#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 . */ /* */ /* 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: 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 int Assign(const char *GName, long long &bytesUsed); 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); static int Quotas(); static int Readjust(); static void Refresh(); static int Unassign(const char *GName); static long long Usage(int gent) {return (gent < 0 || gent >= maxEnt ? 0 : uData[gent].Bytes[Serv]);} XrdOssSpace() {} // Everything is static ~XrdOssSpace() {} // Never gets deleted 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); private: static int findEnt(const char *GName); 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 uEnt uData[maxEnt]; static short uDvec[maxEnt]; static time_t lastMtime; static int fencEnt; static int freeEnt; static int aFD; static int Solitary; }; #endif