I3.h

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//
// Copyright (C) 2006 Institut fuer Telematik, Universitaet Karlsruhe (TH)
//
// 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.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//

#ifndef __I3_H__
#define __I3_H__

#include "I3Trigger.h"
#include "I3Identifier.h"
#include <omnetpp.h>
#include <OverlayKey.h>
#include "I3Message.h"
#include <BaseApp.h>

class I3TriggerSet : public std::set<I3Trigger>
{
    friend std::ostream& operator<<(std::ostream& os, const I3TriggerSet &t);
};

typedef std::map< I3Identifier, I3TriggerSet > I3TriggerTable;

class I3 : public BaseApp
{
protected:
    int numDroppedPackets;
    int byteDroppedPackets;

    int numForwardedPackets;
    int numForwardedBytes;

    int triggerTimeToLive;

    I3TriggerTable triggerTable;

    cMessage *expirationTimer;

    int numInitStages() const;

    virtual void initializeApp(int stage);

    virtual void deliver(OverlayKey &key, cMessage *msg);

    virtual void handleUDPMessage(cMessage *msg);

    virtual void handleTimerEvent(cMessage* msg);

    void sendQueryReply(const I3Identifier &id, const I3IPAddress &add);

    virtual void forward(OverlayKey *key, cPacket **msg, NodeHandle* nextHopNode);

    void updateTriggerTableString();

    virtual void finish();

public:
    I3TriggerTable &getTriggerTable();

    const I3Identifier *findClosestMatch(const I3Identifier &t) const;

    void insertTrigger(I3Trigger &t);

    void removeTrigger(I3Trigger &t);

    void sendPacket(I3SendPacketMessage *msg);

    void sendToNode(I3SendPacketMessage *imsg);

};

#endif