TAO_BEGIN_VERSIONED_NAMESPACE_DECL

TAO_NotifyLogNotification::TAO_NotifyLogNotification (
  CosNotifyChannelAdmin::EventChannel_ptr ec)
  : TAO_LogNotification (),
    event_channel_ (CosNotifyChannelAdmin::EventChannel::_duplicate (ec))
{

  CosNotifyComm::PushSupplier_var objref =
    this->_this ();
  ACE_ASSERT (!CORBA::is_nil (objref.in ()));

  CosNotifyChannelAdmin::AdminID adminID;
  CosNotifyChannelAdmin::SupplierAdmin_var supplier_admin =
    this->event_channel_->new_for_suppliers (CosNotifyChannelAdmin::OR_OP, adminID);

  ACE_ASSERT (!CORBA::is_nil (supplier_admin.in ()));

  CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
    supplier_admin->obtain_notification_push_consumer (CosNotifyChannelAdmin::ANY_EVENT, proxy_consumer_id_);

  ACE_ASSERT (!CORBA::is_nil (proxyconsumer.in ()));

  // narrow
  this->proxy_consumer_ =
    CosNotifyChannelAdmin::ProxyPushConsumer::_narrow (proxyconsumer.in ());

  ACE_ASSERT (!CORBA::is_nil (this->proxy_consumer_.in ()));

  proxy_consumer_->connect_any_push_supplier (objref.in ());
}
Exemple #2
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CosNotifyChannelAdmin::ProxyConsumer_ptr
TAO_Notify_SupplierAdmin::obtain_notification_push_consumer_with_qos (CosNotifyChannelAdmin::ClientType ctype,
                                                                  CosNotifyChannelAdmin::ProxyID_out proxy_id,
                                                                  const CosNotification::QoSProperties & initial_qos)
{
  CosNotifyChannelAdmin::ProxyConsumer_var proxy =
    TAO_Notify_PROPERTIES::instance()->builder()->build_proxy (this
                                                                , ctype
                                                                , proxy_id,
                                                                initial_qos);
  this->self_change ();
  return proxy._retn ();
}
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void
TAO_Notify_ThreadPool_Supplier::connect (void)
{
  // Activate the supplier object.
  CosNotifyComm::StructuredPushSupplier_var objref = this->_this ();

  CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer;

  if (this->proxy_consumer_thread_count_ != 0)
    {
      // Narrow to the extended interface.
      NotifyExt::SupplierAdmin_var admin_ext = NotifyExt::SupplierAdmin::_narrow (this->admin_.in ());

      NotifyExt::ThreadPoolParams tp_params = { NotifyExt::CLIENT_PROPAGATED, 0,
                                                0, static_cast<CORBA::ULong> (this->proxy_consumer_thread_count_),
                                                0, 0, 0, 0, 0 };

      CosNotification::QoSProperties qos (1);
      qos.length (1);
      qos[0].name = CORBA::string_dup (NotifyExt::ThreadPool);
      qos[0].value <<= tp_params;

      // Obtain the proxy. The QoS is applied to the POA in which the Proxy is hosted.
      proxyconsumer = admin_ext->obtain_notification_push_consumer_with_qos (CosNotifyChannelAdmin::STRUCTURED_EVENT
                                                                                   , proxy_consumer_id_, qos);
    }
  else
    {
      // Obtain the proxy.
      proxyconsumer = this->admin_->obtain_notification_push_consumer (CosNotifyChannelAdmin::STRUCTURED_EVENT
                                                                       , proxy_consumer_id_);
    }

  ACE_ASSERT (!CORBA::is_nil (proxyconsumer.in ()));

  // narrow
  this->proxy_consumer_ =
    CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (proxyconsumer.in ());

  ACE_ASSERT (!CORBA::is_nil (proxy_consumer_.in ()));

  // connect to the proxyconsumer.
  proxy_consumer_->connect_structured_push_supplier (objref.in ());

  ACE_DEBUG ((LM_DEBUG, "(%P,%t) Created Supplier %d with %d threads at the ProxyConsumer\n", proxy_consumer_id_,
              this->proxy_consumer_thread_count_));
}
void
Notify_Push_Supplier::_connect (
                CosNotifyChannelAdmin::SupplierAdmin_ptr supplier_admin,
                CosNotifyChannelAdmin::EventChannel_ptr notify_channel,
                bool useFilter)
{
  CosNotifyComm::StructuredPushSupplier_var objref =
    this->_this ();

  CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
    supplier_admin->obtain_notification_push_consumer (
      CosNotifyChannelAdmin::STRUCTURED_EVENT,
      proxy_id_);

  if (useFilter)
    {
      CosNotifyFilter::FilterFactory_var ffact =
        notify_channel->default_filter_factory ();

      CosNotifyFilter::Filter_var filter =
        ffact->create_filter ("TCL");

      ACE_ASSERT(! CORBA::is_nil (filter.in ()));

      CosNotifyFilter::ConstraintExpSeq constraint_list (1);
      constraint_list.length (1);

      constraint_list[0].event_types.length (0);
      constraint_list[0].constraint_expr = CORBA::string_dup ("group != 0");

      filter->add_constraints (constraint_list);

      proxyconsumer->add_filter (filter.in ());
    }

  this->proxy_ =
    CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (
      proxyconsumer.in ());

  this->proxy_->connect_structured_push_supplier (objref.in ());

  // give ownership to POA
  this->_remove_ref ();
}
Exemple #5
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void
Filter_StructuredPushSupplier::connect (CosNotifyChannelAdmin::SupplierAdmin_ptr supplier_admin)
{
  CosNotifyComm::StructuredPushSupplier_var objref =
    this->_this ();

  CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
    supplier_admin->obtain_notification_push_consumer (CosNotifyChannelAdmin::STRUCTURED_EVENT, proxy_consumer_id_);

  ACE_ASSERT (!CORBA::is_nil (proxyconsumer.in ()));

  // narrow
  this->proxy_consumer_ =
    CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (proxyconsumer.in ());

  ACE_ASSERT (!CORBA::is_nil (proxy_consumer_.in ()));

  proxy_consumer_->connect_structured_push_supplier (objref.in ());
}
CosNotifyChannelAdmin::ProxyConsumer_ptr
TAO_MonitorSupplierAdmin::obtain_named_notification_push_consumer (
        CosNotifyChannelAdmin::ClientType ctype,
        CosNotifyChannelAdmin::ProxyID_out proxy_id,
        const char * name)
{
  // First, make sure we can get down to the real ec type
  TAO_MonitorEventChannel* ec =
    dynamic_cast<TAO_MonitorEventChannel*> (this->ec_.get ());
  if (ec == 0)
    throw CORBA::INTERNAL ();

  // Next, create the push consumer proxy
  CosNotifyChannelAdmin::ProxyConsumer_var proxy =
    this->TAO_Notify_SupplierAdmin::obtain_notification_push_consumer (
      ctype, proxy_id);

  // Next, map the proxy id to the name in the ec
  ec->map_consumer_proxy (proxy_id, name);

  return proxy._retn ();
}
Exemple #7
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void
TAO_Notify_Lanes_Supplier::connect (void)
{
  // Activate the supplier object.
  CosNotifyComm::StructuredPushSupplier_var objref = this->_this ();

  // Obtain the proxy.
  CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
    this->admin_->obtain_notification_push_consumer (CosNotifyChannelAdmin::STRUCTURED_EVENT
                                                     , proxy_consumer_id_);

  ACE_ASSERT (!CORBA::is_nil (proxyconsumer.in ()));

  // narrow
  this->proxy_consumer_ =
    CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (proxyconsumer.in ());

  ACE_ASSERT (!CORBA::is_nil (proxy_consumer_.in ()));

  // connect to the proxyconsumer.
  proxy_consumer_->connect_structured_push_supplier (objref.in ());
}
Exemple #8
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int
ACE_TMAIN (int argc, ACE_TCHAR* argv[])
{
#if defined (TAO_HAS_MONITOR_FRAMEWORK) && (TAO_HAS_MONITOR_FRAMEWORK == 1)

  try
    {
      CORBA::ORB_var orb = CORBA::ORB_init (argc, argv);

      CORBA::Object_var obj = orb->resolve_initial_references ("RootPOA");
      PortableServer::POA_var poa =
        PortableServer::POA::_narrow (obj.in ());

      PortableServer::POAManager_var poa_manager = poa->the_POAManager ();
      poa_manager->activate ();

      TAO_Notify_Service* notify_service =
        TAO_Notify_Service::load_default ();

      if (notify_service == 0)
        {
          error ("Unable to load the Notify Service");
        }

      notify_service->init_service (orb.in ());
      ACE_OS::sleep (1);

      const ACE_CString ecf_name ("MonitoringEventChannelFactory");
      CosNotifyChannelAdmin::EventChannelFactory_var ecf =
         notify_service->create (poa.in (), ecf_name.c_str ());
      NotifyMonitoringExt::EventChannelFactory_var monitor_ec_factory =
        NotifyMonitoringExt::EventChannelFactory::_narrow (ecf.in ());

      if (CORBA::is_nil (monitor_ec_factory.in ()))
        {
         error ("Unable to create the Monitoring Event Channel Factory");
        }

      CosNotification::QoSProperties qos_prop;
      CosNotification::AdminProperties admin_prop;
      CosNotifyChannelAdmin::ChannelID id;
      const ACE_CString ec_name ("test1");

      CosNotifyChannelAdmin::EventChannel_var ec =
        monitor_ec_factory->create_named_channel (qos_prop,
                                                  admin_prop,
                                                  id,
                                                  ec_name.c_str ());
      NotifyMonitoringExt::EventChannel_var mec =
        NotifyMonitoringExt::EventChannel::_narrow (ec.in ());

      if (CORBA::is_nil (mec.in ()))
        {
          error ("Unable to narrow the event channel");
        }

      try
        {
          CosNotifyChannelAdmin::ChannelID fake_id;
          CosNotifyChannelAdmin::EventChannel_var fake =
            monitor_ec_factory->create_named_channel (qos_prop,
                                                      admin_prop,
                                                      fake_id,
                                                      "test1");
          error ("Expected a NotifyMonitoringExt::"
                 "NameAlreadyUsed exception");
        }
      catch (const NotifyMonitoringExt::NameAlreadyUsed&)
        {
          // This is expected.
        }

      Monitor_Point_Registry* instance = Monitor_Point_Registry::instance ();
      ACE_CString stat_name =
        ecf_name
        + "/"
        + ACE_CString (NotifyMonitoringExt::InactiveEventChannelCount);

      Monitor_Base* stat = instance->get (stat_name);

      if (stat == 0)
        {
          error ("Could not find InactiveEventChannelCount statistic");
        }

      stat->update ();
      double count = stat->last_sample ();

      if (!ACE::is_equal (count, 1.0))
        {
          error ("Invalid inactive event channel count");
        }

      stat_name =
        ecf_name
        + "/"
        + ACE_CString (NotifyMonitoringExt::ActiveEventChannelCount);

      stat = instance->get (stat_name);

      if (stat == 0)
        {
          error ("Could not find ActiveEventChannelCount statistic");
        }

      stat->update ();
      count = stat->last_sample ();

      if (!ACE::is_equal (count, 0.0))
        {
          error ("Invalid active event channel count");
        }

      stat_name =
        ecf_name
        + "/"
        + ACE_CString (NotifyMonitoringExt::InactiveEventChannelNames);

      stat = instance->get (stat_name);

      if (stat == 0)
        {
          error ("Could not find InactiveEventChannels statistic");
        }

      stat->update ();
      Monitor_Control_Types::NameList list = stat->get_list ();

      if (list.size () != 1)
        {
          error ("Invalid inactive event channel list");
        }

      ACE_CString full_ec_name (ecf_name + "/" + ec_name);

      if (list[0] != full_ec_name)
        {
          error ("Wrong event channel name");
        }

      CosNotifyChannelAdmin::AdminID aid;
      CosNotifyChannelAdmin::SupplierAdmin_var admin =
        mec->named_new_for_suppliers (CosNotifyChannelAdmin::AND_OP,
                                      aid,
                                      "TestSupplierAdmin");

      try
        {
          admin =
            mec->named_new_for_suppliers (CosNotifyChannelAdmin::AND_OP,
                                          aid,
                                          "TestSupplierAdmin");

          error ("Expected a SupplierAdmin "
                 "NotifyMonitoringExt::NameAlreadyUsed exception");
        }
      catch (const NotifyMonitoringExt::NameAlreadyUsed&)
        {
          // This is expected.
        };

      // We should be able to create another one with the same name.
      admin->destroy ();
      admin =
        mec->named_new_for_suppliers (CosNotifyChannelAdmin::AND_OP,
                                      aid,
                                      "TestSupplierAdmin");

      NotifyMonitoringExt::SupplierAdmin_var madmin =
        NotifyMonitoringExt::SupplierAdmin::_narrow (admin.in ());

      if (CORBA::is_nil (madmin.in ()))
        {
          error ("Could not narrow the supplier admin");
        }

      CosNotifyChannelAdmin::ProxyID pid;
      CosNotifyChannelAdmin::ProxyConsumer_var conproxy =
        madmin->obtain_named_notification_push_consumer (
          CosNotifyChannelAdmin::STRUCTURED_EVENT,
          pid,
          "supplier");

      try
        {
          CosNotifyChannelAdmin::ProxyConsumer_var fake =
            madmin->obtain_named_notification_push_consumer
            (CosNotifyChannelAdmin::STRUCTURED_EVENT, pid, "supplier");

          error ("Expected a ProxyConsumer "
                 "NotifyMonitoringExt::NameAlreadyUsed exception");
        }
      catch (const NotifyMonitoringExt::NameAlreadyUsed&)
        {
          // This is expected.
        }

      stat_name =
        ecf_name
        + "/"
        + ec_name
        + "/"
        + ACE_CString (NotifyMonitoringExt::EventChannelSupplierCount);

      stat = instance->get (stat_name);

      if (stat == 0)
        {
          error ("Could not find the event channel suppliers statistic");
        }

      stat->update ();
      count = stat->last_sample ();

      if (!ACE::is_equal (count, 1.0))
        {
          error ("Invalid supplier count");
        }

      CosNotifyChannelAdmin::StructuredProxyPushConsumer_var push_conproxy =
        CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (
          conproxy.in ());
      ACE_ASSERT (!CORBA::is_nil (push_conproxy.in ()));
      push_conproxy->disconnect_structured_push_consumer ();

      try
        {
          CosNotifyChannelAdmin::ProxyConsumer_var fake =
            madmin->obtain_named_notification_push_consumer (
              CosNotifyChannelAdmin::STRUCTURED_EVENT,
              pid,
              "supplier");
        }
      catch (const NotifyMonitoringExt::NameAlreadyUsed&)
        {
          error ("Unexpected ProxyConsumer "
                 "NotifyMonitoringExt::NameAlreadyUsed exception");
        }

      CosNotifyChannelAdmin::ConsumerAdmin_var cadmin =
        mec->named_new_for_consumers (CosNotifyChannelAdmin::AND_OP,
                                      aid,
                                      "TestConsumerAdmin");

      try
        {
          cadmin =
            mec->named_new_for_consumers (CosNotifyChannelAdmin::AND_OP,
                                          aid,
                                          "TestConsumerAdmin");

          error ("Expected a ConsumerAdmin "
                 "NotifyMonitoringExt::NameAlreadyUsed exception");
        }
      catch (const NotifyMonitoringExt::NameAlreadyUsed&)
        {
          // This is expected.
        };

      // We should be able to create another one with the same name
      cadmin->destroy ();
      cadmin =
        mec->named_new_for_consumers (CosNotifyChannelAdmin::AND_OP,
                                      aid,
                                      "TestConsumerAdmin");

      NotifyMonitoringExt::ConsumerAdmin_var mcadmin =
        NotifyMonitoringExt::ConsumerAdmin::_narrow (cadmin.in ());

      if (CORBA::is_nil (mcadmin.in ()))
        {
          error ("Could not narrow the consumer admin");
        }

      CosNotifyChannelAdmin::ProxySupplier_var supproxy =
        mcadmin->obtain_named_notification_push_supplier (
          CosNotifyChannelAdmin::STRUCTURED_EVENT,
          pid,
          "consumer");

      try
        {
          CosNotifyChannelAdmin::ProxySupplier_var fake =
            mcadmin->obtain_named_notification_push_supplier (
              CosNotifyChannelAdmin::STRUCTURED_EVENT,
              pid,
              "consumer");

          error ("Expected a ProxySupplier "
                 "NotifyMonitoringExt::NameAlreadyUsed exception");
        }
      catch (const NotifyMonitoringExt::NameAlreadyUsed&)
        {
          // This is expected.
        }

      stat_name =
        ecf_name
        + "/"
        + ec_name
        + "/"
        + ACE_CString (NotifyMonitoringExt::EventChannelConsumerCount);

      stat = instance->get (stat_name);

      if (stat == 0)
        {
          error ("Could not find the event channel consumers statistic");
        }

      stat->update ();
      count = stat->last_sample ();

      if (!ACE::is_equal (count, 1.0))
        {
          error ("Invalid consumer count");
        }

      CosNotifyChannelAdmin::StructuredProxyPushSupplier_var push_supproxy =
        CosNotifyChannelAdmin::StructuredProxyPushSupplier::_narrow (
          supproxy.in());
      ACE_ASSERT (!CORBA::is_nil (push_supproxy.in ()));
      push_supproxy->disconnect_structured_push_supplier ();

      try
        {
          CosNotifyChannelAdmin::ProxySupplier_var fake =
            mcadmin->obtain_named_notification_push_supplier (
              CosNotifyChannelAdmin::STRUCTURED_EVENT,
              pid,
              "consumer");
        }
      catch (const NotifyMonitoringExt::NameAlreadyUsed&)
        {
          error ("Unexpected ProxySupplier "
                 "NotifyMonitoringExt::NameAlreadyUsed exception");
        }

      TAO_MonitorManager::shutdown ();
      orb->destroy ();
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception ("MonitorControlExt: ");
    }
  catch (...)
    {
      error ("Caught an unexpected exception type");
    }
#else /* ACE_HAS_MONITOR_FRAMEWORK==1 */
  ACE_UNUSED_ARG (argc);
  ACE_UNUSED_ARG (argv);
#endif /* TAO_HAS_MONITOR_FRAMEWORK==1 */

  return 0;
}
Exemple #9
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void
Supplier_Main::init_any_proxy_consumer (void)
{
  bool ok = false;
  CosNotifyChannelAdmin::ProxyConsumer_var proxy;
  if (this->reconnecting_)
  {
    try
    {
      proxy = this->sa_->get_proxy_consumer(
        this->any_proxy_id_);
      ok = ! CORBA::is_nil (proxy.in ());
      if (ok && this->verbose_)
      {
        ACE_DEBUG ((LM_DEBUG,
          ACE_TEXT ("(%P|%t) Supplier: Reconnect to proxy %d\n"),
          static_cast<int>(this->any_proxy_id_)
          ));
      }
    }
    catch (...)
    {
    }
  }

  if (!ok)
  {
    proxy = this->sa_->obtain_notification_push_consumer(
        CosNotifyChannelAdmin::ANY_EVENT,
        this->any_proxy_id_);
    ok = ! CORBA::is_nil (proxy.in ());
    if (ok && this->verbose_)
    {
      ACE_DEBUG ((LM_DEBUG,
        ACE_TEXT ("(%P|%t) Supplier: Create new proxy %d\n"),
          static_cast<int>(this->any_proxy_id_)
        ));
    }
  }
  this->any_proxy_push_consumer_ =
    CosNotifyChannelAdmin::ProxyPushConsumer::_narrow(proxy.in ());

  if (CORBA::is_nil (this->any_proxy_push_consumer_.in ()))
  {
    ACE_ERROR ((LM_ERROR,
      ACE_TEXT ("(%P|%t) Supplier: Received wrong type of push consumer proxy %d\n"),
        static_cast<int>(this->any_proxy_id_)
      ));
    throw CORBA::UNKNOWN();
  }

  if (CORBA::is_nil (this->any_push_supplier_ref_.in ()))
  {
    PortableServer::ObjectId_var push_supplier_id =
      this->root_poa_->activate_object (
        &(this->any_push_supplier_));

    CORBA::Object_var obj =
      this->root_poa_->id_to_reference (push_supplier_id.in ());

    this->any_push_supplier_ref_ =
      CosNotifyComm::PushSupplier::_narrow (obj.in ());
  }
  if (CORBA::is_nil (any_push_supplier_ref_.in ()))
  {
    ACE_ERROR ((LM_ERROR,
      ACE_TEXT ("(%P|%t) Supplier: Received wrong type of push consumer proxy %d\n"),
        static_cast<int>(this->sequence_proxy_id_)
      ));
    throw CORBA::UNKNOWN();
  }

  this->any_proxy_push_consumer_->connect_any_push_supplier (
    any_push_supplier_ref_.in ());
}
Exemple #10
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//-----------------------------------------------------------------------------
void
Supplier::createSupplier()
{
    ACS_TRACE("Supplier::createSupplier");

    // TAO Developer's Guide p. 599 - Create Supplier Admin object
    if(CORBA::is_nil(notifyChannel_m.in()) == true)
	{
	ACS_SHORT_LOG((LM_ERROR, "Supplier::createSupplier error occured for the '%s' channel!",
		       channelName_mp));
	CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Supplier::createSupplier");
	throw err.getCORBAProblemEx();
	}

    // CosNotifyChannelAdmin::AdminID adminid;
    // CosNotifyChannelAdmin::ProxyID proxyConsumerID;

    try
	{
	//get a supplier admin
	SupplierAdmin_m = notifyChannel_m->new_for_suppliers(ifgop_m, adminid);
	//sanity check on the supplier admin
	if(CORBA::is_nil(SupplierAdmin_m.in()) == true)
	    {
	    ACS_SHORT_LOG((LM_ERROR, "Supplier::createSupplier error occured for the '%s' channel!",
			   channelName_mp));
	    CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Supplier::createSupplier");
	    throw err.getCORBAProblemEx();
	    }

	// Check if our admin is a proper TAO extension
	// so we can create a named proxy consumer
	bool isAdminExt = false;
	try {
		NotifyMonitoringExt::SupplierAdmin_var supplierAdminExt = NotifyMonitoringExt::SupplierAdmin::_narrow(SupplierAdmin_m);
		isAdminExt = (supplierAdminExt != 0);
	} catch(...) {}

	//get a proxy consumer
	CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer = 0;
	if( isAdminExt ) {

		char *name = 0;
		if( component_mp != 0 )
			name = component_mp->name();
		else
			name = "Unknown";

		std::string proxyName(createRandomizedClientName(name));
		NotifyMonitoringExt::SupplierAdmin_var supplierAdminExt = NotifyMonitoringExt::SupplierAdmin::_narrow(SupplierAdmin_m);

		while( proxyconsumer == 0 ) {
			try {
				proxyconsumer = supplierAdminExt->obtain_named_notification_push_consumer(CosNotifyChannelAdmin::STRUCTURED_EVENT, proxyConsumerID, proxyName.c_str());
	    		//ACS_SHORT_LOG((LM_INFO,"Consumer::createConsumer Got named proxy supplier '%s' with proxyID %d", proxyName.c_str(), proxyconsumerID));
			} catch (NotifyMonitoringExt::NameAlreadyUsed &ex) {
				// If the original name is already in use, append "-<tries>" and try again
				// until we find a free name
				proxyName = createRandomizedClientName(name);
			} catch (...) {
				// If any unexpected problem appears, try the unnamed version
				proxyconsumer = SupplierAdmin_m->obtain_notification_push_consumer(CosNotifyChannelAdmin::STRUCTURED_EVENT, proxyConsumerID);
	    		//ACS_SHORT_LOG((LM_INFO,"Consumer::createConsumer Created unnamed proxy supplier"));
			}
		}

	}
	else {
		// Just the unnamed version if we don't have the TAO extensions
		proxyconsumer = SupplierAdmin_m->obtain_notification_push_consumer(CosNotifyChannelAdmin::STRUCTURED_EVENT, proxyConsumerID);
	}

	//sanity check on the consumer admin
	if(CORBA::is_nil(proxyconsumer.in()) == true)
	    {
	    ACS_SHORT_LOG((LM_ERROR, "Supplier::createSupplier error occured for the '%s' channel!",
			   channelName_mp));
	    CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Supplier::createSupplier");
	    throw err.getCORBAProblemEx();
	    }

	//narrow the consumer to a structured proxy
	proxyConsumer_m = CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow(proxyconsumer.in());
	//sanity check
	if(CORBA::is_nil(proxyConsumer_m.in()) == true)
	    {
	    ACS_SHORT_LOG((LM_ERROR, "Supplier::createSupplier error occured for the '%s' channel!",
			   channelName_mp));
	    CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Supplier::createSupplier");
	    throw err.getCORBAProblemEx();
	    }

	//activate ourself as a CORBA object
	reference_m = BACI_CORBA::ActivateTransientCORBAObject<CosNotifyComm::StructuredPushSupplier>(this);
	if (reference_m.in()==0)
	    {
	    reference_m = this->_this();
	    }

	//sanity check
	if(CORBA::is_nil(reference_m.in()) == true)
	    {
	    ACS_SHORT_LOG((LM_ERROR, "Supplier::createSupplier error occured for the '%s' channel!",
			   channelName_mp));
	    CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Supplier::createSupplier");
	    throw err.getCORBAProblemEx();
	    }

	//finally attach ourself to the proxy consumer
	proxyConsumer_m->connect_structured_push_supplier(reference_m.in());
	}
    catch(CORBAProblemEx)
	{
	//exception thrown by us...OK to rethrow
	ACS_SHORT_LOG((LM_TRACE, "Supplier::createSupplier nil pointer error occured for the '%s' channel!",
		       channelName_mp));
	throw;
	}
    catch(...)
	{
	ACS_SHORT_LOG((LM_ERROR, "Supplier::createSupplier unknown error occured for the '%s' channel!",
		       channelName_mp));
	CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Supplier::createSupplier");
	throw err.getCORBAProblemEx();
	}
}