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/*
 * \file DTDataIntegrityTest.cc
 * 
 * $Date: 2010/09/07 09:15:14 $
 * $Revision: 1.37 $
 * \author S. Bolognesi - CERN
 *
 */

#include <DQM/DTMonitorClient/src/DTDataIntegrityTest.h>

//Framework
#include "DataFormats/FEDRawData/interface/FEDNumbering.h"
#include "CondFormats/DTObjects/interface/DTReadOutMapping.h"
#include "CondFormats/DataRecord/interface/DTReadOutMappingRcd.h"
#include "DQMServices/Core/interface/MonitorElement.h"
#include "DQMServices/Core/interface/DQMStore.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include <iostream>
#include <string>


using namespace std;
using namespace edm;


DTDataIntegrityTest::DTDataIntegrityTest(const ParameterSet& ps) : nevents(0) {
  
  LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest") << "[DTDataIntegrityTest]: Constructor";

  // prescale on the # of LS to update the test
  prescaleFactor = ps.getUntrackedParameter<int>("diagnosticPrescale", 1);


}


DTDataIntegrityTest::~DTDataIntegrityTest(){

  LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest") << "DataIntegrityTest: analyzed " << nupdates << " updates";

}


void DTDataIntegrityTest::beginJob(){

  LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest") << "[DTDataIntegrityTest]: BeginJob";

  //nSTAEvents = 0;
  nupdates = 0;
  run=0;

  dbe = Service<DQMStore>().operator->();
  
  // book the summary histogram
  dbe->setCurrentFolder("DT/00-DataIntegrity");
  summaryHisto = dbe->book2D("DataIntegritySummary","Summary Data Integrity",12,1,13,5,-2,3);
  summaryHisto->setAxisTitle("Sector",1);
  summaryHisto->setAxisTitle("Wheel",2);

  dbe->setCurrentFolder("DT/00-DataIntegrity");
  summaryTDCHisto = dbe->book2D("DataIntegrityTDCSummary","TDC Summary Data Integrity",12,1,13,5,-2,3);
  summaryTDCHisto->setAxisTitle("Sector",1);
  summaryTDCHisto->setAxisTitle("Wheel",2);

  dbe->setCurrentFolder("DT/00-DataIntegrity");
  glbSummaryHisto = dbe->book2D("DataIntegrityGlbSummary","Summary Data Integrity",12,1,13,5,-2,3);
  glbSummaryHisto->setAxisTitle("Sector",1);
  glbSummaryHisto->setAxisTitle("Wheel",2);

}

void DTDataIntegrityTest::beginRun(const Run& run, const EventSetup& context){

  context.get<DTReadOutMappingRcd>().get(mapping);

}



void DTDataIntegrityTest::beginLuminosityBlock(LuminosityBlock const& lumiSeg, EventSetup const& context) {

  LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest") <<"[DTDataIntegrityTest]: Begin of LS transition";

  // Get the run number
  run = lumiSeg.run();

}



void DTDataIntegrityTest::analyze(const Event& e, const EventSetup& context){
  // count the analyzed events
  nevents++;
  if(nevents%1000 == 0)
    LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest")
      << "[DTDataIntegrityTest]: "<<nevents<<" events";
}



void DTDataIntegrityTest::endLuminosityBlock(LuminosityBlock const& lumiSeg, EventSetup const& context) {

  // counts number of lumiSegs 
  nLumiSegs = lumiSeg.id().luminosityBlock();
  stringstream nLumiSegs_s; nLumiSegs_s << nLumiSegs;
  
  // prescale factor
  if (nLumiSegs%prescaleFactor != 0) return;
  
  LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest")
    <<"[DTDataIntegrityTest]: End of LS " << nLumiSegs << ", performing client operations";


  // counts number of updats 
  nupdates++;

  
  //Counter for x bin in the timing histos
  counter++;

  //Loop on FED id
  for (int dduId=FEDNumbering::MINDTFEDID; dduId<=FEDNumbering::MAXDTFEDID; ++dduId){
    LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest")
      <<"[DTDataIntegrityTest]:FED Id: "<<dduId;
 
    //Each nTimeBin onUpdate remove timing histos and book a new bunch of them
    stringstream dduId_s; dduId_s << dduId;
    
    string histoType;
    
    //Check if the list of ROS is compatible with the channels enabled
    string rosStatusName = "DT/00-DataIntegrity/FED" + dduId_s.str() + "/FED" + dduId_s.str() + "_ROSStatus";
    MonitorElement * FED_ROSStatus = dbe->get(rosStatusName);
     
    // Fill the summary histo   
    // Get the error summary histo
    string wheelSummaryName = "DT/00-DataIntegrity/FED" + dduId_s.str() + "_ROSSummary";
    MonitorElement * FED_ROSSummary = dbe->get(wheelSummaryName);

    // Get the histos for FED integrity
    string fedIntegrityFolder = "DT/FEDIntegrity_DT/";
    MonitorElement * hFEDEntry = dbe->get(fedIntegrityFolder+"FEDEntries");
    MonitorElement * hFEDFatal = dbe->get(fedIntegrityFolder+"FEDFatal");
    MonitorElement * hFEDNonFatal = dbe->get(fedIntegrityFolder+"FEDNonFatal");

    if(hFEDEntry && hFEDFatal && hFEDNonFatal) {

      if(FED_ROSSummary && FED_ROSStatus) {
        TH2F * histoFEDSummary = FED_ROSSummary->getTH2F();
        TH2F * histoROSStatus  = FED_ROSStatus->getTH2F();
        // Check that the FED is in the ReadOut using the FEDIntegrity histos
        bool fedNotReadout = (hFEDEntry->getBinContent(dduId-769) == 0 &&
                              hFEDFatal->getBinContent(dduId-769) == 0 &&
                              hFEDNonFatal->getBinContent(dduId-769) == 0); 
        for(int rosNumber = 1; rosNumber <= 12; ++rosNumber) { // loop on the ROS
          int wheelNumber, sectorNumber;
          if (!readOutToGeometry(dduId,rosNumber,wheelNumber,sectorNumber)) {
            int result = -2;
            float nErrors  = histoFEDSummary->Integral(1,14,rosNumber,rosNumber);
            nErrors += histoROSStatus->Integral(2,8,rosNumber,rosNumber);
            //nErrors += histoROSStatus->Integral(10,12,rosNumber,rosNumber); Ev Id Mismatch triggers to many minor errors
            if(nErrors == 0) { // no errors
              result = 0;
            } else { // there are errors
              result = 2;
            }
            summaryHisto->setBinContent(sectorNumber,wheelNumber+3,result);
            int tdcResult = -2;
            float nTDCErrors = histoFEDSummary->Integral(15,15,rosNumber,rosNumber); 
            if(nTDCErrors == 0) { // no errors
              tdcResult = 0;
            } else { // there are errors
              tdcResult = 2;
            }
            summaryTDCHisto->setBinContent(sectorNumber,wheelNumber+3,tdcResult);
            // FIXME: different errors should have different weights
            float sectPerc = max((float)0., ((float)nevents-nErrors)/(float)nevents);
            glbSummaryHisto->setBinContent(sectorNumber,wheelNumber+3,sectPerc);
           
            if(fedNotReadout) {
              // no data in this FED: it is off
              summaryHisto->setBinContent(sectorNumber,wheelNumber+3,1);
              summaryTDCHisto->setBinContent(sectorNumber,wheelNumber+3,1);
              glbSummaryHisto->setBinContent(sectorNumber,wheelNumber+3,0);
            }
          }
        }
      
      } else { // no data in this FED: it is off
        for(int rosNumber = 1; rosNumber <= 12; ++rosNumber) {
          int wheelNumber, sectorNumber;
          if (!readOutToGeometry(dduId,rosNumber,wheelNumber,sectorNumber)) {
            summaryHisto->setBinContent(sectorNumber,wheelNumber+3,1);
            summaryTDCHisto->setBinContent(sectorNumber,wheelNumber+3,1);
            glbSummaryHisto->setBinContent(sectorNumber,wheelNumber+3,0);
          } 
        }
      }

    }
    
  }
  
}



void DTDataIntegrityTest::endJob(){

  LogTrace ("DTDQM|DTRawToDigi|DTMonitorClient|DTDataIntegrityTest") <<"[DTDataIntegrityTest] endjob called!";

//   dbe->rmdir("DT/DTDataIntegrity");
}



string DTDataIntegrityTest::getMEName(string histoType, int FEDId){
  //Use the DDU name to find the ME
  stringstream dduID_s; dduID_s << FEDId;

  string folderName = "DT/00-DataIntegrity/FED" + dduID_s.str(); 

  string histoName = folderName + "/FED" + dduID_s.str() + "_" + histoType;
  return histoName;
}



void DTDataIntegrityTest::bookHistos(string histoType, int dduId){
  stringstream dduId_s; dduId_s << dduId;
  dbe->setCurrentFolder("DT/00-DataIntegrity/FED" + dduId_s.str());
  string histoName;

}


int DTDataIntegrityTest::readOutToGeometry(int dduId, int ros, int& wheel, int& sector){

  int dummy;
  return mapping->readOutToGeometry(dduId,ros,2,2,2,wheel,dummy,sector,dummy,dummy,dummy);

}