Attachment 14228 Details for Bug 13466 – Java code to reproduce the bug

Java code to reproduce the bug

udp.java (text/x-java), 2.03 KB, created by Laurent Debomy on 2018-06-08 09:50:57 UTC

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Creator: Laurent Debomy

Created: 2018-06-08 09:50:57 UTC

Size: 2.03 KB

patch

obsolete

>import java.net.DatagramPacket;
>import java.net.DatagramSocket;
>import java.net.InetAddress;
>import java.net.InetSocketAddress;
>import java.nio.charset.Charset;
>import java.nio.charset.StandardCharsets;
>import java.util.Scanner;
>
>class UdpClient
>{
>    public static void main (String args[]) throws Exception
>    {
>        Scanner scan = new Scanner(System.in);
>        System.out.print("Enter a hostname: ");
>        // host name
>        String hostname = scan.next();
>        // socket
>        DatagramSocket clientSocket = new DatagramSocket();
>        InetAddress ipAddress = InetAddress.getByName(hostname);
>        //String message = "0471001000000";
>        byte[] data = { (byte)0x7F, (byte)0xA9, (byte)0x01, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x04, (byte)0x10, (byte)0x11, (byte)0x05, (byte)0xA8, (byte)0x04, (byte)0x72, (byte)0x65, (byte)0x63, (byte)0x62, (byte)0x02, (byte)0x66, (byte)0x72, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x01 };
>        // datagram packet
>        DatagramPacket sendPacket = new DatagramPacket(data, data.length, ipAddress, 53);
>        // send the packet
>        clientSocket.send(sendPacket);
>        // set a receive timeout, 2000 milliseconds
>        // packet for receive
>        byte[] rdata = new byte[1024];
>        DatagramPacket receivePacket = new DatagramPacket(rdata, rdata.length, ipAddress, 53);
>        // wait for a response from the server
>        clientSocket.receive(receivePacket);
>        System.out.println("Host Name: " + ipAddress.getHostName());
>        System.out.println("Canonical Host Name: " + ipAddress.getCanonicalHostName());
>        System.out.println("Local Host: " + ipAddress.getLocalHost());
>        System.out.println("Loopback Address: " + ipAddress.getLoopbackAddress());
>        System.out.println("IPv4: " + ipAddress.getHostAddress());
>        String serverMessage = new String(receivePacket.getData(), 0, receivePacket.getLength());
>        System.out.println("FROM SERVER: " + serverMessage);
>    }
>}

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