Example usage for javax.websocket WebSocketContainer connectToServer

List of usage examples for javax.websocket WebSocketContainer connectToServer

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Introduction

In this page you can find the example usage for javax.websocket WebSocketContainer connectToServer.

Prototype

Session connectToServer(Class<?> annotatedEndpointClass, URI path) throws DeploymentException, IOException;

Source Link

Usage

From source file:dk.dma.navnet.server.AbstractServerConnectionTest.java

protected TesstEndpoint newClient() throws Exception {
    WebSocketContainer container = ContainerProvider.getWebSocketContainer();
    TesstEndpoint t = new TesstEndpoint();
    container.connectToServer(t, new URI("ws://localhost:" + clientPort));
    allClient.add(t);// w  w w  .  jav  a2  s . c om
    return t;
}

From source file:eu.agilejava.snoop.scan.SnoopClient.java

/**
 * Sends message to the WebSocket server.
 *
 * @param endpoint The server endpoint//from   w ww .j  ava 2s. co m
 * @param msg The message
 * @return a return message
 */
private String sendMessage(String endpoint, String msg) {

    LOGGER.config(() -> "Sending message: " + msg);

    String returnValue = "-1";
    try {
        WebSocketContainer container = ContainerProvider.getWebSocketContainer();
        String uri = serviceUrl + endpoint;
        Session session = container.connectToServer(this, URI.create(uri));
        session.getBasicRemote().sendText(msg != null ? msg : "");
        returnValue = session.getId();

    } catch (DeploymentException | IOException ex) {
        LOGGER.warning(ex.getMessage());
    }

    return returnValue;
}

From source file:org.sample.client.TestRemoteClient.java

/**
 * Processes requests for both HTTP//from   w  ww .  java2s.c om
 * <code>GET</code> and
 * <code>POST</code> methods.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    try {
        out.println("<!DOCTYPE html>");
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet TestRemoteClient</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Servlet TestRemoteClient at " + request.getContextPath() + "</h1>");

        WebSocketContainer container = ContainerProvider.getWebSocketContainer();
        String uri = "ws://echo.websocket.org:80/";
        out.println("Connecting to " + uri);
        container.connectToServer(MyClient.class, URI.create(uri));
        out.println("<br><br>Look in server.log for log messages from message exchange between client/server.");

        out.println("</body>");
        out.println("</html>");
    } catch (DeploymentException ex) {
        Logger.getLogger(TestRemoteClient.class.getName()).log(Level.SEVERE, null, ex);
    } finally {
        out.close();
    }
}

From source file:org.sample.client.TestLocalClient.java

/**
 * Processes requests for both HTTP//from   w ww . j ava  2  s. co m
 * <code>GET</code> and
 * <code>POST</code> methods.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet TestServlet</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Servlet TestServlet at " + request.getContextPath() + "</h1>");

        WebSocketContainer container = ContainerProvider.getWebSocketContainer();
        String uri = "ws://localhost:8080" + request.getContextPath() + "/websocket";
        out.println("Connecting to " + uri);
        container.connectToServer(MyClient.class, URI.create(uri));
        out.println("<br><br>Look in server.log for log messages from message exchange between client/server.");

        out.println("</body>");
        out.println("</html>");
    } catch (DeploymentException ex) {
        Logger.getLogger(TestLocalClient.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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

/**
 * Test websocket proxying through gateway.
 *
 * @throws Exception//from w  ww.j a v a 2 s.  c  o  m
 */

@Test
public void testBadUrl() throws Exception {
    WebSocketContainer container = ContainerProvider.getWebSocketContainer();

    WebsocketClient client = new WebsocketClient();

    container.connectToServer(client, new URI(serverUri.toString() + "gateway/websocket/ws"));

    client.awaitClose(CloseReason.CloseCodes.UNEXPECTED_CONDITION.getCode(), 1000, TimeUnit.MILLISECONDS);

    Assert.assertThat(client.close.getCloseCode().getCode(),
            CoreMatchers.is(CloseReason.CloseCodes.UNEXPECTED_CONDITION.getCode()));

}

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

/**
 * Test direct connection to websocket server without gateway
 * /*from   www  . j ava  2s  .  c  om*/
 * @throws Exception
 */
@Test
public void testDirectEcho() throws Exception {

    WebSocketContainer container = ContainerProvider.getWebSocketContainer();
    WebsocketClient client = new WebsocketClient();

    Session session = container.connectToServer(client, backendServerUri);

    session.getBasicRemote().sendText("Echo");
    client.messageQueue.awaitMessages(1, 1000, TimeUnit.MILLISECONDS);

}

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

/**
 * Test websocket proxying through gateway.
 * //from   w  ww.  j ava2s .  c o m
 * @throws Exception
 */
@Test
public void testGatewayEcho() throws Exception {
    WebSocketContainer container = ContainerProvider.getWebSocketContainer();

    WebsocketClient client = new WebsocketClient();
    Session session = container.connectToServer(client, new URI(serverUri.toString() + "gateway/websocket/ws"));

    session.getBasicRemote().sendText("Echo");
    client.messageQueue.awaitMessages(1, 1000, TimeUnit.MILLISECONDS);

    assertThat(client.messageQueue.get(0), is("Echo"));

}

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

/**
 * Test websocket proxying through gateway.
 * // ww  w  .j ava 2  s  . com
 * @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));
    */
}

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

/**
 * Create {@link AnalyticsClient} instance.
 *//*from  w ww .j  av  a 2s  .c  o  m*/
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);
    }
}

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

public void send(String url, String message) {
    receivedMessage = null;//from  w  w  w  .  j av  a  2s  .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);
    }
}