1 /* 2 * nghttp2 - HTTP/2 C Library 3 * 4 * Copyright (c) 2015 Tatsuhiro Tsujikawa 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be 15 * included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 #ifndef ASIO_SERVER_RESPONSE_IMPL_H 26 #define ASIO_SERVER_RESPONSE_IMPL_H 27 28 #include "nghttp2_config.h" 29 30 #include <nghttp2/asio_http2_server.h> 31 32 namespace nghttp2 { 33 namespace asio_http2 { 34 namespace server { 35 36 class stream; 37 38 enum class response_state { 39 INITIAL, 40 // response_impl::write_head() was called 41 HEADER_DONE, 42 // response_impl::end() was called 43 BODY_STARTED, 44 }; 45 46 class response_impl { 47 public: 48 response_impl(); 49 void write_head(unsigned int status_code, header_map h = header_map{}); 50 void end(std::string data = ""); 51 void end(generator_cb cb); 52 void write_trailer(header_map h); 53 void on_close(close_cb cb); 54 void resume(); 55 56 void cancel(uint32_t error_code); 57 58 response *push(boost::system::error_code &ec, std::string method, 59 std::string raw_path_query, header_map) const; 60 61 boost::asio::io_service &io_service(); 62 63 void start_response(); 64 65 unsigned int status_code() const; 66 const header_map &header() const; 67 void pushed(bool f); 68 void push_promise_sent(); 69 void stream(class stream *s); 70 generator_cb::result_type call_read(uint8_t *data, std::size_t len, 71 uint32_t *data_flags); 72 void call_on_close(uint32_t error_code); 73 74 private: 75 class stream *strm_; 76 header_map header_; 77 generator_cb generator_cb_; 78 close_cb close_cb_; 79 unsigned int status_code_; 80 response_state state_; 81 // true if this is pushed stream's response 82 bool pushed_; 83 // true if PUSH_PROMISE is sent if this is response of a pushed 84 // stream 85 bool push_promise_sent_; 86 }; 87 88 } // namespace server 89 } // namespace asio_http2 90 } // namespace nghttp2 91 92 #endif // ASIO_SERVER_RESPONSE_IMPL_H 93