Example usage for java.net InetSocketAddress getHostName

Introduction

In this page you can find the example usage for java.net InetSocketAddress getHostName.

Prototype

public final String getHostName()

Source Link

Document

Gets the hostname .

Usage

From source file:org.apache.hadoop.hdfs.server.datanode.SecureDataNodeStarter.java

@Override
public void init(DaemonContext context) throws Exception {
    System.err.println("Initializing secure datanode resources");
    // We should only start up a secure datanode in a Kerberos-secured cluster
    Configuration conf = new Configuration(); // Skip UGI method to not log in
    if (!conf.get(HADOOP_SECURITY_AUTHENTICATION).equals("kerberos"))
        throw new RuntimeException("Cannot start secure datanode in unsecure cluster");

    // Stash command-line arguments for regular datanode
    args = context.getArguments();//from ww  w  .  j  a v  a2s .  c  om

    // Obtain secure port for data streaming to datanode
    InetSocketAddress socAddr = DataNode.getStreamingAddr(conf);
    int socketWriteTimeout = conf.getInt("dfs.datanode.socket.write.timeout", HdfsConstants.WRITE_TIMEOUT);

    ServerSocket ss = (socketWriteTimeout > 0) ? ServerSocketChannel.open().socket() : new ServerSocket();
    ss.bind(socAddr, 0);

    // Check that we got the port we need
    if (ss.getLocalPort() != socAddr.getPort())
        throw new RuntimeException("Unable to bind on specified streaming port in secure " + "context. Needed "
                + socAddr.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 "
                + socAddr.getPort() + ", got " + ss.getLocalPort());

    if (ss.getLocalPort() >= 1023 || listener.getPort() >= 1023)
        throw new RuntimeException(
                "Cannot start secure datanode on non-privileged " + " ports. (streaming port = " + ss
                        + " ) (http listener port = " + listener.getConnection() + "). Exiting.");

    System.err.println("Successfully obtained privileged resources (streaming port = " + ss
            + " ) (http listener port = " + listener.getConnection() + ")");

    resources = new SecureResources(ss, listener);
}

From source file:org.apache.hadoop.mapred.JobTrackerHAHttpRedirector.java

public synchronized void start() throws Exception {
    if (activeJobTrackerUrl == null) {
        return;/*  w w  w  .j av a 2 s . c o m*/
    }
    if (server == null) {
        @SuppressWarnings("deprecation")
        String infoAddr = NetUtils2.getServerAddress(conf, HAUtil.MR_JOBTRACKER_OLD_HTTP_ADDRESS_KEY,
                HAUtil.MR_JOBTRACKER_OLD_HTTP_PORT_KEY, HAUtil.MR_JOBTRACKER_HTTP_ADDRESS_KEY);
        LOG.info("Starting " + getClass().getSimpleName() + " on " + infoAddr);
        InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(infoAddr);
        String infoBindAddress = infoSocAddr.getHostName();
        int infoBindPort = infoSocAddr.getPort();
        server = new HttpServer("static", infoBindAddress, infoBindPort, false);
        server.addInternalServlet("redirector", "/*", RedirectorServlet.class, false);
        server.setAttribute(ACTIVE_JOBTRACKER_BASEURL, activeJobTrackerUrl);
        server.start();
        LOG.info("Started");
    } else {
        throw new Exception("JobTrackerHAHttpRedirector already running");
    }
}

From source file:org.apache.hama.bsp.message.HadoopMessageManagerImpl.java

private final void startRPCServer(Configuration conf, InetSocketAddress peerAddress) {
    try {//from   w w  w  .  j a v  a2 s. c  o  m
        this.server = RPC.getServer(this, peerAddress.getHostName(), peerAddress.getPort(), conf);
        LOG.debug("server : " + server);
        server.start();
        LOG.info(" BSPPeer address:" + peerAddress.getHostName() + " port:" + peerAddress.getPort());
    } catch (IOException e) {
        LOG.error("Fail to start RPC server!", e);
        throw new RuntimeException("RPC Server could not be launched!");
    }
}

From source file:org.necsave.NecsaveTransport.java

public Future<Boolean> sendMessage(final Message msg, final int platf) {

    if (platformAddrs.containsKey(platf)) {
        InetSocketAddress addr = platformAddrs.get(platf);
        return sendMessage(msg, addr.getHostName(), addr.getPort());
    } else//from  w w  w  .j a v a2 s  . co m
        return ConcurrentUtils.constantFuture(Boolean.FALSE);
}

From source file:com.facebook.infrastructure.net.io.ContentStreamState.java

ContentStreamState(TcpReader stream) {
    super(stream);
    SocketChannel socketChannel = stream.getStream();
    InetSocketAddress remoteAddress = (InetSocketAddress) socketChannel.socket().getRemoteSocketAddress();
    String remoteHost = remoteAddress.getHostName();
    streamContext_ = StreamContextManager.getStreamContext(remoteHost);
    streamStatus_ = StreamContextManager.getStreamStatus(remoteHost);
}

From source file:com.sharneng.net.misc.EchoServer.java

public EchoServer(InetSocketAddress from) throws IOException {
    this.from = from;
    serverSocket = new ServerSocket();
    serverSocket.setReuseAddress(true);//  w w w  .ja va  2s .  c  om
    serverSocket.bind(from);
    String hostname = from.getHostName();
    if (hostname == null)
        hostname = "*";
    log.info("Ready to accept client connection on " + hostname + ":" + from.getPort());
}

From source file:org.apache.hadoop.yarn.server.resourcemanager.RMZKFailoverController.java

@Override
protected byte[] targetToData(HAServiceTarget target) {
    InetSocketAddress addr = target.getAddress();

    return RMActiveNodeInfoProto.newBuilder().setHostname(addr.getHostName()).setPort(addr.getPort())
            .setZkfcPort(target.getZKFCAddress().getPort()).setClusterid(localRMServiceTarget.getClusterId())
            .setRmId(localRMServiceTarget.getRmId()).build().toByteArray();
}

From source file:org.apache.tajo.ws.rs.TajoRestService.java

@Override
protected void serviceInit(Configuration conf) throws Exception {
    GsonFeature gsonFeature = new GsonFeature(PlanGsonHelper.registerAdapters());

    ClientApplication clientApplication = new ClientApplication(masterContext);
    ResourceConfig resourceConfig = ResourceConfig.forApplication(clientApplication).register(gsonFeature)
            .register(LoggingFilter.class).property(ServerProperties.FEATURE_AUTO_DISCOVERY_DISABLE, true)
            .property(ServerProperties.METAINF_SERVICES_LOOKUP_DISABLE, true);
    TajoConf tajoConf = (TajoConf) conf;

    InetSocketAddress address = tajoConf.getSocketAddrVar(TajoConf.ConfVars.REST_SERVICE_ADDRESS);
    URI restServiceURI = new URI("http", null, address.getHostName(), address.getPort(), "/rest", null, null);
    int workerCount = TajoConf.getIntVar(tajoConf, TajoConf.ConfVars.REST_SERVICE_RPC_SERVER_WORKER_THREAD_NUM);
    restServer = NettyRestServerFactory.createNettyRestServer(restServiceURI, resourceConfig, workerCount,
            false);// w ww .  j  av a  2  s.c o  m

    super.serviceInit(conf);

    LOG.info("Tajo Rest Service initialized.");
}

From source file:org.yccheok.jstock.network.ProxyDetector.java

/**
 * @return a String representing the hostname of the proxy, <tt>null</tt> if there is no proxy
 *//* w ww  . j  a  v a 2 s  .c o  m*/
public String getHostname() {
    if (this.proxyToUse != null) {
        final SocketAddress socketAddress = this.proxyToUse.address();
        if (socketAddress instanceof InetSocketAddress) {
            InetSocketAddress address = (InetSocketAddress) socketAddress;
            return address.getHostName();
        }
    }
    return null;
}

From source file:com.googlecode.fascinator.common.BasicHttpClient.java

/**
 * Gets an HTTP client. If authentication is required, the authenticate()
 * method must be called prior to this method.
 * //from  w ww  .  ja v a  2s  . c om
 * @param auth set true to use authentication, false to skip authentication
 * @return an HTTP client
 */
public HttpClient getHttpClient(boolean auth) {
    HttpClient client = new HttpClient();
    try {
        URL url = new URL(baseUrl);
        Proxy proxy = ProxySelector.getDefault().select(url.toURI()).get(0);
        if (!proxy.type().equals(Proxy.Type.DIRECT)) {
            InetSocketAddress address = (InetSocketAddress) proxy.address();
            String proxyHost = address.getHostName();
            int proxyPort = address.getPort();
            client.getHostConfiguration().setProxy(proxyHost, proxyPort);
            log.trace("Using proxy {}:{}", proxyHost, proxyPort);
        }
    } catch (Exception e) {
        log.warn("Failed to get proxy settings: " + e.getMessage());
    }
    if (auth && credentials != null) {
        client.getParams().setAuthenticationPreemptive(true);
        client.getState().setCredentials(AuthScope.ANY, credentials);
        log.trace("Credentials: username={}", credentials.getUserName());
    }
    return client;
}