diff options
Diffstat (limited to 'tinySDP/src/headers/tsdp_header_M.c')
| -rwxr-xr-x | tinySDP/src/headers/tsdp_header_M.c | 1721 |
1 files changed, 860 insertions, 861 deletions
diff --git a/tinySDP/src/headers/tsdp_header_M.c b/tinySDP/src/headers/tsdp_header_M.c index 597839b..130866d 100755 --- a/tinySDP/src/headers/tsdp_header_M.c +++ b/tinySDP/src/headers/tsdp_header_M.c @@ -2,19 +2,19 @@ /* #line 1 "./ragel/tsdp_parser_header_M.rl" */ /* * Copyright (C) 2010-2015 Mamadou Diop. -* +* * 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. * @@ -23,7 +23,7 @@ /**@file tsdp_header_M.c * @brief SDP "m=" header (Media Descriptions). - * + * */ #include "tinysdp/headers/tsdp_header_M.h" @@ -44,835 +44,835 @@ tsdp_header_M_t* tsdp_header_M_create(const char* media, uint32_t port, const char* proto) { - return tsk_object_new(TSDP_HEADER_M_VA_ARGS(media, port, proto)); + return tsk_object_new(TSDP_HEADER_M_VA_ARGS(media, port, proto)); } tsdp_header_M_t* tsdp_header_M_create_null() { - return tsdp_header_M_create(tsk_null, 0, tsk_null); + return tsdp_header_M_create(tsk_null, 0, tsk_null); } tsdp_fmt_t* tsdp_fmt_create(const char* fmt) { - return tsk_object_new(TSDP_FMT_VA_ARGS(fmt)); + return tsk_object_new(TSDP_FMT_VA_ARGS(fmt)); } int tsdp_header_M_tostring(const tsdp_header_t* header, tsk_buffer_t* output) { - if(header){ - const tsdp_header_M_t *M = (const tsdp_header_M_t *)header; - const tsk_list_item_t* item; - tsk_istr_t nports; - - tsk_itoa(M->nports, &nports); - - /* IMPORTANT: Keep the order. - - m= (media name and transport address) - i=* (media title) - c=* (connection information -- optional if included at - session level) - b=* (zero or more bandwidth information lines) - k=* (encryption key) - a=* (zero or more media attribute lines) - */ - tsk_buffer_append_2(output, "%s %u%s%s %s", - M->media, - M->port, - - M->nports ? "/" : "", - M->nports ? nports : "", - - M->proto - ); - // FMTs - tsk_list_foreach(item, M->FMTs){ - tsk_buffer_append_2(output, " %s", TSDP_FMT_STR(item->data)); - } - tsk_buffer_append(output, "\r\n", 2); // close the "m=" line. - // i=* (media title) - if(M->I){ - tsdp_header_serialize(TSDP_HEADER(M->I), output); - } - // c=* (connection information -- optional if included at session level) - if(M->C){ - tsdp_header_serialize(TSDP_HEADER(M->C), output); - } - // b=* (zero or more bandwidth information lines) - if(M->Bandwidths){ - tsk_list_foreach(item, M->Bandwidths){ - tsdp_header_serialize(TSDP_HEADER(item->data), output); - } - } - // k=* (encryption key) - if(M->K){ - tsdp_header_serialize(TSDP_HEADER(M->K), output); - } - // a=* (zero or more media attribute lines) - if(M->Attributes){ - tsk_list_foreach(item, M->Attributes){ - tsdp_header_serialize(TSDP_HEADER(item->data), output); - } - } - return 0; - } - - return -1; + if(header) { + const tsdp_header_M_t *M = (const tsdp_header_M_t *)header; + const tsk_list_item_t* item; + tsk_istr_t nports; + + tsk_itoa(M->nports, &nports); + + /* IMPORTANT: Keep the order. + + m= (media name and transport address) + i=* (media title) + c=* (connection information -- optional if included at + session level) + b=* (zero or more bandwidth information lines) + k=* (encryption key) + a=* (zero or more media attribute lines) + */ + tsk_buffer_append_2(output, "%s %u%s%s %s", + M->media, + M->port, + + M->nports ? "/" : "", + M->nports ? nports : "", + + M->proto + ); + // FMTs + tsk_list_foreach(item, M->FMTs) { + tsk_buffer_append_2(output, " %s", TSDP_FMT_STR(item->data)); + } + tsk_buffer_append(output, "\r\n", 2); // close the "m=" line. + // i=* (media title) + if(M->I) { + tsdp_header_serialize(TSDP_HEADER(M->I), output); + } + // c=* (connection information -- optional if included at session level) + if(M->C) { + tsdp_header_serialize(TSDP_HEADER(M->C), output); + } + // b=* (zero or more bandwidth information lines) + if(M->Bandwidths) { + tsk_list_foreach(item, M->Bandwidths) { + tsdp_header_serialize(TSDP_HEADER(item->data), output); + } + } + // k=* (encryption key) + if(M->K) { + tsdp_header_serialize(TSDP_HEADER(M->K), output); + } + // a=* (zero or more media attribute lines) + if(M->Attributes) { + tsk_list_foreach(item, M->Attributes) { + tsdp_header_serialize(TSDP_HEADER(item->data), output); + } + } + return 0; + } + + return -1; } tsdp_header_t* tsdp_header_M_clone(const tsdp_header_t* header) { - if(header){ - const tsdp_header_M_t *M = (const tsdp_header_M_t *)header; - tsdp_header_M_t* clone; - const tsk_list_item_t* item; - - if((clone = tsdp_header_M_create(M->media, M->port, M->proto))){ - clone->nports = M->nports; - - // Formats - tsk_list_foreach(item, M->FMTs){ - tsk_string_t* string = tsk_string_create(TSK_STRING_STR(item->data)); - tsk_list_push_back_data(clone->FMTs, (void**)&string); - } - - // I - clone->I = (tsdp_header_I_t*) (M->I ? TSDP_HEADER(M->I)->clone(TSDP_HEADER(M->I)) : tsk_null); - // C - clone->C = (tsdp_header_C_t*) (M->C ? TSDP_HEADER(M->C)->clone(TSDP_HEADER(M->C)) : tsk_null); - // Bandwidths - tsk_list_foreach(item, M->Bandwidths){ - tsdp_header_t* B; - if(!clone->Bandwidths){ - clone->Bandwidths = tsk_list_create(); - } - B = ((tsdp_header_t*)item->data)->clone((tsdp_header_t*)item->data); - tsk_list_push_back_data(clone->Bandwidths, (void**)&B); - } - // K - clone->K = (tsdp_header_K_t*) (M->K ? TSDP_HEADER(M->K)->clone(TSDP_HEADER(M->K)) : tsk_null); - // Attributes - tsk_list_foreach(item, M->Attributes){ - tsdp_header_t* A; - if(!clone->Attributes){ - clone->Attributes = tsk_list_create(); - } - A = ((tsdp_header_t*)item->data)->clone((tsdp_header_t*)item->data); - tsk_list_push_back_data(clone->Attributes, (void**)&A); - } - } - - return TSDP_HEADER(clone); - } - return tsk_null; + if(header) { + const tsdp_header_M_t *M = (const tsdp_header_M_t *)header; + tsdp_header_M_t* clone; + const tsk_list_item_t* item; + + if((clone = tsdp_header_M_create(M->media, M->port, M->proto))) { + clone->nports = M->nports; + + // Formats + tsk_list_foreach(item, M->FMTs) { + tsk_string_t* string = tsk_string_create(TSK_STRING_STR(item->data)); + tsk_list_push_back_data(clone->FMTs, (void**)&string); + } + + // I + clone->I = (tsdp_header_I_t*) (M->I ? TSDP_HEADER(M->I)->clone(TSDP_HEADER(M->I)) : tsk_null); + // C + clone->C = (tsdp_header_C_t*) (M->C ? TSDP_HEADER(M->C)->clone(TSDP_HEADER(M->C)) : tsk_null); + // Bandwidths + tsk_list_foreach(item, M->Bandwidths) { + tsdp_header_t* B; + if(!clone->Bandwidths) { + clone->Bandwidths = tsk_list_create(); + } + B = ((tsdp_header_t*)item->data)->clone((tsdp_header_t*)item->data); + tsk_list_push_back_data(clone->Bandwidths, (void**)&B); + } + // K + clone->K = (tsdp_header_K_t*) (M->K ? TSDP_HEADER(M->K)->clone(TSDP_HEADER(M->K)) : tsk_null); + // Attributes + tsk_list_foreach(item, M->Attributes) { + tsdp_header_t* A; + if(!clone->Attributes) { + clone->Attributes = tsk_list_create(); + } + A = ((tsdp_header_t*)item->data)->clone((tsdp_header_t*)item->data); + tsk_list_push_back_data(clone->Attributes, (void**)&A); + } + } + + return TSDP_HEADER(clone); + } + return tsk_null; } tsdp_header_M_t *tsdp_header_M_parse(const char *data, tsk_size_t size) { - int cs = 0; - const char *p = data; - const char *pe = p + size; - const char *eof = pe; - tsdp_header_M_t *hdr_M = tsdp_header_M_create_null(); - - const char *tag_start = tsk_null; - - TSK_RAGEL_DISABLE_WARNINGS_BEGIN() - -/* #line 184 "./src/headers/tsdp_header_M.c" */ -static const char _tsdp_machine_parser_header_M_actions[] = { - 0, 1, 0, 1, 1, 1, 2, 1, - 3, 1, 4 -}; - -static const char _tsdp_machine_parser_header_M_key_offsets[] = { - 0, 0, 1, 3, 18, 33, 35, 39, - 53, 54, 68, 70, 73, 88, 88, 103 -}; - -static const char _tsdp_machine_parser_header_M_trans_keys[] = { - 109, 32, 61, 32, 33, 37, 39, 126, - 42, 43, 45, 46, 48, 57, 65, 90, - 95, 122, 32, 33, 37, 39, 126, 42, - 43, 45, 46, 48, 57, 65, 90, 95, - 122, 48, 57, 32, 47, 48, 57, 33, - 37, 39, 126, 42, 43, 45, 46, 48, - 57, 65, 90, 95, 122, 10, 33, 37, - 39, 126, 42, 43, 45, 46, 48, 57, - 65, 90, 95, 122, 48, 57, 32, 48, - 57, 13, 32, 33, 37, 39, 47, 126, - 42, 43, 45, 57, 65, 90, 95, 122, - 13, 33, 37, 39, 126, 42, 43, 45, - 46, 48, 57, 65, 90, 95, 122, 13, - 32, 33, 37, 39, 126, 42, 43, 45, - 46, 48, 57, 65, 90, 95, 122, 0 -}; - -static const char _tsdp_machine_parser_header_M_single_lengths[] = { - 0, 1, 2, 5, 5, 0, 2, 4, - 1, 4, 0, 1, 7, 0, 5, 6 -}; + int cs = 0; + const char *p = data; + const char *pe = p + size; + const char *eof = pe; + tsdp_header_M_t *hdr_M = tsdp_header_M_create_null(); + + const char *tag_start = tsk_null; + + TSK_RAGEL_DISABLE_WARNINGS_BEGIN() + + /* #line 184 "./src/headers/tsdp_header_M.c" */ + static const char _tsdp_machine_parser_header_M_actions[] = { + 0, 1, 0, 1, 1, 1, 2, 1, + 3, 1, 4 + }; + + static const char _tsdp_machine_parser_header_M_key_offsets[] = { + 0, 0, 1, 3, 18, 33, 35, 39, + 53, 54, 68, 70, 73, 88, 88, 103 + }; + + static const char _tsdp_machine_parser_header_M_trans_keys[] = { + 109, 32, 61, 32, 33, 37, 39, 126, + 42, 43, 45, 46, 48, 57, 65, 90, + 95, 122, 32, 33, 37, 39, 126, 42, + 43, 45, 46, 48, 57, 65, 90, 95, + 122, 48, 57, 32, 47, 48, 57, 33, + 37, 39, 126, 42, 43, 45, 46, 48, + 57, 65, 90, 95, 122, 10, 33, 37, + 39, 126, 42, 43, 45, 46, 48, 57, + 65, 90, 95, 122, 48, 57, 32, 48, + 57, 13, 32, 33, 37, 39, 47, 126, + 42, 43, 45, 57, 65, 90, 95, 122, + 13, 33, 37, 39, 126, 42, 43, 45, + 46, 48, 57, 65, 90, 95, 122, 13, + 32, 33, 37, 39, 126, 42, 43, 45, + 46, 48, 57, 65, 90, 95, 122, 0 + }; + + static const char _tsdp_machine_parser_header_M_single_lengths[] = { + 0, 1, 2, 5, 5, 0, 2, 4, + 1, 4, 0, 1, 7, 0, 5, 6 + }; + + static const char _tsdp_machine_parser_header_M_range_lengths[] = { + 0, 0, 0, 5, 5, 1, 1, 5, + 0, 5, 1, 1, 4, 0, 5, 5 + }; + + static const char _tsdp_machine_parser_header_M_index_offsets[] = { + 0, 0, 2, 5, 16, 27, 29, 33, + 43, 45, 55, 57, 60, 72, 73, 84 + }; + + static const char _tsdp_machine_parser_header_M_indicies[] = { + 0, 1, 0, 2, 1, 2, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 1, + 4, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 1, 6, 1, 7, 8, 9, + 1, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 1, 11, 1, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 1, 13, + 1, 7, 14, 1, 15, 16, 12, 12, + 12, 17, 12, 12, 12, 12, 12, 1, + 1, 18, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 1, 20, 21, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 1, + 0 + }; + + static const char _tsdp_machine_parser_header_M_trans_targs[] = { + 2, 0, 3, 4, 5, 4, 6, 7, + 10, 6, 12, 13, 12, 11, 11, 8, + 14, 9, 8, 15, 8, 14, 15 + }; + + static const char _tsdp_machine_parser_header_M_trans_actions[] = { + 0, 0, 0, 1, 3, 0, 1, 5, + 5, 0, 1, 0, 0, 1, 0, 7, + 7, 0, 0, 1, 9, 9, 0 + }; + + static const char _tsdp_machine_parser_header_M_eof_actions[] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 9 + }; + + static const int tsdp_machine_parser_header_M_start = 1; + static const int tsdp_machine_parser_header_M_first_final = 12; + static const int tsdp_machine_parser_header_M_error = 0; + + static const int tsdp_machine_parser_header_M_en_main = 1; + + + /* #line 220 "./ragel/tsdp_parser_header_M.rl" */ + (void)(tsdp_machine_parser_header_M_first_final); + (void)(tsdp_machine_parser_header_M_error); + (void)(tsdp_machine_parser_header_M_en_main); + + /* #line 273 "./src/headers/tsdp_header_M.c" */ + { + cs = tsdp_machine_parser_header_M_start; + } + + /* #line 224 "./ragel/tsdp_parser_header_M.rl" */ + + /* #line 280 "./src/headers/tsdp_header_M.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 = _tsdp_machine_parser_header_M_trans_keys + _tsdp_machine_parser_header_M_key_offsets[cs]; + _trans = _tsdp_machine_parser_header_M_index_offsets[cs]; + + _klen = _tsdp_machine_parser_header_M_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; + } -static const char _tsdp_machine_parser_header_M_range_lengths[] = { - 0, 0, 0, 5, 5, 1, 1, 5, - 0, 5, 1, 1, 4, 0, 5, 5 -}; + _klen = _tsdp_machine_parser_header_M_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; + } -static const char _tsdp_machine_parser_header_M_index_offsets[] = { - 0, 0, 2, 5, 16, 27, 29, 33, - 43, 45, 55, 57, 60, 72, 73, 84 -}; +_match: + _trans = _tsdp_machine_parser_header_M_indicies[_trans]; + cs = _tsdp_machine_parser_header_M_trans_targs[_trans]; -static const char _tsdp_machine_parser_header_M_indicies[] = { - 0, 1, 0, 2, 1, 2, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 1, - 4, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 1, 6, 1, 7, 8, 9, - 1, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 1, 11, 1, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 1, 13, - 1, 7, 14, 1, 15, 16, 12, 12, - 12, 17, 12, 12, 12, 12, 12, 1, - 1, 18, 19, 19, 19, 19, 19, 19, - 19, 19, 19, 1, 20, 21, 22, 22, - 22, 22, 22, 22, 22, 22, 22, 1, - 0 -}; + if ( _tsdp_machine_parser_header_M_trans_actions[_trans] == 0 ) { + goto _again; + } -static const char _tsdp_machine_parser_header_M_trans_targs[] = { - 2, 0, 3, 4, 5, 4, 6, 7, - 10, 6, 12, 13, 12, 11, 11, 8, - 14, 9, 8, 15, 8, 14, 15 -}; + _acts = _tsdp_machine_parser_header_M_actions + _tsdp_machine_parser_header_M_trans_actions[_trans]; + _nacts = (unsigned int) *_acts++; + while ( _nacts-- > 0 ) { + switch ( *_acts++ ) { + case 0: + /* #line 43 "./ragel/tsdp_parser_header_M.rl" */ + { + tag_start = p; + } + break; + case 1: + /* #line 47 "./ragel/tsdp_parser_header_M.rl" */ + { + TSK_PARSER_SET_STRING(hdr_M->media); + } + break; + case 2: + /* #line 51 "./ragel/tsdp_parser_header_M.rl" */ + { + TSK_PARSER_SET_UINT(hdr_M->port); + } + break; + case 3: + /* #line 59 "./ragel/tsdp_parser_header_M.rl" */ + { + TSK_PARSER_SET_STRING(hdr_M->proto); + } + break; + case 4: + /* #line 63 "./ragel/tsdp_parser_header_M.rl" */ + { + TSK_PARSER_ADD_STRING(hdr_M->FMTs); + } + break; + /* #line 384 "./src/headers/tsdp_header_M.c" */ + } + } -static const char _tsdp_machine_parser_header_M_trans_actions[] = { - 0, 0, 0, 1, 3, 0, 1, 5, - 5, 0, 1, 0, 0, 1, 0, 7, - 7, 0, 0, 1, 9, 9, 0 -}; +_again: + if ( cs == 0 ) { + goto _out; + } + if ( ++p != pe ) { + goto _resume; + } +_test_eof: { + } + if ( p == eof ) { + const char *__acts = _tsdp_machine_parser_header_M_actions + _tsdp_machine_parser_header_M_eof_actions[cs]; + unsigned int __nacts = (unsigned int) *__acts++; + while ( __nacts-- > 0 ) { + switch ( *__acts++ ) { + case 3: + /* #line 59 "./ragel/tsdp_parser_header_M.rl" */ + { + TSK_PARSER_SET_STRING(hdr_M->proto); + } + break; + case 4: + /* #line 63 "./ragel/tsdp_parser_header_M.rl" */ + { + TSK_PARSER_ADD_STRING(hdr_M->FMTs); + } + break; + /* #line 412 "./src/headers/tsdp_header_M.c" */ + } + } + } -static const char _tsdp_machine_parser_header_M_eof_actions[] = { - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 7, 0, 0, 9 -}; +_out: { + } + } -static const int tsdp_machine_parser_header_M_start = 1; -static const int tsdp_machine_parser_header_M_first_final = 12; -static const int tsdp_machine_parser_header_M_error = 0; - -static const int tsdp_machine_parser_header_M_en_main = 1; - - -/* #line 220 "./ragel/tsdp_parser_header_M.rl" */ - (void)(tsdp_machine_parser_header_M_first_final); - (void)(tsdp_machine_parser_header_M_error); - (void)(tsdp_machine_parser_header_M_en_main); - -/* #line 273 "./src/headers/tsdp_header_M.c" */ - { - cs = tsdp_machine_parser_header_M_start; - } - -/* #line 224 "./ragel/tsdp_parser_header_M.rl" */ - -/* #line 280 "./src/headers/tsdp_header_M.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 = _tsdp_machine_parser_header_M_trans_keys + _tsdp_machine_parser_header_M_key_offsets[cs]; - _trans = _tsdp_machine_parser_header_M_index_offsets[cs]; - - _klen = _tsdp_machine_parser_header_M_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 = _tsdp_machine_parser_header_M_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; - } + /* #line 225 "./ragel/tsdp_parser_header_M.rl" */ + TSK_RAGEL_DISABLE_WARNINGS_END() -_match: - _trans = _tsdp_machine_parser_header_M_indicies[_trans]; - cs = _tsdp_machine_parser_header_M_trans_targs[_trans]; - - if ( _tsdp_machine_parser_header_M_trans_actions[_trans] == 0 ) - goto _again; - - _acts = _tsdp_machine_parser_header_M_actions + _tsdp_machine_parser_header_M_trans_actions[_trans]; - _nacts = (unsigned int) *_acts++; - while ( _nacts-- > 0 ) - { - switch ( *_acts++ ) - { - case 0: -/* #line 43 "./ragel/tsdp_parser_header_M.rl" */ - { - tag_start = p; - } - break; - case 1: -/* #line 47 "./ragel/tsdp_parser_header_M.rl" */ - { - TSK_PARSER_SET_STRING(hdr_M->media); - } - break; - case 2: -/* #line 51 "./ragel/tsdp_parser_header_M.rl" */ - { - TSK_PARSER_SET_UINT(hdr_M->port); - } - break; - case 3: -/* #line 59 "./ragel/tsdp_parser_header_M.rl" */ - { - TSK_PARSER_SET_STRING(hdr_M->proto); - } - break; - case 4: -/* #line 63 "./ragel/tsdp_parser_header_M.rl" */ - { - TSK_PARSER_ADD_STRING(hdr_M->FMTs); - } - break; -/* #line 384 "./src/headers/tsdp_header_M.c" */ - } - } + if( cs < + /* #line 424 "./src/headers/tsdp_header_M.c" */ + 12 + /* #line 227 "./ragel/tsdp_parser_header_M.rl" */ + ) { + TSK_DEBUG_ERROR("Failed to parse \"m=\" header."); + TSK_OBJECT_SAFE_FREE(hdr_M); + } -_again: - if ( cs == 0 ) - goto _out; - if ( ++p != pe ) - goto _resume; - _test_eof: {} - if ( p == eof ) - { - const char *__acts = _tsdp_machine_parser_header_M_actions + _tsdp_machine_parser_header_M_eof_actions[cs]; - unsigned int __nacts = (unsigned int) *__acts++; - while ( __nacts-- > 0 ) { - switch ( *__acts++ ) { - case 3: -/* #line 59 "./ragel/tsdp_parser_header_M.rl" */ - { - TSK_PARSER_SET_STRING(hdr_M->proto); - } - break; - case 4: -/* #line 63 "./ragel/tsdp_parser_header_M.rl" */ - { - TSK_PARSER_ADD_STRING(hdr_M->FMTs); - } - break; -/* #line 412 "./src/headers/tsdp_header_M.c" */ - } - } - } - - _out: {} - } - -/* #line 225 "./ragel/tsdp_parser_header_M.rl" */ - TSK_RAGEL_DISABLE_WARNINGS_END() - - if( cs < -/* #line 424 "./src/headers/tsdp_header_M.c" */ -12 -/* #line 227 "./ragel/tsdp_parser_header_M.rl" */ - ){ - TSK_DEBUG_ERROR("Failed to parse \"m=\" header."); - TSK_OBJECT_SAFE_FREE(hdr_M); - } - - return hdr_M; + return hdr_M; } // for A headers, use "tsdp_header_A_removeAll_by_field()" int tsdp_header_M_remove(tsdp_header_M_t* self, tsdp_header_type_t type) { - switch(type){ - case tsdp_htype_I: - { - TSK_OBJECT_SAFE_FREE(self->I); - break; - } - case tsdp_htype_C: - { - TSK_OBJECT_SAFE_FREE(self->C); - break; - } - case tsdp_htype_B: - { - if(self->Bandwidths){ - tsk_list_clear_items(self->Bandwidths); - } - break; - } - case tsdp_htype_K: - { - TSK_OBJECT_SAFE_FREE(self->K); - break; - } - } - return 0; + switch(type) { + case tsdp_htype_I: { + TSK_OBJECT_SAFE_FREE(self->I); + break; + } + case tsdp_htype_C: { + TSK_OBJECT_SAFE_FREE(self->C); + break; + } + case tsdp_htype_B: { + if(self->Bandwidths) { + tsk_list_clear_items(self->Bandwidths); + } + break; + } + case tsdp_htype_K: { + TSK_OBJECT_SAFE_FREE(self->K); + break; + } + } + return 0; } int tsdp_header_M_add(tsdp_header_M_t* self, const tsdp_header_t* header) { - if(!self || !header){ - return -1; - } - - switch(header->type){ - case tsdp_htype_I: - { - TSK_OBJECT_SAFE_FREE(self->I); - self->I = tsk_object_ref((void*)header); - break; - } - case tsdp_htype_C: - { - TSK_OBJECT_SAFE_FREE(self->C); - self->C = tsk_object_ref((void*)header); - break; - } - case tsdp_htype_B: - { - tsdp_header_t* B = tsk_object_ref((void*)header); - if(!self->Bandwidths){ - self->Bandwidths = tsk_list_create(); - } - tsk_list_push_back_data(self->Bandwidths, (void**)&B); - break; - } - case tsdp_htype_K: - { - TSK_OBJECT_SAFE_FREE(self->K); - self->K = tsk_object_ref((void*)header); - break; - } - case tsdp_htype_A: - { - tsdp_header_t* A = tsk_object_ref((void*)header); - if(!self->Attributes){ - self->Attributes = tsk_list_create(); - } - tsk_list_push_back_data(self->Attributes, (void**)&A); - break; - } - } - - return 0; + if(!self || !header) { + return -1; + } + + switch(header->type) { + case tsdp_htype_I: { + TSK_OBJECT_SAFE_FREE(self->I); + self->I = tsk_object_ref((void*)header); + break; + } + case tsdp_htype_C: { + TSK_OBJECT_SAFE_FREE(self->C); + self->C = tsk_object_ref((void*)header); + break; + } + case tsdp_htype_B: { + tsdp_header_t* B = tsk_object_ref((void*)header); + if(!self->Bandwidths) { + self->Bandwidths = tsk_list_create(); + } + tsk_list_push_back_data(self->Bandwidths, (void**)&B); + break; + } + case tsdp_htype_K: { + TSK_OBJECT_SAFE_FREE(self->K); + self->K = tsk_object_ref((void*)header); + break; + } + case tsdp_htype_A: { + tsdp_header_t* A = tsk_object_ref((void*)header); + if(!self->Attributes) { + self->Attributes = tsk_list_create(); + } + tsk_list_push_back_data(self->Attributes, (void**)&A); + break; + } + } + + return 0; } int tsdp_header_M_add_headers(tsdp_header_M_t* self, ...) { - const tsk_object_def_t* objdef; - tsdp_header_t *header; - tsdp_fmt_t* fmt; - va_list ap; - - if(!self){ - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - va_start(ap, self); - while((objdef = va_arg(ap, const tsk_object_def_t*))){ - if(objdef == tsdp_fmt_def_t){ - if((fmt = tsk_object_new_2(objdef, &ap))){ - tsk_list_push_back_data(self->FMTs, (void**)&fmt); - } - } - else{ - if((header = tsk_object_new_2(objdef, &ap))){ - tsdp_header_M_add(self, header); - TSK_OBJECT_SAFE_FREE(header); - } - } - } - va_end(ap); - - return 0; + const tsk_object_def_t* objdef; + tsdp_header_t *header; + tsdp_fmt_t* fmt; + va_list ap; + + if(!self) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + va_start(ap, self); + while((objdef = va_arg(ap, const tsk_object_def_t*))) { + if(objdef == tsdp_fmt_def_t) { + if((fmt = tsk_object_new_2(objdef, &ap))) { + tsk_list_push_back_data(self->FMTs, (void**)&fmt); + } + } + else { + if((header = tsk_object_new_2(objdef, &ap))) { + tsdp_header_M_add(self, header); + TSK_OBJECT_SAFE_FREE(header); + } + } + } + va_end(ap); + + return 0; } int tsdp_header_M_add_headers_2(tsdp_header_M_t* self, const tsdp_headers_L_t* headers) { - const tsk_list_item_t* item; + const tsk_list_item_t* item; - if(!self || !headers){ - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } + if(!self || !headers) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } - tsk_list_foreach(item, headers){ - tsdp_header_M_add(self, item->data); - } + tsk_list_foreach(item, headers) { + tsdp_header_M_add(self, item->data); + } - return 0; + return 0; } int tsdp_header_M_add_fmt(tsdp_header_M_t* self, const char* fmt) { - tsdp_fmt_t* _fmt; - if(!self || tsk_strnullORempty(fmt)){ - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - if((_fmt = tsdp_fmt_create(fmt))){ - tsk_list_push_back_data(self->FMTs, (void**)&_fmt); - return 0; - } - else{ - TSK_DEBUG_ERROR("Failed to create fmt object"); - return -2; - } + tsdp_fmt_t* _fmt; + if(!self || tsk_strnullORempty(fmt)) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if((_fmt = tsdp_fmt_create(fmt))) { + tsk_list_push_back_data(self->FMTs, (void**)&_fmt); + return 0; + } + else { + TSK_DEBUG_ERROR("Failed to create fmt object"); + return -2; + } } int tsdp_header_M_remove_fmt(tsdp_header_M_t* self, const char* fmt) { - const tsk_list_item_t* itemM; - const tsdp_fmt_t* _fmt; - char* fmt_plus_space = tsk_null; - tsk_size_t fmt_plus_space_len; - if(!self || tsk_strnullORempty(fmt)){ - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } - tsk_sprintf(&fmt_plus_space, "%s ", fmt); - if((fmt_plus_space_len = tsk_strlen(fmt_plus_space))){ - tsk_list_foreach(itemM, self->FMTs){ - if(!(_fmt = (const tsdp_fmt_t*)itemM->data)){ - continue; - } - if(tsk_striequals(_fmt->value, fmt)){ - // remove all A headers using this attribute - const tsdp_header_A_t* A; - const tsk_list_item_t* itemA; + const tsk_list_item_t* itemM; + const tsdp_fmt_t* _fmt; + char* fmt_plus_space = tsk_null; + tsk_size_t fmt_plus_space_len; + if(!self || tsk_strnullORempty(fmt)) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + tsk_sprintf(&fmt_plus_space, "%s ", fmt); + if((fmt_plus_space_len = tsk_strlen(fmt_plus_space))) { + tsk_list_foreach(itemM, self->FMTs) { + if(!(_fmt = (const tsdp_fmt_t*)itemM->data)) { + continue; + } + if(tsk_striequals(_fmt->value, fmt)) { + // remove all A headers using this attribute + const tsdp_header_A_t* A; + const tsk_list_item_t* itemA; removeAttributes: - tsk_list_foreach(itemA, self->Attributes){ - if(!(A = (const tsdp_header_A_t*)itemA->data)){ - continue; - } - if(tsk_strindexOf(A->value, fmt_plus_space_len, fmt_plus_space) == 0){ - // Guard to be sure we know what to remove. For example: - // tsdp_header_M_remove_fmt(self, 0) would remove both - // a=rtpmap:0 PCMU/8000/1 - // a=crypto:0 AES_CM_128_HMAC_SHA1_32 inline:Gi8s25tDKDnd/xORJ/ZtRWWC1drVbax5Ve4ftCWd - // and cause issue 115: https://code.google.com/p/webrtc2sip/issues/detail?id=115 - if(!tsk_striequals(A->field, "crypto")){ - tsk_list_remove_item(self->Attributes, (tsk_list_item_t*)itemA); - goto removeAttributes; - } - } - } - tsk_list_remove_item(self->FMTs, (tsk_list_item_t*)itemM); - break; - } - } - } - TSK_FREE(fmt_plus_space); - return 0; + tsk_list_foreach(itemA, self->Attributes) { + if(!(A = (const tsdp_header_A_t*)itemA->data)) { + continue; + } + if(tsk_strindexOf(A->value, fmt_plus_space_len, fmt_plus_space) == 0) { + // Guard to be sure we know what to remove. For example: + // tsdp_header_M_remove_fmt(self, 0) would remove both + // a=rtpmap:0 PCMU/8000/1 + // a=crypto:0 AES_CM_128_HMAC_SHA1_32 inline:Gi8s25tDKDnd/xORJ/ZtRWWC1drVbax5Ve4ftCWd + // and cause issue 115: https://code.google.com/p/webrtc2sip/issues/detail?id=115 + if(!tsk_striequals(A->field, "crypto")) { + tsk_list_remove_item(self->Attributes, (tsk_list_item_t*)itemA); + goto removeAttributes; + } + } + } + tsk_list_remove_item(self->FMTs, (tsk_list_item_t*)itemM); + break; + } + } + } + TSK_FREE(fmt_plus_space); + return 0; } tsk_bool_t tsdp_header_M_have_fmt(const tsdp_header_M_t* self, const char* fmt) { - if(self && !tsk_strnullORempty(fmt)){ - const tsk_list_item_t* item; - const tsdp_fmt_t* _fmt; - tsk_list_foreach(item, self->FMTs){ - if(!(_fmt = (const tsdp_fmt_t*)item->data)){ - continue; - } - if(tsk_striequals(_fmt->value, fmt)){ - return tsk_true; - } - } - } - - return tsk_false; + if(self && !tsk_strnullORempty(fmt)) { + const tsk_list_item_t* item; + const tsdp_fmt_t* _fmt; + tsk_list_foreach(item, self->FMTs) { + if(!(_fmt = (const tsdp_fmt_t*)item->data)) { + continue; + } + if(tsk_striequals(_fmt->value, fmt)) { + return tsk_true; + } + } + } + + return tsk_false; } const tsdp_header_A_t* tsdp_header_M_findA_at(const tsdp_header_M_t* self, const char* field, tsk_size_t index) { - const tsk_list_item_t *item; - tsk_size_t pos = 0; - const tsdp_header_A_t* A; - - if(!self){ - TSK_DEBUG_ERROR("Invalid parameter"); - return tsk_null; - } - - tsk_list_foreach(item, self->Attributes){ - if(!(A = item->data)){ - continue; - } - - if(tsk_strequals(A->field, field)){ - if(pos++ >= index){ - return A; - } - } - } - - return tsk_null; + const tsk_list_item_t *item; + tsk_size_t pos = 0; + const tsdp_header_A_t* A; + + if(!self) { + TSK_DEBUG_ERROR("Invalid parameter"); + return tsk_null; + } + + tsk_list_foreach(item, self->Attributes) { + if(!(A = item->data)) { + continue; + } + + if(tsk_strequals(A->field, field)) { + if(pos++ >= index) { + return A; + } + } + } + + return tsk_null; } const tsdp_header_A_t* tsdp_header_M_findA(const tsdp_header_M_t* self, const char* field) { - return tsdp_header_M_findA_at(self, field, 0); + return tsdp_header_M_findA_at(self, field, 0); } char* tsdp_header_M_getAValue(const tsdp_header_M_t* self, const char* field, const char* fmt) { - char *value = tsk_null; /* e.g. AMR-WB/16000 */ - tsk_size_t i = 0, fmt_len, A_len; - int indexof; - const tsdp_header_A_t* A; - - fmt_len = tsk_strlen(fmt); - if(!self || !fmt_len || fmt_len > 3/*'0-255' or '*'*/){ - TSK_DEBUG_ERROR("Invalid parameter"); - return tsk_null; - } - - /* find "a=rtpmap" */ - while((A = tsdp_header_M_findA_at(self, field, i++))){ - /* A->value would be: "98 AMR-WB/16000" */ - if((A_len = tsk_strlen(A->value)) < (fmt_len + 1/*space*/)){ - continue; - } - if((indexof = tsk_strindexOf(A->value, A_len, fmt)) == 0 && (A->value[fmt_len] == ' ')){ - value = tsk_strndup(&A->value[fmt_len+1], (A_len-(fmt_len+1))); - break; - } - } - return value; + char *value = tsk_null; /* e.g. AMR-WB/16000 */ + tsk_size_t i = 0, fmt_len, A_len; + int indexof; + const tsdp_header_A_t* A; + + fmt_len = tsk_strlen(fmt); + if(!self || !fmt_len || fmt_len > 3/*'0-255' or '*'*/) { + TSK_DEBUG_ERROR("Invalid parameter"); + return tsk_null; + } + + /* find "a=rtpmap" */ + while((A = tsdp_header_M_findA_at(self, field, i++))) { + /* A->value would be: "98 AMR-WB/16000" */ + if((A_len = tsk_strlen(A->value)) < (fmt_len + 1/*space*/)) { + continue; + } + if((indexof = tsk_strindexOf(A->value, A_len, fmt)) == 0 && (A->value[fmt_len] == ' ')) { + value = tsk_strndup(&A->value[fmt_len+1], (A_len-(fmt_len+1))); + break; + } + } + return value; } /* as per 3GPP TS 34.610 */ int tsdp_header_M_hold(tsdp_header_M_t* self, tsk_bool_t local) { - const tsdp_header_A_t* a; - if(!self){ - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - if((a = tsdp_header_M_findA(self, local ? "recvonly" : "sendonly"))){ - // an "inactive" SDP attribute if the stream was previously set to "recvonly" media stream - tsk_strupdate(&(TSDP_HEADER_A(a)->field), local ? "inactive" : "recvonly"); - } - else if((a = tsdp_header_M_findA(self, "sendrecv"))){ - // a "sendonly" SDP attribute if the stream was previously set to "sendrecv" media stream - tsk_strupdate(&(TSDP_HEADER_A(a)->field), local ? "sendonly" : "recvonly"); - } - else{ - // default value is sendrecv. hold on default --> sendonly - if(!(a = tsdp_header_M_findA(self, local ? "sendonly" : "recvonly")) && !(a = tsdp_header_M_findA(self, "inactive"))){ - tsdp_header_A_t* newA; - if((newA = tsdp_header_A_create(local ? "sendonly" : "recvonly", tsk_null))){ - tsdp_header_M_add(self, TSDP_HEADER_CONST(newA)); - TSK_OBJECT_SAFE_FREE(newA); - } - } - } - return 0; + const tsdp_header_A_t* a; + if(!self) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if((a = tsdp_header_M_findA(self, local ? "recvonly" : "sendonly"))) { + // an "inactive" SDP attribute if the stream was previously set to "recvonly" media stream + tsk_strupdate(&(TSDP_HEADER_A(a)->field), local ? "inactive" : "recvonly"); + } + else if((a = tsdp_header_M_findA(self, "sendrecv"))) { + // a "sendonly" SDP attribute if the stream was previously set to "sendrecv" media stream + tsk_strupdate(&(TSDP_HEADER_A(a)->field), local ? "sendonly" : "recvonly"); + } + else { + // default value is sendrecv. hold on default --> sendonly + if(!(a = tsdp_header_M_findA(self, local ? "sendonly" : "recvonly")) && !(a = tsdp_header_M_findA(self, "inactive"))) { + tsdp_header_A_t* newA; + if((newA = tsdp_header_A_create(local ? "sendonly" : "recvonly", tsk_null))) { + tsdp_header_M_add(self, TSDP_HEADER_CONST(newA)); + TSK_OBJECT_SAFE_FREE(newA); + } + } + } + return 0; } /* as per 3GPP TS 34.610 */ int tsdp_header_M_set_holdresume_att(tsdp_header_M_t* self, tsk_bool_t lo_held, tsk_bool_t ro_held) { - const tsdp_header_A_t* A; - static const char* hold_resume_atts[2][2] = - { - {"sendrecv", "recvonly"}, - {"sendonly", "inactive"}, - }; - if(!self){ - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - if((A = tsdp_header_M_findA(self, "sendrecv")) || (A = tsdp_header_M_findA(self, "sendonly")) || (A = tsdp_header_M_findA(self, "recvonly")) || (A = tsdp_header_M_findA(self, "inactive"))){ - tsk_strupdate(&(TSDP_HEADER_A(A)->field), hold_resume_atts[lo_held & 1][ro_held & 1]); - } - else{ - tsdp_header_A_t* newA; - if((newA = tsdp_header_A_create(hold_resume_atts[lo_held & 1][ro_held & 1], tsk_null))){ - tsdp_header_M_add(self, TSDP_HEADER_CONST(newA)); - TSK_OBJECT_SAFE_FREE(newA); - } - } - - return 0; + const tsdp_header_A_t* A; + static const char* hold_resume_atts[2][2] = { + {"sendrecv", "recvonly"}, + {"sendonly", "inactive"}, + }; + if(!self) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if((A = tsdp_header_M_findA(self, "sendrecv")) || (A = tsdp_header_M_findA(self, "sendonly")) || (A = tsdp_header_M_findA(self, "recvonly")) || (A = tsdp_header_M_findA(self, "inactive"))) { + tsk_strupdate(&(TSDP_HEADER_A(A)->field), hold_resume_atts[lo_held & 1][ro_held & 1]); + } + else { + tsdp_header_A_t* newA; + if((newA = tsdp_header_A_create(hold_resume_atts[lo_held & 1][ro_held & 1], tsk_null))) { + tsdp_header_M_add(self, TSDP_HEADER_CONST(newA)); + TSK_OBJECT_SAFE_FREE(newA); + } + } + + return 0; } const char* tsdp_header_M_get_holdresume_att(const tsdp_header_M_t* self) { - static const char* hold_resume_atts[4] = {"sendrecv"/*first because most likely to be present*/, "recvonly", "sendonly", "inactive"}; - static tsk_size_t hold_resume_atts_count = sizeof(hold_resume_atts)/sizeof(hold_resume_atts[0]); - tsk_size_t i; - if(!self){ - TSK_DEBUG_ERROR("Invalid parameter"); - return hold_resume_atts[0]; - } - for(i = 0; i < hold_resume_atts_count; ++i){ - if(tsdp_header_M_findA(self, hold_resume_atts[i])){ - return hold_resume_atts[i]; - } - } - return hold_resume_atts[0]; + static const char* hold_resume_atts[4] = {"sendrecv"/*first because most likely to be present*/, "recvonly", "sendonly", "inactive"}; + static tsk_size_t hold_resume_atts_count = sizeof(hold_resume_atts)/sizeof(hold_resume_atts[0]); + tsk_size_t i; + if(!self) { + TSK_DEBUG_ERROR("Invalid parameter"); + return hold_resume_atts[0]; + } + for(i = 0; i < hold_resume_atts_count; ++i) { + if(tsdp_header_M_findA(self, hold_resume_atts[i])) { + return hold_resume_atts[i]; + } + } + return hold_resume_atts[0]; } tsk_bool_t tsdp_header_M_is_held(const tsdp_header_M_t* self, tsk_bool_t local) { - if(!self){ - TSK_DEBUG_ERROR("Invalid parameter"); - return tsk_false; - } - - /* both cases */ - if(tsdp_header_M_findA(self, "inactive")){ - return tsk_true; - } - - if(local){ - return tsdp_header_M_findA(self, "recvonly") ? tsk_true : tsk_false; - } - else{ - return tsdp_header_M_findA(self, "sendonly") ? tsk_true : tsk_false; - } + if(!self) { + TSK_DEBUG_ERROR("Invalid parameter"); + return tsk_false; + } + + /* both cases */ + if(tsdp_header_M_findA(self, "inactive")) { + return tsk_true; + } + + if(local) { + return tsdp_header_M_findA(self, "recvonly") ? tsk_true : tsk_false; + } + else { + return tsdp_header_M_findA(self, "sendonly") ? tsk_true : tsk_false; + } } /* as per 3GPP TS 34.610 */ int tsdp_header_M_resume(tsdp_header_M_t* self, tsk_bool_t local) { - const tsdp_header_A_t* a; - if (!self) { - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - if((a = tsdp_header_M_findA(self, "inactive"))){ - // a "recvonly" SDP attribute if the stream was previously an inactive media stream - tsk_strupdate(&(TSDP_HEADER_A(a)->field), local ? "recvonly" : "sendonly"); - } - else if((a = tsdp_header_M_findA(self, local ? "sendonly" : "recvonly"))){ - // a "sendrecv" SDP attribute if the stream was previously a sendonly media stream, or the attribute may be omitted, since sendrecv is the default - tsk_strupdate(&(TSDP_HEADER_A(a)->field), "sendrecv"); - } - return 0; + const tsdp_header_A_t* a; + if (!self) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if((a = tsdp_header_M_findA(self, "inactive"))) { + // a "recvonly" SDP attribute if the stream was previously an inactive media stream + tsk_strupdate(&(TSDP_HEADER_A(a)->field), local ? "recvonly" : "sendonly"); + } + else if((a = tsdp_header_M_findA(self, local ? "sendonly" : "recvonly"))) { + // a "sendrecv" SDP attribute if the stream was previously a sendonly media stream, or the attribute may be omitted, since sendrecv is the default + tsk_strupdate(&(TSDP_HEADER_A(a)->field), "sendrecv"); + } + return 0; } tsk_bool_t tsdp_header_M_is_ice_enabled(const tsdp_header_M_t* self) { - if (self) { - const tsdp_header_A_t *A; - tsk_bool_t have_ufrag = tsk_false, have_pwd = tsk_false, have_candidates = tsk_false; - - if ((A = tsdp_header_M_findA(self, "ice-ufrag"))) { - have_ufrag = tsk_true; - } - if ((A = tsdp_header_M_findA(self, "ice-pwd"))) { - have_pwd = tsk_true; - } - have_candidates = (tsdp_header_M_findA_at(self, "candidate", 0) != tsk_null); - return have_ufrag && have_pwd && have_candidates; - } - return tsk_false; + if (self) { + const tsdp_header_A_t *A; + tsk_bool_t have_ufrag = tsk_false, have_pwd = tsk_false, have_candidates = tsk_false; + + if ((A = tsdp_header_M_findA(self, "ice-ufrag"))) { + have_ufrag = tsk_true; + } + if ((A = tsdp_header_M_findA(self, "ice-pwd"))) { + have_pwd = tsk_true; + } + have_candidates = (tsdp_header_M_findA_at(self, "candidate", 0) != tsk_null); + return have_ufrag && have_pwd && have_candidates; + } + return tsk_false; } tsk_bool_t tsdp_header_M_is_ice_restart(const tsdp_header_M_t* self) { - // https://tools.ietf.org/html/rfc5245#section-9.1.1.1 - if (self) { - return (self->C && self->C->addr && tsk_striequals("0.0.0.0", self->C->addr)); - } - return tsk_false; + // https://tools.ietf.org/html/rfc5245#section-9.1.1.1 + if (self) { + return (self->C && self->C->addr && tsk_striequals("0.0.0.0", self->C->addr)); + } + return tsk_false; } int tsdp_header_M_diff(const tsdp_header_M_t* M_old, const tsdp_header_M_t* M_new, tsdp_header_M_diff_t* _diff) { - tsdp_header_M_diff_t diff = tsdp_header_M_diff_none; - const tsdp_header_A_t *A0, *A1; - int ret = 0; - tsk_size_t index; - if (!M_old || !_diff) { - TSK_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - if (!M_new || !tsk_striequals(M_new->media, M_old->media)) { - // media lines must be at the same index - // (M1 == null) means media lines are not at the same index or new one have been added/removed - diff |= tsdp_header_M_diff_index; - } - - // hold/resume - if (M_new && !tsk_striequals(tsdp_header_M_get_holdresume_att(M_old), tsdp_header_M_get_holdresume_att(M_new))) { - diff |= tsdp_header_M_diff_hold_resume; - } - - // dtls fingerprint - A0 = tsdp_header_M_findA_at(M_old, "fingerprint", 0); - A1 = M_new ? tsdp_header_M_findA_at(M_new, "fingerprint", 0) : tsk_null; - if (A0 && A1 && !tsk_striequals(A0->value, A1->value)) { - diff |= tsdp_header_M_diff_dtls_fingerprint; - } - - // sdes cryptos - index = 0; - do { - A0 = tsdp_header_M_findA_at(M_old, "crypto", index); - A1 = M_new ? tsdp_header_M_findA_at(M_new, "crypto", index) : tsk_null; + tsdp_header_M_diff_t diff = tsdp_header_M_diff_none; + const tsdp_header_A_t *A0, *A1; + int ret = 0; + tsk_size_t index; + if (!M_old || !_diff) { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if (!M_new || !tsk_striequals(M_new->media, M_old->media)) { + // media lines must be at the same index + // (M1 == null) means media lines are not at the same index or new one have been added/removed + diff |= tsdp_header_M_diff_index; + } + + // hold/resume + if (M_new && !tsk_striequals(tsdp_header_M_get_holdresume_att(M_old), tsdp_header_M_get_holdresume_att(M_new))) { + diff |= tsdp_header_M_diff_hold_resume; + } + + // dtls fingerprint + A0 = tsdp_header_M_findA_at(M_old, "fingerprint", 0); + A1 = M_new ? tsdp_header_M_findA_at(M_new, "fingerprint", 0) : tsk_null; + if (A0 && A1 && !tsk_striequals(A0->value, A1->value)) { + diff |= tsdp_header_M_diff_dtls_fingerprint; + } + + // sdes cryptos + index = 0; + do { + A0 = tsdp_header_M_findA_at(M_old, "crypto", index); + A1 = M_new ? tsdp_header_M_findA_at(M_new, "crypto", index) : tsk_null; if (A0 && A1) { if (!tsk_striequals(A0->value, A1->value)) { diff |= tsdp_header_M_diff_sdes_crypto; @@ -881,99 +881,99 @@ int tsdp_header_M_diff(const tsdp_header_M_t* M_old, const tsdp_header_M_t* M_ne else if (index == 0 && (A0 || A1)) { // (A1 && !AO) means "more" crypto lines, otherwise "less". In all cases if the first matched we're ok diff |= tsdp_header_M_diff_sdes_crypto; } - ++index; - } while ((A0 && A1) && ((diff & tsdp_header_M_diff_sdes_crypto) != tsdp_header_M_diff_sdes_crypto)); - - // media lines - if ((diff & tsdp_header_M_diff_index) != tsdp_header_M_diff_index) { - char* M0ProtoF = tsk_null; // old proto with "F" at the end, do nothing if we transit from AVP to AVPF because it means nego. succeeded - tsk_strcat_2(&M0ProtoF, "%sF", M_old->proto); - if ( - // (M1 == null) means media lines are not at the same index or new one have been added/removed - (!M_new) - // same media (e.g. audio) - || !tsk_striequals(M_new->media, M_old->media) - // same protos (e.g. SRTP) - || !(tsk_striequals(M_new->proto, M_old->proto) || tsk_striequals(M_new->proto, M0ProtoF))) - { - diff |= tsdp_header_M_diff_index; - } - TSK_FREE(M0ProtoF); - } - - // codecs - if (M_new && (diff & tsdp_header_M_diff_index) != tsdp_header_M_diff_index) { // make sure it's same media at same index - if (tsk_list_count_all(M_old->FMTs) == tsk_list_count_all(M_new->FMTs)) { - if ((diff & tsdp_header_M_diff_index) != tsdp_header_M_diff_index) { // make sure it's same media at same index - const tsk_list_item_t* codec_item0; - const tsdp_fmt_t* codec_fmt1; - tsk_size_t codec_index0 = 0; - tsk_list_foreach(codec_item0, M_old->FMTs) { - codec_fmt1 = (const tsdp_fmt_t*)tsk_list_find_object_by_pred_at_index(M_new->FMTs, tsk_null, tsk_null, codec_index0++); - if (!codec_fmt1 || !tsk_striequals(codec_fmt1->value, ((const tsdp_fmt_t*)codec_item0->data)->value)) { - diff |= tsdp_header_M_diff_codecs; - break; - } - } - } - } - else { - diff |= tsdp_header_M_diff_codecs; - } - } - - // network ports - if ((M_new ? M_new->port : 0) != (M_old->port)) { - diff |= tsdp_header_M_diff_network_info; - } - - if (M_new) { - if ((diff & tsdp_header_M_diff_network_info) != tsdp_header_M_diff_network_info) { - // Connection informations must be both "null" or "not-null" - if (!((M_old->C && M_new->C) || (!M_old->C && !M_new->C))) { - diff |= tsdp_header_M_diff_network_info; - } - else if (M_old->C) { - if (!tsk_strequals(M_new->C->addr, M_old->C->addr) || !tsk_strequals(M_new->C->nettype, M_old->C->nettype) || !tsk_strequals(M_new->C->addrtype, M_old->C->addrtype)) { - diff |= tsdp_header_M_diff_network_info; - } - } - } - } - - // media type - if (M_new) { - if (!tsk_striequals(M_new->media, M_old->media)) { - diff |= tsdp_header_M_diff_media_type; - } - else { - if (tsk_striequals(M_new->media, "audio") || tsk_striequals(M_new->media, "video")) { - const char *content0, *content1; - // check if it's BFCP audio/video session - // content attribute described in http://tools.ietf.org/html/rfc4796 - A0 = tsdp_header_M_findA(M_old, "content"); - A1 = tsdp_header_M_findA(M_new, "content"); - content0 = A0 ? A0->value : "main"; - content1 = A1 ? A1->value : "main"; - if (!tsk_striequals(content0, content1)) { - diff |= tsdp_header_M_diff_media_type; - } - } - } - } - - // ice - if (M_new) { - if (tsdp_header_M_is_ice_enabled(M_new)) { - diff |= tsdp_header_M_diff_ice_enabled; - } - if (tsdp_header_M_is_ice_restart(M_new)) { - diff |= tsdp_header_M_diff_ice_restart; - } - } - - *_diff = diff; - return ret; + ++index; + } + while ((A0 && A1) && ((diff & tsdp_header_M_diff_sdes_crypto) != tsdp_header_M_diff_sdes_crypto)); + + // media lines + if ((diff & tsdp_header_M_diff_index) != tsdp_header_M_diff_index) { + char* M0ProtoF = tsk_null; // old proto with "F" at the end, do nothing if we transit from AVP to AVPF because it means nego. succeeded + tsk_strcat_2(&M0ProtoF, "%sF", M_old->proto); + if ( + // (M1 == null) means media lines are not at the same index or new one have been added/removed + (!M_new) + // same media (e.g. audio) + || !tsk_striequals(M_new->media, M_old->media) + // same protos (e.g. SRTP) + || !(tsk_striequals(M_new->proto, M_old->proto) || tsk_striequals(M_new->proto, M0ProtoF))) { + diff |= tsdp_header_M_diff_index; + } + TSK_FREE(M0ProtoF); + } + + // codecs + if (M_new && (diff & tsdp_header_M_diff_index) != tsdp_header_M_diff_index) { // make sure it's same media at same index + if (tsk_list_count_all(M_old->FMTs) == tsk_list_count_all(M_new->FMTs)) { + if ((diff & tsdp_header_M_diff_index) != tsdp_header_M_diff_index) { // make sure it's same media at same index + const tsk_list_item_t* codec_item0; + const tsdp_fmt_t* codec_fmt1; + tsk_size_t codec_index0 = 0; + tsk_list_foreach(codec_item0, M_old->FMTs) { + codec_fmt1 = (const tsdp_fmt_t*)tsk_list_find_object_by_pred_at_index(M_new->FMTs, tsk_null, tsk_null, codec_index0++); + if (!codec_fmt1 || !tsk_striequals(codec_fmt1->value, ((const tsdp_fmt_t*)codec_item0->data)->value)) { + diff |= tsdp_header_M_diff_codecs; + break; + } + } + } + } + else { + diff |= tsdp_header_M_diff_codecs; + } + } + + // network ports + if ((M_new ? M_new->port : 0) != (M_old->port)) { + diff |= tsdp_header_M_diff_network_info; + } + + if (M_new) { + if ((diff & tsdp_header_M_diff_network_info) != tsdp_header_M_diff_network_info) { + // Connection informations must be both "null" or "not-null" + if (!((M_old->C && M_new->C) || (!M_old->C && !M_new->C))) { + diff |= tsdp_header_M_diff_network_info; + } + else if (M_old->C) { + if (!tsk_strequals(M_new->C->addr, M_old->C->addr) || !tsk_strequals(M_new->C->nettype, M_old->C->nettype) || !tsk_strequals(M_new->C->addrtype, M_old->C->addrtype)) { + diff |= tsdp_header_M_diff_network_info; + } + } + } + } + + // media type + if (M_new) { + if (!tsk_striequals(M_new->media, M_old->media)) { + diff |= tsdp_header_M_diff_media_type; + } + else { + if (tsk_striequals(M_new->media, "audio") || tsk_striequals(M_new->media, "video")) { + const char *content0, *content1; + // check if it's BFCP audio/video session + // content attribute described in http://tools.ietf.org/html/rfc4796 + A0 = tsdp_header_M_findA(M_old, "content"); + A1 = tsdp_header_M_findA(M_new, "content"); + content0 = A0 ? A0->value : "main"; + content1 = A1 ? A1->value : "main"; + if (!tsk_striequals(content0, content1)) { + diff |= tsdp_header_M_diff_media_type; + } + } + } + } + + // ice + if (M_new) { + if (tsdp_header_M_is_ice_enabled(M_new)) { + diff |= tsdp_header_M_diff_ice_enabled; + } + if (tsdp_header_M_is_ice_restart(M_new)) { + diff |= tsdp_header_M_diff_ice_restart; + } + } + + *_diff = diff; + return ret; } // @@ -1026,61 +1026,60 @@ int tsdp_header_M_diff(const tsdp_header_M_t* M_old, const tsdp_header_M_t* M_ne static tsk_object_t* tsdp_header_M_ctor(tsk_object_t *self, va_list * app) { - tsdp_header_M_t *M = self; - if(M){ - TSDP_HEADER(M)->type = tsdp_htype_M; - TSDP_HEADER(M)->tostring = tsdp_header_M_tostring; - TSDP_HEADER(M)->clone = tsdp_header_M_clone; - TSDP_HEADER(M)->rank = TSDP_HTYPE_M_RANK; - - M->FMTs = tsk_list_create(); // Because there is at least one fmt. - - M->media = tsk_strdup(va_arg(*app, const char*)); - M->port = va_arg(*app, uint32_t); - M->proto = tsk_strdup(va_arg(*app, const char*)); - } - else{ - TSK_DEBUG_ERROR("Failed to create new M header."); - } - return self; + tsdp_header_M_t *M = self; + if(M) { + TSDP_HEADER(M)->type = tsdp_htype_M; + TSDP_HEADER(M)->tostring = tsdp_header_M_tostring; + TSDP_HEADER(M)->clone = tsdp_header_M_clone; + TSDP_HEADER(M)->rank = TSDP_HTYPE_M_RANK; + + M->FMTs = tsk_list_create(); // Because there is at least one fmt. + + M->media = tsk_strdup(va_arg(*app, const char*)); + M->port = va_arg(*app, uint32_t); + M->proto = tsk_strdup(va_arg(*app, const char*)); + } + else { + TSK_DEBUG_ERROR("Failed to create new M header."); + } + return self; } static tsk_object_t* tsdp_header_M_dtor(tsk_object_t *self) { - tsdp_header_M_t *M = self; - if(M){ - TSK_FREE(M->media); - TSK_FREE(M->proto); - TSK_OBJECT_SAFE_FREE(M->FMTs); - - TSK_OBJECT_SAFE_FREE(M->I); - TSK_OBJECT_SAFE_FREE(M->C); - TSK_OBJECT_SAFE_FREE(M->Bandwidths); - TSK_OBJECT_SAFE_FREE(M->K); - TSK_OBJECT_SAFE_FREE(M->Attributes); - } - else{ - TSK_DEBUG_ERROR("Null M header."); - } - - return self; + tsdp_header_M_t *M = self; + if(M) { + TSK_FREE(M->media); + TSK_FREE(M->proto); + TSK_OBJECT_SAFE_FREE(M->FMTs); + + TSK_OBJECT_SAFE_FREE(M->I); + TSK_OBJECT_SAFE_FREE(M->C); + TSK_OBJECT_SAFE_FREE(M->Bandwidths); + TSK_OBJECT_SAFE_FREE(M->K); + TSK_OBJECT_SAFE_FREE(M->Attributes); + } + else { + TSK_DEBUG_ERROR("Null M header."); + } + + return self; } static int tsdp_header_M_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2) { - if(obj1 && obj2){ - return tsdp_header_rank_cmp(obj1, obj2); - } - else{ - return -1; - } + if(obj1 && obj2) { + return tsdp_header_rank_cmp(obj1, obj2); + } + else { + return -1; + } } -static const tsk_object_def_t tsdp_header_M_def_s = -{ - sizeof(tsdp_header_M_t), - tsdp_header_M_ctor, - tsdp_header_M_dtor, - tsdp_header_M_cmp +static const tsk_object_def_t tsdp_header_M_def_s = { + sizeof(tsdp_header_M_t), + tsdp_header_M_ctor, + tsdp_header_M_dtor, + tsdp_header_M_cmp }; const tsk_object_def_t *tsdp_header_M_def_t = &tsdp_header_M_def_s; |
