core/impl/error.ipp

0001 //
0002 // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
0003 //
0004 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0005 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 //
0007 // Official repository: https://github.com/boostorg/beast
0008 //
0009
0010 #ifndef BOOST_BEAST_IMPL_ERROR_IPP
0011 #define BOOST_BEAST_IMPL_ERROR_IPP
0012
0013 #include <boost/beast/core/error.hpp>
0014
0015 namespace boost {
0016 namespace beast {
0017
0018 namespace detail {
0019
0020 class error_codes : public error_category
0021 {
0022 public:
0023     const char*
0024     name() const noexcept override
0025     {
0026         return "boost.beast";
0027     }
0028
0029     error_codes() : error_category(0x002f6e94401c6e8bu)  {}
0030
0031     BOOST_BEAST_DECL
0032     char const*
0033     message(int ev, char*, std::size_t) const noexcept override
0034     {
0035         switch(static_cast<error>(ev))
0036         {
0037         default:
0038         case error::timeout: return
0039             "The socket was closed due to a timeout";
0040         }
0041     }
0042
0043     BOOST_BEAST_DECL
0044     std::string
0045     message(int ev) const override
0046     {
0047         return message(ev, nullptr, 0);
0048     }
0049
0050     BOOST_BEAST_DECL
0051     error_condition
0052     default_error_condition(int ev) const noexcept override
0053     {
0054         switch(static_cast<error>(ev))
0055         {
0056         default:
0057     //        return {ev, *this};
0058         case error::timeout:
0059             return condition::timeout;
0060         }
0061     }
0062 };
0063
0064 class error_conditions : public error_category
0065 {
0066 public:
0067     BOOST_BEAST_DECL
0068     const char*
0069     name() const noexcept override
0070     {
0071         return "boost.beast";
0072     }
0073
0074     error_conditions() : error_category(0x3dd0b0ce843c5b10u)  {}
0075
0076     BOOST_BEAST_DECL
0077     char const*
0078     message(int cv, char*, std::size_t) const noexcept override
0079     {
0080         switch(static_cast<condition>(cv))
0081         {
0082         default:
0083         case condition::timeout:
0084             return "The operation timed out";
0085         }
0086     }
0087
0088     BOOST_BEAST_DECL
0089     std::string
0090     message(int cv) const override
0091     {
0092         return message(cv, nullptr, 0);
0093     }
0094 };
0095
0096 } // detail
0097
0098 error_code
0099 make_error_code(error e)
0100 {
0101     static detail::error_codes const cat{};
0102     return error_code{static_cast<
0103         std::underlying_type<error>::type>(e), cat};
0104 }
0105
0106 error_condition
0107 make_error_condition(condition c)
0108 {
0109     static detail::error_conditions const cat{};
0110     return error_condition{static_cast<
0111         std::underlying_type<condition>::type>(c), cat};
0112 }
0113
0114 } // beast
0115 } // boost
0116
0117 #endif