PollApplLayer.h

/* -*- mode:c++ -*- ********************************************************
 * file:        PollApplLayer.h
 *
 * author:      Daniel Willkomm
 *
 * copyright:   (C) 2004 Telecommunication Networks Group (TKN) at
 *              Technische Universitaet Berlin, Germany.
 *
 *              This program 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 2 of the License, or (at your option) any later 
 *              version.
 *              For further information see file COPYING 
 *              in the top level directory
 ***************************************************************************
 * part of:     framework implementation developed by tkn
 * description: application layer for a simple bse station who polls all 
 *              clients in a round-robin manner
 **************************************************************************/


#ifndef POLL_APPL_LAYER_H
#define POLL_APPL_LAYER_H

#include "ClientApplLayer.h"
#include <map>


class PollApplLayer : public ClientApplLayer
{
 public:
  Module_Class_Members( PollApplLayer, ClientApplLayer, 0 );
  virtual void initialize(int);

  virtual void finish();

 protected:
  int numClients;

  int aliveClients;

  double broadcastInterval;

  double pollTimeout;

  typedef std::map<int,bool> cAliveMap;
  typedef std::map<int,int> cNetwAddrMap;
  typedef cAliveMap::iterator cAliveMapIterator;

  cAliveMap clients;

    cNetwAddrMap clientAddrs;

  cAliveMapIterator it;

  cMessage* pollTimer;


  virtual void handleLowerMsg(cMessage*);

  virtual void handleSelfMsg(cMessage*);
  
  void sendBroadcast();

  void sendPoll(int);

  void pollNext();
};

#endif
 

---