1 // 2 // server.hpp 3 // ~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com) 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 // 10 11 #ifndef HTTP_SERVER4_SERVER_HPP 12 #define HTTP_SERVER4_SERVER_HPP 13 14 #include <boost/asio.hpp> 15 #include <string> 16 #include <boost/array.hpp> 17 #include <boost/function.hpp> 18 #include <boost/shared_ptr.hpp> 19 #include "request_parser.hpp" 20 21 namespace http { 22 namespace server4 { 23 24 struct request; 25 struct reply; 26 27 /// The top-level coroutine of the HTTP server. 28 class server : boost::asio::coroutine 29 { 30 public: 31 /// Construct the server to listen on the specified TCP address and port, and 32 /// serve up files from the given directory. 33 explicit server(boost::asio::io_context& io_context, 34 const std::string& address, const std::string& port, 35 boost::function<void(const request&, reply&)> request_handler); 36 37 /// Perform work associated with the server. 38 void operator()( 39 boost::system::error_code ec = boost::system::error_code(), 40 std::size_t length = 0); 41 42 private: 43 typedef boost::asio::ip::tcp tcp; 44 45 /// The user-supplied handler for all incoming requests. 46 boost::function<void(const request&, reply&)> request_handler_; 47 48 /// Acceptor used to listen for incoming connections. 49 boost::shared_ptr<tcp::acceptor> acceptor_; 50 51 /// The current connection from a client. 52 boost::shared_ptr<tcp::socket> socket_; 53 54 /// Buffer for incoming data. 55 boost::shared_ptr<boost::array<char, 8192> > buffer_; 56 57 /// The incoming request. 58 boost::shared_ptr<request> request_; 59 60 /// Whether the request is valid or not. 61 boost::tribool valid_request_; 62 63 /// The parser for the incoming request. 64 request_parser request_parser_; 65 66 /// The reply to be sent back to the client. 67 boost::shared_ptr<reply> reply_; 68 }; 69 70 } // namespace server4 71 } // namespace http 72 73 #endif // HTTP_SERVER4_SERVER_HPP 74