JDAQToolkit.hh

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#ifndef __JDAQTOOLKIT__
#define __JDAQTOOLKIT__

#include <cmath>

#include "TTimeStamp.h"

#include "km3net-dataformat/online/JDAQUTCExtended.hh"
#include "km3net-dataformat/online/JDAQClock.hh"


/**
 * \file
 *
 * \author mdejong
 */
namespace KM3NETDAQ {

  /**
   * Get DAQ UTC time.
   *
   * \param  t0                time stamp
   * \param  t1                time offset [ns]
   * \return                   UTC time
   */
  JDAQUTCExtended getDAQUTCExtended(const TTimeStamp& t0, const double t1 = 0.0)
  {
    return JDAQUTCExtended(((double) t0.GetSec()) * 1.0e9  +  ((double) t0.GetNanoSec())  -  t1);
  }


  /**
   * Get time stamp
   *
   * \param  utc               UTC time
   * \param  t1                time offset [ns]
   * \return                   time stamp
   */
  TTimeStamp getTimeStamp(const JDAQUTCExtended& utc, const double t1 = 0.0)
  {
    TTimeStamp ts;

    const double t_ns = utc.getTimeNanoSecond() +  t1;
    const Int_t  t_s  = (Int_t) (t_ns / 1.0e9);

    ts.SetSec    (t_s);
    ts.SetNanoSec((Int_t) (t_ns - t_s * 1.0e9));
    
    return ts;
  }
}

#endif