Timer.hpp

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// Timer.hpp
//
// created: June 6, 2011
//
// Mit "-lrt" linken!!
//

#ifndef TIMER_HPP
#define TIMER_HPP

#include "../BasicDatatypes.hpp"
#include "Time.hpp"


class Timer
{
public:

        Timer();

        virtual ~Timer ();

        void restart();

        // Starts the watchdog timer, with the given timeout interval.
        // Note that no action is taken, but the timer has to be queried using
        // isElapsed().
        void startWatchdog(TimeDuration watchdogTime);

        // Returns true if the given timeout interval has elapsed.
        bool isElapsed();

        // Restarts the timer.
        void reset();

        // Returns the elapsed time in seconds since the timer was started or restarted.
        TimeDuration elapsed () const;
//      double elapsed () const;

        UINT32 elapsedMilliseconds () const;

        UINT32 elapsedMicroseconds () const;

        UINT32 elapsedMillisecondsSinceLastCall();      
        UINT32 elapsedMicrosecondsSinceLastCall();      
        
//      static timeval now();   // Returns the current time

private:
        Time m_startTime;
        TimeDuration m_watchdogTime;    // Zeitintervall des Watchdog
};

#endif // TIMER_HPP