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File: [Pegasus] / pegasus / src / Pegasus / ProviderManager / Attic / ProviderAdapter.cpp
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Revision: 1.6, Mon Sep 16 21:21:39 2002 UTC (21 years, 9 months ago) by kumpf Branch: MAIN CVS Tags: mday-merge-start, mday-merge-pegasus/src/Pegasus/Server, mday-merge-pegasus/src/Pegasus/Common, mday-2-0-patches, VERSION_2_1_RELEASE_HEAD, VERSION_2_1_RELEASE_BRANCH, VERSION_2_1_RELEASE, VERSION_2_1_1_RELEASE, STABLE, PEGASUS_FC_VERSION_2_2, LOCAL_ASSOCPROV-ROOT, LOCAL_ASSOCPROV-BRANCH Changes since 1.5: +4 -4 lines HP-RK API Review: Rename CIMBaseProvider to CIMProvider. |
//%///////////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 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: Markus Mueller (sedgewick_de@yahoo.de) // // Modified By: // //%///////////////////////////////////////////////////////////////////////////// #include <Pegasus/Common/Config.h> #include <Pegasus/Common/String.h> #include <Pegasus/Common/System.h> #include <Pegasus/Common/Destroyer.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> #define PROVIDERADAPTER_DEBUG(X) //X PEGASUS_NAMESPACE_BEGIN // HACK static ProviderAdapterManager * pamgr; // // // ProviderAdapter::ProviderAdapter(const String & adapterName, const String & providerName, const String & className) : _adapterName(adapterName), _providerName(providerName), _className(className) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapter::ProviderAdapter\n"; ) } ProviderAdapter::~ProviderAdapter() { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapter::~ProviderAdapter\n"; ) ProviderAdapterManager::get_pamgr()->deleteAdapter(_adapterName); } const String & ProviderAdapter::getAdapterName() const {return _adapterName;} const String & ProviderAdapter::getProviderName() const {return _providerName;} CIMProvider * ProviderAdapter::getProvider(void) const {return _adapter;} // // // 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 & providerName, const String & className) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::addAdapter()\n"; ) _listMutex.lock(pegasus_thread_self()); ProviderAdapter * pad = NULL; DynamicLibraryHandle library; // lookup adapterName Uint32 n = _listOfAdapterNames.size(); if (n == 0) { PROVIDERADAPTER_DEBUG (cerr << "No entries -> load adapter\n";) try { library = _loadlibrary(adapterName, adapterFileName); pad = _load(library,adapterName, providerName, className); _listOfAdapterLibs.append(library); _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 << "Found adapter entry\n";) _listOfAdapterCounts[i]++; library = _listOfAdapterLibs[i]; try { pad = _load(library,adapterName, providerName, className); } 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 << "New entry -> load adapter\n";) try { library = _loadlibrary(adapterName, adapterFileName); pad = _load(library,adapterName, providerName, className); _listOfAdapterLibs.append(library); _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::_loadlibrary( const String & adapterName, const String & adapterFileName) { #if 0 CIMOMHandle my_cimom; PROVIDERADAPTER_DEBUG (cerr << "_loadlibrary\n";) String fileName; CIMReference ref = String("WBEM_ProviderProtocolAdapter.name=\"")+ adapterName+ String("\",CreationClassName=\"\",") + String("SystemCreationClassName=\"\",") + String("SystemName=\"\""); CIMInstance ci; try { ci = my_cimom.getInstance(OperationContext(), String("root/cimv2"), ref, false,true,true,CIMPropertyList()); } catch (Exception & e) { PROVIDERADAPTER_DEBUG (cerr << "getInstance failed :" << e.getMessage() << endl;) // // HACK - just during test // create the class we know to exist // CIMClass cc = my_cimom.getClass(OperationContext(), String("root/cimv2"),"WBEM_ProviderProtocolAdapter",false, true, true, CIMPropertyList()); ci = CIMInstance("WBEM_ProviderProtocolAdapter"); ci.addProperty(CIMProperty("name",CIMValue(adapterName))); ci.addProperty(CIMProperty("SystemCreationClassName", CIMValue(String::EMPTY))); ci.addProperty(CIMProperty("CreationClassName", CIMValue(String::EMPTY))); ci.addProperty(CIMProperty("SystemName", CIMValue(String::EMPTY))); #ifdef PEGASUS_OS_TYPE_WINDOWS fileName = adapterName + String(".dll"); #elif defined(PEGASUS_OS_HPUX) fileName = ConfigManager::getHomedPath(ConfigManager::getInstance()-> getCurrentValue("providerDir")) + String("/lib") + adapterName + String(".sl"); #elif defined(PEGASUS_OS_OS400) fileName = adapterName; #else fileName = ConfigManager::getHomedPath(ConfigManager::getInstance()-> getCurrentValue("providerDir")) + String("/lib") + adapterName + String(".so"); #endif ci.addProperty(CIMProperty("LibPath",CIMValue(fileName))); my_cimom.createInstance(OperationContext(), String("root/cimv2"), ci); } // getProperty "LibPath" CIMProperty cprop = ci.getProperty(ci.findProperty("LibPath")); cprop.getValue().get(fileName); PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::_loadlibrary() " << fileName << endl; ) #endif // dynamically load the provider library DynamicLibraryHandle library = System::loadDynamicLibrary(adapterFileName.getCString()); if (library == 0) { String errorString = "Cannot load library, error: " + System::dynamicLoadError(); throw Exception("AdapterLoadFailure (" + adapterName + "):" + errorString); } return library; } ProviderAdapter * ProviderAdapterManager::_load( const DynamicLibraryHandle & library, const String & adapterName, const String & providerName, const String & className) { PROVIDERADAPTER_DEBUG( cerr << "ProviderAdapterManager::_load()\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(adapterName, providerName); if (pa == 0) { System::unloadDynamicLibrary(library); String errorString = "entry point returned null."; throw Exception("AdapterLoadFailure (" + adapterName + "):" + errorString); } // test primary interface if (dynamic_cast<ProviderAdapter *>(pa) == 0) { System::unloadDynamicLibrary(library); String errorString = "adapter is not a ProviderAdapter."; throw Exception("AdapterLoadFailure (" + adapterName + "):" + errorString); } // test secondary interface if (dynamic_cast<CIMProvider *>(pa) == 0) { System::unloadDynamicLibrary(library); String errorString = "adapter is not a CIMProvider."; throw Exception("AdapterLoadFailure (" + adapterName + "):" + errorString); } // save library address to unload return pa; } else { String errorString = "CreateProviderAdapter missing."; throw Exception("AdapterLoadFailure (" + adapterName + "):" + errorString); } } 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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