CSCTFUnpacker.cc

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#include "EventFilter/CSCTFRawToDigi/interface/CSCTFUnpacker.h"

//Framework stuff
#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

//Digi
#include "DataFormats/CSCDigi/interface/CSCCorrelatedLCTDigi.h"
#include "DataFormats/L1CSCTrackFinder/interface/L1Track.h"
#include "DataFormats/L1CSCTrackFinder/interface/L1CSCSPStatusDigi.h"
#include "DataFormats/L1CSCTrackFinder/interface/TrackStub.h"

//Digi collections
#include "DataFormats/CSCDigi/interface/CSCCorrelatedLCTDigiCollection.h"
#include "DataFormats/L1CSCTrackFinder/interface/L1CSCTrackCollection.h"
#include "DataFormats/L1CSCTrackFinder/interface/L1CSCStatusDigiCollection.h"
#include "DataFormats/L1CSCTrackFinder/interface/CSCTriggerContainer.h"

//Unique key
#include "DataFormats/MuonDetId/interface/CSCDetId.h"
#include "DataFormats/MuonDetId/interface/DTChamberId.h"

//Don't know what
#include <EventFilter/CSCTFRawToDigi/interface/CSCTFMonitorInterface.h>
#include "FWCore/ServiceRegistry/interface/Service.h"

#include "CondFormats/CSCObjects/interface/CSCTriggerMappingFromFile.h"
//#include <DataFormats/MuonDetId/interface/CSCTriggerNumbering.h>

//#include <iostream>
#include <sstream>

CSCTFUnpacker::CSCTFUnpacker(const edm::ParameterSet& pset):edm::stream::EDProducer<>(),mapping(nullptr){
    LogDebug("CSCTFUnpacker|ctor")<<"Started ...";

    // Edges of the time window, which LCTs are put into (unlike tracks, which are always centred around 0):
    m_minBX = pset.getParameter<int>("MinBX"); //3
    m_maxBX = pset.getParameter<int>("MaxBX"); //9

    // Swap: if(swapME1strips && me1b && !zplus) strip = 65 - strip; // 1-64 -> 64-1 :
    swapME1strips = pset.getParameter<bool>("swapME1strips");

    // Initialize slot<->sector assignment
    slot2sector = pset.getParameter< std::vector<int> >("slot2sector");
    LogDebug("CSCTFUnpacker|ctor")<<"Verifying slot<->sector map from 'vint32 slot2sector'";
    for(int slot=0; slot<22; slot++)
        if( slot2sector[slot]<0 || slot2sector[slot]>12 )
            throw cms::Exception("Invalid configuration")<<"CSCTFUnpacker: sector index is set out of range (slot2sector["<<slot<<"]="<<slot2sector[slot]<<", should be [0-12])";
    // Just for safety (in case of bad data):
    slot2sector.resize(32);

    // As we use standard CSC digi containers, we have to initialize mapping:
    std::string mappingFile = pset.getParameter<std::string>("mappingFile");
    if( mappingFile.length() ){
        LogDebug("CSCTFUnpacker|ctor") << "Define ``mapping'' only if you want to screw up real geometry";
        mapping = new CSCTriggerMappingFromFile(mappingFile);
    } else {
        LogDebug("CSCTFUnpacker|ctor") << "Generating default hw<->geometry mapping";
        class M: public CSCTriggerSimpleMapping{ void fill(void) override{} };
        mapping = new M();
        for(int endcap=1; endcap<=2; endcap++)
            for(int station=1; station<=4; station++)
                for(int sector=1; sector<=6; sector++)
                    for(int csc=1; csc<=9; csc++){
                        if( station==1 ){
                            mapping->addRecord(endcap,station,sector,1,csc,endcap,station,sector,1,csc);
                            mapping->addRecord(endcap,station,sector,2,csc,endcap,station,sector,2,csc);
                        } else
                            mapping->addRecord(endcap,station,sector,0,csc,endcap,station,sector,0,csc);
                    }
    }

    producer = pset.getParameter<edm::InputTag>("producer");

    produces<CSCCorrelatedLCTDigiCollection>();
    produces<L1CSCTrackCollection>();
    produces<L1CSCStatusDigiCollection>();
    produces<CSCTriggerContainer<csctf::TrackStub> >("DT");

    Raw_token = consumes<FEDRawDataCollection>(producer);

}

CSCTFUnpacker::~CSCTFUnpacker(){
    if( mapping ) delete mapping;
}

void CSCTFUnpacker::produce(edm::Event& e, const edm::EventSetup& c){
    // Get a handle to the FED data collection
    edm::Handle<FEDRawDataCollection> rawdata;
    e.getByToken(Raw_token,rawdata);

    // create the collection of CSC wire and strip digis as well as of DT stubs, which we receive from DTTF
    auto LCTProduct = std::make_unique<CSCCorrelatedLCTDigiCollection>();
    auto trackProduct = std::make_unique<L1CSCTrackCollection>();
    auto statusProduct = std::make_unique<L1CSCStatusDigiCollection>();
    auto dtProduct = std::make_unique<CSCTriggerContainer<csctf::TrackStub>>();

    for(int fedid=FEDNumbering::MINCSCTFFEDID; fedid<=FEDNumbering::MAXCSCTFFEDID; fedid++){
        const FEDRawData& fedData = rawdata->FEDData(fedid);
        if( fedData.size()==0 ) continue;
        //LogDebug("CSCTFUnpacker|produce");
        //if( monitor ) monitor->process((unsigned short*)fedData.data());
        unsigned int unpacking_status = tfEvent.unpack((unsigned short*)fedData.data(),fedData.size()/2);
        if( unpacking_status==0 ){
            // There may be several SPs in event
            std::vector<const CSCSPEvent*> SPs = tfEvent.SPs_fast();
            // Cycle over all of them
            for(std::vector<const CSCSPEvent *>::const_iterator spItr=SPs.begin(); spItr!=SPs.end(); spItr++){
                const CSCSPEvent *sp = *spItr;

                L1CSCSPStatusDigi status; 
                status.sp_slot    = sp->header().slot();
                status.l1a_bxn    = sp->header().BXN();
                status.fmm_status = sp->header().status();
                status.track_cnt  = sp->counters().track_counter();
                status.orbit_cnt  = sp->counters().orbit_counter();

                // Finds central LCT BX
                // assumes window is odd number of bins
                int central_lct_bx = (m_maxBX + m_minBX)/2;

                // Find central SP BX
                // assumes window is odd number of bins
                int central_sp_bx = int(sp->header().nTBINs()/2);

                for(unsigned int tbin=0; tbin<sp->header().nTBINs(); tbin++){

                    status.se |= sp->record(tbin).SEs();
                    status.sm |= sp->record(tbin).SMs();
                    status.bx |= sp->record(tbin).BXs();
                    status.af |= sp->record(tbin).AFs();
                    status.vp |= sp->record(tbin).VPs();

                    for(unsigned int FPGA=0; FPGA<5; FPGA++)
                        for(unsigned int MPClink=0; MPClink<3; ++MPClink){
                            std::vector<CSCSP_MEblock> lct = sp->record(tbin).LCT(FPGA,MPClink);
                            if( lct.empty() ) continue;

                            status.link_status[lct[0].spInput()] |=
                                (1<<lct[0].receiver_status_frame1())|
                                (1<<lct[0].receiver_status_frame2())|
                                ((lct[0].aligment_fifo()?1:0)<<4);
                            status.mpc_link_id |= (lct[0].link()<<2)|lct[0].mpc();

                            int station = ( FPGA ? FPGA : 1 );
                            int endcap=0, sector=0;
                            if( slot2sector[sp->header().slot()] ){
                                endcap = slot2sector[sp->header().slot()]/7 + 1;
                                sector = slot2sector[sp->header().slot()];
                                if( sector>6 ) sector -= 6;
                            } else {
                                endcap = (sp->header().endcap()?1:2);
                                sector =  sp->header().sector();
                            }
                            int subsector = ( FPGA>1 ? 0 : FPGA+1 );
                            int cscid   = lct[0].csc() ;

                            try{
                                CSCDetId id = mapping->detId(endcap,station,sector,subsector,cscid,0);
                                // corrlcts now have no layer associated with them
                                LCTProduct->insertDigi(id,
                                    CSCCorrelatedLCTDigi(
                                        0,lct[0].vp(),lct[0].quality(),lct[0].wireGroup(),
                                        (swapME1strips && cscid<=3 && station==1 && endcap==2 && lct[0].strip()<65 ? 65 - lct[0].strip() : lct[0].strip() ),
                                        lct[0].pattern(),lct[0].l_r(),
                                        (lct[0].tbin()+(central_lct_bx-central_sp_bx)),
                                        lct[0].link(), lct[0].BXN(), 0, cscid )
                                    );
                            } catch(cms::Exception &e) {
                                edm::LogInfo("CSCTFUnpacker|produce") << e.what() << "Not adding digi to collection in event "
                                      <<sp->header().L1A()<<" (endcap="<<endcap<<",station="<<station<<",sector="<<sector<<",subsector="<<subsector<<",cscid="<<cscid<<",spSlot="<<sp->header().slot()<<")";
                            }

                        }

                    std::vector<CSCSP_MBblock> mbStubs = sp->record(tbin).mbStubs();
                    for(std::vector<CSCSP_MBblock>::const_iterator iter=mbStubs.begin(); iter!=mbStubs.end(); iter++){
                        int endcap, sector;
                        if( slot2sector[sp->header().slot()] ){
                            endcap = slot2sector[sp->header().slot()]/7 + 1;
                            sector = slot2sector[sp->header().slot()];
                            if( sector>6 ) sector -= 6;
                        } else {
                            endcap = (sp->header().endcap()?1:2);
                            sector =  sp->header().sector();
                        }
                        const unsigned int csc2dt[6][2] = {{2,3},{4,5},{6,7},{8,9},{10,11},{12,1}};
                        DTChamberId id((endcap==1?2:-2),1, csc2dt[sector-1][iter->id()-1]);
                        CSCCorrelatedLCTDigi base(0,iter->vq(),iter->quality(),iter->cal(),iter->flag(),iter->bc0(),iter->phi_bend(),tbin+(central_lct_bx-central_sp_bx),iter->id(),iter->bxn(),iter->timingError(),iter->BXN());
                        csctf::TrackStub dtStub(base,id,iter->phi(),0);
                        dtProduct->push_back(dtStub);
                    }

                    std::vector<CSCSP_SPblock> tracks = sp->record(tbin).tracks();
                    unsigned int trkNumber=0;
                    for(std::vector<CSCSP_SPblock>::const_iterator iter=tracks.begin(); iter!=tracks.end(); iter++,trkNumber++){
                        L1CSCTrack track;
                        if( slot2sector[sp->header().slot()] ){
                            track.first.m_endcap = slot2sector[sp->header().slot()]/7 + 1;
                            track.first.m_sector = slot2sector[sp->header().slot()];
                            if(  track.first.m_sector>6 ) track.first.m_sector -= 6;
                        } else {
                            track.first.m_endcap = (sp->header().endcap()?1:2);
                            track.first.m_sector =  sp->header().sector();
                        }

                        track.first.m_lphi      = iter->phi();
                        track.first.m_ptAddress = iter->ptLUTaddress();
                        track.first.m_fr        = iter->f_r();
                        track.first.m_ptAddress|=(iter->f_r() << 21);

                        track.first.setStationIds(iter->ME1_id(),iter->ME2_id(),iter->ME3_id(),iter->ME4_id(),iter->MB_id());
                        track.first.setTbins(iter->ME1_tbin(), iter->ME2_tbin(), iter->ME3_tbin(), iter->ME4_tbin(), iter->MB_tbin() );
                        track.first.setBx(iter->tbin()-central_sp_bx);
                        track.first.setBits(iter->syncErr(), iter->bx0(), iter->bc0());

                        track.first.setLocalPhi(iter->phi());
                        track.first.setEtaPacked(iter->eta());
                        track.first.setChargePacked(iter->charge());

                        track.first.m_output_link = iter->id();
                        if( track.first.m_output_link ){
                            track.first.m_rank = (iter->f_r()?sp->record(tbin).ptSpy()&0x7F:(sp->record(tbin).ptSpy()&0x7F00)>>8);
                            track.first.setChargeValidPacked((iter->f_r()?(sp->record(tbin).ptSpy()&0x80)>>8:(sp->record(tbin).ptSpy()&0x8000)>>15));
                        } else {
                            track.first.m_rank = 0;
                            track.first.setChargeValidPacked(0);
                        }
                        track.first.setFineHaloPacked(iter->halo());

                        track.first.m_winner = iter->MS_id()&(1<<trkNumber);

                        std::vector<CSCSP_MEblock> lcts = iter->LCTs();
                        for(std::vector<CSCSP_MEblock>::const_iterator lct=lcts.begin(); lct!=lcts.end(); lct++){
                            int station   = ( lct->spInput()>6 ? (lct->spInput()-1)/3 : 1 );
                            int subsector = ( lct->spInput()>6 ? 0 : (lct->spInput()-1)/3 + 1 );
                            try{
                                CSCDetId id = mapping->detId(track.first.m_endcap,station,track.first.m_sector,subsector,lct->csc(),0);
                                track.second.insertDigi(id,
                                    CSCCorrelatedLCTDigi(
                                        0,lct->vp(),lct->quality(),lct->wireGroup(),
                                        (swapME1strips && lct->csc()<=3 && station==1 && track.first.m_endcap==2 && lct[0].strip()<65 ? 65 - lct[0].strip() : lct[0].strip() ),
                                        lct->pattern(),lct->l_r(),
                                        (lct->tbin()+(central_lct_bx-central_sp_bx)),
                                        lct->link(), lct->BXN(), 0, lct->csc() )
                                    );
                            } catch(cms::Exception &e) {
                                edm::LogInfo("CSCTFUnpacker|produce") << e.what() << "Not adding track digi to collection in event"
                                      <<sp->header().L1A()<<" (endcap="<<track.first.m_endcap<<",station="<<station<<",sector="<<track.first.m_sector<<",subsector="<<subsector<<",cscid="<<lct->csc()<<",spSlot="<<sp->header().slot()<<")";
                            }
                        }

                        std::vector<CSCSP_MBblock> mbStubs = iter->dtStub();
                        for(std::vector<CSCSP_MBblock>::const_iterator iter=mbStubs.begin(); iter!=mbStubs.end(); iter++){
                            CSCDetId id = mapping->detId(track.first.m_endcap,1,track.first.m_sector,iter->id(),1,0);
                            track.second.insertDigi(id,
                                CSCCorrelatedLCTDigi(iter->phi(),iter->vq(),iter->quality()+100,iter->cal(),iter->flag(),iter->bc0(),iter->phi_bend(),tbin+(central_lct_bx-central_sp_bx),iter->id(),iter->bxn(),iter->timingError(),iter->BXN())
                            );
                        }

                        trackProduct->push_back( track );
                    }
                }
                statusProduct->second.push_back( status );
            }
        } else {
            edm::LogError("CSCTFUnpacker|produce")<<" problem of unpacking TF event: 0x"<<std::hex<<unpacking_status<<std::dec<<" code";
        }

        statusProduct->first  = unpacking_status;

    } //end of fed cycle
    e.put(std::move(dtProduct),"DT");
    e.put(std::move(LCTProduct)); // put processed lcts into the event.
    e.put(std::move(trackProduct));
    e.put(std::move(statusProduct));
}