import java.io.IOException;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetAddress;

import java.net.SocketException;

import java.net.UnknownHostException;

public class Send {

public static void main(String[] args) {

if(args.length != 2) {

System.out.println("Please specify send address and port");

System.out.println("Send <addr> <port>");

System.exit(1);

}

try {

InetAddress address = InetAddress.getByName(args[0]);

int port = Integer.parseInt(args[1]);

send(address, port);

} catch(UnknownHostException e) {

e.printStackTrace();

}

}

public static void send(InetAddress _addr, int _port) {

try {

byte[] magic = { 'a', 'r', 'd', 'u', 'i', 'n', 'o' };

DatagramPacket packet;

packet = new DatagramPacket(magic, magic.length, _addr, _port);

DatagramSocket socket = new DatagramSocket();

socket.send(packet);

socket.close();

System.out.println("Packet sent.");

} catch(SocketException e) {

e.printStackTrace();

} catch(IOException e) {

e.printStackTrace();

}

}

}