pegasus/src/Pegasus/ProviderManager2/Default/ProviderModule.cpp - annotate

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1 karl 1.16 //%2006////////////////////////////////////////////////////////////////////////
2 chip 1.1 //
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.;
6 karl 1.4 // IBM Corp.; EMC Corporation, The Open Group.
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.
9 karl 1.11 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; 10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
11 karl 1.16 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; 12 // EMC Corporation; Symantec Corporation; The Open Group.
13 chip 1.1 // 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 karl 1.4 //
21 chip 1.1 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN 22 // 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: Chip Vincent (cvincent@us.ibm.com) 33 // 34 // Modified By:
35 kumpf 1.13 // Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com) 36 // Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com) 37 // Mike Day, IBM (mdday@us.ibm.com) 38 // Adrian Schuur, IBM (schuur@de.ibm.com)
39 joyce.j 1.10 // Josephine Eskaline Joyce (jojustin@in.ibm.com) for PEP#101
40 kumpf 1.13 // Sean Keenan, Hewlett-Packard Company <sean.keenan@hp.com> 41 // Roger Kumpf, Hewlett-Packard Company <roger_kumpf@hp.com>
42 aruran.ms 1.15 // Aruran, IBM (ashanmug@in.ibm.com) for Bug#4585
43 chip 1.1 // 44 //%///////////////////////////////////////////////////////////////////////////// 45 46 #include "ProviderModule.h" 47 48 #include <Pegasus/Common/FileSystem.h>
49 kumpf 1.13 #include <Pegasus/Common/MessageLoader.h>
50 chip 1.3 51 #ifdef PEGASUS_OS_OS400
52 kumpf 1.13 # include "CreateProviderOS400SystemState.h"
53 chip 1.3 #endif
54 chip 1.1
55 kumpf 1.13
56 chip 1.1 PEGASUS_NAMESPACE_BEGIN 57
58 kumpf 1.13 ProviderModule::ProviderModule(const String& fileName)
59 kumpf 1.17 : _refCount(0), 60 _library(fileName)
61 chip 1.1 { 62 } 63
64 kumpf 1.13 ProviderModule::~ProviderModule()
65 chip 1.1 { 66 } 67
68 kumpf 1.13 CIMProvider* ProviderModule::load(const String& providerName)
69 chip 1.1 { 70 // dynamically load the provider library
71 kumpf 1.17 if (!_library.isLoaded())
72 chip 1.1 {
73 kumpf 1.17 if (!_library.load())
74 kumpf 1.13 { 75 throw Exception(MessageLoaderParms( 76 "ProviderManager.ProviderModule.CANNOT_LOAD_LIBRARY", 77 "ProviderLoadFailure ($0:$1):Cannot load library, error: $2",
78 kumpf 1.17 _library.getFileName(),
79 kumpf 1.13 providerName,
80 kumpf 1.17 _library.getLoadErrorMessage()));
81 kumpf 1.13 }
82 chip 1.1 } 83
84 kumpf 1.13 // find library entry point
85 kumpf 1.17 CIMProvider * (createProvider)(const String &) = 86 (CIMProvider (*)(const String&)) 87 _library.getSymbol("PegasusCreateProvider");
88 chip 1.1
89 kumpf 1.13 if (createProvider == 0)
90 chip 1.1 {
91 kumpf 1.13 throw Exception(MessageLoaderParms( 92 "ProviderManager.ProviderModule.ENTRY_POINT_NOT_FOUND",
93 chip 1.3 "ProviderLoadFailure ($0:$1):entry point not found.",
94 kumpf 1.17 _library.getFileName(),
95 chip 1.1 providerName)); 96 } 97 98 // invoke the provider entry point
99 chip 1.3 #ifndef PEGASUS_OS_OS400
100 kumpf 1.17 CIMProvider* provider = createProvider(providerName);
101 chip 1.3 #else 102 // On OS/400, need to call a layer of code that does platform-specific 103 // checks before calling the provider
104 kumpf 1.17 CIMProvider* provider = OS400_CreateProvider(
105 kumpf 1.13 providerName.getCString(), createProvider, _fileName);
106 chip 1.3 #endif 107
108 chip 1.1 // test for the appropriate interface
109 kumpf 1.17 if (dynamic_cast<CIMProvider *>(provider) == 0)
110 chip 1.1 {
111 kumpf 1.13 throw Exception(MessageLoaderParms( 112 "ProviderManager.ProviderModule.PROVIDER_IS_NOT_A",
113 chip 1.3 "ProviderLoadFailure ($0:$1):provider is not a CIMProvider.",
114 kumpf 1.17 _library.getFileName(),
115 chip 1.3 providerName));
116 chip 1.1 }
117 kumpf 1.17
118 kumpf 1.13 _refCount++;
119 kumpf 1.17
120 chip 1.1 return(provider); 121 } 122
123 kumpf 1.13 void ProviderModule::unloadModule()
124 chip 1.1 {
125 mike 1.14 if (_refCount.decAndTestIfZero())
126 chip 1.1 {
127 kumpf 1.17 if (_library.isLoaded())
128 david.dillard 1.8 {
129 kumpf 1.17 _library.unload();
130 david.dillard 1.8 }
131 chip 1.1 } 132 } 133 134 PEGASUS_NAMESPACE_END

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