diff options
Diffstat (limited to 'tinySIP/src/headers/tsip_header_CSeq.c')
-rw-r--r-- | tinySIP/src/headers/tsip_header_CSeq.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/tinySIP/src/headers/tsip_header_CSeq.c b/tinySIP/src/headers/tsip_header_CSeq.c new file mode 100644 index 0000000..ca168ea --- /dev/null +++ b/tinySIP/src/headers/tsip_header_CSeq.c @@ -0,0 +1,344 @@ + +/* #line 1 "./ragel/tsip_parser_header_CSeq.rl" */ +/* +* 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_CSeq.c + * @brief SIP CSeq header. + * + * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> + * + + */ +#include "tinysip/headers/tsip_header_CSeq.h" + +#include "tinysip/parsers/tsip_parser_uri.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" + +extern tsip_request_type_t tsip_request_get_type(const char* method); + +/*********************************** +* Ragel state machine. +*/ + +/* #line 68 "./ragel/tsip_parser_header_CSeq.rl" */ + + + +tsip_header_CSeq_t* tsip_header_CSeq_create(int32_t seq, const char*method) +{ + return tsk_object_new(TSIP_HEADER_CSEQ_VA_ARGS(seq, method)); +} + +int tsip_header_CSeq_serialize(const tsip_header_t* header, tsk_buffer_t* output) +{ + if(header){ + const tsip_header_CSeq_t *CSeq = (const tsip_header_CSeq_t *)header; + return tsk_buffer_append_2(output, "%u %s", CSeq->seq, CSeq->method); + } + return -1; +} + +tsip_header_CSeq_t *tsip_header_CSeq_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_CSeq_t *hdr_cseq = tsip_header_CSeq_create(TSIP_HEADER_CSEQ_NONE, tsk_null); + + const char *tag_start = tsk_null; + + +/* #line 75 "./src/headers/tsip_header_CSeq.c" */ +static const char _tsip_machine_parser_header_CSeq_actions[] = { + 0, 1, 0, 1, 1, 1, 2, 1, + 3 +}; + +static const char _tsip_machine_parser_header_CSeq_key_offsets[] = { + 0, 0, 2, 4, 6, 8, 11, 16, + 17, 19, 23, 28, 45, 46, 48, 64, + 79, 80 +}; + +static const char _tsip_machine_parser_header_CSeq_trans_keys[] = { + 67, 99, 83, 115, 69, 101, 81, 113, + 9, 32, 58, 9, 13, 32, 48, 57, + 10, 9, 32, 9, 32, 48, 57, 9, + 13, 32, 48, 57, 9, 13, 32, 33, + 37, 39, 126, 42, 43, 45, 46, 48, + 57, 65, 90, 95, 122, 10, 9, 32, + 9, 32, 33, 37, 39, 126, 42, 43, + 45, 46, 48, 57, 65, 90, 95, 122, + 13, 33, 37, 39, 126, 42, 43, 45, + 46, 48, 57, 65, 90, 95, 122, 10, + 0 +}; + +static const char _tsip_machine_parser_header_CSeq_single_lengths[] = { + 0, 2, 2, 2, 2, 3, 3, 1, + 2, 2, 3, 7, 1, 2, 6, 5, + 1, 0 +}; + +static const char _tsip_machine_parser_header_CSeq_range_lengths[] = { + 0, 0, 0, 0, 0, 0, 1, 0, + 0, 1, 1, 5, 0, 0, 5, 5, + 0, 0 +}; + +static const char _tsip_machine_parser_header_CSeq_index_offsets[] = { + 0, 0, 3, 6, 9, 12, 16, 21, + 23, 26, 30, 35, 48, 50, 53, 65, + 76, 78 +}; + +static const char _tsip_machine_parser_header_CSeq_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, + 10, 12, 1, 13, 14, 13, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 1, + 16, 1, 17, 17, 1, 17, 17, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 1, 18, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 1, 20, 1, 1, 0 +}; + +static const char _tsip_machine_parser_header_CSeq_trans_targs[] = { + 2, 0, 3, 4, 5, 6, 7, 10, + 8, 9, 11, 12, 10, 11, 12, 15, + 13, 14, 16, 15, 17 +}; + +static const char _tsip_machine_parser_header_CSeq_trans_actions[] = { + 0, 0, 0, 0, 0, 0, 0, 1, + 0, 0, 5, 5, 0, 0, 0, 1, + 0, 0, 3, 0, 7 +}; + +static const int tsip_machine_parser_header_CSeq_start = 1; +static const int tsip_machine_parser_header_CSeq_first_final = 17; +static const int tsip_machine_parser_header_CSeq_error = 0; + +static const int tsip_machine_parser_header_CSeq_en_main = 1; + + +/* #line 96 "./ragel/tsip_parser_header_CSeq.rl" */ + (void)(eof); + (void)(tsip_machine_parser_header_CSeq_first_final); + (void)(tsip_machine_parser_header_CSeq_error); + (void)(tsip_machine_parser_header_CSeq_en_main); + +/* #line 157 "./src/headers/tsip_header_CSeq.c" */ + { + cs = tsip_machine_parser_header_CSeq_start; + } + +/* #line 101 "./ragel/tsip_parser_header_CSeq.rl" */ + +/* #line 164 "./src/headers/tsip_header_CSeq.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_CSeq_trans_keys + _tsip_machine_parser_header_CSeq_key_offsets[cs]; + _trans = _tsip_machine_parser_header_CSeq_index_offsets[cs]; + + _klen = _tsip_machine_parser_header_CSeq_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_CSeq_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_CSeq_indicies[_trans]; + cs = _tsip_machine_parser_header_CSeq_trans_targs[_trans]; + + if ( _tsip_machine_parser_header_CSeq_trans_actions[_trans] == 0 ) + goto _again; + + _acts = _tsip_machine_parser_header_CSeq_actions + _tsip_machine_parser_header_CSeq_trans_actions[_trans]; + _nacts = (unsigned int) *_acts++; + while ( _nacts-- > 0 ) + { + switch ( *_acts++ ) + { + case 0: +/* #line 48 "./ragel/tsip_parser_header_CSeq.rl" */ + { + tag_start = p; + } + break; + case 1: +/* #line 52 "./ragel/tsip_parser_header_CSeq.rl" */ + { + TSK_PARSER_SET_STRING(hdr_cseq->method); + } + break; + case 2: +/* #line 56 "./ragel/tsip_parser_header_CSeq.rl" */ + { + TSK_PARSER_SET_UINT(hdr_cseq->seq); + } + break; + case 3: +/* #line 60 "./ragel/tsip_parser_header_CSeq.rl" */ + { + } + break; +/* #line 261 "./src/headers/tsip_header_CSeq.c" */ + } + } + +_again: + if ( cs == 0 ) + goto _out; + if ( ++p != pe ) + goto _resume; + _test_eof: {} + _out: {} + } + +/* #line 102 "./ragel/tsip_parser_header_CSeq.rl" */ + + if( cs < +/* #line 277 "./src/headers/tsip_header_CSeq.c" */ +17 +/* #line 103 "./ragel/tsip_parser_header_CSeq.rl" */ + ){ + TSK_DEBUG_ERROR("Failed to parse 'CSeq' header."); + TSK_OBJECT_SAFE_FREE(hdr_cseq); + } + else { + hdr_cseq->type = tsip_request_get_type(hdr_cseq->method); + } + + return hdr_cseq; +} + + + + + + + +//======================================================== +// CSeq header object definition +// + +static tsk_object_t* tsip_header_CSeq_ctor(tsk_object_t *self, va_list * app) +{ + tsip_header_CSeq_t *CSeq = self; + if(CSeq){ + TSIP_HEADER(CSeq)->type = tsip_htype_CSeq; + TSIP_HEADER(CSeq)->serialize = tsip_header_CSeq_serialize; + CSeq->seq = va_arg(*app, uint32_t); + CSeq->method = tsk_strdup(va_arg(*app, const char*)); + + if(!tsk_strnullORempty(CSeq->method)){ + CSeq->type = tsip_request_get_type(CSeq->method); + } + else{ + CSeq->type = tsip_NONE; + } + } + else{ + TSK_DEBUG_ERROR("Failed to create new CSeq header."); + } + return self; +} + +static tsk_object_t* tsip_header_CSeq_dtor(tsk_object_t *self) +{ + tsip_header_CSeq_t *CSeq = self; + if(CSeq){ + TSK_FREE(CSeq->method); + TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(CSeq)); + } + else{ + TSK_DEBUG_ERROR("Null CSeq header."); + } + + return self; +} + +static const tsk_object_def_t tsip_header_CSeq_def_s = +{ + sizeof(tsip_header_CSeq_t), + tsip_header_CSeq_ctor, + tsip_header_CSeq_dtor, + tsk_null +}; +const tsk_object_def_t *tsip_header_CSeq_def_t = &tsip_header_CSeq_def_s; + |