(file) Return to TraceFileHandlerPOSIX.cpp CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / Common

  1 mike  1.2 //%2006////////////////////////////////////////////////////////////////////////
  2           //
  3           // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
  4           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
  5           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
  6           // IBM Corp.; EMC Corporation, The Open Group.
  7           // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
  9           // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 10           // EMC Corporation; VERITAS Software Corporation; The Open Group.
 11           // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 12           // EMC Corporation; Symantec Corporation; The Open Group.
 13           //
 14           // Permission is hereby granted, free of charge, to any person obtaining a copy
 15           // of this software and associated documentation files (the "Software"), to
 16           // deal in the Software without restriction, including without limitation the
 17           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 18           // sell copies of the Software, and to permit persons to whom the Software is
 19           // furnished to do so, subject to the following conditions:
 20           // 
 21           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 22 mike  1.2 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 23           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 24           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 25           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 26           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 27           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 28           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 29           //
 30           //==============================================================================
 31           //
 32           // Author: Sushma Fernandes, Hewlett-Packard Company (sushma_fernandes@hp.com)
 33           //
 34           // Modified By: Amit K Arora, IBM (amita@in.ibm.com) for Bug#1527
 35           //              Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
 36           //              David Dillard, VERITAS Software Corp.
 37           //                  (david.dillard@veritas.com)
 38           //
 39           //%/////////////////////////////////////////////////////////////////////////////
 40           
 41           #if defined(PEGASUS_OS_VMS)
 42           # include <fcntl.h>
 43 mike  1.2 #endif
 44           #include <Pegasus/Common/Logger.h>
 45           #include <Pegasus/Common/System.h>
 46           #include <Pegasus/Common/TraceFileHandler.h>
 47           #include <Pegasus/Common/Mutex.h>
 48           
 49           PEGASUS_USING_STD;
 50           
 51 kumpf 1.3 PEGASUS_NAMESPACE_BEGIN
 52           
 53           static Mutex writeMutex;
 54           PEGASUS_FORK_SAFE_MUTEX(writeMutex);
 55 mike  1.2 
 56           ///////////////////////////////////////////////////////////////////////////////
 57           //  Writes message to file. Locks the file before writing to it
 58           //  Implementation of this function is platform specific
 59           ///////////////////////////////////////////////////////////////////////////////
 60           
 61           #if defined(PEGASUS_OS_VMS)
 62           
 63           void TraceFileHandler::handleMessage(
 64               const char *message,
 65               const char *fmt, va_list argList)
 66           {
 67               Sint32 retCode;
 68               Sint32 fileDesc;
 69           
 70               // Do not add Trace calls in the Critical section
 71               // ---- BEGIN CRITICAL SECTION
 72           
 73               // Check if the file has been deleted, if so re-open the file and
 74               // continue
 75               if (!System::exists(_fileName))
 76 mike  1.2     {
 77                   if (_fileHandle == 0)
 78                   {
 79                       _fileHandle = fopen(_fileName, "a+", "shr=get,put,upd");
 80                       // _fileHandle = fopen(_fileName,"a","shr=get");
 81                   }
 82                   else
 83                   {
 84                       _fileHandle =
 85                           freopen(_fileName, "a+", _fileHandle, "shr=get,put,upd");
 86                       // _fileHandle = freopen(_fileName,"a",_fileHandle,"shr=get");
 87                   }
 88                   if (!_fileHandle)
 89                   {
 90                       // Unable to re-open file, log a message
 91           
 92                       Logger::put_l(Logger::DEBUG_LOG, System::CIMSERVER,
 93                                     Logger::WARNING,
 94                                     "Common.TraceFileHandlerVms.FAILED_TO_OPEN_FILE",
 95                                     "Failed to open File $0", _fileName);
 96                       return;
 97 mike  1.2         }
 98           
 99                   // Set permissions on the trace file to 0400
100           
101                   if (!FileSystem::
102                       changeFilePermissions(String(_fileName), (S_IRUSR | S_IWUSR)))
103                   {
104                       Logger::put_l(Logger::DEBUG_LOG, "Tracer", Logger::WARNING,
105                                     "Common.TraceFileHandlerVms.FAILED_TO_SET_FILE_PERMISSIONS",
106                                     "Failed to set permissions on file $0", _fileName);
107                       return;
108                   }
109               }
110           
111               // Seek to the end of File
112           
113               retCode = fseek(_fileHandle, 0, SEEK_END);
114           
115               // Write the message to the file
116           
117               retCode = fprintf(_fileHandle, "%s", message);
118 mike  1.2     retCode = vfprintf(_fileHandle, fmt, argList);
119               retCode = fprintf(_fileHandle, "\n");
120               retCode = fflush(_fileHandle);
121               fileDesc = fileno(_fileHandle);
122               retCode = fsync(fileDesc);
123               _wroteToLog = false;
124               // retCode = fclose(_fileHandle);
125               // _fileHandle = 0;
126           
127               // ---- END CRITICAL SECTION
128           
129               return;
130           }
131           
132           #else /* PEGASUS_OS_VMS */
133           
134           void TraceFileHandler::handleMessage(
135               const char *message,
136               const char *fmt, va_list argList)
137           {
138               if (!_fileHandle)
139 mike  1.2     {
140                   // The trace file is not open, which means an earlier fopen() was
141                   // unsuccessful.  Stop now to avoid logging duplicate error messages.
142                   return;
143               }
144           
145               // Do not add Trace calls in the Critical section
146               // ---- BEGIN CRITICAL SECTION
147               AutoMutex writeLock(writeMutex);
148           
149               // If the file has been deleted, re-open it and continue
150               if (!System::exists(_fileName))
151               {
152                   fclose(_fileHandle);
153                   _fileHandle = _openFile(_fileName);
154                   if (!_fileHandle)
155                   {
156                       return;
157                   }
158               }
159           
160 mike  1.2     // Got the Lock on the File. Seek to the end of File
161               fseek(_fileHandle, 0, SEEK_END);
162           # ifdef PEGASUS_PLATFORM_LINUX_GENERIC_GNU
163               long pos = ftell(_fileHandle);
164               // Check if the file size is approaching 2GB - which is the
165               // maximum size a file on 32 bit Linux can grow (ofcourse if
166               // not using large-files option). If this is not checked, the
167               // cimserver may get a SIGXFSZ signal and shutdown. See Bug#1527.
168               if (pos >= 0x7ff00000)
169               {
170                   // If the file size is almost 2 GB in size, close this trace
171                   // file and open a new trace file which would have _fileCount
172                   // as the suffix. So, if "cimserver.trc" is the trace file that
173                   // approaches 2GB, the next file which gets created would be
174                   // named "cimserver.trc.1" and so on ...
175                   fclose(_fileHandle);
176                   sprintf(_fileName, "%s.%u", _baseFileName, ++_fileCount);
177                   _fileHandle = fopen(_fileName, "a+");
178                   if (!_fileHandle)
179                   {
180                       // Unable to open file, log a message
181 mike  1.2             if (!_wroteToLog)
182                       {
183                           Logger::put_l(Logger::DEBUG_LOG, "Tracer", Logger::WARNING,
184                                         "Common.TraceFileHandler.FAILED_TO_OPEN_FILE",
185                                         "Failed to open File $0", _fileName);
186                           _wroteToLog = true;
187                       }
188                       return;
189                   }
190               }
191           # endif
192           
193               // Write the message to the file
194               fprintf(_fileHandle, "%s", message);
195               vfprintf(_fileHandle, fmt, argList);
196               fprintf(_fileHandle, "\n");
197               fflush(_fileHandle);
198           }
199           
200           #endif /* !PEGASUS_OS_VMS */
201           
202 mike  1.2 PEGASUS_NAMESPACE_END

No CVS admin address has been configured
Powered by
ViewCVS 0.9.2