[MAJOR] Analayzer::UpdateHistograms moved to a worker that in a thread, only tested with CoincidentAnalyzer, need to change others

FSUDAQ.cpp

@@ -1173,6 +1173,7 @@ void FSUDAQ::StartACQ(){
   lbScalarACQStatus->setText("<font style=\"color: green;\"><b>ACQ On</b></font>");
 
   if( singleHistograms ) singleHistograms->startWork();
+  if( onlineAnalyzer ) onlineAnalyzer->startWork();
 
   bnStartACQ->setEnabled(false);
   bnStartACQ->setStyleSheet("");
@@ -1184,7 +1185,6 @@ void FSUDAQ::StartACQ(){
 
   if( digiSettings ) digiSettings->EnableButtons(false);
 
-  if( onlineAnalyzer ) onlineAnalyzer->StartThread();
 
   {//^=== elog and database
     if( influx && chkInflux->isChecked() ){
@@ -1242,10 +1242,8 @@ void FSUDAQ::StopACQ(){
   }
 
   if( scalar ) scalarTimer->stop();
-
-  if( onlineAnalyzer ) onlineAnalyzer->StopThread();
   if( singleHistograms ) singleHistograms->stopWork();
-  
+  if( onlineAnalyzer ) onlineAnalyzer->stopWork();
   
   lbScalarACQStatus->setText("<font style=\"color: red;\"><b>ACQ Off</b></font>");
 
@@ -1815,7 +1813,7 @@ void FSUDAQ::OpenAnalyzer(){
     if( id == 5 ) onlineAnalyzer = new NeutronGamma(digi, nDigi, rawDataPath);
     if( id >=  0 ) onlineAnalyzer->show();
 
-    if( isACQStarted ) onlineAnalyzer->StartThread();
+    if( isACQStarted ) onlineAnalyzer->startWork();
 
   }else{
 
@@ -1831,7 +1829,7 @@ void FSUDAQ::OpenAnalyzer(){
     if( id >= 0 ){
       onlineAnalyzer->show();
       onlineAnalyzer->activateWindow();
-      if( isACQStarted ) onlineAnalyzer->StartThread();
+      if( isACQStarted ) onlineAnalyzer->stopWork();
     }
   }
 

MultiBuilder.cpp

@@ -7,15 +7,18 @@ MultiBuilder::MultiBuilder(Data ** multiData, std::vector<int> type, std::vector
   data = multiData;
   typeList = type;
   snList = sn;
+  numTotCh = 0;
   for( uShort i = 0; i < nData; i++) {
     idList.push_back(i);
     dataSize.push_back(data[i]->GetDataSize());
+    numTotCh += data[i]->GetNChannel();
   }
   timeWindow = 100;
   leftOverTime = 100;
   breakTime = -1;
   timeJump = 1e8;
   lastEventTime = 0;
+  forceStop = false;
   ClearEvents();
 
 
@@ -29,6 +32,7 @@ MultiBuilder::MultiBuilder(Data * singleData, int type, int sn): nData(1){
   DebugPrint("%s", "MultiBuilder");
   data = new Data *[1];
   data[0] = singleData;
+  numTotCh = data[0]->GetNChannel();
   typeList.push_back(type);
   snList.push_back(sn);
   idList.push_back(0);  
@@ -37,7 +41,7 @@ MultiBuilder::MultiBuilder(Data * singleData, int type, int sn): nData(1){
   breakTime = -1;
   timeJump = 1e8;
   lastEventTime = 0;
-
+  forceStop = false;
   ClearEvents();
 }
 
@@ -57,6 +61,7 @@ void MultiBuilder::ClearEvents(){
       loopIndex[i][j] = 0;
       nextIndex[i][j] = -1;
       chExhaused[i][j] = false;
+      lastBackWardIndex[i][j] = 0;
     }
 
     earlistDigi = -1;
@@ -77,7 +82,6 @@ void MultiBuilder::PrintStat(){
       if( nextIndex[i][ch] >= 0 ) printf("%d %3d %2d | %7d (%d)\n", i, snList[i], ch, nextIndex[i][ch], loopIndex[i][ch]);
     }
   }
-
 }
 
 void MultiBuilder::PrintAllEvent(){
@@ -89,7 +93,6 @@ void MultiBuilder::PrintAllEvent(){
       events[i][j].Print();
     }
   }
-
 }
 
 void MultiBuilder::FindEarlistTimeAndCh(bool verbose){
@@ -100,10 +103,13 @@ void MultiBuilder::FindEarlistTimeAndCh(bool verbose){
   nExhaushedCh = 0;
   for( int i = 0; i < nData; i++){
 
-    for( int j = 0; j < data[i]->GetNChannel(); j++ ) chExhaused[i][j] = false;
+    for( int j = 0; j < data[i]->GetNChannel(); j++ ) {
+      chExhaused[i][j] = false;
+    }
 
     for(unsigned int ch = 0; ch < data[i]->GetNChannel(); ch ++){
 
+      {// check is dataIndex is valid
         int index = data[i]->GetDataIndex(ch);
         if( index < 0 ) {
           nExhaushedCh ++;
@@ -117,6 +123,7 @@ void MultiBuilder::FindEarlistTimeAndCh(bool verbose){
           chExhaused[i][ch] = true;
           continue;
         }
+      }
 
       if( nextIndex[i][ch] == -1 ) nextIndex[i][ch] = 0;
 
@@ -126,6 +133,7 @@ void MultiBuilder::FindEarlistTimeAndCh(bool verbose){
         earlistDigi = i;
         earlistCh = ch;
       }
+      // printf(" ch : %d | time %llu | %llu\n", ch, time, earlistTime);
     }
   }
 
@@ -147,7 +155,7 @@ void MultiBuilder::FindLatestTimeAndCh(bool verbose){
 
     for(unsigned int ch = 0; ch < data[i]->GetNChannel(); ch ++){
       
-      if( nextIndex[i][ch] < 0  || data[i]->GetDataIndex(ch) < 0 ) {
+      if( nextIndex[i][ch] < 0  || data[i]->GetDataIndex(ch) < 0 || nextIndex[i][ch] <= lastBackWardIndex[i][ch] ) {
         nExhaushedCh ++;
         chExhaused[i][ch] = true;
         // printf(", exhanshed. %d \n", nExhaushedCh);
@@ -211,6 +219,7 @@ void MultiBuilder::FindLatestTimeOfData(bool verbose){
 
 void MultiBuilder::BuildEvents(bool isFinal, bool skipTrace, bool verbose){
   DebugPrint("%s", "MultiBuilder");
+
   FindEarlistTimeAmongLastData(verbose); // give lastest Time, Ch, and Digi for event building
 
   FindEarlistTimeAndCh(verbose); //Give the earliest time, ch, digi
@@ -221,6 +230,8 @@ void MultiBuilder::BuildEvents(bool isFinal, bool skipTrace, bool verbose){
   Hit em;
   do{
 
+    if( forceStop ) break;
+
     eventIndex ++;
     if( eventIndex >= MaxNEvent ) eventIndex = 0;
     events[eventIndex].clear();
@@ -339,13 +350,16 @@ void MultiBuilder::BuildEvents(bool isFinal, bool skipTrace, bool verbose){
     }
   }while(nExhaushedCh < nData * MaxNChannels);
 
+  forceStop = false;
+
 }
 
 void MultiBuilder::BuildEventsBackWard(int maxNumEvent, bool verbose){
   DebugPrint("%s", "MultiBuilder");
   //skip trace, and only build for maxNumEvent events max
 
-  // remember the end of DataIndex, prevent over build
+  // Get the last data index and loop index
+
   for( int k = 0; k < nData; k++){
     for( int i = 0; i < data[k]->GetNChannel(); i++){
       nextIndex[k][i] = data[k]->GetDataIndex(i);
@@ -359,12 +373,11 @@ void MultiBuilder::BuildEventsBackWard(int maxNumEvent, bool verbose){
   eventBuilt = 0;
   Hit em;
   do{
+    if( forceStop ) break;
     eventIndex ++;
     if( eventIndex >= MaxNEvent ) eventIndex = 0;
     events[eventIndex].clear();
 
-    eventBuilt ++;
-    totalEventBuilt ++;
     em.Clear();
 
     for( int k = 0; k < nData; k++){
@@ -375,10 +388,9 @@ void MultiBuilder::BuildEventsBackWard(int maxNumEvent, bool verbose){
       for( int i = 0; i < numCh; i++){
         int ch = (i + latestCh) % numCh;
         if( chExhaused[bd][ch] ) continue;
-        //if( nextIndex[bd][ch] <= lastBackWardIndex[bd][ch] || nextIndex[bd][ch] < 0){
+        if( nextIndex[bd][ch] <= lastBackWardIndex[bd][ch] || nextIndex[bd][ch] <= 0){
-        if( nextIndex[bd][ch] < 0){
-          chExhaused[bd][ch] = true;
           nExhaushedCh ++;
+          chExhaused[bd][ch] = true;
           continue;
         }
 
@@ -406,11 +418,26 @@ void MultiBuilder::BuildEventsBackWard(int maxNumEvent, bool verbose){
       if( timeWindow == 0 ) break;
     }
 
+
+    FindLatestTimeAndCh(verbose);
+
+    if( verbose ) printf(" nExhaushedCh %d | numToCh %d \n", nExhaushedCh, numTotCh);
+    if( nExhaushedCh == numTotCh  ) {
+      if( verbose ) printf("######################### no more event to be built\n"); 
+      break;
+    } 
+    if( verbose ) printf("----- next bd: %d, ch : %d, next latest Time : %llu.\n", latestDigi, latestCh, latestTime);
+
+    if( events[eventIndex].size() > 0 ) {
+      eventBuilt ++;
+      totalEventBuilt ++;
+
       std::sort(events[eventIndex].begin(), events[eventIndex].end(), [](const Hit& a, const Hit& b) {
         return a.timestamp < b.timestamp;
       });
-
+    }else{
-    FindLatestTimeAndCh(verbose);
+      continue;
+    }
 
     if( verbose ){
       printf(">>>>>>>>>>>>>>>>> Event ID : %ld, total built: %ld, multiplicity : %ld\n", eventIndex, totalEventBuilt, events[eventIndex].size());
@@ -424,24 +451,19 @@ void MultiBuilder::BuildEventsBackWard(int maxNumEvent, bool verbose){
             break;
           }
         }
-        printf("%05d, %02d | %5d |  %5d %llu \n", sn, chxxx, nextIndex[bd][chxxx], events[eventIndex][i].energy, events[eventIndex][i].timestamp); 
+        printf("%5d, %02d | %5d |  %5d %llu \n", sn, chxxx, nextIndex[bd][chxxx], events[eventIndex][i].energy, events[eventIndex][i].timestamp); 
+      }
     }
 
-      if( nExhaushedCh == nData * MaxNChannels ) {
+  }while(nExhaushedCh < numTotCh && eventBuilt < maxNumEvent);
-        printf("######################### no more event to be built\n"); 
+
-        break;
+  forceStop = false;
+
+  // remember the end of DataIndex, prevent over build
+  for( int k = 0; k < nData; k++){
+    for( int i = 0; i < data[k]->GetNChannel(); i++){
+      lastBackWardIndex[k][i] = data[k]->GetDataIndex(i);
     }
-      printf("----- next bd: %d, ch : %d, next latest Time : %llu.\n", latestDigi, latestCh, latestTime);
-
   }
 
-  }while(nExhaushedCh < nData * MaxNChannels && eventBuilt < maxNumEvent);
-
-  // // remember the end of DataIndex, prevent over build
-  // for( int k = 0; k < nData; k++){
-  //   for( int i = 0; i < MaxRegChannel; i++){
-  //     lastBackWardIndex[k][i] = data[k]->DataIndex[i];
-  //   }
-  // }
-
 }

MultiBuilder.h

@@ -14,6 +14,8 @@ public:
   MultiBuilder(Data * singleData, int type, int sn);
   ~MultiBuilder();
 
+  void ForceStop(bool onOff) { forceStop = onOff;}
+
   void SetTimeWindow(unsigned short nanosec) {timeWindow = nanosec; leftOverTime = nanosec;}
   unsigned short GetTimeWindow() const{return timeWindow;}
 
@@ -48,6 +50,7 @@ private:
   std::vector<int> tick2ns;
   const unsigned short nData;
   Data ** data; // assume all data has MaxNChannel (16) 
+  int numTotCh; // number of total channel = sum digi[i]->GetNChannel()
 
   std::vector<uShort> dataSize;
 
@@ -78,6 +81,8 @@ private:
 
   int lastBackWardIndex[MaxNDigitizer][MaxNChannels];
 
+  bool forceStop;
+
 };
 
 

SingleSpectra.cpp

@@ -236,6 +236,7 @@ void SingleSpectra::ChangeHistView(){
 void SingleSpectra::FillHistograms(){
 
   // printf("%s | %d %d \n", __func__, chkIsFillHistogram->checkState(), isFillingHistograms);
+  if( this->isVisible() == false ) return;
   if( chkIsFillHistogram->checkState() == Qt::Unchecked ) return;
   if( isFillingHistograms) return;
 

analyzers/Analyser.cpp

@@ -30,9 +30,9 @@ Analyzer::Analyzer(Digitizer ** digi, unsigned int nDigi, QMainWindow * parent )
   isBuildBackward = false;
   mb = new MultiBuilder(dataList, typeList, snList);
 
-  buildTimerThread = new TimingThread(this);
+  // buildTimerThread = new TimingThread(this);
-  buildTimerThread->SetWaitTimeinSec(1.0); //^Set event build interval
+  // buildTimerThread->SetWaitTimeinSec(1.0); //^Set event build interval
-  connect( buildTimerThread, &TimingThread::timeUp, this, &Analyzer::UpdateHistograms);
+  // connect( buildTimerThread, &TimingThread::timeUp, this, &Analyzer::UpdateHistograms);
 
   QWidget * layoutWidget = new QWidget(this);
   setCentralWidget(layoutWidget);
@@ -42,19 +42,39 @@ Analyzer::Analyzer(Digitizer ** digi, unsigned int nDigi, QMainWindow * parent )
   // QPushButton * bnSetting = new QPushButton("Settings", this);
   // layout->addWidget(bnSetting);
 
+  anaThread = new QThread(this);
+  anaWorker = new AnalyzerWorker(this);
+  anaTimer = new QTimer();
+  isWorking = false;
+
+  anaWorker->moveToThread(anaThread);
+
+  connect(anaTimer, &QTimer::timeout, anaWorker, [=](){
+    if( isWorking ) return;
+    anaWorker->UpdateHistograms();
+  });
+
+  // connect(anaWorker, &AnalyzerWorker::workDone, this, [=](){
+  //   printf(" --------- work Done\n");
+  // });
+
+  anaThread->start();
+
 }
 
 Analyzer::~Analyzer(){
 
-  if( buildTimerThread ){
+  printf("Analyzer::%s\n", __func__);
-    if( !buildTimerThread->isStopped() ){
+  anaTimer->stop();
-      buildTimerThread->Stop();
+
-      buildTimerThread->quit();
+  printf(" is anaThread is running %d \n", anaThread->isRunning());
-      buildTimerThread->wait();
+  if( anaThread->isRunning() ){
-    }
+    anaThread->quit();
-    delete buildTimerThread;
+    anaThread->wait();
   }
 
+  printf("------ end of anaThread \n");
+
   delete influx;
   delete mb;
   delete [] dataList;
@@ -144,28 +164,17 @@ void Analyzer::RedefineEventBuilder(std::vector<int> idList){
   mb = new MultiBuilder(dataList, typeList, snList);
 }
 
-void Analyzer::StartThread(){
-  mb->ClearEvents();
-  buildTimerThread->start();
-}
-
-void Analyzer::StopThread(){
-  // printf("%s\n", __func__);
-  buildTimerThread->Stop();
-  buildTimerThread->quit();
-  buildTimerThread->wait();
-}
-
 void Analyzer::BuildEvents(bool verbose){
   
-  unsigned int nData = mb->GetNumOfDigitizer();
+  // unsigned int nData = mb->GetNumOfDigitizer();
-  std::vector<int> idList = mb->GetDigiIDList();
+  // std::vector<int> idList = mb->GetDigiIDList();
   // for( unsigned int i = 0; i < nData; i++ ) digiMTX[idList[i]].lock();
   if( isBuildBackward ){
     mb->BuildEventsBackWard(maxNumEventBuilt, verbose);
   }else{
     mb->BuildEvents(0, true, verbose);
   }
+  // mb->PrintStat();
   // for( unsigned int i = 0; i < nData; i++ ) digiMTX[idList[i]].unlock();
 
 }

analyzers/Analyser.h

@@ -38,7 +38,7 @@ and recompile FSUDAQ to incorporate the changes and activate the custom analyzer
 #include "Histogram1D.h"
 #include "Histogram2D.h"
 
-// class AnalyzerWorker; //Forward decalration
+class AnalyzerWorker; //Forward decalration
 
 //^==============================================
 //^==============================================
@@ -56,27 +56,40 @@ public:
   void SetDatabase(QString IP, QString Name, QString Token);
 
   double RandomGauss(double mean, double sigma);
-
-public slots:
-  void StartThread();
-  void StopThread();
   void SetDatabaseButton();
 
+  double GetUpdateTimeInSec() const {return waitTimeinSec;}
+
   virtual void SetUpCanvas();
   virtual void UpdateHistograms(); // where event-building, analysis, and ploting
 
+public slots:
+  void startWork(){ 
+    // printf("start timer\n");
+    mb->ForceStop(false);
+    mb->ClearEvents();
+    anaTimer->start(waitTimeinSec*1000); 
+  } 
+  void stopWork(){ 
+    // printf("stop worker\n");
+    anaTimer->stop(); 
+    mb->ForceStop(true);
+  }  
+
 private slots:
 
 protected:
   QGridLayout * layout;
   void BuildEvents(bool verbose = false);
-  void SetUpdateTimeInSec(double sec = 1.0) {waitTimeinSec = sec; buildTimerThread->SetWaitTimeinSec(waitTimeinSec);}
+  void SetUpdateTimeInSec(double sec = 1.0) { waitTimeinSec = sec; }
 
   InfluxDB * influx;
   QString dataBaseIP;
   QString dataBaseName;
   QString dataBaseToken;
 
+  bool isWorking; // a flag to indicate the worker is working
+
 private:
   Digitizer ** digi;
   unsigned short nDigi;
@@ -90,29 +103,33 @@ private:
   MultiBuilder * mb;
   bool isBuildBackward;
   int maxNumEventBuilt;
-  TimingThread * buildTimerThread;
+  // TimingThread * buildTimerThread;
+
+  QThread * anaThread;
+  AnalyzerWorker * anaWorker;
+  QTimer * anaTimer;
 
 
 };
 
 //^================================================ AnalyzerWorker
 
-// class ScalarWorker : public QObject{
+class AnalyzerWorker : public QObject{
-//   Q_OBJECT
+  Q_OBJECT
-// public:
+public:
-//   ScalarWorker(Analyzer * parent): SS(parent){}
+  AnalyzerWorker(Analyzer * parent): SS(parent){}
 
-// public slots:
+public slots:
-//   void UpdateScalar(){
+  void UpdateHistograms(){
-//     SS->UpdateHistograms();
+    SS->UpdateHistograms();
-//     emit workDone();
+    emit workDone();
-//   }
+  }
 
-// signals:
+signals:
-//   void workDone();
+  void workDone();
 
-// private:
+private:
-//   Analyzer * SS;
+  Analyzer * SS;
-// };
+};
 
 #endif

analyzers/CoincidentAnalyzer.h

@@ -403,16 +403,22 @@ inline void CoincidentAnalyzer::SetUpCanvas(){
 
 inline void CoincidentAnalyzer::UpdateHistograms(){
 
+  // printf(">>>>>>>>>>>>> CoincidentAnalyzer::%s | %d %d %d \n", __func__, this->isVisible(), chkRunAnalyzer->isChecked(), isWorking);
+
   if( this->isVisible() == false ) return;
   if( chkRunAnalyzer->isChecked() == false ) return;
 
+  if( isWorking ) return; 
+  isWorking = true; // This is important. set the isWorking = true to prevent another call of UpdateHistograms()
+
   unsigned long long t0 = getTime_ns();
-  BuildEvents(); // call the event builder to build events
+  BuildEvents(false); // call the event builder to build events
   // unsigned long long t1 = getTime_ns();
   // printf("Event Build time : %llu ns = %.f msec\n", t1 - t0, (t1-t0)/1e6);
 
   //============ Get events, and do analysis
   long eventBuilt = evtbder->eventBuilt;
+
   if( eventBuilt == 0 ) return;
 
   //============ Get the cut list, if any
@@ -450,7 +456,7 @@ inline void CoincidentAnalyzer::UpdateHistograms(){
     int xE = -1, yE = -1;
     unsigned long long xT = 0;
     for( int k = 0; k < (int) event.size(); k++ ){
-      //event[k].Print();
+      // event[k].Print();
       if( event[k].sn == a_sn && event[k].ch == a_ch) {
         h1->Fill(event[k].energy);
         aE = event[k].energy;
@@ -478,10 +484,11 @@ inline void CoincidentAnalyzer::UpdateHistograms(){
     }
 
     unsigned long long ta = getTime_ns();
-    if( ta - t0 > sbUpdateTime->value() * 0.9 * 1e9 ) break;
+    if( ta - t0 > sbUpdateTime->value() * 0.9 * GetUpdateTimeInSec() * 1e9 ) break;
 
   }
 
+  // printf("--------------- update histograms\n");
   h2D->UpdatePlot();
   h1->UpdatePlot();
   hMulti->UpdatePlot();
@@ -502,6 +509,10 @@ inline void CoincidentAnalyzer::UpdateHistograms(){
     influx->WriteData(dataBaseName.toStdString());
     influx->ClearDataPointsBuffer();
   }
+
+  // printf("<<<<<<<<<<<<< end of UpdateHistorgams\n");
+
+  isWorking = false;
 }
 
 inline void CoincidentAnalyzer::SaveSettings(){