Example usage for java.net DatagramSocket receive

Introduction

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

Prototype

public synchronized void receive(DatagramPacket p) throws IOException 

Source Link

Document

Receives a datagram packet from this socket.

Usage

From source file:Main.java

public static void main(String args[]) {
    try {/*from  ww w . j  a v  a  2 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);
            // Display address from the datagram packet
            InetAddress ia = dp.getAddress();
            System.out.println(ia);

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

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From source file:Main.java

public static void main(String args[]) {
    try {/*  w w  w. j  a  v a2s.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);

            dp.setData(buffer);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:Main.java

public static void main(String args[]) {
    try {// w w w. j a  v a 2  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);
            // Display address from the datagram packet
            InetAddress ia = dp.getAddress();
            System.out.println(ia);

            dp.setSocketAddress(InetSocketAddress.createUnresolved("google.com", 8080));
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:Main.java

public static void main(String args[]) {
    try {//from www .  j  a  v  a 2 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);
            // Display address from the datagram packet
            InetAddress ia = dp.getAddress();
            System.out.println(ia);

            buffer = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };

            dp.setData(buffer, 2, 5);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:UdpEchoClient.java

public static void main(String[] args) {
    InetAddress address;//from w  ww .  ja  v  a 2  s.  com
    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:Main.java

public static void main(String args[]) {
    try {//from  w w w .ja  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, InetAddress.getByName("google.com"),
                    8080);

            ds.receive(dp);

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

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

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From source file:GetDate.java

public static void main(String args[]) throws Exception {
    byte msg[] = new byte[256];
    DatagramSocket dgSocket = new DatagramSocket();
    InetAddress destination = InetAddress.getByName("web.mit.edu");
    DatagramPacket datagram = new DatagramPacket(msg, msg.length, destination, PortDayTime);
    dgSocket.send(datagram);/*from   w  w  w  . j  a  v a 2s. c  o  m*/
    datagram = new DatagramPacket(msg, msg.length);
    dgSocket.receive(datagram);
    String received = new String(datagram.getData());
    System.out.println("The time in Cambridge is now: " + received);
    dgSocket.close();
}

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From source file:Main.java

public static void main(String args[]) {
    try {//from w  w w.  j av a2 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:Main.java

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

        int port = 80;

        DatagramSocket ds = new DatagramSocket(port);

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

            DatagramPacket dp = new DatagramPacket(buffer, buffer.length,
                    InetSocketAddress.createUnresolved("google.com", 8080));

            ds.receive(dp);

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

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

---

From source file:UdpEchoServer.java

public static void main(String[] args) {
    DatagramSocket sock;
    DatagramPacket pack = new DatagramPacket(new byte[BUFFERSIZE], BUFFERSIZE);
    try {/*from  w ww.j ava 2 s.  com*/
        sock = new DatagramSocket(7);
    } catch (SocketException e) {
        System.out.println(e);
        return;
    }
    // echo back everything
    while (true) {
        try {
            sock.receive(pack);
            sock.send(pack);
        } catch (IOException ioe) {
            System.out.println(ioe);
        }
    }
}

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