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XrdOssSpace.hh
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#ifndef _OSS_SPACE_H
#define _OSS_SPACE_H
/******************************************************************************/
/* */
/* X r d O s s S p a c e . h h */
/* */
/* (c) 2008 by the Board of Trustees of the Leland Stanford, Jr., University */
/* All Rights Reserved */
/* Produced by Andrew Hanushevsky for Stanford University under contract */
/* DE-AC02-76-SFO0515 with the Department of Energy */
/* */
/* This file is part of the XRootD software suite. */
/* */
/* XRootD is free software: you can redistribute it and/or modify it under */
/* the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation, either version 3 of the License, or (at your */
/* option) any later version. */
/* */
/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
/* */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without */
/* specific prior written permission of the institution or contributor. */
/******************************************************************************/
class XrdSysError;
class XrdOssSpace
{
public:
friend class XrdOssCache;
enum sType {Serv = 0, Pstg = 1, Purg = 2, Admin = 3,
RsvA = 4, RsvB = 5, RsvC = 6, addT = 7,
Totn = 8};
static const int maxSNlen = 63; // Maximum space name length (+1 for null)
static const int minSNbsz = 64;
static void Adjust(int Gent, off_t Space, sType=Serv);
static void Adjust(const char *GName, off_t Space, sType=Serv);
static const int haveUsage = 1;
static const int haveQuota = 2;
static int Init(); // Return the "or" of havexxxx (above)
static int Init(const char *aPath,const char *qFile,int isSOL,int us=0);
static int Quotas();
static int Unassign(const char *GName);
static long long Usage(int gent);
struct uEnt {char gName[minSNbsz];
long long Bytes[Totn]; // One of sType, above
};
static long long Usage(const char *GName, struct uEnt &uVal, int rrd=0);
XrdOssSpace() {} // Everything is static
~XrdOssSpace() {} // Never gets deleted
private:
static int Assign(const char *GName, long long &bytesUsed);
static int findEnt(const char *GName);
static int Readjust();
static int Readjust(int);
static int UsageLock(int Dolock=1);
static const int ULen = sizeof(long long);
static const int DataSz = 16384;
static const int maxEnt = DataSz/sizeof(uEnt);
static const char *qFname;
static const char *uFname;
static const char *uUname;
static uEnt uData[maxEnt];
static short uDvec[maxEnt];
static time_t lastMtime;
static time_t lastUtime;
static int fencEnt;
static int freeEnt;
static int aFD;
static int uSync;
static int uAdj;
static int Solitary;
};
#endif
XrdOssSpace::Usage
static long long Usage(int gent)
Definition XrdOssSpace.cc:521
XrdOssSpace::XrdOssCache
friend class XrdOssCache
Definition XrdOssSpace.hh:38
XrdOssSpace::uEnt::gName
char gName[minSNbsz]
Definition XrdOssSpace.hh:64
XrdOssSpace::Init
static int Init()
Definition XrdOssSpace.cc:224
XrdOssSpace::sType
sType
Definition XrdOssSpace.hh:40
XrdOssSpace::RsvC
@ RsvC
Definition XrdOssSpace.hh:41
XrdOssSpace::Serv
@ Serv
Definition XrdOssSpace.hh:40
XrdOssSpace::RsvA
@ RsvA
Definition XrdOssSpace.hh:41
XrdOssSpace::Purg
@ Purg
Definition XrdOssSpace.hh:40
XrdOssSpace::Totn
@ Totn
Definition XrdOssSpace.hh:42
XrdOssSpace::RsvB
@ RsvB
Definition XrdOssSpace.hh:41
XrdOssSpace::Pstg
@ Pstg
Definition XrdOssSpace.hh:40
XrdOssSpace::addT
@ addT
Definition XrdOssSpace.hh:41
XrdOssSpace::Admin
@ Admin
Definition XrdOssSpace.hh:40
XrdOssSpace::minSNbsz
static const int minSNbsz
Definition XrdOssSpace.hh:45
XrdOssSpace::uEnt::Bytes
long long Bytes[Totn]
Definition XrdOssSpace.hh:65
XrdOssSpace::haveQuota
static const int haveQuota
Definition XrdOssSpace.hh:52
XrdOssSpace::XrdOssSpace
XrdOssSpace()
Definition XrdOssSpace.hh:70
XrdOssSpace::~XrdOssSpace
~XrdOssSpace()
Definition XrdOssSpace.hh:71
XrdOssSpace::haveUsage
static const int haveUsage
Definition XrdOssSpace.hh:51
XrdOssSpace::Adjust
static void Adjust(int Gent, off_t Space, sType=Serv)
Definition XrdOssSpace.cc:81
XrdOssSpace::Quotas
static int Quotas()
Definition XrdOssSpace.cc:345
XrdOssSpace::Unassign
static int Unassign(const char *GName)
Definition XrdOssSpace.cc:486
XrdOssSpace::maxSNlen
static const int maxSNlen
Definition XrdOssSpace.hh:44
XrdOssSpace::uEnt
Definition XrdOssSpace.hh:64
XrdSysError
Definition XrdSysError.hh:90