TrigCaloDataAccessSvc.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
#include "AthenaMonitoringKernel/Monitored.h"
#include "TrigCaloDataAccessSvc.h"
#include "TrigSteeringEvent/TrigRoiDescriptor.h"
#include "CaloDetDescr/CaloDetDescrManager.h"
#include "StoreGate/ReadCondHandle.h"
 
#include <sstream>
#include <type_traits>
 
TrigCaloDataAccessSvc::TrigCaloDataAccessSvc( const std::string& name, ISvcLocator* pSvcLocator )
  : base_class( name, pSvcLocator ),
    m_bcidAvgKey("CaloBCIDAverage"),
    m_correctDead(false),
    m_lateInitDone(false), m_nSlots(0)
{
}
 
StatusCode TrigCaloDataAccessSvc::initialize() {
 
  m_autoRetrieveTools = false;
  m_checkToolDeps = false;
          
  CHECK( m_larDecoder.retrieve() );
  CHECK( m_tileDecoder.retrieve() );
  CHECK( m_robDataProvider.retrieve() );
  CHECK( m_bcidAvgKey.initialize() );
  CHECK( m_onOffIdMappingKey.initialize() );
  CHECK( m_larRoIMapKey.initialize() );
  CHECK( m_febRodMappingKey.initialize() );
  CHECK( m_regionSelector_TTEM.retrieve() );
  CHECK( m_mcsymKey.initialize() );
  CHECK( m_bcContKey.initialize() );
  CHECK( m_caloMgrKey.initialize());
  CHECK( m_regionSelector_TTHEC.retrieve() );
  CHECK( m_regionSelector_FCALEM.retrieve() );
  CHECK( m_regionSelector_FCALHAD.retrieve() );
  CHECK( m_regionSelector_TILE.retrieve() );
  CHECK( m_deadOTXFromSCKey.initialize(SG::AllowEmpty) );
  m_correctDead = !m_deadOTXFromSCKey.empty();
  ATH_CHECK( m_tileHid2RESrcIDKey.initialize() );
 
  return StatusCode::SUCCESS;
}
 
StatusCode TrigCaloDataAccessSvc::finalize() {
 
  std::lock_guard<std::mutex> lock( m_initMutex ); // use the initMutex to finalize
  if ( m_lateInitDone ) { // otherwise nothing to delete
  m_vrodid32fullDet.clear();
  for( size_t ii=0;ii<m_vrodid32fullDetHG.size();ii++) { m_vrodid32fullDetHG[ii].clear(); }
  m_vrodid32fullDetHG.clear(); 
  for ( size_t slot  = 0; slot <  m_nSlots; ++ slot ) {
      EventContext ec;
      ec.setSlot( slot );
      HLTCaloEventCache *cache = m_hLTCaloSlot.get( ec );
      CHECK( cache->larContainer->finalize() );
      delete cache->larContainer;
      CHECK( cache->tileContainer->finalize() );
      delete cache->tileContainer;
      cache->d0cells->clear();
      delete cache->d0cells;
      cache->lastFSEvent = 0xFFFFFFFF;
      for (unsigned int i : m_insertedCells) delete cache->fullcont->at(i);
      delete cache->fullcont;
  } // end of for slots
  } // end of m_lateInitDone
  m_lateInitDone=false;
  return StatusCode::SUCCESS;
}
 
 
unsigned int TrigCaloDataAccessSvc::prepareFullCollections( const EventContext& context ) {
 
  return prepareLArFullCollections( context );
  
}
 
 
StatusCode TrigCaloDataAccessSvc::loadCollections ( const EventContext& context,
                                                    const IRoiDescriptor& roi,
                                                    const DETID detID,
                                                    const int sampling,
                                                    LArTT_Selector<LArCellCont>& loadedCells ) {
 
  std::vector<IdentifierHash> requestHashIDs;  
 
  ATH_MSG_DEBUG( "LArTT requested for event " << context << " and RoI " << roi );  
  unsigned int sc = prepareLArCollections( context, roi, sampling, detID );
 
  if ( sc ) return StatusCode::FAILURE;
  
  { 
    // this has to be guarded because getTT called on the LArCollection bu other threads updates internal map
    std::lock_guard<std::mutex> getCollClock{ m_hLTCaloSlot.get( context )->mutex };       
    switch ( detID ) {
    case TTEM: {m_regionSelector_TTEM->lookup(context)->HashIDList( sampling, roi, requestHashIDs ); break; }
    case TTHEC: {m_regionSelector_TTHEC->lookup(context)->HashIDList( sampling, roi, requestHashIDs ); break; }
    case FCALEM: {m_regionSelector_FCALEM->lookup(context)->HashIDList( sampling, roi, requestHashIDs ); break; }
    case FCALHAD: {m_regionSelector_FCALHAD->lookup(context)->HashIDList( sampling, roi, requestHashIDs ); break; }
    default: break;
    }
  }
  
  ATH_MSG_DEBUG( "requestHashIDs.size() in LoadColl = " << requestHashIDs.size()  << " hash checksum " 
             << std::accumulate( requestHashIDs.begin(), requestHashIDs.end(), IdentifierHash( 0 ),  
                         []( IdentifierHash h1, IdentifierHash h2 ){  return h1+h2; } ) );
  if ( msgLvl( MSG::VERBOSE ) ) {    
    for( unsigned int i = 0 ; i < requestHashIDs.size() ; i++ )
      ATH_MSG_VERBOSE( "m_rIds[" << i << "]=" << requestHashIDs[i] );
  }
  SG::ReadCondHandle<LArRoIMap> roimap ( m_larRoIMapKey, context);
  loadedCells.setContainer( ( m_hLTCaloSlot.get( context )->larContainer ) );
  loadedCells.setMap( *roimap );
 
  { 
    // this has to be guarded because getTT called on the LArCollection bu other threads updates internal map
    std::lock_guard<std::mutex> getCollClock{ m_hLTCaloSlot.get( context )->mutex };       
    loadedCells.setRoIs( requestHashIDs );
  }
  if ( sc ) return StatusCode::FAILURE;
  else return StatusCode::SUCCESS;
}
 
StatusCode TrigCaloDataAccessSvc::loadCollections ( const EventContext& context,
                                                    const IRoiDescriptor& roi,
                                                    std::vector<const TileCell*>& loadedCells ) {
  std::vector<IdentifierHash> requestHashIDs;
 
  ATH_MSG_DEBUG( "Tile requested for event " << context << " and RoI " << roi );
  unsigned int sc = prepareTileCollections( context, roi );
 
  if ( sc ) return StatusCode::FAILURE;
 
  {
    // this has to be guarded because getTT called on the LArCollection bu other threads updates internal map
    std::lock_guard<std::mutex> getCollClock{ m_hLTCaloSlot.get( context )->mutex };
    m_regionSelector_TILE->lookup(context)->HashIDList( roi, requestHashIDs );
  }
  ATH_MSG_DEBUG( "requestHashIDs.size() in LoadColl = " << requestHashIDs.size()  << " hash checksum "
                 << std::accumulate( requestHashIDs.begin(), requestHashIDs.end(), IdentifierHash( 0 ),
                                     []( IdentifierHash h1, IdentifierHash h2 ){  return h1+h2; } ) );
  if ( msgLvl( MSG::VERBOSE ) ) {
    for( unsigned int i = 0 ; i < requestHashIDs.size() ; i++ )
      ATH_MSG_VERBOSE( "requestHashIDs[" << i << "]=" << requestHashIDs[i] );
  }
  size_t listIDsize = requestHashIDs.size();
  HLTCaloEventCache* cache = m_hLTCaloSlot.get( context );
  TileCellCont* tilecell = cache->tileContainer;
  std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*> robFrags;
  loadedCells.clear(); // should reserve
  for (size_t i = 0; i < listIDsize; ++i){
          // Find the collection to dump
          const std::vector<TileCellCollection*>::const_iterator it =
                  (tilecell->find(requestHashIDs[i]));
          TileCellCollection* col = *it;
          if ( col == nullptr ) continue;
          TileCellCollection::const_iterator itt = (*it)->begin();
          TileCellCollection::const_iterator End = (*it)->end();
          for (;itt!=End;++itt){
        const TileCell* cell = (const TileCell*)*itt;
        loadedCells.push_back( cell );
          } // End of for printout cells
  }
 
  return StatusCode::SUCCESS;
}
 
 
StatusCode TrigCaloDataAccessSvc::loadFullCollections ( const EventContext& context,
                                                        CaloConstCellContainer& cont ) {
 
  // Gets all data
  {
  std::lock_guard<std::mutex> dataPrepLock { m_dataPrepMutex };
  m_robDataProvider->addROBData( context, m_vrodid32fullDet );
  }
  {
  std::lock_guard<std::mutex> dataPrepLock { m_dataPrepMutex };
  m_robDataProvider->addROBData( context, m_vrodid32tile );
  }
 
  unsigned int sc = prepareLArFullCollections( context );
  ATH_CHECK( sc == 0 );
 
  sc = prepareTileFullCollections( context );
  ATH_CHECK( sc == 0 );
 
  m_hLTCaloSlot.get(context)->lastFSEvent = context.evt();
 
  std::lock_guard<std::mutex> getCollClock{ m_getCollMutex };   
  CaloCellContainer* cont_to_copy = m_hLTCaloSlot.get(context)->fullcont ;
  cont.clear();
  cont.reserve( cont_to_copy->size() );
  for( const CaloCell* c : *cont_to_copy ) cont.push_back_fast( c );
  cont.setIsOrdered(true);
  cont.setIsOrderedAndComplete(true);
      
  ATH_CHECK( sc == 0 );
  
  return StatusCode::SUCCESS;
}
 
 
unsigned int TrigCaloDataAccessSvc::prepareLArFullCollections( const EventContext& context) {
 
  ATH_MSG_DEBUG( "Full Col " << " requested for event " << context );
  if ( !m_lateInitDone && lateInit(context) ) {
    ATH_MSG_ERROR("Could not execute late init");
    return 0x1; // dummy code
  }
 
  HLTCaloEventCache* cache = m_hLTCaloSlot.get( context );
  
  auto lockTime = Monitored::Timer ( "TIME_locking_LAr_FullDet" );
  std::lock_guard<std::mutex> collectionLock { cache->mutex };  
  lockTime.stop();
 
  if ( cache->lastFSEvent == context.evt() ) return 0x0; // dummy code
       cache->larContainer->eventNumber( context.evt() ) ;
  if ( m_applyOffsetCorrection && cache->larContainer->lumiBCIDCheck( context ) ) {
    SG::ReadHandle<CaloBCIDAverage> avg (m_bcidAvgKey, context);
    SG::ReadCondHandle<LArOnOffIdMapping> onoff ( m_onOffIdMappingKey, context);
        const CaloBCIDAverage* avgPtr = avg.cptr();
    const LArOnOffIdMapping* onoffPtr = onoff.cptr();
    if ( avgPtr && onoffPtr ) cache->larContainer->updateBCID( *avgPtr, *onoffPtr ); 
  }
  
 
  unsigned int status(0);
 
  const LArDeadOTXFromSC* deadHandle = nullptr;
  if ( m_correctDead ){
    SG::ReadHandle<LArDeadOTXFromSC> deadHdl(m_deadOTXFromSCKey, context);
    if ( !deadHdl.isValid() ){
       ATH_MSG_WARNING("Should not try to use LArDEADOTXFromSC" );
    } else {
       deadHandle = deadHdl.cptr();
    }
  }
 
  for( size_t ii=0;ii<m_vrodid32fullDetHG.size();ii++) {
      std::vector<uint32_t>& vrodid32fullDet = m_vrodid32fullDetHG[ii];
      std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*> robFrags;
      {
        std::lock_guard<std::mutex> dataPrepLock { m_dataPrepMutex };
        // To be confirmed whether we need this or not
        m_robDataProvider->addROBData( context, vrodid32fullDet );
        m_robDataProvider->getROBData( context, vrodid32fullDet, robFrags );      
      }
 
      status |= convertROBs( robFrags, ( cache->larContainer ), (cache->larRodBlockStructure_per_slot), cache->rodMinorVersion, cache->robBlockType, deadHandle );
      
      if ( vrodid32fullDet.size() != robFrags.size() ) {
        ATH_MSG_DEBUG( "Missing ROBs, requested " << vrodid32fullDet.size() << " obtained " << robFrags.size() );
        //status |= 0x1; // dummy code
        clearMissing( vrodid32fullDet, robFrags, ( cache->larContainer ) );
      }
  } // end of for m_vrodid32fullDetHG.size()
 
  int detid(0);
  auto detidMon = Monitored::Scalar<int>( "det", detid );
 
  Monitored::Group( m_monTool, lockTime, detidMon );
  return status;
}
 
unsigned int TrigCaloDataAccessSvc::prepareTileFullCollections( const EventContext& context) {
 
  ATH_MSG_DEBUG( "Full Col " << " requested for event " << context );
  if ( !m_lateInitDone && lateInit(context) ) {
    ATH_MSG_ERROR("Could not execute late init");
    return 0x1; // dummy code
  }
 
  HLTCaloEventCache* cache = m_hLTCaloSlot.get( context );
 
  auto lockTime = Monitored::Timer ( "TIME_locking_LAr_FullDet" );
  std::lock_guard<std::mutex> collectionLock { cache->mutex };
  lockTime.stop();
 
  if ( cache->lastFSEvent == context.evt() ) return 0x0;
  if ( cache->tileContainer->eventNumber() != context.evt() )
     cache->d0cells->clear();
  cache->tileContainer->eventNumber( context.evt() );
 
  unsigned int status(0);
  convertROBs( context, m_rIdstile, cache->tileContainer, cache->d0cells );
 
  int detid(0);
  auto detidMon = Monitored::Scalar<int>( "det", detid );
 
  Monitored::Group( m_monTool, lockTime, detidMon );
  return status;
}
 
unsigned int TrigCaloDataAccessSvc::lateInit(const EventContext& context) { // non-const this thing
 
  std::lock_guard<std::mutex> lock( m_initMutex );
  if ( m_lateInitDone ) 
    return 0x0; // dummy code
  
  ATH_MSG_DEBUG( "Performing late init" );
 
  // allocate collections
  m_nSlots = SG::getNSlots();
 
  // preparing full container list of ROBs - tile will be included soon
  std::vector<uint32_t> vrodid32lar;
  std::vector<uint32_t> vrodid32em;
  std::vector<uint32_t> vrodid32hec;
  std::vector<uint32_t> vrodid32hec0;
  std::vector<uint32_t> vrodid32hec1;
  std::vector<uint32_t> vrodid32hec2;
  std::vector<uint32_t> vrodid32hec3;
  std::vector<uint32_t> vrodid32fcalem;
  std::vector<uint32_t> vrodid32fcalhad;
 
  TrigRoiDescriptor tmproi(true);
  std::vector<uint32_t> vrodid32tile;
  std::vector<IdentifierHash> rIdstile;
  // TTEM
  m_regionSelector_TTEM->lookup(context)->ROBIDList(-1,tmproi,vrodid32em);
  // TTHEC
  m_regionSelector_TTHEC->lookup(context)->ROBIDList(0,tmproi,vrodid32hec0);
  m_regionSelector_TTHEC->lookup(context)->ROBIDList(1,tmproi,vrodid32hec1);
  m_regionSelector_TTHEC->lookup(context)->ROBIDList(2,tmproi,vrodid32hec2);
  m_regionSelector_TTHEC->lookup(context)->ROBIDList(3,tmproi,vrodid32hec3);
  // FCALHAD
  m_regionSelector_FCALEM->lookup(context)->ROBIDList(-1,tmproi,vrodid32fcalem);
  m_regionSelector_FCALHAD->lookup(context)->ROBIDList(-1,tmproi,vrodid32fcalhad);
  m_regionSelector_TILE->lookup(context)->ROBIDList(tmproi,vrodid32tile);
  m_regionSelector_TILE->lookup(context)->HashIDList(tmproi,rIdstile);
 
  m_vrodid32tile.resize( vrodid32tile.size() );
  m_rIdstile.resize(rIdstile.size() );
  // Tile RODs and ID coming from the Tile tables are not unique
  // iii and iij are local variables helping to clear non-unique IDs
  auto iii = std::unique_copy(vrodid32tile.begin(),vrodid32tile.end(),m_vrodid32tile.begin());
  auto iij = std::unique_copy(rIdstile.begin(),rIdstile.end(),m_rIdstile.begin());
  std::sort( m_vrodid32tile.begin(), iii );
  std::sort( m_rIdstile.begin(), iij );
  iii = std::unique_copy(m_vrodid32tile.begin(),iii,m_vrodid32tile.begin());
  iij = std::unique_copy(m_rIdstile.begin(),iij,m_rIdstile.begin());
  m_vrodid32tile.resize( std::distance(m_vrodid32tile.begin(), iii) );
  m_rIdstile.resize( std::distance(m_rIdstile.begin(), iij) );
 
  vrodid32lar.insert(vrodid32lar.end(),vrodid32em.begin(),vrodid32em.end());
  vrodid32hec.insert(vrodid32hec.end(),vrodid32hec0.begin(),vrodid32hec0.end());
  vrodid32lar.insert(vrodid32lar.end(),vrodid32hec.begin(),vrodid32hec.end());
  vrodid32lar.insert(vrodid32lar.end(),vrodid32fcalhad.begin(),vrodid32fcalhad.end());
  vrodid32lar.insert(vrodid32lar.end(),vrodid32fcalem.begin(),vrodid32fcalem.end());
  m_vrodid32fullDet.insert(m_vrodid32fullDet.end(), vrodid32lar.begin(), vrodid32lar.end() );
  
 
  SG::ReadCondHandle<LArMCSym> mcsym (m_mcsymKey, context);
  SG::ReadCondHandle<LArFebRodMapping> febrod(m_febRodMappingKey, context);
  SG::ReadCondHandle<LArBadChannelCont> larBadChan{ m_bcContKey, context };
  SG::ReadCondHandle<LArOnOffIdMapping> onoff ( m_onOffIdMappingKey, context);
  SG::ReadCondHandle<LArRoIMap> roimap ( m_larRoIMapKey, context);
  SG::ReadCondHandle<TileHid2RESrcID> tileHid2RESrcID ( m_tileHid2RESrcIDKey, context);
 
  unsigned int nFebs=70;
  unsigned int high_granu = (unsigned int)ceilf(m_vrodid32fullDet.size()/((float)nFebs) );
  unsigned int jj=0;
  unsigned int kk=0;
  m_vrodid32fullDetHG.resize(high_granu);
  for( unsigned int ii=0; ii<m_vrodid32fullDet.size();ii++){
    if ( kk >= nFebs ) {
       kk-=nFebs;
       jj++;
    }
    std::vector<uint32_t> & vec = m_vrodid32fullDetHG.at(jj);
    vec.push_back(m_vrodid32fullDet[ii]);
    kk++;
  }
  SG::ReadCondHandle<CaloDetDescrManager> caloMgrHandle{m_caloMgrKey, context};
  const CaloDetDescrManager* theCaloDDM = *caloMgrHandle;
  const CaloCell_ID* theCaloCCIDM = theCaloDDM->getCaloCell_ID();
  unsigned int hashMax = theCaloCCIDM->calo_cell_hash_max();
 
  // Prepare cache containers to be used for LAr unpacking.
  for ( size_t slot  = 0; slot <  m_nSlots; ++ slot ) {
  EventContext ec;
  ec.setSlot( slot );
  HLTCaloEventCache *cache = m_hLTCaloSlot.get( ec );
  cache->larContainer = new LArCellCont();
  cache->larRodBlockStructure_per_slot = nullptr;
  if ( cache->larContainer->initialize( **roimap, **onoff, **mcsym, **febrod, **larBadChan, *theCaloDDM).isFailure() )
    return 0x1; // dummy code 
  std::vector<CaloCell*> local_cell_copy;
  local_cell_copy.reserve(200000);
  LArCellCont* larcell = cache->larContainer;
  cache->lastFSEvent = 0xFFFFFFFF;
  CaloCellContainer* cachefullcont = new CaloCellContainer(SG::VIEW_ELEMENTS);
  cachefullcont->reserve(190000);
  const LArBadChannelCont& badchannel = **larBadChan;
  for(unsigned int lcidx=0; lcidx < larcell->size(); lcidx++){
          LArCellCollection* lcc = larcell->at(lcidx);
          unsigned int lccsize = lcc->size();
          for(unsigned int lccidx=0; lccidx<lccsize; lccidx++){
                  CaloCell* cell = ((*lcc).at(lccidx));
                  if ( cell && cell->caloDDE() ) {
            LArBadChannel bc = badchannel.offlineStatus(cell->ID());
                    bool good(true);
                    if (! bc.good() ){
                      // cell has some specific problems
                      if ( bc.unstable() ) good=false;
                      if ( bc.highNoiseHG() ) good=false;
                      if ( bc.highNoiseMG() ) good=false;
                      if ( bc.highNoiseLG() ) good=false;
                      if ( bc.problematicForUnknownReason() ) good=false;
                    }
                    if ( good ) local_cell_copy.push_back( cell );
          }
          } // end of loop over cells
  } // end of loop over collection
 
// This should stay here as this will be enabled when tile is ready to be decoded as well
  TileCellCont* tilecell = new TileCellCont();
  cache->tileContainer = tilecell;
  tilecell->setHashIdToROD( *tileHid2RESrcID );
  if( tilecell->initialize().isFailure() ) return 0x1; //dummy code
  for (unsigned int i=0;i<4;i++) {
    m_tileDecoder->loadRw2Cell ( i, tilecell->Rw2CellMap(i) );
    m_tileDecoder->loadRw2Pmt  ( i, tilecell->Rw2PmtMap (i) );
  }
  m_tileDecoder->loadMBTS( tilecell->MBTS_map(), tilecell->MBTS_channel() );
  m_mbts_rods = tilecell->MBTS_RODs();
  for(size_t i = 0 ; i < m_mbts_rods->size(); i++)
  m_mbts_add_rods.insert(m_mbts_add_rods.end(),(*m_mbts_rods).begin(),(*m_mbts_rods).end());
  sort(m_mbts_add_rods.begin(),m_mbts_add_rods.end());
  m_mbts_add_rods.erase(std::unique(m_mbts_add_rods.begin(),m_mbts_add_rods.end()),m_mbts_add_rods.end());
  TileROD_Decoder::D0CellsHLT* d0cellsp = new TileROD_Decoder::D0CellsHLT();
  for(unsigned int lcidx=0; lcidx < tilecell->size(); lcidx++){
          TileCellCollection* lcc = tilecell->at(lcidx);
          unsigned int lccsize = lcc->size();
          for(unsigned int lccidx=0; lccidx<lccsize; lccidx++){
                  CaloCell* cell = ((*lcc).at(lccidx));
                  if ( cell ) local_cell_copy.push_back( cell );
          } // end of loop over cells
      TileRawChannelCollection::ID frag_id = ((*lcc).identify() & 0x0FFF);
      int ros = (frag_id >> 8);
      if ( ros == 1 ) { //treatment for d0Cells in barrel
        int drawer = (frag_id & 0xFF);
        TileCellCollection::iterator pCell = lcc->begin();
        pCell+=2;
        d0cellsp->m_cells[drawer] = *pCell;
      }
  } // end of loop over collection
 
  // d0merge cells
  cache->d0cells = d0cellsp;
 
  // For the moment the container has to be completed by hand (again, because of tile)
  for(unsigned int i=0;i<hashMax;i++){
        cachefullcont->push_back_fast(nullptr);
  }
 
  unsigned int localcellMax = local_cell_copy.size();
  for(unsigned int i=0;i<localcellMax;i++){
        unsigned int j = local_cell_copy.at(i)->caloDDE()->calo_hash();
        if ( j < hashMax ) {
                cachefullcont->at(j) = local_cell_copy.at(i);
        }
  }
  for(unsigned int i=0;i<hashMax;i++)
        if ( cachefullcont->at(i) == nullptr ){
                Identifier id = theCaloCCIDM->cell_id(i);
                if ( id!=0 ){
                  const CaloDetDescrElement* el = theCaloDDM->get_element(id);
          if ( el->is_tile() ) {
             cachefullcont->at(i) = new TileCell(el,0,0,0,0,CaloGain::TILEHIGHHIGH);
          } else {
             cachefullcont->at(i) = new LArCell(el,0,0,0,(CaloGain::CaloGain)0);
          }
 
          if (slot==0) m_insertedCells.push_back(i);
                }
        }
 
  cachefullcont->setHasCalo(CaloCell_ID::LAREM);
  cachefullcont->setHasCalo(CaloCell_ID::LARHEC);
  cachefullcont->setHasCalo(CaloCell_ID::LARFCAL);
  cachefullcont->setHasCalo(CaloCell_ID::TILE); //lying... But this needs to be checked later
 
  // make sure this "map" container has a good hashID
  cachefullcont->order();
 
  if ( hashMax != cachefullcont->size() )
    ATH_MSG_ERROR("Problem in the size of the full container");
  cachefullcont->setIsOrdered(true);
  cachefullcont->setIsOrderedAndComplete(true);
  cache->fullcont = cachefullcont;
 
  local_cell_copy.clear();
  }
  m_lateInitDone = true;
  return 0x0;
}
 
unsigned int TrigCaloDataAccessSvc::convertROBs( const std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*>& robFrags, 
                                               LArCellCont* larcell, LArRodBlockStructure*& larRodBlockStructure_per_slot,
                        uint16_t rodMinorVersion, uint32_t robBlockType, const LArDeadOTXFromSC* deadHandle ) {
 
  unsigned int status(0);
  for ( auto rob: robFrags ) {
    uint32_t sourceID = rob->source_id();
    const std::vector<LArCellCollection*>::const_iterator it = larcell->find( sourceID );
    //TB The find also switches the state of the collection to "decoded" so repeated decoding is avoided
 
    if ( it != larcell->end() && ( *it )->size() != 0 ) { // Already decoded collection
 
      // TB if we have entered here it means the decoding did not occur yet ( or failed )
      // 
      LArCellCollection* coll = *it; 
      ATH_MSG_DEBUG( "ROB of ID " << sourceID << " to be decoded"   );
 
      std::lock_guard<std::mutex> decoderLock( m_lardecoderProtect );
      //TB next two lines seem danger, as they seem to rely on the decoder state 
      const HWIdentifier& feb_id_local = larcell->findsec( sourceID );
      m_larDecoder->setsecfeb( feb_id_local );
      if ( ! m_larDecoder->check_valid( rob, msg() ) ){
        ATH_MSG_WARNING( "Error reading bytestream"<<
                 "event: Bad ROB block ( eformat checks ) : 0x"
                 << std::hex << sourceID << std::dec );
        // Data seems corrupted
        //status |= 0x1; // dummy code
        reset_LArCol ( coll );
 
      } else {
    // Get Rod Data and size of fragment
    const uint32_t* roddata = 0;
    rob->rod_data( roddata );
    size_t roddatasize = rob->rod_ndata();
    if ( roddatasize < 3 ) {
      ATH_MSG_WARNING( "Error reading bytestream"<<
               "event: Empty ROD block ( less than 3 words ) : 0x"
               << std::hex << sourceID << std::dec );
      // Data seems corrupted
      //status |= 0x1; // dummy code
      reset_LArCol ( coll );
    } else { // End of if small size
      //TB the converter has state
      m_larDecoder->fillCollectionHLT( *rob, roddata, roddatasize, *coll, larRodBlockStructure_per_slot, rodMinorVersion, robBlockType );
      if ( deadHandle ){
            if ( deadHandle->isThisOTXdead(feb_id_local) ) {
                const std::vector<float>& corr = deadHandle->correctionFromThisOTXdead(feb_id_local);
        // The sizes here are guaranteed by construction
        for(size_t i=0;i<128;i++) {
            (*coll)[i+128]->set(corr[i],0,0,0x1000,CaloGain::LARHIGHGAIN);
        }
        }
        HWIdentifier feb_id_local2(larRodBlockStructure_per_slot->getFEBID());
            if ( deadHandle->isThisOTXdead(feb_id_local2) ) {
                const std::vector<float>& corr = deadHandle->correctionFromThisOTXdead(feb_id_local2);
        // The sizes here are guaranteed by construction
        for(size_t i=0;i<128;i++) (*coll)[i]->set(corr[i],0,0,0x1000,CaloGain::LARHIGHGAIN);
 
        }
          }
 
      // Accumulates inferior byte from ROD Decoder
      // TB the converter has state
      //status |= (m_larDecoder->report_error());
 
      if ( m_applyOffsetCorrection ) larcell->applyBCIDCorrection( sourceID );
    } 
    
      }
    } else {
      ATH_MSG_VERBOSE( "ROB of ID " <<  sourceID << " already decoded" );
    }
  }
  ATH_MSG_DEBUG( "finished decoding" );
  return status;
}
 
unsigned int TrigCaloDataAccessSvc::convertROBs( const EventContext& context, 
                        const std::vector<IdentifierHash>& rIds,
                        TileCellCont* tilecell,
                        TileROD_Decoder::D0CellsHLT* d0cells) {
  unsigned int status(0);
  TileCellCollection* mbts = tilecell->MBTS_collection();
  const TileHid2RESrcID* hid2re = tilecell->getHashIdToROD();
 
  size_t listIDsize = rIds.size();
  std::vector<unsigned int> tile; tile.push_back(0);
  // Tile likes rob by rob
  std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*> robFrags1; 
  for (size_t i = 0; i < listIDsize; ++i){
          tile[0] = tilecell->find_rod(rIds[i]);
          m_robDataProvider->getROBData(context,tile,robFrags1);
          // Number of ROBs smaller than requested is below
          //if ( robFrags1.empty() ) m_error|=0x10000000;
          // Find the collection to fill
          const std::vector<TileCellCollection*>::const_iterator it =
                  (tilecell->find(rIds[i]));
          TileCellCollection* col = *it;
          if ( robFrags1.size()!=0 && col != nullptr ) {
            size_t roddatasize = robFrags1[0]->rod_ndata();
            // insert data into vector (to be removed soon)
            if (roddatasize < 3) {
              ATH_MSG_WARNING( "Error reading bytestream"<<
                             "event: Empty ROD block (less than 3 words) : 0x"
                             << std::hex << tile[0] << std::dec );
              msg(MSG::WARNING) << "Error reading bytestream "
                              << "event: Empty ROD block (less than 3 words) : 0x"
                              << std::hex << tile[0] << std::dec << endmsg;
              // Data seems corrupted
              //m_error|=0x20000000;
              if ( !tilecell->cached(rIds[i])){
                  // resets collection
                  reset_TileCol(col);
              }
              robFrags1.clear();
            } else  {// End of if small size
              std::lock_guard<std::mutex> decoderLock { m_tiledecoderProtect };  
              if ( !tilecell->cached(rIds[i]))
                m_tileDecoder->fillCollectionHLT(robFrags1[0],*col,*d0cells,mbts,hid2re);
              m_tileDecoder->mergeD0cellsHLT(*d0cells,*col);
              // Accumulates superior byte from ROD Decoder
              //m_error|=m_tileDecoder->report_error();
              robFrags1.clear();
            } // end of else
          } // end of if robFrags1.size
  } // End of for through RobFrags
 
  ATH_MSG_DEBUG( "finished decoding" );
  return status;
}
 
void TrigCaloDataAccessSvc::missingROBs( const std::vector<uint32_t>& request,
                     const std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*>& response,
                     std::set<uint32_t>& missing ) const {
 
  std::set<uint32_t> receivedROBsSet;
  for ( auto rob: response ) 
    receivedROBsSet.insert( rob->source_id() );
  std::set<uint32_t> requestedROBsSet( request.begin(), request.end() );
  
  std::set_difference( requestedROBsSet.begin(), requestedROBsSet.end(),
               receivedROBsSet.begin(), receivedROBsSet.end(),
               std::inserter( missing, missing.begin() ) );  
}
 
 
void TrigCaloDataAccessSvc::clearMissing( const std::vector<uint32_t>& request,
                      const std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*>& response, 
                      LArCellCont* larcell ) {
  std::set<uint32_t> missing;
  missingROBs( request, response, missing );
  for ( uint32_t robID : missing ) {
    const std::vector<LArCellCollection*>::const_iterator it = larcell->find( robID );
    if ( it != larcell->end() && ( *it )->size()!=0 ) { // Already decoded collection
      reset_LArCol ( *it );
    } 
  }  
}
 
 
unsigned int TrigCaloDataAccessSvc::prepareLArCollections( const EventContext& context,
                                                         const IRoiDescriptor& roi,
                                                         const int sampling,
                                                         DETID detector ) {
 
  // If the full event was already unpacked, don't need to unpack RoI
  if ( !m_lateInitDone && lateInit(context) ) {
    return 0x1; // dummy code
  }
  HLTCaloEventCache* cache = m_hLTCaloSlot.get( context );
  if ( cache->lastFSEvent == context.evt() ) return 0x0;
 
  std::vector<uint32_t> requestROBs;
 
  std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*> robFrags;
  {
    std::lock_guard<std::mutex> dataPrepLock { m_dataPrepMutex };
    switch ( detector ) {
    case TTEM: {m_regionSelector_TTEM->lookup(context)->ROBIDList( sampling, roi, requestROBs ); break; }
    case TTHEC: {m_regionSelector_TTHEC->lookup(context)->ROBIDList( sampling, roi, requestROBs ); break; }
    case FCALEM: {m_regionSelector_FCALEM->lookup(context)->ROBIDList( sampling, roi, requestROBs ); break; }
    case FCALHAD: {m_regionSelector_FCALHAD->lookup(context)->ROBIDList( sampling, roi, requestROBs ); break; }
    default: break;
    }
 
    m_robDataProvider->addROBData( context, requestROBs );
    m_robDataProvider->getROBData( context, requestROBs, robFrags );
  }
  if ( robFrags.empty() && (!requestROBs.empty()) ) {
    return 0x0; // dummy code
  }
 
  auto lockTime = Monitored::Timer ( "TIME_locking_LAr_RoI" );
  std::lock_guard<std::mutex> collectionLock { cache->mutex };  
  lockTime.stop();
 
  // TB, what would happen from now inside the collection unapcking
  // if this event number is different than the one for each collection the unpacking will happen, 
  // if it is the same the unpacking will not be repeated
  // same in prepareLArFullCollections
  cache->larContainer->eventNumber( context.evt() );
  if ( m_applyOffsetCorrection && cache->larContainer->lumiBCIDCheck( context ) ) {
    SG::ReadHandle<CaloBCIDAverage> avg (m_bcidAvgKey, context);
        SG::ReadCondHandle<LArOnOffIdMapping> onoff ( m_onOffIdMappingKey, context);
        const CaloBCIDAverage* avgPtr = avg.cptr();
    const LArOnOffIdMapping* onoffPtr = onoff.cptr();
    if ( avgPtr && onoffPtr ) cache->larContainer->updateBCID( *avgPtr, *onoffPtr ); 
  }
 
  const LArDeadOTXFromSC* deadHandle = nullptr;
  if ( m_correctDead ){
    SG::ReadHandle<LArDeadOTXFromSC> deadHdl(m_deadOTXFromSCKey, context);
    if ( !deadHdl.isValid() ){
       ATH_MSG_WARNING("Should not try to use LArDEADOTXFromSC" );
    } else {
       deadHandle = deadHdl.cptr();
    }
  }
  
  unsigned int status = convertROBs( robFrags, ( cache->larContainer ), (cache->larRodBlockStructure_per_slot), cache->rodMinorVersion, cache->robBlockType, deadHandle  );
 
  if ( requestROBs.size() != robFrags.size() ) {
    ATH_MSG_DEBUG( "Missing ROBs, requested " << requestROBs.size() << " obtained " << robFrags.size() );
    //status |= 0x1; // dummy code
    clearMissing( requestROBs, robFrags, ( cache->larContainer ) );
  }
  auto roiROBs = Monitored::Scalar( "roiROBs_LAr", robFrags.size() );
  auto roiEta = Monitored::Scalar( "roiEta_LAr", roi.eta() );
  auto roiPhi = Monitored::Scalar( "roiPhi_LAr", roi.phi() );
 
  Monitored::Group( m_monTool, lockTime, roiEta, roiPhi, roiROBs );
  return status;
}
 
unsigned int TrigCaloDataAccessSvc::prepareTileCollections( const EventContext& context,
                                                         const IRoiDescriptor& roi) {
 
  // If the full event was already unpacked, don't need to unpack RoI
  if ( !m_lateInitDone && lateInit(context) ) {
    return 0x1; // dummy code
  }
  HLTCaloEventCache* cache = m_hLTCaloSlot.get( context );
  if ( cache->lastFSEvent == context.evt() ) return 0x0;
 
  std::vector<uint32_t> requestROBs;
  std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*> robFrags;
  std::vector<IdentifierHash> rIds;
  {
    std::lock_guard<std::mutex> dataPrepLock { m_dataPrepMutex };
    m_regionSelector_TILE->lookup(context)->ROBIDList( 0, roi, requestROBs ); 
    m_regionSelector_TILE->lookup(context)->HashIDList(roi, rIds);
    m_robDataProvider->addROBData( context, requestROBs );
  }
 
 
  std::lock_guard<std::mutex> collectionLock { cache->mutex };  
  if ( cache->tileContainer->eventNumber() != context.evt() )
     cache->d0cells->clear();
  cache->tileContainer->eventNumber( context.evt() );
 
  unsigned int status = convertROBs( context, rIds, cache->tileContainer, cache->d0cells );
 
  return status;
}
 
unsigned int TrigCaloDataAccessSvc::prepareMBTSCollections( const EventContext& context) {
 
  // If the full event was already unpacked, don't need to unpack RoI
  if ( !m_lateInitDone && lateInit(context) ) {
    return 0x0; // dummy code
  }
  HLTCaloEventCache* cache = m_hLTCaloSlot.get( context );
  if ( cache->lastFSEvent == context.evt() ) return 0x0;
 
  std::vector<const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment*> robFrags;
  {
    std::lock_guard<std::mutex> dataPrepLock { m_dataPrepMutex };
    m_robDataProvider->addROBData( context, m_mbts_add_rods );
  }
  std::lock_guard<std::mutex> collectionLock { cache->mutex };  
  TileCellCont* tilecell = cache->tileContainer;
  if ( cache->tileContainer->eventNumber() != context.evt() )
     cache->d0cells->clear();
  cache->tileContainer->eventNumber( context.evt() );
 
  const std::vector<unsigned int>* ids = tilecell->MBTS_IDs();
  std::vector<IdentifierHash> tileIds;
  for(size_t i=0;i<ids->size(); i++) tileIds.push_back( (*ids)[i] );
  unsigned int status = convertROBs( context, tileIds, cache->tileContainer, cache->d0cells );
 
  return status;
}
 
 
 
StatusCode TrigCaloDataAccessSvc::loadMBTS ( const EventContext& context,
                                                    std::vector<const TileCell*>& loadedCells ) {
 
  ATH_MSG_DEBUG( "MBTS requested for event " << context );
  unsigned int sc = prepareMBTSCollections(context);
 
  if ( sc ) return StatusCode::FAILURE;
 
  HLTCaloEventCache* cache = m_hLTCaloSlot.get( context );
  std::lock_guard<std::mutex> collectionLock { cache->mutex };  
  TileCellCont* tilecell = cache->tileContainer;
  TileCellCollection* mbts = tilecell->MBTS_collection();
  loadedCells.reserve(mbts->size());
  for (size_t i=0;i<mbts->size(); ++i)
        loadedCells.push_back(mbts->at(i));
  return StatusCode::SUCCESS;
 
}