/******************************************************************************/ /* */ /* X r d C k s M a n O s s . c c */ /* */ /* (c) 2014 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. */ /******************************************************************************/ #include #include #include #include #include #include #include #include #include #include "XrdCks/XrdCksCalc.hh" #include "XrdCks/XrdCksManOss.hh" #include "XrdOss/XrdOss.hh" #include "XrdOuc/XrdOucEnv.hh" #include "XrdSys/XrdSysError.hh" /******************************************************************************/ /* L o c a l S t a t i c s */ /******************************************************************************/ namespace { XrdOss *ossP = 0; int rdSz = 67108864; } /******************************************************************************/ /* L o c a l C l a s s e s */ /******************************************************************************/ class LfnPfn {public: const char *Lfn; char Pfn[MAXPATHLEN+8]; LfnPfn(const char *lfn, int &rc) : Lfn(lfn) {rc = ossP->Lfn2Pfn(lfn, Pfn, MAXPATHLEN); if (rc > 0) rc = -rc; } ~LfnPfn() {} }; namespace { const char *Pfn2Lfn(const char *Lfn) {LfnPfn *Xfn = (LfnPfn *)(Lfn-sizeof(const char *)); return Xfn->Lfn; } } /******************************************************************************/ /* C o n s t r u c t o r */ /******************************************************************************/ XrdCksManOss::XrdCksManOss(XrdOss *ossX, XrdSysError *erP, int iosz, XrdVersionInfo &vInfo, bool autoload) : XrdCksManager(erP, rdSz, vInfo, autoload) {if (rdSz <= 65536) rdSz = 67108864; else rdSz = ((rdSz/65536) + (rdSz%65536 != 0)) * 65536; eDest = erP; ossP = ossX; } /******************************************************************************/ /* C a l c */ /******************************************************************************/ int XrdCksManOss::Calc(const char *Lfn, XrdCksData &Cks, int doSet) { int rc; LfnPfn Xfn(Lfn, rc); // If lfn conversion failed, bail out // if (rc) return rc; // Return the result // return XrdCksManager::Calc(Xfn.Pfn, Cks, doSet); } /******************************************************************************/ int XrdCksManOss::Calc(const char *Pfn, time_t &MTime, XrdCksCalc *csP) { class inFile {public: XrdOssDF *fP; inFile() {fP = ossP->newFile("ckscalc");} ~inFile() {if (fP) delete fP;} } In; XrdOucEnv openEnv; const char *Lfn = Pfn2Lfn(Pfn); struct stat Stat; char *buffP; off_t Offset=0, fileSize; size_t ioSize, calcSize; int rc; // Open the input file // if ((rc = In.fP->Open(Lfn,O_RDONLY,0,openEnv))) return (rc > 0 ? -rc : rc); // Get the file characteristics // if ((rc = In.fP->Fstat(&Stat))) return (rc > 0 ? -rc : rc); if (!(Stat.st_mode & S_IFREG)) return -EPERM; calcSize = fileSize = Stat.st_size; MTime = Stat.st_mtime; // Compute read size and allocate a buffer // ioSize = (fileSize < (off_t)rdSz ? fileSize : rdSz); rc = 0; buffP = (char *)malloc(ioSize); if (!buffP) return -ENOMEM; // We now compute checksum 64MB at a time using mmap I/O // while(calcSize) {if ((rc= In.fP->Read(buffP, Offset, ioSize)) < 0) break; csP->Update(buffP, ioSize); calcSize -= ioSize; Offset += ioSize; if (calcSize < (size_t)ioSize) ioSize = calcSize; } // Issue error message if we have an error // if (rc < 0) eDest->Emsg("Cks", rc, "read", Pfn); // Return // return (rc < 0 ? rc : 0); } /******************************************************************************/ /* D e l */ /******************************************************************************/ int XrdCksManOss::Del(const char *Lfn, XrdCksData &Cks) { int rc; LfnPfn Xfn(Lfn, rc); // If lfn conversion failed, bail out // if (rc) return rc; // Delete the attribute and return the result // return XrdCksManager::Del(Xfn.Pfn, Cks); } /******************************************************************************/ /* G e t */ /******************************************************************************/ int XrdCksManOss::Get(const char *Lfn, XrdCksData &Cks) { int rc; LfnPfn Xfn(Lfn, rc); // If lfn conversion failed, bail out // if (rc) return rc; // Return result // return XrdCksManager::Get(Xfn.Pfn, Cks); } /******************************************************************************/ /* L i s t */ /******************************************************************************/ char *XrdCksManOss::List(const char *Lfn, char *Buff, int Blen, char Sep) { int rc; LfnPfn Xfn(Lfn, rc); // If lfn conversion failed, bail out // if (rc) return 0; // Simply invoke the base class list // return XrdCksManager::List(Xfn.Pfn, Buff, Blen,Sep); } /******************************************************************************/ /* M o d T i m e */ /******************************************************************************/ int XrdCksManOss::ModTime(const char *Pfn, time_t &MTime) { const char *Lfn = Pfn2Lfn(Pfn); struct stat Stat; int rc; if (!(rc = ossP->Stat(Lfn, &Stat))) MTime = Stat.st_mtime; return (rc > 0 ? -rc : 0); } /******************************************************************************/ /* S e t */ /******************************************************************************/ int XrdCksManOss::Set(const char *Lfn, XrdCksData &Cks, int myTime) { int rc; LfnPfn Xfn(Lfn, rc); // If lfn conversion failed, bail out // if (rc) return rc; // Now set the checksum information in the extended attribute object // return XrdCksManager::Set(Xfn.Pfn, Cks, myTime); } /******************************************************************************/ /* V e r */ /******************************************************************************/ int XrdCksManOss::Ver(const char *Lfn, XrdCksData &Cks) { int rc; LfnPfn Xfn(Lfn, rc); // If lfn conversion failed, bail out // if (rc) return rc; // Return result invoking the base class // return XrdCksManager::Ver(Lfn, Cks); }