(file) Return to ProviderManagerService.cpp CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / ProviderManager2 / Attic

Diff for /pegasus/src/Pegasus/ProviderManager2/Attic/ProviderManagerService.cpp between version 1.11 and 1.44

version 1.11, 2003/10/16 23:07:55 version 1.44, 2004/06/04 02:23:58
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 //%/////////////////////////////////////////////////////////////////////////////  //%2003////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000 - 2003 BMC Software, Hewlett-Packard Company, IBM,  // Copyright (c) 2000, 2001, 2002  BMC Software, Hewlett-Packard Development
 // The Open Group, Tivoli Systems  // 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 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
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 //              Mike Day, IBM (mdday@us.ibm.com) //              Mike Day, IBM (mdday@us.ibm.com)
 //              Karl Schopmeyer(k.schopmeyer@opengroup.org) - Fix associators. //              Karl Schopmeyer(k.schopmeyer@opengroup.org) - Fix associators.
 //              Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com) //              Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com)
   //              Adrian Schuur, IBM (schuur@de.ibm.com)
   //              Amit K Arora (amita@in.ibm.com) for PEP-101
   //              Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
   //              Seema Gupta (gseema@in.ibm.com for PEP135)
 // //
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
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 #include <Pegasus/Common/Config.h> #include <Pegasus/Common/Config.h>
 #include <Pegasus/Common/Constants.h> #include <Pegasus/Common/Constants.h>
 #include <Pegasus/Common/CIMMessage.h> #include <Pegasus/Common/CIMMessage.h>
   #include <Pegasus/Common/Thread.h>
 #include <Pegasus/Common/Tracer.h> #include <Pegasus/Common/Tracer.h>
 #include <Pegasus/Common/Logger.h> #include <Pegasus/Common/Logger.h>
 #include <Pegasus/Common/Destroyer.h>  #include <Pegasus/Common/AutoPtr.h>
  
 #include <Pegasus/Config/ConfigManager.h> #include <Pegasus/Config/ConfigManager.h>
  
 PEGASUS_NAMESPACE_BEGIN  #include <Pegasus/ProviderManager2/BasicProviderManagerRouter.h>
   
 class ProviderManagerContainer  
 {  
 public:  
     ProviderManagerContainer(const String & name, const String & path) : _name(name), _module(path)  
     {  
         _module.load();  
   
         _manager = _module.getProviderManager(_name);  
     }  
   
     ~ProviderManagerContainer(void)  
     {  
         _module.unload();  
     }  
   
     String & getName(void)  
     {  
         return(_name);  
     }  
   
     ProviderManager & getProviderManager(void)  
     {  
         return(*_manager);  
     }  
   
 private:  
     String _name;  
     ProviderManagerModule _module;  
     ProviderManager * _manager;  
   
 };  
   
 static Array<ProviderManagerContainer> _providerManagers;  
   
 // BEGIN TEMP SECTION  
 class ProviderManagerRegistration  
 {  
 public:  
     ProviderManagerRegistration(const String & physicalName, const String & logicalName, const String & interfaceName)  
     {  
         #if defined(PEGASUS_OS_TYPE_WINDOWS)  
         _physicalName = physicalName + String(".dll");  
         #elif defined(PEGASUS_OS_HPUX) && defined(PEGASUS_PLATFORM_HPUX_PARISC_ACC)  
         _physicalName = ConfigManager::getHomedPath(ConfigManager::getInstance()->getCurrentValue("providerDir"));  
         _physicalName.append(String("/lib") + physical + String(".sl"));  
         #elif defined(PEGASUS_OS_HPUX) && !defined(PEGASUS_PLATFORM_HPUX_PARISC_ACC)  
         _physicalName = ConfigManager::getHomedPath(ConfigManager::getInstance()->getCurrentValue("providerDir"));  
         _physicalName.append(String("/lib") + physical + String(".so"));  
         #elif defined(PEGASUS_OS_OS400)  
         _physicalName = physicalName;  
         #else  
         _physicalName = ConfigManager::getHomedPath(ConfigManager::getInstance()->getCurrentValue("providerDir"));  
         _physicalName.append(String("/lib") + physical + String(".so"));  
         #endif  
   
         _logicalName = logicalName;  
   
         _interfaceName = interfaceName;  
     }  
   
     const String & getPhysicalName(void) const  
     {  
         return(_physicalName);  
     }  
  
     const String & getLogicalName(void) const  PEGASUS_NAMESPACE_BEGIN
     {  
         return(_logicalName);  
     }  
   
     const String & getInterfaceName(void) const  
     {  
         return(_interfaceName);  
     }  
   
 private:  
     String _physicalName;  
     String _logicalName;  
     String _interfaceName;  
  
 };  static const Uint16 _MODULE_OK       = 2;
 // END TEMP SECTION  static const Uint16 _MODULE_STOPPING = 9;
   static const Uint16 _MODULE_STOPPED  = 10;
  
 inline Boolean _isSupportedRequestType(const Message * message) inline Boolean _isSupportedRequestType(const Message * message)
 { {
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     return(false);     return(false);
 } }
  
   ProviderManagerService* ProviderManagerService::providerManagerService=NULL;
   Uint32 ProviderManagerService::_indicationServiceQueueId = PEG_NOT_FOUND;
   
 ProviderManagerService::ProviderManagerService(void) ProviderManagerService::ProviderManagerService(void)
     : MessageQueueService(PEGASUS_QUEUENAME_PROVIDERMANAGER_CPP)     : MessageQueueService(PEGASUS_QUEUENAME_PROVIDERMANAGER_CPP)
 { {
       providerManagerService=this;
 } }
  
 ProviderManagerService::ProviderManagerService(ProviderRegistrationManager * providerRegistrationManager)  ProviderManagerService::ProviderManagerService(
           ProviderRegistrationManager * providerRegistrationManager,
           CIMRepository * repository)
     : MessageQueueService(PEGASUS_QUEUENAME_PROVIDERMANAGER_CPP)     : MessageQueueService(PEGASUS_QUEUENAME_PROVIDERMANAGER_CPP)
 { {
     SetProviderRegistrationManager(providerRegistrationManager);      providerManagerService=this;
       _repository=repository;
  
     // ATTN: this section is a temporary solution to populate the list of enabled      _providerRegistrationManager = providerRegistrationManager;
     // provider managers for a given distribution. it includes another temporary  
     // solution for converting a generic file name into a file name useable by  
     // each platform.  
   
     // BEGIN TEMP SECTION  
     Array<ProviderManagerRegistration> registrations;  
   
     //#if defined(PEGASUS_OS_OS400)  
     //registrations.append(ProviderManagerRegistration("QSYS/??????????", "INTERNAL", "INTERNAL"));  
     //#else  
     //registrations.append(ProviderManagerRegistration("InternalProviderManager", "DEFAULT", "INTERNAL"));  
     //#endif  
   
     #if defined(ENABLE_DEFAULT_PROVIDER_MANAGER)  
     #if defined(PEGASUS_OS_OS400)  
     registrations.append(ProviderManagerRegistration("QSYS/QYCMDFTPVM", "DEFAULT", "C++Default"));  
     #else  
     registrations.append(ProviderManagerRegistration("DefaultProviderManager", "DEFAULT", "C++Default"));  
     #endif  
     #endif  
   
     #if defined(ENABLE_CMPI_PROVIDER_MANAGER)  
     #if defined(PEGASUS_OS_OS400)  
     registrations.append(ProviderManagerRegistration("QSYS/QYCMCMPIPM", "CMPI", "CMPI"));  
     #else  
     registrations.append(ProviderManagerRegistration("CMPIProviderManager", "CMPI", "CMPI"));  
     #endif  
     #endif  
     // END TEMP SECTION  
  
     for(Uint32 i = 0, n = registrations.size(); i < n; i++)      _unloadIdleProvidersBusy = 0;
     {  
         try  
         {  
             ProviderManagerContainer container(registrations[i].getLogicalName(), registrations[i].getPhysicalName());  
  
             _providerManagers.append(container);      _providerManagerRouter =
         }          new BasicProviderManagerRouter(indicationCallback);
         catch(...)  
         {  
         }  
     }  
 } }
  
 ProviderManagerService::~ProviderManagerService(void) ProviderManagerService::~ProviderManagerService(void)
 { {
       delete _providerManagerRouter;
       providerManagerService=NULL;
 } }
  
 Boolean ProviderManagerService::messageOK(const Message * message) Boolean ProviderManagerService::messageOK(const Message * message)
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         _incomingQueue.enqueue(request->op);         _incomingQueue.enqueue(request->op);
  
         _thread_pool->allocate_and_awaken((void *)this, ProviderManagerService::handleCimOperation);           while (!_thread_pool->allocate_and_awaken(
                        (void *)this, ProviderManagerService::handleCimOperation))
            {
                pegasus_yield();
            }
     }     }
     else     else
     {     {
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     return;     return;
 } }
  
 /*  PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL ProviderManagerService::handleServiceOperation(void * arg) throw()  ProviderManagerService::handleCimOperation(void * arg) throw()
 { {
     // get the service from argument      PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
     ProviderManagerService * service = reinterpret_cast<ProviderManagerService *>(arg);          "ProviderManagerService::handleCimOperation");
   
     PEGASUS_ASSERT(service != 0);  
   
     // get message from service queue  
     Message * message = service->_incomingQueue.dequeue();  
   
     PEGASUS_ASSERT(message != 0);  
   
     if(service->_incomingQueue.size() == 0)  
     {  
         PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL4,  
             "ProviderManagerService::handleCimOperation() called with no op node in queue" );  
   
         PEG_METHOD_EXIT();  
   
         // thread started with no message in queue.  
         return(PEGASUS_THREAD_RETURN(1));  
     }  
   
     AsyncOpNode * op = service->_incomingQueue.dequeue();  
   
     PEGASUS_ASSERT(op != 0 );  
   
     if(op->_request.count() == 0)  
     {  
         MessageQueue * queue = MessageQueue::lookup(op->_source_queue);  
   
         PEGASUS_ASSERT(queue != 0);  
   
         PEG_METHOD_EXIT();  
   
         // no request in op node  
         return(PEGASUS_THREAD_RETURN(1));  
     }  
   
     return(0);  
 }  
 */  
   
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL ProviderManagerService::handleCimOperation(void * arg) throw()  
 {  
     PEG_METHOD_ENTER(TRC_PROVIDERMANAGER, "ProviderManagerService::handleCimOperation");  
  
     if(arg == 0)     if(arg == 0)
     {     {
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     }     }
  
     // get the service from argument     // get the service from argument
     ProviderManagerService * service = reinterpret_cast<ProviderManagerService *>(arg);      ProviderManagerService * service =
           reinterpret_cast<ProviderManagerService *>(arg);
  
     if(service->_incomingQueue.size() == 0)     if(service->_incomingQueue.size() == 0)
     {     {
         PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL4,         PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL4,
             "ProviderManagerService::handleCimOperation() called with no op node in queue" );              "ProviderManagerService::handleCimOperation() called with no "
                   "op node in queue");
  
         PEG_METHOD_EXIT();         PEG_METHOD_EXIT();
  
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     if((op == 0) || (op->_request.count() == 0))     if((op == 0) || (op->_request.count() == 0))
     {     {
           // ATTN: This may dereference a null pointer!
         MessageQueue * queue = MessageQueue::lookup(op->_source_queue);         MessageQueue * queue = MessageQueue::lookup(op->_source_queue);
  
         PEGASUS_ASSERT(queue != 0);         PEGASUS_ASSERT(queue != 0);
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     AsyncRequest * request = static_cast<AsyncRequest *>(op->_request.next(0));     AsyncRequest * request = static_cast<AsyncRequest *>(op->_request.next(0));
  
     if((request == 0) || (request->getType() != async_messages::ASYNC_LEGACY_OP_START))      if ((request == 0) ||
           (request->getType() != async_messages::ASYNC_LEGACY_OP_START))
     {     {
         // reply with NAK         // reply with NAK
   
         PEG_METHOD_EXIT();         PEG_METHOD_EXIT();
   
         return(PEGASUS_THREAD_RETURN(0));         return(PEGASUS_THREAD_RETURN(0));
     }     }
  
     try     try
     {     {
         Message * legacy = static_cast<AsyncLegacyOperationStart *>(request)->get_action();          Message* legacy =
               static_cast<AsyncLegacyOperationStart *>(request)->get_action();
  
         if(_isSupportedRequestType(legacy))         if(_isSupportedRequestType(legacy))
         {         {
             Destroyer<Message> xmessage(legacy);              AutoPtr<Message> xmessage(legacy);
  
             // Set the client's requested language into this service thread.             // Set the client's requested language into this service thread.
             // This will allow functions in this service to return messages             // This will allow functions in this service to return messages
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             if(msg != 0)             if(msg != 0)
             {             {
                 AcceptLanguages * langs = new AcceptLanguages(msg->acceptLanguages);                  AcceptLanguages* langs =
                       new AcceptLanguages(msg->acceptLanguages);
                 Thread::setLanguages(langs);                 Thread::setLanguages(langs);
             }             }
             else             else
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     return(PEGASUS_THREAD_RETURN(0));     return(PEGASUS_THREAD_RETURN(0));
 } }
  
 void ProviderManagerService::handleCimRequest(AsyncOpNode * op, const Message * message)  void ProviderManagerService::handleCimRequest(
       AsyncOpNode * op,
       Message * message)
 { {
     PEG_METHOD_ENTER(TRC_PROVIDERMANAGER, "ProviderManagerService::handleCimRequest");      PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
           "ProviderManagerService::handleCimRequest");
  
     // ATTN: ensure message is a request???      CIMRequestMessage * request = dynamic_cast<CIMRequestMessage *>(message);
     CIMMessage * request = dynamic_cast<CIMMessage *>(const_cast<Message *>(message));      PEGASUS_ASSERT(request != 0);
  
     // get request from op node     // get request from op node
     AsyncRequest * async = static_cast<AsyncRequest *>(op->_request.next(0));     AsyncRequest * async = static_cast<AsyncRequest *>(op->_request.next(0));
       PEGASUS_ASSERT(async != 0);
     PEGASUS_ASSERT((request != 0) && (async != 0));  
  
     Message * response = 0;     Message * response = 0;
  
     // get namespace and class name from message      if ((dynamic_cast<CIMOperationRequestMessage*>(request) != 0) ||
           (request->getType() == CIM_EXPORT_INDICATION_REQUEST_MESSAGE) ||
           (request->getType() == CIM_INITIALIZE_PROVIDER_REQUEST_MESSAGE))
       {
           // Handle CIMOperationRequestMessage and CIMExportIndicationRequestMessage
                   // The provider ID container is already added to operationcontext in CIMOperationRequestDispacther
                   // for all instance, method , association and indication providers under PEP135 , so no need to add it again .
                   // So add it only for ExportIndicationRequestMessage
  
     ProviderName name(                  if (request->getType() == CIM_EXPORT_INDICATION_REQUEST_MESSAGE)
         String::EMPTY,                  {
         String::EMPTY,                      ProviderIdContainer pidc = _getProviderIdContainer(request);
         String::EMPTY,              request->operationContext.insert(pidc);
         String::EMPTY,                  }
         0);  
  
     // find provider manager          response = _providerManagerRouter->processMessage(request);
     name = findProvider(name);      }
       else if (request->getType() == CIM_ENABLE_MODULE_REQUEST_MESSAGE)
       {
           // Handle CIMEnableModuleRequestMessage
           CIMEnableModuleRequestMessage * emReq =
               dynamic_cast<CIMEnableModuleRequestMessage*>(request);
  
     // find provider manager for provider interface          CIMInstance providerModule = emReq->providerModule;
  
     try     try
     {     {
         PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL4,              // Forward the request to the ProviderManager
             "ProviderManagerService::handleCimRequest() passing control to provider manager.");              response = _providerManagerRouter->processMessage(request);
  
         // forward request              // If successful, update provider module status to OK
         response = _providerManagers[0].getProviderManager().processMessage(request);              // ATTN: Use CIMEnableModuleResponseMessage operationalStatus?
               CIMEnableModuleResponseMessage * emResp =
                   dynamic_cast<CIMEnableModuleResponseMessage*>(response);
               if (emResp->cimException.getCode() == CIM_ERR_SUCCESS)
               {
                   _updateProviderModuleStatus(
                       providerModule, _MODULE_STOPPED, _MODULE_OK);
     }     }
     catch(...)          }
           catch (Exception& e)
           {
               // Get the OperationalStatus property from the provider module
               Array<Uint16> operationalStatus;
               CIMValue itValue = emReq->providerModule.getProperty(
                   emReq->providerModule.findProperty("OperationalStatus"))
                       .getValue();
               itValue.get(operationalStatus);
   
               if (response != 0)
               {
                   delete response;
               }
   
               response = new CIMEnableModuleResponseMessage(
                   request->messageId,
                   CIMException(CIM_ERR_FAILED, e.getMessage()),
                   request->queueIds.copyAndPop(),
                   operationalStatus);
           }
       }
       else if (request->getType() == CIM_DISABLE_MODULE_REQUEST_MESSAGE)
       {
           // Handle CIMDisableModuleRequestMessage
           CIMDisableModuleRequestMessage * dmReq =
               dynamic_cast<CIMDisableModuleRequestMessage*>(request);
   
           CIMInstance providerModule = dmReq->providerModule;
           Boolean updateModuleStatus = !dmReq->disableProviderOnly;
   
           try
           {
               // Change module status from OK to STOPPING
               if (updateModuleStatus)
               {
                   _updateProviderModuleStatus(
                       providerModule, _MODULE_OK, _MODULE_STOPPING);
               }
   
               // Forward the request to the ProviderManager
               response = _providerManagerRouter->processMessage(request);
   
               // Update provider module status based on success or failure
               if (updateModuleStatus)
     {     {
         // ATTN: create response with error message                  CIMDisableModuleResponseMessage * dmResp =
                       dynamic_cast<CIMDisableModuleResponseMessage*>(response);
                   if (dmResp->cimException.getCode() != CIM_ERR_SUCCESS)
                   {
                       // Disable operation failed.  Module not stopped.
                       _updateProviderModuleStatus(
                           providerModule, _MODULE_STOPPING, _MODULE_OK);
                   }
                   else
                   {
                       // Disable may or may not have been successful,
                       // depending on whether there are outstanding requests.
                       // Use last operationalStatus entry.
                       _updateProviderModuleStatus(
                           providerModule, _MODULE_STOPPING,
                           dmResp->operationalStatus[
                               dmResp->operationalStatus.size()-1]);
                   }
               }
     }     }
           catch (Exception& e)
           {
               // Get the OperationalStatus property from the provider module
               Array<Uint16> operationalStatus;
               CIMValue itValue = dmReq->providerModule.getProperty(
                   dmReq->providerModule.findProperty("OperationalStatus"))
                       .getValue();
               itValue.get(operationalStatus);
  
     // preserve message key              if (response != 0)
     response->setKey(request->getKey());              {
                   delete response;
               }
  
     // set HTTP method in response from request              response = new CIMDisableModuleResponseMessage(
     response->setHttpMethod(request->getHttpMethod());                  request->messageId,
                   CIMException(CIM_ERR_FAILED, e.getMessage()),
                   request->queueIds.copyAndPop(),
                   operationalStatus);
           }
       }
       else
       {
           response = _providerManagerRouter->processMessage(request);
       }
  
     AsyncLegacyOperationResult * async_result =     AsyncLegacyOperationResult * async_result =
         new AsyncLegacyOperationResult(         new AsyncLegacyOperationResult(
Line 461 
Line 428 
     PEG_METHOD_EXIT();     PEG_METHOD_EXIT();
 } }
  
 void ProviderManagerService::unload_idle_providers(void)  void ProviderManagerService::unloadIdleProviders()
   {
       PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
           "ProviderManagerService::unloadIdleProviders");
   
       // Ensure that only one _unloadIdleProvidersHandler thread runs at a time
       _unloadIdleProvidersBusy++;
       if ((_unloadIdleProvidersBusy.value() == 1) &&
           (_thread_pool->allocate_and_awaken(
                (void*)this, ProviderManagerService::_unloadIdleProvidersHandler)))
       {
           // _unloadIdleProvidersBusy is decremented in
           // _unloadIdleProvidersHandler
       }
       else
       {
           // If we fail to allocate a thread, don't retry now.
           _unloadIdleProvidersBusy--;
       }
   
       PEG_METHOD_EXIT();
   }
   
   PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL
   ProviderManagerService::_unloadIdleProvidersHandler(void* arg) throw()
   {
       try
       {
           PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
               "ProviderManagerService::unloadIdleProvidersHandler");
   
           ProviderManagerService* myself =
               reinterpret_cast<ProviderManagerService*>(arg);
   
           try
           {
               myself->_providerManagerRouter->unloadIdleProviders();
           }
           catch (...)
           {
               // Ignore errors
               PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL2,
                   "Unexpected exception in _unloadIdleProvidersHandler");
           }
   
           myself->_unloadIdleProvidersBusy--;
           PEG_METHOD_EXIT();
       }
       catch (...)
 { {
           // Ignore errors
           PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL2,
               "Unexpected exception in _unloadIdleProvidersHandler");
 } }
  
 PEGASUS_NAMESPACE_END      return(PEGASUS_THREAD_RETURN(0));
   }
  
   ProviderIdContainer ProviderManagerService::_getProviderIdContainer(
       const CIMRequestMessage* message)
   {
       PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
           "ProviderManagerService::_getProviderIdContainer");
   
       CIMInstance providerModule;
       CIMInstance provider;
   
       switch (message->getType())
       {
       case CIM_GET_CLASS_REQUEST_MESSAGE:
       case CIM_DELETE_CLASS_REQUEST_MESSAGE:
       case CIM_CREATE_CLASS_REQUEST_MESSAGE:
       case CIM_MODIFY_CLASS_REQUEST_MESSAGE:
       case CIM_ENUMERATE_CLASSES_REQUEST_MESSAGE:
       case CIM_ENUMERATE_CLASS_NAMES_REQUEST_MESSAGE:
       case CIM_GET_QUALIFIER_REQUEST_MESSAGE:
       case CIM_SET_QUALIFIER_REQUEST_MESSAGE:
       case CIM_DELETE_QUALIFIER_REQUEST_MESSAGE:
       case CIM_ENUMERATE_QUALIFIERS_REQUEST_MESSAGE:
           // The ProviderManagerService does not support class operations
           PEGASUS_ASSERT(0);
           break;
   
       case CIM_GET_INSTANCE_REQUEST_MESSAGE:
       case CIM_DELETE_INSTANCE_REQUEST_MESSAGE:
       case CIM_CREATE_INSTANCE_REQUEST_MESSAGE:
       case CIM_MODIFY_INSTANCE_REQUEST_MESSAGE:
       case CIM_ENUMERATE_INSTANCES_REQUEST_MESSAGE:
       case CIM_ENUMERATE_INSTANCE_NAMES_REQUEST_MESSAGE:
       case CIM_GET_PROPERTY_REQUEST_MESSAGE:
       case CIM_SET_PROPERTY_REQUEST_MESSAGE:
       {
           // Look up instance provider
           const CIMOperationRequestMessage* request =
               dynamic_cast<const CIMOperationRequestMessage*>(message);
           _providerRegistrationManager->lookupInstanceProvider(
               request->nameSpace, request->className, provider, providerModule);
           break;
       }
   
       case CIM_EXEC_QUERY_REQUEST_MESSAGE:
       {
           // Look up instance query provider
           const CIMOperationRequestMessage* request =
               dynamic_cast<const CIMOperationRequestMessage*>(message);
           Boolean hasNoQuery;
           _providerRegistrationManager->lookupInstanceProvider(
               request->nameSpace, request->className, provider, providerModule,
               0, &hasNoQuery);
           // We shouldn't have gotten this far if this isn't a query provider
           PEGASUS_ASSERT(!hasNoQuery);
           break;
       }
   
       case CIM_ASSOCIATORS_REQUEST_MESSAGE:
       {
           // Look up association provider
           const CIMAssociatorsRequestMessage* request =
               dynamic_cast<const CIMAssociatorsRequestMessage*>(message);
           Array<CIMInstance> providerModules;
           Array<CIMInstance> providers;
           _providerRegistrationManager->lookupAssociationProvider(
               request->nameSpace, request->assocClass,
               providers, providerModules);
           providerModule = providerModules[0];
           provider = providers[0];
           break;
       }
   
       case CIM_ASSOCIATOR_NAMES_REQUEST_MESSAGE:
       {
           // Look up association provider
           const CIMAssociatorNamesRequestMessage* request =
               dynamic_cast<const CIMAssociatorNamesRequestMessage*>(message);
           Array<CIMInstance> providerModules;
           Array<CIMInstance> providers;
           _providerRegistrationManager->lookupAssociationProvider(
               request->nameSpace, request->assocClass,
               providers, providerModules);
           providerModule = providerModules[0];
           provider = providers[0];
           break;
       }
   
       case CIM_REFERENCES_REQUEST_MESSAGE:
       {
           // Look up association provider
           const CIMReferencesRequestMessage* request =
               dynamic_cast<const CIMReferencesRequestMessage*>(message);
           Array<CIMInstance> providerModules;
           Array<CIMInstance> providers;
           _providerRegistrationManager->lookupAssociationProvider(
               request->nameSpace, request->resultClass,
               providers, providerModules);
           providerModule = providerModules[0];
           provider = providers[0];
           break;
       }
   
       case CIM_REFERENCE_NAMES_REQUEST_MESSAGE:
       {
           // Look up association provider
           const CIMReferenceNamesRequestMessage* request =
               dynamic_cast<const CIMReferenceNamesRequestMessage*>(message);
           Array<CIMInstance> providerModules;
           Array<CIMInstance> providers;
           _providerRegistrationManager->lookupAssociationProvider(
               request->nameSpace, request->resultClass,
               providers, providerModules);
           providerModule = providerModules[0];
           provider = providers[0];
           break;
       }
   
       case CIM_INVOKE_METHOD_REQUEST_MESSAGE:
       {
           // Look up method provider
           const CIMInvokeMethodRequestMessage* request =
               dynamic_cast<const CIMInvokeMethodRequestMessage*>(message);
           _providerRegistrationManager->lookupMethodProvider(
               request->nameSpace, request->className, request->methodName,
               provider, providerModule);
           break;
       }
   
       case CIM_EXPORT_INDICATION_REQUEST_MESSAGE:
       {
           const CIMExportIndicationRequestMessage* request =
               dynamic_cast<const CIMExportIndicationRequestMessage*>(message);
           _providerRegistrationManager->lookupIndicationConsumer(
               request->destinationPath, provider, providerModule);
           break;
       }
   
       case CIM_ENABLE_INDICATIONS_REQUEST_MESSAGE:
       case CIM_DISABLE_INDICATIONS_REQUEST_MESSAGE:
       case CIM_CREATE_SUBSCRIPTION_REQUEST_MESSAGE:
       case CIM_MODIFY_SUBSCRIPTION_REQUEST_MESSAGE:
       case CIM_DELETE_SUBSCRIPTION_REQUEST_MESSAGE:
       {
           // Provider information is already in the message
           const CIMIndicationRequestMessage* request =
               dynamic_cast<const CIMIndicationRequestMessage*>(message);
           providerModule = request->providerModule;
           provider = request->provider;
           break;
       }
   
       case CIM_ENABLE_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE:
       case CIM_MODIFY_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE:
       case CIM_DISABLE_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE:
       case CIM_PROCESS_INDICATION_REQUEST_MESSAGE:
       case CIM_HANDLE_INDICATION_REQUEST_MESSAGE:
       case CIM_NOTIFY_PROVIDER_REGISTRATION_REQUEST_MESSAGE:
       case CIM_NOTIFY_PROVIDER_TERMINATION_REQUEST_MESSAGE:
           // These messages are not handled by the ProviderManagerService
           PEGASUS_ASSERT(0);
           break;
   
       case CIM_DISABLE_MODULE_REQUEST_MESSAGE:
       case CIM_ENABLE_MODULE_REQUEST_MESSAGE:
       case CIM_STOP_ALL_PROVIDERS_REQUEST_MESSAGE:
           // These messages are handled specially by the ProviderManagerService
           PEGASUS_ASSERT(0);
           break;
   
       case CIM_INITIALIZE_PROVIDER_REQUEST_MESSAGE:
       {
           // Provider information is already in the message
           const CIMInitializeProviderRequestMessage* request =
               dynamic_cast<const CIMInitializeProviderRequestMessage*>(message);
   
           const ProviderIdContainer container =
               request->operationContext.get(ProviderIdContainer::NAME);
           providerModule = container.getModule();
           provider = container.getProvider();
           break;
       }
   
       }
   
       PEGASUS_ASSERT(!providerModule.isUninitialized());
       PEGASUS_ASSERT(!provider.isUninitialized());
   
       PEG_METHOD_EXIT();
       return ProviderIdContainer(providerModule, provider);
   }
   
   // Updates the providerModule instance and the ProviderRegistrationManager
   void ProviderManagerService::_updateProviderModuleStatus(
       CIMInstance& providerModule,
       Uint16 fromStatus,
       Uint16 toStatus)
   {
       PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
           "ProviderManagerService::_updateProviderModuleStatus");
   
       Array<Uint16> operationalStatus;
       String providerModuleName;
   
       Uint32 pos = providerModule.findProperty(CIMName("Name"));
       PEGASUS_ASSERT(pos != PEG_NOT_FOUND);
       providerModule.getProperty(pos).getValue().get(providerModuleName);
   
       //
       // get operational status
       //
       pos = providerModule.findProperty(CIMName("OperationalStatus"));
       PEGASUS_ASSERT(pos != PEG_NOT_FOUND);
       CIMProperty operationalStatusProperty = providerModule.getProperty(pos);
       CIMValue operationalStatusValue = operationalStatusProperty.getValue();
   
       if (!operationalStatusValue.isNull())
       {
           operationalStatusValue.get(operationalStatus);
       }
   
       //
       // update module status
       //
       for (Uint32 i = operationalStatus.size(); i > 0; i--)
       {
           if (operationalStatus[i-1] == fromStatus)
           {
               operationalStatus.remove(i-1);
           }
       }
   
       operationalStatus.append(toStatus);
   
       if (_providerRegistrationManager->setProviderModuleStatus(
               providerModuleName, operationalStatus) == false)
       {
           throw PEGASUS_CIM_EXCEPTION_L(
               CIM_ERR_FAILED,
               MessageLoaderParms(
                   "ProviderManager.ProviderManagerService."
                       "SET_MODULE_STATUS_FAILED",
                   "set module status failed."));
       }
   
       operationalStatusProperty.setValue(CIMValue(operationalStatus));
   
       PEG_METHOD_EXIT();
   }
   
   void ProviderManagerService::indicationCallback(
       CIMProcessIndicationRequestMessage* request)
   {
       if (_indicationServiceQueueId == PEG_NOT_FOUND)
       {
           Array<Uint32> serviceIds;
   
           providerManagerService->find_services(
               PEGASUS_QUEUENAME_INDICATIONSERVICE, 0, 0, &serviceIds);
           PEGASUS_ASSERT(serviceIds.size() != 0);
   
           _indicationServiceQueueId = serviceIds[0];
       }
   
       request->queueIds = QueueIdStack(
           _indicationServiceQueueId, providerManagerService->getQueueId());
   
       AsyncLegacyOperationStart * asyncRequest =
           new AsyncLegacyOperationStart(
           providerManagerService->get_next_xid(),
           0,
           _indicationServiceQueueId,
           request,
           _indicationServiceQueueId);
   
       providerManagerService->SendForget(asyncRequest);
   }
   
   PEGASUS_NAMESPACE_END

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