/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/DQM/HLTEvF/plugins/HLTMonBitSummary.cc

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//HLTMonBitSummary.cc
//combination of HLTMon.cc and UserCode/AEverett/BitPlotting

// user include files
#include "DQM/HLTEvF/interface/HLTMonBitSummary.h"

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/ESHandle.h"

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

#include "FWCore/Common/interface/TriggerNames.h"
#include "DataFormats/Common/interface/TriggerResults.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Framework/interface/Run.h"

//#include "DQM/HLTEvF/interface/HLTriggerSelector.h"

#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h" 
#include "TH1F.h"
#include "TProfile.h"
#include "TH2F.h"

#include "TPRegexp.h" 
#include "TString.h"

#include "DQMServices/Core/interface/DQMStore.h"
#include "DQMServices/Core/interface/MonitorElement.h"

// needed for trigger bits from EventSetup as in ALCARECO paths
#include "CondFormats/HLTObjects/interface/AlCaRecoTriggerBits.h"
#include "CondFormats/DataRecord/interface/AlCaRecoTriggerBitsRcd.h"


HLTMonBitSummary::HLTMonBitSummary(const edm::ParameterSet& iConfig) :
  inputTag_ (iConfig.getParameter<edm::InputTag> ("TriggerResultsTag")),
  HLTPathNamesConfigPreVal_(iConfig.getParameter<std::vector<std::string > >("HLTPaths")),
  total_(0),
  nValidTriggers_(0),
  nValidConfigTriggers_(0),
  ndenomAccept_(0)
{
  denominatorWild_ = iConfig.getUntrackedParameter<std::string>("denominatorWild","");
  denominator_ = iConfig.getUntrackedParameter<std::string>("denominator");
  directory_ = iConfig.getUntrackedParameter<std::string>("directory","HLT/Generic/Summary");
  histLabel_ = iConfig.getUntrackedParameter<std::string>("histLabel","Generic");
  //  out_ = iConfig.getUntrackedParameter<std::string>("out","");
  dummyFilters_.clear();
  filterTypes_ = iConfig.getUntrackedParameter<std::vector<std::string > >("filterTypes",dummyFilters_);
  esPathsKey_ = iConfig.getUntrackedParameter<std::string>("eventSetupPathsKey","");

  configFlag_ = false;
  filterFlag_ = false;
  hltchange_ = false;

  dbe_ = NULL;
  dbe_ = edm::Service < DQMStore > ().operator->();
  dbe_->setVerbose(0);

}


HLTMonBitSummary::~HLTMonBitSummary(){}

//
// member functions
//

void HLTMonBitSummary::beginRun(const edm::Run  & r, const edm::EventSetup  &iSetup){

  //initialize the hlt configuration from the process name if not blank
  std::string processName = inputTag_.process();
  if (processName != ""){

    //Grab paths from EventSetup via AlCaRecoTriggerBitsRcd if configured - copied from HLTHighLevel
    if (esPathsKey_.size()) {
      // Get map of strings to concatenated list of names of HLT paths from EventSetup:
      edm::ESHandle<AlCaRecoTriggerBits> triggerBits;
      iSetup.get<AlCaRecoTriggerBitsRcd>().get(triggerBits);
      typedef std::map<std::string, std::string> TriggerMap;
      const TriggerMap &triggerMap = triggerBits->m_alcarecoToTrig;

      TriggerMap::const_iterator listIter = triggerMap.find(esPathsKey_);
    
      if (listIter == triggerMap.end()) {
        throw cms::Exception("Configuration")
          //<< " HLTHighLevel [instance: " << *moduleLabel() << " - path: " << *pathName()
          //<< "]: "
          <<" No triggerList with key " << esPathsKey_ << " in AlCaRecoTriggerBitsRcd";
      }
      
      // We must avoid a std::map<std::stringvector<std::string> > in DB for performance reason,
      // so the paths are mapped into one string that we have to decompose:
      HLTPathNamesKey_ = triggerBits->decompose(listIter->second);
    }
    
    bool initOK = false;
    initOK = hltConfig_.init(r, iSetup, processName, hltchange_);
    //Otherwise read paths from configuration
    HLTPathNamesConfig_.clear();
    if(HLTPathNamesConfigPreVal_.size()){
      //run trigger config selection
      if (initOK) {
        configSelector(HLTPathNamesConfigPreVal_, HLTPathNamesConfig_);
      }
      else{
        edm::LogError("HLTMonBitSummary") << "HLTConfigProvider initialization with process name " 
                                          << processName << " failed." << std::endl;
          }
    }
    
    //check if the two vectors have any common elements    
    std::vector<int> removePaths;
    for(size_t i=0; i<HLTPathNamesKey_.size(); ++i){
      for(size_t j=0; j<HLTPathNamesConfig_.size(); ++j){
        if(HLTPathNamesConfig_[j] == HLTPathNamesKey_[i]) removePaths.push_back(i); 
      }
    }
    reverse(removePaths.begin(),removePaths.end());    
    if(removePaths.size()){
      for(unsigned int k=0; k<removePaths.size(); ++k)
        HLTPathNamesKey_.erase(HLTPathNamesKey_.begin()+removePaths[k]);
    }


    //combine two vectors
    HLTPathsByName_.clear();
    HLTPathsByName_.reserve(HLTPathNamesConfig_.size() + HLTPathNamesKey_.size());
    HLTPathsByName_.insert(HLTPathsByName_.end(),HLTPathNamesConfig_.begin(),HLTPathNamesConfig_.end());
    HLTPathsByName_.insert(HLTPathsByName_.end(),HLTPathNamesKey_.begin(),HLTPathNamesKey_.end());

    count_.resize(HLTPathsByName_.size());
    HLTPathsByIndex_.resize(HLTPathsByName_.size());

    
    if( (nValidTriggers_ != HLTPathsByName_.size() || hltchange_) && total_!=0 ){
      edm::LogWarning("HLTMonBitSummary") << "A change in the HLT configuration has been found." 
                                          << std::endl
                                          << "BitSummary histograms do not support changing configurations."
                                          << std::endl
                                          << "Processing of events halted.";
      configFlag_ = true;
    }

    if(!configFlag_){

      nValidTriggers_ = HLTPathsByName_.size();
      nValidConfigTriggers_ = HLTPathNamesConfig_.size();

      //get all the filters -
      //only if filterTypes_ is nonempty and only on HLTPathNamesConfig_ paths
      if(initOK){ 
        if(!filterTypes_.empty()){
          triggerFilters_.clear();
          triggerFilterIndices_.clear();
          for( size_t i = 0; i < nValidConfigTriggers_; i++) {
            // create a row [triggername,filter1name, filter2name, etc.] 
            triggerFilters_.push_back(std::vector <std::string>());  
            // create a row [0, filter1index, filter2index, etc.]
            triggerFilterIndices_.push_back(std::vector <uint>()); 
      
            std::vector<std::string> moduleNames = hltConfig_.moduleLabels( HLTPathNamesConfig_[i] ); 
      
            triggerFilters_[i].push_back(HLTPathNamesConfig_[i]);//first entry is trigger name      
            triggerFilterIndices_[i].push_back(0);
      
            int numModule = 0, numFilters = 0;
            std::string moduleName, moduleType;
            unsigned int moduleIndex;
      
            //print module name
            std::vector<std::string>::const_iterator iDumpModName;
            for (iDumpModName = moduleNames.begin();iDumpModName != moduleNames.end();iDumpModName++) {
              moduleName = *iDumpModName;
              moduleType = hltConfig_.moduleType(moduleName);
              moduleIndex = hltConfig_.moduleIndex(HLTPathNamesConfig_[i], moduleName);
              LogDebug ("HLTMonBitSummary") << "Module"      << numModule
                                                 << " is called " << moduleName
                                                 << " , type = "  << moduleType
                                                 << " , index = " << moduleIndex
                                                 << std::endl;
              numModule++;
              for(size_t k = 0; k < filterTypes_.size(); k++) {
                if(moduleType == filterTypes_[k]) {
                  numFilters++;
                  triggerFilters_[i].push_back(moduleName);
                  triggerFilterIndices_[i].push_back(moduleIndex);
                }
              }
            }//end for modulesName
          }//end for nValidConfigTriggers_
        }
      }
      else{
        edm::LogError("HLTMonBitSummary") << "HLTConfigProvider initialization has failed."
                                          << " Could not get filter names." << std::endl;
        filterFlag_ = true;
      }

      //check denominator
      HLTPathDenomName_.clear();
      HLTPathDenomNamePreVal_.clear();
      if( denominatorWild_.size() != 0 ) HLTPathDenomNamePreVal_.push_back(denominatorWild_);
      if(initOK){
        configSelector(HLTPathDenomNamePreVal_, HLTPathDenomName_);
      }
      //HLTriggerSelector denomSelect(r, iSetup, inputTag_,HLTPathDenomName_);
      //HLTPathDenomName_.swap(denomSelect.theSelectTriggers);
      //for (unsigned int i = 0; i < HLTPathDenomName_.size(); i++)
      //  std::cout << "testing denom: " << HLTPathDenomName_[i] << std::endl;
      if(HLTPathDenomName_.size()==1) denominator_ = HLTPathDenomName_[0];
    }
  }//end if process

       
  if(dbe_ && !configFlag_){

    int nbin = nValidConfigTriggers_;
    
    dbe_->setCurrentFolder(directory_);

    //int nbin_sub = 5;
    int nbin_sub = 8;
    
    // Count histos for efficiency plots
    if(!filterTypes_.empty() && !filterFlag_){
      dbe_->setCurrentFolder(directory_ + "Trigger_Filters/");
      //hCountSummary = dbe_->book1D("hCountSummary", "Count Summary", nbin+1, -0.5, 0.5+(double)nbin);
    
      hSubFilterCount.clear();
      hSubFilterEff.clear();

      for( int trig = 0; trig < nbin; trig++ ) {
        // count plots for subfilter
        //hSubFilterCount[trig] = dbe_->book1D("Filters_" + triggerFilters_[trig][0], 
        hSubFilterCount.push_back(dbe_->book1D("Filters_" + triggerFilters_[trig][0], 
                                             "Filters_" + triggerFilters_[trig][0],
                                             nbin_sub+1, -0.5, 0.5+(double)nbin_sub));
      
        for(int filt = 0; filt < (int)triggerFilters_[trig].size()-1; filt++){
          hSubFilterCount[trig]->setBinLabel(filt+1, triggerFilters_[trig][filt+1]);
        }
      }

      dbe_->setCurrentFolder(directory_ + "Trigger_Efficiencies/");
      for( int trig = 0; trig < nbin; trig++ ) {
        //hSubFilterEff[trig] = dbe_->book1D("Efficiency_" + triggerFilters_[trig][0], 
        hSubFilterEff.push_back(dbe_->book1D("Efficiency_" + triggerFilters_[trig][0], 
                                           "Efficiency_" + triggerFilters_[trig][0],
                                           nbin_sub+1, -0.5, 0.5+(double)nbin_sub));
      
        for(int filt = 0; filt < (int)triggerFilters_[trig].size()-1; filt++){
          hSubFilterEff[trig]->setBinLabel(filt+1,triggerFilters_[trig][filt+1]);
        }
      }
    }
      
    //--------------B i t   P l o t t i n g   s e c t i o n ---------------//
    //---------------------------------------------------------------------//

    std::stringstream rNs;
    rNs<<r.run();
    std::string rN = rNs.str();
    LogDebug("HLTMonBitSummary")<<"this is the beginning of a NEW run: "<< r.run();

    //h1_->Reset();
    // h2_->Reset();
    //pf_->Reset();
    //if (ratio_) ratio_->Reset();

    for (uint i=0; i < nValidTriggers_ && i < 400 ; ++i){
      h1_->getTH1F()->GetXaxis()->SetBinLabel(i+1,HLTPathsByName_[i].c_str());
      h2_->getTH2F()->GetXaxis()->SetBinLabel(i+1,HLTPathsByName_[i].c_str());
      h2_->getTH2F()->GetYaxis()->SetBinLabel(i+1,HLTPathsByName_[i].c_str());
      pf_->getTH1F()->GetXaxis()->SetBinLabel(i+1,HLTPathsByName_[i].c_str());
      if (ratio_)
        ratio_->getTH1F()->GetXaxis()->SetBinLabel(i+1,(HLTPathsByName_[i]+" & "+denominator_).c_str());
    }
    
    //------------------------End Of BitPlotting section -------------------------//
  }
     
}


// ------------ method called to for each event  ------------
void
HLTMonBitSummary::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{
  if(configFlag_) return;
     
  total_++;    
  const std::string invalid("@@invalid@@");

  // get hold of TriggerResults Object
  edm::Handle<edm::TriggerResults> trh;
  iEvent.getByLabel(inputTag_,trh);
  
  if (trh.failedToGet()) {
     edm::LogError("HLTMonBitSummary")<<" could not get: "<<inputTag_;
     return;
  }

  // get hold of trigger names - based on TriggerResults object!
  const edm::TriggerNames & triggerNames = iEvent.triggerNames(*trh);

  unsigned int lastModule = 0;

  //std::cout << " Was at least one path run? " << trh->wasrun() << std::endl;;
  //std::cout << " Has at least one path accepted the event? " << trh->accept() << std::endl;
  //std::cout << " Has any path encountered an error? " << trh->error() << std::endl;
  //std::cout << " Number of paths stored =  " << trh->size() << std::endl;  

  for (unsigned int trig=0; trig < nValidTriggers_; trig++) {
    //convert *all* trigger names (from config and key) to trigger index properly  
    HLTPathsByIndex_[trig]=triggerNames.triggerIndex(HLTPathsByName_[trig]);
  }
  
  //get filter information for config triggers only
  for (unsigned int trig=0; trig < nValidConfigTriggers_; trig++) {
    //std::cout << "Trigger Name = " << HLTPathNamesConfig_[trig] << ", HLTPathsByIndex_ = " << HLTPathsByIndex_[trig] << std::endl; 
    //std::cout << "Trigger Name = " << HLTPathNamesConfig_[trig] << ", trh->index = " << lastModule << " " << trh->accept(HLTPathsByIndex_[trig]) << std::endl; 
    
    //check if trigger exists in TriggerResults
    if(!filterTypes_.empty() && !filterFlag_ && HLTPathsByIndex_[trig] < trh->size()) {
      lastModule = trh->index(HLTPathsByIndex_[trig]);
        
      //go through the list of filters
      for(unsigned int filt = 0; filt < triggerFilters_[trig].size()-1; filt++){
        //      cout << "triggerFilters_["<<trig<<"]["<<filt+1<<"] = " << triggerFilters_[trig][filt+1] 
        //           << " , triggerFilterIndices = " << triggerFilterIndices_[trig][filt+1]
        //           << " , lastModule = " << lastModule << std::endl;
        
        int binNumber = hSubFilterCount[trig]->getTH1F()->GetXaxis()->FindBin(triggerFilters_[trig][filt+1].c_str());      
        
        //check if filter passed
        if(trh->accept(HLTPathsByIndex_[trig])){
          hSubFilterCount[trig]->Fill(binNumber-1);//binNumber1 = 0 = first filter
        }
        //otherwise the module that issued the decision is the first fail
        //so that all the ones before it passed
        else if(triggerFilterIndices_[trig][filt+1] < lastModule){
          hSubFilterCount[trig]->Fill(binNumber-1);
        }
        
        //hSubFilterCount[trig]->Fill(-1);
        
        float eff = (float)hSubFilterCount[trig]->getBinContent(binNumber) / (float)total_ ;
        float efferr = sqrt(eff*(1-eff)/ (float)total_);
        hSubFilterEff[trig]->setBinContent(binNumber,eff);
        hSubFilterEff[trig]->setBinError(binNumber,efferr);

      }//filt
    } 
  }
  
  //and check validity name (should not be necessary)
  std::vector<bool> validity(nValidTriggers_);
  for (unsigned int i=0; i!=nValidTriggers_; i++) {
    validity[i]=( (HLTPathsByIndex_[i]<trh->size()) && (HLTPathsByName_[i]!=invalid) );
  }
   
  
  //---------------------B i t   P l o t t i n g   S e c t i o n --------------------//
  //---------------------------------------------------------------------------------//
  
  //convert also for the denominator and check validity
  uint denominatorIndex = 0;
  bool denominatorValidity= false;
  if (denominator_!="") {
    denominatorIndex=triggerNames.triggerIndex(denominator_);
    denominatorValidity= (denominatorIndex <trh->size());
  }
  
  std::stringstream report;
  std::string sep=" ";
  bool atLeastOne=false;
  
  //check whether the denominator fired
  bool denomAccept=false;
  if (ratio_ && denominatorValidity) {
    denomAccept=trh->accept(denominatorIndex);
    if(denomAccept) ndenomAccept_++;
  }

  for (unsigned int i=0; i!=nValidTriggers_; i++) {
    if (!validity[i]) continue;
    bool iAccept=trh->accept(HLTPathsByIndex_[i]);
    if (iAccept) {
      report<<sep<<HLTPathsByName_[i];
      count_[i]++;
      sep=", ";
      atLeastOne=true;
      //trigger has fired. make an entry in both 1D and profile plots
      h1_->Fill(i);
      //make the entry in the 2D plot : UPPER diagonal terms = AND of the two triggers
      for (unsigned int j=i; j!=nValidTriggers_; j++) {
        if (!validity[j]) continue;
        if (trh->accept(HLTPathsByIndex_[j]))
          h2_->Fill(i,j);    
      }//loop on second trigger for AND terms
    }//trigger[i]=true
       
    float pf_eff = (float)h1_->getBinContent(i+1) / (float)total_ ;
    float pf_efferr = sqrt(pf_eff*(1-pf_eff) / (float)total_);
    pf_->setBinContent(i+1,pf_eff);
    pf_->setBinError(i+1,pf_efferr);

    //make proper entries in the ratio plot
    if (ratio_ && denomAccept){
      float ratio_eff = (float)h1_->getBinContent(i+1) / (float)ndenomAccept_ ;
      float ratio_efferr = sqrt(ratio_eff*(1-ratio_eff) / (float)ndenomAccept_);
      ratio_->setBinContent(i+1,ratio_eff);
      ratio_->setBinError(i+1,ratio_efferr);
    }

    
    //make proper entry inthe 2D plot: LOWER diagonal terms = OR of the two triggers
    for (unsigned int j=0; j!=i; j++) {
      if (!validity[j]) continue;
      bool jAccept=trh->accept(HLTPathsByIndex_[j]);
      if (iAccept || jAccept)
        h2_->Fill(i,j);
     }//loop on second trigger for OR terms
    
  }//loop on first trigger

  if (atLeastOne){
    LogDebug("BitPlotting|BitReport")<<report.str();
  }
  
  //   edm::LogError("BitPlotting")<<"# entries:"<<h1_->getTH1F()->GetEntries();
  
  //-----------------E n d  o f  B i t P l o t t i n g   S e c t i o n-----------------//
       
}
void HLTMonBitSummary::beginJob() {  

  if(dbe_){
    if (directory_ != "" && directory_.substr(directory_.length()-1,1) != "/" ) directory_ = directory_+"/" ;
  
    float min = -0.5;
    float max = 400-0.5;
    //uint nBin = HLTPathsByName_.size();
    uint nBin = 400;
   
    dbe_->setCurrentFolder(directory_);

    h1_ = dbe_->book1D("PassingBits_Summary_"+histLabel_,"PassingBits_Summary_"+histLabel_, nBin, min, max);
    h2_ = dbe_->book2D("PassingBits_Correlation_"+histLabel_,"PassingBits_Correlation_"+histLabel_,nBin,min,max, nBin,min,max);
    pf_ = dbe_->book1D("Efficiency_Summary_"+histLabel_,"Efficiency_Summary_"+histLabel_, nBin, min, max);
    if (denominator_!="")
      //ratio_ = dbe_->book1D(std::string("Ratio_"+denominator_),std::string("Ratio_"+denominator_),nBin,min,max);
      ratio_ = dbe_->book1D("HLTRate_"+histLabel_,"HLTRate_"+histLabel_,nBin,min,max);
    else 
      ratio_=0;

  }

}

// ------------ method called once each job just after ending the event loop  ------------
void HLTMonBitSummary::endJob() {  
    
  std::stringstream report;
  report <<" out of: "<<total_<<" events.\n";
  if(!count_.empty()){
    for (uint i=0; i!=HLTPathsByName_.size();i++){
      report<<HLTPathsByName_[i]<<" passed: "<<count_[i]<<" times.\n";
      count_[i]=0;
    }
  }
  
  edm::LogInfo("HLTMonBitSummary|BitSummary")<<report.str();
  LogDebug("HLTMonBitSummary|BitSummary")<<report.str();
  total_=0;
  //  if( out_.size() != 0 ) edm::Service<DQMStore>()->save(out_);
  
}


void HLTMonBitSummary::configSelector(std::vector<std::string> selectTriggers, std::vector<std::string > & theSelectTriggers){

  //get the configuration
  std::vector<std::string> validTriggerNames = hltConfig_.triggerNames(); 
  
  bool goodToGo = false;
  //remove all path names that are not valid
  while(!goodToGo && selectTriggers.size()!=0){
    goodToGo=true;
    for (std::vector<std::string>::iterator j=selectTriggers.begin();j!=selectTriggers.end();++j){
      bool goodOne = false;
      //check if trigger name is valid
      //use of wildcard
      TPRegexp wildCard(*j);
      //std::cout << "wildCard.GetPattern() = " << wildCard.GetPattern() << std::endl;
      for (unsigned int i = 0; i != validTriggerNames.size(); ++i){
        if (TString(validTriggerNames[i]).Contains(wildCard)){ 
          goodOne = true;
          if (find(theSelectTriggers.begin(),
                   theSelectTriggers.end(), 
                   validTriggerNames[i])==theSelectTriggers.end()){
            //std::cout << "wildcard trigger = " << validTriggerNames[i] << std::endl;
            theSelectTriggers.push_back( validTriggerNames[i] ); //add it after duplicate check.
          }
        }
      }
    }
  }//while
}