Visual Servoing Platform  version 3.0.1
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testServer.cpp

Example of a TCP client/server.

/****************************************************************************
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2017 by Inria. All rights reserved.
*
* This software is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact Inria about acquiring a ViSP Professional
* Edition License.
*
* See http://visp.inria.fr for more information.
*
* This software was developed at:
* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
*
* If you have questions regarding the use of this file, please contact
* Inria at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Description:
* Test for TCP client/Server.
*
* Authors:
* Aurelien Yol
*
*****************************************************************************/
#include <iostream>
#include <visp3/core/vpServer.h>
int main()
{
try {
int port = 35000;
vpServer serv(port); //Launch the server on localhost
serv.start();
bool run = true;
int val;
while(run){
if(serv.getNumberOfClients() > 0)
{
if(serv.receive(&val) != sizeof(int)) //Receiving a value from the first client
std::cout << "Error while receiving" << std::endl;
else
std::cout << "Received : " << val << std::endl;
val = val+1;
if(serv.send(&val) != sizeof(int)) //Sending the new value to the first client
std::cout << "Error while sending" << std::endl;
else
std::cout << "Sending : " << val << std::endl;
}
}
return 0;
}
catch(vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
return 1;
}
}