doubango/trunk/tinySIGCOMP/src/tcomp_nackinfo.c

86 lines
2.3 KiB
C

/*
* Copyright (C) 2009 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tcomp_nakinfo.c
* @brief RFC 4077 - A Negative Acknowledgement Mechanism for Signaling Compression (NACK)
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
* @date Created: Sat Nov 8 16:54:58 2009 mdiop
*/
#include "tcomp_nackinfo.h"
#include "tsk_memory.h"
#include "tsk_debug.h"
/**@defgroup tcomp_nackinfo_group SigComp NACK information.
*/
//========================================================
// NackInfo object definition
//
/**@ingroup tcomp_nackinfo_group
* Creates a nack info message. You MUST use @ref tcomp_nackinfo_destroy to free the nackinfo.
* @retval The NACK info message.
* @sa @ref tcomp_nackinfo_destroy.
*/
static void* tcomp_nackinfo_create(void *self, va_list * app)
{
tcomp_nackinfo_t *nackinfo = self;
if(nackinfo)
{
nackinfo->version = NACK_VERSION;
nackinfo->details = TCOMP_BUFFER_CREATE();
}
else
{
TSK_DEBUG_ERROR("Failed to create new nackinfo.");
}
return self;
}
/**@ingroup tcomp_nackinfo_group
* Destroy a nackinfo message previously created using @ref tcomp_nackinfo_create.
* @param nackinfo The NACK info message to free.
* @sa @ref tcomp_nackinfo_create.
*/
static void* tcomp_nackinfo_destroy(void * self)
{
tcomp_nackinfo_t *nackinfo = self;
if(nackinfo)
{
TCOMP_BUFFER_SAFE_FREE(nackinfo->details);
}
return self;
}
static const tsk_object_def_t tcomp_nackinfo_def_s =
{
sizeof(tcomp_nackinfo_t),
tcomp_nackinfo_create,
tcomp_nackinfo_destroy,
0
};
const void *tcomp_nackinfo_def_t = &tcomp_nackinfo_def_s;