RPCPackingModule.cc

Go to the documentation of this file.

#include "EventFilter/RPCRawToDigi/interface/RPCPackingModule.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"

#include "DataFormats/FEDRawData/interface/FEDRawDataCollection.h"
#include "DataFormats/FEDRawData/interface/FEDHeader.h"
#include "DataFormats/FEDRawData/interface/FEDTrailer.h"

#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/Framework/interface/ESHandle.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "CondFormats/RPCObjects/interface/RPCReadOutMapping.h"

#include "EventFilter/RPCRawToDigi/interface/RPCRecordFormatter.h"
#include "EventFilter/RPCRawToDigi/interface/DebugDigisPrintout.h"
#include "DataFormats/RPCDigi/interface/EmptyWord.h"

#include <string>
#include <sstream>

using namespace std;
using namespace edm;
using namespace rpcrawtodigi;

typedef uint64_t Word64;

RPCPackingModule::RPCPackingModule(const ParameterSet& pset) {
  dataLabel_ = consumes<RPCDigiCollection>(pset.getParameter<edm::InputTag>("InputLabel"));
  readoutMappingToken_ = esConsumes<RPCEMap, RPCEMapRcd>();
  theCabling = new RPCReadOutMapping("");
  produces<FEDRawDataCollection>();
}

RPCPackingModule::~RPCPackingModule() { delete theCabling; }

void RPCPackingModule::produce(edm::Event& ev, const edm::EventSetup& es) {
  Handle<RPCDigiCollection> digiCollection;
  ev.getByToken(dataLabel_, digiCollection);
  LogDebug("") << DebugDigisPrintout()(digiCollection.product());

  if (recordWatcher_.check(es)) {
    delete theCabling;
    LogTrace("") << "record has CHANGED!!, initialise readout map!";
    ESHandle<RPCEMap> readoutMapping = es.getHandle(readoutMappingToken_);
    theCabling = readoutMapping->convert();
    LogTrace("") << " READOUT MAP VERSION: " << theCabling->version() << endl;
  }

  auto buffers = std::make_unique<FEDRawDataCollection>();

  //  pair<int,int> rpcFEDS=FEDNumbering::getRPCFEDIds();
  pair<int, int> rpcFEDS(790, 792);
  for (int id = rpcFEDS.first; id <= rpcFEDS.second; ++id) {
    RPCRecordFormatter formatter(id, theCabling);
    unsigned int lvl1_ID = ev.id().event();
    FEDRawData* rawData = RPCPackingModule::rawData(id, lvl1_ID, digiCollection.product(), formatter);
    FEDRawData& fedRawData = buffers->FEDData(id);

    fedRawData = *rawData;
    delete rawData;
  }
  ev.put(std::move(buffers));
}

FEDRawData* RPCPackingModule::rawData(int fedId,
                                      unsigned int lvl1_ID,
                                      const RPCDigiCollection* digis,
                                      const RPCRecordFormatter& formatter) const {
  //
  // get merged records
  //
  int trigger_BX = 200;  // FIXME - set event by event but correct bx assigment in digi
  vector<EventRecords> merged = RPCPackingModule::eventRecords(fedId, trigger_BX, digis, formatter);

  //
  // create data words
  //
  vector<Word64> dataWords;
  EmptyWord empty;
  typedef vector<EventRecords>::const_iterator IR;
  for (IR ir = merged.begin(), irEnd = merged.end(); ir != irEnd; ++ir) {
    Word64 w = (((Word64(ir->recordBX().data()) << 16) | ir->recordSLD().data()) << 16 | ir->recordCD().data()) << 16 |
               empty.data();
    dataWords.push_back(w);
  }

  //
  // create raw data
  //
  int nHeaders = 1;
  int nTrailers = 1;
  int dataSize = (nHeaders + nTrailers + dataWords.size()) * sizeof(Word64);
  FEDRawData* raw = new FEDRawData(dataSize);

  //
  // add header
  //
  unsigned char* pHeader = raw->data();
  int evt_ty = 3;
  int source_ID = fedId;
  FEDHeader::set(pHeader, evt_ty, lvl1_ID, trigger_BX, source_ID);

  //
  // add datawords
  //
  for (unsigned int idata = 0; idata < dataWords.size(); idata++) {
    Word64* word = reinterpret_cast<Word64*>(pHeader + (idata + 1) * sizeof(Word64));
    *word = dataWords[idata];
  }

  //
  // add trailer
  //
  unsigned char* pTrailer = pHeader + raw->size() - sizeof(Word64);
  int crc = 0;
  int evt_stat = 15;
  int tts = 0;
  int datasize = raw->size() / sizeof(Word64);
  FEDTrailer::set(pTrailer, datasize, crc, evt_stat, tts);

  return raw;
}

vector<EventRecords> RPCPackingModule::eventRecords(int fedId,
                                                    int trigger_BX,
                                                    const RPCDigiCollection* digis,
                                                    const RPCRecordFormatter& formatter) {
  typedef DigiContainerIterator<RPCDetId, RPCDigi> DigiRangeIterator;
  vector<EventRecords> dataRecords;

  LogDebug("RPCRawDataPacker") << "Packing Fed id=" << fedId;
  for (DigiRangeIterator it = digis->begin(); it != digis->end(); it++) {
    RPCDetId rpcDetId = (*it).first;
    uint32_t rawDetId = rpcDetId.rawId();
    RPCDigiCollection::Range range = digis->get(rpcDetId);
    for (vector<RPCDigi>::const_iterator id = range.first; id != range.second; id++) {
      const RPCDigi& digi = (*id);
      vector<EventRecords> rawFromDigi = formatter.recordPack(rawDetId, digi, trigger_BX);
      dataRecords.insert(dataRecords.end(), rawFromDigi.begin(), rawFromDigi.end());
    }
  }

  //
  // merge data words
  //
  LogTrace("RPCRawDataPacker") << " size of   data: " << dataRecords.size();
  vector<EventRecords> merged = EventRecords::mergeRecords(dataRecords);
  LogTrace("") << " size of megred: " << merged.size();

  return merged;
}