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#ifndef WEBRTC_PEER_H
#define WEBRTC_PEER_H
#include "api/peerconnectioninterface.h" // interface for all things needed from WebRTC
#include "media/base/mediaengine.h" // needed for CreateModularPeerConnectionFactory
#ifdef interface
#pragma message("\n 'interface' is defined \n")
#undef interface
#endif // interface
#include <functional> // std::function
#include <mutex> // mutex @TODO replace std::mutex with Godot mutex
#include "net/WebRTCPeerNative.hpp"
#include <Godot.hpp>
namespace godot_webrtc {
class WebRTCPeer : public WebRTCPeerNative {
GODOT_CLASS(WebRTCPeer, WebRTCPeerNative);
public:
static void _register_methods();
void _init();
void set_write_mode(godot_int mode);
godot_int get_write_mode() const;
bool was_string_packet() const;
godot_int get_connection_state() const;
godot_error create_offer();
godot_error set_remote_description(const char *type, const char *sdp);
godot_error set_local_description(const char *type, const char *sdp);
godot_error add_ice_candidate(const char *sdpMidName, int sdpMlineIndexName, const char *sdpName);
godot_error poll();
/* WebRTCPeer */
virtual godot_error get_packet(const uint8_t **r_buffer, int &r_len);
virtual godot_error put_packet(const uint8_t *p_buffer, int p_len);
virtual godot_int get_available_packet_count() const;
virtual godot_int get_max_packet_size() const;
WebRTCPeer();
~WebRTCPeer();
/* helper functions */
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);
godot_error set_description(const char *type, const char *sdp, bool isLocal);
/** DataChannelObserver callback functions **/
class GodotDCO : public webrtc::DataChannelObserver {
public:
WebRTCPeer *parent;
GodotDCO(WebRTCPeer *parent);
void OnMessage(const webrtc::DataBuffer &buffer) override;
void OnStateChange() override; // UNUSED
void OnBufferedAmountChange(uint64_t previous_amount) override; // UNUSED
};
/** PeerConnectionObserver callback functions **/
class GodotPCO : public webrtc::PeerConnectionObserver {
public:
WebRTCPeer *parent;
GodotPCO(WebRTCPeer *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;
void OnIceCandidate(const webrtc::IceCandidateInterface *candidate) override;
};
/** CreateSessionDescriptionObserver callback functions **/
class GodotCSDO : public webrtc::CreateSessionDescriptionObserver {
public:
WebRTCPeer *parent;
GodotCSDO(WebRTCPeer *parent);
void OnSuccess(webrtc::SessionDescriptionInterface *desc) override;
void OnFailure(const std::string &error) override;
};
/** SetSessionDescriptionObserver callback functions **/
class GodotSSDO : public webrtc::SetSessionDescriptionObserver {
public:
WebRTCPeer *parent;
GodotSSDO(WebRTCPeer *parent);
void OnSuccess() override;
void OnFailure(const std::string &error) override;
};
GodotDCO dco;
GodotPCO pco;
rtc::scoped_refptr<GodotSSDO> ptr_ssdo;
rtc::scoped_refptr<GodotCSDO> ptr_csdo;
std::mutex *mutex_signal_queue;
std::mutex *mutex_packet_queue;
int packet_queue_size;
std::queue<uint8_t *> packet_queue;
std::queue<int> packet_sizes_queue;
std::queue<std::function<void()> > signal_queue;
rtc::Thread *signaling_thread;
rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> pc_factory;
rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection;
rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel;
};
} // namespace godot_webrtc
#endif // WEBRTC_PEER_H
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