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_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;
}
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;
}
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;
}
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;
}
