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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| /******************************************************************************/ | ||
| /* */ | ||
| /* X r d S s i L o g g i n g . c c */ | ||
| /* */ | ||
| /* (c) 2016 by the Board of Trustees of the Leland Stanford, Jr., University */ | ||
| /* Produced by Andrew Hanushevsky for Stanford University under contract */ | ||
| /* DE-AC02-76-SFO0515 with the Deprtment 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. */ | ||
| /******************************************************************************/ | ||
|
|
||
| #include <fcntl.h> | ||
| #include <iostream> | ||
| #include <stdio.h> | ||
| #include <stdarg.h> | ||
| #include <sys/types.h> | ||
| #include <sys/stat.h> | ||
|
|
||
| #include "XrdVersion.hh" | ||
| #include "XrdOuc/XrdOucEnv.hh" | ||
| #include "XrdOuc/XrdOucStream.hh" | ||
| #include "XrdSsi/XrdSsiLogger.hh" | ||
| #include "XrdSys/XrdSysLogPI.hh" | ||
| #include "XrdSys/XrdSysPlugin.hh" | ||
|
|
||
| /******************************************************************************/ | ||
| /* G l o b a l O b j e c t s */ | ||
| /******************************************************************************/ | ||
|
|
||
| namespace XrdSsi | ||
| { | ||
| extern XrdSsiLogger::MCB_t *msgCB; | ||
| } | ||
|
|
||
| using namespace std; | ||
| using namespace XrdSsi; | ||
|
|
||
| /******************************************************************************/ | ||
| /* L o g P l u g i n H o o k s */ | ||
| /******************************************************************************/ | ||
| /******************************************************************************/ | ||
| /* C o n f i g L o g */ | ||
| /******************************************************************************/ | ||
|
|
||
| namespace | ||
| { | ||
| void ConfigLog(const char *cFN) | ||
| { | ||
| XrdVERSIONINFODEF(myVersion, ssi, XrdVNUMBER, XrdVERSION); | ||
| const char *lName; | ||
| char eBuff[2048], *var, *val, **lDest, *logPath = 0, *svcPath = 0; | ||
| XrdSysPlugin *myLib; | ||
| XrdSsiLogger::MCB_t **theCB; | ||
| XrdOucEnv myEnv; | ||
| XrdOucStream cStrm(0, getenv("XRDINSTANCE"), &myEnv, "=====> "); | ||
| int cfgFD, retc, NoGo = 0; | ||
|
|
||
| // Try to open the configuration file. | ||
| // | ||
| if ((cfgFD = open(cFN, O_RDONLY, 0)) < 0) | ||
| {cerr <<"Config " <<strerror(errno) <<" opening " <<cFN <<endl; | ||
| return; | ||
| } | ||
| cStrm.Attach(cfgFD); | ||
|
|
||
| // Now start reading records until eof. | ||
| // | ||
| while((var = cStrm.GetMyFirstWord())) | ||
| { if (!strcmp(var, "ssi.loglib")) {lDest = &logPath; lName = "log";} | ||
| else if (!strcmp(var, "ssi.svclib")) {lDest = &svcPath; lName = "svc";} | ||
| else continue; | ||
| if (!(val = cStrm.GetWord()) || !val[0]) | ||
| {cerr <<"Config "<<lName<<"lib path not specified."<<endl; NoGo=1;} | ||
| else {if (*lDest) free(*lDest); | ||
| *lDest = strdup(val); | ||
| } | ||
| } | ||
|
|
||
| // Now check if any errors occured during file i/o | ||
| // | ||
| if ((retc = cStrm.LastError())) | ||
| {cerr <<"Config " <<strerror(-retc) <<" reading " <<cFN <<endl; | ||
| NoGo = 1; | ||
| } | ||
| cStrm.Close(); | ||
|
|
||
| // If we don't have a loglib then revert to using svclib | ||
| // | ||
| if (!logPath) {logPath = svcPath; svcPath = 0; lName = "svclib";} | ||
| else lName = "loglib"; | ||
|
|
||
| // Check if we have a logPath (we must) | ||
| // | ||
| if (!NoGo && !logPath) | ||
| {cerr <<"Config neither ssi.loglib nor ssi.svclib directive specified in " | ||
| <<cFN <<endl; | ||
| return; | ||
| } | ||
|
|
||
| // Create a plugin object | ||
| // | ||
| if (!(myLib = new XrdSysPlugin(eBuff, sizeof(eBuff), logPath, lName, | ||
| &myVersion))) | ||
| {cerr <<"Config " <<eBuff <<endl; | ||
| return; | ||
| } | ||
|
|
||
| // Now get the entry point of the message callback function if the dynamic | ||
| // initialization of the plugin library hasn't already set it. | ||
| // | ||
| if (!msgCB) | ||
| {theCB = (XrdSsiLogger::MCB_t **)(myLib->getPlugin("XrdSsiLoggerMCB")); | ||
| if (!msgCB && !theCB) cerr <<"Config " <<eBuff <<endl; | ||
| else {if (!msgCB) msgCB = *theCB; | ||
| myLib->Persist(); | ||
| } | ||
| } | ||
| else myLib->Persist(); | ||
|
|
||
| // All done | ||
| // | ||
| delete myLib; | ||
| } | ||
| } | ||
|
|
||
| /******************************************************************************/ | ||
| /* X r d S y s L o g P I n i t */ | ||
| /******************************************************************************/ | ||
|
|
||
| extern "C" | ||
| { | ||
| XrdSysLogPI_t XrdSysLogPInit(const char *cfgfn, char **argv, int argc) | ||
| {if (cfgfn && *cfgfn) ConfigLog(cfgfn); | ||
| if (!msgCB) | ||
| cerr <<"Config '-l@' requires a logmsg callback function " | ||
| <<"but it was found!" <<endl; | ||
| return msgCB; | ||
| } | ||
| } | ||
|
|
||
| XrdVERSIONINFO(XrdSysLogPInit,XrdSsiLPI); |