Add plugin to save random trigger events to HDDM

src/plugins/Utilities/SConscript

@@ -5,7 +5,7 @@ Import('*')
 
 # Default targets (always built)
 subdirs = ['danarest', 'evio_writer', 'evio-hddm']
-subdirs.extend(['2trackskim', 'pi0bcalskim', 'pi0fcalskim', 'run_summary', 'track_skimmer', 'trackeff_missing','ps_skim', 'trigger_skims', 'bigevents_skim', 'coherent_peak_skim','exclusivepi0skim'])
+subdirs.extend(['2trackskim', 'pi0bcalskim', 'pi0fcalskim', 'run_summary', 'track_skimmer', 'trackeff_missing','ps_skim', 'trigger_skims', 'bigevents_skim', 'coherent_peak_skim','exclusivepi0skim','randomtrigger_skim'])
 subdirs.extend(['EventTagPi0','es_test','omega_skim','cal_high_energy_skim'])
 SConscript(dirs=subdirs, exports='env osname', duplicate=0)
 

src/plugins/Utilities/randomtrigger_skim/JEventProcessor_randomtrigger_skim.cc

@@ -0,0 +1,112 @@
+//
+// JEventProcessor_randomtrigger_skim.cc
+//
+// JANA event processor plugin to skim random triggers to HDDM files
+//
+// Author: Sean Dobbs
+
+#include "JEventProcessor_randomtrigger_skim.h"
+#include "TRIGGER/DL1Trigger.h"
+#include "BCAL/DBCALHit.h"
+#include "DAQ/DL1Info.h"
+#include <HDDM/DEventWriterHDDM.h>
+#include <DAQ/DBeamCurrent.h>
+
+// for initializing plugins
+extern "C" {
+   void InitPlugin(JApplication *app)
+	{
+		InitJANAPlugin(app);
+		app->AddProcessor(new JEventProcessor_randomtrigger_skim(), true);
+   }
+} // "extern C"
+
+
+// variables to control which triggers get read out
+
+//-------------------------------
+// init
+//-------------------------------
+jerror_t JEventProcessor_randomtrigger_skim::init(void)
+{
+    return NOERROR;
+}
+
+//-------------------------------
+// brun
+//-------------------------------
+jerror_t JEventProcessor_randomtrigger_skim::brun(JEventLoop *locEventLoop, int32_t runnumber)
+{
+    dBeamCurrentFactory = new DBeamCurrent_factory();
+    dBeamCurrentFactory->init();
+    dBeamCurrentFactory->brun(locEventLoop, runnumber);
+
+    return NOERROR;
+}
+
+//-------------------------------
+// evnt
+//-------------------------------
+jerror_t JEventProcessor_randomtrigger_skim::evnt(JEventLoop *locEventLoop, uint64_t eventnumber)
+{
+    // Get HDDM writer
+    vector<const DEventWriterHDDM*> locEventWriterHDDMVector;
+    locEventLoop->Get(locEventWriterHDDMVector);
+
+    // beam current and fiducial definition
+    vector<const DBeamCurrent*> beamCurrent;
+    locEventLoop->Get(beamCurrent);
+
+    //bool is_cosmic_trigger = false;
+    bool is_random_trigger = false;
+
+	const DL1Trigger *trig = NULL;
+	try {
+		locEventLoop->GetSingle(trig);
+	} catch (...) {}
+
+    // parse the triggers we want to save
+	if (trig) {
+
+		if (trig->fp_trig_mask & 0x800) {  // Trigger front-panel bit 11
+			// Periodic pulser trigger fired
+			is_random_trigger = true;
+		}
+
+	} 
+
+    // make sure this is a random trigger event
+    if(!is_random_trigger)
+        return NOERROR;
+
+    // make sure we can perform a fiducial beam current cut
+    if(beamCurrent.empty())
+        return NOERROR;
+
+    // make sure the beam is on
+    if(!beamCurrent[0]->is_fiducial)
+        return NOERROR;
+
+
+    // Save events to skim file
+    locEventWriterHDDMVector[0]->Write_HDDMEvent(locEventLoop, "random"); 
+
+    return NOERROR;
+}
+
+//-------------------------------
+// erun
+//-------------------------------
+jerror_t JEventProcessor_randomtrigger_skim::erun(void)
+{
+   return NOERROR;
+}
+
+//-------------------------------
+// fini
+//-------------------------------
+jerror_t JEventProcessor_randomtrigger_skim::fini(void)
+{
+   return NOERROR;
+}
+

src/plugins/Utilities/randomtrigger_skim/JEventProcessor_randomtrigger_skim.h

@@ -0,0 +1,46 @@
+//
+//	 File: JEventProcessor_randomtrigger_skim.h
+// Created: Wed Nov 9 15:08:37 EDT 2014
+// Creator: Paul Mattione
+//
+
+#ifndef _JEventProcessor_randomtrigger_skim_
+#define _JEventProcessor_randomtrigger_skim_
+
+#include <string>
+#include <vector>
+
+#include <JANA/JEventProcessor.h>
+#include <JANA/JEventLoop.h>
+#include <JANA/JApplication.h>
+#include <JANA/JEventSource.h>
+#include <JANA/JEvent.h>
+
+#include "evio_writer/DEventWriterEVIO.h"
+
+#include "PID/DChargedTrack.h"
+#include "DAQ/DEPICSvalue.h"
+
+#include "DAQ/DBeamCurrent.h"
+#include "DAQ/DBeamCurrent_factory.h"
+
+using namespace std;
+using namespace jana;
+
+class JEventProcessor_randomtrigger_skim : public jana::JEventProcessor
+{
+  public:
+
+    jerror_t init(void); ///< Called once at program start.
+    jerror_t brun(JEventLoop *loop, int32_t runnumber); ///< Called everytime a new run number is detected.
+    jerror_t evnt(JEventLoop *loop, uint64_t eventnumber); ///< Called every event.
+    jerror_t erun(void); ///< Called everytime run number changes, provided brun has been called.
+    jerror_t fini(void);	///< Called after last event of last event source has been processed.
+
+  private:
+    DBeamCurrent_factory *dBeamCurrentFactory;
+
+};
+
+#endif // _JEventProcessor_randomtrigger_skim_
+

src/plugins/Utilities/randomtrigger_skim/SConscript

@@ -0,0 +1,13 @@
+
+
+import sbms
+
+# get env object and clone it
+Import('*')
+env = env.Clone()
+
+sbms.AddDANA(env)
+sbms.AddROOT(env)
+sbms.plugin(env)
+
+