Service that monitor the time taken by processing of single events using a separate thread. More...

#include <src/component/StalledEventMonitor.h>

Inheritance diagram for StalledEventMonitor:

Collaboration diagram for StalledEventMonitor:

Public Member Functions
	StalledEventMonitor (const std::string &name, ISvcLocator *svcLoc)
	Constructor. More...

	~StalledEventMonitor () override=default
	Destructor. More...

StatusCode	initialize () override
	Initialization of the service. More...

StatusCode	start () override
	Start the watchdog thread (before entering the event loop). More...

void	handle (const Incident &) override
	Notify the watchdog thread for a new event. More...

StatusCode	stop () override
	Stop the watchdog thread (after the event loop). More...

StatusCode	finalize () override
	Finalization of the service. More...

Public Member Functions inherited from extends< Service, IIncidentListener >
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...

StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...

std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...

	~extends () override=default
	Virtual destructor. More...

Public Member Functions inherited from Service
const std::string &	name () const override
	Retrieve name of the service. More...

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. More...

StatusCode	sysStart () override
	Initialize Service. More...

StatusCode	sysStop () override
	Initialize Service. More...

StatusCode	sysFinalize () override
	Finalize Service. More...

StatusCode	sysReinitialize () override
	Re-initialize the Service. More...

StatusCode	sysRestart () override
	Re-initialize the Service. More...

StatusCode	setProperty (const Property &p) override

StatusCode	setProperty (const std::string &s) override

StatusCode	setProperty (const std::string &n, const std::string &v) override

StatusCode	getProperty (Property *p) const override

const Property &	getProperty (const std::string &name) const override

StatusCode	getProperty (const std::string &n, std::string &v) const override

const std::vector< Property * > &	getProperties () const override

bool	hasProperty (const std::string &name) const override

template<class TYPE >
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...

	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor. More...

SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator. More...

StatusCode	setProperties ()
	Method for setting declared properties to the values specified for the job. More...

template<class T >
StatusCode	service (const std::string &name, const T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist. More...

template<class T >
StatusCode	service (const std::string &name, T *&psvc, bool createIf=true) const

template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const

template<class T >
StatusCode	service (const std::string &svcType, const std::string &svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...

template<class T >
Property *	declareProperty (const std::string &name, T &property, const std::string &doc="none") const
	Declare the named property. More...

Property *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="") const
	Declare remote named properties. More...

template<class T >
StatusCode	declarePrivateTool (ToolHandle< T > &handle, std::string toolTypeAndName="", bool createIf=true)
	Declare used Private tool. More...

template<class T >
StatusCode	declarePublicTool (ToolHandle< T > &handle, std::string toolTypeAndName="", bool createIf=true)
	Declare used Public tool. More...

SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...

Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor. More...

SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service. More...

MsgStream &	msgStream () const
	Return an uninitialized MsgStream. More...

MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts. More...

MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS) More...

MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL) More...

MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING) More...

MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO) More...

MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG) More...

MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE) More...

MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO) More...

MSG::Level	msgLevel () const
	get the output level from the embedded MsgStream More...

MSG::Level	outputLevel () const __attribute__((deprecated))
	Backward compatibility function for getting the output level. More...

bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

Public Member Functions inherited from extend_interfaces< Interfaces...>
	~extend_interfaces () override=default
	Virtual destructor. More...

Private Attributes
unsigned int	m_eventTimeout
	Number of seconds allowed to process a single event. More...

int	m_maxTimeoutCount
	Number timeouts before aborting the execution (0 means never abort). More...

bool	m_stackTrace
	Whether to print a stack-trace on timeout. More...

std::unique_ptr< WatchdogThread >	m_watchdog
	Pointer to the watchdog thread that checks for the event timeout. More...

SmartIF< IIncidentSvc >	m_incidentSvc
	Pointer to the incident service. More...

Additional Inherited Members
Public Types inherited from extends< Service, IIncidentListener >
using	base_class = extends
	Typedef to this class. More...

using	extend_interfaces_base = extend_interfaces< Interfaces...>
	Typedef to the base of this class. More...

Public Types inherited from Service
typedef Gaudi::PluginService::Factory< IService , const std::string &, ISvcLocator >	Factory

Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using	base_class = CommonMessaging

Public Types inherited from extend_interfaces< Interfaces...>
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids...>::type
	take union of the ext_iids of all Interfaces... More...

Protected Member Functions inherited from Service
	~Service () override
	Standard Destructor. More...

int	outputLevel () const
	get the `Service's` output level More...

Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

Protected Attributes inherited from Service
IntegerProperty	m_outputLevel = MSG::NIL
	Service output level. More...

Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state. More...

Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state. More...

Detailed Description

Service that monitor the time taken by processing of single events using a separate thread.

See also: WatchdogThread

Author: Marco Clemencic

Date: Apr 19, 2010

Definition at line 29 of file StalledEventMonitor.h.

Constructor & Destructor Documentation

StalledEventMonitor::StalledEventMonitor	(	const std::string &	name,
		ISvcLocator *	svcLoc
	)

Constructor.

Definition at line 84 of file StalledEventMonitor.cpp.

                                                                                   :
   base_class(name, svcLoc) {
 
   declareProperty("EventTimeout", m_eventTimeout = 600,
                   "Number of seconds allowed to process a single event (0 to disable the check).");
 
   declareProperty("MaxTimeoutCount", m_maxTimeoutCount = 0,
                   "Number timeouts before aborting the execution (0 means never abort).");
 
   declareProperty("StackTrace", m_stackTrace = false,
                   "Whether to print the stack-trace on timeout.");
 }

StalledEventMonitor::~StalledEventMonitor ( )

overridedefault

Destructor.

Member Function Documentation

StatusCode StalledEventMonitor::finalize ( )

override

Finalization of the service.

Definition at line 146 of file StalledEventMonitor.cpp.

                                          {
   // destroy the watchdog thread (if any)
   m_watchdog.reset();
   // unregistering from the IncidentSvc
   m_incidentSvc->removeListener(this, IncidentType::BeginEvent);
   m_incidentSvc.reset();
   return base_class::finalize();
 }

void StalledEventMonitor::handle ( const Incident & )

override

Notify the watchdog thread for a new event.

Definition at line 135 of file StalledEventMonitor.cpp.

                                                   {
   if (m_watchdog) m_watchdog->ping();
 }

StatusCode StalledEventMonitor::initialize ( )

override

Initialization of the service.

Prepare the watchdog thread and configures it.

Definition at line 98 of file StalledEventMonitor.cpp.

                                            {
   StatusCode sc = base_class::initialize();
   if (sc.isFailure()) return sc;
 
 
   if (m_eventTimeout) {
     // create the watchdog thread
     m_watchdog.reset( new EventWatchdog(msgSvc(),
                                         "EventWatchdog",
                                         boost::posix_time::seconds(m_eventTimeout),
                                         m_stackTrace,
                                         m_maxTimeoutCount));
 
     // register to the incident service
     static const std::string serviceName = "IncidentSvc";
     m_incidentSvc = serviceLocator()->service(serviceName);
     if ( ! m_incidentSvc ) {
       error() << "Cannot retrieve " << serviceName << endmsg;
       return StatusCode::FAILURE;
     }
     debug() << "Register to the IncidentSvc" << endmsg;
     m_incidentSvc->addListener(this, IncidentType::BeginEvent);
   } else {
     warning() << "StalledEventMonitor/" << name()
        << " instantiated with 0 time-out: no monitoring performed" << endmsg;
   }
 
   return StatusCode::SUCCESS;
 }

StatusCode StalledEventMonitor::start ( )

override

Start the watchdog thread (before entering the event loop).

Definition at line 129 of file StalledEventMonitor.cpp.

                                       {
   if (m_watchdog) m_watchdog->start();
   return StatusCode::SUCCESS;
 }

StatusCode StalledEventMonitor::stop ( )

override

Stop the watchdog thread (after the event loop).

Definition at line 140 of file StalledEventMonitor.cpp.

                                      {
   if (m_watchdog) m_watchdog->stop();
   return StatusCode::SUCCESS;
 }

Member Data Documentation

unsigned int StalledEventMonitor::m_eventTimeout

private

Number of seconds allowed to process a single event.

Definition at line 56 of file StalledEventMonitor.h.

SmartIF<IIncidentSvc> StalledEventMonitor::m_incidentSvc

private

Pointer to the incident service.

Definition at line 68 of file StalledEventMonitor.h.

int StalledEventMonitor::m_maxTimeoutCount

private

Number timeouts before aborting the execution (0 means never abort).

Definition at line 59 of file StalledEventMonitor.h.

bool StalledEventMonitor::m_stackTrace

private

Whether to print a stack-trace on timeout.

Definition at line 62 of file StalledEventMonitor.h.

std::unique_ptr<WatchdogThread> StalledEventMonitor::m_watchdog

private

Pointer to the watchdog thread that checks for the event timeout.

Definition at line 65 of file StalledEventMonitor.h.

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

GaudiUtils/src/component/StalledEventMonitor.h
GaudiUtils/src/component/StalledEventMonitor.cpp

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation