XrdBuffManager Class Reference

#include <XrdBuffer.hh>

Collaboration diagram for XrdBuffManager:

List of all members.

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"

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Constructor & Destructor Documentation

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

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

XrdBuffManager::~XrdBuffManager

(

)

[inline]

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Member Function Documentation

void XrdBuffManager::Init

(

)

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

Referenced by XrdConfig::Setup().

int XrdBuffManager::MaxSize

(

)

[inline]

References maxsz.

Referenced by XrdXrootdProtocol::Configure().

XrdBuffer * XrdBuffManager::Obtain

(

int

bsz

)

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

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

int XrdBuffManager::Recalc

(

int

bsz

)

References maxsz, shift, and slots.

Referenced by XrdXrootdProtocol::xasync().

void XrdBuffManager::Release

(

XrdBuffer *

bp

)

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

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

void XrdBuffManager::Reshape

(

)

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

Referenced by XrdReshaper().

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

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

Referenced by XrdConfig::xbuf().

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

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

Referenced by XrdStats::Stats().

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Member Data Documentation

XrdBuffer* XrdBuffManager::bnext

Referenced by Obtain(), and Reshape().

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

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

long long XrdBuffManager::maxalo [private]

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

const int XrdBuffManager::maxsz [private]

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

int XrdBuffManager::minrsw [private]

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

int XrdBuffManager::numbuf

Referenced by Reshape().

int XrdBuffManager::numreq

const int XrdBuffManager::pagsz [private]

Referenced by XrdBuffManager(), and Obtain().

XrdSysCondVar XrdBuffManager::Reshaper [private]

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

int XrdBuffManager::rsinprog [private]

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

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

long long XrdBuffManager::totalo [private]

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

int XrdBuffManager::totbuf [private]

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

int XrdBuffManager::totreq [private]

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

const char * XrdBuffManager::TraceID = "BuffManager" [static, private]

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