CTPByteStreamTool.cxx

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
// CTP data format include(s):
#include "CTPfragment/CTPfragment.h"
#include "CTPfragment/CTPdataformat.h"
#include "CTPfragment/CTPdataformatVersion.h"
 
// Trigger include(s):
#include "TrigT1Result/CTP_RDO.h"
 
// Local include(s):
#include "CTPByteStreamTool.h"
 
static const InterfaceID IID_ICTPByteStreamTool( "CTPByteStreamTool", 1, 0 );
 
const InterfaceID& CTPByteStreamTool::interfaceID() {
  return IID_ICTPByteStreamTool;
}
 
CTPByteStreamTool::CTPByteStreamTool( const std::string& type, const std::string& name,
                                      const IInterface* parent )
  : AthAlgTool( type, name, parent ) {
  
  declareInterface< CTPByteStreamTool >( this );
}
 
 
StatusCode CTPByteStreamTool::convert( const CTP_RDO* result, RawEventWrite* re ) {
 
  MsgStream log( msgSvc(), name() );
  ATH_MSG_DEBUG("executing convert() from RDO to ROBFragment");
 
  //get CTP version
  unsigned int ctpVersionNumber = result->getCTPVersionNumber();
  CTPdataformatVersion ctpVersion(ctpVersionNumber);
  
  // Clear Event Assembler
  m_fea.clear();
 
  // Reset lumi-block number to 1
  m_fea.setDetEvtType( 1 );
  // Set L1Apos to center of readout window
  uint16_t minorVersion = ( result->getNumberOfBunches() - 1u ) / 2u;
  minorVersion &= ctpVersion.getL1APositionMask();
  minorVersion <<= ctpVersion.getL1APositionShift();
  m_fea.setRodMinorVersion( minorVersion );  
 
  FullEventAssembler< CTPSrcIdMap >::RODDATA* theROD;
 
  // Source ID of CTP
  const uint32_t rodId = m_srcIdMap.getRodID();
 
  ATH_MSG_DEBUG(" ROD ID:" << MSG::hex << rodId);
 
  // get the ROD data container to be filled
  theROD = m_fea.getRodData( rodId );
 
  ATH_MSG_VERBOSE(" Dumping CTP words:");
 
  // fill Data Words
  const std::vector< uint32_t >& vDataWords = result->getDataWords();
  std::vector< uint32_t >::const_iterator it = vDataWords.begin();
  std::vector< uint32_t >::const_iterator end = vDataWords.end();
  for( ; it != end; ++it ) {
    theROD->push_back( *it );
    ATH_MSG_VERBOSE("     0x" << MSG::hex << std::setw( 8 )  << ( *it ));
  }
 
  // Now fill full event
  ATH_MSG_DEBUG("Now filling the event with the CTP fragment");
  m_fea.fill( re, log );
 
  return StatusCode::SUCCESS;
}
 
 
StatusCode CTPByteStreamTool::convert( const ROBF* rob, CTP_RDO*& result ) {
 
  MsgStream log( msgSvc(), name() );
  ATH_MSG_DEBUG("executing convert() from ROBFragment to RDO");
  
  const uint32_t ctpRodId = m_srcIdMap.getRodID();
  const uint32_t rodId = rob->rod_source_id();
 
  ATH_MSG_DEBUG(" expected ROD sub-detector ID: " << std::hex << ctpRodId 
      << " ID found: " << std::hex << rodId << std::dec);  
 
  if ( rodId == ctpRodId ) {
 
    ATH_MSG_VERBOSE(" Dumping CTP words:");
 
    // For generality let's declare the data pointer like this. Altough it's
    // unlikely to ever change from being a pointer to uint32_t-s.
    OFFLINE_FRAGMENTS_NAMESPACE::PointerType it_data;
    rob->rod_data( it_data );
    const uint32_t ndata = rob->rod_ndata();
 
    // data words
    std::vector<uint32_t> vDataWords;
    for ( uint32_t i = 0; i < ndata; ++i, ++it_data ) {
      vDataWords.push_back( static_cast<uint32_t>( *it_data ) );
      ATH_MSG_VERBOSE("     0x" << MSG::hex << std::setw( 8 )  << *it_data);
    }
 
    // create CTP RDO
    uint32_t nExtraWords=0;
    nExtraWords=CTPfragment::numberExtraPayloadWords(rob);
    unsigned int ctpVersionNumber = CTPfragment::ctpFormatVersion(rob);
    result = new CTP_RDO(ctpVersionNumber, std::move(vDataWords) , nExtraWords);
 
    uint8_t l1apos =  CTPfragment::lvl1AcceptBunch(rob);
    result->setL1AcceptBunchPosition(l1apos);
 
    uint32_t tc = CTPfragment::turnCounter(rob);
    result->setTurnCounter(tc);
 
    return StatusCode::SUCCESS;
  }
 
  ATH_MSG_ERROR("Wrong ROD ID found in the CTP ROB fragment!");
  return StatusCode::FAILURE;
}