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Diff for /pegasus/src/Pegasus/Common/MessageQueueService.cpp between version 1.64 and 1.120

version 1.64, 2002/08/16 01:28:06 version 1.120, 2006/07/11 18:39:28
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 //%////-*-c++-*-////////////////////////////////////////////////////////////////  //%2006////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001, 2002 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.
   // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // 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) // Author: Mike Day (mdday@us.ibm.com)
 // //
 // Modified By: // 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
  
 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);  IDFactory MessageQueueService::_xidFactory(1);
 Mutex MessageQueueService::_meta_dispatcher_mutex; Mutex MessageQueueService::_meta_dispatcher_mutex;
  
 static struct timeval create_time = {0, 1};  static struct timeval deallocateWait = {300, 0};
 static struct timeval destroy_time = {15, 0};  
 static struct timeval deadlock_time = {0, 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;
  
   ThreadPool *MessageQueueService::get_thread_pool()
   {
      return _thread_pool;
   }
   
   //
   // MAX_THREADS_PER_SVC_QUEUE
   //
   // JR Wunderlich Jun 6, 2005
   //
   
   #define MAX_THREADS_PER_SVC_QUEUE_LIMIT 5000
   #define MAX_THREADS_PER_SVC_QUEUE_DEFAULT 5
   
   #ifndef MAX_THREADS_PER_SVC_QUEUE
   # define MAX_THREADS_PER_SVC_QUEUE MAX_THREADS_PER_SVC_QUEUE_DEFAULT
   #endif
   
   Uint32 max_threads_per_svc_queue;
  
 int MessageQueueService::kill_idle_threads(void)  PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL
   MessageQueueService::kill_idle_threads(void *parm)
 { {
    static struct timeval now, last;  
      static struct timeval now, last = {0,0};
    gettimeofday(&now, NULL);    gettimeofday(&now, NULL);
    int dead_threads = 0;    int dead_threads = 0;
  
    if( now.tv_sec - last.tv_sec > 0 )     if (now.tv_sec - last.tv_sec > 120)
    {    {
       gettimeofday(&last, NULL);       gettimeofday(&last, NULL);
       try       try
       {       {
          dead_threads =  _thread_pool->kill_dead_threads();           dead_threads = MessageQueueService::_thread_pool->cleanupIdleThreads();
       }       }
       catch(IPCException& )        catch(...)
       {       {
  
       }       }
    }    }
    return dead_threads;  
   #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) 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, RecursiveMutex> *list =
    while ( _stop_polling.value()  == 0 )         reinterpret_cast<List<MessageQueueService, RecursiveMutex>*>(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
         // _polling_thread list while processing incoming messages.
         // This lock is used to give this thread ownership of
         // services on the _polling_routine list.
   
         // This is necessary to avoid confict with other threads
         // processing the _polling_list
         // (e.g., MessageQueueServer::~MessageQueueService).
   
       list->lock();       list->lock();
       MessageQueueService *service = list->next(0);        MessageQueueService *service = list->front();
         ThreadStatus rtn = PEGASUS_THREAD_OK;
       while(service != NULL)       while(service != NULL)
       {       {
          if(service->_incoming.count() > 0 )            if ((service->_incoming.count() > 0) &&
                 (service->_die.get() == 0) &&
                 (service->_threads.get() < max_threads_per_svc_queue))
             {
                // The _threads count is used to track the
                // number of active threads that have been allocated
                // to process messages for this service.
   
                // The _threads count MUST be incremented while
                // the polling_routine owns the _polling_thread
                // lock and has ownership of the service object.
   
                service->_threads++;
                try
                {
                    rtn = _thread_pool->allocate_and_awaken(
                         service, _req_proc, &_polling_sem);
                }
                catch (...)
                {
                    service->_threads--;
   
                    // allocate_and_awaken should never generate an exception.
                    PEGASUS_ASSERT(0);
                }
                // if no more threads available, break from processing loop
                if (rtn != PEGASUS_THREAD_OK )
                {
                    service->_threads--;
                    Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE,
                       "Not enough threads to process this request. Skipping.");
   
                    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. ",
                       service->getQueueName(),
                       service->_incoming.count(),
                       service->_threads.get());
   
                    pegasus_yield();
                    service = NULL;
                 }
             }
             if (service != NULL)
          {          {
             _thread_pool->allocate_and_awaken(service, _req_proc);               service = list->next_of(service);
 //          service->_req_proc(service);  
          }          }
          service = list->next(service);  
       }       }
       list->unlock();       list->unlock();
   
         if (_check_idle_flag.get() != 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 );    myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );
    return(0);    return(0);
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 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(const char *name,  MessageQueueService::MessageQueueService(
      const char *name,
                                          Uint32 queueID,                                          Uint32 queueID,
                                          Uint32 capabilities,                                          Uint32 capabilities,
                                          Uint32 mask)                                          Uint32 mask)
    : Base(name, true,  queueID),    : Base(name, true,  queueID),
   
      _mask(mask),      _mask(mask),
      _die(0),      _die(0),
      _incoming(true, 0),       _threads(0),
      _callback(true),       _incoming(0),
      _incoming_queue_shutdown(0),       _incoming_queue_shutdown(0)
      _callback_ready(0),  
      _req_thread(_req_proc, this, false),  
      _callback_thread(_callback_proc, this, false)  
   
 { {
  
    _capabilities = (capabilities | module_capabilities::async);    _capabilities = (capabilities | module_capabilities::async);
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    _default_op_timeout.tv_sec = 30;    _default_op_timeout.tv_sec = 30;
    _default_op_timeout.tv_usec = 100;    _default_op_timeout.tv_usec = 100;
  
    _meta_dispatcher_mutex.lock(pegasus_thread_self());     max_threads_per_svc_queue = MAX_THREADS_PER_SVC_QUEUE;
   
      // if requested thread max is out of range, then set to
      // MAX_THREADS_PER_SVC_QUEUE_LIMIT
   
      if ((max_threads_per_svc_queue < 1) ||
          (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,
         "max_threads_per_svc_queue set to %u.", max_threads_per_svc_queue);
   
      AutoMutex autoMut(_meta_dispatcher_mutex);
  
    if( _meta_dispatcher == 0 )    if( _meta_dispatcher == 0 )
    {    {
       PEGASUS_ASSERT( _service_count.value() == 0 );        _stop_polling = 0;
         PEGASUS_ASSERT(_service_count.get() == 0);
       _meta_dispatcher = new cimom();       _meta_dispatcher = new cimom();
       if (_meta_dispatcher == NULL )       if (_meta_dispatcher == NULL )
       {       {
          _meta_dispatcher_mutex.unlock();  
          throw NullPointer();          throw NullPointer();
       }       }
       _thread_pool = new ThreadPool(0, "MessageQueueService", 0, 0,        //  _thread_pool = new ThreadPool(initial_cnt, "MessageQueueService",
                                     create_time, destroy_time, deadlock_time);        //   minimum_cnt, maximum_cnt, deallocateWait);
         //
       _polling_thread = new Thread(polling_routine,        _thread_pool =
                                    reinterpret_cast<void *>(&_polling_list),            new ThreadPool(0, "MessageQueueService", 0, 0, deallocateWait);
                                    false);  
       _polling_thread->run();  
    }    }
    _service_count++;    _service_count++;
  
    if( false == register_service(name, _capabilities, _mask) )    if( false == register_service(name, _capabilities, _mask) )
    {    {
       _meta_dispatcher_mutex.unlock();        //l10n
       throw BindFailedException("MessageQueueService Base Unable to register with  Meta Dispatcher");        //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");
  
    _polling_list.insert_last(this);        throw BindFailedException(parms);
      }
  
    _meta_dispatcher_mutex.unlock();     _get_polling_list()->insert_back(this);
 //   _callback_thread.run();  
  
 //   _req_thread.run();  
 } }
  
  
 MessageQueueService::~MessageQueueService(void)  MessageQueueService::~MessageQueueService()
 { {
    _die = 1;    _die = 1;
    if (_incoming_queue_shutdown.value() == 0 )  
      // The polling_routine locks the _polling_list while
      // processing the incoming messages for services on the
      // list.  Deleting the service from the _polling_list
      // prior to processing, avoids synchronization issues
      // with the _polling_routine.
   
      // 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
      // is not working correctly. In OpenPegasus 2.5,
      // execution of the following code is very timing
      // dependent. This needs to be fix.
      // See Bug 4079 for details.
      if (_incoming_queue_shutdown.get() == 0)
    {    {
       _shutdown_incoming_queue();       _shutdown_incoming_queue();
    }    }
    _callback_ready.signal();  
 //   _callback_thread.join();  
  
    _meta_dispatcher_mutex.lock(pegasus_thread_self());     // Wait until all threads processing the messages
      // for this service have completed.
   
      while (_threads.get() > 0)
      {
         pegasus_yield();
      }
   
      {
        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) {
       _polling_thread->join();       _polling_thread->join();
       delete _polling_thread;       delete _polling_thread;
             _polling_thread = 0;
         }
       _meta_dispatcher->_shutdown_routed_queue();       _meta_dispatcher->_shutdown_routed_queue();
       delete _meta_dispatcher;       delete _meta_dispatcher;
       _meta_dispatcher = 0;       _meta_dispatcher = 0;
  
         delete _thread_pool;
         _thread_pool = 0;
        }
      } // mutex unlocks here
      // Clean up in case there are extra stuff on the queue.
     while (_incoming.count())
     {
       try {
         delete _incoming.dequeue();
       } catch (const ListClosed &e)
       {
         // If the list is closed, there is nothing we can do.
         break;
       }
    }    }
    _meta_dispatcher_mutex.unlock();  
    _polling_list.remove(this);  
 } }
  
 void MessageQueueService::_shutdown_incoming_queue(void)  void MessageQueueService::_shutdown_incoming_queue()
 { {
      if (_incoming_queue_shutdown.get() > 0)
    if (_incoming_queue_shutdown.value() > 0 )  
       return ;       return ;
    AsyncIoctl *msg = new AsyncIoctl(get_next_xid(),  
      AsyncIoctl *msg = new AsyncIoctl(
         get_next_xid(),
                                     0,                                     0,
                                     _queueId,                                     _queueId,
                                     _queueId,                                     _queueId,
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    msg->op->_state &= ~ASYNC_OPSTATE_COMPLETE;    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.insert_front(msg);
      try {
    _incoming.insert_last_wait(msg->op);       _incoming.enqueue_wait(msg->op);
        _polling_sem.signal();
 //   _req_thread.join();     } catch (const ListClosed &)
      {
           // This means the queue has already been shut-down (happens  when there
       // are two AsyncIoctrl::IO_CLOSE messages generated and one got first
       // processed.
        delete msg;
      }
      catch (const Permission &)
      {
        delete msg;
      }
 } }
  
  
  
 void MessageQueueService::enqueue(Message *msg) throw(IPCException)  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::_callback_proc(void *parm)  PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(
       void * parm)
 { {
    Thread *myself = reinterpret_cast<Thread *>(parm);      MessageQueueService* service =
    MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_parm());              reinterpret_cast<MessageQueueService*>(parm);
    AsyncOpNode *operation = 0;      PEGASUS_ASSERT(service != 0);
       try
    while ( service->_die.value() == 0 )  
    {    {
       service->_callback_ready.wait();  
  
       service->_callback.lock();          if (service->_die.get() != 0)
       operation = service->_callback.next(0);  
       while( operation != NULL)  
       {       {
          if( ASYNC_OPSTATE_COMPLETE & operation->read_state())              service->_threads--;
          {  
             operation = service->_callback.remove_no_lock(operation);  
             PEGASUS_ASSERT(operation != NULL);  
             operation->_thread_ptr = myself;  
             operation->_service_ptr = service;  
             service->_handle_async_callback(operation);  
             break;  
          }  
          operation = service->_callback.next(operation);  
       }  
       service->_callback.unlock();  
    }  
    myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );  
    return(0);    return(0);
 } }
   
   
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm)  
 {  
    MessageQueueService *service = reinterpret_cast<MessageQueueService *>(parm);  
    // 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
    AsyncOpNode *operation = 0;    AsyncOpNode *operation = 0;
  
    if ( service->_die.value() == 0 )          // many operations may have been queued.
           do
     {     {
          try          try
          {          {
             operation = service->_incoming.remove_first();                  operation = service->_incoming.dequeue();
          }          }
          catch(ListClosed & )          catch(ListClosed & )
          {          {
             operation = 0;                  // ATTN: This appears to be a common loop exit path.
                   //PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
             return(0);                  //    "Caught ListClosed exception.  Exiting _req_proc.");
                   break;
          }          }
   
          if( operation )          if( operation )
          {          {
             operation->_service_ptr = service;             operation->_service_ptr = service;
             service->_handle_incoming_operation(operation);             service->_handle_incoming_operation(operation);
          }          }
           } while (operation);
     }     }
       catch (const Exception& e)
    return(0);      {
           PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
               String("Caught exception: \"") + e.getMessage() +
                   "\".  Exiting _req_proc.");
 } }
       catch (...)
 Uint32 MessageQueueService::get_pending_callback_count(void)  
 { {
    return _callback.count();          PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
               "Caught unrecognized exception.  Exiting _req_proc.");
       }
       service->_threads--;
       return(0);
 } }
  
  
   void MessageQueueService::_sendwait_callback(
 void MessageQueueService::_sendwait_callback(AsyncOpNode *op,      AsyncOpNode *op,
                                              MessageQueue *q,                                              MessageQueue *q,
                                              void *parm)                                              void *parm)
 { {
Line 376 
Line 539 
  
  
 void MessageQueueService::_handle_incoming_operation(AsyncOpNode *operation) void MessageQueueService::_handle_incoming_operation(AsyncOpNode *operation)
 //                                                   Thread *thread,  
 //                                                   MessageQueue *queue)  
 { {
    if ( operation != 0 )    if ( operation != 0 )
    {    {
Line 386 
Line 547 
 // << Tue Feb 19 14:10:38 2002 mdd >> // << Tue Feb 19 14:10:38 2002 mdd >>
       operation->lock();       operation->lock();
  
       Message *rq = operation->_request.next(0);        Message *rq = operation->_request.front();
  
 // 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
Line 395 
Line 556 
       // divert legacy messages to handleEnqueue       // divert legacy messages to handleEnqueue
       if ((rq != 0) && (!(rq->getMask() & message_mask::ha_async)))       if ((rq != 0) && (!(rq->getMask() & message_mask::ha_async)))
       {       {
          rq = operation->_request.remove_first() ;           rq = operation->_request.remove_front() ;
          operation->unlock();          operation->unlock();
          // delete the op node          // delete the op node
          operation->release();          operation->release();
Line 409 
Line 570 
             operation->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK) &&             operation->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK) &&
            (operation->_state & ASYNC_OPSTATE_COMPLETE))            (operation->_state & ASYNC_OPSTATE_COMPLETE))
       {       {
   
          operation->unlock();          operation->unlock();
          _handle_async_callback(operation);          _handle_async_callback(operation);
       }       }
       else       else
       {       {
          PEGASUS_ASSERT(rq != 0 );          PEGASUS_ASSERT(rq != 0 );
          // ATTN: optimization  
          // << Wed Mar  6 15:00:39 2002 mdd >>  
          // put thread and queue into the asyncopnode structure.  
          //  (static_cast<AsyncMessage *>(rq))->_myself = operation->_thread_ptr;  
          //   (static_cast<AsyncMessage *>(rq))->_service = operation->_service_ptr;  
          // done << Tue Mar 12 14:49:07 2002 mdd >>  
          operation->unlock();          operation->unlock();
          _handle_async_request(static_cast<AsyncRequest *>(rq));          _handle_async_request(static_cast<AsyncRequest *>(rq));
       }       }
Line 462 
Line 616 
 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");
  
Line 492 
Line 648 
  
       static_cast<AsyncLegacyOperationStart *>(async)->get_action();       static_cast<AsyncLegacyOperationStart *>(async)->get_action();
  
   
       AsyncLegacyOperationResult *async_result =       AsyncLegacyOperationResult *async_result =
          new AsyncLegacyOperationResult(          new AsyncLegacyOperationResult(
             async->getKey(),             async->getKey(),
             async->getRouting(),             async->getRouting(),
             op,             op,
             response);             response);
       _completeAsyncResponse(async,        _completeAsyncResponse(
            async,
                              async_result,                              async_result,
                              ASYNC_OPSTATE_COMPLETE,                              ASYNC_OPSTATE_COMPLETE,
                              0);                              0);
Line 519 
Line 675 
 } }
  
  
 void MessageQueueService::_completeAsyncResponse(AsyncRequest *request,  void MessageQueueService::_completeAsyncResponse(
       AsyncRequest *request,
                                                 AsyncReply *reply,                                                 AsyncReply *reply,
                                                 Uint32 state,                                                 Uint32 state,
                                                 Uint32 flag)                                                 Uint32 flag)
Line 533 
Line 690 
 } }
  
  
 void MessageQueueService::_complete_op_node(AsyncOpNode *op,  void MessageQueueService::_complete_op_node(
       AsyncOpNode *op,
                                             Uint32 state,                                             Uint32 state,
                                             Uint32 flag,                                             Uint32 flag,
                                             Uint32 code)                                             Uint32 code)
Line 544 
Line 702 
  
 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)
      {
         _polling_thread = new Thread(
             polling_routine,
             reinterpret_cast<void *>(_get_polling_list()),
             false);
         ThreadStatus tr = PEGASUS_THREAD_OK;
         while ( (tr =_polling_thread->run()) != PEGASUS_THREAD_OK)
         {
           if (tr == PEGASUS_THREAD_INSUFFICIENT_RESOURCES)
              pegasus_yield();
           else
              throw Exception(MessageLoaderParms("Common.MessageQueueService.NOT_ENOUGH_THREAD",
                           "Could not allocate thread for the polling thread."));
         }
      }
 // ATTN optimization remove the message checking altogether in the base // ATTN optimization remove the message checking altogether in the base
 // << Mon Feb 18 14:02:20 2002 mdd >> // << Mon Feb 18 14:02:20 2002 mdd >>
    op->lock();    op->lock();
    Message *rq = op->_request.next(0);     Message *rq = op->_request.front();
    Message *rp = op->_response.next(0);     Message *rp = op->_response.front();
    op->unlock();    op->unlock();
  
    if(  (rq != 0 && (true == messageOK(rq))) || (rp != 0 && ( true == messageOK(rp) )) &&     if ((rq != 0 && (true == messageOK(rq))) ||
         _die.value() == 0  )         (rp != 0 && (true == messageOK(rp))) && _die.get() == 0)
    {    {
       _incoming.insert_last_wait(op);        _incoming.enqueue_wait(op);
       _polling_sem.signal();       _polling_sem.signal();
       return true;       return true;
    }    }
 //    else  
 //    {  
 //       if(  (rq != 0 && (true == MessageQueueService::messageOK(rq))) ||  
 //         (rp != 0 && ( true == MessageQueueService::messageOK(rp) )) &&  
 //         _die.value() == 0)  
 //       {  
 //       MessageQueueService::_incoming.insert_last_wait(op);  
 //       return true;  
 //       }  
 //    }  
   
    return false;    return false;
 } }
  
 Boolean MessageQueueService::messageOK(const Message *msg) Boolean MessageQueueService::messageOK(const Message *msg)
 { {
    if (_incoming_queue_shutdown.value() > 0 )     if (_incoming_queue_shutdown.get() > 0)
       return false;       return false;
    return true;    return true;
 } }
  
   
 // made pure virtual  
 // << Wed Mar  6 15:11:31 2002 mdd >>  
 // void MessageQueueService::handleEnqueue(Message *msg)  
 // {  
 //    if ( msg )  
 //       delete msg;  
 // }  
   
 // made pure virtual  
 // << Wed Mar  6 15:11:56 2002 mdd >>  
 // void MessageQueueService::handleEnqueue(void)  
 // {  
 //     Message *msg = dequeue();  
 //     handleEnqueue(msg);  
 // }  
   
 void MessageQueueService::handle_heartbeat_request(AsyncRequest *req) void MessageQueueService::handle_heartbeat_request(AsyncRequest *req)
 { {
    // default action is to echo a heartbeat response    // default action is to echo a heartbeat response
  
    AsyncReply *reply =     AsyncReply *reply = new AsyncReply(
       new AsyncReply(async_messages::HEARTBEAT,        async_messages::HEARTBEAT,
                      req->getKey(),                      req->getKey(),
                      req->getRouting(),                      req->getRouting(),
                      0,                      0,
Line 618 
Line 763 
  
 void MessageQueueService::handle_heartbeat_reply(AsyncReply *rep) void MessageQueueService::handle_heartbeat_reply(AsyncReply *rep)
 { {
    ;  
 } }
  
 void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req) void MessageQueueService::handle_AsyncIoctl(AsyncIoctl *req)
 { {
   
    switch( req->ctl )    switch( req->ctl )
    {    {
       case AsyncIoctl::IO_CLOSE:       case AsyncIoctl::IO_CLOSE:
       {       {
          // save my bearings  
 //       Thread *myself = req->op->_thread_ptr;  
          MessageQueueService *service = static_cast<MessageQueueService *>(req->op->_service_ptr);          MessageQueueService *service = static_cast<MessageQueueService *>(req->op->_service_ptr);
  
          // respond to this message.  #ifdef MESSAGEQUEUESERVICE_DEBUG
            PEGASUS_STD(cout) << service->getQueueName() << " Received AsyncIoctl::IO_CLOSE " << PEGASUS_STD(endl);
   #endif
   
            // 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
            // << 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 648 
Line 795 
             AsyncOpNode *operation;             AsyncOpNode *operation;
             try             try
             {             {
                operation = service->_incoming.remove_first();                 operation = service->_incoming.dequeue();
             }             }
             catch(IPCException & )             catch(IPCException & )
             {             {
Line 656 
Line 803 
             }             }
             if( operation )             if( operation )
             {             {
 //             operation->_thread_ptr = myself;  
                operation->_service_ptr = service;                operation->_service_ptr = service;
                service->_handle_incoming_operation(operation);                service->_handle_incoming_operation(operation);
             }             }
Line 664 
Line 810 
                break;                break;
          } // message processing loop          } // message processing loop
  
          // shutdown the AsyncDQueue           // shutdown the AsyncQueue
          service->_incoming.shutdown_queue();          service->_incoming.shutdown_queue();
          // exit the thread !  
 //       myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );  
          return;          return;
       }       }
  
Line 678 
Line 822 
  
 void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) void MessageQueueService::handle_CimServiceStart(CimServiceStart *req)
 { {
   
   #ifdef MESSAGEQUEUESERVICE_DEBUG
      PEGASUS_STD(cout) << getQueueName() << "received START" << PEGASUS_STD(endl);
   #endif
   
    // clear the stoped bit and update    // clear the stoped bit and update
    _capabilities &= (~(module_capabilities::stopped));    _capabilities &= (~(module_capabilities::stopped));
    _make_response(req, async_results::OK);    _make_response(req, async_results::OK);
Line 687 
Line 836 
 } }
 void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) void MessageQueueService::handle_CimServiceStop(CimServiceStop *req)
 { {
   #ifdef MESSAGEQUEUESERVICE_DEBUG
      PEGASUS_STD(cout) << getQueueName() << "received STOP" << PEGASUS_STD(endl);
   #endif
    // set the stopeed bit and update    // set the stopeed bit and update
    _capabilities |= module_capabilities::stopped;    _capabilities |= module_capabilities::stopped;
    _make_response(req, async_results::CIM_STOPPED);    _make_response(req, async_results::CIM_STOPPED);
    // now tell the meta dispatcher we are stopped    // now tell the meta dispatcher we are stopped
    update_service(_capabilities, _mask);    update_service(_capabilities, _mask);
   
 } }
   
 void MessageQueueService::handle_CimServicePause(CimServicePause *req) void MessageQueueService::handle_CimServicePause(CimServicePause *req)
 { {
    // set the paused bit and update    // set the paused bit and update
Line 702 
Line 854 
    _make_response(req, async_results::CIM_PAUSED);    _make_response(req, async_results::CIM_PAUSED);
    // now tell the meta dispatcher we are stopped    // now tell the meta dispatcher we are stopped
 } }
   
 void MessageQueueService::handle_CimServiceResume(CimServiceResume *req) void MessageQueueService::handle_CimServiceResume(CimServiceResume *req)
 { {
    // clear the paused  bit and update    // clear the paused  bit and update
Line 754 
Line 907 
    ;    ;
 } }
  
 AsyncOpNode *MessageQueueService::get_op(void)  AsyncOpNode *MessageQueueService::get_op()
 { {
    AsyncOpNode *op = new AsyncOpNode();    AsyncOpNode *op = new AsyncOpNode();
  
Line 771 
Line 924 
 } }
  
  
 Boolean MessageQueueService::ForwardOp(AsyncOpNode *op,  Boolean MessageQueueService::ForwardOp(
       AsyncOpNode *op,
                                        Uint32 destination)                                        Uint32 destination)
 { {
    PEGASUS_ASSERT(op != 0 );    PEGASUS_ASSERT(op != 0 );
Line 787 
Line 941 
 } }
  
  
 Boolean MessageQueueService::SendAsync(AsyncOpNode *op,  Boolean MessageQueueService::SendAsync(
       AsyncOpNode *op,
                                        Uint32 destination,                                        Uint32 destination,
                                        void (*callback)(AsyncOpNode *,      void (*callback)(AsyncOpNode *, MessageQueue *, void *),
                                                         MessageQueue *,  
                                                         void *),  
                                        MessageQueue *callback_response_q,                                        MessageQueue *callback_response_q,
                                        void *callback_ptr)                                        void *callback_ptr)
 { {
Line 803 
Line 956 
    op->_op_dest = MessageQueue::lookup(destination); // destination of this message    op->_op_dest = MessageQueue::lookup(destination); // destination of this message
    op->_flags |= ASYNC_OPFLAGS_CALLBACK;    op->_flags |= ASYNC_OPFLAGS_CALLBACK;
    op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET);    op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET);
    op->_state &= ~ASYNC_OPSTATE_COMPLETE;  
    // initialize the callback data    // initialize the callback data
    op->_async_callback = callback;   // callback function to be executed by recpt. of response    op->_async_callback = callback;   // callback function to be executed by recpt. of response
    op->_callback_node = op;          // the op node    op->_callback_node = op;          // the op node
Line 819 
Line 971 
 } }
  
  
 Boolean MessageQueueService::SendAsync(Message *msg,  Boolean MessageQueueService::SendAsync(
       Message *msg,
                                        Uint32 destination,                                        Uint32 destination,
                                        void (*callback)(Message *response,      void (*callback)(Message *response, void *handle, void *parameter),
                                                         void *handle,  
                                                         void *parameter),  
                                        void *handle,                                        void *handle,
                                        void *parameter)                                        void *parameter)
 { {
Line 848 
Line 999 
    op->_callback_parameter = parameter;    op->_callback_parameter = parameter;
    op->_callback_response_q = this;    op->_callback_response_q = this;
  
   
    if( ! (msg->getMask() & message_mask::ha_async) )    if( ! (msg->getMask() & message_mask::ha_async) )
    {    {
       AsyncLegacyOperationStart *wrapper =        AsyncLegacyOperationStart *wrapper = new AsyncLegacyOperationStart(
          new AsyncLegacyOperationStart(get_next_xid(),           get_next_xid(),
                                        op,                                        op,
                                        destination,                                        destination,
                                        msg,                                        msg,
Line 860 
Line 1010 
    }    }
    else    else
    {    {
       op->_request.insert_first(msg);        op->_request.insert_front(msg);
       (static_cast<AsyncMessage *>(msg))->op = op;       (static_cast<AsyncMessage *>(msg))->op = op;
    }    }
   
    _callback.insert_last(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();
  
Line 884 
Line 1030 
    if( op == 0 )    if( op == 0 )
    {    {
       op = get_op();       op = get_op();
       op->_request.insert_first(msg);        op->_request.insert_front(msg);
       if (mask & message_mask::ha_async)       if (mask & message_mask::ha_async)
         {
          (static_cast<AsyncMessage *>(msg))->op = op;          (static_cast<AsyncMessage *>(msg))->op = op;
    }    }
      }
    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_FIRE_AND_FORGET;
    op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK    op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK | ASYNC_OPFLAGS_SAFE_CALLBACK
Line 912 
Line 1060 
  
    Boolean destroy_op = false;    Boolean destroy_op = false;
  
    if (request->op == false)     if (request->op == 0)
    {    {
       request->op = get_op();       request->op = get_op();
       request->op->_request.insert_first(request);        request->op->_request.insert_front(request);
       destroy_op = true;       destroy_op = true;
    }    }
  
    request->block = false;    request->block = false;
    request->op->_flags |= ASYNC_OPFLAGS_PSEUDO_CALLBACK;    request->op->_flags |= ASYNC_OPFLAGS_PSEUDO_CALLBACK;
    SendAsync(request->op,     SendAsync(
         request->op,
              request->dest,              request->dest,
              _sendwait_callback,              _sendwait_callback,
              this,              this,
              (void *)0);              (void *)0);
  
    request->op->_client_sem.wait();    request->op->_client_sem.wait();
   
    request->op->lock();    request->op->lock();
    AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first());     AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_front());
    rpl->op = 0;    rpl->op = 0;
    request->op->unlock();    request->op->unlock();
  
Line 946 
Line 1096 
 } }
  
  
 Boolean MessageQueueService::register_service(String name,  Boolean MessageQueueService::register_service(
       String name,
                                               Uint32 capabilities,                                               Uint32 capabilities,
                                               Uint32 mask)                                               Uint32 mask)
   
 { {
    RegisterCimService *msg = new RegisterCimService(get_next_xid(),     RegisterCimService *msg = new RegisterCimService(
         get_next_xid(),
                                                     0,                                                     0,
                                                     true,                                                     true,
                                                     name,                                                     name,
Line 971 
Line 1122 
          {          {
             if(reply->result == async_results::OK ||             if(reply->result == async_results::OK ||
                reply->result == async_results::MODULE_ALREADY_REGISTERED )                reply->result == async_results::MODULE_ALREADY_REGISTERED )
               {
                registered = true;                registered = true;
          }          }
       }       }
         }
  
       delete reply;       delete reply;
    }    }
Line 983 
Line 1136 
  
 Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask)
 { {
      UpdateCimService *msg = new UpdateCimService(
         get_next_xid(),
    UpdateCimService *msg = new UpdateCimService(get_next_xid(),  
                                                 0,                                                 0,
                                                 true,                                                 true,
                                                 _queueId,                                                 _queueId,
Line 1001 
Line 1153 
          if(reply->getMask() & message_mask::ha_reply)          if(reply->getMask() & message_mask::ha_reply)
          {          {
             if(static_cast<AsyncReply *>(reply)->result == async_results::OK)             if(static_cast<AsyncReply *>(reply)->result == async_results::OK)
               {
                registered = true;                registered = true;
          }          }
       }       }
         }
       delete reply;       delete reply;
    }    }
    delete msg;    delete msg;
Line 1011 
Line 1165 
 } }
  
  
 Boolean MessageQueueService::deregister_service(void)  Boolean MessageQueueService::deregister_service()
 { {
  
    _meta_dispatcher->deregister_module(_queueId);    _meta_dispatcher->deregister_module(_queueId);
Line 1019 
Line 1173 
 } }
  
  
 void MessageQueueService::find_services(String name,  void MessageQueueService::find_services(
       String name,
                                         Uint32 capabilities,                                         Uint32 capabilities,
                                         Uint32 mask,                                         Uint32 mask,
                                         Array<Uint32> *results)                                         Array<Uint32> *results)
 { {
   
    if( results == 0 )    if( results == 0 )
      {
       throw NullPointer();       throw NullPointer();
      }
  
    results->clear();    results->clear();
  
    FindServiceQueue *req =     FindServiceQueue *req = new FindServiceQueue(
       new FindServiceQueue(get_next_xid(),        get_next_xid(),
                            0,                            0,
                            _queueId,                            _queueId,
                            true,                            true,
Line 1064 
Line 1220 
 void MessageQueueService::enumerate_service(Uint32 queue, message_module *result) void MessageQueueService::enumerate_service(Uint32 queue, message_module *result)
 { {
    if(result == 0)    if(result == 0)
      {
       throw NullPointer();       throw NullPointer();
      }
  
    EnumerateService *req     EnumerateService *req = new EnumerateService(
       = new EnumerateService(get_next_xid(),        get_next_xid(),
                              0,                              0,
                              _queueId,                              _queueId,
                              true,                              true,
Line 1107 
Line 1265 
    return;    return;
 } }
  
 Uint32 MessageQueueService::get_next_xid(void)  Uint32 MessageQueueService::get_next_xid()
 { {
    _xid++;      return _xidFactory.getID();
    return _xid.value();  }
   
   MessageQueueService::PollingList* MessageQueueService::_get_polling_list()
   {
       _polling_list_mutex.lock();
   
       if (!_polling_list)
           _polling_list = new PollingList;
   
       _polling_list_mutex.unlock();
   
       return _polling_list;
 } }
  
 PEGASUS_NAMESPACE_END PEGASUS_NAMESPACE_END

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Removed from v.1.64  
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  Added in v.1.120
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