XRootD
XrdXrootdPgrwAio.hh
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1 #ifndef __XRDXROOTDPGRWAIO_H__
2 #define __XRDXROOTDPGRWAIO_H__
3 /******************************************************************************/
4 /* */
5 /* X r d X r o o t d P g r w 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 XrdXrootdAioPgrw;
36 class XrdXrootdPgwBadCS;
37 
39 {
40 public:
41 
43  XrdXrootdResponse &resp,
44  XrdXrootdFile *fP,
45  XrdXrootdPgwBadCS *bcsP=0);
46 
47  void DoIt() override;
48 
49  void Read(long long offs, int dlen) override;
50 
51  void Recycle(bool release) override;
52 
53  int Write(long long offs, int dlen) override;
54 
55 static const int aioSZ = 64*1024; // 64K I/O size
56 
57 private:
58 
59  XrdXrootdPgrwAio() : XrdXrootdAioTask("pgaio request") {}
60 virtual ~XrdXrootdPgrwAio() {}
61 
62  bool CopyF2L_Add2Q(XrdXrootdAioPgrw *aioP=0);
63  void CopyF2L() override;
64  int CopyL2F() override;
65  bool CopyL2F(XrdXrootdAioBuff *bP) override;
66  bool SendData(XrdXrootdAioBuff *bP, bool final=false);
67  int SendDone();
68  bool VerCks(XrdXrootdAioPgrw *aioP);
69 
70 static const char *TraceID;
71 
72  XrdXrootdPgwBadCS *badCSP; // -> Bad checksum recorder
73 };
74 #endif
static const int aioSZ
void DoIt() override
void Read(long long offs, int dlen) override
static XrdXrootdPgrwAio * Alloc(XrdXrootdProtocol *protP, XrdXrootdResponse &resp, XrdXrootdFile *fP, XrdXrootdPgwBadCS *bcsP=0)
int Write(long long offs, int dlen) override
void Recycle(bool release) override