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

Diff for /pegasus/src/Pegasus/ProviderManager2/Attic/OOPProviderManagerRouter.cpp between version 1.25.2.1 and 1.32

version 1.25.2.1, 2006/02/28 19:53:29 version 1.32, 2006/08/09 21:13:00
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 // //
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
   #include <Pegasus/Common/Signal.h>
 #include <Pegasus/Common/Config.h> #include <Pegasus/Common/Config.h>
 #include <Pegasus/Common/Constants.h> #include <Pegasus/Common/Constants.h>
 #include <Pegasus/Common/AutoPtr.h> #include <Pegasus/Common/AutoPtr.h>
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 { {
 public: public:
     OutstandingRequestEntry(     OutstandingRequestEntry(
         String messageId_,          String originalMessageId_,
         CIMRequestMessage* requestMessage_,         CIMRequestMessage* requestMessage_,
         CIMResponseMessage*& responseMessage_,         CIMResponseMessage*& responseMessage_,
         Semaphore* responseReady_)         Semaphore* responseReady_)
         : messageId(messageId_),          : originalMessageId(originalMessageId_),
           requestMessage(requestMessage_),           requestMessage(requestMessage_),
           responseMessage(responseMessage_),           responseMessage(responseMessage_),
           responseReady(responseReady_)           responseReady(responseReady_)
     {     {
     }     }
  
     String messageId;      /**
           A unique value is substituted as the request messageId attribute to
           allow responses to be definitively correllated with requests.
           The original messageId value is stored here to avoid a race condition
           between the processing of a response chunk and the resetting of the
           original messageId in the request message.
        */
       String originalMessageId;
     CIMRequestMessage* requestMessage;     CIMRequestMessage* requestMessage;
     CIMResponseMessage*& responseMessage;     CIMResponseMessage*& responseMessage;
     Semaphore* responseReady;     Semaphore* responseReady;
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     ProviderAgentContainer(     ProviderAgentContainer(
         const String & moduleName,         const String & moduleName,
         const String & userName,         const String & userName,
           Uint16 userContext,
         PEGASUS_INDICATION_CALLBACK_T indicationCallback,         PEGASUS_INDICATION_CALLBACK_T indicationCallback,
         PEGASUS_RESPONSE_CHUNK_CALLBACK_T responseChunkCallback,         PEGASUS_RESPONSE_CHUNK_CALLBACK_T responseChunkCallback,
           PEGASUS_PROVIDERMODULEFAIL_CALLBACK_T providerModuleFailCallback,
         Boolean subscriptionInitComplete);         Boolean subscriptionInitComplete);
  
     ~ProviderAgentContainer();     ~ProviderAgentContainer();
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         the connection is closed.         the connection is closed.
      */      */
     void _processResponses();     void _processResponses();
     static PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL      static ThreadReturnType PEGASUS_THREAD_CDECL
         _responseProcessor(void* arg);         _responseProcessor(void* arg);
  
     //     //
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     String _userName;     String _userName;
  
     /**     /**
           User Context setting of the provider module served by this Provider
           Agent.
        */
       Uint16 _userContext;
   
       /**
         Callback function to which all generated indications are sent for         Callback function to which all generated indications are sent for
         processing.         processing.
      */      */
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     PEGASUS_RESPONSE_CHUNK_CALLBACK_T _responseChunkCallback;     PEGASUS_RESPONSE_CHUNK_CALLBACK_T _responseChunkCallback;
  
     /**     /**
           Callback function to be called upon detection of failure of a
           provider module.
        */
       PEGASUS_PROVIDERMODULEFAIL_CALLBACK_T _providerModuleFailCallback;
   
       /**
         Indicates whether the Provider Agent is active.         Indicates whether the Provider Agent is active.
      */      */
     Boolean _isInitialized;     Boolean _isInitialized;
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 ProviderAgentContainer::ProviderAgentContainer( ProviderAgentContainer::ProviderAgentContainer(
     const String & moduleName,     const String & moduleName,
     const String & userName,     const String & userName,
       Uint16 userContext,
     PEGASUS_INDICATION_CALLBACK_T indicationCallback,     PEGASUS_INDICATION_CALLBACK_T indicationCallback,
     PEGASUS_RESPONSE_CHUNK_CALLBACK_T responseChunkCallback,     PEGASUS_RESPONSE_CHUNK_CALLBACK_T responseChunkCallback,
       PEGASUS_PROVIDERMODULEFAIL_CALLBACK_T providerModuleFailCallback,
     Boolean subscriptionInitComplete)     Boolean subscriptionInitComplete)
     : _moduleName(moduleName),     : _moduleName(moduleName),
       _userName(userName),       _userName(userName),
         _userContext(userContext),
       _indicationCallback(indicationCallback),       _indicationCallback(indicationCallback),
       _responseChunkCallback(responseChunkCallback),       _responseChunkCallback(responseChunkCallback),
         _providerModuleFailCallback(providerModuleFailCallback),
       _isInitialized(false),       _isInitialized(false),
       _subscriptionInitComplete(subscriptionInitComplete)       _subscriptionInitComplete(subscriptionInitComplete)
 { {
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             // Wait for the responseProcessor thread to exit             // Wait for the responseProcessor thread to exit
             while (isInitialized())             while (isInitialized())
             {             {
                 pegasus_yield();                  Threads::yield();
             }             }
         }         }
     }     }
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     }     }
 #elif defined (PEGASUS_OS_OS400) #elif defined (PEGASUS_OS_OS400)
  
     //Out of provider support for OS400 goes here when needed.      //Out of process provider support for OS400 goes here when needed.
  
 #else #else
   
   # ifndef PEGASUS_DISABLE_PROV_USERCTXT
       // Get and save the effective user name and the uid/gid for the user
       // context of the agent process
   
       String effectiveUserName = System::getEffectiveUserName();
       PEGASUS_UID_T newUid = (PEGASUS_UID_T) -1;
       PEGASUS_GID_T newGid = (PEGASUS_GID_T) -1;
       if (_userName != effectiveUserName)
       {
           if (!System::lookupUserId(_userName.getCString(), newUid, newGid))
           {
               throw PEGASUS_CIM_EXCEPTION_L(
                   CIM_ERR_FAILED,
                   MessageLoaderParms(
                       "ProviderManager.OOPProviderManagerRouter."
                           "USER_CONTEXT_CHANGE_FAILED",
                       "Unable to change user context to \"$0\".", _userName));
           }
       }
   # endif
   
     pid_t pid = fork();     pid_t pid = fork();
     if (pid < 0)     if (pid < 0)
     {     {
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 #ifndef PEGASUS_DISABLE_PROV_USERCTXT #ifndef PEGASUS_DISABLE_PROV_USERCTXT
             // Set the user context of the Provider Agent process             // Set the user context of the Provider Agent process
             if (_userName != System::getEffectiveUserName())              if (_userName != effectiveUserName)
             {             {
                 if (!System::changeUserContext(_userName.getCString()))                  if (!System::changeUserContext(newUid, newGid))
                 {                 {
                     Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,                     Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                         "System::changeUserContext() failed.  userName = %s.",                         "System::changeUserContext() failed.  userName = %s.",
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         {         {
             if (rtn == PEGASUS_THREAD_INSUFFICIENT_RESOURCES)             if (rtn == PEGASUS_THREAD_INSUFFICIENT_RESOURCES)
             {             {
                 pegasus_yield();                  Threads::yield();
             }             }
             else             else
             {             {
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                  i != 0; i++)                  i != 0; i++)
             {             {
                 PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL2,                 PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL2,
                     String("Completing messageId \"") + i.value()->messageId +                      String("Completing messageId \"") + i.key() +
                         "\" with a null response.");                         "\" with a null response.");
                 i.value()->responseMessage = response;                 i.value()->responseMessage = response;
                 i.value()->responseReady->signal();                 i.value()->responseReady->signal();
             }             }
  
             _outstandingRequestTable.clear();             _outstandingRequestTable.clear();
   
               //
               //  If not a clean shutdown, call the provider module failure
               //  callback
               //
               if (!cleanShutdown)
               {
                   //
                   //  Call the provider module failure callback to
                   //  communicate the failure to the Provider Manager Service
                   //  Provider Manager Service will inform Indication Service
                   //
                   _providerModuleFailCallback (_moduleName, _userName,
                       _userContext);
               }
         }         }
     }     }
     catch (...)     catch (...)
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         //         //
         Semaphore waitSemaphore(0);         Semaphore waitSemaphore(0);
         OutstandingRequestEntry outstandingRequestEntry(         OutstandingRequestEntry outstandingRequestEntry(
             uniqueMessageId, request, response, &waitSemaphore);              originalMessageId, request, response, &waitSemaphore);
  
         //         //
         // Lock the Provider Agent Container while initializing the         // Lock the Provider Agent Container while initializing the
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             // Get the provider module from the ProviderIdContainer to see if             // Get the provider module from the ProviderIdContainer to see if
             // we can optimize out the transmission of this instance to the             // we can optimize out the transmission of this instance to the
             // Provider Agent.  (See the _providerModuleCache description.)             // Provider Agent.  (See the _providerModuleCache description.)
             try              if(request->operationContext.contains(ProviderIdContainer::NAME))
             {             {
                 ProviderIdContainer pidc = request->operationContext.get(                 ProviderIdContainer pidc = request->operationContext.get(
                     ProviderIdContainer::NAME);                     ProviderIdContainer::NAME);
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                     doProviderModuleOptimization = true;                     doProviderModuleOptimization = true;
                 }                 }
             }             }
             catch (...)  
             {  
                 // No ProviderIdContainer to optimize  
             }  
  
             //             //
             // Write the message to the pipe             // Write the message to the pipe
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                 // Put the original message ID into the response                 // Put the original message ID into the response
                 response->messageId =                 response->messageId =
                     _outstandingRequestEntry->requestMessage->messageId;                      _outstandingRequestEntry->originalMessageId;
  
                 // Call the response chunk callback to process the chunk                 // Call the response chunk callback to process the chunk
                 _responseChunkCallback(                 _responseChunkCallback(
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 } }
  
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL  ThreadReturnType PEGASUS_THREAD_CDECL
 ProviderAgentContainer::_responseProcessor(void* arg) ProviderAgentContainer::_responseProcessor(void* arg)
 { {
     ProviderAgentContainer* pa =     ProviderAgentContainer* pa =
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     pa->_processResponses();     pa->_processResponses();
  
     return(PEGASUS_THREAD_RETURN(0));      return(ThreadReturnType(0));
 } }
  
 ///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
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 OOPProviderManagerRouter::OOPProviderManagerRouter( OOPProviderManagerRouter::OOPProviderManagerRouter(
     PEGASUS_INDICATION_CALLBACK_T indicationCallback,     PEGASUS_INDICATION_CALLBACK_T indicationCallback,
     PEGASUS_RESPONSE_CHUNK_CALLBACK_T responseChunkCallback)      PEGASUS_RESPONSE_CHUNK_CALLBACK_T responseChunkCallback,
       PEGASUS_PROVIDERMODULEFAIL_CALLBACK_T providerModuleFailCallback)
 { {
     PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,     PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
         "OOPProviderManagerRouter::OOPProviderManagerRouter");         "OOPProviderManagerRouter::OOPProviderManagerRouter");
  
     _indicationCallback = indicationCallback;     _indicationCallback = indicationCallback;
     _responseChunkCallback = responseChunkCallback;     _responseChunkCallback = responseChunkCallback;
       _providerModuleFailCallback = providerModuleFailCallback;
     _subscriptionInitComplete = false;     _subscriptionInitComplete = false;
  
     PEG_METHOD_EXIT();     PEG_METHOD_EXIT();
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     }     }
     else     else
     {     {
           //
           // Look up the Provider Agent for this module instance and requesting
           // user
           //
           ProviderAgentContainer* pa = _lookupProviderAgent(providerModule,
               request);
           PEGASUS_ASSERT(pa != 0);
   
           //
           // Forward the request to the provider agent
           //
           response.reset(pa->processMessage(request));
       }
   
       response->syncAttributes(request);
   
       PEG_METHOD_EXIT();
       return response.release();
   }
   
   ProviderAgentContainer* OOPProviderManagerRouter::_lookupProviderAgent(
       const CIMInstance& providerModule,
       CIMRequestMessage* request)
   {
         // Retrieve the provider module name         // Retrieve the provider module name
         String moduleName;         String moduleName;
         CIMValue nameValue = providerModule.getProperty(         CIMValue nameValue = providerModule.getProperty(
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         if (userContext == 0)         if (userContext == 0)
         {         {
             userContext = PG_PROVMODULE_USERCTXT_PRIVILEGED;          userContext = PEGASUS_DEFAULT_PROV_USERCTXT;
         }         }
  
         String userName;         String userName;
  
         if (userContext == PG_PROVMODULE_USERCTXT_REQUESTOR)         if (userContext == PG_PROVMODULE_USERCTXT_REQUESTOR)
         {         {
             try          if(request->operationContext.contains(IdentityContainer::NAME))
             {             {
                 // User Name is in the OperationContext                 // User Name is in the OperationContext
                 IdentityContainer ic = (IdentityContainer)                 IdentityContainer ic = (IdentityContainer)
                     request->operationContext.get(IdentityContainer::NAME);                     request->operationContext.get(IdentityContainer::NAME);
                 userName = ic.getUserName();                 userName = ic.getUserName();
             }             }
             catch (Exception& e)          //else
             {          //{
                 // If no IdentityContainer is present, default to the CIM                 // If no IdentityContainer is present, default to the CIM
                 // Server's user context                 // Server's user context
             }          //}
  
             // If authentication is disabled, use the CIM Server's user context             // If authentication is disabled, use the CIM Server's user context
             if (!userName.size())             if (!userName.size())
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         }         }
         else if (userContext == PG_PROVMODULE_USERCTXT_DESIGNATED)         else if (userContext == PG_PROVMODULE_USERCTXT_DESIGNATED)
         {         {
             // Retrieve the provider module name          // Retrieve the provider module designated user property value
             providerModule.getProperty(providerModule.findProperty(             providerModule.getProperty(providerModule.findProperty(
                 PEGASUS_PROPERTYNAME_MODULE_DESIGNATEDUSER)).getValue().                 PEGASUS_PROPERTYNAME_MODULE_DESIGNATEDUSER)).getValue().
                 get(userName);                 get(userName);
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         PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL4,         PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL4,
             "User name = " + userName);             "User name = " + userName);
  
         // Look up the Provider Agent for this module and user  
         ProviderAgentContainer* pa = _lookupProviderAgent(moduleName, userName);  
         PEGASUS_ASSERT(pa != 0);  
   
         //  
         // Forward the request to the provider agent  
         //  
         response.reset(pa->processMessage(request));  
     }  
   
     response->syncAttributes(request);  
   
     PEG_METHOD_EXIT();  
     return response.release();  
 }  
   
 ProviderAgentContainer* OOPProviderManagerRouter::_lookupProviderAgent(  
     const String& moduleName,  
     const String& userName)  
 {  
     ProviderAgentContainer* pa = 0;     ProviderAgentContainer* pa = 0;
     String key = moduleName + ":" + userName;     String key = moduleName + ":" + userName;
  
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     if (!_providerAgentTable.lookup(key, pa))     if (!_providerAgentTable.lookup(key, pa))
     {     {
         pa = new ProviderAgentContainer(         pa = new ProviderAgentContainer(
             moduleName, userName, _indicationCallback, _responseChunkCallback,              moduleName, userName, userContext,
               _indicationCallback, _responseChunkCallback,
               _providerModuleFailCallback,
             _subscriptionInitComplete);             _subscriptionInitComplete);
         _providerAgentTable.insert(key, pa);         _providerAgentTable.insert(key, pa);
     }     }

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