Example usage for java.net DatagramPacket getData

Introduction

In this page you can find the example usage for java.net DatagramPacket getData.

Prototype

public synchronized byte[] getData()

Source Link

Document

Returns the data buffer.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    DatagramSocket ds = new DatagramSocket(3000);
    byte[] buf = new byte[1024];
    DatagramPacket dp = new DatagramPacket(buf, 1024);
    ds.receive(dp);/*  w ww .  j  a  v a2s.co m*/
    String strRecv = new String(dp.getData(), 0, dp.getLength()) + " from " + dp.getAddress().getHostAddress()
            + ":" + dp.getPort();
    System.out.println(strRecv);
    ds.close();
}

From source file:DatagramReceiver.java

public static void main(String args[]) throws Exception {
    int port = Integer.parseInt(args[0]);
    DatagramSocket ds = new DatagramSocket(port);
    byte buffer[] = new byte[BUFSIZE];
    while (true) {
        DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
        ds.receive(dp);/*from  w w w .j a  v  a2 s  .  co m*/
        System.out.println(new String(dp.getData()));
    }
}

From source file:WriteServer.java

public static void main(String args[]) throws Exception {
    int clientPort = 999;

    int buffer_size = 1024;

    byte buffer[] = new byte[buffer_size];
    DatagramSocket ds = new DatagramSocket(clientPort);
    while (true) {
        DatagramPacket p = new DatagramPacket(buffer, buffer.length);
        ds.receive(p);/*from  w  w w .j a  v a2 s.c  o  m*/
        System.out.println(new String(p.getData(), 0, p.getLength()));
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    int port = 0;
    InetAddress group = InetAddress.getByName("127.0.0.1");

    MulticastSocket ms = new MulticastSocket(port);
    ms.joinGroup(group);/*w ww  .  j a v a 2 s  .  c om*/

    byte[] buffer = new byte[8192];
    while (true) {
        DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
        ms.receive(dp);
        String s = new String(dp.getData());
        System.out.println(s);
    }
    // ms.leaveGroup(group);
    // ms.close();

}

From source file:Collector.java

public static void main(String args[]) throws Exception {
    int port = Integer.parseInt(args[0]);
    DatagramSocket ds = new DatagramSocket(port);

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

        DatagramPacket dp = new DatagramPacket(buffer, buffer.length);

        ds.receive(dp);/* w  ww. j a  v  a 2s  .  co m*/

        System.out.println(new String(dp.getData()));
    }
}

From source file:Main.java

public static void main(String args[]) {
    try {// ww w  .  jav a2 s .  com
        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

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

            DatagramPacket dp = new DatagramPacket(buffer, buffer.length);

            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 ww w  . j a v a2s .  c  o  m*/

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

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

            DatagramPacket dp = new DatagramPacket(buffer, buffer.length);

            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  a va2s . com

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

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

            DatagramPacket dp = new DatagramPacket(buffer, 0, buffer.length);

            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) throws Exception {
    byte[] ary = new byte[128];
    DatagramPacket pack = new DatagramPacket(ary, 128);

    // read/*from w w  w. j  ava 2s  .  c om*/
    DatagramSocket sock = new DatagramSocket(1111);
    sock.receive(pack);
    String word = new String(pack.getData());
    System.out.println("From: " + pack.getAddress() + " Port: " + pack.getPort());
    System.out.println(word);
    sock.close();
    // write
    sock = new DatagramSocket();
    pack.setAddress(InetAddress.getByName(args[1]));
    pack.setData(args[2].getBytes());
    pack.setPort(1111);
    sock.send(pack);
    sock.close();

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    int mcPort = 12345;
    String mcIPStr = "230.1.1.1";
    MulticastSocket mcSocket = null;
    InetAddress mcIPAddress = null;
    mcIPAddress = InetAddress.getByName(mcIPStr);
    mcSocket = new MulticastSocket(mcPort);
    System.out.println("Multicast Receiver running at:" + mcSocket.getLocalSocketAddress());
    mcSocket.joinGroup(mcIPAddress);/*from  w  ww  . j ava  2 s . com*/

    DatagramPacket packet = new DatagramPacket(new byte[1024], 1024);

    System.out.println("Waiting for a  multicast message...");
    mcSocket.receive(packet);
    String msg = new String(packet.getData(), packet.getOffset(), packet.getLength());
    System.out.println("[Multicast  Receiver] Received:" + msg);

    mcSocket.leaveGroup(mcIPAddress);
    mcSocket.close();
}