SnrEval.h

/* -*- mode:c++ -*- ********************************************************
 * file:        SnrEval.h
 *
 * copyright:   (C) 2004-6 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: - SnrEval class
 *              - mains tasks are to determine the SNR for a message and
 *                to simulate a transmission delay
 *
 ***************************************************************************/


#ifndef SNR_EVAL_H
#define SNR_EVAL_H

#include <BasicSnrEval.h>
#include "RadioState.h"
#include "RSSI.h"
#include "MediumIndication.h"

#include <list>
class SnrEval : public BasicSnrEval
{
    Module_Class_Members( SnrEval, BasicSnrEval, 0 );

public:
    virtual void initialize(int);

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

protected:
    
    virtual void handleLowerMsgStart(AirFrame*);

    virtual void handleLowerMsgEnd(AirFrame*);

    
    virtual double calcRcvdPower(AirFrame* frame) {
        return calcPathloss(frame);
    }

    double calcPathloss(AirFrame* frame);

    void addNewSnr();

    void handlePublish(RSSI *r);
  
    void modifySnrList(SnrList& list);

    virtual double calcDuration(cMessage* m) {
        return static_cast<double>(m->length()) / bitrate;
    }
    
    
protected:
    struct SnrStruct{
        AirFrame* ptr;
        double rcvdPower;
        SnrList sList;
    };

    SnrStruct snrInfo;

    typedef std::map<AirFrame*,double> cRecvBuff;

    cRecvBuff recvBuff;

    RadioState::States radioState;
    int catRadioState;
    
    RSSI rssi;
    int catRSSI;
    bool publishRSSIAlways;

    MediumIndication indication;
    int catIndication;

    int nicModuleId;
    
    double noiseLevel;

    double recvTime;
    
    double waveLength;
  
    double thermalNoise;

    double pathLossAlphaHalf;
    
    static const double speedOfLight;

    bool useTorus;
    
    Coord playground;

    double bitrate;
    int catBitrate;
};

#endif

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