special/plugins/HLTDTROMonitorFilter.cc

0001 /*
0002  *  See header file for a description of this class.
0003  *
0004  *  \author G. Cerminara - INFN Torino
0005  */
0006
0007 #include "FWCore/Framework/interface/Event.h"
0008 #include "FWCore/Framework/interface/ESHandle.h"
0009 #include "FWCore/Framework/interface/EventSetup.h"
0010 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0011 #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
0012 #include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
0013 #include "DataFormats/Common/interface/Handle.h"
0014 #include "DataFormats/DTDigi/interface/DTDDUWords.h"
0015 #include "HLTDTROMonitorFilter.h"
0016
0017 using namespace edm;
0018
0019 HLTDTROMonitorFilter::HLTDTROMonitorFilter(const edm::ParameterSet& pset) {
0020   auto inputLabel = pset.getParameter<InputTag>("inputLabel");
0021   inputToken = consumes<FEDRawDataCollection>(inputLabel);
0022 }
0023
0024 HLTDTROMonitorFilter::~HLTDTROMonitorFilter() = default;
0025
0026 void HLTDTROMonitorFilter::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0027   edm::ParameterSetDescription desc;
0028   desc.add<edm::InputTag>("inputLabel", edm::InputTag("source"));
0029   descriptions.add("hltDTROMonitorFilter", desc);
0030 }
0031
0032 bool HLTDTROMonitorFilter::filter(edm::StreamID, edm::Event& event, const edm::EventSetup& setup) const {
0033   // get the raw data
0034   edm::Handle<FEDRawDataCollection> rawdata;
0035   event.getByToken(inputToken, rawdata);
0036
0037   // Loop over the DT FEDs
0038   int FEDIDmin = FEDNumbering::MINDTFEDID;
0039   int FEDIDMax = FEDNumbering::MAXDTFEDID;
0040
0041   // Definitions
0042   const int wordSize_32 = 4;
0043   const int wordSize_64 = 8;
0044
0045   for (int dduID = FEDIDmin; dduID <= FEDIDMax; ++dduID) {  // loop over all feds
0046     const FEDRawData& feddata = rawdata->FEDData(dduID);
0047     const int datasize = feddata.size();
0048     if (datasize) {  // check the FED payload
0049       const unsigned int* index32 = reinterpret_cast<const unsigned int*>(feddata.data());
0050       const int numberOf32Words = datasize / wordSize_32;
0051
0052       const unsigned char* index8 = reinterpret_cast<const unsigned char*>(index32);
0053
0054       // Check Status Words (1 x ROS)
0055       for (int rosId = 0; rosId < 12; rosId++) {
0056         int wordIndex8 = numberOf32Words * wordSize_32 - 3 * wordSize_64 + rosId;
0057         DTDDUFirstStatusWord statusWord(index8[wordIndex8]);
0058         // check the error bit
0059         if (statusWord.errorFromROS() != 0 || statusWord.eventTrailerLost() != 0)
0060           return true;
0061       }
0062     }
0063   }
0064
0065   // check the event error flag
0066   return false;
0067 }
0068
0069 // declare this class as a framework plugin
0070 #include "FWCore/Framework/interface/MakerMacros.h"
0071 DEFINE_FWK_MODULE(HLTDTROMonitorFilter);