XrdClientReadAhead_slidingavg Class Reference

Inheritance diagram for XrdClientReadAhead_slidingavg:

Collaboration diagram for XrdClientReadAhead_slidingavg:

Public Member Functions
	XrdClientReadAhead_slidingavg ()
virtual int	GetReadAheadHint (long long offset, long len, long long &raoffset, long &ralen, long blksz)
virtual int	Reset ()
Public Member Functions inherited from XrdClientReadAheadMgr
	XrdClientReadAheadMgr ()
virtual	~XrdClientReadAheadMgr ()
virtual void	SetRASize (long bytes)
XrdClient_RAStrategy	GetCurrentStrategy ()

Protected Attributes
long long	RALast
long long	LastOffsSum
long long	LastOffsSum2
long long	LastOffsSumsq
long long	LastOffsSumsq2
XrdClientVector< long long >	LastOffs
XrdClientVector< long long >	LastAvgApprox
XrdClientVector< long long >	LastAvgApprox2
Protected Attributes inherited from XrdClientReadAheadMgr
long	RASize
XrdClient_RAStrategy	currstrategy

Additional Inherited Members
Public Types inherited from XrdClientReadAheadMgr
enum	XrdClient_RAStrategy { RAStr_none, RAStr_pureseq, RAStr_SlidingAvg }
Static Public Member Functions inherited from XrdClientReadAheadMgr
static XrdClientReadAheadMgr *	CreateReadAheadMgr (XrdClient_RAStrategy strategy)
static bool	TrimReadRequest (long long &offs, long &len, long rasize, long blksize)

Constructor & Destructor Documentation

XrdClientReadAhead_slidingavg::XrdClientReadAhead_slidingavg ( )

inline

References LastOffsSum, LastOffsSum2, LastOffsSumsq, LastOffsSumsq2, and RALast.

Member Function Documentation

int XrdClientReadAhead_slidingavg::GetReadAheadHint ( long long  offset, long  len, long long &  raoffset, long &  ralen, long  blksz  )

virtual

Implements XrdClientReadAheadMgr.

References XrdClientVector< T >::Erase(), XrdClientVector< T >::GetSize(), LastAvgApprox, LastAvgApprox2, LastOffs, LastOffsSum, LastOffsSum2, LastOffsSumsq, LastOffsSumsq2, XrdClientVector< T >::Push_back(), RALast, XrdClientReadAheadMgr::RASize, XrdClientReadAheadMgr::TrimReadRequest(), xrdmax, and xrdmin.

virtual int XrdClientReadAhead_slidingavg::Reset ( )

inlinevirtual

Implements XrdClientReadAheadMgr.

References LastOffsSum, LastOffsSum2, LastOffsSumsq, LastOffsSumsq2, and RALast.

Member Data Documentation

XrdClientVector<long long> XrdClientReadAhead_slidingavg::LastAvgApprox

protected

Referenced by GetReadAheadHint().

XrdClientVector<long long> XrdClientReadAhead_slidingavg::LastAvgApprox2

protected

Referenced by GetReadAheadHint().

XrdClientVector<long long> XrdClientReadAhead_slidingavg::LastOffs

protected

Referenced by GetReadAheadHint().

long long XrdClientReadAhead_slidingavg::LastOffsSum

protected

Referenced by GetReadAheadHint(), Reset(), and XrdClientReadAhead_slidingavg().

long long XrdClientReadAhead_slidingavg::LastOffsSum2

protected

Referenced by GetReadAheadHint(), Reset(), and XrdClientReadAhead_slidingavg().

long long XrdClientReadAhead_slidingavg::LastOffsSumsq

protected

Referenced by GetReadAheadHint(), Reset(), and XrdClientReadAhead_slidingavg().

long long XrdClientReadAhead_slidingavg::LastOffsSumsq2

protected

Referenced by GetReadAheadHint(), Reset(), and XrdClientReadAhead_slidingavg().

long long XrdClientReadAhead_slidingavg::RALast

protected

Referenced by GetReadAheadHint(), Reset(), and XrdClientReadAhead_slidingavg().

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

• XrdClientReadAhead.cc