Example usage for java.nio.channels ServerSocketChannel bind

List of usage examples for java.nio.channels ServerSocketChannel bind

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  6. bind

Introduction

In this page you can find the example usage for java.nio.channels ServerSocketChannel bind.

Prototype

public final ServerSocketChannel bind(SocketAddress local) throws IOException

Source Link

Document

Binds the channel's socket to a local address and configures the socket to listen for connections.

Usage

From source file:com.web.server.WebServer.java

/**
 * This is the start of the all the services in web server
 * @param args/*from   w  ww  .ja v a2  s . co  m*/
 * @throws IOException 
 * @throws SAXException 
 */
public static void main(String[] args) throws IOException, SAXException {

    Hashtable urlClassLoaderMap = new Hashtable();
    Hashtable executorServicesMap = new Hashtable();
    Hashtable ataMap = new Hashtable<String, ATAConfig>();
    Hashtable messagingClassMap = new Hashtable();
    ConcurrentHashMap servletMapping = new ConcurrentHashMap();
    DigesterLoader serverdigesterLoader = DigesterLoader.newLoader(new FromXmlRulesModule() {

        protected void loadRules() {
            // TODO Auto-generated method stub
            try {
                loadXMLRules(new InputSource(new FileInputStream("./config/serverconfig-rules.xml")));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });
    Digester serverdigester = serverdigesterLoader.newDigester();
    final ServerConfig serverconfig = (ServerConfig) serverdigester
            .parse(new InputSource(new FileInputStream("./config/serverconfig.xml")));
    DigesterLoader messagingdigesterLoader = DigesterLoader.newLoader(new FromXmlRulesModule() {

        protected void loadRules() {
            // TODO Auto-generated method stub
            try {
                loadXMLRules(new InputSource(new FileInputStream("./config/messagingconfig-rules.xml")));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });
    Digester messagingdigester = messagingdigesterLoader.newDigester();
    MessagingElem messagingconfig = (MessagingElem) messagingdigester
            .parse(new InputSource(new FileInputStream("./config/messaging.xml")));
    //System.out.println(messagingconfig);
    ////System.out.println(serverconfig.getDeploydirectory());
    PropertyConfigurator.configure("log4j.properties");
    /*MemcachedClient cache=new MemcachedClient(
        new InetSocketAddress("localhost", 1000));*/

    // Store a value (async) for one hour
    //c.set("someKey", 36, new String("arun"));
    // Retrieve a value.        
    System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.naming.java.javaURLContextFactory");
    System.setProperty(Context.URL_PKG_PREFIXES, "org.apache.naming");
    ExecutorService executor = java.util.concurrent.Executors.newCachedThreadPool();

    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    ObjectName name = null;
    try {
        name = new ObjectName("com.web.server:type=WarDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    WarDeployer warDeployer = new WarDeployer(serverconfig.getDeploydirectory(), serverconfig.getFarmWarDir(),
            serverconfig.getClustergroup(), urlClassLoaderMap, executorServicesMap, messagingClassMap,
            servletMapping, messagingconfig, sessionObjects);
    warDeployer.setPriority(MIN_PRIORITY);
    try {
        mbs.registerMBean(warDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //warDeployer.start();
    executor.execute(warDeployer);

    ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();

    serverSocketChannel.bind(new InetSocketAddress("0.0.0.0", Integer.parseInt(serverconfig.getPort())));

    serverSocketChannel.configureBlocking(false);

    final byte[] shutdownBt = new byte[50];
    WebServerRequestProcessor webserverRequestProcessor = new WebServer().new WebServerRequestProcessor(
            servletMapping, urlClassLoaderMap, serverSocketChannel, serverconfig.getDeploydirectory(),
            Integer.parseInt(serverconfig.getShutdownport()), 1);
    webserverRequestProcessor.setPriority(MIN_PRIORITY);
    try {
        name = new ObjectName("com.web.server:type=WebServerRequestProcessor");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(webserverRequestProcessor, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //webserverRequestProcessor.start();
    executor.execute(webserverRequestProcessor);

    for (int i = 0; i < 10; i++) {
        WebServerRequestProcessor webserverRequestProcessor1 = new WebServer().new WebServerRequestProcessor(
                servletMapping, urlClassLoaderMap, serverSocketChannel, serverconfig.getDeploydirectory(),
                Integer.parseInt(serverconfig.getShutdownport()), 2);
        webserverRequestProcessor1.setPriority(MIN_PRIORITY);
        try {
            name = new ObjectName("com.web.server:type=WebServerRequestProcessor" + (i + 1));
        } catch (MalformedObjectNameException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        try {
            mbs.registerMBean(webserverRequestProcessor1, name);
        } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        executor.execute(webserverRequestProcessor1);
    }

    ServerSocketChannel serverSocketChannelServices = ServerSocketChannel.open();

    serverSocketChannelServices
            .bind(new InetSocketAddress("0.0.0.0", Integer.parseInt(serverconfig.getServicesport())));

    serverSocketChannelServices.configureBlocking(false);

    ExecutorServiceThread executorService = new ExecutorServiceThread(serverSocketChannelServices,
            executorServicesMap, Integer.parseInt(serverconfig.getShutdownport()), ataMap, urlClassLoaderMap,
            serverconfig.getDeploydirectory(), serverconfig.getServicesdirectory(),
            serverconfig.getEarservicesdirectory(), serverconfig.getNodesport());

    try {
        name = new ObjectName("com.web.services:type=ExecutorServiceThread");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(executorService, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //executorService.start();
    executor.execute(executorService);

    for (int i = 0; i < 10; i++) {
        ExecutorServiceThread executorService1 = new ExecutorServiceThread(serverSocketChannelServices,
                executorServicesMap, Integer.parseInt(serverconfig.getShutdownport()), ataMap,
                urlClassLoaderMap, serverconfig.getDeploydirectory(), serverconfig.getServicesdirectory(),
                serverconfig.getEarservicesdirectory(), serverconfig.getNodesport());

        try {
            name = new ObjectName("com.web.services:type=ExecutorServiceThread" + (i + 1));
        } catch (MalformedObjectNameException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        try {
            mbs.registerMBean(executorService1, name);
        } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        executor.execute(executorService1);
    }

    WebServerHttpsRequestProcessor webserverHttpsRequestProcessor = new WebServer().new WebServerHttpsRequestProcessor(
            servletMapping, urlClassLoaderMap, Integer.parseInt(serverconfig.getHttpsport()),
            serverconfig.getDeploydirectory(), Integer.parseInt(serverconfig.getShutdownport()),
            serverconfig.getHttpscertificatepath(), serverconfig.getHttpscertificatepasscode(), 1);
    try {
        name = new ObjectName("com.web.server:type=WebServerHttpsRequestProcessor");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(webserverHttpsRequestProcessor, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    webserverHttpsRequestProcessor.setPriority(MAX_PRIORITY);
    //webserverRequestProcessor.start();
    executor.execute(webserverHttpsRequestProcessor);

    /* for(int i=0;i<2;i++){
        webserverHttpsRequestProcessor=new WebServer().new WebServerHttpsRequestProcessor(urlClassLoaderMap,Integer.parseInt(serverconfig.getHttpsport())+(i+1),serverconfig.getDeploydirectory(),Integer.parseInt(serverconfig.getShutdownport()),serverconfig.getHttpscertificatepath(),serverconfig.getHttpscertificatepasscode(),1);
              
      try {
    name = new ObjectName("com.web.server:type=WebServerHttpsRequestProcessor"+(i+1));
      } catch (MalformedObjectNameException e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
      } 
              
      try {
    mbs.registerMBean(webserverHttpsRequestProcessor, name);
      } catch (InstanceAlreadyExistsException | MBeanRegistrationException
       | NotCompliantMBeanException e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
      }
              
      executor.execute(webserverHttpsRequestProcessor);
    }*/

    /*ATAServer ataServer=new ATAServer(serverconfig.getAtaaddress(),serverconfig.getAtaport(),ataMap);
            
    try {
       name = new ObjectName("com.web.services:type=ATAServer");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(ataServer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
            
            
    ataServer.start();*/

    /*ATAConfigClient ataClient=new ATAConfigClient(serverconfig.getAtaaddress(),serverconfig.getAtaport(),serverconfig.getServicesport(),executorServicesMap);
            
    try {
       name = new ObjectName("com.web.services:type=ATAConfigClient");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(ataClient, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
    ataClient.start();*/

    MessagingServer messageServer = new MessagingServer(serverconfig.getMessageport(), messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=MessagingServer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(messageServer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    //messageServer.start();
    executor.execute(messageServer);

    RandomQueueMessagePicker randomqueuemessagepicker = new RandomQueueMessagePicker(messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=RandomQueueMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(randomqueuemessagepicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //randomqueuemessagepicker.start();
    executor.execute(randomqueuemessagepicker);

    RoundRobinQueueMessagePicker roundrobinqueuemessagepicker = new RoundRobinQueueMessagePicker(
            messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=RoundRobinQueueMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(roundrobinqueuemessagepicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //roundrobinqueuemessagepicker.start();
    executor.execute(roundrobinqueuemessagepicker);

    TopicMessagePicker topicpicker = new TopicMessagePicker(messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=TopicMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(topicpicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    //topicpicker.start();
    executor.execute(topicpicker);

    try {
        name = new ObjectName("com.web.server:type=SARDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    SARDeployer sarDeployer = SARDeployer.newInstance(serverconfig.getDeploydirectory());
    try {
        mbs.registerMBean(sarDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    executor.execute(sarDeployer);
    /*try {
       mbs.invoke(name, "startDeployer", null, null);
    } catch (InstanceNotFoundException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } catch (ReflectionException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } catch (MBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
    */
    System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.rmi.registry.RegistryContextFactory");
    System.setProperty(Context.PROVIDER_URL, "rmi://localhost:" + serverconfig.getServicesregistryport());
    ;
    Registry registry = LocateRegistry.createRegistry(Integer.parseInt(serverconfig.getServicesregistryport()));

    /*JarDeployer jarDeployer=new JarDeployer(registry,serverconfig.getServicesdirectory(), serverconfig.getServiceslibdirectory(),serverconfig.getCachedir(),executorServicesMap, urlClassLoaderMap);
    try {
       name = new ObjectName("com.web.server:type=JarDeployer");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(jarDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
            
    //jarDeployer.start();
    executor.execute(jarDeployer);*/

    EARDeployer earDeployer = new EARDeployer(registry, serverconfig.getEarservicesdirectory(),
            serverconfig.getDeploydirectory(), executorServicesMap, urlClassLoaderMap,
            serverconfig.getCachedir(), warDeployer);
    try {
        name = new ObjectName("com.web.server:type=EARDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(earDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //earDeployer.start();
    executor.execute(earDeployer);

    JVMConsole jvmConsole = new JVMConsole(Integer.parseInt(serverconfig.getJvmConsolePort()));

    try {
        name = new ObjectName("com.web.server:type=JVMConsole");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(jvmConsole, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    executor.execute(jvmConsole);

    ScheduledExecutorService exec = Executors.newSingleThreadScheduledExecutor();
    XMLDeploymentScanner xmlDeploymentScanner = new XMLDeploymentScanner(serverconfig.getDeploydirectory(),
            serverconfig.getServiceslibdirectory());
    exec.scheduleAtFixedRate(xmlDeploymentScanner, 0, 1000, TimeUnit.MILLISECONDS);

    EmbeddedJMS embeddedJMS = null;
    try {
        embeddedJMS = new EmbeddedJMS();
        embeddedJMS.start();
    } catch (Exception ex) {
        // TODO Auto-generated catch block
        ex.printStackTrace();
    }

    EJBDeployer ejbDeployer = new EJBDeployer(serverconfig.getServicesdirectory(), registry,
            Integer.parseInt(serverconfig.getServicesregistryport()), embeddedJMS);
    try {
        name = new ObjectName("com.web.server:type=EJBDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(ejbDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //jarDeployer.start();
    executor.execute(ejbDeployer);

    new Thread() {
        public void run() {
            try {
                ServerSocket serverSocket = new ServerSocket(Integer.parseInt(serverconfig.getShutdownport()));
                while (true) {
                    Socket sock = serverSocket.accept();
                    InputStream istream = sock.getInputStream();
                    istream.read(shutdownBt);
                    String shutdownStr = new String(shutdownBt);
                    String[] shutdownToken = shutdownStr.split("\r\n\r\n");
                    //System.out.println(shutdownStr);
                    if (shutdownToken[0].startsWith("shutdown WebServer")) {
                        synchronized (shutDownObject) {
                            shutDownObject.notifyAll();
                        }
                    }
                }
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }.start();

    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        public void run() {
            System.out.println("IN shutdown Hook");
            synchronized (shutDownObject) {
                shutDownObject.notifyAll();
            }
        }
    }));
    try {
        synchronized (shutDownObject) {
            shutDownObject.wait();
        }
        executor.shutdownNow();
        serverSocketChannel.close();
        serverSocketChannelServices.close();
        embeddedJMS.stop();

    } catch (Exception e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    System.out.println("IN shutdown Hook1");
    /*try{
       Thread.sleep(10000);
    }
    catch(Exception ex){
               
    }*/

    //webserverRequestProcessor.stop();
    //webserverRequestProcessor1.stop();

    /*warDeployer.stop();
    executorService.stop();
    //ataServer.stop();
    //ataClient.stop();
    messageServer.stop();
    randomqueuemessagepicker.stop();
    roundrobinqueuemessagepicker.stop();
    topicpicker.stop();*/
    /*try {
       mbs.invoke(new ObjectName("com.web.server:type=SARDeployer"), "destroyDeployer", null, null);
    } catch (InstanceNotFoundException | MalformedObjectNameException
    | ReflectionException | MBeanException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
    }*/
    //earDeployer.stop();
    System.exit(0);
}

From source file:org.apache.nifi.io.nio.ChannelListener.java

/**
 * Adds a server socket channel for listening to connections.
 *
 * @param nicIPAddress - if null binds to wildcard address
 * @param port - port to bind to/*from  w  ww.  ja v a2s.  c  o  m*/
 * @param receiveBufferSize - size of OS receive buffer to request. If less
 * than 0 then will not be set and OS default will win.
 * @throws IOException if unable to add socket
 */
public void addServerSocket(final InetAddress nicIPAddress, final int port, final int receiveBufferSize)
        throws IOException {
    final ServerSocketChannel ssChannel = ServerSocketChannel.open();
    ssChannel.configureBlocking(false);
    if (receiveBufferSize > 0) {
        ssChannel.setOption(StandardSocketOptions.SO_RCVBUF, receiveBufferSize);
        final int actualReceiveBufSize = ssChannel.getOption(StandardSocketOptions.SO_RCVBUF);
        if (actualReceiveBufSize < receiveBufferSize) {
            LOGGER.warn(this + " attempted to set TCP Receive Buffer Size to " + receiveBufferSize
                    + " bytes but could only set to " + actualReceiveBufSize
                    + "bytes. You may want to consider changing the Operating System's "
                    + "maximum receive buffer");
        }
    }
    ssChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
    ssChannel.bind(new InetSocketAddress(nicIPAddress, port));
    ssChannel.register(serverSocketSelector, SelectionKey.OP_ACCEPT);
}

From source file:org.apache.nifi.processors.standard.ListenTCPRecord.java

@OnScheduled
public void onScheduled(final ProcessContext context) throws IOException {
    this.port = context.getProperty(PORT).evaluateAttributeExpressions().asInteger();

    final int readTimeout = context.getProperty(READ_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue();
    final int maxSocketBufferSize = context.getProperty(MAX_SOCKET_BUFFER_SIZE).asDataSize(DataUnit.B)
            .intValue();//from w  w  w.j a v  a2  s  .c  om
    final int maxConnections = context.getProperty(MAX_CONNECTIONS).asInteger();
    final RecordReaderFactory recordReaderFactory = context.getProperty(RECORD_READER)
            .asControllerService(RecordReaderFactory.class);

    // if the Network Interface Property wasn't provided then a null InetAddress will indicate to bind to all interfaces
    final InetAddress nicAddress;
    final String nicAddressStr = context.getProperty(NETWORK_INTF_NAME).evaluateAttributeExpressions()
            .getValue();
    if (!StringUtils.isEmpty(nicAddressStr)) {
        NetworkInterface netIF = NetworkInterface.getByName(nicAddressStr);
        nicAddress = netIF.getInetAddresses().nextElement();
    } else {
        nicAddress = null;
    }

    SSLContext sslContext = null;
    SslContextFactory.ClientAuth clientAuth = null;
    final SSLContextService sslContextService = context.getProperty(SSL_CONTEXT_SERVICE)
            .asControllerService(SSLContextService.class);
    if (sslContextService != null) {
        final String clientAuthValue = context.getProperty(CLIENT_AUTH).getValue();
        sslContext = sslContextService.createSSLContext(SSLContextService.ClientAuth.valueOf(clientAuthValue));
        clientAuth = SslContextFactory.ClientAuth.valueOf(clientAuthValue);
    }

    // create a ServerSocketChannel in non-blocking mode and bind to the given address and port
    final ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
    serverSocketChannel.configureBlocking(false);
    serverSocketChannel.bind(new InetSocketAddress(nicAddress, port));

    this.dispatcher = new SocketChannelRecordReaderDispatcher(serverSocketChannel, sslContext, clientAuth,
            readTimeout, maxSocketBufferSize, maxConnections, recordReaderFactory, socketReaders, getLogger());

    // start a thread to run the dispatcher
    final Thread readerThread = new Thread(dispatcher);
    readerThread.setName(getClass().getName() + " [" + getIdentifier() + "]");
    readerThread.setDaemon(true);
    readerThread.start();
}

From source file:org.cryptomator.ui.util.SingleInstanceManager.java

/**
 * Creates a server socket on a free port and saves the port in
 * {@link Preferences#userNodeForPackage(Class)} for {@link Main} under the
 * given applicationKey.//from  w w  w  .  ja v a2s  . c o m
 * 
 * @param applicationKey
 *            key used to save the port and identify upon connection.
 * @param exec
 *            the task which is submitted is interruptable.
 * @return
 * @throws IOException
 */
public static LocalInstance startLocalInstance(String applicationKey, ExecutorService exec) throws IOException {
    final ServerSocketChannel channel = ServerSocketChannel.open();
    channel.configureBlocking(false);
    channel.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));

    final int port = ((InetSocketAddress) channel.getLocalAddress()).getPort();
    Preferences.userNodeForPackage(Main.class).putInt(applicationKey, port);
    LOG.info("InstanceManager bound to port {}", port);

    Selector selector = Selector.open();
    channel.register(selector, SelectionKey.OP_ACCEPT);

    LocalInstance instance = new LocalInstance(applicationKey, channel, selector);

    exec.submit(() -> {
        try {
            instance.port = ((InetSocketAddress) channel.getLocalAddress()).getPort();
        } catch (IOException e) {

        }
        instance.selectionLoop();
    });

    return instance;
}

From source file:org.jenkinsci.remoting.protocol.IOHubTest.java

@Test
public void canAcceptSocketConnections() throws Exception {
    final ServerSocketChannel srv = ServerSocketChannel.open();
    srv.bind(new InetSocketAddress(0));
    srv.configureBlocking(false);/*from  w w w.j a  v a 2 s .c om*/
    final AtomicReference<SelectionKey> key = new AtomicReference<SelectionKey>();
    final AtomicBoolean oops = new AtomicBoolean(false);
    hub.hub().register(srv, new IOHubReadyListener() {

        final AtomicInteger count = new AtomicInteger(0);

        @Override
        public void ready(boolean accept, boolean connect, boolean read, boolean write) {
            if (accept) {
                try {
                    SocketChannel channel = srv.accept();
                    channel.write(ByteBuffer.wrap(String.format("Go away #%d", count.incrementAndGet())
                            .getBytes(Charset.forName("UTF-8"))));
                    channel.close();
                } catch (IOException e) {
                    // ignore
                }
                hub.hub().addInterestAccept(key.get());
            } else {
                oops.set(true);
            }
            if (connect || read || write) {
                oops.set(true);
            }
        }
    }, true, false, false, false, new IOHubRegistrationCallback() {
        @Override
        public void onRegistered(SelectionKey selectionKey) {
            key.set(selectionKey);
        }

        @Override
        public void onClosedChannel(ClosedChannelException e) {

        }
    });
    Socket client = new Socket();
    client.connect(srv.getLocalAddress(), 100);
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #1"));
    client = new Socket();
    client.connect(srv.getLocalAddress(), 100);
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #2"));
    assertThat("Only ever called ready with accept true", oops.get(), is(false));
}

From source file:org.jenkinsci.remoting.protocol.IOHubTest.java

@Test
public void afterReadyInterestIsCleared() throws Exception {
    final ServerSocketChannel srv = ServerSocketChannel.open();
    srv.bind(new InetSocketAddress(0));
    srv.configureBlocking(false);/*from w ww .j  ava 2s  .  c o  m*/
    final AtomicReference<SelectionKey> key = new AtomicReference<SelectionKey>();
    final AtomicBoolean oops = new AtomicBoolean(false);
    hub.hub().register(srv, new IOHubReadyListener() {

        final AtomicInteger count = new AtomicInteger(0);

        @Override
        public void ready(boolean accept, boolean connect, boolean read, boolean write) {
            if (accept) {
                try {
                    SocketChannel channel = srv.accept();
                    channel.write(ByteBuffer.wrap(String.format("Go away #%d", count.incrementAndGet())
                            .getBytes(Charset.forName("UTF-8"))));
                    channel.close();
                } catch (IOException e) {
                    // ignore
                }
            } else {
                oops.set(true);
            }
            if (connect || read || write) {
                oops.set(true);
            }
        }
    }, true, false, false, false, new IOHubRegistrationCallback() {
        @Override
        public void onRegistered(SelectionKey selectionKey) {
            key.set(selectionKey);
        }

        @Override
        public void onClosedChannel(ClosedChannelException e) {

        }
    });
    Socket client = new Socket();
    client.setSoTimeout(100);
    client.connect(srv.getLocalAddress(), 100);
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #1"));
    client = new Socket();
    client.setSoTimeout(100);
    client.connect(srv.getLocalAddress(), 100);
    try {
        assertThat(IOUtils.toString(client.getInputStream()), is("Go away #2"));
        fail("Expected time-out");
    } catch (SocketTimeoutException e) {
        assertThat(e.getMessage(), containsString("timed out"));
    }
    hub.hub().addInterestAccept(key.get());
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #2"));
    assertThat("Only ever called ready with accept true", oops.get(), is(false));
}

From source file:org.jenkinsci.remoting.protocol.IOHubTest.java

@Test
public void noReadyCallbackIfInterestRemoved() throws Exception {
    final ServerSocketChannel srv = ServerSocketChannel.open();
    srv.bind(new InetSocketAddress(0));
    srv.configureBlocking(false);//from  w  w  w  . j  a  v  a2 s.  c  o  m
    final AtomicReference<SelectionKey> key = new AtomicReference<SelectionKey>();
    final AtomicBoolean oops = new AtomicBoolean(false);
    hub.hub().register(srv, new IOHubReadyListener() {

        final AtomicInteger count = new AtomicInteger(0);

        @Override
        public void ready(boolean accept, boolean connect, boolean read, boolean write) {
            if (accept) {
                try {
                    SocketChannel channel = srv.accept();
                    channel.write(ByteBuffer.wrap(String.format("Go away #%d", count.incrementAndGet())
                            .getBytes(Charset.forName("UTF-8"))));
                    channel.close();
                } catch (IOException e) {
                    // ignore
                }
                hub.hub().addInterestAccept(key.get());
            } else {
                oops.set(true);
            }
            if (connect || read || write) {
                oops.set(true);
            }
        }
    }, true, false, false, false, new IOHubRegistrationCallback() {
        @Override
        public void onRegistered(SelectionKey selectionKey) {
            key.set(selectionKey);
        }

        @Override
        public void onClosedChannel(ClosedChannelException e) {

        }
    });

    // Wait for registration, in other case we get unpredictable timing related results due to late registration
    while (key.get() == null) {
        Thread.sleep(10);
    }

    Socket client = new Socket();
    client.setSoTimeout(100);
    client.connect(srv.getLocalAddress(), 100);
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #1"));
    hub.hub().removeInterestAccept(key.get());
    // wait for the interest accept to be removed
    while ((key.get().interestOps() & SelectionKey.OP_ACCEPT) != 0) {
        Thread.sleep(10);
    }
    client = new Socket();
    client.setSoTimeout(100);
    client.connect(srv.getLocalAddress(), 100);
    try {
        assertThat(IOUtils.toString(client.getInputStream()), is("Go away #2"));
        fail("Expected time-out");
    } catch (SocketTimeoutException e) {
        assertThat(e.getMessage(), containsString("timed out"));
    }
    hub.hub().addInterestAccept(key.get());
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #2"));
    assertThat("Only ever called ready with accept true", oops.get(), is(false));
}