GiaTokenFactory.h

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00001 //
00002 // Copyright (C) 2006 Institut fuer Telematik, Universitaet Karlsruhe (TH)
00003 //
00004 // This program is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU General Public License
00006 // as published by the Free Software Foundation; either version 2
00007 // of the License, or (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00017 //
00018 
00024 #ifndef __GIATOKENFACTORY_H_
00025 #define __GIATOKENFACTORY_H_
00026 
00027 
00028 #include <vector>
00029 #include <queue>
00030 
00031 #include <omnetpp.h>
00032 
00033 #include <InitStages.h>
00034 
00035 class Gia;
00036 #include "GiaNeighbors.h"
00037 
00038 
00045 class GiaTokenFactory : public cSimpleModule
00046 {
00047   public:
00048     // OMNeT++ methodes
00052     virtual int numInitStages() const
00053     {
00054         return MAX_STAGE_OVERLAY + 1;
00055     }
00056 
00061     virtual void initialize( int stage );
00062 
00067     virtual void handleMessages( cMessage* msg );
00068 
00069     // class methodes
00074     virtual void setNeighbors( GiaNeighbors* neighbors );
00075 
00080     void setMaxHopCount( uint32_t maxHopCount);
00081 
00085     virtual void grantToken();
00086 
00087   protected:
00088 
00089     Gia* gia;
00090 
00091     // sort rules for priority queue
00092 class tokenCompareGiaNode : public std::binary_function<FullGiaNodeInfo, FullGiaNodeInfo, FullGiaNodeInfo>
00093     {
00094     public:
00095         bool operator()(const FullGiaNodeInfo& x, const FullGiaNodeInfo& y);
00096     };
00097 
00098     typedef std::priority_queue<FullGiaNodeInfo, std::vector<FullGiaNodeInfo>, tokenCompareGiaNode> TokenQueue;
00099     TokenQueue tokenQueue; 
00100     GiaNeighbors* neighbors; 
00101     std::vector<GiaNode> tokenQueueVector; 
00102     uint32_t maxHopCount; 
00104     // statistics
00105     uint32_t stat_sentTokens; 
00110     void createPriorityQueue();
00111 
00115     void clearTokenQueue();
00116 
00120     void updateQueueVector();
00121 
00125     void updateSentTokens();
00126 
00130     void sendToken();
00131 };
00132 
00133 #endif
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