1 karl 1.7 //%2004////////////////////////////////////////////////////////////////////////
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2 chip 1.1 //
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3 karl 1.7 // 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.;
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6 karl 1.4 // IBM Corp.; EMC Corporation, The Open Group.
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7 karl 1.7 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
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9 chip 1.1 //
10 // Permission is hereby granted, free of charge, to any person obtaining a copy
11 // of this software and associated documentation files (the "Software"), to
12 // deal in the Software without restriction, including without limitation the
13 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
14 // sell copies of the Software, and to permit persons to whom the Software is
15 // furnished to do so, subject to the following conditions:
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16 karl 1.4 //
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17 chip 1.1 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
18 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
19 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
20 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
21 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
22 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
23 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 //
26 //==============================================================================
27 //
28 // Author: Chip Vincent (cvincent@us.ibm.com)
29 //
30 // Modified By:
31 // Nag Boranna, Hewlett-Packard Company(nagaraja_boranna@hp.com)
32 // Yi Zhou, Hewlett-Packard Company(yi_zhou@hp.com)
33 // Mike Day, IBM (mdday@us.ibm.com)
34 // Adrian Schuur, IBM (schuur@de.ibm.com)
35 //
36 //%/////////////////////////////////////////////////////////////////////////////
37
38 chip 1.1 #include "ProviderModule.h"
39
40 #include <Pegasus/Common/Destroyer.h>
41 #include <Pegasus/Common/FileSystem.h>
42 #include <Pegasus/Common/MessageLoader.h> //l10n
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43 chip 1.3
44 #ifdef PEGASUS_OS_OS400
45 #include "CreateProviderOS400SystemState.h"
46 #endif
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47 chip 1.1
48 PEGASUS_NAMESPACE_BEGIN
49
50 ProviderModule::ProviderModule(const String & fileName, const String & interfaceName)
51 : _fileName(fileName),
52 _interfaceName(interfaceName),
53 _ref_count(0),
54 _library(0)
55 {
56 _interfaceFileName=String::EMPTY;
57 if(_interfaceName.size()>0)
58 {
59 #ifdef PEGASUS_OS_TYPE_WINDOWS
60 _interfaceFileName=_interfaceName+String("Adapter.dll");
61 #elif defined(PEGASUS_OS_HPUX)
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62 konrad.r 1.5 _interfaceFileName =
63 String("lib")+interfaceName+String("Adapter.sl");
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64 chip 1.1 #elif defined(PEGASUS_OS_OS400)
65 _interfaceFileName=interfaceName+String("Adapter");
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66 dudhe.girish 1.6 #elif defined(PEGASUS_OS_DARWIN)
67 _interfaceFileName= String("lib")+interfaceName+String("Adapter.dylib");
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68 chip 1.1 #else
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69 konrad.r 1.5 _interfaceFileName= String("lib")+interfaceName+String("Adapter.so");
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70 chip 1.1 #endif
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71 konrad.r 1.5
72 _interfaceFileName = FileSystem::getAbsoluteFileName(
73 ConfigManager::getHomedPath(ConfigManager::getInstance()->getCurrentValue("providerDir")), _interfaceFileName);
74
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75 chip 1.1 }
76 }
77
78 ProviderModule::ProviderModule(const String & fileName,
79 const String & providerName,
80 const String & interfaceName,
81 const Uint32 & refCount)
82 : _fileName(fileName),
83 _library(0),
84 _providerName(providerName),
85 _interfaceName(interfaceName),
86 _provider(0),
87 _refCount(refCount)
88
89 {
90 // currently without interface registration
91 _interfaceFileName = String::EMPTY;
92
93 if(_interfaceName.size() > 0)
94 if(!( String::equalNoCase(_interfaceName, "C++Standard") ||
95 String::equalNoCase(_interfaceName, "C++Default") ||
96 chip 1.1 String::equalNoCase(_interfaceName, "PG_DefaultC++") ))
97 {
98 #ifdef PEGASUS_OS_TYPE_WINDOWS
99 _interfaceFileName = _interfaceName + String(".dll");
100 #elif defined(PEGASUS_OS_HPUX)
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101 konrad.r 1.5 _interfaceFileName = String("lib") + _interfaceName + String(".sl");
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102 chip 1.1 #elif defined(PEGASUS_OS_OS400)
103 _interfaceFileName = _interfaceName;
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104 dudhe.girish 1.6 #elif defined(PEGASUS_OS_DARWIN)
105 _interfaceFileName = String("lib") + _interfaceName + String(".dylib");
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106 chip 1.1 #else
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107 konrad.r 1.5 _interfaceFileName = String("lib") + _interfaceName + String(".so");
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108 chip 1.1 #endif
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109 konrad.r 1.5
110 _interfaceFileName = FileSystem::getAbsoluteFileName(
111 ConfigManager::getHomedPath(ConfigManager::getInstance()->getCurrentValue("providerDir")), _interfaceFileName);
112
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113 chip 1.1 }
114 }
115
116 ProviderModule::ProviderModule(const ProviderModule & pm)
117 : _fileName(pm._fileName),
118 _library(pm._library),
119 _providerName(pm._providerName),
120 _interfaceName(pm._interfaceName),
121 _interfaceFileName(pm._interfaceFileName),
122 _provider(pm._provider),
123 _refCount(pm._refCount)
124 {
125 }
126
127 ProviderModule::~ProviderModule(void)
128 {
129 }
130
131 CIMProvider *ProviderModule::load(const String & providerName)
132 {
133 CIMProvider *provider = 0;
134 chip 1.1
135 // dynamically load the provider library
136 if(_library == 0)
137 {
138 _library = System::loadDynamicLibrary((const char *)_fileName.getCString());
139 }
140
141 if(_library == 0)
142 {
143
144 // ATTN: does unload() need to be called?
145 //l10n
146 //String errorString = "Cannot load library, error: " + System::dynamicLoadError();
147 //throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString);
148 throw Exception(MessageLoaderParms("ProviderManager.ProviderModule.CANNOT_LOAD_LIBRARY",
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149 chip 1.3 "ProviderLoadFailure ($0:$1):Cannot load library, error: $2",
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150 chip 1.1 _fileName,
151 providerName,
152 System::dynamicLoadError()));
153 }
154
155 // find libray entry point
156 CIMProvider * (*createProvider)(const String &) = 0;
157
158 createProvider = (CIMProvider * (*)(const String &))System::loadDynamicSymbol(
159 _library, "PegasusCreateProvider");
160
161 if(createProvider == 0)
162 {
163 //l10n
164 //String errorString = "entry point not found.";
165 //throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString);
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166 chip 1.3
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167 chip 1.1 throw Exception(MessageLoaderParms("ProviderManager.ProviderModule.ENTRY_POINT_NOT_FOUND",
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168 chip 1.3 "ProviderLoadFailure ($0:$1):entry point not found.",
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169 chip 1.1 _fileName,
170 providerName));
171 }
172
173 // invoke the provider entry point
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174 chip 1.3 #ifndef PEGASUS_OS_OS400
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175 chip 1.1 provider = createProvider(providerName);
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176 chip 1.3 #else
177 // On OS/400, need to call a layer of code that does platform-specific
178 // checks before calling the provider
179 provider = OS400_CreateProvider(providerName.getCString(), createProvider, _fileName);
180 #endif
181
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182 chip 1.1
183 // test for the appropriate interface
184 if(dynamic_cast<CIMProvider *>(provider) == 0)
185 {
186 //l10n
187 //String errorString = "provider is not a CIMProvider.";
188 //throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString);
189 throw Exception(MessageLoaderParms("ProviderManager.ProviderModule.PROVIDER_IS_NOT_A",
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190 chip 1.3 "ProviderLoadFailure ($0:$1):provider is not a CIMProvider.",
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191 chip 1.1 _fileName,
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192 chip 1.3 providerName));
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193 chip 1.1 }
194 _ref_count++;
195 return(provider);
196 }
197
198 void ProviderModule::unloadModule(void)
199 {
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200 david.dillard 1.8 if (_ref_count.DecAndTestIfZero())
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201 chip 1.1 {
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202 david.dillard 1.8 if(_library != 0)
203 {
204 System::unloadDynamicLibrary(_library);
205 _library = 0;
206 }
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207 chip 1.1 }
208 }
209
210 Boolean ProviderModule::operator == (const void *key) const
211 {
212 String *prov = reinterpret_cast<String *>(const_cast<void *>(key));
213 if(String::equalNoCase(_fileName, *prov))
214 return(true);
215 return(false);
216 }
217
218 Boolean ProviderModule::operator == (const ProviderModule &pm) const
219 {
220 if(String::equalNoCase(_fileName, pm._fileName))
221 return(true);
222 return(false);
223 }
224
225 PEGASUS_NAMESPACE_END
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Return to
ProviderModule.cpp
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