| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2021 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_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_HTTP_PROTO_METADATA_HPP | ||
| 11 | #define BOOST_HTTP_PROTO_METADATA_HPP | ||
| 12 | |||
| 13 | #include <boost/http_proto/detail/config.hpp> | ||
| 14 | #include <boost/http_proto/error.hpp> // VFALCO TEMPORARY | ||
| 15 | #include <boost/system/error_code.hpp> | ||
| 16 | #include <cstdint> | ||
| 17 | #include <cstdlib> | ||
| 18 | |||
| 19 | namespace boost { | ||
| 20 | namespace http_proto { | ||
| 21 | |||
| 22 | //------------------------------------------------ | ||
| 23 | |||
| 24 | /** Identifies the payload type of a message | ||
| 25 | */ | ||
| 26 | enum class payload | ||
| 27 | { | ||
| 28 | // VFALCO 3 space indent or | ||
| 29 | // else Doxygen malfunctions | ||
| 30 | |||
| 31 | /** | ||
| 32 | * This message has no payload | ||
| 33 | */ | ||
| 34 | none | ||
| 35 | |||
| 36 | /** | ||
| 37 | * The payload is unknown due to errors | ||
| 38 | */ | ||
| 39 | ,error | ||
| 40 | |||
| 41 | /** | ||
| 42 | * This message has a known payload size | ||
| 43 | */ | ||
| 44 | ,size | ||
| 45 | |||
| 46 | /** | ||
| 47 | * This message contains a chunked payload | ||
| 48 | */ | ||
| 49 | ,chunked | ||
| 50 | |||
| 51 | /** | ||
| 52 | * The payload for this message continues until EOF | ||
| 53 | */ | ||
| 54 | ,to_eof | ||
| 55 | }; | ||
| 56 | |||
| 57 | //------------------------------------------------ | ||
| 58 | |||
| 59 | /** Metadata about a request or response | ||
| 60 | */ | ||
| 61 | struct metadata | ||
| 62 | { | ||
| 63 | /** Metadata for the Connection field | ||
| 64 | */ | ||
| 65 | struct connection_t | ||
| 66 | { | ||
| 67 | /** Error status of Connection | ||
| 68 | */ | ||
| 69 | system::error_code ec; | ||
| 70 | |||
| 71 | /** The total number of fields | ||
| 72 | */ | ||
| 73 | std::size_t count = 0; | ||
| 74 | |||
| 75 | /** true if a close token is present | ||
| 76 | */ | ||
| 77 | bool close = false; | ||
| 78 | |||
| 79 | /** true if a keep-alive token is present | ||
| 80 | */ | ||
| 81 | bool keep_alive = false; | ||
| 82 | |||
| 83 | /** true if an upgrade token is present | ||
| 84 | */ | ||
| 85 | bool upgrade = false; | ||
| 86 | |||
| 87 | #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND | ||
| 88 | constexpr | ||
| 89 | 3327 | connection_t() = default; | |
| 90 | |||
| 91 | constexpr | ||
| 92 | 15 | connection_t( | |
| 93 | system::error_code ec_, | ||
| 94 | std::size_t count_, | ||
| 95 | bool close_, | ||
| 96 | bool keep_alive_, | ||
| 97 | bool upgrade_) noexcept | ||
| 98 | 15 | : ec(ec_) | |
| 99 | , count(count_) | ||
| 100 | , close(close_) | ||
| 101 | , keep_alive(keep_alive_) | ||
| 102 | 15 | , upgrade(upgrade_) | |
| 103 | { | ||
| 104 | 15 | } | |
| 105 | #endif | ||
| 106 | }; | ||
| 107 | |||
| 108 | //-------------------------------------------- | ||
| 109 | |||
| 110 | /** Metadata for the Content-Length field | ||
| 111 | */ | ||
| 112 | struct content_length_t | ||
| 113 | { | ||
| 114 | /** Error status of Content-Length | ||
| 115 | */ | ||
| 116 | system::error_code ec; | ||
| 117 | |||
| 118 | /** The total number of fields | ||
| 119 | */ | ||
| 120 | std::size_t count = 0; | ||
| 121 | |||
| 122 | /** The value as an integer | ||
| 123 | |||
| 124 | This is only valid when ec does | ||
| 125 | not hold a failure, and when | ||
| 126 | count is greater than zero. | ||
| 127 | */ | ||
| 128 | std::uint64_t value = 0; | ||
| 129 | |||
| 130 | #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND | ||
| 131 | constexpr | ||
| 132 | 3319 | content_length_t() = default; | |
| 133 | |||
| 134 | constexpr | ||
| 135 | 11 | content_length_t( | |
| 136 | system::error_code ec_, | ||
| 137 | std::size_t count_, | ||
| 138 | std::uint64_t value_) noexcept | ||
| 139 | 11 | : ec(ec_) | |
| 140 | , count(count_) | ||
| 141 | 11 | , value(value_) | |
| 142 | { | ||
| 143 | 11 | } | |
| 144 | #endif | ||
| 145 | }; | ||
| 146 | |||
| 147 | //-------------------------------------------- | ||
| 148 | |||
| 149 | /** Metadata for the Expect field | ||
| 150 | */ | ||
| 151 | struct expect_t | ||
| 152 | { | ||
| 153 | /** Error status of Expect | ||
| 154 | */ | ||
| 155 | system::error_code ec; | ||
| 156 | |||
| 157 | /** The total number of fields | ||
| 158 | */ | ||
| 159 | std::size_t count = 0; | ||
| 160 | |||
| 161 | /** True if Expect is 100-continue | ||
| 162 | */ | ||
| 163 | bool is_100_continue = false; | ||
| 164 | |||
| 165 | #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND | ||
| 166 | constexpr | ||
| 167 | 3329 | expect_t() = default; | |
| 168 | |||
| 169 | constexpr | ||
| 170 | 14 | expect_t( | |
| 171 | system::error_code ec_, | ||
| 172 | std::size_t count_, | ||
| 173 | bool is_100_continue_) noexcept | ||
| 174 | 14 | : ec(ec_) | |
| 175 | , count(count_) | ||
| 176 | 14 | , is_100_continue(is_100_continue_) | |
| 177 | { | ||
| 178 | 14 | } | |
| 179 | #endif | ||
| 180 | }; | ||
| 181 | |||
| 182 | //-------------------------------------------- | ||
| 183 | |||
| 184 | /** Metadata for the Transfer-Encoding field | ||
| 185 | */ | ||
| 186 | struct transfer_encoding_t | ||
| 187 | { | ||
| 188 | /** Error status of Content-Length | ||
| 189 | */ | ||
| 190 | system::error_code ec; | ||
| 191 | |||
| 192 | /** The total number of fields | ||
| 193 | */ | ||
| 194 | std::size_t count = 0; | ||
| 195 | |||
| 196 | /** The total number of codings | ||
| 197 | */ | ||
| 198 | std::size_t codings = 0; | ||
| 199 | |||
| 200 | /** True if valid and chunked is specified last | ||
| 201 | */ | ||
| 202 | bool is_chunked = false; | ||
| 203 | |||
| 204 | #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND | ||
| 205 | constexpr | ||
| 206 | 3368 | transfer_encoding_t() = default; | |
| 207 | |||
| 208 | constexpr | ||
| 209 | 20 | transfer_encoding_t( | |
| 210 | system::error_code ec_, | ||
| 211 | std::size_t count_, | ||
| 212 | std::size_t codings_, | ||
| 213 | bool is_chunked_) noexcept | ||
| 214 | 20 | : ec(ec_) | |
| 215 | , count(count_) | ||
| 216 | , codings(codings_) | ||
| 217 | 20 | , is_chunked(is_chunked_) | |
| 218 | { | ||
| 219 | 20 | } | |
| 220 | #endif | ||
| 221 | }; | ||
| 222 | |||
| 223 | //-------------------------------------------- | ||
| 224 | |||
| 225 | /** Metadata for Upgrade field | ||
| 226 | */ | ||
| 227 | struct upgrade_t | ||
| 228 | { | ||
| 229 | /** Error status of Upgrade | ||
| 230 | */ | ||
| 231 | system::error_code ec; | ||
| 232 | |||
| 233 | /** The total number of fields | ||
| 234 | */ | ||
| 235 | std::size_t count = 0; | ||
| 236 | |||
| 237 | /** True if websocket appears at least once | ||
| 238 | */ | ||
| 239 | bool websocket = false; | ||
| 240 | |||
| 241 | #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND | ||
| 242 | constexpr | ||
| 243 | 3320 | upgrade_t() = default; | |
| 244 | |||
| 245 | constexpr | ||
| 246 | 15 | upgrade_t( | |
| 247 | system::error_code ec_, | ||
| 248 | std::size_t count_, | ||
| 249 | bool websocket_) noexcept | ||
| 250 | 15 | : ec(ec_) | |
| 251 | , count(count_) | ||
| 252 | 15 | , websocket(websocket_) | |
| 253 | { | ||
| 254 | 15 | } | |
| 255 | #endif | ||
| 256 | }; | ||
| 257 | |||
| 258 | //-------------------------------------------- | ||
| 259 | |||
| 260 | /** True if payload is manually specified | ||
| 261 | |||
| 262 | This flag is used to allow the caller | ||
| 263 | to resolve problems with non-compliant | ||
| 264 | values for Content-Length. | ||
| 265 | */ | ||
| 266 | bool payload_override = false; | ||
| 267 | |||
| 268 | /** The type of payload | ||
| 269 | */ | ||
| 270 | http_proto::payload payload = | ||
| 271 | http_proto::payload::none; | ||
| 272 | |||
| 273 | /** The size of the payload if known | ||
| 274 | |||
| 275 | This is only valid when @ref payload | ||
| 276 | equals @ref http_proto::payload::size. | ||
| 277 | */ | ||
| 278 | std::uint64_t payload_size = 0; | ||
| 279 | |||
| 280 | //-------------------------------------------- | ||
| 281 | |||
| 282 | // header metadata | ||
| 283 | |||
| 284 | /** Metadata for the Connection field. | ||
| 285 | */ | ||
| 286 | connection_t connection; | ||
| 287 | |||
| 288 | /** Metadata for the Content-Length field. | ||
| 289 | */ | ||
| 290 | content_length_t content_length; | ||
| 291 | |||
| 292 | /** Metadata for the Expect field. | ||
| 293 | */ | ||
| 294 | expect_t expect; | ||
| 295 | |||
| 296 | /** Metadata for the Transfer-Encoding field. | ||
| 297 | */ | ||
| 298 | transfer_encoding_t transfer_encoding; | ||
| 299 | |||
| 300 | /** Metadata for the Upgrade field. | ||
| 301 | */ | ||
| 302 | upgrade_t upgrade; | ||
| 303 | |||
| 304 | //-------------------------------------------- | ||
| 305 | |||
| 306 | /** Constructor | ||
| 307 | */ | ||
| 308 | 3315 | constexpr metadata() = default; | |
| 309 | }; | ||
| 310 | |||
| 311 | } // http_proto | ||
| 312 | } // boost | ||
| 313 | |||
| 314 | #endif | ||
| 315 |