ceph/src/crimson/net/Errors.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2017 Red Hat, Inc
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #pragma once
  16
  17 #include <system_error>
  18
  19 namespace crimson::net {
  20
  21 /// net error codes
  22 enum class error {
  23   success = 0,
  24   bad_connect_banner,
  25   bad_peer_address,
  26   negotiation_failure,
  27   read_eof,
  28   corrupted_message,
  29   protocol_aborted,
  30 };
  31
  32 /// net error category
  33 const std::error_category& net_category();
  34
  35 inline std::error_code make_error_code(error e)
  36 {
  37   return {static_cast<int>(e), net_category()};
  38 }
  39
  40 inline std::error_condition make_error_condition(error e)
  41 {
  42   return {static_cast<int>(e), net_category()};
  43 }
  44
  45 } // namespace crimson::net
  46
  47 namespace std {
  48
  49 /// enables implicit conversion to std::error_condition
  50 template <>
  51 struct is_error_condition_enum<crimson::net::error> : public true_type {};
  52
  53 } // namespace std