Visual Servoing Platform  version 3.4.1 under development (2021-12-05)
vpUDPServer.h
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30  *
31  * Description:
32  * UDP Server
33  *
34  *****************************************************************************/
35 
36 #ifndef _vpUDPServer_h_
37 #define _vpUDPServer_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 
197 class VISP_EXPORT vpUDPServer
198 {
199 public:
200  vpUDPServer(int port);
201  vpUDPServer(const std::string &hostname, int port);
202  virtual ~vpUDPServer();
203 
204  int receive(std::string &msg, int timeoutMs = 0);
205  int receive(std::string &msg, std::string &hostInfo, int timeoutMs = 0);
206  int send(const std::string &msg, const std::string &hostname, int port);
207 
208 private:
209  char m_buf[VP_MAX_UDP_PAYLOAD];
210  struct sockaddr_in m_clientAddress;
211  int m_clientLength;
212  struct sockaddr_in m_serverAddress;
213 #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) // UNIX
214  int m_socketFileDescriptor;
215 #else
216  SOCKET m_socketFileDescriptor;
217  WSADATA m_wsa;
218 #endif
219 
220  void init(const std::string &hostname, int port);
221 };
222 
223 #endif
224 #endif
This class implements a basic (IPv4) User Datagram Protocol (UDP) server.
Definition: vpUDPServer.h:197