ceph/src/boost/libs/asio/example/cpp11/http/server/connection.hpp

   1 //
   2 // connection.hpp
   3 // ~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2019 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_CONNECTION_HPP
  12 #define HTTP_CONNECTION_HPP
  13
  14 #include <array>
  15 #include <memory>
  16 #include <boost/asio.hpp>
  17 #include "reply.hpp"
  18 #include "request.hpp"
  19 #include "request_handler.hpp"
  20 #include "request_parser.hpp"
  21
  22 namespace http {
  23 namespace server {
  24
  25 class connection_manager;
  26
  27 /// Represents a single connection from a client.
  28 class connection
  29   : public std::enable_shared_from_this<connection>
  30 {
  31 public:
  32   connection(const connection&) = delete;
  33   connection& operator=(const connection&) = delete;
  34
  35   /// Construct a connection with the given socket.
  36   explicit connection(boost::asio::ip::tcp::socket socket,
  37       connection_manager& manager, request_handler& handler);
  38
  39   /// Start the first asynchronous operation for the connection.
  40   void start();
  41
  42   /// Stop all asynchronous operations associated with the connection.
  43   void stop();
  44
  45 private:
  46   /// Perform an asynchronous read operation.
  47   void do_read();
  48
  49   /// Perform an asynchronous write operation.
  50   void do_write();
  51
  52   /// Socket for the connection.
  53   boost::asio::ip::tcp::socket socket_;
  54
  55   /// The manager for this connection.
  56   connection_manager& connection_manager_;
  57
  58   /// The handler used to process the incoming request.
  59   request_handler& request_handler_;
  60
  61   /// Buffer for incoming data.
  62   std::array<char, 8192> buffer_;
  63
  64   /// The incoming request.
  65   request request_;
  66
  67   /// The parser for the incoming request.
  68   request_parser request_parser_;
  69
  70   /// The reply to be sent back to the client.
  71   reply reply_;
  72 };
  73
  74 typedef std::shared_ptr<connection> connection_ptr;
  75
  76 } // namespace server
  77 } // namespace http
  78
  79 #endif // HTTP_CONNECTION_HPP