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Optionally produce the EWM as well as the event header #1693

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Optionally produce the EWM as well as the event header #1693

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df426c1
Optionally produce the EWM as well as the event header
michaelmackenzie Jan 24, 2026
03385a1
Fix clock unit
michaelmackenzie Jan 24, 2026
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64 changes: 45 additions & 19 deletions DAQ/src/EventHeaderFromCFOFragment_module.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -4,30 +4,36 @@
//
// ======================================================================

// Framework
#include "art/Framework/Core/EDProducer.h"
#include "art/Framework/Principal/Event.h"
#include "art/Framework/Services/Registry/ServiceHandle.h"
#include "fhiclcpp/ParameterSet.h"

#include "art/Framework/Principal/Handle.h"

// artdaq
#include <artdaq-core-mu2e/Data/EventHeader.hh>
#include "artdaq-core-mu2e/Overlays/CFOEventFragment.hh"
#include "artdaq-core-mu2e/Overlays/CFO_Packets/CFO_Event.h"
#include "artdaq-core-mu2e/Overlays/CFO_Packets/CFO_EventRecord.h"
#include "artdaq-core-mu2e/Overlays/FragmentType.hh"

#include <artdaq-core/Data/Fragment.hh>

#include <iostream>
// Offline
#include "Offline/DataProducts/inc/EventWindowMarker.hh"

// C++
#include <iostream>
#include <string>

#include <array>
#include <list>
#include <memory>
#include <unordered_map>
#include <vector>

// TRACE
#include "trace.h"
#define TRACE_NAME "Mu2eSubEventReceiver"
#define TRACE_NAME "EventHeaderFromCFOFragment"

namespace art {
class EventHeaderFromCFOFragment;
Expand All @@ -39,8 +45,11 @@ class art::EventHeaderFromCFOFragment : public EDProducer {

public:
struct Config {
fhicl::Atom<art::InputTag> cfoTag {fhicl::Name("cfoTag"), fhicl::Comment("Input module")};
fhicl::Atom<int> diagLevel{fhicl::Name("diagLevel"), fhicl::Comment("diagnostic level")};
using Name = fhicl::Name;
using Comment = fhicl::Comment;
fhicl::Atom<art::InputTag> cfoTag {Name("cfoTag"), Comment("Input CFO fragment tag")};
fhicl::Atom<bool> ewm {Name("createEWM"), Comment("Produce an event window marker object")};
fhicl::Atom<int> diagLevel{Name("diagLevel"), Comment("diagnostic level")};
};

// --- C'tor/d'tor:
Expand All @@ -54,6 +63,7 @@ class art::EventHeaderFromCFOFragment : public EDProducer {

private:
art::InputTag cfoFragmentTag_;
bool ewm_;
int diagLevel_;
};

Expand All @@ -65,39 +75,55 @@ art::EventHeaderFromCFOFragment::EventHeaderFromCFOFragment(
const art::EDProducer::Table<Config>& config) :
art::EDProducer{config},
cfoFragmentTag_(config().cfoTag()),
ewm_(config().ewm()),
diagLevel_(config().diagLevel()) {
produces<mu2e::EventHeader>();
if(ewm_) {
TLOG(TLVL_DEBUG + 2) << "Producing EventWindowMarker";
produces<mu2e::EventWindowMarker>();
}
}

// ----------------------------------------------------------------------

void art::EventHeaderFromCFOFragment::produce(Event& event) {

// Collection of CaloHits for the event
std::unique_ptr<mu2e::EventHeader> evtHdr(new mu2e::EventHeader);
art::Handle<artdaq::Fragments> cfoFragmentHandle;
std::unique_ptr<mu2e::EventHeader> evtHdr(new mu2e::EventHeader);
std::unique_ptr<mu2e::EventWindowMarker> ewm((ewm_) ? new mu2e::EventWindowMarker : nullptr);
art::Handle<artdaq::Fragments> cfoFragmentHandle;

if(!event.getByLabel(cfoFragmentTag_, cfoFragmentHandle)) {
event.put(std::move(evtHdr));
TLOG(TLVL_DEBUG) << "No CFO fragments found";
if(ewm_) event.put(std::move(ewm));
TLOG(TLVL_DEBUG + 1) << "No CFO fragments found";
return;
}

const auto *fragments = cfoFragmentHandle.product();
if (fragments->size()>0){
const auto &frag = fragments->at(0);
mu2e::CFOEventFragment cfoFrag(frag);
const CFOLib::CFO_Event cfo = cfoFrag.getData();
//const CFO_EventRecord& cfoRecord = cfo.GetEventRecord();
evtHdr->mode = 0;//cfo.GetEventMode();
evtHdr->ewt = static_cast<long unsigned int>(cfo.GetEventWindowTag().GetEventWindowTag().to_ullong());
evtHdr->flags = cfo.GetEventMode().isOnSpillFlagSet();
TLOG(TLVL_DEBUG+20) << "mode = "<< evtHdr->mode <<" ewt = "<< evtHdr->ewt << " flags = " << evtHdr->flags;
}else {
TLOG(TLVL_DEBUG) << "No CFO fragments found in the event";
const mu2e::CFOEventFragment cfoFrag(frag);
const CFOLib::CFO_Event cfo = cfoFrag.getData();
const CFOLib::CFO_EventRecord& cfoRecord = cfo.GetEventRecord();
evtHdr->mode = 0;//cfo.GetEventMode();
evtHdr->ewt = static_cast<long unsigned int>(cfo.GetEventWindowTag().GetEventWindowTag().to_ullong());
evtHdr->flags = cfo.GetEventMode().isOnSpillFlagSet();
evtHdr->eventDuration = cfoRecord.event_duration;
TLOG(TLVL_DEBUG + 20) << "mode = " << evtHdr->mode << " ewt = "<< evtHdr->ewt << " flags = " << evtHdr->flags
<< " onspill = " << evtHdr->isOnSpill() << " duration = " << evtHdr->eventDuration;
} else {
TLOG(TLVL_DEBUG + 3) << "No CFO fragments found in the event";
}

if(ewm_) {
constexpr double tick = 5.; // clock ticks -> ns
ewm->_spillType = (evtHdr->isOnSpill()) ? mu2e::EventWindowMarker::SpillType::onspill : mu2e::EventWindowMarker::SpillType::offspill;
ewm->_eventLength = tick*evtHdr->eventDuration;
}

event.put(std::move(evtHdr));
if(ewm_) event.put(std::move(ewm));
} // produce()

// ======================================================================
Expand Down