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XrdXrootdNormAio.hh
Go to the documentation of this file.
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#ifndef __XRDXROOTDNORMAIO_H__
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#define __XRDXROOTDNORMAIO_H__
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/******************************************************************************/
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/* */
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/* X r d X r o o t d N o r m A i o . h h */
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/* */
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/* (c) 2021 by the Board of Trustees of the Leland Stanford, Jr., University */
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/* All Rights Reserved */
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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 "
XrdXrootd/XrdXrootdAioTask.hh
"
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class
XrdXrootdAioBuff
;
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class
XrdXrootdFile
;
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class
XrdXrootdNormAio :
public
XrdXrootdAioTask
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{
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public
:
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static
XrdXrootdNormAio *
Alloc
(
XrdXrootdProtocol
*protP,
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XrdXrootdResponse
&resp,
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XrdXrootdFile
*fP);
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void
DoIt
()
override
;
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void
Read
(
long
long
offs,
int
dlen)
override
;
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void
Recycle
(
bool
release)
override
;
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int
Write
(
long
long
offs,
int
dlen)
override
;
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private
:
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XrdXrootdNormAio() :
XrdXrootdAioTask
(
"aio request"
),
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sendQ(0), reorders(0), didSched(
false
) {}
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virtual
~XrdXrootdNormAio() {}
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bool
CopyF2L_Add2Q(
XrdXrootdAioBuff
*aioP=0);
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void
CopyF2L
()
override
;
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int
CopyL2F
()
override
;
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bool
CopyL2F
(
XrdXrootdAioBuff
*aioP)
override
;
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bool
Send(
XrdXrootdAioBuff
*aioP,
bool
final
=
false
);
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static
const
char
*TraceID;
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XrdXrootdAioBuff
*sendQ;
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off_t sendOffset;
// Required offset of next chunk to send
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int
reorders;
// Number of buffers that were reordered
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bool
didSched;
// Next aio request scheduled
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};
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#endif
XrdXrootdAioTask.hh
XrdXrootdAioBuff
Definition
XrdXrootdAioBuff.hh:41
XrdXrootdAioTask::CopyL2F
virtual int CopyL2F()=0
XrdXrootdAioTask::CopyF2L
virtual void CopyF2L()=0
XrdXrootdAioTask::XrdXrootdAioTask
XrdXrootdAioTask(const char *what="aio request")
Definition
XrdXrootdAioTask.hh:69
XrdXrootdFile
Definition
XrdXrootdFile.hh:101
XrdXrootdNormAio::DoIt
void DoIt() override
Definition
XrdXrootdNormAio.cc:375
XrdXrootdNormAio::Write
int Write(long long offs, int dlen) override
Definition
XrdXrootdNormAio.cc:479
XrdXrootdNormAio::Recycle
void Recycle(bool release) override
Definition
XrdXrootdNormAio.cc:413
XrdXrootdNormAio::Read
void Read(long long offs, int dlen) override
Definition
XrdXrootdNormAio.cc:386
XrdXrootdNormAio::Alloc
static XrdXrootdNormAio * Alloc(XrdXrootdProtocol *protP, XrdXrootdResponse &resp, XrdXrootdFile *fP)
Definition
XrdXrootdNormAio.cc:84
XrdXrootdProtocol
Definition
XrdXrootdProtocol.hh:156
XrdXrootdResponse
Definition
XrdXrootdResponse.hh:49
XrdXrootd
XrdXrootdNormAio.hh
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