XrdBuffManager Class Reference

#include <XrdBuffer.hh>

Collaboration diagram for XrdBuffManager:

Public Member Functions
void	Init ()
XrdBuffer *	Obtain (int bsz)
int	Recalc (int bsz)
void	Release (XrdBuffer *bp)
int	MaxSize ()
void	Reshape ()
void	Set (int maxmem=-1, int minw=-1)
int	Stats (char *buff, int blen, int do_sync=0)
	XrdBuffManager (XrdSysError *lP, XrdOucTrace *tP, int minrst=20 *60)
	~XrdBuffManager ()

Private Attributes
XrdOucTrace *	XrdTrace
XrdSysError *	XrdLog
const int	slots
const int	shift
const int	pagsz
const int	maxsz
struct {
XrdBuffer *   bnext
int   numbuf
int   numreq
}	bucket [XRD_BUCKETS]
int	totreq
int	totbuf
long long	totalo
long long	maxalo
int	minrsw
int	rsinprog
int	totadj
XrdSysCondVar	Reshaper

Static Private Attributes
static const char *	TraceID = "BuffManager"

Constructor & Destructor Documentation

XrdBuffManager::XrdBuffManager	(	XrdSysError *	lP,
		XrdOucTrace *	tP,
		int	minrst = 20*60
	)

References bucket, maxalo, minrsw, pagsz, rsinprog, totadj, totalo, totbuf, totreq, and XrdLog.

XrdBuffManager::~XrdBuffManager ( )

inline

Member Function Documentation

void XrdBuffManager::Init

(

)

References XrdSysError::Emsg(), XrdSysThread::Run(), XrdLog, and XrdReshaper().

Referenced by XrdConfig::Setup().

int XrdBuffManager::MaxSize ( )

inline

References maxsz.

Referenced by XrdXrootdProtocol::Configure().

XrdBuffer * XrdBuffManager::Obtain

(

int

bsz

)

References bnext, bucket, XrdSysCondVar::Lock(), maxalo, maxsz, XrdBuffer::next, pagsz, Reshaper, rsinprog, shift, XrdSysCondVar::Signal(), slots, totalo, totbuf, totreq, and XrdSysCondVar::UnLock().

Referenced by XrdXrootdAio::Alloc(), XrdXrootdProtocol::getBuff(), and XrdXrootdProtocol::Process().

int XrdBuffManager::Recalc

(

int

bsz

)

References maxsz, shift, and slots.

Referenced by XrdXrootdProtocol::xasync().

void XrdBuffManager::Release

(

XrdBuffer *

bp

)

References XrdBuffer::bindex, bucket, XrdSysCondVar::Lock(), XrdBuffer::next, Reshaper, and XrdSysCondVar::UnLock().

Referenced by XrdXrootdProtocol::Cleanup(), XrdXrootdProtocol::getBuff(), XrdXrootdProtocol::Process(), and XrdXrootdAio::Recycle().

void XrdBuffManager::Reshape

(

)

References bnext, bucket, XrdSysCondVar::Lock(), maxalo, maxsz, minrsw, XrdBuffer::next, numbuf, Reshaper, rsinprog, slots, totadj, totalo, totbuf, totreq, TRACE, XrdSysCondVar::UnLock(), XrdSysCondVar::Wait(), XrdSysTimer::Wait(), and XRD_BUCKETS.

Referenced by XrdReshaper().

void XrdBuffManager::Set	(	int	maxmem = -1,
		int	minw = -1
	)

References XrdSysCondVar::Lock(), maxalo, minrsw, Reshaper, and XrdSysCondVar::UnLock().

Referenced by XrdConfig::xbuf().

int XrdBuffManager::Stats	(	char *	buff,
		int	blen,
		int	do_sync = 0
	)

References XrdSysCondVar::Lock(), Reshaper, totadj, totalo, totbuf, totreq, and XrdSysCondVar::UnLock().

Referenced by XrdStats::Stats().

Member Data Documentation

XrdBuffer* XrdBuffManager::bnext

Referenced by Obtain(), and Reshape().

struct { ... } XrdBuffManager::bucket[XRD_BUCKETS]

Referenced by Obtain(), Release(), Reshape(), and XrdBuffManager().

long long XrdBuffManager::maxalo

private

Referenced by Obtain(), Reshape(), Set(), and XrdBuffManager().

const int XrdBuffManager::maxsz

private

Referenced by MaxSize(), Obtain(), Recalc(), and Reshape().

int XrdBuffManager::minrsw

private

Referenced by Reshape(), Set(), and XrdBuffManager().

int XrdBuffManager::numbuf

Referenced by Reshape().

int XrdBuffManager::numreq

const int XrdBuffManager::pagsz

private

Referenced by Obtain(), and XrdBuffManager().

XrdSysCondVar XrdBuffManager::Reshaper

private

Referenced by Obtain(), Release(), Reshape(), Set(), and Stats().

int XrdBuffManager::rsinprog

private

Referenced by Obtain(), Reshape(), and XrdBuffManager().

const int XrdBuffManager::shift

private

Referenced by Obtain(), and Recalc().

const int XrdBuffManager::slots

private

Referenced by Obtain(), Recalc(), and Reshape().

int XrdBuffManager::totadj

private

Referenced by Reshape(), Stats(), and XrdBuffManager().

long long XrdBuffManager::totalo

private

Referenced by Obtain(), Reshape(), Stats(), and XrdBuffManager().

int XrdBuffManager::totbuf

private

Referenced by Obtain(), Reshape(), Stats(), and XrdBuffManager().

int XrdBuffManager::totreq

private

Referenced by Obtain(), Reshape(), Stats(), and XrdBuffManager().

const char * XrdBuffManager::TraceID = "BuffManager"

staticprivate

XrdSysError* XrdBuffManager::XrdLog

private

Referenced by Init().

XrdOucTrace* XrdBuffManager::XrdTrace

private

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

• XrdBuffer.hh
• XrdBuffer.cc