poco/FSM/samples/TCP/AppClient.h
2016-07-18 14:34:53 +02:00

136 lines
3.5 KiB
C++

#ifndef _H_APPCLIENT
#define _H_APPCLIENT
//
// The contents of this file are subject to the Mozilla Public
// License Version 1.1 (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy
// of the License at http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an
// "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
// implied. See the License for the specific language governing
// rights and limitations under the License.
//
// The Original Code is State Machine Compiler (SMC).
//
// The Initial Developer of the Original Code is Charles W. Rapp.
// Portions created by Charles W. Rapp are
// Copyright (C) 2000 - 2007. Charles W. Rapp.
// All Rights Reserved.
//
// Contributor(s):
//
// Name
// AppClient.h
//
// Description
// Encapsulates a TcpClient object.
//
// RCS ID
// $Id: AppClient.h,v 1.6 2009/03/01 18:20:38 cwrapp Exp $
//
// CHANGE LOG
// $Log: AppClient.h,v $
// Revision 1.6 2009/03/01 18:20:38 cwrapp
// Preliminary v. 6.0.0 commit.
//
// Revision 1.5 2007/12/28 12:34:40 cwrapp
// Version 5.0.1 check-in.
//
// Revision 1.4 2005/05/28 13:31:18 cwrapp
// Updated C++ examples.
//
// Revision 1.0 2003/12/14 19:34:49 charlesr
// Initial revision
//
#include "TcpClient.h"
#include "TcpServer.h"
#include "TcpConnectionListener.h"
#include <string>
// Foward declarations.
class AppServer;
class AppClient :
/* implements */ public TcpConnectionListener,
/* implements */ public TimerListener
{
// Member functions.
public:
// Default constructor.
AppClient();
// Create a client around an accepted connection.
AppClient(const std::string& host,
TcpClient& client,
AppServer& owner);
virtual ~AppClient();
const std::string& getHost() const;
// Create a TCP client object and open a connection to the
// specified service.
void open(const std::string& host,
const sockaddr_in& address);
// Close the TCP service.
void close();
// TCP connection listener callback methods.
void opened(TcpConnection& connection);
void openFailed(const char *reason,
TcpConnection& connection);
void transmitted(TcpConnection& connection);
void transmitFailed(const char *reason,
TcpConnection& connection);
void receive(const char *data,
int size,
TcpConnection& connection);
void halfClosed(TcpConnection& connection);
void closed(const char *reason,
TcpConnection& connection);
// Clients never receive this event.
void accepted(TcpClient&, TcpServer&) {};
// Timer listener callback method.
void handleTimeout(const char *name);
protected:
private:
// Randomly set the transmit time.
void setTransmitTimer();
// Member data.
public:
protected:
private:
// The TCP service itself.
TcpClient *_client_socket;
// If this was an accepted client connection, _owner points
// to the parent TCP service. This will be NULL otherwise.
AppServer *_owner;
// The host to which we are connected.
std::string _host;
// Every time a message is sent, increment this counter.
int _messageCount;
// Initialize the random number generator once per process.
static int _initFlag;
// Class constants. Minimum and Maximum transmit timeout.
const static long MIN_SLEEP_TIME;
const static long MAX_SLEEP_TIME;
};
#endif