| Line | Branch | Exec | Source |
|---|---|---|---|
| 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/cppalliance/beast2 | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_BEAST2_IMPL_WRITE_HPP | ||
| 11 | #define BOOST_BEAST2_IMPL_WRITE_HPP | ||
| 12 | |||
| 13 | #include <boost/asio/append.hpp> | ||
| 14 | #include <boost/asio/buffer.hpp> | ||
| 15 | #include <boost/asio/compose.hpp> | ||
| 16 | #include <boost/asio/coroutine.hpp> | ||
| 17 | #include <boost/asio/immediate.hpp> | ||
| 18 | #include <boost/system/error_code.hpp> | ||
| 19 | #include <boost/system/result.hpp> | ||
| 20 | #include <boost/http_proto/serializer.hpp> | ||
| 21 | |||
| 22 | namespace boost { | ||
| 23 | namespace beast2 { | ||
| 24 | |||
| 25 | namespace detail { | ||
| 26 | |||
| 27 | template<class WriteStream> | ||
| 28 | class write_some_op | ||
| 29 | : public asio::coroutine | ||
| 30 | { | ||
| 31 | using buffers_type = | ||
| 32 | http::serializer::const_buffers_type; | ||
| 33 | |||
| 34 | WriteStream& dest_; | ||
| 35 | http::serializer& sr_; | ||
| 36 | |||
| 37 | public: | ||
| 38 | 94 | write_some_op( | |
| 39 | WriteStream& dest, | ||
| 40 | http::serializer& sr) noexcept | ||
| 41 | 94 | : dest_(dest) | |
| 42 | 94 | , sr_(sr) | |
| 43 | { | ||
| 44 | 94 | } | |
| 45 | |||
| 46 | template<class Self> | ||
| 47 | void | ||
| 48 | 376 | operator()( | |
| 49 | Self& self, | ||
| 50 | system::error_code ec = {}, | ||
| 51 | std::size_t bytes_transferred = {}) | ||
| 52 | { | ||
| 53 | 376 | system::result<buffers_type> rv; | |
| 54 | |||
| 55 |
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752 | BOOST_ASIO_CORO_REENTER(*this) |
| 56 | { | ||
| 57 |
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188 | self.reset_cancellation_state( |
| 58 | ✗ | asio::enable_total_cancellation()); | |
| 59 | |||
| 60 |
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188 | rv = sr_.prepare(); |
| 61 |
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188 | if(! rv) |
| 62 | { | ||
| 63 | ✗ | ec = rv.error(); | |
| 64 | ✗ | BOOST_ASIO_CORO_YIELD | |
| 65 | { | ||
| 66 | BOOST_ASIO_HANDLER_LOCATION(( | ||
| 67 | __FILE__, __LINE__, | ||
| 68 | "immediate")); | ||
| 69 | ✗ | auto io_ex = self.get_io_executor(); | |
| 70 | ✗ | asio::async_immediate( | |
| 71 | io_ex, | ||
| 72 | ✗ | asio::append(std::move(self), ec)); | |
| 73 | ✗ | } | |
| 74 | ✗ | goto upcall; | |
| 75 | } | ||
| 76 | |||
| 77 |
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564 | BOOST_ASIO_CORO_YIELD |
| 78 | { | ||
| 79 | BOOST_ASIO_HANDLER_LOCATION(( | ||
| 80 | __FILE__, __LINE__, | ||
| 81 | "beast2::write_some_op")); | ||
| 82 |
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188 | dest_.async_write_some( |
| 83 | 188 | *rv, | |
| 84 | 188 | std::move(self)); | |
| 85 | } | ||
| 86 |
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188 | sr_.consume(bytes_transferred); |
| 87 | |||
| 88 | 188 | upcall: | |
| 89 |
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188 | self.complete( |
| 90 | ec, bytes_transferred ); | ||
| 91 | } | ||
| 92 | 376 | } | |
| 93 | }; | ||
| 94 | |||
| 95 | //------------------------------------------------ | ||
| 96 | |||
| 97 | template<class WriteStream> | ||
| 98 | class write_op | ||
| 99 | : public asio::coroutine | ||
| 100 | { | ||
| 101 | WriteStream& dest_; | ||
| 102 | http::serializer& sr_; | ||
| 103 | std::size_t n_ = 0; | ||
| 104 | |||
| 105 | public: | ||
| 106 | 5 | write_op( | |
| 107 | WriteStream& dest, | ||
| 108 | http::serializer& sr) noexcept | ||
| 109 | 5 | : dest_(dest) | |
| 110 | 5 | , sr_(sr) | |
| 111 | { | ||
| 112 | 5 | } | |
| 113 | |||
| 114 | template<class Self> | ||
| 115 | void | ||
| 116 | 104 | operator()( | |
| 117 | Self& self, | ||
| 118 | system::error_code ec = {}, | ||
| 119 | std::size_t bytes_transferred = 0) | ||
| 120 | { | ||
| 121 |
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208 | BOOST_ASIO_CORO_REENTER(*this) |
| 122 | { | ||
| 123 |
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10 | self.reset_cancellation_state(asio::enable_total_cancellation()); |
| 124 | |||
| 125 | do | ||
| 126 | { | ||
| 127 |
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100 | if(!!self.cancelled()) |
| 128 | { | ||
| 129 | 6 | ec = asio::error::operation_aborted; | |
| 130 | |||
| 131 | 6 | break; // goto upcall | |
| 132 | } | ||
| 133 | |||
| 134 |
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282 | BOOST_ASIO_CORO_YIELD |
| 135 | { | ||
| 136 | BOOST_ASIO_HANDLER_LOCATION(( | ||
| 137 | __FILE__, __LINE__, | ||
| 138 | "beast2::write_op")); | ||
| 139 |
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94 | async_write_some( |
| 140 | 94 | dest_, sr_, std::move(self)); | |
| 141 | } | ||
| 142 | 94 | n_ += bytes_transferred; | |
| 143 | |||
| 144 |
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94 | if(ec.failed()) |
| 145 | 2 | break; // goto upcall | |
| 146 | } | ||
| 147 |
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92 | while(! sr_.is_done()); |
| 148 | |||
| 149 | // upcall: | ||
| 150 |
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10 | self.complete(ec, n_ ); |
| 151 | } | ||
| 152 | 104 | } | |
| 153 | }; | ||
| 154 | |||
| 155 | //------------------------------------------------ | ||
| 156 | |||
| 157 | #if 0 | ||
| 158 | template< | ||
| 159 | class WriteStream, | ||
| 160 | class ReadStream, | ||
| 161 | class CompletionCondition> | ||
| 162 | class relay_some_op | ||
| 163 | : public asio::coroutine | ||
| 164 | { | ||
| 165 | WriteStream& dest_; | ||
| 166 | ReadStream& src_; | ||
| 167 | CompletionCondition cond_; | ||
| 168 | http::serializer& sr_; | ||
| 169 | std::size_t bytes_read_ = 0; | ||
| 170 | |||
| 171 | public: | ||
| 172 | relay_some_op( | ||
| 173 | WriteStream& dest, | ||
| 174 | ReadStream& src, | ||
| 175 | CompletionCondition const& cond, | ||
| 176 | http::serializer& sr) noexcept | ||
| 177 | : dest_(dest) | ||
| 178 | , src_(src) | ||
| 179 | , cond_(cond) | ||
| 180 | , sr_(sr) | ||
| 181 | { | ||
| 182 | } | ||
| 183 | |||
| 184 | template<class Self> | ||
| 185 | void | ||
| 186 | operator()( | ||
| 187 | Self& self, | ||
| 188 | system::error_code ec = {}, | ||
| 189 | std::size_t bytes_transferred = 0) | ||
| 190 | { | ||
| 191 | urls::result< | ||
| 192 | http::serializer::buffers> rv; | ||
| 193 | |||
| 194 | BOOST_ASIO_CORO_REENTER(*this) | ||
| 195 | { | ||
| 196 | // Nothing to do | ||
| 197 | BOOST_ASSERT(! sr_.is_complete()); | ||
| 198 | |||
| 199 | rv = sr_.prepare(); | ||
| 200 | if(! rv) | ||
| 201 | { | ||
| 202 | ec = rv.error(); | ||
| 203 | BOOST_ASIO_CORO_YIELD | ||
| 204 | { | ||
| 205 | BOOST_ASIO_HANDLER_LOCATION(( | ||
| 206 | __FILE__, __LINE__, | ||
| 207 | "beast2::relay_some_op")); | ||
| 208 | asio::post(std::move(self)); | ||
| 209 | } | ||
| 210 | goto upcall; | ||
| 211 | } | ||
| 212 | |||
| 213 | BOOST_ASIO_CORO_YIELD | ||
| 214 | { | ||
| 215 | BOOST_ASIO_HANDLER_LOCATION(( | ||
| 216 | __FILE__, __LINE__, | ||
| 217 | "beast2::relay_some_op")); | ||
| 218 | dest_.async_write_some( | ||
| 219 | write_buffers(*rv), | ||
| 220 | std::move(self)); | ||
| 221 | } | ||
| 222 | sr_.consume(bytes_transferred); | ||
| 223 | |||
| 224 | upcall: | ||
| 225 | self.complete( | ||
| 226 | ec, bytes_transferred ); | ||
| 227 | } | ||
| 228 | } | ||
| 229 | }; | ||
| 230 | #endif | ||
| 231 | |||
| 232 | } // detail | ||
| 233 | |||
| 234 | //------------------------------------------------ | ||
| 235 | |||
| 236 | template< | ||
| 237 | class AsyncWriteStream, | ||
| 238 | BOOST_ASIO_COMPLETION_TOKEN_FOR( | ||
| 239 | void(system::error_code, std::size_t)) CompletionToken> | ||
| 240 | BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(CompletionToken, | ||
| 241 | void (system::error_code, std::size_t)) | ||
| 242 | 188 | async_write_some( | |
| 243 | AsyncWriteStream& dest, | ||
| 244 | http::serializer& sr, | ||
| 245 | CompletionToken&& token) | ||
| 246 | { | ||
| 247 | return asio::async_compose< | ||
| 248 | CompletionToken, | ||
| 249 |
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188 | void(system::error_code, std::size_t)>( |
| 250 | detail::write_some_op< | ||
| 251 | AsyncWriteStream>{dest, sr}, | ||
| 252 | 188 | token, dest); | |
| 253 | } | ||
| 254 | |||
| 255 | template< | ||
| 256 | class AsyncWriteStream, | ||
| 257 | BOOST_ASIO_COMPLETION_TOKEN_FOR( | ||
| 258 | void(system::error_code, std::size_t)) CompletionToken> | ||
| 259 | BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(CompletionToken, | ||
| 260 | void (system::error_code, std::size_t)) | ||
| 261 | 5 | async_write( | |
| 262 | AsyncWriteStream& dest, | ||
| 263 | http::serializer& sr, | ||
| 264 | CompletionToken&& token) | ||
| 265 | { | ||
| 266 | return asio::async_compose< | ||
| 267 | CompletionToken, | ||
| 268 |
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5 | void(system::error_code, std::size_t)>( |
| 269 | detail::write_op< | ||
| 270 | AsyncWriteStream>{dest, sr}, | ||
| 271 | token, | ||
| 272 | 5 | dest); | |
| 273 | } | ||
| 274 | |||
| 275 | #if 0 | ||
| 276 | template< | ||
| 277 | class AsyncWriteStream, | ||
| 278 | class AsyncReadStream, | ||
| 279 | class CompletionCondition, | ||
| 280 | BOOST_ASIO_COMPLETION_TOKEN_FOR( | ||
| 281 | void(system::error_code, std::size_t)) CompletionToken> | ||
| 282 | BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(CompletionToken, | ||
| 283 | void (system::error_code, std::size_t)) | ||
| 284 | async_relay_some( | ||
| 285 | AsyncWriteStream& dest, | ||
| 286 | AsyncReadStream& src, | ||
| 287 | CompletionCondition const& cond, | ||
| 288 | http::serializer& sr, | ||
| 289 | CompletionToken&& token) | ||
| 290 | { | ||
| 291 | return asio::async_compose< | ||
| 292 | CompletionToken, | ||
| 293 | void(system::error_code, std::size_t)>( | ||
| 294 | detail::relay_some_op< | ||
| 295 | AsyncWriteStream, | ||
| 296 | AsyncReadStream, | ||
| 297 | CompletionCondition>{ | ||
| 298 | dest, src, cond, sr}, | ||
| 299 | token, | ||
| 300 | dest, | ||
| 301 | src); | ||
| 302 | } | ||
| 303 | #endif | ||
| 304 | |||
| 305 | } // beast2 | ||
| 306 | } // boost | ||
| 307 | |||
| 308 | #endif | ||
| 309 |