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 "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 190 of file JDAQSplit.cc.

{
  using namespace std;
  using namespace JPP;

  typedef vector<JFrameIndexRange> ranges_type;

  std::string   inputFile;
  std::string   outputFile;
  size_t        numberOfFiles;
  ranges_type   ranges;
  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)              = 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 JFrameIndexRange total  = getFrameIndexRange<JDAQSummaryslice>(inputFile);

  DEBUG("Total frame index range " << total << endl);

  if (total.getLength() == 0) {
    FATAL("No summary data in input file " << inputFile << endl);
  }


  if (ranges.empty()) {

    int length = total.getLength() / numberOfFiles;

    if (length == 0) {
      length = 1;
    }

    for (JFrameIndexRange range(total.getLowerLimit(),
                                total.getLowerLimit() + length);
         range.getLowerLimit() <= total.getUpperLimit();
         range.add(length + 1)) {
      ranges.push_back(range);
    }
  }


  JCopyMaster<JDAQTypes_t>::debug = debug;

  JCopyMaster<JDAQTypes_t> master(inputFile);

  for (ranges_type::const_iterator range = ranges.begin(); range != ranges.end(); ++range) {

    const string file_name = MAKE_STRING(outputFile.substr(0,pos)  << "_" 
                                         << range->getLowerLimit() << "-" 
                                         << range->getUpperLimit() << "_" 
                                         << outputFile.substr(pos+1));

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

    master.open(file_name.c_str());

    master.put(getTriggerParameters(inputFile));

    master.copy(*range);

    master.close();
  }
}