XrdClientReadCache Class Reference

#include <XrdClientReadCache.hh>

Collaboration diagram for XrdClientReadCache:

[legend]List of all members.


Public Types
enum	{ kRmBlk_LRU = 0, kRmBlk_LeastOffs, kRmBlk_FIFO }
Public Member Functions
	XrdClientReadCache ()
	~XrdClientReadCache ()
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	PutPlaceholder (long long begin_offs, long long end_offs)
void	PrintPerfCounters ()
void	PrintCache ()
void	SubmitXMessage (XrdClientMessage *xmsg, long long begin_offs, long long end_offs)
bool	SubmitRawData (const void *buffer, long long begin_offs, long long end_offs, bool pinned=false)
void	RemoveItems (bool leavepinned=true)
void	RemoveItems (long long begin_offs, long long end_offs, bool remove_overlapped=false)
void	RemovePlaceholders ()
void	SetSize (int sz)
void	SetBlkRemovalPolicy (int p)
void	UnPinCacheBlk (long long begin_offs, long long end_offs)
void *	FindBlk (long long begin_offs, long long end_offs)
bool	WillFit (long long bc)
Private Member Functions
long long	GetTimestampTick ()
bool	MakeFreeSpace (long long bytes)
bool	RemoveItem ()
bool	RemoveLRUItem ()
bool	RemoveFirstItem ()
void	UpdatePerfCounters ()
int	FindInsertionApprox (long long begin_offs)
int	FindInsertionApprox_rec (int startidx, int endidx, long long begin_offs)
Private Attributes
long long	fBytesHit
long long	fBytesSubmitted
float	fBytesUsefulness
ItemVect	fItems
long long	fMaxCacheSize
long long	fMissCount
float	fMissRate
XrdSysRecMutex	fMutex
long long	fReadsCounter
int	fBlkRemPolicy
long long	fTimestampTickCounter
long long	fTotalByteCount

Member Enumeration Documentation

anonymous enum

Enumeration values:

kRmBlk_LRU

kRmBlk_LeastOffs

kRmBlk_FIFO

Constructor & Destructor Documentation

XrdClientReadCache::XrdClientReadCache ( )

XrdClientReadCache::~XrdClientReadCache ( )

Member Function Documentation

void * XrdClientReadCache::FindBlk ( long long begin_offs,

long long end_offs

)

int XrdClientReadCache::FindInsertionApprox ( long long begin_offs ) [private]

int XrdClientReadCache::FindInsertionApprox_rec ( int startidx,

int endidx,

long long begin_offs

) [private]

long XrdClientReadCache::GetDataIfPresent ( const void * buffer,

long long begin_offs,

long long end_offs,

bool PerfCalc,

XrdClientIntvList & missingblks,

long & outstandingblks

)

void XrdClientReadCache::GetInfo ( int & size,

long long & bytessubmitted,

long long & byteshit,

long long & misscount,

float & missrate,

long long & readreqcnt,

float & bytesusefulness

)