/* * Copyright 2003-2016 The Music Player Daemon Project * http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef MPD_SOCKET_ERROR_HXX #define MPD_SOCKET_ERROR_HXX #include "Compiler.h" #include "system/Error.hxx" #ifdef WIN32 #include typedef DWORD socket_error_t; #else #include typedef int socket_error_t; #endif gcc_pure static inline socket_error_t GetSocketError() { #ifdef WIN32 return WSAGetLastError(); #else return errno; #endif } gcc_const static inline bool IsSocketErrorAgain(socket_error_t code) { #ifdef WIN32 return code == WSAEINPROGRESS; #else return code == EAGAIN; #endif } gcc_const static inline bool IsSocketErrorInterruped(socket_error_t code) { #ifdef WIN32 return code == WSAEINTR; #else return code == EINTR; #endif } gcc_const static inline bool IsSocketErrorClosed(socket_error_t code) { #ifdef WIN32 return code == WSAECONNRESET; #else return code == EPIPE || code == ECONNRESET; #endif } /** * Helper class that formats a socket error message into a * human-readable string. On Windows, a buffer is necessary for this, * and this class hosts the buffer. */ class SocketErrorMessage { #ifdef WIN32 char msg[256]; #else const char *const msg; #endif public: #ifdef WIN32 explicit SocketErrorMessage(socket_error_t code=GetSocketError()); #else explicit SocketErrorMessage(socket_error_t code=GetSocketError()); #endif operator const char *() const { return msg; } }; gcc_const static inline std::system_error MakeSocketError(socket_error_t code, const char *msg) { #ifdef WIN32 return MakeLastError(code, msg); #else return MakeErrno(code, msg); #endif } gcc_pure static inline std::system_error MakeSocketError(const char *msg) { return MakeSocketError(GetSocketError(), msg); } #endif