EventInfoPrinterModule.cc

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#include <framework/modules/core/EventInfoPrinterModule.h>
 
#include <boost/format.hpp>
#include <chrono>
#include <ctime>
 
using namespace std;
using namespace Belle2;
 
//-----------------------------------------------------------------
//                 Register the Module
//-----------------------------------------------------------------
REG_MODULE(EventInfoPrinter)
 
//-----------------------------------------------------------------
//                 Implementation
//-----------------------------------------------------------------
 
EventInfoPrinterModule::EventInfoPrinterModule() : Module()
{
  //Set module properties
  setDescription("Prints the current event meta data information (exp, run, event numbers). LogLevel need to be set to INFO, at least for this module.");
 
  addParam("printTime", m_printTime, "Print time in addition to exp/run/evt numbers.", false);
}
 
EventInfoPrinterModule::~EventInfoPrinterModule() = default;
 
void EventInfoPrinterModule::initialize()
{
  m_eventMetaData.isRequired();
}
 
void EventInfoPrinterModule::beginRun()
{
  B2INFO("========================================================================");
  B2INFO(">>> Start new run: " << m_eventMetaData->getRun());
  B2INFO("------------------------------------------------------------------------");
}
 
 
void EventInfoPrinterModule::event()
{
  //Print event meta data information
  if (!m_eventMetaData) return;
  if (m_printTime) {
    B2INFO(boost::format("EXP: %5d  RUN: %6d  EVT: %8d  TIME: %s") % m_eventMetaData->getExperiment() % m_eventMetaData->getRun() %
           m_eventMetaData->getEvent() % formatDateTime(m_eventMetaData->getTime()));
  } else {
    B2INFO(boost::format("EXP: %8d        RUN: %8d        EVT: %8d") % m_eventMetaData->getExperiment() % m_eventMetaData->getRun() %
           m_eventMetaData->getEvent());
  }
}
 
 
void EventInfoPrinterModule::endRun()
{
  B2INFO("------------------------------------------------------------------------");
  B2INFO("<<< End run: " << m_eventMetaData->getRun());
  B2INFO("========================================================================");
}
 
std::string EventInfoPrinterModule::formatDateTime(unsigned long long int nsec)
{
  using namespace chrono;
  high_resolution_clock::time_point time(duration_cast<high_resolution_clock::duration>(nanoseconds(nsec)));
  time_t ttime = high_resolution_clock::to_time_t(time);
  tm* tm = gmtime(&ttime);
 
  char timeStr[32];
  strftime(timeStr, 32, "%F %T", tm);
  unsigned int sec_decimals = (nsec / 1000) % 1000000;
 
  return str(boost::format("%s.%06d") % timeStr % sec_decimals);
}