...one of the most highly
regarded and expertly designed C++ library projects in the
world.
—
Herb Sutter
and
Andrei
Alexandrescu
,
C++
Coding Standards
// 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
)
// Official repository:
https://github.com/boostorg/beast
#ifndef BOOST_BEAST_WEBSOCKET_IMPL_ERROR_IPP
#define BOOST_BEAST_WEBSOCKET_IMPL_ERROR_IPP
#include <
boost/beast/websocket/error.hpp
>
namespace boost {
namespace beast {
namespace websocket {
namespace detail {
class error_codes : public error_category
public:
error_codes() : error_category(0x065d7edd7687edafu ) {}
const char*
name() const noexcept override
return "boost.beast.websocket";
std::string
message(int ev) const override
switch(static_cast<error>(ev))
default:
case error::closed: return "The WebSocket stream was gracefully closed at both endpoints";
case error::buffer_overflow: return "The WebSocket operation caused a dynamic buffer overflow";
case error::partial_deflate_block: return "The WebSocket stream produced an incomplete deflate block";
case error::message_too_big: return "The WebSocket message exceeded the locally configured limit";
case error::bad_http_version: return "The WebSocket handshake was not HTTP/1.1";
case error::bad_method: return "The WebSocket handshake method was not GET";
case error::no_host: return "The WebSocket handshake Host field is missing";
case error::no_connection: return "The WebSocket handshake Connection field is missing";
case error::no_connection_upgrade: return "The WebSocket handshake Connection field is missing the upgrade token";
case error::no_upgrade: return "The WebSocket handshake Upgrade field is missing";
case error::no_upgrade_websocket: return "The WebSocket handshake Upgrade field is missing the websocket token";
case error::no_sec_key: return "The WebSocket handshake Sec-WebSocket-Key field is missing";
case error::bad_sec_key: return "The WebSocket handshake Sec-WebSocket-Key field is invalid";
case error::no_sec_version: return "The WebSocket handshake Sec-WebSocket-Version field is missing";
case error::bad_sec_version: return "The WebSocket handshake Sec-WebSocket-Version field is invalid";
case error::no_sec_accept: return "The WebSocket handshake Sec-WebSocket-Accept field is missing";
case error::bad_sec_accept: return "The WebSocket handshake Sec-WebSocket-Accept field is invalid";
case error::upgrade_declined: return "The WebSocket handshake was declined by the remote peer";
case error::bad_opcode: return "The WebSocket frame contained an illegal opcode";
case error::bad_data_frame: return "The WebSocket data frame was unexpected";
case error::bad_continuation: return "The WebSocket continuation frame was unexpected";
case error::bad_reserved_bits: return "The WebSocket frame contained illegal reserved bits";
case error::bad_control_fragment: return "The WebSocket control frame was fragmented";
case error::bad_control_size: return "The WebSocket control frame size was invalid";
case error::bad_unmasked_frame: return "The WebSocket frame was unmasked";
case error::bad_masked_frame: return "The WebSocket frame was masked";
case error::bad_size: return "The WebSocket frame size was not canonical";
case error::bad_frame_payload: return "The WebSocket frame payload was not valid utf8";
case error::bad_close_code: return "The WebSocket close frame reason code was invalid";
case error::bad_close_size: return "The WebSocket close frame payload size was invalid";
case error::bad_close_payload: return "The WebSocket close frame payload was not valid utf8";
error_condition
default_error_condition(int ev) const noexcept override
switch(static_cast<error>(ev))
default:
case error::closed:
case error::buffer_overflow:
case error::partial_deflate_block:
case error::message_too_big:
return {ev, *this};
case error::bad_http_version:
case error::bad_method:
case error::no_host:
case error::no_connection:
case error::no_connection_upgrade:
case error::no_upgrade:
case error::no_upgrade_websocket:
case error::no_sec_key:
case error::bad_sec_key:
case error::no_sec_version:
case error::bad_sec_version:
case error::no_sec_accept:
case error::bad_sec_accept:
case error::upgrade_declined:
return condition::handshake_failed;
case error::bad_opcode:
case error::bad_data_frame:
case error::bad_continuation:
case error::bad_reserved_bits:
case error::bad_control_fragment:
case error::bad_control_size:
case error::bad_unmasked_frame:
case error::bad_masked_frame:
case error::bad_size:
case error::bad_frame_payload:
case error::bad_close_code:
case error::bad_close_size:
case error::bad_close_payload:
return condition::protocol_violation;
class error_conditions : public error_category
public:
const char*
name() const noexcept override
return "boost.beast.websocket";
error_conditions() : error_category(0x7a8de5d61799ce9eu) {}
std::string
message(int cv) const override
switch(static_cast<condition>(cv))
default:
case condition::handshake_failed: return "The WebSocket handshake failed";
case condition::protocol_violation: return "A WebSocket protocol violation occurred";
} // detail
error_code
make_error_code(error e)
static detail::error_codes const cat{};
return error_code{static_cast<
std::underlying_type<error>::type>(e), cat};
error_condition
make_error_condition(condition c)
static detail::error_conditions const cat{};
return error_condition{static_cast<
std::underlying_type<condition>::type>(c), cat};
} // websocket
} // beast
} // boost
#endif
