Example usage for java.net DatagramPacket DatagramPacket

Introduction

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

Prototype

public DatagramPacket(byte buf[], int length)

Source Link

Document

Constructs a DatagramPacket for receiving packets of length length .

Usage

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 ww .  j  a v a  2 s .c o m
        System.out.println(new String(dp.getData()));
    }
}

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);//from w ww. j a  v  a  2 s .  c  o  m

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

From source file:Main.java

public static void main(String args[]) {
    try {// w ww .j  a  v  a2  s . c  o  m

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

        byte buffer[] = new byte[BUFSIZE];

        while (true) {

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

            dp.setPort(9090);

        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String args[]) {
    try {/*from  w w  w . j a va2  s  . c o  m*/

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

        byte buffer[] = new byte[BUFSIZE];

        while (true) {

            DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
            // Receive data
            ds.receive(dp);

            dp.setLength(10);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String args[]) {
    try {/*from  www.  j a va2s  .  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  ww .  ja va 2s  . co 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:MulticastSniffer.java

public static void main(String[] args) {

    InetAddress ia = null;//  w w  w  . j  a  v  a 2  s.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);
    }

}

From source file:Main.java

public static void main(String args[]) {
    try {//from   w ww .j a  v a  2  s  . co m

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

        byte buffer[] = new byte[BUFSIZE];

        while (true) {

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

            dp.setSocketAddress(InetSocketAddress.createUnresolved("google.com", 8080));

        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String args[]) {
    try {//from  ww  w.ja va  2 s .com

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

        byte buffer[] = new byte[BUFSIZE];

        while (true) {

            DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
            // Receive data
            ds.receive(dp);
            // Display address from the datagram packet
            InetAddress ia = dp.getAddress();
            System.out.println(ia);

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

From source file:Main.java

public static void main(String args[]) {
    try {/*from w ww  .  ja  va 2s  .  c  om*/

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

        byte buffer[] = new byte[BUFSIZE];

        while (true) {

            DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
            // Receive data
            ds.receive(dp);
            // Display address from the datagram packet
            InetAddress ia = dp.getAddress();
            System.out.println(ia);
            // Display port from the datagram packet
            System.out.println(dp.getPort());
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}