CSMAMacLayer.h

#ifndef CSMAMAC_LAYER_H
#define CSMAMAC_LAYER_H

#include <list>
#include <PhyUtils.h>
#include <BaseMacLayer.h>
#include <BaseUtility.h>
#include <MacPkt_m.h>
#include <SimpleAddress.h>
#include <MacToPhyInterface.h>


class  CSMAMacLayer : public BaseMacLayer
{
  public:
  virtual ~CSMAMacLayer();

  protected:
    typedef std::list<cPacket*> MacQueue;

    enum States {
        RX,
        CCA,
        TX,
    };

    States macState;

    double slotDuration;

    double difs;

    MacQueue macQueue;

    unsigned queueLength;

    cMessage* backoffTimer;

    cMessage* minorMsg;

    unsigned txAttempts;

    unsigned maxTxAttempts;

    double bitrate;

    double txPower;

    unsigned initialCW;

    double nbBackoffs;

    double backoffValues;

    unsigned long nbTxFrames;

    //DroppedPacket droppedPacket;

    //int catDroppedPacket;

    //int nicId;

protected:
    virtual void initialize(int);

    virtual void finish();

    virtual void handleLowerMsg(cMessage*);

    virtual void handleUpperMsg(cMessage*);

    virtual void handleSelfMsg(cMessage*);

    virtual void handleLowerControl(cMessage *msg);

    virtual void scheduleBackoff();

    virtual MacPkt* encapsMsg(cPacket* pkt);
};

#endif