/data/refman/pasoursint/CMSSW_5_3_3/src/DQM/TrigXMonitorClient/interface/HLTScalersClient.h

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// -*-c++-*-
// 
// Client class for HLT Scalers module.
// 
// $Id: HLTScalersClient.h,v 1.14 2010/04/02 20:48:11 wittich Exp $

// $Log: HLTScalersClient.h,v $
// Revision 1.14  2010/04/02 20:48:11  wittich
// updates to scale entries by received number of FU's
//
// Revision 1.13  2010/03/17 20:56:18  wittich
// Check for good updates based on mergeCount values
// add code for rates normalized per FU
//
// Revision 1.12  2010/03/16 22:19:19  wittich
// updates for per-LS normalization for variable
// number of FU's sending information back to the clients.
//
// Revision 1.11  2010/02/15 17:10:45  wittich
// Allow for longer length runs (2400 ls)
// this is only in the client
//
// Revision 1.10  2010/02/11 23:55:18  wittich
// - adapt to shorter Lumi Section length
// - fix bug in how history of counts was filled
//
// Revision 1.9  2010/02/11 00:11:09  wmtan
// Adapt to moved framework header
//
// Revision 1.8  2010/02/02 11:44:20  wittich
// more diagnostics for online scalers
//
// Revision 1.7  2009/12/15 20:41:16  wittich
// better hlt scalers client
//
// Revision 1.6  2009/11/22 14:17:46  puigh
// fix compilation warning
//
// Revision 1.5  2009/11/22 13:32:38  puigh
// clean beginJob
//

#ifndef HLTSCALERSCLIENT_H
#define HLTSCALERSCLIENT_H
#include <fstream>
#include <vector>
#include <deque>
#include <utility> 

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

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

#include "DQMServices/Core/interface/MonitorElement.h"
#include "FWCore/Utilities/interface/InputTag.h"
//#include "HLTrigger/HLTcore/interface/HLTConfigProvider.h"

#define MAX_PATHS 200
#define MAX_LUMI_SEG_HLT 2400

class HLTScalersClient: public edm::EDAnalyzer
{
private:
  std::ofstream textfile_;

public:
//   typedef std::pair<int,double> CountLS_t;
//   //typedef std::deque<CountLS_t> CountLSFifo_t;
//   typedef std::map<int,double> CountLSFifo_t;

  // helper data structures - slightly modified stl objects
  class CountLS_t: public std::pair<int,double>
  {
  public:
    CountLS_t(int ls, double cnt):
      std::pair<int,double>(ls,cnt)
    {};
    bool operator==(int ls) const
    {
      return ls == this->first;
    }
    bool operator<(CountLS_t & rhs ) 
    {
      return  this->first< rhs.first;
    };

  };

  class CountLSFifo_t: public std::deque<CountLS_t> 
  {
  private:
    unsigned int targetSize_;
    bool accumulate_;
  public:
    // default constructor
    CountLSFifo_t(unsigned int sz = 3) :
      std::deque<CountLS_t>(),
      targetSize_(sz)
    {}
    unsigned int targetSize() { return targetSize_; };
    double getCount(int ls)
    {
      CountLSFifo_t::iterator p = std::find(this->begin(), this->end(),
                                            ls);
      if ( p != end() ) 
        return p->second;
      else
        return -1;
    }


    void update( const CountLS_t & T)
    {
      // do we already have data for this LS?
      CountLSFifo_t::iterator p = std::find(this->begin(), this->end(),
                                            T.first);
      if ( p != this->end() ) { // we already have data for this LS
        p->second = T.second; 
      }
      else { // new data
        this->push_back(T);
      }
      trim_();
    }
  private:
    void trim_()
    {
      if ( this->size() > targetSize_ ) {
        std::sort(begin(), end());
        while ( size() > targetSize_ ) {
          pop_front();
        }
      }
    }
  };

  
public:
  HLTScalersClient(const edm::ParameterSet& ps);
  
  virtual ~HLTScalersClient() {
    if ( debug_ ) {
      textfile_.close();
    }
  };
  
  void beginJob(void);

  
  void beginRun(const edm::Run& run, const edm::EventSetup& c);

  void endRun(const edm::Run& run, const edm::EventSetup& c);

  
  void endLuminosityBlock(const edm::LuminosityBlock& lumiSeg, 
                          const edm::EventSetup& c);

  // unused
  void analyze(const edm::Event& e, const edm::EventSetup& c) ;


private:
  DQMStore * dbe_;

  int nev_; // Number of events processed
  int nLumi_; // number of lumi blocks
  int currentRun_;

  MonitorElement *currentRate_;
  int currentLumiBlockNumber_;
  std::vector<MonitorElement*> rateHistories_; 
  std::vector<MonitorElement*> countHistories_; 

  std::vector<MonitorElement*> hltCurrentRate_;
  MonitorElement *hltRate_; // global rate - any accept
  MonitorElement *hltCount_; // globalCounts
  //  MonitorElement *hltCountN_; // globalCounts normalized
  MonitorElement *updates_;
  MonitorElement *mergeCount_;

  // Normalized
  MonitorElement *hltNormRate_; // global rate - any accept
  MonitorElement *currentNormRate_;
  std::vector<MonitorElement*> rateNormHistories_; 
  std::vector<MonitorElement*> hltCurrentNormRate_;
  
  bool first_, missingPathNames_;
  std::string folderName_;
  unsigned int kRateIntegWindow_;
  std::string processName_;
  //HLTConfigProvider hltConfig_;
  std::deque<int> ignores_;
  std::pair<double,double> getSlope_(CountLSFifo_t points);
private:
  bool debug_;
  int maxFU_;
  std::vector<CountLSFifo_t> recentPathCountsPerLS_;
  CountLSFifo_t recentOverallCountsPerLS_;

  std::vector<CountLSFifo_t> recentNormedPathCountsPerLS_;
  CountLSFifo_t recentNormedOverallCountsPerLS_;


};


#endif // HLTSCALERSCLIENT_H