/* * Copyright (C) 2012-2015 Max Kellermann * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef STATIC_SOCKET_ADDRESS_HXX #define STATIC_SOCKET_ADDRESS_HXX #include "SocketAddress.hxx" #include "Compiler.h" #include /** * An OO wrapper for struct sockaddr_storage. */ class StaticSocketAddress { public: typedef SocketAddress::size_type size_type; private: size_type size; struct sockaddr_storage address; public: StaticSocketAddress() = default; StaticSocketAddress &operator=(SocketAddress other) noexcept; operator SocketAddress() const { return SocketAddress(reinterpret_cast(&address), size); } struct sockaddr *GetAddress() { return reinterpret_cast(&address); } const struct sockaddr *GetAddress() const { return reinterpret_cast(&address); } constexpr size_type GetCapacity() const { return sizeof(address); } size_type GetSize() const { return size; } void SetSize(size_type _size) { assert(_size > 0); assert(size_t(_size) <= sizeof(address)); size = _size; } int GetFamily() const { return address.ss_family; } bool IsDefined() const { return GetFamily() != AF_UNSPEC; } void Clear() { address.ss_family = AF_UNSPEC; } gcc_pure bool operator==(SocketAddress other) const { return (SocketAddress)*this == other; } bool operator!=(SocketAddress &other) const { return !(*this == other); } }; #endif