Inheritance diagram for HiveSlimEventLoopMgr:

Collaboration diagram for HiveSlimEventLoopMgr:

Public Member Functions
	~HiveSlimEventLoopMgr () override
StatusCode	getEventRoot (IOpaqueAddress *&refpAddr)
	Create event address using event selector.
StatusCode	initialize () override
	implementation of IService::initialize
StatusCode	reinitialize () override
	implementation of IService::reinitialize
StatusCode	stop () override
	implementation of IService::stop
StatusCode	finalize () override
	implementation of IService::finalize
StatusCode	nextEvent (int maxevt) override
	implementation of IService::nextEvent
EventContext	createEventContext () override
	implementation of IEventProcessor::createEventContext()
StatusCode	executeEvent (EventContext &&ctx) override
	implementation of IEventProcessor::executeEvent(EventContext&&)
StatusCode	executeRun (int maxevt) override
	implementation of IEventProcessor::executeRun()
StatusCode	stopRun () override
	implementation of IEventProcessor::stopRun()
Public Member Functions inherited from extends< Service, IEventProcessor >
void const *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast.
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface.
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames.
Public Member Functions inherited from Service
const std::string &	name () const override
	Retrieve name of the service.
StatusCode	configure () override
StatusCode	initialize () override
StatusCode	start () override
StatusCode	stop () override
StatusCode	finalize () override
StatusCode	terminate () override
Gaudi::StateMachine::State	FSMState () const override
Gaudi::StateMachine::State	targetFSMState () const override
StatusCode	reinitialize () override
StatusCode	restart () override
StatusCode	sysInitialize () override
	Initialize Service.
StatusCode	sysStart () override
	Initialize Service.
StatusCode	sysStop () override
	Initialize Service.
StatusCode	sysFinalize () override
	Finalize Service.
StatusCode	sysReinitialize () override
	Re-initialize the Service.
StatusCode	sysRestart () override
	Re-initialize the Service.
	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor.
SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator.
template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const
template<class T>
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandle< T > &hndl, const std::string &doc="none")
template<class T>
StatusCode	declareTool (ToolHandle< T > &handle, bool createIf=true)
template<class T>
StatusCode	declareTool (ToolHandle< T > &handle, const std::string &toolTypeAndName, bool createIf=true)
	Declare used tool.
template<class T>
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandleArray< T > &hndlArr, const std::string &doc="none")
template<class T>
void	addToolsArray (ToolHandleArray< T > &hndlArr)
const std::vector< IAlgTool * > &	tools () const
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked.
Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
StatusCode	setProperty (const Gaudi::Details::PropertyBase &p)
	Set the property from a property.
StatusCode	setProperty (const std::string &name, const char *v)
	Special case for string literals.
StatusCode	setProperty (const std::string &name, const std::string &v)
	Special case for std::string.
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value
	PropertyHolder ()=default
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property.
Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property.
StatusCode	setPropertyRepr (const std::string &n, const std::string &r) override
	set the property from name and value string representation
StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property
const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties
bool	hasProperty (std::string_view name) const override
	Return true if we have a property with the given name.
Gaudi::Details::PropertyBase *	property (std::string_view name) const
	\fixme property and bindPropertiesTo should be protected
void	bindPropertiesTo (Gaudi::Interfaces::IOptionsSvc &optsSvc)
PropertyHolder &	operator= (const PropertyHolder &)=delete
Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor.
const SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service.
MsgStream &	msgStream () const
	Return an uninitialized MsgStream.
MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts.
MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS)
MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL)
MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR)
MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR)
MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING)
MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO)
MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG)
MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE)
MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO)
MSG::Level	msgLevel () const
	get the cached level (originally extracted from the embedded MsgStream)
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream

Protected Member Functions
StatusCode	clearWBSlot (int evtSlot)
	Clear a slot in the WB.
StatusCode	declareEventRootAddress ()
	Declare the root address of the event.
StatusCode	drainScheduler (int &finishedEvents)
	Drain the scheduler from all actions that may be queued.
Protected Member Functions inherited from Service
std::vector< IAlgTool * > &	tools ()
	~Service () override
int	outputLevel () const
	get the `Service's` output level
Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	setUpMessaging () const override final
	Set up local caches.
MSG::Level	resetMessaging ()
	Reinitialize internal states.
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream.

Protected Attributes
Gaudi::Property< std::string >	m_histPersName { this, "HistogramPersistency", "", "" }
Gaudi::Property< std::string >	m_evtsel { this, "EvtSel", "", "" }
Gaudi::Property< std::string >	m_schedulerName
Gaudi::Property< std::vector< unsigned int > >	m_eventNumberBlacklist { this, "EventNumberBlackList", {}, "" }
Gaudi::Property< bool >	m_abortOnFailure { this, "AbortOnFailure", true, "Abort job on event failure" }
SmartIF< IDataManagerSvc >	m_evtDataMgrSvc
	Reference to the Event Data Service's IDataManagerSvc interface.
SmartIF< IEvtSelector >	m_evtSelector
	Reference to the Event Selector.
IEvtSelector::Context *	m_evtContext = nullptr
	Event Iterator.
SmartIF< IDataManagerSvc >	m_histoDataMgrSvc
	Reference to the Histogram Data Service.
SmartIF< IConversionSvc >	m_histoPersSvc
	Reference to the Histogram Persistency Service.
SmartIF< IHiveWhiteBoard >	m_whiteboard
	Reference to the Whiteboard.
SmartIF< IAlgResourcePool >	m_algResourcePool
	Reference to the Algorithm resource pool.
SmartIF< IAlgExecStateSvc >	m_algExecStateSvc
	Reference to the AlgExecStateSvc.
SmartIF< IProperty >	m_appMgrProperty
	Property interface of ApplicationMgr.
bool	m_endEventFired = false
	Flag to avoid to fire the EnvEvent incident twice in a row (and also not before the first event).
SmartIF< IScheduler >	m_schedulerSvc
	A shortcut for the scheduler.
SmartIF< IIncidentListener >	m_abortEventListener
	Instance of the incident listener waiting for AbortEvent.
bool	m_scheduledStop = false
	Scheduled stop of event processing.
SmartIF< IIncidentSvc >	m_incidentSvc
	Reference to the incident service.
std::vector< uint8_t >	m_blackList
EventContext::ContextEvt_t	m_nevt { 0 }
Protected Attributes inherited from Service
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state.
Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state.
Gaudi::Property< int >	m_outputLevel { this, "OutputLevel", MSG::NIL, "output level" }
	flag indicating whether ToolHandle tools have been added to m_tools
Gaudi::Property< bool >	m_auditorInitialize { this, "AuditInitialize", false, "trigger auditor on initialize()" }
Gaudi::Property< bool >	m_auditorStart { this, "AuditStart", false, "trigger auditor on start()" }
Gaudi::Property< bool >	m_auditorStop { this, "AuditStop", false, "trigger auditor on stop()" }
Gaudi::Property< bool >	m_auditorFinalize { this, "AuditFinalize", false, "trigger auditor on finalize()" }
Gaudi::Property< bool >	m_auditorReinitialize { this, "AuditReinitialize", false, "trigger auditor on reinitialize()" }
Gaudi::Property< bool >	m_auditorRestart { this, "AuditRestart", false, "trigger auditor on restart()" }
Gaudi::Property< bool >	m_autoRetrieveTools
Gaudi::Property< bool >	m_checkToolDeps
SmartIF< IAuditorSvc >	m_pAuditorSvc
	Auditor Service.

Additional Inherited Members
Public Types inherited from extends< Service, IEventProcessor >
using	base_class
	Typedef to this class.
using	extend_interfaces_base
	Typedef to the base of this class.
Public Types inherited from Service
using	Factory = Gaudi::PluginService::Factory<IService( const std::string&, ISvcLocator )>
Public Types inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
using	PropertyHolderImpl
	Typedef used to refer to this class from derived classes, as in.
Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using	base_class
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids
	take union of the ext_iids of all Interfaces...

Detailed Description

Definition at line 39 of file HiveSlimEventLoopMgr.cpp.

Constructor & Destructor Documentation

◆ ~HiveSlimEventLoopMgr()

HiveSlimEventLoopMgr::~HiveSlimEventLoopMgr ( )

override

Definition at line 131 of file HiveSlimEventLoopMgr.cpp.

131{ delete m_evtContext; }

HiveSlimEventLoopMgr::m_evtContext

IEvtSelector::Context * m_evtContext

Event Iterator.

Definition HiveSlimEventLoopMgr.cpp:55

Member Function Documentation

◆ clearWBSlot()

StatusCode HiveSlimEventLoopMgr::clearWBSlot ( int evtSlot )

protected

Clear a slot in the WB.

Definition at line 656 of file HiveSlimEventLoopMgr.cpp.

                                                          {
  StatusCode sc = m_whiteboard->clearStore( evtSlot );
  if ( !sc.isSuccess() ) warning() << "Clear of Event data store failed" << endmsg;
  return m_whiteboard->freeStore( evtSlot );
}

◆ createEventContext()

EventContext HiveSlimEventLoopMgr::createEventContext ( )

override

implementation of IEventProcessor::createEventContext()

Definition at line 581 of file HiveSlimEventLoopMgr.cpp.

                                                      {
  EventContext ctx{ m_nevt, m_whiteboard->allocateStore( m_nevt ) };
  ++m_nevt;
 
  StatusCode sc = m_whiteboard->selectStore( ctx.slot() );
  if ( sc.isFailure() ) {
    throw GaudiException( "Slot " + std::to_string( ctx.slot() ) + " could not be selected for the WhiteBoard", name(),
                          sc );
  }
  if ( declareEventRootAddress().isFailure() ) { // We ran out of events!
    // invalid context terminates the loop
    return EventContext{};
  }
  return ctx;
}

◆ declareEventRootAddress()

StatusCode HiveSlimEventLoopMgr::declareEventRootAddress ( )

protected

Declare the root address of the event.

Definition at line 559 of file HiveSlimEventLoopMgr.cpp.

                                                         {
  StatusCode sc;
  if ( m_evtContext ) {
    //---This is the "event iterator" context from EventSelector
    IOpaqueAddress* pAddr = nullptr;
    sc                    = getEventRoot( pAddr );
    if ( !sc.isSuccess() ) {
      info() << "No more events in event selection " << endmsg;
      return StatusCode::FAILURE;
    }
    sc = m_evtDataMgrSvc->setRoot( "/Event", pAddr );
    if ( !sc.isSuccess() ) { warning() << "Error declaring event root address." << endmsg; }
  } else {
    //---In case of no event selector----------------
    sc = m_evtDataMgrSvc->setRoot( "/Event", new DataObject() );
    if ( !sc.isSuccess() ) { warning() << "Error declaring event root DataObject" << endmsg; }
  }
  return StatusCode::SUCCESS;
}

◆ drainScheduler()

StatusCode HiveSlimEventLoopMgr::drainScheduler ( int & finishedEvents )

protected

Drain the scheduler from all actions that may be queued.

Definition at line 599 of file HiveSlimEventLoopMgr.cpp.

                                                                   {
 
  StatusCode sc( StatusCode::SUCCESS );
 
  // maybe we can do better
  std::vector<EventContext*> finishedEvtContexts;
 
  EventContext* finishedEvtContext( nullptr );
 
  // Here we wait not to loose cpu resources
  DEBUG_MSG << "Waiting for a context" << endmsg;
  sc = m_schedulerSvc->popFinishedEvent( finishedEvtContext );
 
  // We got past it: cache the pointer
  DEBUG_MSG << "Context " << ( sc.isSuccess() ? "obtained" : "not obtained: a problem in the scheduling?" ) << endmsg;
  finishedEvtContexts.push_back( finishedEvtContext );
 
  // Let's see if we can pop other event contexts
  while ( m_schedulerSvc->tryPopFinishedEvent( finishedEvtContext ).isSuccess() ) {
    finishedEvtContexts.push_back( finishedEvtContext );
  }
 
  // Now we flush them
  StatusCode finalSC;
  for ( auto& thisFinishedEvtContext : finishedEvtContexts ) {
    if ( !thisFinishedEvtContext ) {
      error() << "Detected nullptr ctxt before clearing WB!" << endmsg;
      finalSC = StatusCode::FAILURE;
      continue;
    }
    if ( m_algExecStateSvc->eventStatus( *thisFinishedEvtContext ) != EventStatus::Success ) {
      ( m_abortOnFailure ? fatal() : error() ) << "Failed event detected on " << thisFinishedEvtContext << endmsg;
      if ( m_abortOnFailure ) finalSC = StatusCode::FAILURE;
    }
    // shouldn't these incidents move to the forward scheduler?
    // If we want to consume incidents with an algorithm at the end of the graph
    // we need to add this to forward scheduler lambda action,
    // otherwise we have to do this serially on this thread!
    m_incidentSvc->fireIncident( Incident( name(), IncidentType::EndProcessing, *thisFinishedEvtContext ) );
    m_incidentSvc->fireIncident( Incident( name(), IncidentType::EndEvent, *thisFinishedEvtContext ) );
 
    DEBUG_MSG << "Clearing slot " << thisFinishedEvtContext->slot() << " (event " << thisFinishedEvtContext->evt()
              << ") of the whiteboard" << endmsg;
 
    StatusCode sc = clearWBSlot( thisFinishedEvtContext->slot() );
    if ( !sc.isSuccess() )
      error() << "Whiteboard slot " << thisFinishedEvtContext->slot() << " could not be properly cleared";
 
    delete thisFinishedEvtContext;
 
    ++finishedEvts;
  }
  return finalSC;
}

◆ executeEvent()

StatusCode HiveSlimEventLoopMgr::executeEvent ( EventContext && ctx )

override

implementation of IEventProcessor::executeEvent(EventContext&&)

Definition at line 362 of file HiveSlimEventLoopMgr.cpp.

                                                                  {
 
  m_algExecStateSvc->reset( ctx );
 
  // Check if event number is in blacklist
  if ( !m_blackList.empty() ) { // we are processing a finite number of events, use bitset blacklist
    if ( m_blackList.at( ctx.evt() ) ) {
      VERBOSE_MSG << "Event " << ctx.evt() << " on black list" << endmsg;
      m_whiteboard->freeStore( ctx.slot() ).ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
      return StatusCode::RECOVERABLE;
    }
  } else if ( std::binary_search( m_eventNumberBlacklist.begin(), m_eventNumberBlacklist.end(), ctx.evt() ) ) {
    VERBOSE_MSG << "Event " << ctx.evt() << " on black list" << endmsg;
    m_whiteboard->freeStore( ctx.slot() ).ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
    return StatusCode::RECOVERABLE;
  }
 
  VERBOSE_MSG << "Beginning to process event " << ctx.evt() << endmsg;
 
  // An incident may schedule a stop, in which case is better to exit before the actual execution.
  if ( m_scheduledStop ) {
    always() << "Terminating event processing loop due to a stop scheduled by an incident listener" << endmsg;
    return StatusCode::SUCCESS;
  }
 
  // Fire BeginEvent "Incident"
  m_incidentSvc->fireIncident( std::make_unique<Incident>( name(), IncidentType::BeginEvent, ctx ) );
 
  // Now add event to the scheduler
  VERBOSE_MSG << "Adding event " << ctx.evt() << ", slot " << ctx.slot() << " to the scheduler" << endmsg;
 
  m_incidentSvc->fireIncident( std::make_unique<Incident>( name(), IncidentType::BeginProcessing, ctx ) );
 
  StatusCode addEventStatus = m_schedulerSvc->pushNewEvent( new EventContext{ std::move( ctx ) } );
 
  // If this fails, we need to wait for something to complete
  if ( !addEventStatus.isSuccess() ) {
    fatal() << "An event processing slot should be now free in the scheduler, but it appears not to be the case."
            << endmsg;
  }
 
  return StatusCode::SUCCESS;
}

◆ executeRun()

StatusCode HiveSlimEventLoopMgr::executeRun ( int maxevt )

override

implementation of IEventProcessor::executeRun()

Definition at line 409 of file HiveSlimEventLoopMgr.cpp.

                                                        {
  StatusCode sc;
  bool       eventfailed = false;
 
  if ( maxevt > 0 ) { // finite number of events to process
    const unsigned int umaxevt = static_cast<unsigned int>( maxevt );
    m_blackList.assign( maxevt, 0 ); // all initialized to 0
    for ( unsigned int i = 0; i < m_eventNumberBlacklist.size() && m_eventNumberBlacklist[i] < umaxevt;
          ++i ) { // black list is sorted in init
      m_blackList[m_eventNumberBlacklist[i]] = 1;
    }
  }
 
  // Call now the nextEvent(...)
  sc = nextEvent( maxevt );
  if ( sc.isFailure() ) eventfailed = true;
 
  m_blackList.clear();
 
  return eventfailed ? StatusCode::FAILURE : StatusCode::SUCCESS;
}

◆ finalize()

StatusCode HiveSlimEventLoopMgr::finalize ( )

override

implementation of IService::finalize

Definition at line 300 of file HiveSlimEventLoopMgr.cpp.

                                          {
 
  StatusCode scRet;
  StatusCode sc = Service::finalize();
 
  if ( sc.isFailure() ) {
    scRet = StatusCode::FAILURE;
    error() << "Problems finalizing Service base class" << endmsg;
  }
 
  // Save Histograms Now
  if ( m_histoPersSvc ) {
    HistogramAgent agent;
    sc = m_histoDataMgrSvc->traverseTree( &agent );
    if ( sc.isSuccess() ) {
      const IDataSelector& objects = agent.selectedObjects();
      // skip /stat entry!
      sc = std::accumulate( begin( objects ), end( objects ), sc, [&]( StatusCode s, const auto& i ) {
        IOpaqueAddress* pAddr = nullptr;
        StatusCode      iret  = m_histoPersSvc->createRep( i, pAddr );
        if ( iret.isSuccess() ) i->registry()->setAddress( pAddr );
        return s.isFailure() ? s : iret;
      } );
      sc = std::accumulate( begin( objects ), end( objects ), sc, [&]( StatusCode s, const auto& i ) {
        IRegistry* reg  = i->registry();
        StatusCode iret = m_histoPersSvc->fillRepRefs( reg->address(), i );
        return s.isFailure() ? s : iret;
      } );
      if ( sc.isSuccess() ) {
        info() << "Histograms converted successfully according to request." << endmsg;
      } else {
        error() << "Error while saving Histograms." << endmsg;
      }
    } else {
      error() << "Error while traversing Histogram data store" << endmsg;
    }
  }
 
  scRet = sc;
 
  // Release event selector context
  if ( m_evtSelector && m_evtContext ) {
    m_evtSelector->releaseContext( m_evtContext ).ignore();
    m_evtContext = nullptr;
  }
 
  m_incidentSvc.reset();
 
  // Release all interfaces...
  m_histoDataMgrSvc.reset();
  m_histoPersSvc.reset();
 
  m_evtSelector.reset();
  m_whiteboard.reset();
  m_evtDataMgrSvc.reset();
 
  return scRet;
}

◆ getEventRoot()

StatusCode HiveSlimEventLoopMgr::getEventRoot ( IOpaqueAddress *& refpAddr )

Create event address using event selector.

Definition at line 543 of file HiveSlimEventLoopMgr.cpp.

                                                                         {
  refpAddr      = nullptr;
  StatusCode sc = m_evtSelector->next( *m_evtContext );
  if ( sc.isFailure() ) return sc;
  // Create root address and assign address to data service
  sc = m_evtSelector->createAddress( *m_evtContext, refpAddr );
  if ( sc.isSuccess() ) return sc;
  sc = m_evtSelector->next( *m_evtContext );
  if ( sc.isFailure() ) return sc;
  sc = m_evtSelector->createAddress( *m_evtContext, refpAddr );
  if ( !sc.isSuccess() ) warning() << "Error creating IOpaqueAddress." << endmsg;
  return sc;
}

◆ initialize()

StatusCode HiveSlimEventLoopMgr::initialize ( )

override

implementation of IService::initialize

Definition at line 136 of file HiveSlimEventLoopMgr.cpp.

                                            {
  StatusCode sc = Service::initialize();
  if ( !sc.isSuccess() ) {
    error() << "Failed to initialize Service Base class." << endmsg;
    return StatusCode::FAILURE;
  }
 
  // Get the references to the services that are needed by the ApplicationMgr itself
  m_incidentSvc = serviceLocator()->service( "IncidentSvc" );
  if ( !m_incidentSvc ) {
    fatal() << "Error retrieving IncidentSvc." << endmsg;
    return StatusCode::FAILURE;
  }
 
  // Setup access to event data services
  m_evtDataMgrSvc = serviceLocator()->service( "EventDataSvc" );
  if ( !m_evtDataMgrSvc ) {
    fatal() << "Error retrieving EventDataSvc interface IDataManagerSvc." << endmsg;
    return StatusCode::FAILURE;
  }
  m_whiteboard = serviceLocator()->service( "EventDataSvc" );
  if ( !m_whiteboard ) {
    fatal() << "Error retrieving EventDataSvc interface IHiveWhiteBoard." << endmsg;
    return StatusCode::FAILURE;
  }
  m_schedulerSvc = serviceLocator()->service( m_schedulerName );
  if ( !m_schedulerSvc ) {
    fatal() << "Error retrieving SchedulerSvc interface IScheduler." << endmsg;
    return StatusCode::FAILURE;
  }
  // Obtain the IProperty of the ApplicationMgr
  m_appMgrProperty = serviceLocator();
  if ( !m_appMgrProperty ) {
    fatal() << "IProperty interface not found in ApplicationMgr." << endmsg;
    return StatusCode::FAILURE;
  }
 
  // We do not expect a Event Selector necessarily being declared
  setProperty( m_appMgrProperty->getProperty( "EvtSel" ) ).ignore();
 
  if ( m_evtsel != "NONE" || m_evtsel.length() == 0 ) {
    m_evtSelector = serviceLocator()->service( "EventSelector" );
    if ( m_evtSelector ) {
      // Setup Event Selector
      sc = m_evtSelector->createContext( m_evtContext );
      if ( !sc.isSuccess() ) {
        fatal() << "Can not create the event selector Context." << endmsg;
        return sc;
      }
    } else {
      fatal() << "EventSelector not found." << endmsg;
      return sc;
    }
  } else {
    m_evtSelector = 0;
    m_evtContext  = 0;
    info() << "\"EventSelector\" disabled: no events will be processed from external input." << endmsg;
  }
 
  setProperty( m_appMgrProperty->getProperty( "HistogramPersistency" ) ).ignore();
  if ( m_histPersName != "NONE" && !m_histPersName.empty() ) {
    // Setup access to histogramming services
    m_histoDataMgrSvc = serviceLocator()->service( "HistogramDataSvc" );
    if ( !m_histoDataMgrSvc ) {
      fatal() << "Error retrieving HistogramDataSvc." << endmsg;
      return StatusCode::FAILURE;
    }
    // Setup histogram persistency
    m_histoPersSvc = serviceLocator()->service( "HistogramPersistencySvc" );
    if ( !m_histoPersSvc ) { warning() << "Histograms cannot not be saved - though required." << endmsg; }
  }
 
  // Setup algorithm resource pool
  m_algResourcePool = serviceLocator()->service( "AlgResourcePool" );
  if ( !m_algResourcePool ) {
    fatal() << "Error retrieving AlgResourcePool" << endmsg;
    return StatusCode::FAILURE;
  }
 
  m_algExecStateSvc = serviceLocator()->service( "AlgExecStateSvc" );
  if ( !m_algExecStateSvc ) {
    fatal() << "Error retrieving AlgExecStateSvc" << endmsg;
    return StatusCode::FAILURE;
  }
 
  std::sort( m_eventNumberBlacklist.begin(), m_eventNumberBlacklist.end() );
  info() << "Found " << m_eventNumberBlacklist.size() << " events in black list" << endmsg;
 
  return StatusCode::SUCCESS;
}

◆ nextEvent()

StatusCode HiveSlimEventLoopMgr::nextEvent ( int maxevt )

override

implementation of IService::nextEvent

Definition at line 451 of file HiveSlimEventLoopMgr.cpp.

                                                       {
 
  // Calculate runtime
  using Clock = std::chrono::high_resolution_clock;
 
  // Reset the application return code.
  Gaudi::setAppReturnCode( m_appMgrProperty, Gaudi::ReturnCode::Success, true ).ignore();
 
  int finishedEvts = 0;
  int createdEvts  = 0;
  int skippedEvts  = 0;
  info() << "Starting loop on events" << endmsg;
  // Loop until the finished events did not reach the maxevt number
  bool loop_ended = false;
  // Run the first event before spilling more than one
  bool newEvtAllowed = false;
 
  constexpr double oneOver1024 = 1. / 1024.;
 
  uint       iteration  = 0;
  auto       start_time = Clock::now();
  StatusCode finalSC;
  while ( !loop_ended && ( maxevt < 0 || ( finishedEvts + skippedEvts ) < maxevt ) ) {
    DEBUG_MSG << "work loop iteration " << iteration++ << endmsg;
    // if the created events did not reach maxevt, create an event
    if ( ( newEvtAllowed || createdEvts == 0 ) &&  // Launch the first event alone
         createdEvts >= 0 &&                       // The events are not finished with an unlimited number of events
         ( createdEvts < maxevt || maxevt < 0 ) && // The events are not finished with a limited number of events
         m_schedulerSvc->freeSlots() > 0 &&        // There are still free slots in the scheduler
         m_whiteboard->freeSlots() > 0 &&          // There are still free slots in the whiteboard
         !m_scheduledStop                          // There is not a scheduled stop
    ) {
 
      if ( 1 == createdEvts ) // reset counter to count from event 1
        start_time = Clock::now();
 
      DEBUG_MSG << "createdEvts: " << createdEvts << ", freeslots: " << m_schedulerSvc->freeSlots() << endmsg;
      //  DP remove to remove the syscalls...
      //      if (0!=createdEvts){
      //        info()   << "Event Number = " << createdEvts
      //                 << " WSS (MB) = " << System::mappedMemory(System::MemoryUnit::kByte)*oneOver1024
      //                << " Time (s) = " << secsFromStart(start_time) << endmsg;
      //        }
 
      // TODO can we adapt the interface of executeEvent for a nicer solution?
      StatusCode sc = StatusCode::RECOVERABLE;
      while ( !sc.isSuccess()                               // we haven't created an event yet
              && ( createdEvts < maxevt || maxevt < 0 ) ) { // redunant check for maxEvts, can we do better?
        {
          auto ctx = createEventContext();
          if ( !ctx.valid() ) {
            createdEvts = -1;
            break; // invalid context means end of loop
          }
          sc = executeEvent( std::move( ctx ) );
        }
        if ( sc.isRecoverable() ) { // we skipped an event
          ++skippedEvts;
        } else if ( sc.isFailure() ) { // exit immediatly
          return sc;
        } // else we have an success --> exit loop
        ++createdEvts;
      }
 
    } // end if condition createdEvts < maxevt
    else {
      // all the events were created but not all finished or the slots were
      // all busy: the scheduler should finish its job
 
      DEBUG_MSG << "Draining the scheduler" << endmsg;
 
      // Pull out of the scheduler the finished events
      if ( drainScheduler( finishedEvts ).isFailure() ) {
        loop_ended = true;
        finalSC    = StatusCode::FAILURE;
      }
      newEvtAllowed = true;
    }
  } // end main loop on finished events
  auto end_time = Clock::now();
 
  info() << "---> Loop Finished (skipping 1st evt) - "
         << " WSS " << System::mappedMemory( System::MemoryUnit::kByte ) * oneOver1024 << " total time "
         << std::chrono::duration_cast<std::chrono::nanoseconds>( end_time - start_time ).count() << endmsg;
  info() << skippedEvts << " events were SKIPed" << endmsg;
 
  return finalSC;
}

◆ reinitialize()

StatusCode HiveSlimEventLoopMgr::reinitialize ( )

override

implementation of IService::reinitialize

Definition at line 229 of file HiveSlimEventLoopMgr.cpp.

                                              {
 
  // Check to see whether a new Event Selector has been specified
  setProperty( m_appMgrProperty->getProperty( "EvtSel" ) ).ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
  if ( m_evtsel != "NONE" || m_evtsel.empty() ) {
    auto       theSvc    = serviceLocator()->service( "EventSelector" );
    auto       theEvtSel = theSvc.as<IEvtSelector>();
    StatusCode sc;
    if ( theEvtSel && ( theEvtSel.get() != m_evtSelector.get() ) ) {
      // Setup Event Selector
      if ( m_evtSelector.get() && m_evtContext ) {
        // Need to release context before switching to new event selector
        m_evtSelector->releaseContext( m_evtContext ).ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
        m_evtContext = nullptr;
      }
      m_evtSelector = theEvtSel;
      if ( theSvc->FSMState() == Gaudi::StateMachine::INITIALIZED ) {
        sc = theSvc->reinitialize();
        if ( !sc.isSuccess() ) {
          error() << "Failure Reinitializing EventSelector " << theSvc->name() << endmsg;
          return sc;
        }
      } else {
        sc = theSvc->sysInitialize();
        if ( !sc.isSuccess() ) {
          error() << "Failure Initializing EventSelector " << theSvc->name() << endmsg;
          return sc;
        }
      }
      sc = m_evtSelector->createContext( m_evtContext );
      if ( !sc.isSuccess() ) {
        error() << "Can not create Context " << theSvc->name() << endmsg;
        return sc;
      }
 
    } else if ( m_evtSelector ) {
      if ( m_evtContext ) {
        m_evtSelector->releaseContext( m_evtContext ).ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
        m_evtContext = nullptr;
      }
      sc = m_evtSelector->createContext( m_evtContext );
      if ( !sc.isSuccess() ) {
        error() << "Can not create Context " << theSvc->name() << endmsg;
        return sc;
      }
    }
  } else if ( m_evtSelector && m_evtContext ) {
    m_evtSelector->releaseContext( m_evtContext ).ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
    m_evtSelector = nullptr;
    m_evtContext  = nullptr;
  }
  return StatusCode::SUCCESS;
}

◆ stop()

StatusCode HiveSlimEventLoopMgr::stop ( )

override

implementation of IService::stop

Definition at line 287 of file HiveSlimEventLoopMgr.cpp.

                                      {
  if ( !m_endEventFired ) {
    // Fire pending EndEvent incident
    m_incidentSvc->fireIncident( Incident( name(), IncidentType::EndEvent ) );
    m_endEventFired = true;
  }
  return StatusCode::SUCCESS;
}

◆ stopRun()

StatusCode HiveSlimEventLoopMgr::stopRun ( )

override

implementation of IEventProcessor::stopRun()

Definition at line 434 of file HiveSlimEventLoopMgr.cpp.

                                         {
  // Set the application return code
  auto appmgr = serviceLocator()->as<IProperty>();
  if ( Gaudi::setAppReturnCode( appmgr, Gaudi::ReturnCode::ScheduledStop ).isFailure() ) {
    error() << "Could not set return code of the application (" << Gaudi::ReturnCode::ScheduledStop << ")" << endmsg;
  }
  m_scheduledStop = true;
  return StatusCode::SUCCESS;
}

Member Data Documentation

◆ m_abortEventListener

SmartIF<IIncidentListener> HiveSlimEventLoopMgr::m_abortEventListener

protected

Instance of the incident listener waiting for AbortEvent.

Definition at line 80 of file HiveSlimEventLoopMgr.cpp.

◆ m_abortOnFailure

Gaudi::Property<bool> HiveSlimEventLoopMgr::m_abortOnFailure { this, "AbortOnFailure", true, "Abort job on event failure" }

protected

Definition at line 48 of file HiveSlimEventLoopMgr.cpp.

48{ this, "AbortOnFailure", true, "Abort job on event failure" };

◆ m_algExecStateSvc

SmartIF<IAlgExecStateSvc> HiveSlimEventLoopMgr::m_algExecStateSvc

protected

Reference to the AlgExecStateSvc.

Definition at line 65 of file HiveSlimEventLoopMgr.cpp.

◆ m_algResourcePool

SmartIF<IAlgResourcePool> HiveSlimEventLoopMgr::m_algResourcePool

protected

Reference to the Algorithm resource pool.

Definition at line 63 of file HiveSlimEventLoopMgr.cpp.

◆ m_appMgrProperty

SmartIF<IProperty> HiveSlimEventLoopMgr::m_appMgrProperty

protected

Property interface of ApplicationMgr.

Definition at line 67 of file HiveSlimEventLoopMgr.cpp.

◆ m_blackList

std::vector<uint8_t> HiveSlimEventLoopMgr::m_blackList

protected

Definition at line 87 of file HiveSlimEventLoopMgr.cpp.

◆ m_endEventFired

bool HiveSlimEventLoopMgr::m_endEventFired = false

protected

Flag to avoid to fire the EnvEvent incident twice in a row (and also not before the first event).

Definition at line 70 of file HiveSlimEventLoopMgr.cpp.

◆ m_eventNumberBlacklist

Gaudi::Property<std::vector<unsigned int> > HiveSlimEventLoopMgr::m_eventNumberBlacklist { this, "EventNumberBlackList", {}, "" }

protected

Definition at line 47 of file HiveSlimEventLoopMgr.cpp.

47{ this, "EventNumberBlackList", {}, "" };

◆ m_evtContext

IEvtSelector::Context* HiveSlimEventLoopMgr::m_evtContext = nullptr

protected

Event Iterator.

Definition at line 55 of file HiveSlimEventLoopMgr.cpp.

◆ m_evtDataMgrSvc

SmartIF<IDataManagerSvc> HiveSlimEventLoopMgr::m_evtDataMgrSvc

protected

Reference to the Event Data Service's IDataManagerSvc interface.

Definition at line 51 of file HiveSlimEventLoopMgr.cpp.

◆ m_evtsel

Gaudi::Property<std::string> HiveSlimEventLoopMgr::m_evtsel { this, "EvtSel", "", "" }

protected

Definition at line 43 of file HiveSlimEventLoopMgr.cpp.

43{ this, "EvtSel", "", "" };

◆ m_evtSelector

SmartIF<IEvtSelector> HiveSlimEventLoopMgr::m_evtSelector

protected

Reference to the Event Selector.

Definition at line 53 of file HiveSlimEventLoopMgr.cpp.

◆ m_histoDataMgrSvc

SmartIF<IDataManagerSvc> HiveSlimEventLoopMgr::m_histoDataMgrSvc

protected

Reference to the Histogram Data Service.

Definition at line 57 of file HiveSlimEventLoopMgr.cpp.

◆ m_histoPersSvc

SmartIF<IConversionSvc> HiveSlimEventLoopMgr::m_histoPersSvc

protected

Reference to the Histogram Persistency Service.

Definition at line 59 of file HiveSlimEventLoopMgr.cpp.

◆ m_histPersName

Gaudi::Property<std::string> HiveSlimEventLoopMgr::m_histPersName { this, "HistogramPersistency", "", "" }

protected

Definition at line 42 of file HiveSlimEventLoopMgr.cpp.

42{ this, "HistogramPersistency", "", "" };

◆ m_incidentSvc

SmartIF<IIncidentSvc> HiveSlimEventLoopMgr::m_incidentSvc

protected

Reference to the incident service.

Definition at line 84 of file HiveSlimEventLoopMgr.cpp.

◆ m_nevt

EventContext::ContextEvt_t HiveSlimEventLoopMgr::m_nevt { 0 }

protected

Definition at line 89 of file HiveSlimEventLoopMgr.cpp.

89{ 0 };

◆ m_scheduledStop

bool HiveSlimEventLoopMgr::m_scheduledStop = false

protected

Scheduled stop of event processing.

Definition at line 82 of file HiveSlimEventLoopMgr.cpp.

◆ m_schedulerName

Gaudi::Property<std::string> HiveSlimEventLoopMgr::m_schedulerName

protected

Initial value:

{ this, "SchedulerName", "AvalancheSchedulerSvc",

"Name of the scheduler to be used" }

Definition at line 44 of file HiveSlimEventLoopMgr.cpp.

44 { this, "SchedulerName", "AvalancheSchedulerSvc",

45 "Name of the scheduler to be used" };

◆ m_schedulerSvc

SmartIF<IScheduler> HiveSlimEventLoopMgr::m_schedulerSvc

protected

A shortcut for the scheduler.

Definition at line 72 of file HiveSlimEventLoopMgr.cpp.

◆ m_whiteboard

SmartIF<IHiveWhiteBoard> HiveSlimEventLoopMgr::m_whiteboard

protected

Reference to the Whiteboard.

Definition at line 61 of file HiveSlimEventLoopMgr.cpp.

The documentation for this class was generated from the following file:

GaudiHive/src/HiveSlimEventLoopMgr.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~HiveSlimEventLoopMgr()

Member Function Documentation

◆ clearWBSlot()

◆ createEventContext()

◆ declareEventRootAddress()

◆ drainScheduler()

◆ executeEvent()

◆ executeRun()

◆ finalize()

◆ getEventRoot()

◆ initialize()

◆ nextEvent()

◆ reinitialize()

◆ stop()

◆ stopRun()

Member Data Documentation

◆ m_abortEventListener

◆ m_abortOnFailure

◆ m_algExecStateSvc

◆ m_algResourcePool

◆ m_appMgrProperty

◆ m_blackList

◆ m_endEventFired

◆ m_eventNumberBlacklist

◆ m_evtContext

◆ m_evtDataMgrSvc

◆ m_evtsel

◆ m_evtSelector

◆ m_histoDataMgrSvc

◆ m_histoPersSvc

◆ m_histPersName

◆ m_incidentSvc

◆ m_nevt

◆ m_scheduledStop

◆ m_schedulerName

◆ m_schedulerSvc

◆ m_whiteboard