check.cxx

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// Dear emacs, this is -*- c++ -*-
 
/**
 * @file test/check.cxx
 * @author <a href="mailto:Andre.dos.Anjos@cern.ch>André Rabello dos
 * ANJOS</a>
 * $Author: zhangy $
 * $Revision: 1.1.1.1 $
 * $Date: 2009/06/19 07:35:41 $
 *
 * This source code describes a small test program based on the eformat
 * library. It will read a file containing complete events and check the
 * format correctness.
 */
 
#include <cstdlib>
#include <fstream>
#include <iostream>
 
#include "eformat/eformat.h"
 
/**
 * The maximum event size, in words
 */
const size_t MAX_EVENT_SIZE = 2500000;
 
/**
 * Reads a file and check its validity (for the time being)
 */
int main( int argc, char** argv ) {
  using namespace eformat;
 
  if ( argc != 2 )
  {
    std::cerr << "usage: " << argv[0] << " <file>" << std::endl;
    std::exit( 1 );
  }
 
  // open normally a file
  std::fstream in( argv[1], std::ios::in | std::ios::binary );
  if ( !in )
  {
    std::cerr << "File `" << argv[1] << "' does not exist?!" << std::endl;
    std::exit( 1 );
  }
  uint32_t* event  = new uint32_t[MAX_EVENT_SIZE];
  uint32_t  sevent = 0;
  while ( in.good() && !in.eof() && sevent != 0xaa1234aa ) { in.read( (char*)&sevent, 4 ); }
  if ( sevent == 0xaa1234aa ) in.seekg( in.tellg() - (std::streampos)4 );
  else exit( 1 );
  // for (int i = 0; i < 100; i++) {
  //         in.read((char*)&sevent, 4);
  //         std::cout << std::hex << sevent << std::endl;
  // }
 
  while ( true )
  {
 
    if ( !( next_fragment( in, event, MAX_EVENT_SIZE * 4 ) ) ) break;
 
    try
    {
      FullEventFragment<const uint32_t*> fe( event );
      fe.check_tree();
      // if check is ok, print the lvl1 identifier
      std::cout << "Event " << fe.lvl1_id() << " is Ok." << std::endl;
    } catch ( eformat::Issue& ex )
    {
      std::cerr << std::endl << "Uncaught eformat issue: " << ex.what() << std::endl;
      std::cout << "Trying to continue..." << std::endl;
      continue;
    } catch ( ers::Issue& ex )
    {
      std::cerr << std::endl << "Uncaught ERS issue: " << ex.what() << std::endl;
      delete[] event;
      std::exit( 1 );
    } catch ( std::exception& ex )
    {
      std::cerr << std::endl << "Uncaught std exception: " << ex.what() << std::endl;
      delete[] event;
      std::exit( 1 );
    } catch ( ... )
    {
      std::cerr << std::endl << "Uncaught unknown exception" << std::endl;
      delete[] event;
      std::exit( 1 );
    }
  }
 
  delete[] event;
  return 0;
}