Visual Servoing Platform version 3.6.0
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vpUDPClient.h
1/*
2 * ViSP, open source Visual Servoing Platform software.
3 * Copyright (C) 2005 - 2023 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 * UDP Client
32 */
33
34#ifndef _vpUDPClient_h_
35#define _vpUDPClient_h_
36
37#include <visp3/core/vpConfig.h>
38
39// inet_ntop() not supported on win XP
40#ifdef VISP_HAVE_FUNC_INET_NTOP
41
42#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) // UNIX
43#include <netinet/in.h>
44#include <sys/socket.h>
45#include <sys/types.h>
46#else
47#include <winsock2.h>
48#endif
49
50#include <visp3/core/vpException.h>
51
52#define VP_MAX_UDP_PAYLOAD 508
53
166class VISP_EXPORT vpUDPClient
167{
168public:
169 vpUDPClient();
170 vpUDPClient(const std::string &hostname, int port);
171 virtual ~vpUDPClient();
172
175 void init(const std::string &hostname, int port);
176
177 int receive(std::string &msg, int timeoutMs = 0);
178 int receive(void *msg, size_t len, int timeoutMs = 0);
179 int send(const std::string &msg);
180 int send(const void *msg, size_t len);
182
183protected:
185
186private:
187 char m_buf[VP_MAX_UDP_PAYLOAD];
188 struct sockaddr_in m_serverAddress;
189 int m_serverLength;
190#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) // UNIX
191 int m_socketFileDescriptor;
192#else
193 SOCKET m_socketFileDescriptor;
194 WSADATA m_wsa;
195#endif
196
197 void close();
198};
199
200#endif
201#endif
This class implements a basic (IPv4) User Datagram Protocol (UDP) client.