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Diffstat (limited to 'src/net/StaticSocketAddress.hxx')
-rw-r--r-- | src/net/StaticSocketAddress.hxx | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/net/StaticSocketAddress.hxx b/src/net/StaticSocketAddress.hxx new file mode 100644 index 000000000..c8cef9dfe --- /dev/null +++ b/src/net/StaticSocketAddress.hxx @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2012-2015 Max Kellermann <max@duempel.org> + * + * 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 <assert.h> + +/** + * 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); + + operator SocketAddress() const { + return SocketAddress(reinterpret_cast<const struct sockaddr *>(&address), + size); + } + + struct sockaddr *GetAddress() { + return reinterpret_cast<struct sockaddr *>(&address); + } + + const struct sockaddr *GetAddress() const { + return reinterpret_cast<const struct sockaddr *>(&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 |