XrdOucCacheReal Class Reference

#include <XrdOucCacheReal.hh>

Inheritance diagram for XrdOucCacheReal:

Collaboration diagram for XrdOucCacheReal:

List of all members.

Classes
struct	prTask

Public Member Functions
XrdOucCacheIO *	Attach (XrdOucCacheIO *ioP, int Options=0)
int	isAttached ()
	XrdOucCacheReal (int &rc, Parms &Parms, XrdOucCacheIO::aprParms *aprP=0)
	~XrdOucCacheReal ()
void	PreRead ()
Public Member Functions inherited from XrdOucCacheDram
XrdOucCache *	Create (Parms &Params, XrdOucCacheIO::aprParms *aprP=0)
	XrdOucCacheDram ()
virtual	~XrdOucCacheDram ()
Public Member Functions inherited from XrdOucCache
	XrdOucCache ()
virtual	~XrdOucCache ()

Private Member Functions
void	eMsg (const char *Path, const char *What, long long xOff, int xLen, int ec)
int	Detach (XrdOucCacheIO *ioP)
char *	Get (XrdOucCacheIO *ioP, long long lAddr, int &rGot, int &bIO)
int	ioAdd (XrdOucCacheIO *KeyVal, int &iNum)
int	ioDel (XrdOucCacheIO *KeyVal, int &iNum)
int	ioEnt (XrdOucCacheIO *kVal)
int	ioLookup (int &pip, int hip, void *kval)
int	Ref (char *Addr, int rAmt, int sFlags=0)
void	Trunc (XrdOucCacheIO *ioP, long long lAddr)
void	Upd (char *Addr, int wAmt, int wOff)
void	PreRead (XrdOucCacheReal::prTask *prReq)

Private Attributes
XrdOucCacheIO::aprParms	aprDefault
XrdSysMutex	CMutex
XrdOucCacheSlot *	Slots
int *	Slash
char *	Base
long long	HNum
long long	SegCnt
long long	SegSize
long long	OffMask
long long	SegShft
int	SegFull
int	maxCache
int	maxFiles
int	Options
int *	hTab
int	hMax
int	sFree
int	sBeg
int	sEnd
char	Dbg
char	Lgs
XrdSysSemaphore *	AZero
int	Attached
prTask *	prFirst
prTask *	prLast
XrdSysMutex	prMutex
XrdSysSemaphore	prReady
XrdSysSemaphore *	prStop
int	prNum

Static Private Attributes
static const long long	Shift = 48
static const long long	Strip = 0x00000000ffffffffLL
static const long long	MaxFO = 0x000007ffffffffffLL

Friends
class	XrdOucCacheData

Additional Inherited Members
Public Attributes inherited from XrdOucCacheDram
XrdOucCacheStats	Stats
Public Attributes inherited from XrdOucCache

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Constructor & Destructor Documentation

XrdOucCacheReal::XrdOucCacheReal	(	int &	rc,
		XrdOucCache::Parms &	ParmV,
		XrdOucCacheIO::aprParms *	aprP = 0
	)

References aprDefault, Base, XrdOucCache::Parms::CacheSize, XrdOucCache::canPreRead, Dbg, XrdOucCache::Debug, XrdOucCacheSlot::HLink, hMax, HNum, hTab, XrdOucCacheSlot::Init(), XrdOucCache::isServer, XrdOucCacheSlot::lenMask, Lgs, XrdOucCache::logStats, XrdOucCache::Parms::Max2Cache, maxCache, maxFiles, XrdOucCache::Parms::MaxFiles, XrdOucCacheSlot::SlotList::Next, OffMask, Options, XrdOucCache::Parms::Options, XrdOucCacheSlot::Own, XrdOucCache::Parms::PageSize, XrdOucCacheSlot::SlotList::Prev, prNum, XrdSysThread::Run(), sBeg, SegCnt, SegFull, SegShft, SegSize, sEnd, XrdOucCacheData::setAPR(), sFree, Slash, Slots, and XrdOucCacheRealPRXeq().

XrdOucCacheReal::~XrdOucCacheReal

(

)

References Attached, AZero, Base, CMutex, XrdSysMutex::Lock(), XrdSysSemaphore::Post(), prMutex, prNum, prReady, prStop, SegCnt, SegSize, Slots, XrdSysMutex::UnLock(), and XrdSysSemaphore::Wait().

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Member Function Documentation

XrdOucCacheIO * XrdOucCacheReal::Attach ( XrdOucCacheIO *  ioP, int  Options = 0  )

virtual

Reimplemented from XrdOucCacheDram.

References Attached, AZero, CMutex, XrdOucCacheSlot::SlotState::Data, Dbg, ioAdd(), XrdOucCache::isStructured, XrdOucCache::optADB, XrdOucCache::optFIS, XrdOucCache::optFIU, Options, XrdOucCache::optRW, XrdOucCacheIO::Path(), SegCnt, Shift, Slots, XrdOucCacheSlot::Status, and XrdOucCacheData.

int XrdOucCacheReal::Detach ( XrdOucCacheIO *  ioP )

private

References Attached, AZero, CMutex, XrdOucCacheSlot::Contents, Dbg, XrdOucCacheSlot::Hide(), HNum, ioDel(), XrdOucCacheSlot::SlotState::LRU, XrdOucCacheSlot::SlotList::Next, XrdOucCacheSlot::Own, XrdOucCacheSlot::Owner(), XrdOucCacheIO::Path(), XrdSysSemaphore::Post(), XrdOucCacheSlot::Pull(), Slash, Slots, XrdOucCacheSlot::Status, and XrdOucCacheSlot::unRef().

Referenced by XrdOucCacheData::Detach().

void XrdOucCacheReal::eMsg ( const char *  Path, const char *  What, long long  xOff, int  xLen, int  ec  )

private

References Dbg.

Referenced by Get().

char * XrdOucCacheReal::Get ( XrdOucCacheIO *  ioP, long long  lAddr, int &  rGot, int &  bIO  )

private

References Base, CMutex, XrdOucCacheSlot::Contents, XrdOucCacheSlot::Count, Dbg, eMsg(), XrdOucCacheSlot::Find(), XrdOucCacheSlot::Hide(), XrdOucCacheSlot::HLink, HNum, XrdOucCacheSlot::inTrans, XrdOucCacheSlot::SlotState::inUse, XrdOucCacheSlot::ioQ::ioEnd, XrdOucCacheSlot::isNew, XrdOucCacheSlot::isShort, XrdOucCacheSlot::lenMask, XrdSysMutex::Lock(), XrdOucCacheSlot::SlotState::LRU, XrdOucCacheSlot::SlotList::Next, XrdOucCacheSlot::ioQ::Next, XrdOucCacheSlot::Own, XrdOucCacheSlot::Owner(), XrdOucCacheIO::Path(), XrdSysSemaphore::Post(), XrdOucCacheSlot::Pull(), XrdOucCacheIO::Read(), SegCnt, SegFull, SegShft, SegSize, Shift, Slash, Slots, XrdOucCacheSlot::Status, Strip, XrdSysMutex::UnLock(), XrdOucCacheSlot::unRef(), XrdSysSemaphore::Wait(), and XrdOucCacheSlot::SlotState::waitQ.

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

int XrdOucCacheReal::ioAdd ( XrdOucCacheIO *  KeyVal, int &  iNum  )

private

References XrdOucCacheSlot::Count, XrdOucCacheSlot::File(), XrdOucCacheSlot::HLink, hTab, ioEnt(), ioLookup(), sFree, and Slots.

Referenced by Attach().

int XrdOucCacheReal::ioDel ( XrdOucCacheIO *  KeyVal, int &  iNum  )

private

References XrdOucCacheSlot::Count, XrdOucCacheSlot::HLink, hTab, ioEnt(), ioLookup(), sFree, and Slots.

Referenced by Detach().

int XrdOucCacheReal::ioEnt ( XrdOucCacheIO *  kVal )

inlineprivate

References hMax.

Referenced by ioAdd(), and ioDel().

int XrdOucCacheReal::ioLookup ( int &  pip, int  hip, void *  kval  )

inlineprivate

References XrdOucCacheSlot::HLink, and Slots.

Referenced by ioAdd(), and ioDel().

int XrdOucCacheReal::isAttached ( )

inlinevirtual

Reimplemented from XrdOucCacheDram.

References Attached, CMutex, XrdSysMutex::Lock(), and XrdSysMutex::UnLock().

void XrdOucCacheReal::PreRead

(

)

References XrdOucCacheReal::prTask::Data, Dbg, XrdSysMutex::Lock(), XrdOucCacheReal::prTask::Next, XrdSysSemaphore::Post(), XrdOucCacheData::Preread(), prFirst, prLast, prMutex, prNum, prReady, prStop, XrdSysMutex::UnLock(), and XrdSysSemaphore::Wait().

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

void XrdOucCacheReal::PreRead ( XrdOucCacheReal::prTask *  prReq )

private

References XrdSysMutex::Lock(), XrdOucCacheReal::prTask::Next, XrdSysSemaphore::Post(), prFirst, prLast, prMutex, prReady, and XrdSysMutex::UnLock().

int XrdOucCacheReal::Ref ( char *  Addr, int  rAmt, int  sFlags = 0  )

private

References Base, CMutex, XrdOucCacheSlot::Contents, XrdOucCacheSlot::Count, Dbg, XrdOucCacheSlot::SlotState::inUse, XrdOucCacheSlot::isSUSE, XrdOucCacheSlot::lenMask, XrdSysMutex::Lock(), XrdOucCacheSlot::reRef(), SegShft, SegSize, Slots, XrdOucCacheSlot::Status, XrdSysMutex::UnLock(), and XrdOucCacheSlot::unRef().

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

void XrdOucCacheReal::Trunc ( XrdOucCacheIO *  ioP, long long  lAddr  )

private

References CMutex, XrdOucCacheSlot::Contents, Dbg, XrdOucCacheSlot::Hide(), HNum, XrdOucCacheSlot::SlotList::Next, XrdOucCacheSlot::Own, XrdOucCacheSlot::Owner(), XrdOucCacheIO::Path(), XrdOucCacheSlot::Pull(), SegCnt, Shift, Slash, Slots, and XrdOucCacheSlot::unRef().

Referenced by XrdOucCacheData::Trunc().

void XrdOucCacheReal::Upd ( char *  Addr, int  wAmt, int  wOff  )

private

References Base, CMutex, XrdOucCacheSlot::Contents, XrdOucCacheSlot::Count, Dbg, XrdOucCacheSlot::SlotState::inUse, XrdOucCacheSlot::isShort, XrdOucCacheSlot::lenMask, XrdSysMutex::Lock(), XrdOucCacheSlot::reRef(), SegShft, Slots, XrdOucCacheSlot::Status, and XrdSysMutex::UnLock().

Referenced by XrdOucCacheData::Write().

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Friends And Related Function Documentation

friend class XrdOucCacheData

friend

Referenced by Attach().

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Member Data Documentation

XrdOucCacheIO::aprParms XrdOucCacheReal::aprDefault

private

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

int XrdOucCacheReal::Attached

private

Referenced by Attach(), Detach(), isAttached(), and ~XrdOucCacheReal().

XrdSysSemaphore* XrdOucCacheReal::AZero

private

Referenced by Attach(), Detach(), and ~XrdOucCacheReal().

char* XrdOucCacheReal::Base

private

Referenced by Get(), Ref(), Upd(), XrdOucCacheReal(), and ~XrdOucCacheReal().

XrdSysMutex XrdOucCacheReal::CMutex

private

Referenced by Attach(), Detach(), Get(), isAttached(), Ref(), Trunc(), Upd(), and ~XrdOucCacheReal().

char XrdOucCacheReal::Dbg

private

Referenced by Attach(), Detach(), eMsg(), Get(), PreRead(), Ref(), Trunc(), Upd(), XrdOucCacheData::XrdOucCacheData(), and XrdOucCacheReal().

int XrdOucCacheReal::hMax

private

Referenced by ioEnt(), and XrdOucCacheReal().

long long XrdOucCacheReal::HNum

private

Referenced by Detach(), Get(), Trunc(), and XrdOucCacheReal().

int* XrdOucCacheReal::hTab

private

Referenced by ioAdd(), ioDel(), and XrdOucCacheReal().

char XrdOucCacheReal::Lgs

private

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

int XrdOucCacheReal::maxCache

private

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

int XrdOucCacheReal::maxFiles

private

Referenced by XrdOucCacheReal().

const long long XrdOucCacheReal::MaxFO = 0x000007ffffffffffLL

staticprivate

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

long long XrdOucCacheReal::OffMask

private

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

int XrdOucCacheReal::Options

private

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

prTask* XrdOucCacheReal::prFirst

private

Referenced by PreRead().

prTask* XrdOucCacheReal::prLast

private

Referenced by PreRead().

XrdSysMutex XrdOucCacheReal::prMutex

private

Referenced by PreRead(), and ~XrdOucCacheReal().

int XrdOucCacheReal::prNum

private

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

XrdSysSemaphore XrdOucCacheReal::prReady

private

Referenced by PreRead(), and ~XrdOucCacheReal().

XrdSysSemaphore* XrdOucCacheReal::prStop

private

Referenced by PreRead(), and ~XrdOucCacheReal().

int XrdOucCacheReal::sBeg

private

Referenced by XrdOucCacheReal().

long long XrdOucCacheReal::SegCnt

private

Referenced by Attach(), Get(), Trunc(), XrdOucCacheReal(), and ~XrdOucCacheReal().

int XrdOucCacheReal::SegFull

private

Referenced by Get(), and XrdOucCacheReal().

long long XrdOucCacheReal::SegShft

private

Referenced by Get(), Ref(), Upd(), XrdOucCacheData::XrdOucCacheData(), and XrdOucCacheReal().

long long XrdOucCacheReal::SegSize

private

Referenced by Get(), Ref(), XrdOucCacheData::XrdOucCacheData(), XrdOucCacheReal(), and ~XrdOucCacheReal().

int XrdOucCacheReal::sEnd

private

Referenced by XrdOucCacheReal().

int XrdOucCacheReal::sFree

private

Referenced by ioAdd(), ioDel(), and XrdOucCacheReal().

const long long XrdOucCacheReal::Shift = 48

staticprivate

Referenced by Attach(), Get(), XrdOucCacheData::Preread(), and Trunc().

int* XrdOucCacheReal::Slash

private

Referenced by Detach(), Get(), Trunc(), and XrdOucCacheReal().

XrdOucCacheSlot* XrdOucCacheReal::Slots

private

Referenced by Attach(), Detach(), Get(), ioAdd(), ioDel(), ioLookup(), Ref(), Trunc(), Upd(), XrdOucCacheReal(), and ~XrdOucCacheReal().

const long long XrdOucCacheReal::Strip = 0x00000000ffffffffLL

staticprivate

Referenced by Get().

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

• XrdOucCacheReal.hh
• XrdOucCacheReal.cc