mirror of https://github.com/minetest/minetest.git
89 lines
2.5 KiB
C++
89 lines
2.5 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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#pragma once
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#ifdef _WIN32
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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 <netinet/in.h>
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#include <sys/socket.h>
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#endif
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#include <ostream>
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#include <cstring>
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#include "irrlichttypes.h"
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#include "networkexceptions.h"
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struct IPv6AddressBytes
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{
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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==(const Address &address) const;
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bool operator!=(const Address &address) const { return !(*this == address); }
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int getFamily() const { return m_addr_family; }
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bool isValid() const { return m_addr_family != 0; }
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bool isIPv6() const { return m_addr_family == AF_INET6; }
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struct in_addr getAddress() const { return m_address.ipv4; }
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struct in6_addr getAddress6() const { return m_address.ipv6; }
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u16 getPort() const { return m_port; }
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void print(std::ostream &s) const;
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std::string serializeString() const;
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// Is this an address that binds to all interfaces (like INADDR_ANY)?
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bool isAny() const;
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// Is this an address referring to the local host?
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bool isLocalhost() const;
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// `name`: hostname or numeric IP
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// `fallback`: fallback IP to try gets written here
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// any empty name resets the IP to the "any address"
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// may throw ResolveError (address is unchanged in this case)
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void Resolve(const char *name, Address *fallback = nullptr);
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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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void setPort(u16 port);
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private:
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unsigned short m_addr_family = 0;
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union
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{
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struct in_addr ipv4;
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struct in6_addr ipv6;
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} m_address;
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// port is separate from in_addr structures
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u16 m_port = 0;
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};
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