CTPByteStreamCnv.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
 
// Gaudi/Athena include(s):
#include "GaudiKernel/MsgStream.h"
#include "ByteStreamCnvSvcBase/ByteStreamAddress.h"
#include "ByteStreamData/RawEvent.h"
#include "ByteStreamData/ROBData.h"
 
#include "AthenaKernel/StorableConversions.h"
 
// Trigger include(s):
#include "TrigT1Result/CTP_RDO.h"
 
// Local include(s):
#include "CTPByteStreamCnv.h"

CTPByteStreamCnv::CTPByteStreamCnv( ISvcLocator* svcloc )
  : Converter( storageType(), classID(), svcloc ),
    m_tool( "CTPByteStreamTool" ),
    m_robDataProvider( "ROBDataProviderSvc", "CTPByteStreamCnv" ),
    m_ByteStreamEventAccess( "ByteStreamCnvSvc", "CTPByteStreamCnv" ) {
 
}

CLID CTPByteStreamCnv::classID() {
 
  return ClassID_traits< CTP_RDO >::ID();
 
}
 
long CTPByteStreamCnv::storageType() {
  return ByteStreamAddress::storageType();
}

StatusCode CTPByteStreamCnv::initialize() {
 
  //
  // Initialise the base class:
  //
  ATH_CHECK(  Converter::initialize() );
 
  MsgStream log( msgSvc(), "CTPByteStreamCnv" );
  log << MSG::DEBUG << "CTPByteStreamCnv in initialize() " << endmsg;
 
  //
  // Get ByteStreamCnvSvc:
  //
  ATH_CHECK(  m_ByteStreamEventAccess.retrieve() );
  log << MSG::DEBUG << "Connected to ByteStreamEventAccess interface" << endmsg;
 
  //
  // Get CTPByteStreamTool:
  //
  ATH_CHECK( m_tool.retrieve() );
  log << MSG::DEBUG << "Connected to CTPByteStreamTool" << endmsg;
 
  //
  // Get ROBDataProvider:
  //
  if( m_robDataProvider.retrieve().isFailure() ) {
    log << MSG::WARNING << "Can't get ROBDataProviderSvc" << endmsg;
    // return is disabled for Write BS which does not requre ROBDataProviderSvc
  } else {
    log << MSG::DEBUG << "Connected to ROBDataProviderSvc" << endmsg;
  }
 
  return StatusCode::SUCCESS;
}

StatusCode CTPByteStreamCnv::createObj( IOpaqueAddress* pAddr, DataObject*& pObj ) {
 
  MsgStream log( msgSvc(), "CTPByteStreamCnv" );
  log << MSG::DEBUG << "createObj() called" << endmsg;
 
  ByteStreamAddress* pBS_Addr{};
  ATH_CHECK( (pBS_Addr = dynamic_cast<ByteStreamAddress*>(pAddr)) != nullptr );
 
  const EventContext& ctx = pBS_Addr->getEventContext();
 
  log << MSG::DEBUG << "Creating Objects: " << *( pBS_Addr->par() ) << endmsg;
 
  //
  // Get the SourceID:
  //
  const uint32_t robId = m_srcIdMap.getRobID( m_srcIdMap.getRodID() );
 
  log << MSG::DEBUG << "expected ROB sub-detector ID: " << std::hex 
      << robId << std::dec << endmsg;  
 
  std::vector< uint32_t > vID;
  vID.push_back( robId );
 
  //
  // Get the ROB fragment:
  //
  IROBDataProviderSvc::VROBFRAG robFrags;
  m_robDataProvider->getROBData( ctx, vID, robFrags );
 
  //
  // Size check:
  //
  if( robFrags.size() != 1 ) {
    log << MSG::WARNING << "Number of ROB fragments is " << robFrags.size() << endmsg;
    log << MSG::WARNING << "Creating empty CTP_RDO object" << endmsg;
 
    CTP_RDO* result = new CTP_RDO(3,0,0);
    pObj = SG::asStorable( result );
    return StatusCode::SUCCESS;
  }
 
  //
  // Do the actual conversion:
  //
  IROBDataProviderSvc::VROBFRAG::const_iterator it = robFrags.begin();
  CTP_RDO* result = 0;
 
  ATH_CHECK(  m_tool->convert( ROBData( *it ).getROBFragment(), result ) );
  pObj = SG::asStorable( result ) ;
 
  return StatusCode::SUCCESS;
}

StatusCode CTPByteStreamCnv::createRep( DataObject* pObj, IOpaqueAddress*& pAddr ) {
 
  MsgStream log( msgSvc(), "CTPByteStreamCnv" );
  log << MSG::DEBUG << "createRep() called" << endmsg;
 
  RawEventWrite* re = m_ByteStreamEventAccess->getRawEvent();
 
  CTP_RDO* result;
  if( ! SG::fromStorable( pObj, result ) ) {
    log << MSG::ERROR << " Cannot cast to CTP_RDO" << endmsg;
    return StatusCode::FAILURE;
  }
 
  ByteStreamAddress* addr = new ByteStreamAddress( classID(), pObj->registry()->name(), "" );
 
  pAddr = addr;
 
  // Convert to ByteStream
  return m_tool->convert( result, re );
}