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https://github.com/luanti-org/luanti.git
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f960c3be31
Two new configuration options are added:
- "enable_ipv6" to enable/disable the overall use of IPv6
- "ipv6_server" to enable/disable the use of IPv6 sockets when running
a server (when "enable_ipv6" is enabled)
136 lines
3.1 KiB
C++
136 lines
3.1 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef SOCKET_HEADER
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#define SOCKET_HEADER
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#ifdef _WIN32
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0501
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#endif
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#include <windows.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#else
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#include <sys/socket.h>
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#include <netinet/in.h>
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#endif
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#include <ostream>
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#include <string.h>
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#include "irrlichttypes.h"
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#include "exceptions.h"
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extern bool socket_enable_debug_output;
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class SocketException : public BaseException
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{
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public:
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SocketException(const char *s):
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BaseException(s)
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{
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}
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};
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class ResolveError : public BaseException
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{
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public:
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ResolveError(const char *s):
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BaseException(s)
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{
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}
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};
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class SendFailedException : public BaseException
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{
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public:
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SendFailedException(const char *s):
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BaseException(s)
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{
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}
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};
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void sockets_init();
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void sockets_cleanup();
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class IPv6AddressBytes
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{
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public:
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u8 bytes[16];
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IPv6AddressBytes() { memset(bytes, 0, 16); }
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};
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class Address
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{
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public:
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Address();
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Address(u32 address, u16 port);
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Address(u8 a, u8 b, u8 c, u8 d, u16 port);
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Address(const IPv6AddressBytes * ipv6_bytes, u16 port);
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bool operator==(Address &address);
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bool operator!=(Address &address);
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void Resolve(const char *name);
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struct sockaddr_in getAddress() const;
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unsigned short getPort() const;
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void setAddress(u32 address);
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void setAddress(u8 a, u8 b, u8 c, u8 d);
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void setAddress(const IPv6AddressBytes * ipv6_bytes);
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struct sockaddr_in6 getAddress6() const;
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int getFamily() const;
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bool isIPv6() const;
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void setPort(unsigned short port);
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void print(std::ostream *s) const;
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std::string serializeString() const;
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private:
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unsigned int m_addr_family;
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union
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{
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struct sockaddr_in ipv4;
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struct sockaddr_in6 ipv6;
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} m_address;
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u16 m_port; // Port is separate from sockaddr structures
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};
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class UDPSocket
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{
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public:
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UDPSocket(bool ipv6);
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~UDPSocket();
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void Bind(unsigned short port);
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//void Close();
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//bool IsOpen();
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void Send(const Address & destination, const void * data, int size);
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// Returns -1 if there is no data
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int Receive(Address & sender, void * data, int size);
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int GetHandle(); // For debugging purposes only
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void setTimeoutMs(int timeout_ms);
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// Returns true if there is data, false if timeout occurred
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bool WaitData(int timeout_ms);
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private:
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int m_handle;
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int m_timeout_ms;
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int m_addr_family;
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};
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#endif
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