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XrdXrootdNormAio.hh
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1 #ifndef __XRDXROOTDNORMAIO_H__
2 #define __XRDXROOTDNORMAIO_H__
3 /******************************************************************************/
4 /* */
5 /* X r d X r o o t d N o r m A i o . h h */
6 /* */
7 /* (c) 2021 by the Board of Trustees of the Leland Stanford, Jr., University */
8 /* All Rights Reserved */
9 /* Produced by Andrew Hanushevsky for Stanford University under contract */
10 /* DE-AC02-76-SFO0515 with the Department of Energy */
11 /* */
12 /* This file is part of the XRootD software suite. */
13 /* */
14 /* XRootD is free software: you can redistribute it and/or modify it under */
15 /* the terms of the GNU Lesser General Public License as published by the */
16 /* Free Software Foundation, either version 3 of the License, or (at your */
17 /* option) any later version. */
18 /* */
19 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */
20 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
21 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
22 /* License for more details. */
23 /* */
24 /* You should have received a copy of the GNU Lesser General Public License */
25 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
26 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
27 /* */
28 /* The copyright holder's institutional names and contributor's names may not */
29 /* be used to endorse or promote products derived from this software without */
30 /* specific prior written permission of the institution or contributor. */
31 /******************************************************************************/
32 
34 
35 class XrdXrootdAioBuff;
36 class XrdXrootdFile;
37 
39 {
40 public:
41 
43  XrdXrootdResponse &resp,
44  XrdXrootdFile *fP);
45 
46  void DoIt() override;
47 
48  void Read(long long offs, int dlen) override;
49 
50  void Recycle(bool release) override;
51 
52  int Write(long long offs, int dlen) override;
53 
54 private:
55 
56  XrdXrootdNormAio() : XrdXrootdAioTask("aio request"),
57  sendQ(0), reorders(0), didSched(false) {}
58 virtual ~XrdXrootdNormAio() {}
59 
60  bool CopyF2L_Add2Q(XrdXrootdAioBuff *aioP=0);
61  void CopyF2L() override;
62  int CopyL2F() override;
63  bool CopyL2F(XrdXrootdAioBuff *aioP) override;
64  bool Send(XrdXrootdAioBuff *aioP, bool final=false);
65 
66 static const char *TraceID;
67 
69  off_t sendOffset; // Required offset of next chunk to send
70  int reorders; // Number of buffers that were reordered
71  bool didSched; // Next aio request scheduled
72 };
73 #endif
void CopyF2L() override
XrdXrootdAioBuff * sendQ
Definition: XrdXrootdNormAio.hh:68
void DoIt() override
Definition: XrdXrootdAioBuff.hh:40
XrdXrootdNormAio()
Definition: XrdXrootdNormAio.hh:56
Definition: XrdXrootdProtocol.hh:154
void Recycle(bool release) override
Definition: XrdXrootdFile.hh:100
int reorders
Definition: XrdXrootdNormAio.hh:70
off_t sendOffset
Definition: XrdXrootdNormAio.hh:69
Definition: XrdXrootdAioTask.hh:46
bool CopyF2L_Add2Q(XrdXrootdAioBuff *aioP=0)
bool didSched
Definition: XrdXrootdNormAio.hh:71
Definition: XrdXrootdResponse.hh:48
static XrdXrootdNormAio * Alloc(XrdXrootdProtocol *protP, XrdXrootdResponse &resp, XrdXrootdFile *fP)
int CopyL2F() override
Definition: XrdXrootdNormAio.hh:38
bool Send(XrdXrootdAioBuff *aioP, bool final=false)
static const char * TraceID
Definition: XrdXrootdNormAio.hh:66
int Write(long long offs, int dlen) override
virtual ~XrdXrootdNormAio()
Definition: XrdXrootdNormAio.hh:58
void Read(long long offs, int dlen) override