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File: [Pegasus] / pegasus / src / Pegasus / ProviderManager / Attic / ProviderAdapter.cpp
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Revision: 1.12, Sun Jun 27 14:49:53 2004 UTC (20 years ago) by a.arora Branch: MAIN CVS Tags: RELEASE_2_4_FC_CANDIDATE_1, MONITOR_CONSOLIDATION_2_5_BRANCH Changes since 1.11: +2 -2 lines PEP#:101 TITLE: AutoPtr enhancements DESCRIPTION: Plz refer PEP101 for details. |
//%2003//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Development // Company, L. P., IBM Corp., The Open Group, Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.; // IBM Corp.; EMC Corporation, The Open Group. // // 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: Markus Mueller (sedgewick_de@yahoo.de) // // Modified By: Adrian Schuur - schuur@de.ibm.com // //%///////////////////////////////////////////////////////////////////////////// #include <Pegasus/Common/Config.h> #include <Pegasus/Common/String.h> #include <Pegasus/Common/System.h> #include <Pegasus/Common/Sharable.h> #include <Pegasus/Common/IPC.h> #include <Pegasus/Provider/CIMProvider.h> #include <Pegasus/Provider/CIMOMHandle.h> #include "ProviderAdapter.h" #include <Pegasus/Config/ConfigManager.h> #include <Pegasus/Common/MessageLoader.h> //l10n #define PROVIDERADAPTER_DEBUG(X) //X PEGASUS_USING_STD; PEGASUS_NAMESPACE_BEGIN // HACK static ProviderAdapterManager * pamgr; // // // ProviderAdapter::ProviderAdapter(const String & adapterName, const String & providerLocation, const String & providerName) : _adapterName(adapterName), _providerLocation(providerLocation), _providerName(providerName) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapter::ProviderAdapter "<< _adapterName<<" "<<_providerLocation<<"\n"; ) } ProviderAdapter::~ProviderAdapter() { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapter::~ProviderAdapter\n"; ) ProviderAdapterManager::get_pamgr()->deleteAdapter(_adapterName); _adapter.release(); } const String & ProviderAdapter::getAdapterName() const {return _adapterName;} const String & ProviderAdapter::getProviderName() const {return _providerLocation;} CIMProvider * ProviderAdapter::getProvider(void) const {return _adapter.get();} // // // ProviderAdapterManager::ProviderAdapterManager(void) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::ProviderAdapterManager\n"; ) } ProviderAdapterManager::~ProviderAdapterManager(void) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::~ProviderAdapterManager\n"; ) // unload all adapter modules _listMutex.lock(pegasus_thread_self()); for(Uint32 i=0,n=_listOfAdapterLibs.size();i<n;i++) System::unloadDynamicLibrary(_listOfAdapterLibs[i]); _listOfAdapterNames.clear(); _listOfAdapterCounts.clear(); _listOfAdapterLibs.clear(); _listMutex.unlock(); } ProviderAdapterManager * ProviderAdapterManager::get_pamgr() { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::get_pamgr()\n"; ) // HACK if (pamgr == 0) pamgr = new ProviderAdapterManager(); return pamgr; } ProviderAdapter * ProviderAdapterManager::addAdapter( const String & adapterName, const String & adapterFileName, const String & providerLocation, const String & providerName) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::addAdapter(): " <<adapterName<<" "<<providerLocation<<" "<<providerName<<"\n"; ) _listMutex.lock(pegasus_thread_self()); ProviderAdapter *pad=NULL; DynamicLibraryHandle adapter; // lookup adapterName Uint32 n = _listOfAdapterNames.size(); if (n == 0) { PROVIDERADAPTER_DEBUG ( cerr<<"ProviderAdapterManager::addAdapter(): No entries -> load adapter\n";) try { adapter=loadAdapter(adapterName, adapterFileName); pad=loadProvider(adapter,adapterName,providerLocation,providerName); _listOfAdapterLibs.append(adapter); _listOfAdapterNames.append(adapterName); _listOfAdapterCounts.append(1); } catch (Exception & e) { PROVIDERADAPTER_DEBUG (cerr << e.getMessage();) } _listMutex.unlock(); return pad; } for(Uint32 i=0,n=_listOfAdapterNames.size();i<n;i++) { if (String::equal(_listOfAdapterNames[i],adapterName)) { PROVIDERADAPTER_DEBUG( cerr<<"ProviderAdapterManager::addAdapter(): Found adapter entry\n";) _listOfAdapterCounts[i]++; adapter=_listOfAdapterLibs[i]; try { pad=loadProvider(adapter,adapterName,providerLocation,providerName); } catch (Exception & e) { PROVIDERADAPTER_DEBUG (cerr << e.getMessage();) } break; } // not found, so we have to load the adapter if (i==n-1) { PROVIDERADAPTER_DEBUG ( cerr<<"ProviderAdapterManager::addAdapter(): New entry -> load adapter\n";) try { adapter=loadAdapter(adapterName, adapterFileName); pad=loadProvider(adapter,adapterName,providerLocation,providerName); _listOfAdapterLibs.append(adapter); _listOfAdapterNames.append(adapterName); _listOfAdapterCounts.append(1); } catch (Exception & e) { PROVIDERADAPTER_DEBUG (cerr << e.getMessage();) } } // endif of not found } _listMutex.unlock(); return pad; } void ProviderAdapterManager::deleteAdapter(const String & adapterName) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::deleteAdapter()\n"; ) _listMutex.lock(pegasus_thread_self()); // lookup adapterName for(Uint32 i=0,n=_listOfAdapterNames.size();i<n;i++) { if (String::equal(_listOfAdapterNames[i],adapterName)) { if (--_listOfAdapterCounts[i] == 0) { // call the terminate method of the adapter System::unloadDynamicLibrary(_listOfAdapterLibs[i]); } break; } } _listMutex.unlock(); } void ProviderAdapterManager::deleteAdapter( const DynamicLibraryHandle & adapterlib) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::deleteAdapter()\n"; ) _listMutex.lock(pegasus_thread_self()); // lookup adapterName for(Uint32 i=0,n=_listOfAdapterLibs.size();i<n;i++) { if (_listOfAdapterLibs[i] == adapterlib) { --_listOfAdapterCounts[i]; if (_listOfAdapterCounts[i] == 0) { // call the terminate method of the adapter System::unloadDynamicLibrary(_listOfAdapterLibs[i]); } break; } } _listMutex.unlock(); } DynamicLibraryHandle ProviderAdapterManager::loadAdapter( const String & adapterName, const String & adapterFileName) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::loadAdapter(): "<< adapterFileName<<"\n"; ) // dynamically load the provider library DynamicLibraryHandle library = System::loadDynamicLibrary(adapterFileName.getCString()); if (library == 0) { //l10n //String errorString = //"Cannot load providerAdapter, error: " + System::dynamicLoadError(); //throw Exception("AdapterLoadFailure (" + //adapterName + "):" + errorString); throw Exception(MessageLoaderParms("ProviderManager.ProviderAdapter.CANNOT_LOAD_PROVIDER_ADAPTER", "AdapterLoadFailure ($0):Cannot load providerAdapter, error: $1", adapterName, System::dynamicLoadError())); } return library; } ProviderAdapter * ProviderAdapterManager::loadProvider( const DynamicLibraryHandle & library, const String & adapterName, const String & providerLocation, const String & providerName) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::loadProvider(): "<< providerLocation<<"\n"; ) // Calling entry point of Provider Adapter ProviderAdapter*(*create_pa)(const String &,const String &) = 0; create_pa=(ProviderAdapter*(*)(const String &,const String &)) System::loadDynamicSymbol(library,"PegasusCreateProviderAdapter"); if (create_pa!=0) { ProviderAdapter *pa=create_pa(providerLocation,providerName); if (pa==0) { System::unloadDynamicLibrary(library); //l10n //String errorString = "entry point returned null\n"; //throw Exception("AdapterLoadFailure (" + //adapterName + "):" + errorString); throw Exception(MessageLoaderParms("ProviderManager.ProviderAdapter.ENTRY_POINT_RETURNED_NULL", "AdapterLoadFailure ($0):entry point returned null\n", adapterName)); } // test primary interface if (dynamic_cast<ProviderAdapter*>(pa) == 0) { System::unloadDynamicLibrary(library); //l10n //String errorString = "adapter is not a ProviderAdapter\n"; //throw Exception("AdapterLoadFailure (" + //adapterName + "):" + errorString); throw Exception(MessageLoaderParms("ProviderManager.ProviderAdapter.ADAPTER_NOT_PA", "AdapterLoadFailure ($0):adapter is not a ProviderAdapter\n", adapterName)); } // test secondary interface if (dynamic_cast<CIMProvider*>(pa) == 0) { System::unloadDynamicLibrary(library); //l10n //String errorString = "adapter is not a CIMProvider\n"; //throw Exception("AdapterLoadFailure (" + //adapterName + "):" + errorString); throw Exception(MessageLoaderParms("ProviderManager.ProviderAdapter.ADAPTER_NOT_CP", "AdapterLoadFailure ($0):adapter is not a CIMProvider\n", adapterName)); } // save library address to unload return pa; } else { //l10n //String errorString = "CreateProviderAdapter missing."; // throw Exception("AdapterLoadFailure (" + //adapterName + "):" + errorString); throw Exception(MessageLoaderParms("ProviderManager.ProviderAdapter.MISSING", "AdapterLoadFailure ($0):CreateProviderAdapter missing.", adapterName)); } } void ProviderAdapterManager::list(void) { _listMutex.lock(pegasus_thread_self()); for(Uint32 i=0,n=_listOfAdapterNames.size(); i<n; i++) { PEGASUS_STD(cout) << "Entry " << i << " " << _listOfAdapterNames[i] << PEGASUS_STD(endl); } _listMutex.unlock(); } PEGASUS_NAMESPACE_END
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