xref: /recipes/reactor/s06-s05-TcpConnection.h.diff

 // excerpts from http://code.google.com/p/muduo/
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the License file.
 //
 // Author: Shuo Chen (chenshuo at chenshuo dot com)
 
 #ifndef MUDUO_NET_TCPCONNECTION_H
 #define MUDUO_NET_TCPCONNECTION_H
 
 #include "Callbacks.h"
 #include "InetAddress.h"
 
 #include <boost/any.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/noncopyable.hpp>
 #include <boost/scoped_ptr.hpp>
 #include <boost/shared_ptr.hpp>
 
 namespace muduo
 {
 
 class Channel;
 class EventLoop;
 class Socket;
 
 ///
 /// TCP connection, for both client and server usage.
 ///
 class TcpConnection : boost::noncopyable,
                       public boost::enable_shared_from_this<TcpConnection>
 {
  public:
   /// Constructs a TcpConnection with a connected sockfd
   ///
   /// User should not create this object.
   TcpConnection(EventLoop* loop,
                 const std::string& name,
                 int sockfd,
                 const InetAddress& localAddr,
                 const InetAddress& peerAddr);
   ~TcpConnection();
 
   EventLoop* getLoop() const { return loop_; }
   const std::string& name() const { return name_; }
   const InetAddress& localAddress() { return localAddr_; }
   const InetAddress& peerAddress() { return peerAddr_; }
   bool connected() const { return state_ == kConnected; }
 
   void setConnectionCallback(const ConnectionCallback& cb)
   { connectionCallback_ = cb; }
 
   void setMessageCallback(const MessageCallback& cb)
   { messageCallback_ = cb; }
 
   /// Internal use only.
+  void setCloseCallback(const CloseCallback& cb)
+  { closeCallback_ = cb; }
 
   // called when TcpServer accepts a new connection
   void connectEstablished();   // should be called only once
+  // called when TcpServer has removed me from its map
+  void connectDestroyed();  // should be called only once
 
  private:
!  enum StateE { kConnecting, kConnected, kDisconnected, };
 
   void setState(StateE s) { state_ = s; }
   void handleRead();
+  void handleWrite();
+  void handleClose();
+  void handleError();
 
   EventLoop* loop_;
   std::string name_;
   StateE state_;  // FIXME: use atomic variable
   // we don't expose those classes to client.
   boost::scoped_ptr<Socket> socket_;
   boost::scoped_ptr<Channel> channel_;
   InetAddress localAddr_;
   InetAddress peerAddr_;
   ConnectionCallback connectionCallback_;
   MessageCallback messageCallback_;
+  CloseCallback closeCallback_;
 };
 
 typedef boost::shared_ptr<TcpConnection> TcpConnectionPtr;
 
 }
 
 #endif  // MUDUO_NET_TCPCONNECTION_H