Simulator.h

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00001 /*
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00006  * 
00007  * Intel Open Source License 
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00009  * Copyright (c) 2004 Intel Corporation. All rights reserved. 
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00018  *   Redistributions in binary form must reproduce the above copyright
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00038 #include <queue>
00039 #include <oasys/debug/DebugUtils.h>
00040 #include <oasys/debug/Log.h>
00041 
00042 #include "SimEvent.h"
00043 #include "SimEventHandler.h"
00044 
00045 namespace dtnsim {
00046 
00050 class Simulator : public oasys::Logger, public SimEventHandler {
00051 public:
00055     static Simulator* instance() {
00056         if (instance_ == NULL) {
00057             PANIC("Simulator::init not called yet");
00058         }
00059         return instance_;
00060     }
00061 
00065     static void init(Simulator* instance) {
00066         if (instance_ != NULL) {
00067             PANIC("Simulator::init called multiple times");
00068         }
00069         instance_ = instance;
00070     }
00071 
00072     static double time() { return time_; }
00073 
00077     Simulator();
00078     
00082     virtual ~Simulator() {}
00083 
00087     static void post(SimEvent *e);
00088     
00092     void exit();
00093 
00097     void run();
00098     
00099     static double runtill_;             
00100     
00101 protected:
00102     static Simulator* instance_;        
00103     void process(SimEvent* e);          
00104 
00105 private:
00106     
00107     static double time_;        
00108 
00109     bool is_running_;   
00110 
00111                      
00112     
00113     std::priority_queue<SimEvent*,
00114                         std::vector<SimEvent*>,
00115                         SimEventCompare> eventq_;
00116 };
00117 
00118 } // namespace dtnsim
00119     

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