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#ifndef HLTPrescaler_H
#define HLTPrescaler_H
/** \class HLTPrescaler
*
*
* This class is an EDFilter implementing an HLT
* Prescaler module with associated book keeping.
*
*
* \author Martin Grunewald
* \author Philipp Schieferdecker
*/
#include <atomic>
#include <memory>
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/stream/EDFilter.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/PrescaleService/interface/PrescaleService.h"
// legacy/stage-1 L1T:
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerReadoutRecord.h"
// stage-2 L1T:
#include "DataFormats/L1TGlobal/interface/GlobalAlgBlk.h"
namespace edm {
class ConfigurationDescriptions;
}
namespace trigger {
struct Efficiency {
Efficiency() : eventCount_(0), acceptCount_(0) {}
mutable std::atomic<unsigned int> eventCount_;
mutable std::atomic<unsigned int> acceptCount_;
};
} // namespace trigger
class HLTPrescaler : public edm::stream::EDFilter<edm::GlobalCache<trigger::Efficiency> > {
public:
//
// construction/destruction
//
explicit HLTPrescaler(edm::ParameterSet const& iConfig, const trigger::Efficiency* efficiency);
~HLTPrescaler() override;
static std::unique_ptr<trigger::Efficiency> initializeGlobalCache(edm::ParameterSet const&) {
return std::make_unique<trigger::Efficiency>();
}
//
// member functions
//
static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
void beginLuminosityBlock(edm::LuminosityBlock const& lb, edm::EventSetup const& iSetup) override;
bool filter(edm::Event& iEvent, edm::EventSetup const& iSetup) override;
void endStream() override;
static void globalEndJob(const trigger::Efficiency* efficiency);
private:
//
//member data
//
/// l1 prescale set index
unsigned int prescaleSet_;
/// accept one in prescaleFactor_; 0 means never to accept an event
unsigned int prescaleFactor_;
/// event counter
unsigned int eventCount_;
/// accept counter
unsigned int acceptCount_;
/// initial offset
unsigned int offsetCount_;
unsigned int offsetPhase_;
/// prescale service
edm::service::PrescaleService* prescaleService_;
/// check for (re)initialization of the prescale
bool newLumi_;
/// GT payload, to extract the prescale column index
edm::InputTag gtDigiTag_;
edm::EDGetTokenT<L1GlobalTriggerReadoutRecord> gtDigi1Token_;
edm::EDGetTokenT<GlobalAlgBlkBxCollection> gtDigi2Token_;
/// "seed" used to initialize the prescale counter
static const unsigned int prescaleSeed_;
};
#endif
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