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 __PASTRY_H_ 00025 #define __PASTRY_H_ 00026 00027 #include <vector> 00028 #include <map> 00029 #include <queue> 00030 #include <algorithm> 00031 00032 #include <omnetpp.h> 00033 #include <IPvXAddress.h> 00034 00035 #include <OverlayKey.h> 00036 #include <NodeHandle.h> 00037 #include <BaseOverlay.h> 00038 #include <BasePastry.h> 00039 00040 #include "PastryTypes.h" 00041 #include "PastryMessage_m.h" 00042 #include "PastryRoutingTable.h" 00043 #include "PastryLeafSet.h" 00044 #include "PastryNeighborhoodSet.h" 00045 00046 00047 00054 class Pastry : public BasePastry 00055 { 00056 public: 00057 virtual ~Pastry(); 00058 00059 // see BaseOverlay.h 00060 virtual void initializeOverlay(int stage); 00061 00062 // see BaseOverlay.h 00063 virtual void handleTimerEvent(cMessage* msg); 00064 00065 // see BaseOverlay.h 00066 virtual void handleUDPMessage(BaseOverlayMessage* msg); 00067 00068 void handleStateMessage(PastryStateMessage* msg); 00069 00070 protected: 00071 00077 virtual void changeState(int toState); 00078 00079 private: 00080 00081 simtime_t secondStageInterval; 00082 simtime_t ringCheckInterval; 00083 simtime_t discoveryTimeoutAmount; 00084 bool partialJoinPath; 00085 00086 int depth; 00087 00088 int updateCounter; 00089 00090 bool useSecondStage; 00091 bool sendStateAtLeafsetRepair; 00092 bool pingBeforeSecondStage; 00093 00094 bool overrideOldPastry; 00095 bool overrideNewPastry; 00096 00097 cMessage* secondStageWait; 00098 cMessage* ringCheck; 00099 cMessage* discoveryTimeout; 00100 cMessage* repairTaskTimeout; 00101 00105 void doSecondStage(void); 00106 00115 bool handleFailedNode(const TransportAddress& failed); 00116 00121 void checkProxCache(void); 00122 00123 void processState(void); 00124 00125 bool mergeState(void); 00126 00127 void endProcessingState(void); 00128 00132 void doJoinUpdate(void); 00133 00134 // see BaseOverlay.h 00135 virtual void joinOverlay(); 00136 00137 }; 00138 00139 00140 00141 #endif
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