xrootd: XrdClientReadAheadMgr Class Reference

xrootd

#include <XrdClientReadAhead.hh>

Inheritance diagram for XrdClientReadAheadMgr:

Inheritance graph

Public Types
enum	XrdClient_RAStrategy { RAStr_none, RAStr_pureseq, RAStr_SlidingAvg }

Public Member Functions
	XrdClientReadAheadMgr ()

virtual	~XrdClientReadAheadMgr ()

virtual int	GetReadAheadHint (long long offset, long len, long long &raoffset, long &ralen, long blksize)=0

virtual int	Reset ()=0

virtual void	SetRASize (long bytes)

XrdClient_RAStrategy	GetCurrentStrategy ()

Static Public Member Functions
static XrdClientReadAheadMgr *	CreateReadAheadMgr (XrdClient_RAStrategy strategy)

static bool	TrimReadRequest (long long &offs, long &len, long rasize, long blksize)

Protected Attributes
long	RASize

XrdClient_RAStrategy	currstrategy

Member Enumeration Documentation

enum XrdClientReadAheadMgr::XrdClient_RAStrategy

Enumerator
RAStr_none
RAStr_pureseq
RAStr_SlidingAvg

Constructor & Destructor Documentation

XrdClientReadAheadMgr::XrdClientReadAheadMgr ( )

inline

References RASize.

virtual XrdClientReadAheadMgr::~XrdClientReadAheadMgr ( )

inlinevirtual

Member Function Documentation

XrdClientReadAheadMgr * XrdClientReadAheadMgr::CreateReadAheadMgr ( XrdClient_RAStrategy strategy )

static

References currstrategy, RAStr_none, RAStr_pureseq, and RAStr_SlidingAvg.

Referenced by XrdClient::SetReadAheadStrategy().

XrdClient_RAStrategy XrdClientReadAheadMgr::GetCurrentStrategy ( )

inline

References currstrategy.

Referenced by XrdClient::SetReadAheadStrategy().

virtual int XrdClientReadAheadMgr::GetReadAheadHint	(	long long	offset,
		long	len,
		long long &	raoffset,
		long &	ralen,
		long	blksize
	)

pure virtual

Implemented in XrdClientReadAhead_slidingavg, and XrdClientReadAhead_pureseq.

Referenced by XrdClient::Read().

virtual int XrdClientReadAheadMgr::Reset ( )

pure virtual

Implemented in XrdClientReadAhead_slidingavg, and XrdClientReadAhead_pureseq.

virtual void XrdClientReadAheadMgr::SetRASize ( long bytes )

inlinevirtual

References RASize.

Referenced by XrdClient::SetCacheParameters().

bool XrdClientReadAheadMgr::TrimReadRequest	(	long long &	offs,
		long &	len,
		long	rasize,
		long	blksize
	)

static

Referenced by XrdClientReadAhead_pureseq::GetReadAheadHint(), XrdClientReadAhead_slidingavg::GetReadAheadHint(), and XrdClient::Read().

Member Data Documentation

XrdClient_RAStrategy XrdClientReadAheadMgr::currstrategy

protected

Referenced by CreateReadAheadMgr(), and GetCurrentStrategy().

long XrdClientReadAheadMgr::RASize

protected

Referenced by XrdClientReadAhead_pureseq::GetReadAheadHint(), XrdClientReadAhead_slidingavg::GetReadAheadHint(), SetRASize(), and XrdClientReadAheadMgr().

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