Merge pull request #38 from Faless/refactor/signals

Refactor signals and obeserver, fixes answer creation.
This commit is contained in:
Fabio Alessandrelli
2021-07-09 16:24:35 +02:00
committed by GitHub
3 changed files with 90 additions and 87 deletions

View File

@@ -1,53 +0,0 @@
#include "WebRTCLibDataChannel.hpp"
#include "WebRTCLibPeerConnection.hpp"
using namespace godot_webrtc;
// CreateSessionObseerver
WebRTCLibPeerConnection::GodotCSDO::GodotCSDO(WebRTCLibPeerConnection *parent) {
this->parent = parent;
}
void WebRTCLibPeerConnection::GodotCSDO::OnSuccess(webrtc::SessionDescriptionInterface *desc) {
// serialize this offer and send it to the remote peer:
std::string sdp; // sdp = session description protocol
desc->ToString(&sdp);
parent->queue_signal("session_description_created", 2, desc->type().c_str(), sdp.c_str());
};
void WebRTCLibPeerConnection::GodotCSDO::OnFailure(webrtc::RTCError error){};
// SetSessionObseerver
WebRTCLibPeerConnection::GodotSSDO::GodotSSDO(WebRTCLibPeerConnection *parent) {
this->parent = parent;
}
void WebRTCLibPeerConnection::GodotSSDO::OnSuccess(){};
void WebRTCLibPeerConnection::GodotSSDO::OnFailure(webrtc::RTCError error){};
// PeerConnectionObserver
WebRTCLibPeerConnection::GodotPCO::GodotPCO(WebRTCLibPeerConnection *parent) {
this->parent = parent;
}
void WebRTCLibPeerConnection::GodotPCO::OnDataChannel(rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel) {
parent->queue_signal("data_channel_received", 1, WebRTCLibDataChannel::new_data_channel(data_channel));
}
void WebRTCLibPeerConnection::GodotPCO::OnIceCandidate(const webrtc::IceCandidateInterface *candidate) {
godot::Dictionary candidateSDP;
godot::String candidateSdpMidName = candidate->sdp_mid().c_str();
int candidateSdpMlineIndexName = candidate->sdp_mline_index();
std::string sdp;
candidate->ToString(&sdp);
godot::String candidateSdpName = sdp.c_str();
parent->queue_signal("ice_candidate_created", 3, candidateSdpMidName, candidateSdpMlineIndexName, candidateSdpName);
}
void WebRTCLibPeerConnection::GodotPCO::OnSignalingChange(webrtc::PeerConnectionInterface::SignalingState new_state) {}
void WebRTCLibPeerConnection::GodotPCO::OnAddStream(rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) {}
void WebRTCLibPeerConnection::GodotPCO::OnRemoveStream(rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) {}
void WebRTCLibPeerConnection::GodotPCO::OnRenegotiationNeeded() {}
void WebRTCLibPeerConnection::GodotPCO::OnIceConnectionChange(webrtc::PeerConnectionInterface::IceConnectionState new_state) {}
void WebRTCLibPeerConnection::GodotPCO::OnIceGatheringChange(webrtc::PeerConnectionInterface::IceGatheringState new_state) {}

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@@ -7,6 +7,33 @@ using namespace godot_webrtc;
std::unique_ptr<rtc::Thread> WebRTCLibPeerConnection::signaling_thread = nullptr;
// PeerConnectionObserver
void WebRTCLibPeerConnection::GodotPCO::OnIceCandidate(const webrtc::IceCandidateInterface *candidate) {
godot::Dictionary candidateSDP;
godot::String candidateSdpMidName = candidate->sdp_mid().c_str();
int candidateSdpMlineIndexName = candidate->sdp_mline_index();
std::string sdp;
candidate->ToString(&sdp);
godot::String candidateSdpName = sdp.c_str();
parent->queue_signal("ice_candidate_created", 3, candidateSdpMidName, candidateSdpMlineIndexName, candidateSdpName);
}
// SetSessionDescriptionObserver
void WebRTCLibPeerConnection::GodotSSDO::OnSuccess() {
if (make_offer) {
make_offer = false;
parent->peer_connection->CreateAnswer(parent->ptr_csdo, webrtc::PeerConnectionInterface::RTCOfferAnswerOptions());
}
}
// CreateSessionDescriptionObserver
void WebRTCLibPeerConnection::GodotCSDO::OnSuccess(webrtc::SessionDescriptionInterface *desc) {
// serialize this offer and send it to the remote peer:
std::string sdp;
desc->ToString(&sdp);
parent->queue_signal("session_description_created", 2, desc->type().c_str(), sdp.c_str());
}
void WebRTCLibPeerConnection::initialize_signaling() {
if (signaling_thread.get() == nullptr) {
signaling_thread = rtc::Thread::Create();
@@ -142,8 +169,10 @@ godot_error WebRTCLibPeerConnection::create_offer() {
godot_error WebRTCLibPeerConnection::set_remote_description(const char *type, const char *sdp) {
ERR_FAIL_COND_V(peer_connection.get() == nullptr, GODOT_ERR_UNCONFIGURED);
std::unique_ptr<webrtc::SessionDescriptionInterface> desc = _MAKE_DESC(type, sdp);
if (desc->GetType() == webrtc::SdpType::kOffer) {
ptr_ssdo->make_offer = true;
}
peer_connection->SetRemoteDescription(ptr_ssdo, desc.release());
peer_connection->CreateAnswer(ptr_csdo, webrtc::PeerConnectionInterface::RTCOfferAnswerOptions());
return GODOT_OK;
}
@@ -174,14 +203,12 @@ godot_error WebRTCLibPeerConnection::add_ice_candidate(const char *sdpMidName, i
godot_error WebRTCLibPeerConnection::poll() {
ERR_FAIL_COND_V(peer_connection.get() == nullptr, GODOT_ERR_UNCONFIGURED);
std::function<void()> signal;
while (!signal_queue.empty()) {
mutex_signal_queue->lock();
signal = signal_queue.front();
Signal signal = signal_queue.front();
signal_queue.pop();
mutex_signal_queue->unlock();
signal();
signal.emit(this);
}
return GODOT_OK;
}
@@ -244,15 +271,7 @@ WebRTCLibPeerConnection::~WebRTCLibPeerConnection() {
void WebRTCLibPeerConnection::queue_signal(godot::String p_name, int p_argc, const godot::Variant &p_arg1, const godot::Variant &p_arg2, const godot::Variant &p_arg3) {
mutex_signal_queue->lock();
signal_queue.push(
[this, p_name, p_argc, p_arg1, p_arg2, p_arg3] {
if (p_argc == 1) {
emit_signal(p_name, p_arg1);
} else if (p_argc == 2) {
emit_signal(p_name, p_arg1, p_arg2);
} else {
emit_signal(p_name, p_arg1, p_arg2, p_arg3);
}
});
const godot::Variant argv[3] = { p_arg1, p_arg2, p_arg3 };
signal_queue.push(Signal(p_name, p_argc, argv));
mutex_signal_queue->unlock();
}

View File

@@ -5,8 +5,7 @@
#include "api/peer_connection_interface.h" // interface for all things needed from WebRTC
#include "media/base/media_engine.h" // needed for CreateModularPeerConnectionFactory
#include <functional> // std::function
#include <mutex> // mutex @TODO replace std::mutex with Godot mutex
#include <mutex>
#include "net/WebRTCPeerConnectionNative.hpp"
@@ -41,9 +40,8 @@ public:
~WebRTCLibPeerConnection();
/* helper functions */
private:
void queue_signal(godot::String p_name, int p_argc, const godot::Variant &p_arg1 = godot::Variant(), const godot::Variant &p_arg2 = godot::Variant(), const godot::Variant &p_arg3 = godot::Variant());
// void queue_signal(godot::StringName p_name, Variant_ARG_LIST);
void queue_packet(uint8_t *, int);
/** PeerConnectionObserver callback functions **/
@@ -51,35 +49,74 @@ public:
public:
WebRTCLibPeerConnection *parent;
GodotPCO(WebRTCLibPeerConnection *parent);
void OnSignalingChange(webrtc::PeerConnectionInterface::SignalingState new_state) override;
void OnAddStream(rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override;
void OnRemoveStream(rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override;
void OnDataChannel(rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel) override;
void OnRenegotiationNeeded() override;
void OnIceConnectionChange(webrtc::PeerConnectionInterface::IceConnectionState new_state) override;
void OnIceGatheringChange(webrtc::PeerConnectionInterface::IceGatheringState new_state) override;
GodotPCO(WebRTCLibPeerConnection *p_parent) {
parent = p_parent;
}
void OnIceCandidate(const webrtc::IceCandidateInterface *candidate) override;
void OnSignalingChange(webrtc::PeerConnectionInterface::SignalingState new_state) override {}
void OnAddStream(rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override {}
void OnRemoveStream(rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override {}
void OnDataChannel(rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel) override {}
void OnRenegotiationNeeded() override {}
void OnIceConnectionChange(webrtc::PeerConnectionInterface::IceConnectionState new_state) override {}
void OnIceGatheringChange(webrtc::PeerConnectionInterface::IceGatheringState new_state) override {}
};
/** CreateSessionDescriptionObserver callback functions **/
class GodotCSDO : public webrtc::CreateSessionDescriptionObserver {
public:
WebRTCLibPeerConnection *parent;
WebRTCLibPeerConnection *parent = nullptr;
GodotCSDO(WebRTCLibPeerConnection *parent);
GodotCSDO(WebRTCLibPeerConnection *p_parent) {
parent = p_parent;
}
void OnSuccess(webrtc::SessionDescriptionInterface *desc) override;
void OnFailure(webrtc::RTCError error) override;
void OnFailure(webrtc::RTCError error) override {
ERR_PRINT(godot::String(error.message()));
}
};
/** SetSessionDescriptionObserver callback functions **/
class GodotSSDO : public webrtc::SetSessionDescriptionObserver {
public:
WebRTCLibPeerConnection *parent;
WebRTCLibPeerConnection *parent = nullptr;
bool make_offer = false;
GodotSSDO(WebRTCLibPeerConnection *parent);
GodotSSDO(WebRTCLibPeerConnection *p_parent) {
parent = p_parent;
}
void OnSuccess() override;
void OnFailure(webrtc::RTCError error) override;
void OnFailure(webrtc::RTCError error) override {
make_offer = false;
ERR_PRINT(godot::String(error.message()));
}
};
class Signal {
godot::String method;
godot::Variant argv[3];
int argc = 0;
public:
Signal(godot::String p_method, int p_argc, const godot::Variant *p_argv) {
method = p_method;
argc = p_argc;
for (int i = 0; i < argc; i++) {
argv[i] = p_argv[i];
}
}
void emit(godot::Object *p_object) {
if (argc == 0) {
p_object->emit_signal(method);
} else if (argc == 1) {
p_object->emit_signal(method, argv[0]);
} else if (argc == 2) {
p_object->emit_signal(method, argv[0], argv[1]);
} else if (argc == 3) {
p_object->emit_signal(method, argv[0], argv[1], argv[2]);
}
}
};
GodotPCO pco;
@@ -87,7 +124,7 @@ public:
rtc::scoped_refptr<GodotCSDO> ptr_csdo;
std::mutex *mutex_signal_queue = nullptr;
std::queue<std::function<void()> > signal_queue;
std::queue<Signal> signal_queue;
rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> pc_factory;
rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection;