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:examples.finger.java

public static final void main(String[] args) {
    boolean longOutput = false;
    int arg = 0, index;
    String handle, host;/*from w ww . ja  va  2  s. co  m*/
    FingerClient finger;
    InetAddress address = null;

    // Get flags.  If an invalid flag is present, exit with usage message.
    while (arg < args.length && args[arg].startsWith("-")) {
        if (args[arg].equals("-l"))
            longOutput = true;
        else {
            System.err.println("usage: finger [-l] [[[handle][@<server>]] ...]");
            System.exit(1);
        }
        ++arg;
    }

    finger = new FingerClient();
    // We want to timeout if a response takes longer than 60 seconds
    finger.setDefaultTimeout(60000);

    if (arg >= args.length) {
        // Finger local host

        try {
            address = InetAddress.getLocalHost();
        } catch (UnknownHostException e) {
            System.err.println("Error unknown host: " + e.getMessage());
            System.exit(1);
        }

        try {
            finger.connect(address);
            System.out.print(finger.query(longOutput));
            finger.disconnect();
        } catch (IOException e) {
            System.err.println("Error I/O exception: " + e.getMessage());
            System.exit(1);
        }

        return;
    }

    // Finger each argument
    while (arg < args.length) {

        index = args[arg].lastIndexOf("@");

        if (index == -1) {
            handle = args[arg];
            try {
                address = InetAddress.getLocalHost();
            } catch (UnknownHostException e) {
                System.err.println("Error unknown host: " + e.getMessage());
                System.exit(1);
            }
        } else {
            handle = args[arg].substring(0, index);
            host = args[arg].substring(index + 1);

            try {
                address = InetAddress.getByName(host);
            } catch (UnknownHostException e) {
                System.err.println("Error unknown host: " + e.getMessage());
                System.exit(1);
            }
        }

        System.out.println("[" + address.getHostName() + "]");

        try {
            finger.connect(address);
            System.out.print(finger.query(longOutput, handle));
            finger.disconnect();
        } catch (IOException e) {
            System.err.println("Error I/O exception: " + e.getMessage());
            System.exit(1);
        }

        ++arg;
        if (arg != args.length)
            System.out.print("\n");
    }
}

From source file:examples.unix.finger.java

public static void main(String[] args) {
    boolean longOutput = false;
    int arg = 0, index;
    String handle, host;//from w w  w  . j av  a  2  s.  com
    FingerClient finger;
    InetAddress address = null;

    // Get flags.  If an invalid flag is present, exit with usage message.
    while (arg < args.length && args[arg].startsWith("-")) {
        if (args[arg].equals("-l")) {
            longOutput = true;
        } else {
            System.err.println("usage: finger [-l] [[[handle][@<server>]] ...]");
            System.exit(1);
        }
        ++arg;
    }

    finger = new FingerClient();
    // We want to timeout if a response takes longer than 60 seconds
    finger.setDefaultTimeout(60000);

    if (arg >= args.length) {
        // Finger local host

        try {
            address = InetAddress.getLocalHost();
        } catch (UnknownHostException e) {
            System.err.println("Error unknown host: " + e.getMessage());
            System.exit(1);
        }

        try {
            finger.connect(address);
            System.out.print(finger.query(longOutput));
            finger.disconnect();
        } catch (IOException e) {
            System.err.println("Error I/O exception: " + e.getMessage());
            System.exit(1);
        }

        return;
    }

    // Finger each argument
    while (arg < args.length) {

        index = args[arg].lastIndexOf("@");

        if (index == -1) {
            handle = args[arg];
            try {
                address = InetAddress.getLocalHost();
            } catch (UnknownHostException e) {
                System.err.println("Error unknown host: " + e.getMessage());
                System.exit(1);
            }
        } else {
            handle = args[arg].substring(0, index);
            host = args[arg].substring(index + 1);

            try {
                address = InetAddress.getByName(host);
                System.out.println("[" + address.getHostName() + "]");
            } catch (UnknownHostException e) {
                System.err.println("Error unknown host: " + e.getMessage());
                System.exit(1);
            }
        }

        try {
            finger.connect(address);
            System.out.print(finger.query(longOutput, handle));
            finger.disconnect();
        } catch (IOException e) {
            System.err.println("Error I/O exception: " + e.getMessage());
            System.exit(1);
        }

        ++arg;
        if (arg != args.length) {
            System.out.print("\n");
        }
    }
}

From source file:cnxchecker.Client.java

public static void main(String[] args) {
    Options options = new Options();
    options.addOption("H", "host", true, "Remote IP address");
    options.addOption("p", "port", true, "Remote TCP port");
    options.addOption("s", "size", true, "Packet size in bytes (1 KiB)");
    options.addOption("f", "freq", true, "Packets per seconds  (1 Hz)");
    options.addOption("w", "workers", true, "Number of Workers (1)");
    options.addOption("d", "duration", true, "Duration of the test in seconds (60 s)");
    options.addOption("h", "help", false, "Print help");
    CommandLineParser parser = new GnuParser();
    try {//from  w ww . ja  v a 2s .  c om
        CommandLine cmd = parser.parse(options, args);

        if (cmd.hasOption("h")) {
            HelpFormatter hf = new HelpFormatter();
            hf.printHelp("client", options);
            System.exit(0);
        }

        // host
        InetAddress ia = null;
        if (cmd.hasOption("H")) {
            String host = cmd.getOptionValue("H");

            try {
                ia = InetAddress.getByName(host);
            } catch (UnknownHostException e) {
                printAndExit("Unknown host: " + host);
            }
        } else {
            printAndExit("Host option is mandatory");
        }

        // port
        int port = 0;
        if (cmd.hasOption("p")) {
            try {
                port = Integer.parseInt(cmd.getOptionValue("p"));
            } catch (NumberFormatException e) {
                printAndExit("Invalid port number " + cmd.getOptionValue("p"));
            }

            if (port < 0 || port > 65535) {
                printAndExit("Invalid port number " + port);
            }
        }

        // size
        int size = 1024;
        if (cmd.hasOption("s")) {
            try {
                size = Integer.parseInt(cmd.getOptionValue("s"));
            } catch (NumberFormatException e) {
                printAndExit("Invalid packet size " + cmd.getOptionValue("s"));
            }

            if (size < 0) {
                printAndExit("Invalid packet size: " + port);
            }
        }

        // freq
        double freq = 1;
        if (cmd.hasOption("f")) {
            try {
                freq = Double.parseDouble(cmd.getOptionValue("f"));
            } catch (NumberFormatException e) {
                printAndExit("Invalid frequency: " + cmd.getOptionValue("f"));
            }

            if (freq <= 0) {
                printAndExit("Invalid frequency: " + freq);
            }
        }

        // workers
        int workers = 1;
        if (cmd.hasOption("w")) {
            try {
                workers = Integer.parseInt(cmd.getOptionValue("w"));
            } catch (NumberFormatException e) {
                printAndExit("Invalid number of workers: " + cmd.getOptionValue("w"));
            }

            if (workers < 0) {
                printAndExit("Invalid number of workers: " + workers);
            }
        }

        // duration
        int duration = 60000;
        if (cmd.hasOption("d")) {
            try {
                duration = Integer.parseInt(cmd.getOptionValue("d")) * 1000;
            } catch (NumberFormatException e) {
                printAndExit("Invalid duration: " + cmd.getOptionValue("d"));
            }

            if (duration < 0) {
                printAndExit("Invalid duration: " + duration);
            }
        }

        Client client = new Client(ia, port, size, freq, workers, duration);
        client.doit();
    } catch (ParseException e) {
        printAndExit("Failed to parse options: " + e.getMessage());
    }

    System.exit(0);
}

From source file:com.knowbout.epg.EPG.java

public static void main(String[] args) {
    String configFile = "/etc/flip.tv/epg.xml";
    boolean sitemaponly = false;
    if (args.length > 0) {
        if (args.length == 2 && args[0].equals("-config")) {
            configFile = args[1];/*from  w w  w  .jav  a 2  s.  c om*/
        } else if (args.length == 1 && args[0].equals("-sitemaponly")) {
            sitemaponly = true;
        } else {
            System.err.println("Usage: java " + EPG.class.getName() + " [-config <xmlfile>]");
            System.exit(1);
        }
    }

    try {
        XMLConfiguration config = new XMLConfiguration(configFile);

        HashMap<String, String> hibernateProperties = new HashMap<String, String>();
        Configuration database = config.subset("database");
        hibernateProperties.put(Environment.DRIVER, database.getString("driver"));
        hibernateProperties.put(Environment.URL, database.getString("url"));
        hibernateProperties.put(Environment.USER, database.getString("user"));
        hibernateProperties.put(Environment.PASS, database.getString("password"));
        hibernateProperties.put(Environment.DATASOURCE, null);

        HibernateUtil.setProperties(hibernateProperties);

        if (!sitemaponly) {
            //test(config);
            // Get the server configuration to download the content
            Configuration provider = config.subset("provider");
            InetAddress server = InetAddress.getByName(provider.getString("server"));
            File destinationFolder = new File(provider.getString("destinationFolder"));
            String username = provider.getString("username");
            String password = provider.getString("password");
            String remoteDirectory = provider.getString("remoteWorkingDirectory");
            boolean forceDownload = provider.getBoolean("forceDownload");
            Downloader downloader = new Downloader(server, username, password, destinationFolder,
                    remoteDirectory, forceDownload);
            int count = downloader.downloadFiles();
            log.info("Downloaded " + count + " files");
            //         int count = 14;
            if (count > 0) {
                log.info("Processing downloads now.");
                //Get the name of the files to process
                Configuration files = config.subset("files");
                File headend = new File(destinationFolder, files.getString("headend"));
                File lineup = new File(destinationFolder, files.getString("lineup"));
                File stations = new File(destinationFolder, files.getString("stations"));
                File programs = new File(destinationFolder, files.getString("programs"));
                File schedules = new File(destinationFolder, files.getString("schedules"));

                Parser parser = new Parser(config, headend, lineup, stations, programs, schedules);
                parser.parse();
                log.info("Finished parsing EPG Data. Invoking AlertQueue service now.");
                String alertUrl = config.getString("alertUrl");
                HessianProxyFactory factory = new HessianProxyFactory();
                AlertQueue alerts = (AlertQueue) factory.create(AlertQueue.class, alertUrl);
                alerts.checkAlerts();
                log.info("Updating sitemap");
                updateSitemap(config.getString("sitemap", "/usr/local/webapps/search/sitemap.xml.gz"));
                log.info("Exiting EPG now.");
            } else {
                log.info("No files were downloaded, so don't process the old files.");
            }
        } else {
            log.info("Updating sitemap");
            updateSitemap(config.getString("sitemap", "/usr/local/webapps/search/sitemap.xml.gz"));
            log.info("Done updating sitemap");
        }
    } catch (ConfigurationException e) {
        log.fatal("Configuration error in file " + configFile, e);
        e.printStackTrace();
    } catch (UnknownHostException e) {
        log.fatal("Unable to connect to host", e);
        e.printStackTrace();
    } catch (IOException e) {
        log.fatal("Error downloading or processing EPG information", e);
        e.printStackTrace();
    } catch (Throwable e) {
        log.fatal("Unexpected Error", e);
        e.printStackTrace();
    }

}

From source file:proxy.ElementalHttpGet.java

public static void main(String[] args) throws Exception {
    //      String localIp = args[0];
    //      System.out.println("localIp: " + localIp);
    HttpProcessor httpproc = HttpProcessorBuilder.create().add(new RequestContent())
            .add(new RequestTargetHost()).add(new RequestConnControl()).add(new RequestUserAgent("Test/1.1"))
            .add(new RequestExpectContinue(true)).build();

    HttpRequestExecutor httpexecutor = new HttpRequestExecutor();

    HttpCoreContext coreContext = HttpCoreContext.create();
    HttpHost host = new HttpHost("api.weibo.com", 443, "https");
    coreContext.setTargetHost(host);/* ww w.  j  a  v a 2  s .c  om*/
    //      for (InetAddress localinetAddress : getAllIp("eth0")) {
    //         System.out.println(localinetAddress.getHostAddress());
    request(httpproc, httpexecutor, coreContext, host, InetAddress.getByName("60.169.74.152"));
    //      }

}

From source file:examples.server2serverFTP.java

public static final void main(String[] args) {
    String server1, username1, password1, file1;
    String server2, username2, password2, file2;
    FTPClient ftp1, ftp2;/*from w  w  w. j  a  v  a 2s .co m*/
    ProtocolCommandListener listener;

    if (args.length < 8) {
        System.err.println("Usage: ftp <host1> <user1> <pass1> <file1> <host2> <user2> <pass2> <file2>");
        System.exit(1);
    }

    server1 = args[0];
    username1 = args[1];
    password1 = args[2];
    file1 = args[3];
    server2 = args[4];
    username2 = args[5];
    password2 = args[6];
    file2 = args[7];

    listener = new PrintCommandListener(new PrintWriter(System.out));
    ftp1 = new FTPClient();
    ftp1.addProtocolCommandListener(listener);
    ftp2 = new FTPClient();
    ftp2.addProtocolCommandListener(listener);

    try {
        int reply;
        ftp1.connect(server1);
        System.out.println("Connected to " + server1 + ".");

        reply = ftp1.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp1.disconnect();
            System.err.println("FTP server1 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp1.isConnected()) {
            try {
                ftp1.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server1.");
        e.printStackTrace();
        System.exit(1);
    }

    try {
        int reply;
        ftp2.connect(server2);
        System.out.println("Connected to " + server2 + ".");

        reply = ftp2.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp2.disconnect();
            System.err.println("FTP server2 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp2.isConnected()) {
            try {
                ftp2.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server2.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp1.login(username1, password1)) {
            System.err.println("Could not login to " + server1);
            break __main;
        }

        if (!ftp2.login(username2, password2)) {
            System.err.println("Could not login to " + server2);
            break __main;
        }

        // Let's just assume success for now.
        ftp2.enterRemotePassiveMode();

        ftp1.enterRemoteActiveMode(InetAddress.getByName(ftp2.getPassiveHost()), ftp2.getPassivePort());

        // Although you would think the store command should be sent to server2
        // first, in reality, ftp servers like wu-ftpd start accepting data
        // connections right after entering passive mode.  Additionally, they
        // don't even send the positive preliminary reply until after the
        // transfer is completed (in the case of passive mode transfers).
        // Therefore, calling store first would hang waiting for a preliminary
        // reply.
        if (ftp1.remoteRetrieve(file1) && ftp2.remoteStoreUnique(file2)) {
            //      if(ftp1.remoteRetrieve(file1) && ftp2.remoteStore(file2)) {
            // We have to fetch the positive completion reply.
            ftp1.completePendingCommand();
            ftp2.completePendingCommand();
        } else {
            System.err.println("Couldn't initiate transfer.  Check that filenames are valid.");
            break __main;
        }

    } catch (IOException e) {
        e.printStackTrace();
        System.exit(1);
    } finally {
        try {
            if (ftp1.isConnected()) {
                ftp1.logout();
                ftp1.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }

        try {
            if (ftp2.isConnected()) {
                ftp2.logout();
                ftp2.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }
    }
}

From source file:edu.umass.cs.reconfiguration.reconfigurationpackets.RequestActiveReplicas.java

public static void main(String[] args) {
    String[] addrs = { "128.119.240.21" };
    int[] ports = { 3245 };
    assert (addrs.length == ports.length);
    InetSocketAddress[] isaddrs = new InetSocketAddress[addrs.length];
    try {//from   w w  w .  j  a v  a2s  .  c o m
        for (int i = 0; i < addrs.length; i++) {
            isaddrs[i] = new InetSocketAddress(InetAddress.getByName(addrs[i]), ports[i]);
        }
        String name = "name";
        InetSocketAddress sender = new InetSocketAddress(InetAddress.getLoopbackAddress(), 1234);
        RequestActiveReplicas req1 = new RequestActiveReplicas(sender, name, 0);
        System.out.println(req1);
        JSONObject json1;
        json1 = req1.toJSONObject();
        RequestActiveReplicas req2 = new RequestActiveReplicas(json1, null);
        System.out.println(req2);
    } catch (UnknownHostException | JSONException e) {
        e.printStackTrace();
    }
}

From source file:com.boulmier.machinelearning.jobexecutor.JobExecutor.java

public static void main(String[] args) throws ParseException, IOException, InterruptedException {
    Options options = defineOptions();/* w  w w. j  av a  2  s. c  o  m*/
    sysMon = new JavaSysMon();
    InetAddress vmscheduler_ip, mongodb_ip = null;
    Integer vmscheduler_port = null, mongodb_port = null;
    CommandLineParser parser = new BasicParser();

    try {
        CommandLine cmd = parser.parse(options, args);
        if (cmd.hasOption(JobExecutorConfig.OPTIONS.CMD.LONGPORTFIELD)) {
            vmscheduler_port = Integer.valueOf(cmd.getOptionValue(JobExecutorConfig.OPTIONS.CMD.LONGPORTFIELD));
        }
        mongodb_port = (int) (cmd.hasOption(JobExecutorConfig.OPTIONS.CMD.LONGMONGOPORTFIELD)
                ? cmd.hasOption(JobExecutorConfig.OPTIONS.CMD.LONGMONGOPORTFIELD)
                : JobExecutorConfig.OPTIONS.LOGGING.MONGO_DEFAULT_PORT);
        mongodb_ip = InetAddress.getByName(cmd.getOptionValue(JobExecutorConfig.OPTIONS.CMD.LONGMONGOIPFIELD));

        vmscheduler_ip = InetAddress.getByName(cmd.getOptionValue(JobExecutorConfig.OPTIONS.CMD.LONGIPFIELD));

        decryptKey = cmd.getOptionValue("decrypt-key");

        debugState = cmd.hasOption(JobExecutorConfig.OPTIONS.CMD.LONGDEBUGFIELD);

        logger = LoggerFactory.getLogger();
        logger.info("Attempt to connect on master @" + vmscheduler_ip + ":" + vmscheduler_port);

        new RequestConsumer().start();

    } catch (MissingOptionException moe) {
        logger.error(moe.getMissingOptions() + " are missing");
        HelpFormatter help = new HelpFormatter();
        help.printHelp(JobExecutor.class.getSimpleName(), options);

    } catch (UnknownHostException ex) {
        logger.error(ex.getMessage());
    } finally {
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                logger.info("JobExeutor is shutting down");
            }
        });
    }
}

From source file:com.knowbout.epg.processor.Downloader.java

public static void main(String[] args) throws Exception {
    InetAddress server = InetAddress.getByName("ftp.tmstv.com");
    File destinationFolder = new File("data/samples");
    Downloader downloader = new Downloader(server, "kno868cb", "FYS141ca", destinationFolder, "pub", false);
    int count = downloader.downloadFiles();
    System.err.println("Downloaded " + count + " files");
}

From source file:com.xiangzhurui.util.ftp.ServerToServerFTP.java

public static void main(String[] args) {
    String server1, username1, password1, file1;
    String server2, username2, password2, file2;
    String[] parts;//  w  w  w . j  a va 2  s  .  c  om
    int port1 = 0, port2 = 0;
    FTPClient ftp1, ftp2;
    ProtocolCommandListener listener;

    if (args.length < 8) {
        System.err.println(
                "Usage: com.xzr.practice.util.ftp <host1> <user1> <pass1> <file1> <host2> <user2> <pass2> <file2>");
        System.exit(1);
    }

    server1 = args[0];
    parts = server1.split(":");
    if (parts.length == 2) {
        server1 = parts[0];
        port1 = Integer.parseInt(parts[1]);
    }
    username1 = args[1];
    password1 = args[2];
    file1 = args[3];
    server2 = args[4];
    parts = server2.split(":");
    if (parts.length == 2) {
        server2 = parts[0];
        port2 = Integer.parseInt(parts[1]);
    }
    username2 = args[5];
    password2 = args[6];
    file2 = args[7];

    listener = new PrintCommandListener(new PrintWriter(System.out), true);
    ftp1 = new FTPClient();
    ftp1.addProtocolCommandListener(listener);
    ftp2 = new FTPClient();
    ftp2.addProtocolCommandListener(listener);

    try {
        int reply;
        if (port1 > 0) {
            ftp1.connect(server1, port1);
        } else {
            ftp1.connect(server1);
        }
        System.out.println("Connected to " + server1 + ".");

        reply = ftp1.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp1.disconnect();
            System.err.println("FTP server1 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp1.isConnected()) {
            try {
                ftp1.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server1.");
        e.printStackTrace();
        System.exit(1);
    }

    try {
        int reply;
        if (port2 > 0) {
            ftp2.connect(server2, port2);
        } else {
            ftp2.connect(server2);
        }
        System.out.println("Connected to " + server2 + ".");

        reply = ftp2.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp2.disconnect();
            System.err.println("FTP server2 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp2.isConnected()) {
            try {
                ftp2.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server2.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp1.login(username1, password1)) {
            System.err.println("Could not login to " + server1);
            break __main;
        }

        if (!ftp2.login(username2, password2)) {
            System.err.println("Could not login to " + server2);
            break __main;
        }

        // Let's just assume success for now.
        ftp2.enterRemotePassiveMode();

        ftp1.enterRemoteActiveMode(InetAddress.getByName(ftp2.getPassiveHost()), ftp2.getPassivePort());

        // Although you would think the store command should be sent to
        // server2
        // first, in reality, com.xzr.practice.util.ftp servers like wu-ftpd start accepting data
        // connections right after entering passive mode. Additionally, they
        // don't even send the positive preliminary reply until after the
        // transfer is completed (in the case of passive mode transfers).
        // Therefore, calling store first would hang waiting for a
        // preliminary
        // reply.
        if (ftp1.remoteRetrieve(file1) && ftp2.remoteStoreUnique(file2)) {
            // if(ftp1.remoteRetrieve(file1) && ftp2.remoteStore(file2)) {
            // We have to fetch the positive completion reply.
            ftp1.completePendingCommand();
            ftp2.completePendingCommand();
        } else {
            System.err.println("Couldn't initiate transfer.  Check that filenames are valid.");
            break __main;
        }

    } catch (IOException e) {
        e.printStackTrace();
        System.exit(1);
    } finally {
        try {
            if (ftp1.isConnected()) {
                ftp1.logout();
                ftp1.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }

        try {
            if (ftp2.isConnected()) {
                ftp2.logout();
                ftp2.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }
    }
}