initial commit, 4.5 stable

modules/websocket/websocket_multiplayer_peer.h

@@ -0,0 +1,140 @@
+/**************************************************************************/
+/*  websocket_multiplayer_peer.h                                          */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "websocket_peer.h"
+
+#include "core/io/tcp_server.h"
+#include "core/templates/list.h"
+#include "scene/main/multiplayer_peer.h"
+
+class WebSocketMultiplayerPeer : public MultiplayerPeer {
+	GDCLASS(WebSocketMultiplayerPeer, MultiplayerPeer);
+
+private:
+	Ref<WebSocketPeer> _create_peer();
+
+protected:
+	enum {
+		SYS_NONE = 0,
+		SYS_ADD = 1,
+		SYS_DEL = 2,
+		SYS_ID = 3,
+
+		PROTO_SIZE = 9
+	};
+
+	struct Packet {
+		int source = 0;
+		uint8_t *data = nullptr;
+		uint32_t size = 0;
+	};
+
+	struct PendingPeer {
+		uint64_t time = 0;
+		Ref<StreamPeerTCP> tcp;
+		Ref<StreamPeer> connection;
+		Ref<WebSocketPeer> ws;
+	};
+
+	uint64_t handshake_timeout = 3000;
+	Ref<WebSocketPeer> peer_config;
+	HashMap<int, PendingPeer> pending_peers;
+	Ref<TCPServer> tcp_server;
+	Ref<TLSOptions> tls_server_options;
+
+	ConnectionStatus connection_status = CONNECTION_DISCONNECTED;
+
+	List<Packet> incoming_packets;
+	HashMap<int, Ref<WebSocketPeer>> peers_map;
+	Packet current_packet;
+
+	int target_peer = 0;
+	int unique_id = 0;
+
+	static void _bind_methods();
+
+	void _poll_client();
+	void _poll_server();
+	void _clear();
+
+public:
+	/* MultiplayerPeer */
+	virtual void set_target_peer(int p_target_peer) override;
+	virtual int get_packet_peer() const override;
+	virtual int get_packet_channel() const override { return 0; }
+	virtual TransferMode get_packet_mode() const override { return TRANSFER_MODE_RELIABLE; }
+	virtual int get_unique_id() const override;
+	virtual bool is_server_relay_supported() const override { return true; }
+
+	virtual int get_max_packet_size() const override;
+	virtual bool is_server() const override;
+	virtual void poll() override;
+	virtual void close() override;
+	virtual void disconnect_peer(int p_peer_id, bool p_force = false) override;
+
+	virtual ConnectionStatus get_connection_status() const override;
+
+	/* PacketPeer */
+	virtual int get_available_packet_count() const override;
+	virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) override;
+	virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) override;
+
+	/* WebSocketPeer */
+	virtual Ref<WebSocketPeer> get_peer(int p_peer_id) const;
+
+	Error create_client(const String &p_url, Ref<TLSOptions> p_options);
+	Error create_server(int p_port, IPAddress p_bind_ip, Ref<TLSOptions> p_options);
+
+	void set_supported_protocols(const Vector<String> &p_protocols);
+	Vector<String> get_supported_protocols() const;
+
+	void set_handshake_headers(const Vector<String> &p_headers);
+	Vector<String> get_handshake_headers() const;
+
+	void set_outbound_buffer_size(int p_buffer_size);
+	int get_outbound_buffer_size() const;
+
+	void set_inbound_buffer_size(int p_buffer_size);
+	int get_inbound_buffer_size() const;
+
+	float get_handshake_timeout() const;
+	void set_handshake_timeout(float p_timeout);
+
+	IPAddress get_peer_address(int p_peer_id) const;
+	int get_peer_port(int p_peer_id) const;
+
+	void set_max_queued_packets(int p_max_queued_packets);
+	int get_max_queued_packets() const;
+
+	WebSocketMultiplayerPeer();
+	~WebSocketMultiplayerPeer();
+};