Example usage for java.net DatagramSocket DatagramSocket

Introduction

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

Prototype

public DatagramSocket(int port) throws SocketException 

Source Link

Document

Constructs a datagram socket and binds it to the specified port on the local host machine.

Usage

From source file:Main.java

public static void main(String args[]) {
    try {//from   ww  w .  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, 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  a va2s .  c  om*/

        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 {/*www  .j  a  v  a  2  s.  c  om*/

        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 {// ww w . j a v a  2s . co  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.getPort());
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

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);
            // Display port from the datagram packet
            System.out.println(dp.getPort());
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static void main(String args[]) {
    try {// ww w  . 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);

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

---

From source file:Main.java

public static void main(String args[]) {
    try {/*from  w  w  w.  ja v  a2s . 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();
    }
}

---

From source file:UDPReceive.java

public static void main(String args[]) {
    try {//  w ww  .ja  v a  2 s  .  c o m
        int port = 90;

        // Create a socket to listen on the port.
        DatagramSocket dsocket = new DatagramSocket(port);

        // Create a buffer to read datagrams into. If a
        // packet is larger than this buffer, the
        // excess will simply be discarded!
        byte[] buffer = new byte[2048];

        // Create a packet to receive data into the buffer
        DatagramPacket packet = new DatagramPacket(buffer, buffer.length);

        // Now loop forever, waiting to receive packets and printing them.
        while (true) {
            // Wait to receive a datagram
            dsocket.receive(packet);

            // Convert the contents to a string, and display them
            String msg = new String(buffer, 0, packet.getLength());
            System.out.println(packet.getAddress().getHostName() + ": " + msg);

            // Reset the length of the packet before reusing it.
            packet.setLength(buffer.length);
        }
    } catch (Exception e) {
        System.err.println(e);
    }
}

---

From source file:Main.java

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

public static void main(String args[]) {
    try {// 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);

            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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