AbstractQueue.h

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//
// Copyright (C) 2004, 2008 Andras Varga
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program; if not, see <http://www.gnu.org/licenses/>.
//

#ifndef __INET_ABSTRACTQUEUE_H
#define __INET_ABSTRACTQUEUE_H

#include <omnetpp.h>
#include "INETDefs.h"


class INET_API AbstractQueue : public cSimpleModule
{
  public:
    AbstractQueue();
    virtual ~AbstractQueue();

  private:
    cPacket *msgServiced;
    cMessage *endServiceMsg;

  private:
    void doStartService();
    void doEndService();

  protected:
    cPacketQueue queue;

    virtual void initialize();
    virtual void handleMessage(cMessage *msg);

    virtual void arrival(cPacket *msg) = 0;

    virtual cPacket *arrivalWhenIdle(cPacket *msg) = 0;

    virtual simtime_t startService(cPacket *msg) = 0;

    virtual void endService(cPacket *msg) = 0;
};

#endif