/*
 * TimingCore.h
 *
 *  Created on: 13 May 2016
 *      Author: wentzelc
 */

#ifndef REDACORE_TIMINGCORE_H_
#define REDACORE_TIMINGCORE_H_

// Standard C/C++ Libraries
#include <sys/time.h>
#include <time.h>
#include <limits.h>

// redA Libraries
/* none */

//---------------------------------------------------------------------------

// Set interval (not for timer)
inline void SetInterval( timeval * Time, long MilliSeconds ) {
    Time->tv_sec  = MilliSeconds / 1000;
    Time->tv_usec = (MilliSeconds % 1000) * 1000;
};

// Mark start time
inline void SetStartTime( timeval *StartTime ) {
    gettimeofday( StartTime, NULL );
};

// Clear timer
inline void ClearStartTime( timeval * StartTime ) {
    StartTime->tv_sec = 0;
    StartTime->tv_usec = 0;
};

// Time passed since start time
inline long TimePassed( timeval StartTime ) {
    timeval CurrTime;
    long    Duration;

    gettimeofday( &CurrTime, NULL );
    Duration = (CurrTime.tv_sec - StartTime.tv_sec) * (time_t)1000 +
               (CurrTime.tv_usec - StartTime.tv_usec) / (time_t)1000;
    if (Duration < 0)
        Duration = LONG_MAX;
    return Duration;
};

// Time remaining from Start time to given time out
inline long TimeLeft( timeval StartTime, long MilliSeconds ) {
    return (MilliSeconds - TimePassed(StartTime));
};

// Has give time expired after start time
inline bool Timeout( timeval StartTime, long MilliSeconds ) {
    return ((TimePassed(StartTime) > MilliSeconds)? true : false);
};

//---------------------------------------------------------------------------

#endif /* REDACORE_TIMINGCORE_H_ */