GiaMessageBookkeeping.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 __GIAMESSAGEBOOKKEEPING_H_
#define __GIAMESSAGEBOOKKEEPING_H_

#include <vector>
#include <queue>
#include <map>

#include "GiaNeighbors.h"
#include "GiaMessage_m.h"
#include "GiaNode.h"


class GiaMessageBookkeeping
{
  public:

    GiaMessageBookkeeping( GiaNeighbors* neighbors, uint32_t timeout );

    ~GiaMessageBookkeeping();

    uint32_t getSize();

    void addMessage( GiaIDMessage* msg );

    void removeMessage( GiaIDMessage* msg );

    bool contains( GiaIDMessage* msg );

    NodeHandle getNextHop( GiaIDMessage* msg );

    void removeTimedoutMessages();

  protected:

class GiaNodeQueueCompare : public std::binary_function<FullGiaNodeInfo, FullGiaNodeInfo, FullGiaNodeInfo>
    {
    public:
        bool operator()(const FullGiaNodeInfo& x, const FullGiaNodeInfo& y);
    };

    struct MessageItem
    {
        std::vector<GiaNode> remainNodes; 
        simtime_t timestamp; 
    };
    std::map<OverlayKey, MessageItem> messages; 
    GiaNeighbors* neighbors; 
    uint32_t timeout; 
};

#endif