socket.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
#pragma once
 
#include <ostream>
#include <cstring>
#include "address.h"
#include "irrlichttypes.h"
#include "networkexceptions.h"
 
void sockets_init();
void sockets_cleanup();
 
class UDPSocket
{
public:
        UDPSocket() = default;
        UDPSocket(bool ipv6); // calls init()
        ~UDPSocket();
        bool init(bool ipv6, bool noExceptions = false);
 
        void Bind(Address addr);
 
        void Send(const Address &destination, const void *data, int size);
        // Returns -1 if there is no data
        int Receive(Address &sender, void *data, int size);
        void setTimeoutMs(int timeout_ms);
        // Returns true if there is data, false if timeout occurred
        bool WaitData(int timeout_ms);
 
        // Debugging purposes only
        int GetHandle() const { return m_handle; };
 
private:
        int m_handle = -1;
        int m_timeout_ms = -1;
        unsigned short m_addr_family = 0;
};