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							- //
 - // error.hpp
 - // ~~~~~~~~~
 - //
 - // Copyright (c) 2003-2019 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_HPP
 - #define ASIO_ERROR_HPP
 - 
 - #if defined(_MSC_VER) && (_MSC_VER >= 1200)
 - # pragma once
 - #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 - 
 - #include "asio/detail/config.hpp"
 - #include "asio/error_code.hpp"
 - #include "asio/system_error.hpp"
 - #if defined(ASIO_WINDOWS) \
 -   || defined(__CYGWIN__) \
 -   || defined(ASIO_WINDOWS_RUNTIME)
 - # include <winerror.h>
 - #else
 - # include <cerrno>
 - # include <netdb.h>
 - #endif
 - 
 - #if defined(GENERATING_DOCUMENTATION)
 - /// INTERNAL ONLY.
 - # define ASIO_NATIVE_ERROR(e) implementation_defined
 - /// INTERNAL ONLY.
 - # define ASIO_SOCKET_ERROR(e) implementation_defined
 - /// INTERNAL ONLY.
 - # define ASIO_NETDB_ERROR(e) implementation_defined
 - /// INTERNAL ONLY.
 - # define ASIO_GETADDRINFO_ERROR(e) implementation_defined
 - /// INTERNAL ONLY.
 - # define ASIO_WIN_OR_POSIX(e_win, e_posix) implementation_defined
 - #elif defined(ASIO_WINDOWS_RUNTIME)
 - # define ASIO_NATIVE_ERROR(e) __HRESULT_FROM_WIN32(e)
 - # define ASIO_SOCKET_ERROR(e) __HRESULT_FROM_WIN32(WSA ## e)
 - # define ASIO_NETDB_ERROR(e) __HRESULT_FROM_WIN32(WSA ## e)
 - # define ASIO_GETADDRINFO_ERROR(e) __HRESULT_FROM_WIN32(WSA ## e)
 - # define ASIO_WIN_OR_POSIX(e_win, e_posix) e_win
 - #elif defined(ASIO_WINDOWS) || defined(__CYGWIN__)
 - # define ASIO_NATIVE_ERROR(e) e
 - # define ASIO_SOCKET_ERROR(e) WSA ## e
 - # define ASIO_NETDB_ERROR(e) WSA ## e
 - # define ASIO_GETADDRINFO_ERROR(e) WSA ## e
 - # define ASIO_WIN_OR_POSIX(e_win, e_posix) e_win
 - #else
 - # define ASIO_NATIVE_ERROR(e) e
 - # define ASIO_SOCKET_ERROR(e) e
 - # define ASIO_NETDB_ERROR(e) e
 - # define ASIO_GETADDRINFO_ERROR(e) e
 - # define ASIO_WIN_OR_POSIX(e_win, e_posix) e_posix
 - #endif
 - 
 - #include "asio/detail/push_options.hpp"
 - 
 - namespace asio {
 - namespace error {
 - 
 - enum basic_errors
 - {
 -   /// Permission denied.
 -   access_denied = ASIO_SOCKET_ERROR(EACCES),
 - 
 -   /// Address family not supported by protocol.
 -   address_family_not_supported = ASIO_SOCKET_ERROR(EAFNOSUPPORT),
 - 
 -   /// Address already in use.
 -   address_in_use = ASIO_SOCKET_ERROR(EADDRINUSE),
 - 
 -   /// Transport endpoint is already connected.
 -   already_connected = ASIO_SOCKET_ERROR(EISCONN),
 - 
 -   /// Operation already in progress.
 -   already_started = ASIO_SOCKET_ERROR(EALREADY),
 - 
 -   /// Broken pipe.
 -   broken_pipe = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(ERROR_BROKEN_PIPE),
 -       ASIO_NATIVE_ERROR(EPIPE)),
 - 
 -   /// A connection has been aborted.
 -   connection_aborted = ASIO_SOCKET_ERROR(ECONNABORTED),
 - 
 -   /// Connection refused.
 -   connection_refused = ASIO_SOCKET_ERROR(ECONNREFUSED),
 - 
 -   /// Connection reset by peer.
 -   connection_reset = ASIO_SOCKET_ERROR(ECONNRESET),
 - 
 -   /// Bad file descriptor.
 -   bad_descriptor = ASIO_SOCKET_ERROR(EBADF),
 - 
 -   /// Bad address.
 -   fault = ASIO_SOCKET_ERROR(EFAULT),
 - 
 -   /// No route to host.
 -   host_unreachable = ASIO_SOCKET_ERROR(EHOSTUNREACH),
 - 
 -   /// Operation now in progress.
 -   in_progress = ASIO_SOCKET_ERROR(EINPROGRESS),
 - 
 -   /// Interrupted system call.
 -   interrupted = ASIO_SOCKET_ERROR(EINTR),
 - 
 -   /// Invalid argument.
 -   invalid_argument = ASIO_SOCKET_ERROR(EINVAL),
 - 
 -   /// Message too long.
 -   message_size = ASIO_SOCKET_ERROR(EMSGSIZE),
 - 
 -   /// The name was too long.
 -   name_too_long = ASIO_SOCKET_ERROR(ENAMETOOLONG),
 - 
 -   /// Network is down.
 -   network_down = ASIO_SOCKET_ERROR(ENETDOWN),
 - 
 -   /// Network dropped connection on reset.
 -   network_reset = ASIO_SOCKET_ERROR(ENETRESET),
 - 
 -   /// Network is unreachable.
 -   network_unreachable = ASIO_SOCKET_ERROR(ENETUNREACH),
 - 
 -   /// Too many open files.
 -   no_descriptors = ASIO_SOCKET_ERROR(EMFILE),
 - 
 -   /// No buffer space available.
 -   no_buffer_space = ASIO_SOCKET_ERROR(ENOBUFS),
 - 
 -   /// Cannot allocate memory.
 -   no_memory = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(ERROR_OUTOFMEMORY),
 -       ASIO_NATIVE_ERROR(ENOMEM)),
 - 
 -   /// Operation not permitted.
 -   no_permission = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(ERROR_ACCESS_DENIED),
 -       ASIO_NATIVE_ERROR(EPERM)),
 - 
 -   /// Protocol not available.
 -   no_protocol_option = ASIO_SOCKET_ERROR(ENOPROTOOPT),
 - 
 -   /// No such device.
 -   no_such_device = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(ERROR_BAD_UNIT),
 -       ASIO_NATIVE_ERROR(ENODEV)),
 - 
 -   /// Transport endpoint is not connected.
 -   not_connected = ASIO_SOCKET_ERROR(ENOTCONN),
 - 
 -   /// Socket operation on non-socket.
 -   not_socket = ASIO_SOCKET_ERROR(ENOTSOCK),
 - 
 -   /// Operation cancelled.
 -   operation_aborted = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(ERROR_OPERATION_ABORTED),
 -       ASIO_NATIVE_ERROR(ECANCELED)),
 - 
 -   /// Operation not supported.
 -   operation_not_supported = ASIO_SOCKET_ERROR(EOPNOTSUPP),
 - 
 -   /// Cannot send after transport endpoint shutdown.
 -   shut_down = ASIO_SOCKET_ERROR(ESHUTDOWN),
 - 
 -   /// Connection timed out.
 -   timed_out = ASIO_SOCKET_ERROR(ETIMEDOUT),
 - 
 -   /// Resource temporarily unavailable.
 -   try_again = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(ERROR_RETRY),
 -       ASIO_NATIVE_ERROR(EAGAIN)),
 - 
 -   /// The socket is marked non-blocking and the requested operation would block.
 -   would_block = ASIO_SOCKET_ERROR(EWOULDBLOCK)
 - };
 - 
 - enum netdb_errors
 - {
 -   /// Host not found (authoritative).
 -   host_not_found = ASIO_NETDB_ERROR(HOST_NOT_FOUND),
 - 
 -   /// Host not found (non-authoritative).
 -   host_not_found_try_again = ASIO_NETDB_ERROR(TRY_AGAIN),
 - 
 -   /// The query is valid but does not have associated address data.
 -   no_data = ASIO_NETDB_ERROR(NO_DATA),
 - 
 -   /// A non-recoverable error occurred.
 -   no_recovery = ASIO_NETDB_ERROR(NO_RECOVERY)
 - };
 - 
 - enum addrinfo_errors
 - {
 -   /// The service is not supported for the given socket type.
 -   service_not_found = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(WSATYPE_NOT_FOUND),
 -       ASIO_GETADDRINFO_ERROR(EAI_SERVICE)),
 - 
 -   /// The socket type is not supported.
 -   socket_type_not_supported = ASIO_WIN_OR_POSIX(
 -       ASIO_NATIVE_ERROR(WSAESOCKTNOSUPPORT),
 -       ASIO_GETADDRINFO_ERROR(EAI_SOCKTYPE))
 - };
 - 
 - enum misc_errors
 - {
 -   /// Already open.
 -   already_open = 1,
 - 
 -   /// End of file or stream.
 -   eof,
 - 
 -   /// Element not found.
 -   not_found,
 - 
 -   /// The descriptor cannot fit into the select system call's fd_set.
 -   fd_set_failure
 - };
 - 
 - inline const asio::error_category& get_system_category()
 - {
 -   return asio::system_category();
 - }
 - 
 - #if !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
 - 
 - extern ASIO_DECL
 - const asio::error_category& get_netdb_category();
 - 
 - extern ASIO_DECL
 - const asio::error_category& get_addrinfo_category();
 - 
 - #else // !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
 - 
 - inline const asio::error_category& get_netdb_category()
 - {
 -   return get_system_category();
 - }
 - 
 - inline const asio::error_category& get_addrinfo_category()
 - {
 -   return get_system_category();
 - }
 - 
 - #endif // !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
 - 
 - extern ASIO_DECL
 - const asio::error_category& get_misc_category();
 - 
 - static const asio::error_category&
 -   system_category ASIO_UNUSED_VARIABLE
 -   = asio::error::get_system_category();
 - static const asio::error_category&
 -   netdb_category ASIO_UNUSED_VARIABLE
 -   = asio::error::get_netdb_category();
 - static const asio::error_category&
 -   addrinfo_category ASIO_UNUSED_VARIABLE
 -   = asio::error::get_addrinfo_category();
 - static const asio::error_category&
 -   misc_category ASIO_UNUSED_VARIABLE
 -   = asio::error::get_misc_category();
 - 
 - } // namespace error
 - } // namespace asio
 - 
 - #if defined(ASIO_HAS_STD_SYSTEM_ERROR)
 - namespace std {
 - 
 - template<> struct is_error_code_enum<asio::error::basic_errors>
 - {
 -   static const bool value = true;
 - };
 - 
 - template<> struct is_error_code_enum<asio::error::netdb_errors>
 - {
 -   static const bool value = true;
 - };
 - 
 - template<> struct is_error_code_enum<asio::error::addrinfo_errors>
 - {
 -   static const bool value = true;
 - };
 - 
 - template<> struct is_error_code_enum<asio::error::misc_errors>
 - {
 -   static const bool value = true;
 - };
 - 
 - } // namespace std
 - #endif // defined(ASIO_HAS_STD_SYSTEM_ERROR)
 - 
 - namespace asio {
 - namespace error {
 - 
 - inline asio::error_code make_error_code(basic_errors e)
 - {
 -   return asio::error_code(
 -       static_cast<int>(e), get_system_category());
 - }
 - 
 - inline asio::error_code make_error_code(netdb_errors e)
 - {
 -   return asio::error_code(
 -       static_cast<int>(e), get_netdb_category());
 - }
 - 
 - inline asio::error_code make_error_code(addrinfo_errors e)
 - {
 -   return asio::error_code(
 -       static_cast<int>(e), get_addrinfo_category());
 - }
 - 
 - inline asio::error_code make_error_code(misc_errors e)
 - {
 -   return asio::error_code(
 -       static_cast<int>(e), get_misc_category());
 - }
 - 
 - } // namespace error
 - namespace stream_errc {
 -   // Simulates the proposed stream_errc scoped enum.
 -   using error::eof;
 -   using error::not_found;
 - } // namespace stream_errc
 - namespace socket_errc {
 -   // Simulates the proposed socket_errc scoped enum.
 -   using error::already_open;
 -   using error::not_found;
 - } // namespace socket_errc
 - namespace resolver_errc {
 -   // Simulates the proposed resolver_errc scoped enum.
 -   using error::host_not_found;
 -   const error::netdb_errors try_again = error::host_not_found_try_again;
 -   using error::service_not_found;
 - } // namespace resolver_errc
 - } // namespace asio
 - 
 - #include "asio/detail/pop_options.hpp"
 - 
 - #undef ASIO_NATIVE_ERROR
 - #undef ASIO_SOCKET_ERROR
 - #undef ASIO_NETDB_ERROR
 - #undef ASIO_GETADDRINFO_ERROR
 - #undef ASIO_WIN_OR_POSIX
 - 
 - #if defined(ASIO_HEADER_ONLY)
 - # include "asio/impl/error.ipp"
 - #endif // defined(ASIO_HEADER_ONLY)
 - 
 - #endif // ASIO_ERROR_HPP
 
 
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