Add methods to get gathering and signaling state.

Author: Faless

src/WebRTCLibPeerConnection.cpp

@@ -130,6 +130,42 @@ WebRTCPeerConnection::ConnectionState WebRTCLibPeerConnection::_get_connection_s
 	}
 }
 
+WebRTCLibPeerConnection::GatheringState WebRTCLibPeerConnection::_get_gathering_state() const {
+	ERR_FAIL_COND_V(peer_connection == nullptr, GATHERING_STATE_NEW);
+
+	rtc::PeerConnection::GatheringState state = peer_connection->gatheringState();
+	switch (state) {
+		case rtc::PeerConnection::GatheringState::New:
+			return GATHERING_STATE_NEW;
+		case rtc::PeerConnection::GatheringState::InProgress:
+			return GATHERING_STATE_GATHERING;
+		case rtc::PeerConnection::GatheringState::Complete:
+			return GATHERING_STATE_COMPLETE;
+		default:
+			return GATHERING_STATE_NEW;
+	}
+}
+
+WebRTCLibPeerConnection::SignalingState WebRTCLibPeerConnection::_get_signaling_state() const {
+	ERR_FAIL_COND_V(peer_connection == nullptr, SIGNALING_STATE_CLOSED);
+
+	rtc::PeerConnection::SignalingState state = peer_connection->signalingState();
+	switch (state) {
+		case rtc::PeerConnection::SignalingState::Stable:
+			return SIGNALING_STATE_STABLE;
+		case rtc::PeerConnection::SignalingState::HaveLocalOffer:
+			return SIGNALING_STATE_HAVE_LOCAL_OFFER;
+		case rtc::PeerConnection::SignalingState::HaveRemoteOffer:
+			return SIGNALING_STATE_HAVE_REMOTE_OFFER;
+		case rtc::PeerConnection::SignalingState::HaveLocalPranswer:
+			return SIGNALING_STATE_HAVE_LOCAL_PRANSWER;
+		case rtc::PeerConnection::SignalingState::HaveRemotePranswer:
+			return SIGNALING_STATE_HAVE_REMOTE_PRANSWER;
+		default:
+			return SIGNALING_STATE_CLOSED;
+	}
+}
+
 Error WebRTCLibPeerConnection::_initialize(const Dictionary &p_config) {
 	rtc::Configuration config = {};
 	if (p_config.has("iceServers") && p_config["iceServers"].get_type() == Variant::ARRAY) {

src/WebRTCLibPeerConnection.hpp

@@ -73,6 +73,8 @@ class WebRTCLibPeerConnection : public godot::WebRTCPeerConnectionExtension {
 	void _init();
 
 	ConnectionState _get_connection_state() const override;
+	GatheringState _get_gathering_state() const override;
+	SignalingState _get_signaling_state() const override;
 
 	godot::Error _initialize(const godot::Dictionary &p_config) override;
 	godot::Object *_create_data_channel(const godot::String &p_channel, const godot::Dictionary &p_channel_config) override;

src/net/WebRTCPeerConnectionNative.hpp

@@ -75,13 +75,30 @@ class WebRTCPeerConnectionNative : public godot::WebRTCPeerConnectionGDNative {
 	};
 
 public:
+	enum GatheringState {
+		GATHERING_STATE_NEW,
+		GATHERING_STATE_GATHERING,
+		GATHERING_STATE_COMPLETE,
+	};
+
+	enum SignalingState {
+		SIGNALING_STATE_STABLE,
+		SIGNALING_STATE_HAVE_LOCAL_OFFER,
+		SIGNALING_STATE_HAVE_REMOTE_OFFER,
+		SIGNALING_STATE_HAVE_LOCAL_PRANSWER,
+		SIGNALING_STATE_HAVE_REMOTE_PRANSWER,
+		SIGNALING_STATE_CLOSED,
+	};
+
 	static void _register_methods();
 	static const godot_gdnative_ext_net_3_2_api_struct *_net_api;
 
 	void _init();
 	void register_interface(const godot_net_webrtc_peer_connection *interface);
 
 	virtual ConnectionState _get_connection_state() const = 0;
+	virtual GatheringState _get_gathering_state() const = 0;
+	virtual SignalingState _get_signaling_state() const = 0;
 
 	virtual godot::Error _initialize(const godot::Dictionary &p_config) = 0;
 	virtual godot::Object *_create_data_channel(const godot::String &p_channel, const godot::Dictionary &p_channel_config) = 0;