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Diff for /pegasus/src/Pegasus/Common/MessageQueueService.cpp between version 1.117 and 1.151

version 1.117, 2005/10/14 17:40:18 version 1.151, 2008/11/05 05:24:34
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 //%2005////////////////////////////////////////////////////////////////////////  //%2006////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
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 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 // EMC Corporation; VERITAS Software Corporation; The Open Group. // EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; Symantec 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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 // //
 //============================================================================== //==============================================================================
 // //
 // Author: Mike Day (mdday@us.ibm.com)  
 //  
 // Modified By:  
 //              Amit K Arora, IBM (amita@in.ibm.com) for Bug#1090,#2657  
 //              Josephine Eskaline Joyce, IBM (jojustin@in.ibm.com) for Bug#3259  
 //              Jim Wunderlich (Jim_Wunderlich@prodigy.net)  
 //  
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 // #include <iostream.h>  
 #include "MessageQueueService.h" #include "MessageQueueService.h"
 #include <Pegasus/Common/Tracer.h> #include <Pegasus/Common/Tracer.h>
 #include <Pegasus/Common/MessageLoader.h> //l10n  #include <Pegasus/Common/MessageLoader.h>
  
 PEGASUS_NAMESPACE_BEGIN PEGASUS_NAMESPACE_BEGIN
  
 cimom *MessageQueueService::_meta_dispatcher = 0; cimom *MessageQueueService::_meta_dispatcher = 0;
 AtomicInt MessageQueueService::_service_count = 0;  AtomicInt MessageQueueService::_service_count(0);
 AtomicInt MessageQueueService::_xid(1);  
 Mutex MessageQueueService::_meta_dispatcher_mutex; Mutex MessageQueueService::_meta_dispatcher_mutex;
  
 static struct timeval deallocateWait = {300, 0}; static struct timeval deallocateWait = {300, 0};
  
 ThreadPool *MessageQueueService::_thread_pool = 0; ThreadPool *MessageQueueService::_thread_pool = 0;
  
 DQueue<MessageQueueService> MessageQueueService::_polling_list(true);  MessageQueueService::PollingList* MessageQueueService::_polling_list;
   Mutex MessageQueueService::_polling_list_mutex;
  
 Thread* MessageQueueService::_polling_thread = 0; Thread* MessageQueueService::_polling_thread = 0;
  
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 Uint32 max_threads_per_svc_queue; Uint32 max_threads_per_svc_queue;
  
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL  ThreadReturnType PEGASUS_THREAD_CDECL MessageQueueService::polling_routine(
 MessageQueueService::kill_idle_threads(void *parm)      void* parm)
 {  
   
    static struct timeval now, last = {0,0};  
    gettimeofday(&now, NULL);  
    int dead_threads = 0;  
   
    if (now.tv_sec - last.tv_sec > 120)  
    {  
       gettimeofday(&last, NULL);  
       try  
       {  
          dead_threads = MessageQueueService::_thread_pool->cleanupIdleThreads();  
       }  
       catch(...)  
       {  
   
       }  
    }  
   
 #ifdef PEGASUS_POINTER_64BIT  
    return (PEGASUS_THREAD_RETURN)(Uint64)dead_threads;  
 #elif PEGASUS_PLATFORM_AIX_RS_IBMCXX  
    return (PEGASUS_THREAD_RETURN)(unsigned long)dead_threads;  
 #else  
    return (PEGASUS_THREAD_RETURN)(Uint32)dead_threads;  
 #endif  
 }  
   
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::polling_routine(void *parm)  
 { {
    Thread *myself = reinterpret_cast<Thread *>(parm);    Thread *myself = reinterpret_cast<Thread *>(parm);
    DQueue<MessageQueueService> *list = reinterpret_cast<DQueue<MessageQueueService> *>(myself->get_parm());      List<MessageQueueService, Mutex> *list =
    while (_stop_polling.value()  == 0)          reinterpret_cast<List<MessageQueueService, Mutex>*>(myself->get_parm());
   
       while (_stop_polling.get()  == 0)
    {    {
       _polling_sem.wait();       _polling_sem.wait();
  
       if (_stop_polling.value() != 0)          if (_stop_polling.get() != 0)
       {       {
          break;          break;
       }       }
  
       // The polling_routine thread must hold the lock on the       // The polling_routine thread must hold the lock on the
       // _polling_thread list while processing incoming messages.          // _polling_list while processing incoming messages.
       // This lock is used to give this thread ownership of       // This lock is used to give this thread ownership of
       // services on the _polling_routine list.       // services on the _polling_routine list.
  
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       // (e.g., MessageQueueServer::~MessageQueueService).       // (e.g., MessageQueueServer::~MessageQueueService).
  
       list->lock();       list->lock();
       MessageQueueService *service = list->next(0);          MessageQueueService *service = list->front();
       ThreadStatus rtn = PEGASUS_THREAD_OK;       ThreadStatus rtn = PEGASUS_THREAD_OK;
       while (service != NULL)       while (service != NULL)
       {       {
           if ((service->_incoming.count() > 0) &&           if ((service->_incoming.count() > 0) &&
               (service->_die.value() == 0) &&                  (service->_die.get() == 0) &&
               (service->_threads < max_threads_per_svc_queue))                  (service->_threads.get() < max_threads_per_svc_queue))
           {           {
              // The _threads count is used to track the              // The _threads count is used to track the
              // number of active threads that have been allocated              // number of active threads that have been allocated
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              if (rtn != PEGASUS_THREAD_OK )              if (rtn != PEGASUS_THREAD_OK )
              {              {
                  service->_threads--;                  service->_threads--;
                  Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE,                      PEG_TRACE((TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL1,
                     "Not enough threads to process this request. Skipping.");                          "Could not allocate thread for %s.  Queue has %d "
                               "messages waiting and %d threads servicing."
                  Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2,  
                     "Could not allocate thread for %s. " \  
                     "Queue has %d messages waiting and %d threads servicing." \  
                     "Skipping the service for right now. ",                     "Skipping the service for right now. ",
                     service->getQueueName(),                     service->getQueueName(),
                     service->_incoming.count(),                     service->_incoming.count(),
                     service->_threads.value());                          service->_threads.get()));
  
                  pegasus_yield();                      Threads::yield();
                  service = NULL;                  service = NULL;
               }               }
           }           }
           if (service != NULL)           if (service != NULL)
           {           {
              service = list->next(service);                  service = list->next_of(service);
           }           }
       }       }
       list->unlock();       list->unlock();
   
       if (_check_idle_flag.value() != 0)  
       {  
          _check_idle_flag = 0;  
          // try to do idle thread clean up processing when system is not busy  
          // if system is busy there may not be a thread available to allocate  
          // so nothing will be done and that is OK.  
   
          if ( _thread_pool->allocate_and_awaken(service, kill_idle_threads, &_polling_sem) != PEGASUS_THREAD_OK)  
          {  
                 Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE,  
                         "Not enough threads to kill idle threads. What an irony.");  
   
                 Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2,  
                         "Could not allocate thread to kill idle threads." \  
                         "Skipping. ");  
          }  
   
   
       }  
    }    }
    myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );      return ThreadReturnType(0);
    return(0);  
 } }
  
  
 Semaphore MessageQueueService::_polling_sem(0); Semaphore MessageQueueService::_polling_sem(0);
 AtomicInt MessageQueueService::_stop_polling(0); AtomicInt MessageQueueService::_stop_polling(0);
 AtomicInt MessageQueueService::_check_idle_flag(0);  
  
  
 MessageQueueService::MessageQueueService( MessageQueueService::MessageQueueService(
    const char *name,    const char *name,
    Uint32 queueID,      Uint32 queueID)
    Uint32 capabilities,  
    Uint32 mask)  
    : Base(name, true,  queueID),    : Base(name, true,  queueID),
      _mask(mask),  
      _die(0),      _die(0),
      _threads(0),      _threads(0),
      _incoming(true, 0),        _incoming(),
      _incoming_queue_shutdown(0)      _incoming_queue_shutdown(0)
 { {
       _isRunning = true;
    _capabilities = (capabilities | module_capabilities::async);  
   
    _default_op_timeout.tv_sec = 30;  
    _default_op_timeout.tv_usec = 100;  
  
    max_threads_per_svc_queue = MAX_THREADS_PER_SVC_QUEUE;    max_threads_per_svc_queue = MAX_THREADS_PER_SVC_QUEUE;
  
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        max_threads_per_svc_queue = MAX_THREADS_PER_SVC_QUEUE_LIMIT;        max_threads_per_svc_queue = MAX_THREADS_PER_SVC_QUEUE_LIMIT;
    }    }
  
    Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2,      PEG_TRACE((TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3,
       "max_threads_per_svc_queue set to %u.", max_threads_per_svc_queue);         "max_threads_per_svc_queue set to %u.", max_threads_per_svc_queue));
  
    AutoMutex autoMut(_meta_dispatcher_mutex);    AutoMutex autoMut(_meta_dispatcher_mutex);
  
    if (_meta_dispatcher == 0)    if (_meta_dispatcher == 0)
    {    {
       _stop_polling = 0;       _stop_polling = 0;
       PEGASUS_ASSERT(_service_count.value() == 0);          PEGASUS_ASSERT(_service_count.get() == 0);
       _meta_dispatcher = new cimom();       _meta_dispatcher = new cimom();
       if (_meta_dispatcher == NULL)  
       {  
          throw NullPointer();  
       }  
       //  _thread_pool = new ThreadPool(initial_cnt, "MessageQueueService",       //  _thread_pool = new ThreadPool(initial_cnt, "MessageQueueService",
       //   minimum_cnt, maximum_cnt, deallocateWait);       //   minimum_cnt, maximum_cnt, deallocateWait);
       //       //
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    }    }
    _service_count++;    _service_count++;
  
    if (false == register_service(name, _capabilities, _mask))      _get_polling_list()->insert_back(this);
    {  
       //l10n  
       //throw BindFailedException("MessageQueueService Base Unable to register with  Meta Dispatcher");  
       MessageLoaderParms parms("Common.MessageQueueService.UNABLE_TO_REGISTER",  
          "MessageQueueService Base Unable to register with  Meta Dispatcher");  
   
       throw BindFailedException(parms);  
    }  
   
    _polling_list.insert_last(this);  
   
 } }
  
  
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    // prior to processing, avoids synchronization issues    // prior to processing, avoids synchronization issues
    // with the _polling_routine.    // with the _polling_routine.
  
    _polling_list.remove(this);      // ATTN: added to prevent assertion in List in which the list does not
       // contain this element.
   
       if (_get_polling_list()->contains(this))
           _get_polling_list()->remove(this);
  
    // ATTN: The code for closing the _incoming queue    // ATTN: The code for closing the _incoming queue
    // is not working correctly. In OpenPegasus 2.5,    // is not working correctly. In OpenPegasus 2.5,
    // execution of the following code is very timing    // execution of the following code is very timing
    // dependent. This needs to be fix.    // dependent. This needs to be fix.
    // See Bug 4079 for details.    // See Bug 4079 for details.
    if (_incoming_queue_shutdown.value() == 0)      if (_incoming_queue_shutdown.get() == 0)
    {    {
        _shutdown_incoming_queue();        _shutdown_incoming_queue();
    }    }
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    // Wait until all threads processing the messages    // Wait until all threads processing the messages
    // for this service have completed.    // for this service have completed.
  
    while (_threads.value() > 0)      while (_threads.get() > 0)
    {    {
       pegasus_yield();          Threads::yield();
    }    }
  
    {    {
      AutoMutex autoMut(_meta_dispatcher_mutex);      AutoMutex autoMut(_meta_dispatcher_mutex);
      _service_count--;      _service_count--;
      if (_service_count.value() == 0)          if (_service_count.get() == 0)
      {      {
  
       _stop_polling++;       _stop_polling++;
       _polling_sem.signal();       _polling_sem.signal();
       if (_polling_thread) {              if (_polling_thread)
               {
           _polling_thread->join();           _polling_thread->join();
           delete _polling_thread;           delete _polling_thread;
           _polling_thread = 0;           _polling_thread = 0;
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       _thread_pool = 0;       _thread_pool = 0;
      }      }
    } // mutex unlocks here    } // mutex unlocks here
    // Clean up in case there are extra stuff on the queue.  
   while (_incoming.count())      // Clean up any extra stuff on the queue.
   {      AsyncOpNode* op = 0;
     try {      while ((op = _incoming.dequeue()))
       delete _incoming.remove_first();  
     } catch (const ListClosed &e)  
     {     {
       // If the list is closed, there is nothing we can do.          delete op;
       break;  
     }  
   }   }
 } }
  
 void MessageQueueService::_shutdown_incoming_queue() void MessageQueueService::_shutdown_incoming_queue()
 { {
    if (_incoming_queue_shutdown.value() > 0)      if (_incoming_queue_shutdown.get() > 0)
       return;       return;
  
    AsyncIoctl *msg = new AsyncIoctl(    AsyncIoctl *msg = new AsyncIoctl(
       get_next_xid(),  
       0,       0,
       _queueId,       _queueId,
       _queueId,       _queueId,
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       0);       0);
  
    msg->op = get_op();    msg->op = get_op();
    msg->op->_flags |= ASYNC_OPFLAGS_FIRE_AND_FORGET;      msg->op->_flags = ASYNC_OPFLAGS_FIRE_AND_FORGET;
    msg->op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK  
        | ASYNC_OPFLAGS_SIMPLE_STATUS);  
    msg->op->_state &= ~ASYNC_OPSTATE_COMPLETE;  
  
    msg->op->_op_dest = this;    msg->op->_op_dest = this;
    msg->op->_request.insert_first(msg);      msg->op->_request.reset(msg);
    try {      if (_incoming.enqueue(msg->op))
      _incoming.insert_last_wait(msg->op);      {
      _polling_sem.signal();      _polling_sem.signal();
    } catch (const ListClosed &)      }
       else
    {    {
         // This means the queue has already been shut-down (happens  when there         // This means the queue has already been shut-down (happens  when there
     // are two AsyncIoctrl::IO_CLOSE messages generated and one got first     // are two AsyncIoctrl::IO_CLOSE messages generated and one got first
     // processed.     // processed.
      delete msg;      delete msg;
    }    }
    catch (const Permission &)  
    {  
      delete msg;  
    }  
 } }
  
  
   
 void MessageQueueService::enqueue(Message *msg) void MessageQueueService::enqueue(Message *msg)
 { {
    PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, "MessageQueueService::enqueue()");    PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, "MessageQueueService::enqueue()");
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 } }
  
  
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(  ThreadReturnType PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(
     void * parm)     void * parm)
 { {
     MessageQueueService* service =     MessageQueueService* service =
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     PEGASUS_ASSERT(service != 0);     PEGASUS_ASSERT(service != 0);
     try     try
     {     {
           if (service->_die.get() != 0)
         if (service->_die.value() != 0)  
         {         {
             service->_threads--;             service->_threads--;
             return (0);              return 0;
         }         }
         // pull messages off the incoming queue and dispatch them. then         // pull messages off the incoming queue and dispatch them. then
         // check pending messages that are non-blocking         // check pending messages that are non-blocking
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         // many operations may have been queued.         // many operations may have been queued.
         do         do
         {         {
             try              operation = service->_incoming.dequeue();
             {  
                 operation = service->_incoming.remove_first();  
             }  
             catch (ListClosed &)  
             {  
                 // ATTN: This appears to be a common loop exit path.  
                 //PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,  
                 //    "Caught ListClosed exception.  Exiting _req_proc.");  
                 break;  
             }  
  
             if (operation)             if (operation)
             {             {
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     }     }
     catch (const Exception& e)     catch (const Exception& e)
     {     {
         PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,          PEG_TRACE((TRC_DISCARDED_DATA, Tracer::LEVEL1,
             String("Caught exception: \"") + e.getMessage() +              "Caught exception: \"%s\".  Exiting _req_proc.",
                 "\".  Exiting _req_proc.");              (const char*)e.getMessage().getCString()));
     }     }
     catch (...)     catch (...)
     {     {
         PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,          PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1,
             "Caught unrecognized exception.  Exiting _req_proc.");             "Caught unrecognized exception.  Exiting _req_proc.");
     }     }
     service->_threads--;     service->_threads--;
     return(0);      return 0;
 } }
  
  
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 // including op, op->_callback_node, and op->_callback_ptr // including op, op->_callback_node, and op->_callback_ptr
 void MessageQueueService::_handle_async_callback(AsyncOpNode *op) void MessageQueueService::_handle_async_callback(AsyncOpNode *op)
 { {
    if (op->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK)      PEGASUS_ASSERT(op->_flags == ASYNC_OPFLAGS_CALLBACK);
    {  
   
       Message *msg = op->get_request();  
       if (msg && (msg->getMask() & message_mask::ha_async))  
       {  
          if (msg->getType() == async_messages::ASYNC_LEGACY_OP_START)  
          {  
             AsyncLegacyOperationStart *wrapper =  
                static_cast<AsyncLegacyOperationStart *>(msg);  
             msg = wrapper->get_action();  
             delete wrapper;  
          }  
          else if (msg->getType() == async_messages::ASYNC_MODULE_OP_START)  
          {  
             AsyncModuleOperationStart *wrapper =  
                static_cast<AsyncModuleOperationStart *>(msg);  
             msg = wrapper->get_action();  
             delete wrapper;  
          }  
          else if (msg->getType() == async_messages::ASYNC_OP_START)  
          {  
             AsyncOperationStart *wrapper =  
                static_cast<AsyncOperationStart *>(msg);  
             msg = wrapper->get_action();  
             delete wrapper;  
          }  
          delete msg;  
       }  
   
       msg = op->get_response();  
       if (msg && (msg->getMask() & message_mask::ha_async))  
       {  
          if (msg->getType() == async_messages::ASYNC_LEGACY_OP_RESULT)  
          {  
             AsyncLegacyOperationResult *wrapper =  
                static_cast<AsyncLegacyOperationResult *>(msg);  
             msg = wrapper->get_result();  
             delete wrapper;  
          }  
          else if (msg->getType() == async_messages::ASYNC_MODULE_OP_RESULT)  
          {  
             AsyncModuleOperationResult *wrapper =  
                static_cast<AsyncModuleOperationResult *>(msg);  
             msg = wrapper->get_result();  
             delete wrapper;  
          }  
       }  
       void (*callback)(Message *, void *, void *) = op->__async_callback;  
       void *handle = op->_callback_handle;  
       void *parm = op->_callback_parameter;  
       op->release();  
       return_op(op);  
       callback(msg, handle, parm);  
    }  
    else if (op->_flags & ASYNC_OPFLAGS_CALLBACK)  
    {  
       // note that _callback_node may be different from op       // note that _callback_node may be different from op
       // op->_callback_response_q is a "this" pointer we can use for       // op->_callback_response_q is a "this" pointer we can use for
       // static callback methods       // static callback methods
       op->_async_callback(op->_callback_node, op->_callback_response_q, op->_callback_ptr);      op->_async_callback(
    }          op->_callback_node, op->_callback_response_q, op->_callback_ptr);
 } }
  
  
Line 533 
Line 380 
 { {
    if (operation != 0)    if (operation != 0)
    {    {
           Message *rq = operation->_request.get();
 // ATTN: optimization  
 // << Tue Feb 19 14:10:38 2002 mdd >>  
       operation->lock();  
   
       Message *rq = operation->_request.next(0);  
  
 // optimization <<< Thu Mar  7 21:04:05 2002 mdd >>> // optimization <<< Thu Mar  7 21:04:05 2002 mdd >>>
 // move this to the bottom of the loop when the majority of // move this to the bottom of the loop when the majority of
 // messages become async messages. // messages become async messages.
  
       // divert legacy messages to handleEnqueue       // divert legacy messages to handleEnqueue
       if ((rq != 0) && (!(rq->getMask() & message_mask::ha_async)))          if ((rq != 0) && (!(rq->getMask() & MessageMask::ha_async)))
       {       {
          rq = operation->_request.remove_first() ;              operation->_request.release();
          operation->unlock();  
          // delete the op node          // delete the op node
          operation->release();  
          return_op(operation);          return_op(operation);
   
          handleEnqueue(rq);          handleEnqueue(rq);
          return;          return;
       }       }
  
       if ((operation->_flags & ASYNC_OPFLAGS_CALLBACK ||          if ((operation->_flags & ASYNC_OPFLAGS_CALLBACK) &&
            operation->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK) &&  
           (operation->_state & ASYNC_OPSTATE_COMPLETE))           (operation->_state & ASYNC_OPSTATE_COMPLETE))
       {       {
          operation->unlock();  
          _handle_async_callback(operation);          _handle_async_callback(operation);
       }       }
       else       else
       {       {
          PEGASUS_ASSERT(rq != 0);          PEGASUS_ASSERT(rq != 0);
          operation->unlock();  
          _handle_async_request(static_cast<AsyncRequest *>(rq));          _handle_async_request(static_cast<AsyncRequest *>(rq));
       }       }
    }    }
Line 576 
Line 412 
  
 void MessageQueueService::_handle_async_request(AsyncRequest *req) void MessageQueueService::_handle_async_request(AsyncRequest *req)
 { {
    if (req != 0)      MessageType type = req->getType();
       if (type == ASYNC_IOCTL)
    {    {
       req->op->processing();  
   
       Uint32 type = req->getType();  
       if (type == async_messages::HEARTBEAT)  
          handle_heartbeat_request(req);  
       else if (type == async_messages::IOCTL)  
          handle_AsyncIoctl(static_cast<AsyncIoctl *>(req));          handle_AsyncIoctl(static_cast<AsyncIoctl *>(req));
       else if (type == async_messages::CIMSERVICE_START)      }
       else if (type == ASYNC_CIMSERVICE_START)
       {
          handle_CimServiceStart(static_cast<CimServiceStart *>(req));          handle_CimServiceStart(static_cast<CimServiceStart *>(req));
       else if (type == async_messages::CIMSERVICE_STOP)      }
       else if (type == ASYNC_CIMSERVICE_STOP)
       {
          handle_CimServiceStop(static_cast<CimServiceStop *>(req));          handle_CimServiceStop(static_cast<CimServiceStop *>(req));
       else if (type == async_messages::CIMSERVICE_PAUSE)      }
          handle_CimServicePause(static_cast<CimServicePause *>(req));  
       else if (type == async_messages::CIMSERVICE_RESUME)  
          handle_CimServiceResume(static_cast<CimServiceResume *>(req));  
       else if (type == async_messages::ASYNC_OP_START)  
          handle_AsyncOperationStart(static_cast<AsyncOperationStart *>(req));  
       else       else
       {       {
          // we don't handle this request message          // we don't handle this request message
          _make_response(req, async_results::CIM_NAK);          _make_response(req, async_results::CIM_NAK);
       }       }
    }    }
 }  
   
  
 Boolean MessageQueueService::_enqueueResponse( Boolean MessageQueueService::_enqueueResponse(
    Message* request,    Message* request,
    Message* response)    Message* response)
 { {
   
   STAT_COPYDISPATCHER  
   
    PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,    PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,
                     "MessageQueueService::_enqueueResponse");                     "MessageQueueService::_enqueueResponse");
  
    if (request->getMask() & message_mask::ha_async)      if (request->getMask() & MessageMask::ha_async)
    {    {
       if (response->getMask() & message_mask::ha_async)          if (response->getMask() & MessageMask::ha_async)
       {       {
          _completeAsyncResponse(static_cast<AsyncRequest *>(request),              _completeAsyncResponse(
                                 static_cast<AsyncReply *>(response),                  static_cast<AsyncRequest *>(request),
                                 ASYNC_OPSTATE_COMPLETE, 0);                  static_cast<AsyncReply *>(response));
   
          PEG_METHOD_EXIT();          PEG_METHOD_EXIT();
          return true;          return true;
       }       }
    }    }
  
    if (request->_async != 0)      AsyncRequest* asyncRequest =
           static_cast<AsyncRequest*>(request->get_async());
   
       if (asyncRequest != 0)
    {    {
       Uint32 mask = request->_async->getMask();          PEGASUS_ASSERT(asyncRequest->getMask() &
       PEGASUS_ASSERT(mask & (message_mask::ha_async | message_mask::ha_request));              (MessageMask::ha_async | MessageMask::ha_request));
   
           AsyncOpNode* op = asyncRequest->op;
  
       AsyncRequest *async = static_cast<AsyncRequest *>(request->_async);  
       AsyncOpNode *op = async->op;  
       request->_async = 0;  
       // the legacy request is going to be deleted by its handler       // the legacy request is going to be deleted by its handler
       // remove it from the op node       // remove it from the op node
  
       static_cast<AsyncLegacyOperationStart *>(async)->get_action();          static_cast<AsyncLegacyOperationStart *>(asyncRequest)->get_action();
  
       AsyncLegacyOperationResult *async_result =       AsyncLegacyOperationResult *async_result =
          new AsyncLegacyOperationResult(          new AsyncLegacyOperationResult(
             async->getKey(),  
             async->getRouting(),  
             op,             op,
             response);             response);
       _completeAsyncResponse(       _completeAsyncResponse(
          async,              asyncRequest,
          async_result,              async_result);
          ASYNC_OPSTATE_COMPLETE,  
          0);  
       PEG_METHOD_EXIT();       PEG_METHOD_EXIT();
       return true;       return true;
    }    }
Line 657 
Line 482 
    // ensure that the destination queue is in response->dest    // ensure that the destination queue is in response->dest
    PEG_METHOD_EXIT();    PEG_METHOD_EXIT();
    return SendForget(response);    return SendForget(response);
   
 } }
  
 void MessageQueueService::_make_response(Message *req, Uint32 code) void MessageQueueService::_make_response(Message *req, Uint32 code)
Line 668 
Line 492 
  
 void MessageQueueService::_completeAsyncResponse( void MessageQueueService::_completeAsyncResponse(
     AsyncRequest *request,     AsyncRequest *request,
     AsyncReply *reply,      AsyncReply* reply)
     Uint32 state,  
     Uint32 flag)  
 { {
    PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,    PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,
                     "MessageQueueService::_completeAsyncResponse");                     "MessageQueueService::_completeAsyncResponse");
  
    cimom::_completeAsyncResponse(request, reply, state, flag);      cimom::_completeAsyncResponse(request, reply);
  
    PEG_METHOD_EXIT();    PEG_METHOD_EXIT();
 } }
  
  
 void MessageQueueService::_complete_op_node( void MessageQueueService::_complete_op_node(
     AsyncOpNode *op,      AsyncOpNode* op)
     Uint32 state,  
     Uint32 flag,  
     Uint32 code)  
 { {
    cimom::_complete_op_node(op, state, flag, code);      cimom::_complete_op_node(op);
 } }
  
  
 Boolean MessageQueueService::accept_async(AsyncOpNode *op) Boolean MessageQueueService::accept_async(AsyncOpNode *op)
 { {
    if (_incoming_queue_shutdown.value() > 0)      if (_incoming_queue_shutdown.get() > 0)
       return false;       return false;
    if (_polling_thread == NULL)    if (_polling_thread == NULL)
    {    {
       _polling_thread = new Thread(       _polling_thread = new Thread(
           polling_routine,           polling_routine,
           reinterpret_cast<void *>(&_polling_list),              reinterpret_cast<void *>(_get_polling_list()),
           false);           false);
       ThreadStatus tr = PEGASUS_THREAD_OK;       ThreadStatus tr = PEGASUS_THREAD_OK;
       while ( (tr =_polling_thread->run()) != PEGASUS_THREAD_OK)       while ( (tr =_polling_thread->run()) != PEGASUS_THREAD_OK)
       {       {
         if (tr == PEGASUS_THREAD_INSUFFICIENT_RESOURCES)         if (tr == PEGASUS_THREAD_INSUFFICIENT_RESOURCES)
            pegasus_yield();                  Threads::yield();
         else         else
            throw Exception(MessageLoaderParms("Common.MessageQueueService.NOT_ENOUGH_THREAD",                  throw Exception(MessageLoaderParms(
                       "Common.MessageQueueService.NOT_ENOUGH_THREAD",
                         "Could not allocate thread for the polling thread."));                         "Could not allocate thread for the polling thread."));
       }       }
    }    }
 // ATTN optimization remove the message checking altogether in the base      if (_die.get() == 0)
 // << Mon Feb 18 14:02:20 2002 mdd >>      {
    op->lock();          if (_incoming.enqueue(op))
    Message *rq = op->_request.next(0);  
    Message *rp = op->_response.next(0);  
    op->unlock();  
   
    if ((rq != 0 && (true == messageOK(rq))) ||  
        (rp != 0 && (true == messageOK(rp))) && _die.value() == 0)  
    {    {
       _incoming.insert_last_wait(op);  
       _polling_sem.signal();       _polling_sem.signal();
       return true;       return true;
    }    }
    return false;  
 } }
   
 Boolean MessageQueueService::messageOK(const Message *msg)  
 {  
    if (_incoming_queue_shutdown.value() > 0)  
       return false;       return false;
    return true;  
 }  
   
 void MessageQueueService::handle_heartbeat_request(AsyncRequest *req)  
 {  
    // default action is to echo a heartbeat response  
   
    AsyncReply *reply = new AsyncReply(  
       async_messages::HEARTBEAT,  
       req->getKey(),  
       req->getRouting(),  
       0,  
       req->op,  
       async_results::OK,  
       req->resp,  
       false);  
    _completeAsyncResponse(req, reply, ASYNC_OPSTATE_COMPLETE, 0);  
 }  
   
   
 void MessageQueueService::handle_heartbeat_reply(AsyncReply *rep)  
 {  
 } }
  
 void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req)
Line 762 
Line 548 
    {    {
       case AsyncIoctl::IO_CLOSE:       case AsyncIoctl::IO_CLOSE:
       {       {
          MessageQueueService *service = static_cast<MessageQueueService *>(req->op->_service_ptr);              MessageQueueService *service =
                   static_cast<MessageQueueService *>(req->op->_service_ptr);
  
 #ifdef MESSAGEQUEUESERVICE_DEBUG #ifdef MESSAGEQUEUESERVICE_DEBUG
          PEGASUS_STD(cout) << service->getQueueName() << " Received AsyncIoctl::IO_CLOSE " << PEGASUS_STD(endl);              PEGASUS_STD(cout) << service->getQueueName() <<
                   " Received AsyncIoctl::IO_CLOSE " << PEGASUS_STD(endl);
 #endif #endif
  
          // respond to this message. this is fire and forget, so we don't need to delete anything.              // respond to this message. this is fire and forget, so we
               // don't need to delete anything.
          // this takes care of two problems that were being found          // this takes care of two problems that were being found
          // << Thu Oct  9 10:52:48 2003 mdd >>          // << Thu Oct  9 10:52:48 2003 mdd >>
           _make_response(req, async_results::OK);           _make_response(req, async_results::OK);
          // ensure we do not accept any further messages          // ensure we do not accept any further messages
  
          // ensure we don't recurse on IO_CLOSE          // ensure we don't recurse on IO_CLOSE
          if (_incoming_queue_shutdown.value() > 0)              if (_incoming_queue_shutdown.get() > 0)
             break;             break;
  
          // set the closing flag          // set the closing flag
Line 783 
Line 572 
          // empty out the queue          // empty out the queue
          while (1)          while (1)
          {          {
             AsyncOpNode *operation;                  AsyncOpNode* operation = 0;
             try             try
             {             {
                operation = service->_incoming.remove_first();                      operation = service->_incoming.dequeue();
             }             }
             catch(IPCException &)                  catch (...)
             {             {
                break;                break;
             }             }
Line 801 
Line 590 
                break;                break;
          } // message processing loop          } // message processing loop
  
          // shutdown the AsyncDQueue              // shutdown the AsyncQueue
          service->_incoming.shutdown_queue();              service->_incoming.close();
          return;          return;
       }       }
  
Line 813 
Line 602 
  
 void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) void MessageQueueService::handle_CimServiceStart(CimServiceStart *req)
 { {
   
 #ifdef MESSAGEQUEUESERVICE_DEBUG #ifdef MESSAGEQUEUESERVICE_DEBUG
    PEGASUS_STD(cout) << getQueueName() << "received START" << PEGASUS_STD(endl);      PEGASUS_STD(cout) << getQueueName() << "received START" <<
           PEGASUS_STD(endl);
 #endif #endif
       PEGASUS_ASSERT(!_isRunning);
    // clear the stoped bit and update      _isRunning = true;
    _capabilities &= (~(module_capabilities::stopped));  
    _make_response(req, async_results::OK);    _make_response(req, async_results::OK);
    // now tell the meta dispatcher we are stopped  
    update_service(_capabilities, _mask);  
   
 } }
   
 void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) void MessageQueueService::handle_CimServiceStop(CimServiceStop *req)
 { {
 #ifdef MESSAGEQUEUESERVICE_DEBUG #ifdef MESSAGEQUEUESERVICE_DEBUG
    PEGASUS_STD(cout) << getQueueName() << "received STOP" << PEGASUS_STD(endl);    PEGASUS_STD(cout) << getQueueName() << "received STOP" << PEGASUS_STD(endl);
 #endif #endif
    // set the stopeed bit and update      PEGASUS_ASSERT(_isRunning);
    _capabilities |= module_capabilities::stopped;      _isRunning = false;
    _make_response(req, async_results::CIM_STOPPED);      _make_response(req, async_results::CIM_SERVICE_STOPPED);
    // now tell the meta dispatcher we are stopped  
    update_service(_capabilities, _mask);  
 }  
   
 void MessageQueueService::handle_CimServicePause(CimServicePause *req)  
 {  
    // set the paused bit and update  
    _capabilities |= module_capabilities::paused;  
    update_service(_capabilities, _mask);  
    _make_response(req, async_results::CIM_PAUSED);  
    // now tell the meta dispatcher we are stopped  
 }  
   
 void MessageQueueService::handle_CimServiceResume(CimServiceResume *req)  
 {  
    // clear the paused  bit and update  
    _capabilities &= (~(module_capabilities::paused));  
    update_service(_capabilities, _mask);  
    _make_response(req, async_results::OK);  
    // now tell the meta dispatcher we are stopped  
 }  
   
 void MessageQueueService::handle_AsyncOperationStart(AsyncOperationStart *req)  
 {  
    _make_response(req, async_results::CIM_NAK);  
 }  
   
 void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req)  
 {  
    ;  
 }  
   
   
 void MessageQueueService::handle_AsyncLegacyOperationStart(AsyncLegacyOperationStart *req)  
 {  
    // remove the legacy message from the request and enqueue it to its destination  
    Uint32 result = async_results::CIM_NAK;  
   
    Message *legacy = req->_act;  
    if (legacy != 0)  
    {  
       MessageQueue* queue = MessageQueue::lookup(req->_legacy_destination);  
       if (queue != 0)  
       {  
          if (queue->isAsync() == true)  
          {  
             (static_cast<MessageQueueService *>(queue))->handleEnqueue(legacy);  
          }  
          else  
          {  
             // Enqueue the response:  
             queue->enqueue(req->get_action());  
          }  
   
          result = async_results::OK;  
       }  
    }  
    _make_response(req, result);  
 }  
   
 void MessageQueueService::handle_AsyncLegacyOperationResult(AsyncLegacyOperationResult *rep)  
 {  
    ;  
 } }
  
 AsyncOpNode *MessageQueueService::get_op() AsyncOpNode *MessageQueueService::get_op()
Line 903 
Line 626 
    AsyncOpNode *op = new AsyncOpNode();    AsyncOpNode *op = new AsyncOpNode();
  
    op->_state = ASYNC_OPSTATE_UNKNOWN;    op->_state = ASYNC_OPSTATE_UNKNOWN;
    op->_flags = ASYNC_OPFLAGS_SINGLE | ASYNC_OPFLAGS_NORMAL;     op->_flags = ASYNC_OPFLAGS_UNKNOWN;
  
    return op;    return op;
 } }
  
 void MessageQueueService::return_op(AsyncOpNode *op) void MessageQueueService::return_op(AsyncOpNode *op)
 { {
    PEGASUS_ASSERT(op->read_state() & ASYNC_OPSTATE_RELEASED);  
    delete op;    delete op;
 } }
  
  
 Boolean MessageQueueService::ForwardOp(  Boolean MessageQueueService::SendAsync(
     AsyncOpNode *op,     AsyncOpNode *op,
     Uint32 destination)      Uint32 destination,
       void (*callback)(AsyncOpNode*, MessageQueue*, void*),
       MessageQueue* callback_response_q,
       void* callback_ptr)
 { {
    PEGASUS_ASSERT(op != 0);      return _sendAsync(
    op->lock();          op,
    op->_op_dest = MessageQueue::lookup(destination);          destination,
    op->_flags |= (ASYNC_OPFLAGS_FIRE_AND_FORGET | ASYNC_OPFLAGS_FORWARD);          callback,
    op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK);          callback_response_q,
    op->unlock();          callback_ptr,
    if (op->_op_dest == 0)          ASYNC_OPFLAGS_CALLBACK);
       return false;  
  
    return  _meta_dispatcher->route_async(op);  
 } }
  
   Boolean MessageQueueService::_sendAsync(
 Boolean MessageQueueService::SendAsync(  
     AsyncOpNode *op,     AsyncOpNode *op,
     Uint32 destination,     Uint32 destination,
     void (*callback)(AsyncOpNode *, MessageQueue *, void *),     void (*callback)(AsyncOpNode *, MessageQueue *, void *),
     MessageQueue *callback_response_q,     MessageQueue *callback_response_q,
     void *callback_ptr)      void* callback_ptr,
       Uint32 flags)
 { {
    PEGASUS_ASSERT(op != 0 && callback != 0);    PEGASUS_ASSERT(op != 0 && callback != 0);
  
    // get the queue handle for the destination      // destination of this message
       op->_op_dest = MessageQueue::lookup(destination);
    op->lock();  
    op->_op_dest = MessageQueue::lookup(destination); // destination of this message  
    op->_flags |= ASYNC_OPFLAGS_CALLBACK;  
    op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET);  
    // initialize the callback data  
    op->_async_callback = callback;   // callback function to be executed by recpt. of response  
    op->_callback_node = op;          // the op node  
    op->_callback_response_q = callback_response_q;  // the queue that will receive the response  
    op->_callback_ptr = callback_ptr;   // user data for callback  
    op->_callback_request_q = this;     // I am the originator of this request  
   
    op->unlock();  
    if (op->_op_dest == 0)    if (op->_op_dest == 0)
       return false;  
   
    return  _meta_dispatcher->route_async(op);  
 }  
   
   
 Boolean MessageQueueService::SendAsync(  
     Message *msg,  
     Uint32 destination,  
     void (*callback)(Message *response, void *handle, void *parameter),  
     void *handle,  
     void *parameter)  
 {  
    if (msg == NULL)  
       return false;  
    if (callback == NULL)  
       return SendForget(msg);  
    AsyncOpNode *op = get_op();  
    msg->dest = destination;  
    if (NULL == (op->_op_dest = MessageQueue::lookup(msg->dest)))  
    {    {
       op->release();  
       return_op(op);  
       return false;       return false;
    }    }
    op->_flags |= ASYNC_OPFLAGS_SAFE_CALLBACK;      op->_flags = flags;
    op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET);      // initialize the callback data
    op->_state &= ~ASYNC_OPSTATE_COMPLETE;      // callback function to be executed by recpt. of response
    op->__async_callback = callback;      op->_async_callback = callback;
       // the op node
    op->_callback_node = op;    op->_callback_node = op;
    op->_callback_handle = handle;      // the queue that will receive the response
    op->_callback_parameter = parameter;      op->_callback_response_q = callback_response_q;
    op->_callback_response_q = this;      // user data for callback
       op->_callback_ptr = callback_ptr;
       // I am the originator of this request
       op->_callback_request_q = this;
  
    if (!(msg->getMask() & message_mask::ha_async))  
    {  
       AsyncLegacyOperationStart *wrapper = new AsyncLegacyOperationStart(  
          get_next_xid(),  
          op,  
          destination,  
          msg,  
          destination);  
    }  
    else  
    {  
       op->_request.insert_first(msg);  
       (static_cast<AsyncMessage *>(msg))->op = op;  
    }  
    return _meta_dispatcher->route_async(op);    return _meta_dispatcher->route_async(op);
 } }
  
   
 Boolean MessageQueueService::SendForget(Message *msg) Boolean MessageQueueService::SendForget(Message *msg)
 { {
    AsyncOpNode *op = 0;    AsyncOpNode *op = 0;
    Uint32 mask = msg->getMask();    Uint32 mask = msg->getMask();
  
    if (mask & message_mask::ha_async)      if (mask & MessageMask::ha_async)
    {    {
       op = (static_cast<AsyncMessage *>(msg))->op ;       op = (static_cast<AsyncMessage *>(msg))->op ;
    }    }
Line 1021 
Line 699 
    if (op == 0)    if (op == 0)
    {    {
       op = get_op();       op = get_op();
       op->_request.insert_first(msg);          op->_request.reset(msg);
       if (mask & message_mask::ha_async)          if (mask & MessageMask::ha_async)
       {       {
          (static_cast<AsyncMessage *>(msg))->op = op;          (static_cast<AsyncMessage *>(msg))->op = op;
       }       }
    }    }
   
       PEGASUS_ASSERT(op->_flags == ASYNC_OPFLAGS_UNKNOWN);
       PEGASUS_ASSERT(op->_state == ASYNC_OPSTATE_UNKNOWN);
    op->_op_dest = MessageQueue::lookup(msg->dest);    op->_op_dest = MessageQueue::lookup(msg->dest);
    op->_flags |= ASYNC_OPFLAGS_FIRE_AND_FORGET;  
    op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK  
        | ASYNC_OPFLAGS_SIMPLE_STATUS);  
    op->_state &= ~ASYNC_OPSTATE_COMPLETE;  
    if (op->_op_dest == 0)    if (op->_op_dest == 0)
    {    {
       op->release();  
       return_op(op);       return_op(op);
       return false;       return false;
    }    }
  
       op->_flags = ASYNC_OPFLAGS_FIRE_AND_FORGET;
   
    // now see if the meta dispatcher will take it    // now see if the meta dispatcher will take it
    return  _meta_dispatcher->route_async(op);    return  _meta_dispatcher->route_async(op);
 } }
Line 1054 
Line 732 
    if (request->op == 0)    if (request->op == 0)
    {    {
       request->op = get_op();       request->op = get_op();
       request->op->_request.insert_first(request);          request->op->_request.reset(request);
       destroy_op = true;       destroy_op = true;
    }    }
  
       PEGASUS_ASSERT(request->op->_flags == ASYNC_OPFLAGS_UNKNOWN);
       PEGASUS_ASSERT(request->op->_state == ASYNC_OPSTATE_UNKNOWN);
   
    request->block = false;    request->block = false;
    request->op->_flags |= ASYNC_OPFLAGS_PSEUDO_CALLBACK;      _sendAsync(
    SendAsync(  
       request->op,       request->op,
       request->dest,       request->dest,
       _sendwait_callback,       _sendwait_callback,
       this,       this,
       (void *)0);          (void *)0,
           ASYNC_OPFLAGS_PSEUDO_CALLBACK);
  
    request->op->_client_sem.wait();    request->op->_client_sem.wait();
  
    request->op->lock();      AsyncReply* rpl = static_cast<AsyncReply *>(request->op->removeResponse());
    AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first());  
    rpl->op = 0;    rpl->op = 0;
    request->op->unlock();  
  
    if (destroy_op == true)    if (destroy_op == true)
    {    {
       request->op->lock();          request->op->_request.release();
       request->op->_request.remove(request);  
       request->op->_state |= ASYNC_OPSTATE_RELEASED;  
       request->op->unlock();  
       return_op(request->op);       return_op(request->op);
       request->op = 0;       request->op = 0;
    }    }
    return rpl;    return rpl;
 } }
  
   Uint32 MessageQueueService::find_service_qid(const String &name)
 Boolean MessageQueueService::register_service(  
     String name,  
     Uint32 capabilities,  
     Uint32 mask)  
 {  
    RegisterCimService *msg = new RegisterCimService(  
       get_next_xid(),  
       0,  
       true,  
       name,  
       capabilities,  
       mask,  
       _queueId);  
    msg->dest = CIMOM_Q_ID;  
   
    Boolean registered = false;  
    AsyncReply *reply = static_cast<AsyncReply *>(SendWait(msg));  
   
    if (reply != 0)  
    {  
       if (reply->getMask() & message_mask::ha_async)  
       {  
          if (reply->getMask() & message_mask::ha_reply)  
          {  
             if (reply->result == async_results::OK ||  
                 reply->result == async_results::MODULE_ALREADY_REGISTERED)  
             {  
                 registered = true;  
             }  
          }  
       }  
   
       delete reply;  
    }  
    delete msg;  
    return registered;  
 }  
   
 Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask)  
 {  
    UpdateCimService *msg = new UpdateCimService(  
       get_next_xid(),  
       0,  
       true,  
       _queueId,  
       _capabilities,  
       _mask);  
    Boolean registered = false;  
   
    AsyncMessage *reply = SendWait(msg);  
    if (reply)  
    {  
       if (reply->getMask() & message_mask::ha_async)  
       {  
          if (reply->getMask() & message_mask::ha_reply)  
          {  
             if (static_cast<AsyncReply *>(reply)->result == async_results::OK)  
             {  
                registered = true;  
             }  
          }  
       }  
       delete reply;  
    }  
    delete msg;  
    return registered;  
 }  
   
   
 Boolean MessageQueueService::deregister_service()  
 {  
   
    _meta_dispatcher->deregister_module(_queueId);  
    return true;  
 }  
   
   
 void MessageQueueService::find_services(  
     String name,  
     Uint32 capabilities,  
     Uint32 mask,  
     Array<Uint32> *results)  
 {  
    if (results == 0)  
    {  
       throw NullPointer();  
    }  
   
    results->clear();  
   
    FindServiceQueue *req = new FindServiceQueue(  
       get_next_xid(),  
       0,  
       _queueId,  
       true,  
       name,  
       capabilities,  
       mask);  
   
    req->dest = CIMOM_Q_ID;  
   
    AsyncMessage *reply = SendWait(req);  
    if (reply)  
    {  
       if (reply->getMask() & message_mask::ha_async)  
       {  
          if (reply->getMask() & message_mask::ha_reply)  
          {  
             if (reply->getType() == async_messages::FIND_SERVICE_Q_RESULT)  
             {  
                if ((static_cast<FindServiceQueueResult *>(reply))->result == async_results::OK)  
                   *results = (static_cast<FindServiceQueueResult *>(reply))->qids;  
             }  
          }  
       }  
       delete reply;  
    }  
    delete req;  
    return ;  
 }  
   
 void MessageQueueService::enumerate_service(Uint32 queue, message_module *result)  
 { {
    if (result == 0)      MessageQueue *queue = MessageQueue::lookup((const char*)name.getCString());
    {      PEGASUS_ASSERT(queue);
       throw NullPointer();      return queue->getQueueId();
    }    }
  
    EnumerateService *req = new EnumerateService(  MessageQueueService::PollingList* MessageQueueService::_get_polling_list()
       get_next_xid(),  
       0,  
       _queueId,  
       true,  
       queue);  
   
    AsyncMessage *reply = SendWait(req);  
   
    if (reply)  
    {  
       Boolean found = false;  
   
       if (reply->getMask() & message_mask::ha_async)  
       {  
          if (reply->getMask() & message_mask::ha_reply)  
          {          {
             if (reply->getType() == async_messages::ENUMERATE_SERVICE_RESULT)      _polling_list_mutex.lock();
             {  
                if ((static_cast<EnumerateServiceResponse *>(reply))->result == async_results::OK)  
                {  
                   if (found == false)  
                   {  
                      found = true;  
   
                      result->put_name((static_cast<EnumerateServiceResponse *>(reply))->name);  
                      result->put_capabilities((static_cast<EnumerateServiceResponse *>(reply))->capabilities);  
                      result->put_mask((static_cast<EnumerateServiceResponse *>(reply))->mask);  
                      result->put_queue((static_cast<EnumerateServiceResponse *>(reply))->qid);  
                   }  
                }  
             }  
          }  
       }  
       delete reply;  
    }  
    delete req;  
  
    return;      if (!_polling_list)
 }          _polling_list = new PollingList;
  
 Uint32 MessageQueueService::get_next_xid()      _polling_list_mutex.unlock();
 {  
    static Mutex _monitor;  
    Uint32 value;  
    AutoMutex autoMut(_monitor);  
    _xid++;  
    value =  _xid.value();  
    return value;  
  
       return _polling_list;
 } }
  
 PEGASUS_NAMESPACE_END PEGASUS_NAMESPACE_END

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  Added in v.1.151
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