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0001 // -*- C++ -*-
0002 //
0003 // Package:    HLTHcalNZSFilter
0004 // Class:      HLTHcalNZSFilter
0005 //
0006 /**\class HLTHcalNZSFilter HLTHcalNZSFilter.cc filter/HLTHcalNZSFilter/src/HLTHcalNZSFilter.cc
0007 
0008 Description: Filter to select HCAL abort gap events
0009 
0010 Implementation:
0011 <Notes on implementation>
0012 */
0013 //
0014 // Original Author:  Bryan DAHMES
0015 //         Created:  Tue Jan 22 13:55:00 CET 2008
0016 //
0017 //
0018 
0019 // system include files
0020 #include <string>
0021 #include <iostream>
0022 #include <memory>
0023 
0024 // user include files
0025 #include "FWCore/Framework/interface/Frameworkfwd.h"
0026 
0027 #include "HLTrigger/HLTcore/interface/HLTFilter.h"
0028 #include "FWCore/Framework/interface/Event.h"
0029 #include "FWCore/Framework/interface/MakerMacros.h"
0030 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0031 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0032 
0033 #include "DataFormats/FEDRawData/interface/FEDNumbering.h"
0034 #include "DataFormats/HcalDigi/interface/HcalCalibrationEventTypes.h"
0035 #include "EventFilter/HcalRawToDigi/interface/HcalDCCHeader.h"
0036 #include "EventFilter/HcalRawToDigi/interface/HcalHTRData.h"
0037 
0038 #include "HLTHcalNZSFilter.h"
0039 
0040 //
0041 // constructors and destructor
0042 //
0043 HLTHcalNZSFilter::HLTHcalNZSFilter(const edm::ParameterSet& iConfig) : HLTFilter(iConfig) {
0044   //now do what ever initialization is needed
0045 
0046   dataInputTag_ = iConfig.getParameter<edm::InputTag>("InputTag");
0047   dataInputToken_ = consumes<FEDRawDataCollection>(dataInputTag_);
0048 }
0049 
0050 HLTHcalNZSFilter::~HLTHcalNZSFilter() {
0051   // do anything here that needs to be done at desctruction time
0052   // (e.g. close files, deallocate resources etc.)
0053 }
0054 
0055 void HLTHcalNZSFilter::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0056   edm::ParameterSetDescription desc;
0057   makeHLTFilterDescription(desc);
0058   desc.add<edm::InputTag>("InputTag", edm::InputTag("source"));
0059   descriptions.add("hltHcalNZSFilter", desc);
0060 }
0061 
0062 //
0063 // member functions
0064 //
0065 
0066 // ------------ method called on each new Event  ------------
0067 bool HLTHcalNZSFilter::hltFilter(edm::Event& iEvent,
0068                                  const edm::EventSetup& iSetup,
0069                                  trigger::TriggerFilterObjectWithRefs& filterproduct) const {
0070   using namespace edm;
0071 
0072   // MC treatment for this filter(NZS not fully emulated in HTR for MC)
0073   if (!iEvent.isRealData())
0074     return false;
0075 
0076   edm::Handle<FEDRawDataCollection> rawdata;
0077   iEvent.getByToken(dataInputToken_, rawdata);
0078 
0079   int nFEDs = 0;
0080   int nNZSfed = 0;
0081   int nZSfed = 0;
0082   for (int i = FEDNumbering::MINHCALFEDID; i <= FEDNumbering::MAXHCALFEDID; i++) {
0083     const FEDRawData& fedData = rawdata->FEDData(i);
0084     if (fedData.size() < 24)
0085       continue;
0086     nFEDs++;
0087 
0088     // Check for Zero-suppression
0089     HcalHTRData htr;
0090     const HcalDCCHeader* dccHeader = (const HcalDCCHeader*)(fedData.data());
0091     int nZS = 0;
0092     int nUS = 0;
0093     int nSpigot = 0;
0094     for (int spigot = 0; spigot < HcalDCCHeader::SPIGOT_COUNT; spigot++) {
0095       if (!dccHeader->getSpigotPresent(spigot))
0096         continue;
0097 
0098       // Load the given decoder with the pointer and length from this spigot.
0099       dccHeader->getSpigotData(spigot, htr, fedData.size());
0100       if ((htr.getFirmwareFlavor() & 0xE0) == 0x80)
0101         continue;  // This is TTP data
0102 
0103       nSpigot++;
0104       // check min length, correct wordcount, empty event, or total length if histo event.
0105       if (htr.isUnsuppressed())
0106         nUS++;
0107       else
0108         nZS++;
0109     }
0110 
0111     if (nUS == nSpigot)
0112       nNZSfed++;
0113     else {
0114       nZSfed++;
0115       if (nUS > 0)
0116         LogWarning("HLTHcalNZSFilter") << "Mixture of ZS(" << nZS << ") and NZS(" << nUS << ") spigots in FED " << i;
0117     }
0118   }
0119 
0120   if ((nNZSfed == nFEDs) && (nFEDs > 0)) {
0121     return true;
0122   } else {
0123     if (nNZSfed > 0)
0124       LogWarning("HLTHcalNZSFilter") << "Mixture of ZS(" << nZSfed << ") and NZS(" << nNZSfed << ") FEDs in this event";
0125     return false;
0126   }
0127 }
0128 
0129 // declare this class as a framework plugin
0130 #include "FWCore/Framework/interface/MakerMacros.h"
0131 DEFINE_FWK_MODULE(HLTHcalNZSFilter);