XrdOucCacheData Class Reference

#include <XrdOucCacheData.hh>

Inheritance diagram for XrdOucCacheData:

Collaboration diagram for XrdOucCacheData:

List of all members.

Classes
class	MrSw
Public Member Functions
XrdOucCacheIO *	Base ()
XrdOucCacheIO *	Detach ()
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)
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

---

Constructor & Destructor Documentation

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

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

XrdOucCacheData::~XrdOucCacheData

(

)

[inline, private]

---

Member Function Documentation

XrdOucCacheIO* XrdOucCacheData::Base

(

)

[inline, virtual]

Reimplemented from XrdOucCacheIO.

References ioObj.

XrdOucCacheIO * XrdOucCacheData::Detach

(

)

[virtual]

Reimplemented from XrdOucCacheIO.

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

const char* XrdOucCacheData::Path

(

)

[inline, virtual]

Implements XrdOucCacheIO.

References ioObj, and XrdOucCacheIO::Path().

void XrdOucCacheData::Preread

(

)

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

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

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

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

Referenced by Preread(), and Read().

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

Implements XrdOucCacheIO.

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

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

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

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

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

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

int XrdOucCacheData::Sync

(

)

[inline, virtual]

Implements XrdOucCacheIO.

int XrdOucCacheData::Trunc

(

long long

Offset

)

[virtual]

Implements XrdOucCacheIO.

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

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

Implements XrdOucCacheIO.

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

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Member Data Documentation

aprParms XrdOucCacheData::Apr [private]

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

XrdOucCacheReal* XrdOucCacheData::Cache [private]

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

char XrdOucCacheData::Debug [private]

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

XrdSysMutex XrdOucCacheData::DMutex [private]

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

XrdOucCacheIO* XrdOucCacheData::ioObj [private]

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

char XrdOucCacheData::isADB [private]

Referenced by XrdOucCacheData(), and Detach().

char XrdOucCacheData::isFIS [private]

Referenced by XrdOucCacheData(), and Read().

char XrdOucCacheData::isRW [private]

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

int XrdOucCacheData::maxCache [private]

Referenced by XrdOucCacheData(), and Read().

long long XrdOucCacheData::OffMask [private]

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

const int XrdOucCacheData::okRW = 1 [static, private]

Referenced by XrdOucCacheData().

XrdSysXSLock* XrdOucCacheData::pPLock [private]

Referenced by XrdOucCacheData(), and Preread().

XrdSysXS_Type XrdOucCacheData::pPLopt [private]

Referenced by XrdOucCacheData(), and Preread().

char XrdOucCacheData::prActive [private]

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

char XrdOucCacheData::prAuto [private]

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

long long XrdOucCacheData::prBeg[prMax] [private]

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

long long XrdOucCacheData::prCalc [private]

Referenced by XrdOucCacheData(), and QueuePR().

long long XrdOucCacheData::prEnd[prMax] [private]

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

int XrdOucCacheData::prFree [private]

Referenced by XrdOucCacheData(), and QueuePR().

const int XrdOucCacheData::prLRU = 1 [static, private]

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

const int XrdOucCacheData::prMax = 8 [static, private]

Referenced by Preread(), and QueuePR().

int XrdOucCacheData::prNext [private]

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

long long XrdOucCacheData::prNSS [private]

Referenced by XrdOucCacheData().

char XrdOucCacheData::prOK [private]

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

char XrdOucCacheData::prOpt[prMax] [private]

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

int XrdOucCacheData::prPerf [private]

Referenced by XrdOucCacheData(), and QueuePR().

XrdOucCacheReal::prTask XrdOucCacheData::prReq [private]

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

long long XrdOucCacheData::prRR[prRRMax] [private]

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

const int XrdOucCacheData::prRRMax = 5 [static, private]

Referenced by QueuePR(), and Read().

int XrdOucCacheData::prRRNow [private]

Referenced by XrdOucCacheData(), and Read().

const int XrdOucCacheData::prRun = 1 [static, private]

Referenced by Preread().

const int XrdOucCacheData::prSKIP = 3 [static, private]

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

XrdSysSemaphore* XrdOucCacheData::prStop [private]

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

const int XrdOucCacheData::prSUSE = 2 [static, private]

Referenced by Preread(), and Read().

const int XrdOucCacheData::prWait = 2 [static, private]

Referenced by Preread(), and QueuePR().

XrdSysXSLock* XrdOucCacheData::rPLock [private]

Referenced by XrdOucCacheData(), and Read().

XrdSysXS_Type XrdOucCacheData::rPLopt [private]

Referenced by XrdOucCacheData(), and Read().

XrdSysXSLock XrdOucCacheData::rwLock [private]

Referenced by XrdOucCacheData(), and Detach().

long long XrdOucCacheData::SegShft [private]

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

long long XrdOucCacheData::SegSize [private]

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

long long XrdOucCacheData::VNum [private]

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

XrdSysXSLock* XrdOucCacheData::wPLock [private]

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

const int XrdOucCacheData::xqRW = 2 [static, private]

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

• XrdOucCacheData.hh
• XrdOucCacheData.cc