Imported existing code

libraries/include/boost/asio/error.hpp

@@ -0,0 +1,442 @@
+//
+// error.hpp
+// ~~~~~~~~~
+//
+// 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 BOOST_ASIO_ERROR_HPP
+#define BOOST_ASIO_ERROR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+#include <boost/config.hpp>
+#include <boost/cerrno.hpp>
+#include <boost/system/error_code.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/detail/socket_types.hpp>
+
+#if defined(GENERATING_DOCUMENTATION)
+/// INTERNAL ONLY.
+# define BOOST_ASIO_NATIVE_ERROR(e) implementation_defined
+/// INTERNAL ONLY.
+# define BOOST_ASIO_SOCKET_ERROR(e) implementation_defined
+/// INTERNAL ONLY.
+# define BOOST_ASIO_NETDB_ERROR(e) implementation_defined
+/// INTERNAL ONLY.
+# define BOOST_ASIO_GETADDRINFO_ERROR(e) implementation_defined
+/// INTERNAL ONLY.
+# define BOOST_ASIO_WIN_OR_POSIX(e_win, e_posix) implementation_defined
+#elif defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+# define BOOST_ASIO_NATIVE_ERROR(e) e
+# define BOOST_ASIO_SOCKET_ERROR(e) WSA ## e
+# define BOOST_ASIO_NETDB_ERROR(e) WSA ## e
+# define BOOST_ASIO_GETADDRINFO_ERROR(e) WSA ## e
+# define BOOST_ASIO_WIN_OR_POSIX(e_win, e_posix) e_win
+#else
+# define BOOST_ASIO_NATIVE_ERROR(e) e
+# define BOOST_ASIO_SOCKET_ERROR(e) e
+# define BOOST_ASIO_NETDB_ERROR(e) e
+# define BOOST_ASIO_GETADDRINFO_ERROR(e) e
+# define BOOST_ASIO_WIN_OR_POSIX(e_win, e_posix) e_posix
+#endif
+
+namespace boost {
+namespace asio {
+namespace error {
+
+enum basic_errors
+{
+  /// Permission denied.
+  access_denied = BOOST_ASIO_SOCKET_ERROR(EACCES),
+
+  /// Address family not supported by protocol.
+  address_family_not_supported = BOOST_ASIO_SOCKET_ERROR(EAFNOSUPPORT),
+
+  /// Address already in use.
+  address_in_use = BOOST_ASIO_SOCKET_ERROR(EADDRINUSE),
+
+  /// Transport endpoint is already connected.
+  already_connected = BOOST_ASIO_SOCKET_ERROR(EISCONN),
+
+  /// Operation already in progress.
+  already_started = BOOST_ASIO_SOCKET_ERROR(EALREADY),
+
+  /// Broken pipe.
+  broken_pipe = BOOST_ASIO_WIN_OR_POSIX(
+      BOOST_ASIO_NATIVE_ERROR(ERROR_BROKEN_PIPE),
+      BOOST_ASIO_NATIVE_ERROR(EPIPE)),
+
+  /// A connection has been aborted.
+  connection_aborted = BOOST_ASIO_SOCKET_ERROR(ECONNABORTED),
+
+  /// Connection refused.
+  connection_refused = BOOST_ASIO_SOCKET_ERROR(ECONNREFUSED),
+
+  /// Connection reset by peer.
+  connection_reset = BOOST_ASIO_SOCKET_ERROR(ECONNRESET),
+
+  /// Bad file descriptor.
+  bad_descriptor = BOOST_ASIO_SOCKET_ERROR(EBADF),
+
+  /// Bad address.
+  fault = BOOST_ASIO_SOCKET_ERROR(EFAULT),
+
+  /// No route to host.
+  host_unreachable = BOOST_ASIO_SOCKET_ERROR(EHOSTUNREACH),
+
+  /// Operation now in progress.
+  in_progress = BOOST_ASIO_SOCKET_ERROR(EINPROGRESS),
+
+  /// Interrupted system call.
+  interrupted = BOOST_ASIO_SOCKET_ERROR(EINTR),
+
+  /// Invalid argument.
+  invalid_argument = BOOST_ASIO_SOCKET_ERROR(EINVAL),
+
+  /// Message too long.
+  message_size = BOOST_ASIO_SOCKET_ERROR(EMSGSIZE),
+
+  /// The name was too long.
+  name_too_long = BOOST_ASIO_SOCKET_ERROR(ENAMETOOLONG),
+
+  /// Network is down.
+  network_down = BOOST_ASIO_SOCKET_ERROR(ENETDOWN),
+
+  /// Network dropped connection on reset.
+  network_reset = BOOST_ASIO_SOCKET_ERROR(ENETRESET),
+
+  /// Network is unreachable.
+  network_unreachable = BOOST_ASIO_SOCKET_ERROR(ENETUNREACH),
+
+  /// Too many open files.
+  no_descriptors = BOOST_ASIO_SOCKET_ERROR(EMFILE),
+
+  /// No buffer space available.
+  no_buffer_space = BOOST_ASIO_SOCKET_ERROR(ENOBUFS),
+
+  /// Cannot allocate memory.
+  no_memory = BOOST_ASIO_WIN_OR_POSIX(
+      BOOST_ASIO_NATIVE_ERROR(ERROR_OUTOFMEMORY),
+      BOOST_ASIO_NATIVE_ERROR(ENOMEM)),
+
+  /// Operation not permitted.
+  no_permission = BOOST_ASIO_WIN_OR_POSIX(
+      BOOST_ASIO_NATIVE_ERROR(ERROR_ACCESS_DENIED),
+      BOOST_ASIO_NATIVE_ERROR(EPERM)),
+
+  /// Protocol not available.
+  no_protocol_option = BOOST_ASIO_SOCKET_ERROR(ENOPROTOOPT),
+
+  /// Transport endpoint is not connected.
+  not_connected = BOOST_ASIO_SOCKET_ERROR(ENOTCONN),
+
+  /// Socket operation on non-socket.
+  not_socket = BOOST_ASIO_SOCKET_ERROR(ENOTSOCK),
+
+  /// Operation cancelled.
+  operation_aborted = BOOST_ASIO_WIN_OR_POSIX(
+      BOOST_ASIO_NATIVE_ERROR(ERROR_OPERATION_ABORTED),
+      BOOST_ASIO_NATIVE_ERROR(ECANCELED)),
+
+  /// Operation not supported.
+  operation_not_supported = BOOST_ASIO_SOCKET_ERROR(EOPNOTSUPP),
+
+  /// Cannot send after transport endpoint shutdown.
+  shut_down = BOOST_ASIO_SOCKET_ERROR(ESHUTDOWN),
+
+  /// Connection timed out.
+  timed_out = BOOST_ASIO_SOCKET_ERROR(ETIMEDOUT),
+
+  /// Resource temporarily unavailable.
+  try_again = BOOST_ASIO_WIN_OR_POSIX(
+      BOOST_ASIO_NATIVE_ERROR(ERROR_RETRY),
+      BOOST_ASIO_NATIVE_ERROR(EAGAIN)),
+
+  /// The socket is marked non-blocking and the requested operation would block.
+  would_block = BOOST_ASIO_SOCKET_ERROR(EWOULDBLOCK)
+};
+
+enum netdb_errors
+{
+  /// Host not found (authoritative).
+  host_not_found = BOOST_ASIO_NETDB_ERROR(HOST_NOT_FOUND),
+
+  /// Host not found (non-authoritative).
+  host_not_found_try_again = BOOST_ASIO_NETDB_ERROR(TRY_AGAIN),
+
+  /// The query is valid but does not have associated address data.
+  no_data = BOOST_ASIO_NETDB_ERROR(NO_DATA),
+
+  /// A non-recoverable error occurred.
+  no_recovery = BOOST_ASIO_NETDB_ERROR(NO_RECOVERY)
+};
+
+enum addrinfo_errors
+{
+  /// The service is not supported for the given socket type.
+  service_not_found = BOOST_ASIO_WIN_OR_POSIX(
+      BOOST_ASIO_NATIVE_ERROR(WSATYPE_NOT_FOUND),
+      BOOST_ASIO_GETADDRINFO_ERROR(EAI_SERVICE)),
+
+  /// The socket type is not supported.
+  socket_type_not_supported = BOOST_ASIO_WIN_OR_POSIX(
+      BOOST_ASIO_NATIVE_ERROR(WSAESOCKTNOSUPPORT),
+      BOOST_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
+};
+
+enum ssl_errors
+{
+};
+
+inline const boost::system::error_category& get_system_category()
+{
+  return boost::system::get_system_category();
+}
+
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+namespace detail {
+
+class netdb_category : public boost::system::error_category
+{
+public:
+  const char* name() const
+  {
+    return "asio.netdb";
+  }
+
+  std::string message(int value) const
+  {
+    if (value == error::host_not_found)
+      return "Host not found (authoritative)";
+    if (value == error::host_not_found_try_again)
+      return "Host not found (non-authoritative), try again later";
+    if (value == error::no_data)
+      return "The query is valid, but it does not have associated data";
+    if (value == error::no_recovery)
+      return "A non-recoverable error occurred during database lookup";
+    return "asio.netdb error";
+  }
+};
+
+} // namespace detail
+
+inline const boost::system::error_category& get_netdb_category()
+{
+  static detail::netdb_category instance;
+  return instance;
+}
+
+namespace detail {
+
+class addrinfo_category : public boost::system::error_category
+{
+public:
+  const char* name() const
+  {
+    return "asio.addrinfo";
+  }
+
+  std::string message(int value) const
+  {
+    if (value == error::service_not_found)
+      return "Service not found";
+    if (value == error::socket_type_not_supported)
+      return "Socket type not supported";
+    return "asio.addrinfo error";
+  }
+};
+
+} // namespace detail
+
+inline const boost::system::error_category& get_addrinfo_category()
+{
+  static detail::addrinfo_category instance;
+  return instance;
+}
+
+#else // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+inline const boost::system::error_category& get_netdb_category()
+{
+  return get_system_category();
+}
+
+inline const boost::system::error_category& get_addrinfo_category()
+{
+  return get_system_category();
+}
+
+#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+namespace detail {
+
+class misc_category : public boost::system::error_category
+{
+public:
+  const char* name() const
+  {
+    return "asio.misc";
+  }
+
+  std::string message(int value) const
+  {
+    if (value == error::already_open)
+      return "Already open";
+    if (value == error::eof)
+      return "End of file";
+    if (value == error::not_found)
+      return "Element not found";
+    if (value == error::fd_set_failure)
+      return "The descriptor does not fit into the select call's fd_set";
+    return "asio.misc error";
+  }
+};
+
+} // namespace detail
+
+inline const boost::system::error_category& get_misc_category()
+{
+  static detail::misc_category instance;
+  return instance;
+}
+
+namespace detail {
+
+class ssl_category : public boost::system::error_category
+{
+public:
+  const char* name() const
+  {
+    return "asio.ssl";
+  }
+
+  std::string message(int) const
+  {
+    return "asio.ssl error";
+  }
+};
+
+} // namespace detail
+
+inline const boost::system::error_category& get_ssl_category()
+{
+  static detail::ssl_category instance;
+  return instance;
+}
+
+static const boost::system::error_category& system_category
+  = boost::asio::error::get_system_category();
+static const boost::system::error_category& netdb_category
+  = boost::asio::error::get_netdb_category();
+static const boost::system::error_category& addrinfo_category
+  = boost::asio::error::get_addrinfo_category();
+static const boost::system::error_category& misc_category
+  = boost::asio::error::get_misc_category();
+static const boost::system::error_category& ssl_category
+  = boost::asio::error::get_ssl_category();
+
+} // namespace error
+} // namespace asio
+
+namespace system {
+
+template<> struct is_error_code_enum<boost::asio::error::basic_errors>
+{
+  static const bool value = true;
+};
+
+template<> struct is_error_code_enum<boost::asio::error::netdb_errors>
+{
+  static const bool value = true;
+};
+
+template<> struct is_error_code_enum<boost::asio::error::addrinfo_errors>
+{
+  static const bool value = true;
+};
+
+template<> struct is_error_code_enum<boost::asio::error::misc_errors>
+{
+  static const bool value = true;
+};
+
+template<> struct is_error_code_enum<boost::asio::error::ssl_errors>
+{
+  static const bool value = true;
+};
+
+} // namespace system
+
+namespace asio {
+namespace error {
+
+inline boost::system::error_code make_error_code(basic_errors e)
+{
+  return boost::system::error_code(
+      static_cast<int>(e), get_system_category());
+}
+
+inline boost::system::error_code make_error_code(netdb_errors e)
+{
+  return boost::system::error_code(
+      static_cast<int>(e), get_netdb_category());
+}
+
+inline boost::system::error_code make_error_code(addrinfo_errors e)
+{
+  return boost::system::error_code(
+      static_cast<int>(e), get_addrinfo_category());
+}
+
+inline boost::system::error_code make_error_code(misc_errors e)
+{
+  return boost::system::error_code(
+      static_cast<int>(e), get_misc_category());
+}
+
+inline boost::system::error_code make_error_code(ssl_errors e)
+{
+  return boost::system::error_code(
+      static_cast<int>(e), get_ssl_category());
+}
+
+} // namespace error
+} // namespace asio
+} // namespace boost
+
+#undef BOOST_ASIO_NATIVE_ERROR
+#undef BOOST_ASIO_SOCKET_ERROR
+#undef BOOST_ASIO_NETDB_ERROR
+#undef BOOST_ASIO_GETADDRINFO_ERROR
+#undef BOOST_ASIO_WIN_OR_POSIX
+
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_ERROR_HPP