tdecex_main.cxx

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//-----------------------------------------------------------
// Tests of Hall A Event Decoder and an example of usage
// with a "detector class" THaGenDetTest.
// To test for speed, compile THaGenDetTest.h with PRINTOUT=0.
// To get lots of print output, put PRINTOUT=1. (say, 50 events)
// 
// R. Michaels,  rom@jlab.org,  Mar, 2000
 
#include <iostream>
#include <cstdlib>
#include "THaCodaFile.h"
#include "CodaDecoder.h"
#include "THaGenDetTest.h"
#include "TString.h"
//#include "evio.h"
 
using namespace std;
using namespace Decoder;
 
int main(int argc, char* argv[])
{
 
   if (argc < 2) {
      cout << "You made a mistake... " << endl << endl;
      cout << "Usage:   tdecex filename" << endl;
      cout << "  where 'filename' is the CODA file"<<endl;
      cout << endl << "... exiting." << endl;
      exit(1);
   }
   TString filename = argv[1];
   THaCodaFile datafile;
   if (datafile.codaOpen(filename) != CODA_OK) {
        cout << "ERROR:  Cannot open CODA data" << endl;
        cout << "Perhaps you mistyped it" << endl;
        cout << "... exiting." << endl;
        exit(2);
   }
   auto *evdata = new CodaDecoder();
   evdata->SetCodaVersion(datafile.getCodaVersion());
   THaGenDetTest mydetector;
   mydetector.init();
 
// Loop over a finite number of events
 
   unsigned NUMEVT=50000;
   unsigned ievent = 0;
   for (; ievent<NUMEVT; ievent++) {
     if ( ievent > 0 && (
        ( (ievent <= 1000) && ((ievent%100) == 0) ) ||
        ( (ievent > 1000) && ((ievent%1000) == 0) ) ) )
              cout << endl << " ---- Event " << ievent <<endl;
     int status = datafile.codaRead();  
     if ( status != CODA_OK ) {
        if ( status == EOF) {
           cout << "This is end of file !" << endl;
           cout << "... exiting " << endl;
           goto Finish;
        } else {
           cout << hex << "ERROR: codaRread status = " << status << endl;
           exit(3);
        }
     }
     status = evdata->LoadEvent( datafile.getEvBuffer() );
     if( status != CodaDecoder::HED_OK && status != CodaDecoder::HED_WARN ) {
       cerr << "ERROR " << status << " while decoding event " << ievent
           << ". Exiting." << endl;
       exit(status);
     }
     mydetector.process_event(evdata);
 
   }  //  end of event loop
 
Finish:
   cout << endl << " Finished processing " << ievent << " events " << endl;
   datafile.codaClose();
   return 0;
}