Visual Servoing Platform  version 3.6.1 under development (2024-12-13)
testClient.cpp
1 /*
2  * ViSP, open source Visual Servoing Platform software.
3  * Copyright (C) 2005 - 2024 by Inria. All rights reserved.
4  *
5  * This software is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  * See the file LICENSE.txt at the root directory of this source
10  * distribution for additional information about the GNU GPL.
11  *
12  * For using ViSP with software that can not be combined with the GNU
13  * GPL, please contact Inria about acquiring a ViSP Professional
14  * Edition License.
15  *
16  * See https://visp.inria.fr for more information.
17  *
18  * This software was developed at:
19  * Inria Rennes - Bretagne Atlantique
20  * Campus Universitaire de Beaulieu
21  * 35042 Rennes Cedex
22  * France
23  *
24  * If you have questions regarding the use of this file, please contact
25  * Inria at visp@inria.fr
26  *
27  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
28  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
29  *
30  * Description:
31  * Test for TCP client/Server.
32  */
33 
40 #include <iostream>
41 #include <visp3/core/vpClient.h>
42 
43 int main()
44 {
45 #ifdef ENABLE_VISP_NAMESPACE
46  using namespace VISP_NAMESPACE_NAME;
47 #endif
48 // inet_ntop() used in vpClient is not supported on win XP
49 #ifdef VISP_HAVE_FUNC_INET_NTOP
50  try {
51  std::string servername = "localhost";
52  unsigned int port = 35000;
53 
54  vpClient client;
55  client.connectToHostname(servername, port);
56  // client.connectToIP("127.0.0.1",port);
57 
58  int val = 0;
59 
60  while (1) {
61  if (client.send(&val) != sizeof(int)) // Sending the new value to the first client
62  std::cout << "Error while sending" << std::endl;
63  else
64  std::cout << "Sending : " << val << std::endl;
65 
66  if (client.receive(&val) != sizeof(int)) // Receiving a value from the first client
67  std::cout << "Error while receiving" << std::endl;
68  else
69  std::cout << "Received : " << val << std::endl;
70  }
71  return EXIT_SUCCESS;
72  }
73  catch (const vpException &e) {
74  std::cout << "Catch an exception: " << e << std::endl;
75  return EXIT_FAILURE;
76  }
77 #else
78  std::cout << "This test doesn't work on win XP where inet_ntop() is not available" << std::endl;
79  return EXIT_SUCCESS;
80 #endif
81 }
This class represents a Transmission Control Protocol (TCP) client.
Definition: vpClient.h:168
bool connectToHostname(const std::string &hostname, const unsigned int &port_serv)
Definition: vpClient.cpp:69
error that can be emitted by ViSP classes.
Definition: vpException.h:60
int send(T *object, const int unsigned &sizeOfObject=sizeof(T))
int receive(T *object, const unsigned int &sizeOfObject=sizeof(T))
Definition: vpNetwork.h:290