Example usage for javax.websocket ContainerProvider getWebSocketContainer

Introduction

In this page you can find the example usage for javax.websocket ContainerProvider getWebSocketContainer.

Prototype

public static WebSocketContainer getWebSocketContainer() 

Source Link

Document

Create a new container used to create outgoing WebSocket connections.

Usage

From source file:org.apache.hadoop.gateway.websockets.WebsocketMultipleConnectionTest.java

/**
 * Test websocket proxying through gateway.
 * /*from  ww  w  .  j a  v  a2  s . c  o  m*/
 * @throws Exception
 */
@Test
public void testMultipleConnections() throws Exception {
    WebSocketContainer container = ContainerProvider.getWebSocketContainer();

    final CountDownLatch latch = new CountDownLatch(MAX_CONNECTIONS);

    Session[] sessions = new Session[MAX_CONNECTIONS];

    MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();

    System.gc();
    final long heapt1 = memoryMXBean.getHeapMemoryUsage().getUsed();
    final long nonHeapt1 = memoryMXBean.getNonHeapMemoryUsage().getUsed();

    for (int i = 0; i < MAX_CONNECTIONS; i++) {

        sessions[i] = container.connectToServer(new WebsocketClient() {

            @Override
            public void onMessage(String message) {
                latch.countDown();

            }

        }, new URI(serverUri.toString() + "gateway/websocket/ws"));

    }

    for (int i = 0; i < MAX_CONNECTIONS; i++) {
        /* make sure the session is active and valid before trying to connect */
        if (sessions[i].isOpen() && sessions[i].getBasicRemote() != null) {
            sessions[i].getBasicRemote().sendText("OK");
        }
    }

    latch.await(5 * MAX_CONNECTIONS, TimeUnit.MILLISECONDS);

    System.gc();

    final long heapUsed = memoryMXBean.getHeapMemoryUsage().getUsed() - heapt1;
    final long nonHeapUsed = memoryMXBean.getNonHeapMemoryUsage().getUsed() - nonHeapt1;

    System.out.println("heapUsed = " + heapUsed);
    System.out.println("nonHeapUsed = " + nonHeapUsed);

    /* 90 KB per connection */
    /*
    long expected = 90 * 1024 * MAX_CONNECTIONS;
    assertThat("heap used", heapUsed, lessThan(expected));
    */
}

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From source file:org.kurento.test.services.KmsService.java

private void waitForKms() {
    long initTime = System.nanoTime();

    @ClientEndpoint/*from   w  ww.  j  a v a2s  .c om*/
    class WebSocketClient extends Endpoint {

        @OnClose
        @Override
        public void onClose(Session session, CloseReason closeReason) {
        }

        @OnOpen
        @Override
        public void onOpen(Session session, EndpointConfig config) {
        }
    }

    if (wsUri != null) {
        WebSocketContainer container = ContainerProvider.getWebSocketContainer();

        final int retries = 600;
        final int waitTime = 100;

        for (int i = 0; i < retries; i++) {
            try {
                log.debug("({}) Wait for KMS: {}. Container: {}", i, wsUri, container);
                Session wsSession = container.connectToServer(new WebSocketClient(),
                        ClientEndpointConfig.Builder.create().build(), new URI(wsUri));
                wsSession.close();

                double time = (System.nanoTime() - initTime) / (double) 1000000;

                log.debug("Connected to KMS in " + String.format("%3.2f", time) + " milliseconds");
                return;
            } catch (DeploymentException | IOException | URISyntaxException e) {
                try {
                    log.warn("Exception while waiting for KMS: {}. {}", wsUri, e.getMessage());
                    Thread.sleep(waitTime);
                } catch (InterruptedException e1) {
                    e1.printStackTrace();
                }
            }
        }

        throw new KurentoException("Timeout of " + retries * waitTime + " millis waiting for KMS " + wsUri);

    } else {
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            log.error("InterruptedException {}", e.getMessage());
        }
    }
}

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From source file:org.springframework.web.reactive.socket.client.StandardWebSocketClient.java

/**
 * Default constructor that calls/*from w ww.j ava  2 s  .co  m*/
 * {@code ContainerProvider.getWebSocketContainer()} to obtain a (new)
 * {@link WebSocketContainer} instance.
 */
public StandardWebSocketClient() {
    this(ContainerProvider.getWebSocketContainer());
}

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From source file:org.springframework.web.socket.client.endpoint.StandardWebSocketClient.java

public StandardWebSocketClient() {
    this.webSocketContainer = ContainerProvider.getWebSocketContainer();
}

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From source file:org.wso2.carbon.device.mgt.analytics.wsproxy.outbound.AnalyticsClient.java

/**
 * Create {@link AnalyticsClient} instance.
 *//* w w w  .j  a  va  2  s  .c om*/
public AnalyticsClient(Session clientSession, URI endpointURI) throws WSProxyException {
    WebSocketContainer container = ContainerProvider.getWebSocketContainer();
    this.clientSession = clientSession;

    try {
        this.analyticsSession = container.connectToServer(this, endpointURI);
    } catch (DeploymentException | IOException e) {
        String msg = "Error occurred while connecting to remote endpoint " + endpointURI.toString();
        log.error(msg, e);
        throw new WSProxyException(msg, e);
    }
}

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From source file:org.wso2.carbon.integration.test.client.WebSocketClient.java

public void send(String url, String message) {
    receivedMessage = null;// ww w  .j av a2  s.  c  o  m
    URI uri = URI.create(url);

    try {
        WebSocketContainer container = ContainerProvider.getWebSocketContainer();
        try {
            // Attempt Connect
            Session session = container.connectToServer(EventSocketClient.class, uri);
            // Send a message
            session.getBasicRemote().sendText(message);
            // Close session
            session.close();
        } finally {
            // Force lifecycle stop when done with container.
            // This is to free up threads and resources that the
            // JSR-356 container allocates. But unfortunately
            // the JSR-356 spec does not handle lifecycles (yet)
            if (container instanceof LifeCycle) {
                ((LifeCycle) container).stop();
            }
        }
    } catch (Throwable t) {
        log.error(t);
    }
}

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From source file:org.wso2.carbon.integration.test.client.WebSocketClient.java

public void receive(String url, int retryCount) {

    receivedMessage = null;//from  w ww  . j  av a  2 s . c o  m
    final URI uri = URI.create(url);
    final int tryCount = retryCount;

    new Thread(new Runnable() {
        @Override

        public void run() {
            try {

                WebSocketContainer container = ContainerProvider.getWebSocketContainer();
                try {
                    // Attempt Connect
                    Session session = container.connectToServer(EventSocketClient.class, uri);

                    int count = 0;
                    while (count < tryCount && receivedMessage == null) {
                        log.info("Waiting for the sever to send message");
                        Thread.sleep(1000);
                    }

                    session.close();
                } finally {
                    // Force lifecycle stop when done with container.
                    // This is to free up threads and resources that the
                    // JSR-356 container allocates. But unfortunately
                    // the JSR-356 spec does not handle lifecycles (yet)
                    if (container instanceof LifeCycle) {
                        ((LifeCycle) container).stop();
                    }
                }
            } catch (Throwable t) {
                log.error(t);
            }
        }
    }).start();

}

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From source file:org.wso2.carbon.sample.websocket.WebSocketClient.java

public void connect(String url) {
    URI uri = URI.create(url);

    try {/* w  w  w . ja  va  2s.c  o m*/
        container = ContainerProvider.getWebSocketContainer();
        // Attempt Connect
        session = container.connectToServer(EventSocketClient.class, uri);

        if (session == null) {
            throw new RuntimeException("Cannot connect to url :" + url);
        }
    } catch (Throwable t) {
        log.error(t);
        if (container != null) {
            if (container instanceof LifeCycle) {
                try {
                    ((LifeCycle) container).stop();
                } catch (Exception e) {
                    log.error(e);
                }
            }
        }
    }
}

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From source file:wsclient.WebsocketClientEndpoint.java

public void go() {

    try {/*from www  .ja v  a2  s  .  co m*/
        WebSocketContainer container = ContainerProvider.getWebSocketContainer();
        container.connectToServer(this, new URI("ws://46.254.19.232:8080"));
    } catch (Exception e) {
        System.out.println("OPA");
        throw new RuntimeException(e);
    }

}

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