JDAQSplit.cc File Reference

Auxiliary program to split data. More...

#include <string>
#include <iostream>
#include <iomanip>
#include "JDAQ/JDAQTimesliceIO.hh"
#include "JDAQ/JDAQEventIO.hh"
#include "JDAQ/JDAQSummarysliceIO.hh"
#include "JDAQ/JDAQEvaluator.hh"
#include "JTrigger/JTriggerParameters.hh"
#include "JSupport/JSingleFileScanner.hh"
#include "JSupport/JTreeScanner.hh"
#include "JSupport/JFileRecorder.hh"
#include "JSupport/JTriggerParametersSupportkit.hh"
#include "JSupport/JMeta.hh"
#include "JSupport/JSupport.hh"
#include "JSupport/JSupportToolkit.hh"
#include "JROOT/JROOTClassSelector.hh"
#include "JLang/JSinglePointer.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Detailed Description

Auxiliary program to split data.

Author

mdejong

Definition in file JDAQSplit.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 203 of file JDAQSplit.cc.

{
  using namespace std;
  using namespace JPP;

  typedef vector<JDAQUTCTimeRange> ranges_type;

  std::string         inputFile;
  std::string         outputFile;
  size_t              numberOfFiles;
  ranges_type         ranges;
  JROOTClassSelection selection      = getROOTClassSelection<JDAQTypes_t>();
  int                 debug;

  try {

    JParser<> zap("Auxiliary program to split data.");

    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile);
    zap['N'] = make_field(numberOfFiles)       = 0;
    zap['r'] = make_field(ranges, 
                          "UTC time range(s)") = JPARSER::initialised();
    zap['C'] = make_field(selection,
                          "Precede name of data structure by a '+' or '-' "
                          "to add or remove data types in the output, respectively."
                          "\nROOT wildcards are accepted.") = JPARSER::initialised();
    zap['d'] = make_field(debug)               = 1;

    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }


  if (numberOfFiles == 0 && ranges.empty()) {
    FATAL("Invalid splitting " << numberOfFiles << '/' << ranges.size() << endl);
  }

  const size_t pos = outputFile.find(WILDCARD);

  if (pos == string::npos) {
    FATAL("Output file name " << outputFile << " does not contain wild card '" << WILDCARD << "'" << endl);
  }

  const JDAQUTCTimeRange total  =  combine(getUTCTimeRange<JDAQSummaryslice>(inputFile),
                                           getUTCTimeRange<JDAQEvent>       (inputFile));

  if (!total.is_valid()) {
    FATAL("No (valid) summary data in input file " << inputFile << ' ' << total << endl);
  }

  NOTICE("Total time range " << total << endl);

  if (ranges.empty()) {

    const double T_ns = (total.getUpperLimit().getTimeNanoSecond() -
                         total.getLowerLimit().getTimeNanoSecond())  /  numberOfFiles;

    for (double t1 = total.getLowerLimit().getTimeNanoSecond(); t1 < total.getUpperLimit().getTimeNanoSecond(); t1 += T_ns) {
      ranges.push_back(JDAQUTCTimeRange(JDAQUTCExtended(t1), JDAQUTCExtended(t1 + T_ns)));
    }
  }


  JCopyMaster<JDAQTypes_t>::debug = debug;

  JCopyMaster<JDAQTypes_t> master(inputFile, selection);

  const int width = (int) (log10(ranges.size() + 1) + 1);

  for (size_t i = 0; i != ranges.size(); ++i) {

    const string file_name = MAKE_STRING(outputFile.substr(0,pos) << FILL(width,'0') << i << FILL() << outputFile.substr(pos+1));

    STATUS("Writing " << file_name << endl);

    master.open(file_name.c_str());

    master.put(getTriggerParameters(inputFile));

    master.copy(ranges[i]);

    master.close();
  }
}