104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
/*
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* Copyright (C) 2012-2015 Max Kellermann <max@duempel.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SOCKET_ADDRESS_HXX
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#define SOCKET_ADDRESS_HXX
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#include "Compiler.h"
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#include <cstddef>
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#ifdef WIN32
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#include <winsock2.h>
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#else
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#include <sys/socket.h>
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#endif
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/**
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* An OO wrapper for struct sockaddr.
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*/
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class SocketAddress {
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public:
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#ifdef WIN32
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typedef int size_type;
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#else
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typedef socklen_t size_type;
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#endif
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private:
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const struct sockaddr *address;
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size_type size;
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public:
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SocketAddress() = default;
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constexpr SocketAddress(std::nullptr_t):address(nullptr), size(0) {}
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constexpr SocketAddress(const struct sockaddr *_address,
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size_type _size)
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:address(_address), size(_size) {}
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static constexpr SocketAddress Null() {
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return nullptr;
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}
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constexpr bool IsNull() const {
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return address == nullptr;
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}
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const struct sockaddr *GetAddress() const {
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return address;
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}
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constexpr size_type GetSize() const {
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return size;
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}
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constexpr int GetFamily() const {
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return address->sa_family;
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}
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/**
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* Does the object have a well-defined address? Check !IsNull()
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* before calling this method.
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*/
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bool IsDefined() const {
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return GetFamily() != AF_UNSPEC;
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}
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gcc_pure
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bool operator==(const SocketAddress other) const;
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bool operator!=(const SocketAddress other) const {
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return !(*this == other);
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}
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};
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#endif
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