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:Main.java

public static void main(String[] args) throws Exception {
    int port = 0;
    byte ttl = (byte) 1;

    byte[] data = "Here's some multicast data\r\n".getBytes();
    DatagramPacket dp = new DatagramPacket(data, data.length, InetAddress.getByName("google.com"), port);

    MulticastSocket ms = new MulticastSocket(InetSocketAddress.createUnresolved("google.com", 8080));
    ms.joinGroup(InetSocketAddress.createUnresolved("127.0.0.1", 8080), NetworkInterface.getByIndex(0));
    for (int i = 1; i < 10; i++) {
        ms.send(dp, ttl);//from  ww  w  .  j  a va2 s .c om
    }
    ms.leaveGroup(InetSocketAddress.createUnresolved("java2s.com", 8080), NetworkInterface.getByIndex(0));

    ms.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    int port = 0;
    byte ttl = (byte) 1;

    byte[] data = "Here's some multicast data\r\n".getBytes();
    DatagramPacket dp = new DatagramPacket(data, data.length, InetAddress.getByName("google.com"), port);

    MulticastSocket ms = new MulticastSocket(InetSocketAddress.createUnresolved("google.com", 8080));
    ms.joinGroup(InetSocketAddress.createUnresolved("127.0.0.1", 8080), NetworkInterface.getByIndex(0));
    for (int i = 1; i < 10; i++) {
        ms.send(dp, ttl);//from   w w w .j  a  v a2s  .  co m
    }
    ms.setInterface(InetAddress.getByName("google.com"));

    ms.close();
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    String hostname = "localhost";
    InetAddress ia = InetAddress.getByName(hostname);
    SenderThread sender = new SenderThread(ia, 1919);
    sender.start();//from w  ww  .ja v a 2s .  c o m
    Thread receiver = new ReceiverThread(sender.getSocket());
    receiver.start();
}

From source file:UdpEchoClient.java

public static void main(String[] args) {
    InetAddress address;//from  ww  w .ja  va  2s . c o  m
    try {
        address = InetAddress.getByName(args[0]);
    } catch (UnknownHostException host) {
        System.out.println(host);
        return;
    }
    DatagramPacket pack = new DatagramPacket(testString.getBytes(), testString.length(), address, 7);
    DatagramPacket incoming = new DatagramPacket(new byte[256], 256);
    DatagramSocket sock = null;
    try {
        Calendar start, end;
        sock = new DatagramSocket();
        start = Calendar.getInstance();
        sock.send(pack);
        sock.setSoTimeout(5000);
        sock.receive(incoming);
        end = Calendar.getInstance();
        String reply = new String(incoming.getData());
        reply = reply.substring(0, testString.length());
        if (reply.equals(testString)) {
            System.out.println("Success");
            System.out.println("Time = " + (end.getTime().getTime() - start.getTime().getTime()) + "mS");
        } else
            System.out.println("Reply data did not match");
    } catch (SocketException socke) {
        System.out.println(socke);
    } catch (IOException ioe) {
        System.out.println(ioe);
    } finally {
        sock.close();
    }
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    byte buff[] = new byte[1024];
    InetAddress addr = InetAddress.getByName("www.java2s.com");
    Socket s = new Socket(addr, 80);

    OutputStream output = s.getOutputStream();
    InputStream input = s.getInputStream();
    String GetCmd = "GET /index.html HTTP/1.0\r\n\r\n";
    GetCmd.getBytes(0, GetCmd.length(), buff, 0);
    output.write(buff);/*from ww w . ja  v  a  2s .co m*/
    input.read(buff, 0, buff.length);
    System.out.println(new String(buff, 0));

}

From source file:Main.java

public static void main(String args[]) {
    try {//from w  ww. ja  v  a2  s  .co m

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

        while (true) {
            byte buffer[] = new byte[BUFSIZE];

            DatagramPacket dp = new DatagramPacket(buffer, buffer.length, InetAddress.getByName("google.com"),
                    8080);

            ds.receive(dp);

            String str = new String(dp.getData());

            System.out.println(str);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String args[]) {
    try {/*from  w  w w.  j  ava2  s .c  o m*/

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

        while (true) {
            byte buffer[] = new byte[BUFSIZE];

            DatagramPacket dp = new DatagramPacket(buffer, 0, buffer.length,
                    InetAddress.getByName("google.com"), 8080);

            ds.receive(dp);

            String str = new String(dp.getData());

            System.out.println(str);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:ChatClient.java

  public static void main(String[] args) throws Exception {
  DatagramSocket s = new DatagramSocket();
  byte[] buf = new byte[1000];
  DatagramPacket dp = new DatagramPacket(buf, buf.length);

  InetAddress hostAddress = InetAddress.getByName("localhost");
  while (true) {//from   w  w w  .  ja va  2 s . c  o  m
    BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
    String outMessage = stdin.readLine();

    if (outMessage.equals("bye"))
      break;
    String outString = "Client say: " + outMessage;
    buf = outString.getBytes();

    DatagramPacket out = new DatagramPacket(buf, buf.length, hostAddress, 9999);
    s.send(out);

    s.receive(dp);
    String rcvd = "rcvd from " + dp.getAddress() + ", " + dp.getPort() + ": "
        + new String(dp.getData(), 0, dp.getLength());
    System.out.println(rcvd);
  }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {

    String serverName = System.getProperty("WHOIS_SERVER", DEFAULT_HOST);

    InetAddress server = null;//from   ww w.j a va  2s  . c  om
    server = InetAddress.getByName(serverName);
    Socket theSocket = new Socket(server, DEFAULT_PORT);
    Writer out = new OutputStreamWriter(theSocket.getOutputStream(), "8859_1");
    out.write("\r\n");
    out.flush();
    InputStream raw = theSocket.getInputStream();
    InputStream in = new BufferedInputStream(theSocket.getInputStream());
    int c;
    while ((c = in.read()) != -1)
        System.out.write(c);
}

From source file:MulticastSniffer.java

public static void main(String[] args) {

    InetAddress ia = null;/*from  w  ww .  j  ava  2s.co m*/
    byte[] buffer = new byte[65509];
    DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
    int port = 0;

    try {
        try {
            ia = InetAddress.getByName(args[0]);
        } catch (UnknownHostException e) {
            //
        }
        port = Integer.parseInt(args[1]);
    } // end try
    catch (Exception e) {
        System.err.println(e);
        System.err.println("Usage: java MulticastSniffer MulticastAddress port");
        System.exit(1);
    }

    try {
        MulticastSocket ms = new MulticastSocket(port);
        ms.joinGroup(ia);
        while (true) {
            ms.receive(dp);
            String s = new String(dp.getData(), 0, 0, dp.getLength());
            System.out.println(s);
        }
    } catch (SocketException se) {
        System.err.println(se);
    } catch (IOException ie) {
        System.err.println(ie);
    }

}