--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/myVncClient/BroadCast.java	Tue Nov 22 14:02:49 2011 +0900
@@ -0,0 +1,57 @@
+package myVncClient;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.UnknownHostException;
+
+public class BroadCast implements Runnable {
+	final int BUFSIZE = 1024;
+	final String MCASTADDR = "224.0.0.1";
+	final int PORT = 8183;
+	private byte[] buf = new byte[BUFSIZE];
+	private InetAddress mAddr;
+	private MulticastSocket soc;
+	private String str;
+
+	public BroadCast(String _str) {
+		str = _str;
+	}
+
+	void createSocket() {
+		try {
+			mAddr = InetAddress.getByName(MCASTADDR);
+			soc = new MulticastSocket();
+			soc.setTimeToLive(1);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+	void sendData() {
+		buf = str.getBytes();
+		// System.out.println("strlen"+str.length());
+		// System.out.println("str"+str);
+		DatagramPacket sendPacket = new DatagramPacket(buf, str.length(),
+				mAddr, PORT);
+		try {
+			soc.send(sendPacket);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+	@Override
+	public void run() {
+		createSocket();
+		while (true) {
+			sendData();
+			try {
+				Thread.sleep(2000);
+			} catch (InterruptedException e) {
+				System.out.println(e);
+			}
+		}
+	}
+}