ClustersFromRawProducer.cc

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/*
 */
#include "RecoLocalTracker/SiStripClusterizer/interface/StripClusterizerAlgorithmFactory.h"
#include "RecoLocalTracker/SiStripZeroSuppression/interface/SiStripRawProcessingFactory.h"

#include "RecoLocalTracker/SiStripClusterizer/interface/StripClusterizerAlgorithm.h"
#include "RecoLocalTracker/SiStripZeroSuppression/interface/SiStripRawProcessingAlgorithms.h"


#include "DataFormats/SiStripCluster/interface/SiStripCluster.h"
#include "DataFormats/Common/interface/DetSetVectorNew.h"

#include "DataFormats/FEDRawData/interface/FEDRawDataCollection.h"
#include "EventFilter/SiStripRawToDigi/interface/SiStripFEDBuffer.h"
#include "DataFormats/SiStripCommon/interface/SiStripConstants.h"

#include "CalibFormats/SiStripObjects/interface/SiStripDetCabling.h"


#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"


#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <sstream>
#include <memory>

#include "FWCore/Utilities/interface/GCC11Compatibility.h"


// #define VIDEBUG
#ifdef VIDEBUG
#include<iostream>
#define COUT std::cout << "VI "
#else
#define COUT LogDebug("")
#endif


namespace {
  sistrip::FEDBuffer*fillBuffer(int fedId, const FEDRawDataCollection& rawColl) {
    sistrip::FEDBuffer* buffer=nullptr;
    
    // Retrieve FED raw data for given FED
    const FEDRawData& rawData = rawColl.FEDData(fedId);
    
    // Check on FEDRawData pointer
    if unlikely( !rawData.data() ) {
    if (edm::isDebugEnabled()) {
      edm::LogWarning(sistrip::mlRawToCluster_)
        << "[ClustersFromRawProducer::" 
        << __func__ 
        << "]"
        << " NULL pointer to FEDRawData for FED id " 
        << fedId;
    }
    return buffer;
      } 
    
    // Check on FEDRawData size
    if unlikely( !rawData.size() ) {
    if (edm::isDebugEnabled()) {
      edm::LogWarning(sistrip::mlRawToCluster_)
        << "[ClustersFromRawProducer::" 
        << __func__ << "]"
        << " FEDRawData has zero size for FED id " 
        << fedId;
    }
    return buffer;
      }
    
    // construct FEDBuffer
    try {
      buffer = new sistrip::FEDBuffer(rawData.data(),rawData.size());
      if unlikely(!buffer->doChecks(false)) throw cms::Exception("FEDBuffer") << "FED Buffer check fails for FED ID" << fedId << ".";
    }
    catch (const cms::Exception& e) { 
      if (edm::isDebugEnabled()) {
    edm::LogWarning(sistrip::mlRawToCluster_) 
      << "Exception caught when creating FEDBuffer object for FED " << fedId << ": " << e.what();
      }
      delete buffer; buffer=nullptr;
    }
    
    /*
    // dump of FEDRawData to stdout
    if ( dump_ ) {
    std::stringstream ss;
    RawToDigiUnpacker::dumpRawData( fedId, rawData, ss );
    LogTrace(mlRawToDigi_) 
    << ss.str();
    }
    */
    
    return buffer;
    
  }
  
  
  class ClusterFiller final : public StripClusterizerAlgorithm::output_t::Getter {
  public:
    ClusterFiller(const FEDRawDataCollection& irawColl,
          StripClusterizerAlgorithm & iclusterizer,
          SiStripRawProcessingAlgorithms & irawAlgos,
          bool idoAPVEmulatorCheck):
      rawColl(irawColl),
      clusterizer(iclusterizer),
      rawAlgos(irawAlgos),
      doAPVEmulatorCheck(idoAPVEmulatorCheck){
    incTot(clusterizer.allDetIds().size());
      }
    
    
    ~ClusterFiller() { printStat();}
    
    void fill(StripClusterizerAlgorithm::output_t::FastFiller & record) override;
    
  private:
    
    
    std::unique_ptr<sistrip::FEDBuffer> buffers[1024];
    bool done[1024] = {};  // false is default
    
    
    const FEDRawDataCollection& rawColl;
    
    StripClusterizerAlgorithm & clusterizer;
    SiStripRawProcessingAlgorithms & rawAlgos;
    
    
    // March 2012: add flag for disabling APVe check in configuration
    bool doAPVEmulatorCheck; 
    
    
#ifdef VIDEBUG
    struct Stat {
      int totDet=0; // all dets
      int detReady=0; // dets "updated"
      int detSet=0;  // det actually set not empty
      int detAct=0;  // det actually set with content
      int detNoZ=0;  // det actually set with content
    };
    
    mutable Stat stat;
    void zeroStat() const { stat = Stat(); }
    void incTot(int n) const { stat.totDet=n;}
    void incReady() const { stat.detReady++;}
    void incSet() const { stat.detSet++;}
    void incAct() const { stat.detAct++;}
    void incNoZ() const { stat.detNoZ++;}
    void printStat() const {
      COUT << "VI clusters " << stat.totDet <<','<< stat.detReady <<','<< stat.detSet <<','<< stat.detAct<<','<< stat.detNoZ  << std::endl;
    }
    
#else
    static void zeroStat(){}
    static void incTot(int){}
    static void incReady() {}
    static void incSet() {}
    static void incAct() {}
    static void incNoZ() {}
    static void printStat(){}
#endif
    
  };
  
  
} // namespace



class SiStripClusterizerFromRaw final : public edm::stream::EDProducer<>  {
  
 public:
  
  explicit SiStripClusterizerFromRaw(const edm::ParameterSet& conf) :
    onDemand(conf.getParameter<bool>("onDemand")),
    cabling_(nullptr),
    clusterizer_(StripClusterizerAlgorithmFactory::create(conf.getParameter<edm::ParameterSet>("Clusterizer"))),
    rawAlgos_(SiStripRawProcessingFactory::create(conf.getParameter<edm::ParameterSet>("Algorithms"))),
    doAPVEmulatorCheck_(conf.existsAs<bool>("DoAPVEmulatorCheck") ? conf.getParameter<bool>("DoAPVEmulatorCheck") : true)
      {
    productToken_ = consumes<FEDRawDataCollection>(conf.getParameter<edm::InputTag>("ProductLabel"));
    produces< edmNew::DetSetVector<SiStripCluster> > ();
    assert(clusterizer_.get());
    assert(rawAlgos_.get());
      }
  

  void beginRun( const edm::Run&, const edm::EventSetup& es) {
    initialize(es);
  }
  
  
  void produce(edm::Event& ev, const edm::EventSetup& es) {
    
    initialize(es);
    
    // get raw data
    edm::Handle<FEDRawDataCollection> rawData;
    ev.getByToken( productToken_, rawData); 
    
    
    std::auto_ptr< edmNew::DetSetVector<SiStripCluster> > 
      output( onDemand ?
          new edmNew::DetSetVector<SiStripCluster>(std::shared_ptr<edmNew::DetSetVector<SiStripCluster>::Getter>(std::make_shared<ClusterFiller>(*rawData, *clusterizer_, 
                                                                     *rawAlgos_, doAPVEmulatorCheck_)
                                                               ), 
                               clusterizer_->allDetIds())
          : new edmNew::DetSetVector<SiStripCluster>());
    
    if(onDemand) assert(output->onDemand());

    output->reserve(15000,6*10000);



    if (!onDemand) {
      run(*rawData, *output);
      output->shrink_to_fit();   
      COUT << output->dataSize() << " clusters from " 
       << output->size()     << " modules" 
       << std::endl;
    }
   
    ev.put(output);

  }

private:

  void initialize(const edm::EventSetup& es);

  void run(const FEDRawDataCollection& rawColl, edmNew::DetSetVector<SiStripCluster> & output);


 private:

  bool  onDemand;

  edm::EDGetTokenT<FEDRawDataCollection> productToken_;  
  
  SiStripDetCabling const * cabling_;
  
  std::auto_ptr<StripClusterizerAlgorithm> clusterizer_;
  std::auto_ptr<SiStripRawProcessingAlgorithms> rawAlgos_;
  
  
  // March 2012: add flag for disabling APVe check in configuration
  bool doAPVEmulatorCheck_; 

};

#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_FWK_MODULE(SiStripClusterizerFromRaw);




void SiStripClusterizerFromRaw::initialize(const edm::EventSetup& es) {

  (*clusterizer_).initialize(es);
  cabling_ = (*clusterizer_).cabling();
  (*rawAlgos_).initialize(es);

}

void SiStripClusterizerFromRaw::run(const FEDRawDataCollection& rawColl,
                     edmNew::DetSetVector<SiStripCluster> & output) {
  
  ClusterFiller filler(rawColl, *clusterizer_, *rawAlgos_, doAPVEmulatorCheck_);
  
  // loop over good det in cabling
  for ( auto idet : clusterizer_->allDetIds()) {

    StripClusterizerAlgorithm::output_t::FastFiller record(output, idet);   
    
    filler.fill(record);
    
    if(record.empty()) record.abort();

  } // end loop over dets
}

void ClusterFiller::fill(StripClusterizerAlgorithm::output_t::FastFiller & record) {

  incReady();

  auto idet= record.id();

  // COUT << "filling " << idet << std::endl;

  if (!clusterizer.stripByStripBegin(idet)) { return; }
 
  incSet();

  // Loop over apv-pairs of det
  for (auto const conn : clusterizer.currentConnection()) {
    if unlikely(!conn) continue;
    
    const uint16_t fedId = conn->fedId();
    
    // If fed id is null or connection is invalid continue
    if unlikely( !fedId || !conn->isConnected() ) { continue; }    
    

    // If Fed hasnt already been initialised, extract data and initialise
    if (!done[fedId]) { buffers[fedId].reset(fillBuffer(fedId, rawColl)); done[fedId]=true;}
    auto buffer = buffers[fedId].get();
    if unlikely(!buffer) continue;
    
    // check channel
    const uint8_t fedCh = conn->fedCh();
    
    if unlikely(!buffer->channelGood(fedCh,doAPVEmulatorCheck)) {
    if (edm::isDebugEnabled()) {
      std::ostringstream ss;
      ss << "Problem unpacking channel " << fedCh << " on FED " << fedId;
      edm::LogWarning(sistrip::mlRawToCluster_) << ss.str();
    }
    continue;
      }
    
    // Determine APV std::pair number
    uint16_t ipair = conn->apvPairNumber();
    
    
    const sistrip::FEDReadoutMode mode = buffer->readoutMode();
    
    
    if likely(mode == sistrip::READOUT_MODE_ZERO_SUPPRESSED_LITE ) { 
    
    try {
      // create unpacker
      sistrip::FEDZSChannelUnpacker unpacker = sistrip::FEDZSChannelUnpacker::zeroSuppressedLiteModeUnpacker(buffer->channel(fedCh));
      
      // unpack
      clusterizer.addFed(unpacker,ipair,record);
      /*
            while (unpacker.hasData()) {
        clusterizer.stripByStripAdd(unpacker.sampleNumber()+ipair*256,unpacker.adc(),record);
        unpacker++;
            }
      */
    } catch (const cms::Exception& e) {
      if (edm::isDebugEnabled()) {
        std::ostringstream ss;
        ss << "Unordered clusters for channel " << fedCh << " on FED " << fedId << ": " << e.what();
        edm::LogWarning(sistrip::mlRawToCluster_) << ss.str();
      }                                               
      continue;
    }
      } else {
      
      if (mode == sistrip::READOUT_MODE_ZERO_SUPPRESSED ) { 
    try {
      // create unpacker
      sistrip::FEDZSChannelUnpacker unpacker = sistrip::FEDZSChannelUnpacker::zeroSuppressedModeUnpacker(buffer->channel(fedCh));
      
      // unpack
      clusterizer.addFed(unpacker,ipair,record);
      /*
        while (unpacker.hasData()) {
        clusterizer.stripByStripAdd(unpacker.sampleNumber()+ipair*256,unpacker.adc(),record);
        unpacker++;
        }
      */
    } catch (const cms::Exception& e) {
      if (edm::isDebugEnabled()) {
        std::ostringstream ss;
        ss << "Unordered clusters for channel " << fedCh << " on FED " << fedId << ": " << e.what();
        edm::LogWarning(sistrip::mlRawToCluster_) << ss.str();
      }
      continue;
    }
      } else if (mode == sistrip::READOUT_MODE_VIRGIN_RAW ) {
    
    // create unpacker
    sistrip::FEDRawChannelUnpacker unpacker = sistrip::FEDRawChannelUnpacker::virginRawModeUnpacker(buffer->channel(fedCh));
    
    // unpack
    std::vector<int16_t> digis;
    while (unpacker.hasData()) {
      digis.push_back(unpacker.adc());
      unpacker++;
    }
    
    //process raw
    uint32_t id = conn->detId();
    edm::DetSet<SiStripDigi> zsdigis(id);
    //rawAlgos_->subtractorPed->subtract( id, ipair*256, digis);
    //rawAlgos_->subtractorCMN->subtract( id, digis);
    //rawAlgos_->suppressor->suppress( digis, zsdigis);
    uint16_t firstAPV = ipair*2;
    rawAlgos.SuppressVirginRawData(id, firstAPV,digis, zsdigis);  
    for( edm::DetSet<SiStripDigi>::const_iterator it = zsdigis.begin(); it!=zsdigis.end(); it++) {
      clusterizer.stripByStripAdd( it->strip(), it->adc(), record);
    }
      }
      
      else if (mode == sistrip::READOUT_MODE_PROC_RAW ) {
    
    // create unpacker
    sistrip::FEDRawChannelUnpacker unpacker = sistrip::FEDRawChannelUnpacker::procRawModeUnpacker(buffer->channel(fedCh));
    
    // unpack
    std::vector<int16_t> digis;
    while (unpacker.hasData()) {
      digis.push_back(unpacker.adc());
      unpacker++;
    }
    
    //process raw
    uint32_t id = conn->detId();
    edm::DetSet<SiStripDigi> zsdigis(id);
    //rawAlgos_->subtractorCMN->subtract( id, digis);
    //rawAlgos_->suppressor->suppress( digis, zsdigis);
    uint16_t firstAPV = ipair*2;
    rawAlgos.SuppressProcessedRawData(id, firstAPV,digis, zsdigis); 
    for( edm::DetSet<SiStripDigi>::const_iterator it = zsdigis.begin(); it!=zsdigis.end(); it++) {
      clusterizer.stripByStripAdd( it->strip(), it->adc(), record);
    }
      } else {
    edm::LogWarning(sistrip::mlRawToCluster_)
      << "[ClustersFromRawProducer::" 
      << __func__ << "]"
      << " FEDRawData readout mode "
      << mode
      << " from FED id "
      << fedId 
      << " not supported."; 
    continue;
      }
    }
    
  } // end loop over conn
  
  clusterizer.stripByStripEnd(record);
  incAct();
  if(!record.empty()) incNoZ();

  // COUT << "filled " << record.size() << std::endl;
  

}