virtualx-engine/modules/webrtc/webrtc_data_channel.h

/*************************************************************************/
/*  webrtc_data_channel.h                                                */
/*************************************************************************/
/*                       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

#include "core/io/packet_peer.h"

#define WRTC_IN_BUF "network/limits/webrtc/max_channel_in_buffer_kb"

class WebRTCDataChannel : public PacketPeer {
	GDCLASS(WebRTCDataChannel, PacketPeer);

public:
	enum WriteMode {
		WRITE_MODE_TEXT,
		WRITE_MODE_BINARY,
	};

	enum ChannelState {
		STATE_CONNECTING,
		STATE_OPEN,
		STATE_CLOSING,
		STATE_CLOSED
	};

protected:
	unsigned int _in_buffer_shift;

	static void _bind_methods();

public:
	virtual void set_write_mode(WriteMode mode) = 0;
	virtual WriteMode get_write_mode() const = 0;
	virtual bool was_string_packet() const = 0;

	virtual ChannelState get_ready_state() const = 0;
	virtual String get_label() const = 0;
	virtual bool is_ordered() const = 0;
	virtual int get_id() const = 0;
	virtual int get_max_packet_life_time() const = 0;
	virtual int get_max_retransmits() const = 0;
	virtual String get_protocol() const = 0;
	virtual bool is_negotiated() const = 0;

	virtual int get_buffered_amount() const = 0;

	virtual Error poll() = 0;
	virtual void close() = 0;

	WebRTCDataChannel();
	~WebRTCDataChannel();
};

VARIANT_ENUM_CAST(WebRTCDataChannel::WriteMode);
VARIANT_ENUM_CAST(WebRTCDataChannel::ChannelState);
#endif // WEBRTC_DATA_CHANNEL_H