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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#ifdef _WIN32
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#endif
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#include <ostream>
#include <string.h>
#include "irrlichttypes.h"
#include "exceptions.h"
extern bool socket_enable_debug_output;
class SocketException : public BaseException
{
public:
SocketException(const std::string &s):
BaseException(s)
{
}
};
class ResolveError : public BaseException
{
public:
ResolveError(const std::string &s):
BaseException(s)
{
}
};
class SendFailedException : public BaseException
{
public:
SendFailedException(const std::string &s):
BaseException(s)
{
}
};
void sockets_init();
void sockets_cleanup();
class IPv6AddressBytes
{
public:
u8 bytes[16];
IPv6AddressBytes() { memset(bytes, 0, 16); }
};
class Address
{
public:
Address();
Address(u32 address, u16 port);
Address(u8 a, u8 b, u8 c, u8 d, u16 port);
Address(const IPv6AddressBytes *ipv6_bytes, u16 port);
bool operator==(const Address &address);
bool operator!=(const Address &address);
// Resolve() may throw ResolveError (address is unchanged in this case)
void Resolve(const char *name);
struct sockaddr_in getAddress() const;
unsigned short getPort() const;
void setAddress(u32 address);
void setAddress(u8 a, u8 b, u8 c, u8 d);
void setAddress(const IPv6AddressBytes *ipv6_bytes);
struct sockaddr_in6 getAddress6() const;
int getFamily() const;
bool isIPv6() const;
bool isZero() const;
void setPort(unsigned short port);
void print(std::ostream *s) const;
std::string serializeString() const;
private:
unsigned int m_addr_family = 0;
union
{
struct sockaddr_in ipv4;
struct sockaddr_in6 ipv6;
} m_address;
u16 m_port = 0; // Port is separate from sockaddr structures
};
class UDPSocket
{
public:
UDPSocket() { }
UDPSocket(bool ipv6);
~UDPSocket();
void Bind(Address addr);
bool init(bool ipv6, bool noExceptions = false);
//void Close();
//bool IsOpen();
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);
int GetHandle(); // For debugging purposes only
void setTimeoutMs(int timeout_ms);
// Returns true if there is data, false if timeout occurred
bool WaitData(int timeout_ms);
private:
int m_handle;
int m_timeout_ms;
int m_addr_family;
};
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