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 bool_t media_parameters_changed(LinphoneCall *call, SalMediaDescription *oldmd, SalMediaDescription *newmd){
31 if (call->params.in_conference!=call->current_params.in_conference) return TRUE;
32 return !sal_media_description_equals(oldmd,newmd) || call->up_bw!=linphone_core_get_upload_bandwidth(call->core);
35 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md){
36 SalMediaDescription *oldmd=call->resultdesc;
38 if (lc->ringstream!=NULL){
39 ring_stop(lc->ringstream);
43 sal_media_description_ref(new_md);
44 call->media_pending=FALSE;
46 call->media_pending=TRUE;
48 call->resultdesc=new_md;
49 if (call->audiostream && call->audiostream->ticker){
50 /* we already started media: check if we really need to restart it*/
52 if (!media_parameters_changed(call,oldmd,new_md) && !call->playing_ringbacktone){
53 /*as nothing has changed, keep the oldmd */
54 call->resultdesc=oldmd;
55 sal_media_description_unref(new_md);
57 ms_message("Early media finished, unmuting inputs...");
58 /*we were in early media, now we want to enable real media */
59 linphone_call_enable_camera (call,linphone_call_camera_enabled (call));
60 if (call->audiostream)
61 linphone_core_mute_mic (lc, linphone_core_is_mic_muted(lc));
63 if (call->videostream && call->camera_active)
64 video_stream_change_camera(call->videostream,lc->video_conf.device );
67 ms_message("No need to restart streams, SDP is unchanged.");
70 ms_message("Media descriptions are different, need to restart the streams.");
73 linphone_call_stop_media_streams (call);
74 linphone_call_init_media_streams (call);
77 sal_media_description_unref(oldmd);
80 bool_t all_muted=FALSE;
81 bool_t send_ringbacktone=FALSE;
83 if (call->audiostream==NULL){
84 /*this happens after pausing the call locally. The streams is destroyed and then we wait the 200Ok to recreate it*/
85 linphone_call_init_media_streams (call);
87 if (call->state==LinphoneCallIncomingEarlyMedia && linphone_core_get_remote_ringback_tone (lc)!=NULL){
88 send_ringbacktone=TRUE;
90 if (call->state==LinphoneCallIncomingEarlyMedia ||
91 (call->state==LinphoneCallOutgoingEarlyMedia && !call->params.real_early_media)){
94 linphone_call_start_media_streams(call,all_muted,send_ringbacktone);
98 static bool_t is_duplicate_call(LinphoneCore *lc, const LinphoneAddress *from, const LinphoneAddress *to){
100 for(elem=lc->calls;elem!=NULL;elem=elem->next){
101 LinphoneCall *call=(LinphoneCall*)elem->data;
102 if (linphone_address_weak_equal(call->log->from,from) &&
103 linphone_address_weak_equal(call->log->to, to)){
111 static bool_t already_a_call_with_remote_address(const LinphoneCore *lc, const LinphoneAddress *remote) {
112 ms_warning(" searching for already_a_call_with_remote_address.");
115 for(elem=lc->calls;elem!=NULL;elem=elem->next){
116 const LinphoneCall *call=(LinphoneCall*)elem->data;
117 const LinphoneAddress *cRemote=linphone_call_get_remote_address(call);
118 if (linphone_address_weak_equal(cRemote,remote)) {
119 ms_warning("already_a_call_with_remote_address found.");
126 static bool_t already_a_call_pending(LinphoneCore *lc){
128 for(elem=lc->calls;elem!=NULL;elem=elem->next){
129 LinphoneCall *call=(LinphoneCall*)elem->data;
130 if (call->state==LinphoneCallIncomingReceived
131 || call->state==LinphoneCallOutgoingInit
132 || call->state==LinphoneCallOutgoingProgress
133 || call->state==LinphoneCallOutgoingEarlyMedia
134 || call->state==LinphoneCallOutgoingRinging){
141 static void call_received(SalOp *h){
142 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
144 const char *from,*to;
145 LinphoneAddress *from_addr, *to_addr;
146 bool_t prevent_colliding_calls=lp_config_get_int(lc->config,"sip","prevent_colliding_calls",TRUE);
148 /* first check if we can answer successfully to this invite */
149 if (lc->presence_mode==LinphoneStatusBusy ||
150 lc->presence_mode==LinphoneStatusOffline ||
151 lc->presence_mode==LinphoneStatusDoNotDisturb ||
152 lc->presence_mode==LinphoneStatusMoved){
153 if (lc->presence_mode==LinphoneStatusBusy )
154 sal_call_decline(h,SalReasonBusy,NULL);
155 else if (lc->presence_mode==LinphoneStatusOffline)
156 sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
157 else if (lc->presence_mode==LinphoneStatusDoNotDisturb)
158 sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
159 else if (lc->alt_contact!=NULL && lc->presence_mode==LinphoneStatusMoved)
160 sal_call_decline(h,SalReasonRedirect,lc->alt_contact);
164 if (!linphone_core_can_we_add_call(lc)){/*busy*/
165 sal_call_decline(h,SalReasonBusy,NULL);
169 from=sal_op_get_from(h);
171 from_addr=linphone_address_new(from);
172 to_addr=linphone_address_new(to);
174 if ((already_a_call_with_remote_address(lc,from_addr) && prevent_colliding_calls) || already_a_call_pending(lc)){
175 ms_warning("Receiving another call while one is ringing or initiated, refusing this one with busy message.");
176 sal_call_decline(h,SalReasonBusy,NULL);
178 linphone_address_destroy(from_addr);
179 linphone_address_destroy(to_addr);
183 call=linphone_call_new_incoming(lc,from_addr,to_addr,h);
184 sal_call_set_local_media_description(h,call->localdesc);
186 /* the call is acceptable so we can now add it to our list */
187 linphone_core_add_call(lc,call);
188 linphone_call_ref(call); /*prevent the call from being destroyed while we are notifying, if the user declines within the state callback */
190 if ((linphone_core_get_firewall_policy(lc) == LinphonePolicyUseIce) && (call->ice_session != NULL)) {
191 /* Defer ringing until the end of the ICE candidates gathering process. */
192 ms_message("Defer ringing to gather ICE candidates");
196 linphone_core_notify_incoming_call(lc,call);
199 static void call_ringing(SalOp *h){
200 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
201 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(h);
202 SalMediaDescription *md;
204 if (call==NULL) return;
206 if (lc->vtable.display_status)
207 lc->vtable.display_status(lc,_("Remote ringing."));
209 md=sal_call_get_final_media_description(h);
211 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
212 ring_stop(lc->ringstream);
214 lc->dmfs_playing_start_time=0;
216 if (lc->ringstream!=NULL) return; /*already ringing !*/
217 if (lc->sound_conf.play_sndcard!=NULL){
218 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
219 if (call->localdesc->streams[0].max_rate>0) ms_snd_card_set_preferred_sample_rate(ringcard, call->localdesc->streams[0].max_rate);
220 /*we release sound before playing ringback tone*/
221 if (call->audiostream)
222 audio_stream_unprepare_sound(call->audiostream);
223 lc->ringstream=ring_start(lc->sound_conf.remote_ring,2000,ringcard);
225 ms_message("Remote ringing...");
226 if (lc->vtable.display_status)
227 lc->vtable.display_status(lc,_("Remote ringing..."));
228 linphone_call_set_state(call,LinphoneCallOutgoingRinging,"Remote ringing");
230 /*accept early media */
231 if (call->audiostream && audio_stream_started(call->audiostream)){
232 /*streams already started */
233 ms_message("Early media already started.");
236 if (lc->vtable.show) lc->vtable.show(lc);
237 if (lc->vtable.display_status)
238 lc->vtable.display_status(lc,_("Early media."));
239 linphone_call_set_state(call,LinphoneCallOutgoingEarlyMedia,"Early media");
240 if (lc->ringstream!=NULL){
241 ring_stop(lc->ringstream);
244 ms_message("Doing early media...");
245 linphone_core_update_streams(lc,call,md);
251 * - when the call is accepted
252 * - when a request is accepted (pause, resume)
254 static void call_accepted(SalOp *op){
255 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
256 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
257 SalMediaDescription *md;
260 ms_warning("No call to accept.");
264 if (call->ice_session == NULL) {
265 /* Ensure the ICE check list pointers for the call streams are resetted to prevent crashes */
266 if (call->audiostream != NULL) call->audiostream->ice_check_list = NULL;
267 if (call->videostream != NULL) call->videostream->ice_check_list = NULL;
270 md=sal_call_get_final_media_description(op);
272 if (call->state==LinphoneCallOutgoingProgress ||
273 call->state==LinphoneCallOutgoingRinging ||
274 call->state==LinphoneCallOutgoingEarlyMedia){
275 linphone_call_set_state(call,LinphoneCallConnected,"Connected");
276 if (call->referer) linphone_core_notify_refer_state(lc,call->referer,call);
278 if (md && !sal_media_description_empty(md)){
279 if (sal_media_description_has_dir(md,SalStreamSendOnly) ||
280 sal_media_description_has_dir(md,SalStreamInactive)){
281 if (lc->vtable.display_status){
282 char *tmp=linphone_call_get_remote_address_as_string (call);
283 char *msg=ms_strdup_printf(_("Call with %s is paused."),tmp);
284 lc->vtable.display_status(lc,msg);
288 linphone_core_update_streams (lc,call,md);
289 linphone_call_set_state(call,LinphoneCallPaused,"Call paused");
290 if (call->refer_pending)
291 linphone_core_start_refered_call(lc,call);
292 }else if (sal_media_description_has_dir(md,SalStreamRecvOnly)){
293 /*we are put on hold when the call is initially accepted */
294 if (lc->vtable.display_status){
295 char *tmp=linphone_call_get_remote_address_as_string (call);
296 char *msg=ms_strdup_printf(_("Call answered by %s - on hold."),tmp);
297 lc->vtable.display_status(lc,msg);
301 linphone_core_update_streams (lc,call,md);
302 linphone_call_set_state(call,LinphoneCallPausedByRemote,"Call paused by remote");
304 if (call->state==LinphoneCallStreamsRunning){
305 /*media was running before, the remote as acceted a call modification (that is
306 a reinvite made by us. We must notify the application this reinvite was accepted*/
307 linphone_call_set_state(call, LinphoneCallUpdated, "Call updated");
309 if (call->state==LinphoneCallResuming){
310 if (lc->vtable.display_status){
311 lc->vtable.display_status(lc,_("Call resumed."));
314 if (lc->vtable.display_status){
315 char *tmp=linphone_call_get_remote_address_as_string (call);
316 char *msg=ms_strdup_printf(_("Call answered by %s."),tmp);
317 lc->vtable.display_status(lc,msg);
323 linphone_core_update_streams (lc,call,md);
324 if (!call->current_params.in_conference)
325 lc->current_call=call;
326 linphone_call_set_state(call, LinphoneCallStreamsRunning, "Streams running");
330 ms_error("Incompatible SDP offer received in 200Ok, need to abort the call");
331 linphone_core_abort_call(lc,call,_("Incompatible, check codecs..."));
335 static void call_ack(SalOp *op){
336 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
337 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
339 ms_warning("No call to be ACK'd");
342 if (call->media_pending){
343 SalMediaDescription *md=sal_call_get_final_media_description(op);
344 if (md && !sal_media_description_empty(md)){
345 if (call->state==LinphoneCallStreamsRunning){
346 /*media was running before, the remote as acceted a call modification (that is
347 a reinvite made by us. We must notify the application this reinvite was accepted*/
348 linphone_call_set_state(call, LinphoneCallUpdated, "Call updated");
350 linphone_core_update_streams (lc,call,md);
351 linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
354 ms_error("Incompatible SDP response received in ACK, need to abort the call");
355 linphone_core_abort_call(lc,call,"No codec intersection");
361 static void call_accept_update(LinphoneCore *lc, LinphoneCall *call){
362 SalMediaDescription *md;
363 sal_call_accept(call->op);
364 md=sal_call_get_final_media_description(call->op);
365 if (md && !sal_media_description_empty(md))
366 linphone_core_update_streams(lc,call,md);
369 static void call_resumed(LinphoneCore *lc, LinphoneCall *call){
370 call_accept_update(lc,call);
371 if(lc->vtable.display_status)
372 lc->vtable.display_status(lc,_("We have been resumed."));
373 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
374 linphone_call_set_transfer_state(call, LinphoneCallIdle);
377 static void call_paused_by_remote(LinphoneCore *lc, LinphoneCall *call){
378 call_accept_update(lc,call);
379 /* we are being paused */
380 if(lc->vtable.display_status)
381 lc->vtable.display_status(lc,_("We are paused by other party."));
382 linphone_call_set_state (call,LinphoneCallPausedByRemote,"Call paused by remote");
385 static void call_updated_by_remote(LinphoneCore *lc, LinphoneCall *call){
386 if(lc->vtable.display_status)
387 lc->vtable.display_status(lc,_("Call is updated by remote."));
388 call->defer_update=FALSE;
389 linphone_call_set_state(call, LinphoneCallUpdatedByRemote,"Call updated by remote");
390 if (call->defer_update==FALSE){
391 linphone_core_accept_call_update(lc,call,NULL);
395 /* this callback is called when an incoming re-INVITE modifies the session*/
396 static void call_updating(SalOp *op){
397 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
398 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
399 SalMediaDescription *rmd=sal_call_get_remote_media_description(op);
402 /* case of a reINVITE without SDP */
403 call_accept_update(lc,call);
404 call->media_pending=TRUE;
409 case LinphoneCallPausedByRemote:
410 if (sal_media_description_has_dir(rmd,SalStreamSendRecv) || sal_media_description_has_dir(rmd,SalStreamRecvOnly)){
411 call_resumed(lc,call);
412 }else call_paused_by_remote(lc,call);
414 case LinphoneCallStreamsRunning:
415 case LinphoneCallConnected:
416 if (sal_media_description_has_dir(rmd,SalStreamSendOnly) || sal_media_description_has_dir(rmd,SalStreamInactive)){
417 call_paused_by_remote(lc,call);
419 call_updated_by_remote(lc,call);
423 call_accept_update(lc,call);
427 static void call_terminated(SalOp *op, const char *from){
428 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
429 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
431 if (call==NULL) return;
433 switch(linphone_call_get_state(call)){
434 case LinphoneCallEnd:
435 case LinphoneCallError:
436 ms_warning("call_terminated: ignoring.");
439 case LinphoneCallIncomingReceived:
440 case LinphoneCallIncomingEarlyMedia:
441 call->reason=LinphoneReasonNotAnswered;
446 ms_message("Current call terminated...");
447 //we stop the call only if we have this current call or if we are in call
448 if (lc->ringstream!=NULL && ( (ms_list_size(lc->calls) == 1) || linphone_core_in_call(lc) )) {
449 ring_stop(lc->ringstream);
452 linphone_call_stop_media_streams(call);
453 if (lc->vtable.show!=NULL)
455 if (lc->vtable.display_status!=NULL)
456 lc->vtable.display_status(lc,_("Call terminated."));
458 linphone_call_set_state(call, LinphoneCallEnd,"Call ended");
461 static void call_failure(SalOp *op, SalError error, SalReason sr, const char *details, int code){
462 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
463 char *msg486=_("User is busy.");
464 char *msg480=_("User is temporarily unavailable.");
465 /*char *retrymsg=_("%s. Retry after %i minute(s).");*/
466 char *msg600=_("User does not want to be disturbed.");
467 char *msg603=_("Call declined.");
468 const char *msg=details;
469 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
472 ms_warning("Call faillure reported on already cleaned call ?");
476 if (lc->vtable.show) lc->vtable.show(lc);
478 if (error==SalErrorNoResponse){
479 msg=_("No response.");
480 if (lc->vtable.display_status)
481 lc->vtable.display_status(lc,msg);
482 }else if (error==SalErrorProtocol){
483 msg=details ? details : _("Protocol error.");
484 if (lc->vtable.display_status)
485 lc->vtable.display_status(lc, msg);
486 }else if (error==SalErrorFailure){
488 case SalReasonDeclined:
490 if (lc->vtable.display_status)
491 lc->vtable.display_status(lc,msg603);
495 if (lc->vtable.display_status)
496 lc->vtable.display_status(lc,msg486);
498 case SalReasonRedirect:
500 if (lc->vtable.display_status)
501 lc->vtable.display_status(lc,msg);
503 case SalReasonTemporarilyUnavailable:
505 if (lc->vtable.display_status)
506 lc->vtable.display_status(lc,msg480);
508 case SalReasonNotFound:
509 if (lc->vtable.display_status)
510 lc->vtable.display_status(lc,msg);
512 case SalReasonDoNotDisturb:
514 if (lc->vtable.display_status)
515 lc->vtable.display_status(lc,msg600);
518 //media_encryption_mandatory
519 if (call->params.media_encryption == LinphoneMediaEncryptionSRTP &&
520 !linphone_core_is_media_encryption_mandatory(lc)) {
522 ms_message("Outgoing call failed with SRTP (SAVP) enabled - retrying with AVP");
523 linphone_call_stop_media_streams(call);
524 if (call->state==LinphoneCallOutgoingInit || call->state==LinphoneCallOutgoingProgress){
525 /* clear SRTP local params */
526 call->params.media_encryption = LinphoneMediaEncryptionNone;
527 for(i=0; i<call->localdesc->nstreams; i++) {
528 call->localdesc->streams[i].proto = SalProtoRtpAvp;
529 memset(call->localdesc->streams[i].crypto, 0, sizeof(call->localdesc->streams[i].crypto));
531 linphone_core_start_invite(lc, call, NULL);
535 msg=_("Incompatible media parameters.");
536 if (lc->vtable.display_status)
537 lc->vtable.display_status(lc,msg);
540 if (lc->vtable.display_status)
541 lc->vtable.display_status(lc,_("Call failed."));
545 if (lc->ringstream!=NULL) {
546 ring_stop(lc->ringstream);
549 linphone_call_stop_media_streams (call);
550 if (call->referer && linphone_call_get_state(call->referer)==LinphoneCallPaused && call->referer->was_automatically_paused){
551 /*resume to the call that send us the refer automatically*/
552 linphone_core_resume_call(lc,call->referer);
554 if (sr == SalReasonDeclined) {
555 call->reason=LinphoneReasonDeclined;
556 linphone_call_set_state(call,LinphoneCallEnd,"Call declined.");
557 } else if (sr == SalReasonNotFound) {
558 call->reason=LinphoneReasonNotFound;
559 linphone_call_set_state(call,LinphoneCallError,"User not found.");
561 linphone_call_set_state(call,LinphoneCallError,msg);
565 static void call_released(SalOp *op){
566 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
568 linphone_call_set_state(call,LinphoneCallReleased,"Call released");
569 }else ms_error("call_released() for already destroyed call ?");
572 static void auth_requested(SalOp *h, const char *realm, const char *username){
573 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
574 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
575 LinphoneCall *call=is_a_linphone_call(sal_op_get_user_pointer(h));
577 if (call && call->ping_op==h){
578 /*don't request authentication for ping requests. Their purpose is just to get any
579 * answer to get the Via's received and rport parameters.
581 ms_message("auth_requested(): ignored for ping request.");
585 ms_message("auth_requested() for realm=%s, username=%s",realm,username);
587 if (ai && ai->works==FALSE && ai->usecount>=3){
588 /*case we tried 3 times to authenticate, without success */
589 /*Better is to stop (implemeted below in else statement), and retry later*/
590 if (ms_time(NULL)-ai->last_use_time>30){
591 ai->usecount=0; /*so that we can allow to retry */
595 if (ai && (ai->works || ai->usecount<3)){
597 sai.username=ai->username;
598 sai.userid=ai->userid;
600 sai.password=ai->passwd;
601 ms_message("auth_requested(): authenticating realm=%s, username=%s",realm,username);
602 sal_op_authenticate(h,&sai);
604 ai->last_use_time=ms_time(NULL);
606 if (ai && ai->works==FALSE) {
607 sal_op_cancel_authentication(h);
609 if (lc->vtable.auth_info_requested)
610 lc->vtable.auth_info_requested(lc,realm,username);
614 static void auth_success(SalOp *h, const char *realm, const char *username){
615 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
616 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
618 ms_message("%s/%s authentication works.",realm,username);
623 static void register_success(SalOp *op, bool_t registered){
624 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
625 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
628 if (cfg->deletion_date!=0){
629 ms_message("Registration success for removed proxy config, ignored");
632 linphone_proxy_config_set_error(cfg,LinphoneReasonNone);
633 linphone_proxy_config_set_state(cfg, registered ? LinphoneRegistrationOk : LinphoneRegistrationCleared ,
634 registered ? "Registration sucessful" : "Unregistration done");
635 if (lc->vtable.display_status){
636 if (registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op));
637 else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op));
638 lc->vtable.display_status(lc,msg);
644 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details){
645 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
646 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
649 ms_warning("Registration failed for unknown proxy config.");
652 if (cfg->deletion_date!=0){
653 ms_message("Registration failed for removed proxy config, ignored");
657 details=_("no response timeout");
659 if (lc->vtable.display_status) {
660 char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op),details );
661 lc->vtable.display_status(lc,msg);
664 if (error== SalErrorFailure && reason == SalReasonForbidden) {
665 linphone_proxy_config_set_error(cfg, LinphoneReasonBadCredentials);
666 } else if (error == SalErrorNoResponse) {
667 linphone_proxy_config_set_error(cfg, LinphoneReasonNoResponse);
669 linphone_proxy_config_set_state(cfg,LinphoneRegistrationFailed,details);
670 if (error== SalErrorFailure && reason == SalReasonForbidden) {
671 const char *realm=NULL,*username=NULL;
672 if (sal_op_get_auth_requested(op,&realm,&username)==0){
673 if (lc->vtable.auth_info_requested)
674 lc->vtable.auth_info_requested(lc,realm,username);
679 static void vfu_request(SalOp *op){
681 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
683 ms_warning("VFU request but no call !");
686 if (call->videostream)
687 video_stream_send_vfu(call->videostream);
691 static void dtmf_received(SalOp *op, char dtmf){
692 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
693 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
694 if (lc->vtable.dtmf_received != NULL)
695 lc->vtable.dtmf_received(lc, call, dtmf);
698 static void refer_received(Sal *sal, SalOp *op, const char *referto){
699 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
700 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
702 if (call->refer_to!=NULL){
703 ms_free(call->refer_to);
705 call->refer_to=ms_strdup(referto);
706 call->refer_pending=TRUE;
707 linphone_call_set_state(call,LinphoneCallRefered,"Refered");
708 if (lc->vtable.display_status){
709 char *msg=ms_strdup_printf(_("We are transferred to %s"),referto);
710 lc->vtable.display_status(lc,msg);
713 if (call->state!=LinphoneCallPaused){
714 ms_message("Automatically pausing current call to accept transfer.");
715 linphone_core_pause_call(lc,call);
716 call->was_automatically_paused=TRUE;
717 /*then we will start the refered when the pause is accepted, in order to serialize transactions within the dialog.
718 * Indeed we need to avoid to send a NOTIFY to inform about of state of the refered call while the pause isn't completed.
720 }else linphone_core_start_refered_call(lc,call);
721 }else if (lc->vtable.refer_received){
722 lc->vtable.refer_received(lc,referto);
726 static void text_received(Sal *sal, const char *from, const char *msg){
727 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
728 linphone_core_text_received(lc,from,msg);
731 static void notify(SalOp *op, const char *from, const char *msg){
732 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
733 LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
734 ms_message("get a %s notify from %s",msg,from);
735 if(lc->vtable.notify_recv)
736 lc->vtable.notify_recv(lc,call,from,msg);
739 static void notify_presence(SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status, const char *msg){
740 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
741 linphone_notify_recv(lc,op,ss,status);
744 static void subscribe_received(SalOp *op, const char *from){
745 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
746 linphone_subscription_new(lc,op,from);
749 static void subscribe_closed(SalOp *op, const char *from){
750 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
751 linphone_subscription_closed(lc,op);
754 static void ping_reply(SalOp *op){
755 LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
756 ms_message("ping reply !");
758 if (call->state==LinphoneCallOutgoingInit){
759 linphone_core_start_invite(call->core,call,NULL);
764 ms_warning("ping reply without call attached...");
768 static void notify_refer(SalOp *op, SalReferStatus status){
769 LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
770 LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
771 LinphoneCallState cstate;
773 ms_warning("Receiving notify_refer for unknown call.");
778 cstate=LinphoneCallOutgoingProgress;
780 case SalReferSuccess:
781 cstate=LinphoneCallConnected;
784 cstate=LinphoneCallError;
787 cstate=LinphoneCallError;
789 linphone_call_set_transfer_state(call, cstate);
790 if (cstate==LinphoneCallConnected){
791 /*automatically terminate the call as the transfer is complete.*/
792 linphone_core_terminate_call(lc,call);
796 SalCallbacks linphone_sal_callbacks={