ceph/src/boost/libs/asio/example/cpp03/http/server2/connection.hpp

   1 //
   2 // connection.hpp
   3 // ~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 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_SERVER2_CONNECTION_HPP
  12 #define HTTP_SERVER2_CONNECTION_HPP
  13
  14 #include <boost/asio.hpp>
  15 #include <boost/array.hpp>
  16 #include <boost/noncopyable.hpp>
  17 #include <boost/shared_ptr.hpp>
  18 #include <boost/enable_shared_from_this.hpp>
  19 #include "reply.hpp"
  20 #include "request.hpp"
  21 #include "request_handler.hpp"
  22 #include "request_parser.hpp"
  23
  24 namespace http {
  25 namespace server2 {
  26
  27 /// Represents a single connection from a client.
  28 class connection
  29   : public boost::enable_shared_from_this<connection>,
  30     private boost::noncopyable
  31 {
  32 public:
  33   /// Construct a connection with the given io_context.
  34   explicit connection(boost::asio::io_context& io_context,
  35       request_handler& handler);
  36
  37   /// Get the socket associated with the connection.
  38   boost::asio::ip::tcp::socket& socket();
  39
  40   /// Start the first asynchronous operation for the connection.
  41   void start();
  42
  43 private:
  44   /// Handle completion of a read operation.
  45   void handle_read(const boost::system::error_code& e,
  46       std::size_t bytes_transferred);
  47
  48   /// Handle completion of a write operation.
  49   void handle_write(const boost::system::error_code& e);
  50
  51   /// Socket for the connection.
  52   boost::asio::ip::tcp::socket socket_;
  53
  54   /// The handler used to process the incoming request.
  55   request_handler& request_handler_;
  56
  57   /// Buffer for incoming data.
  58   boost::array<char, 8192> buffer_;
  59
  60   /// The incoming request.
  61   request 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   reply reply_;
  68 };
  69
  70 typedef boost::shared_ptr<connection> connection_ptr;
  71
  72 } // namespace server2
  73 } // namespace http
  74
  75 #endif // HTTP_SERVER2_CONNECTION_HPP