GoodRunsListSelectorTool.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
 
#include "GoodRunsLists/GoodRunsListSelectorTool.h"
#include "GoodRunsLists/TMsgLogger.h"
#include "GoodRunsLists/StrUtil.h"
#include "PathResolver/PathResolver.h"
#include "GaudiKernel/MsgStream.h"
 
 
#include "TSystem.h"
#include <sys/stat.h>
 
using namespace std;
 
 
StatusCode
GoodRunsListSelectorTool::initialize()
{
  ATH_MSG_DEBUG ("initialize() ");
 
  Root::TMsgLogger::SetMinLevel(static_cast<Root::TMsgLevel>(msgLevel()));

  if (!m_goodrunslistVec.empty() || !m_blackrunslistVec.empty())
    m_passthrough=false;

  if (m_passthrough) ATH_MSG_WARNING ("Set to pass-through mode.");

  std::vector<std::string>::iterator itr;
  for (itr=m_goodrunslistVec.begin(); itr!=m_goodrunslistVec.end(); ++itr)  {
    std::string fname;
    if ( itr->find('/')==0 || itr->find('$')==0 || itr->find('.')==0 || itr->find(':')!=string::npos )  {
      fname = gSystem->ExpandPathName( itr->c_str() );
    }
    else {
      fname = (PathResolverFindXMLFile( *itr ));
    }
    if ( !fileExists(fname.c_str()) ) {
      ATH_MSG_ERROR ("Cannot open file : " << fname);
      return StatusCode::FAILURE;
    }
  }
  for (itr=m_blackrunslistVec.begin(); itr!=m_blackrunslistVec.end(); ++itr)  {
    std::string fname;
    if ( itr->find('/')==0 || itr->find('$')==0 || itr->find('.')==0 || itr->find(':')!=string::npos )  {
      fname = gSystem->ExpandPathName( itr->c_str() );
    }
    else {
      fname = (PathResolverFindXMLFile( *itr ));
    }
    if ( !fileExists(fname.c_str()) ) {
      ATH_MSG_ERROR ("Cannot open file : " << fname);
      return StatusCode::FAILURE;
    }
  }
  if ( !m_goodrunslistVec.empty() ) {
    m_reader->Reset();
    for (itr=m_goodrunslistVec.begin(); itr!=m_goodrunslistVec.end(); ++itr) {
      std::string fname;
      if ( itr->find('/')==0 || itr->find('$')==0 || itr->find('.')==0 || itr->find(':')!=string::npos )  {
        fname = gSystem->ExpandPathName( itr->c_str() );
      }
      else {
        fname = (PathResolverFindXMLFile( *itr ));
      }
      m_reader->AddXMLFile(fname);
    }
    m_reader->Interpret();
    *m_grlcollection = m_reader->GetMergedGRLCollection(static_cast<Root::BoolOperation>(m_boolop.value()));
  }
  if ( !m_blackrunslistVec.empty() ) {
    m_reader->Reset();
    for (itr=m_blackrunslistVec.begin(); itr!=m_blackrunslistVec.end(); ++itr) {
      std::string fname;
      if ( itr->find('/')==0 || itr->find('$')==0 || itr->find('.')==0 || itr->find(':')!=string::npos )  {
        fname = gSystem->ExpandPathName( itr->c_str() );
      }
      else {
        fname = (PathResolverFindXMLFile( *itr ));
      }
      m_reader->AddXMLFile(fname);
    }
    m_reader->Interpret();
    *m_brlcollection = m_reader->GetMergedGRLCollection(static_cast<Root::BoolOperation>(m_boolop.value()));
  }
 
  return StatusCode::SUCCESS;
}
 
 
bool
GoodRunsListSelectorTool::passEvent(const EventIDBase& pEvent)
{
  ATH_MSG_DEBUG ("passEvent() ");
 
  auto eventNumber = pEvent.event_number();
  int runNumber   = pEvent.run_number();
  int lumiBlockNr = pEvent.lumi_block();
  auto timeStamp   = pEvent.time_stamp();
 
  ATH_MSG_DEBUG ("passEvent() :: run number = " << runNumber <<
                 " ; event number = " << eventNumber <<
                 " ; lumiblock number = " << lumiBlockNr <<
                 " ; timestamp = " << timeStamp
                );

  bool pass(false);
  if (m_passthrough) {
    ATH_MSG_DEBUG ("passEvent() :: Pass through mode.");
    pass = true;
  }
  else {
    pass = this->passRunLB(runNumber,lumiBlockNr);
  }
 
  return pass;
}
 
 
bool
GoodRunsListSelectorTool::passThisRunLB( const std::vector<std::string>& grlnameVec,
                                         const std::vector<std::string>& brlnameVec )
{
  ATH_MSG_DEBUG ("passThisRunLB() ");
 
  const EventContext& ctx = Gaudi::Hive::currentContext();
 
  int eventNumber = ctx.eventID().event_number();
  int runNumber   = ctx.eventID().run_number();
  int lumiBlockNr = ctx.eventID().lumi_block();
  int timeStamp   = ctx.eventID().time_stamp();
 
  ATH_MSG_DEBUG ("passThisRunLB() :: run number = " << runNumber <<
                 " ; event number = " << eventNumber <<
                 " ; lumiblock number = " << lumiBlockNr <<
                 " ; timestamp = " << timeStamp
                );

  bool pass(false);
  if (m_passthrough) {
    ATH_MSG_DEBUG ("passThisRunLB() :: Pass through mode.");
    pass = true;
  }
  else {
    pass = this->passRunLB(runNumber,lumiBlockNr,grlnameVec,brlnameVec);
  }
 
  return pass;
}
 
 
bool
GoodRunsListSelectorTool::passRunLB( int runNumber, int lumiBlockNr,
                                     const std::vector<std::string>& grlnameVec,
                                     const std::vector<std::string>& brlnameVec )
{
  ATH_MSG_DEBUG ("passRunLB() ");

  if (m_passthrough) {
    ATH_MSG_DEBUG ("passRunLB() :: Pass through mode.");
    return true;
  }

  if ( m_rejectanybrl && m_eventselectormode ) {
    if ( m_brlcollection->HasRunLumiBlock(runNumber,lumiBlockNr) ) {
      ATH_MSG_DEBUG ("passRunLB() :: Event rejected by (_any_ of) merged black runs list.");
      return false;
    }
  } else if (!brlnameVec.empty()) {
    bool reject(false);
    std::vector<Root::TGoodRunsList>::const_iterator brlitr;
    for (unsigned int i=0; i<brlnameVec.size() && !reject; ++i) {
      brlitr = m_brlcollection->find(brlnameVec[i]);
      if (brlitr!=m_brlcollection->end())
        reject = brlitr->HasRunLumiBlock(runNumber,lumiBlockNr);
    }
    if (reject) {
      ATH_MSG_DEBUG ("passRunLB() :: Event rejected by specific black runs list.");
      return false;
    }
  }

  if (!grlnameVec.empty()) {
    bool pass(false);
    std::vector<Root::TGoodRunsList>::const_iterator grlitr;
    for (unsigned int i=0; i<grlnameVec.size() && !pass; ++i) {
      grlitr = m_grlcollection->find(grlnameVec[i]);
      if (grlitr!=m_grlcollection->end())
        pass = grlitr->HasRunLumiBlock(runNumber,lumiBlockNr);
    }
    if (pass) {
      ATH_MSG_DEBUG ("passRunLB() :: Event accepted by specific good runs list.");
      return true;
    }
  } else if (m_grlcollection->HasRunLumiBlock(runNumber,lumiBlockNr)) {
    ATH_MSG_DEBUG ("passRunLB() :: Event accepted by (_any_ of) merged good runs list.");
    return true;
  }
 
  ATH_MSG_DEBUG ("passRunLB() :: Event rejected, not in (any) good runs list.");
  return false;
}
 
 
StatusCode
GoodRunsListSelectorTool::finalize()
{
  ATH_MSG_DEBUG ("finalize() ");
  return StatusCode::SUCCESS;
}
 
 
bool
GoodRunsListSelectorTool::fileExists(const char* fileName)
{
  struct stat info;
  int ret = -1;
 
  //get the file attributes
  ret = stat(fileName, &info);
 
  if(ret == 0) {
    //if (info.st_size == 0) return false;
    //else
    return true;
  } else {
    return false;
  }
}
 
 
bool
GoodRunsListSelectorTool::registerGRLSelector(const std::string& name, const std::vector<std::string>& grlnameVec, const std::vector<std::string>& brlnameVec)
{
  if (m_registry.find(name)!=m_registry.end()) {
    ATH_MSG_WARNING ("registerGRLSelector() :: GRL selector with name <" << name << "> already registered. Return false.");
    return false;
  }

  if (!brlnameVec.empty()) {
    std::vector<Root::TGoodRunsList>::const_iterator brlitr;
    for (unsigned int i=0; i<brlnameVec.size(); ++i) {
      brlitr = m_brlcollection->find(brlnameVec[i]);
      if (brlitr==m_brlcollection->end()) {
        ATH_MSG_ERROR ("registerGRLSelector() :: requested BRL object with name <" << brlnameVec[i] << "> not found. Have you provided an object name from the BRL xml-file(s)?");
        return false;
      }
    }
  }

  if (!grlnameVec.empty()) {
    std::vector<Root::TGoodRunsList>::const_iterator grlitr;
    for (unsigned int i=0; i<grlnameVec.size(); ++i) {
      grlitr = m_grlcollection->find(grlnameVec[i]);
      if (grlitr==m_grlcollection->end()) {
        ATH_MSG_ERROR ("registerGRLSelector() :: requested GRL object with name <" << grlnameVec[i] << "> not found. Have you provided an object name from the GRL xml-file(s)?");
        return false;
      }
    }
  }
 
  ATH_MSG_DEBUG ("registerGRLSelector() :: GRL selector with name <" << name << "> registered.");
  m_registry[name] = vvPair(grlnameVec,brlnameVec);
  return true;
}