Definition at line 62 of file XrdProofSched.h.

Public Types
enum	SchedProtocol { kReschedule = 0 }

Public Member Functions
	XrdProofSched (const char name, XrdProofdManager mgr, XrdProofGroupMgr grpmgr, const char cfn, XrdOucError *e=0)
	Constructor.

virtual	~XrdProofSched ()

int	CheckFrequency () const

virtual int	Config (bool rcf=0)
	Configure this instance using the content of file 'cfn'.

virtual int	DoDirective (XrdProofdDirective d, char val, XrdOucStream *cfg, bool rcf)
	Update the priorities of the active sessions.

virtual void	DumpQueues (const char *prefix=0)
	Dump the content of the waiting sessions queue.

virtual int	Enqueue (XrdProofdProofServ xps, XrdProofQuery query)
	Queue a query in the session; if this is the first querym enqueue also the session.

virtual int	ExportInfo (XrdOucString &)
	Fill sbuf with some info about our current status.

virtual XrdProofdProofServ *	FirstSession ()
	Get first valid session.

virtual int	GetWorkers (XrdProofdProofServ xps, std::list< XrdProofWorker > , const char )
	Get a list of workers that can be used by session 'xps'.

virtual bool	IsValid ()

virtual int	MaxSessions () const

const char *	Name () const

XrdProofdPipe *	Pipe ()

virtual int	ProcessDirective (XrdProofdDirective d, char val, XrdOucStream *cfg, bool rcf)
	Update the priorities of the active sessions.

virtual int	Reschedule ()
	Consider starting some query from the queue.

virtual int	UpdateProperties ()

virtual int	UpdateSession (XrdProofdProofServ , int=0, void =0)

Public Member Functions inherited from XrdProofdConfig
	XrdProofdConfig (const char cfg=0, XrdSysError edest=0)
	Main constructor.

virtual	~XrdProofdConfig ()

const char *	CfgFile () const

void	SetCfgEDest (const char cfg, XrdSysError edest)
	Set config file and error handler.

Protected Member Functions
virtual int	DoDirectiveResource (char , XrdOucStream , bool)
	Process 'resource' directive.

virtual int	DoDirectiveSchedParam (char , XrdOucStream , bool)
	Process 'schedparam' directive.

virtual int	GetNumWorkers (XrdProofdProofServ *xps)
	Calculate the number of workers to be used given the state of the cluster.

virtual void	RegisterDirectives ()
	Register directives for configuration.

virtual void	ResetParameters ()
	Reset values for the configurable parameters.

Protected Member Functions inherited from XrdProofdConfig
int	ParseFile (bool rcf=false)
	Parse config file for the registered directives.

bool	ReadFile (bool update=true)
	Return true if the file has never been read or did change since last reading, false otherwise.

void	Register (const char dname, XrdProofdDirective d)

Protected Attributes
int	fCheckFrequency

XrdOucHash< XrdProofdDirective >	fConfigDirectives

XrdOucError *	fEDest

XrdProofGroupMgr *	fGrpMgr

int	fMaxRunning

int	fMaxSessions

XrdProofdManager *	fMgr

int	fMinForQuery

char	fName [17]

int	fNextWrk

double	fNodesFraction

int	fOptWrksPerUnit

XrdProofdPipe	fPipe

std::list< XrdProofdProofServ * >	fQueue

bool	fUseFIFO

bool	fValid

int	fWorkerMax

int	fWorkerSel

Protected Attributes inherited from XrdProofdConfig
XrdSysError *	fEDest

#include <XrdProofSched.h>

Inheritance diagram for XrdProofSched:

[legend]

Member Enumeration Documentation

◆ SchedProtocol

enum XrdProofSched::SchedProtocol

Enumerator
kReschedule

Definition at line 114 of file XrdProofSched.h.

Constructor & Destructor Documentation

◆ XrdProofSched()

XrdProofSched::XrdProofSched	(	const char *	name,
		XrdProofdManager *	mgr,
		XrdProofGroupMgr *	grpmgr,
		const char *	cfn,
		XrdOucError *	e = `0`
	)

Constructor.

Definition at line 166 of file XrdProofSched.cxx.

◆ ~XrdProofSched()

virtual XrdProofSched::~XrdProofSched ( )

inlinevirtual

Definition at line 68 of file XrdProofSched.h.

Member Function Documentation

◆ CheckFrequency()

int XrdProofSched::CheckFrequency ( ) const

inline

Definition at line 107 of file XrdProofSched.h.

◆ Config()

int XrdProofSched::Config ( bool rcf = 0 )

virtual

Configure this instance using the content of file 'cfn'.

Return 0 on success, -1 in case of failure (file does not exists or containing incoherent information).

Reimplemented from XrdProofdConfig.

Definition at line 238 of file XrdProofSched.cxx.

◆ DoDirective()

int XrdProofSched::DoDirective	(	XrdProofdDirective *	d,
		char *	val,
		XrdOucStream *	cfg,
		bool	rcf
	)

virtual

Update the priorities of the active sessions.

Reimplemented from XrdProofdConfig.

Definition at line 199 of file XrdProofSched.cxx.

◆ DoDirectiveResource()

int XrdProofSched::DoDirectiveResource	(	char *	val,
		XrdOucStream *	cfg,
		bool
	)

protectedvirtual

Process 'resource' directive.

Definition at line 882 of file XrdProofSched.cxx.

◆ DoDirectiveSchedParam()

int XrdProofSched::DoDirectiveSchedParam	(	char *	val,
		XrdOucStream *	cfg,
		bool
	)

protectedvirtual

Process 'schedparam' directive.

Definition at line 813 of file XrdProofSched.cxx.

◆ DumpQueues()

void XrdProofSched::DumpQueues ( const char * prefix = 0 )

virtual

Dump the content of the waiting sessions queue.

Definition at line 301 of file XrdProofSched.cxx.

◆ Enqueue()

int XrdProofSched::Enqueue	(	XrdProofdProofServ *	xps,
		XrdProofQuery *	query
	)

virtual

Queue a query in the session; if this is the first querym enqueue also the session.

Definition at line 278 of file XrdProofSched.cxx.

◆ ExportInfo()

int XrdProofSched::ExportInfo ( XrdOucString & sbuf )

virtual

Fill sbuf with some info about our current status.

Definition at line 760 of file XrdProofSched.cxx.

◆ FirstSession()

XrdProofdProofServ * XrdProofSched::FirstSession ( )

virtual

Get first valid session.

The dataset information can be used to assign workers.

Definition at line 322 of file XrdProofSched.cxx.

◆ GetNumWorkers()

int XrdProofSched::GetNumWorkers ( XrdProofdProofServ * xps )

protectedvirtual

Calculate the number of workers to be used given the state of the cluster.

Definition at line 341 of file XrdProofSched.cxx.

◆ GetWorkers()

int XrdProofSched::GetWorkers	(	XrdProofdProofServ *	xps,
		std::list< XrdProofWorker * > *	wrks,
		const char *	querytag
	)

virtual

Get a list of workers that can be used by session 'xps'.

The return code is: -1 Some failure occured; cannot continue 0 A new list has been assigned to the session 'xps' and returned in 'wrks' 1 The list currently assigned to the session is the one to be used 2 No worker could be assigned now; session should be queued

Definition at line 397 of file XrdProofSched.cxx.

◆ IsValid()

virtual bool XrdProofSched::IsValid ( )

inlinevirtual

Definition at line 96 of file XrdProofSched.h.

◆ MaxSessions()

virtual int XrdProofSched::MaxSessions ( ) const

inlinevirtual

Definition at line 89 of file XrdProofSched.h.

◆ Name()

const char * XrdProofSched::Name ( ) const

inline

Definition at line 98 of file XrdProofSched.h.

◆ Pipe()

XrdProofdPipe * XrdProofSched::Pipe ( )

inline

Definition at line 108 of file XrdProofSched.h.

◆ ProcessDirective()

int XrdProofSched::ProcessDirective	(	XrdProofdDirective *	d,
		char *	val,
		XrdOucStream *	cfg,
		bool	rcf
	)

virtual

Update the priorities of the active sessions.

Definition at line 792 of file XrdProofSched.cxx.

◆ RegisterDirectives()

void XrdProofSched::RegisterDirectives ( )

protectedvirtual

Register directives for configuration.

Reimplemented from XrdProofdConfig.

Definition at line 190 of file XrdProofSched.cxx.

◆ Reschedule()

int XrdProofSched::Reschedule ( )

virtual

Consider starting some query from the queue.

to be called after some resources are free (e.g. by a finished query) This method is doing the full transaction of finding the session to resume, assigning it workers and sending a resume message. In this way there is not possibility of interference with other GetWorkers return 0 in case of success and -1 in case of an error

Definition at line 706 of file XrdProofSched.cxx.

◆ ResetParameters()

void XrdProofSched::ResetParameters ( )

protectedvirtual

Reset values for the configurable parameters.

Definition at line 221 of file XrdProofSched.cxx.

◆ UpdateProperties()

virtual int XrdProofSched::UpdateProperties ( )

inlinevirtual

Definition at line 92 of file XrdProofSched.h.

◆ UpdateSession()

virtual int XrdProofSched::UpdateSession	(	XrdProofdProofServ *	,
		int	= `0`,
		void *	= `0`
	)

inlinevirtual

Definition at line 86 of file XrdProofSched.h.

Member Data Documentation

◆ fCheckFrequency

int XrdProofSched::fCheckFrequency

protected

Definition at line 136 of file XrdProofSched.h.

◆ fConfigDirectives

XrdOucHash<XrdProofdDirective> XrdProofSched::fConfigDirectives

protected

Definition at line 134 of file XrdProofSched.h.

◆ fEDest

XrdOucError* XrdProofSched::fEDest

protected

Definition at line 139 of file XrdProofSched.h.

◆ fGrpMgr

XrdProofGroupMgr* XrdProofSched::fGrpMgr

protected

Definition at line 120 of file XrdProofSched.h.

◆ fMaxRunning

int XrdProofSched::fMaxRunning

protected

Definition at line 123 of file XrdProofSched.h.

◆ fMaxSessions

int XrdProofSched::fMaxSessions

protected

Definition at line 122 of file XrdProofSched.h.

◆ fMgr

XrdProofdManager* XrdProofSched::fMgr

protected

Definition at line 119 of file XrdProofSched.h.

◆ fMinForQuery

int XrdProofSched::fMinForQuery

protected

Definition at line 128 of file XrdProofSched.h.

◆ fName

char XrdProofSched::fName[17]

protected

Definition at line 117 of file XrdProofSched.h.

◆ fNextWrk

int XrdProofSched::fNextWrk

protected

Definition at line 126 of file XrdProofSched.h.

◆ fNodesFraction

double XrdProofSched::fNodesFraction

protected

Definition at line 129 of file XrdProofSched.h.

◆ fOptWrksPerUnit

int XrdProofSched::fOptWrksPerUnit

protected

Definition at line 127 of file XrdProofSched.h.

◆ fPipe

XrdProofdPipe XrdProofSched::fPipe

protected

Definition at line 137 of file XrdProofSched.h.

◆ fQueue

std::list<XrdProofdProofServ *> XrdProofSched::fQueue

protected

Definition at line 132 of file XrdProofSched.h.

◆ fUseFIFO

bool XrdProofSched::fUseFIFO

protected

Definition at line 131 of file XrdProofSched.h.

◆ fValid

bool XrdProofSched::fValid

protected

Definition at line 118 of file XrdProofSched.h.

◆ fWorkerMax

int XrdProofSched::fWorkerMax

protected

Definition at line 124 of file XrdProofSched.h.

◆ fWorkerSel

int XrdProofSched::fWorkerSel

protected

Definition at line 125 of file XrdProofSched.h.

proof/proofd/inc/XrdProofSched.h

proof/proofd/src/XrdProofSched.cxx

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Member Enumeration Documentation

◆ SchedProtocol

Constructor & Destructor Documentation

◆ XrdProofSched()

◆ ~XrdProofSched()

Member Function Documentation

◆ CheckFrequency()

◆ Config()

◆ DoDirective()

◆ DoDirectiveResource()

◆ DoDirectiveSchedParam()

◆ DumpQueues()

◆ Enqueue()

◆ ExportInfo()

◆ FirstSession()

◆ GetNumWorkers()

◆ GetWorkers()

◆ IsValid()

◆ MaxSessions()

◆ Name()

◆ Pipe()

◆ ProcessDirective()

◆ RegisterDirectives()

◆ Reschedule()

◆ ResetParameters()

◆ UpdateProperties()

◆ UpdateSession()

Member Data Documentation

◆ fCheckFrequency

◆ fConfigDirectives

◆ fEDest

◆ fGrpMgr

◆ fMaxRunning

◆ fMaxSessions

◆ fMgr

◆ fMinForQuery

◆ fName

◆ fNextWrk

◆ fNodesFraction

◆ fOptWrksPerUnit

◆ fPipe

◆ fQueue

◆ fUseFIFO

◆ fValid

◆ fWorkerMax

◆ fWorkerSel