xrootd
XrdOssSpace.hh
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1 #ifndef _OSS_SPACE_H
2 #define _OSS_SPACE_H
3 /******************************************************************************/
4 /* */
5 /* X r d O s s S p a c e . h h */
6 /* */
7 /* (c) 2008 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 class XrdSysError;
34 
36 {
37 public:
38 friend class XrdOssCache;
39 
40  enum sType {Serv = 0, Pstg = 1, Purg = 2, Admin = 3,
41  RsvA = 4, RsvB = 5, RsvC = 6, addT = 7,
42  Totn = 8};
43 
44 static const int maxSNlen = 63; // Maximum space name length (+1 for null)
45 static const int minSNbsz = 64;
46 
47 static void Adjust(int Gent, off_t Space, sType=Serv);
48 
49 static void Adjust(const char *GName, off_t Space, sType=Serv);
50 
51 static const int haveUsage = 1;
52 static const int haveQuota = 2;
53 
54 static int Init(); // Return the "or" of havexxxx (above)
55 
56 static int Init(const char *aPath,const char *qFile,int isSOL,int us=0);
57 
58 static int Quotas();
59 
60 static int Unassign(const char *GName);
61 
62 static long long Usage(int gent);
63 
64 struct uEnt {char gName[minSNbsz];
65  long long Bytes[Totn]; // One of sType, above
66  };
67 
68 static long long Usage(const char *GName, struct uEnt &uVal, int rrd=0);
69 
70  XrdOssSpace() {} // Everything is static
71  ~XrdOssSpace() {} // Never gets deleted
72 
73 private:
74 
75 static int Assign(const char *GName, long long &bytesUsed);
76 static int findEnt(const char *GName);
77 static int Readjust();
78 static int Readjust(int);
79 static int UsageLock(int Dolock=1);
80 
81 static const int ULen = sizeof(long long);
82 static const int DataSz = 16384;
83 static const int maxEnt = DataSz/sizeof(uEnt);
84 
85 static const char *qFname;
86 static const char *uFname;
87 static const char *uUname;
88 static uEnt uData[maxEnt];
89 static short uDvec[maxEnt];
90 static time_t lastMtime;
91 static time_t lastUtime;
92 static int fencEnt;
93 static int freeEnt;
94 static int aFD;
95 static int uSync;
96 static int uAdj;
97 static int Solitary;
98 };
99 #endif
XrdOssSpace::Unassign
static int Unassign(const char *GName)
XrdOssSpace::Usage
static long long Usage(const char *GName, struct uEnt &uVal, int rrd=0)
XrdOssSpace::~XrdOssSpace
~XrdOssSpace()
Definition: XrdOssSpace.hh:71
XrdOssSpace::haveUsage
static const int haveUsage
Definition: XrdOssSpace.hh:51
XrdOssSpace::UsageLock
static int UsageLock(int Dolock=1)
XrdOssSpace::freeEnt
static int freeEnt
Definition: XrdOssSpace.hh:93
XrdOssSpace::maxEnt
static const int maxEnt
Definition: XrdOssSpace.hh:83
XrdOssSpace::uDvec
static short uDvec[maxEnt]
Definition: XrdOssSpace.hh:89
XrdOssSpace::Adjust
static void Adjust(const char *GName, off_t Space, sType=Serv)
XrdOssSpace::uData
static uEnt uData[maxEnt]
Definition: XrdOssSpace.hh:88
XrdOssSpace::uFname
static const char * uFname
Definition: XrdOssSpace.hh:86
XrdOssSpace::RsvC
@ RsvC
Definition: XrdOssSpace.hh:41
XrdOssSpace::haveQuota
static const int haveQuota
Definition: XrdOssSpace.hh:52
XrdOssSpace::Serv
@ Serv
Definition: XrdOssSpace.hh:40
XrdOssSpace::Purg
@ Purg
Definition: XrdOssSpace.hh:40
XrdOssSpace::Readjust
static int Readjust(int)
XrdOssSpace::findEnt
static int findEnt(const char *GName)
XrdOssCache
Definition: XrdOssCache.hh:213
XrdOssSpace::RsvB
@ RsvB
Definition: XrdOssSpace.hh:41
XrdOssSpace::fencEnt
static int fencEnt
Definition: XrdOssSpace.hh:92
XrdOssSpace::sType
sType
Definition: XrdOssSpace.hh:40
XrdOssSpace::minSNbsz
static const int minSNbsz
Definition: XrdOssSpace.hh:45
XrdOssSpace::qFname
static const char * qFname
Definition: XrdOssSpace.hh:85
XrdOssSpace::uEnt::Bytes
long long Bytes[Totn]
Definition: XrdOssSpace.hh:65
XrdOssSpace::Readjust
static int Readjust()
XrdOssSpace::RsvA
@ RsvA
Definition: XrdOssSpace.hh:41
XrdOssSpace::Quotas
static int Quotas()
XrdOssSpace::lastMtime
static time_t lastMtime
Definition: XrdOssSpace.hh:90
XrdOssSpace::Pstg
@ Pstg
Definition: XrdOssSpace.hh:40
XrdOssSpace::uAdj
static int uAdj
Definition: XrdOssSpace.hh:96
XrdOssSpace::DataSz
static const int DataSz
Definition: XrdOssSpace.hh:82
XrdOssSpace::Solitary
static int Solitary
Definition: XrdOssSpace.hh:97
XrdOssSpace::Init
static int Init()
XrdOssSpace::XrdOssSpace
XrdOssSpace()
Definition: XrdOssSpace.hh:70
XrdOssSpace::maxSNlen
static const int maxSNlen
Definition: XrdOssSpace.hh:44
XrdOssSpace::uUname
static const char * uUname
Definition: XrdOssSpace.hh:87
XrdOssSpace::aFD
static int aFD
Definition: XrdOssSpace.hh:94
XrdOssSpace::addT
@ addT
Definition: XrdOssSpace.hh:41
XrdOssSpace::lastUtime
static time_t lastUtime
Definition: XrdOssSpace.hh:91
XrdOssSpace::Usage
static long long Usage(int gent)
XrdOssSpace
Definition: XrdOssSpace.hh:36
XrdOssSpace::Assign
static int Assign(const char *GName, long long &bytesUsed)
XrdOssSpace::Adjust
static void Adjust(int Gent, off_t Space, sType=Serv)
XrdOssSpace::uSync
static int uSync
Definition: XrdOssSpace.hh:95
XrdOssSpace::ULen
static const int ULen
Definition: XrdOssSpace.hh:81
XrdSysError
Definition: XrdSysError.hh:90
XrdOssSpace::Admin
@ Admin
Definition: XrdOssSpace.hh:40
XrdOssSpace::Init
static int Init(const char *aPath, const char *qFile, int isSOL, int us=0)
XrdOssSpace::uEnt::gName
char gName[minSNbsz]
Definition: XrdOssSpace.hh:64
XrdOssSpace::uEnt
Definition: XrdOssSpace.hh:64
XrdOssSpace::Totn
@ Totn
Definition: XrdOssSpace.hh:42