(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 1.41 and 1.88

version 1.41, 2002/04/24 20:24:57 version 1.88, 2004/10/17 20:39:17
Line 1 
Line 1 
 //%////-*-c++-*-////////////////////////////////////////////////////////////////  //%2004////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001 The Open group, BMC Software, Tivoli Systems, IBM  // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
   // 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.
 // //
 // 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
Line 23 
Line 28 
 // 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
 // //
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 #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
  
Line 37 
Line 44 
 AtomicInt MessageQueueService::_xid(1); AtomicInt MessageQueueService::_xid(1);
 Mutex MessageQueueService::_meta_dispatcher_mutex; Mutex MessageQueueService::_meta_dispatcher_mutex;
  
   static struct timeval create_time = {0, 1};
   static struct timeval destroy_time = {300, 0};
   static struct timeval deadlock_time = {0, 0};
   
   ThreadPool *MessageQueueService::_thread_pool = 0;
   
   DQueue<MessageQueueService> MessageQueueService::_polling_list(true);
   
   Thread* MessageQueueService::_polling_thread = 0;
   
   ThreadPool *MessageQueueService::get_thread_pool(void)
   {
      return _thread_pool;
   }
   
   PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL  MessageQueueService::kill_idle_threads(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->kill_dead_threads();
         }
         catch(...)
         {
   
         }
      }
      return (PEGASUS_THREAD_RETURN)dead_threads;
   }
   
   
   void MessageQueueService::force_shutdown(Boolean destroy_flag)
   {
      return;
   
   #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
   
   
      MessageQueueService *svc;
      int counter = 0;
      _polling_list.lock();
      svc = _polling_list.next(0);
   
      while(svc != 0)
      {
   #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();
         svc->_shutdown_incoming_queue();
         counter++;
         _polling_sem.signal();
         svc = _polling_list.next(svc);
      }
      _polling_list.unlock();
   
      _polling_sem.signal();
   
      MessageQueueService::_stop_polling = 1;
   
      if(destroy_flag == true)
      {
   
         svc = _polling_list.remove_last();
         while(svc)
         {
            delete svc;
            svc = _polling_list.remove_last();
         }
   
      }
   }
   
   
   PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::polling_routine(void *parm)
   {
      Thread *myself = reinterpret_cast<Thread *>(parm);
      DQueue<MessageQueueService> *list = reinterpret_cast<DQueue<MessageQueueService> *>(myself->get_parm());
      while ( _stop_polling.value()  == 0 )
      {
         _polling_sem.wait();
         if(_stop_polling.value() != 0 )
         {
            break;
         }
   
         list->lock();
         MessageQueueService *service = list->next(0);
         while(service != NULL)
         {
            if(service->_incoming.count() > 0 )
            {
               _thread_pool->allocate_and_awaken(service, _req_proc);
            }
            service = list->next(service);
         }
         list->unlock();
         if(_check_idle_flag.value() != 0 )
         {
            _check_idle_flag = 0;
   
            // If there are insufficent resources to run
            // kill_idle_threads, then just return.
            _thread_pool->allocate_and_awaken(service, kill_idle_threads);
         }
      }
      myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );
      return(0);
   }
   
   
   Semaphore MessageQueueService::_polling_sem(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,
Line 52 
Line 191 
      _callback_ready(0),      _callback_ready(0),
      _req_thread(_req_proc, this, false),      _req_thread(_req_proc, this, false),
      _callback_thread(_callback_proc, this, false)      _callback_thread(_callback_proc, this, false)
   
 { {
   
    _capabilities = (capabilities | module_capabilities::async);    _capabilities = (capabilities | module_capabilities::async);
  
    _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());     AutoMutex autoMut(_meta_dispatcher_mutex);
  
    if( _meta_dispatcher == 0 )    if( _meta_dispatcher == 0 )
    {    {
Line 66 
Line 207 
       _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,
                                       create_time, destroy_time, deadlock_time);
  
         _polling_thread = new Thread(polling_routine,
                                      reinterpret_cast<void *>(&_polling_list),
                                      false);
         while (!_polling_thread->run())
         {
            pegasus_yield();
         }
    }    }
    _service_count++;    _service_count++;
  
   
    if( false == register_service(name, _capabilities, _mask) )    if( false == register_service(name, _capabilities, _mask) )
    {    {
       _meta_dispatcher_mutex.unlock();        //l10n
       throw BindFailed("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");
   
         throw BindFailedException(parms);
    }    }
  
    _meta_dispatcher_mutex.unlock();     _polling_list.insert_last(this);
   
   //   _meta_dispatcher_mutex.unlock();  //Bug#1090
 //   _callback_thread.run(); //   _callback_thread.run();
  
    _req_thread.run();  //   _req_thread.run();
 } }
  
  
 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();
        _req_thread.join();  
    }    }
   
    _callback_ready.signal();    _callback_ready.signal();
    _callback_thread.join();  
  
    _meta_dispatcher_mutex.lock(pegasus_thread_self());     {
        AutoMutex autoMut(_meta_dispatcher_mutex);
    _service_count--;    _service_count--;
    if (_service_count.value() == 0 )    if (_service_count.value() == 0 )
    {    {
   
         _stop_polling++;
         _polling_sem.signal();
         _polling_thread->join();
         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_mutex.unlock();  
  
         delete _thread_pool;
         _thread_pool = 0;
        }
      } // mutex unlocks here
      _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(),
                                     0,                                     0,
                                     _queueId,                                     _queueId,
Line 139 
Line 304 
  
    _incoming.insert_last_wait(msg->op);    _incoming.insert_last_wait(msg->op);
  
    _req_thread.join();  
   
 } }
  
  
  
 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()");
  
Line 189 
Line 352 
  
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm) PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm)
 { {
    Thread *myself = reinterpret_cast<Thread *>(parm);     MessageQueueService *service = reinterpret_cast<MessageQueueService *>(parm);
    MessageQueueService *service = reinterpret_cast<MessageQueueService *>(myself->get_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;
  
    while ( service->_die.value() == 0 )     if ( service->_die.value() == 0 )
    {  
       if(service->_incoming.count() > 0 )  
       {       {
          try          try
          {          {
Line 206 
Line 365 
          }          }
          catch(ListClosed & )          catch(ListClosed & )
          {          {
             break;              operation = 0;
   
               return(0);
          }          }
          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);
          }          }
       }       }
        if( service->_callback.count() > 0 )  
       {  
          service->_callback.lock();  
          operation = service->_callback.next(0);  
          while( operation != NULL )  
          {  
             if( ASYNC_OPSTATE_COMPLETE & operation->read_state())  
             {  
                operation = service->_callback.remove_no_lock(operation);  
                service->_callback.unlock();  
                PEGASUS_ASSERT(operation != NULL);  
                operation->_thread_ptr = myself;  
                operation->_service_ptr = service;  
                service->_handle_async_callback(operation);  
                service->_callback.lock();  
                operation = service->_callback.next(operation);  
                continue;  
             }  
             pegasus_yield();  
             operation = service->_callback.next(operation);  
          }  
          service->_callback.unlock();  
       }  
       if( (service->_incoming.count() == 0) && (service->_callback.count() == 0 ) )  
          pegasus_sleep(1);  
       else  
          pegasus_yield();  
   }  
  
    myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );  
    return(0);    return(0);
 } }
  
   Uint32 MessageQueueService::get_pending_callback_count(void)
   {
      return _callback.count();
   }
   
   
   
 void MessageQueueService::_sendwait_callback(AsyncOpNode *op, void MessageQueueService::_sendwait_callback(AsyncOpNode *op,
                                              MessageQueue *q,                                              MessageQueue *q,
                                              void *parm)                                              void *parm)
Line 280 
Line 418 
             msg = wrapper->get_action();             msg = wrapper->get_action();
             delete wrapper;             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)          else if (msg->getType() == async_messages::ASYNC_OP_START)
          {          {
             AsyncOperationStart *wrapper =             AsyncOperationStart *wrapper =
Line 366 
Line 497 
             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 443 
Line 569 
       AsyncRequest *async = static_cast<AsyncRequest *>(request->_async);       AsyncRequest *async = static_cast<AsyncRequest *>(request->_async);
       AsyncOpNode *op = async->op;       AsyncOpNode *op = async->op;
       request->_async = 0;       request->_async = 0;
       // this request is probably going to be deleted !!        // the legacy request is going to be deleted by its handler
       // remove it from the op node       // remove it from the op node
       op->_request.remove(request);  
         static_cast<AsyncLegacyOperationStart *>(async)->get_action();
   
  
       AsyncLegacyOperationResult *async_result =       AsyncLegacyOperationResult *async_result =
          new AsyncLegacyOperationResult(          new AsyncLegacyOperationResult(
Line 512 
Line 640 
         _die.value() == 0  )         _die.value() == 0  )
    {    {
       _incoming.insert_last_wait(op);       _incoming.insert_last_wait(op);
         _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;
 } }
  
Line 535 
Line 653 
    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
Line 581 
Line 682 
    {    {
       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
  
Line 609 
Line 715 
             }             }
             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 619 
Line 724 
  
          // shutdown the AsyncDQueue          // shutdown the AsyncDQueue
          service->_incoming.shutdown_queue();          service->_incoming.shutdown_queue();
          // exit the thread !  
          myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );  
          return;          return;
       }       }
  
Line 631 
Line 734 
  
 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 640 
Line 748 
 } }
 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);
Line 785 
Line 896 
    if(callback == NULL)    if(callback == NULL)
       return SendForget(msg);       return SendForget(msg);
    AsyncOpNode *op = get_op();    AsyncOpNode *op = get_op();
      msg->dest = destination;
    if( NULL == (op->_op_dest = MessageQueue::lookup(msg->dest)))    if( NULL == (op->_op_dest = MessageQueue::lookup(msg->dest)))
    {    {
       op->release();       op->release();
Line 809 
Line 921 
                                        destination,                                        destination,
                                        msg,                                        msg,
                                        destination);                                        destination);
       msg = static_cast<Message *>(wrapper);  
    }    }
    else    else
    {    {
Line 817 
Line 928 
       (static_cast<AsyncMessage *>(msg))->op = op;       (static_cast<AsyncMessage *>(msg))->op = op;
    }    }
  
    op->_callback_notify = &_callback_ready;  
    _callback.insert_last(op);    _callback.insert_last(op);
   
    return _meta_dispatcher->route_async(op);    return _meta_dispatcher->route_async(op);
 } }
  
Line 867 
Line 976 
  
    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_first(request);
Line 913 
Line 1022 
                                                     capabilities,                                                     capabilities,
                                                     mask,                                                     mask,
                                                     _queueId);                                                     _queueId);
      msg->dest = CIMOM_Q_ID;
   
    Boolean registered = false;    Boolean registered = false;
    AsyncReply *reply = static_cast<AsyncReply *>(SendWait( msg ));    AsyncReply *reply = static_cast<AsyncReply *>(SendWait( msg ));
  
Line 992 
Line 1103 
                            capabilities,                            capabilities,
                            mask);                            mask);
  
      req->dest = CIMOM_Q_ID;
   
    AsyncMessage *reply = SendWait(req);    AsyncMessage *reply = SendWait(req);
    if(reply)    if(reply)
    {    {
Line 1060 
Line 1173 
  
 Uint32 MessageQueueService::get_next_xid(void) Uint32 MessageQueueService::get_next_xid(void)
 { {
      static Mutex _monitor;
      Uint32 value;
      AutoMutex autoMut(_monitor);
    _xid++;    _xid++;
    return _xid.value();     value =  _xid.value();
      return value;
   
 } }
  
 PEGASUS_NAMESPACE_END PEGASUS_NAMESPACE_END

Legend:
Removed from v.1.41  
changed lines
  Added in v.1.88
No CVS admin address has been configured
 Powered by
ViewCVS 0.9.2