(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 1.93

version 1.68, 2003/04/03 20:54:39 version 1.93, 2005/02/11 13:20:34
Line 1 
Line 1 
 //%////-*-c++-*-////////////////////////////////////////////////////////////////  //%2005////////////////////////////////////////////////////////////////////////
 // //
 // 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.
 // //
 // 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 24 
Line 30 
 // 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
 // //
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 #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 39 
Line 47 
 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;
Line 48 
Line 56 
  
 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)  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;  
   #ifdef PEGASUS_ARCHITECTURE_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
 } }
  
  
 void MessageQueueService::force_shutdown(void)  void MessageQueueService::force_shutdown(Boolean destroy_flag)
 { {
    PEGASUS_STD(cout) << "Forcing shutdown of CIMOM Message Router" << PEGASUS_STD(endl);     return;
    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
   
  
      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();
   
      MessageQueueService::_stop_polling = 1;
   
      if(destroy_flag == true)
      {
   
         svc = _polling_list.remove_last();
         while(svc)
         {
            delete svc;
            svc = _polling_list.remove_last();
         }
   
      }
 } }
  
  
Line 97 
Line 150 
    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;
Line 118 
Line 163 
          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;
   
            // 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 );    myself->exit_self( (PEGASUS_THREAD_RETURN) 1 );
    return(0);    return(0);
Line 131 
Line 183 
  
 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,
Line 155 
Line 208 
    _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 163 
Line 216 
       _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(0, "MessageQueueService", 0, 0,
                                     create_time, destroy_time, deadlock_time);                                     create_time, destroy_time, deadlock_time);
  
       _polling_thread = new Thread(polling_routine,  
                                    reinterpret_cast<void *>(&_polling_list),  
                                    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");
   
         throw BindFailedException(parms);
    }    }
  
    _polling_list.insert_last(this);    _polling_list.insert_last(this);
  
    _meta_dispatcher_mutex.unlock();  //   _meta_dispatcher_mutex.unlock();  //Bug#1090
 //   _callback_thread.run(); //   _callback_thread.run();
  
 //   _req_thread.run(); //   _req_thread.run();
Line 194 
Line 246 
 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());     {
        AutoMutex autoMut(_meta_dispatcher_mutex);
    _service_count--;    _service_count--;
    if (_service_count.value() == 0 )    if (_service_count.value() == 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;       _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;       delete _thread_pool;
       _thread_pool = 0;       _thread_pool = 0;
    }    }
    _meta_dispatcher_mutex.unlock();     } // mutex unlocks here
    _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(),
Line 245 
Line 308 
  
    _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 296 
Line 357 
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm) PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc(void * parm)
 { {
    MessageQueueService *service = reinterpret_cast<MessageQueueService *>(parm);    MessageQueueService *service = reinterpret_cast<MessageQueueService *>(parm);
   
      if ( service->_die.value() != 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
    AsyncOpNode *operation = 0;    AsyncOpNode *operation = 0;
  
    if ( service->_die.value() == 0 )           // many operations may have been queued.
            do
     {     {
          try          try
          {          {
Line 308 
Line 374 
          }          }
          catch(ListClosed & )          catch(ListClosed & )
          {          {
             operation = 0;                           break;
   
             return(0);  
          }          }
   
          if( operation )          if( operation )
          {          {
             operation->_service_ptr = service;             operation->_service_ptr = service;
             service->_handle_incoming_operation(operation);             service->_handle_incoming_operation(operation);
          }          }
     }           } while (operation);
  
    return(0);    return(0);
 } }
Line 447 
Line 512 
       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 577 
Line 636 
 { {
    if (_incoming_queue_shutdown.value() > 0 )    if (_incoming_queue_shutdown.value() > 0 )
       return false;       return false;
      if (_polling_thread == NULL)  {
         _polling_thread = new Thread(polling_routine,
                                      reinterpret_cast<void *>(&_polling_list),
                                      false);
         while (!_polling_thread->run())
         {
            pegasus_yield();
         }
           }
 // 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();
Line 592 
Line 659 
       _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;
 } }
  
Line 613 
Line 669 
    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 659 
Line 698 
    {    {
       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 687 
Line 731 
             }             }
             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 697 
Line 740 
  
          // 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;
       }       }
  
Line 714 
Line 750 
  
 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 723 
Line 764 
 } }
 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 839 
Line 883 
    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 948 
Line 991 
  
    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 1145 
Line 1188 
  
 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.1.68  
changed lines
  Added in v.1.93
No CVS admin address has been configured
 Powered by
ViewCVS 0.9.2