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[feat] Implementation for trickle ice

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This commit is contained in:
dijunkun
2024-07-26 17:34:31 +08:00
parent e73f9b3457
commit 15419cc313
5 changed files with 199 additions and 30 deletions
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85
src/transmission/ice_transmission.cpp
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@@ -167,25 +167,60 @@ int IceTransmission::InitIceTransmission(
LOG_INFO("state_change: {}", nice_component_state_to_string(state));
}
},
[](NiceAgent *agent, guint stream_id, guint component_id, const char *sdp,
gpointer user_ptr) { LOG_INFO("candadite: {}", sdp); },
[](NiceAgent *agent, guint stream_id, gpointer user_ptr) {
// non-trickle
[](NiceAgent *agent, guint stream_id, guint component_id,
gchar *foundation, gpointer user_ptr) {
if (user_ptr) {
IceTransmission *ice_transmission_obj =
static_cast<IceTransmission *>(user_ptr);
LOG_INFO("[{}] gather_done", ice_transmission_obj->user_id_);
if (ice_transmission_obj->offer_peer_) {
ice_transmission_obj->GetLocalSdp();
ice_transmission_obj->SendOffer();
GSList *cands =
nice_agent_get_local_candidates(agent, stream_id, component_id);
NiceCandidate *cand;
for (GSList *i = cands; i; i = i->next) {
cand = (NiceCandidate *)i->data;
if (g_strcmp0(cand->foundation, foundation) == 0) {
ice_transmission_obj->new_local_candidate_ =
nice_agent_generate_local_sdp(agent);
} else {
ice_transmission_obj->CreateAnswer();
ice_transmission_obj->SendAnswer();
json message = {
{"type", "offer_candidate"},
{"transmission_id", ice_transmission_obj->transmission_id_},
{"user_id", ice_transmission_obj->user_id_},
{"remote_user_id", ice_transmission_obj->remote_user_id_},
{"sdp", ice_transmission_obj->new_local_candidate_}};
LOG_INFO("Send new local candidate sdp:[{}]",
ice_transmission_obj->new_local_candidate_);
if (ice_transmission_obj->ice_ws_transport_) {
ice_transmission_obj->ice_ws_transport_->Send(message.dump());
}
}
}
g_slist_free_full(cands, (GDestroyNotify)nice_candidate_free);
}
},
[](NiceAgent *agent, guint stream_id, gpointer user_ptr) {
// non-trickle
// if (user_ptr) {
// IceTransmission *ice_transmission_obj =
// static_cast<IceTransmission *>(user_ptr);
// LOG_INFO("[{}] gather_done", ice_transmission_obj->user_id_);
// if (ice_transmission_obj->offer_peer_) {
// ice_transmission_obj->GetLocalSdp();
// ice_transmission_obj->SendOffer();
// } else {
// ice_transmission_obj->CreateAnswer();
// ice_transmission_obj->SendAnswer();
// }
// }
},
[](NiceAgent *agent, guint stream_id, guint component_id,
const char *lfoundation, const char *rfoundation, gpointer user_ptr) {
LOG_INFO("new selected pair: [{}] [{}]", lfoundation, rfoundation);
},
[](NiceAgent *agent, guint stream_id, guint component_id, guint size,
gchar *buffer, gpointer user_ptr) {
if (user_ptr) {
@@ -257,9 +292,37 @@ int IceTransmission::SetRemoteSdp(const std::string &remote_sdp) {
return 0;
}
int IceTransmission::AddCandidate(const std::string &candidate) {
ice_agent_->AddCandidate(candidate.c_str());
LOG_INFO("[{}] add candidate", user_id_);
return 0;
}
int IceTransmission::CreateOffer() {
LOG_INFO("[{}] create offer", user_id_);
GatherCandidates();
if (trickle_ice_) {
SendLocalCredentials();
}
return 0;
}
int IceTransmission::SendLocalCredentials() {
ice_agent_->GetLocalIceUfrag();
ice_agent_->GetLocalIcePassword();
json message = {{"type", "credentials"},
{"transmission_id", transmission_id_},
{"user_id", user_id_},
{"remote_user_id", remote_user_id_},
{"ufrag", ice_agent_->GetLocalIceUfrag()},
{"password", ice_agent_->GetLocalIcePassword()}};
LOG_INFO("Send credentials:\n{}", message.dump());
if (ice_ws_transport_) {
ice_ws_transport_->Send(message.dump());
}
return 0;
}