ExampleNetworkServer.cpp

this is an example for a network server

Author

MIP

/* 
This file is part of the BIAS library (Basic ImageAlgorithmS).

Copyright (C) 2003-2009    (see file CONTACT for details)
  Multimediale Systeme der Informationsverarbeitung
  Institut fuer Informatik
  Christian-Albrechts-Universitaet Kiel


BIAS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

BIAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with BIAS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/** @example ExampleNetworkServer.cpp
    @relates CScommServer
    @ingroup g_examples    
    @brief  this is an example for a network server
    @author MIP
*/

#ifdef WIN32
#include <windows.h>
#endif
#ifndef WIN32
#include <unistd.h>
#endif

#include <NetworkComm/CScommServer.hh>
#include <Base/Common/W32Compat.hh>

using namespace std;

int main (int /*argc*/, char** /*argv*/) 
{
  
  BIAS::CScommServer server;

  server.SetVerbose(true); // to see some msg
  // server.SetLog(true); // uncomment this to get all data send and received
  //  server.SetDebugLevel(D_CS_GETDATA);
  //server.SetDebugLevel(D_CS_ANALYZE);

  vector<float> floats;
  floats.push_back(-3);
  floats.push_back(-2);
  floats.push_back(-1);  
  string msg="LPOSHEAD";
  // register msg POSHEAD to be accepted 
  server.RegisterMsg(msg, BIAS::CS_FLOAT, 3);

  msg="RPOSHEAD";
  server.RegisterMsg(msg, BIAS::CS_INT, 1);
  vector<int> ints,intMsg;
  intMsg.push_back(-5);
  intMsg.push_back(+6);

  // now let the server accept connections
  server.WaitForConnections();

  vector<float> recFloats;
  std::vector<char> binData(8);
  binData[0]=']';
  binData[1]='b';
  binData[2]='i';
  binData[3]='n';
  binData[4]='a';
  binData[5]='r';
  binData[6]='y';
  binData[7]='[';

  bool endless=true;
  while (endless) {    
    // this msg will not be accepted by the exampleClient,
    // because it is not registered
    //    server.SendMsg(msg,floats);
    msg="LPOSHEAD";
    if (server.GetData(msg, recFloats)==0) {
      cout<<"New Data from client:"<<endl;
      for (unsigned int i=0;i<recFloats.size();i++)
        cout<<recFloats[i]<<" ";
      cout<<endl;
    }
    biassleep(1);

    msg="RPOSHEAD";
    if (server.GetData(msg, ints)==0) {
      cout<<"New Data from client:"<<endl;
      for (unsigned int i=0;i<ints.size();i++)
        cout<<ints[i]<<" ";
      cout<<endl;
    }
    // this sends only to exampleClient
    server.SendMsg("exampleClient","BINDATA",&binData[0],binData.size());
    
    // this sends to all connected partners
    server.SendMsg("RPOSHEAD",intMsg);
  }
}