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version 1.15.2.1, 2006/02/10 16:11:59
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version 1.20.6.1, 2007/09/26 22:12:56
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| // | // |
| //============================================================================== | //============================================================================== |
| // | // |
| // Author: Chip Vincent (cvincent@us.ibm.com) |
|
| // |
|
| // Modified By: |
|
| // Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com) |
|
| // Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com) |
|
| // Mike Day, IBM (mdday@us.ibm.com) |
|
| // Adrian Schuur, IBM (schuur@de.ibm.com) |
|
| // Josephine Eskaline Joyce (jojustin@in.ibm.com) for PEP#101 |
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| // Sean Keenan, Hewlett-Packard Company <sean.keenan@hp.com> |
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| // Roger Kumpf, Hewlett-Packard Company <roger_kumpf@hp.com> |
|
| // Aruran, IBM (ashanmug@in.ibm.com) for Bug#4585 |
|
| // |
|
| //%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
| | |
| #include "ProviderModule.h" | #include "ProviderModule.h" |
|
|
|
| #include <Pegasus/Common/FileSystem.h> | #include <Pegasus/Common/FileSystem.h> |
| #include <Pegasus/Common/MessageLoader.h> | #include <Pegasus/Common/MessageLoader.h> |
| | |
| #ifdef PEGASUS_OS_OS400 |
|
| # include "CreateProviderOS400SystemState.h" |
|
| #endif |
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| |
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| |
|
| PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
| | |
| ProviderModule::ProviderModule(const String& fileName) | ProviderModule::ProviderModule(const String& fileName) |
| : _fileName(fileName), |
: _library(fileName) |
| _refCount(0), |
|
| _library(0) |
|
| { | { |
| } | } |
| | |
| ProviderModule::~ProviderModule() | ProviderModule::~ProviderModule() |
| { | { |
| if (_library != 0) |
|
| { |
|
| System::unloadDynamicLibrary(_library); |
|
| _library = 0; |
|
| _refCount = 0; |
|
| } |
|
| } | } |
| | |
| CIMProvider* ProviderModule::load(const String& providerName) | CIMProvider* ProviderModule::load(const String& providerName) |
| { | { |
| CIMProvider* provider = 0; |
/* |
| |
BOOKMARK3: |
| |
*/ |
| |
std::cout << "ProviderModule::load[" << providerName << "]" << std::endl; |
| | |
| // dynamically load the provider library | // dynamically load the provider library |
| if (_library == 0) |
if (!_library.load()) |
| { |
|
| _library = |
|
| System::loadDynamicLibrary((const char *)_fileName.getCString()); |
|
| |
|
| if (_library == 0) |
|
| { | { |
| // ATTN: does unload() need to be called? |
|
| throw Exception(MessageLoaderParms( | throw Exception(MessageLoaderParms( |
| "ProviderManager.ProviderModule.CANNOT_LOAD_LIBRARY", | "ProviderManager.ProviderModule.CANNOT_LOAD_LIBRARY", |
| "ProviderLoadFailure ($0:$1):Cannot load library, error: $2", | "ProviderLoadFailure ($0:$1):Cannot load library, error: $2", |
| _fileName, |
_library.getFileName(), |
| providerName, | providerName, |
| System::dynamicLoadError())); |
_library.getLoadErrorMessage())); |
| } |
|
| } | } |
| | |
| // find library entry point | // find library entry point |
| CIMProvider * (*createProvider)(const String &) = 0; |
CIMProvider * (*createProvider)(const String&) = |
| |
(CIMProvider* (*)(const String&)) |
| createProvider = (CIMProvider* (*)(const String&))System::loadDynamicSymbol( |
_library.getSymbol("PegasusCreateProvider"); |
| _library, "PegasusCreateProvider"); |
|
| | |
| if (createProvider == 0) | if (createProvider == 0) |
| { | { |
| |
_library.unload(); |
| throw Exception(MessageLoaderParms( | throw Exception(MessageLoaderParms( |
| "ProviderManager.ProviderModule.ENTRY_POINT_NOT_FOUND", | "ProviderManager.ProviderModule.ENTRY_POINT_NOT_FOUND", |
| "ProviderLoadFailure ($0:$1):entry point not found.", | "ProviderLoadFailure ($0:$1):entry point not found.", |
| _fileName, |
_library.getFileName(), |
| providerName)); | providerName)); |
| } | } |
| | |
| // invoke the provider entry point | // invoke the provider entry point |
| #ifndef PEGASUS_OS_OS400 |
CIMProvider* provider = createProvider(providerName); |
| provider = createProvider(providerName); |
|
| #else |
|
| // On OS/400, need to call a layer of code that does platform-specific |
|
| // checks before calling the provider |
|
| provider = OS400_CreateProvider( |
|
| providerName.getCString(), createProvider, _fileName); |
|
| #endif |
|
| | |
| // test for the appropriate interface | // test for the appropriate interface |
| if(dynamic_cast<CIMProvider *>(provider) == 0) | if(dynamic_cast<CIMProvider *>(provider) == 0) |
| { | { |
| |
_library.unload(); |
| throw Exception(MessageLoaderParms( | throw Exception(MessageLoaderParms( |
| "ProviderManager.ProviderModule.PROVIDER_IS_NOT_A", | "ProviderManager.ProviderModule.PROVIDER_IS_NOT_A", |
| "ProviderLoadFailure ($0:$1):provider is not a CIMProvider.", | "ProviderLoadFailure ($0:$1):provider is not a CIMProvider.", |
| _fileName, |
_library.getFileName(), |
| providerName)); | providerName)); |
| } | } |
| _refCount++; |
|
| return(provider); |
return provider; |
| } | } |
| | |
| void ProviderModule::unloadModule() | void ProviderModule::unloadModule() |
| { | { |
| if (_refCount.decAndTestIfZero()) |
_library.unload(); |
| { |
|
| if (_library != 0) |
|
| { |
|
| System::unloadDynamicLibrary(_library); |
|
| _library = 0; |
|
| } |
|
| } |
|
| } | } |
| | |
| PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |
Return to
ProviderModule.cpp
CVS log
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