RemoteDevice.h

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// ----------------------------------------------------------------------------
//
// $Id$
//
// Copyright 2008, 2009, 2010, 2011, 2012  Antonio Franchi and Paolo Stegagno    
//
// This file is part of MIP.
//
// MIP is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// MIP 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with MIP. If not, see <http://www.gnu.org/licenses/>.
//
// Contact info: antonio.franchi@tuebingen.mpg.de stegagno@diag.uniroma1.it
//
// ----------------------------------------------------------------------------




#ifndef __REMOTE_DEVICE_H_
#define __REMOTE_DEVICE_H_

#include <socketUDP.h>
#include <CommonOptions.h>

#include <resources.h>
#include <CommModule.h>

#include <SsUtils.h>

namespace MipResources{
/* @{ */


extern "C" void RDWork(void* p);

extern "C" void RDClean(void* p);


class RemoteDeviceOptions : public Options {
 public:
  IntOption*  recipientPort;
  IntOption*  baseRecipientPort;
  StringOption* recipientAddr;
  IntOption*  listenerPort;
  IntOption*  baseListenerPort;

  RemoteDeviceOptions();

  string getObjectName() const {
   return "RemoteDeviceOptions";
  }
};

 class RemoteDevice : public Resource{
 private:
  static const ResourcePlate _plate = REM_DEV_RES;
  
  RemoteDeviceOptions _remDevOptions;

  int _myId;
  
  Timer _timer;
  
   Thread _RDThread;
  
  SenderUDP*  _sender;
  ListenerUDP* _listener;
  
  int   _recipientPort;
  string _recipientAddr;
  
  int   _listenerPort;
  
  pthread_mutex_t _receiveMutex;
  
  string _lastMessage;
  bool   _messageToRead;
  int   _lostMessages;

 public:
  
  RemoteDevice(int argc, const char* argv[]);
  
  ~RemoteDevice();

  ResourcePlate getPlate() const {
   return _plate;
  }
  
  void send(string &message);
  
  bool getLastMessage(string &message);
  
  int getLostMessages();
  
  void resetLostMessages();
  
  void RDReceive(){
   while(_listener->lSelect() == 1){
    pthread_mutex_lock(&_receiveMutex);
    _listener->receive(_lastMessage,_recipientAddr);
    if(_messageToRead == true){
     _lostMessages++;
    }
//     cout << " _lastMessage size (" << _lastMessage.size() <<")" << _timer.print() << endl;
    _messageToRead = true;
    pthread_mutex_unlock(&_receiveMutex);
   }
   _timer.reset();
  }
};

/* @} */
 
};// end namespace MipResources{

#endif