NRPC_RawDataProviderTool.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "NRPC_RawDataProviderTool.h"
 
#include "xAODMuonRDO/NRPCRDOAuxContainer.h"
 
namespace Muon {
 
StatusCode NRPC_RawDataProviderTool::initialize() {
 
    // Get ROBDataProviderSvc
    ATH_CHECK(m_robDataProvider.retrieve());
    ATH_CHECK(m_idHelperSvc.retrieve());
    ATH_CHECK(m_rdoContainerKey.initialize());
    ATH_CHECK(m_readKey.initialize()); 
    return StatusCode::SUCCESS;
}
 
StatusCode NRPC_RawDataProviderTool::convertIntoContainer(
    const ROBFragmentList& vecRobs, const EventContext& ctx) const {
    
    ATH_MSG_VERBOSE("convert(): " << vecRobs.size() << " ROBFragments.");
    SG::WriteHandle rdoContainer(m_rdoContainerKey, ctx);
    ATH_CHECK(rdoContainer.record(std::make_unique<xAOD::NRPCRDOContainer>(), std::make_unique<xAOD::NRPCRDOAuxContainer>()));
 
    ATH_MSG_VERBOSE("convert(): " << vecRobs.size() << " ROBFragments.");
 
    for (const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment* frag : vecRobs) {
        // convert only if data payload is delivered
        if (frag->rod_ndata() != 0) {
            ATH_CHECK(fillCollections(*frag, *rdoContainer).ignore() );
        } else {
            ATH_MSG_DEBUG(" ROB " << MSG::hex << frag->source_id() << " is delivered with an empty payload" );
        }
    }
 
    return StatusCode::SUCCESS;
}
 
StatusCode NRPC_RawDataProviderTool::convert(const EventContext& ctx) const  {
    const RpcCablingMap* cabling{nullptr};
    ATH_CHECK(SG::get(cabling, m_readKey, ctx));
    return convert(cabling->getAllROBId(), ctx);
}
 
 
StatusCode NRPC_RawDataProviderTool::convert(const std::vector<IdentifierHash>& HashVec,
                                             const EventContext& ctx) const {
    const RpcCablingMap* cabling{nullptr};
    ATH_CHECK(SG::get(cabling, m_readKey, ctx));
    return convert(cabling->getROBId(HashVec, msgStream()), ctx);
}
 
StatusCode NRPC_RawDataProviderTool::convert(const std::vector<uint32_t>& robIds, 
                                             const EventContext& ctx) const {
    ROBFragmentList vecOfRobf;
    m_robDataProvider->getROBData(ctx, robIds, vecOfRobf);
    return convertIntoContainer(vecOfRobf, ctx); 
}
 
 
StatusCode NRPC_RawDataProviderTool::fillCollections(const OFFLINE_FRAGMENTS_NAMESPACE::ROBFragment& robFrag, 
                                                     xAOD::NRPCRDOContainer& rdoIdc) const {
#define WARNING_WITH_LINE(msg) ATH_MSG_WARNING(__FILE__ << ":" << __LINE__<< " " << msg)
    try {
        robFrag.check();
    } catch (eformat::Issue& ex) {
        ATH_MSG_VERBOSE(ex.what());
        return StatusCode::SUCCESS;  // error in fragment
    }
 
    //uint32_t nstat = robFrag.nstatus();
    uint32_t version = robFrag.rod_version();
    uint32_t sourceId = robFrag.source_id();
    uint32_t rod_sourceId = robFrag.rod_source_id();
 
    // Unpack sub-detector and board sector from sourceId
    uint16_t subDetector = sourceId >> 16;
    uint16_t boardSector = (sourceId & 0x00ffff);
 
    ATH_MSG_VERBOSE("ROD version: " << MSG::hex << version << MSG::dec << "  ROB source ID: " << MSG::hex << sourceId << MSG::dec
                                    << "  ROD source ID: " << MSG::hex << rod_sourceId << MSG::dec << "  Subdetector: " << MSG::hex
                                    << subDetector << MSG::dec << "  boardSector: " << std::hex 
                                    << boardSector << std::dec );
 
 
 
    // get the pointer to the data
    BS data;
    robFrag.rod_data(data);
 
    const unsigned int data_size = robFrag.rod_ndata();
    
 
    // Loop on words
    unsigned int idata=0;
    while (idata<data_size) {
        if (data[idata]==6 && data[idata+4]==0xa0 && data[idata+5]==0) {
            ATH_MSG_DEBUG("NRPC: Empty board " << std::hex << data[idata+4] << std::dec << " for " << std::hex << data[idata+1] << std::dec );
        } else if (data[idata]<6) {
            WARNING_WITH_LINE("NRPC: Corrupted: Number of words from board " << std::hex << data[idata+4] << std::dec << " is <6 :" << data[idata] );
            break;
        } else if ( idata+data[idata] > data_size) {
            WARNING_WITH_LINE("NRPC: Corrupted number of words from board " << std::hex << data[idata+4] << std::dec << " is too large :" << std::hex << data[idata] << std::dec );
            break;
        } else if ( (data[idata+data[idata]-2] & 0x000000ff) != 0xa0) {
            WARNING_WITH_LINE("NRPC: Missing expected trailer a0" );
            break;
        } else {
 
            // Bit inversion and manipulation needed to decode nominal BCID
            uint32_t bcid12 = (data[idata+2] & 0xff000000) >> 24;
            uint32_t bcid34 = (data[idata+2] & 0x00ff0000) >> 8;
            uint32_t bcid56 = (data[idata+2] & 0x0000ff00) << 8;
            uint32_t bcid78 = (data[idata+2] & 0x000000ff) << 24;
            uint32_t bcid_nom =  (bcid12 | bcid34 | bcid56 | bcid78) >> 4;
            
            // Decode data
            for (unsigned int i=0; i<data[idata]-6; i++) {
                uint16_t board = (data[idata+4+i] & 0x000000ff) ;
                uint16_t chan = (data[idata+4+i] & 0x0000ff00) >> 8 ;
                float tot = ((data[idata+4+i] & 0x007f0000) >> 16)*0.4 ;
                float time = ((data[idata+4+i] & 0x0f000000) >> 24)*1.6 ;
                uint32_t bcid_hit = (data[idata+4+i] & 0xf0000000) >> 28 ;
 
                // Compute the BCID of the hit combining the nominal BCID with the last 4 bits from the hit (bcid_hit)
                uint32_t bcid_nom_4bits = (bcid_nom & 0x0000000f) ;
                uint32_t bcid = 0 ;
                if (bcid_hit >= bcid_nom_4bits) {  // The BCID of the hit is subsequent to the nominal 
                    bcid = ( (bcid_nom & 0xfffffff0) | bcid_hit );
                } else {
                    bcid = ( (bcid_nom & 0xfffffff0) | bcid_hit ) + 0x00000010;
                }
 
                // Build the RDO
                xAOD::NRPCRDO* NrpcRdo = rdoIdc.push_back(std::make_unique<xAOD::NRPCRDO>());
                NrpcRdo->setBcid(bcid);
                NrpcRdo->setTime(time);
                NrpcRdo->setSubdetector(subDetector);
                NrpcRdo->setBoardsector(boardSector);
                NrpcRdo->setBoard(board);
                NrpcRdo->setChannel(chan);
                NrpcRdo->setTimeoverthr(tot);
            }
        }
 
        idata+=data[idata];
    }
 
 
    return StatusCode::SUCCESS;
 
}  // end fillCollections
 
 
 
 
}  // namespace Muon