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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 tsip_header_RAck.c
* @brief SIP RAck header as per RFC 3262.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#include "tinysip/headers/tsip_header_RAck.h"
#include "tinysip/parsers/tsip_parser_uri.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
/***********************************
* Ragel state machine.
*/
%%{
machine tsip_machine_parser_header_RAck;
# Includes
include tsip_machine_utils "./ragel/tsip_machine_utils.rl";
action tag{
tag_start = p;
}
action parse_seq{
TSK_PARSER_SET_UINT(hdr_rack->seq);
}
action parse_cseq{
TSK_PARSER_SET_UINT(hdr_rack->cseq);
}
action parse_method{
TSK_PARSER_SET_STRING(hdr_rack->method);
}
action eob{
}
RAck = "RAck"i HCOLON DIGIT+>tag %parse_seq LWS DIGIT+>tag %parse_cseq LWS Method>tag %parse_method;
# Entry point
main := RAck :>CRLF @eob;
}%%
tsip_header_RAck_t* tsip_header_RAck_create(uint32_t seq, uint32_t cseq, const char* method)
{
return tsk_object_new(TSIP_HEADER_RACK_VA_ARGS(seq, cseq, method));
}
tsip_header_RAck_t* tsip_header_RAck_create_null()
{
return tsip_header_RAck_create(0, 0, tsk_null);
}
int tsip_header_RAck_serialize(const tsip_header_t* header, tsk_buffer_t* output)
{
if(header){
const tsip_header_RAck_t *RAck = (const tsip_header_RAck_t *)header;
return tsk_buffer_append_2(output, "%u %u %s", RAck->seq, RAck->cseq, RAck->method);
}
return -1;
}
tsip_header_RAck_t *tsip_header_RAck_parse(const char *data, tsk_size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tsip_header_RAck_t *hdr_rack = tsip_header_RAck_create_null();
const char *tag_start = tsk_null;
%%write data;
(void)(eof);
(void)(tsip_machine_parser_header_RAck_first_final);
(void)(tsip_machine_parser_header_RAck_error);
(void)(tsip_machine_parser_header_RAck_en_main);
%%write init;
%%write exec;
if( cs < %%{ write first_final; }%% ){
TSK_DEBUG_ERROR("Failed to parse 'RAck' header.");
TSK_OBJECT_SAFE_FREE(hdr_rack);
}
return hdr_rack;
}
//========================================================
// RAck header object definition
//
static tsk_object_t* tsip_header_RAck_ctor(tsk_object_t *self, va_list * app)
{
tsip_header_RAck_t *RAck = self;
if(RAck){
TSIP_HEADER(RAck)->type = tsip_htype_RAck;
TSIP_HEADER(RAck)->serialize = tsip_header_RAck_serialize;
RAck->seq = va_arg(*app, uint32_t);
RAck->cseq = va_arg(*app, uint32_t);
RAck->method = tsk_strdup( va_arg(*app, const char*) );
}
else{
TSK_DEBUG_ERROR("Failed to create new RAck header.");
}
return self;
}
static tsk_object_t* tsip_header_RAck_dtor(tsk_object_t *self)
{
tsip_header_RAck_t *RAck = self;
if(RAck){
TSK_FREE(RAck->method);
TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(RAck));
}
else{
TSK_DEBUG_ERROR("Null RAck header.");
}
return self;
}
static const tsk_object_def_t tsip_header_RAck_def_s =
{
sizeof(tsip_header_RAck_t),
tsip_header_RAck_ctor,
tsip_header_RAck_dtor,
tsk_null
};
const tsk_object_def_t *tsip_header_RAck_def_t = &tsip_header_RAck_def_s;
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