| c732d49e |
#if HAVE_CRT
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#endif //HAVE_CRT
/*
* Copyright (C) 2012 Doubango Telecom <http://www.doubango.org>
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as publishd by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 DOUBANGO.
*
*/
#include "tinysip/dialogs/tsip_dialog_invite.h"
#include "tinysip/dialogs/tsip_dialog_invite.common.h"
#include "tinysdp/parsers/tsdp_parser_message.h"
#include "tinysdp/tsdp_message.h"
#include "tinysdp/headers/tsdp_header_S.h"
#include "tinysdp/headers/tsdp_header_O.h"
#include "stun/tnet_stun_types.h"
#include "ice/tnet_ice_ctx.h"
#include "tsk_debug.h"
extern int tsip_dialog_invite_msession_start(tsip_dialog_invite_t *self);
static int tsip_dialog_invite_ice_create_ctx(tsip_dialog_invite_t * self, tmedia_type_t media_type);
static int tsip_dialog_invite_ice_audio_callback(const tnet_ice_event_t *e);
static int tsip_dialog_invite_ice_video_callback(const tnet_ice_event_t *e);
int tsip_dialog_invite_ice_set_media_type(tsip_dialog_invite_t * self, tmedia_type_t media_type);
tsk_bool_t tsip_dialog_invite_ice_got_local_candidates(const tsip_dialog_invite_t * self);
int tsip_dialog_invite_ice_process_ro(tsip_dialog_invite_t * self, const tsdp_message_t* sdp_ro, tsk_bool_t is_remote_offer);
#define tsip_dialog_invite_ice_cancel_silent_and_sync_ctx(_self) \
tsip_dialog_invite_ice_set_sync_mode_ctx((_self), tsk_true); \
tsip_dialog_invite_ice_set_silent_mode_ctx((_self), tsk_true); \
tsip_dialog_invite_ice_cancel_ctx((_self)); /* "cancelled" event will not be sent and we're sure that cancel operation will be done when the function exit */ \
tsip_dialog_invite_ice_set_sync_mode_ctx((_self), tsk_false); \
tsip_dialog_invite_ice_set_silent_mode_ctx((_self), tsk_false); \
/* ======================== transitions ======================== */
// Use "Current" instead of "Any" to avoid priority reordering
static int x0500_Current_2_Current_X_oINVITE(va_list *app);
static int x0500_Current_2_Current_X_iINVITE(va_list *app);
/* ======================== conds ======================== */
static tsk_bool_t _fsm_cond_get_local_candidates(tsip_dialog_invite_t* self, tsip_message_t* message)
{
if(self->supported.ice){
tsk_bool_t use_ice = tsk_false;
// "action->media.type" will be defined for locally initiated media update
tmedia_type_t new_media = TSIP_DIALOG(self)->curr_action ? TSIP_DIALOG(self)->curr_action->media.type : tmedia_none;
if(message && TSIP_MESSAGE_HAS_CONTENT(message) && tsk_striequals("application/sdp", TSIP_MESSAGE_CONTENT_TYPE(message))){
// If this code is called this means that we are the "answerer"
// only gets the candidates if ICE is enabled and the remote peer supports ICE
tsdp_message_t* sdp_ro;
const tsdp_header_M_t* M;
int index;
if(!(sdp_ro = tsdp_message_parse(TSIP_MESSAGE_CONTENT_DATA(message), TSIP_MESSAGE_CONTENT_DATA_LENGTH(message)))){
TSK_DEBUG_ERROR("Failed to parse remote sdp message");
return tsk_false;
}
index = 0;
while((M = (const tsdp_header_M_t*)tsdp_message_get_headerAt(sdp_ro, tsdp_htype_M, index++))){
if(!tsdp_header_M_findA(M, "candidate")){
use_ice = tsk_false; // do not use ICE if at least on media is ICE-less (e.g. MSRP)
break;
}
use_ice = tsk_true; // only use ICE if there is a least one media line
}
new_media = tmedia_type_from_sdp(sdp_ro);
TSK_OBJECT_SAFE_FREE(sdp_ro);
}
else if(!message){
// we are the "offerer" -> use ICE only for audio or video medias (ignore ice for MSRP)
use_ice = (new_media & tmedia_audio) || (new_media & tmedia_video);
}
if(use_ice){
if(!self->ice.ctx_audio && !self->ice.ctx_video){ // First time
return tsk_true;
}
else{
if(self->ice.media_type != new_media){
return tsk_true;
}
return !tsip_dialog_invite_ice_got_local_candidates(self);
}
}
}
return tsk_false;
}
int tsip_dialog_invite_ice_init(tsip_dialog_invite_t *self)
{
tsk_fsm_set(TSIP_DIALOG_GET_FSM(self),
// Current -> (oINVITE) -> Current
TSK_FSM_ADD(tsk_fsm_state_current, _fsm_action_oINVITE, _fsm_cond_get_local_candidates, tsk_fsm_state_current, x0500_Current_2_Current_X_oINVITE, "x0500_Current_2_Current_X_oINVITE"),
// Current -> (iINVITE) -> Current
TSK_FSM_ADD(tsk_fsm_state_current, _fsm_action_iINVITE, _fsm_cond_get_local_candidates, tsk_fsm_state_current, x0500_Current_2_Current_X_iINVITE, "x0500_Current_2_Current_X_iINVITE")
);
return 0;
}
int tsip_dialog_invite_ice_timers_set(tsip_dialog_invite_t *self, int64_t timeout)
{
if(/*tnet_ice_ctx_is_active*/(self->ice.ctx_audio)){
tnet_ice_ctx_set_concheck_timeout(self->ice.ctx_audio, timeout);
}
if(/*tnet_ice_ctx_is_active*/(self->ice.ctx_video)){
tnet_ice_ctx_set_concheck_timeout(self->ice.ctx_video, timeout);
}
return 0;
}
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;
}
#if 1 // @deprecated
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);
#else
ret = tnet_ice_ctx_add_server(
self->ice.ctx_audio,
"udp", // "tcp", "tls", "ws", "wss"...
TSIP_DIALOG_GET_SS(self)->media.stun.hostname,
TSIP_DIALOG_GET_SS(self)->media.stun.port,
TSIP_DIALOG_GET_SS(self)->media.enable_iceturn,
TSIP_DIALOG_GET_SS(self)->media.enable_icestun,
TSIP_DIALOG_GET_SS(self)->media.stun.username,
TSIP_DIALOG_GET_SS(self)->media.stun.password);
#endif
ret = tnet_ice_ctx_set_turn_enabled(self->ice.ctx_audio, TSIP_DIALOG_GET_SS(self)->media.enable_iceturn);
ret = tnet_ice_ctx_set_stun_enabled(self->ice.ctx_audio, TSIP_DIALOG_GET_SS(self)->media.enable_icestun);
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;
}
#if 1 // @deprecated
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);
#else
ret = tnet_ice_ctx_add_server(
self->ice.ctx_video,
"udp", // "tcp", "tls", "ws", "wss"...
TSIP_DIALOG_GET_SS(self)->media.stun.hostname,
TSIP_DIALOG_GET_SS(self)->media.stun.port,
TSIP_DIALOG_GET_SS(self)->media.enable_iceturn,
TSIP_DIALOG_GET_SS(self)->media.enable_icestun,
TSIP_DIALOG_GET_SS(self)->media.stun.username,
TSIP_DIALOG_GET_SS(self)->media.stun.password);
#endif
ret = tnet_ice_ctx_set_turn_enabled(self->ice.ctx_video, TSIP_DIALOG_GET_SS(self)->media.enable_iceturn);
ret = tnet_ice_ctx_set_stun_enabled(self->ice.ctx_video, TSIP_DIALOG_GET_SS(self)->media.enable_icestun);
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_set_media_type(tsip_dialog_invite_t * self, tmedia_type_t _media_type)
{
if(self){
tmedia_type_t av_media_type = (_media_type & tmedia_audiovideo); // filter to keep audio and video only
// "none" comparison is used to exclude the "first call"
if(self->ice.media_type != tmedia_none && self->ice.media_type != av_media_type){
// cancels contexts associated to old medias
if(self->ice.ctx_audio && !(av_media_type & tmedia_audio)){
tnet_ice_ctx_cancel(self->ice.ctx_audio);
}
if(self->ice.ctx_video && !(av_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 && (!(av_media_type & tmedia_audio) && (self->ice.media_type & tmedia_audio))){
//tnet_ice_ctx_cancel(self->ice.ctx_audio);
}
if(self->ice.ctx_video && (!(av_media_type & tmedia_video) && (self->ice.media_type & tmedia_video))){
//tnet_ice_ctx_cancel(self->ice.ctx_video);
}
}
self->ice.media_type = av_media_type;
}
return 0;
}
static int tsip_dialog_invite_ice_start_ctx(tsip_dialog_invite_t * self)
{
int ret = 0;
if(self){
if((self->ice.media_type & tmedia_audio)){
if(self->ice.ctx_audio && (ret = tnet_ice_ctx_start(self->ice.ctx_audio)) != 0){
return ret;
}
}
if((self->ice.media_type & tmedia_video)){
if(self->ice.ctx_video && (ret = tnet_ice_ctx_start(self->ice.ctx_video)) != 0){
return ret;
}
}
}
return 0;
}
static int tsip_dialog_invite_ice_cancel_ctx(tsip_dialog_invite_t * self)
{
int ret = 0;
if(self){
if((self->ice.media_type & tmedia_audio)){
if(self->ice.ctx_audio && (ret = tnet_ice_ctx_cancel(self->ice.ctx_audio)) != 0){
return ret;
}
}
if((self->ice.media_type & tmedia_video)){
if(self->ice.ctx_video && (ret = tnet_ice_ctx_cancel(self->ice.ctx_video)) != 0){
return ret;
}
}
}
return 0;
}
static int tsip_dialog_invite_ice_set_sync_mode_ctx(tsip_dialog_invite_t * self, tsk_bool_t sync_mode)
{
int ret = 0;
if(self){
if((self->ice.media_type & tmedia_audio)){
if(self->ice.ctx_audio && (ret = tnet_ice_ctx_set_sync_mode(self->ice.ctx_audio, sync_mode)) != 0){
return ret;
}
}
if((self->ice.media_type & tmedia_video)){
if(self->ice.ctx_video && (ret = tnet_ice_ctx_set_sync_mode(self->ice.ctx_video, sync_mode)) != 0){
return ret;
}
}
}
return 0;
}
static int tsip_dialog_invite_ice_set_silent_mode_ctx(tsip_dialog_invite_t * self, tsk_bool_t silent_mode)
{
int ret = 0;
if(self){
if((self->ice.media_type & tmedia_audio)){
if(self->ice.ctx_audio && (ret = tnet_ice_ctx_set_silent_mode(self->ice.ctx_audio, silent_mode)) != 0){
return ret;
}
}
if((self->ice.media_type & tmedia_video)){
if(self->ice.ctx_video && (ret = tnet_ice_ctx_set_silent_mode(self->ice.ctx_video, silent_mode)) != 0){
return ret;
}
}
}
return 0;
}
tsk_bool_t tsip_dialog_invite_ice_is_enabled(const tsip_dialog_invite_t * self)
{
if(self){
return (self->supported.ice && (tnet_ice_ctx_is_active(self->ice.ctx_audio) || tnet_ice_ctx_is_active(self->ice.ctx_video)));
}
return tsk_false;
}
tsk_bool_t tsip_dialog_invite_ice_is_connected(const tsip_dialog_invite_t * self)
{
if(self){
return (!tnet_ice_ctx_is_active(self->ice.ctx_audio) || tnet_ice_ctx_is_connected(self->ice.ctx_audio))
&& (!tnet_ice_ctx_is_active(self->ice.ctx_video) || tnet_ice_ctx_is_connected(self->ice.ctx_video));
}
return tsk_false;
}
tsk_bool_t tsip_dialog_invite_ice_got_local_candidates(const tsip_dialog_invite_t * self)
{
if(self){
return (!tnet_ice_ctx_is_active(self->ice.ctx_audio) || tnet_ice_ctx_got_local_candidates(self->ice.ctx_audio))
&& (!tnet_ice_ctx_is_active(self->ice.ctx_video) || tnet_ice_ctx_got_local_candidates(self->ice.ctx_video));
}
return tsk_false;
}
int tsip_dialog_invite_ice_save_action(tsip_dialog_invite_t * self, tsk_fsm_action_id action_id, const tsip_action_t* action, const tsip_message_t* message)
{
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
// There are good reasons to ref() the action and message before safe_free()
// /!\ do not change
self->ice.last_action_id = action_id;
action = tsk_object_ref((tsk_object_t*)action);
TSK_OBJECT_SAFE_FREE(self->ice.last_action);
self->ice.last_action = (tsip_action_t*)action;
message = tsk_object_ref((tsk_object_t*)message);
TSK_OBJECT_SAFE_FREE(self->ice.last_message);
self->ice.last_message = (tsip_message_t*)message;
return 0;
}
int tsip_dialog_invite_ice_process_lo(tsip_dialog_invite_t * self, const tsdp_message_t* sdp_lo)
{
const tsdp_header_M_t* M;
const tsdp_header_A_t *A;
int ret = 0, i;
if(!self || !sdp_lo){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
// cancels all ICE contexts without candidates
// this happens if codecs negotiations mismatch for one media out of two or three
for(i = 0; i < 2; ++i){
struct tnet_ice_ctx_s *ctx = i == 0 ? self->ice.ctx_audio : self->ice.ctx_video;
const char* media = i == 0 ? "audio" : "video";
if(tnet_ice_ctx_is_active(ctx)){
tsk_bool_t cancel = tsk_true;
if((M = tsdp_message_find_media(sdp_lo, media))){
if((A = tsdp_header_M_findA(M, "candidate"))){
cancel = tsk_false;
}
}
if(cancel){
ret = tnet_ice_ctx_cancel(ctx);
}
}
}
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;
}
//--------------------------------------------------------
// == STATE MACHINE BEGIN ==
//--------------------------------------------------------
// Current -> (oINVITE) -> Current
static int x0500_Current_2_Current_X_oINVITE(va_list *app)
{
int ret;
tsip_dialog_invite_t *self;
const tsip_action_t* action;
const tsip_message_t *message;
tmedia_type_t media_type;
static const tsk_bool_t __force_restart_is_yes = tsk_true;
self = va_arg(*app, tsip_dialog_invite_t *);
message = va_arg(*app, const tsip_message_t *);
action = va_arg(*app, const tsip_action_t *);
media_type = (action && action->media.type != tmedia_none) ? action->media.type : TSIP_DIALOG_GET_SS(self)->media.type;
self->is_client = tsk_true;
tsip_dialog_invite_ice_save_action(self, _fsm_action_oINVITE, action, message);
// Cancel without notifying ("silent mode") and perform the operation right now ("sync mode")
tsip_dialog_invite_ice_cancel_silent_and_sync_ctx(self);
// create ICE context
if((ret = tsip_dialog_invite_ice_create_ctx(self, media_type))){
TSK_DEBUG_ERROR("tsip_dialog_invite_ice_create_ctx() failed");
return ret;
}
// For now disable ICE timers until we receive the 2xx
ret = tsip_dialog_invite_ice_timers_set(self, -1);
// Start ICE
ret = tsip_dialog_invite_ice_start_ctx(self);
// alert the user only if we are in initial state which means that it's not media update
if(TSIP_DIALOG(self)->state == tsip_initial){
TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connecting, "Dialog connecting");
}
return ret;
}
// Current -> (iINVITE) -> Current
static int x0500_Current_2_Current_X_iINVITE(va_list *app)
{
int ret;
tsip_dialog_invite_t *self;
const tsip_action_t* action;
const tsip_message_t *message;
self = va_arg(*app, tsip_dialog_invite_t *);
message = va_arg(*app, const tsip_message_t *);
action = va_arg(*app, const tsip_action_t *);
self->is_client = tsk_false;
ret = tsip_dialog_invite_ice_save_action(self, _fsm_action_iINVITE, action, message);
// Cancel without notifying ("silent mode") and perform the operation right now ("sync mode")
tsip_dialog_invite_ice_cancel_silent_and_sync_ctx(self);
// set remote candidates
if(TSIP_MESSAGE_HAS_CONTENT(message)){
if(tsk_striequals("application/sdp", TSIP_MESSAGE_CONTENT_TYPE(message))){
tsdp_message_t* sdp_ro;
if(!(sdp_ro = tsdp_message_parse(TSIP_MESSAGE_CONTENT_DATA(message), TSIP_MESSAGE_CONTENT_DATA_LENGTH(message)))){
TSK_DEBUG_ERROR("Failed to parse remote sdp message");
return -2;
}
// create ICE context
if((ret = tsip_dialog_invite_ice_create_ctx(self, tmedia_type_from_sdp(sdp_ro)))){
TSK_DEBUG_ERROR("tsip_dialog_invite_ice_create_ctx() failed");
return ret;
}
ret = tsip_dialog_invite_ice_process_ro(self, sdp_ro, tsk_true);
TSK_OBJECT_SAFE_FREE(sdp_ro);
}
else{
TSK_DEBUG_ERROR("[%s] content-type is not supportted", TSIP_MESSAGE_CONTENT_TYPE(message));
return -3;
}
}
// For now disable ICE timers until we send the 2xx and receive the ACK
ret = tsip_dialog_invite_ice_timers_set(self, -1);
// Start ICE
ret = tsip_dialog_invite_ice_start_ctx(self);
return ret;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// == STATE MACHINE END ==
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++
static int tsip_dialog_invite_ice_callback(const tnet_ice_event_t *e)
{
int ret = 0;
tsip_dialog_invite_t *dialog;
TSK_DEBUG_INFO("ICE callback: %s", e->phrase);
dialog = tsk_object_ref(TSK_OBJECT(e->userdata));
// Do not lock: caller is thread safe
switch(e->type){
case tnet_ice_event_type_gathering_completed:
case tnet_ice_event_type_conncheck_succeed:
case tnet_ice_event_type_conncheck_failed:
case tnet_ice_event_type_cancelled:
{
if(dialog->ice.last_action_id != tsk_fsm_state_none){
if(tsip_dialog_invite_ice_got_local_candidates(dialog)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(dialog), dialog->ice.last_action_id, dialog->ice.last_message, dialog->ice.last_action);
dialog->ice.last_action_id = tsk_fsm_state_none;
}
}
if(dialog->ice.start_smgr){
ret = tsip_dialog_invite_msession_start(dialog);
}
break;
}
// fatal errors which discard ICE process
case tnet_ice_event_type_gathering_host_candidates_failed:
case tnet_ice_event_type_gathering_reflexive_candidates_failed:
case tnet_ice_event_type_gathering_relay_candidates_failed:
{
if (dialog->ice.last_action_id != tsk_fsm_state_none) {
ret = tsip_dialog_fsm_act(TSIP_DIALOG(dialog), dialog->ice.last_action_id, dialog->ice.last_message, dialog->ice.last_action);
dialog->ice.last_action_id = tsk_fsm_state_none;
}
break;
}
// TURN session disconnected while we're in call
case tnet_ice_event_type_turn_connection_broken:
{
ret = tsip_dialog_fsm_act_2(TSIP_DIALOG(dialog), _fsm_action_oBYE);
break;
}
default: break;
}
TSK_OBJECT_SAFE_FREE(dialog);
return ret;
}
static int tsip_dialog_invite_ice_audio_callback(const tnet_ice_event_t *e)
{
return tsip_dialog_invite_ice_callback(e);
}
static int tsip_dialog_invite_ice_video_callback(const tnet_ice_event_t *e)
{
return tsip_dialog_invite_ice_callback(e);
} |