Example usage for java.net InetAddress getByName

List of usage examples for java.net InetAddress getByName

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Introduction

In this page you can find the example usage for java.net InetAddress getByName.

Prototype

public static InetAddress getByName(String host) throws UnknownHostException

Source Link

Document

Determines the IP address of a host, given the host's name.

Usage

From source file:io.fabric8.apiman.ManagerApiMicroServiceConfig.java

@PostConstruct
protected void postConstruct() {

    String host = null;/* w  w  w  .  j  av  a2 s .c o  m*/
    try {
        InetAddress initAddress = InetAddress.getByName("ELASTICSEARCH");
        host = initAddress.getCanonicalHostName();
    } catch (UnknownHostException e) {
        log.error("Could not resolve DNS for ELASTICSEARCH, trying ENV settings next.", e);
    }
    String hostAndPort = Systems.getServiceHostAndPort("ELASTICSEARCH", "localhost", "9200");
    String[] hp = hostAndPort.split(":");
    if (host == null) {
        log.info("ELASTICSEARCH host:port is set to " + hostAndPort + " using ENV settings.");
        host = hp[0];
    }
    String protocol = Systems.getEnvVarOrSystemProperty("ELASTICSEARCH_PROTOCOL", "http");
    System.out.println("*** Connecting to Elastic at service " + protocol + "://" + host + ":" + hp[1]);
    log.debug("CONNECTING TO 'elasticsearch' on " + protocol + "://" + host + ":" + hp[1]);
    config = new SystemConfiguration();
    config.setProperty(APIMAN_MANAGER_STORAGE_ES_HOST, host);
    config.setProperty(APIMAN_MANAGER_STORAGE_ES_PORT, hp[1]);
    config.setProperty(APIMAN_MANAGER_STORAGE_ES_PROTOCOL, protocol);
    config.setProperty(APIMAN_MANAGER_STORAGE_ES_CLUSTER_NAME, "elasticsearch");
}

From source file:com.linkedin.pinot.common.response.ServerInstance.java

public ServerInstance(String name, int port, int seq) {
    InetAddress ipAddr = null;/*w w w.  j a  v a2  s.  c  o  m*/

    try {
        ipAddr = InetAddress.getByName(name);
    } catch (UnknownHostException e) {
        LOGGER.error("Unable to fetch IpAddresses for host:" + name, e);
        ipAddr = null;
    }

    _ipAddress = ipAddr;
    _hostname = _ipAddress != null ? _ipAddress.getHostName() : name;
    _port = port;
    _seq = seq;
    _shortHostName = makeShortHostName(_hostname);
}

From source file:com.offbynull.portmapper.natpmp.NatPmpReceiver.java

/**
 * Start listening for NAT-PMP events. This method blocks until {@link #stop() } is called.
 * @param listener listener to notify of events
 * @throws IOException if socket error occurs
 * @throws NullPointerException if any argument is {@code null}
 *///from   ww w .  ja v  a 2 s. co  m
public void start(NatPmpEventListener listener) throws IOException {
    Validate.notNull(listener);

    MulticastSocket socket = null;
    try {
        final InetAddress group = InetAddress.getByName("224.0.0.1"); // NOPMD
        final int port = 5350;
        final InetSocketAddress groupAddress = new InetSocketAddress(group, port);

        socket = new MulticastSocket(port);

        if (!currentSocket.compareAndSet(null, socket)) {
            IOUtils.closeQuietly(socket);
            return;
        }

        socket.setReuseAddress(true);

        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        while (interfaces.hasMoreElements()) {
            NetworkInterface networkInterface = interfaces.nextElement();
            Enumeration<InetAddress> addrs = networkInterface.getInetAddresses();
            while (addrs.hasMoreElements()) { // make sure atleast 1 ipv4 addr bound to interface
                InetAddress addr = addrs.nextElement();

                try {
                    if (addr instanceof Inet4Address) {
                        socket.joinGroup(groupAddress, networkInterface);
                    }
                } catch (IOException ioe) { // NOPMD
                    // occurs with certain interfaces
                    // do nothing
                }
            }
        }

        ByteBuffer buffer = ByteBuffer.allocate(12);
        DatagramPacket data = new DatagramPacket(buffer.array(), buffer.capacity());

        while (true) {
            buffer.clear();
            socket.receive(data);
            buffer.position(data.getLength());
            buffer.flip();

            if (!data.getAddress().equals(gatewayAddress)) { // data isn't from our gateway, ignore
                continue;
            }

            if (buffer.remaining() != 12) { // data isn't the expected size, ignore
                continue;
            }

            int version = buffer.get(0);
            if (version != 0) { // data doesn't have the correct version, ignore
                continue;
            }

            int opcode = buffer.get(1) & 0xFF;
            if (opcode != 128) { // data doesn't have the correct op, ignore
                continue;
            }

            int resultCode = buffer.getShort(2) & 0xFFFF;
            switch (resultCode) {
            case 0:
                break;
            default:
                continue; // data doesn't have a successful result, ignore
            }

            listener.publicAddressUpdated(new ExternalAddressNatPmpResponse(buffer));
        }

    } catch (IOException ioe) {
        if (currentSocket.get() == null) {
            return; // ioexception caused by interruption/stop, so just return without propogating error up
        }

        throw ioe;
    } finally {
        IOUtils.closeQuietly(socket);
        currentSocket.set(null);
    }
}

From source file:net.testdriven.psiprobe.controllers.WhoisController.java

protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    List<String> lines = null;
    boolean timeout = false;
    String reverseName = null;//from   ww w .j ava  2  s .com

    String theIP = ServletRequestUtils.getStringParameter(request, "ip", null);

    Whois.Response wh = null;
    try {
        wh = Whois.lookup(getDefaultServer(), getDefaultPort(), theIP, getLookupTimeout());
    } catch (IOException e) {
        timeout = true;
    }

    if (wh != null) {
        lines = new ArrayList<>(50);
        try (BufferedReader br = new BufferedReader(
                new InputStreamReader(new ByteArrayInputStream(wh.getSummary().getBytes())))) {
            String line;
            while ((line = br.readLine()) != null) {
                lines.add(line);
            }
        }
    }

    if (theIP != null) {
        try {
            reverseName = InetAddress.getByName(theIP).getCanonicalHostName();
        } catch (UnknownHostException e) {
            logger.error("could not run a DNS query on " + theIP);
        }
    }
    return new ModelAndView(getViewName(), "result", lines).addObject("timeout", timeout)
            .addObject("whoisServer",
                    wh != null ? wh.getServer() + ":" + wh.getPort() : defaultServer + ":" + defaultPort)
            .addObject("domainName", reverseName);
}

From source file:com.cazoodle.crawl.DummySSLProtocolSocketFactory.java

private InetAddress getInetAddress(String host) throws UnknownHostException {
    byte[] ip = dnsCache.getValue(host);
    if (ip == null) {
        LOG.debug(host + ": No IP cached, DNS resolving");
        return InetAddress.getByName(host);
    } else {/* www  . j a  va 2 s  .  com*/
        LOG.debug(host + ": IP cached, skip DNS");
        return InetAddress.getByAddress(host, ip);
    }
}

From source file:com.googlecode.jsonrpc4j.spring.JsonStreamServiceExporter.java

/**
 * {@inheritDoc}/*from  www. j  ava 2s . c om*/
 */
@Override
protected void exportService() throws Exception {

    // create a stream server if needed
    if (streamServer == null) {

        // make sure we have a factory
        if (serverSocketFactory == null) {
            serverSocketFactory = ServerSocketFactory.getDefault();
        }

        // create server socket
        ServerSocket serverSocket = serverSocketFactory.createServerSocket(port, backlog,
                InetAddress.getByName(hostName));

        // create the stream server
        streamServer = new StreamServer(getJsonRpcServer(), maxThreads, serverSocket);
        streamServer.setMaxClientErrors(maxClientErrors);
    }

    // start it
    streamServer.start();
}

From source file:io.gravitee.repository.elasticsearch.analytics.spring.ElasticClientFactory.java

private Client createTransportClient() {
    Settings settings = Settings.settingsBuilder().put("cluster.name", configuration.getClusterName()).build();
    TransportClient transportClient = TransportClient.builder().settings(settings).build();

    List<HostAddress> addresses = configuration.getHostsAddresses();

    for (HostAddress address : addresses) {
        try {//  ww w  .  j  a  va  2 s .c  om
            transportClient.addTransportAddress(new InetSocketTransportAddress(
                    InetAddress.getByName(address.getHostname()), address.getPort()));
        } catch (final UnknownHostException uhe) {
            LOGGER.error("Invalid hostname [{}]", address.getHostname());
            throw new IllegalStateException(String.format("Invalid hostname [%s]", address.getHostname()), uhe);
        }
    }

    return transportClient;
}

From source file:net.darkmist.clf.LogParserTest.java

public void testDashes() throws Exception {
    String in = "1.2.3.4 - - [" + LOG_TIME_AS_STR + "] \"GET http://localhost:80/ HTTP/1.1\" - -";
    LogEntry entry = parser.parse(in);//from   w w w  . j  a va  2  s .  c  om

    assertEquals(InetAddress.getByName("1.2.3.4"), entry.getIP());
    assertEquals(null, entry.getIdent());
    assertEquals(null, entry.getUser());
    assertEquals(LOG_TIME_AS_DATE, entry.getDate());
    assertEquals("GET", entry.getMethod());
    assertEquals("http://localhost:80/", entry.getURI());
    assertEquals("HTTP/1.1", entry.getProtocol());
    assertEquals(-1, entry.getStatus());
    assertEquals(0, entry.getSize());
}

From source file:com.hellblazer.jackal.configuration.basic.LocalMulticastConfiguration.java

@Bean(name = "multicastInterface")
public InetAddress multicastInterface() {
    try {//w w w.  ja  v  a 2s  .  c  om
        return InetAddress.getByName("127.0.0.1");
    } catch (UnknownHostException e) {
        throw new IllegalStateException(e);
    }
}

From source file:com.edmunds.etm.management.api.HostAddress.java

/**
 * Gets the host name./*from   w  w w  .  j a  va2 s.  co  m*/
 *
 * @return host name
 */
public String getHostName() {
    if (hostName == null) {
        try {
            InetAddress addr = InetAddress.getByName(host);
            hostName = addr.getHostName();
        } catch (UnknownHostException e) {
            hostName = null;
        }
    }
    return hostName;
}