XRootD
XrdCksXAttr.hh
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1 #ifndef __XRDCKSXATTR_HH__
2 #define __XRDCKSXATTR_HH__
3 /******************************************************************************/
4 /* */
5 /* X r d C k s X A t t r . h h */
6 /* */
7 /* (c) 2011 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 
33 #include <cinttypes>
34 #include <netinet/in.h>
35 #include <sys/types.h>
36 
37 #include "XrdCks/XrdCksData.hh"
38 #include "XrdSys/XrdSysPlatform.hh"
39 
40 /* XrdCksXAttr encapsulates the extended attributes needed to save a checksum.
41 */
42 
44 {
45 public:
46 
47 XrdCksData Cks; // Check sum information
48 
49 /* postGet() will put fmTime and csTime in host byte order (see preSet()).
50 */
51  int postGet(int Result)
52  {if (Result > 0)
53  {Cks.fmTime = ntohll(Cks.fmTime);
54  Cks.csTime = ntohl (Cks.csTime);
55  }
56  return Result;
57  }
58 
59 /* preSet() will put fmTime and csTime in network byte order to allow the
60  attribute to be copied to different architectures and still work.
61 */
63  {memcpy(&tmp.Cks, &Cks, sizeof(Cks));
64  tmp.Cks.fmTime = htonll(Cks.fmTime);
65  tmp.Cks.csTime = htonl (Cks.csTime);
66  return &tmp;
67  }
68 
69 /* Name() returns the extended attribute name for this object.
70 */
71  const char *Name() {if (!(*VarName)) //01234567
72  {strcpy(VarName, "XrdCks.");
73  strcpy(VarName+7, Cks.Name);
74  }
75  return VarName;
76  }
77 
78 /* sizeGet() and sizeSet() return the actual size of the object is used.
79 */
80  int sizeGet() {return sizeof(Cks);}
81  int sizeSet() {return sizeof(Cks);}
82 
83  XrdCksXAttr() {*VarName = 0;}
85 
86 private:
87 
88 char VarName[XrdCksData::NameSize+8];
89 };
90 #endif
static const int NameSize
Definition: XrdCksData.hh:41
char Name[NameSize]
Definition: XrdCksData.hh:44
int sizeGet()
Definition: XrdCksXAttr.hh:80
const char * Name()
Definition: XrdCksXAttr.hh:71
int sizeSet()
Definition: XrdCksXAttr.hh:81
XrdCksXAttr * preSet(XrdCksXAttr &tmp)
Definition: XrdCksXAttr.hh:62
int postGet(int Result)
Definition: XrdCksXAttr.hh:51
XrdCksData Cks
Definition: XrdCksXAttr.hh:47