AlohaMacLayer.h

/* -*- mode:c++ -*- ********************************************************
 * file:        AlohaMacLayer.h
 *
 * author:      Marc Loebbers, Yosia Hadisusanto
 *
 * 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
 ***************************************************************************/


#ifndef ALOHAMAC_LAYER_H
#define ALOHAMAC_LAYER_H

#include <list>
#include <ActiveChannel.h>
#include <BasicMacLayer.h>

#include "RadioState.h"
#include "SingleChannelRadio.h"


class  AlohaMacLayer : public BasicMacLayer
{
  public:
    Module_Class_Members(AlohaMacLayer, BasicMacLayer, 0);

    virtual void initialize(int);

    virtual void finish();

    virtual void handleUpperMsg(cMessage*);

    virtual void handleSelfMsg(cMessage*);

    virtual void handleLowerControl(cMessage *msg);

    virtual void receiveBBItem(int category, const BBItem *details, int scopeModuleId);

  protected:
    typedef std::list<MacPkt*> MacQueue;
    
    enum States {
        RX,
        TX,
    };

    States macState;
    
    RadioState::States radioState;
    int catRadioState;
    
    SingleChannelRadio* radio;
    
    MacQueue macQueue;
    
    unsigned int queueLength;

    void prepareSend();

};

#endif

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