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 //%/////////////////////////////////////////////////////////////////////////////
33
34 #if defined(PEGASUS_OS_VMS)
35 # include <fcntl.h>
36 #endif
37 #include <Pegasus/Common/Logger.h>
38 #include <Pegasus/Common/System.h>
39 #include <Pegasus/Common/TraceFileHandler.h>
40 #include <Pegasus/Common/Mutex.h>
41
42 PEGASUS_USING_STD;
43 mike 1.2
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44 kumpf 1.5 PEGASUS_NAMESPACE_BEGIN
45
46 static Mutex writeMutex;
47 PEGASUS_FORK_SAFE_MUTEX(writeMutex)
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48 mike 1.2
49 ///////////////////////////////////////////////////////////////////////////////
50 // Writes message to file. Locks the file before writing to it
51 // Implementation of this function is platform specific
52 ///////////////////////////////////////////////////////////////////////////////
53
54 #if defined(PEGASUS_OS_VMS)
55
56 void TraceFileHandler::handleMessage(
57 const char *message,
58 const char *fmt, va_list argList)
59 {
60 Sint32 retCode;
61 Sint32 fileDesc;
62
63 // Do not add Trace calls in the Critical section
64 // ---- BEGIN CRITICAL SECTION
65
66 // Check if the file has been deleted, if so re-open the file and
67 // continue
68 if (!System::exists(_fileName))
69 mike 1.2 {
70 if (_fileHandle == 0)
71 {
72 _fileHandle = fopen(_fileName, "a+", "shr=get,put,upd");
73 // _fileHandle = fopen(_fileName,"a","shr=get");
74 }
75 else
76 {
77 _fileHandle =
78 freopen(_fileName, "a+", _fileHandle, "shr=get,put,upd");
79 // _fileHandle = freopen(_fileName,"a",_fileHandle,"shr=get");
80 }
81 if (!_fileHandle)
82 {
83 // Unable to re-open file, log a message
84
85 Logger::put_l(Logger::DEBUG_LOG, System::CIMSERVER,
86 Logger::WARNING,
87 "Common.TraceFileHandlerVms.FAILED_TO_OPEN_FILE",
88 "Failed to open File $0", _fileName);
89 return;
90 mike 1.2 }
91
92 // Set permissions on the trace file to 0400
93
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94 kumpf 1.7 if (!FileSystem::changeFilePermissions(
95 String(_fileName), (S_IRUSR | S_IWUSR)))
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96 mike 1.2 {
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97 kumpf 1.7 Logger::put_l(
98 Logger::DEBUG_LOG, System::CIMSERVER, Logger::WARNING,
99 "Common.TraceFileHandlerVms.FAILED_TO_SET_FILE_PERMISSIONS",
100 "Failed to set permissions on file $0", _fileName);
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101 mike 1.2 return;
102 }
103 }
104
105 // Seek to the end of File
106
107 retCode = fseek(_fileHandle, 0, SEEK_END);
108
109 // Write the message to the file
110
111 retCode = fprintf(_fileHandle, "%s", message);
112 retCode = vfprintf(_fileHandle, fmt, argList);
113 retCode = fprintf(_fileHandle, "\n");
114 retCode = fflush(_fileHandle);
115 fileDesc = fileno(_fileHandle);
116 retCode = fsync(fileDesc);
117 _wroteToLog = false;
118 // retCode = fclose(_fileHandle);
119 // _fileHandle = 0;
120
121 // ---- END CRITICAL SECTION
122 mike 1.2
123 return;
124 }
125
126 #else /* PEGASUS_OS_VMS */
127
128 void TraceFileHandler::handleMessage(
129 const char *message,
130 const char *fmt, va_list argList)
131 {
132 if (!_fileHandle)
133 {
134 // The trace file is not open, which means an earlier fopen() was
135 // unsuccessful. Stop now to avoid logging duplicate error messages.
136 return;
137 }
138
139 // Do not add Trace calls in the Critical section
140 // ---- BEGIN CRITICAL SECTION
141 AutoMutex writeLock(writeMutex);
142
143 mike 1.2 // If the file has been deleted, re-open it and continue
144 if (!System::exists(_fileName))
145 {
146 fclose(_fileHandle);
147 _fileHandle = _openFile(_fileName);
148 if (!_fileHandle)
149 {
150 return;
151 }
152 }
153
154 // Got the Lock on the File. Seek to the end of File
155 fseek(_fileHandle, 0, SEEK_END);
156 # ifdef PEGASUS_PLATFORM_LINUX_GENERIC_GNU
157 long pos = ftell(_fileHandle);
158 // Check if the file size is approaching 2GB - which is the
159 // maximum size a file on 32 bit Linux can grow (ofcourse if
160 // not using large-files option). If this is not checked, the
161 // cimserver may get a SIGXFSZ signal and shutdown. See Bug#1527.
162 if (pos >= 0x7ff00000)
163 {
164 mike 1.2 // If the file size is almost 2 GB in size, close this trace
165 // file and open a new trace file which would have _fileCount
166 // as the suffix. So, if "cimserver.trc" is the trace file that
167 // approaches 2GB, the next file which gets created would be
168 // named "cimserver.trc.1" and so on ...
169 fclose(_fileHandle);
170 sprintf(_fileName, "%s.%u", _baseFileName, ++_fileCount);
171 _fileHandle = fopen(_fileName, "a+");
172 if (!_fileHandle)
173 {
174 // Unable to open file, log a message
175 if (!_wroteToLog)
176 {
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177 kumpf 1.7 Logger::put_l(
178 Logger::DEBUG_LOG, System::CIMSERVER, Logger::WARNING,
179 "Common.TraceFileHandler.FAILED_TO_OPEN_FILE",
180 "Failed to open File $0", _fileName);
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181 mike 1.2 _wroteToLog = true;
182 }
183 return;
184 }
185 }
186 # endif
187
188 // Write the message to the file
189 fprintf(_fileHandle, "%s", message);
190 vfprintf(_fileHandle, fmt, argList);
191 fprintf(_fileHandle, "\n");
192 fflush(_fileHandle);
193 }
194
195 #endif /* !PEGASUS_OS_VMS */
196
197 PEGASUS_NAMESPACE_END
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Return to
TraceFileHandlerPOSIX.cpp
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