C++ EventChannel_var::set_qos方法代码示例

CosNotifyChannelAdmin::EventChannel_ptr
TAO_Notify_Lanes_Supplier_Client::create_ec (void)
{
  CosNotifyChannelAdmin::EventChannel_var ec;

  CosNotifyChannelAdmin::EventChannelFactory_var ecf = this->orb_objects_.notify_factory ();

  // Create an EventChannel
  CosNotification::QoSProperties qos;
  CosNotification::AdminProperties admin;

  // Create an event channel
  CosNotifyChannelAdmin::ChannelID id;

  ec = ecf->create_channel (qos,
                            admin,
                            id);

  // Set the Qos : 2 Lanes
  NotifyExt::ThreadPoolLanesParams tpl_params;

  tpl_params.priority_model = NotifyExt::CLIENT_PROPAGATED;
  tpl_params.server_priority = 0;
  tpl_params.stacksize = 0;
  tpl_params.lanes.length (this->consumer_count_ + 1);
  tpl_params.allow_borrowing = 0;
  tpl_params.allow_request_buffering = 0;
  tpl_params.max_buffered_requests = 0;
  tpl_params.max_request_buffer_size = 0;

  /*
   * Note that we actually create 1 extra Lane.
   * The extra Lane at priority 0 is created to match the priority 0 of the supplier thread.
   * As the ProxyConsumer is activated in an RT POA with lanes, each invocation must mach some lane.
   * Now, we typically reserve higer priorities to make requests and the lowest priority 0 for administrative calls
   * e.g. <subscription_change>. If we do not have a lane at the lowest 0 priority, then the invocation made from
   * the supplier at priority 0 will fail.
   */
  tpl_params.lanes[0].lane_priority = 0; // Priority 0
  tpl_params.lanes[0].static_threads = 1;
  tpl_params.lanes[0].dynamic_threads = 0;

  RTCORBA::Priority priority = 1; // The priority at which we send an event each.

  for (int i = 1; i <= this->consumer_count_; ++i, ++priority)
    {
      tpl_params.lanes[i].lane_priority = priority;
      tpl_params.lanes[i].static_threads = 1;
      tpl_params.lanes[i].dynamic_threads = 0;
    }

  qos.length (1);
  qos[0].name = CORBA::string_dup (NotifyExt::ThreadPoolLanes);
  qos[0].value <<= tpl_params;

  // Note that instead of <set_qos>, the <qos> can also be passed while creating the channel.
  ec->set_qos (qos);

  return ec._retn ();
}

void
TAO_Notify_Tests_EventChannel_Command::handle_set_qos (void)
{
  CosNotifyChannelAdmin::EventChannel_var ec;

  LOOKUP_MANAGER->resolve (ec, this->name_.c_str ());

  ec->set_qos (this->qos_);
}

CosNotifyChannelAdmin::EventChannel_ptr
TAO_Notify_ThreadPool_Supplier_Client::create_ec (void)
{
  CosNotifyChannelAdmin::EventChannel_var ec;

  CosNotifyChannelAdmin::EventChannelFactory_var ecf = this->orb_objects_.notify_factory ();

  // Create an EventChannel
  CosNotification::QoSProperties qos;
  CosNotification::AdminProperties admin;

  // Create an event channel
  CosNotifyChannelAdmin::ChannelID id;

  ec = ecf->create_channel (qos,
                            admin,
                            id);

  // Set the Qos
  // See $TAO_ROOT/orbsvcs/orbsvcs/NotifyExt.idl
  if (this->ec_thread_count_)
    {
      NotifyExt::ThreadPoolParams tp_params = { NotifyExt::CLIENT_PROPAGATED, 0,
                                                0, static_cast<CORBA::ULong> (this->ec_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;

      // Note that instead of <set_qos>, the <qos> can also be passed while creating the channel.
      ec->set_qos (qos);
    }

  ACE_DEBUG ((LM_DEBUG, "(%P,%t) Created Event Channel with %d threads\n", this->ec_thread_count_));

  return ec._retn ();
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  ACE_Auto_Ptr< sig_i > sig_impl;
  try
  {
    Supplier_Client client;
    int status = client.init (argc, argv);
    ACE_UNUSED_ARG(status);
    ACE_ASSERT(status == 0);

    CosNotifyChannelAdmin::EventChannel_var ec =
      client.create_event_channel ("MyEventChannel", 0);

    CosNotification::QoSProperties qos (1);
    qos.length (1);
    qos[0].name = CORBA::string_dup (CosNotification::OrderPolicy);
    qos[0].value <<= order_policy;
    ec->set_qos (qos);

    CORBA::ORB_ptr orb = client.orb ();

    sig_impl.reset( new sig_i( orb ) );
    sig_var sig = sig_impl->_this ();

    CORBA::String_var ior =
      orb->object_to_string (sig.in ());

    if (ior_output_file != 0)
    {
      FILE *output_file= ACE_OS::fopen (ior_output_file, "w");
      if (output_file == 0)
        ACE_ERROR_RETURN ((LM_ERROR,
        "Cannot open output file %s for "
        "writing IOR: %C",
        ior_output_file,
        ior.in ()),
        1);
      ACE_OS::fprintf (output_file, "%s", ior.in ());
      ACE_OS::fclose (output_file);
    }

    CosNotifyChannelAdmin::SupplierAdmin_var admin =
      create_supplieradmin (ec.in ());
    ACE_ASSERT(!CORBA::is_nil (admin.in ()));
    create_suppliers (admin.in (), client.root_poa ());

    sig_impl->wait_for_startup();

    ACE_DEBUG((LM_DEBUG, "1 supplier sending %d events...\n", num_events));
    for (int i = 0; i < num_events / BATCH_SIZE; ++i)
    {
      ACE_DEBUG((LM_DEBUG, "+"));
      SendBatch (i);
    }
    ACE_DEBUG((LM_DEBUG, "\nSupplier sent %d events.\n", num_events));

    sig_impl->wait_for_completion();

    ACE_OS::unlink (ior_output_file);

    supplier_1->disconnect();

    ec->destroy();

    return 0;
  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception ("Error: ");
  }

  return 1;
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
    int status = 0;
    ACE_Auto_Ptr< sig_i > sig_impl;
    try
    {
        Supplier_Client client;
        status = client.init (argc, argv);

        if (status == 0)
        {
            CosNotifyChannelAdmin::EventChannel_var ec =
                client.create_event_channel ("MyEventChannel", 0);

            if (use_deadline_ordering)
            {
                CosNotification::QoSProperties qos (1);
                qos.length (1);
                qos[0].name = CORBA::string_dup (CosNotification::OrderPolicy);
                qos[0].value <<= (CORBA::Short)CosNotification::DeadlineOrder;
                ec->set_qos (qos);
            }

            sig_impl.reset( new sig_i( client.orb() ) );
            sig_var sig = sig_impl->_this ();

            // If the ior_output_file exists, output the ior to it
            if (ior_output_file != 0)
            {
                CORBA::String_var ior =
                    client.orb ()->object_to_string (sig.in ());

                FILE *output_file= ACE_OS::fopen (ior_output_file, "w");
                ACE_ASSERT (output_file != 0);
                ACE_OS::fprintf (output_file, "%s", ior.in ());
                ACE_OS::fclose (output_file);
            }

            CosNotifyChannelAdmin::SupplierAdmin_var admin =
                create_supplieradmin (ec.in ());
            ACE_ASSERT(!CORBA::is_nil (admin.in ()));

            create_suppliers (admin.in (), client.root_poa ());

            sig_impl->wait_for_startup();

            ACE_DEBUG((LM_DEBUG, "1 supplier sending %d events...\n", num_events));
            for (int i = 0; i < num_events; ++i)
            {
                ACE_DEBUG((LM_DEBUG, "+"));
                SendEvent (i + 1);
            }
            ACE_DEBUG((LM_DEBUG, "\nSupplier sent %d events.\n", num_events));

            sig_impl->wait_for_completion();

            ACE_OS::unlink (ior_output_file);

            supplier_1->disconnect();

            ec->destroy();
        }
    }
    catch (const CORBA::Exception& e)
    {
        e._tao_print_exception ("Error: ");
        status = 1;
    }

    return status;
}