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linphone-ios/coreapi/callbacks.c
Simon Morlat 4325854123 fix double notification of auth_info_requested()
2014-02-11 11:28:56 +01:00

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/*
linphone
Copyright (C) 2010 Simon MORLAT (simon.morlat@free.fr)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "sal/sal.h"
#include "linphonecore.h"
#include "private.h"
#include "mediastreamer2/mediastream.h"
#include "lpconfig.h"
// stat
#ifndef WIN32
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details);
static int media_parameters_changed(LinphoneCall *call, SalMediaDescription *oldmd, SalMediaDescription *newmd) {
if (call->params.in_conference != call->current_params.in_conference) return SAL_MEDIA_DESCRIPTION_CHANGED;
if (call->up_bw != linphone_core_get_upload_bandwidth(call->core)) return SAL_MEDIA_DESCRIPTION_CHANGED;
if (call->localdesc_changed) ms_message("Local description has changed: %i", call->localdesc_changed);
return call->localdesc_changed | sal_media_description_equals(oldmd, newmd);
}
void linphone_core_update_streams_destinations(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md) {
SalStreamDescription *new_audiodesc = NULL;
SalStreamDescription *new_videodesc = NULL;
char *rtp_addr, *rtcp_addr;
int i;
for (i = 0; i < new_md->n_active_streams; i++) {
if (new_md->streams[i].type == SalAudio) {
new_audiodesc = &new_md->streams[i];
} else if (new_md->streams[i].type == SalVideo) {
new_videodesc = &new_md->streams[i];
}
}
if (call->audiostream && new_audiodesc) {
rtp_addr = (new_audiodesc->rtp_addr[0] != '\0') ? new_audiodesc->rtp_addr : new_md->addr;
rtcp_addr = (new_audiodesc->rtcp_addr[0] != '\0') ? new_audiodesc->rtcp_addr : new_md->addr;
ms_message("Change audio stream destination: RTP=%s:%d RTCP=%s:%d", rtp_addr, new_audiodesc->rtp_port, rtcp_addr, new_audiodesc->rtcp_port);
rtp_session_set_remote_addr_full(call->audiostream->ms.session, rtp_addr, new_audiodesc->rtp_port, rtcp_addr, new_audiodesc->rtcp_port);
}
#ifdef VIDEO_ENABLED
if (call->videostream && new_videodesc) {
rtp_addr = (new_videodesc->rtp_addr[0] != '\0') ? new_videodesc->rtp_addr : new_md->addr;
rtcp_addr = (new_videodesc->rtcp_addr[0] != '\0') ? new_videodesc->rtcp_addr : new_md->addr;
ms_message("Change video stream destination: RTP=%s:%d RTCP=%s:%d", rtp_addr, new_videodesc->rtp_port, rtcp_addr, new_videodesc->rtcp_port);
rtp_session_set_remote_addr_full(call->videostream->ms.session, rtp_addr, new_videodesc->rtp_port, rtcp_addr, new_videodesc->rtcp_port);
}
#else
(void)new_videodesc;
#endif
}
void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md){
SalMediaDescription *oldmd=call->resultdesc;
bool_t all_muted=FALSE;
bool_t send_ringbacktone=FALSE;
linphone_core_stop_ringing(lc);
if (!new_md) {
ms_error("linphone_core_update_streams() called with null media description");
return;
}
if (call->biggestdesc==NULL || new_md->n_total_streams>call->biggestdesc->n_total_streams){
/*we have been offered and now are ready to proceed, or we added a new stream*/
/*store the media description to remember the mapping of calls*/
if (call->biggestdesc){
sal_media_description_unref(call->biggestdesc);
call->biggestdesc=NULL;
}
if (sal_call_is_offerer(call->op))
call->biggestdesc=sal_media_description_ref(call->localdesc);
else
call->biggestdesc=sal_media_description_ref(sal_call_get_remote_media_description(call->op));
}
sal_media_description_ref(new_md);
call->expect_media_in_ack=FALSE;
call->resultdesc=new_md;
if ((call->audiostream && call->audiostream->ms.ticker) || (call->videostream && call->videostream->ms.ticker)){
/* we already started media: check if we really need to restart it*/
if (oldmd){
int md_changed = media_parameters_changed(call, oldmd, new_md);
if ((md_changed & SAL_MEDIA_DESCRIPTION_CODEC_CHANGED) || call->playing_ringbacktone) {
ms_message("Media descriptions are different, need to restart the streams.");
} else {
if (md_changed == SAL_MEDIA_DESCRIPTION_UNCHANGED) {
if (call->all_muted){
ms_message("Early media finished, unmuting inputs...");
/*we were in early media, now we want to enable real media */
linphone_call_enable_camera (call,linphone_call_camera_enabled (call));
if (call->audiostream)
linphone_core_enable_mic(lc, linphone_core_mic_enabled(lc));
#ifdef VIDEO_ENABLED
if (call->videostream && call->camera_enabled)
video_stream_change_camera(call->videostream,lc->video_conf.device );
#endif
}
ms_message("No need to restart streams, SDP is unchanged.");
goto end;
}else {
if (md_changed & SAL_MEDIA_DESCRIPTION_NETWORK_CHANGED) {
ms_message("Network parameters have changed, update them.");
linphone_core_update_streams_destinations(lc, call, oldmd, new_md);
}
if (md_changed & SAL_MEDIA_DESCRIPTION_CRYPTO_CHANGED) {
ms_message("Crypto parameters have changed, update them.");
linphone_call_update_crypto_parameters(call, oldmd, new_md);
}
goto end;
}
}
}
linphone_call_stop_media_streams (call);
linphone_call_init_media_streams (call);
}
if (call->audiostream==NULL){
/*this happens after pausing the call locally. The streams are destroyed and then we wait the 200Ok to recreate them*/
linphone_call_init_media_streams (call);
}
if (call->state==LinphoneCallIncomingEarlyMedia && linphone_core_get_remote_ringback_tone (lc)!=NULL){
send_ringbacktone=TRUE;
}
if (call->state==LinphoneCallIncomingEarlyMedia ||
(call->state==LinphoneCallOutgoingEarlyMedia && !call->params.real_early_media)){
all_muted=TRUE;
}
linphone_call_start_media_streams(call,all_muted,send_ringbacktone);
if (call->state==LinphoneCallPausing && call->paused_by_app && ms_list_size(lc->calls)==1){
linphone_core_play_named_tone(lc,LinphoneToneCallOnHold);
}
end:
if (oldmd)
sal_media_description_unref(oldmd);
}
#if 0
static bool_t is_duplicate_call(LinphoneCore *lc, const LinphoneAddress *from, const LinphoneAddress *to){
MSList *elem;
for(elem=lc->calls;elem!=NULL;elem=elem->next){
LinphoneCall *call=(LinphoneCall*)elem->data;
if (linphone_address_weak_equal(call->log->from,from) &&
linphone_address_weak_equal(call->log->to, to)){
return TRUE;
}
}
return FALSE;
}
#endif
static bool_t already_a_call_with_remote_address(const LinphoneCore *lc, const LinphoneAddress *remote) {
MSList *elem;
ms_warning(" searching for already_a_call_with_remote_address.");
for(elem=lc->calls;elem!=NULL;elem=elem->next){
const LinphoneCall *call=(LinphoneCall*)elem->data;
const LinphoneAddress *cRemote=linphone_call_get_remote_address(call);
if (linphone_address_weak_equal(cRemote,remote)) {
ms_warning("already_a_call_with_remote_address found.");
return TRUE;
}
}
return FALSE;
}
static bool_t already_a_call_pending(LinphoneCore *lc){
MSList *elem;
for(elem=lc->calls;elem!=NULL;elem=elem->next){
LinphoneCall *call=(LinphoneCall*)elem->data;
if (call->state==LinphoneCallIncomingReceived
|| call->state==LinphoneCallOutgoingInit
|| call->state==LinphoneCallOutgoingProgress
|| call->state==LinphoneCallOutgoingEarlyMedia
|| call->state==LinphoneCallOutgoingRinging){
return TRUE;
}
}
return FALSE;
}
static void call_received(SalOp *h){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
LinphoneCall *call;
const char *from,*to;
char *alt_contact;
LinphoneAddress *from_addr, *to_addr;
bool_t prevent_colliding_calls=lp_config_get_int(lc->config,"sip","prevent_colliding_calls",TRUE);
/* first check if we can answer successfully to this invite */
if (linphone_presence_model_get_basic_status(lc->presence_model) == LinphonePresenceBasicStatusClosed) {
LinphonePresenceActivity *activity = linphone_presence_model_get_activity(lc->presence_model);
switch (linphone_presence_activity_get_type(activity)) {
case LinphonePresenceActivityBusy:
sal_call_decline(h,SalReasonBusy,NULL);
break;
case LinphonePresenceActivityAppointment:
case LinphonePresenceActivityMeeting:
case LinphonePresenceActivityOffline:
case LinphonePresenceActivityWorship:
sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
break;
case LinphonePresenceActivityPermanentAbsence:
alt_contact = linphone_presence_model_get_contact(lc->presence_model);
if (alt_contact != NULL) {
sal_call_decline(h,SalReasonRedirect,alt_contact);
ms_free(alt_contact);
}
break;
default:
break;
}
sal_op_release(h);
return;
}
if (!linphone_core_can_we_add_call(lc)){/*busy*/
sal_call_decline(h,SalReasonBusy,NULL);
sal_op_release(h);
return;
}
from=sal_op_get_from(h);
to=sal_op_get_to(h);
from_addr=linphone_address_new(from);
to_addr=linphone_address_new(to);
if ((already_a_call_with_remote_address(lc,from_addr) && prevent_colliding_calls) || already_a_call_pending(lc)){
ms_warning("Receiving another call while one is ringing or initiated, refusing this one with busy message.");
sal_call_decline(h,SalReasonBusy,NULL);
sal_op_release(h);
linphone_address_destroy(from_addr);
linphone_address_destroy(to_addr);
return;
}
call=linphone_call_new_incoming(lc,from_addr,to_addr,h);
/* the call is acceptable so we can now add it to our list */
linphone_core_add_call(lc,call);
linphone_call_ref(call); /*prevent the call from being destroyed while we are notifying, if the user declines within the state callback */
if ((linphone_core_get_firewall_policy(lc) == LinphonePolicyUseIce) && (call->ice_session != NULL)) {
/* Defer ringing until the end of the ICE candidates gathering process. */
ms_message("Defer ringing to gather ICE candidates");
return;
}
#ifdef BUILD_UPNP
if ((linphone_core_get_firewall_policy(lc) == LinphonePolicyUseUpnp) && (call->upnp_session != NULL)) {
/* Defer ringing until the end of the ICE candidates gathering process. */
ms_message("Defer ringing to gather uPnP candidates");
return;
}
#endif //BUILD_UPNP
linphone_core_notify_incoming_call(lc,call);
}
static void call_ringing(SalOp *h){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(h);
SalMediaDescription *md;
if (call==NULL) return;
/*set privacy*/
call->current_params.privacy=(LinphonePrivacyMask)sal_op_get_privacy(call->op);
if (lc->vtable.display_status)
lc->vtable.display_status(lc,_("Remote ringing."));
md=sal_call_get_final_media_description(h);
if (md==NULL){
linphone_core_stop_dtmf_stream(lc);
if (lc->ringstream!=NULL) return;/*already ringing !*/
if (lc->sound_conf.play_sndcard!=NULL){
MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
if (call->localdesc->streams[0].max_rate>0) ms_snd_card_set_preferred_sample_rate(ringcard, call->localdesc->streams[0].max_rate);
/*we release sound before playing ringback tone*/
if (call->audiostream)
audio_stream_unprepare_sound(call->audiostream);
lc->ringstream=ring_start(lc->sound_conf.remote_ring,2000,ringcard);
}
ms_message("Remote ringing...");
if (lc->vtable.display_status)
lc->vtable.display_status(lc,_("Remote ringing..."));
linphone_call_set_state(call,LinphoneCallOutgoingRinging,"Remote ringing");
}else{
/*accept early media */
if (call->audiostream && audio_stream_started(call->audiostream)){
/*streams already started */
ms_message("Early media already started.");
return;
}
if (lc->vtable.show) lc->vtable.show(lc);
if (lc->vtable.display_status)
lc->vtable.display_status(lc,_("Early media."));
linphone_call_set_state(call,LinphoneCallOutgoingEarlyMedia,"Early media");
linphone_core_stop_ringing(lc);
ms_message("Doing early media...");
linphone_core_update_streams(lc,call,md);
}
}
/*
* could be reach :
* - when the call is accepted
* - when a request is accepted (pause, resume)
*/
static void call_accepted(SalOp *op){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
SalMediaDescription *md;
if (call==NULL){
ms_warning("No call to accept.");
return ;
}
/*set privacy*/
call->current_params.privacy=(LinphonePrivacyMask)sal_op_get_privacy(call->op);
/* Handle remote ICE attributes if any. */
if (call->ice_session != NULL) {
linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(op));
}
#ifdef BUILD_UPNP
if (call->upnp_session != NULL) {
linphone_core_update_upnp_from_remote_media_description(call, sal_call_get_remote_media_description(op));
}
#endif //BUILD_UPNP
md=sal_call_get_final_media_description(op);
if (md) /*make sure re-invite will not propose video again*/
call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
if (call->state==LinphoneCallOutgoingProgress ||
call->state==LinphoneCallOutgoingRinging ||
call->state==LinphoneCallOutgoingEarlyMedia){
linphone_call_set_state(call,LinphoneCallConnected,"Connected");
if (call->referer) linphone_core_notify_refer_state(lc,call->referer,call);
}
if (md && !sal_media_description_empty(md) && !linphone_core_incompatible_security(lc,md)){
linphone_call_update_remote_session_id_and_ver(call);
if (sal_media_description_has_dir(md,SalStreamSendOnly) ||
sal_media_description_has_dir(md,SalStreamInactive)){
if (lc->vtable.display_status){
char *tmp=linphone_call_get_remote_address_as_string (call);
char *msg=ms_strdup_printf(_("Call with %s is paused."),tmp);
lc->vtable.display_status(lc,msg);
ms_free(tmp);
ms_free(msg);
}
linphone_core_update_streams (lc,call,md);
linphone_call_set_state(call,LinphoneCallPaused,"Call paused");
if (call->refer_pending)
linphone_core_start_refered_call(lc,call,NULL);
}else if (sal_media_description_has_dir(md,SalStreamRecvOnly)){
/*we are put on hold when the call is initially accepted */
if (lc->vtable.display_status){
char *tmp=linphone_call_get_remote_address_as_string (call);
char *msg=ms_strdup_printf(_("Call answered by %s - on hold."),tmp);
lc->vtable.display_status(lc,msg);
ms_free(tmp);
ms_free(msg);
}
linphone_core_update_streams (lc,call,md);
linphone_call_set_state(call,LinphoneCallPausedByRemote,"Call paused by remote");
}else{
if (call->state!=LinphoneCallUpdating){
if (call->state==LinphoneCallResuming){
if (lc->vtable.display_status){
lc->vtable.display_status(lc,_("Call resumed."));
}
}else{
if (lc->vtable.display_status){
char *tmp=linphone_call_get_remote_address_as_string (call);
char *msg=ms_strdup_printf(_("Call answered by %s."),tmp);
lc->vtable.display_status(lc,msg);
ms_free(tmp);
ms_free(msg);
}
}
}
linphone_core_update_streams(lc,call,md);
/*also reflect the change if the "wished" params, in order to avoid to propose SAVP or video again
* further in the call, for example during pause,resume, conferencing reINVITEs*/
linphone_call_fix_call_parameters(call);
if (!call->current_params.in_conference)
lc->current_call=call;
linphone_call_set_state(call, LinphoneCallStreamsRunning, "Streams running");
}
}else{
/*send a bye*/
ms_error("Incompatible SDP offer received in 200Ok, need to abort the call");
linphone_core_abort_call(lc,call,_("Incompatible, check codecs or security settings..."));
}
}
static void call_ack(SalOp *op){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
if (call==NULL){
ms_warning("No call to be ACK'd");
return ;
}
if (call->expect_media_in_ack){
SalMediaDescription *md=sal_call_get_final_media_description(op);
if (md && !sal_media_description_empty(md)){
linphone_core_update_streams(lc,call,md);
linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
}else{
/*send a bye*/
ms_error("Incompatible SDP response received in ACK, need to abort the call");
linphone_core_abort_call(lc,call,"No codec intersection");
return;
}
}
}
static void call_accept_update(LinphoneCore *lc, LinphoneCall *call){
SalMediaDescription *md;
SalMediaDescription *rmd=sal_call_get_remote_media_description(call->op);
if (rmd!=NULL && call->ice_session!=NULL) {
linphone_core_update_ice_from_remote_media_description(call,rmd);
linphone_core_update_local_media_description_from_ice(call->localdesc,call->ice_session);
}
#ifdef BUILD_UPNP
if(call->upnp_session != NULL) {
linphone_core_update_upnp_from_remote_media_description(call, rmd);
linphone_core_update_local_media_description_from_upnp(call->localdesc,call->upnp_session);
}
#endif //BUILD_UPNP
linphone_call_update_remote_session_id_and_ver(call);
sal_call_accept(call->op);
md=sal_call_get_final_media_description(call->op);
if (md && !sal_media_description_empty(md)){
linphone_core_update_streams(lc,call,md);
}
}
static void call_resumed(LinphoneCore *lc, LinphoneCall *call){
call_accept_update(lc,call);
if(lc->vtable.display_status)
lc->vtable.display_status(lc,_("We have been resumed."));
linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
}
static void call_paused_by_remote(LinphoneCore *lc, LinphoneCall *call){
call_accept_update(lc,call);
/* we are being paused */
if(lc->vtable.display_status)
lc->vtable.display_status(lc,_("We are paused by other party."));
linphone_call_set_state (call,LinphoneCallPausedByRemote,"Call paused by remote");
}
static void call_updated_by_remote(LinphoneCore *lc, LinphoneCall *call){
/*first check if media capabilities are compatible*/
SalMediaDescription* md;
linphone_call_make_local_media_description(lc,call);
sal_call_set_local_media_description(call->op,call->localdesc);
md=sal_call_get_final_media_description(call->op);
if (md && (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md))){
sal_call_decline(call->op,SalReasonNotAcceptable,NULL);
return;
}
if(lc->vtable.display_status)
lc->vtable.display_status(lc,_("Call is updated by remote."));
call->defer_update=FALSE;
linphone_call_set_state(call, LinphoneCallUpdatedByRemote,"Call updated by remote");
if (call->defer_update==FALSE){
linphone_core_accept_call_update(lc,call,NULL);
}
}
/* this callback is called when an incoming re-INVITE modifies the session*/
static void call_updating(SalOp *op){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
SalMediaDescription *rmd=sal_call_get_remote_media_description(op);
if (rmd==NULL){
/* case of a reINVITE without SDP */
call_accept_update(lc,call);
call->expect_media_in_ack=TRUE;
return;
}
switch(call->state){
case LinphoneCallPausedByRemote:
if (sal_media_description_has_dir(rmd,SalStreamSendRecv) || sal_media_description_has_dir(rmd,SalStreamRecvOnly)){
call_resumed(lc,call);
}else call_paused_by_remote(lc,call);
break;
case LinphoneCallStreamsRunning:
case LinphoneCallConnected:
if (sal_media_description_has_dir(rmd,SalStreamSendOnly) || sal_media_description_has_dir(rmd,SalStreamInactive)){
call_paused_by_remote(lc,call);
}else{
call_updated_by_remote(lc,call);
}
break;
default:
call_accept_update(lc,call);
}
}
static void call_terminated(SalOp *op, const char *from){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
if (call==NULL) return;
switch(linphone_call_get_state(call)){
case LinphoneCallEnd:
case LinphoneCallError:
ms_warning("call_terminated: ignoring.");
return;
break;
case LinphoneCallIncomingReceived:
case LinphoneCallIncomingEarlyMedia:
call->reason=LinphoneReasonNotAnswered;
break;
default:
break;
}
ms_message("Current call terminated...");
if (call->refer_pending){
linphone_core_start_refered_call(lc,call,NULL);
}
//we stop the call only if we have this current call or if we are in call
if (lc->ringstream!=NULL && ( (ms_list_size(lc->calls) == 1) || linphone_core_in_call(lc) )) {
linphone_core_stop_ringing(lc);
}
linphone_call_stop_media_streams(call);
if (lc->vtable.show!=NULL)
lc->vtable.show(lc);
if (lc->vtable.display_status!=NULL)
lc->vtable.display_status(lc,_("Call terminated."));
#ifdef BUILD_UPNP
linphone_call_delete_upnp_session(call);
#endif //BUILD_UPNP
linphone_call_set_state(call, LinphoneCallEnd,"Call ended");
}
static int resume_call_after_failed_transfer(LinphoneCall *call){
ms_message("!!!!!!!!!!resume_call_after_failed_transfer");
if (call->was_automatically_paused && call->state==LinphoneCallPausing)
return BELLE_SIP_CONTINUE; /*was still in pausing state*/
if (call->was_automatically_paused && call->state==LinphoneCallPaused){
if (sal_op_is_idle(call->op)){
linphone_core_resume_call(call->core,call);
}else {
ms_message("!!!!!!!!!!resume_call_after_failed_transfer, salop was busy");
return BELLE_SIP_CONTINUE;
}
}
linphone_call_unref(call);
return BELLE_SIP_STOP;
}
static void call_failure(SalOp *op, SalError error, SalReason sr, const char *details, int code){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
char *msg486=_("User is busy.");
char *msg480=_("User is temporarily unavailable.");
/*char *retrymsg=_("%s. Retry after %i minute(s).");*/
char *msg600=_("User does not want to be disturbed.");
char *msg603=_("Call declined.");
const char *msg=details;
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
LinphoneCall *referer=call->referer;
if (call==NULL){
ms_warning("Call faillure reported on already terminated call.");
return ;
}
if (lc->vtable.show) lc->vtable.show(lc);
if (error==SalErrorNoResponse){
msg=_("No response.");
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg);
}else if (error==SalErrorProtocol){
msg=details ? details : _("Protocol error.");
if (lc->vtable.display_status)
lc->vtable.display_status(lc, msg);
}else if (error==SalErrorFailure){
switch(sr){
case SalReasonDeclined:
msg=msg603;
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg603);
break;
case SalReasonBusy:
msg=msg486;
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg486);
break;
case SalReasonRedirect:
msg=_("Redirected");
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg);
break;
case SalReasonTemporarilyUnavailable:
msg=msg480;
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg480);
break;
case SalReasonNotFound:
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg);
break;
case SalReasonDoNotDisturb:
msg=msg600;
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg600);
break;
case SalReasonUnsupportedContent: /*<this is for compatibility: linphone sent 415 because of SDP offer answer failure*/
case SalReasonNotAcceptable:
//media_encryption_mandatory
if (call->params.media_encryption == LinphoneMediaEncryptionSRTP &&
!linphone_core_is_media_encryption_mandatory(lc)) {
int i;
ms_message("Outgoing call [%p] failed with SRTP (SAVP) enabled",call);
linphone_call_stop_media_streams(call);
if ( call->state==LinphoneCallOutgoingInit
|| call->state==LinphoneCallOutgoingProgress
|| call->state==LinphoneCallOutgoingRinging /*push case*/
|| call->state==LinphoneCallOutgoingEarlyMedia){
ms_message("Retrying call [%p] with AVP",call);
/* clear SRTP local params */
call->params.media_encryption = LinphoneMediaEncryptionNone;
for(i=0; i<call->localdesc->n_active_streams; i++) {
call->localdesc->streams[i].proto = SalProtoRtpAvp;
memset(call->localdesc->streams[i].crypto, 0, sizeof(call->localdesc->streams[i].crypto));
}
linphone_core_restart_invite(lc, call);
return;
}
}
msg=_("Incompatible media parameters.");
if (lc->vtable.display_status)
lc->vtable.display_status(lc,msg);
break;
case SalReasonRequestPending:
/*restore previous state, the application will decide to resubmit the action if relevant*/
call->reason=linphone_reason_from_sal(sr);
linphone_call_set_state(call,call->prevstate,msg);
return;
break;
default:
if (lc->vtable.display_status)
lc->vtable.display_status(lc,_("Call failed."));
}
}
/*some call error are not fatal*/
switch (call->state) {
case LinphoneCallUpdating:
case LinphoneCallPausing:
case LinphoneCallResuming:
ms_message("Call error on state [%s], restoring previous state",linphone_call_state_to_string(call->prevstate));
call->reason=linphone_reason_from_sal(sr);
linphone_call_set_state(call, call->prevstate,details);
return;
default:
break; /*nothing to do*/
}
linphone_core_stop_ringing(lc);
linphone_call_stop_media_streams(call);
#ifdef BUILD_UPNP
linphone_call_delete_upnp_session(call);
#endif //BUILD_UPNP
call->reason=linphone_reason_from_sal(sr);
if (sr==SalReasonDeclined){
linphone_call_set_state(call,LinphoneCallEnd,"Call declined.");
}else{
linphone_call_set_state(call,LinphoneCallError,details);
if (sr==SalReasonBusy)
linphone_core_play_named_tone(lc,LinphoneToneBusy);
}
if (referer){
/*notify referer of the failure*/
linphone_core_notify_refer_state(lc,referer,call);
/*schedule automatic resume of the call. This must be done only after the notifications are completed due to dialog serialization of requests.*/
linphone_core_queue_task(lc,(belle_sip_source_func_t)resume_call_after_failed_transfer,linphone_call_ref(referer),"Automatic call resuming after failed transfer");
}
}
static void call_released(SalOp *op){
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
if (call!=NULL){
linphone_call_set_state(call,LinphoneCallReleased,"Call released");
}else ms_error("call_released() for already destroyed call ?");
}
static void auth_failure(SalOp *op, SalAuthInfo* info) {
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,info->realm,info->username,info->domain);
if (ai){
ms_message("%s/%s/%s authentication fails.",info->realm,info->username,info->domain);
/*ask again for password if auth info was already supplied but apparently not working*/
if (lc->vtable.auth_info_requested) {
lc->vtable.auth_info_requested(lc,info->realm,info->username,info->domain);
}
}
}
static void register_success(SalOp *op, bool_t registered){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
char *msg;
if (!cfg || cfg->deletion_date!=0){
ms_message("Registration success for removed proxy config, ignored");
return;
}
linphone_proxy_config_set_error(cfg,LinphoneReasonNone);
linphone_proxy_config_set_state(cfg, registered ? LinphoneRegistrationOk : LinphoneRegistrationCleared ,
registered ? "Registration sucessful" : "Unregistration done");
if (lc->vtable.display_status){
if (registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op));
else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op));
lc->vtable.display_status(lc,msg);
ms_free(msg);
}
}
static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
if (cfg==NULL){
ms_warning("Registration failed for unknown proxy config.");
return ;
}
if (cfg->deletion_date!=0){
ms_message("Registration failed for removed proxy config, ignored");
return;
}
if (details==NULL)
details=_("no response timeout");
if (lc->vtable.display_status) {
char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op),details );
lc->vtable.display_status(lc,msg);
ms_free(msg);
}
linphone_proxy_config_set_error(cfg,linphone_reason_from_sal(reason));
if (error== SalErrorFailure
&& reason == SalReasonServiceUnavailable
&& linphone_proxy_config_get_state(cfg) == LinphoneRegistrationOk) {
linphone_proxy_config_set_state(cfg,LinphoneRegistrationProgress,_("Service unavailable, retrying"));
} else {
linphone_proxy_config_set_state(cfg,LinphoneRegistrationFailed,details);
}
if (cfg->publish_op){
/*prevent publish to be sent now until registration gets successful*/
sal_op_release(cfg->publish_op);
cfg->publish_op=NULL;
cfg->send_publish=cfg->publish;
}
}
static void vfu_request(SalOp *op){
#ifdef VIDEO_ENABLED
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
if (call==NULL){
ms_warning("VFU request but no call !");
return ;
}
if (call->videostream)
video_stream_send_vfu(call->videostream);
#endif
}
static void dtmf_received(SalOp *op, char dtmf){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
if (lc->vtable.dtmf_received != NULL)
lc->vtable.dtmf_received(lc, call, dtmf);
}
static void refer_received(Sal *sal, SalOp *op, const char *referto){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
if (call){
if (call->refer_to!=NULL){
ms_free(call->refer_to);
}
call->refer_to=ms_strdup(referto);
call->refer_pending=TRUE;
linphone_call_set_state(call,LinphoneCallRefered,"Refered");
if (lc->vtable.display_status){
char *msg=ms_strdup_printf(_("We are transferred to %s"),referto);
lc->vtable.display_status(lc,msg);
ms_free(msg);
}
if (call->refer_pending) linphone_core_start_refered_call(lc,call,NULL);
}else if (lc->vtable.refer_received){
lc->vtable.refer_received(lc,referto);
}
}
static bool_t is_duplicate_msg(LinphoneCore *lc, const char *msg_id){
MSList *elem=lc->last_recv_msg_ids;
MSList *tail=NULL;
int i;
bool_t is_duplicate=FALSE;
for(i=0;elem!=NULL;elem=elem->next,i++){
if (strcmp((const char*)elem->data,msg_id)==0){
is_duplicate=TRUE;
}
tail=elem;
}
if (!is_duplicate){
lc->last_recv_msg_ids=ms_list_prepend(lc->last_recv_msg_ids,ms_strdup(msg_id));
}
if (i>=10){
ms_free(tail->data);
lc->last_recv_msg_ids=ms_list_remove_link(lc->last_recv_msg_ids,tail);
}
return is_duplicate;
}
static void text_received(SalOp *op, const SalMessage *msg){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
if (is_duplicate_msg(lc,msg->message_id)==FALSE){
linphone_core_message_received(lc,op,msg);
}
}
static void is_composing_received(SalOp *op, const SalIsComposing *is_composing) {
LinphoneCore *lc = (LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
linphone_core_is_composing_received(lc, op, is_composing);
}
static void parse_presence_requested(SalOp *op, const char *content_type, const char *content_subtype, const char *body, SalPresenceModel **result) {
linphone_notify_parse_presence(op, content_type, content_subtype, body, result);
}
static void convert_presence_to_xml_requested(SalOp *op, SalPresenceModel *presence, const char *contact, char **content) {
linphone_notify_convert_presence_to_xml(op, presence, contact, content);
}
static void notify_presence(SalOp *op, SalSubscribeStatus ss, SalPresenceModel *model, const char *msg){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
linphone_notify_recv(lc,op,ss,model);
}
static void subscribe_presence_received(SalOp *op, const char *from){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
linphone_subscription_new(lc,op,from);
}
static void subscribe_presence_closed(SalOp *op, const char *from){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
linphone_subscription_closed(lc,op);
}
static void ping_reply(SalOp *op){
LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
ms_message("ping reply !");
if (call){
if (call->state==LinphoneCallOutgoingInit){
call->ping_replied=TRUE;
linphone_core_proceed_with_invite_if_ready(call->core,call,NULL);
}
}
else
{
ms_warning("ping reply without call attached...");
}
}
static const char *get_client_cert_path(LinphoneCore *lc) {
static char cldir[200] = {0};
#ifdef HAVE_GETENV
if (!cldir[0]) {
static char default_path[200] = {0};
snprintf(default_path, sizeof(default_path), "%s%s", getenv("HOME"), "/linphone_certs");
snprintf(cldir, sizeof(cldir), "%s", lp_config_get_string(lc->config,"sip","client_certificates_dir", default_path));
}
#endif
return cldir;
}
static bool_t fill_auth_info_with_client_certificate(LinphoneCore *lc, SalAuthInfo* sai) {
char chain_file[200];
char key_file[200];
const char *path = get_client_cert_path(lc);
snprintf(chain_file, sizeof(chain_file), "%s%s", path, "/chain.pem");
snprintf(key_file, sizeof(key_file), "%s%s", path, "/key.pem");
#ifndef WIN32
{
// optinal check for files
struct stat st;
if (stat(key_file,&st)) {
ms_warning("No client certificate key found in %s", key_file);
return FALSE;
}
if (stat(chain_file,&st)) {
ms_warning("No client certificate chain found in %s", chain_file);
return FALSE;
}
}
#endif
sal_certificates_chain_parse_file(sai, chain_file, SAL_CERTIFICATE_RAW_FORMAT_PEM );
sal_signing_key_parse_file(sai, key_file, "");
return sai->certificates && sai->key;
}
static bool_t fill_auth_info(LinphoneCore *lc, SalAuthInfo* sai) {
LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,sai->realm,sai->username,sai->domain);
if (ai) {
sai->userid=ms_strdup(ai->userid?ai->userid:ai->username);
sai->password=ai->passwd?ms_strdup(ai->passwd):NULL;
sai->ha1=ai->ha1?ms_strdup(ai->ha1):NULL;
ai->usecount++;
ai->last_use_time=ms_time(NULL);
return TRUE;
} else {
return FALSE;
}
}
static bool_t auth_requested(Sal* sal, SalAuthInfo* sai) {
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
if (sai->mode == SalAuthModeHttpDigest) {
if (fill_auth_info(lc,sai)) {
return TRUE;
} else {
if (lc->vtable.auth_info_requested) {
lc->vtable.auth_info_requested(lc,sai->realm,sai->username,sai->domain);
if (fill_auth_info(lc,sai)) {
return TRUE;
}
}
return FALSE;
}
} else if (sai->mode == SalAuthModeTls) {
return fill_auth_info_with_client_certificate(lc,sai);
} else {
return FALSE;
}
}
static void notify_refer(SalOp *op, SalReferStatus status){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
LinphoneCallState cstate;
if (call==NULL) {
ms_warning("Receiving notify_refer for unknown call.");
return ;
}
switch(status){
case SalReferTrying:
cstate=LinphoneCallOutgoingProgress;
break;
case SalReferSuccess:
cstate=LinphoneCallConnected;
break;
case SalReferFailed:
cstate=LinphoneCallError;
break;
default:
cstate=LinphoneCallError;
}
linphone_call_set_transfer_state(call, cstate);
if (cstate==LinphoneCallConnected){
/*automatically terminate the call as the transfer is complete.*/
linphone_core_terminate_call(lc,call);
}
}
static LinphoneChatMessageState chatStatusSal2Linphone(SalTextDeliveryStatus status){
switch(status){
case SalTextDeliveryInProgress:
return LinphoneChatMessageStateInProgress;
case SalTextDeliveryDone:
return LinphoneChatMessageStateDelivered;
case SalTextDeliveryFailed:
return LinphoneChatMessageStateNotDelivered;
}
return LinphoneChatMessageStateIdle;
}
static int op_equals(LinphoneCall *a, SalOp *b) {
return a->op !=b; /*return 0 if equals*/
}
static void text_delivery_update(SalOp *op, SalTextDeliveryStatus status){
LinphoneChatMessage *chat_msg=(LinphoneChatMessage* )sal_op_get_user_pointer(op);
const MSList* calls;
if (chat_msg == NULL) {
// Do not handle delivery status for isComposing messages.
return;
}
calls = linphone_core_get_calls(chat_msg->chat_room->lc);
chat_msg->state=chatStatusSal2Linphone(status);
linphone_chat_message_store_state(chat_msg);
if (chat_msg && chat_msg->cb) {
ms_message("Notifying text delivery with status %i",chat_msg->state);
chat_msg->cb(chat_msg
,chat_msg->state
,chat_msg->cb_ud);
}
if (status != SalTextDeliveryInProgress) { /*don't release op if progress*/
linphone_chat_message_destroy(chat_msg);
if (!ms_list_find_custom((MSList*)calls, (MSCompareFunc) op_equals, op)) {
/*op was only create for messaging purpose, destroying*/
sal_op_release(op);
}
}
}
static void info_received(SalOp *op, const SalBody *body){
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
linphone_core_notify_info_message(lc,op,body);
}
static void subscribe_response(SalOp *op, SalSubscribeStatus status, SalError error, SalReason reason){
LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op);
if (lev==NULL) return;
if (status==SalSubscribeActive){
linphone_event_set_state(lev,LinphoneSubscriptionActive);
}else if (status==SalSubscribePending){
linphone_event_set_state(lev,LinphoneSubscriptionPending);
}else{
linphone_event_set_reason(lev, linphone_reason_from_sal(reason));
linphone_event_set_state(lev,LinphoneSubscriptionError);
}
}
static void notify(SalOp *op, SalSubscribeStatus st, const char *eventname, const SalBody *body){
LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op);
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
LinphoneContent content;
if (lev==NULL) {
/*out of subscribe notify */
lev=linphone_event_new_with_op(lc,op,LinphoneSubscriptionOutgoing,eventname);
}
if (lc->vtable.notify_received){
const LinphoneContent *ct=linphone_content_from_sal_body(&content,body);
if (ct) lc->vtable.notify_received(lc,lev,eventname,ct);
}
if (st!=SalSubscribeNone){
linphone_event_set_state(lev,linphone_subscription_state_from_sal(st));
}
}
static void subscribe_received(SalOp *op, const char *eventname, const SalBody *body){
LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op);
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
if (lev==NULL) {
lev=linphone_event_new_with_op(lc,op,LinphoneSubscriptionIncoming,eventname);
linphone_event_set_state(lev,LinphoneSubscriptionIncomingReceived);
}else{
/*subscribe refresh, unhandled*/
}
}
static void subscribe_closed(SalOp *op){
LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op);
linphone_event_set_state(lev,LinphoneSubscriptionTerminated);
}
static void on_publish_response(SalOp* op, SalError err, SalReason reason){
LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op);
if (lev==NULL) return;
if (err==SalErrorNone){
if (!lev->terminating)
linphone_event_set_publish_state(lev,LinphonePublishOk);
else
linphone_event_set_publish_state(lev,LinphonePublishCleared);
}else{
linphone_event_set_reason(lev,linphone_reason_from_sal(reason));
linphone_event_set_publish_state(lev,LinphonePublishError);
}
}
static void on_expire(SalOp *op){
LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op);
if (lev==NULL) return;
if (linphone_event_get_publish_state(lev)==LinphonePublishOk){
linphone_event_set_publish_state(lev,LinphonePublishExpiring);
}else if (linphone_event_get_subscription_state(lev)==LinphoneSubscriptionActive){
linphone_event_set_state(lev,LinphoneSubscriptionExpiring);
}
}
SalCallbacks linphone_sal_callbacks={
call_received,
call_ringing,
call_accepted,
call_ack,
call_updating,
call_terminated,
call_failure,
call_released,
auth_failure,
register_success,
register_failure,
vfu_request,
dtmf_received,
refer_received,
text_received,
text_delivery_update,
is_composing_received,
notify_refer,
subscribe_received,
subscribe_closed,
subscribe_response,
notify,
subscribe_presence_received,
subscribe_presence_closed,
parse_presence_requested,
convert_presence_to_xml_requested,
notify_presence,
ping_reply,
auth_requested,
info_received,
on_publish_response,
on_expire
};
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