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XrdCnsLogFile.hh
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1 #ifndef __XRDCnsLogFile_H_
2 #define __XRDCnsLogFile_H_
3 /******************************************************************************/
4 /* */
5 /* X r d C n s L o g F i l e . h h */
6 /* */
7 /* (c) 2009 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. */
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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 */
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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 #include "XrdCns/XrdCnsLogRec.hh"
34 #include "XrdSys/XrdSysPthread.hh"
35 
37 {
38 public:
39 
41 
42 int Add(XrdCnsLogRec *Rec, int doSync=1);
43 
44 int Commit();
45 
46 int Eol();
47 
48 const char *FName() {return logFN;}
49 
50 char *getLog(int &Dlen) {Dlen = logNext-logBuff; return logBuff;}
51 
53 
54 static void maxRecs(int nRecs) {logRMax = nRecs;
55  logBMax = nRecs * sizeof(XrdCnsLogRec);
56  }
57 
58 int Open(int aBuff=1, off_t thePos=0);
59 
60 XrdCnsLogFile *Subscribe(const char *Path, int cNum);
61 
62 int Unlink();
63 
64  XrdCnsLogFile(const char *Path, int cnum=0, int Wait=1)
65  : Next(0), logSem(0), subNext(0),
66  logBuff(0),logNext(0), logFN(strdup(Path)),
67  logFD(-1), logRdr(cnum), logWait(Wait),
68  logOffset(0), recOffset(0) {}
70 
71 private:
72 int Read(char *buff, int blen);
73 
74 static int logRMax;
75 static int logBMax;
76 
81 
83 
84 char *logBuff;
85 char *logNext;
86 
87 char *logFN;
88 int logFD;
89 int logRdr;
90 int logWait;
93 };
94 #endif
static int logBMax
Definition: XrdCnsLogFile.hh:75
XrdSysSemaphore logSem
Definition: XrdCnsLogFile.hh:78
int recOffset
Definition: XrdCnsLogFile.hh:92
XrdCnsLogFile * Subscribe(const char *Path, int cNum)
char * logNext
Definition: XrdCnsLogFile.hh:85
int Read(char *buff, int blen)
int logWait
Definition: XrdCnsLogFile.hh:90
const char * FName()
Definition: XrdCnsLogFile.hh:48
int Open(int aBuff=1, off_t thePos=0)
XrdCnsLogFile(const char *Path, int cnum=0, int Wait=1)
Definition: XrdCnsLogFile.hh:64
Definition: XrdCnsLogFile.hh:36
int logRdr
Definition: XrdCnsLogFile.hh:89
char * logBuff
Definition: XrdCnsLogFile.hh:84
int logOffset
Definition: XrdCnsLogFile.hh:91
XrdCnsLogRec Rec
Definition: XrdCnsLogFile.hh:82
static int logRMax
Definition: XrdCnsLogFile.hh:74
Definition: XrdSysPthread.hh:165
int Add(XrdCnsLogRec *Rec, int doSync=1)
XrdCnsLogRec * getRec()
int logFD
Definition: XrdCnsLogFile.hh:88
Definition: XrdSysPthread.hh:403
static void maxRecs(int nRecs)
Definition: XrdCnsLogFile.hh:54
Definition: XrdCnsLogRec.hh:43
XrdCnsLogFile * subNext
Definition: XrdCnsLogFile.hh:80
XrdCnsLogFile * Next
Definition: XrdCnsLogFile.hh:40
XrdSysSemaphore synSem
Definition: XrdCnsLogFile.hh:79
XrdSysMutex logMutex
Definition: XrdCnsLogFile.hh:77
char * getLog(int &Dlen)
Definition: XrdCnsLogFile.hh:50
char * logFN
Definition: XrdCnsLogFile.hh:87