4ec51b003a
git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1869 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
/**
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* \brief The WallclockTimer measures the elapsed time
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*
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* The WallclockTimer measures the time which is elapsed between start
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* and stop of the timer.
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*/
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#ifndef __WALLCLOCKTIMER_HPP__
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#define __WALLCLOCKTIMER_HPP__
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#include <string>
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#include <stdlib.h>
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#include <sys/time.h>
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namespace fail {
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/**
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* \class WallclockTimer
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*
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* The class WallclockTimer contains all functions for start,
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* stop, reset and to get the elapsed time.
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*/
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class WallclockTimer {
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private:
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bool m_IsRunning;
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struct timeval m_Start, m_End;
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public:
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WallclockTimer() : m_IsRunning(false) { }
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virtual ~WallclockTimer() { }
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/**
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* Starts the timer.
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*/
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void startTimer();
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/**
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* Returns the elapsed time as \c std::string. This works while the timer
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* is running, and if it is stopped.
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*/
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std::string getRuntimeAsString() const;
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/**
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* Returns the elapsed time as \c double. This works while the timer
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* is running, and if it is stopped.
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*/
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double getRuntimeAsDouble() const;
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/**
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* Stops the timer.
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*/
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void stopTimer();
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/**
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* Resets the timer. The timer is stopped after calling reset().
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*/
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void reset();
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/**
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* Returns the elapsed time as \c double. This works while the
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* timer is running, and if it is stopped.
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*/
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operator double() { return getRuntimeAsDouble(); }
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/**
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* Returns the elapsed time as \c int. This works while the timer
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* is running, and if it is stopped.
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*/
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operator int() { return (int)getRuntimeAsDouble(); }
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};
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inline std::ostream& operator<< (std::ostream& os, const WallclockTimer& w)
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{ return os << w.getRuntimeAsString(); }
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} // end-of-namespace: fail
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#endif // __WALLCLOCKTIMER_HPP__
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