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00001 
00007 /* Copyright, 2000, 2001 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_STOP_WATCH_H
00027 #define NL_STOP_WATCH_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/time_nl.h"
00031 #include <deque>
00032 
00033 
00034 namespace NLMISC {
00035 
00036 
00037 typedef uint32 TTickDuration;
00038 typedef uint32 TMsDuration;
00039 
00040 
00048 class CStopWatch
00049 {
00050 public:
00051 
00053         CStopWatch( uint queueLength=0 );
00054 
00055 
00056         
00058         void                                            start();
00059 
00061         void                                            pause();
00062 
00064         void                                            resume();
00065 
00067         void                                            addTime( TTickDuration t );
00068 
00070         void                                            stop();
00071 
00073         void                                            addMeasurement( TTickDuration t );
00074 
00075 
00076 
00078         TMsDuration                                     getDuration() const;
00079 
00081         TMsDuration                                     getPartialAverage() const;
00082 
00084         TMsDuration                                     getAverageDuration() const;
00085 
00086 
00087         
00089         TTickDuration                           sumTicks() const { return _SumTicks; }
00090 
00092         uint32                                          measurementNumber() const { return _MeasurementNumber; }
00093 
00094 private:
00095 
00096         TTicks                                          _BeginTime;
00097         TTickDuration                           _ElapsedTicks;
00098 
00099         TTickDuration                           _SumTicks;
00100         uint32                                          _MeasurementNumber;
00101 
00102         std::deque<TTickDuration>       _Queue;
00103         uint                                            _QLength;
00104 };
00105 
00106 
00107 } // NLMISC
00108 
00109 
00110 #endif // NL_STOP_WATCH_H
00111 
00112 /* End of stop_watch.h */