Visual Servoing Platform  version 3.4.0
testClient.cpp

Example of a TCP client/server.

/****************************************************************************
*
* ViSP, open source Visual Servoing Platform software.
* Copyright (C) 2005 - 2019 by Inria. All rights reserved.
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* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
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*
* 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
}