Flood.h

/* -*- mode:c++ -*- ********************************************************
 * file:        Flood.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: a simple flooding protocol
 *              the user can decide whether to use plain flooding or not
 **************************************************************************/


#ifndef _FLOOD_H_
#define _FLOOD_H_

#include <BaseNetwLayer.h>
#include <list>


class Flood : public BaseNetwLayer
{
protected:
    unsigned long seqNum;

    int defaultTtl;

    bool plainFlooding;

    class Bcast {
    public:
        unsigned long seqNum;
        int srcAddr;
        simtime_t delTime;
    public:
        Bcast(unsigned long n=0, int s=0,  simtime_t d=0) :
            seqNum(n), srcAddr(s), delTime(d) {
        }
    };

    typedef std::list<Bcast> cBroadcastList;

    cBroadcastList bcMsgs;

    unsigned int bcMaxEntries;

    simtime_t bcDelTime;

public:


    virtual void initialize(int);
    virtual void finish();    

protected:

    long nbDataPacketsReceived;
    long nbDataPacketsSent;
    long nbDataPacketsForwarded;
    long nbHops;

    virtual void handleUpperMsg(cMessage *);

    virtual void handleLowerMsg(cMessage *);

    virtual void handleSelfMsg(cMessage* msg) {};
    
    bool notBroadcasted( NetwPkt* );

    //overloading encaps method
    NetwPkt* encapsMsg(cPacket*);
};

#endif