XRootD
XrdBuffXL.hh
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#ifndef __XrdBuffXL_H__
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#define __XrdBuffXL_H__
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/******************************************************************************/
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/* */
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/* X r d B u f f X L . h h */
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/* */
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/* (c) 2015 by the Board of Trustees of the Leland Stanford, Jr., University */
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/* Produced by Andrew Hanushevsky for Stanford University under contract */
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/* DE-AC02-76-SFO0515 with the Department of Energy */
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/* */
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/* This file is part of the XRootD software suite. */
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/* */
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/* XRootD is free software: you can redistribute it and/or modify it under */
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/* the terms of the GNU Lesser General Public License as published by the */
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/* Free Software Foundation, either version 3 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
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/* License for more details. */
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/* */
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/* You should have received a copy of the GNU Lesser General Public License */
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/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
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/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
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/* */
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/* The copyright holder's institutional names and contributor's names may not */
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/* be used to endorse or promote products derived from this software without */
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/* specific prior written permission of the institution or contributor. */
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/******************************************************************************/
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#include "
XrdBuffer.hh
"
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#include "
XrdSys/XrdSysPthread.hh
"
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// There should be only one instance of this class.
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//
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class
XrdBuffXL
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{
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public
:
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void
Init
(
int
maxMSZ);
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XrdBuffer
*
Obtain
(
int
bsz);
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int
Recalc
(
int
bsz);
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void
Release
(
XrdBuffer
*bp);
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int
MaxSize
() {
return
maxsz;}
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void
Trim
();
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int
Stats
(
char
*buff,
int
blen,
int
do_sync=0);
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XrdBuffXL
();
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~XrdBuffXL
() {}
// The buffmanager is never deleted
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private
:
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XrdSysMutex
slotXL;
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struct
BuckVec
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{
XrdBuffer
*bnext;
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int
numbuf;
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int
numreq;
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BuckVec() : bnext(0), numbuf(0), numreq(0) {}
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~BuckVec() {}
// Never gets deleted
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};
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BuckVec *bucket;
// 4M**(0 ... slots-1) sized buffers
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long
long
totalo;
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const
int
pagsz;
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int
slots;
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int
maxsz;
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int
totreq;
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int
totbuf;
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};
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#endif
XrdBuffer.hh
XrdSysPthread.hh
XrdBuffXL
Definition:
XrdBuffXL.hh:38
XrdBuffXL::Release
void Release(XrdBuffer *bp)
Definition:
XrdBuffXL.cc:182
XrdBuffXL::Trim
void Trim()
Definition:
XrdBuffXL.cc:221
XrdBuffXL::XrdBuffXL
XrdBuffXL()
Definition:
XrdBuffXL.cc:56
XrdBuffXL::Recalc
int Recalc(int bsz)
Definition:
XrdBuffXL.cc:155
XrdBuffXL::~XrdBuffXL
~XrdBuffXL()
Definition:
XrdBuffXL.hh:57
XrdBuffXL::MaxSize
int MaxSize()
Definition:
XrdBuffXL.hh:49
XrdBuffXL::Init
void Init(int maxMSZ)
Definition:
XrdBuffXL.cc:64
XrdBuffXL::Stats
int Stats(char *buff, int blen, int do_sync=0)
Definition:
XrdBuffXL.cc:199
XrdBuffXL::Obtain
XrdBuffer * Obtain(int bsz)
Definition:
XrdBuffXL.cc:99
XrdBuffer
Definition:
XrdBuffer.hh:42
XrdSysMutex
Definition:
XrdSysPthread.hh:165
Xrd
XrdBuffXL.hh
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