1// 2// Copyright (c) 2016-2019 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_HTTP_IMPL_ERROR_IPP 11#define BOOST_BEAST_HTTP_IMPL_ERROR_IPP 12 13#include <boost/beast/http/error.hpp> 14#include <type_traits> 15 16namespace boost { 17namespace beast { 18namespace http { 19namespace detail { 20 21class http_error_category : public error_category 22{ 23public: 24 const char* 25 name() const noexcept override 26 { 27 return "beast.http"; 28 } 29 30 std::string 31 message(int ev) const override 32 { 33 switch(static_cast<error>(ev)) 34 { 35 case error::end_of_stream: return "end of stream"; 36 case error::partial_message: return "partial message"; 37 case error::need_more: return "need more"; 38 case error::unexpected_body: return "unexpected body"; 39 case error::need_buffer: return "need buffer"; 40 case error::end_of_chunk: return "end of chunk"; 41 case error::buffer_overflow: return "buffer overflow"; 42 case error::header_limit: return "header limit exceeded"; 43 case error::body_limit: return "body limit exceeded"; 44 case error::bad_alloc: return "bad alloc"; 45 case error::bad_line_ending: return "bad line ending"; 46 case error::bad_method: return "bad method"; 47 case error::bad_target: return "bad target"; 48 case error::bad_version: return "bad version"; 49 case error::bad_status: return "bad status"; 50 case error::bad_reason: return "bad reason"; 51 case error::bad_field: return "bad field"; 52 case error::bad_value: return "bad value"; 53 case error::bad_content_length: return "bad Content-Length"; 54 case error::bad_transfer_encoding: return "bad Transfer-Encoding"; 55 case error::bad_chunk: return "bad chunk"; 56 case error::bad_chunk_extension: return "bad chunk extension"; 57 case error::bad_obs_fold: return "bad obs-fold"; 58 case error::stale_parser: return "stale parser"; 59 case error::short_read: return "unexpected eof in body"; 60 61 default: 62 return "beast.http error"; 63 } 64 } 65 66 error_condition 67 default_error_condition( 68 int ev) const noexcept override 69 { 70 return error_condition{ev, *this}; 71 } 72 73 bool 74 equivalent(int ev, 75 error_condition const& condition 76 ) const noexcept override 77 { 78 return condition.value() == ev && 79 &condition.category() == this; 80 } 81 82 bool 83 equivalent(error_code const& error, 84 int ev) const noexcept override 85 { 86 return error.value() == ev && 87 &error.category() == this; 88 } 89}; 90 91} // detail 92 93error_code 94make_error_code(error ev) 95{ 96 static detail::http_error_category const cat{}; 97 return error_code{static_cast< 98 std::underlying_type<error>::type>(ev), cat}; 99} 100 101} // http 102} // beast 103} // boost 104 105#endif 106