static int tsip_dialog_invite_ice_create_ctx(tsip_dialog_invite_t * self, tmedia_type_t media_type) { int32_t transport_idx; int ret = 0; if(!self){ TSK_DEBUG_ERROR("Invalid parameter"); return -1; } transport_idx = TSIP_DIALOG_GET_STACK(self)->network.transport_idx_default; if (!self->ice.ctx_audio && (media_type & tmedia_audio)) { self->ice.ctx_audio = tnet_ice_ctx_create(self->ice.is_jingle, TNET_SOCKET_TYPE_IS_IPV6(TSIP_DIALOG_GET_STACK(self)->network.proxy_cscf_type[transport_idx]), self->use_rtcp, tsk_false, tsip_dialog_invite_ice_audio_callback, self); if (!self->ice.ctx_audio) { TSK_DEBUG_ERROR("Failed to create ICE audio context"); return -2; } ret = tnet_ice_ctx_set_stun(self->ice.ctx_audio, TSIP_DIALOG_GET_SS(self)->media.stun.hostname, TSIP_DIALOG_GET_SS(self)->media.stun.port, kStunSoftware, TSIP_DIALOG_GET_SS(self)->media.stun.username, TSIP_DIALOG_GET_SS(self)->media.stun.password); ret = tnet_ice_ctx_set_stun_enabled(self->ice.ctx_audio, TSIP_DIALOG_GET_SS(self)->media.enable_icestun); ret = tnet_ice_ctx_set_turn_enabled(self->ice.ctx_audio, TSIP_DIALOG_GET_SS(self)->media.enable_iceturn); ret = tnet_ice_ctx_set_rtcpmux(self->ice.ctx_audio, self->use_rtcpmux); } if (!self->ice.ctx_video && (media_type & tmedia_video)) { self->ice.ctx_video = tnet_ice_ctx_create(self->ice.is_jingle, TNET_SOCKET_TYPE_IS_IPV6(TSIP_DIALOG_GET_STACK(self)->network.proxy_cscf_type[transport_idx]), self->use_rtcp, tsk_true, tsip_dialog_invite_ice_video_callback, self); if (!self->ice.ctx_video) { TSK_DEBUG_ERROR("Failed to create ICE video context"); return -2; } ret = tnet_ice_ctx_set_stun(self->ice.ctx_video, TSIP_DIALOG_GET_SS(self)->media.stun.hostname, TSIP_DIALOG_GET_SS(self)->media.stun.port, kStunSoftware, TSIP_DIALOG_GET_SS(self)->media.stun.username, TSIP_DIALOG_GET_SS(self)->media.stun.password); ret = tnet_ice_ctx_set_stun_enabled(self->ice.ctx_video, TSIP_DIALOG_GET_SS(self)->media.enable_icestun); ret = tnet_ice_ctx_set_turn_enabled(self->ice.ctx_video, TSIP_DIALOG_GET_SS(self)->media.enable_iceturn); ret = tnet_ice_ctx_set_rtcpmux(self->ice.ctx_video, self->use_rtcpmux); } // set media type ret = tsip_dialog_invite_ice_set_media_type(self, media_type); // update session manager with the right ICE contexts if (self->msession_mgr) { ret = tmedia_session_mgr_set_ice_ctx(self->msession_mgr, self->ice.ctx_audio, self->ice.ctx_video); } return ret; }
int tsip_dialog_invite_ice_process_ro(tsip_dialog_invite_t * self, const tsdp_message_t* sdp_ro, tsk_bool_t is_remote_offer) { char* ice_remote_candidates; const tsdp_header_M_t* M; tsk_size_t index; const tsdp_header_A_t *A; const tsdp_header_O_t *O; const char* sess_ufrag = tsk_null; const char* sess_pwd = tsk_null; int ret = 0, i; struct tnet_ice_ctx_s *ctx; if(!self || !sdp_ro){ TSK_DEBUG_ERROR("Invalid parameter"); return -1; } if(!self->ice.ctx_audio && !self->ice.ctx_video){ return 0; } // make sure this is different SDP if((O = (const tsdp_header_O_t*)tsdp_message_get_header(sdp_ro, tsdp_htype_O))){ if(self->ice.last_sdp_ro_ver == (int32_t)O->sess_version){ TSK_DEBUG_INFO("ICE: ignore processing SDP RO because version haven't changed"); return 0; } self->ice.last_sdp_ro_ver = (int32_t)O->sess_version; } // session level attributes if((A = tsdp_message_get_headerA(sdp_ro, "ice-ufrag"))){ sess_ufrag = A->value; } if((A = tsdp_message_get_headerA(sdp_ro, "ice-pwd"))){ sess_pwd = A->value; } #if 0 // Use RTCWeb Profile (tmedia_profile_rtcweb) { const tsdp_header_S_t *S; if((S = (const tsdp_header_S_t *)tsdp_message_get_header(sdp_ro, tsdp_htype_S)) && S->value){ self->ice.is_jingle = tsk_strcontains(S->value, tsk_strlen(S->value), "webrtc"); } } #endif for(i = 0; i < 2; ++i){ if((M = tsdp_message_find_media(sdp_ro, i==0 ? "audio": "video"))){ const char *ufrag = sess_ufrag, *pwd = sess_pwd; tsk_bool_t remote_use_rtcpmux = (tsdp_header_M_findA(M, "rtcp-mux") != tsk_null); ctx = (i==0 ? self->ice.ctx_audio : self->ice.ctx_video); ice_remote_candidates = tsk_null; index = 0; if((A = tsdp_header_M_findA(M, "ice-ufrag"))){ ufrag = A->value; } if((A = tsdp_header_M_findA(M, "ice-pwd"))){ pwd = A->value; } while((A = tsdp_header_M_findA_at(M, "candidate", index++))){ tsk_strcat_2(&ice_remote_candidates, "%s\r\n", A->value); } // ICE processing will be automatically stopped if the remote candidates are not valid // ICE-CONTROLLING role if we are the offerer ret = tnet_ice_ctx_set_remote_candidates(ctx, ice_remote_candidates, ufrag, pwd, !is_remote_offer, self->ice.is_jingle); TSK_SAFE_FREE(ice_remote_candidates); // Now that 'rtcp-mux' option have been updated by the session pass the value to the ICE ctx ret = tnet_ice_ctx_set_rtcpmux(ctx, (self->use_rtcpmux && remote_use_rtcpmux)); } } return ret; }
static int tsip_dialog_invite_ice_create_ctx(tsip_dialog_invite_t * self, tmedia_type_t media_type) { int32_t transport_idx; if(!self){ TSK_DEBUG_ERROR("Invalid parameter"); return -1; } transport_idx = TSIP_DIALOG_GET_STACK(self)->network.transport_idx_default; if(!self->ice.ctx_audio && (media_type & tmedia_audio)){ self->ice.ctx_audio = tnet_ice_ctx_create(self->ice.is_jingle, TNET_SOCKET_TYPE_IS_IPV6(TSIP_DIALOG_GET_STACK(self)->network.proxy_cscf_type[transport_idx]), self->use_rtcp, tsk_false, tsip_dialog_invite_ice_audio_callback, self); if(!self->ice.ctx_audio){ TSK_DEBUG_ERROR("Failed to create ICE audio context"); return -2; } tnet_ice_ctx_set_stun(self->ice.ctx_audio, "stun.l.google.com", 19302, "Doubango", "*****@*****.**", "stun-password"); //FIXME tnet_ice_ctx_set_rtcpmux(self->ice.ctx_audio, self->use_rtcpmux); } if(!self->ice.ctx_video && (media_type & tmedia_video)){ self->ice.ctx_video = tnet_ice_ctx_create(self->ice.is_jingle, TNET_SOCKET_TYPE_IS_IPV6(TSIP_DIALOG_GET_STACK(self)->network.proxy_cscf_type[transport_idx]), self->use_rtcp, tsk_true, tsip_dialog_invite_ice_video_callback, self); if(!self->ice.ctx_video){ TSK_DEBUG_ERROR("Failed to create ICE video context"); return -2; } tnet_ice_ctx_set_stun(self->ice.ctx_video, "stun.l.google.com", 19302, "Doubango", "*****@*****.**", "stun-password"); // FIXME tnet_ice_ctx_set_rtcpmux(self->ice.ctx_video, self->use_rtcpmux); } // "none" comparison is used to exclude the "first call" if(self->ice.media_type != tmedia_none && self->ice.media_type != media_type){ // cancels contexts associated to old medias if(self->ice.ctx_audio && !(media_type & tmedia_audio)){ tnet_ice_ctx_cancel(self->ice.ctx_audio); } if(self->ice.ctx_video && !(media_type & tmedia_video)){ tnet_ice_ctx_cancel(self->ice.ctx_video); } // cancels contexts associated to new medias (e.g. session "remove" then "add") // cancel() on newly created contexts don't have any effect if(self->ice.ctx_audio && (!(media_type & tmedia_audio) && (self->ice.media_type & tmedia_audio))){ //tnet_ice_ctx_cancel(self->ice.ctx_audio); } if(self->ice.ctx_video && (!(media_type & tmedia_video) && (self->ice.media_type & tmedia_video))){ //tnet_ice_ctx_cancel(self->ice.ctx_video); } } self->ice.media_type = media_type; // For now disable timers until both parties get candidates // (RECV ACK) or RECV (200 OK) tsip_dialog_invite_ice_timers_set(self, -1); // update session manager with the right ICE contexts if(self->msession_mgr){ tmedia_session_mgr_set_ice_ctx(self->msession_mgr, self->ice.ctx_audio, self->ice.ctx_video); } return 0; }