/*
* 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_message.h
 * @brief  SIGCOMP message as per RFC 3320 subclause 7.
 *
 * @author Mamadou Diop <diopmamadou(at)yahoo.fr>
 *

 */
#ifndef TCOMP_MESSAGE_H
#define TCOMP_MESSAGE_H

#include "tinysigcomp_config.h"
#include "tcomp_buffer.h"
#include "tcomp_nackinfo.h"
#include "tsk_object.h"

TCOMP_BEGIN_DECLS


/**
* SigComp Message Format as per RFC 3320 subclause 7.
*/
typedef struct tcomp_message_s {
    TSK_DECLARE_OBJECT;

    uint8_t headerSigComp; /**< SigComp header */

    unsigned isOK:1; /**< Message validity. */
    unsigned isNack:1; /**< If it's a NACK message. */
    unsigned stream_based:1; /**< If it's stream message (e.g. TCP) */
    const uint8_t* startPtr; /**< Message pointer. */
    tsk_size_t totalSize; /**< The total message size. */
    tsk_size_t header_size;	/**< The size of the message header */

    tcomp_buffer_handle_t* stateId; /**< */

    uint32_t bytecodes_destination; /**< */
    tcomp_buffer_handle_t* remaining_sigcomp_buffer; /**< */
    tcomp_buffer_handle_t* uploaded_UDVM_buffer; /**< */
    tcomp_buffer_handle_t* ret_feedback_buffer; /**< */

    tcomp_nackinfo_t* nack_info; /**< */
}
tcomp_message_t;

tcomp_message_t* tcomp_message_create(const void* input_ptr, tsk_size_t input_size, tsk_bool_t stream, int32_t *nack_code);

TINYSIGCOMP_GEXTERN const tsk_object_def_t *tcomp_message_def_t;

TCOMP_END_DECLS

#endif /* TCOMP_MESSAGE_H */