xrootd
XrdOssCsiTagstore.hh
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1 #ifndef _XRDOSSCSITAGSTORE_H
2 #define _XRDOSSCSITAGSTORE_H
3 /******************************************************************************/
4 /* */
5 /* X r d O s s C s i T a g s t o r e . h h */
6 /* */
7 /* (C) Copyright 2020 CERN. */
8 /* */
9 /* This file is part of the XRootD software suite. */
10 /* */
11 /* XRootD is free software: you can redistribute it and/or modify it under */
12 /* the terms of the GNU Lesser General Public License as published by the */
13 /* Free Software Foundation, either version 3 of the License, or (at your */
14 /* option) any later version. */
15 /* */
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18 /* Organization or submit itself to any jurisdiction. */
19 /* */
20 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */
21 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
22 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
23 /* License for more details. */
24 /* */
25 /* You should have received a copy of the GNU Lesser General Public License */
26 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
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30 /* be used to endorse or promote products derived from this software without */
31 /* specific prior written permission of the institution or contributor. */
32 /******************************************************************************/
33 
34 #include "XrdOss/XrdOss.hh"
35 
37 {
38 public:
39 
40  virtual ~XrdOssCsiTagstore() { }
41 
42  virtual int Open(const char *, off_t, int, XrdOucEnv &)=0;
43  virtual int Close()=0;
44 
45  virtual void Flush()=0;
46  virtual int Fsync()=0;
47 
48  virtual ssize_t WriteTags(const uint32_t *, off_t, size_t)=0;
49  virtual ssize_t ReadTags(uint32_t *, off_t, size_t)=0;
50 
51  virtual off_t GetTrackedTagSize() const=0;
52  virtual off_t GetTrackedDataSize() const=0;
53  virtual bool IsVerified() const=0;
54 
55  virtual int SetTrackedSize(off_t)=0;
56  virtual int SetUnverified()=0;
57  virtual int ResetSizes(off_t)=0;
58  virtual int Truncate(off_t,bool)=0;
59 
60  // if this flag is set in the header, it indicates the tags
61  // are for verified checksums.
62  // if it is unset it means the tags are unverified
63  static const uint32_t csVer = 0x00000001;
64 };
65 
66 #endif
virtual void Flush()=0
static const uint32_t csVer
Definition: XrdOssCsiTagstore.hh:63
virtual ssize_t WriteTags(const uint32_t *, off_t, size_t)=0
virtual ssize_t ReadTags(uint32_t *, off_t, size_t)=0
virtual int SetTrackedSize(off_t)=0
virtual int Fsync()=0
Definition: XrdOssCsiTagstore.hh:36
virtual ~XrdOssCsiTagstore()
Definition: XrdOssCsiTagstore.hh:40
Definition: XrdOucEnv.hh:41
virtual off_t GetTrackedTagSize() const =0
virtual int Close()=0
virtual off_t GetTrackedDataSize() const =0
virtual int Truncate(off_t, bool)=0
virtual int SetUnverified()=0
virtual bool IsVerified() const =0
virtual int Open(const char *, off_t, int, XrdOucEnv &)=0
virtual int ResetSizes(off_t)=0