(file) Return to MessageQueueService.cpp CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / Common

Diff for /pegasus/src/Pegasus/Common/MessageQueueService.cpp between version 1.68 and 1.76

version 1.68, 2003/04/03 20:54:39 version 1.76, 2003/10/10 14:31:27
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 #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
  
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 Mutex MessageQueueService::_meta_dispatcher_mutex; Mutex MessageQueueService::_meta_dispatcher_mutex;
  
 static struct timeval create_time = {0, 1}; static struct timeval create_time = {0, 1};
 static struct timeval destroy_time = {15, 0};  static struct timeval destroy_time = {300, 0};
 static struct timeval deadlock_time = {0, 0}; static struct timeval deadlock_time = {0, 0};
  
 ThreadPool *MessageQueueService::_thread_pool = 0; ThreadPool *MessageQueueService::_thread_pool = 0;
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 Thread* MessageQueueService::_polling_thread = 0; Thread* MessageQueueService::_polling_thread = 0;
  
   ThreadPool *MessageQueueService::get_thread_pool(void)
   {
      return _thread_pool;
   }
  
 int MessageQueueService::kill_idle_threads(void)  void unload_idle_providers(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->kill_dead_threads();
       }       }
       catch(IPCException& )        catch(...)
       {       {
  
       }       }
    }    }
    return dead_threads;     exit_thread((PEGASUS_THREAD_RETURN)dead_threads);
      return (PEGASUS_THREAD_RETURN)dead_threads;
 } }
  
  
 void MessageQueueService::force_shutdown(void)  void MessageQueueService::force_shutdown(Boolean destroy_flag)
 { {
    PEGASUS_STD(cout) << "Forcing shutdown of CIMOM Message Router" << PEGASUS_STD(endl);  
    MessageQueueService::_stop_polling = 1;  
    MessageQueueService *svc;  
  
   #ifdef MESSAGEQUEUESERVICE_DEBUG
           //l10n
      MessageLoaderParms parms("Common.MessageQueueService.FORCING_SHUTDOWN",
                               "Forcing shutdown of CIMOM Message Router");
      PEGASUS_STD(cout) << MessageLoader::getMessage(parms) << PEGASUS_STD(endl);
   #endif
      PEGASUS_STD(cout) << "MessageQueueService::force_shutdown()" << PEGASUS_STD(endl);
   
   
   
      MessageQueueService *svc;
      int counter = 0;
    _polling_list.lock();    _polling_list.lock();
    svc = _polling_list.next(0);    svc = _polling_list.next(0);
   
    while(svc != 0)    while(svc != 0)
    {    {
       PEGASUS_STD(cout) << "Stopping " << svc->getQueueName() << PEGASUS_STD(endl);  #ifdef MESSAGEQUEUESERVICE_DEBUG
                   //l10n - reuse same MessageLoaderParms to avoid multiple creates
           parms.msg_id = "Common.MessageQueueService.STOPPING_SERVICE";
                   parms.default_msg = "Stopping $0";
                   parms.arg0 = svc->getQueueName();
                   PEGASUS_STD(cout) << MessageLoader::getMessage(parms) << PEGASUS_STD(endl);
   #endif
   
       _polling_sem.signal();       _polling_sem.signal();
       svc->_shutdown_incoming_queue();       svc->_shutdown_incoming_queue();
         counter++;
       _polling_sem.signal();       _polling_sem.signal();
       svc = _polling_list.next(svc);       svc = _polling_list.next(svc);
    }    }
    _polling_list.unlock();    _polling_list.unlock();
   
      _polling_sem.signal();
   
      PEGASUS_STD(cout) << "Force shutdown found " << counter << " services" << PEGASUS_STD(endl);
   
      MessageQueueService::_stop_polling = 1;
   
      if(destroy_flag == true)
      {
   
         svc = _polling_list.remove_last();
         while(svc)
         {
            PEGASUS_STD(cout) << "preparing to delete " << svc->getQueueName() << PEGASUS_STD(endl);
   
            delete svc;
            svc = _polling_list.remove_last();
         }
   
      }
 } }
  
  
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    DQueue<MessageQueueService> *list = reinterpret_cast<DQueue<MessageQueueService> *>(myself->get_parm());    DQueue<MessageQueueService> *list = reinterpret_cast<DQueue<MessageQueueService> *>(myself->get_parm());
    while ( _stop_polling.value()  == 0 )    while ( _stop_polling.value()  == 0 )
    {    {
       try  
       {  
          _polling_sem.wait();          _polling_sem.wait();
       }  
       catch (WaitFailed)  
       {  
          myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );  
       }  
   
       if(_stop_polling.value() != 0 )       if(_stop_polling.value() != 0 )
       {       {
          break;          break;
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          if(service->_incoming.count() > 0 )          if(service->_incoming.count() > 0 )
          {          {
             _thread_pool->allocate_and_awaken(service, _req_proc);             _thread_pool->allocate_and_awaken(service, _req_proc);
 //          service->_req_proc(service);  
          }          }
          service = list->next(service);          service = list->next(service);
       }       }
       list->unlock();       list->unlock();
         if(_check_idle_flag.value() != 0 )
         {
            _check_idle_flag = 0;
            Thread th(kill_idle_threads, 0, true);
            th.run();
         }
    }    }
    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,
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    if( false == register_service(name, _capabilities, _mask) )    if( false == register_service(name, _capabilities, _mask) )
    {    {
       _meta_dispatcher_mutex.unlock();       _meta_dispatcher_mutex.unlock();
       throw BindFailedException("MessageQueueService Base Unable to register with  Meta Dispatcher");        //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);    _polling_list.insert_last(this);
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 MessageQueueService::~MessageQueueService(void) MessageQueueService::~MessageQueueService(void)
 { {
    _die = 1;    _die = 1;
   
    if (_incoming_queue_shutdown.value() == 0 )    if (_incoming_queue_shutdown.value() == 0 )
    {    {
       _shutdown_incoming_queue();       _shutdown_incoming_queue();
    }    }
    _callback_ready.signal();    _callback_ready.signal();
 //   _callback_thread.join();  
  
    _meta_dispatcher_mutex.lock(pegasus_thread_self());    _meta_dispatcher_mutex.lock(pegasus_thread_self());
    _service_count--;    _service_count--;
    if (_service_count.value() == 0 )    if (_service_count.value() == 0 )
    {    {
   
       _stop_polling++;       _stop_polling++;
       _polling_sem.signal();       _polling_sem.signal();
       _polling_thread->join();       _polling_thread->join();
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       _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;       delete _thread_pool;
       _thread_pool = 0;       _thread_pool = 0;
    }    }
    _meta_dispatcher_mutex.unlock();    _meta_dispatcher_mutex.unlock();
    _polling_list.remove(this);    _polling_list.remove(this);
      // Clean up in case there are extra stuff on the queue.
     while (_incoming.count())
     {
           delete _incoming.remove_first();
     }
 } }
  
 void MessageQueueService::_shutdown_incoming_queue(void) void MessageQueueService::_shutdown_incoming_queue(void)
 { {
  
   
    if (_incoming_queue_shutdown.value() > 0 )    if (_incoming_queue_shutdown.value() > 0 )
       return ;       return ;
    AsyncIoctl *msg = new AsyncIoctl(get_next_xid(),    AsyncIoctl *msg = new AsyncIoctl(get_next_xid(),
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    _incoming.insert_last_wait(msg->op);    _incoming.insert_last_wait(msg->op);
  
 //   _req_thread.join();  
   
 } }
  
  
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       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));
       }       }
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       _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;
 } }
  
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    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
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    {    {
       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.           // 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
  
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             }             }
             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);
             }             }
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          // shutdown the AsyncDQueue          // shutdown the AsyncDQueue
          service->_incoming.shutdown_queue();          service->_incoming.shutdown_queue();
          AsyncOpNode *op = req->op;  
          op->_request.remove_first();  
          op->release();  
          return_op(op);  
          delete req;  
          // exit the thread !  
 //       myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );  
          return;          return;
       }       }
  

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  Added in v.1.76
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