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* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* The original file was part of Open Source Doubango Framework
* Copyright (C) 2010-2011 Mamadou Diop.
* Copyright (C) 2012 Doubango Telecom <http://doubango.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_RSeq.c
* @brief SIP RSeq header as per RFC 3262.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#include "tinysip/headers/tsip_header_RSeq.h"
#include "tinysip/parsers/tsip_parser_uri.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
/***********************************
* Ragel state machine.
*/
/* #line 65 "./ragel/tsip_parser_header_RSeq.rl" */
tsip_header_RSeq_t* tsip_header_RSeq_create(uint32_t seq)
{
return tsk_object_new(TSIP_HEADER_RSEQ_VA_ARGS(seq));
}
tsip_header_RSeq_t* tsip_header_RSeq_create_null()
{
return tsip_header_RSeq_create(0);
}
int tsip_header_RSeq_serialize(const tsip_header_t* header, tsk_buffer_t* output)
{
if(header){
const tsip_header_RSeq_t *RSeq = (const tsip_header_RSeq_t *)header;
return tsk_buffer_append_2(output, "%u", RSeq->seq);
}
return -1;
}
tsip_header_RSeq_t *tsip_header_RSeq_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_RSeq_t *hdr_rseq = tsip_header_RSeq_create_null();
const char *tag_start = tsk_null;
/* #line 81 "./src/headers/tsip_header_RSeq.c" */
static const char _tsip_machine_parser_header_RSeq_actions[] = {
0, 1, 0, 1, 1, 1, 2
};
static const char _tsip_machine_parser_header_RSeq_key_offsets[] = {
0, 0, 2, 4, 6, 8, 11, 16,
17, 19, 23, 26, 27
};
static const char _tsip_machine_parser_header_RSeq_trans_keys[] = {
82, 114, 83, 115, 69, 101, 81, 113,
9, 32, 58, 9, 13, 32, 48, 57,
10, 9, 32, 9, 32, 48, 57, 13,
48, 57, 10, 0
};
static const char _tsip_machine_parser_header_RSeq_single_lengths[] = {
0, 2, 2, 2, 2, 3, 3, 1,
2, 2, 1, 1, 0
};
static const char _tsip_machine_parser_header_RSeq_range_lengths[] = {
0, 0, 0, 0, 0, 0, 1, 0,
0, 1, 1, 0, 0
};
static const char _tsip_machine_parser_header_RSeq_index_offsets[] = {
0, 0, 3, 6, 9, 12, 16, 21,
23, 26, 30, 33, 35
};
static const char _tsip_machine_parser_header_RSeq_indicies[] = {
0, 0, 1, 2, 2, 1, 3, 3,
1, 4, 4, 1, 4, 4, 5, 1,
5, 6, 5, 7, 1, 8, 1, 9,
9, 1, 9, 9, 7, 1, 10, 11,
1, 12, 1, 1, 0
};
static const char _tsip_machine_parser_header_RSeq_trans_targs[] = {
2, 0, 3, 4, 5, 6, 7, 10,
8, 9, 11, 10, 12
};
static const char _tsip_machine_parser_header_RSeq_trans_actions[] = {
0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 3, 0, 5
};
static const int tsip_machine_parser_header_RSeq_start = 1;
static const int tsip_machine_parser_header_RSeq_first_final = 12;
static const int tsip_machine_parser_header_RSeq_error = 0;
static const int tsip_machine_parser_header_RSeq_en_main = 1;
/* #line 98 "./ragel/tsip_parser_header_RSeq.rl" */
(void)(eof);
(void)(tsip_machine_parser_header_RSeq_first_final);
(void)(tsip_machine_parser_header_RSeq_error);
(void)(tsip_machine_parser_header_RSeq_en_main);
/* #line 144 "./src/headers/tsip_header_RSeq.c" */
{
cs = tsip_machine_parser_header_RSeq_start;
}
/* #line 103 "./ragel/tsip_parser_header_RSeq.rl" */
/* #line 151 "./src/headers/tsip_header_RSeq.c" */
{
int _klen;
unsigned int _trans;
const char *_acts;
unsigned int _nacts;
const char *_keys;
if ( p == pe )
goto _test_eof;
if ( cs == 0 )
goto _out;
_resume:
_keys = _tsip_machine_parser_header_RSeq_trans_keys + _tsip_machine_parser_header_RSeq_key_offsets[cs];
_trans = _tsip_machine_parser_header_RSeq_index_offsets[cs];
_klen = _tsip_machine_parser_header_RSeq_single_lengths[cs];
if ( _klen > 0 ) {
const char *_lower = _keys;
const char *_mid;
const char *_upper = _keys + _klen - 1;
while (1) {
if ( _upper < _lower )
break;
_mid = _lower + ((_upper-_lower) >> 1);
if ( (*p) < *_mid )
_upper = _mid - 1;
else if ( (*p) > *_mid )
_lower = _mid + 1;
else {
_trans += (_mid - _keys);
goto _match;
}
}
_keys += _klen;
_trans += _klen;
}
_klen = _tsip_machine_parser_header_RSeq_range_lengths[cs];
if ( _klen > 0 ) {
const char *_lower = _keys;
const char *_mid;
const char *_upper = _keys + (_klen<<1) - 2;
while (1) {
if ( _upper < _lower )
break;
_mid = _lower + (((_upper-_lower) >> 1) & ~1);
if ( (*p) < _mid[0] )
_upper = _mid - 2;
else if ( (*p) > _mid[1] )
_lower = _mid + 2;
else {
_trans += ((_mid - _keys)>>1);
goto _match;
}
}
_trans += _klen;
}
_match:
_trans = _tsip_machine_parser_header_RSeq_indicies[_trans];
cs = _tsip_machine_parser_header_RSeq_trans_targs[_trans];
if ( _tsip_machine_parser_header_RSeq_trans_actions[_trans] == 0 )
goto _again;
_acts = _tsip_machine_parser_header_RSeq_actions + _tsip_machine_parser_header_RSeq_trans_actions[_trans];
_nacts = (unsigned int) *_acts++;
while ( _nacts-- > 0 )
{
switch ( *_acts++ )
{
case 0:
/* #line 49 "./ragel/tsip_parser_header_RSeq.rl" */
{
tag_start = p;
}
break;
case 1:
/* #line 53 "./ragel/tsip_parser_header_RSeq.rl" */
{
TSK_PARSER_SET_UINT(hdr_rseq->seq);
}
break;
case 2:
/* #line 57 "./ragel/tsip_parser_header_RSeq.rl" */
{
}
break;
/* #line 242 "./src/headers/tsip_header_RSeq.c" */
}
}
_again:
if ( cs == 0 )
goto _out;
if ( ++p != pe )
goto _resume;
_test_eof: {}
_out: {}
}
/* #line 104 "./ragel/tsip_parser_header_RSeq.rl" */
if( cs <
/* #line 258 "./src/headers/tsip_header_RSeq.c" */
12
/* #line 105 "./ragel/tsip_parser_header_RSeq.rl" */
){
TSK_DEBUG_ERROR("Failed to parse 'RSeq' header.");
TSK_OBJECT_SAFE_FREE(hdr_rseq);
}
return hdr_rseq;
}
//========================================================
// RSeq header object definition
//
static tsk_object_t* tsip_header_RSeq_ctor(tsk_object_t *self, va_list * app)
{
tsip_header_RSeq_t *RSeq = self;
if(RSeq){
TSIP_HEADER(RSeq)->type = tsip_htype_RSeq;
TSIP_HEADER(RSeq)->serialize = tsip_header_RSeq_serialize;
RSeq->seq = va_arg(*app, uint32_t);
}
else{
TSK_DEBUG_ERROR("Failed to create new RSeq header.");
}
return self;
}
static tsk_object_t* tsip_header_RSeq_dtor(tsk_object_t *self)
{
tsip_header_RSeq_t *RSeq = self;
if(RSeq){
TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(RSeq));
}
else{
TSK_DEBUG_ERROR("Null RSeq header.");
}
return self;
}
static const tsk_object_def_t tsip_header_RSeq_def_s =
{
sizeof(tsip_header_RSeq_t),
tsip_header_RSeq_ctor,
tsip_header_RSeq_dtor,
tsk_null
};
const tsk_object_def_t *tsip_header_RSeq_def_t = &tsip_header_RSeq_def_s;
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