ExampleNetworkClient.cpp

this is an example for a network client

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 ExampleNetworkClient.cpp
    @relates CScommClient
    @ingroup g_examples    
    @brief  this is an example for a network client
    @author MIP
*/

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

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

#include <Base/Common/W32Compat.hh>
#include <NetworkComm/CScommClient.hh>
#include <cstdlib>


using namespace std;
int main (int argc, char* argv[]) 
{
  if (argc<2) {
    cout<<"usage:"<<argv[0]<<" serverName"<<endl;
    exit(0);
  }

  BIAS::CScommClient client(true);

  // if u dont give a name the hostname is taken
  client.SetName(string("exampleClient"));

  client.SetVerbose(true); // to get some msgs
  client.SetLog(true); // to get all messages
  //  client.SetDebugLevel(D_CS_ANALYZE);

  string msg="RPOSHEAD";
  // register a msg which will be accepted from the server
  client.RegisterMsg(msg, BIAS::CS_FLOAT, 2);
  client.RegisterMsg("BINDATA",BIAS::CS_BINARY);

  // now connect the server
  cout<<"Connection returned:"<<
    client.ConnectServer(string(argv[1]))<<endl;

  // send a msg, this kind of MSG has to be registered at the server side
  vector<float> floats;
  floats.push_back(0.1f);
  floats.push_back(0.2f);
  //  floats.push_back(0.3);  
 
  vector<int> ints;
  ints.push_back(-123);  
  client.SendMsg(msg,ints);

  floats.push_back(0.4f);
  // this is a invalid msg now, because 4 floats are send,
  // while only 3 are registered for this msg
  //client.SendMsg(msg,floats);
  std::vector<char> binData;
  floats.resize(1); // and valid again
  bool endlessLoop=true;
  while (endlessLoop) 
  {

    biassleep(1);

    client.SendMsg(msg,ints);
    if (client.GetData(msg, floats)==0) {
      cout<<"New Data from server:"<<endl;
      for (unsigned int i=0;i<floats.size();i++)
        cout<<floats[i]<<" ";
      cout<<endl;
    }
    if (client.GetData("BINDATA", binData)==0) {
      cout<<"New binary Data from server:"<<endl;
      for (unsigned int i=0;i<binData.size();i++)
        cout<<binData[i];
      cout<<endl;
    }
  }
}