A workflow management system (WMS) More...

#include <WMS.h>

Inheritance diagram for wrench::WMS:

Public Member Functions
void	addDynamicOptimization (std::unique_ptr< DynamicOptimization >)
	Add a dynamic optimization to the list of optimizations. Optimizations are executed in order of insertion. More...

void	addStaticOptimization (std::unique_ptr< StaticOptimization >)
	Add a static optimization to the list of optimizations. Optimizations are executed in order of insertion. More...

void	addWorkflow (Workflow *workflow, double start_time=0)
	Assign a workflow to the WMS. More...

PilotJobScheduler *	getPilotJobScheduler ()
	Get the WMS's pilot scheduler. More...

StandardJobScheduler *	getStandardJobScheduler ()
	Get the WMS's pilot scheduler. More...

Workflow *	getWorkflow ()
	Get the workflow that was assigned to the WMS. More...

Public Member Functions inherited from wrench::Service
void	assertServiceIsUp ()
	Throws an exception if the service is not up. More...

std::string	getHostname ()
	Get the name of the host on which the service is / will be running. More...

double	getMessagePayloadValue (std::string)
	Get a message payload of the Service as a double. More...

double	getNetworkTimeoutValue ()
	Returns the service's network timeout value. More...

bool	getPropertyValueAsBoolean (std::string)
	Get a property of the Service as a boolean. More...

double	getPropertyValueAsDouble (std::string)
	Get a property of the Service as a double. More...

std::string	getPropertyValueAsString (std::string)
	Get a property of the Service as a string. More...

unsigned long	getPropertyValueAsUnsignedLong (std::string)
	Get a property of the Service as an unsigned long. More...

bool	isUp ()
	Returns true if the service is UP, false otherwise. More...

void	resume ()
	Resume the service. More...

void	setNetworkTimeoutValue (double value)
	Sets the service's network timeout value. More...

void	setStateToDown ()
	Set the state of the service to DOWN.

void	start (std::shared_ptr< Service > this_service, bool daemonize, bool auto_restart)
	Start the service. More...

virtual void	stop ()
	Synchronously stop the service (does nothing if the service is already stopped) More...

void	suspend ()
	Suspend the service.

Public Member Functions inherited from wrench::S4U_Daemon
	S4U_Daemon (std::string hostname, std::string process_name_prefix, std::string mailbox_prefix)
	Constructor (daemon with a mailbox) More...

virtual	~S4U_Daemon ()

virtual void	cleanup (bool has_returned_from_main, int return_value)
	Cleanup function called when the daemon terminates (for whatever reason). The default behavior is to throw an exception if the host is off. This method should be overriden in a daemons implements some fault-tolerant behavior, or is naturally tolerant. More...

void	createLifeSaver (std::shared_ptr< S4U_Daemon > reference)
	Create a life saver for the daemon. More...

std::string	getName ()
	Retrieve the process name. More...

int	getReturnValue ()
	Returns the value returned by main() (if the daemon has returned from main) More...

S4U_Daemon::State	getState ()
	Get the daemon's state. More...

bool	hasReturnedFromMain ()
	Returns true if the daemon has returned from main() (i.e., not brutally killed) More...

bool	isDaemonized ()
	Return the daemonized status of the daemon. More...

bool	isSetToAutoRestart ()
	Return the auto-restart status of the daemon. More...

std::pair< bool, int >	join ()
	Join (i.e., wait for) the daemon. More...

void	resumeActor ()
	Resume the daemon/actor.

void	setupOnExitFunction ()
	Sets up the on_exit functionf for the actor.

void	startDaemon (bool _daemonized, bool _auto_restart)
	Start the daemon. More...

void	suspendActor ()
	Suspend the daemon/actor.

Protected Member Functions
	WMS (std::unique_ptr< StandardJobScheduler > standard_job_scheduler, std::unique_ptr< PilotJobScheduler > pilot_job_scheduler, const std::set< std::shared_ptr< ComputeService >> &compute_services, const std::set< std::shared_ptr< StorageService >> &storage_services, const std::set< std::shared_ptr< NetworkProximityService >> &network_proximity_services, std::shared_ptr< FileRegistryService > file_registry_service, const std::string &hostname, const std::string suffix)
	Constructor: a WMS with a workflow instance, a scheduler implementation, and a list of compute services. More...

void	checkDeferredStart ()
	Check whether the WMS has a deferred start simulation time (likely the first call in the main() routine of any WMS. More...

std::shared_ptr< BandwidthMeterService >	createBandwidthMeter (const std::map< std::string, double > &measurement_periods)
	Instantiate and start a bandwidth meter. More...

std::shared_ptr< BandwidthMeterService >	createBandwidthMeter (const std::vector< std::string > &linknames, double measurement_period)
	Instantiate and start a bandwidth meter. More...

std::shared_ptr< DataMovementManager >	createDataMovementManager ()
	Instantiate and start a data movement manager. More...

std::shared_ptr< EnergyMeterService >	createEnergyMeter (const std::map< std::string, double > &measurement_periods)
	Instantiate and start an energy meter. More...

std::shared_ptr< EnergyMeterService >	createEnergyMeter (const std::vector< std::string > &hostnames, double measurement_period)
	Instantiate and start an energy meter. More...

std::shared_ptr< JobManager >	createJobManager ()
	Instantiate and start a job manager. More...

template<class T >
std::set< std::shared_ptr< T > >	getAvailableComputeServices ()
	Obtain the list of compute services available to the WMS. More...

std::shared_ptr< FileRegistryService >	getAvailableFileRegistryService ()
	Obtain the file registry service available to the WMS. More...

std::set< std::shared_ptr< NetworkProximityService > >	getAvailableNetworkProximityServices ()
	Obtain the list of network proximity services available to the WMS. More...

std::set< std::shared_ptr< StorageService > >	getAvailableStorageServices ()
	Obtain the list of storage services available to the WMS. More...

virtual void	processEventFileCopyCompletion (std::shared_ptr< FileCopyCompletedEvent >)
	Process a file copy completion event. More...

virtual void	processEventFileCopyFailure (std::shared_ptr< FileCopyFailedEvent >)
	Process a file copy failure event. More...

virtual void	processEventPilotJobExpiration (std::shared_ptr< PilotJobExpiredEvent >)
	Process a pilot job expiration event. More...

virtual void	processEventPilotJobStart (std::shared_ptr< PilotJobStartedEvent >)
	Process a pilot job start event. More...

virtual void	processEventStandardJobCompletion (std::shared_ptr< StandardJobCompletedEvent >)
	Process a standard job completion event. More...

virtual void	processEventStandardJobFailure (std::shared_ptr< StandardJobFailedEvent >)
	Process a standard job failure event. More...

virtual void	processEventTimer (std::shared_ptr< TimerEvent >)
	Process a timer event. More...

void	runDynamicOptimizations ()
	Perform dynamic optimizations. Optimizations are executed in order of insertion.

void	runStaticOptimizations ()
	Perform static optimizations. Optimizations are executed in order of insertion.

void	setTimer (double date, std::string message)
	Sets a timer (which, when it goes off, will generate a TimerEvent) More...

void	waitForAndProcessNextEvent ()
	Wait for a workflow execution event and then call the associated function to process that event.

bool	waitForAndProcessNextEvent (double timeout)
	Wait for a workflow execution event and then call the associated function to process that event. More...

std::shared_ptr< WorkflowExecutionEvent >	waitForNextEvent ()
	Wait for a workflow execution event. More...

std::shared_ptr< WorkflowExecutionEvent >	waitForNextEvent (double timeout)
	Wait for a workflow execution event. More...

Protected Member Functions inherited from wrench::Service
	Service (std::string hostname, std::string process_name_prefix, std::string mailbox_name_prefix)
	Constructor. More...

	~Service ()
	Destructor.

template<class T >
std::shared_ptr< T >	getSharedPtr ()
	Method to retrieve the shared_ptr to a service. More...

void	serviceSanityCheck ()
	Check whether the service is properly configured and running. More...

void	setMessagePayload (std::string, double)
	Set a message payload of the Service. More...

void	setMessagePayloads (std::map< std::string, double > default_messagepayload_values, std::map< std::string, double > overriden_messagepayload_values)
	Set default and user-defined message payloads. More...

void	setProperties (std::map< std::string, std::string > default_property_values, std::map< std::string, std::string > overriden_property_values)
	Set default and user-defined properties. More...

void	setProperty (std::string, std::string)
	Set a property of the Service. More...

Protected Member Functions inherited from wrench::S4U_Daemon
void	acquireDaemonLock ()
	Lock the daemon's lock.

void	killActor ()
	Kill the daemon/actor (does nothing if already dead) More...

void	releaseDaemonLock ()
	Unlock the daemon's lock.

void	runMainMethod ()
	Method that run's the user-defined main method (that's called by the S4U actor class)

Additional Inherited Members
Public Types inherited from wrench::S4U_Daemon
enum	State { UP, DOWN, SUSPENDED }
	Daemon states. More...

Static Public Member Functions inherited from wrench::Service
static void	cleanupTrackedServices ()
	Go through the tracked services and remove all entries with a refcount of 1!

static void	clearTrackedServices ()
	Forget all tracked services.

static void	increaseNumCompletedServicesCount ()
	Increase the completed service count.

Public Attributes inherited from wrench::S4U_Daemon
std::string	hostname
	The name of the host on which the daemon is running.

std::string	initial_mailbox_name
	The initial name of the daemon's mailbox.

LifeSaver *	life_saver = nullptr
	The daemon's life saver.

std::string	mailbox_name
	The current name of the daemon's mailbox.

std::string	process_name
	The name of the daemon.

Simulation *	simulation
	a pointer to the simulation object

Static Protected Member Functions inherited from wrench::Service
static void	assertServiceIsUp (std::shared_ptr< Service > s)
	Assert for the service being up. More...

template<class T >
static std::shared_ptr< T >	getServiceByName (std::string name)
	Method to retrieve the shared_ptr to a service based on the service's name (not efficient) More...

Protected Attributes inherited from wrench::Service
std::map< std::string, double >	messagepayload_list
	The service's messagepayload list.

std::string	name
	The service's name.

double	network_timeout = 30.0
	The time (in seconds) after which a service that doesn't send back a reply (control) message causes a NetworkTimeOut exception. (default: 30 second; if <0 never timeout)

std::map< std::string, std::string >	property_list
	The service's property list.

Protected Attributes inherited from wrench::S4U_Daemon
unsigned int	num_starts = 0
	The number of time that this daemon has started (i.e., 1 + number of restarts)

State	state
	The service's state.

Detailed Description

A workflow management system (WMS)

Constructor & Destructor Documentation

◆ WMS()

wrench::WMS::WMS	(	std::unique_ptr< StandardJobScheduler >	standard_job_scheduler,
		std::unique_ptr< PilotJobScheduler >	pilot_job_scheduler,
		const std::set< std::shared_ptr< ComputeService >> &	compute_services,
		const std::set< std::shared_ptr< StorageService >> &	storage_services,
		const std::set< std::shared_ptr< NetworkProximityService >> &	network_proximity_services,
		std::shared_ptr< FileRegistryService >	file_registry_service,
		const std::string &	hostname,
		const std::string	suffix
	)

protected

Constructor: a WMS with a workflow instance, a scheduler implementation, and a list of compute services.

Parameters

standard_job_scheduler	a standard job scheduler implementation (if nullptr then none is used)
pilot_job_scheduler	a pilot job scheduler implementation (if nullptr then none is used)
compute_services	a set of compute services available to run jobs (if {} then none is available)
storage_services	a set of storage services available to the WMS (if {} then none is available)
network_proximity_services	a set of network proximity services available to the WMS (if {} then none is available)
file_registry_service	a file registry services available to the WMS (if nullptr then none is available)
hostname	the name of the host on which to run the WMS
suffix	a string to append to the WMS process name (useful for debug output)

Exceptions

std::invalid_argument

Member Function Documentation

◆ addDynamicOptimization()

void wrench::WMS::addDynamicOptimization ( std::unique_ptr< DynamicOptimization > optimization )

Add a dynamic optimization to the list of optimizations. Optimizations are executed in order of insertion.

Parameters

optimization a dynamic optimization implementation

◆ addStaticOptimization()

void wrench::WMS::addStaticOptimization ( std::unique_ptr< StaticOptimization > optimization )

Add a static optimization to the list of optimizations. Optimizations are executed in order of insertion.

Parameters

optimization a static optimization implementation

◆ addWorkflow()

void wrench::WMS::addWorkflow	(	Workflow *	workflow,
		double	start_time = `0`
	)

Assign a workflow to the WMS.

Parameters

workflow	a workflow to execute
start_time	the simulated time when the WMS should start executed the workflow (0 if not specified)

Exceptions

std::invalid_argument

Set the simulation pointer member variable of the workflow so that the workflow tasks have access to it for creating SimulationTimestamps

◆ checkDeferredStart()

void wrench::WMS::checkDeferredStart ( )

protected

Check whether the WMS has a deferred start simulation time (likely the first call in the main() routine of any WMS.

Exceptions

std::runtime_error

◆ createBandwidthMeter() [1/2]

std::shared_ptr< BandwidthMeterService > wrench::WMS::createBandwidthMeter ( const std::map< std::string, double > & measurement_periods )

protected

Instantiate and start a bandwidth meter.

Parameters

measurement_periods the measurement period for each metered link

Returns: a link meter

◆ createBandwidthMeter() [2/2]

std::shared_ptr< BandwidthMeterService > wrench::WMS::createBandwidthMeter	(	const std::vector< std::string > &	linknames,
		double	measurement_period
	)

protected

Instantiate and start a bandwidth meter.

Parameters

linknames	the list of metered links, as linknames
measurement_period	the measurement period

Returns: a link meter

◆ createDataMovementManager()

std::shared_ptr< DataMovementManager > wrench::WMS::createDataMovementManager ( )

protected

Instantiate and start a data movement manager.

Returns: a data movement manager

◆ createEnergyMeter() [1/2]

std::shared_ptr< EnergyMeterService > wrench::WMS::createEnergyMeter ( const std::map< std::string, double > & measurement_periods )

protected

Instantiate and start an energy meter.

Parameters

measurement_periods the measurement period for each metered host

Returns: an energy meter

◆ createEnergyMeter() [2/2]

std::shared_ptr< EnergyMeterService > wrench::WMS::createEnergyMeter	(	const std::vector< std::string > &	hostnames,
		double	measurement_period
	)

protected

Instantiate and start an energy meter.

Parameters

hostnames	the list of metered hosts, as hostnames
measurement_period	the measurement period

Returns: an energy meter

◆ createJobManager()

std::shared_ptr< JobManager > wrench::WMS::createJobManager ( )

protected

Instantiate and start a job manager.

Returns: a job manager

◆ getAvailableComputeServices()

template<class T >

std::set<std::shared_ptr<T> > wrench::WMS::getAvailableComputeServices ( )

inlineprotected

Obtain the list of compute services available to the WMS.

Template Parameters

T	ComputeService, or any if derived classes (but for CloudComputeService)

Returns: a set of compute services

◆ getAvailableFileRegistryService()

std::shared_ptr< FileRegistryService > wrench::WMS::getAvailableFileRegistryService ( )

protected

Obtain the file registry service available to the WMS.

Returns: a file registry services

◆ getAvailableNetworkProximityServices()

std::set< std::shared_ptr< NetworkProximityService > > wrench::WMS::getAvailableNetworkProximityServices ( )

protected

Obtain the list of network proximity services available to the WMS.

Returns: a set of network proximity services

◆ getAvailableStorageServices()

std::set< std::shared_ptr< StorageService > > wrench::WMS::getAvailableStorageServices ( )

protected

Obtain the list of storage services available to the WMS.

Returns: a set of storage services

◆ getPilotJobScheduler()

PilotJobScheduler * wrench::WMS::getPilotJobScheduler ( )

Get the WMS's pilot scheduler.

Returns: the pilot scheduler, or nullptr if none

◆ getStandardJobScheduler()

StandardJobScheduler * wrench::WMS::getStandardJobScheduler ( )

Get the WMS's pilot scheduler.

Returns: the pilot scheduler, or nullptr if none

◆ getWorkflow()

Workflow * wrench::WMS::getWorkflow ( )

Get the workflow that was assigned to the WMS.

Returns: a workflow

◆ processEventFileCopyCompletion()

void wrench::WMS::processEventFileCopyCompletion ( std::shared_ptr< FileCopyCompletedEvent > event )

protectedvirtual

Process a file copy completion event.

Parameters

event a FileCopyCompletedEvent

◆ processEventFileCopyFailure()

void wrench::WMS::processEventFileCopyFailure ( std::shared_ptr< FileCopyFailedEvent > event )

protectedvirtual

Process a file copy failure event.

Parameters

event a FileCopyFailedEvent

◆ processEventPilotJobExpiration()

void wrench::WMS::processEventPilotJobExpiration ( std::shared_ptr< PilotJobExpiredEvent > event )

protectedvirtual

Process a pilot job expiration event.

Parameters

event a PilotJobExpiredEvent

◆ processEventPilotJobStart()

void wrench::WMS::processEventPilotJobStart ( std::shared_ptr< PilotJobStartedEvent > event )

protectedvirtual

Process a pilot job start event.

Parameters

event a PilotJobStartedEvent

◆ processEventStandardJobCompletion()

void wrench::WMS::processEventStandardJobCompletion ( std::shared_ptr< StandardJobCompletedEvent > event )

protectedvirtual

Process a standard job completion event.

Parameters

event a StandardJobCompletedEvent

◆ processEventStandardJobFailure()

void wrench::WMS::processEventStandardJobFailure ( std::shared_ptr< StandardJobFailedEvent > event )

protectedvirtual

Process a standard job failure event.

Parameters

event a StandardJobFailedEvent

◆ processEventTimer()

void wrench::WMS::processEventTimer ( std::shared_ptr< TimerEvent > event )

protectedvirtual

Process a timer event.

Parameters

event a TimerEvent

◆ setTimer()

void wrench::WMS::setTimer	(	double	date,
		std::string	message
	)

protected

Sets a timer (which, when it goes off, will generate a TimerEvent)

Parameters

date	the date at which the timer should go off
message	a string message that will be in the generated TimerEvent

◆ waitForAndProcessNextEvent()

bool wrench::WMS::waitForAndProcessNextEvent ( double timeout )

protected

Wait for a workflow execution event and then call the associated function to process that event.

Parameters

timeout a timeout value in seconds

Returns: false if a timeout occurred (in which case no event was received/processed)

Exceptions

wrench::WorkflowExecutionException

◆ waitForNextEvent() [1/2]

std::shared_ptr< WorkflowExecutionEvent > wrench::WMS::waitForNextEvent ( )

protected

Wait for a workflow execution event.

Returns: the event

◆ waitForNextEvent() [2/2]

std::shared_ptr< WorkflowExecutionEvent > wrench::WMS::waitForNextEvent ( double timeout )

protected

Wait for a workflow execution event.

Parameters

timeout a timeout value in seconds

Returns: the event

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

WMS.h
WMS.cpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ WMS()

Member Function Documentation

◆ addDynamicOptimization()

◆ addStaticOptimization()

◆ addWorkflow()

◆ checkDeferredStart()

◆ createBandwidthMeter() [1/2]

◆ createBandwidthMeter() [2/2]

◆ createDataMovementManager()

◆ createEnergyMeter() [1/2]

◆ createEnergyMeter() [2/2]

◆ createJobManager()

◆ getAvailableComputeServices()

◆ getAvailableFileRegistryService()

◆ getAvailableNetworkProximityServices()

◆ getAvailableStorageServices()

◆ getPilotJobScheduler()

◆ getStandardJobScheduler()

◆ getWorkflow()

◆ processEventFileCopyCompletion()

◆ processEventFileCopyFailure()

◆ processEventPilotJobExpiration()

◆ processEventPilotJobStart()

◆ processEventStandardJobCompletion()

◆ processEventStandardJobFailure()

◆ processEventTimer()

◆ setTimer()

◆ waitForAndProcessNextEvent()

◆ waitForNextEvent() [1/2]

◆ waitForNextEvent() [2/2]