int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call)
{
char local_addr[64];
sockaddr_x ss;
socklen_t ss_len;
IceCheckList *audio_check_list;
IceCheckList *video_check_list;
const char *server = linphone_core_get_stun_server(lc);
if ((server == NULL) || (call->ice_session == NULL)) return -1;
audio_check_list = ice_session_check_list(call->ice_session, 0);
video_check_list = ice_session_check_list(call->ice_session, 1);
if (audio_check_list == NULL) return -1;
if (lc->sip_conf.ipv6_enabled){
ms_warning("stun support is not implemented for ipv6");
return -1;
}
if (parse_hostname_to_addr(server, &ss, &ss_len) < 0) {
ms_error("Fail to parser stun server address: %s", server);
return -1;
}
if (lc->vtable.display_status != NULL)
lc->vtable.display_status(lc, _("ICE local candidates gathering in progress..."));
/* Gather local host candidates. */
if (linphone_core_get_local_ip_for(AF_INET, server, local_addr) < 0) {
ms_error("Fail to get local ip");
return -1;
}
if ((ice_check_list_state(audio_check_list) != ICL_Completed) && (ice_check_list_candidates_gathered(audio_check_list) == FALSE)) {
ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port, 1, NULL);
ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port + 1, 2, NULL);
call->stats[LINPHONE_CALL_STATS_AUDIO].ice_state = LinphoneIceStateInProgress;
}
if (call->params.has_video && (video_check_list != NULL)
&& (ice_check_list_state(video_check_list) != ICL_Completed) && (ice_check_list_candidates_gathered(video_check_list) == FALSE)) {
ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port, 1, NULL);
ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port + 1, 2, NULL);
call->stats[LINPHONE_CALL_STATS_VIDEO].ice_state = LinphoneIceStateInProgress;
}
ms_message("ICE: gathering candidate from [%s]",server);
/* Gather local srflx candidates. */
/* ice_session_gather_candidates(call->ice_session, ss, ss_len); */
return 0;
}
int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call)
{
char local_addr[64];
const struct addrinfo *ai;
IceCheckList *audio_check_list;
IceCheckList *video_check_list;
const char *server = linphone_core_get_stun_server(lc);
if ((server == NULL) || (call->ice_session == NULL)) return -1;
audio_check_list = ice_session_check_list(call->ice_session, 0);
video_check_list = ice_session_check_list(call->ice_session, 1);
if (audio_check_list == NULL) return -1;
if (call->af==AF_INET6){
ms_warning("Ice gathering is not implemented for ipv6");
return -1;
}
ai=linphone_core_get_stun_server_addrinfo(lc);
if (ai==NULL){
ms_warning("Fail to resolve STUN server for ICE gathering.");
return -1;
}
if (lc->vtable.display_status != NULL)
lc->vtable.display_status(lc, _("ICE local candidates gathering in progress..."));
/* Gather local host candidates. */
if (linphone_core_get_local_ip_for(AF_INET, NULL, local_addr) < 0) {
ms_error("Fail to get local ip");
return -1;
}
if ((ice_check_list_state(audio_check_list) != ICL_Completed) && (ice_check_list_candidates_gathered(audio_check_list) == FALSE)) {
ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port, 1, NULL);
ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port + 1, 2, NULL);
call->stats[LINPHONE_CALL_STATS_AUDIO].ice_state = LinphoneIceStateInProgress;
}
if (call->params.has_video && (video_check_list != NULL)
&& (ice_check_list_state(video_check_list) != ICL_Completed) && (ice_check_list_candidates_gathered(video_check_list) == FALSE)) {
ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port, 1, NULL);
ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port + 1, 2, NULL);
call->stats[LINPHONE_CALL_STATS_VIDEO].ice_state = LinphoneIceStateInProgress;
}
ms_message("ICE: gathering candidate from [%s]",server);
/* Gather local srflx candidates. */
ice_session_gather_candidates(call->ice_session, ai->ai_addr, ai->ai_addrlen);
return 0;
}
