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version 1.16, 2006/01/30 16:18:08
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version 1.17, 2006/08/08 18:03:04
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| PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
| | |
| ProviderModule::ProviderModule(const String& fileName) | ProviderModule::ProviderModule(const String& fileName) |
| : _fileName(fileName), |
: _refCount(0), |
| _refCount(0), |
_library(fileName) |
| _library(0) |
|
| { | { |
| } | } |
| | |
| ProviderModule::~ProviderModule() | ProviderModule::~ProviderModule() |
| { | { |
| if (_library != 0) |
|
| { |
|
| System::unloadDynamicLibrary(_library); |
|
| _library = 0; |
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| _refCount = 0; |
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| } |
|
| } | } |
| | |
| CIMProvider* ProviderModule::load(const String& providerName) | CIMProvider* ProviderModule::load(const String& providerName) |
| { | { |
| CIMProvider* provider = 0; |
|
| |
|
| // dynamically load the provider library | // dynamically load the provider library |
| if (_library == 0) |
if (!_library.isLoaded()) |
| { | { |
| _library = |
if (!_library.load()) |
| 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) |
| { | { |
| 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 | #ifndef PEGASUS_OS_OS400 |
| provider = createProvider(providerName); |
CIMProvider* provider = createProvider(providerName); |
| #else | #else |
| // On OS/400, need to call a layer of code that does platform-specific | // On OS/400, need to call a layer of code that does platform-specific |
| // checks before calling the provider | // checks before calling the provider |
| provider = OS400_CreateProvider( |
CIMProvider* provider = OS400_CreateProvider( |
| providerName.getCString(), createProvider, _fileName); | providerName.getCString(), createProvider, _fileName); |
| #endif | #endif |
| | |
|
|
|
| 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)); |
| } | } |
| |
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| _refCount++; | _refCount++; |
| |
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| return(provider); | return(provider); |
| } | } |
| | |
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|
| { | { |
| if (_refCount.decAndTestIfZero()) | if (_refCount.decAndTestIfZero()) |
| { | { |
| if (_library != 0) |
if (_library.isLoaded()) |
| { | { |
| System::unloadDynamicLibrary(_library); |
_library.unload(); |
| _library = 0; |
|
| } | } |
| } | } |
| } | } |
Return to
ProviderModule.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / ProviderManager2 / Default