Examples of org.mortbay.jetty.nio.SelectChannelConnector$RetryContinuation

org.mortbay.jetty.nio.SelectChannelConnector
Selecting NIO connector.
This connector uses efficient NIO buffers with a non blocking threading model. Direct NIO buffers are used and threads are only allocated to connections with requests. Synchronization is used to simulate blocking for the servlet API, and any unflushed content at the end of request handling is written asynchronously.

This connector is best used when there are a many connections that have idle periods.

When used with {@link org.mortbay.util.ajax.Continuation}, threadless waits are supported. When a filter or servlet calls getEvent on a Continuation, a {@link org.mortbay.jetty.RetryRequest}runtime exception is thrown to allow the thread to exit the current request handling. Jetty will catch this exception and will not send a response to the client. Instead the thread is released and the Continuation is placed on the timer queue. If the Continuation timeout expires, or it's resume method is called, then the request is again allocated a thread and the request is retried. The limitation of this approach is that request content is not available on the retried request, thus if possible it should be read after the continuation or saved as a request attribute or as the associated object of the Continuation instance.
@org.apache.xbean.XBean element="nioConnector" description="Creates an NIO based socket connector" @author gregw

    // Allow the ability to add additional servlets to the server
    if (jaxRsAddlPackages != null)
      jaxRsPackages.append(';').append(jaxRsAddlPackages);


    // Set up jetty connector
    SelectChannelConnector jettyConnector = new SelectChannelConnector();
    jettyConnector.setLowResourcesConnections(HTTP_SERVER_THREADS - 10);
    jettyConnector.setLowResourceMaxIdleTime(1500);
    jettyConnector.setPort(portNum);


    // Set up jetty server, using connector
    jettyServer = new Server(portNum);
    jettyServer.setConnectors(new org.mortbay.jetty.Connector[] { jettyConnector });
    BoundedThreadPool pool = new BoundedThreadPool();

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          System.out.println("Invoke collector with command line arg 'help' for usage");
        }
      }


      // Set up jetty connector
      SelectChannelConnector jettyConnector = new SelectChannelConnector();
      jettyConnector.setLowResourcesConnections(THREADS - 10);
      jettyConnector.setLowResourceMaxIdleTime(1500);
      jettyConnector.setPort(portNum);
      
      // Set up jetty server proper, using connector
      jettyServer = new Server(portNum);
      jettyServer.setConnectors(new Connector[] { jettyConnector });
      org.mortbay.thread.BoundedThreadPool pool = new org.mortbay.thread.BoundedThreadPool();

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      conf.set("writer.hdfs.filesystem",fileSys.getUri().toString());
      conf.set("chukwaCollector.outputDir",dataSink);
      conf.set("chukwaCollector.rotateInterval", "10000");
      
      // Set up jetty connector
      SelectChannelConnector jettyConnector = new SelectChannelConnector();
      jettyConnector.setLowResourcesConnections(THREADS-1);
      jettyConnector.setLowResourceMaxIdleTime(1500);
      jettyConnector.setPort(collectorPort);
      
      // Set up jetty server proper, using connector
      jettyCollector = new Server(collectorPort);
      Context root = new Context(jettyCollector, "/", Context.SESSIONS);
      root.addServlet(new ServletHolder(new ServletCollector(conf)), "/*");

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            if (connectorRef == null) {
                Connector connector;
                if ("https".equals(endpoint.getProtocol())) {
                    connector = getSslSocketConnector();
                } else {
                    connector = new SelectChannelConnector();
                }
                connector.setPort(endpoint.getPort());
                getServer().addConnector(connector);
                // check the session support
                if (endpoint.isSessionSupport()) {

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      this("localhost", port, cacheManager, configuration);
   }


   private void init(RestServerConfiguration configuration) {
      org.mortbay.jetty.Server server = new org.mortbay.jetty.Server();
      Connector connector = new SelectChannelConnector();
      connector.setHost(host);
      connector.setPort(port);
      server.addConnector(connector);
      context = new Context(server, "/", Context.SESSIONS);
      context.setInitParams(Collections.singletonMap("resteasy.resources", "org.infinispan.rest.Server"));
      context.addEventListener(new ResteasyBootstrap());
      context.addServlet(HttpServletDispatcher.class, "/rest/*");

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            if (connectorRef == null) {
                Connector connector;
                if ("https".equals(endpoint.getProtocol())) {
                    connector = getSslSocketConnector();
                } else {
                    connector = new SelectChannelConnector();
                }
                connector.setPort(endpoint.getPort());
                connector.setHost(endpoint.getHttpUri().getHost());
                if ("localhost".equalsIgnoreCase(endpoint.getHttpUri().getHost())) {
                    LOG.warn("You use localhost interface! It means that no external connections will be available. Don't you want to use 0.0.0.0 instead (all network interfaces)?");

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        System.out.println("Starting Web Server on port: " + port);
        run(port);
    }


    public static void run(int port) throws Exception {
        SelectChannelConnector connector = new SelectChannelConnector();
        connector.setPort(port);
        connector.setServer(server);
        WebAppContext context = new WebAppContext();


        context.setResourceBase(WEBAPP_DIR);
        context.setContextPath(WEBAPP_CTX);
        context.setServer(server);

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      throw new RuntimeException("Unable to bind on specified streaming port in secure " +
          "context. Needed " + streamingAddr.getPort() + ", got " + ss.getLocalPort());
    }


    // Obtain secure listener for web server
    SelectChannelConnector listener = 
                   (SelectChannelConnector)HttpServer.createDefaultChannelConnector();
    InetSocketAddress infoSocAddr = DataNode.getInfoAddr(conf);
    listener.setHost(infoSocAddr.getHostName());
    listener.setPort(infoSocAddr.getPort());
    // Open listener here in order to bind to port as root
    listener.open(); 
    if (listener.getPort() != infoSocAddr.getPort()) {
      throw new RuntimeException("Unable to bind on specified info port in secure " +
          "context. Needed " + streamingAddr.getPort() + ", got " + ss.getLocalPort());
    }
    System.err.println("Successfully obtained privileged resources (streaming port = "
        + ss + " ) (http listener port = " + listener.getConnection() +")");
    
    if ((ss.getLocalPort() >= 1023 || listener.getPort() >= 1023) &&
        UserGroupInformation.isSecurityEnabled()) {
      throw new RuntimeException("Cannot start secure datanode with unprivileged ports");
    }
    System.err.println("Opened streaming server at " + streamingAddr);
    System.err.println("Opened info server at " + infoSocAddr);

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        ContextHandlerCollection contexts = new ContextHandlerCollection();
        HandlerCollection handlers = new HandlerCollection();
        handlers.setHandlers(new Handler[] {contexts});
        contexts.addHandler(context);


        SelectChannelConnector connector = new SelectChannelConnector();
        connector.setHost("localhost");
        connector.setPort(8190);


        server = new Server();
        server.setConnectors(new Connector[] {connector});
        server.setHandler(handlers);
        server.start();

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            // Create and start a new server
            try {
                Server server = new Server();
                server.setThreadPool(new WorkSchedulerThreadPool());
                if ("https".equals(scheme)) {
                    Connector httpConnector = new SelectChannelConnector();
                    httpConnector.setPort(portNumber);
                    SslSocketConnector sslConnector = new SslSocketConnector();
                    sslConnector.setPort(portNumber);
                    sslConnector.setKeystore(keystore);
                    sslConnector.setPassword(certPassword);
                    sslConnector.setKeyPassword(keyPassword);
                    server.setConnectors(new Connector[] {httpConnector, sslConnector});
                } else {
                    SelectChannelConnector selectConnector = new SelectChannelConnector();
                    selectConnector.setPort(portNumber);
                    server.setConnectors(new Connector[] {selectConnector});
                }
    
                ContextHandler contextHandler = new ContextHandler();
                //contextHandler.setContextPath(contextPath);

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