clstimer.h

set of classes for timing applications

#ifndef CLSTIMER_H
#define CLSTIMER_H

#include <time.h>
#include <sys/time.h>

typedef struct timeval strPrecTime;
struct tm;

class clsTimer
{
    public:
        enum    eIntervals  { eitNoInterval , eitDays , eitWeeks , eitMonths, eitYears , eitContinous };

        clsTimer();
        ~clsTimer();
        long    SetStartTime    ( long lStartTime = 0 );
        long    SetStartTime    ( long iHour , long iMinute );
        long    SetInterval     ( long iHour , long iMinute , long iSec = 0 );
        long    SetInterval     ( long iSec );
        long    GetNextTime     ( ) { return m_lNextTime; };   //daje vrijeme sljedeceg dogadjaja bez izracunavanja
        long    GetInterval     ( ) { return m_lIntervalSec; };//daje longerval ponavljanja
        long    UpdateNextTime  ( );                          //izracunava vrijeme sljedeceg dogadjaja
        long    IsIntervalOver  ( );

        static char*    GetTimeString   ( long lUnixTime );
        static long     AddInterval     ( long lUnixTime , unsigned long lIntervalType , unsigned long lIntervalAmount );
        static long     AddInterval     ( tm& rTm , unsigned long lIntervalType , unsigned long lIntervalAmount );
        static long     AdjustDstError  ( tm& rTm );
        static long     GetStartStopTime( unsigned long lType , unsigned long lAmount , long& lStart , long& lStop );

        static long     GetStartTime    ( int lIntervalType , int lIntervalAmount );
        //lIntervalType - day, week, month...
        //lIntervalAmount - 0 current, -1 previous, +1 next...

  protected:
        long  m_lStartHour;
        long  m_lStartMin;
        long  m_lIntervalSec;
        long  m_lStartEntered;
        long  m_lIntervalEntered;
        long  m_lNextTime;

  private:

};

class clsPrecTimer
{
    public:
        enum    eRetVal { NoError };

        clsPrecTimer();
        ~clsPrecTimer();

                void    SetToZero   ( );
                void    SetToNow    ( );

        inline  bool    IntervalActive      ( ) const { return m_sTime.tv_sec ? true : false; }
                int     InitInterval        ( unsigned int iSecs , unsigned int iMSecs );
                int     StopTimer           ( );
                bool    IntervalFinished    ( ) const;
                bool    IntervalFinished    ( long lTimeNowSec , long lTimeNowUSec ) const;
                bool    IntervalFinished    ( const clsPrecTimer& rEndTime ) const;
                bool    IntervalFinished    ( const strPrecTime& rEndTime ) const;

        static strPrecTime  TimeNow ( );
        static strPrecTime  TimeZero( );
        static  bool    TimeoutEnd  ( const strPrecTime& rStart , const strPrecTime& rNow , long lIntervalMSecs );

    protected:
        strPrecTime     m_sTime;
};

#endif