JSupportToolkit.hh

Go to the documentation of this file.

#ifndef __JSUPPORT__JSUPPORTTOOLKIT__
#define __JSUPPORT__JSUPPORTTOOLKIT__
 
#include <string>
 
#include "TDirectory.h"
 
#include "km3net-dataformat/online/JDAQClock.hh"
#include "JDAQ/JDAQEvaluator.hh"
#include "JDAQ/JDAQSummarysliceIO.hh"
#include "JDAQ/JDAQUTCExtendedIO.hh"
#include "JTrigger/JTriggerParameters.hh"
#include "JTools/JRange.hh"
#include "JSupport/JFilenameSupportkit.hh"
#include "JSupport/JFileScanner.hh"
#include "JSupport/JTreeScanner.hh"
#include "JSupport/JTriggerParametersSupportkit.hh"
 
 
/**
 * \file
 * Support methods.
 * \author mdejong
 */
namespace JSUPPORT {}
namespace JPP { using namespace JSUPPORT; }
 
namespace JSUPPORT {
 
  using KM3NETDAQ::JDAQUTCExtended;
 
 
  /**
   * Type definition for frame index range.
   */
  typedef JTOOLS::JRange<int>               JFrameIndexRange;
 
  /**
   * Type definition for DAQ UTC time range.
   */
  typedef JTOOLS::JRange<JDAQUTCExtended>   JDAQUTCTimeRange;
 
 
  /**
   * Get time duration of given UTC time range.
   *
   * \param  utc               UTC time range
   * \return                   time duration [s]
   */
  inline double getTimeDuration(const JDAQUTCTimeRange& utc)
  {
    if (utc.is_valid())
      return (utc.getUpperLimit().getTimeNanoSecond() - 
              utc.getLowerLimit().getTimeNanoSecond()) * 1.0e-9;
    else
      return 0.0;
  }
 
 
  /**
   * Get range of frame indices.
   *
   * \param  in                TTree scanner
   * \return                   frame index range
   */
  template<class T>
  inline JFrameIndexRange getFrameIndexRange(JTreeScanner<T, KM3NETDAQ::JDAQEvaluator>& in)
  {
    if (!in.empty())
      return JFrameIndexRange(in.begin()->getFrameIndex(), in.rbegin()->getFrameIndex());
    else
      return JFrameIndexRange(0,0);
  }
 
 
  /**
   * Get range of frame indices for given file name of data taking run.
   *
   * \param  file_name         file name
   * \return                   frame index range
   */
  template<class T>
  inline JFrameIndexRange getFrameIndexRange(const std::string& file_name)
  {
    JFrameIndexRange result(JFrameIndexRange::DEFAULT_RANGE);
 
    TDirectory*& dir = TDirectory::CurrentDirectory();
      
    if (isROOTFile(file_name.c_str())) {
 
      JTreeScanner<T, KM3NETDAQ::JDAQEvaluator> in(file_name);
 
      return getFrameIndexRange(in);
 
    } else {
 
      JFileScanner<T> in(file_name.c_str());
 
      while (in.hasNext()) {
        result.include(in.next()->getFrameIndex());
      }
    }
 
    if (dir != NULL) {
      dir->cd();        // restore current working directory
    }
      
    return result;
  }
 
 
  /**
   * Get UTC time range.
   *
   * \param  in                TTree scanner
   * \return                   UTC time range
   */
  template<class T>
  inline JDAQUTCTimeRange getUTCTimeRange(JTreeScanner<T, KM3NETDAQ::JDAQEvaluator>& in)
  {
    if (!in.empty())
      return JDAQUTCTimeRange(in.begin()->getTimesliceStart(), in.rbegin()->getTimesliceStart());
    else
      return JDAQUTCTimeRange(JDAQUTCExtended(), JDAQUTCExtended());
  }
 
 
  /**
   * Get UTC time range for given file name of data taking run.
   *
   * \param  file_name         file name
   * \return                   UTC time range
   */
  template<class T>
  inline JDAQUTCTimeRange getUTCTimeRange(const std::string& file_name)
  {
    JDAQUTCTimeRange result(JDAQUTCTimeRange::DEFAULT_RANGE);
 
    TDirectory*& dir = TDirectory::CurrentDirectory();
 
    if (isROOTFile(file_name.c_str())) {
 
      JTreeScanner<T, KM3NETDAQ::JDAQEvaluator> in(file_name);
 
      result = getUTCTimeRange(in);
 
    } else {
 
      for (JFileScanner<T> in(file_name.c_str()); in.hasNext(); ) {
        result.include(in.next()->getTimesliceStart());
      }
    }
      
    if (dir != NULL) {
      dir->cd();        // restore current working directory
    }
      
    return result;
  }
 
 
  /**
   * Get UTC time range for given file name of data taking run.
   * Get data taking live time.
   *
   * \param  __begin           begin of file list
   * \param  __end             end   of file list
   * \return                   UTC time range
   */
  template<class T>
  inline JDAQUTCTimeRange getUTCTimeRange(T __begin, T __end)
  {
    JDAQUTCTimeRange result(JDAQUTCTimeRange::DEFAULT_RANGE);
 
    for (T i = __begin; i != __end; ++i) {
      result.combine(getUTCTimeRange<KM3NETDAQ::JDAQSummaryslice>(*i));
    }
 
    return result;
  }
 
 
  /**
   * Get data taking live time.
   *
   * \param  file_name         file name
   * \return                   live time [s]
   */
  inline double getLivetime(const std::string& file_name)
  {
    using namespace KM3NETDAQ;
    using namespace JTRIGGER;
    
    TDirectory*& dir = TDirectory::CurrentDirectory();
 
    double livetime = 0.0;
    
    const JTriggerParameters parameters = getTriggerParameters(file_name);
    
    if (parameters.writeSummary.prescale != 0) {
 
      JTreeScanner<JDAQSummaryslice> in(file_name);
 
      livetime = in.getEntries() * getFrameTime() * 1.0e-9 / parameters.writeSummary.prescale;
    }
      
    if (dir != NULL) {
      dir->cd();        // restore current working directory
    }
 
    return livetime;
  }
 
 
  /**
   * Get data taking live time.
   *
   * \param  __begin           begin of file list
   * \param  __end             end   of file list
   * \return                   live time [s]
   */
  template<class T>
  inline double getLivetime(T __begin, T __end)
  {
    double livetime = 0.0;
 
    for (T i = __begin; i != __end; ++i) {
      livetime += getLivetime(*i);
    }
 
    return livetime;
  }
}
 
#endif