ceph/src/boost/boost/beast/websocket/impl/error.ipp

   1 //
   2 // Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // Official repository: https://github.com/boostorg/beast
   8 //
   9
  10 #ifndef BOOST_BEAST_WEBSOCKET_IMPL_ERROR_IPP
  11 #define BOOST_BEAST_WEBSOCKET_IMPL_ERROR_IPP
  12
  13 namespace boost {
  14 namespace beast {
  15 namespace websocket {
  16 namespace detail {
  17
  18 inline
  19 const char*
  20 error_codes::
  21 name() const noexcept
  22 {
  23     return "boost.beast.websocket";
  24 }
  25
  26 inline
  27 std::string
  28 error_codes::
  29 message(int ev) const
  30 {
  31     switch(static_cast<error>(ev))
  32     {
  33     default:
  34     case error::closed:                 return "The WebSocket stream was gracefully closed at both endpoints";
  35     case error::buffer_overflow:        return "The WebSocket operation caused a dynamic buffer overflow";
  36     case error::partial_deflate_block:  return "The WebSocket stream produced an incomplete deflate block";
  37     case error::message_too_big:        return "The WebSocket message exceeded the locally configured limit";
  38
  39     case error::bad_http_version:       return "The WebSocket handshake was not HTTP/1.1";
  40     case error::bad_method:             return "The WebSocket handshake method was not GET";
  41     case error::no_host:                return "The WebSocket handshake Host field is missing";
  42     case error::no_connection:          return "The WebSocket handshake Connection field is missing";
  43     case error::no_connection_upgrade:  return "The WebSocket handshake Connection field is missing the upgrade token";
  44     case error::no_upgrade:             return "The WebSocket handshake Upgrade field is missing";
  45     case error::no_upgrade_websocket:   return "The WebSocket handshake Upgrade field is missing the websocket token";
  46     case error::no_sec_key:             return "The WebSocket handshake Sec-WebSocket-Key field is missing";
  47     case error::bad_sec_key:            return "The WebSocket handshake Sec-WebSocket-Key field is invalid";
  48     case error::no_sec_version:         return "The WebSocket handshake Sec-WebSocket-Version field is missing";
  49     case error::bad_sec_version:        return "The WebSocket handshake Sec-WebSocket-Version field is invalid";
  50     case error::no_sec_accept:          return "The WebSocket handshake Sec-WebSocket-Accept field is missing";
  51     case error::bad_sec_accept:         return "The WebSocket handshake Sec-WebSocket-Accept field is invalid";
  52     case error::upgrade_declined:       return "The WebSocket handshake was declined by the remote peer";
  53
  54     case error::bad_opcode:             return "The WebSocket frame contained an illegal opcode";
  55     case error::bad_data_frame:         return "The WebSocket data frame was unexpected";
  56     case error::bad_continuation:       return "The WebSocket continuation frame was unexpected";
  57     case error::bad_reserved_bits:      return "The WebSocket frame contained illegal reserved bits";
  58     case error::bad_control_fragment:   return "The WebSocket control frame was fragmented";
  59     case error::bad_control_size:       return "The WebSocket control frame size was invalid";
  60     case error::bad_unmasked_frame:     return "The WebSocket frame was unmasked";
  61     case error::bad_masked_frame:       return "The WebSocket frame was masked";
  62     case error::bad_size:               return "The WebSocket frame size was not canonical";
  63     case error::bad_frame_payload:      return "The WebSocket frame payload was not valid utf8";
  64     case error::bad_close_code:         return "The WebSocket close frame reason code was invalid";
  65     case error::bad_close_size:         return "The WebSocket close frame payload size was invalid";
  66     case error::bad_close_payload:      return "The WebSocket close frame payload was not valid utf8";
  67     }
  68 }
  69
  70 inline
  71 error_condition
  72 error_codes::
  73 default_error_condition(int ev) const noexcept
  74 {
  75     switch(static_cast<error>(ev))
  76     {
  77     default:
  78     case error::closed:
  79     case error::buffer_overflow:
  80     case error::partial_deflate_block:
  81     case error::message_too_big:
  82         return {ev, *this};
  83
  84     case error::bad_http_version:
  85     case error::bad_method:
  86     case error::no_host:
  87     case error::no_connection:
  88     case error::no_connection_upgrade:
  89     case error::no_upgrade:
  90     case error::no_upgrade_websocket:
  91     case error::no_sec_key:
  92     case error::bad_sec_key:
  93     case error::no_sec_version:
  94     case error::bad_sec_version:
  95     case error::no_sec_accept:
  96     case error::bad_sec_accept:
  97     case error::upgrade_declined:
  98         return condition::handshake_failed;
  99
 100     case error::bad_opcode:
 101     case error::bad_data_frame:
 102     case error::bad_continuation:
 103     case error::bad_reserved_bits:
 104     case error::bad_control_fragment:
 105     case error::bad_control_size:
 106     case error::bad_unmasked_frame:
 107     case error::bad_masked_frame:
 108     case error::bad_size:
 109     case error::bad_frame_payload:
 110     case error::bad_close_code:
 111     case error::bad_close_size:
 112     case error::bad_close_payload:
 113         return condition::protocol_violation;
 114     }
 115 }
 116
 117 inline
 118 const char*
 119 error_conditions::
 120 name() const noexcept
 121 {
 122     return "boost.beast.websocket";
 123 }
 124
 125 inline
 126 std::string
 127 error_conditions::
 128 message(int cv) const
 129 {
 130     switch(static_cast<condition>(cv))
 131     {
 132     default:
 133     case condition::handshake_failed: return "The WebSocket handshake failed";
 134     case condition::protocol_violation: return "A WebSocket protocol violation occurred";
 135     }
 136 }
 137
 138 } // detail
 139
 140 inline
 141 error_code
 142 make_error_code(error e)
 143 {
 144     static detail::error_codes const cat{};
 145     return error_code{static_cast<
 146         std::underlying_type<error>::type>(e), cat};
 147 }
 148
 149 inline
 150 error_condition
 151 make_error_condition(condition c)
 152 {
 153     static detail::error_conditions const cat{};
 154     return error_condition{static_cast<
 155         std::underlying_type<condition>::type>(c), cat};
 156 }
 157
 158 } // websocket
 159 } // beast
 160 } // boost
 161
 162 #endif