From f2c0e243161e7116163fa53433d5116b0a39c54f Mon Sep 17 00:00:00 2001
From: sawenzel <sandro.wenzel@cern.ch>
Date: Wed, 17 Jan 2018 12:12:39 +0100
Subject: [PATCH] Initial o2::tof::DigitizerTask shell (#2)

Initial layout for the tof digitizer task.
It compiles and runs:

o2sim -m TOF ...
root run_digi_tof.C
---
 Detectors/TOF/simulation/CMakeLists.txt       |  2 +
 .../include/TOFSimulation/Digitizer.h         |  2 +
 .../TOF/simulation/src/TOFSimulationLinkDef.h |  3 +-
 macro/run_digi_tof.C                          | 89 +++++++++++++++++++
 4 files changed, 95 insertions(+), 1 deletion(-)
 create mode 100644 macro/run_digi_tof.C

diff --git a/Detectors/TOF/simulation/CMakeLists.txt b/Detectors/TOF/simulation/CMakeLists.txt
index e9e0ff9e8994d..61e83430e927e 100644
--- a/Detectors/TOF/simulation/CMakeLists.txt
+++ b/Detectors/TOF/simulation/CMakeLists.txt
@@ -5,11 +5,13 @@ O2_SETUP(NAME ${MODULE_NAME})
 set(SRCS
   src/Detector.cxx
   src/Digitizer.cxx
+  src/DigitizerTask.cxx
 )
 
 set(HEADERS
   include/TOFSimulation/Detector.h
   include/TOFSimulation/Digitizer.h
+  include/TOFSimulation/DigitizerTask.h
 )
 
 SET(LINKDEF src/TOFSimulationLinkDef.h)
diff --git a/Detectors/TOF/simulation/include/TOFSimulation/Digitizer.h b/Detectors/TOF/simulation/include/TOFSimulation/Digitizer.h
index 38da402a4465c..5a271fd71356d 100644
--- a/Detectors/TOF/simulation/include/TOFSimulation/Digitizer.h
+++ b/Detectors/TOF/simulation/include/TOFSimulation/Digitizer.h
@@ -48,6 +48,8 @@ class Digitizer : public TObject
   Int_t getXshift(Int_t idigit) const { return mXshift[idigit]; }
   Int_t getZshift(Int_t idigit) const { return mZshift[idigit]; }
 
+  void setEventTime(double) {};
+
   void initParameters();
   void printParameters();
 
diff --git a/Detectors/TOF/simulation/src/TOFSimulationLinkDef.h b/Detectors/TOF/simulation/src/TOFSimulationLinkDef.h
index a10e6c265bc82..edf61ae814515 100644
--- a/Detectors/TOF/simulation/src/TOFSimulationLinkDef.h
+++ b/Detectors/TOF/simulation/src/TOFSimulationLinkDef.h
@@ -15,7 +15,8 @@
 #pragma link off all functions;
 
 #pragma link C++ class o2::tof::Detector+;
-#pragma link C++ class o2::tof::Digitizer+; 
+#pragma link C++ class o2::tof::Digitizer+;
+#pragma link C++ class o2::tof::DigitizerTask+;
 #pragma link C++ class o2::Base::DetImpl<o2::tof::Detector>+;
 
 #endif
diff --git a/macro/run_digi_tof.C b/macro/run_digi_tof.C
new file mode 100644
index 0000000000000..9178475a764af
--- /dev/null
+++ b/macro/run_digi_tof.C
@@ -0,0 +1,89 @@
+#if !defined(__CLING__) || defined(__ROOTCLING__)
+#include <sstream>
+
+#include <TStopwatch.h>
+
+#include "FairLogger.h"
+#include "FairRunAna.h"
+#include "FairFileSource.h"
+#include "FairRuntimeDb.h"
+#include "FairParRootFileIo.h"
+#include "FairSystemInfo.h"
+
+#include "TOFSimulation/DigitizerTask.h"
+#endif
+
+void run_digi_tof(Int_t nEvents = 10, Float_t rate=50.e3)
+{
+  // if rate>0 then continuous simulation for this rate will be performed
+
+  // Initialize logger
+  FairLogger* logger = FairLogger::GetLogger();
+  logger->SetLogVerbosityLevel("LOW");
+  logger->SetLogScreenLevel("DEBUG");
+
+  // Input and output file name
+  std::stringstream inputfile, outputfile, paramfile;
+  //inputfile << "AliceO2_" << mcEngine << ".mc_" << nEvents << "_event.root";
+  //paramfile << "AliceO2_" << mcEngine << ".params_" << nEvents << ".root";
+  //outputfile << "AliceO2_" << mcEngine << ".digi_" << nEvents << "_event.root";
+  inputfile << "o2sim.root";
+  paramfile << "o2sim_par.root";
+  outputfile << "o2sim_digi.root";
+
+  // Setup timer
+  TStopwatch timer;
+
+  // Setup FairRoot analysis manager
+  FairRunAna* fRun = new FairRunAna();
+  FairFileSource* fFileSource = new FairFileSource(inputfile.str().c_str());
+  fRun->SetSource(fFileSource);
+  fRun->SetOutputFile(outputfile.str().c_str());
+
+  if (rate > 0) {
+    fFileSource->SetEventMeanTime(1.e9 / rate); // is in us
+  }
+
+  // Setup Runtime DB
+  FairRuntimeDb* rtdb = fRun->GetRuntimeDb();
+  FairParRootFileIo* parInput1 = new FairParRootFileIo();
+  parInput1->open(paramfile.str().c_str());
+  rtdb->setFirstInput(parInput1);
+
+  // Setup digitizer
+  o2::tof::DigitizerTask* digi = new o2::tof::DigitizerTask();
+//  digi->setContinuous(rate > 0);
+//  digi->setFairTimeUnitInNS(1.0); // tell in which units (wrt nanosecond) FAIT timestamps are
+  fRun->AddTask(digi);
+
+  fRun->Init();
+
+  timer.Start();
+  fRun->Run();
+
+  std::cout << std::endl << std::endl;
+
+  // Extract the maximal used memory an add is as Dart measurement
+  // This line is filtered by CTest and the value send to CDash
+  FairSystemInfo sysInfo;
+  Float_t maxMemory = sysInfo.GetMaxMemory();
+  std::cout << "<DartMeasurement name=\"MaxMemory\" type=\"numeric/double\">";
+  std::cout << maxMemory;
+  std::cout << "</DartMeasurement>" << std::endl;
+
+  timer.Stop();
+  Double_t rtime = timer.RealTime();
+  Double_t ctime = timer.CpuTime();
+
+  Float_t cpuUsage = ctime / rtime;
+  cout << "<DartMeasurement name=\"CpuLoad\" type=\"numeric/double\">";
+  cout << cpuUsage;
+  cout << "</DartMeasurement>" << endl;
+  cout << endl << endl;
+  std::cout << "Macro finished succesfully" << std::endl;
+
+  std::cout << endl << std::endl;
+  std::cout << "Output file is " << outputfile.str() << std::endl;
+  // std::cout << "Parameter file is " << parFile << std::endl;
+  std::cout << "Real time " << rtime << " s, CPU time " << ctime << "s" << endl << endl;
+}