Visual Servoing Platform  version 3.2.0 under development (2018-08-16)
testClient.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 as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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/vpClient.h>
int main()
{
// inet_ntop() used in vpClient is not supported on win XP
#ifdef VISP_HAVE_FUNC_INET_NTOP
try {
std::string servername = "localhost";
unsigned int port = 35000;
vpClient client;
client.connectToHostname(servername, port);
// client.connectToIP("127.0.0.1",port);
int val = 0;
while (1) {
if (client.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;
if (client.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;
}
return 0;
} catch (const vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
return 1;
}
#else
std::cout << "This test doesn't work on win XP where inet_ntop() is not available" << std::endl;
return EXIT_SUCCESS;
#endif
}