src/server/router_types.cpp
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Functions (9)
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boost::http::(anonymous namespace)::route_what_cat_type::name() const
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boost::http::(anonymous namespace)::route_what_cat_type::message(int) const
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boost::http::make_error_code(boost::http::route_what)
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boost::http::route_result::route_result(std::error_code)
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boost::http::route_result::set(boost::http::route_what)
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boost::http::route_result::what() const
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boost::http::route_result::error() const
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boost::http::route_params::is_method(boost::core::basic_string_view<char>) const
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boost::http::route_params::send(std::basic_string_view<char, std::char_traits<char> >)
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| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.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/cppalliance/http | ||
| 8 | // | ||
| 9 | |||
| 10 | #include <boost/http/server/route_handler.hpp> | ||
| 11 | #include <boost/http/server/etag.hpp> | ||
| 12 | #include <boost/http/server/fresh.hpp> | ||
| 13 | #include <boost/http/detail/except.hpp> | ||
| 14 | #include <boost/url/grammar/ci_string.hpp> | ||
| 15 | #include <boost/capy/buffers/make_buffer.hpp> | ||
| 16 | #include <boost/assert.hpp> | ||
| 17 | #include <cstring> | ||
| 18 | |||
| 19 | namespace std { | ||
| 20 | template<> | ||
| 21 | struct is_error_code_enum< | ||
| 22 | ::boost::http::route_what> | ||
| 23 | : std::true_type {}; | ||
| 24 | } // std | ||
| 25 | |||
| 26 | namespace boost { | ||
| 27 | namespace http { | ||
| 28 | |||
| 29 | namespace { | ||
| 30 | |||
| 31 | struct route_what_cat_type | ||
| 32 | : std::error_category | ||
| 33 | { | ||
| 34 | constexpr route_what_cat_type() noexcept = default; | ||
| 35 | |||
| 36 | ✗ | const char* name() const noexcept override | |
| 37 | { | ||
| 38 | ✗ | return "boost.http.route_what"; | |
| 39 | } | ||
| 40 | |||
| 41 | ✗ | std::string message(int code) const override | |
| 42 | { | ||
| 43 | ✗ | switch(static_cast<route_what>(code)) | |
| 44 | { | ||
| 45 | ✗ | case route_what::done: return "done"; | |
| 46 | ✗ | case route_what::error: return "error"; | |
| 47 | ✗ | case route_what::next: return "next"; | |
| 48 | ✗ | case route_what::next_route: return "next_route"; | |
| 49 | ✗ | case route_what::close: return "close"; | |
| 50 | ✗ | default: | |
| 51 | ✗ | return "?"; | |
| 52 | } | ||
| 53 | } | ||
| 54 | }; | ||
| 55 | |||
| 56 | route_what_cat_type route_what_cat; | ||
| 57 | |||
| 58 | } // (anon) | ||
| 59 | |||
| 60 | std::error_code | ||
| 61 | 166x | make_error_code( | |
| 62 | route_what w) noexcept | ||
| 63 | { | ||
| 64 | 166x | return std::error_code{ | |
| 65 | 166x | static_cast<int>(w), route_what_cat}; | |
| 66 | } | ||
| 67 | |||
| 68 | //---------------------------------------------------------- | ||
| 69 | |||
| 70 | 13x | route_result:: | |
| 71 | route_result( | ||
| 72 | 13x | std::error_code ec) | |
| 73 | 13x | : ec_(ec) | |
| 74 | { | ||
| 75 | 13x | if(! ec) | |
| 76 | ✗ | detail::throw_invalid_argument(); | |
| 77 | 13x | } | |
| 78 | |||
| 79 | void | ||
| 80 | 132x | route_result:: | |
| 81 | set(route_what w) | ||
| 82 | { | ||
| 83 | 132x | ec_ = make_error_code(w); | |
| 84 | 132x | } | |
| 85 | |||
| 86 | auto | ||
| 87 | 456x | route_result:: | |
| 88 | what() const noexcept -> | ||
| 89 | route_what | ||
| 90 | { | ||
| 91 | 456x | if(! ec_) | |
| 92 | 386x | return route_what::done; | |
| 93 | 70x | if(&ec_.category() != &route_what_cat) | |
| 94 | 40x | return route_what::error; | |
| 95 | 30x | if( ec_ == route_what::next) | |
| 96 | 26x | return route_what::next; | |
| 97 | 4x | if( ec_ == route_what::next_route) | |
| 98 | 3x | return route_what::next_route; | |
| 99 | //if( ec_ == route_what::close) | ||
| 100 | 1x | return route_what::close; | |
| 101 | } | ||
| 102 | |||
| 103 | auto | ||
| 104 | 9x | route_result:: | |
| 105 | error() const noexcept -> | ||
| 106 | std::error_code | ||
| 107 | { | ||
| 108 | 9x | if(&ec_.category() != &route_what_cat) | |
| 109 | 9x | return ec_; | |
| 110 | ✗ | return {}; | |
| 111 | } | ||
| 112 | |||
| 113 | //------------------------------------------------ | ||
| 114 | |||
| 115 | bool | ||
| 116 | ✗ | route_params:: | |
| 117 | is_method( | ||
| 118 | core::string_view s) const noexcept | ||
| 119 | { | ||
| 120 | ✗ | auto m = http::string_to_method(s); | |
| 121 | ✗ | if(m != http::method::unknown) | |
| 122 | ✗ | return priv_.verb_ == m; | |
| 123 | ✗ | return s == priv_.verb_str_; | |
| 124 | } | ||
| 125 | |||
| 126 | //------------------------------------------------ | ||
| 127 | |||
| 128 | capy::io_task<> | ||
| 129 | 1x | route_params:: | |
| 130 | send(std::string_view body) | ||
| 131 | { | ||
| 132 | auto const sc = res.status(); | ||
| 133 | |||
| 134 | // 204 No Content / 304 Not Modified: strip headers, no body | ||
| 135 | if(sc == status::no_content || | ||
| 136 | sc == status::not_modified) | ||
| 137 | { | ||
| 138 | res.erase(field::content_type); | ||
| 139 | res.erase(field::content_length); | ||
| 140 | res.erase(field::transfer_encoding); | ||
| 141 | co_return co_await res_body.write_eof(); | ||
| 142 | } | ||
| 143 | |||
| 144 | // 205 Reset Content: Content-Length=0, no body | ||
| 145 | if(sc == status::reset_content) | ||
| 146 | { | ||
| 147 | res.erase(field::transfer_encoding); | ||
| 148 | res.set_payload_size(0); | ||
| 149 | co_return co_await res_body.write_eof(); | ||
| 150 | } | ||
| 151 | |||
| 152 | // Set Content-Type if not already set | ||
| 153 | if(! res.exists(field::content_type)) | ||
| 154 | { | ||
| 155 | if(! body.empty() && body[0] == '<') | ||
| 156 | res.set(field::content_type, | ||
| 157 | "text/html; charset=utf-8"); | ||
| 158 | else | ||
| 159 | res.set(field::content_type, | ||
| 160 | "text/plain; charset=utf-8"); | ||
| 161 | } | ||
| 162 | |||
| 163 | // Generate ETag if not already set | ||
| 164 | if(! res.exists(field::etag)) | ||
| 165 | res.set(field::etag, etag(body)); | ||
| 166 | |||
| 167 | // Set Content-Length if not already set | ||
| 168 | if(! res.exists(field::content_length)) | ||
| 169 | res.set_payload_size(body.size()); | ||
| 170 | |||
| 171 | // Freshness check: auto-304 for conditional GET | ||
| 172 | if(is_fresh(req, res)) | ||
| 173 | { | ||
| 174 | res.set_status(status::not_modified); | ||
| 175 | res.erase(field::content_type); | ||
| 176 | res.erase(field::content_length); | ||
| 177 | res.erase(field::transfer_encoding); | ||
| 178 | co_return co_await res_body.write_eof(); | ||
| 179 | } | ||
| 180 | |||
| 181 | // HEAD: send headers only, skip body | ||
| 182 | if(req.method() == method::head) | ||
| 183 | { | ||
| 184 | co_return co_await res_body.write_eof(); | ||
| 185 | } | ||
| 186 | |||
| 187 | auto [ec, n] = co_await res_body.write_eof( | ||
| 188 | capy::make_buffer(body)); | ||
| 189 | co_return {ec}; | ||
| 190 | 2x | } | |
| 191 | |||
| 192 | } // http | ||
| 193 | } // boost | ||
| 194 |