sendServiceFault(channel, requestId, requestHeader->requestHandle,
                                      UA_STATUSCODE_BADSESSIONNOTACTIVATED);
        goto update_statistics;
    }

    /* Update the session lifetime */
    UA_Session_updateLifetime(session);

#ifdef UA_ENABLE_SUBSCRIPTIONS
    /* The publish request is not answered immediately */
    if(requestType == &UA_TYPES[UA_TYPES_PUBLISHREQUEST]) {
        UA_LOCK(&server->serviceMutex);
        serviceRes = Service_Publish(server, session, &request->publishRequest, requestId);
        /* No channelRes due to the async response */
        UA_UNLOCK(&server->serviceMutex);
        goto update_statistics;
    }
#endif

#if UA_MULTITHREADING >= 100
    /* The call request might not be answered immediately */
    if(requestType == &UA_TYPES[UA_TYPES_CALLREQUEST]) {
        UA_Boolean finished = true;
        UA_LOCK(&server->serviceMutex);
        Service_CallAsync(server, session, requestId, &request->callRequest,
                          &response->callResponse, &finished);
        UA_UNLOCK(&server->serviceMutex);

        /* Async method calls remain. Don't send a response now. In case we have
         * an async call, count as a "good" request for the diagnostics
         * statistic. */
        if(UA_LIKELY(finished)) {
            serviceRes = response->responseHeader.serviceResult;
            channelRes = sendResponse(server, session, channel,
                                      requestId, response, responseType);
        }
        goto update_statistics;
    }
#endif

    /* Execute the synchronous service call */
    UA_LOCK(&server->serviceMutex);
    service(server, session, request, response);
    UA_UNLOCK(&server->serviceMutex);

    /* Send the response */
    serviceRes = response->responseHeader.serviceResult;
    channelRes = sendResponse(server, session, channel, requestId, response, responseType);

    /* Update the diagnostics statistics */
 update_statistics:
#ifdef UA_ENABLE_DIAGNOSTICS
    if(session && session != &server->adminSession) {
        session->diagnostics.totalRequestCount.totalCount++;
        if(serviceRes != UA_STATUSCODE_GOOD)
            session->diagnostics.totalRequestCount.errorCount++;
        if(counterOffset != 0) {
            UA_ServiceCounterDataType *serviceCounter = (UA_ServiceCounterDataType*)
                (((uintptr_t)&session->diagnostics) + counterOffset);
            serviceCounter->totalCount++;
            if(serviceRes != UA_STATUSCODE_GOOD)
                serviceCounter->errorCount++;
        }
    }
#else
    (void)serviceRes; /* Pacify compiler warnings */
#endif

    return channelRes;
}

static UA_StatusCode
processMSG(UA_Server *server, UA_SecureChannel *channel,
           UA_UInt32 requestId, const UA_ByteString *msg) {
    if(channel->state != UA_SECURECHANNELSTATE_OPEN)
        return UA_STATUSCODE_BADINTERNALERROR;
    /* Decode the nodeid */
    size_t offset = 0;
    UA_NodeId requestTypeId;
    UA_StatusCode retval = UA_NodeId_decodeBinary(msg, &offset, &requestTypeId);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    if(requestTypeId.namespaceIndex != 0 ||
       requestTypeId.identifierType != UA_NODEIDTYPE_NUMERIC)
        UA_NodeId_clear(&requestTypeId); /* leads to badserviceunsupported */

    size_t requestPos = offset; /* Store the offset (for sendServiceFault) */

    /* Get the service pointers */
    UA_Service service = NULL;
    UA_Boolean sessionRequired = true;
    const UA_DataType *requestType = NULL;
    const UA_DataType *responseType = NULL;
    size_t counterOffset = 0;
    getServicePointers(requestTypeId.identifier.numeric, &requestType,
                       &responseType, &service, &sessionRequired, &counterOffset);
    if(!requestType) {
        if(requestTypeId.identifier.numeric ==
           UA_NS0ID_CREATESUBSCRIPTIONREQUEST_ENCODING_DEFAULTBINARY) {
            UA_LOG_INFO_CHANNEL(&server->config.logger, channel,
                                "Client requested a subscription, "
                                "but those are not enabled in the build");
        } else {
            UA_LOG_INFO_CHANNEL(&server->config.logger, channel,
                                "Unknown request with type identifier %" PRIi32,
                                requestTypeId.identifier.numeric);
        }
        return decodeHeaderSendServiceFault(channel, msg, requestPos,
                                            &UA_TYPES[UA_TYPES_SERVICEFAULT],
                                            requestId, UA_STATUSCODE_BADSERVICEUNSUPPORTED);
    }
    UA_assert(responseType);

    /* Decode the request */
    UA_Request request;
    retval = UA_decodeBinaryInternal(msg, &offset, &request,
                                     requestType, server->config.customDataTypes);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_DEBUG_CHANNEL(&server->config.logger, channel,
                             "Could not decode the request with StatusCode %s",
                             UA_StatusCode_name(retval));
        return decodeHeaderSendServiceFault(channel, msg, requestPos,
                                            responseType, requestId, retval);
    }

    /* Check timestamp in the request header */
    UA_RequestHeader *requestHeader = &request.requestHeader;
    if(requestHeader->timestamp == 0) {
        if(server->config.verifyRequestTimestamp <= UA_RULEHANDLING_WARN) {
            UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                                   "The server sends no timestamp in the request header. "
                                   "See the 'verifyRequestTimestamp' setting.");
            if(server->config.verifyRequestTimestamp <= UA_RULEHANDLING_ABORT) {
                retval = sendServiceFault(channel, requestId, requestHeader->requestHandle,
                                          UA_STATUSCODE_BADINVALIDTIMESTAMP);
                UA_clear(&request, requestType);
                return retval;
            }
        }
    }

#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
    /* Set the authenticationToken from the create session request to help
     * fuzzing cover more lines */
    if(!UA_NodeId_isNull(&unsafe_fuzz_authenticationToken) &&
       !UA_NodeId_isNull(&requestHeader->authenticationToken)) {
        UA_NodeId_clear(&requestHeader->authenticationToken);
        UA_NodeId_copy(&unsafe_fuzz_authenticationToken, &requestHeader->authenticationToken);
    }
#endif

    /* Prepare the respone and process the request */
    UA_Response response;
    UA_init(&response, responseType);
    response.responseHeader.requestHandle = requestHeader->requestHandle;
    retval = processMSGDecoded(server, channel, requestId, service, &request, requestType,
                               &response, responseType, sessionRequired, counterOffset);

    /* Clean up */
    UA_clear(&request, requestType);
    UA_clear(&response, responseType);
    return retval;
}

/* Takes decoded messages starting at the nodeid of the content type. */
static UA_StatusCode
processSecureChannelMessage(void *application, UA_SecureChannel *channel,
                            UA_MessageType messagetype, UA_UInt32 requestId,
                            UA_ByteString *message) {
    UA_Server *server = (UA_Server*)application;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    switch(messagetype) {
    case UA_MESSAGETYPE_HEL:
        UA_LOG_TRACE_CHANNEL(&server->config.logger, channel, "Process a HEL message");
        retval = processHEL(server, channel, message);
        break;
    case UA_MESSAGETYPE_OPN:
        UA_LOG_TRACE_CHANNEL(&server->config.logger, channel, "Process an OPN message");
        retval = processOPN(server, channel, requestId, message);
        break;
    case UA_MESSAGETYPE_MSG:
        UA_LOG_TRACE_CHANNEL(&server->config.logger, channel, "Process a MSG");
        retval = processMSG(server, channel, requestId, message);
        break;
    case UA_MESSAGETYPE_CLO:
        UA_LOG_TRACE_CHANNEL(&server->config.logger, channel, "Process a CLO");
        Service_CloseSecureChannel(server, channel); /* Regular close */
        break;
    default:
        UA_LOG_TRACE_CHANNEL(&server->config.logger, channel, "Invalid message type");
        retval = UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;
        break;
    }
    if(retval != UA_STATUSCODE_GOOD) {
        if(!channel->connection) {
            UA_LOG_INFO_CHANNEL(&server->config.logger, channel,
                                "Processing the message failed. Channel already closed "
                                "with StatusCode %s. ", UA_StatusCode_name(retval));
            return retval;
        }

        UA_LOG_INFO_CHANNEL(&server->config.logger, channel,
                            "Processing the message failed with StatusCode %s. "
                            "Closing the channel.", UA_StatusCode_name(retval));
        UA_TcpErrorMessage errMsg;
        UA_TcpErrorMessage_init(&errMsg);
        errMsg.error = retval;
        UA_Connection_sendError(channel->connection, &errMsg);
        switch(retval) {
        case UA_STATUSCODE_BADSECURITYMODEREJECTED:
        case UA_STATUSCODE_BADSECURITYCHECKSFAILED:
        case UA_STATUSCODE_BADSECURECHANNELIDINVALID:
        case UA_STATUSCODE_BADSECURECHANNELTOKENUNKNOWN:
        case UA_STATUSCODE_BADSECURITYPOLICYREJECTED:
        case UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED:
            UA_Server_closeSecureChannel(server, channel, UA_DIAGNOSTICEVENT_SECURITYREJECT);
            break;
        default:
            UA_Server_closeSecureChannel(server, channel, UA_DIAGNOSTICEVENT_CLOSE);
            break;
        }
    }

    return retval;
}

void
UA_Server_processBinaryMessage(UA_Server *server, UA_Connection *connection,
                               UA_ByteString *message) {
    UA_LOG_TRACE(&server->config.logger, UA_LOGCATEGORY_NETWORK,
                 "Connection %i | Received a packet.", (int)(connection->sockfd));

    UA_TcpErrorMessage error;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_SecureChannel *channel = connection->channel;

    /* Add a SecureChannel to a new connection */
    if(!channel) {
        retval = UA_Server_createSecureChannel(server, connection);
        if(retval != UA_STATUSCODE_GOOD)
            goto error;
        channel = connection->channel;
        UA_assert(channel);
    }

#ifdef UA_DEBUG_DUMP_PKGS
    UA_dump_hex_pkg(message->data, message->length);
#endif
#ifdef UA_DEBUG_DUMP_PKGS_FILE
    UA_debug_dumpCompleteChunk(server, channel->connection, message);
#endif

    retval = UA_SecureChannel_processBuffer(channel, server, processSecureChannelMessage, message);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_NETWORK,
                    "Connection %i | Processing the message failed with error %s",
                    (int)(connection->sockfd), UA_StatusCode_name(retval));
        goto error;
    }

    return;

 error:
    /* Send an ERR message and close the connection */
    error.error = retval;
    error.reason = UA_STRING_NULL;
    UA_Connection_sendError(connection, &error);
    connection->close(connection);
}

void
UA_Server_removeConnection(UA_Server *server, UA_Connection *connection) {
    UA_Connection_detachSecureChannel(connection);
    connection->free(connection);
}

/**** amalgamated original file "/src/server/ua_server_utils.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2016-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2016 (c) Lorenz Haas
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017 (c) Florian Palm
 *    Copyright 2017-2018 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Julian Grothoff
 */


const UA_DataType *
UA_Server_findDataType(UA_Server *server, const UA_NodeId *typeId) {
    return UA_findDataTypeWithCustom(typeId, server->config.customDataTypes);
}

/********************************/
/* Information Model Operations */
/********************************/

const UA_Node *
getNodeType(UA_Server *server, const UA_NodeHead *head) {
    /* The reference to the parent is different for variable and variabletype */
    UA_Byte parentRefIndex;
    UA_Boolean inverse;
    UA_NodeClass typeNodeClass;
    switch(head->nodeClass) {
    case UA_NODECLASS_OBJECT:
        parentRefIndex = UA_REFERENCETYPEINDEX_HASTYPEDEFINITION;
        inverse = false;
        typeNodeClass = UA_NODECLASS_OBJECTTYPE;
        break;
    case UA_NODECLASS_VARIABLE:
        parentRefIndex = UA_REFERENCETYPEINDEX_HASTYPEDEFINITION;
        inverse = false;
        typeNodeClass = UA_NODECLASS_VARIABLETYPE;
        break;
    case UA_NODECLASS_OBJECTTYPE:
    case UA_NODECLASS_VARIABLETYPE:
    case UA_NODECLASS_REFERENCETYPE:
    case UA_NODECLASS_DATATYPE:
        parentRefIndex = UA_REFERENCETYPEINDEX_HASSUBTYPE;
        inverse = true;
        typeNodeClass = head->nodeClass;
        break;
    default:
        return NULL;
    }

    /* Return the first matching candidate */
    for(size_t i = 0; i < head->referencesSize; ++i) {
        UA_NodeReferenceKind *rk = &head->references[i];
        if(rk->isInverse != inverse)
            continue;
        if(rk->referenceTypeIndex != parentRefIndex)
            continue;

        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(rk, t))) {
            const UA_Node *type = UA_NODESTORE_GETFROMREF(server, t->targetId);
            if(!type)
                continue;
            if(type->head.nodeClass == typeNodeClass)
                return type; /* Don't release the node that is returned */
            UA_NODESTORE_RELEASE(server, type);
        }
    }

    return NULL;
}

UA_Boolean
UA_Node_hasSubTypeOrInstances(const UA_NodeHead *head) {
    for(size_t i = 0; i < head->referencesSize; ++i) {
        if(head->references[i].isInverse == false &&
           head->references[i].referenceTypeIndex == UA_REFERENCETYPEINDEX_HASSUBTYPE)
            return true;
        if(head->references[i].isInverse == true &&
           head->references[i].referenceTypeIndex == UA_REFERENCETYPEINDEX_HASTYPEDEFINITION)
            return true;
    }
    return false;
}

UA_StatusCode
getParentTypeAndInterfaceHierarchy(UA_Server *server, const UA_NodeId *typeNode,
                                   UA_NodeId **typeHierarchy, size_t *typeHierarchySize) {
    UA_ReferenceTypeSet reftypes_subtype =
        UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASSUBTYPE);
    UA_ExpandedNodeId *subTypes = NULL;
    size_t subTypesSize = 0;
    UA_StatusCode retval = browseRecursive(server, 1, typeNode,
                                           UA_BROWSEDIRECTION_INVERSE,
                                           &reftypes_subtype, UA_NODECLASS_UNSPECIFIED,
                                           false, &subTypesSize, &subTypes);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    UA_assert(subTypesSize < 1000);

    UA_ReferenceTypeSet reftypes_interface =
        UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASINTERFACE);
    UA_ExpandedNodeId *interfaces = NULL;
    size_t interfacesSize = 0;
    retval = browseRecursive(server, 1, typeNode, UA_BROWSEDIRECTION_FORWARD,
                             &reftypes_interface, UA_NODECLASS_UNSPECIFIED,
                             false, &interfacesSize, &interfaces);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_Array_delete(subTypes, subTypesSize, &UA_TYPES[UA_TYPES_NODEID]);
        return retval;
    }

    UA_assert(interfacesSize < 1000);

    UA_NodeId *hierarchy = (UA_NodeId*)
        UA_malloc(sizeof(UA_NodeId) * (1 + subTypesSize + interfacesSize));
    if(!hierarchy) {
        UA_Array_delete(subTypes, subTypesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
        UA_Array_delete(interfaces, interfacesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    retval = UA_NodeId_copy(typeNode, hierarchy);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(hierarchy);
        UA_Array_delete(subTypes, subTypesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
        UA_Array_delete(interfaces, interfacesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    for(size_t i = 0; i < subTypesSize; i++) {
        hierarchy[i+1] = subTypes[i].nodeId;
        UA_NodeId_init(&subTypes[i].nodeId);
    }
    for(size_t i = 0; i < interfacesSize; i++) {
        hierarchy[i+1+subTypesSize] = interfaces[i].nodeId;
        UA_NodeId_init(&interfaces[i].nodeId);
    }

    *typeHierarchy = hierarchy;
    *typeHierarchySize = subTypesSize + interfacesSize + 1;

    UA_assert(*typeHierarchySize < 1000);

    UA_Array_delete(subTypes, subTypesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
    UA_Array_delete(interfaces, interfacesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
getAllInterfaceChildNodeIds(UA_Server *server, const UA_NodeId *objectNode,
                            const UA_NodeId *objectTypeNode,
                            UA_NodeId **interfaceChildNodes,
                            size_t *interfaceChildNodesSize) {
    if(interfaceChildNodesSize == NULL || interfaceChildNodes == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    *interfaceChildNodesSize = 0;
    *interfaceChildNodes = NULL;

    UA_ExpandedNodeId *hasInterfaceCandidates = NULL;
    size_t hasInterfaceCandidatesSize = 0;
    UA_ReferenceTypeSet reftypes_subtype =
        UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASSUBTYPE);

    UA_StatusCode retval =
        browseRecursive(server, 1, objectTypeNode, UA_BROWSEDIRECTION_INVERSE,
                        &reftypes_subtype, UA_NODECLASS_OBJECTTYPE,
                        true, &hasInterfaceCandidatesSize,
                        &hasInterfaceCandidates);

    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* The interface could also have been added manually before calling UA_Server_addNode_finish
     * This can be handled by adding the object node as a start node for the HasInterface lookup */
    UA_ExpandedNodeId *resizedHasInterfaceCandidates = (UA_ExpandedNodeId*)
        UA_realloc(hasInterfaceCandidates,
                   (hasInterfaceCandidatesSize + 1) * sizeof(UA_ExpandedNodeId));

    if(!resizedHasInterfaceCandidates) {
        if(hasInterfaceCandidates)
            UA_Array_delete(hasInterfaceCandidates, hasInterfaceCandidatesSize,
                            &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    hasInterfaceCandidates = resizedHasInterfaceCandidates;
    hasInterfaceCandidatesSize += 1;
    UA_ExpandedNodeId_init(&hasInterfaceCandidates[hasInterfaceCandidatesSize - 1]);

    UA_ExpandedNodeId_init(&hasInterfaceCandidates[hasInterfaceCandidatesSize - 1]);
    UA_NodeId_copy(objectNode, &hasInterfaceCandidates[hasInterfaceCandidatesSize - 1].nodeId);

    size_t outputIndex = 0;

    for(size_t i = 0; i < hasInterfaceCandidatesSize; ++i) {
        UA_ReferenceTypeSet reftypes_interface =
            UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASINTERFACE);
        UA_ExpandedNodeId *interfaceChildren = NULL;
        size_t interfacesChildrenSize = 0;
        retval = browseRecursive(server, 1, &hasInterfaceCandidates[i].nodeId,
                                 UA_BROWSEDIRECTION_FORWARD,
                                 &reftypes_interface, UA_NODECLASS_OBJECTTYPE,
                                 false, &interfacesChildrenSize, &interfaceChildren);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_Array_delete(hasInterfaceCandidates, hasInterfaceCandidatesSize,
                            &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
            if(*interfaceChildNodesSize) {
                UA_Array_delete(*interfaceChildNodes, *interfaceChildNodesSize,
                                &UA_TYPES[UA_TYPES_NODEID]);
                *interfaceChildNodesSize = 0;
            }
            return retval;
        }

        UA_assert(interfacesChildrenSize < 1000);

        if(interfacesChildrenSize == 0) {
            continue;
        }

        if(!*interfaceChildNodes) {
            *interfaceChildNodes = (UA_NodeId*)
                UA_calloc(interfacesChildrenSize, sizeof(UA_NodeId));
            *interfaceChildNodesSize = interfacesChildrenSize;

            if(!*interfaceChildNodes) {
                UA_Array_delete(interfaceChildren, interfacesChildrenSize,
                                &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
                UA_Array_delete(hasInterfaceCandidates, hasInterfaceCandidatesSize,
                                &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
        } else {
            UA_NodeId *resizedInterfaceChildNodes = (UA_NodeId*)
                UA_realloc(*interfaceChildNodes,
                           ((*interfaceChildNodesSize + interfacesChildrenSize) * sizeof(UA_NodeId)));

            if(!resizedInterfaceChildNodes) {
                UA_Array_delete(hasInterfaceCandidates, hasInterfaceCandidatesSize,
                                &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
                UA_Array_delete(interfaceChildren, interfacesChildrenSize,
                                &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }

            const size_t oldSize = *interfaceChildNodesSize;
            *interfaceChildNodesSize += interfacesChildrenSize;
            *interfaceChildNodes = resizedInterfaceChildNodes;

            for(size_t j = oldSize; j < *interfaceChildNodesSize; ++j)
                UA_NodeId_init(&(*interfaceChildNodes)[j]);
        }

        for(size_t j = 0; j < interfacesChildrenSize; j++) {
            (*interfaceChildNodes)[outputIndex++] = interfaceChildren[j].nodeId;
        }

        UA_assert(*interfaceChildNodesSize < 1000);
        UA_Array_delete(interfaceChildren, interfacesChildrenSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
    }

    UA_Array_delete(hasInterfaceCandidates, hasInterfaceCandidatesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);

    return UA_STATUSCODE_GOOD;
}

/* For mulithreading: make a copy of the node, edit and replace.
 * For singlethreading: edit the original */
UA_StatusCode
UA_Server_editNode(UA_Server *server, UA_Session *session,
                   const UA_NodeId *nodeId, UA_EditNodeCallback callback,
                   void *data) {
#ifndef UA_ENABLE_IMMUTABLE_NODES
    /* Get the node and process it in-situ */
    const UA_Node *node = UA_NODESTORE_GET(server, nodeId);
    if(!node)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    UA_StatusCode retval = callback(server, session, (UA_Node*)(uintptr_t)node, data);
    UA_NODESTORE_RELEASE(server, node);
    return retval;
#else
    UA_StatusCode retval;
    do {
        /* Get an editable copy of the node */
        UA_Node *node;
        retval = UA_NODESTORE_GETCOPY(server, nodeId, &node);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;

        /* Run the operation on the copy */
        retval = callback(server, session, node, data);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_NODESTORE_DELETE(server, node);
            return retval;
        }

        /* Replace the node */
        retval = UA_NODESTORE_REPLACE(server, node);
    } while(retval != UA_STATUSCODE_GOOD);
    return retval;
#endif
}

UA_StatusCode
UA_Server_processServiceOperations(UA_Server *server, UA_Session *session,
                                   UA_ServiceOperation operationCallback,
                                   const void *context, const size_t *requestOperations,
                                   const UA_DataType *requestOperationsType,
                                   size_t *responseOperations,
                                   const UA_DataType *responseOperationsType) {
    size_t ops = *requestOperations;
    if(ops == 0)
        return UA_STATUSCODE_BADNOTHINGTODO;

    /* No padding after size_t */
    void **respPos = (void**)((uintptr_t)responseOperations + sizeof(size_t));
    *respPos = UA_Array_new(ops, responseOperationsType);
    if(!(*respPos))
        return UA_STATUSCODE_BADOUTOFMEMORY;

    *responseOperations = ops;
    uintptr_t respOp = (uintptr_t)*respPos;
    /* No padding after size_t */
    uintptr_t reqOp = *(uintptr_t*)((uintptr_t)requestOperations + sizeof(size_t));
    for(size_t i = 0; i < ops; i++) {
        operationCallback(server, session, context, (void*)reqOp, (void*)respOp);
        reqOp += requestOperationsType->memSize;
        respOp += responseOperationsType->memSize;
    }
    return UA_STATUSCODE_GOOD;
}

/* A few global NodeId definitions */
const UA_NodeId subtypeId = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASSUBTYPE}};
const UA_NodeId hierarchicalReferences = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HIERARCHICALREFERENCES}};

/*********************************/
/* Default attribute definitions */
/*********************************/

const UA_ObjectAttributes UA_ObjectAttributes_default = {
    0,                      /* specifiedAttributes */
    {{0, NULL}, {0, NULL}}, /* displayName */
    {{0, NULL}, {0, NULL}}, /* description */
    0, 0,                   /* writeMask (userWriteMask) */
    0                       /* eventNotifier */
};

const UA_VariableAttributes UA_VariableAttributes_default = {
    0,                           /* specifiedAttributes */
    {{0, NULL}, {0, NULL}},      /* displayName */
    {{0, NULL}, {0, NULL}},      /* description */
    0, 0,                        /* writeMask (userWriteMask) */
    {NULL, UA_VARIANT_DATA,
     0, NULL, 0, NULL},          /* value */
    {0, UA_NODEIDTYPE_NUMERIC,
     {UA_NS0ID_BASEDATATYPE}},   /* dataType */
    UA_VALUERANK_ANY,            /* valueRank */
    0, NULL,                     /* arrayDimensions */
    UA_ACCESSLEVELMASK_READ, 0,  /* accessLevel (userAccessLevel) */
    0.0,                         /* minimumSamplingInterval */
    false                        /* historizing */
};

const UA_MethodAttributes UA_MethodAttributes_default = {
    0,                      /* specifiedAttributes */
    {{0, NULL}, {0, NULL}}, /* displayName */
    {{0, NULL}, {0, NULL}}, /* description */
    0, 0,                   /* writeMask (userWriteMask) */
    true, true              /* executable (userExecutable) */
};

const UA_ObjectTypeAttributes UA_ObjectTypeAttributes_default = {
    0,                      /* specifiedAttributes */
    {{0, NULL}, {0, NULL}}, /* displayName */
    {{0, NULL}, {0, NULL}}, /* description */
    0, 0,                   /* writeMask (userWriteMask) */
    false                   /* isAbstract */
};

const UA_VariableTypeAttributes UA_VariableTypeAttributes_default = {
    0,                           /* specifiedAttributes */
    {{0, NULL}, {0, NULL}},      /* displayName */
    {{0, NULL}, {0, NULL}},      /* description */
    0, 0,                        /* writeMask (userWriteMask) */
    {NULL, UA_VARIANT_DATA,
     0, NULL, 0, NULL},          /* value */
    {0, UA_NODEIDTYPE_NUMERIC,
     {UA_NS0ID_BASEDATATYPE}},   /* dataType */
    UA_VALUERANK_ANY,            /* valueRank */
    0, NULL,                     /* arrayDimensions */
    false                        /* isAbstract */
};

const UA_ReferenceTypeAttributes UA_ReferenceTypeAttributes_default = {
    0,                      /* specifiedAttributes */
    {{0, NULL}, {0, NULL}}, /* displayName */
    {{0, NULL}, {0, NULL}}, /* description */
    0, 0,                   /* writeMask (userWriteMask) */
    false,                  /* isAbstract */
    false,                  /* symmetric */
    {{0, NULL}, {0, NULL}}  /* inverseName */
};

const UA_DataTypeAttributes UA_DataTypeAttributes_default = {
    0,                      /* specifiedAttributes */
    {{0, NULL}, {0, NULL}}, /* displayName */
    {{0, NULL}, {0, NULL}}, /* description */
    0, 0,                   /* writeMask (userWriteMask) */
    false                   /* isAbstract */
};

const UA_ViewAttributes UA_ViewAttributes_default = {
    0,                      /* specifiedAttributes */
    {{0, NULL}, {0, NULL}}, /* displayName */
    {{0, NULL}, {0, NULL}}, /* description */
    0, 0,                   /* writeMask (userWriteMask) */
    false,                  /* containsNoLoops */
    0                       /* eventNotifier */
};


/**** amalgamated original file "/src/server/ua_server_discovery.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */



#ifdef UA_ENABLE_DISCOVERY

UA_StatusCode
register_server_with_discovery_server(UA_Server *server,
                                      void *pClient,
                                      const UA_Boolean isUnregister,
                                      const char* semaphoreFilePath) {
    UA_Client *client = (UA_Client *) pClient;

    /* Prepare the request. Do not cleanup the request after the service call,
     * as the members are stack-allocated or point into the server config. */
    UA_RegisterServer2Request request;
    UA_RegisterServer2Request_init(&request);
    request.requestHeader.timestamp = UA_DateTime_now();
    request.requestHeader.timeoutHint = 10000;

    request.server.isOnline = !isUnregister;
    request.server.serverUri = server->config.applicationDescription.applicationUri;
    request.server.productUri = server->config.applicationDescription.productUri;
    request.server.serverType = server->config.applicationDescription.applicationType;
    request.server.gatewayServerUri = server->config.applicationDescription.gatewayServerUri;

    if(semaphoreFilePath) {
#ifdef UA_ENABLE_DISCOVERY_SEMAPHORE
        request.server.semaphoreFilePath =
            UA_STRING((char*)(uintptr_t)semaphoreFilePath); /* dirty cast */
#else
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Ignoring semaphore file path. open62541 not compiled "
                       "with UA_ENABLE_DISCOVERY_SEMAPHORE=ON");
#endif
    }

    request.server.serverNames = &server->config.applicationDescription.applicationName;
    request.server.serverNamesSize = 1;

    /* Mirror the discovery urls from the server config and the network layers */
    size_t config_discurls = server->config.applicationDescription.discoveryUrlsSize;
    size_t nl_discurls = server->config.networkLayersSize;
    size_t total_discurls = config_discurls + nl_discurls;
    request.server.discoveryUrls = (UA_String*)
        UA_Array_new(total_discurls, &UA_TYPES[UA_TYPES_STRING]);
    if(!request.server.discoveryUrls)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    for(size_t i = 0; i < config_discurls; ++i)
        request.server.discoveryUrls[i] = server->config.applicationDescription.discoveryUrls[i];
    /* TODO: Add nl only if discoveryUrl not already present */
    for(size_t i = 0; i < nl_discurls; ++i) {
        UA_ServerNetworkLayer *nl = &server->config.networkLayers[i];
        request.server.discoveryUrls[config_discurls + i] = nl->discoveryUrl;
    }
    request.server.discoveryUrlsSize = total_discurls;

#ifdef UA_ENABLE_DISCOVERY_MULTICAST
    request.discoveryConfigurationSize = 1;
    request.discoveryConfiguration = UA_ExtensionObject_new();
    // Set to NODELETE so that we can just use a pointer to the mdns config
    UA_ExtensionObject_setValueNoDelete(request.discoveryConfiguration,
                                        &server->config.mdnsConfig,
                                        &UA_TYPES[UA_TYPES_MDNSDISCOVERYCONFIGURATION]);
#endif

    // First try with RegisterServer2, if that isn't implemented, use RegisterServer
    UA_RegisterServer2Response response;
    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_REGISTERSERVER2REQUEST],
                        &response, &UA_TYPES[UA_TYPES_REGISTERSERVER2RESPONSE]);

    UA_StatusCode serviceResult = response.responseHeader.serviceResult;
    UA_RegisterServer2Response_clear(&response);
    UA_Array_delete(request.discoveryConfiguration,
                    request.discoveryConfigurationSize,
                    &UA_TYPES[UA_TYPES_EXTENSIONOBJECT]);
    if(total_discurls > 0)
        UA_free(request.server.discoveryUrls);

    if(serviceResult == UA_STATUSCODE_BADNOTIMPLEMENTED ||
       serviceResult == UA_STATUSCODE_BADSERVICEUNSUPPORTED) {
        /* Try RegisterServer */
        UA_RegisterServerRequest request_fallback;
        UA_RegisterServerRequest_init(&request_fallback);
        /* Copy from RegisterServer2 request */
        request_fallback.requestHeader = request.requestHeader;
        request_fallback.server = request.server;

        UA_RegisterServerResponse response_fallback;

        __UA_Client_Service(client, &request_fallback,
                            &UA_TYPES[UA_TYPES_REGISTERSERVERREQUEST],
                            &response_fallback,
                            &UA_TYPES[UA_TYPES_REGISTERSERVERRESPONSE]);

        serviceResult = response_fallback.responseHeader.serviceResult;
        UA_RegisterServerResponse_clear(&response_fallback);
    }

    if(serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_CLIENT,
                     "RegisterServer/RegisterServer2 failed with statuscode %s",
                     UA_StatusCode_name(serviceResult));
    }

    return serviceResult;
}

UA_StatusCode
UA_Server_register_discovery(UA_Server *server, UA_Client *client,
                             const char* semaphoreFilePath) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = register_server_with_discovery_server(server, client,
                                                                 false, semaphoreFilePath);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

UA_StatusCode
UA_Server_unregister_discovery(UA_Server *server, UA_Client *client) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = register_server_with_discovery_server(server, client,
                                                                 true, NULL);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

#endif /* UA_ENABLE_DISCOVERY */

/**** amalgamated original file "/src/server/ua_server_async.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2019 (c) Fraunhofer IOSB (Author: Klaus Schick)
 *    Copyright 2019 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 */


#if UA_MULTITHREADING >= 100

static void
UA_AsyncOperation_delete(UA_AsyncOperation *ar) {
    UA_CallMethodRequest_clear(&ar->request);
    UA_CallMethodResult_clear(&ar->response);
    UA_free(ar);
}

static UA_StatusCode
UA_AsyncManager_sendAsyncResponse(UA_AsyncManager *am, UA_Server *server,
                                  UA_AsyncResponse *ar) {
    /* Get the session */
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    UA_LOCK(&server->serviceMutex);
    UA_Session* session = UA_Server_getSessionById(server, &ar->sessionId);
    UA_UNLOCK(&server->serviceMutex);
    UA_SecureChannel* channel = NULL;
    UA_ResponseHeader *responseHeader = NULL;
    if(!session) {
        res = UA_STATUSCODE_BADSESSIONIDINVALID;
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "UA_Server_InsertMethodResponse: Session is gone");
        goto clean_up;
    }

    /* Check the channel */
    channel = session->header.channel;
    if(!channel) {
        res = UA_STATUSCODE_BADSECURECHANNELCLOSED;
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "UA_Server_InsertMethodResponse: Channel is gone");
        goto clean_up;
    }

    /* Okay, here we go, send the UA_CallResponse */
    responseHeader = (UA_ResponseHeader*)
        &ar->response.callResponse.responseHeader;
    responseHeader->requestHandle = ar->requestHandle;
    res = sendResponse(server, session, channel, ar->requestId,
                       (UA_Response*)&ar->response, &UA_TYPES[UA_TYPES_CALLRESPONSE]);
    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "UA_Server_SendResponse: Response for Req# %" PRIu32 " sent", ar->requestId);

 clean_up:
    /* Remove from the AsyncManager */
    UA_AsyncManager_removeAsyncResponse(&server->asyncManager, ar);
    return res;
}

/* Integrate operation result in the AsyncResponse and send out the response if
 * it is ready. */
static void
integrateOperationResult(UA_AsyncManager *am, UA_Server *server,
                         UA_AsyncOperation *ao) {
    /* Grab the open request, so we can continue to construct the response */
    UA_AsyncResponse *ar = ao->parent;

    /* Reduce the number of open results */
    ar->opCountdown -= 1;

    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "Return result in the server thread with %" PRIu32 " remaining",
                 ar->opCountdown);

    /* Move the UA_CallMethodResult to UA_CallResponse */
    ar->response.callResponse.results[ao->index] = ao->response;
    UA_CallMethodResult_init(&ao->response);

    /* Are we done with all operations? */
    if(ar->opCountdown == 0)
        UA_AsyncManager_sendAsyncResponse(am, server, ar);
}

/* Process all operations in the result queue -> move content over to the
 * AsyncResponse. This is only done by the server thread. */
static void
processAsyncResults(UA_Server *server, void *data) {
    UA_AsyncManager *am = &server->asyncManager;
    while(true) {
        UA_LOCK(&am->queueLock);
        UA_AsyncOperation *ao = TAILQ_FIRST(&am->resultQueue);
        if(ao)
            TAILQ_REMOVE(&am->resultQueue, ao, pointers);
        UA_UNLOCK(&am->queueLock);
        if(!ao)
            break;
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "UA_Server_CallMethodResponse: Got Response: OKAY");
        integrateOperationResult(am, server, ao);
        UA_AsyncOperation_delete(ao);
        am->opsCount--;
    }
}

/* Check if any operations have timed out */
static void
checkTimeouts(UA_Server *server, void *_) {
    /* Timeouts are not configured */
    if(server->config.asyncOperationTimeout <= 0.0)
        return;

    UA_AsyncManager *am = &server->asyncManager;
    const UA_DateTime tNow = UA_DateTime_now();

    UA_LOCK(&am->queueLock);

    /* Loop over the queue of dispatched ops */
    UA_AsyncOperation *op = NULL, *op_tmp = NULL;
    TAILQ_FOREACH_SAFE(op, &am->dispatchedQueue, pointers, op_tmp) {
        /* The timeout has not passed. Also for all elements following in the queue. */
        if(tNow <= op->parent->timeout)
            break;

        /* Mark as timed out and put it into the result queue */
        op->response.statusCode = UA_STATUSCODE_BADTIMEOUT;
        TAILQ_REMOVE(&am->dispatchedQueue, op, pointers);
        TAILQ_INSERT_TAIL(&am->resultQueue, op, pointers);
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Operation was removed due to a timeout");
    }

    /* Loop over the queue of new ops */
    TAILQ_FOREACH_SAFE(op, &am->newQueue, pointers, op_tmp) {
        /* The timeout has not passed. Also for all elements following in the queue. */
        if(tNow <= op->parent->timeout)
            break;

        /* Mark as timed out and put it into the result queue */
        op->response.statusCode = UA_STATUSCODE_BADTIMEOUT;
        TAILQ_REMOVE(&am->newQueue, op, pointers);
        TAILQ_INSERT_TAIL(&am->resultQueue, op, pointers);
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Operation was removed due to a timeout");
    }

    UA_UNLOCK(&am->queueLock);

    /* Integrate async results and send out complete responses */
    processAsyncResults(server, NULL);
}

void
UA_AsyncManager_init(UA_AsyncManager *am, UA_Server *server) {
    memset(am, 0, sizeof(UA_AsyncManager));
    TAILQ_INIT(&am->asyncResponses);
    TAILQ_INIT(&am->newQueue);
    TAILQ_INIT(&am->dispatchedQueue);
    TAILQ_INIT(&am->resultQueue);
    UA_LOCK_INIT(&am->queueLock);

    /* Add a regular callback for cleanup and sending finished responses at a
     * 100s interval. */
    UA_Server_addRepeatedCallback(server, (UA_ServerCallback)checkTimeouts,
                                  NULL, 100.0, &am->checkTimeoutCallbackId);
}

void
UA_AsyncManager_clear(UA_AsyncManager *am, UA_Server *server) {
    removeCallback(server, am->checkTimeoutCallbackId);

    UA_AsyncOperation *ar, *ar_tmp;

    /* Clean up queues */
    UA_LOCK(&am->queueLock);
    TAILQ_FOREACH_SAFE(ar, &am->newQueue, pointers, ar_tmp) {
        TAILQ_REMOVE(&am->newQueue, ar, pointers);
        UA_AsyncOperation_delete(ar);
    }
    TAILQ_FOREACH_SAFE(ar, &am->dispatchedQueue, pointers, ar_tmp) {
        TAILQ_REMOVE(&am->dispatchedQueue, ar, pointers);
        UA_AsyncOperation_delete(ar);
    }
    TAILQ_FOREACH_SAFE(ar, &am->resultQueue, pointers, ar_tmp) {
        TAILQ_REMOVE(&am->resultQueue, ar, pointers);
        UA_AsyncOperation_delete(ar);
    }
    UA_UNLOCK(&am->queueLock);

    /* Remove responses */
    UA_AsyncResponse *current, *temp;
    TAILQ_FOREACH_SAFE(current, &am->asyncResponses, pointers, temp) {
        UA_AsyncManager_removeAsyncResponse(am, current);
    }

    /* Delete all locks */
    UA_LOCK_DESTROY(&am->queueLock);
}

UA_StatusCode
UA_AsyncManager_createAsyncResponse(UA_AsyncManager *am, UA_Server *server,
                                    const UA_NodeId *sessionId,
                                    const UA_UInt32 requestId, const UA_UInt32 requestHandle,
                                    const UA_AsyncOperationType operationType,
                                    UA_AsyncResponse **outAr) {
    UA_AsyncResponse *newentry = (UA_AsyncResponse*)UA_calloc(1, sizeof(UA_AsyncResponse));
    if(!newentry)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    UA_StatusCode res = UA_NodeId_copy(sessionId, &newentry->sessionId);
    if(res != UA_STATUSCODE_GOOD) {
        UA_free(newentry);
        return res;
    }

    am->asyncResponsesCount += 1;
    newentry->requestId = requestId;
    newentry->requestHandle = requestHandle;
    newentry->timeout = UA_DateTime_now();
    if(server->config.asyncOperationTimeout > 0.0)
        newentry->timeout += (UA_DateTime)
            (server->config.asyncOperationTimeout * (UA_DateTime)UA_DATETIME_MSEC);
    TAILQ_INSERT_TAIL(&am->asyncResponses, newentry, pointers);

    *outAr = newentry;
    return UA_STATUSCODE_GOOD;
}

/* Remove entry and free all allocated data */
void
UA_AsyncManager_removeAsyncResponse(UA_AsyncManager *am, UA_AsyncResponse *ar) {
    TAILQ_REMOVE(&am->asyncResponses, ar, pointers);
    am->asyncResponsesCount -= 1;
    UA_CallResponse_clear(&ar->response.callResponse);
    UA_NodeId_clear(&ar->sessionId);
    UA_free(ar);
}

/* Enqueue next MethodRequest */
UA_StatusCode
UA_AsyncManager_createAsyncOp(UA_AsyncManager *am, UA_Server *server,
                              UA_AsyncResponse *ar, size_t opIndex,
                              const UA_CallMethodRequest *opRequest) {
    if(server->config.maxAsyncOperationQueueSize != 0 &&
       am->opsCount >= server->config.maxAsyncOperationQueueSize) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "UA_Server_SetNextAsyncMethod: Queue exceeds limit (%d).",
                       (int unsigned)server->config.maxAsyncOperationQueueSize);
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }

    UA_AsyncOperation *ao = (UA_AsyncOperation*)UA_calloc(1, sizeof(UA_AsyncOperation));
    if(!ao) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "UA_Server_SetNextAsyncMethod: Mem alloc failed.");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_StatusCode result = UA_CallMethodRequest_copy(opRequest, &ao->request);
    if(result != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "UA_Server_SetAsyncMethodResult: UA_CallMethodRequest_copy failed.");                
        UA_free(ao);
        return result;
    }

    UA_CallMethodResult_init(&ao->response);
    ao->index = opIndex;
    ao->parent = ar;

    UA_LOCK(&am->queueLock);
    TAILQ_INSERT_TAIL(&am->newQueue, ao, pointers);
    am->opsCount++;
    ar->opCountdown++;
    UA_UNLOCK(&am->queueLock);

    if(server->config.asyncOperationNotifyCallback)
        server->config.asyncOperationNotifyCallback(server);

    return UA_STATUSCODE_GOOD;
}

/* Get and remove next Method Call Request */
UA_Boolean
UA_Server_getAsyncOperationNonBlocking(UA_Server *server, UA_AsyncOperationType *type,
                                       const UA_AsyncOperationRequest **request,
                                       void **context, UA_DateTime *timeout) {
    UA_AsyncManager *am = &server->asyncManager;

    UA_Boolean bRV = false;
    *type = UA_ASYNCOPERATIONTYPE_INVALID;
    UA_LOCK(&am->queueLock);
    UA_AsyncOperation *ao = TAILQ_FIRST(&am->newQueue);
    if(ao) {
        TAILQ_REMOVE(&am->newQueue, ao, pointers);
        TAILQ_INSERT_TAIL(&am->dispatchedQueue, ao, pointers);
        *type = UA_ASYNCOPERATIONTYPE_CALL;
        *request = (UA_AsyncOperationRequest*)&ao->request;
        *context = (void*)ao;
        if(timeout)
            *timeout = ao->parent->timeout;
        bRV = true;
    }
    UA_UNLOCK(&am->queueLock);

    return bRV;
}

/* Worker submits Method Call Response */
void
UA_Server_setAsyncOperationResult(UA_Server *server,
                                  const UA_AsyncOperationResponse *response,
                                  void *context) {
    UA_AsyncManager *am = &server->asyncManager;

    UA_AsyncOperation *ao = (UA_AsyncOperation*)context;
    if(!ao) {
        /* Something went wrong. Not a good AsyncOp. */
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "UA_Server_SetAsyncMethodResult: Invalid context");
        return;
    }

    UA_LOCK(&am->queueLock);

    /* See if the operation is still in the dispatched queue. Otherwise it has
     * been removed due to a timeout.
     *
     * TODO: Add a tree-structure for the dispatch queue. The linear lookup does
     * not scale. */
    UA_Boolean found = false;
    UA_AsyncOperation *op = NULL;
    TAILQ_FOREACH(op, &am->dispatchedQueue, pointers) {
        if(op == ao) {
            found = true;
            break;
        }
    }

    if(!found) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "UA_Server_SetAsyncMethodResult: The operation has timed out");
        UA_UNLOCK(&am->queueLock);
        return;
    }

    /* Copy the result into the internal AsyncOperation */
    UA_StatusCode result =
        UA_CallMethodResult_copy(&response->callMethodResult, &ao->response);
    if(result != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "UA_Server_SetAsyncMethodResult: UA_CallMethodResult_copy failed.");
        ao->response.statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
    }

    /* Move to the result queue */
    TAILQ_REMOVE(&am->dispatchedQueue, ao, pointers);
    TAILQ_INSERT_TAIL(&am->resultQueue, ao, pointers);

    UA_UNLOCK(&am->queueLock);

    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "Set the result from the worker thread");
}

/******************/
/* Server Methods */
/******************/

static UA_StatusCode
setMethodNodeAsync(UA_Server *server, UA_Session *session,
                   UA_Node *node, UA_Boolean *isAsync) {
    if(node->head.nodeClass != UA_NODECLASS_METHOD)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    node->methodNode.async = *isAsync;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_setMethodNodeAsync(UA_Server *server, const UA_NodeId id,
                             UA_Boolean isAsync) {
    return UA_Server_editNode(server, &server->adminSession, &id,
                              (UA_EditNodeCallback)setMethodNodeAsync, &isAsync);
}

UA_StatusCode
UA_Server_processServiceOperationsAsync(UA_Server *server, UA_Session *session,
                                        UA_UInt32 requestId, UA_UInt32 requestHandle,
                                        UA_AsyncServiceOperation operationCallback,
                                        const size_t *requestOperations,
                                        const UA_DataType *requestOperationsType,
                                        size_t *responseOperations,
                                        const UA_DataType *responseOperationsType,
                                        UA_AsyncResponse **ar) {
    size_t ops = *requestOperations;
    if(ops == 0)
        return UA_STATUSCODE_BADNOTHINGTODO;

    /* Allocate the response array. No padding after size_t */
    void **respPos = (void**)((uintptr_t)responseOperations + sizeof(size_t));
    *respPos = UA_Array_new(ops, responseOperationsType);
    if(!*respPos)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    *responseOperations = ops;

    /* Finish / dispatch the operations. This may allocate a new AsyncResponse internally */
    uintptr_t respOp = (uintptr_t)*respPos;
    uintptr_t reqOp = *(uintptr_t*)((uintptr_t)requestOperations + sizeof(size_t));
    for(size_t i = 0; i < ops; i++) {
        operationCallback(server, session, requestId, requestHandle,
                          i, (void*)reqOp, (void*)respOp, ar);
        reqOp += requestOperationsType->memSize;
        respOp += responseOperationsType->memSize;
    }

    return UA_STATUSCODE_GOOD;
}

#endif

/**** amalgamated original file "/src/pubsub/ua_pubsub_networkmessage.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017 - 2018 Fraunhofer IOSB (Author: Tino Bischoff)
 * Copyright (c) 2019 Fraunhofer IOSB (Author: Andreas Ebner)
 */



#ifdef UA_ENABLE_PUBSUB /* conditional compilation */

const UA_Byte NM_VERSION_MASK = 15;
const UA_Byte NM_PUBLISHER_ID_ENABLED_MASK = 16;
const UA_Byte NM_GROUP_HEADER_ENABLED_MASK = 32;
const UA_Byte NM_PAYLOAD_HEADER_ENABLED_MASK = 64;
const UA_Byte NM_EXTENDEDFLAGS1_ENABLED_MASK = 128;
const UA_Byte NM_PUBLISHER_ID_MASK = 7;
const UA_Byte NM_DATASET_CLASSID_ENABLED_MASK = 8;
const UA_Byte NM_SECURITY_ENABLED_MASK = 16;
const UA_Byte NM_TIMESTAMP_ENABLED_MASK = 32;
const UA_Byte NM_PICOSECONDS_ENABLED_MASK = 64;
const UA_Byte NM_EXTENDEDFLAGS2_ENABLED_MASK = 128;
const UA_Byte NM_NETWORK_MSG_TYPE_MASK = 28;
const UA_Byte NM_CHUNK_MESSAGE_MASK = 1;
const UA_Byte NM_PROMOTEDFIELDS_ENABLED_MASK = 2;
const UA_Byte GROUP_HEADER_WRITER_GROUPID_ENABLED = 1;
const UA_Byte GROUP_HEADER_GROUP_VERSION_ENABLED = 2;
const UA_Byte GROUP_HEADER_NM_NUMBER_ENABLED = 4;
const UA_Byte GROUP_HEADER_SEQUENCE_NUMBER_ENABLED = 8;
const UA_Byte SECURITY_HEADER_NM_SIGNED = 1;
const UA_Byte SECURITY_HEADER_NM_ENCRYPTED = 2;
const UA_Byte SECURITY_HEADER_SEC_FOOTER_ENABLED = 4;
const UA_Byte SECURITY_HEADER_FORCE_KEY_RESET = 8;
const UA_Byte DS_MESSAGEHEADER_DS_MSG_VALID = 1;
const UA_Byte DS_MESSAGEHEADER_FIELD_ENCODING_MASK = 6;
const UA_Byte DS_MESSAGEHEADER_SEQ_NR_ENABLED_MASK = 8;
const UA_Byte DS_MESSAGEHEADER_STATUS_ENABLED_MASK = 16;
const UA_Byte DS_MESSAGEHEADER_CONFIGMAJORVERSION_ENABLED_MASK = 32;
const UA_Byte DS_MESSAGEHEADER_CONFIGMINORVERSION_ENABLED_MASK = 64;
const UA_Byte DS_MESSAGEHEADER_FLAGS2_ENABLED_MASK = 128;
const UA_Byte DS_MESSAGEHEADER_DS_MESSAGE_TYPE_MASK = 15;
const UA_Byte DS_MESSAGEHEADER_TIMESTAMP_ENABLED_MASK = 16;
const UA_Byte DS_MESSAGEHEADER_PICOSECONDS_INCLUDED_MASK = 32;
const UA_Byte NM_SHIFT_LEN = 2;
const UA_Byte DS_MH_SHIFT_LEN = 1;

static UA_Boolean UA_NetworkMessage_ExtendedFlags1Enabled(const UA_NetworkMessage* src);
static UA_Boolean UA_NetworkMessage_ExtendedFlags2Enabled(const UA_NetworkMessage* src);
static UA_Boolean UA_DataSetMessageHeader_DataSetFlags2Enabled(const UA_DataSetMessageHeader* src);

UA_StatusCode
UA_NetworkMessage_updateBufferedMessage(UA_NetworkMessageOffsetBuffer *buffer){
    UA_StatusCode rv = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < buffer->offsetsSize; ++i) {
        UA_NetworkMessageOffset *nmo = &buffer->offsets[i];
        const UA_Byte *bufEnd = &buffer->buffer.data[buffer->buffer.length];
        UA_Byte *bufPos = &buffer->buffer.data[nmo->offset];
        switch(nmo->contentType) {
            case UA_PUBSUB_OFFSETTYPE_DATASETMESSAGE_SEQUENCENUMBER:
            case UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_SEQUENCENUMBER:
                rv = UA_UInt16_encodeBinary((UA_UInt16 *)nmo->offsetData.value.value->value.data, &bufPos, bufEnd);
                if(*((UA_UInt16 *)nmo->offsetData.value.value->value.data) < UA_UINT16_MAX){
                    (*((UA_UInt16 *)nmo->offsetData.value.value->value.data))++;
                } else {
                    (*((UA_UInt16 *)nmo->offsetData.value.value->value.data)) = 0;
                }
                break;
            case UA_PUBSUB_OFFSETTYPE_PAYLOAD_DATAVALUE:
                rv = UA_DataValue_encodeBinary(nmo->offsetData.value.value,
                                               &bufPos, bufEnd);
                break;
            case UA_PUBSUB_OFFSETTYPE_PAYLOAD_VARIANT:
                rv = UA_Variant_encodeBinary(&nmo->offsetData.value.value->value,
                                             &bufPos, bufEnd);
                break;
            case UA_PUBSUB_OFFSETTYPE_PAYLOAD_RAW:
                rv = UA_encodeBinaryInternal(nmo->offsetData.value.value->value.data,
                                             nmo->offsetData.value.value->value.type,
                                             &bufPos, &bufEnd, NULL, NULL);
                break;
            case UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_FIELDENCDODING:
                break;
            default:
                return UA_STATUSCODE_BADNOTSUPPORTED;
        }
    }
    return rv;
}

UA_StatusCode
UA_NetworkMessage_updateBufferedNwMessage(UA_NetworkMessageOffsetBuffer *buffer,
                                          const UA_ByteString *src, size_t *bufferPosition){
    UA_StatusCode rv = UA_STATUSCODE_GOOD;
    size_t payloadCounter = 0;
    size_t offset = 0;
    UA_DataSetMessage* dsm = buffer->nm->payload.dataSetPayload.dataSetMessages; //Considering one DSM in RT TODO: Clarify multiple DSM
    UA_DataSetMessageHeader header;
    size_t smallestRawOffset = UA_UINT32_MAX;

    for (size_t i = 0; i < buffer->offsetsSize; ++i) {
        offset = buffer->offsets[i].offset + *bufferPosition;
        switch (buffer->offsets[i].contentType) {
        case UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_FIELDENCDODING:
            rv = UA_DataSetMessageHeader_decodeBinary(src, &offset, &header);
            if(rv != UA_STATUSCODE_GOOD)
                return rv;
            break;
        case UA_PUBSUB_OFFSETTYPE_PUBLISHERID:
            switch (buffer->nm->publisherIdType) {
            case UA_PUBLISHERDATATYPE_BYTE:
                rv = UA_Byte_decodeBinary(src, &offset, &(buffer->nm->publisherId.publisherIdByte));
                break;
            case UA_PUBLISHERDATATYPE_UINT16:
                rv = UA_UInt16_decodeBinary(src, &offset, &(buffer->nm->publisherId.publisherIdUInt16));
                break;
            case UA_PUBLISHERDATATYPE_UINT32:
                rv = UA_UInt32_decodeBinary(src, &offset, &(buffer->nm->publisherId.publisherIdUInt32));
                break;
            case UA_PUBLISHERDATATYPE_UINT64:
                rv = UA_UInt64_decodeBinary(src, &offset, &(buffer->nm->publisherId.publisherIdUInt64));
                break;
            default:
                return UA_STATUSCODE_BADNOTSUPPORTED;
            }
            break;
        case UA_PUBSUB_OFFSETTYPE_WRITERGROUPID:
            rv = UA_UInt16_decodeBinary(src, &offset, &buffer->nm->groupHeader.writerGroupId);
            UA_CHECK_STATUS(rv, return rv);
            break;
        case UA_PUBSUB_OFFSETTYPE_DATASETWRITERID:
            rv = UA_UInt16_decodeBinary(src, &offset,
                                        &buffer->nm->payloadHeader.dataSetPayloadHeader.dataSetWriterIds[0]); /* TODO */
            UA_CHECK_STATUS(rv, return rv);
            break;
        case UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_SEQUENCENUMBER:
            rv = UA_UInt16_decodeBinary(src, &offset, &buffer->nm->groupHeader.sequenceNumber);
            UA_CHECK_STATUS(rv, return rv);
            break;
        case UA_PUBSUB_OFFSETTYPE_DATASETMESSAGE_SEQUENCENUMBER:
            rv = UA_UInt16_decodeBinary(src, &offset, &(dsm->header.dataSetMessageSequenceNr));
            UA_CHECK_STATUS(rv, return rv);
            break;
        case UA_PUBSUB_OFFSETTYPE_PAYLOAD_DATAVALUE:
            rv = UA_DataValue_decodeBinary(src, &offset,
                                           &(dsm->data.keyFrameData.dataSetFields[payloadCounter]));
            UA_CHECK_STATUS(rv, return rv);
            payloadCounter++;
            break;
        case UA_PUBSUB_OFFSETTYPE_PAYLOAD_VARIANT:
            rv = UA_Variant_decodeBinary(src, &offset,
                                         &dsm->data.keyFrameData.dataSetFields[payloadCounter].value);
            UA_CHECK_STATUS(rv, return rv);
            dsm->data.keyFrameData.dataSetFields[payloadCounter].hasValue = true;
            payloadCounter++;
            break;
        case UA_PUBSUB_OFFSETTYPE_PAYLOAD_RAW:
            /* We need only the start address of the raw fields */
            if (smallestRawOffset > offset){
                smallestRawOffset = offset;
                dsm->data.keyFrameData.rawFields.data = &src->data[offset];
                dsm->data.keyFrameData.rawFields.length = buffer->rawMessageLength;
            }
            payloadCounter++;
            break;
        default:
            return UA_STATUSCODE_BADNOTSUPPORTED;
        }
    }
    //check if the frame is of type "raw" payload
    if(smallestRawOffset != UA_UINT32_MAX){
        *bufferPosition = smallestRawOffset + buffer->rawMessageLength;
    } else {
        *bufferPosition = offset;
    }

    return rv;
}

static
UA_StatusCode
UA_NetworkMessageHeader_encodeBinary(const UA_NetworkMessage *src, UA_Byte **bufPos,
                                     const UA_Byte *bufEnd) {

    /* UADPVersion + UADP Flags */
    UA_Byte v = src->version;
    if(src->publisherIdEnabled)
        v |= NM_PUBLISHER_ID_ENABLED_MASK;

    if(src->groupHeaderEnabled)
        v |= NM_GROUP_HEADER_ENABLED_MASK;

    if(src->payloadHeaderEnabled)
        v |= NM_PAYLOAD_HEADER_ENABLED_MASK;

    if(UA_NetworkMessage_ExtendedFlags1Enabled(src))
        v |= NM_EXTENDEDFLAGS1_ENABLED_MASK;

    UA_StatusCode rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);
    // ExtendedFlags1
    if(UA_NetworkMessage_ExtendedFlags1Enabled(src)) {
        v = (UA_Byte)src->publisherIdType;

        if(src->dataSetClassIdEnabled)
            v |= NM_DATASET_CLASSID_ENABLED_MASK;

        if(src->securityEnabled)
            v |= NM_SECURITY_ENABLED_MASK;

        if(src->timestampEnabled)
            v |= NM_TIMESTAMP_ENABLED_MASK;

        if(src->picosecondsEnabled)
            v |= NM_PICOSECONDS_ENABLED_MASK;

        if(UA_NetworkMessage_ExtendedFlags2Enabled(src))
            v |= NM_EXTENDEDFLAGS2_ENABLED_MASK;

        rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);

        // ExtendedFlags2
        if(UA_NetworkMessage_ExtendedFlags2Enabled(src)) { 
            v = (UA_Byte)src->networkMessageType;
            // shift left 2 bit
            v = (UA_Byte) (v << NM_SHIFT_LEN);

            if(src->chunkMessage)
                v |= NM_CHUNK_MESSAGE_MASK;

            if(src->promotedFieldsEnabled)
                v |= NM_PROMOTEDFIELDS_ENABLED_MASK;

            rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
            UA_CHECK_STATUS(rv, return rv);
        }
    }

    // PublisherId
    if(src->publisherIdEnabled) {
        switch (src->publisherIdType) {
        case UA_PUBLISHERDATATYPE_BYTE:
            rv = UA_Byte_encodeBinary(&(src->publisherId.publisherIdByte), bufPos, bufEnd);
            break;

        case UA_PUBLISHERDATATYPE_UINT16:
            rv = UA_UInt16_encodeBinary(&(src->publisherId.publisherIdUInt16), bufPos, bufEnd);
            break;

        case UA_PUBLISHERDATATYPE_UINT32:
            rv = UA_UInt32_encodeBinary(&(src->publisherId.publisherIdUInt32), bufPos, bufEnd);
            break;

        case UA_PUBLISHERDATATYPE_UINT64:
            rv = UA_UInt64_encodeBinary(&(src->publisherId.publisherIdUInt64), bufPos, bufEnd);
            break;

        case UA_PUBLISHERDATATYPE_STRING:
            rv = UA_String_encodeBinary(&(src->publisherId.publisherIdString), bufPos, bufEnd);
            break;

        default:
            rv = UA_STATUSCODE_BADINTERNALERROR;
            break;
        }
        UA_CHECK_STATUS(rv, return rv);
    }

    // DataSetClassId
    if(src->dataSetClassIdEnabled) {
        rv = UA_Guid_encodeBinary(&(src->dataSetClassId), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

static
UA_StatusCode
UA_GroupHeader_encodeBinary(const UA_NetworkMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd) {

    UA_Byte v = 0;

    if(src->groupHeader.writerGroupIdEnabled)
        v |= GROUP_HEADER_WRITER_GROUPID_ENABLED;

    if(src->groupHeader.groupVersionEnabled)
        v |= GROUP_HEADER_GROUP_VERSION_ENABLED;

    if(src->groupHeader.networkMessageNumberEnabled)
        v |= GROUP_HEADER_NM_NUMBER_ENABLED;

    if(src->groupHeader.sequenceNumberEnabled)
        v |= GROUP_HEADER_SEQUENCE_NUMBER_ENABLED;

    UA_StatusCode rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    if(src->groupHeader.writerGroupIdEnabled) {
        rv = UA_UInt16_encodeBinary(&(src->groupHeader.writerGroupId), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    if(src->groupHeader.groupVersionEnabled) {
        rv = UA_UInt32_encodeBinary(&(src->groupHeader.groupVersion), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    if(src->groupHeader.networkMessageNumberEnabled) {
        rv = UA_UInt16_encodeBinary(&(src->groupHeader.networkMessageNumber), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    if(src->groupHeader.sequenceNumberEnabled) {
        rv = UA_UInt16_encodeBinary(&(src->groupHeader.sequenceNumber), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

static
UA_StatusCode
UA_PayloadHeader_encodeBinary(const UA_NetworkMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd) {

    if(src->networkMessageType != UA_NETWORKMESSAGE_DATASET)
        return UA_STATUSCODE_BADNOTIMPLEMENTED;

    UA_StatusCode rv = UA_Byte_encodeBinary(&(src->payloadHeader.dataSetPayloadHeader.count), bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    if(src->payloadHeader.dataSetPayloadHeader.dataSetWriterIds == NULL)
        return UA_STATUSCODE_BADENCODINGERROR;

    for(UA_Byte i = 0; i < src->payloadHeader.dataSetPayloadHeader.count; i++) {
        rv = UA_UInt16_encodeBinary(&(src->payloadHeader.dataSetPayloadHeader.dataSetWriterIds[i]),
                                    bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

static
UA_StatusCode
UA_ExtendedNetworkMessageHeader_encodeBinary(const UA_NetworkMessage* src, UA_Byte **bufPos,
                                             const UA_Byte *bufEnd) {

    UA_StatusCode rv = UA_STATUSCODE_GOOD;
    // Timestamp
    if(src->timestampEnabled)
        rv = UA_DateTime_encodeBinary(&(src->timestamp), bufPos, bufEnd);

    UA_CHECK_STATUS(rv, return rv);
    // Picoseconds
    if(src->picosecondsEnabled)
        rv = UA_UInt16_encodeBinary(&(src->picoseconds), bufPos, bufEnd);

    UA_CHECK_STATUS(rv, return rv);
    // PromotedFields
    if(src->promotedFieldsEnabled) {
        /* Size (calculate & encode) */
        UA_UInt16 pfSize = 0;
        for(UA_UInt16 i = 0; i < src->promotedFieldsSize; i++)
            pfSize = (UA_UInt16) (pfSize + UA_Variant_calcSizeBinary(&src->promotedFields[i]));
        rv |= UA_UInt16_encodeBinary(&pfSize, bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);

        for (UA_UInt16 i = 0; i < src->promotedFieldsSize; i++)
            rv |= UA_Variant_encodeBinary(&(src->promotedFields[i]), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

static
UA_StatusCode
UA_SecurityHeader_encodeBinary(const UA_NetworkMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd) {
    // SecurityFlags
    UA_Byte v = 0;
    if(src->securityHeader.networkMessageSigned)
        v |= SECURITY_HEADER_NM_SIGNED;

    if(src->securityHeader.networkMessageEncrypted)
        v |= SECURITY_HEADER_NM_ENCRYPTED;

    if(src->securityHeader.securityFooterEnabled)
        v |= SECURITY_HEADER_SEC_FOOTER_ENABLED;

    if(src->securityHeader.forceKeyReset)
        v |= SECURITY_HEADER_FORCE_KEY_RESET;

    UA_StatusCode rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);
    // SecurityTokenId
    rv = UA_UInt32_encodeBinary(&src->securityHeader.securityTokenId, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);
    // NonceLength
    UA_Byte nonceLength = (UA_Byte)src->securityHeader.messageNonce.length;
    rv = UA_Byte_encodeBinary(&nonceLength, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);
    // MessageNonce
    for (size_t i = 0; i < src->securityHeader.messageNonce.length; i++) {
        rv = UA_Byte_encodeBinary(&src->securityHeader.messageNonce.data[i],
                                  bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // SecurityFooterSize
    if(src->securityHeader.securityFooterEnabled) {
        rv = UA_UInt16_encodeBinary(&src->securityHeader.securityFooterSize,
                                    bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_NetworkMessage_encodeHeaders(const UA_NetworkMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd) {

    UA_StatusCode rv = UA_NetworkMessageHeader_encodeBinary(src, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);
    // Group Header
    if(src->groupHeaderEnabled) {
        rv = UA_GroupHeader_encodeBinary(src, bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // Payload Header
    if(src->payloadHeaderEnabled) {
        rv = UA_PayloadHeader_encodeBinary(src, bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // Extended Network Message Header
    rv = UA_ExtendedNetworkMessageHeader_encodeBinary(src, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);
    // SecurityHeader
    if(src->securityEnabled) {
        rv = UA_SecurityHeader_encodeBinary(src, bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}


UA_StatusCode
UA_NetworkMessage_encodePayload(const UA_NetworkMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd) {

    UA_StatusCode rv;

    // Payload
    if(src->networkMessageType != UA_NETWORKMESSAGE_DATASET)
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
        
    UA_Byte count = 1;

    if(src->payloadHeaderEnabled) {
        count = src->payloadHeader.dataSetPayloadHeader.count;
        if(count > 1) {
            for (UA_Byte i = 0; i < count; i++) {
                // initially calculate the size, if not specified
                UA_UInt16 sz = 0;
                if((src->payload.dataSetPayload.sizes != NULL) &&
                   (src->payload.dataSetPayload.sizes[i] != 0)) {
                    sz = src->payload.dataSetPayload.sizes[i];
                } else {
                    sz = (UA_UInt16) UA_DataSetMessage_calcSizeBinary(&src->payload.dataSetPayload.dataSetMessages[i],
                                                                      NULL, 0);
                }

                rv = UA_UInt16_encodeBinary(&sz, bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);
            }
        }
    }

    for(UA_Byte i = 0; i < count; i++) {
        rv = UA_DataSetMessage_encodeBinary(&(src->payload.dataSetPayload.dataSetMessages[i]), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_NetworkMessage_encodeFooters(const UA_NetworkMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd) {

    if(src->securityEnabled) {
        // SecurityFooter
        if(src->securityHeader.securityFooterEnabled) {
            for(size_t i = 0; i < src->securityHeader.securityFooterSize; i++) {
                UA_StatusCode rv = UA_Byte_encodeBinary(&(src->securityFooter.data[i]), bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);
            }
        }
    }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_NetworkMessage_encodeBinary(const UA_NetworkMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd, UA_Byte **dataToEncryptStart) {

    UA_StatusCode rv = UA_NetworkMessage_encodeHeaders(src, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    if(dataToEncryptStart) {
        *dataToEncryptStart = *bufPos;
    }

    rv = UA_NetworkMessage_encodePayload(src, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    rv = UA_NetworkMessage_encodeFooters(src, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_NetworkMessageHeader_decodeBinary(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst) {
    UA_Byte decoded = 0;
    UA_StatusCode rv = UA_Byte_decodeBinary(src, offset, &decoded);
    UA_CHECK_STATUS(rv, return rv);

    dst->version = decoded & NM_VERSION_MASK;

    if((decoded & NM_PUBLISHER_ID_ENABLED_MASK) != 0)
        dst->publisherIdEnabled = true;

    if((decoded & NM_GROUP_HEADER_ENABLED_MASK) != 0)
        dst->groupHeaderEnabled = true;

    if((decoded & NM_PAYLOAD_HEADER_ENABLED_MASK) != 0)
        dst->payloadHeaderEnabled = true;

    if((decoded & NM_EXTENDEDFLAGS1_ENABLED_MASK) != 0) {
        decoded = 0;
        rv = UA_Byte_decodeBinary(src, offset, &decoded);
        UA_CHECK_STATUS(rv, return rv);

        dst->publisherIdType = (UA_PublisherIdDatatype)(decoded & NM_PUBLISHER_ID_MASK);
        if((decoded & NM_DATASET_CLASSID_ENABLED_MASK) != 0)
            dst->dataSetClassIdEnabled = true;

        if((decoded & NM_SECURITY_ENABLED_MASK) != 0)
            dst->securityEnabled = true;

        if((decoded & NM_TIMESTAMP_ENABLED_MASK) != 0)
            dst->timestampEnabled = true;

        if((decoded & NM_PICOSECONDS_ENABLED_MASK) != 0)
            dst->picosecondsEnabled = true;

        if((decoded & NM_EXTENDEDFLAGS2_ENABLED_MASK) != 0) {
            decoded = 0;
            rv = UA_Byte_decodeBinary(src, offset, &decoded);
            UA_CHECK_STATUS(rv, return rv);

            if((decoded & NM_CHUNK_MESSAGE_MASK) != 0)
                dst->chunkMessage = true;

            if((decoded & NM_PROMOTEDFIELDS_ENABLED_MASK) != 0)
                dst->promotedFieldsEnabled = true;

            decoded = decoded & NM_NETWORK_MSG_TYPE_MASK;
            decoded = (UA_Byte) (decoded >> NM_SHIFT_LEN);
            dst->networkMessageType = (UA_NetworkMessageType)decoded;
        }
    }

    if(dst->publisherIdEnabled) {
        switch (dst->publisherIdType) {
            case UA_PUBLISHERDATATYPE_BYTE:
                rv = UA_Byte_decodeBinary(src, offset, &(dst->publisherId.publisherIdByte));
                break;

            case UA_PUBLISHERDATATYPE_UINT16:
                rv = UA_UInt16_decodeBinary(src, offset, &(dst->publisherId.publisherIdUInt16));
                break;

            case UA_PUBLISHERDATATYPE_UINT32:
                rv = UA_UInt32_decodeBinary(src, offset, &(dst->publisherId.publisherIdUInt32));
                break;

            case UA_PUBLISHERDATATYPE_UINT64:
                rv = UA_UInt64_decodeBinary(src, offset, &(dst->publisherId.publisherIdUInt64));
                break;

            case UA_PUBLISHERDATATYPE_STRING:
                rv = UA_String_decodeBinary(src, offset, &(dst->publisherId.publisherIdString));
                break;

            default:
                rv = UA_STATUSCODE_BADINTERNALERROR;
                break;
        }
        UA_CHECK_STATUS(rv, return rv);
    }

    if(dst->dataSetClassIdEnabled) {
        rv = UA_Guid_decodeBinary(src, offset, &(dst->dataSetClassId));
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_GroupHeader_decodeBinary(const UA_ByteString *src, size_t *offset,
                         UA_NetworkMessage* dst) {
    UA_Byte decoded = 0;
    UA_StatusCode rv = UA_Byte_decodeBinary(src, offset, &decoded);
    UA_CHECK_STATUS(rv, return rv);

    if((decoded & GROUP_HEADER_WRITER_GROUPID_ENABLED) != 0)
        dst->groupHeader.writerGroupIdEnabled = true;

    if((decoded & GROUP_HEADER_GROUP_VERSION_ENABLED) != 0)
        dst->groupHeader.groupVersionEnabled = true;

    if((decoded & GROUP_HEADER_NM_NUMBER_ENABLED) != 0)
        dst->groupHeader.networkMessageNumberEnabled = true;

    if((decoded & GROUP_HEADER_SEQUENCE_NUMBER_ENABLED) != 0)
        dst->groupHeader.sequenceNumberEnabled = true;

    if(dst->groupHeader.writerGroupIdEnabled) {
        rv = UA_UInt16_decodeBinary(src, offset, &dst->groupHeader.writerGroupId);
        UA_CHECK_STATUS(rv, return rv);
    }
    if(dst->groupHeader.groupVersionEnabled) {
        rv = UA_UInt32_decodeBinary(src, offset, &dst->groupHeader.groupVersion);
        UA_CHECK_STATUS(rv, return rv);
    }
    if(dst->groupHeader.networkMessageNumberEnabled) {
        rv = UA_UInt16_decodeBinary(src, offset, &dst->groupHeader.networkMessageNumber);
        UA_CHECK_STATUS(rv, return rv);
    }
    if(dst->groupHeader.sequenceNumberEnabled) {
        rv = UA_UInt16_decodeBinary(src, offset, &dst->groupHeader.sequenceNumber);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_PayloadHeader_decodeBinary(const UA_ByteString *src, size_t *offset,
                              UA_NetworkMessage* dst) {

    if(dst->networkMessageType != UA_NETWORKMESSAGE_DATASET)
        return UA_STATUSCODE_BADNOTIMPLEMENTED;

    UA_StatusCode rv = UA_Byte_decodeBinary(src, offset, &dst->payloadHeader.dataSetPayloadHeader.count);
    UA_CHECK_STATUS(rv, return rv);

    dst->payloadHeader.dataSetPayloadHeader.dataSetWriterIds =
        (UA_UInt16 *)UA_Array_new(dst->payloadHeader.dataSetPayloadHeader.count,
                                  &UA_TYPES[UA_TYPES_UINT16]);
    for (UA_Byte i = 0; i < dst->payloadHeader.dataSetPayloadHeader.count; i++) {
        rv = UA_UInt16_decodeBinary(src, offset,
                                    &dst->payloadHeader.dataSetPayloadHeader.dataSetWriterIds[i]);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_ExtendedNetworkMessageHeader_decodeBinary(const UA_ByteString *src, size_t *offset,
                            UA_NetworkMessage* dst) {
    UA_StatusCode rv;

    // Timestamp
    if(dst->timestampEnabled) {
        rv = UA_DateTime_decodeBinary(src, offset, &(dst->timestamp));
        UA_CHECK_STATUS(rv, goto error);
    }

    // Picoseconds
    if(dst->picosecondsEnabled) {
        rv = UA_UInt16_decodeBinary(src, offset, &(dst->picoseconds));
        UA_CHECK_STATUS(rv, goto error);
    }

    // PromotedFields
    if(dst->promotedFieldsEnabled) {
        // Size
        UA_UInt16 promotedFieldsSize = 0;
        rv = UA_UInt16_decodeBinary(src, offset, &promotedFieldsSize);
        UA_CHECK_STATUS(rv, goto error);

        // promotedFieldsSize: here size in Byte, not the number of objects!
        if(promotedFieldsSize > 0) {
            // store offset, later compared with promotedFieldsSize
            size_t offsetEnd = (*offset) + promotedFieldsSize;

            unsigned int counter = 0;
            do {
                if(counter == 0) {
                    dst->promotedFields = (UA_Variant*)UA_malloc(UA_TYPES[UA_TYPES_VARIANT].memSize);
                    UA_CHECK_MEM(dst->promotedFields,
                                 return UA_STATUSCODE_BADOUTOFMEMORY);
                    // set promotedFieldsSize to the number of objects
                    dst->promotedFieldsSize = (UA_UInt16) (counter + 1);
                } else {
                    dst->promotedFields = (UA_Variant*)
                        UA_realloc(dst->promotedFields,
                                   (size_t) UA_TYPES[UA_TYPES_VARIANT].memSize * (counter + 1));
                    UA_CHECK_MEM(dst->promotedFields,
                                 return UA_STATUSCODE_BADOUTOFMEMORY);
                    // set promotedFieldsSize to the number of objects
                    dst->promotedFieldsSize = (UA_UInt16) (counter + 1);
                }

                UA_Variant_init(&dst->promotedFields[counter]);
                rv = UA_Variant_decodeBinary(src, offset, &dst->promotedFields[counter]);
                UA_CHECK_STATUS(rv, goto error);

                counter++;
            } while ((*offset) < offsetEnd);
        }
    }
    return UA_STATUSCODE_GOOD;

error:
    if (dst->promotedFields) {
        UA_free(dst->promotedFields);
    }
    return rv;
}

static UA_StatusCode
UA_SecurityHeader_decodeBinary(const UA_ByteString *src, size_t *offset,
                              UA_NetworkMessage* dst) {
    UA_Byte decoded = 0;
    // SecurityFlags
    decoded = 0;
    UA_StatusCode rv = UA_Byte_decodeBinary(src, offset, &decoded);
    UA_CHECK_STATUS(rv, return rv);

    if((decoded & SECURITY_HEADER_NM_SIGNED) != 0)
        dst->securityHeader.networkMessageSigned = true;

    if((decoded & SECURITY_HEADER_NM_ENCRYPTED) != 0)
        dst->securityHeader.networkMessageEncrypted = true;

    if((decoded & SECURITY_HEADER_SEC_FOOTER_ENABLED) != 0)
        dst->securityHeader.securityFooterEnabled = true;

    if((decoded & SECURITY_HEADER_FORCE_KEY_RESET) != 0)
        dst->securityHeader.forceKeyReset = true;

    // SecurityTokenId
    rv = UA_UInt32_decodeBinary(src, offset, &dst->securityHeader.securityTokenId);
    UA_CHECK_STATUS(rv, return rv);

    // NonceLength
    UA_Byte nonceLength;
    rv = UA_Byte_decodeBinary(src, offset, &nonceLength);
    UA_CHECK_STATUS(rv, return rv);

    // MessageNonce
    if(nonceLength > 0) {
        //TODO: check for memory leaks
        rv = UA_ByteString_allocBuffer(&dst->securityHeader.messageNonce, nonceLength);
        UA_CHECK_STATUS(rv, return rv);
        for (UA_Byte i = 0; i < nonceLength; i++) {
            rv = UA_Byte_decodeBinary(src, offset,
                                      &dst->securityHeader.messageNonce.data[i]);
            UA_CHECK_STATUS(rv, return rv);
        }
    }
    // SecurityFooterSize
    if(dst->securityHeader.securityFooterEnabled) {
        rv = UA_UInt16_decodeBinary(src, offset, &dst->securityHeader.securityFooterSize);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_NetworkMessage_decodeHeaders(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst) {

    UA_StatusCode rv = UA_NetworkMessageHeader_decodeBinary(src, offset, dst);
    UA_CHECK_STATUS(rv, return rv);

    if (dst->groupHeaderEnabled) {
        rv = UA_GroupHeader_decodeBinary(src, offset, dst);
        UA_CHECK_STATUS(rv, return rv);
    }

    if (dst->payloadHeaderEnabled) {
        rv = UA_PayloadHeader_decodeBinary(src, offset, dst);
        UA_CHECK_STATUS(rv, return rv);
    }

    if (dst->securityEnabled) {
        rv = UA_SecurityHeader_decodeBinary(src, offset, dst);
        UA_CHECK_STATUS(rv, return rv);
    }

    rv = UA_ExtendedNetworkMessageHeader_decodeBinary(src, offset, dst);
    UA_CHECK_STATUS(rv, return rv);

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_NetworkMessage_decodePayload(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst) {

    // Payload
    if(dst->networkMessageType != UA_NETWORKMESSAGE_DATASET)
        return UA_STATUSCODE_BADNOTIMPLEMENTED;

    UA_StatusCode rv;

    UA_Byte count = 1;
    if(dst->payloadHeaderEnabled) {
        count = dst->payloadHeader.dataSetPayloadHeader.count;
        if(count > 1) {
            dst->payload.dataSetPayload.sizes = (UA_UInt16 *)UA_Array_new(count, &UA_TYPES[UA_TYPES_UINT16]);
            for (UA_Byte i = 0; i < count; i++) {
                rv = UA_UInt16_decodeBinary(src, offset, &(dst->payload.dataSetPayload.sizes[i]));
                UA_CHECK_STATUS(rv, return rv);
            }
        }
    }

    dst->payload.dataSetPayload.dataSetMessages = (UA_DataSetMessage*)
        UA_calloc(count, sizeof(UA_DataSetMessage));
    UA_CHECK_MEM(dst->payload.dataSetPayload.dataSetMessages,
                 return UA_STATUSCODE_BADOUTOFMEMORY);

    if(count == 1)
        rv = UA_DataSetMessage_decodeBinary(src, offset,
                                            &(dst->payload.dataSetPayload.dataSetMessages[0]),
                                            0);
    else {
        for(UA_Byte i = 0; i < count; i++) {
            rv = UA_DataSetMessage_decodeBinary(src, offset,
                                                &(dst->payload.dataSetPayload.dataSetMessages[i]),
                                                dst->payload.dataSetPayload.sizes[i]);
        }
    }
    UA_CHECK_STATUS(rv, return rv);

    return UA_STATUSCODE_GOOD;

    /**
     * TODO: check if making the cleanup to free its own allocated memory is better,
     *       currently the free happens in a parent context
     */
    // error:
    // if (dst->payload.dataSetPayload.dataSetMessages) {
    //     UA_free(dst->payload.dataSetPayload.dataSetMessages);
    // }
    // return rv;
}

UA_StatusCode
UA_NetworkMessage_decodeFooters(const UA_ByteString *src, size_t *offset, UA_NetworkMessage *dst) {

    if (dst->securityEnabled) {
        // SecurityFooter
        if(dst->securityHeader.securityFooterEnabled &&
           (dst->securityHeader.securityFooterSize > 0)) {
            UA_StatusCode rv = UA_ByteString_allocBuffer(&dst->securityFooter,
                                           dst->securityHeader.securityFooterSize);
            UA_CHECK_STATUS(rv, return rv);

            for(UA_UInt16 i = 0; i < dst->securityHeader.securityFooterSize; i++) {
                rv = UA_Byte_decodeBinary(src, offset, &(dst->securityFooter.data[i]));
                UA_CHECK_STATUS(rv, return rv);
            }
        }
    }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_NetworkMessage_decodeBinary(const UA_ByteString *src, size_t *offset,
                               UA_NetworkMessage* dst) {

    UA_StatusCode rv = UA_STATUSCODE_GOOD;

    /* headers only need to be decoded when not in encryption mode
     * because headers are already decoded when encryption mode is enabled
     * to check for security parameters and decrypt/verify
     *
     * TODO: check if there is a workaround to use this function
     *       also when encryption is enabled
     */
    // #ifndef UA_ENABLE_PUBSUB_ENCRYPTION
    // if (*offset == 0) {
    //    rv = UA_NetworkMessage_decodeHeaders(src, offset, dst);
    //    UA_CHECK_STATUS(rv, return rv);
    // }
    // #endif

    rv = UA_NetworkMessage_decodeHeaders(src, offset, dst);
    UA_CHECK_STATUS(rv, return rv);

    rv = UA_NetworkMessage_decodePayload(src, offset, dst);
    UA_CHECK_STATUS(rv, return rv);

    rv = UA_NetworkMessage_decodeFooters(src, offset, dst);
    UA_CHECK_STATUS(rv, return rv);

    return UA_STATUSCODE_GOOD;
}

static UA_Boolean
increaseOffsetArray(UA_NetworkMessageOffsetBuffer *offsetBuffer) {
    UA_NetworkMessageOffset *tmpOffsets = (UA_NetworkMessageOffset *)
        UA_realloc(offsetBuffer->offsets, sizeof(UA_NetworkMessageOffset) * (offsetBuffer->offsetsSize + (size_t)1));
    UA_CHECK_MEM(tmpOffsets, return false);

    offsetBuffer->offsets = tmpOffsets;
    offsetBuffer->offsetsSize++;
    return true;
}

size_t
UA_NetworkMessage_calcSizeBinary(UA_NetworkMessage *p, UA_NetworkMessageOffsetBuffer *offsetBuffer) {
    size_t retval = 0;
    UA_Byte byte = 0;
    size_t size = UA_Byte_calcSizeBinary(&byte); // UADPVersion + UADPFlags
    if(UA_NetworkMessage_ExtendedFlags1Enabled(p)) {
        size += UA_Byte_calcSizeBinary(&byte);
        if(UA_NetworkMessage_ExtendedFlags2Enabled(p))
            size += UA_Byte_calcSizeBinary(&byte);
    }

    if(p->publisherIdEnabled) {
        if(offsetBuffer && offsetBuffer->RTsubscriberEnabled){
            size_t pos = offsetBuffer->offsetsSize;
            if(!increaseOffsetArray(offsetBuffer))
                return 0;

            offsetBuffer->offsets[pos].offset = size;
            offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_PUBLISHERID;
        }
        switch (p->publisherIdType) {
            case UA_PUBLISHERDATATYPE_BYTE:
                size += UA_Byte_calcSizeBinary(&p->publisherId.publisherIdByte);
                break;

            case UA_PUBLISHERDATATYPE_UINT16:
                size += UA_UInt16_calcSizeBinary(&p->publisherId.publisherIdUInt16);
                break;

            case UA_PUBLISHERDATATYPE_UINT32:
                size += UA_UInt32_calcSizeBinary(&p->publisherId.publisherIdUInt32);
                break;

            case UA_PUBLISHERDATATYPE_UINT64:
                size += UA_UInt64_calcSizeBinary(&p->publisherId.publisherIdUInt64);
                break;

            case UA_PUBLISHERDATATYPE_STRING:
                size += UA_String_calcSizeBinary(&p->publisherId.publisherIdString);
                break;
        }
    }

    if(p->dataSetClassIdEnabled)
        size += UA_Guid_calcSizeBinary(&p->dataSetClassId);

    // Group Header
    if(p->groupHeaderEnabled) {
        size += UA_Byte_calcSizeBinary(&byte);

        if(p->groupHeader.writerGroupIdEnabled) {
            if(offsetBuffer && offsetBuffer->RTsubscriberEnabled){
                size_t pos = offsetBuffer->offsetsSize;
                if(!increaseOffsetArray(offsetBuffer))
                    return 0;

                offsetBuffer->offsets[pos].offset = size;
                offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_WRITERGROUPID;
            }
            size += UA_UInt16_calcSizeBinary(&p->groupHeader.writerGroupId);
        }

        if(p->groupHeader.groupVersionEnabled)
            size += UA_UInt32_calcSizeBinary(&p->groupHeader.groupVersion);

        if(p->groupHeader.networkMessageNumberEnabled) {
            size += UA_UInt16_calcSizeBinary(&p->groupHeader.networkMessageNumber);
        }

        if(p->groupHeader.sequenceNumberEnabled){
            if(offsetBuffer){
                size_t pos = offsetBuffer->offsetsSize;
                if(!increaseOffsetArray(offsetBuffer))
                    return 0;
                offsetBuffer->offsets[pos].offset = size;
                offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
                UA_Variant_setScalarCopy(&offsetBuffer->offsets[pos].offsetData.value.value->value,
                                         &p->groupHeader.sequenceNumber, &UA_TYPES[UA_TYPES_UINT16]);
                offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_SEQUENCENUMBER;
            }
            size += UA_UInt16_calcSizeBinary(&p->groupHeader.sequenceNumber);
        }
    }

    // Payload Header
    if(p->payloadHeaderEnabled) {
        if(p->networkMessageType == UA_NETWORKMESSAGE_DATASET) {
            size += UA_Byte_calcSizeBinary(&p->payloadHeader.dataSetPayloadHeader.count);
            if(p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds != NULL) {
                if(offsetBuffer && offsetBuffer->RTsubscriberEnabled){
                    size_t pos = offsetBuffer->offsetsSize;
                    if(!increaseOffsetArray(offsetBuffer))
                        return 0;
                    offsetBuffer->offsets[pos].offset = size;
                    offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_DATASETWRITERID;
                }
                size += UA_UInt16_calcSizeBinary(&p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds[0]) *
                        p->payloadHeader.dataSetPayloadHeader.count;
            } else {
                return 0; /* no dataSetWriterIds given! */
            }
        } else {
            // not implemented
        }
    }

    if(p->timestampEnabled) {
        if(offsetBuffer){
            size_t pos = offsetBuffer->offsetsSize;
            if(!increaseOffsetArray(offsetBuffer))
                return 0;
            offsetBuffer->offsets[pos].offset = size;
            offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_TIMESTAMP;
        }
        size += UA_DateTime_calcSizeBinary(&p->timestamp);
    }

    if(p->picosecondsEnabled){
        if (offsetBuffer) {
            size_t pos = offsetBuffer->offsetsSize;
            if(!increaseOffsetArray(offsetBuffer))
                return 0;
            offsetBuffer->offsets[pos].offset = size;
            offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_TIMESTAMP_PICOSECONDS;
        }
        size += UA_UInt16_calcSizeBinary(&p->picoseconds);
    }

    if(p->promotedFieldsEnabled) {
        size += UA_UInt16_calcSizeBinary(&p->promotedFieldsSize);
        for (UA_UInt16 i = 0; i < p->promotedFieldsSize; i++)
            size += UA_Variant_calcSizeBinary(&p->promotedFields[i]);
    }

    if(p->securityEnabled) {
        size += UA_Byte_calcSizeBinary(&byte);
        size += UA_UInt32_calcSizeBinary(&p->securityHeader.securityTokenId);
        size += 1; /* UA_Byte_calcSizeBinary(&p->securityHeader.nonceLength); */
        size += p->securityHeader.messageNonce.length;
        if(p->securityHeader.securityFooterEnabled)
            size += UA_UInt16_calcSizeBinary(&p->securityHeader.securityFooterSize);
    }

    if(p->networkMessageType == UA_NETWORKMESSAGE_DATASET) {
        UA_Byte count = 1;
        if(p->payloadHeaderEnabled) {
            count = p->payloadHeader.dataSetPayloadHeader.count;
            if(count > 1)
                size += UA_UInt16_calcSizeBinary(&(p->payload.dataSetPayload.sizes[0])) * count;
        }

        for (size_t i = 0; i < count; i++) {
            if (offsetBuffer)
                UA_DataSetMessage_calcSizeBinary(&(p->payload.dataSetPayload.dataSetMessages[i]), offsetBuffer,
                                                 size);
            size += UA_DataSetMessage_calcSizeBinary(&(p->payload.dataSetPayload.dataSetMessages[i]), NULL, 0);
        }
    }

    if(p->securityEnabled) {
        if(p->securityHeader.securityFooterEnabled)
            size += p->securityHeader.securityFooterSize;
    }

    retval = size;
    return retval;
}

void
UA_NetworkMessage_clear(UA_NetworkMessage* p) {
    if(p->promotedFieldsEnabled)
        UA_Array_delete(p->promotedFields, p->promotedFieldsSize, &UA_TYPES[UA_TYPES_VARIANT]);

    UA_ByteString_clear(&p->securityHeader.messageNonce);

    if(p->networkMessageType == UA_NETWORKMESSAGE_DATASET) {
        if(p->payloadHeaderEnabled) {
            if(p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds != NULL) {
                UA_Array_delete(p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds,
                                p->payloadHeader.dataSetPayloadHeader.count, &UA_TYPES[UA_TYPES_UINT16]);
            }
            if(p->payload.dataSetPayload.sizes != NULL) { 
                UA_Array_delete(p->payload.dataSetPayload.sizes,
                                p->payloadHeader.dataSetPayloadHeader.count, &UA_TYPES[UA_TYPES_UINT16]);
            }
        }

        if(p->payload.dataSetPayload.dataSetMessages) {
            UA_Byte count = 1;
            if(p->payloadHeaderEnabled)
                count = p->payloadHeader.dataSetPayloadHeader.count;
            
            for(size_t i = 0; i < count; i++)
                UA_DataSetMessage_clear(&(p->payload.dataSetPayload.dataSetMessages[i]));

            UA_free(p->payload.dataSetPayload.dataSetMessages);
        }
    }

    if(p->securityHeader.securityFooterEnabled && (p->securityHeader.securityFooterSize > 0))
        UA_ByteString_clear(&p->securityFooter);

    if(p->messageIdEnabled){
           UA_String_clear(&p->messageId);
    }

    if(p->publisherIdEnabled && p->publisherIdType == UA_PUBLISHERDATATYPE_STRING){
       UA_String_clear(&p->publisherId.publisherIdString);
    }

    memset(p, 0, sizeof(UA_NetworkMessage));
}

UA_Boolean
UA_NetworkMessage_ExtendedFlags1Enabled(const UA_NetworkMessage* src) {
    UA_Boolean retval = false;

    if((src->publisherIdType != UA_PUBLISHERDATATYPE_BYTE) 
        || src->dataSetClassIdEnabled 
        || src->securityEnabled 
        || src->timestampEnabled 
        || src->picosecondsEnabled
        || UA_NetworkMessage_ExtendedFlags2Enabled(src))
    {
        retval = true;
    }

    return retval;
}

UA_Boolean
UA_NetworkMessage_ExtendedFlags2Enabled(const UA_NetworkMessage* src) {
    if(src->chunkMessage || src->promotedFieldsEnabled ||
       src->networkMessageType != UA_NETWORKMESSAGE_DATASET)
        return true;
    return false;
}

UA_Boolean
UA_DataSetMessageHeader_DataSetFlags2Enabled(const UA_DataSetMessageHeader* src) {
    if(src->dataSetMessageType != UA_DATASETMESSAGE_DATAKEYFRAME ||
       src->timestampEnabled || src->picoSecondsIncluded)
        return true;
    return false;
}

UA_StatusCode
UA_DataSetMessageHeader_encodeBinary(const UA_DataSetMessageHeader* src, UA_Byte **bufPos,
                                     const UA_Byte *bufEnd) {
    UA_Byte v;
    // DataSetFlags1 
    v = (UA_Byte)src->fieldEncoding;
    // shift left 1 bit
    v = (UA_Byte)(v << DS_MH_SHIFT_LEN);

    if(src->dataSetMessageValid)
        v |= DS_MESSAGEHEADER_DS_MSG_VALID;

    if(src->dataSetMessageSequenceNrEnabled)
        v |= DS_MESSAGEHEADER_SEQ_NR_ENABLED_MASK;

    if(src->statusEnabled)
        v |= DS_MESSAGEHEADER_STATUS_ENABLED_MASK;

    if(src->configVersionMajorVersionEnabled)
        v |= DS_MESSAGEHEADER_CONFIGMAJORVERSION_ENABLED_MASK;

    if(src->configVersionMinorVersionEnabled)
        v |= DS_MESSAGEHEADER_CONFIGMINORVERSION_ENABLED_MASK;

    if(UA_DataSetMessageHeader_DataSetFlags2Enabled(src))
        v |= DS_MESSAGEHEADER_FLAGS2_ENABLED_MASK;

    UA_StatusCode rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    // DataSetFlags2
    if(UA_DataSetMessageHeader_DataSetFlags2Enabled(src)) {
        v = (UA_Byte)src->dataSetMessageType;

        if(src->timestampEnabled)
            v |= DS_MESSAGEHEADER_TIMESTAMP_ENABLED_MASK;

        if(src->picoSecondsIncluded)
            v |= DS_MESSAGEHEADER_PICOSECONDS_INCLUDED_MASK;

        rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // DataSetMessageSequenceNr
    if(src->dataSetMessageSequenceNrEnabled) { 
        rv = UA_UInt16_encodeBinary(&src->dataSetMessageSequenceNr, bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // Timestamp
    if(src->timestampEnabled) {
        rv = UA_DateTime_encodeBinary(&(src->timestamp), bufPos, bufEnd); /* UtcTime */
        UA_CHECK_STATUS(rv, return rv);
    }

    // PicoSeconds
    if(src->picoSecondsIncluded) {
        rv = UA_UInt16_encodeBinary(&(src->picoSeconds), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // Status
    if(src->statusEnabled) {
        rv = UA_UInt16_encodeBinary(&(src->status), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // ConfigVersionMajorVersion
    if(src->configVersionMajorVersionEnabled) {
        rv = UA_UInt32_encodeBinary(&(src->configVersionMajorVersion), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    // ConfigVersionMinorVersion
    if(src->configVersionMinorVersionEnabled) {
        rv = UA_UInt32_encodeBinary(&(src->configVersionMinorVersion), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);
    }

    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION

UA_StatusCode
UA_NetworkMessage_signEncrypt(UA_NetworkMessage *nm, UA_MessageSecurityMode securityMode,
                              UA_PubSubSecurityPolicy *policy, void *policyContext,
                              UA_Byte *messageStart, UA_Byte *encryptStart,
                              UA_Byte *sigStart) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;

    /* Encrypt the payload */
    if(securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        /* Set the temporary MessageNonce in the SecurityPolicy */
        res = policy->setMessageNonce(policyContext, &nm->securityHeader.messageNonce);
        UA_CHECK_STATUS(res, return res);

        /* The encryption is done in-place, no need to encode again */
        UA_ByteString encryptBuf;
        encryptBuf.data = encryptStart;
        encryptBuf.length = (uintptr_t)sigStart - (uintptr_t)encryptStart;
        res = policy->symmetricModule.cryptoModule.encryptionAlgorithm.
            encrypt(policyContext, &encryptBuf);
        UA_CHECK_STATUS(res, return res);
    }

    /* Sign the entire message */
    if(securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        UA_ByteString sigBuf;
        sigBuf.length = (uintptr_t)sigStart - (uintptr_t)messageStart;
        sigBuf.data = messageStart;
        size_t sigSize = policy->symmetricModule.cryptoModule.
            signatureAlgorithm.getLocalSignatureSize(policyContext);
        UA_ByteString sig = {sigSize, sigStart};
        res = policy->symmetricModule.cryptoModule.
            signatureAlgorithm.sign(policyContext, &sigBuf, &sig);
    }

    return res;
}
#endif

UA_StatusCode
UA_DataSetMessageHeader_decodeBinary(const UA_ByteString *src, size_t *offset,
                                     UA_DataSetMessageHeader* dst) {
    memset(dst, 0, sizeof(UA_DataSetMessageHeader));
    UA_Byte v = 0;
    UA_StatusCode rv = UA_Byte_decodeBinary(src, offset, &v);
    UA_CHECK_STATUS(rv, return rv);

    UA_Byte v2 = v & DS_MESSAGEHEADER_FIELD_ENCODING_MASK;
    v2 = (UA_Byte)(v2 >> DS_MH_SHIFT_LEN);
    dst->fieldEncoding = (UA_FieldEncoding)v2;
    
    if((v & DS_MESSAGEHEADER_DS_MSG_VALID) != 0)
        dst->dataSetMessageValid = true;

    if((v & DS_MESSAGEHEADER_SEQ_NR_ENABLED_MASK) != 0)
        dst->dataSetMessageSequenceNrEnabled = true;

    if((v & DS_MESSAGEHEADER_STATUS_ENABLED_MASK) != 0)
        dst->statusEnabled = true;

    if((v & DS_MESSAGEHEADER_CONFIGMAJORVERSION_ENABLED_MASK) != 0)
        dst->configVersionMajorVersionEnabled = true;

    if((v & DS_MESSAGEHEADER_CONFIGMINORVERSION_ENABLED_MASK) != 0)
        dst->configVersionMinorVersionEnabled = true;

    if((v & DS_MESSAGEHEADER_FLAGS2_ENABLED_MASK) != 0) {
        v = 0;
        rv = UA_Byte_decodeBinary(src, offset, &v);
        UA_CHECK_STATUS(rv, return rv);

        dst->dataSetMessageType = (UA_DataSetMessageType)(v & DS_MESSAGEHEADER_DS_MESSAGE_TYPE_MASK);

        if((v & DS_MESSAGEHEADER_TIMESTAMP_ENABLED_MASK) != 0)
            dst->timestampEnabled = true;

        if((v & DS_MESSAGEHEADER_PICOSECONDS_INCLUDED_MASK) != 0)
            dst->picoSecondsIncluded = true;
    } else {
        dst->dataSetMessageType = UA_DATASETMESSAGE_DATAKEYFRAME;
        dst->picoSecondsIncluded = false;
    }

    if(dst->dataSetMessageSequenceNrEnabled) {
        rv = UA_UInt16_decodeBinary(src, offset, &dst->dataSetMessageSequenceNr);
        UA_CHECK_STATUS(rv, return rv);
    } else {
        dst->dataSetMessageSequenceNr = 0;
    }

    if(dst->timestampEnabled) {
        rv = UA_DateTime_decodeBinary(src, offset, &dst->timestamp); /* UtcTime */
        UA_CHECK_STATUS(rv, return rv);
    } else {
        dst->timestamp = 0;
    }

    if(dst->picoSecondsIncluded) {
        rv = UA_UInt16_decodeBinary(src, offset, &dst->picoSeconds);
        UA_CHECK_STATUS(rv, return rv);
    } else {
        dst->picoSeconds = 0;
    }

    if(dst->statusEnabled) {
        rv = UA_UInt16_decodeBinary(src, offset, &dst->status);
        UA_CHECK_STATUS(rv, return rv);
    } else {
        dst->status = 0;
    }

    if(dst->configVersionMajorVersionEnabled) {
        rv = UA_UInt32_decodeBinary(src, offset, &dst->configVersionMajorVersion);
        UA_CHECK_STATUS(rv, return rv);
    } else {
        dst->configVersionMajorVersion = 0;
    }

    if(dst->configVersionMinorVersionEnabled) {
        rv = UA_UInt32_decodeBinary(src, offset, &dst->configVersionMinorVersion);
        UA_CHECK_STATUS(rv, return rv);
    } else {
        dst->configVersionMinorVersion = 0;
    }

    return UA_STATUSCODE_GOOD;
}

size_t
UA_DataSetMessageHeader_calcSizeBinary(const UA_DataSetMessageHeader* p) {
    UA_Byte byte = 0;
    size_t size = UA_Byte_calcSizeBinary(&byte); // DataSetMessage Type + Flags
    if(UA_DataSetMessageHeader_DataSetFlags2Enabled(p))
        size += UA_Byte_calcSizeBinary(&byte);

    if(p->dataSetMessageSequenceNrEnabled)
        size += UA_UInt16_calcSizeBinary(&p->dataSetMessageSequenceNr);

    if(p->timestampEnabled)
        size += UA_DateTime_calcSizeBinary(&p->timestamp); /* UtcTime */

    if(p->picoSecondsIncluded)
        size += UA_UInt16_calcSizeBinary(&p->picoSeconds);

    if(p->statusEnabled)
        size += UA_UInt16_calcSizeBinary(&p->status);

    if(p->configVersionMajorVersionEnabled)
        size += UA_UInt32_calcSizeBinary(&p->configVersionMajorVersion);

    if(p->configVersionMinorVersionEnabled)
        size += UA_UInt32_calcSizeBinary(&p->configVersionMinorVersion);

    return size;
}

UA_StatusCode
UA_DataSetMessage_encodeBinary(const UA_DataSetMessage* src, UA_Byte **bufPos,
                               const UA_Byte *bufEnd) {
    UA_StatusCode rv = UA_DataSetMessageHeader_encodeBinary(&src->header, bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    if(src->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
        if(src->header.fieldEncoding != UA_FIELDENCODING_RAWDATA) {
            rv = UA_UInt16_encodeBinary(&(src->data.keyFrameData.fieldCount), bufPos, bufEnd);
            UA_CHECK_STATUS(rv, return rv);
        }
        if(src->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
            for (UA_UInt16 i = 0; i < src->data.keyFrameData.fieldCount; i++) {
                rv = UA_Variant_encodeBinary(&(src->data.keyFrameData.dataSetFields[i].value), bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);
            }
        } else if(src->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
            for (UA_UInt16 i = 0; i < src->data.keyFrameData.fieldCount; i++) {
                rv = UA_encodeBinaryInternal(src->data.keyFrameData.dataSetFields[i].value.data,
                                             src->data.keyFrameData.dataSetFields[i].value.type,
                                             bufPos, &bufEnd, NULL, NULL);
                UA_CHECK_STATUS(rv, return rv);
            }
        } else if(src->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
            for (UA_UInt16 i = 0; i < src->data.keyFrameData.fieldCount; i++) {
                rv = UA_DataValue_encodeBinary(&(src->data.keyFrameData.dataSetFields[i]), bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);
            }
        }
    } else if(src->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
        // Encode Delta Frame
        // Here the FieldCount is always present
        rv = UA_UInt16_encodeBinary(&(src->data.keyFrameData.fieldCount), bufPos, bufEnd);
        UA_CHECK_STATUS(rv, return rv);

        if(src->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
            for (UA_UInt16 i = 0; i < src->data.deltaFrameData.fieldCount; i++) {
                rv = UA_UInt16_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldIndex), bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);

                rv = UA_Variant_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldValue.value), bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);
            }
        } else if(src->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
            return UA_STATUSCODE_BADNOTIMPLEMENTED;
        } else if(src->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
            for (UA_UInt16 i = 0; i < src->data.deltaFrameData.fieldCount; i++) {
                rv = UA_UInt16_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldIndex), bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);

                rv = UA_DataValue_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldValue), bufPos, bufEnd);
                UA_CHECK_STATUS(rv, return rv);
            }
        }
    } else if(src->header.dataSetMessageType != UA_DATASETMESSAGE_KEEPALIVE) {
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    }

    /* Keep-Alive Message contains no Payload Data */
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_DataSetMessage_decodeBinary(const UA_ByteString *src, size_t *offset, UA_DataSetMessage* dst, UA_UInt16 dsmSize) {
    size_t initialOffset = *offset;
    memset(dst, 0, sizeof(UA_DataSetMessage));
    UA_StatusCode rv = UA_DataSetMessageHeader_decodeBinary(src, offset, &dst->header);
    UA_CHECK_STATUS(rv, return rv);

    if(dst->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
        switch(dst->header.fieldEncoding) {
            case UA_FIELDENCODING_VARIANT:
            {
                rv = UA_UInt16_decodeBinary(src, offset, &dst->data.keyFrameData.fieldCount);
                UA_CHECK_STATUS(rv, return rv);
                dst->data.keyFrameData.dataSetFields =
                    (UA_DataValue *)UA_Array_new(dst->data.keyFrameData.fieldCount, &UA_TYPES[UA_TYPES_DATAVALUE]);
                for (UA_UInt16 i = 0; i < dst->data.keyFrameData.fieldCount; i++) {
                    UA_DataValue_init(&dst->data.keyFrameData.dataSetFields[i]);
                    rv = UA_Variant_decodeBinary(src, offset, &dst->data.keyFrameData.dataSetFields[i].value);
                    UA_CHECK_STATUS(rv, return rv);

                    dst->data.keyFrameData.dataSetFields[i].hasValue = true;
                }
                break;
            }
            case UA_FIELDENCODING_DATAVALUE:
            {
                rv = UA_UInt16_decodeBinary(src, offset, &dst->data.keyFrameData.fieldCount);
                UA_CHECK_STATUS(rv, return rv);
                dst->data.keyFrameData.dataSetFields =
                    (UA_DataValue *)UA_Array_new(dst->data.keyFrameData.fieldCount, &UA_TYPES[UA_TYPES_DATAVALUE]);
                for (UA_UInt16 i = 0; i < dst->data.keyFrameData.fieldCount; i++) {
                    rv = UA_DataValue_decodeBinary(src, offset, &(dst->data.keyFrameData.dataSetFields[i]));
                    UA_CHECK_STATUS(rv, return rv);
                }
                break;
            }
            case UA_FIELDENCODING_RAWDATA:
            {
                dst->data.keyFrameData.rawFields.data = &src->data[*offset];
                dst->data.keyFrameData.rawFields.length = dsmSize;
                if(dsmSize == 0){
                    //TODO calculate the length of the DSM-Payload for a single DSM
                    //Problem: Size is not set and MetaData information are needed.
                    //Increase offset to avoid endless chunk loop. Needs to be fixed when
                    //pubsub security footer and signatur is enabled.
                    *offset += 1500;
                } else {
                    *offset += (dsmSize - (*offset - initialOffset));
                }
                break;
            }
            default:
                return UA_STATUSCODE_BADINTERNALERROR;
        }
    } else if(dst->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
        switch(dst->header.fieldEncoding) {
            case UA_FIELDENCODING_VARIANT: {
                rv = UA_UInt16_decodeBinary(src, offset, &dst->data.deltaFrameData.fieldCount);
                UA_CHECK_STATUS(rv, return rv);
                size_t memsize = sizeof(UA_DataSetMessage_DeltaFrameField) * dst->data.deltaFrameData.fieldCount;
                dst->data.deltaFrameData.deltaFrameFields = (UA_DataSetMessage_DeltaFrameField*)UA_malloc(memsize);
                for (UA_UInt16 i = 0; i < dst->data.deltaFrameData.fieldCount; i++) {
                    rv = UA_UInt16_decodeBinary(src, offset, &dst->data.deltaFrameData.deltaFrameFields[i].fieldIndex);
                    UA_CHECK_STATUS(rv, return rv);

                    UA_DataValue_init(&dst->data.deltaFrameData.deltaFrameFields[i].fieldValue);
                    rv = UA_Variant_decodeBinary(src, offset, &dst->data.deltaFrameData.deltaFrameFields[i].fieldValue.value);
                    UA_CHECK_STATUS(rv, return rv);

                    dst->data.deltaFrameData.deltaFrameFields[i].fieldValue.hasValue = true;
                }
                break;
            }
            case UA_FIELDENCODING_DATAVALUE: {
                rv = UA_UInt16_decodeBinary(src, offset, &dst->data.deltaFrameData.fieldCount);
                UA_CHECK_STATUS(rv, return rv);
                size_t memsize = sizeof(UA_DataSetMessage_DeltaFrameField) * dst->data.deltaFrameData.fieldCount;
                dst->data.deltaFrameData.deltaFrameFields = (UA_DataSetMessage_DeltaFrameField*)UA_malloc(memsize);
                for (UA_UInt16 i = 0; i < dst->data.deltaFrameData.fieldCount; i++) {
                    rv = UA_UInt16_decodeBinary(src, offset, &dst->data.deltaFrameData.deltaFrameFields[i].fieldIndex);
                    UA_CHECK_STATUS(rv, return rv);

                    rv = UA_DataValue_decodeBinary(src, offset, &(dst->data.deltaFrameData.deltaFrameFields[i].fieldValue));
                    UA_CHECK_STATUS(rv, return rv);
                }
                break;
            }
            case UA_FIELDENCODING_RAWDATA: {
                return UA_STATUSCODE_BADNOTIMPLEMENTED;
            }
            default:
                return UA_STATUSCODE_BADINTERNALERROR;
        }
    } else if(dst->header.dataSetMessageType != UA_DATASETMESSAGE_KEEPALIVE) {
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    }

    /* Keep-Alive Message contains no Payload Data */
    return UA_STATUSCODE_GOOD;
}

size_t
UA_DataSetMessage_calcSizeBinary(UA_DataSetMessage* p, UA_NetworkMessageOffsetBuffer *offsetBuffer, size_t currentOffset) {
    size_t size = currentOffset;

    if (offsetBuffer) {
        size_t pos = offsetBuffer->offsetsSize;
        if(!increaseOffsetArray(offsetBuffer))
            return 0;
        offsetBuffer->offsets[pos].offset = size;
        offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
        UA_Variant_setScalar(&offsetBuffer->offsets[pos].offsetData.value.value->value,
                             &p->header.fieldEncoding, &UA_TYPES[UA_TYPES_UINT32]);
        offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_FIELDENCDODING;
    }

    UA_Byte byte = 0;
    size += UA_Byte_calcSizeBinary(&byte); // DataSetMessage Type + Flags
    if(UA_DataSetMessageHeader_DataSetFlags2Enabled(&p->header))
        size += UA_Byte_calcSizeBinary(&byte);

    if(p->header.dataSetMessageSequenceNrEnabled) {
        if (offsetBuffer) {
            size_t pos = offsetBuffer->offsetsSize;
            if(!increaseOffsetArray(offsetBuffer))
                return 0;
            offsetBuffer->offsets[pos].offset = size;
            offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
            UA_Variant_setScalarCopy(&offsetBuffer->offsets[pos].offsetData.value.value->value,
                                 &p->header.dataSetMessageSequenceNr, &UA_TYPES[UA_TYPES_UINT16]);
            offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_DATASETMESSAGE_SEQUENCENUMBER;
        }
        size += UA_UInt16_calcSizeBinary(&p->header.dataSetMessageSequenceNr);
    }

    if(p->header.timestampEnabled)
        size += UA_DateTime_calcSizeBinary(&p->header.timestamp); /* UtcTime */

    if(p->header.picoSecondsIncluded)
        size += UA_UInt16_calcSizeBinary(&p->header.picoSeconds);

    if(p->header.statusEnabled)
        size += UA_UInt16_calcSizeBinary(&p->header.status);

    if(p->header.configVersionMajorVersionEnabled)
        size += UA_UInt32_calcSizeBinary(&p->header.configVersionMajorVersion);

    if(p->header.configVersionMinorVersionEnabled)
        size += UA_UInt32_calcSizeBinary(&p->header.configVersionMinorVersion);

    if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
        if(p->header.fieldEncoding != UA_FIELDENCODING_RAWDATA){
            size += UA_calcSizeBinary(&p->data.keyFrameData.fieldCount, &UA_TYPES[UA_TYPES_UINT16]);
        }
        if(p->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
            for (UA_UInt16 i = 0; i < p->data.keyFrameData.fieldCount; i++){
                if (offsetBuffer) {
                    size_t pos = offsetBuffer->offsetsSize;
                    if(!increaseOffsetArray(offsetBuffer))
                        return 0;
                    offsetBuffer->offsets[pos].offset = size;
                    offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_PAYLOAD_VARIANT;
                    //TODO check value source and alloc!
                    //offsetBuffer->offsets[pos].offsetData.value.value = p->data.keyFrameData.dataSetFields;
                    offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
                    UA_Variant_setScalar(&offsetBuffer->offsets[pos].offsetData.value.value->value,
                                         p->data.keyFrameData.dataSetFields[i].value.data,
                                         p->data.keyFrameData.dataSetFields[i].value.type);
                    offsetBuffer->offsets[pos].offsetData.value.value->value.storageType = UA_VARIANT_DATA_NODELETE;
                }
                size += UA_calcSizeBinary(&p->data.keyFrameData.dataSetFields[i].value, &UA_TYPES[UA_TYPES_VARIANT]);
            }
        } else if(p->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
            for (UA_UInt16 i = 0; i < p->data.keyFrameData.fieldCount; i++){
                if (offsetBuffer) {
                    size_t pos = offsetBuffer->offsetsSize;
                    if(!increaseOffsetArray(offsetBuffer))
                        return 0;
                    offsetBuffer->offsets[pos].offset = size;
                    offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_PAYLOAD_RAW;
                    offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
                    //init offset buffer with the latest value
                    UA_Variant_setScalar(&offsetBuffer->offsets[pos].offsetData.value.value->value,
                                         p->data.keyFrameData.dataSetFields[i].value.data,
                                         p->data.keyFrameData.dataSetFields[i].value.type);
                    offsetBuffer->offsets[pos].offsetData.value.value->value.storageType = UA_VARIANT_DATA_NODELETE;
                    //count the memory size of the specific field
                    offsetBuffer->rawMessageLength += p->data.keyFrameData.dataSetFields[i].value.type->memSize;
                }
                size += UA_calcSizeBinary(p->data.keyFrameData.dataSetFields[i].value.data,
                                          p->data.keyFrameData.dataSetFields[i].value.type);
            }
        } else if(p->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
            for (UA_UInt16 i = 0; i < p->data.keyFrameData.fieldCount; i++) {
                if (offsetBuffer) {
                    size_t pos = offsetBuffer->offsetsSize;
                    if(!increaseOffsetArray(offsetBuffer))
                        return 0;
                    offsetBuffer->offsets[pos].offset = size;
                    offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_PAYLOAD_DATAVALUE;
                    //TODO check value source, change implementation to 'variant'
                    offsetBuffer->offsets[pos].offsetData.value.value = p->data.keyFrameData.dataSetFields;
                }
                size += UA_calcSizeBinary(&p->data.keyFrameData.dataSetFields[i], &UA_TYPES[UA_TYPES_DATAVALUE]);
            }
        }
    } else if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
        //TODO clarify how to handle DATADELTAFRAME messages with RT
        if(p->header.fieldEncoding != UA_FIELDENCODING_RAWDATA)
            size += UA_calcSizeBinary(&p->data.deltaFrameData.fieldCount, &UA_TYPES[UA_TYPES_UINT16]);

        if(p->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
            for (UA_UInt16 i = 0; i < p->data.deltaFrameData.fieldCount; i++) {
                size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldIndex, &UA_TYPES[UA_TYPES_UINT16]);
                size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue.value, &UA_TYPES[UA_TYPES_VARIANT]);
            }
        } else if(p->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
            // not implemented
        } else if(p->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
            for (UA_UInt16 i = 0; i < p->data.deltaFrameData.fieldCount; i++) {
                size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldIndex, &UA_TYPES[UA_TYPES_UINT16]);
                size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue, &UA_TYPES[UA_TYPES_DATAVALUE]);
            }
        }
    }
    /* KeepAlive-Message contains no Payload Data */
    return size;
}

void
UA_DataSetMessage_clear(const UA_DataSetMessage* p) {
    if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
        if(p->data.keyFrameData.dataSetFields != NULL) {
            UA_Array_delete(p->data.keyFrameData.dataSetFields,
                            p->data.keyFrameData.fieldCount,
                            &UA_TYPES[UA_TYPES_DATAVALUE]);
        }

        /* Json keys */
        if(p->data.keyFrameData.fieldNames != NULL){
            UA_Array_delete(p->data.keyFrameData.fieldNames,
                            p->data.keyFrameData.fieldCount,
                            &UA_TYPES[UA_TYPES_STRING]);
        }
    } else if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
        if(p->data.deltaFrameData.deltaFrameFields != NULL) {
            for(UA_UInt16 i = 0; i < p->data.deltaFrameData.fieldCount; i++) {
                if(p->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
                    UA_DataValue_clear(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue);
                } else if(p->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
                    UA_Variant_clear(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue.value);
                }
            }
            UA_free(p->data.deltaFrameData.deltaFrameFields);
        }
    }
}

void
UA_NetworkMessageOffsetBuffer_clear(UA_NetworkMessageOffsetBuffer *ob) {
    UA_ByteString_clear(&ob->buffer);
    if(ob->nm) {
        UA_NetworkMessage_clear(ob->nm);
        UA_free(ob->nm);
    }
    ob->nm = NULL;
    ob->rawMessageLength = 0;

    for(size_t i = 0; i < ob->offsetsSize; i++) {
        UA_NetworkMessageOffset *nmo = &ob->offsets[i];
        if(nmo->contentType == UA_PUBSUB_OFFSETTYPE_PAYLOAD_VARIANT ||
           nmo->contentType == UA_PUBSUB_OFFSETTYPE_PAYLOAD_RAW ||
           nmo->contentType == UA_PUBSUB_OFFSETTYPE_PAYLOAD_DATAVALUE) {
            UA_DataValue_delete(nmo->offsetData.value.value);
        } else if(nmo->contentType == UA_PUBSUB_OFFSETTYPE_DATASETMESSAGE_SEQUENCENUMBER ||
                  nmo->contentType == UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_SEQUENCENUMBER) {
            UA_DataValue_delete(nmo->offsetData.value.value);
        } else if(nmo->contentType == UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_FIELDENCDODING) {
            nmo->offsetData.value.value->value.data = NULL;
            UA_DataValue_delete(nmo->offsetData.value.value);
        }
    }

    UA_free(ob->offsets);
    ob->offsets = NULL;
    ob->offsetsSize = 0;

    ob->RTsubscriberEnabled = false;

}

#endif /* UA_ENABLE_PUBSUB */

/**** amalgamated original file "/src/pubsub/ua_pubsub_writer.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2019 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2019 Fraunhofer IOSB (Author: Julius Pfrommer)
 * Copyright (c) 2019-2021 Kalycito Infotech Private Limited
 * Copyright (c) 2020 Yannick Wallerer, Siemens AG
 * Copyright (c) 2020 Thomas Fischer, Siemens AG
 * Copyright (c) 2021 Fraunhofer IOSB (Author: Jan Hermes)
 */


#ifdef UA_ENABLE_PUBSUB /* conditional compilation */


#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
#endif

#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
#endif

/* Forward declaration */
static void
UA_DataSetField_clear(UA_DataSetField *field);

/**********************************************/
/*               Connection                   */
/**********************************************/

UA_StatusCode
UA_PubSubConnectionConfig_copy(const UA_PubSubConnectionConfig *src,
                               UA_PubSubConnectionConfig *dst) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    memcpy(dst, src, sizeof(UA_PubSubConnectionConfig));
    res |= UA_String_copy(&src->name, &dst->name);
    res |= UA_Variant_copy(&src->address, &dst->address);
    res |= UA_String_copy(&src->transportProfileUri, &dst->transportProfileUri);
    res |= UA_Variant_copy(&src->connectionTransportSettings,
                           &dst->connectionTransportSettings);
    if(src->connectionPropertiesSize > 0) {
        dst->connectionProperties = (UA_KeyValuePair *)
            UA_calloc(src->connectionPropertiesSize, sizeof(UA_KeyValuePair));
        if(!dst->connectionProperties) {
            UA_PubSubConnectionConfig_clear(dst);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        for(size_t i = 0; i < src->connectionPropertiesSize; i++){
            res |= UA_QualifiedName_copy(&src->connectionProperties[i].key,
                                            &dst->connectionProperties[i].key);
            res |= UA_Variant_copy(&src->connectionProperties[i].value,
                                      &dst->connectionProperties[i].value);
        }
    }
    if(res != UA_STATUSCODE_GOOD)
        UA_PubSubConnectionConfig_clear(dst);
    return res;
}

UA_StatusCode
UA_Server_getPubSubConnectionConfig(UA_Server *server, const UA_NodeId connection,
                                    UA_PubSubConnectionConfig *config) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_PubSubConnection *currentPubSubConnection =
        UA_PubSubConnection_findConnectionbyId(server, connection);
    if(!currentPubSubConnection)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_PubSubConnectionConfig_copy(currentPubSubConnection->config, config);
}

UA_PubSubConnection *
UA_PubSubConnection_findConnectionbyId(UA_Server *server, UA_NodeId connectionIdentifier) {
    UA_PubSubConnection *pubSubConnection;
    TAILQ_FOREACH(pubSubConnection, &server->pubSubManager.connections, listEntry){
        if(UA_NodeId_equal(&connectionIdentifier, &pubSubConnection->identifier))
            break;
    }
    return pubSubConnection;
}

void
UA_PubSubConnectionConfig_clear(UA_PubSubConnectionConfig *connectionConfig) {
    UA_String_clear(&connectionConfig->name);
    UA_String_clear(&connectionConfig->transportProfileUri);
    UA_Variant_clear(&connectionConfig->connectionTransportSettings);
    UA_Variant_clear(&connectionConfig->address);
    for(size_t i = 0; i < connectionConfig->connectionPropertiesSize; i++){
        UA_QualifiedName_clear(&connectionConfig->connectionProperties[i].key);
        UA_Variant_clear(&connectionConfig->connectionProperties[i].value);
    }
    UA_free(connectionConfig->connectionProperties);
}

void
UA_PubSubConnection_clear(UA_Server *server, UA_PubSubConnection *connection) {
    /* Remove WriterGroups */
    UA_WriterGroup *writerGroup, *tmpWriterGroup;
    LIST_FOREACH_SAFE(writerGroup, &connection->writerGroups, listEntry, tmpWriterGroup)
        UA_Server_removeWriterGroup(server, writerGroup->identifier);

    /* Remove ReaderGroups */
    UA_ReaderGroup *readerGroups, *tmpReaderGroup;
    LIST_FOREACH_SAFE(readerGroups, &connection->readerGroups, listEntry, tmpReaderGroup)
        UA_Server_removeReaderGroup(server, readerGroups->identifier);

    UA_NodeId_clear(&connection->identifier);
    if(connection->channel)
        connection->channel->close(connection->channel);

    UA_PubSubConnectionConfig_clear(connection->config);
    UA_free(connection->config);
}

/**********************************************/
/*               PublishedDataSet             */
/**********************************************/

UA_StatusCode
UA_PublishedDataSetConfig_copy(const UA_PublishedDataSetConfig *src,
                               UA_PublishedDataSetConfig *dst) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    memcpy(dst, src, sizeof(UA_PublishedDataSetConfig));
    res |= UA_String_copy(&src->name, &dst->name);
    switch(src->publishedDataSetType) {
        case UA_PUBSUB_DATASET_PUBLISHEDITEMS:
            //no additional items
            break;

        case UA_PUBSUB_DATASET_PUBLISHEDITEMS_TEMPLATE:
            if(src->config.itemsTemplate.variablesToAddSize > 0) {
                dst->config.itemsTemplate.variablesToAdd = (UA_PublishedVariableDataType *)
                    UA_calloc(src->config.itemsTemplate.variablesToAddSize,
                              sizeof(UA_PublishedVariableDataType));
                if(!dst->config.itemsTemplate.variablesToAdd) {
                    res = UA_STATUSCODE_BADOUTOFMEMORY;
                    break;
                }
                dst->config.itemsTemplate.variablesToAddSize =
                    src->config.itemsTemplate.variablesToAddSize;
            }

            for(size_t i = 0; i < src->config.itemsTemplate.variablesToAddSize; i++) {
                res |= UA_PublishedVariableDataType_copy(&src->config.itemsTemplate.variablesToAdd[i],
                                                         &dst->config.itemsTemplate.variablesToAdd[i]);
            }
            res |= UA_DataSetMetaDataType_copy(&src->config.itemsTemplate.metaData,
                                               &dst->config.itemsTemplate.metaData);
            break;

        default:
            res = UA_STATUSCODE_BADINVALIDARGUMENT;
            break;
    }

    if(res != UA_STATUSCODE_GOOD)
        UA_PublishedDataSetConfig_clear(dst);
    return res;
}

UA_StatusCode
UA_Server_getPublishedDataSetConfig(UA_Server *server, const UA_NodeId pds,
                                    UA_PublishedDataSetConfig *config) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_PublishedDataSet *currentPDS = UA_PublishedDataSet_findPDSbyId(server, pds);
    if(!currentPDS)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_PublishedDataSetConfig_copy(&currentPDS->config, config);
}

UA_StatusCode
UA_Server_getPublishedDataSetMetaData(UA_Server *server, const UA_NodeId pds,
                                      UA_DataSetMetaDataType *metaData) {
    if(!metaData)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_PublishedDataSet *currentPDS = UA_PublishedDataSet_findPDSbyId(server, pds);
    if(!currentPDS)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_DataSetMetaDataType_copy(&currentPDS->dataSetMetaData, metaData);
}

UA_PublishedDataSet *
UA_PublishedDataSet_findPDSbyId(UA_Server *server, UA_NodeId identifier) {
    UA_PublishedDataSet *tmpPDS = NULL;
    TAILQ_FOREACH(tmpPDS, &server->pubSubManager.publishedDataSets, listEntry) {
        if(UA_NodeId_equal(&tmpPDS->identifier, &identifier))
            break;
    }
    return tmpPDS;
}

void
UA_PublishedDataSetConfig_clear(UA_PublishedDataSetConfig *pdsConfig) {
    //delete pds config
    UA_String_clear(&pdsConfig->name);
    switch (pdsConfig->publishedDataSetType){
        case UA_PUBSUB_DATASET_PUBLISHEDITEMS:
            //no additional items
            break;
        case UA_PUBSUB_DATASET_PUBLISHEDITEMS_TEMPLATE:
            if(pdsConfig->config.itemsTemplate.variablesToAddSize > 0){
                for(size_t i = 0; i < pdsConfig->config.itemsTemplate.variablesToAddSize; i++){
                    UA_PublishedVariableDataType_clear(&pdsConfig->config.itemsTemplate.variablesToAdd[i]);
                }
                UA_free(pdsConfig->config.itemsTemplate.variablesToAdd);
            }
            UA_DataSetMetaDataType_clear(&pdsConfig->config.itemsTemplate.metaData);
            break;
        default:
            break;
    }
}

void
UA_PublishedDataSet_clear(UA_Server *server, UA_PublishedDataSet *publishedDataSet) {
    UA_DataSetField *field, *tmpField;
    TAILQ_FOREACH_SAFE(field, &publishedDataSet->fields, listEntry, tmpField) {
        UA_Server_removeDataSetField(server, field->identifier);
    }
    UA_PublishedDataSetConfig_clear(&publishedDataSet->config);
    UA_DataSetMetaDataType_clear(&publishedDataSet->dataSetMetaData);
    UA_NodeId_clear(&publishedDataSet->identifier);
}

/* The fieldMetaData variable has to be cleaned up external in case of an error */
static UA_StatusCode
generateFieldMetaData(UA_Server *server, UA_DataSetField *field,
                      UA_FieldMetaData *fieldMetaData) {
    if(field->config.dataSetFieldType != UA_PUBSUB_DATASETFIELD_VARIABLE)
        return UA_STATUSCODE_BADNOTSUPPORTED;

    /* Set the field identifier */
    fieldMetaData->dataSetFieldId = UA_PubSubManager_generateUniqueGuid(server);

    /* Set the description */
    fieldMetaData->description = UA_LOCALIZEDTEXT_ALLOC("", "");

    /* Set the name */
    const UA_DataSetVariableConfig *var = &field->config.field.variable;
    UA_StatusCode res = UA_String_copy(&var->fieldNameAlias, &fieldMetaData->name);
    UA_CHECK_STATUS(res, return res);

    /* Static value source. ToDo after freeze PR, the value source must be
     * checked (other behavior for static value source) */
    if(var->rtValueSource.rtFieldSourceEnabled &&
       !var->rtValueSource.rtInformationModelNode) {
        const UA_DataValue *svs = *var->rtValueSource.staticValueSource;
        if(svs->value.arrayDimensionsSize > 0) {
            fieldMetaData->arrayDimensions = (UA_UInt32 *)
                UA_calloc(svs->value.arrayDimensionsSize, sizeof(UA_UInt32));
            if(fieldMetaData->arrayDimensions == NULL)
                return UA_STATUSCODE_BADOUTOFMEMORY;
            memcpy(fieldMetaData->arrayDimensions, svs->value.arrayDimensions,
                   sizeof(UA_UInt32) * svs->value.arrayDimensionsSize);
        }
        fieldMetaData->arrayDimensionsSize = svs->value.arrayDimensionsSize;

        res = UA_NodeId_copy(&svs->value.type->typeId, &fieldMetaData->dataType);
        UA_CHECK_STATUS(res, return res);

        //TODO collect value rank for the static field source
        fieldMetaData->properties = NULL;
        fieldMetaData->propertiesSize = 0;
        fieldMetaData->fieldFlags = UA_DATASETFIELDFLAGS_NONE;
        return UA_STATUSCODE_GOOD;
    }

    /* Set the Array Dimensions */
    const UA_PublishedVariableDataType *pp = &var->publishParameters;
    UA_Variant value;
    UA_Variant_init(&value);
    res = UA_Server_readArrayDimensions(server, pp->publishedVariable, &value);
    UA_CHECK_STATUS_LOG(res, return res,
                        WARNING, &server->config.logger, UA_LOGCATEGORY_SERVER,
                        "PubSub meta data generation. Reading the array dimensions failed.");

    if(value.arrayDimensionsSize > 0) {
        fieldMetaData->arrayDimensions = (UA_UInt32 *)
            UA_calloc(value.arrayDimensionsSize, sizeof(UA_UInt32));
        if(!fieldMetaData->arrayDimensions)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        memcpy(fieldMetaData->arrayDimensions, value.arrayDimensions,
               sizeof(UA_UInt32)*value.arrayDimensionsSize);
    }
    fieldMetaData->arrayDimensionsSize = value.arrayDimensionsSize;
    UA_Variant_clear(&value);

    /* Set the DataType */
    res = UA_Server_readDataType(server, pp->publishedVariable,
                                 &fieldMetaData->dataType);
    UA_CHECK_STATUS_LOG(res, return res,
                        WARNING, &server->config.logger, UA_LOGCATEGORY_SERVER,
                        "PubSub meta data generation. Reading the datatype failed.");

    if(!UA_NodeId_isNull(&fieldMetaData->dataType)) {
        const UA_DataType *currentDataType =
            UA_findDataTypeWithCustom(&fieldMetaData->dataType,
                                      server->config.customDataTypes);
#ifdef UA_ENABLE_TYPEDESCRIPTION
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "MetaData creation. Found DataType %s.", currentDataType->typeName);
#endif
        /* Check if the datatype is a builtInType, if yes set the builtinType.
         * TODO: Remove the magic number */
        if(currentDataType->typeKind <= UA_DATATYPEKIND_ENUM)
            fieldMetaData->builtInType = (UA_Byte)currentDataType->typeKind;
    } else {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "PubSub meta data generation. DataType is UA_NODEID_NULL.");
    }

    /* Set the ValueRank */
    UA_Int32 valueRank;
    res = UA_Server_readValueRank(server, pp->publishedVariable, &valueRank);
    UA_CHECK_STATUS_LOG(res, return res,
                        WARNING, &server->config.logger, UA_LOGCATEGORY_SERVER,
                        "PubSub meta data generation. Reading the value rank failed.");
    fieldMetaData->valueRank = valueRank;

    /* PromotedField? */
    if(var->promotedField)
        fieldMetaData->fieldFlags = UA_DATASETFIELDFLAGS_PROMOTEDFIELD;
    else
        fieldMetaData->fieldFlags = UA_DATASETFIELDFLAGS_NONE;

    /* Properties */
    fieldMetaData->properties = NULL;
    fieldMetaData->propertiesSize = 0;

    //TODO collect the following fields*/
    //fieldMetaData.builtInType
    //fieldMetaData.maxStringLength

    return UA_STATUSCODE_GOOD;
}

UA_DataSetFieldResult
UA_Server_addDataSetField(UA_Server *server, const UA_NodeId publishedDataSet,
                          const UA_DataSetFieldConfig *fieldConfig,
                          UA_NodeId *fieldIdentifier) {
    UA_DataSetFieldResult result = {0};
    if(!fieldConfig) {
        result.result = UA_STATUSCODE_BADINVALIDARGUMENT;
        return result;
    }

    UA_PublishedDataSet *currDS =
        UA_PublishedDataSet_findPDSbyId(server, publishedDataSet);
    if(!currDS) {
        result.result = UA_STATUSCODE_BADNOTFOUND;
        return result;
    }

    if(currDS->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Adding DataSetField failed. PublishedDataSet is frozen.");
        result.result = UA_STATUSCODE_BADCONFIGURATIONERROR;
        return result;
    }

    if(currDS->config.publishedDataSetType != UA_PUBSUB_DATASET_PUBLISHEDITEMS) {
        result.result = UA_STATUSCODE_BADNOTIMPLEMENTED;
        return result;
    }

    UA_DataSetField *newField = (UA_DataSetField*)UA_calloc(1, sizeof(UA_DataSetField));
    if(!newField) {
        result.result = UA_STATUSCODE_BADINTERNALERROR;
        return result;
    }

    UA_StatusCode retVal = UA_DataSetFieldConfig_copy(fieldConfig, &newField->config);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_free(newField);
        result.result = retVal;
        return result;
    }

    newField->publishedDataSet = currDS->identifier;

    /* Initialize the field metadata. Also generates a FieldId */
    UA_FieldMetaData fmd;
    UA_FieldMetaData_init(&fmd);
    result.result = generateFieldMetaData(server, newField, &fmd);
    if(result.result != UA_STATUSCODE_GOOD) {
        UA_FieldMetaData_clear(&fmd);
        UA_DataSetFieldConfig_clear(&newField->config);
        UA_free(newField);
        return result;
    }

    /* Append to the metadata fields array. Point of last return. */
    result.result = UA_Array_append((void**)&currDS->dataSetMetaData.fields,
                                    &currDS->dataSetMetaData.fieldsSize,
                                    &fmd, &UA_TYPES[UA_TYPES_FIELDMETADATA]);
    if(result.result != UA_STATUSCODE_GOOD) {
        UA_FieldMetaData_clear(&fmd);
        UA_DataSetFieldConfig_clear(&newField->config);
        UA_free(newField);
        return result;
    }

    /* Copy the identifier from the metadata. Cannot fail with a guid NodeId. */
    newField->identifier = UA_NODEID_GUID(1, fmd.dataSetFieldId);
    if(fieldIdentifier)
        UA_NodeId_copy(&newField->identifier, fieldIdentifier);

    /* Register the field. The order of DataSetFields should be the same in both
     * creating and publishing. So adding DataSetFields at the the end of the
     * DataSets using the TAILQ structure. */
    TAILQ_INSERT_TAIL(&currDS->fields, newField, listEntry);
    currDS->fieldSize++;

    if(newField->config.field.variable.promotedField)
        currDS->promotedFieldsCount++;

    /* The values of the metadata are "borrowed" in a mirrored structure in the
     * pds. Reset them after resizing the array. */
    size_t counter = 0;
    UA_DataSetField *dsf;
    TAILQ_FOREACH(dsf, &currDS->fields, listEntry) {
        dsf->fieldMetaData = currDS->dataSetMetaData.fields[counter++];
    }

    /* Update major version of parent published data set */
    currDS->dataSetMetaData.configurationVersion.majorVersion =
        UA_PubSubConfigurationVersionTimeDifference();

    result.configurationVersion.majorVersion =
        currDS->dataSetMetaData.configurationVersion.majorVersion;
    result.configurationVersion.minorVersion =
        currDS->dataSetMetaData.configurationVersion.minorVersion;
    return result;
}

UA_DataSetFieldResult
UA_Server_removeDataSetField(UA_Server *server, const UA_NodeId dsf) {
    UA_DataSetFieldResult result = {0};

    UA_DataSetField *currentField = UA_DataSetField_findDSFbyId(server, dsf);
    if(!currentField) {
        result.result = UA_STATUSCODE_BADNOTFOUND;
        return result;
    }

    if(currentField->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Remove DataSetField failed. DataSetField is frozen.");
        result.result = UA_STATUSCODE_BADCONFIGURATIONERROR;
        return result;
    }

    UA_PublishedDataSet *pds =
        UA_PublishedDataSet_findPDSbyId(server, currentField->publishedDataSet);
    if(!pds) {
        result.result = UA_STATUSCODE_BADNOTFOUND;
        return result;
    }

    if(pds->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Remove DataSetField failed. PublishedDataSet is frozen.");
        result.result = UA_STATUSCODE_BADCONFIGURATIONERROR;
        return result;
    }

    /* Reduce the counters before the config is cleaned up */
    if(currentField->config.field.variable.promotedField)
        pds->promotedFieldsCount--;
    pds->fieldSize--;

    /* Update major version of PublishedDataSet */
    pds->dataSetMetaData.configurationVersion.majorVersion =
        UA_PubSubConfigurationVersionTimeDifference();

    /* Clean up */
    currentField->fieldMetaData.arrayDimensions = NULL;
    currentField->fieldMetaData.properties = NULL;
    currentField->fieldMetaData.name = UA_STRING_NULL;
    currentField->fieldMetaData.description.locale = UA_STRING_NULL;
    currentField->fieldMetaData.description.text = UA_STRING_NULL;
    UA_DataSetField_clear(currentField);

    /* Remove */
    TAILQ_REMOVE(&pds->fields, currentField, listEntry);
    UA_free(currentField);

    /* Regenerate DataSetMetaData */
    pds->dataSetMetaData.fieldsSize--;
    if(pds->dataSetMetaData.fieldsSize > 0) {
        for(size_t i = 0; i < pds->dataSetMetaData.fieldsSize+1; i++) {
            UA_FieldMetaData_clear(&pds->dataSetMetaData.fields[i]);
        }
        UA_free(pds->dataSetMetaData.fields);
        UA_FieldMetaData *fieldMetaData = (UA_FieldMetaData *)
            UA_calloc(pds->dataSetMetaData.fieldsSize, sizeof(UA_FieldMetaData));
        if(!fieldMetaData) {
            result.result =  UA_STATUSCODE_BADOUTOFMEMORY;
            return result;
        }
        UA_DataSetField *tmpDSF;
        size_t counter = 0;
        TAILQ_FOREACH(tmpDSF, &pds->fields, listEntry){
            result.result = generateFieldMetaData(server, tmpDSF, &fieldMetaData[counter]);
            if(result.result != UA_STATUSCODE_GOOD) {
                UA_FieldMetaData_clear(&fieldMetaData[counter]);
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "PubSub MetaData generation failed!");
                break;
            }
            counter++;
        }
        pds->dataSetMetaData.fields = fieldMetaData;
    } else {
        UA_FieldMetaData_delete(pds->dataSetMetaData.fields);
        pds->dataSetMetaData.fields = NULL;
    }

    result.configurationVersion.majorVersion =
        pds->dataSetMetaData.configurationVersion.majorVersion;
    result.configurationVersion.minorVersion =
        pds->dataSetMetaData.configurationVersion.minorVersion;
    return result;
}

/**********************************************/
/*               DataSetWriter                */
/**********************************************/

UA_StatusCode
UA_DataSetWriterConfig_copy(const UA_DataSetWriterConfig *src,
                            UA_DataSetWriterConfig *dst){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    memcpy(dst, src, sizeof(UA_DataSetWriterConfig));
    retVal |= UA_String_copy(&src->name, &dst->name);
    retVal |= UA_String_copy(&src->dataSetName, &dst->dataSetName);
    retVal |= UA_ExtensionObject_copy(&src->messageSettings, &dst->messageSettings);
    if(src->dataSetWriterPropertiesSize > 0) {
        dst->dataSetWriterProperties = (UA_KeyValuePair *)
            UA_calloc(src->dataSetWriterPropertiesSize, sizeof(UA_KeyValuePair));
        if(!dst->dataSetWriterProperties)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        for(size_t i = 0; i < src->dataSetWriterPropertiesSize; i++){
            retVal |= UA_KeyValuePair_copy(&src->dataSetWriterProperties[i],
                                           &dst->dataSetWriterProperties[i]);
        }
    }
    return retVal;
}

UA_StatusCode
UA_Server_getDataSetWriterConfig(UA_Server *server, const UA_NodeId dsw,
                                 UA_DataSetWriterConfig *config) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_DataSetWriter *currentDataSetWriter = UA_DataSetWriter_findDSWbyId(server, dsw);
    if(!currentDataSetWriter)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_DataSetWriterConfig_copy(&currentDataSetWriter->config, config);
}

UA_StatusCode
UA_Server_DataSetWriter_getState(UA_Server *server, UA_NodeId dataSetWriterIdentifier,
                               UA_PubSubState *state) {
    if((server == NULL) || (state == NULL))
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_DataSetWriter *currentDataSetWriter =
        UA_DataSetWriter_findDSWbyId(server, dataSetWriterIdentifier);
    if(currentDataSetWriter == NULL)
        return UA_STATUSCODE_BADNOTFOUND;
    *state = currentDataSetWriter->state;
    return UA_STATUSCODE_GOOD;
}

UA_DataSetWriter *
UA_DataSetWriter_findDSWbyId(UA_Server *server, UA_NodeId identifier) {
    UA_PubSubConnection *pubSubConnection;
    TAILQ_FOREACH(pubSubConnection, &server->pubSubManager.connections, listEntry){
        UA_WriterGroup *tmpWriterGroup;
        LIST_FOREACH(tmpWriterGroup, &pubSubConnection->writerGroups, listEntry){
            UA_DataSetWriter *tmpWriter;
            LIST_FOREACH(tmpWriter, &tmpWriterGroup->writers, listEntry){
                if(UA_NodeId_equal(&tmpWriter->identifier, &identifier)){
                    return tmpWriter;
                }
            }
        }
    }
    return NULL;
}

void
UA_DataSetWriterConfig_clear(UA_DataSetWriterConfig *pdsConfig) {
    UA_String_clear(&pdsConfig->name);
    UA_String_clear(&pdsConfig->dataSetName);
    for(size_t i = 0; i < pdsConfig->dataSetWriterPropertiesSize; i++) {
        UA_KeyValuePair_clear(&pdsConfig->dataSetWriterProperties[i]);
    }
    UA_free(pdsConfig->dataSetWriterProperties);
    UA_ExtensionObject_clear(&pdsConfig->messageSettings);
}

static void
UA_DataSetWriter_clear(UA_Server *server, UA_DataSetWriter *dataSetWriter) {
    UA_DataSetWriterConfig_clear(&dataSetWriter->config);
    UA_NodeId_clear(&dataSetWriter->identifier);
    UA_NodeId_clear(&dataSetWriter->linkedWriterGroup);
    UA_NodeId_clear(&dataSetWriter->connectedDataSet);

    /* Delete lastSamples store */
#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
    for(size_t i = 0; i < dataSetWriter->lastSamplesCount; i++) {
        UA_DataValue_clear(&dataSetWriter->lastSamples[i].value);
    }
    UA_free(dataSetWriter->lastSamples);
    dataSetWriter->lastSamples = NULL;
    dataSetWriter->lastSamplesCount = 0;
#endif
}

//state machine methods not part of the open62541 state machine API
UA_StatusCode
UA_DataSetWriter_setPubSubState(UA_Server *server, UA_PubSubState state,
                                UA_DataSetWriter *dataSetWriter) {
    switch(state){
        case UA_PUBSUBSTATE_DISABLED:
            switch (dataSetWriter->state){
                case UA_PUBSUBSTATE_DISABLED:
                    return UA_STATUSCODE_GOOD;
                case UA_PUBSUBSTATE_PAUSED:
                    dataSetWriter->state = UA_PUBSUBSTATE_DISABLED;
                    //no further action is required
                    break;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    dataSetWriter->state = UA_PUBSUBSTATE_DISABLED;
                    break;
                case UA_PUBSUBSTATE_ERROR:
                    break;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Received unknown PubSub state!");
            }
            break;
        case UA_PUBSUBSTATE_PAUSED:
            switch (dataSetWriter->state){
                case UA_PUBSUBSTATE_DISABLED:
                    break;
                case UA_PUBSUBSTATE_PAUSED:
                    return UA_STATUSCODE_GOOD;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    break;
                case UA_PUBSUBSTATE_ERROR:
                    break;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Received unknown PubSub state!");
            }
            break;
        case UA_PUBSUBSTATE_OPERATIONAL:
            switch (dataSetWriter->state){
                case UA_PUBSUBSTATE_DISABLED:
                    dataSetWriter->state = UA_PUBSUBSTATE_OPERATIONAL;
                    break;
                case UA_PUBSUBSTATE_PAUSED:
                    break;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    return UA_STATUSCODE_GOOD;
                case UA_PUBSUBSTATE_ERROR:
                    break;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Received unknown PubSub state!");
            }
            break;
        case UA_PUBSUBSTATE_ERROR:
            switch (dataSetWriter->state){
                case UA_PUBSUBSTATE_DISABLED:
                    break;
                case UA_PUBSUBSTATE_PAUSED:
                    break;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    break;
                case UA_PUBSUBSTATE_ERROR:
                    return UA_STATUSCODE_GOOD;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Received unknown PubSub state!");
            }
            break;
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                           "Received unknown PubSub state!");
    }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_addDataSetWriter(UA_Server *server,
                           const UA_NodeId writerGroup, const UA_NodeId dataSet,
                           const UA_DataSetWriterConfig *dataSetWriterConfig,
                           UA_NodeId *writerIdentifier) {
    if(!dataSetWriterConfig)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_PublishedDataSet *currentDataSetContext =
        UA_PublishedDataSet_findPDSbyId(server, dataSet);
    if(!currentDataSetContext)
        return UA_STATUSCODE_BADNOTFOUND;

    if(currentDataSetContext->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Adding DataSetWriter failed. PublishedDataSet is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!wg)
        return UA_STATUSCODE_BADNOTFOUND;

    if(wg->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Adding DataSetWriter failed. WriterGroup is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    if(wg->config.rtLevel != UA_PUBSUB_RT_NONE) {
        UA_DataSetField *tmpDSF;
        TAILQ_FOREACH(tmpDSF, &currentDataSetContext->fields, listEntry) {
            if(!tmpDSF->config.field.variable.rtValueSource.rtFieldSourceEnabled &&
               !tmpDSF->config.field.variable.rtValueSource.rtInformationModelNode) {
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "Adding DataSetWriter failed. Fields in PDS are not RT capable.");
                return UA_STATUSCODE_BADCONFIGURATIONERROR;
            }
        }
    }

    UA_DataSetWriter *newDataSetWriter = (UA_DataSetWriter *)
        UA_calloc(1, sizeof(UA_DataSetWriter));
    if(!newDataSetWriter)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    newDataSetWriter->componentType = UA_PUBSUB_COMPONENT_DATASETWRITER;

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    if(wg->state == UA_PUBSUBSTATE_OPERATIONAL) {
        res = UA_DataSetWriter_setPubSubState(server, UA_PUBSUBSTATE_OPERATIONAL,
                                              newDataSetWriter);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "Add DataSetWriter failed. setPubSubState failed.");
            UA_free(newDataSetWriter);
            return res;
        }
    }

    /* Copy the config into the new dataSetWriter */
    res = UA_DataSetWriterConfig_copy(dataSetWriterConfig, &newDataSetWriter->config);
    UA_CHECK_STATUS(res, UA_free(newDataSetWriter); return res);

    /* Save the current version of the connected PublishedDataSet */
    newDataSetWriter->connectedDataSetVersion =
        currentDataSetContext->dataSetMetaData.configurationVersion;

#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
    /* Initialize the queue for the last values */
    if(currentDataSetContext->fieldSize > 0) {
        newDataSetWriter->lastSamples = (UA_DataSetWriterSample*)
            UA_calloc(currentDataSetContext->fieldSize, sizeof(UA_DataSetWriterSample));
        if(!newDataSetWriter->lastSamples) {
            UA_DataSetWriterConfig_clear(&newDataSetWriter->config);
            UA_free(newDataSetWriter);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        newDataSetWriter->lastSamplesCount = currentDataSetContext->fieldSize;
        for(size_t i = 0; i < newDataSetWriter->lastSamplesCount; i++) {
            UA_DataValue_init(&newDataSetWriter->lastSamples[i].value);
            newDataSetWriter->lastSamples[i].valueChanged = false;
        }
    }
#endif

    /* Connect PublishedDataSet with DataSetWriter */
    newDataSetWriter->connectedDataSet = currentDataSetContext->identifier;
    newDataSetWriter->linkedWriterGroup = wg->identifier;

    /* Add the new writer to the group */
    LIST_INSERT_HEAD(&wg->writers, newDataSetWriter, listEntry);
    wg->writersCount++;

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    res |= addDataSetWriterRepresentation(server, newDataSetWriter);
#else
    UA_PubSubManager_generateUniqueNodeId(&server->pubSubManager,
                                          &newDataSetWriter->identifier);
#endif
    if(writerIdentifier)
        UA_NodeId_copy(&newDataSetWriter->identifier, writerIdentifier);
    return res;
}

UA_StatusCode
UA_DataSetWriter_remove(UA_Server *server, UA_WriterGroup *linkedWriterGroup,
                        UA_DataSetWriter *dataSetWriter) {
    /* Frozen? */
    if(linkedWriterGroup->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Remove DataSetWriter failed. WriterGroup is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    /* Remove from information model */
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    removeDataSetWriterRepresentation(server, dataSetWriter);
#endif

    /* Remove DataSetWriter from group */
    UA_DataSetWriter_clear(server, dataSetWriter);
    LIST_REMOVE(dataSetWriter, listEntry);
    linkedWriterGroup->writersCount--;
    UA_free(dataSetWriter);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_removeDataSetWriter(UA_Server *server, const UA_NodeId dsw) {
    UA_DataSetWriter *dataSetWriter = UA_DataSetWriter_findDSWbyId(server, dsw);
    if(!dataSetWriter)
        return UA_STATUSCODE_BADNOTFOUND;

    if(dataSetWriter->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Remove DataSetWriter failed. DataSetWriter is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    UA_WriterGroup *linkedWriterGroup =
        UA_WriterGroup_findWGbyId(server, dataSetWriter->linkedWriterGroup);
    if(!linkedWriterGroup)
        return UA_STATUSCODE_BADNOTFOUND;

    return UA_DataSetWriter_remove(server, linkedWriterGroup, dataSetWriter);
}

/**********************************************/
/*                DataSetField                */
/**********************************************/

static void
UA_DataSetField_clear(UA_DataSetField *field) {
    UA_DataSetFieldConfig_clear(&field->config);
    UA_NodeId_clear(&field->identifier);
    UA_NodeId_clear(&field->publishedDataSet);
    UA_FieldMetaData_clear(&field->fieldMetaData);
}

UA_StatusCode
UA_DataSetFieldConfig_copy(const UA_DataSetFieldConfig *src,
                           UA_DataSetFieldConfig *dst) {
    if(src->dataSetFieldType != UA_PUBSUB_DATASETFIELD_VARIABLE)
        return UA_STATUSCODE_BADNOTSUPPORTED;
    memcpy(dst, src, sizeof(UA_DataSetFieldConfig));
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    res |= UA_String_copy(&src->field.variable.fieldNameAlias,
                          &dst->field.variable.fieldNameAlias);
    res |= UA_PublishedVariableDataType_copy(&src->field.variable.publishParameters,
                                             &dst->field.variable.publishParameters);
    if(res != UA_STATUSCODE_GOOD)
        UA_DataSetFieldConfig_clear(dst);
    return res;
}

UA_StatusCode
UA_Server_getDataSetFieldConfig(UA_Server *server, const UA_NodeId dsf,
                                UA_DataSetFieldConfig *config) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_DataSetField *currentDataSetField = UA_DataSetField_findDSFbyId(server, dsf);
    if(!currentDataSetField)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_DataSetFieldConfig_copy(&currentDataSetField->config, config);
}

UA_DataSetField *
UA_DataSetField_findDSFbyId(UA_Server *server, UA_NodeId identifier) {
    UA_PublishedDataSet *tmpPDS;
    TAILQ_FOREACH(tmpPDS, &server->pubSubManager.publishedDataSets, listEntry) {
        UA_DataSetField *tmpField;
        TAILQ_FOREACH(tmpField, &tmpPDS->fields, listEntry) {
            if(UA_NodeId_equal(&tmpField->identifier, &identifier))
                return tmpField;
        }
    }
    return NULL;
}

void
UA_DataSetFieldConfig_clear(UA_DataSetFieldConfig *dataSetFieldConfig) {
    if(dataSetFieldConfig->dataSetFieldType == UA_PUBSUB_DATASETFIELD_VARIABLE) {
        UA_String_clear(&dataSetFieldConfig->field.variable.fieldNameAlias);
        UA_PublishedVariableDataType_clear(&dataSetFieldConfig->field.variable.publishParameters);
    }
}

/*********************************************************/
/*               PublishValues handling                  */
/*********************************************************/

/* Compare two variants. Internally used for value change detection. */
#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
static UA_Boolean
valueChangedVariant(UA_Variant *oldValue, UA_Variant *newValue) {
    if(!oldValue || !newValue)
        return false;

    size_t oldValueEncodingSize = UA_calcSizeBinary(oldValue, &UA_TYPES[UA_TYPES_VARIANT]);
    size_t newValueEncodingSize = UA_calcSizeBinary(newValue, &UA_TYPES[UA_TYPES_VARIANT]);
    if(oldValueEncodingSize == 0 || newValueEncodingSize == 0)
        return false;

    if(oldValueEncodingSize != newValueEncodingSize)
        return true;

    UA_ByteString oldValueEncoding = {0};
    UA_StatusCode res = UA_ByteString_allocBuffer(&oldValueEncoding, oldValueEncodingSize);
    if(res != UA_STATUSCODE_GOOD)
        return false;

    UA_ByteString newValueEncoding = {0};
    res = UA_ByteString_allocBuffer(&newValueEncoding, newValueEncodingSize);
    if(res != UA_STATUSCODE_GOOD) {
        UA_ByteString_clear(&oldValueEncoding);
        return false;
    }

    UA_Byte *bufPosOldValue = oldValueEncoding.data;
    const UA_Byte *bufEndOldValue = &oldValueEncoding.data[oldValueEncoding.length];
    UA_Byte *bufPosNewValue = newValueEncoding.data;
    const UA_Byte *bufEndNewValue = &newValueEncoding.data[newValueEncoding.length];

    UA_Boolean compareResult = false; /* default */

    res = UA_encodeBinaryInternal(oldValue, &UA_TYPES[UA_TYPES_VARIANT],
                                  &bufPosOldValue, &bufEndOldValue, NULL, NULL);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;

    res = UA_encodeBinaryInternal(newValue, &UA_TYPES[UA_TYPES_VARIANT],
                                  &bufPosNewValue, &bufEndNewValue, NULL, NULL);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;

    oldValueEncoding.length = (uintptr_t)bufPosOldValue - (uintptr_t)oldValueEncoding.data;
    newValueEncoding.length = (uintptr_t)bufPosNewValue - (uintptr_t)newValueEncoding.data;
    compareResult = !UA_ByteString_equal(&oldValueEncoding, &newValueEncoding);

 cleanup:
    UA_ByteString_clear(&oldValueEncoding);
    UA_ByteString_clear(&newValueEncoding);
    return compareResult;
}
#endif

/* Obtain the latest value for a specific DataSetField. This method is currently
 * called inside the DataSetMessage generation process. */
static void
UA_PubSubDataSetField_sampleValue(UA_Server *server, UA_DataSetField *field,
                                  UA_DataValue *value) {
    UA_PublishedVariableDataType *params = &field->config.field.variable.publishParameters;

    /* Read the value */
    if(field->config.field.variable.rtValueSource.rtInformationModelNode) {
        const UA_VariableNode *rtNode = (const UA_VariableNode *)
            UA_NODESTORE_GET(server, &params->publishedVariable);
        *value = **rtNode->valueBackend.backend.external.value;
        value->value.storageType = UA_VARIANT_DATA_NODELETE;
        UA_NODESTORE_RELEASE(server, (const UA_Node *) rtNode);
    } else if(field->config.field.variable.rtValueSource.rtFieldSourceEnabled == UA_FALSE){
        UA_ReadValueId rvid;
        UA_ReadValueId_init(&rvid);
        rvid.nodeId = params->publishedVariable;
        rvid.attributeId = params->attributeId;
        rvid.indexRange = params->indexRange;
        *value = UA_Server_read(server, &rvid, UA_TIMESTAMPSTORETURN_BOTH);
    } else {
        *value = **field->config.field.variable.rtValueSource.staticValueSource;
        value->value.storageType = UA_VARIANT_DATA_NODELETE;
    }
}

static UA_StatusCode
UA_PubSubDataSetWriter_generateKeyFrameMessage(UA_Server *server,
                                               UA_DataSetMessage *dataSetMessage,
                                               UA_DataSetWriter *dataSetWriter) {
    UA_PublishedDataSet *currentDataSet =
        UA_PublishedDataSet_findPDSbyId(server, dataSetWriter->connectedDataSet);
    if(!currentDataSet)
        return UA_STATUSCODE_BADNOTFOUND;

    /* Prepare DataSetMessageContent */
    dataSetMessage->header.dataSetMessageValid = true;
    dataSetMessage->header.dataSetMessageType = UA_DATASETMESSAGE_DATAKEYFRAME;
    dataSetMessage->data.keyFrameData.fieldCount = currentDataSet->fieldSize;
    dataSetMessage->data.keyFrameData.dataSetFields = (UA_DataValue *)
            UA_Array_new(currentDataSet->fieldSize, &UA_TYPES[UA_TYPES_DATAVALUE]);
    if(!dataSetMessage->data.keyFrameData.dataSetFields)
        return UA_STATUSCODE_BADOUTOFMEMORY;

#ifdef UA_ENABLE_JSON_ENCODING
    dataSetMessage->data.keyFrameData.fieldNames = (UA_String *)
        UA_Array_new(currentDataSet->fieldSize, &UA_TYPES[UA_TYPES_STRING]);
    if(!dataSetMessage->data.keyFrameData.fieldNames) {
        UA_DataSetMessage_clear(dataSetMessage);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
#endif

    /* Loop over the fields */
    size_t counter = 0;
    UA_DataSetField *dsf;
    TAILQ_FOREACH(dsf, &currentDataSet->fields, listEntry) {
#ifdef UA_ENABLE_JSON_ENCODING
        /* Set the field name alias */
        UA_String_copy(&dsf->config.field.variable.fieldNameAlias,
                       &dataSetMessage->data.keyFrameData.fieldNames[counter]);
#endif

        /* Sample the value */
        UA_DataValue *dfv = &dataSetMessage->data.keyFrameData.dataSetFields[counter];
        UA_PubSubDataSetField_sampleValue(server, dsf, dfv);

        /* Deactivate statuscode? */
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_STATUSCODE) == 0)
            dfv->hasStatus = false;

        /* Deactivate timestamps */
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SOURCETIMESTAMP) == 0)
            dfv->hasSourceTimestamp = false;
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SOURCEPICOSECONDS) == 0)
            dfv->hasSourcePicoseconds = false;
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SERVERTIMESTAMP) == 0)
            dfv->hasServerTimestamp = false;
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SERVERPICOSECONDS) == 0)
            dfv->hasServerPicoseconds = false;

#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
        /* Update lastValue store */
        UA_DataValue_clear(&dataSetWriter->lastSamples[counter].value);
        UA_DataValue_copy(dfv, &dataSetWriter->lastSamples[counter].value);
#endif

        counter++;
    }
    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
static UA_StatusCode
UA_PubSubDataSetWriter_generateDeltaFrameMessage(UA_Server *server,
                                                 UA_DataSetMessage *dataSetMessage,
                                                 UA_DataSetWriter *dataSetWriter) {
    UA_PublishedDataSet *currentDataSet =
        UA_PublishedDataSet_findPDSbyId(server, dataSetWriter->connectedDataSet);
    if(!currentDataSet)
        return UA_STATUSCODE_BADNOTFOUND;

    /* Prepare DataSetMessageContent */
    memset(dataSetMessage, 0, sizeof(UA_DataSetMessage));
    dataSetMessage->header.dataSetMessageValid = true;
    dataSetMessage->header.dataSetMessageType = UA_DATASETMESSAGE_DATADELTAFRAME;
    if(currentDataSet->fieldSize == 0)
        return UA_STATUSCODE_GOOD;

    UA_DataSetField *dsf;
    size_t counter = 0;
    TAILQ_FOREACH(dsf, &currentDataSet->fields, listEntry) {
        /* Sample the value */
        UA_DataValue value;
        UA_DataValue_init(&value);
        UA_PubSubDataSetField_sampleValue(server, dsf, &value);

        /* Check if the value has changed */
        UA_DataSetWriterSample *ls = &dataSetWriter->lastSamples[counter];
        if(valueChangedVariant(&ls->value.value, &value.value)) {
            /* increase fieldCount for current delta message */
            dataSetMessage->data.deltaFrameData.fieldCount++;
            ls->valueChanged = true;

            /* Update last stored sample */
            UA_DataValue_clear(&ls->value);
            ls->value = value;
        } else {
            UA_DataValue_clear(&value);
            ls->valueChanged = false;
        }

        counter++;
    }

    /* Allocate DeltaFrameFields */
    UA_DataSetMessage_DeltaFrameField *deltaFields = (UA_DataSetMessage_DeltaFrameField *)
        UA_calloc(dataSetMessage->data.deltaFrameData.fieldCount,
                  sizeof(UA_DataSetMessage_DeltaFrameField));
    if(!deltaFields)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    dataSetMessage->data.deltaFrameData.deltaFrameFields = deltaFields;
    size_t currentDeltaField = 0;
    for(size_t i = 0; i < currentDataSet->fieldSize; i++) {
        if(!dataSetWriter->lastSamples[i].valueChanged)
            continue;

        UA_DataSetMessage_DeltaFrameField *dff = &deltaFields[currentDeltaField];

        dff->fieldIndex = (UA_UInt16) i;
        UA_DataValue_copy(&dataSetWriter->lastSamples[i].value, &dff->fieldValue);
        dataSetWriter->lastSamples[i].valueChanged = false;

        /* Deactivate statuscode? */
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_STATUSCODE) == 0)
            dff->fieldValue.hasStatus = false;

        /* Deactivate timestamps? */
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SOURCETIMESTAMP) == 0)
            dff->fieldValue.hasSourceTimestamp = false;
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SOURCEPICOSECONDS) == 0)
            dff->fieldValue.hasServerPicoseconds = false;
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SERVERTIMESTAMP) == 0)
            dff->fieldValue.hasServerTimestamp = false;
        if(((u64)dataSetWriter->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SERVERPICOSECONDS) == 0)
            dff->fieldValue.hasServerPicoseconds = false;

        currentDeltaField++;
    }
    return UA_STATUSCODE_GOOD;
}
#endif

/* Generate a DataSetMessage for the given writer. */
UA_StatusCode
UA_DataSetWriter_generateDataSetMessage(UA_Server *server,
                                        UA_DataSetMessage *dataSetMessage,
                                        UA_DataSetWriter *dataSetWriter) {
    UA_PublishedDataSet *currentDataSet =
        UA_PublishedDataSet_findPDSbyId(server, dataSetWriter->connectedDataSet);
    if(!currentDataSet)
        return UA_STATUSCODE_BADNOTFOUND;

    /* Reset the message */
    memset(dataSetMessage, 0, sizeof(UA_DataSetMessage));

    /* The configuration Flags are included
     * inside the std. defined UA_UadpDataSetWriterMessageDataType */
    UA_UadpDataSetWriterMessageDataType defaultUadpConfiguration;
    UA_UadpDataSetWriterMessageDataType *dsm = NULL;
    UA_JsonDataSetWriterMessageDataType *jsonDsm = NULL;
    const UA_ExtensionObject *ms = &dataSetWriter->config.messageSettings;
    if((ms->encoding == UA_EXTENSIONOBJECT_DECODED ||
        ms->encoding == UA_EXTENSIONOBJECT_DECODED_NODELETE) &&
       ms->content.decoded.type == &UA_TYPES[UA_TYPES_UADPDATASETWRITERMESSAGEDATATYPE]) {
        dsm = (UA_UadpDataSetWriterMessageDataType*)ms->content.decoded.data; /* type is UADP */
    } else if((ms->encoding == UA_EXTENSIONOBJECT_DECODED ||
               ms->encoding == UA_EXTENSIONOBJECT_DECODED_NODELETE) &&
              ms->content.decoded.type == &UA_TYPES[UA_TYPES_JSONDATASETWRITERMESSAGEDATATYPE]) {
        jsonDsm = (UA_JsonDataSetWriterMessageDataType*)ms->content.decoded.data; /* type is JSON */
    } else {
        /* Create default flag configuration if no
         * UadpDataSetWriterMessageDataType was passed in */
        memset(&defaultUadpConfiguration, 0, sizeof(UA_UadpDataSetWriterMessageDataType));
        defaultUadpConfiguration.dataSetMessageContentMask = (UA_UadpDataSetMessageContentMask)
            ((u64)UA_UADPDATASETMESSAGECONTENTMASK_TIMESTAMP |
             (u64)UA_UADPDATASETMESSAGECONTENTMASK_MAJORVERSION |
             (u64)UA_UADPDATASETMESSAGECONTENTMASK_MINORVERSION);
        dsm = &defaultUadpConfiguration; /* type is UADP */
    }

    /* The field encoding depends on the flags inside the writer config. */
    if(dataSetWriter->config.dataSetFieldContentMask &
       (u64)UA_DATASETFIELDCONTENTMASK_RAWDATA) {
        dataSetMessage->header.fieldEncoding = UA_FIELDENCODING_RAWDATA;
    } else if((u64)dataSetWriter->config.dataSetFieldContentMask &
              ((u64)UA_DATASETFIELDCONTENTMASK_SOURCETIMESTAMP |
               (u64)UA_DATASETFIELDCONTENTMASK_SERVERPICOSECONDS |
               (u64)UA_DATASETFIELDCONTENTMASK_SOURCEPICOSECONDS |
               (u64)UA_DATASETFIELDCONTENTMASK_STATUSCODE)) {
        dataSetMessage->header.fieldEncoding = UA_FIELDENCODING_DATAVALUE;
    } else {
        dataSetMessage->header.fieldEncoding = UA_FIELDENCODING_VARIANT;
    }

    if(dsm) {
        /* Sanity-test the configuration */
        if(dsm->networkMessageNumber != 0 ||
           dsm->dataSetOffset != 0 ||
           dsm->configuredSize != 0) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Static DSM configuration not supported. Using defaults");
            dsm->networkMessageNumber = 0;
            dsm->dataSetOffset = 0;
            dsm->configuredSize = 0;
        }

        /* Std: 'The DataSetMessageContentMask defines the flags for the content
         * of the DataSetMessage header.' */
        if((u64)dsm->dataSetMessageContentMask &
           (u64)UA_UADPDATASETMESSAGECONTENTMASK_MAJORVERSION) {
            dataSetMessage->header.configVersionMajorVersionEnabled = true;
            dataSetMessage->header.configVersionMajorVersion =
                currentDataSet->dataSetMetaData.configurationVersion.majorVersion;
        }
        if((u64)dsm->dataSetMessageContentMask &
           (u64)UA_UADPDATASETMESSAGECONTENTMASK_MINORVERSION) {
            dataSetMessage->header.configVersionMinorVersionEnabled = true;
            dataSetMessage->header.configVersionMinorVersion =
                currentDataSet->dataSetMetaData.configurationVersion.minorVersion;
        }

        if((u64)dsm->dataSetMessageContentMask &
           (u64)UA_UADPDATASETMESSAGECONTENTMASK_SEQUENCENUMBER) {
            dataSetMessage->header.dataSetMessageSequenceNrEnabled = true;
            dataSetMessage->header.dataSetMessageSequenceNr =
                dataSetWriter->actualDataSetMessageSequenceCount;
        }

        if((u64)dsm->dataSetMessageContentMask &
           (u64)UA_UADPDATASETMESSAGECONTENTMASK_TIMESTAMP) {
            dataSetMessage->header.timestampEnabled = true;
            dataSetMessage->header.timestamp = UA_DateTime_now();
        }

        /* TODO: Picoseconds resolution not supported atm */
        if((u64)dsm->dataSetMessageContentMask &
           (u64)UA_UADPDATASETMESSAGECONTENTMASK_PICOSECONDS) {
            dataSetMessage->header.picoSecondsIncluded = false;
        }

        /* TODO: Statuscode not supported yet */
        if((u64)dsm->dataSetMessageContentMask &
           (u64)UA_UADPDATASETMESSAGECONTENTMASK_STATUS) {
            dataSetMessage->header.statusEnabled = true;
        }
    } else if(jsonDsm) {
        if((u64)jsonDsm->dataSetMessageContentMask &
           (u64)UA_JSONDATASETMESSAGECONTENTMASK_METADATAVERSION) {
            dataSetMessage->header.configVersionMajorVersionEnabled = true;
            dataSetMessage->header.configVersionMajorVersion =
                currentDataSet->dataSetMetaData.configurationVersion.majorVersion;
        }
        if((u64)jsonDsm->dataSetMessageContentMask &
           (u64)UA_JSONDATASETMESSAGECONTENTMASK_METADATAVERSION) {
            dataSetMessage->header.configVersionMinorVersionEnabled = true;
            dataSetMessage->header.configVersionMinorVersion =
                currentDataSet->dataSetMetaData.configurationVersion.minorVersion;
        }

        if((u64)jsonDsm->dataSetMessageContentMask &
           (u64)UA_JSONDATASETMESSAGECONTENTMASK_SEQUENCENUMBER) {
            dataSetMessage->header.dataSetMessageSequenceNrEnabled = true;
            dataSetMessage->header.dataSetMessageSequenceNr =
                dataSetWriter->actualDataSetMessageSequenceCount;
        }

        if((u64)jsonDsm->dataSetMessageContentMask &
           (u64)UA_JSONDATASETMESSAGECONTENTMASK_TIMESTAMP) {
            dataSetMessage->header.timestampEnabled = true;
            dataSetMessage->header.timestamp = UA_DateTime_now();
        }

        /* TODO: Statuscode not supported yet */
        if((u64)jsonDsm->dataSetMessageContentMask &
           (u64)UA_JSONDATASETMESSAGECONTENTMASK_STATUS) {
            dataSetMessage->header.statusEnabled = true;
        }
    }

    /* Set the sequence count. Automatically rolls over to zero */
    dataSetWriter->actualDataSetMessageSequenceCount++;

    /* JSON does not differ between deltaframes and keyframes, only keyframes
     * are currently used. */
    if(dsm) {
#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
        /* Check if the PublishedDataSet version has changed -> if yes flush the
         * lastValue store and send a KeyFrame */
    if(dataSetWriter->connectedDataSetVersion.majorVersion !=
       currentDataSet->dataSetMetaData.configurationVersion.majorVersion ||
       dataSetWriter->connectedDataSetVersion.minorVersion !=
       currentDataSet->dataSetMetaData.configurationVersion.minorVersion) {
        /* Remove old samples */
        for(size_t i = 0; i < dataSetWriter->lastSamplesCount; i++)
            UA_DataValue_clear(&dataSetWriter->lastSamples[i].value);

        /* Realloc PDS dependent memory */
        dataSetWriter->lastSamplesCount = currentDataSet->fieldSize;
        UA_DataSetWriterSample *newSamplesArray = (UA_DataSetWriterSample * )
            UA_realloc(dataSetWriter->lastSamples,
                       sizeof(UA_DataSetWriterSample) * dataSetWriter->lastSamplesCount);
        if(!newSamplesArray)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        dataSetWriter->lastSamples = newSamplesArray;
        memset(dataSetWriter->lastSamples, 0,
               sizeof(UA_DataSetWriterSample) * dataSetWriter->lastSamplesCount);

        dataSetWriter->connectedDataSetVersion =
            currentDataSet->dataSetMetaData.configurationVersion;
        UA_PubSubDataSetWriter_generateKeyFrameMessage(server, dataSetMessage,
                                                       dataSetWriter);
        dataSetWriter->deltaFrameCounter = 0;
        return UA_STATUSCODE_GOOD;
    }

    /* The standard defines: if a PDS contains only one fields no delta messages
     * should be generated because they need more memory than a keyframe with 1
     * field. */
    if(currentDataSet->fieldSize > 1 && dataSetWriter->deltaFrameCounter > 0 &&
       dataSetWriter->deltaFrameCounter <= dataSetWriter->config.keyFrameCount) {
        UA_PubSubDataSetWriter_generateDeltaFrameMessage(server, dataSetMessage,
                                                         dataSetWriter);
        dataSetWriter->deltaFrameCounter++;
        return UA_STATUSCODE_GOOD;
    }

    dataSetWriter->deltaFrameCounter = 1;
#endif
    }

    return UA_PubSubDataSetWriter_generateKeyFrameMessage(server, dataSetMessage,
                                                          dataSetWriter);
}

#endif /* UA_ENABLE_PUBSUB */

/**** amalgamated original file "/src/pubsub/ua_pubsub_writergroup.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2019 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2019 Fraunhofer IOSB (Author: Julius Pfrommer)
 * Copyright (c) 2019 Kalycito Infotech Private Limited
 * Copyright (c) 2020 Yannick Wallerer, Siemens AG
 * Copyright (c) 2020 Thomas Fischer, Siemens AG
 * Copyright (c) 2021 Fraunhofer IOSB (Author: Jan Hermes)
 */


#ifdef UA_ENABLE_PUBSUB /* conditional compilation */


#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
#endif

#define UA_MAX_STACKBUF 128 /* Max size of network messages on the stack */

static void
UA_WriterGroup_clear(UA_Server *server, UA_WriterGroup *writerGroup);

static UA_StatusCode
generateNetworkMessage(UA_PubSubConnection *connection, UA_WriterGroup *wg,
                       UA_DataSetMessage *dsm, UA_UInt16 *writerIds, UA_Byte dsmCount,
                       UA_ExtensionObject *messageSettings,
                       UA_ExtensionObject *transportSettings,
                       UA_NetworkMessage *networkMessage);

UA_StatusCode
UA_Server_addWriterGroup(UA_Server *server, const UA_NodeId connection,
                         const UA_WriterGroupConfig *writerGroupConfig,
                         UA_NodeId *writerGroupIdentifier) {
    if(!writerGroupConfig)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    /* Search the connection by the given connectionIdentifier */
    UA_PubSubConnection *currentConnectionContext =
        UA_PubSubConnection_findConnectionbyId(server, connection);
    if(!currentConnectionContext)
        return UA_STATUSCODE_BADNOTFOUND;

    if(currentConnectionContext->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Adding WriterGroup failed. PubSubConnection is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    /* Validate messageSettings type */
    const UA_ExtensionObject *ms = &writerGroupConfig->messageSettings;
    if(ms->content.decoded.type) {
        if(writerGroupConfig->encodingMimeType == UA_PUBSUB_ENCODING_JSON &&
           (ms->encoding != UA_EXTENSIONOBJECT_DECODED ||
            ms->content.decoded.type != &UA_TYPES[UA_TYPES_JSONWRITERGROUPMESSAGEDATATYPE])) {
            return UA_STATUSCODE_BADTYPEMISMATCH;
        }

        if(writerGroupConfig->encodingMimeType == UA_PUBSUB_ENCODING_UADP &&
           (ms->encoding != UA_EXTENSIONOBJECT_DECODED ||
            ms->content.decoded.type != &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE])) {
            return UA_STATUSCODE_BADTYPEMISMATCH;
        }
    }

    /* Allocate new WriterGroup */
    UA_WriterGroup *newWriterGroup = (UA_WriterGroup*)UA_calloc(1, sizeof(UA_WriterGroup));
    if(!newWriterGroup)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    newWriterGroup->componentType = UA_PUBSUB_COMPONENT_WRITERGROUP;
    newWriterGroup->linkedConnection = currentConnectionContext;

    /* Deep copy of the config */
    UA_WriterGroupConfig *newConfig = &newWriterGroup->config;
    UA_StatusCode res = UA_WriterGroupConfig_copy(writerGroupConfig, newConfig);
    if(res != UA_STATUSCODE_GOOD) {
        UA_free(newWriterGroup);
        return res;
    }

    /* Create the datatype value if not present */
    if(!newConfig->messageSettings.content.decoded.type) {
        UA_UadpWriterGroupMessageDataType *wgm = UA_UadpWriterGroupMessageDataType_new();
        newConfig->messageSettings.content.decoded.data = wgm;
        newConfig->messageSettings.content.decoded.type =
            &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE];
        newConfig->messageSettings.encoding = UA_EXTENSIONOBJECT_DECODED;
    }

    /* Attach to the connection */
    LIST_INSERT_HEAD(&currentConnectionContext->writerGroups, newWriterGroup, listEntry);
    currentConnectionContext->writerGroupsSize++;

    /* Add representation / create unique identifier */
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    res = addWriterGroupRepresentation(server, newWriterGroup);
#else
    UA_PubSubManager_generateUniqueNodeId(&server->pubSubManager,
                                          &newWriterGroup->identifier);
#endif
    if(writerGroupIdentifier)
        UA_NodeId_copy(&newWriterGroup->identifier, writerGroupIdentifier);
    return res;
}

UA_StatusCode
UA_Server_removeWriterGroup(UA_Server *server, const UA_NodeId writerGroup) {
    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!wg)
        return UA_STATUSCODE_BADNOTFOUND;

    if(wg->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Delete WriterGroup failed. WriterGroup is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    UA_PubSubConnection *connection = wg->linkedConnection;
    if(!connection)
        return UA_STATUSCODE_BADNOTFOUND;

    if(connection->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Delete WriterGroup failed. PubSubConnection is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    if(wg->state == UA_PUBSUBSTATE_OPERATIONAL) {
        /* Unregister the publish callback */
        if(wg->config.pubsubManagerCallback.removeCustomCallback)
            wg->config.pubsubManagerCallback.
                removeCustomCallback(server, wg->identifier, wg->publishCallbackId);
        else
            UA_PubSubManager_removeRepeatedPubSubCallback(server, wg->publishCallbackId);

    }

    UA_DataSetWriter *dsw, *dsw_tmp;
    LIST_FOREACH_SAFE(dsw, &wg->writers, listEntry, dsw_tmp) {
        UA_DataSetWriter_remove(server, wg, dsw);
    }

    connection->writerGroupsSize--;
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    removeGroupRepresentation(server, wg);
#endif

    UA_WriterGroup_clear(server, wg);
    LIST_REMOVE(wg, listEntry);
    UA_free(wg);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_freezeWriterGroupConfiguration(UA_Server *server,
                                         const UA_NodeId writerGroup) {
    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!wg)
        return UA_STATUSCODE_BADNOTFOUND;

    /* PubSubConnection freezeCounter++ */
    UA_PubSubConnection *pubSubConnection =  wg->linkedConnection;
    pubSubConnection->configurationFreezeCounter++;
    pubSubConnection->configurationFrozen = true;

    /* WriterGroup freeze */
    wg->configurationFrozen = true;

    /* DataSetWriter freeze */
    UA_DataSetWriter *dataSetWriter;
    LIST_FOREACH(dataSetWriter, &wg->writers, listEntry) {
        dataSetWriter->configurationFrozen = true;
        /* PublishedDataSet freezeCounter++ */
        UA_PublishedDataSet *publishedDataSet =
            UA_PublishedDataSet_findPDSbyId(server, dataSetWriter->connectedDataSet);
        publishedDataSet->configurationFreezeCounter++;
        publishedDataSet->configurationFrozen = true;
        /* DataSetFields freeze */
        UA_DataSetField *dataSetField;
        TAILQ_FOREACH(dataSetField, &publishedDataSet->fields, listEntry) {
            dataSetField->configurationFrozen = true;
        }
    }

    if(wg->config.rtLevel != UA_PUBSUB_RT_FIXED_SIZE)
        return UA_STATUSCODE_GOOD;

    /* Freeze the RT writer configuration */
    size_t dsmCount = 0;
    if(wg->config.encodingMimeType != UA_PUBSUB_ENCODING_UADP) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "PubSub-RT configuration fail: Non-RT capable encoding.");
        return UA_STATUSCODE_BADNOTSUPPORTED;
    }

    //TODO Clarify: should we only allow = maxEncapsulatedDataSetMessageCount == 1 with RT?
    //TODO Clarify: Behaviour if the finale size is more than MTU

    /* Generate data set messages  */
    UA_STACKARRAY(UA_UInt16, dsWriterIds, wg->writersCount);
    UA_STACKARRAY(UA_DataSetMessage, dsmStore, wg->writersCount);
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    UA_DataSetWriter *dsw;
    LIST_FOREACH(dsw, &wg->writers, listEntry) {
        /* Find the dataset */
        UA_PublishedDataSet *pds =
            UA_PublishedDataSet_findPDSbyId(server, dsw->connectedDataSet);
        if(!pds) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "PubSub Publish: PublishedDataSet not found");
            continue;
        }
        if(pds->promotedFieldsCount > 0) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "PubSub-RT configuration fail: PDS contains promoted fields.");
            return UA_STATUSCODE_BADNOTSUPPORTED;
        }

        /* Test the DataSetFields */
        UA_DataSetField *dsf;
        TAILQ_FOREACH(dsf, &pds->fields, listEntry) {
            const UA_VariableNode *rtNode = (const UA_VariableNode *)
                UA_NODESTORE_GET(server, &dsf->config.field.variable.publishParameters.publishedVariable);
            if(rtNode != NULL && rtNode->valueBackend.backendType != UA_VALUEBACKENDTYPE_EXTERNAL) {
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "PubSub-RT configuration fail: PDS contains field without external data source.");
                UA_NODESTORE_RELEASE(server, (const UA_Node *) rtNode);
                return UA_STATUSCODE_BADNOTSUPPORTED;
            }
            UA_NODESTORE_RELEASE(server, (const UA_Node *) rtNode);
            if((UA_NodeId_equal(&dsf->fieldMetaData.dataType, &UA_TYPES[UA_TYPES_STRING].typeId) ||
                UA_NodeId_equal(&dsf->fieldMetaData.dataType,
                                &UA_TYPES[UA_TYPES_BYTESTRING].typeId)) &&
               dsf->fieldMetaData.maxStringLength == 0) {
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "PubSub-RT configuration fail: "
                               "PDS contains String/ByteString with dynamic length.");
                return UA_STATUSCODE_BADNOTSUPPORTED;
            } else if(!UA_DataType_isNumeric(UA_findDataType(&dsf->fieldMetaData.dataType)) &&
                      !UA_NodeId_equal(&dsf->fieldMetaData.dataType, &UA_TYPES[UA_TYPES_BOOLEAN].typeId)) {
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "PubSub-RT configuration fail: "
                               "PDS contains variable with dynamic size.");
                return UA_STATUSCODE_BADNOTSUPPORTED;
            }
        }

        /* Generate the DSM */
        res = UA_DataSetWriter_generateDataSetMessage(server, &dsmStore[dsmCount], dsw);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "PubSub RT Offset calculation: DataSetMessage buffering failed");
            continue;
        }

        dsWriterIds[dsmCount] = dsw->config.dataSetWriterId;
        dsmCount++;
    }

    /* Define variables here for goto */
    size_t msgSize;
    UA_ByteString buf;
    UA_NetworkMessage networkMessage;
    const UA_Byte *bufEnd;
    UA_Byte *bufPos;

    if(res != UA_STATUSCODE_GOOD)
        goto cleanup_dsm;

    memset(&networkMessage, 0, sizeof(networkMessage));
    res = generateNetworkMessage(pubSubConnection, wg, dsmStore, dsWriterIds,
                                 (UA_Byte) dsmCount, &wg->config.messageSettings,
                                 &wg->config.transportSettings, &networkMessage);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup_dsm;

    /* Generate the offset-buffer (done inside calcSizeBinary) */
    memset(&wg->bufferedMessage, 0, sizeof(UA_NetworkMessageOffsetBuffer));
    UA_NetworkMessage_calcSizeBinary(&networkMessage, &wg->bufferedMessage);

    /* Allocate the buffer. Allocate on the stack if the buffer is small. */
    msgSize = UA_NetworkMessage_calcSizeBinary(&networkMessage, NULL);
    res = UA_ByteString_allocBuffer(&buf, msgSize);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;
    wg->bufferedMessage.buffer = buf;

    /* Encode the NetworkMessage */
    bufEnd = &wg->bufferedMessage.buffer.data[wg->bufferedMessage.buffer.length];
    bufPos = wg->bufferedMessage.buffer.data;
    UA_NetworkMessage_encodeBinary(&networkMessage, &bufPos, bufEnd, NULL);

 cleanup:
    UA_free(networkMessage.payload.dataSetPayload.sizes);

    /* Clean up DSM */
 cleanup_dsm:
    for(size_t i = 0; i < dsmCount; i++){
        UA_free(dsmStore[i].data.keyFrameData.dataSetFields);
#ifdef UA_ENABLE_JSON_ENCODING
        UA_Array_delete(dsmStore[i].data.keyFrameData.fieldNames,
                        dsmStore[i].data.keyFrameData.fieldCount,
                        &UA_TYPES[UA_TYPES_STRING]);
#endif
    }

    return res;
}

UA_StatusCode
UA_Server_unfreezeWriterGroupConfiguration(UA_Server *server,
                                           const UA_NodeId writerGroup) {
    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!wg)
        return UA_STATUSCODE_BADNOTFOUND;
    //if(wg->config.rtLevel == UA_PUBSUB_RT_NONE){
    //    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
    //                   "PubSub configuration freeze without RT configuration has no effect.");
    //    return UA_STATUSCODE_BADCONFIGURATIONERROR;
    //}
    //PubSubConnection freezeCounter--
    UA_PubSubConnection *pubSubConnection =  wg->linkedConnection;
    pubSubConnection->configurationFreezeCounter--;
    if(pubSubConnection->configurationFreezeCounter == 0){
        pubSubConnection->configurationFrozen = UA_FALSE;
    }
    //WriterGroup unfreeze
    wg->configurationFrozen = UA_FALSE;
    //DataSetWriter unfreeze
    UA_DataSetWriter *dataSetWriter;
    LIST_FOREACH(dataSetWriter, &wg->writers, listEntry) {
        UA_PublishedDataSet *publishedDataSet =
            UA_PublishedDataSet_findPDSbyId(server, dataSetWriter->connectedDataSet);
        //PublishedDataSet freezeCounter--
        publishedDataSet->configurationFreezeCounter--;
        if(publishedDataSet->configurationFreezeCounter == 0){
            publishedDataSet->configurationFrozen = UA_FALSE;
            UA_DataSetField *dataSetField;
            TAILQ_FOREACH(dataSetField, &publishedDataSet->fields, listEntry){
                dataSetField->configurationFrozen = UA_FALSE;
            }
        }
        dataSetWriter->configurationFrozen = UA_FALSE;
    }

    UA_NetworkMessageOffsetBuffer_clear(&wg->bufferedMessage);

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_setWriterGroupOperational(UA_Server *server,
                                    const UA_NodeId writerGroup) {
    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!wg)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_WriterGroup_setPubSubState(server, UA_PUBSUBSTATE_OPERATIONAL, wg);
}

UA_StatusCode
UA_Server_setWriterGroupDisabled(UA_Server *server,
                                 const UA_NodeId writerGroup) {
    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!wg)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_WriterGroup_setPubSubState(server, UA_PUBSUBSTATE_DISABLED, wg);
}

UA_StatusCode
UA_WriterGroupConfig_copy(const UA_WriterGroupConfig *src,
                          UA_WriterGroupConfig *dst){
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    memcpy(dst, src, sizeof(UA_WriterGroupConfig));
    res |= UA_String_copy(&src->name, &dst->name);
    res |= UA_ExtensionObject_copy(&src->transportSettings, &dst->transportSettings);
    res |= UA_ExtensionObject_copy(&src->messageSettings, &dst->messageSettings);
    if(src->groupPropertiesSize > 0) {
        dst->groupProperties = (UA_KeyValuePair*)
            UA_calloc(src->groupPropertiesSize, sizeof(UA_KeyValuePair));
        if(!dst->groupProperties)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        for(size_t i = 0; i < src->groupPropertiesSize; i++) {
            res |= UA_KeyValuePair_copy(&src->groupProperties[i], &dst->groupProperties[i]);
        }
    }
    if(res != UA_STATUSCODE_GOOD)
        UA_WriterGroupConfig_clear(dst);
    return res;
}

UA_StatusCode
UA_Server_getWriterGroupConfig(UA_Server *server, const UA_NodeId writerGroup,
                               UA_WriterGroupConfig *config) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_WriterGroup *currentWG = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!currentWG)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_WriterGroupConfig_copy(&currentWG->config, config);
}

UA_StatusCode
UA_Server_updateWriterGroupConfig(UA_Server *server, UA_NodeId writerGroupIdentifier,
                                  const UA_WriterGroupConfig *config){
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_WriterGroup *currentWriterGroup =
        UA_WriterGroup_findWGbyId(server, writerGroupIdentifier);
    if(!currentWriterGroup)
        return UA_STATUSCODE_BADNOTFOUND;

    if(currentWriterGroup->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Modify WriterGroup failed. WriterGroup is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    //The update functionality will be extended during the next PubSub batches.
    //Currently is only a change of the publishing interval possible.
    if(currentWriterGroup->config.maxEncapsulatedDataSetMessageCount != config->maxEncapsulatedDataSetMessageCount) {
        currentWriterGroup->config.maxEncapsulatedDataSetMessageCount = config->maxEncapsulatedDataSetMessageCount;
        if(currentWriterGroup->config.messageSettings.encoding == UA_EXTENSIONOBJECT_ENCODED_NOBODY) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "MaxEncapsulatedDataSetMessag need enabled 'PayloadHeader' within the message settings.");
        }
    }

    if(currentWriterGroup->config.publishingInterval != config->publishingInterval) {
        if(currentWriterGroup->config.rtLevel == UA_PUBSUB_RT_NONE &&
           currentWriterGroup->state == UA_PUBSUBSTATE_OPERATIONAL) {
            if(currentWriterGroup->config.pubsubManagerCallback.removeCustomCallback)
                currentWriterGroup->config.pubsubManagerCallback.
                    removeCustomCallback(server, currentWriterGroup->identifier,
                                         currentWriterGroup->publishCallbackId);
            else
                UA_PubSubManager_removeRepeatedPubSubCallback(server, currentWriterGroup->publishCallbackId);

            currentWriterGroup->config.publishingInterval = config->publishingInterval;
            UA_WriterGroup_addPublishCallback(server, currentWriterGroup);
        } else {
            currentWriterGroup->config.publishingInterval = config->publishingInterval;
        }
    }

    if(currentWriterGroup->config.priority != config->priority) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "No or unsupported WriterGroup update.");
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_WriterGroup_getState(UA_Server *server, UA_NodeId writerGroupIdentifier,
                               UA_PubSubState *state) {
    if((server == NULL) || (state == NULL))
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_WriterGroup *currentWriterGroup =
        UA_WriterGroup_findWGbyId(server, writerGroupIdentifier);
    if(currentWriterGroup == NULL)
        return UA_STATUSCODE_BADNOTFOUND;
    *state = currentWriterGroup->state;
    return UA_STATUSCODE_GOOD;
}

UA_WriterGroup *
UA_WriterGroup_findWGbyId(UA_Server *server, UA_NodeId identifier) {
    UA_PubSubConnection *tmpConnection;
    TAILQ_FOREACH(tmpConnection, &server->pubSubManager.connections, listEntry) {
        UA_WriterGroup *tmpWriterGroup;
        LIST_FOREACH(tmpWriterGroup, &tmpConnection->writerGroups, listEntry) {
            if(UA_NodeId_equal(&identifier, &tmpWriterGroup->identifier))
                return tmpWriterGroup;
        }
    }
    return NULL;
}

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
UA_StatusCode
UA_Server_setWriterGroupEncryptionKeys(UA_Server *server, const UA_NodeId writerGroup,
                                       UA_UInt32 securityTokenId,
                                       const UA_ByteString signingKey,
                                       const UA_ByteString encryptingKey,
                                       const UA_ByteString keyNonce) {
    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, writerGroup);
    if(!wg)
        return UA_STATUSCODE_BADNOTFOUND;

    if(!wg->config.securityPolicy) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "No SecurityPolicy configured for the WriterGroup");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    if(securityTokenId != wg->securityTokenId) {
        wg->securityTokenId = securityTokenId;
        wg->nonceSequenceNumber = 1;
    }

    /* Create a new context */
    if(!wg->securityPolicyContext) {
        return wg->config.securityPolicy->
            newContext(wg->config.securityPolicy->policyContext,
                       &signingKey, &encryptingKey, &keyNonce,
                       &wg->securityPolicyContext);
    }

    /* Update the context */
    return wg->config.securityPolicy->
        setSecurityKeys(wg->securityPolicyContext, &signingKey, &encryptingKey, &keyNonce);
}
#endif

void
UA_WriterGroupConfig_clear(UA_WriterGroupConfig *writerGroupConfig){
    UA_String_clear(&writerGroupConfig->name);
    UA_ExtensionObject_clear(&writerGroupConfig->transportSettings);
    UA_ExtensionObject_clear(&writerGroupConfig->messageSettings);
    UA_Array_delete(writerGroupConfig->groupProperties,
                    writerGroupConfig->groupPropertiesSize,
                    &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);
    writerGroupConfig->groupProperties = NULL;
}

static void
UA_WriterGroup_clear(UA_Server *server, UA_WriterGroup *writerGroup) {
    UA_WriterGroupConfig_clear(&writerGroup->config);
    UA_NodeId_clear(&writerGroup->identifier);

    /* Delete all writers */
    UA_DataSetWriter *dataSetWriter, *tmpDataSetWriter;
    LIST_FOREACH_SAFE(dataSetWriter, &writerGroup->writers, listEntry, tmpDataSetWriter){
        UA_Server_removeDataSetWriter(server, dataSetWriter->identifier);
    }

    UA_NetworkMessageOffsetBuffer_clear(&writerGroup->bufferedMessage);

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    if(writerGroup->config.securityPolicy && writerGroup->securityPolicyContext) {
        writerGroup->config.securityPolicy->deleteContext(writerGroup->securityPolicyContext);
        writerGroup->securityPolicyContext = NULL;
    }
#endif
}

UA_StatusCode
UA_WriterGroup_setPubSubState(UA_Server *server, UA_PubSubState state,
                              UA_WriterGroup *writerGroup) {
    UA_DataSetWriter *dataSetWriter;
    switch(state) {
        case UA_PUBSUBSTATE_DISABLED:
            switch (writerGroup->state){
                case UA_PUBSUBSTATE_DISABLED:
                    return UA_STATUSCODE_GOOD;
                case UA_PUBSUBSTATE_PAUSED:
                    break;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    if(writerGroup->config.pubsubManagerCallback.removeCustomCallback)
                        writerGroup->config.pubsubManagerCallback.
                            removeCustomCallback(server, writerGroup->identifier, writerGroup->publishCallbackId);
                    else
                        UA_PubSubManager_removeRepeatedPubSubCallback(server, writerGroup->publishCallbackId);

                    LIST_FOREACH(dataSetWriter, &writerGroup->writers, listEntry){
                        UA_DataSetWriter_setPubSubState(server, UA_PUBSUBSTATE_DISABLED, dataSetWriter);
                    }
                    writerGroup->state = UA_PUBSUBSTATE_DISABLED;
                    break;
                case UA_PUBSUBSTATE_ERROR:
                    break;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Received unknown PubSub state!");
            }
            break;
        case UA_PUBSUBSTATE_PAUSED:
            switch (writerGroup->state) {
                case UA_PUBSUBSTATE_DISABLED:
                    break;
                case UA_PUBSUBSTATE_PAUSED:
                    return UA_STATUSCODE_GOOD;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    break;
                case UA_PUBSUBSTATE_ERROR:
                    break;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Received unknown PubSub state!");
            }
            break;
        case UA_PUBSUBSTATE_OPERATIONAL:
            switch (writerGroup->state) {
                case UA_PUBSUBSTATE_DISABLED:
                    writerGroup->state = UA_PUBSUBSTATE_OPERATIONAL;
                    if(writerGroup->config.pubsubManagerCallback.removeCustomCallback)
                        writerGroup->config.pubsubManagerCallback.
                            removeCustomCallback(server, writerGroup->identifier,
                                                 writerGroup->publishCallbackId);
                    else
                        UA_PubSubManager_removeRepeatedPubSubCallback(server, writerGroup->publishCallbackId);

                    LIST_FOREACH(dataSetWriter, &writerGroup->writers, listEntry){
                        UA_DataSetWriter_setPubSubState(server, UA_PUBSUBSTATE_OPERATIONAL,
                                                        dataSetWriter);
                    }
                    UA_WriterGroup_addPublishCallback(server, writerGroup);
                    break;
                case UA_PUBSUBSTATE_PAUSED:
                    break;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    return UA_STATUSCODE_GOOD;
                case UA_PUBSUBSTATE_ERROR:
                    break;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Received unknown PubSub state!");
            }
            break;
        case UA_PUBSUBSTATE_ERROR: {
            switch (writerGroup->state){
                case UA_PUBSUBSTATE_DISABLED:
                    break;
                case UA_PUBSUBSTATE_PAUSED:
                    break;
                case UA_PUBSUBSTATE_OPERATIONAL:
                    UA_PubSubManager_removeRepeatedPubSubCallback(server, writerGroup->publishCallbackId);
                    LIST_FOREACH(dataSetWriter, &writerGroup->writers, listEntry){
                        UA_DataSetWriter_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dataSetWriter);
                    }
                    break;
                case UA_PUBSUBSTATE_ERROR:
                    return UA_STATUSCODE_GOOD;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                    "Received unknown PubSub state!");
            }
            writerGroup->state = UA_PUBSUBSTATE_ERROR;
            /* TODO: WIP - example usage of pubsubStateChangeCallback -> inform
             * application about error state, reason param necessary */
            UA_ServerConfig *pConfig = UA_Server_getConfig(server);
            if(pConfig->pubSubConfig.stateChangeCallback != 0) {
                pConfig->pubSubConfig.
                    stateChangeCallback(&writerGroup->identifier, UA_PUBSUBSTATE_ERROR,
                                        UA_STATUSCODE_BADINTERNALERROR);
            }
            break;
        }
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Received unknown PubSub state!");
    }
    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
static UA_StatusCode
encryptAndSign(UA_WriterGroup *wg, const UA_NetworkMessage *nm,
               UA_Byte *signStart, UA_Byte *encryptStart,
               UA_Byte *msgEnd) {
    UA_StatusCode rv;
    void *channelContext = wg->securityPolicyContext;

    if(nm->securityHeader.networkMessageEncrypted) {
        /* Set the temporary MessageNonce in the SecurityPolicy */
        rv = wg->config.securityPolicy->setMessageNonce(channelContext,
                                                        &nm->securityHeader.messageNonce);
        UA_CHECK_STATUS(rv, return rv);

        /* The encryption is done in-place, no need to encode again */
        UA_ByteString toBeEncrypted =
            {(uintptr_t)msgEnd - (uintptr_t)encryptStart, encryptStart};
        rv = wg->config.securityPolicy->symmetricModule.cryptoModule.encryptionAlgorithm.
            encrypt(channelContext, &toBeEncrypted);
        UA_CHECK_STATUS(rv, return rv);
    }

    if(nm->securityHeader.networkMessageSigned) {
        UA_ByteString toBeSigned = {(uintptr_t)msgEnd - (uintptr_t)signStart,
                                    signStart};

        size_t sigSize = wg->config.securityPolicy->symmetricModule.cryptoModule.
            signatureAlgorithm.getLocalSignatureSize(channelContext);
        UA_ByteString signature = {sigSize, msgEnd};

        rv = wg->config.securityPolicy->symmetricModule.cryptoModule.
            signatureAlgorithm.sign(channelContext, &toBeSigned, &signature);
        UA_CHECK_STATUS(rv, return rv);
    }
    return UA_STATUSCODE_GOOD;
}
#endif

static UA_StatusCode
encodeNetworkMessage(UA_WriterGroup *wg, UA_NetworkMessage *nm,
                     UA_ByteString *buf) {
    UA_Byte *bufPos = buf->data;
    UA_Byte *bufEnd = &buf->data[buf->length];

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    UA_Byte *networkMessageStart = bufPos;
#endif
    UA_StatusCode rv = UA_NetworkMessage_encodeHeaders(nm, &bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    UA_Byte *payloadStart = bufPos;
#endif
    rv = UA_NetworkMessage_encodePayload(nm, &bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

    rv = UA_NetworkMessage_encodeFooters(nm, &bufPos, bufEnd);
    UA_CHECK_STATUS(rv, return rv);

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    /* Encrypt and Sign the message */
    UA_Byte *footerEnd = bufPos;
    rv = encryptAndSign(wg, nm, networkMessageStart, payloadStart, footerEnd);
    UA_CHECK_STATUS(rv, return rv);
#endif

    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_JSON_ENCODING
static UA_StatusCode
sendNetworkMessageJson(UA_PubSubConnection *connection, UA_WriterGroup *wg,
                       UA_DataSetMessage *dsm, UA_UInt16 *writerIds, UA_Byte dsmCount) {
    /* Prepare the NetworkMessage */
    UA_NetworkMessage nm;
    memset(&nm, 0, sizeof(UA_NetworkMessage));
    nm.version = 1;
    nm.networkMessageType = UA_NETWORKMESSAGE_DATASET;
    nm.payloadHeaderEnabled = true;
    nm.payloadHeader.dataSetPayloadHeader.count = dsmCount;
    nm.payloadHeader.dataSetPayloadHeader.dataSetWriterIds = writerIds;
    nm.payload.dataSetPayload.dataSetMessages = dsm;

    /* Compute the message length */
    size_t msgSize = UA_NetworkMessage_calcSizeJson(&nm, NULL, 0, NULL, 0, true);

    /* Allocate the buffer. Allocate on the stack if the buffer is small. */
    UA_ByteString buf;
    UA_Byte stackBuf[UA_MAX_STACKBUF];
    buf.data = stackBuf;
    buf.length = msgSize;
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    if(msgSize > UA_MAX_STACKBUF) {
        res = UA_ByteString_allocBuffer(&buf, msgSize);
        if(res != UA_STATUSCODE_GOOD)
            return res;
    }

    /* Encode the message */
    UA_Byte *bufPos = buf.data;
    const UA_Byte *bufEnd = &buf.data[msgSize];
    res = UA_NetworkMessage_encodeJson(&nm, &bufPos, &bufEnd, NULL, 0, NULL, 0, true);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;
    UA_assert(bufPos == bufEnd);

    /* Send the prepared messages */
    res = connection->channel->send(connection->channel,
                                    &wg->config.transportSettings, &buf);

 cleanup:
    if(msgSize > UA_MAX_STACKBUF)
        UA_ByteString_clear(&buf);
    return res;
}
#endif

static UA_StatusCode
generateNetworkMessage(UA_PubSubConnection *connection, UA_WriterGroup *wg,
                       UA_DataSetMessage *dsm, UA_UInt16 *writerIds, UA_Byte dsmCount,
                       UA_ExtensionObject *messageSettings,
                       UA_ExtensionObject *transportSettings,
                       UA_NetworkMessage *networkMessage) {
    if(messageSettings->content.decoded.type !=
       &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE])
        return UA_STATUSCODE_BADINTERNALERROR;
    UA_UadpWriterGroupMessageDataType *wgm = (UA_UadpWriterGroupMessageDataType*)
            messageSettings->content.decoded.data;

    networkMessage->publisherIdEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PUBLISHERID) != 0;
    networkMessage->groupHeaderEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_GROUPHEADER) != 0;
    networkMessage->groupHeader.writerGroupIdEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_WRITERGROUPID) != 0;
    networkMessage->groupHeader.groupVersionEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_GROUPVERSION) != 0;
    networkMessage->groupHeader.networkMessageNumberEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_NETWORKMESSAGENUMBER) != 0;
    networkMessage->groupHeader.sequenceNumberEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_SEQUENCENUMBER) != 0;
    networkMessage->payloadHeaderEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PAYLOADHEADER) != 0;
    networkMessage->timestampEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_TIMESTAMP) != 0;
    networkMessage->picosecondsEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PICOSECONDS) != 0;
    networkMessage->dataSetClassIdEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_DATASETCLASSID) != 0;
    networkMessage->promotedFieldsEnabled =
        ((u64)wgm->networkMessageContentMask &
         (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PROMOTEDFIELDS) != 0;

    /* Set the SecurityHeader */
#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    if(wg->config.securityMode > UA_MESSAGESECURITYMODE_NONE) {
        networkMessage->securityEnabled = true;
        networkMessage->securityHeader.networkMessageSigned = true;
        if(wg->config.securityMode >= UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
            networkMessage->securityHeader.networkMessageEncrypted = true;
        networkMessage->securityHeader.securityTokenId = wg->securityTokenId;

        /* Generate the MessageNonce */
        UA_ByteString_allocBuffer(&networkMessage->securityHeader.messageNonce, 8);
        if(networkMessage->securityHeader.messageNonce.length == 0)
            return UA_STATUSCODE_BADOUTOFMEMORY;

        networkMessage->securityHeader.messageNonce.length = 4; /* Generate 4 random bytes */
        UA_StatusCode rv = wg->config.securityPolicy->symmetricModule.
            generateNonce(wg->config.securityPolicy->policyContext,
                          &networkMessage->securityHeader.messageNonce);
        if(rv != UA_STATUSCODE_GOOD)
            return rv;
        networkMessage->securityHeader.messageNonce.length = 8;
        UA_Byte *pos = &networkMessage->securityHeader.messageNonce.data[4];
        const UA_Byte *end = &networkMessage->securityHeader.messageNonce.data[8];
        UA_UInt32_encodeBinary(&wg->nonceSequenceNumber, &pos, end);
    }
#endif

    networkMessage->version = 1;
    networkMessage->networkMessageType = UA_NETWORKMESSAGE_DATASET;
    if(connection->config->publisherIdType == UA_PUBSUB_PUBLISHERID_NUMERIC) {
        networkMessage->publisherIdType = UA_PUBLISHERDATATYPE_UINT16;
        networkMessage->publisherId.publisherIdUInt32 =
            connection->config->publisherId.numeric;
    } else if(connection->config->publisherIdType == UA_PUBSUB_PUBLISHERID_STRING) {
        networkMessage->publisherIdType = UA_PUBLISHERDATATYPE_STRING;
        networkMessage->publisherId.publisherIdString =
            connection->config->publisherId.string;
    }

    if(networkMessage->groupHeader.sequenceNumberEnabled)
        networkMessage->groupHeader.sequenceNumber = wg->sequenceNumber;

    if(networkMessage->groupHeader.groupVersionEnabled)
        networkMessage->groupHeader.groupVersion = wgm->groupVersion;

    /* Compute the length of the dsm separately for the header */
    UA_UInt16 *dsmLengths = (UA_UInt16 *) UA_calloc(dsmCount, sizeof(UA_UInt16));
    if(!dsmLengths)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    for(UA_Byte i = 0; i < dsmCount; i++)
        dsmLengths[i] = (UA_UInt16) UA_DataSetMessage_calcSizeBinary(&dsm[i], NULL, 0);

    networkMessage->payloadHeader.dataSetPayloadHeader.count = dsmCount;
    networkMessage->payloadHeader.dataSetPayloadHeader.dataSetWriterIds = writerIds;
    networkMessage->groupHeader.writerGroupId = wg->config.writerGroupId;
    /* number of the NetworkMessage inside a PublishingInterval */
    networkMessage->groupHeader.networkMessageNumber = 1;
    networkMessage->payload.dataSetPayload.sizes = dsmLengths;
    networkMessage->payload.dataSetPayload.dataSetMessages = dsm;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
sendNetworkMessageBinary(UA_PubSubConnection *connection, UA_WriterGroup *wg,
                         UA_DataSetMessage *dsm, UA_UInt16 *writerIds, UA_Byte dsmCount) {
    UA_NetworkMessage nm;
    memset(&nm, 0, sizeof(UA_NetworkMessage));

    /* Fill the message structure */
    UA_StatusCode rv =
        generateNetworkMessage(connection, wg, dsm, writerIds, dsmCount,
                               &wg->config.messageSettings,
                               &wg->config.transportSettings, &nm);
    UA_CHECK_STATUS(rv, return rv);

    /* Compute the message size. Add the overhead for the security signature.
     * There is no padding and the encryption incurs no size overhead. */
    size_t msgSize = UA_NetworkMessage_calcSizeBinary(&nm, NULL);
#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    if(wg->config.securityMode > UA_MESSAGESECURITYMODE_NONE) {
        UA_PubSubSecurityPolicy *sp = wg->config.securityPolicy;
        msgSize += sp->symmetricModule.cryptoModule.
            signatureAlgorithm.getLocalSignatureSize(sp->policyContext);
    }
#endif

    /* Allocate the buffer. Allocate on the stack if the buffer is small. */
    UA_ByteString buf;
    UA_Byte stackBuf[UA_MAX_STACKBUF];
    buf.data = stackBuf;
    buf.length = msgSize;
    if(msgSize > UA_MAX_STACKBUF) {
        rv = UA_ByteString_allocBuffer(&buf, msgSize);
        UA_CHECK_STATUS(rv, goto cleanup);
    }

    /* Encode and encrypt the message */
    rv = encodeNetworkMessage(wg, &nm, &buf);
    UA_CHECK_STATUS(rv, goto cleanup_with_msg_size);

    /* Send out the message */
    rv = connection->channel->send(connection->channel,
                                   &wg->config.transportSettings, &buf);
    UA_CHECK_STATUS(rv, goto cleanup_with_msg_size);

cleanup_with_msg_size:
    if(msgSize > UA_MAX_STACKBUF) {
        UA_ByteString_clear(&buf);
    }
cleanup:
    UA_ByteString_clear(&nm.securityHeader.messageNonce);
    UA_free(nm.payload.dataSetPayload.sizes);
    return rv;
}

static void
sendNetworkMessage(UA_Server *server, UA_WriterGroup *wg, UA_PubSubConnection *connection,
                   UA_DataSetMessage *dsm, UA_UInt16 *writerIds, UA_Byte dsmCount) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    switch(wg->config.encodingMimeType) {
    case UA_PUBSUB_ENCODING_UADP:
        res = sendNetworkMessageBinary(connection, wg, dsm, writerIds, dsmCount);
        break;
#ifdef UA_ENABLE_JSON_ENCODING
    case UA_PUBSUB_ENCODING_JSON:
        res = sendNetworkMessageJson(connection, wg, dsm, writerIds, dsmCount);
        break;
#endif
    default:
        res = UA_STATUSCODE_BADNOTSUPPORTED;
        break;
    }

    /* If sending failed, disable all writer of the writergroup */
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub Publish: Could not send a NetworkMessage "
                     "with status code %s", UA_StatusCode_name(res));
        UA_DataSetWriter *dsw;
        LIST_FOREACH(dsw, &wg->writers, listEntry) {
            UA_DataSetWriter_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dsw);
        }
        return;
    }

    /* Increase the sequence number */
    wg->sequenceNumber++;
}

static void
sendBufferedNetworkMessage(UA_Server *server, UA_WriterGroup *wg,
                           UA_PubSubConnection *connection) {
    UA_NetworkMessageOffsetBuffer *buf = &wg->bufferedMessage;
    UA_StatusCode res = UA_NetworkMessage_updateBufferedMessage(buf);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub sending failed - could not update the message");
        UA_WriterGroup_setPubSubState(server, UA_PUBSUBSTATE_ERROR, wg);
        return;
    }

    res = connection->channel->send(connection->channel,
                                    &wg->config.transportSettings, &buf->buffer);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Publish failed. RT fixed size. sendBufferedNetworkMessage failed");
        UA_WriterGroup_setPubSubState(server, UA_PUBSUBSTATE_ERROR, wg);
        return;
    }

    /* Sending successful - increase the sequence number */
    wg->sequenceNumber++;
}

/* This callback triggers the collection and publish of NetworkMessages and the
 * contained DataSetMessages. */
void
UA_WriterGroup_publishCallback(UA_Server *server, UA_WriterGroup *writerGroup) {
    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER, "Publish Callback");

    // TODO: review if its okay to force correct value from caller side instead
    // UA_assert(writerGroup != NULL);
    // UA_assert(server != NULL);

    if(!writerGroup) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Publish failed. WriterGroup not found");
        return;
    }

    /* Nothing to do? */
    if(writerGroup->writersCount == 0)
        return;

    /* Find the connection associated with the writer */
    UA_PubSubConnection *connection = writerGroup->linkedConnection;
    if(!connection) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Publish failed. PubSubConnection invalid.");
        UA_WriterGroup_setPubSubState(server, UA_PUBSUBSTATE_ERROR, writerGroup);
        return;
    }

    /* Realtime path - update the buffer message and send directly */
    if(writerGroup->config.rtLevel == UA_PUBSUB_RT_FIXED_SIZE) {
        sendBufferedNetworkMessage(server, writerGroup, connection);
        return;
    }

    /* How many DSM can be sent in one NM? */
    UA_Byte maxDSM = (UA_Byte)writerGroup->config.maxEncapsulatedDataSetMessageCount;
    if(writerGroup->config.maxEncapsulatedDataSetMessageCount > UA_BYTE_MAX)
        maxDSM = UA_BYTE_MAX;

    /* If the maxEncapsulatedDataSetMessageCount is set to 0 -> 1 */
    if(maxDSM == 0)
        maxDSM = 1;

    /* It is possible to put several DataSetMessages into one NetworkMessage.
     * But only if they do not contain promoted fields. NM with promoted fields
     * are sent out right away. The others are kept in a buffer for
     * "batching". */
    size_t dsmCount = 0;
    UA_STACKARRAY(UA_UInt16, dsWriterIds, writerGroup->writersCount);
    UA_STACKARRAY(UA_DataSetMessage, dsmStore, writerGroup->writersCount);

    UA_DataSetWriter *dsw;
    LIST_FOREACH(dsw, &writerGroup->writers, listEntry) {
        if(dsw->state != UA_PUBSUBSTATE_OPERATIONAL)
            continue;

        /* Find the dataset */
        UA_PublishedDataSet *pds =
            UA_PublishedDataSet_findPDSbyId(server, dsw->connectedDataSet);
        if(!pds) {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "PubSub Publish: PublishedDataSet not found");
            UA_DataSetWriter_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dsw);
            continue;
        }

        /* Generate the DSM */
        dsWriterIds[dsmCount] = dsw->config.dataSetWriterId;
        UA_StatusCode res =
            UA_DataSetWriter_generateDataSetMessage(server, &dsmStore[dsmCount], dsw);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "PubSub Publish: DataSetMessage creation failed");
            UA_DataSetWriter_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dsw);
            continue;
        }

        /* There is no promoted field -> send right away */
        if(pds->promotedFieldsCount > 0) {
            sendNetworkMessage(server, writerGroup, connection, &dsmStore[dsmCount],
                               &dsWriterIds[dsmCount], 1);

            /* Clean up the current store entry */
            if(writerGroup->config.rtLevel == UA_PUBSUB_RT_DIRECT_VALUE_ACCESS) {
                for(size_t i = 0; i < dsmStore[dsmCount].data.keyFrameData.fieldCount; ++i) {
                    dsmStore[dsmCount].data.keyFrameData.dataSetFields[i].value.data = NULL;
                }
            }
            UA_DataSetMessage_clear(&dsmStore[dsmCount]);

            continue; /* Don't increase the dsmCount, reuse the slot */
        }

        dsmCount++;
    }

    /* Send the NetworkMessages with batched DataSetMessages */
    UA_Byte nmDsmCount = 0;
    for(size_t i = 0; i < dsmCount; i += nmDsmCount) {
        /* How many dsm are batched in this iteration? */
        nmDsmCount = (i + maxDSM > dsmCount) ? (UA_Byte)(dsmCount - i) : maxDSM;

        /* Send the batched messages */
        sendNetworkMessage(server, writerGroup, connection, &dsmStore[i],
                           &dsWriterIds[i], nmDsmCount);
    }

    /* Clean up DSM */
    for(size_t i = 0; i < dsmCount; i++) {
        if(writerGroup->config.rtLevel == UA_PUBSUB_RT_DIRECT_VALUE_ACCESS) {
            for(size_t j = 0; j < dsmStore[i].data.keyFrameData.fieldCount; ++j) {
                dsmStore[i].data.keyFrameData.dataSetFields[j].value.data = NULL;
            }
        }
        UA_DataSetMessage_clear(&dsmStore[i]);
    }
}

/* Add new publishCallback. The first execution is triggered directly after
 * creation. */
UA_StatusCode
UA_WriterGroup_addPublishCallback(UA_Server *server, UA_WriterGroup *writerGroup) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(writerGroup->config.pubsubManagerCallback.addCustomCallback)
        retval |= writerGroup->config.pubsubManagerCallback.
            addCustomCallback(server, writerGroup->identifier,
                              (UA_ServerCallback) UA_WriterGroup_publishCallback,
                              writerGroup, writerGroup->config.publishingInterval,
                              NULL,                                        // TODO: Send base time from writer group config
                              UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME,  // TODO: Send timer policy from writer group config
                              &writerGroup->publishCallbackId);
    else
        retval |= UA_PubSubManager_addRepeatedCallback(server,
                     (UA_ServerCallback) UA_WriterGroup_publishCallback,
                     writerGroup, writerGroup->config.publishingInterval,
                     NULL,                                        // TODO: Send base time from writer group config
                     UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME,  // TODO: Send timer policy from writer group config
                     &writerGroup->publishCallbackId);

    if(retval == UA_STATUSCODE_GOOD)
        writerGroup->publishCallbackIsRegistered = true;

    /* Run once after creation */
    UA_WriterGroup_publishCallback(server, writerGroup);
    return retval;
}

#endif /* UA_ENABLE_PUBSUB */

/**** amalgamated original file "/src/pubsub/ua_pubsub_reader.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2018 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2019 Fraunhofer IOSB (Author: Julius Pfrommer)
 * Copyright (c) 2019 Kalycito Infotech Private Limited
 * Copyright (c) 2021 Fraunhofer IOSB (Author: Jan Hermes)
 */



#ifdef UA_ENABLE_PUBSUB /* conditional compilation */


#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
#endif

#ifdef UA_ENABLE_PUBSUB_DELTAFRAMES
#endif

#ifdef UA_ENABLE_PUBSUB_BUFMALLOC
#endif

/* This functionality of this API will be used in future to create mirror Variables - TODO */
/* #define UA_MAX_SIZENAME           64 */ /* Max size of Qualified Name of Subscribed Variable */

/* Clear DataSetReader */
static void
UA_DataSetReader_clear(UA_Server *server, UA_DataSetReader *dataSetReader);

static void
UA_PubSubDSRDataSetField_sampleValue(UA_Server *server, UA_DataSetReader *dataSetReader,
                                     UA_DataValue *value, UA_FieldTargetVariable *ftv) {
    /* TODO: Static value source without RT information model
     * This API supports only to external datasource in RT configutation
     * TODO: Extend to support other configuration if required */

    /* Get the Node */
    const UA_VariableNode *rtNode = (const UA_VariableNode *)
        UA_NODESTORE_GET(server, &ftv->targetVariable.targetNodeId);
    if(!rtNode)
        return;

    if(rtNode->valueBackend.backendType == UA_VALUEBACKENDTYPE_EXTERNAL) {
        /* Set the external source in the dataset reader config */
        ftv->externalDataValue = rtNode->valueBackend.backend.external.value;

        /* Get the value to compute the offsets */
        *value = **rtNode->valueBackend.backend.external.value;
        value->value.storageType = UA_VARIANT_DATA_NODELETE;
    }

    UA_NODESTORE_RELEASE(server, (const UA_Node *) rtNode);
}

static UA_StatusCode
UA_PubSubDataSetReader_generateKeyFrameMessage(UA_Server *server,
                                               UA_DataSetMessage *dataSetMessage,
                                               UA_DataSetReader *dataSetReader) {
    /* Prepare DataSetMessageContent */
    UA_TargetVariables *tv = &dataSetReader->config.subscribedDataSet.subscribedDataSetTarget;
    dataSetMessage->header.dataSetMessageValid = true;
    dataSetMessage->header.dataSetMessageType = UA_DATASETMESSAGE_DATAKEYFRAME;
    dataSetMessage->data.keyFrameData.fieldCount = (UA_UInt16) tv->targetVariablesSize;
    dataSetMessage->data.keyFrameData.dataSetFields = (UA_DataValue *)
            UA_Array_new(tv->targetVariablesSize, &UA_TYPES[UA_TYPES_DATAVALUE]);
    if(!dataSetMessage->data.keyFrameData.dataSetFields)
        return UA_STATUSCODE_BADOUTOFMEMORY;

     for(size_t counter = 0; counter < tv->targetVariablesSize; counter++) {
        /* Sample the value and set the source in the reader config */
        UA_DataValue *dfv = &dataSetMessage->data.keyFrameData.dataSetFields[counter];
        UA_FieldTargetVariable *ftv = &tv->targetVariables[counter];
        UA_PubSubDSRDataSetField_sampleValue(server, dataSetReader, dfv, ftv);

        /* Deactivate statuscode? */
        if(((u64)dataSetReader->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_STATUSCODE) == 0)
            dfv->hasStatus = false;

        /* Deactivate timestamps */
        if(((u64)dataSetReader->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SOURCETIMESTAMP) == 0)
            dfv->hasSourceTimestamp = false;
        if(((u64)dataSetReader->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SOURCEPICOSECONDS) == 0)
            dfv->hasSourcePicoseconds = false;
        if(((u64)dataSetReader->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SERVERTIMESTAMP) == 0)
            dfv->hasServerTimestamp = false;
        if(((u64)dataSetReader->config.dataSetFieldContentMask &
            (u64)UA_DATASETFIELDCONTENTMASK_SERVERPICOSECONDS) == 0)
            dfv->hasServerPicoseconds = false;
    }

    return UA_STATUSCODE_GOOD;
}

/* Generate a DataSetMessage for the given reader. */
UA_StatusCode
UA_DataSetReader_generateDataSetMessage(UA_Server *server,
                                        UA_DataSetMessage *dataSetMessage,
                                        UA_DataSetReader *dataSetReader) {
    /* Reset the message */
    memset(dataSetMessage, 0, sizeof(UA_DataSetMessage));

    /* Support only for UADP configuration
     * TODO: JSON encoding if UA_DataSetReader_generateDataSetMessage used other
     * that RT configuration */

    UA_ExtensionObject *settings = &dataSetReader->config.messageSettings;
    if(settings->content.decoded.type != &UA_TYPES[UA_TYPES_UADPDATASETREADERMESSAGEDATATYPE]) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Only UADP encoding is supported.");
        return UA_STATUSCODE_BADNOTSUPPORTED;
    }

    /* The configuration Flags are included inside the std. defined UA_UadpDataSetReaderMessageDataType */
    UA_UadpDataSetReaderMessageDataType defaultUadpConfiguration;
    UA_UadpDataSetReaderMessageDataType *dataSetReaderMessageDataType =
        (UA_UadpDataSetReaderMessageDataType*) settings->content.decoded.data;

    if(!(settings->encoding == UA_EXTENSIONOBJECT_DECODED ||
         settings->encoding == UA_EXTENSIONOBJECT_DECODED_NODELETE) ||
       !dataSetReaderMessageDataType->dataSetMessageContentMask) {
        /* create default flag configuration if no dataSetMessageContentMask or even messageSettings in
         * UadpDataSetWriterMessageDataType was passed in */
        memset(&defaultUadpConfiguration, 0, sizeof(UA_UadpDataSetReaderMessageDataType));
        defaultUadpConfiguration.dataSetMessageContentMask = (UA_UadpDataSetMessageContentMask)
            ((u64)UA_UADPDATASETMESSAGECONTENTMASK_TIMESTAMP |
             (u64)UA_UADPDATASETMESSAGECONTENTMASK_MAJORVERSION |
             (u64)UA_UADPDATASETMESSAGECONTENTMASK_MINORVERSION);
        dataSetReaderMessageDataType = &defaultUadpConfiguration;
    }

    /* Sanity-test the configuration */
    if(dataSetReaderMessageDataType &&
       (dataSetReaderMessageDataType->networkMessageNumber != 0 ||
        dataSetReaderMessageDataType->dataSetOffset != 0)) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Static DSM configuration not supported. Using defaults");
        dataSetReaderMessageDataType->networkMessageNumber = 0;
        dataSetReaderMessageDataType->dataSetOffset = 0;
    }

    /* The field encoding depends on the flags inside the reader config. */
    if(dataSetReader->config.dataSetFieldContentMask &
       (u64)UA_DATASETFIELDCONTENTMASK_RAWDATA) {
        dataSetMessage->header.fieldEncoding = UA_FIELDENCODING_RAWDATA;
    } else if((u64)dataSetReader->config.dataSetFieldContentMask &
              ((u64)UA_DATASETFIELDCONTENTMASK_SOURCETIMESTAMP |
               (u64)UA_DATASETFIELDCONTENTMASK_SERVERPICOSECONDS |
               (u64)UA_DATASETFIELDCONTENTMASK_SOURCEPICOSECONDS |
               (u64)UA_DATASETFIELDCONTENTMASK_STATUSCODE)) {
        dataSetMessage->header.fieldEncoding = UA_FIELDENCODING_DATAVALUE;
    } else {
        dataSetMessage->header.fieldEncoding = UA_FIELDENCODING_VARIANT;
    }

    /* Std: 'The DataSetMessageContentMask defines the flags for the content
     * of the DataSetMessage header.' */
    if((u64)dataSetReaderMessageDataType->dataSetMessageContentMask &
       (u64)UA_UADPDATASETMESSAGECONTENTMASK_MAJORVERSION) {
        dataSetMessage->header.configVersionMajorVersionEnabled = true;
        dataSetMessage->header.configVersionMajorVersion =
            dataSetReader->config.dataSetMetaData.configurationVersion.majorVersion;
    }

    if((u64)dataSetReaderMessageDataType->dataSetMessageContentMask &
       (u64)UA_UADPDATASETMESSAGECONTENTMASK_MINORVERSION) {
        dataSetMessage->header.configVersionMinorVersionEnabled = true;
        dataSetMessage->header.configVersionMinorVersion =
            dataSetReader->config.dataSetMetaData.configurationVersion.minorVersion;
    }

    if((u64)dataSetReaderMessageDataType->dataSetMessageContentMask &
       (u64)UA_UADPDATASETMESSAGECONTENTMASK_SEQUENCENUMBER) {
        /* Will be modified when subscriber receives new nw msg */
        dataSetMessage->header.dataSetMessageSequenceNrEnabled = true;
        dataSetMessage->header.dataSetMessageSequenceNr = 1;
    }

    if((u64)dataSetReaderMessageDataType->dataSetMessageContentMask &
       (u64)UA_UADPDATASETMESSAGECONTENTMASK_TIMESTAMP) {
        dataSetMessage->header.timestampEnabled = true;
        dataSetMessage->header.timestamp = UA_DateTime_now();
    }

    /* TODO: Picoseconds resolution not supported atm */
    if((u64)dataSetReaderMessageDataType->dataSetMessageContentMask &
       (u64)UA_UADPDATASETMESSAGECONTENTMASK_PICOSECONDS) {
        dataSetMessage->header.picoSecondsIncluded = false;
    }

    if((u64)dataSetReaderMessageDataType->dataSetMessageContentMask &
       (u64)UA_UADPDATASETMESSAGECONTENTMASK_STATUS) {
        dataSetMessage->header.statusEnabled = true;
    }

    /* Not supported for Delta frames atm */
    return UA_PubSubDataSetReader_generateKeyFrameMessage(server, dataSetMessage, dataSetReader);
}

UA_StatusCode
UA_DataSetReader_generateNetworkMessage(UA_PubSubConnection *pubSubConnection,
                                        UA_DataSetReader *dataSetReader,
                                        UA_DataSetMessage *dsm, UA_UInt16 *writerId,
                                        UA_Byte dsmCount, UA_NetworkMessage *nm) {
    UA_ExtensionObject *settings = &dataSetReader->config.messageSettings;
    if(settings->content.decoded.type != &UA_TYPES[UA_TYPES_UADPDATASETREADERMESSAGEDATATYPE])
        return UA_STATUSCODE_BADNOTSUPPORTED;

    UA_UadpDataSetReaderMessageDataType *dsrm =
        (UA_UadpDataSetReaderMessageDataType*)settings->content.decoded.data;
    nm->publisherIdEnabled = ((u64)dsrm->networkMessageContentMask &
                              (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PUBLISHERID) != 0;
    nm->groupHeaderEnabled = ((u64)dsrm->networkMessageContentMask &
                              (u64)UA_UADPNETWORKMESSAGECONTENTMASK_GROUPHEADER) != 0;
    nm->groupHeader.writerGroupIdEnabled = ((u64)dsrm->networkMessageContentMask &
                                            (u64)UA_UADPNETWORKMESSAGECONTENTMASK_WRITERGROUPID) != 0;
    nm->groupHeader.groupVersionEnabled = ((u64)dsrm->networkMessageContentMask &
                                           (u64)UA_UADPNETWORKMESSAGECONTENTMASK_GROUPVERSION) != 0;
    nm->groupHeader.networkMessageNumberEnabled = ((u64)dsrm->networkMessageContentMask &
                                                   (u64)UA_UADPNETWORKMESSAGECONTENTMASK_NETWORKMESSAGENUMBER) != 0;
    nm->groupHeader.sequenceNumberEnabled = ((u64)dsrm->networkMessageContentMask &
                                             (u64)UA_UADPNETWORKMESSAGECONTENTMASK_SEQUENCENUMBER) != 0;
    nm->payloadHeaderEnabled = ((u64)dsrm->networkMessageContentMask &
                                (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PAYLOADHEADER) != 0;
    nm->timestampEnabled = ((u64)dsrm->networkMessageContentMask &
                            (u64)UA_UADPNETWORKMESSAGECONTENTMASK_TIMESTAMP) != 0;
    nm->picosecondsEnabled = ((u64)dsrm->networkMessageContentMask &
                              (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PICOSECONDS) != 0;
    nm->dataSetClassIdEnabled = ((u64)dsrm->networkMessageContentMask &
                                 (u64)UA_UADPNETWORKMESSAGECONTENTMASK_DATASETCLASSID) != 0;
    nm->promotedFieldsEnabled = ((u64)dsrm->networkMessageContentMask &
                                 (u64)UA_UADPNETWORKMESSAGECONTENTMASK_PROMOTEDFIELDS) != 0;
    nm->version = 1;
    nm->networkMessageType = UA_NETWORKMESSAGE_DATASET;

    if(!UA_DataType_isNumeric(dataSetReader->config.publisherId.type))
        return UA_STATUSCODE_BADNOTSUPPORTED;

    switch(dataSetReader->config.publisherId.type->typeKind) {
    case UA_DATATYPEKIND_BYTE:
        nm->publisherIdType = UA_PUBLISHERDATATYPE_BYTE;
        nm->publisherId.publisherIdByte = *(UA_Byte *) dataSetReader->config.publisherId.data;
        break;
    case UA_DATATYPEKIND_UINT16:
        nm->publisherIdType = UA_PUBLISHERDATATYPE_UINT16;
        nm->publisherId.publisherIdUInt16 = *(UA_UInt16 *) dataSetReader->config.publisherId.data;
        break;
    case UA_DATATYPEKIND_UINT32:
        nm->publisherIdType = UA_PUBLISHERDATATYPE_UINT32;
        nm->publisherId.publisherIdUInt32 = *(UA_UInt32 *) dataSetReader->config.publisherId.data;
        break;
    case UA_DATATYPEKIND_UINT64:
        nm->publisherIdType = UA_PUBLISHERDATATYPE_UINT64;
        nm->publisherId.publisherIdUInt64 = *(UA_UInt64 *) dataSetReader->config.publisherId.data;
        break;
    default:
        return UA_STATUSCODE_BADNOTSUPPORTED;
    }

    if(nm->groupHeader.sequenceNumberEnabled)
        nm->groupHeader.sequenceNumber = 1; /* Will be modified when subscriber receives new nw msg. */

    if(nm->groupHeader.groupVersionEnabled)
        nm->groupHeader.groupVersion = dsrm->groupVersion;

    /* Compute the length of the dsm separately for the header */
    UA_UInt16 *dsmLengths = (UA_UInt16 *) UA_calloc(dsmCount, sizeof(UA_UInt16));
    if(!dsmLengths)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    for(UA_Byte i = 0; i < dsmCount; i++){
        dsmLengths[i] = (UA_UInt16) UA_DataSetMessage_calcSizeBinary(&dsm[i], NULL, 0);
        switch(dataSetReader->config.expectedEncoding) {
            case UA_PUBSUB_RT_UNKNOWN:
                break;
            case UA_PUBSUB_RT_VARIANT:
                dsm[i].header.fieldEncoding = UA_FIELDENCODING_VARIANT;
                break;
            case UA_PUBSUB_RT_DATA_VALUE:
                dsm[i].header.fieldEncoding = UA_FIELDENCODING_DATAVALUE;
                break;
            case UA_PUBSUB_RT_RAW:
                dsm[i].header.fieldEncoding = UA_FIELDENCODING_RAWDATA;
                break;
        }
    }
    nm->payloadHeader.dataSetPayloadHeader.count = dsmCount;
    nm->payloadHeader.dataSetPayloadHeader.dataSetWriterIds = writerId;
    nm->groupHeader.writerGroupId = dataSetReader->config.writerGroupId;
    nm->groupHeader.networkMessageNumber = 1; /* number of the NetworkMessage inside a PublishingInterval */
    nm->payload.dataSetPayload.sizes = dsmLengths;
    nm->payload.dataSetPayload.dataSetMessages = dsm;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
checkReaderIdentifier(UA_Server *server, UA_NetworkMessage *msg,
                      UA_DataSetReader *reader) {
    if(!msg->groupHeaderEnabled || !msg->groupHeader.writerGroupIdEnabled ||
       !msg->payloadHeaderEnabled) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "Cannot process DataSetReader without WriterGroup"
                    "and DataSetWriter identifiers");
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    }

    switch(msg->publisherIdType) {
    case UA_PUBLISHERDATATYPE_BYTE:
        if(reader->config.publisherId.type == &UA_TYPES[UA_TYPES_BYTE] &&
           msg->publisherIdType == UA_PUBLISHERDATATYPE_BYTE &&
           msg->publisherId.publisherIdByte == *(UA_Byte*)reader->config.publisherId.data)
            break;
        return UA_STATUSCODE_BADNOTFOUND;
    case UA_PUBLISHERDATATYPE_UINT16:
        if(reader->config.publisherId.type == &UA_TYPES[UA_TYPES_UINT16] &&
           msg->publisherIdType == UA_PUBLISHERDATATYPE_UINT16 &&
           msg->publisherId.publisherIdUInt16 == *(UA_UInt16*)reader->config.publisherId.data)
            break;
        return UA_STATUSCODE_BADNOTFOUND;
    case UA_PUBLISHERDATATYPE_UINT32:
        if(reader->config.publisherId.type == &UA_TYPES[UA_TYPES_UINT32] &&
           msg->publisherIdType == UA_PUBLISHERDATATYPE_UINT32 &&
           msg->publisherId.publisherIdUInt32 == *(UA_UInt32*)reader->config.publisherId.data)
            break;
        return UA_STATUSCODE_BADNOTFOUND;
    case UA_PUBLISHERDATATYPE_UINT64:
        if(reader->config.publisherId.type == &UA_TYPES[UA_TYPES_UINT64] &&
           msg->publisherIdType == UA_PUBLISHERDATATYPE_UINT64 &&
           msg->publisherId.publisherIdUInt64 == *(UA_UInt64*)reader->config.publisherId.data)
            break;
        return UA_STATUSCODE_BADNOTFOUND;
    case UA_PUBLISHERDATATYPE_STRING:
        if(reader->config.publisherId.type == &UA_TYPES[UA_TYPES_STRING] &&
           msg->publisherIdType == UA_PUBLISHERDATATYPE_STRING &&
           UA_String_equal(&msg->publisherId.publisherIdString,
                           (UA_String*)reader->config.publisherId.data))
            break;
        return UA_STATUSCODE_BADNOTFOUND;
    default:
        return UA_STATUSCODE_BADNOTFOUND;
    }

    if(reader->config.writerGroupId == msg->groupHeader.writerGroupId &&
       reader->config.dataSetWriterId == *msg->payloadHeader.dataSetPayloadHeader.dataSetWriterIds) {
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "DataSetReader found. Process NetworkMessage");
        return UA_STATUSCODE_GOOD;
    }

    return UA_STATUSCODE_BADNOTFOUND;
}

UA_StatusCode
UA_Server_addDataSetReader(UA_Server *server, UA_NodeId readerGroupIdentifier,
                           const UA_DataSetReaderConfig *dataSetReaderConfig,
                           UA_NodeId *readerIdentifier) {
    /* Search the reader group by the given readerGroupIdentifier */
    UA_ReaderGroup *readerGroup = UA_ReaderGroup_findRGbyId(server, readerGroupIdentifier);
    if(readerGroup == NULL)
        return UA_STATUSCODE_BADNOTFOUND;

    if(!dataSetReaderConfig)
        return UA_STATUSCODE_BADNOTFOUND;

    if(readerGroup->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Add DataSetReader failed. Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    /* Allocate memory for new DataSetReader */
    UA_DataSetReader *newDataSetReader = (UA_DataSetReader *)
        UA_calloc(1, sizeof(UA_DataSetReader));
    if(!newDataSetReader)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    newDataSetReader->componentType = UA_PUBSUB_COMPONENT_DATASETREADER;
    if(readerGroup->state == UA_PUBSUBSTATE_OPERATIONAL) {
        retVal = UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_OPERATIONAL, newDataSetReader);
        if(retVal != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                            "Add DataSetReader failed. setPubSubState failed.");
            UA_free(newDataSetReader);
            newDataSetReader = 0;
            return retVal;
        }
    }

    /* Copy the config into the new dataSetReader */
    UA_DataSetReaderConfig_copy(dataSetReaderConfig, &newDataSetReader->config);
    newDataSetReader->linkedReaderGroup = readerGroup->identifier;

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    retVal = addDataSetReaderRepresentation(server, newDataSetReader);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "Add DataSetReader failed. addDataSetReaderRepresentation failed.");
        UA_DataSetReaderConfig_clear(&newDataSetReader->config);
        UA_free(newDataSetReader);
        newDataSetReader = 0;
        return retVal;
    }
#else
    UA_PubSubManager_generateUniqueNodeId(&server->pubSubManager,
                                          &newDataSetReader->identifier);
#endif

#ifdef UA_ENABLE_PUBSUB_MONITORING
    /* create message receive timeout timer */
    retVal = server->config.pubSubConfig.monitoringInterface.createMonitoring(
        server,
        newDataSetReader->identifier,
        UA_PUBSUB_COMPONENT_DATASETREADER,
        UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT,
        newDataSetReader,
        UA_DataSetReader_handleMessageReceiveTimeout);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
            "Add DataSetReader failed. Create message receive timeout timer failed.");
        UA_DataSetReaderConfig_clear(&newDataSetReader->config);
        UA_free(newDataSetReader);
        newDataSetReader = 0;
        return retVal;
    }
#endif /* UA_ENABLE_PUBSUB_MONITORING */

    /* Add the new reader to the group */
    LIST_INSERT_HEAD(&readerGroup->readers, newDataSetReader, listEntry);
    readerGroup->readersCount++;

    if(readerIdentifier)
        UA_NodeId_copy(&newDataSetReader->identifier, readerIdentifier);

    return retVal;
}

UA_StatusCode
UA_Server_removeDataSetReader(UA_Server *server, UA_NodeId readerIdentifier) {
    /* Remove datasetreader given by the identifier */
    UA_DataSetReader *dsr = UA_ReaderGroup_findDSRbyId(server, readerIdentifier);
    if(!dsr)
        return UA_STATUSCODE_BADNOTFOUND;

    if(dsr->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Remove DataSetReader failed. "
                       "Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    removeDataSetReaderRepresentation(server, dsr);
#endif

    UA_StatusCode res = UA_STATUSCODE_GOOD;
#ifdef UA_ENABLE_PUBSUB_MONITORING
    /* Stop and remove message receive timeout timer */
    if(dsr->msgRcvTimeoutTimerRunning) {
        res = server->config.pubSubConfig.monitoringInterface.
            stopMonitoring(server, dsr->identifier, UA_PUBSUB_COMPONENT_DATASETREADER,
                           UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT, dsr);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "Remove DataSetReader failed. Stop message "
                         "receive timeout timer of DataSetReader '%.*s' failed.",
                         (int) dsr->config.name.length, dsr->config.name.data);
        }
    }

    res |= server->config.pubSubConfig.monitoringInterface.
        deleteMonitoring(server, dsr->identifier, UA_PUBSUB_COMPONENT_DATASETREADER,
                         UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT, dsr);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Remove DataSetReader failed. Delete message receive "
                     "timeout timer of DataSetReader '%.*s' failed.",
                     (int) dsr->config.name.length, dsr->config.name.data);
    }
#endif /* UA_ENABLE_PUBSUB_MONITORING */

    UA_DataSetReader_clear(server, dsr);
    return res;
}

UA_StatusCode
UA_Server_DataSetReader_updateConfig(UA_Server *server, UA_NodeId dataSetReaderIdentifier,
                                     UA_NodeId readerGroupIdentifier,
                                     const UA_DataSetReaderConfig *config) {
    if(config == NULL)
       return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_DataSetReader *currentDataSetReader =
        UA_ReaderGroup_findDSRbyId(server, dataSetReaderIdentifier);
    if(!currentDataSetReader)
       return UA_STATUSCODE_BADNOTFOUND;

    if(currentDataSetReader->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Update DataSetReader config failed. "
                       "Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    UA_ReaderGroup *currentReaderGroup =
        UA_ReaderGroup_findRGbyId(server, readerGroupIdentifier);
    if(currentReaderGroup->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Update DataSetReader config failed. "
                       "Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    /* The update functionality will be extended during the next PubSub batches.
     * Currently changes for writerGroupId, dataSetWriterId and TargetVariables are possible. */
    if(currentDataSetReader->config.writerGroupId != config->writerGroupId)
        currentDataSetReader->config.writerGroupId = config->writerGroupId;

    if(currentDataSetReader->config.dataSetWriterId != config->dataSetWriterId)
        currentDataSetReader->config.dataSetWriterId = config->dataSetWriterId;

    if(currentDataSetReader->config.subscribedDataSetType != UA_PUBSUB_SDS_TARGET) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Unsupported SubscribedDataSetType.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    UA_TargetVariables *oldTV =
        &currentDataSetReader->config.subscribedDataSet.subscribedDataSetTarget;
    const UA_TargetVariables *newTV =
        &config->subscribedDataSet.subscribedDataSetTarget;
    if(oldTV->targetVariablesSize == newTV->targetVariablesSize) {
        for(size_t i = 0; i < config->subscribedDataSet.subscribedDataSetTarget.targetVariablesSize; i++) {
            if(!UA_NodeId_equal(&oldTV->targetVariables[i].targetVariable.targetNodeId,
                                &newTV->targetVariables[i].targetVariable.targetNodeId)) {
                UA_Server_DataSetReader_createTargetVariables(server, currentDataSetReader->identifier,
                                                              newTV->targetVariablesSize, newTV->targetVariables);
            }
        }
    } else {
        UA_Server_DataSetReader_createTargetVariables(server, currentDataSetReader->identifier,
                                                      newTV->targetVariablesSize, newTV->targetVariables);
    }

    UA_StatusCode res = UA_STATUSCODE_GOOD;
#ifdef UA_ENABLE_PUBSUB_MONITORING
    if(currentDataSetReader->config.messageReceiveTimeout != config->messageReceiveTimeout) {
        /* Update message receive timeout timer interval */
        currentDataSetReader->config.messageReceiveTimeout = config->messageReceiveTimeout;
        res = server->config.pubSubConfig.monitoringInterface.
            updateMonitoringInterval(server, currentDataSetReader->identifier,
                                     UA_PUBSUB_COMPONENT_DATASETREADER,
                                     UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT,
                                     currentDataSetReader);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Update DataSetReader message receive timeout timer failed.");
        }
    }
#endif /* UA_ENABLE_PUBSUB_MONITORING */
    return res;
}

UA_StatusCode
UA_Server_DataSetReader_getConfig(UA_Server *server, UA_NodeId dataSetReaderIdentifier,
                                 UA_DataSetReaderConfig *config) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_DataSetReader *currentDataSetReader =
        UA_ReaderGroup_findDSRbyId(server, dataSetReaderIdentifier);
    if(!currentDataSetReader)
        return UA_STATUSCODE_BADNOTFOUND;

    UA_DataSetReaderConfig tmpReaderConfig;
    /* Deep copy of the actual config */
    UA_DataSetReaderConfig_copy(&currentDataSetReader->config, &tmpReaderConfig);
    *config = tmpReaderConfig;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_DataSetReaderConfig_copy(const UA_DataSetReaderConfig *src,
                            UA_DataSetReaderConfig *dst) {
    memset(dst, 0, sizeof(UA_DataSetReaderConfig));
    UA_StatusCode retVal = UA_String_copy(&src->name, &dst->name);
    if(retVal != UA_STATUSCODE_GOOD)
        return retVal;

    retVal = UA_Variant_copy(&src->publisherId, &dst->publisherId);
    if(retVal != UA_STATUSCODE_GOOD)
        return retVal;

    dst->writerGroupId = src->writerGroupId;
    dst->dataSetWriterId = src->dataSetWriterId;
    dst->expectedEncoding = src->expectedEncoding;
    retVal = UA_DataSetMetaDataType_copy(&src->dataSetMetaData, &dst->dataSetMetaData);
    if(retVal != UA_STATUSCODE_GOOD)
        return retVal;

    dst->dataSetFieldContentMask = src->dataSetFieldContentMask;
    dst->messageReceiveTimeout = src->messageReceiveTimeout;

    /* Currently memcpy is used to copy the securityParameters */
    memcpy(&dst->securityParameters, &src->securityParameters, sizeof(UA_PubSubSecurityParameters));
    retVal = UA_ExtensionObject_copy(&src->messageSettings, &dst->messageSettings);
    if(retVal != UA_STATUSCODE_GOOD)
        return retVal;

    retVal = UA_ExtensionObject_copy(&src->transportSettings, &dst->transportSettings);
    if(retVal != UA_STATUSCODE_GOOD)
        return retVal;

    if(src->subscribedDataSetType == UA_PUBSUB_SDS_TARGET) {
        retVal = UA_TargetVariables_copy(&src->subscribedDataSet.subscribedDataSetTarget,
                                         &dst->subscribedDataSet.subscribedDataSetTarget);
    }
    return retVal;
}

void
UA_DataSetReaderConfig_clear(UA_DataSetReaderConfig *cfg) {
    UA_String_clear(&cfg->name);
    UA_Variant_clear(&cfg->publisherId);
    UA_DataSetMetaDataType_clear(&cfg->dataSetMetaData);
    UA_ExtensionObject_clear(&cfg->messageSettings);
    UA_ExtensionObject_clear(&cfg->transportSettings);
    if(cfg->subscribedDataSetType == UA_PUBSUB_SDS_TARGET) {
        UA_TargetVariables_clear(&cfg->subscribedDataSet.subscribedDataSetTarget);
    }
}

UA_StatusCode
UA_Server_DataSetReader_getState(UA_Server *server, UA_NodeId dataSetReaderIdentifier,
                               UA_PubSubState *state) {

    if((server == NULL) || (state == NULL))
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_DataSetReader *currentDataSetReader =
        UA_ReaderGroup_findDSRbyId(server, dataSetReaderIdentifier);
    if(currentDataSetReader == NULL)
        return UA_STATUSCODE_BADNOTFOUND;
    *state = currentDataSetReader->state;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_DataSetReader_setState_disabled(UA_Server *server, UA_DataSetReader *dsr) {
    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    switch(dsr->state) {
    case UA_PUBSUBSTATE_DISABLED:
        return UA_STATUSCODE_GOOD;
    case UA_PUBSUBSTATE_PAUSED:
        dsr->state = UA_PUBSUBSTATE_DISABLED;
        return UA_STATUSCODE_GOOD;
    case UA_PUBSUBSTATE_OPERATIONAL:
#ifdef UA_ENABLE_PUBSUB_MONITORING
        /* Stop MessageReceiveTimeout timer */
        if(dsr->msgRcvTimeoutTimerRunning == UA_TRUE) {
            ret = server->config.pubSubConfig.monitoringInterface.
                stopMonitoring(server, dsr->identifier,
                               UA_PUBSUB_COMPONENT_DATASETREADER,
                               UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT, dsr);
            if(ret == UA_STATUSCODE_GOOD) {
                dsr->msgRcvTimeoutTimerRunning = UA_FALSE;
            } else {
                UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                             "Disable ReaderGroup failed. Stop message receive "
                             "timeout timer of DataSetReader '%.*s' failed.",
                             (int) dsr->config.name.length, dsr->config.name.data);
            }
        }
#endif /* UA_ENABLE_PUBSUB_MONITORING */
        if(ret == UA_STATUSCODE_GOOD)
            dsr->state = UA_PUBSUBSTATE_DISABLED;
        return ret;
    case UA_PUBSUBSTATE_ERROR:
        break;
    default:
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Received unknown PubSub state!");
    }
    return UA_STATUSCODE_BADINVALIDARGUMENT;
}

/* State machine methods not part of the open62541 state machine API */
UA_StatusCode
UA_DataSetReader_setPubSubState(UA_Server *server, UA_PubSubState state,
                                UA_DataSetReader *dataSetReader) {
    switch(state) {
        case UA_PUBSUBSTATE_DISABLED:
            return UA_DataSetReader_setState_disabled(server, dataSetReader);
        case UA_PUBSUBSTATE_PAUSED:
            return UA_STATUSCODE_BADNOTSUPPORTED;
        case UA_PUBSUBSTATE_OPERATIONAL:
            dataSetReader->state = UA_PUBSUBSTATE_OPERATIONAL;
            break;
        case UA_PUBSUBSTATE_ERROR:
            dataSetReader->state = UA_PUBSUBSTATE_ERROR;
            break;
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Received unknown PubSub state!");
            return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_FieldTargetVariable_copy(const UA_FieldTargetVariable *src, UA_FieldTargetVariable *dst) {
    /* Do a simple memcpy */
    memcpy(dst, src, sizeof(UA_FieldTargetVariable));
    return UA_FieldTargetDataType_copy(&src->targetVariable, &dst->targetVariable);
}

UA_StatusCode
UA_TargetVariables_copy(const UA_TargetVariables *src, UA_TargetVariables *dst) {
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    memcpy(dst, src, sizeof(UA_TargetVariables));
    if(src->targetVariablesSize > 0) {
        dst->targetVariables = (UA_FieldTargetVariable*)
            UA_calloc(src->targetVariablesSize, sizeof(UA_FieldTargetVariable));
        if(!dst->targetVariables)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        for(size_t i = 0; i < src->targetVariablesSize; i++)
            retVal |= UA_FieldTargetVariable_copy(&src->targetVariables[i], &dst->targetVariables[i]);
    }
    return retVal;
}

void
UA_TargetVariables_clear(UA_TargetVariables *subscribedDataSetTarget) {
    for(size_t i = 0; i < subscribedDataSetTarget->targetVariablesSize; i++) {
        UA_FieldTargetDataType_clear(&subscribedDataSetTarget->targetVariables[i].targetVariable);
    }
    if(subscribedDataSetTarget->targetVariablesSize > 0)
        UA_free(subscribedDataSetTarget->targetVariables);
    memset(subscribedDataSetTarget, 0, sizeof(UA_TargetVariables));
}

/* This Method is used to initially set the SubscribedDataSet to
 * TargetVariablesType and to create the list of target Variables of a
 * SubscribedDataSetType. */
UA_StatusCode
UA_Server_DataSetReader_createTargetVariables(UA_Server *server,
                                              UA_NodeId dataSetReaderIdentifier,
                                              size_t targetVariablesSize,
                                              const UA_FieldTargetVariable *targetVariables) {
    UA_DataSetReader *dataSetReader = UA_ReaderGroup_findDSRbyId(server, dataSetReaderIdentifier);
    if(!dataSetReader)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    if(dataSetReader->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Create Target Variables failed. Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    if(dataSetReader->config.subscribedDataSet.subscribedDataSetTarget.targetVariablesSize > 0)
        UA_TargetVariables_clear(&dataSetReader->config.subscribedDataSet.subscribedDataSetTarget);

    /* Set subscribed dataset to TargetVariableType */
    dataSetReader->config.subscribedDataSetType = UA_PUBSUB_SDS_TARGET;
    UA_TargetVariables tmp;
    tmp.targetVariablesSize = targetVariablesSize;
    tmp.targetVariables = (UA_FieldTargetVariable*)(uintptr_t)targetVariables;
    return UA_TargetVariables_copy(&tmp, &dataSetReader->config.subscribedDataSet.subscribedDataSetTarget);
}

/* This functionality of this API will be used in future to create mirror Variables - TODO */
/* UA_StatusCode
UA_Server_DataSetReader_createDataSetMirror(UA_Server *server, UA_String *parentObjectNodeName,
                                            UA_NodeId dataSetReaderIdentifier) {
    if((server == NULL) || (parentNode == NULL)) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_DataSetReader* pDataSetReader = UA_ReaderGroup_findDSRbyId(server, dataSetReaderIdentifier);
    if(pDataSetReader == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    if(pDataSetReader->configurationFrozen) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Add Target Variables failed. Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    } // TODO: Frozen configuration variable in TargetVariable structure

    UA_TargetVariables targetVars;
    targetVars.targetVariablesSize = pDataSetReader->config.dataSetMetaData.fieldsSize;
    targetVars.targetVariables = (UA_FieldTargetVariable *)
        UA_calloc(targetVars.targetVariablesSize, sizeof(UA_FieldTargetVariable));

    for(size_t i = 0; i < pDataSetReader->config.dataSetMetaData.fieldsSize; i++) {
        UA_VariableAttributes vAttr = UA_VariableAttributes_default;
        vAttr.valueRank = pDataSetReader->config.dataSetMetaData.fields[i].valueRank;
        if(pDataSetReader->config.dataSetMetaData.fields[i].arrayDimensionsSize > 0) {
            retval = UA_Array_copy(pDataSetReader->config.dataSetMetaData.fields[i].arrayDimensions,
                                   pDataSetReader->config.dataSetMetaData.fields[i].arrayDimensionsSize,
                                   (void**)&vAttr.arrayDimensions, &UA_TYPES[UA_TYPES_UINT32]);
            if(retval == UA_STATUSCODE_GOOD) {
                vAttr.arrayDimensionsSize =
                    pDataSetReader->config.dataSetMetaData.fields[i].arrayDimensionsSize;
            }

        }

        vAttr.dataType = pDataSetReader->config.dataSetMetaData.fields[i].dataType;

        vAttr.accessLevel = UA_ACCESSLEVELMASK_READ;
        UA_LocalizedText_copy(&pDataSetReader->config.dataSetMetaData.fields[i].description,
                              &vAttr.description);
        UA_QualifiedName qn;
        UA_QualifiedName_init(&qn);
        char szTmpName[UA_MAX_SIZENAME];
        if(pDataSetReader->config.dataSetMetaData.fields[i].name.length > 0) {
            UA_UInt16 slen = UA_MAX_SIZENAME -1;
            vAttr.displayName.locale = UA_STRING("en-US");
            vAttr.displayName.text = pDataSetReader->config.dataSetMetaData.fields[i].name;
            if(pDataSetReader->config.dataSetMetaData.fields[i].name.length < slen) {
                slen = (UA_UInt16)pDataSetReader->config.dataSetMetaData.fields[i].name.length;
                UA_snprintf(szTmpName, sizeof(szTmpName), "%.*s", (int)slen,
                            (const char*)pDataSetReader->config.dataSetMetaData.fields[i].name.data);
            }

            szTmpName[slen] = '\0';
            qn = UA_QUALIFIEDNAME(1, szTmpName);
        }
        else {
            strcpy(szTmpName, "SubscribedVariable");
            vAttr.displayName = UA_LOCALIZEDTEXT("en-US", szTmpName);
            qn = UA_QUALIFIEDNAME(1, "SubscribedVariable");
        }

        // Add variable to the given parent node
        UA_NodeId newNode;
        retval = UA_Server_addVariableNode(server, UA_NODEID_NULL, *parentNode,
                                           UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), qn,
                                           UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
                                           vAttr, NULL, &newNode);
        if(retval == UA_STATUSCODE_GOOD) {
            UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                        "addVariableNode %s succeeded", szTmpName);
        }
        else {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                         "addVariableNode: error 0x%" PRIx32, retval);
        }

        targetVars.targetVariables[i].targetVariable.attributeId = UA_ATTRIBUTEID_VALUE;
        UA_NodeId_copy(&newNode, &targetVars.targetVariables[i].targetVariable.targetNodeId);
        UA_NodeId_clear(&newNode);
        if(vAttr.arrayDimensionsSize > 0) {
            UA_Array_delete(vAttr.arrayDimensions, vAttr.arrayDimensionsSize,
                            &UA_TYPES[UA_TYPES_UINT32]);
        }
    }

    UA_TargetVariables_clear(&targetVars);
    return retval;
}*/

static void
DataSetReader_processRaw(UA_Server *server, UA_ReaderGroup *rg,
                         UA_DataSetReader *dsr, UA_DataSetMessage* msg) {
    UA_LOG_TRACE(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "Received RAW Frame");
    msg->data.keyFrameData.fieldCount = (UA_UInt16)
        dsr->config.dataSetMetaData.fieldsSize;

    size_t offset = 0;
    for(size_t i = 0; i < dsr->config.dataSetMetaData.fieldsSize; i++) {
        /* TODO The datatype reference should be part of the internal
         * pubsub configuration to avoid the time-expensive lookup */
        const UA_DataType *type =
            UA_findDataTypeWithCustom(&dsr->config.dataSetMetaData.fields[i].dataType,
                                      server->config.customDataTypes);
        msg->data.keyFrameData.rawFields.length += type->memSize;
        UA_STACKARRAY(UA_Byte, value, type->memSize);
        UA_StatusCode res =
            UA_decodeBinaryInternal(&msg->data.keyFrameData.rawFields,
                                    &offset, value, type, NULL);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "Error during Raw-decode KeyFrame field %u: %s",
                        (unsigned)i, UA_StatusCode_name(res));
            return;
        }

        UA_FieldTargetVariable *tv =
            &dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i];

        if(rg->config.rtLevel == UA_PUBSUB_RT_FIXED_SIZE) {
            if (tv->beforeWrite) {
                void *pData = (**tv->externalDataValue).value.data;
                (**tv->externalDataValue).value.data = value;   // set raw data as "preview"
                tv->beforeWrite(server,
                                &dsr->identifier,
                                &dsr->linkedReaderGroup,
                                &dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i].targetVariable.targetNodeId,
                                dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i].targetVariableContext,
                                tv->externalDataValue);
                (**tv->externalDataValue).value.data = pData;  // restore previous data pointer
            }
            memcpy((**tv->externalDataValue).value.data, value, type->memSize);
            if(tv->afterWrite)
                tv->afterWrite(server, &dsr->identifier,
                                &dsr->linkedReaderGroup,
                                &tv->targetVariable.targetNodeId,
                                tv->targetVariableContext,
                                tv->externalDataValue);
            continue; /* No dynamic allocation for fixed-size msg, no need to _clear */
        }

        UA_WriteValue writeVal;
        UA_WriteValue_init(&writeVal);
        writeVal.attributeId = tv->targetVariable.attributeId;
        writeVal.indexRange = tv->targetVariable.receiverIndexRange;
        writeVal.nodeId = tv->targetVariable.targetNodeId;
        UA_Variant_setScalar(&writeVal.value.value, value, type);
        writeVal.value.hasValue = true;
        res = UA_Server_write(server, &writeVal);
        UA_clear(value, type);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "Error writing KeyFrame field %u: %s",
                        (unsigned)i, UA_StatusCode_name(res));
        }
    }
}

static void
DataSetReader_processFixedSize(UA_Server *server, UA_ReaderGroup *rg,
                               UA_DataSetReader *dsr, UA_DataSetMessage *msg,
                               size_t fieldCount) {
    for(size_t i = 0; i < fieldCount; i++) {
        if(!msg->data.keyFrameData.dataSetFields[i].hasValue)
            continue;

        UA_FieldTargetVariable *tv =
            &dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i];
        if(tv->targetVariable.attributeId != UA_ATTRIBUTEID_VALUE)
            continue;
        if (tv->beforeWrite) {
            UA_DataValue *tmp = &msg->data.keyFrameData.dataSetFields[i];
            tv->beforeWrite(server,
                      &dsr->identifier,
                      &dsr->linkedReaderGroup,
                      &dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i].targetVariable.targetNodeId,
                      dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i].targetVariableContext,
                      &tmp);
        }
        memcpy((**tv->externalDataValue).value.data,
                    msg->data.keyFrameData.dataSetFields[i].value.data,
                    msg->data.keyFrameData.dataSetFields[i].value.type->memSize);
        if(tv->afterWrite)
            tv->afterWrite(server, &dsr->identifier, &dsr->linkedReaderGroup,
                        &tv->targetVariable.targetNodeId,
                        tv->targetVariableContext, tv->externalDataValue);
    }
}

void
UA_DataSetReader_process(UA_Server *server, UA_ReaderGroup *rg,
                         UA_DataSetReader *dsr, UA_DataSetMessage *msg) {
    if(!dsr || !rg || !msg || !server)
        return;

    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "DataSetReader '%.*s': received a network message",
                 (int) dsr->config.name.length, dsr->config.name.data);

    if(!msg->header.dataSetMessageValid) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "DataSetMessage is discarded: message is not valid");
        /* To Do check ConfigurationVersion */
        /* if(msg->header.configVersionMajorVersionEnabled) {
         *     if(msg->header.configVersionMajorVersion !=
         *            dsr->config.dataSetMetaData.configurationVersion.majorVersion) {
         *         UA_LOG_WARNING(server->config.logger, UA_LOGCATEGORY_SERVER,
         *                        "DataSetMessage is discarded: ConfigurationVersion "
         *                        "MajorVersion does not match");
         *         return;
         *     }
         * } */
        return;
    }

    if(msg->header.dataSetMessageType != UA_DATASETMESSAGE_DATAKEYFRAME) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "DataSetMessage is discarded: Only keyframes are supported");
        return;
    }

    /* Process message with raw encoding (realtime and non-realtime) */
    if(msg->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
        DataSetReader_processRaw(server, rg, dsr, msg);
#ifdef UA_ENABLE_PUBSUB_MONITORING
        UA_DataSetReader_checkMessageReceiveTimeout(server, dsr);
#endif
        return;
    }

    /* Check and adjust the field count
     * TODO Throw an error if non-matching? */
    size_t fieldCount = msg->data.keyFrameData.fieldCount;
    if(dsr->config.dataSetMetaData.fieldsSize < fieldCount)
        fieldCount = dsr->config.dataSetMetaData.fieldsSize;

    if(dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariablesSize < fieldCount)
        fieldCount = dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariablesSize;

    /* Process message with fixed size fields (realtime capable) */
    if(rg->config.rtLevel == UA_PUBSUB_RT_FIXED_SIZE) {
        DataSetReader_processFixedSize(server, rg, dsr, msg, fieldCount);
#ifdef UA_ENABLE_PUBSUB_MONITORING
        UA_DataSetReader_checkMessageReceiveTimeout(server, dsr);
#endif
        return;
    }

    /* Write the message fields via the write service (non realtime) */
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < fieldCount; i++) {
        if(!msg->data.keyFrameData.dataSetFields[i].hasValue)
            continue;

        UA_FieldTargetVariable *tv =
            &dsr->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i];

        UA_WriteValue writeVal;
        UA_WriteValue_init(&writeVal);
        writeVal.attributeId = tv->targetVariable.attributeId;
        writeVal.indexRange = tv->targetVariable.receiverIndexRange;
        writeVal.nodeId = tv->targetVariable.targetNodeId;
        writeVal.value = msg->data.keyFrameData.dataSetFields[i];
        res = UA_Server_write(server, &writeVal);
        if(res != UA_STATUSCODE_GOOD)
            UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "Error writing KeyFrame field %u: %s",
                        (unsigned)i, UA_StatusCode_name(res));
    }

#ifdef UA_ENABLE_PUBSUB_MONITORING
    UA_DataSetReader_checkMessageReceiveTimeout(server, dsr);
#endif
}

#ifdef UA_ENABLE_PUBSUB_MONITORING

void
UA_DataSetReader_checkMessageReceiveTimeout(UA_Server *server,
                                            UA_DataSetReader *dsr) {
    UA_assert(server != 0);
    UA_assert(dsr != 0);

    /* If previous reader state was error (because we haven't received messages
     * and ran into timeout) we should set the state back to operational */
    if(dsr->state == UA_PUBSUBSTATE_ERROR) {
        UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_OPERATIONAL, dsr);
        if(server->config.pubSubConfig.stateChangeCallback != 0) {
            server->config.pubSubConfig.stateChangeCallback(&dsr->identifier,
                                                            UA_PUBSUBSTATE_OPERATIONAL,
                                                            UA_STATUSCODE_GOOD);
        }
    }

    /* Stop message receive timeout timer */
    UA_StatusCode res;
    if(dsr->msgRcvTimeoutTimerRunning) {
        res = server->config.pubSubConfig.monitoringInterface.
            stopMonitoring(server, dsr->identifier, UA_PUBSUB_COMPONENT_DATASETREADER,
                           UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT, dsr);
        if(res == UA_STATUSCODE_GOOD) {
            dsr->msgRcvTimeoutTimerRunning = false;
        } else {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "DataSetReader '%.*s': stop receive timeout timer failed",
                         (int)dsr->config.name.length, dsr->config.name.data);
            UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dsr);
        }
    }

    /* Start message receive timeout timer */
    res = server->config.pubSubConfig.monitoringInterface.
        startMonitoring(server, dsr->identifier, UA_PUBSUB_COMPONENT_DATASETREADER,
                        UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT, dsr);
    if(res == UA_STATUSCODE_GOOD) {
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Info: DataSetReader '%.*s': start receive timeout timer",
                     (int)dsr->config.name.length, dsr->config.name.data);
        dsr->msgRcvTimeoutTimerRunning = true;
    } else {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Starting Message Receive Timeout timer failed.");
        UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dsr);
    }
}

/* Timeout callback for DataSetReader MessageReceiveTimeout handling */
void
UA_DataSetReader_handleMessageReceiveTimeout(UA_Server *server,
                                             void *dataSetReader) {
    if(!server || !dataSetReader) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "UA_DataSetReader_handleMessageReceiveTimeout(): "
                     "null pointer param");
        return;
    }

    UA_DataSetReader *dsr = (UA_DataSetReader*) dataSetReader;
    if(dsr->componentType != UA_PUBSUB_COMPONENT_DATASETREADER) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "UA_DataSetReader_handleMessageReceiveTimeout(): "
                     "input param is not of type DataSetReader");
        return;
    }

    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "UA_DataSetReader_handleMessageReceiveTimeout(): "
                 "MessageReceiveTimeout occurred at DataSetReader "
                 "'%.*s': MessageReceiveTimeout = %f Timer Id = %u ",
                 (int)dsr->config.name.length, dsr->config.name.data,
                 dsr->config.messageReceiveTimeout,
                 (UA_UInt32) dsr->msgRcvTimeoutTimerId);

    UA_ServerConfig *pConfig = UA_Server_getConfig(server);
    if(pConfig->pubSubConfig.stateChangeCallback != 0) {
        pConfig->pubSubConfig.stateChangeCallback(&dsr->identifier,
                                                  UA_PUBSUBSTATE_ERROR,
                                                  UA_STATUSCODE_BADTIMEOUT);
    }

    UA_StatusCode res =
        UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dsr);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "UA_DataSetReader_handleMessageReceiveTimeout(): "
                     "setting pubsub state failed");
    }
}
#endif /* UA_ENABLE_PUBSUB_MONITORING */

static void
UA_DataSetReader_clear(UA_Server *server, UA_DataSetReader *dsr) {
    /* Delete DataSetReader config */
    UA_DataSetReaderConfig_clear(&dsr->config);

    /* Delete DataSetReader */
    UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, dsr->linkedReaderGroup);
    if(rg)
        rg->readersCount--;

    UA_NodeId_clear(&dsr->identifier);
    UA_NodeId_clear(&dsr->linkedReaderGroup);
    if(dsr->config.subscribedDataSetType == UA_PUBSUB_SDS_TARGET) {
        UA_TargetVariables_clear(&dsr->config.subscribedDataSet.subscribedDataSetTarget);
    } else {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "UA_DataSetReader_clear(): unsupported subscribed dataset enum type");
    }

    /* Remove DataSetReader from group */
    LIST_REMOVE(dsr, listEntry);

    /* Free memory allocated for DataSetReader */
    UA_free(dsr);
}

static void
processMessageWithReader(UA_Server *server, UA_ReaderGroup *readerGroup,
                         UA_DataSetReader *reader, UA_NetworkMessage *msg) {
    UA_Byte totalDataSets = 1;
    if(msg->payloadHeaderEnabled)
        totalDataSets = msg->payloadHeader.dataSetPayloadHeader.count;
    for(UA_Byte i = 0; i < totalDataSets; i++) {
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Process Msg with DataSetReader!");
        UA_DataSetReader_process(server, readerGroup, reader,
                                 &msg->payload.dataSetPayload.dataSetMessages[i]);
    }
}

UA_StatusCode
UA_Server_processNetworkMessage(UA_Server *server, UA_PubSubConnection *connection,
                                UA_NetworkMessage* msg) {
    if(!msg || !connection)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    /* To Do The condition pMsg->dataSetClassIdEnabled
     * Here some filtering is possible */

    if(!msg->publisherIdEnabled) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "Cannot process DataSetReader without PublisherId");
        return UA_STATUSCODE_BADNOTIMPLEMENTED; /* TODO: Handle DSR without PublisherId */
    }

    /* There can be several readers listening for the same network message */
    UA_Boolean processed = false;
    UA_ReaderGroup *readerGroup;
    UA_DataSetReader *reader;
    LIST_FOREACH(readerGroup, &connection->readerGroups, listEntry) {
        LIST_FOREACH(reader, &readerGroup->readers, listEntry) {
            UA_StatusCode retval = checkReaderIdentifier(server, msg, reader);
            if(retval == UA_STATUSCODE_GOOD) {
                processed = true;
                processMessageWithReader(server, readerGroup, reader, msg);
            }
        }
    }

    if(!processed) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "Dataset reader not found. Check PublisherID, WriterGroupID "
                    "and DatasetWriterID");
    }

    return UA_STATUSCODE_GOOD;
}

/********************************************************************************
 * Functionality related to decoding, decrypting and processing network messages
 * as a subscriber
 ********************************************************************************/

#define MIN_PAYLOAD_SIZE_ETHERNET 46

/* Delete the payload value of every decoded DataSet field */
static void UA_DataSetMessage_freeDecodedPayload(UA_DataSetMessage *dsm) {
    if(dsm->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
        for(size_t i = 0; i < dsm->data.keyFrameData.fieldCount; i++) {
#ifdef UA_ENABLE_PUBSUB_BUFMALLOC
            UA_Variant_init(&dsm->data.keyFrameData.dataSetFields[i].value);
#else
            UA_Variant_clear(&dsm->data.keyFrameData.dataSetFields[i].value);
#endif
        }
    }
    else if(dsm->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
        for(size_t i = 0; i < dsm->data.keyFrameData.fieldCount; i++) {
#ifdef UA_ENABLE_PUBSUB_BUFMALLOC
            UA_DataValue_init(&dsm->data.keyFrameData.dataSetFields[i]);
#else
            UA_DataValue_clear(&dsm->data.keyFrameData.dataSetFields[i]);
#endif
        }
    }
}

UA_StatusCode
decodeNetworkMessage(UA_Server *server, UA_ByteString *buffer, size_t *pos,
                     UA_NetworkMessage *nm, UA_PubSubConnection *connection) {
#ifdef UA_DEBUG_DUMP_PKGS
    UA_dump_hex_pkg(buffer->data, buffer->length);
#endif

    UA_StatusCode rv = UA_NetworkMessage_decodeHeaders(buffer, pos, nm);
    UA_CHECK_STATUS_ERROR(rv, return rv,
                          &server->config.logger, UA_LOGCATEGORY_SERVER,
                          "PubSub receive. decoding headers failed");

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    UA_Boolean processed = false;
    UA_ReaderGroup *readerGroup;
    UA_DataSetReader *reader;

    /* Choose a correct readergroup for decrypt/verify this message
     * (there could be multiple) */
    LIST_FOREACH(readerGroup, &connection->readerGroups, listEntry) {
        LIST_FOREACH(reader, &readerGroup->readers, listEntry) {
            UA_StatusCode retval = checkReaderIdentifier(server, nm, reader);
            if(retval == UA_STATUSCODE_GOOD) {
                processed = true;
                rv = verifyAndDecryptNetworkMessage(&server->config.logger, buffer, pos,
                                                    nm, readerGroup);
                UA_CHECK_STATUS_WARN(rv, return rv,
                                     &server->config.logger, UA_LOGCATEGORY_SERVER,
                                     "Subscribe failed. verify and decrypt network message failed.");

#ifdef UA_DEBUG_DUMP_PKGS
                UA_dump_hex_pkg(buffer->data, buffer->length);
#endif
                /* break out of all loops when first verify & decrypt was successful */
                goto loops_exit;
            }
        }
    }

loops_exit:
    if(!processed) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "Dataset reader not found. Check PublisherId, "
                    "WriterGroupId and DatasetWriterId");
        /* Possible multicast scenario: there are multiple connections (with one
         * or more ReaderGroups) within a multicast group every connection
         * receives all network messages, even if some of them are not meant for
         * the connection currently processed -> therefore it is ok if the
         * connection does not have a DataSetReader for every received network
         * message. We must not return an error here, but continue with the
         * buffer decoding and see if we have a matching DataSetReader for the
         * next network message. */
    }
#endif

    rv = UA_NetworkMessage_decodePayload(buffer, pos, nm);
    UA_CHECK_STATUS(rv, return rv);

    rv = UA_NetworkMessage_decodeFooters(buffer, pos, nm);
    UA_CHECK_STATUS(rv, return rv);

    return UA_STATUSCODE_GOOD;
}

static
UA_StatusCode
decodeAndProcessNetworkMessage(UA_Server *server, UA_ReaderGroup *readerGroup,
                               UA_PubSubConnection *connection,
                               UA_ByteString *buffer) {
    UA_NetworkMessage nm;
    memset(&nm, 0, sizeof(UA_NetworkMessage));
    size_t currentPosition = 0;

    UA_StatusCode rv = UA_STATUSCODE_GOOD;
    rv = decodeNetworkMessage(server, buffer, &currentPosition, &nm, connection);
    UA_CHECK_STATUS_WARN(rv, goto cleanup, &server->config.logger, UA_LOGCATEGORY_SERVER,
                         "Subscribe failed. verify, decrypt and decode network message failed.");

    rv = UA_Server_processNetworkMessage(server, connection, &nm);
    // TODO: check what action to perform on error (nothing?)
    UA_CHECK_STATUS_WARN(rv, (void)0, &server->config.logger, UA_LOGCATEGORY_SERVER,
                         "Subscribe failed. process network message failed.");

cleanup:
    UA_NetworkMessage_clear(&nm);
    return rv;
}

static
UA_StatusCode
decodeAndProcessNetworkMessageRT(UA_Server *server, UA_ReaderGroup *readerGroup,
                                 UA_PubSubConnection *connection,
                                 UA_ByteString *buffer) {
#ifdef UA_ENABLE_PUBSUB_BUFMALLOC
    useMembufAlloc();
#endif

    /* Considering max DSM as 1
    * TODO: Process with the static value source */
    size_t currentPosition = 0;
    UA_DataSetReader *dataSetReader = LIST_FIRST(&readerGroup->readers);
    UA_NetworkMessage *nm = dataSetReader->bufferedMessage.nm;

    /* Decode only the necessary offset and update the networkMessage */
    UA_StatusCode res =
        UA_NetworkMessage_updateBufferedNwMessage(&dataSetReader->bufferedMessage,
                                                  buffer, &currentPosition);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "PubSub receive. Unknown field type.");
        res = UA_STATUSCODE_UNCERTAIN;
        goto cleanup;
    }

    /* Check the decoded message is the expected one
     * TODO: PublisherID check after modification in NM to support all datatypes */
    if(nm->groupHeader.writerGroupId != dataSetReader->config.writerGroupId ||
       *nm->payloadHeader.dataSetPayloadHeader.dataSetWriterIds != dataSetReader->config.dataSetWriterId) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "PubSub receive. Unknown message received. Will not be processed.");
        res = UA_STATUSCODE_UNCERTAIN;
        goto cleanup;
    }

    UA_DataSetReader_process(server, readerGroup, dataSetReader,
                             nm->payload.dataSetPayload.dataSetMessages);

 cleanup:
    UA_DataSetMessage_freeDecodedPayload(nm->payload.dataSetPayload.dataSetMessages);
#ifdef UA_ENABLE_PUBSUB_BUFMALLOC
    useNormalAlloc();
#endif
    return res;
}

typedef struct {
    UA_Server *server;
    UA_PubSubConnection *connection;
    UA_ReaderGroup *readerGroup;
} UA_RGContext;

static UA_StatusCode
decodeAndProcessFun(UA_PubSubChannel *channel, void *cbContext,
                    const UA_ByteString *buffer) {
    UA_ByteString mutableBuffer = {buffer->length, buffer->data};
    UA_RGContext *ctx = (UA_RGContext*) cbContext;
    return decodeAndProcessNetworkMessage(ctx->server, ctx->readerGroup,
                                          ctx->connection, &mutableBuffer);
}

static UA_StatusCode
decodeAndProcessFunRT(UA_PubSubChannel *channel, void *cbContext,
                      const UA_ByteString *buffer) {
    UA_ByteString mutableBuffer = {buffer->length, buffer->data};
    UA_RGContext *ctx = (UA_RGContext*) cbContext;
    return decodeAndProcessNetworkMessageRT(ctx->server, ctx->readerGroup,
                                            ctx->connection, &mutableBuffer);
}

UA_StatusCode
receiveBufferedNetworkMessage(UA_Server *server, UA_ReaderGroup *readerGroup,
                              UA_PubSubConnection *connection) {
    UA_RGContext ctx = {server, connection, readerGroup};
    UA_PubSubReceiveCallback receiveCB;
    if(readerGroup->config.rtLevel == UA_PUBSUB_RT_FIXED_SIZE)
        receiveCB = decodeAndProcessFunRT;
    else
        receiveCB = decodeAndProcessFun;

    /* TODO: Move the TransportSettings to to the readerGroupConfig. So we can
     * use it here instead of a NULL pointer. */
    UA_StatusCode rv =
        connection->channel->receive(connection->channel, NULL,
                                     receiveCB, &ctx,
                                     readerGroup->config.timeout);

    // TODO attention: here rv is ok if UA_STATUSCODE_GOOD != rv
    UA_CHECK_WARN(!UA_StatusCode_isBad(rv), return rv,
                  &server->config.logger, UA_LOGCATEGORY_SERVER,
                  "SubscribeCallback(): Connection receive failed!");

    return UA_STATUSCODE_GOOD;
}

#endif /* UA_ENABLE_PUBSUB */

/**** amalgamated original file "/src/pubsub/ua_pubsub_readergroup.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2018 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2019 Fraunhofer IOSB (Author: Julius Pfrommer)
 * Copyright (c) 2019 Kalycito Infotech Private Limited
 * Copyright (c) 2021 Fraunhofer IOSB (Author: Jan Hermes)
 */



#ifdef UA_ENABLE_PUBSUB /* conditional compilation */


#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
#endif

UA_ReaderGroup *
UA_ReaderGroup_findRGbyId(UA_Server *server, UA_NodeId identifier) {
    UA_PubSubConnection *pubSubConnection;
    TAILQ_FOREACH(pubSubConnection, &server->pubSubManager.connections, listEntry){
        UA_ReaderGroup* readerGroup = NULL;
        LIST_FOREACH(readerGroup, &pubSubConnection->readerGroups, listEntry) {
            if(UA_NodeId_equal(&identifier, &readerGroup->identifier))
                return readerGroup;
        }
    }
    return NULL;
}

UA_DataSetReader *UA_ReaderGroup_findDSRbyId(UA_Server *server, UA_NodeId identifier) {
    UA_PubSubConnection *pubSubConnection;
    TAILQ_FOREACH(pubSubConnection, &server->pubSubManager.connections, listEntry){
        UA_ReaderGroup* readerGroup = NULL;
        LIST_FOREACH(readerGroup, &pubSubConnection->readerGroups, listEntry) {
            UA_DataSetReader *tmpReader;
            LIST_FOREACH(tmpReader, &readerGroup->readers, listEntry) {
                if(UA_NodeId_equal(&tmpReader->identifier, &identifier))
                    return tmpReader;
            }
        }
    }
    return NULL;
}

/* Clear ReaderGroup */
static void
UA_Server_ReaderGroup_clear(UA_Server* server, UA_ReaderGroup *readerGroup);

/* ReaderGroup Config Handling */

UA_StatusCode
UA_ReaderGroupConfig_copy(const UA_ReaderGroupConfig *src,
                          UA_ReaderGroupConfig *dst) {
    memcpy(dst, src, sizeof(UA_ReaderGroupConfig));

    UA_StatusCode res = UA_String_copy(&src->name, &dst->name);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    res = UA_Array_copy(src->groupProperties, src->groupPropertiesSize,
                        (void**)&dst->groupProperties,
                        &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);
    if(res != UA_STATUSCODE_GOOD) {
        UA_String_clear(&dst->name);
        return res;
    }
    dst->groupPropertiesSize = src->groupPropertiesSize;
    return UA_STATUSCODE_GOOD;
}

void
UA_ReaderGroupConfig_clear(UA_ReaderGroupConfig *readerGroupConfig) {
    UA_String_clear(&readerGroupConfig->name);
    UA_Array_delete(readerGroupConfig->groupProperties,
                    readerGroupConfig->groupPropertiesSize,
                    &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);
    readerGroupConfig->groupProperties = NULL;
    readerGroupConfig->groupPropertiesSize = 0;
}

/* ReaderGroup Lifecycle */

UA_StatusCode
UA_Server_addReaderGroup(UA_Server *server, UA_NodeId connectionIdentifier,
                         const UA_ReaderGroupConfig *readerGroupConfig,
                         UA_NodeId *readerGroupIdentifier) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;

    /* Check for valid readergroup configuration */
    if(!readerGroupConfig)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    if(!readerGroupConfig->pubsubManagerCallback.addCustomCallback &&
       readerGroupConfig->enableBlockingSocket) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Adding ReaderGroup failed, blocking socket functionality "
                       "only supported in customcallback");
        return UA_STATUSCODE_BADNOTSUPPORTED;
    }

    /* Search the connection by the given connectionIdentifier */
    UA_PubSubConnection *currentConnectionContext =
        UA_PubSubConnection_findConnectionbyId(server, connectionIdentifier);
    if(!currentConnectionContext)
        return UA_STATUSCODE_BADNOTFOUND;

    if(currentConnectionContext->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Adding ReaderGroup failed. Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    /* Regist (bind) the connection channel if it is not already registered */
    if(!currentConnectionContext->isRegistered) {
        retval |= UA_PubSubConnection_regist(server, &connectionIdentifier);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    /* Allocate memory for new reader group */
    UA_ReaderGroup *newGroup = (UA_ReaderGroup *)UA_calloc(1, sizeof(UA_ReaderGroup));
    if(!newGroup)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    newGroup->componentType = UA_PUBSUB_COMPONENT_READERGROUP;
    /* Generate nodeid for the readergroup identifier */
    newGroup->linkedConnection = currentConnectionContext->identifier;

    /* Deep copy of the config */
    retval |= UA_ReaderGroupConfig_copy(readerGroupConfig, &newGroup->config);
    /* Check user configured params and define it accordingly */
    if(newGroup->config.subscribingInterval <= 0.0)
        newGroup->config.subscribingInterval = 5; // Set default to 5 ms

    if(newGroup->config.enableBlockingSocket)
        newGroup->config.timeout = 0; // Set timeout to 0 for blocking socket

    if((!newGroup->config.enableBlockingSocket) && (!newGroup->config.timeout))
        newGroup->config.timeout = 1000; /* Set default to 1ms socket timeout
                                            when non-blocking socket allows with
                                            zero timeout */

    LIST_INSERT_HEAD(&currentConnectionContext->readerGroups, newGroup, listEntry);
    currentConnectionContext->readerGroupsSize++;

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    retval |= addReaderGroupRepresentation(server, newGroup);
#else
    UA_PubSubManager_generateUniqueNodeId(&server->pubSubManager,
                                          &newGroup->identifier);
#endif
    if(readerGroupIdentifier)
        UA_NodeId_copy(&newGroup->identifier, readerGroupIdentifier);

    return retval;
}

UA_StatusCode
UA_Server_removeReaderGroup(UA_Server *server, UA_NodeId groupIdentifier) {
    UA_ReaderGroup* readerGroup =
        UA_ReaderGroup_findRGbyId(server, groupIdentifier);
    if(readerGroup == NULL)
        return UA_STATUSCODE_BADNOTFOUND;

    if(readerGroup->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Remove ReaderGroup failed. Subscriber configuration is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    /* Search the connection to which the given readergroup is connected to */
    UA_PubSubConnection *connection =
        UA_PubSubConnection_findConnectionbyId(server, readerGroup->linkedConnection);
    if(connection == NULL)
        return UA_STATUSCODE_BADNOTFOUND;

    /* Unregister subscribe callback */
    if(readerGroup->state == UA_PUBSUBSTATE_OPERATIONAL)
        UA_ReaderGroup_removeSubscribeCallback(server, readerGroup);

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    removeReaderGroupRepresentation(server, readerGroup);
#endif

    /* UA_Server_ReaderGroup_clear also removes itself from the list */
    UA_Server_ReaderGroup_clear(server, readerGroup);

    /* Remove readerGroup from Connection */
    LIST_REMOVE(readerGroup, listEntry);
    UA_free(readerGroup);
    return UA_STATUSCODE_GOOD;
}

/* TODO: Implement
UA_StatusCode
UA_Server_ReaderGroup_updateConfig(UA_Server *server, UA_NodeId readerGroupIdentifier,
                                   const UA_ReaderGroupConfig *config) {
    return UA_STATUSCODE_BADNOTIMPLEMENTED;
}
*/

UA_StatusCode
UA_Server_ReaderGroup_getConfig(UA_Server *server, UA_NodeId readerGroupIdentifier,
                                UA_ReaderGroupConfig *config) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    /* Identify the readergroup through the readerGroupIdentifier */
    UA_ReaderGroup *currentReaderGroup =
        UA_ReaderGroup_findRGbyId(server, readerGroupIdentifier);
    if(!currentReaderGroup)
        return UA_STATUSCODE_BADNOTFOUND;

    UA_ReaderGroupConfig tmpReaderGroupConfig;
    /* deep copy of the actual config */
    UA_ReaderGroupConfig_copy(&currentReaderGroup->config, &tmpReaderGroupConfig);
    *config = tmpReaderGroupConfig;
    return UA_STATUSCODE_GOOD;
}

static void
UA_Server_ReaderGroup_clear(UA_Server* server, UA_ReaderGroup *readerGroup) {
    UA_ReaderGroupConfig_clear(&readerGroup->config);
    UA_DataSetReader *dataSetReader;
    UA_DataSetReader *tmpDataSetReader;
    LIST_FOREACH_SAFE(dataSetReader, &readerGroup->readers, listEntry, tmpDataSetReader) {
        UA_Server_removeDataSetReader(server, dataSetReader->identifier);
    }
    UA_PubSubConnection* pConn =
        UA_PubSubConnection_findConnectionbyId(server, readerGroup->linkedConnection);
    if(pConn != NULL)
        pConn->readerGroupsSize--;

    /* Delete ReaderGroup and its members */
    UA_NodeId_clear(&readerGroup->linkedConnection);
    UA_NodeId_clear(&readerGroup->identifier);

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
    if(readerGroup->config.securityPolicy && readerGroup->securityPolicyContext) {
        readerGroup->config.securityPolicy->deleteContext(readerGroup->securityPolicyContext);
        readerGroup->securityPolicyContext = NULL;
    }
#endif

    UA_ReaderGroupConfig_clear(&readerGroup->config);
}

UA_StatusCode
UA_Server_ReaderGroup_getState(UA_Server *server, UA_NodeId readerGroupIdentifier,
                               UA_PubSubState *state) {
    if((server == NULL) || (state == NULL))
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_ReaderGroup *currentReaderGroup =
        UA_ReaderGroup_findRGbyId(server, readerGroupIdentifier);
    if(!currentReaderGroup)
        return UA_STATUSCODE_BADNOTFOUND;
    *state = currentReaderGroup->state;
    return UA_STATUSCODE_GOOD;
}

/* ReaderGroup State */

static UA_StatusCode
UA_ReaderGroup_setPubSubState_disable(UA_Server *server,
                                      UA_ReaderGroup *rg) {
    UA_DataSetReader *dataSetReader;
    switch(rg->state) {
    case UA_PUBSUBSTATE_DISABLED:
        return UA_STATUSCODE_GOOD;
    case UA_PUBSUBSTATE_PAUSED:
        break;
    case UA_PUBSUBSTATE_OPERATIONAL:
        UA_ReaderGroup_removeSubscribeCallback(server, rg);
        LIST_FOREACH(dataSetReader, &rg->readers, listEntry) {
            UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_DISABLED,
                                            dataSetReader);
        }
        rg->state = UA_PUBSUBSTATE_DISABLED;
        break;
    case UA_PUBSUBSTATE_ERROR:
        break;
    default:
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Unknown PubSub state!");
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_ReaderGroup_setPubSubState_paused(UA_Server *server,
                                     UA_ReaderGroup *rg) {
    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "PubSub state paused is unsupported at the moment!");
    switch(rg->state) {
    case UA_PUBSUBSTATE_DISABLED:
        break;
    case UA_PUBSUBSTATE_PAUSED:
        return UA_STATUSCODE_GOOD;
    case UA_PUBSUBSTATE_OPERATIONAL:
        break;
    case UA_PUBSUBSTATE_ERROR:
        break;
    default:
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Unknown PubSub state!");
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return UA_STATUSCODE_BADNOTSUPPORTED;
}

static UA_StatusCode
UA_ReaderGroup_setPubSubState_operational(UA_Server *server,
                                          UA_ReaderGroup *rg) {
    UA_DataSetReader *dataSetReader;
    switch(rg->state) {
    case UA_PUBSUBSTATE_DISABLED:
        LIST_FOREACH(dataSetReader, &rg->readers, listEntry) {
            UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_OPERATIONAL, dataSetReader);
        }
        UA_ReaderGroup_addSubscribeCallback(server, rg);
        rg->state = UA_PUBSUBSTATE_OPERATIONAL;
        return UA_STATUSCODE_GOOD;
    case UA_PUBSUBSTATE_PAUSED:
        break;
    case UA_PUBSUBSTATE_OPERATIONAL:
        return UA_STATUSCODE_GOOD;
    case UA_PUBSUBSTATE_ERROR:
        break;
    default:
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Unknown PubSub state!");
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return UA_STATUSCODE_BADNOTSUPPORTED;
}

static UA_StatusCode
UA_ReaderGroup_setPubSubState_error(UA_Server *server,
                                    UA_ReaderGroup *rg) {
    UA_DataSetReader *dataSetReader;
    switch(rg->state) {
    case UA_PUBSUBSTATE_DISABLED:
        break;
    case UA_PUBSUBSTATE_PAUSED:
        break;
    case UA_PUBSUBSTATE_OPERATIONAL:
        UA_ReaderGroup_removeSubscribeCallback(server, rg);
        LIST_FOREACH(dataSetReader, &rg->readers, listEntry){
            UA_DataSetReader_setPubSubState(server, UA_PUBSUBSTATE_ERROR, dataSetReader);
        }
        break;
    case UA_PUBSUBSTATE_ERROR:
        return UA_STATUSCODE_GOOD;
    default:
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Unknown PubSub state!");
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    rg->state = UA_PUBSUBSTATE_ERROR;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_ReaderGroup_setPubSubState(UA_Server *server, UA_PubSubState state,
                              UA_ReaderGroup *readerGroup) {
    switch(state) {
        case UA_PUBSUBSTATE_DISABLED:
            return UA_ReaderGroup_setPubSubState_disable(server, readerGroup);
        case UA_PUBSUBSTATE_PAUSED:
            return UA_ReaderGroup_setPubSubState_paused(server, readerGroup);
        case UA_PUBSUBSTATE_OPERATIONAL:
            return UA_ReaderGroup_setPubSubState_operational(server, readerGroup);
        case UA_PUBSUBSTATE_ERROR:
            return UA_ReaderGroup_setPubSubState_error(server, readerGroup);
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Received unknown PubSub state!");
            break;
    }
    return UA_STATUSCODE_BADINVALIDARGUMENT;
}

UA_StatusCode
UA_Server_setReaderGroupOperational(UA_Server *server, const UA_NodeId readerGroupId){
    UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, readerGroupId);
    if(!rg)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_ReaderGroup_setPubSubState(server, UA_PUBSUBSTATE_OPERATIONAL, rg);
}

UA_StatusCode
UA_Server_setReaderGroupDisabled(UA_Server *server, const UA_NodeId readerGroupId){
    UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, readerGroupId);
    if(!rg)
        return UA_STATUSCODE_BADNOTFOUND;
    return UA_ReaderGroup_setPubSubState(server, UA_PUBSUBSTATE_DISABLED, rg);
}

#ifdef UA_ENABLE_PUBSUB_ENCRYPTION
UA_StatusCode
UA_Server_setReaderGroupEncryptionKeys(UA_Server *server, const UA_NodeId readerGroup,
                                       UA_UInt32 securityTokenId,
                                       const UA_ByteString signingKey,
                                       const UA_ByteString encryptingKey,
                                       const UA_ByteString keyNonce) {
    UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, readerGroup);
    UA_CHECK_MEM(rg, return UA_STATUSCODE_BADNOTFOUND);

    UA_CHECK_MEM_WARN(rg->config.securityPolicy, return UA_STATUSCODE_BADINTERNALERROR,
                      &server->config.logger, UA_LOGCATEGORY_SERVER,
                      "No SecurityPolicy configured for the ReaderGroup");

    if(securityTokenId != rg->securityTokenId) {
        rg->securityTokenId = securityTokenId;
        rg->nonceSequenceNumber = 1;
    }

    /* Create a new context */
    if(!rg->securityPolicyContext) {
        return rg->config.securityPolicy->
            newContext(rg->config.securityPolicy->policyContext,
                       &signingKey, &encryptingKey, &keyNonce,
                       &rg->securityPolicyContext);
    }

    /* Update the context */
    return rg->config.securityPolicy->
        setSecurityKeys(rg->securityPolicyContext, &signingKey,
                        &encryptingKey, &keyNonce);
}
#endif

/* Freezing of the configuration */

UA_StatusCode
UA_Server_freezeReaderGroupConfiguration(UA_Server *server,
                                         const UA_NodeId readerGroupId) {
    UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, readerGroupId);
    if(!rg)
        return UA_STATUSCODE_BADNOTFOUND;

    /* PubSubConnection freezeCounter++ */
    UA_NodeId pubSubConnectionId =  rg->linkedConnection;
    UA_PubSubConnection *pubSubConnection =
        UA_PubSubConnection_findConnectionbyId(server, pubSubConnectionId);
    pubSubConnection->configurationFreezeCounter++;
    pubSubConnection->configurationFrozen = UA_TRUE;

    /* ReaderGroup freeze */
    /* TODO: Clarify on the freeze functionality in multiple DSR, multiple
     * networkMessage conf in a RG */
    rg->configurationFrozen = UA_TRUE;

    /* DataSetReader freeze */
    UA_DataSetReader *dataSetReader;
    UA_UInt16 dsrCount = 0;
    LIST_FOREACH(dataSetReader, &rg->readers, listEntry){
        dataSetReader->configurationFrozen = UA_TRUE;
        dsrCount++;
        /* TODO: Configuration frozen for subscribedDataSet once
         * UA_Server_DataSetReader_addTargetVariables API modified to support
         * adding target variable one by one or in a group stored in a list. */
    }

    /* Not rt, we don't have to adjust anything */
    if(rg->config.rtLevel != UA_PUBSUB_RT_FIXED_SIZE)
        return UA_STATUSCODE_GOOD;

    if(dsrCount > 1) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Mutiple DSR in a readerGroup not supported in RT "
                       "fixed size configuration");
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    }

    dataSetReader = LIST_FIRST(&rg->readers);

    /* Support only to UADP encoding */
    if(dataSetReader->config.messageSettings.content.decoded.type !=
       &UA_TYPES[UA_TYPES_UADPDATASETREADERMESSAGEDATATYPE]) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "PubSub-RT configuration fail: Non-RT capable encoding.");
        return UA_STATUSCODE_BADNOTSUPPORTED;
    }

    size_t fieldsSize = dataSetReader->config.dataSetMetaData.fieldsSize;
    for(size_t i = 0; i < fieldsSize; i++) {
        UA_FieldTargetVariable *tv =
            &dataSetReader->config.subscribedDataSet.subscribedDataSetTarget.targetVariables[i];
        const UA_VariableNode *rtNode = (const UA_VariableNode *)
            UA_NODESTORE_GET(server, &tv->targetVariable.targetNodeId);
        if(rtNode != NULL &&
           rtNode->valueBackend.backendType != UA_VALUEBACKENDTYPE_EXTERNAL) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "PubSub-RT configuration fail: PDS contains field "
                           "without external data source.");
            UA_NODESTORE_RELEASE(server, (const UA_Node *) rtNode);
            return UA_STATUSCODE_BADNOTSUPPORTED;
        }

        UA_NODESTORE_RELEASE(server, (const UA_Node *) rtNode);

        UA_FieldMetaData *field = &dataSetReader->config.dataSetMetaData.fields[i];
        if((UA_NodeId_equal(&field->dataType, &UA_TYPES[UA_TYPES_STRING].typeId) ||
            UA_NodeId_equal(&field->dataType, &UA_TYPES[UA_TYPES_BYTESTRING].typeId)) &&
           field->maxStringLength == 0) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "PubSub-RT configuration fail: "
                           "PDS contains String/ByteString with dynamic length.");
            return UA_STATUSCODE_BADNOTSUPPORTED;
        } else if(!UA_DataType_isNumeric(UA_findDataType(&field->dataType)) &&
                  !UA_NodeId_equal(&field->dataType, &UA_TYPES[UA_TYPES_BOOLEAN].typeId)) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "PubSub-RT configuration fail: "
                           "PDS contains variable with dynamic size.");
            return UA_STATUSCODE_BADNOTSUPPORTED;
        }
    }

    UA_DataSetMessage *dsm = (UA_DataSetMessage *) UA_calloc(1, sizeof(UA_DataSetMessage));
    if(!dsm) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub RT Offset calculation: DSM creation failed");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    /* Generate the DSM */
    UA_StatusCode res = UA_DataSetReader_generateDataSetMessage(server, dsm, dataSetReader);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "PubSub RT Offset calculation: DataSetMessage generation failed");
        UA_DataSetMessage_clear(dsm);
        UA_free(dsm);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Generate data set messages - Considering 1 DSM as max */
    UA_UInt16 *dsWriterIds = (UA_UInt16 *)UA_calloc(1, sizeof(UA_UInt16));
    if(!dsWriterIds) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub RT Offset calculation: DataSetWriterId creation failed");
        UA_DataSetMessage_clear(dsm);
        UA_free(dsm);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    *dsWriterIds = dataSetReader->config.dataSetWriterId;

    UA_NetworkMessage *networkMessage = (UA_NetworkMessage *)UA_calloc(1, sizeof(UA_NetworkMessage));
    if(!networkMessage) {
        UA_free(dsWriterIds);
        UA_DataSetMessage_clear(dsm);
        UA_free(dsm);
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub RT Offset calculation: Network message creation failed");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    res = UA_DataSetReader_generateNetworkMessage(pubSubConnection, dataSetReader, dsm,
                                                  dsWriterIds, 1, networkMessage);
    if(res != UA_STATUSCODE_GOOD) {
        UA_free(networkMessage->payload.dataSetPayload.sizes);
        UA_free(networkMessage);
        UA_free(dsWriterIds);
        UA_DataSetMessage_clear(dsm);
        UA_free(dsm);
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "PubSub RT Offset calculation: NetworkMessage generation failed");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Fix the offsets necessary to decode */
    memset(&dataSetReader->bufferedMessage, 0, sizeof(UA_NetworkMessageOffsetBuffer));
    UA_NetworkMessage_calcSizeBinary(networkMessage, &dataSetReader->bufferedMessage);
    dataSetReader->bufferedMessage.RTsubscriberEnabled = true;
    dataSetReader->bufferedMessage.nm = networkMessage;

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_unfreezeReaderGroupConfiguration(UA_Server *server,
                                           const UA_NodeId readerGroupId) {
    UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, readerGroupId);
    if(!rg)
        return UA_STATUSCODE_BADNOTFOUND;

    /* PubSubConnection freezeCounter-- */
    UA_NodeId pubSubConnectionId =  rg->linkedConnection;
    UA_PubSubConnection *pubSubConnection =
        UA_PubSubConnection_findConnectionbyId(server, pubSubConnectionId);
    pubSubConnection->configurationFreezeCounter--;
    if(pubSubConnection->configurationFreezeCounter == 0){
        pubSubConnection->configurationFrozen = UA_FALSE;
    }

    /* ReaderGroup unfreeze */
    rg->configurationFrozen = UA_FALSE;

    /* DataSetReader unfreeze */
    UA_DataSetReader *dataSetReader;
    LIST_FOREACH(dataSetReader, &rg->readers, listEntry) {
        UA_NetworkMessageOffsetBuffer_clear(&dataSetReader->bufferedMessage);
        dataSetReader->configurationFrozen = false;
    }

    return UA_STATUSCODE_GOOD;
}

/* This triggers the collection and reception of NetworkMessages and the
 * contained DataSetMessages. */
void
UA_ReaderGroup_subscribeCallback(UA_Server *server,
                                 UA_ReaderGroup *readerGroup) {
    // TODO: feedback for debug-assert vs runtime-check
    UA_assert(server);
    UA_assert(readerGroup);

    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "PubSub subscribe callback");

    UA_PubSubConnection *connection =
        UA_PubSubConnection_findConnectionbyId(server, readerGroup->linkedConnection);
    if(!connection) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "SubscribeCallback(): Find linked connection failed");
        UA_ReaderGroup_setPubSubState(server, UA_PUBSUBSTATE_ERROR, readerGroup);
        return;
    }

    receiveBufferedNetworkMessage(server, readerGroup, connection);
}

/* Add new subscribeCallback. The first execution is triggered directly after
 * creation. */
UA_StatusCode
UA_ReaderGroup_addSubscribeCallback(UA_Server *server, UA_ReaderGroup *readerGroup) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(readerGroup->config.pubsubManagerCallback.addCustomCallback)
        retval = readerGroup->config.pubsubManagerCallback.
            addCustomCallback(server, readerGroup->identifier,
               (UA_ServerCallback)UA_ReaderGroup_subscribeCallback,
               readerGroup, readerGroup->config.subscribingInterval,
               NULL, // TODO: Send base time from reader group config
               // TODO: Send timer policy from reader group config
               UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME,
               &readerGroup->subscribeCallbackId);
    else {
        if(readerGroup->config.enableBlockingSocket == UA_TRUE) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "addSubscribeCallback() failed, blocking socket "
                           "functionality only supported in customcallback");
            return UA_STATUSCODE_BADNOTSUPPORTED;
        }

        retval = UA_PubSubManager_addRepeatedCallback(server,
                    (UA_ServerCallback)UA_ReaderGroup_subscribeCallback,
                    readerGroup, readerGroup->config.subscribingInterval,
                    NULL, // TODO: Send base time from reader group config
                    // TODO: Send timer policy from reader group config
                    UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME,
                    &readerGroup->subscribeCallbackId);
    }

    /* Run once after creation */
    /* When using blocking socket functionality, the server mechanism might get
     * blocked. It is highly recommended to use custom callback when using
     * blockingsocket. */
    if(readerGroup->config.enableBlockingSocket != UA_TRUE)
        UA_ReaderGroup_subscribeCallback(server, readerGroup);

    return retval;
}

void
UA_ReaderGroup_removeSubscribeCallback(UA_Server *server, UA_ReaderGroup *readerGroup) {
    if(readerGroup->config.pubsubManagerCallback.removeCustomCallback)
        readerGroup->config.pubsubManagerCallback.
            removeCustomCallback(server, readerGroup->identifier,
                                 readerGroup->subscribeCallbackId);
    else
        UA_PubSubManager_removeRepeatedPubSubCallback(server,
                                                      readerGroup->subscribeCallbackId);
}

#endif /* UA_ENABLE_PUBSUB */

/**** amalgamated original file "/src/pubsub/ua_pubsub_manager.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2019 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2018 Fraunhofer IOSB (Author: Julius Pfrommer)
 */


#ifdef UA_ENABLE_PUBSUB /* conditional compilation */


#define UA_DATETIMESTAMP_2000 125911584000000000

UA_StatusCode
UA_Server_addPubSubConnection(UA_Server *server,
                              const UA_PubSubConnectionConfig *connectionConfig,
                              UA_NodeId *connectionIdentifier) {
    /* Find the matching UA_PubSubTransportLayers */
    UA_PubSubTransportLayer *tl = NULL;
    for(size_t i = 0; i < server->config.pubSubConfig.transportLayersSize; i++) {
        if(connectionConfig &&
           UA_String_equal(&server->config.pubSubConfig.transportLayers[i].transportProfileUri,
                           &connectionConfig->transportProfileUri)) {
            tl = &server->config.pubSubConfig.transportLayers[i];
        }
    }
    if(!tl) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub Connection creation failed. Requested transport layer not found.");
        return UA_STATUSCODE_BADNOTFOUND;
    }

    /* Create a copy of the connection config */
    UA_PubSubConnectionConfig *tmpConnectionConfig = (UA_PubSubConnectionConfig *)
        UA_calloc(1, sizeof(UA_PubSubConnectionConfig));
    if(!tmpConnectionConfig){
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub Connection creation failed. Out of Memory.");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_StatusCode retval = UA_PubSubConnectionConfig_copy(connectionConfig, tmpConnectionConfig);
    if(retval != UA_STATUSCODE_GOOD){
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub Connection creation failed. Could not copy the config.");
        return retval;
    }

    /* Create new connection and add to UA_PubSubManager */
    UA_PubSubConnection *newConnectionsField = (UA_PubSubConnection *)
        UA_calloc(1, sizeof(UA_PubSubConnection));
    if(!newConnectionsField) {
        UA_PubSubConnectionConfig_clear(tmpConnectionConfig);
        UA_free(tmpConnectionConfig);
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub Connection creation failed. Out of Memory.");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    newConnectionsField->componentType = UA_PUBSUB_COMPONENT_CONNECTION;
    if (server->pubSubManager.connectionsSize != 0)
        TAILQ_INSERT_TAIL(&server->pubSubManager.connections, newConnectionsField, listEntry);
    else {
        TAILQ_INIT(&server->pubSubManager.connections);
        TAILQ_INSERT_HEAD(&server->pubSubManager.connections, newConnectionsField, listEntry);
    }

    server->pubSubManager.connectionsSize++;

    LIST_INIT(&newConnectionsField->writerGroups);
    newConnectionsField->config = tmpConnectionConfig;

    /* Open the channel */
    newConnectionsField->channel = tl->createPubSubChannel(newConnectionsField->config);
    if(!newConnectionsField->channel) {
        UA_PubSubConnection_clear(server, newConnectionsField);
        TAILQ_REMOVE(&server->pubSubManager.connections, newConnectionsField, listEntry);
        server->pubSubManager.connectionsSize--;
        UA_free(newConnectionsField);
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PubSub Connection creation failed. Transport layer creation problem.");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    /* Internally createa a unique id */
    addPubSubConnectionRepresentation(server, newConnectionsField);
#else
    /* Create a unique NodeId that does not correspond to a Node */
    UA_PubSubManager_generateUniqueNodeId(&server->pubSubManager,
                                          &newConnectionsField->identifier);
#endif

    if(connectionIdentifier)
        UA_NodeId_copy(&newConnectionsField->identifier, connectionIdentifier);

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_removePubSubConnection(UA_Server *server, const UA_NodeId connection) {
    //search the identified Connection and store the Connection index
    UA_PubSubConnection *currentConnection = UA_PubSubConnection_findConnectionbyId(server, connection);
    if(!currentConnection)
        return UA_STATUSCODE_BADNOTFOUND;

    UA_WriterGroup *wg, *wg_tmp;
    LIST_FOREACH_SAFE(wg, &currentConnection->writerGroups, listEntry, wg_tmp) {
        UA_Server_unfreezeWriterGroupConfiguration(server, wg->identifier);
        UA_Server_removeWriterGroup(server, wg->identifier);
    }

    UA_ReaderGroup *rg, *rg_tmp;
    LIST_FOREACH_SAFE(rg, &currentConnection->readerGroups, listEntry, rg_tmp) {
        UA_Server_unfreezeReaderGroupConfiguration(server, rg->identifier);
        UA_Server_removeReaderGroup(server, rg->identifier);
    }

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    removePubSubConnectionRepresentation(server, currentConnection);
#endif
    server->pubSubManager.connectionsSize--;

    UA_PubSubConnection_clear(server, currentConnection);
    TAILQ_REMOVE(&server->pubSubManager.connections, currentConnection, listEntry);
    UA_free(currentConnection);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_PubSubConnection_regist(UA_Server *server, UA_NodeId *connectionIdentifier) {
    UA_PubSubConnection *connection =
        UA_PubSubConnection_findConnectionbyId(server, *connectionIdentifier);
    if(!connection)
        return UA_STATUSCODE_BADNOTFOUND;

    if(connection->isRegistered) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER, "Connection already registered");
        return UA_STATUSCODE_GOOD;
    }

    UA_StatusCode retval = connection->channel->regist(connection->channel, NULL, NULL);
    if(retval != UA_STATUSCODE_GOOD)
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "register channel failed: 0x%" PRIx32 "!", retval);

    connection->isRegistered = UA_TRUE;
    return retval;
}

UA_AddPublishedDataSetResult
UA_Server_addPublishedDataSet(UA_Server *server,
                              const UA_PublishedDataSetConfig *publishedDataSetConfig,
                              UA_NodeId *pdsIdentifier) {
    UA_AddPublishedDataSetResult result = {UA_STATUSCODE_BADINVALIDARGUMENT, 0, NULL, {0, 0}};
    if(!publishedDataSetConfig){
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PublishedDataSet creation failed. No config passed in.");
        return result;
    }

    if(publishedDataSetConfig->publishedDataSetType != UA_PUBSUB_DATASET_PUBLISHEDITEMS){
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PublishedDataSet creation failed. Unsupported PublishedDataSet type.");
        return result;
    }

    /* Create new PDS and add to UA_PubSubManager */
    UA_PublishedDataSet *newPDS = (UA_PublishedDataSet *)
        UA_calloc(1, sizeof(UA_PublishedDataSet));
    if(!newPDS) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PublishedDataSet creation failed. Out of Memory.");
        result.addResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return result;
    }
    TAILQ_INIT(&newPDS->fields);

    UA_PublishedDataSetConfig *newConfig = &newPDS->config;

    /* Deep copy the given connection config */
    UA_StatusCode res = UA_PublishedDataSetConfig_copy(publishedDataSetConfig, newConfig);
    if(res != UA_STATUSCODE_GOOD){
        UA_free(newPDS);
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "PublishedDataSet creation failed. Configuration copy failed.");
        result.addResult = UA_STATUSCODE_BADINTERNALERROR;
        return result;
    }

    /* TODO: Parse template config and add fields (later PubSub batch) */
    if(newConfig->publishedDataSetType == UA_PUBSUB_DATASET_PUBLISHEDITEMS_TEMPLATE) {
    }

    /* Fill the DataSetMetaData */
    result.configurationVersion.majorVersion = UA_PubSubConfigurationVersionTimeDifference();
    result.configurationVersion.minorVersion = UA_PubSubConfigurationVersionTimeDifference();
    switch(newConfig->publishedDataSetType) {
    case UA_PUBSUB_DATASET_PUBLISHEDEVENTS_TEMPLATE:
        res = UA_STATUSCODE_BADNOTSUPPORTED;
        break;
    case UA_PUBSUB_DATASET_PUBLISHEDEVENTS:
        res = UA_STATUSCODE_BADNOTSUPPORTED;
        break;
    case UA_PUBSUB_DATASET_PUBLISHEDITEMS:
        newPDS->dataSetMetaData.configurationVersion.majorVersion =
            UA_PubSubConfigurationVersionTimeDifference();
        newPDS->dataSetMetaData.configurationVersion.minorVersion =
            UA_PubSubConfigurationVersionTimeDifference();
        newPDS->dataSetMetaData.description = UA_LOCALIZEDTEXT_ALLOC("", "");
        newPDS->dataSetMetaData.dataSetClassId = UA_GUID_NULL;
        res = UA_String_copy(&newConfig->name, &newPDS->dataSetMetaData.name);
        break;
    case UA_PUBSUB_DATASET_PUBLISHEDITEMS_TEMPLATE:
        res = UA_DataSetMetaDataType_copy(&newConfig->config.itemsTemplate.metaData,
                                          &newPDS->dataSetMetaData);
        break;
    default:
        res = UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Abort? */
    result.addResult = res;
    if(result.addResult != UA_STATUSCODE_GOOD) {
        UA_PublishedDataSetConfig_clear(newConfig);
        UA_free(newPDS);
        return result;
    }

    /* Insert into the queue of the manager */
    if(server->pubSubManager.publishedDataSetsSize != 0) {
        TAILQ_INSERT_TAIL(&server->pubSubManager.publishedDataSets,
                          newPDS, listEntry);
    } else {
        TAILQ_INIT(&server->pubSubManager.publishedDataSets);
        TAILQ_INSERT_HEAD(&server->pubSubManager.publishedDataSets,
                          newPDS, listEntry);
    }
    server->pubSubManager.publishedDataSetsSize++;

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    /* Create representation and unique id */
    addPublishedDataItemsRepresentation(server, newPDS);
#else
    /* Generate unique nodeId */
    UA_PubSubManager_generateUniqueNodeId(&server->pubSubManager, &newPDS->identifier);
#endif
    if(pdsIdentifier)
        UA_NodeId_copy(&newPDS->identifier, pdsIdentifier);

    return result;
}

UA_StatusCode
UA_Server_removePublishedDataSet(UA_Server *server, const UA_NodeId pds) {
    //search the identified PublishedDataSet and store the PDS index
    UA_PublishedDataSet *publishedDataSet = UA_PublishedDataSet_findPDSbyId(server, pds);
    if(!publishedDataSet){
        return UA_STATUSCODE_BADNOTFOUND;
    }
    if(publishedDataSet->configurationFrozen){
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Remove PublishedDataSet failed. PublishedDataSet is frozen.");
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    }

    //search for referenced writers -> delete this writers. (Standard: writer must be connected with PDS)
    UA_PubSubConnection *tmpConnectoin;
    TAILQ_FOREACH(tmpConnectoin, &server->pubSubManager.connections, listEntry){
        UA_WriterGroup *writerGroup;
        LIST_FOREACH(writerGroup, &tmpConnectoin->writerGroups, listEntry){
            UA_DataSetWriter *currentWriter, *tmpWriterGroup;
            LIST_FOREACH_SAFE(currentWriter, &writerGroup->writers, listEntry, tmpWriterGroup){
                if(UA_NodeId_equal(&currentWriter->connectedDataSet, &publishedDataSet->identifier)){
                    UA_Server_removeDataSetWriter(server, currentWriter->identifier);
                }
            }
        }
    }
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL
    removePublishedDataSetRepresentation(server, publishedDataSet);
#endif
    UA_PublishedDataSet_clear(server, publishedDataSet);
    server->pubSubManager.publishedDataSetsSize--;

    TAILQ_REMOVE(&server->pubSubManager.publishedDataSets, publishedDataSet, listEntry);
    UA_free(publishedDataSet);
    return UA_STATUSCODE_GOOD;
}

/* Calculate the time difference between current time and UTC (00:00) on January
 * 1, 2000. */
UA_UInt32
UA_PubSubConfigurationVersionTimeDifference(void) {
    UA_UInt32 timeDiffSince2000 = (UA_UInt32) (UA_DateTime_now() - UA_DATETIMESTAMP_2000);
    return timeDiffSince2000;
}

/* Generate a new unique NodeId. This NodeId will be used for the information
 * model representation of PubSub entities. */
#ifndef UA_ENABLE_PUBSUB_INFORMATIONMODEL
void
UA_PubSubManager_generateUniqueNodeId(UA_PubSubManager *psm, UA_NodeId *nodeId) {
    *nodeId = UA_NODEID_NUMERIC(1, ++psm->uniqueIdCount);
}
#endif

UA_Guid
UA_PubSubManager_generateUniqueGuid(UA_Server *server) {
    while(true) {
        UA_NodeId testId = UA_NODEID_GUID(1, UA_Guid_random());
        const UA_Node *testNode = UA_NODESTORE_GET(server, &testId);
        if(!testNode)
            return testId.identifier.guid;
        UA_NODESTORE_RELEASE(server, testNode);
    }
}

/* Delete the current PubSub configuration including all nested members. This
 * action also delete the configured PubSub transport Layers. */
void
UA_PubSubManager_delete(UA_Server *server, UA_PubSubManager *pubSubManager) {
    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER, "PubSub cleanup was called.");

    /* Stop and unfreeze all WriterGroups */
    UA_PubSubConnection *tmpConnection;
    TAILQ_FOREACH(tmpConnection, &server->pubSubManager.connections, listEntry){
        for(size_t i = 0; i < pubSubManager->connectionsSize; i++) {
            UA_WriterGroup *writerGroup;
            LIST_FOREACH(writerGroup, &tmpConnection->writerGroups, listEntry) {
                UA_WriterGroup_setPubSubState(server, UA_PUBSUBSTATE_DISABLED, writerGroup);
                UA_Server_unfreezeWriterGroupConfiguration(server, writerGroup->identifier);
            }
        }
    }

    //free the currently configured transport layers
    if(server->config.pubSubConfig.transportLayersSize > 0) {
        UA_free(server->config.pubSubConfig.transportLayers);
        server->config.pubSubConfig.transportLayersSize = 0;
    }

    //remove Connections and WriterGroups
    UA_PubSubConnection *tmpConnection1, *tmpConnection2;
    TAILQ_FOREACH_SAFE(tmpConnection1, &server->pubSubManager.connections, listEntry, tmpConnection2){
        UA_Server_removePubSubConnection(server, tmpConnection1->identifier);
    }
    UA_PublishedDataSet *tmpPDS1, *tmpPDS2;
    TAILQ_FOREACH_SAFE(tmpPDS1, &server->pubSubManager.publishedDataSets, listEntry, tmpPDS2){
        UA_Server_removePublishedDataSet(server, tmpPDS1->identifier);
    }
}

/***********************************/
/*      PubSub Jobs abstraction    */
/***********************************/

/* Default Timer based PubSub Callbacks */

UA_StatusCode
UA_PubSubManager_addRepeatedCallback(UA_Server *server, UA_ServerCallback callback,
                                     void *data, UA_Double interval_ms, UA_DateTime *baseTime,
                                     UA_TimerPolicy timerPolicy, UA_UInt64 *callbackId) {
    return UA_Timer_addRepeatedCallback(&server->timer, (UA_ApplicationCallback)callback,
                                        server, data, interval_ms, baseTime, timerPolicy, callbackId);
}

UA_StatusCode
UA_PubSubManager_changeRepeatedCallback(UA_Server *server, UA_UInt64 callbackId,
                                        UA_Double interval_ms, UA_DateTime *baseTime,
                                        UA_TimerPolicy timerPolicy) {
    return UA_Timer_changeRepeatedCallback(&server->timer, callbackId, interval_ms, baseTime, timerPolicy);
}

void
UA_PubSubManager_removeRepeatedPubSubCallback(UA_Server *server, UA_UInt64 callbackId) {
    UA_Timer_removeCallback(&server->timer, callbackId);
}


#ifdef UA_ENABLE_PUBSUB_MONITORING

static UA_StatusCode
UA_PubSubComponent_createMonitoring(UA_Server *server, UA_NodeId Id, UA_PubSubComponentEnumType eComponentType, 
                                    UA_PubSubMonitoringType eMonitoringType, void *data, UA_ServerCallback callback) {
    
    if ((!server) || (!data)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "Error UA_PubSubComponent_createMonitoring(): "
            "null pointer param");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    switch (eComponentType) {
        case UA_PUBSUB_COMPONENT_DATASETREADER: {
            UA_DataSetReader *reader = (UA_DataSetReader*) data;
            switch (eMonitoringType) {
                case UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT:
                    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER, "UA_PubSubComponent_createMonitoring(): DataSetReader '%.*s' "
                        "- MessageReceiveTimeout", (UA_Int32) reader->config.name.length, reader->config.name.data);
                    reader->msgRcvTimeoutTimerCallback = callback;
                    break;
                default:
                    UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "UA_PubSubComponent_createMonitoring(): DataSetReader '%.*s' "
                        "DataSetReader does not support timeout type '%i'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                        eMonitoringType);
                    ret = UA_STATUSCODE_BADNOTSUPPORTED;
                    break;
            }
            break;
        }
        default:
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Error UA_PubSubComponent_createMonitoring(): PubSub component type '%i' is not supported", eComponentType);
            ret = UA_STATUSCODE_BADNOTSUPPORTED;
            break;
    }
    return ret;
}

static UA_StatusCode
UA_PubSubComponent_startMonitoring(UA_Server *server, UA_NodeId Id, UA_PubSubComponentEnumType eComponentType, 
                                   UA_PubSubMonitoringType eMonitoringType, void *data) {

    if ((!server) || (!data)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "Error UA_PubSubComponent_startMonitoring(): "
            "null pointer param");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    switch (eComponentType) {
        case UA_PUBSUB_COMPONENT_DATASETREADER: {
            UA_DataSetReader *reader = (UA_DataSetReader*) data;
            switch (eMonitoringType) {
                case UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT: {
                    /* use a timed callback, because one notification is enough, 
                    we assume that MessageReceiveTimeout configuration is in [ms], we do not handle or check fractions */
                    UA_UInt64 interval = (UA_UInt64)(reader->config.messageReceiveTimeout * UA_DATETIME_MSEC);
                    ret = UA_Timer_addTimedCallback(&server->timer, (UA_ApplicationCallback) reader->msgRcvTimeoutTimerCallback, 
                        server, reader, UA_DateTime_nowMonotonic() + (UA_DateTime) interval, &(reader->msgRcvTimeoutTimerId));
                    if (ret == UA_STATUSCODE_GOOD) {
                        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                            "UA_PubSubComponent_startMonitoring(): DataSetReader '%.*s'- MessageReceiveTimeout: MessageReceiveTimeout = '%f' "
                            "Timer Id = '%u'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                                reader->config.messageReceiveTimeout, (UA_UInt32) reader->msgRcvTimeoutTimerId);
                    } else {
                        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                            "Error UA_PubSubComponent_startMonitoring(): DataSetReader '%.*s' - MessageReceiveTimeout: start timer failed", 
                                (UA_Int32) reader->config.name.length, reader->config.name.data);
                    }
                    break;
                }
                default:
                    UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "UA_PubSubComponent_startMonitoring(): DataSetReader '%.*s' "
                        "DataSetReader does not support timeout type '%i'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                            eMonitoringType);
                    ret = UA_STATUSCODE_BADNOTSUPPORTED;
                    break;
            }
            break;
        }
        default:
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Error UA_PubSubComponent_startMonitoring(): PubSub component type '%i' is not supported", eComponentType);
            ret = UA_STATUSCODE_BADNOTSUPPORTED;
            break;
    }
    return ret;
}

static UA_StatusCode
UA_PubSubComponent_stopMonitoring(UA_Server *server, UA_NodeId Id, UA_PubSubComponentEnumType eComponentType, 
                                  UA_PubSubMonitoringType eMonitoringType, void *data) {

    if ((!server) || (!data)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "Error UA_PubSubComponent_stopMonitoring(): "
            "null pointer param");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    switch (eComponentType) {
        case UA_PUBSUB_COMPONENT_DATASETREADER: {
            UA_DataSetReader *reader = (UA_DataSetReader*) data;
            switch (eMonitoringType) {
                case UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT: {
                    UA_Timer_removeCallback(&server->timer, reader->msgRcvTimeoutTimerId);
                    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "UA_PubSubComponent_stopMonitoring(): DataSetReader '%.*s' - MessageReceiveTimeout: MessageReceiveTimeout = '%f' "
                            "Timer Id = '%u'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                                reader->config.messageReceiveTimeout, (UA_UInt32) reader->msgRcvTimeoutTimerId);
                    break;
                }
                default:
                    UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "UA_PubSubComponent_stopMonitoring(): DataSetReader '%.*s' "
                        "DataSetReader does not support timeout type '%i'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                        eMonitoringType);
                    ret = UA_STATUSCODE_BADNOTSUPPORTED;
                    break;
            }
            break;
        }
        default:
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Error UA_PubSubComponent_stopMonitoring(): PubSub component type '%i' is not supported", eComponentType);
            ret = UA_STATUSCODE_BADNOTSUPPORTED;
            break;
    }
    return ret;
}

static UA_StatusCode
UA_PubSubComponent_updateMonitoringInterval(UA_Server *server, UA_NodeId Id, UA_PubSubComponentEnumType eComponentType, 
                                            UA_PubSubMonitoringType eMonitoringType, void *data)
{
    if ((!server) || (!data)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "Error UA_PubSubComponent_updateMonitoringInterval(): "
            "null pointer param");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    switch (eComponentType) {
        case UA_PUBSUB_COMPONENT_DATASETREADER: {
            UA_DataSetReader *reader = (UA_DataSetReader*) data;
            switch (eMonitoringType) {
                case UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT: {
                    ret = UA_Timer_changeRepeatedCallback(&server->timer, reader->msgRcvTimeoutTimerId,
                                                          reader->config.messageReceiveTimeout, NULL,
                                                          UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME);
                    if (ret == UA_STATUSCODE_GOOD) {
                        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                            "UA_PubSubComponent_updateMonitoringInterval(): DataSetReader '%.*s' - MessageReceiveTimeout: new MessageReceiveTimeout = '%f' "
                            "Timer Id = '%u'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                                reader->config.messageReceiveTimeout, (UA_UInt32) reader->msgRcvTimeoutTimerId);
                    } else {
                        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                            "Error UA_PubSubComponent_updateMonitoringInterval(): DataSetReader '%.*s': update timer interval failed", 
                                (UA_Int32) reader->config.name.length, reader->config.name.data);
                    }
                    break;
                }
                default:
                    UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "UA_PubSubComponent_createMonitoring(): DataSetReader '%.*s' "
                        "DataSetReader does not support timeout type '%i'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                        eMonitoringType);
                    ret = UA_STATUSCODE_BADNOTSUPPORTED;
                    break;
            }
            break;
        }
        default:
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Error UA_PubSubComponent_updateMonitoringInterval(): PubSub component type '%i' is not supported", eComponentType);
            ret = UA_STATUSCODE_BADNOTSUPPORTED;
            break;
    }
    return ret;
}

static UA_StatusCode
UA_PubSubComponent_deleteMonitoring(UA_Server *server, UA_NodeId Id, UA_PubSubComponentEnumType eComponentType, 
                                    UA_PubSubMonitoringType eMonitoringType, void *data) {

    if ((!server) || (!data)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "Error UA_PubSubComponent_deleteMonitoring(): "
            "null pointer param");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    switch (eComponentType) {
        case UA_PUBSUB_COMPONENT_DATASETREADER: {
            UA_DataSetReader *reader = (UA_DataSetReader*) data;
            switch (eMonitoringType) {
                case UA_PUBSUB_MONITORING_MESSAGE_RECEIVE_TIMEOUT:
                    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "UA_PubSubComponent_deleteMonitoring(): DataSetReader '%.*s' - MessageReceiveTimeout: Timer Id = '%u'", 
                        (UA_Int32) reader->config.name.length, reader->config.name.data, (UA_UInt32) reader->msgRcvTimeoutTimerId);
                    break;
                default:
                    UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "UA_PubSubComponent_deleteMonitoring(): DataSetReader '%.*s' "
                        "DataSetReader does not support timeout type '%i'", (UA_Int32) reader->config.name.length, reader->config.name.data, 
                        eMonitoringType);
                    ret = UA_STATUSCODE_BADNOTSUPPORTED;
                    break;
            }
            break;
        }
        default:
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Error UA_PubSubComponent_deleteMonitoring(): PubSub component type '%i' is not supported", eComponentType);
            ret = UA_STATUSCODE_BADNOTSUPPORTED;
            break;
    }
    return ret;
}

UA_StatusCode
UA_PubSubManager_setDefaultMonitoringCallbacks(UA_PubSubMonitoringInterface *monitoringInterface) {
    if (monitoringInterface == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    monitoringInterface->createMonitoring = UA_PubSubComponent_createMonitoring;
    monitoringInterface->startMonitoring = UA_PubSubComponent_startMonitoring;
    monitoringInterface->stopMonitoring = UA_PubSubComponent_stopMonitoring;
    monitoringInterface->updateMonitoringInterval = UA_PubSubComponent_updateMonitoringInterval;
    monitoringInterface->deleteMonitoring = UA_PubSubComponent_deleteMonitoring;
    return UA_STATUSCODE_GOOD;
}

#endif /* UA_ENABLE_PUBSUB_MONITORING */

#endif /* UA_ENABLE_PUBSUB */

/**** amalgamated original file "/src/pubsub/ua_pubsub_ns0.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2017-2018 Fraunhofer IOSB (Author: Andreas Ebner)
 * Copyright (c) 2019-2021 Kalycito Infotech Private Limited
 * Copyright (c) 2020 Yannick Wallerer, Siemens AG
 * Copyright (c) 2020 Thomas Fischer, Siemens AG
 */


#ifdef UA_ENABLE_PUBSUB_FILE_CONFIG
#endif

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL /* conditional compilation */

typedef struct {
    UA_NodeId parentNodeId;
    UA_UInt32 parentClassifier;
    UA_UInt32 elementClassiefier;
} UA_NodePropertyContext;

static UA_StatusCode
writePubSubNs0VariableArray(UA_Server *server, UA_UInt32 id, void *v,
                      size_t length, const UA_DataType *type) {
    UA_Variant var;
    UA_Variant_init(&var);
    UA_Variant_setArray(&var, v, length, type);
    return UA_Server_writeValue(server, UA_NODEID_NUMERIC(0, id), var);
}

static UA_NodeId
findSingleChildNode(UA_Server *server, UA_QualifiedName targetName,
                    UA_NodeId referenceTypeId, UA_NodeId startingNode){
    UA_NodeId resultNodeId;
    UA_RelativePathElement rpe;
    UA_RelativePathElement_init(&rpe);
    rpe.referenceTypeId = referenceTypeId;
    rpe.isInverse = false;
    rpe.includeSubtypes = false;
    rpe.targetName = targetName;
    UA_BrowsePath bp;
    UA_BrowsePath_init(&bp);
    bp.startingNode = startingNode;
    bp.relativePath.elementsSize = 1;
    bp.relativePath.elements = &rpe;
    UA_BrowsePathResult bpr = UA_Server_translateBrowsePathToNodeIds(server, &bp);
    if(bpr.statusCode != UA_STATUSCODE_GOOD ||
       bpr.targetsSize < 1)
        return UA_NODEID_NULL;
    UA_StatusCode res = UA_NodeId_copy(&bpr.targets[0].targetId.nodeId, &resultNodeId);
    if(res != UA_STATUSCODE_GOOD){
        UA_BrowsePathResult_clear(&bpr);
        return UA_NODEID_NULL;
    }
    UA_BrowsePathResult_clear(&bpr);
    return resultNodeId;
}

static void
onRead(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
       const UA_NodeId *nodeid, void *context,
       const UA_NumericRange *range, const UA_DataValue *data) {
    UA_Variant value;
    UA_Variant_init(&value);
    const UA_NodePropertyContext *nodeContext = (const UA_NodePropertyContext*)context;
    const UA_NodeId *myNodeId = &nodeContext->parentNodeId;

    switch(nodeContext->parentClassifier){
    case UA_NS0ID_PUBSUBCONNECTIONTYPE: {
        UA_PubSubConnection *pubSubConnection =
            UA_PubSubConnection_findConnectionbyId(server, *myNodeId);
        switch(nodeContext->elementClassiefier) {
        case UA_NS0ID_PUBSUBCONNECTIONTYPE_PUBLISHERID:
            if(pubSubConnection->config->publisherIdType == UA_PUBSUB_PUBLISHERID_STRING) {
                UA_Variant_setScalarCopy(&value, &pubSubConnection->config->publisherId.numeric,
                                         &UA_TYPES[UA_TYPES_STRING]);
            } else {
                UA_Variant_setScalarCopy(&value, &pubSubConnection->config->publisherId.numeric,
                                         &UA_TYPES[UA_TYPES_UINT32]);
            }
            break;
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Read error! Unknown property.");
        }
        break;
    }
    case UA_NS0ID_DATASETREADERTYPE: {
        UA_DataSetReader *dataSetReader = UA_ReaderGroup_findDSRbyId(server, *myNodeId);
        if(!dataSetReader)
            return;

        switch(nodeContext->elementClassiefier) {
        case UA_NS0ID_DATASETREADERTYPE_PUBLISHERID:
            UA_Variant_setScalarCopy(&value, dataSetReader->config.publisherId.data,
                                     dataSetReader->config.publisherId.type);
            break;
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Read error! Unknown property.");
        }
        break;
    }
    case UA_NS0ID_WRITERGROUPTYPE: {
        UA_WriterGroup *writerGroup = UA_WriterGroup_findWGbyId(server, *myNodeId);
        if(!writerGroup)
            return;
        switch(nodeContext->elementClassiefier){
        case UA_NS0ID_WRITERGROUPTYPE_PUBLISHINGINTERVAL:
            UA_Variant_setScalarCopy(&value, &writerGroup->config.publishingInterval,
                                     &UA_TYPES[UA_TYPES_DURATION]);
            break;
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Read error! Unknown property.");
        }
        break;
    }
    case UA_NS0ID_DATASETWRITERTYPE: {
        UA_DataSetWriter *dataSetWriter = UA_DataSetWriter_findDSWbyId(server, *myNodeId);
        if(!dataSetWriter)
            return;

        switch(nodeContext->elementClassiefier) {
            case UA_NS0ID_DATASETWRITERTYPE_DATASETWRITERID:
                UA_Variant_setScalarCopy(&value, &dataSetWriter->config.dataSetWriterId,
                                         &UA_TYPES[UA_TYPES_UINT16]);
                break;
            default:
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "Read error! Unknown property.");
        }
        break;
    }
    case UA_NS0ID_PUBLISHEDDATAITEMSTYPE: {
        UA_PublishedDataSet *publishedDataSet = UA_PublishedDataSet_findPDSbyId(server, *myNodeId);
        if(!publishedDataSet)
            return;
        switch(nodeContext->elementClassiefier) {
        case UA_NS0ID_PUBLISHEDDATAITEMSTYPE_PUBLISHEDDATA: {
            UA_PublishedVariableDataType *pvd = (UA_PublishedVariableDataType *)
                UA_calloc(publishedDataSet->fieldSize, sizeof(UA_PublishedVariableDataType));
            size_t counter = 0;
            UA_DataSetField *field;
            TAILQ_FOREACH(field, &publishedDataSet->fields, listEntry) {
                pvd[counter].attributeId = UA_ATTRIBUTEID_VALUE;
                UA_NodeId_copy(&field->config.field.variable.publishParameters.publishedVariable, &pvd[counter].publishedVariable);
                counter++;
            }
            UA_Variant_setArray(&value, pvd, publishedDataSet->fieldSize,
                                &UA_TYPES[UA_TYPES_PUBLISHEDVARIABLEDATATYPE]);
            break;
        }
        case UA_NS0ID_PUBLISHEDDATAITEMSTYPE_DATASETMETADATA: {
            UA_Variant_setScalarCopy(&value, &publishedDataSet->dataSetMetaData, &UA_TYPES[UA_TYPES_DATASETMETADATATYPE]);
            break;
        }
        case UA_NS0ID_PUBLISHEDDATAITEMSTYPE_CONFIGURATIONVERSION: {
            UA_Variant_setScalarCopy(&value, &publishedDataSet->dataSetMetaData.configurationVersion,
                                     &UA_TYPES[UA_TYPES_CONFIGURATIONVERSIONDATATYPE]);
            break;
        }
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Read error! Unknown property.");
        }
        break;
    }
    default:
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Read error! Unknown parent element.");
    }
    UA_Server_writeValue(server, *nodeid, value);
    UA_Variant_clear(&value);
}

static void
onWrite(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
        const UA_NodeId *nodeId, void *nodeContext,
        const UA_NumericRange *range, const UA_DataValue *data){
    UA_Variant value;
    UA_NodeId myNodeId;
    UA_WriterGroup *writerGroup = NULL;
    switch(((UA_NodePropertyContext *) nodeContext)->parentClassifier){
        case UA_NS0ID_PUBSUBCONNECTIONTYPE:
            //no runtime writable attributes
            break;
        case UA_NS0ID_WRITERGROUPTYPE:
            myNodeId = ((UA_NodePropertyContext *) nodeContext)->parentNodeId;
            writerGroup = UA_WriterGroup_findWGbyId(server, myNodeId);
            UA_WriterGroupConfig writerGroupConfig;
            memset(&writerGroupConfig, 0, sizeof(writerGroupConfig));
            if(!writerGroup)
                return;
            switch(((UA_NodePropertyContext *) nodeContext)->elementClassiefier){
                case UA_NS0ID_WRITERGROUPTYPE_PUBLISHINGINTERVAL:
                    UA_Server_getWriterGroupConfig(server, writerGroup->identifier, &writerGroupConfig);
                    writerGroupConfig.publishingInterval = *((UA_Duration *) data->value.data);
                    UA_Server_updateWriterGroupConfig(server, writerGroup->identifier, &writerGroupConfig);
                    UA_Variant_setScalar(&value, data->value.data, &UA_TYPES[UA_TYPES_DURATION]);
                    UA_WriterGroupConfig_clear(&writerGroupConfig);
                    break;
                default:
                    UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                   "Write error! Unknown property element.");
            }
            break;
        default:
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Read error! Unknown parent element.");
    }
}

static UA_StatusCode
addVariableValueSource(UA_Server *server, UA_ValueCallback valueCallback,
                       UA_NodeId node, UA_NodePropertyContext *context){
    UA_Server_setNodeContext(server, node, context);
    return UA_Server_setVariableNode_valueCallback(server, node, valueCallback);
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addPubSubConnectionConfig(UA_Server *server, UA_PubSubConnectionDataType *pubsubConnectionDataType,
                          UA_NodeId *connectionId){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_NetworkAddressUrlDataType networkAddressUrlDataType;
    memset(&networkAddressUrlDataType, 0, sizeof(networkAddressUrlDataType));
    UA_ExtensionObject eo = pubsubConnectionDataType->address;
    if(eo.encoding == UA_EXTENSIONOBJECT_DECODED){
        if(eo.content.decoded.type == &UA_TYPES[UA_TYPES_NETWORKADDRESSURLDATATYPE]){
            if(UA_NetworkAddressUrlDataType_copy((UA_NetworkAddressUrlDataType *) eo.content.decoded.data,
                                                 &networkAddressUrlDataType) != UA_STATUSCODE_GOOD){
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
        }
    }

    UA_PubSubConnectionConfig connectionConfig;
    memset(&connectionConfig, 0, sizeof(UA_PubSubConnectionConfig));
    connectionConfig.transportProfileUri = pubsubConnectionDataType->transportProfileUri;
    connectionConfig.name = pubsubConnectionDataType->name;
    //TODO set real connection state
    connectionConfig.enabled = pubsubConnectionDataType->enabled;
    //connectionConfig.enabled = pubSubConnectionDataType.enabled;
    UA_Variant_setScalar(&connectionConfig.address, &networkAddressUrlDataType,
                         &UA_TYPES[UA_TYPES_NETWORKADDRESSURLDATATYPE]);
    if(pubsubConnectionDataType->publisherId.type == &UA_TYPES[UA_TYPES_UINT32]){
        connectionConfig.publisherId.numeric = * ((UA_UInt32 *) pubsubConnectionDataType->publisherId.data);
    } else if(pubsubConnectionDataType->publisherId.type == &UA_TYPES[UA_TYPES_STRING]){
        connectionConfig.publisherIdType = UA_PUBSUB_PUBLISHERID_STRING;
        UA_String_copy((UA_String *) pubsubConnectionDataType->publisherId.data, &connectionConfig.publisherId.string);
    } else {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER, "Unsupported PublisherId Type used.");
        //TODO what's the best default behaviour here?
        connectionConfig.publisherId.numeric = 0;
    }

    retVal |= UA_Server_addPubSubConnection(server, &connectionConfig, connectionId);
    UA_NetworkAddressUrlDataType_clear(&networkAddressUrlDataType);
    return retVal;
}

/**
 * **WriterGroup handling**
 *
 * The WriterGroup (WG) is part of the connection and contains the primary
 * configuration parameters for the message creation. */
static UA_StatusCode
addWriterGroupConfig(UA_Server *server, UA_NodeId connectionId,
                     UA_WriterGroupDataType *writerGroupDataType, UA_NodeId *writerGroupId){
    /* Now we create a new WriterGroupConfig and add the group to the existing
     * PubSubConnection. */
    UA_WriterGroupConfig writerGroupConfig;
    memset(&writerGroupConfig, 0, sizeof(UA_WriterGroupConfig));
    writerGroupConfig.name = writerGroupDataType->name;
    writerGroupConfig.publishingInterval = writerGroupDataType->publishingInterval;
    writerGroupConfig.enabled = writerGroupDataType->enabled;
    writerGroupConfig.writerGroupId = writerGroupDataType->writerGroupId;
    //TODO remove hard coded UADP
    writerGroupConfig.encodingMimeType = UA_PUBSUB_ENCODING_UADP;
    writerGroupConfig.priority = writerGroupDataType->priority;

    UA_UadpWriterGroupMessageDataType writerGroupMessage;
    UA_ExtensionObject *eoWG = &writerGroupDataType->messageSettings;
    if(eoWG->encoding == UA_EXTENSIONOBJECT_DECODED){
        writerGroupConfig.messageSettings.encoding  = UA_EXTENSIONOBJECT_DECODED;
        if(eoWG->content.decoded.type == &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE]){
            if(UA_UadpWriterGroupMessageDataType_copy((UA_UadpWriterGroupMessageDataType *) eoWG->content.decoded.data,
                                                        &writerGroupMessage) != UA_STATUSCODE_GOOD){
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
            writerGroupConfig.messageSettings.content.decoded.type = &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE];
            writerGroupConfig.messageSettings.content.decoded.data = &writerGroupMessage;
        }
    }

    return UA_Server_addWriterGroup(server, connectionId, &writerGroupConfig, writerGroupId);
}

/**
 * **DataSetWriter handling**
 *
 * A DataSetWriter (DSW) is the glue between the WG and the PDS. The DSW is
 * linked to exactly one PDS and contains additional informations for the
 * message generation. */
static UA_StatusCode
addDataSetWriterConfig(UA_Server *server, const UA_NodeId *writerGroupId,
                       UA_DataSetWriterDataType *dataSetWriterDataType,
                       UA_NodeId *dataSetWriterId) {
    UA_NodeId publishedDataSetId = UA_NODEID_NULL;
    UA_PublishedDataSet *tmpPDS;
    TAILQ_FOREACH(tmpPDS, &server->pubSubManager.publishedDataSets, listEntry){
        if(UA_String_equal(&dataSetWriterDataType->dataSetName, &tmpPDS->config.name)) {
            publishedDataSetId = tmpPDS->identifier;
            break;
        }
    }

    if(UA_NodeId_isNull(&publishedDataSetId))
        return UA_STATUSCODE_BADPARENTNODEIDINVALID;

    /* We need now a DataSetWriter within the WriterGroup. This means we must
     * create a new DataSetWriterConfig and add call the addWriterGroup function. */
    UA_DataSetWriterConfig dataSetWriterConfig;
    memset(&dataSetWriterConfig, 0, sizeof(UA_DataSetWriterConfig));
    dataSetWriterConfig.name = dataSetWriterDataType->name;
    dataSetWriterConfig.dataSetWriterId = dataSetWriterDataType->dataSetWriterId;
    dataSetWriterConfig.keyFrameCount = dataSetWriterDataType->keyFrameCount;
    dataSetWriterConfig.dataSetFieldContentMask =  dataSetWriterDataType->dataSetFieldContentMask;
    return UA_Server_addDataSetWriter(server, *writerGroupId, publishedDataSetId,
                                      &dataSetWriterConfig, dataSetWriterId);
}

/**
 * **ReaderGroup**
 *
 * ReaderGroup is used to group a list of DataSetReaders. All ReaderGroups are
 * created within a PubSubConnection and automatically deleted if the connection
 * is removed. All network message related filters are only available in the DataSetReader. */
/* Add ReaderGroup to the created connection */
static UA_StatusCode
addReaderGroupConfig(UA_Server *server, UA_NodeId connectionId,
                     UA_ReaderGroupDataType *readerGroupDataType,
                     UA_NodeId *readerGroupId) {
    UA_ReaderGroupConfig readerGroupConfig;
    memset(&readerGroupConfig, 0, sizeof(UA_ReaderGroupConfig));
    readerGroupConfig.name = readerGroupDataType->name;
    return UA_Server_addReaderGroup(server, connectionId,
                                    &readerGroupConfig, readerGroupId);
}

/**
 * **SubscribedDataSet**
 *
 * Set SubscribedDataSet type to TargetVariables data type.
 * Add subscribedvariables to the DataSetReader */
static UA_StatusCode
addSubscribedVariables(UA_Server *server, UA_NodeId dataSetReaderId,
                       UA_DataSetReaderDataType *dataSetReaderDataType,
                       UA_DataSetMetaDataType *pMetaData) {
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_ExtensionObject *eoTargetVar = &dataSetReaderDataType->subscribedDataSet;
    if(eoTargetVar->encoding != UA_EXTENSIONOBJECT_DECODED ||
       eoTargetVar->content.decoded.type != &UA_TYPES[UA_TYPES_TARGETVARIABLESDATATYPE])
        return UA_STATUSCODE_BADINTERNALERROR;

    const UA_TargetVariablesDataType *targetVars =
        (UA_TargetVariablesDataType *) eoTargetVar->content.decoded.data;

    UA_NodeId folderId;
    UA_String folderName = pMetaData->name;
    UA_ObjectAttributes oAttr = UA_ObjectAttributes_default;
    UA_QualifiedName folderBrowseName;
    if(folderName.length > 0) {
        oAttr.displayName.locale = UA_STRING("");
        oAttr.displayName.text = folderName;
        folderBrowseName.namespaceIndex = 1;
        folderBrowseName.name = folderName;
    } else {
        oAttr.displayName = UA_LOCALIZEDTEXT("", "Subscribed Variables");
        folderBrowseName = UA_QUALIFIEDNAME(1, "Subscribed Variables");
    }

    UA_Server_addObjectNode(server, UA_NODEID_NULL, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), folderBrowseName,
                            UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE), oAttr, NULL, &folderId);
    /**
     * **TargetVariables**
     *
     * The SubscribedDataSet option TargetVariables defines a list of Variable
     * mappings between received DataSet fields and target Variables in the Subscriber
     * AddressSpace. The values subscribed from the Publisher are updated in the value
     * field of these variables */
    /* Create the TargetVariables with respect to DataSetMetaData fields */
    UA_FieldTargetVariable *targetVarsData = (UA_FieldTargetVariable *)
        UA_calloc(targetVars->targetVariablesSize, sizeof(UA_FieldTargetVariable));
    for(size_t i = 0; i < targetVars->targetVariablesSize; i++) {
        /* Variable to subscribe data */
        UA_VariableAttributes vAttr = UA_VariableAttributes_default;
        UA_LocalizedText_copy(&pMetaData->fields[i].description, &vAttr.description);
        vAttr.displayName.locale = UA_STRING("");
        vAttr.displayName.text = pMetaData->fields[i].name;
        vAttr.dataType = pMetaData->fields[i].dataType;

        UA_QualifiedName browseName;
        browseName.namespaceIndex = 1;
        browseName.name = pMetaData->fields[i].name;

        UA_NodeId newNode;
        retVal |= UA_Server_addVariableNode(
            server, targetVars->targetVariables[i].targetNodeId, folderId,
            UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), browseName,
            UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE), vAttr, NULL, &newNode);

        /* For creating Targetvariables */
        targetVarsData[i].targetVariable.attributeId =
            targetVars->targetVariables[i].attributeId;
        targetVarsData[i].targetVariable.targetNodeId = newNode;
    }
    retVal =
        UA_Server_DataSetReader_createTargetVariables(server, dataSetReaderId,
                                                      targetVars->targetVariablesSize, targetVarsData);
    for(size_t j = 0; j < targetVars->targetVariablesSize; j++)
        UA_FieldTargetDataType_clear(&targetVarsData[j].targetVariable);
    UA_free(targetVarsData);

    return retVal;
}

/**
 * **DataSetReader**
 *
 * DataSetReader can receive NetworkMessages with the DataSetMessage
 * of interest sent by the Publisher. DataSetReader provides
 * the configuration necessary to receive and process DataSetMessages
 * on the Subscriber side. DataSetReader must be linked with a
 * SubscribedDataSet and be contained within a ReaderGroup. */
/* Add DataSetReader to the ReaderGroup */
static UA_StatusCode
addDataSetReaderConfig(UA_Server *server, UA_NodeId readerGroupId,
                       UA_DataSetReaderDataType *dataSetReaderDataType,
                       UA_NodeId *dataSetReaderId) {
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_DataSetReaderConfig readerConfig;
    memset (&readerConfig, 0, sizeof(UA_DataSetReaderConfig));
    readerConfig.name = dataSetReaderDataType->name;
    /* Parameters to filter which DataSetMessage has to be processed
     * by the DataSetReader */
    if(dataSetReaderDataType->publisherId.type == &UA_TYPES[UA_TYPES_STRING]){
        UA_String publisherIdentifier;
        readerConfig.publisherId.type = &UA_TYPES[UA_TYPES_STRING];
        UA_String_copy((UA_String *) dataSetReaderDataType->publisherId.data, &publisherIdentifier);
        readerConfig.publisherId.data = &publisherIdentifier;
    } else {
        UA_UInt16 publisherIdentifier = *(UA_UInt16*)dataSetReaderDataType->publisherId.data;
        readerConfig.publisherId.type = &UA_TYPES[UA_TYPES_UINT16];
        readerConfig.publisherId.data = &publisherIdentifier;
    }

    readerConfig.writerGroupId    = dataSetReaderDataType->writerGroupId;
    readerConfig.dataSetWriterId  = dataSetReaderDataType->dataSetWriterId;

    /* Setting up Meta data configuration in DataSetReader */
    UA_DataSetMetaDataType *pMetaData;
    pMetaData = &readerConfig.dataSetMetaData;
    UA_DataSetMetaDataType_init (pMetaData);
    pMetaData->name =  dataSetReaderDataType->dataSetMetaData.name;
    pMetaData->fieldsSize = dataSetReaderDataType->dataSetMetaData.fieldsSize;
    pMetaData->fields = (UA_FieldMetaData*)UA_Array_new (pMetaData->fieldsSize,
                        &UA_TYPES[UA_TYPES_FIELDMETADATA]);
    for(size_t i = 0; i < pMetaData->fieldsSize; i++){
        UA_FieldMetaData_init (&pMetaData->fields[i]);
        UA_NodeId_copy (&dataSetReaderDataType->dataSetMetaData.fields[i].dataType,
                        &pMetaData->fields[i].dataType);
        pMetaData->fields[i].builtInType = dataSetReaderDataType->dataSetMetaData.fields[i].builtInType;
        pMetaData->fields[i].name = dataSetReaderDataType->dataSetMetaData.fields[i].name;
        pMetaData->fields[i].valueRank = dataSetReaderDataType->dataSetMetaData.fields[i].valueRank;
    }

    retVal |= UA_Server_addDataSetReader(server, readerGroupId, &readerConfig,
                                         dataSetReaderId);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_free(pMetaData->fields);
        return retVal;
    }

    retVal |= addSubscribedVariables(server, *dataSetReaderId, dataSetReaderDataType, pMetaData);
    UA_free(pMetaData->fields);
    return retVal;
}
#endif

/*************************************************/
/*            PubSubConnection                   */
/*************************************************/
UA_StatusCode
addPubSubConnectionRepresentation(UA_Server *server, UA_PubSubConnection *connection) {
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    if(connection->config->name.length > 512)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    char connectionName[513];
    memcpy(connectionName, connection->config->name.data, connection->config->name.length);
    connectionName[connection->config->name.length] = '\0';

    UA_ObjectAttributes attr = UA_ObjectAttributes_default;
    attr.displayName = UA_LOCALIZEDTEXT("", connectionName);
    retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
                                      UA_NODEID_NUMERIC(1, 0), /* Generate a new id */
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_HASPUBSUBCONNECTION),
                                      UA_QUALIFIEDNAME(0, connectionName),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE),
                                      (const UA_NodeAttributes*)&attr,
                                      &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],
                                      NULL, &connection->identifier);

    attr.displayName = UA_LOCALIZEDTEXT("", "Address");
    retVal |= UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0),
                                   connection->identifier,
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                   UA_QUALIFIEDNAME(0, "Address"),
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_NETWORKADDRESSURLTYPE),
                                   attr, NULL, NULL);

    UA_Server_addNode_finish(server, connection->identifier);

    UA_NodeId addressNode, urlNode, interfaceNode, publisherIdNode,
        connectionPropertieNode, transportProfileUri;
    addressNode = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "Address"),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                      connection->identifier);
    urlNode = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "Url"),
                                  UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                  addressNode);
    interfaceNode = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "NetworkInterface"),
                                        UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                        addressNode);
    publisherIdNode = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublisherId"),
                                        UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                                        connection->identifier);
    connectionPropertieNode = findSingleChildNode(server,
                                                  UA_QUALIFIEDNAME(0, "ConnectionProperties"),
                                                  UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                                                  connection->identifier);
    transportProfileUri = findSingleChildNode(server,
                                              UA_QUALIFIEDNAME(0, "TransportProfileUri"),
                                              UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                              connection->identifier);

    if(UA_NodeId_isNull(&addressNode) || UA_NodeId_isNull(&urlNode) ||
       UA_NodeId_isNull(&interfaceNode) || UA_NodeId_isNull(&publisherIdNode) ||
       UA_NodeId_isNull(&connectionPropertieNode) ||
       UA_NodeId_isNull(&transportProfileUri)) {
        return UA_STATUSCODE_BADNOTFOUND;
    }

    retVal |= writePubSubNs0VariableArray(server, connectionPropertieNode.identifier.numeric,
                                          connection->config->connectionProperties,
                                          connection->config->connectionPropertiesSize,
                                          &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);

    UA_NetworkAddressUrlDataType *networkAddressUrlDataType =
        ((UA_NetworkAddressUrlDataType*)connection->config->address.data);
    UA_Variant value;
    UA_Variant_init(&value);
    UA_Variant_setScalar(&value, &networkAddressUrlDataType->url,
                         &UA_TYPES[UA_TYPES_STRING]);
    UA_Server_writeValue(server, urlNode, value);
    UA_Variant_setScalar(&value, &networkAddressUrlDataType->networkInterface,
                         &UA_TYPES[UA_TYPES_STRING]);
    UA_Server_writeValue(server, interfaceNode, value);
    UA_Variant_setScalar(&value, &connection->config->transportProfileUri,
                         &UA_TYPES[UA_TYPES_STRING]);
    UA_Server_writeValue(server, transportProfileUri, value);

    UA_NodePropertyContext *connectionPublisherIdContext = (UA_NodePropertyContext *)
        UA_malloc(sizeof(UA_NodePropertyContext));
    connectionPublisherIdContext->parentNodeId = connection->identifier;
    connectionPublisherIdContext->parentClassifier = UA_NS0ID_PUBSUBCONNECTIONTYPE;
    connectionPublisherIdContext->elementClassiefier =
        UA_NS0ID_PUBSUBCONNECTIONTYPE_PUBLISHERID;
    UA_ValueCallback valueCallback;
    valueCallback.onRead = onRead;
    valueCallback.onWrite = NULL;
    retVal |= addVariableValueSource(server, valueCallback, publisherIdNode,
                                     connectionPublisherIdContext);

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
    retVal |= UA_Server_addReference(server, connection->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_ADDWRITERGROUP),
                                     true);
    retVal |= UA_Server_addReference(server, connection->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_ADDREADERGROUP),
                                     true);
    retVal |= UA_Server_addReference(server, connection->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_REMOVEGROUP),
                                     true);
#endif
    return retVal;
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addPubSubConnectionAction(UA_Server *server,
                          const UA_NodeId *sessionId, void *sessionHandle,
                          const UA_NodeId *methodId, void *methodContext,
                          const UA_NodeId *objectId, void *objectContext,
                          size_t inputSize, const UA_Variant *input,
                          size_t outputSize, UA_Variant *output){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_PubSubConnectionDataType pubSubConnectionDataType = *((UA_PubSubConnectionDataType *) input[0].data);

    //call API function and create the connection
    UA_NodeId connectionId;
    retVal |= addPubSubConnectionConfig(server, &pubSubConnectionDataType, &connectionId);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addPubSubConnection failed");
        return retVal;
    }

    for(size_t i = 0; i < pubSubConnectionDataType.writerGroupsSize; i++){
        UA_NodeId writerGroupId;
        UA_WriterGroupDataType *writerGroupDataType = &pubSubConnectionDataType.writerGroups[i];
        retVal |= addWriterGroupConfig(server, connectionId, writerGroupDataType, &writerGroupId);
        if(retVal != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addWriterGroup failed");
            return retVal;
        }

        for (size_t j = 0; j < pubSubConnectionDataType.writerGroups[i].dataSetWritersSize; j++){
            UA_DataSetWriterDataType *dataSetWriterDataType = &writerGroupDataType->dataSetWriters[j];
            retVal |= addDataSetWriterConfig(server, &writerGroupId, dataSetWriterDataType, NULL);
            if(retVal != UA_STATUSCODE_GOOD) {
                UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addDataSetWriter failed");
                return retVal;
            }
        }

        //TODO: Need to handle the UA_Server_setWriterGroupOperational based on the status variable in information model
        if(pubSubConnectionDataType.enabled) {
            UA_Server_freezeWriterGroupConfiguration(server, writerGroupId);
            UA_Server_setWriterGroupOperational(server, writerGroupId);
        } else
            UA_Server_setWriterGroupDisabled(server, writerGroupId);
    }

    for(size_t i = 0; i < pubSubConnectionDataType.readerGroupsSize; i++){
        UA_NodeId readerGroupId;
        UA_ReaderGroupDataType *rg = &pubSubConnectionDataType.readerGroups[i];
        retVal |= addReaderGroupConfig(server, connectionId, rg, &readerGroupId);
        if(retVal != UA_STATUSCODE_GOOD) {
            UA_NodeId_clear(&readerGroupId);
            UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addReaderGroup failed");
            return retVal;
        }

        for(size_t j = 0; j < rg->dataSetReadersSize; j++) {
            UA_NodeId dataSetReaderId;
            UA_DataSetReaderDataType *dataSetReaderDataType =  &rg->dataSetReaders[j];
            retVal |= addDataSetReaderConfig(server, readerGroupId, dataSetReaderDataType, &dataSetReaderId);
            if(retVal != UA_STATUSCODE_GOOD) {
                UA_NodeId_clear(&readerGroupId);
                UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addDataSetReader failed");
                return retVal;
            }
        }

        //TODO: Need to handle the UA_Server_setReaderGroupOperational based on the status variable in information model
        if(pubSubConnectionDataType.enabled) {
            UA_Server_freezeReaderGroupConfiguration(server, readerGroupId);
            UA_Server_setReaderGroupOperational(server, readerGroupId);
        } else {
            UA_Server_setReaderGroupDisabled(server, readerGroupId);
        }

        UA_NodeId_clear(&readerGroupId);
    }
    //set ouput value
    UA_Variant_setScalarCopy(output, &connectionId, &UA_TYPES[UA_TYPES_NODEID]);
    return UA_STATUSCODE_GOOD;
}
#endif

UA_StatusCode
removePubSubConnectionRepresentation(UA_Server *server,
                                     UA_PubSubConnection *connection) {
    return UA_Server_deleteNode(server, connection->identifier, true);
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
removeConnectionAction(UA_Server *server,
                       const UA_NodeId *sessionId, void *sessionHandle,
                       const UA_NodeId *methodId, void *methodContext,
                       const UA_NodeId *objectId, void *objectContext,
                       size_t inputSize, const UA_Variant *input,
                       size_t outputSize, UA_Variant *output){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_NodeId nodeToRemove = *((UA_NodeId *) input[0].data);
    retVal |= UA_Server_removePubSubConnection(server, nodeToRemove);
    if(retVal == UA_STATUSCODE_BADNOTFOUND)
        retVal = UA_STATUSCODE_BADNODEIDUNKNOWN;
    return retVal;
}
#endif

/**********************************************/
/*               DataSetReader                */
/**********************************************/
UA_StatusCode
addDataSetReaderRepresentation(UA_Server *server, UA_DataSetReader *dataSetReader){
    if(dataSetReader->config.name.length > 512)
        return UA_STATUSCODE_BADCONFIGURATIONERROR;

    char dsrName[513];
    memcpy(dsrName, dataSetReader->config.name.data, dataSetReader->config.name.length);
    dsrName[dataSetReader->config.name.length] = '\0';

    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_NodeId publisherIdNode, writerGroupIdNode, dataSetwriterIdNode;

    UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
    object_attr.displayName = UA_LOCALIZEDTEXT("", dsrName);
    retVal = UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0), /* create an id */
                                   dataSetReader->linkedReaderGroup,
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_HASDATASETREADER),
                                   UA_QUALIFIEDNAME(0, dsrName),
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETREADERTYPE),
                                   object_attr, NULL, &dataSetReader->identifier);

    /* Add childNodes such as PublisherId, WriterGroupId and DataSetWriterId in
     * DataSetReader object */
    publisherIdNode = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublisherId"),
                                          UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                                          dataSetReader->identifier);
    writerGroupIdNode = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "WriterGroupId"),
                                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                                            dataSetReader->identifier);
    dataSetwriterIdNode = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "DataSetWriterId"),
                                              UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                                              dataSetReader->identifier);

    if(UA_NodeId_isNull(&publisherIdNode) ||
       UA_NodeId_isNull(&writerGroupIdNode) ||
       UA_NodeId_isNull(&dataSetwriterIdNode)) {
        return UA_STATUSCODE_BADNOTFOUND;
    }

    UA_NodePropertyContext *dataSetReaderPublisherIdContext =
        (UA_NodePropertyContext *) UA_malloc(sizeof(UA_NodePropertyContext));
    dataSetReaderPublisherIdContext->parentNodeId = dataSetReader->identifier;
    dataSetReaderPublisherIdContext->parentClassifier = UA_NS0ID_DATASETREADERTYPE;
    dataSetReaderPublisherIdContext->elementClassiefier = UA_NS0ID_DATASETREADERTYPE_PUBLISHERID;
    UA_ValueCallback valueCallback;
    valueCallback.onRead = onRead;
    valueCallback.onWrite = NULL;
    retVal |= addVariableValueSource(server, valueCallback, publisherIdNode,
                                     dataSetReaderPublisherIdContext);

    /* Update childNode with values from Publisher */
    UA_Variant value;
    UA_Variant_init(&value);
    UA_Variant_setScalar(&value, &dataSetReader->config.writerGroupId,
                         &UA_TYPES[UA_TYPES_UINT16]);
    UA_Server_writeValue(server, writerGroupIdNode, value);
    UA_Variant_setScalar(&value, &dataSetReader->config.dataSetWriterId,
                         &UA_TYPES[UA_TYPES_UINT16]);
    UA_Server_writeValue(server, dataSetwriterIdNode, value);
    return retVal;
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addDataSetReaderAction(UA_Server *server,
                       const UA_NodeId *sessionId, void *sessionHandle,
                       const UA_NodeId *methodId, void *methodContext,
                       const UA_NodeId *objectId, void *objectContext,
                       size_t inputSize, const UA_Variant *input,
                       size_t outputSize, UA_Variant *output){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, *objectId);
    if(rg->configurationFrozen) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "addDataSetReader cannot be done because ReaderGroup config frozen");
        return UA_STATUSCODE_BAD;
    }

    UA_NodeId dataSetReaderId;
    UA_DataSetReaderDataType *dataSetReaderDataType = (UA_DataSetReaderDataType *) input[0].data;
    retVal |= addDataSetReaderConfig(server, *objectId, dataSetReaderDataType, &dataSetReaderId);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addDataSetReader failed");
        return retVal;
    }

    UA_Variant_setScalarCopy(output, &dataSetReaderId, &UA_TYPES[UA_TYPES_NODEID]);
    return retVal;
}
#endif

UA_StatusCode
removeDataSetReaderRepresentation(UA_Server *server,
                                  UA_DataSetReader* dataSetReader) {
    return UA_Server_deleteNode(server, dataSetReader->identifier, true);
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
removeDataSetReaderAction(UA_Server *server,
                          const UA_NodeId *sessionId, void *sessionHandle,
                          const UA_NodeId *methodId, void *methodContext,
                          const UA_NodeId *objectId, void *objectContext,
                          size_t inputSize, const UA_Variant *input,
                          size_t outputSize, UA_Variant *output){
    UA_NodeId nodeToRemove = *((UA_NodeId *)input[0].data);
    return UA_Server_removeDataSetReader(server, nodeToRemove);
}
#endif

/*************************************************/
/*                PublishedDataSet               */
/*************************************************/
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addDataSetFolderAction(UA_Server *server,
                       const UA_NodeId *sessionId, void *sessionHandle,
                       const UA_NodeId *methodId, void *methodContext,
                       const UA_NodeId *objectId, void *objectContext,
                       size_t inputSize, const UA_Variant *input,
                       size_t outputSize, UA_Variant *output){
    /* defined in R 1.04 9.1.4.5.7 */
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_String newFolderName = *((UA_String *) input[0].data);
    UA_NodeId generatedId;
    UA_ObjectAttributes objectAttributes = UA_ObjectAttributes_default;
    UA_LocalizedText name = {UA_STRING(""), newFolderName};
    objectAttributes.displayName = name;
    retVal |= UA_Server_addObjectNode(server, UA_NODEID_NULL, *objectId,
                                      UA_NODEID_NUMERIC(0,UA_NS0ID_ORGANIZES),
                                      UA_QUALIFIEDNAME(0, "DataSetFolder"),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE),
                                      objectAttributes, NULL, &generatedId);
    UA_Variant_setScalarCopy(output, &generatedId, &UA_TYPES[UA_TYPES_NODEID]);
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
    retVal |= UA_Server_addReference(server, generatedId,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDPUBLISHEDDATAITEMS), true);
    retVal |= UA_Server_addReference(server, generatedId,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEPUBLISHEDDATASET), true);
    retVal |= UA_Server_addReference(server, generatedId,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDDATASETFOLDER), true);
    retVal |= UA_Server_addReference(server, generatedId,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEDATASETFOLDER), true);
#endif
    return retVal;
}
#endif

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
removeDataSetFolderAction(UA_Server *server,
                          const UA_NodeId *sessionId, void *sessionHandle,
                          const UA_NodeId *methodId, void *methodContext,
                          const UA_NodeId *objectId, void *objectContext,
                          size_t inputSize, const UA_Variant *input,
                          size_t outputSize, UA_Variant *output) {
    UA_NodeId nodeToRemove = *((UA_NodeId *) input[0].data);
    return UA_Server_deleteNode(server, nodeToRemove, true);
}
#endif

UA_StatusCode
addPublishedDataItemsRepresentation(UA_Server *server,
                                    UA_PublishedDataSet *publishedDataSet) {
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    if(publishedDataSet->config.name.length > 512)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    char pdsName[513];
    memcpy(pdsName, publishedDataSet->config.name.data, publishedDataSet->config.name.length);
    pdsName[publishedDataSet->config.name.length] = '\0';

    UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
    object_attr.displayName = UA_LOCALIZEDTEXT("", pdsName);
    retVal = UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0), /* Create a new id */
                       UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS),
                       UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                       UA_QUALIFIEDNAME(0, pdsName),
                       UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHEDDATAITEMSTYPE),
                       object_attr, NULL, &publishedDataSet->identifier);
    UA_CHECK_STATUS(retVal, return retVal);

    UA_ValueCallback valueCallback;
    valueCallback.onRead = onRead;
    valueCallback.onWrite = NULL;
    //ToDo: Need to move the browse name from namespaceindex 0 to 1
    UA_NodeId configurationVersionNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "ConfigurationVersion"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            publishedDataSet->identifier);
    if(UA_NodeId_isNull(&configurationVersionNode))
        return UA_STATUSCODE_BADNOTFOUND;

    UA_NodePropertyContext *configurationVersionContext = (UA_NodePropertyContext *)
        UA_malloc(sizeof(UA_NodePropertyContext));
    configurationVersionContext->parentNodeId = publishedDataSet->identifier;
    configurationVersionContext->parentClassifier = UA_NS0ID_PUBLISHEDDATAITEMSTYPE;
    configurationVersionContext->elementClassiefier =
        UA_NS0ID_PUBLISHEDDATAITEMSTYPE_CONFIGURATIONVERSION;
    retVal |= addVariableValueSource(server, valueCallback, configurationVersionNode,
                                     configurationVersionContext);

    UA_NodeId publishedDataNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublishedData"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            publishedDataSet->identifier);
    if(UA_NodeId_isNull(&publishedDataNode))
        return UA_STATUSCODE_BADNOTFOUND;

    UA_NodePropertyContext * publishingIntervalContext = (UA_NodePropertyContext *)
        UA_malloc(sizeof(UA_NodePropertyContext));
    publishingIntervalContext->parentNodeId = publishedDataSet->identifier;
    publishingIntervalContext->parentClassifier = UA_NS0ID_PUBLISHEDDATAITEMSTYPE;
    publishingIntervalContext->elementClassiefier = UA_NS0ID_PUBLISHEDDATAITEMSTYPE_PUBLISHEDDATA;
    retVal |= addVariableValueSource(server, valueCallback, publishedDataNode,
                                     publishingIntervalContext);

    UA_NodeId dataSetMetaDataNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "DataSetMetaData"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            publishedDataSet->identifier);
    if(UA_NodeId_isNull(&dataSetMetaDataNode))
        return UA_STATUSCODE_BADNOTFOUND;

    UA_NodePropertyContext *metaDataContext = (UA_NodePropertyContext *)
        UA_malloc(sizeof(UA_NodePropertyContext));
    metaDataContext->parentNodeId = publishedDataSet->identifier;
    metaDataContext->parentClassifier = UA_NS0ID_PUBLISHEDDATAITEMSTYPE;
    metaDataContext->elementClassiefier = UA_NS0ID_PUBLISHEDDATAITEMSTYPE_DATASETMETADATA;
    retVal |= addVariableValueSource(server, valueCallback,
                                     dataSetMetaDataNode, metaDataContext);

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
    retVal |= UA_Server_addReference(server, publishedDataSet->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_PUBLISHEDDATAITEMSTYPE_ADDVARIABLES), true);
    retVal |= UA_Server_addReference(server, publishedDataSet->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_PUBLISHEDDATAITEMSTYPE_REMOVEVARIABLES), true);
#endif
    return retVal;
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addPublishedDataItemsAction(UA_Server *server,
                            const UA_NodeId *sessionId, void *sessionHandle,
                            const UA_NodeId *methodId, void *methodContext,
                            const UA_NodeId *objectId, void *objectContext,
                            size_t inputSize, const UA_Variant *input,
                            size_t outputSize, UA_Variant *output){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    size_t fieldNameAliasesSize = input[1].arrayLength;
    UA_String * fieldNameAliases = (UA_String *) input[1].data;
    size_t fieldFlagsSize = input[2].arrayLength;
    UA_DataSetFieldFlags * fieldFlags = (UA_DataSetFieldFlags *) input[2].data;
    size_t variablesToAddSize = input[3].arrayLength;
    UA_PublishedVariableDataType *variablesToAdd = NULL;
    UA_ExtensionObject *eoAddVar = NULL;
    if(input[3].type == &UA_TYPES[UA_TYPES_PUBLISHEDVARIABLEDATATYPE])
        variablesToAdd = (UA_PublishedVariableDataType*)input[3].data;
    else if(input[3].type == &UA_TYPES[UA_TYPES_EXTENSIONOBJECT])
        eoAddVar = (UA_ExtensionObject *)input[3].data;
    else
        return UA_STATUSCODE_BADINTERNALERROR;

    if(!(fieldNameAliasesSize == fieldFlagsSize || fieldFlagsSize == variablesToAddSize))
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_PublishedDataSetConfig publishedDataSetConfig;
    memset(&publishedDataSetConfig, 0, sizeof(publishedDataSetConfig));
    publishedDataSetConfig.name = *((UA_String *) input[0].data);
    publishedDataSetConfig.publishedDataSetType = UA_PUBSUB_DATASET_PUBLISHEDITEMS;

    UA_NodeId dataSetItemsNodeId;
    retVal |= UA_Server_addPublishedDataSet(server, &publishedDataSetConfig,
                                            &dataSetItemsNodeId).addResult;
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "addPublishedDataset failed");
        return retVal;
    }

    UA_DataSetFieldConfig dataSetFieldConfig;
    for(size_t j = 0; j < variablesToAddSize; ++j) {
        /* Prepare the config */
        memset(&dataSetFieldConfig, 0, sizeof(UA_DataSetFieldConfig));
        dataSetFieldConfig.dataSetFieldType = UA_PUBSUB_DATASETFIELD_VARIABLE;
        dataSetFieldConfig.field.variable.fieldNameAlias = fieldNameAliases[j];
        if(fieldFlags[j] == UA_DATASETFIELDFLAGS_PROMOTEDFIELD)
            dataSetFieldConfig.field.variable.promotedField = true;

        UA_PublishedVariableDataType *variableToAdd;
        if(variablesToAdd) {
            variableToAdd = &variablesToAdd[j];
        } else {
            if(eoAddVar[j].content.decoded.type !=
               &UA_TYPES[UA_TYPES_PUBLISHEDVARIABLEDATATYPE])
                return UA_STATUSCODE_BADINTERNALERROR;
            variableToAdd = (UA_PublishedVariableDataType*)
                eoAddVar[j].content.decoded.data;
        }
        dataSetFieldConfig.field.variable.publishParameters = *variableToAdd;

        /* Add the dataset field */
        retVal |= UA_Server_addDataSetField(server, dataSetItemsNodeId,
                                            &dataSetFieldConfig, NULL).result;
        if(retVal != UA_STATUSCODE_GOOD) {
           UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "addDataSetField failed");
           return retVal;
        }
    }

    UA_Variant_setScalarCopy(output, &dataSetItemsNodeId, &UA_TYPES[UA_TYPES_NODEID]);
    return retVal;
}
#endif

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addVariablesAction(UA_Server *server,
                   const UA_NodeId *sessionId, void *sessionHandle,
                   const UA_NodeId *methodId, void *methodContext,
                   const UA_NodeId *objectId, void *objectContext,
                   size_t inputSize, const UA_Variant *input,
                   size_t outputSize, UA_Variant *output){
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
removeVariablesAction(UA_Server *server,
                      const UA_NodeId *sessionId, void *sessionHandle,
                      const UA_NodeId *methodId, void *methodContext,
                      const UA_NodeId *objectId, void *objectContext,
                      size_t inputSize, const UA_Variant *input,
                      size_t outputSize, UA_Variant *output){
    return UA_STATUSCODE_GOOD;
}
#endif


UA_StatusCode
removePublishedDataSetRepresentation(UA_Server *server,
                                     UA_PublishedDataSet *publishedDataSet) {
    return UA_Server_deleteNode(server, publishedDataSet->identifier, true);
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
removePublishedDataSetAction(UA_Server *server,
                             const UA_NodeId *sessionId, void *sessionHandle,
                             const UA_NodeId *methodId, void *methodContext,
                             const UA_NodeId *objectId, void *objectContext,
                             size_t inputSize, const UA_Variant *input,
                             size_t outputSize, UA_Variant *output){
    UA_NodeId nodeToRemove = *((UA_NodeId *) input[0].data);
    return UA_Server_removePublishedDataSet(server, nodeToRemove);
}
#endif

/**********************************************/
/*               WriterGroup                  */
/**********************************************/

static UA_StatusCode
readContentMask(UA_Server *server, const UA_NodeId *sessionId,
                void *sessionContext, const UA_NodeId *nodeId,
                void *nodeContext, UA_Boolean includeSourceTimeStamp,
                const UA_NumericRange *range, UA_DataValue *value) {
    UA_WriterGroup *writerGroup = (UA_WriterGroup*)nodeContext;
    if((writerGroup->config.messageSettings.encoding != UA_EXTENSIONOBJECT_DECODED &&
        writerGroup->config.messageSettings.encoding != UA_EXTENSIONOBJECT_DECODED_NODELETE) ||
       writerGroup->config.messageSettings.content.decoded.type !=
       &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE])
        return UA_STATUSCODE_BADINTERNALERROR;
    UA_UadpWriterGroupMessageDataType *wgm = (UA_UadpWriterGroupMessageDataType*)
        writerGroup->config.messageSettings.content.decoded.data;

    UA_Variant_setScalarCopy(&value->value, &wgm->networkMessageContentMask,
                             &UA_TYPES[UA_TYPES_UADPNETWORKMESSAGECONTENTMASK]);
    value->hasValue = true;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
writeContentMask(UA_Server *server, const UA_NodeId *sessionId,
                 void *sessionContext, const UA_NodeId *nodeId,
                 void *nodeContext, const UA_NumericRange *range,
                 const UA_DataValue *value) {
    UA_WriterGroup *writerGroup = (UA_WriterGroup*)nodeContext;
    if((writerGroup->config.messageSettings.encoding != UA_EXTENSIONOBJECT_DECODED &&
        writerGroup->config.messageSettings.encoding != UA_EXTENSIONOBJECT_DECODED_NODELETE) ||
       writerGroup->config.messageSettings.content.decoded.type !=
       &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE])
        return UA_STATUSCODE_BADINTERNALERROR;
    UA_UadpWriterGroupMessageDataType *wgm = (UA_UadpWriterGroupMessageDataType*)
        writerGroup->config.messageSettings.content.decoded.data;

    if(!value->value.type)
        return UA_STATUSCODE_BADTYPEMISMATCH;
    if(value->value.type->typeKind != UA_DATATYPEKIND_ENUM &&
       value->value.type->typeKind != UA_DATATYPEKIND_INT32)
        return UA_STATUSCODE_BADTYPEMISMATCH;

    wgm->networkMessageContentMask = *(UA_UadpNetworkMessageContentMask*)value->value.data;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
addWriterGroupRepresentation(UA_Server *server, UA_WriterGroup *writerGroup){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    if(writerGroup->config.name.length > 512)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    char wgName[513];
    memcpy(wgName, writerGroup->config.name.data, writerGroup->config.name.length);
    wgName[writerGroup->config.name.length] = '\0';

    UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
    object_attr.displayName = UA_LOCALIZEDTEXT("", wgName);
    retVal = UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0), /* create a new id */
                                     writerGroup->linkedConnection->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_QUALIFIEDNAME(0, wgName),
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_WRITERGROUPTYPE),
                                     object_attr, NULL, &writerGroup->identifier);

    UA_NodeId keepAliveNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "KeepAliveTime"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            writerGroup->identifier);
    UA_NodeId publishingIntervalNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublishingInterval"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            writerGroup->identifier);
    if(UA_NodeId_isNull(&keepAliveNode) ||
       UA_NodeId_isNull(&publishingIntervalNode))
        return UA_STATUSCODE_BADNOTFOUND;

    UA_NodePropertyContext * publishingIntervalContext = (UA_NodePropertyContext *)
        UA_malloc(sizeof(UA_NodePropertyContext));
    publishingIntervalContext->parentNodeId = writerGroup->identifier;
    publishingIntervalContext->parentClassifier = UA_NS0ID_WRITERGROUPTYPE;
    publishingIntervalContext->elementClassiefier = UA_NS0ID_WRITERGROUPTYPE_PUBLISHINGINTERVAL;
    UA_ValueCallback valueCallback;
    valueCallback.onRead = onRead;
    valueCallback.onWrite = onWrite;
    retVal |= addVariableValueSource(server, valueCallback,
                                     publishingIntervalNode, publishingIntervalContext);
    UA_Server_writeAccessLevel(server, publishingIntervalNode,
                               UA_ACCESSLEVELMASK_READ ^ UA_ACCESSLEVELMASK_WRITE);

    UA_NodeId priorityNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "Priority"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            writerGroup->identifier);
    UA_NodeId writerGroupIdNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "WriterGroupId"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            writerGroup->identifier);

    UA_Variant value;
    UA_Variant_init(&value);
    UA_Variant_setScalar(&value, &writerGroup->config.publishingInterval, &UA_TYPES[UA_TYPES_DURATION]);
    UA_Server_writeValue(server, publishingIntervalNode, value);
    UA_Variant_setScalar(&value, &writerGroup->config.keepAliveTime, &UA_TYPES[UA_TYPES_DURATION]);
    UA_Server_writeValue(server, keepAliveNode, value);
    UA_Variant_setScalar(&value, &writerGroup->config.priority, &UA_TYPES[UA_TYPES_BYTE]);
    UA_Server_writeValue(server, priorityNode, value);
    UA_Variant_setScalar(&value, &writerGroup->config.writerGroupId, &UA_TYPES[UA_TYPES_UINT16]);
    UA_Server_writeValue(server, writerGroupIdNode, value);

    object_attr.displayName = UA_LOCALIZEDTEXT("", "MessageSettings");
    retVal |= UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0),
                                      writerGroup->identifier,
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                      UA_QUALIFIEDNAME(0, "MessageSettings"),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_UADPWRITERGROUPMESSAGETYPE),
                                      object_attr, NULL, NULL);

    /* Find the variable with the content mask */

    UA_NodeId messageSettingsId =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "MessageSettings"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                            writerGroup->identifier);
    UA_NodeId contentMaskId =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "NetworkMessageContentMask"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY), messageSettingsId);
    if(!UA_NodeId_isNull(&contentMaskId)) {
        /* Set the callback */
        UA_DataSource ds;
        ds.read = readContentMask;
        ds.write = writeContentMask;
        UA_Server_setVariableNode_dataSource(server, contentMaskId, ds);
        UA_Server_setNodeContext(server, contentMaskId, writerGroup);

        /* Make writable */
        UA_Server_writeAccessLevel(server, contentMaskId,
                                   UA_ACCESSLEVELMASK_WRITE | UA_ACCESSLEVELMASK_READ);

    }

    /* Add reference to methods */
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
    retVal |= UA_Server_addReference(server, writerGroup->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_WRITERGROUPTYPE_ADDDATASETWRITER), true);
    retVal |= UA_Server_addReference(server, writerGroup->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_WRITERGROUPTYPE_REMOVEDATASETWRITER), true);
#endif

    return retVal;
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addWriterGroupAction(UA_Server *server,
                             const UA_NodeId *sessionId, void *sessionHandle,
                             const UA_NodeId *methodId, void *methodContext,
                             const UA_NodeId *objectId, void *objectContext,
                             size_t inputSize, const UA_Variant *input,
                             size_t outputSize, UA_Variant *output){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_WriterGroupDataType *writerGroupDataType = ((UA_WriterGroupDataType *) input[0].data);
    UA_NodeId writerGroupId;
    retVal |= addWriterGroupConfig(server, *objectId, writerGroupDataType, &writerGroupId);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addWriterGroup failed");
        return retVal;
    }
    //TODO: Need to handle the UA_Server_setWriterGroupOperational based on the status variable in information model

    UA_Variant_setScalarCopy(output, &writerGroupId, &UA_TYPES[UA_TYPES_NODEID]);
    return retVal;
}
#endif

UA_StatusCode
removeGroupRepresentation(UA_Server *server, UA_WriterGroup *writerGroup) {
    return UA_Server_deleteNode(server, writerGroup->identifier, true);
}

UA_StatusCode
removeReaderGroupRepresentation(UA_Server *server, UA_ReaderGroup *readerGroup) {
    return UA_Server_deleteNode(server, readerGroup->identifier, true);
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
removeGroupAction(UA_Server *server,
                  const UA_NodeId *sessionId, void *sessionHandle,
                  const UA_NodeId *methodId, void *methodContext,
                  const UA_NodeId *objectId, void *objectContext,
                  size_t inputSize, const UA_Variant *input,
                  size_t outputSize, UA_Variant *output){
    UA_NodeId nodeToRemove = *((UA_NodeId *)input->data);
    if(UA_WriterGroup_findWGbyId(server, nodeToRemove)) {
        UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, nodeToRemove);
        if(wg->configurationFrozen)
            UA_Server_unfreezeWriterGroupConfiguration(server, nodeToRemove);
        return UA_Server_removeWriterGroup(server, nodeToRemove);
    } else {
        UA_ReaderGroup *rg = UA_ReaderGroup_findRGbyId(server, nodeToRemove);
        if(rg->configurationFrozen)
            UA_Server_unfreezeReaderGroupConfiguration(server, nodeToRemove);
        return UA_Server_removeReaderGroup(server, nodeToRemove);
    }
}
#endif

/**********************************************/
/*               ReaderGroup                  */
/**********************************************/

UA_StatusCode
addReaderGroupRepresentation(UA_Server *server, UA_ReaderGroup *readerGroup) {
    if(readerGroup->config.name.length > 512)
        return UA_STATUSCODE_BADCONFIGURATIONERROR;
    char rgName[513];
    memcpy(rgName, readerGroup->config.name.data, readerGroup->config.name.length);
    rgName[readerGroup->config.name.length] = '\0';

    UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
    object_attr.displayName = UA_LOCALIZEDTEXT("", rgName);
    UA_StatusCode retVal = UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0), /* create an id */
                                   readerGroup->linkedConnection,
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                   UA_QUALIFIEDNAME(0, rgName),
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_READERGROUPTYPE),
                                   object_attr, NULL, &readerGroup->identifier);
#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
    retVal |= UA_Server_addReference(server, readerGroup->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_READERGROUPTYPE_ADDDATASETREADER), true);
    retVal |= UA_Server_addReference(server, readerGroup->identifier,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_READERGROUPTYPE_REMOVEDATASETREADER), true);
#endif
    return retVal;
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addReaderGroupAction(UA_Server *server,
                     const UA_NodeId *sessionId, void *sessionHandle,
                     const UA_NodeId *methodId, void *methodContext,
                     const UA_NodeId *objectId, void *objectContext,
                     size_t inputSize, const UA_Variant *input,
                     size_t outputSize, UA_Variant *output){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_ReaderGroupDataType *readerGroupDataType = ((UA_ReaderGroupDataType *) input->data);
    UA_NodeId readerGroupId;
    retVal |= addReaderGroupConfig(server, *objectId, readerGroupDataType, &readerGroupId);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "addReaderGroup failed");
        return retVal;
    }
    //TODO: Need to handle the UA_Server_setReaderGroupOperational based on the status variable in information model

    UA_Variant_setScalarCopy(output, &readerGroupId, &UA_TYPES[UA_TYPES_NODEID]);
    return retVal;
}
#endif

/**********************************************/
/*               DataSetWriter                */
/**********************************************/

UA_StatusCode
addDataSetWriterRepresentation(UA_Server *server, UA_DataSetWriter *dataSetWriter){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    if(dataSetWriter->config.name.length > 512)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    char dswName[513];
    memcpy(dswName, dataSetWriter->config.name.data, dataSetWriter->config.name.length);
    dswName[dataSetWriter->config.name.length] = '\0';

    UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
    object_attr.displayName = UA_LOCALIZEDTEXT("", dswName);
    retVal = UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0), /* create an id */
                                   dataSetWriter->linkedWriterGroup,
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_HASDATASETWRITER),
                                   UA_QUALIFIEDNAME(0, dswName),
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETWRITERTYPE),
                                   object_attr, NULL, &dataSetWriter->identifier);

    retVal |= UA_Server_addReference(server, dataSetWriter->connectedDataSet,
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETTOWRITER),
                                     UA_EXPANDEDNODEID_NODEID(dataSetWriter->identifier),
                                     true);

    UA_NodeId dataSetWriterIdNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "DataSetWriterId"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            dataSetWriter->identifier);
    UA_NodeId keyFrameNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "KeyFrameCount"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            dataSetWriter->identifier);
    UA_NodeId dataSetFieldContentMaskNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "DataSetFieldContentMask"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            dataSetWriter->identifier);

    UA_NodePropertyContext *dataSetWriterIdContext = (UA_NodePropertyContext *)
        UA_malloc(sizeof(UA_NodePropertyContext));
    dataSetWriterIdContext->parentNodeId = dataSetWriter->identifier;
    dataSetWriterIdContext->parentClassifier = UA_NS0ID_DATASETWRITERTYPE;
    dataSetWriterIdContext->elementClassiefier = UA_NS0ID_DATASETWRITERTYPE_DATASETWRITERID;
    UA_ValueCallback valueCallback;
    valueCallback.onRead = onRead;
    valueCallback.onWrite = NULL;
    retVal |= addVariableValueSource(server, valueCallback,
                                     dataSetWriterIdNode, dataSetWriterIdContext);

    UA_Variant value;
    UA_Variant_init(&value);
    UA_Variant_setScalar(&value, &dataSetWriter->config.dataSetWriterId,
                         &UA_TYPES[UA_TYPES_UINT16]);
    UA_Server_writeValue(server, dataSetWriterIdNode, value);
    UA_Variant_setScalar(&value, &dataSetWriter->config.keyFrameCount,
                         &UA_TYPES[UA_TYPES_UINT32]);
    UA_Server_writeValue(server, keyFrameNode, value);
    UA_Variant_setScalar(&value, &dataSetWriter->config.dataSetFieldContentMask,
                         &UA_TYPES[UA_TYPES_DATASETFIELDCONTENTMASK]);
    UA_Server_writeValue(server, dataSetFieldContentMaskNode, value);

    object_attr.displayName = UA_LOCALIZEDTEXT("", "MessageSettings");
    retVal |= UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, 0),
                                      dataSetWriter->identifier,
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                      UA_QUALIFIEDNAME(0, "MessageSettings"),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_UADPDATASETWRITERMESSAGETYPE),
                                      object_attr, NULL, NULL);
    return retVal;
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
addDataSetWriterAction(UA_Server *server,
                       const UA_NodeId *sessionId, void *sessionHandle,
                       const UA_NodeId *methodId, void *methodContext,
                       const UA_NodeId *objectId, void *objectContext,
                       size_t inputSize, const UA_Variant *input,
                       size_t outputSize, UA_Variant *output){
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_WriterGroup *wg = UA_WriterGroup_findWGbyId(server, *objectId);
    if(!wg) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Not a WriterGroup");
        return UA_STATUSCODE_BAD;
    }
    if(wg->configurationFrozen) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "addDataSetWriter cannot be done because writergroup config frozen");
        return UA_STATUSCODE_BAD;
    }

    UA_NodeId dataSetWriterId;
    UA_DataSetWriterDataType *dataSetWriterData = (UA_DataSetWriterDataType *)input->data;
    retVal |= addDataSetWriterConfig(server, objectId, dataSetWriterData, &dataSetWriterId);
    if(retVal != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "addDataSetWriter failed");
        return retVal;
    }

    UA_Variant_setScalarCopy(output, &dataSetWriterId, &UA_TYPES[UA_TYPES_NODEID]);
    return UA_STATUSCODE_GOOD;
}
#endif


UA_StatusCode
removeDataSetWriterRepresentation(UA_Server *server,
                                  UA_DataSetWriter *dataSetWriter) {
    return UA_Server_deleteNode(server, dataSetWriter->identifier, true);
}

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
static UA_StatusCode
removeDataSetWriterAction(UA_Server *server,
                          const UA_NodeId *sessionId, void *sessionHandle,
                          const UA_NodeId *methodId, void *methodContext,
                          const UA_NodeId *objectId, void *objectContext,
                          size_t inputSize, const UA_Variant *input,
                          size_t outputSize, UA_Variant *output){
    UA_NodeId nodeToRemove = *((UA_NodeId *) input[0].data);
    return UA_Server_removeDataSetWriter(server, nodeToRemove);
}
#endif

/**********************************************/
/*                Destructors                 */
/**********************************************/

static void
connectionTypeDestructor(UA_Server *server,
                         const UA_NodeId *sessionId, void *sessionContext,
                         const UA_NodeId *typeId, void *typeContext,
                         const UA_NodeId *nodeId, void **nodeContext) {
    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                "Connection destructor called!");
    UA_NodeId publisherIdNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublisherId"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY), *nodeId);
    UA_NodePropertyContext *ctx;
    UA_Server_getNodeContext(server, publisherIdNode, (void **)&ctx);
    if(!UA_NodeId_isNull(&publisherIdNode))
        UA_free(ctx);
}

static void
writerGroupTypeDestructor(UA_Server *server,
                          const UA_NodeId *sessionId, void *sessionContext,
                          const UA_NodeId *typeId, void *typeContext,
                          const UA_NodeId *nodeId, void **nodeContext) {
    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                "WriterGroup destructor called!");
    UA_NodeId intervalNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublishingInterval"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY), *nodeId);
    UA_NodePropertyContext *ctx;
    UA_Server_getNodeContext(server, intervalNode, (void **)&ctx);
    if(!UA_NodeId_isNull(&intervalNode))
        UA_free(ctx);
}

static void
readerGroupTypeDestructor(UA_Server *server,
                          const UA_NodeId *sessionId, void *sessionContext,
                          const UA_NodeId *typeId, void *typeContext,
                          const UA_NodeId *nodeId, void **nodeContext) {
    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                "ReaderGroup destructor called!");
}

static void
dataSetWriterTypeDestructor(UA_Server *server,
                            const UA_NodeId *sessionId, void *sessionContext,
                            const UA_NodeId *typeId, void *typeContext,
                            const UA_NodeId *nodeId, void **nodeContext) {
    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                "DataSetWriter destructor called!");
    UA_NodeId dataSetWriterIdNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "DataSetWriterId"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY), *nodeId);
    UA_NodePropertyContext *ctx;
    UA_Server_getNodeContext(server, dataSetWriterIdNode, (void **)&ctx);
    if(!UA_NodeId_isNull(&dataSetWriterIdNode))
        UA_free(ctx);
}

static void
dataSetReaderTypeDestructor(UA_Server *server,
                            const UA_NodeId *sessionId, void *sessionContext,
                            const UA_NodeId *typeId, void *typeContext,
                            const UA_NodeId *nodeId, void **nodeContext) {
    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                "DataSetReader destructor called!");

    /* Deallocate the memory allocated for publisherId */
    UA_NodeId publisherIdNode =
        findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublisherId"),
                            UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY), *nodeId);
    UA_NodePropertyContext *ctx;
    UA_Server_getNodeContext(server, publisherIdNode, (void **)&ctx);
    if(!UA_NodeId_isNull(&publisherIdNode))
        UA_free(ctx);
}

static void
publishedDataItemsTypeDestructor(UA_Server *server,
                            const UA_NodeId *sessionId, void *sessionContext,
                            const UA_NodeId *typeId, void *typeContext,
                            const UA_NodeId *nodeId, void **nodeContext) {
    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                "PublishedDataItems destructor called!");
    void *childContext;
    UA_NodeId node = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "PublishedData"),
                                         UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY), *nodeId);
    UA_Server_getNodeContext(server, node, (void**)&childContext);
    if(!UA_NodeId_isNull(&node))
        UA_free(childContext);

    node = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "ConfigurationVersion"),
                               UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                               *nodeId);
    UA_Server_getNodeContext(server, node, (void**)&childContext);
    if(!UA_NodeId_isNull(&node))
        UA_free(childContext);

    node = findSingleChildNode(server, UA_QUALIFIEDNAME(0, "DataSetMetaData"),
                               UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY), *nodeId);
    UA_Server_getNodeContext(server, node, (void**)&childContext);
    if(!UA_NodeId_isNull(&node))
        UA_free(childContext);
}

/*************************************/
/*         PubSub configurator       */
/*************************************/

#if defined(UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS) && defined(UA_ENABLE_PUBSUB_FILE_CONFIG)

/* Callback function that will be executed when the method "PubSub configurator
 * (replace config)" is called. */
static UA_StatusCode
UA_loadPubSubConfigMethodCallback(UA_Server *server,
                                  const UA_NodeId *sessionId, void *sessionHandle,
                                  const UA_NodeId *methodId, void *methodContext,
                                  const UA_NodeId *objectId, void *objectContext,
                                  size_t inputSize, const UA_Variant *input,
                                  size_t outputSize, UA_Variant *output) {
    if(inputSize == 1) {
        UA_ByteString *inputStr = (UA_ByteString*)input->data;
        return UA_PubSubManager_loadPubSubConfigFromByteString(server, *inputStr);
    } else if(inputSize > 1) {
        return UA_STATUSCODE_BADTOOMANYARGUMENTS;
    } else {
        return UA_STATUSCODE_BADARGUMENTSMISSING;
    }
}

/* Adds method node to server. This method is used to load binary files for
 * PubSub configuration and delete / replace old PubSub configurations. */
static UA_StatusCode 
UA_addLoadPubSubConfigMethod(UA_Server *server) {
    UA_Argument inputArgument;
    UA_Argument_init(&inputArgument);
    inputArgument.description = UA_LOCALIZEDTEXT("", "PubSub config binfile");
    inputArgument.name = UA_STRING("BinFile");
    inputArgument.dataType = UA_TYPES[UA_TYPES_BYTESTRING].typeId;
    inputArgument.valueRank = UA_VALUERANK_SCALAR;

    UA_MethodAttributes configAttr = UA_MethodAttributes_default;
    configAttr.description = UA_LOCALIZEDTEXT("","Load binary configuration file");
    configAttr.displayName = UA_LOCALIZEDTEXT("","LoadPubSubConfigurationFile");
    configAttr.executable = true;
    configAttr.userExecutable = true;
    return UA_Server_addMethodNode(server, UA_NODEID_NULL,
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE),
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_HASORDEREDCOMPONENT),
                                   UA_QUALIFIEDNAME(1, "PubSub configuration"),
                                   configAttr, &UA_loadPubSubConfigMethodCallback,
                                   1, &inputArgument, 0, NULL, NULL, NULL);
}

/* Callback function that will be executed when the method "PubSub configurator
 *  (delete config)" is called. */
static UA_StatusCode
UA_deletePubSubConfigMethodCallback(UA_Server *server,
                                    const UA_NodeId *sessionId, void *sessionHandle,
                                    const UA_NodeId *methodId, void *methodContext,
                                    const UA_NodeId *objectId, void *objectContext,
                                    size_t inputSize, const UA_Variant *input,
                                    size_t outputSize, UA_Variant *output) {
    UA_PubSubManager_delete(server, &(server->pubSubManager));
    return UA_STATUSCODE_GOOD;
}

/* Adds method node to server. This method is used to delete the current PubSub
 * configuration. */
static UA_StatusCode 
UA_addDeletePubSubConfigMethod(UA_Server *server) {
    UA_MethodAttributes configAttr = UA_MethodAttributes_default;
    configAttr.description = UA_LOCALIZEDTEXT("","Delete current PubSub configuration");
    configAttr.displayName = UA_LOCALIZEDTEXT("","DeletePubSubConfiguration");
    configAttr.executable = true;
    configAttr.userExecutable = true;
    return UA_Server_addMethodNode(server, UA_NODEID_NULL,
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE),
                                   UA_NODEID_NUMERIC(0, UA_NS0ID_HASORDEREDCOMPONENT),
                                   UA_QUALIFIEDNAME(1, "Delete PubSub config"),
                                   configAttr, &UA_deletePubSubConfigMethodCallback,
                                   0, NULL, 0, NULL, NULL, NULL);
}

#endif /* defined(UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS) && defined(UA_ENABLE_PUBSUB_FILE_CONFIG) */

UA_StatusCode
UA_Server_initPubSubNS0(UA_Server *server) {
    UA_StatusCode retVal = UA_STATUSCODE_GOOD;
    UA_String profileArray[1];
    profileArray[0] = UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp");

    retVal |= writePubSubNs0VariableArray(server, UA_NS0ID_PUBLISHSUBSCRIBE_SUPPORTEDTRANSPORTPROFILES,
                                    profileArray, 1, &UA_TYPES[UA_TYPES_STRING]);

#ifdef UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS
    /* Add missing references */
    retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS),
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDDATASETFOLDER), true);
    retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS),
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDPUBLISHEDDATAITEMS), true);
    retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS),
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEPUBLISHEDDATASET), true);
    retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS),
                                     UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                     UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEDATASETFOLDER), true);

    /* Set method callbacks */
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_ADDCONNECTION), addPubSubConnectionAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_REMOVECONNECTION), removeConnectionAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDDATASETFOLDER), addDataSetFolderAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEDATASETFOLDER), removeDataSetFolderAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDPUBLISHEDDATAITEMS), addPublishedDataItemsAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEPUBLISHEDDATASET), removePublishedDataSetAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHEDDATAITEMSTYPE_ADDVARIABLES), addVariablesAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHEDDATAITEMSTYPE_REMOVEVARIABLES), removeVariablesAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_ADDWRITERGROUP), addWriterGroupAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_ADDREADERGROUP), addReaderGroupAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_REMOVEGROUP), removeGroupAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_WRITERGROUPTYPE_ADDDATASETWRITER), addDataSetWriterAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_WRITERGROUPTYPE_REMOVEDATASETWRITER), removeDataSetWriterAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_READERGROUPTYPE_ADDDATASETREADER), addDataSetReaderAction);
    retVal |= UA_Server_setMethodNodeCallback(server, UA_NODEID_NUMERIC(0, UA_NS0ID_READERGROUPTYPE_REMOVEDATASETREADER), removeDataSetReaderAction);

#ifdef UA_ENABLE_PUBSUB_FILE_CONFIG
    retVal |= UA_addLoadPubSubConfigMethod(server);
    retVal |= UA_addDeletePubSubConfigMethod(server);
#endif

#else
    /* Remove methods */
    retVal |= UA_Server_deleteReference(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE),
                                        UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), true,
                                        UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_ADDCONNECTION),
                                        false);
    retVal |= UA_Server_deleteReference(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE),
                                        UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), true,
                                        UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_REMOVECONNECTION),
                                        false);
#endif

    /* Set the object-type destructors */
    UA_NodeTypeLifecycle lifeCycle;
    lifeCycle.constructor = NULL;

    lifeCycle.destructor = connectionTypeDestructor;
    retVal |= UA_Server_setNodeTypeLifecycle(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE), lifeCycle);

    lifeCycle.destructor = writerGroupTypeDestructor;
    retVal |= UA_Server_setNodeTypeLifecycle(server, UA_NODEID_NUMERIC(0, UA_NS0ID_WRITERGROUPTYPE), lifeCycle);

    lifeCycle.destructor = readerGroupTypeDestructor;
    retVal |= UA_Server_setNodeTypeLifecycle(server, UA_NODEID_NUMERIC(0, UA_NS0ID_READERGROUPTYPE), lifeCycle);

    lifeCycle.destructor = dataSetWriterTypeDestructor;
    retVal |= UA_Server_setNodeTypeLifecycle(server, UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETWRITERTYPE), lifeCycle);

    lifeCycle.destructor = publishedDataItemsTypeDestructor;
    retVal |= UA_Server_setNodeTypeLifecycle(server, UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHEDDATAITEMSTYPE), lifeCycle);

    lifeCycle.destructor = dataSetReaderTypeDestructor;
    retVal |= UA_Server_setNodeTypeLifecycle(server, UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETREADERTYPE), lifeCycle);

    return retVal;
}

#endif /* UA_ENABLE_PUBSUB_INFORMATIONMODEL */

/**** amalgamated original file "/src/server/ua_services_view.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2019 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) LEvertz
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015 (c) Ecosmos
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2016 (c) Lorenz Haas
 *    Copyright 2017 (c) pschoppe
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2017 (c) Henrik Norrman
 */


#define UA_MAX_TREE_RECURSE 50 /* How deep up/down the tree do we recurse at most? */

UA_StatusCode
referenceTypeIndices(UA_Server *server, const UA_NodeId *refType,
                     UA_ReferenceTypeSet *indices, UA_Boolean includeSubtypes) {
    if(UA_NodeId_isNull(refType)) {
        UA_ReferenceTypeSet_any(indices);
        return UA_STATUSCODE_GOOD;
    }

    UA_ReferenceTypeSet_init(indices);
    const UA_Node *refNode = UA_NODESTORE_GET(server, refType);
    if(!refNode)
        return UA_STATUSCODE_BADREFERENCETYPEIDINVALID;

    if(refNode->head.nodeClass != UA_NODECLASS_REFERENCETYPE) {
        UA_NODESTORE_RELEASE(server, refNode);
        return UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
    }

    if(!includeSubtypes)
        *indices = UA_REFTYPESET(refNode->referenceTypeNode.referenceTypeIndex);
    else
        *indices = refNode->referenceTypeNode.subTypes;

    UA_NODESTORE_RELEASE(server, refNode);
    return UA_STATUSCODE_GOOD;
}

static UA_Boolean
matchClassMask(const UA_Node *node, UA_UInt32 nodeClassMask) {
    if(nodeClassMask != UA_NODECLASS_UNSPECIFIED &&
       (node->head.nodeClass & nodeClassMask) == 0)
        return false;
    return true;
}

/****************/
/* IsNodeInTree */
/****************/

/* Internal method to check if a node is already upwards from a leaf node */

/* Keeps track of visited nodes to detect circular references */
struct ref_history {
    struct ref_history *parent; /* the previous element */
    const UA_NodePointer id;    /* the id of the node at this depth */
    UA_UInt16 depth;
};

static UA_Boolean
isNodeInTreeNoCircular(UA_Server *server,
                       UA_NodePointer leafNode,
                       UA_NodePointer nodeToFind,
                       struct ref_history *visitedRefs,
                       const UA_ReferenceTypeSet *relevantRefs) {
    if(UA_NodePointer_equal(nodeToFind, leafNode))
        return true;

    if(visitedRefs->depth >= UA_MAX_TREE_RECURSE)
        return false;

    const UA_Node *node = UA_NODESTORE_GETFROMREF(server, leafNode);
    if(!node)
        return false;

    for(size_t i = 0; i < node->head.referencesSize; ++i) {
        UA_NodeReferenceKind *rk = &node->head.references[i];
        /* Search upwards in the tree */
        if(!rk->isInverse)
            continue;

        /* Consider only the indicated reference types */
        if(!UA_ReferenceTypeSet_contains(relevantRefs, rk->referenceTypeIndex))
            continue;

        /* Match the targets or recurse */
        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(rk, t))) {
            /* Don't follow remote targets */
            if(!UA_NodePointer_isLocal(t->targetId))
                continue;

            /* Check if we already have seen the referenced node and skip to
             * avoid endless recursion. Do this only at every 5th depth to save
             * effort. Circular dependencies are rare and forbidden for most
             * reference types. */
            if(visitedRefs->depth % 5 == 4) {
                struct ref_history *last = visitedRefs;
                UA_Boolean skip = false;
                while(last) {
                    if(UA_NodePointer_equal(last->id, t->targetId)) {
                        skip = true;
                        break;
                    }
                    last = last->parent;
                }
                if(skip)
                    continue;
            }

            /* Stack-allocate the visitedRefs structure for the next depth */
            struct ref_history nextVisitedRefs = {visitedRefs, t->targetId,
                                                  (UA_UInt16)(visitedRefs->depth+1)};

            /* Recurse */
            UA_Boolean foundRecursive =
                isNodeInTreeNoCircular(server, t->targetId, nodeToFind,
                                       &nextVisitedRefs, relevantRefs);
            if(foundRecursive) {
                UA_NODESTORE_RELEASE(server, node);
                return true;
            }
        }
    }

    UA_NODESTORE_RELEASE(server, node);
    return false;
}

UA_Boolean
isNodeInTree(UA_Server *server, const UA_NodeId *leafNode,
             const UA_NodeId *nodeToFind,
             const UA_ReferenceTypeSet *relevantRefs) {
    UA_NodePointer leafP = UA_NodePointer_fromNodeId(leafNode);
    UA_NodePointer targetP = UA_NodePointer_fromNodeId(nodeToFind);
    struct ref_history visitedRefs = {NULL, leafP, 0};
    return isNodeInTreeNoCircular(server, leafP, targetP,
                                  &visitedRefs, relevantRefs);
}

UA_Boolean
isNodeInTree_singleRef(UA_Server *server, const UA_NodeId *leafNode,
                       const UA_NodeId *nodeToFind, const UA_Byte relevantRefTypeIndex) {
    UA_ReferenceTypeSet reftypes = UA_REFTYPESET(relevantRefTypeIndex);
    return isNodeInTree(server, leafNode, nodeToFind, &reftypes);
}
 
static enum ZIP_CMP
cmpTarget(const void *a, const void *b) {
    const RefEntry *aa = (const RefEntry*)a;
    const RefEntry *bb = (const RefEntry*)b;
    if(aa->targetHash < bb->targetHash)
        return ZIP_CMP_LESS;
    if(aa->targetHash > bb->targetHash)
        return ZIP_CMP_MORE;
    return (enum ZIP_CMP)UA_ExpandedNodeId_order(aa->target, bb->target);
}

ZIP_FUNCTIONS(RefHead, RefEntry, zipfields, RefEntry, zipfields, cmpTarget)

UA_StatusCode
RefTree_init(RefTree *rt) {
    rt->size = 0;
    rt->capacity = 0;
    ZIP_INIT(&rt->head);
    size_t space = (sizeof(UA_ExpandedNodeId) + sizeof(RefEntry)) * UA_REFTREE_INITIAL_SIZE;
    rt->targets = (UA_ExpandedNodeId*)UA_malloc(space);
    if(!rt->targets)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    rt->capacity = UA_REFTREE_INITIAL_SIZE;
    return UA_STATUSCODE_GOOD;
}

void
RefTree_clear(RefTree *rt) {
    for(size_t i = 0; i < rt->size; i++)
        UA_ExpandedNodeId_clear(&rt->targets[i]);
    if(rt->targets)
        UA_free(rt->targets);
}

/* Double the capacity of the reftree */
static UA_StatusCode UA_FUNC_ATTR_WARN_UNUSED_RESULT
RefTree_double(RefTree *rt) {
    size_t capacity = rt->capacity * 2;
    UA_assert(capacity > 0);
    size_t space = (sizeof(UA_ExpandedNodeId) + sizeof(RefEntry)) * capacity;
    UA_ExpandedNodeId *newTargets = (UA_ExpandedNodeId*)UA_realloc(rt->targets, space);
    if(!newTargets)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Repair the pointers for the realloced array+tree  */
    // What is this sorcery?
    // FIXME: This needs some cleaning up or explanation.
    // IMO uintptr could be completely avoided here.
    uintptr_t arraydiff = (uintptr_t)newTargets - (uintptr_t)rt->targets;
    RefEntry *reArray = (RefEntry*)
        ((uintptr_t)newTargets + (capacity * sizeof(UA_ExpandedNodeId)));
    uintptr_t entrydiff = (uintptr_t)reArray -
        ((uintptr_t)rt->targets + (rt->capacity * sizeof(UA_ExpandedNodeId)));
    RefEntry *oldReArray = (RefEntry*)
        ((uintptr_t)newTargets + (rt->capacity * sizeof(UA_ExpandedNodeId)));
    memmove(reArray, oldReArray, rt->size * sizeof(RefEntry));
    for(size_t i = 0; i < rt->size; i++) {
        uintptr_t *left = (uintptr_t*)&ZIP_LEFT(&reArray[i], zipfields);
        uintptr_t *right = (uintptr_t*)&ZIP_RIGHT(&reArray[i], zipfields);
        if(*left != 0)
            *left += entrydiff;
        if(*right != 0)
            *right += entrydiff;
        reArray[i].target = (UA_ExpandedNodeId*)((uintptr_t)reArray[i].target + arraydiff);
    }

    ZIP_ROOT(&rt->head) = (RefEntry*)((uintptr_t)ZIP_ROOT(&rt->head) + entrydiff);
    rt->capacity = capacity;
    rt->targets = newTargets;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
RefTree_add(RefTree *rt, UA_NodePointer target, UA_Boolean *duplicate) {
    UA_ExpandedNodeId en = UA_NodePointer_toExpandedNodeId(target);

    /* Is the target already in the tree? */
    RefEntry dummy;
    memset(&dummy, 0, sizeof(RefEntry));
    dummy.target = &en;
    dummy.targetHash = UA_ExpandedNodeId_hash(&en);
    if(ZIP_FIND(RefHead, &rt->head, &dummy)) {
        if(duplicate)
            *duplicate = true;
        return UA_STATUSCODE_GOOD;
    }

    UA_StatusCode s = UA_STATUSCODE_GOOD;
    if(rt->capacity <= rt->size) {
        s = RefTree_double(rt);
        if(s != UA_STATUSCODE_GOOD)
            return s;
    }
    s = UA_ExpandedNodeId_copy(&en, &rt->targets[rt->size]);
    if(s != UA_STATUSCODE_GOOD)
        return s;
    RefEntry *re = (RefEntry*)((uintptr_t)rt->targets +
                               (sizeof(UA_ExpandedNodeId) * rt->capacity) +
                               (sizeof(RefEntry) * rt->size));
    re->target = &rt->targets[rt->size];
    re->targetHash = dummy.targetHash;
    ZIP_INSERT(RefHead, &rt->head, re, UA_UInt32_random());
    rt->size++;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
RefTree_addNodeId(RefTree *rt, const UA_NodeId *target,
                  UA_Boolean *duplicate) {
    return RefTree_add(rt, UA_NodePointer_fromNodeId(target), duplicate);
}

UA_Boolean
RefTree_contains(RefTree *rt, const UA_ExpandedNodeId *target) {
    RefEntry dummy;
    dummy.target = target;
    dummy.targetHash = UA_ExpandedNodeId_hash(target);
    return !!ZIP_FIND(RefHead, &rt->head, &dummy);
}

UA_Boolean
RefTree_containsNodeId(RefTree *rt, const UA_NodeId *target) {
    UA_ExpandedNodeId en;
    en.nodeId = *target;
    en.namespaceUri = UA_STRING_NULL;
    en.serverIndex = 0;
    return RefTree_contains(rt, &en);
}

/********************/
/* Browse Recursive */
/********************/

static UA_StatusCode
browseRecursiveInner(UA_Server *server, RefTree *rt, UA_UInt16 depth, UA_Boolean skip,
                     UA_NodePointer nodeP, UA_BrowseDirection browseDirection,
                     const UA_ReferenceTypeSet *refTypes, UA_UInt32 nodeClassMask) {
    /* Have we reached the max recursion depth? */
    if(depth >= UA_MAX_TREE_RECURSE)
        return UA_STATUSCODE_GOOD;

    const UA_Node *node = UA_NODESTORE_GETFROMREF(server, nodeP);
    if(!node)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    const UA_NodeHead *head = &node->head;

    /* Add the current node to the results if we don't want to skip it (i.e. for
     * includeStartNodes) and it matches the nodeClassMask filter. Process the
     * children also if the nodeClassMask does not match. */
    if(!skip && matchClassMask(node, nodeClassMask)) {
        UA_Boolean duplicate = false;
        retval = RefTree_addNodeId(rt, &head->nodeId, &duplicate);
        if(duplicate || retval != UA_STATUSCODE_GOOD)
            goto cleanup;
    }

    for(size_t i = 0; i < head->referencesSize; i++) {
        UA_NodeReferenceKind *rk = &head->references[i];

        /* Reference in the right direction? */
        if(rk->isInverse && browseDirection == UA_BROWSEDIRECTION_FORWARD)
            continue;
        if(!rk->isInverse && browseDirection == UA_BROWSEDIRECTION_INVERSE)
            continue;

        /* Is the reference part of the hierarchy of references we look for? */
        if(!UA_ReferenceTypeSet_contains(refTypes, rk->referenceTypeIndex))
            continue;

        const UA_ReferenceTarget *target = NULL;
        while((target = UA_NodeReferenceKind_iterate(rk, target))) {
            if(UA_NodePointer_isLocal(target->targetId)) {
                retval = browseRecursiveInner(server, rt, (UA_UInt16)(depth+1), false,
                                              target->targetId, browseDirection,
                                              refTypes, nodeClassMask);
            } else {
                retval = RefTree_add(rt, target->targetId, NULL);
            }
            if(retval != UA_STATUSCODE_GOOD)
                goto cleanup;
        }
    }

 cleanup:
    UA_NODESTORE_RELEASE(server, node);
    return retval;
}

UA_StatusCode
browseRecursive(UA_Server *server, size_t startNodesSize, const UA_NodeId *startNodes,
                UA_BrowseDirection browseDirection, const UA_ReferenceTypeSet *refTypes,
                UA_UInt32 nodeClassMask, UA_Boolean includeStartNodes,
                size_t *resultsSize, UA_ExpandedNodeId **results) {
    RefTree rt;
    UA_StatusCode retval = RefTree_init(&rt);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    for(size_t i = 0; i < startNodesSize; i++) {
        /* Call the inner recursive browse separately for the search direction.
         * Otherwise we might take one step up and another step down in the
         * search tree. */
        if(browseDirection == UA_BROWSEDIRECTION_FORWARD ||
           browseDirection == UA_BROWSEDIRECTION_BOTH)
            retval |= browseRecursiveInner(server, &rt, 0, !includeStartNodes,
                                           UA_NodePointer_fromNodeId(&startNodes[i]),
                                           UA_BROWSEDIRECTION_FORWARD,
                                           refTypes, nodeClassMask);
        if(browseDirection == UA_BROWSEDIRECTION_INVERSE ||
           browseDirection == UA_BROWSEDIRECTION_BOTH)
            retval |= browseRecursiveInner(server, &rt, 0, !includeStartNodes,
                                           UA_NodePointer_fromNodeId(&startNodes[i]),
                                           UA_BROWSEDIRECTION_INVERSE,
                                           refTypes, nodeClassMask);
        if(retval != UA_STATUSCODE_GOOD)
            break;
    }

    if(rt.size > 0 && retval == UA_STATUSCODE_GOOD) {
        *results = rt.targets;
        *resultsSize = rt.size;
    } else {
        RefTree_clear(&rt);
    }
    return retval;
}

UA_StatusCode
UA_Server_browseRecursive(UA_Server *server, const UA_BrowseDescription *bd,
                          size_t *resultsSize, UA_ExpandedNodeId **results) {
    UA_LOCK(&server->serviceMutex);

    /* Set the list of relevant reference types */
    UA_ReferenceTypeSet refTypes;
    UA_StatusCode retval = referenceTypeIndices(server, &bd->referenceTypeId,
                                                &refTypes, bd->includeSubtypes);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_UNLOCK(&server->serviceMutex);
        return retval;
    }

    /* Browse */
    retval = browseRecursive(server, 1, &bd->nodeId, bd->browseDirection,
                             &refTypes, bd->nodeClassMask, false, resultsSize, results);

    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/**********/
/* Browse */
/**********/

typedef struct {
    size_t size;
    size_t capacity;
    UA_ReferenceDescription *descr;
} RefResult;

static UA_StatusCode UA_FUNC_ATTR_WARN_UNUSED_RESULT
RefResult_init(RefResult *rr) {
    memset(rr, 0, sizeof(RefResult));
    rr->descr = (UA_ReferenceDescription*)
        UA_Array_new(UA_REFTREE_INITIAL_SIZE, &UA_TYPES[UA_TYPES_REFERENCEDESCRIPTION]);
    if(!rr->descr)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    rr->capacity = UA_REFTREE_INITIAL_SIZE;
    rr->size = 0;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode UA_FUNC_ATTR_WARN_UNUSED_RESULT
RefResult_double(RefResult *rr) {
    size_t newSize = rr->capacity * 2;
    UA_ReferenceDescription *rd = (UA_ReferenceDescription*)
        UA_realloc(rr->descr, newSize * sizeof(UA_ReferenceDescription));
    if(!rd)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    memset(&rd[rr->size], 0, sizeof(UA_ReferenceDescription) * (newSize - rr->size));
    rr->descr = rd;
    rr->capacity = newSize;
    return UA_STATUSCODE_GOOD;
}

static void
RefResult_clear(RefResult *rr) {
    UA_assert(rr->descr != NULL);
    for(size_t i = 0; i < rr->size; i++)
        UA_ReferenceDescription_clear(&rr->descr[i]);
    UA_free(rr->descr);
}

struct ContinuationPoint {
    ContinuationPoint *next;
    UA_ByteString identifier;

    /* Parameters of the Browse Request */
    UA_BrowseDescription browseDescription;
    UA_UInt32 maxReferences;
    UA_ReferenceTypeSet relevantReferences;

    /* The next target to be transmitted to the client */
    UA_ExpandedNodeId nextTarget;
    UA_Byte nextRefKindIndex;
};

ContinuationPoint *
ContinuationPoint_clear(ContinuationPoint *cp) {
    UA_ByteString_clear(&cp->identifier);
    UA_BrowseDescription_clear(&cp->browseDescription);
    UA_ExpandedNodeId_clear(&cp->nextTarget);
    return cp->next;
}

/* Target node on top of the stack */
static UA_StatusCode UA_FUNC_ATTR_WARN_UNUSED_RESULT
addReferenceDescription(UA_Server *server, RefResult *rr,
                        const UA_NodeReferenceKind *ref, UA_UInt32 mask,
                        UA_NodePointer nodeP, const UA_Node *curr) {
    /* Ensure capacity is left */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(rr->size >= rr->capacity) {
        retval = RefResult_double(rr);
        if(retval != UA_STATUSCODE_GOOD)
           return retval;
    }

    UA_ReferenceDescription *descr = &rr->descr[rr->size];

    /* Fields without access to the actual node */
    UA_ExpandedNodeId en = UA_NodePointer_toExpandedNodeId(nodeP);
    retval = UA_ExpandedNodeId_copy(&en, &descr->nodeId);
    if(mask & UA_BROWSERESULTMASK_REFERENCETYPEID) {
        const UA_NodeId *refTypeId = 
            UA_NODESTORE_GETREFERENCETYPEID(server, ref->referenceTypeIndex);
        retval |= UA_NodeId_copy(refTypeId, &descr->referenceTypeId);
    }
    if(mask & UA_BROWSERESULTMASK_ISFORWARD)
        descr->isForward = !ref->isInverse;

    /* Remote references (ExpandedNodeId) are not further looked up here */
    if(!curr) {
        UA_ReferenceDescription_clear(descr);
        return retval;
    }
    
    /* Fields that require the actual node */
    if(mask & UA_BROWSERESULTMASK_NODECLASS)
        descr->nodeClass = curr->head.nodeClass;
    if(mask & UA_BROWSERESULTMASK_BROWSENAME)
        retval |= UA_QualifiedName_copy(&curr->head.browseName, &descr->browseName);
    if(mask & UA_BROWSERESULTMASK_DISPLAYNAME)
        retval |= UA_LocalizedText_copy(&curr->head.displayName, &descr->displayName);
    if(mask & UA_BROWSERESULTMASK_TYPEDEFINITION) {
        if(curr->head.nodeClass == UA_NODECLASS_OBJECT ||
           curr->head.nodeClass == UA_NODECLASS_VARIABLE) {
            const UA_Node *type = getNodeType(server, &curr->head);
            if(type) {
                retval |= UA_NodeId_copy(&type->head.nodeId, &descr->typeDefinition.nodeId);
                UA_NODESTORE_RELEASE(server, type);
            }
        }
    }

    if(retval == UA_STATUSCODE_GOOD)
        rr->size++; /* Increase the counter */
    else
        UA_ReferenceDescription_clear(descr);
    return retval;
}

/* Returns whether the node / continuationpoint is done */
static UA_StatusCode
browseReferences(UA_Server *server, const UA_NodeHead *head,
                 ContinuationPoint *cp, RefResult *rr, UA_Boolean *done) {
    UA_assert(cp);
    const UA_BrowseDescription *bd = &cp->browseDescription;

    size_t i = 0;
    const UA_ReferenceTarget *ref = NULL;

    /* If the cp was previously used, skip forward to the next ReferenceType to
     * be transmitted. */
    if(cp->identifier.length > 0) {
        for(; i < head->referencesSize; ++i) {
            UA_NodeReferenceKind *rk = &head->references[i];

            /* Was this the last transmitted ReferenceType? */
            if(head->references[i].referenceTypeIndex != cp->nextRefKindIndex)
                continue;

            /* Reference in the right direction? */
            if(rk->isInverse && bd->browseDirection == UA_BROWSEDIRECTION_FORWARD)
                continue;
            if(!rk->isInverse && bd->browseDirection == UA_BROWSEDIRECTION_INVERSE)
                continue;

            /* Get the next target */
            ref = UA_NodeReferenceKind_findTarget(rk, &cp->nextTarget);
            if(ref)
                break;

            /* The target no longer exists for this ReferenceType (and
             * direction). Continue to iterate for the case that a nodestore has
             * a duplicate UA_NodeReferenceKind (should not happen though). */
        }

        /* Fail with an error if the reference no longer exists. */
        if(!ref)
            return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Loop over the ReferenceTypes */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    for(; i < head->referencesSize; ++i) {
        UA_NodeReferenceKind *rk = &head->references[i];

        /* Reference in the right direction? */
        if(rk->isInverse && bd->browseDirection == UA_BROWSEDIRECTION_FORWARD)
            continue;
        if(!rk->isInverse && bd->browseDirection == UA_BROWSEDIRECTION_INVERSE)
            continue;

        /* Is the reference part of the hierarchy of references we look for? */
        if(!UA_ReferenceTypeSet_contains(&cp->relevantReferences,
                                         rk->referenceTypeIndex))
            continue;

        /* We have a matching ReferenceType! */

        /* Loop over the targets for the ReferenceType. Start with the first
         * entry if we don't have a known entry-point from the cp. */
        if(!ref)
            ref = UA_NodeReferenceKind_iterate(rk, ref);
        for(;ref; ref = UA_NodeReferenceKind_iterate(rk, ref)) {
            /* Get the node if it is not a remote reference */
            const UA_Node *target =
                UA_NODESTORE_GETFROMREF(server, ref->targetId);

            /* Test if the node class matches */
            if(target && !matchClassMask(target, bd->nodeClassMask)) {
                UA_NODESTORE_RELEASE(server, target);
                continue;
            }

            /* We have a matching target! */

            /* Reached maxrefs. Update the cp and bail. */
            if(rr->size >= cp->maxReferences) {
                if(target)
                    UA_NODESTORE_RELEASE(server, target);
                cp->nextRefKindIndex = rk->referenceTypeIndex;
                /* Make a deep copy */
                UA_ExpandedNodeId tmpEn =
                    UA_NodePointer_toExpandedNodeId(ref->targetId);
                UA_ExpandedNodeId_clear(&cp->nextTarget);
                return UA_ExpandedNodeId_copy(&tmpEn, &cp->nextTarget);
            }

            /* Copy the node description. Target is on top of the stack */
            retval = addReferenceDescription(server, rr, rk, bd->resultMask,
                                             ref->targetId, target);
            if(target)
                UA_NODESTORE_RELEASE(server, target);
            if(retval != UA_STATUSCODE_GOOD)
                return retval;
        }
    }

    /* The node is done */
    *done = true;
    return UA_STATUSCODE_GOOD;
}

/* Results for a single browsedescription. This is the inner loop for both
 * Browse and BrowseNext. The ContinuationPoint contains all the data used.
 * Including the BrowseDescription. Returns whether there are remaining
 * references. */
static UA_Boolean
browseWithContinuation(UA_Server *server, UA_Session *session,
                       ContinuationPoint *cp, UA_BrowseResult *result) {
    UA_assert(cp);
    const UA_BrowseDescription *descr = &cp->browseDescription;

    /* Is the browsedirection valid? */
    if(descr->browseDirection != UA_BROWSEDIRECTION_BOTH &&
       descr->browseDirection != UA_BROWSEDIRECTION_FORWARD &&
       descr->browseDirection != UA_BROWSEDIRECTION_INVERSE) {
        result->statusCode = UA_STATUSCODE_BADBROWSEDIRECTIONINVALID;
        return true;
    }

    /* Is the reference type valid? */
    if(!UA_NodeId_isNull(&descr->referenceTypeId)) {
        const UA_Node *reftype = UA_NODESTORE_GET(server, &descr->referenceTypeId);
        if(!reftype) {
            result->statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
            return true;
        }

        UA_Boolean isRef = (reftype->head.nodeClass == UA_NODECLASS_REFERENCETYPE);
        UA_NODESTORE_RELEASE(server, reftype);

        if(!isRef) {
            result->statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
            return true;
        }
    }

    const UA_Node *node = UA_NODESTORE_GET(server, &descr->nodeId);
    if(!node) {
        result->statusCode = UA_STATUSCODE_BADNODEIDUNKNOWN;
        return true;
    }

    if(session != &server->adminSession &&
       !server->config.accessControl.
         allowBrowseNode(server, &server->config.accessControl,
                         &session->sessionId, session->sessionHandle,
                         &descr->nodeId, node->head.context)) {
        result->statusCode = UA_STATUSCODE_BADUSERACCESSDENIED;
        UA_NODESTORE_RELEASE(server, node);
        return true;
    }

    RefResult rr;
    result->statusCode = RefResult_init(&rr);
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        UA_NODESTORE_RELEASE(server, node);
        return true;
    }

    /* Browse the references */
    UA_Boolean done = false;
    result->statusCode = browseReferences(server, &node->head, cp, &rr, &done);
    UA_NODESTORE_RELEASE(server, node);
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        RefResult_clear(&rr);
        return true;
    }

    /* Move results */
    if(rr.size > 0) {
        result->references = rr.descr;
        result->referencesSize = rr.size;
    } else {
        /* No relevant references, return array of length zero */
        RefResult_clear(&rr);
        result->references = (UA_ReferenceDescription*)UA_EMPTY_ARRAY_SENTINEL;
    }

    return done;
}

/* Start to browse with no previous cp */
void
Operation_Browse(UA_Server *server, UA_Session *session, const UA_UInt32 *maxrefs,
                 const UA_BrowseDescription *descr, UA_BrowseResult *result) {
    /* Stack-allocate a temporary cp */
    ContinuationPoint cp;
    memset(&cp, 0, sizeof(ContinuationPoint));
    cp.maxReferences = *maxrefs;
    cp.browseDescription = *descr; /* Shallow copy. Deep-copy later if we persist the cp. */

    /* How many references can we return at most? */
    if(cp.maxReferences == 0) {
        if(server->config.maxReferencesPerNode != 0) {
            cp.maxReferences = server->config.maxReferencesPerNode;
        } else {
            cp.maxReferences = UA_INT32_MAX;
        }
    } else {
        if(server->config.maxReferencesPerNode != 0 &&
           cp.maxReferences > server->config.maxReferencesPerNode) {
            cp.maxReferences= server->config.maxReferencesPerNode;
        }
    }

    /* Get the list of relevant reference types */
    result->statusCode =
        referenceTypeIndices(server, &descr->referenceTypeId,
                             &cp.relevantReferences, descr->includeSubtypes);
    if(result->statusCode != UA_STATUSCODE_GOOD)
        return;

    UA_Boolean done = browseWithContinuation(server, session, &cp, result);

    /* Exit early if done or an error occurred */
    if(done || result->statusCode != UA_STATUSCODE_GOOD)
        return;

    /* Persist the new continuation point */

    ContinuationPoint *cp2 = NULL;
    UA_Guid *ident = NULL;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;

    /* Enough space for the continuation point? */
    if(session->availableContinuationPoints == 0) {
        retval = UA_STATUSCODE_BADNOCONTINUATIONPOINTS;
        goto cleanup;
    }

    /* Allocate and fill the data structure */
    cp2 = (ContinuationPoint*)UA_malloc(sizeof(ContinuationPoint));
    if(!cp2) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto cleanup;
    }

    memset(cp2, 0, sizeof(ContinuationPoint));
    /* The BrowseDescription is only a shallow copy in cp */
    retval = UA_BrowseDescription_copy(descr, &cp2->browseDescription);
    if(retval != UA_STATUSCODE_GOOD)
        goto cleanup;
    cp2->maxReferences = cp.maxReferences;
    cp2->relevantReferences = cp.relevantReferences;
    cp2->nextTarget = cp.nextTarget;
    cp2->nextRefKindIndex = cp.nextRefKindIndex;

    /* Create a random bytestring via a Guid */
    ident = UA_Guid_new();
    if(!ident) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto cleanup;
    }
    *ident = UA_Guid_random();
    cp2->identifier.data = (UA_Byte*)ident;
    cp2->identifier.length = sizeof(UA_Guid);

    /* Return the cp identifier */
    retval = UA_ByteString_copy(&cp2->identifier, &result->continuationPoint);
    if(retval != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Attach the cp to the session */
    cp2->next = session->continuationPoints;
    session->continuationPoints = cp2;
    --session->availableContinuationPoints;
    return;

 cleanup:
    if(cp2) {
        ContinuationPoint_clear(cp2);
        UA_free(cp2);
    }
    UA_BrowseResult_clear(result);
    result->statusCode = retval;
}

void Service_Browse(UA_Server *server, UA_Session *session,
                    const UA_BrowseRequest *request, UA_BrowseResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing BrowseRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Test the number of operations in the request */
    if(server->config.maxNodesPerBrowse != 0 &&
       request->nodesToBrowseSize > server->config.maxNodesPerBrowse) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    /* No views supported at the moment */
    if(!UA_NodeId_isNull(&request->view.viewId)) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADVIEWIDUNKNOWN;
        return;
    }

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_Browse,
                                           &request->requestedMaxReferencesPerNode,
                                           &request->nodesToBrowseSize,
                                           &UA_TYPES[UA_TYPES_BROWSEDESCRIPTION],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_BROWSERESULT]);
}

UA_BrowseResult
UA_Server_browse(UA_Server *server, UA_UInt32 maxReferences,
                 const UA_BrowseDescription *bd) {
    UA_BrowseResult result;
    UA_BrowseResult_init(&result);
    UA_LOCK(&server->serviceMutex);
    Operation_Browse(server, &server->adminSession, &maxReferences, bd, &result);
    UA_UNLOCK(&server->serviceMutex);
    return result;
}

static void
Operation_BrowseNext(UA_Server *server, UA_Session *session,
                     const UA_Boolean *releaseContinuationPoints,
                     const UA_ByteString *continuationPoint, UA_BrowseResult *result) {
    /* Find the continuation point */
    ContinuationPoint **prev = &session->continuationPoints;
    ContinuationPoint *cp;
    while((cp = *prev)) {
        if(UA_ByteString_equal(&cp->identifier, continuationPoint))
            break;
        prev = &cp->next;
    }
    if(!cp) {
        result->statusCode = UA_STATUSCODE_BADCONTINUATIONPOINTINVALID;
        return;
    }

    /* Remove the cp */
    if(*releaseContinuationPoints) {
        *prev = ContinuationPoint_clear(cp);
        UA_free(cp);
        ++session->availableContinuationPoints;
        return;
    }

    /* Continue browsing */
    UA_Boolean done = browseWithContinuation(server, session, cp, result);

    if(done) {
        /* Remove the cp if there are no references left */
        *prev = ContinuationPoint_clear(cp);
        UA_free(cp);
        ++session->availableContinuationPoints;
    } else {
        /* Return the cp identifier */
        UA_StatusCode retval =
            UA_ByteString_copy(&cp->identifier, &result->continuationPoint);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_BrowseResult_clear(result);
            result->statusCode = retval;
        }
    }
}

void
Service_BrowseNext(UA_Server *server, UA_Session *session,
                   const UA_BrowseNextRequest *request,
                   UA_BrowseNextResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing BrowseNextRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_Boolean releaseContinuationPoints =
        request->releaseContinuationPoints; /* request is const */
    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_BrowseNext,
                                           &releaseContinuationPoints,
                                           &request->continuationPointsSize,
                                           &UA_TYPES[UA_TYPES_BYTESTRING],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_BROWSERESULT]);
}

UA_BrowseResult
UA_Server_browseNext(UA_Server *server, UA_Boolean releaseContinuationPoint,
                     const UA_ByteString *continuationPoint) {
    UA_BrowseResult result;
    UA_BrowseResult_init(&result);
    UA_LOCK(&server->serviceMutex);
    Operation_BrowseNext(server, &server->adminSession, &releaseContinuationPoint,
                         continuationPoint, &result);
    UA_UNLOCK(&server->serviceMutex);
    return result;
}

/***********************/
/* TranslateBrowsePath */
/***********************/

/* Find all entries for that hash. There are duplicate for the possible hash
 * collisions. The exact browsename is checked afterwards. */
static UA_StatusCode
recursiveAddBrowseHashTarget(RefTree *results, struct aa_head *head,
                             const UA_ReferenceTarget *rt) {
    UA_assert(rt);
    UA_StatusCode res = RefTree_add(results, rt->targetId, NULL);
    UA_ReferenceTarget *prev = (UA_ReferenceTarget*)aa_prev(head, rt);
    while(prev && prev->targetNameHash == rt->targetNameHash) {
        res |= RefTree_add(results, prev->targetId, NULL);
        prev = (UA_ReferenceTarget*)aa_prev(head, prev);
    }
    UA_ReferenceTarget *next= (UA_ReferenceTarget*)aa_next(head, rt);
    while(next && next->targetNameHash == rt->targetNameHash) {
        res |= RefTree_add(results, next->targetId, NULL);
        next = (UA_ReferenceTarget*)aa_next(head, next);
    }
    return res;
}

static UA_StatusCode
walkBrowsePathElement(UA_Server *server, UA_Session *session,
                      const UA_RelativePath *path, const size_t pathIndex,
                      UA_UInt32 nodeClassMask, const UA_QualifiedName *lastBrowseName,
                      UA_BrowsePathResult *result, RefTree *current, RefTree *next) {
    /* For the next level. Note the difference from lastBrowseName */
    const UA_RelativePathElement *elem = &path->elements[pathIndex];
    UA_UInt32 browseNameHash = UA_QualifiedName_hash(&elem->targetName);

    /* Get the relevant ReferenceTypes */
    UA_ReferenceTypeSet refTypes;
    UA_StatusCode res =
        referenceTypeIndices(server, &elem->referenceTypeId,
                             &refTypes, elem->includeSubtypes);
    if(res != UA_STATUSCODE_GOOD)
        return UA_STATUSCODE_BADNOMATCH;

    struct aa_head _refNameTree = refNameTree;

    /* Loop over all Nodes in the current depth level */
    for(size_t i = 0; i < current->size; i++) {
        /* Remote Node. Immediately add to the results with the
         * RemainingPathIndex set. */
        if(!UA_ExpandedNodeId_isLocal(&current->targets[i])) {
            /* Increase the size of the results array */
            UA_BrowsePathTarget *tmpResults = (UA_BrowsePathTarget*)
                UA_realloc(result->targets, sizeof(UA_BrowsePathTarget) *
                           (result->targetsSize + 1));
            if(!tmpResults)
                return UA_STATUSCODE_BADOUTOFMEMORY;
            result->targets = tmpResults;

            /* Copy over the result */
            res = UA_ExpandedNodeId_copy(&current->targets[i],
                                         &result->targets[result->targetsSize].targetId);
            result->targets[result->targetsSize].remainingPathIndex = (UA_UInt32)pathIndex;
            result->targetsSize++;
            if(res != UA_STATUSCODE_GOOD)
                break;
            continue;
        }

        /* Local Node. Add to the tree of results at the next depth. */
        const UA_Node *node = UA_NODESTORE_GET(server, &current->targets[i].nodeId);
        if(!node)
            continue;

        /* Test whether the node fits the class mask */
        UA_Boolean skip = !matchClassMask(node, nodeClassMask);

        /* Does the BrowseName match for the current node (not the references
         * going out here) */
        skip |= (lastBrowseName &&
                 !UA_QualifiedName_equal(lastBrowseName, &node->head.browseName));

        if(skip) {
            UA_NODESTORE_RELEASE(server, node);
            continue;
        }

        /* Loop over the ReferenceKinds */
        for(size_t j = 0; j < node->head.referencesSize; j++) {
            UA_NodeReferenceKind *rk = &node->head.references[j];

            /* Does the direction of the reference match? */
            if(rk->isInverse != elem->isInverse)
                continue;

            /* Does the reference type match? */
            if(!UA_ReferenceTypeSet_contains(&refTypes, rk->referenceTypeIndex))
                continue;

            if(rk->hasRefTree) {
                /* Retrieve by BrowseName hash. We might have several nodes where
                 * the hash matches. The exact BrowseName will be verified in the
                 * next iteration of the outer loop. So we only have to retrieve
                 * every node just once. */
                _refNameTree.root = rk->targets.tree.nameTreeRoot;
                UA_ReferenceTarget *rt = (UA_ReferenceTarget*)
                    aa_find(&_refNameTree, &browseNameHash);
                if(!rt)
                    continue;
                
                res = recursiveAddBrowseHashTarget(next, &_refNameTree, rt);
                if(res != UA_STATUSCODE_GOOD)
                    break;
            } else {
                /* The array entries don't have a BrowseName hash. Add all of
                 * them at this level to be checked with a full string
                 * comparison. */
                for(size_t k = 0; k < rk->targetsSize; k++) {
                    if(rk->targets.array[k].targetNameHash != browseNameHash)
                        continue;
                    res = RefTree_add(next, rk->targets.array[k].targetId, NULL);
                    if(res != UA_STATUSCODE_GOOD)
                        break;
                }
                if(res != UA_STATUSCODE_GOOD)
                    break;
            }
        }

        UA_NODESTORE_RELEASE(server, node);
    }
    return res;
}

static void
Operation_TranslateBrowsePathToNodeIds(UA_Server *server, UA_Session *session,
                                       const UA_UInt32 *nodeClassMask,
                                       const UA_BrowsePath *path,
                                       UA_BrowsePathResult *result) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(path->relativePath.elementsSize == 0) {
        result->statusCode = UA_STATUSCODE_BADNOTHINGTODO;
        return;
    }

    /* RelativePath elements must not have an empty targetName */
    for(size_t i = 0; i < path->relativePath.elementsSize; ++i) {
        if(UA_QualifiedName_isNull(&path->relativePath.elements[i].targetName)) {
            result->statusCode = UA_STATUSCODE_BADBROWSENAMEINVALID;
            return;
        }
    }

    /* Check if the starting node exists */
    const UA_Node *startingNode = UA_NODESTORE_GET(server, &path->startingNode);
    if(!startingNode) {
        result->statusCode = UA_STATUSCODE_BADNODEIDUNKNOWN;
        return;
    }
    UA_NODESTORE_RELEASE(server, startingNode);

    /* Create two RefTrees that are alternated between path elements */
    RefTree rt1;
    RefTree rt2;
    RefTree *current = &rt1;
    RefTree *next = &rt2;
    RefTree *tmp;
    result->statusCode |= RefTree_init(&rt1);
    result->statusCode |= RefTree_init(&rt2);
    UA_BrowsePathTarget *tmpResults = NULL;
    UA_QualifiedName *browseNameFilter = NULL;
    if(result->statusCode != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Copy the starting node into next */
    result->statusCode = RefTree_addNodeId(next, &path->startingNode, NULL);
    if(result->statusCode != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Walk the path elements. Retrieve the nodes only once from the NodeStore.
     * Hence the BrowseName is checked with one element "delay". */
    for(size_t i = 0; i < path->relativePath.elementsSize; i++) {
        /* Switch the trees */
        tmp = current;
        current = next;
        next = tmp;

        /* Clear up current, keep the capacity */
        for(size_t j = 0; j < next->size; j++)
            UA_ExpandedNodeId_clear(&next->targets[j]);
        next->size = 0;
        ZIP_INIT(&next->head);

        /* Do this check after next->size has been set to zero */
        if(current->size == 0)
            break;

        /* Walk element for all NodeIds in the "current" tree.
         * Puts new results in the "next" tree. */
        result->statusCode =
            walkBrowsePathElement(server, session, &path->relativePath, i,
                                  *nodeClassMask, browseNameFilter, result, current, next);
        if(result->statusCode != UA_STATUSCODE_GOOD)
            goto cleanup;

        browseNameFilter = &path->relativePath.elements[i].targetName;
    }

    /* Allocate space for the results array */
    tmpResults = (UA_BrowsePathTarget*)
        UA_realloc(result->targets, sizeof(UA_BrowsePathTarget) *
                   (result->targetsSize + next->size));
    if(!tmpResults && next->size > 0) {
        result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
        goto cleanup;
    }
    result->targets = tmpResults;

    for(size_t k = 0; k < next->size; k++) {
        /* Check the BrowseName. It has been filtered only via its hash so far. */
        const UA_Node *node = UA_NODESTORE_GET(server, &next->targets[k].nodeId);
        if(!node)
            continue;
        UA_Boolean match = UA_QualifiedName_equal(browseNameFilter, &node->head.browseName);
        UA_NODESTORE_RELEASE(server, node);
        if(!match)
            continue;

        /* Move to the target to the results array */
        result->targets[result->targetsSize].targetId = next->targets[k];
        result->targets[result->targetsSize].remainingPathIndex = UA_UINT32_MAX;
        UA_ExpandedNodeId_init(&next->targets[k]);
        result->targetsSize++;
    }

    /* No results => BadNoMatch status code */
    if(result->targetsSize == 0 && result->statusCode == UA_STATUSCODE_GOOD)
        result->statusCode = UA_STATUSCODE_BADNOMATCH;

    /* Clean up the temporary arrays and the targets */
 cleanup:
    RefTree_clear(&rt1);
    RefTree_clear(&rt2);
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        for(size_t i = 0; i < result->targetsSize; ++i)
            UA_BrowsePathTarget_clear(&result->targets[i]);
        if(result->targets)
            UA_free(result->targets);
        result->targets = NULL;
        result->targetsSize = 0;
    }
}

UA_BrowsePathResult
translateBrowsePathToNodeIds(UA_Server *server,
                                       const UA_BrowsePath *browsePath) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_BrowsePathResult result;
    UA_BrowsePathResult_init(&result);
    UA_UInt32 nodeClassMask = 0; /* All node classes */
    Operation_TranslateBrowsePathToNodeIds(server, &server->adminSession, &nodeClassMask,
                                           browsePath, &result);
    return result;
}

UA_BrowsePathResult
UA_Server_translateBrowsePathToNodeIds(UA_Server *server,
                                       const UA_BrowsePath *browsePath) {
    UA_LOCK(&server->serviceMutex);
    UA_BrowsePathResult result = translateBrowsePathToNodeIds(server, browsePath);
    UA_UNLOCK(&server->serviceMutex);
    return result;
}

void
Service_TranslateBrowsePathsToNodeIds(UA_Server *server, UA_Session *session,
                                      const UA_TranslateBrowsePathsToNodeIdsRequest *request,
                                      UA_TranslateBrowsePathsToNodeIdsResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing TranslateBrowsePathsToNodeIdsRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Test the number of operations in the request */
    if(server->config.maxNodesPerTranslateBrowsePathsToNodeIds != 0 &&
       request->browsePathsSize > server->config.maxNodesPerTranslateBrowsePathsToNodeIds) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    UA_UInt32 nodeClassMask = 0; /* All node classes */
    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_TranslateBrowsePathToNodeIds,
                                           &nodeClassMask,
                                           &request->browsePathsSize, &UA_TYPES[UA_TYPES_BROWSEPATH],
                                           &response->resultsSize, &UA_TYPES[UA_TYPES_BROWSEPATHRESULT]);
}

UA_BrowsePathResult
browseSimplifiedBrowsePath(UA_Server *server, const UA_NodeId origin,
                           size_t browsePathSize, const UA_QualifiedName *browsePath) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_BrowsePathResult bpr;
    UA_BrowsePathResult_init(&bpr);
    if(browsePathSize > UA_MAX_TREE_RECURSE) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Simplified Browse Path too long");
        bpr.statusCode = UA_STATUSCODE_BADINTERNALERROR;
        return bpr;
    }

    /* Construct the BrowsePath */
    UA_BrowsePath bp;
    UA_BrowsePath_init(&bp);
    bp.startingNode = origin;

    UA_RelativePathElement rpe[UA_MAX_TREE_RECURSE];
    memset(rpe, 0, sizeof(UA_RelativePathElement) * browsePathSize);
    for(size_t j = 0; j < browsePathSize; j++) {
        rpe[j].referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HIERARCHICALREFERENCES);
        rpe[j].includeSubtypes = true;
        rpe[j].targetName = browsePath[j];
    }
    bp.relativePath.elements = rpe;
    bp.relativePath.elementsSize = browsePathSize;

    /* Browse */
    UA_UInt32 nodeClassMask = UA_NODECLASS_OBJECT | UA_NODECLASS_VARIABLE | UA_NODECLASS_OBJECTTYPE;

    Operation_TranslateBrowsePathToNodeIds(server, &server->adminSession, &nodeClassMask, &bp, &bpr);
    return bpr;
}

UA_BrowsePathResult
UA_Server_browseSimplifiedBrowsePath(UA_Server *server, const UA_NodeId origin,
                           size_t browsePathSize, const UA_QualifiedName *browsePath) {
    UA_LOCK(&server->serviceMutex);
    UA_BrowsePathResult bpr = browseSimplifiedBrowsePath(server, origin, browsePathSize, browsePath);
    UA_UNLOCK(&server->serviceMutex);
    return bpr;
}

/************/
/* Register */
/************/

void Service_RegisterNodes(UA_Server *server, UA_Session *session,
                           const UA_RegisterNodesRequest *request,
                           UA_RegisterNodesResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing RegisterNodesRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    //TODO: hang the nodeids to the session if really needed
    if(request->nodesToRegisterSize == 0) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO;
        return;
    }

    /* Test the number of operations in the request */
    if(server->config.maxNodesPerRegisterNodes != 0 &&
       request->nodesToRegisterSize > server->config.maxNodesPerRegisterNodes) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    response->responseHeader.serviceResult =
        UA_Array_copy(request->nodesToRegister, request->nodesToRegisterSize,
                      (void**)&response->registeredNodeIds, &UA_TYPES[UA_TYPES_NODEID]);
    if(response->responseHeader.serviceResult == UA_STATUSCODE_GOOD)
        response->registeredNodeIdsSize = request->nodesToRegisterSize;
}

void Service_UnregisterNodes(UA_Server *server, UA_Session *session,
                             const UA_UnregisterNodesRequest *request,
                             UA_UnregisterNodesResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing UnRegisterNodesRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    //TODO: remove the nodeids from the session if really needed
    if(request->nodesToUnregisterSize == 0)
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO;

    /* Test the number of operations in the request */
    if(server->config.maxNodesPerRegisterNodes != 0 &&
       request->nodesToUnregisterSize > server->config.maxNodesPerRegisterNodes) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }
}

/**** amalgamated original file "/src/server/ua_services_method.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2017 (c) Florian Palm
 *    Copyright 2015-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016 (c) LEvertz
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2020 (c) Hilscher Gesellschaft für Systemautomation mbH (Author: Martin Lang)
 */


#ifdef UA_ENABLE_METHODCALLS /* conditional compilation */

static const UA_VariableNode *
getArgumentsVariableNode(UA_Server *server, const UA_NodeHead *head,
                         UA_String withBrowseName) {
    for(size_t i = 0; i < head->referencesSize; ++i) {
        const UA_NodeReferenceKind *rk = &head->references[i];
        if(rk->isInverse != false)
            continue;
        if(rk->referenceTypeIndex != UA_REFERENCETYPEINDEX_HASPROPERTY)
            continue;
        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(rk, t))) {
            const UA_Node *refTarget =
                UA_NODESTORE_GETFROMREF(server, t->targetId);
            if(!refTarget)
                continue;
            if(refTarget->head.nodeClass == UA_NODECLASS_VARIABLE &&
               refTarget->head.browseName.namespaceIndex == 0 &&
               UA_String_equal(&withBrowseName, &refTarget->head.browseName.name)) {
                return &refTarget->variableNode;
            }
            UA_NODESTORE_RELEASE(server, refTarget);
        }
    }
    return NULL;
}

/* inputArgumentResults has the length request->inputArgumentsSize */
static UA_StatusCode
typeCheckArguments(UA_Server *server, UA_Session *session,
                   const UA_VariableNode *argRequirements, size_t argsSize,
                   UA_Variant *args, UA_StatusCode *inputArgumentResults) {
    /* Verify that we have a Variant containing UA_Argument (scalar or array) in
     * the "InputArguments" node */
    if(argRequirements->valueSource != UA_VALUESOURCE_DATA)
        return UA_STATUSCODE_BADINTERNALERROR;
    if(!argRequirements->value.data.value.hasValue)
        return UA_STATUSCODE_BADINTERNALERROR;
    if(argRequirements->value.data.value.value.type != &UA_TYPES[UA_TYPES_ARGUMENT])
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Verify the number of arguments. A scalar argument value is interpreted as
     * an array of length 1. */
    size_t argReqsSize = argRequirements->value.data.value.value.arrayLength;
    if(UA_Variant_isScalar(&argRequirements->value.data.value.value))
        argReqsSize = 1;
    if(argReqsSize > argsSize)
        return UA_STATUSCODE_BADARGUMENTSMISSING;
    if(argReqsSize < argsSize)
        return UA_STATUSCODE_BADTOOMANYARGUMENTS;

    /* Type-check every argument against the definition */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_Argument *argReqs = (UA_Argument*)argRequirements->value.data.value.value.data;
    const char *reason;
    for(size_t i = 0; i < argReqsSize; ++i) {
        if(compatibleValue(server, session, &argReqs[i].dataType, argReqs[i].valueRank,
                           argReqs[i].arrayDimensionsSize, argReqs[i].arrayDimensions,
                           &args[i], NULL, &reason))
            continue;

        /* Incompatible value. Try to correct the type if possible. */
        adjustValueType(server, &args[i], &argReqs[i].dataType);

        /* Recheck */
        if(!compatibleValue(server, session, &argReqs[i].dataType, argReqs[i].valueRank,
                            argReqs[i].arrayDimensionsSize, argReqs[i].arrayDimensions,
                            &args[i], NULL, &reason)) {
            inputArgumentResults[i] = UA_STATUSCODE_BADTYPEMISMATCH;
            retval = UA_STATUSCODE_BADINVALIDARGUMENT;
        }
    }
    return retval;
}

/* inputArgumentResults has the length request->inputArgumentsSize */
static UA_StatusCode
validMethodArguments(UA_Server *server, UA_Session *session, const UA_MethodNode *method,
                     const UA_CallMethodRequest *request,
                     UA_StatusCode *inputArgumentResults) {
    /* Get the input arguments node */
    const UA_VariableNode *inputArguments =
        getArgumentsVariableNode(server, &method->head, UA_STRING("InputArguments"));
    if(!inputArguments) {
        if(request->inputArgumentsSize > 0)
            return UA_STATUSCODE_BADTOOMANYARGUMENTS;
        return UA_STATUSCODE_GOOD;
    }

    /* Verify the request */
    UA_StatusCode retval =
        typeCheckArguments(server, session, inputArguments, request->inputArgumentsSize,
                           request->inputArguments, inputArgumentResults);

    /* Release the input arguments node */
    UA_NODESTORE_RELEASE(server, (const UA_Node*)inputArguments);
    return retval;
}

static const UA_NodeId hasComponentNodeId = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASCOMPONENT}};
static const UA_NodeId organizedByNodeId = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_ORGANIZES}};
static const UA_String namespaceDiModel = UA_STRING_STATIC("http://opcfoundation.org/UA/DI/");
static const UA_NodeId hasTypeDefinitionNodeId = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASTYPEDEFINITION}};
// ns=0 will be replace dynamically. DI-Spec. 1.01: <UAObjectType NodeId="ns=1;i=1005" BrowseName="1:FunctionalGroupType">
static UA_NodeId functionGroupNodeId = {0, UA_NODEIDTYPE_NUMERIC, {1005}};

static void
callWithMethodAndObject(UA_Server *server, UA_Session *session,
                        const UA_CallMethodRequest *request, UA_CallMethodResult *result,
                        const UA_MethodNode *method, const UA_ObjectNode *object) {
    /* Verify the object's NodeClass */
    if(object->head.nodeClass != UA_NODECLASS_OBJECT &&
       object->head.nodeClass != UA_NODECLASS_OBJECTTYPE) {
        result->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
        return;
    }

    /* Verify the method's NodeClass */
    if(method->head.nodeClass != UA_NODECLASS_METHOD) {
        result->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
        return;
    }

    /* Is there a method to execute? */
    if(!method->method) {
        result->statusCode = UA_STATUSCODE_BADINTERNALERROR;
        return;
    }

    UA_NodePointer methodP = UA_NodePointer_fromNodeId(&request->methodId);

    /* Verify method/object relations. Object must have a hasComponent or a
     * subtype of hasComponent reference to the method node. Therefore, check
     * every reference between the parent object and the method node if there is
     * a hasComponent (or subtype) reference */
    UA_ReferenceTypeSet hasComponentRefs;
    result->statusCode =
        referenceTypeIndices(server, &hasComponentNodeId, &hasComponentRefs, true);
    if(result->statusCode != UA_STATUSCODE_GOOD)
        return;

    UA_Boolean found = false;
    for(size_t i = 0; i < object->head.referencesSize && !found; ++i) {
        const UA_NodeReferenceKind *rk = &object->head.references[i];
        if(rk->isInverse)
            continue;
        if(!UA_ReferenceTypeSet_contains(&hasComponentRefs, rk->referenceTypeIndex))
            continue;
        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(rk, t))) {
            if(UA_NodePointer_equal(t->targetId, methodP)) {
                found = true;
                break;
            }
        }
    }

    if(!found) {
        /* The following ParentObject evaluation is a workaround only to fulfill
         * the OPC UA Spec. Part 100 - Devices requirements regarding functional
         * groups. Compare OPC UA Spec. Part 100 - Devices, Release 1.02
         *    - 5.4 FunctionalGroupType
         *    - B.1 Functional Group Usages
         * A functional group is a sub-type of the FolderType and is used to
         * organize the Parameters and Methods from the complete set (named
         * ParameterSet and MethodSet) in (Functional) groups for instance
         * Configuration or Identification. The same Property, Parameter or
         * Method can be referenced from more than one FunctionalGroup. */

        /* Check whether the DI namespace is available */
        size_t foundNamespace = 0;
        UA_StatusCode res = getNamespaceByName(server, namespaceDiModel, &foundNamespace);
        if(res != UA_STATUSCODE_GOOD) {
            result->statusCode = UA_STATUSCODE_BADMETHODINVALID;
            return;
        }
        functionGroupNodeId.namespaceIndex = (UA_UInt16)foundNamespace;

        UA_ReferenceTypeSet hasTypeDefinitionRefs;
        result->statusCode =
            referenceTypeIndices(server, &hasTypeDefinitionNodeId,
                                 &hasTypeDefinitionRefs, true);
        if(result->statusCode != UA_STATUSCODE_GOOD)
            return;

        /* Search for a HasTypeDefinition (or sub-) reference in the parent object */
        for(size_t i = 0; i < object->head.referencesSize && !found; ++i) {
            const UA_NodeReferenceKind *rk = &object->head.references[i];
            if(rk->isInverse)
                continue;
            if(!UA_ReferenceTypeSet_contains(&hasTypeDefinitionRefs, rk->referenceTypeIndex))
                continue;
            
            /* Verify that the HasTypeDefinition is equal to FunctionGroupType
             * (or sub-type) from the DI model */
            const UA_ReferenceTarget *t = NULL;
            while((t = UA_NodeReferenceKind_iterate(rk, t))) {
                if(!UA_NodePointer_isLocal(t->targetId))
                    continue;
                
                UA_NodeId tmpId = UA_NodePointer_toNodeId(t->targetId);
                if(!isNodeInTree_singleRef(server, &tmpId, &functionGroupNodeId,
                                           UA_REFERENCETYPEINDEX_HASSUBTYPE))
                    continue;

                /* Search for the called method with reference Organize (or
                 * sub-type) from the parent object */
                for(size_t k = 0; k < object->head.referencesSize && !found; ++k) {
                    const UA_NodeReferenceKind *rkInner = &object->head.references[k];
                    if(rkInner->isInverse)
                        continue;
                    const UA_NodeId * refId = 
                        UA_NODESTORE_GETREFERENCETYPEID(server, rkInner->referenceTypeIndex);
                    if(!isNodeInTree_singleRef(server, refId, &organizedByNodeId,
                                               UA_REFERENCETYPEINDEX_HASSUBTYPE))
                        continue;
                    
                    const UA_ReferenceTarget *t2 = NULL;
                    while((t2 = UA_NodeReferenceKind_iterate(rkInner, t2))) {
                        if(UA_NodePointer_equal(t2->targetId, methodP)) {
                            found = true;
                            break;
                        }
                    }
                }
            }
        }
        if(!found) {
            result->statusCode = UA_STATUSCODE_BADMETHODINVALID;
            return;
        }
    }

    /* Verify access rights */
    UA_Boolean executable = method->executable;
    if(session != &server->adminSession) {
        UA_UNLOCK(&server->serviceMutex);
        executable = executable && server->config.accessControl.
            getUserExecutableOnObject(server, &server->config.accessControl, &session->sessionId,
                                      session->sessionHandle, &request->methodId, method->head.context,
                                      &request->objectId, object->head.context);
        UA_LOCK(&server->serviceMutex);
    }

    if(!executable) {
        result->statusCode = UA_STATUSCODE_BADNOTEXECUTABLE;
        return;
    }

    /* Allocate the inputArgumentResults array */
    result->inputArgumentResults = (UA_StatusCode*)
        UA_Array_new(request->inputArgumentsSize, &UA_TYPES[UA_TYPES_STATUSCODE]);
    if(!result->inputArgumentResults) {
        result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }
    result->inputArgumentResultsSize = request->inputArgumentsSize;

    /* Verify Input Arguments */
    result->statusCode = validMethodArguments(server, session, method, request,
                                              result->inputArgumentResults);

    /* Return inputArgumentResults only for BADINVALIDARGUMENT */
    if(result->statusCode != UA_STATUSCODE_BADINVALIDARGUMENT) {
        UA_Array_delete(result->inputArgumentResults, result->inputArgumentResultsSize,
                        &UA_TYPES[UA_TYPES_STATUSCODE]);
        result->inputArgumentResults = NULL;
        result->inputArgumentResultsSize = 0;
    }

    /* Error during type-checking? */
    if(result->statusCode != UA_STATUSCODE_GOOD)
        return;

    /* Get the output arguments node */
    const UA_VariableNode *outputArguments =
        getArgumentsVariableNode(server, &method->head, UA_STRING("OutputArguments"));

    /* Allocate the output arguments array */
    size_t outputArgsSize = 0;
    if(outputArguments)
        outputArgsSize = outputArguments->value.data.value.value.arrayLength;
    result->outputArguments = (UA_Variant*)
        UA_Array_new(outputArgsSize, &UA_TYPES[UA_TYPES_VARIANT]);
    if(!result->outputArguments) {
        result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }
    result->outputArgumentsSize = outputArgsSize;

    /* Release the output arguments node */
    UA_NODESTORE_RELEASE(server, (const UA_Node*)outputArguments);

    /* Call the method */
    UA_UNLOCK(&server->serviceMutex);
    result->statusCode = method->method(server, &session->sessionId, session->sessionHandle,
                                        &method->head.nodeId, method->head.context,
                                        &object->head.nodeId, object->head.context,
                                        request->inputArgumentsSize, request->inputArguments,
                                        result->outputArgumentsSize, result->outputArguments);
    UA_LOCK(&server->serviceMutex);
    /* TODO: Verify Output matches the argument definition */
}

#if UA_MULTITHREADING >= 100

static void
Operation_CallMethodAsync(UA_Server *server, UA_Session *session, UA_UInt32 requestId,
                          UA_UInt32 requestHandle, size_t opIndex,
                          UA_CallMethodRequest *opRequest, UA_CallMethodResult *opResult,
                          UA_AsyncResponse **ar) {
    /* Get the method node */
    const UA_Node *method = UA_NODESTORE_GET(server, &opRequest->methodId);
    if(!method) {
        opResult->statusCode = UA_STATUSCODE_BADNODEIDUNKNOWN;
        return;
    }

    /* Get the object node */
    const UA_Node *object = UA_NODESTORE_GET(server, &opRequest->objectId);
    if(!object) {
        opResult->statusCode = UA_STATUSCODE_BADNODEIDUNKNOWN;
        UA_NODESTORE_RELEASE(server, method);
        return;
    }

    /* Synchronous execution */
    if(!method->methodNode.async) {
        callWithMethodAndObject(server, session, opRequest, opResult,
                                &method->methodNode, &object->objectNode);
        goto cleanup;
    }

    /* <-- Async method call --> */

    /* No AsyncResponse allocated so far */
    if(!*ar) {
        opResult->statusCode =
            UA_AsyncManager_createAsyncResponse(&server->asyncManager, server,
                            &session->sessionId, requestId, requestHandle,
                            UA_ASYNCOPERATIONTYPE_CALL, ar);
        if(opResult->statusCode != UA_STATUSCODE_GOOD)
            goto cleanup;
    }

    /* Create the Async Request to be taken by workers */
    opResult->statusCode =
        UA_AsyncManager_createAsyncOp(&server->asyncManager,
                                      server, *ar, opIndex, opRequest);

 cleanup:
    /* Release the method and object node */
    UA_NODESTORE_RELEASE(server, method);
    UA_NODESTORE_RELEASE(server, object);
}

void
Service_CallAsync(UA_Server *server, UA_Session *session, UA_UInt32 requestId,
                  const UA_CallRequest *request, UA_CallResponse *response,
                  UA_Boolean *finished) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing CallRequestAsync");
    if(server->config.maxNodesPerMethodCall != 0 &&
        request->methodsToCallSize > server->config.maxNodesPerMethodCall) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    UA_AsyncResponse *ar = NULL;
    response->responseHeader.serviceResult =
        UA_Server_processServiceOperationsAsync(server, session, requestId,
                  request->requestHeader.requestHandle,
                  (UA_AsyncServiceOperation)Operation_CallMethodAsync,
                  &request->methodsToCallSize, &UA_TYPES[UA_TYPES_CALLMETHODREQUEST],
                  &response->resultsSize, &UA_TYPES[UA_TYPES_CALLMETHODRESULT], &ar);

    if(ar) {
        if(ar->opCountdown > 0) {
            /* Move all results to the AsyncResponse. The async operation
             * results will be overwritten when the workers return results. */
            ar->response.callResponse = *response;
            UA_CallResponse_init(response);
            *finished = false;
        } else {
            /* If there is a new AsyncResponse, ensure it has at least one
             * pending operation */
            UA_AsyncManager_removeAsyncResponse(&server->asyncManager, ar);
        }
    }
}
#endif

static void
Operation_CallMethod(UA_Server *server, UA_Session *session, void *context,
                     const UA_CallMethodRequest *request, UA_CallMethodResult *result) {
    /* Get the method node */
    const UA_Node *method = UA_NODESTORE_GET(server, &request->methodId);
    if(!method) {
        result->statusCode = UA_STATUSCODE_BADNODEIDUNKNOWN;
        return;
    }

    /* Get the object node */
    const UA_Node *object = UA_NODESTORE_GET(server, &request->objectId);
    if(!object) {
        result->statusCode = UA_STATUSCODE_BADNODEIDUNKNOWN;
        UA_NODESTORE_RELEASE(server, method);
        return;
    }

    /* Continue with method and object as context */
    callWithMethodAndObject(server, session, request, result,
                            &method->methodNode, &object->objectNode);

    /* Release the method and object node */
    UA_NODESTORE_RELEASE(server, method);
    UA_NODESTORE_RELEASE(server, object);
}

void Service_Call(UA_Server *server, UA_Session *session,
                  const UA_CallRequest *request, UA_CallResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing CallRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxNodesPerMethodCall != 0 &&
       request->methodsToCallSize > server->config.maxNodesPerMethodCall) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                  (UA_ServiceOperation)Operation_CallMethod, NULL,
                  &request->methodsToCallSize, &UA_TYPES[UA_TYPES_CALLMETHODREQUEST],
                  &response->resultsSize, &UA_TYPES[UA_TYPES_CALLMETHODRESULT]);
}

UA_CallMethodResult
UA_Server_call(UA_Server *server, const UA_CallMethodRequest *request) {
    UA_CallMethodResult result;
    UA_CallMethodResult_init(&result);
    UA_LOCK(&server->serviceMutex);
    Operation_CallMethod(server, &server->adminSession, NULL, request, &result);
    UA_UNLOCK(&server->serviceMutex);
    return result;
}

#endif /* UA_ENABLE_METHODCALLS */

/**** amalgamated original file "/src/server/ua_services_session.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2017 (c) Florian Palm
 *    Copyright 2014-2016 (c) Sten Grüner
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017-2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2018-2020 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */


/* Delayed callback to free the session memory */
static void
removeSessionCallback(UA_Server *server, session_list_entry *entry) {
    UA_LOCK(&server->serviceMutex);
    UA_Session_clear(&entry->session, server);
    UA_UNLOCK(&server->serviceMutex);
}

void
UA_Server_removeSession(UA_Server *server, session_list_entry *sentry,
                        UA_DiagnosticEvent event) {
    UA_Session *session = &sentry->session;

    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Remove the Subscriptions */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_Subscription *sub, *tempsub;
    TAILQ_FOREACH_SAFE(sub, &session->subscriptions, sessionListEntry, tempsub) {
        UA_Subscription_delete(server, sub);
    }

    UA_PublishResponseEntry *entry;
    while((entry = UA_Session_dequeuePublishReq(session))) {
        UA_PublishResponse_clear(&entry->response);
        UA_free(entry);
    }
#endif

    /* Callback into userland access control */
    if(server->config.accessControl.closeSession) {
        UA_UNLOCK(&server->serviceMutex);
        server->config.accessControl.closeSession(server, &server->config.accessControl,
                                                  &session->sessionId, session->sessionHandle);
        UA_LOCK(&server->serviceMutex);
    }

    /* Detach the Session from the SecureChannel */
    UA_Session_detachFromSecureChannel(session);

    /* Deactivate the session */
    if(sentry->session.activated) {
        sentry->session.activated = false;
        server->activeSessionCount--;
    }

    /* Detach the session from the session manager and make the capacity
     * available */
    LIST_REMOVE(sentry, pointers);
    server->sessionCount--;

    switch(event) {
    case UA_DIAGNOSTICEVENT_CLOSE:
    case UA_DIAGNOSTICEVENT_PURGE:
        break;
    case UA_DIAGNOSTICEVENT_TIMEOUT:
        server->serverDiagnosticsSummary.sessionTimeoutCount++;
        break;
    case UA_DIAGNOSTICEVENT_REJECT:
        server->serverDiagnosticsSummary.rejectedSessionCount++;
        break;
    case UA_DIAGNOSTICEVENT_SECURITYREJECT:
        server->serverDiagnosticsSummary.securityRejectedSessionCount++;
        break;
    case UA_DIAGNOSTICEVENT_ABORT:
        server->serverDiagnosticsSummary.sessionAbortCount++;
        break;
    default:
        UA_assert(false);
        break;
    }

    /* Add a delayed callback to remove the session when the currently
     * scheduled jobs have completed */
    sentry->cleanupCallback.callback = (UA_ApplicationCallback)removeSessionCallback;
    sentry->cleanupCallback.application = server;
    sentry->cleanupCallback.data = sentry;
    sentry->cleanupCallback.nextTime = UA_DateTime_nowMonotonic() + 1;
    sentry->cleanupCallback.interval = 0; /* Remove the structure */
    UA_Timer_addTimerEntry(&server->timer, &sentry->cleanupCallback, NULL);
}

UA_StatusCode
UA_Server_removeSessionByToken(UA_Server *server, const UA_NodeId *token,
                               UA_DiagnosticEvent event) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    session_list_entry *entry;
    LIST_FOREACH(entry, &server->sessions, pointers) {
        if(UA_NodeId_equal(&entry->session.header.authenticationToken, token)) {
            UA_Server_removeSession(server, entry, event);
            return UA_STATUSCODE_GOOD;
        }
    }
    return UA_STATUSCODE_BADSESSIONIDINVALID;
}

void
UA_Server_cleanupSessions(UA_Server *server, UA_DateTime nowMonotonic) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    session_list_entry *sentry, *temp;
    LIST_FOREACH_SAFE(sentry, &server->sessions, pointers, temp) {
        /* Session has timed out? */
        if(sentry->session.validTill >= nowMonotonic)
            continue;
        UA_LOG_INFO_SESSION(&server->config.logger, &sentry->session, "Session has timed out");
        UA_Server_removeSession(server, sentry, UA_DIAGNOSTICEVENT_TIMEOUT);
    }
}

/************/
/* Services */
/************/

UA_Session *
getSessionByToken(UA_Server *server, const UA_NodeId *token) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    session_list_entry *current = NULL;
    LIST_FOREACH(current, &server->sessions, pointers) {
        /* Token does not match */
        if(!UA_NodeId_equal(&current->session.header.authenticationToken, token))
            continue;

        /* Session has timed out */
        if(UA_DateTime_nowMonotonic() > current->session.validTill) {
            UA_LOG_INFO_SESSION(&server->config.logger, &current->session,
                                "Client tries to use a session that has timed out");
            return NULL;
        }

        return &current->session;
    }

    return NULL;
}

UA_Session *
UA_Server_getSessionById(UA_Server *server, const UA_NodeId *sessionId) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    session_list_entry *current = NULL;
    LIST_FOREACH(current, &server->sessions, pointers) {
        /* Token does not match */
        if(!UA_NodeId_equal(&current->session.sessionId, sessionId))
            continue;

        /* Session has timed out */
        if(UA_DateTime_nowMonotonic() > current->session.validTill) {
            UA_LOG_INFO_SESSION(&server->config.logger, &current->session,
                                "Client tries to use a session that has timed out");
            return NULL;
        }

        return &current->session;
    }

    return NULL;
}

static UA_StatusCode
signCreateSessionResponse(UA_Server *server, UA_SecureChannel *channel,
                          const UA_CreateSessionRequest *request,
                          UA_CreateSessionResponse *response) {
    if(channel->securityMode != UA_MESSAGESECURITYMODE_SIGN &&
       channel->securityMode != UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        return UA_STATUSCODE_GOOD;

    const UA_SecurityPolicy *securityPolicy = channel->securityPolicy;
    UA_SignatureData *signatureData = &response->serverSignature;

    /* Prepare the signature */
    size_t signatureSize = securityPolicy->certificateSigningAlgorithm.
        getLocalSignatureSize(channel->channelContext);
    UA_StatusCode retval = UA_String_copy(&securityPolicy->certificateSigningAlgorithm.uri,
                                          &signatureData->algorithm);
    retval |= UA_ByteString_allocBuffer(&signatureData->signature, signatureSize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Allocate a temp buffer */
    size_t dataToSignSize = request->clientCertificate.length + request->clientNonce.length;
    UA_ByteString dataToSign;
    retval = UA_ByteString_allocBuffer(&dataToSign, dataToSignSize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval; /* signatureData->signature is cleaned up with the response */

    /* Sign the signature */
    memcpy(dataToSign.data, request->clientCertificate.data, request->clientCertificate.length);
    memcpy(dataToSign.data + request->clientCertificate.length,
           request->clientNonce.data, request->clientNonce.length);
    retval = securityPolicy->certificateSigningAlgorithm.
        sign(channel->channelContext, &dataToSign, &signatureData->signature);

    /* Clean up */
    UA_ByteString_clear(&dataToSign);
    return retval;
}

/* Creates and adds a session. But it is not yet attached to a secure channel. */
UA_StatusCode
UA_Server_createSession(UA_Server *server, UA_SecureChannel *channel,
                        const UA_CreateSessionRequest *request, UA_Session **session) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->sessionCount >= server->config.maxSessions) {
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "Could not create a Session - Server limits reached");
        return UA_STATUSCODE_BADTOOMANYSESSIONS;
    }

    session_list_entry *newentry = (session_list_entry*)
        UA_malloc(sizeof(session_list_entry));
    if(!newentry)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Initialize the Session */
    UA_Session_init(&newentry->session);
    newentry->session.sessionId = UA_NODEID_GUID(1, UA_Guid_random());
    newentry->session.header.authenticationToken = UA_NODEID_GUID(1, UA_Guid_random());

    newentry->session.timeout = server->config.maxSessionTimeout;
    if(request->requestedSessionTimeout <= server->config.maxSessionTimeout &&
       request->requestedSessionTimeout > 0)
        newentry->session.timeout = request->requestedSessionTimeout;

    /* Attach the session to the channel. But don't activate for now. */
    if(channel)
        UA_Session_attachToSecureChannel(&newentry->session, channel);
    UA_Session_updateLifetime(&newentry->session);

    /* Add to the server */
    LIST_INSERT_HEAD(&server->sessions, newentry, pointers);
    server->sessionCount++;

    *session = &newentry->session;
    return UA_STATUSCODE_GOOD;
}

void
Service_CreateSession(UA_Server *server, UA_SecureChannel *channel,
                      const UA_CreateSessionRequest *request,
                      UA_CreateSessionResponse *response) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_LOG_DEBUG_CHANNEL(&server->config.logger, channel, "Trying to create session");

    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        /* Compare the clientCertificate with the remoteCertificate of the channel.
         * Both the clientCertificate of this request and the remoteCertificate
         * of the channel may contain a partial or a complete certificate chain.
         * The compareCertificate function of the channelModule will compare the
         * first certificate of each chain. The end certificate shall be located
         * first in the chain according to the OPC UA specification Part 6 (1.04),
         * chapter 6.2.3.*/
        UA_StatusCode retval = channel->securityPolicy->channelModule.
            compareCertificate(channel->channelContext, &request->clientCertificate);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                                   "The client certificate did not validate");
            response->responseHeader.serviceResult = UA_STATUSCODE_BADCERTIFICATEINVALID;
            return;
        }
    }

    UA_assert(channel->securityToken.channelId != 0);

    if(!UA_ByteString_equal(&channel->securityPolicy->policyUri,
                            &UA_SECURITY_POLICY_NONE_URI) &&
       request->clientNonce.length < 32) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNONCEINVALID;
        return;
    }

    if(request->clientCertificate.length > 0) {
        UA_CertificateVerification *cv = &server->config.certificateVerification;
        response->responseHeader.serviceResult =
            cv->verifyApplicationURI(cv->context, &request->clientCertificate,
                                     &request->clientDescription.applicationUri);
        if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                                   "The client's ApplicationURI did not match the certificate");
            server->serverDiagnosticsSummary.securityRejectedSessionCount++;
            server->serverDiagnosticsSummary.rejectedSessionCount++;
            return;
        }
    }

    UA_Session *newSession = NULL;
    response->responseHeader.serviceResult =
        UA_Server_createSession(server, channel, request, &newSession);
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "Processing CreateSessionRequest failed");
        server->serverDiagnosticsSummary.rejectedSessionCount++;
        return;
    }

    UA_assert(newSession != NULL);

    /* Allocate the response */
    response->serverEndpoints = (UA_EndpointDescription *)
        UA_Array_new(server->config.endpointsSize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
    if(!response->serverEndpoints) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        UA_Server_removeSessionByToken(server, &newSession->header.authenticationToken,
                                       UA_DIAGNOSTICEVENT_REJECT);
        return;
    }
    response->serverEndpointsSize = server->config.endpointsSize;

    /* Copy the server's endpointdescriptions into the response */
    for(size_t i = 0; i < server->config.endpointsSize; ++i)
        response->responseHeader.serviceResult |=
            UA_EndpointDescription_copy(&server->config.endpoints[i],
                                        &response->serverEndpoints[i]);
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_Server_removeSessionByToken(server, &newSession->header.authenticationToken,
                                       UA_DIAGNOSTICEVENT_REJECT);
        return;
    }

    /* Mirror back the endpointUrl */
    for(size_t i = 0; i < response->serverEndpointsSize; ++i) {
        UA_String_clear(&response->serverEndpoints[i].endpointUrl);
        response->responseHeader.serviceResult |=
            UA_String_copy(&request->endpointUrl,
                           &response->serverEndpoints[i].endpointUrl);
    }

    /* Fill the session information */
    newSession->maxResponseMessageSize = request->maxResponseMessageSize;
    newSession->maxRequestMessageSize = channel->config.localMaxMessageSize;
    response->responseHeader.serviceResult |=
        UA_ApplicationDescription_copy(&request->clientDescription,
                                       &newSession->clientDescription);

    /* Prepare the response */
    response->sessionId = newSession->sessionId;
    response->revisedSessionTimeout = (UA_Double)newSession->timeout;
    response->authenticationToken = newSession->header.authenticationToken;
    response->responseHeader.serviceResult |=
        UA_String_copy(&request->sessionName, &newSession->sessionName);

#ifdef UA_ENABLE_DIAGNOSTICS
    response->responseHeader.serviceResult |=
        UA_String_copy(&request->serverUri, &newSession->diagnostics.serverUri);
    response->responseHeader.serviceResult |=
        UA_String_copy(&request->endpointUrl, &newSession->diagnostics.endpointUrl);
#endif

    UA_ByteString_init(&response->serverCertificate);

    if(server->config.endpointsSize > 0)
       for(size_t i = 0; i < response->serverEndpointsSize; ++i) {
          if(response->serverEndpoints[i].securityMode==channel->securityMode &&
             UA_ByteString_equal(&response->serverEndpoints[i].securityPolicyUri,
                                 &channel->securityPolicy->policyUri) &&
             UA_String_equal(&response->serverEndpoints[i].endpointUrl,
                             &request->endpointUrl))
          {
             response->responseHeader.serviceResult |=
                 UA_ByteString_copy(&response->serverEndpoints[i].serverCertificate,
                                    &response->serverCertificate);
          }
       }

    /* Create a session nonce */
    response->responseHeader.serviceResult |= UA_Session_generateNonce(newSession);
    response->responseHeader.serviceResult |=
        UA_ByteString_copy(&newSession->serverNonce, &response->serverNonce);

    /* Sign the signature */
    response->responseHeader.serviceResult |=
       signCreateSessionResponse(server, channel, request, response);

    /* Failure -> remove the session */
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_Server_removeSessionByToken(server, &newSession->header.authenticationToken,
                                       UA_DIAGNOSTICEVENT_REJECT);
        return;
    }

#ifdef UA_ENABLE_DIAGNOSTICS
    newSession->diagnostics.clientConnectionTime = UA_DateTime_now();
    newSession->diagnostics.clientLastContactTime =
        newSession->diagnostics.clientConnectionTime;

    /* Create the object in the information model */
    createSessionObject(server, newSession);
#endif

    UA_LOG_INFO_SESSION(&server->config.logger, newSession, "Session created");
}

static UA_StatusCode
checkSignature(const UA_Server *server, const UA_SecurityPolicy *securityPolicy,
               void *channelContext, const UA_ByteString *serverNonce,
               const UA_SignatureData *signature) {
    /* Check for zero signature length */
    if(signature->signature.length == 0)
        return UA_STATUSCODE_BADAPPLICATIONSIGNATUREINVALID;

    if(!securityPolicy)
        return UA_STATUSCODE_BADINTERNALERROR;

    const UA_ByteString *localCertificate = &securityPolicy->localCertificate;
    /* Data to verify is calculated by appending the serverNonce to the local certificate */
    UA_ByteString dataToVerify;
    size_t dataToVerifySize = localCertificate->length + serverNonce->length;
    UA_StatusCode retval = UA_ByteString_allocBuffer(&dataToVerify, dataToVerifySize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    memcpy(dataToVerify.data, localCertificate->data, localCertificate->length);
    memcpy(dataToVerify.data + localCertificate->length,
           serverNonce->data, serverNonce->length);
    retval = securityPolicy->certificateSigningAlgorithm.
        verify(channelContext, &dataToVerify, &signature->signature);
    UA_ByteString_clear(&dataToVerify);
    return retval;
}

#ifdef UA_ENABLE_ENCRYPTION

static UA_StatusCode
decryptPassword(UA_SecurityPolicy *securityPolicy, void *tempChannelContext,
                const UA_ByteString *serverNonce, UA_UserNameIdentityToken *userToken) {
    UA_SecurityPolicyEncryptionAlgorithm *asymEnc =
        &securityPolicy->asymmetricModule.cryptoModule.encryptionAlgorithm;
    if(!UA_String_equal(&userToken->encryptionAlgorithm, &asymEnc->uri))
        return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

    UA_UInt32 tokenSecretLength;
    UA_ByteString decryptedTokenSecret, tokenServerNonce;
    size_t tokenpos = 0;
    size_t offset = 0;
    if(UA_ByteString_copy(&userToken->password, &decryptedTokenSecret) != UA_STATUSCODE_GOOD)
        return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

    UA_StatusCode retval = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
    if(asymEnc->decrypt(tempChannelContext, &decryptedTokenSecret) != UA_STATUSCODE_GOOD)
        goto cleanup;

    UA_UInt32_decodeBinary(&decryptedTokenSecret, &offset, &tokenSecretLength);

    /* The decrypted data must be large enough to include the Encrypted Token
     * Secret Format and the length field must indicate enough data to include
     * the server nonce. */
    if(decryptedTokenSecret.length < sizeof(UA_UInt32) + serverNonce->length ||
       decryptedTokenSecret.length < sizeof(UA_UInt32) + tokenSecretLength ||
       tokenSecretLength < serverNonce->length)
        goto cleanup;

    /* If the Encrypted Token Secret contains padding, the padding must be
     * zeroes according to the 1.04.1 specification errata, chapter 3. */
    for(size_t i = sizeof(UA_UInt32) + tokenSecretLength; i < decryptedTokenSecret.length; i++) {
        if(decryptedTokenSecret.data[i] != 0)
            goto cleanup;
    }

    /* The server nonce must match according to the 1.04.1 specification errata,
     * chapter 3. */
    tokenpos = sizeof(UA_UInt32) + tokenSecretLength - serverNonce->length;
    tokenServerNonce.length = serverNonce->length;
    tokenServerNonce.data = &decryptedTokenSecret.data[tokenpos];
    if(!UA_ByteString_equal(serverNonce, &tokenServerNonce))
        goto cleanup;

    /* The password was decrypted successfully. Replace usertoken with the
     * decrypted password. The encryptionAlgorithm and policyId fields are left
     * in the UserToken as an indication for the AccessControl plugin that
     * evaluates the decrypted content. */
    memcpy(userToken->password.data, &decryptedTokenSecret.data[sizeof(UA_UInt32)],
           tokenSecretLength - serverNonce->length);
    userToken->password.length = tokenSecretLength - serverNonce->length;
    retval = UA_STATUSCODE_GOOD;

 cleanup:
    UA_ByteString_clear(&decryptedTokenSecret);
    return retval;
}
#endif

static void
selectEndpointAndTokenPolicy(UA_Server *server, UA_SecureChannel *channel,
                             const UA_ExtensionObject *identityToken,
                             const UA_EndpointDescription **ed,
                             const UA_UserTokenPolicy **utp) {
    for(size_t i = 0; i < server->config.endpointsSize; ++i) {
        const UA_EndpointDescription *desc = &server->config.endpoints[i];

        /* Match the Security Mode */
        if(desc->securityMode != channel->securityMode)
            continue;

        /* Match the SecurityPolicy of the endpoint with the current channel */
        if(!UA_String_equal(&desc->securityPolicyUri, &channel->securityPolicy->policyUri))
            continue;

        /* Match the UserTokenType */
        const UA_DataType *tokenDataType = identityToken->content.decoded.type;
        for(size_t j = 0; j < desc->userIdentityTokensSize; j++) {
            const UA_UserTokenPolicy *pol = &desc->userIdentityTokens[j];

            /* Part 4, Section 5.6.3.2, Table 17: A NULL or empty
             * UserIdentityToken should be treated as Anonymous */
            if(identityToken->encoding == UA_EXTENSIONOBJECT_ENCODED_NOBODY &&
               pol->tokenType == UA_USERTOKENTYPE_ANONYMOUS) {
                *ed = desc;
                *utp = pol;
                return;
            }

            /* Expect decoded content */
            if(!tokenDataType)
                continue;

            if(pol->tokenType == UA_USERTOKENTYPE_ANONYMOUS) {
                if(tokenDataType != &UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN])
                    continue;
            } else if(pol->tokenType == UA_USERTOKENTYPE_USERNAME) {
                if(tokenDataType != &UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN])
                    continue;
            } else if(pol->tokenType == UA_USERTOKENTYPE_CERTIFICATE) {
                if(tokenDataType != &UA_TYPES[UA_TYPES_X509IDENTITYTOKEN])
                    continue;
            } else if(pol->tokenType == UA_USERTOKENTYPE_ISSUEDTOKEN) {
                if(tokenDataType != &UA_TYPES[UA_TYPES_ISSUEDIDENTITYTOKEN])
                    continue;
            } else {
                continue;
            }

            /* All valid token data types start with a string policyId */
            UA_AnonymousIdentityToken *token = (UA_AnonymousIdentityToken*)
                identityToken->content.decoded.data;

            if(!UA_String_equal(&pol->policyId, &token->policyId))
                continue;

            /* Match found */
            *ed = desc;
            *utp = pol;
            return;
        }
    }
}

#ifdef UA_ENABLE_DIAGNOSTICS
static UA_StatusCode
saveClientUserId(const UA_ExtensionObject *userIdentityToken,
                 UA_SessionSecurityDiagnosticsDataType *diag) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;

    UA_String_clear(&diag->clientUserIdOfSession);
    if(userIdentityToken->encoding != UA_EXTENSIONOBJECT_DECODED)
        return UA_STATUSCODE_GOOD;

    if(userIdentityToken->content.decoded.type ==
       &UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN]) {
        /* String of length 0 */
    } else if(userIdentityToken->content.decoded.type ==
       &UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN]) {
        const UA_UserNameIdentityToken *userToken = (UA_UserNameIdentityToken*)
            userIdentityToken->content.decoded.data;
        res = UA_String_copy(&userToken->userName, &diag->clientUserIdOfSession);
    } else if(userIdentityToken->content.decoded.type ==
       &UA_TYPES[UA_TYPES_X509IDENTITYTOKEN]) {
        /* TODO: return the X509 Subject Name of the certificate */
    } else {
        return UA_STATUSCODE_BADIDENTITYTOKENINVALID;
    }

    if(res != UA_STATUSCODE_GOOD)
        return res;

    return UA_Array_appendCopy((void**)&diag->clientUserIdHistory,
                               &diag->clientUserIdHistorySize,
                               &diag->clientUserIdOfSession,
                               &UA_TYPES[UA_TYPES_STRING]);
}
#endif


/* TODO: Check all of the following: The Server shall verify that the
 * Certificate the Client used to create the new SecureChannel is the same as
 * the Certificate used to create the original SecureChannel. In addition, the
 * Server shall verify that the Client supplied a UserIdentityToken that is
 * identical to the token currently associated with the Session. Once the Server
 * accepts the new SecureChannel it shall reject requests sent via the old
 * SecureChannel. */

void
Service_ActivateSession(UA_Server *server, UA_SecureChannel *channel,
                        const UA_ActivateSessionRequest *request,
                        UA_ActivateSessionResponse *response) {
    const UA_EndpointDescription *ed = NULL;
    const UA_UserTokenPolicy *utp = NULL;
    UA_String *tmpLocaleIds;
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_Session *session = getSessionByToken(server, &request->requestHeader.authenticationToken);
    if(!session) {
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "ActivateSession: Session not found");
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSESSIONIDINVALID;
        goto rejected;
    }

    /* Part 4, §5.6.3: When the ActivateSession Service is called for the
     * first time then the Server shall reject the request if the
     * SecureChannel is not same as the one associated with the
     * CreateSession request. Subsequent calls to ActivateSession may be
     * associated with different SecureChannels. */
    if(!session->activated && session->header.channel != channel) {
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "ActivateSession: The Session has to be initially activated "
                               "on the SecureChannel that created it");
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSESSIONIDINVALID;
        goto rejected;
    }

    /* Has the session timed out? */
    if(session->validTill < UA_DateTime_nowMonotonic()) {
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "ActivateSession: The Session has timed out");
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSESSIONIDINVALID;
        goto rejected;
    }

    /* Check the client signature */
    if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        response->responseHeader.serviceResult =
            checkSignature(server, channel->securityPolicy, channel->channelContext,
                           &session->serverNonce, &request->clientSignature);
        if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING_SESSION(&server->config.logger, session,
                                   "ActivateSession: Client signature check failed with StatusCode %s",
                                   UA_StatusCode_name(response->responseHeader.serviceResult));
            goto securityRejected;
        }
    }

    /* Find the matching Endpoint with UserTokenPolicy */
    selectEndpointAndTokenPolicy(server, channel, &request->userIdentityToken, &ed, &utp);
    if(!ed) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
        goto rejected;
    }

    /* If it is a UserNameIdentityToken, the password may be encrypted */
    if(utp->tokenType == UA_USERTOKENTYPE_USERNAME) {
       UA_UserNameIdentityToken *userToken = (UA_UserNameIdentityToken *)
           request->userIdentityToken.content.decoded.data;

       /* If the userTokenPolicy doesn't specify a security policy the security
        * policy of the secure channel is used. */
       UA_SecurityPolicy* securityPolicy;
       if(!utp->securityPolicyUri.data)
           securityPolicy = getSecurityPolicyByUri(server, &ed->securityPolicyUri);
       else
           securityPolicy = getSecurityPolicyByUri(server, &utp->securityPolicyUri);
       if(!securityPolicy) {
          response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
          goto securityRejected;
       }

       /* Test if the encryption algorithm is correctly specified */
       if(!UA_String_equal(&userToken->encryptionAlgorithm,
                           &securityPolicy->asymmetricModule.cryptoModule.encryptionAlgorithm.uri)) {
           response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
           goto securityRejected;
       }

#ifdef UA_ENABLE_ENCRYPTION
       /* Encrypted password? */
       if(!UA_String_equal(&securityPolicy->policyUri, &UA_SECURITY_POLICY_NONE_URI)) {
           /* Create a temporary channel context if a different SecurityPolicy is
            * used for the password from the SecureChannel */
           void *tempChannelContext = channel->channelContext;
           if(securityPolicy != channel->securityPolicy) {
               /* We use our own certificate to create a temporary channel
                * context. Because the client does not provide one in a #None
                * SecureChannel. We should not need a ChannelContext at all for
                * asymmetric decryption where the remote certificate is not
                * used. */
               UA_UNLOCK(&server->serviceMutex);
               response->responseHeader.serviceResult = securityPolicy->channelModule.
                   newContext(securityPolicy, &securityPolicy->localCertificate,
                              &tempChannelContext);
               UA_LOCK(&server->serviceMutex);
               if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
                   UA_LOG_WARNING_SESSION(&server->config.logger, session, "ActivateSession: "
                                          "Failed to create a context for the SecurityPolicy %.*s",
                                          (int)securityPolicy->policyUri.length,
                                          securityPolicy->policyUri.data);
                   goto securityRejected;
               }
           }

           /* Decrypt */
           response->responseHeader.serviceResult =
               decryptPassword(securityPolicy, tempChannelContext, &session->serverNonce, userToken);

           /* Remove the temporary channel context */
           if(securityPolicy != channel->securityPolicy) {
               UA_UNLOCK(&server->serviceMutex);
               securityPolicy->channelModule.deleteContext(tempChannelContext);
               UA_LOCK(&server->serviceMutex);
           }
       } else if(userToken->encryptionAlgorithm.length != 0) {
           /* If SecurityPolicy is None there shall be no EncryptionAlgorithm  */
           response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
           goto securityRejected;
       }

       if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
           UA_LOG_WARNING_SESSION(&server->config.logger, session, "ActivateSession: "
                                  "Failed to decrypt the password with the StatusCode %s",
                                  UA_StatusCode_name(response->responseHeader.serviceResult));
           goto securityRejected;
       }
#endif
    }

#ifdef UA_ENABLE_ENCRYPTION
    /* If it is a X509IdentityToken, check the userTokenSignature. Note this
     * only validates that the user has the corresponding private key for the
     * given user cetificate. Checking whether the user certificate is trusted
     * has to be implemented in the access control plugin. The entire token is
     * forwarded in the call to ActivateSession. */
    if(utp->tokenType == UA_USERTOKENTYPE_CERTIFICATE) {
        UA_X509IdentityToken* userCertToken = (UA_X509IdentityToken*)
            request->userIdentityToken.content.decoded.data;

        /* If the userTokenPolicy doesn't specify a security policy the security
         * policy of the secure channel is used. */
        UA_SecurityPolicy* securityPolicy;
        if(!utp->securityPolicyUri.data)
            securityPolicy = getSecurityPolicyByUri(server, &ed->securityPolicyUri);
        else
            securityPolicy = getSecurityPolicyByUri(server, &utp->securityPolicyUri);
        if(!securityPolicy) {
            response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
            goto securityRejected;
        }

        /* We need a channel context with the user certificate in order to reuse
         * the signature checking code. */
        void *tempChannelContext;
        UA_UNLOCK(&server->serviceMutex);
        response->responseHeader.serviceResult = securityPolicy->channelModule.
            newContext(securityPolicy, &userCertToken->certificateData, &tempChannelContext);
        UA_LOCK(&server->serviceMutex);
        if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING_SESSION(&server->config.logger, session, "ActivateSession: "
                                   "Failed to create a context for the SecurityPolicy %.*s",
                                   (int)securityPolicy->policyUri.length,
                                   securityPolicy->policyUri.data);
            goto securityRejected;
        }

        /* Check the user token signature */
        response->responseHeader.serviceResult =
            checkSignature(server, channel->securityPolicy, tempChannelContext,
                           &session->serverNonce, &request->userTokenSignature);

        /* Delete the temporary channel context */
        UA_UNLOCK(&server->serviceMutex);
        securityPolicy->channelModule.deleteContext(tempChannelContext);
        UA_LOCK(&server->serviceMutex);
        if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING_SESSION(&server->config.logger, session,
                "ActivateSession: User token signature check failed with StatusCode %s",
                UA_StatusCode_name(response->responseHeader.serviceResult));
            goto securityRejected;
        }
    }
#endif

    /* Callback into userland access control */
    UA_UNLOCK(&server->serviceMutex);
    response->responseHeader.serviceResult = server->config.accessControl.
        activateSession(server, &server->config.accessControl, ed, &channel->remoteCertificate,
                        &session->sessionId, &request->userIdentityToken, &session->sessionHandle);
    UA_LOCK(&server->serviceMutex);
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_SESSION(&server->config.logger, session, "ActivateSession: The AccessControl "
                               "plugin denied the activation with the StatusCode %s",
                               UA_StatusCode_name(response->responseHeader.serviceResult));
        goto securityRejected;
    }

    /* Attach the session to the currently used channel if the session isn't
     * attached to a channel or if the session is activated on a different
     * channel than it is attached to. */
    if(!session->header.channel || session->header.channel != channel) {
        /* Attach the new SecureChannel, the old channel will be detached if present */
        UA_Session_attachToSecureChannel(session, channel);
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "ActivateSession: Session attached to new channel");
    }

    /* Generate a new session nonce for the next time ActivateSession is called */
    response->responseHeader.serviceResult = UA_Session_generateNonce(session);
    response->responseHeader.serviceResult |=
        UA_ByteString_copy(&session->serverNonce, &response->serverNonce);
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_Session_detachFromSecureChannel(session);
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "ActivateSession: Could not generate the server nonce");
        goto rejected;
    }

    /* Set the locale */
    response->responseHeader.serviceResult |=
        UA_Array_copy(request->localeIds, request->localeIdsSize,
                      (void**)&tmpLocaleIds, &UA_TYPES[UA_TYPES_STRING]);
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_Session_detachFromSecureChannel(session);
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "ActivateSession: Could not store the Session LocaleIds");
        goto rejected;
    }
    UA_Array_delete(session->localeIds, session->localeIdsSize,
                    &UA_TYPES[UA_TYPES_STRING]);
    session->localeIds = tmpLocaleIds;
    session->localeIdsSize = request->localeIdsSize;

    UA_Session_updateLifetime(session);

    /* Activate the session */
    if(!session->activated) {
        session->activated = true;
        server->activeSessionCount++;
        server->serverDiagnosticsSummary.cumulatedSessionCount++;
    }

#ifdef UA_ENABLE_DIAGNOSTICS
    saveClientUserId(&request->userIdentityToken,
                     &session->securityDiagnostics);
    UA_String_clear(&session->securityDiagnostics.authenticationMechanism);
    switch(utp->tokenType) {
    case UA_USERTOKENTYPE_ANONYMOUS:
        session->securityDiagnostics.authenticationMechanism = UA_STRING_ALLOC("Anonymous");
        break;
    case UA_USERTOKENTYPE_USERNAME:
        session->securityDiagnostics.authenticationMechanism = UA_STRING_ALLOC("UserName");
        break;
    case UA_USERTOKENTYPE_CERTIFICATE:
        session->securityDiagnostics.authenticationMechanism = UA_STRING_ALLOC("Certificate");
        break;
    case UA_USERTOKENTYPE_ISSUEDTOKEN:
        session->securityDiagnostics.authenticationMechanism = UA_STRING_ALLOC("IssuedToken");
        break;
    default: break;
    }
#endif

    UA_LOG_INFO_SESSION(&server->config.logger, session, "ActivateSession: Session activated");
    return;

securityRejected:
    server->serverDiagnosticsSummary.securityRejectedSessionCount++;
rejected:
    server->serverDiagnosticsSummary.rejectedSessionCount++;
}

void
Service_CloseSession(UA_Server *server, UA_SecureChannel *channel,
                     const UA_CloseSessionRequest *request,
                     UA_CloseSessionResponse *response) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Part 4, 5.6.4: When the CloseSession Service is called before the Session
     * is successfully activated, the Server shall reject the request if the
     * SecureChannel is not the same as the one associated with the
     * CreateSession request.
     *
     * A non-activated Session is already bound to the SecureChannel that
     * created the Session. */
    UA_Session *session = NULL;
    response->responseHeader.serviceResult =
        getBoundSession(server, channel, &request->requestHeader.authenticationToken, &session);
    if(!session && response->responseHeader.serviceResult == UA_STATUSCODE_GOOD)
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSESSIONIDINVALID;
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_CHANNEL(&server->config.logger, channel,
                               "CloseSession: No Session activated to the SecureChannel");
        return;
    }

    UA_assert(session); /* Assured by the previous section */
    UA_LOG_INFO_SESSION(&server->config.logger, session, "Closing the Session");

#ifdef UA_ENABLE_SUBSCRIPTIONS
    /* If Subscriptions are not deleted, detach them from the Session */
    if(!request->deleteSubscriptions) {
        UA_Subscription *sub, *sub_tmp;
        TAILQ_FOREACH_SAFE(sub, &session->subscriptions, sessionListEntry, sub_tmp) {
            UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, sub,
                                     "Detaching the Subscription from the Session");
            UA_Session_detachSubscription(server, session, sub, true);
        }
    }
#endif

    /* Remove the sesison */
    response->responseHeader.serviceResult =
        UA_Server_removeSessionByToken(server, &session->header.authenticationToken,
                                       UA_DIAGNOSTICEVENT_CLOSE);
}

/**** amalgamated original file "/src/server/ua_services_attribute.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2014-2017 (c) Florian Palm
 *    Copyright 2015 (c) Christian Fimmers
 *    Copyright 2015-2016 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2015 (c) wuyangtang
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2016 (c) Lorenz Haas
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017 (c) Thomas Bender
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2017-2020 (c) HMS Industrial Networks AB (Author: Jonas Green)
 *    Copyright 2017 (c) Henrik Norrman
 *    Copyright 2020 (c) Christian von Arnim, ISW University of Stuttgart  (for VDW and umati)
 */


#ifdef UA_ENABLE_HISTORIZING
#endif

/******************/
/* Access Control */
/******************/

/* Session for read operations can be NULL. For example for a MonitoredItem
 * where the underlying Subscription was detached during CloseSession. */

static UA_UInt32
getUserWriteMask(UA_Server *server, const UA_Session *session,
                 const UA_NodeHead *head) {
    if(session == &server->adminSession)
        return 0xFFFFFFFF; /* the local admin user has all rights */
    UA_UInt32 mask = head->writeMask;
    UA_UNLOCK(&server->serviceMutex);
    mask &= server->config.accessControl.
        getUserRightsMask(server, &server->config.accessControl,
                          session ? &session->sessionId : NULL,
                          session ? session->sessionHandle : NULL,
                          &head->nodeId, head->context);
    UA_LOCK(&server->serviceMutex);
    return mask;
}

static UA_Byte
getAccessLevel(UA_Server *server, const UA_Session *session,
               const UA_VariableNode *node) {
    if(session == &server->adminSession)
        return 0xFF; /* the local admin user has all rights */
    return node->accessLevel;
}

static UA_Byte
getUserAccessLevel(UA_Server *server, const UA_Session *session,
                   const UA_VariableNode *node) {
    if(session == &server->adminSession)
        return 0xFF; /* the local admin user has all rights */
    UA_Byte retval = node->accessLevel;
    UA_UNLOCK(&server->serviceMutex);
    retval &= server->config.accessControl.
        getUserAccessLevel(server, &server->config.accessControl,
                           session ? &session->sessionId : NULL,
                           session ? session->sessionHandle : NULL,
                           &node->head.nodeId, node->head.context);
    UA_LOCK(&server->serviceMutex);
    return retval;
}

static UA_Boolean
getUserExecutable(UA_Server *server, const UA_Session *session,
                  const UA_MethodNode *node) {
    if(session == &server->adminSession)
        return true; /* the local admin user has all rights */
    UA_UNLOCK(&server->serviceMutex);
    UA_Boolean userExecutable = node->executable;
    userExecutable &=
        server->config.accessControl.
        getUserExecutable(server, &server->config.accessControl,
                          session ? &session->sessionId : NULL,
                          session ? session->sessionHandle : NULL,
                          &node->head.nodeId, node->head.context);
    UA_LOCK(&server->serviceMutex);
    return userExecutable;
}

/****************/
/* Read Service */
/****************/

static UA_StatusCode
readIsAbstractAttribute(const UA_Node *node, UA_Variant *v) {
    const UA_Boolean *isAbstract;
    switch(node->head.nodeClass) {
    case UA_NODECLASS_REFERENCETYPE:
        isAbstract = &node->referenceTypeNode.isAbstract;
        break;
    case UA_NODECLASS_OBJECTTYPE:
        isAbstract = &node->objectTypeNode.isAbstract;
        break;
    case UA_NODECLASS_VARIABLETYPE:
        isAbstract = &node->variableTypeNode.isAbstract;
        break;
    case UA_NODECLASS_DATATYPE:
        isAbstract = &node->dataTypeNode.isAbstract;
        break;
    default:
        return UA_STATUSCODE_BADATTRIBUTEIDINVALID;
    }

    return UA_Variant_setScalarCopy(v, isAbstract, &UA_TYPES[UA_TYPES_BOOLEAN]);
}

static UA_StatusCode
readValueAttributeFromNode(UA_Server *server, UA_Session *session,
                           const UA_VariableNode *vn, UA_DataValue *v,
                           UA_NumericRange *rangeptr) {
    /* Update the value by the user callback */
    if(vn->value.data.callback.onRead) {
        UA_UNLOCK(&server->serviceMutex);
        vn->value.data.callback.onRead(server,
                                       session ? &session->sessionId : NULL,
                                       session ? session->sessionHandle : NULL,
                                       &vn->head.nodeId, vn->head.context, rangeptr,
                                       &vn->value.data.value);
        UA_LOCK(&server->serviceMutex);
        vn = (const UA_VariableNode*)UA_NODESTORE_GET(server, &vn->head.nodeId);
        if(!vn)
            return UA_STATUSCODE_BADNODEIDUNKNOWN;
    }

    /* Set the result */
    if(rangeptr)
        return UA_Variant_copyRange(&vn->value.data.value.value, &v->value, *rangeptr);
    UA_StatusCode retval = UA_DataValue_copy(&vn->value.data.value, v);

    /* Clean up */
    if(vn->value.data.callback.onRead)
        UA_NODESTORE_RELEASE(server, (const UA_Node *)vn);
    return retval;
}

static UA_StatusCode
readValueAttributeFromDataSource(UA_Server *server, UA_Session *session,
                                 const UA_VariableNode *vn, UA_DataValue *v,
                                 UA_TimestampsToReturn timestamps,
                                 UA_NumericRange *rangeptr) {
    if(!vn->value.dataSource.read)
        return UA_STATUSCODE_BADINTERNALERROR;
    UA_Boolean sourceTimeStamp = (timestamps == UA_TIMESTAMPSTORETURN_SOURCE ||
                                  timestamps == UA_TIMESTAMPSTORETURN_BOTH);
    UA_DataValue v2;
    UA_DataValue_init(&v2);
    UA_UNLOCK(&server->serviceMutex);
    UA_StatusCode retval = vn->value.dataSource.
        read(server,
             session ? &session->sessionId : NULL,
             session ? session->sessionHandle : NULL,
             &vn->head.nodeId, vn->head.context,
             sourceTimeStamp, rangeptr, &v2);
    UA_LOCK(&server->serviceMutex);
    if(v2.hasValue && v2.value.storageType == UA_VARIANT_DATA_NODELETE) {
        retval = UA_DataValue_copy(&v2, v);
        UA_DataValue_clear(&v2);
    } else {
        *v = v2;
    }
    return retval;
}

static UA_StatusCode
readValueAttributeComplete(UA_Server *server, UA_Session *session,
                           const UA_VariableNode *vn, UA_TimestampsToReturn timestamps,
                           const UA_String *indexRange, UA_DataValue *v) {
    /* Compute the index range */
    UA_NumericRange range;
    UA_NumericRange *rangeptr = NULL;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(indexRange && indexRange->length > 0) {
        retval = UA_NumericRange_parse(&range, *indexRange);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
        rangeptr = &range;
    }

    switch(vn->valueBackend.backendType) {
        case UA_VALUEBACKENDTYPE_INTERNAL:
            retval = readValueAttributeFromNode(server, session, vn, v, rangeptr);
            //TODO change old structure to value backend
            break;
        case UA_VALUEBACKENDTYPE_DATA_SOURCE_CALLBACK:
            retval = readValueAttributeFromDataSource(server, session, vn, v,
                                                      timestamps, rangeptr);
            //TODO change old structure to value backend
            break;
        case UA_VALUEBACKENDTYPE_EXTERNAL:
            if(vn->valueBackend.backend.external.callback.notificationRead){
                retval = vn->valueBackend.backend.external.callback.
                    notificationRead(server,
                                     session ? &session->sessionId : NULL,
                                     session ? session->sessionHandle : NULL,
                                     &vn->head.nodeId, vn->head.context, rangeptr);
            } else {
                retval = UA_STATUSCODE_BADNOTREADABLE;
            }
            if(retval != UA_STATUSCODE_GOOD){
                break;
            }
            /* Set the result */
            if(rangeptr)
                retval = UA_DataValue_copyVariantRange(
                    *vn->valueBackend.backend.external.value, v, *rangeptr);
            else
                retval = UA_DataValue_copy(*vn->valueBackend.backend.external.value, v);
            break;
        case UA_VALUEBACKENDTYPE_NONE:
            /* Read the value */
            if(vn->valueSource == UA_VALUESOURCE_DATA)
                retval = readValueAttributeFromNode(server, session, vn, v, rangeptr);
            else
                retval = readValueAttributeFromDataSource(server, session, vn, v,
                                                          timestamps, rangeptr);
            /* end lagacy */
            break;
    }

    /* Static Variables and VariableTypes have timestamps of "now". Will be set
     * below in the absence of predefined timestamps. */
    if(vn->head.nodeClass == UA_NODECLASS_VARIABLE) {
        if(!vn->isDynamic) {
            v->hasServerTimestamp = false;
            v->hasSourceTimestamp = false;
        }
    } else {
        v->hasServerTimestamp = false;
        v->hasSourceTimestamp = false;
    }

    /* Clean up */
    if(rangeptr)
        UA_free(range.dimensions);
    return retval;
}

UA_StatusCode
readValueAttribute(UA_Server *server, UA_Session *session,
                   const UA_VariableNode *vn, UA_DataValue *v) {
    return readValueAttributeComplete(server, session, vn,
                                      UA_TIMESTAMPSTORETURN_NEITHER, NULL, v);
}

static const UA_String binEncoding = {sizeof("Default Binary")-1, (UA_Byte*)"Default Binary"};
static const UA_String xmlEncoding = {sizeof("Default XML")-1, (UA_Byte*)"Default XML"};
static const UA_String jsonEncoding = {sizeof("Default JSON")-1, (UA_Byte*)"Default JSON"};

#define CHECK_NODECLASS(CLASS)                                  \
    if(!(node->head.nodeClass & (CLASS))) {                     \
        retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;           \
        break;                                                  \
    }

#ifdef UA_ENABLE_TYPEDESCRIPTION
static const UA_DataType *
findDataType(const UA_Node *node, const UA_DataTypeArray *customTypes) {
    for(size_t i = 0; i < UA_TYPES_COUNT; ++i) {
        if(UA_NodeId_equal(&UA_TYPES[i].typeId, &node->head.nodeId)) {
            return &UA_TYPES[i];
        }
    }

    // lookup custom type
    while(customTypes) {
        for(size_t i = 0; i < customTypes->typesSize; ++i) {
            if(UA_NodeId_equal(&customTypes->types[i].typeId, &node->head.nodeId))
                return &customTypes->types[i];
        }
        customTypes = customTypes->next;
    }
    return NULL;
}

static UA_StatusCode
getStructureDefinition(const UA_DataType *type, UA_StructureDefinition *def) {
    UA_StatusCode retval =
        UA_NodeId_copy(&type->binaryEncodingId, &def->defaultEncodingId);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    switch(type->typeKind) {
        case UA_DATATYPEKIND_STRUCTURE:
            def->structureType = UA_STRUCTURETYPE_STRUCTURE;
            def->baseDataType = UA_NODEID_NUMERIC(0, UA_NS0ID_STRUCTURE);
            break;
        case UA_DATATYPEKIND_OPTSTRUCT:
            def->structureType = UA_STRUCTURETYPE_STRUCTUREWITHOPTIONALFIELDS;
            def->baseDataType = UA_NODEID_NUMERIC(0, UA_NS0ID_STRUCTURE);
            break;
        case UA_DATATYPEKIND_UNION:
            def->structureType = UA_STRUCTURETYPE_UNION;
            def->baseDataType = UA_NODEID_NUMERIC(0, UA_NS0ID_UNION);
            break;
        default:
            return UA_STATUSCODE_BADENCODINGERROR;
    }
    def->fieldsSize = type->membersSize;
    def->fields = (UA_StructureField *)
        UA_calloc(def->fieldsSize, sizeof(UA_StructureField));
    if(!def->fields) {
        UA_NodeId_clear(&def->defaultEncodingId);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    for(size_t cnt = 0; cnt < def->fieldsSize; cnt++) {
        const UA_DataTypeMember *m = &type->members[cnt];
        def->fields[cnt].valueRank = UA_TRUE == m->isArray ? 1 : -1;
        def->fields[cnt].arrayDimensions = NULL;
        def->fields[cnt].arrayDimensionsSize = 0;
        def->fields[cnt].name = UA_STRING((char *)(uintptr_t)m->memberName);
        def->fields[cnt].description.locale = UA_STRING_NULL;
        def->fields[cnt].description.text = UA_STRING_NULL;
        def->fields[cnt].dataType = m->memberType->typeId;
        def->fields[cnt].maxStringLength = 0;
        def->fields[cnt].isOptional = m->isOptional;
    }
    return UA_STATUSCODE_GOOD;
}
#endif

/* Returns a datavalue that may point into the node via the
 * UA_VARIANT_DATA_NODELETE tag. Don't access the returned DataValue once the
 * node has been released! */
void
ReadWithNode(const UA_Node *node, UA_Server *server, UA_Session *session,
             UA_TimestampsToReturn timestampsToReturn,
             const UA_ReadValueId *id, UA_DataValue *v) {
    UA_LOG_NODEID_DEBUG(&node->head.nodeId,
                        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                                             "Read attribute %"PRIi32 " of Node %.*s",
                                             id->attributeId, (int)nodeIdStr.length,
                                             nodeIdStr.data));

    /* Only Binary Encoding is supported */
    if(id->dataEncoding.name.length > 0 &&
       !UA_String_equal(&binEncoding, &id->dataEncoding.name)) {
        if(UA_String_equal(&xmlEncoding, &id->dataEncoding.name) ||
           UA_String_equal(&jsonEncoding, &id->dataEncoding.name))
           v->status = UA_STATUSCODE_BADDATAENCODINGUNSUPPORTED;
        else
           v->status = UA_STATUSCODE_BADDATAENCODINGINVALID;
        v->hasStatus = true;
        return;
    }

    /* Index range for an attribute other than value */
    if(id->indexRange.length > 0 && id->attributeId != UA_ATTRIBUTEID_VALUE) {
        v->hasStatus = true;
        v->status = UA_STATUSCODE_BADINDEXRANGENODATA;
        return;
    }

    /* Read the attribute */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    switch(id->attributeId) {
    case UA_ATTRIBUTEID_NODEID:
        retval = UA_Variant_setScalarCopy(&v->value, &node->head.nodeId,
                                          &UA_TYPES[UA_TYPES_NODEID]);
        break;
    case UA_ATTRIBUTEID_NODECLASS:
        retval = UA_Variant_setScalarCopy(&v->value, &node->head.nodeClass,
                                          &UA_TYPES[UA_TYPES_NODECLASS]);
        break;
    case UA_ATTRIBUTEID_BROWSENAME:
        retval = UA_Variant_setScalarCopy(&v->value, &node->head.browseName,
                                          &UA_TYPES[UA_TYPES_QUALIFIEDNAME]);
        break;
    case UA_ATTRIBUTEID_DISPLAYNAME:
        retval = UA_Variant_setScalarCopy(&v->value, &node->head.displayName,
                                          &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
        break;
    case UA_ATTRIBUTEID_DESCRIPTION:
        retval = UA_Variant_setScalarCopy(&v->value, &node->head.description,
                                          &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
        break;
    case UA_ATTRIBUTEID_WRITEMASK:
        retval = UA_Variant_setScalarCopy(&v->value, &node->head.writeMask,
                                          &UA_TYPES[UA_TYPES_UINT32]);
        break;
    case UA_ATTRIBUTEID_USERWRITEMASK: {
        UA_UInt32 userWriteMask = getUserWriteMask(server, session, &node->head);
        retval = UA_Variant_setScalarCopy(&v->value, &userWriteMask,
                                          &UA_TYPES[UA_TYPES_UINT32]);
        break; }
    case UA_ATTRIBUTEID_ISABSTRACT:
        retval = readIsAbstractAttribute(node, &v->value);
        break;
    case UA_ATTRIBUTEID_SYMMETRIC:
        CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
        retval = UA_Variant_setScalarCopy(&v->value, &node->referenceTypeNode.symmetric,
                                          &UA_TYPES[UA_TYPES_BOOLEAN]);
        break;
    case UA_ATTRIBUTEID_INVERSENAME:
        CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
        retval = UA_Variant_setScalarCopy(&v->value, &node->referenceTypeNode.inverseName,
                                          &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
        break;
    case UA_ATTRIBUTEID_CONTAINSNOLOOPS:
        CHECK_NODECLASS(UA_NODECLASS_VIEW);
        retval = UA_Variant_setScalarCopy(&v->value, &node->viewNode.containsNoLoops,
                                          &UA_TYPES[UA_TYPES_BOOLEAN]);
        break;
    case UA_ATTRIBUTEID_EVENTNOTIFIER:
        CHECK_NODECLASS(UA_NODECLASS_VIEW | UA_NODECLASS_OBJECT);
        if(node->head.nodeClass == UA_NODECLASS_VIEW) {
            retval = UA_Variant_setScalarCopy(&v->value, &node->viewNode.eventNotifier,
                                              &UA_TYPES[UA_TYPES_BYTE]);
        } else {
            retval = UA_Variant_setScalarCopy(&v->value, &node->objectNode.eventNotifier,
                                              &UA_TYPES[UA_TYPES_BYTE]);
        }
        break;
    case UA_ATTRIBUTEID_VALUE: {
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        /* VariableTypes don't have the AccessLevel concept. Always allow
         * reading the value. */
        if(node->head.nodeClass == UA_NODECLASS_VARIABLE) {
            /* The access to a value variable is granted via the AccessLevel
             * and UserAccessLevel attributes */
            UA_Byte accessLevel = getAccessLevel(server, session, &node->variableNode);
            if(!(accessLevel & (UA_ACCESSLEVELMASK_READ))) {
                retval = UA_STATUSCODE_BADNOTREADABLE;
                break;
            }
            accessLevel = getUserAccessLevel(server, session, &node->variableNode);
            if(!(accessLevel & (UA_ACCESSLEVELMASK_READ))) {
                retval = UA_STATUSCODE_BADUSERACCESSDENIED;
                break;
            }
        }
        retval = readValueAttributeComplete(server, session, &node->variableNode,
                                            timestampsToReturn, &id->indexRange, v);
        break;
    }
    case UA_ATTRIBUTEID_DATATYPE:
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        retval = UA_Variant_setScalarCopy(&v->value, &node->variableTypeNode.dataType,
                                          &UA_TYPES[UA_TYPES_NODEID]);
        break;
    case UA_ATTRIBUTEID_VALUERANK:
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        retval = UA_Variant_setScalarCopy(&v->value, &node->variableTypeNode.valueRank,
                                          &UA_TYPES[UA_TYPES_INT32]);
        break;
    case UA_ATTRIBUTEID_ARRAYDIMENSIONS:
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        retval = UA_Variant_setArrayCopy(&v->value, node->variableTypeNode.arrayDimensions,
                                         node->variableTypeNode.arrayDimensionsSize,
                                         &UA_TYPES[UA_TYPES_UINT32]);
        break;
    case UA_ATTRIBUTEID_ACCESSLEVEL:
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
        retval = UA_Variant_setScalarCopy(&v->value, &node->variableNode.accessLevel,
                                          &UA_TYPES[UA_TYPES_BYTE]);
        break;
    case UA_ATTRIBUTEID_USERACCESSLEVEL: {
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
        UA_Byte userAccessLevel = getUserAccessLevel(server, session, &node->variableNode);
        retval = UA_Variant_setScalarCopy(&v->value, &userAccessLevel,
                                          &UA_TYPES[UA_TYPES_BYTE]);
        break; }
    case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL:
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
        retval = UA_Variant_setScalarCopy(&v->value,
                                          &node->variableNode.minimumSamplingInterval,
                                          &UA_TYPES[UA_TYPES_DOUBLE]);
        break;
    case UA_ATTRIBUTEID_HISTORIZING:
        CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
        retval = UA_Variant_setScalarCopy(&v->value, &node->variableNode.historizing,
                                          &UA_TYPES[UA_TYPES_BOOLEAN]);
        break;
    case UA_ATTRIBUTEID_EXECUTABLE:
        CHECK_NODECLASS(UA_NODECLASS_METHOD);
        retval = UA_Variant_setScalarCopy(&v->value, &node->methodNode.executable,
                          &UA_TYPES[UA_TYPES_BOOLEAN]);
        break;
    case UA_ATTRIBUTEID_USEREXECUTABLE: {
        CHECK_NODECLASS(UA_NODECLASS_METHOD);
        UA_Boolean userExecutable =
            getUserExecutable(server, session, &node->methodNode);
        retval = UA_Variant_setScalarCopy(&v->value, &userExecutable,
                                          &UA_TYPES[UA_TYPES_BOOLEAN]);
        break; }
    case UA_ATTRIBUTEID_DATATYPEDEFINITION: {
        CHECK_NODECLASS(UA_NODECLASS_DATATYPE);

#ifdef UA_ENABLE_TYPEDESCRIPTION
        const UA_DataType *type =
            findDataType(node, server->config.customDataTypes);
        if(!type) {
            retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
            break;
        }

        if(UA_DATATYPEKIND_STRUCTURE == type->typeKind ||
           UA_DATATYPEKIND_OPTSTRUCT == type->typeKind ||
           UA_DATATYPEKIND_UNION == type->typeKind) {
            UA_StructureDefinition def;
            retval = getStructureDefinition(type, &def);
            if(UA_STATUSCODE_GOOD!=retval)
                break;            
            retval = UA_Variant_setScalarCopy(&v->value, &def,
                                              &UA_TYPES[UA_TYPES_STRUCTUREDEFINITION]);
            UA_free(def.fields);
            break;
        }
#endif
        retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
        break; }
    default:
        retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
    }

    if(retval != UA_STATUSCODE_GOOD) {
        /* Reading has failed but can not return because we may need to add timestamp */
        v->hasStatus = true;
        v->status = retval;
    } else {
        v->hasValue = true;
    }

    /* Create server timestamp */
    if(timestampsToReturn == UA_TIMESTAMPSTORETURN_SERVER ||
       timestampsToReturn == UA_TIMESTAMPSTORETURN_BOTH) {
        if(!v->hasServerTimestamp) {
            v->serverTimestamp = UA_DateTime_now();
            v->hasServerTimestamp = true;
        }
    } else {
        /* In case the ServerTimestamp has been set manually */
        v->hasServerTimestamp = false;
    }

    /* Handle source time stamp */
    if(id->attributeId == UA_ATTRIBUTEID_VALUE) {
        if(timestampsToReturn == UA_TIMESTAMPSTORETURN_SERVER ||
           timestampsToReturn == UA_TIMESTAMPSTORETURN_NEITHER) {
            v->hasSourceTimestamp = false;
            v->hasSourcePicoseconds = false;
        } else if(!v->hasSourceTimestamp) {
            v->sourceTimestamp = UA_DateTime_now();
            v->hasSourceTimestamp = true;
        }
    }
}

static void
Operation_Read(UA_Server *server, UA_Session *session, UA_ReadRequest *request,
               UA_ReadValueId *rvi, UA_DataValue *result) {
    /* Get the node */
    const UA_Node *node = UA_NODESTORE_GET(server, &rvi->nodeId);

    /* Perform the read operation */
    if(node) {
        ReadWithNode(node, server, session, request->timestampsToReturn, rvi, result);
        UA_NODESTORE_RELEASE(server, node);
    } else {
        result->hasStatus = true;
        result->status = UA_STATUSCODE_BADNODEIDUNKNOWN;
    }
}

void
Service_Read(UA_Server *server, UA_Session *session,
             const UA_ReadRequest *request, UA_ReadResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing ReadRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Check if the timestampstoreturn is valid */
    if(request->timestampsToReturn > UA_TIMESTAMPSTORETURN_NEITHER) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTIMESTAMPSTORETURNINVALID;
        return;
    }

    /* Check if maxAge is valid */
    if(request->maxAge < 0) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADMAXAGEINVALID;
        return;
    }

    /* Check if there are too many operations */
    if(server->config.maxNodesPerRead != 0 &&
       request->nodesToReadSize > server->config.maxNodesPerRead) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_Read,
                                           request, &request->nodesToReadSize,
                                           &UA_TYPES[UA_TYPES_READVALUEID],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_DATAVALUE]);
}

UA_DataValue
UA_Server_readWithSession(UA_Server *server, UA_Session *session,
                          const UA_ReadValueId *item,
                          UA_TimestampsToReturn timestampsToReturn) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_DataValue dv;
    UA_DataValue_init(&dv);

    /* Get the node */
    const UA_Node *node = UA_NODESTORE_GET(server, &item->nodeId);
    if(!node) {
        dv.hasStatus = true;
        dv.status = UA_STATUSCODE_BADNODEIDUNKNOWN;
        return dv;
    }

    /* Perform the read operation */
    ReadWithNode(node, server, session, timestampsToReturn, item, &dv);

    /* Release the node and return */
    UA_NODESTORE_RELEASE(server, node);
    return dv;
}

UA_DataValue
readAttribute(UA_Server *server, const UA_ReadValueId *item,
               UA_TimestampsToReturn timestamps) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    return UA_Server_readWithSession(server, &server->adminSession, item, timestamps);
}

UA_StatusCode
readWithReadValue(UA_Server *server, const UA_NodeId *nodeId,
                  const UA_AttributeId attributeId, void *v) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Call the read service */
    UA_ReadValueId item;
    UA_ReadValueId_init(&item);
    item.nodeId = *nodeId;
    item.attributeId = attributeId;
    UA_DataValue dv = readAttribute(server, &item, UA_TIMESTAMPSTORETURN_NEITHER);

    /* Check the return value */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(dv.hasStatus)
        retval = dv.status;
    else if(!dv.hasValue)
        retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_DataValue_clear(&dv);
        return retval;
    }

    if(attributeId == UA_ATTRIBUTEID_VALUE ||
       attributeId == UA_ATTRIBUTEID_ARRAYDIMENSIONS) {
        /* Return the entire variant */
        memcpy(v, &dv.value, sizeof(UA_Variant));
    } else {
        /* Return the variant content only */
        memcpy(v, dv.value.data, dv.value.type->memSize);
        UA_free(dv.value.data);
    }
    return retval;
}

/* Exposes the Read service to local users */
UA_DataValue
UA_Server_read(UA_Server *server, const UA_ReadValueId *item,
               UA_TimestampsToReturn timestamps) {
    UA_LOCK(&server->serviceMutex);
    UA_DataValue dv = readAttribute(server, item, timestamps);
    UA_UNLOCK(&server->serviceMutex);
    return dv;
}

/* Used in inline functions exposing the Read service with more syntactic sugar
 * for individual attributes */
UA_StatusCode
__UA_Server_read(UA_Server *server, const UA_NodeId *nodeId,
                 const UA_AttributeId attributeId, void *v) {
   UA_LOCK(&server->serviceMutex);
   UA_StatusCode retval = readWithReadValue(server, nodeId, attributeId, v);
   UA_UNLOCK(&server->serviceMutex);
   return retval;
}

UA_StatusCode
readObjectProperty(UA_Server *server, const UA_NodeId objectId,
                   const UA_QualifiedName propertyName,
                   UA_Variant *value) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Create a BrowsePath to get the target NodeId */
    UA_RelativePathElement rpe;
    UA_RelativePathElement_init(&rpe);
    rpe.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
    rpe.isInverse = false;
    rpe.includeSubtypes = false;
    rpe.targetName = propertyName;

    UA_BrowsePath bp;
    UA_BrowsePath_init(&bp);
    bp.startingNode = objectId;
    bp.relativePath.elementsSize = 1;
    bp.relativePath.elements = &rpe;

    UA_StatusCode retval;
    UA_BrowsePathResult bpr = translateBrowsePathToNodeIds(server, &bp);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        retval = bpr.statusCode;
        UA_BrowsePathResult_clear(&bpr);
        return retval;
    }

    /* Use the first result from the BrowsePath */
    retval = readWithReadValue(server, &bpr.targets[0].targetId.nodeId,
                               UA_ATTRIBUTEID_VALUE, value);

    UA_BrowsePathResult_clear(&bpr);
    return retval;
}


UA_StatusCode
UA_Server_readObjectProperty(UA_Server *server, const UA_NodeId objectId,
                             const UA_QualifiedName propertyName,
                             UA_Variant *value) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = readObjectProperty(server, objectId, propertyName, value);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/*****************/
/* Type Checking */
/*****************/

static UA_DataTypeKind
typeEquivalence(const UA_DataType *t) {
    UA_DataTypeKind k = (UA_DataTypeKind)t->typeKind;
    if(k == UA_DATATYPEKIND_ENUM)
        return UA_DATATYPEKIND_INT32;
    return k;
}

static const UA_NodeId enumNodeId = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_ENUMERATION}};

UA_Boolean
compatibleValueDataType(UA_Server *server, const UA_DataType *dataType,
                        const UA_NodeId *constraintDataType) {
    if(compatibleDataTypes(server, &dataType->typeId, constraintDataType))
        return true;

    /* For actual values, the constraint DataType may be a subtype of the
     * DataType of the value. E.g. UtcTime is subtype of DateTime. But it still
     * is a DateTime value when transferred over the wire. */
    if(isNodeInTree_singleRef(server, constraintDataType, &dataType->typeId,
                              UA_REFERENCETYPEINDEX_HASSUBTYPE))
        return true;

    return false;
}

UA_Boolean
compatibleDataTypes(UA_Server *server, const UA_NodeId *dataType,
                    const UA_NodeId *constraintDataType) {
    /* Do not allow empty datatypes */
    if(UA_NodeId_isNull(dataType))
       return false;

    /* No constraint or Variant / BaseDataType which allows any content */
    if(UA_NodeId_isNull(constraintDataType) ||
       UA_NodeId_equal(constraintDataType, &UA_TYPES[UA_TYPES_VARIANT].typeId))
        return true;

    /* Same datatypes */
    if(UA_NodeId_equal(dataType, constraintDataType))
        return true;

    /* Is the DataType a subtype of the constraint type? */
    if(isNodeInTree_singleRef(server, dataType, constraintDataType,
                              UA_REFERENCETYPEINDEX_HASSUBTYPE))
        return true;

    /* The constraint is an enum -> allow writing Int32 */
    if(UA_NodeId_equal(dataType, &UA_TYPES[UA_TYPES_INT32].typeId) &&
       isNodeInTree_singleRef(server, constraintDataType, &enumNodeId,
                              UA_REFERENCETYPEINDEX_HASSUBTYPE))
        return true;

    return false;
}

/* Test whether a ValueRank and the given arraydimensions are compatible.
 *
 * 5.6.2 Variable NodeClass: If the maximum is unknown the value shall be 0. The
 * number of elements shall be equal to the value of the ValueRank Attribute.
 * This Attribute shall be null if ValueRank <= 0. */
UA_Boolean
compatibleValueRankArrayDimensions(UA_Server *server, UA_Session *session,
                                   UA_Int32 valueRank, size_t arrayDimensionsSize) {
    /* ValueRank invalid */
    if(valueRank < UA_VALUERANK_SCALAR_OR_ONE_DIMENSION) {
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "The ValueRank is invalid (< -3)");
        return false;
    }

    /* case -3, UA_VALUERANK_SCALAR_OR_ONE_DIMENSION: the value can be a scalar
     *   or a one dimensional array
     * case -2, UA_VALUERANK_ANY: the value can be a scalar or an array with any
     *   number of dimensions
     * case -1, UA_VALUERANK_SCALAR: the value is a scalar
     * case 0, UA_VALUERANK_ONE_OR_MORE_DIMENSIONS: the value is an array with
     *   one or more dimensions */
    if(valueRank <= UA_VALUERANK_ONE_OR_MORE_DIMENSIONS) {
        if(arrayDimensionsSize > 0) {
            UA_LOG_INFO_SESSION(&server->config.logger, session,
                                "No ArrayDimensions can be defined for a ValueRank <= 0");
            return false;
        }
        return true;
    }
    
    /* case >= 1, UA_VALUERANK_ONE_DIMENSION: the value is an array with the
       specified number of dimensions */
    if(arrayDimensionsSize != (size_t)valueRank) {
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "The number of ArrayDimensions is not equal to "
                            "the (positive) ValueRank");
        return false;
    }
    return true;
}

UA_Boolean
compatibleValueRanks(UA_Int32 valueRank, UA_Int32 constraintValueRank) {
    /* Check if the valuerank of the variabletype allows the change. */
    switch(constraintValueRank) {
    case UA_VALUERANK_SCALAR_OR_ONE_DIMENSION: /* the value can be a scalar or a
                                                  one dimensional array */
        if(valueRank != UA_VALUERANK_SCALAR && valueRank != UA_VALUERANK_ONE_DIMENSION)
            return false;
        break;
    case UA_VALUERANK_ANY: /* the value can be a scalar or an array with any
                              number of dimensions */
        break;
    case UA_VALUERANK_SCALAR: /* the value is a scalar */
        if(valueRank != UA_VALUERANK_SCALAR)
            return false;
        break;
    case UA_VALUERANK_ONE_OR_MORE_DIMENSIONS: /* the value is an array with one
                                                 or more dimensions */
        if(valueRank < (UA_Int32) UA_VALUERANK_ONE_OR_MORE_DIMENSIONS)
            return false;
        break;
    default: /* >= 1: the value is an array with the specified number of
                 dimensions */
        if(valueRank != constraintValueRank)
            return false;
        break;
    }
    return true;
}

/* Check if the ValueRank allows for the value dimension. This is more
 * permissive than checking for the ArrayDimensions attribute. Because the value
 * can have dimensions if the ValueRank < 0 */
static UA_Boolean
compatibleValueRankValue(UA_Int32 valueRank, const UA_Variant *value) {
    /* Invalid ValueRank */
    if(valueRank < UA_VALUERANK_SCALAR_OR_ONE_DIMENSION)
        return false;

    /* Empty arrays (-1) always match */
    if(!value->data)
        return true;

    size_t arrayDims = value->arrayDimensionsSize;
    if(arrayDims == 0 && !UA_Variant_isScalar(value))
        arrayDims = 1; /* array but no arraydimensions -> implicit array dimension 1 */

    /* We cannot simply use compatibleValueRankArrayDimensions since we can have
     * defined ArrayDimensions for the value if the ValueRank is -2 */
    switch(valueRank) {
    case UA_VALUERANK_SCALAR_OR_ONE_DIMENSION: /* The value can be a scalar or a
                                                  one dimensional array */
        return (arrayDims <= 1);
    case UA_VALUERANK_ANY: /* The value can be a scalar or an array with any
                              number of dimensions */
        return true;
    case UA_VALUERANK_SCALAR: /* The value is a scalar */
        return (arrayDims == 0);
    case UA_VALUERANK_ONE_OR_MORE_DIMENSIONS:
        return (arrayDims >= 1);
    default:
        break;
    }

    UA_assert(valueRank >= UA_VALUERANK_ONE_OR_MORE_DIMENSIONS);

    /* case 0:  the value is an array with one or more dimensions */
    return (arrayDims == (UA_UInt32)valueRank);
}

UA_Boolean
compatibleArrayDimensions(size_t constraintArrayDimensionsSize,
                          const UA_UInt32 *constraintArrayDimensions,
                          size_t testArrayDimensionsSize,
                          const UA_UInt32 *testArrayDimensions) {
    /* No array dimensions defined -> everything is permitted if the value rank fits */
    if(constraintArrayDimensionsSize == 0)
        return true;

    /* Dimension count must match */
    if(testArrayDimensionsSize != constraintArrayDimensionsSize)
        return false;

    /* Dimension lengths must not be larger than the constraint. Zero in the
     * constraint indicates a wildcard. */
    for(size_t i = 0; i < constraintArrayDimensionsSize; ++i) {
        if(constraintArrayDimensions[i] < testArrayDimensions[i] &&
           constraintArrayDimensions[i] != 0)
            return false;
    }
    return true;
}

UA_Boolean
compatibleValueArrayDimensions(const UA_Variant *value, size_t targetArrayDimensionsSize,
                               const UA_UInt32 *targetArrayDimensions) {
    size_t valueArrayDimensionsSize = value->arrayDimensionsSize;
    UA_UInt32 *valueArrayDimensions = value->arrayDimensions;
    UA_UInt32 tempArrayDimensions;
    if(!valueArrayDimensions && !UA_Variant_isScalar(value)) {
        valueArrayDimensionsSize = 1;
        tempArrayDimensions = (UA_UInt32)value->arrayLength;
        valueArrayDimensions = &tempArrayDimensions;
    }
    UA_assert(valueArrayDimensionsSize == 0 || valueArrayDimensions != NULL);
    return compatibleArrayDimensions(targetArrayDimensionsSize, targetArrayDimensions,
                                     valueArrayDimensionsSize, valueArrayDimensions);
}

const char *reason_EmptyType = "Empty value only allowed for BaseDataType";
const char *reason_ValueDataType = "DataType of the value is incompatible";
const char *reason_ValueArrayDimensions = "ArrayDimensions of the value are incompatible";
const char *reason_ValueValueRank = "ValueRank of the value is incompatible";

UA_Boolean
compatibleValue(UA_Server *server, UA_Session *session, const UA_NodeId *targetDataTypeId,
                UA_Int32 targetValueRank, size_t targetArrayDimensionsSize,
                const UA_UInt32 *targetArrayDimensions, const UA_Variant *value,
                const UA_NumericRange *range, const char **reason) {
    /* Empty value */
    if(!value->type) {
        /* Empty value is allowed for BaseDataType */
        if(UA_NodeId_equal(targetDataTypeId, &UA_TYPES[UA_TYPES_VARIANT].typeId) ||
           UA_NodeId_equal(targetDataTypeId, &UA_NODEID_NULL))
            return true;

        /* Ignore if that is configured */
        if(server->bootstrapNS0 ||
           server->config.allowEmptyVariables == UA_RULEHANDLING_ACCEPT)
            return true;

        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "Only Variables with data type BaseDataType "
                            "can contain an empty value");

        /* Ignore if that is configured */
        if(server->config.allowEmptyVariables == UA_RULEHANDLING_WARN)
            return true;

        /* Default handling is to abort */
        *reason = reason_EmptyType;
        return false;
    }

    /* Is the datatype compatible? */
    if(!compatibleValueDataType(server, value->type, targetDataTypeId)) {
        *reason = reason_ValueDataType;
        return false;
    }

    /* Array dimensions are checked later when writing the range */
    if(range)
        return true;

    /* See if the array dimensions match. */
    if(!compatibleValueArrayDimensions(value, targetArrayDimensionsSize,
                                       targetArrayDimensions)) {
        *reason = reason_ValueArrayDimensions;
        return false;
    }

    /* Check if the valuerank allows for the value dimension */
    if(!compatibleValueRankValue(targetValueRank, value)) {
        *reason = reason_ValueValueRank;
        return false;
    }

    return true;
}

/*****************/
/* Write Service */
/*****************/

void
adjustValueType(UA_Server *server, UA_Variant *value,
                const UA_NodeId *targetDataTypeId) {
    /* If the value is empty, there is nothing we can do here */
    if(!value->type)
        return;

    const UA_DataType *targetDataType = UA_findDataType(targetDataTypeId);
    if(!targetDataType)
        return;

    /* A string is written to a byte array. the valuerank and array dimensions
     * are checked later */
    if(targetDataType == &UA_TYPES[UA_TYPES_BYTE] &&
       value->type == &UA_TYPES[UA_TYPES_BYTESTRING] &&
       UA_Variant_isScalar(value)) {
        UA_ByteString *str = (UA_ByteString*)value->data;
        value->type = &UA_TYPES[UA_TYPES_BYTE];
        value->arrayLength = str->length;
        value->data = str->data;
        return;
    }

    /* An enum was sent as an int32, or an opaque type as a bytestring. This
     * is detected with the typeKind indicating the "true" datatype. */
    UA_DataTypeKind te1 = typeEquivalence(targetDataType);
    UA_DataTypeKind te2 = typeEquivalence(value->type);
    if(te1 == te2 && te1 <= UA_DATATYPEKIND_ENUM) {
        value->type = targetDataType;
        return;
    }

    /* No more possible equivalencies */
}

static UA_StatusCode
writeArrayDimensionsAttribute(UA_Server *server, UA_Session *session,
                              UA_VariableNode *node, const UA_VariableTypeNode *type,
                              size_t arrayDimensionsSize, UA_UInt32 *arrayDimensions) {
    UA_assert(node != NULL);
    UA_assert(type != NULL);

    /* If this is a variabletype, there must be no instances or subtypes of it
     * when we do the change */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLETYPE &&
       UA_Node_hasSubTypeOrInstances(&node->head)) {
        UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "Cannot change a variable type with existing instances");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Check that the array dimensions match with the valuerank */
    if(!compatibleValueRankArrayDimensions(server, session, node->valueRank,
                                           arrayDimensionsSize)) {
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Cannot write the ArrayDimensions. The ValueRank does not match.");
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* Check if the array dimensions match with the wildcards in the
     * variabletype (dimension length 0) */
    if(type->arrayDimensions &&
       !compatibleArrayDimensions(type->arrayDimensionsSize, type->arrayDimensions,
                                  arrayDimensionsSize, arrayDimensions)) {
       UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                    "Array dimensions in the variable type do not match");
       return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* Check if the current value is compatible with the array dimensions */
    UA_DataValue value;
    UA_DataValue_init(&value);
    UA_StatusCode retval = readValueAttribute(server, session, node, &value);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    if(value.hasValue) {
        if(!compatibleValueArrayDimensions(&value.value, arrayDimensionsSize,
                                           arrayDimensions))
            retval = UA_STATUSCODE_BADTYPEMISMATCH;
        UA_DataValue_clear(&value);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "Array dimensions in the current value do not match");
            return retval;
        }
    }

    /* Ok, apply */
    UA_UInt32 *oldArrayDimensions = node->arrayDimensions;
    size_t oldArrayDimensionsSize = node->arrayDimensionsSize;
    retval = UA_Array_copy(arrayDimensions, arrayDimensionsSize,
                           (void**)&node->arrayDimensions,
                           &UA_TYPES[UA_TYPES_UINT32]);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    UA_Array_delete(oldArrayDimensions, oldArrayDimensionsSize, &UA_TYPES[UA_TYPES_UINT32]);
    node->arrayDimensionsSize = arrayDimensionsSize;
    return UA_STATUSCODE_GOOD;
}

/* Stack layout: ... | node | type */
static UA_StatusCode
writeValueRankAttribute(UA_Server *server, UA_Session *session,
                        UA_VariableNode *node, const UA_VariableTypeNode *type,
                        UA_Int32 valueRank) {
    UA_assert(node != NULL);
    UA_assert(type != NULL);

    UA_Int32 constraintValueRank = type->valueRank;

    /* If this is a variabletype, there must be no instances or subtypes of it
     * when we do the change */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLETYPE &&
       UA_Node_hasSubTypeOrInstances(&node->head))
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Check if the valuerank of the variabletype allows the change. */
    if(!compatibleValueRanks(valueRank, constraintValueRank))
        return UA_STATUSCODE_BADTYPEMISMATCH;

    /* Check if the new valuerank is compatible with the array dimensions. Use
     * the read service to handle data sources. */
    size_t arrayDims = node->arrayDimensionsSize;
    if(arrayDims == 0) {
        /* the value could be an array with no arrayDimensions defined.
           dimensions zero indicate a scalar for compatibleValueRankArrayDimensions. */
        UA_DataValue value;
        UA_DataValue_init(&value);
        UA_StatusCode retval = readValueAttribute(server, session, node, &value);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
        if(!value.hasValue || !value.value.type) {
            /* no value -> apply */
            node->valueRank = valueRank;
            return UA_STATUSCODE_GOOD;
        }
        if(!UA_Variant_isScalar(&value.value))
            arrayDims = 1;
        UA_DataValue_clear(&value);
    }
    if(!compatibleValueRankArrayDimensions(server, session, valueRank, arrayDims))
        return UA_STATUSCODE_BADTYPEMISMATCH;

    /* All good, apply the change */
    node->valueRank = valueRank;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
writeDataTypeAttribute(UA_Server *server, UA_Session *session,
                       UA_VariableNode *node, const UA_VariableTypeNode *type,
                       const UA_NodeId *dataType) {
    UA_assert(node != NULL);
    UA_assert(type != NULL);

    /* If this is a variabletype, there must be no instances or subtypes of it
       when we do the change */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLETYPE &&
       UA_Node_hasSubTypeOrInstances(&node->head))
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Does the new type match the constraints of the variabletype? */
    if(!compatibleDataTypes(server, dataType, &type->dataType))
        return UA_STATUSCODE_BADTYPEMISMATCH;

    /* Check if the current value would match the new type */
    UA_DataValue value;
    UA_DataValue_init(&value);
    UA_StatusCode retval = readValueAttribute(server, session, node, &value);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    if(value.hasValue) {
        const char *reason; /* temp value */
        if(!compatibleValue(server, session, dataType, node->valueRank,
                            node->arrayDimensionsSize, node->arrayDimensions,
                            &value.value, NULL, &reason))
            retval = UA_STATUSCODE_BADTYPEMISMATCH;
        UA_DataValue_clear(&value);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "The current value does not match the new data type");
            return retval;
        }
    }

    /* Replace the datatype nodeid */
    UA_NodeId dtCopy = node->dataType;
    retval = UA_NodeId_copy(dataType, &node->dataType);
    if(retval != UA_STATUSCODE_GOOD) {
        node->dataType = dtCopy;
        return retval;
    }
    UA_NodeId_clear(&dtCopy);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
writeValueAttributeWithoutRange(UA_VariableNode *node, const UA_DataValue *value) {
    UA_DataValue new_value;
    UA_StatusCode retval = UA_DataValue_copy(value, &new_value);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    UA_DataValue_clear(&node->value.data.value);
    node->value.data.value = new_value;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
writeValueAttributeWithRange(UA_VariableNode *node, const UA_DataValue *value,
                             const UA_NumericRange *rangeptr) {
    /* Value on both sides? */
    if(value->status != node->value.data.value.status ||
       !value->hasValue || !node->value.data.value.hasValue)
        return UA_STATUSCODE_BADINDEXRANGEINVALID;

    /* Make scalar a one-entry array for range matching */
    UA_Variant editableValue;
    const UA_Variant *v = &value->value;
    if(UA_Variant_isScalar(&value->value)) {
        editableValue = value->value;
        editableValue.arrayLength = 1;
        v = &editableValue;
    }

    /* Check that the type is an exact match and not only "compatible" */
    if(!node->value.data.value.value.type || !v->type ||
       !UA_NodeId_equal(&node->value.data.value.value.type->typeId,
                        &v->type->typeId))
        return UA_STATUSCODE_BADTYPEMISMATCH;

    /* Write the value */
    UA_StatusCode retval =
        UA_Variant_setRangeCopy(&node->value.data.value.value,
                                v->data, v->arrayLength, *rangeptr);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Write the status and timestamps */
    node->value.data.value.hasStatus = value->hasStatus;
    node->value.data.value.status = value->status;
    node->value.data.value.hasSourceTimestamp = value->hasSourceTimestamp;
    node->value.data.value.sourceTimestamp = value->sourceTimestamp;
    node->value.data.value.hasSourcePicoseconds = value->hasSourcePicoseconds;
    node->value.data.value.sourcePicoseconds = value->sourcePicoseconds;
    return UA_STATUSCODE_GOOD;
}

/* Stack layout: ... | node */
static UA_StatusCode
writeNodeValueAttribute(UA_Server *server, UA_Session *session,
                        UA_VariableNode *node, const UA_DataValue *value,
                        const UA_String *indexRange) {
    UA_assert(node != NULL);
    UA_assert(session != NULL);

    /* Parse the range */
    UA_NumericRange range;
    range.dimensions = NULL;
    UA_NumericRange *rangeptr = NULL;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(indexRange && indexRange->length > 0) {
        retval = UA_NumericRange_parse(&range, *indexRange);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
        rangeptr = &range;
    }

    /* Created an editable version. The data is not touched. Only the variant
     * "container". */
    UA_DataValue adjustedValue = *value;

    /* Type checking. May change the type of editableValue */
    if(value->hasValue && value->value.type) {
        adjustValueType(server, &adjustedValue.value, &node->dataType);

        /* The value may be an extension object, especially the nodeset compiler
         * uses extension objects to write variable values. If value is an
         * extension object we check if the current node value is also an
         * extension object. */
        const UA_NodeId nodeDataType = UA_NODEID_NUMERIC(0, UA_NS0ID_STRUCTURE);
        const UA_NodeId *nodeDataTypePtr = &node->dataType;
        if(value->value.type->typeId.identifierType == UA_NODEIDTYPE_NUMERIC &&
           value->value.type->typeId.identifier.numeric == UA_NS0ID_STRUCTURE)
            nodeDataTypePtr = &nodeDataType;

        const char *reason;
        if(!compatibleValue(server, session, nodeDataTypePtr, node->valueRank,
                            node->arrayDimensionsSize, node->arrayDimensions,
                            &adjustedValue.value, rangeptr, &reason)) {
            UA_LOG_NODEID_WARNING(&node->head.nodeId,
            if(session == &server->adminSession) {
                /* If the value is written via the local API, log a warning */
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "Writing the value of Node %.*s failed with the "
                               "following reason: %s",
                               (int)nodeIdStr.length, nodeIdStr.data, reason);
            } else {
                /* Don't spam the logs if writing from remote failed */
                UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                                     "Writing the value of Node %.*s failed with the "
                                     "following reason: %s",
                                     (int)nodeIdStr.length, nodeIdStr.data, reason);
            });
            if(rangeptr && rangeptr->dimensions != NULL)
                UA_free(rangeptr->dimensions);
            return UA_STATUSCODE_BADTYPEMISMATCH;
        }
    }

    /* Set the source timestamp if there is none */
    UA_DateTime now = UA_DateTime_now();
    if(!adjustedValue.hasSourceTimestamp) {
        adjustedValue.sourceTimestamp = now;
        adjustedValue.hasSourceTimestamp = true;
    }

    /* Update the timestamp when the value was last updated in the server */
    adjustedValue.serverTimestamp = now;
    adjustedValue.hasServerTimestamp = true;

    switch(node->valueBackend.backendType) {
        case UA_VALUEBACKENDTYPE_NONE:
            /* Ok, do it */
            if(node->valueSource == UA_VALUESOURCE_DATA) {
                if(!rangeptr)
                    retval = writeValueAttributeWithoutRange(node, &adjustedValue);
                else
                    retval = writeValueAttributeWithRange(node, &adjustedValue, rangeptr);

#ifdef UA_ENABLE_HISTORIZING
                /* node is a UA_VariableNode*, but it may also point to a
                   UA_VariableTypeNode */
                /* UA_VariableTypeNode doesn't have the historizing attribute */
                if(retval == UA_STATUSCODE_GOOD &&
                   node->head.nodeClass == UA_NODECLASS_VARIABLE &&
                   server->config.historyDatabase.setValue) {
                    UA_UNLOCK(&server->serviceMutex);
                    server->config.historyDatabase.
                        setValue(server, server->config.historyDatabase.context,
                                 &session->sessionId, session->sessionHandle,
                                 &node->head.nodeId, node->historizing, &adjustedValue);
                    UA_LOCK(&server->serviceMutex);
                }
#endif
                /* Callback after writing */
                if(retval == UA_STATUSCODE_GOOD && node->value.data.callback.onWrite) {
                    UA_UNLOCK(&server->serviceMutex);
                    node->value.data.callback.
                        onWrite(server, &session->sessionId, session->sessionHandle,
                                &node->head.nodeId, node->head.context,
                                rangeptr, &adjustedValue);
                    UA_LOCK(&server->serviceMutex);

                }
            } else {
                if(node->value.dataSource.write) {
                    UA_UNLOCK(&server->serviceMutex);
                    retval = node->value.dataSource.
                        write(server, &session->sessionId, session->sessionHandle,
                              &node->head.nodeId, node->head.context,
                              rangeptr, &adjustedValue);
                    UA_LOCK(&server->serviceMutex);
                } else {
                    retval = UA_STATUSCODE_BADWRITENOTSUPPORTED;
                }
            }
            break;
        case UA_VALUEBACKENDTYPE_INTERNAL:
            break;
        case UA_VALUEBACKENDTYPE_DATA_SOURCE_CALLBACK:
            break;
        case UA_VALUEBACKENDTYPE_EXTERNAL:
            if(node->valueBackend.backend.external.callback.userWrite == NULL){
                if(rangeptr && rangeptr->dimensions != NULL)
                    UA_free(rangeptr->dimensions);
                return UA_STATUSCODE_BADWRITENOTSUPPORTED;
            }
            retval = node->valueBackend.backend.external.callback.
                userWrite(server, &session->sessionId, session->sessionHandle,
                          &node->head.nodeId, node->head.context,
                          rangeptr, &adjustedValue);
            break;
    }

    /* Clean up */
    if(rangeptr && rangeptr->dimensions != NULL)
        UA_free(rangeptr->dimensions);
    return retval;
}

static UA_StatusCode
writeIsAbstractAttribute(UA_Node *node, UA_Boolean value) {
    switch(node->head.nodeClass) {
    case UA_NODECLASS_OBJECTTYPE:
        node->objectTypeNode.isAbstract = value;
        break;
    case UA_NODECLASS_REFERENCETYPE:
        node->referenceTypeNode.isAbstract = value;
        break;
    case UA_NODECLASS_VARIABLETYPE:
        node->variableTypeNode.isAbstract = value;
        break;
    case UA_NODECLASS_DATATYPE:
        node->dataTypeNode.isAbstract = value;
        break;
    default:
        return UA_STATUSCODE_BADNODECLASSINVALID;
    }
    return UA_STATUSCODE_GOOD;
}

/*****************/
/* Write Service */
/*****************/

#define CHECK_DATATYPE_SCALAR(EXP_DT)                                   \
    if(!wvalue->value.hasValue ||                                       \
       &UA_TYPES[UA_TYPES_##EXP_DT] != wvalue->value.value.type ||      \
       !UA_Variant_isScalar(&wvalue->value.value)) {                    \
        retval = UA_STATUSCODE_BADTYPEMISMATCH;                         \
        break;                                                          \
    }

#define CHECK_DATATYPE_ARRAY(EXP_DT)                                    \
    if(!wvalue->value.hasValue ||                                       \
       &UA_TYPES[UA_TYPES_##EXP_DT] != wvalue->value.value.type ||      \
       UA_Variant_isScalar(&wvalue->value.value)) {                     \
        retval = UA_STATUSCODE_BADTYPEMISMATCH;                         \
        break;                                                          \
    }

#define CHECK_NODECLASS_WRITE(CLASS)                                    \
    if((node->head.nodeClass & (CLASS)) == 0) {                         \
        retval = UA_STATUSCODE_BADNODECLASSINVALID;                     \
        break;                                                          \
    }

#define CHECK_USERWRITEMASK(mask)                           \
    if(!(userWriteMask & (mask))) {                         \
        retval = UA_STATUSCODE_BADUSERACCESSDENIED;         \
        break;                                              \
    }

#define GET_NODETYPE                                \
    type = (const UA_VariableTypeNode*)             \
        getNodeType(server, &node->head);           \
    if(!type) {                                     \
        retval = UA_STATUSCODE_BADTYPEMISMATCH;     \
        break;                                      \
    }

/* Update a localized text. Don't touch the target if copying fails
 * (maybe due to BadOutOfMemory). */
static UA_StatusCode
updateLocalizedText(const UA_LocalizedText *source, UA_LocalizedText *target) {
    UA_LocalizedText tmp;
    UA_StatusCode retval = UA_LocalizedText_copy(source, &tmp);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    UA_LocalizedText_clear(target);
    *target = tmp;
    return UA_STATUSCODE_GOOD;
}

/* Trigger sampling if a MonitoredItem surveils the attribute with no sampling
 * interval */
#ifdef UA_ENABLE_SUBSCRIPTIONS
static void
triggerImmediateDataChange(UA_Server *server, UA_Session *session,
                           UA_Node *node, const UA_WriteValue *wvalue) {
    UA_MonitoredItem *mon = node->head.monitoredItems;
    for(; mon != NULL; mon = mon->sampling.nodeListNext) {
        if(mon->itemToMonitor.attributeId != wvalue->attributeId)
            continue;
        UA_DataValue value;
        UA_DataValue_init(&value);
        ReadWithNode(node, server, session, mon->timestampsToReturn,
                     &mon->itemToMonitor, &value);
        UA_Subscription *sub = mon->subscription;
        UA_StatusCode res = sampleCallbackWithValue(server, sub, mon, &value);
        if(res != UA_STATUSCODE_GOOD) {
            UA_DataValue_clear(&value);
            UA_LOG_WARNING_SUBSCRIPTION(&server->config.logger, sub,
                                        "MonitoredItem %" PRIi32 " | "
                                        "Sampling returned the statuscode %s",
                                        mon->monitoredItemId,
                                        UA_StatusCode_name(res));
        }
    }
}
#endif

/* This function implements the main part of the write service and operates on a
   copy of the node (not in single-threaded mode). */
static UA_StatusCode
copyAttributeIntoNode(UA_Server *server, UA_Session *session,
                      UA_Node *node, const UA_WriteValue *wvalue) {
    UA_assert(session != NULL);
    const void *value = wvalue->value.value.data;
    UA_UInt32 userWriteMask = getUserWriteMask(server, session, &node->head);
    UA_StatusCode retval = UA_STATUSCODE_GOOD;

    UA_LOG_NODEID_DEBUG(&node->head.nodeId,
                        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                                             "Write attribute %"PRIi32 " of Node %.*s",
                                             wvalue->attributeId, (int)nodeIdStr.length,
                                             nodeIdStr.data));

    const UA_VariableTypeNode *type;

    switch(wvalue->attributeId) {
    case UA_ATTRIBUTEID_NODEID:
    case UA_ATTRIBUTEID_NODECLASS:
    case UA_ATTRIBUTEID_USERWRITEMASK:
    case UA_ATTRIBUTEID_USERACCESSLEVEL:
    case UA_ATTRIBUTEID_USEREXECUTABLE:
    case UA_ATTRIBUTEID_BROWSENAME: /* BrowseName is tracked in a binary tree
                                       for fast lookup */
        retval = UA_STATUSCODE_BADWRITENOTSUPPORTED;
        break;
    case UA_ATTRIBUTEID_DISPLAYNAME:
        CHECK_USERWRITEMASK(UA_WRITEMASK_DISPLAYNAME);
        CHECK_DATATYPE_SCALAR(LOCALIZEDTEXT);
        retval = updateLocalizedText((const UA_LocalizedText *)value,
                                     &node->head.displayName);
        break;
    case UA_ATTRIBUTEID_DESCRIPTION:
        CHECK_USERWRITEMASK(UA_WRITEMASK_DESCRIPTION);
        CHECK_DATATYPE_SCALAR(LOCALIZEDTEXT);
        retval = updateLocalizedText((const UA_LocalizedText *)value,
                                     &node->head.description);
        break;
    case UA_ATTRIBUTEID_WRITEMASK:
        CHECK_USERWRITEMASK(UA_WRITEMASK_WRITEMASK);
        CHECK_DATATYPE_SCALAR(UINT32);
        node->head.writeMask = *(const UA_UInt32*)value;
        break;
    case UA_ATTRIBUTEID_ISABSTRACT:
        CHECK_USERWRITEMASK(UA_WRITEMASK_ISABSTRACT);
        CHECK_DATATYPE_SCALAR(BOOLEAN);
        retval = writeIsAbstractAttribute(node, *(const UA_Boolean*)value);
        break;
    case UA_ATTRIBUTEID_SYMMETRIC:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_REFERENCETYPE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_SYMMETRIC);
        CHECK_DATATYPE_SCALAR(BOOLEAN);
        node->referenceTypeNode.symmetric = *(const UA_Boolean*)value;
        break;
    case UA_ATTRIBUTEID_INVERSENAME:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_REFERENCETYPE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_INVERSENAME);
        CHECK_DATATYPE_SCALAR(LOCALIZEDTEXT);
        retval = updateLocalizedText((const UA_LocalizedText *)value,
                                     &node->referenceTypeNode.inverseName);
        break;
    case UA_ATTRIBUTEID_CONTAINSNOLOOPS:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VIEW);
        CHECK_USERWRITEMASK(UA_WRITEMASK_CONTAINSNOLOOPS);
        CHECK_DATATYPE_SCALAR(BOOLEAN);
        node->viewNode.containsNoLoops = *(const UA_Boolean*)value;
        break;
    case UA_ATTRIBUTEID_EVENTNOTIFIER:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VIEW | UA_NODECLASS_OBJECT);
        CHECK_USERWRITEMASK(UA_WRITEMASK_EVENTNOTIFIER);
        CHECK_DATATYPE_SCALAR(BYTE);
        if(node->head.nodeClass == UA_NODECLASS_VIEW) {
            node->viewNode.eventNotifier = *(const UA_Byte*)value;
        } else {
            node->objectNode.eventNotifier = *(const UA_Byte*)value;
        }
        break;
    case UA_ATTRIBUTEID_VALUE:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        if(node->head.nodeClass == UA_NODECLASS_VARIABLE) {
            /* The access to a value variable is granted via the AccessLevel
             * and UserAccessLevel attributes */
            UA_Byte accessLevel = getAccessLevel(server, session, &node->variableNode);
            if(!(accessLevel & (UA_ACCESSLEVELMASK_WRITE))) {
                retval = UA_STATUSCODE_BADNOTWRITABLE;
                break;
            }
            accessLevel = getUserAccessLevel(server, session, &node->variableNode);
            if(!(accessLevel & (UA_ACCESSLEVELMASK_WRITE))) {
                retval = UA_STATUSCODE_BADUSERACCESSDENIED;
                break;
            }
        } else { /* UA_NODECLASS_VARIABLETYPE */
            CHECK_USERWRITEMASK(UA_WRITEMASK_VALUEFORVARIABLETYPE);
        }
        retval = writeNodeValueAttribute(server, session, &node->variableNode,
                                         &wvalue->value, &wvalue->indexRange);
        break;
    case UA_ATTRIBUTEID_DATATYPE:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_DATATYPE);
        CHECK_DATATYPE_SCALAR(NODEID);
        GET_NODETYPE;
        retval = writeDataTypeAttribute(server, session, &node->variableNode,
                                        type, (const UA_NodeId*)value);
        UA_NODESTORE_RELEASE(server, (const UA_Node*)type);
        break;
    case UA_ATTRIBUTEID_VALUERANK:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_VALUERANK);
        CHECK_DATATYPE_SCALAR(INT32);
        GET_NODETYPE;
        retval = writeValueRankAttribute(server, session, &node->variableNode,
                                         type, *(const UA_Int32*)value);
        UA_NODESTORE_RELEASE(server, (const UA_Node*)type);
        break;
    case UA_ATTRIBUTEID_ARRAYDIMENSIONS:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_ARRRAYDIMENSIONS);
        CHECK_DATATYPE_ARRAY(UINT32);
        GET_NODETYPE;
        retval = writeArrayDimensionsAttribute(server, session, &node->variableNode,
                                               type, wvalue->value.value.arrayLength,
                                               (UA_UInt32 *)wvalue->value.value.data);
        UA_NODESTORE_RELEASE(server, (const UA_Node*)type);
        break;
    case UA_ATTRIBUTEID_ACCESSLEVEL:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VARIABLE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_ACCESSLEVEL);
        CHECK_DATATYPE_SCALAR(BYTE);
        node->variableNode.accessLevel = *(const UA_Byte*)value;
        break;
    case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VARIABLE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_MINIMUMSAMPLINGINTERVAL);
        CHECK_DATATYPE_SCALAR(DOUBLE);
        node->variableNode.minimumSamplingInterval = *(const UA_Double*)value;
        break;
    case UA_ATTRIBUTEID_HISTORIZING:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_VARIABLE);
        CHECK_USERWRITEMASK(UA_WRITEMASK_HISTORIZING);
        CHECK_DATATYPE_SCALAR(BOOLEAN);
        node->variableNode.historizing = *(const UA_Boolean*)value;
        break;
    case UA_ATTRIBUTEID_EXECUTABLE:
        CHECK_NODECLASS_WRITE(UA_NODECLASS_METHOD);
        CHECK_USERWRITEMASK(UA_WRITEMASK_EXECUTABLE);
        CHECK_DATATYPE_SCALAR(BOOLEAN);
        node->methodNode.executable = *(const UA_Boolean*)value;
        break;
    default:
        retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
        break;
    }

    /* Check if writing succeeded */
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "WriteRequest returned status code %s",
                            UA_StatusCode_name(retval));
        return retval;
    }

    /* Trigger MonitoredItems with no SamplingInterval */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    triggerImmediateDataChange(server, session, node, wvalue);
#endif

    return UA_STATUSCODE_GOOD;
}

static void
Operation_Write(UA_Server *server, UA_Session *session, void *context,
                const UA_WriteValue *wv, UA_StatusCode *result) {
    UA_assert(session != NULL);
    *result = UA_Server_editNode(server, session, &wv->nodeId,
                                 (UA_EditNodeCallback)copyAttributeIntoNode,
                                 (void*)(uintptr_t)wv);
}

void
Service_Write(UA_Server *server, UA_Session *session,
              const UA_WriteRequest *request,
              UA_WriteResponse *response) {
    UA_assert(session != NULL);
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing WriteRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxNodesPerWrite != 0 &&
       request->nodesToWriteSize > server->config.maxNodesPerWrite) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_Write, NULL,
                                           &request->nodesToWriteSize,
                                           &UA_TYPES[UA_TYPES_WRITEVALUE],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_STATUSCODE]);
}

UA_StatusCode
UA_Server_write(UA_Server *server, const UA_WriteValue *value) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    UA_LOCK(&server->serviceMutex);
    Operation_Write(server, &server->adminSession, NULL, value, &res);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

/* Convenience function to be wrapped into inline functions */
UA_StatusCode
__UA_Server_write(UA_Server *server, const UA_NodeId *nodeId,
                  const UA_AttributeId attributeId,
                  const UA_DataType *attr_type, const void *attr) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode res = writeAttribute(server, &server->adminSession,
                                       nodeId, attributeId, attr, attr_type);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}

/* Internal convenience function */
UA_StatusCode
writeAttribute(UA_Server *server, UA_Session *session,
               const UA_NodeId *nodeId, const UA_AttributeId attributeId,
               const void *attr, const UA_DataType *attr_type) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_WriteValue wvalue;
    UA_WriteValue_init(&wvalue);
    wvalue.nodeId = *nodeId;
    wvalue.attributeId = attributeId;
    wvalue.value.hasValue = true;
    if(attr_type == &UA_TYPES[UA_TYPES_VARIANT]) {
        wvalue.value.value = *(const UA_Variant*)attr;
    } else if(attr_type == &UA_TYPES[UA_TYPES_DATAVALUE]) {
        wvalue.value = *(const UA_DataValue*)attr;
    } else {
        /* hacked cast. the target WriteValue is used as const anyway */
        UA_Variant_setScalar(&wvalue.value.value,
                             (void*)(uintptr_t)attr, attr_type);
    }

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    Operation_Write(server, session, NULL, &wvalue, &res);
    return res;
}

#ifdef UA_ENABLE_HISTORIZING
typedef void
 (*UA_HistoryDatabase_readFunc)(UA_Server *server, void *hdbContext,
                                const UA_NodeId *sessionId, void *sessionContext,
                                const UA_RequestHeader *requestHeader,
                                const void *historyReadDetails,
                                UA_TimestampsToReturn timestampsToReturn,
                                UA_Boolean releaseContinuationPoints,
                                size_t nodesToReadSize,
                                const UA_HistoryReadValueId *nodesToRead,
                                UA_HistoryReadResponse *response,
                                void * const * const historyData);

void
Service_HistoryRead(UA_Server *server, UA_Session *session,
                    const UA_HistoryReadRequest *request,
                    UA_HistoryReadResponse *response) {
    UA_assert(session != NULL);
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    if(server->config.historyDatabase.context == NULL) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTSUPPORTED;
        return;
    }

    if(request->historyReadDetails.encoding != UA_EXTENSIONOBJECT_DECODED) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTSUPPORTED;
        return;
    }

    const UA_DataType *historyDataType = &UA_TYPES[UA_TYPES_HISTORYDATA];
    UA_HistoryDatabase_readFunc readHistory = NULL;
    if(request->historyReadDetails.content.decoded.type ==
       &UA_TYPES[UA_TYPES_READRAWMODIFIEDDETAILS]) {
        UA_ReadRawModifiedDetails *details = (UA_ReadRawModifiedDetails*)
            request->historyReadDetails.content.decoded.data;
        if(!details->isReadModified) {
            readHistory = (UA_HistoryDatabase_readFunc)
                server->config.historyDatabase.readRaw;
        } else {
            historyDataType = &UA_TYPES[UA_TYPES_HISTORYMODIFIEDDATA];
            readHistory = (UA_HistoryDatabase_readFunc)
                server->config.historyDatabase.readModified;
        }
    } else if(request->historyReadDetails.content.decoded.type ==
              &UA_TYPES[UA_TYPES_READEVENTDETAILS]) {
        historyDataType = &UA_TYPES[UA_TYPES_HISTORYEVENT];
        readHistory = (UA_HistoryDatabase_readFunc)
            server->config.historyDatabase.readEvent;
    } else if(request->historyReadDetails.content.decoded.type ==
              &UA_TYPES[UA_TYPES_READPROCESSEDDETAILS]) {
        readHistory = (UA_HistoryDatabase_readFunc)
            server->config.historyDatabase.readProcessed;
    } else if(request->historyReadDetails.content.decoded.type ==
              &UA_TYPES[UA_TYPES_READATTIMEDETAILS]) {
        readHistory = (UA_HistoryDatabase_readFunc)
            server->config.historyDatabase.readAtTime;
    } else {
        /* TODO handle more request->historyReadDetails.content.decoded.type types */
        response->responseHeader.serviceResult = UA_STATUSCODE_BADHISTORYOPERATIONUNSUPPORTED;
        return;
    }

    /* Something to do? */
    if(request->nodesToReadSize == 0) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO;
        return;
    }

    /* Check if there are too many operations */
    if(server->config.maxNodesPerRead != 0 &&
       request->nodesToReadSize > server->config.maxNodesPerRead) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    /* Allocate a temporary array to forward the result pointers to the
     * backend */
    void **historyData = (void **)
        UA_calloc(request->nodesToReadSize, sizeof(void*));
    if(!historyData) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    /* Allocate the results array */
    response->results = (UA_HistoryReadResult*)
        UA_Array_new(request->nodesToReadSize, &UA_TYPES[UA_TYPES_HISTORYREADRESULT]);
    if(!response->results) {
        UA_free(historyData);
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }
    response->resultsSize = request->nodesToReadSize;

    for(size_t i = 0; i < response->resultsSize; ++i) {
        void * data = UA_new(historyDataType);
        UA_ExtensionObject_setValue(&response->results[i].historyData,
                                    data, historyDataType);
        historyData[i] = data;
    }
    UA_UNLOCK(&server->serviceMutex);
    readHistory(server, server->config.historyDatabase.context,
                &session->sessionId, session->sessionHandle,
                &request->requestHeader,
                request->historyReadDetails.content.decoded.data,
                request->timestampsToReturn,
                request->releaseContinuationPoints,
                request->nodesToReadSize, request->nodesToRead,
                response, historyData);
    UA_LOCK(&server->serviceMutex);
    UA_free(historyData);
}

void
Service_HistoryUpdate(UA_Server *server, UA_Session *session,
                    const UA_HistoryUpdateRequest *request,
                    UA_HistoryUpdateResponse *response) {
    UA_assert(session != NULL);
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    response->resultsSize = request->historyUpdateDetailsSize;
    response->results = (UA_HistoryUpdateResult*)
        UA_Array_new(response->resultsSize, &UA_TYPES[UA_TYPES_HISTORYUPDATERESULT]);
    if(!response->results) {
        response->resultsSize = 0;
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    for(size_t i = 0; i < request->historyUpdateDetailsSize; ++i) {
        UA_HistoryUpdateResult_init(&response->results[i]);
        if(request->historyUpdateDetails[i].encoding != UA_EXTENSIONOBJECT_DECODED) {
            response->results[i].statusCode = UA_STATUSCODE_BADNOTSUPPORTED;
            continue;
        }

        const UA_DataType *updateDetailsType =
            request->historyUpdateDetails[i].content.decoded.type;
        void *updateDetailsData = request->historyUpdateDetails[i].content.decoded.data;

        if(updateDetailsType == &UA_TYPES[UA_TYPES_UPDATEDATADETAILS]) {
            if(!server->config.historyDatabase.updateData) {
                response->results[i].statusCode = UA_STATUSCODE_BADNOTSUPPORTED;
                continue;
            }
            UA_UNLOCK(&server->serviceMutex);
            server->config.historyDatabase.
                updateData(server, server->config.historyDatabase.context,
                           &session->sessionId, session->sessionHandle,
                           &request->requestHeader,
                           (UA_UpdateDataDetails*)updateDetailsData,
                           &response->results[i]);
            UA_LOCK(&server->serviceMutex);
            continue;
        }

        if(updateDetailsType == &UA_TYPES[UA_TYPES_DELETERAWMODIFIEDDETAILS]) {
            if(!server->config.historyDatabase.deleteRawModified) {
                response->results[i].statusCode = UA_STATUSCODE_BADNOTSUPPORTED;
                continue;
            }
            UA_UNLOCK(&server->serviceMutex);
            server->config.historyDatabase.
                deleteRawModified(server, server->config.historyDatabase.context,
                                  &session->sessionId, session->sessionHandle,
                                  &request->requestHeader,
                                  (UA_DeleteRawModifiedDetails*)updateDetailsData,
                                  &response->results[i]);
            UA_LOCK(&server->serviceMutex);
            continue;
        }

        response->results[i].statusCode = UA_STATUSCODE_BADNOTSUPPORTED;
    }
}

#endif

UA_StatusCode
UA_Server_writeObjectProperty(UA_Server *server, const UA_NodeId objectId,
                              const UA_QualifiedName propertyName,
                              const UA_Variant value) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retVal = writeObjectProperty(server, objectId, propertyName, value);
    UA_UNLOCK(&server->serviceMutex);
    return retVal;
}

UA_StatusCode
writeObjectProperty(UA_Server *server, const UA_NodeId objectId,
                    const UA_QualifiedName propertyName,
                    const UA_Variant value) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_RelativePathElement rpe;
    UA_RelativePathElement_init(&rpe);
    rpe.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
    rpe.isInverse = false;
    rpe.includeSubtypes = false;
    rpe.targetName = propertyName;

    UA_BrowsePath bp;
    UA_BrowsePath_init(&bp);
    bp.startingNode = objectId;
    bp.relativePath.elementsSize = 1;
    bp.relativePath.elements = &rpe;

    UA_StatusCode retval;
    UA_BrowsePathResult bpr = translateBrowsePathToNodeIds(server, &bp);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        retval = bpr.statusCode;
        UA_BrowsePathResult_clear(&bpr);
        return retval;
    }

    retval = writeValueAttribute(server, &server->adminSession,
                                 &bpr.targets[0].targetId.nodeId, &value);

    UA_BrowsePathResult_clear(&bpr);
    return retval;
}

UA_StatusCode UA_EXPORT
UA_Server_writeObjectProperty_scalar(UA_Server *server, const UA_NodeId objectId,
                                     const UA_QualifiedName propertyName,
                                     const void *value, const UA_DataType *type) {
    UA_Variant var;
    UA_Variant_init(&var);
    UA_Variant_setScalar(&var, (void*)(uintptr_t)value, type);
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = writeObjectProperty(server, objectId, propertyName, var);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/**** amalgamated original file "/src/server/ua_services_discovery.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2016 (c) Sten Grüner
 *    Copyright 2014, 2017 (c) Florian Palm
 *    Copyright 2016 (c) Oleksiy Vasylyev
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 */


#ifdef UA_ENABLE_DISCOVERY


static UA_StatusCode
setApplicationDescriptionFromRegisteredServer(const UA_FindServersRequest *request,
                                              UA_ApplicationDescription *target,
                                              const UA_RegisteredServer *registeredServer) {
    UA_ApplicationDescription_init(target);
    UA_StatusCode retval = UA_String_copy(&registeredServer->serverUri, &target->applicationUri);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    retval = UA_String_copy(&registeredServer->productUri, &target->productUri);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    // if the client requests a specific locale, select the corresponding server name
    if(request->localeIdsSize) {
        UA_Boolean appNameFound = false;
        for(size_t i =0; i<request->localeIdsSize && !appNameFound; i++) {
            for(size_t j =0; j<registeredServer->serverNamesSize; j++) {
                if(UA_String_equal(&request->localeIds[i], &registeredServer->serverNames[j].locale)) {
                    retval = UA_LocalizedText_copy(&registeredServer->serverNames[j],
                                                   &target->applicationName);
                    if(retval != UA_STATUSCODE_GOOD)
                        return retval;
                    appNameFound = true;
                    break;
                }
            }
        }

        // server does not have the requested local, therefore we can select the
        // most suitable one
        if(!appNameFound && registeredServer->serverNamesSize) {
            retval = UA_LocalizedText_copy(&registeredServer->serverNames[0],
                                           &target->applicationName);
            if(retval != UA_STATUSCODE_GOOD)
                return retval;
        }
    } else if(registeredServer->serverNamesSize) {
        // just take the first name
        retval = UA_LocalizedText_copy(&registeredServer->serverNames[0], &target->applicationName);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    target->applicationType = registeredServer->serverType;
    retval = UA_String_copy(&registeredServer->gatewayServerUri, &target->gatewayServerUri);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    // TODO where do we get the discoveryProfileUri for application data?

    target->discoveryUrlsSize = registeredServer->discoveryUrlsSize;
    if(registeredServer->discoveryUrlsSize) {
        size_t duSize = sizeof(UA_String) * registeredServer->discoveryUrlsSize;
        target->discoveryUrls = (UA_String *)UA_malloc(duSize);
        if(!target->discoveryUrls)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        for(size_t i = 0; i < registeredServer->discoveryUrlsSize; i++) {
            retval = UA_String_copy(&registeredServer->discoveryUrls[i], &target->discoveryUrls[i]);
            if(retval != UA_STATUSCODE_GOOD)
                return retval;
        }
    }

    return retval;
}
#endif

static UA_StatusCode
setApplicationDescriptionFromServer(UA_ApplicationDescription *target, const UA_Server *server) {
    /* Copy ApplicationDescription from the config */
    UA_StatusCode result = UA_ApplicationDescription_copy(&server->config.applicationDescription, target);
    if(result != UA_STATUSCODE_GOOD)
        return result;

    /* Add the discoveryUrls from the networklayers only if discoveryUrl
     * not already present and to avoid redundancy */
    if(!target->discoveryUrlsSize) {
        size_t discSize = sizeof(UA_String) * (target->discoveryUrlsSize + server->config.networkLayersSize);
        UA_String* disc = (UA_String *)UA_realloc(target->discoveryUrls, discSize);
        if(!disc)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        size_t existing = target->discoveryUrlsSize;
        target->discoveryUrls = disc;
        target->discoveryUrlsSize += server->config.networkLayersSize;

        for(size_t i = 0; i < server->config.networkLayersSize; i++) {
            UA_ServerNetworkLayer* nl = &server->config.networkLayers[i];
            UA_String_copy(&nl->discoveryUrl, &target->discoveryUrls[existing + i]);
        }
    }

    return UA_STATUSCODE_GOOD;
}

void Service_FindServers(UA_Server *server, UA_Session *session,
                         const UA_FindServersRequest *request,
                         UA_FindServersResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing FindServersRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Return the server itself? */
    UA_Boolean foundSelf = false;
    if(request->serverUrisSize) {
        for(size_t i = 0; i < request->serverUrisSize; i++) {
            if(UA_String_equal(&request->serverUris[i],
                               &server->config.applicationDescription.applicationUri)) {
                foundSelf = true;
                break;
            }
        }
    } else {
        foundSelf = true;
    }

#ifndef UA_ENABLE_DISCOVERY
    if(!foundSelf)
        return;

    UA_ApplicationDescription *ad = UA_ApplicationDescription_new();
    if(!ad) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    UA_StatusCode retval = setApplicationDescriptionFromServer(ad, server);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ApplicationDescription_delete(ad);
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    response->servers = ad;
    response->serversSize = 1;
    return;

#else

    /* Allocate enough memory, including memory for the "self" response */
    size_t maxResults = server->discoveryManager.registeredServersSize + 1;
    response->servers = (UA_ApplicationDescription*)UA_Array_new(maxResults, &UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION]);
    if(!response->servers) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    /* Copy into the response. TODO: Evaluate return codes */
    size_t pos = 0;
    if(foundSelf)
        setApplicationDescriptionFromServer(&response->servers[pos++], server);

    registeredServer_list_entry* current;
    LIST_FOREACH(current, &server->discoveryManager.registeredServers, pointers) {
        UA_Boolean usable = (request->serverUrisSize == 0);
        if(!usable) {
            /* If client only requested a specific set of servers */
            for(size_t i = 0; i < request->serverUrisSize; i++) {
                if(UA_String_equal(&current->registeredServer.serverUri, &request->serverUris[i])) {
                    usable = true;
                    break;
                }
            }
        }

        if(usable)
            setApplicationDescriptionFromRegisteredServer(request, &response->servers[pos++],
                                                          &current->registeredServer);
    }

    /* Set the final size */
    if(pos > 0) {
        response->serversSize = pos;
    } else {
        UA_free(response->servers);
        response->servers = NULL;
    }
#endif
}

void
Service_GetEndpoints(UA_Server *server, UA_Session *session,
                     const UA_GetEndpointsRequest *request,
                     UA_GetEndpointsResponse *response) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* If the client expects to see a specific endpointurl, mirror it back. If
     * not, clone the endpoints with the discovery url of all networklayers. */
    const UA_String *endpointUrl = &request->endpointUrl;
    if(endpointUrl->length > 0) {
        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                             "Processing GetEndpointsRequest with endpointUrl "
                             UA_PRINTF_STRING_FORMAT, UA_PRINTF_STRING_DATA(*endpointUrl));
    } else {
        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                             "Processing GetEndpointsRequest with an empty endpointUrl");
    }

    /* Clone the endpoint for each networklayer? */
    size_t clone_times = 1;
    UA_Boolean nl_endpointurl = false;
    if(endpointUrl->length == 0) {
        clone_times = server->config.networkLayersSize;
        nl_endpointurl = true;
    }

    /* Allocate enough memory */
    response->endpoints = (UA_EndpointDescription*)
        UA_Array_new(server->config.endpointsSize * clone_times,
                     &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
    if(!response->endpoints) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    size_t pos = 0;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    for(size_t j = 0; j < server->config.endpointsSize; ++j) {
        /* Test if the supported binary profile shall be returned */
        UA_Boolean usable = (request->profileUrisSize == 0);
        if(!usable) {
            for(size_t i = 0; i < request->profileUrisSize; ++i) {
                if(!UA_String_equal(&request->profileUris[i],
                                    &server->config.endpoints[j].transportProfileUri))
                    continue;
                usable = true;
                break;
            }
        }
        if(!usable)
            continue;

        /* Copy into the results */
        for(size_t i = 0; i < clone_times; ++i) {
            retval |= UA_EndpointDescription_copy(&server->config.endpoints[j],
                                                  &response->endpoints[pos]);
            UA_String_clear(&response->endpoints[pos].endpointUrl);
            UA_Array_delete(response->endpoints[pos].server.discoveryUrls,
                            response->endpoints[pos].server.discoveryUrlsSize,
                            &UA_TYPES[UA_TYPES_STRING]);
            response->endpoints[pos].server.discoveryUrls = NULL;
            response->endpoints[pos].server.discoveryUrlsSize = 0;
            if(nl_endpointurl)
                endpointUrl = &server->config.networkLayers[i].discoveryUrl;
            retval |= UA_String_copy(endpointUrl, &response->endpoints[pos].endpointUrl);
            retval |= UA_Array_copy(endpointUrl, 1,
                                    (void**)&response->endpoints[pos].server.discoveryUrls,
                                    &UA_TYPES[UA_TYPES_STRING]);
            if(retval != UA_STATUSCODE_GOOD)
                goto error;
            response->endpoints[pos].server.discoveryUrlsSize = 1;
            pos++;
        }
    }

    UA_assert(pos <= server->config.endpointsSize * clone_times);
    response->endpointsSize = pos;

    /* Clean up the memory of there are no usable results */
    if(pos > 0)
        return;

error:
    response->responseHeader.serviceResult = retval;
    UA_Array_delete(response->endpoints, response->endpointsSize,
                    &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
    response->endpoints = NULL;
    response->endpointsSize = 0;
}

#ifdef UA_ENABLE_DISCOVERY

static void
process_RegisterServer(UA_Server *server, UA_Session *session,
                       const UA_RequestHeader* requestHeader,
                       const UA_RegisteredServer *requestServer,
                       const size_t requestDiscoveryConfigurationSize,
                       const UA_ExtensionObject *requestDiscoveryConfiguration,
                       UA_ResponseHeader* responseHeader,
                       size_t *responseConfigurationResultsSize,
                       UA_StatusCode **responseConfigurationResults,
                       size_t *responseDiagnosticInfosSize,
                       UA_DiagnosticInfo *responseDiagnosticInfos) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Find the server from the request in the registered list */
    registeredServer_list_entry* current;
    registeredServer_list_entry *registeredServer_entry = NULL;
    LIST_FOREACH(current, &server->discoveryManager.registeredServers, pointers) {
        if(UA_String_equal(&current->registeredServer.serverUri, &requestServer->serverUri)) {
            registeredServer_entry = current;
            break;
        }
    }

    UA_MdnsDiscoveryConfiguration *mdnsConfig = NULL;

    const UA_String* mdnsServerName = NULL;
    if(requestDiscoveryConfigurationSize) {
        *responseConfigurationResults =
            (UA_StatusCode *)UA_Array_new(requestDiscoveryConfigurationSize,
                                          &UA_TYPES[UA_TYPES_STATUSCODE]);
        if(!(*responseConfigurationResults)) {
            responseHeader->serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
            return;
        }
        *responseConfigurationResultsSize = requestDiscoveryConfigurationSize;

        for(size_t i = 0; i < requestDiscoveryConfigurationSize; i++) {
            const UA_ExtensionObject *object = &requestDiscoveryConfiguration[i];
            if(!mdnsConfig && (object->encoding == UA_EXTENSIONOBJECT_DECODED ||
                               object->encoding == UA_EXTENSIONOBJECT_DECODED_NODELETE) &&
               (object->content.decoded.type == &UA_TYPES[UA_TYPES_MDNSDISCOVERYCONFIGURATION])) {
                mdnsConfig = (UA_MdnsDiscoveryConfiguration *)object->content.decoded.data;
                mdnsServerName = &mdnsConfig->mdnsServerName;
                (*responseConfigurationResults)[i] = UA_STATUSCODE_GOOD;
            } else {
                (*responseConfigurationResults)[i] = UA_STATUSCODE_BADNOTSUPPORTED;
            }
        }
    }

    if(!mdnsServerName && requestServer->serverNamesSize)
        mdnsServerName = &requestServer->serverNames[0].text;

    if(!mdnsServerName) {
        responseHeader->serviceResult = UA_STATUSCODE_BADSERVERNAMEMISSING;
        return;
    }

    if(requestServer->discoveryUrlsSize == 0) {
        responseHeader->serviceResult = UA_STATUSCODE_BADDISCOVERYURLMISSING;
        return;
    }

    if(requestServer->semaphoreFilePath.length) {
#ifdef UA_ENABLE_DISCOVERY_SEMAPHORE
        char* filePath = (char*)
            UA_malloc(sizeof(char)*requestServer->semaphoreFilePath.length+1);
        if(!filePath) {
            UA_LOG_ERROR_SESSION(&server->config.logger, session,
                                 "Cannot allocate memory for semaphore path. Out of memory.");
            responseHeader->serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
            return;
        }
        memcpy(filePath, requestServer->semaphoreFilePath.data, requestServer->semaphoreFilePath.length );
        filePath[requestServer->semaphoreFilePath.length] = '\0';
        if(!UA_fileExists( filePath )) {
            responseHeader->serviceResult = UA_STATUSCODE_BADSEMPAHOREFILEMISSING;
            UA_free(filePath);
            return;
        }
        UA_free(filePath);
#else
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Ignoring semaphore file path. open62541 not compiled "
                       "with UA_ENABLE_DISCOVERY_SEMAPHORE=ON");
#endif
    }

#ifdef UA_ENABLE_DISCOVERY_MULTICAST
    if(server->config.mdnsEnabled) {
        for(size_t i = 0; i < requestServer->discoveryUrlsSize; i++) {
            /* create TXT if is online and first index, delete TXT if is offline and last index */
            UA_Boolean updateTxt = (requestServer->isOnline && i==0) ||
                (!requestServer->isOnline && i==requestServer->discoveryUrlsSize);
            UA_Server_updateMdnsForDiscoveryUrl(server, mdnsServerName, mdnsConfig,
                                                &requestServer->discoveryUrls[i],
                                                requestServer->isOnline, updateTxt);
        }
    }
#endif

    if(!requestServer->isOnline) {
        // server is shutting down. Remove it from the registered servers list
        if(!registeredServer_entry) {
            // server not found, show warning
            UA_LOG_WARNING_SESSION(&server->config.logger, session,
                                   "Could not unregister server %.*s. Not registered.",
                                   (int)requestServer->serverUri.length, requestServer->serverUri.data);
            responseHeader->serviceResult = UA_STATUSCODE_BADNOTHINGTODO;
            return;
        }

        if(server->discoveryManager.registerServerCallback) {
            UA_UNLOCK(&server->serviceMutex);
            server->discoveryManager.
                    registerServerCallback(requestServer,
                                           server->discoveryManager.registerServerCallbackData);
            UA_LOCK(&server->serviceMutex);
        }

        // server found, remove from list
        LIST_REMOVE(registeredServer_entry, pointers);
        UA_RegisteredServer_clear(&registeredServer_entry->registeredServer);
        UA_free(registeredServer_entry);
        server->discoveryManager.registeredServersSize--;
        responseHeader->serviceResult = UA_STATUSCODE_GOOD;
        return;
    }

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(!registeredServer_entry) {
        // server not yet registered, register it by adding it to the list
        UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Registering new server: %.*s",
                             (int)requestServer->serverUri.length, requestServer->serverUri.data);

        registeredServer_entry =
            (registeredServer_list_entry *)UA_malloc(sizeof(registeredServer_list_entry));
        if(!registeredServer_entry) {
            responseHeader->serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
            return;
        }

        LIST_INSERT_HEAD(&server->discoveryManager.registeredServers, registeredServer_entry, pointers);
        UA_atomic_addSize(&server->discoveryManager.registeredServersSize, 1);
    } else {
        UA_RegisteredServer_clear(&registeredServer_entry->registeredServer);
    }

    // Always call the callback, if it is set.
    // Previously we only called it if it was a new register call. It may be the case that this endpoint
    // registered before, then crashed, restarts and registeres again. In that case the entry is not deleted
    // and the callback would not be called.
    if(server->discoveryManager.registerServerCallback) {
        UA_UNLOCK(&server->serviceMutex);
        server->discoveryManager.
                registerServerCallback(requestServer,
                                       server->discoveryManager.registerServerCallbackData);
        UA_LOCK(&server->serviceMutex);
    }

    // copy the data from the request into the list
    UA_RegisteredServer_copy(requestServer, &registeredServer_entry->registeredServer);
    registeredServer_entry->lastSeen = UA_DateTime_nowMonotonic();
    responseHeader->serviceResult = retval;
}

void Service_RegisterServer(UA_Server *server, UA_Session *session,
                            const UA_RegisterServerRequest *request,
                            UA_RegisterServerResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing RegisterServerRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    process_RegisterServer(server, session, &request->requestHeader, &request->server, 0,
                           NULL, &response->responseHeader, 0, NULL, 0, NULL);
}

void Service_RegisterServer2(UA_Server *server, UA_Session *session,
                            const UA_RegisterServer2Request *request,
                             UA_RegisterServer2Response *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing RegisterServer2Request");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    process_RegisterServer(server, session, &request->requestHeader, &request->server,
                           request->discoveryConfigurationSize, request->discoveryConfiguration,
                           &response->responseHeader, &response->configurationResultsSize,
                           &response->configurationResults, &response->diagnosticInfosSize,
                           response->diagnosticInfos);
}

/* Cleanup server registration: If the semaphore file path is set, then it just
 * checks the existence of the file. When it is deleted, the registration is
 * removed. If there is no semaphore file, then the registration will be removed
 * if it is older than 60 minutes. */
void UA_Discovery_cleanupTimedOut(UA_Server *server, UA_DateTime nowMonotonic) {
    UA_DateTime timedOut = nowMonotonic;
    // registration is timed out if lastSeen is older than 60 minutes (default
    // value, can be modified by user).
    if(server->config.discoveryCleanupTimeout)
        timedOut -= server->config.discoveryCleanupTimeout * UA_DATETIME_SEC;

    registeredServer_list_entry* current, *temp;
    LIST_FOREACH_SAFE(current, &server->discoveryManager.registeredServers, pointers, temp) {
        UA_Boolean semaphoreDeleted = false;

#ifdef UA_ENABLE_DISCOVERY_SEMAPHORE
        if(current->registeredServer.semaphoreFilePath.length) {
            size_t fpSize = sizeof(char)*current->registeredServer.semaphoreFilePath.length+1;
            // todo: malloc may fail: return a statuscode
            char* filePath = (char *)UA_malloc(fpSize);
            if(filePath) {
                memcpy(filePath, current->registeredServer.semaphoreFilePath.data,
                       current->registeredServer.semaphoreFilePath.length );
                filePath[current->registeredServer.semaphoreFilePath.length] = '\0';
                semaphoreDeleted = UA_fileExists(filePath) == false;
                UA_free(filePath);
            } else {
                UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                             "Cannot check registration semaphore. Out of memory");
            }
        }
#endif

        if(semaphoreDeleted || (server->config.discoveryCleanupTimeout &&
                                current->lastSeen < timedOut)) {
            if(semaphoreDeleted) {
                UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                            "Registration of server with URI %.*s is removed because "
                            "the semaphore file '%.*s' was deleted.",
                            (int)current->registeredServer.serverUri.length,
                            current->registeredServer.serverUri.data,
                            (int)current->registeredServer.semaphoreFilePath.length,
                            current->registeredServer.semaphoreFilePath.data);
            } else {
                // cppcheck-suppress unreadVariable
                UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                            "Registration of server with URI %.*s has timed out and is removed.",
                            (int)current->registeredServer.serverUri.length,
                            current->registeredServer.serverUri.data);
            }
            LIST_REMOVE(current, pointers);
            UA_RegisteredServer_clear(&current->registeredServer);
            UA_free(current);
            server->discoveryManager.registeredServersSize--;
        }
    }
}

/* Called by the UA_Server callback. The OPC UA specification says:
 *
 * > If an error occurs during registration (e.g. the Discovery Server is not running) then the Server
 * > must periodically re-attempt registration. The frequency of these attempts should start at 1 second
 * > but gradually increase until the registration frequency is the same as what it would be if not
 * > errors occurred. The recommended approach would double the period each attempt until reaching the maximum.
 *
 * We will do so by using the additional data parameter which holds information
 * if the next interval is default or if it is a repeated call. */
static void
periodicServerRegister(UA_Server *server, void *data) {
    UA_assert(data != NULL);
    UA_LOCK(&server->serviceMutex);

    struct PeriodicServerRegisterCallback *cb = (struct PeriodicServerRegisterCallback *)data;

    UA_StatusCode retval = UA_Client_connectSecureChannel(cb->client, cb->discovery_server_url);
    if (retval == UA_STATUSCODE_GOOD) {
        /* Register
           You can also use a semaphore file. That file must exist. When the file is
           deleted, the server is automatically unregistered. The semaphore file has
           to be accessible by the discovery server

           UA_StatusCode retval = UA_Server_register_discovery(server,
           "opc.tcp://localhost:4840", "/path/to/some/file");
        */
        retval = register_server_with_discovery_server(server, cb->client, false, NULL);
        if (retval == UA_STATUSCODE_BADCONNECTIONCLOSED) {
            /* If the periodic interval is higher than the maximum lifetime of
             * the session, the server will close the connection. In this case
             * we should try to reconnect */
            UA_Client_disconnect(cb->client);
            retval = UA_Client_connectSecureChannel(cb->client, cb->discovery_server_url);
            if (retval == UA_STATUSCODE_GOOD) {
                retval = register_server_with_discovery_server(server, cb->client, false, NULL);
            }
        }
    }
    /* Registering failed */
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Could not register server with discovery server. "
                     "Is the discovery server started? StatusCode %s",
                     UA_StatusCode_name(retval));

        /* If the server was previously registered, retry in one second,
         * else, double the previous interval */
        UA_Double nextInterval = 1000.0;
        if(!cb->registered)
            nextInterval = cb->this_interval * 2;

        /* The interval should be smaller than the default interval */
        if(nextInterval > cb->default_interval)
            nextInterval = cb->default_interval;

        cb->this_interval = nextInterval;
        changeRepeatedCallbackInterval(server, cb->id, nextInterval);
        UA_UNLOCK(&server->serviceMutex);
        return;
    }

    /* Registering succeeded */
    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "Server successfully registered. Next periodical register will be in %d seconds",
                 (int)(cb->default_interval/1000));

    if(!cb->registered) {
        retval = changeRepeatedCallbackInterval(server, cb->id, cb->default_interval);
        /* If changing the interval fails, try again after the next registering */
        if(retval == UA_STATUSCODE_GOOD)
            cb->registered = true;
    }
    UA_UNLOCK(&server->serviceMutex);
}

UA_StatusCode
UA_Server_addPeriodicServerRegisterCallback(UA_Server *server,
                                            struct UA_Client *client,
                                            const char* discoveryServerUrl,
                                            UA_Double intervalMs,
                                            UA_Double delayFirstRegisterMs,
                                            UA_UInt64 *periodicCallbackId) {
    UA_LOCK(&server->serviceMutex);
    /* No valid server URL */
    if(!discoveryServerUrl) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "No discovery server URL provided");
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINTERNALERROR;
    }


    if (client->connection.state != UA_CONNECTIONSTATE_CLOSED) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINVALIDSTATE;
    }

    /* Check if we are already registering with the given discovery url and
     * remove the old periodic call */
    periodicServerRegisterCallback_entry *rs, *rs_tmp;
    LIST_FOREACH_SAFE(rs, &server->discoveryManager.
                      periodicServerRegisterCallbacks, pointers, rs_tmp) {
        if(strcmp(rs->callback->discovery_server_url, discoveryServerUrl) == 0) {
            UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                        "There is already a register callback for '%s' in place. "
                        "Removing the older one.", discoveryServerUrl);
            removeCallback(server, rs->callback->id);
            LIST_REMOVE(rs, pointers);
            UA_free(rs->callback->discovery_server_url);
            UA_free(rs->callback);
            UA_free(rs);
            break;
        }
    }

    /* Allocate and initialize */
    struct PeriodicServerRegisterCallback* cb = (struct PeriodicServerRegisterCallback*)
        UA_malloc(sizeof(struct PeriodicServerRegisterCallback));
    if(!cb) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    /* Start repeating a failed register after 1s, then increase the delay. Set
     * to 500ms, as the delay is doubled before changing the callback
     * interval.*/
    cb->this_interval = 500.0;
    cb->default_interval = intervalMs;
    cb->registered = false;
    cb->client = client;
    size_t len = strlen(discoveryServerUrl);
    cb->discovery_server_url = (char*)UA_malloc(len+1);
    if (!cb->discovery_server_url) {
        UA_free(cb);
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    memcpy(cb->discovery_server_url, discoveryServerUrl, len+1);

    /* Add the callback */
    UA_StatusCode retval =
        addRepeatedCallback(server, periodicServerRegister,
                            cb, delayFirstRegisterMs, &cb->id);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Could not create periodic job for server register. "
                     "StatusCode %s", UA_StatusCode_name(retval));
        UA_free(cb);
        UA_UNLOCK(&server->serviceMutex);
        return retval;
    }

#ifndef __clang_analyzer__
    // the analyzer reports on LIST_INSERT_HEAD a use after free false positive
    periodicServerRegisterCallback_entry *newEntry = (periodicServerRegisterCallback_entry*)
        UA_malloc(sizeof(periodicServerRegisterCallback_entry));
    if(!newEntry) {
        removeCallback(server, cb->id);
        UA_free(cb);
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    newEntry->callback = cb;
    LIST_INSERT_HEAD(&server->discoveryManager.periodicServerRegisterCallbacks, newEntry, pointers);
#endif

    if(periodicCallbackId)
        *periodicCallbackId = cb->id;
    UA_UNLOCK(&server->serviceMutex);
    return UA_STATUSCODE_GOOD;
}

void
UA_Server_setRegisterServerCallback(UA_Server *server,
                                    UA_Server_registerServerCallback cb,
                                    void* data) {
    UA_LOCK(&server->serviceMutex);
    server->discoveryManager.registerServerCallback = cb;
    server->discoveryManager.registerServerCallbackData = data;
    UA_UNLOCK(&server->serviceMutex);
}

#endif /* UA_ENABLE_DISCOVERY */

/**** amalgamated original file "/src/server/ua_services_subscription.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2018, 2022 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2016-2017 (c) Florian Palm
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2018 (c) Ari Breitkreuz, fortiss GmbH
 *    Copyright 2017 (c) Mattias Bornhager
 *    Copyright 2017 (c) Henrik Norrman
 *    Copyright 2017-2018 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2018 (c) Fabian Arndt, Root-Core
 *    Copyright 2017-2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */


#ifdef UA_ENABLE_SUBSCRIPTIONS /* conditional compilation */

static void
setPublishingEnabled(UA_Subscription *sub, UA_Boolean publishingEnabled) {
    if(sub->publishingEnabled == publishingEnabled)
        return;

    sub->publishingEnabled = publishingEnabled;

#ifdef UA_ENABLE_DIAGNOSTICS
    if(publishingEnabled)
        sub->enableCount++;
    else
        sub->disableCount++;
#endif
}

static void
setSubscriptionSettings(UA_Server *server, UA_Subscription *subscription,
                        UA_Double requestedPublishingInterval,
                        UA_UInt32 requestedLifetimeCount,
                        UA_UInt32 requestedMaxKeepAliveCount,
                        UA_UInt32 maxNotificationsPerPublish,
                        UA_Byte priority) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* re-parameterize the subscription */
    UA_BOUNDEDVALUE_SETWBOUNDS(server->config.publishingIntervalLimits,
                               requestedPublishingInterval,
                               subscription->publishingInterval);
    /* check for nan*/
    if(requestedPublishingInterval != requestedPublishingInterval)
        subscription->publishingInterval = server->config.publishingIntervalLimits.min;
    UA_BOUNDEDVALUE_SETWBOUNDS(server->config.keepAliveCountLimits,
                               requestedMaxKeepAliveCount, subscription->maxKeepAliveCount);
    UA_BOUNDEDVALUE_SETWBOUNDS(server->config.lifeTimeCountLimits,
                               requestedLifetimeCount, subscription->lifeTimeCount);
    if(subscription->lifeTimeCount < 3 * subscription->maxKeepAliveCount)
        subscription->lifeTimeCount = 3 * subscription->maxKeepAliveCount;
    subscription->notificationsPerPublish = maxNotificationsPerPublish;
    if(maxNotificationsPerPublish == 0 ||
       maxNotificationsPerPublish > server->config.maxNotificationsPerPublish)
        subscription->notificationsPerPublish = server->config.maxNotificationsPerPublish;
    subscription->priority = priority;
}

void
Service_CreateSubscription(UA_Server *server, UA_Session *session,
                           const UA_CreateSubscriptionRequest *request,
                           UA_CreateSubscriptionResponse *response) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Check limits for the number of subscriptions */
    if(((server->config.maxSubscriptions != 0) &&
        (server->subscriptionsSize >= server->config.maxSubscriptions)) ||
       ((server->config.maxSubscriptionsPerSession != 0) &&
        (session->subscriptionsSize >= server->config.maxSubscriptionsPerSession))) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYSUBSCRIPTIONS;
        return;
    }

    /* Create the subscription */
    UA_Subscription *sub= UA_Subscription_new();
    if(!sub) {
        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                             "Processing CreateSubscriptionRequest failed");
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    /* Set the subscription parameters */
    setSubscriptionSettings(server, sub, request->requestedPublishingInterval,
                            request->requestedLifetimeCount,
                            request->requestedMaxKeepAliveCount,
                            request->maxNotificationsPerPublish, request->priority);
    setPublishingEnabled(sub, request->publishingEnabled);
    sub->currentKeepAliveCount = sub->maxKeepAliveCount; /* set settings first */

    /* Assign the SubscriptionId */
    sub->subscriptionId = ++server->lastSubscriptionId;

    /* Register the cyclic callback */
    UA_StatusCode retval = Subscription_registerPublishCallback(server, sub);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_DEBUG_SESSION(&server->config.logger, sub->session,
                             "Subscription %" PRIu32 " | "
                             "Could not register publish callback with error code %s",
                             sub->subscriptionId, UA_StatusCode_name(retval));
        response->responseHeader.serviceResult = retval;
        UA_Subscription_delete(server, sub);
        return;
    }

    /* Register the subscription in the server */
    LIST_INSERT_HEAD(&server->subscriptions, sub, serverListEntry);
    server->subscriptionsSize++;

    /* Update the server statistics */
    server->serverDiagnosticsSummary.currentSubscriptionCount++;
    server->serverDiagnosticsSummary.cumulatedSubscriptionCount++;

    /* Attach the Subscription to the session */
    UA_Session_attachSubscription(session, sub);

    /* Prepare the response */
    response->subscriptionId = sub->subscriptionId;
    response->revisedPublishingInterval = sub->publishingInterval;
    response->revisedLifetimeCount = sub->lifeTimeCount;
    response->revisedMaxKeepAliveCount = sub->maxKeepAliveCount;

#ifdef UA_ENABLE_DIAGNOSTICS
    createSubscriptionObject(server, session, sub);
#endif

    UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, sub,
                             "Subscription created (Publishing interval %.2fms, "
                             "max %lu notifications per publish)",
                             sub->publishingInterval,
                             (long unsigned)sub->notificationsPerPublish);}

void
Service_ModifySubscription(UA_Server *server, UA_Session *session,
                           const UA_ModifySubscriptionRequest *request,
                           UA_ModifySubscriptionResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing ModifySubscriptionRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_Subscription *sub = UA_Session_getSubscriptionById(session, request->subscriptionId);
    if(!sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    /* Store the old publishing interval */
    UA_Double oldPublishingInterval = sub->publishingInterval;
    UA_Byte oldPriority = sub->priority;

    /* Change the Subscription settings */
    setSubscriptionSettings(server, sub, request->requestedPublishingInterval,
                            request->requestedLifetimeCount,
                            request->requestedMaxKeepAliveCount,
                            request->maxNotificationsPerPublish, request->priority);

    /* Reset the subscription lifetime */
    sub->currentLifetimeCount = 0;

    /* Change the repeated callback to the new interval. This cannot fail as the
     * CallbackId must exist. */
    if(sub->publishCallbackId > 0 &&
       sub->publishingInterval != oldPublishingInterval)
        changeRepeatedCallbackInterval(server, sub->publishCallbackId,
                                       sub->publishingInterval);

    /* If the priority has changed, re-enter the subscription to the
     * priority-ordered queue in the session. */
    if(oldPriority != sub->priority) {
        UA_Session_detachSubscription(server, session, sub, false);
        UA_Session_attachSubscription(session, sub);
    }

    /* Set the response */
    response->revisedPublishingInterval = sub->publishingInterval;
    response->revisedLifetimeCount = sub->lifeTimeCount;
    response->revisedMaxKeepAliveCount = sub->maxKeepAliveCount;

    /* Update the diagnostics statistics */
#ifdef UA_ENABLE_DIAGNOSTICS
    sub->modifyCount++;
#endif
}

static void
Operation_SetPublishingMode(UA_Server *server, UA_Session *session,
                            const UA_Boolean *publishingEnabled,
                            const UA_UInt32 *subscriptionId,
                            UA_StatusCode *result) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_Subscription *sub = UA_Session_getSubscriptionById(session, *subscriptionId);
    if(!sub) {
        *result = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    sub->currentLifetimeCount = 0; /* Reset the subscription lifetime */
    setPublishingEnabled(sub, *publishingEnabled); /* Set the publishing mode */
}

void
Service_SetPublishingMode(UA_Server *server, UA_Session *session,
                          const UA_SetPublishingModeRequest *request,
                          UA_SetPublishingModeResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing SetPublishingModeRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_Boolean publishingEnabled = request->publishingEnabled; /* request is const */
    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_SetPublishingMode,
                                           &publishingEnabled,
                                           &request->subscriptionIdsSize,
                                           &UA_TYPES[UA_TYPES_UINT32],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_STATUSCODE]);
}

UA_StatusCode
Service_Publish(UA_Server *server, UA_Session *session,
                const UA_PublishRequest *request, UA_UInt32 requestId) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing PublishRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Return an error if the session has no subscription */
    if(TAILQ_EMPTY(&session->subscriptions)) {
        sendServiceFault(session->header.channel, requestId,
                         request->requestHeader.requestHandle,
                         UA_STATUSCODE_BADNOSUBSCRIPTION);
        return UA_STATUSCODE_BADNOSUBSCRIPTION;
    }

    /* Handle too many subscriptions to free resources before trying to allocate
     * resources for the new publish request. If the limit has been reached the
     * oldest publish request shall be responded */
    if((server->config.maxPublishReqPerSession != 0) &&
       (session->responseQueueSize >= server->config.maxPublishReqPerSession)) {
        if(!UA_Session_reachedPublishReqLimit(server, session)) {
            sendServiceFault(session->header.channel, requestId,
                             request->requestHeader.requestHandle,
                             UA_STATUSCODE_BADINTERNALERROR);
            return UA_STATUSCODE_BADINTERNALERROR;
        }
    }

    /* Allocate the response to store it in the retransmission queue */
    UA_PublishResponseEntry *entry = (UA_PublishResponseEntry *)
        UA_malloc(sizeof(UA_PublishResponseEntry));
    if(!entry) {
        sendServiceFault(session->header.channel, requestId,
                         request->requestHeader.requestHandle,
                         UA_STATUSCODE_BADOUTOFMEMORY);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    /* Prepare the response */
    entry->requestId = requestId;
    UA_PublishResponse *response = &entry->response;
    UA_PublishResponse_init(response);
    response->responseHeader.requestHandle = request->requestHeader.requestHandle;

    /* Allocate the results array to acknowledge the acknowledge */
    if(request->subscriptionAcknowledgementsSize > 0) {
        response->results = (UA_StatusCode *)
            UA_Array_new(request->subscriptionAcknowledgementsSize,
                         &UA_TYPES[UA_TYPES_STATUSCODE]);
        if(!response->results) {
            UA_free(entry);
            sendServiceFault(session->header.channel, requestId,
                             request->requestHeader.requestHandle,
                             UA_STATUSCODE_BADOUTOFMEMORY);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        response->resultsSize = request->subscriptionAcknowledgementsSize;
    }

    /* <--- A good StatusCode is returned from here on ---> */

    /* Delete Acknowledged Subscription Messages */
    for(size_t i = 0; i < request->subscriptionAcknowledgementsSize; ++i) {
        UA_SubscriptionAcknowledgement *ack = &request->subscriptionAcknowledgements[i];
        UA_Subscription *sub = UA_Session_getSubscriptionById(session, ack->subscriptionId);
        if(!sub) {
            response->results[i] = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
            UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                                 "Cannot process acknowledgements subscription %u" PRIu32,
                                 ack->subscriptionId);
            continue;
        }
        /* Remove the acked transmission from the retransmission queue */
        response->results[i] =
            UA_Subscription_removeRetransmissionMessage(sub, ack->sequenceNumber);
    }

    /* Queue the publish response. It will be dequeued in a repeated publish
     * callback. This can also be triggered right now for a late
     * subscription. */
    UA_Session_queuePublishReq(session, entry, false);
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Queued a publication message");

    /* If we still had publish requests in the queue, none of the subscriptions
     * is late. So we don't have to search for one. */
    if(session->responseQueueSize > 1) {
        return UA_STATUSCODE_GOOD;
    }

    /* If there are late subscriptions, the new publish request is used to
     * answer them immediately. Late subscriptions with higher priority are
     * considered earlier. However, a single subscription that generates many
     * notifications must not "starve" other late subscriptions. Hence we move
     * it to the end of the queue for the subscriptions of that priority. */
    UA_Subscription *late, *late_tmp;
    TAILQ_FOREACH_SAFE(late, &session->subscriptions, sessionListEntry, late_tmp) {
        if(late->state != UA_SUBSCRIPTIONSTATE_LATE)
            continue;

        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, late,
                                  "Send PublishResponse on a late subscription");
        UA_Subscription_publishOnce(server, late);

        /* Skip re-insert if the subscription was deleted during publishOnce */
        if(late->session) {
            /* Find the first element with smaller priority and insert before
             * that. If there is none, insert at the end of the queue. */
            UA_Subscription *after = TAILQ_NEXT(late, sessionListEntry);
            while(after && after->priority >= late->priority)
                after = TAILQ_NEXT(after, sessionListEntry);
            TAILQ_REMOVE(&session->subscriptions, late, sessionListEntry);
            if(after)
                TAILQ_INSERT_BEFORE(after, late, sessionListEntry);
            else
                TAILQ_INSERT_TAIL(&session->subscriptions, late, sessionListEntry);
        }

        /* In case of an error we might not have used the publish request that
         * was just enqueued. Continue to find late subscriptions in that
         * case. */
        if(session->responseQueueSize == 0)
            break;
    }

    return UA_STATUSCODE_GOOD;
}

static void
Operation_DeleteSubscription(UA_Server *server, UA_Session *session, void *_,
                             const UA_UInt32 *subscriptionId, UA_StatusCode *result) {
    UA_Subscription *sub = UA_Session_getSubscriptionById(session, *subscriptionId);
    if(!sub) {
        *result = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                             "Deleting Subscription with Id %" PRIu32
                             " failed with error code %s",
                             *subscriptionId, UA_StatusCode_name(*result));
        return;
    }

    UA_Subscription_delete(server, sub);
    *result = UA_STATUSCODE_GOOD;
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Subscription %" PRIu32 " | Subscription deleted",
                         *subscriptionId);
}

void
Service_DeleteSubscriptions(UA_Server *server, UA_Session *session,
                            const UA_DeleteSubscriptionsRequest *request,
                            UA_DeleteSubscriptionsResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing DeleteSubscriptionsRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                  (UA_ServiceOperation)Operation_DeleteSubscription, NULL,
                  &request->subscriptionIdsSize, &UA_TYPES[UA_TYPES_UINT32],
                  &response->resultsSize, &UA_TYPES[UA_TYPES_STATUSCODE]);
}

void
Service_Republish(UA_Server *server, UA_Session *session,
                  const UA_RepublishRequest *request,
                  UA_RepublishResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing RepublishRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Get the subscription */
    UA_Subscription *sub = UA_Session_getSubscriptionById(session, request->subscriptionId);
    if(!sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    /* Reset the subscription lifetime */
    sub->currentLifetimeCount = 0;

    /* Update the subscription statistics */
#ifdef UA_ENABLE_DIAGNOSTICS
    sub->republishRequestCount++;
#endif

    /* Find the notification in the retransmission queue  */
    UA_NotificationMessageEntry *entry;
    TAILQ_FOREACH(entry, &sub->retransmissionQueue, listEntry) {
        if(entry->message.sequenceNumber == request->retransmitSequenceNumber)
            break;
    }
    if(!entry) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADMESSAGENOTAVAILABLE;
        return;
    }

    response->responseHeader.serviceResult =
        UA_NotificationMessage_copy(&entry->message, &response->notificationMessage);

    /* Update the subscription statistics for the case where we return a message */
#ifdef UA_ENABLE_DIAGNOSTICS
    sub->republishMessageCount++;
#endif
}

static UA_StatusCode
setTransferredSequenceNumbers(const UA_Subscription *sub, UA_TransferResult *result) {
    /* Allocate memory */
    result->availableSequenceNumbers = (UA_UInt32*)
        UA_Array_new(sub->retransmissionQueueSize, &UA_TYPES[UA_TYPES_UINT32]);
    if(!result->availableSequenceNumbers)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    result->availableSequenceNumbersSize = sub->retransmissionQueueSize;

    /* Copy over the sequence numbers */
    UA_NotificationMessageEntry *entry;
    size_t i = 0;
    TAILQ_FOREACH(entry, &sub->retransmissionQueue, listEntry) {
        result->availableSequenceNumbers[i] = entry->message.sequenceNumber;
        i++;
    }

    UA_assert(i == result->availableSequenceNumbersSize);

    return UA_STATUSCODE_GOOD;
}

static void
Operation_TransferSubscription(UA_Server *server, UA_Session *session,
                               const UA_Boolean *sendInitialValues,
                               const UA_UInt32 *subscriptionId,
                               UA_TransferResult *result) {
    /* Get the subscription. This requires a server-wide lookup instead of the
     * usual session-wide lookup. */
    UA_Subscription *sub = UA_Server_getSubscriptionById(server, *subscriptionId);
    if(!sub) {
        result->statusCode = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    /* Update the diagnostics statistics */
#ifdef UA_ENABLE_DIAGNOSTICS
    sub->transferRequestCount++;
#endif

    /* Is this the same session? Return the sequence numbers and do nothing else. */
    UA_Session *oldSession = sub->session;
    if(oldSession == session) {
        result->statusCode = setTransferredSequenceNumbers(sub, result);
#ifdef UA_ENABLE_DIAGNOSTICS
        sub->transferredToSameClientCount++;
#endif
        return;
    }

    /* Check with AccessControl if the transfer is allowed */
    if(!server->config.accessControl.allowTransferSubscription ||
       !server->config.accessControl.
       allowTransferSubscription(server, &server->config.accessControl,
                                 oldSession ? &oldSession->sessionId : NULL,
                                 oldSession ? oldSession->sessionHandle : NULL,
                                 &session->sessionId, session->sessionHandle)) {
        result->statusCode = UA_STATUSCODE_BADUSERACCESSDENIED;
        return;
    }

    /* Check limits for the number of subscriptions for this Session */
    if((server->config.maxSubscriptionsPerSession != 0) &&
       (session->subscriptionsSize >= server->config.maxSubscriptionsPerSession)) {
        result->statusCode = UA_STATUSCODE_BADTOOMANYSUBSCRIPTIONS;
        return;
    }

    /* Allocate memory for the new subscription */
    UA_Subscription *newSub = (UA_Subscription*)UA_malloc(sizeof(UA_Subscription));
    if(!newSub) {
        result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    /* Set the available sequence numbers */
    result->statusCode = setTransferredSequenceNumbers(sub, result);
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        UA_free(newSub);
        return;
    }

    /* Create an identical copy of the Subscription struct. The original
     * subscription remains in place until a StatusChange notification has been
     * sent. The elements for lists and queues are moved over manually to ensure
     * that all backpointers are set correctly. */
    memcpy(newSub, sub, sizeof(UA_Subscription));

    /* Register cyclic publish callback */
    result->statusCode = Subscription_registerPublishCallback(server, newSub);
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        UA_Array_delete(result->availableSequenceNumbers,
                        sub->retransmissionQueueSize, &UA_TYPES[UA_TYPES_UINT32]);
        result->availableSequenceNumbers = NULL;
        result->availableSequenceNumbersSize = 0;
        UA_free(newSub);
        return;
    }

    /* <-- The point of no return --> */

    /* Move over the MonitoredItems and adjust the backpointers */
    LIST_INIT(&newSub->monitoredItems);
    UA_MonitoredItem *mon, *mon_tmp;
    LIST_FOREACH_SAFE(mon, &sub->monitoredItems, listEntry, mon_tmp) {
        LIST_REMOVE(mon, listEntry);
        mon->subscription = newSub;
        LIST_INSERT_HEAD(&newSub->monitoredItems, mon, listEntry);
    }
    sub->monitoredItemsSize = 0;

    /* Move over the notification queue */
    TAILQ_INIT(&newSub->notificationQueue);
    UA_Notification *nn, *nn_tmp;
    TAILQ_FOREACH_SAFE(nn, &sub->notificationQueue, globalEntry, nn_tmp) {
        TAILQ_REMOVE(&sub->notificationQueue, nn, globalEntry);
        TAILQ_INSERT_TAIL(&newSub->notificationQueue, nn, globalEntry);
    }
    sub->notificationQueueSize = 0;
    sub->dataChangeNotifications = 0;
    sub->eventNotifications = 0;

    TAILQ_INIT(&newSub->retransmissionQueue);
    UA_NotificationMessageEntry *nme, *nme_tmp;
    TAILQ_FOREACH_SAFE(nme, &sub->retransmissionQueue, listEntry, nme_tmp) {
        TAILQ_REMOVE(&sub->retransmissionQueue, nme, listEntry);
        TAILQ_INSERT_TAIL(&newSub->retransmissionQueue, nme, listEntry);
        if(oldSession)
            oldSession->totalRetransmissionQueueSize -= 1;
        sub->retransmissionQueueSize -= 1;
    }
    UA_assert(sub->retransmissionQueueSize == 0);
    sub->retransmissionQueueSize = 0;

    /* Add to the server */
    UA_assert(newSub->subscriptionId == sub->subscriptionId);
    LIST_INSERT_HEAD(&server->subscriptions, newSub, serverListEntry);
    server->subscriptionsSize++;

    /* Attach to the session */
    UA_Session_attachSubscription(session, newSub);

    UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, newSub, "Transferred to this Session");

    /* Set StatusChange in the original subscription and force publish. This
     * also removes the Subscription, even if there was no PublishResponse
     * queued to send a StatusChangeNotification. */
    sub->statusChange = UA_STATUSCODE_GOODSUBSCRIPTIONTRANSFERRED;
    UA_Subscription_publish(server, sub);

    /* The original subscription has been deactivated */
    UA_assert(sub->publishCallbackId == 0);

    /* Re-create notifications with the current values for the new subscription */
    if(*sendInitialValues) {
        LIST_FOREACH(mon, &newSub->monitoredItems, listEntry) {

            /* Create only DataChange notifications */
            if(mon->itemToMonitor.attributeId == UA_ATTRIBUTEID_EVENTNOTIFIER)
                continue;

            /* Only if the mode is monitoring */
            if(mon->monitoringMode != UA_MONITORINGMODE_REPORTING)
                continue;

            /* If a value is queued for a data MonitoredItem, the next value in
             * the queue is sent in the Publish response. */
            if(mon->queueSize > 0)
                continue;

            /* Create a notification with the last sampled value */
            UA_MonitoredItem_createDataChangeNotification(server, newSub, mon,
                                                          &mon->lastValue);
        }
    }

    /* Do not update the statistics for the number of Subscriptions here. The
     * fact that we duplicate the subscription and move over the content is just
     * an implementtion detail.
     * server->serverDiagnosticsSummary.currentSubscriptionCount++;
     * server->serverDiagnosticsSummary.cumulatedSubscriptionCount++;
     *
     * Update the diagnostics statistics: */
#ifdef UA_ENABLE_DIAGNOSTICS
    if(oldSession &&
       UA_order(&oldSession->clientDescription,
                &session->clientDescription,
                &UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION]) == UA_ORDER_EQ)
        sub->transferredToSameClientCount++;
    else
        sub->transferredToAltClientCount++;
#endif

    /* Immediately try to publish on the new Subscription. This might put it
     * into the "late subscription" mode. */
    UA_Subscription_publish(server, newSub);
}

void Service_TransferSubscriptions(UA_Server *server, UA_Session *session,
                                   const UA_TransferSubscriptionsRequest *request,
                                   UA_TransferSubscriptionsResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing TransferSubscriptionsRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                  (UA_ServiceOperation)Operation_TransferSubscription,
                  &request->sendInitialValues,
                  &request->subscriptionIdsSize, &UA_TYPES[UA_TYPES_UINT32],
                  &response->resultsSize, &UA_TYPES[UA_TYPES_TRANSFERRESULT]);
}

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/**** amalgamated original file "/src/server/ua_services_monitoreditem.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2016-2017 (c) Florian Palm
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2018 (c) Ari Breitkreuz, fortiss GmbH
 *    Copyright 2017 (c) Mattias Bornhager
 *    Copyright 2017 (c) Henrik Norrman
 *    Copyright 2017-2023 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2018 (c) Fabian Arndt, Root-Core
 *    Copyright 2020 (c) Kalycito Infotech Private Limited
 *    Copyright 2021 (c) Uranik, Berisha
 *    Copyright 2021 (c) Ammar, Morshed
 *    Copyright 2021 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 */


#ifdef UA_ENABLE_SUBSCRIPTIONS /* conditional compilation */

#ifdef UA_ENABLE_DA

/* Translate a percentage deadband into an absolute deadband based on the
 * UARange property of the variable */
static UA_StatusCode
setAbsoluteFromPercentageDeadband(UA_Server *server, UA_Session *session,
                                  const UA_MonitoredItem *mon, UA_DataChangeFilter *filter) {
    /* A valid deadband? */
    if(filter->deadbandValue < 0.0 || filter->deadbandValue > 100.0)
        return UA_STATUSCODE_BADDEADBANDFILTERINVALID;

    /* Browse for the percent range */
    UA_QualifiedName qn = UA_QUALIFIEDNAME(0, "EURange");
    UA_BrowsePathResult bpr =
        browseSimplifiedBrowsePath(server, mon->itemToMonitor.nodeId, 1, &qn);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        UA_BrowsePathResult_clear(&bpr);
        return UA_STATUSCODE_BADFILTERNOTALLOWED;
    }

    /* Read the range */
    UA_ReadValueId rvi;
    UA_ReadValueId_init(&rvi);
    rvi.nodeId = bpr.targets->targetId.nodeId;
    rvi.attributeId = UA_ATTRIBUTEID_VALUE;
    UA_DataValue rangeVal = UA_Server_readWithSession(server, session, &rvi,
                                                      UA_TIMESTAMPSTORETURN_NEITHER);
    UA_BrowsePathResult_clear(&bpr);
    if(!UA_Variant_isScalar(&rangeVal.value) ||
       rangeVal.value.type != &UA_TYPES[UA_TYPES_RANGE]) {
        UA_DataValue_clear(&rangeVal);
        return UA_STATUSCODE_BADFILTERNOTALLOWED;
    }

    /* Compute the abs deadband */
    UA_Range *euRange = (UA_Range*)rangeVal.value.data;
    UA_Double absDeadband = (filter->deadbandValue/100.0) * (euRange->high - euRange->low);

    UA_DataValue_clear(&rangeVal);

    /* EURange invalid or NaN? */
    if(absDeadband < 0.0 || absDeadband != absDeadband) {
        UA_DataValue_clear(&rangeVal);
        return UA_STATUSCODE_BADFILTERNOTALLOWED;
    }

    /* Adjust the original filter */
    filter->deadbandType = UA_DEADBANDTYPE_ABSOLUTE;
    filter->deadbandValue = absDeadband;
    return UA_STATUSCODE_GOOD;
}

#endif /* UA_ENABLE_DA */

void
Service_SetTriggering(UA_Server *server, UA_Session *session,
                      const UA_SetTriggeringRequest *request,
                      UA_SetTriggeringResponse *response) {
    /* Nothing to do? */
    if(request->linksToRemoveSize == 0 &&
       request->linksToAddSize == 0) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO;
        return;
    }

    /* Get the Subscription */
    UA_Subscription *sub = UA_Session_getSubscriptionById(session, request->subscriptionId);
    if(!sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }
    
    /* Get the MonitoredItem */
    UA_MonitoredItem *mon = UA_Subscription_getMonitoredItem(sub, request->triggeringItemId);
    if(!mon) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADMONITOREDITEMIDINVALID;
        return;
    }

    /* Allocate the results arrays */
    if(request->linksToRemoveSize > 0) {
        response->removeResults = (UA_StatusCode*)
            UA_Array_new(request->linksToRemoveSize, &UA_TYPES[UA_TYPES_STATUSCODE]);
        if(!response->removeResults) {
            response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
            return;
        }
        response->removeResultsSize = request->linksToRemoveSize;
    }

    if(request->linksToAddSize> 0) {
        response->addResults = (UA_StatusCode*)
            UA_Array_new(request->linksToAddSize, &UA_TYPES[UA_TYPES_STATUSCODE]);
        if(!response->addResults) {
            UA_Array_delete(response->removeResults,
                            request->linksToAddSize, &UA_TYPES[UA_TYPES_STATUSCODE]);
            response->removeResults = NULL;
            response->removeResultsSize = 0;
            response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
            return;
        }
        response->addResultsSize = request->linksToAddSize;
    }

    /* Apply the changes */
    for(size_t i = 0; i < request->linksToRemoveSize; i++)
        response->removeResults[i] =
            UA_MonitoredItem_removeLink(sub, mon, request->linksToRemove[i]);

    for(size_t i = 0; i < request->linksToAddSize; i++)
        response->addResults[i] =
            UA_MonitoredItem_addLink(sub, mon, request->linksToAdd[i]);
}

/* Verify and adjust the parameters of a MonitoredItem */
static UA_StatusCode
checkAdjustMonitoredItemParams(UA_Server *server, UA_Session *session,
                               const UA_MonitoredItem *mon,
                               const UA_DataType* valueType,
                               UA_MonitoringParameters *params) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Check the filter */
    if(mon->itemToMonitor.attributeId == UA_ATTRIBUTEID_EVENTNOTIFIER) {
        /* Event MonitoredItems need a filter */
#ifndef UA_ENABLE_SUBSCRIPTIONS_EVENTS
        return UA_STATUSCODE_BADNOTSUPPORTED;
#else
        if(params->filter.encoding != UA_EXTENSIONOBJECT_DECODED &&
           params->filter.encoding != UA_EXTENSIONOBJECT_DECODED_NODELETE)
            return UA_STATUSCODE_BADEVENTFILTERINVALID;
        if(params->filter.content.decoded.type != &UA_TYPES[UA_TYPES_EVENTFILTER])
            return UA_STATUSCODE_BADEVENTFILTERINVALID;
#endif
    } else {
        /* DataChange MonitoredItem. Can be "no filter" which defaults to
         * triggering on Status and Value. */
        if(params->filter.encoding != UA_EXTENSIONOBJECT_DECODED &&
           params->filter.encoding != UA_EXTENSIONOBJECT_DECODED_NODELETE &&
           params->filter.encoding != UA_EXTENSIONOBJECT_ENCODED_NOBODY)
            return UA_STATUSCODE_BADMONITOREDITEMFILTERUNSUPPORTED;

        /* If the filter ExtensionObject has a body, then it must be a
         * DataChangeFilter */
        if(params->filter.encoding != UA_EXTENSIONOBJECT_ENCODED_NOBODY &&
           params->filter.content.decoded.type != &UA_TYPES[UA_TYPES_DATACHANGEFILTER])
            return UA_STATUSCODE_BADFILTERNOTALLOWED;

        /* Check the deadband and adjust if necessary. */
        if(params->filter.content.decoded.type == &UA_TYPES[UA_TYPES_DATACHANGEFILTER]) {
            UA_DataChangeFilter *filter = (UA_DataChangeFilter *)
                params->filter.content.decoded.data;
            switch(filter->deadbandType) {
            case UA_DEADBANDTYPE_NONE:
                break;
            case UA_DEADBANDTYPE_ABSOLUTE:
                if(mon->itemToMonitor.attributeId != UA_ATTRIBUTEID_VALUE ||
                   !valueType || !UA_DataType_isNumeric(valueType))
                    return UA_STATUSCODE_BADFILTERNOTALLOWED;
                break;
#ifdef UA_ENABLE_DA
            case UA_DEADBANDTYPE_PERCENT: {
                if(mon->itemToMonitor.attributeId != UA_ATTRIBUTEID_VALUE ||
                   !valueType || !UA_DataType_isNumeric(valueType))
                    return UA_STATUSCODE_BADFILTERNOTALLOWED;
                /* If percentage deadband is supported, look up the range values
                 * and precompute as if it was an absolute deadband. */
                UA_StatusCode res =
                    setAbsoluteFromPercentageDeadband(server, session, mon, filter);
                if(res != UA_STATUSCODE_GOOD)
                    return res;
                break;
            }
#endif
            default:
                return UA_STATUSCODE_BADMONITOREDITEMFILTERUNSUPPORTED;
            }
        }
    }

    /* Read the minimum sampling interval for the variable. The sampling
     * interval of the MonitoredItem must not be less than that. */
    if(mon->itemToMonitor.attributeId == UA_ATTRIBUTEID_VALUE) {
        const UA_Node *node = UA_NODESTORE_GET(server, &mon->itemToMonitor.nodeId);
        if(node) {
            const UA_VariableNode *vn = &node->variableNode;
            if(node->head.nodeClass == UA_NODECLASS_VARIABLE) {
                /* Take into account if the publishing interval is used for sampling */
                UA_Double samplingInterval = params->samplingInterval;
                if(samplingInterval < 0 && mon->subscription)
                    samplingInterval = mon->subscription->publishingInterval;
                /* Adjust if smaller than the allowed minimum for the variable */
                if(samplingInterval < vn->minimumSamplingInterval)
                    params->samplingInterval = vn->minimumSamplingInterval;
            }
            UA_NODESTORE_RELEASE(server, node);
        }
    }
        
    /* Adjust sampling interval */
    if(params->samplingInterval < 0.0) {
        /* A negative number indicates that the sampling interval is the
         * publishing interval of the Subscription. */
        if(!mon->subscription) {
            /* Not possible for local MonitoredItems */
            params->samplingInterval = server->config.samplingIntervalLimits.min;
        } else {
            /* Test if the publishing interval is a valid sampling interval. If
             * not, adjust to lie within the limits. */
            UA_BOUNDEDVALUE_SETWBOUNDS(server->config.samplingIntervalLimits,
                                       mon->subscription->publishingInterval,
                                       params->samplingInterval);
            if(params->samplingInterval == mon->subscription->publishingInterval) {
                /* The publishing interval is valid also for sampling. The
                 * standard says any negative number is interpreted as -1.*/
                params->samplingInterval = -1.0;
            }
        }
    } else {
        /* Adjust positive sampling interval to lie within the limits */
        UA_BOUNDEDVALUE_SETWBOUNDS(server->config.samplingIntervalLimits,
                                   params->samplingInterval, params->samplingInterval);
        /* Check for NaN */
        if(mon->parameters.samplingInterval != mon->parameters.samplingInterval)
            params->samplingInterval = server->config.samplingIntervalLimits.min;
    }

    /* Adjust the maximum queue size */
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    if(mon->itemToMonitor.attributeId == UA_ATTRIBUTEID_EVENTNOTIFIER) {
        /* 0 => Set to the configured maximum. Otherwise adjust with configured limits */
        if(params->queueSize == 0) {
            params->queueSize = server->config.queueSizeLimits.max;
        } else {
            UA_BOUNDEDVALUE_SETWBOUNDS(server->config.queueSizeLimits,
                                       params->queueSize, params->queueSize);
        }
    } else
#endif
    {
        /* 0 or 1 => queue-size 1. Otherwise adjust with configured limits */
        if(params->queueSize == 0)
            params->queueSize = 1;
        if(params->queueSize != 1)
            UA_BOUNDEDVALUE_SETWBOUNDS(server->config.queueSizeLimits,
                                       params->queueSize, params->queueSize);
    }

    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
static UA_StatusCode
checkEventFilterParam(UA_Server *server, UA_Session *session,
                      const UA_MonitoredItem *mon,
                      UA_MonitoringParameters *params){
    if(mon->itemToMonitor.attributeId != UA_ATTRIBUTEID_EVENTNOTIFIER)
        return UA_STATUSCODE_GOOD;

    UA_EventFilter *eventFilter =
        (UA_EventFilter *) params->filter.content.decoded.data;

    if(eventFilter == NULL)
        return UA_STATUSCODE_BADEVENTFILTERINVALID;

    //TODO make the maximum select clause size param an server-config parameter
    if(eventFilter->selectClausesSize > 128)
        return UA_STATUSCODE_BADCONFIGURATIONERROR;

    //check the where clause for logical consistency
    if(eventFilter->whereClause.elementsSize != 0) {
        UA_ContentFilterResult contentFilterResult;
        UA_Event_staticWhereClauseValidation(server, &eventFilter->whereClause,
                                             &contentFilterResult);
        for(size_t i = 0; i < contentFilterResult.elementResultsSize; ++i) {
            if(contentFilterResult.elementResults[i].statusCode != UA_STATUSCODE_GOOD){
                //ToDo currently we return the first non good status code, check if
                //we can use the detailed contentFilterResult later
                UA_StatusCode whereResult =
                    contentFilterResult.elementResults[i].statusCode;
                UA_ContentFilterResult_clear(&contentFilterResult);
                return whereResult;
            }
        }
        UA_ContentFilterResult_clear(&contentFilterResult);
    }
    //check the select clause for logical consistency
    UA_StatusCode selectClauseValidationResult[128];
    UA_Event_staticSelectClauseValidation(server,eventFilter,
                                          selectClauseValidationResult);
    for(size_t i = 0; i < eventFilter->selectClausesSize; ++i){
        //ToDo currently we return the first non good status code, check if
        //we can use the detailed status code list later
        if(selectClauseValidationResult[i] != UA_STATUSCODE_GOOD){
            return selectClauseValidationResult[i];
        }
    }

    return UA_STATUSCODE_GOOD;
}
#endif

static const UA_String
binaryEncoding = {sizeof("Default Binary") - 1, (UA_Byte *)"Default Binary"};

/* Structure to pass additional arguments into the operation */
struct createMonContext {
    UA_Subscription *sub;
    UA_TimestampsToReturn timestampsToReturn;

    /* If sub is NULL, use local callbacks */
    UA_Server_DataChangeNotificationCallback dataChangeCallback;
    void *context;
};

static void
Operation_CreateMonitoredItem(UA_Server *server, UA_Session *session,
                              struct createMonContext *cmc,
                              const UA_MonitoredItemCreateRequest *request,
                              UA_MonitoredItemCreateResult *result) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Check available capacity */
    if(cmc->sub &&
       (((server->config.maxMonitoredItems != 0) &&
         (server->monitoredItemsSize >= server->config.maxMonitoredItems)) ||
        ((server->config.maxMonitoredItemsPerSubscription != 0) &&
         (cmc->sub->monitoredItemsSize >= server->config.maxMonitoredItemsPerSubscription)))) {
        result->statusCode = UA_STATUSCODE_BADTOOMANYMONITOREDITEMS;
        return;
    }

    /* Check if the encoding is supported */
    if(request->itemToMonitor.dataEncoding.name.length > 0 &&
       (!UA_String_equal(&binaryEncoding, &request->itemToMonitor.dataEncoding.name) ||
        request->itemToMonitor.dataEncoding.namespaceIndex != 0)) {
        result->statusCode = UA_STATUSCODE_BADDATAENCODINGUNSUPPORTED;
        return;
    }

    /* Check if the encoding is set for a value */
    if(request->itemToMonitor.attributeId != UA_ATTRIBUTEID_VALUE &&
       request->itemToMonitor.dataEncoding.name.length > 0) {
        result->statusCode = UA_STATUSCODE_BADDATAENCODINGINVALID;
        return;
    }

    /* Make an example read to check the itemToMonitor. The DataSource itself
     * could return a (temporary) error. This should still result in a valid
     * MonitoredItem. Only a few StatusCodes are considered unrecoverable and
     * lead to an abort:
     * - The Node does not exist
     * - The AttributeId does not match the NodeClass
     * - The Session does not have sufficient access rights
     * - The indicated encoding is not supported or not valid */
    UA_DataValue v = UA_Server_readWithSession(server, session, &request->itemToMonitor,
                                               cmc->timestampsToReturn);
    if(v.hasStatus &&
       (v.status == UA_STATUSCODE_BADNODEIDUNKNOWN ||
        v.status == UA_STATUSCODE_BADATTRIBUTEIDINVALID ||
        v.status == UA_STATUSCODE_BADDATAENCODINGUNSUPPORTED ||
        v.status == UA_STATUSCODE_BADDATAENCODINGINVALID ||
        v.status == UA_STATUSCODE_BADINDEXRANGEINVALID
        /* Part 4, 5.12.2 CreateMonitoredItems: When a user adds a monitored
         * item that the user is denied read access to, the add operation for
         * the item shall succeed and the bad status Bad_NotReadable or
         * Bad_UserAccessDenied shall be returned in the Publish response.
         * v.status == UA_STATUSCODE_BADNOTREADABLE
         * v.status == UA_STATUSCODE_BADUSERACCESSDENIED
         *
         * The IndexRange error can change depending on the value.
         * v.status == UA_STATUSCODE_BADINDEXRANGENODATA */
        )) {
        result->statusCode = v.status;
        UA_DataValue_clear(&v);
        return;
    }

    /* Adding an Event MonitoredItem */
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    if(request->itemToMonitor.attributeId == UA_ATTRIBUTEID_EVENTNOTIFIER) {
        /* TODO: Only remote clients can add Event-MonitoredItems at the moment */
        if(!cmc->sub) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Only remote clients can add Event-MonitoredItems");
            result->statusCode = UA_STATUSCODE_BADNOTSUPPORTED;
            UA_DataValue_clear(&v);
            return;
        }

        /* If the 'SubscribeToEvents' bit of EventNotifier attribute is
         * zero, then the object cannot be subscribed to monitor events */
        if(!v.hasValue || !v.value.data) {
            result->statusCode = UA_STATUSCODE_BADINTERNALERROR;
            UA_DataValue_clear(&v);
            return;
        }
        UA_Byte eventNotifierValue = *((UA_Byte *)v.value.data);
        if((eventNotifierValue & 0x01) != 1) {
            result->statusCode = UA_STATUSCODE_BADNOTSUPPORTED;
            UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, cmc->sub,
                                     "Could not create a MonitoredItem as the "
                                     "'SubscribeToEvents' bit of the EventNotifier "
                                     "attribute is not set");
            UA_DataValue_clear(&v);
            return;
        }
    }
#endif

    const UA_DataType *valueType = v.value.type;
    UA_DataValue_clear(&v);

    /* Allocate the MonitoredItem */
    UA_MonitoredItem *newMon = NULL;
    if(cmc->sub) {
        newMon = (UA_MonitoredItem*)UA_malloc(sizeof(UA_MonitoredItem));
    } else {
        UA_LocalMonitoredItem *localMon = (UA_LocalMonitoredItem*)
            UA_malloc(sizeof(UA_LocalMonitoredItem));
        if(localMon) {
            /* Set special values only for the LocalMonitoredItem */
            localMon->context = cmc->context;
            localMon->callback.dataChangeCallback = cmc->dataChangeCallback;
        }
        newMon = &localMon->monitoredItem;
    }
    if(!newMon) {
        result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }

    /* Initialize the MonitoredItem */
    UA_MonitoredItem_init(newMon);
    newMon->subscription = cmc->sub; /* Can be NULL for local MonitoredItems */
    newMon->timestampsToReturn = cmc->timestampsToReturn;
    result->statusCode |= UA_ReadValueId_copy(&request->itemToMonitor,
                                              &newMon->itemToMonitor);
    result->statusCode |= UA_MonitoringParameters_copy(&request->requestedParameters,
                                                       &newMon->parameters);
    result->statusCode |= checkAdjustMonitoredItemParams(server, session, newMon,
                                                         valueType, &newMon->parameters);
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    result->statusCode |= checkEventFilterParam(server, session, newMon,
                                                         &newMon->parameters);
#endif
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, cmc->sub,
                                 "Could not create a MonitoredItem "
                                 "with StatusCode %s",
                                 UA_StatusCode_name(result->statusCode));
        UA_MonitoredItem_delete(server, newMon);
        return;
    }

    /* Initialize the value status so the first sample always passes the filter */
    newMon->lastValue.hasStatus = true;
    newMon->lastValue.status = ~(UA_StatusCode)0;

    /* Register the Monitoreditem in the server and subscription */
    UA_Server_registerMonitoredItem(server, newMon);

    /* Activate the MonitoredItem */
    result->statusCode |=
        UA_MonitoredItem_setMonitoringMode(server, newMon, request->monitoringMode);
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        UA_MonitoredItem_delete(server, newMon);
        return;
    }

    /* Prepare the response */
    result->revisedSamplingInterval = newMon->parameters.samplingInterval;
    result->revisedQueueSize = newMon->parameters.queueSize;
    result->monitoredItemId = newMon->monitoredItemId;

    UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, cmc->sub,
                             "MonitoredItem %" PRIi32 " | "
                             "Created the MonitoredItem "
                             "(Sampling Interval: %.2fms, Queue Size: %lu)",
                             newMon->monitoredItemId,
                             newMon->parameters.samplingInterval,
                             (unsigned long)newMon->parameters.queueSize);
}

void
Service_CreateMonitoredItems(UA_Server *server, UA_Session *session,
                             const UA_CreateMonitoredItemsRequest *request,
                             UA_CreateMonitoredItemsResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing CreateMonitoredItemsRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxMonitoredItemsPerCall != 0 &&
       request->itemsToCreateSize > server->config.maxMonitoredItemsPerCall) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    /* Check if the timestampstoreturn is valid */
    struct createMonContext cmc;
    cmc.timestampsToReturn = request->timestampsToReturn;
    if(cmc.timestampsToReturn > UA_TIMESTAMPSTORETURN_NEITHER) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTIMESTAMPSTORETURNINVALID;
        return;
    }

    /* Find the subscription */
    cmc.sub = UA_Session_getSubscriptionById(session, request->subscriptionId);
    if(!cmc.sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    /* Reset the subscription lifetime */
    cmc.sub->currentLifetimeCount = 0;

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_CreateMonitoredItem,
                                           &cmc, &request->itemsToCreateSize,
                                           &UA_TYPES[UA_TYPES_MONITOREDITEMCREATEREQUEST],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_MONITOREDITEMCREATERESULT]);
}

UA_MonitoredItemCreateResult
UA_Server_createDataChangeMonitoredItem(UA_Server *server,
                                        UA_TimestampsToReturn timestampsToReturn,
                                        const UA_MonitoredItemCreateRequest item,
                                        void *monitoredItemContext,
                                        UA_Server_DataChangeNotificationCallback callback) {
    struct createMonContext cmc;
    cmc.sub = NULL;
    cmc.context = monitoredItemContext;
    cmc.dataChangeCallback = callback;
    cmc.timestampsToReturn = timestampsToReturn;

    UA_MonitoredItemCreateResult result;
    UA_MonitoredItemCreateResult_init(&result);
    UA_LOCK(&server->serviceMutex);
    Operation_CreateMonitoredItem(server, &server->adminSession, &cmc, &item, &result);
    UA_UNLOCK(&server->serviceMutex);
    return result;
}

static void
Operation_ModifyMonitoredItem(UA_Server *server, UA_Session *session, UA_Subscription *sub,
                              const UA_MonitoredItemModifyRequest *request,
                              UA_MonitoredItemModifyResult *result) {
    /* Get the MonitoredItem */
    UA_MonitoredItem *mon = UA_Subscription_getMonitoredItem(sub, request->monitoredItemId);
    if(!mon) {
        result->statusCode = UA_STATUSCODE_BADMONITOREDITEMIDINVALID;
        return;
    }

    /* Make local copy of the settings */
    UA_MonitoringParameters params;
    result->statusCode =
        UA_MonitoringParameters_copy(&request->requestedParameters, &params);
    if(result->statusCode != UA_STATUSCODE_GOOD)
        return;

    /* Read the current value to test if filters are possible.
     * Can return an empty value (v.value.type == NULL). */
    UA_DataValue v =
        UA_Server_readWithSession(server, session, &mon->itemToMonitor,
                                  mon->timestampsToReturn);

    /* Verify and adjust the new parameters. This still leaves the original
     * MonitoredItem untouched. */
    result->statusCode =
        checkAdjustMonitoredItemParams(server, session, mon,
                                       v.value.type, &params);
    UA_DataValue_clear(&v);
    if(result->statusCode != UA_STATUSCODE_GOOD) {
        UA_MonitoringParameters_clear(&params);
        return;
    }

    /* Store the old sampling interval */
    UA_Double oldSamplingInterval = mon->parameters.samplingInterval;

    /* Move over the new settings */
    UA_MonitoringParameters_clear(&mon->parameters);
    mon->parameters = params;

    /* Re-register the callback if necessary */
    if(oldSamplingInterval != mon->parameters.samplingInterval) {
        UA_MonitoredItem_unregisterSampling(server, mon);
        result->statusCode =
            UA_MonitoredItem_setMonitoringMode(server, mon, mon->monitoringMode);
    }

    result->revisedSamplingInterval = mon->parameters.samplingInterval;
    result->revisedQueueSize = mon->parameters.queueSize;

    /* Remove some notifications if the queue is now too small */
    UA_MonitoredItem_ensureQueueSpace(server, mon);

    /* Remove the overflow bits if the queue has now a size of 1 */
    UA_MonitoredItem_removeOverflowInfoBits(mon);

    UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, sub,
                             "MonitoredItem %" PRIi32 " | "
                             "Modified the MonitoredItem "
                             "(Sampling Interval: %fms, Queue Size: %lu)",
                             mon->monitoredItemId,
                             mon->parameters.samplingInterval,
                             (unsigned long)mon->queueSize);
}

void
Service_ModifyMonitoredItems(UA_Server *server, UA_Session *session,
                             const UA_ModifyMonitoredItemsRequest *request,
                             UA_ModifyMonitoredItemsResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing ModifyMonitoredItemsRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxMonitoredItemsPerCall != 0 &&
       request->itemsToModifySize > server->config.maxMonitoredItemsPerCall) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    /* Check if the timestampstoreturn is valid */
    if(request->timestampsToReturn > UA_TIMESTAMPSTORETURN_NEITHER) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTIMESTAMPSTORETURNINVALID;
        return;
    }

    /* Get the subscription */
    UA_Subscription *sub = UA_Session_getSubscriptionById(session, request->subscriptionId);
    if(!sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    sub->currentLifetimeCount = 0; /* Reset the subscription lifetime */

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_ModifyMonitoredItem,
                                           sub, &request->itemsToModifySize,
                                           &UA_TYPES[UA_TYPES_MONITOREDITEMMODIFYREQUEST],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_MONITOREDITEMMODIFYRESULT]);
}

struct setMonitoringContext {
    UA_Subscription *sub;
    UA_MonitoringMode monitoringMode;
};

static void
Operation_SetMonitoringMode(UA_Server *server, UA_Session *session,
                            struct setMonitoringContext *smc,
                            const UA_UInt32 *monitoredItemId, UA_StatusCode *result) {
    UA_MonitoredItem *mon = UA_Subscription_getMonitoredItem(smc->sub, *monitoredItemId);
    if(!mon) {
        *result = UA_STATUSCODE_BADMONITOREDITEMIDINVALID;
        return;
    }
    *result = UA_MonitoredItem_setMonitoringMode(server, mon, smc->monitoringMode);
}

void
Service_SetMonitoringMode(UA_Server *server, UA_Session *session,
                          const UA_SetMonitoringModeRequest *request,
                          UA_SetMonitoringModeResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing SetMonitoringMode");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxMonitoredItemsPerCall != 0 &&
       request->monitoredItemIdsSize > server->config.maxMonitoredItemsPerCall) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    /* Get the subscription */
    struct setMonitoringContext smc;
    smc.sub = UA_Session_getSubscriptionById(session, request->subscriptionId);
    if(!smc.sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    smc.sub->currentLifetimeCount = 0; /* Reset the subscription lifetime */

    smc.monitoringMode = request->monitoringMode;
    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_SetMonitoringMode,
                                           &smc, &request->monitoredItemIdsSize,
                                           &UA_TYPES[UA_TYPES_UINT32],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_STATUSCODE]);
}

static void
Operation_DeleteMonitoredItem(UA_Server *server, UA_Session *session, UA_Subscription *sub,
                              const UA_UInt32 *monitoredItemId, UA_StatusCode *result) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_MonitoredItem *mon = UA_Subscription_getMonitoredItem(sub, *monitoredItemId);
    if(!mon) {
        *result = UA_STATUSCODE_BADMONITOREDITEMIDINVALID;
        return;
    }
    UA_MonitoredItem_delete(server, mon);
}

void
Service_DeleteMonitoredItems(UA_Server *server, UA_Session *session,
                             const UA_DeleteMonitoredItemsRequest *request,
                             UA_DeleteMonitoredItemsResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing DeleteMonitoredItemsRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxMonitoredItemsPerCall != 0 &&
       request->monitoredItemIdsSize > server->config.maxMonitoredItemsPerCall) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    /* Get the subscription */
    UA_Subscription *sub = UA_Session_getSubscriptionById(session, request->subscriptionId);
    if(!sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    /* Reset the subscription lifetime */
    sub->currentLifetimeCount = 0;

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_DeleteMonitoredItem,
                                           sub, &request->monitoredItemIdsSize,
                                           &UA_TYPES[UA_TYPES_UINT32],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_STATUSCODE]);
}

UA_StatusCode
UA_Server_deleteMonitoredItem(UA_Server *server, UA_UInt32 monitoredItemId) {
    UA_LOCK(&server->serviceMutex);
    UA_MonitoredItem *mon, *mon_tmp;
    LIST_FOREACH_SAFE(mon, &server->localMonitoredItems, listEntry, mon_tmp) {
        if(mon->monitoredItemId != monitoredItemId)
            continue;
        UA_MonitoredItem_delete(server, mon);
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_GOOD;
    }
    UA_UNLOCK(&server->serviceMutex);
    return UA_STATUSCODE_BADMONITOREDITEMIDINVALID;
}

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/**** amalgamated original file "/src/server/ua_services_securechannel.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014, 2017 (c) Florian Palm
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 */


#ifndef container_of
#define container_of(ptr, type, member) \
    (type *)((uintptr_t)ptr - offsetof(type,member))
#endif

static void
removeSecureChannelCallback(void *_, channel_entry *entry) {
    UA_SecureChannel_close(&entry->channel);
}

/* Half-closes the channel. Will be completely closed / deleted in a deferred
 * callback. Deferring is necessary so we don't remove lists that are still
 * processed upwards the call stack. */
static void
removeSecureChannel(UA_Server *server, channel_entry *entry,
                    UA_DiagnosticEvent event) {
    if(entry->channel.state == UA_SECURECHANNELSTATE_CLOSING)
        return;
    entry->channel.state = UA_SECURECHANNELSTATE_CLOSING;

    /* Detach from the connection and close the connection */
    if(entry->channel.connection) {
        if(entry->channel.connection->state != UA_CONNECTIONSTATE_CLOSED)
            entry->channel.connection->close(entry->channel.connection);
        UA_Connection_detachSecureChannel(entry->channel.connection);
    }

    /* Detach the channel */
    TAILQ_REMOVE(&server->channels, entry, pointers);

    /* Update the statistics */
    UA_SecureChannelStatistics *scs = &server->secureChannelStatistics;
    UA_atomic_subSize(&scs->currentChannelCount, 1);
    switch(event) {
    case UA_DIAGNOSTICEVENT_CLOSE:
        break;
    case UA_DIAGNOSTICEVENT_TIMEOUT:
        UA_atomic_addSize(&scs->channelTimeoutCount, 1);
        break;
    case UA_DIAGNOSTICEVENT_PURGE:
        UA_atomic_addSize(&scs->channelPurgeCount, 1);
        break;
    case UA_DIAGNOSTICEVENT_REJECT:
    case UA_DIAGNOSTICEVENT_SECURITYREJECT:
        UA_atomic_addSize(&scs->rejectedChannelCount, 1);
        break;
    case UA_DIAGNOSTICEVENT_ABORT:
        UA_atomic_addSize(&scs->channelAbortCount, 1);
        break;
    default:
        UA_assert(false);
        break;
    }

    /* Add a delayed callback to remove the channel when the currently
     * scheduled jobs have completed */
    entry->cleanupCallback.callback = (UA_ApplicationCallback)removeSecureChannelCallback;
    entry->cleanupCallback.application = NULL;
    entry->cleanupCallback.data = entry;
    entry->cleanupCallback.nextTime = UA_DateTime_nowMonotonic() + 1;
    entry->cleanupCallback.interval = 0; /* Remove the structure */
    UA_Timer_addTimerEntry(&server->timer, &entry->cleanupCallback, NULL);
}

void
UA_Server_deleteSecureChannels(UA_Server *server) {
    channel_entry *entry, *temp;
    TAILQ_FOREACH_SAFE(entry, &server->channels, pointers, temp)
        removeSecureChannel(server, entry, UA_DIAGNOSTICEVENT_CLOSE);
}

/* remove channels that were not renewed or who have no connection attached */
void
UA_Server_cleanupTimedOutSecureChannels(UA_Server *server,
                                        UA_DateTime nowMonotonic) {
    channel_entry *entry, *temp;
    TAILQ_FOREACH_SAFE(entry, &server->channels, pointers, temp) {
        /* The channel was closed internally */
        if(entry->channel.state == UA_SECURECHANNELSTATE_CLOSED ||
           !entry->channel.connection) {
            removeSecureChannel(server, entry, UA_DIAGNOSTICEVENT_CLOSE);
            continue;
        }

        /* Is the SecurityToken already created? */
        if(entry->channel.securityToken.createdAt == 0) {
        	/* No -> channel is still in progress of being opened, do not remove */
        	continue;
        }

        /* Has the SecurityToken timed out? */
        UA_DateTime timeout =
            entry->channel.securityToken.createdAt +
            (UA_DateTime)(entry->channel.securityToken.revisedLifetime * UA_DATETIME_MSEC);

        /* There is a new token. But it has not been used by the client so far.
         * Do the rollover now instead of shutting the channel down.
         *
         * Part 4, 5.5.2 says: Servers shall use the existing SecurityToken to
         * secure outgoing Messages until the SecurityToken expires or the
         * Server receives a Message secured with a new SecurityToken.*/
        if(timeout < nowMonotonic &&
           entry->channel.renewState == UA_SECURECHANNELRENEWSTATE_NEWTOKEN_SERVER) {
            /* Compare with the rollover in checkSymHeader */
            entry->channel.renewState = UA_SECURECHANNELRENEWSTATE_NORMAL;
            entry->channel.securityToken = entry->channel.altSecurityToken;
            UA_ChannelSecurityToken_init(&entry->channel.altSecurityToken);
            UA_SecureChannel_generateLocalKeys(&entry->channel);
            generateRemoteKeys(&entry->channel);

            /* Use the timeout of the new SecurityToken */
            timeout = entry->channel.securityToken.createdAt +
                (UA_DateTime)(entry->channel.securityToken.revisedLifetime * UA_DATETIME_MSEC);
        }

        if(timeout < nowMonotonic) {
            UA_LOG_INFO_CHANNEL(&server->config.logger, &entry->channel,
                                "SecureChannel has timed out");
            removeSecureChannel(server, entry, UA_DIAGNOSTICEVENT_TIMEOUT);
        }
    }
}

/* remove the first channel that has no session attached */
static UA_Boolean
purgeFirstChannelWithoutSession(UA_Server *server) {
    channel_entry *entry;
    TAILQ_FOREACH(entry, &server->channels, pointers) {
        if(SLIST_FIRST(&entry->channel.sessions))
            continue;
        UA_LOG_INFO_CHANNEL(&server->config.logger, &entry->channel,
                            "Channel was purged since maxSecureChannels was "
                            "reached and channel had no session attached");
        removeSecureChannel(server, entry, UA_DIAGNOSTICEVENT_PURGE);
        return true;
    }
    return false;
}

UA_StatusCode
UA_Server_createSecureChannel(UA_Server *server, UA_Connection *connection) {
    /* connection already has a channel attached. */
    if(connection->channel != NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Check if there exists a free SC, otherwise try to purge one SC without a
     * session the purge has been introduced to pass CTT, it is not clear what
     * strategy is expected here */
    if((server->secureChannelStatistics.currentChannelCount >=
        server->config.maxSecureChannels) &&
       !purgeFirstChannelWithoutSession(server))
        return UA_STATUSCODE_BADOUTOFMEMORY;

    channel_entry *entry = (channel_entry *)UA_malloc(sizeof(channel_entry));
    if(!entry)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Channel state is closed (0) */
    /* TODO: Use the connection config from the correct network layer */
    UA_SecureChannel_init(&entry->channel,
                          &server->config.networkLayers[0].localConnectionConfig);
    entry->channel.certificateVerification = &server->config.certificateVerification;
    entry->channel.processOPNHeader = UA_Server_configSecureChannel;

    TAILQ_INSERT_TAIL(&server->channels, entry, pointers);
    UA_Connection_attachSecureChannel(connection, &entry->channel);
    server->secureChannelStatistics.currentChannelCount++;
    server->secureChannelStatistics.cumulatedChannelCount++;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_configSecureChannel(void *application, UA_SecureChannel *channel,
                              const UA_AsymmetricAlgorithmSecurityHeader *asymHeader) {
    /* Iterate over available endpoints and choose the correct one */
    UA_SecurityPolicy *securityPolicy = NULL;
    UA_Server *const server = (UA_Server *const) application;
    for(size_t i = 0; i < server->config.securityPoliciesSize; ++i) {
        UA_SecurityPolicy *policy = &server->config.securityPolicies[i];
        if(!UA_ByteString_equal(&asymHeader->securityPolicyUri, &policy->policyUri))
            continue;

        UA_StatusCode retval = policy->asymmetricModule.
            compareCertificateThumbprint(policy, &asymHeader->receiverCertificateThumbprint);
        if(retval != UA_STATUSCODE_GOOD)
            continue;

        /* We found the correct policy (except for security mode). The endpoint
         * needs to be selected by the client / server to match the security
         * mode in the endpoint for the session. */
        securityPolicy = policy;
        break;
    }

    if(!securityPolicy)
        return UA_STATUSCODE_BADSECURITYPOLICYREJECTED;

    /* Create the channel context and parse the sender (remote) certificate used for the
     * secureChannel. */
    UA_StatusCode retval =
        UA_SecureChannel_setSecurityPolicy(channel, securityPolicy,
                                           &asymHeader->senderCertificate);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    channel->securityToken.tokenId = server->lastTokenId++;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_SecureChannelManager_open(UA_Server *server, UA_SecureChannel *channel,
                             const UA_OpenSecureChannelRequest *request,
                             UA_OpenSecureChannelResponse *response) {
    if(channel->state != UA_SECURECHANNELSTATE_ACK_SENT) {
        UA_LOG_ERROR_CHANNEL(&server->config.logger, channel,
                             "Called open on already open or closed channel");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    if(request->securityMode != UA_MESSAGESECURITYMODE_NONE &&
       UA_ByteString_equal(&channel->securityPolicy->policyUri, &UA_SECURITY_POLICY_NONE_URI)) {
        return UA_STATUSCODE_BADSECURITYMODEREJECTED;
    }

    channel->securityMode = request->securityMode;
    channel->securityToken.channelId = server->lastChannelId++;
    channel->securityToken.createdAt = UA_DateTime_nowMonotonic();

    /* Set the lifetime. Lifetime 0 -> set the maximum possible */
    channel->securityToken.revisedLifetime =
        (request->requestedLifetime > server->config.maxSecurityTokenLifetime) ?
        server->config.maxSecurityTokenLifetime : request->requestedLifetime;
    if(channel->securityToken.revisedLifetime == 0)
        channel->securityToken.revisedLifetime = server->config.maxSecurityTokenLifetime;

    UA_StatusCode retval = UA_ByteString_copy(&request->clientNonce, &channel->remoteNonce);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Generate the nonce. The syymmetric encryption keys are generated when the
     * first symmetric message is received */
    retval = UA_SecureChannel_generateLocalNonce(channel);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Set the response. The token will be revolved to the new token when the
     * first symmetric messages is received. */
    response->securityToken = channel->securityToken;
    response->securityToken.createdAt = UA_DateTime_now(); /* Only for sending */
    response->responseHeader.timestamp = response->securityToken.createdAt;
    response->responseHeader.requestHandle = request->requestHeader.requestHandle;
    retval = UA_ByteString_copy(&channel->localNonce, &response->serverNonce);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* The channel is open */
    channel->state = UA_SECURECHANNELSTATE_OPEN;

    /* For the first revolve */
    channel->renewState = UA_SECURECHANNELRENEWSTATE_NEWTOKEN_SERVER;
    channel->altSecurityToken = channel->securityToken;
    channel->securityToken.tokenId = 0;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_SecureChannelManager_renew(UA_Server *server, UA_SecureChannel *channel,
                              const UA_OpenSecureChannelRequest *request,
                              UA_OpenSecureChannelResponse *response) {
    if(channel->state != UA_SECURECHANNELSTATE_OPEN) {
        UA_LOG_ERROR_CHANNEL(&server->config.logger, channel,
                             "Called renew on channel which is not open");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Check whether the nonce was reused */
    if(channel->securityMode != UA_MESSAGESECURITYMODE_NONE &&
       UA_ByteString_equal(&channel->remoteNonce, &request->clientNonce)) {
        UA_LOG_ERROR_CHANNEL(&server->config.logger, channel,
                             "The client reused the last nonce");
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    }

    /* Create a new SecurityToken. Will be switched over when the first message
     * is received. */
    channel->altSecurityToken = channel->securityToken;
    channel->altSecurityToken.tokenId = server->lastTokenId++;
    channel->altSecurityToken.createdAt = UA_DateTime_nowMonotonic();
    channel->altSecurityToken.revisedLifetime =
        (request->requestedLifetime > server->config.maxSecurityTokenLifetime) ?
        server->config.maxSecurityTokenLifetime : request->requestedLifetime;
    if(channel->altSecurityToken.revisedLifetime == 0) /* lifetime 0 -> return the max lifetime */
        channel->altSecurityToken.revisedLifetime = server->config.maxSecurityTokenLifetime;

    /* Replace the nonces */
    UA_ByteString_clear(&channel->remoteNonce);
    UA_StatusCode retval = UA_ByteString_copy(&request->clientNonce, &channel->remoteNonce);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    retval = UA_SecureChannel_generateLocalNonce(channel);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Set the response */
    response->securityToken = channel->altSecurityToken;
    response->securityToken.createdAt = UA_DateTime_now(); /* Only for sending */
    response->responseHeader.requestHandle = request->requestHeader.requestHandle;
    retval = UA_ByteString_copy(&channel->localNonce, &response->serverNonce);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    channel->renewState = UA_SECURECHANNELRENEWSTATE_NEWTOKEN_SERVER;
    return UA_STATUSCODE_GOOD;
}

void
UA_Server_closeSecureChannel(UA_Server *server, UA_SecureChannel *channel,
                             UA_DiagnosticEvent event) {
    removeSecureChannel(server, container_of(channel, channel_entry, channel), event);
}

void
Service_OpenSecureChannel(UA_Server *server, UA_SecureChannel *channel,
                          const UA_OpenSecureChannelRequest *request,
                          UA_OpenSecureChannelResponse *response) {
    if(request->requestType == UA_SECURITYTOKENREQUESTTYPE_RENEW) {
        /* Renew the channel */
        response->responseHeader.serviceResult =
            UA_SecureChannelManager_renew(server, channel, request, response);

        /* Logging */
        if(response->responseHeader.serviceResult == UA_STATUSCODE_GOOD) {
            UA_Float lifetime = (UA_Float)response->securityToken.revisedLifetime / 1000;
            UA_LOG_INFO_CHANNEL(&server->config.logger, channel, "SecureChannel renewed "
                                "with a revised lifetime of %.2fs", lifetime);
        } else {
            UA_LOG_DEBUG_CHANNEL(&server->config.logger, channel,
                                 "Renewing SecureChannel failed");
        }
        return;
    }

    /* Must be ISSUE or RENEW */
    if(request->requestType != UA_SECURITYTOKENREQUESTTYPE_ISSUE) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
        return;
    }

    /* Open the channel */
    response->responseHeader.serviceResult =
        UA_SecureChannelManager_open(server, channel, request, response);

    /* Logging */
    if(response->responseHeader.serviceResult == UA_STATUSCODE_GOOD) {
        UA_Float lifetime = (UA_Float)response->securityToken.revisedLifetime / 1000;
        UA_LOG_INFO_CHANNEL(&server->config.logger, channel,
                            "SecureChannel opened with SecurityPolicy %.*s "
                            "and a revised lifetime of %.2fs",
                            (int)channel->securityPolicy->policyUri.length,
                            channel->securityPolicy->policyUri.data, lifetime);
    } else {
        UA_LOG_INFO_CHANNEL(&server->config.logger, channel,
                            "Opening a SecureChannel failed");
    }
}

/* The server does not send a CloseSecureChannel response */
void
Service_CloseSecureChannel(UA_Server *server, UA_SecureChannel *channel) {
    UA_LOG_INFO_CHANNEL(&server->config.logger, channel, "CloseSecureChannel");
    removeSecureChannel(server, container_of(channel, channel_entry, channel),
                        UA_DIAGNOSTICEVENT_CLOSE);
}

/**** amalgamated original file "/src/server/ua_services_nodemanagement.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2014-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2014-2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015-2016 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2016 (c) LEvertz
 *    Copyright 2016 (c) Lorenz Haas
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017-2018 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Christian von Arnim
 *    Copyright 2021 (c) Christian von Arnim, ISW University of Stuttgart  (for VDW and umati)
 *    Copyright 2017 (c) Henrik Norrman
 *    Copyright 2021 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 */


static UA_StatusCode
setMethodNode_callback(UA_Server *server,
                       const UA_NodeId methodNodeId,
                       UA_MethodCallback methodCallback);

/*********************/
/* Edit Node Context */
/*********************/

UA_StatusCode
UA_Server_getNodeContext(UA_Server *server, UA_NodeId nodeId,
                         void **nodeContext) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = getNodeContext(server, nodeId, nodeContext);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

UA_StatusCode
getNodeContext(UA_Server *server, UA_NodeId nodeId,
               void **nodeContext) {
    const UA_Node *node = UA_NODESTORE_GET(server, &nodeId);
    if(!node)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    *nodeContext = node->head.context;
    UA_NODESTORE_RELEASE(server, node);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
setDeconstructedNode(UA_Server *server, UA_Session *session,
                     UA_NodeHead *head, void *context) {
    head->constructed = false;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
setConstructedNodeContext(UA_Server *server, UA_Session *session,
                          UA_NodeHead *head, void *context) {
    head->context = context;
    head->constructed = true;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
editNodeContext(UA_Server *server, UA_Session* session,
                UA_NodeHead *head, void *context) {
    head->context = context;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
setNodeContext(UA_Server *server, UA_NodeId nodeId,
               void *nodeContext) {
    return UA_Server_editNode(server, &server->adminSession, &nodeId,
                              (UA_EditNodeCallback)editNodeContext, nodeContext);
}

UA_StatusCode
UA_Server_setNodeContext(UA_Server *server, UA_NodeId nodeId,
                         void *nodeContext) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = setNodeContext(server, nodeId, nodeContext);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

static UA_StatusCode
checkSetIsDynamicVariable(UA_Server *server, UA_Session *session,
                          const UA_NodeId *nodeId);

/**********************/
/* Consistency Checks */
/**********************/

#define UA_PARENT_REFERENCES_COUNT 2

const UA_NodeId parentReferences[UA_PARENT_REFERENCES_COUNT] = {
    {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASSUBTYPE}},
    {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASCOMPONENT}}
};

static void
logAddNode(const UA_Logger *logger, UA_Session *session,
           const UA_NodeId *nodeId, const char *msg) {
    UA_LOG_NODEID_INFO(nodeId,
    UA_LOG_INFO_SESSION(logger, session, "AddNode (%.*s): %s",
                        (int)nodeIdStr.length, nodeIdStr.data, msg));
}

/* Check if the requested parent node exists, has the right node class and is
 * referenced with an allowed (hierarchical) reference type. For "type" nodes,
 * only hasSubType references are allowed. */
static UA_StatusCode
checkParentReference(UA_Server *server, UA_Session *session, const UA_NodeHead *head,
                     const UA_NodeId *parentNodeId, const UA_NodeId *referenceTypeId) {
    /* Objects do not need a parent (e.g. mandatory/optional modellingrules).
     * Also, there are some variables which do not have parents, e.g.
     * EnumStrings, EnumValues */
    if((head->nodeClass == UA_NODECLASS_OBJECT ||
        head->nodeClass == UA_NODECLASS_VARIABLE) &&
       UA_NodeId_isNull(parentNodeId) && UA_NodeId_isNull(referenceTypeId))
        return UA_STATUSCODE_GOOD;

    /* See if the parent exists */
    const UA_Node *parent = UA_NODESTORE_GET(server, parentNodeId);
    if(!parent) {
        logAddNode(&server->config.logger, session, &head->nodeId,
                   "Parent node not found");
        return UA_STATUSCODE_BADPARENTNODEIDINVALID;
    }

    UA_NodeClass parentNodeClass = parent->head.nodeClass;
    UA_NODESTORE_RELEASE(server, parent);

    /* Check the referencetype exists */
    const UA_Node *referenceType = UA_NODESTORE_GET(server, referenceTypeId);
    if(!referenceType) {
        logAddNode(&server->config.logger, session, &head->nodeId,
                   "Reference type to the parent not found");
        return UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
    }

    /* Check if the referencetype is a reference type node */
    if(referenceType->head.nodeClass != UA_NODECLASS_REFERENCETYPE) {
        logAddNode(&server->config.logger, session, &head->nodeId,
                   "Reference type to the parent is not a ReferenceTypeNode");
        UA_NODESTORE_RELEASE(server, referenceType);
        return UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
    }

    /* Check that the reference type is not abstract */
    UA_Boolean referenceTypeIsAbstract = referenceType->referenceTypeNode.isAbstract;
    UA_NODESTORE_RELEASE(server, referenceType);
    if(referenceTypeIsAbstract == true) {
        logAddNode(&server->config.logger, session, &head->nodeId,
                   "Abstract reference type to the parent not allowed");
        return UA_STATUSCODE_BADREFERENCENOTALLOWED;
    }

    /* Check hassubtype relation for type nodes */
    if(head->nodeClass == UA_NODECLASS_DATATYPE ||
       head->nodeClass == UA_NODECLASS_VARIABLETYPE ||
       head->nodeClass == UA_NODECLASS_OBJECTTYPE ||
       head->nodeClass == UA_NODECLASS_REFERENCETYPE) {
        /* Type needs hassubtype reference to the supertype */
        if(referenceType->referenceTypeNode.referenceTypeIndex !=
           UA_REFERENCETYPEINDEX_HASSUBTYPE) {
            logAddNode(&server->config.logger, session, &head->nodeId,
                       "Type nodes need to have a HasSubType reference to the parent");
            return UA_STATUSCODE_BADREFERENCENOTALLOWED;
        }
        /* Supertype needs to be of the same node type  */
        if(parentNodeClass != head->nodeClass) {
            logAddNode(&server->config.logger, session, &head->nodeId,
                       "Type nodes needs to be of the same node "
                       "type as their parent");
            return UA_STATUSCODE_BADPARENTNODEIDINVALID;
        }
        return UA_STATUSCODE_GOOD;
    }

    /* Test if the referencetype is hierarchical */
    const UA_NodeId hierarchRefs = UA_NODEID_NUMERIC(0, UA_NS0ID_HIERARCHICALREFERENCES);
    if(!isNodeInTree_singleRef(server, referenceTypeId, &hierarchRefs,
                               UA_REFERENCETYPEINDEX_HASSUBTYPE)) {
        logAddNode(&server->config.logger, session, &head->nodeId,
                   "Reference type to the parent is not hierarchical");
        return UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
    }

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
setDefaultValue(UA_Server *server, const UA_VariableNode *node) {
    /* Get the DataType */
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    const UA_DataType *type = UA_Server_findDataType(server, &node->dataType);
    if(!type) {
        /* No description for the DataType found. It is possible that an
         * abstract DataType is used, e.g. UInteger. Browse to see if there is a
         * non-abstract subtype that can be used for the default value.
         *
         * Look up and downwards in the hierarchy. Some data types (e.g.
         * UtcTime) are derived from a non-abstract data type. This is then used
         * for the actual value, Use the first match. */
        UA_ReferenceTypeSet refs = UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASSUBTYPE);
        UA_ExpandedNodeId *typeCandidates = NULL;
        size_t typeCandidatesSize = 0;
        res = browseRecursive(server, 1, &node->dataType,
                              UA_BROWSEDIRECTION_BOTH, &refs,
                              UA_NODECLASS_DATATYPE, false,
                              &typeCandidatesSize, &typeCandidates);
        if(res != UA_STATUSCODE_GOOD)
            return res;

        for(size_t i = 0; i < typeCandidatesSize; i++) {
            /* Skip BaseDataType (Variant). This is the root of the DataType
             * hierarchy. Variables of BaseDataType can be empty. */
            if(UA_NodeId_equal(&UA_TYPES[UA_TYPES_VARIANT].typeId,
                               &typeCandidates[i].nodeId))
                continue;
            type = UA_Server_findDataType(server, &typeCandidates[i].nodeId);
            if(type)
                break;
        }

        UA_Array_delete(typeCandidates, typeCandidatesSize,
                        &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
        if(!type)
            return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* Set up the value with the default content */
    UA_Variant val;
    UA_Variant_init(&val);
    if(node->valueRank < 0) {
        /* Set a scalar */
        void *data = UA_new(type);
        if(!data)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        UA_Variant_setScalar(&val, data, type);
    } else if(node->valueRank == 0) {
        /* Use an empty array of one dimension */
        UA_Variant_setArray(&val, NULL, 0, type);
    } else {
        /* Write an array that matches the ArrayDimensions */
        res = UA_Array_copy(node->arrayDimensions, node->arrayDimensionsSize,
                            (void**)&val.arrayDimensions, &UA_TYPES[UA_TYPES_UINT32]);
        if(res != UA_STATUSCODE_GOOD)
            return res;
        val.arrayDimensionsSize = node->arrayDimensionsSize;

        /* No length restriction in the ArrayDimension -> use length 1 */
        size_t size = 1;
        for(size_t i = 0; i < val.arrayDimensionsSize; i++) {
            if(val.arrayDimensions[i] == 0)
                val.arrayDimensions[i] = 1;
            size *= val.arrayDimensions[i];
        }

        /* Create the content array */
        void *data = UA_Array_new(size, type);
        if(!data) {
            UA_Variant_clear(&val);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }

        val.data = data;
        val.arrayLength = size;
        val.type = type;
    }

    /* Write the value */
    res = writeAttribute(server, &server->adminSession, &node->head.nodeId,
                         UA_ATTRIBUTEID_VALUE, &val, &UA_TYPES[UA_TYPES_VARIANT]);

    /* Clean up */
    UA_Variant_clear(&val);
    return res;
}

static UA_StatusCode
typeCheckVariableNode(UA_Server *server, UA_Session *session,
                      const UA_VariableNode *node,
                      const UA_VariableTypeNode *vt) {
    /* Check the datatype against the vt */
    if(!compatibleDataTypes(server, &node->dataType, &vt->dataType)) {
        logAddNode(&server->config.logger, session, &node->head.nodeId,
                   "The value of is incompatible with "
                   "the datatype of the VariableType");
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* Check valueRank against array dimensions */
    if(!compatibleValueRankArrayDimensions(server, session, node->valueRank,
                                           node->arrayDimensionsSize)) {
        logAddNode(&server->config.logger, session, &node->head.nodeId,
                   "The value rank of is incompatible with its array dimensions");
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* Check valueRank against the vt */
    if(!compatibleValueRanks(node->valueRank, vt->valueRank)) {
        logAddNode(&server->config.logger, session, &node->head.nodeId,
                   "The value rank is incompatible "
                   "with the value rank of the VariableType");
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* Check array dimensions against the vt */
    if(!compatibleArrayDimensions(vt->arrayDimensionsSize, vt->arrayDimensions,
                                  node->arrayDimensionsSize, node->arrayDimensions)) {
        logAddNode(&server->config.logger, session, &node->head.nodeId,
                   "The array dimensions are incompatible with the "
                   "array dimensions of the VariableType");
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* Typecheck the value */

    /* The value might come from a datasource, so we perform a
     * regular read. */
    UA_DataValue value;
    UA_DataValue_init(&value);
    UA_StatusCode retval = readValueAttribute(server, session, node, &value);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Only BaseDataType (Variant) can have empty values. Create default content
     * otherwise that matches the constraints. */
    if(!value.hasValue || !value.value.type) {
        if(!UA_NodeId_equal(&node->dataType, &UA_TYPES[UA_TYPES_VARIANT].typeId)) {
            /* Warn if that is configured */
            if(!server->bootstrapNS0 &&
               server->config.allowEmptyVariables != UA_RULEHANDLING_ACCEPT)
                logAddNode(&server->config.logger, session, &node->head.nodeId,
                           "The value is empty. But this is only allowed for BaseDataType. "
                           "Create a matching default value.");

            /* Abort if that is configured */
            if(server->config.allowEmptyVariables == UA_RULEHANDLING_ABORT)
                retval = UA_STATUSCODE_BADTYPEMISMATCH;

            /* Try to generate a default value if that is configured */
            if(server->config.allowEmptyVariables == UA_RULEHANDLING_DEFAULT) {
                retval = setDefaultValue(server, node);
                if(retval != UA_STATUSCODE_GOOD) {
                    UA_LOG_NODEID_INFO(&node->head.nodeId,
                    UA_LOG_INFO_SESSION(&server->config.logger, session,
                                        "AddNode (%.*s): Could not create a default value "
                                        "with StatusCode %s", (int)nodeIdStr.length,
                                        nodeIdStr.data, UA_StatusCode_name(retval)));
                }

                /* Reread the current value for compat tests below */
                UA_DataValue_clear(&value);
                retval = readValueAttribute(server, session, node, &value);
            }
        }

        if(retval != UA_STATUSCODE_GOOD) {
            UA_DataValue_clear(&value);
            return retval;
        }
    }

    /* Perform the value typecheck. If this fails, write the current value
     * again. The write-service tries to convert to the correct type... */
    const char *reason;
    if(!compatibleValue(server, session, &node->dataType, node->valueRank,
                        node->arrayDimensionsSize, node->arrayDimensions,
                        &value.value, NULL, &reason)) {
        retval = writeValueAttribute(server, session, &node->head.nodeId, &value.value);
        if(retval != UA_STATUSCODE_GOOD) {
            logAddNode(&server->config.logger, session, &node->head.nodeId,
                       "The value is incompatible with the variable definition");
        }
    }

    UA_DataValue_clear(&value);
    return retval;
}

/********************/
/* Instantiate Node */
/********************/

static const UA_NodeId baseDataVariableType =
    {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_BASEDATAVARIABLETYPE}};
static const UA_NodeId baseObjectType =
    {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_BASEOBJECTTYPE}};
static const UA_NodeId hasTypeDefinition =
    {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASTYPEDEFINITION}};

/* Use attributes from the variable type wherever required. Reload the node if
 * changes were made. */
static UA_StatusCode
useVariableTypeAttributes(UA_Server *server, UA_Session *session,
                          const UA_VariableNode *node,
                          const UA_VariableTypeNode *vt) {
    /* If no value is set, see if the vt provides one and copy it. This needs to
     * be done before copying the datatype from the vt, as setting the datatype
     * triggers a typecheck. */
    UA_Variant orig;
    UA_StatusCode retval =
        readWithReadValue(server, &node->head.nodeId, UA_ATTRIBUTEID_VALUE, &orig);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    if(orig.type) {
        /* A value is present */
        UA_Variant_clear(&orig);
    } else {
        UA_DataValue v;
        UA_DataValue_init(&v);
        retval = readValueAttribute(server, session, (const UA_VariableNode*)vt, &v);
        if(retval == UA_STATUSCODE_GOOD && v.hasValue) {
            retval = writeValueAttribute(server, session, &node->head.nodeId, &v.value);
        }
        UA_DataValue_clear(&v);

        if(retval != UA_STATUSCODE_GOOD) {
            logAddNode(&server->config.logger, session, &node->head.nodeId,
                       "The default content of the VariableType could "
                       "not be used. This may happen if the VariableNode "
                       "makes additional restrictions.");
            retval = UA_STATUSCODE_GOOD;
        }
    }

    /* If no datatype is given, use the datatype of the vt */
    if(UA_NodeId_isNull(&node->dataType)) {
        logAddNode(&server->config.logger, session, &node->head.nodeId,
                   "No datatype given; Copy the datatype attribute "
                   "from the TypeDefinition");
        retval = writeAttribute(server, session, &node->head.nodeId,
                                UA_ATTRIBUTEID_DATATYPE, &vt->dataType,
                                &UA_TYPES[UA_TYPES_NODEID]);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    /* Use the ArrayDimensions of the vt */
    if(node->arrayDimensionsSize == 0 && vt->arrayDimensionsSize > 0) {
        UA_Variant v;
        UA_Variant_init(&v);
        UA_Variant_setArray(&v, vt->arrayDimensions, vt->arrayDimensionsSize,
                            &UA_TYPES[UA_TYPES_UINT32]);
        retval = writeAttribute(server, session, &node->head.nodeId,
                                UA_ATTRIBUTEID_ARRAYDIMENSIONS, &v,
                                &UA_TYPES[UA_TYPES_VARIANT]);
    }

    return retval;
}

/* Search for an instance of "browseName" in node searchInstance. Used during
 * copyChildNodes to find overwritable/mergable nodes. Does not touch
 * outInstanceNodeId if no child is found. */
static UA_StatusCode
findChildByBrowsename(UA_Server *server, UA_Session *session,
                      const UA_NodeId *searchInstance,
                      const UA_QualifiedName *browseName,
                      UA_NodeId *outInstanceNodeId) {
    UA_BrowseDescription bd;
    UA_BrowseDescription_init(&bd);
    bd.nodeId = *searchInstance;
    bd.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_AGGREGATES);
    bd.includeSubtypes = true;
    bd.browseDirection = UA_BROWSEDIRECTION_FORWARD;
    bd.nodeClassMask = UA_NODECLASS_OBJECT | UA_NODECLASS_VARIABLE | UA_NODECLASS_METHOD;
    bd.resultMask = UA_BROWSERESULTMASK_BROWSENAME;

    UA_BrowseResult br;
    UA_BrowseResult_init(&br);
    UA_UInt32 maxrefs = 0;
    Operation_Browse(server, session, &maxrefs, &bd, &br);
    if(br.statusCode != UA_STATUSCODE_GOOD)
        return br.statusCode;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < br.referencesSize; ++i) {
        UA_ReferenceDescription *rd = &br.references[i];
        if(rd->browseName.namespaceIndex == browseName->namespaceIndex &&
           UA_String_equal(&rd->browseName.name, &browseName->name)) {
            retval = UA_NodeId_copy(&rd->nodeId.nodeId, outInstanceNodeId);
            break;
        }
    }

    UA_BrowseResult_clear(&br);
    return retval;
}

static const UA_NodeId mandatoryId =
    {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_MODELLINGRULE_MANDATORY}};

static UA_Boolean
isMandatoryChild(UA_Server *server, UA_Session *session,
                 const UA_NodeId *childNodeId) {
    /* Get the child */
    const UA_Node *child = UA_NODESTORE_GET(server, childNodeId);
    if(!child)
        return false;

    /* Look for the reference making the child mandatory */
    UA_NodePointer mandatoryP = UA_NodePointer_fromNodeId(&mandatoryId);
    for(size_t i = 0; i < child->head.referencesSize; ++i) {
        UA_NodeReferenceKind *rk = &child->head.references[i];
        if(rk->referenceTypeIndex != UA_REFERENCETYPEINDEX_HASMODELLINGRULE)
            continue;
        if(rk->isInverse)
            continue;

        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(rk, t))) {
            if(UA_NodePointer_equal(mandatoryP, t->targetId)) {
                UA_NODESTORE_RELEASE(server, child);
                return true;
            }
        }
    }

    UA_NODESTORE_RELEASE(server, child);
    return false;
}

static UA_StatusCode
copyAllChildren(UA_Server *server, UA_Session *session,
                const UA_NodeId *source, const UA_NodeId *destination);

static void
Operation_addReference(UA_Server *server, UA_Session *session, void *context,
                       const UA_AddReferencesItem *item, UA_StatusCode *retval);

UA_StatusCode
addRef(UA_Server *server, UA_Session *session, const UA_NodeId *sourceId,
       const UA_NodeId *referenceTypeId, const UA_NodeId *targetId,
       UA_Boolean forward) {
    UA_AddReferencesItem ref_item;
    UA_AddReferencesItem_init(&ref_item);
    ref_item.sourceNodeId = *sourceId;
    ref_item.referenceTypeId = *referenceTypeId;
    ref_item.isForward = forward;
    ref_item.targetNodeId.nodeId = *targetId;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    Operation_addReference(server, session, NULL, &ref_item, &retval);
    return retval;
}

static UA_StatusCode
addInterfaceChildren(UA_Server *server, UA_Session *session,
                     const UA_NodeId *nodeId, const UA_NodeId *typeId) {
    /* Get the hierarchy of the type and all its supertypes */
    UA_NodeId *hierarchy = NULL;
    size_t hierarchySize = 0;
    UA_StatusCode retval = getAllInterfaceChildNodeIds(server, nodeId, typeId,
                                                       &hierarchy, &hierarchySize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Copy members of the type and supertypes (and instantiate them) */
    for(size_t i = 0; i < hierarchySize; ++i) {
        retval = copyAllChildren(server, session, &hierarchy[i], nodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_Array_delete(hierarchy, hierarchySize, &UA_TYPES[UA_TYPES_NODEID]);
            return retval;
        }
    }

    for(size_t i = 0; i < hierarchySize; ++i) {
        UA_NodeId refId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASINTERFACE);
        retval = addRef(server, &server->adminSession, nodeId, &refId, &hierarchy[i], true);

        /* Don't add the original HasInterface reference to ObjectType sub nodes */
        if(retval == UA_STATUSCODE_BADDUPLICATEREFERENCENOTALLOWED) {
            retval = UA_STATUSCODE_GOOD;
        } else if(retval != UA_STATUSCODE_GOOD) {
            break;
        }
    }

    UA_Array_delete(hierarchy, hierarchySize, &UA_TYPES[UA_TYPES_NODEID]);
    return retval;
}

static UA_StatusCode
copyChild(UA_Server *server, UA_Session *session,
          const UA_NodeId *destinationNodeId,
          const UA_ReferenceDescription *rd) {
    UA_assert(session);

    /* Is there an existing child with the browsename? */
    UA_NodeId existingChild = UA_NODEID_NULL;
    UA_StatusCode retval = findChildByBrowsename(server, session, destinationNodeId,
                                                 &rd->browseName, &existingChild);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Have a child with that browseName. Deep-copy missing members. */
    if(!UA_NodeId_isNull(&existingChild)) {
        if(rd->nodeClass == UA_NODECLASS_VARIABLE ||
           rd->nodeClass == UA_NODECLASS_OBJECT)
            retval = copyAllChildren(server, session, &rd->nodeId.nodeId, &existingChild);
        UA_NodeId_clear(&existingChild);
        return retval;
    }

    /* Is the child mandatory? If not, ask callback whether child should be instantiated.
     * If not, skip. */
    if(!isMandatoryChild(server, session, &rd->nodeId.nodeId)) {
        if(!server->config.nodeLifecycle.createOptionalChild)
            return UA_STATUSCODE_GOOD;
        UA_UNLOCK(&server->serviceMutex);
        UA_Boolean createChild = server->config.nodeLifecycle.
            createOptionalChild(server, &session->sessionId, session->sessionHandle,
                                &rd->nodeId.nodeId, destinationNodeId, &rd->referenceTypeId);
        UA_LOCK(&server->serviceMutex);
        if(!createChild)
            return UA_STATUSCODE_GOOD;
    }

    /* Child is a method -> create a reference */
    if(rd->nodeClass == UA_NODECLASS_METHOD) {
        UA_AddReferencesItem newItem;
        UA_AddReferencesItem_init(&newItem);
        newItem.sourceNodeId = *destinationNodeId;
        newItem.referenceTypeId = rd->referenceTypeId;
        newItem.isForward = true;
        newItem.targetNodeId = rd->nodeId;
        newItem.targetNodeClass = UA_NODECLASS_METHOD;
        Operation_addReference(server, session, NULL, &newItem, &retval);
        return retval;
    }

    /* Child is a variable or object */
    if(rd->nodeClass == UA_NODECLASS_VARIABLE ||
       rd->nodeClass == UA_NODECLASS_OBJECT) {
        /* Make a copy of the node */
        UA_Node *node;
        retval = UA_NODESTORE_GETCOPY(server, &rd->nodeId.nodeId, &node);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;

        /* Remove the context of the copied node */
        node->head.context = NULL;
        node->head.constructed = false;
#ifdef UA_ENABLE_SUBSCRIPTIONS
        node->head.monitoredItems = NULL;
#endif

        /* Reset the NodeId (random numeric id will be assigned in the nodestore) */
        UA_NodeId_clear(&node->head.nodeId);
        node->head.nodeId.namespaceIndex = destinationNodeId->namespaceIndex;

        if(server->config.nodeLifecycle.generateChildNodeId) {
            UA_UNLOCK(&server->serviceMutex);
            retval = server->config.nodeLifecycle.
                generateChildNodeId(server, &session->sessionId, session->sessionHandle,
                                    &rd->nodeId.nodeId, destinationNodeId,
                                    &rd->referenceTypeId, &node->head.nodeId);
            UA_LOCK(&server->serviceMutex);
            if(retval != UA_STATUSCODE_GOOD) {
                UA_NODESTORE_DELETE(server, node);
                return retval;
            }
        }

        /* Remove references, they are re-created from scratch in addnode_finish */
        /* TODO: Be more clever in removing references that are re-added during
         * addnode_finish. That way, we can call addnode_finish also on children that were
         * manually added by the user during addnode_begin and addnode_finish. */
        /* For now we keep all the modelling rule references and delete all others */
        const UA_NodeId nodeId_typesFolder= UA_NODEID_NUMERIC(0, UA_NS0ID_TYPESFOLDER);
        const UA_ReferenceTypeSet reftypes_aggregates = 
            UA_REFTYPESET(UA_REFERENCETYPEINDEX_AGGREGATES);
        UA_ReferenceTypeSet reftypes_skipped;
        /* Check if the hasModellingRule-reference is required (configured or node in an 
            instance declaration) */
        if(server->config.modellingRulesOnInstances ||
           isNodeInTree(server, destinationNodeId,
                        &nodeId_typesFolder, &reftypes_aggregates)) {
            reftypes_skipped = UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASMODELLINGRULE);
        } else {
            UA_ReferenceTypeSet_init(&reftypes_skipped);
        }
        reftypes_skipped = UA_ReferenceTypeSet_union(reftypes_skipped, UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASINTERFACE));
        UA_Node_deleteReferencesSubset(node, &reftypes_skipped);

        /* Add the node to the nodestore */
        UA_NodeId newNodeId;
        retval = UA_NODESTORE_INSERT(server, node, &newNodeId);
        /* node = NULL; The pointer is no longer valid */
        if(retval != UA_STATUSCODE_GOOD)
            return retval;

        /* Add the node references */
        retval = AddNode_addRefs(server, session, &newNodeId, destinationNodeId,
                                 &rd->referenceTypeId, &rd->typeDefinition.nodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_NODESTORE_REMOVE(server, &newNodeId);
            UA_NodeId_clear(&newNodeId);
            return retval;
        }

        if (rd->nodeClass == UA_NODECLASS_VARIABLE) {
            retval = checkSetIsDynamicVariable(server, session, &newNodeId);

            if(retval != UA_STATUSCODE_GOOD) {
                UA_NODESTORE_REMOVE(server, &newNodeId);
                return retval;
            }
        }

        /* For the new child, recursively copy the members of the original. No
         * typechecking is performed here. Assuming that the original is
         * consistent. */
        retval = copyAllChildren(server, session, &rd->nodeId.nodeId, &newNodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            deleteNode(server, newNodeId, true);
            return retval;
        }

        /* Check if its a dynamic variable, add all type and/or interface
         * children and call the constructor */
        retval = AddNode_finish(server, session, &newNodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            deleteNode(server, newNodeId, true);
            return retval;
        }
        
        /* Clean up.  Because it can happen that a string is assigned as ID at 
         * generateChildNodeId. */
        UA_NodeId_clear(&newNodeId);
    }

    return retval;
}

/* Copy any children of Node sourceNodeId to another node destinationNodeId. */
static UA_StatusCode
copyAllChildren(UA_Server *server, UA_Session *session,
                const UA_NodeId *source, const UA_NodeId *destination) {
    /* Browse to get all children of the source */
    UA_BrowseDescription bd;
    UA_BrowseDescription_init(&bd);
    bd.nodeId = *source;
    bd.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_AGGREGATES);
    bd.includeSubtypes = true;
    bd.browseDirection = UA_BROWSEDIRECTION_FORWARD;
    bd.nodeClassMask = UA_NODECLASS_OBJECT | UA_NODECLASS_VARIABLE | UA_NODECLASS_METHOD;
    bd.resultMask = UA_BROWSERESULTMASK_REFERENCETYPEID | UA_BROWSERESULTMASK_NODECLASS |
        UA_BROWSERESULTMASK_BROWSENAME | UA_BROWSERESULTMASK_TYPEDEFINITION;

    UA_BrowseResult br;
    UA_BrowseResult_init(&br);
    UA_UInt32 maxrefs = 0;
    Operation_Browse(server, session, &maxrefs, &bd, &br);
    if(br.statusCode != UA_STATUSCODE_GOOD)
        return br.statusCode;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < br.referencesSize; ++i) {
        UA_ReferenceDescription *rd = &br.references[i];
        retval = copyChild(server, session, destination, rd);
        if(retval != UA_STATUSCODE_GOOD)
            break;
    }

    UA_BrowseResult_clear(&br);
    return retval;
}

static UA_StatusCode
addTypeChildren(UA_Server *server, UA_Session *session,
                const UA_NodeId *nodeId, const UA_NodeId *typeId) {
    /* Get the hierarchy of the type and all its supertypes */
    UA_NodeId *hierarchy = NULL;
    size_t hierarchySize = 0;
    UA_StatusCode retval = getParentTypeAndInterfaceHierarchy(server, typeId,
                                                              &hierarchy, &hierarchySize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    UA_assert(hierarchySize < 1000);

    /* Copy members of the type and supertypes (and instantiate them) */
    for(size_t i = 0; i < hierarchySize; ++i) {
        retval = copyAllChildren(server, session, &hierarchy[i], nodeId);
        if(retval != UA_STATUSCODE_GOOD)
            break;
    }

    UA_Array_delete(hierarchy, hierarchySize, &UA_TYPES[UA_TYPES_NODEID]);
    return retval;
}

/************/
/* Add Node */
/************/

static const UA_NodeId hasSubtype = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASSUBTYPE}};

UA_StatusCode
AddNode_addRefs(UA_Server *server, UA_Session *session, const UA_NodeId *nodeId,
                const UA_NodeId *parentNodeId, const UA_NodeId *referenceTypeId,
                const UA_NodeId *typeDefinitionId) {
    /* Get the node */
    const UA_Node *type = NULL;
    const UA_Node *node = UA_NODESTORE_GET(server, nodeId);
    if(!node)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;

    /* Use the typeDefinition as parent for type-nodes */
    const UA_NodeHead *head = &node->head;
    if(head->nodeClass == UA_NODECLASS_VARIABLETYPE ||
       head->nodeClass == UA_NODECLASS_OBJECTTYPE ||
       head->nodeClass == UA_NODECLASS_REFERENCETYPE ||
       head->nodeClass == UA_NODECLASS_DATATYPE) {
        if(UA_NodeId_equal(referenceTypeId, &UA_NODEID_NULL))
            referenceTypeId = &hasSubtype;
        const UA_Node *parentNode = UA_NODESTORE_GET(server, parentNodeId);
        if(parentNode) {
            if(parentNode->head.nodeClass == head->nodeClass)
                typeDefinitionId = parentNodeId;
            UA_NODESTORE_RELEASE(server, parentNode);
        }
    }

    UA_StatusCode retval;
    /* Make sure newly created node does not have itself as parent */
    if(UA_NodeId_equal(nodeId, parentNodeId)) {
        logAddNode(&server->config.logger, session, nodeId,
                   "A node cannot have itself as parent");
        retval = UA_STATUSCODE_BADINVALIDARGUMENT;
        goto cleanup;
    }


    /* Check parent reference. Objects may have no parent. */
    retval = checkParentReference(server, session, head, parentNodeId, referenceTypeId);
    if(retval != UA_STATUSCODE_GOOD) {
        logAddNode(&server->config.logger, session, nodeId,
                   "The parent reference for is invalid");
        goto cleanup;
    }

    /* Replace empty typeDefinition with the most permissive default */
    if((head->nodeClass == UA_NODECLASS_VARIABLE ||
        head->nodeClass == UA_NODECLASS_OBJECT) &&
       UA_NodeId_isNull(typeDefinitionId)) {
        logAddNode(&server->config.logger, session, nodeId,
                   "No TypeDefinition. Use the default "
                   "TypeDefinition for the Variable/Object");
        if(head->nodeClass == UA_NODECLASS_VARIABLE)
            typeDefinitionId = &baseDataVariableType;
        else
            typeDefinitionId = &baseObjectType;
    }

    /* Get the node type. There must be a typedefinition for variables, objects
     * and type-nodes. See the above checks. */
    if(!UA_NodeId_isNull(typeDefinitionId)) {
        /* Get the type node */
        type = UA_NODESTORE_GET(server, typeDefinitionId);
        if(!type) {
            logAddNode(&server->config.logger, session, nodeId, "Node type not found");
            retval = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
            goto cleanup;
        }

        UA_Boolean typeOk = false;
        const UA_NodeHead *typeHead = &type->head;
        switch(head->nodeClass) {
            case UA_NODECLASS_DATATYPE:
                typeOk = typeHead->nodeClass == UA_NODECLASS_DATATYPE;
                break;
            case UA_NODECLASS_METHOD:
                typeOk = typeHead->nodeClass == UA_NODECLASS_METHOD;
                break;
            case UA_NODECLASS_OBJECT:
            case UA_NODECLASS_OBJECTTYPE:
                typeOk = typeHead->nodeClass == UA_NODECLASS_OBJECTTYPE;
                break;
            case UA_NODECLASS_REFERENCETYPE:
                typeOk = typeHead->nodeClass == UA_NODECLASS_REFERENCETYPE;
                break;
            case UA_NODECLASS_VARIABLE:
            case UA_NODECLASS_VARIABLETYPE:
                typeOk = typeHead->nodeClass == UA_NODECLASS_VARIABLETYPE;
                break;
            case UA_NODECLASS_VIEW:
                typeOk = typeHead->nodeClass == UA_NODECLASS_VIEW;
                break;
            default:
                typeOk = false;
        }
        if(!typeOk) {
            logAddNode(&server->config.logger, session, nodeId,
                       "Type does not match the NodeClass");
            retval = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
            goto cleanup;
        }

        /* See if the type has the correct node class. For type-nodes, we know
         * that type has the same nodeClass from checkParentReference. */
        if(head->nodeClass == UA_NODECLASS_VARIABLE &&
           type->variableTypeNode.isAbstract) {
            /* Get subtypes of the parent reference types */
            UA_ReferenceTypeSet refTypes1, refTypes2;
            retval |= referenceTypeIndices(server, &parentReferences[0], &refTypes1, true);
            retval |= referenceTypeIndices(server, &parentReferences[1], &refTypes2, true);
            UA_ReferenceTypeSet refTypes = UA_ReferenceTypeSet_union(refTypes1, refTypes2);
            if(retval != UA_STATUSCODE_GOOD)
                goto cleanup;
            
            /* Abstract variable is allowed if parent is a children of a
             * base data variable. An abstract variable may be part of an
             * object type which again is below BaseObjectType */
            const UA_NodeId variableTypes = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE);
            const UA_NodeId objectTypes = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE);
            if(!isNodeInTree(server, parentNodeId, &variableTypes, &refTypes) &&
               !isNodeInTree(server, parentNodeId, &objectTypes, &refTypes)) {
                logAddNode(&server->config.logger, session, nodeId,
                           "Type of variable node must be a "
                           "VariableType and not cannot be abstract");
                retval = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
                goto cleanup;
            }
        }

        if(head->nodeClass == UA_NODECLASS_OBJECT &&
           type->objectTypeNode.isAbstract) {
            /* Get subtypes of the parent reference types */
            UA_ReferenceTypeSet refTypes1, refTypes2;
            retval |= referenceTypeIndices(server, &parentReferences[0], &refTypes1, true);
            retval |= referenceTypeIndices(server, &parentReferences[1], &refTypes2, true);
            UA_ReferenceTypeSet refTypes = UA_ReferenceTypeSet_union(refTypes1, refTypes2);
            if(retval != UA_STATUSCODE_GOOD)
                goto cleanup;


            /* Object node created of an abstract ObjectType. Only allowed if
             * within BaseObjectType folder or if it's an event (subType of
             * BaseEventType) */
            const UA_NodeId objectTypes = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE);
            UA_Boolean isInBaseObjectType =
                isNodeInTree(server, parentNodeId, &objectTypes, &refTypes);
            
            const UA_NodeId eventTypes = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEEVENTTYPE);
            UA_Boolean isInBaseEventType =
                isNodeInTree_singleRef(server, &type->head.nodeId, &eventTypes,
                                       UA_REFERENCETYPEINDEX_HASSUBTYPE);
            
            if(!isInBaseObjectType &&
               !(isInBaseEventType && UA_NodeId_isNull(parentNodeId))) {
                logAddNode(&server->config.logger, session, nodeId,
                           "Type of ObjectNode must be ObjectType and not be abstract");
                retval = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
                goto cleanup;
            }
        }
    }

    /* Add reference to the parent */
    if(!UA_NodeId_isNull(parentNodeId)) {
        if(UA_NodeId_isNull(referenceTypeId)) {
            logAddNode(&server->config.logger, session, nodeId,
                       "Reference to parent cannot be null");
            retval = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
            goto cleanup;
        }

        retval = addRef(server, session, &head->nodeId, referenceTypeId,
                        parentNodeId, false);
        if(retval != UA_STATUSCODE_GOOD) {
            logAddNode(&server->config.logger, session, nodeId,
                       "Adding reference to parent failed");
            goto cleanup;
        }
    }

    /* Add a hasTypeDefinition reference */
    if(head->nodeClass == UA_NODECLASS_VARIABLE ||
       head->nodeClass == UA_NODECLASS_OBJECT) {
        UA_assert(type != NULL); /* see above */
        retval = addRef(server, session, &head->nodeId, &hasTypeDefinition,
                        &type->head.nodeId, true);
        if(retval != UA_STATUSCODE_GOOD) {
            logAddNode(&server->config.logger, session, nodeId,
                       "Adding a reference to the type definition failed");
        }
    }

 cleanup:
    UA_NODESTORE_RELEASE(server, node);
    if(type)
        UA_NODESTORE_RELEASE(server, type);
    return retval;
}

/* Create the node and add it to the nodestore. But don't typecheck and add
 * references so far */
UA_StatusCode
AddNode_raw(UA_Server *server, UA_Session *session, void *nodeContext,
            const UA_AddNodesItem *item, UA_NodeId *outNewNodeId) {
    /* Do not check access for server */
    if(session != &server->adminSession && server->config.accessControl.allowAddNode) {
        UA_UNLOCK(&server->serviceMutex);
        if(!server->config.accessControl.
           allowAddNode(server, &server->config.accessControl,
                        &session->sessionId, session->sessionHandle, item)) {
            UA_LOCK(&server->serviceMutex);
            return UA_STATUSCODE_BADUSERACCESSDENIED;
        }
        UA_LOCK(&server->serviceMutex);
    }

    /* Check the namespaceindex */
    if(item->requestedNewNodeId.nodeId.namespaceIndex >= server->namespacesSize) {
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "AddNode: Namespace invalid");
        return UA_STATUSCODE_BADNODEIDINVALID;
    }

    if(item->nodeAttributes.encoding != UA_EXTENSIONOBJECT_DECODED &&
       item->nodeAttributes.encoding != UA_EXTENSIONOBJECT_DECODED_NODELETE) {
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "AddNode: Node attributes invalid");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Create a node */
    UA_Node *node = UA_NODESTORE_NEW(server, item->nodeClass);
    if(!node) {
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "AddNode: Node could not create a node "
                            "in the nodestore");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_NodeId tmpOutId = UA_NODEID_NULL;
    /* Fill the node attributes */
    node->head.context = nodeContext;
    UA_StatusCode retval =
        UA_NodeId_copy(&item->requestedNewNodeId.nodeId, &node->head.nodeId);
    if(retval != UA_STATUSCODE_GOOD)
        goto create_error;

    retval = UA_QualifiedName_copy(&item->browseName, &node->head.browseName);
    if(retval != UA_STATUSCODE_GOOD)
        goto create_error;

    retval = UA_Node_setAttributes(node, item->nodeAttributes.content.decoded.data,
                                   item->nodeAttributes.content.decoded.type);
    if(retval != UA_STATUSCODE_GOOD)
        goto create_error;

    /* Add the node to the nodestore */
    if(!outNewNodeId)
        outNewNodeId = &tmpOutId;
    retval = UA_NODESTORE_INSERT(server, node, outNewNodeId);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "AddNode: Node could not add the new node "
                            "to the nodestore with error code %s",
                            UA_StatusCode_name(retval));
        return retval;
    }

    if(outNewNodeId == &tmpOutId)
        UA_NodeId_clear(&tmpOutId);

    return UA_STATUSCODE_GOOD;

create_error:
    UA_LOG_INFO_SESSION(&server->config.logger, session,
                        "AddNode: Node could not create a node "
                        "with error code %s", UA_StatusCode_name(retval));
    UA_NODESTORE_DELETE(server, node);
    return retval;
}

static UA_StatusCode
findDefaultInstanceBrowseNameNode(UA_Server *server, UA_NodeId startingNode,
                                  UA_NodeId *foundId) {
    UA_NodeId_init(foundId);
    UA_RelativePathElement rpe;
    UA_RelativePathElement_init(&rpe);
    rpe.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
    rpe.targetName = UA_QUALIFIEDNAME(0, "DefaultInstanceBrowseName");
    UA_BrowsePath bp;
    UA_BrowsePath_init(&bp);
    bp.startingNode = startingNode;
    bp.relativePath.elementsSize = 1;
    bp.relativePath.elements = &rpe;
    UA_BrowsePathResult bpr = translateBrowsePathToNodeIds(server, &bp);
    UA_StatusCode retval = bpr.statusCode;
    if(retval == UA_STATUSCODE_GOOD && bpr.targetsSize > 0)
        retval = UA_NodeId_copy(&bpr.targets[0].targetId.nodeId, foundId);
    UA_BrowsePathResult_clear(&bpr);
    return retval;
}

/* Check if we got a valid browse name for the new node. For object nodes the
 * BrowseName may only be null if the parent type has a
 * 'DefaultInstanceBrowseName' property. */
static UA_StatusCode
checkSetBrowseName(UA_Server *server, UA_Session *session, UA_AddNodesItem *item) {
    /* If the object node already has a browse name we are done here. */
    if(!UA_QualifiedName_isNull(&item->browseName))
        return UA_STATUSCODE_GOOD;

    /* Nodes other than Objects must have a BrowseName */
    if(item->nodeClass != UA_NODECLASS_OBJECT)
        return UA_STATUSCODE_BADBROWSENAMEINVALID;

    /* At this point we have an object with an empty browse name. Check the type
     * node if it has a DefaultInstanceBrowseName property. */
    UA_NodeId defaultBrowseNameNode;
    UA_StatusCode retval =
        findDefaultInstanceBrowseNameNode(server, item->typeDefinition.nodeId,
                                          &defaultBrowseNameNode);
    if(retval != UA_STATUSCODE_GOOD)
        return UA_STATUSCODE_BADBROWSENAMEINVALID;

    UA_Variant defaultBrowseName;
    retval = readWithReadValue(server, &defaultBrowseNameNode,
                               UA_ATTRIBUTEID_VALUE, &defaultBrowseName);
    UA_NodeId_clear(&defaultBrowseNameNode);
    if(retval != UA_STATUSCODE_GOOD)
        return UA_STATUSCODE_BADBROWSENAMEINVALID;

    if(UA_Variant_hasScalarType(&defaultBrowseName, &UA_TYPES[UA_TYPES_QUALIFIEDNAME])) {
        item->browseName = *(UA_QualifiedName*)defaultBrowseName.data;
        UA_QualifiedName_init((UA_QualifiedName*)defaultBrowseName.data);
    } else {
        retval = UA_STATUSCODE_BADBROWSENAMEINVALID;
    }

    UA_Variant_clear(&defaultBrowseName);
    return retval;
}

/* Prepare the node, then add it to the nodestore */
static UA_StatusCode
Operation_addNode_begin(UA_Server *server, UA_Session *session, void *nodeContext,
                        const UA_AddNodesItem *item, const UA_NodeId *parentNodeId,
                        const UA_NodeId *referenceTypeId, UA_NodeId *outNewNodeId) {
    /* Create a temporary NodeId if none is returned */
    UA_NodeId newId;
    if(!outNewNodeId) {
        UA_NodeId_init(&newId);
        outNewNodeId = &newId;
    }

    /* Set the BrowsenName before adding to the Nodestore. The BrowseName is
     * immutable afterwards. */
    UA_Boolean noBrowseName = UA_QualifiedName_isNull(&item->browseName);
    UA_StatusCode retval =
        checkSetBrowseName(server, session, (UA_AddNodesItem*)(uintptr_t)item);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Create the node and add it to the nodestore */
    retval = AddNode_raw(server, session, nodeContext, item, outNewNodeId);
    if(retval != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Typecheck and add references to parent and type definition */
    retval = AddNode_addRefs(server, session, outNewNodeId, parentNodeId,
                             referenceTypeId, &item->typeDefinition.nodeId);
    if(retval != UA_STATUSCODE_GOOD)
        deleteNode(server, *outNewNodeId, true);

    if(outNewNodeId == &newId)
        UA_NodeId_clear(&newId);

 cleanup:
    if(noBrowseName)
        UA_QualifiedName_clear((UA_QualifiedName*)(uintptr_t)&item->browseName);
    return retval;
}

/* Construct children first */
static UA_StatusCode
recursiveCallConstructors(UA_Server *server, UA_Session *session,
                          const UA_NodeId *nodeId, const UA_Node *type) {
    /* Browse the children */
    UA_BrowseDescription bd;
    UA_BrowseDescription_init(&bd);
    bd.nodeId = *nodeId;
    bd.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_AGGREGATES);
    bd.includeSubtypes = true;
    bd.browseDirection = UA_BROWSEDIRECTION_FORWARD;

    UA_BrowseResult br;
    UA_BrowseResult_init(&br);
    UA_UInt32 maxrefs = 0;
    Operation_Browse(server, session, &maxrefs, &bd, &br);
    if(br.statusCode != UA_STATUSCODE_GOOD)
        return br.statusCode;

    /* Call the constructor for every unconstructed child node */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < br.referencesSize; ++i) {
        UA_ReferenceDescription *rd = &br.references[i];
        if(!UA_ExpandedNodeId_isLocal(&rd->nodeId))
            continue;
        const UA_Node *target = UA_NODESTORE_GET(server, &rd->nodeId.nodeId);
        if(!target)
            continue;
        if(target->head.constructed) {
            UA_NODESTORE_RELEASE(server, target);
            continue;
        }

        const UA_Node *targetType = NULL;
        if(target->head.nodeClass == UA_NODECLASS_VARIABLE ||
           target->head.nodeClass == UA_NODECLASS_OBJECT) {
            targetType = getNodeType(server, &target->head);
            if(!targetType) {
                UA_NODESTORE_RELEASE(server, target);
                retval = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
                break;
            }
        }

        UA_NODESTORE_RELEASE(server, target);
        retval = recursiveCallConstructors(server, session, &rd->nodeId.nodeId, targetType);

        if(targetType)
            UA_NODESTORE_RELEASE(server, targetType);
        if(retval != UA_STATUSCODE_GOOD)
            break;
    }

    UA_BrowseResult_clear(&br);

    /* If a child could not be constructed or the node is already constructed */
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Get the node context */
    const UA_Node *node = UA_NODESTORE_GET(server, nodeId);
    if(!node)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    void *context = node->head.context;
    UA_NODESTORE_RELEASE(server, node);

    /* Call the global constructor */
    if(server->config.nodeLifecycle.constructor) {
        UA_UNLOCK(&server->serviceMutex);
        retval = server->config.nodeLifecycle.
            constructor(server, &session->sessionId,
                        session->sessionHandle, nodeId, &context);
        UA_LOCK(&server->serviceMutex);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    /* Call the local (per-type) constructor */
    const UA_NodeTypeLifecycle *lifecycle = NULL;
    if(type && node->head.nodeClass == UA_NODECLASS_OBJECT)
        lifecycle = &type->objectTypeNode.lifecycle;
    else if(type && node->head.nodeClass == UA_NODECLASS_VARIABLE)
        lifecycle = &type->variableTypeNode.lifecycle;
    if(lifecycle && lifecycle->constructor) {
        UA_UNLOCK(&server->serviceMutex);
        retval = lifecycle->constructor(server, &session->sessionId,
                                        session->sessionHandle, &type->head.nodeId,
                                        type->head.context, nodeId, &context);
        UA_LOCK(&server->serviceMutex);
        if(retval != UA_STATUSCODE_GOOD)
            goto global_destructor;
    }

    /* Set the context *and* mark the node as constructed */
    retval = UA_Server_editNode(server, &server->adminSession, nodeId,
                                (UA_EditNodeCallback)setConstructedNodeContext, context);
    if(retval != UA_STATUSCODE_GOOD)
        goto local_destructor;

    /* All good, return */
    return retval;

    /* Fail. Call the destructors. */
  local_destructor:
    if(lifecycle && lifecycle->destructor) {
        UA_UNLOCK(&server->serviceMutex);
        lifecycle->destructor(server, &session->sessionId, session->sessionHandle,
                              &type->head.nodeId, type->head.context, nodeId, &context);
        UA_LOCK(&server->serviceMutex);
    }

  global_destructor:
    if(server->config.nodeLifecycle.destructor) {
        UA_UNLOCK(&server->serviceMutex);
        server->config.nodeLifecycle.destructor(server, &session->sessionId,
                                                session->sessionHandle,
                                                nodeId, context);
        UA_LOCK(&server->serviceMutex);
    }
    return retval;
}

/* Add new ReferenceType to the subtypes bitfield */
static UA_StatusCode
addReferenceTypeSubtype(UA_Server *server, UA_Session *session,
                        UA_Node *node, void *context) {
    node->referenceTypeNode.subTypes =
        UA_ReferenceTypeSet_union(node->referenceTypeNode.subTypes,
                                  *(UA_ReferenceTypeSet*)context);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
setReferenceTypeSubtypes(UA_Server *server, const UA_ReferenceTypeNode *node) {
    /* Get the ReferenceTypes upwards in the hierarchy */
    size_t parentsSize = 0;
    UA_ExpandedNodeId *parents = NULL;
    UA_ReferenceTypeSet reftypes_subtype = UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASSUBTYPE);
    UA_StatusCode res =
        browseRecursive(server, 1, &node->head.nodeId, UA_BROWSEDIRECTION_INVERSE,
                        &reftypes_subtype, UA_NODECLASS_UNSPECIFIED,
                        false, &parentsSize, &parents);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    /* Add the ReferenceTypeIndex of this node */
    const UA_ReferenceTypeSet *newRefSet = &node->subTypes;
    for(size_t i = 0; i < parentsSize; i++) {
        UA_Server_editNode(server, &server->adminSession, &parents[i].nodeId,
                           addReferenceTypeSubtype, (void*)(uintptr_t)newRefSet);
    }

    UA_Array_delete(parents, parentsSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
setVariableNodeDynamic(UA_Server *server, UA_Session *session,
                       UA_Node *node, const void *_) {
    (void)_; /* unused */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLE)
        ((UA_VariableNode*)node)->isDynamic = true;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
checkSetIsDynamicVariable(UA_Server *server, UA_Session *session,
                          const UA_NodeId *nodeId) {
    /* Get all hierarchical reference types */
    UA_ReferenceTypeSet reftypes_hierarchical;
    UA_ReferenceTypeSet_init(&reftypes_hierarchical);
    UA_NodeId hierarchicalRefs = UA_NODEID_NUMERIC(0, UA_NS0ID_HIERARCHICALREFERENCES);
    UA_StatusCode res =
        referenceTypeIndices(server, &hierarchicalRefs, &reftypes_hierarchical, true);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    /* Is the variable under the server object? */
    UA_NodeId serverNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER);
    if(isNodeInTree(server, nodeId, &serverNodeId, &reftypes_hierarchical))
        return UA_STATUSCODE_GOOD;

    /* Is the variable in the type hierarchy? */
    UA_NodeId typesNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_TYPESFOLDER);
    if(isNodeInTree(server, nodeId, &typesNodeId, &reftypes_hierarchical))
        return UA_STATUSCODE_GOOD;

    /* Is the variable a property of a method node (InputArguments /
     * OutputArguments)? */
    UA_BrowseDescription bd;
    UA_BrowseDescription_init(&bd);
    bd.nodeId = *nodeId;
    bd.browseDirection = UA_BROWSEDIRECTION_INVERSE;
    bd.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
    bd.includeSubtypes = false;
    bd.nodeClassMask = UA_NODECLASS_METHOD;
    UA_BrowseResult br;
    UA_BrowseResult_init(&br);
    UA_UInt32 maxrefs = 0;
    Operation_Browse(server, session, &maxrefs, &bd, &br);
    UA_Boolean hasParentMethod = (br.referencesSize > 0);
    UA_BrowseResult_clear(&br);
    if(hasParentMethod)
        return UA_STATUSCODE_GOOD;

    /* Set the variable to "dynamic" */
    UA_Server_editNode(server, session, nodeId,
                       (UA_EditNodeCallback)setVariableNodeDynamic, NULL);
    
    return UA_STATUSCODE_GOOD;
}

/* Children, references, type-checking, constructors. */
UA_StatusCode
AddNode_finish(UA_Server *server, UA_Session *session, const UA_NodeId *nodeId) {
    /* Get the node */
    const UA_Node *type = NULL;
    const UA_Node *node = UA_NODESTORE_GET(server, nodeId);
    if(!node)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;

    /* Set the ReferenceTypesSet of subtypes in the ReferenceTypeNode */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(node->head.nodeClass == UA_NODECLASS_REFERENCETYPE) {
        retval = setReferenceTypeSubtypes(server, &node->referenceTypeNode);
        if(retval != UA_STATUSCODE_GOOD)
            goto cleanup;
    }

    /* Check NodeClass for 'hasSubtype'. UA_NODECLASS_VARIABLE not allowed
     * to have subtype */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLE) {
        for(size_t i = 0; i < node->head.referencesSize; i++) {
            if(node->head.references[i].referenceTypeIndex ==
               UA_REFERENCETYPEINDEX_HASSUBTYPE) {
                UA_LOG_NODEID_INFO(&node->head.nodeId,
                UA_LOG_INFO_SESSION(&server->config.logger, session,
                                    "AddNode (%.*s): Variable not allowed "
                                    "to have HasSubType reference",
                                    (int)nodeIdStr.length, nodeIdStr.data));
                retval = UA_STATUSCODE_BADREFERENCENOTALLOWED;
                goto cleanup;
            }
        }
    }

    /* Get the type node */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLE ||
       node->head.nodeClass == UA_NODECLASS_VARIABLETYPE ||
       node->head.nodeClass == UA_NODECLASS_OBJECT) {
        type = getNodeType(server, &node->head);
        if(!type) {
            if(server->bootstrapNS0)
                goto constructor;
            logAddNode(&server->config.logger, session, &node->head.nodeId,
                       "Node type not found");
            retval = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
            goto cleanup;
        }
    }

    /* Initialize and typecheck the variable */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLE ||
       node->head.nodeClass == UA_NODECLASS_VARIABLETYPE) {
        /* Use attributes from the type. The value and value constraints are the
         * same for the variable and variabletype attribute structs. */
        retval = useVariableTypeAttributes(server, session,
                                           &node->variableNode,
                                           &type->variableTypeNode);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_NODEID_INFO(&node->head.nodeId,
            UA_LOG_INFO_SESSION(&server->config.logger, session,
                                "AddNode (%.*s): Using attributes for from "
                                "the variable type failed with error code %s",
                                (int)nodeIdStr.length, nodeIdStr.data,
                                UA_StatusCode_name(retval)));
            goto cleanup;
        }

        /* Get a new pointer to the node. It might have been switched out */
#ifdef UA_ENABLE_IMMUTABLE_NODES
        UA_NODESTORE_RELEASE(server, node);
        node = UA_NODESTORE_GET(server, nodeId);
        if(!node || (node->head.nodeClass != UA_NODECLASS_VARIABLE &&
                     node->head.nodeClass != UA_NODECLASS_VARIABLETYPE)) {
            retval = UA_STATUSCODE_BADINTERNALERROR;
            goto cleanup;
        }
#endif

        /* Check if all attributes hold the constraints of the type now. The initial
         * attributes must type-check. The constructor might change the attributes
         * again. Then, the changes are type-checked by the normal write service. */
        retval = typeCheckVariableNode(server, session, &node->variableNode,
                                       &type->variableTypeNode);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_NODEID_INFO(&node->head.nodeId,
            UA_LOG_INFO_SESSION(&server->config.logger, session,
                                "AddNode (%.*s): Type-checking "
                                "failed with error code %s", (int)nodeIdStr.length,
                                nodeIdStr.data, UA_StatusCode_name(retval)));
            goto cleanup;
        }
    }

    /* Add (mandatory) child nodes from the type definition */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLE ||
       node->head.nodeClass == UA_NODECLASS_OBJECT) {
        retval = addTypeChildren(server, session, nodeId, &type->head.nodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_NODEID_INFO(&node->head.nodeId,
            UA_LOG_INFO_SESSION(&server->config.logger, session,
                                "AddNode (%.*s): Adding child nodes "
                                "failed with error code %s", (int)nodeIdStr.length,
                                nodeIdStr.data, UA_StatusCode_name(retval)));
            goto cleanup;
        }
    }

    /* Add (mandatory) child nodes from the HasInterface references */
    if(node->head.nodeClass == UA_NODECLASS_OBJECT) {
        retval = addInterfaceChildren(server, session, nodeId, &type->head.nodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_NODEID_INFO(&node->head.nodeId,
            UA_LOG_INFO_SESSION(&server->config.logger, session,
                                "AddNode (%.*s): Adding child nodes "
                                "interface failed with error code %s",
                                (int)nodeIdStr.length, nodeIdStr.data,
                                UA_StatusCode_name(retval)));
            goto cleanup;
        }
    }

    /* Set variables to dynamic (source and server timestamps are meaningful) if
     * they fulfill some conditions */
    if(node->head.nodeClass == UA_NODECLASS_VARIABLE) {
        retval = checkSetIsDynamicVariable(server, session, nodeId);
        if(retval != UA_STATUSCODE_GOOD)
            goto cleanup;
    }

    /* Call the constructor(s) */
 constructor:
    if(!node->head.constructed)
        retval = recursiveCallConstructors(server, session, nodeId, type);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_NODEID_INFO(&node->head.nodeId,
        UA_LOG_INFO_SESSION(&server->config.logger, session,
                            "AddNode (%.*s): Calling the node constructor(s) "
                            "failed with status code %s", (int)nodeIdStr.length,
                            nodeIdStr.data, UA_StatusCode_name(retval)));
    }

 cleanup:
    if(type)
        UA_NODESTORE_RELEASE(server, type);
    if(node)
        UA_NODESTORE_RELEASE(server, node);
    if(retval != UA_STATUSCODE_GOOD)
        deleteNode(server, *nodeId, true);
    return retval;
}

static void
Operation_addNode(UA_Server *server, UA_Session *session, void *nodeContext,
                  const UA_AddNodesItem *item, UA_AddNodesResult *result) {
    result->statusCode =
        Operation_addNode_begin(server, session, nodeContext,
                                item, &item->parentNodeId.nodeId,
                                &item->referenceTypeId, &result->addedNodeId);
    if(result->statusCode != UA_STATUSCODE_GOOD)
        return;

    /* AddNodes_finish */
    result->statusCode = AddNode_finish(server, session, &result->addedNodeId);

    /* If finishing failed, the node was deleted */
    if(result->statusCode != UA_STATUSCODE_GOOD)
        UA_NodeId_clear(&result->addedNodeId);
}

void
Service_AddNodes(UA_Server *server, UA_Session *session,
                 const UA_AddNodesRequest *request,
                 UA_AddNodesResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session, "Processing AddNodesRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxNodesPerNodeManagement != 0 &&
       request->nodesToAddSize > server->config.maxNodesPerNodeManagement) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_addNode, NULL,
                                           &request->nodesToAddSize,
                                           &UA_TYPES[UA_TYPES_ADDNODESITEM],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_ADDNODESRESULT]);
}

UA_StatusCode
addNode(UA_Server *server, const UA_NodeClass nodeClass, const UA_NodeId *requestedNewNodeId,
        const UA_NodeId *parentNodeId, const UA_NodeId *referenceTypeId,
        const UA_QualifiedName browseName, const UA_NodeId *typeDefinition,
        const UA_NodeAttributes *attr, const UA_DataType *attributeType,
        void *nodeContext, UA_NodeId *outNewNodeId) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Create the AddNodesItem */
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    item.nodeClass = nodeClass;
    item.requestedNewNodeId.nodeId = *requestedNewNodeId;
    item.browseName = browseName;
    item.parentNodeId.nodeId = *parentNodeId;
    item.referenceTypeId = *referenceTypeId;
    item.typeDefinition.nodeId = *typeDefinition;
    UA_ExtensionObject_setValueNoDelete(&item.nodeAttributes,
                                        (void*)(uintptr_t)attr, attributeType);

    /* Call the normal addnodes service */
    UA_AddNodesResult result;
    UA_AddNodesResult_init(&result);
    Operation_addNode(server, &server->adminSession, nodeContext, &item, &result);
    if(outNewNodeId)
        *outNewNodeId = result.addedNodeId;
    else
        UA_NodeId_clear(&result.addedNodeId);
    return result.statusCode;
}

UA_StatusCode
__UA_Server_addNode(UA_Server *server, const UA_NodeClass nodeClass,
                    const UA_NodeId *requestedNewNodeId,
                    const UA_NodeId *parentNodeId,
                    const UA_NodeId *referenceTypeId,
                    const UA_QualifiedName browseName,
                    const UA_NodeId *typeDefinition,
                    const UA_NodeAttributes *attr,
                    const UA_DataType *attributeType,
                    void *nodeContext, UA_NodeId *outNewNodeId) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode reval =
        addNode(server, nodeClass, requestedNewNodeId, parentNodeId,
                referenceTypeId, browseName, typeDefinition, attr,
                attributeType, nodeContext, outNewNodeId);
    UA_UNLOCK(&server->serviceMutex);
    return reval;
}

UA_StatusCode
UA_Server_addNode_begin(UA_Server *server, const UA_NodeClass nodeClass,
                        const UA_NodeId requestedNewNodeId, const UA_NodeId parentNodeId,
                        const UA_NodeId referenceTypeId, const UA_QualifiedName browseName,
                        const UA_NodeId typeDefinition, const void *attr,
                        const UA_DataType *attributeType, void *nodeContext,
                        UA_NodeId *outNewNodeId) {
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    item.nodeClass = nodeClass;
    item.requestedNewNodeId.nodeId = requestedNewNodeId;
    item.browseName = browseName;
    item.typeDefinition.nodeId = typeDefinition;
    UA_ExtensionObject_setValueNoDelete(&item.nodeAttributes,
                                        (void*)(uintptr_t)attr, attributeType);

    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval =
        Operation_addNode_begin(server, &server->adminSession, nodeContext, &item,
                                &parentNodeId, &referenceTypeId, outNewNodeId);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

UA_StatusCode
UA_Server_addNode_finish(UA_Server *server, const UA_NodeId nodeId) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = AddNode_finish(server, &server->adminSession, &nodeId);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/****************/
/* Delete Nodes */
/****************/

static void
Operation_deleteReference(UA_Server *server, UA_Session *session, void *context,
                          const UA_DeleteReferencesItem *item, UA_StatusCode *retval);

/* Remove references to this node (in the other nodes) */
static void
removeIncomingReferences(UA_Server *server, UA_Session *session, const UA_NodeHead *head) {
    UA_DeleteReferencesItem item;
    UA_DeleteReferencesItem_init(&item);
    item.targetNodeId.nodeId = head->nodeId;
    item.deleteBidirectional = false;

    UA_StatusCode dummy;
    for(size_t i = 0; i < head->referencesSize; ++i) {
        const UA_NodeReferenceKind *rk = &head->references[i];
        item.isForward = rk->isInverse;
        item.referenceTypeId =
            *UA_NODESTORE_GETREFERENCETYPEID(server, rk->referenceTypeIndex);
        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(rk, t))) {
            if(!UA_NodePointer_isLocal(t->targetId))
                continue;
            item.sourceNodeId = UA_NodePointer_toNodeId(t->targetId);
            Operation_deleteReference(server, session, NULL, &item, &dummy);
        }
    }
}

/* A node is auto-deleted if all its hierarchical parents are being deleted */
static UA_Boolean
hasParentRef(const UA_NodeHead *head, const UA_ReferenceTypeSet *refSet,
             RefTree *refTree) {
    for(size_t i = 0; i < head->referencesSize; i++) {
        const UA_NodeReferenceKind *rk = &head->references[i];
        if(!rk->isInverse)
            continue;
        if(!UA_ReferenceTypeSet_contains(refSet, rk->referenceTypeIndex))
            continue;
        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(rk, t))) {
            if(!UA_NodePointer_isLocal(t->targetId))
                continue;
            UA_NodeId tmpId = UA_NodePointer_toNodeId(t->targetId);
            if(!RefTree_containsNodeId(refTree, &tmpId))
                return true;
        }
    }
    return false;
}

static void
deconstructNodeSet(UA_Server *server, UA_Session *session,
                   UA_ReferenceTypeSet *hierarchRefsSet, RefTree *refTree) {
    /* Deconstruct the nodes based on the RefTree entries, parent nodes first */
    for(size_t i = 0; i < refTree->size; i++) {
        const UA_Node *member = UA_NODESTORE_GET(server, &refTree->targets[i].nodeId);
        if(!member)
            continue;

        /* Call the type-level destructor */
        void *context = member->head.context; /* No longer needed after this function */
        if(member->head.nodeClass == UA_NODECLASS_OBJECT ||
           member->head.nodeClass == UA_NODECLASS_VARIABLE) {
            const UA_Node *type = getNodeType(server, &member->head);
            if(type) {
               /* Get the lifecycle */
               const UA_NodeTypeLifecycle *lifecycle;
               if(member->head.nodeClass == UA_NODECLASS_OBJECT)
                  lifecycle = &type->objectTypeNode.lifecycle;
               else
                  lifecycle = &type->variableTypeNode.lifecycle;
               
               /* Call the destructor */
               if(lifecycle->destructor) {
                  UA_UNLOCK(&server->serviceMutex);
                  lifecycle->destructor(server,
                                        &session->sessionId, session->sessionHandle,
                                        &type->head.nodeId, type->head.context,
                                        &member->head.nodeId, &context);
                  UA_LOCK(&server->serviceMutex);
               }

               /* Release the type node */
               UA_NODESTORE_RELEASE(server, type);
            }
        }

        /* Call the global destructor */
        if(server->config.nodeLifecycle.destructor) {
            UA_UNLOCK(&server->serviceMutex);
            server->config.nodeLifecycle.destructor(server, &session->sessionId,
                                                    session->sessionHandle,
                                                    &member->head.nodeId, context);
            UA_LOCK(&server->serviceMutex);
        }

        /* Release the node. Don't access the node context from here on. */
        UA_NODESTORE_RELEASE(server, member);

        /* Set the constructed flag to false */
        UA_Server_editNode(server, &server->adminSession, &refTree->targets[i].nodeId,
                           (UA_EditNodeCallback)setDeconstructedNode, NULL);
    }
}

/* The processNodeLayer function searches all children's of the head node and
 * adds the children node to the RefTree if all incoming references sources are
 * contained in the RefTree (No external references to this node --> node can be
 * deleted) */
static UA_StatusCode
autoDeleteChildren(UA_Server *server, UA_Session *session, RefTree *refTree,
                   const UA_ReferenceTypeSet *hierarchRefsSet, const UA_NodeHead *head){
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < head->referencesSize; ++i) {
        /* Check if the ReferenceType is hierarchical */
        UA_NodeReferenceKind *refs = &head->references[i];
        if(!UA_ReferenceTypeSet_contains(hierarchRefsSet, refs->referenceTypeIndex))
            continue;

        /* Check if the references are forward (to a child) */
        if(refs->isInverse)
            continue;

        /* Loop over the references */
        const UA_ReferenceTarget *t = NULL;
        while((t = UA_NodeReferenceKind_iterate(refs, t))) {
            /* Get the child */
            const UA_Node *child = UA_NODESTORE_GETFROMREF(server, t->targetId);
            if(!child)
                continue;

            /* Only delete child nodes that have no other parent */
            if(!hasParentRef(&child->head, hierarchRefsSet, refTree))
                res = RefTree_addNodeId(refTree, &child->head.nodeId, NULL);
            UA_NODESTORE_RELEASE(server, child);
            if(res != UA_STATUSCODE_GOOD)
                return res;
        }
    }
    return UA_STATUSCODE_GOOD;
}

/* Build up an ordered set (tree) of all nodes that can be deleted. Step through
 * the ordered set in order to avoid recursion. */
static UA_StatusCode
buildDeleteNodeSet(UA_Server *server, UA_Session *session,
                   const UA_ReferenceTypeSet *hierarchRefsSet,
                   const UA_NodeId *initial, UA_Boolean removeTargetRefs,
                   RefTree *refTree) {
    /* Add the initial node to delete */
    UA_StatusCode res = RefTree_addNodeId(refTree, initial, NULL);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    /* Find out which hierarchical children should also be deleted. We know
     * there are no "external" ExpandedNodeId in the RefTree. */
    size_t pos = 0;
    while(pos < refTree->size) {
        const UA_Node *member = UA_NODESTORE_GET(server, &refTree->targets[pos].nodeId);
        pos++;
        if(!member)
            continue;
        res |= autoDeleteChildren(server, session, refTree, hierarchRefsSet, &member->head);
        UA_NODESTORE_RELEASE(server, member);
    }
    return res;
}

static void
deleteNodeSet(UA_Server *server, UA_Session *session,
              const UA_ReferenceTypeSet *hierarchRefsSet,
              UA_Boolean removeTargetRefs, RefTree *refTree) {
    /* Delete the nodes based on the RefTree entries */
    for(size_t i = refTree->size; i > 0; --i) {
        const UA_Node *member = UA_NODESTORE_GET(server, &refTree->targets[i-1].nodeId);
        if(!member)
            continue;
        UA_NODESTORE_RELEASE(server, member);
        if(removeTargetRefs)
            removeIncomingReferences(server, session, &member->head);
        UA_NODESTORE_REMOVE(server, &member->head.nodeId);
    }
}

static void
deleteNodeOperation(UA_Server *server, UA_Session *session, void *context,
                    const UA_DeleteNodesItem *item, UA_StatusCode *result) {
    /* Do not check access for server */
    if(session != &server->adminSession && server->config.accessControl.allowDeleteNode) {
        UA_UNLOCK(&server->serviceMutex);
        if(!server->config.accessControl.
           allowDeleteNode(server, &server->config.accessControl,
                           &session->sessionId, session->sessionHandle, item)) {
            UA_LOCK(&server->serviceMutex);
            *result = UA_STATUSCODE_BADUSERACCESSDENIED;
            return;
        }
        UA_LOCK(&server->serviceMutex);
    }

    const UA_Node *node = UA_NODESTORE_GET(server, &item->nodeId);
    if(!node) {
        *result = UA_STATUSCODE_BADNODEIDUNKNOWN;
        return;
    }

    if(UA_Node_hasSubTypeOrInstances(&node->head)) {
        UA_LOG_NODEID_INFO(&node->head.nodeId,
        UA_LOG_INFO_SESSION(&server->config.logger, session, "DeleteNode (%.*s): "
                            "Cannot delete a type node with active instances or "
                            "subtypes", (int)nodeIdStr.length, nodeIdStr.data));
        UA_NODESTORE_RELEASE(server, node);
        *result = UA_STATUSCODE_BADINTERNALERROR;
        return;
    }

    /* TODO: Check if the information model consistency is violated */
    /* TODO: Check if the node is a mandatory child of a parent */

    /* Relase the node. Don't access the pointer after this! */
    UA_NODESTORE_RELEASE(server, node);

    /* A node can be referenced with hierarchical references from several
     * parents in the information model. (But not in a circular way.) The
     * hierarchical references are checked to see if a node can be deleted.
     * Getting the type hierarchy can fail in case of low RAM. In that case the
     * nodes are always deleted. */
    UA_ReferenceTypeSet hierarchRefsSet;
    UA_NodeId hr = UA_NODEID_NUMERIC(0, UA_NS0ID_HIERARCHICALREFERENCES);
    *result = referenceTypeIndices(server, &hr, &hierarchRefsSet, true);
    if(*result != UA_STATUSCODE_GOOD)
        return;

    /* The list of childs is needed for the deconstructing and deleting phase.
     * Within the processNodeLayer we generate a RefTree based set of childs
     * which can be deleted beside the parent node. */
    RefTree refTree;
    *result = RefTree_init(&refTree);
    if(*result != UA_STATUSCODE_GOOD)
        return;
    *result = buildDeleteNodeSet(server, session, &hierarchRefsSet, &item->nodeId,
                                 item->deleteTargetReferences, &refTree);
    if(*result != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_SESSION(&server->config.logger, session,
                               "DeleteNode: Incomplete lookup of nodes. "
                               "Still deleting what we have.");
        /* Continue, so the RefTree is cleaned up. Return the error message
         * anyway. */
    }

    /* Deconstruct, then delete, then clean up the set */
    deconstructNodeSet(server, session, &hierarchRefsSet, &refTree);
    deleteNodeSet(server, session, &hierarchRefsSet,
                  item->deleteTargetReferences, &refTree);
    RefTree_clear(&refTree);
}

void
Service_DeleteNodes(UA_Server *server, UA_Session *session,
                    const UA_DeleteNodesRequest *request,
                    UA_DeleteNodesResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing DeleteNodesRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxNodesPerNodeManagement != 0 &&
       request->nodesToDeleteSize > server->config.maxNodesPerNodeManagement) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)deleteNodeOperation,
                                           NULL, &request->nodesToDeleteSize,
                                           &UA_TYPES[UA_TYPES_DELETENODESITEM],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_STATUSCODE]);
}

UA_StatusCode
UA_Server_deleteNode(UA_Server *server, const UA_NodeId nodeId,
                     UA_Boolean deleteReferences) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = deleteNode(server, nodeId, deleteReferences);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

UA_StatusCode
deleteNode(UA_Server *server, const UA_NodeId nodeId,
                     UA_Boolean deleteReferences) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_DeleteNodesItem item;
    item.deleteTargetReferences = deleteReferences;
    item.nodeId = nodeId;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    deleteNodeOperation(server, &server->adminSession, NULL, &item, &retval);
    return retval;
}

/******************/
/* Add References */
/******************/

struct AddNodeInfo {
    UA_Byte refTypeIndex;
    UA_Boolean isForward;
    const UA_ExpandedNodeId *targetNodeId;
    UA_UInt32 targetBrowseNameHash;
};

static UA_StatusCode
addOneWayReference(UA_Server *server, UA_Session *session, UA_Node *node,
                   const struct AddNodeInfo *info) {
    return UA_Node_addReference(node, info->refTypeIndex, info->isForward,
                                info->targetNodeId, info->targetBrowseNameHash);
}

static UA_StatusCode
deleteOneWayReference(UA_Server *server, UA_Session *session, UA_Node *node,
                      const UA_DeleteReferencesItem *item) {
    const UA_Node *refType = UA_NODESTORE_GET(server, &item->referenceTypeId);
    if(!refType)
        return UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
    if(refType->head.nodeClass != UA_NODECLASS_REFERENCETYPE) {
        UA_NODESTORE_RELEASE(server, refType);
        return UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
    }
    UA_Byte refTypeIndex = refType->referenceTypeNode.referenceTypeIndex;
    UA_NODESTORE_RELEASE(server, refType);
    return UA_Node_deleteReference(node, refTypeIndex, item->isForward, &item->targetNodeId);
}

static void
Operation_addReference(UA_Server *server, UA_Session *session, void *context,
                       const UA_AddReferencesItem *item, UA_StatusCode *retval) {
    (void)context;
    UA_assert(session);

    /* Check access rights */
    if(session != &server->adminSession && server->config.accessControl.allowAddReference) {
        UA_UNLOCK(&server->serviceMutex);
        if (!server->config.accessControl.
                allowAddReference(server, &server->config.accessControl,
                                  &session->sessionId, session->sessionHandle, item)) {
            UA_LOCK(&server->serviceMutex);
            *retval = UA_STATUSCODE_BADUSERACCESSDENIED;
            return;
        }
        UA_LOCK(&server->serviceMutex);
    }

    /* TODO: Currently no expandednodeids are allowed */
    if(item->targetServerUri.length > 0) {
        *retval = UA_STATUSCODE_BADNOTIMPLEMENTED;
        return;
    }

    /* Check the ReferenceType and get the index */
    const UA_Node *refType = UA_NODESTORE_GET(server, &item->referenceTypeId);
    if(!refType) {
        *retval = UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
        return;
    }
    if(refType->head.nodeClass != UA_NODECLASS_REFERENCETYPE) {
        UA_NODESTORE_RELEASE(server, refType);
        *retval = UA_STATUSCODE_BADREFERENCETYPEIDINVALID;
        return;
    }
    UA_Byte refTypeIndex = refType->referenceTypeNode.referenceTypeIndex;
    UA_NODESTORE_RELEASE(server, refType);

    /* Get the source and target node BrowseName hash */
    const UA_Node *targetNode = UA_NODESTORE_GET(server, &item->targetNodeId.nodeId);
    if(!targetNode) {
        *retval = UA_STATUSCODE_BADTARGETNODEIDINVALID;
        return;
    }
    UA_UInt32 targetNameHash = UA_QualifiedName_hash(&targetNode->head.browseName);
    UA_NODESTORE_RELEASE(server, targetNode);

    const UA_Node *sourceNode = UA_NODESTORE_GET(server, &item->sourceNodeId);
    if(!sourceNode) {
        *retval = UA_STATUSCODE_BADSOURCENODEIDINVALID;
        return;
    }
    UA_UInt32 sourceNameHash = UA_QualifiedName_hash(&sourceNode->head.browseName);
    UA_NODESTORE_RELEASE(server, sourceNode);

    /* Compute the BrowseName hash and release the target */
    struct AddNodeInfo info;
    info.refTypeIndex = refTypeIndex;
    info.targetNodeId = &item->targetNodeId;
    info.isForward = item->isForward;
    info.targetBrowseNameHash = targetNameHash;

    /* Add the first direction */
    *retval = UA_Server_editNode(server, session, &item->sourceNodeId,
                                 (UA_EditNodeCallback)addOneWayReference, &info);
    UA_Boolean firstExisted = false;
    if(*retval == UA_STATUSCODE_BADDUPLICATEREFERENCENOTALLOWED) {
        *retval = UA_STATUSCODE_GOOD;
        firstExisted = true;
    }
    if(*retval != UA_STATUSCODE_GOOD)
        return;

    /* Add the second direction */
    UA_ExpandedNodeId target2;
    UA_ExpandedNodeId_init(&target2);
    target2.nodeId = item->sourceNodeId;
    info.targetNodeId = &target2;
    info.isForward = !info.isForward;
    info.targetBrowseNameHash = sourceNameHash;
    *retval = UA_Server_editNode(server, session, &item->targetNodeId.nodeId,
                                 (UA_EditNodeCallback)addOneWayReference, &info);

    /* Second direction existed already */
    if(*retval == UA_STATUSCODE_BADDUPLICATEREFERENCENOTALLOWED) {
        /* Calculate common duplicate reference not allowed result and set bad
         * result if BOTH directions already existed */
        if(UA_NodeId_equal(&item->sourceNodeId, &item->targetNodeId.nodeId)) {
            *retval = UA_STATUSCODE_GOOD;
            UA_LOG_INFO_SESSION(&server->config.logger, session, "The source node and the target node are identical. The check for duplicate references is skipped.");
        }
        else if(firstExisted) {
            *retval = UA_STATUSCODE_BADDUPLICATEREFERENCENOTALLOWED;
            return;
        }
        *retval = UA_STATUSCODE_GOOD;
    }

    /* Remove first direction if the second direction failed */
    if(*retval != UA_STATUSCODE_GOOD && !firstExisted) {
        UA_DeleteReferencesItem deleteItem;
        deleteItem.sourceNodeId = item->sourceNodeId;
        deleteItem.referenceTypeId = item->referenceTypeId;
        deleteItem.isForward = item->isForward;
        deleteItem.targetNodeId = item->targetNodeId;
        deleteItem.deleteBidirectional = false;
        /* Ignore status code */
        UA_Server_editNode(server, session, &item->sourceNodeId,
                           (UA_EditNodeCallback)deleteOneWayReference, &deleteItem);
    }
}

void
Service_AddReferences(UA_Server *server, UA_Session *session,
                      const UA_AddReferencesRequest *request,
                      UA_AddReferencesResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing AddReferencesRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_assert(session);

    if(server->config.maxNodesPerNodeManagement != 0 &&
       request->referencesToAddSize > server->config.maxNodesPerNodeManagement) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_addReference,
                                           NULL, &request->referencesToAddSize,
                                           &UA_TYPES[UA_TYPES_ADDREFERENCESITEM],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_STATUSCODE]);
}

UA_StatusCode
UA_Server_addReference(UA_Server *server, const UA_NodeId sourceId,
                       const UA_NodeId refTypeId,
                       const UA_ExpandedNodeId targetId,
                       UA_Boolean isForward) {
    UA_AddReferencesItem item;
    UA_AddReferencesItem_init(&item);
    item.sourceNodeId = sourceId;
    item.referenceTypeId = refTypeId;
    item.isForward = isForward;
    item.targetNodeId = targetId;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_LOCK(&server->serviceMutex);
    Operation_addReference(server, &server->adminSession, NULL, &item, &retval);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/*********************/
/* Delete References */
/*********************/

static void
Operation_deleteReference(UA_Server *server, UA_Session *session, void *context,
                          const UA_DeleteReferencesItem *item, UA_StatusCode *retval) {
    /* Do not check access for server */
    if(session != &server->adminSession &&
       server->config.accessControl.allowDeleteReference) {
        UA_UNLOCK(&server->serviceMutex);
        if (!server->config.accessControl.
                allowDeleteReference(server, &server->config.accessControl,
                                     &session->sessionId, session->sessionHandle, item)){
            UA_LOCK(&server->serviceMutex);
            *retval = UA_STATUSCODE_BADUSERACCESSDENIED;
            return;
        }
        UA_LOCK(&server->serviceMutex);
    }

    // TODO: Check consistency constraints, remove the references.
    *retval = UA_Server_editNode(server, session, &item->sourceNodeId,
                                 (UA_EditNodeCallback)deleteOneWayReference,
                                 /* cast away const qualifier because callback
                                  * uses it anyway */
                                 (UA_DeleteReferencesItem *)(uintptr_t)item);
    if(*retval != UA_STATUSCODE_GOOD)
        return;

    if(!item->deleteBidirectional || item->targetNodeId.serverIndex != 0)
        return;

    UA_DeleteReferencesItem secondItem;
    UA_DeleteReferencesItem_init(&secondItem);
    secondItem.isForward = !item->isForward;
    secondItem.sourceNodeId = item->targetNodeId.nodeId;
    secondItem.targetNodeId.nodeId = item->sourceNodeId;
    secondItem.referenceTypeId = item->referenceTypeId;
    *retval = UA_Server_editNode(server, session, &secondItem.sourceNodeId,
                                 (UA_EditNodeCallback)deleteOneWayReference,
                                 &secondItem);
}

void
Service_DeleteReferences(UA_Server *server, UA_Session *session,
                         const UA_DeleteReferencesRequest *request,
                         UA_DeleteReferencesResponse *response) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Processing DeleteReferencesRequest");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(server->config.maxNodesPerNodeManagement != 0 &&
       request->referencesToDeleteSize > server->config.maxNodesPerNodeManagement) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYOPERATIONS;
        return;
    }

    response->responseHeader.serviceResult =
        UA_Server_processServiceOperations(server, session,
                                           (UA_ServiceOperation)Operation_deleteReference,
                                           NULL, &request->referencesToDeleteSize,
                                           &UA_TYPES[UA_TYPES_DELETEREFERENCESITEM],
                                           &response->resultsSize,
                                           &UA_TYPES[UA_TYPES_STATUSCODE]);
}

UA_StatusCode
UA_Server_deleteReference(UA_Server *server, const UA_NodeId sourceNodeId,
                          const UA_NodeId referenceTypeId, UA_Boolean isForward,
                          const UA_ExpandedNodeId targetNodeId,
                          UA_Boolean deleteBidirectional) {
    UA_DeleteReferencesItem item;
    item.sourceNodeId = sourceNodeId;
    item.referenceTypeId = referenceTypeId;
    item.isForward = isForward;
    item.targetNodeId = targetNodeId;
    item.deleteBidirectional = deleteBidirectional;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_LOCK(&server->serviceMutex);
    Operation_deleteReference(server, &server->adminSession, NULL, &item, &retval);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/**********************/
/* Set Value Callback */
/**********************/

static UA_StatusCode
setValueCallback(UA_Server *server, UA_Session *session,
                 UA_VariableNode *node, const UA_ValueCallback *callback) {
    if(node->head.nodeClass != UA_NODECLASS_VARIABLE)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    node->value.data.callback = *callback;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_setVariableNode_valueCallback(UA_Server *server,
                                        const UA_NodeId nodeId,
                                        const UA_ValueCallback callback) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = UA_Server_editNode(server, &server->adminSession, &nodeId,
                                              (UA_EditNodeCallback)setValueCallback,
                                              /* cast away const because
                                               * callback uses const anyway */
                                              (UA_ValueCallback *)(uintptr_t) &callback);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/***************************************************/
/* Special Handling of Variables with Data Sources */
/***************************************************/

UA_StatusCode
UA_Server_addDataSourceVariableNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                                    const UA_NodeId parentNodeId,
                                    const UA_NodeId referenceTypeId,
                                    const UA_QualifiedName browseName,
                                    const UA_NodeId typeDefinition,
                                    const UA_VariableAttributes attr,
                                    const UA_DataSource dataSource,
                                    void *nodeContext, UA_NodeId *outNewNodeId) {
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    item.nodeClass = UA_NODECLASS_VARIABLE;
    item.requestedNewNodeId.nodeId = requestedNewNodeId;
    item.browseName = browseName;
    UA_ExpandedNodeId typeDefinitionId;
    UA_ExpandedNodeId_init(&typeDefinitionId);
    typeDefinitionId.nodeId = typeDefinition;
    item.typeDefinition = typeDefinitionId;
    UA_ExtensionObject_setValueNoDelete(&item.nodeAttributes, (void*)(uintptr_t)&attr,
                                        &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES]);
    UA_NodeId newNodeId;
    if(!outNewNodeId) {
        newNodeId = UA_NODEID_NULL;
        outNewNodeId = &newNodeId;
    }

    UA_LOCK(&server->serviceMutex);
    /* Create the node and add it to the nodestore */
    UA_StatusCode retval = AddNode_raw(server, &server->adminSession, nodeContext,
                                       &item, outNewNodeId);
    if(retval != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Set the data source */
    retval = setVariableNode_dataSource(server, *outNewNodeId, dataSource);
    if(retval != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Typecheck and add references to parent and type definition */
    retval = AddNode_addRefs(server, &server->adminSession, outNewNodeId, &parentNodeId,
                             &referenceTypeId, &typeDefinition);
    if(retval != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Call the constructors */
    retval = AddNode_finish(server, &server->adminSession, outNewNodeId);

 cleanup:
    UA_UNLOCK(&server->serviceMutex);
    if(outNewNodeId == &newNodeId)
        UA_NodeId_clear(&newNodeId);

    return retval;
}

static UA_StatusCode
setDataSource(UA_Server *server, UA_Session *session,
              UA_VariableNode *node, const UA_DataSource *dataSource) {
    if(node->head.nodeClass != UA_NODECLASS_VARIABLE)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    if(node->valueSource == UA_VALUESOURCE_DATA)
        UA_DataValue_clear(&node->value.data.value);
    node->value.dataSource = *dataSource;
    node->valueSource = UA_VALUESOURCE_DATASOURCE;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
setVariableNode_dataSource(UA_Server *server, const UA_NodeId nodeId,
                                     const UA_DataSource dataSource) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    return UA_Server_editNode(server, &server->adminSession, &nodeId,
                              (UA_EditNodeCallback)setDataSource,
                              /* casting away const because callback casts it back anyway */
                              (UA_DataSource *) (uintptr_t)&dataSource);
}

UA_StatusCode
UA_Server_setVariableNode_dataSource(UA_Server *server, const UA_NodeId nodeId,
                                     const UA_DataSource dataSource) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = setVariableNode_dataSource(server, nodeId, dataSource);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/******************************/
/* Set External Value Source  */
/******************************/
static UA_StatusCode
setExternalValueSource(UA_Server *server, UA_Session *session,
                 UA_VariableNode *node, const UA_ValueBackend *externalValueSource) {
    if(node->head.nodeClass != UA_NODECLASS_VARIABLE)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    node->valueBackend.backendType = UA_VALUEBACKENDTYPE_EXTERNAL;
    node->valueBackend.backend.external.value =
        externalValueSource->backend.external.value;
    node->valueBackend.backend.external.callback.notificationRead =
        externalValueSource->backend.external.callback.notificationRead;
    node->valueBackend.backend.external.callback.userWrite =
        externalValueSource->backend.external.callback.userWrite;
    return UA_STATUSCODE_GOOD;
}

/****************************/
/* Set Data Source Callback */
/****************************/
static UA_StatusCode
setDataSourceCallback(UA_Server *server, UA_Session *session,
                 UA_VariableNode *node, const UA_DataSource *dataSource) {
    if(node->head.nodeClass != UA_NODECLASS_VARIABLE)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    node->valueBackend.backendType = UA_VALUEBACKENDTYPE_DATA_SOURCE_CALLBACK;
    node->valueBackend.backend.dataSource.read = dataSource->read;
    node->valueBackend.backend.dataSource.write = dataSource->write;
    return UA_STATUSCODE_GOOD;
}

/**********************/
/* Set Value Backend  */
/**********************/

UA_StatusCode
UA_Server_setVariableNode_valueBackend(UA_Server *server, const UA_NodeId nodeId,
                                       const UA_ValueBackend valueBackend){
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_LOCK(&server->serviceMutex);
    switch(valueBackend.backendType){
        case UA_VALUEBACKENDTYPE_NONE:
            UA_UNLOCK(&server->serviceMutex);
            return UA_STATUSCODE_BADCONFIGURATIONERROR;
        case UA_VALUEBACKENDTYPE_DATA_SOURCE_CALLBACK:
            retval = UA_Server_editNode(server, &server->adminSession, &nodeId,
                                        (UA_EditNodeCallback) setDataSourceCallback,
                                        (UA_DataSource *)(uintptr_t) &valueBackend.backend.dataSource);
            break;
        case UA_VALUEBACKENDTYPE_INTERNAL:
            break;
        case UA_VALUEBACKENDTYPE_EXTERNAL:
            retval = UA_Server_editNode(server, &server->adminSession, &nodeId,
                                        (UA_EditNodeCallback) setExternalValueSource,
                /* cast away const because callback uses const anyway */
                                        (UA_ValueCallback *)(uintptr_t) &valueBackend);
            break;
    }


    // UA_StatusCode retval = UA_Server_editNode(server, &server->adminSession, &nodeId,
    // (UA_EditNodeCallback)setValueCallback,
    /* cast away const because callback uses const anyway */
    // (UA_ValueCallback *)(uintptr_t) &callback);


    UA_UNLOCK(&server->serviceMutex);
    return retval;
}


/************************************/
/* Special Handling of Method Nodes */
/************************************/

#ifdef UA_ENABLE_METHODCALLS

static const UA_NodeId hasproperty = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASPROPERTY}};
static const UA_NodeId propertytype = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_PROPERTYTYPE}};

static UA_StatusCode
UA_Server_addMethodNodeEx_finish(UA_Server *server, const UA_NodeId nodeId,
                                 UA_MethodCallback method,
                                 const size_t inputArgumentsSize,
                                 const UA_Argument *inputArguments,
                                 const UA_NodeId inputArgumentsRequestedNewNodeId,
                                 UA_NodeId *inputArgumentsOutNewNodeId,
                                 const size_t outputArgumentsSize,
                                 const UA_Argument *outputArguments,
                                 const UA_NodeId outputArgumentsRequestedNewNodeId,
                                 UA_NodeId *outputArgumentsOutNewNodeId) {
    /* Browse to see which argument nodes exist */
    UA_BrowseDescription bd;
    UA_BrowseDescription_init(&bd);
    bd.nodeId = nodeId;
    bd.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
    bd.includeSubtypes = false;
    bd.browseDirection = UA_BROWSEDIRECTION_FORWARD;
    bd.nodeClassMask = UA_NODECLASS_VARIABLE;
    bd.resultMask = UA_BROWSERESULTMASK_BROWSENAME;

    UA_BrowseResult br;
    UA_BrowseResult_init(&br);
    UA_UInt32 maxrefs = 0;
    Operation_Browse(server, &server->adminSession, &maxrefs, &bd, &br);

    UA_StatusCode retval = br.statusCode;
    if(retval != UA_STATUSCODE_GOOD) {
        deleteNode(server, nodeId, true);
        UA_BrowseResult_clear(&br);
        return retval;
    }

    /* Filter out the argument nodes */
    UA_NodeId inputArgsId = UA_NODEID_NULL;
    UA_NodeId outputArgsId = UA_NODEID_NULL;
    const UA_QualifiedName inputArgsName = UA_QUALIFIEDNAME(0, "InputArguments");
    const UA_QualifiedName outputArgsName = UA_QUALIFIEDNAME(0, "OutputArguments");
    for(size_t i = 0; i < br.referencesSize; i++) {
        UA_ReferenceDescription *rd = &br.references[i];
        if(rd->browseName.namespaceIndex == 0 &&
           UA_String_equal(&rd->browseName.name, &inputArgsName.name))
            inputArgsId = rd->nodeId.nodeId;
        else if(rd->browseName.namespaceIndex == 0 &&
                UA_String_equal(&rd->browseName.name, &outputArgsName.name))
            outputArgsId = rd->nodeId.nodeId;
    }

    /* Add the Input Arguments VariableNode */
    if(inputArgumentsSize > 0 && UA_NodeId_isNull(&inputArgsId)) {
        UA_VariableAttributes attr = UA_VariableAttributes_default;
        char *name = "InputArguments";
        attr.displayName = UA_LOCALIZEDTEXT("", name);
        attr.dataType = UA_TYPES[UA_TYPES_ARGUMENT].typeId;
        attr.valueRank = UA_VALUERANK_ONE_DIMENSION;
        UA_UInt32 inputArgsSize32 = (UA_UInt32)inputArgumentsSize;
        attr.arrayDimensions = &inputArgsSize32;
        attr.arrayDimensionsSize = 1;
        UA_Variant_setArray(&attr.value, (void *)(uintptr_t)inputArguments,
                            inputArgumentsSize, &UA_TYPES[UA_TYPES_ARGUMENT]);
        retval = addNode(server, UA_NODECLASS_VARIABLE, &inputArgumentsRequestedNewNodeId,
                         &nodeId, &hasproperty, UA_QUALIFIEDNAME(0, name),
                         &propertytype, (const UA_NodeAttributes*)&attr,
                         &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],
                         NULL, &inputArgsId);
        if(retval != UA_STATUSCODE_GOOD)
            goto error;
    }

    /* Add the Output Arguments VariableNode */
    if(outputArgumentsSize > 0 && UA_NodeId_isNull(&outputArgsId)) {
        UA_VariableAttributes attr = UA_VariableAttributes_default;
        char *name = "OutputArguments";
        attr.displayName = UA_LOCALIZEDTEXT("", name);
        attr.dataType = UA_TYPES[UA_TYPES_ARGUMENT].typeId;
        attr.valueRank = UA_VALUERANK_ONE_DIMENSION;
        UA_UInt32 outputArgsSize32 = (UA_UInt32)outputArgumentsSize;
        attr.arrayDimensions = &outputArgsSize32;
        attr.arrayDimensionsSize = 1;
        UA_Variant_setArray(&attr.value, (void *)(uintptr_t)outputArguments,
                            outputArgumentsSize, &UA_TYPES[UA_TYPES_ARGUMENT]);
        retval = addNode(server, UA_NODECLASS_VARIABLE, &outputArgumentsRequestedNewNodeId,
                         &nodeId, &hasproperty, UA_QUALIFIEDNAME(0, name),
                         &propertytype, (const UA_NodeAttributes*)&attr,
                         &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],
                         NULL, &outputArgsId);
        if(retval != UA_STATUSCODE_GOOD)
            goto error;
    }

    retval = setMethodNode_callback(server, nodeId, method);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    /* Call finish to add the parent reference */
    retval = AddNode_finish(server, &server->adminSession, &nodeId);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    if(inputArgumentsOutNewNodeId != NULL) {
        UA_NodeId_copy(&inputArgsId, inputArgumentsOutNewNodeId);
    }
    if(outputArgumentsOutNewNodeId != NULL) {
        UA_NodeId_copy(&outputArgsId, outputArgumentsOutNewNodeId);
    }
    UA_BrowseResult_clear(&br);
    return retval;

error:
    deleteNode(server, nodeId, true);
    deleteNode(server, inputArgsId, true);
    deleteNode(server, outputArgsId, true);
    UA_BrowseResult_clear(&br);
    return retval;
}

UA_StatusCode
UA_Server_addMethodNode_finish(UA_Server *server, const UA_NodeId nodeId,
                               UA_MethodCallback method,
                               size_t inputArgumentsSize,
                               const UA_Argument* inputArguments,
                               size_t outputArgumentsSize,
                               const UA_Argument* outputArguments) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval =
        UA_Server_addMethodNodeEx_finish(server, nodeId, method,
                                         inputArgumentsSize, inputArguments,
                                         UA_NODEID_NULL, NULL,
                                         outputArgumentsSize, outputArguments,
                                         UA_NODEID_NULL, NULL);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

UA_StatusCode
UA_Server_addMethodNodeEx(UA_Server *server, const UA_NodeId requestedNewNodeId,
                          const UA_NodeId parentNodeId,
                          const UA_NodeId referenceTypeId,
                          const UA_QualifiedName browseName,
                          const UA_MethodAttributes attr, UA_MethodCallback method,
                          size_t inputArgumentsSize, const UA_Argument *inputArguments,
                          const UA_NodeId inputArgumentsRequestedNewNodeId,
                          UA_NodeId *inputArgumentsOutNewNodeId,
                          size_t outputArgumentsSize, const UA_Argument *outputArguments,
                          const UA_NodeId outputArgumentsRequestedNewNodeId,
                          UA_NodeId *outputArgumentsOutNewNodeId,
                          void *nodeContext, UA_NodeId *outNewNodeId) {
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    item.nodeClass = UA_NODECLASS_METHOD;
    item.requestedNewNodeId.nodeId = requestedNewNodeId;
    item.browseName = browseName;
    UA_ExtensionObject_setValueNoDelete(&item.nodeAttributes, (void*)(uintptr_t)&attr,
                                        &UA_TYPES[UA_TYPES_METHODATTRIBUTES]);
    UA_NodeId newId;
    if(!outNewNodeId) {
        UA_NodeId_init(&newId);
        outNewNodeId = &newId;
    }
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = Operation_addNode_begin(server, &server->adminSession,
                                                   nodeContext, &item, &parentNodeId,
                                                   &referenceTypeId, outNewNodeId);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_UNLOCK(&server->serviceMutex);
        return retval;
    }

    retval = UA_Server_addMethodNodeEx_finish(server, *outNewNodeId, method,
                                              inputArgumentsSize, inputArguments,
                                              inputArgumentsRequestedNewNodeId,
                                              inputArgumentsOutNewNodeId,
                                              outputArgumentsSize, outputArguments,
                                              outputArgumentsRequestedNewNodeId,
                                              outputArgumentsOutNewNodeId);
    UA_UNLOCK(&server->serviceMutex);
    if(outNewNodeId == &newId)
        UA_NodeId_clear(&newId);
    return retval;
}

static UA_StatusCode
editMethodCallback(UA_Server *server, UA_Session* session,
                   UA_Node *node, UA_MethodCallback methodCallback) {
    if(node->head.nodeClass != UA_NODECLASS_METHOD)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    node->methodNode.method = methodCallback;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
setMethodNode_callback(UA_Server *server,
                       const UA_NodeId methodNodeId,
                       UA_MethodCallback methodCallback) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    return UA_Server_editNode(server, &server->adminSession, &methodNodeId,
                              (UA_EditNodeCallback)editMethodCallback,
                              (void*)(uintptr_t)methodCallback);
}

UA_StatusCode
UA_Server_setMethodNodeCallback(UA_Server *server,
                                const UA_NodeId methodNodeId,
                                UA_MethodCallback methodCallback) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retVal = setMethodNode_callback(server, methodNodeId, methodCallback);
    UA_UNLOCK(&server->serviceMutex);
    return retVal;
}

UA_StatusCode
UA_Server_getMethodNodeCallback(UA_Server *server,
                                const UA_NodeId methodNodeId,
                                UA_MethodCallback *outMethodCallback) {
    UA_LOCK(&server->serviceMutex);
    const UA_Node *node = UA_NODESTORE_GET(server, &methodNodeId);
    if(!node) {
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    }

    if(node->head.nodeClass != UA_NODECLASS_METHOD) {
        UA_NODESTORE_RELEASE(server, node);
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADNODECLASSINVALID;
    }

    *outMethodCallback = node->methodNode.method;
    UA_NODESTORE_RELEASE(server, node);
    UA_UNLOCK(&server->serviceMutex);
    return UA_STATUSCODE_GOOD;
}

#endif

/************************/
/* Lifecycle Management */
/************************/

void UA_EXPORT
UA_Server_setAdminSessionContext(UA_Server *server,
                                 void *context) {
    server->adminSession.sessionHandle = context;
}

static UA_StatusCode
setNodeTypeLifecycle(UA_Server *server, UA_Session *session,
                     UA_Node *node, UA_NodeTypeLifecycle *lifecycle) {
    if(node->head.nodeClass == UA_NODECLASS_OBJECTTYPE) {
        node->objectTypeNode.lifecycle = *lifecycle;
    } else if(node->head.nodeClass == UA_NODECLASS_VARIABLETYPE) {
        node->variableTypeNode.lifecycle = *lifecycle;
    } else {
        return UA_STATUSCODE_BADNODECLASSINVALID;
    }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_setNodeTypeLifecycle(UA_Server *server, UA_NodeId nodeId,
                               UA_NodeTypeLifecycle lifecycle) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode retval = UA_Server_editNode(server, &server->adminSession, &nodeId,
                                             (UA_EditNodeCallback)setNodeTypeLifecycle,
                                              &lifecycle);
    UA_UNLOCK(&server->serviceMutex);
    return retval;
}

/**** amalgamated original file "/src/server/ua_services_discovery_multicast.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Thomas Stalder, Blue Time Concept SA
 */


#if defined(UA_ENABLE_DISCOVERY) && defined(UA_ENABLE_DISCOVERY_MULTICAST)

#if UA_MULTITHREADING >= 100

static void *
multicastWorkerLoop(UA_Server *server) {
    struct timeval next_sleep = {.tv_sec = 0, .tv_usec = 0};
    volatile UA_Boolean *running = &server->discoveryManager.mdnsRunning;
    fd_set fds;

    while(*running) {
        FD_ZERO(&fds);
        UA_fd_set(server->discoveryManager.mdnsSocket, &fds);
        select(server->discoveryManager.mdnsSocket + 1, &fds, 0, 0, &next_sleep);

        if(!*running)
            break;

        unsigned short retVal =
            mdnsd_step(server->discoveryManager.mdnsDaemon, server->discoveryManager.mdnsSocket,
                       FD_ISSET(server->discoveryManager.mdnsSocket, &fds), true, &next_sleep);
        if(retVal == 1) {
            UA_LOG_SOCKET_ERRNO_WRAP(
                UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                          "Multicast error: Can not read from socket. %s", errno_str));
            break;
        } else if (retVal == 2) {
            UA_LOG_SOCKET_ERRNO_WRAP(
                UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                         "Multicast error: Can not write to socket. %s", errno_str));
            break;
        }
    }
    return NULL;
}

static UA_StatusCode
multicastListenStart(UA_Server* server) {
    int err = pthread_create(&server->discoveryManager.mdnsThread, NULL,
                             (void* (*)(void*))multicastWorkerLoop, server);
    if(err != 0) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Multicast error: Can not create multicast thread.");
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
multicastListenStop(UA_Server* server) {
    mdnsd_shutdown(server->discoveryManager.mdnsDaemon);
    // wake up select
    if (write(server->discoveryManager.mdnsSocket, "\0", 1)) {
        // TODO: if makes no sense here?
    }  // TODO: move to arch?
    if (pthread_join(server->discoveryManager.mdnsThread, NULL)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER, "Multicast error: Can not stop thread.");
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    return UA_STATUSCODE_BADNOTIMPLEMENTED;
}

# endif /* UA_MULTITHREADING */

static UA_StatusCode
addMdnsRecordForNetworkLayer(UA_Server *server, const UA_String *appName,
                             const UA_ServerNetworkLayer* nl) {
    UA_String hostname = UA_STRING_NULL;
    UA_UInt16 port = 4840;
    UA_String path = UA_STRING_NULL;
    UA_StatusCode retval = UA_parseEndpointUrl(&nl->discoveryUrl, &hostname,
                                               &port, &path);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_NETWORK,
                       "Server url is invalid: %.*s",
                       (int)nl->discoveryUrl.length, nl->discoveryUrl.data);
        return retval;
    }

    retval = UA_Discovery_addRecord(server, appName, &hostname, port,
                                    &path, UA_DISCOVERY_TCP, true,
                                    server->config.mdnsConfig.serverCapabilities,
                                    server->config.mdnsConfig.serverCapabilitiesSize,
                                    true);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_NETWORK,
                       "Cannot add mDNS Record: %s",
                       UA_StatusCode_name(retval));
        return retval;
    }
    return UA_STATUSCODE_GOOD;
}

void startMulticastDiscoveryServer(UA_Server *server) {
    initMulticastDiscoveryServer(&server->discoveryManager, server);

    UA_String *appName = &server->config.mdnsConfig.mdnsServerName;
    for(size_t i = 0; i < server->config.networkLayersSize; i++)
        addMdnsRecordForNetworkLayer(server, appName, &server->config.networkLayers[i]);

    /* find any other server on the net */
    UA_Discovery_multicastQuery(server);

#if UA_MULTITHREADING >= 100
    multicastListenStart(server);
# endif
}

void
stopMulticastDiscoveryServer(UA_Server *server) {
    if (!server->discoveryManager.mdnsDaemon)
        return;

    for (size_t i=0; i<server->config.networkLayersSize; i++) {

        UA_String hostname = UA_STRING_NULL;
        UA_String path = UA_STRING_NULL;
        UA_UInt16 port = 0;

        UA_StatusCode retval = UA_parseEndpointUrl(&server->config.networkLayers[i].discoveryUrl, &hostname,
                                                   &port, &path);

        if (retval != UA_STATUSCODE_GOOD)
            continue;

        UA_Discovery_removeRecord(server, &server->config.mdnsConfig.mdnsServerName,
                                  &hostname, port, true);

    }

#if UA_MULTITHREADING >= 100
    multicastListenStop(server);
# else
    // send out last package with TTL = 0
    iterateMulticastDiscoveryServer(server, NULL, false);
# endif
}

/* All filter criteria must be fulfilled in the list entry. The comparison is case 
 * insensitive.
 * @returns true if the entry matches the filter. False if the filter does not match.
 * */
static UA_Boolean
entryMatchesCapabilityFilter(size_t serverCapabilityFilterSize, UA_String *serverCapabilityFilter,
                   serverOnNetwork_list_entry* current) {
    // if the entry has less capabilities defined than the filter, there's no match
    if (serverCapabilityFilterSize > current->serverOnNetwork.serverCapabilitiesSize)
        return UA_FALSE;
    for(size_t i = 0; i < serverCapabilityFilterSize; i++) {
        UA_Boolean capabilityFound = UA_FALSE;
        for(size_t j = 0; j < current->serverOnNetwork.serverCapabilitiesSize; j++) {
            if(UA_String_equal_ignorecase(&serverCapabilityFilter[i],
                               &current->serverOnNetwork.serverCapabilities[j])) {
                capabilityFound = UA_TRUE;
                break;
            }
        }
        if (!capabilityFound)
            return UA_FALSE; // entry does not match capability
    }
    return UA_TRUE;
}

void Service_FindServersOnNetwork(UA_Server *server, UA_Session *session,
                                  const UA_FindServersOnNetworkRequest *request,
                                  UA_FindServersOnNetworkResponse *response) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if (!server->config.mdnsEnabled) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTIMPLEMENTED;
        return;
    }

    /* Set LastCounterResetTime */
    UA_DateTime_copy(&server->discoveryManager.serverOnNetworkRecordIdLastReset,
                     &response->lastCounterResetTime);

    /* Compute the max number of records to return */
    UA_UInt32 recordCount = 0;
    if(request->startingRecordId < server->discoveryManager.serverOnNetworkRecordIdCounter)
        recordCount = server->discoveryManager.serverOnNetworkRecordIdCounter -
            request->startingRecordId;
    if(request->maxRecordsToReturn && recordCount > request->maxRecordsToReturn)
        recordCount = UA_MIN(recordCount, request->maxRecordsToReturn);
    if(recordCount == 0) {
        response->serversSize = 0;
        return;
    }

    /* Iterate over all records and add to filtered list */
    UA_UInt32 filteredCount = 0;
    UA_STACKARRAY(UA_ServerOnNetwork*, filtered, recordCount);
    serverOnNetwork_list_entry* current;
    LIST_FOREACH(current, &server->discoveryManager.serverOnNetwork, pointers) {
        if(filteredCount >= recordCount)
            break;
        if(current->serverOnNetwork.recordId < request->startingRecordId)
            continue;
        if(!entryMatchesCapabilityFilter(request->serverCapabilityFilterSize,
                               request->serverCapabilityFilter, current))
            continue;
        filtered[filteredCount++] = &current->serverOnNetwork;
    }

    if(filteredCount == 0)
        return;

    /* Allocate the array for the response */
    response->servers =
        (UA_ServerOnNetwork*)UA_malloc(sizeof(UA_ServerOnNetwork)*filteredCount);
    if(!response->servers) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return;
    }
    response->serversSize = filteredCount;

    /* Copy the server names */
    for(size_t i = 0; i < filteredCount; i++)
        UA_ServerOnNetwork_copy(filtered[i], &response->servers[filteredCount-i-1]);
}

void
UA_Server_updateMdnsForDiscoveryUrl(UA_Server *server, const UA_String *serverName,
                                    const UA_MdnsDiscoveryConfiguration *mdnsConfig,
                                    const UA_String *discoveryUrl,
                                    UA_Boolean isOnline, UA_Boolean updateTxt) {
    UA_String hostname = UA_STRING_NULL;
    UA_UInt16 port = 4840;
    UA_String path = UA_STRING_NULL;
    UA_StatusCode retval = UA_parseEndpointUrl(discoveryUrl, &hostname, &port, &path);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_NETWORK,
                       "Server url invalid: %.*s",
                       (int)discoveryUrl->length, discoveryUrl->data);
        return;
    }

    if(!isOnline) {
        UA_StatusCode removeRetval =
                UA_Discovery_removeRecord(server, serverName, &hostname,
                                          port, updateTxt);
        if(removeRetval != UA_STATUSCODE_GOOD)
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Could not remove mDNS record for hostname %.*s.",
                           (int)serverName->length, serverName->data);
        return;
    }

    UA_String *capabilities = NULL;
    size_t capabilitiesSize = 0;
    if(mdnsConfig) {
        capabilities = mdnsConfig->serverCapabilities;
        capabilitiesSize = mdnsConfig->serverCapabilitiesSize;
    }

    UA_StatusCode addRetval =
        UA_Discovery_addRecord(server, serverName, &hostname,
                               port, &path, UA_DISCOVERY_TCP, updateTxt,
                               capabilities, capabilitiesSize,
                               false);
    if(addRetval != UA_STATUSCODE_GOOD)
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Could not add mDNS record for hostname %.*s.",
                       (int)serverName->length, serverName->data);
}

void
UA_Server_setServerOnNetworkCallback(UA_Server *server,
                                     UA_Server_serverOnNetworkCallback cb,
                                     void* data) {
    UA_LOCK(&server->serviceMutex);
    server->discoveryManager.serverOnNetworkCallback = cb;
    server->discoveryManager.serverOnNetworkCallbackData = data;
    UA_UNLOCK(&server->serviceMutex);
}

static void
UA_Discovery_multicastConflict(char *name, int type, void *arg) {
    // cppcheck-suppress unreadVariable
    UA_Server *server = (UA_Server*) arg;
    UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "Multicast DNS name conflict detected: "
                 "'%s' for type %d", name, type);
}

/* Create a service domain with the format [servername]-[hostname]._opcua-tcp._tcp.local. */
static void
createFullServiceDomain(char *outServiceDomain, size_t maxLen,
                        const UA_String *servername, const UA_String *hostname) {
    size_t hostnameLen = hostname->length;
    size_t servernameLen = servername->length;

    maxLen -= 24; /* the length we have remaining before the opc ua postfix and
                   * the trailing zero */

    /* Can we use hostname and servername with full length? */
    if(hostnameLen + servernameLen + 1 > maxLen) {
        if(servernameLen + 2 > maxLen) {
            servernameLen = maxLen;
            hostnameLen = 0;
        } else {
            hostnameLen = maxLen - servernameLen - 1;
        }
    }

    size_t offset = 0;
    if (hostnameLen > 0) {
        UA_snprintf(outServiceDomain, maxLen + 1, "%.*s-%.*s",
                    (int) servernameLen, (char *) servername->data,
                    (int) hostnameLen, (char *) hostname->data);
        offset = servernameLen + hostnameLen + 1;
        //replace all dots with minus. Otherwise mDNS is not valid
        for (size_t i=servernameLen+1; i<offset; i++) {
            if (outServiceDomain[i] == '.')
                outServiceDomain[i] = '-';
        }
    }
    else {
        UA_snprintf(outServiceDomain, maxLen + 1, "%.*s",
                    (int) servernameLen, (char *) servername->data);
        offset = servernameLen;
    }
    UA_snprintf(&outServiceDomain[offset], 24, "._opcua-tcp._tcp.local.");
}

/* Check if mDNS already has an entry for given hostname and port combination */
static UA_Boolean
UA_Discovery_recordExists(UA_Server* server, const char* fullServiceDomain,
                          unsigned short port, const UA_DiscoveryProtocol protocol) {
    // [servername]-[hostname]._opcua-tcp._tcp.local. 86400 IN SRV 0 5 port [hostname].
    mdns_record_t *r  = mdnsd_get_published(server->discoveryManager.mdnsDaemon, fullServiceDomain);
    while(r) {
        const mdns_answer_t *data = mdnsd_record_data(r);
        if(data->type == QTYPE_SRV && (port == 0 || data->srv.port == port))
            return true;
        r = mdnsd_record_next(r);
    }
    return false;
}

static int
discovery_multicastQueryAnswer(mdns_answer_t *a, void *arg) {
    UA_Server *server = (UA_Server*) arg;
    if(a->type != QTYPE_PTR)
        return 0;

    if(a->rdname == NULL)
        return 0;

    /* Skip, if we already know about this server */
    UA_Boolean exists =
        UA_Discovery_recordExists(server, a->rdname, 0, UA_DISCOVERY_TCP);
    if(exists == true)
        return 0;

    if(mdnsd_has_query(server->discoveryManager.mdnsDaemon, a->rdname))
        return 0;

    UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                 "mDNS send query for: %s SRV&TXT %s", a->name, a->rdname);

    mdnsd_query(server->discoveryManager.mdnsDaemon, a->rdname, QTYPE_SRV,
                discovery_multicastQueryAnswer, server);
    mdnsd_query(server->discoveryManager.mdnsDaemon, a->rdname, QTYPE_TXT,
                discovery_multicastQueryAnswer, server);
    return 0;
}

UA_StatusCode
UA_Discovery_multicastQuery(UA_Server* server) {
    mdnsd_query(server->discoveryManager.mdnsDaemon, "_opcua-tcp._tcp.local.",
                QTYPE_PTR,discovery_multicastQueryAnswer, server);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Discovery_addRecord(UA_Server *server, const UA_String *servername,
                       const UA_String *hostname, UA_UInt16 port,
                       const UA_String *path, const UA_DiscoveryProtocol protocol,
                       UA_Boolean createTxt, const UA_String* capabilites,
                       const size_t capabilitiesSize,
                       UA_Boolean isSelf) {
    // we assume that the hostname is not an IP address, but a valid domain name
    // It is required by the OPC UA spec (see Part 12, DiscoveryURL to DNS SRV mapping)
    // to always use the hostname instead of the IP address

    if(capabilitiesSize > 0 && !capabilites)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    size_t hostnameLen = hostname->length;
    size_t servernameLen = servername->length;
    if(hostnameLen == 0 || servernameLen == 0)
        return UA_STATUSCODE_BADOUTOFRANGE;

    // use a limit for the hostname length to make sure full string fits into 63
    // chars (limited by DNS spec)
    if(hostnameLen+servernameLen + 1 > 63) { // include dash between servername-hostname
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Multicast DNS: Combination of hostname+servername exceeds "
                       "maximum of 62 chars. It will be truncated.");
    } else if(hostnameLen > 63) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Multicast DNS: Hostname length exceeds maximum of 63 chars. "
                       "It will be truncated.");
    }

    if(!server->discoveryManager.mdnsMainSrvAdded) {
        mdns_record_t *r =
            mdnsd_shared(server->discoveryManager.mdnsDaemon, "_services._dns-sd._udp.local.",
                         QTYPE_PTR, 600);
        mdnsd_set_host(server->discoveryManager.mdnsDaemon, r, "_opcua-tcp._tcp.local.");
        server->discoveryManager.mdnsMainSrvAdded = true;
    }

    // [servername]-[hostname]._opcua-tcp._tcp.local.
    char fullServiceDomain[63+24];
    createFullServiceDomain(fullServiceDomain, 63+24, servername, hostname);

    UA_Boolean exists = UA_Discovery_recordExists(server, fullServiceDomain, port, protocol);
    if(exists == true)
        return UA_STATUSCODE_GOOD;

    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Multicast DNS: add record for domain: %s", fullServiceDomain);


    if (isSelf && server->discoveryManager.selfFqdnMdnsRecord.length == 0) {
        server->discoveryManager.selfFqdnMdnsRecord = UA_STRING_ALLOC(fullServiceDomain);
        if (!server->discoveryManager.selfFqdnMdnsRecord.data)
            return UA_STATUSCODE_BADOUTOFMEMORY;
    }


    struct serverOnNetwork_list_entry *listEntry;
    // The servername is servername + hostname. It is the same which we get through mDNS and therefore we need to match servername
    UA_StatusCode retval = UA_DiscoveryManager_addEntryToServersOnNetwork(server, fullServiceDomain, fullServiceDomain,
            UA_MIN(63, (servernameLen+hostnameLen)+1), &listEntry);
    if (retval != UA_STATUSCODE_GOOD && retval != UA_STATUSCODE_BADALREADYEXISTS)
        return retval;

    // If entry is already in list, skip initialization of capabilities and txt+srv
    if (retval != UA_STATUSCODE_BADALREADYEXISTS) {
        // if capabilitiesSize is 0, then add default cap 'NA'
        listEntry->serverOnNetwork.serverCapabilitiesSize = UA_MAX(1, capabilitiesSize);
        listEntry->serverOnNetwork.serverCapabilities =
                (UA_String *) UA_Array_new(listEntry->serverOnNetwork.serverCapabilitiesSize, &UA_TYPES[UA_TYPES_STRING]);
        if (!listEntry->serverOnNetwork.serverCapabilities)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        if (capabilitiesSize == 0) {
            UA_String na;
            na.length = 2;
            na.data = (UA_Byte *) (uintptr_t) "NA";
            UA_String_copy(&na, &listEntry->serverOnNetwork.serverCapabilities[0]);
        } else {
            for (size_t i = 0; i < capabilitiesSize; i++) {
                UA_String_copy(&capabilites[i], &listEntry->serverOnNetwork.serverCapabilities[i]);
            }
        }

        listEntry->txtSet = true;

        UA_STACKARRAY(char, newUrl, 10 + hostnameLen + 8 + path->length + 1);
        UA_snprintf(newUrl, 10 + hostnameLen + 8 + path->length + 1, "opc.tcp://%.*s:%d%s%.*s", (int) hostnameLen,
                    hostname->data, port, path->length > 0 ? "/" : "", (int) path->length, path->data);
        listEntry->serverOnNetwork.discoveryUrl = UA_String_fromChars(newUrl);
        listEntry->srvSet = true;
    }

    // _services._dns-sd._udp.local. PTR _opcua-tcp._tcp.local

    // check if there is already a PTR entry for the given service.

    // _opcua-tcp._tcp.local. PTR [servername]-[hostname]._opcua-tcp._tcp.local.
    mdns_record_t *r = mdns_find_record(server->discoveryManager.mdnsDaemon, QTYPE_PTR,
                                        "_opcua-tcp._tcp.local.", fullServiceDomain);
    if(!r) {
        r = mdnsd_shared(server->discoveryManager.mdnsDaemon, "_opcua-tcp._tcp.local.", QTYPE_PTR, 600);
        mdnsd_set_host(server->discoveryManager.mdnsDaemon, r, fullServiceDomain);
    }

    /* The first 63 characters of the hostname (or less) */
    size_t maxHostnameLen = UA_MIN(hostnameLen, 63);
    char localDomain[65];
    memcpy(localDomain, hostname->data, maxHostnameLen);
    localDomain[maxHostnameLen] = '.';
    localDomain[maxHostnameLen+1] = '\0';

    // [servername]-[hostname]._opcua-tcp._tcp.local. 86400 IN SRV 0 5 port [hostname].
    r = mdnsd_unique(server->discoveryManager.mdnsDaemon, fullServiceDomain, QTYPE_SRV, 600,
                     UA_Discovery_multicastConflict, server);
    mdnsd_set_srv(server->discoveryManager.mdnsDaemon, r, 0, 0, port, localDomain);

    // A/AAAA record for all ip addresses.
    // [servername]-[hostname]._opcua-tcp._tcp.local. A [ip].
    // [hostname]. A [ip].
    mdns_set_address_record(server, fullServiceDomain, localDomain);

    // TXT record: [servername]-[hostname]._opcua-tcp._tcp.local. TXT path=/ caps=NA,DA,...
    UA_STACKARRAY(char, pathChars, path->length + 1);
    if(createTxt) {
        if(path->length > 0)
            memcpy(pathChars, path->data, path->length);
        pathChars[path->length] = 0;
        mdns_create_txt(server, fullServiceDomain, pathChars, capabilites,
                        capabilitiesSize, UA_Discovery_multicastConflict);
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Discovery_removeRecord(UA_Server *server, const UA_String *servername,
                          const UA_String *hostname, UA_UInt16 port,
                          UA_Boolean removeTxt) {
    // use a limit for the hostname length to make sure full string fits into 63
    // chars (limited by DNS spec)
    size_t hostnameLen = hostname->length;
    size_t servernameLen = servername->length;
    if(hostnameLen == 0 || servernameLen == 0)
        return UA_STATUSCODE_BADOUTOFRANGE;

    if(hostnameLen+servernameLen+1 > 63) { // include dash between servername-hostname
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Multicast DNS: Combination of hostname+servername exceeds "
                       "maximum of 62 chars. It will be truncated.");
    }

    // [servername]-[hostname]._opcua-tcp._tcp.local.
    char fullServiceDomain[63 + 24];
    createFullServiceDomain(fullServiceDomain, 63+24, servername, hostname);

    UA_LOG_INFO(&server->config.logger, UA_LOGCATEGORY_SERVER,
                "Multicast DNS: remove record for domain: %s", fullServiceDomain);

    UA_StatusCode retval = UA_DiscoveryManager_removeEntryFromServersOnNetwork(
            server, fullServiceDomain, fullServiceDomain, UA_MIN(63, (servernameLen+hostnameLen)+1));
    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    // _opcua-tcp._tcp.local. PTR [servername]-[hostname]._opcua-tcp._tcp.local.
    mdns_record_t *r = mdns_find_record(server->discoveryManager.mdnsDaemon, QTYPE_PTR,
                                        "_opcua-tcp._tcp.local.", fullServiceDomain);
    if(!r) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Multicast DNS: could not remove record. "
                       "PTR Record not found for domain: %s", fullServiceDomain);
        return UA_STATUSCODE_BADNOTHINGTODO;
    }
    mdnsd_done(server->discoveryManager.mdnsDaemon, r);

    // looks for [servername]-[hostname]._opcua-tcp._tcp.local. 86400 IN SRV 0 5 port hostname.local.
    // and TXT record: [servername]-[hostname]._opcua-tcp._tcp.local. TXT path=/ caps=NA,DA,...
    // and A record: [servername]-[hostname]._opcua-tcp._tcp.local. A [ip]
    mdns_record_t *r2 = mdnsd_get_published(server->discoveryManager.mdnsDaemon, fullServiceDomain);
    if(!r2) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Multicast DNS: could not remove record. Record not "
                       "found for domain: %s", fullServiceDomain);
        return UA_STATUSCODE_BADNOTHINGTODO;
    }

    while(r2) {
        const mdns_answer_t *data = mdnsd_record_data(r2);
        mdns_record_t *next = mdnsd_record_next(r2);
        if((removeTxt && data->type == QTYPE_TXT) ||
           (removeTxt && data->type == QTYPE_A) ||
           data->srv.port == port) {
            mdnsd_done(server->discoveryManager.mdnsDaemon, r2);
        }
        r2 = next;
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
iterateMulticastDiscoveryServer(UA_Server* server, UA_DateTime *nextRepeat,
                                UA_Boolean processIn) {
    struct timeval next_sleep = { 0, 0 };
    unsigned short retval = mdnsd_step(server->discoveryManager.mdnsDaemon,
                                       (int)server->discoveryManager.mdnsSocket,
                                       processIn, true, &next_sleep);
    if(retval == 1) {
        UA_LOG_SOCKET_ERRNO_WRAP(
               UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Multicast error: Can not read from socket. %s", errno_str));
        return UA_STATUSCODE_BADNOCOMMUNICATION;
    } else if(retval == 2) {
        UA_LOG_SOCKET_ERRNO_WRAP(
                UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
                     "Multicast error: Can not write to socket. %s", errno_str));
        return UA_STATUSCODE_BADNOCOMMUNICATION;
    }

    if(nextRepeat)
        *nextRepeat = UA_DateTime_now() +
            (UA_DateTime)((next_sleep.tv_sec * UA_DATETIME_SEC) +
                          (next_sleep.tv_usec * UA_DATETIME_USEC));
    return UA_STATUSCODE_GOOD;
}

#endif /* defined(UA_ENABLE_DISCOVERY) && defined(UA_ENABLE_DISCOVERY_MULTICAST) */

/**** amalgamated original file "/src/client/ua_client.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2015-2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2015-2016 (c) Chris Iatrou
 *    Copyright 2015 (c) hfaham
 *    Copyright 2015-2017 (c) Florian Palm
 *    Copyright 2017-2018 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2015 (c) Holger Jeromin
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016 (c) TorbenD
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2016 (c) Lykurg
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2018 (c) Kalycito Infotech Private Limited
 *    Copyright 2020 (c) Christian von Arnim, ISW University of Stuttgart
 */



/********************/
/* Client Lifecycle */
/********************/

static void
UA_Client_init(UA_Client* client) {
    UA_SecureChannel_init(&client->channel, &client->config.localConnectionConfig);
    client->connectStatus = UA_STATUSCODE_GOOD;
    UA_Timer_init(&client->timer);
    notifyClientState(client);
}

UA_Client UA_EXPORT *
UA_Client_newWithConfig(const UA_ClientConfig *config) {
    if(!config)
        return NULL;
    UA_Client *client = (UA_Client*)UA_malloc(sizeof(UA_Client));
    if(!client)
        return NULL;
    memset(client, 0, sizeof(UA_Client));
    client->config = *config;
    UA_Client_init(client);
    return client;
}

static void
UA_ClientConfig_clear(UA_ClientConfig *config) {
    UA_ApplicationDescription_clear(&config->clientDescription);

    UA_ExtensionObject_clear(&config->userIdentityToken);
    UA_String_clear(&config->securityPolicyUri);

    UA_EndpointDescription_clear(&config->endpoint);
    UA_UserTokenPolicy_clear(&config->userTokenPolicy);

    UA_String_clear(&config->applicationUri);

    if(config->certificateVerification.clear)
        config->certificateVerification.clear(&config->certificateVerification);

    /* Delete the SecurityPolicies */
    if(config->securityPolicies == 0)
        return;
    for(size_t i = 0; i < config->securityPoliciesSize; i++)
        config->securityPolicies[i].clear(&config->securityPolicies[i]);
    UA_free(config->securityPolicies);
    config->securityPolicies = 0;

    /* Logger */
    if(config->logger.clear)
        config->logger.clear(config->logger.context);
    config->logger.log = NULL;
    config->logger.clear = NULL;

    if (config->sessionLocaleIdsSize > 0 && config->sessionLocaleIds) {
        UA_Array_delete(config->sessionLocaleIds, config->sessionLocaleIdsSize, &UA_TYPES[UA_TYPES_LOCALEID]);
    }
    config->sessionLocaleIds = NULL;
    config->sessionLocaleIdsSize = 0;
}

static void
UA_Client_clear(UA_Client *client) {
    /* Prevent new async service calls in UA_Client_AsyncService_removeAll */
    UA_SessionState oldState = client->sessionState;
    client->sessionState = UA_SESSIONSTATE_CLOSING;

    /* Delete the async service calls with BADHSUTDOWN */
    UA_Client_AsyncService_removeAll(client, UA_STATUSCODE_BADSHUTDOWN);

    /* Reset to the old state to properly close the session */
    client->sessionState = oldState;

    UA_Client_disconnect(client);
    UA_String_clear(&client->endpointUrl);
    UA_String_clear(&client->discoveryUrl);

    UA_String_clear(&client->remoteNonce);
    UA_String_clear(&client->localNonce);

    /* Delete the subscriptions */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_Client_Subscriptions_clean(client);
#endif

    /* Delete the timed work */
    UA_Timer_clear(&client->timer);
}

void
UA_Client_delete(UA_Client* client) {
    UA_Client_clear(client);
    UA_ClientConfig_clear(&client->config);
    UA_free(client);
}

void
UA_Client_getState(UA_Client *client, UA_SecureChannelState *channelState,
                   UA_SessionState *sessionState, UA_StatusCode *connectStatus) {
    if(channelState)
        *channelState = client->channel.state;
    if(sessionState)
        *sessionState = client->sessionState;
    if(connectStatus)
        *connectStatus = client->connectStatus;
}

UA_ClientConfig *
UA_Client_getConfig(UA_Client *client) {
    if(!client)
        return NULL;
    return &client->config;
}

#if UA_LOGLEVEL <= 300
static const char *channelStateTexts[9] = {
    "Fresh", "HELSent", "HELReceived", "ACKSent",
    "AckReceived", "OPNSent", "Open", "Closing", "Closed"};
static const char *sessionStateTexts[6] =
    {"Closed", "CreateRequested", "Created",
     "ActivateRequested", "Activated", "Closing"};
#endif

void
notifyClientState(UA_Client *client) {
    if(client->connectStatus == client->oldConnectStatus &&
       client->channel.state == client->oldChannelState &&
       client->sessionState == client->oldSessionState)
        return;

#if UA_LOGLEVEL <= 300
    UA_Boolean info = (client->connectStatus != UA_STATUSCODE_GOOD);
    if(client->oldChannelState != client->channel.state)
        info |= (client->channel.state == UA_SECURECHANNELSTATE_OPEN ||
                 client->channel.state == UA_SECURECHANNELSTATE_CLOSED);
    if(client->oldSessionState != client->sessionState)
        info |= (client->sessionState == UA_SESSIONSTATE_CREATED ||
                 client->sessionState == UA_SESSIONSTATE_ACTIVATED ||
                 client->sessionState == UA_SESSIONSTATE_CLOSED);

    const char *channelStateText = channelStateTexts[client->channel.state];
    const char *sessionStateText = sessionStateTexts[client->sessionState];
    const char *connectStatusText = UA_StatusCode_name(client->connectStatus);

    if(info)
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "Client Status: ChannelState: %s, SessionState: %s, ConnectStatus: %s",
                    channelStateText, sessionStateText, connectStatusText);
    else
        UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "Client Status: ChannelState: %s, SessionState: %s, ConnectStatus: %s",
                     channelStateText, sessionStateText, connectStatusText);
#endif

    client->oldConnectStatus = client->connectStatus;
    client->oldChannelState = client->channel.state;
    client->oldSessionState = client->sessionState;

    if(client->config.stateCallback)
        client->config.stateCallback(client, client->channel.state,
                                     client->sessionState, client->connectStatus);
}

/****************/
/* Raw Services */
/****************/

/* For synchronous service calls. Execute async responses with a callback. When
 * the response with the correct requestId turns up, return it via the
 * SyncResponseDescription pointer. */
typedef struct {
    UA_Client *client;
    UA_Boolean received;
    UA_UInt32 requestId;
    void *response;
    const UA_DataType *responseType;
} SyncResponseDescription;

/* For both synchronous and asynchronous service calls */
static UA_StatusCode
sendSymmetricServiceRequest(UA_Client *client, const void *request,
                            const UA_DataType *requestType, UA_UInt32 *requestId) {
    /* Renew SecureChannel if necessary */
    UA_Client_renewSecureChannel(client);
    if(client->connectStatus != UA_STATUSCODE_GOOD)
        return client->connectStatus;

    /* Adjusting the request header. The const attribute is violated, but we
     * only touch the following members: */
    UA_RequestHeader *rr = (UA_RequestHeader*)(uintptr_t)request;
    UA_NodeId oldToken = rr->authenticationToken; /* Put back in place later */
    rr->authenticationToken = client->authenticationToken;
    rr->timestamp = UA_DateTime_now();
    rr->requestHandle = ++client->requestHandle;
    UA_UInt32 rqId = ++client->requestId;

#ifdef UA_ENABLE_TYPEDESCRIPTION
    UA_LOG_DEBUG_CHANNEL(&client->config.logger, &client->channel,
                         "Sending request with RequestId %u of type %s",
                         (unsigned)rqId, requestType->typeName);
#else
    UA_LOG_DEBUG_CHANNEL(&client->config.logger, &client->channel,
                         "Sending request with RequestId %u of type %" PRIu32,
                         (unsigned)rqId, requestType->binaryEncodingId.identifier.numeric);
#endif

    /* Send the message */
    UA_StatusCode retval =
        UA_SecureChannel_sendSymmetricMessage(&client->channel, rqId,
                                              UA_MESSAGETYPE_MSG, rr, requestType);
    rr->authenticationToken = oldToken; /* Set the original token */

    *requestId = rqId;
    return retval;
}

static const UA_NodeId
serviceFaultId = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_SERVICEFAULT_ENCODING_DEFAULTBINARY}};

/* Look for the async callback in the linked list, execute and delete it */
static UA_StatusCode
processAsyncResponse(UA_Client *client, UA_UInt32 requestId, const UA_NodeId *responseTypeId,
                     const UA_ByteString *responseMessage, size_t *offset) {
    /* Find the callback */
    AsyncServiceCall *ac;
    LIST_FOREACH(ac, &client->asyncServiceCalls, pointers) {
        if(ac->requestId == requestId)
            break;
    }

    /* Part 6, 6.7.6: After the security validation is complete the receiver
     * shall verify the RequestId and the SequenceNumber. If these checks fail a
     * Bad_SecurityChecksFailed error is reported. The RequestId only needs to
     * be verified by the Client since only the Client knows if it is valid or
     * not.*/
    if(!ac)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    /* Dequeue ac. We might disconnect (remove all ac) in the callback. */
    LIST_REMOVE(ac, pointers);

    /* Verify the type of the response */
    UA_Response response;
    const UA_DataType *responseType = ac->responseType;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(!UA_NodeId_equal(responseTypeId, &ac->responseType->binaryEncodingId)) {
        UA_init(&response, ac->responseType);
        if(UA_NodeId_equal(responseTypeId, &serviceFaultId)) {
            /* Decode as a ServiceFault, i.e. only the response header */
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Received a ServiceFault response");
            responseType = &UA_TYPES[UA_TYPES_SERVICEFAULT];
        } else {
            /* Close the connection */
            UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                         "Reply contains the wrong service response");
            retval = UA_STATUSCODE_BADCOMMUNICATIONERROR;
            goto process;
        }
    }

    /* Decode the response */
    retval = UA_decodeBinaryInternal(responseMessage, offset, &response, responseType,
                                     client->config.customDataTypes);

 process:
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "Could not decode the response with id %u due to %s",
                    (unsigned)requestId, UA_StatusCode_name(retval));
        response.responseHeader.serviceResult = retval;
    } else if(response.responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        /* Decode as a ServiceFault, i.e. only the response header */
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "The ServiceResult has the StatusCode %s",
                    UA_StatusCode_name(response.responseHeader.serviceResult));
    }

    /* Call the callback */
    if(ac->callback)
        ac->callback(client, ac->userdata, requestId, &response);
    UA_clear(&response, ac->responseType);

    /* Remove the callback */
    UA_free(ac);
    return retval;
}

/* Processes the received service response. Either with an async callback or by
 * decoding the message and returning it "upwards" in the
 * SyncResponseDescription. */
static UA_StatusCode
processServiceResponse(void *application, UA_SecureChannel *channel,
                       UA_MessageType messageType, UA_UInt32 requestId,
                       UA_ByteString *message) {
    SyncResponseDescription *rd = (SyncResponseDescription*)application;

    /* Process ACK response */
    switch(messageType) {
    case UA_MESSAGETYPE_ACK:
        processACKResponse(rd->client, message);
        return UA_STATUSCODE_GOOD;
    case UA_MESSAGETYPE_OPN:
        processOPNResponse(rd->client, message);
        return UA_STATUSCODE_GOOD;
    case UA_MESSAGETYPE_ERR:
        processERRResponse(rd->client, message);
        return UA_STATUSCODE_GOOD;
    case UA_MESSAGETYPE_MSG:
        /* Continue below */
        break;
    default:
        UA_LOG_TRACE_CHANNEL(&rd->client->config.logger, channel, "Invalid message type");
        channel->state = UA_SECURECHANNELSTATE_CLOSING;
        return UA_STATUSCODE_BADTCPMESSAGETYPEINVALID;
    }

    /* Decode the data type identifier of the response */
    size_t offset = 0;
    UA_NodeId responseId;
    UA_StatusCode retval = UA_NodeId_decodeBinary(message, &offset, &responseId);
    if(retval != UA_STATUSCODE_GOOD)
        goto finish;

    /* Got an asynchronous response. Don't expected a synchronous response
     * (responseType NULL) or the id does not match. */
    if(!rd->responseType || requestId != rd->requestId) {
        retval = processAsyncResponse(rd->client, requestId, &responseId, message, &offset);
        goto finish;
    }

    /* Got the synchronous response */
    rd->received = true;

    /* Check that the response type matches */
    if(!UA_NodeId_equal(&responseId, &rd->responseType->binaryEncodingId)) {
        if(UA_NodeId_equal(&responseId, &serviceFaultId)) {
            UA_init(rd->response, rd->responseType);
            retval = UA_decodeBinaryInternal(message, &offset, rd->response,
                                             &UA_TYPES[UA_TYPES_SERVICEFAULT],
                                             rd->client->config.customDataTypes);
            if(retval != UA_STATUSCODE_GOOD)
                ((UA_ResponseHeader*)rd->response)->serviceResult = retval;
            UA_LOG_INFO(&rd->client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Received a ServiceFault response with StatusCode %s",
                        UA_StatusCode_name(((UA_ResponseHeader*)rd->response)->serviceResult));
        } else {
            /* Close the connection */
            UA_LOG_ERROR(&rd->client->config.logger, UA_LOGCATEGORY_CLIENT,
                         "Reply contains the wrong service response");
            retval = UA_STATUSCODE_BADCOMMUNICATIONERROR;
        }
        goto finish;
    }

#ifdef UA_ENABLE_TYPEDESCRIPTION
    UA_LOG_DEBUG(&rd->client->config.logger, UA_LOGCATEGORY_CLIENT,
                 "Decode a message of type %s", rd->responseType->typeName);
#else
    UA_LOG_DEBUG(&rd->client->config.logger, UA_LOGCATEGORY_CLIENT,
                 "Decode a message of type %" PRIu32, responseId.identifier.numeric);
#endif

    /* Decode the response */
    retval = UA_decodeBinaryInternal(message, &offset, rd->response, rd->responseType,
                                     rd->client->config.customDataTypes);

finish:
    UA_NodeId_clear(&responseId);
    if(retval != UA_STATUSCODE_GOOD) {
        if(retval == UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED)
            retval = UA_STATUSCODE_BADRESPONSETOOLARGE;
        UA_LOG_INFO(&rd->client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "Error receiving the response with status code %s",
                    UA_StatusCode_name(retval));

        if(rd->response) {
            UA_ResponseHeader *respHeader = (UA_ResponseHeader*)rd->response;
            respHeader->serviceResult = retval;
        }
    }

    return retval;
}

/* Receive and process messages until a synchronous message arrives or the
 * timout finishes */
static UA_StatusCode
receiveResponse(UA_Client *client, void *response, const UA_DataType *responseType,
                UA_DateTime maxDate, const UA_UInt32 *synchronousRequestId) {
    /* Prepare the response and the structure we give into processServiceResponse */
    SyncResponseDescription rd = { client, false, 0, response, responseType };

    /* Return upon receiving the synchronized response. All other responses are
     * processed with a callback "in the background". */
    if(synchronousRequestId)
        rd.requestId = *synchronousRequestId;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    UA_DateTime now = UA_DateTime_nowMonotonic();
    do {
        UA_UInt32 timeout2 = (UA_UInt32)((maxDate - now) / UA_DATETIME_MSEC);
        if(maxDate < now)
            timeout2 = 0;
        retval = UA_SecureChannel_receive(&client->channel, &rd, processServiceResponse, timeout2);
        if(retval == UA_STATUSCODE_GOODNONCRITICALTIMEOUT)
            break;
        if(retval != UA_STATUSCODE_GOOD ||
           client->channel.state == UA_SECURECHANNELSTATE_CLOSING) {
            UA_LOG_WARNING_CHANNEL(&client->config.logger, &client->channel,
                                   "Receiving the response failed with StatusCode %s",
                                   UA_StatusCode_name(retval));
            closeSecureChannel(client);
            retval = UA_STATUSCODE_BADCONNECTIONCLOSED;
            break;
        }
        now = UA_DateTime_nowMonotonic();
        if(maxDate < now)
            break;
    } while(!rd.received && responseType); /* Return if we don't wait for an async response */

    return retval;
}

UA_StatusCode
receiveResponseAsync(UA_Client *client, UA_UInt32 timeout) {
    UA_DateTime maxDate = UA_DateTime_nowMonotonic() + ((UA_DateTime)timeout * UA_DATETIME_MSEC);
    UA_StatusCode res = receiveResponse(client, NULL, NULL, maxDate, NULL);
    return (res != UA_STATUSCODE_GOODNONCRITICALTIMEOUT) ? res : UA_STATUSCODE_GOOD;
}

void
__UA_Client_Service(UA_Client *client, const void *request,
                    const UA_DataType *requestType, void *response,
                    const UA_DataType *responseType) {
    /* Initialize. Response is valied in case of aborting. */
    UA_init(response, responseType);

    if(client->channel.state != UA_SECURECHANNELSTATE_OPEN) {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "SecureChannel must be connected before sending requests");
        UA_ResponseHeader *respHeader = (UA_ResponseHeader*)response;
        respHeader->serviceResult = UA_STATUSCODE_BADCONNECTIONCLOSED;
		return;
    }

    /* Send the request */
    UA_UInt32 requestId;
    UA_StatusCode retval = sendSymmetricServiceRequest(client, request, requestType, &requestId);

    UA_ResponseHeader *respHeader = (UA_ResponseHeader*)response;
    if(retval == UA_STATUSCODE_GOOD) {
        /* Retrieve the response */
        UA_DateTime maxDate = UA_DateTime_nowMonotonic() + ((UA_DateTime)client->config.timeout * UA_DATETIME_MSEC);
        retval = receiveResponse(client, response, responseType, maxDate, &requestId);
    } else if(retval == UA_STATUSCODE_BADENCODINGLIMITSEXCEEDED) {
        respHeader->serviceResult = UA_STATUSCODE_BADREQUESTTOOLARGE;
        return;
    }

    /* In synchronous service, if we have don't have a reply we need to close
     * the connection. For all other error cases, receiveResponse has already
     * closed the channel. */
    if(retval == UA_STATUSCODE_GOODNONCRITICALTIMEOUT ||
       client->channel.state == UA_SECURECHANNELSTATE_CLOSING) {
        closeSecureChannel(client);
        retval = UA_STATUSCODE_BADCONNECTIONCLOSED;
    }

    if(retval != UA_STATUSCODE_GOOD)
        respHeader->serviceResult = retval;

    notifyClientState(client);
}

void
UA_Client_AsyncService_cancel(UA_Client *client, AsyncServiceCall *ac,
                              UA_StatusCode statusCode) {
    /* Create an empty response with the statuscode */
    UA_Response response;
    UA_init(&response, ac->responseType);
    response.responseHeader.serviceResult = statusCode;

    if(ac->callback)
        ac->callback(client, ac->userdata, ac->requestId, &response);

    /* Clean up the response. Users might move data into it. For whatever reasons. */
    UA_clear(&response, ac->responseType);
}

void UA_Client_AsyncService_removeAll(UA_Client *client, UA_StatusCode statusCode) {
    AsyncServiceCall *ac, *ac_tmp;
    LIST_FOREACH_SAFE(ac, &client->asyncServiceCalls, pointers, ac_tmp) {
        LIST_REMOVE(ac, pointers);
        UA_Client_AsyncService_cancel(client, ac, statusCode);
        UA_free(ac);
    }
}

UA_StatusCode UA_Client_modifyAsyncCallback(UA_Client *client, UA_UInt32 requestId,
        void *userdata, UA_ClientAsyncServiceCallback callback) {
    AsyncServiceCall *ac;
    LIST_FOREACH(ac, &client->asyncServiceCalls, pointers) {
        if(ac->requestId == requestId) {
            ac->callback = callback;
            ac->userdata = userdata;
            return UA_STATUSCODE_GOOD;
        }
    }

    return UA_STATUSCODE_BADNOTFOUND;
}

UA_StatusCode
__UA_Client_AsyncServiceEx(UA_Client *client, const void *request,
                           const UA_DataType *requestType,
                           UA_ClientAsyncServiceCallback callback,
                           const UA_DataType *responseType,
                           void *userdata, UA_UInt32 *requestId,
                           UA_UInt32 timeout) {
    if(client->channel.state != UA_SECURECHANNELSTATE_OPEN) {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "SecureChannel must be connected before sending requests");
        return UA_STATUSCODE_BADSERVERNOTCONNECTED;
    }

    /* Prepare the entry for the linked list */
    AsyncServiceCall *ac = (AsyncServiceCall*)UA_malloc(sizeof(AsyncServiceCall));
    if(!ac)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    ac->callback = callback;
    ac->responseType = responseType;
    ac->userdata = userdata;
    ac->timeout = timeout;

    /* Call the service and set the requestId */
    UA_StatusCode retval = sendSymmetricServiceRequest(client, request, requestType, &ac->requestId);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(ac);
        closeSecureChannel(client);
        notifyClientState(client);
        return retval;
    }

    ac->start = UA_DateTime_nowMonotonic();

    /* Store the entry for async processing */
    LIST_INSERT_HEAD(&client->asyncServiceCalls, ac, pointers);
    if(requestId)
        *requestId = ac->requestId;

    notifyClientState(client);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
__UA_Client_AsyncService(UA_Client *client, const void *request,
                         const UA_DataType *requestType,
                         UA_ClientAsyncServiceCallback callback,
                         const UA_DataType *responseType,
                         void *userdata, UA_UInt32 *requestId) {
    return __UA_Client_AsyncServiceEx(client, request, requestType, callback, responseType,
                                      userdata, requestId, client->config.timeout);
}

UA_StatusCode
UA_Client_sendAsyncRequest(UA_Client *client, const void *request,
                           const UA_DataType *requestType,
                           UA_ClientAsyncServiceCallback callback,
                           const UA_DataType *responseType, void *userdata,
                           UA_UInt32 *requestId) {
    return __UA_Client_AsyncService(client, request, requestType, callback,
                                    responseType, userdata, requestId);
}

UA_StatusCode UA_EXPORT
UA_Client_addTimedCallback(UA_Client *client, UA_ClientCallback callback,
                           void *data, UA_DateTime date, UA_UInt64 *callbackId) {
    return UA_Timer_addTimedCallback(&client->timer, (UA_ApplicationCallback)callback,
                                     client, data, date, callbackId);
}

UA_StatusCode
UA_Client_addRepeatedCallback(UA_Client *client, UA_ClientCallback callback,
                              void *data, UA_Double interval_ms, UA_UInt64 *callbackId) {
    return UA_Timer_addRepeatedCallback(&client->timer, (UA_ApplicationCallback)callback,
                                        client, data, interval_ms, NULL,
                                        UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME, callbackId);
}

UA_StatusCode
UA_Client_changeRepeatedCallbackInterval(UA_Client *client, UA_UInt64 callbackId,
                                         UA_Double interval_ms) {
    return UA_Timer_changeRepeatedCallback(&client->timer, callbackId, interval_ms, NULL, UA_TIMER_HANDLE_CYCLEMISS_WITH_CURRENTTIME);
}

void
UA_Client_removeCallback(UA_Client *client, UA_UInt64 callbackId) {
    UA_Timer_removeCallback(&client->timer, callbackId);
}

static void
asyncServiceTimeoutCheck(UA_Client *client) {
    AsyncServiceCall *ac, *ac_tmp;
    UA_DateTime now = UA_DateTime_nowMonotonic();
    LIST_FOREACH_SAFE(ac, &client->asyncServiceCalls, pointers, ac_tmp) {
        if(!ac->timeout)
           continue;
        if(ac->start + (UA_DateTime)(ac->timeout * UA_DATETIME_MSEC) <= now) {
            LIST_REMOVE(ac, pointers);
            UA_Client_AsyncService_cancel(client, ac, UA_STATUSCODE_BADTIMEOUT);
            UA_free(ac);
        }
    }
}

static void
backgroundConnectivityCallback(UA_Client *client, void *userdata,
                               UA_UInt32 requestId, const UA_ReadResponse *response) {
    if(response->responseHeader.serviceResult == UA_STATUSCODE_BADTIMEOUT) {
        if(client->config.inactivityCallback)
            client->config.inactivityCallback(client);
    }
    client->pendingConnectivityCheck = false;
    client->lastConnectivityCheck = UA_DateTime_nowMonotonic();
}

static void
UA_Client_backgroundConnectivity(UA_Client *client) {
    if(!client->config.connectivityCheckInterval)
        return;

    if(client->pendingConnectivityCheck)
        return;

    UA_DateTime now = UA_DateTime_nowMonotonic();
    UA_DateTime nextDate = client->lastConnectivityCheck +
        (UA_DateTime)(client->config.connectivityCheckInterval * UA_DATETIME_MSEC);
    if(now <= nextDate)
        return;

    /* Prepare the request */
    UA_ReadValueId rvid;
    UA_ReadValueId_init(&rvid);
    rvid.attributeId = UA_ATTRIBUTEID_VALUE;
    rvid.nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STATE);
    UA_ReadRequest request;
    UA_ReadRequest_init(&request);
    request.nodesToRead = &rvid;
    request.nodesToReadSize = 1;
    UA_StatusCode retval =
        __UA_Client_AsyncService(client, &request, &UA_TYPES[UA_TYPES_READREQUEST],
                                 (UA_ClientAsyncServiceCallback)backgroundConnectivityCallback,
                                 &UA_TYPES[UA_TYPES_READRESPONSE], NULL, NULL);
    if(retval == UA_STATUSCODE_GOOD)
        client->pendingConnectivityCheck = true;
}

static void
clientExecuteRepeatedCallback(void *executionApplication, UA_ApplicationCallback cb,
                              void *callbackApplication, void *data) {
    cb(callbackApplication, data);
}

UA_StatusCode
UA_Client_run_iterate(UA_Client *client, UA_UInt32 timeout) {
    /* Process timed (repeated) jobs */
    UA_DateTime now = UA_DateTime_nowMonotonic();
    UA_DateTime maxDate =
        UA_Timer_process(&client->timer, now, (UA_TimerExecutionCallback)
                         clientExecuteRepeatedCallback, client);
    if(maxDate > now + ((UA_DateTime)timeout * UA_DATETIME_MSEC))
        maxDate = now + ((UA_DateTime)timeout * UA_DATETIME_MSEC);

    /* Make sure we have an open channel */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(client->endpointsHandshake || client->findServersHandshake ||
       client->discoveryUrl.length == 0 ||
       (client->noSession && client->channel.state != UA_SECURECHANNELSTATE_OPEN) ||
       client->sessionState < UA_SESSIONSTATE_ACTIVATED) {
        retval = connectIterate(client, timeout);
        notifyClientState(client);
        return retval;
    }

    /* Renew Secure Channel */
    UA_Client_renewSecureChannel(client);
    if(client->connectStatus != UA_STATUSCODE_GOOD)
        return client->connectStatus;

    /* Feed the server PublishRequests for the Subscriptions */
#ifdef UA_ENABLE_SUBSCRIPTIONS
    UA_Client_Subscriptions_backgroundPublish(client);
#endif

    /* Send read requests from time to time to test the connectivity */
    UA_Client_backgroundConnectivity(client);

    /* Listen on the network for the given timeout */
    retval = receiveResponse(client, NULL, NULL, maxDate, NULL);
    if(retval == UA_STATUSCODE_GOODNONCRITICALTIMEOUT)
        retval = UA_STATUSCODE_GOOD;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING_CHANNEL(&client->config.logger, &client->channel,
                               "Could not receive with StatusCode %s",
                               UA_StatusCode_name(retval));
    }

#ifdef UA_ENABLE_SUBSCRIPTIONS
    /* The inactivity check must be done after receiveServiceResponse*/
    UA_Client_Subscriptions_backgroundPublishInactivityCheck(client);
#endif

    /* Did async services time out? Process callbacks with an error code */
    asyncServiceTimeoutCheck(client);

    /* Log and notify user if the client state has changed */
    notifyClientState(client);

    return client->connectStatus;
}

const UA_DataType *
UA_Client_findDataType(UA_Client *client, const UA_NodeId *typeId) {
    return UA_findDataTypeWithCustom(typeId, client->config.customDataTypes);
}

/**** amalgamated original file "/src/client/ua_client_connect.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2017-2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017-2019 (c) Fraunhofer IOSB (Author: Mark Giraud)
 */



/* Some OPC UA servers only return all Endpoints if the EndpointURL used during
 * the HEL/ACK handshake exactly matches -- including the path following the
 * address and port! Hence for the first connection we only call FindServers and
 * reopen a new TCP connection using then EndpointURL found there.
 *
 * The overall process is this:
 * - Connect with the EndpointURL provided by the user (HEL/ACK)
 * - Call FindServers
 *   - If one of the results has an exactly matching EndpointUrl, continue.
 *   - Otherwise select a matching server, update the endpointURL member of
 *     UA_Client and reconnect. -
 * - Call GetEndpoints and select an Endpoint
 * - Open a SecureChannel and Session for that Endpoint
 */

#define UA_MINMESSAGESIZE 8192
#define UA_SESSION_LOCALNONCELENGTH 32
#define MAX_DATA_SIZE 4096

static void closeSession(UA_Client *client);
static UA_StatusCode createSessionAsync(UA_Client *client);

static UA_SecurityPolicy *
getSecurityPolicy(UA_Client *client, UA_String policyUri) {
    for(size_t i = 0; i < client->config.securityPoliciesSize; i++) {
        if(UA_String_equal(&policyUri, &client->config.securityPolicies[i].policyUri))
            return &client->config.securityPolicies[i];
    }
    return NULL;
}

static UA_Boolean
endpointUnconfigured(UA_Client *client) {
    char test = 0;
    char *pos = (char *)&client->config.endpoint;
    for(size_t i = 0; i < sizeof(UA_EndpointDescription); i++)
        test = test | *(pos + i);
    pos = (char *)&client->config.userTokenPolicy;
    for(size_t i = 0; i < sizeof(UA_UserTokenPolicy); i++)
        test = test | *(pos + i);
    return (test == 0);
}

#ifdef UA_ENABLE_ENCRYPTION

/* Function to create a signature using remote certificate and nonce */
static UA_StatusCode
signActivateSessionRequest(UA_Client *client, UA_SecureChannel *channel,
                           UA_ActivateSessionRequest *request) {
    if(channel->securityMode != UA_MESSAGESECURITYMODE_SIGN &&
       channel->securityMode != UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        return UA_STATUSCODE_GOOD;

    const UA_SecurityPolicy *sp = channel->securityPolicy;
    UA_SignatureData *sd = &request->clientSignature;

    /* Prepare the signature */
    size_t signatureSize = sp->certificateSigningAlgorithm.
        getLocalSignatureSize(channel->channelContext);
    UA_StatusCode retval = UA_String_copy(&sp->certificateSigningAlgorithm.uri,
                                          &sd->algorithm);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    retval = UA_ByteString_allocBuffer(&sd->signature, signatureSize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Allocate a temporary buffer */
    size_t dataToSignSize = channel->remoteCertificate.length + client->remoteNonce.length;
    if(dataToSignSize > MAX_DATA_SIZE)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString dataToSign;
    retval = UA_ByteString_allocBuffer(&dataToSign, dataToSignSize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval; /* sd->signature is cleaned up with the response */

    /* Sign the signature */
    memcpy(dataToSign.data, channel->remoteCertificate.data,
           channel->remoteCertificate.length);
    memcpy(dataToSign.data + channel->remoteCertificate.length,
           client->remoteNonce.data, client->remoteNonce.length);
    retval = sp->certificateSigningAlgorithm.sign(channel->channelContext,
                                                  &dataToSign, &sd->signature);

    /* Clean up */
    UA_ByteString_clear(&dataToSign);
    return retval;
}

static UA_StatusCode
encryptUserIdentityToken(UA_Client *client, const UA_String *userTokenSecurityPolicy,
                         UA_ExtensionObject *userIdentityToken) {
    UA_IssuedIdentityToken *iit = NULL;
    UA_UserNameIdentityToken *unit = NULL;
    UA_ByteString *tokenData;
    if(userIdentityToken->content.decoded.type == &UA_TYPES[UA_TYPES_ISSUEDIDENTITYTOKEN]) {
        iit = (UA_IssuedIdentityToken*)userIdentityToken->content.decoded.data;
        tokenData = &iit->tokenData;
    } else if(userIdentityToken->content.decoded.type == &UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN]) {
        unit = (UA_UserNameIdentityToken*)userIdentityToken->content.decoded.data;
        tokenData = &unit->password;
    } else {
        return UA_STATUSCODE_GOOD;
    }

    /* No encryption */
    const UA_String none = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
    if(userTokenSecurityPolicy->length == 0 ||
       UA_String_equal(userTokenSecurityPolicy, &none)) {
        return UA_STATUSCODE_GOOD;
    }

    UA_SecurityPolicy *sp = getSecurityPolicy(client, *userTokenSecurityPolicy);
    if(!sp) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_NETWORK,
                       "Could not find the required SecurityPolicy for the UserToken");
        return UA_STATUSCODE_BADSECURITYPOLICYREJECTED;
    }

    /* Create a temp channel context */

    void *channelContext;
    UA_StatusCode retval = sp->channelModule.
        newContext(sp, &client->config.endpoint.serverCertificate, &channelContext);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_NETWORK,
                       "Could not instantiate the SecurityPolicy for the UserToken");
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    
    /* Compute the encrypted length (at least one byte padding) */
    size_t plainTextBlockSize = sp->asymmetricModule.cryptoModule.
        encryptionAlgorithm.getRemotePlainTextBlockSize(channelContext);
    size_t encryptedBlockSize = sp->asymmetricModule.cryptoModule.
        encryptionAlgorithm.getRemoteBlockSize(channelContext);
    UA_UInt32 length = (UA_UInt32)(tokenData->length + client->remoteNonce.length);
    UA_UInt32 totalLength = length + 4; /* Including the length field */
    size_t blocks = totalLength / plainTextBlockSize;
    if(totalLength % plainTextBlockSize != 0)
        blocks++;
    size_t encryptedLength = blocks * encryptedBlockSize;

    /* Allocate memory for encryption overhead */
    UA_ByteString encrypted;
    retval = UA_ByteString_allocBuffer(&encrypted, encryptedLength);
    if(retval != UA_STATUSCODE_GOOD) {
        sp->channelModule.deleteContext(channelContext);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_Byte *pos = encrypted.data;
    const UA_Byte *end = &encrypted.data[encrypted.length];
    retval = UA_UInt32_encodeBinary(&length, &pos, end);
    memcpy(pos, tokenData->data, tokenData->length);
    memcpy(&pos[tokenData->length], client->remoteNonce.data, client->remoteNonce.length);
    UA_assert(retval == UA_STATUSCODE_GOOD);

    /* Add padding
     *
     * 7.36.2.2 Legacy Encrypted Token Secret Format: A Client should not add any
     * padding after the secret. If a Client adds padding then all bytes shall
     * be zero. A Server shall check for padding added by Clients and ensure
     * that all padding bytes are zeros. */
    size_t paddedLength = plainTextBlockSize * blocks;
    for(size_t i = totalLength; i < paddedLength; i++)
        encrypted.data[i] = 0;
    encrypted.length = paddedLength;

    retval = sp->asymmetricModule.cryptoModule.encryptionAlgorithm.
        encrypt(channelContext, &encrypted);
    encrypted.length = encryptedLength;

    if(iit) {
        retval |= UA_String_copy(&sp->asymmetricModule.cryptoModule.encryptionAlgorithm.uri,
                                 &iit->encryptionAlgorithm);
    } else {
        retval |= UA_String_copy(&sp->asymmetricModule.cryptoModule.encryptionAlgorithm.uri,
                                 &unit->encryptionAlgorithm);
    }

    UA_ByteString_clear(tokenData);
    *tokenData = encrypted;

    /* Delete the temp channel context */
    sp->channelModule.deleteContext(channelContext);

    return retval;
}

/* Function to verify the signature corresponds to ClientNonce
 * using the local certificate */
static UA_StatusCode
checkCreateSessionSignature(UA_Client *client, const UA_SecureChannel *channel,
                            const UA_CreateSessionResponse *response) {
    if(channel->securityMode != UA_MESSAGESECURITYMODE_SIGN &&
       channel->securityMode != UA_MESSAGESECURITYMODE_SIGNANDENCRYPT)
        return UA_STATUSCODE_GOOD;

    if(!channel->securityPolicy)
        return UA_STATUSCODE_BADINTERNALERROR;

    const UA_SecurityPolicy *sp = channel->securityPolicy;
    const UA_ByteString *lc = &sp->localCertificate;

    size_t dataToVerifySize = lc->length + client->localNonce.length;
    UA_ByteString dataToVerify = UA_BYTESTRING_NULL;
    UA_StatusCode retval = UA_ByteString_allocBuffer(&dataToVerify, dataToVerifySize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    memcpy(dataToVerify.data, lc->data, lc->length);
    memcpy(dataToVerify.data + lc->length,
           client->localNonce.data, client->localNonce.length);

    retval = sp->certificateSigningAlgorithm.verify(channel->channelContext, &dataToVerify,
                                                    &response->serverSignature.signature);
    UA_ByteString_clear(&dataToVerify);
    return retval;
}

#endif

/***********************/
/* Open the Connection */
/***********************/

void
processERRResponse(UA_Client *client, const UA_ByteString *chunk) {
    client->channel.state = UA_SECURECHANNELSTATE_CLOSING;

    size_t offset = 0;
    UA_TcpErrorMessage errMessage;
    UA_StatusCode res =
        UA_decodeBinaryInternal(chunk, &offset, &errMessage,
                                &UA_TRANSPORT[UA_TRANSPORT_TCPERRORMESSAGE], NULL);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR_CHANNEL(&client->config.logger, &client->channel,
                             "Received an ERR response that could not be decoded with StatusCode %s",
                             UA_StatusCode_name(res));
        client->connectStatus = res;
        return;
    }

    UA_LOG_ERROR_CHANNEL(&client->config.logger, &client->channel,
                         "Received an ERR response with StatusCode %s and the following reason: %.*s",
                         UA_StatusCode_name(errMessage.error), (int)errMessage.reason.length, errMessage.reason.data);
    client->connectStatus = errMessage.error;
    UA_TcpErrorMessage_clear(&errMessage);
}

void
processACKResponse(UA_Client *client, const UA_ByteString *chunk) {
    UA_SecureChannel *channel = &client->channel;
    if(channel->state != UA_SECURECHANNELSTATE_HEL_SENT) {
        UA_LOG_ERROR_CHANNEL(&client->config.logger, channel,
                             "Expected an ACK response");
        channel->state = UA_SECURECHANNELSTATE_CLOSING;
        return;
    }

    UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_NETWORK, "Received ACK message");

    /* Decode the message */
    size_t offset = 0;
    UA_TcpAcknowledgeMessage ackMessage;
    client->connectStatus =
        UA_decodeBinaryInternal(chunk, &offset, &ackMessage,
                                &UA_TRANSPORT[UA_TRANSPORT_TCPACKNOWLEDGEMESSAGE], NULL);
    if(client->connectStatus != UA_STATUSCODE_GOOD) {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_NETWORK,
                     "Decoding ACK message failed");
        closeSecureChannel(client);
        return;
    }

    client->connectStatus =
        UA_SecureChannel_processHELACK(channel, &ackMessage);
    if(client->connectStatus != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_NETWORK,
                     "Processing the ACK message failed with StatusCode %s",
                     UA_StatusCode_name(client->connectStatus));
        closeSecureChannel(client);
        return;
    }

    client->channel.state = UA_SECURECHANNELSTATE_ACK_RECEIVED;
}

static UA_StatusCode
sendHELMessage(UA_Client *client) {
    /* Get a buffer */
    UA_ByteString message;
    UA_Connection *conn = &client->connection;
    UA_StatusCode retval = conn->getSendBuffer(conn, UA_MINMESSAGESIZE, &message);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Prepare the HEL message and encode at offset 8 */
    UA_TcpHelloMessage hello;
    hello.protocolVersion = 0;
    hello.receiveBufferSize = client->config.localConnectionConfig.recvBufferSize;
    hello.sendBufferSize = client->config.localConnectionConfig.sendBufferSize;
    hello.maxMessageSize = client->config.localConnectionConfig.localMaxMessageSize;
    hello.maxChunkCount = client->config.localConnectionConfig.localMaxChunkCount;

    /* Use the DiscoveryUrl -- if already known via FindServers */
    if(client->discoveryUrl.length > 0) {
        hello.endpointUrl = client->discoveryUrl;
    } else {
        hello.endpointUrl = client->endpointUrl;
    }

    UA_Byte *bufPos = &message.data[8]; /* skip the header */
    const UA_Byte *bufEnd = &message.data[message.length];
    client->connectStatus =
        UA_encodeBinaryInternal(&hello, &UA_TRANSPORT[UA_TRANSPORT_TCPHELLOMESSAGE],
                                &bufPos, &bufEnd, NULL, NULL);

    /* Encode the message header at offset 0 */
    UA_TcpMessageHeader messageHeader;
    messageHeader.messageTypeAndChunkType = UA_CHUNKTYPE_FINAL + UA_MESSAGETYPE_HEL;
    messageHeader.messageSize = (UA_UInt32) ((uintptr_t)bufPos - (uintptr_t)message.data);
    bufPos = message.data;
    retval = UA_encodeBinaryInternal(&messageHeader,
                                     &UA_TRANSPORT[UA_TRANSPORT_TCPMESSAGEHEADER],
                                     &bufPos, &bufEnd, NULL, NULL);
    if(retval != UA_STATUSCODE_GOOD) {
        conn->releaseSendBuffer(conn, &message);
        return retval;
    }

    /* Send the HEL message */
    message.length = messageHeader.messageSize;
    retval = conn->send(conn, &message);
    if(retval == UA_STATUSCODE_GOOD) {
        client->channel.state = UA_SECURECHANNELSTATE_HEL_SENT;
        UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_NETWORK, "Sent HEL message");
    } else {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_NETWORK, "Sending HEL failed");
    }
    return retval;
}

void
processOPNResponse(UA_Client *client, const UA_ByteString *message) {
    /* Is the content of the expected type? */
    size_t offset = 0;
    UA_NodeId responseId;
    UA_NodeId expectedId =
        UA_NODEID_NUMERIC(0, UA_NS0ID_OPENSECURECHANNELRESPONSE_ENCODING_DEFAULTBINARY);
    UA_StatusCode retval = UA_NodeId_decodeBinary(message, &offset, &responseId);
    if(retval != UA_STATUSCODE_GOOD) {
        closeSecureChannel(client);
        return;
    }

    if(!UA_NodeId_equal(&responseId, &expectedId)) {
        UA_NodeId_clear(&responseId);
        closeSecureChannel(client);
        return;
    }

    /* Decode the response */
    UA_OpenSecureChannelResponse response;
    retval = UA_decodeBinaryInternal(message, &offset, &response,
                                     &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE], NULL);
    if(retval != UA_STATUSCODE_GOOD) {
        closeSecureChannel(client);
        return;
    }

    /* Check whether the nonce was reused */
    if(client->channel.securityMode != UA_MESSAGESECURITYMODE_NONE &&
       UA_ByteString_equal(&client->channel.remoteNonce,
                           &response.serverNonce)) {
        UA_LOG_ERROR_CHANNEL(&client->config.logger, &client->channel,
                             "The server reused the last nonce");
        client->connectStatus = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        closeSecureChannel(client);
        return;
    }

    /* Response.securityToken.revisedLifetime is UInt32 we need to cast it to
     * DateTime=Int64 we take 75% of lifetime to start renewing as described in
     * standard */
    client->nextChannelRenewal = UA_DateTime_nowMonotonic()
            + (UA_DateTime) (response.securityToken.revisedLifetime
                    * (UA_Double) UA_DATETIME_MSEC * 0.75);

    /* Move the nonce out of the response */
    UA_ByteString_clear(&client->channel.remoteNonce);
    client->channel.remoteNonce = response.serverNonce;
    UA_ByteString_init(&response.serverNonce);
    UA_ResponseHeader_clear(&response.responseHeader);

    /* Replace the token. Keep the current token as the old token. Messages
     * might still arrive for the old token. */
    client->channel.altSecurityToken = client->channel.securityToken;
    client->channel.securityToken = response.securityToken;
    client->channel.renewState = UA_SECURECHANNELRENEWSTATE_NEWTOKEN_CLIENT;

    /* Compute the new local keys. The remote keys are updated when a message
     * with the new SecurityToken is received. */
    retval = UA_SecureChannel_generateLocalKeys(&client->channel);
    if(retval != UA_STATUSCODE_GOOD) {
        closeSecureChannel(client);
        return;
    }

    UA_Float lifetime = (UA_Float)response.securityToken.revisedLifetime / 1000;
    UA_Boolean renew = (client->channel.state == UA_SECURECHANNELSTATE_OPEN);
    if(renew) {
        UA_LOG_INFO_CHANNEL(&client->config.logger, &client->channel, "SecureChannel "
                            "renewed with a revised lifetime of %.2fs", lifetime);
    } else {
        UA_LOG_INFO_CHANNEL(&client->config.logger, &client->channel,
                            "SecureChannel opened with SecurityPolicy %.*s "
                            "and a revised lifetime of %.2fs",
                            (int)client->channel.securityPolicy->policyUri.length,
                            client->channel.securityPolicy->policyUri.data, lifetime);
    }

    client->channel.state = UA_SECURECHANNELSTATE_OPEN;
}

/* OPN messges to renew the channel are sent asynchronous */
static UA_StatusCode
sendOPNAsync(UA_Client *client, UA_Boolean renew) {
    UA_Connection *conn = &client->connection;
    if(conn->state != UA_CONNECTIONSTATE_ESTABLISHED) {
        closeSecureChannel(client);
        return UA_STATUSCODE_BADNOTCONNECTED;
    }

    UA_StatusCode retval = UA_SecureChannel_generateLocalNonce(&client->channel);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Prepare the OpenSecureChannelRequest */
    UA_OpenSecureChannelRequest opnSecRq;
    UA_OpenSecureChannelRequest_init(&opnSecRq);
    opnSecRq.requestHeader.timestamp = UA_DateTime_now();
    opnSecRq.requestHeader.authenticationToken = client->authenticationToken;
    opnSecRq.securityMode = client->channel.securityMode;
    opnSecRq.clientNonce = client->channel.localNonce;
    opnSecRq.requestedLifetime = client->config.secureChannelLifeTime;
    if(renew) {
        opnSecRq.requestType = UA_SECURITYTOKENREQUESTTYPE_RENEW;
        UA_LOG_DEBUG_CHANNEL(&client->config.logger, &client->channel,
                             "Requesting to renew the SecureChannel");
    } else {
        opnSecRq.requestType = UA_SECURITYTOKENREQUESTTYPE_ISSUE;
        UA_LOG_DEBUG_CHANNEL(&client->config.logger, &client->channel,
                             "Requesting to open a SecureChannel");
    }

    /* Prepare the entry for the linked list */
    UA_UInt32 requestId = ++client->requestId;

    /* Send the OPN message */
    UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL,
                 "Requesting to open a SecureChannel");
    retval =
        UA_SecureChannel_sendAsymmetricOPNMessage(&client->channel, requestId, &opnSecRq,
                                                  &UA_TYPES[UA_TYPES_OPENSECURECHANNELREQUEST]);
    if(retval != UA_STATUSCODE_GOOD) {
        client->connectStatus = retval;
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL,
                      "Sending OPN message failed with error %s",
                      UA_StatusCode_name(retval));
        closeSecureChannel(client);
        return retval;
    }

    client->channel.renewState = UA_SECURECHANNELRENEWSTATE_SENT;
    if(client->channel.state < UA_SECURECHANNELSTATE_OPN_SENT)
        client->channel.state = UA_SECURECHANNELSTATE_OPN_SENT;
    UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL, "OPN message sent");
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Client_renewSecureChannel(UA_Client *client) {
    /* Check if OPN has been sent or the SecureChannel is still valid */
    if(client->channel.state != UA_SECURECHANNELSTATE_OPEN ||
       client->channel.renewState == UA_SECURECHANNELRENEWSTATE_SENT ||
       client->nextChannelRenewal > UA_DateTime_nowMonotonic())
        return UA_STATUSCODE_GOODCALLAGAIN;
    sendOPNAsync(client, true);
    return client->connectStatus;
}

static void
responseActivateSession(UA_Client *client, void *userdata, UA_UInt32 requestId,
                        void *response) {
    UA_ActivateSessionResponse *activateResponse =
            (UA_ActivateSessionResponse *)response;
    if(activateResponse->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "ActivateSession failed with error code %s",
                     UA_StatusCode_name(activateResponse->responseHeader.serviceResult));
        if(activateResponse->responseHeader.serviceResult == UA_STATUSCODE_BADSESSIONIDINVALID ||
           activateResponse->responseHeader.serviceResult == UA_STATUSCODE_BADSESSIONCLOSED) {
            /* The session is lost. Create a new one. */
            closeSession(client);
            createSessionAsync(client);
            UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                         "Session cannot be activated. Create a new Session.");
        } else {
            /* Something else is wrong. Give up. */
            client->connectStatus = activateResponse->responseHeader.serviceResult;
        }
        return;
    }

    /* Replace the nonce */
    UA_ByteString_clear(&client->remoteNonce);
    client->remoteNonce = activateResponse->serverNonce;
    UA_ByteString_init(&activateResponse->serverNonce);

    client->sessionState = UA_SESSIONSTATE_ACTIVATED;
    notifyClientState(client);
}

static UA_StatusCode
activateSessionAsync(UA_Client *client) {
    UA_ActivateSessionRequest request;
    UA_ActivateSessionRequest_init(&request);
    request.requestHeader.requestHandle = ++client->requestHandle;
    request.requestHeader.timestamp = UA_DateTime_now ();
    request.requestHeader.timeoutHint = 600000;
    UA_StatusCode retval =
        UA_ExtensionObject_copy(&client->config.userIdentityToken, &request.userIdentityToken);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    if (client->config.sessionLocaleIdsSize && client->config.sessionLocaleIds) {
        retval = UA_Array_copy(client->config.sessionLocaleIds, client->config.sessionLocaleIdsSize,
                               (void **)&request.localeIds, &UA_TYPES[UA_TYPES_LOCALEID]);
        if (retval != UA_STATUSCODE_GOOD)
            return retval;

        request.localeIdsSize = client->config.sessionLocaleIdsSize;
    }

    /* If not token is set, use anonymous */
    if(request.userIdentityToken.encoding == UA_EXTENSIONOBJECT_ENCODED_NOBODY) {
        UA_AnonymousIdentityToken *t = UA_AnonymousIdentityToken_new();
        if(!t) {
            UA_ActivateSessionRequest_clear(&request);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        request.userIdentityToken.content.decoded.data = t;
        request.userIdentityToken.content.decoded.type = &UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN];
        request.userIdentityToken.encoding = UA_EXTENSIONOBJECT_DECODED;
    }

    /* Set the policy-Id from the endpoint. Every IdentityToken starts with a
     * string. */
    retval = UA_String_copy(&client->config.userTokenPolicy.policyId,
                            (UA_String*)request.userIdentityToken.content.decoded.data);

#ifdef UA_ENABLE_ENCRYPTION
    /* Encrypt the UserIdentityToken */
    const UA_String *userTokenPolicy = &client->channel.securityPolicy->policyUri;
    if(client->config.userTokenPolicy.securityPolicyUri.length > 0)
        userTokenPolicy = &client->config.userTokenPolicy.securityPolicyUri;
    retval |= encryptUserIdentityToken(client, userTokenPolicy, &request.userIdentityToken);
    retval |= signActivateSessionRequest(client, &client->channel, &request);
#endif

    if(retval == UA_STATUSCODE_GOOD)
        retval = UA_Client_sendAsyncRequest(client, &request,
                                            &UA_TYPES[UA_TYPES_ACTIVATESESSIONREQUEST],
                                            (UA_ClientAsyncServiceCallback) responseActivateSession,
                                            &UA_TYPES[UA_TYPES_ACTIVATESESSIONRESPONSE], NULL, NULL);

    UA_ActivateSessionRequest_clear(&request);
    if(retval == UA_STATUSCODE_GOOD)
        client->sessionState = UA_SESSIONSTATE_ACTIVATE_REQUESTED;
    else
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "ActivateSession failed when sending the request with error code %s",
                           UA_StatusCode_name(retval));

    return retval;
}

/* Combination of UA_Client_getEndpointsInternal and getEndpoints */
static void
responseGetEndpoints(UA_Client *client, void *userdata, UA_UInt32 requestId,
                     void *response) {
    client->endpointsHandshake = false;

    UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                 "Received FindServersResponse");

    UA_GetEndpointsResponse *resp = (UA_GetEndpointsResponse*)response;
    /* GetEndpoints not possible. Fail the connection */
    if(resp->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        client->connectStatus = resp->responseHeader.serviceResult;
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "GetEndpointRequest failed with error code %s",
                     UA_StatusCode_name(client->connectStatus));
        UA_GetEndpointsResponse_clear(resp);
        return;
    }

    /* Warn if the Endpoints look incomplete / don't match the EndpointUrl */
    Client_warnEndpointsResult(client, resp, &client->discoveryUrl);

    UA_Boolean endpointFound = false;
    UA_Boolean tokenFound = false;
    const UA_String binaryTransport = UA_STRING("http://opcfoundation.org/UA-Profile/"
                                                "Transport/uatcp-uasc-uabinary");

    /* Find a matching combination of Endpoint and UserTokenPolicy */
    for(size_t i = 0; i < resp->endpointsSize; ++i) {
        UA_EndpointDescription* endpoint = &resp->endpoints[i];

        /* Filter by the ApplicationURI if defined */
        if(client->config.applicationUri.length > 0 &&
           !UA_String_equal(&client->config.applicationUri,
                            &endpoint->server.applicationUri))
            continue;

        /* Look out for binary transport endpoints.
         * Note: Siemens returns empty ProfileUrl, we will accept it as binary. */
        if(endpoint->transportProfileUri.length != 0 &&
           !UA_String_equal (&endpoint->transportProfileUri, &binaryTransport))
            continue;

        /* Valid SecurityMode? */
        if(endpoint->securityMode < 1 || endpoint->securityMode > 3) {
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Rejecting endpoint %lu: invalid security mode",
                        (long unsigned)i);
            continue;
        }

        /* Selected SecurityMode? */
        if(client->config.securityMode > 0 &&
           client->config.securityMode != endpoint->securityMode) {
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Rejecting endpoint %lu: security mode doesn't match",
                        (long unsigned)i);
            continue;
        }

        /* Matching SecurityPolicy? */
        if(client->config.securityPolicyUri.length > 0 &&
           !UA_String_equal(&client->config.securityPolicyUri,
                            &endpoint->securityPolicyUri)) {
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Rejecting endpoint %lu: security policy doesn't match",
                        (long unsigned)i);
            continue;
        }

        /* SecurityPolicy available? */
        if(!getSecurityPolicy(client, endpoint->securityPolicyUri)) {
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Rejecting endpoint %lu: security policy not available",
                        (long unsigned)i);
            continue;
        }

        endpointFound = true;

        /* Look for a user token policy with an anonymous token */
        for(size_t j = 0; j < endpoint->userIdentityTokensSize; ++j) {
            UA_UserTokenPolicy* tokenPolicy = &endpoint->userIdentityTokens[j];
            const UA_DataType *tokenType = client->config.userIdentityToken.content.decoded.type;

            /* Usertokens also have a security policy... */
            if(tokenPolicy->tokenType != UA_USERTOKENTYPE_ANONYMOUS && 
               tokenPolicy->securityPolicyUri.length > 0 &&
               !getSecurityPolicy(client, tokenPolicy->securityPolicyUri)) {
                UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                            "Rejecting UserTokenPolicy %lu in endpoint %lu: "
                            "security policy '%.*s' not available", (long unsigned)j, (long unsigned)i,
                            (int)tokenPolicy->securityPolicyUri.length,
                            tokenPolicy->securityPolicyUri.data);
                continue;
            }

            if(tokenPolicy->tokenType > 3) {
                UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                            "Rejecting UserTokenPolicy %lu in endpoint %lu: invalid token type",
                            (long unsigned)j, (long unsigned)i);
                continue;
            }

            if(tokenPolicy->tokenType == UA_USERTOKENTYPE_ANONYMOUS &&
               tokenType != &UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN] &&
               tokenType != NULL) {
                UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                            "Rejecting UserTokenPolicy %lu (anonymous) in endpoint %lu: "
                            "configuration doesn't match", (long unsigned)j, (long unsigned)i);
                continue;
            }
            if(tokenPolicy->tokenType == UA_USERTOKENTYPE_USERNAME &&
               tokenType != &UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN]) {
                UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                            "Rejecting UserTokenPolicy %lu (username) in endpoint %lu: "
                            "configuration doesn't match", (long unsigned)j, (long unsigned)i);
                continue;
            }
            if(tokenPolicy->tokenType == UA_USERTOKENTYPE_CERTIFICATE &&
               tokenType != &UA_TYPES[UA_TYPES_X509IDENTITYTOKEN]) {
                UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                            "Rejecting UserTokenPolicy %lu (certificate) in endpoint %lu: "
                            "configuration doesn't match", (long unsigned)j, (long unsigned)i);
                continue;
            }
            if(tokenPolicy->tokenType == UA_USERTOKENTYPE_ISSUEDTOKEN &&
               tokenType != &UA_TYPES[UA_TYPES_ISSUEDIDENTITYTOKEN]) {
                UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                            "Rejecting UserTokenPolicy %lu (token) in endpoint %lu: "
                            "configuration doesn't match", (long unsigned)j, (long unsigned)i);
                continue;
            }

            /* Endpoint with matching usertokenpolicy found */

#if UA_LOGLEVEL <= 300
            const char *securityModeNames[3] = {"None", "Sign", "SignAndEncrypt"};
            const char *userTokenTypeNames[4] = {"Anonymous", "UserName",
                                                 "Certificate", "IssuedToken"};
            UA_String *securityPolicyUri = &tokenPolicy->securityPolicyUri;
            if(securityPolicyUri->length == 0)
                securityPolicyUri = &endpoint->securityPolicyUri;

            /* Log the selected endpoint */
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Selected endpoint %lu in URL %.*s with SecurityMode %s and SecurityPolicy %.*s",
                        (long unsigned)i, (int)endpoint->endpointUrl.length,
                        endpoint->endpointUrl.data,
                        securityModeNames[endpoint->securityMode - 1],
                        (int)endpoint->securityPolicyUri.length,
                        endpoint->securityPolicyUri.data);

            /* Log the selected UserTokenPolicy */
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "Selected UserTokenPolicy %.*s with UserTokenType %s and SecurityPolicy %.*s",
                        (int)tokenPolicy->policyId.length, tokenPolicy->policyId.data,
                        userTokenTypeNames[tokenPolicy->tokenType],
                        (int)securityPolicyUri->length, securityPolicyUri->data);
#endif

            /* Move to the client config */
            tokenFound = true;
            UA_EndpointDescription_clear(&client->config.endpoint);
            client->config.endpoint = *endpoint;
            UA_EndpointDescription_init(endpoint);
            UA_UserTokenPolicy_clear(&client->config.userTokenPolicy);
            client->config.userTokenPolicy = *tokenPolicy;
            UA_UserTokenPolicy_init(tokenPolicy);

            break;
        }

        if(tokenFound)
            break;
    }

    if(!endpointFound) {
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "No suitable endpoint found");
        client->connectStatus = UA_STATUSCODE_BADINTERNALERROR;
    } else if(!tokenFound) {
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "No suitable UserTokenPolicy found for the possible endpoints");
        client->connectStatus = UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Close the SecureChannel if a different SecurityPolicy is defined by the Endpoint */
    if(client->config.endpoint.securityMode != client->channel.securityMode ||
       !UA_String_equal(&client->config.endpoint.securityPolicyUri,
                        &client->channel.securityPolicy->policyUri))
        closeSecureChannel(client);
}

static UA_StatusCode
requestGetEndpoints(UA_Client *client) {
    UA_GetEndpointsRequest request;
    UA_GetEndpointsRequest_init(&request);
    request.requestHeader.timestamp = UA_DateTime_now();
    request.requestHeader.timeoutHint = 10000;
    if(client->discoveryUrl.length > 0)
        request.endpointUrl = client->discoveryUrl;
    else
        request.endpointUrl = client->endpointUrl;
    UA_StatusCode retval =
        UA_Client_sendAsyncRequest(client, &request, &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST],
                                   (UA_ClientAsyncServiceCallback) responseGetEndpoints,
                                   &UA_TYPES[UA_TYPES_GETENDPOINTSRESPONSE], NULL, NULL);
    if(retval == UA_STATUSCODE_GOOD)
        client->endpointsHandshake = true;
    else
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "RequestGetEndpoints failed when sending the request with error code %s",
                     UA_StatusCode_name(retval));
    return retval;
}

static void
responseFindServers(UA_Client *client, void *userdata,
                    UA_UInt32 requestId, void *response) {
    client->findServersHandshake = false;

    UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                 "Received FindServersResponse");

    /* Error handling. Log the error but continue to connect with the current
     * EndpointURL. */
    UA_FindServersResponse *fsr = (UA_FindServersResponse*)response;
    if(fsr->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "FindServers failed with error code %s. Continue with the "
                       "EndpointURL %.*s.",
                       UA_StatusCode_name(fsr->responseHeader.serviceResult),
                       (int)client->endpointUrl.length, client->endpointUrl.data);
        UA_String_copy(&client->endpointUrl, &client->discoveryUrl);
        return;
    }

    /* Check if one of the returned servers matches the EndpointURL already used */
    for(size_t i = 0; i < fsr->serversSize; i++) {
        UA_ApplicationDescription *server = &fsr->servers[i];

        /* Filter by the ApplicationURI if defined */
        if(client->config.applicationUri.length > 0 &&
           !UA_String_equal(&client->config.applicationUri,
                            &server->applicationUri))
            continue;

        for(size_t j = 0; j < server->discoveryUrlsSize; j++) {
            if(UA_String_equal(&client->endpointUrl, &server->discoveryUrls[j])) {
                UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                            "The initially defined EndpointURL %.*s"
                            "is valid for the server",
                            (int)client->endpointUrl.length,
                            client->endpointUrl.data);
                UA_String_copy(&client->endpointUrl, &client->discoveryUrl);
                return;
            }
        }
    }

    /* The current EndpointURL is not usable. Pick the first DiscoveryUrl of a
     * returned server. */
    for(size_t i = 0; i < fsr->serversSize; i++) {
        UA_ApplicationDescription *server = &fsr->servers[i];
        if(server->applicationType != UA_APPLICATIONTYPE_SERVER)
            continue;
        if(server->discoveryUrlsSize == 0)
            continue;

        /* Filter by the ApplicationURI if defined */
        if(client->config.applicationUri.length > 0 &&
           !UA_String_equal(&client->config.applicationUri,
                            &server->applicationUri))
            continue;

        /* Use this DiscoveryUrl in the client */
        UA_String_clear(&client->discoveryUrl);
        client->discoveryUrl = server->discoveryUrls[0];
        UA_String_init(&server->discoveryUrls[0]);

        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "Use the EndpointURL %.*s returned from FindServers",
                    (int)client->discoveryUrl.length,
                    client->discoveryUrl.data);

        /* Close the SecureChannel to build it up new with the correct
         * EndpointURL in the HEL/ACK handshake */
        closeSecureChannel(client);
        return;
    }

    /* Could not find a suitable server. Try to continue. */
    UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                   "FindServers did not returned a suitable DiscoveryURL. "
                   "Continue with the EndpointURL %.*s.",
                   (int)client->endpointUrl.length, client->endpointUrl.data);
    UA_String_copy(&client->endpointUrl, &client->discoveryUrl);
}

static UA_StatusCode
requestFindServers(UA_Client *client) {
    UA_FindServersRequest request;
    UA_FindServersRequest_init(&request);
    request.requestHeader.timestamp = UA_DateTime_now();
    request.requestHeader.timeoutHint = 10000;
    request.endpointUrl = client->endpointUrl;
    UA_StatusCode retval =
        UA_Client_sendAsyncRequest(client, &request, &UA_TYPES[UA_TYPES_FINDSERVERSREQUEST],
                                   (UA_ClientAsyncServiceCallback) responseFindServers,
                                   &UA_TYPES[UA_TYPES_FINDSERVERSRESPONSE], NULL, NULL);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "FindServers failed when sending the request with error code %s",
                     UA_StatusCode_name(retval));
        return retval;
    }

    client->findServersHandshake = true;
    return UA_STATUSCODE_GOOD;
}

static void
responseSessionCallback(UA_Client *client, void *userdata,
                        UA_UInt32 requestId, void *response) {
    UA_CreateSessionResponse *sessionResponse = (UA_CreateSessionResponse*)response;
    UA_StatusCode res = sessionResponse->responseHeader.serviceResult;
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;

#ifdef UA_ENABLE_ENCRYPTION
    if(client->channel.securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       client->channel.securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        /* Verify the session response was created with the same certificate as
         * the SecureChannel */
        if(!UA_ByteString_equal(&sessionResponse->serverCertificate,
                                &client->channel.remoteCertificate)) {
            res = UA_STATUSCODE_BADCERTIFICATEINVALID;
            goto cleanup;
        }

        /* Verify the client signature */
        res = checkCreateSessionSignature(client, &client->channel, sessionResponse);
        if(res != UA_STATUSCODE_GOOD)
            goto cleanup;
    }
#endif
    
    /* Copy nonce and AuthenticationToken */
    UA_ByteString_clear(&client->remoteNonce);
    UA_NodeId_clear(&client->authenticationToken);
    res |= UA_ByteString_copy(&sessionResponse->serverNonce, &client->remoteNonce);
    res |= UA_NodeId_copy(&sessionResponse->authenticationToken, &client->authenticationToken);
    if(res != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Activate the new Session */
    client->sessionState = UA_SESSIONSTATE_CREATED;

 cleanup:
    client->connectStatus = res;
    if(client->connectStatus != UA_STATUSCODE_GOOD)
        client->sessionState = UA_SESSIONSTATE_CLOSED;
}

static UA_StatusCode
createSessionAsync(UA_Client *client) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(client->channel.securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       client->channel.securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        if(client->localNonce.length != UA_SESSION_LOCALNONCELENGTH) {
           UA_ByteString_clear(&client->localNonce);
            retval = UA_ByteString_allocBuffer(&client->localNonce,
                                               UA_SESSION_LOCALNONCELENGTH);
            if(retval != UA_STATUSCODE_GOOD)
                return retval;
        }
        retval = client->channel.securityPolicy->symmetricModule.
                 generateNonce(client->channel.securityPolicy->policyContext,
                               &client->localNonce);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    UA_CreateSessionRequest request;
    UA_CreateSessionRequest_init(&request);
    request.requestHeader.requestHandle = ++client->requestHandle;
    request.requestHeader.timestamp = UA_DateTime_now();
    request.requestHeader.timeoutHint = 10000;
    UA_ByteString_copy(&client->localNonce, &request.clientNonce);
    request.requestedSessionTimeout = client->config.requestedSessionTimeout;
    request.maxResponseMessageSize = UA_INT32_MAX;
    UA_String_copy(&client->config.endpoint.endpointUrl, &request.endpointUrl);
    UA_ApplicationDescription_copy(&client->config.clientDescription,
                                   &request.clientDescription);

    if(client->channel.securityMode == UA_MESSAGESECURITYMODE_SIGN ||
       client->channel.securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
        UA_ByteString_copy(&client->channel.securityPolicy->localCertificate,
                           &request.clientCertificate);
    }

    retval = UA_Client_sendAsyncRequest(client, &request, &UA_TYPES[UA_TYPES_CREATESESSIONREQUEST],
                                        (UA_ClientAsyncServiceCallback)responseSessionCallback,
                                        &UA_TYPES[UA_TYPES_CREATESESSIONRESPONSE], NULL, NULL);
    UA_CreateSessionRequest_clear(&request);

    if(retval == UA_STATUSCODE_GOOD)
        client->sessionState = UA_SESSIONSTATE_CREATE_REQUESTED;
    else
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "CreateSession failed when sending the request with error code %s",
                           UA_StatusCode_name(retval));

    return retval;
}

static UA_StatusCode
initConnect(UA_Client *client);

UA_StatusCode
connectIterate(UA_Client *client, UA_UInt32 timeout) {
    UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                 "Client connect iterate");

    /* Already connected */
    if(client->sessionState == UA_SESSIONSTATE_ACTIVATED)
        return UA_STATUSCODE_GOOD;

    /* Could not connect */
    if(client->connectStatus != UA_STATUSCODE_GOOD)
        return client->connectStatus;

    /* The connection was already closed */
    if(client->channel.state == UA_SECURECHANNELSTATE_CLOSING) {
        client->connectStatus = UA_STATUSCODE_BADCONNECTIONCLOSED;
        return UA_STATUSCODE_BADCONNECTIONCLOSED;
    }

    /* The connection is closed. Reset the SecureChannel and open a new TCP
     * connection */
    if(client->connection.state == UA_CONNECTIONSTATE_CLOSED)
        return initConnect(client);

    /* Poll the connection status */
    if(client->connection.state == UA_CONNECTIONSTATE_OPENING) {
        client->connectStatus =
            client->config.pollConnectionFunc(&client->connection, timeout,
                                              &client->config.logger);
        return client->connectStatus;
    }

    /* Attach the connection to the SecureChannel */
    if(!client->channel.connection)
        UA_Connection_attachSecureChannel(&client->connection, &client->channel);

    /* Set the SecurityPolicy */
    if(!client->channel.securityPolicy) {
        client->channel.securityMode = client->config.endpoint.securityMode;
        if(client->channel.securityMode == UA_MESSAGESECURITYMODE_INVALID)
            client->channel.securityMode = UA_MESSAGESECURITYMODE_NONE;

        UA_SecurityPolicy *sp = NULL;
        if(client->config.endpoint.securityPolicyUri.length == 0) {
            sp = getSecurityPolicy(client,
                                   UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None"));
        } else {
            sp = getSecurityPolicy(client, client->config.endpoint.securityPolicyUri);
        }
        if(!sp) {
            client->connectStatus = UA_STATUSCODE_BADINTERNALERROR;
            return client->connectStatus;
        }

        client->connectStatus =
            UA_SecureChannel_setSecurityPolicy(&client->channel, sp,
                                               &client->config.endpoint.serverCertificate);
        if(client->connectStatus != UA_STATUSCODE_GOOD)
            return client->connectStatus;
    }

    /* Open the SecureChannel */
    switch(client->channel.state) {
    case UA_SECURECHANNELSTATE_FRESH:
        client->connectStatus = sendHELMessage(client);
        if(client->connectStatus == UA_STATUSCODE_GOOD) {
            client->channel.state = UA_SECURECHANNELSTATE_HEL_SENT;
        } else {
            client->connection.close(&client->connection);
            client->connection.free(&client->connection);
        }
        return client->connectStatus;
    case UA_SECURECHANNELSTATE_ACK_RECEIVED:
        client->connectStatus = sendOPNAsync(client, false);
        return client->connectStatus;
    case UA_SECURECHANNELSTATE_HEL_SENT:
    case UA_SECURECHANNELSTATE_OPN_SENT:
        client->connectStatus = receiveResponseAsync(client, timeout);
        return client->connectStatus;
    default:
        break;
    }

    /* Call FindServers to see whether we need to reconnect with the correct
     * EndpointUrl */
    if(!client->findServersHandshake && client->discoveryUrl.length == 0) {
        client->connectStatus = requestFindServers(client);
        return client->connectStatus;
    }

    /* FindServers was sent out, but we are still waiting for the response */
    if(client->discoveryUrl.length == 0) {
        receiveResponseAsync(client, timeout);
        return client->connectStatus;
    }

    /* Have a SecureChannel but no session */
    if(client->noSession)
        return client->connectStatus;

    /* Create and Activate the Session */
    switch(client->sessionState) {
    case UA_SESSIONSTATE_CLOSED:
        if(!endpointUnconfigured(client)) {
            client->connectStatus = createSessionAsync(client);
            return client->connectStatus;
        }
        if(!client->endpointsHandshake) {
            client->connectStatus = requestGetEndpoints(client);
            return client->connectStatus;
        }
        receiveResponseAsync(client, timeout);
        return client->connectStatus;
    case UA_SESSIONSTATE_CREATE_REQUESTED:
    case UA_SESSIONSTATE_ACTIVATE_REQUESTED:
        receiveResponseAsync(client, timeout);
        return client->connectStatus;
    case UA_SESSIONSTATE_CREATED:
        client->connectStatus = activateSessionAsync(client);
        return client->connectStatus;
    default:
        break;
    }

    return client->connectStatus;
}

/* The local ApplicationURI has to match the certificates of the
 * SecurityPolicies */
static void
verifyClientApplicationURI(const UA_Client *client) {
#if defined(UA_ENABLE_ENCRYPTION) && (UA_LOGLEVEL <= 400)
    for(size_t i = 0; i < client->config.securityPoliciesSize; i++) {
        UA_SecurityPolicy *sp = &client->config.securityPolicies[i];
        UA_StatusCode retval =
            client->config.certificateVerification.
            verifyApplicationURI(client->config.certificateVerification.context,
                                 &sp->localCertificate,
                                 &client->config.clientDescription.applicationUri);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "The configured ApplicationURI does not match the URI "
                           "specified in the certificate for the SecurityPolicy %.*s",
                           (int)sp->policyUri.length, sp->policyUri.data);
        }
    }
#endif
}

static UA_StatusCode
client_configure_securechannel(void *application, UA_SecureChannel *channel,
                               const UA_AsymmetricAlgorithmSecurityHeader *asymHeader) {
    // TODO: Verify if certificate is the same as configured in the client endpoint config
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
initConnect(UA_Client *client) {
    if(client->connection.state > UA_CONNECTIONSTATE_CLOSED) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Client already connected");
        return UA_STATUSCODE_GOOD;
    }

    if(client->config.initConnectionFunc == NULL) {
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "Client connection not configured");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Consistency check the client's own ApplicationURI */
    verifyClientApplicationURI(client);

    /* Reset the connect status */
    client->connectStatus = UA_STATUSCODE_GOOD;
    client->channel.renewState = UA_SECURECHANNELRENEWSTATE_NORMAL;
    client->endpointsHandshake = false;

    /* Initialize the SecureChannel */
    UA_SecureChannel_init(&client->channel, &client->config.localConnectionConfig);
    client->channel.certificateVerification = &client->config.certificateVerification;
    client->channel.processOPNHeader = client_configure_securechannel;

    if(client->connection.free)
        client->connection.free(&client->connection);

    /* Initialize the TCP connection */
    client->connection =
        client->config.initConnectionFunc(client->config.localConnectionConfig,
                                          client->endpointUrl, client->config.timeout,
                                          &client->config.logger);
    if(client->connection.state != UA_CONNECTIONSTATE_OPENING) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Could not open a TCP connection to %.*s",
                       (int)client->endpointUrl.length, client->endpointUrl.data);
        client->connectStatus = UA_STATUSCODE_BADCONNECTIONCLOSED;
        closeSecureChannel(client);
    }

    return client->connectStatus;
}

UA_StatusCode
UA_Client_connectAsync(UA_Client *client, const char *endpointUrl) {
    /* Set the endpoint URL the client connects to */
    UA_String_clear(&client->endpointUrl);
    UA_String_clear(&client->discoveryUrl);
    client->endpointUrl = UA_STRING_ALLOC(endpointUrl);

    /* Open a Session when possible */
    client->noSession = false;

    /* Connect Async */
    return initConnect(client);
}

UA_StatusCode
UA_Client_connectSecureChannelAsync(UA_Client *client, const char *endpointUrl) {
    /* Set the endpoint URL the client connects to */
    UA_String_clear(&client->endpointUrl);
    UA_String_clear(&client->discoveryUrl);
    client->endpointUrl = UA_STRING_ALLOC(endpointUrl);

    /* Don't open a Session */
    client->noSession = true;

    /* Connect Async */
    return initConnect(client);
}

static UA_StatusCode
connectSync(UA_Client *client) {
    UA_DateTime now = UA_DateTime_nowMonotonic();
    UA_DateTime maxDate = now + ((UA_DateTime)client->config.timeout * UA_DATETIME_MSEC);

    UA_StatusCode retval = initConnect(client);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    while(retval == UA_STATUSCODE_GOOD) {
        if(!client->endpointsHandshake && !client->findServersHandshake &&
           client->discoveryUrl.length > 0 &&
           (client->sessionState == UA_SESSIONSTATE_ACTIVATED ||
            (client->noSession && client->channel.state == UA_SECURECHANNELSTATE_OPEN)))
            break;
        now = UA_DateTime_nowMonotonic();
        if(maxDate < now)
            return UA_STATUSCODE_BADTIMEOUT;
        retval = UA_Client_run_iterate(client,
                                       (UA_UInt32)((maxDate - now) / UA_DATETIME_MSEC));
    }

    return retval;
}

UA_StatusCode
UA_Client_connect(UA_Client *client, const char *endpointUrl) {
    /* Set the endpoint URL the client connects to */
    UA_String_clear(&client->endpointUrl);
    UA_String_clear(&client->discoveryUrl);
    client->endpointUrl = UA_STRING_ALLOC(endpointUrl);

    /* Open a Session when possible */
    client->noSession = false;

    /* Connect Synchronous */
    return connectSync(client);
}

UA_StatusCode
UA_Client_connectSecureChannel(UA_Client *client, const char *endpointUrl) {
    /* Set the endpoint URL the client connects to */
    UA_String_clear(&client->endpointUrl);
    UA_String_clear(&client->discoveryUrl);
    client->endpointUrl = UA_STRING_ALLOC(endpointUrl);

    /* Don't open a Session */
    client->noSession = true;

    /* Connect Synchronous */
    return connectSync(client);
}

/************************/
/* Close the Connection */
/************************/

void
closeSecureChannel(UA_Client *client) {
    /* Send CLO if the SecureChannel is open */
    if(client->channel.state == UA_SECURECHANNELSTATE_OPEN) {
        UA_CloseSecureChannelRequest request;
        UA_CloseSecureChannelRequest_init(&request);
        request.requestHeader.requestHandle = ++client->requestHandle;
        request.requestHeader.timestamp = UA_DateTime_now();
        request.requestHeader.timeoutHint = 10000;
        request.requestHeader.authenticationToken = client->authenticationToken;
        UA_SecureChannel_sendSymmetricMessage(&client->channel, ++client->requestId,
                                              UA_MESSAGETYPE_CLO, &request,
                                              &UA_TYPES[UA_TYPES_CLOSESECURECHANNELREQUEST]);
    }

    /* Clean up */
    client->channel.renewState = UA_SECURECHANNELRENEWSTATE_NORMAL;
    UA_SecureChannel_close(&client->channel);
    if(client->connection.free)
        client->connection.free(&client->connection);

    /* Set the Session to "Created" if it was "Activated" */
    if(client->sessionState > UA_SESSIONSTATE_CREATED)
        client->sessionState = UA_SESSIONSTATE_CREATED;

    /* Delete outstanding async services - the RequestId is no longr valid. Do
     * this after setting the Session state. Otherwise we send out new Publish
     * Requests immediately. */
    UA_Client_AsyncService_removeAll(client, UA_STATUSCODE_BADSECURECHANNELCLOSED);
}

static void
sendCloseSession(UA_Client *client) {
    /* Set before sending the message to prevent recursion */
    client->sessionState = UA_SESSIONSTATE_CLOSING;

    UA_CloseSessionRequest request;
    UA_CloseSessionRequest_init(&request);
    request.requestHeader.timestamp = UA_DateTime_now();
    request.requestHeader.timeoutHint = 10000;
    request.deleteSubscriptions = true;
    UA_CloseSessionResponse response;
    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_CLOSESESSIONREQUEST],
                        &response, &UA_TYPES[UA_TYPES_CLOSESESSIONRESPONSE]);
    UA_CloseSessionRequest_clear(&request);
    UA_CloseSessionResponse_clear(&response);
}

static void
closeSession(UA_Client *client) {
    /* Is a session established? */
    if(client->sessionState == UA_SESSIONSTATE_ACTIVATED)
        sendCloseSession(client);

    UA_NodeId_clear(&client->authenticationToken);
    client->requestHandle = 0;
    client->sessionState = UA_SESSIONSTATE_CLOSED;

#ifdef UA_ENABLE_SUBSCRIPTIONS
    /* We need to clean up the subscriptions */
    UA_Client_Subscriptions_clean(client);
#endif

    /* Reset so the next async connect creates a session by default */
    client->noSession = false;

    /* Delete outstanding async services */
    UA_Client_AsyncService_removeAll(client, UA_STATUSCODE_BADSESSIONCLOSED);

#ifdef UA_ENABLE_SUBSCRIPTIONS
    client->currentlyOutStandingPublishRequests = 0;
#endif
}

static void
closeSessionCallback(UA_Client *client, void *userdata,
                     UA_UInt32 requestId, void *response) {
    closeSession(client);
    closeSecureChannel(client);
    notifyClientState(client);
}

UA_StatusCode UA_EXPORT
UA_Client_disconnectAsync(UA_Client *client) {
    /* Set before sending the message to prevent recursion */
    client->sessionState = UA_SESSIONSTATE_CLOSING;

    UA_CloseSessionRequest request;
    UA_CloseSessionRequest_init(&request);
    request.requestHeader.timestamp = UA_DateTime_now();
    request.requestHeader.timeoutHint = 10000;
    request.deleteSubscriptions = true;
    UA_StatusCode res =
        UA_Client_sendAsyncRequest(client, &request, &UA_TYPES[UA_TYPES_CLOSESESSIONREQUEST],
                                   (UA_ClientAsyncServiceCallback)closeSessionCallback,
                                   &UA_TYPES[UA_TYPES_CLOSESESSIONRESPONSE], NULL, NULL);
    notifyClientState(client);
    return res;
}

UA_StatusCode
UA_Client_disconnectSecureChannel(UA_Client *client) {
    closeSecureChannel(client);
    notifyClientState(client);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Client_disconnect(UA_Client *client) {
    closeSession(client);
    closeSecureChannel(client);
    notifyClientState(client);
    return UA_STATUSCODE_GOOD;
}


/**** amalgamated original file "/src/client/ua_client_discovery.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */


/* Helper method for additional warnings */
void
Client_warnEndpointsResult(UA_Client *client,
                           const UA_GetEndpointsResponse *response,
                           const UA_String *endpointUrl) {
    if(response->endpointsSize == 0) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "The server did not return any endpoints. "
                       "Did you use the correct endpointUrl?");
        return;
    }

    if(!UA_String_equal(endpointUrl, &response->endpoints[0].endpointUrl) ||
       (response->endpoints[0].server.discoveryUrlsSize > 0 &&
        !UA_String_equal(endpointUrl, &response->endpoints[0].server.discoveryUrls[0]))) {
        UA_String *betterUrl = &response->endpoints[0].endpointUrl;
        if(response->endpoints[0].server.discoveryUrlsSize > 0)
            betterUrl = &response->endpoints[0].server.discoveryUrls[0];
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "The server returned Endpoints with a different EndpointUrl %.*s than was "
                       "used to initialize the connection: %.*s. Some servers require a complete "
                       "match of the EndpointUrl/DiscoveryUrl (including the path) "
                       "to return all endpoints.",
                       (int)betterUrl->length, betterUrl->data,
                       (int)endpointUrl->length, endpointUrl->data);
    }
}

/* Gets a list of endpoints. Memory is allocated for endpointDescription array */
static UA_StatusCode
UA_Client_getEndpointsInternal(UA_Client *client, const UA_String endpointUrl,
                               size_t *endpointDescriptionsSize,
                               UA_EndpointDescription **endpointDescriptions) {
    UA_GetEndpointsRequest request;
    UA_GetEndpointsRequest_init(&request);
    request.requestHeader.timestamp = UA_DateTime_now();
    request.requestHeader.timeoutHint = 10000;
    // assume the endpointurl outlives the service call
    request.endpointUrl = endpointUrl;

    UA_GetEndpointsResponse response;
    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST],
                        &response, &UA_TYPES[UA_TYPES_GETENDPOINTSRESPONSE]);

    if(response.responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_StatusCode retval = response.responseHeader.serviceResult;
        UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "GetEndpointRequest failed with error code %s",
                     UA_StatusCode_name(retval));
        UA_GetEndpointsResponse_clear(&response);
        return retval;
    }

    *endpointDescriptions = response.endpoints;
    *endpointDescriptionsSize = response.endpointsSize;
    response.endpoints = NULL;
    response.endpointsSize = 0;
    UA_GetEndpointsResponse_clear(&response);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Client_getEndpoints(UA_Client *client, const char *serverUrl,
                       size_t* endpointDescriptionsSize,
                       UA_EndpointDescription** endpointDescriptions) {
    UA_Boolean connected = (client->channel.state == UA_SECURECHANNELSTATE_OPEN);
    /* Client is already connected to a different server */
    if(connected && strncmp((const char*)client->config.endpoint.endpointUrl.data, serverUrl,
                            client->config.endpoint.endpointUrl.length) != 0) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval;
    const UA_String url = UA_STRING((char*)(uintptr_t)serverUrl);
    if(!connected) {
        retval = UA_Client_connectSecureChannel(client, serverUrl);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }
    retval = UA_Client_getEndpointsInternal(client, url, endpointDescriptionsSize,
                                            endpointDescriptions);

    if(!connected)
        UA_Client_disconnect(client);
    return retval;
}

UA_StatusCode
UA_Client_findServers(UA_Client *client, const char *serverUrl,
                      size_t serverUrisSize, UA_String *serverUris,
                      size_t localeIdsSize, UA_String *localeIds,
                      size_t *registeredServersSize,
                      UA_ApplicationDescription **registeredServers) {
    UA_Boolean connected = (client->channel.state == UA_SECURECHANNELSTATE_OPEN);
    /* Client is already connected to a different server */
    if(connected && strncmp((const char*)client->config.endpoint.endpointUrl.data, serverUrl,
                            client->config.endpoint.endpointUrl.length) != 0) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval;
    if(!connected) {
        retval = UA_Client_connectSecureChannel(client, serverUrl);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    /* Prepare the request */
    UA_FindServersRequest request;
    UA_FindServersRequest_init(&request);
    request.serverUrisSize = serverUrisSize;
    request.serverUris = serverUris;
    request.localeIdsSize = localeIdsSize;
    request.localeIds = localeIds;

    /* Send the request */
    UA_FindServersResponse response;
    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_FINDSERVERSREQUEST],
                        &response, &UA_TYPES[UA_TYPES_FINDSERVERSRESPONSE]);

    /* Process the response */
    retval = response.responseHeader.serviceResult;
    if(retval == UA_STATUSCODE_GOOD) {
        *registeredServersSize = response.serversSize;
        *registeredServers = response.servers;
        response.serversSize = 0;
        response.servers = NULL;
    } else {
        *registeredServersSize = 0;
        *registeredServers = NULL;
    }

    /* Clean up */
    UA_FindServersResponse_clear(&response);
    if(!connected)
        UA_Client_disconnect(client);
    return retval;
}

#ifdef UA_ENABLE_DISCOVERY

UA_StatusCode
UA_Client_findServersOnNetwork(UA_Client *client, const char *serverUrl,
                               UA_UInt32 startingRecordId, UA_UInt32 maxRecordsToReturn,
                               size_t serverCapabilityFilterSize, UA_String *serverCapabilityFilter,
                               size_t *serverOnNetworkSize, UA_ServerOnNetwork **serverOnNetwork) {
    UA_Boolean connected = (client->channel.state == UA_SECURECHANNELSTATE_OPEN);
    /* Client is already connected to a different server */
    if(connected && strncmp((const char*)client->config.endpoint.endpointUrl.data, serverUrl,
                            client->config.endpoint.endpointUrl.length) != 0) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval;
    if(!connected) {
        retval = UA_Client_connectSecureChannel(client, serverUrl);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    /* Prepare the request */
    UA_FindServersOnNetworkRequest request;
    UA_FindServersOnNetworkRequest_init(&request);
    request.startingRecordId = startingRecordId;
    request.maxRecordsToReturn = maxRecordsToReturn;
    request.serverCapabilityFilterSize = serverCapabilityFilterSize;
    request.serverCapabilityFilter = serverCapabilityFilter;

    /* Send the request */
    UA_FindServersOnNetworkResponse response;
    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_FINDSERVERSONNETWORKREQUEST],
                        &response, &UA_TYPES[UA_TYPES_FINDSERVERSONNETWORKRESPONSE]);

    /* Process the response */
    retval = response.responseHeader.serviceResult;
    if(retval == UA_STATUSCODE_GOOD) {
        *serverOnNetworkSize = response.serversSize;
        *serverOnNetwork = response.servers;
        response.serversSize = 0;
        response.servers = NULL;
    } else {
        *serverOnNetworkSize = 0;
        *serverOnNetwork = NULL;
    }

    /* Clean up */
    UA_FindServersOnNetworkResponse_clear(&response);
    if(!connected)
        UA_Client_disconnect(client);
    return retval;
}

#endif

/**** amalgamated original file "/src/client/ua_client_highlevel.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2015-2021 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) Florian Palm
 *    Copyright 2016 (c) Chris Iatrou
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2018 (c) Fabian Arndt
 *    Copyright 2018 (c) Peter Rustler, basyskom GmbH
 */


/* The highlevel client API is an "outer onion layer". This file does not
 * include ua_client_internal.h on purpose. */

UA_StatusCode
UA_Client_NamespaceGetIndex(UA_Client *client, UA_String *namespaceUri,
                            UA_UInt16 *namespaceIndex) {
    UA_ReadRequest request;
    UA_ReadRequest_init(&request);
    UA_ReadValueId id;
    UA_ReadValueId_init(&id);
    id.attributeId = UA_ATTRIBUTEID_VALUE;
    id.nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_NAMESPACEARRAY);
    request.nodesToRead = &id;
    request.nodesToReadSize = 1;

    UA_ReadResponse response = UA_Client_Service_read(client, request);

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(response.responseHeader.serviceResult != UA_STATUSCODE_GOOD)
        retval = response.responseHeader.serviceResult;
    else if(response.resultsSize != 1 || !response.results[0].hasValue)
        retval = UA_STATUSCODE_BADNODEATTRIBUTESINVALID;
    else if(response.results[0].value.type != &UA_TYPES[UA_TYPES_STRING])
        retval = UA_STATUSCODE_BADTYPEMISMATCH;

    if(retval != UA_STATUSCODE_GOOD) {
        UA_ReadResponse_clear(&response);
        return retval;
    }

    retval = UA_STATUSCODE_BADNOTFOUND;
    UA_String *ns = (UA_String *)response.results[0].value.data;
    for(size_t i = 0; i < response.results[0].value.arrayLength; ++i) {
        if(UA_String_equal(namespaceUri, &ns[i])) {
            *namespaceIndex = (UA_UInt16)i;
            retval = UA_STATUSCODE_GOOD;
            break;
        }
    }

    UA_ReadResponse_clear(&response);
    return retval;
}

UA_StatusCode
UA_Client_forEachChildNodeCall(UA_Client *client, UA_NodeId parentNodeId,
                               UA_NodeIteratorCallback callback, void *handle) {
    UA_BrowseRequest bReq;
    UA_BrowseRequest_init(&bReq);
    bReq.requestedMaxReferencesPerNode = 0;
    bReq.nodesToBrowse = UA_BrowseDescription_new();
    bReq.nodesToBrowseSize = 1;
    UA_NodeId_copy(&parentNodeId, &bReq.nodesToBrowse[0].nodeId);
    bReq.nodesToBrowse[0].resultMask = UA_BROWSERESULTMASK_ALL; //return everything
    bReq.nodesToBrowse[0].browseDirection = UA_BROWSEDIRECTION_BOTH;

    UA_BrowseResponse bResp = UA_Client_Service_browse(client, bReq);

    UA_StatusCode retval = bResp.responseHeader.serviceResult;
    if(retval == UA_STATUSCODE_GOOD) {
        for(size_t i = 0; i < bResp.resultsSize; ++i) {
            for(size_t j = 0; j < bResp.results[i].referencesSize; ++j) {
                UA_ReferenceDescription *ref = &bResp.results[i].references[j];
                retval |= callback(ref->nodeId.nodeId, !ref->isForward,
                                   ref->referenceTypeId, handle);
            }
        }
    }

    UA_BrowseRequest_clear(&bReq);
    UA_BrowseResponse_clear(&bResp);
    return retval;
}

/*******************/
/* Node Management */
/*******************/

UA_StatusCode
UA_Client_addReference(UA_Client *client, const UA_NodeId sourceNodeId,
                       const UA_NodeId referenceTypeId, UA_Boolean isForward,
                       const UA_String targetServerUri,
                       const UA_ExpandedNodeId targetNodeId,
                       UA_NodeClass targetNodeClass) {
    UA_AddReferencesItem item;
    UA_AddReferencesItem_init(&item);
    item.sourceNodeId = sourceNodeId;
    item.referenceTypeId = referenceTypeId;
    item.isForward = isForward;
    item.targetServerUri = targetServerUri;
    item.targetNodeId = targetNodeId;
    item.targetNodeClass = targetNodeClass;
    UA_AddReferencesRequest request;
    UA_AddReferencesRequest_init(&request);
    request.referencesToAdd = &item;
    request.referencesToAddSize = 1;
    UA_AddReferencesResponse response = UA_Client_Service_addReferences(client, request);
    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_AddReferencesResponse_clear(&response);
        return retval;
    }
    if(response.resultsSize != 1) {
        UA_AddReferencesResponse_clear(&response);
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    retval = response.results[0];
    UA_AddReferencesResponse_clear(&response);
    return retval;
}

UA_StatusCode
UA_Client_deleteReference(UA_Client *client, const UA_NodeId sourceNodeId,
                          const UA_NodeId referenceTypeId, UA_Boolean isForward,
                          const UA_ExpandedNodeId targetNodeId,
                          UA_Boolean deleteBidirectional) {
    UA_DeleteReferencesItem item;
    UA_DeleteReferencesItem_init(&item);
    item.sourceNodeId = sourceNodeId;
    item.referenceTypeId = referenceTypeId;
    item.isForward = isForward;
    item.targetNodeId = targetNodeId;
    item.deleteBidirectional = deleteBidirectional;
    UA_DeleteReferencesRequest request;
    UA_DeleteReferencesRequest_init(&request);
    request.referencesToDelete = &item;
    request.referencesToDeleteSize = 1;
    UA_DeleteReferencesResponse response = UA_Client_Service_deleteReferences(client, request);
    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_DeleteReferencesResponse_clear(&response);
        return retval;
    }
    if(response.resultsSize != 1) {
        UA_DeleteReferencesResponse_clear(&response);
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    retval = response.results[0];
    UA_DeleteReferencesResponse_clear(&response);
    return retval;
}

UA_StatusCode
UA_Client_deleteNode(UA_Client *client, const UA_NodeId nodeId,
                     UA_Boolean deleteTargetReferences) {
    UA_DeleteNodesItem item;
    UA_DeleteNodesItem_init(&item);
    item.nodeId = nodeId;
    item.deleteTargetReferences = deleteTargetReferences;
    UA_DeleteNodesRequest request;
    UA_DeleteNodesRequest_init(&request);
    request.nodesToDelete = &item;
    request.nodesToDeleteSize = 1;
    UA_DeleteNodesResponse response = UA_Client_Service_deleteNodes(client, request);
    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_DeleteNodesResponse_clear(&response);
        return retval;
    }
    if(response.resultsSize != 1) {
        UA_DeleteNodesResponse_clear(&response);
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    retval = response.results[0];
    UA_DeleteNodesResponse_clear(&response);
    return retval;
}

UA_StatusCode
__UA_Client_addNode(UA_Client *client, const UA_NodeClass nodeClass,
                    const UA_NodeId requestedNewNodeId, const UA_NodeId parentNodeId,
                    const UA_NodeId referenceTypeId, const UA_QualifiedName browseName,
                    const UA_NodeId typeDefinition, const UA_NodeAttributes *attr,
                    const UA_DataType *attributeType, UA_NodeId *outNewNodeId) {
    UA_AddNodesRequest request;
    UA_AddNodesRequest_init(&request);
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    item.parentNodeId.nodeId = parentNodeId;
    item.referenceTypeId = referenceTypeId;
    item.requestedNewNodeId.nodeId = requestedNewNodeId;
    item.browseName = browseName;
    item.nodeClass = nodeClass;
    item.typeDefinition.nodeId = typeDefinition;
    item.nodeAttributes.encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
    item.nodeAttributes.content.decoded.type = attributeType;
    item.nodeAttributes.content.decoded.data = (void*)(uintptr_t)attr; // hack. is not written into.
    request.nodesToAdd = &item;
    request.nodesToAddSize = 1;
    UA_AddNodesResponse response = UA_Client_Service_addNodes(client, request);

    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_AddNodesResponse_clear(&response);
        return retval;
    }

    if(response.resultsSize != 1) {
        UA_AddNodesResponse_clear(&response);
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }

    /* Move the id of the created node */
    retval = response.results[0].statusCode;
    if(retval == UA_STATUSCODE_GOOD && outNewNodeId) {
        *outNewNodeId = response.results[0].addedNodeId;
        UA_NodeId_init(&response.results[0].addedNodeId);
    }

    UA_AddNodesResponse_clear(&response);
    return retval;
}

/********/
/* Call */
/********/

#ifdef UA_ENABLE_METHODCALLS

UA_StatusCode
UA_Client_call(UA_Client *client, const UA_NodeId objectId,
               const UA_NodeId methodId, size_t inputSize,
               const UA_Variant *input, size_t *outputSize,
               UA_Variant **output) {
    /* Set up the request */
    UA_CallRequest request;
    UA_CallRequest_init(&request);
    UA_CallMethodRequest item;
    UA_CallMethodRequest_init(&item);
    item.methodId = methodId;
    item.objectId = objectId;
    item.inputArguments = (UA_Variant *)(void*)(uintptr_t)input; // cast const...
    item.inputArgumentsSize = inputSize;
    request.methodsToCall = &item;
    request.methodsToCallSize = 1;

    /* Call the service */
    UA_CallResponse response = UA_Client_Service_call(client, request);
    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval == UA_STATUSCODE_GOOD) {
        if(response.resultsSize == 1)
            retval = response.results[0].statusCode;
        else
            retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    if(retval != UA_STATUSCODE_GOOD) {
        UA_CallResponse_clear(&response);
        return retval;
    }

    /* Move the output arguments */
    if(output != NULL && outputSize != NULL) {
        *output = response.results[0].outputArguments;
        *outputSize = response.results[0].outputArgumentsSize;
        response.results[0].outputArguments = NULL;
        response.results[0].outputArgumentsSize = 0;
    }
    UA_CallResponse_clear(&response);
    return retval;
}

#endif

/********************/
/* Write Attributes */
/********************/

UA_StatusCode
__UA_Client_writeAttribute(UA_Client *client, const UA_NodeId *nodeId,
                           UA_AttributeId attributeId, const void *in,
                           const UA_DataType *inDataType) {
    if(!in)
      return UA_STATUSCODE_BADTYPEMISMATCH;

    UA_WriteValue wValue;
    UA_WriteValue_init(&wValue);
    wValue.nodeId = *nodeId;
    wValue.attributeId = attributeId;
    if(attributeId == UA_ATTRIBUTEID_VALUE)
        wValue.value.value = *(const UA_Variant*)in;
    else
        /* hack. is never written into. */
        UA_Variant_setScalar(&wValue.value.value, (void*)(uintptr_t)in, inDataType);
    wValue.value.hasValue = true;
    UA_WriteRequest wReq;
    UA_WriteRequest_init(&wReq);
    wReq.nodesToWrite = &wValue;
    wReq.nodesToWriteSize = 1;

    UA_WriteResponse wResp = UA_Client_Service_write(client, wReq);

    UA_StatusCode retval = wResp.responseHeader.serviceResult;
    if(retval == UA_STATUSCODE_GOOD) {
        if(wResp.resultsSize == 1)
            retval = wResp.results[0];
        else
            retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
    }

    UA_WriteResponse_clear(&wResp);
    return retval;
}

UA_StatusCode
UA_Client_writeArrayDimensionsAttribute(UA_Client *client, const UA_NodeId nodeId,
                                        size_t newArrayDimensionsSize,
                                        const UA_UInt32 *newArrayDimensions) {
    if(!newArrayDimensions)
      return UA_STATUSCODE_BADTYPEMISMATCH;

    UA_WriteValue wValue;
    UA_WriteValue_init(&wValue);
    wValue.nodeId = nodeId;
    wValue.attributeId = UA_ATTRIBUTEID_ARRAYDIMENSIONS;
    UA_Variant_setArray(&wValue.value.value, (void*)(uintptr_t)newArrayDimensions,
                        newArrayDimensionsSize, &UA_TYPES[UA_TYPES_UINT32]);
    wValue.value.hasValue = true;
    UA_WriteRequest wReq;
    UA_WriteRequest_init(&wReq);
    wReq.nodesToWrite = &wValue;
    wReq.nodesToWriteSize = 1;

    UA_WriteResponse wResp = UA_Client_Service_write(client, wReq);

    UA_StatusCode retval = wResp.responseHeader.serviceResult;
    if(retval == UA_STATUSCODE_GOOD) {
        if(wResp.resultsSize == 1)
            retval = wResp.results[0];
        else
            retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    UA_WriteResponse_clear(&wResp);
    return retval;
}

/*******************/
/* Read Attributes */
/*******************/

UA_StatusCode
__UA_Client_readAttribute(UA_Client *client, const UA_NodeId *nodeId,
                          UA_AttributeId attributeId, void *out,
                          const UA_DataType *outDataType) {
    UA_ReadValueId item;
    UA_ReadValueId_init(&item);
    item.nodeId = *nodeId;
    item.attributeId = attributeId;
    UA_ReadRequest request;
    UA_ReadRequest_init(&request);
    request.nodesToRead = &item;
    request.nodesToReadSize = 1;
    UA_ReadResponse response = UA_Client_Service_read(client, request);
    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval == UA_STATUSCODE_GOOD) {
        if(response.resultsSize == 1)
            retval = response.results[0].status;
        else
            retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    if(!UA_StatusCode_isEqualTop(retval,UA_STATUSCODE_GOOD)) {
        UA_ReadResponse_clear(&response);
        return retval;
    }

    /* Set the StatusCode */
    UA_DataValue *res = response.results;
    if(res->hasStatus)
        retval = res->status;

    /* Return early of no value is given */
    if(!res->hasValue) {
        retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
        UA_ReadResponse_clear(&response);
        return retval;
    }

    /* Copy value into out */
    if(attributeId == UA_ATTRIBUTEID_VALUE) {
        memcpy(out, &res->value, sizeof(UA_Variant));
        UA_Variant_init(&res->value);
    } else if(attributeId == UA_ATTRIBUTEID_NODECLASS) {
        memcpy(out, (UA_NodeClass*)res->value.data, sizeof(UA_NodeClass));
    } else if(UA_Variant_isScalar(&res->value) &&
              res->value.type == outDataType) {
        memcpy(out, res->value.data, res->value.type->memSize);
        UA_free(res->value.data);
        res->value.data = NULL;
    } else {
        retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
    }

    UA_ReadResponse_clear(&response);
    return retval;
}

static UA_StatusCode
processReadArrayDimensionsResult(UA_ReadResponse *response,
                                 UA_UInt32 **outArrayDimensions,
                                 size_t *outArrayDimensionsSize) {
    UA_StatusCode retval = response->responseHeader.serviceResult;
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    if(response->resultsSize != 1)
        return UA_STATUSCODE_BADUNEXPECTEDERROR;

    retval = response->results[0].status;
    if(!UA_StatusCode_isEqualTop(retval,UA_STATUSCODE_GOOD))
        return retval;

    UA_DataValue *res = &response->results[0];
    if(!res->hasValue ||
       UA_Variant_isScalar(&res->value) ||
       res->value.type != &UA_TYPES[UA_TYPES_UINT32])
        return UA_STATUSCODE_BADUNEXPECTEDERROR;

    /* Move results */
    *outArrayDimensions = (UA_UInt32*)res->value.data;
    *outArrayDimensionsSize = res->value.arrayLength;
    res->value.data = NULL;
    res->value.arrayLength = 0;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Client_readArrayDimensionsAttribute(UA_Client *client, const UA_NodeId nodeId,
                                       size_t *outArrayDimensionsSize,
                                       UA_UInt32 **outArrayDimensions) {
    UA_ReadValueId item;
    UA_ReadValueId_init(&item);
    item.nodeId = nodeId;
    item.attributeId = UA_ATTRIBUTEID_ARRAYDIMENSIONS;
    UA_ReadRequest request;
    UA_ReadRequest_init(&request);
    request.nodesToRead = &item;
    request.nodesToReadSize = 1;

    UA_ReadResponse response = UA_Client_Service_read(client, request);
    UA_StatusCode retval = processReadArrayDimensionsResult(&response, outArrayDimensions,
                                                            outArrayDimensionsSize);
    UA_ReadResponse_clear(&response);
    return retval;
}

/*********************/
/* Historical Access */
/*********************/
#ifdef UA_ENABLE_HISTORIZING
static UA_HistoryReadResponse
__UA_Client_HistoryRead(UA_Client *client, const UA_NodeId *nodeId,
                        UA_ExtensionObject* details, UA_String indexRange,
                        UA_TimestampsToReturn timestampsToReturn,
                        UA_ByteString continuationPoint, UA_Boolean releaseConti) {

    UA_HistoryReadValueId item;
    UA_HistoryReadValueId_init(&item);

    item.nodeId = *nodeId;
    item.indexRange = indexRange;
    item.continuationPoint = continuationPoint;
    item.dataEncoding = UA_QUALIFIEDNAME(0, "Default Binary");

    UA_HistoryReadRequest request;
    UA_HistoryReadRequest_init(&request);

    request.nodesToRead = &item;
    request.nodesToReadSize = 1;
    request.timestampsToReturn = timestampsToReturn; // Defaults to Source
    request.releaseContinuationPoints = releaseConti; // No values are returned, if true

    /* Build ReadDetails */
    request.historyReadDetails = *details;

    return UA_Client_Service_historyRead(client, request);
}

static UA_StatusCode
__UA_Client_HistoryRead_service(UA_Client *client, const UA_NodeId *nodeId,
                                   const UA_HistoricalIteratorCallback callback,
                                   UA_ExtensionObject *details, UA_String indexRange,
                                   UA_TimestampsToReturn timestampsToReturn,
                                   void *callbackContext) {

    UA_ByteString continuationPoint = UA_BYTESTRING_NULL;
    UA_Boolean continuationAvail = false;
    UA_Boolean fetchMore = false;
    UA_StatusCode retval = UA_STATUSCODE_GOOD;

    do {
        /* We release the continuation point, if no more data is requested by the user */
        UA_Boolean cleanup = !fetchMore && continuationAvail;
        UA_HistoryReadResponse response =
            __UA_Client_HistoryRead(client, nodeId, details, indexRange, timestampsToReturn, continuationPoint, cleanup);

        if (cleanup) {
            retval = response.responseHeader.serviceResult;
cleanup:    UA_HistoryReadResponse_clear(&response);
            UA_ByteString_clear(&continuationPoint);
            return retval;
        }

        retval = response.responseHeader.serviceResult;
        if (retval == UA_STATUSCODE_GOOD) {
            if (response.resultsSize == 1)
                retval = response.results[0].statusCode;
            else
                retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
        }
        if (!UA_StatusCode_isEqualTop(retval,UA_STATUSCODE_GOOD))
            goto cleanup;

        UA_HistoryReadResult *res = response.results;

        /* Clear old and check / store new continuation point */
        UA_ByteString_clear(&continuationPoint);
        UA_ByteString_copy(&res->continuationPoint, &continuationPoint);
        continuationAvail = !UA_ByteString_equal(&continuationPoint, &UA_BYTESTRING_NULL);

        /* Client callback with possibility to request further values */
        fetchMore = callback(client, nodeId, continuationAvail, &res->historyData, callbackContext);

        /* Regular cleanup */
        UA_HistoryReadResponse_clear(&response);
    } while (continuationAvail);

    return retval;
}

#ifdef UA_ENABLE_EXPERIMENTAL_HISTORIZING
UA_StatusCode
UA_Client_HistoryRead_events(UA_Client *client, const UA_NodeId *nodeId,
                                const UA_HistoricalIteratorCallback callback,
                                UA_DateTime startTime, UA_DateTime endTime,
                                UA_String indexRange, const UA_EventFilter filter, UA_UInt32 numValuesPerNode,
                                UA_TimestampsToReturn timestampsToReturn, void *callbackContext) {

    UA_ReadEventDetails details;
    UA_ReadEventDetails_init(&details);
    details.filter = filter;

    // At least two of the following parameters must be set
    details.numValuesPerNode = numValuesPerNode; // 0 = return all / max server is capable of
    details.startTime = startTime;
    details.endTime = endTime;

    UA_ExtensionObject detailsExtensionObject;
    UA_ExtensionObject_init(&detailsExtensionObject);
    detailsExtensionObject.content.decoded.type = &UA_TYPES[UA_TYPES_READEVENTDETAILS];
    detailsExtensionObject.content.decoded.data = &details;
    detailsExtensionObject.encoding = UA_EXTENSIONOBJECT_DECODED;

    return __UA_Client_HistoryRead_service(client, nodeId, callback, &detailsExtensionObject,
                                              indexRange, timestampsToReturn, callbackContext);
}
#endif // UA_ENABLE_EXPERIMENTAL_HISTORIZING

static UA_StatusCode
__UA_Client_HistoryRead_service_rawMod(UA_Client *client, const UA_NodeId *nodeId,
                                          const UA_HistoricalIteratorCallback callback,
                                          UA_DateTime startTime,UA_DateTime endTime,
                                          UA_String indexRange, UA_Boolean returnBounds, UA_UInt32 numValuesPerNode,
                                          UA_Boolean readModified, UA_TimestampsToReturn timestampsToReturn,
                                          void *callbackContext) {

    UA_ReadRawModifiedDetails details;
    UA_ReadRawModifiedDetails_init(&details);
    details.isReadModified = readModified; // Return only modified values
    details.returnBounds = returnBounds;   // Return values pre / post given range

    // At least two of the following parameters must be set
    details.numValuesPerNode = numValuesPerNode;   // 0 = return all / max server is capable of
    details.startTime = startTime;
    details.endTime = endTime;

    UA_ExtensionObject detailsExtensionObject;
    UA_ExtensionObject_init(&detailsExtensionObject);
    detailsExtensionObject.content.decoded.type = &UA_TYPES[UA_TYPES_READRAWMODIFIEDDETAILS];
    detailsExtensionObject.content.decoded.data = &details;
    detailsExtensionObject.encoding = UA_EXTENSIONOBJECT_DECODED;

    return __UA_Client_HistoryRead_service(client, nodeId, callback,
                                              &detailsExtensionObject, indexRange,
                                              timestampsToReturn, callbackContext);
}

UA_StatusCode
UA_Client_HistoryRead_raw(UA_Client *client, const UA_NodeId *nodeId,
                             const UA_HistoricalIteratorCallback callback,
                             UA_DateTime startTime, UA_DateTime endTime,
                             UA_String indexRange, UA_Boolean returnBounds, UA_UInt32 numValuesPerNode,
                             UA_TimestampsToReturn timestampsToReturn, void *callbackContext) {

    return __UA_Client_HistoryRead_service_rawMod(client, nodeId, callback, startTime, endTime, indexRange, returnBounds,
                                                     numValuesPerNode, false, timestampsToReturn, callbackContext);
}

#ifdef UA_ENABLE_EXPERIMENTAL_HISTORIZING
UA_StatusCode
UA_Client_HistoryRead_modified(UA_Client *client, const UA_NodeId *nodeId,
                                  const UA_HistoricalIteratorCallback callback,
                                  UA_DateTime startTime, UA_DateTime endTime,
                                  UA_String indexRange, UA_Boolean returnBounds, UA_UInt32 maxItems,
                                  UA_TimestampsToReturn timestampsToReturn, void *callbackContext) {

    return __UA_Client_HistoryRead_service_rawMod(client, nodeId, callback, startTime, endTime, indexRange, returnBounds,
                                                     maxItems, true, timestampsToReturn, callbackContext);
}
#endif // UA_ENABLE_EXPERIMENTAL_HISTORIZING

static UA_HistoryUpdateResponse
__UA_Client_HistoryUpdate(UA_Client *client,
                          void *details,
                          size_t typeId)
{
    UA_HistoryUpdateRequest request;
    UA_HistoryUpdateRequest_init(&request);

    UA_ExtensionObject extension;
    UA_ExtensionObject_init(&extension);
    request.historyUpdateDetailsSize = 1;
    request.historyUpdateDetails = &extension;

    extension.encoding = UA_EXTENSIONOBJECT_DECODED;
    extension.content.decoded.type = &UA_TYPES[typeId];
    extension.content.decoded.data = details;

    UA_HistoryUpdateResponse response;
    response = UA_Client_Service_historyUpdate(client, request);
    return response;
}

static UA_StatusCode
__UA_Client_HistoryUpdate_updateData(UA_Client *client,
                          const UA_NodeId *nodeId,
                          UA_PerformUpdateType type,
                          UA_DataValue *value)
{
    UA_StatusCode ret = UA_STATUSCODE_GOOD;
    UA_UpdateDataDetails details;
    UA_UpdateDataDetails_init(&details);

    details.performInsertReplace = type;
    details.updateValuesSize = 1;
    details.updateValues = value;
    UA_NodeId_copy(nodeId, &details.nodeId);

    UA_HistoryUpdateResponse response;
    response = __UA_Client_HistoryUpdate(client, &details, UA_TYPES_UPDATEDATADETAILS);
    if (response.responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        ret = response.responseHeader.serviceResult;
        goto cleanup;
    }
    if (response.resultsSize != 1 || response.results[0].operationResultsSize != 1) {
        ret = UA_STATUSCODE_BADUNEXPECTEDERROR;
        goto cleanup;
    }
    if (response.results[0].statusCode != UA_STATUSCODE_GOOD) {
        ret = response.results[0].statusCode;
        goto cleanup;
    }
    ret = response.results[0].operationResults[0];
cleanup:
    UA_HistoryUpdateResponse_clear(&response);
    UA_NodeId_clear(&details.nodeId);
    return ret;
}

UA_StatusCode
UA_Client_HistoryUpdate_insert(UA_Client *client,
                               const UA_NodeId *nodeId,
                               UA_DataValue *value)
{
    return __UA_Client_HistoryUpdate_updateData(client,
                                                nodeId,
                                                UA_PERFORMUPDATETYPE_INSERT,
                                                value);
}

UA_StatusCode
UA_Client_HistoryUpdate_replace(UA_Client *client,
                                const UA_NodeId *nodeId,
                                UA_DataValue *value)
{
    return __UA_Client_HistoryUpdate_updateData(client,
                                                nodeId,
                                                UA_PERFORMUPDATETYPE_REPLACE,
                                                value);
}

UA_StatusCode
UA_Client_HistoryUpdate_update(UA_Client *client,
                               const UA_NodeId *nodeId,
                               UA_DataValue *value)
{
    return __UA_Client_HistoryUpdate_updateData(client,
                                                nodeId,
                                                UA_PERFORMUPDATETYPE_UPDATE,
                                                value);
}

UA_StatusCode
UA_Client_HistoryUpdate_deleteRaw(UA_Client *client,
                                  const UA_NodeId *nodeId,
                                  UA_DateTime startTimestamp,
                                  UA_DateTime endTimestamp)
{
    UA_StatusCode ret = UA_STATUSCODE_GOOD;

    UA_DeleteRawModifiedDetails details;
    UA_DeleteRawModifiedDetails_init(&details);

    details.isDeleteModified = false;
    details.startTime = startTimestamp;
    details.endTime = endTimestamp;
    UA_NodeId_copy(nodeId, &details.nodeId);

    UA_HistoryUpdateResponse response;
    response = __UA_Client_HistoryUpdate(client, &details, UA_TYPES_DELETERAWMODIFIEDDETAILS);
    if (response.responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        ret = response.responseHeader.serviceResult;
        goto cleanup;
    }
    if (response.resultsSize != 1) {
        ret = UA_STATUSCODE_BADUNEXPECTEDERROR;
        goto cleanup;
    }

    ret = response.results[0].statusCode;

cleanup:
    UA_HistoryUpdateResponse_clear(&response);
    UA_NodeId_clear(&details.nodeId);
    return ret;
}
#endif // UA_ENABLE_HISTORIZING

/*******************/
/* Async Functions */
/*******************/

/*Write Attributes*/
UA_StatusCode __UA_Client_writeAttribute_async(UA_Client *client,
        const UA_NodeId *nodeId, UA_AttributeId attributeId, const void *in,
        const UA_DataType *inDataType, UA_ClientAsyncServiceCallback callback,
        void *userdata, UA_UInt32 *reqId) {
    if (!in)
        return UA_STATUSCODE_BADTYPEMISMATCH;

    UA_WriteValue wValue;
    UA_WriteValue_init(&wValue);
    wValue.nodeId = *nodeId;
    wValue.attributeId = attributeId;
    if (attributeId == UA_ATTRIBUTEID_VALUE)
        wValue.value.value = *(const UA_Variant*) in;
    else
        /* hack. is never written into. */
        UA_Variant_setScalar(&wValue.value.value, (void*) (uintptr_t) in,
                inDataType);
    wValue.value.hasValue = true;
    UA_WriteRequest wReq;
    UA_WriteRequest_init(&wReq);
    wReq.nodesToWrite = &wValue;
    wReq.nodesToWriteSize = 1;

    return __UA_Client_AsyncService(client, &wReq,
            &UA_TYPES[UA_TYPES_WRITEREQUEST], callback,
            &UA_TYPES[UA_TYPES_WRITERESPONSE], userdata, reqId);
}

/*Node Management*/

UA_StatusCode UA_EXPORT
__UA_Client_addNode_async(UA_Client *client, const UA_NodeClass nodeClass,
        const UA_NodeId requestedNewNodeId, const UA_NodeId parentNodeId,
        const UA_NodeId referenceTypeId, const UA_QualifiedName browseName,
        const UA_NodeId typeDefinition, const UA_NodeAttributes *attr,
        const UA_DataType *attributeType, UA_NodeId *outNewNodeId,
        UA_ClientAsyncServiceCallback callback, void *userdata,
        UA_UInt32 *reqId) {
    UA_AddNodesRequest request;
    UA_AddNodesRequest_init(&request);
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    item.parentNodeId.nodeId = parentNodeId;
    item.referenceTypeId = referenceTypeId;
    item.requestedNewNodeId.nodeId = requestedNewNodeId;
    item.browseName = browseName;
    item.nodeClass = nodeClass;
    item.typeDefinition.nodeId = typeDefinition;
    item.nodeAttributes.encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
    item.nodeAttributes.content.decoded.type = attributeType;
    item.nodeAttributes.content.decoded.data = (void*) (uintptr_t) attr; // hack. is not written into.
    request.nodesToAdd = &item;
    request.nodesToAddSize = 1;

    return __UA_Client_AsyncService(client, &request,
            &UA_TYPES[UA_TYPES_ADDNODESREQUEST], callback,
            &UA_TYPES[UA_TYPES_ADDNODESRESPONSE], userdata, reqId);

}

/* Misc Highlevel Functions */
#ifdef UA_ENABLE_METHODCALLS
UA_StatusCode __UA_Client_call_async(UA_Client *client,
        const UA_NodeId objectId, const UA_NodeId methodId, size_t inputSize,
        const UA_Variant *input, UA_ClientAsyncServiceCallback callback,
        void *userdata, UA_UInt32 *reqId) {

    UA_CallRequest request;
    UA_CallRequest_init(&request);
    UA_CallMethodRequest item;
    UA_CallMethodRequest_init(&item);
    item.methodId = methodId;
    item.objectId = objectId;
    item.inputArguments = (UA_Variant *) (void*) (uintptr_t) input; // cast const...
    item.inputArgumentsSize = inputSize;
    request.methodsToCall = &item;
    request.methodsToCallSize = 1;

    return __UA_Client_AsyncService(client, &request,
            &UA_TYPES[UA_TYPES_CALLREQUEST], callback,
            &UA_TYPES[UA_TYPES_CALLRESPONSE], userdata, reqId);
}
#endif

/* UA_StatusCode */
/* UA_Cient_translateBrowsePathsToNodeIds_async(UA_Client *client, char **paths, */
/*                                              UA_UInt32 *ids, size_t pathSize, */
/*                                              UA_ClientAsyncTranslateCallback callback, */
/*                                              void *userdata, UA_UInt32 *reqId) { */
/*     return UA_STATUSCODE_BADNOTIMPLEMENTED; */
/* } */

/*************************/
/* Read Single Attribute */
/*************************/

typedef struct {
    UA_ClientAsyncOperationCallback userCallback;
    void *userContext;
    const UA_DataType *resultType; /* DataValue -> Value attribute,
                                    * Variant -> ArrayDimensions attribute */
} UA_AttributeReadContext;

static void
AttributeReadCallback(UA_Client *client, void *userdata,
                      UA_UInt32 requestId, UA_ReadResponse *rr) {
    UA_AttributeReadContext *ctx = (UA_AttributeReadContext*)userdata;
    UA_LOG_DEBUG(&UA_Client_getConfig(client)->logger, UA_LOGCATEGORY_CLIENT,
                "Async read response for request %" PRIu32, requestId);

    UA_DataValue *dv = NULL;

    /* Check the ServiceResult */
    UA_StatusCode res = rr->responseHeader.serviceResult;
    if(res != UA_STATUSCODE_GOOD)
        goto finish;

    /* Check result array size */
    if(rr->resultsSize != 1) {
        res = UA_STATUSCODE_BADINTERNALERROR;
        goto finish;
    }

    /* A Value attribute */
    dv = &rr->results[0];
    if(ctx->resultType == &UA_TYPES[UA_TYPES_DATAVALUE]) {
        ctx->userCallback(client, ctx->userContext, requestId,
                          UA_STATUSCODE_GOOD, dv);
        goto finish;
    }

    /* An ArrayDimensions attribute. Has to be an array of UInt32. */
    if(ctx->resultType == &UA_TYPES[UA_TYPES_VARIANT]) {
        if(dv->hasValue &&
           UA_Variant_hasArrayType(&dv->value, &UA_TYPES[UA_TYPES_UINT32])) {
            ctx->userCallback(client, ctx->userContext, requestId,
                              UA_STATUSCODE_GOOD, &dv->value);
        } else {
            res = UA_STATUSCODE_BADINTERNALERROR;
        }
        goto finish;
    }

    /* Check we have a scalar value of the right datatype */
    if(!dv->hasValue ||
       !UA_Variant_hasScalarType(&dv->value, ctx->resultType)) {
        res = UA_STATUSCODE_BADINTERNALERROR;
        goto finish;
    }

    /* Callback into userland */
    ctx->userCallback(client, ctx->userContext, requestId,
                      UA_STATUSCODE_GOOD, dv->value.data);

 finish:
    if(res != UA_STATUSCODE_GOOD)
        ctx->userCallback(client, ctx->userContext, requestId, res, NULL);
    UA_free(ctx);
}

static UA_StatusCode
readAttribute_async(UA_Client *client, const UA_ReadValueId *rvi,
                    UA_TimestampsToReturn timestampsToReturn,
                    const UA_DataType *resultType, /* For the specialized reads */
                    UA_ClientAsyncOperationCallback callback,
                    void *userdata, UA_UInt32 *requestId) {
    UA_AttributeReadContext *ctx = (UA_AttributeReadContext*)
        UA_malloc(sizeof(UA_AttributeReadContext));
    if(!ctx)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    ctx->userCallback = callback;
    ctx->userContext = userdata;
    ctx->resultType = resultType;

    UA_ReadRequest request;
    UA_ReadRequest_init(&request);
    request.nodesToRead = (UA_ReadValueId*)(uintptr_t)rvi; /* hack, treated as const */
    request.nodesToReadSize = 1;
    request.timestampsToReturn = timestampsToReturn;

    UA_StatusCode res =
        __UA_Client_AsyncService(client, &request, &UA_TYPES[UA_TYPES_READREQUEST],
                                 (UA_ClientAsyncServiceCallback)AttributeReadCallback,
                                 &UA_TYPES[UA_TYPES_READRESPONSE], ctx, requestId);
    if(res != UA_STATUSCODE_GOOD)
        UA_free(ctx);
    return res;
}

UA_StatusCode
UA_Client_readAttribute_async(UA_Client *client, const UA_ReadValueId *rvi,
                              UA_TimestampsToReturn timestampsToReturn,
                              UA_ClientAsyncReadAttributeCallback callback,
                              void *userdata, UA_UInt32 *requestId) {
    return readAttribute_async(client, rvi, timestampsToReturn,
                               &UA_TYPES[UA_TYPES_DATAVALUE], /* special handling */
                               (UA_ClientAsyncOperationCallback)callback,
                               userdata, requestId);
}

/* Helper to keep the code short */
static UA_StatusCode
readAttribute_simpleAsync(UA_Client *client, const UA_NodeId *nodeId,
                          UA_AttributeId attributeId, const UA_DataType *resultType,
                          UA_ClientAsyncOperationCallback callback,
                          void *userdata, UA_UInt32 *requestId) {
    UA_ReadValueId rvi;
    UA_ReadValueId_init(&rvi);
    rvi.nodeId = *nodeId;
    rvi.attributeId = attributeId;
    return readAttribute_async(client, &rvi, UA_TIMESTAMPSTORETURN_NEITHER,
                               resultType, callback, userdata, requestId);
}

UA_StatusCode
UA_Client_readValueAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                   UA_ClientAsyncReadValueAttributeCallback callback,
                                   void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_VALUE,
                                     &UA_TYPES[UA_TYPES_DATAVALUE], /* special hndling */
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readDataTypeAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                      UA_ClientAsyncReadDataTypeAttributeCallback callback,
                                      void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_DATATYPE,
                                     &UA_TYPES[UA_TYPES_NODEID],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readArrayDimensionsAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                             UA_ClientReadArrayDimensionsAttributeCallback callback,
                                             void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_ARRAYDIMENSIONS,
                                     &UA_TYPES[UA_TYPES_VARIANT], /* special handling */
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readNodeClassAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                       UA_ClientAsyncReadNodeClassAttributeCallback callback,
                                       void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_NODECLASS,
                                     &UA_TYPES[UA_TYPES_NODECLASS],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readBrowseNameAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                        UA_ClientAsyncReadBrowseNameAttributeCallback callback,
                                        void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_BROWSENAME,
                                     &UA_TYPES[UA_TYPES_QUALIFIEDNAME],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readDisplayNameAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                         UA_ClientAsyncReadDisplayNameAttributeCallback callback,
                                         void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_DISPLAYNAME,
                                     &UA_TYPES[UA_TYPES_LOCALIZEDTEXT],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readDescriptionAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                         UA_ClientAsyncReadDescriptionAttributeCallback callback,
                                         void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_DESCRIPTION,
                                     &UA_TYPES[UA_TYPES_LOCALIZEDTEXT],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readWriteMaskAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                       UA_ClientAsyncReadWriteMaskAttributeCallback callback,
                                       void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_WRITEMASK,
                                     &UA_TYPES[UA_TYPES_UINT32],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode UA_EXPORT
UA_Client_readUserWriteMaskAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                           UA_ClientAsyncReadUserWriteMaskAttributeCallback callback,
                                           void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_USERWRITEMASK,
                                     &UA_TYPES[UA_TYPES_UINT32],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode 
UA_Client_readIsAbstractAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                        UA_ClientAsyncReadIsAbstractAttributeCallback callback,
                                        void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_ISABSTRACT,
                                     &UA_TYPES[UA_TYPES_BOOLEAN],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readSymmetricAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                       UA_ClientAsyncReadSymmetricAttributeCallback callback,
                                       void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_SYMMETRIC,
                                     &UA_TYPES[UA_TYPES_BOOLEAN],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readInverseNameAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                         UA_ClientAsyncReadInverseNameAttributeCallback callback,
                                         void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_INVERSENAME,
                                     &UA_TYPES[UA_TYPES_LOCALIZEDTEXT],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readContainsNoLoopsAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                             UA_ClientAsyncReadContainsNoLoopsAttributeCallback callback,
                                             void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_CONTAINSNOLOOPS,
                                     &UA_TYPES[UA_TYPES_BOOLEAN],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readEventNotifierAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                           UA_ClientAsyncReadEventNotifierAttributeCallback callback,
                                           void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_EVENTNOTIFIER,
                                     &UA_TYPES[UA_TYPES_BYTE],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readValueRankAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                       UA_ClientAsyncReadValueRankAttributeCallback callback,
                                       void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_VALUERANK,
                                     &UA_TYPES[UA_TYPES_INT32],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readAccessLevelAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                         UA_ClientAsyncReadAccessLevelAttributeCallback callback,
                                         void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_ACCESSLEVEL,
                                     &UA_TYPES[UA_TYPES_BYTE],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readUserAccessLevelAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                             UA_ClientAsyncReadUserAccessLevelAttributeCallback callback,
                                             void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_USERACCESSLEVEL,
                                     &UA_TYPES[UA_TYPES_BYTE],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readMinimumSamplingIntervalAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                                     UA_ClientAsyncReadMinimumSamplingIntervalAttributeCallback callback,
                                                     void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL,
                                     &UA_TYPES[UA_TYPES_DOUBLE],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readHistorizingAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                         UA_ClientAsyncReadHistorizingAttributeCallback callback,
                                         void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_HISTORIZING,
                                     &UA_TYPES[UA_TYPES_BOOLEAN],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readExecutableAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                        UA_ClientAsyncReadExecutableAttributeCallback callback,
                                        void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_EXECUTABLE,
                                     &UA_TYPES[UA_TYPES_BOOLEAN],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

UA_StatusCode
UA_Client_readUserExecutableAttribute_async(UA_Client *client, const UA_NodeId nodeId,
                                            UA_ClientAsyncReadUserExecutableAttributeCallback callback,
                                            void *userdata, UA_UInt32 *requestId) {
    return readAttribute_simpleAsync(client, &nodeId, UA_ATTRIBUTEID_USEREXECUTABLE,
                                     &UA_TYPES[UA_TYPES_BOOLEAN],
                                     (UA_ClientAsyncOperationCallback)callback,
                                     userdata, requestId);
}

/**** amalgamated original file "/src/client/ua_client_subscriptions.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2015-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015 (c) Oleksiy Vasylyev
 *    Copyright 2016 (c) Sten Grüner
 *    Copyright 2017-2018 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2016-2017 (c) Florian Palm
 *    Copyright 2017 (c) Frank Meerkötter
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */



#ifdef UA_ENABLE_SUBSCRIPTIONS /* conditional compilation */

/*****************/
/* Subscriptions */
/*****************/

static void
MonitoredItem_delete(UA_Client *client, UA_Client_Subscription *sub,
                     UA_Client_MonitoredItem *mon);

static void
ua_Subscriptions_create(UA_Client *client, UA_Client_Subscription *newSub,
                        UA_CreateSubscriptionResponse *response) {
    newSub->subscriptionId = response->subscriptionId;
    newSub->sequenceNumber = 0;
    newSub->lastActivity = UA_DateTime_nowMonotonic();
    newSub->publishingInterval = response->revisedPublishingInterval;
    newSub->maxKeepAliveCount = response->revisedMaxKeepAliveCount;
    LIST_INIT(&newSub->monitoredItems);
    LIST_INSERT_HEAD(&client->subscriptions, newSub, listEntry);
}

static void
ua_Subscriptions_create_handler(UA_Client *client, void *data, UA_UInt32 requestId,
                                void *r) {
    UA_CreateSubscriptionResponse *response = (UA_CreateSubscriptionResponse *)r;
    CustomCallback *cc = (CustomCallback *)data;
    UA_Client_Subscription *newSub = (UA_Client_Subscription *)cc->clientData;
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_free(newSub);
        goto cleanup;
    }

    /* Prepare the internal representation */
    ua_Subscriptions_create(client, newSub, response);

cleanup:
    if(cc->userCallback)
        cc->userCallback(client, cc->userData, requestId, response);
    UA_free(cc);
}

UA_CreateSubscriptionResponse
UA_Client_Subscriptions_create(UA_Client *client,
                               const UA_CreateSubscriptionRequest request,
                               void *subscriptionContext,
                               UA_Client_StatusChangeNotificationCallback statusChangeCallback,
                               UA_Client_DeleteSubscriptionCallback deleteCallback) {
    UA_CreateSubscriptionResponse response;
    UA_Client_Subscription *sub = (UA_Client_Subscription *)
        UA_malloc(sizeof(UA_Client_Subscription));
    if(!sub) {
        UA_CreateSubscriptionResponse_init(&response);
        response.responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
        return response;
    }
    sub->context = subscriptionContext;
    sub->statusChangeCallback = statusChangeCallback;
    sub->deleteCallback = deleteCallback;

    /* Send the request as a synchronous service call */
    __UA_Client_Service(client,
                        &request, &UA_TYPES[UA_TYPES_CREATESUBSCRIPTIONREQUEST],
                        &response, &UA_TYPES[UA_TYPES_CREATESUBSCRIPTIONRESPONSE]);
    if (response.responseHeader.serviceResult != UA_STATUSCODE_GOOD)
    {
        UA_free (sub);
        return response;
    }
    
    ua_Subscriptions_create(client, sub, &response);
    return response;
}

UA_StatusCode
UA_Client_Subscriptions_create_async(UA_Client *client,
                                     const UA_CreateSubscriptionRequest request,
                                     void *subscriptionContext,
                                     UA_Client_StatusChangeNotificationCallback statusChangeCallback,
                                     UA_Client_DeleteSubscriptionCallback deleteCallback,
                                     UA_ClientAsyncServiceCallback createCallback,
                                     void *userdata,
                                     UA_UInt32 *requestId) {
    CustomCallback *cc = (CustomCallback *)UA_calloc(1, sizeof(CustomCallback));
    if(!cc)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    UA_Client_Subscription *sub = (UA_Client_Subscription *)
        UA_malloc(sizeof(UA_Client_Subscription));
    if(!sub) {
        UA_free(cc);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    sub->context = subscriptionContext;
    sub->statusChangeCallback = statusChangeCallback;
    sub->deleteCallback = deleteCallback;

    cc->userCallback = createCallback;
    cc->userData = userdata;
    cc->clientData = sub;

    /* Send the request as asynchronous service call */
    return __UA_Client_AsyncService(
        client, &request, &UA_TYPES[UA_TYPES_CREATESUBSCRIPTIONREQUEST],
        ua_Subscriptions_create_handler, &UA_TYPES[UA_TYPES_CREATESUBSCRIPTIONRESPONSE],
        cc, requestId);
}

static UA_Client_Subscription *
findSubscription(const UA_Client *client, UA_UInt32 subscriptionId) {
    UA_Client_Subscription *sub = NULL;
    LIST_FOREACH(sub, &client->subscriptions, listEntry) {
        if(sub->subscriptionId == subscriptionId)
            break;
    }
    return sub;
}

static void
ua_Subscriptions_modify(UA_Client *client, UA_Client_Subscription *sub,
                        const UA_ModifySubscriptionResponse *response) {
    sub->publishingInterval = response->revisedPublishingInterval;
    sub->maxKeepAliveCount = response->revisedMaxKeepAliveCount;
}

static void
ua_Subscriptions_modify_handler(UA_Client *client, void *data, UA_UInt32 requestId,
                                void *r) {
    UA_ModifySubscriptionResponse *response = (UA_ModifySubscriptionResponse *)r;
    CustomCallback *cc = (CustomCallback *)data;
    UA_Client_Subscription *sub =
        findSubscription(client, (UA_UInt32)(uintptr_t)cc->clientData);
    if(sub) {
        ua_Subscriptions_modify(client, sub, response);
    } else {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "No internal representation of subscription %" PRIu32,
                    (UA_UInt32)(uintptr_t)cc->clientData);
    }

    if(cc->userCallback)
        cc->userCallback(client, cc->userData, requestId, response);
    UA_free(cc);
}

UA_ModifySubscriptionResponse
UA_Client_Subscriptions_modify(UA_Client *client,
                               const UA_ModifySubscriptionRequest request) {
    UA_ModifySubscriptionResponse response;
    UA_ModifySubscriptionResponse_init(&response);

    /* Find the internal representation */
    UA_Client_Subscription *sub = findSubscription(client, request.subscriptionId);
    if(!sub) {
        response.responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return response;
    }
    
    /* Call the service */
    __UA_Client_Service(client,
                        &request, &UA_TYPES[UA_TYPES_MODIFYSUBSCRIPTIONREQUEST],
                        &response, &UA_TYPES[UA_TYPES_MODIFYSUBSCRIPTIONRESPONSE]);

    /* Adjust the internal representation */
    ua_Subscriptions_modify(client, sub, &response);
    return response;
}

UA_StatusCode
UA_Client_Subscriptions_modify_async(UA_Client *client,
                                     const UA_ModifySubscriptionRequest request,
                                     UA_ClientAsyncServiceCallback callback,
                                     void *userdata, UA_UInt32 *requestId) {
    /* Find the internal representation */
    UA_Client_Subscription *sub = findSubscription(client, request.subscriptionId);
    if(!sub)
        return UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;

    CustomCallback *cc = (CustomCallback *)UA_calloc(1, sizeof(CustomCallback));
    if(!cc)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    cc->clientData = (void *)(uintptr_t)request.subscriptionId;
    cc->userData = userdata;
    cc->userCallback = callback;

    return __UA_Client_AsyncService(
        client, &request, &UA_TYPES[UA_TYPES_MODIFYSUBSCRIPTIONREQUEST],
        ua_Subscriptions_modify_handler, &UA_TYPES[UA_TYPES_MODIFYSUBSCRIPTIONRESPONSE],
        cc, requestId);
}

static void
UA_Client_Subscription_deleteInternal(UA_Client *client,
                                      UA_Client_Subscription *sub) {
    /* Remove the MonitoredItems */
    UA_Client_MonitoredItem *mon;
    UA_Client_MonitoredItem *mon_tmp;
    LIST_FOREACH_SAFE(mon, &sub->monitoredItems, listEntry, mon_tmp)
        MonitoredItem_delete(client, sub, mon);

    /* Call the delete callback */
    if(sub->deleteCallback)
        sub->deleteCallback(client, sub->subscriptionId, sub->context);

    /* Remove */
    LIST_REMOVE(sub, listEntry);
    UA_free(sub);
}

static void
UA_Client_Subscription_processDelete(UA_Client *client,
                                     const UA_DeleteSubscriptionsRequest *request,
                                     const UA_DeleteSubscriptionsResponse *response)  {
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD)
        return;

    /* Check that the request and response size -- use the same index for both */
    if(request->subscriptionIdsSize != response->resultsSize)
        return;

    for(size_t i = 0; i < request->subscriptionIdsSize; i++) {
        if(response->results[i] != UA_STATUSCODE_GOOD &&
           response->results[i] != UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID)
            continue;

        /* Get the Subscription */
        UA_Client_Subscription *sub =
            findSubscription(client, request->subscriptionIds[i]);
        if(!sub) {
            UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                        "No internal representation of subscription %" PRIu32,
                        request->subscriptionIds[i]);
            continue;
        }

        /* Delete the Subscription */
        UA_Client_Subscription_deleteInternal(client, sub);
    }

}

typedef struct {
    UA_DeleteSubscriptionsRequest request;
    UA_ClientAsyncServiceCallback userCallback;
    void *userData;
} DeleteSubscriptionCallback;

static void
ua_Subscriptions_delete_handler(UA_Client *client, void *data, UA_UInt32 requestId,
                                void *r) {
    UA_DeleteSubscriptionsResponse *response =
        (UA_DeleteSubscriptionsResponse *)r;
    DeleteSubscriptionCallback *dsc =
        (DeleteSubscriptionCallback*)data;

    /* Delete */
    UA_Client_Subscription_processDelete(client, &dsc->request, response);

    /* Userland Callback */
    dsc->userCallback(client, dsc->userData, requestId, response);

    /* Cleanup */
    UA_DeleteSubscriptionsRequest_clear(&dsc->request);
    UA_free(dsc);
}

UA_StatusCode
UA_Client_Subscriptions_delete_async(UA_Client *client,
                                     const UA_DeleteSubscriptionsRequest request,
                                     UA_ClientAsyncServiceCallback callback,
                                     void *userdata, UA_UInt32 *requestId) {
    /* Make a copy of the request that persists into the async callback */
    DeleteSubscriptionCallback *dsc =
        (DeleteSubscriptionCallback*)UA_malloc(sizeof(DeleteSubscriptionCallback));
    if(!dsc)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    dsc->userCallback = callback;
    dsc->userData = userdata;
    UA_StatusCode res = UA_DeleteSubscriptionsRequest_copy(&request, &dsc->request);
    if(res != UA_STATUSCODE_GOOD) {
        UA_free(dsc);
        return res;
    }

    /* Make the async call */
    return __UA_Client_AsyncService(
        client, &request, &UA_TYPES[UA_TYPES_DELETESUBSCRIPTIONSREQUEST],
        ua_Subscriptions_delete_handler, &UA_TYPES[UA_TYPES_DELETESUBSCRIPTIONSRESPONSE],
        dsc, requestId);
}

UA_DeleteSubscriptionsResponse
UA_Client_Subscriptions_delete(UA_Client *client,
                               const UA_DeleteSubscriptionsRequest request) {
    /* Send the request */
    UA_DeleteSubscriptionsResponse response;
    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_DELETESUBSCRIPTIONSREQUEST],
                        &response, &UA_TYPES[UA_TYPES_DELETESUBSCRIPTIONSRESPONSE]);

    /* Process */
    UA_Client_Subscription_processDelete(client, &request, &response);
    return response;
}

UA_StatusCode
UA_Client_Subscriptions_deleteSingle(UA_Client *client, UA_UInt32 subscriptionId) {
    UA_DeleteSubscriptionsRequest request;
    UA_DeleteSubscriptionsRequest_init(&request);
    request.subscriptionIds = &subscriptionId;
    request.subscriptionIdsSize = 1;
    
    UA_DeleteSubscriptionsResponse response =
        UA_Client_Subscriptions_delete(client, request);

    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_DeleteSubscriptionsResponse_clear(&response);
        return retval;
    }

    if(response.resultsSize != 1) {
        UA_DeleteSubscriptionsResponse_clear(&response);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    retval = response.results[0];
    UA_DeleteSubscriptionsResponse_clear(&response);
    return retval;
}

/******************/
/* MonitoredItems */
/******************/

static void
MonitoredItem_delete(UA_Client *client, UA_Client_Subscription *sub,
                     UA_Client_MonitoredItem *mon) {
    LIST_REMOVE(mon, listEntry);
    if(mon->deleteCallback)
        mon->deleteCallback(client, sub->subscriptionId, sub->context,
                            mon->monitoredItemId, mon->context);
    UA_free(mon);
}

typedef struct {
    void **contexts;
    UA_Client_DeleteMonitoredItemCallback *deleteCallbacks;
    void **handlingCallbacks;
    UA_CreateMonitoredItemsRequest request;

    /* Notify the user that the async callback was processed */
    UA_ClientAsyncServiceCallback userCallback;
    void *userData;
} MonitoredItems_CreateData;

static void
MonitoredItems_CreateData_clear(UA_Client *client, MonitoredItems_CreateData *data) {
    UA_free(data->contexts);
    UA_free(data->deleteCallbacks);
    UA_free(data->handlingCallbacks);
    UA_CreateMonitoredItemsRequest_clear(&data->request);
}

static void
ua_MonitoredItems_create(UA_Client *client, MonitoredItems_CreateData *data,
                         UA_CreateMonitoredItemsResponse *response) {
    UA_CreateMonitoredItemsRequest *request = &data->request;
    UA_Client_DeleteMonitoredItemCallback *deleteCallbacks = data->deleteCallbacks;

    UA_Client_Subscription *sub = findSubscription(client, data->request.subscriptionId);
    if(!sub)
        goto cleanup;

    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD)
        goto cleanup;

    if(response->resultsSize != request->itemsToCreateSize) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    /* Add internally */
    for(size_t i = 0; i < request->itemsToCreateSize; i++) {
        if(response->results[i].statusCode != UA_STATUSCODE_GOOD) {
            if(deleteCallbacks[i])
                deleteCallbacks[i](client, sub->subscriptionId, sub->context,
                                   0, data->contexts[i]);
            continue;
        }

        UA_Client_MonitoredItem *newMon = (UA_Client_MonitoredItem *)
            UA_malloc(sizeof(UA_Client_MonitoredItem));
        if(!newMon) {
            if(deleteCallbacks[i])
                deleteCallbacks[i](client, sub->subscriptionId, sub->context, 0,
                                   data->contexts[i]);
            continue;
        }

        newMon->monitoredItemId = response->results[i].monitoredItemId;
        newMon->clientHandle = request->itemsToCreate[i].requestedParameters.clientHandle;
        newMon->context = data->contexts[i];
        newMon->deleteCallback = deleteCallbacks[i];
        newMon->handler.dataChangeCallback =
            (UA_Client_DataChangeNotificationCallback)(uintptr_t)
                data->handlingCallbacks[i];
        newMon->isEventMonitoredItem =
            (request->itemsToCreate[i].itemToMonitor.attributeId ==
             UA_ATTRIBUTEID_EVENTNOTIFIER);
        LIST_INSERT_HEAD(&sub->monitoredItems, newMon, listEntry);

        UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                     "Subscription %" PRIu32
                     " | Added a MonitoredItem with handle %" PRIu32,
                     sub->subscriptionId, newMon->clientHandle);
    }
    return;

    /* Adding failed */
 cleanup:
    for(size_t i = 0; i < request->itemsToCreateSize; i++) {
        if(deleteCallbacks[i])
            deleteCallbacks[i](client, data->request.subscriptionId,
                               sub ? sub->context : NULL, 0, data->contexts[i]);
    }
}

static void
ua_MonitoredItems_create_async_handler(UA_Client *client, void *d, UA_UInt32 requestId,
                                       void *r) {
    UA_CreateMonitoredItemsResponse *response = (UA_CreateMonitoredItemsResponse *)r;
    MonitoredItems_CreateData *data = (MonitoredItems_CreateData *)d;

    ua_MonitoredItems_create(client, data, response);

    if(data->userCallback)
        data->userCallback(client, data->userData, requestId, response);

    MonitoredItems_CreateData_clear(client, data);
    UA_free(data);
}

static UA_StatusCode
MonitoredItems_CreateData_prepare(UA_Client *client,
                                  const UA_CreateMonitoredItemsRequest *request,
                                  void **contexts, void **handlingCallbacks,
                                  UA_Client_DeleteMonitoredItemCallback *deleteCallbacks,
                                  MonitoredItems_CreateData *data) {
    /* Align arrays and copy over */
    UA_StatusCode retval = UA_STATUSCODE_BADOUTOFMEMORY;
    data->contexts = (void **)UA_calloc(request->itemsToCreateSize, sizeof(void *));
    if(!data->contexts)
        goto cleanup;
    if(contexts)
        memcpy(data->contexts, contexts, request->itemsToCreateSize * sizeof(void *));

    data->deleteCallbacks = (UA_Client_DeleteMonitoredItemCallback *)
        UA_calloc(request->itemsToCreateSize, sizeof(UA_Client_DeleteMonitoredItemCallback));
    if(!data->deleteCallbacks)
        goto cleanup;
    if(deleteCallbacks)
        memcpy(data->deleteCallbacks, deleteCallbacks,
               request->itemsToCreateSize * sizeof(UA_Client_DeleteMonitoredItemCallback));

    data->handlingCallbacks = (void **)
        UA_calloc(request->itemsToCreateSize, sizeof(void *));
    if(!data->handlingCallbacks)
        goto cleanup;
    if(handlingCallbacks)
        memcpy(data->handlingCallbacks, handlingCallbacks,
               request->itemsToCreateSize * sizeof(void *));

    retval = UA_CreateMonitoredItemsRequest_copy(request, &data->request);
    if(retval != UA_STATUSCODE_GOOD)
        goto cleanup;

    /* Set the clientHandle */
    for(size_t i = 0; i < data->request.itemsToCreateSize; i++)
        data->request.itemsToCreate[i].requestedParameters.clientHandle =
            ++client->monitoredItemHandles;

    return UA_STATUSCODE_GOOD;

cleanup:
    MonitoredItems_CreateData_clear(client, data);
    return retval;
}

static void
ua_Client_MonitoredItems_create(UA_Client *client,
                                const UA_CreateMonitoredItemsRequest *request,
                                void **contexts, void **handlingCallbacks,
                                UA_Client_DeleteMonitoredItemCallback *deleteCallbacks,
                                UA_CreateMonitoredItemsResponse *response) {
    UA_CreateMonitoredItemsResponse_init(response);

    if(!request->itemsToCreateSize) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
        return;
    }

    /* Test if the subscription is valid */
    UA_Client_Subscription *sub = findSubscription(client, request->subscriptionId);
    if(!sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return;
    }

    MonitoredItems_CreateData data;
    memset(&data, 0, sizeof(MonitoredItems_CreateData));

    UA_StatusCode res =
        MonitoredItems_CreateData_prepare(client, request, contexts, handlingCallbacks,
                                          deleteCallbacks, &data);
    if(res != UA_STATUSCODE_GOOD) {
        response->responseHeader.serviceResult = res;
        return;
    }

    /* Call the service. Use data->request as it contains the client handle
     * information. */
    __UA_Client_Service(client, &data.request,
                        &UA_TYPES[UA_TYPES_CREATEMONITOREDITEMSREQUEST],
                        response, &UA_TYPES[UA_TYPES_CREATEMONITOREDITEMSRESPONSE]);

    /* Add internal representation */
    ua_MonitoredItems_create(client, &data, response);

    MonitoredItems_CreateData_clear(client, &data);
}

static UA_StatusCode
ua_Client_MonitoredItems_createDataChanges_async(
    UA_Client *client, const UA_CreateMonitoredItemsRequest request, void **contexts,
    void **callbacks, UA_Client_DeleteMonitoredItemCallback *deleteCallbacks,
    UA_ClientAsyncServiceCallback createCallback, void *userdata, UA_UInt32 *requestId) {
    UA_Client_Subscription *sub = findSubscription(client, request.subscriptionId);
    if(!sub)
        return UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;

    MonitoredItems_CreateData *data = (MonitoredItems_CreateData *)
        UA_calloc(1, sizeof(MonitoredItems_CreateData));
    if(!data)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    data->userCallback = createCallback;
    data->userData = userdata;

    UA_StatusCode res = MonitoredItems_CreateData_prepare(
        client, &request, contexts, callbacks, deleteCallbacks, data);
    if(res != UA_STATUSCODE_GOOD) {
        UA_free(data);
        return res;
    }

    return __UA_Client_AsyncService(
        client, &data->request, &UA_TYPES[UA_TYPES_CREATEMONITOREDITEMSREQUEST],
        ua_MonitoredItems_create_async_handler,
        &UA_TYPES[UA_TYPES_CREATEMONITOREDITEMSRESPONSE], data, requestId);
}

UA_CreateMonitoredItemsResponse
UA_Client_MonitoredItems_createDataChanges(UA_Client *client,
                                           const UA_CreateMonitoredItemsRequest request,
                                           void **contexts,
                                           UA_Client_DataChangeNotificationCallback *callbacks,
                                           UA_Client_DeleteMonitoredItemCallback *deleteCallbacks) {
    UA_CreateMonitoredItemsResponse response;
    ua_Client_MonitoredItems_create(client, &request, contexts, (void **)callbacks,
                                    deleteCallbacks, &response);
    return response;
}

UA_StatusCode
UA_Client_MonitoredItems_createDataChanges_async(UA_Client *client,
                                                 const UA_CreateMonitoredItemsRequest request,
                                                 void **contexts,
                                                 UA_Client_DataChangeNotificationCallback *callbacks,
                                                 UA_Client_DeleteMonitoredItemCallback *deleteCallbacks,
                                                 UA_ClientAsyncServiceCallback createCallback,
                                                 void *userdata, UA_UInt32 *requestId) {
    return ua_Client_MonitoredItems_createDataChanges_async(
        client, request, contexts, (void **)callbacks, deleteCallbacks, createCallback,
        userdata, requestId);
}

UA_MonitoredItemCreateResult
UA_Client_MonitoredItems_createDataChange(UA_Client *client, UA_UInt32 subscriptionId,
                                          UA_TimestampsToReturn timestampsToReturn,
                                          const UA_MonitoredItemCreateRequest item,
                                          void *context,
                                          UA_Client_DataChangeNotificationCallback callback,
                                          UA_Client_DeleteMonitoredItemCallback deleteCallback) {
    UA_CreateMonitoredItemsRequest request;
    UA_CreateMonitoredItemsRequest_init(&request);
    request.subscriptionId = subscriptionId;
    request.timestampsToReturn = timestampsToReturn;
    request.itemsToCreate = (UA_MonitoredItemCreateRequest*)(uintptr_t)&item;
    request.itemsToCreateSize = 1;
    UA_CreateMonitoredItemsResponse response = 
       UA_Client_MonitoredItems_createDataChanges(client, request, &context,
                                                   &callback, &deleteCallback);
    UA_MonitoredItemCreateResult result;
    UA_MonitoredItemCreateResult_init(&result);
    if(response.responseHeader.serviceResult != UA_STATUSCODE_GOOD)
        result.statusCode = response.responseHeader.serviceResult;

    if(result.statusCode == UA_STATUSCODE_GOOD &&
       response.resultsSize != 1)
        result.statusCode = UA_STATUSCODE_BADINTERNALERROR;
    
    if(result.statusCode == UA_STATUSCODE_GOOD)
       UA_MonitoredItemCreateResult_copy(&response.results[0] , &result);
    UA_CreateMonitoredItemsResponse_clear(&response);
    return result;
}

UA_CreateMonitoredItemsResponse
UA_Client_MonitoredItems_createEvents(UA_Client *client,
                                      const UA_CreateMonitoredItemsRequest request,
                                      void **contexts,
                                      UA_Client_EventNotificationCallback *callback,
                                      UA_Client_DeleteMonitoredItemCallback *deleteCallback) {
    UA_CreateMonitoredItemsResponse response;
    ua_Client_MonitoredItems_create(client, &request, contexts, (void **)callback,
                                    deleteCallback, &response);
    return response;
}

/* Monitor the EventNotifier attribute only */
UA_StatusCode
UA_Client_MonitoredItems_createEvents_async(UA_Client *client,
                                            const UA_CreateMonitoredItemsRequest request,
                                            void **contexts,
                                            UA_Client_EventNotificationCallback *callbacks,
                                            UA_Client_DeleteMonitoredItemCallback *deleteCallbacks,
                                            UA_ClientAsyncServiceCallback createCallback,
                                            void *userdata, UA_UInt32 *requestId) {
    return ua_Client_MonitoredItems_createDataChanges_async(
        client, request, contexts, (void **)callbacks, deleteCallbacks, createCallback,
        userdata, requestId);
}

UA_MonitoredItemCreateResult
UA_Client_MonitoredItems_createEvent(UA_Client *client, UA_UInt32 subscriptionId,
                                     UA_TimestampsToReturn timestampsToReturn,
                                     const UA_MonitoredItemCreateRequest item, void *context,
                                     UA_Client_EventNotificationCallback callback,
                                     UA_Client_DeleteMonitoredItemCallback deleteCallback) {
    UA_CreateMonitoredItemsRequest request;
    UA_CreateMonitoredItemsRequest_init(&request);
    request.subscriptionId = subscriptionId;
    request.timestampsToReturn = timestampsToReturn;
    request.itemsToCreate = (UA_MonitoredItemCreateRequest*)(uintptr_t)&item;
    request.itemsToCreateSize = 1;
    UA_CreateMonitoredItemsResponse response = 
       UA_Client_MonitoredItems_createEvents(client, request, &context,
                                             &callback, &deleteCallback);
    UA_StatusCode retval = response.responseHeader.serviceResult;
    UA_MonitoredItemCreateResult result;
    UA_MonitoredItemCreateResult_init(&result);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_CreateMonitoredItemsResponse_clear(&response);
        result.statusCode = retval;
        return result;
    }
    UA_MonitoredItemCreateResult_copy(response.results , &result);
    UA_CreateMonitoredItemsResponse_clear(&response);
    return result;
}

static void
ua_MonitoredItems_delete(UA_Client *client, UA_Client_Subscription *sub,
                         const UA_DeleteMonitoredItemsRequest *request,
                         const UA_DeleteMonitoredItemsResponse *response) {
#ifdef __clang_analyzer__
    return;
#endif

    /* Loop over deleted MonitoredItems */
    for(size_t i = 0; i < response->resultsSize; i++) {
        if(response->results[i] != UA_STATUSCODE_GOOD &&
           response->results[i] != UA_STATUSCODE_BADMONITOREDITEMIDINVALID) {
            continue;
        }

        /* Delete the internal representation */
        UA_Client_MonitoredItem *mon;
        LIST_FOREACH(mon, &sub->monitoredItems, listEntry) {
            if(mon->monitoredItemId == request->monitoredItemIds[i]) {
                MonitoredItem_delete(client, sub, mon);
                break;
            }
        }
    }
}

static void
ua_MonitoredItems_delete_handler(UA_Client *client, void *d, UA_UInt32 requestId,
                                 void *r) {
    UA_Client_Subscription *sub = NULL;
    CustomCallback *cc = (CustomCallback *)d;
    UA_DeleteMonitoredItemsResponse *response = (UA_DeleteMonitoredItemsResponse *)r;
    UA_DeleteMonitoredItemsRequest *request =
        (UA_DeleteMonitoredItemsRequest *)cc->clientData;
    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD)
        goto cleanup;

    sub = findSubscription(client, request->subscriptionId);
    if(!sub) {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "No internal representation of subscription %" PRIu32,
                    request->subscriptionId);
        goto cleanup;
    }

    /* Delete MonitoredItems from the internal representation */
    ua_MonitoredItems_delete(client, sub, request, response);

cleanup:
    if(cc->userCallback)
        cc->userCallback(client, cc->userData, requestId, response);
    UA_DeleteMonitoredItemsRequest_delete(request);
    UA_free(cc);
}

UA_DeleteMonitoredItemsResponse
UA_Client_MonitoredItems_delete(UA_Client *client,
                                const UA_DeleteMonitoredItemsRequest request) {
    /* Send the request */
    UA_DeleteMonitoredItemsResponse response;
    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_DELETEMONITOREDITEMSREQUEST],
                        &response, &UA_TYPES[UA_TYPES_DELETEMONITOREDITEMSRESPONSE]);

    /* A problem occured remote? */
    if(response.responseHeader.serviceResult != UA_STATUSCODE_GOOD)
        return response;

    /* Find the internal subscription representation */
    UA_Client_Subscription *sub = findSubscription(client, request.subscriptionId);
    if(!sub) {
        UA_LOG_INFO(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                    "No internal representation of subscription %" PRIu32,
                    request.subscriptionId);
        return response;
    }

    /* Remove MonitoredItems in the internal representation */
    ua_MonitoredItems_delete(client, sub, &request, &response);
    return response;
}

UA_StatusCode
UA_Client_MonitoredItems_delete_async(UA_Client *client,
                                      const UA_DeleteMonitoredItemsRequest request,
                                      UA_ClientAsyncServiceCallback callback,
                                      void *userdata, UA_UInt32 *requestId) {
    /* Send the request */
    CustomCallback *cc = (CustomCallback *)UA_calloc(1, sizeof(CustomCallback));
    if(!cc)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    UA_DeleteMonitoredItemsRequest *req_copy = UA_DeleteMonitoredItemsRequest_new();
    if(!req_copy) {
        UA_free(cc);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_DeleteMonitoredItemsRequest_copy(&request, req_copy);
    cc->clientData = req_copy;
    cc->userCallback = callback;
    cc->userData = userdata;

    return __UA_Client_AsyncService(
        client, &request, &UA_TYPES[UA_TYPES_DELETEMONITOREDITEMSREQUEST],
        ua_MonitoredItems_delete_handler,
        &UA_TYPES[UA_TYPES_DELETEMONITOREDITEMSRESPONSE], cc, requestId);
}

UA_StatusCode
UA_Client_MonitoredItems_deleteSingle(UA_Client *client, UA_UInt32 subscriptionId,
                                      UA_UInt32 monitoredItemId) {
    UA_DeleteMonitoredItemsRequest request;
    UA_DeleteMonitoredItemsRequest_init(&request);
    request.subscriptionId = subscriptionId;
    request.monitoredItemIds = &monitoredItemId;
    request.monitoredItemIdsSize = 1;

    UA_DeleteMonitoredItemsResponse response =
        UA_Client_MonitoredItems_delete(client, request);

    UA_StatusCode retval = response.responseHeader.serviceResult;
    if(retval != UA_STATUSCODE_GOOD) {
        UA_DeleteMonitoredItemsResponse_clear(&response);
        return retval;
    }

    if(response.resultsSize != 1) {
        UA_DeleteMonitoredItemsResponse_clear(&response);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    retval = response.results[0];
    UA_DeleteMonitoredItemsResponse_clear(&response);
    return retval;
}

UA_ModifyMonitoredItemsResponse
UA_Client_MonitoredItems_modify(UA_Client *client,
                                const UA_ModifyMonitoredItemsRequest request) {
    UA_ModifyMonitoredItemsResponse response;

    UA_Client_Subscription *sub;
    LIST_FOREACH(sub, &client->subscriptions, listEntry) {
        if (sub->subscriptionId == request.subscriptionId)
            break;
    }

    if (!sub) {
        UA_ModifyMonitoredItemsResponse_init(&response);
        response.responseHeader.serviceResult = UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
        return response;
    }

    UA_ModifyMonitoredItemsRequest modifiedRequest;
    UA_ModifyMonitoredItemsRequest_copy(&request, &modifiedRequest);

    for (size_t i = 0; i < modifiedRequest.itemsToModifySize; ++i) {
        UA_Client_MonitoredItem *mon;
        LIST_FOREACH(mon, &sub->monitoredItems, listEntry) {
            if(mon->monitoredItemId == modifiedRequest.itemsToModify[i].monitoredItemId) {
                modifiedRequest.itemsToModify[i].requestedParameters.clientHandle = mon->clientHandle;
                break;
            }
        }
    }

    __UA_Client_Service(client,
                        &modifiedRequest, &UA_TYPES[UA_TYPES_MODIFYMONITOREDITEMSREQUEST],
                        &response, &UA_TYPES[UA_TYPES_MODIFYMONITOREDITEMSRESPONSE]);

    UA_ModifyMonitoredItemsRequest_clear(&modifiedRequest);
    return response;
}

/*************************************/
/* Async Processing of Notifications */
/*************************************/

/* Assume the request is already initialized */
UA_StatusCode
UA_Client_preparePublishRequest(UA_Client *client, UA_PublishRequest *request) {
    /* Count acks */
    UA_Client_NotificationsAckNumber *ack;
    LIST_FOREACH(ack, &client->pendingNotificationsAcks, listEntry)
        ++request->subscriptionAcknowledgementsSize;

    /* Create the array. Returns a sentinel pointer if the length is zero. */
    request->subscriptionAcknowledgements = (UA_SubscriptionAcknowledgement*)
        UA_Array_new(request->subscriptionAcknowledgementsSize,
                     &UA_TYPES[UA_TYPES_SUBSCRIPTIONACKNOWLEDGEMENT]);
    if(!request->subscriptionAcknowledgements) {
        request->subscriptionAcknowledgementsSize = 0;
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    size_t i = 0;
    UA_Client_NotificationsAckNumber *ack_tmp;
    LIST_FOREACH_SAFE(ack, &client->pendingNotificationsAcks, listEntry, ack_tmp) {
        request->subscriptionAcknowledgements[i].sequenceNumber = ack->subAck.sequenceNumber;
        request->subscriptionAcknowledgements[i].subscriptionId = ack->subAck.subscriptionId;
        ++i;
        LIST_REMOVE(ack, listEntry);
        UA_free(ack);
    }
    return UA_STATUSCODE_GOOD;
}

/* According to OPC Unified Architecture, Part 4 5.13.1.1 i) */
/* The value 0 is never used for the sequence number         */
static UA_UInt32
UA_Client_Subscriptions_nextSequenceNumber(UA_UInt32 sequenceNumber) {
    UA_UInt32 nextSequenceNumber = sequenceNumber + 1;
    if(nextSequenceNumber == 0)
        nextSequenceNumber = 1;
    return nextSequenceNumber;
}

static void
processDataChangeNotification(UA_Client *client, UA_Client_Subscription *sub,
                              UA_DataChangeNotification *dataChangeNotification) {
    for(size_t j = 0; j < dataChangeNotification->monitoredItemsSize; ++j) {
        UA_MonitoredItemNotification *min = &dataChangeNotification->monitoredItems[j];

        /* Find the MonitoredItem */
        UA_Client_MonitoredItem *mon;
        LIST_FOREACH(mon, &sub->monitoredItems, listEntry) {
            if(mon->clientHandle == min->clientHandle)
                break;
        }

        if(!mon) {
            UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "Could not process a notification with clienthandle %" PRIu32
                           " on subscription %" PRIu32, min->clientHandle, sub->subscriptionId);
            continue;
        }

        if(mon->isEventMonitoredItem) {
            UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "MonitoredItem is configured for Events. But received a "
                           "DataChangeNotification.");
            continue;
        }

        if(mon->handler.dataChangeCallback) {
            mon->handler.dataChangeCallback(client, sub->subscriptionId, sub->context,
                                            mon->monitoredItemId, mon->context,
                                            &min->value);
        }
    }
}

static void
processEventNotification(UA_Client *client, UA_Client_Subscription *sub,
                         UA_EventNotificationList *eventNotificationList) {
    for(size_t j = 0; j < eventNotificationList->eventsSize; ++j) {
        UA_EventFieldList *eventFieldList = &eventNotificationList->events[j];

        /* Find the MonitoredItem */
        UA_Client_MonitoredItem *mon;
        LIST_FOREACH(mon, &sub->monitoredItems, listEntry) {
            if(mon->clientHandle == eventFieldList->clientHandle)
                break;
        }

        if(!mon) {
            UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                         "Could not process a notification with clienthandle %" PRIu32
                         " on subscription %" PRIu32, eventFieldList->clientHandle,
                         sub->subscriptionId);
            continue;
        }

        if(!mon->isEventMonitoredItem) {
            UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                         "MonitoredItem is configured for DataChanges. But received a "
                         "EventNotification.");
            continue;
        }

        mon->handler.eventCallback(client, sub->subscriptionId, sub->context,
                                   mon->monitoredItemId, mon->context,
                                   eventFieldList->eventFieldsSize,
                                   eventFieldList->eventFields);
    }
}

static void
processNotificationMessage(UA_Client *client, UA_Client_Subscription *sub,
                           UA_ExtensionObject *msg) {
    if(msg->encoding != UA_EXTENSIONOBJECT_DECODED)
        return;

    /* Handle DataChangeNotification */
    if(msg->content.decoded.type == &UA_TYPES[UA_TYPES_DATACHANGENOTIFICATION]) {
        UA_DataChangeNotification *dataChangeNotification =
            (UA_DataChangeNotification *)msg->content.decoded.data;
        processDataChangeNotification(client, sub, dataChangeNotification);
        return;
    }

    /* Handle EventNotification */
    if(msg->content.decoded.type == &UA_TYPES[UA_TYPES_EVENTNOTIFICATIONLIST]) {
        UA_EventNotificationList *eventNotificationList =
            (UA_EventNotificationList *)msg->content.decoded.data;
        processEventNotification(client, sub, eventNotificationList);
        return;
    }

    /* Handle StatusChangeNotification */
    if(msg->content.decoded.type == &UA_TYPES[UA_TYPES_STATUSCHANGENOTIFICATION]) {
        if(sub->statusChangeCallback) {
            sub->statusChangeCallback(client, sub->subscriptionId, sub->context,
                                      (UA_StatusChangeNotification*)msg->content.decoded.data);
        } else {
            UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "Dropped a StatusChangeNotification since no "
                           "callback is registered");
        }
        return;
    }

    UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                   "Unknown notification message type");
}

static void
UA_Client_Subscriptions_processPublishResponse(UA_Client *client, UA_PublishRequest *request,
                                               UA_PublishResponse *response) {
    UA_NotificationMessage *msg = &response->notificationMessage;

    client->currentlyOutStandingPublishRequests--;

    if(response->responseHeader.serviceResult == UA_STATUSCODE_BADTOOMANYPUBLISHREQUESTS) {
        if(client->config.outStandingPublishRequests > 1) {
            client->config.outStandingPublishRequests--;
            UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "Too many publishrequest, reduce outStandingPublishRequests "
                           "to %" PRId16, client->config.outStandingPublishRequests);
        } else {
            UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                         "Too many publishrequest when outStandingPublishRequests = 1");
            UA_Client_Subscriptions_deleteSingle(client, response->subscriptionId);
        }
        return;
    }

    if(response->responseHeader.serviceResult == UA_STATUSCODE_BADSHUTDOWN)
        return;

    if(!LIST_FIRST(&client->subscriptions)) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADNOSUBSCRIPTION;
        return;
    }

    if(response->responseHeader.serviceResult == UA_STATUSCODE_BADSESSIONCLOSED) {
        if(client->sessionState != UA_SESSIONSTATE_ACTIVATED) {
            UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "Received Publish Response with code %s",
                           UA_StatusCode_name(response->responseHeader.serviceResult));
            UA_Client_Subscription* sub = findSubscription(client, response->subscriptionId);
            if (sub != NULL)
              UA_Client_Subscription_deleteInternal(client, sub);
        }
        return;
    }

    if(response->responseHeader.serviceResult == UA_STATUSCODE_BADSESSIONIDINVALID) {
        UA_Client_disconnect(client); /* TODO: This should be handled before the process callback */
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Received BadSessionIdInvalid");
        return;
    }

    if(response->responseHeader.serviceResult == UA_STATUSCODE_BADTIMEOUT) {
        if (client->config.subscriptionInactivityCallback) {
            UA_Client_Subscription* sub = findSubscription(client, response->subscriptionId);
            if (sub != NULL)
                client->config.subscriptionInactivityCallback(client, sub->subscriptionId,
                                                              sub->context);
        }
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Received Timeout for Publish Response");
        return;
    }

    if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Received Publish Response with code %s",
                       UA_StatusCode_name(response->responseHeader.serviceResult));
        return;
    }

    UA_Client_Subscription *sub = findSubscription(client, response->subscriptionId);
    if(!sub) {
        response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Received Publish Response for a non-existant subscription");
        return;
    }

    sub->lastActivity = UA_DateTime_nowMonotonic();

    /* Detect missing message - OPC Unified Architecture, Part 4 5.13.1.1 e) */
    if(UA_Client_Subscriptions_nextSequenceNumber(sub->sequenceNumber) != msg->sequenceNumber) {
        UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                       "Invalid subscription sequence number: expected %" PRIu32
                       " but got %" PRIu32,
                       UA_Client_Subscriptions_nextSequenceNumber(sub->sequenceNumber),
                       msg->sequenceNumber);
        /* This is an error. But we do not abort the connection. Some server
         * SDKs misbehave from time to time and send out-of-order sequence
         * numbers. (Probably some multi-threading synchronization issue.) */
        /* UA_Client_disconnect(client);
           return; */
    }
    /* According to f), a keep-alive message contains no notifications and has
     * the sequence number of the next NotificationMessage that is to be sent =>
     * More than one consecutive keep-alive message or a NotificationMessage
     * following a keep-alive message will share the same sequence number. */
    if (msg->notificationDataSize)
        sub->sequenceNumber = msg->sequenceNumber;

    /* Process the notification messages */
    for(size_t k = 0; k < msg->notificationDataSize; ++k)
        processNotificationMessage(client, sub, &msg->notificationData[k]);

    /* Add to the list of pending acks */
    for(size_t i = 0; i < response->availableSequenceNumbersSize; i++) {
        if(response->availableSequenceNumbers[i] != msg->sequenceNumber)
            continue;
        UA_Client_NotificationsAckNumber *tmpAck = (UA_Client_NotificationsAckNumber*)
            UA_malloc(sizeof(UA_Client_NotificationsAckNumber));
        if(!tmpAck) {
            UA_LOG_WARNING(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                           "Not enough memory to store the acknowledgement for a publish "
                           "message on subscription %" PRIu32, sub->subscriptionId);
            break;
        }   
        tmpAck->subAck.sequenceNumber = msg->sequenceNumber;
        tmpAck->subAck.subscriptionId = sub->subscriptionId;
        LIST_INSERT_HEAD(&client->pendingNotificationsAcks, tmpAck, listEntry);
        break;
    } 
}

static void
processPublishResponseAsync(UA_Client *client, void *userdata,
                            UA_UInt32 requestId, void *response) {
    UA_PublishRequest *req = (UA_PublishRequest*)userdata;
    UA_PublishResponse *res = (UA_PublishResponse*)response;

    /* Process the response */
    UA_Client_Subscriptions_processPublishResponse(client, req, res);

    /* Delete the cached request */
    UA_PublishRequest_delete(req);

    /* Fill up the outstanding publish requests */
    UA_Client_Subscriptions_backgroundPublish(client);
}

void
UA_Client_Subscriptions_clean(UA_Client *client) {
    UA_Client_NotificationsAckNumber *n;
    UA_Client_NotificationsAckNumber *tmp;
    LIST_FOREACH_SAFE(n, &client->pendingNotificationsAcks, listEntry, tmp) {
        LIST_REMOVE(n, listEntry);
        UA_free(n);
    }

    UA_Client_Subscription *sub;
    UA_Client_Subscription *tmps;
    LIST_FOREACH_SAFE(sub, &client->subscriptions, listEntry, tmps)
        UA_Client_Subscription_deleteInternal(client, sub); /* force local removal */

    client->monitoredItemHandles = 0;
}

void
UA_Client_Subscriptions_backgroundPublishInactivityCheck(UA_Client *client) {
    if(client->sessionState < UA_SESSIONSTATE_ACTIVATED)
        return;

    /* Is the lack of responses the client's fault? */
    if(client->currentlyOutStandingPublishRequests == 0)
        return;

    UA_Client_Subscription *sub;
    LIST_FOREACH(sub, &client->subscriptions, listEntry) {
        UA_DateTime maxSilence = (UA_DateTime)
            ((sub->publishingInterval * sub->maxKeepAliveCount) +
             client->config.timeout) * UA_DATETIME_MSEC;
        if(maxSilence + sub->lastActivity < UA_DateTime_nowMonotonic()) {
            /* Reset activity */
            sub->lastActivity = UA_DateTime_nowMonotonic();

            if(client->config.subscriptionInactivityCallback)
                client->config.subscriptionInactivityCallback(client, sub->subscriptionId,
                                                              sub->context);
            UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
                         "Inactivity for Subscription %" PRIu32 ".", sub->subscriptionId);
        }
    }
}

void
UA_Client_Subscriptions_backgroundPublish(UA_Client *client) {
    if(client->sessionState != UA_SESSIONSTATE_ACTIVATED)
        return;

    /* The session must have at least one subscription */
    if(!LIST_FIRST(&client->subscriptions))
        return;

    while(client->currentlyOutStandingPublishRequests < client->config.outStandingPublishRequests) {
        UA_PublishRequest *request = UA_PublishRequest_new();
        if(!request)
            return;

        request->requestHeader.timeoutHint=60000;
        UA_StatusCode retval = UA_Client_preparePublishRequest(client, request);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_PublishRequest_delete(request);
            return;
        }
    
        UA_UInt32 requestId;
        client->currentlyOutStandingPublishRequests++;

        /* Disable the timeout, it is treat in
         * UA_Client_Subscriptions_backgroundPublishInactivityCheck */
        retval = __UA_Client_AsyncServiceEx(client, request,
                                            &UA_TYPES[UA_TYPES_PUBLISHREQUEST],
                                            processPublishResponseAsync,
                                            &UA_TYPES[UA_TYPES_PUBLISHRESPONSE],
                                            (void*)request, &requestId, 0);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_PublishRequest_delete(request);
            return;
        }
    }
}

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/**** amalgamated original file "/deps/libc_time.c" ****/

/* Originally released by the musl project (http://www.musl-libc.org/) under the
 * MIT license. Taken from the file /src/time/__secs_to_tm.c */

#include <limits.h>

/* 2000-03-01 (mod 400 year, immediately after feb29 */
#define LEAPOCH (946684800LL + 86400*(31+29))

#define DAYS_PER_400Y (365*400 + 97)
#define DAYS_PER_100Y (365*100 + 24)
#define DAYS_PER_4Y   (365*4   + 1)

int __secs_to_tm(long long t, struct mytm *tm) {
    long long days, secs, years;
    int remdays, remsecs, remyears;
    int qc_cycles, c_cycles, q_cycles;
    int months;
    static const char days_in_month[] = {31,30,31,30,31,31,30,31,30,31,31,29};

    /* Reject time_t values whose year would overflow int */
    if (t < INT_MIN * 31622400LL || t > INT_MAX * 31622400LL)
        return -1;

    secs = t - LEAPOCH;
    days = secs / 86400LL;
    remsecs = (int)(secs % 86400);
    if (remsecs < 0) {
        remsecs += 86400;
        --days;
    }

    qc_cycles = (int)(days / DAYS_PER_400Y);
    remdays = (int)(days % DAYS_PER_400Y);
    if (remdays < 0) {
        remdays += DAYS_PER_400Y;
        --qc_cycles;
    }

    c_cycles = remdays / DAYS_PER_100Y;
    if (c_cycles == 4) --c_cycles;
    remdays -= c_cycles * DAYS_PER_100Y;

    q_cycles = remdays / DAYS_PER_4Y;
    if (q_cycles == 25) --q_cycles;
    remdays -= q_cycles * DAYS_PER_4Y;

    remyears = remdays / 365;
    if (remyears == 4) --remyears;
    remdays -= remyears * 365;

    years = remyears + 4*q_cycles + 100*c_cycles + 400LL*qc_cycles;

    for (months=0; days_in_month[months] <= remdays; ++months)
        remdays -= days_in_month[months];

    if (years+100 > INT_MAX || years+100 < INT_MIN)
        return -1;

    tm->tm_year = (int)(years + 100);
    tm->tm_mon = months + 2;
    if (tm->tm_mon >= 12) {
        tm->tm_mon -=12;
        ++tm->tm_year;
    }
    tm->tm_mday = remdays + 1;
    tm->tm_hour = remsecs / 3600;
    tm->tm_min = remsecs / 60 % 60;
    tm->tm_sec = remsecs % 60;

    return 0;
}

static const int secs_through_month[] =
    {0, 31*86400, 59*86400, 90*86400,
     120*86400, 151*86400, 181*86400, 212*86400,
     243*86400, 273*86400, 304*86400, 334*86400 };

static int
__month_to_secs(int month, int is_leap) {
    int t = secs_through_month[month];
    if (is_leap && month >= 2)
        t+=86400;
    return t;
}

static long long
__year_to_secs(const long long year, int *is_leap) {
    int cycles, centuries, leaps, rem;
    int is_leap_val = 0;
    if (!is_leap) {
        is_leap = &is_leap_val;
    }
    cycles = (int)((year-100) / 400);
    rem = (int)((year-100) % 400);
    if (rem < 0) {
        cycles--;
        rem += 400;
    }
    if (!rem) {
        *is_leap = 1;
        centuries = 0;
        leaps = 0;
    } else {
        if (rem >= 200) {
            if (rem >= 300) centuries = 3, rem -= 300;
            else centuries = 2, rem -= 200;
        } else {
            if (rem >= 100) centuries = 1, rem -= 100;
            else centuries = 0;
        }
        if (!rem) {
            *is_leap = 0;
            leaps = 0;
        } else {
            leaps = (rem / (int)4U);
            rem %= (int)4U;
            *is_leap = !rem;
        }
    }

    leaps += 97*cycles + 24*centuries - *is_leap;

    return (year-100) * 31536000LL + leaps * 86400LL + 946684800 + 86400;
}

long long __tm_to_secs(const struct mytm *tm) {
    int is_leap;
    long long year = tm->tm_year;
    int month = tm->tm_mon;
    if (month >= 12 || month < 0) {
        int adj = month / 12;
        month %= 12;
        if (month < 0) {
            adj--;
            month += 12;
        }
        year += adj;
    }
    long long t = __year_to_secs(year, &is_leap);
    t += __month_to_secs(month, is_leap);
    t += 86400LL * (tm->tm_mday-1);
    t += 3600LL * tm->tm_hour;
    t += 60LL * tm->tm_min;
    t += tm->tm_sec;
    return t;
}

/**** amalgamated original file "/deps/pcg_basic.c" ****/

/*
 * PCG Random Number Generation for C.
 *
 * Copyright 2014 Melissa O'Neill <oneill@pcg-random.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For additional information about the PCG random number generation scheme,
 * including its license and other licensing options, visit
 *
 *       http://www.pcg-random.org
 */


void pcg32_srandom_r(pcg32_random_t* rng, uint64_t initial_state, uint64_t initseq) {
    rng->state = 0U;
    rng->inc = (initseq << 1u) | 1u;
    pcg32_random_r(rng);
    rng->state += initial_state;
    pcg32_random_r(rng);
}

uint32_t pcg32_random_r(pcg32_random_t* rng) {
    uint64_t oldstate = rng->state;
    rng->state = oldstate * 6364136223846793005ULL + rng->inc;
    uint32_t xorshifted = (uint32_t)(((oldstate >> 18u) ^ oldstate) >> 27u);
    uint32_t rot = (uint32_t)(oldstate >> 59u);
    return (xorshifted >> rot) | (xorshifted << ((~rot + 1u) & 31)); /* was (xorshifted >> rot) | (xorshifted << ((-rot) & 31)) */
}

/**** amalgamated original file "/deps/base64.c" ****/

/*
 * Base64 encoding: Copyright (c) 2005-2011, Jouni Malinen <j@w1.fi>
 * This software may be distributed under the terms of the BSD license.
 *
 * Base64 decoding: Copyright (c) 2016, polfosol
 * Posted at https://stackoverflow.com/a/37109258 under the CC-BY-SA Creative
 * Commons license.
 */


static const unsigned char base64_table[65] =
	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

unsigned char *
UA_base64(const unsigned char *src, size_t len, size_t *out_len) {
    if(len == 0) {
        *out_len = 0;
        return (unsigned char*)UA_EMPTY_ARRAY_SENTINEL;
    }

	size_t olen = 4*((len + 2) / 3); /* 3-byte blocks to 4-byte */
	if(olen < len)
		return NULL; /* integer overflow */

	unsigned char *out = (unsigned char*)UA_malloc(olen);
	if(!out)
		return NULL;

	const unsigned char *end = src + len;
	const unsigned char *in = src;
	unsigned char *pos = out;
	while(end - in >= 3) {
		*pos++ = base64_table[in[0] >> 2];
		*pos++ = base64_table[((in[0] & 0x03) << 4) | (in[1] >> 4)];
		*pos++ = base64_table[((in[1] & 0x0f) << 2) | (in[2] >> 6)];
		*pos++ = base64_table[in[2] & 0x3f];
		in += 3;
	}

	if(end - in) {
		*pos++ = base64_table[in[0] >> 2];
		if(end - in == 1) {
			*pos++ = base64_table[(in[0] & 0x03) << 4];
			*pos++ = '=';
		} else {
			*pos++ = base64_table[((in[0] & 0x03) << 4) | (in[1] >> 4)];
			*pos++ = base64_table[(in[1] & 0x0f) << 2];
		}
		*pos++ = '=';
	}

    *out_len = (size_t)(pos - out);
	return out;
}

static const uint32_t from_b64[256] = {
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  62, 63, 62, 62, 63,
    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0,  0,  0,  0,  0,  0,
    0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14,
    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0,  0,  0,  0,  63,
    0,  26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51};

unsigned char *
UA_unbase64(const unsigned char *src, size_t len, size_t *out_len) {
    // we need a minimum length
    if(len <= 2) {
        *out_len = 0;
        return (unsigned char*)UA_EMPTY_ARRAY_SENTINEL;
    }

    const unsigned char *p = src;
    size_t pad1 = len % 4 || p[len - 1] == '=';
    size_t pad2 = pad1 && (len % 4 > 2 || p[len - 2] != '=');
    const size_t last = (len - pad1) / 4 << 2;

    unsigned char *str = (unsigned char*)UA_malloc(last / 4 * 3 + pad1 + pad2);
    if(!str)
        return NULL;

    unsigned char *pos = str;
    for(size_t i = 0; i < last; i += 4) {
        uint32_t n = from_b64[p[i]] << 18 | from_b64[p[i + 1]] << 12 |
                     from_b64[p[i + 2]] << 6 | from_b64[p[i + 3]];
        *pos++ = (unsigned char)(n >> 16);
        *pos++ = (unsigned char)(n >> 8 & 0xFF);
        *pos++ = (unsigned char)(n & 0xFF);
    }

    if(pad1) {
        if (last + 1 >= len) {
            UA_free(str);
            *out_len = 0;
            return (unsigned char*)UA_EMPTY_ARRAY_SENTINEL;
        }
        uint32_t n = from_b64[p[last]] << 18 | from_b64[p[last + 1]] << 12;
        *pos++ = (unsigned char)(n >> 16);
        if(pad2) {
            if (last + 2 >= len) {
                UA_free(str);
                *out_len = 0;
                return (unsigned char*)UA_EMPTY_ARRAY_SENTINEL;
            }
            n |= from_b64[p[last + 2]] << 6;
            *pos++ = (unsigned char)(n >> 8 & 0xFF);
        }
    }

    *out_len = (uintptr_t)(pos - str);
    return str;
}

/**** amalgamated original file "/deps/aa_tree.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 */

#include <stddef.h>

#ifdef UNDER_CE
  /* Windows CE: uintptr_t has already been defined by windows.h */
#elif !defined(_MSC_VER) || _MSC_VER >= 1800
# include <inttypes.h>
#elif !defined(uintptr_t)
  /* Workaround missing standard includes in older Visual Studio */
# if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
typedef _W64 unsigned int uintptr_t;
# else
typedef unsigned __int64 uintptr_t;
# endif
#endif

#define aa_entry_container(head, entry)                 \
    ((void*)((uintptr_t)entry - head->entry_offset))
#define aa_entry_key(head, entry)                       \
    ((const void*)((uintptr_t)entry + head->key_offset - head->entry_offset))
#define aa_container_entry(head, container)             \
    ((struct aa_entry*)((uintptr_t)container + head->entry_offset))
#define aa_container_key(head, container)               \
    ((const void*)((uintptr_t)container + head->key_offset))

void
aa_init(struct aa_head *head,
        enum aa_cmp (*cmp)(const void*, const void*),
        unsigned int entry_offset, unsigned int key_offset) {
    head->root = NULL;
    head->cmp = cmp;
    head->entry_offset = entry_offset;
    head->key_offset = key_offset;
}

static struct aa_entry *
_aa_skew(struct aa_entry *n) {
    if(!n)
        return NULL;
    if(n->left && n->level == n->left->level) {
        struct aa_entry *l = n->left;
        n->left = l->right;
        l->right = n;
        return l;
    }
    return n;
}

static struct aa_entry *
_aa_split(struct aa_entry *n) {
    if(!n)
        return NULL;
    if(n->right && n->right->right &&
       n->right->right->level == n->level) {
        struct aa_entry *r = n->right;
        n->right = r->left;
        r->left = n;
        r->level++;
        return r;
    }
    return n;
}

static struct aa_entry *
_aa_fixup(struct aa_entry *n) {
    unsigned int should_be = 0;
    if(n->left)
        should_be = n->left->level;
    if(n->right && n->right->level < should_be)
        should_be = n->right->level;
    should_be++;
    if(should_be < n->level)
        n->level = should_be;
    if(n->right && n->right->level > should_be)
        n->right->level = should_be;
    n = _aa_skew(n);
    n->right = _aa_skew(n->right);
    if(n->right)
        n->right->right = _aa_skew(n->right->right);
    n = _aa_split(n);
    n->right = _aa_split(n->right);
    return n;
}

static struct aa_entry *
_aa_insert(struct aa_head *h, struct aa_entry *n, void *elem) {
    if(!n) {
        struct aa_entry *e = aa_container_entry(h, elem);
        e->left = NULL;
        e->right = NULL;
        e->level = 1;
        return e;
    }
    const void *n_key = aa_entry_key(h, n);
    const void *key = aa_container_key(h, elem);
    enum aa_cmp eq = h->cmp(key, n_key);
    if(eq == AA_CMP_EQ)
        eq = (key > n_key) ? AA_CMP_MORE : AA_CMP_LESS;
    if(eq == AA_CMP_LESS)
        n->left = _aa_insert(h, n->left, elem);
    else
        n->right = _aa_insert(h, n->right, elem);
    return _aa_split(_aa_skew(n));
}

void
aa_insert(struct aa_head *h, void *elem) {
    h->root = _aa_insert(h, h->root, elem);
}

void *
aa_find(const struct aa_head *h, const void *key) {
    struct aa_entry *n = h->root;
    while(n) {
        enum aa_cmp eq = h->cmp(key, aa_entry_key(h, n));
        if(eq == AA_CMP_EQ)
            return aa_entry_container(h, n);
        n = (eq == AA_CMP_LESS) ? n->left : n->right;
    }
    return NULL;
}

static struct aa_entry *
unlink_succ(struct aa_entry *n, struct aa_entry **succ) {
    if(!n->left) {
        *succ = n;
        return n->right;
    }
    n->left = unlink_succ(n->left, succ);
    return _aa_fixup(n);
}

static struct aa_entry *
unlink_pred(struct aa_entry *n, struct aa_entry **pred) {
    if(!n->right) {
        *pred = n;
        return n->left;
    }
    n->right = unlink_pred(n->right, pred);
    return _aa_fixup(n);
}

static struct aa_entry *
_aa_remove(struct aa_head *h, void *elem, struct aa_entry *n) {
    if(!n)
        return NULL;

    const void *elem_key = aa_container_key(h, elem);
    const void *n_key = aa_entry_key(h, n);
    if(n_key == elem_key) {
        if(!n->left && !n->right)
            return NULL;
        struct aa_entry *replace = NULL;
        if(!n->left)
            n->right = unlink_succ(n->right, &replace);
        else
            n->left = unlink_pred(n->left, &replace);
        replace->left = n->left;
        replace->right = n->right;
        replace->level = n->level;
        return _aa_fixup(replace);
    }

    enum aa_cmp eq = h->cmp(elem_key, n_key);
    if(eq == AA_CMP_EQ)
        eq = (elem_key > n_key) ? AA_CMP_MORE : AA_CMP_LESS;
    if(eq == AA_CMP_LESS)
        n->left = _aa_remove(h, elem, n->left);
    else
        n->right = _aa_remove(h, elem, n->right);
    return _aa_fixup(n);
}

void
aa_remove(struct aa_head *head, void *elem) {
    head->root = _aa_remove(head, elem, head->root);
}

void *
aa_min(const struct aa_head *head) {
    struct aa_entry *e = head->root;
    if(!e)
        return NULL;
    while(e->left)
        e = e->left;
    return aa_entry_container(head, e);
}

void *
aa_max(const struct aa_head *head) {
    struct aa_entry *e = head->root;
    if(!e)
        return NULL;
    while(e->right)
        e = e->right;
    return aa_entry_container(head, e);
}

void *
aa_next(const struct aa_head *head, const void *elem) {
    struct aa_entry *e = aa_container_entry(head, elem);
    if(e->right) {
        e = e->right;
        while(e->left)
            e = e->left;
        return aa_entry_container(head, e);
    }
    struct aa_entry *next = NULL;
    struct aa_entry *n = head->root;
    const void *key = aa_container_key(head, elem);
    while(n && n != e) {
        const void *n_key = aa_entry_key(head, n);
        enum aa_cmp eq = head->cmp(key, n_key);
        if(eq == AA_CMP_EQ)
            eq = (key > n_key) ? AA_CMP_MORE : AA_CMP_LESS;
        if(eq == AA_CMP_MORE) {
            n = n->right;
        } else {
            next = n;
            n = n->left;
        }
    }
    return (next) ? aa_entry_container(head, next) : NULL;
}

void *
aa_prev(const struct aa_head *head, const void *elem) {
    struct aa_entry *e = aa_container_entry(head, elem);
    if(e->left) {
        e = e->left;
        while(e->right)
            e = e->right;
        return aa_entry_container(head, e);
    }
    struct aa_entry *prev = NULL;
    struct aa_entry *n = head->root;
    const void *key = aa_container_key(head, elem);
    while(n && n != e) {
        const void *n_key = aa_entry_key(head, n);
        enum aa_cmp eq = head->cmp(key, n_key);
        if(eq == AA_CMP_EQ)
            eq = (key > n_key) ? AA_CMP_MORE : AA_CMP_LESS;
        if(eq == AA_CMP_MORE) {
            prev = n;
            n = n->right;
        } else {
            n = n->left;
        }
    }
    return (prev) ? aa_entry_container(head, prev) : NULL;
}

/**** amalgamated original file "/deps/ziptree.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2021 (c) Julius Pfrommer
 */


#if defined(_MSC_VER)
#include <intrin.h>
#endif

unsigned char
__ZIP_FFS32(unsigned int v) {
#if defined(__GNUC__) || defined(__clang__) 
    return (unsigned char)((unsigned char)__builtin_ffs((int)v) - 1u);
#elif defined(_MSC_VER)
    unsigned long index = 255;
    _BitScanForward(&index, v);
    return (unsigned char)index;
#else
    if(v == 0)
        return 255;
    unsigned int t = 1;
    unsigned char r = 0;
    while((v & t) == 0) {
        t = t << 1;
        r++;
    }
    return r;
#endif
}

/* Generic analog to ZIP_ENTRY(type) */
struct zip_entry {
    void *left;
    void *right;
    unsigned char rank;
};

#define ZIP_ENTRY_PTR(x) (struct zip_entry*)((char*)x + fieldoffset)
#define ZIP_KEY_PTR(x) (void*)((char*)x + keyoffset)

void *
__ZIP_INSERT(zip_cmp_cb cmp, unsigned short fieldoffset,
             unsigned short keyoffset, void *root, void *elm) {
    struct zip_entry *root_entry = ZIP_ENTRY_PTR(root);
    struct zip_entry *elm_entry  = ZIP_ENTRY_PTR(elm);
    if(!root) {
        elm_entry->left = NULL;
        elm_entry->right = NULL;
        return elm;
    }
    enum ZIP_CMP order = cmp(ZIP_KEY_PTR(elm), ZIP_KEY_PTR(root));
    if(order == ZIP_CMP_LESS) {
        if(__ZIP_INSERT(cmp, fieldoffset, keyoffset, root_entry->left, elm) == elm) {
            if(elm_entry->rank < root_entry->rank) {
                root_entry->left = elm;
            } else {
                root_entry->left = elm_entry->right;
                elm_entry->right = root;
                return elm;
            }
        }
    } else {
        if(__ZIP_INSERT(cmp, fieldoffset, keyoffset, root_entry->right, elm) == elm) {
            if(elm_entry->rank <= root_entry->rank) {
                root_entry->right = elm;
            } else {
                root_entry->right = elm_entry->left;
                elm_entry->left = root;
                return elm;
            }
        }
    }
    return root;
}

static void *
__ZIP(unsigned short fieldoffset, void *x, void *y) {
    if(!x) return y;
    if(!y) return x;
    struct zip_entry *x_entry = ZIP_ENTRY_PTR(x);
    struct zip_entry *y_entry = ZIP_ENTRY_PTR(y);
    if(x_entry->rank < y_entry->rank) {
        y_entry->left = __ZIP(fieldoffset, x, y_entry->left);
        return y;
    } else {
        x_entry->right = __ZIP(fieldoffset, x_entry->right, y);
        return x;
    }
}

/* Modified from the original algorithm. Allow multiple elements with the same
 * key. */
void *
__ZIP_REMOVE(zip_cmp_cb cmp, unsigned short fieldoffset,
             unsigned short keyoffset, void *root, void *elm) {
    struct zip_entry *root_entry = ZIP_ENTRY_PTR(root);
    if(root == elm)
        return __ZIP(fieldoffset, root_entry->left, root_entry->right);
    void *left = root_entry->left;
    void *right = root_entry->right;
    enum ZIP_CMP eq = cmp(ZIP_KEY_PTR(elm), ZIP_KEY_PTR(root));
    if(eq == ZIP_CMP_LESS) {
        struct zip_entry *left_entry = ZIP_ENTRY_PTR(left);
        if(elm == left)
            root_entry->left = __ZIP(fieldoffset, left_entry->left, left_entry->right);
        else if(left)
            __ZIP_REMOVE(cmp, fieldoffset, keyoffset, left, elm);
    } else if(eq == ZIP_CMP_MORE) {
        struct zip_entry *right_entry = ZIP_ENTRY_PTR(right);
        if(elm == right)
            root_entry->right = __ZIP(fieldoffset, right_entry->left, right_entry->right);
        else if(right)
            __ZIP_REMOVE(cmp, fieldoffset, keyoffset, right, elm);
    } else { /* ZIP_CMP_EQ, but root != elm */
        if(right)
            root_entry->right = __ZIP_REMOVE(cmp, fieldoffset, keyoffset, right, elm);
        if(left)
            root_entry->left = __ZIP_REMOVE(cmp, fieldoffset, keyoffset, left, elm);
    }
    return root;
}

void *
__ZIP_FIND(zip_cmp_cb cmp, unsigned short fieldoffset,
           unsigned short keyoffset, void *root, const void *key) {
    if(!root)
        return NULL;
    enum ZIP_CMP eq = cmp(key, ZIP_KEY_PTR(root));
    if(eq == ZIP_CMP_EQ)
        return root;
    struct zip_entry *root_entry = ZIP_ENTRY_PTR(root);
    if(eq == ZIP_CMP_LESS)
        return __ZIP_FIND(cmp, fieldoffset, keyoffset, root_entry->left, key);
    else
        return __ZIP_FIND(cmp, fieldoffset, keyoffset, root_entry->right, key);
}

void *
__ZIP_MIN(unsigned short fieldoffset, void *elm) {
    if(!elm)
        return NULL;
    struct zip_entry *elm_entry = ZIP_ENTRY_PTR(elm);
    while(elm_entry->left) {
        elm = elm_entry->left;
        elm_entry  = (struct zip_entry*)((char*)elm + fieldoffset);
    }
    return elm;
}

void *
__ZIP_MAX(unsigned short fieldoffset, void *elm) {
    if(!elm)
        return NULL;
    struct zip_entry *elm_entry = ZIP_ENTRY_PTR(elm);
    while(elm_entry->right) {
        elm = elm_entry->right;
        elm_entry  = (struct zip_entry*)((char*)elm + fieldoffset);
    }
    return elm;
}

void
__ZIP_ITER(unsigned short fieldoffset, __zip_iter_cb cb,
           void *context, void *elm) {
    if(!elm)
        return;
    struct zip_entry *elm_entry = ZIP_ENTRY_PTR(elm);
    __ZIP_ITER(fieldoffset, cb, context, elm_entry->left);
    __ZIP_ITER(fieldoffset, cb, context, elm_entry->right);
    cb(elm, context);
}

/**** amalgamated original file "/src/pubsub/ua_pubsub_config.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2020 Yannick Wallerer, Siemens AG
 * Copyright (c) 2020 Thomas Fischer, Siemens AG
 */


#ifdef UA_ENABLE_PUBSUB
#ifdef UA_ENABLE_PUBSUB_ETH_UADP
#endif
#endif


#ifdef UA_ENABLE_PUBSUB_FILE_CONFIG

static UA_StatusCode
createPubSubConnection(UA_Server *server,
                       const UA_PubSubConnectionDataType *connection,
                       UA_UInt32 pdsCount, UA_NodeId *pdsIdent);

static UA_StatusCode
createWriterGroup(UA_Server *server,
                  const UA_WriterGroupDataType *writerGroupParameters,
                  UA_NodeId connectionIdent, UA_UInt32 pdsCount,
                  const UA_NodeId *pdsIdent);

static UA_StatusCode
createDataSetWriter(UA_Server *server,
                    const UA_DataSetWriterDataType *dataSetWriterParameters,
                    UA_NodeId writerGroupIdent, UA_UInt32 pdsCount,
                    const UA_NodeId *pdsIdent);

static UA_StatusCode
createReaderGroup(UA_Server *server,
                  const UA_ReaderGroupDataType *readerGroupParameters,
                  UA_NodeId connectionIdent);

static UA_StatusCode
createDataSetReader(UA_Server *server,
                    const UA_DataSetReaderDataType *dataSetReaderParameters,
                    UA_NodeId readerGroupIdent);

static UA_StatusCode
createPublishedDataSet(UA_Server *server,
                       const UA_PublishedDataSetDataType *publishedDataSetParameters, 
                       UA_NodeId *publishedDataSetIdent);

static UA_StatusCode
createDataSetFields(UA_Server *server,
                    const UA_NodeId *publishedDataSetIdent,
                    const UA_PublishedDataSetDataType *publishedDataSetParameters);

static UA_StatusCode
generatePubSubConfigurationDataType(const UA_Server *server,
                                    UA_PubSubConfigurationDataType *pubSubConfiguration);

/* Gets PubSub Configuration from an ExtensionObject */
static UA_StatusCode
extractPubSubConfigFromExtensionObject(const UA_ExtensionObject *src,
                                       UA_PubSubConfigurationDataType **dst) {
    if(src->encoding != UA_EXTENSIONOBJECT_DECODED ||
       src->content.decoded.type != &UA_TYPES[UA_TYPES_UABINARYFILEDATATYPE]) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_extractPubSubConfigFromDecodedObject] "
                     "Reading extensionObject failed");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_UABinaryFileDataType *binFile = (UA_UABinaryFileDataType*)src->content.decoded.data;

    if(binFile->body.arrayLength != 0 || binFile->body.arrayDimensionsSize != 0) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_extractPubSubConfigFromDecodedObject] "
                     "Loading multiple configurations is not supported");
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    }

    if(binFile->body.type != &UA_TYPES[UA_TYPES_PUBSUBCONFIGURATIONDATATYPE]) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_extractPubSubConfigFromDecodedObject] "
                     "Invalid datatype encoded in the binary file");
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    *dst = (UA_PubSubConfigurationDataType*)binFile->body.data;
    return UA_STATUSCODE_GOOD;
}

/* Configures a PubSub Server with given PubSubConfigurationDataType object */
static UA_StatusCode
updatePubSubConfig(UA_Server *server,
                   const UA_PubSubConfigurationDataType *configurationParameters) {
    if(server == NULL || configurationParameters == NULL) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_updatePubSubConfig] Invalid argument");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_PubSubManager_delete(server, &server->pubSubManager);

    /* Configuration of Published DataSets: */
    UA_UInt32 pdsCount = (UA_UInt32)configurationParameters->publishedDataSetsSize;
    UA_NodeId *publishedDataSetIdent = (UA_NodeId*)UA_calloc(pdsCount, sizeof(UA_NodeId));
    if(!publishedDataSetIdent)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    for(UA_UInt32 i = 0; i < pdsCount; i++) {
        res = createPublishedDataSet(server,
                                     &configurationParameters->publishedDataSets[i], 
                                     &publishedDataSetIdent[i]);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_updatePubSubConfig] PDS creation failed");
            UA_free(publishedDataSetIdent);
            return res;
        }
    }

    /* Configuration of PubSub Connections: */
    if(configurationParameters->connectionsSize < 1) {
        UA_LOG_WARNING(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                       "[UA_PubSubManager_updatePubSubConfig] no connection in "
                       "UA_PubSubConfigurationDataType");
        UA_free(publishedDataSetIdent);
        return UA_STATUSCODE_GOOD;
    }

    for(size_t i = 0; i < configurationParameters->connectionsSize; i++) {
        res = createPubSubConnection(server,
                                     &configurationParameters->connections[i],
                                     pdsCount, publishedDataSetIdent);
        if(res != UA_STATUSCODE_GOOD)
            break;
    }

    UA_free(publishedDataSetIdent);
    return res;
}

/* Function called by UA_PubSubManager_createPubSubConnection to set the
 * PublisherId of a certain connection. */
static UA_StatusCode
setConnectionPublisherId(const UA_PubSubConnectionDataType *src,
                         UA_PubSubConnectionConfig *dst) {
    if(src->publisherId.type == &UA_TYPES[UA_TYPES_STRING]) {
        dst->publisherIdType = UA_PUBSUB_PUBLISHERID_STRING;
        dst->publisherId.string = *(UA_String*)src->publisherId.data;
    } else if(src->publisherId.type == &UA_TYPES[UA_TYPES_BYTE] ||
              src->publisherId.type == &UA_TYPES[UA_TYPES_UINT16] ||
              src->publisherId.type == &UA_TYPES[UA_TYPES_UINT32]) {
        dst->publisherIdType = UA_PUBSUB_PUBLISHERID_NUMERIC;
        dst->publisherId.numeric =  *(UA_UInt32*)src->publisherId.data;
    } else if(src->publisherId.type == &UA_TYPES[UA_TYPES_UINT64]) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_setConnectionPublisherId] PublisherId is UInt64 "
                     "(not implemented); Recommended dataType for PublisherId: UInt32");
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    } else {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_setConnectionPublisherId] PublisherId is not valid.");
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return UA_STATUSCODE_GOOD;
}

/* Function called by UA_PubSubManager_createPubSubConnection to create all WriterGroups
 * and ReaderGroups that belong to a certain connection. */
static UA_StatusCode
createComponentsForConnection(UA_Server *server,
                              const UA_PubSubConnectionDataType *connParams,
                              UA_NodeId connectionIdent, UA_UInt32 pdsCount,
                              const UA_NodeId *pdsIdent) {
    /* WriterGroups configuration */
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    for(size_t i = 0; i < connParams->writerGroupsSize; i++) {
        res = createWriterGroup(server, &connParams->writerGroups[i],
                                connectionIdent, pdsCount, pdsIdent);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_createComponentsForConnection] "
                         "Error occured during %d. WriterGroup Creation", (UA_UInt32)i+1);
            return res;
        }
    }

    /* ReaderGroups configuration */
    for(size_t j = 0; j < connParams->readerGroupsSize; j++) {
        res = createReaderGroup(server, &connParams->readerGroups[j], connectionIdent);
        if(res == UA_STATUSCODE_GOOD)
            res |= UA_PubSubConnection_regist(server, &connectionIdent);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_createComponentsForConnection] "
                         "Error occured during %d. ReaderGroup Creation", (UA_UInt32)j+1);
            return res;
        }
    }

    return res;
}

/* Checks if transportLayer for the specified transportProfileUri exists.
 * 
 * @param server Server object that shall be configured
 * @param transportProfileUri String that specifies the transport protocol */
static UA_Boolean
transportLayerExists(UA_Server *server, UA_String transportProfileUri) {
    for(size_t i = 0; i < server->config.pubSubConfig.transportLayersSize; i++) {
        if(UA_String_equal(&server->config.pubSubConfig.transportLayers[i].transportProfileUri,
                           &transportProfileUri)) {
            return true;
        }
    }
    return false;
}

/* Creates transportlayer for specified transport protocol if this layer doesn't exist yet */
static UA_StatusCode
createTransportLayer(UA_Server *server, const UA_String transportProfileUri) {
    if(transportLayerExists(server, transportProfileUri))
        return UA_STATUSCODE_GOOD;

    UA_ServerConfig *config = UA_Server_getConfig(server);
    UA_PubSubTransportLayer tl;

    do {
        UA_String strUDP =
            UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp");
        if(UA_String_equal(&transportProfileUri, &strUDP)) {
            tl = UA_PubSubTransportLayerUDPMP();
            break;
        }

#ifdef UA_ENABLE_PUBSUB_ETH_UADP
        UA_String strETH =
            UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-eth-uadp");
        if(UA_String_equal(&transportProfileUri, &strETH)) {
            tl = UA_PubSubTransportLayerEthernet();
            break;
        }
#endif

        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createTransportLayer] "
                     "invalid transportProfileUri");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    } while(0);

    if(config->pubSubConfig.transportLayersSize > 0) {
        config->pubSubConfig.transportLayers = (UA_PubSubTransportLayer *)
            UA_realloc(config->pubSubConfig.transportLayers,
                       (config->pubSubConfig.transportLayersSize + 1) *
                       sizeof(UA_PubSubTransportLayer));
    } else {
        config->pubSubConfig.transportLayers = (UA_PubSubTransportLayer *)
            UA_calloc(1, sizeof(UA_PubSubTransportLayer));
    }

    if(config->pubSubConfig.transportLayers == NULL) {
        UA_Server_delete(server);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    config->pubSubConfig.transportLayers[config->pubSubConfig.transportLayersSize] = tl;
    config->pubSubConfig.transportLayersSize++;
    return UA_STATUSCODE_GOOD;
}

/* Creates PubSubConnection configuration from PubSubConnectionDataType object
 * 
 * @param server Server object that shall be configured
 * @param connParams PubSub connection configuration
 * @param pdsCount Number of published DataSets
 * @param pdsIdent Array of NodeIds of the published DataSets */
static UA_StatusCode
createPubSubConnection(UA_Server *server, const UA_PubSubConnectionDataType *connParams, 
                       UA_UInt32 pdsCount, UA_NodeId *pdsIdent) {
    UA_PubSubConnectionConfig config;
    memset(&config, 0, sizeof(UA_PubSubConnectionConfig));

    config.name =                       connParams->name;
    config.enabled =                    connParams->enabled;
    config.transportProfileUri =        connParams->transportProfileUri;
    config.connectionPropertiesSize =   connParams->connectionPropertiesSize;
    if(config.connectionPropertiesSize > 0) {
        config.connectionProperties = connParams->connectionProperties;
    }

    UA_StatusCode res = setConnectionPublisherId(connParams, &config);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createPubSubConnection] "
                     "Setting PublisherId failed");
        return res;
    }

    if(connParams->address.encoding == UA_EXTENSIONOBJECT_DECODED) {
        UA_Variant_setScalar(&(config.address),
                             connParams->address.content.decoded.data,
                             connParams->address.content.decoded.type);
    } else {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createPubSubConnection] "
                     "Reading connection address failed");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    if(connParams->transportSettings.encoding == UA_EXTENSIONOBJECT_DECODED) {
        UA_Variant_setScalar(&(config.connectionTransportSettings),
                             connParams->transportSettings.content.decoded.data, 
                             connParams->transportSettings.content.decoded.type);
    } else {
        UA_LOG_WARNING(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                       "[UA_PubSubManager_createPubSubConnection] "
                       "TransportSettings can not be read");
    }

    res = createTransportLayer(server, connParams->transportProfileUri);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createPubSubConnection] "
                     "Creating transportLayer failed");
        return res;
    }

    /* Load connection config into server: */
    UA_NodeId connectionIdent;
    res = UA_Server_addPubSubConnection(server, &config, &connectionIdent);
    if(res == UA_STATUSCODE_GOOD) {
        /* Configuration of all Components that belong to this connection: */
        res = createComponentsForConnection(server, connParams, connectionIdent,
                                            pdsCount, pdsIdent);
    } else {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createPubSubConnection] "
                     "Connection creation failed");
    }

    return res;
}

/* Function called by UA_PubSubManager_createWriterGroup to configure the messageSettings
 * of a writerGroup */
static UA_StatusCode
setWriterGroupEncodingType(const UA_WriterGroupDataType *writerGroupParameters,
                           UA_WriterGroupConfig *config) {
    if(writerGroupParameters->messageSettings.encoding != UA_EXTENSIONOBJECT_DECODED) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_setWriterGroupEncodingType] "
                     "getting message type information failed");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    if(writerGroupParameters->messageSettings.content.decoded.type ==
       &UA_TYPES[UA_TYPES_UADPWRITERGROUPMESSAGEDATATYPE]) {
        config->encodingMimeType = UA_PUBSUB_ENCODING_UADP;
    } else if(writerGroupParameters->messageSettings.content.decoded.type ==
              &UA_TYPES[UA_TYPES_JSONWRITERGROUPMESSAGEDATATYPE]) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_setWriterGroupEncodingType] "
                     "encoding type: JSON (not implemented!)");
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    } else {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_setWriterGroupEncodingType] "
                     "invalid message encoding type");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    return UA_STATUSCODE_GOOD;
}

/* WriterGroup configuration from WriterGroup object
 *
 * @param server Server object that shall be configured
 * @param writerGroupParameters WriterGroup configuration
 * @param connectionIdent NodeId of the PubSub connection, the WriterGroup belongs to
 * @param pdsCount Number of published DataSets
 * @param pdsIdent Array of NodeIds of the published DataSets */
static UA_StatusCode
createWriterGroup(UA_Server *server,
                  const UA_WriterGroupDataType *writerGroupParameters,
                  UA_NodeId connectionIdent, UA_UInt32 pdsCount,
                  const UA_NodeId *pdsIdent) {
    UA_WriterGroupConfig config;
    memset(&config, 0, sizeof(UA_WriterGroupConfig));
    config.name =                  writerGroupParameters->name;
    config.enabled =               writerGroupParameters->enabled;
    config.writerGroupId =         writerGroupParameters->writerGroupId;
    config.publishingInterval =    writerGroupParameters->publishingInterval;
    config.keepAliveTime =         writerGroupParameters->keepAliveTime;
    config.priority =              writerGroupParameters->priority;
    config.securityMode =          writerGroupParameters->securityMode;
    config.transportSettings =     writerGroupParameters->transportSettings;
    config.messageSettings =       writerGroupParameters->messageSettings;
    config.groupPropertiesSize =   writerGroupParameters->groupPropertiesSize;
    if(config.groupPropertiesSize > 0)
        config.groupProperties = writerGroupParameters->groupProperties;

    config.maxEncapsulatedDataSetMessageCount = 255; /* non std parameter */

    UA_StatusCode res = setWriterGroupEncodingType(writerGroupParameters, &config);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createWriterGroup] "
                     "Setting message settings failed");
        return res;
    }

    /* Load config into server: */
    UA_NodeId writerGroupIdent;
    res = UA_Server_addWriterGroup(server, connectionIdent, &config, &writerGroupIdent);
    UA_Server_setWriterGroupOperational(server, writerGroupIdent);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createWriterGroup] "
                     "Adding WriterGroup to server failed: 0x%x", res);
        return res;
    }

    /* Configuration of all DataSetWriters that belong to this WriterGroup */
    for(size_t dsw = 0; dsw < writerGroupParameters->dataSetWritersSize; dsw++) {
        res = createDataSetWriter(server, &writerGroupParameters->dataSetWriters[dsw],
                                  writerGroupIdent, pdsCount, pdsIdent);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_createWriterGroup] "
                         "DataSetWriter Creation failed.");
            break;
        }
    }
    return res;
}

/* Function called by UA_PubSubManager_createDataSetWriter. It searches for a
 * PublishedDataSet that is referenced by the DataSetWriter. If a related PDS is found,
 * the DSWriter will be added to the server, otherwise, no DSWriter will be added.
 * 
 * @param server UA_Server object that shall be configured
 * @param writerGroupIdent NodeId of writerGroup, the DataSetWriter belongs to
 * @param dsWriterConfig WriterGroup configuration
 * @param pdsCount Number of published DataSets
 * @param pdsIdent Array of NodeIds of the published DataSets */
static UA_StatusCode
addDataSetWriterWithPdsReference(UA_Server *server, UA_NodeId writerGroupIdent,
                                 const UA_DataSetWriterConfig *dsWriterConfig,
                                 UA_UInt32 pdsCount, const UA_NodeId *pdsIdent) {
    UA_NodeId dataSetWriterIdent;
    UA_PublishedDataSetConfig pdsConfig;
    UA_Boolean pdsFound = false;

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    for(size_t pds = 0; pds < pdsCount && res == UA_STATUSCODE_GOOD; pds++) {
        res = UA_Server_getPublishedDataSetConfig(server, pdsIdent[pds], &pdsConfig);
        /* members of pdsConfig must be deleted manually */
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_addDataSetWriterWithPdsReference] "
                         "Getting pdsConfig from NodeId failed.");
            return res;
        }

        if(dsWriterConfig->dataSetName.length == pdsConfig.name.length &&
           0 == strncmp((const char *)dsWriterConfig->dataSetName.data,
                        (const char *)pdsConfig.name.data, 
                        dsWriterConfig->dataSetName.length)) {
            /* DSWriter will only be created, if a matching PDS is found: */
            res = UA_Server_addDataSetWriter(server, writerGroupIdent, pdsIdent[pds], 
                                             dsWriterConfig, &dataSetWriterIdent);
            if(res != UA_STATUSCODE_GOOD) {
                UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                             "[UA_PubSubManager_addDataSetWriterWithPdsReference] "
                             "Adding DataSetWriter failed");
            } else {
                pdsFound = true;
            }

            UA_PublishedDataSetConfig_clear(&pdsConfig);
            if(pdsFound)
                break; /* break loop if corresponding publishedDataSet was found */
        }
    }

    if(!pdsFound) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_addDataSetWriterWithPdsReference] "
                     "No matching DataSet found; no DataSetWriter created");
    }

    return res;
}

/* Creates DataSetWriter configuration from DataSetWriter object
 *
 * @param server UA_Server object that shall be configured
 * @param dataSetWriterParameters DataSetWriter Configuration
 * @param writerGroupIdent NodeId of writerGroup, the DataSetWriter belongs to
 * @param pdsCount Number of published DataSets
 * @param pdsIdent Array of NodeIds of the published DataSets */
static UA_StatusCode
createDataSetWriter(UA_Server *server,
                    const UA_DataSetWriterDataType *dataSetWriterParameters, 
                    UA_NodeId writerGroupIdent, UA_UInt32 pdsCount,
                    const UA_NodeId *pdsIdent) {
    UA_DataSetWriterConfig config;
    memset(&config, 0, sizeof(UA_DataSetWriterConfig));
    config.name = dataSetWriterParameters->name;
    config.dataSetWriterId = dataSetWriterParameters->dataSetWriterId;
    config.keyFrameCount = dataSetWriterParameters->keyFrameCount;
    config.dataSetFieldContentMask = dataSetWriterParameters->dataSetFieldContentMask;
    config.messageSettings = dataSetWriterParameters->messageSettings;
    config.dataSetName = dataSetWriterParameters->dataSetName;
    config.dataSetWriterPropertiesSize = dataSetWriterParameters->dataSetWriterPropertiesSize;
    if(config.dataSetWriterPropertiesSize > 0)
        config.dataSetWriterProperties = dataSetWriterParameters->dataSetWriterProperties;

    UA_StatusCode res = addDataSetWriterWithPdsReference(server, writerGroupIdent,
                                                         &config, pdsCount, pdsIdent);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createDataSetWriter] "
                     "Referencing related PDS failed");
    }

    return res;
}

/* Creates ReaderGroup configuration from ReaderGroup object
 *
 * @param server UA_Server object that shall be configured
 * @param readerGroupParameters ReaderGroup configuration
 * @param connectionIdent NodeId of the PubSub connection, the ReaderGroup belongs to */
static UA_StatusCode
createReaderGroup(UA_Server *server,
                  const UA_ReaderGroupDataType *readerGroupParameters, 
                  UA_NodeId connectionIdent) {
    UA_ReaderGroupConfig config;
    memset(&config, 0, sizeof(UA_ReaderGroupConfig));

    config.name = readerGroupParameters->name;
    config.securityParameters.securityMode = readerGroupParameters->securityMode;

    UA_NodeId readerGroupIdent;
    UA_StatusCode res =
        UA_Server_addReaderGroup(server, connectionIdent, &config, &readerGroupIdent);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createReaderGroup] Adding ReaderGroup "
                     "to server failed: 0x%x", res);
        return res;
    }

    UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                "[UA_PubSubManager_createReaderGroup] ReaderGroup successfully added.");
    for(UA_UInt32 i = 0; i < readerGroupParameters->dataSetReadersSize; i++) {
        res = createDataSetReader(server, &readerGroupParameters->dataSetReaders[i],
                                  readerGroupIdent);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_createReaderGroup] Creating DataSetReader failed");
            break;
        }
    }

    if(res == UA_STATUSCODE_GOOD)
        UA_Server_setReaderGroupOperational(server, readerGroupIdent);

    return res;
}

/* Creates TargetVariables or SubscribedDataSetMirror for a given DataSetReader
 *
 * @param server UA_Server object that shall be configured
 * @param dsReaderIdent NodeId of the DataSetReader the SubscribedDataSet belongs to
 * @param dataSetReaderParameters Configuration Parameters of the DataSetReader */
static UA_StatusCode
addSubscribedDataSet(UA_Server *server, const UA_NodeId dsReaderIdent, 
                     const UA_ExtensionObject *subscribedDataSet) {
    if(subscribedDataSet->content.decoded.type ==
       &UA_TYPES[UA_TYPES_TARGETVARIABLESDATATYPE]) {
        UA_TargetVariablesDataType *tmpTargetVars = (UA_TargetVariablesDataType*)
            subscribedDataSet->content.decoded.data;
        UA_FieldTargetVariable *targetVars = (UA_FieldTargetVariable *)
            UA_calloc(tmpTargetVars->targetVariablesSize, sizeof(UA_FieldTargetVariable));

        for(size_t index = 0; index < tmpTargetVars->targetVariablesSize; index++) {
            UA_FieldTargetDataType_copy(&tmpTargetVars->targetVariables[index],
                                        &targetVars[index].targetVariable);
        }

        UA_StatusCode res =
            UA_Server_DataSetReader_createTargetVariables(server, dsReaderIdent,
                                                          tmpTargetVars->targetVariablesSize,
                                                          targetVars);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_addSubscribedDataSet] "
                         "create TargetVariables failed");
        }

        for(size_t index = 0; index < tmpTargetVars->targetVariablesSize; index++) {
            UA_FieldTargetDataType_clear(&targetVars[index].targetVariable);
        }

        UA_free(targetVars);
        return res;
    }

    if(subscribedDataSet->content.decoded.type ==
       &UA_TYPES[UA_TYPES_SUBSCRIBEDDATASETMIRRORDATATYPE]) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_addSubscribedDataSet] "
                     "DataSetMirror is currently not supported");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                 "[UA_PubSubManager_addSubscribedDataSet] "
                 "Invalid Type of SubscribedDataSet");
    return UA_STATUSCODE_BADINTERNALERROR;
}

/* Creates DataSetReader configuration from DataSetReader object
 *
 * @param server UA_Server object that shall be configured
 * @param dataSetReaderParameters DataSetReader configuration
 * @param writerGroupIdent NodeId of readerGroupParameters, the DataSetReader belongs to */
static UA_StatusCode
createDataSetReader(UA_Server *server, const UA_DataSetReaderDataType *dsrParams, 
                    UA_NodeId readerGroupIdent) {
    UA_DataSetReaderConfig config;
    memset(&config, 0, sizeof(UA_DataSetReaderConfig));

    config.name = dsrParams->name;
    config.publisherId = dsrParams->publisherId;
    config.writerGroupId = dsrParams->writerGroupId;
    config.dataSetWriterId = dsrParams->dataSetWriterId;
    config.dataSetMetaData = dsrParams->dataSetMetaData;
    config.dataSetFieldContentMask = dsrParams->dataSetFieldContentMask;
    config.messageReceiveTimeout =  dsrParams->messageReceiveTimeout;
    config.messageSettings = dsrParams->messageSettings;

    UA_NodeId dsReaderIdent;
    UA_StatusCode res = UA_Server_addDataSetReader(server, readerGroupIdent,
                                                   &config, &dsReaderIdent);
    if(res == UA_STATUSCODE_GOOD)
        res = addSubscribedDataSet(server, dsReaderIdent,
                                   &dsrParams->subscribedDataSet);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createDataSetReader] "
                     "create subscribedDataSet failed");
    }

    return res;
}

/* Determines whether PublishedDataSet is of type PublishedItems or PublishedEvents.
 * (PublishedEvents are currently not supported!)
 *
 * @param publishedDataSetParameters PublishedDataSet parameters
 * @param config PublishedDataSet configuration object */
static UA_StatusCode
setPublishedDataSetType(const UA_PublishedDataSetDataType *pdsParams,
                        UA_PublishedDataSetConfig *config) {
    if(pdsParams->dataSetSource.encoding != UA_EXTENSIONOBJECT_DECODED)
        return UA_STATUSCODE_BADINTERNALERROR;

    const UA_DataType *sourceType = pdsParams->dataSetSource.content.decoded.type;
    if(sourceType == &UA_TYPES[UA_TYPES_PUBLISHEDDATAITEMSDATATYPE]) {
        config->publishedDataSetType = UA_PUBSUB_DATASET_PUBLISHEDITEMS;
        return UA_STATUSCODE_GOOD;
    } else if(sourceType == &UA_TYPES[UA_TYPES_PUBLISHEDEVENTSDATATYPE]) {
        /* config.publishedDataSetType = UA_PUBSUB_DATASET_PUBLISHEDEVENTS; */
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_setPublishedDataSetType] Published events not supported.");
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    }

    UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                 "[UA_PubSubManager_setPublishedDataSetType] Invalid DataSetSourceDataType.");
    return UA_STATUSCODE_BADINTERNALERROR;
}

/* Creates PublishedDataSetConfig object from PublishedDataSet object
 *
 * @param server UA_Server object that shall be configured
 * @param pdsParams publishedDataSet configuration
 * @param pdsIdent NodeId of the publishedDataSet */
static UA_StatusCode
createPublishedDataSet(UA_Server *server,
                       const UA_PublishedDataSetDataType *pdsParams, 
                       UA_NodeId *pdsIdent) {
    UA_PublishedDataSetConfig config;
    memset(&config, 0, sizeof(UA_PublishedDataSetConfig));

    config.name = pdsParams->name;
    UA_StatusCode res = setPublishedDataSetType(pdsParams, &config);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    res = UA_Server_addPublishedDataSet(server, &config, pdsIdent).addResult;
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createPublishedDataSet] "
                     "Adding PublishedDataSet failed.");
        return res;
    }

    /* DataSetField configuration for this publishedDataSet: */
    res = createDataSetFields(server, pdsIdent, pdsParams);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createPublishedDataSet] "
                     "Creating DataSetFieldConfig failed.");
    }

    return res;
}

/* Adds DataSetField Variables bound to a certain PublishedDataSet. This method does NOT
 * check, whether the PublishedDataSet actually contains Variables instead of Events!
 *
 * @param server UA_Server object that shall be configured
 * @param pdsIdent NodeId of the publishedDataSet, the DataSetField belongs to
 * @param publishedDataSetParameters publishedDataSet configuration */
static UA_StatusCode
addDataSetFieldVariables(UA_Server *server, const UA_NodeId *pdsIdent,
                         const UA_PublishedDataSetDataType *pdsParams) {
    UA_PublishedDataItemsDataType *pdItems = (UA_PublishedDataItemsDataType *)
        pdsParams->dataSetSource.content.decoded.data;
    if(pdItems->publishedDataSize != pdsParams->dataSetMetaData.fieldsSize)
        return UA_STATUSCODE_BADINTERNALERROR;

    for(size_t i = 0; i < pdItems->publishedDataSize; i++) {
        UA_DataSetFieldConfig fc;
        memset(&fc, 0, sizeof(UA_DataSetFieldConfig));
        fc.dataSetFieldType = UA_PUBSUB_DATASETFIELD_VARIABLE;
        fc.field.variable.configurationVersion = pdsParams->dataSetMetaData.configurationVersion;
        fc.field.variable.fieldNameAlias = pdsParams->dataSetMetaData.fields[i].name;
        fc.field.variable.promotedField = pdsParams->dataSetMetaData.
            fields[i].fieldFlags & 0x0001;
        fc.field.variable.publishParameters = pdItems->publishedData[i];

        UA_NodeId fieldIdent;
        UA_StatusCode res = UA_Server_addDataSetField(server, *pdsIdent, &fc, &fieldIdent).result;
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_addDataSetFieldVariables] "
                         "Adding DataSetField Variable failed.");
            return res;
        }
    }

    return UA_STATUSCODE_GOOD;
}

/* Checks if PublishedDataSet contains event or variable fields and calls the
 * corresponding method to add these fields to the server.
 *
 * @param server UA_Server object that shall be configured
 * @param pdsIdent NodeId of the publishedDataSet, the DataSetFields belongs to
 * @param pdsParams publishedDataSet configuration */
static UA_StatusCode
createDataSetFields(UA_Server *server, const UA_NodeId *pdsIdent,
                    const UA_PublishedDataSetDataType *pdsParams) {
    if(pdsParams->dataSetSource.encoding != UA_EXTENSIONOBJECT_DECODED)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(pdsParams->dataSetSource.content.decoded.type ==
       &UA_TYPES[UA_TYPES_PUBLISHEDDATAITEMSDATATYPE])
        return addDataSetFieldVariables(server, pdsIdent, pdsParams);

    /* TODO: Implement Routine for adding Event DataSetFields */
    if(pdsParams->dataSetSource.content.decoded.type ==
       &UA_TYPES[UA_TYPES_PUBLISHEDEVENTSDATATYPE]) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_createDataSetFields] "
                     "Published events not supported.");
        return UA_STATUSCODE_BADNOTIMPLEMENTED;
    }

    UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                 "[UA_PubSubManager_createDataSetFields] "
                 "Invalid DataSetSourceDataType.");
    return UA_STATUSCODE_BADINTERNALERROR;
}

UA_StatusCode
UA_PubSubManager_loadPubSubConfigFromByteString(UA_Server *server,
                                                const UA_ByteString buffer) {
    size_t offset = 0;
    UA_ExtensionObject decodedFile;
    UA_StatusCode res = UA_ExtensionObject_decodeBinary(&buffer, &offset, &decodedFile);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_decodeBinFile] decoding UA_Binary failed");
        goto cleanup;
    }

    UA_PubSubConfigurationDataType *pubSubConfig = NULL;
    res = extractPubSubConfigFromExtensionObject(&decodedFile, &pubSubConfig);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_loadPubSubConfigFromByteString] "
                     "Extracting PubSub Configuration failed");
        goto cleanup;
    }

    res = updatePubSubConfig(server, pubSubConfig);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_loadPubSubConfigFromByteString] "
                     "Loading PubSub configuration into server failed");
        goto cleanup;
    }

 cleanup:
    UA_ExtensionObject_clear(&decodedFile);
    return res;
}

/* Encodes a PubSubConfigurationDataType object as ByteString using the UA Binary Data
 * Encoding */
static UA_StatusCode
encodePubSubConfiguration(UA_PubSubConfigurationDataType *configurationParameters,
                          UA_ByteString *buffer) {
    UA_UABinaryFileDataType binFile;
    memset(&binFile, 0, sizeof(UA_UABinaryFileDataType));
    /*Perhaps, additional initializations of binFile are necessary here.*/

    UA_Variant_setScalar(&binFile.body, configurationParameters,
                         &UA_TYPES[UA_TYPES_PUBSUBCONFIGURATIONDATATYPE]);

    UA_ExtensionObject container;
    memset(&container, 0, sizeof(UA_ExtensionObject));
    container.encoding = UA_EXTENSIONOBJECT_DECODED;
    container.content.decoded.type = &UA_TYPES[UA_TYPES_UABINARYFILEDATATYPE];
    container.content.decoded.data = &binFile;

    size_t fileSize = UA_ExtensionObject_calcSizeBinary(&container);
    buffer->data = (UA_Byte*)UA_calloc(fileSize, sizeof(UA_Byte));
    if(buffer->data == NULL) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_encodePubSubConfiguration] Allocating buffer failed");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    buffer->length = fileSize;

    UA_Byte *bufferPos = buffer->data;
    UA_StatusCode res =
        UA_ExtensionObject_encodeBinary(&container, &bufferPos, bufferPos + fileSize);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "[UA_PubSubManager_encodePubSubConfiguration] Encoding failed");
    }
    return res;
}

static UA_StatusCode
generatePublishedDataSetDataType(const UA_PublishedDataSet *src,
                                 UA_PublishedDataSetDataType *dst) {
    if(src->config.publishedDataSetType != UA_PUBSUB_DATASET_PUBLISHEDITEMS)
        return UA_STATUSCODE_BADNOTIMPLEMENTED;

    memset(dst, 0, sizeof(UA_PublishedDataSetDataType));

    UA_PublishedDataItemsDataType *tmp = UA_PublishedDataItemsDataType_new();
    UA_String_copy(&src->config.name, &dst->name);
    dst->dataSetMetaData.fieldsSize = src->fieldSize;

    size_t index = 0;
    tmp->publishedDataSize = src->fieldSize;
    tmp->publishedData = (UA_PublishedVariableDataType*)
        UA_Array_new(tmp->publishedDataSize, &UA_TYPES[UA_TYPES_PUBLISHEDVARIABLEDATATYPE]);
    if(tmp->publishedData == NULL) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Allocation memory failed");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    dst->dataSetMetaData.fields = (UA_FieldMetaData*)
        UA_Array_new(dst->dataSetMetaData.fieldsSize, &UA_TYPES[UA_TYPES_FIELDMETADATA]);
    if(dst->dataSetMetaData.fields == NULL) {
        UA_free(tmp->publishedData);
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Allocation memory failed");
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_DataSetField *dsf, *dsf_tmp = NULL;
    TAILQ_FOREACH_SAFE(dsf ,&src->fields, listEntry, dsf_tmp) {
        UA_String_copy(&dsf->config.field.variable.fieldNameAlias,
                       &dst->dataSetMetaData.fields[index].name);
        UA_PublishedVariableDataType_copy(&dsf->config.field.variable.publishParameters,
                                          &tmp->publishedData[index]);
        UA_ConfigurationVersionDataType_copy(&dsf->config.field.variable.configurationVersion,
                                             &dst->dataSetMetaData.configurationVersion);
        dst->dataSetMetaData.fields[index].fieldFlags =
            dsf->config.field.variable.promotedField;
        index++;
    }
    UA_ExtensionObject_setValue(&dst->dataSetSource, tmp,
                                &UA_TYPES[UA_TYPES_PUBLISHEDDATAITEMSDATATYPE]);

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
generateDataSetWriterDataType(const UA_DataSetWriter *src,
                              UA_DataSetWriterDataType *dst) {
    memset(dst, 0, sizeof(UA_DataSetWriterDataType));

    UA_String_copy(&src->config.name, &dst->name);
    dst->dataSetWriterId = src->config.dataSetWriterId;
    dst->keyFrameCount = src->config.keyFrameCount;
    dst->dataSetFieldContentMask = src->config.dataSetFieldContentMask;
    UA_ExtensionObject_copy(&src->config.messageSettings, &dst->messageSettings);
    UA_String_copy(&src->config.dataSetName, &dst->dataSetName);

    dst->dataSetWriterPropertiesSize = src->config.dataSetWriterPropertiesSize;
    for(size_t i = 0; i < src->config.dataSetWriterPropertiesSize; i++) {
        UA_KeyValuePair_copy(&src->config.dataSetWriterProperties[i],
                             &dst->dataSetWriterProperties[i]);
    }

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
generateWriterGroupDataType(const UA_WriterGroup *src,
                            UA_WriterGroupDataType *dst) {
    memset(dst, 0, sizeof(UA_WriterGroupDataType));

    UA_String_copy(&src->config.name, &dst->name);
    dst->enabled = src->config.enabled;
    dst->writerGroupId = src->config.writerGroupId;
    dst->publishingInterval = src->config.publishingInterval;
    dst->keepAliveTime = src->config.keepAliveTime;
    dst->priority = src->config.priority;
    dst->securityMode = src->config.securityMode;

    UA_ExtensionObject_copy(&src->config.transportSettings, &dst->transportSettings);
    UA_ExtensionObject_copy(&src->config.messageSettings, &dst->messageSettings);

    dst->groupPropertiesSize = src->config.groupPropertiesSize;
    dst->groupProperties = (UA_KeyValuePair*)
        UA_Array_new(dst->groupPropertiesSize, &UA_TYPES[UA_TYPES_KEYVALUEPAIR]);
    for(size_t index = 0; index < dst->groupPropertiesSize; index++) {
        UA_KeyValuePair_copy(&src->config.groupProperties[index],
                             &dst->groupProperties[index]);
    }

    dst->dataSetWriters = (UA_DataSetWriterDataType*)
        UA_calloc(src->writersCount, sizeof(UA_DataSetWriterDataType));
    if(!dst->dataSetWriters)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    dst->dataSetWritersSize = src->writersCount;

    UA_DataSetWriter *dsw;
    size_t dsWriterIndex = 0;
    LIST_FOREACH(dsw, &src->writers, listEntry) {
        UA_StatusCode res =
            generateDataSetWriterDataType(dsw, &dst->dataSetWriters[dsWriterIndex]);
        if(res != UA_STATUSCODE_GOOD)
            return res;
        dsWriterIndex++;
    }

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
generateDataSetReaderDataType(const UA_DataSetReader *src,
                              UA_DataSetReaderDataType *dst) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    memset(dst, 0, sizeof(UA_DataSetReaderDataType));
    dst->writerGroupId = src->config.writerGroupId;
    dst->dataSetWriterId = src->config.dataSetWriterId;
    dst->dataSetFieldContentMask = src->config.dataSetFieldContentMask;
    dst->messageReceiveTimeout = src->config.messageReceiveTimeout;
    res |= UA_String_copy(&src->config.name, &dst->name);
    res |= UA_Variant_copy(&src->config.publisherId, &dst->publisherId);
    res |= UA_DataSetMetaDataType_copy(&src->config.dataSetMetaData,
                                       &dst->dataSetMetaData);
    res |= UA_ExtensionObject_copy(&src->config.messageSettings, &dst->messageSettings);

    UA_TargetVariablesDataType *tmpTarget = UA_TargetVariablesDataType_new();
    if(!tmpTarget)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    UA_ExtensionObject_setValue(&dst->subscribedDataSet, tmpTarget,
                                &UA_TYPES[UA_TYPES_TARGETVARIABLESDATATYPE]);

    const UA_TargetVariables *targets =
        &src->config.subscribedDataSet.subscribedDataSetTarget;
    tmpTarget->targetVariables = (UA_FieldTargetDataType *)
        UA_calloc(targets->targetVariablesSize, sizeof(UA_FieldTargetDataType));
    if(!tmpTarget->targetVariables)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    tmpTarget->targetVariablesSize = targets->targetVariablesSize;

    for(size_t i = 0; i < tmpTarget->targetVariablesSize; i++) {
        res |= UA_FieldTargetDataType_copy(&targets->targetVariables[i].targetVariable,
                                           &tmpTarget->targetVariables[i]);
    }

    return res;
}

static UA_StatusCode
generateReaderGroupDataType(const UA_ReaderGroup *src,
                            UA_ReaderGroupDataType *dst) {
    memset(dst, 0, sizeof(UA_ReaderGroupDataType));

    UA_String_copy(&src->config.name, &dst->name);
    dst->dataSetReaders = (UA_DataSetReaderDataType*)
        UA_calloc(src->readersCount, sizeof(UA_DataSetReaderDataType));
    if(dst->dataSetReaders == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    dst->dataSetReadersSize = src->readersCount;

    size_t i = 0;
    UA_DataSetReader *dsr, *dsr_tmp = NULL;
    LIST_FOREACH_SAFE(dsr, &src->readers, listEntry, dsr_tmp) {
        UA_StatusCode res =
            generateDataSetReaderDataType(dsr, &dst->dataSetReaders[i]);
        if(res != UA_STATUSCODE_GOOD)
            return res;
        i++;
    }

    return UA_STATUSCODE_GOOD;
}

/* Generates a PubSubConnectionDataType object from a PubSubConnection. */
static UA_StatusCode
generatePubSubConnectionDataType(const UA_PubSubConnection *src,
                                 UA_PubSubConnectionDataType *dst) {
    memset(dst, 0, sizeof(UA_PubSubConnectionDataType));

    UA_String_copy(&src->config->name, &dst->name);
    UA_String_copy(&src->config->transportProfileUri, &dst->transportProfileUri);
    dst->enabled = src->config->enabled;

    dst->connectionPropertiesSize = src->config->connectionPropertiesSize;
    for(size_t i = 0; i < src->config->connectionPropertiesSize; i++) {
        UA_KeyValuePair_copy(&src->config->connectionProperties[i],
                             &dst->connectionProperties[i]);
    }

    if(src->config->publisherIdType == UA_PUBSUB_PUBLISHERID_NUMERIC) {
        UA_Variant_setScalarCopy(&dst->publisherId,
                                 &src->config->publisherId.numeric,
                                 &UA_TYPES[UA_TYPES_UINT32]);
    } else if(src->config->publisherIdType == UA_PUBSUB_PUBLISHERID_STRING) {
        UA_Variant_setScalarCopy(&dst->publisherId,
                                 &src->config->publisherId.string,
                                 &UA_TYPES[UA_TYPES_STRING]);
    }

    /* Possibly, array size and dimensions of src->config->address and
     * src->config->connectionTransportSettings should be checked beforehand. */
    dst->address.encoding = UA_EXTENSIONOBJECT_DECODED;
    dst->address.content.decoded.type = src->config->address.type;
    UA_StatusCode res =
        UA_Array_copy(src->config->address.data, 1,
                      &dst->address.content.decoded.data, src->config->address.type);
    if(res != UA_STATUSCODE_GOOD)
        return res;

    if(src->config->connectionTransportSettings.data) {
        dst->transportSettings.encoding = UA_EXTENSIONOBJECT_DECODED;
        dst->transportSettings.content.decoded.type =
            src->config->connectionTransportSettings.type;
        res = UA_Array_copy(src->config->connectionTransportSettings.data, 1, 
                            &dst->transportSettings.content.decoded.data,
                            src->config->connectionTransportSettings.type);

        if(res != UA_STATUSCODE_GOOD)
            return res;
    }

    dst->writerGroups = (UA_WriterGroupDataType*)
        UA_calloc(src->writerGroupsSize, sizeof(UA_WriterGroupDataType));
    if(dst->writerGroups == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    dst->writerGroupsSize = src->writerGroupsSize;
    UA_WriterGroup *wg, *wg_tmp = NULL;
    size_t wgIndex = 0;
    LIST_FOREACH_SAFE(wg ,&src->writerGroups, listEntry, wg_tmp) {
        res = generateWriterGroupDataType(wg, &dst->writerGroups[wgIndex]);
        if(res != UA_STATUSCODE_GOOD)
            return res;
        wgIndex++;
    }

    dst->readerGroups = (UA_ReaderGroupDataType*)
        UA_calloc(src->readerGroupsSize, sizeof(UA_ReaderGroupDataType));
    if(dst->readerGroups == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    dst->readerGroupsSize = src->readerGroupsSize;
    UA_ReaderGroup *rg = NULL;
    size_t rgIndex = 0;
    LIST_FOREACH(rg, &src->readerGroups, listEntry) {
        res = generateReaderGroupDataType(rg, &dst->readerGroups[rgIndex]);
        if(res != UA_STATUSCODE_GOOD)
            return res;
        rgIndex++;
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
generatePubSubConfigurationDataType(const UA_Server* server,
                                    UA_PubSubConfigurationDataType *configDT) {
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    const UA_PubSubManager *manager = &server->pubSubManager;
    memset(configDT, 0, sizeof(UA_PubSubConfigurationDataType));

    configDT->publishedDataSets = (UA_PublishedDataSetDataType*)
        UA_calloc(manager->publishedDataSetsSize,
                  sizeof(UA_PublishedDataSetDataType));
    if(configDT->publishedDataSets == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    configDT->publishedDataSetsSize = manager->publishedDataSetsSize;

    UA_PublishedDataSet *pds;
    UA_UInt32 pdsIndex = 0;
    TAILQ_FOREACH(pds, &manager->publishedDataSets, listEntry) {
        UA_PublishedDataSetDataType *dst = &configDT->publishedDataSets[pdsIndex];
        res = generatePublishedDataSetDataType(pds, dst);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_generatePubSubConfigurationDataType] "
                         "retrieving PublishedDataSet configuration failed");
            return res;
        }
        pdsIndex++;
    }

    configDT->connections = (UA_PubSubConnectionDataType*)
        UA_calloc(manager->connectionsSize, sizeof(UA_PubSubConnectionDataType));
    if(configDT->connections == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    configDT->connectionsSize = manager->connectionsSize;

    UA_UInt32 connectionIndex = 0;
    UA_PubSubConnection *connection;
    TAILQ_FOREACH(connection, &manager->connections, listEntry) {
        UA_PubSubConnectionDataType *cdt = &configDT->connections[connectionIndex];
        res = generatePubSubConnectionDataType(connection, cdt);
        if(res != UA_STATUSCODE_GOOD) {
            UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                         "[UA_PubSubManager_generatePubSubConfigurationDataType] "
                         "retrieving PubSubConnection configuration failed");
            return res;
        }
        connectionIndex++;                                                         
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_PubSubManager_getEncodedPubSubConfiguration(UA_Server *server,
                                               UA_ByteString *buffer) {
    UA_PubSubConfigurationDataType config;
    memset(&config, 0, sizeof(UA_PubSubConfigurationDataType));

    UA_StatusCode res = generatePubSubConfigurationDataType(server, &config);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "retrieving PubSub configuration from server failed");
        goto cleanup;
    }

    res = encodePubSubConfiguration(&config, buffer);
    if(res != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                     "encoding PubSub configuration failed");
        goto cleanup;
    }

    UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                "Saving PubSub config was successful");

 cleanup:
    UA_PubSubConfigurationDataType_clear(&config);
    return res;
}

#endif /* UA_ENABLE_PUBSUB_FILE_CONFIG */

/**** amalgamated original file "/build/src_generated/open62541/namespace0_generated.c" ****/

/* WARNING: This is a generated file.
 * Any manual changes will be overwritten. */



/* HasAddIn - ns=0;i=17604 */

static UA_StatusCode function_namespace0_generated_0_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ReferenceTypeAttributes attr = UA_ReferenceTypeAttributes_default;
attr.inverseName  = UA_LOCALIZEDTEXT("", "AddInOf");
attr.displayName = UA_LOCALIZEDTEXT("", "HasAddIn");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_REFERENCETYPE,
UA_NODEID_NUMERIC(ns[0], 17604LU),
UA_NODEID_NUMERIC(ns[0], 32LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "HasAddIn"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_0_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 17604LU)
);
}

/* HasHistoricalConfiguration - ns=0;i=56 */

static UA_StatusCode function_namespace0_generated_1_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ReferenceTypeAttributes attr = UA_ReferenceTypeAttributes_default;
attr.inverseName  = UA_LOCALIZEDTEXT("", "HistoricalConfigurationOf");
attr.displayName = UA_LOCALIZEDTEXT("", "HasHistoricalConfiguration");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_REFERENCETYPE,
UA_NODEID_NUMERIC(ns[0], 56LU),
UA_NODEID_NUMERIC(ns[0], 44LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "HasHistoricalConfiguration"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_1_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 56LU)
);
}

/* HasEffect - ns=0;i=54 */

static UA_StatusCode function_namespace0_generated_2_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ReferenceTypeAttributes attr = UA_ReferenceTypeAttributes_default;
attr.inverseName  = UA_LOCALIZEDTEXT("", "MayBeEffectedBy");
attr.displayName = UA_LOCALIZEDTEXT("", "HasEffect");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_REFERENCETYPE,
UA_NODEID_NUMERIC(ns[0], 54LU),
UA_NODEID_NUMERIC(ns[0], 32LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "HasEffect"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_2_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 54LU)
);
}

/* HasCause - ns=0;i=53 */

static UA_StatusCode function_namespace0_generated_3_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ReferenceTypeAttributes attr = UA_ReferenceTypeAttributes_default;
attr.inverseName  = UA_LOCALIZEDTEXT("", "MayBeCausedBy");
attr.displayName = UA_LOCALIZEDTEXT("", "HasCause");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_REFERENCETYPE,
UA_NODEID_NUMERIC(ns[0], 53LU),
UA_NODEID_NUMERIC(ns[0], 32LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "HasCause"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_3_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 53LU)
);
}

/* ToState - ns=0;i=52 */

static UA_StatusCode function_namespace0_generated_4_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ReferenceTypeAttributes attr = UA_ReferenceTypeAttributes_default;
attr.inverseName  = UA_LOCALIZEDTEXT("", "FromTransition");
attr.displayName = UA_LOCALIZEDTEXT("", "ToState");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_REFERENCETYPE,
UA_NODEID_NUMERIC(ns[0], 52LU),
UA_NODEID_NUMERIC(ns[0], 32LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ToState"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_4_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 52LU)
);
}

/* FromState - ns=0;i=51 */

static UA_StatusCode function_namespace0_generated_5_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ReferenceTypeAttributes attr = UA_ReferenceTypeAttributes_default;
attr.inverseName  = UA_LOCALIZEDTEXT("", "ToTransition");
attr.displayName = UA_LOCALIZEDTEXT("", "FromState");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_REFERENCETYPE,
UA_NODEID_NUMERIC(ns[0], 51LU),
UA_NODEID_NUMERIC(ns[0], 32LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "FromState"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_5_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 51LU)
);
}

/* DiagnosticInfo - ns=0;i=25 */

static UA_StatusCode function_namespace0_generated_6_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "DiagnosticInfo");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 25LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DiagnosticInfo"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_6_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 25LU)
);
}

/* DataValue - ns=0;i=23 */

static UA_StatusCode function_namespace0_generated_7_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "DataValue");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 23LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DataValue"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_7_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 23LU)
);
}

/* Structure - ns=0;i=22 */

static UA_StatusCode function_namespace0_generated_8_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "Structure");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Structure"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_8_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 22LU)
);
}

/* TimeZoneDataType - ns=0;i=8912 */

static UA_StatusCode function_namespace0_generated_9_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "TimeZoneDataType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 8912LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "TimeZoneDataType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_9_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 8912LU)
);
}

/* EUInformation - ns=0;i=887 */

static UA_StatusCode function_namespace0_generated_10_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "EUInformation");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 887LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "EUInformation"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_10_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 887LU)
);
}

/* Range - ns=0;i=884 */

static UA_StatusCode function_namespace0_generated_11_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Range");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 884LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Range"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_11_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 884LU)
);
}

/* ServerStatusDataType - ns=0;i=862 */

static UA_StatusCode function_namespace0_generated_12_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerStatusDataType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 862LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ServerStatusDataType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_12_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 862LU)
);
}

/* EnumValueType - ns=0;i=7594 */

static UA_StatusCode function_namespace0_generated_13_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "EnumValueType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 7594LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "EnumValueType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_13_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 7594LU)
);
}

/* SignedSoftwareCertificate - ns=0;i=344 */

static UA_StatusCode function_namespace0_generated_14_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "SignedSoftwareCertificate");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 344LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "SignedSoftwareCertificate"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_14_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 344LU)
);
}

/* BuildInfo - ns=0;i=338 */

static UA_StatusCode function_namespace0_generated_15_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "BuildInfo");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 338LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "BuildInfo"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_15_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 338LU)
);
}

/* Argument - ns=0;i=296 */

static UA_StatusCode function_namespace0_generated_16_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Argument");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 296LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Argument"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_16_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 296LU)
);
}

/* Union - ns=0;i=12756 */

static UA_StatusCode function_namespace0_generated_17_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "Union");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 12756LU),
UA_NODEID_NUMERIC(ns[0], 22LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Union"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_17_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 12756LU)
);
}

/* LocalizedText - ns=0;i=21 */

static UA_StatusCode function_namespace0_generated_18_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "LocalizedText");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 21LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "LocalizedText"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_18_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 21LU)
);
}

/* QualifiedName - ns=0;i=20 */

static UA_StatusCode function_namespace0_generated_19_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "QualifiedName");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 20LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "QualifiedName"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_19_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 20LU)
);
}

/* StatusCode - ns=0;i=19 */

static UA_StatusCode function_namespace0_generated_20_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "StatusCode");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 19LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "StatusCode"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_20_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 19LU)
);
}

/* ExpandedNodeId - ns=0;i=18 */

static UA_StatusCode function_namespace0_generated_21_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ExpandedNodeId");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 18LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ExpandedNodeId"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_21_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 18LU)
);
}

/* NodeId - ns=0;i=17 */

static UA_StatusCode function_namespace0_generated_22_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "NodeId");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 17LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "NodeId"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_22_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 17LU)
);
}

/* XmlElement - ns=0;i=16 */

static UA_StatusCode function_namespace0_generated_23_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "XmlElement");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 16LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "XmlElement"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_23_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 16LU)
);
}

/* ByteString - ns=0;i=15 */

static UA_StatusCode function_namespace0_generated_24_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ByteString");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 15LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ByteString"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_24_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 15LU)
);
}

/* Image - ns=0;i=30 */

static UA_StatusCode function_namespace0_generated_25_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "Image");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 30LU),
UA_NODEID_NUMERIC(ns[0], 15LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Image"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_25_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 30LU)
);
}

/* Guid - ns=0;i=14 */

static UA_StatusCode function_namespace0_generated_26_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Guid");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 14LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Guid"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_26_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 14LU)
);
}

/* DateTime - ns=0;i=13 */

static UA_StatusCode function_namespace0_generated_27_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "DateTime");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 13LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DateTime"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_27_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 13LU)
);
}

/* UtcTime - ns=0;i=294 */

static UA_StatusCode function_namespace0_generated_28_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "UtcTime");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 294LU),
UA_NODEID_NUMERIC(ns[0], 13LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "UtcTime"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_28_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 294LU)
);
}

/* String - ns=0;i=12 */

static UA_StatusCode function_namespace0_generated_29_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "String");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 12LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "String"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_29_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 12LU)
);
}

/* LocaleId - ns=0;i=295 */

static UA_StatusCode function_namespace0_generated_30_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "LocaleId");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 295LU),
UA_NODEID_NUMERIC(ns[0], 12LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "LocaleId"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_30_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 295LU)
);
}

/* Boolean - ns=0;i=1 */

static UA_StatusCode function_namespace0_generated_31_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Boolean");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 1LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Boolean"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_31_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 1LU)
);
}

/* Enumeration - ns=0;i=29 */

static UA_StatusCode function_namespace0_generated_32_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "Enumeration");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 29LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Enumeration"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_32_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 29LU)
);
}

/* ServerState - ns=0;i=852 */

static UA_StatusCode function_namespace0_generated_33_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerState");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 852LU),
UA_NODEID_NUMERIC(ns[0], 29LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ServerState"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_33_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 852LU)
);
}

/* RedundancySupport - ns=0;i=851 */

static UA_StatusCode function_namespace0_generated_34_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "RedundancySupport");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 851LU),
UA_NODEID_NUMERIC(ns[0], 29LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "RedundancySupport"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_34_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 851LU)
);
}

/* EnumStrings - ns=0;i=7611 */

static UA_StatusCode function_namespace0_generated_35_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
UA_LocalizedText variablenode_ns_0_i_7611_variant_DataContents[6];
variablenode_ns_0_i_7611_variant_DataContents[0] = UA_LOCALIZEDTEXT("", "None");
variablenode_ns_0_i_7611_variant_DataContents[1] = UA_LOCALIZEDTEXT("", "Cold");
variablenode_ns_0_i_7611_variant_DataContents[2] = UA_LOCALIZEDTEXT("", "Warm");
variablenode_ns_0_i_7611_variant_DataContents[3] = UA_LOCALIZEDTEXT("", "Hot");
variablenode_ns_0_i_7611_variant_DataContents[4] = UA_LOCALIZEDTEXT("", "Transparent");
variablenode_ns_0_i_7611_variant_DataContents[5] = UA_LOCALIZEDTEXT("", "HotAndMirrored");
UA_Variant_setArray(&attr.value, &variablenode_ns_0_i_7611_variant_DataContents, (UA_Int32) 6, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
attr.displayName = UA_LOCALIZEDTEXT("", "EnumStrings");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 7611LU),
UA_NODEID_NUMERIC(ns[0], 851LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EnumStrings"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_35_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 7611LU)
);
}

/* AxisScaleEnumeration - ns=0;i=12077 */

static UA_StatusCode function_namespace0_generated_36_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "AxisScaleEnumeration");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 12077LU),
UA_NODEID_NUMERIC(ns[0], 29LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "AxisScaleEnumeration"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_36_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 12077LU)
);
}

/* EnumStrings - ns=0;i=12078 */

static UA_StatusCode function_namespace0_generated_37_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
UA_LocalizedText variablenode_ns_0_i_12078_variant_DataContents[3];
variablenode_ns_0_i_12078_variant_DataContents[0] = UA_LOCALIZEDTEXT("", "Linear");
variablenode_ns_0_i_12078_variant_DataContents[1] = UA_LOCALIZEDTEXT("", "Log");
variablenode_ns_0_i_12078_variant_DataContents[2] = UA_LOCALIZEDTEXT("", "Ln");
UA_Variant_setArray(&attr.value, &variablenode_ns_0_i_12078_variant_DataContents, (UA_Int32) 3, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
attr.displayName = UA_LOCALIZEDTEXT("", "EnumStrings");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 12078LU),
UA_NODEID_NUMERIC(ns[0], 12077LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EnumStrings"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_37_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 12078LU)
);
}

/* NamingRuleType - ns=0;i=120 */

static UA_StatusCode function_namespace0_generated_38_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "NamingRuleType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 120LU),
UA_NODEID_NUMERIC(ns[0], 29LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "NamingRuleType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_38_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 120LU)
);
}

/* EnumValues - ns=0;i=12169 */

static UA_StatusCode function_namespace0_generated_39_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7594LU);
UA_EnumValueType variablenode_ns_0_i_12169_variant_DataContents[3];

UA_init(&variablenode_ns_0_i_12169_variant_DataContents[0], &UA_TYPES[UA_TYPES_ENUMVALUETYPE]);
variablenode_ns_0_i_12169_variant_DataContents[0].value = (UA_Int64) 1;
variablenode_ns_0_i_12169_variant_DataContents[0].displayName = UA_LOCALIZEDTEXT("", "Mandatory");
variablenode_ns_0_i_12169_variant_DataContents[0].description = UA_LOCALIZEDTEXT("", "The BrowseName must appear in all instances of the type.");

UA_init(&variablenode_ns_0_i_12169_variant_DataContents[1], &UA_TYPES[UA_TYPES_ENUMVALUETYPE]);
variablenode_ns_0_i_12169_variant_DataContents[1].value = (UA_Int64) 2;
variablenode_ns_0_i_12169_variant_DataContents[1].displayName = UA_LOCALIZEDTEXT("", "Optional");
variablenode_ns_0_i_12169_variant_DataContents[1].description = UA_LOCALIZEDTEXT("", "The BrowseName may appear in an instance of the type.");

UA_init(&variablenode_ns_0_i_12169_variant_DataContents[2], &UA_TYPES[UA_TYPES_ENUMVALUETYPE]);
variablenode_ns_0_i_12169_variant_DataContents[2].value = (UA_Int64) 3;
variablenode_ns_0_i_12169_variant_DataContents[2].displayName = UA_LOCALIZEDTEXT("", "Constraint");
variablenode_ns_0_i_12169_variant_DataContents[2].description = UA_LOCALIZEDTEXT("", "The modelling rule defines a constraint and the BrowseName is not used in an instance of the type.");
UA_Variant_setArray(&attr.value, &variablenode_ns_0_i_12169_variant_DataContents, (UA_Int32) 3, &UA_TYPES[UA_TYPES_ENUMVALUETYPE]);
attr.displayName = UA_LOCALIZEDTEXT("", "EnumValues");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 12169LU),
UA_NODEID_NUMERIC(ns[0], 120LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EnumValues"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);



return retVal;
}

static UA_StatusCode function_namespace0_generated_39_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 12169LU)
);
}

/* Number - ns=0;i=26 */

static UA_StatusCode function_namespace0_generated_40_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "Number");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 26LU),
UA_NODEID_NUMERIC(ns[0], 24LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Number"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_40_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 26LU)
);
}

/* Decimal - ns=0;i=50 */

static UA_StatusCode function_namespace0_generated_41_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Decimal");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 50LU),
UA_NODEID_NUMERIC(ns[0], 26LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Decimal"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_41_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 50LU)
);
}

/* UInteger - ns=0;i=28 */

static UA_StatusCode function_namespace0_generated_42_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "UInteger");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 28LU),
UA_NODEID_NUMERIC(ns[0], 26LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "UInteger"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_42_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 28LU)
);
}

/* UInt64 - ns=0;i=9 */

static UA_StatusCode function_namespace0_generated_43_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "UInt64");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 9LU),
UA_NODEID_NUMERIC(ns[0], 28LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "UInt64"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_43_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 9LU)
);
}

/* UInt32 - ns=0;i=7 */

static UA_StatusCode function_namespace0_generated_44_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "UInt32");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 7LU),
UA_NODEID_NUMERIC(ns[0], 28LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "UInt32"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_44_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 7LU)
);
}

/* UInt16 - ns=0;i=5 */

static UA_StatusCode function_namespace0_generated_45_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "UInt16");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 5LU),
UA_NODEID_NUMERIC(ns[0], 28LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "UInt16"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_45_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 5LU)
);
}

/* Byte - ns=0;i=3 */

static UA_StatusCode function_namespace0_generated_46_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Byte");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 3LU),
UA_NODEID_NUMERIC(ns[0], 28LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Byte"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_46_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3LU)
);
}

/* Integer - ns=0;i=27 */

static UA_StatusCode function_namespace0_generated_47_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "Integer");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 27LU),
UA_NODEID_NUMERIC(ns[0], 26LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Integer"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_47_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 27LU)
);
}

/* Int64 - ns=0;i=8 */

static UA_StatusCode function_namespace0_generated_48_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Int64");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 8LU),
UA_NODEID_NUMERIC(ns[0], 27LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Int64"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_48_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 8LU)
);
}

/* Int32 - ns=0;i=6 */

static UA_StatusCode function_namespace0_generated_49_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Int32");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 6LU),
UA_NODEID_NUMERIC(ns[0], 27LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Int32"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_49_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 6LU)
);
}

/* Int16 - ns=0;i=4 */

static UA_StatusCode function_namespace0_generated_50_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Int16");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 4LU),
UA_NODEID_NUMERIC(ns[0], 27LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Int16"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_50_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 4LU)
);
}

/* SByte - ns=0;i=2 */

static UA_StatusCode function_namespace0_generated_51_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "SByte");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 2LU),
UA_NODEID_NUMERIC(ns[0], 27LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "SByte"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_51_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2LU)
);
}

/* Double - ns=0;i=11 */

static UA_StatusCode function_namespace0_generated_52_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Double");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 11LU),
UA_NODEID_NUMERIC(ns[0], 26LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Double"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_52_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11LU)
);
}

/* Duration - ns=0;i=290 */

static UA_StatusCode function_namespace0_generated_53_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Duration");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 290LU),
UA_NODEID_NUMERIC(ns[0], 11LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Duration"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_53_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 290LU)
);
}

/* Float - ns=0;i=10 */

static UA_StatusCode function_namespace0_generated_54_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Float");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_DATATYPE,
UA_NODEID_NUMERIC(ns[0], 10LU),
UA_NODEID_NUMERIC(ns[0], 26LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "Float"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_54_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 10LU)
);
}

/* DataItemType - ns=0;i=2365 */

static UA_StatusCode function_namespace0_generated_55_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
attr.valueRank = -2;
/* DataType inherited */
attr.dataType = UA_NODEID_NUMERIC(ns[0], 24LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DataItemType");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "A variable that contains live automation data.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 2365LU),
UA_NODEID_NUMERIC(ns[0], 63LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DataItemType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_55_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2365LU)
);
}

/* DiscreteItemType - ns=0;i=2372 */

static UA_StatusCode function_namespace0_generated_56_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
attr.isAbstract = true;
attr.valueRank = -2;
/* DataType inherited */
attr.dataType = UA_NODEID_NUMERIC(ns[0], 24LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DiscreteItemType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 2372LU),
UA_NODEID_NUMERIC(ns[0], 2365LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DiscreteItemType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_56_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2372LU)
);
}

/* MultiStateDiscreteType - ns=0;i=2376 */

static UA_StatusCode function_namespace0_generated_57_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 28LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MultiStateDiscreteType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 2376LU),
UA_NODEID_NUMERIC(ns[0], 2372LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "MultiStateDiscreteType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_57_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2376LU)
);
}

/* EnumStrings - ns=0;i=2377 */

static UA_StatusCode function_namespace0_generated_58_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
attr.displayName = UA_LOCALIZEDTEXT("", "EnumStrings");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2377LU),
UA_NODEID_NUMERIC(ns[0], 2376LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EnumStrings"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_58_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2377LU)
);
}

/* TwoStateDiscreteType - ns=0;i=2373 */

static UA_StatusCode function_namespace0_generated_59_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "TwoStateDiscreteType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 2373LU),
UA_NODEID_NUMERIC(ns[0], 2372LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "TwoStateDiscreteType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_59_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2373LU)
);
}

/* TrueState - ns=0;i=2375 */

static UA_StatusCode function_namespace0_generated_60_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
attr.displayName = UA_LOCALIZEDTEXT("", "TrueState");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2375LU),
UA_NODEID_NUMERIC(ns[0], 2373LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "TrueState"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_60_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2375LU)
);
}

/* FalseState - ns=0;i=2374 */

static UA_StatusCode function_namespace0_generated_61_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
attr.displayName = UA_LOCALIZEDTEXT("", "FalseState");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2374LU),
UA_NODEID_NUMERIC(ns[0], 2373LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "FalseState"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_61_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2374LU)
);
}

/* MultiStateValueDiscreteType - ns=0;i=11238 */

static UA_StatusCode function_namespace0_generated_62_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 26LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MultiStateValueDiscreteType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 11238LU),
UA_NODEID_NUMERIC(ns[0], 2372LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "MultiStateValueDiscreteType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_62_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11238LU)
);
}

/* ValueAsText - ns=0;i=11461 */

static UA_StatusCode function_namespace0_generated_63_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ValueAsText");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11461LU),
UA_NODEID_NUMERIC(ns[0], 11238LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ValueAsText"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_63_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11461LU)
);
}

/* EnumValues - ns=0;i=11241 */

static UA_StatusCode function_namespace0_generated_64_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7594LU);
attr.displayName = UA_LOCALIZEDTEXT("", "EnumValues");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11241LU),
UA_NODEID_NUMERIC(ns[0], 11238LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EnumValues"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_64_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11241LU)
);
}

/* AnalogItemType - ns=0;i=2368 */

static UA_StatusCode function_namespace0_generated_65_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 26LU);
attr.displayName = UA_LOCALIZEDTEXT("", "AnalogItemType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 2368LU),
UA_NODEID_NUMERIC(ns[0], 2365LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "AnalogItemType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_65_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2368LU)
);
}

/* EngineeringUnits - ns=0;i=2371 */

static UA_StatusCode function_namespace0_generated_66_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 887LU);
attr.displayName = UA_LOCALIZEDTEXT("", "EngineeringUnits");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2371LU),
UA_NODEID_NUMERIC(ns[0], 2368LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EngineeringUnits"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_66_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2371LU)
);
}

/* InstrumentRange - ns=0;i=2370 */

static UA_StatusCode function_namespace0_generated_67_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 884LU);
attr.displayName = UA_LOCALIZEDTEXT("", "InstrumentRange");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2370LU),
UA_NODEID_NUMERIC(ns[0], 2368LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "InstrumentRange"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_67_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2370LU)
);
}

/* EURange - ns=0;i=2369 */

static UA_StatusCode function_namespace0_generated_68_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 3;
attr.accessLevel = 3;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 884LU);
attr.displayName = UA_LOCALIZEDTEXT("", "EURange");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2369LU),
UA_NODEID_NUMERIC(ns[0], 2368LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EURange"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_68_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2369LU)
);
}

/* ValuePrecision - ns=0;i=2367 */

static UA_StatusCode function_namespace0_generated_69_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 11LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ValuePrecision");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "The maximum precision that the server can maintain for the item based on restrictions in the target environment.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2367LU),
UA_NODEID_NUMERIC(ns[0], 2365LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ValuePrecision"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_69_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2367LU)
);
}

/* Definition - ns=0;i=2366 */

static UA_StatusCode function_namespace0_generated_70_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "Definition");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "A vendor-specific, human readable string that specifies how the value of this DataItem is calculated.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2366LU),
UA_NODEID_NUMERIC(ns[0], 2365LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "Definition"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_70_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2366LU)
);
}

/* HistoryServerCapabilitiesType - ns=0;i=2330 */

static UA_StatusCode function_namespace0_generated_71_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "HistoryServerCapabilitiesType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 2330LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "HistoryServerCapabilitiesType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_71_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2330LU)
);
}

/* EventQueueOverflowEventType - ns=0;i=3035 */

static UA_StatusCode function_namespace0_generated_72_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "EventQueueOverflowEventType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 3035LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "EventQueueOverflowEventType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_72_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3035LU)
);
}

/* Severity - ns=0;i=2051 */

static UA_StatusCode function_namespace0_generated_73_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 5LU);
attr.displayName = UA_LOCALIZEDTEXT("", "Severity");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "Indicates how urgent an event is.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2051LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "Severity"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_73_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2051LU)
);
}

/* Message - ns=0;i=2050 */

static UA_StatusCode function_namespace0_generated_74_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
attr.displayName = UA_LOCALIZEDTEXT("", "Message");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "A localized description of the event.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2050LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "Message"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_74_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2050LU)
);
}

/* LocalTime - ns=0;i=3190 */

static UA_StatusCode function_namespace0_generated_75_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 8912LU);
attr.displayName = UA_LOCALIZEDTEXT("", "LocalTime");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "Information about the local time where the event originated.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 3190LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "LocalTime"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_75_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3190LU)
);
}

/* ReceiveTime - ns=0;i=2047 */

static UA_StatusCode function_namespace0_generated_76_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 294LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ReceiveTime");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "When the server received the event from the underlying system.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2047LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ReceiveTime"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_76_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2047LU)
);
}

/* Time - ns=0;i=2046 */

static UA_StatusCode function_namespace0_generated_77_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 294LU);
attr.displayName = UA_LOCALIZEDTEXT("", "Time");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "When the event occurred.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2046LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "Time"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_77_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2046LU)
);
}

/* SourceName - ns=0;i=2045 */

static UA_StatusCode function_namespace0_generated_78_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "SourceName");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "A description of the source of the event.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2045LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "SourceName"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_78_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2045LU)
);
}

/* SourceNode - ns=0;i=2044 */

static UA_StatusCode function_namespace0_generated_79_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 17LU);
attr.displayName = UA_LOCALIZEDTEXT("", "SourceNode");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "The source of the event.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2044LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "SourceNode"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_79_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2044LU)
);
}

/* EventType - ns=0;i=2043 */

static UA_StatusCode function_namespace0_generated_80_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 17LU);
attr.displayName = UA_LOCALIZEDTEXT("", "EventType");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "The identifier for the event type.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2043LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EventType"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_80_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2043LU)
);
}

/* EventId - ns=0;i=2042 */

static UA_StatusCode function_namespace0_generated_81_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 15LU);
attr.displayName = UA_LOCALIZEDTEXT("", "EventId");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "A globally unique identifier for the event.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2042LU),
UA_NODEID_NUMERIC(ns[0], 2041LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EventId"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_81_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2042LU)
);
}

/* InterfaceTypes - ns=0;i=17708 */

static UA_StatusCode function_namespace0_generated_82_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "InterfaceTypes");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 17708LU),
UA_NODEID_NUMERIC(ns[0], 86LU),
UA_NODEID_NUMERIC(ns[0], 35LU),
UA_QUALIFIEDNAME(ns[0], "InterfaceTypes"),
UA_NODEID_NUMERIC(ns[0], 61LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_82_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 17708LU)
);
}

/* BaseInterfaceType - ns=0;i=17602 */

static UA_StatusCode function_namespace0_generated_83_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.isAbstract = true;
attr.displayName = UA_LOCALIZEDTEXT("", "BaseInterfaceType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 17602LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "BaseInterfaceType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 17602LU), UA_NODEID_NUMERIC(ns[0], 35LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 17708LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_83_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 17602LU)
);
}

/* BuildInfoType - ns=0;i=3051 */

static UA_StatusCode function_namespace0_generated_84_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 338LU);
attr.displayName = UA_LOCALIZEDTEXT("", "BuildInfoType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 3051LU),
UA_NODEID_NUMERIC(ns[0], 63LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "BuildInfoType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_84_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3051LU)
);
}

/* ServerStatusType - ns=0;i=2138 */

static UA_StatusCode function_namespace0_generated_85_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 862LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ServerStatusType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 2138LU),
UA_NODEID_NUMERIC(ns[0], 63LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ServerStatusType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_85_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2138LU)
);
}

/* OperationLimitsType - ns=0;i=11564 */

static UA_StatusCode function_namespace0_generated_86_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "OperationLimitsType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 61LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "OperationLimitsType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_86_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11564LU)
);
}

/* MaxMonitoredItemsPerCall - ns=0;i=11574 */

static UA_StatusCode function_namespace0_generated_87_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxMonitoredItemsPerCall");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11574LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxMonitoredItemsPerCall"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_87_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11574LU)
);
}

/* MaxNodesPerNodeManagement - ns=0;i=11573 */

static UA_StatusCode function_namespace0_generated_88_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerNodeManagement");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11573LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerNodeManagement"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_88_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11573LU)
);
}

/* MaxNodesPerTranslateBrowsePathsToNodeIds - ns=0;i=11572 */

static UA_StatusCode function_namespace0_generated_89_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerTranslateBrowsePathsToNodeIds");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11572LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerTranslateBrowsePathsToNodeIds"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_89_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11572LU)
);
}

/* MaxNodesPerRegisterNodes - ns=0;i=11571 */

static UA_StatusCode function_namespace0_generated_90_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerRegisterNodes");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11571LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerRegisterNodes"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_90_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11571LU)
);
}

/* MaxNodesPerBrowse - ns=0;i=11570 */

static UA_StatusCode function_namespace0_generated_91_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerBrowse");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11570LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerBrowse"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_91_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11570LU)
);
}

/* MaxNodesPerMethodCall - ns=0;i=11569 */

static UA_StatusCode function_namespace0_generated_92_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerMethodCall");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11569LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerMethodCall"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_92_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11569LU)
);
}

/* MaxNodesPerWrite - ns=0;i=11567 */

static UA_StatusCode function_namespace0_generated_93_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerWrite");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11567LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerWrite"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_93_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11567LU)
);
}

/* MaxNodesPerRead - ns=0;i=11565 */

static UA_StatusCode function_namespace0_generated_94_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerRead");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11565LU),
UA_NODEID_NUMERIC(ns[0], 11564LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerRead"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_94_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11565LU)
);
}

/* ServerRedundancyType - ns=0;i=2034 */

static UA_StatusCode function_namespace0_generated_95_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerRedundancyType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 2034LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ServerRedundancyType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_95_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2034LU)
);
}

/* RedundancySupport - ns=0;i=2035 */

static UA_StatusCode function_namespace0_generated_96_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 851LU);
attr.displayName = UA_LOCALIZEDTEXT("", "RedundancySupport");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2035LU),
UA_NODEID_NUMERIC(ns[0], 2034LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "RedundancySupport"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_96_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2035LU)
);
}

/* VendorServerInfoType - ns=0;i=2033 */

static UA_StatusCode function_namespace0_generated_97_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "VendorServerInfoType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 2033LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "VendorServerInfoType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_97_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2033LU)
);
}

/* ServerDiagnosticsType - ns=0;i=2020 */

static UA_StatusCode function_namespace0_generated_98_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerDiagnosticsType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 2020LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ServerDiagnosticsType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_98_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2020LU)
);
}

/* ServerCapabilitiesType - ns=0;i=2013 */

static UA_StatusCode function_namespace0_generated_99_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerCapabilitiesType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 2013LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ServerCapabilitiesType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_99_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2013LU)
);
}

/* OperationLimits - ns=0;i=11551 */

static UA_StatusCode function_namespace0_generated_100_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "OperationLimits");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 11551LU),
UA_NODEID_NUMERIC(ns[0], 2013LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "OperationLimits"),
UA_NODEID_NUMERIC(ns[0], 11564LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_100_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11551LU)
);
}

/* ServerType - ns=0;i=2004 */

static UA_StatusCode function_namespace0_generated_101_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 2004LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ServerType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_101_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2004LU)
);
}

/* Server - ns=0;i=2253 */

static UA_StatusCode function_namespace0_generated_102_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.eventNotifier = UA_EVENTNOTIFIER_SUBSCRIBE_TO_EVENT;
attr.displayName = UA_LOCALIZEDTEXT("", "Server");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 85LU),
UA_NODEID_NUMERIC(ns[0], 35LU),
UA_QUALIFIEDNAME(ns[0], "Server"),
UA_NODEID_NUMERIC(ns[0], 2004LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_102_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2253LU)
);
}

/* Auditing - ns=0;i=2994 */

static UA_StatusCode function_namespace0_generated_103_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "Auditing");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2994LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "Auditing"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_103_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2994LU)
);
}

/* ServerRedundancy - ns=0;i=2296 */

static UA_StatusCode function_namespace0_generated_104_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerRedundancy");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2296LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ServerRedundancy"),
UA_NODEID_NUMERIC(ns[0], 2034LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_104_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2296LU)
);
}

/* RedundancySupport - ns=0;i=3709 */

static UA_StatusCode function_namespace0_generated_105_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 851LU);
attr.displayName = UA_LOCALIZEDTEXT("", "RedundancySupport");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 3709LU),
UA_NODEID_NUMERIC(ns[0], 2296LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "RedundancySupport"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_105_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3709LU)
);
}

/* VendorServerInfo - ns=0;i=2295 */

static UA_StatusCode function_namespace0_generated_106_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "VendorServerInfo");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2295LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "VendorServerInfo"),
UA_NODEID_NUMERIC(ns[0], 2033LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_106_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2295LU)
);
}

/* ServerDiagnostics - ns=0;i=2274 */

static UA_StatusCode function_namespace0_generated_107_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerDiagnostics");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2274LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ServerDiagnostics"),
UA_NODEID_NUMERIC(ns[0], 2020LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_107_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2274LU)
);
}

/* EnabledFlag - ns=0;i=2294 */

static UA_StatusCode function_namespace0_generated_108_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 3;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "EnabledFlag");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2294LU),
UA_NODEID_NUMERIC(ns[0], 2274LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "EnabledFlag"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_108_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2294LU)
);
}

/* ServerCapabilities - ns=0;i=2268 */

static UA_StatusCode function_namespace0_generated_109_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ServerCapabilities");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ServerCapabilities"),
UA_NODEID_NUMERIC(ns[0], 2013LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_109_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2268LU)
);
}

/* SoftwareCertificates - ns=0;i=3704 */

static UA_StatusCode function_namespace0_generated_110_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 344LU);
attr.displayName = UA_LOCALIZEDTEXT("", "SoftwareCertificates");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 3704LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "SoftwareCertificates"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_110_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3704LU)
);
}

/* AggregateFunctions - ns=0;i=2997 */

static UA_StatusCode function_namespace0_generated_111_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "AggregateFunctions");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2997LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "AggregateFunctions"),
UA_NODEID_NUMERIC(ns[0], 61LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_111_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2997LU)
);
}

/* ModellingRules - ns=0;i=2996 */

static UA_StatusCode function_namespace0_generated_112_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ModellingRules");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2996LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ModellingRules"),
UA_NODEID_NUMERIC(ns[0], 61LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_112_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2996LU)
);
}

/* MaxHistoryContinuationPoints - ns=0;i=2737 */

static UA_StatusCode function_namespace0_generated_113_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 5LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxHistoryContinuationPoints");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2737LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxHistoryContinuationPoints"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_113_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2737LU)
);
}

/* MaxQueryContinuationPoints - ns=0;i=2736 */

static UA_StatusCode function_namespace0_generated_114_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 5LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxQueryContinuationPoints");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2736LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxQueryContinuationPoints"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_114_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2736LU)
);
}

/* MaxBrowseContinuationPoints - ns=0;i=2735 */

static UA_StatusCode function_namespace0_generated_115_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 5LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxBrowseContinuationPoints");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2735LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxBrowseContinuationPoints"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_115_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2735LU)
);
}

/* MinSupportedSampleRate - ns=0;i=2272 */

static UA_StatusCode function_namespace0_generated_116_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 290LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MinSupportedSampleRate");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2272LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MinSupportedSampleRate"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_116_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2272LU)
);
}

/* LocaleIdArray - ns=0;i=2271 */

static UA_StatusCode function_namespace0_generated_117_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 295LU);
attr.displayName = UA_LOCALIZEDTEXT("", "LocaleIdArray");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2271LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "LocaleIdArray"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_117_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2271LU)
);
}

/* ServerProfileArray - ns=0;i=2269 */

static UA_StatusCode function_namespace0_generated_118_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ServerProfileArray");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2269LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ServerProfileArray"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_118_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2269LU)
);
}

/* OperationLimits - ns=0;i=11704 */

static UA_StatusCode function_namespace0_generated_119_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "OperationLimits");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "OperationLimits"),
UA_NODEID_NUMERIC(ns[0], 11564LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_119_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11704LU)
);
}

/* MaxMonitoredItemsPerCall - ns=0;i=11714 */

static UA_StatusCode function_namespace0_generated_120_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxMonitoredItemsPerCall");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11714LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxMonitoredItemsPerCall"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_120_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11714LU)
);
}

/* MaxNodesPerNodeManagement - ns=0;i=11713 */

static UA_StatusCode function_namespace0_generated_121_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerNodeManagement");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11713LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerNodeManagement"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_121_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11713LU)
);
}

/* MaxNodesPerTranslateBrowsePathsToNodeIds - ns=0;i=11712 */

static UA_StatusCode function_namespace0_generated_122_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerTranslateBrowsePathsToNodeIds");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11712LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerTranslateBrowsePathsToNodeIds"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_122_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11712LU)
);
}

/* MaxNodesPerRegisterNodes - ns=0;i=11711 */

static UA_StatusCode function_namespace0_generated_123_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerRegisterNodes");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11711LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerRegisterNodes"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_123_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11711LU)
);
}

/* MaxNodesPerBrowse - ns=0;i=11710 */

static UA_StatusCode function_namespace0_generated_124_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerBrowse");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11710LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerBrowse"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_124_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11710LU)
);
}

/* MaxNodesPerMethodCall - ns=0;i=11709 */

static UA_StatusCode function_namespace0_generated_125_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerMethodCall");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11709LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerMethodCall"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_125_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11709LU)
);
}

/* MaxNodesPerWrite - ns=0;i=11707 */

static UA_StatusCode function_namespace0_generated_126_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerWrite");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11707LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerWrite"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_126_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11707LU)
);
}

/* MaxNodesPerRead - ns=0;i=11705 */

static UA_StatusCode function_namespace0_generated_127_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxNodesPerRead");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11705LU),
UA_NODEID_NUMERIC(ns[0], 11704LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxNodesPerRead"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_127_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11705LU)
);
}

/* HistoryServerCapabilities - ns=0;i=11192 */

static UA_StatusCode function_namespace0_generated_128_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "HistoryServerCapabilities");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 2268LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "HistoryServerCapabilities"),
UA_NODEID_NUMERIC(ns[0], 2330LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_128_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11192LU)
);
}

/* DeleteEventCapability - ns=0;i=11502 */

static UA_StatusCode function_namespace0_generated_129_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DeleteEventCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11502LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "DeleteEventCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_129_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11502LU)
);
}

/* UpdateEventCapability - ns=0;i=11283 */

static UA_StatusCode function_namespace0_generated_130_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "UpdateEventCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11283LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "UpdateEventCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_130_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11283LU)
);
}

/* ReplaceEventCapability - ns=0;i=11282 */

static UA_StatusCode function_namespace0_generated_131_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ReplaceEventCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11282LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ReplaceEventCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_131_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11282LU)
);
}

/* InsertEventCapability - ns=0;i=11281 */

static UA_StatusCode function_namespace0_generated_132_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "InsertEventCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11281LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "InsertEventCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_132_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11281LU)
);
}

/* InsertAnnotationCapability - ns=0;i=11275 */

static UA_StatusCode function_namespace0_generated_133_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "InsertAnnotationCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11275LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "InsertAnnotationCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_133_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11275LU)
);
}

/* MaxReturnEventValues - ns=0;i=11274 */

static UA_StatusCode function_namespace0_generated_134_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxReturnEventValues");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11274LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxReturnEventValues"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_134_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11274LU)
);
}

/* MaxReturnDataValues - ns=0;i=11273 */

static UA_StatusCode function_namespace0_generated_135_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "MaxReturnDataValues");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11273LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "MaxReturnDataValues"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_135_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11273LU)
);
}

/* AccessHistoryEventsCapability - ns=0;i=11242 */

static UA_StatusCode function_namespace0_generated_136_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "AccessHistoryEventsCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11242LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "AccessHistoryEventsCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_136_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11242LU)
);
}

/* AggregateFunctions - ns=0;i=11201 */

static UA_StatusCode function_namespace0_generated_137_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "AggregateFunctions");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 11201LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "AggregateFunctions"),
UA_NODEID_NUMERIC(ns[0], 61LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_137_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11201LU)
);
}

/* DeleteAtTimeCapability - ns=0;i=11200 */

static UA_StatusCode function_namespace0_generated_138_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DeleteAtTimeCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11200LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "DeleteAtTimeCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_138_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11200LU)
);
}

/* DeleteRawCapability - ns=0;i=11199 */

static UA_StatusCode function_namespace0_generated_139_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DeleteRawCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11199LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "DeleteRawCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_139_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11199LU)
);
}

/* UpdateDataCapability - ns=0;i=11198 */

static UA_StatusCode function_namespace0_generated_140_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "UpdateDataCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11198LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "UpdateDataCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_140_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11198LU)
);
}

/* ReplaceDataCapability - ns=0;i=11197 */

static UA_StatusCode function_namespace0_generated_141_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ReplaceDataCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11197LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ReplaceDataCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_141_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11197LU)
);
}

/* InsertDataCapability - ns=0;i=11196 */

static UA_StatusCode function_namespace0_generated_142_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "InsertDataCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11196LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "InsertDataCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_142_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11196LU)
);
}

/* AccessHistoryDataCapability - ns=0;i=11193 */

static UA_StatusCode function_namespace0_generated_143_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 1LU);
attr.displayName = UA_LOCALIZEDTEXT("", "AccessHistoryDataCapability");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11193LU),
UA_NODEID_NUMERIC(ns[0], 11192LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "AccessHistoryDataCapability"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_143_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11193LU)
);
}

/* ServiceLevel - ns=0;i=2267 */

static UA_StatusCode function_namespace0_generated_144_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 3LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ServiceLevel");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2267LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ServiceLevel"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_144_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2267LU)
);
}

/* ServerStatus - ns=0;i=2256 */

static UA_StatusCode function_namespace0_generated_145_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 862LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ServerStatus");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2256LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ServerStatus"),
UA_NODEID_NUMERIC(ns[0], 2138LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_145_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2256LU)
);
}

/* ShutdownReason - ns=0;i=2993 */

static UA_StatusCode function_namespace0_generated_146_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 21LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ShutdownReason");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2993LU),
UA_NODEID_NUMERIC(ns[0], 2256LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ShutdownReason"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_146_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2993LU)
);
}

/* SecondsTillShutdown - ns=0;i=2992 */

static UA_StatusCode function_namespace0_generated_147_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
attr.displayName = UA_LOCALIZEDTEXT("", "SecondsTillShutdown");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2992LU),
UA_NODEID_NUMERIC(ns[0], 2256LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "SecondsTillShutdown"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_147_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2992LU)
);
}

/* BuildInfo - ns=0;i=2260 */

static UA_StatusCode function_namespace0_generated_148_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 338LU);
attr.displayName = UA_LOCALIZEDTEXT("", "BuildInfo");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2260LU),
UA_NODEID_NUMERIC(ns[0], 2256LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "BuildInfo"),
UA_NODEID_NUMERIC(ns[0], 3051LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_148_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2260LU)
);
}

/* BuildDate - ns=0;i=2266 */

static UA_StatusCode function_namespace0_generated_149_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 294LU);
attr.displayName = UA_LOCALIZEDTEXT("", "BuildDate");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2266LU),
UA_NODEID_NUMERIC(ns[0], 2260LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "BuildDate"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_149_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2266LU)
);
}

/* BuildNumber - ns=0;i=2265 */

static UA_StatusCode function_namespace0_generated_150_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "BuildNumber");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2265LU),
UA_NODEID_NUMERIC(ns[0], 2260LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "BuildNumber"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_150_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2265LU)
);
}

/* SoftwareVersion - ns=0;i=2264 */

static UA_StatusCode function_namespace0_generated_151_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "SoftwareVersion");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2264LU),
UA_NODEID_NUMERIC(ns[0], 2260LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "SoftwareVersion"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_151_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2264LU)
);
}

/* ManufacturerName - ns=0;i=2263 */

static UA_StatusCode function_namespace0_generated_152_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ManufacturerName");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2263LU),
UA_NODEID_NUMERIC(ns[0], 2260LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ManufacturerName"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_152_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2263LU)
);
}

/* ProductUri - ns=0;i=2262 */

static UA_StatusCode function_namespace0_generated_153_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ProductUri");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2262LU),
UA_NODEID_NUMERIC(ns[0], 2260LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ProductUri"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_153_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2262LU)
);
}

/* ProductName - ns=0;i=2261 */

static UA_StatusCode function_namespace0_generated_154_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ProductName");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2261LU),
UA_NODEID_NUMERIC(ns[0], 2260LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "ProductName"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_154_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2261LU)
);
}

/* State - ns=0;i=2259 */

static UA_StatusCode function_namespace0_generated_155_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 852LU);
attr.displayName = UA_LOCALIZEDTEXT("", "State");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2259LU),
UA_NODEID_NUMERIC(ns[0], 2256LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "State"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_155_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2259LU)
);
}

/* CurrentTime - ns=0;i=2258 */

static UA_StatusCode function_namespace0_generated_156_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 294LU);
attr.displayName = UA_LOCALIZEDTEXT("", "CurrentTime");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2258LU),
UA_NODEID_NUMERIC(ns[0], 2256LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "CurrentTime"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_156_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2258LU)
);
}

/* StartTime - ns=0;i=2257 */

static UA_StatusCode function_namespace0_generated_157_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 294LU);
attr.displayName = UA_LOCALIZEDTEXT("", "StartTime");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2257LU),
UA_NODEID_NUMERIC(ns[0], 2256LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "StartTime"),
UA_NODEID_NUMERIC(ns[0], 63LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_157_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2257LU)
);
}

/* NamespaceArray - ns=0;i=2255 */

static UA_StatusCode function_namespace0_generated_158_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "NamespaceArray");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2255LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamespaceArray"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_158_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2255LU)
);
}

/* ServerArray - ns=0;i=2254 */

static UA_StatusCode function_namespace0_generated_159_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 1000.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "ServerArray");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 2254LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "ServerArray"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_159_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2254LU)
);
}

/* GetMonitoredItems - ns=0;i=11492 */

static UA_StatusCode function_namespace0_generated_160_begin(UA_Server *server, UA_UInt16* ns) {
#ifdef UA_ENABLE_METHODCALLS
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_MethodAttributes attr = UA_MethodAttributes_default;
attr.executable = true;
attr.userExecutable = true;
attr.displayName = UA_LOCALIZEDTEXT("", "GetMonitoredItems");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_METHOD,
UA_NODEID_NUMERIC(ns[0], 11492LU),
UA_NODEID_NUMERIC(ns[0], 2253LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "GetMonitoredItems"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_METHODATTRIBUTES],NULL, NULL);
return retVal;
#else
return UA_STATUSCODE_GOOD;
#endif /* UA_ENABLE_METHODCALLS */
}

static UA_StatusCode function_namespace0_generated_160_finish(UA_Server *server, UA_UInt16* ns) {
#ifdef UA_ENABLE_METHODCALLS
return UA_Server_addMethodNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11492LU)
, NULL, 0, NULL, 0, NULL);
#else
return UA_STATUSCODE_GOOD;
#endif /* UA_ENABLE_METHODCALLS */
}

/* OutputArguments - ns=0;i=11494 */

static UA_StatusCode function_namespace0_generated_161_begin(UA_Server *server, UA_UInt16* ns) {
#ifdef UA_ENABLE_METHODCALLS
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 296LU);
UA_Argument variablenode_ns_0_i_11494_variant_DataContents[2];

UA_init(&variablenode_ns_0_i_11494_variant_DataContents[0], &UA_TYPES[UA_TYPES_ARGUMENT]);
variablenode_ns_0_i_11494_variant_DataContents[0].name = UA_STRING("ServerHandles");
variablenode_ns_0_i_11494_variant_DataContents[0].dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
variablenode_ns_0_i_11494_variant_DataContents[0].valueRank = (UA_Int32) 1;
UA_STACKARRAY(UA_UInt32, variablenode_ns_0_i_11494_variant_DataContents0_arrayDimensions, 1);
UA_init(variablenode_ns_0_i_11494_variant_DataContents0_arrayDimensions, &UA_TYPES[UA_TYPES_UINT32]);
variablenode_ns_0_i_11494_variant_DataContents0_arrayDimensions[0] = (UA_UInt32) 0;
variablenode_ns_0_i_11494_variant_DataContents[0].arrayDimensionsSize = 1;
variablenode_ns_0_i_11494_variant_DataContents[0].arrayDimensions = variablenode_ns_0_i_11494_variant_DataContents0_arrayDimensions;

UA_init(&variablenode_ns_0_i_11494_variant_DataContents[1], &UA_TYPES[UA_TYPES_ARGUMENT]);
variablenode_ns_0_i_11494_variant_DataContents[1].name = UA_STRING("ClientHandles");
variablenode_ns_0_i_11494_variant_DataContents[1].dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
variablenode_ns_0_i_11494_variant_DataContents[1].valueRank = (UA_Int32) 1;
UA_STACKARRAY(UA_UInt32, variablenode_ns_0_i_11494_variant_DataContents1_arrayDimensions, 1);
UA_init(variablenode_ns_0_i_11494_variant_DataContents1_arrayDimensions, &UA_TYPES[UA_TYPES_UINT32]);
variablenode_ns_0_i_11494_variant_DataContents1_arrayDimensions[0] = (UA_UInt32) 0;
variablenode_ns_0_i_11494_variant_DataContents[1].arrayDimensionsSize = 1;
variablenode_ns_0_i_11494_variant_DataContents[1].arrayDimensions = variablenode_ns_0_i_11494_variant_DataContents1_arrayDimensions;
UA_Variant_setArray(&attr.value, &variablenode_ns_0_i_11494_variant_DataContents, (UA_Int32) 2, &UA_TYPES[UA_TYPES_ARGUMENT]);
attr.displayName = UA_LOCALIZEDTEXT("", "OutputArguments");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11494LU),
UA_NODEID_NUMERIC(ns[0], 11492LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "OutputArguments"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);


return retVal;
#else
return UA_STATUSCODE_GOOD;
#endif /* UA_ENABLE_METHODCALLS */
}

static UA_StatusCode function_namespace0_generated_161_finish(UA_Server *server, UA_UInt16* ns) {
#ifdef UA_ENABLE_METHODCALLS
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11494LU)
);
#else
return UA_STATUSCODE_GOOD;
#endif /* UA_ENABLE_METHODCALLS */
}

/* InputArguments - ns=0;i=11493 */

static UA_StatusCode function_namespace0_generated_162_begin(UA_Server *server, UA_UInt16* ns) {
#ifdef UA_ENABLE_METHODCALLS
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
attr.valueRank = 1;
attr.arrayDimensionsSize = 1;
UA_UInt32 arrayDimensions[1];
arrayDimensions[0] = 0;
attr.arrayDimensions = &arrayDimensions[0];
attr.dataType = UA_NODEID_NUMERIC(ns[0], 296LU);
UA_Argument variablenode_ns_0_i_11493_variant_DataContents[1];

UA_init(&variablenode_ns_0_i_11493_variant_DataContents[0], &UA_TYPES[UA_TYPES_ARGUMENT]);
variablenode_ns_0_i_11493_variant_DataContents[0].name = UA_STRING("SubscriptionId");
variablenode_ns_0_i_11493_variant_DataContents[0].dataType = UA_NODEID_NUMERIC(ns[0], 7LU);
variablenode_ns_0_i_11493_variant_DataContents[0].valueRank = (UA_Int32) -1;
UA_Variant_setArray(&attr.value, &variablenode_ns_0_i_11493_variant_DataContents, (UA_Int32) 1, &UA_TYPES[UA_TYPES_ARGUMENT]);
attr.displayName = UA_LOCALIZEDTEXT("", "InputArguments");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11493LU),
UA_NODEID_NUMERIC(ns[0], 11492LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "InputArguments"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);

return retVal;
#else
return UA_STATUSCODE_GOOD;
#endif /* UA_ENABLE_METHODCALLS */
}

static UA_StatusCode function_namespace0_generated_162_finish(UA_Server *server, UA_UInt16* ns) {
#ifdef UA_ENABLE_METHODCALLS
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11493LU)
);
#else
return UA_STATUSCODE_GOOD;
#endif /* UA_ENABLE_METHODCALLS */
}

/* VendorServerInfo - ns=0;i=2011 */

static UA_StatusCode function_namespace0_generated_163_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "VendorServerInfo");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 2011LU),
UA_NODEID_NUMERIC(ns[0], 2004LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "VendorServerInfo"),
UA_NODEID_NUMERIC(ns[0], 2033LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_163_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 2011LU)
);
}

/* ModellingRuleType - ns=0;i=77 */

static UA_StatusCode function_namespace0_generated_164_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ModellingRuleType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 77LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "ModellingRuleType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_164_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 77LU)
);
}

/* ExposesItsArray - ns=0;i=83 */

static UA_StatusCode function_namespace0_generated_165_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "ExposesItsArray");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 83LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "ExposesItsArray"),
UA_NODEID_NUMERIC(ns[0], 77LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_165_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 83LU)
);
}

/* NamingRule - ns=0;i=114 */

static UA_StatusCode function_namespace0_generated_166_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 120LU);
UA_Int32 *variablenode_ns_0_i_114_variant_DataContents =  UA_Int32_new();
if (!variablenode_ns_0_i_114_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_Int32_init(variablenode_ns_0_i_114_variant_DataContents);
*variablenode_ns_0_i_114_variant_DataContents = (UA_Int32) 3;
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_114_variant_DataContents, &UA_TYPES[UA_TYPES_INT32]);
attr.displayName = UA_LOCALIZEDTEXT("", "NamingRule");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 114LU),
UA_NODEID_NUMERIC(ns[0], 83LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamingRule"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_Int32_delete(variablenode_ns_0_i_114_variant_DataContents);
return retVal;
}

static UA_StatusCode function_namespace0_generated_166_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 114LU)
);
}

/* Optional - ns=0;i=80 */

static UA_StatusCode function_namespace0_generated_167_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Optional");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 80LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Optional"),
UA_NODEID_NUMERIC(ns[0], 77LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11574LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2367LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11571LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2371LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11569LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11572LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11551LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2370LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11570LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11567LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11573LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 3190LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2366LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 80LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11565LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_167_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 80LU)
);
}

/* NamingRule - ns=0;i=113 */

static UA_StatusCode function_namespace0_generated_168_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 120LU);
UA_Int32 *variablenode_ns_0_i_113_variant_DataContents =  UA_Int32_new();
if (!variablenode_ns_0_i_113_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_Int32_init(variablenode_ns_0_i_113_variant_DataContents);
*variablenode_ns_0_i_113_variant_DataContents = (UA_Int32) 2;
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_113_variant_DataContents, &UA_TYPES[UA_TYPES_INT32]);
attr.displayName = UA_LOCALIZEDTEXT("", "NamingRule");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 113LU),
UA_NODEID_NUMERIC(ns[0], 80LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamingRule"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_Int32_delete(variablenode_ns_0_i_113_variant_DataContents);
return retVal;
}

static UA_StatusCode function_namespace0_generated_168_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 113LU)
);
}

/* Mandatory - ns=0;i=78 */

static UA_StatusCode function_namespace0_generated_169_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Mandatory");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 78LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Mandatory"),
UA_NODEID_NUMERIC(ns[0], 77LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11461LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 7611LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2046LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2045LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 11241LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2051LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 12078LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2044LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2050LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2369LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2375LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 12169LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2047LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2011LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2035LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2374LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2377LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2042LU), false);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 78LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 2043LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_169_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 78LU)
);
}

/* NamingRule - ns=0;i=112 */

static UA_StatusCode function_namespace0_generated_170_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 120LU);
UA_Int32 *variablenode_ns_0_i_112_variant_DataContents =  UA_Int32_new();
if (!variablenode_ns_0_i_112_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_Int32_init(variablenode_ns_0_i_112_variant_DataContents);
*variablenode_ns_0_i_112_variant_DataContents = (UA_Int32) 1;
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_112_variant_DataContents, &UA_TYPES[UA_TYPES_INT32]);
attr.displayName = UA_LOCALIZEDTEXT("", "NamingRule");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 112LU),
UA_NODEID_NUMERIC(ns[0], 78LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamingRule"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_Int32_delete(variablenode_ns_0_i_112_variant_DataContents);
return retVal;
}

static UA_StatusCode function_namespace0_generated_170_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 112LU)
);
}

/* MandatoryPlaceholder - ns=0;i=11510 */

static UA_StatusCode function_namespace0_generated_171_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "MandatoryPlaceholder");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 11510LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "MandatoryPlaceholder"),
UA_NODEID_NUMERIC(ns[0], 77LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_171_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11510LU)
);
}

/* NamingRule - ns=0;i=11511 */

static UA_StatusCode function_namespace0_generated_172_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 120LU);
UA_Int32 *variablenode_ns_0_i_11511_variant_DataContents =  UA_Int32_new();
if (!variablenode_ns_0_i_11511_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_Int32_init(variablenode_ns_0_i_11511_variant_DataContents);
*variablenode_ns_0_i_11511_variant_DataContents = (UA_Int32) 1;
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_11511_variant_DataContents, &UA_TYPES[UA_TYPES_INT32]);
attr.displayName = UA_LOCALIZEDTEXT("", "NamingRule");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11511LU),
UA_NODEID_NUMERIC(ns[0], 11510LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamingRule"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_Int32_delete(variablenode_ns_0_i_11511_variant_DataContents);
return retVal;
}

static UA_StatusCode function_namespace0_generated_172_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11511LU)
);
}

/* OptionalPlaceholder - ns=0;i=11508 */

static UA_StatusCode function_namespace0_generated_173_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "OptionalPlaceholder");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 11508LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "OptionalPlaceholder"),
UA_NODEID_NUMERIC(ns[0], 77LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_173_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11508LU)
);
}

/* NamingRule - ns=0;i=11509 */

static UA_StatusCode function_namespace0_generated_174_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 120LU);
UA_Int32 *variablenode_ns_0_i_11509_variant_DataContents =  UA_Int32_new();
if (!variablenode_ns_0_i_11509_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_Int32_init(variablenode_ns_0_i_11509_variant_DataContents);
*variablenode_ns_0_i_11509_variant_DataContents = (UA_Int32) 2;
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_11509_variant_DataContents, &UA_TYPES[UA_TYPES_INT32]);
attr.displayName = UA_LOCALIZEDTEXT("", "NamingRule");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 11509LU),
UA_NODEID_NUMERIC(ns[0], 11508LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamingRule"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_Int32_delete(variablenode_ns_0_i_11509_variant_DataContents);
return retVal;
}

static UA_StatusCode function_namespace0_generated_174_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 11509LU)
);
}

/* NamingRule - ns=0;i=111 */

static UA_StatusCode function_namespace0_generated_175_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 120LU);
UA_Int32 *variablenode_ns_0_i_111_variant_DataContents =  UA_Int32_new();
if (!variablenode_ns_0_i_111_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_Int32_init(variablenode_ns_0_i_111_variant_DataContents);
*variablenode_ns_0_i_111_variant_DataContents = (UA_Int32) 1;
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_111_variant_DataContents, &UA_TYPES[UA_TYPES_INT32]);
attr.displayName = UA_LOCALIZEDTEXT("", "NamingRule");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 111LU),
UA_NODEID_NUMERIC(ns[0], 77LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamingRule"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_Int32_delete(variablenode_ns_0_i_111_variant_DataContents);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 111LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 78LU), true);
return retVal;
}

static UA_StatusCode function_namespace0_generated_175_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 111LU)
);
}

/* DataTypeEncodingType - ns=0;i=76 */

static UA_StatusCode function_namespace0_generated_176_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "DataTypeEncodingType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 76LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DataTypeEncodingType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_176_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 76LU)
);
}

/* Default Binary - ns=0;i=8251 */

static UA_StatusCode function_namespace0_generated_177_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Default Binary");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 8251LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Default Binary"),
UA_NODEID_NUMERIC(ns[0], 76LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 8251LU), UA_NODEID_NUMERIC(ns[0], 38LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 7594LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_177_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 8251LU)
);
}

/* Default Binary - ns=0;i=298 */

static UA_StatusCode function_namespace0_generated_178_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Default Binary");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 298LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Default Binary"),
UA_NODEID_NUMERIC(ns[0], 76LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 298LU), UA_NODEID_NUMERIC(ns[0], 38LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 296LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_178_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 298LU)
);
}

/* Default JSON - ns=0;i=15376 */

static UA_StatusCode function_namespace0_generated_179_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Default JSON");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 15376LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Default JSON"),
UA_NODEID_NUMERIC(ns[0], 76LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 15376LU), UA_NODEID_NUMERIC(ns[0], 38LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 887LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_179_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 15376LU)
);
}

/* Default JSON - ns=0;i=15375 */

static UA_StatusCode function_namespace0_generated_180_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Default JSON");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 15375LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Default JSON"),
UA_NODEID_NUMERIC(ns[0], 76LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 15375LU), UA_NODEID_NUMERIC(ns[0], 38LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 884LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_180_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 15375LU)
);
}

/* DataTypeSystemType - ns=0;i=75 */

static UA_StatusCode function_namespace0_generated_181_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "DataTypeSystemType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECTTYPE,
UA_NODEID_NUMERIC(ns[0], 75LU),
UA_NODEID_NUMERIC(ns[0], 58LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DataTypeSystemType"),
 UA_NODEID_NULL,
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_181_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 75LU)
);
}

/* OPC Binary - ns=0;i=93 */

static UA_StatusCode function_namespace0_generated_182_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "OPC Binary");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 93LU),
UA_NODEID_NUMERIC(ns[0], 90LU),
UA_NODEID_NUMERIC(ns[0], 35LU),
UA_QUALIFIEDNAME(ns[0], "OPC Binary"),
UA_NODEID_NUMERIC(ns[0], 75LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_182_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 93LU)
);
}

/* XML Schema - ns=0;i=92 */

static UA_StatusCode function_namespace0_generated_183_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "XML Schema");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 92LU),
UA_NODEID_NUMERIC(ns[0], 90LU),
UA_NODEID_NUMERIC(ns[0], 35LU),
UA_QUALIFIEDNAME(ns[0], "XML Schema"),
UA_NODEID_NUMERIC(ns[0], 75LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_183_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 92LU)
);
}

/* DataTypeDictionaryType - ns=0;i=72 */

static UA_StatusCode function_namespace0_generated_184_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 15LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DataTypeDictionaryType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 72LU),
UA_NODEID_NUMERIC(ns[0], 63LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DataTypeDictionaryType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_184_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 72LU)
);
}

/* Opc.Ua - ns=0;i=7617 */
static const UA_Byte variablenode_ns_0_i_7617_variant_DataContents_byteArray[177218] = {60, 111, 112, 99, 58, 84, 121, 112, 101, 68, 105, 99, 116, 105, 111, 110, 97, 114, 121, 13, 10, 32, 32, 120, 109, 108, 110, 115, 58, 111, 112, 99, 61, 34, 104, 116, 116, 112, 58, 47, 47, 111, 112, 99, 102, 111, 117, 110, 100, 97, 116, 105, 111, 110, 46, 111, 114, 103, 47, 66, 105, 110, 97, 114, 121, 83, 99, 104, 101, 109, 97, 47, 34, 13, 10, 32, 32, 120, 109, 108, 110, 115, 58, 120, 115, 105, 61, 34, 104, 116, 116, 112, 58, 47, 47, 119, 119, 119, 46, 119, 51, 46, 111, 114, 103, 47, 50, 48, 48, 49, 47, 88, 77, 76, 83, 99, 104, 101, 109, 97, 45, 105, 110, 115, 116, 97, 110, 99, 101, 34, 13, 10, 32, 32, 120, 109, 108, 110, 115, 58, 117, 97, 61, 34, 104, 116, 116, 112, 58, 47, 47, 111, 112, 99, 102, 111, 117, 110, 100, 97, 116, 105, 111, 110, 46, 111, 114, 103, 47, 85, 65, 47, 34, 13, 10, 32, 32, 120, 109, 108, 110, 115, 58, 116, 110, 115, 61, 34, 104, 116, 116, 112, 58, 47, 47, 111, 112, 99, 102, 111, 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117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 73, 110, 116, 51, 50, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 116, 110, 115, 58, 65, 114, 103, 117, 109, 101, 110, 116, 34, 32, 76, 101, 110, 103, 116, 104, 70, 105, 101, 108, 100, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 67, 97, 108, 108, 84, 105, 109, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 68, 97, 116, 101, 84, 105, 109, 101, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 82, 101, 116, 117, 114, 110, 83, 116, 97, 116, 117, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 116, 110, 115, 58, 83, 116, 97, 116, 117, 115, 82, 101, 115, 117, 108, 116, 34, 32, 47, 62, 13, 10, 32, 32, 60, 47, 111, 112, 99, 58, 83, 116, 114, 117, 99, 116, 117, 114, 101, 100, 84, 121, 112, 101, 62, 13, 10, 13, 10, 32, 32, 60, 111, 112, 99, 58, 83, 116, 114, 117, 99, 116, 117, 114, 101, 100, 84, 121, 112, 101, 32, 78, 97, 109, 101, 61, 34, 80, 114, 111, 103, 114, 97, 109, 68, 105, 97, 103, 110, 111, 115, 116, 105, 99, 50, 68, 97, 116, 97, 84, 121, 112, 101, 34, 32, 66, 97, 115, 101, 84, 121, 112, 101, 61, 34, 117, 97, 58, 69, 120, 116, 101, 110, 115, 105, 111, 110, 79, 98, 106, 101, 99, 116, 34, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 67, 114, 101, 97, 116, 101, 83, 101, 115, 115, 105, 111, 110, 73, 100, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 117, 97, 58, 78, 111, 100, 101, 73, 100, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 67, 114, 101, 97, 116, 101, 67, 108, 105, 101, 110, 116, 78, 97, 109, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 83, 116, 114, 105, 110, 103, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 73, 110, 118, 111, 99, 97, 116, 105, 111, 110, 67, 114, 101, 97, 116, 105, 111, 110, 84, 105, 109, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 68, 97, 116, 101, 84, 105, 109, 101, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 84, 114, 97, 110, 115, 105, 116, 105, 111, 110, 84, 105, 109, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 68, 97, 116, 101, 84, 105, 109, 101, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 67, 97, 108, 108, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 83, 116, 114, 105, 110, 103, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 83, 101, 115, 115, 105, 111, 110, 73, 100, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 117, 97, 58, 78, 111, 100, 101, 73, 100, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 73, 110, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 73, 110, 116, 51, 50, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 73, 110, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 116, 110, 115, 58, 65, 114, 103, 117, 109, 101, 110, 116, 34, 32, 76, 101, 110, 103, 116, 104, 70, 105, 101, 108, 100, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 73, 110, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 73, 110, 116, 51, 50, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 116, 110, 115, 58, 65, 114, 103, 117, 109, 101, 110, 116, 34, 32, 76, 101, 110, 103, 116, 104, 70, 105, 101, 108, 100, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 65, 114, 103, 117, 109, 101, 110, 116, 115, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 73, 110, 112, 117, 116, 86, 97, 108, 117, 101, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 73, 110, 116, 51, 50, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 73, 110, 112, 117, 116, 86, 97, 108, 117, 101, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 117, 97, 58, 86, 97, 114, 105, 97, 110, 116, 34, 32, 76, 101, 110, 103, 116, 104, 70, 105, 101, 108, 100, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 73, 110, 112, 117, 116, 86, 97, 108, 117, 101, 115, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 86, 97, 108, 117, 101, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 73, 110, 116, 51, 50, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 86, 97, 108, 117, 101, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 117, 97, 58, 86, 97, 114, 105, 97, 110, 116, 34, 32, 76, 101, 110, 103, 116, 104, 70, 105, 101, 108, 100, 61, 34, 78, 111, 79, 102, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 79, 117, 116, 112, 117, 116, 86, 97, 108, 117, 101, 115, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 67, 97, 108, 108, 84, 105, 109, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 68, 97, 116, 101, 84, 105, 109, 101, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 76, 97, 115, 116, 77, 101, 116, 104, 111, 100, 82, 101, 116, 117, 114, 110, 83, 116, 97, 116, 117, 115, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 116, 110, 115, 58, 83, 116, 97, 116, 117, 115, 82, 101, 115, 117, 108, 116, 34, 32, 47, 62, 13, 10, 32, 32, 60, 47, 111, 112, 99, 58, 83, 116, 114, 117, 99, 116, 117, 114, 101, 100, 84, 121, 112, 101, 62, 13, 10, 13, 10, 32, 32, 60, 111, 112, 99, 58, 83, 116, 114, 117, 99, 116, 117, 114, 101, 100, 84, 121, 112, 101, 32, 78, 97, 109, 101, 61, 34, 65, 110, 110, 111, 116, 97, 116, 105, 111, 110, 34, 32, 66, 97, 115, 101, 84, 121, 112, 101, 61, 34, 117, 97, 58, 69, 120, 116, 101, 110, 115, 105, 111, 110, 79, 98, 106, 101, 99, 116, 34, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 77, 101, 115, 115, 97, 103, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 83, 116, 114, 105, 110, 103, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 85, 115, 101, 114, 78, 97, 109, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 83, 116, 114, 105, 110, 103, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 70, 105, 101, 108, 100, 32, 78, 97, 109, 101, 61, 34, 65, 110, 110, 111, 116, 97, 116, 105, 111, 110, 84, 105, 109, 101, 34, 32, 84, 121, 112, 101, 78, 97, 109, 101, 61, 34, 111, 112, 99, 58, 68, 97, 116, 101, 84, 105, 109, 101, 34, 32, 47, 62, 13, 10, 32, 32, 60, 47, 111, 112, 99, 58, 83, 116, 114, 117, 99, 116, 117, 114, 101, 100, 84, 121, 112, 101, 62, 13, 10, 13, 10, 32, 32, 60, 111, 112, 99, 58, 69, 110, 117, 109, 101, 114, 97, 116, 101, 100, 84, 121, 112, 101, 32, 78, 97, 109, 101, 61, 34, 69, 120, 99, 101, 112, 116, 105, 111, 110, 68, 101, 118, 105, 97, 116, 105, 111, 110, 70, 111, 114, 109, 97, 116, 34, 32, 76, 101, 110, 103, 116, 104, 73, 110, 66, 105, 116, 115, 61, 34, 51, 50, 34, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 69, 110, 117, 109, 101, 114, 97, 116, 101, 100, 86, 97, 108, 117, 101, 32, 78, 97, 109, 101, 61, 34, 65, 98, 115, 111, 108, 117, 116, 101, 86, 97, 108, 117, 101, 34, 32, 86, 97, 108, 117, 101, 61, 34, 48, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 69, 110, 117, 109, 101, 114, 97, 116, 101, 100, 86, 97, 108, 117, 101, 32, 78, 97, 109, 101, 61, 34, 80, 101, 114, 99, 101, 110, 116, 79, 102, 86, 97, 108, 117, 101, 34, 32, 86, 97, 108, 117, 101, 61, 34, 49, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 69, 110, 117, 109, 101, 114, 97, 116, 101, 100, 86, 97, 108, 117, 101, 32, 78, 97, 109, 101, 61, 34, 80, 101, 114, 99, 101, 110, 116, 79, 102, 82, 97, 110, 103, 101, 34, 32, 86, 97, 108, 117, 101, 61, 34, 50, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 69, 110, 117, 109, 101, 114, 97, 116, 101, 100, 86, 97, 108, 117, 101, 32, 78, 97, 109, 101, 61, 34, 80, 101, 114, 99, 101, 110, 116, 79, 102, 69, 85, 82, 97, 110, 103, 101, 34, 32, 86, 97, 108, 117, 101, 61, 34, 51, 34, 32, 47, 62, 13, 10, 32, 32, 32, 32, 60, 111, 112, 99, 58, 69, 110, 117, 109, 101, 114, 97, 116, 101, 100, 86, 97, 108, 117, 101, 32, 78, 97, 109, 101, 61, 34, 85, 110, 107, 110, 111, 119, 110, 34, 32, 86, 97, 108, 117, 101, 61, 34, 52, 34, 32, 47, 62, 13, 10, 32, 32, 60, 47, 111, 112, 99, 58, 69, 110, 117, 109, 101, 114, 97, 116, 101, 100, 84, 121, 112, 101, 62, 13, 10, 13, 10, 60, 47, 111, 112, 99, 58, 84, 121, 112, 101, 68, 105, 99, 116, 105, 111, 110, 97, 114, 121, 62};



static UA_StatusCode function_namespace0_generated_185_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 15LU);
UA_ByteString *variablenode_ns_0_i_7617_variant_DataContents =  UA_ByteString_new();
if (!variablenode_ns_0_i_7617_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_ByteString_init(variablenode_ns_0_i_7617_variant_DataContents);
variablenode_ns_0_i_7617_variant_DataContents->length = 177218;
variablenode_ns_0_i_7617_variant_DataContents->data = (UA_Byte *)(void*)(uintptr_t)variablenode_ns_0_i_7617_variant_DataContents_byteArray;
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_7617_variant_DataContents, &UA_TYPES[UA_TYPES_BYTESTRING]);
attr.displayName = UA_LOCALIZEDTEXT("", "Opc.Ua");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 7617LU),
UA_NODEID_NUMERIC(ns[0], 93LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "Opc.Ua"),
UA_NODEID_NUMERIC(ns[0], 72LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
variablenode_ns_0_i_7617_variant_DataContents->data = NULL;
variablenode_ns_0_i_7617_variant_DataContents->length = 0;
UA_ByteString_delete(variablenode_ns_0_i_7617_variant_DataContents);
return retVal;
}

static UA_StatusCode function_namespace0_generated_185_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 7617LU)
);
}

/* NamespaceUri - ns=0;i=107 */

static UA_StatusCode function_namespace0_generated_186_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "NamespaceUri");
#ifdef UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS
attr.description = UA_LOCALIZEDTEXT("", "A URI that uniquely identifies the dictionary.");
#endif
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 107LU),
UA_NODEID_NUMERIC(ns[0], 72LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "NamespaceUri"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 107LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 80LU), true);
return retVal;
}

static UA_StatusCode function_namespace0_generated_186_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 107LU)
);
}

/* DataTypeVersion - ns=0;i=106 */

static UA_StatusCode function_namespace0_generated_187_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DataTypeVersion");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 106LU),
UA_NODEID_NUMERIC(ns[0], 72LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "DataTypeVersion"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 106LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 80LU), true);
return retVal;
}

static UA_StatusCode function_namespace0_generated_187_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 106LU)
);
}

/* DataTypeDescriptionType - ns=0;i=69 */

static UA_StatusCode function_namespace0_generated_188_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DataTypeDescriptionType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLETYPE,
UA_NODEID_NUMERIC(ns[0], 69LU),
UA_NODEID_NUMERIC(ns[0], 63LU),
UA_NODEID_NUMERIC(ns[0], 45LU),
UA_QUALIFIEDNAME(ns[0], "DataTypeDescriptionType"),
UA_NODEID_NUMERIC(ns[0], 0LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_188_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 69LU)
);
}

/* EnumValueType - ns=0;i=7656 */

static UA_StatusCode function_namespace0_generated_189_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
UA_String *variablenode_ns_0_i_7656_variant_DataContents =  UA_String_new();
if (!variablenode_ns_0_i_7656_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_String_init(variablenode_ns_0_i_7656_variant_DataContents);
*variablenode_ns_0_i_7656_variant_DataContents = UA_STRING_ALLOC("EnumValueType");
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_7656_variant_DataContents, &UA_TYPES[UA_TYPES_STRING]);
attr.displayName = UA_LOCALIZEDTEXT("", "EnumValueType");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 7656LU),
UA_NODEID_NUMERIC(ns[0], 7617LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "EnumValueType"),
UA_NODEID_NUMERIC(ns[0], 69LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_String_delete(variablenode_ns_0_i_7656_variant_DataContents);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 7656LU), UA_NODEID_NUMERIC(ns[0], 39LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 8251LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_189_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 7656LU)
);
}

/* Argument - ns=0;i=7650 */

static UA_StatusCode function_namespace0_generated_190_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
UA_String *variablenode_ns_0_i_7650_variant_DataContents =  UA_String_new();
if (!variablenode_ns_0_i_7650_variant_DataContents) return UA_STATUSCODE_BADOUTOFMEMORY;
UA_String_init(variablenode_ns_0_i_7650_variant_DataContents);
*variablenode_ns_0_i_7650_variant_DataContents = UA_STRING_ALLOC("Argument");
UA_Variant_setScalar(&attr.value, variablenode_ns_0_i_7650_variant_DataContents, &UA_TYPES[UA_TYPES_STRING]);
attr.displayName = UA_LOCALIZEDTEXT("", "Argument");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 7650LU),
UA_NODEID_NUMERIC(ns[0], 7617LU),
UA_NODEID_NUMERIC(ns[0], 47LU),
UA_QUALIFIEDNAME(ns[0], "Argument"),
UA_NODEID_NUMERIC(ns[0], 69LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
UA_String_delete(variablenode_ns_0_i_7650_variant_DataContents);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 7650LU), UA_NODEID_NUMERIC(ns[0], 39LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 298LU), false);
return retVal;
}

static UA_StatusCode function_namespace0_generated_190_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 7650LU)
);
}

/* DictionaryFragment - ns=0;i=105 */

static UA_StatusCode function_namespace0_generated_191_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 15LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DictionaryFragment");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 105LU),
UA_NODEID_NUMERIC(ns[0], 69LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "DictionaryFragment"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 105LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 80LU), true);
return retVal;
}

static UA_StatusCode function_namespace0_generated_191_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 105LU)
);
}

/* DataTypeVersion - ns=0;i=104 */

static UA_StatusCode function_namespace0_generated_192_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.minimumSamplingInterval = 0.000000;
attr.userAccessLevel = 1;
attr.accessLevel = 1;
/* Value rank inherited */
attr.valueRank = -2;
attr.dataType = UA_NODEID_NUMERIC(ns[0], 12LU);
attr.displayName = UA_LOCALIZEDTEXT("", "DataTypeVersion");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_VARIABLE,
UA_NODEID_NUMERIC(ns[0], 104LU),
UA_NODEID_NUMERIC(ns[0], 69LU),
UA_NODEID_NUMERIC(ns[0], 46LU),
UA_QUALIFIEDNAME(ns[0], "DataTypeVersion"),
UA_NODEID_NUMERIC(ns[0], 68LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES],NULL, NULL);
retVal |= UA_Server_addReference(server, UA_NODEID_NUMERIC(ns[0], 104LU), UA_NODEID_NUMERIC(ns[0], 37LU), UA_EXPANDEDNODEID_NUMERIC(ns[0], 80LU), true);
return retVal;
}

static UA_StatusCode function_namespace0_generated_192_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 104LU)
);
}

/* Default XML - ns=0;i=3063 */

static UA_StatusCode function_namespace0_generated_193_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Default XML");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 3063LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Default XML"),
UA_NODEID_NUMERIC(ns[0], 58LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_193_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3063LU)
);
}

/* Default Binary - ns=0;i=3062 */

static UA_StatusCode function_namespace0_generated_194_begin(UA_Server *server, UA_UInt16* ns) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
UA_ObjectAttributes attr = UA_ObjectAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("", "Default Binary");
retVal |= UA_Server_addNode_begin(server, UA_NODECLASS_OBJECT,
UA_NODEID_NUMERIC(ns[0], 3062LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_NODEID_NUMERIC(ns[0], 0LU),
UA_QUALIFIEDNAME(ns[0], "Default Binary"),
UA_NODEID_NUMERIC(ns[0], 58LU),
(const UA_NodeAttributes*)&attr, &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],NULL, NULL);
return retVal;
}

static UA_StatusCode function_namespace0_generated_194_finish(UA_Server *server, UA_UInt16* ns) {
return UA_Server_addNode_finish(server, 
UA_NODEID_NUMERIC(ns[0], 3062LU)
);
}

UA_StatusCode namespace0_generated(UA_Server *server) {
UA_StatusCode retVal = UA_STATUSCODE_GOOD;
/* Use namespace ids generated by the server */
UA_UInt16 ns[1];
ns[0] = UA_Server_addNamespace(server, "http://opcfoundation.org/UA/");

/* Load custom datatype definitions into the server */
if((retVal = function_namespace0_generated_0_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_0_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_1_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_1_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_2_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_2_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_3_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_3_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_4_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_4_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_5_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_5_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_6_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_7_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_8_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_9_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_10_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_11_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_12_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_13_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_14_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_15_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_16_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_17_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_18_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_19_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_20_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_21_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_22_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_23_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_24_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_25_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_26_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_27_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_28_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_29_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_30_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_31_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_32_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_33_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_34_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_35_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_36_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_37_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_38_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_39_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_40_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_41_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_42_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_43_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_44_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_45_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_46_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_47_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_48_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_49_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_50_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_51_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_52_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_53_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_54_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_55_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_56_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_57_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_58_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_59_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_60_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_61_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_62_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_63_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_64_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_65_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_66_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_67_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_68_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_69_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_70_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_71_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_72_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_73_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_74_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_75_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_76_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_77_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_78_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_79_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_80_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_81_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_82_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_83_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_84_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_85_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_86_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_87_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_88_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_89_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_90_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_91_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_92_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_93_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_94_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_95_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_96_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_97_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_98_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_99_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_100_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_101_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_102_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_103_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_104_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_105_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_106_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_107_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_108_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_109_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_110_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_111_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_112_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_113_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_114_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_115_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_116_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_117_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_118_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_119_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_120_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_121_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_122_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_123_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_124_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_125_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_126_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_127_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_128_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_129_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_130_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_131_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_132_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_133_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_134_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_135_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_136_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_137_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_138_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_139_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_140_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_141_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_142_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_143_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_144_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_145_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_146_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_147_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_148_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_149_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_150_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_151_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_152_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_153_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_154_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_155_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_156_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_157_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_158_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_159_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_160_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_161_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_162_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_163_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_164_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_165_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_166_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_167_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_168_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_169_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_170_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_171_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_172_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_173_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_174_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_175_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_176_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_177_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_178_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_179_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_180_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_181_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_182_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_183_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_184_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_185_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_186_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_187_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_188_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_189_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_190_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_191_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_192_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_193_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_194_begin(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_194_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_193_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_192_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_191_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_190_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_189_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_188_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_187_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_186_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_185_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_184_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_183_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_182_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_181_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_180_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_179_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_178_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_177_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_176_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_175_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_174_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_173_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_172_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_171_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_170_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_169_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_168_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_167_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_166_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_165_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_164_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_163_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_162_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_161_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_160_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_159_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_158_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_157_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_156_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_155_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_154_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_153_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_152_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_151_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_150_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_149_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_148_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_147_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_146_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_145_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_144_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_143_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_142_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_141_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_140_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_139_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_138_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_137_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_136_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_135_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_134_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_133_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_132_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_131_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_130_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_129_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_128_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_127_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_126_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_125_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_124_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_123_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_122_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_121_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_120_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_119_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_118_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_117_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_116_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_115_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_114_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_113_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_112_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_111_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_110_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_109_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_108_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_107_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_106_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_105_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_104_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_103_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_102_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_101_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_100_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_99_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_98_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_97_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_96_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_95_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_94_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_93_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_92_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_91_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_90_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_89_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_88_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_87_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_86_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_85_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_84_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_83_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_82_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_81_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_80_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_79_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_78_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_77_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_76_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_75_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_74_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_73_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_72_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_71_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_70_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_69_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_68_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_67_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_66_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_65_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_64_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_63_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_62_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_61_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_60_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_59_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_58_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_57_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_56_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_55_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_54_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_53_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_52_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_51_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_50_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_49_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_48_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_47_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_46_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_45_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_44_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_43_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_42_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_41_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_40_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_39_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_38_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_37_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_36_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_35_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_34_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_33_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_32_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_31_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_30_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_29_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_28_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_27_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_26_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_25_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_24_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_23_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_22_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_21_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_20_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_19_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_18_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_17_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_16_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_15_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_14_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_13_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_12_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_11_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_10_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_9_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_8_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_7_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
if((retVal = function_namespace0_generated_6_finish(server, ns)) != UA_STATUSCODE_GOOD) return retVal;
return retVal;
}

/**** amalgamated original file "/src/ua_types_lex.c" ****/

/* Generated by re2c 1.1.1 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *
 */


/* Lexing and parsing of builtin data types. These are helper functions that not
 * required by the SDK internally. But they are useful for users who want to use
 * standard-specified humand readable encodings for NodeIds, etc.
 *
 * This compilation unit uses the re2c lexer generator. The final C source is
 * generated with the following script:
 *
 *   re2c -i --no-generation-date ua_types_lex.re > ua_types_lex.c
 *
 * In order that users of the SDK don't need to install re2c, always commit a
 * recent ua_types_lex.c if changes are made to the lexer. */

#define YYCURSOR pos
#define YYMARKER context.marker
#define YYPEEK() (YYCURSOR < end) ? *YYCURSOR : 0 /* The lexer sees a stream of
                                                   * \0 when the input ends*/
#define YYSKIP() ++YYCURSOR;
#define YYBACKUP() YYMARKER = YYCURSOR
#define YYRESTORE() YYCURSOR = YYMARKER
#define YYSTAGP(t) t = YYCURSOR
#define YYSTAGN(t) t = NULL

typedef struct {
    const char *marker;
    const char *yyt1;const char *yyt2;const char *yyt3;const char *yyt4;const char *yyt5;
} LexContext;



static UA_StatusCode
parse_guid(UA_Guid *guid, const UA_Byte *s, const UA_Byte *e) {
    size_t len = (size_t)(e - s);
    if(len != 36 || s[8] != '-' || s[13] != '-' || s[23] != '-')
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_UInt32 tmp;
    if(UA_readNumberWithBase(s, 8, &tmp, 16) != 8)
        return UA_STATUSCODE_BADINTERNALERROR;
    guid->data1 = tmp;

    if(UA_readNumberWithBase(&s[9], 4, &tmp, 16) != 4)
        return UA_STATUSCODE_BADINTERNALERROR;
    guid->data2 = (UA_UInt16)tmp;

    if(UA_readNumberWithBase(&s[14], 4, &tmp, 16) != 4)
        return UA_STATUSCODE_BADINTERNALERROR;
    guid->data3 = (UA_UInt16)tmp;

    if(UA_readNumberWithBase(&s[19], 2, &tmp, 16) != 2)
        return UA_STATUSCODE_BADINTERNALERROR;
    guid->data4[0] = (UA_Byte)tmp;

    if(UA_readNumberWithBase(&s[21], 2, &tmp, 16) != 2)
        return UA_STATUSCODE_BADINTERNALERROR;
    guid->data4[1] = (UA_Byte)tmp;

    for(size_t pos = 2, spos = 24; pos < 8; pos++, spos += 2) {
        if(UA_readNumberWithBase(&s[spos], 2, &tmp, 16) != 2)
            return UA_STATUSCODE_BADINTERNALERROR;
        guid->data4[pos] = (UA_Byte)tmp;
    }

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Guid_parse(UA_Guid *guid, const UA_String str) {
    UA_StatusCode res = parse_guid(guid, str.data, str.data + str.length);
    if(res != UA_STATUSCODE_GOOD)
        *guid = UA_GUID_NULL;
    return res;
}

static UA_StatusCode
parse_nodeid_body(UA_NodeId *id, const char *body, const char *end) {
    size_t len = (size_t)(end - (body+2));
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    switch(*body) {
    case 'i': {
        if(UA_readNumber((const UA_Byte*)body+2, len, &id->identifier.numeric) != len)
            return UA_STATUSCODE_BADINTERNALERROR;
        id->identifierType = UA_NODEIDTYPE_NUMERIC;
        break;
    }
    case 's': {
        UA_String tmpstr;
        tmpstr.data = (UA_Byte*)(uintptr_t)body+2;
        tmpstr.length = len;
        res = UA_String_copy(&tmpstr, &id->identifier.string);
        if(res != UA_STATUSCODE_GOOD)
            break;
        id->identifierType = UA_NODEIDTYPE_STRING;
        break;
    }
    case 'g':
        res = parse_guid(&id->identifier.guid, (const UA_Byte*)body+2, (const UA_Byte*)end);
        if(res == UA_STATUSCODE_GOOD)
            id->identifierType = UA_NODEIDTYPE_GUID;
        break;
    case 'b':
        id->identifier.byteString.data =
            UA_unbase64((const unsigned char*)body+2, len,
                        &id->identifier.byteString.length);
        if(!id->identifier.byteString.data && len > 0)
            return UA_STATUSCODE_BADINTERNALERROR;
        id->identifierType = UA_NODEIDTYPE_BYTESTRING;
        break;
    default:
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return res;
}

static UA_StatusCode
parse_nodeid(UA_NodeId *id, const char *pos, const char *end) {
    *id = UA_NODEID_NULL; /* Reset the NodeId */
    LexContext context;
    memset(&context, 0, sizeof(LexContext));
    const char *ns = NULL, *nse= NULL;


{
	char yych;
	yych = YYPEEK ();
	switch (yych) {
	case 'b':
	case 'g':
	case 'i':
	case 's':
		YYSTAGN (context.yyt1);
		YYSTAGN (context.yyt2);
		goto yy4;
	case 'n':	goto yy5;
	default:	goto yy2;
	}
yy2:
	YYSKIP ();
yy3:
	{ (void)pos; return UA_STATUSCODE_BADINTERNALERROR; }
yy4:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy6;
	default:	goto yy3;
	}
yy5:
	YYSKIP ();
	YYBACKUP ();
	yych = YYPEEK ();
	switch (yych) {
	case 's':	goto yy8;
	default:	goto yy3;
	}
yy6:
	YYSKIP ();
	ns = context.yyt1;
	nse = context.yyt2;
	{
        (void)pos; // Get rid of a dead store clang-analyzer warning
        if(ns) {
            UA_UInt32 tmp;
            size_t len = (size_t)(nse - ns);
            if(UA_readNumber((const UA_Byte*)ns, len, &tmp) != len)
                return UA_STATUSCODE_BADINTERNALERROR;
            id->namespaceIndex = (UA_UInt16)tmp;
        }

        // From the current position until the end
        return parse_nodeid_body(id, &pos[-2], end);
    }
yy8:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy10;
	default:	goto yy9;
	}
yy9:
	YYRESTORE ();
	goto yy3;
yy10:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
		YYSTAGP (context.yyt1);
		goto yy11;
	default:	goto yy9;
	}
yy11:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':	goto yy11;
	case ';':
		YYSTAGP (context.yyt2);
		goto yy13;
	default:	goto yy9;
	}
yy13:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 'b':
	case 'g':
	case 'i':
	case 's':	goto yy14;
	default:	goto yy9;
	}
yy14:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy6;
	default:	goto yy9;
	}
}

}

UA_StatusCode
UA_NodeId_parse(UA_NodeId *id, const UA_String str) {
    UA_StatusCode res =
        parse_nodeid(id, (const char*)str.data, (const char*)str.data+str.length);
    if(res != UA_STATUSCODE_GOOD)
        UA_NodeId_clear(id);
    return res;
}

static UA_StatusCode
parse_expandednodeid(UA_ExpandedNodeId *id, const char *pos, const char *end) {
    *id = UA_EXPANDEDNODEID_NULL; /* Reset the NodeId */
    LexContext context;
    memset(&context, 0, sizeof(LexContext));
    const char *svr = NULL, *svre = NULL, *nsu = NULL, *ns = NULL, *body = NULL;


{
	char yych;
	yych = YYPEEK ();
	switch (yych) {
	case 'b':
	case 'g':
	case 'i':
		YYSTAGN (context.yyt1);
		YYSTAGN (context.yyt2);
		YYSTAGN (context.yyt3);
		YYSTAGP (context.yyt4);
		YYSTAGN (context.yyt5);
		goto yy19;
	case 'n':
		YYSTAGN (context.yyt1);
		YYSTAGN (context.yyt2);
		goto yy20;
	case 's':
		YYSTAGN (context.yyt1);
		YYSTAGN (context.yyt2);
		YYSTAGN (context.yyt3);
		YYSTAGP (context.yyt4);
		YYSTAGN (context.yyt5);
		goto yy21;
	default:	goto yy17;
	}
yy17:
	YYSKIP ();
yy18:
	{ (void)pos; return UA_STATUSCODE_BADINTERNALERROR; }
yy19:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy22;
	default:	goto yy18;
	}
yy20:
	YYSKIP ();
	YYBACKUP ();
	yych = YYPEEK ();
	switch (yych) {
	case 's':	goto yy24;
	default:	goto yy18;
	}
yy21:
	YYSKIP ();
	YYBACKUP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy22;
	case 'v':	goto yy26;
	default:	goto yy18;
	}
yy22:
	YYSKIP ();
	svr = context.yyt1;
	svre = context.yyt2;
	ns = context.yyt3;
	nsu = context.yyt5;
	body = context.yyt4;
	{
        (void)pos; // Get rid of a dead store clang-analyzer warning
        if(svr) {
            size_t len = (size_t)((svre) - svr);
            if(UA_readNumber((const UA_Byte*)svr, len, &id->serverIndex) != len)
                return UA_STATUSCODE_BADINTERNALERROR;
        }

        if(nsu) {
            size_t len = (size_t)((body-1) - nsu);
            UA_String nsuri;
            nsuri.data = (UA_Byte*)(uintptr_t)nsu;
            nsuri.length = len;
            UA_StatusCode res = UA_String_copy(&nsuri, &id->namespaceUri);
            if(res != UA_STATUSCODE_GOOD)
                return res;
        } else if(ns) {
            UA_UInt32 tmp;
            size_t len = (size_t)((body-1) - ns);
            if(UA_readNumber((const UA_Byte*)ns, len, &tmp) != len)
                return UA_STATUSCODE_BADINTERNALERROR;
            id->nodeId.namespaceIndex = (UA_UInt16)tmp;
        }

        // From the current position until the end
        return parse_nodeid_body(&id->nodeId, &pos[-2], end);
    }
yy24:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy27;
	case 'u':	goto yy28;
	default:	goto yy25;
	}
yy25:
	YYRESTORE ();
	goto yy18;
yy26:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 'r':	goto yy29;
	default:	goto yy25;
	}
yy27:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
		YYSTAGP (context.yyt3);
		goto yy30;
	default:	goto yy25;
	}
yy28:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy32;
	default:	goto yy25;
	}
yy29:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy33;
	default:	goto yy25;
	}
yy30:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':	goto yy30;
	case ';':	goto yy34;
	default:	goto yy25;
	}
yy32:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '\n':	goto yy25;
	case ';':
		YYSTAGP (context.yyt5);
		goto yy37;
	default:
		YYSTAGP (context.yyt5);
		goto yy35;
	}
yy33:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
		YYSTAGP (context.yyt1);
		goto yy38;
	default:	goto yy25;
	}
yy34:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 'b':
	case 'g':
	case 'i':
	case 's':
		YYSTAGP (context.yyt4);
		YYSTAGN (context.yyt5);
		goto yy40;
	default:	goto yy25;
	}
yy35:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '\n':	goto yy25;
	case ';':	goto yy37;
	default:	goto yy35;
	}
yy37:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 'b':
	case 'g':
	case 'i':
	case 's':
		YYSTAGN (context.yyt3);
		YYSTAGP (context.yyt4);
		goto yy40;
	default:	goto yy25;
	}
yy38:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':	goto yy38;
	case ';':
		YYSTAGP (context.yyt2);
		goto yy41;
	default:	goto yy25;
	}
yy40:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case '=':	goto yy22;
	default:	goto yy25;
	}
yy41:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 'b':
	case 'g':
	case 'i':
	case 's':
		YYSTAGN (context.yyt3);
		YYSTAGP (context.yyt4);
		YYSTAGN (context.yyt5);
		goto yy40;
	case 'n':	goto yy42;
	default:	goto yy25;
	}
yy42:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 's':	goto yy24;
	default:	goto yy25;
	}
}

}

UA_StatusCode
UA_ExpandedNodeId_parse(UA_ExpandedNodeId *id, const UA_String str) {
    UA_StatusCode res =
        parse_expandednodeid(id, (const char*)str.data, (const char*)str.data+str.length);
    if(res != UA_STATUSCODE_GOOD)
        UA_ExpandedNodeId_clear(id);
    return res;
}

static UA_StatusCode
relativepath_addelem(UA_RelativePath *rp, UA_RelativePathElement *el) {
    /* Allocate memory */
    UA_RelativePathElement *newArray = (UA_RelativePathElement*)
        UA_realloc(rp->elements, sizeof(UA_RelativePathElement) * (rp->elementsSize + 1));
    if(!newArray)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    rp->elements = newArray;

    /* Move to the target */
    rp->elements[rp->elementsSize] = *el;
    rp->elementsSize++;
    return UA_STATUSCODE_GOOD;
}

/* Parse name string with '&' as the escape character */
static UA_StatusCode
parse_refpath_qn_name(UA_QualifiedName *qn, const char **pos, const char *end) {
    /* Allocate the max length the name can have */
    size_t maxlen = (size_t)(end - *pos);
    if(maxlen == 0) {
        qn->name.data = (UA_Byte*)UA_EMPTY_ARRAY_SENTINEL;
        return UA_STATUSCODE_GOOD;
    }
    char *name = (char*)UA_malloc(maxlen);
    if(!name)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    size_t index = 0;
    for(; *pos < end; (*pos)++) {
        char c = **pos;
        /* Unescaped special characer: The end of the QualifiedName */
        if(c == '/' || c == '.' || c == '<' || c == '>' ||
           c == ':' || c == '#' || c == '!')
            break;

        /* Escaped character */
        if(c == '&') {
            (*pos)++;
            if(*pos >= end ||
               (**pos != '/' && **pos != '.' && **pos != '<' && **pos != '>' &&
                **pos != ':' && **pos != '#' && **pos != '!' && **pos != '&')) {
                UA_free(name);
                return UA_STATUSCODE_BADINTERNALERROR;
            }
            c = **pos;
        }

        /* Unescaped normal character */
        name[index] = c;
        index++;
    }

    if(index > 0) {
        qn->name.data = (UA_Byte*)name;
        qn->name.length = index;
    } else {
        qn->name.data = (UA_Byte*)UA_EMPTY_ARRAY_SENTINEL;
        UA_free(name);
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
parse_refpath_qn(UA_QualifiedName *qn, const char *pos, const char *end) {
    LexContext context;
    memset(&context, 0, sizeof(LexContext));
    const char *ns = NULL, *nse = NULL;
    UA_QualifiedName_init(qn);


{
	char yych;
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
		YYSTAGP (context.yyt1);
		goto yy47;
	default:	goto yy45;
	}
yy45:
	YYSKIP ();
yy46:
	{ pos--; goto parse_qn_name; }
yy47:
	YYSKIP ();
	YYBACKUP ();
	yych = YYPEEK ();
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
	case ':':	goto yy49;
	default:	goto yy46;
	}
yy48:
	YYSKIP ();
	yych = YYPEEK ();
yy49:
	switch (yych) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':	goto yy48;
	case ':':
		YYSTAGP (context.yyt2);
		goto yy51;
	default:	goto yy50;
	}
yy50:
	YYRESTORE ();
	goto yy46;
yy51:
	YYSKIP ();
	ns = context.yyt1;
	nse = context.yyt2;
	{
        UA_UInt32 tmp;
        size_t len = (size_t)(nse - ns);
        if(UA_readNumber((const UA_Byte*)ns, len, &tmp) != len)
            return UA_STATUSCODE_BADINTERNALERROR;
        qn->namespaceIndex = (UA_UInt16)tmp;
        goto parse_qn_name;
    }
}


 parse_qn_name:
    return parse_refpath_qn_name(qn, &pos, end);
}

/* List of well-known ReferenceTypes that don't require lookup in the server */

typedef struct {
    char *browseName;
    UA_UInt32 identifier;
} RefTypeNames;

#define KNOWNREFTYPES 17
static const RefTypeNames knownRefTypes[KNOWNREFTYPES] = {
    {"References", UA_NS0ID_REFERENCES},
    {"HierachicalReferences", UA_NS0ID_HIERARCHICALREFERENCES},
    {"NonHierachicalReferences", UA_NS0ID_NONHIERARCHICALREFERENCES},
    {"HasChild", UA_NS0ID_HASCHILD},
    {"Aggregates", UA_NS0ID_AGGREGATES},
    {"HasComponent", UA_NS0ID_HASCOMPONENT},
    {"HasProperty", UA_NS0ID_HASPROPERTY},
    {"HasOrderedComponent", UA_NS0ID_HASORDEREDCOMPONENT},
    {"HasSubtype", UA_NS0ID_HASSUBTYPE},
    {"Organizes", UA_NS0ID_ORGANIZES},
    {"HasModellingRule", UA_NS0ID_HASMODELLINGRULE},
    {"HasTypeDefinition", UA_NS0ID_HASTYPEDEFINITION},
    {"HasEncoding", UA_NS0ID_HASENCODING},
    {"GeneratesEvent", UA_NS0ID_GENERATESEVENT},
    {"AlwaysGeneratesEvent", UA_NS0ID_ALWAYSGENERATESEVENT},
    {"HasEventSource", UA_NS0ID_HASEVENTSOURCE},
    {"HasNotifier", UA_NS0ID_HASNOTIFIER}
};

static UA_StatusCode
lookup_reftype(UA_NodeId *refTypeId, UA_QualifiedName *qn) {
    if(qn->namespaceIndex != 0)
        return UA_STATUSCODE_BADNOTFOUND;

    for(size_t i = 0; i < KNOWNREFTYPES; i++) {
        UA_String tmp = UA_STRING(knownRefTypes[i].browseName);
        if(UA_String_equal(&qn->name, &tmp)) {
            *refTypeId = UA_NODEID_NUMERIC(0, knownRefTypes[i].identifier);
            return UA_STATUSCODE_GOOD;
        }
    }

    return UA_STATUSCODE_BADNOTFOUND;
}

static UA_StatusCode
parse_relativepath(UA_RelativePath *rp, const char *pos, const char *end) {
    LexContext context;
    memset(&context, 0, sizeof(LexContext));
    const char *begin = NULL, *finish = NULL;
    UA_StatusCode res = UA_STATUSCODE_GOOD;
    UA_RelativePath_init(rp); /* Reset the BrowsePath */

    /* Add one element to the path in every iteration */
    UA_RelativePathElement current;
 loop:
    UA_RelativePathElement_init(&current);
    current.includeSubtypes = true; /* Follow subtypes by default */

    /* Get the ReferenceType and its modifiers */

{
	char yych;
	unsigned int yyaccept = 0;
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:	goto yy55;
	case '.':	goto yy59;
	case '/':	goto yy61;
	case '<':	goto yy63;
	default:	goto yy57;
	}
yy55:
	YYSKIP ();
	{ (void)pos; return UA_STATUSCODE_GOOD; }
yy57:
	YYSKIP ();
yy58:
	{ (void)pos; return UA_STATUSCODE_BADINTERNALERROR; }
yy59:
	YYSKIP ();
	{
        current.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_AGGREGATES);
        goto reftype_target;
    }
yy61:
	YYSKIP ();
	{
        current.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HIERARCHICALREFERENCES);
        goto reftype_target;
    }
yy63:
	yyaccept = 0;
	YYSKIP ();
	YYBACKUP ();
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:
	case '>':	goto yy58;
	case '&':
		YYSTAGP (context.yyt1);
		goto yy67;
	default:
		YYSTAGP (context.yyt1);
		goto yy64;
	}
yy64:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:	goto yy66;
	case '&':	goto yy67;
	case '>':
		YYSTAGP (context.yyt2);
		goto yy69;
	default:	goto yy64;
	}
yy66:
	YYRESTORE ();
	if (yyaccept == 0) {
		goto yy58;
	} else {
		goto yy70;
	}
yy67:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:	goto yy66;
	case '&':	goto yy67;
	case '>':
		YYSTAGP (context.yyt2);
		goto yy71;
	default:	goto yy64;
	}
yy69:
	YYSKIP ();
yy70:
	begin = context.yyt1;
	finish = context.yyt2;
	{
        for(; begin < finish; begin++) {
            if(*begin== '#')
                current.includeSubtypes = false;
            else if(*begin == '!')
                current.isInverse = true;
            else
                break;
        }
        UA_QualifiedName refqn;
        res |= parse_refpath_qn(&refqn, begin, finish);
        res |= lookup_reftype(&current.referenceTypeId, &refqn);
        UA_QualifiedName_clear(&refqn);
        goto reftype_target;
    }
yy71:
	yyaccept = 1;
	YYSKIP ();
	YYBACKUP ();
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:	goto yy70;
	case '&':	goto yy67;
	case '>':
		YYSTAGP (context.yyt2);
		goto yy69;
	default:	goto yy64;
	}
}


    /* Get the TargetName component */
 reftype_target:
    if(res != UA_STATUSCODE_GOOD)
        return res;


{
	char yych;
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:
	case '.':
	case '/':
	case '<':	goto yy74;
	case '&':
		YYSTAGP (context.yyt1);
		goto yy79;
	default:
		YYSTAGP (context.yyt1);
		goto yy76;
	}
yy74:
	YYSKIP ();
	{ pos--; goto add_element; }
yy76:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:
	case '.':
	case '/':
	case '<':	goto yy78;
	case '&':	goto yy79;
	default:	goto yy76;
	}
yy78:
	begin = context.yyt1;
	{
        res = parse_refpath_qn(&current.targetName, begin, pos);
        goto add_element;
    }
yy79:
	YYSKIP ();
	yych = YYPEEK ();
	switch (yych) {
	case 0x00:	goto yy78;
	case '&':	goto yy79;
	default:	goto yy76;
	}
}


    /* Add the current element to the path and continue to the next element */
 add_element:
    res |= relativepath_addelem(rp, &current);
    if(res != UA_STATUSCODE_GOOD) {
        UA_RelativePathElement_clear(&current);
        return res;
    }
    goto loop;
}

UA_StatusCode
UA_RelativePath_parse(UA_RelativePath *rp, const UA_String str) {
    UA_StatusCode res =
        parse_relativepath(rp, (const char*)str.data, (const char*)str.data+str.length);
    if(res != UA_STATUSCODE_GOOD)
        UA_RelativePath_clear(rp);
    return res;
}

/**** amalgamated original file "/src/server/ua_subscription.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2015-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2015 (c) Chris Iatrou
 *    Copyright 2015-2016 (c) Sten Grüner
 *    Copyright 2017-2018 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2015 (c) Joakim L. Gilje
 *    Copyright 2016-2017 (c) Florian Palm
 *    Copyright 2015-2016 (c) Oleksiy Vasylyev
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Ari Breitkreuz, fortiss GmbH
 *    Copyright 2017 (c) Mattias Bornhager
 *    Copyright 2018 (c) Hilscher Gesellschaft für Systemautomation mbH (Author: Martin Lang)
 *    Copyright 2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */


#ifdef UA_ENABLE_SUBSCRIPTIONS /* conditional compilation */

#define UA_MAX_RETRANSMISSIONQUEUESIZE 256

UA_Subscription *
UA_Subscription_new(void) {
    /* Allocate the memory */
    UA_Subscription *newSub = (UA_Subscription*)UA_calloc(1, sizeof(UA_Subscription));
    if(!newSub)
        return NULL;

    /* The first publish response is sent immediately */
    newSub->state = UA_SUBSCRIPTIONSTATE_NORMAL;

    /* Even if the first publish response is a keepalive the sequence number is 1.
     * This can happen by a subscription without a monitored item (see CTT test scripts). */
    newSub->nextSequenceNumber = 1;

    TAILQ_INIT(&newSub->retransmissionQueue);
    TAILQ_INIT(&newSub->notificationQueue);
    return newSub;
}

void
UA_Subscription_delete(UA_Server *server, UA_Subscription *sub) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Unregister the publish callback */
    Subscription_unregisterPublishCallback(server, sub);

    /* Remove the diagnostics object for the subscription */
#ifdef UA_ENABLE_DIAGNOSTICS
    if(sub->session) {
        /* Use a browse path to find the node */
        char subIdStr[32];
        snprintf(subIdStr, 32, "%u", sub->subscriptionId);
        UA_BrowsePath bp;
        UA_BrowsePath_init(&bp);
        bp.startingNode = sub->session->sessionId;
        UA_RelativePathElement rpe[2];
        memset(rpe, 0, sizeof(UA_RelativePathElement) * 2);
        rpe[0].targetName = UA_QUALIFIEDNAME(0, "SubscriptionDiagnosticsArray");
        rpe[1].targetName = UA_QUALIFIEDNAME(0, subIdStr);
        bp.relativePath.elements = rpe;
        bp.relativePath.elementsSize = 2;
        UA_BrowsePathResult bpr = translateBrowsePathToNodeIds(server, &bp);

        /* Delete all nodes matching the browse path */
        for(size_t i = 0; i < bpr.targetsSize; i++) {
            if(bpr.targets[i].remainingPathIndex < UA_UINT32_MAX)
                continue;
            deleteNode(server, bpr.targets[i].targetId.nodeId, true);
        }
        UA_BrowsePathResult_clear(&bpr);
    }
#endif

    UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, sub, "Subscription deleted");

    /* Detach from the session if necessary */
    if(sub->session)
        UA_Session_detachSubscription(server, sub->session, sub, true);

    /* Remove from the server if not previously registered */
    if(sub->serverListEntry.le_prev) {
        LIST_REMOVE(sub, serverListEntry);
        UA_assert(server->subscriptionsSize > 0);
        server->subscriptionsSize--;
        server->serverDiagnosticsSummary.currentSubscriptionCount--;
    }

    /* Delete monitored Items */
    UA_assert(server->monitoredItemsSize >= sub->monitoredItemsSize);
    UA_MonitoredItem *mon, *tmp_mon;
    LIST_FOREACH_SAFE(mon, &sub->monitoredItems, listEntry, tmp_mon) {
        UA_MonitoredItem_delete(server, mon);
    }
    UA_assert(sub->monitoredItemsSize == 0);

    /* Delete Retransmission Queue */
    UA_NotificationMessageEntry *nme, *nme_tmp;
    TAILQ_FOREACH_SAFE(nme, &sub->retransmissionQueue, listEntry, nme_tmp) {
        TAILQ_REMOVE(&sub->retransmissionQueue, nme, listEntry);
        UA_NotificationMessage_clear(&nme->message);
        UA_free(nme);
        if(sub->session)
            --sub->session->totalRetransmissionQueueSize;
        --sub->retransmissionQueueSize;
    }
    UA_assert(sub->retransmissionQueueSize == 0);

    /* Add a delayed callback to remove the Subscription when the current jobs
     * have completed. Pointers to the subscription may still exist upwards in
     * the call stack. */
    sub->delayedFreePointers.callback = NULL;
    sub->delayedFreePointers.application = server;
    sub->delayedFreePointers.data = NULL;
    sub->delayedFreePointers.nextTime = UA_DateTime_nowMonotonic() + 1;
    sub->delayedFreePointers.interval = 0; /* Remove the structure */
    UA_Timer_addTimerEntry(&server->timer, &sub->delayedFreePointers, NULL);
}

UA_MonitoredItem *
UA_Subscription_getMonitoredItem(UA_Subscription *sub, UA_UInt32 monitoredItemId) {
    UA_MonitoredItem *mon;
    LIST_FOREACH(mon, &sub->monitoredItems, listEntry) {
        if(mon->monitoredItemId == monitoredItemId)
            break;
    }
    return mon;
}

static void
removeOldestRetransmissionMessageFromSub(UA_Subscription *sub) {
    UA_NotificationMessageEntry *oldestEntry =
        TAILQ_LAST(&sub->retransmissionQueue, NotificationMessageQueue);
    TAILQ_REMOVE(&sub->retransmissionQueue, oldestEntry, listEntry);
    UA_NotificationMessage_clear(&oldestEntry->message);
    UA_free(oldestEntry);
    --sub->retransmissionQueueSize;
    if(sub->session)
        --sub->session->totalRetransmissionQueueSize;

#ifdef UA_ENABLE_DIAGNOSTICS
    sub->discardedMessageCount++;
#endif
}

static void
removeOldestRetransmissionMessageFromSession(UA_Session *session) {
    UA_NotificationMessageEntry *oldestEntry = NULL;
    UA_Subscription *oldestSub = NULL;
    UA_Subscription *sub;
    TAILQ_FOREACH(sub, &session->subscriptions, sessionListEntry) {
        UA_NotificationMessageEntry *first =
            TAILQ_LAST(&sub->retransmissionQueue, NotificationMessageQueue);
        if(!first)
            continue;
        if(!oldestEntry || oldestEntry->message.publishTime > first->message.publishTime) {
            oldestEntry = first;
            oldestSub = sub;
        }
    }
    UA_assert(oldestEntry);
    UA_assert(oldestSub);

    removeOldestRetransmissionMessageFromSub(oldestSub);
}

static void
UA_Subscription_addRetransmissionMessage(UA_Server *server, UA_Subscription *sub,
                                         UA_NotificationMessageEntry *entry) {
    /* Release the oldest entry if there is not enough space */
    UA_Session *session = sub->session;
    if(sub->retransmissionQueueSize >= UA_MAX_RETRANSMISSIONQUEUESIZE) {
        UA_LOG_WARNING_SUBSCRIPTION(&server->config.logger, sub,
                                    "Subscription retransmission queue overflow");
        removeOldestRetransmissionMessageFromSub(sub);
    } else if(session && server->config.maxRetransmissionQueueSize > 0 &&
              session->totalRetransmissionQueueSize >=
              server->config.maxRetransmissionQueueSize) {
        UA_LOG_WARNING_SUBSCRIPTION(&server->config.logger, sub,
                                    "Session-wide retransmission queue overflow");
        removeOldestRetransmissionMessageFromSession(sub->session);
    }

    /* Add entry */
    TAILQ_INSERT_TAIL(&sub->retransmissionQueue, entry, listEntry);
    ++sub->retransmissionQueueSize;
    if(session)
        ++session->totalRetransmissionQueueSize;
}

UA_StatusCode
UA_Subscription_removeRetransmissionMessage(UA_Subscription *sub, UA_UInt32 sequenceNumber) {
    /* Find the retransmission message */
    UA_NotificationMessageEntry *entry;
    TAILQ_FOREACH(entry, &sub->retransmissionQueue, listEntry) {
        if(entry->message.sequenceNumber == sequenceNumber)
            break;
    }
    if(!entry)
        return UA_STATUSCODE_BADSEQUENCENUMBERUNKNOWN;

    /* Remove the retransmission message */
    TAILQ_REMOVE(&sub->retransmissionQueue, entry, listEntry);
    --sub->retransmissionQueueSize;
    UA_NotificationMessage_clear(&entry->message);
    UA_free(entry);

    if(sub->session)
        --sub->session->totalRetransmissionQueueSize;

    return UA_STATUSCODE_GOOD;
}

/* The output counters are only set when the preparation is successful */
static UA_StatusCode
prepareNotificationMessage(UA_Server *server, UA_Subscription *sub,
                           UA_NotificationMessage *message,
                           size_t maxNotifications) {
    UA_assert(maxNotifications > 0);

    /* Allocate an ExtensionObject for Event- and DataChange-Notifications. Also
     * there can be StatusChange-Notifications. The standard says in Part 4,
     * 7.2.1:
     *
     * If a Subscription contains MonitoredItems for events and data, this array
     * should have not more than 2 elements. */
    message->notificationData = (UA_ExtensionObject*)
        UA_Array_new(2, &UA_TYPES[UA_TYPES_EXTENSIONOBJECT]);
    if(!message->notificationData)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    message->notificationDataSize = 2;

    /* Pre-allocate DataChangeNotifications */
    size_t notificationDataIdx = 0;
    size_t dcnPos = 0; /* How many DataChangeNotifications? */
    UA_DataChangeNotification *dcn = NULL;
    if(sub->dataChangeNotifications > 0) {
        dcn = UA_DataChangeNotification_new();
        if(!dcn) {
            UA_NotificationMessage_clear(message);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        UA_ExtensionObject_setValue(message->notificationData, dcn,
                                    &UA_TYPES[UA_TYPES_DATACHANGENOTIFICATION]);
        size_t dcnSize = sub->dataChangeNotifications;
        if(dcnSize > maxNotifications)
            dcnSize = maxNotifications;
        dcn->monitoredItems = (UA_MonitoredItemNotification*)
            UA_Array_new(dcnSize, &UA_TYPES[UA_TYPES_MONITOREDITEMNOTIFICATION]);
        if(!dcn->monitoredItems) {
            UA_NotificationMessage_clear(message);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        dcn->monitoredItemsSize = dcnSize;
        notificationDataIdx++;
    }

#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    size_t enlPos = 0; /* How many EventNotifications? */
    UA_EventNotificationList *enl = NULL;
    if(sub->eventNotifications > 0) {
        enl = UA_EventNotificationList_new();
        if(!enl) {
            UA_NotificationMessage_clear(message);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        UA_ExtensionObject_setValue(&message->notificationData[notificationDataIdx],
                                    enl, &UA_TYPES[UA_TYPES_EVENTNOTIFICATIONLIST]);
        size_t enlSize = sub->eventNotifications;
        if(enlSize > maxNotifications)
            enlSize = maxNotifications;
        enl->events = (UA_EventFieldList*)
            UA_Array_new(enlSize, &UA_TYPES[UA_TYPES_EVENTFIELDLIST]);
        if(!enl->events) {
            UA_NotificationMessage_clear(message);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        enl->eventsSize = enlSize;
        notificationDataIdx++;
    }
#endif

    UA_assert(notificationDataIdx > 0);
    message->notificationDataSize = notificationDataIdx;

    /* <-- The point of no return --> */

    /* How many notifications were moved to the response overall? */
    size_t totalNotifications = 0;
    UA_Notification *notification, *notification_tmp;
    TAILQ_FOREACH_SAFE(notification, &sub->notificationQueue,
                       globalEntry, notification_tmp) {
        if(totalNotifications >= maxNotifications)
            break;

        /* Move the content to the response */
        switch(notification->mon->itemToMonitor.attributeId) {
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
        case UA_ATTRIBUTEID_EVENTNOTIFIER:
            UA_assert(enl != NULL); /* Have at least one event notification */
            enl->events[enlPos] = notification->data.event;
            UA_EventFieldList_init(&notification->data.event);
            enlPos++;
            break;
#endif
        default:
            UA_assert(dcn != NULL); /* Have at least one change notification */
            dcn->monitoredItems[dcnPos] = notification->data.dataChange;
            UA_DataValue_init(&notification->data.dataChange.value);
            dcnPos++;
            break;
        }

        /* If there are Notifications *before this one* in the MonitoredItem-
         * local queue, remove all of them. These are earlier Notifications that
         * are non-reporting. And we don't want them to show up after the
         * current Notification has been sent out. */
        UA_Notification *prev;
        while((prev = TAILQ_PREV(notification, NotificationQueue, localEntry))) {
            UA_Notification_delete(prev);
        }

        /* Delete the notification, remove from the queues and decrease the counters */
        UA_Notification_delete(notification);

        totalNotifications++;
    }

    /* Set sizes */
    if(dcn) {
        dcn->monitoredItemsSize = dcnPos;
        if(dcnPos == 0) {
            UA_free(dcn->monitoredItems);
            dcn->monitoredItems = NULL;
        }
    }

#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    if(enl) {
        enl->eventsSize = enlPos;
        if(enlPos == 0) {
            UA_free(enl->events);
            enl->events = NULL;
        }
    }
#endif

    return UA_STATUSCODE_GOOD;
}

/* According to OPC Unified Architecture, Part 4 5.13.1.1 i) The value 0 is
 * never used for the sequence number */
static UA_UInt32
UA_Subscription_nextSequenceNumber(UA_UInt32 sequenceNumber) {
    UA_UInt32 nextSequenceNumber = sequenceNumber + 1;
    if(nextSequenceNumber == 0)
        nextSequenceNumber = 1;
    return nextSequenceNumber;
}

static void
publishCallback(UA_Server *server, UA_Subscription *sub) {
    UA_LOCK(&server->serviceMutex);
    UA_Subscription_sampleAndPublish(server, sub);
    UA_UNLOCK(&server->serviceMutex);
}

static void
sendStatusChangeDelete(UA_Server *server, UA_Subscription *sub,
                       UA_PublishResponseEntry *pre) {
    /* Cannot send out the StatusChange because no response is queued.
     * Delete the Subscription without sending the StatusChange. */
    if(!pre) {
        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                                  "Cannot send the StatusChange notification. "
                                  "Removing the subscription.");
        UA_Subscription_delete(server, sub);
        return;
    }

    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                              "Sending out a StatusChange "
                              "notification and removing the subscription");

    /* Populate the response */
    UA_PublishResponse *response = &pre->response;

    UA_StatusChangeNotification scn;
    UA_StatusChangeNotification_init(&scn);
    scn.status = sub->statusChange;

    UA_ExtensionObject notificationData;
    UA_ExtensionObject_setValue(&notificationData, &scn,
                                &UA_TYPES[UA_TYPES_STATUSCHANGENOTIFICATION]);

    response->responseHeader.timestamp = UA_DateTime_now();
    response->notificationMessage.notificationData = &notificationData;
    response->notificationMessage.notificationDataSize = 1;
    response->subscriptionId = sub->subscriptionId;
    response->notificationMessage.publishTime = response->responseHeader.timestamp;
    response->notificationMessage.sequenceNumber = sub->nextSequenceNumber;

    /* Send the response */
    UA_assert(sub->session); /* Otherwise pre is NULL */
    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                              "Sending out a publish response");
    sendResponse(server, sub->session, sub->session->header.channel, pre->requestId,
                 (UA_Response *)response, &UA_TYPES[UA_TYPES_PUBLISHRESPONSE]);

    /* Clean up */
    response->notificationMessage.notificationData = NULL;
    response->notificationMessage.notificationDataSize = 0;
    UA_PublishResponse_clear(&pre->response);
    UA_free(pre);

    /* Delete the subscription */
    UA_Subscription_delete(server, sub);
}

/* Called every time we set the subscription late (or it is still late) */
static void
UA_Subscription_isLate(UA_Subscription *sub) {
    sub->state = UA_SUBSCRIPTIONSTATE_LATE;
#ifdef UA_ENABLE_DIAGNOSTICS
    sub->latePublishRequestCount++;
#endif
}

/* Returns true if done */
UA_Boolean
UA_Subscription_publishOnce(UA_Server *server, UA_Subscription *sub) {
    /* Dequeue a response */
    UA_PublishResponseEntry *pre = NULL;
    if(sub->session)
        pre = UA_Session_dequeuePublishReq(sub->session);

    /* Update the LifetimeCounter */
    if(pre) {
        sub->currentLifetimeCount = 0;
    } else {
        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                                  "The publish queue is empty");
        ++sub->currentLifetimeCount;
        if(sub->currentLifetimeCount > sub->lifeTimeCount) {
            UA_LOG_WARNING_SUBSCRIPTION(&server->config.logger, sub,
                                        "End of subscription lifetime");
            /* Set the StatusChange to delete the subscription. */
            sub->statusChange = UA_STATUSCODE_BADTIMEOUT;
        }
    }

    /* Send a StatusChange notification if possible and delete the
     * Subscription */
    if(sub->statusChange != UA_STATUSCODE_GOOD) {
        sendStatusChangeDelete(server, sub, pre);
        return true;
    }

    /* Count the available notifications */
    UA_UInt32 notifications = (sub->publishingEnabled) ? sub->notificationQueueSize : 0;
    if(notifications > sub->notificationsPerPublish)
        notifications = sub->notificationsPerPublish;

    /* Return if no notifications and no keepalive */
    if(notifications == 0) {
        ++sub->currentKeepAliveCount;
        if(sub->currentKeepAliveCount < sub->maxKeepAliveCount) {
            if(pre)
                UA_Session_queuePublishReq(sub->session, pre, true); /* Re-enqueue */
            return true;
        }
        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub, "Sending a KeepAlive");
    }

    /* We want to send a response, but cannot. Either because there is no queued
     * response or because the Subscription is detached from a Session or because
     * the SecureChannel for the Session is closed. */
    if(!pre || !sub->session || !sub->session->header.channel) {
        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                                  "Want to send a publish response but cannot. "
                                  "The subscription is late.");
        UA_Subscription_isLate(sub);
        if(pre)
            UA_Session_queuePublishReq(sub->session, pre, true); /* Re-enqueue */
        return true;
    }

    UA_assert(pre);
    UA_assert(sub->session); /* Otherwise pre is NULL */

    /* Prepare the response */
    UA_PublishResponse *response = &pre->response;
    UA_NotificationMessage *message = &response->notificationMessage;
    UA_NotificationMessageEntry *retransmission = NULL;
#ifdef UA_ENABLE_DIAGNOSTICS
    size_t priorDataChangeNotifications = sub->dataChangeNotifications;
    size_t priorEventNotifications = sub->eventNotifications;
#endif
    if(notifications > 0) {
        if(server->config.enableRetransmissionQueue) {
            /* Allocate the retransmission entry */
            retransmission = (UA_NotificationMessageEntry*)
                UA_malloc(sizeof(UA_NotificationMessageEntry));
            if(!retransmission) {
                UA_LOG_WARNING_SUBSCRIPTION(&server->config.logger, sub,
                                            "Could not allocate memory for retransmission. "
                                            "The subscription is late.");

                UA_Subscription_isLate(sub);
                UA_Session_queuePublishReq(sub->session, pre, true); /* Re-enqueue */
                return true;
            }
        }

        /* Prepare the response */
        UA_StatusCode retval =
            prepareNotificationMessage(server, sub, message, notifications);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING_SUBSCRIPTION(&server->config.logger, sub,
                                        "Could not prepare the notification message. "
                                        "The subscription is late.");
            /* If the retransmission queue is enabled a retransmission message is allocated */
            if(retransmission)
                UA_free(retransmission);
            UA_Subscription_isLate(sub);
            UA_Session_queuePublishReq(sub->session, pre, true); /* Re-enqueue */
            return true;
        }
    }

    /* <-- The point of no return --> */

    /* Set up the response */
    response->responseHeader.timestamp = UA_DateTime_now();
    response->subscriptionId = sub->subscriptionId;
    response->moreNotifications = (sub->notificationQueueSize > 0);
    message->publishTime = response->responseHeader.timestamp;

    /* Set sequence number to message. Started at 1 which is given during
     * creating a new subscription. The 1 is required for initial publish
     * response with or without an monitored item. */
    message->sequenceNumber = sub->nextSequenceNumber;

    if(notifications > 0) {
        /* If the retransmission queue is enabled a retransmission message is
         * allocated */
        if(retransmission) {
            /* Put the notification message into the retransmission queue. This
             * needs to be done here, so that the message itself is included in
             * the available sequence numbers for acknowledgement. */
            retransmission->message = response->notificationMessage;
            UA_Subscription_addRetransmissionMessage(server, sub, retransmission);
        }
        /* Only if a notification was created, the sequence number must be
         * increased. For a keepalive the sequence number can be reused. */
        sub->nextSequenceNumber =
            UA_Subscription_nextSequenceNumber(sub->nextSequenceNumber);
    }

    /* Get the available sequence numbers from the retransmission queue */
    UA_assert(sub->retransmissionQueueSize <= UA_MAX_RETRANSMISSIONQUEUESIZE);
    UA_UInt32 seqNumbers[UA_MAX_RETRANSMISSIONQUEUESIZE];
    response->availableSequenceNumbers = seqNumbers;
    response->availableSequenceNumbersSize = sub->retransmissionQueueSize;
    size_t i = 0;
    UA_NotificationMessageEntry *nme;
    TAILQ_FOREACH(nme, &sub->retransmissionQueue, listEntry) {
        response->availableSequenceNumbers[i] = nme->message.sequenceNumber;
        ++i;
    }
    UA_assert(i == sub->retransmissionQueueSize);

    /* Send the response */
    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                              "Sending out a publish response with %" PRIu32
                              " notifications", notifications);
    sendResponse(server, sub->session, sub->session->header.channel, pre->requestId,
                 (UA_Response*)response, &UA_TYPES[UA_TYPES_PUBLISHRESPONSE]);

    /* Reset the Subscription state to NORMAL. But only if all notifications
     * have been sent out. Otherwise keep the Subscription in the LATE state. So
     * we immediately answer incoming Publish requests.
     *
     * (We also check that session->responseQueueSize > 0 in Service_Publish. To
     * avoid answering Publish requests out of order. As we additionally may
     * schedule an immediate next publishOnce if UA_Subscription_publishOnce
     * returns "not done".) */
    if(sub->notificationQueueSize == 0)
        sub->state = UA_SUBSCRIPTIONSTATE_NORMAL;

    /* Reset the KeepAlive after publishing */
    sub->currentKeepAliveCount = 0;

    /* Free the response */
    if(retransmission)
        /* NotificationMessage was moved into retransmission queue */
        UA_NotificationMessage_init(&response->notificationMessage);
    response->availableSequenceNumbers = NULL;
    response->availableSequenceNumbersSize = 0;
    UA_PublishResponse_clear(&pre->response);
    UA_free(pre);

    /* Update the diagnostics statistics */
#ifdef UA_ENABLE_DIAGNOSTICS
    sub->publishRequestCount++;

    UA_UInt32 sentDCN = (UA_UInt32)
        (priorDataChangeNotifications - sub->dataChangeNotifications);
    UA_UInt32 sentEN = (UA_UInt32)(priorEventNotifications - sub->eventNotifications);
    sub->dataChangeNotificationsCount += sentDCN;
    sub->eventNotificationsCount += sentEN;
    sub->notificationsCount += (sentDCN + sentEN);
#endif

    /* Re-run publishing if notifications are remaining */
    return (sub->notificationQueueSize == 0);
}

/* Repeat the main publishing callback until all notifications are sent out or
 * we have to stop */
void
UA_Subscription_publish(UA_Server *server, UA_Subscription *sub) {
    UA_Boolean done = false;
    do {
        done = UA_Subscription_publishOnce(server, sub);
    } while(!done);
}

void
UA_Subscription_sampleAndPublish(UA_Server *server, UA_Subscription *sub) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);
    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                              "Sample and Publish Callback");
    UA_assert(sub);

    /* Sample the MonitoredItems with sampling interval <0 (which implies
     * sampling in the same interval as the subscription) */
    UA_MonitoredItem *mon;
    LIST_FOREACH(mon, &sub->samplingMonitoredItems, sampling.samplingListEntry) {
        monitoredItem_sampleCallback(server, mon);
    }

    /* Publish the queued notifications */
    UA_Subscription_publish(server, sub);
}

UA_Boolean
UA_Session_reachedPublishReqLimit(UA_Server *server, UA_Session *session) {
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Reached number of publish request limit");

    /* Dequeue a response */
    UA_PublishResponseEntry *pre = UA_Session_dequeuePublishReq(session);

    /* Cannot publish without a response */
    if(!pre) {
        UA_LOG_FATAL_SESSION(&server->config.logger, session,
                             "No publish requests available");
        return false;
    }

    /* <-- The point of no return --> */

    UA_PublishResponse *response = &pre->response;
    UA_NotificationMessage *message = &response->notificationMessage;

    /* Set up the response. Note that this response has no related subscription id */
    response->responseHeader.timestamp = UA_DateTime_now();
    response->responseHeader.serviceResult = UA_STATUSCODE_BADTOOMANYPUBLISHREQUESTS;
    response->subscriptionId = 0;
    response->moreNotifications = false;
    message->publishTime = response->responseHeader.timestamp;
    message->sequenceNumber = 0;
    response->availableSequenceNumbersSize = 0;

    /* Send the response */
    UA_LOG_DEBUG_SESSION(&server->config.logger, session,
                         "Sending out a publish response triggered by too many publish requests");
    sendResponse(server, session, session->header.channel, pre->requestId,
                 (UA_Response*)response, &UA_TYPES[UA_TYPES_PUBLISHRESPONSE]);

    /* Free the response */
    UA_Array_delete(response->results, response->resultsSize, &UA_TYPES[UA_TYPES_UINT32]);
    UA_free(pre); /* no need for UA_PublishResponse_clear */

    return true;
}

UA_StatusCode
Subscription_registerPublishCallback(UA_Server *server, UA_Subscription *sub) {
    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                              "Register subscription publishing callback");
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    if(sub->publishCallbackId > 0)
        return UA_STATUSCODE_GOOD;

    UA_StatusCode retval =
        addRepeatedCallback(server, (UA_ServerCallback)publishCallback,
                            sub, sub->publishingInterval, &sub->publishCallbackId);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    UA_assert(sub->publishCallbackId > 0);
    return UA_STATUSCODE_GOOD;
}

void
Subscription_unregisterPublishCallback(UA_Server *server, UA_Subscription *sub) {
    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                              "Unregister subscription publishing callback");

    if(sub->publishCallbackId == 0)
        return;

    removeCallback(server, sub->publishCallbackId);
    sub->publishCallbackId = 0;
}

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/**** amalgamated original file "/src/server/ua_subscription_monitoreditem.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 *
 *    Copyright 2017-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2018 (c) Ari Breitkreuz, fortiss GmbH
 *    Copyright 2018 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2018 (c) Fabian Arndt, Root-Core
 *    Copyright 2020-2021 (c) Christian von Arnim, ISW University of Stuttgart (for VDW and umati)
 */


#ifdef UA_ENABLE_SUBSCRIPTIONS /* conditional compilation */

/****************/
/* Notification */
/****************/

#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS

static const UA_NodeId eventQueueOverflowEventType =
    {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_EVENTQUEUEOVERFLOWEVENTTYPE}};

/* The specification states in Part 4 5.12.1.5 that an EventQueueOverflowEvent
 * "is generated when the first Event has to be discarded [...] without
 * discarding any other event". So only generate one for all deleted events. */
static UA_StatusCode
createEventOverflowNotification(UA_Server *server, UA_Subscription *sub,
                                UA_MonitoredItem *mon) {
    /* Avoid creating two adjacent overflow events */
    UA_Notification *indicator = NULL;
    if(mon->parameters.discardOldest) {
        indicator = TAILQ_FIRST(&mon->queue);
        UA_assert(indicator); /* must exist */
        if(indicator->isOverflowEvent)
            return UA_STATUSCODE_GOOD;
    } else {
        indicator = TAILQ_LAST(&mon->queue, NotificationQueue);
        UA_assert(indicator); /* must exist */
        /* Skip the last element. It is the recently added notification that
         * shall be kept. We know it is not an OverflowEvent. */
        UA_Notification *before = TAILQ_PREV(indicator, NotificationQueue, localEntry);
        if(before && before->isOverflowEvent)
            return UA_STATUSCODE_GOOD;
    }

    /* A Notification is inserted into the queue which includes only the
     * NodeId of the OverflowEventType. */

    /* Allocate the notification */
    UA_Notification *overflowNotification = UA_Notification_new();
    if(!overflowNotification)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Set the notification fields */
    overflowNotification->isOverflowEvent = true;
    overflowNotification->mon = mon;
    overflowNotification->data.event.clientHandle = mon->parameters.clientHandle;
    overflowNotification->data.event.eventFields = UA_Variant_new();
    if(!overflowNotification->data.event.eventFields) {
        UA_free(overflowNotification);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    overflowNotification->data.event.eventFieldsSize = 1;
    UA_StatusCode retval =
        UA_Variant_setScalarCopy(overflowNotification->data.event.eventFields,
                                 &eventQueueOverflowEventType, &UA_TYPES[UA_TYPES_NODEID]);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_Notification_delete(overflowNotification);
        return retval;
    }

    /* Insert before the removed notification. This is either first in the
     * queue (if the oldest notification was removed) or before the new event
     * that remains the last element of the queue.
     *
     * Ensure that the following is consistent with UA_Notification_enqueueMon
     * and UA_Notification_enqueueSub! */
    TAILQ_INSERT_BEFORE(indicator, overflowNotification, localEntry);
    ++mon->eventOverflows;
    ++mon->queueSize;

    /* Test for consistency */
    UA_assert(mon->queueSize >= mon->eventOverflows);
    UA_assert(mon->eventOverflows <= mon->queueSize - mon->eventOverflows + 1);

    if(TAILQ_NEXT(indicator, globalEntry) != UA_SUBSCRIPTION_QUEUE_SENTINEL) {
        /* Insert just before the indicator */
        TAILQ_INSERT_BEFORE(indicator, overflowNotification, globalEntry);
    } else {
        /* The indicator was not reporting or not added yet. */
        if(!mon->parameters.discardOldest) {
            /* Add last to the per-Subscription queue */
            TAILQ_INSERT_TAIL(&mon->subscription->notificationQueue,
                              overflowNotification, globalEntry);
        } else {
            /* Find the oldest reported element. Add before that. */
            while(indicator) {
                indicator = TAILQ_PREV(indicator, NotificationQueue, localEntry);
                if(!indicator) {
                    TAILQ_INSERT_TAIL(&mon->subscription->notificationQueue,
                                      overflowNotification, globalEntry);
                    break;
                }
                if(TAILQ_NEXT(indicator, globalEntry) != UA_SUBSCRIPTION_QUEUE_SENTINEL) {
                    TAILQ_INSERT_BEFORE(indicator, overflowNotification, globalEntry);
                    break;
                }
            }
        }
    }

    ++sub->notificationQueueSize;
    ++sub->eventNotifications;

    /* Update the diagnostics statistics */
#ifdef UA_ENABLE_DIAGNOSTICS
    sub->eventQueueOverFlowCount++;
#endif

    return UA_STATUSCODE_GOOD;
}

#endif

/* Set the InfoBits that a datachange notification was removed */
static void
setOverflowInfoBits(UA_MonitoredItem *mon) {
    /* Only for queues with more than one element */
    if(mon->parameters.queueSize == 1)
        return;

    UA_Notification *indicator = NULL;
    if(mon->parameters.discardOldest) {
        indicator = TAILQ_FIRST(&mon->queue);
    } else {
        indicator = TAILQ_LAST(&mon->queue, NotificationQueue);
    }
    UA_assert(indicator); /* must exist */

    indicator->data.dataChange.value.hasStatus = true;
    indicator->data.dataChange.value.status |=
        (UA_STATUSCODE_INFOTYPE_DATAVALUE | UA_STATUSCODE_INFOBITS_OVERFLOW);
}

/* Remove the InfoBits when the queueSize was reduced to 1 */
void
UA_MonitoredItem_removeOverflowInfoBits(UA_MonitoredItem *mon) {
    /* Don't consider queue size > 1 and Event MonitoredItems */
    if(mon->parameters.queueSize > 1 ||
       mon->itemToMonitor.attributeId == UA_ATTRIBUTEID_EVENTNOTIFIER)
        return;

    /* Get the first notification */
    UA_Notification *n = TAILQ_FIRST(&mon->queue);
    if(!n)
        return;

    /* Assertion that at most one notification is in the queue */
    UA_assert(n == TAILQ_LAST(&mon->queue, NotificationQueue));

    /* Remve the Infobits */
    n->data.dataChange.value.status &= ~(UA_StatusCode)
        (UA_STATUSCODE_INFOTYPE_DATAVALUE | UA_STATUSCODE_INFOBITS_OVERFLOW);
}

UA_Notification *
UA_Notification_new(void) {
    UA_Notification *n = (UA_Notification*)UA_calloc(1, sizeof(UA_Notification));
    if(n) {
        /* Set the sentinel for a notification that is not enqueued */
        TAILQ_NEXT(n, globalEntry) = UA_SUBSCRIPTION_QUEUE_SENTINEL;
        TAILQ_NEXT(n, localEntry) = UA_SUBSCRIPTION_QUEUE_SENTINEL;
    }
    return n;
}

static void UA_Notification_dequeueMon(UA_Notification *n);
static void UA_Notification_enqueueSub(UA_Notification *n);
static void UA_Notification_dequeueSub(UA_Notification *n);

void
UA_Notification_delete(UA_Notification *n) {
    UA_assert(n != UA_SUBSCRIPTION_QUEUE_SENTINEL);
    if(n->mon) {
        UA_Notification_dequeueMon(n);
        UA_Notification_dequeueSub(n);
        switch(n->mon->itemToMonitor.attributeId) {
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
        case UA_ATTRIBUTEID_EVENTNOTIFIER:
            UA_EventFieldList_clear(&n->data.event);
            UA_EventFilterResult_clear(&n->result);
            break;
#endif
        default:
            UA_MonitoredItemNotification_clear(&n->data.dataChange);
            break;
        }
    }
    UA_free(n);
}

/* Add to the MonitoredItem queue, update all counters and then handle overflow */
static void
UA_Notification_enqueueMon(UA_Server *server, UA_Notification *n) {
    UA_MonitoredItem *mon = n->mon;
    UA_assert(mon);
    UA_assert(TAILQ_NEXT(n, localEntry) == UA_SUBSCRIPTION_QUEUE_SENTINEL);

    /* Add to the MonitoredItem */
    TAILQ_INSERT_TAIL(&mon->queue, n, localEntry);
    ++mon->queueSize;

#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    if(n->isOverflowEvent)
        ++mon->eventOverflows;
#endif

    /* Test for consistency */
    UA_assert(mon->queueSize >= mon->eventOverflows);
    UA_assert(mon->eventOverflows <= mon->queueSize - mon->eventOverflows + 1);

    /* Ensure enough space is available in the MonitoredItem. Do this only after
     * adding the new Notification. */
    UA_MonitoredItem_ensureQueueSpace(server, mon);

    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, mon->subscription,
                              "MonitoredItem %" PRIi32 " | "
                              "Notification enqueued (Queue size %lu / %lu)",
                              mon->monitoredItemId,
                              (long unsigned)mon->queueSize,
                              (long unsigned)mon->parameters.queueSize);
}

void
UA_Notification_enqueueSub(UA_Notification *n) {
    UA_MonitoredItem *mon = n->mon;
    UA_assert(mon);

    UA_Subscription *sub = mon->subscription;
    UA_assert(sub);

    if(TAILQ_NEXT(n, globalEntry) != UA_SUBSCRIPTION_QUEUE_SENTINEL)
        return;

    /* Add to the subscription if reporting is enabled */
    TAILQ_INSERT_TAIL(&sub->notificationQueue, n, globalEntry);
    ++sub->notificationQueueSize;

    switch(mon->itemToMonitor.attributeId) {
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    case UA_ATTRIBUTEID_EVENTNOTIFIER:
        ++sub->eventNotifications;
        break;
#endif
    default:
        ++sub->dataChangeNotifications;
        break;
    }
}

void
UA_Notification_enqueueAndTrigger(UA_Server *server, UA_Notification *n) {
    UA_MonitoredItem *mon = n->mon;
    UA_Subscription *sub = mon->subscription;
    UA_assert(sub); /* This function is never called for local MonitoredItems */

    /* If reporting or (sampled+triggered), enqueue into the Subscription first
     * and then into the MonitoredItem. UA_MonitoredItem_ensureQueueSpace
     * (called within UA_Notification_enqueueMon) assumes the notification is
     * already in the Subscription's publishing queue. */
    if(mon->monitoringMode == UA_MONITORINGMODE_REPORTING ||
       (mon->monitoringMode == UA_MONITORINGMODE_SAMPLING &&
        mon->triggeredUntil > UA_DateTime_nowMonotonic())) {
        UA_Notification_enqueueSub(n);
        mon->triggeredUntil = UA_INT64_MIN;
        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, mon->subscription,
                                  "Notification enqueued (Queue size %lu)",
                                  (long unsigned)mon->subscription->notificationQueueSize);
    }

    /* Insert into the MonitoredItem. This checks the queue size and
     * handles overflow. */
    UA_Notification_enqueueMon(server, n);

    for(size_t i = mon->triggeringLinksSize - 1; i < mon->triggeringLinksSize; i--) {
        /* Get the triggered MonitoredItem. Remove the link if the MI doesn't exist. */
        UA_MonitoredItem *triggeredMon =
            UA_Subscription_getMonitoredItem(sub, mon->triggeringLinks[i]);
        if(!triggeredMon) {
            UA_MonitoredItem_removeLink(sub, mon, mon->triggeringLinks[i]);
            continue;
        }

        /* Only sampling MonitoredItems receive a trigger. Reporting
         * MonitoredItems send out Notifications anyway and disabled
         * MonitoredItems don't create samples to send. */
        if(triggeredMon->monitoringMode != UA_MONITORINGMODE_SAMPLING)
            continue;

        /* Get the latest sampled Notification from the triggered MonitoredItem.
         * Enqueue for publication. */
        UA_Notification *n2 = TAILQ_LAST(&triggeredMon->queue, NotificationQueue);
        if(n2)
            UA_Notification_enqueueSub(n2);

        /* The next Notification within the publishing interval is going to be
         * published as well. (Falsely) assume that the publishing cycle has
         * started right now, so that we don't have to loop over MonitoredItems
         * to deactivate the triggering after the publishing cycle. */
        triggeredMon->triggeredUntil = UA_DateTime_nowMonotonic() +
            (UA_DateTime)(sub->publishingInterval * (UA_Double)UA_DATETIME_MSEC);

        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                                  "MonitoredItem %u triggers MonitoredItem %u",
                                  mon->monitoredItemId, triggeredMon->monitoredItemId);
    }
}

/* Remove from the MonitoredItem queue and adjust all counters */
static void
UA_Notification_dequeueMon(UA_Notification *n) {
    UA_MonitoredItem *mon = n->mon;
    UA_assert(mon);

    if(TAILQ_NEXT(n, localEntry) == UA_SUBSCRIPTION_QUEUE_SENTINEL)
        return;

    /* Remove from the MonitoredItem queue */
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    if(n->isOverflowEvent)
        --mon->eventOverflows;
#endif

    TAILQ_REMOVE(&mon->queue, n, localEntry);
    --mon->queueSize;

    /* Test for consistency */
    UA_assert(mon->queueSize >= mon->eventOverflows);
    UA_assert(mon->eventOverflows <= mon->queueSize - mon->eventOverflows + 1);

    /* Reset the sentintel */
    TAILQ_NEXT(n, localEntry) = UA_SUBSCRIPTION_QUEUE_SENTINEL;
}

void
UA_Notification_dequeueSub(UA_Notification *n) {
    if(TAILQ_NEXT(n, globalEntry) == UA_SUBSCRIPTION_QUEUE_SENTINEL)
        return;

    UA_MonitoredItem *mon = n->mon;
    UA_assert(mon);
    UA_Subscription *sub = mon->subscription;
    UA_assert(sub);

    switch(mon->itemToMonitor.attributeId) {
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    case UA_ATTRIBUTEID_EVENTNOTIFIER:
        --sub->eventNotifications;
        break;
#endif
    default:
        --sub->dataChangeNotifications;
        break;
    }

    TAILQ_REMOVE(&sub->notificationQueue, n, globalEntry);
    --sub->notificationQueueSize;

    /* Reset the sentinel */
    TAILQ_NEXT(n, globalEntry) = UA_SUBSCRIPTION_QUEUE_SENTINEL;
}

/*****************/
/* MonitoredItem */
/*****************/

void
UA_MonitoredItem_init(UA_MonitoredItem *mon) {
    memset(mon, 0, sizeof(UA_MonitoredItem));
    TAILQ_INIT(&mon->queue);
    mon->triggeredUntil = UA_INT64_MIN;
}

static UA_StatusCode
addMonitoredItemBackpointer(UA_Server *server, UA_Session *session,
                            UA_Node *node, void *data) {
    UA_MonitoredItem *mon = (UA_MonitoredItem*)data;
    UA_assert(mon != (UA_MonitoredItem*)~0);
    mon->sampling.nodeListNext = node->head.monitoredItems;
    node->head.monitoredItems = mon;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
removeMonitoredItemBackPointer(UA_Server *server, UA_Session *session,
                               UA_Node *node, void *data) {
    if(!node->head.monitoredItems)
        return UA_STATUSCODE_GOOD;

    /* Edge case that it's the first element */
    UA_MonitoredItem *remove = (UA_MonitoredItem*)data;
    if(node->head.monitoredItems == remove) {
        node->head.monitoredItems = remove->sampling.nodeListNext;
        return UA_STATUSCODE_GOOD;
    }

    UA_MonitoredItem *prev = node->head.monitoredItems;
    UA_MonitoredItem *entry = prev->sampling.nodeListNext;
    for(; entry != NULL; prev = entry, entry = entry->sampling.nodeListNext) {
        if(entry == remove) {
            prev->sampling.nodeListNext = entry->sampling.nodeListNext;
            break;
        }
    }

    return UA_STATUSCODE_GOOD;
}

void
UA_Server_registerMonitoredItem(UA_Server *server, UA_MonitoredItem *mon) {
    if(mon->registered)
        return;

    /* Register in Subscription and Server */
    UA_Subscription *sub = mon->subscription;
    if(sub) {
        mon->monitoredItemId = ++sub->lastMonitoredItemId;
        mon->subscription = sub;
        sub->monitoredItemsSize++;
        LIST_INSERT_HEAD(&sub->monitoredItems, mon, listEntry);
    } else {
        mon->monitoredItemId = ++server->lastLocalMonitoredItemId;
        LIST_INSERT_HEAD(&server->localMonitoredItems, mon, listEntry);
    }
    server->monitoredItemsSize++;

    /* Register the MonitoredItem in userland */
    if(server->config.monitoredItemRegisterCallback) {
        UA_Session *session = &server->adminSession;
        if(sub)
            session = sub->session;

        void *targetContext = NULL;
        getNodeContext(server, mon->itemToMonitor.nodeId, &targetContext);
        UA_UNLOCK(&server->serviceMutex);
        server->config.monitoredItemRegisterCallback(server,
                                                     session ? &session->sessionId : NULL,
                                                     session ? session->sessionHandle : NULL,
                                                     &mon->itemToMonitor.nodeId,
                                                     targetContext,
                                                     mon->itemToMonitor.attributeId, false);
        UA_LOCK(&server->serviceMutex);
    }

    mon->registered = true;
}

static void
UA_Server_unregisterMonitoredItem(UA_Server *server, UA_MonitoredItem *mon) {
    if(!mon->registered)
        return;

    UA_Subscription *sub = mon->subscription;
    UA_LOG_INFO_SUBSCRIPTION(&server->config.logger, sub,
                             "MonitoredItem %" PRIi32 " | Deleting the MonitoredItem",
                             mon->monitoredItemId);

    /* Deregister MonitoredItem in userland */
    if(server->config.monitoredItemRegisterCallback) {
        UA_Session *session = &server->adminSession;
        if(sub)
            session = sub->session;

        void *targetContext = NULL;
        getNodeContext(server, mon->itemToMonitor.nodeId, &targetContext);
        UA_UNLOCK(&server->serviceMutex);
        server->config.monitoredItemRegisterCallback(server,
                                                     session ? &session->sessionId : NULL,
                                                     session ? session->sessionHandle : NULL,
                                                     &mon->itemToMonitor.nodeId,
                                                     targetContext,
                                                     mon->itemToMonitor.attributeId, true);
        UA_LOCK(&server->serviceMutex);
    }

    /* Deregister in Subscription and server */
    if(sub)
        sub->monitoredItemsSize--;
    LIST_REMOVE(mon, listEntry); /* Also for LocalMonitoredItems */
    server->monitoredItemsSize--;

    mon->registered = false;
}

UA_StatusCode
UA_MonitoredItem_setMonitoringMode(UA_Server *server, UA_MonitoredItem *mon,
                                   UA_MonitoringMode monitoringMode) {
    /* Check if the MonitoringMode is valid or not */
    if(monitoringMode > UA_MONITORINGMODE_REPORTING)
        return UA_STATUSCODE_BADMONITORINGMODEINVALID;

    /* Set the MonitoringMode, store the old mode */
    UA_MonitoringMode oldMode = mon->monitoringMode;
    mon->monitoringMode = monitoringMode;

    UA_Notification *notification;
    /* Reporting is disabled. This causes all Notifications to be dequeued and
     * deleted. Also remove the last samples so that we immediately generate a
     * Notification when re-activated. */
    if(mon->monitoringMode == UA_MONITORINGMODE_DISABLED) {
        UA_Notification *notification_tmp;
        UA_MonitoredItem_unregisterSampling(server, mon);
        TAILQ_FOREACH_SAFE(notification, &mon->queue, localEntry, notification_tmp) {
            UA_Notification_delete(notification);
        }
        UA_DataValue_clear(&mon->lastValue);
        return UA_STATUSCODE_GOOD;
    }

    /* When reporting is enabled, put all notifications that were already
     * sampled into the global queue of the subscription. When sampling is
     * enabled, remove all notifications from the global queue. !!! This needs
     * to be the same operation as in UA_Notification_enqueue !!! */
    if(mon->monitoringMode == UA_MONITORINGMODE_REPORTING) {
        /* Make all notifications reporting. Re-enqueue to ensure they have the
         * right order if some notifications are already reported by a trigger
         * link. */
        TAILQ_FOREACH(notification, &mon->queue, localEntry) {
            UA_Notification_dequeueSub(notification);
            UA_Notification_enqueueSub(notification);
        }
    } else /* mon->monitoringMode == UA_MONITORINGMODE_SAMPLING */ {
        /* Make all notifications non-reporting */
        TAILQ_FOREACH(notification, &mon->queue, localEntry)
            UA_Notification_dequeueSub(notification);
    }

    /* Register the sampling callback with an interval. If registering the
     * sampling callback failed, set to disabled. But don't delete the current
     * notifications. */
    UA_StatusCode res = UA_MonitoredItem_registerSampling(server, mon);
    if(res != UA_STATUSCODE_GOOD) {
        mon->monitoringMode = UA_MONITORINGMODE_DISABLED;
        return res;
    }

    /* Manually create the first sample if the MonitoredItem was disabled, the
     * MonitoredItem is now sampling (or reporting) and it is not an
     * Event-MonitoredItem */
    if(oldMode == UA_MONITORINGMODE_DISABLED &&
       mon->monitoringMode > UA_MONITORINGMODE_DISABLED &&
       mon->itemToMonitor.attributeId != UA_ATTRIBUTEID_EVENTNOTIFIER)
        monitoredItem_sampleCallback(server, mon);

    return UA_STATUSCODE_GOOD;
}

void
UA_MonitoredItem_delete(UA_Server *server, UA_MonitoredItem *mon) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Remove the sampling callback */
    UA_MonitoredItem_unregisterSampling(server, mon);

    /* Deregister in Server and Subscription */
    if(mon->registered)
        UA_Server_unregisterMonitoredItem(server, mon);

    /* Remove the TriggeringLinks */
    if(mon->triggeringLinksSize > 0) {
        UA_free(mon->triggeringLinks);
        mon->triggeringLinks = NULL;
        mon->triggeringLinksSize = 0;
    }

    /* Remove the queued notifications attached to the subscription */
    UA_Notification *notification, *notification_tmp;
    TAILQ_FOREACH_SAFE(notification, &mon->queue, localEntry, notification_tmp) {
        UA_Notification_delete(notification);
    }

    /* Remove the settings */
    UA_ReadValueId_clear(&mon->itemToMonitor);
    UA_MonitoringParameters_clear(&mon->parameters);

    /* Remove the last samples */
    UA_DataValue_clear(&mon->lastValue);

    /* Add a delayed callback to remove the MonitoredItem when the current jobs
     * have completed. This is needed to allow that a local MonitoredItem can
     * remove itself in the callback. */
    mon->delayedFreePointers.callback = NULL;
    mon->delayedFreePointers.application = server;
    mon->delayedFreePointers.data = NULL;
    mon->delayedFreePointers.nextTime = UA_DateTime_nowMonotonic() + 1;
    mon->delayedFreePointers.interval = 0;
    UA_Timer_addTimerEntry(&server->timer, &mon->delayedFreePointers, NULL);
}

void
UA_MonitoredItem_ensureQueueSpace(UA_Server *server, UA_MonitoredItem *mon) {
    /* There can be only one EventOverflow more than normal entries. Because
     * EventOverflows are never adjacent. */
    UA_assert(mon->queueSize >= mon->eventOverflows);
    UA_assert(mon->eventOverflows <= mon->queueSize - mon->eventOverflows + 1);

    /* Always attached to a Subscription (no local MonitoredItem) */
    UA_Subscription *sub = mon->subscription;
    UA_assert(sub);

    /* Nothing to do */
    if(mon->queueSize - mon->eventOverflows <= mon->parameters.queueSize)
        return;
    
    /* Remove notifications until the required queue size is reached */
    UA_Boolean reporting = false;
    size_t remove = mon->queueSize - mon->eventOverflows - mon->parameters.queueSize;
    while(remove > 0) {
        /* The minimum queue size (without EventOverflows) is 1. At least two
         * notifications that are not EventOverflows are in the queue. */
        UA_assert(mon->queueSize - mon->eventOverflows >= 2);

        /* Select the next notification to delete. Skip over overflow events. */
        UA_Notification *del = NULL;
        if(mon->parameters.discardOldest) {
            /* Remove the oldest */
            del = TAILQ_FIRST(&mon->queue);
#if defined(UA_ENABLE_SUBSCRIPTIONS_EVENTS) && !defined(__clang_analyzer__)
            while(del->isOverflowEvent)
                del = TAILQ_NEXT(del, localEntry); /* skip overflow events */
#endif
        } else {
            /* Remove the second newest (to keep the up-to-date notification).
             * The last entry is not an OverflowEvent -- we just added it. */
            del = TAILQ_LAST(&mon->queue, NotificationQueue);
            del = TAILQ_PREV(del, NotificationQueue, localEntry);
#if defined(UA_ENABLE_SUBSCRIPTIONS_EVENTS) && !defined(__clang_analyzer__)
            while(del->isOverflowEvent)
                del = TAILQ_PREV(del, NotificationQueue, localEntry); /* skip overflow events */
#endif
        }

        UA_assert(del); /* There must have been one entry that can be deleted */

        /* Only create OverflowEvents (and set InfoBits) if the notification
         * that is removed is reported */
        if(TAILQ_NEXT(del, globalEntry) != UA_SUBSCRIPTION_QUEUE_SENTINEL)
            reporting = true;

        /* Move the entry after del in the per-MonitoredItem queue right after
         * del in the per-Subscription queue. So we don't starve MonitoredItems
         * with a high sampling interval in the Subscription queue by always
         * removing their first appearance in the per-Subscription queue.
         *
         * With MonitoringMode == SAMPLING, the Notifications are not (all) in
         * the per-Subscription queue. Don't reinsert in that case.
         *
         * For the reinsertion to work, first insert into the per-Subscription
         * queue. */
        if(TAILQ_NEXT(del, globalEntry) != UA_SUBSCRIPTION_QUEUE_SENTINEL) {
            UA_Notification *after_del = TAILQ_NEXT(del, localEntry);
            UA_assert(after_del); /* There must be one remaining element after del */
            if(TAILQ_NEXT(after_del, globalEntry) != UA_SUBSCRIPTION_QUEUE_SENTINEL) {
                TAILQ_REMOVE(&sub->notificationQueue, after_del, globalEntry);
                TAILQ_INSERT_AFTER(&sub->notificationQueue, del, after_del, globalEntry);
            }
        }

        remove--;

        /* Delete the notification and remove it from the queues */
        UA_Notification_delete(del);

        /* Update the subscription diagnostics statistics */
#ifdef UA_ENABLE_DIAGNOSTICS
        sub->monitoringQueueOverflowCount++;
#endif

        /* Assertions to help Clang's scan-analyzer */
        UA_assert(del != TAILQ_FIRST(&mon->queue));
        UA_assert(del != TAILQ_LAST(&mon->queue, NotificationQueue));
        UA_assert(del != TAILQ_PREV(TAILQ_LAST(&mon->queue, NotificationQueue),
                                    NotificationQueue, localEntry));
    }

        /* Leave an entry to indicate that notifications were removed */
    if(reporting) {
#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
        if(mon->itemToMonitor.attributeId == UA_ATTRIBUTEID_EVENTNOTIFIER)
            createEventOverflowNotification(server, sub, mon);
        else
#endif
            setOverflowInfoBits(mon);
    }
}

UA_StatusCode
UA_MonitoredItem_registerSampling(UA_Server *server, UA_MonitoredItem *mon) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Sampling is already registered */
    if(mon->samplingType != UA_MONITOREDITEMSAMPLINGTYPE_NONE)
        return UA_STATUSCODE_GOOD;

    UA_StatusCode res = UA_STATUSCODE_GOOD;
    UA_Subscription *sub = mon->subscription;
    if(mon->itemToMonitor.attributeId == UA_ATTRIBUTEID_EVENTNOTIFIER ||
       mon->parameters.samplingInterval == 0.0) {
        /* Add to the linked list in the node */
        UA_Session *session = &server->adminSession;
        if(sub)
            session = sub->session;
        res = UA_Server_editNode(server, session, &mon->itemToMonitor.nodeId,
                                 addMonitoredItemBackpointer, mon);
        if(res == UA_STATUSCODE_GOOD)
            mon->samplingType = UA_MONITOREDITEMSAMPLINGTYPE_EVENT;
        return res;
    } else if(mon->parameters.samplingInterval < 0.0) {
        /* Add to the subscription for sampling before every publish */
        if(!sub)
            return UA_STATUSCODE_BADINTERNALERROR; /* Not possible for local MonitoredItems */
        LIST_INSERT_HEAD(&sub->samplingMonitoredItems, mon, sampling.samplingListEntry);
        mon->samplingType = UA_MONITOREDITEMSAMPLINGTYPE_PUBLISH;
    } else {
        /* DataChange MonitoredItems with a positive sampling interval have a
         * repeated callback. Other MonitoredItems are attached to the Node in a
         * linked list of backpointers. */
        res = addRepeatedCallback(server,
                                  (UA_ServerCallback)UA_MonitoredItem_sampleCallback,
                                  mon, mon->parameters.samplingInterval,
                                  &mon->sampling.callbackId);
        if(res == UA_STATUSCODE_GOOD)
            mon->samplingType = UA_MONITOREDITEMSAMPLINGTYPE_CYCLIC;
    }

    return res;
}

void
UA_MonitoredItem_unregisterSampling(UA_Server *server, UA_MonitoredItem *mon) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    switch(mon->samplingType) {
    case UA_MONITOREDITEMSAMPLINGTYPE_CYCLIC:
        /* Remove repeated callback */
        removeCallback(server, mon->sampling.callbackId);
        break;

    case UA_MONITOREDITEMSAMPLINGTYPE_EVENT: {
        /* Added to a node */
        UA_Subscription *sub = mon->subscription;
        UA_Session *session = &server->adminSession;
        if(sub)
            session = sub->session;
        UA_Server_editNode(server, session, &mon->itemToMonitor.nodeId,
                           removeMonitoredItemBackPointer, mon);
        break;
    }

    case UA_MONITOREDITEMSAMPLINGTYPE_PUBLISH:
        /* Added to the subscription */
        LIST_REMOVE(mon, sampling.samplingListEntry);
        break;

    case UA_MONITOREDITEMSAMPLINGTYPE_NONE:
    default:
        /* Sampling is not registered */
        break;
    }

    mon->samplingType = UA_MONITOREDITEMSAMPLINGTYPE_NONE;
}

UA_StatusCode
UA_MonitoredItem_removeLink(UA_Subscription *sub, UA_MonitoredItem *mon, UA_UInt32 linkId) {
    /* Find the index */
    size_t i = 0;
    for(; i < mon->triggeringLinksSize; i++) {
        if(mon->triggeringLinks[i] == linkId)
            break;
    }

    /* Not existing / already removed */
    if(i == mon->triggeringLinksSize)
        return UA_STATUSCODE_BADMONITOREDITEMIDINVALID;

    /* Remove the link */
    mon->triggeringLinksSize--;
    if(mon->triggeringLinksSize == 0) {
        UA_free(mon->triggeringLinks);
        mon->triggeringLinks = NULL;
    } else {
        mon->triggeringLinks[i] = mon->triggeringLinks[mon->triggeringLinksSize];
        UA_UInt32 *tmpLinks = (UA_UInt32*)
            UA_realloc(mon->triggeringLinks, mon->triggeringLinksSize * sizeof(UA_UInt32));
        if(tmpLinks)
            mon->triggeringLinks = tmpLinks;
    }

    /* Does the target MonitoredItem exist? This is stupid, but the CTT wants us
     * to to this. We don't auto-remove links together with the target
     * MonitoredItem. Links to removed MonitoredItems are removed when the link
     * triggers and the target no longer exists. */
    UA_MonitoredItem *mon2 = UA_Subscription_getMonitoredItem(sub, linkId);
    if(!mon2)
        return UA_STATUSCODE_BADMONITOREDITEMIDINVALID;

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_MonitoredItem_addLink(UA_Subscription *sub, UA_MonitoredItem *mon, UA_UInt32 linkId) {
    /* Does the target MonitoredItem exist? */
    UA_MonitoredItem *mon2 = UA_Subscription_getMonitoredItem(sub, linkId);
    if(!mon2)
        return UA_STATUSCODE_BADMONITOREDITEMIDINVALID;

    /* Does the link already exist? */
    for(size_t i = 0 ; i < mon->triggeringLinksSize; i++) {
        if(mon->triggeringLinks[i] == linkId)
            return UA_STATUSCODE_GOOD;
    }

    /* Allocate the memory */
    UA_UInt32 *tmpLinkIds = (UA_UInt32*)
        UA_realloc(mon->triggeringLinks, (mon->triggeringLinksSize + 1) * sizeof(UA_UInt32));
    if(!tmpLinkIds)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    mon->triggeringLinks = tmpLinkIds;

    /* Add the link */
    mon->triggeringLinks[mon->triggeringLinksSize] = linkId;
    mon->triggeringLinksSize++;
    return UA_STATUSCODE_GOOD;
}

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/**** amalgamated original file "/src/server/ua_subscription_datachange.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2017-2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2018 (c) Ari Breitkreuz, fortiss GmbH
 *    Copyright 2018 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2018 (c) Fabian Arndt, Root-Core
 */


#ifdef UA_ENABLE_SUBSCRIPTIONS /* conditional compilation */

/* Detect value changes outside the deadband */
#define UA_DETECT_DEADBAND(TYPE) do {                           \
    TYPE v1 = *(const TYPE*)data1;                              \
    TYPE v2 = *(const TYPE*)data2;                              \
    TYPE diff = (v1 > v2) ? (TYPE)(v1 - v2) : (TYPE)(v2 - v1);  \
    return ((UA_Double)diff > deadband);                        \
} while(false);

static UA_Boolean
detectScalarDeadBand(const void *data1, const void *data2,
                     const UA_DataType *type, const UA_Double deadband) {
    if(type->typeKind == UA_DATATYPEKIND_SBYTE) {
        UA_DETECT_DEADBAND(UA_SByte);
    } else if(type->typeKind == UA_DATATYPEKIND_BYTE) {
        UA_DETECT_DEADBAND(UA_Byte);
    } else if(type->typeKind == UA_DATATYPEKIND_INT16) {
        UA_DETECT_DEADBAND(UA_Int16);
    } else if(type->typeKind == UA_DATATYPEKIND_UINT16) {
        UA_DETECT_DEADBAND(UA_UInt16);
    } else if(type->typeKind == UA_DATATYPEKIND_INT32) {
        UA_DETECT_DEADBAND(UA_Int32);
    } else if(type->typeKind == UA_DATATYPEKIND_UINT32) {
        UA_DETECT_DEADBAND(UA_UInt32);
    } else if(type->typeKind == UA_DATATYPEKIND_INT64) {
        UA_DETECT_DEADBAND(UA_Int64);
    } else if(type->typeKind == UA_DATATYPEKIND_UINT64) {
        UA_DETECT_DEADBAND(UA_UInt64);
    } else if(type->typeKind == UA_DATATYPEKIND_FLOAT) {
        UA_DETECT_DEADBAND(UA_Float);
    } else if(type->typeKind == UA_DATATYPEKIND_DOUBLE) {
        UA_DETECT_DEADBAND(UA_Double);
    } else {
        return false; /* Not a known numerical type */
    }
}

static UA_Boolean
detectVariantDeadband(const UA_Variant *value, const UA_Variant *oldValue,
                      const UA_Double deadbandValue) {
    if(value->arrayLength != oldValue->arrayLength)
        return true;
    if(value->type != oldValue->type)
        return true;
    size_t length = 1;
    if(!UA_Variant_isScalar(value))
        length = value->arrayLength;
    uintptr_t data = (uintptr_t)value->data;
    uintptr_t oldData = (uintptr_t)oldValue->data;
    UA_UInt32 memSize = value->type->memSize;
    for(size_t i = 0; i < length; ++i) {
        if(detectScalarDeadBand((const void*)data, (const void*)oldData,
                                value->type, deadbandValue))
            return true;
        data += memSize;
        oldData += memSize;
    }
    return false;
}

static UA_Boolean
detectValueChange(UA_Server *server, UA_MonitoredItem *mon,
                  const UA_DataValue *value) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    /* Status changes are always reported */
    if(value->hasStatus != mon->lastValue.hasStatus ||
       value->status != mon->lastValue.status) {
        return true;
    }

    /* Default trigger is Status + Value */
    UA_DataChangeTrigger trigger = UA_DATACHANGETRIGGER_STATUSVALUE;

    /* Use the configured trigger */
    const UA_DataChangeFilter *dcf = NULL;
    const UA_ExtensionObject *filter = &mon->parameters.filter;
    if(filter->content.decoded.type == &UA_TYPES[UA_TYPES_DATACHANGEFILTER]) {
        dcf = (UA_DataChangeFilter*)filter->content.decoded.data;
        trigger = dcf->trigger;
    }

    /* The status was already tested above */
    if(trigger == UA_DATACHANGETRIGGER_STATUS)
        return false;

    UA_assert(trigger == UA_DATACHANGETRIGGER_STATUSVALUE ||
              trigger == UA_DATACHANGETRIGGER_STATUSVALUETIMESTAMP);

    /* Test absolute deadband */
    if(dcf && dcf->deadbandType == UA_DEADBANDTYPE_ABSOLUTE &&
       value->value.type != NULL && UA_DataType_isNumeric(value->value.type))
        return detectVariantDeadband(&value->value, &mon->lastValue.value,
                                     dcf->deadbandValue);

    /* Compare the source timestamp if the trigger requires that */
    if(trigger == UA_DATACHANGETRIGGER_STATUSVALUETIMESTAMP) {
        if(value->hasSourceTimestamp != mon->lastValue.hasSourceTimestamp)
            return true;
        if(value->hasSourceTimestamp &&
           value->sourceTimestamp != mon->lastValue.sourceTimestamp)
            return true;
    }

    /* Has the value changed? */
    if(value->hasValue != mon->lastValue.hasValue)
        return true;
    return (UA_order(&value->value, &mon->lastValue.value,
                     &UA_TYPES[UA_TYPES_VARIANT]) != UA_ORDER_EQ);
}

UA_StatusCode
UA_MonitoredItem_createDataChangeNotification(UA_Server *server, UA_Subscription *sub,
                                              UA_MonitoredItem *mon,
                                              const UA_DataValue *value) {
    /* Allocate a new notification */
    UA_Notification *newNotification = UA_Notification_new();
    if(!newNotification)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    /* Prepare the notification */
    newNotification->mon = mon;
    newNotification->data.dataChange.clientHandle = mon->parameters.clientHandle;
    UA_StatusCode retval = UA_DataValue_copy(value, &newNotification->data.dataChange.value);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(newNotification);
        return retval;
    }

    /* Enqueue the notification */
    UA_assert(sub);
    UA_Notification_enqueueAndTrigger(server, newNotification);
    return UA_STATUSCODE_GOOD;
}

/* Moves the value to the MonitoredItem if successful */
UA_StatusCode
sampleCallbackWithValue(UA_Server *server, UA_Subscription *sub,
                        UA_MonitoredItem *mon, UA_DataValue *value) {
    UA_assert(mon->itemToMonitor.attributeId != UA_ATTRIBUTEID_EVENTNOTIFIER);

    /* Has the value changed (with the filters applied)? */
    UA_Boolean changed = detectValueChange(server, mon, value);
    if(!changed) {
        UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                                  "MonitoredItem %" PRIi32 " | "
                                  "The value has not changed", mon->monitoredItemId);
        UA_DataValue_clear(value);
        return UA_STATUSCODE_GOOD;
    }

    /* The MonitoredItem is attached to a subscription (not server-local).
     * Prepare a notification and enqueue it. */
    if(sub) {
        UA_StatusCode retval =
            UA_MonitoredItem_createDataChangeNotification(server, sub, mon, value);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
    }

    /* <-- Point of no return --> */

    /* Move/store the value for filter comparison and TransferSubscription */
    UA_DataValue_clear(&mon->lastValue);
    mon->lastValue = *value;

    /* Call the local callback if the MonitoredItem is not attached to a
     * subscription. Do this at the very end. Because the callback might delete
     * the subscription. */
    if(!sub) {
        UA_LocalMonitoredItem *localMon = (UA_LocalMonitoredItem*) mon;
        void *nodeContext = NULL;
        getNodeContext(server, mon->itemToMonitor.nodeId, &nodeContext);
        UA_UNLOCK(&server->serviceMutex);
        localMon->callback.dataChangeCallback(server,
                                              mon->monitoredItemId, localMon->context,
                                              &mon->itemToMonitor.nodeId, nodeContext,
                                              mon->itemToMonitor.attributeId, value);
        UA_LOCK(&server->serviceMutex);
    }

    return UA_STATUSCODE_GOOD;
}

void
UA_MonitoredItem_sampleCallback(UA_Server *server, UA_MonitoredItem *monitoredItem) {
    UA_LOCK(&server->serviceMutex);
    monitoredItem_sampleCallback(server, monitoredItem);
    UA_UNLOCK(&server->serviceMutex);
}

void
monitoredItem_sampleCallback(UA_Server *server, UA_MonitoredItem *monitoredItem) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_Subscription *sub = monitoredItem->subscription;
    UA_Session *session = &server->adminSession;
    if(sub)
        session = sub->session;

    UA_LOG_DEBUG_SUBSCRIPTION(&server->config.logger, sub,
                              "MonitoredItem %" PRIi32 " | "
                              "Sample callback called", monitoredItem->monitoredItemId);

    UA_assert(monitoredItem->itemToMonitor.attributeId != UA_ATTRIBUTEID_EVENTNOTIFIER);

    /* Sample the value. The sample can still point into the node. */
    UA_DataValue value = UA_Server_readWithSession(server, session,
                                                   &monitoredItem->itemToMonitor,
                                                   monitoredItem->timestampsToReturn);

    /* Operate on the sample. The sample is consumed when the status is good. */
    UA_StatusCode res = sampleCallbackWithValue(server, sub, monitoredItem, &value);
    if(res != UA_STATUSCODE_GOOD) {
        UA_DataValue_clear(&value);
        UA_LOG_WARNING_SUBSCRIPTION(&server->config.logger, sub,
                                    "MonitoredItem %" PRIi32 " | "
                                    "Sampling returned the statuscode %s",
                                    monitoredItem->monitoredItemId,
                                    UA_StatusCode_name(res));
    }
}

#endif /* UA_ENABLE_SUBSCRIPTIONS */

/**** amalgamated original file "/src/server/ua_subscription_events.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) Ari Breitkreuz, fortiss GmbH
 *    Copyright 2020 (c) Christian von Arnim, ISW University of Stuttgart (for VDW and umati)
 *    Copyright 2021 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 */


#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS

/* We use a 16-Byte ByteString as an identifier */
UA_StatusCode
UA_Event_generateEventId(UA_ByteString *generatedId) {
    /* EventId is a ByteString, which is basically just a string
     * We will use a 16-Byte ByteString as an identifier */
    UA_StatusCode res = UA_ByteString_allocBuffer(generatedId, 16 * sizeof(UA_Byte));
    if(res != UA_STATUSCODE_GOOD)
        return res;
    UA_UInt32 *ids = (UA_UInt32*)generatedId->data;
    ids[0] = UA_UInt32_random();
    ids[1] = UA_UInt32_random();
    ids[2] = UA_UInt32_random();
    ids[3] = UA_UInt32_random();
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Server_createEvent(UA_Server *server, const UA_NodeId eventType,
                      UA_NodeId *outNodeId) {
    UA_LOCK(&server->serviceMutex);
    if(!outNodeId) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                     "outNodeId must not be NULL. The event's NodeId must be returned "
                     "so it can be triggered.");
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    /* Make sure the eventType is a subtype of BaseEventType */
    UA_NodeId baseEventTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEEVENTTYPE);
    if(!isNodeInTree_singleRef(server, &eventType, &baseEventTypeId,
                               UA_REFERENCETYPEINDEX_HASSUBTYPE)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                     "Event type must be a subtype of BaseEventType!");
        UA_UNLOCK(&server->serviceMutex);
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    /* Create an ObjectNode which represents the event */
    UA_QualifiedName name;
    /*  set a dummy name. This is not used. */
    name = UA_QUALIFIEDNAME(0,"E");
    UA_NodeId newNodeId = UA_NODEID_NULL;
    UA_ObjectAttributes oAttr = UA_ObjectAttributes_default;
    UA_StatusCode retval = addNode(server, UA_NODECLASS_OBJECT,
                                   &UA_NODEID_NULL, /* Set a random unused NodeId */
                                   &UA_NODEID_NULL, /* No parent */
                                   &UA_NODEID_NULL, /* No parent reference */
                                   name,            /* an event does not have a name */
                                   &eventType,      /* the type of the event */
                                   (const UA_NodeAttributes*)&oAttr, /* default attributes are fine */
                                   &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES],
                                   NULL,           /* no node context */
                                   &newNodeId);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                     "Adding event failed. StatusCode %s", UA_StatusCode_name(retval));
        UA_UNLOCK(&server->serviceMutex);
        return retval;
    }

    /* Find the eventType variable */
    name = UA_QUALIFIEDNAME(0, "EventType");
    UA_BrowsePathResult bpr = browseSimplifiedBrowsePath(server, newNodeId, 1, &name);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        retval = bpr.statusCode;
        UA_BrowsePathResult_clear(&bpr);
        deleteNode(server, newNodeId, true);
        UA_NodeId_clear(&newNodeId);
        UA_UNLOCK(&server->serviceMutex);
        return retval;
    }

    /* Set the EventType */
    UA_Variant value;
    UA_Variant_init(&value);
    UA_Variant_setScalar(&value, (void*)(uintptr_t)&eventType, &UA_TYPES[UA_TYPES_NODEID]);
    retval = writeValueAttribute(server, &server->adminSession,
                                 &bpr.targets[0].targetId.nodeId, &value);
    UA_BrowsePathResult_clear(&bpr);
    if(retval != UA_STATUSCODE_GOOD) {
        deleteNode(server, newNodeId, true);
        UA_NodeId_clear(&newNodeId);
        UA_UNLOCK(&server->serviceMutex);
        return retval;
    }

    *outNodeId = newNodeId;
    UA_UNLOCK(&server->serviceMutex);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
eventSetStandardFields(UA_Server *server, const UA_NodeId *event,
                       const UA_NodeId *origin, UA_ByteString *outEventId) {
    /* Set the SourceNode */
    UA_StatusCode retval;
    UA_QualifiedName name = UA_QUALIFIEDNAME(0, "SourceNode");
    UA_BrowsePathResult bpr = browseSimplifiedBrowsePath(server, *event, 1, &name);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        retval = bpr.statusCode;
        UA_BrowsePathResult_clear(&bpr);
        return retval;
    }
    UA_Variant value;
    UA_Variant_init(&value);
    UA_Variant_setScalarCopy(&value, origin, &UA_TYPES[UA_TYPES_NODEID]);
    retval = writeValueAttribute(server, &server->adminSession,
                                 &bpr.targets[0].targetId.nodeId, &value);
    UA_Variant_clear(&value);
    UA_BrowsePathResult_clear(&bpr);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Set the ReceiveTime */
    name = UA_QUALIFIEDNAME(0, "ReceiveTime");
    bpr = browseSimplifiedBrowsePath(server, *event, 1, &name);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        retval = bpr.statusCode;
        UA_BrowsePathResult_clear(&bpr);
        return retval;
    }
    UA_DateTime rcvTime = UA_DateTime_now();
    UA_Variant_setScalar(&value, &rcvTime, &UA_TYPES[UA_TYPES_DATETIME]);
    retval = writeValueAttribute(server, &server->adminSession,
                                 &bpr.targets[0].targetId.nodeId, &value);
    UA_BrowsePathResult_clear(&bpr);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Set the EventId */
    UA_ByteString eventId = UA_BYTESTRING_NULL;
    retval = UA_Event_generateEventId(&eventId);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    name = UA_QUALIFIEDNAME(0, "EventId");
    bpr = browseSimplifiedBrowsePath(server, *event, 1, &name);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        retval = bpr.statusCode;
        UA_ByteString_clear(&eventId);
        UA_BrowsePathResult_clear(&bpr);
        return retval;
    }
    UA_Variant_init(&value);
    UA_Variant_setScalar(&value, &eventId, &UA_TYPES[UA_TYPES_BYTESTRING]);
    retval = writeValueAttribute(server, &server->adminSession,
                                 &bpr.targets[0].targetId.nodeId, &value);
    UA_BrowsePathResult_clear(&bpr);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ByteString_clear(&eventId);
        return retval;
    }

    /* Return the EventId */
    if(outEventId)
        *outEventId = eventId;
    else
        UA_ByteString_clear(&eventId);

    return UA_STATUSCODE_GOOD;
}

/* Filters an event according to the filter specified by mon and then adds it to
 * mons notification queue */
UA_StatusCode
UA_Event_addEventToMonitoredItem(UA_Server *server, const UA_NodeId *event,
                                 UA_MonitoredItem *mon) {
    UA_Notification *notification = UA_Notification_new();
    if(!notification)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    if(mon->parameters.filter.content.decoded.type != &UA_TYPES[UA_TYPES_EVENTFILTER])
        return UA_STATUSCODE_BADFILTERNOTALLOWED;
    UA_EventFilter *eventFilter = (UA_EventFilter*)
        mon->parameters.filter.content.decoded.data;

    /* The MonitoredItem must be attached to a Subscription. This code path is
     * not taken for local MonitoredItems (once they are enabled for Events). */
    UA_Subscription *sub = mon->subscription;
    UA_assert(sub);

    UA_Session *session = sub->session;
    UA_StatusCode retval = filterEvent(server, session, event,
                                       eventFilter, &notification->data.event,
                                       &notification->result);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_Notification_delete(notification);
        if(retval == UA_STATUSCODE_BADNOMATCH)
            return UA_STATUSCODE_GOOD;
        return retval;
    }

    notification->data.event.clientHandle = mon->parameters.clientHandle;
    notification->mon = mon;

    UA_Notification_enqueueAndTrigger(server, notification);
    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_HISTORIZING
static void
setHistoricalEvent(UA_Server *server, const UA_NodeId *origin,
                   const UA_NodeId *emitNodeId, const UA_NodeId *eventNodeId) {
    UA_Variant historicalEventFilterValue;
    UA_Variant_init(&historicalEventFilterValue);

    /* A HistoricalEventNode that has event history available will provide this property */
    UA_StatusCode retval =
        readObjectProperty(server, *emitNodeId,
                           UA_QUALIFIEDNAME(0, "HistoricalEventFilter"),
                           &historicalEventFilterValue);
    if(retval != UA_STATUSCODE_GOOD) {
        /* Do not vex users with no match errors */
        if(retval != UA_STATUSCODE_BADNOMATCH)
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Cannot read the HistoricalEventFilter property of a "
                           "listening node. StatusCode %s",
                           UA_StatusCode_name(retval));
        return;
    }

    /* If found then check if HistoricalEventFilter property has a valid value */
    if(UA_Variant_isEmpty(&historicalEventFilterValue) ||
       !UA_Variant_isScalar(&historicalEventFilterValue) ||
       historicalEventFilterValue.type != &UA_TYPES[UA_TYPES_EVENTFILTER]) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "HistoricalEventFilter property of a listening node "
                       "does not have a valid value");
        UA_Variant_clear(&historicalEventFilterValue);
        return;
    }

    /* Finally, if found and valid then filter */
    UA_EventFilter *filter = (UA_EventFilter*) historicalEventFilterValue.data;
    UA_EventFieldList efl;
    UA_EventFilterResult result;
    retval = filterEvent(server, &server->adminSession,
                         eventNodeId, filter, &efl, &result);
    if(retval == UA_STATUSCODE_GOOD)
        server->config.historyDatabase.setEvent(server, server->config.historyDatabase.context,
                                                origin, emitNodeId, filter, &efl);
    UA_EventFilterResult_clear(&result);
    UA_Variant_clear(&historicalEventFilterValue);
    UA_EventFieldList_clear(&efl);
}
#endif

static const UA_NodeId objectsFolderId = {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_OBJECTSFOLDER}};
#define EMIT_REFS_ROOT_COUNT 4
static const UA_NodeId emitReferencesRoots[EMIT_REFS_ROOT_COUNT] =
    {{0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_ORGANIZES}},
     {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASCOMPONENT}},
     {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASEVENTSOURCE}},
     {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASNOTIFIER}}};

static const UA_NodeId isInFolderReferences[2] =
    {{0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_ORGANIZES}},
     {0, UA_NODEIDTYPE_NUMERIC, {UA_NS0ID_HASCOMPONENT}}};

UA_StatusCode
triggerEvent(UA_Server *server, const UA_NodeId eventNodeId,
             const UA_NodeId origin, UA_ByteString *outEventId,
             const UA_Boolean deleteEventNode) {
    UA_LOCK_ASSERT(&server->serviceMutex, 1);

    UA_LOG_NODEID_DEBUG(&origin,
        UA_LOG_DEBUG(&server->config.logger, UA_LOGCATEGORY_SERVER,
            "Events: An event is triggered on node %.*s",
            (int)nodeIdStr.length, nodeIdStr.data));

#ifdef UA_ENABLE_SUBSCRIPTIONS_ALARMS_CONDITIONS
    UA_Boolean isCallerAC = false;
    if(isConditionOrBranch(server, &eventNodeId, &origin, &isCallerAC)) {
        if(!isCallerAC) {
          UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                                 "Condition Events: Please use A&C API to trigger Condition Events 0x%08X",
                                  UA_STATUSCODE_BADINVALIDARGUMENT);
          return UA_STATUSCODE_BADINVALIDARGUMENT;
        }
    }
#endif /* UA_ENABLE_SUBSCRIPTIONS_ALARMS_CONDITIONS */

    /* Check that the origin node exists */
    const UA_Node *originNode = UA_NODESTORE_GET(server, &origin);
    if(!originNode) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                     "Origin node for event does not exist.");
        return UA_STATUSCODE_BADNOTFOUND;
    }
    UA_NODESTORE_RELEASE(server, originNode);

    /* Make sure the origin is in the ObjectsFolder (TODO: or in the ViewsFolder) */
    /* Only use Organizes and HasComponent to check if we are below the ObjectsFolder */
    UA_StatusCode retval;
    UA_ReferenceTypeSet refTypes;
    UA_ReferenceTypeSet_init(&refTypes);
    for(int i = 0; i < 2; ++i) {
        UA_ReferenceTypeSet tmpRefTypes;
        retval = referenceTypeIndices(server, &isInFolderReferences[i], &tmpRefTypes, true);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Events: Could not create the list of references and their subtypes "
                           "with StatusCode %s", UA_StatusCode_name(retval));
        }
        refTypes = UA_ReferenceTypeSet_union(refTypes, tmpRefTypes);
    }

    if(!isNodeInTree(server, &origin, &objectsFolderId, &refTypes)) {
        UA_LOG_ERROR(&server->config.logger, UA_LOGCATEGORY_USERLAND,
                     "Node for event must be in ObjectsFolder!");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    /* Update the standard fields of the event */
    retval = eventSetStandardFields(server, &eventNodeId, &origin, outEventId);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Events: Could not set the standard event fields with StatusCode %s",
                       UA_StatusCode_name(retval));
        return retval;
    }

    /* List of nodes that emit the node. Events propagate upwards (bubble up) in
     * the node hierarchy. */
    UA_ExpandedNodeId *emitNodes = NULL;
    size_t emitNodesSize = 0;

    /* Add the server node to the list of nodes from which the event is emitted.
     * The server node emits all events.
     *
     * Part 3, 7.17: In particular, the root notifier of a Server, the Server
     * Object defined in Part 5, is always capable of supplying all Events from
     * a Server and as such has implied HasEventSource References to every event
     * source in a Server. */
    UA_NodeId emitStartNodes[2];
    emitStartNodes[0] = origin;
    emitStartNodes[1] = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER);

    /* Get all ReferenceTypes over which the events propagate */
    UA_ReferenceTypeSet emitRefTypes;
    UA_ReferenceTypeSet_init(&emitRefTypes);
    for(size_t i = 0; i < EMIT_REFS_ROOT_COUNT; i++) {
        UA_ReferenceTypeSet tmpRefTypes;
        retval = referenceTypeIndices(server, &emitReferencesRoots[i], &tmpRefTypes, true);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Events: Could not create the list of references for event "
                           "propagation with StatusCode %s", UA_StatusCode_name(retval));
            goto cleanup;
        }
        emitRefTypes = UA_ReferenceTypeSet_union(emitRefTypes, tmpRefTypes);
    }

    /* Get the list of nodes in the hierarchy that emits the event. */
    retval = browseRecursive(server, 2, emitStartNodes, UA_BROWSEDIRECTION_INVERSE,
                             &emitRefTypes, UA_NODECLASS_UNSPECIFIED, true,
                             &emitNodesSize, &emitNodes);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Events: Could not create the list of nodes listening on the "
                       "event with StatusCode %s", UA_StatusCode_name(retval));
        goto cleanup;
    }

    /* Add the event to the listening MonitoredItems at each relevant node */
    for(size_t i = 0; i < emitNodesSize; i++) {
        /* Get the node */
        const UA_Node *node = UA_NODESTORE_GET(server, &emitNodes[i].nodeId);
        if(!node)
            continue;

        /* Only consider objects */
        if(node->head.nodeClass != UA_NODECLASS_OBJECT) {
            UA_NODESTORE_RELEASE(server, node);
            continue;
        }

        /* Add event to monitoreditems */
        UA_MonitoredItem *mon = node->head.monitoredItems;
        for(; mon != NULL; mon = mon->sampling.nodeListNext) {
            /* Is this an Event-MonitoredItem? */
            if(mon->itemToMonitor.attributeId != UA_ATTRIBUTEID_EVENTNOTIFIER)
                continue;
            retval = UA_Event_addEventToMonitoredItem(server, &eventNodeId, mon);
            if(retval != UA_STATUSCODE_GOOD) {
                UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                               "Events: Could not add the event to a listening "
                               "node with StatusCode %s", UA_StatusCode_name(retval));
                retval = UA_STATUSCODE_GOOD; /* Only log problems with individual emit nodes */
            }
        }

        UA_NODESTORE_RELEASE(server, node);

        /* Add event entry in the historical database */
#ifdef UA_ENABLE_HISTORIZING
        if(server->config.historyDatabase.setEvent)
            setHistoricalEvent(server, &origin, &emitNodes[i].nodeId, &eventNodeId);
#endif
    }

    /* Delete the node representation of the event */
    if(deleteEventNode) {
        retval = deleteNode(server, eventNodeId, true);
        if(retval != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING(&server->config.logger, UA_LOGCATEGORY_SERVER,
                           "Attempt to remove event using deleteNode failed. StatusCode %s",
                           UA_StatusCode_name(retval));
        }
    }

 cleanup:
    UA_Array_delete(emitNodes, emitNodesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);
    return retval;
}

UA_StatusCode
UA_Server_triggerEvent(UA_Server *server, const UA_NodeId eventNodeId,
                       const UA_NodeId origin, UA_ByteString *outEventId,
                       const UA_Boolean deleteEventNode) {
    UA_LOCK(&server->serviceMutex);
    UA_StatusCode res =
        triggerEvent(server, eventNodeId, origin, outEventId, deleteEventNode);
    UA_UNLOCK(&server->serviceMutex);
    return res;
}
#endif /* UA_ENABLE_SUBSCRIPTIONS_EVENTS */

/**** amalgamated original file "/src/server/ua_subscription_events_filter.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) Ari Breitkreuz, fortiss GmbH
 *    Copyright 2020 (c) Christian von Arnim, ISW University of Stuttgart (for VDW and umati)
 *    Copyright 2021 (c) Fraunhofer IOSB (Author: Andreas Ebner)
 */


#ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS

typedef struct {
    UA_Server *server;
    UA_Session *session;
    const UA_NodeId *eventNode;
    const UA_ContentFilter *contentFilter;
    UA_ContentFilterResult *contentFilterResult;
    UA_Variant *valueResult;
    UA_UInt16 index;
} UA_FilterOperatorContext;

static UA_StatusCode
evaluateWhereClauseContentFilter(UA_FilterOperatorContext *ctx);

/* Resolves a variant of type string or boolean into a corresponding status code */
static UA_StatusCode
resolveBoolean(UA_Variant operand) {
    UA_String value;
    value = UA_STRING("True");
    if(((operand.type == &UA_TYPES[UA_TYPES_STRING]) &&
        (UA_String_equal((UA_String *)operand.data, &value))) ||
       ((operand.type == &UA_TYPES[UA_TYPES_BOOLEAN]) &&
        (*(UA_Boolean *)operand.data == UA_TRUE))) {
        return UA_STATUSCODE_GOOD;
    }
    value = UA_STRING("False");
    if(((operand.type == &UA_TYPES[UA_TYPES_STRING]) &&
        (UA_String_equal((UA_String *)operand.data, &value))) ||
       ((operand.type == &UA_TYPES[UA_TYPES_BOOLEAN]) &&
        (*(UA_Boolean *)operand.data == UA_FALSE))) {
        return UA_STATUSCODE_BADNOMATCH;
    }

    /* If the operand can't be resolved, an error is returned */
    return UA_STATUSCODE_BADFILTEROPERANDINVALID;
}

/* Part 4: 7.4.4.5 SimpleAttributeOperand
 * The clause can point to any attribute of nodes. Either a child of the event
 * node and also the event type. */
static UA_StatusCode
resolveSimpleAttributeOperand(UA_Server *server, UA_Session *session,
                              const UA_NodeId *origin,
                              const UA_SimpleAttributeOperand *sao,
                              UA_Variant *value) {
    /* Prepare the ReadValueId */
    UA_ReadValueId rvi;
    UA_ReadValueId_init(&rvi);
    rvi.indexRange = sao->indexRange;
    rvi.attributeId = sao->attributeId;

    UA_DataValue v;

    if(sao->browsePathSize == 0) {
        /* If this list (browsePath) is empty, the Node is the instance of the
         * TypeDefinition. (Part 4, 7.4.4.5) */
        rvi.nodeId = *origin;

        /* A Condition is an indirection. Look up the target node. */
        /* TODO: check for Branches! One Condition could have multiple Branches */
        UA_NodeId conditionTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_CONDITIONTYPE);
        if(UA_NodeId_equal(&sao->typeDefinitionId, &conditionTypeId)) {
#ifdef UA_ENABLE_SUBSCRIPTIONS_ALARMS_CONDITIONS
            UA_StatusCode res = UA_getConditionId(server, origin, &rvi.nodeId);
            if(res != UA_STATUSCODE_GOOD)
                return res;
#else
            return UA_STATUSCODE_BADNOTSUPPORTED;
#endif
        }

        v = UA_Server_readWithSession(server, session, &rvi,
                                      UA_TIMESTAMPSTORETURN_NEITHER);
    } else {
        /* Resolve the browse path, starting from the event-source (and not the
         * typeDefinitionId). */
        UA_BrowsePathResult bpr =
            browseSimplifiedBrowsePath(server, *origin,
                                       sao->browsePathSize, sao->browsePath);
        if(bpr.targetsSize == 0 && bpr.statusCode == UA_STATUSCODE_GOOD)
            bpr.statusCode = UA_STATUSCODE_BADNOTFOUND;
        if(bpr.statusCode != UA_STATUSCODE_GOOD) {
            UA_StatusCode res = bpr.statusCode;
            UA_BrowsePathResult_clear(&bpr);
            return res;
        }

        /* Use the first match */
        rvi.nodeId = bpr.targets[0].targetId.nodeId;
        v = UA_Server_readWithSession(server, session, &rvi,
                                      UA_TIMESTAMPSTORETURN_NEITHER);
        UA_BrowsePathResult_clear(&bpr);
    }

    /* Move the result to the output */
    if(v.status == UA_STATUSCODE_GOOD && v.hasValue)
        *value = v.value;
    else
        UA_Variant_clear(&v.value);
    return v.status;
}

/* Resolve operands to variants according to the operand type.
 * Part 4: 7.17.3 Table 142 specifies the allowed types. */
static UA_Variant
resolveOperand(UA_FilterOperatorContext *ctx, UA_UInt16 nr) {
    UA_StatusCode res;
    UA_Variant variant;
    UA_Variant_init(&variant);
    UA_ExtensionObject *op = &ctx->contentFilter->elements[ctx->index].filterOperands[nr];
    if(op->content.decoded.type == &UA_TYPES[UA_TYPES_SIMPLEATTRIBUTEOPERAND]) {
        /* SimpleAttributeOperand */
        res = resolveSimpleAttributeOperand(ctx->server, ctx->session, ctx->eventNode,
                                (UA_SimpleAttributeOperand *)op->content.decoded.data,
                                            &variant);
    } else if(op->content.decoded.type == &UA_TYPES[UA_TYPES_LITERALOPERAND]) {
        /* LiteralOperand */
        variant = ((UA_LiteralOperand *)op->content.decoded.data)->value;
        res = UA_STATUSCODE_GOOD;
    } else if(op->content.decoded.type == &UA_TYPES[UA_TYPES_ELEMENTOPERAND]) {
        /* ElementOperand */
        UA_UInt16 oldIndex = ctx->index;
        ctx->index = (UA_UInt16)((UA_ElementOperand *)op->content.decoded.data)->index;
        res = evaluateWhereClauseContentFilter(ctx);
        variant = ctx->valueResult[ctx->index];
        ctx->index = oldIndex; /* restore the old index */
    } else {
        res = UA_STATUSCODE_BADFILTEROPERANDINVALID;
    }

    if(res != UA_STATUSCODE_GOOD && res != UA_STATUSCODE_BADNOMATCH) {
        variant.type = NULL;
        ctx->contentFilterResult->elementResults[ctx->index].operandStatusCodes[nr] = res;
    }

    return variant;
}

static UA_StatusCode
ofTypeOperator(UA_FilterOperatorContext *ctx) {
    UA_ContentFilterElement *pElement = &ctx->contentFilter->elements[ctx->index];
    UA_Boolean result = false;
    ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
    if(pElement->filterOperandsSize != 1)
        return UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH;
    if(pElement->filterOperands[0].content.decoded.type !=
       &UA_TYPES[UA_TYPES_LITERALOPERAND])
        return UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED;

    UA_LiteralOperand *literalOperand =
        (UA_LiteralOperand *) pElement->filterOperands[0].content.decoded.data;
    if(!UA_Variant_isScalar(&literalOperand->value))
        return UA_STATUSCODE_BADEVENTFILTERINVALID;

    if(literalOperand->value.type != &UA_TYPES[UA_TYPES_NODEID] || literalOperand->value.data == NULL)
        return UA_STATUSCODE_BADEVENTFILTERINVALID;

    UA_NodeId *literalOperandNodeId = (UA_NodeId *) literalOperand->value.data;
    UA_Variant typeNodeIdVariant;
    UA_Variant_init(&typeNodeIdVariant);
    UA_StatusCode readStatusCode =
        readObjectProperty(ctx->server, *ctx->eventNode,
                           UA_QUALIFIEDNAME(0, "EventType"), &typeNodeIdVariant);
    if(readStatusCode != UA_STATUSCODE_GOOD)
        return readStatusCode;

    if(!UA_Variant_isScalar(&typeNodeIdVariant) ||
       typeNodeIdVariant.type != &UA_TYPES[UA_TYPES_NODEID] ||
       typeNodeIdVariant.data == NULL) {
        UA_LOG_ERROR(&ctx->server->config.logger, UA_LOGCATEGORY_SERVER,
                     "EventType has an invalid type.");
        UA_Variant_clear(&typeNodeIdVariant);
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    /* check if the eventtype-nodeid is equal to the given oftype argument */
    result = UA_NodeId_equal((UA_NodeId*) typeNodeIdVariant.data, literalOperandNodeId);
    /* check if the eventtype-nodeid is a subtype of the given oftype argument */
    if(!result)
        result = isNodeInTree_singleRef(ctx->server,
                                        (UA_NodeId*) typeNodeIdVariant.data,
                                        literalOperandNodeId,
                                        UA_REFERENCETYPEINDEX_HASSUBTYPE);
    UA_Variant_clear(&typeNodeIdVariant);
    if(!result)
        return UA_STATUSCODE_BADNOMATCH;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
andOperator(UA_FilterOperatorContext *ctx) {
    UA_StatusCode firstBoolean_and = resolveBoolean(resolveOperand(ctx, 0));
    if(firstBoolean_and == UA_STATUSCODE_BADNOMATCH) {
        ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
        return UA_STATUSCODE_BADNOMATCH;
    }
    /* Evaluation of second operand */
    UA_StatusCode secondBoolean = resolveBoolean(resolveOperand(ctx, 1));
    /* Filteroperator AND */
    if(secondBoolean == UA_STATUSCODE_BADNOMATCH) {
        ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
        return UA_STATUSCODE_BADNOMATCH;
    }
    if((firstBoolean_and == UA_STATUSCODE_GOOD) &&
       (secondBoolean == UA_STATUSCODE_GOOD)) {
        ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
        return UA_STATUSCODE_GOOD;
    }
    return UA_STATUSCODE_BADFILTERELEMENTINVALID;
}

static UA_StatusCode
orOperator(UA_FilterOperatorContext *ctx) {
    UA_StatusCode firstBoolean_or = resolveBoolean(resolveOperand(ctx, 0));
    if(firstBoolean_or == UA_STATUSCODE_GOOD) {
        ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
        return UA_STATUSCODE_GOOD;
    }
    /* Evaluation of second operand */
    UA_StatusCode secondBoolean = resolveBoolean(resolveOperand(ctx, 1));
    if(secondBoolean == UA_STATUSCODE_GOOD) {
        ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
        return UA_STATUSCODE_GOOD;
    } 
    if((firstBoolean_or == UA_STATUSCODE_BADNOMATCH) &&
       (secondBoolean == UA_STATUSCODE_BADNOMATCH)) {
        ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
        return UA_STATUSCODE_BADNOMATCH;
    }
    return UA_STATUSCODE_BADFILTERELEMENTINVALID;
}

static UA_Boolean
isNumericUnsigned(UA_UInt32 dataTypeKind){
    if(dataTypeKind == UA_DATATYPEKIND_UINT64 ||
       dataTypeKind == UA_DATATYPEKIND_UINT32 ||
       dataTypeKind == UA_DATATYPEKIND_UINT16 ||
       dataTypeKind == UA_DATATYPEKIND_BYTE)
        return true;
    return false;
}

static UA_Boolean
isNumericSigned(UA_UInt32 dataTypeKind){
    if(dataTypeKind == UA_DATATYPEKIND_INT64 ||
       dataTypeKind == UA_DATATYPEKIND_INT32 ||
       dataTypeKind == UA_DATATYPEKIND_INT16 ||
       dataTypeKind == UA_DATATYPEKIND_SBYTE)
        return true;
    return false;
}

static UA_Boolean
isFloatingPoint(UA_UInt32 dataTypeKind){
    if(dataTypeKind == UA_DATATYPEKIND_FLOAT ||
       dataTypeKind == UA_DATATYPEKIND_DOUBLE)
        return true;
    return false;
}

static UA_Boolean
isStringType(UA_UInt32 dataTypeKind){
    if(dataTypeKind == UA_DATATYPEKIND_STRING ||
       dataTypeKind == UA_DATATYPEKIND_BYTESTRING)
        return true;
    return false;
}

static UA_StatusCode
implicitNumericVariantTransformation(UA_Variant *variant, void *data){
    if(variant->type == &UA_TYPES[UA_TYPES_UINT64]){
        *(UA_UInt64 *)data = *(UA_UInt64 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_UINT32]){
        *(UA_UInt64 *)data = *(UA_UInt32 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_UINT16]){
        *(UA_UInt64 *)data = *(UA_UInt16 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_BYTE]){
        *(UA_UInt64 *)data = *(UA_Byte *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_INT64]){
        *(UA_Int64 *)data = *(UA_Int64 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_INT32]){
        *(UA_Int64 *)data = *(UA_Int32 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_INT16]){
        *(UA_Int64 *)data = *(UA_Int16 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_SBYTE]){
        *(UA_Int64 *)data = *(UA_SByte *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_DOUBLE]){
        *(UA_Double *)data = *(UA_Double *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_DOUBLE]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_SBYTE]){
        *(UA_Double *)data = *(UA_Float *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_DOUBLE]);
    } else {
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
implicitNumericVariantTransformationUnsingedToSigned(UA_Variant *variant, void *data){
    if(variant->type == &UA_TYPES[UA_TYPES_UINT64]){
        if(*(UA_UInt64 *)variant->data > UA_INT64_MAX)
            return UA_STATUSCODE_BADTYPEMISMATCH;
        *(UA_Int64 *)data = *(UA_Int64 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_UINT32]){
        *(UA_Int64 *)data = *(UA_Int32 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_UINT16]){
        *(UA_Int64 *)data = *(UA_Int16 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_BYTE]){
        *(UA_Int64 *)data = *(UA_Byte *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_INT64]);
    } else {
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
implicitNumericVariantTransformationSignedToUnSigned(UA_Variant *variant, void *data){
    if(*(UA_Int64 *)variant->data < 0)
        return UA_STATUSCODE_BADTYPEMISMATCH;
    if(variant->type == &UA_TYPES[UA_TYPES_INT64]){
        *(UA_UInt64 *)data = *(UA_UInt64 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_INT32]){
        *(UA_UInt64 *)data = *(UA_UInt32 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_INT16]){
        *(UA_UInt64 *)data = *(UA_UInt16 *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else if(variant->type == &UA_TYPES[UA_TYPES_SBYTE]){
        *(UA_UInt64 *)data = *(UA_Byte *)variant->data;
        UA_Variant_setScalar(variant, data, &UA_TYPES[UA_TYPES_UINT64]);
    } else {
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }
    return UA_STATUSCODE_GOOD;
}

/* 0 -> Same Type, 1 -> Implicit Cast, 2 -> Only explicit Cast, -1 -> cast invalid */
static UA_SByte convertLookup[21][21] = {
    { 0, 1,-1,-1, 1,-1, 1,-1, 1, 1, 1,-1, 1,-1, 2,-1,-1, 1, 1, 1,-1},
    { 2, 0,-1,-1, 1,-1, 1,-1, 1, 1, 1,-1, 1,-1, 2,-1,-1, 1, 1, 1,-1},
    {-1,-1, 0,-1,-1,-1,-1, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
    {-1,-1,-1, 0,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 2,-1,-1,-1,-1,-1,-1},
    { 2, 2,-1,-1, 0,-1, 2,-1, 2, 2, 2,-1, 2,-1, 2,-1,-1, 2, 2, 2,-1},
    {-1,-1,-1,-1,-1, 0,-1,-1,-1,-1,-1, 2,-1,-1, 1,-1,-1,-1,-1,-1,-1},
    { 2, 2,-1,-1, 1,-1, 0,-1, 2, 2, 2,-1, 2,-1, 2,-1,-1, 2, 2, 2,-1},
    {-1,-1, 2,-1,-1,-1,-1, 0,-1,-1,-1,-1,-1,-1, 2,-1,-1,-1,-1,-1,-1},
    { 2, 2,-1,-1, 1,-1, 1,-1, 0, 1, 1,-1, 2,-1, 2,-1,-1, 2, 1, 1,-1},
    { 2, 2,-1,-1, 1,-1, 1,-1, 2, 0, 1,-1, 2, 2, 2,-1,-1, 2, 2, 1,-1},
    { 2, 2,-1,-1, 1,-1, 1,-1, 2, 2, 0,-1, 2, 2, 2,-1,-1, 2, 2, 2,-1},
    {-1,-1,-1,-1,-1, 1,-1,-1,-1,-1,-1, 0,-1,-1, 1,-1,-1,-1,-1,-1,-1},
    { 2, 2,-1,-1, 1,-1, 1,-1, 1, 1, 1,-1, 0,-1, 2,-1,-1, 1, 1, 1,-1},
    {-1,-1,-1,-1,-1,-1,-1,-1,-1, 1, 1,-1,-1, 0,-1,-1,-1, 2, 1, 1,-1},
    { 1, 1,-1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1,-1, 0, 2, 2, 1, 1, 1,-1},
    {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 1, 0,-1,-1,-1,-1,-1},
    {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 1, 1, 0,-1,-1,-1,-1},
    { 2, 2,-1,-1, 1,-1, 1,-1, 1, 1, 1,-1, 2, 1, 2,-1,-1, 0, 1, 1,-1},
    { 2, 2,-1,-1, 1,-1, 1,-1, 2, 1, 1,-1, 2, 2, 2,-1,-1, 2, 0, 1,-1},
    { 2, 2,-1,-1, 1,-1, 1,-1, 2, 2, 1,-1, 2, 2, 2,-1,-1, 2, 2, 0,-1},
    {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0}
};

/* This array maps the index of the
 * standard DataType-Kind order to the
 * order of the type convertion array */
static UA_Byte dataTypeKindIndex[30] = {
    0,   12,  1,  8, 17,
    9,   18, 10, 19,  6,
    4,   14,  3,  7,  2,
    20,  11,  5, 13, 16,
    15, 255,255,255,255,
    255,255,255,255,255
};

/* The OPC UA Standard defines in Part 4 several data type casting-rules. (see
 * 1.04 part 4 Table 122)
 * Return:
 *      0 -> same type
 *      1 -> types can be casted implicit
 *      2 -> types can only be explicitly casted
 *     -1 -> types can't be casted */
static UA_SByte
checkTypeCastingOption(const UA_DataType *cast_target, const UA_DataType *cast_source) {
    UA_Byte firstOperatorTypeKindIndex = dataTypeKindIndex[cast_target->typeKind];
    UA_Byte secondOperatorTypeKindIndex = dataTypeKindIndex[cast_source->typeKind];
    if(firstOperatorTypeKindIndex == UA_BYTE_MAX ||
       secondOperatorTypeKindIndex == UA_BYTE_MAX)
        return -1;

    return convertLookup[firstOperatorTypeKindIndex][secondOperatorTypeKindIndex];
}

/* Compare operation for equal, gt, le, gte, lee
 * UA_STATUSCODE_GOOD if the comparison was true
 * UA_STATUSCODE_BADNOMATCH if the comparison was false
 * UA_STATUSCODE_BADFILTEROPERATORINVALID for invalid operators
 * UA_STATUSCODE_BADTYPEMISMATCH if one of the operands was not numeric
 * ToDo Array-Casting
 */
static UA_StatusCode
compareOperation(UA_Variant *firstOperand, UA_Variant *secondOperand, UA_FilterOperator op) {
    /* get precedence of the operand types */
    UA_Int16 firstOperand_precedence = UA_DataType_getPrecedence(firstOperand->type);
    UA_Int16 secondOperand_precedence = UA_DataType_getPrecedence(secondOperand->type);
    /* if the types are not equal and one of the precedence-ranks is -1, then there is
       no implicit conversion possible and therefore no compare */
    if(!UA_NodeId_equal(&firstOperand->type->typeId, &secondOperand->type->typeId) &&
       (firstOperand_precedence == -1 || secondOperand_precedence == -1)){
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }
    /* check if the precedence order of the operators is swapped */
    UA_Variant *firstCompareOperand = firstOperand;
    UA_Variant *secondCompareOperand = secondOperand;
    UA_Boolean swapped = false;
    if (firstOperand_precedence < secondOperand_precedence){
        firstCompareOperand = secondOperand;
        secondCompareOperand = firstOperand;
        swapped = true;
    }
    UA_SByte castRule =
        checkTypeCastingOption(firstCompareOperand->type, secondCompareOperand->type);

    if(!(castRule == 0 || castRule == 1)){
        return UA_STATUSCODE_BADTYPEMISMATCH;
    }

    /* The operand Data-Types influence the behavior and steps for the comparison.
     * We need to check the operand types and store a rule which is used to select
     * the right behavior afterwards. */
    enum compareHandlingRuleEnum {
        UA_TYPES_EQUAL_ORDERED,
        UA_TYPES_EQUAL_UNORDERED,
        UA_TYPES_DIFFERENT_NUMERIC_UNSIGNED,
        UA_TYPES_DIFFERENT_NUMERIC_SIGNED,
        UA_TYPES_DIFFERENT_NUMERIC_FLOATING_POINT,
        UA_TYPES_DIFFERENT_TEXT,
        UA_TYPES_DIFFERENT_COMPARE_FORBIDDEN,
        UA_TYPES_DIFFERENT_COMPARE_EXPLIC,
        UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_SIGNED,
        UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_UNSIGNED
    } compareHandlingRuleEnum;

    if(castRule == 0 &&
       (UA_DataType_isNumeric(firstOperand->type) ||
        firstCompareOperand->type->typeKind == (UA_UInt32) UA_DATATYPEKIND_DATETIME ||
        firstCompareOperand->type->typeKind == (UA_UInt32) UA_DATATYPEKIND_STRING ||
        firstCompareOperand->type->typeKind == (UA_UInt32) UA_DATATYPEKIND_BYTESTRING)){
        /* Data-Types with a natural order (allow le, gt, lee, gte) */
        compareHandlingRuleEnum = UA_TYPES_EQUAL_ORDERED;
    } else if(castRule == 0){
        /* Data-Types without a natural order (le, gt, lee, gte are not allowed) */
        compareHandlingRuleEnum = UA_TYPES_EQUAL_UNORDERED;
    } else if(castRule == 1 &&
              isNumericSigned(firstOperand->type->typeKind) &&
              isNumericSigned(secondOperand->type->typeKind)){
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_NUMERIC_SIGNED;
    } else if(castRule == 1 &&
              isNumericUnsigned(firstOperand->type->typeKind) &&
              isNumericUnsigned(secondOperand->type->typeKind)){
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_NUMERIC_UNSIGNED;
    } else if(castRule == 1 &&
              isFloatingPoint(firstOperand->type->typeKind) &&
              isFloatingPoint(secondOperand->type->typeKind)){
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_NUMERIC_FLOATING_POINT;
    } else if(castRule == 1 &&
              isStringType(firstOperand->type->typeKind)&&
              isStringType(secondOperand->type->typeKind)){
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_TEXT;
    } else if(castRule == 1 &&
              isNumericSigned(firstOperand->type->typeKind) &&
              isNumericUnsigned(secondOperand->type->typeKind)){
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_SIGNED;
    } else if(castRule == 1 &&
              isNumericSigned(secondOperand->type->typeKind) &&
              isNumericUnsigned(firstOperand->type->typeKind)){
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_UNSIGNED;
    } else if(castRule == -1 || castRule == 2){
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_COMPARE_EXPLIC;
    } else {
        compareHandlingRuleEnum = UA_TYPES_DIFFERENT_COMPARE_FORBIDDEN;
    }

    if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_COMPARE_FORBIDDEN)
        return UA_STATUSCODE_BADFILTEROPERATORINVALID;

    if(swapped){
        firstCompareOperand = secondCompareOperand;
        secondCompareOperand = firstCompareOperand;
    }

    if(op == UA_FILTEROPERATOR_EQUALS){
        UA_Byte variantContent[16];
        memset(&variantContent, 0, sizeof(UA_Byte) * 16);
        if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_NUMERIC_SIGNED ||
           compareHandlingRuleEnum == UA_TYPES_DIFFERENT_NUMERIC_UNSIGNED ||
           compareHandlingRuleEnum == UA_TYPES_DIFFERENT_NUMERIC_FLOATING_POINT) {
            implicitNumericVariantTransformation(firstCompareOperand, variantContent);
            implicitNumericVariantTransformation(secondCompareOperand, &variantContent[8]);
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_SIGNED) {
            implicitNumericVariantTransformation(firstCompareOperand, variantContent);
            implicitNumericVariantTransformationUnsingedToSigned(secondCompareOperand, &variantContent[8]);
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_UNSIGNED) {
            implicitNumericVariantTransformation(firstCompareOperand, variantContent);
            implicitNumericVariantTransformationSignedToUnSigned(secondCompareOperand, &variantContent[8]);
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_TEXT) {
            firstCompareOperand->type = &UA_TYPES[UA_TYPES_STRING];
            secondCompareOperand->type = &UA_TYPES[UA_TYPES_STRING];
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_COMPARE_FORBIDDEN ||
                  compareHandlingRuleEnum == UA_TYPES_DIFFERENT_COMPARE_EXPLIC ){
            return UA_STATUSCODE_BADFILTEROPERATORINVALID;
        }
        if(UA_order(firstCompareOperand, secondCompareOperand, &UA_TYPES[UA_TYPES_VARIANT]) == UA_ORDER_EQ) {
            return UA_STATUSCODE_GOOD;
        }
    } else {
        UA_Byte variantContent[16];
        memset(&variantContent, 0, sizeof(UA_Byte) * 16);
        if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_NUMERIC_SIGNED ||
           compareHandlingRuleEnum == UA_TYPES_DIFFERENT_NUMERIC_UNSIGNED ||
           compareHandlingRuleEnum == UA_TYPES_DIFFERENT_NUMERIC_FLOATING_POINT) {
            implicitNumericVariantTransformation(firstCompareOperand, variantContent);
            implicitNumericVariantTransformation(secondCompareOperand, &variantContent[8]);
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_SIGNED) {
            implicitNumericVariantTransformation(firstCompareOperand, variantContent);
            implicitNumericVariantTransformationUnsingedToSigned(secondCompareOperand, &variantContent[8]);
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_SIGNEDNESS_CAST_TO_UNSIGNED) {
            implicitNumericVariantTransformation(firstCompareOperand, variantContent);
            implicitNumericVariantTransformationSignedToUnSigned(secondCompareOperand, &variantContent[8]);
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_TEXT) {
            firstCompareOperand->type = &UA_TYPES[UA_TYPES_STRING];
            secondCompareOperand->type = &UA_TYPES[UA_TYPES_STRING];
        } else if(compareHandlingRuleEnum == UA_TYPES_EQUAL_UNORDERED) {
            return UA_STATUSCODE_BADFILTEROPERATORINVALID;
        } else if(compareHandlingRuleEnum == UA_TYPES_DIFFERENT_COMPARE_FORBIDDEN ||
                  compareHandlingRuleEnum == UA_TYPES_DIFFERENT_COMPARE_EXPLIC) {
            return UA_STATUSCODE_BADFILTEROPERATORINVALID;
        }
        UA_Order gte_result = UA_order(firstCompareOperand, secondCompareOperand,
                                       &UA_TYPES[UA_TYPES_VARIANT]);
        if(op == UA_FILTEROPERATOR_LESSTHAN) {
            if(gte_result == UA_ORDER_LESS) {
                return UA_STATUSCODE_GOOD;
            }
        } else if(op == UA_FILTEROPERATOR_GREATERTHAN) {
            if(gte_result == UA_ORDER_MORE) {
                return UA_STATUSCODE_GOOD;
            }
        } else if(op == UA_FILTEROPERATOR_LESSTHANOREQUAL) {
            if(gte_result == UA_ORDER_LESS || gte_result == UA_ORDER_EQ) {
                return UA_STATUSCODE_GOOD;
            }
        } else if(op == UA_FILTEROPERATOR_GREATERTHANOREQUAL) {
            if(gte_result == UA_ORDER_MORE || gte_result == UA_ORDER_EQ) {
                return UA_STATUSCODE_GOOD;
            }
        }
    }
    return UA_STATUSCODE_BADNOMATCH;
}

static UA_StatusCode
compareOperator(UA_FilterOperatorContext *ctx) {
    ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
    UA_Variant firstOperand = resolveOperand(ctx, 0);
    if(UA_Variant_isEmpty(&firstOperand))
        return UA_STATUSCODE_BADFILTEROPERANDINVALID;
    UA_Variant secondOperand = resolveOperand(ctx, 1);
    if(UA_Variant_isEmpty(&secondOperand)) {
        return UA_STATUSCODE_BADFILTEROPERANDINVALID;
    }
    /* ToDo remove the following restriction: Add support for arrays */
    if(!UA_Variant_isScalar(&firstOperand) || !UA_Variant_isScalar(&secondOperand)){
        return UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED;
    }
    return compareOperation(&firstOperand, &secondOperand,
                            ctx->contentFilter->elements[ctx->index].filterOperator);
}

static UA_StatusCode
bitwiseOperator(UA_FilterOperatorContext *ctx) {
    /* The bitwise operators all have 2 operands which are evaluated equally. */
    UA_Variant firstOperand = resolveOperand(ctx, 0);
    if(UA_Variant_isEmpty(&firstOperand)) {
        return UA_STATUSCODE_BADFILTEROPERANDINVALID;
    }
    UA_Variant secondOperand = resolveOperand(ctx, 1);
    if(UA_Variant_isEmpty(&secondOperand)) {
        return UA_STATUSCODE_BADFILTEROPERANDINVALID;
    }

    UA_Boolean bitwiseAnd =
        ctx->contentFilter->elements[ctx->index].filterOperator == UA_FILTEROPERATOR_BITWISEAND;

    /* check if the operators are integers */
    if(!UA_DataType_isNumeric(firstOperand.type) ||
       !UA_DataType_isNumeric(secondOperand.type) ||
       !UA_Variant_isScalar(&firstOperand) ||
       !UA_Variant_isScalar(&secondOperand) ||
       (firstOperand.type == &UA_TYPES[UA_TYPES_DOUBLE]) ||
       (secondOperand.type == &UA_TYPES[UA_TYPES_DOUBLE]) ||
       (secondOperand.type == &UA_TYPES[UA_TYPES_FLOAT]) ||
       (firstOperand.type == &UA_TYPES[UA_TYPES_FLOAT])) {
        return UA_STATUSCODE_BADFILTEROPERANDINVALID;
    }

    /* check which is the return type (higher precedence == bigger integer)*/
    UA_Int16 precedence = UA_DataType_getPrecedence(firstOperand.type);
    if(precedence > UA_DataType_getPrecedence(secondOperand.type)) {
        precedence = UA_DataType_getPrecedence(secondOperand.type);
    }

    switch(precedence){
        case 3:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_INT64];
            UA_Int64 result_int64;
            if(bitwiseAnd) {
                result_int64 = *((UA_Int64 *)firstOperand.data) & *((UA_Int64 *)secondOperand.data);
            } else {
                result_int64 = *((UA_Int64 *)firstOperand.data) | *((UA_Int64 *)secondOperand.data);
            }
            UA_Int64_copy(&result_int64, (UA_Int64 *) ctx->valueResult[ctx->index].data);
            break;
        case 4:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_UINT64];
            UA_UInt64 result_uint64s;
            if(bitwiseAnd) {
                result_uint64s = *((UA_UInt64 *)firstOperand.data) & *((UA_UInt64 *)secondOperand.data);
            } else {
                result_uint64s = *((UA_UInt64 *)firstOperand.data) | *((UA_UInt64 *)secondOperand.data);
            }
            UA_UInt64_copy(&result_uint64s, (UA_UInt64 *) ctx->valueResult[ctx->index].data);
            break;
        case 5:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_INT32];
            UA_Int32 result_int32;
            if(bitwiseAnd) {
                result_int32 = *((UA_Int32 *)firstOperand.data) & *((UA_Int32 *)secondOperand.data);
            } else {
                result_int32 = *((UA_Int32 *)firstOperand.data) | *((UA_Int32 *)secondOperand.data);
            }
            UA_Int32_copy(&result_int32, (UA_Int32 *) ctx->valueResult[ctx->index].data);
            break;
        case 6:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_UINT32];
            UA_UInt32 result_uint32;
            if(bitwiseAnd) {
                result_uint32 = *((UA_UInt32 *)firstOperand.data) & *((UA_UInt32 *)secondOperand.data);
            } else {
                result_uint32 = *((UA_UInt32 *)firstOperand.data) | *((UA_UInt32 *)secondOperand.data);
            }
            UA_UInt32_copy(&result_uint32, (UA_UInt32 *) ctx->valueResult[ctx->index].data);
            break;
        case 8:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_INT16];
            UA_Int16 result_int16;
            if(bitwiseAnd) {
                result_int16 = *((UA_Int16 *)firstOperand.data) & *((UA_Int16 *)secondOperand.data);
            } else {
                result_int16 = *((UA_Int16 *)firstOperand.data) | *((UA_Int16 *)secondOperand.data);
            }
            UA_Int16_copy(&result_int16, (UA_Int16 *) ctx->valueResult[ctx->index].data);
            break;
        case 9:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_UINT16];
            UA_UInt16 result_uint16;
            if(bitwiseAnd) {
                result_uint16 = *((UA_UInt16 *)firstOperand.data) & *((UA_UInt16 *)secondOperand.data);
            } else {
                result_uint16 = *((UA_UInt16 *)firstOperand.data) | *((UA_UInt16 *)secondOperand.data);
            }
            UA_UInt16_copy(&result_uint16, (UA_UInt16 *) ctx->valueResult[ctx->index].data);
            break;
        case 10:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_SBYTE];
            UA_SByte result_sbyte;
            if(bitwiseAnd) {
                result_sbyte = *((UA_SByte *)firstOperand.data) & *((UA_SByte *)secondOperand.data);
            } else {
                result_sbyte = *((UA_SByte *)firstOperand.data) | *((UA_SByte *)secondOperand.data);
            }
            UA_SByte_copy(&result_sbyte, (UA_SByte *) ctx->valueResult[ctx->index].data);
            break;
        case 11:
            ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BYTE];
            UA_Byte result_byte;
            if(bitwiseAnd) {
                result_byte = *((UA_Byte *)firstOperand.data) & *((UA_Byte *)secondOperand.data);
            } else {
                result_byte = *((UA_Byte *)firstOperand.data) | *((UA_Byte *)secondOperand.data);
            }
            UA_Byte_copy(&result_byte, (UA_Byte *) ctx->valueResult[ctx->index].data);
            break;
        default:
            return UA_STATUSCODE_BADFILTEROPERANDINVALID;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
betweenOperator(UA_FilterOperatorContext *ctx) {
    ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];

    UA_Variant firstOperand = resolveOperand(ctx, 0);
    UA_Variant secondOperand = resolveOperand(ctx, 1);
    UA_Variant thirdOperand = resolveOperand(ctx, 2);

    if((UA_Variant_isEmpty(&firstOperand) ||
        UA_Variant_isEmpty(&secondOperand) ||
        UA_Variant_isEmpty(&thirdOperand)) ||
       (!UA_DataType_isNumeric(firstOperand.type) ||
        !UA_DataType_isNumeric(secondOperand.type) ||
        !UA_DataType_isNumeric(thirdOperand.type)) ||
       (!UA_Variant_isScalar(&firstOperand) ||
        !UA_Variant_isScalar(&secondOperand) ||
        !UA_Variant_isScalar(&thirdOperand))) {
        return UA_STATUSCODE_BADFILTEROPERANDINVALID;
    }

    /* Between can be evaluated through greaterThanOrEqual and lessThanOrEqual */
    if(compareOperation(&firstOperand, &secondOperand, UA_FILTEROPERATOR_GREATERTHANOREQUAL) == UA_STATUSCODE_GOOD &&
       compareOperation(&firstOperand, &thirdOperand, UA_FILTEROPERATOR_LESSTHANOREQUAL) == UA_STATUSCODE_GOOD){
        return UA_STATUSCODE_GOOD;
    }
    return UA_STATUSCODE_BADNOMATCH;
}

static UA_StatusCode
inListOperator(UA_FilterOperatorContext *ctx) {
    ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
    UA_Variant firstOperand = resolveOperand(ctx, 0);

    if(UA_Variant_isEmpty(&firstOperand) ||
       !UA_Variant_isScalar(&firstOperand)) {
        return UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED;
    }

    /* Evaluating the list of operands */
    for(size_t i = 1; i < ctx->contentFilter->elements[ctx->index].filterOperandsSize; i++) {
        /* Resolving the current operand */
        UA_Variant currentOperator = resolveOperand(ctx, (UA_UInt16)i);

        /* Check if the operand conforms to the operator*/
        if(UA_Variant_isEmpty(&currentOperator) ||
           !UA_Variant_isScalar(&currentOperator)) {
            return UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED;
        }
        if(compareOperation(&firstOperand, &currentOperator, UA_FILTEROPERATOR_EQUALS)) {
            return UA_STATUSCODE_GOOD;
        }
    }
    return UA_STATUSCODE_BADNOMATCH;
}

static UA_StatusCode
isNullOperator(UA_FilterOperatorContext *ctx) {
    /* Checking if operand is NULL. This is done by reducing the operand to a
    * variant and then checking if it is empty. */
    UA_Variant operand = resolveOperand(ctx, 0);
    ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
    if(!UA_Variant_isEmpty(&operand))
        return UA_STATUSCODE_BADNOMATCH;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
notOperator(UA_FilterOperatorContext *ctx) {
    /* Inverting the boolean value of the operand. */
    UA_StatusCode res = resolveBoolean(resolveOperand(ctx, 0));
    ctx->valueResult[ctx->index].type = &UA_TYPES[UA_TYPES_BOOLEAN];
    /* invert result */
    if(res == UA_STATUSCODE_GOOD)
        return UA_STATUSCODE_BADNOMATCH;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
evaluateWhereClauseContentFilter(UA_FilterOperatorContext *ctx) {
    UA_LOCK_ASSERT(&ctx->server->serviceMutex, 1);

    if(ctx->contentFilter->elements == NULL || ctx->contentFilter->elementsSize == 0) {
        /* Nothing to do.*/
        return UA_STATUSCODE_GOOD;
    }

    /* The first element needs to be evaluated, this might be linked to other
     * elements, which are evaluated in these cases. See 7.4.1 in Part 4. */
    UA_ContentFilterElement *pElement = &ctx->contentFilter->elements[ctx->index];
    UA_StatusCode *result = &ctx->contentFilterResult->elementResults[ctx->index].statusCode;
    switch(pElement->filterOperator) {
        case UA_FILTEROPERATOR_INVIEW:
            /* Fallthrough */
        case UA_FILTEROPERATOR_RELATEDTO:
            /* Not allowed for event WhereClause according to 7.17.3 in Part 4 */
            return UA_STATUSCODE_BADEVENTFILTERINVALID;
        case UA_FILTEROPERATOR_EQUALS:
            /* Fallthrough */
        case UA_FILTEROPERATOR_GREATERTHAN:
            /* Fallthrough */
        case UA_FILTEROPERATOR_LESSTHAN:
            /* Fallthrough */
        case UA_FILTEROPERATOR_GREATERTHANOREQUAL:
            /* Fallthrough */
        case UA_FILTEROPERATOR_LESSTHANOREQUAL:
            *result = compareOperator(ctx);
            break;
        case UA_FILTEROPERATOR_LIKE:
            return UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED;
        case UA_FILTEROPERATOR_NOT:
            *result = notOperator(ctx);
            break;
        case UA_FILTEROPERATOR_BETWEEN:
            *result = betweenOperator(ctx);
            break;
        case UA_FILTEROPERATOR_INLIST:
            /* ToDo currently only numeric types are allowed */
            *result = inListOperator(ctx);
            break;
        case UA_FILTEROPERATOR_ISNULL:
            *result = isNullOperator(ctx);
            break;
        case UA_FILTEROPERATOR_AND:
            *result = andOperator(ctx);
            break;
        case UA_FILTEROPERATOR_OR:
            *result = orOperator(ctx);
            break;
        case UA_FILTEROPERATOR_CAST:
            return UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED;
        case UA_FILTEROPERATOR_BITWISEAND:
            *result = bitwiseOperator(ctx);
            break;
        case UA_FILTEROPERATOR_BITWISEOR:
            *result = bitwiseOperator(ctx);
            break;
        case UA_FILTEROPERATOR_OFTYPE:
            *result = ofTypeOperator(ctx);
            break;
        default:
            return UA_STATUSCODE_BADFILTEROPERATORINVALID;
    }

    if(ctx->valueResult[ctx->index].type == &UA_TYPES[UA_TYPES_BOOLEAN]) {
        UA_Boolean *res = UA_Boolean_new();
        if(ctx->contentFilterResult->elementResults[ctx->index].statusCode == UA_STATUSCODE_GOOD)
            *res = true;
        else
            *res = false;
        ctx->valueResult[ctx->index].data = res;
    }
    return ctx->contentFilterResult->elementResults[ctx->index].statusCode;
}

/* Exposes the filters For unit tests */
UA_StatusCode
UA_Server_evaluateWhereClauseContentFilter(UA_Server *server, UA_Session *session,
                                           const UA_NodeId *eventNode,
                                           const UA_ContentFilter *contentFilter,
                                           UA_ContentFilterResult *contentFilterResult) {
    if(contentFilter->elementsSize == 0)
        return UA_STATUSCODE_GOOD;
    /* TODO add maximum lenth size to the server config */
    if(contentFilter->elementsSize > 256)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    UA_Variant valueResult[256];
    for(size_t i = 0; i < contentFilter->elementsSize; ++i) {
        UA_Variant_init(&valueResult[i]);
    }

    UA_FilterOperatorContext ctx;
    ctx.server = server;
    ctx.session = session;
    ctx.eventNode = eventNode;
    ctx.contentFilter = contentFilter;
    ctx.contentFilterResult = contentFilterResult;
    ctx.valueResult = valueResult;
    ctx.index = 0;

    UA_StatusCode res = evaluateWhereClauseContentFilter(&ctx);
    for(size_t i = 0; i < ctx.contentFilter->elementsSize; i++) {
        if(!UA_Variant_isEmpty(&ctx.valueResult[i]))
            UA_Variant_clear(&ctx.valueResult[i]);
    }
    return res;
}

static UA_Boolean
isValidEvent(UA_Server *server, const UA_NodeId *validEventParent,
             const UA_NodeId *eventId) {
    /* find the eventType variableNode */
    UA_QualifiedName findName = UA_QUALIFIEDNAME(0, "EventType");
    UA_BrowsePathResult bpr = browseSimplifiedBrowsePath(server, *eventId, 1, &findName);
    if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) {
        UA_BrowsePathResult_clear(&bpr);
        return false;
    }

    /* Get the EventType Property Node */
    UA_Variant tOutVariant;
    UA_Variant_init(&tOutVariant);

    /* Read the Value of EventType Property Node (the Value should be a NodeId) */
    UA_StatusCode retval = readWithReadValue(server, &bpr.targets[0].targetId.nodeId,
                                             UA_ATTRIBUTEID_VALUE, &tOutVariant);
    if(retval != UA_STATUSCODE_GOOD ||
       !UA_Variant_hasScalarType(&tOutVariant, &UA_TYPES[UA_TYPES_NODEID])) {
        UA_BrowsePathResult_clear(&bpr);
        return false;
    }

    const UA_NodeId *tEventType = (UA_NodeId*)tOutVariant.data;

    /* check whether the EventType is a Subtype of CondtionType
     * (Part 9 first implementation) */
    UA_NodeId conditionTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_CONDITIONTYPE);
    if(UA_NodeId_equal(validEventParent, &conditionTypeId) &&
       isNodeInTree_singleRef(server, tEventType, &conditionTypeId,
                              UA_REFERENCETYPEINDEX_HASSUBTYPE)) {
        UA_BrowsePathResult_clear(&bpr);
        UA_Variant_clear(&tOutVariant);
        return true;
    }

    /*EventType is not a Subtype of CondtionType
     *(ConditionId Clause won't be present in Events, which are not Conditions)*/
    /* check whether Valid Event other than Conditions */
    UA_NodeId baseEventTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEEVENTTYPE);
    UA_Boolean isSubtypeOfBaseEvent =
        isNodeInTree_singleRef(server, tEventType, &baseEventTypeId,
                               UA_REFERENCETYPEINDEX_HASSUBTYPE);

    UA_BrowsePathResult_clear(&bpr);
    UA_Variant_clear(&tOutVariant);
    return isSubtypeOfBaseEvent;
}

UA_StatusCode
filterEvent(UA_Server *server, UA_Session *session,
            const UA_NodeId *eventNode, UA_EventFilter *filter,
            UA_EventFieldList *efl, UA_EventFilterResult *result) {
    if(filter->selectClausesSize == 0)
        return UA_STATUSCODE_BADEVENTFILTERINVALID;

    UA_EventFieldList_init(efl);
    efl->eventFields = (UA_Variant *)
        UA_Array_new(filter->selectClausesSize, &UA_TYPES[UA_TYPES_VARIANT]);
    if(!efl->eventFields)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    efl->eventFieldsSize = filter->selectClausesSize;

    /* empty event filter result */
    UA_EventFilterResult_init(result);
    result->selectClauseResultsSize = filter->selectClausesSize;
    result->selectClauseResults = (UA_StatusCode *)
        UA_Array_new(filter->selectClausesSize, &UA_TYPES[UA_TYPES_STATUSCODE]);
    if(!result->selectClauseResults) {
        UA_EventFieldList_clear(efl);
        UA_EventFilterResult_clear(result);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    /* prepare content filter result structure */
    if(filter->whereClause.elementsSize != 0) {
        result->whereClauseResult.elementResultsSize = filter->whereClause.elementsSize;
        result->whereClauseResult.elementResults = (UA_ContentFilterElementResult *)
            UA_Array_new(filter->whereClause.elementsSize,
            &UA_TYPES[UA_TYPES_CONTENTFILTERELEMENTRESULT]);
        if(!result->whereClauseResult.elementResults) {
            UA_EventFieldList_clear(efl);
            UA_EventFilterResult_clear(result);
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        for(size_t i = 0; i < result->whereClauseResult.elementResultsSize; ++i) {
            result->whereClauseResult.elementResults[i].operandStatusCodesSize =
            filter->whereClause.elements->filterOperandsSize;
            result->whereClauseResult.elementResults[i].operandStatusCodes =
                (UA_StatusCode *)UA_Array_new(
                    filter->whereClause.elements->filterOperandsSize,
                    &UA_TYPES[UA_TYPES_STATUSCODE]);
            if(!result->whereClauseResult.elementResults[i].operandStatusCodes) {
                UA_EventFieldList_clear(efl);
                UA_EventFilterResult_clear(result);
                return UA_STATUSCODE_BADOUTOFMEMORY;
            }
        }
    }

    /* Apply the content (where) filter */
    UA_StatusCode res =
        UA_Server_evaluateWhereClauseContentFilter(server, session, eventNode,
                                                   &filter->whereClause, &result->whereClauseResult);
    if(res != UA_STATUSCODE_GOOD){
        UA_EventFieldList_clear(efl);
        UA_EventFilterResult_clear(result);
        return res;
    }

    /* Apply the select filter */
    /* Check if the browsePath is BaseEventType, in which case nothing more
     * needs to be checked */
    UA_NodeId baseEventTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEEVENTTYPE);
    for(size_t i = 0; i < filter->selectClausesSize; i++) {
        if(!UA_NodeId_equal(&filter->selectClauses[i].typeDefinitionId, &baseEventTypeId) &&
           !isValidEvent(server, &filter->selectClauses[i].typeDefinitionId, eventNode)) {
            UA_Variant_init(&efl->eventFields[i]);
            /* EventFilterResult currently isn't being used
            notification->result.selectClauseResults[i] = UA_STATUSCODE_BADTYPEDEFINITIONINVALID; */
            continue;
        }

        /* TODO: Put the result into the selectClausResults */
        resolveSimpleAttributeOperand(server, session, eventNode,
                                      &filter->selectClauses[i], &efl->eventFields[i]);
    }

    return UA_STATUSCODE_GOOD;
}

/*****************************************/
/* Validation of Filters during Creation */
/*****************************************/

/* Initial select clause validation. The following checks are currently performed:
 * - Check if typedefenitionid or browsepath of any clause is NULL
 * - Check if the eventType is a subtype of BaseEventType
 * - Check if attributeId is valid
 * - Check if browsePath contains null
 * - Check if indexRange is defined and if it is parsable
 * - Check if attributeId is value */
void
UA_Event_staticSelectClauseValidation(UA_Server *server,
                                      const UA_EventFilter *eventFilter,
                                      UA_StatusCode *result) {
    /* The selectClause only has to be checked, if the size is not zero */
    if(eventFilter->selectClausesSize == 0)
        return;
    for(size_t i = 0; i < eventFilter->selectClausesSize; ++i) {
        result[i] = UA_STATUSCODE_GOOD;
        /* /typedefenitionid or browsepath of any clause is not NULL ? */
        if(UA_NodeId_isNull(&eventFilter->selectClauses[i].typeDefinitionId)) {
            result[i] = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
            continue;
        }
        /*ToDo: Check the following workaround. In UaExpert Event View the selection
        * of the Server Object set up 7 select filter entries by default. The last
        * element ist  from node 2782 (A&C ConditionType). Since the reduced
        * information model dos not contain this type, the result has a brows path of
        * "null" which results in an error. */
        UA_NodeId ac_conditionType = UA_NODEID_NUMERIC(0, UA_NS0ID_CONDITIONTYPE);
        if(UA_NodeId_equal(&eventFilter->selectClauses[i].typeDefinitionId, &ac_conditionType)) {
            continue;
        }
        if(&eventFilter->selectClauses[i].browsePath[0] == NULL) {
            result[i] = UA_STATUSCODE_BADBROWSENAMEINVALID;
            continue;
        }
        /* eventType is a subtype of BaseEventType ? */
        UA_NodeId baseEventTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEEVENTTYPE);
        if(!isNodeInTree_singleRef(
            server, &eventFilter->selectClauses[i].typeDefinitionId,
            &baseEventTypeId, UA_REFERENCETYPEINDEX_HASSUBTYPE)) {
            result[i] = UA_STATUSCODE_BADTYPEDEFINITIONINVALID;
            continue;
        }
        /* attributeId is valid ? */
        if(!((0 < eventFilter->selectClauses[i].attributeId) &&
             (eventFilter->selectClauses[i].attributeId < 28))) {
            result[i] = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
            continue;
        }
        /* browsePath contains null ? */
        for(size_t j = 0; j < eventFilter->selectClauses[i].browsePathSize; ++j) {
            if(UA_QualifiedName_isNull(
                &eventFilter->selectClauses[i].browsePath[j])) {
                result[i] = UA_STATUSCODE_BADBROWSENAMEINVALID;
                break;
            }
        }

        /* Get the list of Subtypes from current node */
        UA_ReferenceTypeSet reftypes_interface =
                UA_REFTYPESET(UA_REFERENCETYPEINDEX_HASSUBTYPE);
        UA_ExpandedNodeId *chilTypeNodes = NULL;
        size_t chilTypeNodesSize = 0;
        UA_StatusCode res;
        res = browseRecursive(server, 1, &eventFilter->selectClauses[i].typeDefinitionId,
                        UA_BROWSEDIRECTION_FORWARD, &reftypes_interface, UA_NODECLASS_OBJECTTYPE,
                        true, &chilTypeNodesSize, &chilTypeNodes);
        if(res!=UA_STATUSCODE_GOOD){
            result[i] = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
            continue;
        }

        UA_Boolean subTypeContainField = false;
        for (size_t j = 0; j < chilTypeNodesSize; ++j) {
            /* browsPath element is defined in path */
            UA_BrowsePathResult bpr =
                    browseSimplifiedBrowsePath(server, chilTypeNodes[j].nodeId,
                                               eventFilter->selectClauses[i].browsePathSize,
                                               eventFilter->selectClauses[i].browsePath);

            if(bpr.statusCode != UA_STATUSCODE_GOOD){
                UA_BrowsePathResult_clear(&bpr);
                continue;
            }
            subTypeContainField = true;
            UA_BrowsePathResult_clear(&bpr);
        }
        if(!subTypeContainField)
            result[i] = UA_STATUSCODE_BADNODEIDUNKNOWN;

        UA_Array_delete(chilTypeNodes, chilTypeNodesSize, &UA_TYPES[UA_TYPES_EXPANDEDNODEID]);

        if(result[i] != UA_STATUSCODE_GOOD)
            continue;
        /*indexRange is defined ? */
        if(!UA_String_equal(&eventFilter->selectClauses[i].indexRange,
                            &UA_STRING_NULL)) {
            /* indexRange is parsable ? */
            UA_NumericRange numericRange = UA_NUMERICRANGE("");
            if(UA_NumericRange_parse(&numericRange,
                                     eventFilter->selectClauses[i].indexRange) !=
               UA_STATUSCODE_GOOD) {
                result[i] = UA_STATUSCODE_BADINDEXRANGEINVALID;
                continue;
            }
            UA_free(numericRange.dimensions);
            /* attributeId is value ? */
            if(eventFilter->selectClauses[i].attributeId != UA_ATTRIBUTEID_VALUE) {
                result[i] = UA_STATUSCODE_BADTYPEMISMATCH;
                continue;
            }
        }
    }
}

/* Initial content filter (where clause) check. Current checks:
 * - Number of operands for each (supported) operator */
UA_StatusCode
UA_Event_staticWhereClauseValidation(UA_Server *server,
                                     const UA_ContentFilter *filter,
                                     UA_ContentFilterResult *result) {
    UA_ContentFilterResult_init(result);
    result->elementResultsSize = filter->elementsSize;
    if(result->elementResultsSize == 0)
        return UA_STATUSCODE_GOOD;
    result->elementResults =
        (UA_ContentFilterElementResult *)UA_Array_new(
            result->elementResultsSize,
            &UA_TYPES[UA_TYPES_CONTENTFILTERELEMENTRESULT]);
    if(!result->elementResults)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    for(size_t i = 0; i < result->elementResultsSize; ++i) {
        UA_ContentFilterElementResult *er = &result->elementResults[i];
        UA_ContentFilterElement ef = filter->elements[i];
        UA_ContentFilterElementResult_init(er);
        er->operandStatusCodes =
            (UA_StatusCode *)UA_Array_new(
                ef.filterOperandsSize,
                &UA_TYPES[UA_TYPES_STATUSCODE]);
        er->operandStatusCodesSize = ef.filterOperandsSize;

        switch(ef.filterOperator) {
            case UA_FILTEROPERATOR_INVIEW:
            case UA_FILTEROPERATOR_RELATEDTO: {
                /* Not allowed for event WhereClause according to 7.17.3 in Part 4 */
                er->statusCode =
                    UA_STATUSCODE_BADEVENTFILTERINVALID;
                break;
            }
            case UA_FILTEROPERATOR_EQUALS:
            case UA_FILTEROPERATOR_GREATERTHAN:
            case UA_FILTEROPERATOR_LESSTHAN:
            case UA_FILTEROPERATOR_GREATERTHANOREQUAL:
            case UA_FILTEROPERATOR_LESSTHANOREQUAL:
            case UA_FILTEROPERATOR_LIKE:
            case UA_FILTEROPERATOR_CAST:
            case UA_FILTEROPERATOR_BITWISEAND:
            case UA_FILTEROPERATOR_BITWISEOR: {
                if(ef.filterOperandsSize != 2) {
                    er->statusCode =
                        UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH;
                    break;
                }
                er->statusCode = UA_STATUSCODE_GOOD;
                break;
            }
            case UA_FILTEROPERATOR_AND:
            case UA_FILTEROPERATOR_OR: {
                if(ef.filterOperandsSize != 2) {
                    er->statusCode =
                        UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH;
                    break;
                }
                for(size_t j = 0; j < 2; ++j) {
                    if(ef.filterOperands[j].content.decoded.type !=
                       &UA_TYPES[UA_TYPES_ELEMENTOPERAND]) {
                        er->operandStatusCodes[j] =
                            UA_STATUSCODE_BADFILTEROPERANDINVALID;
                        er->statusCode =
                            UA_STATUSCODE_BADFILTEROPERANDINVALID;
                        break;
                    }
                    if(((UA_ElementOperand *)ef.filterOperands[j]
                        .content.decoded.data)->index > filter->elementsSize - 1) {
                        er->operandStatusCodes[j] =
                            UA_STATUSCODE_BADINDEXRANGEINVALID;
                        er->statusCode =
                            UA_STATUSCODE_BADINDEXRANGEINVALID;
                        break;
                    }
                }
                er->statusCode = UA_STATUSCODE_GOOD;
                break;
            }
            case UA_FILTEROPERATOR_ISNULL:
            case UA_FILTEROPERATOR_NOT: {
                if(ef.filterOperandsSize != 1) {
                    er->statusCode =
                        UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH;
                    break;
                }
                er->statusCode = UA_STATUSCODE_GOOD;
                break;
            }
            case UA_FILTEROPERATOR_INLIST: {
                if(ef.filterOperandsSize <= 2) {
                    er->statusCode =
                        UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH;
                    break;
                }
                er->statusCode = UA_STATUSCODE_GOOD;
                break;
            }
            case UA_FILTEROPERATOR_BETWEEN: {
                if(ef.filterOperandsSize != 3) {
                    er->statusCode =
                        UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH;
                    break;
                }
                er->statusCode = UA_STATUSCODE_GOOD;
                break;
            }
            case UA_FILTEROPERATOR_OFTYPE: {
                if(ef.filterOperandsSize != 1) {
                    er->statusCode =
                        UA_STATUSCODE_BADFILTEROPERANDCOUNTMISMATCH;
                    break;
                }
                er->operandStatusCodesSize = ef.filterOperandsSize;
                if(ef.filterOperands[0].content.decoded.type !=
                   &UA_TYPES[UA_TYPES_LITERALOPERAND]) {
                    er->statusCode =
                        UA_STATUSCODE_BADFILTEROPERANDINVALID;
                    break;
                }
                UA_LiteralOperand *literalOperand =
                    (UA_LiteralOperand *)ef.filterOperands[0]
                        .content.decoded.data;

                /* Make sure the &pOperand->nodeId is a subtype of BaseEventType */
                UA_NodeId baseEventTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEEVENTTYPE);
                if(!isNodeInTree_singleRef(
                    server, (UA_NodeId *)literalOperand->value.data, &baseEventTypeId,
                    UA_REFERENCETYPEINDEX_HASSUBTYPE)) {
                    er->statusCode =
                        UA_STATUSCODE_BADNODEIDINVALID;
                    break;
                }
                er->statusCode = UA_STATUSCODE_GOOD;
                break;
            }
            default:
                er->statusCode =
                    UA_STATUSCODE_BADFILTEROPERATORUNSUPPORTED;
                break;
        }
    }
    return UA_STATUSCODE_GOOD;
}

#endif /* UA_ENABLE_SUBSCRIPTIONS_EVENTS */

/**** amalgamated original file "/plugins/crypto/openssl/securitypolicy_openssl_common.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 *
 */



#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)

#include <openssl/x509.h>
#include <openssl/evp.h>

_UA_BEGIN_DECLS

void saveDataToFile(const char *fileName, const UA_ByteString *str);
void UA_Openssl_Init(void);

UA_StatusCode
UA_copyCertificate(UA_ByteString *dst, const UA_ByteString *src);

UA_StatusCode
UA_OpenSSL_RSA_PKCS1_V15_SHA256_Verify(const UA_ByteString *msg,
                                       X509 *publicKeyX509,
                                       const UA_ByteString *signature);
UA_StatusCode
UA_Openssl_X509_GetCertificateThumbprint(const UA_ByteString *certficate,
                                         UA_ByteString *pThumbprint,
                                         bool bThumbPrint);
UA_StatusCode
UA_Openssl_RSA_Oaep_Decrypt(UA_ByteString *data,
                            EVP_PKEY *privateKey);
UA_StatusCode
UA_Openssl_RSA_OAEP_Encrypt(UA_ByteString *data, /* The data that is encrypted. 
                                                    The encrypted data will overwrite 
                                                    the data that was supplied.  */
                             size_t paddingSize, X509 *publicX509);

UA_StatusCode 
UA_Openssl_Random_Key_PSHA256_Derive(const UA_ByteString *secret,
                                     const UA_ByteString *seed, 
                                     UA_ByteString *out);

UA_StatusCode 
UA_Openssl_RSA_Public_GetKeyLength(X509 *publicKeyX509, UA_Int32 *keyLen);

UA_StatusCode 
UA_Openssl_RSA_PKCS1_V15_SHA256_Sign(const UA_ByteString *data,
                                     EVP_PKEY *privateKey,
                                     UA_ByteString *outSignature);

UA_StatusCode
UA_OpenSSL_HMAC_SHA256_Verify(const UA_ByteString *message,
                              const UA_ByteString *key,
                              const UA_ByteString *signature);

UA_StatusCode
UA_OpenSSL_HMAC_SHA256_Sign(const UA_ByteString *message,
                            const UA_ByteString *key,
                            UA_ByteString *signature);

UA_StatusCode
UA_OpenSSL_AES_256_CBC_Decrypt(const UA_ByteString *iv,
                               const UA_ByteString *key, 
                               UA_ByteString *data  /* [in/out]*/);

UA_StatusCode
UA_OpenSSL_AES_256_CBC_Encrypt(const UA_ByteString *iv,
                               const UA_ByteString *key, 
                               UA_ByteString *data  /* [in/out]*/);

UA_StatusCode 
UA_OpenSSL_X509_compare(const UA_ByteString *cert, const X509 *b);

UA_StatusCode 
UA_Openssl_RSA_Private_GetKeyLength(EVP_PKEY *privateKey,
                                    UA_Int32 *keyLen) ;

UA_StatusCode
UA_OpenSSL_RSA_PKCS1_V15_SHA1_Verify(const UA_ByteString *msg,
                                      X509 *publicKeyX509,
                                      const UA_ByteString *signature);

UA_StatusCode 
UA_Openssl_RSA_PKCS1_V15_SHA1_Sign(const UA_ByteString *message,
                                   EVP_PKEY *privateKey,
                                   UA_ByteString *outSignature);
UA_StatusCode 
UA_Openssl_Random_Key_PSHA1_Derive(const UA_ByteString *secret,
                                   const UA_ByteString *seed, 
                                   UA_ByteString *out);
UA_StatusCode
UA_OpenSSL_HMAC_SHA1_Verify(const UA_ByteString *message,
                            const UA_ByteString *key,
                            const UA_ByteString *signature);

UA_StatusCode
UA_OpenSSL_HMAC_SHA1_Sign(const UA_ByteString *message,
                          const UA_ByteString *key,
                          UA_ByteString *signature);

UA_StatusCode
UA_Openssl_RSA_PKCS1_V15_Decrypt(UA_ByteString *data, 
                                 EVP_PKEY *privateKey);

UA_StatusCode
UA_Openssl_RSA_PKCS1_V15_Encrypt(UA_ByteString *data, 
                                 size_t paddingSize,
                                 X509 *publicX509);

UA_StatusCode
UA_OpenSSL_AES_128_CBC_Decrypt(const UA_ByteString *iv,
                               const UA_ByteString *key, 
                               UA_ByteString *data  /* [in/out]*/);

UA_StatusCode
UA_OpenSSL_AES_128_CBC_Encrypt(const UA_ByteString *iv,
                               const UA_ByteString *key, 
                               UA_ByteString *data  /* [in/out]*/);

EVP_PKEY *
UA_OpenSSL_LoadPrivateKey(const UA_ByteString *privateKey);

X509 *
UA_OpenSSL_LoadCertificate(const UA_ByteString *certificate);

X509 *
UA_OpenSSL_LoadDerCertificate(const UA_ByteString *certificate);

X509 *
UA_OpenSSL_LoadPemCertificate(const UA_ByteString *certificate);

UA_StatusCode
UA_OpenSSL_LoadLocalCertificate(const UA_ByteString *certificate, UA_ByteString *target);

_UA_END_DECLS

#endif /* defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL) */


/**** amalgamated original file "/plugins/crypto/openssl/ua_openssl_version_abstraction.h" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2021 (c) Christian von Arnim, ISW University of Stuttgart (for VDW and umati)
 *
 */


#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)

#include <openssl/x509.h>

#if !defined(OPENSSL_VERSION_NUMBER)
#error "OPENSSL_VERSION_NUMBER is not defined."
#endif

#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
#define X509_STORE_CTX_set0_trusted_stack(STORE_CTX, CTX_SKTRUSTED) X509_STORE_CTX_trusted_stack(STORE_CTX, CTX_SKTRUSTED)
#endif

#if OPENSSL_VERSION_NUMBER < 0x1010000fL || defined(LIBRESSL_VERSION_NUMBER)
#define X509_STORE_CTX_get_check_issued(STORE_CTX) STORE_CTX->check_issued
#endif

#if OPENSSL_VERSION_NUMBER < 0x1010000fL || defined(LIBRESSL_VERSION_NUMBER)
#define get_pkey_rsa(evp) ((evp)->pkey.rsa)
#else
#define get_pkey_rsa(evp) EVP_PKEY_get0_RSA(evp)
#endif

#if OPENSSL_VERSION_NUMBER < 0x1010000fL || defined(LIBRESSL_VERSION_NUMBER)
#define X509_get0_subject_key_id(PX509_CERT) (const ASN1_OCTET_STRING *)X509_get_ext_d2i(PX509_CERT, NID_subject_key_identifier, NULL, NULL);
#endif

#endif /* defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL) */

/**** amalgamated original file "/plugins/crypto/openssl/securitypolicy_openssl_common.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 *    Copyright 2022 (c) Wind River Systems, Inc.
 */

/*
modification history
--------------------
01feb20,lan  written
*/


#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)

#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <openssl/sha.h>
#include <openssl/x509.h>
#include <openssl/hmac.h>
#include <openssl/aes.h>
#include <openssl/pem.h>


#define SHA1_DIGEST_LENGTH 20          /* 160 bits */
#define RSA_DECRYPT_BUFFER_LENGTH 2048  /* bytes */    


/** P_SHA256 Context */
typedef struct UA_Openssl_P_SHA256_Ctx_ {
    size_t  seedLen;
    size_t  secretLen;
    UA_Byte   A[32]; /* 32 bytes of SHA256 output */
    /*
    char seed[seedLen];
    char secret[secretLen]; */
} UA_Openssl_P_SHA256_Ctx;

#define UA_Openssl_P_SHA256_SEED(ctx)   ((ctx)->A+32)
#define UA_Openssl_P_SHA256_SECRET(ctx) ((ctx)->A+32+(ctx)->seedLen)

/** P_SHA1 Context */
typedef struct UA_Openssl_P_SHA1_Ctx_ {
    size_t  seedLen;
    size_t  secretLen;
    UA_Byte A[SHA1_DIGEST_LENGTH];  /* 20 bytes of SHA1 output */
    /*
    char seed[seedLen];
    char secret[secretLen]; */
} UA_Openssl_P_SHA1_Ctx;

#define UA_Openssl_P_SHA1_SEED(ctx)   ((ctx)->A + SHA1_DIGEST_LENGTH)
#define UA_Openssl_P_SHA1_SECRET(ctx) ((ctx)->A + SHA1_DIGEST_LENGTH +(ctx)->seedLen)

void
UA_Openssl_Init (void) {
    /* VxWorks7 has initialized the openssl. */
#ifndef __VXWORKS__
    static UA_Int16 bInit = 0;
    if (bInit == 1)
        return;
#if defined(OPENSSL_API_COMPAT) && (OPENSSL_API_COMPAT < 0x10100000L)
    /* only needed, if OpenSSL < V1.1 */
    OpenSSL_add_all_algorithms ();
    ERR_load_crypto_strings ();
#endif
    bInit = 1;
#endif
}

static int UA_OpenSSL_RSA_Key_Size (EVP_PKEY * key){
#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
    return EVP_PKEY_get_size (key);
#else
    return RSA_size (get_pkey_rsa(key));
#endif
}

/* UA_copyCertificate - allocalte the buffer, copy the certificate and
 * add a NULL to the end
 */

UA_StatusCode
UA_copyCertificate (UA_ByteString * dst,
                    const UA_ByteString * src) {
    UA_StatusCode retval = UA_ByteString_allocBuffer (dst, src->length + 1);
    if (retval != UA_STATUSCODE_GOOD)
        return retval;
    (void) memcpy (dst->data, src->data, src->length);
    dst->data[dst->length - 1] = '\0';
    dst->length--;

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_OpenSSL_RSA_Public_Verify (const UA_ByteString * message,
                              const EVP_MD *        evpMd,
                              X509 *                publicKeyX509,
                              UA_Int16              padding,
                              const UA_ByteString * signature
                              ) {
    EVP_MD_CTX *     mdctx        = NULL;
    int              opensslRet;
    EVP_PKEY_CTX *   evpKeyCtx;
    EVP_PKEY *       evpPublicKey = NULL;
    UA_StatusCode    ret;

    mdctx = EVP_MD_CTX_create ();
    if (mdctx == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto errout;
    }
    evpPublicKey = X509_get_pubkey (publicKeyX509);
    if (evpPublicKey == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto errout;
    }

    opensslRet = EVP_DigestVerifyInit (mdctx, &evpKeyCtx, evpMd, NULL,
                                       evpPublicKey);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    EVP_PKEY_CTX_set_rsa_padding (evpKeyCtx, padding);
    opensslRet = EVP_DigestVerifyUpdate (mdctx, message->data, message->length);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    opensslRet = EVP_DigestVerifyFinal(mdctx, signature->data, signature->length);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }

    ret = UA_STATUSCODE_GOOD;
errout:
    if (evpPublicKey != NULL) {
        EVP_PKEY_free (evpPublicKey);
    }
    if (mdctx != NULL) {
        EVP_MD_CTX_destroy (mdctx);
    }
    return ret;
}

UA_StatusCode
UA_OpenSSL_RSA_PKCS1_V15_SHA256_Verify (const UA_ByteString * msg,
                                        X509 *                publicKeyX509,
                                        const UA_ByteString * signature
                                       ) {
    return UA_OpenSSL_RSA_Public_Verify (msg, EVP_sha256(), publicKeyX509,
                                         NID_sha256, signature);
}

/* Get certificate thumbprint, and allocate the buffer. */

UA_StatusCode
UA_Openssl_X509_GetCertificateThumbprint (const UA_ByteString * certficate,
                                          UA_ByteString *       pThumbprint,
                                          bool                  bThumbPrint) {
    if (bThumbPrint) {
        pThumbprint->length = SHA_DIGEST_LENGTH;
        UA_StatusCode ret = UA_ByteString_allocBuffer (pThumbprint, pThumbprint->length);
        if (ret != UA_STATUSCODE_GOOD) {
            return ret;
            }
    }
    else {
        if (pThumbprint->length != SHA_DIGEST_LENGTH) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }
    }
    X509 * x509Certificate = UA_OpenSSL_LoadCertificate(certficate);

    if (x509Certificate == NULL) {
        if (bThumbPrint) {
            UA_ByteString_clear (pThumbprint);
        }
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    if (X509_digest (x509Certificate, EVP_sha1(), pThumbprint->data, NULL)
        != 1) {
        if (bThumbPrint) {
            UA_ByteString_clear (pThumbprint);
        }
    return UA_STATUSCODE_BADINTERNALERROR;
    }
    X509_free(x509Certificate);

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_Openssl_RSA_Private_Decrypt (UA_ByteString *      data,
                               EVP_PKEY *            privateKey,
                               UA_Int16              padding) {
    if (data == NULL || privateKey == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    if (privateKey == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    size_t keySize = (size_t) UA_OpenSSL_RSA_Key_Size (privateKey);
    size_t cipherOffset = 0;
    size_t outOffset = 0;
    unsigned char buf[RSA_DECRYPT_BUFFER_LENGTH];
    size_t decryptedBytes;
    EVP_PKEY_CTX * ctx;
    int opensslRet;

    ctx = EVP_PKEY_CTX_new (privateKey, NULL);
    if (ctx == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    opensslRet = EVP_PKEY_decrypt_init (ctx);
    if (opensslRet != 1)
        {
        EVP_PKEY_CTX_free (ctx);
        return UA_STATUSCODE_BADINTERNALERROR;
        }
    opensslRet = EVP_PKEY_CTX_set_rsa_padding (ctx, padding);
    if (opensslRet != 1) {
        EVP_PKEY_CTX_free (ctx);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    while (cipherOffset < data->length) {
        decryptedBytes = RSA_DECRYPT_BUFFER_LENGTH;
        opensslRet = EVP_PKEY_decrypt (ctx,
                           buf,                       /* where to decrypt */
                           &decryptedBytes,
                           data->data + cipherOffset, /* what to decrypt  */
                           keySize
                           );
        if (opensslRet != 1) {
            EVP_PKEY_CTX_free (ctx);
            return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        }
        (void) memcpy(data->data + outOffset, buf, decryptedBytes);
        cipherOffset += (size_t) keySize;
        outOffset += decryptedBytes;
    }
    data->length = outOffset;
    EVP_PKEY_CTX_free (ctx);

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Openssl_RSA_Oaep_Decrypt (UA_ByteString *       data,
                             EVP_PKEY * privateKey) {
    return  UA_Openssl_RSA_Private_Decrypt (data, privateKey,
                                            RSA_PKCS1_OAEP_PADDING);
}

static UA_StatusCode
UA_Openssl_RSA_Public_Encrypt  (const UA_ByteString * message,
                                X509 *                publicX509,
                                UA_Int16              padding,
                                size_t                paddingSize,
                                UA_ByteString *       encrypted) {
    EVP_PKEY_CTX *   ctx          = NULL;
    EVP_PKEY *       evpPublicKey = NULL;
    int              opensslRet;
    UA_StatusCode    ret;
    size_t encryptedTextLen = 0;
    size_t dataPos =  0;
    size_t encryptedPos = 0;
    size_t bytesToEncrypt = 0;
    size_t encryptedBlockSize = 0;
    size_t keySize = 0;

    evpPublicKey = X509_get_pubkey (publicX509);
    if (evpPublicKey == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto errout;
    }
    ctx = EVP_PKEY_CTX_new (evpPublicKey, NULL);
    if (ctx == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto errout;
    }
    opensslRet = EVP_PKEY_encrypt_init (ctx);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    opensslRet = EVP_PKEY_CTX_set_rsa_padding (ctx, padding);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }

    /* get the encrypted block size */

    keySize = (size_t) UA_OpenSSL_RSA_Key_Size (evpPublicKey);
    if (keySize == 0) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }

    switch (padding) {
        case RSA_PKCS1_OAEP_PADDING:
        case RSA_PKCS1_PADDING:
            if (keySize <= paddingSize) {
                ret = UA_STATUSCODE_BADINTERNALERROR;
                goto errout;
            }
            encryptedBlockSize = keySize - paddingSize;
            break;
        default:
            ret = UA_STATUSCODE_BADNOTSUPPORTED;
            goto errout;
            break;
    }

    /* encrypt in reverse order so that [data] may alias [encrypted] */

    dataPos =  message->length;
    encryptedPos = ((dataPos - 1) / encryptedBlockSize + 1) * keySize;
    bytesToEncrypt = (dataPos - 1) % encryptedBlockSize + 1;
    encryptedTextLen = encryptedPos;

    while (dataPos > 0) {
        size_t outlen = keySize;
        encryptedPos -= keySize;
        dataPos -= bytesToEncrypt;
        opensslRet = EVP_PKEY_encrypt (ctx, encrypted->data + encryptedPos, &outlen,
                                       message->data + dataPos, bytesToEncrypt);

        if (opensslRet != 1) {
            ret = UA_STATUSCODE_BADINTERNALERROR;
            goto errout;
        }
        bytesToEncrypt = encryptedBlockSize;
    }
    encrypted->length = encryptedTextLen;

    ret = UA_STATUSCODE_GOOD;
errout:
    if (evpPublicKey != NULL) {
        EVP_PKEY_free (evpPublicKey);
    }
    if (ctx != NULL) {
        EVP_PKEY_CTX_free (ctx);
    }
    return ret;
}

UA_StatusCode
UA_Openssl_RSA_OAEP_Encrypt (UA_ByteString * data,
                             size_t          paddingSize,
                             X509 *          publicX509) {
    UA_ByteString message;
    UA_StatusCode ret;

    ret = UA_ByteString_copy (data, &message);
    if (ret != UA_STATUSCODE_GOOD) {
        return ret;
    }
    ret = UA_Openssl_RSA_Public_Encrypt (&message, publicX509,
                                            RSA_PKCS1_OAEP_PADDING,
                                            paddingSize,
                                            data);
    UA_ByteString_clear (&message);
    return ret;
}

static UA_Openssl_P_SHA256_Ctx *
P_SHA256_Ctx_Create (const UA_ByteString *  secret,
                     const UA_ByteString *  seed) {
    size_t size = (UA_Int32)sizeof (UA_Openssl_P_SHA256_Ctx) + secret->length +
                    seed->length;
    UA_Openssl_P_SHA256_Ctx * ctx = (UA_Openssl_P_SHA256_Ctx *) UA_malloc (size);
    if (ctx == NULL) {
        return NULL;
    }
    ctx->secretLen = secret->length;
    ctx->seedLen = seed->length;
    (void) memcpy (UA_Openssl_P_SHA256_SEED(ctx), seed->data, seed->length);
    (void) memcpy (UA_Openssl_P_SHA256_SECRET(ctx), secret->data, secret->length);
    /* A(0) = seed
       A(n) = HMAC_HASH(secret, A(n-1)) */

    if (HMAC (EVP_sha256(), secret->data, (int) secret->length, seed->data,
        seed->length, ctx->A, NULL) == NULL) {
        UA_free (ctx);
        return NULL;
    }

    return ctx;
}

static UA_StatusCode
P_SHA256_Hash_Generate (UA_Openssl_P_SHA256_Ctx * ctx,
                        UA_Byte *                 pHas
                        ) {
    /* Calculate P_SHA256(n) = HMAC_SHA256(secret, A(n)+seed) */
    if (HMAC (EVP_sha256(),UA_Openssl_P_SHA256_SECRET(ctx), (int) ctx->secretLen,
        ctx->A, sizeof (ctx->A) + ctx->seedLen, pHas, NULL) == NULL) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }

    /* Calculate A(n) = HMAC_SHA256(secret, A(n-1)) */
   if (HMAC (EVP_sha256(),UA_Openssl_P_SHA256_SECRET(ctx), (int) ctx->secretLen,
        ctx->A, sizeof (ctx->A), ctx->A, NULL) == NULL) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Openssl_Random_Key_PSHA256_Derive (const UA_ByteString *     secret,
                                      const UA_ByteString *     seed,
                                      UA_ByteString *           out) {
    size_t keyLen = out->length;
    size_t iter   = keyLen/32 + ((keyLen%32)?1:0);
    size_t bufferLen = iter * 32;
    size_t i;
    UA_StatusCode st;

    UA_Byte * pBuffer = (UA_Byte *) UA_malloc (bufferLen);
    if (pBuffer == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_Openssl_P_SHA256_Ctx * ctx = P_SHA256_Ctx_Create (secret, seed);
    if (ctx == NULL) {
        UA_free (pBuffer);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    for (i = 0; i < iter; i++) {
        st = P_SHA256_Hash_Generate (ctx, pBuffer + (i * 32));
        if (st != UA_STATUSCODE_GOOD) {
            UA_free (pBuffer);
            UA_free (ctx);
            return st;
        }
    }

    (void) memcpy (out->data, pBuffer, keyLen);
    UA_free (pBuffer);
    UA_free (ctx);
    return UA_STATUSCODE_GOOD;
}

/* return the key bytes */
UA_StatusCode
UA_Openssl_RSA_Public_GetKeyLength (X509 *     publicKeyX509,
                                    UA_Int32 * keyLen) {
    EVP_PKEY * evpKey = X509_get_pubkey (publicKeyX509);
    if (evpKey == NULL) {
        return  UA_STATUSCODE_BADINTERNALERROR;
    }
    *keyLen = UA_OpenSSL_RSA_Key_Size (evpKey);
    
    EVP_PKEY_free (evpKey);

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Openssl_RSA_Private_GetKeyLength (EVP_PKEY * privateKey,
                                     UA_Int32 *            keyLen) {
    if (privateKey == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    *keyLen = UA_OpenSSL_RSA_Key_Size (privateKey);

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_Openssl_RSA_Private_Sign (const UA_ByteString * message,
                     EVP_PKEY * privateKey,
                     const EVP_MD *        evpMd,
                     UA_Int16              padding,
                     UA_ByteString *       outSignature) {
    EVP_MD_CTX *     mdctx        = NULL;
    int              opensslRet;
    EVP_PKEY_CTX *   evpKeyCtx;
    UA_StatusCode    ret;

    mdctx = EVP_MD_CTX_create ();
    if (mdctx == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto errout;
    }

    if (privateKey == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    opensslRet = EVP_DigestSignInit (mdctx, &evpKeyCtx, evpMd, NULL, privateKey);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    EVP_PKEY_CTX_set_rsa_padding (evpKeyCtx, padding);

    opensslRet = EVP_DigestSignUpdate (mdctx, message->data, message->length);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    opensslRet = EVP_DigestSignFinal (mdctx, outSignature->data, &outSignature->length);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }

    ret = UA_STATUSCODE_GOOD;
errout:
    if (mdctx != NULL) {
        EVP_MD_CTX_destroy (mdctx);
    }
    return ret;
}

UA_StatusCode
UA_Openssl_RSA_PKCS1_V15_SHA256_Sign (const UA_ByteString * message,
                                      EVP_PKEY * privateKey,
                                      UA_ByteString *       outSignature) {
    return UA_Openssl_RSA_Private_Sign (message, privateKey, EVP_sha256(),
                NID_sha256, outSignature);
}

UA_StatusCode
UA_OpenSSL_HMAC_SHA256_Verify (const UA_ByteString *     message,
                               const UA_ByteString *     key,
                               const UA_ByteString *     signature
                              ) {
    unsigned char buf[SHA256_DIGEST_LENGTH] = {0};
    UA_ByteString mac = {SHA256_DIGEST_LENGTH, buf};

    if (HMAC (EVP_sha256(), key->data, (int) key->length, message->data, message->length, 
              mac.data, (unsigned int *) &mac.length) == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    if (UA_ByteString_equal (signature, &mac)) {
        return UA_STATUSCODE_GOOD;
    }
    else {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
}

UA_StatusCode
UA_OpenSSL_HMAC_SHA256_Sign (const UA_ByteString *     message,
                             const UA_ByteString *     key,
                             UA_ByteString *           signature
                             ) {
    if (HMAC (EVP_sha256(), key->data, (int) key->length, message->data,
              message->length,
              signature->data, (unsigned int *) &(signature->length)) == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_OpenSSL_Decrypt (const UA_ByteString * iv,
                    const UA_ByteString * key,
                    const EVP_CIPHER *    cipherAlg,
                    UA_ByteString *       data  /* [in/out]*/) {
    UA_ByteString    ivCopy    = {0, NULL};
    UA_ByteString    cipherTxt = {0, NULL};
    EVP_CIPHER_CTX * ctx       = NULL;
    UA_StatusCode    ret;
    int              opensslRet;
    int              outLen;
    int              tmpLen;

    /* copy the IV because the AES_cbc_encrypt function overwrites it. */

    ret = UA_ByteString_copy (iv, &ivCopy);
    if (ret != UA_STATUSCODE_GOOD) {
        goto errout;
    }

    ret = UA_ByteString_copy (data, &cipherTxt);
    if (ret != UA_STATUSCODE_GOOD) {
        goto errout;
    }

    ctx = EVP_CIPHER_CTX_new ();
    if (ctx == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto errout;
    }

    /* call EVP_* to decrypt */

    opensslRet = EVP_DecryptInit_ex (ctx, cipherAlg, NULL, key->data, ivCopy.data);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    /* EVP_DecryptFinal() will return an error code if padding is enabled
     * and the final block is not correctly formatted.
     */
    EVP_CIPHER_CTX_set_padding (ctx, 0);
    opensslRet = EVP_DecryptUpdate (ctx, data->data, &outLen,
                                    cipherTxt.data, (int) cipherTxt.length);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    opensslRet = EVP_DecryptFinal_ex (ctx, data->data + outLen, &tmpLen);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    outLen += tmpLen;
    data->length = (size_t) outLen;
    ret = UA_STATUSCODE_GOOD;

errout:
    UA_ByteString_clear (&ivCopy);
    UA_ByteString_clear (&cipherTxt);
    if (ctx != NULL) {
        EVP_CIPHER_CTX_free(ctx);
    }
    return ret;
}

static UA_StatusCode
UA_OpenSSL_Encrypt (const UA_ByteString * iv,
                    const UA_ByteString * key,
                    const EVP_CIPHER *    cipherAlg,
                    UA_ByteString *       data  /* [in/out]*/
                    ) {

    UA_ByteString    ivCopy   = {0, NULL};
    UA_ByteString    plainTxt = {0, NULL};
    EVP_CIPHER_CTX * ctx      = NULL;
    UA_StatusCode    ret;
    int              opensslRet;
    int              outLen;
    int              tmpLen;

    /* copy the IV because the AES_cbc_encrypt function overwrites it. */

    ret = UA_ByteString_copy (iv, &ivCopy);
    if (ret != UA_STATUSCODE_GOOD) {
        goto errout;
    }

    ret = UA_ByteString_copy (data, &plainTxt);
    if (ret != UA_STATUSCODE_GOOD) {
        goto errout;
    }

    ctx = EVP_CIPHER_CTX_new ();
    if (ctx == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto errout;
    }

    /* call EVP_* to encrypt */

    opensslRet = EVP_EncryptInit_ex (ctx, cipherAlg, NULL, key->data, ivCopy.data);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }

    /* Disable padding. Padding is done in the stack before calling encryption.
     * Ensure that we have a multiple of the block size */
    if(data->length % (size_t)EVP_CIPHER_CTX_block_size(ctx)) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    opensslRet = EVP_CIPHER_CTX_set_padding(ctx, 0);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }

    /* Encrypt the data */
    opensslRet = EVP_EncryptUpdate (ctx, data->data, &outLen,
                                    plainTxt.data, (int) plainTxt.length);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }

    /* Encrypt-final does nothing as padding is disabled */
    opensslRet = EVP_EncryptFinal_ex(ctx, data->data + outLen, &tmpLen);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto errout;
    }
    outLen += tmpLen;
    data->length = (size_t) outLen;
    ret = UA_STATUSCODE_GOOD;

errout:
    UA_ByteString_clear (&ivCopy);
    UA_ByteString_clear (&plainTxt);
    if (ctx != NULL) {
        EVP_CIPHER_CTX_free(ctx);
    }
    return ret;
}

UA_StatusCode
UA_OpenSSL_AES_256_CBC_Decrypt (const UA_ByteString * iv,
                                const UA_ByteString * key,
                                UA_ByteString *       data  /* [in/out]*/
                                ) {
    return UA_OpenSSL_Decrypt (iv, key, EVP_aes_256_cbc (), data);
}

UA_StatusCode
UA_OpenSSL_AES_256_CBC_Encrypt (const UA_ByteString * iv,
                            const UA_ByteString * key,
                            UA_ByteString *       data  /* [in/out]*/
                            ) {
    return UA_OpenSSL_Encrypt (iv, key, EVP_aes_256_cbc (), data);
}

UA_StatusCode
UA_OpenSSL_X509_compare (const UA_ByteString * cert,
                         const X509 *          bcert) {
    X509 * acert = UA_OpenSSL_LoadCertificate(cert);
    if (acert == NULL) {
        return UA_STATUSCODE_BADCERTIFICATEINVALID;
    }
    int opensslRet = X509_cmp (acert, bcert);
    X509_free (acert);

    if (opensslRet == 0)
        return UA_STATUSCODE_GOOD;
    return UA_STATUSCODE_UNCERTAINSUBNORMAL;
}

UA_StatusCode
UA_OpenSSL_RSA_PKCS1_V15_SHA1_Verify (const UA_ByteString * msg,
                                      X509 *                publicKeyX509,
                                      const UA_ByteString * signature) {
    return UA_OpenSSL_RSA_Public_Verify (msg, EVP_sha1(), publicKeyX509,
                                         NID_sha1, signature);
}

UA_StatusCode
UA_Openssl_RSA_PKCS1_V15_SHA1_Sign (const UA_ByteString * message,
                                    EVP_PKEY * privateKey,
                                    UA_ByteString *       outSignature) {
    return UA_Openssl_RSA_Private_Sign (message, privateKey, EVP_sha1(),
                                        NID_sha1, outSignature);
}

static UA_Openssl_P_SHA1_Ctx *
P_SHA1_Ctx_Create (const UA_ByteString *  secret,
                   const UA_ByteString *  seed) {
    size_t size = (UA_Int32)sizeof (UA_Openssl_P_SHA1_Ctx) + secret->length +
                    seed->length;
    UA_Openssl_P_SHA1_Ctx * ctx = (UA_Openssl_P_SHA1_Ctx *) UA_malloc (size);
    if (ctx == NULL) {
        return NULL;
    }

    ctx->secretLen = secret->length;
    ctx->seedLen = seed->length;
    (void) memcpy (UA_Openssl_P_SHA1_SEED(ctx), seed->data, seed->length);
    (void) memcpy (UA_Openssl_P_SHA1_SECRET(ctx), secret->data, secret->length);
    /* A(0) = seed
       A(n) = HMAC_HASH(secret, A(n-1)) */

    if (HMAC (EVP_sha1(), secret->data, (int) secret->length, seed->data,
        seed->length, ctx->A, NULL) == NULL) {
        UA_free (ctx);
        return NULL;
    }

    return ctx;
}

static UA_StatusCode
P_SHA1_Hash_Generate (UA_Openssl_P_SHA1_Ctx * ctx,
                      UA_Byte *               pHas
                      ) {
    /* Calculate P_SHA1(n) = HMAC_SHA1(secret, A(n)+seed) */
    if (HMAC (EVP_sha1 (), UA_Openssl_P_SHA1_SECRET(ctx), (int) ctx->secretLen,
        ctx->A, sizeof (ctx->A) + ctx->seedLen, pHas, NULL) == NULL) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }

    /* Calculate A(n) = HMAC_SHA1(secret, A(n-1)) */
   if (HMAC (EVP_sha1(), UA_Openssl_P_SHA1_SECRET(ctx), (int) ctx->secretLen,
        ctx->A, sizeof (ctx->A), ctx->A, NULL) == NULL) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Openssl_Random_Key_PSHA1_Derive (const UA_ByteString *     secret,
                                   const UA_ByteString *     seed,
                                   UA_ByteString *           out) {
    size_t keyLen     = out->length;
    size_t iter       = keyLen / SHA1_DIGEST_LENGTH + ((keyLen % SHA1_DIGEST_LENGTH)?1:0);
    size_t bufferLen  = iter * SHA1_DIGEST_LENGTH;
    UA_Byte * pBuffer = (UA_Byte *) UA_malloc (bufferLen);
    if (pBuffer == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_Openssl_P_SHA1_Ctx * ctx = P_SHA1_Ctx_Create (secret, seed);
    if (ctx == NULL) {
        UA_free (pBuffer);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    size_t i;
    UA_StatusCode st;

    for (i = 0; i < iter; i++) {
        st = P_SHA1_Hash_Generate (ctx, pBuffer + (i * SHA1_DIGEST_LENGTH));
        if (st != UA_STATUSCODE_GOOD) {
            UA_free (pBuffer);
            UA_free (ctx);
            return st;
        }
    }

    (void) memcpy (out->data, pBuffer, keyLen);
    UA_free (pBuffer);
    UA_free (ctx);

    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_OpenSSL_HMAC_SHA1_Verify (const UA_ByteString *     message,
                             const UA_ByteString *     key,
                             const UA_ByteString *     signature
                             ) {
    unsigned char buf[SHA1_DIGEST_LENGTH] = {0};
    UA_ByteString mac = {SHA1_DIGEST_LENGTH, buf};

    if(HMAC (EVP_sha1(), key->data, (int) key->length, message->data, message->length,
             mac.data, (unsigned int *) &mac.length) == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    if (UA_ByteString_equal (signature, &mac)) {
        return UA_STATUSCODE_GOOD;
    }
    else {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
}

UA_StatusCode
UA_OpenSSL_HMAC_SHA1_Sign (const UA_ByteString *     message,
                           const UA_ByteString *     key,
                           UA_ByteString *           signature
                           ) {
    if (HMAC (EVP_sha1(), key->data, (int) key->length, message->data,
              message->length,
              signature->data, (unsigned int *) &(signature->length)) == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
UA_Openssl_RSA_PKCS1_V15_Decrypt (UA_ByteString *       data,
                                  EVP_PKEY * privateKey) {
    return  UA_Openssl_RSA_Private_Decrypt (data, privateKey,
                                            RSA_PKCS1_PADDING);
}

UA_StatusCode
UA_Openssl_RSA_PKCS1_V15_Encrypt (UA_ByteString * data,
                                  size_t          paddingSize,
                                  X509 *          publicX509) {
    UA_ByteString message;
    UA_StatusCode ret = UA_ByteString_copy (data, &message);
    if (ret != UA_STATUSCODE_GOOD) {
        return ret;
    }
    ret = UA_Openssl_RSA_Public_Encrypt (&message, publicX509,
                                         RSA_PKCS1_PADDING,
                                         paddingSize,
                                         data);
    UA_ByteString_clear (&message);
    return ret;
}

UA_StatusCode
UA_OpenSSL_AES_128_CBC_Decrypt (const UA_ByteString * iv,
                                const UA_ByteString * key,
                                UA_ByteString *       data  /* [in/out]*/
                                ) {
    return UA_OpenSSL_Decrypt (iv, key, EVP_aes_128_cbc (), data);
}

UA_StatusCode
UA_OpenSSL_AES_128_CBC_Encrypt (const UA_ByteString * iv,
                                const UA_ByteString * key,
                                UA_ByteString *       data  /* [in/out]*/
                                ) {
    return UA_OpenSSL_Encrypt (iv, key, EVP_aes_128_cbc (), data);
}

EVP_PKEY *
UA_OpenSSL_LoadPrivateKey(const UA_ByteString *privateKey) {
    const unsigned char * pkData = privateKey->data;
    long len = (long) privateKey->length;
    if(len == 0)
        return NULL;

    EVP_PKEY *result = NULL;

    if (len > 1 && pkData[0] == 0x30 && pkData[1] == 0x82) { // Magic number for DER encoded keys
        result = d2i_PrivateKey(EVP_PKEY_RSA, NULL,
                                          &pkData, len);
    } else {
        BIO *bio = NULL;
        bio = BIO_new_mem_buf((void *) privateKey->data, (int) privateKey->length);
        result = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL);
        BIO_free(bio);
    }

    return result;
}

X509 *
UA_OpenSSL_LoadCertificate(const UA_ByteString *certificate) {
    X509 * result = NULL;
    const unsigned char *pData = certificate->data;

    if (certificate->length > 1 && pData[0] == 0x30 && pData[1] == 0x82) { // Magic number for DER encoded files
        result = UA_OpenSSL_LoadDerCertificate(certificate);
    } else {
        result = UA_OpenSSL_LoadPemCertificate(certificate);
    }

    return result;
}

X509 *
UA_OpenSSL_LoadDerCertificate(const UA_ByteString *certificate) {
    const unsigned char *pData = certificate->data;
    return d2i_X509(NULL, &pData, (long) certificate->length);
}

X509 *
UA_OpenSSL_LoadPemCertificate(const UA_ByteString *certificate) {
    X509 * result = NULL;

    BIO* bio = NULL;
    bio = BIO_new_mem_buf((void *) certificate->data, (int) certificate->length);
    result = PEM_read_bio_X509(bio, NULL, NULL, NULL);
    BIO_free(bio);

    return result;
}

UA_StatusCode
UA_OpenSSL_LoadLocalCertificate(const UA_ByteString *certificate, UA_ByteString *target) {
    X509 *cert = UA_OpenSSL_LoadCertificate(certificate);

    if (!cert) {
        UA_ByteString_init(target);
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    unsigned char *derData = NULL;
    int length = i2d_X509(cert, &derData);
    X509_free(cert);

    if (length > 0) {
        UA_ByteString temp;
        temp.length = (size_t) length;
        temp.data = derData;
        UA_ByteString_copy(&temp, target);
        OPENSSL_free(derData);
        return UA_STATUSCODE_GOOD;
    } else {
        UA_ByteString_init(target);
    }

    return UA_STATUSCODE_BADINVALIDARGUMENT;
}

#endif

/**** amalgamated original file "/plugins/crypto/openssl/ua_openssl_basic128rsa15.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 */


#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)


#include <openssl/x509.h>
#include <openssl/rand.h>
#include <openssl/evp.h>

#define UA_SHA1_LENGTH                                               20
#define UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN               11
#define UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_KEY_LENGTH    16
#define UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_BLOCK_SIZE    16
#define UA_SECURITYPOLICY_BASIC128RSA15_SYM_SIGNING_KEY_LENGTH       16
#define UA_SHA1_LENGTH                                               20

typedef struct {
    EVP_PKEY *                localPrivateKey;
    UA_ByteString             localCertThumbprint;
    const UA_Logger *         logger;
} Policy_Context_Basic128Rsa15;

typedef struct {
    UA_ByteString             localSymSigningKey;  
    UA_ByteString             localSymEncryptingKey; 
    UA_ByteString             localSymIv; 
    UA_ByteString             remoteSymSigningKey;
    UA_ByteString             remoteSymEncryptingKey;
    UA_ByteString             remoteSymIv;

    Policy_Context_Basic128Rsa15 * policyContext;
    UA_ByteString             remoteCertificate;
    X509 *                    remoteCertificateX509;   
} Channel_Context_Basic128Rsa15;

static UA_StatusCode 
UA_Policy_Basic128Rsa15_New_Context (UA_SecurityPolicy * securityPolicy,
                                     const UA_ByteString localPrivateKey,
                                     const UA_Logger *   logger) {
    Policy_Context_Basic128Rsa15 * context = (Policy_Context_Basic128Rsa15 *) 
                                    UA_malloc (sizeof (Policy_Context_Basic128Rsa15));
    if (context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    context->localPrivateKey = UA_OpenSSL_LoadPrivateKey(&localPrivateKey);

    if (!context->localPrivateKey) {
        UA_free(context);
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval = UA_Openssl_X509_GetCertificateThumbprint (
                         &securityPolicy->localCertificate,
                         &context->localCertThumbprint, true
                         );
    if (retval != UA_STATUSCODE_GOOD) {
        EVP_PKEY_free(context->localPrivateKey);
        UA_free (context);
        return retval; 
    }

    context->logger = logger;
    securityPolicy->policyContext = context;

    return UA_STATUSCODE_GOOD;
}                                    

static void
UA_Policy_Basic128Rsa15_Clear_Context (UA_SecurityPolicy *policy) {
    if (policy == NULL) {
        return;
    }
    UA_ByteString_clear(&policy->localCertificate);

    Policy_Context_Basic128Rsa15 * ctx = (Policy_Context_Basic128Rsa15 *) policy->policyContext;    
    if (ctx == NULL) {
        return; 
    }

    /* delete all allocated members in the context */

    EVP_PKEY_free(ctx->localPrivateKey);
    UA_ByteString_clear(&ctx->localCertThumbprint);
    UA_free (ctx);   

    return;
}

/* create the channel context */

static UA_StatusCode 
UA_ChannelModule_Basic128Rsa15_New_Context (const UA_SecurityPolicy * securityPolicy,
                                            const UA_ByteString *     remoteCertificate,
                                            void **                   channelContext) {
    if (securityPolicy == NULL || remoteCertificate == NULL || 
        channelContext == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;                                  
        }
    Channel_Context_Basic128Rsa15 * context = (Channel_Context_Basic128Rsa15 *)
            UA_malloc (sizeof (Channel_Context_Basic128Rsa15));
    if (context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_ByteString_init(&context->localSymSigningKey);
    UA_ByteString_init(&context->localSymEncryptingKey);
    UA_ByteString_init(&context->localSymIv);
    UA_ByteString_init(&context->remoteSymSigningKey);
    UA_ByteString_init(&context->remoteSymEncryptingKey);
    UA_ByteString_init(&context->remoteSymIv);

    UA_StatusCode retval = UA_copyCertificate (&context->remoteCertificate, 
                                               remoteCertificate);
    if (retval != UA_STATUSCODE_GOOD) {
        UA_free (context);
        return retval;
    }

    /* decode to X509 */
    context->remoteCertificateX509 = UA_OpenSSL_LoadCertificate(&context->remoteCertificate);
    if (context->remoteCertificateX509 == NULL) {
        UA_ByteString_clear (&context->remoteCertificate); 
        UA_free (context);
        return UA_STATUSCODE_BADCERTIFICATECHAININCOMPLETE;
    }

    context->policyContext = (Policy_Context_Basic128Rsa15 *) 
                             (securityPolicy->policyContext);

    *channelContext = context;

    UA_LOG_INFO (securityPolicy->logger, 
                 UA_LOGCATEGORY_SECURITYPOLICY, 
                 "The Basic128Rsa15 security policy channel with openssl is created.");

    return UA_STATUSCODE_GOOD;
}

/* delete the channel context */

static void 
UA_ChannelModule_Basic128Rsa15_Delete_Context (void * channelContext) {
    if (channelContext != NULL) {
        Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *)
                                              channelContext;
        X509_free (cc->remoteCertificateX509);                                           
        UA_ByteString_clear (&cc->remoteCertificate); 
        UA_ByteString_clear (&cc->localSymSigningKey);
        UA_ByteString_clear (&cc->localSymEncryptingKey);
        UA_ByteString_clear (&cc->localSymIv);
        UA_ByteString_clear (&cc->remoteSymSigningKey);
        UA_ByteString_clear (&cc->remoteSymEncryptingKey);
        UA_ByteString_clear (&cc->remoteSymIv);
        UA_LOG_INFO (cc->policyContext->logger, 
                 UA_LOGCATEGORY_SECURITYPOLICY, 
                 "The Basic128Rsa15 security policy channel with openssl is deleted.");   

        UA_free (cc);                      
    }
}

static UA_StatusCode
UA_ChannelModule_Basic128Rsa15_setLocalSymSigningKey (void *                channelContext,
                                                      const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}

static UA_StatusCode
UA_ChannelModule_Basic128Rsa15_setLocalSymEncryptingKey (void *                channelContext,
                                                         const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelModule_Basic128Rsa15_setLocalSymIv (void *                channelContext,
                                              const UA_ByteString * iv) {
    if (iv == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static UA_StatusCode
UA_ChannelModule_Basic128Rsa15_setRemoteSymSigningKey (void *                channelContext,
                                                       const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
UA_ChannelModule_Basic128Rsa15_setRemoteSymEncryptingKey (void *                channelContext,
                                                          const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelModule_Basic128Rsa15_setRemoteSymIv (void *                channelContext,
                                               const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(key, &cc->remoteSymIv);
}

static UA_StatusCode
UA_ChannelModule_Basic128Rsa15_compareCertificate (const void *          channelContext,
                                                   const UA_ByteString * certificate) {
    if(channelContext == NULL || certificate == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic128Rsa15 * cc = 
                     (const Channel_Context_Basic128Rsa15 *) channelContext;
    return UA_OpenSSL_X509_compare (certificate, cc->remoteCertificateX509);
}

static UA_StatusCode
UA_Asy_Basic128Rsa15_compareCertificateThumbprint (const UA_SecurityPolicy * securityPolicy,
                                     const UA_ByteString *     certificateThumbprint) {
    if (securityPolicy == NULL || certificateThumbprint == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    Policy_Context_Basic128Rsa15 *pc = (Policy_Context_Basic128Rsa15 *)
                                       securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint)) {
        return UA_STATUSCODE_BADCERTIFICATEINVALID;
    }
    return UA_STATUSCODE_GOOD;
}

/* Generates a thumbprint for the specified certificate */

static UA_StatusCode 
UA_Asy_Basic128Rsa15_makeCertificateThumbprint (const UA_SecurityPolicy * securityPolicy,
                                  const UA_ByteString *     certificate,
                                  UA_ByteString *           thumbprint) {
    return UA_Openssl_X509_GetCertificateThumbprint (certificate, 
               thumbprint, false); 
}

static size_t
UA_AsySig_Basic128Rsa15_getRemoteSignatureSize (const void *              channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic128Rsa15 * cc = (const Channel_Context_Basic128Rsa15 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen; 
}

static size_t 
UA_AsySig_Basic128Rsa15_getLocalSignatureSize (const void *              channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic128Rsa15 * cc = (const Channel_Context_Basic128Rsa15 *) channelContext;
    Policy_Context_Basic128Rsa15 * pc = (Policy_Context_Basic128Rsa15 *) cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength (pc->localPrivateKey, &keyLen);

    return (size_t) keyLen; 
}

static UA_StatusCode 
UA_AsySig_Basic128Rsa15_Verify (void *                    channelContext, 
                                const UA_ByteString *     message,
                                const UA_ByteString *     signature) {
    if (message == NULL || signature == NULL || 
        channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_StatusCode retval = UA_OpenSSL_RSA_PKCS1_V15_SHA1_Verify (message, 
                            cc->remoteCertificateX509, signature);

    return retval;
}

static UA_StatusCode
UA_AsySig_Basic128Rsa15_Sign (void *                    channelContext, 
                              const UA_ByteString *     message,
                              UA_ByteString *           signature) {
    if (channelContext == NULL || message == NULL || signature == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT; 
    }

    const Channel_Context_Basic128Rsa15 * cc = (const Channel_Context_Basic128Rsa15 *) channelContext;
    Policy_Context_Basic128Rsa15 *pc = cc->policyContext;
    return UA_Openssl_RSA_PKCS1_V15_SHA1_Sign (message, pc->localPrivateKey, signature);
}

static size_t
UA_AsymEn_Basic128Rsa15_getRemotePlainTextBlockSize (const void *channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic128Rsa15 * cc = (const Channel_Context_Basic128Rsa15 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen - UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN;
}

static size_t 
UA_AsymEn_Basic128Rsa15_getRemoteBlockSize (const void *channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic128Rsa15 * cc = (const Channel_Context_Basic128Rsa15 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen;
}

static size_t
UA_AsymEn_Basic128Rsa15_getRemoteKeyLength (const void *channelContext) {
    if (channelContext == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    const Channel_Context_Basic128Rsa15 * cc = (const Channel_Context_Basic128Rsa15 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen * 8;
}

static size_t 
UA_AsymEn_Basic128Rsa15_getLocalKeyLength (const void *channelContext) {
    if (channelContext == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    const Channel_Context_Basic128Rsa15 *cc = (const Channel_Context_Basic128Rsa15 *) channelContext;
    Policy_Context_Basic128Rsa15 *pc = cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength (pc->localPrivateKey, &keyLen);
    return (size_t) keyLen * 8; 
}

static UA_StatusCode 
UA_AsymEn_Basic128Rsa15_Decrypt (void *                    channelContext,
                                 UA_ByteString *           data) {
    if (channelContext == NULL || data == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    UA_StatusCode ret = UA_Openssl_RSA_PKCS1_V15_Decrypt (data, 
                        cc->policyContext->localPrivateKey);
    return ret;                        
}

static UA_StatusCode
UA_AsymEn_Basic128Rsa15_Encrypt (void *                    channelContext,
                                 UA_ByteString *           data) {
    if (channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT; 

    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;    
    return UA_Openssl_RSA_PKCS1_V15_Encrypt (data, 
                                             UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN,
                                             cc->remoteCertificateX509);
}

static UA_StatusCode
UA_Sym_Basic128Rsa15_generateNonce(void *policyContext,
                                   UA_ByteString *out) {
    UA_Int32 rc = RAND_bytes(out->data, (int) out->length);
    if (rc != 1) {
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_Sym_Basic128Rsa15_generateKey(void *policyContext,
                                 const UA_ByteString *secret,
                                 const UA_ByteString *seed,
                                 UA_ByteString *out) {
    return UA_Openssl_Random_Key_PSHA1_Derive(secret, seed, out);
}

static size_t 
UA_SymEn_Basic128Rsa15_getLocalKeyLength (const void *channelContext) {
    /* 16 bytes 128 bits */
    return UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_KEY_LENGTH; 
}

static size_t 
UA_SymEn_Basic128Rsa15_getBlockSize (const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
UA_SymEn_Basic128Rsa15_getRemoteKeyLength (const void * channelContext) {
    return UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_KEY_LENGTH; 
}

static UA_StatusCode
UA_SymEn_Basic128Rsa15_Encrypt (void *channelContext,
                                UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    
    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    return UA_OpenSSL_AES_128_CBC_Encrypt (&cc->localSymIv, &cc->localSymEncryptingKey, data);
}

static UA_StatusCode
UA_SymEn_Basic128Rsa15_Decrypt (void *                    channelContext,
                                UA_ByteString *           data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;    
    return UA_OpenSSL_AES_128_CBC_Decrypt (&cc->remoteSymIv, &cc->remoteSymEncryptingKey, data);
}

static size_t 
UA_SymSig_Basic128Rsa15_getKeyLength (const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC128RSA15_SYM_SIGNING_KEY_LENGTH; 
}

static size_t
UA_SymSig_Basic128Rsa15_getSignatureSize (const void *channelContext) {
    return UA_SHA1_LENGTH;
}

static UA_StatusCode
UA_SymSig_Basic128Rsa15_Verify (void *                    channelContext, 
                                const UA_ByteString *     message,
                                const UA_ByteString *     signature) {
    if (channelContext == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    
    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    return UA_OpenSSL_HMAC_SHA1_Verify (message, 
                                        &cc->remoteSymSigningKey, 
                                        signature);   
}

static UA_StatusCode 
UA_SymSig_Basic128Rsa15_Sign (void *                    channelContext, 
                              const UA_ByteString *     message,
                              UA_ByteString *           signature) {
    if (channelContext == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    
    Channel_Context_Basic128Rsa15 * cc = (Channel_Context_Basic128Rsa15 *) channelContext;
    return UA_OpenSSL_HMAC_SHA1_Sign (message, &cc->localSymSigningKey, signature);
}

/* the main entry of Basic128Rsa15 */

UA_StatusCode
UA_SecurityPolicy_Basic128Rsa15 (UA_SecurityPolicy * policy,
                                 const UA_ByteString localCertificate,
                                 const UA_ByteString localPrivateKey, 
                                 const UA_Logger *   logger) {

    UA_SecurityPolicyAsymmetricModule * const asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule * const  symmetricModule = &policy->symmetricModule;  
    UA_SecurityPolicyChannelModule * const    channelModule = &policy->channelModule;  
    UA_StatusCode                             retval; 

    UA_LOG_INFO (logger, UA_LOGCATEGORY_SECURITYPOLICY, 
                 "The Basic128Rsa15 security policy with openssl is added.");

    UA_Openssl_Init ();
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;
    policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15\0");

    /* set ChannelModule context  */

    channelModule->newContext = UA_ChannelModule_Basic128Rsa15_New_Context;
    channelModule->deleteContext = UA_ChannelModule_Basic128Rsa15_Delete_Context;

    channelModule->setLocalSymSigningKey = UA_ChannelModule_Basic128Rsa15_setLocalSymSigningKey;
    channelModule->setLocalSymEncryptingKey = UA_ChannelModule_Basic128Rsa15_setLocalSymEncryptingKey;
    channelModule->setLocalSymIv = UA_ChannelModule_Basic128Rsa15_setLocalSymIv;
    channelModule->setRemoteSymSigningKey = UA_ChannelModule_Basic128Rsa15_setRemoteSymSigningKey;
    channelModule->setRemoteSymEncryptingKey = UA_ChannelModule_Basic128Rsa15_setRemoteSymEncryptingKey;
    channelModule->setRemoteSymIv = UA_ChannelModule_Basic128Rsa15_setRemoteSymIv;
    channelModule->compareCertificate = UA_ChannelModule_Basic128Rsa15_compareCertificate;    

    retval = UA_OpenSSL_LoadLocalCertificate(&localCertificate, &policy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* asymmetricModule */

    asymmetricModule->compareCertificateThumbprint = UA_Asy_Basic128Rsa15_compareCertificateThumbprint;
    asymmetricModule->makeCertificateThumbprint = UA_Asy_Basic128Rsa15_makeCertificateThumbprint;

    /* AsymmetricModule - signature algorithm */

    UA_SecurityPolicySignatureAlgorithm * asySigAlgorithm = 
                    &asymmetricModule->cryptoModule.signatureAlgorithm;
    asySigAlgorithm->uri = UA_STRING("http://www.w3.org/2000/09/xmldsig#rsa-sha1\0");
    asySigAlgorithm->getRemoteSignatureSize = UA_AsySig_Basic128Rsa15_getRemoteSignatureSize;
    asySigAlgorithm->getLocalSignatureSize = UA_AsySig_Basic128Rsa15_getLocalSignatureSize;
    asySigAlgorithm->getLocalKeyLength = NULL;
    asySigAlgorithm->getRemoteKeyLength = NULL;
    asySigAlgorithm->verify = UA_AsySig_Basic128Rsa15_Verify;    
    asySigAlgorithm->sign = UA_AsySig_Basic128Rsa15_Sign;

    /*  AsymmetricModule encryption algorithm */

    UA_SecurityPolicyEncryptionAlgorithm * asymEncryAlg =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asymEncryAlg->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-1_5\0");
    asymEncryAlg->getRemotePlainTextBlockSize = UA_AsymEn_Basic128Rsa15_getRemotePlainTextBlockSize;
    asymEncryAlg->getRemoteBlockSize = UA_AsymEn_Basic128Rsa15_getRemoteBlockSize;
    asymEncryAlg->getRemoteKeyLength = UA_AsymEn_Basic128Rsa15_getRemoteKeyLength;
    asymEncryAlg->getLocalKeyLength = UA_AsymEn_Basic128Rsa15_getLocalKeyLength;
    asymEncryAlg->decrypt = UA_AsymEn_Basic128Rsa15_Decrypt;
    asymEncryAlg->encrypt = UA_AsymEn_Basic128Rsa15_Encrypt;

    /* SymmetricModule */

    symmetricModule->secureChannelNonceLength = 16;  /* 128 bits*/
    symmetricModule->generateNonce = UA_Sym_Basic128Rsa15_generateNonce;
    symmetricModule->generateKey = UA_Sym_Basic128Rsa15_generateKey; 

    /* Symmetric encryption Algorithm */

    UA_SecurityPolicyEncryptionAlgorithm * symEncryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    symEncryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#aes128-cbc\0");   
    symEncryptionAlgorithm->getLocalKeyLength = UA_SymEn_Basic128Rsa15_getLocalKeyLength;
    symEncryptionAlgorithm->getRemoteKeyLength = UA_SymEn_Basic128Rsa15_getRemoteKeyLength;
    symEncryptionAlgorithm->getRemoteBlockSize = UA_SymEn_Basic128Rsa15_getBlockSize;
    symEncryptionAlgorithm->getRemotePlainTextBlockSize = UA_SymEn_Basic128Rsa15_getBlockSize;
    symEncryptionAlgorithm->decrypt = UA_SymEn_Basic128Rsa15_Decrypt;
    symEncryptionAlgorithm->encrypt = UA_SymEn_Basic128Rsa15_Encrypt;    

    /* Symmetric signature Algorithm */

    UA_SecurityPolicySignatureAlgorithm * symSignatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    symSignatureAlgorithm->uri = UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha1\0");
    symSignatureAlgorithm->getLocalKeyLength = UA_SymSig_Basic128Rsa15_getKeyLength;
    symSignatureAlgorithm->getRemoteKeyLength = UA_SymSig_Basic128Rsa15_getKeyLength;
    symSignatureAlgorithm->getRemoteSignatureSize = UA_SymSig_Basic128Rsa15_getSignatureSize;
    symSignatureAlgorithm->getLocalSignatureSize = UA_SymSig_Basic128Rsa15_getSignatureSize;

    symSignatureAlgorithm->verify = UA_SymSig_Basic128Rsa15_Verify;
    symSignatureAlgorithm->sign = UA_SymSig_Basic128Rsa15_Sign;

    /* set the policy context */

    retval = UA_Policy_Basic128Rsa15_New_Context (policy, localPrivateKey, logger);
    if (retval != UA_STATUSCODE_GOOD) {
        UA_ByteString_clear (&policy->localCertificate);
        return retval;
    }
    policy->clear = UA_Policy_Basic128Rsa15_Clear_Context;    

    /* Use the same signature algorithm as the asymmetric component for 
       certificate signing (see standard) */
    policy->certificateSigningAlgorithm = policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    return UA_STATUSCODE_GOOD;
}

#endif

/**** amalgamated original file "/plugins/crypto/openssl/ua_openssl_basic256.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 */


#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)


#include <openssl/x509.h>
#include <openssl/rand.h>

#define UA_SECURITYPOLICY_BASIC256SHA1_RSAPADDING_LEN                42
#define UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_KEY_LENGTH         32
#define UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_BLOCK_SIZE         16
#define UA_SECURITYPOLICY_BASIC256_SYM_SIGNING_KEY_LENGTH            24
#define UA_SHA1_LENGTH                                               20

typedef struct {
    EVP_PKEY *                localPrivateKey;
    UA_ByteString             localCertThumbprint;
    const UA_Logger *         logger;
} Policy_Context_Basic256;

typedef struct {
    UA_ByteString             localSymSigningKey;  
    UA_ByteString             localSymEncryptingKey; 
    UA_ByteString             localSymIv; 
    UA_ByteString             remoteSymSigningKey;
    UA_ByteString             remoteSymEncryptingKey;
    UA_ByteString             remoteSymIv;

    Policy_Context_Basic256 * policyContext;
    UA_ByteString             remoteCertificate;
    X509 *                    remoteCertificateX509;   
} Channel_Context_Basic256;

static UA_StatusCode 
UA_Policy_Basic256_New_Context (UA_SecurityPolicy * securityPolicy,
                                const UA_ByteString localPrivateKey,
                                const UA_Logger *   logger) {
    Policy_Context_Basic256 * context = (Policy_Context_Basic256 *) 
                                    UA_malloc (sizeof (Policy_Context_Basic256));
    if (context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    
    context->localPrivateKey = UA_OpenSSL_LoadPrivateKey(&localPrivateKey);

    if (!context->localPrivateKey) {
        UA_free (context);
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval = UA_Openssl_X509_GetCertificateThumbprint (
                         &securityPolicy->localCertificate,
                         &context->localCertThumbprint, true
                         );
    if (retval != UA_STATUSCODE_GOOD) {
        EVP_PKEY_free(context->localPrivateKey);
        UA_free (context);
        return retval; 
    }

    context->logger = logger;
    securityPolicy->policyContext = context;

    return UA_STATUSCODE_GOOD;
}                                    

static void
UA_Policy_Basic256_Clear_Context (UA_SecurityPolicy *policy) {
    if (policy == NULL) {
        return;
    }
    UA_ByteString_clear(&policy->localCertificate);

    Policy_Context_Basic256 * ctx = (Policy_Context_Basic256 *) policy->policyContext;    
    if (ctx == NULL) {
        return; 
    }

    /* delete all allocated members in the context */

    EVP_PKEY_free(ctx->localPrivateKey);
    UA_ByteString_clear(&ctx->localCertThumbprint);
    UA_free (ctx);   

    return;         
}

/* create the channel context */

static UA_StatusCode 
UA_ChannelModule_Basic256_New_Context (const UA_SecurityPolicy * securityPolicy,
                                       const UA_ByteString *     remoteCertificate,
                                       void **                   channelContext) {
    if (securityPolicy == NULL || remoteCertificate == NULL || 
        channelContext == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;                                  
        }
    Channel_Context_Basic256 * context = (Channel_Context_Basic256 *)
            UA_malloc (sizeof (Channel_Context_Basic256));
    if (context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_ByteString_init(&context->localSymSigningKey);
    UA_ByteString_init(&context->localSymEncryptingKey);
    UA_ByteString_init(&context->localSymIv);
    UA_ByteString_init(&context->remoteSymSigningKey);
    UA_ByteString_init(&context->remoteSymEncryptingKey);
    UA_ByteString_init(&context->remoteSymIv);

    UA_StatusCode retval = UA_copyCertificate (&context->remoteCertificate, 
                                               remoteCertificate);
    if (retval != UA_STATUSCODE_GOOD) {
        UA_free (context);
        return retval;
    }

    /* decode to X509 */
    context->remoteCertificateX509 = UA_OpenSSL_LoadCertificate(&context->remoteCertificate);
    if (context->remoteCertificateX509 == NULL) {
        UA_ByteString_clear (&context->remoteCertificate); 
        UA_free (context);
        return UA_STATUSCODE_BADCERTIFICATECHAININCOMPLETE;
    }

    context->policyContext = (Policy_Context_Basic256 *) 
                             (securityPolicy->policyContext);

    *channelContext = context;

    UA_LOG_INFO (securityPolicy->logger, 
                 UA_LOGCATEGORY_SECURITYPOLICY, 
                 "The basic256 security policy channel with openssl is created.");

    return UA_STATUSCODE_GOOD;
}

/* delete the channel context */

static void 
UA_ChannelModule_Basic256_Delete_Context (void * channelContext) {
    if (channelContext != NULL) {
        Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *)
                                           channelContext;
        X509_free (cc->remoteCertificateX509);                                           
        UA_ByteString_clear (&cc->remoteCertificate); 
        UA_ByteString_clear (&cc->localSymSigningKey);
        UA_ByteString_clear (&cc->localSymEncryptingKey);
        UA_ByteString_clear (&cc->localSymIv);
        UA_ByteString_clear (&cc->remoteSymSigningKey);
        UA_ByteString_clear (&cc->remoteSymEncryptingKey);
        UA_ByteString_clear (&cc->remoteSymIv);
        UA_LOG_INFO (cc->policyContext->logger, 
                 UA_LOGCATEGORY_SECURITYPOLICY, 
                 "The basic256 security policy channel with openssl is deleted.");   

        UA_free (cc);                      
    }
}

/* Compares the supplied certificate with the certificate 
 * in the endpoint context 
 */

static UA_StatusCode
UA_Asy_Basic256_compareCertificateThumbprint (const UA_SecurityPolicy * securityPolicy,
                                     const UA_ByteString *     certificateThumbprint) {
    if (securityPolicy == NULL || certificateThumbprint == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    Policy_Context_Basic256 *pc = (Policy_Context_Basic256 *)
                                  securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint)) {
        return UA_STATUSCODE_BADCERTIFICATEINVALID;
    }
    return UA_STATUSCODE_GOOD;
}

/* Generates a thumbprint for the specified certificate */

static UA_StatusCode 
UA_Asy_Basic256_makeCertificateThumbprint (const UA_SecurityPolicy * securityPolicy,
                                  const UA_ByteString *     certificate,
                                  UA_ByteString *           thumbprint) {
    return UA_Openssl_X509_GetCertificateThumbprint (certificate, 
               thumbprint, false); 
}

static UA_StatusCode
UA_ChannelModule_Basic256_setLocalSymSigningKey (void *                channelContext,
                                                 const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}

static UA_StatusCode
UA_ChannelModule_Basic256_setLocalSymEncryptingKey (void *                channelContext,
                                                    const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelModule_Basic256_setLocalSymIv (void *                channelContext,
                                         const UA_ByteString * iv) {
    if (iv == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static UA_StatusCode
UA_ChannelModule_Basic256_setRemoteSymSigningKey (void *                channelContext,
                                                  const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
UA_ChannelModule_Basic256_setRemoteSymEncryptingKey (void *                channelContext,
                                                     const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelModule_Basic256_setRemoteSymIv (void *                channelContext,
                                          const UA_ByteString * key) {
    if (key == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(key, &cc->remoteSymIv);
}

static UA_StatusCode
UA_ChannelModule_Basic256_compareCertificate (const void *          channelContext,
                                              const UA_ByteString * certificate) {
    if(channelContext == NULL || certificate == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic256 * cc = 
                     (const Channel_Context_Basic256 *) channelContext;
    return UA_OpenSSL_X509_compare (certificate, cc->remoteCertificateX509);
}

static size_t
UA_AsySig_Basic256_getRemoteSignatureSize (const void *channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic256 * cc = (const Channel_Context_Basic256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen; 
}

static size_t 
UA_AsySig_Basic256_getLocalSignatureSize (const void *channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic256 * cc = (const Channel_Context_Basic256 *) channelContext;
    Policy_Context_Basic256 * pc = cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength (pc->localPrivateKey, &keyLen);

    return (size_t) keyLen; 
}

static UA_StatusCode 
UA_AsySig_Basic256_Verify (void *                    channelContext, 
                           const UA_ByteString *     message,
                           const UA_ByteString *     signature) {
    if (message == NULL || signature == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
        }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_StatusCode retval = UA_OpenSSL_RSA_PKCS1_V15_SHA1_Verify (message, 
                            cc->remoteCertificateX509, signature);
    return retval;
}

static UA_StatusCode
UA_AsySig_Basic256_Sign (void *                    channelContext, 
                         const UA_ByteString *     message,
                         UA_ByteString *           signature) {
    if (channelContext == NULL || message == NULL || signature == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT; 
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    Policy_Context_Basic256 * pc = cc->policyContext;
    return UA_Openssl_RSA_PKCS1_V15_SHA1_Sign (message, pc->localPrivateKey,
                                               signature);
}

static size_t
UA_AsymEn_Basic256_getRemotePlainTextBlockSize (const void *channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic256 * cc = (const Channel_Context_Basic256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen - UA_SECURITYPOLICY_BASIC256SHA1_RSAPADDING_LEN;
}

static size_t 
UA_AsymEn_Basic256_getRemoteBlockSize (const void *channelContext) {
    if (channelContext == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    const Channel_Context_Basic256 * cc = (const Channel_Context_Basic256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen;
}

static size_t
UA_AsymEn_Basic256_getRemoteKeyLength (const void *channelContext) {
    if (channelContext == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    const Channel_Context_Basic256 * cc = (const Channel_Context_Basic256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength (cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen * 8;
}

static size_t 
UA_AsymEn_Basic256_getLocalKeyLength (const void *channelContext) {
    if (channelContext == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    const Channel_Context_Basic256 *cc = (const Channel_Context_Basic256 *) channelContext;
    Policy_Context_Basic256 *pc = cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength (pc->localPrivateKey, &keyLen);

    return (size_t) keyLen * 8; 
}

static UA_StatusCode 
UA_AsymEn_Basic256_Decrypt (void *                    channelContext,
                            UA_ByteString *           data) {
    if (channelContext == NULL || data == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    UA_StatusCode ret = UA_Openssl_RSA_Oaep_Decrypt (data, 
                        cc->policyContext->localPrivateKey);
    return ret;                        
}

static UA_StatusCode
UA_AsymEn_Basic256_Encrypt (void *                    channelContext,
                            UA_ByteString *           data) {
    if (channelContext == NULL || data == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT; 
    }

    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;    
    return UA_Openssl_RSA_OAEP_Encrypt (data, UA_SECURITYPOLICY_BASIC256SHA1_RSAPADDING_LEN,
                                        cc->remoteCertificateX509);
}

static UA_StatusCode
UA_Sym_Basic256_generateNonce(void *policyContext,
                              UA_ByteString *out) {
    UA_Int32 rc = RAND_bytes(out->data, (int) out->length);
    if (rc != 1) {
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_Sym_Basic256_generateKey(void *policyContext, const UA_ByteString *secret,
                            const UA_ByteString *seed, UA_ByteString *out) {
    return UA_Openssl_Random_Key_PSHA1_Derive(secret, seed, out);
}

static size_t 
UA_SymEn_Basic256_getLocalKeyLength (const void *              channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_KEY_LENGTH; 
}

static size_t 
UA_SymEn_Basic256_getBlockSize (const void *              channelContext) {
    return UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
UA_SymEn_Basic256_getRemoteKeyLength (const void * channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_KEY_LENGTH; 
}

static UA_StatusCode
UA_SymEn_Basic256_Encrypt (void *                    channelContext,
                           UA_ByteString *           data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    
    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    return UA_OpenSSL_AES_256_CBC_Encrypt (&cc->localSymIv, &cc->localSymEncryptingKey, data);
}

static UA_StatusCode
UA_SymEn_Basic256_Decrypt (void *                    channelContext,
                           UA_ByteString *           data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;    
    return UA_OpenSSL_AES_256_CBC_Decrypt (&cc->remoteSymIv, &cc->remoteSymEncryptingKey, data);
}

static size_t 
UA_SymSig_Basic256_getKeyLength (const void *              channelContext) {
    return UA_SECURITYPOLICY_BASIC256_SYM_SIGNING_KEY_LENGTH; 
}

static size_t
UA_SymSig_Basic256_getSignatureSize (const void *              channelContext) {
    return UA_SHA1_LENGTH;
}

static UA_StatusCode
UA_SymSig_Basic256_Verify (void *                    channelContext, 
                           const UA_ByteString *     message,
                           const UA_ByteString *     signature) {
    if (channelContext == NULL || 
       message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    
    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    return UA_OpenSSL_HMAC_SHA1_Verify (message, 
                                        &cc->remoteSymSigningKey, 
                                        signature);   
}

static UA_StatusCode 
UA_SymSig_Basic256_Sign (void *                    channelContext, 
                         const UA_ByteString *     message,
                         UA_ByteString *           signature) {
    if (channelContext == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    
    Channel_Context_Basic256 * cc = (Channel_Context_Basic256 *) channelContext;
    return UA_OpenSSL_HMAC_SHA1_Sign (message, &cc->localSymSigningKey, signature);
}

/* the main entry of Basic256 */

UA_StatusCode
UA_SecurityPolicy_Basic256 (UA_SecurityPolicy * policy,
                            const UA_ByteString localCertificate,
                            const UA_ByteString localPrivateKey, 
                            const UA_Logger *   logger) {
    UA_SecurityPolicyAsymmetricModule * const asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule * const  symmetricModule = &policy->symmetricModule; 
    UA_SecurityPolicyChannelModule * const    channelModule = &policy->channelModule;  
    UA_StatusCode                             retval; 

    UA_LOG_INFO (logger, UA_LOGCATEGORY_SECURITYPOLICY, 
                 "The basic256 security policy with openssl is added.");

    UA_Openssl_Init ();
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;
    policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Basic256\0");

    /* set ChannelModule context  */

    channelModule->newContext = UA_ChannelModule_Basic256_New_Context;
    channelModule->deleteContext = UA_ChannelModule_Basic256_Delete_Context;

    channelModule->setLocalSymSigningKey = UA_ChannelModule_Basic256_setLocalSymSigningKey;
    channelModule->setLocalSymEncryptingKey = UA_ChannelModule_Basic256_setLocalSymEncryptingKey;
    channelModule->setLocalSymIv = UA_ChannelModule_Basic256_setLocalSymIv;
    channelModule->setRemoteSymSigningKey = UA_ChannelModule_Basic256_setRemoteSymSigningKey;
    channelModule->setRemoteSymEncryptingKey = UA_ChannelModule_Basic256_setRemoteSymEncryptingKey;
    channelModule->setRemoteSymIv = UA_ChannelModule_Basic256_setRemoteSymIv;
    channelModule->compareCertificate = UA_ChannelModule_Basic256_compareCertificate;

    retval = UA_OpenSSL_LoadLocalCertificate(&localCertificate, &policy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* asymmetricModule */

    asymmetricModule->compareCertificateThumbprint = UA_Asy_Basic256_compareCertificateThumbprint;
    asymmetricModule->makeCertificateThumbprint = UA_Asy_Basic256_makeCertificateThumbprint;

    /* AsymmetricModule - signature algorithm */

    UA_SecurityPolicySignatureAlgorithm * asySigAlgorithm =
        &asymmetricModule->cryptoModule.signatureAlgorithm;
    asySigAlgorithm->uri = UA_STRING("http://www.w3.org/2000/09/xmldsig#rsa-sha1\0");
    asySigAlgorithm->getRemoteSignatureSize = UA_AsySig_Basic256_getRemoteSignatureSize;
    asySigAlgorithm->getLocalSignatureSize = UA_AsySig_Basic256_getLocalSignatureSize;
    asySigAlgorithm->verify = UA_AsySig_Basic256_Verify;    
    asySigAlgorithm->sign = UA_AsySig_Basic256_Sign;
    asySigAlgorithm->getLocalKeyLength = NULL;
    asySigAlgorithm->getRemoteKeyLength = NULL;

    /*  AsymmetricModule encryption algorithm */

    UA_SecurityPolicyEncryptionAlgorithm * asymEncryAlg =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asymEncryAlg->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-oaep\0");
    asymEncryAlg->getRemotePlainTextBlockSize = UA_AsymEn_Basic256_getRemotePlainTextBlockSize;
    asymEncryAlg->getRemoteBlockSize = UA_AsymEn_Basic256_getRemoteBlockSize;
    asymEncryAlg->getRemoteKeyLength = UA_AsymEn_Basic256_getRemoteKeyLength;
    asymEncryAlg->getLocalKeyLength = UA_AsymEn_Basic256_getLocalKeyLength;
    asymEncryAlg->decrypt = UA_AsymEn_Basic256_Decrypt;
    asymEncryAlg->encrypt = UA_AsymEn_Basic256_Encrypt;

    /* SymmetricModule */

    symmetricModule->secureChannelNonceLength = 32;
    symmetricModule->generateNonce = UA_Sym_Basic256_generateNonce;
    symmetricModule->generateKey = UA_Sym_Basic256_generateKey; 

    /* Symmetric encryption Algorithm */

    UA_SecurityPolicyEncryptionAlgorithm * symEncryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    symEncryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#aes256-cbc\0");   
    symEncryptionAlgorithm->getLocalKeyLength = UA_SymEn_Basic256_getLocalKeyLength;
    symEncryptionAlgorithm->getRemoteKeyLength = UA_SymEn_Basic256_getRemoteKeyLength;
    symEncryptionAlgorithm->getRemoteBlockSize = UA_SymEn_Basic256_getBlockSize;
    symEncryptionAlgorithm->getRemotePlainTextBlockSize = UA_SymEn_Basic256_getBlockSize;
    symEncryptionAlgorithm->decrypt = UA_SymEn_Basic256_Decrypt;
    symEncryptionAlgorithm->encrypt = UA_SymEn_Basic256_Encrypt;

    /* Symmetric signature Algorithm */

    UA_SecurityPolicySignatureAlgorithm * symSignatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    symSignatureAlgorithm->uri = UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha1\0");
    symSignatureAlgorithm->getLocalKeyLength = UA_SymSig_Basic256_getKeyLength;
    symSignatureAlgorithm->getRemoteKeyLength = UA_SymSig_Basic256_getKeyLength;
    symSignatureAlgorithm->getRemoteSignatureSize = UA_SymSig_Basic256_getSignatureSize;
    symSignatureAlgorithm->getLocalSignatureSize = UA_SymSig_Basic256_getSignatureSize;
    symSignatureAlgorithm->verify = UA_SymSig_Basic256_Verify;
    symSignatureAlgorithm->sign = UA_SymSig_Basic256_Sign;

    /* set the policy context */

    retval = UA_Policy_Basic256_New_Context (policy, localPrivateKey, logger);
    if (retval != UA_STATUSCODE_GOOD) {
        UA_ByteString_clear (&policy->localCertificate);
        return retval;
    }
    policy->clear = UA_Policy_Basic256_Clear_Context;    

    /* Use the same signature algorithm as the asymmetric component for 
       certificate signing (see standard) */
    policy->certificateSigningAlgorithm = policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    return UA_STATUSCODE_GOOD;
}

#endif

/**** amalgamated original file "/plugins/crypto/openssl/ua_openssl_basic256sha256.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 */


#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)


#include <openssl/hmac.h>
#include <openssl/sha.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>

#define UA_SHA256_LENGTH 32    /* 256 bit */
#define UA_SECURITYPOLICY_BASIC256SHA256_RSAPADDING_LEN 42
#define UA_SECURITYPOLICY_BASIC256SHA256_SYM_SIGNING_KEY_LENGTH 32
#define UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_KEY_LENGTH 32
#define UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC256SHA256_SYM_PLAIN_TEXT_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC256SHA256_MINASYMKEYLENGTH 256
#define UA_SECURITYPOLICY_BASIC256SHA256_MAXASYMKEYLENGTH 512

typedef struct {
    EVP_PKEY *localPrivateKey;
    UA_ByteString localCertThumbprint;
    const UA_Logger *logger;    
} Policy_Context_Basic256Sha256;

typedef struct {
    UA_ByteString localSymSigningKey;  
    UA_ByteString localSymEncryptingKey; 
    UA_ByteString localSymIv; 
    UA_ByteString remoteSymSigningKey;
    UA_ByteString remoteSymEncryptingKey;
    UA_ByteString remoteSymIv;

    Policy_Context_Basic256Sha256 *policyContext;
    UA_ByteString remoteCertificate;
    X509 *remoteCertificateX509; /* X509 */      
} Channel_Context_Basic256Sha256;

/* create the policy context */

static UA_StatusCode 
UA_Policy_New_Context(UA_SecurityPolicy * securityPolicy,
                       const UA_ByteString localPrivateKey,
                       const UA_Logger *logger) {
    Policy_Context_Basic256Sha256 *context = (Policy_Context_Basic256Sha256 *)
        UA_malloc(sizeof(Policy_Context_Basic256Sha256));
    if(context == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    context->localPrivateKey = UA_OpenSSL_LoadPrivateKey(&localPrivateKey);

    if(!context->localPrivateKey) {
        UA_free(context);
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval =
        UA_Openssl_X509_GetCertificateThumbprint(&securityPolicy->localCertificate,
                                                 &context->localCertThumbprint, true);
    if(retval != UA_STATUSCODE_GOOD) {
        EVP_PKEY_free(context->localPrivateKey);
        UA_free(context);
        return retval; 
    }

    context->logger = logger;
    securityPolicy->policyContext = context;
    return UA_STATUSCODE_GOOD;
}

/* Clear the policy context */
static void
UA_Policy_Clear_Context(UA_SecurityPolicy *policy) {
    if(policy == NULL)
        return;

    UA_ByteString_clear(&policy->localCertificate);

    /* Delete all allocated members in the context */
    Policy_Context_Basic256Sha256 *pc =
        (Policy_Context_Basic256Sha256 *) policy->policyContext;
    EVP_PKEY_free(pc->localPrivateKey);
    UA_ByteString_clear(&pc->localCertThumbprint);
    UA_free(pc);        
    return;
}

/* create the channel context */

static UA_StatusCode 
UA_ChannelModule_New_Context(const UA_SecurityPolicy * securityPolicy,
                             const UA_ByteString * remoteCertificate,
                             void ** channelContext) {
    if(securityPolicy == NULL || remoteCertificate == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;                                  

    Channel_Context_Basic256Sha256 *context = (Channel_Context_Basic256Sha256 *)
        UA_malloc(sizeof(Channel_Context_Basic256Sha256));
    if(context == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    UA_ByteString_init(&context->localSymSigningKey);
    UA_ByteString_init(&context->localSymEncryptingKey);
    UA_ByteString_init(&context->localSymIv);
    UA_ByteString_init(&context->remoteSymSigningKey);
    UA_ByteString_init(&context->remoteSymEncryptingKey);
    UA_ByteString_init(&context->remoteSymIv);

    UA_StatusCode retval =
        UA_copyCertificate(&context->remoteCertificate, remoteCertificate);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(context);
        return retval;
    }

    /* decode to X509 */
    context->remoteCertificateX509 = UA_OpenSSL_LoadCertificate(&context->remoteCertificate);
    if(context->remoteCertificateX509 == NULL) {
        UA_ByteString_clear(&context->remoteCertificate); 
        UA_free(context);
    }

    context->policyContext =
        (Policy_Context_Basic256Sha256 *)securityPolicy->policyContext;
    *channelContext = context;

    UA_LOG_INFO(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY, 
                "The basic256sha256 security policy channel with openssl is created.");

    return UA_STATUSCODE_GOOD;
}

/* delete the channel context */

static void 
UA_ChannelModule_Delete_Context(void * channelContext) {
    if(!channelContext)
        return;
    
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *)channelContext;
    X509_free(cc->remoteCertificateX509);                                           
    UA_ByteString_clear(&cc->remoteCertificate); 
    UA_ByteString_clear(&cc->localSymSigningKey);
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    UA_ByteString_clear(&cc->localSymIv);
    UA_ByteString_clear(&cc->remoteSymSigningKey);
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    UA_ByteString_clear(&cc->remoteSymIv);
    
    UA_LOG_INFO(cc->policyContext->logger, UA_LOGCATEGORY_SECURITYPOLICY, 
                "The basic256sha256 security policy channel with openssl is deleted.");   
    UA_free(cc);
}

/* Verifies the signature of the message using the provided keys in the context.
 * AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256 */
static UA_StatusCode 
UA_AsySig_Basic256Sha256_Verify(void *channelContext, 
                                const UA_ByteString *message,
                                const UA_ByteString *signature) {
    if(message == NULL || signature == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Channel_Context_Basic256Sha256 * cc =
        (Channel_Context_Basic256Sha256 *) channelContext;
    return UA_OpenSSL_RSA_PKCS1_V15_SHA256_Verify(message, cc->remoteCertificateX509,
                                                  signature);
}

/* Compares the supplied certificate with the certificate 
 * in the endpoint context 
 */

static UA_StatusCode
UA_compareCertificateThumbprint(const UA_SecurityPolicy * securityPolicy,
                                const UA_ByteString * certificateThumbprint) {
    if(securityPolicy == NULL || certificateThumbprint == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    Policy_Context_Basic256Sha256 *pc = (Policy_Context_Basic256Sha256 *)
                                        securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint))
        return UA_STATUSCODE_BADCERTIFICATEINVALID;
    return UA_STATUSCODE_GOOD;
}

/* Generates a thumbprint for the specified certificate */

static UA_StatusCode 
UA_makeCertificateThumbprint(const UA_SecurityPolicy * securityPolicy,
                             const UA_ByteString * certificate,
                             UA_ByteString * thumbprint) {
    return UA_Openssl_X509_GetCertificateThumbprint(certificate, thumbprint, false); 
}

static UA_StatusCode 
UA_Asym_Basic256Sha256_Decrypt(void * channelContext, UA_ByteString * data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    Channel_Context_Basic256Sha256 * cc =
        (Channel_Context_Basic256Sha256 *) channelContext;
    return UA_Openssl_RSA_Oaep_Decrypt(data, cc->policyContext->localPrivateKey);
}

static size_t
UA_Asym_Basic256Sha256_getRemoteSignatureSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Basic256Sha256 * cc =
        (const Channel_Context_Basic256Sha256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen; 
}

static size_t 
UA_AsySig_Basic256Sha256_getLocalSignatureSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Basic256Sha256 *cc =
        (const Channel_Context_Basic256Sha256 *) channelContext;
    Policy_Context_Basic256Sha256 * pc = cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength(pc->localPrivateKey, &keyLen);
    return (size_t) keyLen; 
}

static size_t
UA_AsymEn_Basic256Sha256_getRemotePlainTextBlockSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Basic256Sha256 *cc =
        (const Channel_Context_Basic256Sha256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen - UA_SECURITYPOLICY_BASIC256SHA256_RSAPADDING_LEN;
}

static size_t 
UA_AsymEn_Basic256Sha256_getRemoteBlockSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Basic256Sha256 * cc =
        (const Channel_Context_Basic256Sha256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen;
}

static size_t
UA_AsymEn_Basic256Sha256_getRemoteKeyLength(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Basic256Sha256 *cc =
        (const Channel_Context_Basic256Sha256 *) channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t) keyLen * 8;
}

static UA_StatusCode
UA_Sym_Basic256Sha256_generateNonce(void *policyContext,
                                    UA_ByteString *out) {
    UA_Int32 rc = RAND_bytes(out->data, (int) out->length);
    if(rc != 1)
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    return UA_STATUSCODE_GOOD;                                         
}

static size_t 
UA_SymEn_Basic256Sha256_getLocalKeyLength(const void *channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_KEY_LENGTH; 
}

static size_t 
UA_SymSig_Basic256Sha256_getLocalKeyLength(const void *channelContext) {
    /* 32 bytes 256 bits */                                                
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_SIGNING_KEY_LENGTH; 
}

static UA_StatusCode
UA_Sym_Basic256Sha256_generateKey(void *policyContext,
                                  const UA_ByteString *secret,
                                  const UA_ByteString *seed,
                                  UA_ByteString *out) {
    return UA_Openssl_Random_Key_PSHA256_Derive(secret, seed, out);
}

static UA_StatusCode
UA_ChannelModule_Basic256Sha256_setLocalSymSigningKey(void * channelContext,
                                                      const UA_ByteString * key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}

static UA_StatusCode
UA_ChannelM_Basic256Sha256_setLocalSymEncryptingKey(void * channelContext,
                                                    const UA_ByteString * key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelM_Basic256Sha256_setLocalSymIv(void * channelContext,
                                         const UA_ByteString * iv) {
    if(iv == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static size_t
UA_SymEn_Basic256Sha256_getRemoteKeyLength(const void * channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_KEY_LENGTH; 
}

static size_t
UA_SymEn_Basic256Sha256_getBlockSize(const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
UA_SymSig_Basic256Sha256_getRemoteKeyLength(const void * channelContext) {
    /* 32 bytes 256 bits */                                                
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_SIGNING_KEY_LENGTH;
}

static UA_StatusCode
UA_ChannelM_Basic256Sha256_setRemoteSymSigningKey(void *channelContext,
                                                  const UA_ByteString * key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
UA_ChannelM_Basic256Sha256_setRemoteSymEncryptingKey(void *channelContext,
                                                     const UA_ByteString * key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelM_Basic256Sha256_setRemoteSymIv(void *channelContext,
                                          const UA_ByteString * key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(key, &cc->remoteSymIv);
}

static UA_StatusCode
UA_AsySig_Basic256Sha256_sign(void *channelContext, const UA_ByteString * message,
                              UA_ByteString *signature) {
    if(channelContext == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR; 
    Channel_Context_Basic256Sha256 *cc = (Channel_Context_Basic256Sha256 *) channelContext;
    Policy_Context_Basic256Sha256 *pc = cc->policyContext;
    return UA_Openssl_RSA_PKCS1_V15_SHA256_Sign(message, pc->localPrivateKey, signature);
}

static UA_StatusCode
UA_AsymEn_Basic256Sha256_encrypt(void *channelContext, UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR; 
    Channel_Context_Basic256Sha256 * cc =
        (Channel_Context_Basic256Sha256 *) channelContext;    
    return UA_Openssl_RSA_OAEP_Encrypt(data, UA_SECURITYPOLICY_BASIC256SHA256_RSAPADDING_LEN,
                                       cc->remoteCertificateX509);
}

static size_t
UA_SymSig_Basic256Sha256_getRemoteSignatureSize(const void *channelContext) {
    return UA_SHA256_LENGTH;
}

static UA_StatusCode
UA_SymSig_Basic256Sha256_verify(void *channelContext, const UA_ByteString *message,
                                const UA_ByteString *signature) {
    if(channelContext == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    return UA_OpenSSL_HMAC_SHA256_Verify(message, &cc->remoteSymSigningKey, signature);   
}

static UA_StatusCode 
UA_SymSig_Basic256Sha256_sign(void *channelContext, const UA_ByteString *message,
                              UA_ByteString *signature) {
    if(channelContext == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    return UA_OpenSSL_HMAC_SHA256_Sign(message, &cc->localSymSigningKey, signature);
}

static size_t
UA_SymSig_Basic256Sha256_getLocalSignatureSize(const void * channelContext) {
    return UA_SHA256_LENGTH;
}

static UA_StatusCode
UA_SymEn_Basic256Sha256_decrypt(void *channelContext, UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    return UA_OpenSSL_AES_256_CBC_Decrypt(&cc->remoteSymIv,
                                          &cc->remoteSymEncryptingKey, data);
}

static UA_StatusCode
UA_SymEn_Basic256Sha256_encrypt(void *channelContext, UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    
    Channel_Context_Basic256Sha256 * cc = (Channel_Context_Basic256Sha256 *) channelContext;
    return UA_OpenSSL_AES_256_CBC_Encrypt(&cc->localSymIv, &cc->localSymEncryptingKey, data);
}

static UA_StatusCode
UA_ChannelM_Basic256Sha256_compareCertificate(const void *channelContext,
                                              const UA_ByteString *certificate) {
    if(channelContext == NULL || certificate == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    
    const Channel_Context_Basic256Sha256 * cc =
        (const Channel_Context_Basic256Sha256 *) channelContext;
    return UA_OpenSSL_X509_compare(certificate, cc->remoteCertificateX509);
}

static size_t 
UA_AsymEn_Basic256Sha256_getLocalKeyLength(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Basic256Sha256 * cc =
        (const Channel_Context_Basic256Sha256 *) channelContext;
    Policy_Context_Basic256Sha256 *pc = cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength(pc->localPrivateKey, &keyLen);
    return (size_t) keyLen * 8; 
}

/* the main entry of Basic256Sha256 */

UA_StatusCode
UA_SecurityPolicy_Basic256Sha256(UA_SecurityPolicy *policy,
                                 const UA_ByteString localCertificate,
                                 const UA_ByteString localPrivateKey, 
                                 const UA_Logger *logger) {
    UA_SecurityPolicyAsymmetricModule *asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule *symmetricModule = &policy->symmetricModule;
    UA_SecurityPolicyChannelModule *channelModule = &policy->channelModule; 
    UA_LOG_INFO(logger, UA_LOGCATEGORY_SECURITYPOLICY, 
                "The basic256sha256 security policy with openssl is added.");

    UA_Openssl_Init();
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;
    policy->policyUri =
        UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Basic256Sha256\0");

    /* Set ChannelModule context  */
    channelModule->newContext = UA_ChannelModule_New_Context;
    channelModule->deleteContext = UA_ChannelModule_Delete_Context;
    channelModule->setLocalSymSigningKey =
        UA_ChannelModule_Basic256Sha256_setLocalSymSigningKey;
    channelModule->setLocalSymEncryptingKey =
        UA_ChannelM_Basic256Sha256_setLocalSymEncryptingKey;
    channelModule->setLocalSymIv = UA_ChannelM_Basic256Sha256_setLocalSymIv;
    channelModule->setRemoteSymSigningKey =
        UA_ChannelM_Basic256Sha256_setRemoteSymSigningKey;
    channelModule->setRemoteSymEncryptingKey =
        UA_ChannelM_Basic256Sha256_setRemoteSymEncryptingKey;
    channelModule->setRemoteSymIv = UA_ChannelM_Basic256Sha256_setRemoteSymIv;
    channelModule->compareCertificate = UA_ChannelM_Basic256Sha256_compareCertificate;
    UA_StatusCode retval =
        UA_OpenSSL_LoadLocalCertificate(&localCertificate, &policy->localCertificate);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* AsymmetricModule - signature algorithm */
    UA_SecurityPolicySignatureAlgorithm *asySigAlgorithm =
        &asymmetricModule->cryptoModule.signatureAlgorithm;
    asySigAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmldsig-more#rsa-sha256\0");
    asySigAlgorithm->verify = UA_AsySig_Basic256Sha256_Verify;
    asySigAlgorithm->sign = UA_AsySig_Basic256Sha256_sign;
    asySigAlgorithm->getLocalSignatureSize = UA_AsySig_Basic256Sha256_getLocalSignatureSize;
    asySigAlgorithm->getRemoteSignatureSize = UA_Asym_Basic256Sha256_getRemoteSignatureSize;
    asySigAlgorithm->getLocalKeyLength = NULL;
    asySigAlgorithm->getRemoteKeyLength = NULL;

    /* AsymmetricModule encryption algorithm */
    UA_SecurityPolicyEncryptionAlgorithm *asymEncryAlg =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asymEncryAlg->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-oaep\0");
    asymEncryAlg->encrypt = UA_AsymEn_Basic256Sha256_encrypt;
    asymEncryAlg->decrypt = UA_Asym_Basic256Sha256_Decrypt;
    asymEncryAlg->getLocalKeyLength = UA_AsymEn_Basic256Sha256_getLocalKeyLength;
    asymEncryAlg->getRemoteKeyLength = UA_AsymEn_Basic256Sha256_getRemoteKeyLength;
    asymEncryAlg->getRemoteBlockSize = UA_AsymEn_Basic256Sha256_getRemoteBlockSize;
    asymEncryAlg->getRemotePlainTextBlockSize = 
            UA_AsymEn_Basic256Sha256_getRemotePlainTextBlockSize;

    /* AsymmetricModule */
    asymmetricModule->compareCertificateThumbprint = UA_compareCertificateThumbprint;
    asymmetricModule->makeCertificateThumbprint = UA_makeCertificateThumbprint;

    /* SymmetricModule */
    symmetricModule->secureChannelNonceLength = 32;
    symmetricModule->generateNonce = UA_Sym_Basic256Sha256_generateNonce;
    symmetricModule->generateKey = UA_Sym_Basic256Sha256_generateKey;

    /* Symmetric encryption Algorithm */
    UA_SecurityPolicyEncryptionAlgorithm *symEncryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    symEncryptionAlgorithm->uri =
        UA_STRING("http://www.w3.org/2001/04/xmlenc#aes256-cbc\0");        
    symEncryptionAlgorithm->encrypt = UA_SymEn_Basic256Sha256_encrypt;
    symEncryptionAlgorithm->decrypt = UA_SymEn_Basic256Sha256_decrypt;
    symEncryptionAlgorithm->getLocalKeyLength = UA_SymEn_Basic256Sha256_getLocalKeyLength;
    symEncryptionAlgorithm->getRemoteKeyLength = UA_SymEn_Basic256Sha256_getRemoteKeyLength;
    symEncryptionAlgorithm->getRemoteBlockSize = UA_SymEn_Basic256Sha256_getBlockSize;
    symEncryptionAlgorithm->getRemotePlainTextBlockSize = UA_SymEn_Basic256Sha256_getBlockSize;

    /* Symmetric signature Algorithm */
    UA_SecurityPolicySignatureAlgorithm *symSignatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    symSignatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha2-256\0");
    symSignatureAlgorithm->verify = UA_SymSig_Basic256Sha256_verify;
    symSignatureAlgorithm->sign = UA_SymSig_Basic256Sha256_sign;
    symSignatureAlgorithm->getLocalSignatureSize =
        UA_SymSig_Basic256Sha256_getLocalSignatureSize;
    symSignatureAlgorithm->getRemoteSignatureSize = 
        UA_SymSig_Basic256Sha256_getRemoteSignatureSize;
    symSignatureAlgorithm->getLocalKeyLength =
        UA_SymSig_Basic256Sha256_getLocalKeyLength;
    symSignatureAlgorithm->getRemoteKeyLength =
        UA_SymSig_Basic256Sha256_getRemoteKeyLength;

    policy->clear = UA_Policy_Clear_Context;
    retval = UA_Policy_New_Context(policy, localPrivateKey, logger);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ByteString_clear(&policy->localCertificate);
        return retval;
    }

    /* Use the same signature algorithm as the asymmetric component for
     * certificate signing (see standard) */
    policy->certificateSigningAlgorithm =
        policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    return UA_STATUSCODE_GOOD;
}

#endif

/**** amalgamated original file "/plugins/crypto/openssl/ua_openssl_aes128sha256rsaoaep.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2020 (c) Wind River Systems, Inc.
 */


#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)


#include <openssl/hmac.h>
#include <openssl/sha.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>

#define UA_SHA256_LENGTH 32 /* 256 bit */
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_RSAPADDING_LEN 42
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_SIGNING_KEY_LENGTH 32
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_KEY_LENGTH 16
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_PLAIN_TEXT_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MINASYMKEYLENGTH 256
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MAXASYMKEYLENGTH 512

typedef struct {
    EVP_PKEY *localPrivateKey;
    UA_ByteString localCertThumbprint;
    const UA_Logger *logger;
} Policy_Context_Aes128Sha256RsaOaep;

typedef struct {
    UA_ByteString localSymSigningKey;
    UA_ByteString localSymEncryptingKey;
    UA_ByteString localSymIv;
    UA_ByteString remoteSymSigningKey;
    UA_ByteString remoteSymEncryptingKey;
    UA_ByteString remoteSymIv;

    Policy_Context_Aes128Sha256RsaOaep *policyContext;
    UA_ByteString remoteCertificate;
    X509 *remoteCertificateX509; /* X509 */
} Channel_Context_Aes128Sha256RsaOaep;

/* create the policy context */

static UA_StatusCode
UA_Policy_Aes128Sha256RsaOaep_New_Context(UA_SecurityPolicy *securityPolicy,
                                          const UA_ByteString localPrivateKey,
                                          const UA_Logger *logger) {
    Policy_Context_Aes128Sha256RsaOaep *context =
        (Policy_Context_Aes128Sha256RsaOaep *)UA_malloc(
            sizeof(Policy_Context_Aes128Sha256RsaOaep));
    if(context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    context->localPrivateKey = UA_OpenSSL_LoadPrivateKey(&localPrivateKey);
    if (!context->localPrivateKey) {
        UA_free(context);
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    UA_StatusCode retval = UA_Openssl_X509_GetCertificateThumbprint(
        &securityPolicy->localCertificate, &context->localCertThumbprint, true);
    if(retval != UA_STATUSCODE_GOOD) {
        EVP_PKEY_free(context->localPrivateKey);
        UA_free(context);
        return retval;
    }

    context->logger = logger;
    securityPolicy->policyContext = context;

    return UA_STATUSCODE_GOOD;
}

/* clear the policy context */

static void
UA_Policy_Aes128Sha256RsaOaep_Clear_Context(UA_SecurityPolicy *policy) {
    if(policy == NULL)
        return;

    UA_ByteString_clear(&policy->localCertificate);

    /* delete all allocated members in the context */

    Policy_Context_Aes128Sha256RsaOaep *pc =
        (Policy_Context_Aes128Sha256RsaOaep *)policy->policyContext;
    if (pc == NULL) {
        return; 
    }

    EVP_PKEY_free(pc->localPrivateKey);
    UA_ByteString_clear(&pc->localCertThumbprint);
    UA_free(pc);

    return;
}

/* create the channel context */

static UA_StatusCode
UA_ChannelModule_Aes128Sha256RsaOaep_New_Context(const UA_SecurityPolicy *securityPolicy,
                                                 const UA_ByteString *remoteCertificate,
                                                 void **channelContext) {
    if(securityPolicy == NULL || remoteCertificate == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    Channel_Context_Aes128Sha256RsaOaep *context =
        (Channel_Context_Aes128Sha256RsaOaep *)UA_malloc(
            sizeof(Channel_Context_Aes128Sha256RsaOaep));
    if(context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_ByteString_init(&context->localSymSigningKey);
    UA_ByteString_init(&context->localSymEncryptingKey);
    UA_ByteString_init(&context->localSymIv);
    UA_ByteString_init(&context->remoteSymSigningKey);
    UA_ByteString_init(&context->remoteSymEncryptingKey);
    UA_ByteString_init(&context->remoteSymIv);

    UA_StatusCode retval =
        UA_copyCertificate(&context->remoteCertificate, remoteCertificate);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(context);
        return retval;
    }

    /* decode to X509 */
    context->remoteCertificateX509 = UA_OpenSSL_LoadCertificate(&context->remoteCertificate);
    if (context->remoteCertificateX509 == NULL) {
        UA_ByteString_clear (&context->remoteCertificate);
        UA_free (context);
        return UA_STATUSCODE_BADCERTIFICATECHAININCOMPLETE;
    }

    context->policyContext =
        (Policy_Context_Aes128Sha256RsaOaep *)(securityPolicy->policyContext);

    *channelContext = context;

    UA_LOG_INFO(
        securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
        "The Aes128Sha256RsaOaep security policy channel with openssl is created.");

    return UA_STATUSCODE_GOOD;
}

/* delete the channel context */

static void
UA_ChannelModule_Aes128Sha256RsaOaep_Delete_Context(void *channelContext) {
    if(channelContext != NULL) {
        Channel_Context_Aes128Sha256RsaOaep *cc =
            (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
        X509_free(cc->remoteCertificateX509);
        UA_ByteString_clear(&cc->remoteCertificate);
        UA_ByteString_clear(&cc->localSymSigningKey);
        UA_ByteString_clear(&cc->localSymEncryptingKey);
        UA_ByteString_clear(&cc->localSymIv);
        UA_ByteString_clear(&cc->remoteSymSigningKey);
        UA_ByteString_clear(&cc->remoteSymEncryptingKey);
        UA_ByteString_clear(&cc->remoteSymIv);

        UA_LOG_INFO(
            cc->policyContext->logger, UA_LOGCATEGORY_SECURITYPOLICY,
            "The Aes128Sha256RsaOaep security policy channel with openssl is deleted.");
        UA_free(cc);
    }
}

/* Verifies the signature of the message using the provided keys in the context.
 * AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256
 */

static UA_StatusCode
UA_AsySig_Aes128Sha256RsaOaep_Verify(void *channelContext, const UA_ByteString *message,
                                     const UA_ByteString *signature) {
    if(message == NULL || signature == NULL || channelContext == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_StatusCode retval = UA_OpenSSL_RSA_PKCS1_V15_SHA256_Verify(
        message, cc->remoteCertificateX509, signature);

    return retval;
}

/* Compares the supplied certificate with the certificate
 * in the endpoint context
 */

static UA_StatusCode
UA_compareCertificateThumbprint_Aes128Sha256RsaOaep(const UA_SecurityPolicy *securityPolicy,
                                                    const UA_ByteString *certificateThumbprint) {
    if(securityPolicy == NULL || certificateThumbprint == NULL) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    Policy_Context_Aes128Sha256RsaOaep *pc =
        (Policy_Context_Aes128Sha256RsaOaep *)securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint))
        return UA_STATUSCODE_BADCERTIFICATEINVALID;
    return UA_STATUSCODE_GOOD;
}

/* Generates a thumbprint for the specified certificate */

static UA_StatusCode
UA_makeCertificateThumbprint_Aes128Sha256RsaOaep(const UA_SecurityPolicy *securityPolicy,
                                                 const UA_ByteString *certificate,
                                                 UA_ByteString *thumbprint) {
    return UA_Openssl_X509_GetCertificateThumbprint(certificate, thumbprint, false);
}

static UA_StatusCode
UA_Asym_Aes128Sha256RsaOaep_Decrypt(void *channelContext, UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    Channel_Context_Aes128Sha256RsaOaep *cc = (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_StatusCode ret = UA_Openssl_RSA_Oaep_Decrypt(data, cc->policyContext->localPrivateKey);
    return ret;
}

static size_t
UA_Asym_Aes128Sha256RsaOaep_getRemoteSignatureSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Aes128Sha256RsaOaep *cc = (const Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t)keyLen;
}

static size_t
UA_AsySig_Aes128Sha256RsaOaep_getLocalSignatureSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Aes128Sha256RsaOaep *cc = (const Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    Policy_Context_Aes128Sha256RsaOaep *pc = cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength(pc->localPrivateKey, &keyLen);
    return (size_t)keyLen;
}

static size_t
UA_AsymEn_Aes128Sha256RsaOaep_getRemotePlainTextBlockSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Aes128Sha256RsaOaep *cc =
        (const Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t)keyLen - UA_SECURITYPOLICY_AES128SHA256RSAOAEP_RSAPADDING_LEN;
}

static size_t
UA_AsymEn_Aes128Sha256RsaOaep_getRemoteBlockSize(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Aes128Sha256RsaOaep *cc =
        (const Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t)keyLen;
}

static size_t
UA_AsymEn_Aes128Sha256RsaOaep_getRemoteKeyLength(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Aes128Sha256RsaOaep *cc =
        (const Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Public_GetKeyLength(cc->remoteCertificateX509, &keyLen);
    return (size_t)keyLen * 8;
}

static UA_StatusCode
UA_Sym_Aes128Sha256RsaOaep_generateNonce(void *policyContext,
                                         UA_ByteString *out) {
    UA_Int32 rc = RAND_bytes(out->data, (int)out->length);
    if(rc != 1) {
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }
    return UA_STATUSCODE_GOOD;
}

static size_t
UA_SymEn_Aes128Sha256RsaOaep_getLocalKeyLength(const void *channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_KEY_LENGTH;
}

static size_t
UA_SymSig_Aes128Sha256RsaOaep_getLocalKeyLength(const void *channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_SIGNING_KEY_LENGTH;
}

static UA_StatusCode
UA_Sym_Aes128Sha256RsaOaep_generateKey(void *policyContext,
                                       const UA_ByteString *secret,
                                       const UA_ByteString *seed, UA_ByteString *out) {
    return UA_Openssl_Random_Key_PSHA256_Derive(secret, seed, out);
}

static UA_StatusCode
UA_ChannelModule_Aes128Sha256RsaOaep_setLocalSymSigningKey(void *channelContext,
                                                           const UA_ByteString *key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}

static UA_StatusCode
UA_ChannelM_Aes128Sha256RsaOaep_setLocalSymEncryptingKey(void *channelContext,
                                                         const UA_ByteString *key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelM_Aes128Sha256RsaOaep_setLocalSymIv(void *channelContext,
                                              const UA_ByteString *iv) {
    if(iv == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static size_t
UA_SymEn_Aes128Sha256RsaOaep_getRemoteKeyLength(const void *channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_KEY_LENGTH;
}

static size_t
UA_SymEn_Aes128Sha256RsaOaep_getBlockSize(const void *channelContext) {
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
UA_SymSig_Aes128Sha256RsaOaep_getRemoteKeyLength(const void *channelContext) {
    /* 32 bytes 256 bits */
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_SIGNING_KEY_LENGTH;
}

static UA_StatusCode
UA_ChannelM_Aes128Sha256RsaOaep_setRemoteSymSigningKey(void *channelContext,
                                                       const UA_ByteString *key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
UA_ChannelM_Aes128Sha256RsaOaep_setRemoteSymEncryptingKey(void *channelContext,
                                                          const UA_ByteString *key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
UA_ChannelM_Aes128Sha256RsaOaep_setRemoteSymIv(void *channelContext,
                                               const UA_ByteString *key) {
    if(key == NULL || channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc = (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(key, &cc->remoteSymIv);
}

static UA_StatusCode
UA_AsySig_Aes128Sha256RsaOaep_sign(void *channelContext, const UA_ByteString *message,
                                   UA_ByteString *signature) {
    if(channelContext == NULL || message == NULL ||
       signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc = (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    Policy_Context_Aes128Sha256RsaOaep *pc = cc->policyContext;
    return UA_Openssl_RSA_PKCS1_V15_SHA256_Sign(message, pc->localPrivateKey, signature);
}

static UA_StatusCode
UA_AsymEn_Aes128Sha256RsaOaep_encrypt(void *channelContext, UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    return UA_Openssl_RSA_OAEP_Encrypt(
        data, UA_SECURITYPOLICY_AES128SHA256RSAOAEP_RSAPADDING_LEN,
        cc->remoteCertificateX509);
}

static size_t
UA_SymSig_Aes128Sha256RsaOaep_getRemoteSignatureSize(const void *channelContext) {
    return UA_SHA256_LENGTH;
}

static UA_StatusCode
UA_SymSig_Aes128Sha256RsaOaep_verify(void *channelContext, const UA_ByteString *message,
                                     const UA_ByteString *signature) {
    if(channelContext == NULL || message == NULL ||
       signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    return UA_OpenSSL_HMAC_SHA256_Verify(message, &cc->remoteSymSigningKey, signature);
}

static UA_StatusCode
UA_SymSig_Aes128Sha256RsaOaep_sign(void *channelContext, const UA_ByteString *message,
                                   UA_ByteString *signature) {
    if(channelContext == NULL || message == NULL ||
       signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    return UA_OpenSSL_HMAC_SHA256_Sign(message, &cc->localSymSigningKey, signature);
}

static size_t
UA_SymSig_Aes128Sha256RsaOaep_getLocalSignatureSize(const void *channelContext) {
    return UA_SHA256_LENGTH;
}

static UA_StatusCode
UA_SymEn_Aes128Sha256RsaOaep_decrypt(void *channelContext, UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    return UA_OpenSSL_AES_128_CBC_Decrypt(&cc->remoteSymIv, &cc->remoteSymEncryptingKey,
                                          data);
}

static UA_StatusCode
UA_SymEn_Aes128Sha256RsaOaep_encrypt(void *channelContext, UA_ByteString *data) {
    if(channelContext == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Channel_Context_Aes128Sha256RsaOaep *cc =
        (Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    return UA_OpenSSL_AES_128_CBC_Encrypt(&cc->localSymIv, &cc->localSymEncryptingKey,
                                          data);
}

static UA_StatusCode
UA_ChannelM_Aes128Sha256RsaOaep_compareCertificate(const void *channelContext,
                                                   const UA_ByteString *certificate) {
    if(channelContext == NULL || certificate == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Aes128Sha256RsaOaep *cc = (const Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    return UA_OpenSSL_X509_compare(certificate, cc->remoteCertificateX509);
}

static size_t
UA_AsymEn_Aes128Sha256RsaOaep_getLocalKeyLength(const void *channelContext) {
    if(channelContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const Channel_Context_Aes128Sha256RsaOaep *cc = (const Channel_Context_Aes128Sha256RsaOaep *)channelContext;
    Policy_Context_Aes128Sha256RsaOaep *pc = cc->policyContext;
    UA_Int32 keyLen = 0;
    UA_Openssl_RSA_Private_GetKeyLength(pc->localPrivateKey, &keyLen);
    return (size_t)keyLen * 8;
}

/* the main entry of Aes128Sha256RsaOaep */

UA_StatusCode
UA_SecurityPolicy_Aes128Sha256RsaOaep(UA_SecurityPolicy *policy,
                                      const UA_ByteString localCertificate,
                                      const UA_ByteString localPrivateKey,
                                      const UA_Logger *logger) {

    UA_SecurityPolicyAsymmetricModule *const asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule *const symmetricModule = &policy->symmetricModule;
    UA_SecurityPolicyChannelModule *const channelModule = &policy->channelModule;
    UA_StatusCode retval;

    UA_LOG_INFO(logger, UA_LOGCATEGORY_SECURITYPOLICY,
                "The Aes128Sha256RsaOaep security policy with openssl is added.");

    UA_Openssl_Init();
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;
    policy->policyUri =
        UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Aes128_Sha256_RsaOaep\0");

    /* set ChannelModule context  */

    channelModule->newContext = UA_ChannelModule_Aes128Sha256RsaOaep_New_Context;
    channelModule->deleteContext = UA_ChannelModule_Aes128Sha256RsaOaep_Delete_Context;
    channelModule->setLocalSymSigningKey =
        UA_ChannelModule_Aes128Sha256RsaOaep_setLocalSymSigningKey;
    channelModule->setLocalSymEncryptingKey =
        UA_ChannelM_Aes128Sha256RsaOaep_setLocalSymEncryptingKey;
    channelModule->setLocalSymIv = UA_ChannelM_Aes128Sha256RsaOaep_setLocalSymIv;
    channelModule->setRemoteSymSigningKey =
        UA_ChannelM_Aes128Sha256RsaOaep_setRemoteSymSigningKey;
    channelModule->setRemoteSymEncryptingKey =
        UA_ChannelM_Aes128Sha256RsaOaep_setRemoteSymEncryptingKey;
    channelModule->setRemoteSymIv = UA_ChannelM_Aes128Sha256RsaOaep_setRemoteSymIv;
    channelModule->compareCertificate =
        UA_ChannelM_Aes128Sha256RsaOaep_compareCertificate;

    /* Copy the certificate and add a NULL to the end */

    retval = UA_copyCertificate(&policy->localCertificate, &localCertificate);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* AsymmetricModule - signature algorithm */

    UA_SecurityPolicySignatureAlgorithm *asySigAlgorithm =
        &asymmetricModule->cryptoModule.signatureAlgorithm;
    asySigAlgorithm->uri =
        UA_STRING("http://www.w3.org/2001/04/xmldsig-more#rsa-sha256\0");
    asySigAlgorithm->verify = UA_AsySig_Aes128Sha256RsaOaep_Verify;
    asySigAlgorithm->getRemoteSignatureSize =
        UA_Asym_Aes128Sha256RsaOaep_getRemoteSignatureSize;
    asySigAlgorithm->getLocalSignatureSize =
        UA_AsySig_Aes128Sha256RsaOaep_getLocalSignatureSize;
    asySigAlgorithm->sign = UA_AsySig_Aes128Sha256RsaOaep_sign;
    asySigAlgorithm->getLocalKeyLength = NULL;
    asySigAlgorithm->getRemoteKeyLength = NULL;

    /*  AsymmetricModule encryption algorithm */

    UA_SecurityPolicyEncryptionAlgorithm *asymEncryAlg =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asymEncryAlg->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-oaep\0");
    asymEncryAlg->decrypt = UA_Asym_Aes128Sha256RsaOaep_Decrypt;
    asymEncryAlg->getRemotePlainTextBlockSize =
        UA_AsymEn_Aes128Sha256RsaOaep_getRemotePlainTextBlockSize;
    asymEncryAlg->getRemoteBlockSize = UA_AsymEn_Aes128Sha256RsaOaep_getRemoteBlockSize;
    asymEncryAlg->getRemoteKeyLength = UA_AsymEn_Aes128Sha256RsaOaep_getRemoteKeyLength;
    asymEncryAlg->encrypt = UA_AsymEn_Aes128Sha256RsaOaep_encrypt;
    asymEncryAlg->getLocalKeyLength = UA_AsymEn_Aes128Sha256RsaOaep_getLocalKeyLength;

    /* asymmetricModule */

    asymmetricModule->compareCertificateThumbprint =
        UA_compareCertificateThumbprint_Aes128Sha256RsaOaep;
    asymmetricModule->makeCertificateThumbprint =
        UA_makeCertificateThumbprint_Aes128Sha256RsaOaep;

    /* SymmetricModule */

    symmetricModule->secureChannelNonceLength = 32;
    symmetricModule->generateNonce = UA_Sym_Aes128Sha256RsaOaep_generateNonce;
    symmetricModule->generateKey = UA_Sym_Aes128Sha256RsaOaep_generateKey;

    /* Symmetric encryption Algorithm */

    UA_SecurityPolicyEncryptionAlgorithm *symEncryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    symEncryptionAlgorithm->uri =
        UA_STRING("http://www.w3.org/2001/04/xmlenc#aes128-cbc\0");
    symEncryptionAlgorithm->getLocalKeyLength = UA_SymEn_Aes128Sha256RsaOaep_getLocalKeyLength;
    symEncryptionAlgorithm->getRemoteKeyLength = UA_SymEn_Aes128Sha256RsaOaep_getRemoteKeyLength;
    symEncryptionAlgorithm->getRemoteBlockSize = UA_SymEn_Aes128Sha256RsaOaep_getBlockSize;
    symEncryptionAlgorithm->getRemotePlainTextBlockSize = UA_SymEn_Aes128Sha256RsaOaep_getBlockSize;
    symEncryptionAlgorithm->decrypt = UA_SymEn_Aes128Sha256RsaOaep_decrypt;
    symEncryptionAlgorithm->encrypt = UA_SymEn_Aes128Sha256RsaOaep_encrypt;

    /* Symmetric signature Algorithm */

    UA_SecurityPolicySignatureAlgorithm *symSignatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    symSignatureAlgorithm->uri = UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha2-256\0");
    symSignatureAlgorithm->getLocalKeyLength = UA_SymSig_Aes128Sha256RsaOaep_getLocalKeyLength;
    symSignatureAlgorithm->getRemoteKeyLength = UA_SymSig_Aes128Sha256RsaOaep_getRemoteKeyLength;
    symSignatureAlgorithm->getRemoteSignatureSize = UA_SymSig_Aes128Sha256RsaOaep_getRemoteSignatureSize;
    symSignatureAlgorithm->verify = UA_SymSig_Aes128Sha256RsaOaep_verify;
    symSignatureAlgorithm->sign = UA_SymSig_Aes128Sha256RsaOaep_sign;
    symSignatureAlgorithm->getLocalSignatureSize = UA_SymSig_Aes128Sha256RsaOaep_getLocalSignatureSize;

    retval = UA_Policy_Aes128Sha256RsaOaep_New_Context(policy, localPrivateKey, logger);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ByteString_clear(&policy->localCertificate);
        return retval;
    }
    policy->clear = UA_Policy_Aes128Sha256RsaOaep_Clear_Context;

    /* Use the same signature algorithm as the asymmetric component for
       certificate signing (see standard) */

    policy->certificateSigningAlgorithm =
        policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    return UA_STATUSCODE_GOOD;
}

#endif

/**** amalgamated original file "/plugins/crypto/openssl/ua_openssl_create_certificate.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2021 (c) Christian von Arnim, ISW University of Stuttgart (for VDW and umati)
 *    Copyright 2022 (c) Wind River Systems, Inc.
 *
 */



#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)


#include <openssl/pem.h>
#include <openssl/x509v3.h>

/**
 * Join an array of UA_String to a single NULL-Terminated UA_String
 * separated by character sep
 */
static UA_StatusCode
join_string_with_sep(const UA_String *strings, size_t stringsSize,
                     char sep, UA_String *out) {
    if(!out)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_String_clear(out);
    size_t totalSize = stringsSize;
    for(size_t iStr = 0; iStr < stringsSize; ++iStr) {
        totalSize += strings[iStr].length;
    }

    UA_ByteString_allocBuffer(out, totalSize);
    if(!out->data) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    size_t pos = 0;
    for(size_t iStr = 0; iStr < stringsSize; ++iStr) {
        memcpy(&out->data[pos], strings[iStr].data, strings[iStr].length);
        pos += strings[iStr].length;
        out->data[pos] = (UA_Byte) sep;
        ++pos;
    }
    out->data[out->length-1] = 0;

    return UA_STATUSCODE_GOOD;
}

/**
 * Search for a character in a string (like strchr).
 * \todo Handle UTF-8
 *
 * \return index of the character or -1 on case of an error.
 */

static UA_Int32
UA_String_chr(const UA_String *pUaStr, char needl) {
    UA_Byte byteNeedl = (UA_Byte)needl;
    for(size_t i = 0; (size_t)i < pUaStr->length; ++i) {
        if(pUaStr->data[i] == byteNeedl) {
            return (UA_Int32) i;
        }
    }
    return -1;
}

static UA_StatusCode
add_x509V3ext(X509 *x509, int nid, const char *value) {
    X509_EXTENSION *ex;
    X509V3_CTX ctx;
    X509V3_set_ctx_nodb(&ctx);
    X509V3_set_ctx(&ctx, x509, x509, NULL, NULL, 0);
    ex = X509V3_EXT_conf_nid(NULL, &ctx, nid, value);
    if(!ex)
        return UA_STATUSCODE_BADINTERNALERROR;
    X509_add_ext(x509, ex, -1);
    X509_EXTENSION_free(ex);
    return UA_STATUSCODE_GOOD;
}

#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)

/* generate the RSA key */

static EVP_PKEY * UA_RSA_Generate_Key (size_t keySizeBits){
    return EVP_RSA_gen(keySizeBits);
}

#endif

UA_StatusCode
UA_CreateCertificate(const UA_Logger *logger,
                     const UA_String *subject, size_t subjectSize,
                     const UA_String *subjectAltName, size_t subjectAltNameSize,
                     size_t keySizeBits, UA_CertificateFormat certFormat,
                     UA_ByteString *outPrivateKey, UA_ByteString *outCertificate) {
    if(!outPrivateKey || !outCertificate || !logger || !subjectAltName ||
       !subject || subjectAltNameSize == 0 || subjectSize == 0 ||
       (certFormat != UA_CERTIFICATEFORMAT_DER && certFormat != UA_CERTIFICATEFORMAT_PEM ))
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    /* Use the maximum size */
    if(keySizeBits == 0)
        keySizeBits = 4096;

    UA_ByteString_init(outPrivateKey);
    UA_ByteString_init(outCertificate);

    UA_String fullAltSubj = UA_STRING_NULL;
    UA_Int32 serial = 1;

    /** \TODO: Seed Random generator
    * See: (https://www.openssl.org/docs/man1.1.0/man3/RAND_add.html) */
    BIO *memCert = NULL;
    BIO *memPKey = NULL;

    UA_StatusCode errRet = UA_STATUSCODE_GOOD;

    X509 *x509 = X509_new();

#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
    EVP_PKEY *pkey = UA_RSA_Generate_Key(keySizeBits);
    if((pkey == NULL) || (x509 == NULL)) {
        errRet = UA_STATUSCODE_BADOUTOFMEMORY;
        goto cleanup;
    }    
#else
    BIGNUM *exponent = BN_new();
    EVP_PKEY *pkey = EVP_PKEY_new();
    RSA *rsa = RSA_new();
    if(!pkey || !x509 || !exponent || !rsa) {
        errRet = UA_STATUSCODE_BADOUTOFMEMORY;
        goto cleanup;
    }

    UA_LOG_INFO(logger, UA_LOGCATEGORY_SECURECHANNEL,
                "Create Certificate: Generating RSA key. This may take a while.");

    if(BN_set_word(exponent, RSA_F4) != 1) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting RSA exponent failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    if(RSA_generate_key_ex(rsa, (int) keySizeBits, exponent, NULL) != 1) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Generating RSA key failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    if(EVP_PKEY_assign_RSA(pkey, rsa) != 1) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Assign RSA key failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }
    /* rsa will be freed by pkey */
    rsa = NULL;

#endif  /* end of OPENSSL_VERSION_NUMBER >= 0x30000000L */

    /* x509v3 has version 2
     * (https://www.openssl.org/docs/man1.1.0/man3/X509_set_version.html) */
    if(X509_set_version(x509, 2) != 1) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting version failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    if(ASN1_INTEGER_set(X509_get_serialNumber(x509), serial) != 1) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting serial number failed.");
        /* Only memory errors are possible */
        errRet = UA_STATUSCODE_BADOUTOFMEMORY;
        goto cleanup;
    }

    if(X509_gmtime_adj(X509_get_notBefore(x509), 0) == NULL) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting 'not before' failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    if(X509_gmtime_adj(X509_get_notAfter(x509), (UA_Int64) 60 * 60 * 24 * 365) == NULL) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting 'not before' failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    if(X509_set_pubkey(x509, pkey) != 1) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting publik key failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    X509_NAME *name = X509_get_subject_name(x509);
    if(name == NULL) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Getting name failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    for(UA_UInt32 iSubject = 0; iSubject < subjectSize; ++iSubject) {
        UA_Int32 sep = UA_String_chr(&subject[iSubject], '=');
        char field[16];
        if(sep == -1 || sep == 0 || 
            ((size_t) sep == (subject[iSubject].length - 1)) || sep >= 15) {
            UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                         "Create Certificate: Subject must contain one '=' with "
                         "content before and after.");
            errRet = UA_STATUSCODE_BADINTERNALERROR;
            goto cleanup;
        }
        memcpy(field, subject[iSubject].data, (size_t) sep);
        field[sep] = 0;
        UA_Byte* pData = &subject[iSubject].data[sep + 1];
        if(X509_NAME_add_entry_by_txt(
               name, field, MBSTRING_ASC,
               (const unsigned char *)pData,
               (int) subject[iSubject].length - (int) sep - 1, -1, 0) != 1) {
            UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                         "Create Certificate: Setting subject failed.");
            errRet = UA_STATUSCODE_BADINTERNALERROR;
            goto cleanup;
        }
    }
    /* Self signed, so issuer == subject */
    if(X509_set_issuer_name(x509, name) != 1) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting name failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    errRet = add_x509V3ext(x509, NID_basic_constraints, "CA:FALSE");
    if(errRet != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting 'Basic Constraints' failed.");
        goto cleanup;
    }

    /* See https://datatracker.ietf.org/doc/html/rfc5280#section-4.2.1.3 for
     * possible values */
    errRet = add_x509V3ext(x509, NID_key_usage,
                           "digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment,keyCertSign");
    if(errRet != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting 'Key Usage' failed.");
        goto cleanup;
    }

    errRet = add_x509V3ext(x509, NID_ext_key_usage, "serverAuth,clientAuth");
    if(errRet != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting 'Extended Key Usage' failed.");
        goto cleanup;
    }

    errRet = add_x509V3ext(x509, NID_subject_key_identifier, "hash");
    if(errRet != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting 'Subject Key Identifier' failed.");
        goto cleanup;
    }

    errRet = join_string_with_sep(subjectAltName, subjectAltNameSize, ',', &fullAltSubj);
    if(errRet != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Joining altSubject failed.");
        goto cleanup;
    }

    errRet = add_x509V3ext(x509, NID_subject_alt_name, (const char*) fullAltSubj.data);
    if(errRet != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Setting 'Subject Alternative Name:' failed.");
        goto cleanup;
    }

    if(X509_sign(x509, pkey, EVP_sha256()) == 0) {
        UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                     "Create Certificate: Signing failed.");
        errRet = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }

    switch(certFormat) {
        case UA_CERTIFICATEFORMAT_DER: {
            int tmpLen = i2d_PrivateKey(pkey, &outPrivateKey->data);
            if(tmpLen <= 0) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Create private DER key failed.");
                errRet = UA_STATUSCODE_BADINTERNALERROR;
                goto cleanup;
            }
            outPrivateKey->length = (size_t) tmpLen;

            tmpLen = i2d_X509(x509, &outCertificate->data);
            if(tmpLen <= 0) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Create DER-certificate failed.");
                errRet = UA_STATUSCODE_BADINTERNALERROR;
                goto cleanup;
            }
            outCertificate->length = (size_t) tmpLen;
            break;
        }
        case UA_CERTIFICATEFORMAT_PEM: {
            /* Private Key */
            memPKey = BIO_new(BIO_s_mem());
            if(!memPKey) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Allocate Membuffer for PKey failed.");
                errRet = UA_STATUSCODE_BADOUTOFMEMORY;
                goto cleanup;
            }

            if(PEM_write_bio_PrivateKey(memPKey, pkey, NULL, NULL, 0, 0, NULL) != 1) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Generate PEM-PrivateKey failed.");
                errRet = UA_STATUSCODE_BADINTERNALERROR;
                goto cleanup;
            }

            UA_ByteString tmpPem = UA_BYTESTRING_NULL;
            tmpPem.length = (size_t) BIO_get_mem_data(memPKey, &tmpPem.data);
            errRet = UA_ByteString_copy(&tmpPem, outPrivateKey);
            if(errRet != UA_STATUSCODE_GOOD) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Copy PEM PKey failed.");
                goto cleanup;
            }

            /* Certificate */
            memCert = BIO_new(BIO_s_mem());
            if(!memCert) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Allocate Membuffer for Cert failed.");
                errRet = UA_STATUSCODE_BADOUTOFMEMORY;
                goto cleanup;
            }

            if(PEM_write_bio_X509(memCert, x509) != 1) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Generate PEM-Certifcate failed.");
                errRet = UA_STATUSCODE_BADINTERNALERROR;
                goto cleanup;
            }

            tmpPem.length = (size_t) BIO_get_mem_data(memCert, &tmpPem.data);
            errRet = UA_ByteString_copy(&tmpPem, outCertificate);
            if(errRet != UA_STATUSCODE_GOOD) {
                UA_LOG_ERROR(logger, UA_LOGCATEGORY_SECURECHANNEL,
                            "Create Certificate: Copy PEM Certificate failed.");
                goto cleanup;
            }
            break;
        }
    }

cleanup:
    UA_String_clear(&fullAltSubj);
#if (OPENSSL_VERSION_NUMBER < 0x30000000L)
    RSA_free(rsa);
    BN_free(exponent);    
#endif
    X509_free(x509);
    EVP_PKEY_free(pkey);
    BIO_free(memCert);
    BIO_free(memPKey);
    return errRet;
}

#endif

/**** amalgamated original file "/plugins/crypto/openssl/ua_pki_openssl.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH

 */



#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)
#include <openssl/x509.h>
#include <openssl/x509_vfy.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>


/* Find binary substring. Taken and adjusted from
 * http://tungchingkai.blogspot.com/2011/07/binary-strstr.html */

static const unsigned char *
bstrchr(const unsigned char *s, const unsigned char ch, size_t l) {
    /* find first occurrence of c in char s[] for length l*/
    for(; l > 0; ++s, --l) {
        if(*s == ch)
            return s;
    }
    return NULL;
}

static const unsigned char *
UA_Bstrstr(const unsigned char *s1, size_t l1, const unsigned char *s2, size_t l2) {
    /* find first occurrence of s2[] in s1[] for length l1*/
    const unsigned char *ss1 = s1;
    const unsigned char *ss2 = s2;
    /* handle special case */
    if(l1 == 0)
        return (NULL);
    if(l2 == 0)
        return s1;

    /* match prefix */
    for (; (s1 = bstrchr(s1, *s2, (uintptr_t)ss1-(uintptr_t)s1+(uintptr_t)l1)) != NULL &&
             (uintptr_t)ss1-(uintptr_t)s1+(uintptr_t)l1 != 0; ++s1) {

        /* match rest of prefix */
        const unsigned char *sc1, *sc2;
        for (sc1 = s1, sc2 = s2; ;)
            if (++sc2 >= ss2+l2)
                return s1;
            else if (*++sc1 != *sc2)
                break;
    }
    return NULL;
}

typedef struct {
    /* 
     * If the folders are defined, we use them to reload the certificates during
     * runtime 
     */

    UA_String             trustListFolder;  
    UA_String             issuerListFolder;
    UA_String             revocationListFolder; 

    STACK_OF(X509) *      skIssue;
    STACK_OF(X509) *      skTrusted;
    STACK_OF(X509_CRL) *  skCrls; /* Revocation list*/
} CertContext;

static UA_StatusCode 
UA_CertContext_sk_Init (CertContext * context) {
    context->skTrusted = sk_X509_new_null();
    context->skIssue = sk_X509_new_null();
    context->skCrls = sk_X509_CRL_new_null();    
    if (context->skTrusted == NULL || context->skIssue == NULL ||
        context->skCrls == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;    
    }
    return UA_STATUSCODE_GOOD;
}

static void 
UA_CertContext_sk_free (CertContext * context) {
    sk_X509_pop_free (context->skTrusted, X509_free);
    sk_X509_pop_free (context->skIssue, X509_free);
    sk_X509_CRL_pop_free (context->skCrls, X509_CRL_free);
}

static UA_StatusCode 
UA_CertContext_Init (CertContext * context) {
    (void) memset (context, 0, sizeof (CertContext));
    UA_ByteString_init (&context->trustListFolder);
    UA_ByteString_init (&context->issuerListFolder);
    UA_ByteString_init (&context->revocationListFolder);
    return UA_CertContext_sk_Init (context);
}

static void
UA_CertificateVerification_clear (UA_CertificateVerification * cv) {
    if (cv == NULL) {
        return ;
    }
    CertContext * context = (CertContext *) cv->context;    
    if (context == NULL) {
        return;
    }
    UA_ByteString_clear (&context->trustListFolder);
    UA_ByteString_clear (&context->issuerListFolder);
    UA_ByteString_clear (&context->revocationListFolder);

    UA_CertContext_sk_free (context);
    UA_free (context);

    cv->context = NULL;

    return;
}

static UA_StatusCode
UA_skTrusted_Cert2X509 (const UA_ByteString *   certificateTrustList,
                        size_t                  certificateTrustListSize,
                        CertContext *           ctx) {
    size_t                i;        

    for (i = 0; i < certificateTrustListSize; i++) {
        X509 * x509 = UA_OpenSSL_LoadCertificate(&certificateTrustList[i]);

        if (x509 == NULL) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }
        sk_X509_push (ctx->skTrusted, x509);
    }

    return UA_STATUSCODE_GOOD;                            
}

static UA_StatusCode
UA_skIssuer_Cert2X509 (const UA_ByteString *   certificateIssuerList,
                       size_t                  certificateIssuerListSize,
                       CertContext *           ctx) {
    size_t                i;

    for (i = 0; i < certificateIssuerListSize; i++) {
        X509 * x509 = UA_OpenSSL_LoadCertificate(&certificateIssuerList[i]);

        if (x509 == NULL) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }
        sk_X509_push (ctx->skIssue, x509);
    }

    return UA_STATUSCODE_GOOD;                            
}

static UA_StatusCode
UA_skCrls_Cert2X509 (const UA_ByteString *   certificateRevocationList,
                     size_t                  certificateRevocationListSize,
                     CertContext *           ctx) {
    size_t                i;        
    const unsigned char * pData;

    for (i = 0; i < certificateRevocationListSize; i++) {
        pData = certificateRevocationList[i].data;
        X509_CRL * crl = NULL;

        if (certificateRevocationList[i].length > 1 && pData[0] == 0x30 && pData[1] == 0x82) { // Magic number for DER encoded files
            crl = d2i_X509_CRL (NULL, &pData, (long) certificateRevocationList[i].length);
        } else {
            BIO* bio = NULL;
            bio = BIO_new_mem_buf((void *) certificateRevocationList[i].data,
                                  (int) certificateRevocationList[i].length);
            crl = PEM_read_bio_X509_CRL(bio, NULL, NULL, NULL);
            BIO_free(bio);
        }

        if (crl == NULL) {
            return UA_STATUSCODE_BADINTERNALERROR;
        }
        sk_X509_CRL_push (ctx->skCrls, crl);
    }

    return UA_STATUSCODE_GOOD;                            
}

#ifdef __linux__ 
#include <dirent.h>

static int UA_Certificate_Filter_der_pem (const struct dirent * entry) {
    /* ignore hidden files */
    if (entry->d_name[0] == '.') return 0;

    /* check file extension */
    const char *pszFind = strrchr(entry->d_name, '.');
    if (pszFind == 0) 
        return 0;
    pszFind++;
    if (strcmp (pszFind, "der") == 0 || strcmp (pszFind, "pem") == 0)
        return 1;

    return 0;
}

static int UA_Certificate_Filter_crl (const struct dirent * entry) {

    /* ignore hidden files */
    if (entry->d_name[0] == '.') return 0;

    /* check file extension */
    const char *pszFind = strrchr(entry->d_name, '.');
    if (pszFind == 0) 
        return 0;
    pszFind++;
    if (strcmp (pszFind, "crl") == 0)
        return 1;

    return 0;
}

static UA_StatusCode
UA_BuildFullPath (const char * path,
                  const char * fileName,
                  size_t       fullPathBufferLength,
                  char *       fullPath) {
    size_t  pathLen = strlen (path);
    size_t  fileNameLen = strlen (fileName);
    if ((pathLen + fileNameLen + 2) > fullPathBufferLength) {
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }
    strcpy (fullPath, path);
    strcat (fullPath, "/");
    strcat (fullPath, fileName);

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_loadCertFromFile (const char *     fileName,
                     UA_ByteString *  cert) {
 
    FILE * fp = fopen(fileName, "rb"); 

    if (fp == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    
    fseek(fp, 0, SEEK_END);
    cert->length = (size_t)  ftell(fp);
    if (UA_ByteString_allocBuffer (cert, cert->length) != UA_STATUSCODE_GOOD) {
        fclose (fp);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    fseek(fp, 0, SEEK_SET);
    size_t readLen = fread (cert->data, 1, cert->length, fp);
    if (readLen != cert->length) {
        UA_ByteString_clear (cert);
        cert->length = 0;
        fclose (fp);
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    fclose (fp);

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
UA_ReloadCertFromFolder (CertContext * ctx) {
    UA_StatusCode    ret;
    struct dirent ** dirlist = NULL;
    int              i;
    int              numCertificates;
    char             certFile[PATH_MAX];
    UA_ByteString    strCert; 
    char             folderPath[PATH_MAX];

    UA_ByteString_init (&strCert);

    if (ctx->trustListFolder.length > 0) {
        UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Reloading the trust-list"); 

        sk_X509_pop_free (ctx->skTrusted, X509_free);
        ctx->skTrusted = sk_X509_new_null();
        if (ctx->skTrusted == NULL) {
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }

        (void) memcpy (folderPath, ctx->trustListFolder.data, 
                       ctx->trustListFolder.length);
        folderPath[ctx->trustListFolder.length] = 0;
        numCertificates = scandir(folderPath, &dirlist, 
                                  UA_Certificate_Filter_der_pem,
                                  alphasort);
        for (i = 0; i < numCertificates; i++) {
            if (UA_BuildFullPath (folderPath, dirlist[i]->d_name, 
                                  PATH_MAX, certFile) != UA_STATUSCODE_GOOD) {
                continue; 
            }
            ret = UA_loadCertFromFile (certFile, &strCert);
            if (ret != UA_STATUSCODE_GOOD) {
                UA_LOG_INFO (UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Failed to load the certificate file %s", certFile); 
                continue;  /* continue or return ? */
            }
            if (UA_skTrusted_Cert2X509 (&strCert, 1, ctx) != UA_STATUSCODE_GOOD) {
                UA_LOG_INFO (UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Failed to decode the certificate file %s", certFile);
                UA_ByteString_clear (&strCert);
                continue;  /* continue or return ? */
            }
            UA_ByteString_clear (&strCert);
        }
    }

    if (ctx->issuerListFolder.length > 0) {
        UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Reloading the issuer-list");    

        sk_X509_pop_free (ctx->skIssue, X509_free);
        ctx->skIssue = sk_X509_new_null();
        if (ctx->skIssue == NULL) {
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }

        memcpy (folderPath, ctx->issuerListFolder.data, ctx->issuerListFolder.length);
        folderPath[ctx->issuerListFolder.length] = 0;
        numCertificates = scandir(folderPath, &dirlist, 
                                  UA_Certificate_Filter_der_pem,
                                  alphasort);
        for (i = 0; i < numCertificates; i++) {
            if (UA_BuildFullPath (folderPath, dirlist[i]->d_name, 
                                  PATH_MAX, certFile) != UA_STATUSCODE_GOOD) {
                continue; 
            }
            ret = UA_loadCertFromFile (certFile, &strCert);
            if (ret != UA_STATUSCODE_GOOD) {
                UA_LOG_INFO (UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Failed to load the certificate file %s", certFile); 
                continue;  /* continue or return ? */
            }
            if (UA_skIssuer_Cert2X509 (&strCert, 1, ctx) != UA_STATUSCODE_GOOD) {
                UA_LOG_INFO (UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Failed to decode the certificate file %s", certFile);                 
                UA_ByteString_clear (&strCert);
                continue;  /* continue or return ? */
            }
            UA_ByteString_clear (&strCert);
        }
    }

    if (ctx->revocationListFolder.length > 0) {
        UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Reloading the revocation-list");   

        sk_X509_CRL_pop_free (ctx->skCrls, X509_CRL_free);
        ctx->skCrls = sk_X509_CRL_new_null();    
        if (ctx->skCrls == NULL) {
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }

        memcpy (folderPath, ctx->revocationListFolder.data, ctx->revocationListFolder.length);
        folderPath[ctx->revocationListFolder.length] = 0;
        numCertificates = scandir(folderPath, &dirlist, 
                                  UA_Certificate_Filter_crl, 
                                  alphasort);
        for (i = 0; i < numCertificates; i++) {
            if (UA_BuildFullPath (folderPath, dirlist[i]->d_name, 
                                  PATH_MAX, certFile) != UA_STATUSCODE_GOOD) {
                continue; 
            }
            ret = UA_loadCertFromFile (certFile, &strCert);
            if (ret != UA_STATUSCODE_GOOD) {
                UA_LOG_INFO (UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Failed to load the revocation file %s", certFile);                 
                continue;  /* continue or return ? */
            }
            if (UA_skCrls_Cert2X509 (&strCert, 1, ctx) != UA_STATUSCODE_GOOD) {
                UA_LOG_INFO (UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Failed to decode the revocation file %s", certFile);                                 
                UA_ByteString_clear (&strCert);
                continue;  /* continue or return ? */
            }
            UA_ByteString_clear (&strCert);
        }
    }

    ret = UA_STATUSCODE_GOOD;
    return ret;
}

#endif  /* end of __linux__ */

static UA_StatusCode
UA_X509_Store_CTX_Error_To_UAError (int opensslErr) {
    UA_StatusCode ret;
    
    switch (opensslErr) {
        case X509_V_ERR_CERT_HAS_EXPIRED:
        case X509_V_ERR_CERT_NOT_YET_VALID:
        case X509_V_ERR_CRL_NOT_YET_VALID:
        case X509_V_ERR_CRL_HAS_EXPIRED:
        case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
        case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
        case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
        case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
            ret = UA_STATUSCODE_BADCERTIFICATETIMEINVALID;
            break;
        case X509_V_ERR_CERT_REVOKED:
            ret = UA_STATUSCODE_BADCERTIFICATEREVOKED;
            break;
        case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
        case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
        case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
            ret = UA_STATUSCODE_BADCERTIFICATEUNTRUSTED;
            break;
        case X509_V_ERR_CERT_SIGNATURE_FAILURE:
        case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
            ret = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
            break;
        case X509_V_ERR_UNABLE_TO_GET_CRL:
            ret = UA_STATUSCODE_BADCERTIFICATEREVOCATIONUNKNOWN;
            break;
        default:
            ret = UA_STATUSCODE_BADCERTIFICATEINVALID;
            break;
        }
    return ret;
    }

static UA_StatusCode
UA_CertificateVerification_Verify (void *                verificationContext,
                                   const UA_ByteString * certificate) {
    X509_STORE_CTX*       storeCtx;
    X509_STORE*           store;
    CertContext *         ctx;
    UA_StatusCode         ret;
    int                   opensslRet;
    X509 *                certificateX509 = NULL;

    if (verificationContext == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    ctx = (CertContext *) verificationContext;
  
    store = X509_STORE_new();
    storeCtx = X509_STORE_CTX_new();
    
    if (store == NULL || storeCtx == NULL) {
        ret = UA_STATUSCODE_BADOUTOFMEMORY;
        goto cleanup;
    }
#ifdef __linux__ 
    ret = UA_ReloadCertFromFolder (ctx);
    if (ret != UA_STATUSCODE_GOOD) {
        goto cleanup;
    }
#endif

    certificateX509 = UA_OpenSSL_LoadCertificate(certificate);
    if (certificateX509 == NULL) {
        ret = UA_STATUSCODE_BADCERTIFICATEINVALID;
        goto cleanup;
    } 

    X509_STORE_set_flags(store, 0);
    opensslRet = X509_STORE_CTX_init (storeCtx, store, certificateX509, 
                                      ctx->skIssue);
    if (opensslRet != 1) {
        ret = UA_STATUSCODE_BADINTERNALERROR;
        goto cleanup;
    }
#if defined(OPENSSL_API_COMPAT) && OPENSSL_API_COMPAT < 0x10100000L
	(void) X509_STORE_CTX_trusted_stack (storeCtx, ctx->skTrusted);
#else
	(void) X509_STORE_CTX_set0_trusted_stack (storeCtx, ctx->skTrusted);
#endif

    /* Set crls to ctx */
    if (sk_X509_CRL_num (ctx->skCrls) > 0) {
        X509_STORE_CTX_set0_crls (storeCtx, ctx->skCrls);
    }

    /* Set flag to check if the certificate has an invalid signature */
    X509_STORE_CTX_set_flags (storeCtx, X509_V_FLAG_CHECK_SS_SIGNATURE);

    if (X509_STORE_CTX_get_check_issued(storeCtx) (storeCtx,certificateX509, certificateX509) != 1) {
        X509_STORE_CTX_set_flags (storeCtx, X509_V_FLAG_CRL_CHECK);
    }

    /* This condition will check whether the certificate is a User certificate or a CA certificate.
     * If the KU_KEY_CERT_SIGN and KU_CRL_SIGN of key_usage are set, then the certificate shall be
     * condidered as CA Certificate and cannot be used to establish a connection. Refer the test case
     * CTT/Security/Security Certificate Validation/029.js for more details */
     /** \todo Can the ca-parameter of X509_check_purpose can be used? */
    if(X509_check_purpose(certificateX509, X509_PURPOSE_CRL_SIGN, 0) && X509_check_ca(certificateX509)) {
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;
    }

    opensslRet = X509_verify_cert (storeCtx);
    if (opensslRet == 1) {
        ret = UA_STATUSCODE_GOOD;

        /* Check if the not trusted certificate has a CRL file. If there is no CRL file available for the corresponding
         * parent certificate then return status code UA_STATUSCODE_BADCERTIFICATEISSUERREVOCATIONUNKNOWN. Refer the test
         * case CTT/Security/Security Certificate Validation/002.js */
        if (X509_STORE_CTX_get_check_issued (storeCtx) (storeCtx,certificateX509, certificateX509) != 1) {
            /* Free X509_STORE_CTX and reuse it for certification verification */
            if (storeCtx != NULL) {
               X509_STORE_CTX_free(storeCtx);
            }

            /* Initialised X509_STORE_CTX sructure*/
            storeCtx = X509_STORE_CTX_new();

            /* Sets up X509_STORE_CTX structure for a subsequent verification operation */
            X509_STORE_set_flags(store, 0);
            X509_STORE_CTX_init (storeCtx, store, certificateX509,ctx->skIssue);

            /* Set trust list to ctx */
            (void) X509_STORE_CTX_trusted_stack (storeCtx, ctx->skTrusted);

            /* Set crls to ctx */
            X509_STORE_CTX_set0_crls (storeCtx, ctx->skCrls);

            /* Set flags for CRL check */
            X509_STORE_CTX_set_flags (storeCtx, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);

            opensslRet = X509_verify_cert (storeCtx);
            if (opensslRet != 1) {
                opensslRet = X509_STORE_CTX_get_error (storeCtx);
                if (opensslRet == X509_V_ERR_UNABLE_TO_GET_CRL) {
                    ret = UA_STATUSCODE_BADCERTIFICATEISSUERREVOCATIONUNKNOWN;
                }
            }
        }
    }
    else {
        opensslRet = X509_STORE_CTX_get_error (storeCtx);

        /* Check the issued certificate of a CA that is not trusted but available */
        if(opensslRet == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN){
            int                     trusted_cert_len = sk_X509_num(ctx->skTrusted);
            int                     cmpVal;
            X509                    *trusted_cert;
            const ASN1_OCTET_STRING *trusted_cert_keyid;
            const ASN1_OCTET_STRING *remote_cert_keyid;

            for (int i = 0; i < trusted_cert_len; i++) {
                trusted_cert = sk_X509_value(ctx->skTrusted, i);

                /* Fetch the Subject key identifier of the certificate in trust list */
                trusted_cert_keyid = X509_get0_subject_key_id(trusted_cert);

                /* Fetch the Subject key identifier of the remote certificate */
                remote_cert_keyid = X509_get0_subject_key_id(certificateX509);

                /* Check remote certificate is present in the trust list */
                cmpVal = ASN1_OCTET_STRING_cmp(trusted_cert_keyid, remote_cert_keyid);
                if (cmpVal == 0){
                    ret = UA_STATUSCODE_GOOD;
                    goto cleanup;
                }
            }
        }

        /* Return expected OPCUA error code */
        ret = UA_X509_Store_CTX_Error_To_UAError (opensslRet);
    }
cleanup:
    if (store != NULL) {
        X509_STORE_free (store);
    }
    if (storeCtx != NULL) {
        X509_STORE_CTX_free (storeCtx);
    }
    if (certificateX509 != NULL) {
        X509_free (certificateX509);
    }
    return ret;
}

static UA_StatusCode
UA_CertificateVerification_VerifyApplicationURI (void *                verificationContext,
                                                 const UA_ByteString * certificate,
                                                 const UA_String *     applicationURI) {
    (void) verificationContext;

    const unsigned char * pData;
    X509 *                certificateX509;
    UA_String             subjectURI;
    GENERAL_NAMES *       pNames;
    int                   i;
    UA_StatusCode         ret;

    pData = certificate->data;
    if (pData == NULL) {
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    }

    certificateX509 = UA_OpenSSL_LoadCertificate(certificate);
    if (certificateX509 == NULL) {
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    }

    pNames = (GENERAL_NAMES *) X509_get_ext_d2i(certificateX509, NID_subject_alt_name, 
                                                NULL, NULL);
    if (pNames == NULL) {
        X509_free (certificateX509);
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    }
    for (i = 0; i < sk_GENERAL_NAME_num (pNames); i++) {
         GENERAL_NAME * value = sk_GENERAL_NAME_value (pNames, i);
         if (value->type == GEN_URI) {
             subjectURI.length = (size_t) (value->d.ia5->length);
             subjectURI.data = (UA_Byte *) UA_malloc (subjectURI.length);
             if (subjectURI.data == NULL) {
                 X509_free (certificateX509);
                 sk_GENERAL_NAME_pop_free(pNames, GENERAL_NAME_free);
                 return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
             }
             (void) memcpy (subjectURI.data, value->d.ia5->data, subjectURI.length);
             break;
         }

    }

    ret = UA_STATUSCODE_GOOD;
    if (UA_Bstrstr (subjectURI.data, subjectURI.length,
                    applicationURI->data, applicationURI->length) == NULL) {
        ret = UA_STATUSCODE_BADCERTIFICATEURIINVALID;
    }

    X509_free (certificateX509);
    sk_GENERAL_NAME_pop_free(pNames, GENERAL_NAME_free);
    UA_String_clear (&subjectURI);
    return ret;
}

/* main entry */

UA_StatusCode
UA_CertificateVerification_Trustlist(UA_CertificateVerification * cv,
                                     const UA_ByteString *        certificateTrustList,
                                     size_t                       certificateTrustListSize,
                                     const UA_ByteString *        certificateIssuerList,
                                     size_t                       certificateIssuerListSize,
                                     const UA_ByteString *        certificateRevocationList,
                                     size_t                       certificateRevocationListSize) {
    UA_StatusCode ret;

    if (cv == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    CertContext * context = (CertContext *) UA_malloc (sizeof (CertContext));
    if (context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    ret = UA_CertContext_Init (context);
    if (ret != UA_STATUSCODE_GOOD) {
        return ret;
    }

    cv->verifyApplicationURI = UA_CertificateVerification_VerifyApplicationURI;
    cv->clear = UA_CertificateVerification_clear;
    cv->context = context;
    cv->verifyCertificate = UA_CertificateVerification_Verify;
    
    if (certificateTrustListSize > 0) {
        if (UA_skTrusted_Cert2X509 (certificateTrustList, certificateTrustListSize,
                                    context) != UA_STATUSCODE_GOOD) {
            ret = UA_STATUSCODE_BADINTERNALERROR;
            goto errout;
        }
    }

    if (certificateIssuerListSize > 0) {
        if (UA_skIssuer_Cert2X509 (certificateIssuerList, certificateIssuerListSize,
                                  context) != UA_STATUSCODE_GOOD) {
            ret = UA_STATUSCODE_BADINTERNALERROR;                                       
            goto errout;
        }
    }

    if (certificateRevocationListSize > 0) {
        if (UA_skCrls_Cert2X509 (certificateRevocationList, certificateRevocationListSize,
                                  context) != UA_STATUSCODE_GOOD) {
            ret = UA_STATUSCODE_BADINTERNALERROR; 
            goto errout;
        }        
    }

    return UA_STATUSCODE_GOOD;

errout:
    UA_CertificateVerification_clear (cv);
    return ret;
}

#ifdef __linux__ /* Linux only so far */
UA_StatusCode
UA_CertificateVerification_CertFolders(UA_CertificateVerification * cv,
                                       const char *                 trustListFolder,
                                       const char *                 issuerListFolder,
                                       const char *                 revocationListFolder) {
    UA_StatusCode ret;
    if (cv == NULL) {
        return UA_STATUSCODE_BADINTERNALERROR;
    }   

    CertContext * context = (CertContext *) UA_malloc (sizeof (CertContext));
    if (context == NULL) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    ret = UA_CertContext_Init (context);
    if (ret != UA_STATUSCODE_GOOD) {
        return ret;
    }

    cv->verifyApplicationURI = UA_CertificateVerification_VerifyApplicationURI;
    cv->clear = UA_CertificateVerification_clear;
    cv->context = context;
    cv->verifyCertificate = UA_CertificateVerification_Verify;

    /* Only set the folder paths. They will be reloaded during runtime. */

    context->trustListFolder = UA_STRING_ALLOC(trustListFolder);
    context->issuerListFolder = UA_STRING_ALLOC(issuerListFolder);
    context->revocationListFolder = UA_STRING_ALLOC(revocationListFolder);

    return UA_STATUSCODE_GOOD;
}
#endif

#endif  /* end of defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL) */

/**** amalgamated original file "/plugins/crypto/mbedtls/securitypolicy_mbedtls_common.h" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. 
 *
 *    Copyright 2019 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 */



#if defined(UA_ENABLE_ENCRYPTION_MBEDTLS) || defined(UA_ENABLE_PUBSUB_ENCRYPTION)

#include <mbedtls/md.h>
#include <mbedtls/x509_crt.h>
#include <mbedtls/ctr_drbg.h>

// MBEDTLS_ENTROPY_HARDWARE_ALT should be defined if your hardware does not supportd platform entropy

#define UA_SHA1_LENGTH 20

_UA_BEGIN_DECLS

void
swapBuffers(UA_ByteString *const bufA, UA_ByteString *const bufB);

void
mbedtls_hmac(mbedtls_md_context_t *context, const UA_ByteString *key,
             const UA_ByteString *in, unsigned char *out);

UA_StatusCode
mbedtls_generateKey(mbedtls_md_context_t *context,
                    const UA_ByteString *secret, const UA_ByteString *seed,
                    UA_ByteString *out);

UA_StatusCode
mbedtls_verifySig_sha1(mbedtls_x509_crt *certificate, const UA_ByteString *message,
                       const UA_ByteString *signature);

UA_StatusCode
mbedtls_sign_sha1(mbedtls_pk_context *localPrivateKey,
                  mbedtls_ctr_drbg_context *drbgContext,
                  const UA_ByteString *message,
                  UA_ByteString *signature);

UA_StatusCode
mbedtls_thumbprint_sha1(const UA_ByteString *certificate,
                        UA_ByteString *thumbprint);

/* Set the hashing scheme before calling
 * E.g. mbedtls_rsa_set_padding(context, MBEDTLS_RSA_PKCS_V21, MBEDTLS_MD_SHA1); */
UA_StatusCode
mbedtls_encrypt_rsaOaep(mbedtls_rsa_context *context,
                        mbedtls_ctr_drbg_context *drbgContext,
                        UA_ByteString *data, const size_t plainTextBlockSize);

UA_StatusCode
mbedtls_decrypt_rsaOaep(mbedtls_pk_context *localPrivateKey,
                        mbedtls_ctr_drbg_context *drbgContext,
                        UA_ByteString *data);

int UA_mbedTLS_LoadPrivateKey(const UA_ByteString *key, mbedtls_pk_context *target, void *p_rng);

UA_StatusCode UA_mbedTLS_LoadLocalCertificate(const UA_ByteString *certData, UA_ByteString *target);

UA_ByteString UA_mbedTLS_CopyDataFormatAware(const UA_ByteString *data);

_UA_END_DECLS

#endif


/**** amalgamated original file "/plugins/crypto/mbedtls/ua_securitypolicy_basic128rsa15.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018-2019 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2018 (c) HMS Industrial Networks AB (Author: Jonas Green)
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 * 
 */


#ifdef UA_ENABLE_ENCRYPTION_MBEDTLS


#include <mbedtls/aes.h>
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/error.h>
#include <mbedtls/md.h>
#include <mbedtls/sha1.h>
#include <mbedtls/version.h>
#include <mbedtls/x509_crt.h>

/* Notes:
 * mbedTLS' AES allows in-place encryption and decryption. Sow we don't have to
 * allocate temp buffers.
 * https://tls.mbed.org/discussions/generic/in-place-decryption-with-aes256-same-input-output-buffer
 */

#define UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN 11
#define UA_SECURITYPOLICY_BASIC128RSA15_SYM_KEY_LENGTH 16
#define UA_BASIC128RSA15_SYM_SIGNING_KEY_LENGTH 16
#define UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC128RSA15_SYM_PLAIN_TEXT_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC128RSA15_MINASYMKEYLENGTH 128
#define UA_SECURITYPOLICY_BASIC128RSA15_MAXASYMKEYLENGTH 512

typedef struct {
    UA_ByteString localCertThumbprint;

    mbedtls_ctr_drbg_context drbgContext;
    mbedtls_entropy_context entropyContext;
    mbedtls_md_context_t sha1MdContext;
    mbedtls_pk_context localPrivateKey;
} Basic128Rsa15_PolicyContext;

typedef struct {
    Basic128Rsa15_PolicyContext *policyContext;

    UA_ByteString localSymSigningKey;
    UA_ByteString localSymEncryptingKey;
    UA_ByteString localSymIv;

    UA_ByteString remoteSymSigningKey;
    UA_ByteString remoteSymEncryptingKey;
    UA_ByteString remoteSymIv;

    mbedtls_x509_crt remoteCertificate;
} Basic128Rsa15_ChannelContext;

/********************/
/* AsymmetricModule */
/********************/

static UA_StatusCode
asym_verify_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                             const UA_ByteString *message,
                             const UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    return mbedtls_verifySig_sha1(&cc->remoteCertificate, message, signature);
}

static UA_StatusCode
asym_sign_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                           const UA_ByteString *message,
                           UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic128Rsa15_PolicyContext *pc = cc->policyContext;
    return mbedtls_sign_sha1(&pc->localPrivateKey, &pc->drbgContext,
                             message, signature);
}

static size_t
asym_getLocalSignatureSize_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc) {
    if(cc == NULL)
        return 0;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->policyContext->localPrivateKey)->len;
#else
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->policyContext->localPrivateKey));
#endif


}

static size_t
asym_getRemoteSignatureSize_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc) {
    if(cc == NULL)
        return 0;

#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->remoteCertificate.pk)->len;
#else
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif

}

static UA_StatusCode
asym_encrypt_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                              UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_rsa_context *remoteRsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    mbedtls_rsa_set_padding(remoteRsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE);

#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    size_t plainTextBlockSize = remoteRsaContext->len - UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN;
#else
    size_t keylen = mbedtls_rsa_get_len(remoteRsaContext);
    size_t plainTextBlockSize = mbedtls_rsa_get_len(remoteRsaContext) -
        UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN;
#endif

    if(data->length % plainTextBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t blocks = data->length / plainTextBlockSize;
    UA_ByteString encrypted;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    UA_StatusCode retval = UA_ByteString_allocBuffer(&encrypted, blocks * remoteRsaContext->len);
#else
    UA_StatusCode retval = UA_ByteString_allocBuffer(&encrypted, blocks * keylen);
#endif
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    size_t lenDataToEncrypt = data->length;
    size_t inOffset = 0;
    size_t offset = 0;
    size_t outLength = 0;
    Basic128Rsa15_PolicyContext *pc = cc->policyContext;
    while(lenDataToEncrypt >= plainTextBlockSize) {
        int mbedErr = mbedtls_pk_encrypt(&cc->remoteCertificate.pk,
                                         data->data + inOffset, plainTextBlockSize,
                                         encrypted.data + offset, &outLength,
                                         encrypted.length - offset,
                                         mbedtls_ctr_drbg_random,
                                         &pc->drbgContext);
        if(mbedErr) {
            UA_ByteString_clear(&encrypted);
            return UA_STATUSCODE_BADINTERNALERROR;
        }

        inOffset += plainTextBlockSize;
        offset += outLength;
        lenDataToEncrypt -= plainTextBlockSize;
    }

    memcpy(data->data, encrypted.data, offset);
    UA_ByteString_clear(&encrypted);

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
asym_decrypt_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                              UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic128Rsa15_PolicyContext *pc = cc->policyContext;
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(pc->localPrivateKey);
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE);
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    size_t keylen = rsaContext->len;
#else
    size_t keylen = mbedtls_rsa_get_len(rsaContext);
#endif
    if(data->length % keylen != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t inOffset = 0;
    size_t outOffset = 0;
    size_t outLength = 0;
    unsigned char buf[512];

    while(inOffset < data->length) {
        int mbedErr = mbedtls_pk_decrypt(&pc->localPrivateKey,
                                         data->data + inOffset, keylen,
                                         buf, &outLength, 512,
                                         mbedtls_ctr_drbg_random,
                                         &pc->drbgContext);
        if(mbedErr)
            return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

        memcpy(data->data + outOffset, buf, outLength);
        inOffset += keylen;
        outOffset += outLength;
    }

    data->length = outOffset;
    return UA_STATUSCODE_GOOD;
}

static size_t
asym_getLocalEncryptionKeyLength_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static size_t
asym_getRemoteEncryptionKeyLength_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc) {
    return mbedtls_pk_get_len(&cc->remoteCertificate.pk) * 8;
}

static size_t
asym_getRemoteBlockSize_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static size_t
asym_getRemotePlainTextBlockSize_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len - UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk)) -
        UA_SECURITYPOLICY_BASIC128RSA15_RSAPADDING_LEN;
#endif
}

static UA_StatusCode
asym_makeThumbprint_sp_basic128rsa15(const UA_SecurityPolicy *securityPolicy,
                                     const UA_ByteString *certificate,
                                     UA_ByteString *thumbprint) {
    if(securityPolicy == NULL || certificate == NULL || thumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    return mbedtls_thumbprint_sha1(certificate, thumbprint);
}

static UA_StatusCode
asymmetricModule_compareCertificateThumbprint_sp_basic128rsa15(const UA_SecurityPolicy *securityPolicy,
                                                               const UA_ByteString *certificateThumbprint) {
    if(securityPolicy == NULL || certificateThumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic128Rsa15_PolicyContext *pc = (Basic128Rsa15_PolicyContext *)securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint))
        return UA_STATUSCODE_BADCERTIFICATEINVALID;

    return UA_STATUSCODE_GOOD;
}

/*******************/
/* SymmetricModule */
/*******************/

static UA_StatusCode
sym_verify_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                            const UA_ByteString *message,
                            const UA_ByteString *signature) {
    if(cc == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Compute MAC */
    if(signature->length != UA_SHA1_LENGTH)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    Basic128Rsa15_PolicyContext *pc = cc->policyContext;

    unsigned char mac[UA_SHA1_LENGTH];
    mbedtls_hmac(&pc->sha1MdContext, &cc->remoteSymSigningKey, message, mac);

    /* Compare with Signature */
    if(!UA_constantTimeEqual(signature->data, mac, UA_SHA1_LENGTH))
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
sym_sign_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc,
                          const UA_ByteString *message,
                          UA_ByteString *signature) {
    if(signature->length != UA_SHA1_LENGTH)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_hmac(&cc->policyContext->sha1MdContext, &cc->localSymSigningKey,
                 message, signature->data);
    return UA_STATUSCODE_GOOD;
}

static size_t
sym_getSignatureSize_sp_basic128rsa15(const void *channelContext) {
    return UA_SHA1_LENGTH;
}

static size_t
sym_getSigningKeyLength_sp_basic128rsa15(const void *const channelContext) {
    return UA_BASIC128RSA15_SYM_SIGNING_KEY_LENGTH;
}

static size_t
sym_getEncryptionKeyLength_sp_basic128rsa15(const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC128RSA15_SYM_KEY_LENGTH;
}

static size_t
sym_getEncryptionBlockSize_sp_basic128rsa15(const void *const channelContext) {
    return UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
sym_getPlainTextBlockSize_sp_basic128rsa15(const void *const channelContext) {
    return UA_SECURITYPOLICY_BASIC128RSA15_SYM_PLAIN_TEXT_BLOCK_SIZE;
}

static UA_StatusCode
sym_encrypt_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc,
                             UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(cc->localSymIv.length != UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_BLOCK_SIZE)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t plainTextBlockSize = UA_SECURITYPOLICY_BASIC128RSA15_SYM_PLAIN_TEXT_BLOCK_SIZE;
    if(data->length % plainTextBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Keylength in bits */
    unsigned int keylength = (unsigned int)(cc->localSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_enc(&aesContext, cc->localSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->localSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_ENCRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_decrypt_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc,
                             UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t encryptionBlockSize = UA_SECURITYPOLICY_BASIC128RSA15_SYM_ENCRYPTION_BLOCK_SIZE;
    if(cc->remoteSymIv.length != encryptionBlockSize)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(data->length % encryptionBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned int keylength = (unsigned int)(cc->remoteSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_dec(&aesContext,
                                         cc->remoteSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->remoteSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_DECRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_generateKey_sp_basic128rsa15(void *policyContext, const UA_ByteString *secret,
                                 const UA_ByteString *seed, UA_ByteString *out) {
    if(secret == NULL || seed == NULL || out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Basic128Rsa15_PolicyContext *pc = (Basic128Rsa15_PolicyContext *)policyContext;
    return mbedtls_generateKey(&pc->sha1MdContext, secret, seed, out);
}

static UA_StatusCode
sym_generateNonce_sp_basic128rsa15(void *policyContext, UA_ByteString *out) {
    if(out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Basic128Rsa15_PolicyContext *pc = (Basic128Rsa15_PolicyContext *)policyContext;
    int mbedErr = mbedtls_ctr_drbg_random(&pc->drbgContext, out->data, out->length);
    if(mbedErr)
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    return UA_STATUSCODE_GOOD;
}

/*****************/
/* ChannelModule */
/*****************/

/* Assumes that the certificate has been verified externally */
static UA_StatusCode
parseRemoteCertificate_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                                        const UA_ByteString *remoteCertificate) {
    if(remoteCertificate == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Parse the certificate */
    int mbedErr = mbedtls_x509_crt_parse(&cc->remoteCertificate, remoteCertificate->data,
                                         remoteCertificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    /* Check the key length */
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    if(rsaContext->len < UA_SECURITYPOLICY_BASIC128RSA15_MINASYMKEYLENGTH ||
       rsaContext->len > UA_SECURITYPOLICY_BASIC128RSA15_MAXASYMKEYLENGTH)
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;
#else
    size_t keylen = mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
    if(keylen < UA_SECURITYPOLICY_BASIC128RSA15_MINASYMKEYLENGTH ||
       keylen > UA_SECURITYPOLICY_BASIC128RSA15_MAXASYMKEYLENGTH)
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;
#endif
    return UA_STATUSCODE_GOOD;
}

static void
channelContext_deleteContext_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc) {
    UA_ByteString_clear(&cc->localSymSigningKey);
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    UA_ByteString_clear(&cc->localSymIv);
    UA_ByteString_clear(&cc->remoteSymSigningKey);
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    UA_ByteString_clear(&cc->remoteSymIv);
    mbedtls_x509_crt_free(&cc->remoteCertificate);
    UA_free(cc);
}

static UA_StatusCode
channelContext_newContext_sp_basic128rsa15(const UA_SecurityPolicy *securityPolicy,
                                           const UA_ByteString *remoteCertificate,
                                           void **pp_contextData) {
    if(securityPolicy == NULL || remoteCertificate == NULL || pp_contextData == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Allocate the channel context */
    *pp_contextData = UA_malloc(sizeof(Basic128Rsa15_ChannelContext));
    if(*pp_contextData == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    Basic128Rsa15_ChannelContext *cc = (Basic128Rsa15_ChannelContext *)*pp_contextData;

    /* Initialize the channel context */
    cc->policyContext = (Basic128Rsa15_PolicyContext *)securityPolicy->policyContext;

    UA_ByteString_init(&cc->localSymSigningKey);
    UA_ByteString_init(&cc->localSymEncryptingKey);
    UA_ByteString_init(&cc->localSymIv);

    UA_ByteString_init(&cc->remoteSymSigningKey);
    UA_ByteString_init(&cc->remoteSymEncryptingKey);
    UA_ByteString_init(&cc->remoteSymIv);

    mbedtls_x509_crt_init(&cc->remoteCertificate);

    // TODO: this can be optimized so that we dont allocate memory before parsing the certificate
    UA_StatusCode retval = parseRemoteCertificate_sp_basic128rsa15(cc, remoteCertificate);
    if(retval != UA_STATUSCODE_GOOD) {
        channelContext_deleteContext_sp_basic128rsa15(cc);
        *pp_contextData = NULL;
    }
    return retval;
}

static UA_StatusCode
channelContext_setLocalSymEncryptingKey_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                                                         const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
channelContext_setLocalSymSigningKey_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                                                      const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}


static UA_StatusCode
channelContext_setLocalSymIv_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                                              const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static UA_StatusCode
channelContext_setRemoteSymEncryptingKey_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                                                          const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
channelContext_setRemoteSymSigningKey_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                                                       const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
channelContext_setRemoteSymIv_sp_basic128rsa15(Basic128Rsa15_ChannelContext *cc,
                                               const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(iv, &cc->remoteSymIv);
}

static UA_StatusCode
channelContext_compareCertificate_sp_basic128rsa15(const Basic128Rsa15_ChannelContext *cc,
                                                   const UA_ByteString *certificate) {
    if(cc == NULL || certificate == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_x509_crt cert;
    mbedtls_x509_crt_init(&cert);
    int mbedErr = mbedtls_x509_crt_parse(&cert, certificate->data, certificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(cert.raw.len != cc->remoteCertificate.raw.len ||
       memcmp(cert.raw.p, cc->remoteCertificate.raw.p, cert.raw.len) != 0)
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    mbedtls_x509_crt_free(&cert);
    return retval;
}

static void
clear_sp_basic128rsa15(UA_SecurityPolicy *securityPolicy) {
    if(securityPolicy == NULL)
        return;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    if(securityPolicy->policyContext == NULL)
        return;

    /* delete all allocated members in the context */
    Basic128Rsa15_PolicyContext *pc = (Basic128Rsa15_PolicyContext *)
        securityPolicy->policyContext;

    mbedtls_ctr_drbg_free(&pc->drbgContext);
    mbedtls_entropy_free(&pc->entropyContext);
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_md_free(&pc->sha1MdContext);
    UA_ByteString_clear(&pc->localCertThumbprint);

    UA_LOG_DEBUG(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Deleted members of EndpointContext for sp_basic128rsa15");

    UA_free(pc);
    securityPolicy->policyContext = NULL;
}

static UA_StatusCode
updateCertificateAndPrivateKey_sp_basic128rsa15(UA_SecurityPolicy *securityPolicy,
                                                const UA_ByteString newCertificate,
                                                const UA_ByteString newPrivateKey) {
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(securityPolicy->policyContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic128Rsa15_PolicyContext *pc = (Basic128Rsa15_PolicyContext *)securityPolicy->policyContext;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    UA_StatusCode retval = UA_mbedTLS_LoadLocalCertificate(&newCertificate, &securityPolicy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Set the new private key */
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_pk_init(&pc->localPrivateKey);
    int mbedErr = UA_mbedTLS_LoadPrivateKey(&newPrivateKey, &pc->localPrivateKey, &pc->entropyContext);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    retval = asym_makeThumbprint_sp_basic128rsa15(securityPolicy,
                                                  &securityPolicy->localCertificate,
                                                  &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return retval;

    error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not update certificate and private key");
    if(securityPolicy->policyContext != NULL)
        clear_sp_basic128rsa15(securityPolicy);
    return retval;
}

static UA_StatusCode
policyContext_newContext_sp_basic128rsa15(UA_SecurityPolicy *securityPolicy,
                                          const UA_ByteString localPrivateKey) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if (localPrivateKey.length == 0) {
        UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                     "Can not initialize security policy. Private key is empty.");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Basic128Rsa15_PolicyContext *pc = (Basic128Rsa15_PolicyContext *)
        UA_malloc(sizeof(Basic128Rsa15_PolicyContext));
    securityPolicy->policyContext = (void *)pc;
    if(!pc) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    /* Initialize the PolicyContext */
    memset(pc, 0, sizeof(Basic128Rsa15_PolicyContext));
    mbedtls_ctr_drbg_init(&pc->drbgContext);
    mbedtls_entropy_init(&pc->entropyContext);
    mbedtls_pk_init(&pc->localPrivateKey);
    mbedtls_md_init(&pc->sha1MdContext);

    /* Initialized the message digest */
    const mbedtls_md_info_t *const mdInfo = mbedtls_md_info_from_type(MBEDTLS_MD_SHA1);
    int mbedErr = mbedtls_md_setup(&pc->sha1MdContext, mdInfo, MBEDTLS_MD_SHA1);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    mbedErr = mbedtls_entropy_self_test(0);

    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Seed the RNG */
    char *personalization = "open62541-drbg";
    mbedErr = mbedtls_ctr_drbg_seed(&pc->drbgContext, mbedtls_entropy_func,
                                    &pc->entropyContext,
                                    (const unsigned char *)personalization, 14);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the private key */
    mbedErr = UA_mbedTLS_LoadPrivateKey(&localPrivateKey, &pc->localPrivateKey, &pc->entropyContext);

    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the local certificate thumbprint */
    retval = UA_ByteString_allocBuffer(&pc->localCertThumbprint, UA_SHA1_LENGTH);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;
    retval = asym_makeThumbprint_sp_basic128rsa15(securityPolicy,
                                                  &securityPolicy->localCertificate,
                                                  &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return UA_STATUSCODE_GOOD;

error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not create securityContext: %s", UA_StatusCode_name(retval));
    if(securityPolicy->policyContext != NULL)
        clear_sp_basic128rsa15(securityPolicy);
    return retval;
}

UA_StatusCode
UA_SecurityPolicy_Basic128Rsa15(UA_SecurityPolicy *policy, const UA_ByteString localCertificate,
                                const UA_ByteString localPrivateKey, const UA_Logger *logger) {
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;

    policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15\0");

    UA_SecurityPolicyAsymmetricModule *const asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule *const symmetricModule = &policy->symmetricModule;
    UA_SecurityPolicyChannelModule *const channelModule = &policy->channelModule;

    UA_StatusCode retval = UA_mbedTLS_LoadLocalCertificate(&localCertificate, &policy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* AsymmetricModule */
    UA_SecurityPolicySignatureAlgorithm *asym_signatureAlgorithm =
        &asymmetricModule->cryptoModule.signatureAlgorithm;
    asym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2000/09/xmldsig#rsa-sha1\0");
    asym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *, const UA_ByteString *))asym_verify_sp_basic128rsa15;
    asym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))asym_sign_sp_basic128rsa15;
    asym_signatureAlgorithm->getLocalSignatureSize =
        (size_t (*)(const void *))asym_getLocalSignatureSize_sp_basic128rsa15;
    asym_signatureAlgorithm->getRemoteSignatureSize =
        (size_t (*)(const void *))asym_getRemoteSignatureSize_sp_basic128rsa15;
    asym_signatureAlgorithm->getLocalKeyLength = NULL; // TODO: Write function
    asym_signatureAlgorithm->getRemoteKeyLength = NULL; // TODO: Write function

    UA_SecurityPolicyEncryptionAlgorithm *asym_encryptionAlgorithm =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-1_5");
    asym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))asym_encrypt_sp_basic128rsa15;
    asym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *)) asym_decrypt_sp_basic128rsa15;
    asym_encryptionAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))asym_getLocalEncryptionKeyLength_sp_basic128rsa15;
    asym_encryptionAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))asym_getRemoteEncryptionKeyLength_sp_basic128rsa15;
    asym_encryptionAlgorithm->getRemoteBlockSize =
        (size_t (*)(const void *))asym_getRemoteBlockSize_sp_basic128rsa15;
    asym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))asym_getRemotePlainTextBlockSize_sp_basic128rsa15;

    asymmetricModule->makeCertificateThumbprint = asym_makeThumbprint_sp_basic128rsa15;
    asymmetricModule->compareCertificateThumbprint =
        asymmetricModule_compareCertificateThumbprint_sp_basic128rsa15;

    /* SymmetricModule */
    symmetricModule->generateKey = sym_generateKey_sp_basic128rsa15;
    symmetricModule->generateNonce = sym_generateNonce_sp_basic128rsa15;

    UA_SecurityPolicySignatureAlgorithm *sym_signatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    sym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha1\0");
    sym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *,
                           const UA_ByteString *))sym_verify_sp_basic128rsa15;
    sym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))sym_sign_sp_basic128rsa15;
    sym_signatureAlgorithm->getLocalSignatureSize = sym_getSignatureSize_sp_basic128rsa15;
    sym_signatureAlgorithm->getRemoteSignatureSize = sym_getSignatureSize_sp_basic128rsa15;
    sym_signatureAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_basic128rsa15;
    sym_signatureAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_basic128rsa15;

    UA_SecurityPolicyEncryptionAlgorithm *sym_encryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    sym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#aes128-cbc");
    sym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_encrypt_sp_basic128rsa15;
    sym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_decrypt_sp_basic128rsa15;
    sym_encryptionAlgorithm->getLocalKeyLength = sym_getEncryptionKeyLength_sp_basic128rsa15;
    sym_encryptionAlgorithm->getRemoteKeyLength = sym_getEncryptionKeyLength_sp_basic128rsa15;
    sym_encryptionAlgorithm->getRemoteBlockSize =
        (size_t (*)(const void *))sym_getEncryptionBlockSize_sp_basic128rsa15;
    sym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))sym_getPlainTextBlockSize_sp_basic128rsa15;
    symmetricModule->secureChannelNonceLength = 16;

    // Use the same signature algorithm as the asymmetric component for certificate signing (see standard)
    policy->certificateSigningAlgorithm = policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    /* ChannelModule */
    channelModule->newContext = channelContext_newContext_sp_basic128rsa15;
    channelModule->deleteContext = (void (*)(void *))
        channelContext_deleteContext_sp_basic128rsa15;

    channelModule->setLocalSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymEncryptingKey_sp_basic128rsa15;
    channelModule->setLocalSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymSigningKey_sp_basic128rsa15;
    channelModule->setLocalSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymIv_sp_basic128rsa15;

    channelModule->setRemoteSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymEncryptingKey_sp_basic128rsa15;
    channelModule->setRemoteSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymSigningKey_sp_basic128rsa15;
    channelModule->setRemoteSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymIv_sp_basic128rsa15;

    channelModule->compareCertificate = (UA_StatusCode (*)(const void *, const UA_ByteString *))
        channelContext_compareCertificate_sp_basic128rsa15;

    policy->updateCertificateAndPrivateKey = updateCertificateAndPrivateKey_sp_basic128rsa15;
    policy->clear = clear_sp_basic128rsa15;

    UA_StatusCode res = policyContext_newContext_sp_basic128rsa15(policy, localPrivateKey);
    if(res != UA_STATUSCODE_GOOD)
        clear_sp_basic128rsa15(policy);

    return res;
}

#endif

/**** amalgamated original file "/plugins/crypto/mbedtls/ua_securitypolicy_basic256.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2018 (c) Daniel Feist, Precitec GmbH & Co. KG
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 *
 */


#ifdef UA_ENABLE_ENCRYPTION_MBEDTLS


#include <mbedtls/aes.h>
#include <mbedtls/entropy.h>
#include <mbedtls/error.h>
#include <mbedtls/sha1.h>
#include <mbedtls/version.h>

/* Notes:
 * mbedTLS' AES allows in-place encryption and decryption. Sow we don't have to
 * allocate temp buffers.
 * https://tls.mbed.org/discussions/generic/in-place-decryption-with-aes256-same-input-output-buffer
 */

#define UA_SECURITYPOLICY_BASIC256SHA1_RSAPADDING_LEN 42
#define UA_SHA1_LENGTH 20
#define UA_BASIC256_SYM_SIGNING_KEY_LENGTH 24
#define UA_SECURITYPOLICY_BASIC256_SYM_KEY_LENGTH 32
#define UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC256_SYM_PLAIN_TEXT_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC256_MINASYMKEYLENGTH 128
#define UA_SECURITYPOLICY_BASIC256_MAXASYMKEYLENGTH 512

typedef struct {
    UA_ByteString localCertThumbprint;

    mbedtls_ctr_drbg_context drbgContext;
    mbedtls_entropy_context entropyContext;
    mbedtls_md_context_t sha1MdContext;
    mbedtls_pk_context localPrivateKey;
} Basic256_PolicyContext;

typedef struct {
    Basic256_PolicyContext *policyContext;

    UA_ByteString localSymSigningKey;
    UA_ByteString localSymEncryptingKey;
    UA_ByteString localSymIv;

    UA_ByteString remoteSymSigningKey;
    UA_ByteString remoteSymEncryptingKey;
    UA_ByteString remoteSymIv;

    mbedtls_x509_crt remoteCertificate;
} Basic256_ChannelContext;

/********************/
/* AsymmetricModule */
/********************/

/* VERIFY AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256 */
static UA_StatusCode
asym_verify_sp_basic256(Basic256_ChannelContext *cc,
                        const UA_ByteString *message,
                        const UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    return mbedtls_verifySig_sha1(&cc->remoteCertificate, message, signature);
}

/* AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256 */
static UA_StatusCode
asym_sign_sp_basic256(Basic256_ChannelContext *cc,
                      const UA_ByteString *message,
                      UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic256_PolicyContext *pc = cc->policyContext;
    return mbedtls_sign_sha1(&pc->localPrivateKey, &pc->drbgContext,
                             message, signature);
}

static size_t
asym_getLocalSignatureSize_sp_basic256(const Basic256_ChannelContext *cc) {
    if(cc == NULL)
        return 0;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->policyContext->localPrivateKey)->len;
#else
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->policyContext->localPrivateKey));

#endif
}

static size_t
asym_getRemoteSignatureSize_sp_basic256(const Basic256_ChannelContext *cc) {
    if(cc == NULL)
        return 0;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->remoteCertificate.pk)->len;
#else
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static size_t
asym_getRemotePlainTextBlockSize_sp_basic256(const Basic256_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len - UA_SECURITYPOLICY_BASIC256SHA1_RSAPADDING_LEN;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk)) -
        UA_SECURITYPOLICY_BASIC256SHA1_RSAPADDING_LEN;
#endif
}

/* AsymmetricEncryptionAlgorithm_RSA-OAEP-SHA1 */
static UA_StatusCode
asym_encrypt_sp_basic256(Basic256_ChannelContext *cc,
                         UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const size_t plainTextBlockSize = asym_getRemotePlainTextBlockSize_sp_basic256(cc);

    mbedtls_rsa_context *remoteRsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    mbedtls_rsa_set_padding(remoteRsaContext, MBEDTLS_RSA_PKCS_V21, MBEDTLS_MD_SHA1);

    return mbedtls_encrypt_rsaOaep(remoteRsaContext, &cc->policyContext->drbgContext,
                                   data, plainTextBlockSize);
}

/* AsymmetricEncryptionAlgorithm_RSA-OAEP-SHA1 */
static UA_StatusCode
asym_decrypt_sp_basic256(Basic256_ChannelContext *cc,
                         UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    return mbedtls_decrypt_rsaOaep(&cc->policyContext->localPrivateKey,
                                   &cc->policyContext->drbgContext, data);
}

static size_t
asym_getLocalEncryptionKeyLength_sp_basic256(const Basic256_ChannelContext *cc) {
    return mbedtls_pk_get_len(&cc->policyContext->localPrivateKey) * 8;
}

static size_t
asym_getRemoteEncryptionKeyLength_sp_basic256(const Basic256_ChannelContext *cc) {
    return mbedtls_pk_get_len(&cc->remoteCertificate.pk) * 8;
}

static size_t
asym_getRemoteBlockSize_sp_basic256(const Basic256_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static UA_StatusCode
asym_makeThumbprint_sp_basic256(const UA_SecurityPolicy *securityPolicy,
                                const UA_ByteString *certificate,
                                UA_ByteString *thumbprint) {
    if(securityPolicy == NULL || certificate == NULL || thumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    return mbedtls_thumbprint_sha1(certificate, thumbprint);
}

static UA_StatusCode
asymmetricModule_compareCertificateThumbprint_sp_basic256(const UA_SecurityPolicy *securityPolicy,
                                                          const UA_ByteString *certificateThumbprint) {
    if(securityPolicy == NULL || certificateThumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic256_PolicyContext *pc = (Basic256_PolicyContext *)securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint))
        return UA_STATUSCODE_BADCERTIFICATEINVALID;

    return UA_STATUSCODE_GOOD;
}

/*******************/
/* SymmetricModule */
/*******************/

static UA_StatusCode
sym_verify_sp_basic256(Basic256_ChannelContext *cc,
                       const UA_ByteString *message,
                       const UA_ByteString *signature) {
    if(cc == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Compute MAC */
    if(signature->length != UA_SHA1_LENGTH)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    Basic256_PolicyContext *pc = cc->policyContext;
    
    unsigned char mac[UA_SHA1_LENGTH];
    mbedtls_hmac(&pc->sha1MdContext, &cc->remoteSymSigningKey, message, mac);

    /* Compare with Signature */
    if(!UA_constantTimeEqual(signature->data, mac, UA_SHA1_LENGTH))
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
sym_sign_sp_basic256(const Basic256_ChannelContext *cc,
                     const UA_ByteString *message, UA_ByteString *signature) {
    if(signature->length != UA_SHA1_LENGTH)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_hmac(&cc->policyContext->sha1MdContext, &cc->localSymSigningKey,
                 message, signature->data);
    return UA_STATUSCODE_GOOD;
}

static size_t
sym_getSignatureSize_sp_basic256(const void *channelContext) {
    return UA_SHA1_LENGTH;
}

static size_t
sym_getSigningKeyLength_sp_basic256(const void *const channelContext) {
    return UA_BASIC256_SYM_SIGNING_KEY_LENGTH;
}

static size_t
sym_getEncryptionKeyLength_sp_basic256(const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC256_SYM_KEY_LENGTH;
}

static size_t
sym_getEncryptionBlockSize_sp_basic256(const void *const channelContext) {
    return UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
sym_getPlainTextBlockSize_sp_basic256(const void *const channelContext) {
    return UA_SECURITYPOLICY_BASIC256_SYM_PLAIN_TEXT_BLOCK_SIZE;
}

static UA_StatusCode
sym_encrypt_sp_basic256(const Basic256_ChannelContext *cc,
                        UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(cc->localSymIv.length != UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_BLOCK_SIZE)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t plainTextBlockSize = UA_SECURITYPOLICY_BASIC256_SYM_PLAIN_TEXT_BLOCK_SIZE;
    if(data->length % plainTextBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Keylength in bits */
    unsigned int keylength = (unsigned int)(cc->localSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_enc(&aesContext, cc->localSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->localSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_ENCRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_decrypt_sp_basic256(const Basic256_ChannelContext *cc,
                        UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t encryptionBlockSize = UA_SECURITYPOLICY_BASIC256_SYM_ENCRYPTION_BLOCK_SIZE;
    if(cc->remoteSymIv.length != encryptionBlockSize)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(data->length % encryptionBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned int keylength = (unsigned int)(cc->remoteSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_dec(&aesContext, cc->remoteSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->remoteSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_DECRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_generateKey_sp_basic256(void *policyContext, const UA_ByteString *secret,
                            const UA_ByteString *seed, UA_ByteString *out) {
    if(secret == NULL || seed == NULL || out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Basic256_PolicyContext *pc = (Basic256_PolicyContext *)policyContext;
    return mbedtls_generateKey(&pc->sha1MdContext, secret, seed, out);
}

static UA_StatusCode
sym_generateNonce_sp_basic256(void *policyContext, UA_ByteString *out) {
    if(out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Basic256_PolicyContext *pc = (Basic256_PolicyContext *)policyContext;
    int mbedErr = mbedtls_ctr_drbg_random(&pc->drbgContext, out->data, out->length);
    if(mbedErr)
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    return UA_STATUSCODE_GOOD;
}

/*****************/
/* ChannelModule */
/*****************/

/* Assumes that the certificate has been verified externally */
static UA_StatusCode
parseRemoteCertificate_sp_basic256(Basic256_ChannelContext *cc,
                                   const UA_ByteString *remoteCertificate) {
    if(remoteCertificate == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Parse the certificate */
    int mbedErr = mbedtls_x509_crt_parse(&cc->remoteCertificate, remoteCertificate->data,
                                         remoteCertificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    /* Check the key length */
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    if(rsaContext->len < UA_SECURITYPOLICY_BASIC256_MINASYMKEYLENGTH ||
       rsaContext->len > UA_SECURITYPOLICY_BASIC256_MAXASYMKEYLENGTH)
#else
    size_t keylen = mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
    if(keylen < UA_SECURITYPOLICY_BASIC256_MINASYMKEYLENGTH ||
       keylen > UA_SECURITYPOLICY_BASIC256_MAXASYMKEYLENGTH)
#endif
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;

    return UA_STATUSCODE_GOOD;
}

static void
channelContext_deleteContext_sp_basic256(Basic256_ChannelContext *cc) {
    UA_ByteString_clear(&cc->localSymSigningKey);
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    UA_ByteString_clear(&cc->localSymIv);

    UA_ByteString_clear(&cc->remoteSymSigningKey);
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    UA_ByteString_clear(&cc->remoteSymIv);

    mbedtls_x509_crt_free(&cc->remoteCertificate);

    UA_free(cc);
}

static UA_StatusCode
channelContext_newContext_sp_basic256(const UA_SecurityPolicy *securityPolicy,
                                      const UA_ByteString *remoteCertificate,
                                      void **pp_contextData) {
    if(securityPolicy == NULL || remoteCertificate == NULL || pp_contextData == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Allocate the channel context */
    *pp_contextData = UA_malloc(sizeof(Basic256_ChannelContext));
    if(*pp_contextData == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    Basic256_ChannelContext *cc = (Basic256_ChannelContext *)*pp_contextData;

    /* Initialize the channel context */
    cc->policyContext = (Basic256_PolicyContext *)securityPolicy->policyContext;

    UA_ByteString_init(&cc->localSymSigningKey);
    UA_ByteString_init(&cc->localSymEncryptingKey);
    UA_ByteString_init(&cc->localSymIv);

    UA_ByteString_init(&cc->remoteSymSigningKey);
    UA_ByteString_init(&cc->remoteSymEncryptingKey);
    UA_ByteString_init(&cc->remoteSymIv);

    mbedtls_x509_crt_init(&cc->remoteCertificate);

    // TODO: this can be optimized so that we dont allocate memory before parsing the certificate
    UA_StatusCode retval = parseRemoteCertificate_sp_basic256(cc, remoteCertificate);
    if(retval != UA_STATUSCODE_GOOD) {
        channelContext_deleteContext_sp_basic256(cc);
        *pp_contextData = NULL;
    }
    return retval;
}

static UA_StatusCode
channelContext_setLocalSymEncryptingKey_sp_basic256(Basic256_ChannelContext *cc,
                                                    const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
channelContext_setLocalSymSigningKey_sp_basic256(Basic256_ChannelContext *cc,
                                                 const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}


static UA_StatusCode
channelContext_setLocalSymIv_sp_basic256(Basic256_ChannelContext *cc,
                                         const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static UA_StatusCode
channelContext_setRemoteSymEncryptingKey_sp_basic256(Basic256_ChannelContext *cc,
                                                     const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
channelContext_setRemoteSymSigningKey_sp_basic256(Basic256_ChannelContext *cc,
                                                  const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
channelContext_setRemoteSymIv_sp_basic256(Basic256_ChannelContext *cc,
                                          const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(iv, &cc->remoteSymIv);
}

static UA_StatusCode
channelContext_compareCertificate_sp_basic256(const Basic256_ChannelContext *cc,
                                              const UA_ByteString *certificate) {
    if(cc == NULL || certificate == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_x509_crt cert;
    mbedtls_x509_crt_init(&cert);
    int mbedErr = mbedtls_x509_crt_parse(&cert, certificate->data, certificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(cert.raw.len != cc->remoteCertificate.raw.len ||
       memcmp(cert.raw.p, cc->remoteCertificate.raw.p, cert.raw.len) != 0)
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    mbedtls_x509_crt_free(&cert);
    return retval;
}

static void
clear_sp_basic256(UA_SecurityPolicy *securityPolicy) {
    if(securityPolicy == NULL)
        return;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    if(securityPolicy->policyContext == NULL)
        return;

    /* delete all allocated members in the context */
    Basic256_PolicyContext *pc = (Basic256_PolicyContext *)
        securityPolicy->policyContext;

    mbedtls_ctr_drbg_free(&pc->drbgContext);
    mbedtls_entropy_free(&pc->entropyContext);
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_md_free(&pc->sha1MdContext);
    UA_ByteString_clear(&pc->localCertThumbprint);

    UA_LOG_DEBUG(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Deleted members of EndpointContext for sp_basic256");

    UA_free(pc);
    securityPolicy->policyContext = NULL;
}

static UA_StatusCode
updateCertificateAndPrivateKey_sp_basic256(UA_SecurityPolicy *securityPolicy,
                                           const UA_ByteString newCertificate,
                                           const UA_ByteString newPrivateKey) {
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(securityPolicy->policyContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic256_PolicyContext *pc = (Basic256_PolicyContext *)
        securityPolicy->policyContext;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    UA_StatusCode retval = UA_mbedTLS_LoadLocalCertificate(&newCertificate, &securityPolicy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Set the new private key */
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_pk_init(&pc->localPrivateKey);

    int mbedErr = UA_mbedTLS_LoadPrivateKey(&newPrivateKey, &pc->localPrivateKey, &pc->entropyContext);

    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    retval = asym_makeThumbprint_sp_basic256(securityPolicy,
                                             &securityPolicy->localCertificate,
                                             &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return retval;

    error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not update certificate and private key");
    if(securityPolicy->policyContext != NULL)
        clear_sp_basic256(securityPolicy);
    return retval;
}

static UA_StatusCode
policyContext_newContext_sp_basic256(UA_SecurityPolicy *securityPolicy,
                                     const UA_ByteString localPrivateKey) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if (localPrivateKey.length == 0) {
        UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                     "Can not initialize security policy. Private key is empty.");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Basic256_PolicyContext *pc = (Basic256_PolicyContext *)
        UA_malloc(sizeof(Basic256_PolicyContext));
    securityPolicy->policyContext = (void *)pc;
    if(!pc) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    /* Initialize the PolicyContext */
    memset(pc, 0, sizeof(Basic256_PolicyContext));
    mbedtls_ctr_drbg_init(&pc->drbgContext);
    mbedtls_entropy_init(&pc->entropyContext);
    mbedtls_pk_init(&pc->localPrivateKey);
    mbedtls_md_init(&pc->sha1MdContext);

    /* Initialized the message digest */
    const mbedtls_md_info_t *mdInfo = mbedtls_md_info_from_type(MBEDTLS_MD_SHA1);
    int mbedErr = mbedtls_md_setup(&pc->sha1MdContext, mdInfo, MBEDTLS_MD_SHA1);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    mbedErr = mbedtls_entropy_self_test(0);

    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Seed the RNG */
    char *personalization = "open62541-drbg";
    mbedErr = mbedtls_ctr_drbg_seed(&pc->drbgContext, mbedtls_entropy_func,
                                    &pc->entropyContext,
                                    (const unsigned char *)personalization, 14);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the private key */
    mbedErr = UA_mbedTLS_LoadPrivateKey(&localPrivateKey, &pc->localPrivateKey, &pc->entropyContext);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the local certificate thumbprint */
    retval = UA_ByteString_allocBuffer(&pc->localCertThumbprint, UA_SHA1_LENGTH);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;
    retval = asym_makeThumbprint_sp_basic256(securityPolicy,
                                             &securityPolicy->localCertificate,
                                             &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return UA_STATUSCODE_GOOD;

error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not create securityContext: %s", UA_StatusCode_name(retval));
    if(securityPolicy->policyContext != NULL)
        clear_sp_basic256(securityPolicy);
    return retval;
}

UA_StatusCode
UA_SecurityPolicy_Basic256(UA_SecurityPolicy *policy, const UA_ByteString localCertificate,
                           const UA_ByteString localPrivateKey, const UA_Logger *logger) {
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;

    policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Basic256\0");

    UA_SecurityPolicyAsymmetricModule *const asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule *const symmetricModule = &policy->symmetricModule;
    UA_SecurityPolicyChannelModule *const channelModule = &policy->channelModule;

    UA_StatusCode retval = UA_mbedTLS_LoadLocalCertificate(&localCertificate, &policy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* AsymmetricModule */
    UA_SecurityPolicySignatureAlgorithm *asym_signatureAlgorithm =
        &asymmetricModule->cryptoModule.signatureAlgorithm;
    asym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2000/09/xmldsig#rsa-sha1\0");
    asym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *, const UA_ByteString *))asym_verify_sp_basic256;
    asym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))asym_sign_sp_basic256;
    asym_signatureAlgorithm->getLocalSignatureSize =
        (size_t (*)(const void *))asym_getLocalSignatureSize_sp_basic256;
    asym_signatureAlgorithm->getRemoteSignatureSize =
        (size_t (*)(const void *))asym_getRemoteSignatureSize_sp_basic256;
    asym_signatureAlgorithm->getLocalKeyLength = NULL; // TODO: Write function
    asym_signatureAlgorithm->getRemoteKeyLength = NULL; // TODO: Write function

    UA_SecurityPolicyEncryptionAlgorithm *asym_encryptionAlgorithm =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-oaep\0");
    asym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))asym_encrypt_sp_basic256;
    asym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))asym_decrypt_sp_basic256;
    asym_encryptionAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))asym_getLocalEncryptionKeyLength_sp_basic256;
    asym_encryptionAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))asym_getRemoteEncryptionKeyLength_sp_basic256;
    asym_encryptionAlgorithm->getRemoteBlockSize =
        (size_t (*)(const void *))asym_getRemoteBlockSize_sp_basic256;
    asym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))asym_getRemotePlainTextBlockSize_sp_basic256;

    asymmetricModule->makeCertificateThumbprint = asym_makeThumbprint_sp_basic256;
    asymmetricModule->compareCertificateThumbprint =
        asymmetricModule_compareCertificateThumbprint_sp_basic256;

    /* SymmetricModule */
    symmetricModule->generateKey = sym_generateKey_sp_basic256;
    symmetricModule->generateNonce = sym_generateNonce_sp_basic256;

    UA_SecurityPolicySignatureAlgorithm *sym_signatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    sym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha1\0");
    sym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *,
                           const UA_ByteString *))sym_verify_sp_basic256;
    sym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))sym_sign_sp_basic256;
    sym_signatureAlgorithm->getLocalSignatureSize = sym_getSignatureSize_sp_basic256;
    sym_signatureAlgorithm->getRemoteSignatureSize = sym_getSignatureSize_sp_basic256;
    sym_signatureAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_basic256;
    sym_signatureAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_basic256;

    UA_SecurityPolicyEncryptionAlgorithm *sym_encryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    sym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#aes256-cbc\0");
    sym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_encrypt_sp_basic256;
    sym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_decrypt_sp_basic256;
    sym_encryptionAlgorithm->getLocalKeyLength = sym_getEncryptionKeyLength_sp_basic256;
    sym_encryptionAlgorithm->getRemoteKeyLength = sym_getEncryptionKeyLength_sp_basic256;
    sym_encryptionAlgorithm->getRemoteBlockSize =
        (size_t (*)(const void *))sym_getEncryptionBlockSize_sp_basic256;
    sym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))sym_getPlainTextBlockSize_sp_basic256;
    symmetricModule->secureChannelNonceLength = 32;

    // Use the same signature algorithm as the asymmetric component for certificate signing (see standard)
    policy->certificateSigningAlgorithm = policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    /* ChannelModule */
    channelModule->newContext = channelContext_newContext_sp_basic256;
    channelModule->deleteContext = (void (*)(void *))
        channelContext_deleteContext_sp_basic256;

    channelModule->setLocalSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymEncryptingKey_sp_basic256;
    channelModule->setLocalSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymSigningKey_sp_basic256;
    channelModule->setLocalSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymIv_sp_basic256;

    channelModule->setRemoteSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymEncryptingKey_sp_basic256;
    channelModule->setRemoteSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymSigningKey_sp_basic256;
    channelModule->setRemoteSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymIv_sp_basic256;

    channelModule->compareCertificate = (UA_StatusCode (*)(const void *, const UA_ByteString *))
        channelContext_compareCertificate_sp_basic256;

    policy->updateCertificateAndPrivateKey = updateCertificateAndPrivateKey_sp_basic256;
    policy->clear = clear_sp_basic256;

    UA_StatusCode res = policyContext_newContext_sp_basic256(policy, localPrivateKey);
    if(res != UA_STATUSCODE_GOOD)
        clear_sp_basic256(policy);

    return res;
}

#endif

/**** amalgamated original file "/plugins/crypto/mbedtls/ua_securitypolicy_basic256sha256.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2018 (c) Daniel Feist, Precitec GmbH & Co. KG
 *    Copyright 2018 (c) HMS Industrial Networks AB (Author: Jonas Green)
 *    Copyright 2020 (c) Wind River Systems, Inc.
 *    Copyright 2020 (c) basysKom GmbH
 */


#ifdef UA_ENABLE_ENCRYPTION_MBEDTLS


#include <mbedtls/aes.h>
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/error.h>
#include <mbedtls/md.h>
#include <mbedtls/sha1.h>
#include <mbedtls/sha256.h>
#include <mbedtls/version.h>
#include <mbedtls/x509_crt.h>

/* Notes:
 * mbedTLS' AES allows in-place encryption and decryption. Sow we don't have to
 * allocate temp buffers.
 * https://tls.mbed.org/discussions/generic/in-place-decryption-with-aes256-same-input-output-buffer
 */

#define UA_SECURITYPOLICY_BASIC256SHA256_RSAPADDING_LEN 42
#define UA_SHA1_LENGTH 20
#define UA_SHA256_LENGTH 32
#define UA_BASIC256SHA256_SYM_SIGNING_KEY_LENGTH 32
#define UA_SECURITYPOLICY_BASIC256SHA256_SYM_KEY_LENGTH 32
#define UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC256SHA256_SYM_PLAIN_TEXT_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_BASIC256SHA256_MINASYMKEYLENGTH 256
#define UA_SECURITYPOLICY_BASIC256SHA256_MAXASYMKEYLENGTH 512

typedef struct {
    UA_ByteString localCertThumbprint;

    mbedtls_ctr_drbg_context drbgContext;
    mbedtls_entropy_context entropyContext;
    mbedtls_md_context_t sha256MdContext;
    mbedtls_pk_context localPrivateKey;
} Basic256Sha256_PolicyContext;

typedef struct {
    Basic256Sha256_PolicyContext *policyContext;

    UA_ByteString localSymSigningKey;
    UA_ByteString localSymEncryptingKey;
    UA_ByteString localSymIv;

    UA_ByteString remoteSymSigningKey;
    UA_ByteString remoteSymEncryptingKey;
    UA_ByteString remoteSymIv;

    mbedtls_x509_crt remoteCertificate;
} Basic256Sha256_ChannelContext;

/********************/
/* AsymmetricModule */
/********************/

/* VERIFY AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256 */
static UA_StatusCode
asym_verify_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                              const UA_ByteString *message,
                              const UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned char hash[UA_SHA256_LENGTH];
#if MBEDTLS_VERSION_NUMBER >= 0x02070000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    // TODO check return status
    mbedtls_sha256_ret(message->data, message->length, hash, 0);
#else
    mbedtls_sha256(message->data, message->length, hash, 0);
#endif

    /* Set the RSA settings */
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_SHA256);

    /* For RSA keys, the default padding type is PKCS#1 v1.5 in mbedtls_pk_verify() */
    /* Alternatively, use more specific function mbedtls_rsa_rsassa_pkcs1_v15_verify(), i.e. */
    /* int mbedErr = mbedtls_rsa_rsassa_pkcs1_v15_verify(rsaContext, NULL, NULL,
                                                         MBEDTLS_RSA_PUBLIC, MBEDTLS_MD_SHA256,
                                                         UA_SHA256_LENGTH, hash,
                                                         signature->data); */
    int mbedErr = mbedtls_pk_verify(&cc->remoteCertificate.pk,
                                    MBEDTLS_MD_SHA256, hash, UA_SHA256_LENGTH,
                                    signature->data, signature->length);

    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    return UA_STATUSCODE_GOOD;
}

/* AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256 */
static UA_StatusCode
asym_sign_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                            const UA_ByteString *message,
                            UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned char hash[UA_SHA256_LENGTH];
#if MBEDTLS_VERSION_NUMBER >= 0x02070000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    // TODO check return status
    mbedtls_sha256_ret(message->data, message->length, hash, 0);
#else
    mbedtls_sha256(message->data, message->length, hash, 0);
#endif

    Basic256Sha256_PolicyContext *pc = cc->policyContext;
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(pc->localPrivateKey);
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_SHA256);

    size_t sigLen = 0;

    /* For RSA keys, the default padding type is PKCS#1 v1.5 in mbedtls_pk_sign */
    /* Alternatively use more specific function mbedtls_rsa_rsassa_pkcs1_v15_sign() */
    int mbedErr = mbedtls_pk_sign(&pc->localPrivateKey,
                                  MBEDTLS_MD_SHA256, hash,
                                  UA_SHA256_LENGTH, signature->data,
#if MBEDTLS_VERSION_NUMBER >= 0x03000000
                                  signature->length,
#endif
                                  &sigLen, mbedtls_ctr_drbg_random,
                                  &pc->drbgContext);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;
    return UA_STATUSCODE_GOOD;
}

static size_t
asym_getLocalSignatureSize_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc) {
    if(cc == NULL)
        return 0;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->policyContext->localPrivateKey)->len;
#else
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->policyContext->localPrivateKey));
#endif
}

static size_t
asym_getRemoteSignatureSize_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc) {
    if(cc == NULL)
        return 0;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->remoteCertificate.pk)->len;
#else
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static size_t
asym_getRemoteBlockSize_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static size_t
asym_getRemotePlainTextBlockSize_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len - UA_SECURITYPOLICY_BASIC256SHA256_RSAPADDING_LEN;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk)) -
        UA_SECURITYPOLICY_BASIC256SHA256_RSAPADDING_LEN;
#endif
}


/* AsymmetricEncryptionAlgorithm_RSA-OAEP-SHA1 */
static UA_StatusCode
asym_encrypt_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                               UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const size_t plainTextBlockSize = asym_getRemotePlainTextBlockSize_sp_basic256sha256(cc);

    mbedtls_rsa_context *remoteRsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    mbedtls_rsa_set_padding(remoteRsaContext, MBEDTLS_RSA_PKCS_V21, MBEDTLS_MD_SHA1);

    return mbedtls_encrypt_rsaOaep(remoteRsaContext, &cc->policyContext->drbgContext,
                                   data, plainTextBlockSize);
}

/* AsymmetricEncryptionAlgorithm_RSA-OAEP-SHA1 */
static UA_StatusCode
asym_decrypt_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                               UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    return mbedtls_decrypt_rsaOaep(&cc->policyContext->localPrivateKey,
                                   &cc->policyContext->drbgContext, data);
}

static size_t
asym_getLocalEncryptionKeyLength_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc) {
    return mbedtls_pk_get_len(&cc->policyContext->localPrivateKey) * 8;
}

static size_t
asym_getRemoteEncryptionKeyLength_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc) {
    return mbedtls_pk_get_len(&cc->remoteCertificate.pk) * 8;
}

static UA_StatusCode
asym_makeThumbprint_sp_basic256sha256(const UA_SecurityPolicy *securityPolicy,
                                      const UA_ByteString *certificate,
                                      UA_ByteString *thumbprint) {
    if(securityPolicy == NULL || certificate == NULL || thumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    return mbedtls_thumbprint_sha1(certificate, thumbprint);
}

static UA_StatusCode
asymmetricModule_compareCertificateThumbprint_sp_basic256sha256(const UA_SecurityPolicy *securityPolicy,
                                                                const UA_ByteString *certificateThumbprint) {
    if(securityPolicy == NULL || certificateThumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic256Sha256_PolicyContext *pc = (Basic256Sha256_PolicyContext *)securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint))
        return UA_STATUSCODE_BADCERTIFICATEINVALID;

    return UA_STATUSCODE_GOOD;
}

/*******************/
/* SymmetricModule */
/*******************/

static UA_StatusCode
sym_verify_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                             const UA_ByteString *message,
                             const UA_ByteString *signature) {
    if(cc == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Compute MAC */
    if(signature->length != UA_SHA256_LENGTH)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    Basic256Sha256_PolicyContext *pc = cc->policyContext;
    unsigned char mac[UA_SHA256_LENGTH];
    mbedtls_hmac(&pc->sha256MdContext, &cc->remoteSymSigningKey, message, mac);

    /* Compare with Signature */
    if(!UA_constantTimeEqual(signature->data, mac, UA_SHA256_LENGTH))
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
sym_sign_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc,
                           const UA_ByteString *message,
                           UA_ByteString *signature) {
    if(signature->length != UA_SHA256_LENGTH)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_hmac(&cc->policyContext->sha256MdContext, &cc->localSymSigningKey,
                 message, signature->data);
    return UA_STATUSCODE_GOOD;
}

static size_t
sym_getSignatureSize_sp_basic256sha256(const void *channelContext) {
    return UA_SHA256_LENGTH;
}

static size_t
sym_getSigningKeyLength_sp_basic256sha256(const void *channelContext) {
    return UA_BASIC256SHA256_SYM_SIGNING_KEY_LENGTH;
}

static size_t
sym_getEncryptionKeyLength_sp_basic256sha256(const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_KEY_LENGTH;
}

static size_t
sym_getEncryptionBlockSize_sp_basic256sha256(const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
sym_getPlainTextBlockSize_sp_basic256sha256(const void *channelContext) {
    return UA_SECURITYPOLICY_BASIC256SHA256_SYM_PLAIN_TEXT_BLOCK_SIZE;
}

static UA_StatusCode
sym_encrypt_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc,
                              UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(cc->localSymIv.length != UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_BLOCK_SIZE)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t plainTextBlockSize = UA_SECURITYPOLICY_BASIC256SHA256_SYM_PLAIN_TEXT_BLOCK_SIZE;

    if(data->length % plainTextBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Keylength in bits */
    unsigned int keylength = (unsigned int)(cc->localSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_enc(&aesContext, cc->localSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->localSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_ENCRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_decrypt_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc,
                              UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t encryptionBlockSize = UA_SECURITYPOLICY_BASIC256SHA256_SYM_ENCRYPTION_BLOCK_SIZE;
    if(cc->remoteSymIv.length != encryptionBlockSize)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(data->length % encryptionBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned int keylength = (unsigned int)(cc->remoteSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_dec(&aesContext, cc->remoteSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->remoteSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_DECRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_generateKey_sp_basic256sha256(void *policyContext, const UA_ByteString *secret,
                                  const UA_ByteString *seed, UA_ByteString *out) {
    if(secret == NULL || seed == NULL || out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Basic256Sha256_PolicyContext *pc = (Basic256Sha256_PolicyContext *)policyContext;
    return mbedtls_generateKey(&pc->sha256MdContext, secret, seed, out);
}

static UA_StatusCode
sym_generateNonce_sp_basic256sha256(void *policyContext, UA_ByteString *out) {
    if(out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Basic256Sha256_PolicyContext *pc = (Basic256Sha256_PolicyContext *)policyContext;
    int mbedErr = mbedtls_ctr_drbg_random(&pc->drbgContext, out->data, out->length);
    if(mbedErr)
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    return UA_STATUSCODE_GOOD;
}

/*****************/
/* ChannelModule */
/*****************/

/* Assumes that the certificate has been verified externally */
static UA_StatusCode
parseRemoteCertificate_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                                         const UA_ByteString *remoteCertificate) {
    if(remoteCertificate == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Parse the certificate */
    int mbedErr = mbedtls_x509_crt_parse(&cc->remoteCertificate, remoteCertificate->data,
                                         remoteCertificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    /* Check the key length */
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    if(rsaContext->len < UA_SECURITYPOLICY_BASIC256SHA256_MINASYMKEYLENGTH ||
       rsaContext->len > UA_SECURITYPOLICY_BASIC256SHA256_MAXASYMKEYLENGTH)
#else
    size_t keylen = mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
    if(keylen < UA_SECURITYPOLICY_BASIC256SHA256_MINASYMKEYLENGTH ||
       keylen > UA_SECURITYPOLICY_BASIC256SHA256_MAXASYMKEYLENGTH)
#endif
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;

    return UA_STATUSCODE_GOOD;
}

static void
channelContext_deleteContext_sp_basic256sha256(Basic256Sha256_ChannelContext *cc) {
    UA_ByteString_clear(&cc->localSymSigningKey);
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    UA_ByteString_clear(&cc->localSymIv);

    UA_ByteString_clear(&cc->remoteSymSigningKey);
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    UA_ByteString_clear(&cc->remoteSymIv);

    mbedtls_x509_crt_free(&cc->remoteCertificate);

    UA_free(cc);
}

static UA_StatusCode
channelContext_newContext_sp_basic256sha256(const UA_SecurityPolicy *securityPolicy,
                                            const UA_ByteString *remoteCertificate,
                                            void **pp_contextData) {
    if(securityPolicy == NULL || remoteCertificate == NULL || pp_contextData == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Allocate the channel context */
    *pp_contextData = UA_malloc(sizeof(Basic256Sha256_ChannelContext));
    if(*pp_contextData == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    Basic256Sha256_ChannelContext *cc = (Basic256Sha256_ChannelContext *)*pp_contextData;

    /* Initialize the channel context */
    cc->policyContext = (Basic256Sha256_PolicyContext *)securityPolicy->policyContext;

    UA_ByteString_init(&cc->localSymSigningKey);
    UA_ByteString_init(&cc->localSymEncryptingKey);
    UA_ByteString_init(&cc->localSymIv);

    UA_ByteString_init(&cc->remoteSymSigningKey);
    UA_ByteString_init(&cc->remoteSymEncryptingKey);
    UA_ByteString_init(&cc->remoteSymIv);

    mbedtls_x509_crt_init(&cc->remoteCertificate);

    // TODO: this can be optimized so that we dont allocate memory before parsing the certificate
    UA_StatusCode retval = parseRemoteCertificate_sp_basic256sha256(cc, remoteCertificate);
    if(retval != UA_STATUSCODE_GOOD) {
        channelContext_deleteContext_sp_basic256sha256(cc);
        *pp_contextData = NULL;
    }
    return retval;
}

static UA_StatusCode
channelContext_setLocalSymEncryptingKey_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                                                          const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
channelContext_setLocalSymSigningKey_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                                                       const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}


static UA_StatusCode
channelContext_setLocalSymIv_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                                               const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static UA_StatusCode
channelContext_setRemoteSymEncryptingKey_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                                                           const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
channelContext_setRemoteSymSigningKey_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                                                        const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
channelContext_setRemoteSymIv_sp_basic256sha256(Basic256Sha256_ChannelContext *cc,
                                                const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(iv, &cc->remoteSymIv);
}

static UA_StatusCode
channelContext_compareCertificate_sp_basic256sha256(const Basic256Sha256_ChannelContext *cc,
                                                    const UA_ByteString *certificate) {
    if(cc == NULL || certificate == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_x509_crt cert;
    mbedtls_x509_crt_init(&cert);
    int mbedErr = mbedtls_x509_crt_parse(&cert, certificate->data, certificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(cert.raw.len != cc->remoteCertificate.raw.len ||
       memcmp(cert.raw.p, cc->remoteCertificate.raw.p, cert.raw.len) != 0)
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    mbedtls_x509_crt_free(&cert);
    return retval;
}

static void
clear_sp_basic256sha256(UA_SecurityPolicy *securityPolicy) {
    if(securityPolicy == NULL)
        return;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    if(securityPolicy->policyContext == NULL)
        return;

    /* delete all allocated members in the context */
    Basic256Sha256_PolicyContext *pc = (Basic256Sha256_PolicyContext *)
        securityPolicy->policyContext;

    mbedtls_ctr_drbg_free(&pc->drbgContext);
    mbedtls_entropy_free(&pc->entropyContext);
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_md_free(&pc->sha256MdContext);
    UA_ByteString_clear(&pc->localCertThumbprint);

    UA_LOG_DEBUG(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Deleted members of EndpointContext for sp_basic256sha256");

    UA_free(pc);
    securityPolicy->policyContext = NULL;
}

static UA_StatusCode
updateCertificateAndPrivateKey_sp_basic256sha256(UA_SecurityPolicy *securityPolicy,
                                                 const UA_ByteString newCertificate,
                                                 const UA_ByteString newPrivateKey) {
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(securityPolicy->policyContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Basic256Sha256_PolicyContext *pc =
            (Basic256Sha256_PolicyContext *) securityPolicy->policyContext;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    UA_StatusCode retval = UA_mbedTLS_LoadLocalCertificate(&newCertificate, &securityPolicy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Set the new private key */
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_pk_init(&pc->localPrivateKey);
    int mbedErr = UA_mbedTLS_LoadPrivateKey(&newPrivateKey, &pc->localPrivateKey, &pc->entropyContext);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    retval = asym_makeThumbprint_sp_basic256sha256(securityPolicy,
                                                   &securityPolicy->localCertificate,
                                                   &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return retval;

    error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not update certificate and private key");
    if(securityPolicy->policyContext != NULL)
        clear_sp_basic256sha256(securityPolicy);
    return retval;
}

static UA_StatusCode
policyContext_newContext_sp_basic256sha256(UA_SecurityPolicy *securityPolicy,
                                           const UA_ByteString localPrivateKey) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if (localPrivateKey.length == 0) {
        UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                     "Can not initialize security policy. Private key is empty.");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Basic256Sha256_PolicyContext *pc = (Basic256Sha256_PolicyContext *)
        UA_malloc(sizeof(Basic256Sha256_PolicyContext));
    securityPolicy->policyContext = (void *)pc;
    if(!pc) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    /* Initialize the PolicyContext */
    memset(pc, 0, sizeof(Basic256Sha256_PolicyContext));
    mbedtls_ctr_drbg_init(&pc->drbgContext);
    mbedtls_entropy_init(&pc->entropyContext);
    mbedtls_pk_init(&pc->localPrivateKey);
    mbedtls_md_init(&pc->sha256MdContext);

    /* Initialized the message digest */
    const mbedtls_md_info_t *const mdInfo = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256);
    int mbedErr = mbedtls_md_setup(&pc->sha256MdContext, mdInfo, MBEDTLS_MD_SHA256);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    mbedErr = mbedtls_entropy_self_test(0);

    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Seed the RNG */
    char *personalization = "open62541-drbg";
    mbedErr = mbedtls_ctr_drbg_seed(&pc->drbgContext, mbedtls_entropy_func,
                                    &pc->entropyContext,
                                    (const unsigned char *)personalization, 14);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the private key */
    mbedErr = UA_mbedTLS_LoadPrivateKey(&localPrivateKey, &pc->localPrivateKey, &pc->entropyContext);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the local certificate thumbprint */
    retval = UA_ByteString_allocBuffer(&pc->localCertThumbprint, UA_SHA1_LENGTH);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;
    retval = asym_makeThumbprint_sp_basic256sha256(securityPolicy,
                                                  &securityPolicy->localCertificate,
                                                  &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return UA_STATUSCODE_GOOD;

error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not create securityContext: %s", UA_StatusCode_name(retval));
    if(securityPolicy->policyContext != NULL)
        clear_sp_basic256sha256(securityPolicy);
    return retval;
}

UA_StatusCode
UA_SecurityPolicy_Basic256Sha256(UA_SecurityPolicy *policy, const UA_ByteString localCertificate,
                                 const UA_ByteString localPrivateKey, const UA_Logger *logger) {
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;

    policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Basic256Sha256");

    UA_SecurityPolicyAsymmetricModule *const asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule *const symmetricModule = &policy->symmetricModule;
    UA_SecurityPolicyChannelModule *const channelModule = &policy->channelModule;

    UA_StatusCode retval = UA_mbedTLS_LoadLocalCertificate(&localCertificate, &policy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* AsymmetricModule */
    UA_SecurityPolicySignatureAlgorithm *asym_signatureAlgorithm =
        &asymmetricModule->cryptoModule.signatureAlgorithm;
    asym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2001/04/xmldsig-more#rsa-sha256\0");
    asym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *, const UA_ByteString *))asym_verify_sp_basic256sha256;
    asym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))asym_sign_sp_basic256sha256;
    asym_signatureAlgorithm->getLocalSignatureSize =
        (size_t (*)(const void *))asym_getLocalSignatureSize_sp_basic256sha256;
    asym_signatureAlgorithm->getRemoteSignatureSize =
        (size_t (*)(const void *))asym_getRemoteSignatureSize_sp_basic256sha256;
    asym_signatureAlgorithm->getLocalKeyLength = NULL; // TODO: Write function
    asym_signatureAlgorithm->getRemoteKeyLength = NULL; // TODO: Write function

    UA_SecurityPolicyEncryptionAlgorithm *asym_encryptionAlgorithm =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-oaep\0");
    asym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))asym_encrypt_sp_basic256sha256;
    asym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))
            asym_decrypt_sp_basic256sha256;
    asym_encryptionAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))asym_getLocalEncryptionKeyLength_sp_basic256sha256;
    asym_encryptionAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))asym_getRemoteEncryptionKeyLength_sp_basic256sha256;
    asym_encryptionAlgorithm->getRemoteBlockSize =
        (size_t (*)(const void *))asym_getRemoteBlockSize_sp_basic256sha256;
    asym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))asym_getRemotePlainTextBlockSize_sp_basic256sha256;

    asymmetricModule->makeCertificateThumbprint = asym_makeThumbprint_sp_basic256sha256;
    asymmetricModule->compareCertificateThumbprint =
        asymmetricModule_compareCertificateThumbprint_sp_basic256sha256;

    /* SymmetricModule */
    symmetricModule->generateKey = sym_generateKey_sp_basic256sha256;
    symmetricModule->generateNonce = sym_generateNonce_sp_basic256sha256;

    UA_SecurityPolicySignatureAlgorithm *sym_signatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    sym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha1\0");
    sym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *, const UA_ByteString *))sym_verify_sp_basic256sha256;
    sym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))sym_sign_sp_basic256sha256;
    sym_signatureAlgorithm->getLocalSignatureSize = sym_getSignatureSize_sp_basic256sha256;
    sym_signatureAlgorithm->getRemoteSignatureSize = sym_getSignatureSize_sp_basic256sha256;
    sym_signatureAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_basic256sha256;
    sym_signatureAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_basic256sha256;

    UA_SecurityPolicyEncryptionAlgorithm *sym_encryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    sym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#aes256-cbc");
    sym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_encrypt_sp_basic256sha256;
    sym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_decrypt_sp_basic256sha256;
    sym_encryptionAlgorithm->getLocalKeyLength = sym_getEncryptionKeyLength_sp_basic256sha256;
    sym_encryptionAlgorithm->getRemoteKeyLength = sym_getEncryptionKeyLength_sp_basic256sha256;
    sym_encryptionAlgorithm->getRemoteBlockSize =
        (size_t (*)(const void *))sym_getEncryptionBlockSize_sp_basic256sha256;
    sym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))sym_getPlainTextBlockSize_sp_basic256sha256;
    symmetricModule->secureChannelNonceLength = 32;

    // Use the same signature algorithm as the asymmetric component for certificate signing (see standard)
    policy->certificateSigningAlgorithm = policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    /* ChannelModule */
    channelModule->newContext = channelContext_newContext_sp_basic256sha256;
    channelModule->deleteContext = (void (*)(void *))
        channelContext_deleteContext_sp_basic256sha256;

    channelModule->setLocalSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymEncryptingKey_sp_basic256sha256;
    channelModule->setLocalSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymSigningKey_sp_basic256sha256;
    channelModule->setLocalSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymIv_sp_basic256sha256;

    channelModule->setRemoteSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymEncryptingKey_sp_basic256sha256;
    channelModule->setRemoteSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymSigningKey_sp_basic256sha256;
    channelModule->setRemoteSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymIv_sp_basic256sha256;

    channelModule->compareCertificate = (UA_StatusCode (*)(const void *, const UA_ByteString *))
        channelContext_compareCertificate_sp_basic256sha256;

    policy->updateCertificateAndPrivateKey = updateCertificateAndPrivateKey_sp_basic256sha256;
    policy->clear = clear_sp_basic256sha256;

    UA_StatusCode res = policyContext_newContext_sp_basic256sha256(policy, localPrivateKey);
    if(res != UA_STATUSCODE_GOOD)
        clear_sp_basic256sha256(policy);

    return res;
}

#endif

/**** amalgamated original file "/plugins/crypto/mbedtls/ua_securitypolicy_aes128sha256rsaoaep.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2018 (c) Daniel Feist, Precitec GmbH & Co. KG
 *    Copyright 2018 (c) HMS Industrial Networks AB (Author: Jonas Green)
 *    Copyright 2020 (c) Wind River Systems, Inc.
 */


#ifdef UA_ENABLE_ENCRYPTION_MBEDTLS


#include <mbedtls/aes.h>
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/error.h>
#include <mbedtls/md.h>
#include <mbedtls/sha1.h>
#include <mbedtls/sha256.h>
#include <mbedtls/version.h>
#include <mbedtls/x509_crt.h>

/* Notes:
 * mbedTLS' AES allows in-place encryption and decryption. So we don't have to
 * allocate temp buffers.
 * https://tls.mbed.org/discussions/generic/in-place-decryption-with-aes256-same-input-output-buffer
 */

#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_RSAPADDING_LEN 42
#define UA_SHA1_LENGTH 20
#define UA_SHA256_LENGTH 32
#define UA_AES128SHA256RSAOAEP_SYM_SIGNING_KEY_LENGTH 32
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_KEY_LENGTH 16
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_PLAIN_TEXT_BLOCK_SIZE 16
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MINASYMKEYLENGTH 256
#define UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MAXASYMKEYLENGTH 512

typedef struct {
    UA_ByteString localCertThumbprint;

    mbedtls_ctr_drbg_context drbgContext;
    mbedtls_entropy_context entropyContext;
    mbedtls_md_context_t sha256MdContext;
    mbedtls_pk_context localPrivateKey;
} Aes128Sha256PsaOaep_PolicyContext;

typedef struct {
    Aes128Sha256PsaOaep_PolicyContext *policyContext;

    UA_ByteString localSymSigningKey;
    UA_ByteString localSymEncryptingKey;
    UA_ByteString localSymIv;

    UA_ByteString remoteSymSigningKey;
    UA_ByteString remoteSymEncryptingKey;
    UA_ByteString remoteSymIv;

    mbedtls_x509_crt remoteCertificate;
} Aes128Sha256PsaOaep_ChannelContext;

/********************/
/* AsymmetricModule */
/********************/

/* VERIFY AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256 */
static UA_StatusCode
asym_verify_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                   const UA_ByteString *message,
                                   const UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned char hash[UA_SHA256_LENGTH];
#if MBEDTLS_VERSION_NUMBER >= 0x02070000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    // TODO check return status
    mbedtls_sha256_ret(message->data, message->length, hash, 0);
#else
    mbedtls_sha256(message->data, message->length, hash, 0);
#endif

    /* Set the RSA settings */
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_SHA256);

    /* For RSA keys, the default padding type is PKCS#1 v1.5 in mbedtls_pk_verify() */
    /* Alternatively, use more specific function mbedtls_rsa_rsassa_pkcs1_v15_verify(), i.e. */
    /* int mbedErr = mbedtls_rsa_rsassa_pkcs1_v15_verify(rsaContext, NULL, NULL,
                                                         MBEDTLS_RSA_PUBLIC, MBEDTLS_MD_SHA256,
                                                         UA_SHA256_LENGTH, hash,
                                                         signature->data); */
    int mbedErr = mbedtls_pk_verify(&cc->remoteCertificate.pk,
                                    MBEDTLS_MD_SHA256, hash, UA_SHA256_LENGTH,
                                    signature->data, signature->length);

    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    return UA_STATUSCODE_GOOD;
}

/* AsymmetricSignatureAlgorithm_RSA-PKCS15-SHA2-256 */
static UA_StatusCode
asym_sign_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                 const UA_ByteString *message,
                                 UA_ByteString *signature) {
    if(message == NULL || signature == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned char hash[UA_SHA256_LENGTH];
#if MBEDTLS_VERSION_NUMBER >= 0x02070000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    // TODO check return status
    mbedtls_sha256_ret(message->data, message->length, hash, 0);
#else
    mbedtls_sha256(message->data, message->length, hash, 0);
#endif

    Aes128Sha256PsaOaep_PolicyContext *pc = cc->policyContext;
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(pc->localPrivateKey);
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_SHA256);

    size_t sigLen = 0;

    /* For RSA keys, the default padding type is PKCS#1 v1.5 in mbedtls_pk_sign */
    /* Alternatively use more specific function mbedtls_rsa_rsassa_pkcs1_v15_sign() */
    int mbedErr = mbedtls_pk_sign(&pc->localPrivateKey,
                                  MBEDTLS_MD_SHA256, hash,
                                  UA_SHA256_LENGTH, signature->data,
#if MBEDTLS_VERSION_NUMBER >= 0x03000000
                                  signature->length,
#endif
                                  &sigLen, mbedtls_ctr_drbg_random,
                                  &pc->drbgContext);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;
    return UA_STATUSCODE_GOOD;
}

static size_t
asym_getLocalSignatureSize_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->policyContext->localPrivateKey)->len;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->policyContext->localPrivateKey));
#endif

}

static size_t
asym_getRemoteSignatureSize_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->remoteCertificate.pk)->len;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static size_t
asym_getRemoteBlockSize_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    return mbedtls_pk_rsa(cc->remoteCertificate.pk)->len;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
#endif
}

static size_t
asym_getRemotePlainTextBlockSize_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *const rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    return rsaContext->len - UA_SECURITYPOLICY_AES128SHA256RSAOAEP_RSAPADDING_LEN;
#else
    if(cc == NULL)
        return 0;
    return mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk)) -
        UA_SECURITYPOLICY_AES128SHA256RSAOAEP_RSAPADDING_LEN;
#endif
}


/* AsymmetricEncryptionAlgorithm_RSA-OAEP-SHA1 */
static UA_StatusCode
asym_encrypt_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                    UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    const size_t plainTextBlockSize = asym_getRemotePlainTextBlockSize_sp_aes128sha256rsaoaep(cc);

    mbedtls_rsa_context *remoteRsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    mbedtls_rsa_set_padding(remoteRsaContext, MBEDTLS_RSA_PKCS_V21, MBEDTLS_MD_SHA1);

    return mbedtls_encrypt_rsaOaep(remoteRsaContext, &cc->policyContext->drbgContext,
                                   data, plainTextBlockSize);
}

/* AsymmetricEncryptionAlgorithm_RSA-OAEP-SHA1 */
static UA_StatusCode
asym_decrypt_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                    UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    return mbedtls_decrypt_rsaOaep(&cc->policyContext->localPrivateKey,
                                   &cc->policyContext->drbgContext, data);
}

static size_t
asym_getLocalEncryptionKeyLength_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc) {
    return mbedtls_pk_get_len(&cc->policyContext->localPrivateKey) * 8;
}

static size_t
asym_getRemoteEncryptionKeyLength_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc) {
    return mbedtls_pk_get_len(&cc->remoteCertificate.pk) * 8;
}

static UA_StatusCode
asym_makeThumbprint_sp_aes128sha256rsaoaep(const UA_SecurityPolicy *securityPolicy,
                                           const UA_ByteString *certificate,
                                           UA_ByteString *thumbprint) {
    if(securityPolicy == NULL || certificate == NULL || thumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    return mbedtls_thumbprint_sha1(certificate, thumbprint);
}

static UA_StatusCode
asymmetricModule_compareCertificateThumbprint_sp_aes128sha256rsaoaep(const UA_SecurityPolicy *securityPolicy,
                                                                     const UA_ByteString *certificateThumbprint) {
    if(securityPolicy == NULL || certificateThumbprint == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Aes128Sha256PsaOaep_PolicyContext *pc = (Aes128Sha256PsaOaep_PolicyContext *)securityPolicy->policyContext;
    if(!UA_ByteString_equal(certificateThumbprint, &pc->localCertThumbprint))
        return UA_STATUSCODE_BADCERTIFICATEINVALID;

    return UA_STATUSCODE_GOOD;
}

/*******************/
/* SymmetricModule */
/*******************/

static UA_StatusCode
sym_verify_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                  const UA_ByteString *message,
                                  const UA_ByteString *signature) {
    if(cc == NULL || message == NULL || signature == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Compute MAC */
    if(signature->length != UA_SHA256_LENGTH)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    Aes128Sha256PsaOaep_PolicyContext *pc = cc->policyContext;
    unsigned char mac[UA_SHA256_LENGTH];
    mbedtls_hmac(&pc->sha256MdContext, &cc->remoteSymSigningKey, message, mac);

    /* Compare with Signature */
    if(!UA_constantTimeEqual(signature->data, mac, UA_SHA256_LENGTH))
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
sym_sign_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc,
                                const UA_ByteString *message,
                                UA_ByteString *signature) {
    if(signature->length != UA_SHA256_LENGTH)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_hmac(&cc->policyContext->sha256MdContext, &cc->localSymSigningKey,
                 message, signature->data);
    return UA_STATUSCODE_GOOD;
}

static size_t
sym_getSignatureSize_sp_aes128sha256rsaoaep(const void *channelContext) {
    return UA_SHA256_LENGTH;
}

static size_t
sym_getSigningKeyLength_sp_aes128sha256rsaoaep(const void *channelContext) {
    return UA_AES128SHA256RSAOAEP_SYM_SIGNING_KEY_LENGTH;
}

static size_t
sym_getEncryptionKeyLength_sp_aes128sha256rsaoaep(const void *channelContext) {
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_KEY_LENGTH;
}

static size_t
sym_getEncryptionBlockSize_sp_aes128sha256rsaoaep(const void *channelContext) {
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_BLOCK_SIZE;
}

static size_t
sym_getPlainTextBlockSize_sp_aes128sha256rsaoaep(const void *channelContext) {
    return UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_PLAIN_TEXT_BLOCK_SIZE;
}

static UA_StatusCode
sym_encrypt_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc,
                                   UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(cc->localSymIv.length != UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_BLOCK_SIZE)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t plainTextBlockSize = UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_PLAIN_TEXT_BLOCK_SIZE;

    if(data->length % plainTextBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Keylength in bits */
    unsigned int keylength = (unsigned int)(cc->localSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_enc(&aesContext, cc->localSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->localSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_ENCRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_decrypt_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc,
                                   UA_ByteString *data) {
    if(cc == NULL || data == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t encryptionBlockSize = UA_SECURITYPOLICY_AES128SHA256RSAOAEP_SYM_ENCRYPTION_BLOCK_SIZE;

    if(cc->remoteSymIv.length != encryptionBlockSize)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(data->length % encryptionBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    unsigned int keylength = (unsigned int)(cc->remoteSymEncryptingKey.length * 8);
    mbedtls_aes_context aesContext;
    int mbedErr = mbedtls_aes_setkey_dec(&aesContext, cc->remoteSymEncryptingKey.data, keylength);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString ivCopy;
    UA_StatusCode retval = UA_ByteString_copy(&cc->remoteSymIv, &ivCopy);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    mbedErr = mbedtls_aes_crypt_cbc(&aesContext, MBEDTLS_AES_DECRYPT, data->length,
                                    ivCopy.data, data->data, data->data);
    if(mbedErr)
        retval = UA_STATUSCODE_BADINTERNALERROR;
    UA_ByteString_clear(&ivCopy);
    return retval;
}

static UA_StatusCode
sym_generateKey_sp_aes128sha256rsaoaep(void *policyContext, const UA_ByteString *secret,
                                       const UA_ByteString *seed, UA_ByteString *out) {
    if(secret == NULL || seed == NULL || out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Aes128Sha256PsaOaep_PolicyContext *pc = (Aes128Sha256PsaOaep_PolicyContext *)policyContext;
    return mbedtls_generateKey(&pc->sha256MdContext, secret, seed, out);
}

static UA_StatusCode
sym_generateNonce_sp_aes128sha256rsaoaep(void *policyContext, UA_ByteString *out) {
    if(out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;
    Aes128Sha256PsaOaep_PolicyContext *pc =
        (Aes128Sha256PsaOaep_PolicyContext *)policyContext;
    int mbedErr = mbedtls_ctr_drbg_random(&pc->drbgContext, out->data, out->length);
    if(mbedErr)
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    return UA_STATUSCODE_GOOD;
}

/*****************/
/* ChannelModule */
/*****************/

/* Assumes that the certificate has been verified externally */
static UA_StatusCode
parseRemoteCertificate_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                              const UA_ByteString *remoteCertificate) {
    if(remoteCertificate == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Parse the certificate */
    int mbedErr = mbedtls_x509_crt_parse(&cc->remoteCertificate, remoteCertificate->data,
                                         remoteCertificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    /* Check the key length */
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(cc->remoteCertificate.pk);
    if(rsaContext->len < UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MINASYMKEYLENGTH ||
       rsaContext->len > UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MAXASYMKEYLENGTH)
#else
    size_t keylen = mbedtls_rsa_get_len(mbedtls_pk_rsa(cc->remoteCertificate.pk));
    if(keylen < UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MINASYMKEYLENGTH ||
       keylen > UA_SECURITYPOLICY_AES128SHA256RSAOAEP_MAXASYMKEYLENGTH)
#endif
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;

    return UA_STATUSCODE_GOOD;
}

static void
channelContext_deleteContext_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc) {
    UA_ByteString_clear(&cc->localSymSigningKey);
    UA_ByteString_clear(&cc->localSymEncryptingKey);
    UA_ByteString_clear(&cc->localSymIv);

    UA_ByteString_clear(&cc->remoteSymSigningKey);
    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    UA_ByteString_clear(&cc->remoteSymIv);

    mbedtls_x509_crt_free(&cc->remoteCertificate);

    UA_free(cc);
}

static UA_StatusCode
channelContext_newContext_sp_aes128sha256rsaoaep(const UA_SecurityPolicy *securityPolicy,
                                                 const UA_ByteString *remoteCertificate,
                                                 void **pp_contextData) {
    if(securityPolicy == NULL || remoteCertificate == NULL || pp_contextData == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Allocate the channel context */
    *pp_contextData = UA_malloc(sizeof(Aes128Sha256PsaOaep_ChannelContext));
    if(*pp_contextData == NULL)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    Aes128Sha256PsaOaep_ChannelContext *cc = (Aes128Sha256PsaOaep_ChannelContext *)*pp_contextData;

    /* Initialize the channel context */
    cc->policyContext = (Aes128Sha256PsaOaep_PolicyContext *)securityPolicy->policyContext;

    UA_ByteString_init(&cc->localSymSigningKey);
    UA_ByteString_init(&cc->localSymEncryptingKey);
    UA_ByteString_init(&cc->localSymIv);

    UA_ByteString_init(&cc->remoteSymSigningKey);
    UA_ByteString_init(&cc->remoteSymEncryptingKey);
    UA_ByteString_init(&cc->remoteSymIv);

    mbedtls_x509_crt_init(&cc->remoteCertificate);

    // TODO: this can be optimized so that we dont allocate memory before parsing the certificate
    UA_StatusCode retval = parseRemoteCertificate_sp_aes128sha256rsaoaep(cc, remoteCertificate);
    if(retval != UA_STATUSCODE_GOOD) {
        channelContext_deleteContext_sp_aes128sha256rsaoaep(cc);
        *pp_contextData = NULL;
    }
    return retval;
}

static UA_StatusCode
channelContext_setLocalSymEncryptingKey_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                                               const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->localSymEncryptingKey);
}

static UA_StatusCode
channelContext_setLocalSymSigningKey_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                                            const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymSigningKey);
    return UA_ByteString_copy(key, &cc->localSymSigningKey);
}


static UA_StatusCode
channelContext_setLocalSymIv_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                                    const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->localSymIv);
    return UA_ByteString_copy(iv, &cc->localSymIv);
}

static UA_StatusCode
channelContext_setRemoteSymEncryptingKey_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                                                const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymEncryptingKey);
    return UA_ByteString_copy(key, &cc->remoteSymEncryptingKey);
}

static UA_StatusCode
channelContext_setRemoteSymSigningKey_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                                             const UA_ByteString *key) {
    if(key == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymSigningKey);
    return UA_ByteString_copy(key, &cc->remoteSymSigningKey);
}

static UA_StatusCode
channelContext_setRemoteSymIv_sp_aes128sha256rsaoaep(Aes128Sha256PsaOaep_ChannelContext *cc,
                                                     const UA_ByteString *iv) {
    if(iv == NULL || cc == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    UA_ByteString_clear(&cc->remoteSymIv);
    return UA_ByteString_copy(iv, &cc->remoteSymIv);
}

static UA_StatusCode
channelContext_compareCertificate_sp_aes128sha256rsaoaep(const Aes128Sha256PsaOaep_ChannelContext *cc,
                                                         const UA_ByteString *certificate) {
    if(cc == NULL || certificate == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    mbedtls_x509_crt cert;
    mbedtls_x509_crt_init(&cert);
    int mbedErr = mbedtls_x509_crt_parse(&cert, certificate->data, certificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(cert.raw.len != cc->remoteCertificate.raw.len ||
       memcmp(cert.raw.p, cc->remoteCertificate.raw.p, cert.raw.len) != 0)
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    mbedtls_x509_crt_free(&cert);
    return retval;
}

static void
clear_sp_aes128sha256rsaoaep(UA_SecurityPolicy *securityPolicy) {
    if(securityPolicy == NULL)
        return;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    if(securityPolicy->policyContext == NULL)
        return;

    /* delete all allocated members in the context */
    Aes128Sha256PsaOaep_PolicyContext *pc = (Aes128Sha256PsaOaep_PolicyContext *)
        securityPolicy->policyContext;

    mbedtls_ctr_drbg_free(&pc->drbgContext);
    mbedtls_entropy_free(&pc->entropyContext);
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_md_free(&pc->sha256MdContext);
    UA_ByteString_clear(&pc->localCertThumbprint);

    UA_LOG_DEBUG(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Deleted members of EndpointContext for sp_aes128sha256rsaoaep");

    UA_free(pc);
    securityPolicy->policyContext = NULL;
}

static UA_StatusCode
updateCertificateAndPrivateKey_sp_aes128sha256rsaoaep(UA_SecurityPolicy *securityPolicy,
                                                      const UA_ByteString newCertificate,
                                                      const UA_ByteString newPrivateKey) {
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(securityPolicy->policyContext == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    Aes128Sha256PsaOaep_PolicyContext *pc =
            (Aes128Sha256PsaOaep_PolicyContext *) securityPolicy->policyContext;

    UA_ByteString_clear(&securityPolicy->localCertificate);

    UA_StatusCode retval = UA_ByteString_allocBuffer(&securityPolicy->localCertificate,
                                                     newCertificate.length + 1);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    memcpy(securityPolicy->localCertificate.data, newCertificate.data, newCertificate.length);
    securityPolicy->localCertificate.data[newCertificate.length] = '\0';
    securityPolicy->localCertificate.length--;

    /* Set the new private key */
    mbedtls_pk_free(&pc->localPrivateKey);
    mbedtls_pk_init(&pc->localPrivateKey);
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    int mbedErr = mbedtls_pk_parse_key(&pc->localPrivateKey, newPrivateKey.data,
                                       newPrivateKey.length, NULL, 0);
#else
    int mbedErr = mbedtls_pk_parse_key(&pc->localPrivateKey, newPrivateKey.data,
                                       newPrivateKey.length, NULL, 0, mbedtls_entropy_func, &pc->drbgContext);
#endif
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    retval = asym_makeThumbprint_sp_aes128sha256rsaoaep(securityPolicy,
                                                        &securityPolicy->localCertificate,
                                                        &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return retval;

    error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not update certificate and private key");
    if(securityPolicy->policyContext != NULL)
        clear_sp_aes128sha256rsaoaep(securityPolicy);
    return retval;
}

static UA_StatusCode
policyContext_newContext_sp_aes128sha256rsaoaep(UA_SecurityPolicy *securityPolicy,
                                                const UA_ByteString localPrivateKey) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(securityPolicy == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if (localPrivateKey.length == 0) {
        UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                     "Can not initialize security policy. Private key is empty.");
        return UA_STATUSCODE_BADINVALIDARGUMENT;
    }

    Aes128Sha256PsaOaep_PolicyContext *pc = (Aes128Sha256PsaOaep_PolicyContext *)
        UA_malloc(sizeof(Aes128Sha256PsaOaep_PolicyContext));
    securityPolicy->policyContext = (void *)pc;
    if(!pc) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    /* Initialize the PolicyContext */
    memset(pc, 0, sizeof(Aes128Sha256PsaOaep_PolicyContext));
    mbedtls_ctr_drbg_init(&pc->drbgContext);
    mbedtls_entropy_init(&pc->entropyContext);
    mbedtls_pk_init(&pc->localPrivateKey);
    mbedtls_md_init(&pc->sha256MdContext);

    /* Initialized the message digest */
    const mbedtls_md_info_t *const mdInfo = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256);
    int mbedErr = mbedtls_md_setup(&pc->sha256MdContext, mdInfo, MBEDTLS_MD_SHA256);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADOUTOFMEMORY;
        goto error;
    }

    mbedErr = mbedtls_entropy_self_test(0);

    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Seed the RNG */
    char *personalization = "open62541-drbg";
    mbedErr = mbedtls_ctr_drbg_seed(&pc->drbgContext, mbedtls_entropy_func,
                                    &pc->entropyContext,
                                    (const unsigned char *)personalization, 14);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the private key */
    mbedErr = UA_mbedTLS_LoadPrivateKey(&localPrivateKey, &pc->localPrivateKey, &pc->entropyContext);
    if(mbedErr) {
        retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        goto error;
    }

    /* Set the local certificate thumbprint */
    retval = UA_ByteString_allocBuffer(&pc->localCertThumbprint, UA_SHA1_LENGTH);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;
    retval = asym_makeThumbprint_sp_aes128sha256rsaoaep(securityPolicy,
                                                        &securityPolicy->localCertificate,
                                                        &pc->localCertThumbprint);
    if(retval != UA_STATUSCODE_GOOD)
        goto error;

    return UA_STATUSCODE_GOOD;

error:
    UA_LOG_ERROR(securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY,
                 "Could not create securityContext: %s", UA_StatusCode_name(retval));
    if(securityPolicy->policyContext != NULL)
        clear_sp_aes128sha256rsaoaep(securityPolicy);
    return retval;
}

UA_StatusCode
UA_SecurityPolicy_Aes128Sha256RsaOaep(UA_SecurityPolicy *policy, const UA_ByteString localCertificate,
                                 const UA_ByteString localPrivateKey, const UA_Logger *logger) {
    memset(policy, 0, sizeof(UA_SecurityPolicy));
    policy->logger = logger;

    policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#Aes128_Sha256_RsaOaep");

    UA_SecurityPolicyAsymmetricModule *const asymmetricModule = &policy->asymmetricModule;
    UA_SecurityPolicySymmetricModule *const symmetricModule = &policy->symmetricModule;
    UA_SecurityPolicyChannelModule *const channelModule = &policy->channelModule;

    UA_StatusCode retval = UA_mbedTLS_LoadLocalCertificate(&localCertificate, &policy->localCertificate);

    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    /* AsymmetricModule */
    UA_SecurityPolicySignatureAlgorithm *asym_signatureAlgorithm =
        &asymmetricModule->cryptoModule.signatureAlgorithm;
    asym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2001/04/xmldsig-more#rsa-sha256\0");
    asym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *, const UA_ByteString *))asym_verify_sp_aes128sha256rsaoaep;
    asym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))asym_sign_sp_aes128sha256rsaoaep;
    asym_signatureAlgorithm->getLocalSignatureSize =
        (size_t (*)(const void *))asym_getLocalSignatureSize_sp_aes128sha256rsaoaep;
    asym_signatureAlgorithm->getRemoteSignatureSize =
        (size_t (*)(const void *))asym_getRemoteSignatureSize_sp_aes128sha256rsaoaep;
    asym_signatureAlgorithm->getLocalKeyLength = NULL; // TODO: Write function
    asym_signatureAlgorithm->getRemoteKeyLength = NULL; // TODO: Write function

    UA_SecurityPolicyEncryptionAlgorithm *asym_encryptionAlgorithm =
        &asymmetricModule->cryptoModule.encryptionAlgorithm;
    asym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#rsa-oaep\0");
    asym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))asym_encrypt_sp_aes128sha256rsaoaep;
    asym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *)) asym_decrypt_sp_aes128sha256rsaoaep;
    asym_encryptionAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))asym_getLocalEncryptionKeyLength_sp_aes128sha256rsaoaep;
    asym_encryptionAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))asym_getRemoteEncryptionKeyLength_sp_aes128sha256rsaoaep;
    asym_encryptionAlgorithm->getRemoteBlockSize = (size_t (*)(const void *))asym_getRemoteBlockSize_sp_aes128sha256rsaoaep;
    asym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))asym_getRemotePlainTextBlockSize_sp_aes128sha256rsaoaep;

    asymmetricModule->makeCertificateThumbprint = asym_makeThumbprint_sp_aes128sha256rsaoaep;
    asymmetricModule->compareCertificateThumbprint =
        asymmetricModule_compareCertificateThumbprint_sp_aes128sha256rsaoaep;

    /* SymmetricModule */
    symmetricModule->generateKey = sym_generateKey_sp_aes128sha256rsaoaep;
    symmetricModule->generateNonce = sym_generateNonce_sp_aes128sha256rsaoaep;

    UA_SecurityPolicySignatureAlgorithm *sym_signatureAlgorithm =
        &symmetricModule->cryptoModule.signatureAlgorithm;
    sym_signatureAlgorithm->uri =
        UA_STRING("http://www.w3.org/2000/09/xmldsig#hmac-sha1\0");
    sym_signatureAlgorithm->verify =
        (UA_StatusCode (*)(void *, const UA_ByteString *, const UA_ByteString *))sym_verify_sp_aes128sha256rsaoaep;
    sym_signatureAlgorithm->sign =
        (UA_StatusCode (*)(void *, const UA_ByteString *, UA_ByteString *))sym_sign_sp_aes128sha256rsaoaep;
    sym_signatureAlgorithm->getLocalSignatureSize = sym_getSignatureSize_sp_aes128sha256rsaoaep;
    sym_signatureAlgorithm->getRemoteSignatureSize = sym_getSignatureSize_sp_aes128sha256rsaoaep;
    sym_signatureAlgorithm->getLocalKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_aes128sha256rsaoaep;
    sym_signatureAlgorithm->getRemoteKeyLength =
        (size_t (*)(const void *))sym_getSigningKeyLength_sp_aes128sha256rsaoaep;

    UA_SecurityPolicyEncryptionAlgorithm *sym_encryptionAlgorithm =
        &symmetricModule->cryptoModule.encryptionAlgorithm;
    sym_encryptionAlgorithm->uri = UA_STRING("http://www.w3.org/2001/04/xmlenc#aes128-cbc");
    sym_encryptionAlgorithm->encrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_encrypt_sp_aes128sha256rsaoaep;
    sym_encryptionAlgorithm->decrypt =
        (UA_StatusCode(*)(void *, UA_ByteString *))sym_decrypt_sp_aes128sha256rsaoaep;
    sym_encryptionAlgorithm->getLocalKeyLength = sym_getEncryptionKeyLength_sp_aes128sha256rsaoaep;
    sym_encryptionAlgorithm->getRemoteKeyLength = sym_getEncryptionKeyLength_sp_aes128sha256rsaoaep;
    sym_encryptionAlgorithm->getRemoteBlockSize =
        (size_t (*)(const void *))sym_getEncryptionBlockSize_sp_aes128sha256rsaoaep;
    sym_encryptionAlgorithm->getRemotePlainTextBlockSize =
        (size_t (*)(const void *))sym_getPlainTextBlockSize_sp_aes128sha256rsaoaep;
    symmetricModule->secureChannelNonceLength = 32;

    // Use the same signature algorithm as the asymmetric component for certificate signing (see standard)
    policy->certificateSigningAlgorithm = policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    /* ChannelModule */
    channelModule->newContext = channelContext_newContext_sp_aes128sha256rsaoaep;
    channelModule->deleteContext = (void (*)(void *))
        channelContext_deleteContext_sp_aes128sha256rsaoaep;

    channelModule->setLocalSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymEncryptingKey_sp_aes128sha256rsaoaep;
    channelModule->setLocalSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymSigningKey_sp_aes128sha256rsaoaep;
    channelModule->setLocalSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setLocalSymIv_sp_aes128sha256rsaoaep;

    channelModule->setRemoteSymEncryptingKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymEncryptingKey_sp_aes128sha256rsaoaep;
    channelModule->setRemoteSymSigningKey = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymSigningKey_sp_aes128sha256rsaoaep;
    channelModule->setRemoteSymIv = (UA_StatusCode (*)(void *, const UA_ByteString *))
        channelContext_setRemoteSymIv_sp_aes128sha256rsaoaep;

    channelModule->compareCertificate = (UA_StatusCode (*)(const void *, const UA_ByteString *))
        channelContext_compareCertificate_sp_aes128sha256rsaoaep;

    policy->updateCertificateAndPrivateKey = updateCertificateAndPrivateKey_sp_aes128sha256rsaoaep;
    policy->clear = clear_sp_aes128sha256rsaoaep;

    UA_StatusCode res = policyContext_newContext_sp_aes128sha256rsaoaep(policy, localPrivateKey);
    if(res != UA_STATUSCODE_GOOD)
        clear_sp_aes128sha256rsaoaep(policy);

    return res;
}

#endif

/**** amalgamated original file "/plugins/crypto/mbedtls/ua_pki_mbedtls.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2019 (c) Julius Pfrommer, Fraunhofer IOSB
 */


#ifdef UA_ENABLE_ENCRYPTION_MBEDTLS

#include <mbedtls/x509.h>
#include <mbedtls/x509_crt.h>
#include <mbedtls/error.h>
#include <mbedtls/version.h>

#define REMOTECERTIFICATETRUSTED 1
#define ISSUERKNOWN              2
#define DUALPARENT               3
#define PARENTFOUND              4

/* Find binary substring. Taken and adjusted from
 * http://tungchingkai.blogspot.com/2011/07/binary-strstr.html */

static const unsigned char *
bstrchr(const unsigned char *s, const unsigned char ch, size_t l) {
    /* find first occurrence of c in char s[] for length l*/
    for(; l > 0; ++s, --l) {
        if(*s == ch)
            return s;
    }
    return NULL;
}

static const unsigned char *
UA_Bstrstr(const unsigned char *s1, size_t l1, const unsigned char *s2, size_t l2) {
    /* find first occurrence of s2[] in s1[] for length l1*/
    const unsigned char *ss1 = s1;
    const unsigned char *ss2 = s2;
    /* handle special case */
    if(l1 == 0)
        return (NULL);
    if(l2 == 0)
        return s1;

    /* match prefix */
    for (; (s1 = bstrchr(s1, *s2, (uintptr_t)ss1-(uintptr_t)s1+(uintptr_t)l1)) != NULL &&
             (uintptr_t)ss1-(uintptr_t)s1+(uintptr_t)l1 != 0; ++s1) {

        /* match rest of prefix */
        const unsigned char *sc1, *sc2;
        for (sc1 = s1, sc2 = s2; ;)
            if (++sc2 >= ss2+l2)
                return s1;
            else if (*++sc1 != *sc2)
                break;
    }
    return NULL;
}

// mbedTLS expects PEM data to be null terminated
// The data length parameter must include the null terminator
static UA_ByteString copyDataFormatAware(const UA_ByteString *data)
{
    UA_ByteString result;
    UA_ByteString_init(&result);

    if (!data->length)
        return result;

    if (data->length && data->data[0] == '-') {
        UA_ByteString_allocBuffer(&result, data->length + 1);
        memcpy(result.data, data->data, data->length);
        result.data[data->length] = '\0';
    } else {
        UA_ByteString_copy(data, &result);
    }

    return result;
}

typedef struct {
    /* If the folders are defined, we use them to reload the certificates during
     * runtime */
    UA_String trustListFolder;
    UA_String issuerListFolder;
    UA_String revocationListFolder;

    mbedtls_x509_crt certificateTrustList;
    mbedtls_x509_crt certificateIssuerList;
    mbedtls_x509_crl certificateRevocationList;
} CertInfo;

#ifdef __linux__ /* Linux only so far */

#include <dirent.h>
#include <limits.h>

static UA_StatusCode
fileNamesFromFolder(const UA_String *folder, size_t *pathsSize, UA_String **paths) {
    char buf[PATH_MAX + 1];
    if(folder->length > PATH_MAX)
        return UA_STATUSCODE_BADINTERNALERROR;

    memcpy(buf, folder->data, folder->length);
    buf[folder->length] = 0;
    
    DIR *dir = opendir(buf);
    if(!dir)
        return UA_STATUSCODE_BADINTERNALERROR;

    *paths = (UA_String*)UA_Array_new(256, &UA_TYPES[UA_TYPES_STRING]);
    if(*paths == NULL) {
        closedir(dir);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    struct dirent *ent;
    char buf2[PATH_MAX + 1];
    char *res = realpath(buf, buf2);
    if(!res) {
        closedir(dir);
        return UA_STATUSCODE_BADINTERNALERROR;
    }
    size_t pathlen = strlen(buf2);
    *pathsSize = 0;
    while((ent = readdir (dir)) != NULL && *pathsSize < 256) {
        if(ent->d_type != DT_REG)
            continue;
        buf2[pathlen] = '/';
        buf2[pathlen+1] = 0;
        strcat(buf2, ent->d_name);
        (*paths)[*pathsSize] = UA_STRING_ALLOC(buf2);
        *pathsSize += 1;
    }
    closedir(dir);

    if(*pathsSize == 0) {
        UA_free(*paths);
        *paths = NULL;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
reloadCertificates(CertInfo *ci) {
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    int err = 0;
    int internalErrorFlag = 0;

    /* Load the trustlists */
    if(ci->trustListFolder.length > 0) {
        UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Reloading the trust-list");
        mbedtls_x509_crt_free(&ci->certificateTrustList);
        mbedtls_x509_crt_init(&ci->certificateTrustList);

        char f[PATH_MAX];
        memcpy(f, ci->trustListFolder.data, ci->trustListFolder.length);
        f[ci->trustListFolder.length] = 0;
        err = mbedtls_x509_crt_parse_path(&ci->certificateTrustList, f);
        if(err == 0) {
            UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                        "Loaded certificate from %s", f);
        } else {
            char errBuff[300];
            mbedtls_strerror(err, errBuff, 300);
            UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                        "Failed to load certificate from %s, mbedTLS error: %s (error code: %d)", f, errBuff, err);
            internalErrorFlag = 1;
        }
    }

    /* Load the revocationlists */
    if(ci->revocationListFolder.length > 0) {
        UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Reloading the revocation-list");
        size_t pathsSize = 0;
        UA_String *paths = NULL;
        retval = fileNamesFromFolder(&ci->revocationListFolder, &pathsSize, &paths);
        if(retval != UA_STATUSCODE_GOOD)
            return retval;
        mbedtls_x509_crl_free(&ci->certificateRevocationList);
        mbedtls_x509_crl_init(&ci->certificateRevocationList);
        for(size_t i = 0; i < pathsSize; i++) {
            char f[PATH_MAX];
            memcpy(f, paths[i].data, paths[i].length);
            f[paths[i].length] = 0;
            err = mbedtls_x509_crl_parse_file(&ci->certificateRevocationList, f);
            if(err == 0) {
                UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Loaded certificate from %.*s",
                            (int)paths[i].length, paths[i].data);
            } else {
                char errBuff[300];
                mbedtls_strerror(err, errBuff, 300);
                UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                            "Failed to load certificate from %.*s, mbedTLS error: %s (error code: %d)",
                            (int)paths[i].length, paths[i].data, errBuff, err);
                internalErrorFlag = 1;
            }
        }
        UA_Array_delete(paths, pathsSize, &UA_TYPES[UA_TYPES_STRING]);
        paths = NULL;
        pathsSize = 0;
    }

    /* Load the issuerlists */
    if(ci->issuerListFolder.length > 0) {
        UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Reloading the issuer-list");
        mbedtls_x509_crt_free(&ci->certificateIssuerList);
        mbedtls_x509_crt_init(&ci->certificateIssuerList);
        char f[PATH_MAX];
        memcpy(f, ci->issuerListFolder.data, ci->issuerListFolder.length);
        f[ci->issuerListFolder.length] = 0;
        err = mbedtls_x509_crt_parse_path(&ci->certificateIssuerList, f);
        if(err == 0) {
            UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                        "Loaded certificate from %s", f);
        } else {
            char errBuff[300];
            mbedtls_strerror(err, errBuff, 300);
            UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                        "Failed to load certificate from %s, mbedTLS error: %s (error code: %d)", 
                        f, errBuff, err);
            internalErrorFlag = 1;
        }
    }

    if(internalErrorFlag) {
        retval = UA_STATUSCODE_BADINTERNALERROR;
    }
    return retval;
}

#endif

static UA_StatusCode
certificateVerification_verify(void *verificationContext,
                               const UA_ByteString *certificate) {
    CertInfo *ci = (CertInfo*)verificationContext;
    if(!ci)
        return UA_STATUSCODE_BADINTERNALERROR;

#ifdef __linux__ /* Reload certificates if folder paths are specified */
    UA_StatusCode certFlag = reloadCertificates(ci);
    if(certFlag != UA_STATUSCODE_GOOD) {
        return certFlag;
    }
#endif

    if(ci->trustListFolder.length == 0 &&
       ci->issuerListFolder.length == 0 &&
       ci->revocationListFolder.length == 0 &&
       ci->certificateTrustList.raw.len == 0 &&
       ci->certificateIssuerList.raw.len == 0 &&
       ci->certificateRevocationList.raw.len == 0) {
        UA_LOG_WARNING(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
                       "PKI plugin unconfigured. Accepting the certificate.");
        return UA_STATUSCODE_GOOD;
    }

    /* Parse the certificate */
    mbedtls_x509_crt remoteCertificate;

    /* Temporary Object to parse the trustList */
    mbedtls_x509_crt *tempCert = NULL;

    /* Temporary Object to parse the revocationList */
    mbedtls_x509_crl *tempCrl = NULL;

    /* Temporary Object to identify the parent CA when there is no intermediate CA */
    mbedtls_x509_crt *parentCert = NULL;

    /* Temporary Object to identify the parent CA when there is intermediate CA */
    mbedtls_x509_crt *parentCert_2 = NULL;

    /* Flag value to identify if the issuer certificate is found */
    int issuerKnown = 0;

    /* Flag value to identify if the parent certificate found */
    int parentFound = 0;

    mbedtls_x509_crt_init(&remoteCertificate);
    int mbedErr = mbedtls_x509_crt_parse(&remoteCertificate, certificate->data,
                                         certificate->length);
    if(mbedErr) {
        /* char errBuff[300]; */
        /* mbedtls_strerror(mbedErr, errBuff, 300); */
        /* UA_LOG_WARNING(data->policyContext->securityPolicy->logger, UA_LOGCATEGORY_SECURITYPOLICY, */
        /*                "Could not parse the remote certificate with error: %s", errBuff); */
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    }

    /* Verify */
    mbedtls_x509_crt_profile crtProfile = {
        MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1) | MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA256),
        0xFFFFFF, 0x000000, 128 * 8 // in bits
    }; // TODO: remove magic numbers

    uint32_t flags = 0;
    mbedErr = mbedtls_x509_crt_verify_with_profile(&remoteCertificate,
                                                   &ci->certificateTrustList,
                                                   &ci->certificateRevocationList,
                                                   &crtProfile, NULL, &flags, NULL, NULL);

    /* Flag to check if the remote certificate is trusted or not */
    int TRUSTED = 0;

    /* Check if the remoteCertificate is present in the trustList while mbedErr value is not zero */
    if(mbedErr && !(flags & MBEDTLS_X509_BADCERT_EXPIRED) && !(flags & MBEDTLS_X509_BADCERT_FUTURE)) {
        for(tempCert = &ci->certificateTrustList; tempCert != NULL; tempCert = tempCert->next) {
            if(remoteCertificate.raw.len == tempCert->raw.len &&
               memcmp(remoteCertificate.raw.p, tempCert->raw.p, remoteCertificate.raw.len) == 0) {
                TRUSTED = REMOTECERTIFICATETRUSTED;
                break;
            }
        }
    }

    /* If the remote certificate is present in the trustList then check if the issuer certificate
     * of remoteCertificate is present in issuerList */
    if(TRUSTED && mbedErr) {
        mbedErr = mbedtls_x509_crt_verify_with_profile(&remoteCertificate,
                                                       &ci->certificateIssuerList,
                                                       &ci->certificateRevocationList,
                                                       &crtProfile, NULL, &flags, NULL, NULL);

        /* Check if the parent certificate has a CRL file available */
        if(!mbedErr) {
            /* Flag value to identify if that there is an intermediate CA present */
            int dualParent = 0;

            /* Identify the topmost parent certificate for the remoteCertificate */
            for(parentCert = &ci->certificateIssuerList; parentCert != NULL; parentCert = parentCert->next ) {
                if(memcmp(remoteCertificate.issuer_raw.p, parentCert->subject_raw.p, parentCert->subject_raw.len) == 0) {
                    for(parentCert_2 = &ci->certificateTrustList; parentCert_2 != NULL; parentCert_2 = parentCert_2->next) {
                        if(memcmp(parentCert->issuer_raw.p, parentCert_2->subject_raw.p, parentCert_2->subject_raw.len) == 0) {
                            dualParent = DUALPARENT;
                            break;
                        }
                    }
                    parentFound = PARENTFOUND;
                }

                if(parentFound == PARENTFOUND)
                    break;
            }

            /* Check if there is an intermediate certificate between the topmost parent
             * certificate and child certificate
             * If yes the topmost parent certificate is to be checked whether it has a
             * CRL file avaiable */
            if(dualParent == DUALPARENT && parentFound == PARENTFOUND) {
                parentCert = parentCert_2;
            }

            /* If a parent certificate is found traverse the revocationList and identify
             * if there is any CRL file that corresponds to the parentCertificate */
            if(parentFound == PARENTFOUND) {
                tempCrl = &ci->certificateRevocationList;
                while(tempCrl != NULL) {
                    if(tempCrl->version != 0 &&
                       tempCrl->issuer_raw.len == parentCert->subject_raw.len &&
                       memcmp(tempCrl->issuer_raw.p,
                              parentCert->subject_raw.p,
                              tempCrl->issuer_raw.len) == 0) {
                        issuerKnown = ISSUERKNOWN;
                        break;
                    }

                    tempCrl = tempCrl->next;
                }

                /* If the CRL file corresponding to the parent certificate is not present
                 * then return UA_STATUSCODE_BADCERTIFICATEISSUERREVOCATIONUNKNOWN */
                if(!issuerKnown) {
                    return UA_STATUSCODE_BADCERTIFICATEISSUERREVOCATIONUNKNOWN;
                }

            }

        }

    }
    else if(!mbedErr && !TRUSTED) {
        /* This else if section is to identify if the parent certificate which is present in trustList
         * has CRL file corresponding to it */

        /* Identify the parent certificate of the remoteCertificate */
        for(parentCert = &ci->certificateTrustList; parentCert != NULL; parentCert = parentCert->next) {
            if(memcmp(remoteCertificate.issuer_raw.p, parentCert->subject_raw.p, parentCert->subject_raw.len) == 0) {
                parentFound = PARENTFOUND;
                break;
            }

        }

        /* If the parent certificate is found traverse the revocationList and identify
         * if there is any CRL file that corresponds to the parentCertificate */
        if(parentFound == PARENTFOUND &&
            memcmp(remoteCertificate.issuer_raw.p, remoteCertificate.subject_raw.p, remoteCertificate.subject_raw.len) != 0) {
            tempCrl = &ci->certificateRevocationList;
            while(tempCrl != NULL) {
                if(tempCrl->version != 0 &&
                   tempCrl->issuer_raw.len == parentCert->subject_raw.len &&
                   memcmp(tempCrl->issuer_raw.p,
                          parentCert->subject_raw.p,
                          tempCrl->issuer_raw.len) == 0) {
                    issuerKnown = ISSUERKNOWN;
                    break;
                }

                tempCrl = tempCrl->next;
            }

            /* If the CRL file corresponding to the parent certificate is not present
             * then return UA_STATUSCODE_BADCERTIFICATEREVOCATIONUNKNOWN */
            if(!issuerKnown) {
                return UA_STATUSCODE_BADCERTIFICATEREVOCATIONUNKNOWN;
            }

        }

    }

    // TODO: Extend verification

    /* This condition will check whether the certificate is a User certificate
     * or a CA certificate. If the MBEDTLS_X509_KU_KEY_CERT_SIGN and
     * MBEDTLS_X509_KU_CRL_SIGN of key_usage are set, then the certificate
     * shall be condidered as CA Certificate and cannot be used to establish a
     * connection. Refer the test case CTT/Security/Security Certificate Validation/029.js
     * for more details */
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    if((remoteCertificate.key_usage & MBEDTLS_X509_KU_KEY_CERT_SIGN) &&
       (remoteCertificate.key_usage & MBEDTLS_X509_KU_CRL_SIGN)) {
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;
    }
#else
    if((remoteCertificate.private_key_usage & MBEDTLS_X509_KU_KEY_CERT_SIGN) &&
       (remoteCertificate.private_key_usage & MBEDTLS_X509_KU_CRL_SIGN)) {
        return UA_STATUSCODE_BADCERTIFICATEUSENOTALLOWED;
    }
#endif


    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(mbedErr) {
#if UA_LOGLEVEL <= 400
        char buff[100];
        int len = mbedtls_x509_crt_verify_info(buff, 100, "", flags);
        UA_LOG_WARNING(UA_Log_Stdout, UA_LOGCATEGORY_SECURITYPOLICY,
                       "Verifying the certificate failed with error: %.*s", len-1, buff);
#endif
        if(flags & (uint32_t)MBEDTLS_X509_BADCERT_NOT_TRUSTED) {
            retval = UA_STATUSCODE_BADCERTIFICATEUNTRUSTED;
        } else if(flags & (uint32_t)MBEDTLS_X509_BADCERT_FUTURE ||
                  flags & (uint32_t)MBEDTLS_X509_BADCERT_EXPIRED) {
            retval = UA_STATUSCODE_BADCERTIFICATETIMEINVALID;
        } else if(flags & (uint32_t)MBEDTLS_X509_BADCERT_REVOKED ||
                  flags & (uint32_t)MBEDTLS_X509_BADCRL_EXPIRED) {
            retval = UA_STATUSCODE_BADCERTIFICATEREVOKED;
        } else {
            retval = UA_STATUSCODE_BADSECURITYCHECKSFAILED;
        }
    }

    mbedtls_x509_crt_free(&remoteCertificate);
    return retval;
}

static UA_StatusCode
certificateVerification_verifyApplicationURI(void *verificationContext,
                                             const UA_ByteString *certificate,
                                             const UA_String *applicationURI) {
    CertInfo *ci = (CertInfo*)verificationContext;
    if(!ci)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* Parse the certificate */
    mbedtls_x509_crt remoteCertificate;
    mbedtls_x509_crt_init(&remoteCertificate);
    int mbedErr = mbedtls_x509_crt_parse(&remoteCertificate, certificate->data,
                                         certificate->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

    /* Poor man's ApplicationUri verification. mbedTLS does not parse all fields
     * of the Alternative Subject Name. Instead test whether the URI-string is
     * present in the v3_ext field in general.
     *
     * TODO: Improve parsing of the Alternative Subject Name */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(UA_Bstrstr(remoteCertificate.v3_ext.p, remoteCertificate.v3_ext.len,
               applicationURI->data, applicationURI->length) == NULL)
        retval = UA_STATUSCODE_BADCERTIFICATEURIINVALID;

    mbedtls_x509_crt_free(&remoteCertificate);
    return retval;
}

static void
certificateVerification_clear(UA_CertificateVerification *cv) {
    CertInfo *ci = (CertInfo*)cv->context;
    if(!ci)
        return;
    mbedtls_x509_crt_free(&ci->certificateTrustList);
    mbedtls_x509_crl_free(&ci->certificateRevocationList);
    mbedtls_x509_crt_free(&ci->certificateIssuerList);
    UA_String_clear(&ci->trustListFolder);
    UA_String_clear(&ci->issuerListFolder);
    UA_String_clear(&ci->revocationListFolder);
    UA_free(ci);
    cv->context = NULL;
}

UA_StatusCode
UA_CertificateVerification_Trustlist(UA_CertificateVerification *cv,
                                     const UA_ByteString *certificateTrustList,
                                     size_t certificateTrustListSize,
                                     const UA_ByteString *certificateIssuerList,
                                     size_t certificateIssuerListSize,
                                     const UA_ByteString *certificateRevocationList,
                                     size_t certificateRevocationListSize) {
    CertInfo *ci = (CertInfo*)UA_malloc(sizeof(CertInfo));
    if(!ci)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    memset(ci, 0, sizeof(CertInfo));
    mbedtls_x509_crt_init(&ci->certificateTrustList);
    mbedtls_x509_crl_init(&ci->certificateRevocationList);
    mbedtls_x509_crt_init(&ci->certificateIssuerList);

    cv->context = (void*)ci;
    cv->verifyCertificate = certificateVerification_verify;
    cv->clear = certificateVerification_clear;
    cv->verifyApplicationURI = certificateVerification_verifyApplicationURI;

    int err;
    UA_ByteString data;
    UA_ByteString_init(&data);

    for(size_t i = 0; i < certificateTrustListSize; i++) {
        data = copyDataFormatAware(&certificateTrustList[i]);
        err = mbedtls_x509_crt_parse(&ci->certificateTrustList,
                                     data.data,
                                     data.length);
        UA_ByteString_clear(&data);
        if(err)
            goto error;
    }
    for(size_t i = 0; i < certificateIssuerListSize; i++) {
        data = copyDataFormatAware(&certificateIssuerList[i]);
        err = mbedtls_x509_crt_parse(&ci->certificateIssuerList,
                                     data.data,
                                     data.length);
        UA_ByteString_clear(&data);
        if(err)
            goto error;
    }
    for(size_t i = 0; i < certificateRevocationListSize; i++) {
        data = copyDataFormatAware(&certificateRevocationList[i]);
        err = mbedtls_x509_crl_parse(&ci->certificateRevocationList,
                                     data.data,
                                     data.length);
        UA_ByteString_clear(&data);
        if(err)
            goto error;
    }

    return UA_STATUSCODE_GOOD;
error:
    certificateVerification_clear(cv);
    return UA_STATUSCODE_BADINTERNALERROR;
}

#ifdef __linux__ /* Linux only so far */

UA_StatusCode
UA_CertificateVerification_CertFolders(UA_CertificateVerification *cv,
                                       const char *trustListFolder,
                                       const char *issuerListFolder,
                                       const char *revocationListFolder) {
    CertInfo *ci = (CertInfo*)UA_malloc(sizeof(CertInfo));
    if(!ci)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    memset(ci, 0, sizeof(CertInfo));
    mbedtls_x509_crt_init(&ci->certificateTrustList);
    mbedtls_x509_crl_init(&ci->certificateRevocationList);
    mbedtls_x509_crt_init(&ci->certificateIssuerList);

    /* Only set the folder paths. They will be reloaded during runtime.
     * TODO: Add a more efficient reloading of only the changes */
    ci->trustListFolder = UA_STRING_ALLOC(trustListFolder);
    ci->issuerListFolder = UA_STRING_ALLOC(issuerListFolder);
    ci->revocationListFolder = UA_STRING_ALLOC(revocationListFolder);

    reloadCertificates(ci);

    cv->context = (void*)ci;
    cv->verifyCertificate = certificateVerification_verify;
    cv->clear = certificateVerification_clear;
    cv->verifyApplicationURI = certificateVerification_verifyApplicationURI;

    return UA_STATUSCODE_GOOD;
}

#endif
#endif

/**** amalgamated original file "/plugins/crypto/mbedtls/securitypolicy_mbedtls_common.c" ****/


#if defined(UA_ENABLE_ENCRYPTION_MBEDTLS) || defined(UA_ENABLE_PUBSUB_ENCRYPTION)


#include <mbedtls/aes.h>
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/error.h>
#include <mbedtls/md.h>
#include <mbedtls/sha1.h>
#include <mbedtls/version.h>
#include <mbedtls/x509_crt.h>

void
swapBuffers(UA_ByteString *const bufA, UA_ByteString *const bufB) {
    UA_ByteString tmp = *bufA;
    *bufA = *bufB;
    *bufB = tmp;
}

void
mbedtls_hmac(mbedtls_md_context_t *context, const UA_ByteString *key,
             const UA_ByteString *in, unsigned char *out) {
    mbedtls_md_hmac_starts(context, key->data, key->length);
    mbedtls_md_hmac_update(context, in->data, in->length);
    mbedtls_md_hmac_finish(context, out);
}

UA_StatusCode
mbedtls_generateKey(mbedtls_md_context_t *context,
                    const UA_ByteString *secret, const UA_ByteString *seed,
                    UA_ByteString *out) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    size_t hashLen = (size_t)mbedtls_md_get_size(context->md_info);
#else
    size_t hashLen = (size_t)mbedtls_md_get_size(context->private_md_info);
#endif

    UA_ByteString A_and_seed;
    UA_ByteString_allocBuffer(&A_and_seed, hashLen + seed->length);
    memcpy(A_and_seed.data + hashLen, seed->data, seed->length);

    UA_ByteString ANext_and_seed;
    UA_ByteString_allocBuffer(&ANext_and_seed, hashLen + seed->length);
    memcpy(ANext_and_seed.data + hashLen, seed->data, seed->length);

    UA_ByteString A = {
        hashLen,
        A_and_seed.data
    };

    UA_ByteString ANext = {
        hashLen,
        ANext_and_seed.data
    };

    mbedtls_hmac(context, secret, seed, A.data);

    UA_StatusCode retval = 0;
    for(size_t offset = 0; offset < out->length; offset += hashLen) {
        UA_ByteString outSegment = {
            hashLen,
            out->data + offset
        };
        UA_Boolean bufferAllocated = UA_FALSE;
        // Not enough room in out buffer to write the hash.
        if(offset + hashLen > out->length) {
            outSegment.data = NULL;
            outSegment.length = 0;
            retval = UA_ByteString_allocBuffer(&outSegment, hashLen);
            if(retval != UA_STATUSCODE_GOOD) {
                UA_ByteString_clear(&A_and_seed);
                UA_ByteString_clear(&ANext_and_seed);
                return retval;
            }
            bufferAllocated = UA_TRUE;
        }

        mbedtls_hmac(context, secret, &A_and_seed, outSegment.data);
        mbedtls_hmac(context, secret, &A, ANext.data);

        if(retval != UA_STATUSCODE_GOOD) {
            if(bufferAllocated)
                UA_ByteString_clear(&outSegment);
            UA_ByteString_clear(&A_and_seed);
            UA_ByteString_clear(&ANext_and_seed);
            return retval;
        }

        if(bufferAllocated) {
            memcpy(out->data + offset, outSegment.data, out->length - offset);
            UA_ByteString_clear(&outSegment);
        }

        swapBuffers(&ANext_and_seed, &A_and_seed);
        swapBuffers(&ANext, &A);
    }

    UA_ByteString_clear(&A_and_seed);
    UA_ByteString_clear(&ANext_and_seed);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
mbedtls_verifySig_sha1(mbedtls_x509_crt *certificate, const UA_ByteString *message,
                       const UA_ByteString *signature) {
    /* Compute the sha1 hash */
    unsigned char hash[UA_SHA1_LENGTH];
#if MBEDTLS_VERSION_NUMBER >= 0x02070000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_sha1_ret(message->data, message->length, hash);
#else
    mbedtls_sha1(message->data, message->length, hash);
#endif

    /* Set the RSA settings */
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(certificate->pk);
    if(!rsaContext)
        return UA_STATUSCODE_BADINTERNALERROR;
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE);

    /* Verify */
    int mbedErr = mbedtls_pk_verify(&certificate->pk,
                                    MBEDTLS_MD_SHA1, hash, UA_SHA1_LENGTH,
                                    signature->data, signature->length);
    if(mbedErr)
        return UA_STATUSCODE_BADSECURITYCHECKSFAILED;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
mbedtls_sign_sha1(mbedtls_pk_context *localPrivateKey,
                  mbedtls_ctr_drbg_context *drbgContext,
                  const UA_ByteString *message,
                  UA_ByteString *signature) {
    unsigned char hash[UA_SHA1_LENGTH];
#if MBEDTLS_VERSION_NUMBER >= 0x02070000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_sha1_ret(message->data, message->length, hash);
#else
    mbedtls_sha1(message->data, message->length, hash);
#endif

    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(*localPrivateKey);
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE);

    size_t sigLen = 0;
    int mbedErr = mbedtls_pk_sign(localPrivateKey, MBEDTLS_MD_SHA1, hash,
                                  UA_SHA1_LENGTH, signature->data,
#if MBEDTLS_VERSION_NUMBER >= 0x03000000
                                  signature->length,
#endif
                                  &sigLen,
                                  mbedtls_ctr_drbg_random, drbgContext);
    if(mbedErr)
        return UA_STATUSCODE_BADINTERNALERROR;
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
mbedtls_thumbprint_sha1(const UA_ByteString *certificate,
                        UA_ByteString *thumbprint) {
    if(UA_ByteString_equal(certificate, &UA_BYTESTRING_NULL))
        return UA_STATUSCODE_BADINTERNALERROR;

    if(thumbprint->length != UA_SHA1_LENGTH)
        return UA_STATUSCODE_BADINTERNALERROR;

    /* The certificate thumbprint is always a 20 bit sha1 hash, see Part 4 of the Specification. */
#if MBEDTLS_VERSION_NUMBER >= 0x02070000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    mbedtls_sha1_ret(certificate->data, certificate->length, thumbprint->data);
#else
    mbedtls_sha1(certificate->data, certificate->length, thumbprint->data);
#endif
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
mbedtls_encrypt_rsaOaep(mbedtls_rsa_context *context,
                        mbedtls_ctr_drbg_context *drbgContext,
                        UA_ByteString *data, const size_t plainTextBlockSize) {
    if(data->length % plainTextBlockSize != 0)
        return UA_STATUSCODE_BADINTERNALERROR;

    size_t max_blocks = data->length / plainTextBlockSize;


    UA_ByteString encrypted;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    UA_StatusCode retval = UA_ByteString_allocBuffer(&encrypted, max_blocks * context->len);
#else
    size_t keylen = mbedtls_rsa_get_len(context);
    UA_StatusCode retval = UA_ByteString_allocBuffer(&encrypted, max_blocks * keylen);

#endif

    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    size_t lenDataToEncrypt = data->length;
    size_t inOffset = 0;
    size_t offset = 0;
    const unsigned char *label = NULL;
    while(lenDataToEncrypt >= plainTextBlockSize) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
        int mbedErr = mbedtls_rsa_rsaes_oaep_encrypt(context, mbedtls_ctr_drbg_random,
                                                     drbgContext, MBEDTLS_RSA_PUBLIC,
                                                     label, 0, plainTextBlockSize,
                                                     data->data + inOffset, encrypted.data + offset);
#else
        int mbedErr = mbedtls_rsa_rsaes_oaep_encrypt(context, mbedtls_ctr_drbg_random,
                                                     drbgContext, label, 0, plainTextBlockSize,
                                                     data->data + inOffset, encrypted.data + offset);
#endif

        if(mbedErr) {
            UA_ByteString_clear(&encrypted);
            return UA_STATUSCODE_BADINTERNALERROR;
        }

        inOffset += plainTextBlockSize;
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
        offset += context->len;
#else
        offset += keylen;
#endif
        lenDataToEncrypt -= plainTextBlockSize;
    }

    memcpy(data->data, encrypted.data, offset);
    UA_ByteString_clear(&encrypted);
    return UA_STATUSCODE_GOOD;
}

UA_StatusCode
mbedtls_decrypt_rsaOaep(mbedtls_pk_context *localPrivateKey,
                        mbedtls_ctr_drbg_context *drbgContext,
                        UA_ByteString *data) {
    mbedtls_rsa_context *rsaContext = mbedtls_pk_rsa(*localPrivateKey);
    mbedtls_rsa_set_padding(rsaContext, MBEDTLS_RSA_PKCS_V21, MBEDTLS_MD_SHA1);
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    if(data->length % rsaContext->len != 0)
        return UA_STATUSCODE_BADINTERNALERROR;
#else
    size_t keylen = mbedtls_rsa_get_len(rsaContext);
        if(data->length % keylen != 0)
        return UA_STATUSCODE_BADINTERNALERROR;
#endif

    size_t inOffset = 0;
    size_t outOffset = 0;
    size_t outLength = 0;
    unsigned char buf[512];

    while(inOffset < data->length) {
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
        int mbedErr = mbedtls_rsa_rsaes_oaep_decrypt(rsaContext, mbedtls_ctr_drbg_random,
                                                     drbgContext, MBEDTLS_RSA_PRIVATE,
                                                     NULL, 0, &outLength,
                                                     data->data + inOffset,
                                                     buf, 512);
#else
        int mbedErr = mbedtls_rsa_rsaes_oaep_decrypt(rsaContext, mbedtls_ctr_drbg_random,
                                                     drbgContext,
                                                     NULL, 0, &outLength,
                                                     data->data + inOffset,
                                                     buf, 512);
#endif

        if(mbedErr)
            return UA_STATUSCODE_BADSECURITYCHECKSFAILED;

        memcpy(data->data + outOffset, buf, outLength);
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
        inOffset += rsaContext->len;
#else
        inOffset += keylen;
#endif
        outOffset += outLength;
    }

    data->length = outOffset;
    return UA_STATUSCODE_GOOD;
}

int
UA_mbedTLS_LoadPrivateKey(const UA_ByteString *key, mbedtls_pk_context *target, void *p_rng) {
    UA_ByteString data = UA_mbedTLS_CopyDataFormatAware(key);
#if MBEDTLS_VERSION_NUMBER >= 0x02060000 && MBEDTLS_VERSION_NUMBER < 0x03000000
    int mbedErr = mbedtls_pk_parse_key(target, data.data, data.length, NULL, 0);
#else
    int mbedErr = mbedtls_pk_parse_key(target, data.data, data.length, NULL, 0, mbedtls_entropy_func, p_rng);
#endif
    UA_ByteString_clear(&data);
    return mbedErr;
}

UA_StatusCode
UA_mbedTLS_LoadLocalCertificate(const UA_ByteString *certData,
                                UA_ByteString *target) {
    UA_ByteString data = UA_mbedTLS_CopyDataFormatAware(certData);

    mbedtls_x509_crt cert;
    mbedtls_x509_crt_init(&cert);

    int mbedErr = mbedtls_x509_crt_parse(&cert, data.data, data.length);

    UA_StatusCode result = UA_STATUSCODE_BADINVALIDARGUMENT;

    if (!mbedErr) {
        UA_ByteString tmp;
        tmp.data = cert.raw.p;
        tmp.length = cert.raw.len;

        result = UA_ByteString_copy(&tmp, target);
    } else {
        UA_ByteString_init(target);
    }

    UA_ByteString_clear(&data);
    mbedtls_x509_crt_free(&cert);
    return result;
}

// mbedTLS expects PEM data to be null terminated
// The data length parameter must include the null terminator
UA_ByteString
UA_mbedTLS_CopyDataFormatAware(const UA_ByteString *data) {
    UA_ByteString result;
    UA_ByteString_init(&result);

    if (!data->length)
        return result;

    if (data->length && data->data[0] == '-') {
        UA_ByteString_allocBuffer(&result, data->length + 1);
        memcpy(result.data, data->data, data->length);
        result.data[data->length] = '\0';
    } else {
        UA_ByteString_copy(data, &result);
    }

    return result;
}

#endif

/**** amalgamated original file "/plugins/ua_log_stdout.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2016-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Thomas Stalder, Blue Time Concept SA
 */


#include <stdio.h>

#if UA_MULTITHREADING >= 100
#include <pthread.h>
static pthread_mutex_t printf_mutex = PTHREAD_MUTEX_INITIALIZER;
#endif

/* ANSI escape sequences for color output taken from here:
 * https://stackoverflow.com/questions/3219393/stdlib-and-colored-output-in-c*/

#ifdef UA_ENABLE_LOG_COLORS
# define ANSI_COLOR_RED     "\x1b[31m"
# define ANSI_COLOR_GREEN   "\x1b[32m"
# define ANSI_COLOR_YELLOW  "\x1b[33m"
# define ANSI_COLOR_BLUE    "\x1b[34m"
# define ANSI_COLOR_MAGENTA "\x1b[35m"
# define ANSI_COLOR_CYAN    "\x1b[36m"
# define ANSI_COLOR_RESET   "\x1b[0m"
#else
# define ANSI_COLOR_RED     ""
# define ANSI_COLOR_GREEN   ""
# define ANSI_COLOR_YELLOW  ""
# define ANSI_COLOR_BLUE    ""
# define ANSI_COLOR_MAGENTA ""
# define ANSI_COLOR_CYAN    ""
# define ANSI_COLOR_RESET   ""
#endif

const char *logLevelNames[6] = {"trace", "debug",
                                ANSI_COLOR_GREEN "info",
                                ANSI_COLOR_YELLOW "warn",
                                ANSI_COLOR_RED "error",
                                ANSI_COLOR_MAGENTA "fatal"};
const char *logCategoryNames[7] = {"network", "channel", "session", "server",
                                   "client", "userland", "securitypolicy"};

#ifdef __clang__
__attribute__((__format__(__printf__, 4 , 0)))
#endif
void
UA_Log_Stdout_log(void *context, UA_LogLevel level, UA_LogCategory category,
                  const char *msg, va_list args) {

    /* Assume that context is casted to UA_LogLevel */
    /* TODO we may later change this to a struct with bitfields to filter on category */
    if ( context != NULL && (UA_LogLevel)(uintptr_t)context > level )
        return;

    UA_Int64 tOffset = UA_DateTime_localTimeUtcOffset();
    UA_DateTimeStruct dts = UA_DateTime_toStruct(UA_DateTime_now() + tOffset);

#if UA_MULTITHREADING >= 100
    pthread_mutex_lock(&printf_mutex);
#endif

    printf("[%04u-%02u-%02u %02u:%02u:%02u.%03u (UTC%+05d)] %s/%s" ANSI_COLOR_RESET "\t",
           dts.year, dts.month, dts.day, dts.hour, dts.min, dts.sec, dts.milliSec,
           (int)(tOffset / UA_DATETIME_SEC / 36), logLevelNames[level], logCategoryNames[category]);
    vprintf(msg, args);
    printf("\n");
    fflush(stdout);

#if UA_MULTITHREADING >= 100
    pthread_mutex_unlock(&printf_mutex);
#endif
}

void
UA_Log_Stdout_clear(void *logContext) {

}

const UA_Logger UA_Log_Stdout_ = {UA_Log_Stdout_log, NULL, UA_Log_Stdout_clear};
const UA_Logger *UA_Log_Stdout = &UA_Log_Stdout_;

/* By default the client and server is configured with UA_Log_Stdout
   This constructs a logger with a configurable max log level */

UA_Logger UA_Log_Stdout_withLevel(UA_LogLevel minlevel)
{
    UA_Logger logger = {UA_Log_Stdout_log, (void*)minlevel, UA_Log_Stdout_clear};
    return logger;
}

/**** amalgamated original file "/plugins/ua_accesscontrol_default.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. 
 *
 *    Copyright 2016-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2019 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */


/* Example access control management. Anonymous and username / password login.
 * The access rights are maximally permissive.
 *
 * FOR PRODUCTION USE, THIS EXAMPLE PLUGIN SHOULD BE REPLACED WITH LESS
 * PERMISSIVE ACCESS CONTROL.
 *
 * For TransferSubscriptions, we check whether the transfer happens between
 * Sessions for the same user. */

typedef struct {
    UA_Boolean allowAnonymous;
    size_t usernamePasswordLoginSize;
    UA_UsernamePasswordLogin *usernamePasswordLogin;
    UA_CertificateVerification verifyX509;
} AccessControlContext;

#define ANONYMOUS_POLICY "open62541-anonymous-policy"
#define CERTIFICATE_POLICY "open62541-certificate-policy"
#define USERNAME_POLICY "open62541-username-policy"
const UA_String anonymous_policy = UA_STRING_STATIC(ANONYMOUS_POLICY);
const UA_String certificate_policy = UA_STRING_STATIC(CERTIFICATE_POLICY);
const UA_String username_policy = UA_STRING_STATIC(USERNAME_POLICY);

/************************/
/* Access Control Logic */
/************************/

static UA_StatusCode
activateSession_default(UA_Server *server, UA_AccessControl *ac,
                        const UA_EndpointDescription *endpointDescription,
                        const UA_ByteString *secureChannelRemoteCertificate,
                        const UA_NodeId *sessionId,
                        const UA_ExtensionObject *userIdentityToken,
                        void **sessionContext) {
    AccessControlContext *context = (AccessControlContext*)ac->context;

    /* The empty token is interpreted as anonymous */
    if(userIdentityToken->encoding == UA_EXTENSIONOBJECT_ENCODED_NOBODY) {
        if(!context->allowAnonymous)
            return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

        /* No userdata atm */
        *sessionContext = NULL;
        return UA_STATUSCODE_GOOD;
    }

    /* Could the token be decoded? */
    if(userIdentityToken->encoding < UA_EXTENSIONOBJECT_DECODED)
        return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

    /* Anonymous login */
    if(userIdentityToken->content.decoded.type == &UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN]) {
        if(!context->allowAnonymous)
            return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

        const UA_AnonymousIdentityToken *token = (UA_AnonymousIdentityToken*)
            userIdentityToken->content.decoded.data;

        /* Compatibility notice: Siemens OPC Scout v10 provides an empty
         * policyId. This is not compliant. For compatibility, assume that empty
         * policyId == ANONYMOUS_POLICY */
        if(token->policyId.data && !UA_String_equal(&token->policyId, &anonymous_policy))
            return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

        /* No userdata atm */
        *sessionContext = NULL;
        return UA_STATUSCODE_GOOD;
    }

    /* Username and password */
    if(userIdentityToken->content.decoded.type == &UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN]) {
        const UA_UserNameIdentityToken *userToken =
            (UA_UserNameIdentityToken*)userIdentityToken->content.decoded.data;

        if(!UA_String_equal(&userToken->policyId, &username_policy))
            return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

        /* The userToken has been decrypted by the server before forwarding
         * it to the plugin. This information can be used here. */
        /* if(userToken->encryptionAlgorithm.length > 0) {} */

        /* Empty username and password */
        if(userToken->userName.length == 0 && userToken->password.length == 0)
            return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

        /* Try to match username/pw */
        UA_Boolean match = false;
        for(size_t i = 0; i < context->usernamePasswordLoginSize; i++) {
            if(UA_String_equal(&userToken->userName, &context->usernamePasswordLogin[i].username) &&
               UA_String_equal(&userToken->password, &context->usernamePasswordLogin[i].password)) {
                match = true;
                break;
            }
        }
        if(!match)
            return UA_STATUSCODE_BADUSERACCESSDENIED;

        /* For the CTT, recognize whether two sessions are  */
        UA_ByteString *username = UA_ByteString_new();
        if(username)
            UA_ByteString_copy(&userToken->userName, username);
        *sessionContext = username;
        return UA_STATUSCODE_GOOD;
    }

    /* x509 certificate */
    if(userIdentityToken->content.decoded.type == &UA_TYPES[UA_TYPES_X509IDENTITYTOKEN]) {
        const UA_X509IdentityToken *userToken = (UA_X509IdentityToken*)
            userIdentityToken->content.decoded.data;

        if(!UA_String_equal(&userToken->policyId, &certificate_policy))
            return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

        if(!context->verifyX509.verifyCertificate)
            return UA_STATUSCODE_BADIDENTITYTOKENINVALID;

        return context->verifyX509.
            verifyCertificate(context->verifyX509.context,
                              &userToken->certificateData);
    }

    /* Unsupported token type */
    return UA_STATUSCODE_BADIDENTITYTOKENINVALID;
}

static void
closeSession_default(UA_Server *server, UA_AccessControl *ac,
                     const UA_NodeId *sessionId, void *sessionContext) {
    if(sessionContext)
        UA_ByteString_delete((UA_ByteString*)sessionContext);
}

static UA_UInt32
getUserRightsMask_default(UA_Server *server, UA_AccessControl *ac,
                          const UA_NodeId *sessionId, void *sessionContext,
                          const UA_NodeId *nodeId, void *nodeContext) {
    return 0xFFFFFFFF;
}

static UA_Byte
getUserAccessLevel_default(UA_Server *server, UA_AccessControl *ac,
                           const UA_NodeId *sessionId, void *sessionContext,
                           const UA_NodeId *nodeId, void *nodeContext) {
    return 0xFF;
}

static UA_Boolean
getUserExecutable_default(UA_Server *server, UA_AccessControl *ac,
                          const UA_NodeId *sessionId, void *sessionContext,
                          const UA_NodeId *methodId, void *methodContext) {
    return true;
}

static UA_Boolean
getUserExecutableOnObject_default(UA_Server *server, UA_AccessControl *ac,
                                  const UA_NodeId *sessionId, void *sessionContext,
                                  const UA_NodeId *methodId, void *methodContext,
                                  const UA_NodeId *objectId, void *objectContext) {
    return true;
}

static UA_Boolean
allowAddNode_default(UA_Server *server, UA_AccessControl *ac,
                     const UA_NodeId *sessionId, void *sessionContext,
                     const UA_AddNodesItem *item) {
    return true;
}

static UA_Boolean
allowAddReference_default(UA_Server *server, UA_AccessControl *ac,
                          const UA_NodeId *sessionId, void *sessionContext,
                          const UA_AddReferencesItem *item) {
    return true;
}

static UA_Boolean
allowDeleteNode_default(UA_Server *server, UA_AccessControl *ac,
                        const UA_NodeId *sessionId, void *sessionContext,
                        const UA_DeleteNodesItem *item) {
    return true;
}

static UA_Boolean
allowDeleteReference_default(UA_Server *server, UA_AccessControl *ac,
                             const UA_NodeId *sessionId, void *sessionContext,
                             const UA_DeleteReferencesItem *item) {
    return true;
}

static UA_Boolean
allowBrowseNode_default(UA_Server *server, UA_AccessControl *ac,
                        const UA_NodeId *sessionId, void *sessionContext,
                        const UA_NodeId *nodeId, void *nodeContext) {
    return true;
}

#ifdef UA_ENABLE_SUBSCRIPTIONS
static UA_Boolean
allowTransferSubscription_default(UA_Server *server, UA_AccessControl *ac,
                                  const UA_NodeId *oldSessionId, void *oldSessionContext,
                                  const UA_NodeId *newSessionId, void *newSessionContext) {
    if(oldSessionContext == newSessionContext)
        return true;
    if(oldSessionContext && newSessionContext)
        return UA_ByteString_equal((UA_ByteString*)oldSessionContext,
                                   (UA_ByteString*)newSessionContext);
    return false;
}
#endif

#ifdef UA_ENABLE_HISTORIZING
static UA_Boolean
allowHistoryUpdateUpdateData_default(UA_Server *server, UA_AccessControl *ac,
                                     const UA_NodeId *sessionId, void *sessionContext,
                                     const UA_NodeId *nodeId,
                                     UA_PerformUpdateType performInsertReplace,
                                     const UA_DataValue *value) {
    return true;
}

static UA_Boolean
allowHistoryUpdateDeleteRawModified_default(UA_Server *server, UA_AccessControl *ac,
                                            const UA_NodeId *sessionId, void *sessionContext,
                                            const UA_NodeId *nodeId,
                                            UA_DateTime startTimestamp,
                                            UA_DateTime endTimestamp,
                                            bool isDeleteModified) {
    return true;
}
#endif

/***************************************/
/* Create Delete Access Control Plugin */
/***************************************/

static void clear_default(UA_AccessControl *ac) {
    UA_Array_delete((void*)(uintptr_t)ac->userTokenPolicies,
                    ac->userTokenPoliciesSize,
                    &UA_TYPES[UA_TYPES_USERTOKENPOLICY]);
    ac->userTokenPolicies = NULL;
    ac->userTokenPoliciesSize = 0;

    AccessControlContext *context = (AccessControlContext*)ac->context;

    if (context) {
        for(size_t i = 0; i < context->usernamePasswordLoginSize; i++) {
            UA_String_clear(&context->usernamePasswordLogin[i].username);
            UA_String_clear(&context->usernamePasswordLogin[i].password);
        }
        if(context->usernamePasswordLoginSize > 0)
            UA_free(context->usernamePasswordLogin);

        if(context->verifyX509.clear)
            context->verifyX509.clear(&context->verifyX509);

        UA_free(ac->context);
        ac->context = NULL;
    }
}

UA_StatusCode
UA_AccessControl_default(UA_ServerConfig *config,
                         UA_Boolean allowAnonymous,
                         UA_CertificateVerification *verifyX509,
                         const UA_ByteString *userTokenPolicyUri,
                         size_t usernamePasswordLoginSize,
                         const UA_UsernamePasswordLogin *usernamePasswordLogin) {
    UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_SERVER,
                   "AccessControl: Unconfigured AccessControl. Users have all permissions.");
    UA_AccessControl *ac = &config->accessControl;

    if(ac->clear)
        clear_default(ac);
    
    ac->clear = clear_default;
    ac->activateSession = activateSession_default;
    ac->closeSession = closeSession_default;
    ac->getUserRightsMask = getUserRightsMask_default;
    ac->getUserAccessLevel = getUserAccessLevel_default;
    ac->getUserExecutable = getUserExecutable_default;
    ac->getUserExecutableOnObject = getUserExecutableOnObject_default;
    ac->allowAddNode = allowAddNode_default;
    ac->allowAddReference = allowAddReference_default;
    ac->allowBrowseNode = allowBrowseNode_default;

#ifdef UA_ENABLE_SUBSCRIPTIONS
    ac->allowTransferSubscription = allowTransferSubscription_default;
#endif

#ifdef UA_ENABLE_HISTORIZING
    ac->allowHistoryUpdateUpdateData = allowHistoryUpdateUpdateData_default;
    ac->allowHistoryUpdateDeleteRawModified = allowHistoryUpdateDeleteRawModified_default;
#endif

    ac->allowDeleteNode = allowDeleteNode_default;
    ac->allowDeleteReference = allowDeleteReference_default;

    AccessControlContext *context = (AccessControlContext*)
            UA_malloc(sizeof(AccessControlContext));
    if(!context)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    memset(context, 0, sizeof(AccessControlContext));
    ac->context = context;

    /* Allow anonymous? */
    context->allowAnonymous = allowAnonymous;
    if(allowAnonymous) {
        UA_LOG_INFO(&config->logger, UA_LOGCATEGORY_SERVER,
                    "AccessControl: Anonymous login is enabled");
    }

    /* Allow x509 certificates? Move the plugin over. */
    if(verifyX509) {
        context->verifyX509 = *verifyX509;
        memset(verifyX509, 0, sizeof(UA_CertificateVerification));
    } else {
        memset(&context->verifyX509, 0, sizeof(UA_CertificateVerification));
        UA_LOG_INFO(&config->logger, UA_LOGCATEGORY_SERVER,
                    "AccessControl: x509 certificate user authentication is enabled");
    }

    /* Copy username/password to the access control plugin */
    if(usernamePasswordLoginSize > 0) {
        context->usernamePasswordLogin = (UA_UsernamePasswordLogin*)
            UA_malloc(usernamePasswordLoginSize * sizeof(UA_UsernamePasswordLogin));
        if(!context->usernamePasswordLogin)
            return UA_STATUSCODE_BADOUTOFMEMORY;
        context->usernamePasswordLoginSize = usernamePasswordLoginSize;
        for(size_t i = 0; i < usernamePasswordLoginSize; i++) {
            UA_String_copy(&usernamePasswordLogin[i].username,
                           &context->usernamePasswordLogin[i].username);
            UA_String_copy(&usernamePasswordLogin[i].password,
                           &context->usernamePasswordLogin[i].password);
        }
    }

    /* Set the allowed policies */
    size_t policies = 0;
    if(allowAnonymous)
        policies++;
    if(verifyX509)
        policies++;
    if(usernamePasswordLoginSize > 0)
        policies++;
    ac->userTokenPoliciesSize = 0;
    ac->userTokenPolicies = (UA_UserTokenPolicy *)
        UA_Array_new(policies, &UA_TYPES[UA_TYPES_USERTOKENPOLICY]);
    if(!ac->userTokenPolicies)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    ac->userTokenPoliciesSize = policies;

    policies = 0;
    if(allowAnonymous) {
        ac->userTokenPolicies[policies].tokenType = UA_USERTOKENTYPE_ANONYMOUS;
        ac->userTokenPolicies[policies].policyId = UA_STRING_ALLOC(ANONYMOUS_POLICY);
        policies++;
    }

    if(verifyX509) {
        ac->userTokenPolicies[policies].tokenType = UA_USERTOKENTYPE_CERTIFICATE;
        ac->userTokenPolicies[policies].policyId = UA_STRING_ALLOC(CERTIFICATE_POLICY);
#if UA_LOGLEVEL <= 400
        if(UA_ByteString_equal(userTokenPolicyUri, &UA_SECURITY_POLICY_NONE_URI)) {
            UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_SERVER,
                           "x509 Certificate Authentication configured, "
                           "but no encrypting SecurityPolicy. "
                           "This can leak credentials on the network.");
        }
#endif
        UA_ByteString_copy(userTokenPolicyUri,
                           &ac->userTokenPolicies[policies].securityPolicyUri);
        policies++;
    }

    if(usernamePasswordLoginSize > 0) {
        ac->userTokenPolicies[policies].tokenType = UA_USERTOKENTYPE_USERNAME;
        ac->userTokenPolicies[policies].policyId = UA_STRING_ALLOC(USERNAME_POLICY);
#if UA_LOGLEVEL <= 400
        if(UA_ByteString_equal(userTokenPolicyUri, &UA_SECURITY_POLICY_NONE_URI)) {
            UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_SERVER,
                           "Username/Password Authentication configured, "
                           "but no encrypting SecurityPolicy. "
                           "This can leak credentials on the network.");
        }
#endif
        UA_ByteString_copy(userTokenPolicyUri,
                           &ac->userTokenPolicies[policies].securityPolicyUri);
    }
    return UA_STATUSCODE_GOOD;
}


/**** amalgamated original file "/plugins/ua_nodestore_ziptree.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. 
 *
 *    Copyright 2014-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */


#ifndef container_of
#define container_of(ptr, type, member) \
    (type *)((uintptr_t)ptr - offsetof(type,member))
#endif

struct NodeEntry;
typedef struct NodeEntry NodeEntry;

struct NodeEntry {
    ZIP_ENTRY(NodeEntry) zipfields;
    UA_UInt32 nodeIdHash;
    UA_UInt16 refCount; /* How many consumers have a reference to the node? */
    UA_Boolean deleted; /* Node was marked as deleted and can be deleted when refCount == 0 */
    NodeEntry *orig;    /* If a copy is made to replace a node, track that we
                         * replace only the node from which the copy was made.
                         * Important for concurrent operations. */
    UA_NodeId nodeId; /* This is actually a UA_Node that also starts with a NodeId */
};

/* Absolute ordering for NodeIds */
static enum ZIP_CMP
cmpNodeId(const void *a, const void *b) {
    const NodeEntry *aa = (const NodeEntry*)a;
    const NodeEntry *bb = (const NodeEntry*)b;

    /* Compare hash */
    if(aa->nodeIdHash < bb->nodeIdHash)
        return ZIP_CMP_LESS;
    if(aa->nodeIdHash > bb->nodeIdHash)
        return ZIP_CMP_MORE;

    /* Compore nodes in detail */
    return (enum ZIP_CMP)UA_NodeId_order(&aa->nodeId, &bb->nodeId);
}

ZIP_HEAD(NodeTree, NodeEntry);
typedef struct NodeTree NodeTree;

typedef struct {
    NodeTree root;

    /* Maps ReferenceTypeIndex to the NodeId of the ReferenceType */
    UA_NodeId referenceTypeIds[UA_REFERENCETYPESET_MAX];
    UA_Byte referenceTypeCounter;
} ZipContext;

ZIP_FUNCTIONS(NodeTree, NodeEntry, zipfields, NodeEntry, zipfields, cmpNodeId)

static NodeEntry *
newEntry(UA_NodeClass nodeClass) {
    size_t size = sizeof(NodeEntry) - sizeof(UA_NodeId);
    switch(nodeClass) {
    case UA_NODECLASS_OBJECT:
        size += sizeof(UA_ObjectNode);
        break;
    case UA_NODECLASS_VARIABLE:
        size += sizeof(UA_VariableNode);
        break;
    case UA_NODECLASS_METHOD:
        size += sizeof(UA_MethodNode);
        break;
    case UA_NODECLASS_OBJECTTYPE:
        size += sizeof(UA_ObjectTypeNode);
        break;
    case UA_NODECLASS_VARIABLETYPE:
        size += sizeof(UA_VariableTypeNode);
        break;
    case UA_NODECLASS_REFERENCETYPE:
        size += sizeof(UA_ReferenceTypeNode);
        break;
    case UA_NODECLASS_DATATYPE:
        size += sizeof(UA_DataTypeNode);
        break;
    case UA_NODECLASS_VIEW:
        size += sizeof(UA_ViewNode);
        break;
    default:
        return NULL;
    }
    NodeEntry *entry = (NodeEntry*)UA_calloc(1, size);
    if(!entry)
        return NULL;
    UA_Node *node = (UA_Node*)&entry->nodeId;
    node->head.nodeClass = nodeClass;
    return entry;
}

static void
deleteEntry(NodeEntry *entry) {
    UA_Node_clear((UA_Node*)&entry->nodeId);
    UA_free(entry);
}

static void
cleanupEntry(NodeEntry *entry) {
    if(entry->refCount > 0)
        return;
    if(entry->deleted) {
        deleteEntry(entry);
        return;
    }
    UA_NodeHead *head = (UA_NodeHead*)&entry->nodeId;
    for(size_t i = 0; i < head->referencesSize; i++) {
        UA_NodeReferenceKind *rk = &head->references[i];
        if(rk->targetsSize > 16 && !rk->hasRefTree)
            UA_NodeReferenceKind_switch(rk);
    }
}

/***********************/
/* Interface functions */
/***********************/

/* Not yet inserted into the ZipContext */
static UA_Node *
zipNsNewNode(void *nsCtx, UA_NodeClass nodeClass) {
    NodeEntry *entry = newEntry(nodeClass);
    if(!entry)
        return NULL;
    return (UA_Node*)&entry->nodeId;
}

/* Not yet inserted into the ZipContext */
static void
zipNsDeleteNode(void *nsCtx, UA_Node *node) {
    deleteEntry(container_of(node, NodeEntry, nodeId));
}

static const UA_Node *
zipNsGetNode(void *nsCtx, const UA_NodeId *nodeId) {
    ZipContext *ns = (ZipContext*)nsCtx;
    NodeEntry dummy;
    dummy.nodeIdHash = UA_NodeId_hash(nodeId);
    dummy.nodeId = *nodeId;
    NodeEntry *entry = ZIP_FIND(NodeTree, &ns->root, &dummy);
    if(!entry)
        return NULL;
    ++entry->refCount;
    return (const UA_Node*)&entry->nodeId;
}

static void
zipNsReleaseNode(void *nsCtx, const UA_Node *node) {
    if(!node)
        return;
    NodeEntry *entry = container_of(node, NodeEntry, nodeId);
    UA_assert(entry->refCount > 0);
    --entry->refCount;
    cleanupEntry(entry);
}

static UA_StatusCode
zipNsGetNodeCopy(void *nsCtx, const UA_NodeId *nodeId,
                         UA_Node **outNode) {
    /* Find the node */
    const UA_Node *node = zipNsGetNode(nsCtx, nodeId);
    if(!node)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;

    /* Create the new entry */
    NodeEntry *ne = newEntry(node->head.nodeClass);
    if(!ne) {
        zipNsReleaseNode(nsCtx, node);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    /* Copy the node content */
    UA_Node *nnode = (UA_Node*)&ne->nodeId;
    UA_StatusCode retval = UA_Node_copy(node, nnode);
    zipNsReleaseNode(nsCtx, node);
    if(retval != UA_STATUSCODE_GOOD) {
        deleteEntry(ne);
        return retval;
    }

    ne->orig = container_of(node, NodeEntry, nodeId);
    *outNode = nnode;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
zipNsInsertNode(void *nsCtx, UA_Node *node, UA_NodeId *addedNodeId) {
    NodeEntry *entry = container_of(node, NodeEntry, nodeId);
    ZipContext *ns = (ZipContext*)nsCtx;

    /* Ensure that the NodeId is unique */
    NodeEntry dummy;
    memset(&dummy, 0, sizeof(NodeEntry));
    dummy.nodeId = node->head.nodeId;
    if(node->head.nodeId.identifierType == UA_NODEIDTYPE_NUMERIC &&
       node->head.nodeId.identifier.numeric == 0) {
        do { /* Create a random nodeid until we find an unoccupied id */
            UA_UInt32 numId = UA_UInt32_random();
#if SIZE_MAX <= UA_UINT32_MAX
            /* The compressed "immediate" representation of nodes does not
             * support the full range on 32bit systems. Generate smaller
             * identifiers as they can be stored more compactly. */
            if(numId >= (0x01 << 24))
                numId = numId % (0x01 << 24);
#endif
            node->head.nodeId.identifier.numeric = numId;
            dummy.nodeId.identifier.numeric = numId;
            dummy.nodeIdHash = UA_NodeId_hash(&node->head.nodeId);
        } while(ZIP_FIND(NodeTree, &ns->root, &dummy));
    } else {
        dummy.nodeIdHash = UA_NodeId_hash(&node->head.nodeId);
        if(ZIP_FIND(NodeTree, &ns->root, &dummy)) { /* The nodeid exists */
            deleteEntry(entry);
            return UA_STATUSCODE_BADNODEIDEXISTS;
        }
    }

    /* Copy the NodeId */
    if(addedNodeId) {
        UA_StatusCode retval = UA_NodeId_copy(&node->head.nodeId, addedNodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            deleteEntry(entry);
            return retval;
        }
    }

    /* For new ReferencetypeNodes add to the index map */
    if(node->head.nodeClass == UA_NODECLASS_REFERENCETYPE) {
        UA_ReferenceTypeNode *refNode = &node->referenceTypeNode;
        if(ns->referenceTypeCounter >= UA_REFERENCETYPESET_MAX) {
            deleteEntry(entry);
            return UA_STATUSCODE_BADINTERNALERROR;
        }

        UA_StatusCode retval =
            UA_NodeId_copy(&node->head.nodeId, &ns->referenceTypeIds[ns->referenceTypeCounter]);
        if(retval != UA_STATUSCODE_GOOD) {
            deleteEntry(entry);
            return UA_STATUSCODE_BADINTERNALERROR;
        }

        /* Assign the ReferenceTypeIndex to the new ReferenceTypeNode */
        refNode->referenceTypeIndex = ns->referenceTypeCounter;
        refNode->subTypes = UA_REFTYPESET(ns->referenceTypeCounter);

        ns->referenceTypeCounter++;
    }

    /* Insert the node */
    entry->nodeIdHash = dummy.nodeIdHash;
    ZIP_INSERT(NodeTree, &ns->root, entry, UA_UInt32_random());
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
zipNsReplaceNode(void *nsCtx, UA_Node *node) {
    /* Find the node */
    const UA_Node *oldNode = zipNsGetNode(nsCtx, &node->head.nodeId);
    if(!oldNode) {
        deleteEntry(container_of(node, NodeEntry, nodeId));
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    }

    /* Test if the copy is current */
    NodeEntry *entry = container_of(node, NodeEntry, nodeId);
    NodeEntry *oldEntry = container_of(oldNode, NodeEntry, nodeId);
    if(oldEntry != entry->orig) {
        /* The node was already updated since the copy was made */
        deleteEntry(entry);
        zipNsReleaseNode(nsCtx, oldNode);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Replace */
    ZipContext *ns = (ZipContext*)nsCtx;
    ZIP_REMOVE(NodeTree, &ns->root, oldEntry);
    entry->nodeIdHash = oldEntry->nodeIdHash;
    ZIP_INSERT(NodeTree, &ns->root, entry, ZIP_RANK(entry, zipfields));
    oldEntry->deleted = true;

    zipNsReleaseNode(nsCtx, oldNode);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
zipNsRemoveNode(void *nsCtx, const UA_NodeId *nodeId) {
    ZipContext *ns = (ZipContext*)nsCtx;
    NodeEntry dummy;
    dummy.nodeIdHash = UA_NodeId_hash(nodeId);
    dummy.nodeId = *nodeId;
    NodeEntry *entry = ZIP_FIND(NodeTree, &ns->root, &dummy);
    if(!entry)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    ZIP_REMOVE(NodeTree, &ns->root, entry);
    entry->deleted = true;
    cleanupEntry(entry);
    return UA_STATUSCODE_GOOD;
}

static const UA_NodeId *
zipNsGetReferenceTypeId(void *nsCtx, UA_Byte refTypeIndex) {
    ZipContext *ns = (ZipContext*)nsCtx;
    if(refTypeIndex >= ns->referenceTypeCounter)
        return NULL;
    return &ns->referenceTypeIds[refTypeIndex];
}

struct VisitorData {
    UA_NodestoreVisitor visitor;
    void *visitorContext;
};

static void
nodeVisitor(NodeEntry *entry, void *data) {
    struct VisitorData *d = (struct VisitorData*)data;
    d->visitor(d->visitorContext, (UA_Node*)&entry->nodeId);
}

static void
zipNsIterate(void *nsCtx, UA_NodestoreVisitor visitor,
             void *visitorCtx) {
    struct VisitorData d;
    d.visitor = visitor;
    d.visitorContext = visitorCtx;
    ZipContext *ns = (ZipContext*)nsCtx;
    ZIP_ITER(NodeTree, &ns->root, nodeVisitor, &d);
}

static void
deleteNodeVisitor(NodeEntry *entry, void *data) {
    deleteEntry(entry);
}

/***********************/
/* Nodestore Lifecycle */
/***********************/

static void
zipNsClear(void *nsCtx) {
    if (!nsCtx)
        return;
    ZipContext *ns = (ZipContext*)nsCtx;
    ZIP_ITER(NodeTree, &ns->root, deleteNodeVisitor, NULL);

    /* Clean up the ReferenceTypes index array */
    for(size_t i = 0; i < ns->referenceTypeCounter; i++)
        UA_NodeId_clear(&ns->referenceTypeIds[i]);

    UA_free(ns);
}

UA_StatusCode
UA_Nodestore_ZipTree(UA_Nodestore *ns) {
    /* Allocate and initialize the context */
    ZipContext *ctx = (ZipContext*)UA_malloc(sizeof(ZipContext));
    if(!ctx)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    ZIP_INIT(&ctx->root);
    ctx->referenceTypeCounter = 0;

    /* Populate the nodestore */
    ns->context = (void*)ctx;
    ns->clear = zipNsClear;
    ns->newNode = zipNsNewNode;
    ns->deleteNode = zipNsDeleteNode;
    ns->getNode = zipNsGetNode;
    ns->releaseNode = zipNsReleaseNode;
    ns->getNodeCopy = zipNsGetNodeCopy;
    ns->insertNode = zipNsInsertNode;
    ns->replaceNode = zipNsReplaceNode;
    ns->removeNode = zipNsRemoveNode;
    ns->getReferenceTypeId = zipNsGetReferenceTypeId;
    ns->iterate = zipNsIterate;
    
    return UA_STATUSCODE_GOOD;
}

/**** amalgamated original file "/plugins/ua_nodestore_hashmap.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. 
 *
 *    Copyright 2014-2019 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */


#ifndef container_of
#define container_of(ptr, type, member) \
    (type *)((uintptr_t)ptr - offsetof(type,member))
#endif

/* The default Nodestore is simply a hash-map from NodeIds to Nodes. To find an
 * entry, iterate over candidate positions according to the NodeId hash.
 *
 * - Tombstone or non-matching NodeId: continue searching
 * - Matching NodeId: Return the entry
 * - NULL: Abort the search */

typedef struct UA_NodeMapEntry {
    struct UA_NodeMapEntry *orig; /* the version this is a copy from (or NULL) */
    UA_UInt16 refCount; /* How many consumers have a reference to the node? */
    UA_Boolean deleted; /* Node was marked as deleted and can be deleted when refCount == 0 */
    UA_Node node;
} UA_NodeMapEntry;

#define UA_NODEMAP_MINSIZE 64
#define UA_NODEMAP_TOMBSTONE ((UA_NodeMapEntry*)0x01)

typedef struct {
    UA_NodeMapEntry *entry;
    UA_UInt32 nodeIdHash;
} UA_NodeMapSlot;

typedef struct {
    UA_NodeMapSlot *slots;
    UA_UInt32 size;
    UA_UInt32 count;
    UA_UInt32 sizePrimeIndex;

    /* Maps ReferenceTypeIndex to the NodeId of the ReferenceType */
    UA_NodeId referenceTypeIds[UA_REFERENCETYPESET_MAX];
    UA_Byte referenceTypeCounter;
} UA_NodeMap;

/*********************/
/* HashMap Utilities */
/*********************/

/* The size of the hash-map is always a prime number. They are chosen to be
 * close to the next power of 2. So the size ca. doubles with each prime. */
static UA_UInt32 const primes[] = {
    7,         13,         31,         61,         127,         251,
    509,       1021,       2039,       4093,       8191,        16381,
    32749,     65521,      131071,     262139,     524287,      1048573,
    2097143,   4194301,    8388593,    16777213,   33554393,    67108859,
    134217689, 268435399,  536870909,  1073741789, 2147483647,  4294967291
};

static UA_UInt32 mod(UA_UInt32 h, UA_UInt32 size) { return h % size; }
static UA_UInt32 mod2(UA_UInt32 h, UA_UInt32 size) { return 1 + (h % (size - 2)); }

static UA_UInt16
higher_prime_index(UA_UInt32 n) {
    UA_UInt16 low  = 0;
    UA_UInt16 high = (UA_UInt16)(sizeof(primes) / sizeof(UA_UInt32));
    while(low != high) {
        UA_UInt16 mid = (UA_UInt16)(low + ((high - low) / 2));
        if(n > primes[mid])
            low = (UA_UInt16)(mid + 1);
        else
            high = mid;
    }
    return low;
}

/* Returns an empty slot or null if the nodeid exists or if no empty slot is found. */
static UA_NodeMapSlot *
findFreeSlot(const UA_NodeMap *ns, const UA_NodeId *nodeid) {
    UA_UInt32 h = UA_NodeId_hash(nodeid);
    UA_UInt32 size = ns->size;
    UA_UInt64 idx = mod(h, size); /* Use 64bit container to avoid overflow  */
    UA_UInt32 startIdx = (UA_UInt32)idx;
    UA_UInt32 hash2 = mod2(h, size);

    UA_NodeMapSlot *candidate = NULL;
    do {
        UA_NodeMapSlot *slot = &ns->slots[(UA_UInt32)idx];

        if(slot->entry > UA_NODEMAP_TOMBSTONE) {
            /* A Node with the NodeId does already exist */
            if(slot->nodeIdHash == h &&
               UA_NodeId_equal(&slot->entry->node.head.nodeId, nodeid))
                return NULL;
        } else {
            /* Found a candidate node */
            if(!candidate)
                candidate = slot;
            /* No matching node can come afterwards */
            if(slot->entry == NULL)
                return candidate;
        }

        idx += hash2;
        if(idx >= size)
            idx -= size;
    } while((UA_UInt32)idx != startIdx);

    return candidate;
}

/* The occupancy of the table after the call will be about 50% */
static UA_StatusCode
expand(UA_NodeMap *ns) {
    UA_UInt32 osize = ns->size;
    UA_UInt32 count = ns->count;
    /* Resize only when table after removal of unused elements is either too
       full or too empty */
    if(count * 2 < osize && (count * 8 > osize || osize <= UA_NODEMAP_MINSIZE))
        return UA_STATUSCODE_GOOD;

    UA_NodeMapSlot *oslots = ns->slots;
    UA_UInt32 nindex = higher_prime_index(count * 2);
    UA_UInt32 nsize = primes[nindex];
    UA_NodeMapSlot *nslots= (UA_NodeMapSlot*)UA_calloc(nsize, sizeof(UA_NodeMapSlot));
    if(!nslots)
        return UA_STATUSCODE_BADOUTOFMEMORY;

    ns->slots = nslots;
    ns->size = nsize;
    ns->sizePrimeIndex = nindex;

    /* recompute the position of every entry and insert the pointer */
    for(size_t i = 0, j = 0; i < osize && j < count; ++i) {
        if(oslots[i].entry <= UA_NODEMAP_TOMBSTONE)
            continue;
        UA_NodeMapSlot *s = findFreeSlot(ns, &oslots[i].entry->node.head.nodeId);
        UA_assert(s);
        *s = oslots[i];
        ++j;
    }

    UA_free(oslots);
    return UA_STATUSCODE_GOOD;
}

static UA_NodeMapEntry *
createEntry(UA_NodeClass nodeClass) {
    size_t size = sizeof(UA_NodeMapEntry) - sizeof(UA_Node);
    switch(nodeClass) {
    case UA_NODECLASS_OBJECT:
        size += sizeof(UA_ObjectNode);
        break;
    case UA_NODECLASS_VARIABLE:
        size += sizeof(UA_VariableNode);
        break;
    case UA_NODECLASS_METHOD:
        size += sizeof(UA_MethodNode);
        break;
    case UA_NODECLASS_OBJECTTYPE:
        size += sizeof(UA_ObjectTypeNode);
        break;
    case UA_NODECLASS_VARIABLETYPE:
        size += sizeof(UA_VariableTypeNode);
        break;
    case UA_NODECLASS_REFERENCETYPE:
        size += sizeof(UA_ReferenceTypeNode);
        break;
    case UA_NODECLASS_DATATYPE:
        size += sizeof(UA_DataTypeNode);
        break;
    case UA_NODECLASS_VIEW:
        size += sizeof(UA_ViewNode);
        break;
    default:
        return NULL;
    }
    UA_NodeMapEntry *entry = (UA_NodeMapEntry*)UA_calloc(1, size);
    if(!entry)
        return NULL;
    entry->node.head.nodeClass = nodeClass;
    return entry;
}

static void
deleteNodeMapEntry(UA_NodeMapEntry *entry) {
    UA_Node_clear(&entry->node);
    UA_free(entry);
}

static void
cleanupNodeMapEntry(UA_NodeMapEntry *entry) {
    if(entry->refCount > 0)
        return;
    if(entry->deleted) {
        deleteNodeMapEntry(entry);
        return;
    }
    for(size_t i = 0; i < entry->node.head.referencesSize; i++) {
        UA_NodeReferenceKind *rk = &entry->node.head.references[i];
        if(rk->targetsSize > 16 && !rk->hasRefTree)
            UA_NodeReferenceKind_switch(rk);
    }
}

static UA_NodeMapSlot *
findOccupiedSlot(const UA_NodeMap *ns, const UA_NodeId *nodeid) {
    UA_UInt32 h = UA_NodeId_hash(nodeid);
    UA_UInt32 size = ns->size;
    UA_UInt64 idx = mod(h, size); /* Use 64bit container to avoid overflow */
    UA_UInt32 hash2 = mod2(h, size);
    UA_UInt32 startIdx = (UA_UInt32)idx;

    do {
        UA_NodeMapSlot *slot= &ns->slots[(UA_UInt32)idx];
        if(slot->entry > UA_NODEMAP_TOMBSTONE) {
            if(slot->nodeIdHash == h &&
               UA_NodeId_equal(&slot->entry->node.head.nodeId, nodeid))
                return slot;
        } else {
            if(slot->entry == NULL)
                return NULL; /* No further entry possible */
        }

        idx += hash2;
        if(idx >= size)
            idx -= size;
    } while((UA_UInt32)idx != startIdx);

    return NULL;
}

/***********************/
/* Interface functions */
/***********************/

static UA_Node *
UA_NodeMap_newNode(void *context, UA_NodeClass nodeClass) {
    UA_NodeMapEntry *entry = createEntry(nodeClass);
    if(!entry)
        return NULL;
    return &entry->node;
}

static void
UA_NodeMap_deleteNode(void *context, UA_Node *node) {
    UA_NodeMapEntry *entry = container_of(node, UA_NodeMapEntry, node);
    UA_assert(&entry->node == node);
    deleteNodeMapEntry(entry);
}

static const UA_Node *
UA_NodeMap_getNode(void *context, const UA_NodeId *nodeid) {
    UA_NodeMap *ns = (UA_NodeMap*)context;
    UA_NodeMapSlot *slot = findOccupiedSlot(ns, nodeid);
    if(!slot)
        return NULL;
    ++slot->entry->refCount;
    return &slot->entry->node;
}

static void
UA_NodeMap_releaseNode(void *context, const UA_Node *node) {
    if (!node)
        return;
    UA_NodeMapEntry *entry = container_of(node, UA_NodeMapEntry, node);
    UA_assert(&entry->node == node);
    UA_assert(entry->refCount > 0);
    --entry->refCount;
    cleanupNodeMapEntry(entry);
}

static UA_StatusCode
UA_NodeMap_getNodeCopy(void *context, const UA_NodeId *nodeid,
                       UA_Node **outNode) {
    UA_NodeMap *ns = (UA_NodeMap*)context;
    UA_NodeMapSlot *slot = findOccupiedSlot(ns, nodeid);
    if(!slot)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    UA_NodeMapEntry *entry = slot->entry;
    UA_NodeMapEntry *newItem = createEntry(entry->node.head.nodeClass);
    if(!newItem)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    UA_StatusCode retval = UA_Node_copy(&entry->node, &newItem->node);
    if(retval == UA_STATUSCODE_GOOD) {
        newItem->orig = entry; /* Store the pointer to the original */
        *outNode = &newItem->node;
    } else {
        deleteNodeMapEntry(newItem);
    }
    return retval;
}

static UA_StatusCode
UA_NodeMap_removeNode(void *context, const UA_NodeId *nodeid) {
    UA_NodeMap *ns = (UA_NodeMap*)context;
    UA_NodeMapSlot *slot = findOccupiedSlot(ns, nodeid);
    if(!slot)
        return UA_STATUSCODE_BADNODEIDUNKNOWN;

    UA_NodeMapEntry *entry = slot->entry;
    slot->entry = UA_NODEMAP_TOMBSTONE;
    UA_atomic_sync(); /* Set the tombstone before cleaning up. E.g. if the
                       * nodestore is accessed from an interrupt. */
    entry->deleted = true;
    cleanupNodeMapEntry(entry);
    --ns->count;
    /* Downsize the hashmap if it is very empty */
    if(ns->count * 8 < ns->size && ns->size > UA_NODEMAP_MINSIZE)
        expand(ns); /* Can fail. Just continue with the bigger hashmap. */
    return UA_STATUSCODE_GOOD;
}

/*
 * If this function fails in any way, the node parameter is deleted here,
 * so the caller function does not need to take care of it anymore
 */
static UA_StatusCode
UA_NodeMap_insertNode(void *context, UA_Node *node,
                      UA_NodeId *addedNodeId) {
    UA_NodeMap *ns = (UA_NodeMap*)context;
    if(ns->size * 3 <= ns->count * 4) {
        if(expand(ns) != UA_STATUSCODE_GOOD){
            deleteNodeMapEntry(container_of(node, UA_NodeMapEntry, node));
            return UA_STATUSCODE_BADINTERNALERROR;
        }
    }

    UA_NodeMapSlot *slot;
    if(node->head.nodeId.identifierType == UA_NODEIDTYPE_NUMERIC &&
       node->head.nodeId.identifier.numeric == 0) {
        /* Create a random nodeid: Start at least with 50,000 to make sure we
         * don not conflict with nodes from the spec. If we find a conflict, we
         * just try another identifier until we have tried all possible
         * identifiers. Since the size is prime and we don't change the increase
         * val, we will reach the starting id again. E.g. adding a nodeset will
         * create children while there are still other nodes which need to be
         * created. Thus the node ids may collide. */
        UA_UInt32 size = ns->size;
        UA_UInt64 identifier = mod(50000 + size+1, UA_UINT32_MAX); /* Use 64bit to
                                                                    * avoid overflow */
        UA_UInt32 increase = mod2(ns->count+1, size);
        UA_UInt32 startId = (UA_UInt32)identifier; /* mod ensures us that the id
                                                    * is a valid 32 bit integer */

        do {
            node->head.nodeId.identifier.numeric = (UA_UInt32)identifier;
            slot = findFreeSlot(ns, &node->head.nodeId);
            if(slot)
                break;
            identifier += increase;
            if(identifier >= size)
                identifier -= size;
#if SIZE_MAX <= UA_UINT32_MAX
            /* The compressed "immediate" representation of nodes does not
             * support the full range on 32bit systems. Generate smaller
             * identifiers as they can be stored more compactly. */
            if(identifier >= (0x01 << 24))
                identifier = identifier % (0x01 << 24);
#endif
        } while((UA_UInt32)identifier != startId);
    } else {
        slot = findFreeSlot(ns, &node->head.nodeId);
    }

    if(!slot) {
        deleteNodeMapEntry(container_of(node, UA_NodeMapEntry, node));
        return UA_STATUSCODE_BADNODEIDEXISTS;
    }

    /* Copy the NodeId */
    UA_StatusCode retval = UA_STATUSCODE_GOOD;
    if(addedNodeId) {
        retval = UA_NodeId_copy(&node->head.nodeId, addedNodeId);
        if(retval != UA_STATUSCODE_GOOD) {
            deleteNodeMapEntry(container_of(node, UA_NodeMapEntry, node));
            return retval;
        }
    }

    /* For new ReferencetypeNodes add to the index map */
    if(node->head.nodeClass == UA_NODECLASS_REFERENCETYPE) {
        UA_ReferenceTypeNode *refNode = &node->referenceTypeNode;
        if(ns->referenceTypeCounter >= UA_REFERENCETYPESET_MAX) {
            deleteNodeMapEntry(container_of(node, UA_NodeMapEntry, node));
            return UA_STATUSCODE_BADINTERNALERROR;
        }

        retval = UA_NodeId_copy(&node->head.nodeId, &ns->referenceTypeIds[ns->referenceTypeCounter]);
        if(retval != UA_STATUSCODE_GOOD) {
            deleteNodeMapEntry(container_of(node, UA_NodeMapEntry, node));
            return UA_STATUSCODE_BADINTERNALERROR;
        }

        /* Assign the ReferenceTypeIndex to the new ReferenceTypeNode */
        refNode->referenceTypeIndex = ns->referenceTypeCounter;
        refNode->subTypes = UA_REFTYPESET(ns->referenceTypeCounter);

        ns->referenceTypeCounter++;
    }

    /* Insert the node */
    UA_NodeMapEntry *newEntry = container_of(node, UA_NodeMapEntry, node);
    slot->nodeIdHash = UA_NodeId_hash(&node->head.nodeId);
    UA_atomic_sync(); /* Set the hash first */
    slot->entry = newEntry;
    ++ns->count;
    return retval;
}

static UA_StatusCode
UA_NodeMap_replaceNode(void *context, UA_Node *node) {
    UA_NodeMap *ns = (UA_NodeMap*)context;
    UA_NodeMapEntry *newEntry = container_of(node, UA_NodeMapEntry, node);

    /* Find the node */
    UA_NodeMapSlot *slot = findOccupiedSlot(ns, &node->head.nodeId);
    if(!slot) {
        deleteNodeMapEntry(newEntry);
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    }

    /* The node was already updated since the copy was made? */
    UA_NodeMapEntry *oldEntry = slot->entry;
    if(oldEntry != newEntry->orig) {
        deleteNodeMapEntry(newEntry);
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* Replace the entry */
    slot->entry = newEntry;
    UA_atomic_sync();
    oldEntry->deleted = true;
    cleanupNodeMapEntry(oldEntry);
    return UA_STATUSCODE_GOOD;
}

static const UA_NodeId *
UA_NodeMap_getReferenceTypeId(void *nsCtx, UA_Byte refTypeIndex) {
    UA_NodeMap *ns = (UA_NodeMap*)nsCtx;
    if(refTypeIndex >= ns->referenceTypeCounter)
        return NULL;
    return &ns->referenceTypeIds[refTypeIndex];
}

static void
UA_NodeMap_iterate(void *context, UA_NodestoreVisitor visitor,
                   void *visitorContext) {
    UA_NodeMap *ns = (UA_NodeMap*)context;
    for(UA_UInt32 i = 0; i < ns->size; ++i) {
        UA_NodeMapSlot *slot = &ns->slots[i];
        if(slot->entry > UA_NODEMAP_TOMBSTONE) {
            /* The visitor can delete the node. So refcount here. */
            slot->entry->refCount++;
            visitor(visitorContext, &slot->entry->node);
            slot->entry->refCount--;
            cleanupNodeMapEntry(slot->entry);
        }
    }
}

static void
UA_NodeMap_delete(void *context) {
    /* Already cleaned up? */
    if(!context)
        return;

    UA_NodeMap *ns = (UA_NodeMap*)context;
    UA_UInt32 size = ns->size;
    UA_NodeMapSlot *slots = ns->slots;
    for(UA_UInt32 i = 0; i < size; ++i) {
        if(slots[i].entry > UA_NODEMAP_TOMBSTONE) {
            /* On debugging builds, check that all nodes were release */
            UA_assert(slots[i].entry->refCount == 0);
            /* Delete the node */
            deleteNodeMapEntry(slots[i].entry);
        }
    }
    UA_free(ns->slots);

    /* Clean up the ReferenceTypes index array */
    for(size_t i = 0; i < ns->referenceTypeCounter; i++)
        UA_NodeId_clear(&ns->referenceTypeIds[i]);

    UA_free(ns);
}

UA_StatusCode
UA_Nodestore_HashMap(UA_Nodestore *ns) {
    /* Allocate and initialize the nodemap */
    UA_NodeMap *nodemap = (UA_NodeMap*)UA_malloc(sizeof(UA_NodeMap));
    if(!nodemap)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    nodemap->sizePrimeIndex = higher_prime_index(UA_NODEMAP_MINSIZE);
    nodemap->size = primes[nodemap->sizePrimeIndex];
    nodemap->count = 0;
    nodemap->slots = (UA_NodeMapSlot*)
        UA_calloc(nodemap->size, sizeof(UA_NodeMapSlot));
    if(!nodemap->slots) {
        UA_free(nodemap);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    nodemap->referenceTypeCounter = 0;

    /* Populate the nodestore */
    ns->context = nodemap;
    ns->clear = UA_NodeMap_delete;
    ns->newNode = UA_NodeMap_newNode;
    ns->deleteNode = UA_NodeMap_deleteNode;
    ns->getNode = UA_NodeMap_getNode;
    ns->releaseNode = UA_NodeMap_releaseNode;
    ns->getNodeCopy = UA_NodeMap_getNodeCopy;
    ns->insertNode = UA_NodeMap_insertNode;
    ns->replaceNode = UA_NodeMap_replaceNode;
    ns->removeNode = UA_NodeMap_removeNode;
    ns->getReferenceTypeId = UA_NodeMap_getReferenceTypeId;
    ns->iterate = UA_NodeMap_iterate;
    return UA_STATUSCODE_GOOD;
}

/**** amalgamated original file "/plugins/ua_config_default.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Julian Grothoff
 *    Copyright 2017-2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2018 (c) Daniel Feist, Precitec GmbH & Co. KG
 *    Copyright 2018 (c) Fabian Arndt, Root-Core
 *    Copyright 2019 (c) Kalycito Infotech Private Limited
 *    Copyright 2017-2020 (c) HMS Industrial Networks AB (Author: Jonas Green)
 *    Copyright 2020 (c) Wind River Systems, Inc.
 */

#ifdef UA_ENABLE_WEBSOCKET_SERVER
#endif

/* Struct initialization works across ANSI C/C99/C++ if it is done when the
 * variable is first declared. Assigning values to existing structs is
 * heterogeneous across the three. */
static UA_INLINE UA_UInt32Range
UA_UINT32RANGE(UA_UInt32 min, UA_UInt32 max) {
    UA_UInt32Range range = {min, max};
    return range;
}

static UA_INLINE UA_DurationRange
UA_DURATIONRANGE(UA_Duration min, UA_Duration max) {
    UA_DurationRange range = {min, max};
    return range;
}

UA_Server *
UA_Server_new(void) {
    UA_ServerConfig config;
    memset(&config, 0, sizeof(UA_ServerConfig));
    /* Set a default logger and NodeStore for the initialization */
    config.logger = UA_Log_Stdout_;
    if(UA_STATUSCODE_GOOD != UA_Nodestore_HashMap(&config.nodestore)) {
        return NULL;
    }

    return UA_Server_newWithConfig(&config);
}

/*******************************/
/* Default Connection Settings */
/*******************************/

const UA_ConnectionConfig UA_ConnectionConfig_default = {
    0,       /* .protocolVersion */
    2 << 16, /* .sendBufferSize, 64k per chunk */
    2 << 16, /* .recvBufferSize, 64k per chunk */
    2 << 29, /* .localMaxMessageSize, 512 MB */
    2 << 29, /* .remoteMaxMessageSize, 512 MB */
    2 << 14, /* .localMaxChunkCount, 16k */
    2 << 14  /* .remoteMaxChunkCount, 16k */
};

/***************************/
/* Default Server Settings */
/***************************/

#define MANUFACTURER_NAME "open62541"
#define PRODUCT_NAME "open62541 OPC UA Server"
#define PRODUCT_URI "http://open62541.org"
#define APPLICATION_NAME "open62541-based OPC UA Application"
#define APPLICATION_URI "urn:unconfigured:application"
#define APPLICATION_URI_SERVER "urn:open62541.server.application"

#define STRINGIFY(arg) #arg
#define VERSION(MAJOR, MINOR, PATCH, LABEL) \
    STRINGIFY(MAJOR) "." STRINGIFY(MINOR) "." STRINGIFY(PATCH) LABEL

static UA_StatusCode
createEndpoint(UA_ServerConfig *conf, UA_EndpointDescription *endpoint,
               const UA_SecurityPolicy *securityPolicy,
               UA_MessageSecurityMode securityMode) {
    UA_EndpointDescription_init(endpoint);

    endpoint->securityMode = securityMode;
    UA_String_copy(&securityPolicy->policyUri, &endpoint->securityPolicyUri);
    endpoint->transportProfileUri =
        UA_STRING_ALLOC("http://opcfoundation.org/UA-Profile/Transport/uatcp-uasc-uabinary");

    /* Add security level value for the corresponding message security mode */
    endpoint->securityLevel = (UA_Byte) securityMode;

    /* Enable all login mechanisms from the access control plugin  */
    UA_StatusCode retval = UA_Array_copy(conf->accessControl.userTokenPolicies,
                                         conf->accessControl.userTokenPoliciesSize,
                                         (void **)&endpoint->userIdentityTokens,
                                         &UA_TYPES[UA_TYPES_USERTOKENPOLICY]);
    if(retval != UA_STATUSCODE_GOOD){
        UA_String_clear(&endpoint->securityPolicyUri);
        UA_String_clear(&endpoint->transportProfileUri);
        return retval;
    }
    endpoint->userIdentityTokensSize = conf->accessControl.userTokenPoliciesSize;

    UA_String_copy(&securityPolicy->localCertificate, &endpoint->serverCertificate);
    UA_ApplicationDescription_copy(&conf->applicationDescription, &endpoint->server);

    return UA_STATUSCODE_GOOD;
}

static const size_t usernamePasswordsSize = 2;
static UA_UsernamePasswordLogin usernamePasswords[2] = {
    {UA_STRING_STATIC("user1"), UA_STRING_STATIC("password")},
    {UA_STRING_STATIC("user2"), UA_STRING_STATIC("password1")}};

static UA_StatusCode
setDefaultConfig(UA_ServerConfig *conf) {
    if(!conf)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    if(conf->nodestore.context == NULL)
        UA_Nodestore_HashMap(&conf->nodestore);

    /* --> Start setting the default static config <-- */
    /* Allow user to set his own logger */
    if(!conf->logger.log)
        conf->logger = UA_Log_Stdout_;

    conf->shutdownDelay = 0.0;

    /* Server Description */
    UA_BuildInfo_clear(&conf->buildInfo);
    conf->buildInfo.productUri = UA_STRING_ALLOC(PRODUCT_URI);
    conf->buildInfo.manufacturerName = UA_STRING_ALLOC(MANUFACTURER_NAME);
    conf->buildInfo.productName = UA_STRING_ALLOC(PRODUCT_NAME);
    conf->buildInfo.softwareVersion =
        UA_STRING_ALLOC(VERSION(UA_OPEN62541_VER_MAJOR, UA_OPEN62541_VER_MINOR,
                                UA_OPEN62541_VER_PATCH, UA_OPEN62541_VER_LABEL));
#ifdef UA_PACK_DEBIAN
    conf->buildInfo.buildNumber = UA_STRING_ALLOC("deb");
#else
    conf->buildInfo.buildNumber = UA_STRING_ALLOC(__DATE__ " " __TIME__);
#endif
    conf->buildInfo.buildDate = UA_DateTime_now();

    UA_ApplicationDescription_clear(&conf->applicationDescription);
    conf->applicationDescription.applicationUri = UA_STRING_ALLOC(APPLICATION_URI_SERVER);
    conf->applicationDescription.productUri = UA_STRING_ALLOC(PRODUCT_URI);
    conf->applicationDescription.applicationName =
        UA_LOCALIZEDTEXT_ALLOC("en", APPLICATION_NAME);
    conf->applicationDescription.applicationType = UA_APPLICATIONTYPE_SERVER;
    /* conf->applicationDescription.gatewayServerUri = UA_STRING_NULL; */
    /* conf->applicationDescription.discoveryProfileUri = UA_STRING_NULL; */
    /* conf->applicationDescription.discoveryUrlsSize = 0; */
    /* conf->applicationDescription.discoveryUrls = NULL; */

#ifdef UA_ENABLE_DISCOVERY_MULTICAST
    UA_MdnsDiscoveryConfiguration_clear(&conf->mdnsConfig);
    conf->mdnsInterfaceIP = UA_STRING_NULL;
# if !defined(UA_HAS_GETIFADDR)
    conf->mdnsIpAddressList = NULL;
    conf->mdnsIpAddressListSize = 0;
# endif
#endif

    /* Custom DataTypes */
    /* conf->customDataTypesSize = 0; */
    /* conf->customDataTypes = NULL; */

    /* Networking */
    /* conf->networkLayersSize = 0; */
    /* conf->networkLayers = NULL; */
    /* conf->customHostname = UA_STRING_NULL; */

    /* Endpoints */
    /* conf->endpoints = {0, NULL}; */

    /* Certificate Verification that accepts every certificate. Can be
     * overwritten when the policy is specialized. */
    UA_CertificateVerification_AcceptAll(&conf->certificateVerification);

    /* * Global Node Lifecycle * */
    /* conf->nodeLifecycle.constructor = NULL; */
    /* conf->nodeLifecycle.destructor = NULL; */
    /* conf->nodeLifecycle.createOptionalChild = NULL; */
    /* conf->nodeLifecycle.generateChildNodeId = NULL; */
    conf->modellingRulesOnInstances = UA_TRUE;

    /* Limits for SecureChannels */
    conf->maxSecureChannels = 40;
    conf->maxSecurityTokenLifetime = 10 * 60 * 1000; /* 10 minutes */

    /* Limits for Sessions */
    conf->maxSessions = 100;
    conf->maxSessionTimeout = 60.0 * 60.0 * 1000.0; /* 1h */

#ifdef UA_ENABLE_SUBSCRIPTIONS
    /* Limits for Subscriptions */
    conf->publishingIntervalLimits = UA_DURATIONRANGE(100.0, 3600.0 * 1000.0);
    conf->lifeTimeCountLimits = UA_UINT32RANGE(3, 15000);
    conf->keepAliveCountLimits = UA_UINT32RANGE(1, 100);
    conf->maxNotificationsPerPublish = 1000;
    conf->enableRetransmissionQueue = true;
    conf->maxRetransmissionQueueSize = 0; /* unlimited */
# ifdef UA_ENABLE_SUBSCRIPTIONS_EVENTS
    conf->maxEventsPerNode = 0; /* unlimited */
# endif

    /* Limits for MonitoredItems */
    conf->samplingIntervalLimits = UA_DURATIONRANGE(50.0, 24.0 * 3600.0 * 1000.0);
    conf->queueSizeLimits = UA_UINT32RANGE(1, 100);
#endif

#ifdef UA_ENABLE_DISCOVERY
    conf->discoveryCleanupTimeout = 60 * 60;
#endif

#ifdef UA_ENABLE_HISTORIZING
    /* conf->accessHistoryDataCapability = UA_FALSE; */
    /* conf->maxReturnDataValues = 0; */

    /* conf->accessHistoryEventsCapability = UA_FALSE; */
    /* conf->maxReturnEventValues = 0; */

    /* conf->insertDataCapability = UA_FALSE; */
    /* conf->insertEventCapability = UA_FALSE; */
    /* conf->insertAnnotationsCapability = UA_FALSE; */

    /* conf->replaceDataCapability = UA_FALSE; */
    /* conf->replaceEventCapability = UA_FALSE; */

    /* conf->updateDataCapability = UA_FALSE; */
    /* conf->updateEventCapability = UA_FALSE; */

    /* conf->deleteRawCapability = UA_FALSE; */
    /* conf->deleteEventCapability = UA_FALSE; */
    /* conf->deleteAtTimeDataCapability = UA_FALSE; */
#endif

#if UA_MULTITHREADING >= 100
    conf->maxAsyncOperationQueueSize = 0;
    conf->asyncOperationTimeout = 120000; /* Async Operation Timeout in ms (2 minutes) */
#endif

    /* --> Finish setting the default static config <-- */

    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_setBasics(UA_ServerConfig* conf) {
    UA_StatusCode res = setDefaultConfig(conf);
    UA_LOG_WARNING(&conf->logger, UA_LOGCATEGORY_USERLAND,
                   "AcceptAll Certificate Verification. "
                   "Any remote certificate will be accepted.");
    return res;
}

static UA_StatusCode
addDefaultNetworkLayers(UA_ServerConfig *conf, UA_UInt16 portNumber,
                        UA_UInt32 sendBufferSize, UA_UInt32 recvBufferSize) {
    return UA_ServerConfig_addNetworkLayerTCP(conf, portNumber, sendBufferSize, recvBufferSize);
}

#ifdef UA_ENABLE_WEBSOCKET_SERVER
UA_EXPORT UA_StatusCode
UA_ServerConfig_addNetworkLayerWS(UA_ServerConfig *conf, UA_UInt16 portNumber,
                                   UA_UInt32 sendBufferSize, UA_UInt32 recvBufferSize, const UA_ByteString* certificate, const UA_ByteString* privateKey) {
    /* Add a network layer */
    UA_ServerNetworkLayer *tmp = (UA_ServerNetworkLayer *)
        UA_realloc(conf->networkLayers,
                   sizeof(UA_ServerNetworkLayer) * (1 + conf->networkLayersSize));
    if(!tmp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    conf->networkLayers = tmp;

    UA_ConnectionConfig config = UA_ConnectionConfig_default;
    if(sendBufferSize > 0)
        config.sendBufferSize = sendBufferSize;
    if(recvBufferSize > 0)
        config.recvBufferSize = recvBufferSize;

    conf->networkLayers[conf->networkLayersSize] =
        UA_ServerNetworkLayerWS(config, portNumber, certificate, privateKey);
    if(!conf->networkLayers[conf->networkLayersSize].handle)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    conf->networkLayersSize++;

    return UA_STATUSCODE_GOOD;
}
#endif

UA_EXPORT UA_StatusCode
UA_ServerConfig_addNetworkLayerTCP(UA_ServerConfig *conf, UA_UInt16 portNumber,
                                   UA_UInt32 sendBufferSize, UA_UInt32 recvBufferSize) {
    /* Add a network layer */
    UA_ServerNetworkLayer *tmp = (UA_ServerNetworkLayer *)
        UA_realloc(conf->networkLayers,
                   sizeof(UA_ServerNetworkLayer) * (1 + conf->networkLayersSize));
    if(!tmp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    conf->networkLayers = tmp;

    UA_ConnectionConfig config = UA_ConnectionConfig_default;
    if (sendBufferSize > 0)
        config.sendBufferSize = sendBufferSize;
    if (recvBufferSize > 0)
        config.recvBufferSize = recvBufferSize;

    conf->networkLayers[conf->networkLayersSize] =
        UA_ServerNetworkLayerTCP(config, portNumber, 0);
    if (!conf->networkLayers[conf->networkLayersSize].handle)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    conf->networkLayersSize++;

    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_addSecurityPolicyNone(UA_ServerConfig *config, 
                                      const UA_ByteString *certificate) {
    /* Allocate the SecurityPolicies */
    UA_SecurityPolicy *tmp = (UA_SecurityPolicy *)
        UA_realloc(config->securityPolicies,
                   sizeof(UA_SecurityPolicy) * (1 + config->securityPoliciesSize));
    if(!tmp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    config->securityPolicies = tmp;
    
    /* Populate the SecurityPolicies */
    UA_ByteString localCertificate = UA_BYTESTRING_NULL;
    if(certificate)
        localCertificate = *certificate;
    UA_StatusCode retval =
        UA_SecurityPolicy_None(&config->securityPolicies[config->securityPoliciesSize],
                               localCertificate, &config->logger);
    if(retval != UA_STATUSCODE_GOOD) {
        if(config->securityPoliciesSize == 0) {
            UA_free(config->securityPolicies);
            config->securityPolicies = NULL;
        }
        return retval;
    }

    config->securityPoliciesSize++;
    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_addEndpoint(UA_ServerConfig *config, const UA_String securityPolicyUri, 
                            UA_MessageSecurityMode securityMode) {
    /* Allocate the endpoint */
    UA_EndpointDescription *tmp = (UA_EndpointDescription *)
        UA_realloc(config->endpoints,
                   sizeof(UA_EndpointDescription) * (1 + config->endpointsSize));
    if(!tmp) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    config->endpoints = tmp;

    /* Lookup the security policy */
    const UA_SecurityPolicy *policy = NULL;
    for (size_t i = 0; i < config->securityPoliciesSize; ++i) {
        if (UA_String_equal(&securityPolicyUri, &config->securityPolicies[i].policyUri)) {
            policy = &config->securityPolicies[i];
            break;
        }
    }
    if (!policy)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    /* Populate the endpoint */
    UA_StatusCode retval =
        createEndpoint(config, &config->endpoints[config->endpointsSize],
                       policy, securityMode);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;
    config->endpointsSize++;

    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_addAllEndpoints(UA_ServerConfig *config) {
    /* Allocate the endpoints */
    UA_EndpointDescription * tmp = (UA_EndpointDescription *)
        UA_realloc(config->endpoints,
                   sizeof(UA_EndpointDescription) *
                   (2 * config->securityPoliciesSize + config->endpointsSize));
    if(!tmp) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    config->endpoints = tmp;

    /* Populate the endpoints */
    for(size_t i = 0; i < config->securityPoliciesSize; ++i) {
        if(UA_String_equal(&UA_SECURITY_POLICY_NONE_URI, &config->securityPolicies[i].policyUri)) {
            UA_StatusCode retval =
                createEndpoint(config, &config->endpoints[config->endpointsSize],
                               &config->securityPolicies[i], UA_MESSAGESECURITYMODE_NONE);
            if(retval != UA_STATUSCODE_GOOD)
                return retval;
            config->endpointsSize++;
        } else {
            UA_StatusCode retval =
                createEndpoint(config, &config->endpoints[config->endpointsSize],
                               &config->securityPolicies[i], UA_MESSAGESECURITYMODE_SIGN);
            if(retval != UA_STATUSCODE_GOOD)
                return retval;
            config->endpointsSize++;

            retval = createEndpoint(config, &config->endpoints[config->endpointsSize],
                                    &config->securityPolicies[i],
                                    UA_MESSAGESECURITYMODE_SIGNANDENCRYPT);
            if(retval != UA_STATUSCODE_GOOD)
                return retval;
            config->endpointsSize++;
        }
    }

    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_setMinimalCustomBuffer(UA_ServerConfig *config, UA_UInt16 portNumber,
                                       const UA_ByteString *certificate,
                                       UA_UInt32 sendBufferSize,
                                       UA_UInt32 recvBufferSize) {
    if(!config)
        return UA_STATUSCODE_BADINVALIDARGUMENT;

    UA_StatusCode retval = setDefaultConfig(config);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(config);
        return retval;
    }

    retval = addDefaultNetworkLayers(config, portNumber, sendBufferSize, recvBufferSize);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(config);
        return retval;
    }

    /* Allocate the SecurityPolicies */
    retval = UA_ServerConfig_addSecurityPolicyNone(config, certificate);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(config);
        return retval;
    }

    /* Initialize the Access Control plugin */
    retval = UA_AccessControl_default(config, true, NULL,
                                      &config->securityPolicies[config->securityPoliciesSize-1].policyUri,
                                      usernamePasswordsSize, usernamePasswords);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(config);
        return retval;
    }

    /* Allocate the endpoint */
    retval = UA_ServerConfig_addEndpoint(config, UA_SECURITY_POLICY_NONE_URI,
                                         UA_MESSAGESECURITYMODE_NONE);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(config);
        return retval;
    }

    UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                   "AcceptAll Certificate Verification. "
                   "Any remote certificate will be accepted.");

    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_ENCRYPTION

UA_EXPORT UA_StatusCode
UA_ServerConfig_addSecurityPolicyBasic128Rsa15(UA_ServerConfig *config, 
                                               const UA_ByteString *certificate,
                                               const UA_ByteString *privateKey) {
    /* Allocate the SecurityPolicies */
    UA_SecurityPolicy *tmp = (UA_SecurityPolicy *)
        UA_realloc(config->securityPolicies,
                   sizeof(UA_SecurityPolicy) * (1 + config->securityPoliciesSize));
    if(!tmp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    config->securityPolicies = tmp;
    
    /* Populate the SecurityPolicies */
    UA_ByteString localCertificate = UA_BYTESTRING_NULL;
    UA_ByteString localPrivateKey  = UA_BYTESTRING_NULL;
    if(certificate)
        localCertificate = *certificate;
    if(privateKey)
       localPrivateKey = *privateKey;
    UA_StatusCode retval =
        UA_SecurityPolicy_Basic128Rsa15(&config->securityPolicies[config->securityPoliciesSize],
                                        localCertificate, localPrivateKey, &config->logger);
    if(retval != UA_STATUSCODE_GOOD) {
        if(config->securityPoliciesSize == 0) {
            UA_free(config->securityPolicies);
            config->securityPolicies = NULL;
        }
        return retval;
    }

    config->securityPoliciesSize++;
    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_addSecurityPolicyBasic256(UA_ServerConfig *config, 
                                          const UA_ByteString *certificate,
                                          const UA_ByteString *privateKey) {
    /* Allocate the SecurityPolicies */
    UA_SecurityPolicy *tmp = (UA_SecurityPolicy *)
        UA_realloc(config->securityPolicies,
                   sizeof(UA_SecurityPolicy) * (1 + config->securityPoliciesSize));
    if(!tmp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    config->securityPolicies = tmp;
    
    /* Populate the SecurityPolicies */
    UA_ByteString localCertificate = UA_BYTESTRING_NULL;
    UA_ByteString localPrivateKey  = UA_BYTESTRING_NULL;
    if(certificate)
        localCertificate = *certificate;
    if(privateKey)
       localPrivateKey = *privateKey;
    UA_StatusCode retval =
        UA_SecurityPolicy_Basic256(&config->securityPolicies[config->securityPoliciesSize],
                                   localCertificate, localPrivateKey, &config->logger);
    if(retval != UA_STATUSCODE_GOOD) {
        if(config->securityPoliciesSize == 0) {
            UA_free(config->securityPolicies);
            config->securityPolicies = NULL;
        }
        return retval;
    }

    config->securityPoliciesSize++;
    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_addSecurityPolicyBasic256Sha256(UA_ServerConfig *config, 
                                                const UA_ByteString *certificate,
                                                const UA_ByteString *privateKey) {
    /* Allocate the SecurityPolicies */
    UA_SecurityPolicy *tmp = (UA_SecurityPolicy *)
        UA_realloc(config->securityPolicies,
                   sizeof(UA_SecurityPolicy) * (1 + config->securityPoliciesSize));
    if(!tmp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    config->securityPolicies = tmp;
    
    /* Populate the SecurityPolicies */
    UA_ByteString localCertificate = UA_BYTESTRING_NULL;
    UA_ByteString localPrivateKey  = UA_BYTESTRING_NULL;
    if(certificate)
        localCertificate = *certificate;
    if(privateKey)
       localPrivateKey = *privateKey;
    UA_StatusCode retval =
        UA_SecurityPolicy_Basic256Sha256(&config->securityPolicies[config->securityPoliciesSize],
                                         localCertificate, localPrivateKey, &config->logger);
    if(retval != UA_STATUSCODE_GOOD) {
        if(config->securityPoliciesSize == 0) {
            UA_free(config->securityPolicies);
            config->securityPolicies = NULL;
        }
        return retval;
    }

    config->securityPoliciesSize++;
    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_addSecurityPolicyAes128Sha256RsaOaep(UA_ServerConfig *config, 
                                                const UA_ByteString *certificate,
                                                const UA_ByteString *privateKey) {
    /* Allocate the SecurityPolicies */
    UA_SecurityPolicy *tmp = (UA_SecurityPolicy *)
        UA_realloc(config->securityPolicies,
                   sizeof(UA_SecurityPolicy) * (1 + config->securityPoliciesSize));
    if(!tmp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    config->securityPolicies = tmp;
    
    /* Populate the SecurityPolicies */
    UA_ByteString localCertificate = UA_BYTESTRING_NULL;
    UA_ByteString localPrivateKey  = UA_BYTESTRING_NULL;
    if(certificate)
        localCertificate = *certificate;
    if(privateKey)
       localPrivateKey = *privateKey;
    UA_StatusCode retval =
        UA_SecurityPolicy_Aes128Sha256RsaOaep(&config->securityPolicies[config->securityPoliciesSize],
                                              localCertificate, localPrivateKey, &config->logger);
    if(retval != UA_STATUSCODE_GOOD) {
        if(config->securityPoliciesSize == 0) {
            UA_free(config->securityPolicies);
            config->securityPolicies = NULL;
        }
        return retval;
    }

    config->securityPoliciesSize++;
    return UA_STATUSCODE_GOOD;
}

/* Always returns UA_STATUSCODE_GOOD. Logs a warning if policies could not be added. */
UA_EXPORT UA_StatusCode
UA_ServerConfig_addAllSecurityPolicies(UA_ServerConfig *config,
                                       const UA_ByteString *certificate,
                                       const UA_ByteString *privateKey) {
    /* Populate the SecurityPolicies */
    UA_ByteString localCertificate = UA_BYTESTRING_NULL;
    UA_ByteString localPrivateKey  = UA_BYTESTRING_NULL;
    if(certificate)
        localCertificate = *certificate;
    if(privateKey)
       localPrivateKey = *privateKey;

    UA_StatusCode retval = UA_ServerConfig_addSecurityPolicyNone(config, &localCertificate);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#None with error code %s",
                       UA_StatusCode_name(retval));
    }

    retval = UA_ServerConfig_addSecurityPolicyBasic128Rsa15(config, &localCertificate, &localPrivateKey);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Basic128Rsa15 with error code %s",
                       UA_StatusCode_name(retval));
    }

    retval = UA_ServerConfig_addSecurityPolicyBasic256(config, &localCertificate, &localPrivateKey);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Basic256 with error code %s",
                       UA_StatusCode_name(retval));
    }

    retval = UA_ServerConfig_addSecurityPolicyBasic256Sha256(config, &localCertificate, &localPrivateKey);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Basic256Sha256 with error code %s",
                       UA_StatusCode_name(retval));
    }

    retval = UA_ServerConfig_addSecurityPolicyAes128Sha256RsaOaep(config, &localCertificate, &localPrivateKey);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Aes128Sha256RsaOaep with error code %s",
                       UA_StatusCode_name(retval));
    }

    return UA_STATUSCODE_GOOD;
}

UA_EXPORT UA_StatusCode
UA_ServerConfig_setDefaultWithSecurityPolicies(UA_ServerConfig *conf,
                                               UA_UInt16 portNumber,
                                               const UA_ByteString *certificate,
                                               const UA_ByteString *privateKey,
                                               const UA_ByteString *trustList,
                                               size_t trustListSize,
                                               const UA_ByteString *issuerList,
                                               size_t issuerListSize,
                                               const UA_ByteString *revocationList,
                                               size_t revocationListSize) {
    UA_StatusCode retval = setDefaultConfig(conf);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(conf);
        return retval;
    }

    retval = UA_CertificateVerification_Trustlist(&conf->certificateVerification,
                                                  trustList, trustListSize,
                                                  issuerList, issuerListSize,
                                                  revocationList, revocationListSize);
    if (retval != UA_STATUSCODE_GOOD)
        return retval;

    retval = addDefaultNetworkLayers(conf, portNumber, 0, 0);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(conf);
        return retval;
    }

    retval = UA_ServerConfig_addAllSecurityPolicies(conf, certificate, privateKey);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(conf);
        return retval;
    }

    UA_CertificateVerification accessControlVerification;
    retval = UA_CertificateVerification_Trustlist(&accessControlVerification,
                                                  trustList, trustListSize,
                                                  issuerList, issuerListSize,
                                                  revocationList, revocationListSize);
    retval |= UA_AccessControl_default(conf, true, &accessControlVerification,
                &conf->securityPolicies[conf->securityPoliciesSize-1].policyUri,
                usernamePasswordsSize, usernamePasswords);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(conf);
        return retval;
    }

    retval = UA_ServerConfig_addAllEndpoints(conf);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_ServerConfig_clean(conf);
        return retval;
    }

    return UA_STATUSCODE_GOOD;
}

#endif

/***************************/
/* Default Client Settings */
/***************************/

UA_Client * UA_Client_new(void) {
    UA_ClientConfig config;
    memset(&config, 0, sizeof(UA_ClientConfig));
    config.logger.log = UA_Log_Stdout_log;
    config.logger.context = NULL;
    config.logger.clear = UA_Log_Stdout_clear;
    return UA_Client_newWithConfig(&config);
}

UA_StatusCode
UA_ClientConfig_setDefault(UA_ClientConfig *config) {
    config->timeout = 5000;
    config->secureChannelLifeTime = 10 * 60 * 1000; /* 10 minutes */

    if(!config->logger.log) {
       config->logger.log = UA_Log_Stdout_log;
       config->logger.context = NULL;
       config->logger.clear = UA_Log_Stdout_clear;
    }

    if (config->sessionLocaleIdsSize > 0 && config->sessionLocaleIds) {
        UA_Array_delete(config->sessionLocaleIds, config->sessionLocaleIdsSize, &UA_TYPES[UA_TYPES_LOCALEID]);
    }
    config->sessionLocaleIds = NULL;
    config->sessionLocaleIds = 0;

    config->localConnectionConfig = UA_ConnectionConfig_default;

    /* Certificate Verification that accepts every certificate. Can be
     * overwritten when the policy is specialized. */
    UA_CertificateVerification_AcceptAll(&config->certificateVerification);
    UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                   "AcceptAll Certificate Verification. "
                   "Any remote certificate will be accepted.");

    /* With encryption enabled, the applicationUri needs to match the URI from
     * the certificate */
    config->clientDescription.applicationUri = UA_STRING_ALLOC(APPLICATION_URI);
    config->clientDescription.applicationType = UA_APPLICATIONTYPE_CLIENT;

    if(config->securityPoliciesSize > 0) {
        UA_LOG_ERROR(&config->logger, UA_LOGCATEGORY_NETWORK,
                     "Could not initialize a config that already has SecurityPolicies");
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    config->securityPolicies = (UA_SecurityPolicy*)UA_malloc(sizeof(UA_SecurityPolicy));
    if(!config->securityPolicies)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    UA_StatusCode retval = UA_SecurityPolicy_None(config->securityPolicies,
                                                  UA_BYTESTRING_NULL, &config->logger);
    if(retval != UA_STATUSCODE_GOOD) {
        UA_free(config->securityPolicies);
        config->securityPolicies = NULL;
        return retval;
    }
    config->securityPoliciesSize = 1;

    config->initConnectionFunc = UA_ClientConnectionTCP_init; /* for async client */
    config->pollConnectionFunc = UA_ClientConnectionTCP_poll; /* for async connection */

    config->customDataTypes = NULL;
    config->stateCallback = NULL;
    config->connectivityCheckInterval = 0;

    config->requestedSessionTimeout = 1200000; /* requestedSessionTimeout */

    config->inactivityCallback = NULL;
    config->clientContext = NULL;

#ifdef UA_ENABLE_SUBSCRIPTIONS
    config->outStandingPublishRequests = 10;
    config->subscriptionInactivityCallback = NULL;
#endif

    return UA_STATUSCODE_GOOD;
}

#ifdef UA_ENABLE_ENCRYPTION
UA_StatusCode
UA_ClientConfig_setDefaultEncryption(UA_ClientConfig *config,
                                     UA_ByteString localCertificate, UA_ByteString privateKey,
                                     const UA_ByteString *trustList, size_t trustListSize,
                                     const UA_ByteString *revocationList, size_t revocationListSize) {
    UA_StatusCode retval = UA_ClientConfig_setDefault(config);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    retval = UA_CertificateVerification_Trustlist(&config->certificateVerification,
                                                  trustList, trustListSize,
                                                  NULL, 0,
                                                  revocationList, revocationListSize);
    if(retval != UA_STATUSCODE_GOOD)
        return retval;

    /* Populate SecurityPolicies */
    UA_SecurityPolicy *sp = (UA_SecurityPolicy*)
        UA_realloc(config->securityPolicies, sizeof(UA_SecurityPolicy) * 5);
    if(!sp)
        return UA_STATUSCODE_BADOUTOFMEMORY;
    config->securityPolicies = sp;
                  
    retval = UA_SecurityPolicy_Basic128Rsa15(&config->securityPolicies[config->securityPoliciesSize],
                                             localCertificate, privateKey, &config->logger);
    if(retval == UA_STATUSCODE_GOOD) {
        ++config->securityPoliciesSize;
    } else {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Basic128Rsa15 with error code %s",
                       UA_StatusCode_name(retval));
    }

    retval = UA_SecurityPolicy_Basic256(&config->securityPolicies[config->securityPoliciesSize],
                                        localCertificate, privateKey, &config->logger);
    if(retval == UA_STATUSCODE_GOOD) {
        ++config->securityPoliciesSize;
    } else {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Basic256 with error code %s",
                       UA_StatusCode_name(retval));
    }

    retval = UA_SecurityPolicy_Basic256Sha256(&config->securityPolicies[config->securityPoliciesSize],
                                              localCertificate, privateKey, &config->logger);
    if(retval == UA_STATUSCODE_GOOD) {
        ++config->securityPoliciesSize;
    } else {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Basic256Sha256 with error code %s",
                       UA_StatusCode_name(retval));
    }

    retval = UA_SecurityPolicy_Aes128Sha256RsaOaep(&config->securityPolicies[config->securityPoliciesSize],
                                                   localCertificate, privateKey, &config->logger);
    if(retval == UA_STATUSCODE_GOOD) {
        ++config->securityPoliciesSize;
    } else {
        UA_LOG_WARNING(&config->logger, UA_LOGCATEGORY_USERLAND,
                       "Could not add SecurityPolicy#Aes128Sha256RsaOaep with error code %s",
                       UA_StatusCode_name(retval));
    }

    if(config->securityPoliciesSize == 0) {
        UA_free(config->securityPolicies);
        config->securityPolicies = NULL;
    }

    return UA_STATUSCODE_GOOD;
}
#endif

/**** amalgamated original file "/plugins/crypto/ua_pki_none.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2020 (c) Julius Pfrommer, Fraunhofer IOSB
 */


static UA_StatusCode
verifyCertificateAllowAll(void *verificationContext,
               const UA_ByteString *certificate) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
verifyApplicationURIAllowAll(void *verificationContext,
                             const UA_ByteString *certificate,
                             const UA_String *applicationURI) {
    return UA_STATUSCODE_GOOD;
}

static void
clearVerifyAllowAll(UA_CertificateVerification *cv) {

}

void UA_CertificateVerification_AcceptAll(UA_CertificateVerification *cv) {
    cv->verifyCertificate = verifyCertificateAllowAll;
    cv->verifyApplicationURI = verifyApplicationURIAllowAll;
    cv->clear = clearVerifyAllowAll;
}

/**** amalgamated original file "/plugins/crypto/ua_securitypolicy_none.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2017-2018 (c) Mark Giraud, Fraunhofer IOSB
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 */


#ifdef UA_ENABLE_ENCRYPTION_MBEDTLS
#endif

#if defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)
#endif

static UA_StatusCode
verify_none(void *channelContext,
            const UA_ByteString *message,
            const UA_ByteString *signature) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
sign_none(void *channelContext, const UA_ByteString *message,
          UA_ByteString *signature) {
    return UA_STATUSCODE_GOOD;
}

static size_t
length_none(const void *channelContext) {
    return 0;
}

static UA_StatusCode
encrypt_none(void *channelContext, UA_ByteString *data) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
decrypt_none(void *channelContext, UA_ByteString *data) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
makeThumbprint_none(const UA_SecurityPolicy *securityPolicy,
                    const UA_ByteString *certificate,
                    UA_ByteString *thumbprint) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
compareThumbprint_none(const UA_SecurityPolicy *securityPolicy,
                       const UA_ByteString *certificateThumbprint) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
generateKey_none(void *policyContext, const UA_ByteString *secret,
                 const UA_ByteString *seed, UA_ByteString *out) {
    return UA_STATUSCODE_GOOD;
}

/* Use the non-cryptographic RNG to set the nonce */
static UA_StatusCode
generateNonce_none(void *policyContext, UA_ByteString *out) {
    if(out == NULL)
        return UA_STATUSCODE_BADINTERNALERROR;

    if(out->length == 0)
        return UA_STATUSCODE_GOOD;

    /* Fill blocks of four byte */
    size_t i = 0;
    while(i + 3 < out->length) {
        UA_UInt32 randNumber = UA_UInt32_random();
        memcpy(&out->data[i], &randNumber, 4);
        i = i+4;
    }

    /* Fill the remaining byte */
    UA_UInt32 randNumber = UA_UInt32_random();
    memcpy(&out->data[i], &randNumber, out->length % 4);

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
newContext_none(const UA_SecurityPolicy *securityPolicy,
                const UA_ByteString *remoteCertificate,
                void **channelContext) {
    return UA_STATUSCODE_GOOD;
}

static void
deleteContext_none(void *channelContext) {
}

static UA_StatusCode
setContextValue_none(void *channelContext,
                     const UA_ByteString *key) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
compareCertificate_none(const void *channelContext,
                        const UA_ByteString *certificate) {
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
updateCertificateAndPrivateKey_none(UA_SecurityPolicy *policy,
                                    const UA_ByteString newCertificate,
                                    const UA_ByteString newPrivateKey) {
    UA_ByteString_clear(&policy->localCertificate);
    UA_ByteString_copy(&newCertificate, &policy->localCertificate);
    return UA_STATUSCODE_GOOD;
}


static void
policy_clear_none(UA_SecurityPolicy *policy) {
    UA_ByteString_clear(&policy->localCertificate);
}

UA_StatusCode
UA_SecurityPolicy_None(UA_SecurityPolicy *policy, const UA_ByteString localCertificate,
                       const UA_Logger *logger) {
    policy->policyContext = (void *)(uintptr_t)logger;
    policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
    policy->logger = logger;

#ifdef UA_ENABLE_ENCRYPTION_MBEDTLS
    UA_mbedTLS_LoadLocalCertificate(&localCertificate, &policy->localCertificate);
#elif defined(UA_ENABLE_ENCRYPTION_OPENSSL) || defined(UA_ENABLE_ENCRYPTION_LIBRESSL)
    UA_OpenSSL_LoadLocalCertificate(&localCertificate, &policy->localCertificate);
#else
    UA_ByteString_copy(&localCertificate, &policy->localCertificate);
#endif

    policy->symmetricModule.generateKey = generateKey_none;
    policy->symmetricModule.generateNonce = generateNonce_none;

    UA_SecurityPolicySignatureAlgorithm *sym_signatureAlgorithm =
        &policy->symmetricModule.cryptoModule.signatureAlgorithm;
    sym_signatureAlgorithm->uri = UA_STRING_NULL;
    sym_signatureAlgorithm->verify = verify_none;
    sym_signatureAlgorithm->sign = sign_none;
    sym_signatureAlgorithm->getLocalSignatureSize = length_none;
    sym_signatureAlgorithm->getRemoteSignatureSize = length_none;
    sym_signatureAlgorithm->getLocalKeyLength = length_none;
    sym_signatureAlgorithm->getRemoteKeyLength = length_none;

    UA_SecurityPolicyEncryptionAlgorithm *sym_encryptionAlgorithm =
        &policy->symmetricModule.cryptoModule.encryptionAlgorithm;
    sym_encryptionAlgorithm->uri = UA_STRING_NULL;
    sym_encryptionAlgorithm->encrypt = encrypt_none;
    sym_encryptionAlgorithm->decrypt = decrypt_none;
    sym_encryptionAlgorithm->getLocalKeyLength = length_none;
    sym_encryptionAlgorithm->getRemoteKeyLength = length_none;
    sym_encryptionAlgorithm->getRemoteBlockSize = length_none;
    sym_encryptionAlgorithm->getRemotePlainTextBlockSize = length_none;
    policy->symmetricModule.secureChannelNonceLength = 0;

    policy->asymmetricModule.makeCertificateThumbprint = makeThumbprint_none;
    policy->asymmetricModule.compareCertificateThumbprint = compareThumbprint_none;

    // This only works for none since symmetric and asymmetric crypto modules do the same i.e. nothing
    policy->asymmetricModule.cryptoModule = policy->symmetricModule.cryptoModule;

    // Use the same signing algorithm as for asymmetric signing
    policy->certificateSigningAlgorithm = policy->asymmetricModule.cryptoModule.signatureAlgorithm;

    policy->channelModule.newContext = newContext_none;
    policy->channelModule.deleteContext = deleteContext_none;
    policy->channelModule.setLocalSymEncryptingKey = setContextValue_none;
    policy->channelModule.setLocalSymSigningKey = setContextValue_none;
    policy->channelModule.setLocalSymIv = setContextValue_none;
    policy->channelModule.setRemoteSymEncryptingKey = setContextValue_none;
    policy->channelModule.setRemoteSymSigningKey = setContextValue_none;
    policy->channelModule.setRemoteSymIv = setContextValue_none;
    policy->channelModule.compareCertificate = compareCertificate_none;
    policy->updateCertificateAndPrivateKey = updateCertificateAndPrivateKey_none;
    policy->clear = policy_clear_none;

    return UA_STATUSCODE_GOOD;
}

/**** amalgamated original file "/plugins/ua_log_syslog.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2020 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 */


#if defined(__linux__) || defined(__unix__)

#include <syslog.h>

const char *syslogLevelNames[6] = {"trace", "debug", "info",
                                   "warn", "error", "fatal"};
const char *syslogCategoryNames[7] = {"network", "channel", "session", "server",
                                      "client", "userland", "securitypolicy"};

#ifdef __clang__
__attribute__((__format__(__printf__, 4 , 0)))
#endif
static void
UA_Log_Syslog_log(void *context, UA_LogLevel level, UA_LogCategory category,
                  const char *msg, va_list args) {
    /* Assume that context is casted to UA_LogLevel */
    if(context != NULL && (UA_LogLevel)(uintptr_t)context > level)
        return;

    int priority = LOG_INFO;
    switch(level) {
    case UA_LOGLEVEL_DEBUG:
        priority = LOG_DEBUG;
        break;
    case UA_LOGLEVEL_INFO:
        priority = LOG_INFO;
        break;
    case UA_LOGLEVEL_WARNING:
        priority = LOG_WARNING;
        break;
    case UA_LOGLEVEL_ERROR:
        priority = LOG_ERR;
        break;
    case UA_LOGLEVEL_FATAL:
        priority = LOG_CRIT;
        break;
    case UA_LOGLEVEL_TRACE:
    default:
        return;
    }

#define LOGBUFSIZE 512
    char logbuf[LOGBUFSIZE];
    int pos = snprintf(logbuf, LOGBUFSIZE, "[%s/%s] ",
                       syslogLevelNames[level], syslogCategoryNames[category]);
    if(pos < 0) {
        syslog(LOG_WARNING, "Log message too long for syslog");
        return;
    }
    pos = vsnprintf(&logbuf[pos], LOGBUFSIZE - (size_t)pos, msg, args);
    if(pos < 0) {
        syslog(LOG_WARNING, "Log message too long for syslog");
        return;
    }

    syslog(priority, "%s", logbuf);
}

static void
UA_Log_Syslog_clear(void *logContext) {
    /* closelog is optional. We don't use it as several loggers might be
     * instantiated in parallel. */
    /* closelog(); */
}

UA_Logger
UA_Log_Syslog(void) {
    return UA_Log_Syslog_withLevel(UA_LOGLEVEL_TRACE);
}

UA_Logger
UA_Log_Syslog_withLevel(UA_LogLevel minlevel) {
    UA_Logger logger = {UA_Log_Syslog_log, (void*)minlevel, UA_Log_Syslog_clear};
    return logger;
}

#endif

/**** amalgamated original file "/plugins/historydata/ua_history_data_backend_memory.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) basysKom GmbH <opensource@basyskom.com> (Author: Peter Rustler)
 */


#include <limits.h>
#include <string.h>

typedef struct {
    UA_DateTime timestamp;
    UA_DataValue value;
} UA_DataValueMemoryStoreItem;

static void
UA_DataValueMemoryStoreItem_clear(UA_DataValueMemoryStoreItem* item) {
    UA_DateTime_clear(&item->timestamp);
    UA_DataValue_clear(&item->value);
}

typedef struct {
    UA_NodeId nodeId;
    UA_DataValueMemoryStoreItem **dataStore;
    size_t storeEnd;
    size_t storeSize;
} UA_NodeIdStoreContextItem_backend_memory;

static void
UA_NodeIdStoreContextItem_clear(UA_NodeIdStoreContextItem_backend_memory* item) {
    UA_NodeId_clear(&item->nodeId);
    for (size_t i = 0; i < item->storeEnd; ++i) {
        UA_DataValueMemoryStoreItem_clear(item->dataStore[i]);
        UA_free(item->dataStore[i]);
    }
    UA_free(item->dataStore);
}

typedef struct {
    UA_NodeIdStoreContextItem_backend_memory *dataStore;
    size_t storeEnd;
    size_t storeSize;
    size_t initialStoreSize;
} UA_MemoryStoreContext;

static void
UA_MemoryStoreContext_clear(UA_MemoryStoreContext* ctx) {
    for (size_t i = 0; i < ctx->storeEnd; ++i) {
        UA_NodeIdStoreContextItem_clear(&ctx->dataStore[i]);
    }
    UA_free(ctx->dataStore);
    memset(ctx, 0, sizeof(UA_MemoryStoreContext));
}

static UA_NodeIdStoreContextItem_backend_memory *
getNewNodeIdContext_backend_memory(UA_MemoryStoreContext* context,
                                   UA_Server *server,
                                   const UA_NodeId *nodeId) {
    UA_MemoryStoreContext *ctx = (UA_MemoryStoreContext*)context;
    if (ctx->storeEnd >= ctx->storeSize) {
        size_t newStoreSize = ctx->storeSize * 2;
        if (newStoreSize == 0)
            return NULL;
        ctx->dataStore = (UA_NodeIdStoreContextItem_backend_memory*)UA_realloc(ctx->dataStore,  (newStoreSize * sizeof(UA_NodeIdStoreContextItem_backend_memory)));
        if (!ctx->dataStore) {
            ctx->storeSize = 0;
            return NULL;
        }
        ctx->storeSize = newStoreSize;
    }
    UA_NodeIdStoreContextItem_backend_memory *item = &ctx->dataStore[ctx->storeEnd];
    UA_NodeId_copy(nodeId, &item->nodeId);
    UA_DataValueMemoryStoreItem ** store = (UA_DataValueMemoryStoreItem **)UA_calloc(ctx->initialStoreSize, sizeof(UA_DataValueMemoryStoreItem*));
    if (!store) {
        UA_NodeIdStoreContextItem_clear(item);
        return NULL;
    }
    item->dataStore = store;
    item->storeSize = ctx->initialStoreSize;
    item->storeEnd = 0;
    ++ctx->storeEnd;
    return item;
}

static UA_NodeIdStoreContextItem_backend_memory *
getNodeIdStoreContextItem_backend_memory(UA_MemoryStoreContext* context,
                                         UA_Server *server,
                                         const UA_NodeId *nodeId)
{
    for (size_t i = 0; i < context->storeEnd; ++i) {
        if (UA_NodeId_equal(nodeId, &context->dataStore[i].nodeId)) {
            return &context->dataStore[i];
        }
    }
    return getNewNodeIdContext_backend_memory(context, server, nodeId);
}

static UA_Boolean
binarySearch_backend_memory(const UA_NodeIdStoreContextItem_backend_memory* item,
                            const UA_DateTime timestamp,
                            size_t *index) {
    if (item->storeEnd == 0) {
        *index = item->storeEnd;
        return false;
    }
    size_t min = 0;
    size_t max = item->storeEnd - 1;
    while (min <= max) {
        *index = (min + max) / 2;
        if (item->dataStore[*index]->timestamp == timestamp) {
            return true;
        } else if (item->dataStore[*index]->timestamp < timestamp) {
            if (*index == item->storeEnd - 1) {
                *index = item->storeEnd;
                return false;
            }
            min = *index + 1;
        } else {
            if (*index == 0)
                return false;
            max = *index - 1;
        }
    }
    *index = min;
    return false;

}

static size_t
resultSize_backend_memory(UA_Server *server,
                          void *context,
                          const UA_NodeId *sessionId,
                          void *sessionContext,
                          const UA_NodeId * nodeId,
                          size_t startIndex,
                          size_t endIndex) {
    const UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);
    if (item->storeEnd == 0
            || startIndex == item->storeEnd
            || endIndex == item->storeEnd)
        return 0;
    return endIndex - startIndex + 1;
}

static size_t
getDateTimeMatch_backend_memory(UA_Server *server,
                                void *context,
                                const UA_NodeId *sessionId,
                                void *sessionContext,
                                const UA_NodeId * nodeId,
                                const UA_DateTime timestamp,
                                const MatchStrategy strategy) {
    const UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);
    size_t current;
    UA_Boolean retval = binarySearch_backend_memory(item, timestamp, &current);

    if ((strategy == MATCH_EQUAL
         || strategy == MATCH_EQUAL_OR_AFTER
         || strategy == MATCH_EQUAL_OR_BEFORE)
            && retval)
        return current;
    switch (strategy) {
    case MATCH_AFTER:
        if (retval)
            return current+1;
        return current;
    case MATCH_EQUAL_OR_AFTER:
        return current;
    case MATCH_EQUAL_OR_BEFORE:
        // retval == true aka "equal" is handled before
        // Fall through if !retval
    case MATCH_BEFORE:
        if (current > 0)
            return current-1;
        else
            return item->storeEnd;
    default:
        break;
    }
    return item->storeEnd;
}


static UA_StatusCode
serverSetHistoryData_backend_memory(UA_Server *server,
                                    void *context,
                                    const UA_NodeId *sessionId,
                                    void *sessionContext,
                                    const UA_NodeId * nodeId,
                                    UA_Boolean historizing,
                                    const UA_DataValue *value)
{
    UA_NodeIdStoreContextItem_backend_memory *item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);

    if (item->storeEnd >= item->storeSize) {
        size_t newStoreSize = item->storeSize == 0 ? INITIAL_MEMORY_STORE_SIZE : item->storeSize * 2;
        item->dataStore = (UA_DataValueMemoryStoreItem **)UA_realloc(item->dataStore,  (newStoreSize * sizeof(UA_DataValueMemoryStoreItem*)));
        if (!item->dataStore) {
            item->storeSize = 0;
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        item->storeSize = newStoreSize;
    }
    UA_DateTime timestamp = 0;
    if (value->hasSourceTimestamp) {
        timestamp = value->sourceTimestamp;
    } else if (value->hasServerTimestamp) {
        timestamp = value->serverTimestamp;
    } else {
        timestamp = UA_DateTime_now();
    }
    UA_DataValueMemoryStoreItem *newItem = (UA_DataValueMemoryStoreItem *)UA_calloc(1, sizeof(UA_DataValueMemoryStoreItem));
    newItem->timestamp = timestamp;
    UA_DataValue_copy(value, &newItem->value);
    size_t index = getDateTimeMatch_backend_memory(server,
                                                   context,
                                                   NULL,
                                                   NULL,
                                                   nodeId,
                                                   timestamp,
                                                   MATCH_EQUAL_OR_AFTER);
    if (item->storeEnd > 0 && index < item->storeEnd) {
        memmove(&item->dataStore[index+1], &item->dataStore[index], sizeof(UA_DataValueMemoryStoreItem*) * (item->storeEnd - index));
    }
    item->dataStore[index] = newItem;
    ++item->storeEnd;
    return UA_STATUSCODE_GOOD;
}

static void
UA_MemoryStoreContext_delete(UA_MemoryStoreContext* ctx) {
    UA_MemoryStoreContext_clear(ctx);
    UA_free(ctx);
}

static size_t
getEnd_backend_memory(UA_Server *server,
                      void *context,
                      const UA_NodeId *sessionId,
                      void *sessionContext,
                      const UA_NodeId * nodeId) {
    const UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);
    return item->storeEnd;
}

static size_t
lastIndex_backend_memory(UA_Server *server,
                         void *context,
                         const UA_NodeId *sessionId,
                         void *sessionContext,
                         const UA_NodeId * nodeId) {
    const UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);
    if (item->storeEnd == 0)
        return 0;
    return item->storeEnd - 1;
}

static size_t
firstIndex_backend_memory(UA_Server *server,
                          void *context,
                          const UA_NodeId *sessionId,
                          void *sessionContext,
                          const UA_NodeId * nodeId) {
    return 0;
}

static UA_Boolean
boundSupported_backend_memory(UA_Server *server,
                              void *context,
                              const UA_NodeId *sessionId,
                              void *sessionContext,
                              const UA_NodeId * nodeId) {
    return true;
}

static UA_Boolean
timestampsToReturnSupported_backend_memory(UA_Server *server,
                                           void *context,
                                           const UA_NodeId *sessionId,
                                           void *sessionContext,
                                           const UA_NodeId *nodeId,
                                           const UA_TimestampsToReturn timestampsToReturn) {
    const UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);
    if (item->storeEnd == 0) {
        return true;
    }
    if (timestampsToReturn == UA_TIMESTAMPSTORETURN_NEITHER
            || timestampsToReturn == UA_TIMESTAMPSTORETURN_INVALID
            || (timestampsToReturn == UA_TIMESTAMPSTORETURN_SERVER
                && !item->dataStore[0]->value.hasServerTimestamp)
            || (timestampsToReturn == UA_TIMESTAMPSTORETURN_SOURCE
                && !item->dataStore[0]->value.hasSourceTimestamp)
            || (timestampsToReturn == UA_TIMESTAMPSTORETURN_BOTH
                && !(item->dataStore[0]->value.hasSourceTimestamp
                     && item->dataStore[0]->value.hasServerTimestamp))) {
        return false;
    }
    return true;
}

static const UA_DataValue*
getDataValue_backend_memory(UA_Server *server,
                            void *context,
                            const UA_NodeId *sessionId,
                            void *sessionContext,
                            const UA_NodeId * nodeId, size_t index) {
    const UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);
    return &item->dataStore[index]->value;
}

static UA_StatusCode
UA_DataValue_backend_copyRange(const UA_DataValue *src, UA_DataValue *dst,
                               const UA_NumericRange range)
{
    memcpy(dst, src, sizeof(UA_DataValue));
    if (src->hasValue)
        return UA_Variant_copyRange(&src->value, &dst->value, range);
    return UA_STATUSCODE_BADDATAUNAVAILABLE;
}

static UA_StatusCode
copyDataValues_backend_memory(UA_Server *server,
                              void *context,
                              const UA_NodeId *sessionId,
                              void *sessionContext,
                              const UA_NodeId * nodeId,
                              size_t startIndex,
                              size_t endIndex,
                              UA_Boolean reverse,
                              size_t maxValues,
                              UA_NumericRange range,
                              UA_Boolean releaseContinuationPoints,
                              const UA_ByteString *continuationPoint,
                              UA_ByteString *outContinuationPoint,
                              size_t * providedValues,
                              UA_DataValue * values)
{
    size_t skip = 0;
    if (continuationPoint->length > 0) {
        if (continuationPoint->length == sizeof(size_t)) {
            skip = *((size_t*)(continuationPoint->data));
        } else {
            return UA_STATUSCODE_BADCONTINUATIONPOINTINVALID;
        }
    }
    const UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)context, server, nodeId);
    size_t index = startIndex;
    size_t counter = 0;
    size_t skipedValues = 0;
    if (reverse) {
        while (index >= endIndex && index < item->storeEnd && counter < maxValues) {
            if (skipedValues++ >= skip) {
                if (range.dimensionsSize > 0) {
                    UA_DataValue_backend_copyRange(&item->dataStore[index]->value, &values[counter], range);
                } else {
                    UA_DataValue_copy(&item->dataStore[index]->value, &values[counter]);
                }
                ++counter;
            }
            --index;
        }
    } else {
        while (index <= endIndex && counter < maxValues) {
            if (skipedValues++ >= skip) {
                if (range.dimensionsSize > 0) {
                    UA_DataValue_backend_copyRange(&item->dataStore[index]->value, &values[counter], range);
                } else {
                    UA_DataValue_copy(&item->dataStore[index]->value, &values[counter]);
                }
                ++counter;
            }
            ++index;
        }
    }

    if (providedValues)
        *providedValues = counter;

    if ((!reverse && (endIndex-startIndex-skip+1) > counter) || (reverse && (startIndex-endIndex-skip+1) > counter)) {
        outContinuationPoint->length = sizeof(size_t);
        size_t t = sizeof(size_t);
        outContinuationPoint->data = (UA_Byte*)UA_malloc(t);
        *((size_t*)(outContinuationPoint->data)) = skip + counter;
    }

    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
insertDataValue_backend_memory(UA_Server *server,
                   void *hdbContext,
                   const UA_NodeId *sessionId,
                   void *sessionContext,
                   const UA_NodeId *nodeId,
                   const UA_DataValue *value)
{
    if (!value->hasSourceTimestamp && !value->hasServerTimestamp)
        return UA_STATUSCODE_BADINVALIDTIMESTAMP;
    const UA_DateTime timestamp = value->hasSourceTimestamp ? value->sourceTimestamp : value->serverTimestamp;
    UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)hdbContext, server, nodeId);

    size_t index = getDateTimeMatch_backend_memory(server,
                                    hdbContext,
                                    sessionId,
                                    sessionContext,
                                    nodeId,
                                    timestamp,
                                    MATCH_EQUAL_OR_AFTER);
    if (item->storeEnd != index && item->dataStore[index]->timestamp == timestamp)
        return UA_STATUSCODE_BADENTRYEXISTS;

    if (item->storeEnd >= item->storeSize) {
        size_t newStoreSize = item->storeSize == 0 ? INITIAL_MEMORY_STORE_SIZE : item->storeSize * 2;
        item->dataStore = (UA_DataValueMemoryStoreItem **)UA_realloc(item->dataStore,  (newStoreSize * sizeof(UA_DataValueMemoryStoreItem*)));
        if (!item->dataStore) {
            item->storeSize = 0;
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        item->storeSize = newStoreSize;
    }
    UA_DataValueMemoryStoreItem *newItem = (UA_DataValueMemoryStoreItem *)UA_calloc(1, sizeof(UA_DataValueMemoryStoreItem));
    newItem->timestamp = timestamp;
    UA_DataValue_copy(value, &newItem->value);
    if (item->storeEnd > 0 && index < item->storeEnd) {
        memmove(&item->dataStore[index+1], &item->dataStore[index], sizeof(UA_DataValueMemoryStoreItem*) * (item->storeEnd - index));
    }
    item->dataStore[index] = newItem;
    ++item->storeEnd;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
replaceDataValue_backend_memory(UA_Server *server,
                    void *hdbContext,
                    const UA_NodeId *sessionId,
                    void *sessionContext,
                    const UA_NodeId *nodeId,
                    const UA_DataValue *value)
{
    if (!value->hasSourceTimestamp && !value->hasServerTimestamp)
        return UA_STATUSCODE_BADINVALIDTIMESTAMP;
    const UA_DateTime timestamp = value->hasSourceTimestamp ? value->sourceTimestamp : value->serverTimestamp;
    UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)hdbContext, server, nodeId);

    size_t index = getDateTimeMatch_backend_memory(server,
                                    hdbContext,
                                    sessionId,
                                    sessionContext,
                                    nodeId,
                                    timestamp,
                                    MATCH_EQUAL);
    if (index == item->storeEnd)
        return UA_STATUSCODE_BADNOENTRYEXISTS;
    UA_DataValue_clear(&item->dataStore[index]->value);
    UA_DataValue_copy(value, &item->dataStore[index]->value);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
updateDataValue_backend_memory(UA_Server *server,
                   void *hdbContext,
                   const UA_NodeId *sessionId,
                   void *sessionContext,
                   const UA_NodeId *nodeId,
                   const UA_DataValue *value)
{
    // we first try to replace, because it is cheap
    UA_StatusCode ret = replaceDataValue_backend_memory(server,
                                                        hdbContext,
                                                        sessionId,
                                                        sessionContext,
                                                        nodeId,
                                                        value);
    if (ret == UA_STATUSCODE_GOOD)
        return UA_STATUSCODE_GOODENTRYREPLACED;

    ret = insertDataValue_backend_memory(server,
                                          hdbContext,
                                          sessionId,
                                          sessionContext,
                                          nodeId,
                                          value);
    if (ret == UA_STATUSCODE_GOOD)
        return UA_STATUSCODE_GOODENTRYINSERTED;

    return ret;
}

static UA_StatusCode
removeDataValue_backend_memory(UA_Server *server,
                               void *hdbContext,
                               const UA_NodeId *sessionId,
                               void *sessionContext,
                               const UA_NodeId *nodeId,
                               UA_DateTime startTimestamp,
                               UA_DateTime endTimestamp)
{
    UA_NodeIdStoreContextItem_backend_memory* item = getNodeIdStoreContextItem_backend_memory((UA_MemoryStoreContext*)hdbContext, server, nodeId);
    size_t storeEnd = item->storeEnd;
    // The first index which will be deleted
    size_t index1;
    // the first index which is not deleted
    size_t index2;
    if (startTimestamp > endTimestamp) {
        return UA_STATUSCODE_BADTIMESTAMPNOTSUPPORTED;
    }
    if (startTimestamp == endTimestamp) {
        index1 = getDateTimeMatch_backend_memory(server,
                                        hdbContext,
                                        sessionId,
                                        sessionContext,
                                        nodeId,
                                        startTimestamp,
                                        MATCH_EQUAL);
        if (index1 == storeEnd)
            return UA_STATUSCODE_BADNODATA;
        index2 = index1 + 1;
    } else {
        index1 = getDateTimeMatch_backend_memory(server,
                                        hdbContext,
                                        sessionId,
                                        sessionContext,
                                        nodeId,
                                        startTimestamp,
                                        MATCH_EQUAL_OR_AFTER);
        index2 = getDateTimeMatch_backend_memory(server,
                                        hdbContext,
                                        sessionId,
                                        sessionContext,
                                        nodeId,
                                        endTimestamp,
                                        MATCH_BEFORE);
        if (index2 == storeEnd || index1 == storeEnd || index1 > index2 )
            return UA_STATUSCODE_BADNODATA;
        ++index2;
    }
#ifndef __clang_analyzer__
    for (size_t i = index1; i < index2; ++i) {
        UA_DataValueMemoryStoreItem_clear(item->dataStore[i]);
        UA_free(item->dataStore[i]);
    }
    memmove(&item->dataStore[index1], &item->dataStore[index2], sizeof(UA_DataValueMemoryStoreItem*) * (item->storeEnd - index2));
    item->storeEnd -= index2 - index1;
#else
    (void)index1;
    (void)index2;
#endif
    return UA_STATUSCODE_GOOD;
}

static void
deleteMembers_backend_memory(UA_HistoryDataBackend *backend)
{
    if (backend == NULL || backend->context == NULL)
        return;
    UA_MemoryStoreContext_clear((UA_MemoryStoreContext*)backend->context);
    UA_free(backend->context);
}



UA_HistoryDataBackend
UA_HistoryDataBackend_Memory(size_t initialNodeIdStoreSize, size_t initialDataStoreSize) {
    if (initialNodeIdStoreSize == 0)
        initialNodeIdStoreSize = 1;
    if (initialDataStoreSize == 0)
        initialDataStoreSize = 1;
    UA_HistoryDataBackend result;
    memset(&result, 0, sizeof(UA_HistoryDataBackend));
    UA_MemoryStoreContext *ctx = (UA_MemoryStoreContext *)UA_calloc(1, sizeof(UA_MemoryStoreContext));
    if (!ctx)
        return result;
    ctx->dataStore = (UA_NodeIdStoreContextItem_backend_memory*)UA_calloc(initialNodeIdStoreSize, sizeof(UA_NodeIdStoreContextItem_backend_memory));
    ctx->initialStoreSize = initialDataStoreSize;
    ctx->storeSize = initialNodeIdStoreSize;
    ctx->storeEnd = 0;
    result.serverSetHistoryData = &serverSetHistoryData_backend_memory;
    result.resultSize = &resultSize_backend_memory;
    result.getEnd = &getEnd_backend_memory;
    result.lastIndex = &lastIndex_backend_memory;
    result.firstIndex = &firstIndex_backend_memory;
    result.getDateTimeMatch = &getDateTimeMatch_backend_memory;
    result.copyDataValues = &copyDataValues_backend_memory;
    result.getDataValue = &getDataValue_backend_memory;
    result.boundSupported = &boundSupported_backend_memory;
    result.timestampsToReturnSupported = &timestampsToReturnSupported_backend_memory;
    result.insertDataValue =  &insertDataValue_backend_memory;
    result.updateDataValue =  &updateDataValue_backend_memory;
    result.replaceDataValue =  &replaceDataValue_backend_memory;
    result.removeDataValue =  &removeDataValue_backend_memory;
    result.deleteMembers = &deleteMembers_backend_memory;
    result.getHistoryData = NULL;
    result.context = ctx;
    return result;
}

void
UA_HistoryDataBackend_Memory_clear(UA_HistoryDataBackend *backend)
{
    UA_MemoryStoreContext *ctx = (UA_MemoryStoreContext*)backend->context;
    UA_MemoryStoreContext_delete(ctx);
    memset(backend, 0, sizeof(UA_HistoryDataBackend));
}

/**** amalgamated original file "/plugins/historydata/ua_history_data_gathering_default.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) basysKom GmbH <opensource@basyskom.com> (Author: Peter Rustler)
 */


#include <string.h>

typedef struct {
    UA_NodeId nodeId;
    UA_HistorizingNodeIdSettings setting;
    UA_MonitoredItemCreateResult monitoredResult;
} UA_NodeIdStoreContextItem_gathering_default;

typedef struct {
    UA_NodeIdStoreContextItem_gathering_default *dataStore;
    size_t storeEnd;
    size_t storeSize;
} UA_NodeIdStoreContext;

static void
dataChangeCallback_gathering_default(UA_Server *server,
                                     UA_UInt32 monitoredItemId,
                                     void *monitoredItemContext,
                                     const UA_NodeId *nodeId,
                                     void *nodeContext,
                                     UA_UInt32 attributeId,
                                     const UA_DataValue *value)
{
    UA_NodeIdStoreContextItem_gathering_default *context = (UA_NodeIdStoreContextItem_gathering_default*)monitoredItemContext;
    context->setting.historizingBackend.serverSetHistoryData(server,
                                                             context->setting.historizingBackend.context,
                                                             NULL,
                                                             NULL,
                                                             nodeId,
                                                             UA_TRUE,
                                                             value);
}

static UA_NodeIdStoreContextItem_gathering_default*
getNodeIdStoreContextItem_gathering_default(UA_NodeIdStoreContext *context,
                                            const UA_NodeId *nodeId)
{
    for (size_t i = 0; i < context->storeEnd; ++i) {
        if (UA_NodeId_equal(&context->dataStore[i].nodeId, nodeId)) {
            return &context->dataStore[i];
        }
    }
    return NULL;
}

static UA_StatusCode
startPoll(UA_Server *server, UA_NodeIdStoreContextItem_gathering_default *item)
{
    UA_MonitoredItemCreateRequest monitorRequest =
            UA_MonitoredItemCreateRequest_default(item->nodeId);
    monitorRequest.requestedParameters.samplingInterval = (double)item->setting.pollingInterval;
    monitorRequest.monitoringMode = UA_MONITORINGMODE_REPORTING;
    item->monitoredResult =
            UA_Server_createDataChangeMonitoredItem(server,
                                                    UA_TIMESTAMPSTORETURN_BOTH,
                                                    monitorRequest,
                                                    item,
                                                    &dataChangeCallback_gathering_default);
    return item->monitoredResult.statusCode;
}

static UA_StatusCode
stopPoll(UA_Server *server, UA_NodeIdStoreContextItem_gathering_default *item)
{
    UA_StatusCode retval = UA_Server_deleteMonitoredItem(server, item->monitoredResult.monitoredItemId);
    UA_MonitoredItemCreateResult_init(&item->monitoredResult);
    return retval;
}

static UA_StatusCode
stopPoll_gathering_default(UA_Server *server,
                           void *context,
                           const UA_NodeId *nodeId)
{
    UA_NodeIdStoreContext *ctx = (UA_NodeIdStoreContext *)context;
    UA_NodeIdStoreContextItem_gathering_default *item = getNodeIdStoreContextItem_gathering_default(ctx, nodeId);
    if (!item) {
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    }
    if (item->setting.historizingUpdateStrategy != UA_HISTORIZINGUPDATESTRATEGY_POLL)
        return UA_STATUSCODE_BADNODEIDINVALID;
    if (item->monitoredResult.monitoredItemId == 0)
        return UA_STATUSCODE_BADMONITOREDITEMIDINVALID;
    return stopPoll(server, item);
}

static UA_StatusCode
startPoll_gathering_default(UA_Server *server,
                            void *context,
                            const UA_NodeId *nodeId)
{
    UA_NodeIdStoreContext *ctx = (UA_NodeIdStoreContext *)context;
    UA_NodeIdStoreContextItem_gathering_default *item = getNodeIdStoreContextItem_gathering_default(ctx, nodeId);
    if (!item) {
        return UA_STATUSCODE_BADNODEIDUNKNOWN;
    }
    if (item->setting.historizingUpdateStrategy != UA_HISTORIZINGUPDATESTRATEGY_POLL)
        return UA_STATUSCODE_BADNODEIDINVALID;
    if (item->monitoredResult.monitoredItemId > 0)
        return UA_STATUSCODE_BADMONITOREDITEMIDINVALID;
    return startPoll(server, item);
}

static UA_StatusCode
registerNodeId_gathering_default(UA_Server *server,
                                 void *context,
                                 const UA_NodeId *nodeId,
                                 const UA_HistorizingNodeIdSettings setting)
{
    UA_NodeIdStoreContext *ctx = (UA_NodeIdStoreContext*)context;
    if (getNodeIdStoreContextItem_gathering_default(ctx, nodeId)) {
        return UA_STATUSCODE_BADNODEIDEXISTS;
    }
    if (ctx->storeEnd >= ctx->storeSize) {
        size_t newStoreSize = ctx->storeSize * 2;
        ctx->dataStore = (UA_NodeIdStoreContextItem_gathering_default*)UA_realloc(ctx->dataStore,  (newStoreSize * sizeof(UA_NodeIdStoreContextItem_gathering_default)));
        if (!ctx->dataStore) {
            ctx->storeSize = 0;
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        memset(&ctx->dataStore[ctx->storeSize], 0, (newStoreSize - ctx->storeSize) * sizeof(UA_NodeIdStoreContextItem_gathering_default));
        ctx->storeSize = newStoreSize;
    }
    UA_NodeId_copy(nodeId, &ctx->dataStore[ctx->storeEnd].nodeId);
    size_t current = ctx->storeEnd;
    ctx->dataStore[current].setting = setting;
    ++ctx->storeEnd;
    return UA_STATUSCODE_GOOD;
}

static const UA_HistorizingNodeIdSettings*
getHistorizingSetting_gathering_default(UA_Server *server,
                                        void *context,
                                        const UA_NodeId *nodeId)
{
    UA_NodeIdStoreContext *ctx = (UA_NodeIdStoreContext*)context;
    UA_NodeIdStoreContextItem_gathering_default *item = getNodeIdStoreContextItem_gathering_default(ctx, nodeId);
    if (item) {
        return &item->setting;
    }
    return NULL;
}

static void
deleteMembers_gathering_default(UA_HistoryDataGathering *gathering)
{
    if (gathering == NULL || gathering->context == NULL)
        return;
    UA_NodeIdStoreContext *ctx = (UA_NodeIdStoreContext*)gathering->context;
    for (size_t i = 0; i < ctx->storeEnd; ++i) {
        UA_NodeId_clear(&ctx->dataStore[i].nodeId);
        // There is still a monitored item present for this gathering
        // You need to remove it with UA_Server_deleteMonitoredItem
        UA_assert(ctx->dataStore[i].monitoredResult.monitoredItemId == 0);
    }
    UA_free(ctx->dataStore);
    UA_free(gathering->context);
}

static UA_Boolean
updateNodeIdSetting_gathering_default(UA_Server *server,
                                      void *context,
                                      const UA_NodeId *nodeId,
                                      const UA_HistorizingNodeIdSettings setting)
{
    UA_NodeIdStoreContext *ctx = (UA_NodeIdStoreContext*)context;
    UA_NodeIdStoreContextItem_gathering_default *item = getNodeIdStoreContextItem_gathering_default(ctx, nodeId);
    if (!item) {
        return false;
    }
    stopPoll_gathering_default(server, context, nodeId);
    item->setting = setting;
    return true;
}

static void
setValue_gathering_default(UA_Server *server,
                           void *context,
                           const UA_NodeId *sessionId,
                           void *sessionContext,
                           const UA_NodeId *nodeId,
                           UA_Boolean historizing,
                           const UA_DataValue *value)
{
    UA_NodeIdStoreContext *ctx = (UA_NodeIdStoreContext*)context;
    UA_NodeIdStoreContextItem_gathering_default *item = getNodeIdStoreContextItem_gathering_default(ctx, nodeId);
    if (!item) {
        return;
    }
    if (item->setting.historizingUpdateStrategy == UA_HISTORIZINGUPDATESTRATEGY_VALUESET) {
        item->setting.historizingBackend.serverSetHistoryData(server,
                                                              item->setting.historizingBackend.context,
                                                              sessionId,
                                                              sessionContext,
                                                              nodeId,
                                                              historizing,
                                                              value);
    }
}

UA_HistoryDataGathering
UA_HistoryDataGathering_Default(size_t initialNodeIdStoreSize)
{
    UA_HistoryDataGathering gathering;
    memset(&gathering, 0, sizeof(UA_HistoryDataGathering));
    gathering.setValue = &setValue_gathering_default;
    gathering.getHistorizingSetting = &getHistorizingSetting_gathering_default;
    gathering.registerNodeId = &registerNodeId_gathering_default;
    gathering.startPoll = &startPoll_gathering_default;
    gathering.stopPoll = &stopPoll_gathering_default;
    gathering.deleteMembers = &deleteMembers_gathering_default;
    gathering.updateNodeIdSetting = &updateNodeIdSetting_gathering_default;
    UA_NodeIdStoreContext *context = (UA_NodeIdStoreContext*)UA_calloc(1, sizeof(UA_NodeIdStoreContext));
    context->storeEnd = 0;
    context->storeSize = initialNodeIdStoreSize;
    context->dataStore = (UA_NodeIdStoreContextItem_gathering_default*)UA_calloc(initialNodeIdStoreSize, sizeof(UA_NodeIdStoreContextItem_gathering_default));
    gathering.context = context;
    return gathering;
}

/**** amalgamated original file "/plugins/historydata/ua_history_database_default.c" ****/

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *    Copyright 2018 (c) basysKom GmbH <opensource@basyskom.com> (Author: Peter Rustler)
 */


#include <limits.h>

typedef struct {
    UA_HistoryDataGathering gathering;
} UA_HistoryDatabaseContext_default;

static size_t
getResultSize_service_default(const UA_HistoryDataBackend* backend,
                              UA_Server *server,
                              const UA_NodeId *sessionId,
                              void* sessionContext,
                              const UA_NodeId *nodeId,
                              UA_DateTime start,
                              UA_DateTime end,
                              UA_UInt32 numValuesPerNode,
                              UA_Boolean returnBounds,
                              size_t *startIndex,
                              size_t *endIndex,
                              UA_Boolean *addFirst,
                              UA_Boolean *addLast,
                              UA_Boolean *reverse)
{
    size_t storeEnd = backend->getEnd(server, backend->context, sessionId, sessionContext, nodeId);
    size_t firstIndex = backend->firstIndex(server, backend->context, sessionId, sessionContext, nodeId);
    size_t lastIndex = backend->lastIndex(server, backend->context, sessionId, sessionContext, nodeId);
    *startIndex = storeEnd;
    *endIndex = storeEnd;
    *addFirst = false;
    *addLast = false;
    if (end == LLONG_MIN) {
        *reverse = false;
    } else if (start == LLONG_MIN) {
        *reverse = true;
    } else {
        *reverse = end < start;
    }
    UA_Boolean equal = start == end;
    size_t size = 0;
    if (lastIndex != storeEnd) {
        if (equal) {
            if (returnBounds) {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL_OR_BEFORE);
                if (*startIndex == storeEnd) {
                    *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_AFTER);
                    *addFirst = true;
                }
                *endIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_AFTER);
                size = backend->resultSize(server, backend->context, sessionId, sessionContext, nodeId, *startIndex, *endIndex);
            } else {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL);
                *endIndex = *startIndex;
                if (*startIndex == storeEnd)
                    size = 0;
                else
                    size = 1;
            }
        } else if (start == LLONG_MIN) {
            *endIndex = firstIndex;
            if (returnBounds) {
                *addLast = true;
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_EQUAL_OR_AFTER);
                if (*startIndex == storeEnd) {
                    *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_EQUAL_OR_BEFORE);
                    *addFirst = true;
                }
            } else {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_EQUAL_OR_BEFORE);
            }
            size = backend->resultSize(server, backend->context, sessionId, sessionContext, nodeId, *endIndex, *startIndex);
        } else if (end == LLONG_MIN) {
            *endIndex = lastIndex;
            if (returnBounds) {
                *addLast = true;
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL_OR_BEFORE);
                if (*startIndex == storeEnd) {
                    *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_AFTER);
                    *addFirst = true;
                }
            } else {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL_OR_AFTER);
            }
            size = backend->resultSize(server, backend->context, sessionId, sessionContext, nodeId, *startIndex, *endIndex);
        } else if (*reverse) {
            if (returnBounds) {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL_OR_AFTER);
                if (*startIndex == storeEnd) {
                    *addFirst = true;
                    *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_BEFORE);
                }
                *endIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_EQUAL_OR_BEFORE);
                if (*endIndex == storeEnd) {
                    *addLast = true;
                    *endIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_AFTER);
                }
            } else {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL_OR_BEFORE);
                *endIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_AFTER);
            }
            size = backend->resultSize(server, backend->context, sessionId, sessionContext, nodeId, *endIndex, *startIndex);
        } else {
            if (returnBounds) {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL_OR_BEFORE);
                if (*startIndex == storeEnd) {
                    *addFirst = true;
                    *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_AFTER);
                }
                *endIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_EQUAL_OR_AFTER);
                if (*endIndex == storeEnd) {
                    *addLast = true;
                    *endIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_BEFORE);
                }
            } else {
                *startIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, start, MATCH_EQUAL_OR_AFTER);
                *endIndex = backend->getDateTimeMatch(server, backend->context, sessionId, sessionContext, nodeId, end, MATCH_BEFORE);
            }
            size = backend->resultSize(server, backend->context, sessionId, sessionContext, nodeId, *startIndex, *endIndex);
        }
    } else if (returnBounds) {
        *addLast = true;
        *addFirst = true;
    }

    if (*addLast)
        ++size;
    if (*addFirst)
        ++size;

    if (numValuesPerNode > 0 && size > numValuesPerNode) {
        size = numValuesPerNode;
        *addLast = false;
    }
    return size;
}

static UA_StatusCode
getHistoryData_service_default(const UA_HistoryDataBackend* backend,
                               const UA_DateTime start,
                               const UA_DateTime end,
                               UA_Server *server,
                               const UA_NodeId *sessionId,
                               void *sessionContext,
                               const UA_NodeId* nodeId,
                               size_t maxSize,
                               UA_UInt32 numValuesPerNode,
                               UA_Boolean returnBounds,
                               UA_TimestampsToReturn timestampsToReturn,
                               UA_NumericRange range,
                               UA_Boolean releaseContinuationPoints,
                               const UA_ByteString *continuationPoint,
                               UA_ByteString *outContinuationPoint,
                               size_t *resultSize,
                               UA_DataValue ** result)
{
    size_t skip = 0;
    UA_ByteString backendContinuationPoint;
    UA_ByteString_init(&backendContinuationPoint);
    if (continuationPoint->length > 0) {
        if (continuationPoint->length >= sizeof(size_t)) {
            skip = *((size_t*)(continuationPoint->data));
            if (continuationPoint->length > 0) {
                backendContinuationPoint.length = continuationPoint->length - sizeof(size_t);
                backendContinuationPoint.data = continuationPoint->data + sizeof(size_t);
            }
        } else {
            return UA_STATUSCODE_BADCONTINUATIONPOINTINVALID;
        }
    }

    size_t storeEnd = backend->getEnd(server, backend->context, sessionId, sessionContext, nodeId);
    size_t startIndex;
    size_t endIndex;
    UA_Boolean addFirst;
    UA_Boolean addLast;
    UA_Boolean reverse;
    size_t _resultSize = getResultSize_service_default(backend,
                                                       server,
                                                       sessionId,
                                                       sessionContext,
                                                       nodeId,
                                                       start,
                                                       end,
                                                       numValuesPerNode == 0 ? 0 : numValuesPerNode + (UA_UInt32)skip,
                                                       returnBounds,
                                                       &startIndex,
                                                       &endIndex,
                                                       &addFirst,
                                                       &addLast,
                                                       &reverse);
    *resultSize = _resultSize - skip;
    if (*resultSize > maxSize) {
        *resultSize = maxSize;
    }
    UA_DataValue *outResult= (UA_DataValue*)UA_Array_new(*resultSize, &UA_TYPES[UA_TYPES_DATAVALUE]);
    if (!outResult) {
        *resultSize = 0;
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }
    *result = outResult;

    size_t counter = 0;
    if (addFirst) {
        if (skip == 0) {
            outResult[counter].hasStatus = true;
            outResult[counter].status = UA_STATUSCODE_BADBOUNDNOTFOUND;
            outResult[counter].hasSourceTimestamp = true;
            if (start == LLONG_MIN) {
                outResult[counter].sourceTimestamp = end;
            } else {
                outResult[counter].sourceTimestamp = start;
            }
            ++counter;
        }
    }
    UA_ByteString backendOutContinuationPoint;
    UA_ByteString_init(&backendOutContinuationPoint);
    if (endIndex != storeEnd && startIndex != storeEnd) {
        size_t retval = 0;

        size_t valueSize = *resultSize - counter;
        if (valueSize + skip > _resultSize - addFirst - addLast) {
            if (skip == 0) {
                valueSize = _resultSize - addFirst - addLast;
            } else {
                valueSize = _resultSize - skip - addLast;
            }

        }

        UA_StatusCode ret = UA_STATUSCODE_GOOD;
        if (valueSize > 0)
            ret = backend->copyDataValues(server,
                                          backend->context,
                                          sessionId,
                                          sessionContext,
                                          nodeId,
                                          startIndex,
                                          endIndex,
                                          reverse,
                                          valueSize,
                                          range,
                                          releaseContinuationPoints,
                                          &backendContinuationPoint,
                                          &backendOutContinuationPoint,
                                          &retval,
                                          &outResult[counter]);
        if (ret != UA_STATUSCODE_GOOD) {
            UA_Array_delete(outResult, *resultSize, &UA_TYPES[UA_TYPES_DATAVALUE]);
            *result = NULL;
            *resultSize = 0;
            return ret;
        }
        counter += retval;
    }
    if (addLast && counter < *resultSize) {
        outResult[counter].hasStatus = true;
        outResult[counter].status = UA_STATUSCODE_BADBOUNDNOTFOUND;
        outResult[counter].hasSourceTimestamp = true;
        if (start == LLONG_MIN && storeEnd != backend->firstIndex(server, backend->context, sessionId, sessionContext, nodeId)) {
            outResult[counter].sourceTimestamp = backend->getDataValue(server, backend->context, sessionId, sessionContext, nodeId, endIndex)->sourceTimestamp - UA_DATETIME_SEC;
        } else if (end == LLONG_MIN && storeEnd != backend->firstIndex(server, backend->context, sessionId, sessionContext, nodeId)) {
            outResult[counter].sourceTimestamp = backend->getDataValue(server, backend->context, sessionId, sessionContext, nodeId, endIndex)->sourceTimestamp + UA_DATETIME_SEC;
        } else {
            outResult[counter].sourceTimestamp = end;
        }
    }
    // there are more values
    if (skip + *resultSize < _resultSize
            // there are not more values for this request, but there are more values in database
            || (backendOutContinuationPoint.length > 0
                && numValuesPerNode != 0)
            // we deliver just one value which is a FIRST/LAST value
            || (skip == 0
                && addFirst == true
                && *resultSize == 1)) {
        if(UA_ByteString_allocBuffer(outContinuationPoint, backendOutContinuationPoint.length + sizeof(size_t))
                != UA_STATUSCODE_GOOD) {
            return UA_STATUSCODE_BADOUTOFMEMORY;
        }
        *((size_t*)(outContinuationPoint->data)) = skip + *resultSize;
        if(backendOutContinuationPoint.length > 0)
            memcpy(outContinuationPoint->data + sizeof(size_t), backendOutContinuationPoint.data, backendOutContinuationPoint.length);
    }
    UA_ByteString_clear(&backendOutContinuationPoint);
    return UA_STATUSCODE_GOOD;
}

static void
updateData_service_default(UA_Server *server,
                           void *hdbContext,
                           const UA_NodeId *sessionId,
                           void *sessionContext,
                           const UA_RequestHeader *requestHeader,
                           const UA_UpdateDataDetails *details,
                           UA_HistoryUpdateResult *result)
{
    UA_HistoryDatabaseContext_default *ctx = (UA_HistoryDatabaseContext_default*)hdbContext;
    UA_Byte accessLevel = 0;
    UA_Server_readAccessLevel(server,
                              details->nodeId,
                              &accessLevel);
    if (!(accessLevel & UA_ACCESSLEVELMASK_HISTORYWRITE)) {
        result->statusCode = UA_STATUSCODE_BADUSERACCESSDENIED;
        return;
    }

    UA_Boolean historizing = false;
    UA_Server_readHistorizing(server,
                              details->nodeId,
                              &historizing);
    if (!historizing) {
        result->statusCode = UA_STATUSCODE_BADHISTORYOPERATIONINVALID;
        return;
    }
    const UA_HistorizingNodeIdSettings *setting = ctx->gathering.getHistorizingSetting(
                server,
                ctx->gathering.context,
                &details->nodeId);

    if (!setting) {
        result->statusCode = UA_STATUSCODE_BADHISTORYOPERATIONINVALID;
        return;
    }

    UA_ServerConfig *config = UA_Server_getConfig(server);
    result->operationResultsSize = details->updateValuesSize;
    result->operationResults = (UA_StatusCode*)UA_Array_new(result->operationResultsSize, &UA_TYPES[UA_TYPES_STATUSCODE]);
    for (size_t i = 0; i < details->updateValuesSize; ++i) {
        if (config->accessControl.allowHistoryUpdateUpdateData &&
            !config->accessControl.allowHistoryUpdateUpdateData(server, &config->accessControl, sessionId, sessionContext,
                                                                &details->nodeId, details->performInsertReplace,
                                                                &details->updateValues[i])) {
            result->operationResults[i] = UA_STATUSCODE_BADUSERACCESSDENIED;
            continue;
        }
        switch (details->performInsertReplace) {
        case UA_PERFORMUPDATETYPE_INSERT:
            if (!setting->historizingBackend.insertDataValue) {
                result->operationResults[i] = UA_STATUSCODE_BADHISTORYOPERATIONUNSUPPORTED;
                continue;
            }
            result->operationResults[i]
                    = setting->historizingBackend.insertDataValue(server,
                                                                  setting->historizingBackend.context,
                                                                  sessionId,
                                                                  sessionContext,
                                                                  &details->nodeId,
                                                                  &details->updateValues[i]);
            continue;
        case UA_PERFORMUPDATETYPE_REPLACE:
            if (!setting->historizingBackend.replaceDataValue) {
                result->operationResults[i] = UA_STATUSCODE_BADHISTORYOPERATIONUNSUPPORTED;
                continue;
            }
            result->operationResults[i]
                    = setting->historizingBackend.replaceDataValue(server,
                                                                   setting->historizingBackend.context,
                                                                   sessionId,
                                                                   sessionContext,
                                                                   &details->nodeId,
                                                                   &details->updateValues[i]);
            continue;
        case UA_PERFORMUPDATETYPE_UPDATE:
            if (!setting->historizingBackend.updateDataValue) {
                result->operationResults[i] = UA_STATUSCODE_BADHISTORYOPERATIONUNSUPPORTED;
                continue;
            }
            result->operationResults[i]
                    = setting->historizingBackend.updateDataValue(server,
                                                                  setting->historizingBackend.context,
                                                                  sessionId,
                                                                  sessionContext,
                                                                  &details->nodeId,
                                                                  &details->updateValues[i]);
            continue;
        default:
            result->operationResults[i] = UA_STATUSCODE_BADHISTORYOPERATIONINVALID;
            continue;
        }
    }
}


static void
deleteRawModified_service_default(UA_Server *server,
                                  void *hdbContext,
                                  const UA_NodeId *sessionId,
                                  void *sessionContext,
                                  const UA_RequestHeader *requestHeader,
                                  const UA_DeleteRawModifiedDetails *details,
                                  UA_HistoryUpdateResult *result)
{
    if (details->isDeleteModified) {
        result->statusCode = UA_STATUSCODE_BADHISTORYOPERATIONUNSUPPORTED;
        return;
    }
    UA_HistoryDatabaseContext_default *ctx = (UA_HistoryDatabaseContext_default*)hdbContext;
    UA_Byte accessLevel = 0;
    UA_Server_readAccessLevel(server,
                              details->nodeId,
                              &accessLevel);
    if (!(accessLevel & UA_ACCESSLEVELMASK_HISTORYWRITE)) {
        result->statusCode = UA_STATUSCODE_BADUSERACCESSDENIED;
        return;
    }

    UA_Boolean historizing = false;
    UA_Server_readHistorizing(server,
                              details->nodeId,
                              &historizing);
    if (!historizing) {
        result->statusCode = UA_STATUSCODE_BADHISTORYOPERATIONINVALID;
        return;
    }
    const UA_HistorizingNodeIdSettings *setting = ctx->gathering.getHistorizingSetting(
                server,
                ctx->gathering.context,
                &details->nodeId);

    if (!setting) {
        result->statusCode = UA_STATUSCODE_BADHISTORYOPERATIONINVALID;
        return;
    }
    if (!setting->historizingBackend.removeDataValue) {
        result->statusCode = UA_STATUSCODE_BADHISTORYOPERATIONUNSUPPORTED;
        return;
    }

    UA_ServerConfig *config = UA_Server_getConfig(server);
    if (config->accessControl.allowHistoryUpdateDeleteRawModified &&
        !config->accessControl.allowHistoryUpdateDeleteRawModified(server,
                 &config->accessControl, sessionId, sessionContext, &details->nodeId,
                 details->startTime, details->endTime, details->isDeleteModified)) {
        result->statusCode = UA_STATUSCODE_BADUSERACCESSDENIED;
        return;
    }

    result->statusCode
            = setting->historizingBackend.removeDataValue(server,
                                                          setting->historizingBackend.context,
                                                          sessionId,
                                                          sessionContext,
                                                          &details->nodeId,
                                                          details->startTime,
                                                          details->endTime);
}

static void
readRaw_service_default(UA_Server *server,
                        void *context,
                        const UA_NodeId *sessionId,
                        void *sessionContext,
                        const UA_RequestHeader *requestHeader,
                        const UA_ReadRawModifiedDetails *historyReadDetails,
                        UA_TimestampsToReturn timestampsToReturn,
                        UA_Boolean releaseContinuationPoints,
                        size_t nodesToReadSize,
                        const UA_HistoryReadValueId *nodesToRead,
                        UA_HistoryReadResponse *response,
                        UA_HistoryData * const * const historyData)
{
    UA_HistoryDatabaseContext_default *ctx = (UA_HistoryDatabaseContext_default*)context;
    for (size_t i = 0; i < nodesToReadSize; ++i) {
        UA_Byte accessLevel = 0;
        UA_Server_readAccessLevel(server,
                                  nodesToRead[i].nodeId,
                                  &accessLevel);
        if (!(accessLevel & UA_ACCESSLEVELMASK_HISTORYREAD)) {
            response->results[i].statusCode = UA_STATUSCODE_BADUSERACCESSDENIED;
            continue;
        }

        UA_Boolean historizing = false;
        UA_Server_readHistorizing(server,
                                  nodesToRead[i].nodeId,
                                  &historizing);
        if (!historizing) {
            response->results[i].statusCode = UA_STATUSCODE_BADHISTORYOPERATIONINVALID;
            continue;
        }

        const UA_HistorizingNodeIdSettings *setting = ctx->gathering.getHistorizingSetting(
                    server,
                    ctx->gathering.context,
                    &nodesToRead[i].nodeId);

        if (!setting) {
            response->results[i].statusCode = UA_STATUSCODE_BADHISTORYOPERATIONINVALID;
            continue;
        }

        if (historyReadDetails->returnBounds && !setting->historizingBackend.boundSupported(
                    server,
                    setting->historizingBackend.context,
                    sessionId,
                    sessionContext,
                    &nodesToRead[i].nodeId)) {
            response->results[i].statusCode = UA_STATUSCODE_BADBOUNDNOTSUPPORTED;
            continue;
        }

        if (!setting->historizingBackend.timestampsToReturnSupported(
                    server,
                    setting->historizingBackend.context,
                    sessionId,
                    sessionContext,
                    &nodesToRead[i].nodeId,
                    timestampsToReturn)) {
            response->results[i].statusCode = UA_STATUSCODE_BADTIMESTAMPNOTSUPPORTED;
            continue;
        }

        UA_NumericRange range;
        range.dimensionsSize = 0;
        range.dimensions = NULL;
        if (nodesToRead[i].indexRange.length > 0) {
            UA_StatusCode rangeParseResult = UA_NumericRange_parse(&range, nodesToRead[i].indexRange);
            if (rangeParseResult != UA_STATUSCODE_GOOD) {
                response->results[i].statusCode = rangeParseResult;
                continue;
            }
        }

        UA_StatusCode getHistoryDataStatusCode;
        if (setting->historizingBackend.getHistoryData) {
            getHistoryDataStatusCode = setting->historizingBackend.getHistoryData(
                        server,
                        sessionId,
                        sessionContext,
                        &setting->historizingBackend,
                        historyReadDetails->startTime,
                        historyReadDetails->endTime,
                        &nodesToRead[i].nodeId,
                        setting->maxHistoryDataResponseSize,
                        historyReadDetails->numValuesPerNode,
                        historyReadDetails->returnBounds,
                        timestampsToReturn,
                        range,
                        releaseContinuationPoints,
                        &nodesToRead[i].continuationPoint,
                        &response->results[i].continuationPoint,
                        historyData[i]);
        } else {
            getHistoryDataStatusCode = getHistoryData_service_default(
                        &setting->historizingBackend,
                        historyReadDetails->startTime,
                        historyReadDetails->endTime,
                        server,
                        sessionId,
                        sessionContext,
                        &nodesToRead[i].nodeId,
                        setting->maxHistoryDataResponseSize,
                        historyReadDetails->numValuesPerNode,
                        historyReadDetails->returnBounds,
                        timestampsToReturn,
                        range,
                        releaseContinuationPoints,
                        &nodesToRead[i].continuationPoint,
                        &response->results[i].continuationPoint,
                        &historyData[i]->dataValuesSize,
                        &historyData[i]->dataValues);
        }
        if (getHistoryDataStatusCode != UA_STATUSCODE_GOOD) {
            response->results[i].statusCode = getHistoryDataStatusCode;
            continue;
        }
    }
    response->responseHeader.serviceResult = UA_STATUSCODE_GOOD;
    return;
}

static void
setValue_service_default(UA_Server *server,
                         void *context,
                         const UA_NodeId *sessionId,
                         void *sessionContext,
                         const UA_NodeId *nodeId,
                         UA_Boolean historizing,
                         const UA_DataValue *value)
{
    UA_HistoryDatabaseContext_default *ctx = (UA_HistoryDatabaseContext_default*)context;
    if (ctx->gathering.setValue)
        ctx->gathering.setValue(server,
                                ctx->gathering.context,
                                sessionId,
                                sessionContext,
                                nodeId,
                                historizing,
                                value);
}

static void
clear_service_default(UA_HistoryDatabase *hdb)
{
    if (hdb == NULL || hdb->context == NULL)
        return;
    UA_HistoryDatabaseContext_default *ctx = (UA_HistoryDatabaseContext_default*)hdb->context;
    ctx->gathering.deleteMembers(&ctx->gathering);
    UA_free(ctx);
}

UA_HistoryDatabase
UA_HistoryDatabase_default(UA_HistoryDataGathering gathering)
{
    UA_HistoryDatabase hdb;
    memset(&hdb, 0, sizeof(UA_HistoryDatabase));
    UA_HistoryDatabaseContext_default *context =
            (UA_HistoryDatabaseContext_default*)
            UA_calloc(1, sizeof(UA_HistoryDatabaseContext_default));
    context->gathering = gathering;
    hdb.context = context;
    hdb.readRaw = &readRaw_service_default;
    hdb.setValue = &setValue_service_default;
    hdb.updateData = &updateData_service_default;
    hdb.deleteRawModified = &deleteRawModified_service_default;
    hdb.clear = clear_service_default;
    return hdb;
}

/**** amalgamated original file "/arch/posix/ua_clock.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. 
 *
 *    Copyright 2016-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Thomas Stalder, Blue Time Concept SA
 */

#ifdef UA_ARCHITECTURE_POSIX


#include <time.h>
#include <sys/time.h>

#if defined(__APPLE__) || defined(__MACH__)
# include <mach/clock.h>
# include <mach/mach.h>
#endif

UA_DateTime UA_DateTime_now(void) {
    struct timeval tv;
    gettimeofday(&tv, NULL);
    return (tv.tv_sec * UA_DATETIME_SEC) + (tv.tv_usec * UA_DATETIME_USEC) + UA_DATETIME_UNIX_EPOCH;
}

/* Credit to https://stackoverflow.com/questions/13804095/get-the-time-zone-gmt-offset-in-c */
UA_Int64 UA_DateTime_localTimeUtcOffset(void) {
    time_t gmt, rawtime = time(NULL);
    struct tm *ptm;
    struct tm gbuf;
    ptm = gmtime_r(&rawtime, &gbuf);
    // Request that mktime() looksup dst in timezone database
    ptm->tm_isdst = -1;
    gmt = mktime(ptm);
    return (UA_Int64) (difftime(rawtime, gmt) * UA_DATETIME_SEC);
}

UA_DateTime UA_DateTime_nowMonotonic(void) {
#if defined(__APPLE__) || defined(__MACH__)
    /* OS X does not have clock_gettime, use clock_get_time */
    clock_serv_t cclock;
    mach_timespec_t mts;
    host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
    clock_get_time(cclock, &mts);
    mach_port_deallocate(mach_task_self(), cclock);
    return (mts.tv_sec * UA_DATETIME_SEC) + (mts.tv_nsec / 100);
#elif !defined(CLOCK_MONOTONIC_RAW)
    struct timespec ts;
    clock_gettime(CLOCK_MONOTONIC, &ts);
    return (ts.tv_sec * UA_DATETIME_SEC) + (ts.tv_nsec / 100);
#else
    struct timespec ts;
    clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
    return (ts.tv_sec * UA_DATETIME_SEC) + (ts.tv_nsec / 100);
#endif
}

#endif /* UA_ARCHITECTURE_POSIX */

/**** amalgamated original file "/arch/posix/ua_architecture_functions.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2018 (c) Jose Cabral, fortiss GmbH
 */

#ifdef UA_ARCHITECTURE_POSIX


/* Global malloc singletons */
#ifdef UA_ENABLE_MALLOC_SINGLETON
UA_EXPORT UA_THREAD_LOCAL void * (*UA_mallocSingleton)(size_t size) = malloc;
UA_EXPORT UA_THREAD_LOCAL void (*UA_freeSingleton)(void *ptr) = free;
UA_EXPORT UA_THREAD_LOCAL void * (*UA_callocSingleton)(size_t nelem, size_t elsize) = calloc;
UA_EXPORT UA_THREAD_LOCAL void * (*UA_reallocSingleton)(void *ptr, size_t size) = realloc;
#endif

unsigned int UA_socket_set_blocking(UA_SOCKET sockfd){
  int opts = fcntl(sockfd, F_GETFL);
  if(opts < 0 || fcntl(sockfd, F_SETFL, opts & (~O_NONBLOCK)) < 0)
      return UA_STATUSCODE_BADINTERNALERROR;
  return UA_STATUSCODE_GOOD;
}

unsigned int UA_socket_set_nonblocking(UA_SOCKET sockfd){
  int opts = fcntl(sockfd, F_GETFL);
  if(opts < 0 || fcntl(sockfd, F_SETFL, opts | O_NONBLOCK) < 0)
    return UA_STATUSCODE_BADINTERNALERROR;
  return UA_STATUSCODE_GOOD;
}

void UA_initialize_architecture_network(void){
}

void UA_deinitialize_architecture_network(void){
}

#endif /* UA_ARCHITECTURE_POSIX */

/**** amalgamated original file "/arch/win32/ua_clock.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. 
 *
 *    Copyright 2016-2017 (c) Julius Pfrommer, Fraunhofer IOSB
 *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) Thomas Stalder
 */

#ifdef UA_ARCHITECTURE_WIN32

#ifndef _BSD_SOURCE
# define _BSD_SOURCE
#endif


#include <time.h>
/* Backup definition of SLIST_ENTRY on mingw winnt.h */
# ifdef SLIST_ENTRY
#  pragma push_macro("SLIST_ENTRY")
#  undef SLIST_ENTRY
#  define POP_SLIST_ENTRY
# endif
# include <windows.h>
/* restore definition */
# ifdef POP_SLIST_ENTRY
#  undef SLIST_ENTRY
#  undef POP_SLIST_ENTRY
#  pragma pop_macro("SLIST_ENTRY")
# endif

UA_DateTime UA_DateTime_now(void) {
    /* Windows filetime has the same definition as UA_DateTime */
    FILETIME ft;
    SYSTEMTIME st;
    GetSystemTime(&st);
    SystemTimeToFileTime(&st, &ft);
    ULARGE_INTEGER ul;
    ul.LowPart = ft.dwLowDateTime;
    ul.HighPart = ft.dwHighDateTime;
    return (UA_DateTime)ul.QuadPart;
}

/* Credit to https://stackoverflow.com/questions/13804095/get-the-time-zone-gmt-offset-in-c */
UA_Int64 UA_DateTime_localTimeUtcOffset(void) {
    time_t gmt, rawtime = time(NULL);

    struct tm ptm;
#ifdef __CODEGEARC__
    gmtime_s(&rawtime, &ptm);
#else
    gmtime_s(&ptm, &rawtime);
#endif    
    // Request that mktime() looksup dst in timezone database
    ptm.tm_isdst = -1;
    gmt = mktime(&ptm);

    return (UA_Int64) (difftime(rawtime, gmt) * UA_DATETIME_SEC);
}

UA_DateTime UA_DateTime_nowMonotonic(void) {
    LARGE_INTEGER freq, ticks;
    QueryPerformanceFrequency(&freq);
    QueryPerformanceCounter(&ticks);
    UA_Double ticks2dt = UA_DATETIME_SEC / (UA_Double)freq.QuadPart;
    return (UA_DateTime)(ticks.QuadPart * ticks2dt);
}

#endif /* UA_ARCHITECTURE_WIN32 */

/**** amalgamated original file "/arch/win32/ua_architecture_functions.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2018 (c) Jose Cabral, fortiss GmbH
 */

#ifdef UA_ARCHITECTURE_WIN32


/* Global malloc singletons */
#ifdef UA_ENABLE_MALLOC_SINGLETON
UA_EXPORT UA_THREAD_LOCAL void * (*UA_mallocSingleton)(size_t size) = malloc;
UA_EXPORT UA_THREAD_LOCAL void (*UA_freeSingleton)(void *ptr) = free;
UA_EXPORT UA_THREAD_LOCAL void * (*UA_callocSingleton)(size_t nelem, size_t elsize) = calloc;
UA_EXPORT UA_THREAD_LOCAL void * (*UA_reallocSingleton)(void *ptr, size_t size) = realloc;
#endif

unsigned int UA_socket_set_blocking(UA_SOCKET sockfd){
  u_long iMode = 0;
  if(ioctlsocket(sockfd, FIONBIO, &iMode) != NO_ERROR)
    return UA_STATUSCODE_BADINTERNALERROR;
  return UA_STATUSCODE_GOOD;
}

unsigned int UA_socket_set_nonblocking(UA_SOCKET sockfd){
  u_long iMode = 1;
  if(ioctlsocket(sockfd, FIONBIO, &iMode) != NO_ERROR)
    return UA_STATUSCODE_BADINTERNALERROR;
  return UA_STATUSCODE_GOOD;
}

void UA_initialize_architecture_network(void){
  WSADATA wsaData;
  WSAStartup(MAKEWORD(2, 2), &wsaData);
}

void UA_deinitialize_architecture_network(void){
  WSACleanup();
}

#endif /* UA_ARCHITECTURE_WIN32 */

/**** amalgamated original file "/arch/network_tcp.c" ****/

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 *
 *    Copyright 2016-2017 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
 *    Copyright 2016-2017 (c) Stefan Profanter, fortiss GmbH
 *    Copyright 2017 (c) frax2222
 *    Copyright 2017 (c) Jose Cabral
 *    Copyright 2017 (c) Thomas Stalder, Blue Time Concept SA
 *    Copyright 2020 (c) HMS Industrial Networks AB (Author: Jonas Green)
 */

#define UA_INTERNAL



#include <string.h>  // memset

#ifndef MSG_NOSIGNAL
#define MSG_NOSIGNAL 0
#endif

/****************************/
/* Generic Socket Functions */
/****************************/

static UA_StatusCode
connection_getsendbuffer(UA_Connection *connection,
                         size_t length, UA_ByteString *buf) {
    UA_SecureChannel *channel = connection->channel;
    if(channel && channel->config.sendBufferSize < length)
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;
    return UA_ByteString_allocBuffer(buf, length);
}

static void
connection_releasesendbuffer(UA_Connection *connection,
                             UA_ByteString *buf) {
    UA_ByteString_clear(buf);
}

static void
connection_releaserecvbuffer(UA_Connection *connection,
                             UA_ByteString *buf) {
    UA_ByteString_clear(buf);
}

static UA_StatusCode
connection_write(UA_Connection *connection, UA_ByteString *buf) {
    if(connection->state == UA_CONNECTIONSTATE_CLOSED) {
        UA_ByteString_clear(buf);
        return UA_STATUSCODE_BADCONNECTIONCLOSED;
    }

    /* Prevent OS signals when sending to a closed socket */
    int flags = 0;
    flags |= MSG_NOSIGNAL;

    struct pollfd poll_fd[1];
    poll_fd[0].fd = connection->sockfd;
    poll_fd[0].events = UA_POLLOUT;

    /* Send the full buffer. This may require several calls to send */
    size_t nWritten = 0;
    do {
        ssize_t n = 0;
        do {
            size_t bytes_to_send = buf->length - nWritten;
            n = UA_send(connection->sockfd,
                     (const char*)buf->data + nWritten,
                     bytes_to_send, flags);
            if(n<0) {
                if(UA_ERRNO != UA_INTERRUPTED && UA_ERRNO != UA_AGAIN) {
                    connection->close(connection);
                    UA_ByteString_clear(buf);
                    return UA_STATUSCODE_BADCONNECTIONCLOSED;
                }
                int poll_ret;
                do {
                    poll_ret = UA_poll (poll_fd, 1, 1000);
                } while (poll_ret == 0 || (poll_ret < 0 && UA_ERRNO == UA_INTERRUPTED));
            }
        } while(n < 0);

        nWritten += (size_t)n;
    } while(nWritten < buf->length);

    /* Free the buffer */
    UA_ByteString_clear(buf);
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
connection_recv(UA_Connection *connection, UA_ByteString *response,
                UA_UInt32 timeout) {
    if(connection->state == UA_CONNECTIONSTATE_CLOSED)
        return UA_STATUSCODE_BADCONNECTIONCLOSED;

    /* Listen on the socket for the given timeout until a message arrives */
    fd_set fdset;
    FD_ZERO(&fdset);
    UA_fd_set(connection->sockfd, &fdset);
    UA_UInt32 timeout_usec = timeout * 1000;
    struct timeval tmptv = {(long int)(timeout_usec / 1000000),
                            (int)(timeout_usec % 1000000)};
    int resultsize = UA_select(connection->sockfd+1, &fdset, NULL, NULL, &tmptv);

    /* No result */
    if(resultsize == 0)
        return UA_STATUSCODE_GOODNONCRITICALTIMEOUT;

    if(resultsize == -1) {
        /* The call to select was interrupted. Act as if it timed out. */
        if(UA_ERRNO == UA_INTERRUPTED)
            return UA_STATUSCODE_GOODNONCRITICALTIMEOUT;

        /* The error cannot be recovered. Close the connection. */
        connection->close(connection);
        return UA_STATUSCODE_BADCONNECTIONCLOSED;
    }

    UA_Boolean internallyAllocated = !response->length;

    /* Allocate the buffer  */
    if(internallyAllocated) {
        size_t bufferSize = 16384; /* Use as default for a new SecureChannel */
        UA_SecureChannel *channel = connection->channel;
        if(channel && channel->config.recvBufferSize > 0)
            bufferSize = channel->config.recvBufferSize;
        UA_StatusCode res = UA_ByteString_allocBuffer(response, bufferSize);
        if(res != UA_STATUSCODE_GOOD)
            return res;
    }

    /* Get the received packet(s) */
    ssize_t ret = UA_recv(connection->sockfd, (char*)response->data, response->length, 0);

    /* The remote side closed the connection */
    if(ret == 0) {
        if(internallyAllocated)
            UA_ByteString_clear(response);
        connection->close(connection);
        return UA_STATUSCODE_BADCONNECTIONCLOSED;
    }

    /* Error case */
    if(ret < 0) {
        if(internallyAllocated)
            UA_ByteString_clear(response);
        if(UA_ERRNO == UA_INTERRUPTED || (timeout > 0) ?
           false : (UA_ERRNO == UA_EAGAIN || UA_ERRNO == UA_WOULDBLOCK))
            return UA_STATUSCODE_GOOD; /* statuscode_good but no data -> retry */
        connection->close(connection);
        return UA_STATUSCODE_BADCONNECTIONCLOSED;
    }

    /* Set the length of the received buffer */
    response->length = (size_t)ret;
    return UA_STATUSCODE_GOOD;
}


/***************************/
/* Server NetworkLayer TCP */
/***************************/

#define MAXBACKLOG     100
#define NOHELLOTIMEOUT 120000 /* timeout in ms before close the connection
                               * if server does not receive Hello Message */

typedef struct ConnectionEntry {
    UA_Connection connection;
    LIST_ENTRY(ConnectionEntry) pointers;
} ConnectionEntry;

typedef struct {
    const UA_Logger *logger;
    UA_UInt16 port;
    UA_UInt16 maxConnections;
    UA_SOCKET serverSockets[FD_SETSIZE];
    UA_UInt16 serverSocketsSize;
    LIST_HEAD(, ConnectionEntry) connections;
    UA_UInt16 connectionsSize;
} ServerNetworkLayerTCP;

static void
ServerNetworkLayerTCP_freeConnection(UA_Connection *connection) {
    UA_free(connection);
}

/* This performs only 'shutdown'. 'close' is called when the shutdown
 * socket is returned from select. */
static void
ServerNetworkLayerTCP_close(UA_Connection *connection) {
    if(connection->state == UA_CONNECTIONSTATE_CLOSED)
        return;
    UA_shutdown((UA_SOCKET)connection->sockfd, 2);
    connection->state = UA_CONNECTIONSTATE_CLOSED;
}

static UA_Boolean
purgeFirstConnectionWithoutChannel(ServerNetworkLayerTCP *layer) {
    ConnectionEntry *e;
    LIST_FOREACH(e, &layer->connections, pointers) {
        if(e->connection.channel == NULL) {
            LIST_REMOVE(e, pointers);
            layer->connectionsSize--;
            UA_close(e->connection.sockfd);
            e->connection.free(&e->connection);
            return true;
        }
    }
    return false;
}

static UA_StatusCode
ServerNetworkLayerTCP_add(UA_ServerNetworkLayer *nl, ServerNetworkLayerTCP *layer,
                          UA_Int32 newsockfd, struct sockaddr_storage *remote) {
   if(layer->maxConnections && layer->connectionsSize >= layer->maxConnections &&
      !purgeFirstConnectionWithoutChannel(layer)) {
       return UA_STATUSCODE_BADTCPNOTENOUGHRESOURCES;
   }

    /* Set nonblocking */
    UA_socket_set_nonblocking(newsockfd);//TODO: check return value

    /* Do not merge packets on the socket (disable Nagle's algorithm) */
    int dummy = 1;
    if(UA_setsockopt(newsockfd, IPPROTO_TCP, TCP_NODELAY,
               (const char *)&dummy, sizeof(dummy)) < 0) {
        UA_LOG_SOCKET_ERRNO_WRAP(
                UA_LOG_ERROR(layer->logger, UA_LOGCATEGORY_NETWORK,
                             "Cannot set socket option TCP_NODELAY. Error: %s",
                             errno_str));
        return UA_STATUSCODE_BADUNEXPECTEDERROR;
    }

#if defined(UA_getnameinfo)
    /* Get the peer name for logging */
    char remote_name[100];
    int res = UA_getnameinfo((struct sockaddr*)remote,
                          sizeof(struct sockaddr_storage),
                          remote_name, sizeof(remote_name),
                          NULL, 0, NI_NUMERICHOST);
    if(res == 0) {
        UA_LOG_INFO(layer->logger, UA_LOGCATEGORY_NETWORK,
                    "Connection %i | New connection over TCP from %s",
                    (int)newsockfd, remote_name);
    } else {
        UA_LOG_SOCKET_ERRNO_WRAP(UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                                                "Connection %i | New connection over TCP, "
                                                "getnameinfo failed with error: %s",
                                                (int)newsockfd, errno_str));
    }
#else
    UA_LOG_INFO(layer->logger, UA_LOGCATEGORY_NETWORK,
                "Connection %i | New connection over TCP",
                (int)newsockfd);
#endif
    /* Allocate and initialize the connection */
    ConnectionEntry *e = (ConnectionEntry*)UA_malloc(sizeof(ConnectionEntry));
    if(!e) {
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    UA_Connection *c = &e->connection;
    memset(c, 0, sizeof(UA_Connection));
    c->sockfd = newsockfd;
    c->handle = layer;
    c->send = connection_write;
    c->close = ServerNetworkLayerTCP_close;
    c->free = ServerNetworkLayerTCP_freeConnection;
    c->getSendBuffer = connection_getsendbuffer;
    c->releaseSendBuffer = connection_releasesendbuffer;
    c->releaseRecvBuffer = connection_releaserecvbuffer;
    c->state = UA_CONNECTIONSTATE_OPENING;
    c->openingDate = UA_DateTime_nowMonotonic();

    layer->connectionsSize++;

    /* Add to the linked list */
    LIST_INSERT_HEAD(&layer->connections, e, pointers);
    if(nl->statistics) {
        nl->statistics->currentConnectionCount++;
        nl->statistics->cumulatedConnectionCount++;
    }
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
addServerSocket(ServerNetworkLayerTCP *layer, struct addrinfo *ai) {
    /* Create the server socket */
    UA_SOCKET newsock = UA_socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
    if(newsock == UA_INVALID_SOCKET)
    {
        UA_LOG_SOCKET_ERRNO_WRAP(
            UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                           "Error opening the server socket: %s", errno_str));
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;
    }

    /* Some Linux distributions have net.ipv6.bindv6only not activated. So
     * sockets can double-bind to IPv4 and IPv6. This leads to problems. Use
     * AF_INET6 sockets only for IPv6. */

    int optval = 1;
#if UA_IPV6
    if(ai->ai_family == AF_INET6 &&
       UA_setsockopt(newsock, IPPROTO_IPV6, IPV6_V6ONLY,
                  (const char*)&optval, sizeof(optval)) == -1) {
        UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                       "Could not set an IPv6 socket to IPv6 only");
        UA_close(newsock);
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;

    }
#endif
    if(UA_setsockopt(newsock, SOL_SOCKET, SO_REUSEADDR,
                  (const char *)&optval, sizeof(optval)) == -1) {
        UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                       "Could not make the socket reusable");
        UA_close(newsock);
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;
    }


    if(UA_socket_set_nonblocking(newsock) != UA_STATUSCODE_GOOD) {
        UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                       "Could not set the server socket to nonblocking");
        UA_close(newsock);
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;
    }

    /* Bind socket to address */
    int ret = UA_bind(newsock, ai->ai_addr, (socklen_t)ai->ai_addrlen);
    if(ret < 0) {
        /* If bind to specific address failed, try to bind *-socket */
        if(ai->ai_family == AF_INET) {
            struct sockaddr_in *sin = (struct sockaddr_in *)ai->ai_addr;
            if(sin->sin_addr.s_addr != htonl(INADDR_ANY)) {
                sin->sin_addr.s_addr = 0;
                ret = 0;
            }
        }
#if UA_IPV6
        else if(ai->ai_family == AF_INET6) {
            struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)ai->ai_addr;
            if(!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
                memset(&sin6->sin6_addr, 0, sizeof(sin6->sin6_addr));
                sin6->sin6_scope_id = 0;
                ret = 0;
            }
        }
#endif // UA_IPV6
        if(ret == 0) {
            ret = UA_bind(newsock, ai->ai_addr, (socklen_t)ai->ai_addrlen);
            if(ret == 0) {
                /* The second bind fixed the issue, inform the user. */
                UA_LOG_INFO(layer->logger, UA_LOGCATEGORY_NETWORK,
                    "Server socket bound to unspecified address");
            }
        }
    }
    if(ret < 0) {
        UA_LOG_SOCKET_ERRNO_WRAP(
            UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                           "Error binding a server socket: %s", errno_str));
        UA_close(newsock);
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;
    }

    /* Start listening */
    if(UA_listen(newsock, MAXBACKLOG) < 0) {
        UA_LOG_SOCKET_ERRNO_WRAP(
                UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                       "Error listening on server socket: %s", errno_str));
        UA_close(newsock);
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;
    }

    if(layer->port == 0) {
        /* Port was automatically chosen. Read it from the OS */
        struct sockaddr_in returned_addr;
        memset(&returned_addr, 0, sizeof(returned_addr));
        socklen_t len = sizeof(returned_addr);
        UA_getsockname(newsock, (struct sockaddr *)&returned_addr, &len);
        layer->port = ntohs(returned_addr.sin_port);
    }

    layer->serverSockets[layer->serverSocketsSize] = newsock;
    layer->serverSocketsSize++;
    return UA_STATUSCODE_GOOD;
}

static UA_StatusCode
ServerNetworkLayerTCP_start(UA_ServerNetworkLayer *nl, const UA_Logger *logger,
                            const UA_String *customHostname) {
    UA_initialize_architecture_network();

    ServerNetworkLayerTCP *layer = (ServerNetworkLayerTCP *)nl->handle;
    layer->logger = logger;

    /* Get addrinfo of the server and create server sockets */
    char hostname[512];
    if(customHostname->length) {
        if(customHostname->length >= sizeof(hostname))
            return UA_STATUSCODE_BADOUTOFMEMORY;
        memcpy(hostname, customHostname->data, customHostname->length);
        hostname[customHostname->length] = '\0';
    }
    char portno[6];
    UA_snprintf(portno, 6, "%d", layer->port);
    struct addrinfo hints, *res;
    memset(&hints, 0, sizeof hints);
#if UA_IPV6
    hints.ai_family = AF_UNSPEC; /* allow IPv4 and IPv6 */
#else
    hints.ai_family = AF_INET;   /* enforce IPv4 only */
#endif
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_flags = AI_PASSIVE;
#ifdef AI_ADDRCONFIG
    hints.ai_flags |= AI_ADDRCONFIG;
#endif
    hints.ai_protocol = IPPROTO_TCP;
    int retcode = UA_getaddrinfo(customHostname->length ? hostname : NULL,
                                 portno, &hints, &res);
    if(retcode != 0) {
        UA_LOG_SOCKET_ERRNO_GAI_WRAP(UA_LOG_WARNING(layer->logger, UA_LOGCATEGORY_NETWORK,
                                                    "getaddrinfo lookup of %s failed with error %d - %s", hostname, retcode, errno_str));
        return UA_STATUSCODE_BADINTERNALERROR;
    }

    /* There might be serveral addrinfos (for different network cards,
     * IPv4/IPv6). Add a server socket for all of them. */
    struct addrinfo *ai = res;
    for(layer->serverSocketsSize = 0;
        layer->serverSocketsSize < FD_SETSIZE && ai != NULL;
        ai = ai->ai_next) {
        addServerSocket(layer, ai);
    }
    UA_freeaddrinfo(res);

    if(layer->serverSocketsSize == 0) {
        return UA_STATUSCODE_BADCOMMUNICATIONERROR;
    }

    /* Get the discovery url from the hostname */
    UA_String du = UA_STRING_NULL;
    char discoveryUrlBuffer[256];
    if(customHostname->length) {
        du.length = (size_t)UA_snprintf(discoveryUrlBuffer, 255, "opc.tcp://%.*s:%d/",
                                        (int)customHostname->length, customHostname->data,
                                        layer->port);
        du.data = (UA_Byte*)discoveryUrlBuffer;
    } else {
        char hostnameBuffer[256];
        if(UA_gethostname(hostnameBuffer, 255) == 0) {
            du.length = (size_t)UA_snprintf(discoveryUrlBuffer, 255, "opc.tcp://%s:%d/",
                                            hostnameBuffer, layer->port);
            du.data = (UA_Byte*)discoveryUrlBuffer;
        } else {
            UA_LOG_ERROR(layer->logger, UA_LOGCATEGORY_NETWORK, "Could not get the hostname");
            return UA_STATUSCODE_BADINTERNALERROR;
        }
    }
    UA_String_copy(&du, &nl->discoveryUrl);

    UA_LOG_INFO(layer->logger, UA_LOGCATEGORY_NETWORK,
                "TCP network layer listening on %.*s",
                (int)nl->discoveryUrl.length, nl->discoveryUrl.data);
    return UA_STATUSCODE_GOOD;
}

/* After every select, reset the sockets to listen on */
static UA_Int32
setFDSet(ServerNetworkLayerTCP *layer, fd_set *fdset) {
    FD_ZERO(fdset);
    UA_Int32 highestfd = 0;
    for(UA_UInt16 i = 0; i < layer->serverSocketsSize; i++) {
        UA_fd_set(layer->serverSockets[i], fdset);
        if((UA_Int32)layer->serverSockets[i] > highestfd)
            highestfd = (UA_Int32)layer->serverSockets[i];
    }

    ConnectionEntry *e;
    LIST_FOREACH(e, &layer->connections, pointers) {
        UA_fd_set(e->connection.sockfd, fdset);
        if((UA_Int32)e->connection.sockfd > highestfd)
            highestfd = (UA_Int32)e->connection.sockfd;
    }

    return highestfd;
}

static UA_StatusCode
ServerNetworkLayerTCP_listen(UA_ServerNetworkLayer *nl, UA_Server *server,
                             UA_UInt16 timeout) {
    /* Every open socket can generate two jobs */
    ServerNetworkLayerTCP *layer = (ServerNetworkLayerTCP *)nl->handle;

    if(layer->serverSocketsSize == 0)
        return UA_STATUSCODE_GOOD;

    /* Listen on open sockets (including the server) */
    fd_set fdset, errset;
    UA_Int32 highestfd = setFDSet(layer, &fdset);
    setFDSet(layer, &errset);
    struct timeval tmptv = {0, timeout * 1000};
    if(UA_select(highestfd+1, &fdset, NULL, &errset, &tmptv) < 0) {
        UA_LOG_SOCKET_ERRNO_WRAP(
            UA_LOG_DEBUG(layer->logger, UA_LOGCATEGORY_NETWORK,
                           "Socket select failed with %s", errno_str));
        // we will retry, so do not return bad
        return UA_STATUSCODE_GOOD;
    }

    /* Accept new connections via the server sockets */
    for(UA_UInt16 i = 0; i < layer->serverSocketsSize; i++) {
        if(!UA_fd_isset(layer->serverSockets[i], &fdset))
            continue;

        struct sockaddr_storage remote;
        socklen_t remote_size = sizeof(remote);
        UA_SOCKET newsockfd = UA_accept(layer->serverSockets[i],
                                  (struct sockaddr*)&remote, &remote_size);
        if(newsockfd == UA_INVALID_SOCKET)
            continue;

        UA_LOG_TRACE(layer->logger, UA_LOGCATEGORY_NETWORK,
                    "Connection %i | New TCP connection on server socket %i",
                    (int)newsockfd, (int)(layer->serverSockets[i]));

        if(ServerNetworkLayerTCP_add(nl, layer, (UA_Int32)newsockfd, &remote) != UA_STATUSCODE_GOOD) {
            UA_close(newsockfd);
        }
    }

    /* Read from established sockets */
    ConnectionEntry *e, *e_tmp;
    UA_DateTime now = UA_DateTime_nowMonotonic();
    LIST_FOREACH_SAFE(e, &layer->connections, pointers, e_tmp) {
        if((e->connection.state == UA_CONNECTIONSTATE_OPENING) &&
            (now > (e->connection.openingDate + (NOHELLOTIMEOUT * UA_DATETIME_MSEC)))) {
            UA_LOG_INFO(layer->logger, UA_LOGCATEGORY_NETWORK,
                        "Connection %i | Closed by the server (no Hello Message)",
                         (int)(e->connection.sockfd));
            LIST_REMOVE(e, pointers);
            layer->connectionsSize--;
            UA_close(e->connection.sockfd);
            UA_Server_removeConnection(server, &e->connection);
            if(nl->statistics) {
                nl->statistics->connectionTimeoutCount++;
                nl->statistics->currentConnectionCount--;
            }
            continue;
        }

        if(!UA_fd_isset(e->connection.sockfd, &errset) &&
           !UA_fd_isset(e->connection.sockfd, &fdset))
          continue;

        UA_LOG_TRACE(layer->logger, UA_LOGCATEGORY_NETWORK,
                    "Connection %i | Activity on the socket",
                    (int)(e->connection.sockfd));

        UA_ByteString buf = UA_BYTESTRING_NULL;
        UA_StatusCode retval = connection_recv(&e->connection, &buf, 0);

        if(retval == UA_STATUSCODE_GOOD) {
            /* Process packets */
            UA_Server_processBinaryMessage(server, &e->connection, &buf);
            connection_releaserecvbuffer(&e->connection, &buf);
        } else if(retval == UA_STATUSCODE_BADCONNECTIONCLOSED) {
            /* The socket is shutdown but not closed */
            UA_LOG_INFO(layer->logger, UA_LOGCATEGORY_NETWORK,
                        "Connection %i | Closed",
                        (int)(e->connection.sockfd));
            LIST_REMOVE(e, pointers);
            layer->connectionsSize--;
            UA_close(e->connection.sockfd);
            UA_Server_removeConnection(server, &e->connection);
            if(nl->statistics) {
                nl->statistics->currentConnectionCount--;
            }
        }
    }
    return UA_STATUSCODE_GOOD;
}

static void
ServerNetworkLayerTCP_stop(UA_ServerNetworkLayer *nl, UA_Server *server) {
    ServerNetworkLayerTCP *layer = (ServerNetworkLayerTCP *)nl->handle;
    UA_LOG_INFO(layer->logger, UA_LOGCATEGORY_NETWORK,
                "Shutting down the TCP network layer");

    /* Close the server sockets */
    for(UA_UInt16 i = 0; i < layer->serverSocketsSize; i++) {
        UA_shutdown(layer->serverSockets[i], 2);
        UA_close(layer->serverSockets[i]);
    }
    layer->serverSocketsSize = 0;

    /* Close open connections */
    ConnectionEntry *e;
    LIST_FOREACH(e, &layer->connections, pointers)
        ServerNetworkLayerTCP_close(&e->connection);

    /* Run recv on client sockets. This picks up the closed sockets and frees
     * the connection. */
    ServerNetworkLayerTCP_listen(nl, server, 0);

    UA_deinitialize_architecture_network();
}

/* run only when the server is stopped */
static void
ServerNetworkLayerTCP_clear(UA_ServerNetworkLayer *nl) {
    ServerNetworkLayerTCP *layer = (ServerNetworkLayerTCP *)nl->handle;
    UA_String_clear(&nl->discoveryUrl);

    /* Hard-close and remove remaining connections. The server is no longer
     * running. So this is safe. */
    ConnectionEntry *e, *e_tmp;
    LIST_FOREACH_SAFE(e, &layer->connections, pointers, e_tmp) {
        LIST_REMOVE(e, pointers);
        layer->connectionsSize--;
        UA_close(e->connection.sockfd);
        UA_free(e);
        if(nl->statistics) {
            nl->statistics->currentConnectionCount--;
        }
    }

    /* Free the layer */
    UA_free(layer);
}

UA_ServerNetworkLayer
UA_ServerNetworkLayerTCP(UA_ConnectionConfig config, UA_UInt16 port,
                         UA_UInt16 maxConnections) {
    UA_ServerNetworkLayer nl;
    memset(&nl, 0, sizeof(UA_ServerNetworkLayer));
    nl.clear = ServerNetworkLayerTCP_clear;
    nl.localConnectionConfig = config;
    nl.start = ServerNetworkLayerTCP_start;
    nl.listen = ServerNetworkLayerTCP_listen;
    nl.stop = ServerNetworkLayerTCP_stop;
    nl.handle = NULL;

    ServerNetworkLayerTCP *layer = (ServerNetworkLayerTCP*)
        UA_calloc(1,sizeof(ServerNetworkLayerTCP));
    if(!layer)
        return nl;
    nl.handle = layer;

    layer->port = port;
    layer->maxConnections = maxConnections;

    return nl;
}

typedef struct TCPClientConnection {
    struct addrinfo hints, *server;
    UA_DateTime connStart;
    UA_String endpointUrl;
    UA_UInt32 timeout;
} TCPClientConnection;

/***************************/
/* Client NetworkLayer TCP */
/***************************/

static void
ClientNetworkLayerTCP_close(UA_Connection *connection) {
    if(connection->state == UA_CONNECTIONSTATE_CLOSED)
        return;

    if(connection->sockfd != UA_INVALID_SOCKET) {
        UA_shutdown(connection->sockfd, 2);
        UA_close(connection->sockfd);
    }
    connection->state = UA_CONNECTIONSTATE_CLOSED;
}

static void
ClientNetworkLayerTCP_free(UA_Connection *connection) {
    if(!connection->handle)
        return;

    TCPClientConnection *tcpConnection = (TCPClientConnection *)connection->handle;
    if(tcpConnection->server)
        UA_freeaddrinfo(tcpConnection->server);
    UA_String_clear(&tcpConnection->endpointUrl);
    UA_free(tcpConnection);
    connection->handle = NULL;
}

UA_StatusCode
UA_ClientConnectionTCP_poll(UA_Connection *connection, UA_UInt32 timeout,
                            const UA_Logger *logger) {
    if(connection->state == UA_CONNECTIONSTATE_CLOSED)
        return UA_STATUSCODE_BADDISCONNECT;
    if(connection->state == UA_CONNECTIONSTATE_ESTABLISHED)
        return UA_STATUSCODE_GOOD;

    /* Connection timeout? */
    TCPClientConnection *tcpConnection = (TCPClientConnection*) connection->handle;
    if(tcpConnection == NULL) {
        connection->state = UA_CONNECTIONSTATE_CLOSED;
        return UA_STATUSCODE_BADDISCONNECT;  // some thing is wrong
    }
    if((UA_Double) (UA_DateTime_nowMonotonic() - tcpConnection->connStart)
       > (UA_Double) tcpConnection->timeout * UA_DATETIME_MSEC ) {
        UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK, "Timed out");
        ClientNetworkLayerTCP_close(connection);
        return UA_STATUSCODE_BADDISCONNECT;
    }

    /* Get a socket and connect (only once) if not already done in a previous
     * call. On win32, calling connect multiple times is not recommended on
     * non-blocking sockets
     * (https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect).
     * On posix it is also not necessary to call connect multiple times.
     *
     * Identification of successfull connection is done using select (writeable/errorfd)
     * and getsockopt using SO_ERROR on win32 and posix.
     */
    if(connection->sockfd == UA_INVALID_SOCKET) {
        connection->sockfd = UA_socket(tcpConnection->server->ai_family,
                                       tcpConnection->server->ai_socktype,
                                       tcpConnection->server->ai_protocol);
        if(connection->sockfd == UA_INVALID_SOCKET) {
            UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                           "Could not create client socket: %s", strerror(UA_ERRNO));
            ClientNetworkLayerTCP_close(connection);
            return UA_STATUSCODE_BADDISCONNECT;
        }

        /* Non blocking connect to be able to timeout */
        if(UA_socket_set_nonblocking(connection->sockfd) != UA_STATUSCODE_GOOD) {
            UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                           "Could not set the client socket to nonblocking");
            ClientNetworkLayerTCP_close(connection);
            return UA_STATUSCODE_BADDISCONNECT;
        }

        /* Don't have the socket create interrupt signals */
#ifdef SO_NOSIGPIPE
        int val = 1;
        int sso_result = setsockopt(connection->sockfd, SOL_SOCKET, SO_NOSIGPIPE,
                                    (void *)&val, sizeof(val));
        if(sso_result < 0)
            UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK, "Couldn't set SO_NOSIGPIPE");
#endif
        int error = UA_connect(connection->sockfd, tcpConnection->server->ai_addr,
                               tcpConnection->server->ai_addrlen);

        /* Connection successful */
        if(error == 0) {
            connection->state = UA_CONNECTIONSTATE_ESTABLISHED;
            return UA_STATUSCODE_GOOD;
        }

        /* The connection failed */
        if((UA_ERRNO != UA_ERR_CONNECTION_PROGRESS)) {
            UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                           "Connection to %.*s failed with error: %s",
                           (int)tcpConnection->endpointUrl.length,
                           tcpConnection->endpointUrl.data, strerror(UA_ERRNO));
            ClientNetworkLayerTCP_close(connection);
            return UA_STATUSCODE_BADDISCONNECT;
        }
    }

    /* Use select to wait until connected. Return with a half-opened connection
     * after a timeout. */
    UA_UInt32 timeout_usec = timeout * 1000;

#ifdef _OS9000
    /* OS-9 cannot use select for checking write sockets. Therefore, we need to
     * use connect until success or failed */
    int resultsize = 0;
    do {
        u_int32 time = 0x80000001;
        signal_code sig;

        timeout_usec -= 1000000/256;    // Sleep 1/256 second
        if(timeout_usec < 0)
            break;

        _os_sleep(&time, &sig);
        error = connect(connection->sockfd, tcpConnection->server->ai_addr,
                        tcpConnection->server->ai_addrlen);
        if((error == -1 && UA_ERRNO == EISCONN) || (error == 0))
            resultsize = 1;
        if(error == -1 && UA_ERRNO != EALREADY && UA_ERRNO != EINPROGRESS)
            break;
    } while(resultsize == 0);
#else
    /* Wait in a select-call until the connection fully opens or the timeout
     * happens */

    /* On windows select both writing and error fdset */
    fd_set writing_fdset;
    FD_ZERO(&writing_fdset);
    UA_fd_set(connection->sockfd, &writing_fdset);
    fd_set error_fdset;
    FD_ZERO(&error_fdset);
#ifdef _WIN32
    UA_fd_set(connection->sockfd, &error_fdset);
#endif
    struct timeval tmptv = {(long int)(timeout_usec / 1000000),
                            (int)(timeout_usec % 1000000)};

    int ret = UA_select((UA_Int32)(connection->sockfd + 1), NULL, &writing_fdset,
                        &error_fdset, &tmptv);

    // When select fails abort connection
    if(ret == -1) {
        UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                       "Connection to %.*s failed with error: %s",
                       (int)tcpConnection->endpointUrl.length,
                       tcpConnection->endpointUrl.data, strerror(UA_ERRNO));
        ClientNetworkLayerTCP_close(connection);
        return UA_STATUSCODE_BADDISCONNECT;
    } else if (timeout && ret == 0) {
        UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                       "Connection to %.*s timed out",
                       (int)tcpConnection->endpointUrl.length,
                       tcpConnection->endpointUrl.data);
        ClientNetworkLayerTCP_close(connection);
        return UA_STATUSCODE_BADTIMEOUT;
    }

    int resultsize = UA_fd_isset(connection->sockfd, &writing_fdset);
#endif

    /* Any errors on the socket reported? */
    OPTVAL_TYPE so_error = 0;
    socklen_t len = sizeof(so_error);
    ret = UA_getsockopt(connection->sockfd, SOL_SOCKET, SO_ERROR, &so_error, &len);
    if(ret != 0 || so_error != 0) {
        // no UA_LOG_SOCKET_ERRNO_GAI_WRAP because of so_error
#ifndef _WIN32
        char *errno_str = strerror(ret == 0 ? so_error : UA_ERRNO);
#elif defined(UNDER_CE)
        LPVOID errno_str = NULL;
        FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
                        FORMAT_MESSAGE_IGNORE_INSERTS,
                        NULL, ret == 0 ? so_error : WSAGetLastError(),
                        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&errno_str, 0,
                        NULL);
#else
        char *errno_str = NULL;
        FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
                           FORMAT_MESSAGE_IGNORE_INSERTS,
                       NULL, ret == 0 ? so_error : WSAGetLastError(),
                       MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&errno_str, 0,
                       NULL);
#endif
        UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                       "Connection to %.*s failed with error: %s",
                       (int)tcpConnection->endpointUrl.length,
                       tcpConnection->endpointUrl.data, errno_str);
#ifdef _WIN32
        LocalFree(errno_str);
#endif
        ClientNetworkLayerTCP_close(connection);
        return UA_STATUSCODE_BADDISCONNECT;
    }

    /* The connection is fully opened. Otherwise, select has timed out. But we
     * can retry. */
    if(resultsize > 0)
        connection->state = UA_CONNECTIONSTATE_ESTABLISHED;

    return UA_STATUSCODE_GOOD;
}

UA_Connection
UA_ClientConnectionTCP_init(UA_ConnectionConfig config, const UA_String endpointUrl,
                            UA_UInt32 timeout, const UA_Logger *logger) {
    UA_initialize_architecture_network();

    UA_Connection connection;
    memset(&connection, 0, sizeof(UA_Connection));

    connection.state = UA_CONNECTIONSTATE_OPENING;
    connection.sockfd = UA_INVALID_SOCKET;
    connection.send = connection_write;
    connection.recv = connection_recv;
    connection.close = ClientNetworkLayerTCP_close;
    connection.free = ClientNetworkLayerTCP_free;
    connection.getSendBuffer = connection_getsendbuffer;
    connection.releaseSendBuffer = connection_releasesendbuffer;
    connection.releaseRecvBuffer = connection_releaserecvbuffer;

    TCPClientConnection *tcpClientConnection = (TCPClientConnection*)
        UA_malloc(sizeof(TCPClientConnection));
    if(!tcpClientConnection) {
        connection.state = UA_CONNECTIONSTATE_CLOSED;
        return connection;
    }
    memset(tcpClientConnection, 0, sizeof(TCPClientConnection));
    connection.handle = (void*) tcpClientConnection;
    tcpClientConnection->timeout = timeout;
    UA_String hostnameString = UA_STRING_NULL;
    UA_String pathString = UA_STRING_NULL;
    UA_UInt16 port = 0;
    char hostname[512];
    tcpClientConnection->connStart = UA_DateTime_nowMonotonic();
    UA_String_copy(&endpointUrl, &tcpClientConnection->endpointUrl);

    UA_StatusCode parse_retval =
        UA_parseEndpointUrl(&endpointUrl, &hostnameString, &port, &pathString);
    if(parse_retval != UA_STATUSCODE_GOOD || hostnameString.length > 511) {
        UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                       "Server url is invalid: %.*s",
                       (int)endpointUrl.length, endpointUrl.data);
        connection.state = UA_CONNECTIONSTATE_CLOSED;
        return connection;
    }
    memcpy(hostname, hostnameString.data, hostnameString.length);
    hostname[hostnameString.length] = 0;

    if(port == 0) {
        port = 4840;
        UA_LOG_INFO(logger, UA_LOGCATEGORY_NETWORK,
                    "No port defined, using default port %" PRIu16, port);
    }

    memset(&tcpClientConnection->hints, 0, sizeof(tcpClientConnection->hints));
    tcpClientConnection->hints.ai_family = AF_UNSPEC;
    tcpClientConnection->hints.ai_socktype = SOCK_STREAM;
    char portStr[6];
    UA_snprintf(portStr, 6, "%d", port);
    int error = UA_getaddrinfo(hostname, portStr, &tcpClientConnection->hints,
                               &tcpClientConnection->server);
    if(error != 0 || !tcpClientConnection->server) {
        UA_LOG_SOCKET_ERRNO_GAI_WRAP(UA_LOG_WARNING(logger, UA_LOGCATEGORY_NETWORK,
                                                    "DNS lookup of %s failed with error %d - %s",
                                                    hostname, error, errno_str));
        connection.state = UA_CONNECTIONSTATE_CLOSED;
        return connection;
    }

    /* Return connection with state UA_CONNECTIONSTATE_OPENING */
    return connection;
}
