Examples with NotificationService org.opendaylight.controller.sal.binding.api.NotificationService used on opensource projects

Example 1 with NotificationService

use of org.opendaylight.controller.sal.binding.api.NotificationService in project controller by opendaylight.

the class NotificationIT method notificationTest.

/**
 * test of delivering of notification
 * @throws Exception
 */
@Test
public void notificationTest() throws Exception {
    LOG.info("The registration of the Provider 1.");
    AbstractTestProvider provider1 = new AbstractTestProvider() {

        @Override
        public void onSessionInitiated(ProviderContext session) {
            notifyProviderService = session.getSALService(NotificationProviderService.class);
        }
    };
    // registerProvider method calls onSessionInitiated method above
    broker.registerProvider(provider1);
    assertNotNull(notifyProviderService);
    LOG.info("The registration of the Consumer 1. It retrieves Notification Service " + "from MD-SAL and registers OpendaylightTestNotificationListener as notification listener");
    BindingAwareConsumer consumer1 = session -> {
        NotificationService notificationService = session.getSALService(NotificationService.class);
        assertNotNull(notificationService);
        listener1Reg = notificationService.registerNotificationListener(listener1);
    };
    // registerConsumer method calls onSessionInitialized method above
    broker.registerConsumer(consumer1);
    assertNotNull(listener1Reg);
    LOG.info("The notification of type FlowAdded with cookie ID 0 is created. The " + "delay 100ms to make sure that the notification was delivered to " + "listener.");
    notifyProviderService.publish(noDustNotification("rainy day", 42));
    Thread.sleep(100);
    /**
     * Check that one notification was delivered and has correct cookie.
     */
    assertEquals(1, listener1.notificationBag.size());
    assertEquals("rainy day", listener1.notificationBag.get(0).getReason());
    assertEquals(42, listener1.notificationBag.get(0).getDaysTillNewDust().intValue());
    LOG.info("The registration of the Consumer 2. SalFlowListener is registered " + "registered as notification listener.");
    BindingAwareProvider provider = session -> listener2Reg = session.getSALService(NotificationProviderService.class).registerNotificationListener(listener2);
    // registerConsumer method calls onSessionInitialized method above
    broker.registerProvider(provider);
    LOG.info("3 notifications are published");
    notifyProviderService.publish(noDustNotification("rainy day", 5));
    notifyProviderService.publish(noDustNotification("rainy day", 10));
    notifyProviderService.publish(noDustNotification("tax collector", 2));
    /**
     * The delay 100ms to make sure that the notifications were delivered to
     * listeners.
     */
    Thread.sleep(100);
    /**
     * Check that 3 notification was delivered to both listeners (first one
     * received 4 in total, second 3 in total).
     */
    assertEquals(4, listener1.notificationBag.size());
    assertEquals(3, listener2.notificationBag.size());
    /**
     * The second listener is closed (unregistered)
     */
    listener2Reg.close();
    LOG.info("The notification 5 is published");
    notifyProviderService.publish(noDustNotification("entomologist hunt", 10));
    /**
     * The delay 100ms to make sure that the notification was delivered to
     * listener.
     */
    Thread.sleep(100);
    /**
     * Check that first consumer received 5 notifications in total, second
     * consumer received only three. Last notification was never received by
     * second consumer because its listener was unregistered.
     */
    assertEquals(5, listener1.notificationBag.size());
    assertEquals(3, listener2.notificationBag.size());
}

Example 2 with NotificationService

use of org.opendaylight.controller.sal.binding.api.NotificationService in project openflowplugin by opendaylight.

the class Activator method onSessionInitialized.

/**
 * Invoked when consumer is registered to the MD-SAL.
 */
@Override
public void onSessionInitialized(ConsumerContext session) {
    LOG.info("inSessionInitialized() passing");
    /**
     * We create instance of our LearningSwitchManager
     * and set all required dependencies,
     *
     * which are
     *   Data Broker (data storage service) - for configuring flows and reading stored switch state
     *   PacketProcessingService - for sending out packets
     *   NotificationService - for receiving notifications such as packet in.
     */
    learningSwitch = new LearningSwitchManagerMultiImpl();
    learningSwitch.setDataBroker(session.getSALService(DataBroker.class));
    learningSwitch.setPacketProcessingService(session.getRpcService(PacketProcessingService.class));
    learningSwitch.setNotificationService(session.getSALService(NotificationService.class));
    learningSwitch.start();
}