1 martin 1.38 //%LICENSE////////////////////////////////////////////////////////////////
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2 martin 1.39 //
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3 martin 1.38 // Licensed to The Open Group (TOG) under one or more contributor license
4 // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with
5 // this work for additional information regarding copyright ownership.
6 // Each contributor licenses this file to you under the OpenPegasus Open
7 // Source License; you may not use this file except in compliance with the
8 // License.
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9 martin 1.39 //
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10 martin 1.38 // Permission is hereby granted, free of charge, to any person obtaining a
11 // copy of this software and associated documentation files (the "Software"),
12 // to deal in the Software without restriction, including without limitation
13 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 // and/or sell copies of the Software, and to permit persons to whom the
15 // Software is furnished to do so, subject to the following conditions:
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16 martin 1.39 //
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17 martin 1.38 // The above copyright notice and this permission notice shall be included
18 // in all copies or substantial portions of the Software.
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19 martin 1.39 //
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20 martin 1.38 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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21 martin 1.39 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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22 martin 1.38 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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27 martin 1.39 //
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28 martin 1.38 //////////////////////////////////////////////////////////////////////////
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29 mike 1.2 //
30 //%/////////////////////////////////////////////////////////////////////////////
31
32 #include <Pegasus/Common/FileSystem.h>
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33 thilo.boehm 1.36 #include <Pegasus/Common/Tracer.h>
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34 mike 1.2 #include <Pegasus/Common/TraceFileHandler.h>
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35 marek 1.41 #include <Pegasus/Common/Logger.h>
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36 mike 1.2
37 #if defined(PEGASUS_OS_TYPE_WINDOWS)
38 # include <Pegasus/Common/TraceFileHandlerWindows.cpp>
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39 kumpf 1.30 #elif defined(PEGASUS_OS_TYPE_UNIX) || defined(PEGASUS_OS_VMS)
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40 mike 1.29 # include <Pegasus/Common/TraceFileHandlerPOSIX.cpp>
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41 mike 1.2 #else
42 # error "Unsupported platform"
43 #endif
44
45
46 PEGASUS_USING_STD;
47
48 PEGASUS_NAMESPACE_BEGIN
49
50 ////////////////////////////////////////////////////////////////////////////////
51 // Constructs TraceFileHandler
52 ////////////////////////////////////////////////////////////////////////////////
53
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54 dl.meetei 1.44 TraceFileHandler::TraceFileHandler():
55 _fileName(0),
56 _fileHandle(0),
57 _logErrorBitField(0),
58 _configHasChanged(true),
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59 a.arora 1.16 #ifdef PEGASUS_PLATFORM_LINUX_GENERIC_GNU
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60 dl.meetei 1.44 _baseFileName(0),
61 _fileCount(0)
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62 a.arora 1.16 #endif
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63 dl.meetei 1.44 {
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64 mike 1.2 }
65
66 ////////////////////////////////////////////////////////////////////////////////
67 // Destructs TraceFileHandler
68 ////////////////////////////////////////////////////////////////////////////////
69
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70 kumpf 1.31 TraceFileHandler::~TraceFileHandler()
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71 mike 1.2 {
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72 kumpf 1.31 // Close the File
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73 mike 1.2 if (_fileHandle)
74 {
75 fclose(_fileHandle);
76 }
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77 thilo.boehm 1.36 free(_fileName);
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78 a.arora 1.16 #ifdef PEGASUS_PLATFORM_LINUX_GENERIC_GNU
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79 thilo.boehm 1.36 free(_baseFileName);
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80 a.arora 1.16 #endif
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81 mike 1.2 }
82
83 ////////////////////////////////////////////////////////////////////////////////
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84 kumpf 1.40 // The configuration of the trace has been updated.
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85 thilo.boehm 1.36 // At the next trace write, change to the new configuration.
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86 mike 1.2 ////////////////////////////////////////////////////////////////////////////////
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87 thilo.boehm 1.36 void TraceFileHandler::configurationUpdated()
88 {
89 _configHasChanged = true;
90 }
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91 mike 1.2
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92 thilo.boehm 1.36 ////////////////////////////////////////////////////////////////////////////////
93 // If the trace configuration has been updated,
94 // close the old file and open the new file.
95 ////////////////////////////////////////////////////////////////////////////////
96 void TraceFileHandler::_reConfigure()
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97 mike 1.2 {
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98 thilo.boehm 1.36 AutoMutex writeLock(writeMutex);
99
100 if(!_configHasChanged)
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101 kumpf 1.18 {
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102 thilo.boehm 1.36 // An other thread does already the re-configuration.
103 // do nothing.
104 return;
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105 kumpf 1.18 }
106
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107 thilo.boehm 1.36 free(_fileName);
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108 kumpf 1.18 _fileName = 0;
109 #ifdef PEGASUS_PLATFORM_LINUX_GENERIC_GNU
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110 thilo.boehm 1.36 free(_baseFileName);
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111 kumpf 1.18 _baseFileName = 0;
112 #endif
113
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114 thilo.boehm 1.37 if (Tracer::_getInstance() ->_traceFile.size() == 0)
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115 thilo.boehm 1.36 {
116 // if the file name is empty/NULL pointer do nothing
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117 thilo.boehm 1.37 // wait for a new trace file.
118 _configHasChanged=false;
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119 thilo.boehm 1.36 return;
120 }
121
122 _fileName = strdup((const char*)Tracer::_getInstance()
123 ->_traceFile.getCString());
124
125 // If a file is already open, close it.
126 if (_fileHandle)
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127 mike 1.2 {
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128 thilo.boehm 1.36 fclose(_fileHandle);
129 _fileHandle = 0;
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130 mike 1.2 }
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131 thilo.boehm 1.36
132 _fileHandle = _openFile(_fileName);
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133 mike 1.2 if (!_fileHandle)
134 {
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135 thilo.boehm 1.36 // return with no message. _openFile() already wrote one.
136 free(_fileName);
137 _fileName = 0;
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138 thilo.boehm 1.37 // wait for a new trace file
139 _configHasChanged=false;
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140 thilo.boehm 1.36 return;
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141 mike 1.2 }
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142 kumpf 1.18
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143 thilo.boehm 1.36 #ifdef PEGASUS_PLATFORM_LINUX_GENERIC_GNU
144 _baseFileName = strdup(_fileName);
145 #endif
146
147 _configHasChanged=false;
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148 kumpf 1.18
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149 thilo.boehm 1.36 return;
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150 kumpf 1.18 }
151
152 FILE* TraceFileHandler::_openFile(const char* fileName)
153 {
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154 gs.keenan 1.25 #ifdef PEGASUS_OS_VMS
155 // FILE* fileHandle = fopen(fileName,"a+", "shr=get,put,upd");
156 FILE* fileHandle = fopen(fileName,"w", "shr=get,put,upd");
157 #else
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158 kumpf 1.18 FILE* fileHandle = fopen(fileName,"a+");
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159 gs.keenan 1.25 #endif
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160 kumpf 1.18 if (!fileHandle)
161 {
162 // Unable to open file, log a message
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163 marek 1.41 MessageLoaderParms parm(
164 "Common.TraceFileHandler.FAILED_TO_OPEN_FILE_SYSMSG",
165 "Failed to open file $0: $1",
166 fileName,PEGASUS_SYSTEM_ERRORMSG_NLS);
167 _logError(TRCFH_FAILED_TO_OPEN_FILE_SYSMSG,parm);
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168 kumpf 1.18 return 0;
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169 mike 1.2 }
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170 kumpf 1.9
171 //
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172 kumpf 1.24 // Verify that the file has the correct owner
173 //
174 if (!System::verifyFileOwnership(fileName))
175 {
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176 marek 1.41 MessageLoaderParms parm(
177 "Common.TraceFileHandler.UNEXPECTED_FILE_OWNER",
178 "File $0 is not owned by user $1.",
179 fileName,
180 System::getEffectiveUserName());
181 _logError(TRCFH_UNEXPECTED_FILE_OWNER,parm);
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182 kumpf 1.24 fclose(fileHandle);
183 return 0;
184 }
185
186 //
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187 kumpf 1.18 // Set the file permissions to 0600
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188 marek 1.12 //
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189 chuck 1.15 #if !defined(PEGASUS_OS_TYPE_WINDOWS)
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190 kumpf 1.18 if (!FileSystem::changeFilePermissions(
191 String(fileName), (S_IRUSR|S_IWUSR)) )
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192 marek 1.12 #else
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193 kumpf 1.18 if (!FileSystem::changeFilePermissions(
194 String(fileName), (_S_IREAD|_S_IWRITE)) )
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195 marek 1.12 #endif
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196 kumpf 1.9 {
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197 marek 1.41 MessageLoaderParms parm(
198 "Common.TraceFileHandler.FAILED_TO_SET_FILE_PERMISSIONS",
199 "Failed to set permissions on file $0",
200 fileName);
201 _logError(TRCFH_FAILED_TO_SET_FILE_PERMISSIONS,parm);
202 fclose(fileHandle);
203 return 0;
204 }
205
206 return fileHandle;
207 }
208
209 void TraceFileHandler::_logError(
210 ErrLogMessageIds msgID,
211 const MessageLoaderParms & parms)
212 {
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213 ajay.rao 1.43 static Boolean isLogErrorProgress = false;
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214 marek 1.41 // msgID has to be within range, else we have a severe coding error
215 PEGASUS_ASSERT((msgID >= TRCFH_FAILED_TO_OPEN_FILE_SYSMSG) &&
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216 ajay.rao 1.43 (msgID <= TRCFH_UNABLE_TO_WRITE_TRACE_TO_FILE));
217 if (!isLogErrorProgress)
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218 marek 1.41 {
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219 ajay.rao 1.43 isLogErrorProgress = true;
220 if ((_logErrorBitField & (1 << msgID)) == 0)
221 {
222 // log message not yet written, write log message
223 Logger::put_l(
224 Logger::ERROR_LOG,
225 System::CIMSERVER,
226 Logger::WARNING,
227 parms);
228 // mark bit in log error field to flag that specific log message
229 // has been written
230 _logErrorBitField |= (1 << msgID);
231 }
232 isLogErrorProgress = false;
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233 kumpf 1.18 }
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234 marek 1.41 }
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235 kumpf 1.18
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236 mike 1.2
237 PEGASUS_NAMESPACE_END
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Return to
TraceFileHandler.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Common