ceph/src/boost/libs/asio/example/cpp03/http/server4/server.hpp

   1 //
   2 // server.hpp
   3 // ~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2020 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