PastryNeighborhoodSet.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 __PASTRYNEIGHBORHOODSET_H
#define __PASTRYNEIGHBORHOODSET_H


#include <vector>

#include <omnetpp.h>

#include <NodeHandle.h>

#include "PastryStateObject.h"
#include "PastryTypes.h"
#include "PastryMessage_m.h"

class PastryNeighborhoodSet : public PastryStateObject
{
  public:

    void initializeSet(uint32_t numberOfNeighbors,
                       uint32_t bitsPerDigit,
                       const NodeHandle& owner);

    virtual void dumpToStateMessage(PastryStateMessage* msg) const;

    virtual const NodeHandle& findCloserNode(const OverlayKey& destination,
            bool optimize = false);

    void findCloserNodes(const OverlayKey& destination,
                         NodeVector* nodes);

    virtual bool mergeNode(const NodeHandle& node, simtime_t prox);

    virtual void dumpToVector(std::vector<TransportAddress>& affected) const;

    virtual const TransportAddress& failedNode(const TransportAddress& failed);

  private:

    uint32_t numberOfNeighbors;
    std::vector<PastryExtendedNode> neighbors;
    virtual void earlyInit(void);
};

std::ostream& operator<<(std::ostream& os, const PastryExtendedNode& n);


#endif