#ifndef __XRDCnsLogFile_H_ #define __XRDCnsLogFile_H_ /******************************************************************************/ /* */ /* X r d C n s L o g F i l e . h h */ /* */ /* (c) 2009 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 "XrdCns/XrdCnsLogRec.hh" #include "XrdSys/XrdSysPthread.hh" class XrdCnsLogFile { public: XrdCnsLogFile *Next; int Add(XrdCnsLogRec *Rec, int doSync=1); int Commit(); int Eol(); const char *FName() {return logFN;} char *getLog(int &Dlen) {Dlen = logNext-logBuff; return logBuff;} XrdCnsLogRec *getRec(); static void maxRecs(int nRecs) {logRMax = nRecs; logBMax = nRecs * sizeof(XrdCnsLogRec); } int Open(int aBuff=1, off_t thePos=0); XrdCnsLogFile *Subscribe(const char *Path, int cNum); int Unlink(); XrdCnsLogFile(const char *Path, int cnum=0, int Wait=1) : Next(0), logSem(0), subNext(0), logBuff(0),logNext(0), logFN(strdup(Path)), logFD(-1), logRdr(cnum), logWait(Wait), logOffset(0), recOffset(0) {} ~XrdCnsLogFile(); private: int Read(char *buff, int blen); static int logRMax; static int logBMax; XrdSysMutex logMutex; XrdSysSemaphore logSem; XrdSysSemaphore synSem; XrdCnsLogFile *subNext; XrdCnsLogRec Rec; char *logBuff; char *logNext; char *logFN; int logFD; int logRdr; int logWait; int logOffset; int recOffset; }; #endif