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/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tcomp_reqfeed.h
* @brief SIGCOMP requested feedback item as per rfc 3320 subclause 9.4.9.
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
*/
#ifndef TCOMP_REQ_FEEDBACK_H
#define TCOMP_REQ_FEEDBACK_H
#include "tinysigcomp_config.h"
#include "tcomp_buffer.h"
#include "tsk_object.h"
TCOMP_BEGIN_DECLS
/*
0 1 2 3 4 5 6 7
+---+---+---+---+---+---+---+---+
| reserved | Q | S | I | requested_feedback_location
+---+---+---+---+---+---+---+---+
| |
: requested feedback item : if Q = 1
| |
+---+---+---+---+---+---+---+---+
*/
/** SigComp Requested feedback item as per RFC 3320 subclause 9.4.9.
*/
typedef struct tcomp_reqfeed_s {
TSK_DECLARE_OBJECT;
unsigned Q:1; /**< The Q-bit indicates whether a requested feedback item is present or not.*/
unsigned S:1; /**< The compressor sets the S-bit to 1 if it does not wish (or no longer
wishes) to save state information at the receiving endpoint and also
does not wish to access state information that it has previously saved.*/
unsigned I:1; /**< Similarly the compressor sets the I-bit to 1 if it does not wish (or
no longer wishes) to access any of the locally available state items
offered by the receiving endpoint.*/
tcomp_buffer_handle_t *item; /**< The requested item feedback data */
}
tcomp_reqfeed_t;
tcomp_reqfeed_t* tcomp_reqfeed_create();
void tcomp_reqfeed_reset(tcomp_reqfeed_t*);
TINYSIGCOMP_GEXTERN const tsk_object_def_t *tcomp_reqfeed_def_t;
TCOMP_END_DECLS
#endif /* TCOMP_REQ_FEEDBACK_H */
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