XrdClientReadCache Class Reference

Definition at line 161 of file XrdClientReadCache.hh.

Public Types
enum	{ kRmBlk_LRU = 0 , kRmBlk_LeastOffs , kRmBlk_FIFO }

Public Member Functions
	XrdClientReadCache ()
	~XrdClientReadCache ()
void *	FindBlk (long long begin_offs, long long end_offs)
long	GetDataIfPresent (const void *buffer, long long begin_offs, long long end_offs, bool PerfCalc, XrdClientIntvList &missingblks, long &outstandingblks)
void	GetInfo (int &size, long long &bytessubmitted, long long &byteshit, long long &misscount, float &missrate, long long &readreqcnt, float &bytesusefulness)
long long	GetTotalByteCount ()
void	PrintCache ()
void	PrintPerfCounters ()
void	PutPlaceholder (long long begin_offs, long long end_offs)
void	RemoveItems (bool leavepinned=true)
void	RemoveItems (long long begin_offs, long long end_offs, bool remove_overlapped=false)
void	RemovePlaceholders ()
void	SetBlkRemovalPolicy (int p)
void	SetSize (int sz)
bool	SubmitRawData (const void *buffer, long long begin_offs, long long end_offs, bool pinned=false)
void	SubmitXMessage (XrdClientMessage *xmsg, long long begin_offs, long long end_offs)
void	UnPinCacheBlk (long long begin_offs, long long end_offs)
bool	WillFit (long long bc)

Private Member Functions
int	FindInsertionApprox (long long begin_offs)
int	FindInsertionApprox_rec (int startidx, int endidx, long long begin_offs)
long long	GetTimestampTick ()
bool	MakeFreeSpace (long long bytes)
bool	RemoveFirstItem ()
bool	RemoveItem ()
bool	RemoveLRUItem ()
void	UpdatePerfCounters ()

Private Attributes
int	fBlkRemPolicy
long long	fBytesHit
long long	fBytesSubmitted
float	fBytesUsefulness
ItemVect	fItems
long long	fMaxCacheSize
long long	fMissCount
float	fMissRate
XrdSysRecMutex	fMutex
long long	fReadsCounter
long long	fTimestampTickCounter
long long	fTotalByteCount

#include </home/sftnight/build/workspace/root-makedoc-v630/rootspi/rdoc/src/v6-30-00-patches/proof/xrdinc/XrdClient/XrdClientReadCache.hh>

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
kRmBlk_LRU
kRmBlk_LeastOffs
kRmBlk_FIFO

Definition at line 197 of file XrdClientReadCache.hh.

Constructor & Destructor Documentation

XrdClientReadCache()

XrdClientReadCache::XrdClientReadCache

(

)

~XrdClientReadCache()

XrdClientReadCache::~XrdClientReadCache

(

)

Member Function Documentation

FindBlk()

void * XrdClientReadCache::FindBlk	(	long long	begin_offs,
		long long	end_offs
	)

FindInsertionApprox()

int XrdClientReadCache::FindInsertionApprox ( long long  begin_offs )

private

FindInsertionApprox_rec()

int XrdClientReadCache::FindInsertionApprox_rec ( int  startidx, int  endidx, long long  begin_offs  )

private

GetDataIfPresent()

long XrdClientReadCache::GetDataIfPresent	(	const void *	buffer,
		long long	begin_offs,
		long long	end_offs,
		bool	PerfCalc,
		XrdClientIntvList &	missingblks,
		long &	outstandingblks
	)

GetInfo()

void XrdClientReadCache::GetInfo	(	int &	size,
		long long &	bytessubmitted,
		long long &	byteshit,
		long long &	misscount,
		float &	missrate,
		long long &	readreqcnt,
		float &	bytesusefulness
	)

GetTimestampTick()

long long XrdClientReadCache::GetTimestampTick ( )

private

GetTotalByteCount()

long long XrdClientReadCache::GetTotalByteCount ( )

inline

Definition at line 234 of file XrdClientReadCache.hh.

MakeFreeSpace()

bool XrdClientReadCache::MakeFreeSpace ( long long  bytes )

private

PrintCache()

void XrdClientReadCache::PrintCache

(

)

PrintPerfCounters()

void XrdClientReadCache::PrintPerfCounters ( )

inline

Definition at line 241 of file XrdClientReadCache.hh.

PutPlaceholder()

void XrdClientReadCache::PutPlaceholder	(	long long	begin_offs,
		long long	end_offs
	)

RemoveFirstItem()

bool XrdClientReadCache::RemoveFirstItem ( )

private

RemoveItem()

bool XrdClientReadCache::RemoveItem ( )

private

RemoveItems() [1/2]

void XrdClientReadCache::RemoveItems

(

bool

leavepinned = true

)

RemoveItems() [2/2]

void XrdClientReadCache::RemoveItems	(	long long	begin_offs,
		long long	end_offs,
		bool	remove_overlapped = false
	)

RemoveLRUItem()

bool XrdClientReadCache::RemoveLRUItem ( )

private

RemovePlaceholders()

void XrdClientReadCache::RemovePlaceholders

(

)

SetBlkRemovalPolicy()

void XrdClientReadCache::SetBlkRemovalPolicy ( int  p )

inline

Definition at line 271 of file XrdClientReadCache.hh.

SetSize()

void XrdClientReadCache::SetSize ( int  sz )

inline

Definition at line 267 of file XrdClientReadCache.hh.

SubmitRawData()

bool XrdClientReadCache::SubmitRawData	(	const void *	buffer,
		long long	begin_offs,
		long long	end_offs,
		bool	pinned = false
	)

SubmitXMessage()

void XrdClientReadCache::SubmitXMessage	(	XrdClientMessage *	xmsg,
		long long	begin_offs,
		long long	end_offs
	)

UnPinCacheBlk()

void XrdClientReadCache::UnPinCacheBlk	(	long long	begin_offs,
		long long	end_offs
	)

UpdatePerfCounters()

void XrdClientReadCache::UpdatePerfCounters ( )

inlineprivate

Definition at line 184 of file XrdClientReadCache.hh.

WillFit()

bool XrdClientReadCache::WillFit ( long long  bc )

inline

Definition at line 279 of file XrdClientReadCache.hh.

Member Data Documentation

fBlkRemPolicy

int XrdClientReadCache::fBlkRemPolicy

private

Definition at line 173 of file XrdClientReadCache.hh.

fBytesHit

long long XrdClientReadCache::fBytesHit

private

Definition at line 164 of file XrdClientReadCache.hh.

fBytesSubmitted

long long XrdClientReadCache::fBytesSubmitted

private

Definition at line 165 of file XrdClientReadCache.hh.

fBytesUsefulness

float XrdClientReadCache::fBytesUsefulness

private

Definition at line 166 of file XrdClientReadCache.hh.

fItems

ItemVect XrdClientReadCache::fItems

private

Definition at line 167 of file XrdClientReadCache.hh.

fMaxCacheSize

long long XrdClientReadCache::fMaxCacheSize

private

Definition at line 168 of file XrdClientReadCache.hh.

fMissCount

long long XrdClientReadCache::fMissCount

private

Definition at line 169 of file XrdClientReadCache.hh.

fMissRate

float XrdClientReadCache::fMissRate

private

Definition at line 170 of file XrdClientReadCache.hh.

fMutex

XrdSysRecMutex XrdClientReadCache::fMutex

private

Definition at line 171 of file XrdClientReadCache.hh.

fReadsCounter

long long XrdClientReadCache::fReadsCounter

private

Definition at line 172 of file XrdClientReadCache.hh.

fTimestampTickCounter

long long XrdClientReadCache::fTimestampTickCounter

private

Definition at line 174 of file XrdClientReadCache.hh.

fTotalByteCount

long long XrdClientReadCache::fTotalByteCount

private

Definition at line 175 of file XrdClientReadCache.hh.