| // |
| // error_code.ipp |
| // ~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| // |
| |
| #ifndef ASIO_ERROR_CODE_IPP |
| #define ASIO_ERROR_CODE_IPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/push_options.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| #include <boost/config.hpp> |
| #include <cerrno> |
| #include <cstring> |
| #include "asio/detail/pop_options.hpp" |
| |
| #include "asio/error.hpp" |
| #include "asio/detail/local_free_on_block_exit.hpp" |
| #include "asio/detail/socket_types.hpp" |
| |
| namespace asio { |
| |
| inline std::string error_code::message() const |
| { |
| if (*this == error::already_open) |
| return "Already open."; |
| if (*this == error::not_found) |
| return "Not found."; |
| if (*this == error::fd_set_failure) |
| return "The descriptor does not fit into the select call's fd_set."; |
| if (category_ == error::get_ssl_category()) |
| return "SSL error."; |
| #if defined(BOOST_WINDOWS) || defined(__CYGWIN__) |
| value_type value = value_; |
| if (category() != error::get_system_category() && *this != error::eof) |
| return "asio error"; |
| if (*this == error::eof) |
| value = ERROR_HANDLE_EOF; |
| char* msg = 0; |
| DWORD length = ::FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |
| | FORMAT_MESSAGE_FROM_SYSTEM |
| | FORMAT_MESSAGE_IGNORE_INSERTS, 0, value, |
| MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char*)&msg, 0, 0); |
| detail::local_free_on_block_exit local_free_obj(msg); |
| if (length && msg[length - 1] == '\n') |
| msg[--length] = '\0'; |
| if (length && msg[length - 1] == '\r') |
| msg[--length] = '\0'; |
| if (length) |
| return msg; |
| else |
| return "asio error"; |
| #else // defined(BOOST_WINDOWS) |
| if (*this == error::eof) |
| return "End of file."; |
| if (*this == error::host_not_found) |
| return "Host not found (authoritative)."; |
| if (*this == error::host_not_found_try_again) |
| return "Host not found (non-authoritative), try again later."; |
| if (*this == error::no_recovery) |
| return "A non-recoverable error occurred during database lookup."; |
| if (*this == error::no_data) |
| return "The query is valid, but it does not have associated data."; |
| if (*this == error::not_found) |
| return "Element not found."; |
| #if !defined(__sun) |
| if (*this == error::operation_aborted) |
| return "Operation aborted."; |
| #endif // !defined(__sun) |
| if (*this == error::service_not_found) |
| return "Service not found."; |
| if (*this == error::socket_type_not_supported) |
| return "Socket type not supported."; |
| if (category() != error::get_system_category()) |
| return "asio error"; |
| #if defined(__sun) || defined(__QNX__) |
| using namespace std; |
| return strerror(value_); |
| #elif defined(__MACH__) && defined(__APPLE__) \ |
| || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__) \ |
| || defined(_AIX) || defined(__hpux) || defined(__osf__) |
| char buf[256] = ""; |
| strerror_r(value_, buf, sizeof(buf)); |
| return buf; |
| #else |
| char buf[256] = ""; |
| return strerror_r(value_, buf, sizeof(buf)); |
| #endif |
| #endif // defined(BOOST_WINDOWS) |
| } |
| |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_ERROR_CODE_IPP |