#include <StateMachine.h>

Public Member Functions
void	clearConsumerRegistrations ()
void	clearInitMsgCollection ()
void	clearQueues ()
void	disableConsumerRegistration ()
void	enableConsumerRegistration ()
void	failEvent (const Fail &)
xdaq::ApplicationDescriptor *	getApplicationDescriptor () const
ConfigurationPtr	getConfiguration () const
DataManagerPtr	getDataManager () const
stor::DQMEventQueueCollectionPtr	getDQMEventQueueCollection () const
EventQueueCollectionPtr	getEventQueueCollection () const
std::string	getExternallyVisibleStateName ()
stor::InitMsgCollectionPtr	getInitMsgCollection () const
std::string	getReasonForFailed ()
stor::RegistrationCollectionPtr	getRegistrationCollection () const
stor::RegistrationQueuePtr	getRegistrationQueue () const
std::string	getStateName ()
StatisticsReporterPtr	getStatisticsReporter () const
void	moveToFailedState (xcept::Exception &e)
std::string	processEvent (const boost::statechart::event_base &)
void	resetStatistics ()
void	setAlarms ()
void	setExternallyVisibleStateName (const std::string &stateName)
void	setQueueSizes ()
	StateMachine (xdaq::Application *)
void	unconsumed_event (const boost::statechart::event_base &)
void	updateConfiguration ()
Private Attributes
xdaq::Application *	app_
std::string	appNameAndInstance_
ConfigurationPtr	configuration_
DataManagerPtr	dataManager_
stor::DQMEventQueueCollectionPtr	dqmEventQueueCollection_
boost::mutex	eventMutex_
EventQueueCollectionPtr	eventQueueCollection_
stor::InitMsgCollectionPtr	initMsgCollection_
xdaq2rc::RcmsStateNotifier	rcmsStateNotifier_
std::string	reasonForFailed_
stor::RegistrationCollectionPtr	registrationCollection_
stor::RegistrationQueuePtr	registrationQueue_
xdata::String	stateName_
StatisticsReporterPtr	statisticsReporter_

Detailed Description

Definition at line 68 of file StateMachine.h.

Constructor & Destructor Documentation

smproxy::StateMachine::StateMachine ( xdaq::Application * app )

Definition at line 20 of file StateMachine.cc.

References edm::errors::Configuration.

   :
  app_(app),
  rcmsStateNotifier_
  (
    app->getApplicationLogger(),
    app->getApplicationDescriptor(),
    app->getApplicationContext()
  ),
  reasonForFailed_(""),
  stateName_("Halted")
  {
    std::ostringstream oss;
    oss << app->getApplicationDescriptor()->getClassName()
      << app->getApplicationDescriptor()->getInstance();
    appNameAndInstance_ = oss.str();

    xdata::InfoSpace *is = app->getApplicationInfoSpace();
    is->fireItemAvailable("rcmsStateListener",
      rcmsStateNotifier_.getRcmsStateListenerParameter() );
    is->fireItemAvailable("foundRcmsStateListener",
      rcmsStateNotifier_.getFoundRcmsStateListenerParameter() );
    rcmsStateNotifier_.findRcmsStateListener();
    rcmsStateNotifier_.subscribeToChangesInRcmsStateListener(is);
  
    is->fireItemAvailable("stateName", &stateName_);

    initiate();

    configuration_.reset(new Configuration(
        app->getApplicationInfoSpace(), app->getApplicationDescriptor()->getInstance()
      ));

    registrationCollection_.reset( new stor::RegistrationCollection() );
    
    registrationQueue_.reset(new stor::RegistrationQueue(
        configuration_->getQueueConfigurationParams().registrationQueueSize_
      ));
    
    initMsgCollection_.reset(new stor::InitMsgCollection());

    statisticsReporter_.reset(new StatisticsReporter(app,
        configuration_->getQueueConfigurationParams()));

    eventQueueCollection_.reset(new EventQueueCollection(
        statisticsReporter_->getEventConsumerMonitorCollection()));
    
    dqmEventQueueCollection_.reset(new stor::DQMEventQueueCollection(
        statisticsReporter_->getDQMConsumerMonitorCollection()));
    
    dataManager_.reset(new DataManager(this));
  }

Member Function Documentation

void smproxy::StateMachine::clearConsumerRegistrations ( )

Definition at line 178 of file StateMachine.cc.

References dqmEventQueueCollection_, eventQueueCollection_, and registrationCollection_.

  {
    registrationCollection_->clearRegistrations();
    eventQueueCollection_->removeQueues();
    dqmEventQueueCollection_->removeQueues();
  }

void smproxy::StateMachine::clearInitMsgCollection ( )

Definition at line 166 of file StateMachine.cc.

References initMsgCollection_.

  {
    initMsgCollection_->clear();
  }

void smproxy::StateMachine::clearQueues ( )

Definition at line 200 of file StateMachine.cc.

References dqmEventQueueCollection_, eventQueueCollection_, and registrationQueue_.

  {
    registrationQueue_->clear();
    eventQueueCollection_->clearQueues();
    dqmEventQueueCollection_->clearQueues();
  }

void smproxy::StateMachine::disableConsumerRegistration ( )

Definition at line 193 of file StateMachine.cc.

References dataManager_, and registrationCollection_.

  {
    registrationCollection_->disableConsumerRegistration();
    dataManager_->stop();
  }

void smproxy::StateMachine::enableConsumerRegistration ( )

Definition at line 186 of file StateMachine.cc.

References configuration_, dataManager_, and registrationCollection_.

  {
    registrationCollection_->enableConsumerRegistration();
    dataManager_->start(configuration_->getDataRetrieverParams());
  }

void smproxy::StateMachine::failEvent ( const Fail & evt )

Definition at line 92 of file StateMachine.cc.

References app_, smproxy::Fail::getException(), smproxy::Fail::getReason(), smproxy::Fail::getTraceback(), rcmsStateNotifier_, reasonForFailed_, and stateName_.

  {
    stateName_ = "Failed";
    reasonForFailed_ = evt.getTraceback();
    
    LOG4CPLUS_FATAL(app_->getApplicationLogger(),
      "Failed: " << evt.getReason() << ". " << reasonForFailed_);
    
    rcmsStateNotifier_.stateChanged(stateName_, evt.getReason());
    
    app_->notifyQualified("fatal", evt.getException());
  }

xdaq::ApplicationDescriptor* smproxy::StateMachine::getApplicationDescriptor ( ) const [inline]

Definition at line 109 of file StateMachine.h.

References app_.

    { return app_->getApplicationDescriptor(); }

ConfigurationPtr smproxy::StateMachine::getConfiguration ( ) const [inline]

Definition at line 93 of file StateMachine.h.

References configuration_.

Referenced by smproxy::DQMArchiver::createRegistration().

    { return configuration_; }

DataManagerPtr smproxy::StateMachine::getDataManager ( ) const [inline]

Definition at line 95 of file StateMachine.h.

References dataManager_.

    { return dataManager_; }

stor::DQMEventQueueCollectionPtr smproxy::StateMachine::getDQMEventQueueCollection ( ) const [inline]

Definition at line 105 of file StateMachine.h.

References dqmEventQueueCollection_.

Referenced by smproxy::DataManager::checkForStaleConsumers().

    { return dqmEventQueueCollection_; }

EventQueueCollectionPtr smproxy::StateMachine::getEventQueueCollection ( ) const [inline]

Definition at line 103 of file StateMachine.h.

References eventQueueCollection_.

Referenced by smproxy::DataManager::checkForStaleConsumers().

    { return eventQueueCollection_; }

std::string smproxy::StateMachine::getExternallyVisibleStateName ( ) [inline]

Definition at line 90 of file StateMachine.h.

References stateName_.

    { return stateName_.toString(); }

stor::InitMsgCollectionPtr smproxy::StateMachine::getInitMsgCollection ( ) const [inline]

Definition at line 101 of file StateMachine.h.

References initMsgCollection_.

    { return initMsgCollection_; }

std::string smproxy::StateMachine::getReasonForFailed ( ) [inline]

Definition at line 86 of file StateMachine.h.

References reasonForFailed_.

    { return reasonForFailed_; }

stor::RegistrationCollectionPtr smproxy::StateMachine::getRegistrationCollection ( ) const [inline]

Definition at line 97 of file StateMachine.h.

References registrationCollection_.

Referenced by smproxy::DQMArchiver::createRegistration(), and smproxy::DQMArchiver::doIt().

    { return registrationCollection_; }

stor::RegistrationQueuePtr smproxy::StateMachine::getRegistrationQueue ( ) const [inline]

Definition at line 99 of file StateMachine.h.

References registrationQueue_.

    { return registrationQueue_; }

std::string smproxy::StateMachine::getStateName ( ) [inline]

Definition at line 88 of file StateMachine.h.

    { return state_cast<const StateName&>().stateName(); }

StatisticsReporterPtr smproxy::StateMachine::getStatisticsReporter ( ) const [inline]

Definition at line 107 of file StateMachine.h.

References statisticsReporter_.

    { return statisticsReporter_; }

void smproxy::StateMachine::moveToFailedState ( xcept::Exception & e ) [inline]

Definition at line 79 of file StateMachine.h.

References Fail, and processEvent().

Referenced by smproxy::DataManager::activity(), smproxy::DQMArchiver::activity(), updateConfiguration(), and smproxy::DataManager::watchDog().

    { processEvent( Fail(e) ); }

std::string smproxy::StateMachine::processEvent ( const boost::statechart::event_base & event )

Definition at line 75 of file StateMachine.cc.

References eventMutex_.

Referenced by moveToFailedState().

  {
    boost::mutex::scoped_lock sl(eventMutex_);
    process_event(event);
    return state_cast<const StateName&>().stateName();
  }

void smproxy::StateMachine::resetStatistics ( )

Definition at line 172 of file StateMachine.cc.

References statisticsReporter_.

  {
    statisticsReporter_->reset();
  }

void smproxy::StateMachine::setAlarms ( )

Definition at line 157 of file StateMachine.cc.

References configuration_, and statisticsReporter_.

  {
    AlarmParams alarmParams =
      configuration_->getAlarmParams();
    statisticsReporter_->getDataRetrieverMonitorCollection().
      configureAlarms(alarmParams);
  }

void smproxy::StateMachine::setExternallyVisibleStateName ( const std::string & stateName )

Definition at line 83 of file StateMachine.cc.

References appNameAndInstance_, rcmsStateNotifier_, and stateName_.

  {
    stateName_ = stateName;
    rcmsStateNotifier_.stateChanged(stateName,
      appNameAndInstance_ + " has reached target state " +
      stateName);
  }

void smproxy::StateMachine::setQueueSizes ( )

Definition at line 148 of file StateMachine.cc.

References configuration_, registrationQueue_, and smproxy::QueueConfigurationParams::registrationQueueSize_.

  {
    QueueConfigurationParams queueParams =
      configuration_->getQueueConfigurationParams();
    registrationQueue_->
      setCapacity(queueParams.registrationQueueSize_);
  }

void smproxy::StateMachine::unconsumed_event ( const boost::statechart::event_base & evt )

Definition at line 106 of file StateMachine.cc.

References app_, mergeVDriftHistosByStation::name, and stateName_.

  {
    LOG4CPLUS_ERROR(app_->getApplicationLogger(),
      "The " << typeid(evt).name()
      << " event is not supported from the "
      << stateName_.toString() << " state!");
  }

void smproxy::StateMachine::updateConfiguration ( )

Definition at line 115 of file StateMachine.cc.

References edm::errors::Configuration, configuration_, exception, Exception, and moveToFailedState().

  {
    std::string errorMsg = "Failed to update configuration parameters";
    try
    {
      configuration_->updateAllParams();
    }
    catch(xcept::Exception &e)
    {
      XCEPT_DECLARE_NESTED(exception::Configuration,
        sentinelException, errorMsg, e);
      moveToFailedState(sentinelException);
    }
    catch( std::exception &e )
    {
      errorMsg.append(": ");
      errorMsg.append( e.what() );
      
      XCEPT_DECLARE(exception::Configuration,
        sentinelException, errorMsg);
      moveToFailedState(sentinelException);
    }
    catch(...)
    {
      errorMsg.append(": unknown exception");
      
      XCEPT_DECLARE(exception::Configuration,
        sentinelException, errorMsg);
      moveToFailedState(sentinelException);
    }
  }