godot/core/io/net_socket.h

/*************************************************************************/
/*  net_socket.h                                                         */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 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 NET_SOCKET_H
#define NET_SOCKET_H

#include "core/io/ip.h"
#include "core/reference.h"

class NetSocket : public Reference {
protected:
	static NetSocket *(*_create)();

public:
	static NetSocket *create();

	enum PollType {
		POLL_TYPE_IN,
		POLL_TYPE_OUT,
		POLL_TYPE_IN_OUT
	};

	enum Type {
		TYPE_NONE,
		TYPE_TCP,
		TYPE_UDP,
	};

	virtual Error open(Type p_type, IP::Type &ip_type) = 0;
	virtual void close() = 0;
	virtual Error bind(IP_Address p_addr, uint16_t p_port) = 0;
	virtual Error listen(int p_max_pending) = 0;
	virtual Error connect_to_host(IP_Address p_addr, uint16_t p_port) = 0;
	virtual Error poll(PollType p_type, int timeout) const = 0;
	virtual Error recv(uint8_t *p_buffer, int p_len, int &r_read) = 0;
	virtual Error recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IP_Address &r_ip, uint16_t &r_port, bool p_peek = false) = 0;
	virtual Error send(const uint8_t *p_buffer, int p_len, int &r_sent) = 0;
	virtual Error sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IP_Address p_ip, uint16_t p_port) = 0;
	virtual Ref<NetSocket> accept(IP_Address &r_ip, uint16_t &r_port) = 0;

	virtual bool is_open() const = 0;
	virtual int get_available_bytes() const = 0;

	virtual Error set_broadcasting_enabled(bool p_enabled) = 0; // Returns OK if the socket option has been set successfully.
	virtual void set_blocking_enabled(bool p_enabled) = 0;
	virtual void set_ipv6_only_enabled(bool p_enabled) = 0;
	virtual void set_tcp_no_delay_enabled(bool p_enabled) = 0;
	virtual void set_reuse_address_enabled(bool p_enabled) = 0;
	virtual Error join_multicast_group(const IP_Address &p_multi_address, String p_if_name) = 0;
	virtual Error leave_multicast_group(const IP_Address &p_multi_address, String p_if_name) = 0;
};

#endif // NET_SOCKET_H