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-rwxr-xr-xtoxav/phone.c737
-rw-r--r--toxav/toxmedia.c (renamed from toxmsi/toxmedia.c)0
-rw-r--r--toxav/toxmedia.h (renamed from toxmsi/toxmedia.h)2
-rwxr-xr-xtoxav/toxmsi.c1337
-rwxr-xr-xtoxav/toxmsi.h231
-rwxr-xr-xtoxav/toxrtp.c878
-rwxr-xr-xtoxav/toxrtp.h211
-rw-r--r--toxcore/Makefile.inc2
-rwxr-xr-xtoxcore/event.c335
-rwxr-xr-xtoxcore/event.h51
-rw-r--r--toxmsi/Makefile.inc69
-rw-r--r--toxmsi/phone.c668
-rw-r--r--toxmsi/phone.h62
-rw-r--r--toxmsi/toxmsi.c835
-rw-r--r--toxmsi/toxmsi.h145
-rw-r--r--toxmsi/toxmsi_event.c214
-rw-r--r--toxmsi/toxmsi_event.h46
-rw-r--r--toxmsi/toxmsi_header.c181
-rw-r--r--toxmsi/toxmsi_header.h99
-rw-r--r--toxmsi/toxmsi_message.c267
-rw-r--r--toxmsi/toxmsi_message.h120
-rw-r--r--toxrtp/Makefile.inc34
-rw-r--r--toxrtp/tests/Makefile.inc1
-rw-r--r--toxrtp/tests/test_bidirect.c109
-rw-r--r--toxrtp/tests/test_headers.c316
-rw-r--r--toxrtp/tests/test_helper.c83
-rw-r--r--toxrtp/tests/test_helper.h61
-rw-r--r--toxrtp/toxrtp.c693
-rw-r--r--toxrtp/toxrtp.h188
-rw-r--r--toxrtp/toxrtp_error.c68
-rw-r--r--toxrtp/toxrtp_error.h25
-rw-r--r--toxrtp/toxrtp_error_id.h32
-rw-r--r--toxrtp/toxrtp_helper.c208
-rw-r--r--toxrtp/toxrtp_helper.h77
-rw-r--r--toxrtp/toxrtp_message.c351
-rw-r--r--toxrtp/toxrtp_message.h111
36 files changed, 3783 insertions, 5064 deletions
diff --git a/toxav/phone.c b/toxav/phone.c
new file mode 100755
index 00000000..b55a072c
--- /dev/null
+++ b/toxav/phone.c
@@ -0,0 +1,737 @@
1/** phone.c
2 *
3 * NOTE NOTE NOTE NOTE NOTE NOTE
4 *
5 * This file is for testing/reference purposes only, hence
6 * it is _poorly_ designed and it does not fully reflect the
7 * quaility of msi nor rtp. Although toxmsi* and toxrtp* are tested
8 * there is always possiblity of crashes. If crash occures,
9 * contact me ( mannol ) on either irc channel #tox-dev @ freenode.net:6667
10 * or eniz_vukovic@hotmail.com
11 *
12 * NOTE NOTE NOTE NOTE NOTE NOTE
13 *
14 * Copyright (C) 2013 Tox project All Rights Reserved.
15 *
16 * This file is part of Tox.
17 *
18 * Tox is free software: you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation, either version 3 of the License, or
21 * (at your option) any later version.
22 *
23 * Tox is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
30 *
31 */
32
33#ifdef HAVE_CONFIG_H
34#include "config.h"
35#endif /* HAVE_CONFIG_H */
36
37#define _BSD_SOURCE
38#define _GNU_SOURCE
39
40#include <stdio.h>
41#include <string.h>
42#include <stdlib.h>
43
44#include "toxmsi.h"
45#include "toxrtp.h"
46#include <stdarg.h>
47#include <unistd.h>
48#include <assert.h>
49
50#include "../toxcore/network.h"
51#include "../toxcore/event.h"
52#include "../toxcore/tox.h"
53
54/* Define client version */
55#define _USERAGENT "v.0.3.0"
56
57
58typedef struct av_friend_s {
59 int _id;
60 int _active; /* 0=false; 1=true; */
61} av_friend_t;
62
63typedef struct av_session_s {
64 MSISession* _msi;
65
66 RTPSession* _rtp_audio;
67 RTPSession* _rtp_video;
68
69 pthread_mutex_t _mutex;
70
71 Tox* _messenger;
72 av_friend_t* _friends;
73 int _friend_cout;
74 uint8_t _my_public_id[200];
75} av_session_t;
76
77
78void av_allocate_friend(av_session_t* _phone, int _id, int _active)
79{
80 static int _new_id = 0;
81
82 if ( !_phone->_friends ) {
83 _phone->_friends = calloc(sizeof(av_friend_t), 1);
84 _phone->_friend_cout = 1;
85 } else{
86 _phone->_friend_cout ++;
87 _phone->_friends = realloc(_phone->_friends, sizeof(av_friend_t) * _phone->_friend_cout);
88 }
89
90 if ( _id = -1 ) {
91 _phone->_friends->_id = _new_id;
92 _new_id ++;
93 } else _phone->_friends->_id = _id;
94
95 _phone->_friends->_active = _active;
96}
97av_friend_t* av_get_friend(av_session_t* _phone, int _id)
98{
99 av_friend_t* _friends = _phone->_friends;
100
101 if ( !_friends ) return NULL;
102
103 int _it = 0;
104 for (; _it < _phone->_friend_cout; _it ++)
105 if ( _friends[_it]._id == _id )
106 return _friends + _it;
107
108 return NULL;
109}
110
111
112/***************** MISC *****************/
113
114void INFO (const char* _format, ...)
115{
116 printf("\r[!] ");
117 va_list _arg;
118 va_start (_arg, _format);
119 vfprintf (stdout, _format, _arg);
120 va_end (_arg);
121 printf("\n\r >> ");
122 fflush(stdout);
123}
124
125unsigned char *hex_string_to_bin(char hex_string[])
126{
127 size_t i, len = strlen(hex_string);
128 unsigned char *val = calloc(sizeof(char), len);
129 char *pos = hex_string;
130
131 for (i = 0; i < len; ++i, pos += 2)
132 sscanf(pos, "%2hhx", &val[i]);
133
134 return val;
135}
136
137int getinput( char* _buff, size_t _limit, int* _len )
138{
139 if ( fgets(_buff, _limit, stdin) == NULL )
140 return -1;
141
142 *_len = strlen(_buff) - 1;
143
144 /* Get rid of newline */
145 _buff[*_len] = '\0';
146
147 return 0;
148}
149
150char* trim_spaces ( char* buff )
151{
152
153 int _i = 0, _len = strlen(buff);
154
155 char* container = calloc(sizeof(char), _len);
156 int _ci = 0;
157
158 for ( ; _i < _len; _i++ ) {
159 while ( _i < _len && buff[_i] == ' ' )
160 _i++;
161
162 if ( _i < _len ){
163 container[_ci] = buff[_i];
164 _ci ++;
165 }
166 }
167
168 memcpy( buff, container, _ci );
169 buff[_ci] = '\0';
170 free(container);
171 return buff;
172}
173
174#define FRADDR_TOSTR_CHUNK_LEN 8
175
176static void fraddr_to_str(uint8_t *id_bin, char *id_str)
177{
178 uint i, delta = 0, pos_extra, sum_extra = 0;
179
180 for (i = 0; i < TOX_FRIEND_ADDRESS_SIZE; i++) {
181 sprintf(&id_str[2 * i + delta], "%02hhX", id_bin[i]);
182
183 if ((i + 1) == TOX_CLIENT_ID_SIZE)
184 pos_extra = 2 * (i + 1) + delta;
185
186 if (i >= TOX_CLIENT_ID_SIZE)
187 sum_extra |= id_bin[i];
188
189 if (!((i + 1) % FRADDR_TOSTR_CHUNK_LEN)) {
190 id_str[2 * (i + 1) + delta] = ' ';
191 delta++;
192 }
193 }
194
195 id_str[2 * i + delta] = 0;
196
197 if (!sum_extra)
198 id_str[pos_extra] = 0;
199}
200
201void* phone_handle_media_transport_poll ( void* _hmtc_args_p )
202{
203 RTPMessage* _audio_msg, * _video_msg;
204 av_session_t* _phone = _hmtc_args_p;
205 MSISession* _session = _phone->_msi;
206
207 RTPSession* _rtp_audio = _phone->_rtp_audio;
208 RTPSession* _rtp_video = _phone->_rtp_video;
209
210
211 Tox* _messenger = _phone->_messenger;
212
213
214 while ( _session->call ) {
215
216 _audio_msg = rtp_recv_msg ( _rtp_audio );
217 _video_msg = rtp_recv_msg ( _rtp_video );
218
219 if ( _audio_msg ) {
220 /* Do whatever with msg
221 printf("%d - %s\n", _audio_msg->header->sequnum, _audio_msg->data);*/
222 rtp_free_msg ( _rtp_audio, _audio_msg );
223 }
224
225 if ( _video_msg ) {
226 /* Do whatever with msg
227 p rintf("%d - %s\n", _video_msg->header->sequnum, _video_msg->data);*/
228 rtp_free_msg ( _rtp_video, _video_msg );
229 }
230
231 /*
232 * Send test message to the 'remote'
233 */
234 rtp_send_msg ( _rtp_audio, _messenger, (const uint8_t*)"audio\0", 6 );
235
236 if ( _session->call->type_local == type_video ){ /* if local call send video */
237 rtp_send_msg ( _rtp_video, _messenger, (const uint8_t*)"video\0", 6 );
238 }
239
240 _audio_msg = _video_msg = NULL;
241
242
243 /* Send ~1k messages per second
244 * That _should_ be enough for both Audio and Video
245 */
246 usleep ( 1000 );
247 /* -------------------- */
248 }
249
250 if ( _audio_msg ) rtp_free_msg(_rtp_audio, _audio_msg);
251 rtp_release_session_recv(_rtp_audio);
252 rtp_terminate_session(_rtp_audio, _messenger);
253
254 if ( _video_msg ) rtp_free_msg(_rtp_video, _video_msg);
255 rtp_release_session_recv(_rtp_video);
256 rtp_terminate_session(_rtp_video, _messenger);
257
258 INFO("Media thread finished!");
259
260 pthread_exit ( NULL );
261}
262
263int phone_startmedia_loop ( av_session_t* _phone )
264{
265 if ( !_phone ){
266 return -1;
267 }
268
269 _phone->_rtp_audio = rtp_init_session (
270 type_audio,
271 _phone->_messenger,
272 _phone->_msi->call->peers[0],
273 _phone->_msi->call->key_peer,
274 _phone->_msi->call->key_local,
275 _phone->_msi->call->nonce_peer,
276 _phone->_msi->call->nonce_local
277 );
278
279 _phone->_rtp_audio = rtp_init_session (
280 type_video,
281 _phone->_messenger,
282 _phone->_msi->call->peers[0],
283 _phone->_msi->call->key_peer,
284 _phone->_msi->call->key_local,
285 _phone->_msi->call->nonce_peer,
286 _phone->_msi->call->nonce_local
287 );
288
289
290 if ( 0 > event.rise(phone_handle_media_transport_poll, _phone) )
291 {
292 printf("Error while starting phone_handle_media_transport_poll()\n");
293 return -1;
294 }
295 else return 0;
296}
297
298
299/* Some example callbacks */
300
301void* callback_recv_invite ( void* _arg )
302{
303 const char* _call_type;
304
305 MSISession* _msi = _arg;
306
307 switch ( _msi->call->type_peer[_msi->call->peer_count - 1] ){
308 case type_audio:
309 _call_type = "audio";
310 break;
311 case type_video:
312 _call_type = "video";
313 break;
314 }
315
316 INFO( "Incoming %s call!", _call_type );
317
318}
319void* callback_recv_ringing ( void* _arg )
320{
321 INFO ( "Ringing!" );
322}
323void* callback_recv_starting ( void* _arg )
324{
325 MSISession* _session = _arg;
326 if ( 0 != phone_startmedia_loop(_session->agent_handler) ){
327 INFO("Starting call failed!");
328 } else {
329 INFO ("Call started! ( press h to hangup )");
330 }
331}
332void* callback_recv_ending ( void* _arg )
333{
334 INFO ( "Call ended!" );
335}
336
337void* callback_recv_error ( void* _arg )
338{
339 MSISession* _session = _arg;
340
341 INFO( "Error: %s", _session->last_error_str );
342}
343
344void* callback_call_started ( void* _arg )
345{
346 MSISession* _session = _arg;
347 if ( 0 != phone_startmedia_loop(_session->agent_handler) ){
348 INFO("Starting call failed!");
349 } else {
350 INFO ("Call started! ( press h to hangup )");
351 }
352
353}
354void* callback_call_canceled ( void* _arg )
355{
356 INFO ( "Call canceled!" );
357}
358void* callback_call_rejected ( void* _arg )
359{
360 INFO ( "Call rejected!" );
361}
362void* callback_call_ended ( void* _arg )
363{
364 INFO ( "Call ended!" );
365}
366
367void* callback_requ_timeout ( void* _arg )
368{
369 INFO( "No answer! " );
370}
371
372int av_connect_to_dht(av_session_t* _phone, char* _dht_key, const char* _dht_addr, unsigned short _dht_port)
373{
374 unsigned char *_binary_string = hex_string_to_bin(_dht_key);
375
376 uint16_t _port = htons(_dht_port);
377
378 int _if = tox_bootstrap_from_address(_phone->_messenger, _dht_addr, 1, _port, _binary_string );
379
380 free(_binary_string);
381
382 return _if ? 0 : -1;
383}
384
385av_session_t* av_init_session()
386{
387 av_session_t* _retu = malloc(sizeof(av_session_t));
388
389 /* Initialize our mutex */
390 pthread_mutex_init ( &_retu->_mutex, NULL );
391
392 _retu->_messenger = tox_new(1);
393
394 if ( !_retu->_messenger ) {
395 fprintf ( stderr, "tox_new() failed!\n" );
396 return NULL;
397 }
398
399 _retu->_friends = NULL;
400
401 _retu->_rtp_audio = NULL;
402 _retu->_rtp_video = NULL;
403
404 uint8_t _byte_address[TOX_FRIEND_ADDRESS_SIZE];
405 tox_get_address(_retu->_messenger, _byte_address );
406 fraddr_to_str( _byte_address, _retu->_my_public_id );
407
408
409 /* Initialize msi */
410 _retu->_msi = msi_init_session ( _retu->_messenger, _USERAGENT );
411
412 if ( !_retu->_msi ) {
413 fprintf ( stderr, "msi_init_session() failed\n" );
414 return NULL;
415 }
416
417 _retu->_msi->agent_handler = _retu;
418
419 /* ------------------ */
420 msi_register_callback(callback_call_started, cb_onstart);
421 msi_register_callback(callback_call_canceled, cb_oncancel);
422 msi_register_callback(callback_call_rejected, cb_onreject);
423 msi_register_callback(callback_call_ended, cb_onend);
424 msi_register_callback(callback_recv_invite, cb_oninvite);
425
426 msi_register_callback(callback_recv_ringing, cb_ringing);
427 msi_register_callback(callback_recv_starting, cb_starting);
428 msi_register_callback(callback_recv_ending, cb_ending);
429
430 msi_register_callback(callback_recv_error, cb_error);
431 msi_register_callback(callback_requ_timeout, cb_timeout);
432 /* ------------------ */
433
434 return _retu;
435}
436
437int av_terminate_session(av_session_t* _phone)
438{
439 if ( _phone->_msi->call ){
440 msi_hangup(_phone->_msi); /* Hangup the phone first */
441 }
442
443 free(_phone->_friends);
444 msi_terminate_session(_phone->_msi);
445 pthread_mutex_destroy ( &_phone->_mutex );
446
447 Tox* _p = _phone->_messenger;
448 _phone->_messenger = NULL; usleep(100000); /* Wait for tox_pool to end */
449 tox_kill(_p);
450
451 printf("\r[i] Quit!\n");
452 return 0;
453}
454
455/****** AV HELPER FUNCTIONS ******/
456
457/* Auto accept friend request */
458void av_friend_requ(uint8_t *_public_key, uint8_t *_data, uint16_t _length, void *_userdata)
459{
460 av_session_t* _phone = _userdata;
461 av_allocate_friend (_phone, -1, 0);
462
463 INFO("Got friend request with message: %s", _data);
464
465 tox_add_friend_norequest(_phone->_messenger, _public_key);
466
467 INFO("Auto-accepted! Friend id: %d", _phone->_friends->_id );
468}
469
470void av_friend_active(Tox *_messenger, int _friendnumber, uint8_t *_string, uint16_t _length, void *_userdata)
471{
472 av_session_t* _phone = _userdata;
473 INFO("Friend no. %d is online", _friendnumber);
474
475 av_friend_t* _this_friend = av_get_friend(_phone, _friendnumber);
476
477 if ( !_this_friend ) {
478 INFO("But it's not registered!");
479 return;
480 }
481
482 (*_this_friend)._active = 1;
483}
484
485int av_add_friend(av_session_t* _phone, char* _friend_hash)
486{
487 trim_spaces(_friend_hash);
488
489 unsigned char *_bin_string = hex_string_to_bin(_friend_hash);
490 int _number = tox_add_friend(_phone->_messenger, _bin_string, (uint8_t *)"Tox phone "_USERAGENT, sizeof("Tox phone "_USERAGENT));
491 free(_bin_string);
492
493 if ( _number >= 0) {
494 INFO("Added friend as %d", _number );
495 av_allocate_friend(_phone, _number, 0);
496 }
497 else
498 INFO("Unknown error %i", _number );
499
500 return _number;
501}
502/*********************************/
503
504void do_phone ( av_session_t* _phone )
505{
506 INFO("Welcome to tox_phone version: " _USERAGENT "\n"
507 "Usage: \n"
508 "f [pubkey] (add friend)\n"
509 "c [a/v] (type) [friend] (friend id) (calls friend if online)\n"
510 "h (if call is active hang up)\n"
511 "a [a/v] (answer incoming call: a - audio / v - audio + video (audio is default))\n"
512 "r (reject incoming call)\n"
513 "q (quit)\n"
514 "================================================================================"
515 );
516
517 while ( 1 )
518 {
519 char _line [ 1500 ];
520 int _len;
521
522 if ( -1 == getinput(_line, 1500, &_len) ){
523 printf(" >> ");
524 fflush(stdout);
525 continue;
526 }
527
528 if ( _len > 1 && _line[1] != ' ' && _line[1] != '\n' ){
529 INFO("Invalid input!");
530 continue;
531 }
532
533 switch (_line[0]){
534
535 case 'f':
536 {
537 char _id [128];
538 strncpy(_id, _line + 2, 128);
539
540 av_add_friend(_phone, _id);
541
542 } break;
543 case 'c':
544 {
545 if ( _phone->_msi->call ){
546 INFO("Already in a call");
547 break;
548 }
549
550 MSICallType _ctype;
551
552 if ( _len < 5 ){
553 INFO("Invalid input; usage: c a/v [friend]");
554 break;
555 }
556 else if ( _line[2] == 'a' || _line[2] != 'v' ){ /* default and audio */
557 _ctype = type_audio;
558 }
559 else { /* video */
560 _ctype = type_video;
561 }
562
563 char* _end;
564 int _friend = strtol(_line + 4, &_end, 10);
565
566 if ( *_end ){
567 INFO("Friend num has to be numerical value");
568 break;
569 }
570
571 /* Set timeout */
572 msi_invite ( _phone->_msi, _ctype, 10 * 1000, _friend );
573 INFO("Calling friend: %d!", _friend);
574
575 } break;
576 case 'h':
577 {
578 if ( !_phone->_msi->call ){
579 INFO("No call!");
580 break;
581 }
582
583 msi_hangup(_phone->_msi);
584
585 INFO("Hung up...");
586
587 } break;
588 case 'a':
589 {
590
591 if ( _phone->_msi->call && _phone->_msi->call->state != call_starting ) {
592 break;
593 }
594
595 if ( _len > 1 && _line[2] == 'v' )
596 msi_answer(_phone->_msi, type_video);
597 else
598 msi_answer(_phone->_msi, type_audio);
599
600 } break;
601 case 'r':
602 {
603 if ( _phone->_msi->call && _phone->_msi->call->state != call_starting ){
604 break;
605 }
606
607 msi_reject(_phone->_msi);
608
609 INFO("Call Rejected...");
610
611 } break;
612 case 'q':
613 {
614 INFO("Quitting!");
615 return;
616 }
617 default:
618 {
619 INFO("Invalid command!");
620 } break;
621
622 }
623
624 }
625}
626
627void* tox_poll (void* _messenger_p)
628{
629 Tox** _messenger = _messenger_p;
630 while( *_messenger ) {
631 tox_do(*_messenger);
632 usleep(10000);
633 }
634
635 pthread_exit(NULL);
636}
637
638int av_wait_dht(av_session_t* _phone, int _wait_seconds, const char* _ip, char* _key, unsigned short _port)
639{
640 if ( !_wait_seconds )
641 return -1;
642
643 int _waited = 0;
644
645 while( !tox_isconnected(_phone->_messenger) ) {
646
647 if ( -1 == av_connect_to_dht(_phone, _key, _ip, _port) )
648 {
649 INFO("Could not connect to: %s", _ip);
650 av_terminate_session(_phone);
651 return -1;
652 }
653
654 if ( _waited >= _wait_seconds ) return 0;
655
656 printf(".");
657 fflush(stdout);
658
659 _waited ++;
660 usleep(1000000);
661 }
662
663 int _r = _wait_seconds - _waited;
664 return _r ? _r : 1;
665}
666/* ---------------------- */
667
668int print_help ( const char* _name )
669{
670 printf ( "Usage: %s [IP] [PORT] [KEY]\n"
671 "\t[IP] (DHT ip)\n"
672 "\t[PORT] (DHT port)\n"
673 "\t[KEY] (DHT public key)\n"
674 "P.S. Friends and key are stored in ./tox_phone.conf\n"
675 ,_name );
676 return 1;
677}
678
679int main ( int argc, char* argv [] )
680{
681 if ( argc < 1 || argc < 4 )
682 return print_help(argv[0]);
683
684 char* _convertable;
685
686 int _wait_seconds = 5;
687
688 const char* _ip = argv[1];
689 char* _key = argv[3];
690 unsigned short _port = strtol(argv[2], &_convertable, 10);
691
692 if ( *_convertable ){
693 printf("Invalid port: cannot convert string to long: %s", _convertable);
694 return 1;
695 }
696
697 av_session_t* _phone = av_init_session();
698
699 tox_callback_friend_request(_phone->_messenger, av_friend_requ, _phone);
700 tox_callback_status_message(_phone->_messenger, av_friend_active, _phone);
701
702 system("clear");
703
704 INFO("\r================================================================================\n"
705 "[!] Trying dht@%s:%d"
706 , _ip, _port);
707
708 /* Start tox protocol */
709 event.rise( tox_poll, &_phone->_messenger );
710
711 /* Just clean one line */
712 printf("\r \r");
713 fflush(stdout);
714
715 int _r;
716 for ( _r = 0; _r == 0; _r = av_wait_dht(_phone, _wait_seconds, _ip, _key, _port) ) _wait_seconds --;
717
718
719 if ( -1 == _r ) {
720 INFO("Error while connecting to dht: %s:%d", _ip, _port);
721 av_terminate_session(_phone);
722 return 1;
723 }
724
725 INFO("CONNECTED!\n"
726 "================================================================================\n"
727 "%s\n"
728 "================================================================================"
729 , _phone->_my_public_id );
730
731
732 do_phone (_phone);
733
734 av_terminate_session(_phone);
735
736 return 0;
737}
diff --git a/toxmsi/toxmedia.c b/toxav/toxmedia.c
index 4c9f5261..4c9f5261 100644
--- a/toxmsi/toxmedia.c
+++ b/toxav/toxmedia.c
diff --git a/toxmsi/toxmedia.h b/toxav/toxmedia.h
index 8734b173..7eea39ae 100644
--- a/toxmsi/toxmedia.h
+++ b/toxav/toxmedia.h
@@ -70,7 +70,7 @@
70#define DEFAULT_WEBCAM "/dev/video0" 70#define DEFAULT_WEBCAM "/dev/video0"
71#endif 71#endif
72 72
73#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32) 73#ifdef WIN32
74#define VIDEO_DRIVER "vfwcap" 74#define VIDEO_DRIVER "vfwcap"
75#define DEFAULT_WEBCAM "0" 75#define DEFAULT_WEBCAM "0"
76#endif 76#endif
diff --git a/toxav/toxmsi.c b/toxav/toxmsi.c
new file mode 100755
index 00000000..cf0914ab
--- /dev/null
+++ b/toxav/toxmsi.c
@@ -0,0 +1,1337 @@
1/** toxmsi.c
2 *
3 * Copyright (C) 2013 Tox project All Rights Reserved.
4 *
5 * This file is part of Tox.
6 *
7 * Tox is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Tox is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
19 *
20 *
21 * Report bugs/suggestions to me ( mannol ) at either #tox-dev @ freenode.net:6667 or
22 * my email: eniz_vukovic@hotmail.com
23 */
24
25
26#ifdef HAVE_CONFIG_H
27#include "config.h"
28#endif /* HAVE_CONFIG_H */
29
30#define _BSD_SOURCE
31
32#include "toxmsi.h"
33#include "../toxcore/util.h"
34#include "../toxcore/network.h"
35#include "../toxcore/event.h"
36#include "../toxcore/Messenger.h"
37
38#include <assert.h>
39#include <unistd.h>
40#include <string.h>
41#include <stdlib.h>
42
43#define same(x, y) strcmp((const char*) x, (const char*) y) == 0
44
45#define MSI_MAXMSG_SIZE 1024
46
47#define TYPE_REQUEST 1
48#define TYPE_RESPONSE 2
49
50#define VERSION_STRING "0.3.1"
51#define VERSION_STRLEN 5
52
53#define CT_AUDIO_HEADER_VALUE "AUDIO"
54#define CT_VIDEO_HEADER_VALUE "VIDEO"
55
56
57/* Define default timeout for a request.
58 * There is no behavior specified by the msi on what will
59 * client do on timeout, but to call timeout callback.
60 */
61#define m_deftout 10000 /* in milliseconds */
62
63/**
64 * Protocol:
65 *
66 * | desc. ( 1 byte ) | length ( 2 bytes ) | value ( length bytes ) |
67 *
68 * ie.
69 *
70 * | 0x1 | 0x0 0x7 | "version"
71 *
72 * Means: it's field value with length of 7 bytes and value of "version"
73 * It's similar to amp protocol
74 */
75
76
77#define GENERIC_HEADER(header) \
78typedef struct _MSIHeader##header { \
79uint8_t* header_value; \
80uint16_t size; \
81} MSIHeader##header;
82
83
84GENERIC_HEADER ( Version )
85GENERIC_HEADER ( Request )
86GENERIC_HEADER ( Response )
87GENERIC_HEADER ( CallType )
88GENERIC_HEADER ( UserAgent )
89GENERIC_HEADER ( CallId )
90GENERIC_HEADER ( Info )
91GENERIC_HEADER ( Reason )
92GENERIC_HEADER ( CryptoKey )
93GENERIC_HEADER ( Nonce )
94
95
96/**
97 * @brief This is the message structure. It contains all of the headers and
98 * destination/source of the message stored in friend_id.
99 *
100 */
101typedef struct _MSIMessage {
102
103 MSIHeaderVersion version;
104 MSIHeaderRequest request;
105 MSIHeaderResponse response;
106 MSIHeaderCallType calltype;
107 MSIHeaderUserAgent useragent;
108 MSIHeaderInfo info;
109 MSIHeaderReason reason;
110 MSIHeaderCallId callid;
111 MSIHeaderCryptoKey cryptokey;
112 MSIHeaderNonce nonce;
113
114 struct _MSIMessage* next;
115
116 int friend_id;
117
118} MSIMessage;
119
120
121
122static MSICallback callbacks[9] = {0};
123
124
125/* define strings for the identifiers */
126#define VERSION_FIELD "Version"
127#define REQUEST_FIELD "Request"
128#define RESPONSE_FIELD "Response"
129#define INFO_FIELD "INFO"
130#define REASON_FIELD "Reason"
131#define CALLTYPE_FIELD "Call-type"
132#define USERAGENT_FIELD "User-agent"
133#define CALLID_FIELD "Call-id"
134#define CRYPTOKEY_FIELD "Crypto-key"
135#define NONCE_FIELD "Nonce"
136
137/* protocol descriptors */
138#define end_byte 0x0
139#define field_byte 0x1
140#define value_byte 0x2
141
142
143typedef enum {
144 invite,
145 start,
146 cancel,
147 reject,
148 end,
149
150} MSIRequest;
151
152
153/**
154 * @brief Get string value for request.
155 *
156 * @param request The request.
157 * @return const uint8_t* The string
158 */
159static inline const uint8_t *stringify_request ( MSIRequest request ) {
160 static const uint8_t* strings[] = {
161 ( uint8_t* ) "INVITE",
162 ( uint8_t* ) "START",
163 ( uint8_t* ) "CANCEL",
164 ( uint8_t* ) "REJECT",
165 ( uint8_t* ) "END"
166 };
167
168 return strings[request];
169}
170
171
172typedef enum {
173 ringing,
174 starting,
175 ending,
176 error
177
178} MSIResponse;
179
180
181/**
182 * @brief Get string value for response.
183 *
184 * @param response The response.
185 * @return const uint8_t* The string
186 */
187static inline const uint8_t *stringify_response ( MSIResponse response ) {
188 static const uint8_t* strings[] = {
189 ( uint8_t* ) "ringing",
190 ( uint8_t* ) "starting",
191 ( uint8_t* ) "ending",
192 ( uint8_t* ) "error"
193 };
194
195 return strings[response];
196}
197
198
199#define ON_HEADER(iterator, header, descriptor, size_const) \
200( memcmp(iterator, descriptor, size_const) == 0){ /* Okay */ \
201 iterator += size_const; /* Set iterator at begining of value part */ \
202 if ( *iterator != value_byte ) { assert(0); return -1; }\
203 iterator ++;\
204 uint16_t _value_size = (uint16_t) *(iterator ) << 8 | \
205 (uint16_t) *(iterator + 1); \
206 header.header_value = calloc(sizeof(uint8_t), _value_size); \
207 header.size = _value_size; \
208 memcpy(header.header_value, iterator + 2, _value_size);\
209 iterator = iterator + 2 + _value_size; /* set iterator at new header or end_byte */ \
210}
211
212/**
213 * @brief Parse raw 'data' received from socket into MSIMessage struct.
214 * Every message has to have end value of 'end_byte' or _undefined_ behavior
215 * occures. The best practice is to check the end of the message at the handle_packet.
216 *
217 * @param msg Container.
218 * @param data The data.
219 * @return int
220 * @retval -1 Error occured.
221 * @retval 0 Success.
222 */
223int parse_raw_data ( MSIMessage* msg, const uint8_t* data ) {
224 assert ( msg );
225
226 const uint8_t* _it = data;
227
228 while ( *_it ) {/* until end_byte is hit */
229
230 if ( *_it == field_byte ) {
231 uint16_t _size = ( uint16_t ) * ( _it + 1 ) << 8 |
232 ( uint16_t ) * ( _it + 2 );
233
234 _it += 3; /*place it at the field value beginning*/
235
236 switch ( _size ) { /* Compare the size of the hardcoded values ( vary fast and convenient ) */
237
238 case 4: { /* INFO header */
239 if ON_HEADER ( _it, msg->info, INFO_FIELD, 4 )
240 }
241 break;
242
243 case 5: { /* NONCE header */
244 if ON_HEADER ( _it, msg->nonce, NONCE_FIELD, 5 )
245 }
246 break;
247
248 case 6: { /* Reason header */
249 if ON_HEADER ( _it, msg->reason, REASON_FIELD, 6 )
250 }
251 break;
252
253 case 7: { /* Version, Request, Call-id headers */
254 if ON_HEADER ( _it, msg->version, VERSION_FIELD, 7 )
255 else if ON_HEADER ( _it, msg->request, REQUEST_FIELD, 7 )
256 else if ON_HEADER ( _it, msg->callid, CALLID_FIELD, 7 )
257 }
258 break;
259
260 case 8: { /* Response header */
261 if ON_HEADER ( _it, msg->response, RESPONSE_FIELD, 8 )
262 }
263 break;
264
265 case 9: { /* Call-type header */
266 if ON_HEADER ( _it, msg->calltype, CALLTYPE_FIELD, 9 )
267 }
268 break;
269
270 case 10: { /* User-agent, Crypto-key headers */
271 if ON_HEADER ( _it, msg->useragent, USERAGENT_FIELD, 10 )
272 else if ON_HEADER ( _it, msg->cryptokey, CRYPTOKEY_FIELD, 10 )
273 }
274 break;
275
276 default:
277 return -1;
278 }
279 } else return -1;
280 /* If it's anything else return failure as the message is invalid */
281
282 }
283
284 return 0;
285}
286
287
288#define ALLOCATE_HEADER( var, mheader_value, t_size) \
289var.header_value = calloc(sizeof *mheader_value, t_size); \
290memcpy(var.header_value, mheader_value, t_size); \
291var.size = t_size;
292
293
294/**
295 * @brief Speaks for it self.
296 *
297 * @param msg The message.
298 * @return void
299 */
300void free_message ( MSIMessage* msg ) {
301 assert ( msg );
302
303 free ( msg->calltype.header_value );
304 free ( msg->request.header_value );
305 free ( msg->response.header_value );
306 free ( msg->useragent.header_value );
307 free ( msg->version.header_value );
308 free ( msg->info.header_value );
309 free ( msg->cryptokey.header_value );
310 free ( msg->nonce.header_value );
311 free ( msg->reason.header_value );
312 free ( msg->callid.header_value );
313
314 free ( msg );
315}
316
317
318/**
319 * @brief Create the message.
320 *
321 * @param type Request or response.
322 * @param type_id Type of request/response.
323 * @return MSIMessage* Created message.
324 * @retval NULL Error occured.
325 */
326MSIMessage* msi_new_message ( uint8_t type, const uint8_t* type_id ) {
327 MSIMessage* _retu = calloc ( sizeof ( MSIMessage ), 1 );
328 assert ( _retu );
329
330 memset ( _retu, 0, sizeof ( MSIMessage ) );
331
332 if ( type == TYPE_REQUEST ) {
333 ALLOCATE_HEADER ( _retu->request, type_id, strlen ( type_id ) )
334
335 } else if ( type == TYPE_RESPONSE ) {
336 ALLOCATE_HEADER ( _retu->response, type_id, strlen ( type_id ) )
337
338 } else {
339 free_message ( _retu );
340 return NULL;
341 }
342
343 ALLOCATE_HEADER ( _retu->version, VERSION_STRING, strlen ( VERSION_STRING ) )
344
345 return _retu;
346}
347
348
349/**
350 * @brief Parse data from handle_packet.
351 *
352 * @param data The data.
353 * @return MSIMessage* Parsed message.
354 * @retval NULL Error occured.
355 */
356MSIMessage* parse_message ( const uint8_t* data ) {
357 assert ( data );
358
359 MSIMessage* _retu = calloc ( sizeof ( MSIMessage ), 1 );
360 assert ( _retu );
361
362 memset ( _retu, 0, sizeof ( MSIMessage ) );
363
364 if ( parse_raw_data ( _retu, data ) == -1 ) {
365
366 free_message ( _retu );
367 return NULL;
368 }
369
370 if ( !_retu->version.header_value || VERSION_STRLEN != _retu->version.size ||
371 memcmp ( _retu->version.header_value, VERSION_STRING, VERSION_STRLEN ) != 0 ) {
372
373 free_message ( _retu );
374 return NULL;
375 }
376
377 return _retu;
378}
379
380
381
382/**
383 * @brief Speaks for it self.
384 *
385 * @param dest Container.
386 * @param header_field Field.
387 * @param header_value Field value.
388 * @param value_len Length of field value.
389 * @param length Pointer to container length.
390 * @return uint8_t* Iterated container.
391 */
392uint8_t* append_header_to_string (
393 uint8_t* dest,
394 const uint8_t* header_field,
395 const uint8_t* header_value,
396 uint16_t value_len,
397 uint16_t* length )
398{
399 assert ( dest );
400 assert ( header_value );
401 assert ( header_field );
402
403 const uint8_t* _hvit = header_value;
404 uint16_t _total = 6 + value_len; /* 6 is known plus header value len + field len*/
405
406 *dest = field_byte; /* Set the first byte */
407
408 uint8_t* _getback_byte = dest + 1; /* remeber the byte we were on */
409 dest += 3; /* swith to 4th byte where field value starts */
410
411 /* Now set the field value and calculate it's length */
412 uint16_t _i = 0;
413 for ( ; header_field[_i]; ++_i ) {
414 *dest = header_field[_i];
415 ++dest;
416 };
417 _total += _i;
418
419 /* Now set the length of the field byte */
420 *_getback_byte = ( uint8_t ) _i >> 8;
421 _getback_byte++;
422 *_getback_byte = ( uint8_t ) _i;
423
424 /* for value part do it regulary */
425 *dest = value_byte;
426 dest++;
427
428 *dest = ( uint8_t ) value_len >> 8;
429 dest++;
430 *dest = ( uint8_t ) value_len;
431 dest++;
432
433 for ( _i = value_len; _i; --_i ) {
434 *dest = *_hvit;
435 ++_hvit;
436 ++dest;
437 }
438
439 *length += _total;
440 return dest;
441}
442
443
444#define CLEAN_ASSIGN(added, var, field, header)\
445if ( header.header_value ) { var = append_header_to_string(var, (const uint8_t*)field, header.header_value, header.size, &added); }
446
447
448/**
449 * @brief Convert MSIMessage struct to _sendable_ string.
450 *
451 * @param msg The message.
452 * @param dest Destination.
453 * @return uint16_t It's final size.
454 */
455uint16_t message_to_string ( MSIMessage* msg, uint8_t* dest ) {
456 assert ( msg );
457 assert ( dest );
458
459 uint8_t* _iterated = dest;
460 uint16_t _size = 0;
461
462 CLEAN_ASSIGN ( _size, _iterated, VERSION_FIELD, msg->version );
463 CLEAN_ASSIGN ( _size, _iterated, REQUEST_FIELD, msg->request );
464 CLEAN_ASSIGN ( _size, _iterated, RESPONSE_FIELD, msg->response );
465 CLEAN_ASSIGN ( _size, _iterated, CALLTYPE_FIELD, msg->calltype );
466 CLEAN_ASSIGN ( _size, _iterated, USERAGENT_FIELD, msg->useragent );
467 CLEAN_ASSIGN ( _size, _iterated, INFO_FIELD, msg->info );
468 CLEAN_ASSIGN ( _size, _iterated, CALLID_FIELD, msg->callid );
469 CLEAN_ASSIGN ( _size, _iterated, REASON_FIELD, msg->reason );
470 CLEAN_ASSIGN ( _size, _iterated, CRYPTOKEY_FIELD, msg->cryptokey );
471 CLEAN_ASSIGN ( _size, _iterated, NONCE_FIELD, msg->nonce );
472
473 *_iterated = end_byte;
474 _size ++;
475
476 return _size;
477}
478
479
480#define GENERIC_SETTER_DEFINITION(header) \
481void msi_msg_set_##header ( MSIMessage* _msg, const uint8_t* header_value, uint16_t _size ) \
482{ assert(_msg); assert(header_value); \
483 free(_msg->header.header_value); \
484 ALLOCATE_HEADER( _msg->header, header_value, _size )}
485
486GENERIC_SETTER_DEFINITION ( calltype )
487GENERIC_SETTER_DEFINITION ( useragent )
488GENERIC_SETTER_DEFINITION ( reason )
489GENERIC_SETTER_DEFINITION ( info )
490GENERIC_SETTER_DEFINITION ( callid )
491GENERIC_SETTER_DEFINITION ( cryptokey )
492GENERIC_SETTER_DEFINITION ( nonce )
493
494
495/**
496 * @brief Generate _random_ alphanumerical string.
497 *
498 * @param str Destination.
499 * @param size Size of string.
500 * @return void
501 */
502void t_randomstr ( uint8_t* str, size_t size ) {
503 assert ( str );
504
505 static const uint8_t _bytes[] =
506 "0123456789"
507 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
508 "abcdefghijklmnopqrstuvwxyz";
509
510 int _it = 0;
511
512 for ( ; _it < size; _it++ ) {
513 str[_it] = _bytes[ randombytes_random() % 61 ];
514 }
515}
516
517
518typedef enum {
519 error_deadcall = 1, /* has call id but it's from old call */
520 error_id_mismatch, /* non-existing call */
521
522 error_no_callid, /* not having call id */
523 error_no_call, /* no call in session */
524 error_no_crypto_key, /* no crypto key */
525
526 error_busy,
527
528} MSICallError; /* Error codes */
529
530
531/**
532 * @brief Stringify error code.
533 *
534 * @param error_code The code.
535 * @return const uint8_t* The string.
536 */
537static inline const uint8_t *stringify_error ( MSICallError error_code ) {
538 static const uint8_t* strings[] = {
539 ( uint8_t* ) "",
540 ( uint8_t* ) "Using dead call",
541 ( uint8_t* ) "Call id not set to any call",
542 ( uint8_t* ) "Call id not available",
543 ( uint8_t* ) "No active call in session",
544 ( uint8_t* ) "No Crypto-key set",
545 ( uint8_t* ) "Callee busy"
546 };
547
548 return strings[error_code];
549}
550
551
552/**
553 * @brief Convert error_code into string.
554 *
555 * @param error_code The code.
556 * @return const uint8_t* The string.
557 */
558static inline const uint8_t *stringify_error_code ( MSICallError error_code ) {
559 static const uint8_t* strings[] = {
560 ( uint8_t* ) "",
561 ( uint8_t* ) "1",
562 ( uint8_t* ) "2",
563 ( uint8_t* ) "3",
564 ( uint8_t* ) "4",
565 ( uint8_t* ) "5",
566 ( uint8_t* ) "6"
567 };
568
569 return strings[error_code];
570}
571
572
573/**
574 * @brief Speaks for it self.
575 *
576 * @param session Control session.
577 * @param msg The message.
578 * @param to Where to.
579 * @return int
580 * @retval -1 Error occured.
581 * @retval 0 Success.
582 */
583int send_message ( MSISession* session, MSIMessage* msg, uint32_t to )
584{
585 msi_msg_set_callid ( msg, session->call->id, CALL_ID_LEN );
586
587 uint8_t _msg_string_final [MSI_MAXMSG_SIZE];
588 uint16_t _length = message_to_string ( msg, _msg_string_final );
589
590 return m_msi_packet((struct Messenger*) session->messenger_handle, to, _msg_string_final, _length) ? 0 : -1;
591}
592
593
594/**
595 * @brief Speaks for it self.
596 *
597 * @param session Control session.
598 * @param msg The message.
599 * @param peer_id The peer.
600 * @return void
601 */
602void flush_peer_type ( MSISession* session, MSIMessage* msg, int peer_id ) {
603 if ( msg->calltype.header_value ) {
604 if ( strcmp ( ( const char* ) msg->calltype.header_value, CT_AUDIO_HEADER_VALUE ) == 0 ) {
605 session->call->type_peer[peer_id] = type_audio;
606
607 } else if ( strcmp ( ( const char* ) msg->calltype.header_value, CT_VIDEO_HEADER_VALUE ) == 0 ) {
608 session->call->type_peer[peer_id] = type_video;
609 } else {} /* Error */
610 } else {} /* Error */
611}
612
613
614
615/**
616 * @brief Sends error response to peer.
617 *
618 * @param session The session.
619 * @param errid The id.
620 * @param to Where to?
621 * @return int
622 * @retval 0 It's always success.
623 */
624int handle_error ( MSISession* session, MSICallError errid, uint32_t to ) {
625 MSIMessage* _msg_error = msi_new_message ( TYPE_RESPONSE, stringify_response ( error ) );
626
627 const uint8_t* _error_code_str = stringify_error_code ( errid );
628
629 msi_msg_set_reason ( _msg_error, _error_code_str, strlen ( ( const char* ) _error_code_str ) );
630 send_message ( session, _msg_error, to );
631 free_message ( _msg_error );
632
633 session->last_error_id = errid;
634 session->last_error_str = stringify_error ( errid );
635
636 event.rise ( callbacks[cb_error], session );
637
638 return 0;
639}
640
641
642/**
643 * @brief Determine the error if any.
644 *
645 * @param session Control session.
646 * @param msg The message.
647 * @return int
648 * @retval -1 No error.
649 * @retval 0 Error occured and response sent.
650 */
651int has_call_error ( MSISession* session, MSIMessage* msg ) {
652 if ( !msg->callid.header_value ) {
653 return handle_error ( session, error_no_callid, msg->friend_id );
654
655 } else if ( !session->call ) {
656 return handle_error ( session, error_no_call, msg->friend_id );
657
658 } else if ( memcmp ( session->call->id, msg->callid.header_value, CALL_ID_LEN ) != 0 ) {
659 return handle_error ( session, error_id_mismatch, msg->friend_id );
660
661 }
662
663 return -1;
664}
665
666
667/**
668 * @brief Function called at request timeout.
669 *
670 * @param arg Control session
671 * @return void*
672 */
673void* handle_timeout ( void* arg )
674{
675 /* Send hangup either way */
676 MSISession* _session = arg;
677
678 uint32_t* _peers = _session->call->peers;
679 uint16_t _peer_count = _session->call->peer_count;
680
681
682 /* Cancel all? */
683 uint16_t _it = 0;
684 for ( ; _it < _peer_count; _it++ )
685 msi_cancel ( arg, _peers[_it] );
686
687
688 ( *callbacks[cb_timeout] ) ( arg );
689 ( *callbacks[cb_ending ] ) ( arg );
690
691 return NULL;
692}
693
694
695/**
696 * @brief Add peer to peer list.
697 *
698 * @param call What call.
699 * @param peer_id Its id.
700 * @return void
701 */
702void add_peer( MSICall* call, int peer_id )
703{
704 if ( !call->peers ) {
705 call->peers = calloc(sizeof(int), 1);
706 call->peer_count = 1;
707 } else{
708 call->peer_count ++;
709 call->peers = realloc( call->peers, sizeof(int) * call->peer_count);
710 }
711
712 call->peers[call->peer_count - 1] = peer_id;
713}
714
715
716/**
717 * @brief BASIC call flow:
718 *
719 * ALICE BOB
720 * | invite --> |
721 * | |
722 * | <-- ringing |
723 * | |
724 * | <-- starting |
725 * | |
726 * | start --> |
727 * | |
728 * | <-- MEDIA TRANS --> |
729 * | |
730 * | end --> |
731 * | |
732 * | <-- ending |
733 *
734 * Alice calls Bob by sending invite packet.
735 * Bob recvs the packet and sends an ringing packet;
736 * which notifies Alice that her invite is acknowledged.
737 * Ringing screen shown on both sides.
738 * Bob accepts the invite for a call by sending starting packet.
739 * Alice recvs the starting packet and sends the started packet to
740 * inform Bob that she recved the starting packet.
741 * Now the media transmission is established ( i.e. RTP transmission ).
742 * Alice hangs up and sends end packet.
743 * Bob recves the end packet and sends ending packet
744 * as the acknowledgement that the call is ending.
745 *
746 *
747 */
748void msi_handle_packet ( Messenger* messenger, int source, uint8_t* data, uint16_t length, void* object )
749{
750 MSISession* _session = object;
751 MSIMessage* _msg;
752
753 _msg = parse_message ( data );
754
755 if ( !_msg ) return;
756
757 _msg->friend_id = source;
758
759
760 /* Now handle message */
761
762 if ( _msg->request.header_value ) { /* Handle request */
763
764 const uint8_t* _request_value = _msg->request.header_value;
765
766 if ( same ( _request_value, stringify_request ( invite ) ) ) {
767 handle_recv_invite ( _session, _msg );
768
769 } else if ( same ( _request_value, stringify_request ( start ) ) ) {
770 handle_recv_start ( _session, _msg );
771
772 } else if ( same ( _request_value, stringify_request ( cancel ) ) ) {
773 handle_recv_cancel ( _session, _msg );
774
775 } else if ( same ( _request_value, stringify_request ( reject ) ) ) {
776 handle_recv_reject ( _session, _msg );
777
778 } else if ( same ( _request_value, stringify_request ( end ) ) ) {
779 handle_recv_end ( _session, _msg );
780 }
781
782 else {
783 free_message ( _msg );
784 return;
785 }
786
787 } else if ( _msg->response.header_value ) { /* Handle response */
788
789 const uint8_t* _response_value = _msg->response.header_value;
790
791 if ( same ( _response_value, stringify_response ( ringing ) ) ) {
792 handle_recv_ringing ( _session, _msg );
793
794 } else if ( same ( _response_value, stringify_response ( starting ) ) ) {
795 handle_recv_starting ( _session, _msg );
796
797 } else if ( same ( _response_value, stringify_response ( ending ) ) ) {
798 handle_recv_ending ( _session, _msg );
799
800 } else if ( same ( _response_value, stringify_response ( error ) ) ) {
801 handle_recv_error ( _session, _msg );
802 } else {
803 free_message ( _msg );
804 return;
805 }
806
807 /* Got response so cancel timer */
808 if ( _session->call )
809 event.timer_release ( _session->call->request_timer_id );
810
811 }
812
813 free_message ( _msg );
814}
815
816
817/**
818 * @brief Speaks for it self.
819 *
820 * @param session Control session.
821 * @param peers Amount of peers. (Currently it only supports 1)
822 * @param ringing_timeout Ringing timeout.
823 * @return MSICall* The created call.
824 */
825MSICall* init_call ( MSISession* session, int peers, int ringing_timeout ) {
826 assert ( session );
827 assert ( peers );
828
829 MSICall* _call = calloc ( sizeof ( MSICall ), 1 );
830 _call->type_peer = calloc ( sizeof ( MSICallType ), peers );
831
832 assert ( _call );
833 assert ( _call->type_peer );
834
835 /*_call->_participant_count = _peers;*/
836
837 _call->request_timer_id = 0;
838 _call->ringing_timer_id = 0;
839
840 _call->key_local = NULL;
841 _call->key_peer = NULL;
842 _call->nonce_local = NULL;
843 _call->nonce_peer = NULL;
844
845 _call->ringing_tout_ms = ringing_timeout;
846
847 pthread_mutex_init ( &_call->mutex, NULL );
848
849 return _call;
850}
851
852
853/**
854 * @brief Terminate the call.
855 *
856 * @param session Control session.
857 * @return int
858 * @retval -1 Error occured.
859 * @retval 0 Success.
860 */
861int terminate_call ( MSISession* session ) {
862 assert ( session );
863
864 if ( !session->call )
865 return -1;
866
867
868 /* Check event loop and cancel timed events if there are any
869 * Notice: This has to be done before possibly
870 * locking the mutex the second time
871 */
872 event.timer_release ( session->call->request_timer_id );
873 event.timer_release ( session->call->ringing_timer_id );
874
875 /* Get a handle */
876 pthread_mutex_lock ( &session->call->mutex );
877
878 MSICall* _call = session->call;
879 session->call = NULL;
880
881 free ( _call->type_peer );
882 free ( _call->key_local );
883 free ( _call->key_peer );
884 free ( _call->peers);
885
886 /* Release handle */
887 pthread_mutex_unlock ( &_call->mutex );
888
889 pthread_mutex_destroy ( &_call->mutex );
890
891 free ( _call );
892
893 return 0;
894}
895
896
897/********** Request handlers **********/
898int handle_recv_invite ( MSISession* session, MSIMessage* msg ) {
899 assert ( session );
900
901 if ( session->call ) {
902 handle_error ( session, error_busy, msg->friend_id );
903 return 0;
904 }
905 if ( !msg->callid.header_value ) {
906 handle_error ( session, error_no_callid, msg->friend_id );
907 return 0;
908 }
909
910 session->call = init_call ( session, 1, 0 );
911 memcpy ( session->call->id, msg->callid.header_value, CALL_ID_LEN );
912 session->call->state = call_starting;
913
914 add_peer( session->call, msg->friend_id);
915
916 flush_peer_type ( session, msg, 0 );
917
918 MSIMessage* _msg_ringing = msi_new_message ( TYPE_RESPONSE, stringify_response ( ringing ) );
919 send_message ( session, _msg_ringing, msg->friend_id );
920 free_message ( _msg_ringing );
921
922 event.rise ( callbacks[cb_oninvite], session );
923
924 return 1;
925}
926int handle_recv_start ( MSISession* session, MSIMessage* msg ) {
927 assert ( session );
928
929 if ( has_call_error ( session, msg ) == 0 )
930 return 0;
931
932 if ( !msg->cryptokey.header_value )
933 return handle_error ( session, error_no_crypto_key, msg->friend_id );
934
935 session->call->state = call_active;
936
937 session->call->key_peer = calloc ( sizeof ( uint8_t ), crypto_secretbox_KEYBYTES );
938 memcpy ( session->call->key_peer, msg->cryptokey.header_value, crypto_secretbox_KEYBYTES );
939
940 session->call->nonce_peer = calloc ( sizeof ( uint8_t ), crypto_box_NONCEBYTES );
941 memcpy ( session->call->nonce_peer, msg->nonce.header_value, crypto_box_NONCEBYTES );
942
943 flush_peer_type ( session, msg, 0 );
944
945 event.rise ( callbacks[cb_onstart], session );
946
947 return 1;
948}
949int handle_recv_reject ( MSISession* session, MSIMessage* msg ) {
950 assert ( session );
951
952 if ( has_call_error ( session, msg ) == 0 )
953 return 0;
954
955
956 MSIMessage* _msg_end = msi_new_message ( TYPE_REQUEST, stringify_request ( end ) );
957 send_message ( session, _msg_end, msg->friend_id );
958 free_message ( _msg_end );
959
960 event.timer_release ( session->call->request_timer_id );
961 event.rise ( callbacks[cb_onreject], session );
962 session->call->request_timer_id = event.timer_alloc ( handle_timeout, session, m_deftout );
963
964 return 1;
965}
966int handle_recv_cancel ( MSISession* session, MSIMessage* msg ) {
967 assert ( session );
968
969 if ( has_call_error ( session, msg ) == 0 )
970 return 0;
971
972
973 terminate_call ( session );
974
975 event.rise ( callbacks[cb_oncancel], session );
976
977 return 1;
978}
979int handle_recv_end ( MSISession* session, MSIMessage* msg ) {
980 assert ( session );
981
982 if ( has_call_error ( session, msg ) == 0 )
983 return 0;
984
985
986 MSIMessage* _msg_ending = msi_new_message ( TYPE_RESPONSE, stringify_response ( ending ) );
987 send_message ( session, _msg_ending, msg->friend_id );
988 free_message ( _msg_ending );
989
990 terminate_call ( session );
991
992 event.rise ( callbacks[cb_onend], session );
993
994 return 1;
995}
996
997/********** Response handlers **********/
998int handle_recv_ringing ( MSISession* session, MSIMessage* msg ) {
999 assert ( session );
1000
1001 if ( has_call_error ( session, msg ) == 0 )
1002 return 0;
1003
1004 session->call->ringing_timer_id = event.timer_alloc ( handle_timeout, session, session->call->ringing_tout_ms );
1005 event.rise ( callbacks[cb_ringing], session );
1006
1007 return 1;
1008}
1009int handle_recv_starting ( MSISession* session, MSIMessage* msg ) {
1010 assert ( session );
1011
1012 if ( has_call_error ( session, msg ) == 0 )
1013 return 0;
1014
1015 if ( !msg->cryptokey.header_value ) {
1016 return handle_error ( session, error_no_crypto_key, msg->friend_id );
1017 }
1018
1019 /* Generate local key/nonce to send */
1020 session->call->key_local = calloc ( sizeof ( uint8_t ), crypto_secretbox_KEYBYTES );
1021 new_symmetric_key ( session->call->key_local );
1022
1023 session->call->nonce_local = calloc ( sizeof ( uint8_t ), crypto_box_NONCEBYTES );
1024 new_nonce ( session->call->nonce_local );
1025
1026 /* Save peer key/nonce */
1027 session->call->key_peer = calloc ( sizeof ( uint8_t ), crypto_secretbox_KEYBYTES );
1028 memcpy ( session->call->key_peer, msg->cryptokey.header_value, crypto_secretbox_KEYBYTES );
1029
1030 session->call->nonce_peer = calloc ( sizeof ( uint8_t ), crypto_box_NONCEBYTES );
1031 memcpy ( session->call->nonce_peer, msg->nonce.header_value, crypto_box_NONCEBYTES );
1032
1033 session->call->state = call_active;
1034
1035 MSIMessage* _msg_start = msi_new_message ( TYPE_REQUEST, stringify_request ( start ) );
1036 msi_msg_set_cryptokey ( _msg_start, session->call->key_local, crypto_secretbox_KEYBYTES );
1037 msi_msg_set_nonce ( _msg_start, session->call->nonce_local, crypto_box_NONCEBYTES );
1038 send_message ( session, _msg_start, msg->friend_id );
1039 free_message ( _msg_start );
1040
1041 flush_peer_type ( session, msg, 0 );
1042
1043 event.rise ( callbacks[cb_starting], session );
1044 event.timer_release ( session->call->ringing_timer_id );
1045
1046 return 1;
1047}
1048int handle_recv_ending ( MSISession* session, MSIMessage* msg ) {
1049 assert ( session );
1050
1051 if ( has_call_error ( session, msg ) == 0 )
1052 return 0;
1053
1054
1055 terminate_call ( session );
1056
1057 event.rise ( callbacks[cb_ending], session );
1058
1059 return 1;
1060}
1061int handle_recv_error ( MSISession* session, MSIMessage* msg ) {
1062 assert ( session );
1063 assert ( session->call );
1064
1065 /* Handle error accordingly */
1066 if ( msg->reason.header_value ) {
1067 session->last_error_id = atoi ( ( const char* ) msg->reason.header_value );
1068 session->last_error_str = stringify_error ( session->last_error_id );
1069 }
1070
1071 terminate_call ( session );
1072
1073 event.rise ( callbacks[cb_ending], session );
1074
1075 return 1;
1076}
1077
1078
1079/********************************************************************************************************************
1080 * *******************************************************************************************************************
1081 ********************************************************************************************************************
1082 ********************************************************************************************************************
1083 ********************************************************************************************************************
1084 *
1085 *
1086 *
1087 * PUBLIC API FUNCTIONS IMPLEMENTATIONS
1088 *
1089 *
1090 *
1091 ********************************************************************************************************************
1092 ********************************************************************************************************************
1093 ********************************************************************************************************************
1094 ********************************************************************************************************************
1095 ********************************************************************************************************************/
1096
1097
1098
1099
1100
1101
1102
1103
1104/**
1105 * @brief Callback setter.
1106 *
1107 * @param callback The callback.
1108 * @param id The id.
1109 * @return void
1110 */
1111void msi_register_callback ( MSICallback callback, MSICallbackID id )
1112{
1113 callbacks[id] = callback;
1114}
1115
1116
1117/**
1118 * @brief Start the control session.
1119 *
1120 * @param messenger Tox* object.
1121 * @param user_agent User agent, i.e. 'Venom'; 'QT-gui'
1122 * @return MSISession* The created session.
1123 * @retval NULL Error occured.
1124 */
1125MSISession* msi_init_session ( Tox* messenger, const uint8_t* user_agent ) {
1126 assert ( messenger );
1127 assert ( user_agent );
1128
1129 MSISession* _retu = calloc ( sizeof ( MSISession ), 1 );
1130 assert ( _retu );
1131
1132 _retu->user_agent = user_agent;
1133 _retu->messenger_handle = messenger;
1134 _retu->agent_handler = NULL;
1135
1136 _retu->call = NULL;
1137
1138 _retu->frequ = 10000; /* default value? */
1139 _retu->call_timeout = 30000; /* default value? */
1140
1141
1142 m_callback_msi_packet((struct Messenger*) messenger, msi_handle_packet, _retu );
1143
1144
1145 return _retu;
1146}
1147
1148
1149/**
1150 * @brief Terminate control session.
1151 *
1152 * @param session The session
1153 * @return int
1154 */
1155int msi_terminate_session ( MSISession* session ) {
1156 assert ( session );
1157
1158 int _status = 0;
1159
1160 terminate_call ( session );
1161
1162 /* TODO: Clean it up more? */
1163
1164 free ( session );
1165 return _status;
1166}
1167
1168
1169/**
1170 * @brief Send invite request to friend_id.
1171 *
1172 * @param session Control session.
1173 * @param call_type Type of the call. Audio or Video(both audio and video)
1174 * @param rngsec Ringing timeout.
1175 * @param friend_id The friend.
1176 * @return int
1177 */
1178int msi_invite ( MSISession* session, MSICallType call_type, uint32_t rngsec, uint32_t friend_id ) {
1179 assert ( session );
1180
1181 MSIMessage* _msg_invite = msi_new_message ( TYPE_REQUEST, stringify_request ( invite ) );
1182
1183 session->call = init_call ( session, 1, rngsec ); /* Just one for now */
1184 t_randomstr ( session->call->id, CALL_ID_LEN );
1185
1186 add_peer(session->call, friend_id );
1187
1188 session->call->type_local = call_type;
1189 /* Do whatever with message */
1190
1191 if ( call_type == type_audio ) {
1192 msi_msg_set_calltype
1193 ( _msg_invite, ( const uint8_t* ) CT_AUDIO_HEADER_VALUE, strlen ( CT_AUDIO_HEADER_VALUE ) );
1194 } else {
1195 msi_msg_set_calltype
1196 ( _msg_invite, ( const uint8_t* ) CT_VIDEO_HEADER_VALUE, strlen ( CT_VIDEO_HEADER_VALUE ) );
1197 }
1198
1199 send_message ( session, _msg_invite, friend_id );
1200 free_message ( _msg_invite );
1201
1202 session->call->state = call_inviting;
1203
1204 session->call->request_timer_id = event.timer_alloc ( handle_timeout, session, m_deftout );
1205
1206 return 0;
1207}
1208
1209
1210/**
1211 * @brief Hangup active call.
1212 *
1213 * @param session Control session.
1214 * @return int
1215 * @retval -1 Error occured.
1216 * @retval 0 Success.
1217 */
1218int msi_hangup ( MSISession* session ) {
1219 assert ( session );
1220
1221 if ( !session->call && session->call->state != call_active )
1222 return -1;
1223
1224 MSIMessage* _msg_ending = msi_new_message ( TYPE_REQUEST, stringify_request ( end ) );
1225
1226 /* hangup for each peer */
1227 int _it = 0;
1228 for ( ; _it < session->call->peer_count; _it ++ )
1229 send_message ( session, _msg_ending, session->call->peers[_it] );
1230
1231
1232 free_message ( _msg_ending );
1233
1234 session->call->request_timer_id = event.timer_alloc ( handle_timeout, session, m_deftout );
1235
1236 return 0;
1237}
1238
1239
1240/**
1241 * @brief Answer active call request.
1242 *
1243 * @param session Control session.
1244 * @param call_type Answer with Audio or Video(both).
1245 * @return int
1246 */
1247int msi_answer ( MSISession* session, MSICallType call_type ) {
1248 assert ( session );
1249
1250 MSIMessage* _msg_starting = msi_new_message ( TYPE_RESPONSE, stringify_response ( starting ) );
1251 session->call->type_local = call_type;
1252
1253 if ( call_type == type_audio ) {
1254 msi_msg_set_calltype
1255 ( _msg_starting, ( const uint8_t* ) CT_AUDIO_HEADER_VALUE, strlen ( CT_AUDIO_HEADER_VALUE ) );
1256 } else {
1257 msi_msg_set_calltype
1258 ( _msg_starting, ( const uint8_t* ) CT_VIDEO_HEADER_VALUE, strlen ( CT_VIDEO_HEADER_VALUE ) );
1259 }
1260
1261 /* Now set the local encryption key and pass it with STARTING message */
1262
1263 session->call->key_local = calloc ( sizeof ( uint8_t ), crypto_secretbox_KEYBYTES );
1264 new_symmetric_key ( session->call->key_local );
1265
1266 session->call->nonce_local = calloc ( sizeof ( uint8_t ), crypto_box_NONCEBYTES );
1267 new_nonce ( session->call->nonce_local );
1268
1269 msi_msg_set_cryptokey ( _msg_starting, session->call->key_local, crypto_secretbox_KEYBYTES );
1270 msi_msg_set_nonce ( _msg_starting, session->call->nonce_local, crypto_box_NONCEBYTES );
1271
1272 send_message ( session, _msg_starting, session->call->peers[session->call->peer_count - 1] );
1273 free_message ( _msg_starting );
1274
1275 session->call->state = call_active;
1276
1277 return 0;
1278}
1279
1280
1281/**
1282 * @brief Cancel request.
1283 *
1284 * @param session Control session.
1285 * @param friend_id The friend.
1286 * @return int
1287 */
1288int msi_cancel ( MSISession* session, int friend_id ) {
1289 assert ( session );
1290
1291 MSIMessage* _msg_cancel = msi_new_message ( TYPE_REQUEST, stringify_request ( cancel ) );
1292 send_message ( session, _msg_cancel, friend_id );
1293 free_message ( _msg_cancel );
1294
1295 terminate_call ( session );
1296
1297 return 0;
1298}
1299
1300
1301/**
1302 * @brief Reject request.
1303 *
1304 * @param session Control session.
1305 * @return int
1306 */
1307int msi_reject ( MSISession* session ) {
1308 assert ( session );
1309
1310 MSIMessage* _msg_reject = msi_new_message ( TYPE_REQUEST, stringify_request ( reject ) );
1311 send_message ( session, _msg_reject, session->call->peers[session->call->peer_count - 1] );
1312 free_message ( _msg_reject );
1313
1314 session->call->request_timer_id = event.timer_alloc ( handle_timeout, session, m_deftout );
1315
1316 return 0;
1317}
1318
1319
1320/**
1321 * @brief Terminate the current call.
1322 *
1323 * @param session Control session.
1324 * @return int
1325 */
1326int msi_stopcall ( MSISession* session ) {
1327 assert ( session );
1328
1329 if ( !session->call )
1330 return -1;
1331
1332 /* just terminate it */
1333
1334 terminate_call ( session );
1335
1336 return 0;
1337} \ No newline at end of file
diff --git a/toxav/toxmsi.h b/toxav/toxmsi.h
new file mode 100755
index 00000000..c45662a6
--- /dev/null
+++ b/toxav/toxmsi.h
@@ -0,0 +1,231 @@
1/** toxmsi.h
2 *
3 * Copyright (C) 2013 Tox project All Rights Reserved.
4 *
5 * This file is part of Tox.
6 *
7 * Tox is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Tox is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
19 *
20 *
21 * Report bugs/suggestions to me ( mannol ) at either #tox-dev @ freenode.net:6667 or
22 * my email: eniz_vukovic@hotmail.com
23 */
24
25#ifndef __TOXMSI
26#define __TOXMSI
27
28#include <inttypes.h>
29#include "../toxcore/tox.h"
30#include <pthread.h>
31
32/* define size for call_id */
33#define CALL_ID_LEN 12
34
35
36typedef void* ( *MSICallback ) ( void* arg );
37
38
39/**
40 * @brief Call type identifier. Also used as rtp callback prefix.
41 */
42typedef enum {
43 type_audio = 70,
44 type_video,
45} MSICallType;
46
47
48/**
49 * @brief Call state identifiers.
50 */
51typedef enum {
52 call_inviting, /* when sending call invite */
53 call_starting, /* when getting call invite */
54 call_active,
55 call_hold
56
57} MSICallState;
58
59
60
61/**
62 * @brief The call struct.
63 *
64 */
65typedef struct _MSICall { /* Call info structure */
66 MSICallState state;
67
68 MSICallType type_local; /* Type of payload user is ending */
69 MSICallType* type_peer; /* Type of payload others are sending */
70
71 uint8_t id[CALL_ID_LEN]; /* Random value identifying the call */
72
73 uint8_t* key_local; /* The key for encryption */
74 uint8_t* key_peer; /* The key for decryption */
75
76 uint8_t* nonce_local; /* Local nonce */
77 uint8_t* nonce_peer; /* Peer nonce */
78
79 int ringing_tout_ms; /* Ringing timeout in ms */
80
81 int request_timer_id; /* Timer id for outgoing request/action */
82 int ringing_timer_id; /* Timer id for ringing timeout */
83
84 pthread_mutex_t mutex; /* It's to be assumed that call will have
85 * seperate thread so add mutex
86 */
87 uint32_t* peers;
88 uint16_t peer_count;
89
90
91} MSICall;
92
93
94/**
95 * @brief Control session struct
96 *
97 */
98typedef struct _MSISession {
99
100 /* Call handler */
101 struct _MSICall* call;
102
103 int last_error_id; /* Determine the last error */
104 const uint8_t* last_error_str;
105
106 const uint8_t* user_agent;
107
108 void* agent_handler; /* Pointer to an object that is handling msi */
109 Tox* messenger_handle;
110
111 uint32_t frequ;
112 uint32_t call_timeout; /* Time of the timeout for some action to end; 0 if infinite */
113
114
115} MSISession;
116
117
118/**
119 * @brief Callbacks ids that handle the states
120 */
121typedef enum {
122 /* Requests */
123 cb_oninvite,
124 cb_onstart,
125 cb_oncancel,
126 cb_onreject,
127 cb_onend,
128
129 /* Responses */
130 cb_ringing,
131 cb_starting,
132 cb_ending,
133
134 /* Protocol */
135 cb_error,
136 cb_timeout,
137
138} MSICallbackID;
139
140
141/**
142 * @brief Callback setter.
143 *
144 * @param callback The callback.
145 * @param id The id.
146 * @return void
147 */
148void msi_register_callback(MSICallback callback, MSICallbackID id);
149
150
151/**
152 * @brief Start the control session.
153 *
154 * @param messenger Tox* object.
155 * @param user_agent User agent, i.e. 'Venom'; 'QT-gui'
156 * @return MSISession* The created session.
157 * @retval NULL Error occured.
158 */
159MSISession* msi_init_session ( Tox* messenger, const uint8_t* user_agent );
160
161
162/**
163 * @brief Terminate control session.
164 *
165 * @param session The session
166 * @return int
167 */
168int msi_terminate_session ( MSISession* session );
169
170
171/**
172 * @brief Send invite request to friend_id.
173 *
174 * @param session Control session.
175 * @param call_type Type of the call. Audio or Video(both audio and video)
176 * @param rngsec Ringing timeout.
177 * @param friend_id The friend.
178 * @return int
179 */
180int msi_invite ( MSISession* session, MSICallType call_type, uint32_t rngsec, uint32_t friend_id );
181
182
183/**
184 * @brief Hangup active call.
185 *
186 * @param session Control session.
187 * @return int
188 * @retval -1 Error occured.
189 * @retval 0 Success.
190 */
191int msi_hangup ( MSISession* session );
192
193
194/**
195 * @brief Answer active call request.
196 *
197 * @param session Control session.
198 * @param call_type Answer with Audio or Video(both).
199 * @return int
200 */
201int msi_answer ( MSISession* session, MSICallType call_type );
202
203
204/**
205 * @brief Cancel request.
206 *
207 * @param session Control session.
208 * @param friend_id The friend.
209 * @return int
210 */
211int msi_cancel ( MSISession* session, int friend_id );
212
213
214/**
215 * @brief Reject request.
216 *
217 * @param session Control session.
218 * @return int
219 */
220int msi_reject ( MSISession* session );
221
222
223/**
224 * @brief Terminate the current call.
225 *
226 * @param session Control session.
227 * @return int
228 */
229int msi_stopcall ( MSISession* session );
230
231#endif /* __TOXMSI */
diff --git a/toxav/toxrtp.c b/toxav/toxrtp.c
new file mode 100755
index 00000000..2363deea
--- /dev/null
+++ b/toxav/toxrtp.c
@@ -0,0 +1,878 @@
1/** toxrtp.c
2 *
3 * Copyright (C) 2013 Tox project All Rights Reserved.
4 *
5 * This file is part of Tox.
6 *
7 * Tox is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Tox is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
19 *
20 *
21 * Report bugs/suggestions to me ( mannol ) at either #tox-dev @ freenode.net:6667 or
22 * my email: eniz_vukovic@hotmail.com
23 */
24
25#ifdef HAVE_CONFIG_H
26#include "config.h"
27#endif /* HAVE_CONFIG_H */
28
29#include "toxrtp.h"
30#include <assert.h>
31#include <limits.h>
32#include <pthread.h>
33
34#include "../toxcore/util.h"
35#include "../toxcore/network.h"
36#include "../toxcore/net_crypto.h"
37#include "../toxcore/Messenger.h"
38
39#define PAYLOAD_ID_VALUE_OPUS 1
40#define PAYLOAD_ID_VALUE_VP8 2
41
42#define MAX_SEQU_NUM 65535
43
44#define size_32 4
45
46#define inline__ inline __attribute__((always_inline))
47
48
49#define ADD_FLAG_VERSION(_h, _v) do { ( _h->flags ) &= 0x3F; ( _h->flags ) |= ( ( ( _v ) << 6 ) & 0xC0 ); } while(0)
50#define ADD_FLAG_PADDING(_h, _v) do { if ( _v > 0 ) _v = 1; ( _h->flags ) &= 0xDF; ( _h->flags ) |= ( ( ( _v ) << 5 ) & 0x20 ); } while(0)
51#define ADD_FLAG_EXTENSION(_h, _v) do { if ( _v > 0 ) _v = 1; ( _h->flags ) &= 0xEF;( _h->flags ) |= ( ( ( _v ) << 4 ) & 0x10 ); } while(0)
52#define ADD_FLAG_CSRCC(_h, _v) do { ( _h->flags ) &= 0xF0; ( _h->flags ) |= ( ( _v ) & 0x0F ); } while(0)
53#define ADD_SETTING_MARKER(_h, _v) do { if ( _v > 1 ) _v = 1; ( _h->marker_payloadt ) &= 0x7F; ( _h->marker_payloadt ) |= ( ( ( _v ) << 7 ) /*& 0x80 */ ); } while(0)
54#define ADD_SETTING_PAYLOAD(_h, _v) do { if ( _v > 127 ) _v = 127; ( _h->marker_payloadt ) &= 0x80; ( _h->marker_payloadt ) |= ( ( _v ) /* & 0x7F */ ); } while(0)
55
56#define GET_FLAG_VERSION(_h) (( _h->flags & 0xd0 ) >> 6)
57#define GET_FLAG_PADDING(_h) (( _h->flags & 0x20 ) >> 5)
58#define GET_FLAG_EXTENSION(_h) (( _h->flags & 0x10 ) >> 4)
59#define GET_FLAG_CSRCC(_h) ( _h->flags & 0x0f )
60#define GET_SETTING_MARKER(_h) (( _h->marker_payloadt ) >> 7)
61#define GET_SETTING_PAYLOAD(_h) ((_h->marker_payloadt) & 0x7f)
62
63
64
65/**
66 * @brief Checks if message came in late.
67 *
68 * @param session Control session.
69 * @param msg The message.
70 * @return int
71 * @retval -1 The message came in order.
72 * @retval 0 The message came late.
73 */
74inline__ int check_late_message (RTPSession* session, RTPMessage* msg)
75{
76 /*
77 * Check Sequence number. If this new msg has lesser number then the session->rsequnum
78 * it shows that the message came in late. Also check timestamp to be 100% certain.
79 *
80 */
81 return ( msg->header->sequnum < session->rsequnum && msg->header->timestamp < session->timestamp ) ? 0 : -1;
82}
83
84
85/**
86 * @brief Increases nonce value by 'target'
87 *
88 * @param nonce The nonce
89 * @param target The target
90 * @return void
91 */
92inline__ void increase_nonce(uint8_t* nonce, uint16_t target)
93{
94 uint16_t _nonce_counter = ((uint16_t)(
95 (((uint16_t) nonce [crypto_box_NONCEBYTES - 1]) << 8 ) |
96 (((uint16_t) nonce [crypto_box_NONCEBYTES - 2]) )));
97
98 /* Check overflow */
99 if (_nonce_counter > USHRT_MAX - target ) { /* 2 bytes are not long enough */
100 int _it = 3;
101 while ( _it <= crypto_box_NONCEBYTES ) _it += ++nonce[crypto_box_NONCEBYTES - _it] ? crypto_box_NONCEBYTES : 1;
102
103 _nonce_counter = _nonce_counter - (USHRT_MAX - target ); /* Assign the rest of it */
104 } else { /* Increase nonce */
105
106 _nonce_counter+= target;
107 }
108
109 /* Assign the 8 last bytes */
110
111 nonce [crypto_box_NONCEBYTES - 1] = (uint8_t) (_nonce_counter >> 8);
112 nonce [crypto_box_NONCEBYTES - 2] = (uint8_t) (_nonce_counter);
113}
114
115
116/**
117 * @brief Speaks for it self.
118 *
119 */
120static const uint32_t payload_table[] =
121{
122 8000, 8000, 8000, 8000, 8000, 8000, 16000, 8000, 8000, 8000, /* 0-9 */
123 44100, 44100, 0, 0, 90000, 8000, 11025, 22050, 0, 0, /* 10-19 */
124 0, 0, 0, 0, 0, 90000, 90000, 0, 90000, 0, /* 20-29 */
125 0, 90000, 90000, 90000, 90000, 0, 0, 0, 0, 0, /* 30-39 */
126 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 40-49 */
127 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 50-59 */
128 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60-69 */
129 PAYLOAD_ID_VALUE_OPUS, PAYLOAD_ID_VALUE_VP8, 0, 0, 0, 0, 0, 0, 0, 0,/* 70-79 */
130 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 80-89 */
131 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 90-99 */
132 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 100-109 */
133 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 110-119 */
134 0, 0, 0, 0, 0, 0, 0, 0 /* 120-127 */
135};
136
137
138/**
139 * @brief Extracts header from payload.
140 *
141 * @param payload The payload.
142 * @param length The size of payload.
143 * @return RTPHeader* Extracted header.
144 * @retval NULL Error occurred while extracting header.
145 */
146RTPHeader* extract_header ( const uint8_t* payload, size_t length )
147{
148 if ( !payload ) {
149 return NULL;
150 }
151
152 const uint8_t* _it = payload;
153
154 RTPHeader* _retu = calloc(sizeof(RTPHeader), 1);
155 assert(_retu);
156
157 _retu->flags = *_it; ++_it;
158
159 /* This indicates if the first 2 bytes are valid.
160 * Now it my happen that this is out of order but
161 * it cuts down chances of parsing some invalid value
162 */
163 if ( GET_FLAG_VERSION(_retu) != RTP_VERSION ){
164 /* Deallocate */
165 free(_retu);
166 return NULL;
167 }
168
169 /*
170 * Added a check for the size of the header little sooner so
171 * I don't need to parse the other stuff if it's bad
172 */
173 uint8_t _cc = GET_FLAG_CSRCC ( _retu );
174 uint32_t _length = 12 /* Minimum header len */ + ( _cc * 4 );
175
176 if ( length < _length ) {
177 /* Deallocate */
178 free(_retu);
179 return NULL;
180 }
181
182 if ( _cc > 0 ) {
183 _retu->csrc = calloc ( sizeof ( uint32_t ), _cc );
184 assert(_retu->csrc);
185
186 } else { /* But this should not happen ever */
187 /* Deallocate */
188 free(_retu);
189 return NULL;
190 }
191
192
193 _retu->marker_payloadt = *_it; ++_it;
194 _retu->length = _length;
195
196 _retu->timestamp = ( ( uint32_t ) * _it << 24 ) |
197 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
198 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
199 ( * ( _it + 3 ) ) ;
200
201 _it += 4;
202
203 _retu->ssrc = ( ( uint32_t ) * _it << 24 ) |
204 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
205 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
206 ( ( uint32_t ) * ( _it + 3 ) ) ;
207
208
209 size_t _x;
210 for ( _x = 0; _x < _cc; _x++ ) {
211 _it += 4;
212 _retu->csrc[_x] = ( ( uint32_t ) * _it << 24 ) |
213 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
214 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
215 ( ( uint32_t ) * ( _it + 3 ) ) ;
216 }
217
218 return _retu;
219}
220
221/**
222 * @brief Extracts external header from payload. Must be called AFTER extract_header()!
223 *
224 * @param payload The ITERATED payload.
225 * @param length The size of payload.
226 * @return RTPExtHeader* Extracted extension header.
227 * @retval NULL Error occurred while extracting extension header.
228 */
229RTPExtHeader* extract_ext_header ( const uint8_t* payload, size_t length )
230{
231 const uint8_t* _it = payload;
232
233 RTPExtHeader* _retu = calloc(sizeof(RTPExtHeader), 1);
234 assert(_retu);
235
236 uint16_t _ext_length = ( ( uint16_t ) * _it << 8 ) | * ( _it + 1 ); _it += 2;
237
238 if ( length < ( _ext_length * sizeof(uint32_t) ) ) {
239 return NULL;
240 }
241
242 _retu->length = _ext_length;
243 _retu->type = ( ( uint16_t ) * _it << 8 ) | * ( _it + 1 ); _it -= 2;
244
245 _retu->table = calloc(sizeof(uint32_t), _ext_length );
246 assert(_retu->table);
247
248 uint32_t* _table = _retu->table;
249 size_t _i;
250 for ( _i = 0; _i < _ext_length; _i++ ) {
251 _it += 4;
252 _table[_i] = ( ( uint32_t ) * _it << 24 ) |
253 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
254 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
255 ( ( uint32_t ) * ( _it + 3 ) ) ;
256 }
257
258 return _retu;
259}
260
261/**
262 * @brief Adds header to payload. Make sure _payload_ has enough space.
263 *
264 * @param header The header.
265 * @param payload The payload.
266 * @return uint8_t* Iterated position.
267 */
268uint8_t* add_header ( RTPHeader* header, uint8_t* payload )
269{
270 uint8_t _cc = GET_FLAG_CSRCC ( header );
271
272 uint8_t* _it = payload;
273
274
275 /* Add sequence number first */
276 *_it = ( header->sequnum >> 8 ); ++_it;
277 *_it = ( header->sequnum ); ++_it;
278
279 *_it = header->flags; ++_it;
280 *_it = header->marker_payloadt; ++_it;
281
282
283 uint32_t _timestamp = header->timestamp;
284 *_it = ( _timestamp >> 24 ); ++_it;
285 *_it = ( _timestamp >> 16 ); ++_it;
286 *_it = ( _timestamp >> 8 ); ++_it;
287 *_it = ( _timestamp ); ++_it;
288
289 uint32_t _ssrc = header->ssrc;
290 *_it = ( _ssrc >> 24 ); ++_it;
291 *_it = ( _ssrc >> 16 ); ++_it;
292 *_it = ( _ssrc >> 8 ); ++_it;
293 *_it = ( _ssrc );
294
295 uint32_t *_csrc = header->csrc;
296 size_t _x;
297 for ( _x = 0; _x < _cc; _x++ ) {
298 ++_it;
299 *_it = ( _csrc[_x] >> 24 ); ++_it;
300 *_it = ( _csrc[_x] >> 16 ); ++_it;
301 *_it = ( _csrc[_x] >> 8 ); ++_it;
302 *_it = ( _csrc[_x] );
303 }
304
305 return _it;
306}
307
308/**
309 * @brief Adds extension header to payload. Make sure _payload_ has enough space.
310 *
311 * @param header The header.
312 * @param payload The payload.
313 * @return uint8_t* Iterated position.
314 */
315uint8_t* add_ext_header ( RTPExtHeader* header, uint8_t* payload )
316{
317 uint8_t* _it = payload;
318
319 *_it = ( header->length >> 8 ); _it++;
320 *_it = ( header->length ); _it++;
321
322 *_it = ( header->type >> 8 ); ++_it;
323 *_it = ( header->type );
324
325 size_t x;
326
327 uint32_t* _hd_ext = header->table;
328 for ( x = 0; x < header->length; x++ ) {
329 ++_it;
330 *_it = ( _hd_ext[x] >> 24 ); ++_it;
331 *_it = ( _hd_ext[x] >> 16 ); ++_it;
332 *_it = ( _hd_ext[x] >> 8 ); ++_it;
333 *_it = ( _hd_ext[x] );
334 }
335
336 return _it;
337}
338
339/**
340 * @brief Builds header from control session values.
341 *
342 * @param session Control session.
343 * @return RTPHeader* Created header.
344 */
345RTPHeader* build_header ( RTPSession* session )
346{
347 RTPHeader* _retu;
348 _retu = calloc ( sizeof * _retu, 1 );
349 assert(_retu);
350
351 ADD_FLAG_VERSION ( _retu, session->version );
352 ADD_FLAG_PADDING ( _retu, session->padding );
353 ADD_FLAG_EXTENSION ( _retu, session->extension );
354 ADD_FLAG_CSRCC ( _retu, session->cc );
355 ADD_SETTING_MARKER ( _retu, session->marker );
356 ADD_SETTING_PAYLOAD ( _retu, session->payload_type );
357
358 _retu->sequnum = session->sequnum;
359 _retu->timestamp = ((uint32_t)(current_time() / 1000)); /* micro to milli */
360 _retu->ssrc = session->ssrc;
361
362 if ( session->cc > 0 ) {
363 _retu->csrc = calloc(sizeof(uint32_t), session->cc);
364 assert(_retu->csrc);
365
366 int i;
367
368 for ( i = 0; i < session->cc; i++ ) {
369 _retu->csrc[i] = session->csrc[i];
370 }
371 } else {
372 _retu->csrc = NULL;
373 }
374
375 _retu->length = 12 /* Minimum header len */ + ( session->cc * size_32 );
376
377 return _retu;
378}
379
380
381/**
382 * @brief Parses data into RTPMessage struct. Stores headers separately from the payload data
383 * and so the length variable is set accordingly. _sequnum_ argument is
384 * passed by the handle_packet() since it's parsed already.
385 *
386 * @param session Control session.
387 * @param sequnum Sequence number that's parsed from payload in handle_packet()
388 * @param data Payload data.
389 * @param length Payload size.
390 * @return RTPMessage*
391 * @retval NULL Error occurred.
392 */
393RTPMessage* msg_parse ( RTPSession* session, uint16_t sequnum, const uint8_t* data, uint32_t length )
394{
395 assert( length != -1);
396
397 RTPMessage* _retu = calloc(sizeof(RTPMessage), 1);
398 assert(_retu);
399
400 _retu->header = extract_header ( data, length ); /* It allocates memory and all */
401
402 if ( !_retu->header ){
403 free(_retu);
404 return NULL;
405 }
406 _retu->header->sequnum = sequnum;
407
408 _retu->length = length - _retu->header->length;
409
410 uint16_t _from_pos = _retu->header->length - 2 /* Since sequ num is excluded */ ;
411
412
413 if ( GET_FLAG_EXTENSION ( _retu->header ) ) {
414 _retu->ext_header = extract_ext_header ( data + _from_pos, length );
415 if ( _retu->ext_header ){
416 _retu->length -= ( 4 /* Minimum ext header len */ + _retu->ext_header->length * size_32 );
417 _from_pos += ( 4 /* Minimum ext header len */ + _retu->ext_header->length * size_32 );
418 } else {
419 free (_retu->ext_header);
420 free (_retu->header);
421 free (_retu);
422 return NULL;
423 }
424 } else {
425 _retu->ext_header = NULL;
426 }
427
428 /* Get the payload */
429 _retu->data = calloc ( sizeof ( uint8_t ), _retu->length );
430 assert(_retu->data);
431
432 memcpy ( _retu->data, data + _from_pos, length - _from_pos );
433
434 _retu->next = NULL;
435
436
437 if ( session && check_late_message ( session, _retu) < 0 ){
438 session->rsequnum = _retu->header->sequnum;
439 session->timestamp = _retu->header->timestamp;
440 }
441
442 return _retu;
443}
444
445/**
446 * @brief Callback for networking core.
447 *
448 * @param object RTPSession object.
449 * @param ip_port Where the message comes from.
450 * @param data Message data.
451 * @param length Message length.
452 * @return int
453 * @retval -1 Error occurred.
454 * @retval 0 Success.
455 */
456int rtp_handle_packet ( void* object, IP_Port ip_port, uint8_t* data, uint32_t length )
457{
458 RTPSession* _session = object;
459 RTPMessage* _msg;
460
461 if ( !_session )
462 return -1;
463
464 uint8_t _plain[MAX_UDP_PACKET_SIZE];
465
466 uint16_t _sequnum = ( ( uint16_t ) data[1] << 8 ) | data[2];
467
468 /* Clculate the right nonce */
469 uint8_t _calculated[crypto_box_NONCEBYTES];
470 memcpy(_calculated, _session->decrypt_nonce, crypto_box_NONCEBYTES);
471 increase_nonce ( _calculated, _sequnum );
472
473 /* Decrypt message */
474 int _decrypted_length = decrypt_data_symmetric(
475 (uint8_t*)_session->decrypt_key, _calculated, data + 3, length - 3, _plain );
476
477 /* This packet is either not encrypted properly or late
478 */
479 if ( -1 == _decrypted_length ){
480
481 /* If this is the case, then the packet is most likely late.
482 * Try with old nonce cycle.
483 */
484 if ( _session->rsequnum < _sequnum ) {
485 _decrypted_length = decrypt_data_symmetric(
486 (uint8_t*)_session->decrypt_key, _session->nonce_cycle, data + 3, length - 3, _plain );
487
488 if ( !_decrypted_length ) return -1; /* This packet is not encrypted properly */
489
490 /* Otherwise, if decryption is ok with new cycle, set new cycle
491 */
492 } else {
493 increase_nonce ( _calculated, MAX_SEQU_NUM );
494 _decrypted_length = decrypt_data_symmetric(
495 (uint8_t*)_session->decrypt_key, _calculated, data + 3, length - 3, _plain );
496
497 if ( !_decrypted_length ) return -1; /* This is just an error */
498
499 /* A new cycle setting. */
500 memcpy(_session->nonce_cycle, _session->decrypt_nonce, crypto_box_NONCEBYTES);
501 memcpy(_session->decrypt_nonce, _calculated, crypto_box_NONCEBYTES);
502 }
503 }
504
505 _msg = msg_parse ( NULL, _sequnum, _plain, _decrypted_length );
506
507 if ( !_msg )
508 return -1;
509
510 /* Hopefully this goes well
511 * NOTE: Is this even used?
512 */
513 memcpy(&_msg->from, &ip_port, sizeof(tox_IP_Port));
514
515 /* Check if message came in late */
516 if ( check_late_message(_session, _msg) < 0 ) { /* Not late */
517 _session->rsequnum = _msg->header->sequnum;
518 _session->timestamp = _msg->header->timestamp;
519 }
520
521 pthread_mutex_lock(&_session->mutex);
522
523 if ( _session->last_msg ) {
524 _session->last_msg->next = _msg;
525 _session->last_msg = _msg;
526 } else {
527 _session->last_msg = _session->oldest_msg = _msg;
528 }
529
530 pthread_mutex_unlock(&_session->mutex);
531
532 return 0;
533}
534
535
536
537/**
538 * @brief Stores headers and payload data in one container ( data )
539 * and the length is set accordingly. Returned message is used for sending _only_.
540 *
541 * @param session The control session.
542 * @param data Payload data to send ( This is what you pass ).
543 * @param length Size of the payload data.
544 * @return RTPMessage* Created message.
545 * @retval NULL Error occurred.
546 */
547RTPMessage* rtp_new_message ( RTPSession* session, const uint8_t* data, uint32_t length )
548{
549 if ( !session )
550 return NULL;
551
552 uint8_t* _from_pos;
553 RTPMessage* _retu = calloc(sizeof(RTPMessage), 1);
554 assert(_retu);
555
556 /* Sets header values and copies the extension header in _retu */
557 _retu->header = build_header ( session ); /* It allocates memory and all */
558 _retu->ext_header = session->ext_header;
559
560
561 uint32_t _total_length = length + _retu->header->length;
562
563 if ( _retu->ext_header ) {
564 _total_length += ( 4 /* Minimum ext header len */ + _retu->ext_header->length * size_32 );
565 /* Allocate Memory for _retu->_data */
566 _retu->data = calloc ( sizeof _retu->data, _total_length );
567 assert(_retu->data);
568
569 _from_pos = add_header ( _retu->header, _retu->data );
570 _from_pos = add_ext_header ( _retu->ext_header, _from_pos + 1 );
571 } else {
572 /* Allocate Memory for _retu->_data */
573 _retu->data = calloc ( sizeof _retu->data, _total_length );
574 assert(_retu->data);
575
576 _from_pos = add_header ( _retu->header, _retu->data );
577 }
578
579 /*
580 * Parses the extension header into the message
581 * Of course if any
582 */
583
584 /* Appends _data on to _retu->_data */
585 memcpy ( _from_pos + 1, data, length );
586
587 _retu->length = _total_length;
588
589 _retu->next = NULL;
590
591 return _retu;
592}
593
594
595/********************************************************************************************************************
596 ********************************************************************************************************************
597 ********************************************************************************************************************
598 ********************************************************************************************************************
599 ********************************************************************************************************************
600 *
601 *
602 *
603 * PUBLIC API FUNCTIONS IMPLEMENTATIONS
604 *
605 *
606 *
607 ********************************************************************************************************************
608 ********************************************************************************************************************
609 ********************************************************************************************************************
610 ********************************************************************************************************************
611 ********************************************************************************************************************/
612
613
614
615
616
617
618
619
620
621/**
622 * @brief Release all messages held by session.
623 *
624 * @param session The session.
625 * @return int
626 * @retval -1 Error occurred.
627 * @retval 0 Success.
628 */
629int rtp_release_session_recv ( RTPSession* session )
630{
631 if ( !session ){
632 return -1;
633 }
634
635 RTPMessage* _tmp,* _it;
636
637 pthread_mutex_lock(&session->mutex);
638
639 for ( _it = session->oldest_msg; _it; _it = _tmp ){
640 _tmp = _it->next;
641 rtp_free_msg( session, _it);
642 }
643
644 session->last_msg = session->oldest_msg = NULL;
645
646 pthread_mutex_unlock(&session->mutex);
647
648 return 0;
649}
650
651
652/**
653 * @brief Get's oldes message in the list.
654 *
655 * @param session Where the list is.
656 * @return RTPMessage* The message. You _must_ call rtp_msg_free() to free it.
657 * @retval NULL No messages in the list, or no list.
658 */
659RTPMessage* rtp_recv_msg ( RTPSession* session )
660{
661 if ( !session )
662 return NULL;
663
664 RTPMessage* _retu = session->oldest_msg;
665
666 pthread_mutex_lock(&session->mutex);
667
668 if ( _retu )
669 session->oldest_msg = _retu->next;
670
671 if ( !session->oldest_msg )
672 session->last_msg = NULL;
673
674 pthread_mutex_unlock(&session->mutex);
675
676 return _retu;
677}
678
679
680/**
681 * @brief Sends data to _RTPSession::dest
682 *
683 * @param session The session.
684 * @param messenger Tox* object.
685 * @param data The payload.
686 * @param length Size of the payload.
687 * @return int
688 * @retval -1 On error.
689 * @retval 0 On success.
690 */
691int rtp_send_msg ( RTPSession* session, Tox* messenger, const uint8_t* data, uint16_t length )
692{
693 RTPMessage* msg = rtp_new_message (session, data, length);
694
695 if ( !msg ) return -1;
696
697 uint8_t _send_data [ MAX_UDP_PACKET_SIZE ];
698
699 _send_data[0] = session->prefix;
700
701 /* Generate the right nonce */
702 uint8_t _calculated[crypto_box_NONCEBYTES];
703 memcpy(_calculated, session->encrypt_nonce, crypto_box_NONCEBYTES);
704 increase_nonce ( _calculated, msg->header->sequnum );
705
706 /* Need to skip 2 bytes that are for sequnum */
707 int encrypted_length = encrypt_data_symmetric(
708 (uint8_t*) session->encrypt_key, _calculated, msg->data + 2, msg->length - 2, _send_data + 3 );
709
710 int full_length = encrypted_length + 3;
711
712 _send_data[1] = msg->data[0];
713 _send_data[2] = msg->data[1];
714
715
716 if ( full_length != sendpacket ( ((Messenger*)messenger)->net, *((IP_Port*) &session->dest), _send_data, full_length) ) {
717 printf("Rtp error: %s\n", strerror(errno));
718 return -1;
719 }
720
721
722 /* Set sequ number */
723 if ( session->sequnum >= MAX_SEQU_NUM ) {
724 session->sequnum = 0;
725 memcpy(session->encrypt_nonce, _calculated, crypto_box_NONCEBYTES);
726 } else {
727 session->sequnum++;
728 }
729
730 rtp_free_msg ( session, msg );
731 return 0;
732}
733
734
735/**
736 * @brief Speaks for it self.
737 *
738 * @param session The control session msg belongs to. It can be NULL.
739 * @param msg The message.
740 * @return void
741 */
742void rtp_free_msg ( RTPSession* session, RTPMessage* msg )
743{
744 free ( msg->data );
745
746 if ( !session ){
747 free ( msg->header->csrc );
748 if ( msg->ext_header ){
749 free ( msg->ext_header->table );
750 free ( msg->ext_header );
751 }
752 } else {
753 if ( session->csrc != msg->header->csrc )
754 free ( msg->header->csrc );
755 if ( msg->ext_header && session->ext_header != msg->ext_header ) {
756 free ( msg->ext_header->table );
757 free ( msg->ext_header );
758 }
759 }
760
761 free ( msg->header );
762 free ( msg );
763}
764
765
766/**
767 * @brief Must be called before calling any other rtp function. It's used
768 * to initialize RTP control session.
769 *
770 * @param payload_type Type of payload used to send. You can use values in toxmsi.h::MSICallType
771 * @param messenger Tox* object.
772 * @param friend_num Friend id.
773 * @param encrypt_key Speaks for it self.
774 * @param decrypt_key Speaks for it self.
775 * @param encrypt_nonce Speaks for it self.
776 * @param decrypt_nonce Speaks for it self.
777 * @return RTPSession* Created control session.
778 * @retval NULL Error occurred.
779 */
780RTPSession* rtp_init_session ( int payload_type,
781 Tox* messenger,
782 int friend_num,
783 const uint8_t* encrypt_key,
784 const uint8_t* decrypt_key,
785 const uint8_t* encrypt_nonce,
786 const uint8_t* decrypt_nonce
787)
788{
789 Messenger* _messenger_casted = (Messenger*) messenger;
790
791 IP_Port _dest = get_friend_ipport(_messenger_casted, friend_num );
792
793 /* This should be enough eh? */
794 if ( _dest.port == 0) {
795 return NULL;
796 }
797
798 RTPSession* _retu = calloc(sizeof(RTPSession), 1);
799 assert(_retu);
800
801 networking_registerhandler(_messenger_casted->net, payload_type, rtp_handle_packet, _retu);
802
803 _retu->version = RTP_VERSION; /* It's always 2 */
804 _retu->padding = 0; /* If some additional data is needed about the packet */
805 _retu->extension = 0; /* If extension to header is needed */
806 _retu->cc = 1; /* Amount of contributors */
807 _retu->csrc = NULL; /* Container */
808 _retu->ssrc = randombytes_random();
809 _retu->marker = 0;
810 _retu->payload_type = payload_table[payload_type];
811
812 _retu->dest = *((tox_IP_Port*)&_dest);
813
814 _retu->rsequnum = _retu->sequnum = 1;
815
816 _retu->ext_header = NULL; /* When needed allocate */
817 _retu->framerate = -1;
818 _retu->resolution = -1;
819
820 _retu->encrypt_key = encrypt_key;
821 _retu->decrypt_key = decrypt_key;
822
823 /* Need to allocate new memory */
824 _retu->encrypt_nonce = calloc ( sizeof ( uint8_t ), crypto_box_NONCEBYTES ); assert(_retu->encrypt_nonce);
825 _retu->decrypt_nonce = calloc ( sizeof ( uint8_t ), crypto_box_NONCEBYTES ); assert(_retu->decrypt_nonce);
826 _retu->nonce_cycle = calloc ( sizeof ( uint8_t ), crypto_box_NONCEBYTES ); assert(_retu->nonce_cycle);
827
828 memcpy(_retu->encrypt_nonce, encrypt_nonce, crypto_box_NONCEBYTES);
829 memcpy(_retu->decrypt_nonce, decrypt_nonce, crypto_box_NONCEBYTES);
830 memcpy(_retu->nonce_cycle , decrypt_nonce, crypto_box_NONCEBYTES);
831
832 _retu->csrc = calloc(sizeof(uint32_t), 1);
833 assert(_retu->csrc);
834
835 _retu->csrc[0] = _retu->ssrc; /* Set my ssrc to the list receive */
836
837 /* Also set payload type as prefix */
838 _retu->prefix = payload_type;
839
840 _retu->oldest_msg = _retu->last_msg = NULL;
841
842 pthread_mutex_init(&_retu->mutex, NULL);
843 /*
844 *
845 */
846 return _retu;
847}
848
849
850/**
851 * @brief Terminate the session.
852 *
853 * @param session The session.
854 * @param messenger The messenger who owns the session
855 * @return int
856 * @retval -1 Error occurred.
857 * @retval 0 Success.
858 */
859int rtp_terminate_session ( RTPSession* session, Tox* messenger )
860{
861 if ( !session )
862 return -1;
863
864 networking_registerhandler(((Messenger*)messenger)->net, session->prefix, NULL, NULL);
865
866 free ( session->ext_header );
867 free ( session->csrc );
868 free ( session->decrypt_nonce );
869 free ( session->encrypt_nonce );
870 free ( session->nonce_cycle );
871
872 pthread_mutex_destroy(&session->mutex);
873
874 /* And finally free session */
875 free ( session );
876
877 return 0;
878} \ No newline at end of file
diff --git a/toxav/toxrtp.h b/toxav/toxrtp.h
new file mode 100755
index 00000000..b4275aba
--- /dev/null
+++ b/toxav/toxrtp.h
@@ -0,0 +1,211 @@
1/** toxrtp.h
2 *
3 * Copyright (C) 2013 Tox project All Rights Reserved.
4 *
5 * This file is part of Tox.
6 *
7 * Tox is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Tox is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
19 *
20 *
21 * Report bugs/suggestions to me ( mannol ) at either #tox-dev @ freenode.net:6667 or
22 * my email: eniz_vukovic@hotmail.com
23 */
24
25#ifndef __TOXRTP
26#define __TOXRTP
27
28#define RTP_VERSION 2
29#include <inttypes.h>
30#include "../toxcore/tox.h"
31
32/**
33 * Standard rtp header
34 */
35
36typedef struct _RTPHeader {
37 uint8_t flags; /* Version(2),Padding(1), Ext(1), Cc(4) */
38 uint8_t marker_payloadt; /* Marker(1), PlayLoad Type(7) */
39 uint16_t sequnum; /* Sequence Number */
40 uint32_t timestamp; /* Timestamp */
41 uint32_t ssrc; /* SSRC */
42 uint32_t* csrc; /* CSRC's table */
43 uint32_t length; /* Length of the header in payload string. */
44
45} RTPHeader;
46
47
48/**
49 * @brief Standard rtp extension header.
50 *
51 */
52typedef struct _RTPExtHeader {
53 uint16_t type; /* Extension profile */
54 uint16_t length; /* Number of extensions */
55 uint32_t* table; /* Extension's table */
56
57} RTPExtHeader;
58
59
60/**
61 * @brief Standard rtp message.
62 *
63 */
64typedef struct _RTPMessage {
65 RTPHeader* header;
66 RTPExtHeader* ext_header;
67
68 uint8_t* data;
69 uint32_t length;
70 tox_IP_Port from;
71
72 struct _RTPMessage* next;
73} RTPMessage;
74
75
76/**
77 * @brief Our main session descriptor.
78 * It measures the session variables and controls
79 * the entire session. There are functions for manipulating
80 * the session so tend to use those instead of directly modifying
81 * session parameters.
82 *
83 */
84typedef struct _RTPSession {
85 uint8_t version;
86 uint8_t padding;
87 uint8_t extension;
88 uint8_t cc;
89 uint8_t marker;
90 uint8_t payload_type;
91 uint16_t sequnum; /* Set when sending */
92 uint16_t rsequnum; /* Check when recving msg */
93 uint32_t timestamp;
94 uint32_t ssrc;
95 uint32_t* csrc;
96
97 /* If some additional data must be sent via message
98 * apply it here. Only by allocating this member you will be
99 * automatically placing it within a message.
100 */
101 RTPExtHeader* ext_header;
102
103 /* External header identifiers */
104 int resolution;
105 int framerate;
106
107
108 /* Since these are only references of the
109 * call structure don't allocate or free
110 */
111
112 const uint8_t* encrypt_key;
113 const uint8_t* decrypt_key;
114 uint8_t* encrypt_nonce;
115 uint8_t* decrypt_nonce;
116
117 uint8_t* nonce_cycle;
118
119 RTPMessage* oldest_msg;
120 RTPMessage* last_msg; /* tail */
121
122 /* Msg prefix for core to know when recving */
123 uint8_t prefix;
124
125 pthread_mutex_t mutex;
126 tox_IP_Port dest;
127
128} RTPSession;
129
130
131/**
132 * @brief Release all messages held by session.
133 *
134 * @param session The session.
135 * @return int
136 * @retval -1 Error occurred.
137 * @retval 0 Success.
138 */
139int rtp_release_session_recv ( RTPSession* session );
140
141
142/**
143 * @brief Get's oldest message in the list.
144 *
145 * @param session Where the list is.
146 * @return RTPMessage* The message. You need to call rtp_msg_free() to free it.
147 * @retval NULL No messages in the list, or no list.
148 */
149RTPMessage* rtp_recv_msg ( RTPSession* session );
150
151
152/**
153 * @brief Sends msg to _RTPSession::dest
154 *
155 * @param session The session.
156 * @param msg The message
157 * @param messenger Tox* object.
158 * @return int
159 * @retval -1 On error.
160 * @retval 0 On success.
161 */
162int rtp_send_msg ( RTPSession* session, Tox* messenger, const uint8_t* data, uint16_t length );
163
164
165/**
166 * @brief Speaks for it self.
167 *
168 * @param session The control session msg belongs to. It can be NULL.
169 * @param msg The message.
170 * @return void
171 */
172void rtp_free_msg ( RTPSession* session, RTPMessage* msg );
173
174
175/**
176 * @brief Must be called before calling any other rtp function. It's used
177 * to initialize RTP control session.
178 *
179 * @param payload_type Type of payload used to send. You can use values in toxmsi.h::MSICallType
180 * @param messenger Tox* object.
181 * @param friend_num Friend id.
182 * @param encrypt_key Speaks for it self.
183 * @param decrypt_key Speaks for it self.
184 * @param encrypt_nonce Speaks for it self.
185 * @param decrypt_nonce Speaks for it self.
186 * @return RTPSession* Created control session.
187 * @retval NULL Error occurred.
188 */
189RTPSession* rtp_init_session ( int payload_type,
190 Tox* messenger,
191 int friend_num,
192 const uint8_t* encrypt_key,
193 const uint8_t* decrypt_key,
194 const uint8_t* encrypt_nonce,
195 const uint8_t* decrypt_nonce );
196
197
198/**
199 * @brief Terminate the session.
200 *
201 * @param session The session.
202 * @param messenger The messenger who owns the session
203 * @return int
204 * @retval -1 Error occurred.
205 * @retval 0 Success.
206 */
207int rtp_terminate_session ( RTPSession* session, Tox* messenger );
208
209
210
211#endif /* __TOXRTP */
diff --git a/toxcore/Makefile.inc b/toxcore/Makefile.inc
index 51b4c20b..6c4e297f 100644
--- a/toxcore/Makefile.inc
+++ b/toxcore/Makefile.inc
@@ -29,6 +29,8 @@ libtoxcore_la_SOURCES = ../toxcore/DHT.h \
29 ../toxcore/group_chats.c \ 29 ../toxcore/group_chats.c \
30 ../toxcore/assoc.h \ 30 ../toxcore/assoc.h \
31 ../toxcore/assoc.c \ 31 ../toxcore/assoc.c \
32 ../toxcore/event.h \
33 ../toxcore/event.c \
32 ../toxcore/onion.h \ 34 ../toxcore/onion.h \
33 ../toxcore/onion.c \ 35 ../toxcore/onion.c \
34 ../toxcore/onion_announce.h \ 36 ../toxcore/onion_announce.h \
diff --git a/toxcore/event.c b/toxcore/event.c
new file mode 100755
index 00000000..17e68c87
--- /dev/null
+++ b/toxcore/event.c
@@ -0,0 +1,335 @@
1/** event.c
2 *
3 * Copyright (C) 2013 Tox project All Rights Reserved.
4 *
5 * This file is part of Tox.
6 *
7 * Tox is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Tox is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
19 *
20 *
21 * Report bugs/suggestions to me ( mannol ) at either #tox-dev @ freenode.net:6667 or
22 * my email: eniz_vukovic@hotmail.com
23 */
24
25
26#ifdef HAVE_CONFIG_H
27#include "config.h"
28#endif /* HAVE_CONFIG_H */
29
30#include <stdlib.h>
31#include "event.h"
32
33#include "util.h"
34
35#define _GNU_SOURCE
36
37#include <assert.h>
38#include <unistd.h>
39#include <stddef.h>
40#include <inttypes.h>
41#include <pthread.h>
42
43#define RUN_IN_THREAD(func, args) { pthread_t _tid; \
44 pthread_create(&_tid, NULL, func, args); assert( pthread_detach(_tid) == 0 ); }
45
46#define LOCK(event_handler) pthread_mutex_lock (&event_handler->mutex)
47#define UNLOCK(event_handler) pthread_mutex_unlock(&event_handler->mutex)
48
49#define FREQUENCY 10000
50
51#define inline__ inline __attribute__((always_inline))
52
53
54typedef struct _EventContainer {
55 void* (*func)(void*);
56 void* func_args;
57 unsigned timeout;
58 long long id;
59
60} EventContainer;
61
62typedef struct _EventHandler {
63 EventContainer* timed_events;
64 size_t timed_events_count;
65
66 int running;
67
68 pthread_mutex_t mutex;
69
70} EventHandler;
71
72int throw_event( void* (func)(void*), void* arg );
73int reset_timer_event ( int id, uint32_t timeout );
74int throw_timer_event ( void* (func)(void*), void* arg, unsigned timeout);
75int cancel_timer_event ( int id );
76int execute_timer_event ( int id );
77
78struct _Event event =
79{
80 throw_event,
81 /* reset_timer_event */ NULL,
82 throw_timer_event,
83 cancel_timer_event,
84 /*execute_timer_event*/ NULL
85};
86
87/*
88 * Random functions used by this file
89 */
90void clear_events (EventContainer** event_container, size_t* counter)
91{
92 free(*event_container );
93
94 *event_container = NULL;
95 *counter = 0;
96}
97
98int pop_id ( EventContainer** event_container, size_t* counter, int id )
99{
100 if ( !*event_container || !*counter || !id )
101 return -1;
102
103 EventContainer* _it = *event_container;
104 int i;
105
106 for ( i = *counter; i; -- i ){
107 if ( _it->id == id ) { /* Hit! */
108 break;
109 }
110 ++_it;
111 }
112
113 if ( i ) {
114 for ( ; i; -- i ){ *_it = *(_it + 1); ++_it; }
115 -- (*counter );
116 *event_container = realloc(*event_container, sizeof(EventContainer) * (*counter )); /* resize */
117
118 return 0;
119
120 }
121
122 /* not found here */
123
124 return -1;
125}
126
127void push_event ( EventContainer** container, size_t* counter, void* (func)(void*), void* arg )
128{
129 (*container ) = realloc((*container ), sizeof(EventContainer) * ((*counter ) + 1));
130 assert((*container ) != NULL);
131
132 (*container )[*counter].func = func;
133 (*container )[*counter].func_args = arg;
134 (*container )[*counter].timeout = 0;
135 (*container )[*counter].id = 0;
136
137 (*counter )++;
138}
139
140void reorder_events ( size_t counter, EventContainer* container, unsigned timeout )
141{
142 if ( counter > 1 ) {
143
144 int i = counter - 1;
145
146 /* start from behind excluding last added member */
147 EventContainer* _it = &container[i - 1];
148
149 EventContainer _last_added = container[i];
150
151 for ( ; i; --i ) {
152 if ( _it->timeout > timeout ){
153 *(_it + 1) = *_it;
154 *_it = _last_added; -- _it;
155 }
156 }
157
158 }
159}
160
161/* ============================================= */
162
163/* main poll for event execution */
164void* event_poll( void* arg )
165{
166 EventHandler* _event_handler = arg;
167
168 while ( _event_handler->running )
169 {
170
171 LOCK( _event_handler );
172
173 if ( _event_handler->timed_events ){
174
175 uint32_t _time = ((uint32_t)(current_time() / 1000));
176
177 if ( _event_handler->timed_events[0].timeout < _time ) {
178
179 RUN_IN_THREAD ( _event_handler->timed_events[0].func,
180 _event_handler->timed_events[0].func_args );
181
182 pop_id(&_event_handler->timed_events,
183 &_event_handler->timed_events_count,
184 _event_handler->timed_events[0].id);
185
186 }
187
188 }
189
190 UNLOCK( _event_handler );
191
192 usleep(FREQUENCY);
193 }
194
195LOCK( _event_handler );
196
197 clear_events(&_event_handler->timed_events, &_event_handler->timed_events_count);
198
199UNLOCK( _event_handler );
200
201 _event_handler->running = -1;
202 pthread_exit(NULL);
203}
204
205int throw_event( void* (func)(void*), void* arg )
206{
207 pthread_t _tid;
208 int _rc =
209 pthread_create(&_tid, NULL, func, arg );
210
211 return (0 != _rc ) ? _rc : pthread_detach(_tid);
212}
213
214EventHandler event_handler;
215
216/* Place and order array of timers */
217int throw_timer_event ( void* (func)(void*), void* arg, unsigned timeout)
218{
219 static int _unique_id = 1;
220
221 push_event(&event_handler.timed_events, &(event_handler.timed_events_count), func, arg );
222
223 size_t _counter = event_handler.timed_events_count;
224
225 event_handler.timed_events[_counter - 1].timeout = timeout + ((uint32_t)(current_time() / 1000));
226 event_handler.timed_events[_counter - 1].id = _unique_id; ++_unique_id;
227
228
229 /* reorder */
230
231 reorder_events(_counter, event_handler.timed_events, timeout );
232
233 return _unique_id - 1;
234}
235
236int execute_timer_event ( int id )
237{
238 int _status;
239
240LOCK((&event_handler));
241 EventContainer* _it = event_handler.timed_events;
242
243 int _i = event_handler.timed_events_count;
244
245 /* Find it and execute */
246 for ( ; _i; _i-- ) {
247 if ( _it->id == id ) {
248 RUN_IN_THREAD ( _it->func, _it->func_args );
249 break;
250 }
251 ++_it;
252 }
253
254 /* Now remove it from the queue */
255
256 if ( _i ) {
257 for ( ; _i; -- _i ){ *_it = *(_it + 1); ++_it; }
258 -- event_handler.timed_events_count;
259
260 event_handler.timed_events = realloc
261 (event_handler.timed_events, sizeof(EventContainer) * event_handler.timed_events_count); /* resize */
262
263 _status = 0;
264
265 }
266 else _status = -1;
267
268UNLOCK((&event_handler));
269
270 return _status;
271}
272
273int reset_timer_event ( int id, uint32_t timeout )
274{
275 int _status;
276
277LOCK((&event_handler));
278
279 EventContainer* _it = event_handler.timed_events;
280
281 int _i = event_handler.timed_events_count;
282
283 /* Find it and change */
284 for ( ; _i; _i-- ) {
285 if ( _it->id == id ) {
286 _it->timeout = timeout + ((uint32_t)(current_time() / 1000));
287 break;
288 }
289 ++_it;
290 }
291
292 _status = _i ? -1 : 0;
293
294UNLOCK((&event_handler));
295
296 return _status;
297}
298
299/* Remove timer from array */
300inline__ int cancel_timer_event ( int id )
301{
302 return pop_id (&event_handler.timed_events, &event_handler.timed_events_count, id );
303}
304
305
306/* Initialization and termination of event polls
307 * This will be run at the beginning and the end of the program execution.
308 * I think that's the best way to do it.
309 */
310
311void __attribute__((constructor)) init_event_poll ()
312{
313 event_handler.timed_events = NULL;
314 event_handler.timed_events_count = 0;
315
316 event_handler.running = 1;
317
318 pthread_mutex_init(&event_handler.mutex, NULL);
319
320 RUN_IN_THREAD(event_poll, &event_handler);
321}
322
323void __attribute__((destructor)) terminate_event_poll()
324{
325 /* Exit thread */
326 event_handler.running = 0;
327
328 /* Keep the global until thread exits */
329 while (event_handler.running > -1) {
330 event_handler.running;
331 usleep(FREQUENCY*2);
332 }
333
334 pthread_mutex_destroy( &event_handler.mutex );
335}
diff --git a/toxcore/event.h b/toxcore/event.h
new file mode 100755
index 00000000..690cc1ca
--- /dev/null
+++ b/toxcore/event.h
@@ -0,0 +1,51 @@
1/** event.h
2 *
3 * Copyright (C) 2013 Tox project All Rights Reserved.
4 *
5 * This file is part of Tox.
6 *
7 * Tox is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Tox is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
19 *
20 *
21 * Report bugs/suggestions to me ( mannol ) at either #tox-dev @ freenode.net:6667 or
22 * my email: eniz_vukovic@hotmail.com
23 */
24
25
26#ifndef __TOXEVENT
27#define __TOXEVENT
28
29
30/**
31 * - Events are, in fact, ran in their own threads upon execution.
32 * - Event handler is initialized at the start, before the main() function
33 * and terminated after it's execution.
34 * - Timers are checked for timeout every ~10000 ns.
35 * - Timers can be canceled or ran immediately via
36 * timer_release() or timer_now() functions.
37 * - Timeout is measured in milliseconds.
38 *
39 * NOTE: timer_reset () and timer_now() are not tested nor usable atm
40 *
41 */
42extern struct _Event
43{
44 int (*rise) (void* ( func ) ( void* ), void* arg);
45 int (*timer_reset ) ( int id, unsigned timeout );
46 int (*timer_alloc) (void* ( func ) ( void* ), void* arg, unsigned timeout);
47 int (*timer_release) (int id);
48 int (*timer_now) ( int id );
49} event;
50
51#endif /* _MSI__EVENT_H_ */
diff --git a/toxmsi/Makefile.inc b/toxmsi/Makefile.inc
deleted file mode 100644
index 7d620e70..00000000
--- a/toxmsi/Makefile.inc
+++ /dev/null
@@ -1,69 +0,0 @@
1if BUILD_AV
2
3lib_LTLIBRARIES += libtoxmsi.la
4
5libtoxmsi_la_include_HEADERS = \
6 ../toxmsi/toxmsi.h \
7 ../toxmsi/toxmedia.h
8
9libtoxmsi_la_includedir = $(includedir)/tox
10
11
12libtoxmsi_la_SOURCES = ../toxmsi/toxmsi.h \
13 ../toxmsi/toxmsi.c \
14 ../toxmsi/toxmsi_message.h \
15 ../toxmsi/toxmsi_message.c \
16 ../toxmsi/toxmsi_header.h \
17 ../toxmsi/toxmsi_header.c \
18 ../toxmsi/toxmsi_event.h \
19 ../toxmsi/toxmsi_event.c \
20 ../toxrtp/tests/test_helper.h \
21 ../toxrtp/tests/test_helper.c
22
23libtoxmsi_la_CFLAGS = -I../toxcore \
24 -I../toxmsi \
25 -I../toxrtp \
26 $(NACL_CFLAGS) \
27 $(PTHREAD_CFLAGS)
28
29libtoxmsi_la_LDFLAGS = $(TOXMSI_LT_LDFLAGS) \
30 $(EXTRA_LT_LDFLAGS) \
31 $(NACL_LDFLAGS) \
32 $(PTHREAD_LIBS)
33
34libtoxmsi_la_LIBS = $(NACL_LIBS)
35
36noinst_PROGRAMS += phone
37
38phone_SOURCES = ../toxmsi/phone.c \
39 ../toxmsi/toxmedia.c
40
41phone_CFLAGS = -I../toxcore \
42 -I../toxrtp \
43 $(AVFORMAT_CFLAGS) \
44 $(AVCODEC_CFLAGS) \
45 $(AVUTIL_CFLAGS) \
46 $(AVDEVICE_CFLAGS) \
47 $(SWSCALE_CFLAGS) \
48 $(SDL_CFLAGS) \
49 $(OPENAL_CFLAGS) \
50 $(NACL_CFLAGS) \
51 $(OPUS_CFLAGS) \
52 $(PTHREAD_CFLAGS)
53
54
55phone_LDADD = $(PTHREAD_LIBS) \
56 libtoxrtp.la \
57 libtoxmsi.la \
58 $(NACL_LDFLAGS) \
59 $(AVFORMAT_LIBS) \
60 $(AVCODEC_LIBS) \
61 $(AVUTIL_LIBS) \
62 $(AVDEVICE_LIBS) \
63 $(SWSCALE_LIBS) \
64 $(SDL_LIBS) \
65 $(OPENAL_LIBS) \
66 $(NACL_LIBS) \
67 $(OPUS_LIBS)
68
69endif
diff --git a/toxmsi/phone.c b/toxmsi/phone.c
deleted file mode 100644
index 432be94c..00000000
--- a/toxmsi/phone.c
+++ /dev/null
@@ -1,668 +0,0 @@
1#ifdef HAVE_CONFIG_H
2#include "config.h"
3#endif /* HAVE_CONFIG_H */
4
5#define _BSD_SOURCE
6#define _GNU_SOURCE
7
8#define _CT_PHONE
9
10#ifdef _CT_PHONE
11#include "phone.h"
12#include <stdarg.h>
13#include <unistd.h>
14#include <stdio.h>
15#include <string.h>
16#include <stdlib.h>
17/* #include <termios.h> Can this be removed? */
18#include <pthread.h>
19#include "toxmedia.h"
20
21
22
23void INFO (const char *_format, ...)
24{
25 printf("\r[!] ");
26 va_list _arg;
27 va_start (_arg, _format);
28 vfprintf (stdout, _format, _arg);
29 va_end (_arg);
30 printf("\n\r >> ");
31 fflush(stdout);
32}
33
34int rtp_handlepacket ( void *_object, tox_IP_Port ip_port, uint8_t *data, uint32_t length )
35{
36 phone_t *_phone = _object;
37 rtp_msg_t *_msg;
38 uint8_t _payload_id;
39
40 if ( _phone->_msi->_call && _phone->_msi->_call->_state == call_active ) {
41
42 _msg = rtp_msg_parse ( NULL, data + 1, length - 1 ); /* ignore marker byte */
43
44 if ( !_msg )
45 return 0;
46
47 _payload_id = rtp_header_get_setting_payload_type(_msg->_header);
48
49 if ( _payload_id == _PAYLOAD_OPUS && _phone->_rtp_audio )
50 rtp_store_msg(_phone->_rtp_audio, _msg);
51 else if ( _payload_id == _PAYLOAD_VP8 && _phone->_rtp_video )
52 rtp_store_msg(_phone->_rtp_video, _msg);
53 else rtp_free_msg( NULL, _msg);
54 }
55
56 return SUCCESS;
57}
58int msi_handlepacket ( void *_object, tox_IP_Port ip_port, uint8_t *data, uint32_t length )
59{
60 msi_session_t *_session = _object;
61 msi_msg_t *_msg;
62
63 _msg = msi_parse_msg ( data + 1 ); /* ignore marker byte */
64
65 if ( _msg ) {
66 /* my current solution for "hole punching" */
67 _session->_friend_id = ip_port;
68 } else {
69 return FAILURE;
70 }
71
72 /* place message in a session */
73 msi_store_msg(_session, _msg);
74
75 return SUCCESS;
76}
77
78void *phone_receivepacket ( void *_phone_p )
79{
80 phone_t *_phone = _phone_p;
81
82
83 networking_registerhandler(_phone->_networking, MSI_PACKET, msi_handlepacket, _phone->_msi);
84 networking_registerhandler(_phone->_networking, RTP_PACKET, rtp_handlepacket, _phone);
85
86 /* Now start main networking loop */
87 while ( _phone->_networking ) { /* so not thread safe */
88 networking_poll(_phone->_networking);
89 usleep(10000);
90 }
91
92 pthread_exit ( NULL );
93}
94
95/* Media transport callback */
96typedef struct hmtc_args_s {
97 rtp_session_t **_rtp_audio;
98 rtp_session_t **_rtp_video;
99 call_type *_local_type_call;
100 call_state *_this_call;
101 void *_core_handler;
102} hmtc_args_t;
103
104void *phone_handle_media_transport_poll ( void *_hmtc_args_p )
105{
106 rtp_msg_t *_audio_msg, * _video_msg;
107
108 hmtc_args_t *_hmtc_args = _hmtc_args_p;
109
110 rtp_session_t *_rtp_audio = *_hmtc_args->_rtp_audio;
111 rtp_session_t *_rtp_video = *_hmtc_args->_rtp_video;
112
113 call_type *_type = _hmtc_args->_local_type_call;
114 void *_core_handler = _hmtc_args->_core_handler;
115
116
117 call_state *_this_call = _hmtc_args->_this_call;
118
119 while ( *_this_call == call_active ) {
120
121 // THREADLOCK()
122
123 _audio_msg = rtp_recv_msg ( _rtp_audio );
124 _video_msg = rtp_recv_msg ( _rtp_video );
125
126 if ( _audio_msg ) {
127 /* Do whatever with msg */
128 puts("audio");
129 /* Do whatever with msg
130 puts(_audio_msg->_data);*/
131 rtp_free_msg ( _rtp_audio, _audio_msg );
132 }
133
134 if ( _video_msg ) {
135 /* Do whatever with msg */
136 puts("video");
137 /* Do whatever with msg
138 puts(_video_msg->_data); */
139 rtp_free_msg ( _rtp_video, _video_msg );
140 _video_msg = NULL;
141 }
142
143 /* -------------------- */
144
145 _audio_msg = rtp_msg_new ( _rtp_audio, (const uint8_t *)"audio\0", 6 ) ;
146 rtp_send_msg ( _rtp_audio, _audio_msg, _core_handler );
147 _audio_msg = NULL;
148
149 if ( *_type == type_video ) { /* if local call send video */
150 _video_msg = rtp_msg_new ( _rtp_video, (const uint8_t *)"video\0", 6 ) ;
151 rtp_send_msg ( _rtp_video, _video_msg, _core_handler );
152 _video_msg = NULL;
153 }
154
155 //THREADUNLOCK()
156
157 usleep ( 10000 );
158 /* -------------------- */
159 }
160
161 //THREADLOCK()
162
163 if ( _audio_msg ) {
164 rtp_free_msg(_rtp_audio, _audio_msg);
165 }
166
167 if ( _video_msg ) {
168 rtp_free_msg(_rtp_video, _video_msg);
169 }
170
171 rtp_release_session_recv(_rtp_video);
172 rtp_release_session_recv(_rtp_audio);
173
174 rtp_terminate_session(_rtp_audio);
175 rtp_terminate_session(_rtp_video);
176
177 *_hmtc_args->_rtp_audio = NULL;
178 *_hmtc_args->_rtp_video = NULL;
179
180 free(_hmtc_args_p);
181
182 //THREADUNLOCK()
183
184 INFO("Media thread finished!");
185
186 pthread_exit ( NULL );
187}
188
189pthread_t phone_startmedia_loop ( phone_t *_phone )
190{
191 if ( !_phone ) {
192 return 0;
193 }
194
195 int _status;
196
197 uint8_t _prefix = RTP_PACKET;
198
199 pthread_t _rtp_tid;
200 int _rtp_thread_running = 1;
201
202 _phone->_rtp_audio = rtp_init_session ( -1, 1 );
203 rtp_set_prefix ( _phone->_rtp_audio, &_prefix, 1 );
204 rtp_add_receiver ( _phone->_rtp_audio, &_phone->_msi->_friend_id );
205 rtp_set_payload_type(_phone->_rtp_audio, _PAYLOAD_OPUS);
206
207 _phone->_rtp_video = rtp_init_session ( -1, 1 );
208 rtp_set_prefix ( _phone->_rtp_video, &_prefix, 1 );
209 rtp_add_receiver ( _phone->_rtp_video, &_phone->_msi->_friend_id );
210 rtp_set_payload_type(_phone->_rtp_video, _PAYLOAD_VP8);
211
212
213
214 hmtc_args_t *rtp_targs = calloc(sizeof(hmtc_args_t), 1);
215
216
217 rtp_targs->_rtp_audio = &_phone->_rtp_audio;
218 rtp_targs->_rtp_video = &_phone->_rtp_video;
219 rtp_targs->_local_type_call = &_phone->_msi->_call->_type_local;
220 rtp_targs->_this_call = &_phone->_msi->_call->_state;
221 rtp_targs->_core_handler = _phone->_networking;
222
223 codec_state *cs;
224 cs = _phone->cs;
225 //_status = pthread_create ( &_rtp_tid, NULL, phone_handle_media_transport_poll, rtp_targs );
226 cs->_rtp_audio = _phone->_rtp_audio;
227 cs->_rtp_video = _phone->_rtp_video;
228 cs->_networking = _phone->_networking;
229 cs->socket = _phone->_tox_sock;
230 cs->quit = 0;
231
232 printf("support: %d %d\n", cs->support_send_audio, cs->support_send_video);
233
234 if (cs->support_send_audio && cs->support_send_video) /* quick fix */
235 pthread_create(&_phone->cs->encode_audio_thread, NULL, encode_audio_thread, _phone->cs);
236
237 if (cs->support_receive_audio)
238 pthread_create(&_phone->cs->decode_audio_thread, NULL, decode_audio_thread, _phone->cs);
239
240 if (cs->support_send_video)
241 pthread_create(&_phone->cs->encode_video_thread, NULL, encode_video_thread, _phone->cs);
242
243 if (cs->support_receive_video)
244 pthread_create(&_phone->cs->decode_video_thread, NULL, decode_video_thread, _phone->cs);
245
246//
247 return 1;
248
249
250
251
252}
253
254
255/* Some example callbacks */
256
257MCBTYPE callback_recv_invite ( MCBARGS )
258{
259 const char *_call_type;
260
261 msi_session_t *_msi = _arg;
262
263 /* Get the last one */
264 call_type _type = _msi->_call->_type_peer[_msi->_call->_participants - 1];
265
266 switch ( _type ) {
267 case type_audio:
268 _call_type = "audio";
269 break;
270
271 case type_video:
272 _call_type = "video";
273 break;
274 }
275
276 INFO( "Incoming %s call!", _call_type );
277
278}
279MCBTYPE callback_recv_trying ( MCBARGS )
280{
281 INFO ( "Trying...");
282}
283MCBTYPE callback_recv_ringing ( MCBARGS )
284{
285 INFO ( "Ringing!" );
286}
287MCBTYPE callback_recv_starting ( MCBARGS )
288{
289 msi_session_t *_session = _arg;
290
291 if ( !phone_startmedia_loop(_session->_agent_handler) ) {
292 INFO("Starting call failed!");
293 } else {
294 INFO ("Call started! ( press h to hangup )");
295 }
296}
297MCBTYPE callback_recv_ending ( MCBARGS )
298{
299 msi_session_t *_session = _arg;
300 phone_t *_phone = _session->_agent_handler;
301 _phone->cs->quit = 1;
302
303 if (_phone->cs->encode_video_thread)
304 pthread_join(_phone->cs->encode_video_thread, NULL);
305
306 if (_phone->cs->encode_audio_thread)
307 pthread_join(_phone->cs->encode_audio_thread, NULL);
308
309 if (_phone->cs->decode_audio_thread)
310 pthread_join(_phone->cs->decode_audio_thread, NULL);
311
312 if (_phone->cs->decode_video_thread)
313 pthread_join(_phone->cs->decode_video_thread, NULL);
314
315 SDL_Quit();
316 printf("all A/V threads successfully shut down\n");
317
318 INFO ( "Call ended!" );
319}
320
321MCBTYPE callback_recv_error ( MCBARGS )
322{
323 msi_session_t *_session = _arg;
324
325 INFO( "Error: %s", _session->_last_error_str );
326}
327
328MCBTYPE callback_call_started ( MCBARGS )
329{
330 msi_session_t *_session = _arg;
331
332 if ( !phone_startmedia_loop(_session->_agent_handler) ) {
333 INFO("Starting call failed!");
334 } else {
335 INFO ("Call started! ( press h to hangup )");
336 }
337
338}
339MCBTYPE callback_call_canceled ( MCBARGS )
340{
341 INFO ( "Call canceled!" );
342}
343MCBTYPE callback_call_rejected ( MCBARGS )
344{
345 INFO ( "Call rejected!\n" );
346}
347MCBTYPE callback_call_ended ( MCBARGS )
348{
349
350 msi_session_t *_session = _arg;
351 phone_t *_phone = _session->_agent_handler;
352 _phone->cs->quit = 1;
353
354 if (_phone->cs->encode_video_thread)
355 pthread_join(_phone->cs->encode_video_thread, NULL);
356
357 if (_phone->cs->encode_audio_thread)
358 pthread_join(_phone->cs->encode_audio_thread, NULL);
359
360 if (_phone->cs->decode_audio_thread)
361 pthread_join(_phone->cs->decode_audio_thread, NULL);
362
363 if (_phone->cs->decode_video_thread)
364 pthread_join(_phone->cs->decode_video_thread, NULL);
365
366 SDL_Quit();
367 printf("all A/V threads successfully shut down\n");
368
369 INFO ( "Call ended!" );
370}
371
372MCBTYPE callback_requ_timeout ( MCBARGS )
373{
374 INFO( "No answer! " );
375}
376
377
378phone_t *initPhone(uint16_t _listen_port, uint16_t _send_port)
379{
380 phone_t *_retu = calloc(sizeof(phone_t), 1);
381 _retu->cs = av_calloc(sizeof(codec_state), 1);
382
383 /* Initialize our mutex */
384 pthread_mutex_init ( &_mutex, NULL );
385
386 IP_Port _local;
387 ip_init(&_local.ip, 0);
388 _local.ip.ip4.uint32 = htonl ( INADDR_ANY );
389
390 /* Bind local receive port to any address */
391 _retu->_networking = new_networking ( _local.ip, _listen_port );
392
393 if ( !_retu->_networking ) {
394 fprintf ( stderr, "new_networking() failed!\n" );
395 return NULL;
396 }
397
398 _retu->_send_port = _send_port;
399 _retu->_recv_port = _listen_port;
400
401 _retu->_tox_sock = _retu->_networking->sock;
402
403 _retu->_rtp_audio = NULL;
404 _retu->_rtp_video = NULL;
405
406
407 /* Initialize msi */
408 _retu->_msi = msi_init_session ( _retu->_networking, (const uint8_t *)_USERAGENT );
409
410 if ( !_retu->_msi ) {
411 fprintf ( stderr, "msi_init_session() failed\n" );
412 return NULL;
413 }
414
415 /* Initiate codecs */
416 init_encoder(_retu->cs);
417 init_decoder(_retu->cs);
418
419 _retu->_msi->_agent_handler = _retu;
420 /* Initiate callbacks */
421 msi_register_callback_send ( sendpacket ); /* Using core's send */
422
423 msi_register_callback_call_started ( callback_call_started );
424 msi_register_callback_call_canceled ( callback_call_canceled );
425 msi_register_callback_call_rejected ( callback_call_rejected );
426 msi_register_callback_call_ended ( callback_call_ended );
427
428 msi_register_callback_recv_invite ( callback_recv_invite );
429 msi_register_callback_recv_ringing ( callback_recv_ringing );
430 msi_register_callback_recv_starting ( callback_recv_starting );
431 msi_register_callback_recv_ending ( callback_recv_ending );
432 msi_register_callback_recv_error(callback_recv_error);
433
434 msi_register_callback_requ_timeout ( callback_requ_timeout );
435 /* ------------------ */
436
437 /* Now start msi main loop. It's a must!
438 * Define a frequency in ms; 10 ms is just fine
439 */
440 msi_start_main_loop ( _retu->_msi, 10 );
441
442 return _retu;
443}
444
445pthread_t phone_startmain_loop(phone_t *_phone)
446{
447 int _status;
448 /* Start receive thread */
449 pthread_t _recv_thread, _phone_loop_thread;
450 _status = pthread_create ( &_recv_thread, NULL, phone_receivepacket, _phone );
451
452 if ( _status < 0 ) {
453 printf ( "Error while starting handle call: %d, %s\n", errno, strerror ( errno ) );
454 return 0;
455 }
456
457 _status = pthread_detach ( _recv_thread );
458
459 if ( _status < 0 ) {
460 printf ( "Error while starting handle call: %d, %s\n", errno, strerror ( errno ) );
461 return 0;
462 }
463
464 _status = pthread_create ( &_phone_loop_thread, NULL, phone_poll, _phone );
465
466 if ( _status < 0 ) {
467 printf ( "Error while starting main phone loop: %d, %s\n", errno, strerror ( errno ) );
468 return 0;
469 }
470
471 _status = pthread_join ( _phone_loop_thread, NULL );
472
473 if ( _status < 0 ) {
474 printf ( "Error while starting main phone loop: %d, %s\n", errno, strerror ( errno ) );
475 return 0;
476 }
477
478 return _phone_loop_thread;
479}
480
481void *phone_poll ( void *_p_phone )
482{
483 phone_t *_phone = _p_phone;
484
485 int _status = SUCCESS;
486
487 char _line[100];
488 size_t _len;
489
490
491 char _dest[17]; /* For parsing destination ip */
492 memset(_dest, '\0', 17);
493
494 INFO("Welcome to tox_phone version: " _USERAGENT "\n"
495 "Usage: \n"
496 "c [a/v] (type) [0.0.0.0] (dest ip) (calls dest ip)\n"
497 "h (if call is active hang up)\n"
498 "a [a/v] (answer incoming call: a - audio / v - audio + video (audio is default))\n"
499 "r (reject incoming call)\n"
500 "q (quit)\n"
501 "================================================================================"
502 );
503
504 while ( 1 ) {
505 fgets(_line, sizeof(_line), stdin);
506 int i;
507
508 for (i = 0; i < 100; i++) {
509 if (_line[i] == '\n') {
510 _line[i] = '\0';
511 }
512 }
513
514 _len = strlen(_line);
515
516 if ( !_len ) {
517 printf(" >> ");
518 fflush(stdout);
519 continue;
520 }
521
522 if ( _len > 1 && _line[1] != ' ' && _line[1] != '\n' ) {
523 INFO("Invalid input!");
524 continue;
525 }
526
527 switch (_line[0]) {
528
529 case 'c': {
530 if ( _phone->_msi->_call ) {
531 INFO("Already in a call");
532 break;
533 }
534
535 call_type _ctype;
536
537 if ( _len < 11 ) {
538 INFO("Invalid input; usage: c a/v 0.0.0.0");
539 break;
540 } else if ( _line[2] == 'a' || _line[2] != 'v' ) { /* default and audio */
541 _ctype = type_audio;
542 } else { /* video */
543 _ctype = type_video;
544 }
545
546 strcpy(_dest, _line + 4 );
547 _status = t_setipport(_dest, _phone->_send_port, &(_phone->_msi->_friend_id));
548
549 if ( _status < 0 ) {
550 INFO("Could not resolve address!");
551 } else {
552 /* Set timeout */
553 msi_invite ( _phone->_msi, _ctype, 30 * 1000 );
554 INFO("Calling!");
555 }
556
557 t_memset((uint8_t *)_dest, '\0', 17);
558
559 }
560 break;
561
562 case 'h': {
563 if ( !_phone->_msi->_call ) {
564 break;
565 }
566
567 msi_hangup(_phone->_msi);
568
569 INFO("Hung up...");
570
571 }
572 break;
573
574 case 'a': {
575 if ( _phone->_msi->_call && _phone->_msi->_call->_state != call_starting ) {
576 break;
577 }
578
579 if ( _len > 1 && _line[2] == 'v' )
580 msi_answer(_phone->_msi, type_video);
581 else
582 msi_answer(_phone->_msi, type_audio);
583
584 }
585 break;
586
587 case 'r': {
588 if ( _phone->_msi->_call && _phone->_msi->_call->_state != call_starting ) {
589 break;
590 }
591
592 msi_reject(_phone->_msi);
593
594 INFO("Call Rejected...");
595
596 }
597 break;
598
599 case 'q': {
600 INFO("Quitting!");
601 pthread_exit(NULL);
602 }
603
604 default: {
605 INFO("Invalid command!");
606 }
607 break;
608
609 }
610
611 usleep(1000);
612 }
613
614 pthread_exit(NULL);
615}
616
617int quitPhone(phone_t *_phone)
618{
619 if ( _phone->_msi->_call ) {
620 msi_hangup(_phone->_msi); /* Hangup the phone first */
621 }
622
623 msi_terminate_session(_phone->_msi);
624 pthread_mutex_destroy ( &_mutex );
625
626 printf("\r[i] Quit!\n");
627 return SUCCESS;
628}
629
630/* ---------------------- */
631
632int print_help ( const char *_name )
633{
634 printf ( "Usage: %s -m (mode) -r/s ( for setting the ports on test version )\n", _name );
635 return FAILURE;
636}
637
638int main ( int argc, char *argv [] )
639{
640 arg_t *_args = parse_args ( argc, argv );
641
642 const char *_mode = find_arg_duble ( _args, "-m" );
643 uint16_t _listen_port;
644 uint16_t _send_port;
645
646 if ( !_mode )
647 return print_help ( argv[0] );
648
649 if ( _mode[0] == 'r' ) {
650 _send_port = 31000;
651 _listen_port = 31001;
652 } else if ( _mode[0] == 's' ) {
653 _send_port = 31001;
654 _listen_port = 31000;
655 } else return print_help ( argv[0] );
656
657 phone_t *_phone = initPhone(_listen_port, _send_port);
658
659 if ( _phone ) {
660 phone_startmain_loop(_phone);
661
662 quitPhone(_phone);
663 }
664
665 return SUCCESS;
666}
667
668#endif /* _CT_PHONE */
diff --git a/toxmsi/phone.h b/toxmsi/phone.h
deleted file mode 100644
index f96aac73..00000000
--- a/toxmsi/phone.h
+++ /dev/null
@@ -1,62 +0,0 @@
1#ifndef _PHONE_H_
2#define _PHONE_H_
3
4#include "toxmsi.h"
5#include "../toxrtp/toxrtp.h"
6#include "toxmsi_message.h"
7#include "../toxrtp/toxrtp_message.h"
8#include "../toxrtp/tests/test_helper.h"
9#include <assert.h>
10#include <pthread.h>
11#include "toxmedia.h"
12
13/* Define client version */
14#define _USERAGENT "tox_phone-v.0.2.1"
15
16static pthread_mutex_t _mutex;
17
18#define THREADLOCK() \
19pthread_mutex_lock ( &_mutex );
20
21#define THREADUNLOCK() \
22pthread_mutex_unlock ( &_mutex );
23
24typedef struct phone_s {
25 msi_session_t* _msi;
26
27 rtp_session_t* _rtp_audio;
28 rtp_session_t* _rtp_video;
29
30 uint32_t _frame_rate;
31
32 uint16_t _send_port, _recv_port;
33
34 int _tox_sock;
35
36 pthread_t _medialoop_id;
37 codec_state *cs;
38
39 Networking_Core* _networking;
40} phone_t;
41
42phone_t* initPhone(uint16_t _listen_port, uint16_t _send_port);
43int quitPhone(phone_t* _phone);
44
45/* My recv functions */
46int rtp_handlepacket ( void* _object, tox_IP_Port ip_port, uint8_t* data, uint32_t length );
47int msi_handlepacket ( void* _object, tox_IP_Port ip_port, uint8_t* data, uint32_t length );
48
49/* This is basically representation of networking_poll of toxcore */
50void* phone_receivepacket ( void* _phone );
51
52/* Phones main loop */
53void* phone_poll ( void* _phone );
54
55pthread_t phone_startmain_loop(phone_t* _phone);
56pthread_t phone_startmedia_loop ( phone_t* _phone );
57
58/* Thread handlers */
59void* phone_handle_receive_callback ( void* _p );
60void* phone_handle_media_transport_poll ( void* _hmtc_args_p );
61
62#endif /* _PHONE_H_ */
diff --git a/toxmsi/toxmsi.c b/toxmsi/toxmsi.c
deleted file mode 100644
index 38af28fb..00000000
--- a/toxmsi/toxmsi.c
+++ /dev/null
@@ -1,835 +0,0 @@
1
2#ifdef HAVE_CONFIG_H
3#include "config.h"
4#endif /* HAVE_CONFIG_H */
5
6#define _BSD_SOURCE
7
8#include "toxmsi.h"
9#include "toxmsi_event.h"
10#include "toxmsi_message.h"
11#include "../toxrtp/toxrtp_helper.h"
12#include "../toxcore/network.h"
13
14#include <assert.h>
15#include <unistd.h>
16#include <string.h>
17
18#define same(x, y) strcmp((const char*) x, (const char*) y) == 0
19
20typedef enum {
21 error_deadcall = 1, /* has call id but it's from old call */
22 error_id_mismatch, /* non-existing call */
23
24 error_no_callid, /* not having call id */
25 error_no_call, /* no call in session */
26
27 error_busy
28} msi_error_t; /* Error codes */
29
30static inline const uint8_t *stringify_error(msi_error_t _error_code)
31{
32 static const uint8_t* strings[] =
33 {
34 (uint8_t*)"",
35 (uint8_t*)"Using dead call",
36 (uint8_t*)"Call id not set to any call",
37 (uint8_t*)"Call id not available",
38 (uint8_t*)"No active call in session",
39 (uint8_t*)"Callee busy"
40 };
41
42 return strings[_error_code];
43}
44
45static inline const uint8_t *stringify_error_code(msi_error_t _error_code)
46{
47 static const uint8_t* strings[] =
48 {
49 (uint8_t*)"",
50 (uint8_t*)"1",
51 (uint8_t*)"2",
52 (uint8_t*)"3",
53 (uint8_t*)"4",
54 (uint8_t*)"5"
55 };
56
57 return strings[_error_code];
58}
59
60/* ******************* */
61/* --------- GLOBAL FUNCTIONS USED BY THIS FILE --------- */
62
63/* CALLBACKS */
64/*int (*msi_send_message_callback) ( int, uint8_t*, uint32_t ) = NULL;*/
65int ( *msi_send_message_callback ) ( void* _core_handler, tox_IP_Port, uint8_t*, uint32_t ) = NULL;
66int ( *msi_recv_message_callback ) ( tox_IP_Port*, uint8_t*, uint32_t* ) = NULL;
67
68MCBTYPE ( *msi_recv_invite_callback ) ( MCBARGS ) = NULL;
69MCBTYPE ( *msi_start_call_callback ) ( MCBARGS ) = NULL;
70MCBTYPE ( *msi_reject_call_callback ) ( MCBARGS ) = NULL;
71MCBTYPE ( *msi_cancel_call_callback ) ( MCBARGS ) = NULL;
72MCBTYPE ( *msi_end_call_callback ) ( MCBARGS ) = NULL;
73
74MCBTYPE ( *msi_ringing_callback ) ( MCBARGS ) = NULL;
75MCBTYPE ( *msi_starting_callback ) ( MCBARGS ) = NULL;
76MCBTYPE ( *msi_ending_callback ) ( MCBARGS ) = NULL;
77MCBTYPE ( *msi_error_callback ) ( MCBARGS ) = NULL;
78
79MCBTYPE ( *msi_timeout_callback ) ( MCBARGS ) = NULL;
80/* End of CALLBACKS */
81
82/*------------------------*/
83/*------------------------*/
84/*------------------------*/
85/*------------------------*/
86/*------------------------*/
87/*------------------------*/
88/*------------------------*/
89/*------------------------*/
90/*------------------------*/
91/*------------------------*/
92/*------------------------*/
93/*------------------------*/
94
95/* REGISTER CALLBACKS */
96/*void msi_register_callback_send(int (*callback) ( int, uint8_t*, uint32_t ) )*/
97void msi_register_callback_send ( int ( *callback ) ( void* _core_handler, tox_IP_Port, uint8_t*, uint32_t ) )
98{
99 msi_send_message_callback = callback;
100}
101
102void msi_register_callback_recv ( int ( *callback ) ( tox_IP_Port*, uint8_t*, uint32_t* ) )
103{
104 msi_recv_message_callback = callback;
105}
106
107/* Function to be called when received invite.
108 * This callback is all about what you do with it.
109 * Everything else is done internally.
110 */
111void msi_register_callback_recv_invite ( MCALLBACK )
112{
113 msi_recv_invite_callback = callback;
114}
115
116/* Function to be called when the call is started
117 * This callback is all about what you do with it.
118 * Everything else is done internally.
119 */
120void msi_register_callback_call_started ( MCALLBACK )
121{
122 msi_start_call_callback = callback;
123}
124
125/* Function to be called when call is rejected
126 * This callback is all about what you do with it.
127 * Everything else is done internally.
128 */
129void msi_register_callback_call_rejected ( MCALLBACK )
130{
131 msi_reject_call_callback = callback;
132}
133
134/* Function to be called when call is canceled
135 * This callback is all about what you do with it.
136 * Everything else is done internally.
137 */
138void msi_register_callback_call_canceled ( MCALLBACK )
139{
140 msi_cancel_call_callback = callback;
141}
142
143void msi_register_callback_call_ended ( MCALLBACK )
144{
145 msi_end_call_callback = callback;
146}
147
148
149/* Functions to be called when gotten x response */
150
151void msi_register_callback_recv_ringing ( MCALLBACK )
152{
153 msi_ringing_callback = callback;
154}
155void msi_register_callback_recv_starting ( MCALLBACK )
156{
157 msi_starting_callback = callback;
158}
159void msi_register_callback_recv_ending ( MCALLBACK )
160{
161 msi_ending_callback = callback;
162}
163
164void msi_register_callback_recv_error ( MCALLBACK )
165{
166 msi_error_callback = callback;
167}
168
169/* Timeout */
170void msi_register_callback_requ_timeout ( MCALLBACK )
171{
172 msi_timeout_callback = callback;
173}
174/* END REGISTERING */
175
176/*------------------------*/
177/*------------------------*/
178/*------------------------*/
179/*------------------------*/
180/*------------------------*/
181/*------------------------*/
182/*------------------------*/
183/*------------------------*/
184/*------------------------*/
185/*------------------------*/
186/*------------------------*/
187/*------------------------*/
188
189/* Function for receiving and parsing a message that will be used internally */
190
191msi_msg_t* receive_message ( msi_session_t* _session )
192{
193 assert(_session);
194
195
196 msi_msg_t* _retu = _session->_oldest_msg;
197
198 pthread_mutex_lock ( &_session->_mutex );
199
200 if ( _retu )
201 _session->_oldest_msg = _retu->_next;
202
203 if ( !_session->_oldest_msg )
204 _session->_last_msg = NULL;
205
206 pthread_mutex_unlock ( &_session->_mutex );
207
208 return _retu;
209}
210
211void msi_store_msg ( msi_session_t* _session, msi_msg_t* _msg )
212{
213 assert(_session);
214 assert(_msg);
215
216 pthread_mutex_lock ( &_session->_mutex );
217
218 if ( _session->_last_msg ) {
219 _session->_last_msg->_next = _msg;
220 _session->_last_msg = _msg;
221 } else {
222 _session->_last_msg = _session->_oldest_msg = _msg;
223 }
224
225 pthread_mutex_unlock ( &_session->_mutex );
226}
227
228int msi_send_msg ( msi_session_t* _session, msi_msg_t* _msg )
229{
230 int _status;
231
232 if ( !_session->_call ) /* Which should never happen */
233 return FAILURE;
234
235 msi_msg_set_call_id ( _msg, _session->_call->_id );
236
237 uint8_t _msg_string_final [MSI_MAXMSG_SIZE];
238 t_memset ( _msg_string_final, '\0', MSI_MAXMSG_SIZE );
239
240 _msg_string_final[0] = 69;
241
242 uint8_t* _msg_string = msi_msg_to_string ( _msg );
243
244 size_t _lenght = t_memlen ( _msg_string );
245
246 memcpy ( _msg_string_final + 1, _msg_string, _lenght );
247
248 _lenght += 1;
249
250 _status = ( *msi_send_message_callback ) ( _session->_core_handler, _session->_friend_id, _msg_string_final, _lenght );
251
252 free ( _msg_string );
253
254 return _status;
255}
256
257/* Random stuff */
258void flush_peer_type ( msi_session_t* _session, msi_msg_t* _msg, int _peer_id )
259{
260 if ( _msg->_call_type ) {
261 if ( strcmp ( ( const char* ) _msg->_call_type->_header_value, CT_AUDIO_HEADER_VALUE ) == 0 ) {
262 _session->_call->_type_peer[_peer_id] = type_audio;
263
264 } else if ( strcmp ( ( const char* ) _msg->_call_type->_header_value, CT_VIDEO_HEADER_VALUE ) == 0 ) {
265 _session->_call->_type_peer[_peer_id] = type_video;
266 } else {} /* Error */
267 } else {} /* Error */
268}
269
270int has_call_error ( msi_session_t* _session, msi_msg_t* _msg )
271{
272 msi_msg_t* _msg_error = msi_msg_new ( TYPE_RESPONSE, stringify_response ( _error ) );
273
274 if ( !_msg->_call_id ) {
275 msi_msg_set_reason(_msg_error, stringify_error_code(error_no_callid) );
276
277 } else if ( !_session->_call ) {
278 msi_msg_set_reason(_msg_error, stringify_error_code(error_no_call) );
279
280 } else if ( strcmp((const char*)_session->_call->_id, (const char*)_msg->_call_id->_header_value ) != 0 ) {
281 msi_msg_set_reason(_msg_error, stringify_error_code(error_id_mismatch) );
282 }
283
284 if ( _msg_error->_reason ) {
285 msi_send_msg ( _session, _msg_error );
286 msi_free_msg ( _msg_error );
287 return SUCCESS;
288 }
289
290 msi_free_msg ( _msg_error );
291 return FAILURE;
292}
293
294/* --------- END OF GLOBAL FUNCTIONS USED BY THIS FILE --------- */
295
296/*------------------------*/
297/*------------------------*/
298/*------------------------*/
299/*------------------------*/
300/*------------------------*/
301/*------------------------*/
302/*------------------------*/
303/*------------------------*/
304/*------------------------*/
305/*------------------------*/
306/*------------------------*/
307/*------------------------*/
308
309msi_session_t* msi_init_session ( void* _core_handler, const uint8_t* _user_agent )
310{
311 assert(_core_handler);
312 assert(_user_agent);
313
314 msi_session_t* _session = calloc ( sizeof ( msi_session_t ), 1 );
315 assert(_session);
316
317 _session->_oldest_msg = _session->_last_msg = NULL;
318 _session->_core_handler = _core_handler;
319
320 _session->_user_agent = t_strallcpy ( _user_agent );
321 _session->_agent_handler = NULL;
322
323 _session->_key = 0;
324 _session->_call = NULL;
325
326 _session->_frequ = 10000; /* default value? */
327 _session->_call_timeout = 30000; /* default value? */
328
329 /* Use the same frequency */
330 _session->_event_handler = init_event_poll ( _session->_frequ );
331
332 pthread_mutex_init ( &_session->_mutex, NULL );
333
334 return _session;
335}
336
337int msi_terminate_session ( msi_session_t* _session )
338{
339 assert(_session);
340
341 int _status = 0;
342
343 terminate_event_poll ( _session->_event_handler );
344 free ( _session );
345 /* TODO: terminate the rest of the session */
346
347 pthread_mutex_destroy ( &_session->_mutex );
348
349 return _status;
350}
351
352msi_call_t* msi_init_call ( msi_session_t* _session, int _peers, uint32_t _timeoutms )
353{
354 assert(_session);
355 assert(_peers);
356
357 msi_call_t* _call = calloc ( sizeof ( msi_call_t ), 1 );
358 _call->_type_peer = calloc ( sizeof ( call_type ), _peers );
359
360 assert(_call);
361 assert(_call->_type_peer);
362
363 _call->_participants = _peers;
364 _call->_key = _session->_key;
365 _call->_timeoutst = _timeoutms;
366 _call->_outgoing_timer_id = 0;
367
368 return _call;
369}
370
371int msi_terminate_call ( msi_session_t* _session )
372{
373 assert(_session);
374
375 if ( _session->_call->_type_peer )
376 free ( _session->_call->_type_peer );
377
378 cancel_timer_event(_session->_event_handler, _session->_call->_outgoing_timer_id);
379
380 free ( _session->_call );
381
382 _session->_call = NULL;
383
384 return SUCCESS;
385}
386/*------------------------*/
387/*------------------------*/
388/*------------------------*/
389/*------------------------*/
390/*------------------------*/
391/*------------------------*/
392/*------------------------*/
393/*------------------------*/
394/*------------------------*/
395/*------------------------*/
396/*------------------------*/
397/*------------------------*/
398
399/* STATE HANDLERS */
400
401/* REQUESTS */
402int msi_handle_recv_invite ( msi_session_t* _session, msi_msg_t* _msg )
403{
404 assert(_session);
405
406 if ( _session->_call ) {
407 msi_msg_t* _msg_error = msi_msg_new ( TYPE_RESPONSE, stringify_response ( _error ) );
408 msi_msg_set_reason(_msg_error, stringify_error_code(error_busy));
409 msi_send_msg(_session, _msg_error);
410 msi_free_msg(_msg_error);
411
412 return 0;
413 }
414 if ( !_msg->_call_id ) {
415 msi_msg_t* _msg_error = msi_msg_new ( TYPE_RESPONSE, stringify_response ( _error ) );
416 msi_msg_set_reason(_msg_error, stringify_error_code(error_no_callid));
417 msi_send_msg(_session, _msg_error);
418 msi_free_msg(_msg_error);
419 return 0;
420 }
421
422 _session->_call = msi_init_call ( _session, 1, _session->_call_timeout );
423 t_memcpy(_session->_call->_id, _msg->_call_id->_header_value, _CALL_ID_LEN);
424 _session->_call->_state = call_starting;
425
426 flush_peer_type ( _session, _msg, 0 );
427
428 msi_msg_t* _msg_ringing = msi_msg_new ( TYPE_RESPONSE, stringify_response ( _ringing ) );
429 msi_send_msg ( _session, _msg_ringing );
430 msi_free_msg ( _msg_ringing );
431
432 throw_event ( _session->_event_handler, msi_recv_invite_callback, _session );
433 return 1;
434}
435int msi_handle_recv_start ( msi_session_t* _session, msi_msg_t* _msg )
436{
437 assert(_session);
438
439 if ( has_call_error(_session, _msg) == 0 )
440 return 0;
441
442 _session->_call->_state = call_active;
443
444 flush_peer_type ( _session, _msg, 0 );
445
446 throw_event ( _session->_event_handler, msi_start_call_callback, _session );
447 return 1;
448}
449int msi_handle_recv_reject ( msi_session_t* _session, msi_msg_t* _msg )
450{
451 assert(_session);
452
453 if ( has_call_error(_session, _msg) == 0 )
454 return 0;
455
456 msi_msg_t* _msg_end = msi_msg_new ( TYPE_REQUEST, stringify_request ( _end ) );
457 msi_send_msg ( _session, _msg_end );
458 msi_free_msg ( _msg_end );
459
460 throw_event ( _session->_event_handler, msi_reject_call_callback, _session );
461
462 return 1;
463}
464int msi_handle_recv_cancel ( msi_session_t* _session, msi_msg_t* _msg )
465{
466 assert(_session);
467
468 if ( has_call_error(_session, _msg) == 0 )
469 return 0;
470
471 msi_msg_t* _msg_ending = msi_msg_new ( TYPE_RESPONSE, stringify_response ( _ending ) );
472 msi_send_msg ( _session, _msg_ending );
473 msi_free_msg ( _msg_ending );
474
475 msi_terminate_call ( _session );
476
477 throw_event ( _session->_event_handler, msi_cancel_call_callback, _session );
478
479 return 1;
480}
481int msi_handle_recv_end ( msi_session_t* _session, msi_msg_t* _msg )
482{
483 assert(_session);
484
485 if ( has_call_error(_session, _msg) == 0 )
486 return 0;
487
488 msi_msg_t* _msg_ending = msi_msg_new ( TYPE_RESPONSE, stringify_response ( _ending ) );
489 msi_send_msg ( _session, _msg_ending );
490 msi_free_msg ( _msg_ending );
491
492 msi_terminate_call ( _session );
493
494 throw_event ( _session->_event_handler, msi_end_call_callback, _session );
495
496 return 1;
497}
498/*--------*/
499
500/* RESPONSES */
501int msi_handle_recv_ringing ( msi_session_t* _session, msi_msg_t* _msg )
502{
503 assert(_session);
504
505 if ( has_call_error(_session, _msg) == 0 )
506 return 0;
507
508 throw_event ( _session->_event_handler, msi_ringing_callback, _session );
509
510 return 1;
511}
512int msi_handle_recv_starting ( msi_session_t* _session, msi_msg_t* _msg )
513{
514 assert(_session);
515
516 if ( has_call_error(_session, _msg) == 0 )
517 return 0;
518
519 _session->_call->_state = call_active;
520
521 msi_msg_t* _msg_start = msi_msg_new ( TYPE_REQUEST, stringify_request ( _start ) );
522 msi_send_msg ( _session, _msg_start );
523 msi_free_msg ( _msg_start );
524
525 flush_peer_type ( _session, _msg, 0 );
526
527 throw_event ( _session->_event_handler, msi_starting_callback, _session );
528 cancel_timer_event(_session->_event_handler, _session->_call->_outgoing_timer_id);
529 _session->_call->_outgoing_timer_id = 0;
530
531 return 1;
532}
533int msi_handle_recv_ending ( msi_session_t* _session, msi_msg_t* _msg )
534{
535 assert(_session);
536
537 if ( has_call_error(_session, _msg) == 0 )
538 return 0;
539
540 msi_terminate_call ( _session );
541 throw_event ( _session->_event_handler, msi_ending_callback, _session );
542
543 return 1;
544}
545int msi_handle_recv_error ( msi_session_t* _session, msi_msg_t* _msg )
546{
547 assert(_session);
548 assert(_session->_call);
549
550 /* Handle error accordingly */
551 if ( _msg->_reason ) {
552 _session->_last_error_id = atoi((const char*)_msg->_reason->_header_value);
553 _session->_last_error_str = stringify_error(_session->_last_error_id);
554 }
555
556 msi_terminate_call(_session);
557
558 throw_event ( _session->_event_handler, msi_error_callback, _session );
559
560 return 1;
561}
562/* ------------------ */
563
564MCBTYPE msi_handle_timeout (void* _arg)
565{
566 msi_session_t* _session = _arg;
567 msi_terminate_call(_session);
568
569 (*msi_timeout_callback) (_arg);
570 (*msi_ending_callback) (_arg);
571
572}
573
574/*------------------------*/
575/*------------------------*/
576/*------------------------*/
577/*------------------------*/
578/*------------------------*/
579/*------------------------*/
580/*------------------------*/
581/*------------------------*/
582/*------------------------*/
583/*------------------------*/
584/*------------------------*/
585/*------------------------*/
586
587int msi_invite ( msi_session_t* _session, call_type _call_type, uint32_t _timeoutms )
588{
589 assert(_session);
590
591 if ( !msi_send_message_callback )
592 return 0;
593
594 msi_msg_t* _msg_invite = msi_msg_new ( TYPE_REQUEST, stringify_request ( _invite ) );
595
596 _session->_call = msi_init_call ( _session, 1, _timeoutms ); /* Just one for now */
597 msi_genterate_call_id(_session->_call->_id, _CALL_ID_LEN);
598 _session->_call->_type_local = _call_type;
599 /* Do whatever with message */
600
601 if ( _call_type == type_audio ) {
602 msi_msg_set_call_type ( _msg_invite, ( const uint8_t* ) CT_AUDIO_HEADER_VALUE );
603 } else {
604 msi_msg_set_call_type ( _msg_invite, ( const uint8_t* ) CT_VIDEO_HEADER_VALUE );
605 }
606
607 msi_send_msg ( _session, _msg_invite );
608 msi_free_msg ( _msg_invite );
609
610 _session->_call->_state = call_inviting;
611
612 _session->_call->_outgoing_timer_id = throw_timer_event(_session->_event_handler, msi_handle_timeout, _session, _timeoutms );
613
614 return 1;
615}
616int msi_hangup ( msi_session_t* _session )
617{
618 assert(_session);
619
620 if ( !_session->_call || ( !msi_send_message_callback && _session->_call->_state != call_active ) )
621 return 0;
622
623 msi_msg_t* _msg_ending = msi_msg_new ( TYPE_REQUEST, stringify_request ( _end ) );
624 msi_send_msg ( _session, _msg_ending );
625 msi_free_msg ( _msg_ending );
626
627 return 1;
628}
629
630
631int msi_answer ( msi_session_t* _session, call_type _call_type )
632{
633 assert(_session);
634
635 if ( !msi_send_message_callback || !_session->_call )
636 return 0;
637
638 msi_msg_t* _msg_starting = msi_msg_new ( TYPE_RESPONSE, stringify_response ( _starting ) );
639 _session->_call->_type_local = _call_type;
640
641 if ( _call_type == type_audio ) {
642 msi_msg_set_call_type ( _msg_starting, ( const uint8_t* ) CT_AUDIO_HEADER_VALUE );
643 } else {
644 msi_msg_set_call_type ( _msg_starting, ( const uint8_t* ) CT_VIDEO_HEADER_VALUE );
645 }
646
647 msi_send_msg ( _session, _msg_starting );
648 msi_free_msg ( _msg_starting );
649
650 _session->_call->_state = call_active;
651 return 1;
652}
653int msi_cancel ( msi_session_t* _session )
654{
655 assert(_session);
656
657 if ( !_session->_call || !msi_send_message_callback )
658 return 0;
659
660 msi_msg_t* _msg_cancel = msi_msg_new ( TYPE_REQUEST, stringify_request ( _cancel ) );
661 msi_send_msg ( _session, _msg_cancel );
662 msi_free_msg ( _msg_cancel );
663
664
665
666 return 1;
667}
668int msi_reject ( msi_session_t* _session )
669{
670 assert(_session);
671
672 if ( !_session->_call || !msi_send_message_callback )
673 return 0;
674
675 msi_msg_t* _msg_reject = msi_msg_new ( TYPE_REQUEST, stringify_request ( _reject ) );
676 msi_send_msg ( _session, _msg_reject );
677 msi_free_msg ( _msg_reject );
678
679 return 1;
680}
681
682/*------------------------*/
683/*------------------------*/
684/*------------------------*/
685/*------------------------*/
686/*------------------------*/
687/*------------------------*/
688/*------------------------*/
689/*------------------------*/
690/*------------------------*/
691/*------------------------*/
692/*------------------------*/
693/*------------------------*/
694
695/* OUR MAIN POOL FUNCTION */
696/*
697 * Forks it self to other thread and then handles the session initiation.
698 *
699 * BASIC call flow:
700 *
701 * ALICE BOB
702 * | invite --> |
703 * | |
704 * | <-- ringing |
705 * | |
706 * | <-- starting |
707 * | |
708 * | start --> |
709 * | |
710 * | <-- MEDIA TRANS --> |
711 * | |
712 * | end --> |
713 * | |
714 * | <-- ending |
715 *
716 * Alice calls Bob by sending invite packet.
717 * Bob recvs the packet and sends an ringing packet;
718 * which notifies Alice that her invite is acknowledged.
719 * Ringing screen shown on both sides.
720 * Bob accepts the invite for a call by sending starting packet.
721 * Alice recvs the starting packet and sends the started packet to
722 * inform Bob that she recved the starting packet.
723 * Now the media transmission is established ( i.e. RTP transmission ).
724 * Alice hangs up and sends end packet.
725 * Bob recves the end packet and sends ending packet
726 * as the acknowledgement that the call is ending.
727 *
728 *
729 */
730
731
732/*
733 * Needs a bit more work on the protocol
734 */
735void* msi_poll_stack ( void* _session_p )
736{
737 msi_session_t* _session = ( msi_session_t* ) _session_p;
738 msi_msg_t* _msg = NULL;
739
740 uint32_t* _frequ = &_session->_frequ;
741 while ( _session ) {
742
743 /* At this point it's already parsed */
744 _msg = receive_message ( _session );
745
746 if ( _msg ) {
747
748 if ( _msg->_request ) { /* Handle request */
749
750 const uint8_t* _request_value = _msg->_request->_header_value;
751
752 if ( same ( _request_value, stringify_request ( _invite ) ) ) {
753 msi_handle_recv_invite ( _session, _msg );
754
755 } else if ( same ( _request_value, stringify_request ( _start ) ) ) {
756 msi_handle_recv_start ( _session, _msg );
757
758 } else if ( same ( _request_value, stringify_request ( _cancel ) ) ) {
759 msi_handle_recv_cancel ( _session, _msg );
760
761 } else if ( same ( _request_value, stringify_request ( _reject ) ) ) {
762 msi_handle_recv_reject ( _session, _msg );
763
764 } else if ( same ( _request_value, stringify_request ( _end ) ) ) {
765 msi_handle_recv_end ( _session, _msg );
766 }
767
768 } else if ( _msg->_response ) { /* Handle response */
769
770 const uint8_t* _response_value = _msg->_response->_header_value;
771
772 if ( same ( _response_value, stringify_response ( _ringing ) ) ) {
773 msi_handle_recv_ringing ( _session, _msg );
774
775 } else if ( same ( _response_value, stringify_response ( _starting ) ) ) {
776 msi_handle_recv_starting ( _session, _msg );
777
778 } else if ( same ( _response_value, stringify_response ( _ending ) ) ) {
779 msi_handle_recv_ending ( _session, _msg );
780
781 } else if ( same ( _response_value, stringify_response ( _error ) ) ) {
782 msi_handle_recv_error ( _session, _msg );
783 }
784
785 }
786
787 msi_free_msg ( _msg );
788
789 }
790 usleep ( *_frequ );
791 }
792
793 return NULL;
794}
795
796/*------------------------*/
797/*------------------------*/
798/*------------------------*/
799/*------------------------*/
800/*------------------------*/
801/*------------------------*/
802/*------------------------*/
803/*------------------------*/
804/*------------------------*/
805/*------------------------*/
806/*------------------------*/
807/*------------------------*/
808
809/* Easy way to start the poll */
810
811pthread_t msi_start_main_loop ( msi_session_t* _session, uint32_t _frequms )
812{
813 assert(_session);
814
815 int _status;
816 pthread_t _thread_id;
817
818
819 _session->_frequ = _frequms * 1000;
820
821 _status = pthread_create ( &_thread_id, NULL, msi_poll_stack, _session );
822
823 if ( _status < 0 ) {
824 printf ( "Error while starting main loop: %d, %s\n", errno, strerror ( errno ) );
825 return _status;
826 }
827
828 _status = pthread_detach ( _thread_id );
829
830 if ( _status < 0 ) {
831 printf ( "Error while starting main loop: %d, %s\n", errno, strerror ( errno ) );
832 }
833
834 return _thread_id;
835}
diff --git a/toxmsi/toxmsi.h b/toxmsi/toxmsi.h
deleted file mode 100644
index d8985c64..00000000
--- a/toxmsi/toxmsi.h
+++ /dev/null
@@ -1,145 +0,0 @@
1/* msi_initiation.h
2*
3* Has function for session initiation along with session description.
4* It follows the Tox API ( http://wiki.tox.im/index.php/Messaging_Protocol ). !Red!
5*
6*
7* Copyright (C) 2013 Tox project All Rights Reserved.
8*
9* This file is part of Tox.
10*
11* Tox is free software: you can redistribute it and/or modify
12* it under the terms of the GNU General Public License as published by
13* the Free Software Foundation, either version 3 of the License, or
14* (at your option) any later version.
15*
16* Tox is distributed in the hope that it will be useful,
17* but WITHOUT ANY WARRANTY; without even the implied warranty of
18* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19* GNU General Public License for more details.
20*
21* You should have received a copy of the GNU General Public License
22* along with Tox. If not, see <http://www.gnu.org/licenses/>.
23*
24*/
25
26
27#ifndef _MSI_IMPL_H_
28#define _MSI_IMPL_H_
29
30#include <inttypes.h>
31#include "tox.h"
32#include <pthread.h>
33
34#define MCBTYPE void
35#define MCBARGS void* _arg
36#define MCALLBACK MCBTYPE(*callback)(void* _arg)
37
38#define MSI_PACKET 69
39
40#define CT_AUDIO_HEADER_VALUE "AUDIO"
41#define CT_VIDEO_HEADER_VALUE "VIDEO"
42
43/* define size for call_id */
44#define _CALL_ID_LEN 12
45
46typedef enum {
47 type_audio = 1,
48 type_video,
49} call_type;
50
51typedef enum {
52 call_inviting, /* when sending call invite */
53 call_starting, /* when getting call invite */
54 call_active,
55 call_hold
56
57} call_state;
58
59typedef int crypto_key;
60
61typedef struct msi_call_s { /* Call info structure */
62 call_state _state;
63 call_type _type_local;
64 call_type* _type_peer; /* Support for conference starts with this */
65 uint8_t _id[_CALL_ID_LEN]; /* Random value identifying the call */
66 crypto_key _key; /* What is the type again? */
67 uint16_t _participants; /* Number of participants */
68 uint32_t _timeoutst; /* Time of the timeout for some action to end; 0 if infinite */
69 int _outgoing_timer_id; /* Timer id */
70
71} msi_call_t;
72
73typedef struct msi_session_s {
74 pthread_mutex_t _mutex;
75
76 crypto_key _key; /* The key */
77
78 /* Call information/handler. ( Maybe only information? ) */
79 msi_call_t* _call;
80
81 /* Storage for message receiving */
82 struct msi_msg_s* _oldest_msg;
83 struct msi_msg_s* _last_msg; /* tail */
84
85 /*int _friend_id;*/
86 tox_IP_Port _friend_id;
87
88 int _last_error_id; /* Determine the last error */
89 const uint8_t* _last_error_str;
90
91 const uint8_t* _user_agent;
92
93 void* _agent_handler; /* Pointer to an object that is handling msi */
94 void* _core_handler; /* Pointer to networking core or to anything that
95 * should handle interaction with core/networking
96 */
97 void* _event_handler; /* Pointer to an object which handles the events */
98
99 uint32_t _frequ;
100 uint32_t _call_timeout; /* Time of the timeout for some action to end; 0 if infinite */
101} msi_session_t;
102
103
104
105msi_session_t* msi_init_session ( void* _core_handler, const uint8_t* _user_agent );
106int msi_terminate_session ( msi_session_t* _session );
107
108pthread_t msi_start_main_loop ( msi_session_t* _session, uint32_t _frequms );
109
110/* Registering callbacks */
111
112/*void msi_register_callback_send(int (*callback) ( int, uint8_t*, uint32_t ) );*/
113void msi_register_callback_send ( int ( *callback ) ( void* _core_handler, tox_IP_Port, uint8_t*, uint32_t ) );
114
115/* Callbacks that handle the states */
116void msi_register_callback_call_started ( MCALLBACK );
117void msi_register_callback_call_canceled ( MCALLBACK );
118void msi_register_callback_call_rejected ( MCALLBACK );
119void msi_register_callback_call_ended ( MCALLBACK );
120
121void msi_register_callback_recv_invite ( MCALLBACK );
122void msi_register_callback_recv_ringing ( MCALLBACK );
123void msi_register_callback_recv_starting ( MCALLBACK );
124void msi_register_callback_recv_ending ( MCALLBACK );
125void msi_register_callback_recv_error ( MCALLBACK );
126
127void msi_register_callback_requ_timeout ( MCALLBACK );
128/* -------- */
129
130
131/* Function handling receiving from core */
132/*static int msi_handlepacket ( tox_IP_Port ip_port, uint8_t* _data, uint16_t _lenght ); */
133
134/* functions describing the usage of msi */
135int msi_invite ( msi_session_t* _session, call_type _call_type, uint32_t _timeoutms );
136int msi_hangup ( msi_session_t* _session );
137
138int msi_answer ( msi_session_t* _session, call_type _call_type );
139int msi_cancel ( msi_session_t* _session );
140int msi_reject ( msi_session_t* _session );
141
142int msi_send_msg ( msi_session_t* _session, struct msi_msg_s* _msg );
143void msi_store_msg ( msi_session_t* _session, struct msi_msg_s* _msg );
144
145#endif /* _MSI_IMPL_H_ */
diff --git a/toxmsi/toxmsi_event.c b/toxmsi/toxmsi_event.c
deleted file mode 100644
index d8c0d269..00000000
--- a/toxmsi/toxmsi_event.c
+++ /dev/null
@@ -1,214 +0,0 @@
1
2#ifdef HAVE_CONFIG_H
3#include "config.h"
4#endif /* HAVE_CONFIG_H */
5
6#include <stdlib.h>
7
8#include "toxmsi_event.h"
9
10#include "../toxrtp/toxrtp_helper.h"
11#include <assert.h>
12#include <stdlib.h>
13#include <unistd.h>
14
15static int _unique_id = 1;
16
17/* clear events */
18void clear_events (event_container_t** _event_container, size_t* _counter)
19{
20 assert( *_event_container );
21
22 free(*_event_container);
23 *_event_container = NULL;
24
25 *_counter = 0;
26}
27
28int pop_id ( event_container_t** _event_container, size_t* _counter, int _id )
29{
30 if ( !*_event_container || !*_counter || !_id )
31 return FAILURE;
32
33 event_container_t* _it = *_event_container;
34 int i;
35
36 for ( i = *_counter; i > 0 ; -- i ){
37 if ( _it->_id == _id ) { /* Hit! */
38 break;
39 }
40 ++_it;
41 }
42
43 if ( i ) {
44 for ( ; i > 0; -- i ){ *_it = *(_it + 1); ++_it; }
45 -- (*_counter);
46 *_event_container = realloc(*_event_container, sizeof(event_container_t) * (*_counter)); /* resize */
47
48 if ( *_counter )
49 assert(*_event_container);
50
51 return SUCCESS;
52
53 } else {
54 assert(i);
55 return FAILURE;
56 }
57}
58
59/* main poll for event execution */
60void* event_poll( void* _event_handler_p )
61{
62 event_handler_t* _event_handler = _event_handler_p;
63 uint32_t* _frequms = &_event_handler->_frequms;
64
65
66 while ( _event_handler->_running )
67 {
68
69 if ( _event_handler->_events_count ){
70 pthread_mutex_lock(&_event_handler->_mutex);
71
72 int i;
73 for ( i = 0; i < _event_handler->_events_count; i ++ ){
74 _event_handler->_events[i]._event(_event_handler->_events[i]._event_args);
75
76 }
77 clear_events(&_event_handler->_events, &_event_handler->_events_count);
78
79 pthread_mutex_unlock(&_event_handler->_mutex);
80 }
81
82 if ( _event_handler->_timed_events_count ){
83 pthread_mutex_lock(&_event_handler->_mutex);
84
85 uint32_t _time = t_time();
86
87 if ( _event_handler->_timed_events[0]._timeout < _time ) {
88 _event_handler->_timed_events[0]._event(_event_handler->_timed_events[0]._event_args);
89
90 pop_id(&_event_handler->_timed_events,
91 &_event_handler->_timed_events_count,
92 _event_handler->_timed_events[0]._id);
93 }
94 pthread_mutex_unlock(&_event_handler->_mutex);
95 }
96
97
98 usleep(*_frequms);
99 }
100
101 _event_handler->_running = -1;
102 pthread_exit(NULL);
103}
104
105void push_event ( event_container_t** _container, size_t* _counter, event_t _func, event_arg_t _arg )
106{
107 (*_counter)++;
108 (*_container) = realloc((*_container), sizeof(event_container_t) * (*_counter));
109 assert((*_container) != NULL);
110
111 (*_container[*_counter - 1])._event = _func;
112 (*_container[*_counter - 1])._event_args = _arg;
113 (*_container[*_counter - 1])._timeout = 0;
114 (*_container[*_counter - 1])._id = 0;
115}
116
117void throw_event( void* _event_handler_p, event_t _func, event_arg_t _arg )
118{
119 if ( !_func )
120 return;
121
122 event_handler_t* _event_handler = _event_handler_p;
123
124 pthread_mutex_lock(&_event_handler->_mutex);
125
126 push_event(&_event_handler->_events, &_event_handler->_events_count, _func, _arg);
127
128 pthread_mutex_unlock(&_event_handler->_mutex);
129}
130
131int throw_timer_event ( void* _event_handler_p, event_t _func, event_arg_t _arg, uint32_t _timeout)
132{
133 if ( !_func )
134 return FAILURE;
135
136 event_handler_t* _event_handler = _event_handler_p;
137
138 pthread_mutex_lock(&_event_handler->_mutex);
139
140 push_event(&_event_handler->_timed_events, &_event_handler->_timed_events_count, _func, _arg);
141 size_t _counter = _event_handler->_timed_events_count;
142 _event_handler->_timed_events[_counter - 1]._timeout = _timeout + t_time();
143 _event_handler->_timed_events[_counter - 1]._id = _unique_id; ++_unique_id;
144
145
146 /* reorder */
147 if ( _counter > 1 ) {
148
149 int i = _counter - 1;
150 /* start from behind excluding last added member */
151 event_container_t* _it = &_event_handler->_timed_events[i - 1];
152
153 event_container_t _last_added = _event_handler->_timed_events[i];
154
155 for ( ; i > 0; --i ) {
156 if ( _it->_timeout > _timeout ){
157 *(_it + 1) = *_it;
158 *_it = _last_added; -- _it;
159 }
160 }
161
162 }
163
164 pthread_mutex_unlock(&_event_handler->_mutex);
165
166 return _event_handler->_timed_events[_counter - 1]._id;
167}
168int cancel_timer_event ( void* _event_handler_p, int _id )
169{
170 event_handler_t* _event_handler = _event_handler_p;
171 return pop_id(&_event_handler->_timed_events, &_event_handler->_timed_events_count, _id);
172}
173
174event_handler_t* init_event_poll (uint32_t _frequms)
175{
176 event_handler_t* _retu = calloc(sizeof(event_handler_t), 1);
177 assert(_retu);
178 /* Initialize basic events */
179 _retu->_events = NULL ;
180
181 /* Initialize timed events */
182 _retu->_timed_events = NULL;
183
184 _retu->_frequms = _frequms;
185 _retu->_running = 1;
186 pthread_mutex_init(&_retu->_mutex, NULL);
187
188 pthread_create(&_retu->_thread_id, NULL, event_poll, _retu);
189 int _rc = pthread_detach(_retu->_thread_id);
190 assert(_rc == 0);
191
192 return _retu;
193}
194
195int terminate_event_poll(event_handler_t* _handler)
196{
197 if ( !_handler )
198 return FAILURE;
199
200 _handler->_running = 0;
201 while (_handler->_running != -1); /* Wait for execution */
202
203 if (_handler->_events)
204 clear_events(&_handler->_events, &_handler->_events_count);
205 if (_handler->_events)
206 clear_events(&_handler->_timed_events, &_handler->_timed_events_count);
207
208 pthread_mutex_destroy( &_handler->_mutex );
209
210 free(_handler);
211
212 return SUCCESS;
213}
214
diff --git a/toxmsi/toxmsi_event.h b/toxmsi/toxmsi_event.h
deleted file mode 100644
index 032e4df5..00000000
--- a/toxmsi/toxmsi_event.h
+++ /dev/null
@@ -1,46 +0,0 @@
1#ifndef _MSI__EVENT_H_
2#define _MSI__EVENT_H_
3
4#include <stddef.h>
5#include <inttypes.h>
6#include <pthread.h>
7
8typedef void* event_arg_t;
9
10typedef void ( *event_t ) ( event_arg_t );
11typedef void ( *timed_event_t ) ( event_arg_t );
12
13typedef struct event_container_s {
14 event_t _event;
15 event_arg_t _event_args;
16 uint32_t _timeout;
17 long long _id;
18
19} event_container_t;
20
21typedef struct event_handler_s {
22 event_container_t* _events;
23 size_t _events_count;
24
25 event_container_t* _timed_events;
26 size_t _timed_events_count;
27
28 uint32_t _frequms;
29 int _running;
30
31 pthread_mutex_t _mutex;
32 pthread_t _thread_id;
33
34} event_handler_t;
35
36event_handler_t* init_event_poll ( uint32_t _frequms );
37int terminate_event_poll ( event_handler_t* _event_handler );
38
39void throw_event ( void* _event_handler_p, event_t _func, event_arg_t _arg );
40
41/* Not yet ready for use */
42int throw_timer_event ( void* _event_handler_p, event_t _func, event_arg_t _arg, uint32_t _timeout);
43int cancel_timer_event ( void* _event_handler_p, int _id );
44
45
46#endif /* _MSI__EVENT_H_ */
diff --git a/toxmsi/toxmsi_header.c b/toxmsi/toxmsi_header.c
deleted file mode 100644
index 448ebc7f..00000000
--- a/toxmsi/toxmsi_header.c
+++ /dev/null
@@ -1,181 +0,0 @@
1
2#ifdef HAVE_CONFIG_H
3#include "config.h"
4#endif /* HAVE_CONFIG_H */
5
6#include "toxmsi_message.h"
7#include <string.h>
8#include "../toxrtp/toxrtp_helper.h"
9#include <assert.h>
10#include "../toxcore/Lossless_UDP.h"
11
12#define ALLOC_ADD_DATA(_tempval, _hdrlist, _fielddef, _msgvar, _alloctype) \
13_tempval = msi_search_field(_hdrlist, (const uint8_t*)_fielddef); \
14if ( _tempval ){ \
15 _msgvar = calloc(sizeof(_alloctype), 1); \
16 assert(_msgvar); \
17 _msgvar->_header_value = _tempval; \
18}
19
20uint8_t* msi_search_field ( msi_header_t* _list, const uint8_t* _field )
21{
22 assert(_list);
23 assert(_field);
24
25 msi_header_t* _iterator;
26
27 for ( _iterator = _list;
28 _iterator && strcmp((const char*)_iterator->_header_field, (const char*)_field) != 0;
29 _iterator = _iterator->next );
30
31 if ( _iterator ){
32 return t_strallcpy(_iterator->_header_value);
33 } else return NULL;
34}
35
36int msi_parse_headers ( msi_msg_t* _msg )
37{
38 assert(_msg);
39
40 if ( !_msg->_headers )
41 return FAILURE;
42
43 msi_header_t* _list = _msg->_headers;
44 uint8_t* _field_current;
45
46 ALLOC_ADD_DATA(_field_current, _list, _CALL_ID_FIELD, _msg->_call_id, msi_header_call_id_t)
47 ALLOC_ADD_DATA(_field_current, _list, _VERSION_FIELD, _msg->_version, msi_header_version_t)
48 ALLOC_ADD_DATA(_field_current, _list, _REQUEST_FIELD, _msg->_request, msi_header_request_t)
49 ALLOC_ADD_DATA(_field_current, _list, _RESPONSE_FIELD, _msg->_response, msi_header_response_t)
50 ALLOC_ADD_DATA(_field_current, _list, _FRIENDID_FIELD, _msg->_friend_id, msi_header_friendid_t)
51 ALLOC_ADD_DATA(_field_current, _list, _CALLTYPE_FIELD, _msg->_call_type, msi_header_call_type_t)
52 ALLOC_ADD_DATA(_field_current, _list, _USERAGENT_FIELD, _msg->_user_agent, msi_header_user_agent_t)
53 ALLOC_ADD_DATA(_field_current, _list, _INFO_FIELD, _msg->_info, msi_header_info_t)
54 ALLOC_ADD_DATA(_field_current, _list, _REASON_FIELD, _msg->_reason, msi_header_reason_t)
55
56 /* Since we don't need the raw header anymore remove it */
57 msi_header_t* _temp;
58 while ( _list ){
59 _temp = _list->next;
60 free(_list->_header_field);
61 free(_list->_header_value);
62 free(_list);
63 _list = _temp;
64 }
65
66 _msg->_headers = NULL;
67
68 return SUCCESS;
69}
70
71/*
72 * If you find better way of parsing values let me know
73 */
74msi_header_t* msi_add_new_header ( uint8_t* _value )
75{
76 if ( !_value )
77 return NULL;
78
79 size_t _length = t_memlen(_value);
80
81 if ( !_length ) {
82 return NULL;
83 }
84
85 size_t _first_len = t_strfind(_value, (const uint8_t*)" ");
86 if ( !_first_len ){
87 return NULL;
88 }
89
90 size_t _second_len = (_length - _first_len);
91 if ( !_second_len ){
92 return NULL;
93 }
94
95
96 uint8_t* _identifier = calloc(sizeof (uint8_t), (_first_len + 1) );
97 uint8_t* _data = calloc(sizeof (uint8_t), (_second_len + 1) );
98
99 assert(_identifier);
100 assert(_data);
101
102
103 uint8_t* _p_it = _value;
104 size_t _num_it;
105
106 for ( _num_it = 0; *_p_it != ' '; _num_it++ ){
107 _identifier[_num_it] = *_p_it;
108 ++_p_it;
109 }
110 _identifier[_num_it] = '\0';
111 ++_p_it;
112
113
114 for ( _num_it = 0; *_p_it != '\r'; _num_it++ ){
115 _data[_num_it] = *_p_it;
116 ++_p_it;
117 }
118 _data[_num_it] = '\r';
119 _data[_num_it + 1] = '\0';
120
121 msi_header_t* _retu = calloc(sizeof(msi_header_t), 1);
122 assert(_retu);
123
124 _retu->_header_field = _identifier;
125 _retu->_header_value = _data;
126
127 _retu->next = NULL;
128
129 return _retu;
130}
131
132msi_header_t* msi_parse_raw_data ( const uint8_t* _data )
133{
134 assert(_data);
135
136 uint8_t* _header_string;
137
138 _header_string = (uint8_t*) strtok ((char*)_data, _RAW_TERMINATOR);
139
140 msi_header_t* _head = msi_add_new_header(_header_string);
141 msi_header_t* _it = _head;
142
143 while ( _header_string && _it ){
144
145 _header_string = (uint8_t*) strtok (NULL, _RAW_TERMINATOR);
146 _it->next = msi_add_new_header(_header_string);
147 if ( _it->next ){
148 _it = _it->next;
149 }
150 }
151
152 /* Iterate through list and remove all fault headers if any */
153
154 msi_header_t* _tmp = _it;
155
156 for ( _it = _head; _it; _it = _it->next ){
157
158 if ( !_it->_header_value || !_it->_header_field ) {
159 _tmp ->next = _it->next;
160
161 if ( _it->_header_field )
162 free(_it->_header_field);
163 if ( _it->_header_value )
164 free(_it->_header_value);
165
166 if ( _it == _head ){
167 _head = _head->next;
168 }
169
170 free(_it);
171 _it = _tmp;
172 } else
173 _tmp = _it;
174
175 }
176
177 return _head;
178}
179
180
181
diff --git a/toxmsi/toxmsi_header.h b/toxmsi/toxmsi_header.h
deleted file mode 100644
index 599fafa3..00000000
--- a/toxmsi/toxmsi_header.h
+++ /dev/null
@@ -1,99 +0,0 @@
1#ifndef _MSI_HEADER_
2#define _MSI_HEADER_
3
4/* Basic format of the unparsed header string
5 * ( No spaces in field allowed )
6 * Version 0.1.1\n\r
7 * Request INVITE\n\r
8 * Response\n\r
9 * Friend-id ( from ip )\n\r
10 * Call-type AUDIO\n\r
11 * User-agent phone-v.1.0.0\n\r
12 */
13
14
15/* define raw header terminator */
16static const char* _RAW_TERMINATOR = "\n\r";
17
18/* define string formats for the identifiers */
19#define _VERSION_FIELD "Version"
20#define _REQUEST_FIELD "Request"
21#define _RESPONSE_FIELD "Response"
22#define _FRIENDID_FIELD "Friend-id"
23#define _CALLTYPE_FIELD "Call-type"
24#define _USERAGENT_FIELD "User-agent"
25#define _INFO_FIELD "INFO"
26#define _REASON_FIELD "Reason"
27#define _CALL_ID_FIELD "Call-id"
28
29#define HEADER_VALUES \
30/*uint8_t* _header_field */ \
31uint8_t* _header_value;
32
33typedef struct msi_header_s { /* raw header list */
34 uint8_t* _header_field;
35 uint8_t* _header_value;
36
37 struct msi_header_s* next;
38
39} msi_header_t;
40
41
42
43typedef struct msi_header_version_s { /* Defines our version */
44 HEADER_VALUES
45
46} msi_header_version_t;
47
48typedef struct msi_header_request_s { /* Defines our request */
49 HEADER_VALUES
50
51} msi_header_request_t;
52
53typedef struct msi_header_response_s { /* Defines our response */
54 HEADER_VALUES
55
56} msi_header_response_t;
57
58typedef struct msi_header_friendid_s { /* Defines source that sent the message */
59 HEADER_VALUES
60
61} msi_header_friendid_t;
62
63typedef struct msi_header_call_type_s { /* Defines the type of the call */
64 HEADER_VALUES
65
66} msi_header_call_type_t;
67
68typedef struct msi_header_user_agent_s { /* Defines the device of the participant */
69 HEADER_VALUES
70
71} msi_header_user_agent_t;
72
73
74typedef struct msi_header_call_id_s { /* Call id that is used to identify the call */
75 HEADER_VALUES
76
77} msi_header_call_id_t;
78
79typedef struct msi_header_info_s { /* Defines informational message header */
80 HEADER_VALUES
81
82} msi_header_info_t;
83
84typedef struct msi_header_reason_s { /* Defines reason mostly for error messages */
85 HEADER_VALUES
86
87} msi_header_reason_t;
88
89struct msi_msg_s;
90
91/*
92 * Parses the header list to header types
93 */
94int msi_parse_headers ( struct msi_msg_s* _msg );
95
96/* Make sure it's null terminated */
97msi_header_t* msi_parse_raw_data ( const uint8_t* _data );
98
99#endif /* _MSI_HEADER_ */
diff --git a/toxmsi/toxmsi_message.c b/toxmsi/toxmsi_message.c
deleted file mode 100644
index 72d7ee01..00000000
--- a/toxmsi/toxmsi_message.c
+++ /dev/null
@@ -1,267 +0,0 @@
1#ifdef HAVE_CONFIG_H
2#include "config.h"
3#endif /* HAVE_CONFIG_H */
4
5#include "toxmsi_message.h"
6#include <stdlib.h>
7#include <string.h>
8#include "../toxrtp/toxrtp_helper.h"
9#include <assert.h>
10#include <stdlib.h>
11
12#define ALLOCATE_HEADER(_header_type, _var, _m_header_value) \
13_var = calloc( sizeof(_header_type), 1 ); \
14assert(_var); \
15_var->_header_value = t_strallcpy((const uint8_t*)_m_header_value);
16
17#define DEALLOCATE_HEADER(_header) \
18if ( _header && _header->_header_value ) { \
19free( _header->_header_value ); \
20free( _header ); }
21
22#define SET_HEADER(_header_type, _var, _m_header_value) \
23if ( _var ){ \
24free(_var->_header_value); \
25free(_var);} \
26ALLOCATE_HEADER( _header_type, _var, _m_header_value )
27
28
29/* Sets empty message
30 */
31void set_msg ( msi_msg_t* _msg )
32{
33 _msg->_call_type = NULL;
34 _msg->_version = NULL;
35 _msg->_request = NULL;
36 _msg->_response = NULL;
37 _msg->_friend_id = NULL;
38 _msg->_user_agent = NULL;
39 _msg->_call_id = NULL;
40 _msg->_reason = NULL;
41 _msg->_info = NULL;
42 _msg->_next = NULL;
43 _msg->_headers = NULL;
44}
45
46void msi_free_msg ( msi_msg_t* _msg )
47{
48 assert(_msg);
49
50 DEALLOCATE_HEADER(_msg->_call_type);
51 DEALLOCATE_HEADER(_msg->_friend_id);
52 DEALLOCATE_HEADER(_msg->_request);
53 DEALLOCATE_HEADER(_msg->_response);
54 DEALLOCATE_HEADER(_msg->_user_agent);
55 DEALLOCATE_HEADER(_msg->_version);
56 DEALLOCATE_HEADER(_msg->_info);
57 DEALLOCATE_HEADER(_msg->_reason);
58 DEALLOCATE_HEADER(_msg->_call_id);
59
60 free(_msg);
61}
62
63void append_header_to_string ( uint8_t* _dest, const uint8_t* _header_field, const uint8_t* _header_value )
64{
65 assert(_dest);
66 assert(_header_value);
67 assert(_header_field);
68
69 size_t _dest_len = t_memlen(_dest);
70
71 uint8_t* _storage_iterator = _dest + _dest_len;
72 const uint8_t* _header_fit = _header_field;
73 const uint8_t* _header_val = _header_value;
74 const uint8_t* _term_it = (const uint8_t*) _RAW_TERMINATOR;
75
76 while ( *_header_fit ){
77 *_storage_iterator = *_header_fit;
78 ++_header_fit;
79 ++_storage_iterator;
80 }
81
82 *_storage_iterator = ' '; /* place space */
83 ++_storage_iterator;
84
85 while ( *_header_val ){
86 *_storage_iterator = *_header_val;
87 ++_header_val;
88 ++_storage_iterator;
89 }
90
91 while ( *_term_it ){
92 *_storage_iterator = *_term_it;
93 ++_term_it;
94 ++_storage_iterator;
95 }
96}
97
98msi_msg_t* msi_parse_msg ( const uint8_t* _data )
99{
100 assert(_data);
101
102 msi_msg_t* _retu = calloc ( sizeof ( msi_msg_t ), 1 );
103 assert(_retu);
104
105 set_msg(_retu);
106
107 _retu->_headers = msi_parse_raw_data ( _data );
108
109 if ( msi_parse_headers (_retu) == FAILURE ) {
110 msi_free_msg(_retu);
111 return NULL;
112 }
113
114 if ( !_retu->_version || strcmp((const char*)_retu->_version->_header_value, VERSION_STRING) != 0 ){
115 msi_free_msg(_retu);
116 return NULL;
117 }
118
119 return _retu;
120}
121
122
123uint8_t* msi_msg_to_string ( msi_msg_t* _msg )
124{
125 assert(_msg);
126
127 uint8_t* _retu = calloc(sizeof(uint8_t), MSI_MAXMSG_SIZE );
128 assert(_retu);
129
130 t_memset(_retu, '\0', MSI_MAXMSG_SIZE);
131
132 if ( _msg->_version ){
133 append_header_to_string(_retu, (const uint8_t*)_VERSION_FIELD, _msg->_version->_header_value);
134 }
135
136 if ( _msg->_request ){
137 append_header_to_string(_retu, (const uint8_t*)_REQUEST_FIELD, _msg->_request->_header_value);
138 }
139
140 if ( _msg->_response ){
141 append_header_to_string(_retu, (const uint8_t*)_RESPONSE_FIELD, _msg->_response->_header_value);
142 }
143
144 if ( _msg->_friend_id ){
145 append_header_to_string(_retu, (const uint8_t*)_FRIENDID_FIELD, _msg->_friend_id->_header_value);
146 }
147
148 if ( _msg->_call_type ){
149 append_header_to_string(_retu, (const uint8_t*)_CALLTYPE_FIELD, _msg->_call_type->_header_value);
150 }
151
152 if ( _msg->_user_agent ){
153 append_header_to_string(_retu, (const uint8_t*)_USERAGENT_FIELD, _msg->_user_agent->_header_value);
154 }
155
156 if ( _msg->_info ){
157 append_header_to_string(_retu, (const uint8_t*)_INFO_FIELD, _msg->_info->_header_value);
158 }
159
160 if ( _msg->_call_id ){
161 append_header_to_string(_retu, (const uint8_t*)_CALL_ID_FIELD, _msg->_call_id->_header_value);
162 }
163
164 if ( _msg->_reason ){
165 append_header_to_string(_retu, (const uint8_t*)_REASON_FIELD, _msg->_reason->_header_value);
166 }
167
168 return _retu;
169}
170
171msi_msg_t* msi_msg_new ( uint8_t _type, const uint8_t* _typeid )
172{
173 msi_msg_t* _retu = calloc ( sizeof ( msi_msg_t ), 1 );
174 assert(_retu);
175
176 set_msg(_retu);
177
178 if ( _type == TYPE_REQUEST ){
179 ALLOCATE_HEADER( msi_header_request_t, _retu->_request, _typeid )
180 _retu->_response = NULL;
181
182 } else if ( _type == TYPE_RESPONSE ) {
183 ALLOCATE_HEADER( msi_header_response_t, _retu->_response, _typeid )
184 _retu->_request = NULL;
185
186 } else {
187 msi_free_msg(_retu);
188 return NULL;
189 }
190
191
192 ALLOCATE_HEADER( msi_header_version_t, _retu->_version, VERSION_STRING)
193
194 _retu->_friend_id = NULL;
195 _retu->_call_type = NULL;
196 _retu->_user_agent = NULL;
197 _retu->_info = NULL;
198
199 _retu->_next = NULL;
200
201 return _retu;
202}
203
204uint8_t* msi_genterate_call_id ( uint8_t* _storage, size_t _len )
205{
206 assert(_storage);
207
208 static const char _alphanum[] =
209 "0123456789"
210 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
211 "abcdefghijklmnopqrstuvwxyz"; /* avoids warning */
212
213 uint8_t _val = 0;
214 size_t _it;
215
216 /* Generate random values 1-255 */
217 for ( _it = 0; _it < _len; _it ++ ) {
218 while ( !_val ) _val = (uint8_t) _alphanum[ t_random(61) ];
219
220 _storage[_it] = _val;
221 _val = 0;
222 }
223
224 return _storage;
225}
226
227/* HEADER SETTING
228 */
229
230void msi_msg_set_call_type ( msi_msg_t* _msg, const uint8_t* _header_field )
231{
232 assert(_msg);
233 assert(_header_field);
234
235 SET_HEADER(msi_header_call_type_t, _msg->_call_type, _header_field)
236}
237void msi_msg_set_user_agent ( msi_msg_t* _msg, const uint8_t* _header_field )
238{
239 assert(_msg);
240 assert(_header_field);
241
242 SET_HEADER(msi_header_user_agent_t, _msg->_user_agent, _header_field)
243}
244void msi_msg_set_friend_id ( msi_msg_t* _msg, const uint8_t* _header_field )
245{
246 assert(_msg);
247 assert(_header_field);
248
249 SET_HEADER(msi_header_friendid_t, _msg->_friend_id, _header_field)
250}
251void msi_msg_set_info ( msi_msg_t* _msg, const uint8_t* _header_field )
252{
253}
254void msi_msg_set_reason ( msi_msg_t* _msg, const uint8_t* _header_field )
255{
256 assert(_msg);
257 assert(_header_field);
258
259 SET_HEADER(msi_header_reason_t, _msg->_reason, _header_field)
260}
261void msi_msg_set_call_id ( msi_msg_t* _msg, const uint8_t* _header_field )
262{
263 assert(_msg);
264 assert(_header_field);
265
266 SET_HEADER(msi_header_call_id_t, _msg->_call_id, _header_field)
267}
diff --git a/toxmsi/toxmsi_message.h b/toxmsi/toxmsi_message.h
deleted file mode 100644
index 87dfccc2..00000000
--- a/toxmsi/toxmsi_message.h
+++ /dev/null
@@ -1,120 +0,0 @@
1#ifndef _MSI_MESSAGE_H_
2#define _MSI_MESSAGE_H_
3
4#ifdef HAVE_CONFIG_H
5#include "config.h"
6#endif /* HAVE_CONFIG_H */
7
8#include <inttypes.h>
9#include "../toxcore/network.h"
10#include "../toxcore/tox.h"
11
12#include "toxmsi_header.h"
13
14#define TYPE_REQUEST 1
15#define TYPE_RESPONSE 2
16
17#define VERSION_STRING "0.2.2"
18
19#define MSI_MAXMSG_SIZE 65535
20
21typedef enum {
22 _invite,
23 _start,
24 _cancel,
25 _reject,
26 _end,
27
28} msi_request_t;
29
30static inline const uint8_t *stringify_request(msi_request_t _request)
31{
32 static const uint8_t* strings[] =
33 {
34 (uint8_t*)"INVITE",
35 (uint8_t*)"START",
36 (uint8_t*)"CANCEL",
37 (uint8_t*)"REJECT",
38 (uint8_t*)"END"
39 };
40
41 return strings[_request];
42}
43
44typedef enum {
45 _trying,
46 _ringing,
47 _starting,
48 _ending,
49 _error
50
51} msi_response_t;
52
53static inline const uint8_t *stringify_response(msi_response_t _response)
54{
55 static const uint8_t* strings[] =
56 {
57 (uint8_t*)"trying",
58 (uint8_t*)"ringing",
59 (uint8_t*)"starting",
60 (uint8_t*)"ending",
61 (uint8_t*)"error"
62 };
63
64 return strings[_response];
65}
66
67
68typedef struct msi_msg_s {
69 /* This is the header list which contains unparsed headers */
70 msi_header_t* _headers;
71
72 /* Headers parsed */
73 msi_header_version_t* _version;
74 msi_header_request_t* _request;
75 msi_header_response_t* _response;
76 msi_header_friendid_t* _friend_id;
77 msi_header_call_type_t* _call_type;
78 msi_header_user_agent_t* _user_agent;
79 msi_header_info_t* _info;
80 msi_header_reason_t* _reason;
81 msi_header_call_id_t* _call_id;
82
83 /* Pointer to next member since it's list duuh */
84 struct msi_msg_s* _next;
85
86} msi_msg_t;
87
88
89/*
90 * Parse data received from socket
91 */
92msi_msg_t* msi_parse_msg ( const uint8_t* _data );
93
94/*
95 * Make new message. Arguments: _type: (request, response); _type_field ( value )
96 */
97msi_msg_t* msi_msg_new ( uint8_t _type, const uint8_t* _type_field );
98
99/* Header setting */
100void msi_msg_set_call_type ( msi_msg_t* _msg, const uint8_t* _header_field );
101void msi_msg_set_user_agent ( msi_msg_t* _msg, const uint8_t* _header_field );
102void msi_msg_set_friend_id ( msi_msg_t* _msg, const uint8_t* _header_field );
103void msi_msg_set_info ( msi_msg_t* _msg, const uint8_t* _header_field );
104void msi_msg_set_reason ( msi_msg_t* _msg, const uint8_t* _header_field );
105void msi_msg_set_call_id ( msi_msg_t* _msg, const uint8_t* _header_field );
106
107
108uint8_t* msi_genterate_call_id ( uint8_t* _storage, size_t _len );
109/*
110 * Parses message struct to string.
111 * Allocates memory so don't forget to free it
112 */
113uint8_t* msi_msg_to_string ( msi_msg_t* _msg );
114
115/*
116 * msi_msg_s struct deallocator
117 */
118void msi_free_msg ( msi_msg_t* _msg );
119
120#endif /* _MSI_MESSAGE_H_ */
diff --git a/toxrtp/Makefile.inc b/toxrtp/Makefile.inc
deleted file mode 100644
index 801a7fd3..00000000
--- a/toxrtp/Makefile.inc
+++ /dev/null
@@ -1,34 +0,0 @@
1if BUILD_AV
2
3lib_LTLIBRARIES += libtoxrtp.la
4
5libtoxrtp_la_include_HEADERS = \
6 ../toxrtp/toxrtp.h
7
8libtoxrtp_la_includedir = $(includedir)/tox
9
10libtoxrtp_la_SOURCES = ../toxrtp/toxrtp_error.h \
11 ../toxrtp/toxrtp_error.c \
12 ../toxrtp/toxrtp_error_id.h \
13 ../toxrtp/toxrtp_helper.h \
14 ../toxrtp/toxrtp_helper.c \
15 ../toxrtp/toxrtp.h \
16 ../toxrtp/toxrtp.c \
17 ../toxrtp/toxrtp_message.h \
18 ../toxrtp/toxrtp_message.c \
19 ../toxcore/network.h \
20 ../toxcore/network.c \
21 ../toxcore/util.h \
22 ../toxcore/util.c
23
24libtoxrtp_la_CFLAGS = -I../toxcore \
25 -I../toxrtp \
26 $(NACL_CFLAGS)
27
28libtoxrtp_la_LDFLAGS = $(TOXRTP_LT_LDFLAGS) \
29 $(NACL_LDFLAGS) \
30 $(EXTRA_LT_LDFLAGS)
31
32libtoxrtp_la_LIBS = $(NACL_LIBS)
33
34endif
diff --git a/toxrtp/tests/Makefile.inc b/toxrtp/tests/Makefile.inc
deleted file mode 100644
index 8d1c8b69..00000000
--- a/toxrtp/tests/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
1
diff --git a/toxrtp/tests/test_bidirect.c b/toxrtp/tests/test_bidirect.c
deleted file mode 100644
index b5a0899e..00000000
--- a/toxrtp/tests/test_bidirect.c
+++ /dev/null
@@ -1,109 +0,0 @@
1#define _BSD_SOURCE
2
3#include "../toxrtp.h"
4#include "../toxrtp_message.h"
5#include <stdio.h>
6#include <stdlib.h>
7#include <string.h>
8#include <utime.h>
9#include <assert.h>
10
11#include "test_helper.h"
12#include "../../toxcore/tox.h"
13
14#ifdef _CT_BIDIRECT
15
16int _print_help( const char* name )
17{
18 char* _help = malloc( 300 );
19 memset(_help, '\0', 300);
20
21 strcat(_help, " Usage: ");
22 strcat(_help, name);
23 strcat(_help, "\n -d IP ( destination )\n"
24 " -p PORT ( dest Port )\n"
25 " -l PORT ( listen Port ) \n");
26
27 puts ( _help );
28
29 free(_help);
30 return FAILURE;
31}
32
33int main( int argc, char* argv[] )
34{
35 int status;
36 tox_IP_Port Ip_port;
37 const char* ip, *psend, *plisten;
38 uint16_t port_send, port_listen;
39 const uint8_t* test_bytes = "0123456789012345678901234567890123456789012345678901234567890123456789"
40 "0123456789012345678901234567890123456789012345678901234567890123456789"
41 "0123456789012345678901234567890123456789012345678901234567890123456789"
42 "0123456789012345678901234567890123456789012345678901234567890123456789";
43
44
45 rtp_session_t* _m_session;
46 rtp_msg_t *_m_msg_R, *_m_msg_S;
47 arg_t* _list = parse_args ( argc, argv );
48
49 ip = find_arg_duble(_list, "-d");
50 psend = find_arg_duble(_list, "-p");
51 plisten = find_arg_duble(_list, "-l");
52
53 if ( !ip || !plisten || !psend )
54 return _print_help(argv[0]);
55
56 port_send = atoi(psend);
57 port_listen = atoi(plisten);
58
59 IP_Port local, remote;
60
61 /*
62 * This is the Local ip. We initiate networking on
63 * this value for it's the local one. To make stuff simpler we receive over this value
64 * and send on the other one ( see remote )
65 */
66 local.ip.i = htonl(INADDR_ANY);
67 local.port = port_listen;
68 Networking_Core* _networking = new_networking(local.ip, port_listen);
69
70 if ( !_networking )
71 return FAILURE;
72
73 int _socket = _networking->sock;
74 /*
75 * Now this is the remote. It's used by rtp_session_t to determine the receivers ip etc.
76 */
77 t_setipport ( ip, port_send, &remote );
78 _m_session = rtp_init_session(-1, -1);
79 rtp_add_receiver( _m_session, &remote );
80
81 /* Now let's start our main loop in both recv and send mode */
82
83 for ( ;; )
84 {
85 /*
86 * This part checks for received messages and if gotten one
87 * display 'Received msg!' indicator and free message
88 */
89 _m_msg_R = rtp_recv_msg ( _m_session );
90
91 if ( _m_msg_R ) {
92 puts ( "Received msg!" );
93 rtp_free_msg(_m_session, _m_msg_R);
94 }
95 /* -------------------- */
96
97 /*
98 * This one makes a test msg and sends that message to the 'remote'
99 */
100 _m_msg_S = rtp_msg_new ( _m_session, test_bytes, 280 ) ;
101 rtp_send_msg ( _m_session, _m_msg_S, _socket );
102 usleep ( 10000 );
103 /* -------------------- */
104 }
105
106 return SUCCESS;
107}
108
109#endif /* _CT_BIDIRECT */
diff --git a/toxrtp/tests/test_headers.c b/toxrtp/tests/test_headers.c
deleted file mode 100644
index be3f1375..00000000
--- a/toxrtp/tests/test_headers.c
+++ /dev/null
@@ -1,316 +0,0 @@
1/* test_headers.c
2 *
3 * Tests header parsing. You probably won't need this. !Red!
4 *
5 *
6 * Copyright (C) 2013 Tox project All Rights Reserved.
7 *
8 * This file is part of Tox.
9 *
10 * Tox is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
14 *
15 * Tox is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
22 *
23 */
24
25#include "test_helper.h"
26#include "../toxrtp.h"
27#include "../toxrtp_message.h"
28
29#include <stdio.h>
30#include <stdlib.h>
31#include <string.h>
32#include <utime.h>
33#include <assert.h>
34#include "../toxrtp_error_id.h"
35
36#define _CT_HEADERS_
37
38#ifdef _CT_HEADERS
39
40int _socket;
41pthread_mutex_t _mutex;
42
43int print_help()
44{
45 puts (
46 " Usage: Tuxrtp [-s (send mode) -d IP ( destination ) -p PORT ( dest Port )] \n"
47 " [-r ( recv mode ) ]"
48 );
49 return FAILURE;
50}
51
52void print_session_stats ( rtp_session_t* _m_session )
53{
54 printf
55 (
56 "Session test:\n"
57 "\tPackets sent:%d\n"
58 "\tPackets recv:%d\n\n"
59 "\tBytes sent:%d\n"
60 "\tBytes recv:%d\n\n"
61 "\tHeader CCSRs:%d\n"
62 ,
63 _m_session->_packets_sent,
64 _m_session->_packets_recv,
65 _m_session->_bytes_sent,
66 _m_session->_bytes_recv,
67 _m_session->_cc
68 );
69
70 uint8_t i;
71 for ( i = 0; i < _m_session->_cc; i++ ) {
72 printf (
73 "\t%d > :%d\n", i, _m_session->_csrc[i]
74 );
75 }
76}
77
78void print_header_info ( rtp_header_t* _header )
79{
80 printf
81 (
82 "Header info:\n"
83 "\tVersion :%d\n"
84 "\tPadding :%d\n"
85 "\tExtension :%d\n"
86 "\tCSRC count :%d\n"
87 "\tPayload type :%d\n"
88 "\tMarker :%d\n\n"
89
90 "\tSSrc :%d\n"
91 "\tSequence num :%d\n"
92 "\tLenght: :%d\n"
93 "\tCSRC's:\n"
94 ,
95 rtp_header_get_flag_version ( _header ),
96 rtp_header_get_flag_padding ( _header ),
97 rtp_header_get_flag_extension ( _header ),
98 rtp_header_get_flag_CSRC_count ( _header ),
99 rtp_header_get_setting_payload_type ( _header ),
100 rtp_header_get_setting_marker ( _header ),
101
102 _header->_ssrc,
103 _header->_sequence_number,
104 _header->_length
105 );
106
107
108 uint8_t i;
109 for ( i = 0; i < rtp_header_get_flag_CSRC_count ( _header ); i++ ) {
110 printf (
111 "\t%d > :%d\n", i, _header->_csrc[i]
112 );
113 }
114
115 puts ( "\n" );
116}
117
118void print_ext_header_info(rtp_ext_header_t* _ext_header)
119{
120 printf
121 (
122 "External Header info: \n"
123 "\tLenght :%d\n"
124 "\tID :%d\n"
125 "\tValue H :%d\n"
126 "\tValue W :%d\n\n",
127 _ext_header->_ext_len,
128 _ext_header->_ext_type,
129 rtp_get_resolution_marking_height(_ext_header, 0),
130 rtp_get_resolution_marking_width(_ext_header, 0)
131 );
132}
133
134int rtp_handlepacket ( rtp_session_t* _session, rtp_msg_t* _msg )
135{
136 if ( !_msg )
137 return FAILURE;
138
139 if ( rtp_check_late_message(_session, _msg) < 0 ) {
140 rtp_register_msg(_session, _msg);
141 }
142
143 if ( _session->_last_msg ) {
144 _session->_last_msg->_next = _msg;
145 _session->_last_msg = _msg;
146 } else {
147 _session->_last_msg = _session->_oldest_msg = _msg;
148 }
149
150
151 return SUCCESS;
152}
153
154void* receivepacket_callback(void* _p_session)
155{
156 rtp_msg_t* _msg;
157 rtp_session_t* _session = _p_session;
158
159 uint32_t _bytes;
160 tox_IP_Port _from;
161 uint8_t _socket_data[MAX_UDP_PACKET_SIZE];
162
163 int _m_socket = _socket;
164
165 while ( 1 )
166 {
167 int _status = receivepacket ( _m_socket, &_from, _socket_data, &_bytes );
168
169 if ( _status == FAILURE ) { /* nothing recved */
170 usleep(1000);
171 continue;
172 }
173
174 pthread_mutex_lock ( &_mutex );
175
176 _msg = rtp_msg_parse ( NULL, _socket_data, _bytes );
177 rtp_handlepacket(_session, _msg);
178
179 pthread_mutex_unlock ( &_mutex );
180 }
181
182 pthread_exit(NULL);
183}
184
185int main ( int argc, char* argv[] )
186{
187 arg_t* _list = parse_args ( argc, argv );
188
189 if ( _list == NULL ) { /* failed */
190 return print_help();
191 }
192
193 pthread_mutex_init ( &_mutex, NULL );
194
195 int status;
196 IP_Port Ip_port;
197 const char* ip;
198 uint16_t port;
199
200
201 const uint8_t* test_bytes [300];
202 memset(test_bytes, 'a', 300);
203
204 rtp_session_t* _m_session;
205 rtp_msg_t* _m_msg;
206
207 if ( find_arg_simple ( _list, "-r" ) != FAILURE ) { /* Server mode */
208
209 IP_Port LOCAL_IP; /* since you need at least 1 recv-er */
210 LOCAL_IP.ip.i = htonl(INADDR_ANY);
211 LOCAL_IP.port = RTP_PORT;
212 LOCAL_IP.padding = -1;
213
214 _m_session = rtp_init_session ( -1, -1 );
215 Networking_Core* _networking = new_networking(LOCAL_IP.ip, RTP_PORT_LISTEN);
216 _socket = _networking->sock;
217
218
219 if ( !_networking ){
220 pthread_mutex_destroy ( &_mutex );
221 return FAILURE;
222 }
223
224 int _socket = _networking->sock;
225
226 if ( status < 0 ) {
227 pthread_mutex_destroy ( &_mutex );
228 return FAILURE;
229 }
230 /* -- start in recv mode, get 1 message and then analyze it -- */
231 pthread_t _tid;
232 RUN_IN_THREAD(receivepacket_callback, _tid, _m_session)
233
234 for ( ; ; ) { /* Recv for x seconds */
235 _m_msg = rtp_recv_msg ( _m_session );
236
237 /* _m_msg = rtp_session_get_message_queded ( _m_session ); DEPRECATED */
238 if ( _m_msg ) {
239 /*rtp_free_msg(_m_session, _m_msg);
240 _m_msg = NULL;*/
241 printf("Timestamp: %d\n", _m_msg->_header->_timestamp);
242 }
243
244 usleep ( 10000 );
245 }
246
247 if ( _m_msg->_header ) {
248 rtp_header_print ( _m_msg->_header );
249 }
250 if ( _m_msg->_ext_header ){
251 print_ext_header_info(_m_msg->_ext_header);
252 }
253
254 //print_session_stats ( _m_session );
255
256
257 //printf ( "Payload: ( %d ) \n%s\n", _m_msg->_length, _m_msg->_data );
258
259
260 } else if ( find_arg_simple ( _list, "-s" ) != FAILURE ) {
261 ip = find_arg_duble ( _list, "-d" );
262
263 if ( ip == NULL ) {
264 pthread_mutex_destroy ( &_mutex );
265 return FAILURE;
266 }
267
268 const char* _port = find_arg_duble ( _list, "-p" );
269
270 if ( _port != NULL ) {
271 port = atoi ( _port );
272 }
273
274 t_setipport ( ip, port, &Ip_port );
275 printf ( "Remote: %s:%d\n", ip, port );
276
277 Networking_Core* _networking = new_networking(Ip_port.ip, RTP_PORT);
278
279 if ( !_networking ){
280 pthread_mutex_destroy ( &_mutex );
281 return FAILURE;
282 }
283
284 int _socket = _networking->sock;
285
286 _m_session = rtp_init_session ( -1, -1 );
287 rtp_add_receiver( _m_session, &Ip_port );
288 //rtp_add_resolution_marking(_m_session, 1920, 1080);
289 //rtp_add_framerate_marking(_m_session, 1000);
290
291 puts ( "Now sending payload!\n" );
292 uint16_t _first_sequ = _m_session->_sequence_number;
293
294 /* use already defined buffer lenght */
295 while ( 1 ){
296 _m_msg = rtp_msg_new ( _m_session, test_bytes, 300 );
297 rtp_send_msg ( _m_session, _m_msg, _socket );
298 usleep(10000);
299 }
300
301 if ( _m_session->_last_error ) {
302 puts ( _m_session->_last_error );
303 }
304
305 return rtp_terminate_session(_m_session);
306
307 } else {
308 pthread_mutex_destroy ( &_mutex );
309 return FAILURE;
310 }
311 pthread_mutex_destroy ( &_mutex );
312
313 return SUCCESS;
314}
315
316#endif /* _CT_HEADERS */
diff --git a/toxrtp/tests/test_helper.c b/toxrtp/tests/test_helper.c
deleted file mode 100644
index 526b6b38..00000000
--- a/toxrtp/tests/test_helper.c
+++ /dev/null
@@ -1,83 +0,0 @@
1/* test_helper.c
2 *
3 * Tests support. !Red!
4 *
5 *
6 * Copyright (C) 2013 Tox project All Rights Reserved.
7 *
8 * This file is part of Tox.
9 *
10 * Tox is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
14 *
15 * Tox is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
22 *
23 */
24
25#include "test_helper.h"
26
27#include <string.h>
28#include <stdlib.h>
29
30arg_t* parse_args ( int argc, char* argv[] )
31{
32 arg_t* _list = calloc(sizeof(arg_t), 1);
33 _list->next = _list->prev = NULL;
34
35 arg_t* it = _list;
36
37 size_t val;
38 for ( val = 0; val < argc; val ++ ) {
39 it->value = argv[val];
40
41 if ( val < argc - 1 ) { /* just about to end */
42 it->next = calloc(sizeof(arg_t), 1);
43 it->next->prev = it;
44 it = it->next;
45 it->next = NULL;
46 }
47 }
48
49 return _list;
50}
51
52int find_arg_simple ( arg_t* _head, const char* _id )
53{
54 arg_t* it = _head;
55
56 int i;
57 for ( i = 1; it != NULL; it = it->next ) {
58 if ( strcmp ( _id, it->value ) == 0 ) {
59 return i;
60 }
61
62 i++;
63 }
64
65 return FAILURE;
66}
67
68const char* find_arg_duble ( arg_t* _head, const char* _id )
69{
70 arg_t* _it;
71 for ( _it = _head; _it != NULL; _it = _it->next ) {
72 if ( strcmp ( _id, _it->value ) == 0 ) {
73 if ( _it->next && _it->next->value[0] != '-' ) { /* exclude option */
74 return _it->next->value;
75 } else {
76 return NULL;
77 }
78 }
79 }
80
81 return NULL;
82}
83
diff --git a/toxrtp/tests/test_helper.h b/toxrtp/tests/test_helper.h
deleted file mode 100644
index de654743..00000000
--- a/toxrtp/tests/test_helper.h
+++ /dev/null
@@ -1,61 +0,0 @@
1/* test_helper.h
2 *
3 * Tests support. !Red!
4 *
5 *
6 * Copyright (C) 2013 Tox project All Rights Reserved.
7 *
8 * This file is part of Tox.
9 *
10 * Tox is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
14 *
15 * Tox is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
22 *
23 */
24
25#ifndef _TEST__HELPER_
26#define _TEST__HELPER_
27
28#include "../toxrtp_helper.h"
29
30#define RTP_PORT 31003
31#define RTP_PORT_LISTEN 31001
32
33#define _SLEEP_INTERVAL 1000
34
35typedef struct arg_s {
36 const char* value;
37 struct arg_s* next;
38 struct arg_s* prev;
39
40} arg_t;
41
42
43
44/* Parses arguments into d-list arg_t */
45arg_t* parse_args ( int argc, char* argv[] );
46
47/* Get a single argument ( i.e. ./test -s |find if has 's' >> | find_arg_simple(_t, "-s") )
48 * A little error checking, of course, returns FAILURE if not found and if found returns position
49 * where it's found.
50 */
51int find_arg_simple ( arg_t* _head, const char* _id );
52
53/* Get a single argument ( i.e. ./test -d 127.0.0.1 |get 'd' value >> | find_arg_duble(_t, "-d") )
54 * A little error checking, of course, returns NULL if not found and if found returns value
55 * of that argument ( i.e. '127.0.0.1').
56 */
57const char* find_arg_duble ( arg_t* _head, const char* _id );
58
59#endif /* _TEST__HELPER_ */
60
61
diff --git a/toxrtp/toxrtp.c b/toxrtp/toxrtp.c
deleted file mode 100644
index 6844b0b1..00000000
--- a/toxrtp/toxrtp.c
+++ /dev/null
@@ -1,693 +0,0 @@
1/* rtp_impl.c
2 *
3 * Rtp implementation includes rtp_session_s struct which is a session identifier.
4 * It contains session information and it's a must for every session.
5 * It's best if you don't touch any variable directly but use callbacks to do so. !Red!
6 *
7 *
8 * Copyright (C) 2013 Tox project All Rights Reserved.
9 *
10 * This file is part of Tox.
11 *
12 * Tox is free software: you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation, either version 3 of the License, or
15 * (at your option) any later version.
16 *
17 * Tox is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
24 *
25 */
26
27#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif /* HAVE_CONFIG_H */
30
31#include "toxrtp.h"
32#include "toxrtp_message.h"
33#include "toxrtp_helper.h"
34#include <assert.h>
35#include <pthread.h>
36#include "../toxcore/util.h"
37#include "../toxcore/network.h"
38
39/* Some defines */
40#define PAYLOAD_ID_VALUE_OPUS 1
41#define PAYLOAD_ID_VALUE_VP8 2
42
43#define size_32 4
44/* End of defines */
45
46#ifdef _USE_ERRORS
47#include "toxrtp_error_id.h"
48#endif /* _USE_ERRORS */
49
50static const uint32_t _payload_table[] = /* PAYLOAD TABLE */
51{
52 8000, 8000, 8000, 8000, 8000, 8000, 16000, 8000, 8000, 8000, /* 0-9 */
53 44100, 44100, 0, 0, 90000, 8000, 11025, 22050, 0, 0, /* 10-19 */
54 0, 0, 0, 0, 0, 90000, 90000, 0, 90000, 0, /* 20-29 */
55 0, 90000, 90000, 90000, 90000, 0, 0, 0, 0, 0, /* 30-39 */
56 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 40-49 */
57 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 50-59 */
58 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60-69 */
59 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 70-79 */
60 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 80-89 */
61 0, 0, 0, 0, 0, 0, PAYLOAD_ID_VALUE_OPUS, 0, 0, 0, /* 90-99 */
62 0, 0, 0, 0, 0, 0, PAYLOAD_ID_VALUE_VP8, 0, 0, 0, /* 100-109 */
63 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 110-119 */
64 0, 0, 0, 0, 0, 0, 0, 0 /* 120-127 */
65};
66
67/* Current compatibility solution */
68int m_sendpacket(Networking_Core* _core_handler, void *ip_port, uint8_t *data, uint32_t length)
69{
70 return sendpacket(_core_handler, *((IP_Port*) ip_port), data, length);
71}
72
73rtp_session_t* rtp_init_session ( int max_users, int _multi_session )
74{
75#ifdef _USE_ERRORS
76 REGISTER_RTP_ERRORS
77#endif /* _USE_ERRORS */
78
79 rtp_session_t* _retu = calloc(sizeof(rtp_session_t), 1);
80 assert(_retu);
81
82 _retu->_dest_list = _retu->_last_user = NULL;
83
84 _retu->_max_users = max_users;
85 _retu->_packets_recv = 0;
86 _retu->_packets_sent = 0;
87 _retu->_bytes_sent = 0;
88 _retu->_bytes_recv = 0;
89 _retu->_last_error = NULL;
90 _retu->_packet_loss = 0;
91
92 /*
93 * SET HEADER FIELDS
94 */
95
96 _retu->_version = RTP_VERSION; /* It's always 2 */
97 _retu->_padding = 0; /* If some additional data is needed about
98 * the packet */
99 _retu->_extension = 0; /* If extension to header is needed */
100 _retu->_cc = 1; /* It basically represents amount of contributors */
101 _retu->_csrc = NULL; /* Container */
102 _retu->_ssrc = t_random ( -1 );
103 _retu->_marker = 0;
104 _retu->_payload_type = 0; /* You should specify payload type */
105
106 /* Sequence starts at random number and goes to _MAX_SEQU_NUM */
107 _retu->_sequence_number = t_random ( _MAX_SEQU_NUM );
108 _retu->_last_sequence_number = _retu->_sequence_number; /* Do not touch this variable */
109
110 _retu->_initial_time = t_time(); /* In seconds */
111 assert(_retu->_initial_time);
112 _retu->_time_elapsed = 0; /* In seconds */
113
114 _retu->_ext_header = NULL; /* When needed allocate */
115 _retu->_exthdr_framerate = -1;
116 _retu->_exthdr_resolution = -1;
117
118 _retu->_csrc = calloc(sizeof(uint32_t), 1);
119 assert(_retu->_csrc);
120
121 _retu->_csrc[0] = _retu->_ssrc; /* Set my ssrc to the list receive */
122
123 _retu->_prefix_length = 0;
124 _retu->_prefix = NULL;
125
126 _retu->_multi_session = _multi_session;
127
128 /* Initial */
129 _retu->_current_framerate = 0;
130
131
132 _retu->_oldest_msg = _retu->_last_msg = NULL;
133
134 pthread_mutex_init(&_retu->_mutex, NULL);
135 /*
136 *
137 */
138 return _retu;
139}
140
141int rtp_terminate_session ( rtp_session_t* _session )
142{
143 if ( !_session )
144 return FAILURE;
145
146 if ( _session->_dest_list ){
147 rtp_dest_list_t* _fordel = NULL;
148 rtp_dest_list_t* _tmp = _session->_dest_list;
149
150 while( _tmp ){
151 _fordel = _tmp;
152 _tmp = _tmp->next;
153 free(_fordel);
154 }
155 }
156
157 if ( _session->_ext_header )
158 free ( _session->_ext_header );
159
160 if ( _session->_csrc )
161 free ( _session->_csrc );
162
163 if ( _session->_prefix )
164 free ( _session->_prefix );
165
166 pthread_mutex_destroy(&_session->_mutex);
167
168 /* And finally free session */
169 free ( _session );
170
171 return SUCCESS;
172}
173
174uint16_t rtp_get_resolution_marking_height ( rtp_ext_header_t* _header, uint32_t _position )
175{
176 if ( _header->_ext_type & RTP_EXT_TYPE_RESOLUTION )
177 return _header->_hd_ext[_position];
178 else
179 return 0;
180}
181
182uint16_t rtp_get_resolution_marking_width ( rtp_ext_header_t* _header, uint32_t _position )
183{
184 if ( _header->_ext_type & RTP_EXT_TYPE_RESOLUTION )
185 return ( _header->_hd_ext[_position] >> 16 );
186 else
187 return 0;
188}
189
190void rtp_free_msg ( rtp_session_t* _session, rtp_msg_t* _message )
191{
192 free ( _message->_data );
193
194 if ( !_session ){
195 free ( _message->_header->_csrc );
196 if ( _message->_ext_header ){
197 free ( _message->_ext_header->_hd_ext );
198 free ( _message->_ext_header );
199 }
200 } else {
201 if ( _session->_csrc != _message->_header->_csrc )
202 free ( _message->_header->_csrc );
203 if ( _message->_ext_header && _session->_ext_header != _message->_ext_header ) {
204 free ( _message->_ext_header->_hd_ext );
205 free ( _message->_ext_header );
206 }
207 }
208
209 free ( _message->_header );
210 free ( _message );
211}
212
213rtp_header_t* rtp_build_header ( rtp_session_t* _session )
214{
215 rtp_header_t* _retu;
216 _retu = calloc ( sizeof * _retu, 1 );
217 assert(_retu);
218
219 rtp_header_add_flag_version ( _retu, _session->_version );
220 rtp_header_add_flag_padding ( _retu, _session->_padding );
221 rtp_header_add_flag_extension ( _retu, _session->_extension );
222 rtp_header_add_flag_CSRC_count ( _retu, _session->_cc );
223 rtp_header_add_setting_marker ( _retu, _session->_marker );
224 rtp_header_add_setting_payload ( _retu, _session->_payload_type );
225
226 _retu->_sequence_number = _session->_sequence_number;
227 _session->_time_elapsed = t_time() - _session->_initial_time;
228 _retu->_timestamp = t_time();
229 _retu->_ssrc = _session->_ssrc;
230
231 if ( _session->_cc > 0 ) {
232 _retu->_csrc = calloc(sizeof(uint32_t), _session->_cc);
233 assert(_retu->_csrc);
234
235 int i;
236
237 for ( i = 0; i < _session->_cc; i++ ) {
238 _retu->_csrc[i] = _session->_csrc[i];
239 }
240 } else {
241 _retu->_csrc = NULL;
242 }
243
244 _retu->_length = _MIN_HEADER_LENGTH + ( _session->_cc * size_32 );
245
246 return _retu;
247}
248
249void rtp_set_payload_type ( rtp_session_t* _session, uint8_t _payload_value )
250{
251 _session->_payload_type = _payload_value;
252}
253uint32_t rtp_get_payload_type ( rtp_session_t* _session )
254{
255 return _payload_table[_session->_payload_type];
256}
257
258int rtp_add_receiver ( rtp_session_t* _session, tox_IP_Port* _dest )
259{
260 if ( !_session )
261 return FAILURE;
262
263 rtp_dest_list_t* _new_user = calloc(sizeof(rtp_dest_list_t), 1);
264 assert(_new_user);
265
266 _new_user->next = NULL;
267 _new_user->_dest = *_dest;
268
269 if ( _session->_last_user == NULL ) { /* New member */
270 _session->_dest_list = _session->_last_user = _new_user;
271
272 } else { /* Append */
273 _session->_last_user->next = _new_user;
274 _session->_last_user = _new_user;
275 }
276
277 return SUCCESS;
278}
279
280int rtp_send_msg ( rtp_session_t* _session, rtp_msg_t* _msg, void* _core_handler )
281{
282 if ( !_msg || _msg->_data == NULL || _msg->_length <= 0 ) {
283 t_perror ( RTP_ERROR_EMPTY_MESSAGE );
284 return FAILURE;
285 }
286
287 int _last;
288 unsigned long long _total = 0;
289
290 size_t _length = _msg->_length;
291 uint8_t _send_data [ MAX_UDP_PACKET_SIZE ];
292
293 uint16_t _prefix_length = _session->_prefix_length;
294
295 _send_data[0] = 70;
296
297 if ( _session->_prefix && _length + _prefix_length < MAX_UDP_PACKET_SIZE ) {
298 /*t_memcpy(_send_data, _session->_prefix, _prefix_length);*/
299 t_memcpy ( _send_data + 1, _msg->_data, _length );
300 } else {
301 t_memcpy ( _send_data + 1, _msg->_data, _length );
302 }
303
304 /* Set sequ number */
305 if ( _session->_sequence_number >= _MAX_SEQU_NUM ) {
306 _session->_sequence_number = 0;
307 } else {
308 _session->_sequence_number++;
309 }
310
311 /* Start sending loop */
312 rtp_dest_list_t* _it;
313 for ( _it = _session->_dest_list; _it != NULL; _it = _it->next ) {
314
315 _last = m_sendpacket ( _core_handler, &_it->_dest, _send_data, _length + 1);
316
317 if ( _last < 0 ) {
318 t_perror ( RTP_ERROR_STD_SEND_FAILURE );
319 printf("Stderror: %s", strerror(errno));
320 } else {
321 _session->_packets_sent ++;
322 _total += _last;
323 }
324
325 }
326
327 rtp_free_msg ( _session, _msg );
328 _session->_bytes_sent += _total;
329 return SUCCESS;
330}
331
332rtp_msg_t* rtp_recv_msg ( rtp_session_t* _session )
333{
334 if ( !_session )
335 return NULL;
336
337 rtp_msg_t* _retu = _session->_oldest_msg;
338
339 pthread_mutex_lock(&_session->_mutex);
340
341 if ( _retu )
342 _session->_oldest_msg = _retu->_next;
343
344 if ( !_session->_oldest_msg )
345 _session->_last_msg = NULL;
346
347 pthread_mutex_unlock(&_session->_mutex);
348
349 return _retu;
350}
351
352void rtp_store_msg ( rtp_session_t* _session, rtp_msg_t* _msg )
353{
354 if ( rtp_check_late_message(_session, _msg) < 0 ) {
355 rtp_register_msg(_session, _msg);
356 }
357
358 pthread_mutex_lock(&_session->_mutex);
359
360 if ( _session->_last_msg ) {
361 _session->_last_msg->_next = _msg;
362 _session->_last_msg = _msg;
363 } else {
364 _session->_last_msg = _session->_oldest_msg = _msg;
365 }
366
367 pthread_mutex_unlock(&_session->_mutex);
368 return;
369}
370
371int rtp_release_session_recv ( rtp_session_t* _session )
372{
373 if ( !_session ){
374 return FAILURE;
375 }
376
377 rtp_msg_t* _tmp,* _it;
378
379 pthread_mutex_lock(&_session->_mutex);
380
381 for ( _it = _session->_oldest_msg; _it; _it = _tmp ){
382 _tmp = _it->_next;
383 rtp_free_msg(_session, _it);
384 }
385
386 _session->_last_msg = _session->_oldest_msg = NULL;
387
388 pthread_mutex_unlock(&_session->_mutex);
389
390 return SUCCESS;
391}
392
393rtp_msg_t* rtp_msg_new ( rtp_session_t* _session, const uint8_t* _data, uint32_t _length )
394{
395 if ( !_session )
396 return NULL;
397
398 uint8_t* _from_pos;
399 rtp_msg_t* _retu = calloc(sizeof(rtp_msg_t), 1);
400 assert(_retu);
401
402 /* Sets header values and copies the extension header in _retu */
403 _retu->_header = rtp_build_header ( _session ); /* It allocates memory and all */
404 _retu->_ext_header = _session->_ext_header;
405
406 uint32_t _total_lenght = _length + _retu->_header->_length;
407
408 if ( _retu->_ext_header ) {
409
410 _total_lenght += ( _MIN_EXT_HEADER_LENGTH + _retu->_ext_header->_ext_len * size_32 );
411 /* Allocate Memory for _retu->_data */
412 _retu->_data = calloc ( sizeof _retu->_data, _total_lenght );
413 assert(_retu->_data);
414
415 _from_pos = rtp_add_header ( _retu->_header, _retu->_data );
416 _from_pos = rtp_add_extention_header ( _retu->_ext_header, _from_pos + 1 );
417 } else {
418 /* Allocate Memory for _retu->_data */
419 _retu->_data = calloc ( sizeof _retu->_data, _total_lenght );
420 assert(_retu->_data);
421
422 _from_pos = rtp_add_header ( _retu->_header, _retu->_data );
423 }
424
425 /*
426 * Parses the extension header into the message
427 * Of course if any
428 */
429
430 /* Appends _data on to _retu->_data */
431 t_memcpy ( _from_pos + 1, _data, _length );
432
433 _retu->_length = _total_lenght;
434
435 _retu->_next = NULL;
436
437 return _retu;
438}
439
440rtp_msg_t* rtp_msg_parse ( rtp_session_t* _session, const uint8_t* _data, uint32_t _length )
441{
442 rtp_msg_t* _retu = calloc(sizeof(rtp_msg_t), 1);
443 assert(_retu);
444
445 _retu->_header = rtp_extract_header ( _data, _length ); /* It allocates memory and all */
446 if ( !_retu->_header ){
447 free(_retu);
448 return NULL;
449 }
450
451 _retu->_length = _length - _retu->_header->_length;
452
453 uint16_t _from_pos = _retu->_header->_length;
454
455
456 if ( rtp_header_get_flag_extension ( _retu->_header ) ) {
457 _retu->_ext_header = rtp_extract_ext_header ( _data + _from_pos, _length );
458 if ( _retu->_ext_header ){
459 _retu->_length -= ( _MIN_EXT_HEADER_LENGTH + _retu->_ext_header->_ext_len * size_32 );
460 _from_pos += ( _MIN_EXT_HEADER_LENGTH + _retu->_ext_header->_ext_len * size_32 );
461 } else {
462 free (_retu->_ext_header);
463 free (_retu->_header);
464 free (_retu);
465 return NULL;
466 }
467 } else {
468 _retu->_ext_header = NULL;
469 }
470
471 /* Get the payload */
472 _retu->_data = calloc ( sizeof ( uint8_t ), _retu->_length );
473 assert(_retu->_data);
474
475 t_memcpy ( _retu->_data, _data + _from_pos, _length - _from_pos );
476
477 _retu->_next = NULL;
478
479
480 if ( _session && !_session->_multi_session && rtp_check_late_message(_session, _retu) < 0 ){
481 rtp_register_msg(_session, _retu);
482 }
483
484 return _retu;
485}
486
487int rtp_check_late_message (rtp_session_t* _session, rtp_msg_t* _msg)
488{
489 /*
490 * Check Sequence number. If this new msg has lesser number then the _session->_last_sequence_number
491 * it shows that the message came in late
492 */
493 if ( _msg->_header->_sequence_number < _session->_last_sequence_number &&
494 _msg->_header->_timestamp < _session->_current_timestamp
495 ) {
496 return SUCCESS; /* Drop the packet. You can check if the packet dropped by checking _packet_loss increment. */
497 }
498 return FAILURE;
499}
500
501void rtp_register_msg ( rtp_session_t* _session, rtp_msg_t* _msg )
502{
503 _session->_last_sequence_number = _msg->_header->_sequence_number;
504 _session->_current_timestamp = _msg->_header->_timestamp;
505}
506
507
508int rtp_add_resolution_marking ( rtp_session_t* _session, uint16_t _width, uint16_t _height )
509{
510 if ( !_session )
511 return FAILURE;
512
513 rtp_ext_header_t* _ext_header = _session->_ext_header;
514 _session->_exthdr_resolution = 0;
515
516 if ( ! ( _ext_header ) ) {
517 _session->_ext_header = calloc (sizeof(rtp_ext_header_t), 1);
518 assert(_session->_ext_header);
519
520 _session->_extension = 1;
521 _session->_ext_header->_ext_len = 1;
522 _ext_header = _session->_ext_header;
523 _session->_ext_header->_hd_ext = calloc(sizeof(uint32_t), 1);
524 assert(_session->_ext_header->_hd_ext);
525
526 } else { /* If there is need for more headers this will be needed to change */
527 if ( !(_ext_header->_ext_type & RTP_EXT_TYPE_RESOLUTION) ){
528 uint32_t _exthdr_framerate = _ext_header->_hd_ext[_session->_exthdr_framerate];
529 /* it's position is at 2nd place by default */
530 _session->_exthdr_framerate ++;
531
532 /* Update length */
533 _ext_header->_ext_len++;
534
535 /* Allocate the value */
536 _ext_header->_hd_ext = realloc(_ext_header->_hd_ext, sizeof(rtp_ext_header_t) * _ext_header->_ext_len);
537 assert(_ext_header->_hd_ext);
538
539 /* Reset other values */
540 _ext_header->_hd_ext[_session->_exthdr_framerate] = _exthdr_framerate;
541 }
542 }
543
544 /* Add flag */
545 _ext_header->_ext_type |= RTP_EXT_TYPE_RESOLUTION;
546
547 _ext_header->_hd_ext[_session->_exthdr_resolution] = _width << 16 | ( uint32_t ) _height;
548
549 return SUCCESS;
550}
551
552int rtp_remove_resolution_marking ( rtp_session_t* _session )
553{
554 if ( _session->_extension == 0 || ! ( _session->_ext_header ) ) {
555 t_perror ( RTP_ERROR_INVALID_EXTERNAL_HEADER );
556 return FAILURE;
557 }
558
559 if ( !( _session->_ext_header->_ext_type & RTP_EXT_TYPE_RESOLUTION ) ) {
560 t_perror ( RTP_ERROR_INVALID_EXTERNAL_HEADER );
561 return FAILURE;
562 }
563
564 _session->_ext_header->_ext_type &= ~RTP_EXT_TYPE_RESOLUTION; /* Remove the flag */
565 _session->_exthdr_resolution = -1; /* Remove identifier */
566
567 /* Check if extension is empty */
568 if ( _session->_ext_header->_ext_type == 0 ){
569
570 free ( _session->_ext_header->_hd_ext );
571 free ( _session->_ext_header );
572
573 _session->_ext_header = NULL; /* It's very important */
574 _session->_extension = 0;
575
576 } else {
577 _session->_ext_header->_ext_len --;
578
579 /* this will also be needed to change if there are more than 2 headers */
580 if ( _session->_ext_header->_ext_type & RTP_EXT_TYPE_FRAMERATE ){
581 memcpy(_session->_ext_header->_hd_ext + 1, _session->_ext_header->_hd_ext, _session->_ext_header->_ext_len);
582 _session->_exthdr_framerate = 0;
583 _session->_ext_header->_hd_ext = realloc( _session->_ext_header->_hd_ext, sizeof( rtp_ext_header_t ) * _session->_ext_header->_ext_len );
584 assert(_session->_ext_header->_hd_ext);
585 }
586 }
587
588 return SUCCESS;
589}
590
591int rtp_add_framerate_marking ( rtp_session_t* _session, uint32_t _value )
592{
593 if ( !_session )
594 return FAILURE;
595
596 rtp_ext_header_t* _ext_header = _session->_ext_header;
597 _session->_exthdr_framerate = 0;
598
599 if ( ! ( _ext_header ) ) {
600 _session->_ext_header = calloc (sizeof(rtp_ext_header_t), 1);
601 assert(_session->_ext_header);
602
603 _session->_extension = 1;
604 _session->_ext_header->_ext_len = 1;
605 _ext_header = _session->_ext_header;
606 _session->_ext_header->_hd_ext = calloc(sizeof(uint32_t), 1);
607 assert(_session->_ext_header->_hd_ext);
608 } else { /* If there is need for more headers this will be needed to change */
609 if ( !(_ext_header->_ext_type & RTP_EXT_TYPE_FRAMERATE) ){
610 /* it's position is at 2nd place by default */
611 _session->_exthdr_framerate ++;
612
613 /* Update length */
614 _ext_header->_ext_len++;
615
616 /* Allocate the value */
617 _ext_header->_hd_ext = realloc(_ext_header->_hd_ext, sizeof(rtp_ext_header_t) * _ext_header->_ext_len);
618 assert(_ext_header->_hd_ext);
619
620 }
621 }
622
623 /* Add flag */
624 _ext_header->_ext_type |= RTP_EXT_TYPE_FRAMERATE;
625
626 _ext_header->_hd_ext[_session->_exthdr_framerate] = _value;
627
628 return SUCCESS;
629}
630
631
632int rtp_remove_framerate_marking ( rtp_session_t* _session )
633{
634 if ( _session->_extension == 0 || ! ( _session->_ext_header ) ) {
635 t_perror ( RTP_ERROR_INVALID_EXTERNAL_HEADER );
636 return FAILURE;
637 }
638
639 if ( !( _session->_ext_header->_ext_type & RTP_EXT_TYPE_FRAMERATE ) ) {
640 t_perror ( RTP_ERROR_INVALID_EXTERNAL_HEADER );
641 return FAILURE;
642 }
643
644 _session->_ext_header->_ext_type &= ~RTP_EXT_TYPE_FRAMERATE; /* Remove the flag */
645 _session->_exthdr_framerate = -1; /* Remove identifier */
646 _session->_ext_header->_ext_len --;
647
648 /* Check if extension is empty */
649 if ( _session->_ext_header->_ext_type == 0 ){
650
651 free ( _session->_ext_header->_hd_ext );
652 free ( _session->_ext_header );
653
654 _session->_ext_header = NULL; /* It's very important */
655 _session->_extension = 0;
656
657 } else if ( !_session->_ext_header->_ext_len ) {
658
659 /* this will also be needed to change if there are more than 2 headers */
660 _session->_ext_header->_hd_ext = realloc( _session->_ext_header->_hd_ext, sizeof( rtp_ext_header_t ) * _session->_ext_header->_ext_len );
661 assert(_session->_ext_header->_hd_ext);
662
663 }
664
665 return SUCCESS;
666}
667
668uint32_t rtp_get_framerate_marking ( rtp_ext_header_t* _header )
669{
670 if ( _header->_ext_len == 1 ){
671 return _header->_hd_ext[0];
672 } else {
673 return _header->_hd_ext[1];
674 }
675}
676
677int rtp_set_prefix ( rtp_session_t* _session, uint8_t* _prefix, uint16_t _prefix_length )
678{
679 if ( !_session )
680 return FAILURE;
681
682 if ( _session->_prefix ) {
683 free ( _session->_prefix );
684 }
685
686 _session->_prefix = calloc ( ( sizeof * _session->_prefix ), _prefix_length );
687 assert(_session->_prefix);
688
689 t_memcpy ( _session->_prefix, _prefix, _prefix_length );
690 _session->_prefix_length = _prefix_length;
691
692 return SUCCESS;
693}
diff --git a/toxrtp/toxrtp.h b/toxrtp/toxrtp.h
deleted file mode 100644
index 0aa89993..00000000
--- a/toxrtp/toxrtp.h
+++ /dev/null
@@ -1,188 +0,0 @@
1/* rtp_impl.h
2 *
3 * Rtp implementation includes rtp_session_s struct which is a session identifier.
4 * It contains session information and it's a must for every session.
5 * It's best if you don't touch any variable directly but use callbacks to do so. !Red!
6 *
7 *
8 * Copyright (C) 2013 Tox project All Rights Reserved.
9 *
10 * This file is part of Tox.
11 *
12 * Tox is free software: you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation, either version 3 of the License, or
15 * (at your option) any later version.
16 *
17 * Tox is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
24 *
25 */
26
27
28#ifndef _RTP__IMPL_H_
29#define _RTP__IMPL_H_
30
31#define RTP_VERSION 2
32#include <inttypes.h>
33#include "tox.h"
34#include <pthread.h>
35/* Extension header flags */
36#define RTP_EXT_TYPE_RESOLUTION 0x01
37#define RTP_EXT_TYPE_FRAMERATE 0x02
38
39/* Some defines */
40
41#define RTP_PACKET 70
42
43/* Payload identifiers */
44
45/* Audio */
46#define _PAYLOAD_OPUS 96
47
48/* Video */
49#define _PAYLOAD_VP8 106
50
51/* End of Payload identifiers */
52
53/* End of defines */
54
55
56/* Our main session descriptor.
57 * It measures the session variables and controls
58 * the entire session. There are functions for manipulating
59 * the session so tend to use those instead of directly accessing
60 * session parameters.
61 */
62typedef struct rtp_session_s {
63 uint8_t _version;
64 uint8_t _padding;
65 uint8_t _extension;
66 uint8_t _cc;
67 uint8_t _marker;
68 uint8_t _payload_type;
69 uint16_t _sequence_number; /* Set when sending */
70 uint16_t _last_sequence_number; /* Check when recving msg */
71 uint32_t _initial_time;
72 uint32_t _time_elapsed;
73 uint32_t _current_timestamp;
74 uint32_t _ssrc;
75 uint32_t *_csrc;
76
77
78 /* If some additional data must be sent via message
79 * apply it here. Only by allocating this member you will be
80 * automatically placing it within a message.
81 */
82
83 struct rtp_ext_header_s *_ext_header;
84 /* External header identifiers */
85 int _exthdr_resolution;
86 int _exthdr_framerate;
87
88 int _max_users; /* -1 undefined */
89
90 uint64_t _packets_sent; /* measure packets */
91 uint64_t _packets_recv;
92
93 uint64_t _bytes_sent;
94 uint64_t _bytes_recv;
95
96 uint64_t _packet_loss;
97
98 const char *_last_error;
99
100 struct rtp_dest_list_s *_dest_list;
101 struct rtp_dest_list_s *_last_user; /* a tail for faster appending */
102
103 struct rtp_msg_s *_oldest_msg;
104 struct rtp_msg_s *_last_msg; /* tail */
105
106 uint16_t _prefix_length;
107 uint8_t *_prefix;
108
109 /* Specifies multiple session use.
110 * When using one session it uses default value ( -1 )
111 * Otherwise it's set to 1 and rtp_register_msg () is required
112 */
113 int _multi_session;
114
115 uint32_t _current_framerate;
116
117 pthread_mutex_t _mutex;
118
119} rtp_session_t;
120
121
122/*
123 * Now i don't believe we need to store this _from thing every time
124 * since we have csrc table but will leave it like this for a while
125 */
126
127
128void rtp_free_msg ( rtp_session_t *_session, struct rtp_msg_s *_msg );
129int rtp_release_session_recv ( rtp_session_t *_session );
130
131/* Functions handling receiving */
132struct rtp_msg_s *rtp_recv_msg ( rtp_session_t *_session );
133void rtp_store_msg ( rtp_session_t *_session, struct rtp_msg_s *_msg );
134
135/*
136 * rtp_msg_parse() stores headers separately from the payload data
137 * and so the _length variable is set accordingly
138 */
139struct rtp_msg_s *rtp_msg_parse ( rtp_session_t *_session, const uint8_t *_data, uint32_t _length );
140
141int rtp_check_late_message (rtp_session_t *_session, struct rtp_msg_s *_msg);
142void rtp_register_msg ( rtp_session_t *_session, struct rtp_msg_s * );
143
144/* Functions handling sending */
145int rtp_send_msg ( rtp_session_t *_session, struct rtp_msg_s *_msg, void *_core_handler );
146
147/*
148 * rtp_msg_new() stores headers and payload data in one container ( _data )
149 * and the _length is set accordingly. Returned message is used for sending only
150 * so there is not much use of the headers there
151 */
152struct rtp_msg_s *rtp_msg_new ( rtp_session_t *_session, const uint8_t *_data, uint32_t _length );
153
154
155/* Convenient functions for creating a header */
156struct rtp_header_s *rtp_build_header ( rtp_session_t *_session );
157
158/* Functions handling session control */
159
160/* Handling an rtp packet */
161/* int rtp_handlepacket(uint8_t * packet, uint32_t length, IP_Port source); */
162
163/* Session initiation and termination.
164 * Set _multi_session to -1 if not using multiple sessions
165 */
166rtp_session_t *rtp_init_session ( int _max_users, int _multi_session );
167int rtp_terminate_session ( rtp_session_t *_session );
168
169/* Adding receiver */
170int rtp_add_receiver ( rtp_session_t *_session, tox_IP_Port *_dest );
171
172/* Convenient functions for marking the resolution */
173int rtp_add_resolution_marking ( rtp_session_t *_session, uint16_t _width, uint16_t _height );
174int rtp_remove_resolution_marking ( rtp_session_t *_session );
175uint16_t rtp_get_resolution_marking_height ( struct rtp_ext_header_s *_header, uint32_t _position );
176uint16_t rtp_get_resolution_marking_width ( struct rtp_ext_header_s *_header, uint32_t _position );
177
178int rtp_add_framerate_marking ( rtp_session_t *_session, uint32_t _value );
179int rtp_remove_framerate_marking ( rtp_session_t *_session );
180uint32_t rtp_get_framerate_marking ( struct rtp_ext_header_s *_header );
181/* Convenient functions for marking the payload */
182void rtp_set_payload_type ( rtp_session_t *_session, uint8_t _payload_value );
183uint32_t rtp_get_payload_type ( rtp_session_t *_session );
184
185/* When using RTP in core be sure to set prefix when sending via rtp_send_msg */
186int rtp_set_prefix ( rtp_session_t *_session, uint8_t *_prefix, uint16_t _prefix_length );
187
188#endif /* _RTP__IMPL_H_ */
diff --git a/toxrtp/toxrtp_error.c b/toxrtp/toxrtp_error.c
deleted file mode 100644
index 3a7ff9a5..00000000
--- a/toxrtp/toxrtp_error.c
+++ /dev/null
@@ -1,68 +0,0 @@
1
2#ifdef HAVE_CONFIG_H
3#include "config.h"
4#endif /* HAVE_CONFIG_H */
5
6#include "toxrtp_error.h"
7#include "toxrtp_helper.h"
8
9#include <stdio.h>
10#include <stdarg.h>
11#include <string.h>
12#include <stdlib.h>
13#include <assert.h>
14
15typedef struct rtp_error_s {
16 char* _message;
17 int _id;
18
19} rtp_error_t;
20
21static rtp_error_t* _register = NULL;
22static size_t _it = 0;
23
24void t_rtperr_register ( int _id, const char* _info )
25{
26 size_t _info_size = strlen ( _info );
27
28 if ( !_register ) {
29 _register = calloc ( sizeof ( rtp_error_t ), 1 );
30 } else {
31 _register = realloc ( _register, sizeof ( rtp_error_t ) * ( _it + 1 ) );
32 }
33 assert(_register);
34
35
36 rtp_error_t* _current = & _register[_it];
37
38 _current->_id = _id;
39 _current->_message = calloc ( sizeof(char), _info_size );
40 assert(_current->_message);
41
42 t_memcpy ( (uint8_t*)_current->_message, (const uint8_t*)_info, _info_size );
43 _it ++;
44}
45
46const char* t_rtperr ( int _errno )
47{
48 if ( !_register )
49 return "Unregistered";
50
51 uint32_t _i;
52
53 for ( _i = _it; _i--; ) {
54 if ( _register[_i]._id == _errno ) {
55 return _register[_i]._message;
56 }
57 }
58
59 return "Invalid error id!";
60}
61
62void t_rtperr_print ( const char* _val, ... )
63{
64 va_list _args;
65 va_start ( _args, _val );
66 vfprintf ( stderr, _val, _args );
67 va_end ( _args );
68}
diff --git a/toxrtp/toxrtp_error.h b/toxrtp/toxrtp_error.h
deleted file mode 100644
index 0e017246..00000000
--- a/toxrtp/toxrtp_error.h
+++ /dev/null
@@ -1,25 +0,0 @@
1#ifndef _RTP_ERROR_
2#define _RTP_ERROR_
3
4#define PRINT_FORMAT "Error %d: %s at %s:%d\n"
5#define PRINT_ARGS( _errno ) _errno, t_rtperr(_errno), __FILE__, __LINE__
6
7
8const char* t_rtperr ( int _errno );
9void t_rtperr_register ( int _id, const char* _info );
10
11void t_invoke_error ( int _id );
12void t_rtperr_print ( const char* _val, ... );
13
14
15#ifdef _USE_ERRORS
16#define t_perror( _errno ) t_rtperr_print ( PRINT_FORMAT, PRINT_ARGS ( _errno ) )
17#else
18#define t_perror( _errno )do { } while(0)
19#endif /* _USE_ERRORS */
20
21#ifdef _STDIO_H
22#define t_errexit( _errno ) exit(-_errno)
23#endif /* _STDIO_H */
24
25#endif /* _RTP_ERROR_ */
diff --git a/toxrtp/toxrtp_error_id.h b/toxrtp/toxrtp_error_id.h
deleted file mode 100644
index 201aa936..00000000
--- a/toxrtp/toxrtp_error_id.h
+++ /dev/null
@@ -1,32 +0,0 @@
1#ifndef _RTP_ERROR_ID_
2#define _RTP_ERROR_ID_
3
4#include "toxrtp_error.h"
5
6typedef enum error_s {
7 RTP_ERROR_PACKET_DROPED = 1,
8 RTP_ERROR_EMPTY_MESSAGE,
9 RTP_ERROR_STD_SEND_FAILURE,
10 RTP_ERROR_NO_EXTERNAL_HEADER,
11 RTP_ERROR_INVALID_EXTERNAL_HEADER,
12 RTP_ERROR_HEADER_PARSING,
13 RTP_ERROR_PAYLOAD_NULL,
14 RTP_ERROR_PAYLOAD_INVALID,
15
16} error_t;
17
18
19/* Only needed to be called once */
20#ifndef REGISTER_RTP_ERRORS
21#define REGISTER_RTP_ERRORS \
22 t_rtperr_register( RTP_ERROR_PACKET_DROPED, "Ivalid sequence number, packet is late" ); \
23 t_rtperr_register( RTP_ERROR_EMPTY_MESSAGE, "Tried to send an empty message" ); \
24 t_rtperr_register( RTP_ERROR_STD_SEND_FAILURE, "Failed call function: sendto" ); \
25 t_rtperr_register( RTP_ERROR_NO_EXTERNAL_HEADER, "While parsing external header" ); \
26 t_rtperr_register( RTP_ERROR_INVALID_EXTERNAL_HEADER, "While parsing external header" ); \
27 t_rtperr_register( RTP_ERROR_HEADER_PARSING, "While parsing header" ); \
28 t_rtperr_register( RTP_ERROR_PAYLOAD_NULL, "Payload is NULL" ); \
29 t_rtperr_register( RTP_ERROR_PAYLOAD_INVALID, "Invalid payload size" );
30#endif /* REGISTER_RTP_ERRORS */
31
32#endif /* _RTP_ERROR_ID_ */
diff --git a/toxrtp/toxrtp_helper.c b/toxrtp/toxrtp_helper.c
deleted file mode 100644
index 6f952359..00000000
--- a/toxrtp/toxrtp_helper.c
+++ /dev/null
@@ -1,208 +0,0 @@
1/* rtp_helper.c
2*
3* Has some standard functions. !Red!
4*
5*
6* Copyright (C) 2013 Tox project All Rights Reserved.
7*
8* This file is part of Tox.
9*
10* Tox is free software: you can redistribute it and/or modify
11* it under the terms of the GNU General Public License as published by
12* the Free Software Foundation, either version 3 of the License, or
13* (at your option) any later version.
14*
15* Tox is distributed in the hope that it will be useful,
16* but WITHOUT ANY WARRANTY; without even the implied warranty of
17* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18* GNU General Public License for more details.
19*
20* You should have received a copy of the GNU General Public License
21* along with Tox. If not, see <http://www.gnu.org/licenses/>.
22*
23*/
24
25
26
27#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif /* HAVE_CONFIG_H */
30
31#include "toxrtp_helper.h"
32#include "../toxcore/network.h"
33
34#include <assert.h>
35
36#ifdef WIN
37#include <windows.h>
38#endif /* WIN */
39
40
41static int _seed = 0; /* Not initiated */
42
43int t_setipport ( const char *_ip, unsigned short _port, void *_dest )
44{
45 assert(_dest);
46
47 IP_Port *_dest_c = ( IP_Port * ) _dest;
48 ip_init(&_dest_c->ip, 0);
49
50 IP_Port _ipv6_garbage;
51
52 if ( !addr_resolve(_ip, &_dest_c->ip, &_ipv6_garbage.ip) )
53 return FAILURE;
54
55 _dest_c->port = htons ( _port );
56
57 return SUCCESS;
58}
59
60uint32_t t_random ( uint32_t _max )
61{
62 if ( !_seed ) {
63 srand ( t_time() );
64 _seed++;
65 }
66
67 if ( _max <= 0 ) {
68 return ( unsigned ) rand();
69 } else {
70 return ( unsigned ) rand() % _max;
71 }
72}
73
74void t_memcpy ( uint8_t *_dest, const uint8_t *_source, size_t _size )
75{
76 /*
77 * Using countdown to zero method
78 * It's faster than for(_it = 0; _it < _size; _it++);
79 */
80 size_t _it = _size;
81
82 do {
83 _it--;
84 _dest[_it] = _source[_it];
85 } while ( _it );
86
87}
88
89uint8_t *t_memset ( uint8_t *_dest, uint8_t _valu, size_t _size )
90{
91 /*
92 * Again using countdown to zero method
93 */
94 size_t _it = _size;
95
96 do {
97 _it--;
98 _dest[_it] = _valu;
99 } while ( _it );
100
101 return _dest;
102}
103
104size_t t_memlen ( const uint8_t *_valu)
105{
106 const uint8_t *_it;
107 size_t _retu = 0;
108
109 for ( _it = _valu; *_it; ++_it ) ++_retu;
110
111 return _retu;
112}
113
114uint8_t *t_strallcpy ( const uint8_t *_source ) /* string alloc and copy */
115{
116 assert(_source);
117
118 size_t _length = t_memlen(_source) + 1; /* make space for null character */
119
120 uint8_t *_dest = calloc( sizeof ( uint8_t ), _length );
121 assert(_dest);
122
123 t_memcpy(_dest, _source, _length);
124
125 return _dest;
126}
127
128size_t t_strfind ( const uint8_t *_str, const uint8_t *_substr )
129{
130 size_t _pos = 0;
131 size_t _it, _delit = 0;
132
133 for ( _it = 0; _str[_it] != '\0'; _it++ ) {
134 if ( _str[_it] == _substr[_delit] ) {
135 _pos = _it;
136
137 while ( _str[_it] == _substr[_delit] && _str[_it] != '\0' ) {
138 _it ++;
139 _delit++;
140
141 if ( _substr[_delit] == '\0' ) {
142 return _pos;
143 }
144 }
145
146 _delit = 0;
147 _pos = 0;
148 }
149 }
150
151 return _pos;
152}
153
154#ifdef WIN
155#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
156#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
157#else
158#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
159#endif
160
161struct timezone {
162 int tz_minuteswest; /* minutes W of Greenwich */
163 int tz_dsttime; /* type of dst correction */
164};
165
166int gettimeofday(struct timeval *tv, struct timezone *tz)
167{
168 FILETIME ft;
169 unsigned __int64 tmpres = 0;
170 static int tzflag;
171
172 if (NULL != tv) {
173 GetSystemTimeAsFileTime(&ft);
174
175 tmpres |= ft.dwHighDateTime;
176 tmpres <<= 32;
177 tmpres |= ft.dwLowDateTime;
178
179 /*converting file time to unix epoch*/
180 tmpres -= DELTA_EPOCH_IN_MICROSECS;
181 tmpres /= 10; /*convert into microseconds*/
182 tv->tv_sec = (long)(tmpres / 1000000UL);
183 tv->tv_usec = (long)(tmpres % 1000000UL);
184 }
185
186 if (NULL != tz) {
187 if (!tzflag) {
188 _tzset();
189 tzflag++;
190 }
191
192 tz->tz_minuteswest = _timezone / 60;
193 tz->tz_dsttime = _daylight;
194 }
195
196 return 0;
197}
198#endif /* WIN */
199
200
201uint64_t t_time()
202{
203 struct timeval _tv;
204 gettimeofday(&_tv, NULL);
205 uint64_t _retu_usec = _tv.tv_sec % 1000000; /* get 6 digits an leave space for 3 more */
206 _retu_usec = _retu_usec * 1000 + (_tv.tv_usec / 1000 );
207 return _retu_usec;
208}
diff --git a/toxrtp/toxrtp_helper.h b/toxrtp/toxrtp_helper.h
deleted file mode 100644
index c9bcfcca..00000000
--- a/toxrtp/toxrtp_helper.h
+++ /dev/null
@@ -1,77 +0,0 @@
1/* rtp_helper.h
2*
3* Has some standard functions. !Red!
4*
5*
6* Copyright (C) 2013 Tox project All Rights Reserved.
7*
8* This file is part of Tox.
9*
10* Tox is free software: you can redistribute it and/or modify
11* it under the terms of the GNU General Public License as published by
12* the Free Software Foundation, either version 3 of the License, or
13* (at your option) any later version.
14*
15* Tox is distributed in the hope that it will be useful,
16* but WITHOUT ANY WARRANTY; without even the implied warranty of
17* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18* GNU General Public License for more details.
19*
20* You should have received a copy of the GNU General Public License
21* along with Tox. If not, see <http://www.gnu.org/licenses/>.
22*
23*/
24
25#ifndef _RTP__HELPER_H_
26#define _RTP__HELPER_H_
27
28#include <time.h>
29#include <inttypes.h>
30
31/* Current time, unix format */
32/*#define _time ((uint32_t)time(NULL))*/
33
34#define SUCCESS 0
35#define FAILURE -1
36
37#define _USE_ERRORS
38
39#define RUN_IN_THREAD(_func, _thread_id, _arg_ptr) \
40if ( pthread_create ( &_thread_id, NULL, _func, _arg_ptr ) ) { \
41 pthread_detach ( _thread_id ); \
42}
43
44/* Core adaptation helper */
45int t_setipport ( const char* _ip, unsigned short _port, void* _cont );
46uint32_t t_random ( uint32_t _max );
47
48/* It's a bit faster than the memcpy it self and more optimized for using
49 * a uint8_t since memcpy has optimizations when copying "words" i.e. long type.
50 * Otherwise it just copies char's while we need only uint8_t
51 */
52void t_memcpy ( uint8_t* _dest, const uint8_t* _source, size_t _size );
53
54
55/* This is our memset. It's also a bit faster than the memset for it
56 * does not cast _dest to char* and uses faster loop algorithm.
57 */
58uint8_t* t_memset ( uint8_t* _dest, uint8_t _valu, size_t _size );
59
60/* Get null terminated len */
61size_t t_memlen ( const uint8_t* _valu );
62
63/* finds location of substring */
64size_t t_strfind ( const uint8_t* _str, const uint8_t* _substr );
65
66/* string alloc and copy ( ! must be null terminated ) */
67uint8_t* t_strallcpy ( const uint8_t* _source );
68
69/* Get current time in milliseconds */
70uint64_t t_time();
71
72
73#endif /* _RTP__HELPER_H_ */
74
75
76
77
diff --git a/toxrtp/toxrtp_message.c b/toxrtp/toxrtp_message.c
deleted file mode 100644
index e7f1f2c0..00000000
--- a/toxrtp/toxrtp_message.c
+++ /dev/null
@@ -1,351 +0,0 @@
1/* rtp_message.c
2 *
3 * Rtp Message handler. It handles message/header parsing.
4 * Refer to RTP: A Transport Protocol for Real-Time Applications ( RFC 3550 ) for more info. !Red!
5 *
6 *
7 * Copyright (C) 2013 Tox project All Rights Reserved.
8 *
9 * This file is part of Tox.
10 *
11 * Tox is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * Tox is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
23 *
24 */
25
26#ifdef HAVE_CONFIG_H
27#include "config.h"
28#endif /* HAVE_CONFIG_H */
29
30#include "toxrtp_message.h"
31#include "toxrtp.h"
32#include <stdio.h>
33
34#ifdef _USE_ERRORS
35#include "toxrtp_error_id.h"
36#endif /* _USE_ERRORS */
37
38#include <assert.h>
39
40/* Some defines */
41
42/* End of defines */
43
44void rtp_header_print (const rtp_header_t* _header)
45{
46 printf("Header: \n"
47 "Version: %d\n"
48 "Padding: %d\n"
49 "Ext: %d\n"
50 "CC: %d\n"
51 "marker: %d\n"
52 "payload typ:%d\n\n"
53 "sequ num: %d\n"
54 "Timestamp: %d\n"
55 "SSrc: %d\n"
56 "CSrc: %d\n"
57 "Lenght: %d\n"
58 ,rtp_header_get_flag_version(_header)
59 ,rtp_header_get_flag_padding(_header)
60 ,rtp_header_get_flag_extension(_header)
61 ,rtp_header_get_flag_CSRC_count(_header)
62 ,rtp_header_get_setting_marker(_header)
63 ,rtp_header_get_setting_payload_type(_header)
64 ,_header->_sequence_number
65 ,_header->_timestamp
66 ,_header->_ssrc
67 ,_header->_csrc[0]
68 ,_header->_length
69 );
70}
71
72rtp_header_t* rtp_extract_header ( const uint8_t* _payload, size_t _bytes )
73{
74 if ( !_payload ) {
75 t_perror ( RTP_ERROR_PAYLOAD_NULL );
76 return NULL;
77 }
78 const uint8_t* _it = _payload;
79
80 rtp_header_t* _retu = calloc(sizeof(rtp_header_t), 1);
81 assert(_retu);
82
83 _retu->_flags = *_it; ++_it;
84
85 /* This indicates if the first 2 bytes are valid.
86 * Now it my happen that this is out of order but
87 * it cuts down chances of parsing some invalid value
88 */
89 if ( rtp_header_get_flag_version(_retu) != RTP_VERSION ){
90 printf("Invalid version: %d\n", rtp_header_get_flag_version(_retu));
91 //assert(rtp_header_get_flag_version(_retu) == RTP_VERSION);
92 /* Deallocate */
93 //DEALLOCATOR(_retu);
94 //return NULL;
95 }
96
97 /*
98 * Added a check for the size of the header little sooner so
99 * I don't need to parse the other stuff if it's bad
100 */
101 uint8_t cc = rtp_header_get_flag_CSRC_count ( _retu );
102 uint32_t _lenght = _MIN_HEADER_LENGTH + ( cc * 4 );
103
104 if ( _bytes < _lenght ) {
105 t_perror ( RTP_ERROR_PAYLOAD_INVALID );
106 return NULL;
107 }
108
109 if ( cc > 0 ) {
110 _retu->_csrc = calloc ( sizeof ( uint32_t ), cc );
111 assert(_retu->_csrc);
112
113 } else { /* But this should not happen ever */
114 t_perror ( RTP_ERROR_HEADER_PARSING );
115 return NULL;
116 }
117
118
119 _retu->_marker_payload_t = *_it; ++_it;
120 _retu->_length = _lenght;
121 _retu->_sequence_number = ( ( uint16_t ) * _it << 8 ) | * ( _it + 1 );
122
123 _it += 2;
124
125 _retu->_timestamp = ( ( uint32_t ) * _it << 24 ) |
126 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
127 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
128 ( * ( _it + 3 ) ) ;
129
130 _it += 4;
131
132 _retu->_ssrc = ( ( uint32_t ) * _it << 24 ) |
133 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
134 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
135 ( ( uint32_t ) * ( _it + 3 ) ) ;
136
137
138 size_t x;
139 for ( x = 0; x < cc; x++ ) {
140 _it += 4;
141 _retu->_csrc[x] = ( ( uint32_t ) * _it << 24 ) |
142 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
143 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
144 ( ( uint32_t ) * ( _it + 3 ) ) ;
145 }
146
147 return _retu;
148}
149
150rtp_ext_header_t* rtp_extract_ext_header ( const uint8_t* _payload, size_t _bytes )
151{
152 if ( !_payload ) {
153 t_perror ( RTP_ERROR_PAYLOAD_NULL );
154 return NULL;
155 }
156
157
158
159 const uint8_t* _it = _payload;
160
161 rtp_ext_header_t* _retu = calloc(sizeof(rtp_ext_header_t), 1);
162 assert(_retu);
163
164 uint16_t _ext_len = ( ( uint16_t ) * _it << 8 ) | * ( _it + 1 ); _it += 2;
165
166 if ( _bytes < ( _ext_len * sizeof(uint32_t) ) ) {
167 t_perror ( RTP_ERROR_PAYLOAD_INVALID );
168 return NULL;
169 }
170
171 _retu->_ext_len = _ext_len;
172 _retu->_ext_type = ( ( uint16_t ) * _it << 8 ) | * ( _it + 1 ); _it -= 2;
173
174 _retu->_hd_ext = calloc(sizeof(uint32_t), _ext_len);
175 assert(_retu->_hd_ext);
176
177 uint32_t* _hd_ext = _retu->_hd_ext;
178 size_t i;
179 for ( i = 0; i < _ext_len; i++ ) {
180 _it += 4;
181 _hd_ext[i] = ( ( uint32_t ) * _it << 24 ) |
182 ( ( uint32_t ) * ( _it + 1 ) << 16 ) |
183 ( ( uint32_t ) * ( _it + 2 ) << 8 ) |
184 ( ( uint32_t ) * ( _it + 3 ) ) ;
185 }
186
187 return _retu;
188}
189
190uint8_t* rtp_add_header ( rtp_header_t* _header, uint8_t* _payload )
191{
192 uint8_t cc = rtp_header_get_flag_CSRC_count ( _header );
193
194 uint8_t* _it = _payload;
195
196 *_it = _header->_flags; ++_it;
197 *_it = _header->_marker_payload_t; ++_it;
198
199 *_it = ( _header->_sequence_number >> 8 ); ++_it;
200 *_it = ( _header->_sequence_number ); ++_it;
201
202 uint32_t _timestamp = _header->_timestamp;
203 *_it = ( _timestamp >> 24 ); ++_it;
204 *_it = ( _timestamp >> 16 ); ++_it;
205 *_it = ( _timestamp >> 8 ); ++_it;
206 *_it = ( _timestamp ); ++_it;
207
208 uint32_t _ssrc = _header->_ssrc;
209 *_it = ( _ssrc >> 24 ); ++_it;
210 *_it = ( _ssrc >> 16 ); ++_it;
211 *_it = ( _ssrc >> 8 ); ++_it;
212 *_it = ( _ssrc );
213
214 uint32_t *_csrc = _header->_csrc;
215 size_t x;
216 for ( x = 0; x < cc; x++ ) {
217 ++_it;
218 *_it = ( _csrc[x] >> 24 ); ++_it;
219 *_it = ( _csrc[x] >> 16 ); ++_it;
220 *_it = ( _csrc[x] >> 8 ); ++_it;
221 *_it = ( _csrc[x] );
222 }
223
224 return _it;
225}
226
227uint8_t* rtp_add_extention_header ( rtp_ext_header_t* _header, uint8_t* _payload )
228{
229 uint8_t* _it = _payload;
230
231 *_it = ( _header->_ext_len >> 8 ); _it++;
232 *_it = ( _header->_ext_len ); _it++;
233
234 *_it = ( _header->_ext_type >> 8 ); ++_it;
235 *_it = ( _header->_ext_type );
236
237 size_t x;
238
239 uint32_t* _hd_ext = _header->_hd_ext;
240 for ( x = 0; x < _header->_ext_len; x++ ) {
241 ++_it;
242 *_it = ( _hd_ext[x] >> 24 ); ++_it;
243 *_it = ( _hd_ext[x] >> 16 ); ++_it;
244 *_it = ( _hd_ext[x] >> 8 ); ++_it;
245 *_it = ( _hd_ext[x] );
246 }
247
248 return _it;
249}
250
251size_t rtp_header_get_size ( const rtp_header_t* _header )
252{
253 return ( 8 + ( rtp_header_get_flag_CSRC_count ( _header ) * 4 ) );
254}
255/* Setting flags */
256
257void rtp_header_add_flag_version ( rtp_header_t* _header, uint32_t value )
258{
259 ( _header->_flags ) &= 0x3F;
260 ( _header->_flags ) |= ( ( ( value ) << 6 ) & 0xC0 );
261}
262
263void rtp_header_add_flag_padding ( rtp_header_t* _header, uint32_t value )
264{
265 if ( value > 0 ) {
266 value = 1; /* It can only be 1 */
267 }
268
269 ( _header->_flags ) &= 0xDF;
270 ( _header->_flags ) |= ( ( ( value ) << 5 ) & 0x20 );
271}
272
273void rtp_header_add_flag_extension ( rtp_header_t* _header, uint32_t value )
274{
275 if ( value > 0 ) {
276 value = 1; /* It can only be 1 */
277 }
278
279 ( _header->_flags ) &= 0xEF;
280 ( _header->_flags ) |= ( ( ( value ) << 4 ) & 0x10 );
281}
282
283void rtp_header_add_flag_CSRC_count ( rtp_header_t* _header, uint32_t value )
284{
285 ( _header->_flags ) &= 0xF0;
286 ( _header->_flags ) |= ( ( value ) & 0x0F );
287}
288
289void rtp_header_add_setting_marker ( rtp_header_t* _header, uint32_t value )
290{
291 if ( value > 1 )
292 value = 1;
293
294 ( _header->_marker_payload_t ) &= 0x7F;
295 ( _header->_marker_payload_t ) |= ( ( ( value ) << 7 ) /*& 0x80 */ );
296}
297
298void rtp_header_add_setting_payload ( rtp_header_t* _header, uint32_t value )
299{
300 if ( value > 127 )
301 value = 127; /* Well set to maximum */
302
303 ( _header->_marker_payload_t ) &= 0x80;
304 ( _header->_marker_payload_t ) |= ( ( value ) /* & 0x7F */ );
305}
306
307/* Getting values from flags */
308uint8_t rtp_header_get_flag_version ( const rtp_header_t* _header )
309{
310 return ( _header->_flags & 0xd0 ) >> 6;
311}
312
313uint8_t rtp_header_get_flag_padding ( const rtp_header_t* _header )
314{
315 return ( _header->_flags & 0x20 ) >> 5;
316}
317
318uint8_t rtp_header_get_flag_extension ( const rtp_header_t* _header )
319{
320 return ( _header->_flags & 0x10 ) >> 4;
321}
322
323uint8_t rtp_header_get_flag_CSRC_count ( const rtp_header_t* _header )
324{
325 return ( _header->_flags & 0x0f );
326}
327uint8_t rtp_header_get_setting_marker ( const rtp_header_t* _header )
328{
329 return ( _header->_marker_payload_t ) >> 7;
330}
331uint8_t rtp_header_get_setting_payload_type ( const rtp_header_t* _header )
332{
333 /*
334 uint8_t _retu;
335
336 if ( _header->_marker_payload_t >> 7 == 1 ) {
337 _header->_marker_payload_t ^= 0x80;
338 _retu = _header->_marker_payload_t;
339 _header->_marker_payload_t ^= 0x80;
340 } else {
341 _retu = _header->_marker_payload_t;
342 }
343 */
344 /* return to start value
345 return _retu; */
346 return _header->_marker_payload_t & 0x7f;
347}
348
349/* */
350
351
diff --git a/toxrtp/toxrtp_message.h b/toxrtp/toxrtp_message.h
deleted file mode 100644
index 8feea5d9..00000000
--- a/toxrtp/toxrtp_message.h
+++ /dev/null
@@ -1,111 +0,0 @@
1/* rtp_message.h
2 *
3 * Rtp Message handler. It handles message/header parsing.
4 * Refer to RTP: A Transport Protocol for Real-Time Applications ( RFC 3550 ) for more info. !Red!
5 *
6 *
7 * Copyright (C) 2013 Tox project All Rights Reserved.
8 *
9 * This file is part of Tox.
10 *
11 * Tox is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * Tox is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
23 *
24 */
25
26#ifndef _RTP__MESSAGE_H_
27#define _RTP__MESSAGE_H_
28
29#include "../toxcore/network.h"
30#include "toxrtp_helper.h"
31#include "../toxcore/tox.h"
32/* Defines */
33
34#define _MAX_SEQU_NUM 65535
35
36/* Minimum size */
37#define _MIN_HEADER_LENGTH 12
38#define _MIN_EXT_HEADER_LENGTH 4
39
40/* End of defines */
41
42
43typedef struct rtp_dest_list_s {
44 tox_IP_Port _dest;
45 struct rtp_dest_list_s* next;
46
47} rtp_dest_list_t;
48
49typedef struct rtp_header_s {
50 uint8_t _flags; /* Version(2),Padding(1), Ext(1), Cc(4) */
51 uint8_t _marker_payload_t; /* Marker(1), PlayLoad Type(7) */
52 uint16_t _sequence_number; /* Sequence Number */
53 uint32_t _timestamp; /* Timestamp */
54 uint32_t _ssrc; /* SSRC */
55 uint32_t* _csrc; /* CSRC's table */
56
57 uint32_t _length; /* A little something for allocation */
58
59} rtp_header_t;
60
61typedef struct rtp_ext_header_s {
62 uint16_t _ext_type; /* Extension profile */
63 uint16_t _ext_len; /* Number of extensions */
64 uint32_t* _hd_ext; /* Extension's table */
65
66
67} rtp_ext_header_t;
68
69typedef struct rtp_msg_s {
70 struct rtp_header_s* _header;
71 struct rtp_ext_header_s* _ext_header;
72 uint32_t _header_lenght;
73
74 uint8_t* _data;
75 uint32_t _length;
76 tox_IP_Port _from;
77
78 struct rtp_msg_s* _next;
79} rtp_msg_t;
80
81/* Extracts the header from the payload starting at _from */
82rtp_header_t* rtp_extract_header ( const uint8_t* _payload, size_t _bytes );
83rtp_ext_header_t* rtp_extract_ext_header ( const uint8_t* _payload, size_t _bytes );
84
85
86uint8_t* rtp_add_header ( rtp_header_t* _header, uint8_t* _payload );
87uint8_t* rtp_add_extention_header ( rtp_ext_header_t* _header, uint8_t* _payload );
88
89/* Gets the size of the header _header in bytes */
90size_t rtp_header_get_size ( const rtp_header_t* _header );
91
92void rtp_header_print (const rtp_header_t* _header);
93
94/* Adding flags and settings */
95void rtp_header_add_flag_version ( rtp_header_t* _header, uint32_t value );
96void rtp_header_add_flag_padding ( rtp_header_t* _header, uint32_t value );
97void rtp_header_add_flag_extension ( rtp_header_t* _header, uint32_t value );
98void rtp_header_add_flag_CSRC_count ( rtp_header_t* _header, uint32_t value );
99void rtp_header_add_setting_marker ( rtp_header_t* _header, uint32_t value );
100void rtp_header_add_setting_payload ( rtp_header_t* _header, uint32_t value );
101
102
103/* Getting values from flags and settings */
104uint8_t rtp_header_get_flag_version ( const rtp_header_t* _header );
105uint8_t rtp_header_get_flag_padding ( const rtp_header_t* _header );
106uint8_t rtp_header_get_flag_extension ( const rtp_header_t* _header );
107uint8_t rtp_header_get_flag_CSRC_count ( const rtp_header_t* _header );
108uint8_t rtp_header_get_setting_marker ( const rtp_header_t* _header );
109uint8_t rtp_header_get_setting_payload_type ( const rtp_header_t* _header );
110
111#endif /* _RTP__MESSAGE_H_ */