Visual Servoing Platform version 3.5.0
vpUDPClient.h
1/****************************************************************************
2 *
3 * ViSP, open source Visual Servoing Platform software.
4 * Copyright (C) 2005 - 2019 by Inria. All rights reserved.
5 *
6 * This software is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 * See the file LICENSE.txt at the root directory of this source
11 * distribution for additional information about the GNU GPL.
12 *
13 * For using ViSP with software that can not be combined with the GNU
14 * GPL, please contact Inria about acquiring a ViSP Professional
15 * Edition License.
16 *
17 * See http://visp.inria.fr for more information.
18 *
19 * This software was developed at:
20 * Inria Rennes - Bretagne Atlantique
21 * Campus Universitaire de Beaulieu
22 * 35042 Rennes Cedex
23 * France
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26 * Inria at visp@inria.fr
27 *
28 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30 *
31 * Description:
32 * UDP Client
33 *
34 *****************************************************************************/
35
36#ifndef _vpUDPClient_h_
37#define _vpUDPClient_h_
38
39#include <visp3/core/vpConfig.h>
40
41// inet_ntop() not supported on win XP
42#ifdef VISP_HAVE_FUNC_INET_NTOP
43
44#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) // UNIX
45# include <netinet/in.h>
46# include <sys/socket.h>
47# include <sys/types.h>
48#else
49# include <winsock2.h>
50#endif
51
52#include <visp3/core/vpException.h>
53
54#define VP_MAX_UDP_PAYLOAD 508
55
168class VISP_EXPORT vpUDPClient
169{
170public:
171 vpUDPClient();
172 vpUDPClient(const std::string &hostname, int port);
173 virtual ~vpUDPClient();
174
177 void init(const std::string &hostname, int port);
178
179 int receive(std::string &msg, int timeoutMs = 0);
180 int receive(void *msg, size_t len, int timeoutMs = 0);
181 int send(const std::string &msg);
182 int send(const void *msg, size_t len);
184
185protected:
187
188private:
189 char m_buf[VP_MAX_UDP_PAYLOAD];
190 struct sockaddr_in m_serverAddress;
191 int m_serverLength;
192#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) // UNIX
193 int m_socketFileDescriptor;
194#else
195 SOCKET m_socketFileDescriptor;
196 WSADATA m_wsa;
197#endif
198
199 void close();
200};
201
202#endif
203#endif
This class implements a basic (IPv4) User Datagram Protocol (UDP) client.
Definition: vpUDPClient.h:169
bool m_is_init
Definition: vpUDPClient.h:186