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/*************************************************************************/
/* WebRTCLibDataChannel.hpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef WEBRTC_DATA_CHANNEL_H
#define WEBRTC_DATA_CHANNEL_H
#ifdef GDNATIVE_WEBRTC
#include <Godot.hpp> // Godot.hpp must go first, or windows builds breaks
#include "net/WebRTCDataChannelNative.hpp"
#define WebRTCDataChannelExtension WebRTCDataChannelNative
#if !defined(GDCLASS)
#define GDCLASS(arg1, arg2) GODOT_CLASS(arg1, arg2)
#endif
#else
#include <godot_cpp/classes/global_constants_binds.hpp>
#include <godot_cpp/classes/web_rtc_data_channel_extension.hpp>
#endif
#include <mutex>
#include <queue>
#include <utility>
#include "rtc/rtc.hpp"
namespace godot_webrtc {
class WebRTCLibDataChannel : public godot::WebRTCDataChannelExtension {
GDCLASS(WebRTCLibDataChannel, WebRTCDataChannelExtension);
private:
using QueuedPacket = std::pair<std::vector<uint8_t>, bool>;
std::mutex *mutex;
std::queue<QueuedPacket> packet_queue;
QueuedPacket current_packet;
std::shared_ptr<rtc::DataChannel> channel = nullptr;
WriteMode write_mode = WRITE_MODE_BINARY;
ChannelState channel_state = STATE_CONNECTING;
bool negotiated = false;
void queue_packet(const uint8_t *data, uint32_t size, bool p_is_string);
void bind_channel(std::shared_ptr<rtc::DataChannel> p_channel, bool p_negotiated);
protected:
static void _bind_methods() {}
public:
static WebRTCLibDataChannel *new_data_channel(std::shared_ptr<rtc::DataChannel> p_channel, bool p_negotiated);
/* PacketPeer */
virtual godot::Error _get_packet(const uint8_t **r_buffer, int32_t *r_len) override;
virtual godot::Error _put_packet(const uint8_t *p_buffer, int64_t p_len) override;
virtual int64_t _get_available_packet_count() const override;
virtual int64_t _get_max_packet_size() const override;
/* WebRTCDataChannel */
godot::Error _poll() override;
void _close() override;
void _set_write_mode(WriteMode p_mode) override;
WriteMode _get_write_mode() const override;
bool _was_string_packet() const override;
ChannelState _get_ready_state() const override;
godot::String _get_label() const override;
bool _is_ordered() const override;
int64_t _get_id() const override;
int64_t _get_max_packet_life_time() const override;
int64_t _get_max_retransmits() const override;
godot::String _get_protocol() const override;
bool _is_negotiated() const override;
int64_t _get_buffered_amount() const override;
WebRTCLibDataChannel();
~WebRTCLibDataChannel();
};
} // namespace godot_webrtc
#endif // WEBRTC_DATA_CHANNEL_H
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