Examples with EventSubscription org.ow2.proactive_grid_cloud_portal.scheduler.dto.eventing.EventSubscription used on opensource projects

Example 1 with EventSubscription

use of org.ow2.proactive_grid_cloud_portal.scheduler.dto.eventing.EventSubscription in project scheduling by ow2-proactive.

the class SchedulerEventReceiver method openAndReceive.

@SuppressWarnings("rawtypes")
private void openAndReceive(final SchedulerEventListener eventListener, boolean myEventsOnly, SchedulerEvent... events) throws IOException {
    Client client = ClientFactory.getDefault().newClient();
    AsyncHttpClientConfig.Builder builder = new AsyncHttpClientConfig.Builder();
    if (insecure) {
        builder = builder.setAcceptAnyCertificate(true).setHostnameVerifier(SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
    }
    AsyncHttpClientConfig httpClientConfig = builder.build();
    AsyncHttpClient httpClient = new AsyncHttpClient(httpClientConfig);
    socket = client.create(client.newOptionsBuilder().runtime(httpClient).reconnect(false).build());
    EventNotificationHandler notificationHandler = new EventNotificationHandler(eventListener);
    socket.on(Event.MESSAGE, notificationHandler);
    socket.on(Event.CLOSE, new Function() {

        public void on(Object t) {
            SchedulerEventReceiver.logger.info("#### Websocket connection is closed ####");
            if (eventListener instanceof DisconnectionAwareSchedulerEventListener) {
                ((DisconnectionAwareSchedulerEventListener) eventListener).notifyDisconnection();
            }
        }
    });
    // initialize the connection
    RequestBuilder requestBuilder = client.newRequestBuilder();
    requestBuilder.method(Request.METHOD.GET);
    requestBuilder.header(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
    // authentication header
    requestBuilder.header("sessionid", sessionId);
    requestBuilder.uri(eventingUrl(restServerUrl));
    requestBuilder.encoder(new EventSubscriptionEncoder());
    requestBuilder.decoder(new EventNotificationDecoder());
    requestBuilder.transport(Request.TRANSPORT.WEBSOCKET);
    socket.open(requestBuilder.build());
    // submit subscription request
    EventSubscription eventSubscription = new EventSubscription(myEventsOnly, asStringArray(events));
    socket.fire(EventCodecUtil.toJsonString(eventSubscription));
}

Example 2 with EventSubscription

use of org.ow2.proactive_grid_cloud_portal.scheduler.dto.eventing.EventSubscription in project scheduling by ow2-proactive.

the class SchedulerStateRest method publish.

/**
 * Accepts an {@link EventSubscription} instance which specifies the types
 * of SchedulerEvents which interest the client. When such Scheduler event
 * occurs, it will be communicated to the client in the form of
 * {@link EventNotification} utilizing the WebSocket channel initialized
 * previously.
 */
@POST
@Path("/events")
@Produces("application/json")
public EventNotification publish(@Context HttpServletRequest req, EventSubscription subscription) throws NotConnectedRestException, PermissionRestException {
    HttpSession session = req.getSession();
    String broadcasterId = (String) session.getAttribute(ATM_BROADCASTER_ID);
    final SchedulerProxyUserInterface scheduler = checkAccess(broadcasterId);
    SchedulerEventBroadcaster eventListener = new SchedulerEventBroadcaster(broadcasterId);
    try {
        final SchedulerEventBroadcaster activedEventListener = PAActiveObject.turnActive(eventListener);
        scheduler.addEventListener(activedEventListener, subscription.isMyEventsOnly(), EventUtil.toSchedulerEvents(subscription.getEvents()));
        AtmosphereResource atmResource = getAtmosphereResourceFactory().find((String) session.getAttribute(ATM_RESOURCE_ID));
        atmResource.addEventListener(new WebSocketEventListenerAdapter() {

            @Override
            public void onDisconnect(@SuppressWarnings("rawtypes") WebSocketEvent event) {
                try {
                    logger.info("#### websocket disconnected remove listener ####");
                    scheduler.removeEventListener();
                } catch (Exception e) {
                    logger.error(e);
                }
                PAActiveObject.terminateActiveObject(activedEventListener, true);
            }
        });
    } catch (NotConnectedException e) {
        throw new NotConnectedRestException(e);
    } catch (PermissionException e) {
        throw new PermissionRestException(e);
    } catch (ActiveObjectCreationException | NodeException e) {
        throw new RuntimeException(e);
    }
    return new EventNotification(EventNotification.Action.NONE, null, null);
}