RateEstimator.h

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00001 /*
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00007  * Intel Open Source License 
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00038 
00039 #ifndef _RATE_ESTIMATOR_H_
00040 #define _RATE_ESTIMATOR_H_
00041 
00042 #include "../thread/Timer.h"
00043 
00044 namespace oasys {
00045 
00051 class RateEstimator : public Timer {
00052 public:
00053     RateEstimator(int *var, int interval, double weight = 0.125);
00054     double rate() { return rate_; }
00055     virtual void timeout(struct timeval* now);
00056     
00057 protected:
00058     int* var_;          
00059     double rate_;       
00060     int lastval_;       
00061     int interval_;      
00062     timeval lastts_;    
00063     double weight_;     
00064 };
00065 
00066 } // namespace oasys
00067 
00068 #endif /* _RATE_ESTIMATOR_H_ */

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