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.htrace.impl.PackedBufferManager.java

private SelectionKey doConnect() throws IOException {
    SocketChannel sock = SocketChannel.open();
    SelectionKey sockKey = null;//from w  w  w. j a  va 2s.  c om
    boolean success = false;
    try {
        if (sock.isBlocking()) {
            sock.configureBlocking(false);
        }
        InetSocketAddress resolvedEndpoint = new InetSocketAddress(conf.endpoint.getHostString(),
                conf.endpoint.getPort());
        resolvedEndpoint.getHostName(); // trigger DNS resolution
        sock.connect(resolvedEndpoint);
        sockKey = sock.register(selector, SelectionKey.OP_CONNECT, sock);
        long startMs = TimeUtil.nowMs();
        long remainingMs = conf.connectTimeoutMs;
        while (true) {
            selector.select(remainingMs);
            for (SelectionKey key : selector.keys()) {
                if (key.isConnectable()) {
                    SocketChannel s = (SocketChannel) key.attachment();
                    s.finishConnect();
                    if (LOG.isTraceEnabled()) {
                        LOG.trace("Successfully connected to " + conf.endpointStr + ".");
                    }
                    success = true;
                    return sockKey;
                }
            }
            remainingMs = updateRemainingMs(startMs, conf.connectTimeoutMs);
            if (remainingMs == 0) {
                throw new IOException("Attempt to connect to " + conf.endpointStr + " timed out after "
                        + TimeUtil.deltaMs(startMs, TimeUtil.nowMs()) + " ms.");
            }
        }
    } finally {
        if (!success) {
            if (sockKey != null) {
                sockKey.cancel();
            }
            sock.close();
        }
    }
}

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From source file:org.apache.hadoop.hdfs.qjournal.server.JournalNode.java

/**
 * Start listening for edits via RPC.//ww  w.  j  a va2 s.c  o  m
 */
public void start() throws IOException {
    Preconditions.checkState(!isStarted(), "JN already running");

    validateAndCreateJournalDir(localDir);

    DefaultMetricsSystem.initialize("JournalNode");
    JvmMetrics.create("JournalNode", conf.get(DFSConfigKeys.DFS_METRICS_SESSION_ID_KEY),
            DefaultMetricsSystem.instance());

    InetSocketAddress socAddr = JournalNodeRpcServer.getAddress(conf);
    SecurityUtil.login(conf, DFSConfigKeys.DFS_JOURNALNODE_KEYTAB_FILE_KEY,
            DFSConfigKeys.DFS_JOURNALNODE_KERBEROS_PRINCIPAL_KEY, socAddr.getHostName());

    registerJNMXBean();

    httpServer = new JournalNodeHttpServer(conf, this);
    httpServer.start();

    httpServerURI = httpServer.getServerURI().toString();

    rpcServer = new JournalNodeRpcServer(conf, this);
    rpcServer.start();
}

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From source file:org.apache.tajo.client.TajoAdmin.java

private void processMasters(Writer writer) throws ParseException, IOException, ServiceException, SQLException {
    tajoClient = TajoHAClientUtil.getTajoClient(tajoConf, tajoClient);
    if (tajoConf.getBoolVar(TajoConf.ConfVars.TAJO_MASTER_HA_ENABLE)) {

        List<String> list = HAServiceUtil.getMasters(tajoConf);
        int i = 0;
        for (String master : list) {
            if (i > 0) {
                writer.write(" ");
            }//from   ww w .j a v  a2 s .  c o  m
            writer.write(master);
            i++;
        }
        writer.write("\n");
    } else {
        String confMasterServiceAddr = tajoClient.getConf()
                .getVar(TajoConf.ConfVars.TAJO_MASTER_UMBILICAL_RPC_ADDRESS);
        InetSocketAddress masterAddress = NetUtils.createSocketAddr(confMasterServiceAddr);
        writer.write(masterAddress.getHostName());
        writer.write("\n");
    }
}

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From source file:org.jolokia.jvmagent.handler.JolokiaHttpHandlerTest.java

@Test
public void restrictorWithReverseDnsLookup() throws URISyntaxException, IOException, ParseException {
    Configuration config = getConfig(ConfigKey.RESTRICTOR_CLASS, TestReverseDnsLookupRestrictor.class.getName(),
            ConfigKey.ALLOW_DNS_REVERSE_LOOKUP, "true");
    InetSocketAddress address = new InetSocketAddress(8080);
    TestReverseDnsLookupRestrictor.expectedRemoteHostsToCheck = new String[] { address.getHostName(),
            address.getAddress().getHostAddress() };
    JSONObject resp = simpleMemoryGetReadRequest(config);
    assertFalse(resp.containsKey("error"));
}

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From source file:com.bigdata.rdf.sail.remoting.GraphRepositoryClient.java

private ProxyHost getProxyHost() {
    ProxyHost theProxyHost = null;/*from  w  w  w  .j a v a 2s.c  o m*/
    ProxySelector ps = ProxySelector.getDefault();
    List<Proxy> p = null;
    // select the proxy for the URI of this repository
    try {
        if (ps != null) {
            // log.info( "Getting Proxy List." );
            p = ps.select(new java.net.URI(this.servletURL));
        }
    } catch (Exception e) {
        // log.warn( "Exception getting proxy: " + e.toString() );
    }
    if (p == null) {
        // log.warn( "No proxy information available." );
    } else {
        // log.info( "Received proxy list: " + p.toString() );
        Iterator<Proxy> proxies = p.iterator();
        // just take the first for now
        if (proxies != null && proxies.hasNext()) {
            Proxy theProxy = (Proxy) proxies.next();
            // log.info( "Proxy set to: " + theProxy.toString() );
            if (!Proxy.NO_PROXY.equals(theProxy)) {
                InetSocketAddress theSock = (InetSocketAddress) theProxy.address();
                theProxyHost = new ProxyHost(theSock.getHostName(), theSock.getPort());
            }
        } else {
            // log.warn( "Proxy list has zero members." );
        }
    }
    return theProxyHost;
}

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From source file:org.apache.hadoop.hdfs.server.namenode.StandbyNew.java

/**
 * Initialize the webserver so that the primary namenode can fetch
 * transaction logs from standby via http.
 *///w w w. j  a va2  s  . c  o  m
void initSecondary(Configuration conf) throws IOException {

    nameNodeAddr = AvatarNode.getRemoteNamenodeAddress(conf);
    this.primaryNamenode = (NamenodeProtocol) RPC.waitForProxy(NamenodeProtocol.class,
            NamenodeProtocol.versionID, nameNodeAddr, conf);

    fsName = AvatarNode.getRemoteNamenodeHttpName(conf);

    // Initialize other scheduling parameters from the configuration
    checkpointPeriod = conf.getLong("fs.checkpoint.period", 3600);
    checkpointSize = conf.getLong("fs.checkpoint.size", 4194304);

    // initialize the webserver for uploading files.
    String infoAddr = NetUtils.getServerAddress(conf, "dfs.secondary.info.bindAddress",
            "dfs.secondary.info.port", "dfs.secondary.http.address");
    InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(infoAddr);
    infoBindAddress = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    infoServer = new HttpServer("secondary", infoBindAddress, tmpInfoPort, tmpInfoPort == 0, conf);
    infoServer.setAttribute("name.system.image", fsImage);
    this.infoServer.setAttribute("name.conf", conf);
    infoServer.addInternalServlet("getimage", "/getimage", GetImageServlet.class);
    infoServer.start();

    // The web-server port can be ephemeral... ensure we have the correct info
    infoPort = infoServer.getPort();
    conf.set("dfs.secondary.http.address", infoBindAddress + ":" + infoPort);
    LOG.info("Secondary Web-server up at: " + infoBindAddress + ":" + infoPort);
    LOG.warn("Checkpoint Period   :" + checkpointPeriod + " secs " + "(" + checkpointPeriod / 60 + " min)");
    LOG.warn("Log Size Trigger    :" + checkpointSize + " bytes " + "(" + checkpointSize / 1024 + " KB)");
}

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From source file:com.hortonworks.hbase.replication.bridge.ReplicationBridgeServer.java

/**
 * Starts a HRegionServer at the default location
 *
 * @param conf// w  ww. ja va2  s  . c  o  m
 * @throws IOException
 * @throws InterruptedException
 * @throws KeeperException 
 * @throws ZkConnectException 
 */
public ReplicationBridgeServer(Configuration conf) throws IOException, InterruptedException, KeeperException {
    this.conf = conf;

    // Set how many times to retry talking to another server over HConnection.
    HConnectionManager.setServerSideHConnectionRetries(this.conf, LOG);

    // Server to handle client requests.
    String hostname = conf.get("hbase.regionserver.ipc.address",
            Strings.domainNamePointerToHostName(
                    DNS.getDefaultHost(conf.get("hbase.regionserver.dns.interface", "default"),
                            conf.get("hbase.regionserver.dns.nameserver", "default"))));
    port = conf.getInt("hbase.bridge.server.port", BRIDGE_SERVER_PORT);
    // Creation of a HSA will force a resolve.
    InetSocketAddress initialIsa = new InetSocketAddress(hostname, port);
    if (initialIsa.getAddress() == null) {
        throw new IllegalArgumentException("Failed resolve of " + initialIsa);
    }

    this.rpcServer = HBaseRPC.getServer(this, new Class<?>[] { HRegionInterface.class },
            initialIsa.getHostName(), // BindAddress is IP we got for this server.
            initialIsa.getPort(), conf.getInt("hbase.regionserver.handler.count", 10),
            conf.getInt("hbase.regionserver.metahandler.count", 10),
            conf.getBoolean("hbase.rpc.verbose", false), conf, HConstants.QOS_THRESHOLD);
}

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From source file:com.joyent.manta.http.MantaConnectionFactory.java

/**
 * Finds the host of the proxy server that was configured as part of the
 * JVM settings.//from  www.ja  va2s .co m
 *
 * @return proxy server as {@link HttpHost}, if no proxy then null
 */
protected HttpHost findProxyServer() {
    final ProxySelector proxySelector = ProxySelector.getDefault();
    List<Proxy> proxies = proxySelector.select(URI.create(config.getMantaURL()));

    if (!proxies.isEmpty()) {
        /* The Apache HTTP Client doesn't understand the concept of multiple
         * proxies, so we use only the first one returned. */
        final Proxy proxy = proxies.get(0);

        switch (proxy.type()) {
        case DIRECT:
            return null;
        case SOCKS:
            throw new ConfigurationException("SOCKS proxies are unsupported");
        default:
            // do nothing and fall through
        }

        if (proxy.address() instanceof InetSocketAddress) {
            InetSocketAddress sa = (InetSocketAddress) proxy.address();

            return new HttpHost(sa.getHostName(), sa.getPort());
        } else {
            String msg = String.format(
                    "Expecting proxy to be instance of InetSocketAddress. " + " Actually: %s", proxy.address());
            throw new ConfigurationException(msg);
        }
    } else {
        return null;
    }
}

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From source file:com.cloudera.util.StatusHttpServer.java

/**
 * Configure an ssl listener on the server.
 * /*  w  w  w. ja v a2 s .co  m*/
 * @param addr
 *          address to listen on
 * @param keystore
 *          location of the keystore
 * @param storPass
 *          password for the keystore
 * @param keyPass
 *          password for the key
 */
public void addSslListener(InetSocketAddress addr, String keystore, String storPass, String keyPass)
        throws IOException {
    if (sslConnector != null || webServer.isStarted()) {
        throw new IOException("Failed to add ssl listener");
    }
    sslConnector = new SslSocketConnector();
    sslConnector.setHost(addr.getHostName());
    sslConnector.setPort(addr.getPort());
    sslConnector.setKeystore(keystore);
    sslConnector.setPassword(storPass);
    sslConnector.setKeyPassword(keyPass);
    webServer.addConnector(sslConnector);
}

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

/**
 * This test makes sure that we have a valid
 * Node ID after the checkNodeUUID is done.
 *//*  w  w  w . j  av  a2s.c o  m*/
@Test
public void testDatanodeUuid() throws Exception {

    final InetSocketAddress NN_ADDR = new InetSocketAddress("localhost", 5020);
    Configuration conf = new HdfsConfiguration();
    conf.set(DFSConfigKeys.DFS_DATANODE_ADDRESS_KEY, "0.0.0.0:0");
    conf.set(DFSConfigKeys.DFS_DATANODE_HTTP_ADDRESS_KEY, "0.0.0.0:0");
    conf.set(DFSConfigKeys.DFS_DATANODE_IPC_ADDRESS_KEY, "0.0.0.0:0");
    FileSystem.setDefaultUri(conf, "hdfs://" + NN_ADDR.getHostName() + ":" + NN_ADDR.getPort());
    ArrayList<StorageLocation> locations = new ArrayList<>();

    DataNode dn = new DataNode(conf, locations, null);

    //Assert that Node iD is null
    String nullString = null;
    assertEquals(dn.getDatanodeUuid(), nullString);

    // CheckDataNodeUUID will create an UUID if UUID is null
    dn.checkDatanodeUuid();

    // Make sure that we have a valid DataNodeUUID at that point of time.
    assertNotEquals(dn.getDatanodeUuid(), nullString);
}

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