Replace boost by the standalone asio library

1 files changed, 356 insertions, 0 deletions

diff --git a/lib/asio/error.hpp b/lib/asio/error.hpp
new file mode 100644
index 0000000..2be9bde
--- /dev/null
+++ b/lib/asio/error.hpp
@@ -0,0 +1,356 @@
+//
+// error.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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