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File: [Pegasus] / pegasus / src / Pegasus / ProviderManager / Attic / ProviderModule.cpp
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Revision: 1.18, Wed Apr 9 15:28:55 2003 UTC (21 years, 3 months ago) by mday Branch: MAIN CVS Tags: PEGASUS_FC_VERSION_2_2 Changes since 1.17: +70 -77 lines ProviderManager & Provider Merge - Interim |
//%////////////-*-c++-*-/////////////////////////////////////////////////////////// // // Copyright (c) 2000 - 2003 BMC Software, Hewlett-Packard Company, IBM, // The Open Group, Tivoli Systems // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // // 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) // //%///////////////////////////////////////////////////////////////////////////// #include "ProviderModule.h" #include <Pegasus/Common/Destroyer.h> #include <Pegasus/Common/FileSystem.h> #include <Pegasus/Provider/CIMInstanceProvider.h> PEGASUS_NAMESPACE_BEGIN ProviderModule::ProviderModule(const String & fileName) : _fileName(fileName), _ref_count(0), _library(0) { _library = System::loadDynamicLibrary((const char *)_fileName.getCString()); } ProviderModule::ProviderModule(const String & fileName, const String & providerName) : _fileName(fileName), _library(0), _providerName(providerName), _provider(0) { } ProviderModule::ProviderModule(const String & fileName, const String & providerName, const String & interfaceName, const Uint32 & refCount) : _fileName(fileName), _library(0), _providerName(providerName), _interfaceName(interfaceName), _provider(0), _refCount(refCount) { // currently without interface registration _interfaceFilename = String::EMPTY; if (_interfaceName.size() > 0) if (!( String::equalNoCase(_interfaceName, "C++Standard") || String::equalNoCase(_interfaceName, "C++Default") || String::equalNoCase(_interfaceName, "PG_DefaultC++") )) { #ifdef PEGASUS_OS_TYPE_WINDOWS _interfaceFilename = _interfaceName + String(".dll"); #elif defined(PEGASUS_OS_HPUX) _interfaceFilename = ConfigManager::getHomedPath( ConfigManager::getInstance()->getCurrentValue("providerDir")); _interfaceFilename.append( String("/lib") + _interfaceName + String(".sl")); #elif defined(PEGASUS_OS_OS400) _interfaceFilename = _interfaceName; #else _interfaceFilename = ConfigManager::getHomedPath( ConfigManager::getInstance()->getCurrentValue("providerDir")); _interfaceFilename.append( String("/lib") + _interfaceName + String(".so")); #endif } } ProviderModule::ProviderModule(const ProviderModule & pm) : _fileName(pm._fileName), _library(pm._library), _providerName(pm._providerName), _interfaceName(pm._interfaceName), _interfaceFilename(pm._interfaceFilename), _provider(pm._provider), _refCount(pm._refCount) { } ProviderModule::~ProviderModule(void) { } CIMProvider *ProviderModule::load(const String & providerName) { // get the interface adapter library first _adapter = 0; if (_interfaceFilename.size() > 0) { _adapter = ProviderAdapterManager::get_pamgr()->addAdapter( _interfaceName, _interfaceFilename, _providerName); _provider = dynamic_cast<CIMProvider *>(_adapter); if (_provider == NULL) { String errorString = "ProviderAdapter is no CIMProvider"; throw Exception("ProviderLoadFailure (" + _providerName + "):" + errorString); } return _provider; } CIMProvider *provider = 0; // dynamically load the provider library if(_library == 0) { _library = System::loadDynamicLibrary((const char *)_fileName.getCString()); } if(_library == 0) { // ATTN: does unload() need to be called? String errorString = "Cannot load library, error: " + System::dynamicLoadError(); throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString); } // find libray entry point CIMProvider * (*createProvider)(const String &) = 0; createProvider = (CIMProvider * (*)(const String &))System::loadDynamicSymbol( _library, "PegasusCreateProvider"); if(createProvider == 0) { String errorString = "entry point not found."; throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString); } // invoke the provider entry point provider = createProvider(providerName); // test for the appropriate interface if(dynamic_cast<CIMProvider *>(provider) == 0) { String errorString = "provider is not a CIMProvider."; throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString); } _ref_count++; return provider; } void ProviderModule::unloadModule(void) { _ref_count--; if( _ref_count.value() > 0) return; _ref_count = 0; if(_library != 0) { System::unloadDynamicLibrary(_library); _library = 0; } } Boolean ProviderModule::operator == (const void *key) const { String *prov = reinterpret_cast<String *>(const_cast<void *>(key)); if(String::equalNoCase(_fileName, *prov)) return true; return false; } Boolean ProviderModule::operator == (const ProviderModule &pm) const { if(String::equalNoCase(_fileName, pm._fileName)) return true; return false; } PEGASUS_NAMESPACE_END
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