XrdOucCacheData Class Reference

#include <XrdOucCacheData.hh>

Inheritance diagram for XrdOucCacheData:

Collaboration diagram for XrdOucCacheData:

Classes
class	MrSw

Public Member Functions
XrdOucCacheIO *	Base ()
XrdOucCacheIO *	Detach ()
long long	FSize ()
const char *	Path ()
void	Preread ()
void	Preread (aprParms &Parms)
void	Preread (long long Offs, int rLen, int Opts=0)
int	Read (char *Buffer, long long Offset, int Length)
int	Sync ()
int	Trunc (long long Offset)
int	Write (char *Buffer, long long Offset, int Length)
	XrdOucCacheData (XrdOucCacheReal *cP, XrdOucCacheIO *ioP, long long vn, int opts)
Public Member Functions inherited from XrdOucCacheIO
virtual void	Preread (aprParms &Parms)
virtual	~XrdOucCacheIO ()

Static Public Member Functions
static int	setAPR (aprParms &Dest, aprParms &Src, int pSize)

Private Member Functions
	~XrdOucCacheData ()
void	QueuePR (long long SegOffs, int rLen, int prHow, int isAuto=0)
int	Read (XrdOucCacheStats &Now, char *Buffer, long long Offs, int Length)

Private Attributes
XrdSysXSLock	rwLock
XrdSysXSLock *	pPLock
XrdSysXSLock *	rPLock
XrdSysXSLock *	wPLock
XrdSysXS_Type	pPLopt
XrdSysXS_Type	rPLopt
XrdSysMutex	DMutex
XrdOucCacheReal *	Cache
XrdOucCacheIO *	ioObj
long long	VNum
long long	SegSize
long long	OffMask
long long	SegShft
int	maxCache
char	isFIS
char	isRW
char	isADB
char	Debug
XrdOucCacheReal::prTask	prReq
XrdSysSemaphore *	prStop
long long	prNSS
long long	prRR [prRRMax]
int	prRRNow
aprParms	Apr
long long	prCalc
long long	prBeg [prMax]
long long	prEnd [prMax]
int	prNext
int	prFree
int	prPerf
char	prOpt [prMax]
char	prOK
char	prActive
char	prAuto

Static Private Attributes
static const int	okRW = 1
static const int	xqRW = 2
static const int	prRRMax = 5
static const int	prMax = 8
static const int	prRun = 1
static const int	prWait = 2
static const int	prLRU = 1
static const int	prSUSE = 2
static const int	prSKIP = 3

Additional Inherited Members
Public Attributes inherited from XrdOucCacheIO
XrdOucCacheStats	Statistics
Static Public Attributes inherited from XrdOucCacheIO
static const int	SingleUse = 0x0001

Constructor & Destructor Documentation

XrdOucCacheData::XrdOucCacheData	(	XrdOucCacheReal *	cP,
		XrdOucCacheIO *	ioP,
		long long	vn,
		int	opts
	)

References Apr, XrdOucCacheReal::aprDefault, Cache, XrdOucCacheReal::prTask::Data, XrdOucCacheReal::Dbg, Debug, XrdOucCache::ioMTSafe, isADB, isFIS, isRW, XrdOucCacheReal::maxCache, maxCache, XrdOucCacheReal::OffMask, OffMask, okRW, XrdOucCache::optADB, XrdOucCache::optFIS, XrdOucCacheReal::Options, XrdOucCache::optRW, pPLock, pPLopt, prActive, prAuto, prBeg, prCalc, prEnd, prFree, prNext, prNSS, XrdOucCacheReal::prNum, prOK, prOpt, prPerf, XrdOucCacheIO::aprParms::prRecalc, prReq, prRR, prRRNow, prStop, rPLock, rPLopt, rwLock, XrdOucCacheReal::SegShft, SegShft, XrdOucCacheReal::SegSize, SegSize, XrdOucCache::Serialized, setAPR(), wPLock, xs_Exclusive, and xs_Shared.

XrdOucCacheData::~XrdOucCacheData ( )

inlineprivate

Member Function Documentation

XrdOucCacheIO* XrdOucCacheData::Base ( )

inlinevirtual

Reimplemented from XrdOucCacheIO.

References ioObj.

XrdOucCacheIO * XrdOucCacheData::Detach ( )

virtual

Reimplemented from XrdOucCacheIO.

References XrdOucCacheStats::Add(), XrdOucCacheStats::BytesGet, XrdOucCacheStats::BytesPass, XrdOucCacheStats::BytesPead, XrdOucCacheStats::BytesPut, XrdOucCacheStats::BytesRead, XrdOucCacheStats::BytesWrite, Cache, XrdOucCacheReal::Detach(), DMutex, XrdOucCacheStats::Hits, XrdOucCacheStats::HitsPR, ioObj, isADB, XrdOucCacheReal::Lgs, XrdSysXSLock::Lock(), XrdSysMutex::Lock(), XrdOucCacheStats::Miss, XrdOucCacheStats::MissPR, XrdOucCacheIO::Path(), prActive, prStop, rwLock, XrdOucCacheIO::Statistics, XrdOucCacheDram::Stats, XrdSysXSLock::UnLock(), XrdSysMutex::UnLock(), XrdSysSemaphore::Wait(), and xs_Exclusive.

long long XrdOucCacheData::FSize ( )

inlinevirtual

Implements XrdOucCacheIO.

References XrdOucCacheIO::FSize(), and ioObj.

const char* XrdOucCacheData::Path ( )

inlinevirtual

Implements XrdOucCacheIO.

References ioObj, and XrdOucCacheIO::Path().

void XrdOucCacheData::Preread

(

)

References XrdOucCacheStats::BytesPead, Cache, Debug, DMutex, XrdOucCacheReal::Get(), ioObj, XrdOucCacheSlot::isNew, XrdOucCacheSlot::isSUSE, XrdOucCacheStats::Lock(), XrdSysMutex::Lock(), XrdOucCacheStats::MissPR, XrdOucCacheIO::Path(), XrdSysSemaphore::Post(), pPLock, pPLopt, prActive, prBeg, prEnd, XrdOucCacheReal::PreRead(), prMax, prNext, prOpt, prReq, prRun, prSKIP, prStop, prSUSE, prWait, XrdOucCacheReal::Ref(), SegSize, XrdOucCacheReal::Shift, XrdOucCacheIO::Statistics, XrdOucCacheStats::UnLock(), XrdSysMutex::UnLock(), and VNum.

Referenced by XrdOucCacheReal::PreRead().

void XrdOucCacheData::Preread

(

aprParms &

Parms

)

void XrdOucCacheData::Preread ( long long  Offs, int  rLen, int  Opts = 0  )

virtual

Reimplemented from XrdOucCacheIO.

References XrdOucCacheReal::MaxFO, prLRU, prOK, prSUSE, QueuePR(), SegShft, and XrdOucCacheIO::SingleUse.

void XrdOucCacheData::QueuePR ( long long  SegOffs, int  rLen, int  prHow, int  isAuto = 0  )

private

References Apr, XrdOucCacheStats::BytesPead, Cache, Debug, DMutex, XrdOucCacheStats::HitsPR, ioObj, XrdOucCacheStats::Lock(), XrdOucCacheIO::aprParms::minPages, XrdOucCacheIO::aprParms::minPerf, XrdOucCacheStats::MissPR, OffMask, XrdOucCacheIO::Path(), prActive, prAuto, prBeg, prCalc, prEnd, XrdOucCacheReal::PreRead(), prFree, prLRU, prMax, prNext, prOpt, prPerf, XrdOucCacheIO::aprParms::prRecalc, prReq, prRR, prRRMax, prSKIP, prStop, prWait, SegSize, XrdOucCacheIO::Statistics, and XrdOucCacheStats::UnLock().

Referenced by Preread(), and Read().

int XrdOucCacheData::Read ( char *  Buffer, long long  Offset, int  Length  )

virtual

Implements XrdOucCacheIO.

References XrdOucCacheStats::Add(), Apr, XrdOucCacheStats::BytesGet, XrdOucCacheStats::BytesRead, Cache, Debug, DMutex, XrdOucCacheReal::Get(), XrdOucCacheStats::Hits, XrdOucCacheStats::HitsPR, ioObj, isFIS, XrdSysMutex::Lock(), maxCache, XrdOucCacheReal::MaxFO, XrdOucCacheStats::Miss, OffMask, prAuto, prLRU, prRR, prRRMax, prRRNow, prSUSE, QueuePR(), XrdOucCacheReal::Ref(), rPLock, rPLopt, SegShft, SegSize, XrdOucCacheIO::Statistics, XrdOucCacheIO::aprParms::Trigger, XrdOucCacheData::MrSw::UnLock(), XrdSysMutex::UnLock(), and VNum.

int XrdOucCacheData::Read ( XrdOucCacheStats &  Now, char *  Buffer, long long  Offs, int  Length  )

private

References XrdOucCacheStats::Add(), XrdOucCacheStats::BytesGet, XrdOucCacheStats::BytesPass, Cache, Debug, XrdOucCacheReal::Get(), XrdOucCacheStats::Hits, XrdOucCacheStats::HitsPR, ioObj, isFIS, isRW, OffMask, prOK, prSKIP, QueuePR(), XrdOucCacheIO::Read(), XrdOucCacheReal::Ref(), SegShft, SegSize, XrdOucCacheIO::Statistics, and VNum.

int XrdOucCacheData::setAPR ( aprParms &  Dest, aprParms &  Src, int  pSize  )

static

References XrdOucCacheIO::aprParms::minPages, XrdOucCacheIO::aprParms::minPerf, XrdOucCacheIO::aprParms::prRecalc, and XrdOucCacheIO::aprParms::Trigger.

Referenced by XrdOucCacheData(), and XrdOucCacheReal::XrdOucCacheReal().

int XrdOucCacheData::Sync ( )

inlinevirtual

Implements XrdOucCacheIO.

int XrdOucCacheData::Trunc ( long long  Offset )

virtual

Implements XrdOucCacheIO.

References Cache, ioObj, isRW, XrdOucCacheReal::MaxFO, SegShft, XrdOucCacheReal::Trunc(), XrdOucCacheIO::Trunc(), VNum, wPLock, and xs_Exclusive.

int XrdOucCacheData::Write ( char *  Buffer, long long  Offset, int  Length  )

virtual

Implements XrdOucCacheIO.

References XrdOucCacheStats::Add(), XrdOucCacheStats::BytesPut, XrdOucCacheStats::BytesWrite, Cache, XrdOucCacheReal::Get(), XrdOucCacheStats::Hits, XrdOucCacheStats::HitsPR, ioObj, isRW, XrdOucCacheReal::MaxFO, XrdOucCacheStats::Miss, OffMask, SegShft, SegSize, XrdOucCacheIO::Statistics, XrdOucCacheReal::Upd(), VNum, wPLock, XrdOucCacheIO::Write(), and xs_Exclusive.

Member Data Documentation

aprParms XrdOucCacheData::Apr

private

Referenced by QueuePR(), Read(), and XrdOucCacheData().

XrdOucCacheReal* XrdOucCacheData::Cache

private

Referenced by Detach(), Preread(), QueuePR(), Read(), Trunc(), Write(), and XrdOucCacheData().

char XrdOucCacheData::Debug

private

Referenced by Preread(), QueuePR(), Read(), and XrdOucCacheData().

XrdSysMutex XrdOucCacheData::DMutex

private

Referenced by Detach(), Preread(), QueuePR(), and Read().

XrdOucCacheIO* XrdOucCacheData::ioObj

private

Referenced by Base(), Detach(), FSize(), Path(), Preread(), QueuePR(), Read(), Trunc(), and Write().

char XrdOucCacheData::isADB

private

Referenced by Detach(), and XrdOucCacheData().

char XrdOucCacheData::isFIS

private

Referenced by Read(), and XrdOucCacheData().

char XrdOucCacheData::isRW

private

Referenced by Read(), Trunc(), Write(), and XrdOucCacheData().

int XrdOucCacheData::maxCache

private

Referenced by Read(), and XrdOucCacheData().

long long XrdOucCacheData::OffMask

private

Referenced by QueuePR(), Read(), Write(), and XrdOucCacheData().

const int XrdOucCacheData::okRW = 1

staticprivate

Referenced by XrdOucCacheData().

XrdSysXSLock* XrdOucCacheData::pPLock

private

Referenced by Preread(), and XrdOucCacheData().

XrdSysXS_Type XrdOucCacheData::pPLopt

private

Referenced by Preread(), and XrdOucCacheData().

char XrdOucCacheData::prActive

private

Referenced by Detach(), Preread(), QueuePR(), and XrdOucCacheData().

char XrdOucCacheData::prAuto

private

Referenced by QueuePR(), Read(), and XrdOucCacheData().

long long XrdOucCacheData::prBeg[prMax]

private

Referenced by Preread(), QueuePR(), and XrdOucCacheData().

long long XrdOucCacheData::prCalc

private

Referenced by QueuePR(), and XrdOucCacheData().

long long XrdOucCacheData::prEnd[prMax]

private

Referenced by Preread(), QueuePR(), and XrdOucCacheData().

int XrdOucCacheData::prFree

private

Referenced by QueuePR(), and XrdOucCacheData().

const int XrdOucCacheData::prLRU = 1

staticprivate

Referenced by Preread(), QueuePR(), and Read().

const int XrdOucCacheData::prMax = 8

staticprivate

Referenced by Preread(), and QueuePR().

int XrdOucCacheData::prNext

private

Referenced by Preread(), QueuePR(), and XrdOucCacheData().

long long XrdOucCacheData::prNSS

private

Referenced by XrdOucCacheData().

char XrdOucCacheData::prOK

private

Referenced by Preread(), Read(), and XrdOucCacheData().

char XrdOucCacheData::prOpt[prMax]

private

Referenced by Preread(), QueuePR(), and XrdOucCacheData().

int XrdOucCacheData::prPerf

private

Referenced by QueuePR(), and XrdOucCacheData().

XrdOucCacheReal::prTask XrdOucCacheData::prReq

private

Referenced by Preread(), QueuePR(), and XrdOucCacheData().

long long XrdOucCacheData::prRR[prRRMax]

private

Referenced by QueuePR(), Read(), and XrdOucCacheData().

const int XrdOucCacheData::prRRMax = 5

staticprivate

Referenced by QueuePR(), and Read().

int XrdOucCacheData::prRRNow

private

Referenced by Read(), and XrdOucCacheData().

const int XrdOucCacheData::prRun = 1

staticprivate

Referenced by Preread().

const int XrdOucCacheData::prSKIP = 3

staticprivate

Referenced by Preread(), QueuePR(), and Read().

XrdSysSemaphore* XrdOucCacheData::prStop

private

Referenced by Detach(), Preread(), QueuePR(), and XrdOucCacheData().

const int XrdOucCacheData::prSUSE = 2

staticprivate

Referenced by Preread(), and Read().

const int XrdOucCacheData::prWait = 2

staticprivate

Referenced by Preread(), and QueuePR().

XrdSysXSLock* XrdOucCacheData::rPLock

private

Referenced by Read(), and XrdOucCacheData().

XrdSysXS_Type XrdOucCacheData::rPLopt

private

Referenced by Read(), and XrdOucCacheData().

XrdSysXSLock XrdOucCacheData::rwLock

private

Referenced by Detach(), and XrdOucCacheData().

long long XrdOucCacheData::SegShft

private

Referenced by Preread(), Read(), Trunc(), Write(), and XrdOucCacheData().

long long XrdOucCacheData::SegSize

private

Referenced by Preread(), QueuePR(), Read(), Write(), and XrdOucCacheData().

long long XrdOucCacheData::VNum

private

Referenced by Preread(), Read(), Trunc(), and Write().

XrdSysXSLock* XrdOucCacheData::wPLock

private

Referenced by Trunc(), Write(), and XrdOucCacheData().

const int XrdOucCacheData::xqRW = 2

staticprivate

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

• XrdOucCacheData.hh
• XrdOucCacheData.cc