3 Copyright (C) 2010 Simon MORLAT (simon.morlat@free.fr)
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include "linphonecore.h"
25 #include "mediastreamer2/mediastream.h"
28 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details);
30 static int media_parameters_changed(LinphoneCall *call, SalMediaDescription *oldmd, SalMediaDescription *newmd) {
31 if (call->params.in_conference != call->current_params.in_conference) return SAL_MEDIA_DESCRIPTION_CHANGED;
32 if (call->up_bw != linphone_core_get_upload_bandwidth(call->core)) return SAL_MEDIA_DESCRIPTION_CHANGED;
33 return sal_media_description_equals(oldmd, newmd);
36 void linphone_core_update_streams_destinations(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md) {
37 SalStreamDescription *old_audiodesc = NULL;
38 SalStreamDescription *old_videodesc = NULL;
39 SalStreamDescription *new_audiodesc = NULL;
40 SalStreamDescription *new_videodesc = NULL;
41 char *rtp_addr, *rtcp_addr;
44 for (i = 0; i < old_md->n_active_streams; i++) {
45 if (old_md->streams[i].type == SalAudio) {
46 old_audiodesc = &old_md->streams[i];
47 } else if (old_md->streams[i].type == SalVideo) {
48 old_videodesc = &old_md->streams[i];
51 for (i = 0; i < new_md->n_active_streams; i++) {
52 if (new_md->streams[i].type == SalAudio) {
53 new_audiodesc = &new_md->streams[i];
54 } else if (new_md->streams[i].type == SalVideo) {
55 new_videodesc = &new_md->streams[i];
58 if (call->audiostream && new_audiodesc) {
59 rtp_addr = (new_audiodesc->rtp_addr[0] != '\0') ? new_audiodesc->rtp_addr : new_md->addr;
60 rtcp_addr = (new_audiodesc->rtcp_addr[0] != '\0') ? new_audiodesc->rtcp_addr : new_md->addr;
61 ms_message("Change audio stream destination: RTP=%s:%d RTCP=%s:%d", rtp_addr, new_audiodesc->rtp_port, rtcp_addr, new_audiodesc->rtcp_port);
62 rtp_session_set_remote_addr_full(call->audiostream->ms.session, rtp_addr, new_audiodesc->rtp_port, rtcp_addr, new_audiodesc->rtcp_port);
65 if (call->videostream && new_videodesc) {
66 rtp_addr = (new_videodesc->rtp_addr[0] != '\0') ? new_videodesc->rtp_addr : new_md->addr;
67 rtcp_addr = (new_videodesc->rtcp_addr[0] != '\0') ? new_videodesc->rtcp_addr : new_md->addr;
68 ms_message("Change video stream destination: RTP=%s:%d RTCP=%s:%d", rtp_addr, new_videodesc->rtp_port, rtcp_addr, new_videodesc->rtcp_port);
69 rtp_session_set_remote_addr_full(call->videostream->ms.session, rtp_addr, new_videodesc->rtp_port, rtcp_addr, new_videodesc->rtcp_port);
73 /* Copy address and port values from new_md to old_md since we will keep old_md as resultdesc */
74 strcpy(old_md->addr, new_md->addr);
75 if (old_audiodesc && new_audiodesc) {
76 strcpy(old_audiodesc->rtp_addr, new_audiodesc->rtp_addr);
77 strcpy(old_audiodesc->rtcp_addr, new_audiodesc->rtcp_addr);
78 old_audiodesc->rtp_port = new_audiodesc->rtp_port;
79 old_audiodesc->rtcp_port = new_audiodesc->rtcp_port;
81 if (old_videodesc && new_videodesc) {
82 strcpy(old_videodesc->rtp_addr, new_videodesc->rtp_addr);
83 strcpy(old_videodesc->rtcp_addr, new_videodesc->rtcp_addr);
84 old_videodesc->rtp_port = new_videodesc->rtp_port;
85 old_videodesc->rtcp_port = new_videodesc->rtcp_port;
89 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md){
90 SalMediaDescription *oldmd=call->resultdesc;
92 if (lc->ringstream!=NULL){
93 ring_stop(lc->ringstream);
97 sal_media_description_ref(new_md);
98 call->media_pending=FALSE;
100 call->media_pending=TRUE;
102 call->resultdesc=new_md;
103 if ((call->audiostream && call->audiostream->ms.ticker) || (call->videostream && call->videostream->ms.ticker)){
104 /* we already started media: check if we really need to restart it*/
106 int md_changed = media_parameters_changed(call, oldmd, new_md);
107 if ((md_changed & SAL_MEDIA_DESCRIPTION_CODEC_CHANGED) || call->playing_ringbacktone) {
108 ms_message("Media descriptions are different, need to restart the streams.");
110 if (md_changed == SAL_MEDIA_DESCRIPTION_UNCHANGED) {
111 /*as nothing has changed, keep the oldmd */
112 call->resultdesc=oldmd;
113 sal_media_description_unref(new_md);
114 if (call->all_muted){
115 ms_message("Early media finished, unmuting inputs...");
116 /*we were in early media, now we want to enable real media */
117 linphone_call_enable_camera (call,linphone_call_camera_enabled (call));
118 if (call->audiostream)
119 linphone_core_mute_mic (lc, linphone_core_is_mic_muted(lc));
121 if (call->videostream && call->camera_active)
122 video_stream_change_camera(call->videostream,lc->video_conf.device );
125 ms_message("No need to restart streams, SDP is unchanged.");
129 if (md_changed & SAL_MEDIA_DESCRIPTION_NETWORK_CHANGED) {
130 ms_message("Network parameters have changed, update them.");
131 linphone_core_update_streams_destinations(lc, call, oldmd, new_md);
133 if (md_changed & SAL_MEDIA_DESCRIPTION_CRYPTO_CHANGED) {
134 ms_message("Crypto parameters have changed, update them.");
135 linphone_call_update_crypto_parameters(call, oldmd, new_md);
137 call->resultdesc = oldmd;
138 sal_media_description_unref(new_md);
143 linphone_call_stop_media_streams (call);
144 linphone_call_init_media_streams (call);
147 sal_media_description_unref(oldmd);
150 bool_t all_muted=FALSE;
151 bool_t send_ringbacktone=FALSE;
153 if (call->audiostream==NULL){
154 /*this happens after pausing the call locally. The streams are destroyed and then we wait the 200Ok to recreate them*/
155 linphone_call_init_media_streams (call);
157 if (call->state==LinphoneCallIncomingEarlyMedia && linphone_core_get_remote_ringback_tone (lc)!=NULL){
158 send_ringbacktone=TRUE;
160 if (call->state==LinphoneCallIncomingEarlyMedia ||
161 (call->state==LinphoneCallOutgoingEarlyMedia && !call->params.real_early_media)){
164 linphone_call_start_media_streams(call,all_muted,send_ringbacktone);
166 if (call->state==LinphoneCallPausing && call->paused_by_app && ms_list_size(lc->calls)==1){
167 linphone_core_play_named_tone(lc,LinphoneToneCallOnHold);
171 static bool_t is_duplicate_call(LinphoneCore *lc, const LinphoneAddress *from, const LinphoneAddress *to){
173 for(elem=lc->calls;elem!=NULL;elem=elem->next){
174 LinphoneCall *call=(LinphoneCall*)elem->data;
175 if (linphone_address_weak_equal(call->log->from,from) &&
176 linphone_address_weak_equal(call->log->to, to)){
184 static bool_t already_a_call_with_remote_address(const LinphoneCore *lc, const LinphoneAddress *remote) {
185 ms_warning(" searching for already_a_call_with_remote_address.");
188 for(elem=lc->calls;elem!=NULL;elem=elem->next){
189 const LinphoneCall *call=(LinphoneCall*)elem->data;
190 const LinphoneAddress *cRemote=linphone_call_get_remote_address(call);
191 if (linphone_address_weak_equal(cRemote,remote)) {
192 ms_warning("already_a_call_with_remote_address found.");
199 static bool_t already_a_call_pending(LinphoneCore *lc){
201 for(elem=lc->calls;elem!=NULL;elem=elem->next){
202 LinphoneCall *call=(LinphoneCall*)elem->data;
203 if (call->state==LinphoneCallIncomingReceived
204 || call->state==LinphoneCallOutgoingInit
205 || call->state==LinphoneCallOutgoingProgress
206 || call->state==LinphoneCallOutgoingEarlyMedia
207 || call->state==LinphoneCallOutgoingRinging){
214 static void call_received(SalOp *h){
215 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
217 const char *from,*to;
218 LinphoneAddress *from_addr, *to_addr;
219 bool_t prevent_colliding_calls=lp_config_get_int(lc->config,"sip","prevent_colliding_calls",TRUE);
221 /* first check if we can answer successfully to this invite */
222 if (lc->presence_mode==LinphoneStatusBusy ||
223 lc->presence_mode==LinphoneStatusOffline ||
224 lc->presence_mode==LinphoneStatusDoNotDisturb ||
225 lc->presence_mode==LinphoneStatusMoved){
226 if (lc->presence_mode==LinphoneStatusBusy )
227 sal_call_decline(h,SalReasonBusy,NULL);
228 else if (lc->presence_mode==LinphoneStatusOffline)
229 sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
230 else if (lc->presence_mode==LinphoneStatusDoNotDisturb)
231 sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
232 else if (lc->alt_contact!=NULL && lc->presence_mode==LinphoneStatusMoved)
233 sal_call_decline(h,SalReasonRedirect,lc->alt_contact);
237 if (!linphone_core_can_we_add_call(lc)){/*busy*/
238 sal_call_decline(h,SalReasonBusy,NULL);
242 from=sal_op_get_from(h);
244 from_addr=linphone_address_new(from);
245 to_addr=linphone_address_new(to);
247 if ((already_a_call_with_remote_address(lc,from_addr) && prevent_colliding_calls) || already_a_call_pending(lc)){
248 ms_warning("Receiving another call while one is ringing or initiated, refusing this one with busy message.");
249 sal_call_decline(h,SalReasonBusy,NULL);
251 linphone_address_destroy(from_addr);
252 linphone_address_destroy(to_addr);
256 call=linphone_call_new_incoming(lc,from_addr,to_addr,h);
258 /* the call is acceptable so we can now add it to our list */
259 linphone_core_add_call(lc,call);
260 linphone_call_ref(call); /*prevent the call from being destroyed while we are notifying, if the user declines within the state callback */
262 if ((linphone_core_get_firewall_policy(lc) == LinphonePolicyUseIce) && (call->ice_session != NULL)) {
263 /* Defer ringing until the end of the ICE candidates gathering process. */
264 ms_message("Defer ringing to gather ICE candidates");
268 if ((linphone_core_get_firewall_policy(lc) == LinphonePolicyUseUpnp) && (call->upnp_session != NULL)) {
269 /* Defer ringing until the end of the ICE candidates gathering process. */
270 ms_message("Defer ringing to gather uPnP candidates");
275 linphone_core_notify_incoming_call(lc,call);
278 static void call_ringing(SalOp *h){
279 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
280 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(h);
281 SalMediaDescription *md;
283 if (call==NULL) return;
285 if (lc->vtable.display_status)
286 lc->vtable.display_status(lc,_("Remote ringing."));
288 md=sal_call_get_final_media_description(h);
290 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
291 ring_stop(lc->ringstream);
293 lc->dmfs_playing_start_time=0;
295 if (lc->ringstream!=NULL) return; /*already ringing !*/
296 if (lc->sound_conf.play_sndcard!=NULL){
297 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
298 if (call->localdesc->streams[0].max_rate>0) ms_snd_card_set_preferred_sample_rate(ringcard, call->localdesc->streams[0].max_rate);
299 /*we release sound before playing ringback tone*/
300 if (call->audiostream)
301 audio_stream_unprepare_sound(call->audiostream);
302 lc->ringstream=ring_start(lc->sound_conf.remote_ring,2000,ringcard);
304 ms_message("Remote ringing...");
305 if (lc->vtable.display_status)
306 lc->vtable.display_status(lc,_("Remote ringing..."));
307 linphone_call_set_state(call,LinphoneCallOutgoingRinging,"Remote ringing");
309 /*accept early media */
310 if (call->audiostream && audio_stream_started(call->audiostream)){
311 /*streams already started */
312 ms_message("Early media already started.");
315 if (lc->vtable.show) lc->vtable.show(lc);
316 if (lc->vtable.display_status)
317 lc->vtable.display_status(lc,_("Early media."));
318 linphone_call_set_state(call,LinphoneCallOutgoingEarlyMedia,"Early media");
319 if (lc->ringstream!=NULL){
320 ring_stop(lc->ringstream);
323 ms_message("Doing early media...");
324 linphone_core_update_streams(lc,call,md);
330 * - when the call is accepted
331 * - when a request is accepted (pause, resume)
333 static void call_accepted(SalOp *op){
334 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
335 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
336 SalMediaDescription *md;
339 ms_warning("No call to accept.");
343 /* Handle remote ICE attributes if any. */
344 if (call->ice_session != NULL) {
345 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(op));
348 if (call->upnp_session != NULL) {
349 linphone_core_update_upnp_from_remote_media_description(call, sal_call_get_remote_media_description(op));
353 md=sal_call_get_final_media_description(op);
355 call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
357 if (call->state==LinphoneCallOutgoingProgress ||
358 call->state==LinphoneCallOutgoingRinging ||
359 call->state==LinphoneCallOutgoingEarlyMedia){
360 linphone_call_set_state(call,LinphoneCallConnected,"Connected");
361 if (call->referer) linphone_core_notify_refer_state(lc,call->referer,call);
363 if (md && !sal_media_description_empty(md) && !linphone_core_incompatible_security(lc,md)){
364 linphone_call_update_remote_session_id_and_ver(call);
365 if (sal_media_description_has_dir(md,SalStreamSendOnly) ||
366 sal_media_description_has_dir(md,SalStreamInactive)){
367 if (lc->vtable.display_status){
368 char *tmp=linphone_call_get_remote_address_as_string (call);
369 char *msg=ms_strdup_printf(_("Call with %s is paused."),tmp);
370 lc->vtable.display_status(lc,msg);
374 linphone_core_update_streams (lc,call,md);
375 linphone_call_set_state(call,LinphoneCallPaused,"Call paused");
376 if (call->refer_pending)
377 linphone_core_start_refered_call(lc,call);
378 }else if (sal_media_description_has_dir(md,SalStreamRecvOnly)){
379 /*we are put on hold when the call is initially accepted */
380 if (lc->vtable.display_status){
381 char *tmp=linphone_call_get_remote_address_as_string (call);
382 char *msg=ms_strdup_printf(_("Call answered by %s - on hold."),tmp);
383 lc->vtable.display_status(lc,msg);
387 linphone_core_update_streams (lc,call,md);
388 linphone_call_set_state(call,LinphoneCallPausedByRemote,"Call paused by remote");
390 if (call->state!=LinphoneCallUpdating){
391 if (call->state==LinphoneCallResuming){
392 if (lc->vtable.display_status){
393 lc->vtable.display_status(lc,_("Call resumed."));
396 if (lc->vtable.display_status){
397 char *tmp=linphone_call_get_remote_address_as_string (call);
398 char *msg=ms_strdup_printf(_("Call answered by %s."),tmp);
399 lc->vtable.display_status(lc,msg);
405 linphone_core_update_streams (lc,call,md);
406 if (!call->current_params.in_conference)
407 lc->current_call=call;
408 linphone_call_set_state(call, LinphoneCallStreamsRunning, "Streams running");
412 ms_error("Incompatible SDP offer received in 200Ok, need to abort the call");
413 linphone_core_abort_call(lc,call,_("Incompatible, check codecs or security settings..."));
417 static void call_ack(SalOp *op){
418 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
419 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
421 ms_warning("No call to be ACK'd");
424 if (call->media_pending){
425 SalMediaDescription *md=sal_call_get_final_media_description(op);
426 if (md && !sal_media_description_empty(md)){
427 linphone_core_update_streams (lc,call,md);
428 linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
431 ms_error("Incompatible SDP response received in ACK, need to abort the call");
432 linphone_core_abort_call(lc,call,"No codec intersection");
438 static void call_accept_update(LinphoneCore *lc, LinphoneCall *call){
439 SalMediaDescription *md;
440 SalMediaDescription *rmd=sal_call_get_remote_media_description(call->op);
441 if ((rmd!=NULL) && (call->ice_session!=NULL)) {
442 linphone_core_update_ice_from_remote_media_description(call,rmd);
443 linphone_core_update_local_media_description_from_ice(call->localdesc,call->ice_session);
446 if(call->upnp_session != NULL) {
447 linphone_core_update_upnp_from_remote_media_description(call, rmd);
448 linphone_core_update_local_media_description_from_upnp(call->localdesc,call->upnp_session);
451 linphone_call_update_remote_session_id_and_ver(call);
452 sal_call_accept(call->op);
453 md=sal_call_get_final_media_description(call->op);
454 if (md && !sal_media_description_empty(md))
455 linphone_core_update_streams(lc,call,md);
458 static void call_resumed(LinphoneCore *lc, LinphoneCall *call){
459 call_accept_update(lc,call);
460 if(lc->vtable.display_status)
461 lc->vtable.display_status(lc,_("We have been resumed."));
462 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
463 linphone_call_set_transfer_state(call, LinphoneCallIdle);
466 static void call_paused_by_remote(LinphoneCore *lc, LinphoneCall *call){
467 call_accept_update(lc,call);
468 /* we are being paused */
469 if(lc->vtable.display_status)
470 lc->vtable.display_status(lc,_("We are paused by other party."));
471 linphone_call_set_state (call,LinphoneCallPausedByRemote,"Call paused by remote");
474 static void call_updated_by_remote(LinphoneCore *lc, LinphoneCall *call){
475 if(lc->vtable.display_status)
476 lc->vtable.display_status(lc,_("Call is updated by remote."));
477 call->defer_update=FALSE;
478 linphone_call_set_state(call, LinphoneCallUpdatedByRemote,"Call updated by remote");
479 if (call->defer_update==FALSE){
480 linphone_core_accept_call_update(lc,call,NULL);
484 /* this callback is called when an incoming re-INVITE modifies the session*/
485 static void call_updating(SalOp *op){
486 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
487 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
488 SalMediaDescription *rmd=sal_call_get_remote_media_description(op);
491 /* case of a reINVITE without SDP */
492 call_accept_update(lc,call);
493 call->media_pending=TRUE;
498 case LinphoneCallPausedByRemote:
499 if (sal_media_description_has_dir(rmd,SalStreamSendRecv) || sal_media_description_has_dir(rmd,SalStreamRecvOnly)){
500 call_resumed(lc,call);
501 }else call_paused_by_remote(lc,call);
503 case LinphoneCallStreamsRunning:
504 case LinphoneCallConnected:
505 if (sal_media_description_has_dir(rmd,SalStreamSendOnly) || sal_media_description_has_dir(rmd,SalStreamInactive)){
506 call_paused_by_remote(lc,call);
508 call_updated_by_remote(lc,call);
512 call_accept_update(lc,call);
516 static void call_terminated(SalOp *op, const char *from){
517 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
518 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
520 if (call==NULL) return;
522 switch(linphone_call_get_state(call)){
523 case LinphoneCallEnd:
524 case LinphoneCallError:
525 ms_warning("call_terminated: ignoring.");
528 case LinphoneCallIncomingReceived:
529 case LinphoneCallIncomingEarlyMedia:
530 call->reason=LinphoneReasonNotAnswered;
535 ms_message("Current call terminated...");
536 //we stop the call only if we have this current call or if we are in call
537 if (lc->ringstream!=NULL && ( (ms_list_size(lc->calls) == 1) || linphone_core_in_call(lc) )) {
538 ring_stop(lc->ringstream);
541 linphone_call_stop_media_streams(call);
542 if (lc->vtable.show!=NULL)
544 if (lc->vtable.display_status!=NULL)
545 lc->vtable.display_status(lc,_("Call terminated."));
548 linphone_call_delete_upnp_session(call);
551 linphone_call_set_state(call, LinphoneCallEnd,"Call ended");
554 static void call_failure(SalOp *op, SalError error, SalReason sr, const char *details, int code){
555 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
556 char *msg486=_("User is busy.");
557 char *msg480=_("User is temporarily unavailable.");
558 /*char *retrymsg=_("%s. Retry after %i minute(s).");*/
559 char *msg600=_("User does not want to be disturbed.");
560 char *msg603=_("Call declined.");
561 const char *msg=details;
562 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
565 ms_warning("Call faillure reported on already cleaned call ?");
569 if (lc->vtable.show) lc->vtable.show(lc);
571 if (error==SalErrorNoResponse){
572 msg=_("No response.");
573 if (lc->vtable.display_status)
574 lc->vtable.display_status(lc,msg);
575 }else if (error==SalErrorProtocol){
576 msg=details ? details : _("Protocol error.");
577 if (lc->vtable.display_status)
578 lc->vtable.display_status(lc, msg);
579 }else if (error==SalErrorFailure){
581 case SalReasonDeclined:
583 if (lc->vtable.display_status)
584 lc->vtable.display_status(lc,msg603);
588 if (lc->vtable.display_status)
589 lc->vtable.display_status(lc,msg486);
591 case SalReasonRedirect:
593 if (lc->vtable.display_status)
594 lc->vtable.display_status(lc,msg);
596 case SalReasonTemporarilyUnavailable:
598 if (lc->vtable.display_status)
599 lc->vtable.display_status(lc,msg480);
601 case SalReasonNotFound:
602 if (lc->vtable.display_status)
603 lc->vtable.display_status(lc,msg);
605 case SalReasonDoNotDisturb:
607 if (lc->vtable.display_status)
608 lc->vtable.display_status(lc,msg600);
611 //media_encryption_mandatory
612 if (call->params.media_encryption == LinphoneMediaEncryptionSRTP &&
613 !linphone_core_is_media_encryption_mandatory(lc)) {
615 ms_message("Outgoing call failed with SRTP (SAVP) enabled - retrying with AVP");
616 linphone_call_stop_media_streams(call);
617 if (call->state==LinphoneCallOutgoingInit || call->state==LinphoneCallOutgoingProgress){
618 /* clear SRTP local params */
619 call->params.media_encryption = LinphoneMediaEncryptionNone;
620 for(i=0; i<call->localdesc->n_active_streams; i++) {
621 call->localdesc->streams[i].proto = SalProtoRtpAvp;
622 memset(call->localdesc->streams[i].crypto, 0, sizeof(call->localdesc->streams[i].crypto));
624 linphone_core_start_invite(lc, call);
628 msg=_("Incompatible media parameters.");
629 if (lc->vtable.display_status)
630 lc->vtable.display_status(lc,msg);
633 if (lc->vtable.display_status)
634 lc->vtable.display_status(lc,_("Call failed."));
638 if (lc->ringstream!=NULL) {
639 ring_stop(lc->ringstream);
642 linphone_call_stop_media_streams (call);
643 if (call->referer && linphone_call_get_state(call->referer)==LinphoneCallPaused && call->referer->was_automatically_paused){
644 /*resume to the call that send us the refer automatically*/
645 linphone_core_resume_call(lc,call->referer);
649 linphone_call_delete_upnp_session(call);
652 if (sr == SalReasonDeclined) {
653 call->reason=LinphoneReasonDeclined;
654 linphone_call_set_state(call,LinphoneCallEnd,"Call declined.");
655 } else if (sr == SalReasonNotFound) {
656 call->reason=LinphoneReasonNotFound;
657 linphone_call_set_state(call,LinphoneCallError,"User not found.");
658 } else if (sr == SalReasonBusy) {
659 call->reason=LinphoneReasonBusy;
660 linphone_call_set_state(call,LinphoneCallError,"User is busy.");
661 linphone_core_play_named_tone(lc,LinphoneToneBusy);
663 linphone_call_set_state(call,LinphoneCallError,msg);
667 static void call_released(SalOp *op){
668 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
670 linphone_call_set_state(call,LinphoneCallReleased,"Call released");
671 }else ms_error("call_released() for already destroyed call ?");
674 static void auth_requested(SalOp *h, const char *realm, const char *username){
675 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
676 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
677 LinphoneCall *call=is_a_linphone_call(sal_op_get_user_pointer(h));
679 if (call && call->ping_op==h){
680 /*don't request authentication for ping requests. Their purpose is just to get any
681 * answer to get the Via's received and rport parameters.
683 ms_message("auth_requested(): ignored for ping request.");
687 ms_message("auth_requested() for realm=%s, username=%s",realm,username);
689 if (ai && ai->works==FALSE && ai->usecount>=3){
690 /*case we tried 3 times to authenticate, without success */
691 /*Better is to stop (implemeted below in else statement), and retry later*/
692 if (ms_time(NULL)-ai->last_use_time>30){
693 ai->usecount=0; /*so that we can allow to retry */
697 if (ai && (ai->works || ai->usecount<3)){
699 sai.username=ai->username;
700 sai.userid=ai->userid;
702 sai.password=ai->passwd;
703 ms_message("auth_requested(): authenticating realm=%s, username=%s",realm,username);
704 sal_op_authenticate(h,&sai);
706 ai->last_use_time=ms_time(NULL);
708 if (ai && ai->works==FALSE) {
709 sal_op_cancel_authentication(h);
711 if (lc->vtable.auth_info_requested)
712 lc->vtable.auth_info_requested(lc,realm,username);
716 static void auth_success(SalOp *h, const char *realm, const char *username){
717 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
718 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
720 ms_message("%s/%s authentication works.",realm,username);
725 static void register_success(SalOp *op, bool_t registered){
726 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
727 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
730 if (cfg->deletion_date!=0){
731 ms_message("Registration success for removed proxy config, ignored");
734 linphone_proxy_config_set_error(cfg,LinphoneReasonNone);
735 linphone_proxy_config_set_state(cfg, registered ? LinphoneRegistrationOk : LinphoneRegistrationCleared ,
736 registered ? "Registration sucessful" : "Unregistration done");
737 if (lc->vtable.display_status){
738 if (registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op));
739 else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op));
740 lc->vtable.display_status(lc,msg);
746 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details){
747 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
748 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
751 ms_warning("Registration failed for unknown proxy config.");
754 if (cfg->deletion_date!=0){
755 ms_message("Registration failed for removed proxy config, ignored");
759 details=_("no response timeout");
761 if (lc->vtable.display_status) {
762 char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op),details );
763 lc->vtable.display_status(lc,msg);
766 if (error== SalErrorFailure && reason == SalReasonForbidden) {
767 linphone_proxy_config_set_error(cfg, LinphoneReasonBadCredentials);
768 } else if (error == SalErrorNoResponse) {
769 linphone_proxy_config_set_error(cfg, LinphoneReasonNoResponse);
771 linphone_proxy_config_set_state(cfg,LinphoneRegistrationFailed,details);
772 if (error== SalErrorFailure && reason == SalReasonForbidden) {
773 const char *realm=NULL,*username=NULL;
774 if (sal_op_get_auth_requested(op,&realm,&username)==0){
775 if (lc->vtable.auth_info_requested)
776 lc->vtable.auth_info_requested(lc,realm,username);
781 static void vfu_request(SalOp *op){
783 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
785 ms_warning("VFU request but no call !");
788 if (call->videostream)
789 video_stream_send_vfu(call->videostream);
793 static void dtmf_received(SalOp *op, char dtmf){
794 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
795 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
796 if (lc->vtable.dtmf_received != NULL)
797 lc->vtable.dtmf_received(lc, call, dtmf);
800 static void refer_received(Sal *sal, SalOp *op, const char *referto){
801 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
802 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
804 if (call->refer_to!=NULL){
805 ms_free(call->refer_to);
807 call->refer_to=ms_strdup(referto);
808 call->refer_pending=TRUE;
809 linphone_call_set_state(call,LinphoneCallRefered,"Refered");
810 if (lc->vtable.display_status){
811 char *msg=ms_strdup_printf(_("We are transferred to %s"),referto);
812 lc->vtable.display_status(lc,msg);
815 if (call->state!=LinphoneCallPaused){
816 ms_message("Automatically pausing current call to accept transfer.");
817 _linphone_core_pause_call(lc,call);
818 call->was_automatically_paused=TRUE;
819 /*then we will start the refered when the pause is accepted, in order to serialize transactions within the dialog.
820 * Indeed we need to avoid to send a NOTIFY to inform about of state of the refered call while the pause isn't completed.
822 }else linphone_core_start_refered_call(lc,call);
823 }else if (lc->vtable.refer_received){
824 lc->vtable.refer_received(lc,referto);
828 static bool_t is_duplicate_msg(LinphoneCore *lc, const char *msg_id){
829 MSList *elem=lc->last_recv_msg_ids;
832 bool_t is_duplicate=FALSE;
833 for(i=0;elem!=NULL;elem=elem->next,i++){
834 if (strcmp((const char*)elem->data,msg_id)==0){
840 lc->last_recv_msg_ids=ms_list_prepend(lc->last_recv_msg_ids,ms_strdup(msg_id));
844 lc->last_recv_msg_ids=ms_list_remove_link(lc->last_recv_msg_ids,tail);
850 static void text_received(SalOp *op, const SalMessage *msg){
851 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
852 if (is_duplicate_msg(lc,msg->message_id)==FALSE){
853 linphone_core_message_received(lc,op,msg);
857 static void notify(SalOp *op, const char *from, const char *msg){
858 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
859 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
860 ms_message("get a %s notify from %s",msg,from);
861 if(lc->vtable.notify_recv)
862 lc->vtable.notify_recv(lc,call,from,msg);
865 static void notify_presence(SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status, const char *msg){
866 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
867 linphone_notify_recv(lc,op,ss,status);
870 static void subscribe_received(SalOp *op, const char *from){
871 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
872 linphone_subscription_new(lc,op,from);
875 static void subscribe_closed(SalOp *op, const char *from){
876 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
877 linphone_subscription_closed(lc,op);
880 static void ping_reply(SalOp *op){
881 LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
882 ms_message("ping reply !");
884 if (call->state==LinphoneCallOutgoingInit){
885 call->ping_replied=TRUE;
886 linphone_core_proceed_with_invite_if_ready(call->core,call,NULL);
891 ms_warning("ping reply without call attached...");
895 static void notify_refer(SalOp *op, SalReferStatus status){
896 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
897 LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
898 LinphoneCallState cstate;
900 ms_warning("Receiving notify_refer for unknown call.");
905 cstate=LinphoneCallOutgoingProgress;
907 case SalReferSuccess:
908 cstate=LinphoneCallConnected;
911 cstate=LinphoneCallError;
914 cstate=LinphoneCallError;
916 linphone_call_set_transfer_state(call, cstate);
917 if (cstate==LinphoneCallConnected){
918 /*automatically terminate the call as the transfer is complete.*/
919 linphone_core_terminate_call(lc,call);
923 static LinphoneChatMessageState chatStatusSal2Linphone(SalTextDeliveryStatus status){
925 case SalTextDeliveryInProgress:
926 return LinphoneChatMessageStateInProgress;
927 case SalTextDeliveryDone:
928 return LinphoneChatMessageStateDelivered;
929 case SalTextDeliveryFailed:
930 return LinphoneChatMessageStateNotDelivered;
932 return LinphoneChatMessageStateIdle;
935 static int op_equals(LinphoneCall *a, SalOp *b) {
936 return a->op !=b; /*return 0 if equals*/
938 static void text_delivery_update(SalOp *op, SalTextDeliveryStatus status){
939 LinphoneChatMessage *chat_msg=(LinphoneChatMessage* )sal_op_get_user_pointer(op);
940 const MSList* calls = linphone_core_get_calls(chat_msg->chat_room->lc);
942 chat_msg->state=chatStatusSal2Linphone(status);
943 linphone_chat_message_store_state(chat_msg);
944 if (chat_msg && chat_msg->cb) {
945 chat_msg->cb(chat_msg
949 linphone_chat_message_destroy(chat_msg);
951 if (!ms_list_find_custom((MSList*)calls, (MSCompareFunc) op_equals, op)) {
952 /*op was only create for messaging purpose, destroying*/
957 SalCallbacks linphone_sal_callbacks={
974 text_delivery_update,