clistener.h

//==========================================================================
//  CLISTENER.H - part of
//                     OMNeT++/OMNEST
//            Discrete System Simulation in C++
//
//==========================================================================

/*--------------------------------------------------------------*
  Copyright (C) 1992-2008 Andras Varga
  Copyright (C) 2006-2008 OpenSim Ltd.

  This file is distributed WITHOUT ANY WARRANTY. See the file
  `license' for details on this and other legal matters.
*--------------------------------------------------------------*/

#ifndef __CLISTENER_H
#define __CLISTENER_H

#include "simtime_t.h"
#include "cobject.h"

NAMESPACE_BEGIN

class cComponent;

typedef int simsignal_t;

#define SIMSIGNAL_NULL   ((simsignal_t)-1)

enum SimsignalType
{
    SIMSIGNAL_UNDEF,
    SIMSIGNAL_BOOL,
    SIMSIGNAL_LONG,
    SIMSIGNAL_ULONG,
    SIMSIGNAL_DOUBLE,
    SIMSIGNAL_SIMTIME,
    SIMSIGNAL_STRING,
    SIMSIGNAL_OBJECT
};

class SIM_API cIListener
{
    friend class cComponent; // for subscribecount
    friend class cResultFilter; // for subscribecount
  private:
    int subscribecount;
  public:
    cIListener();
    virtual ~cIListener();

    virtual void receiveSignal(cComponent *source, simsignal_t signalID, bool b) = 0;

    virtual void receiveSignal(cComponent *source, simsignal_t signalID, long l) = 0;

    virtual void receiveSignal(cComponent *source, simsignal_t signalID, unsigned long l) = 0;

    virtual void receiveSignal(cComponent *source, simsignal_t signalID, double d) = 0;

    virtual void receiveSignal(cComponent *source, simsignal_t signalID, const SimTime& t) = 0;

    virtual void receiveSignal(cComponent *source, simsignal_t signalID, const char *s) = 0;

    virtual void receiveSignal(cComponent *source, simsignal_t signalID, cObject *obj) = 0;

    virtual void finish(cComponent *component, simsignal_t signalID) {}

    virtual void subscribedTo(cComponent *component, simsignal_t signalID) {}

    virtual void unsubscribedFrom(cComponent *component, simsignal_t signalID) {}

    int getSubscribeCount() const  { return subscribecount; }
};

class SIM_API cListener : public cIListener
{
  protected:
    virtual void unsupportedType(simsignal_t signalID, const char *dataType);
  public:
    virtual void receiveSignal(cComponent *source, simsignal_t signalID, bool b);
    virtual void receiveSignal(cComponent *source, simsignal_t signalID, long l);
    virtual void receiveSignal(cComponent *source, simsignal_t signalID, unsigned long l);
    virtual void receiveSignal(cComponent *source, simsignal_t signalID, double d);
    virtual void receiveSignal(cComponent *source, simsignal_t signalID, const SimTime& t);
    virtual void receiveSignal(cComponent *source, simsignal_t signalID, const char *s);
    virtual void receiveSignal(cComponent *source, simsignal_t signalID, cObject *obj);
};

NAMESPACE_END

#endif