Java MulticastSocket .setTimeToLive (int ttl)
Syntax
MulticastSocket.setTimeToLive(int ttl) has the following syntax.
public void setTimeToLive(int ttl) throws IOException
Example
In the following code shows how to use MulticastSocket.setTimeToLive(int ttl) method.
//from w w w . j ava2 s. c om
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.MulticastSocket;
import java.net.NetworkInterface;
public class Main {
public static void main(String[] args) throws Exception {
int port = 0;
byte ttl = (byte) 1;
byte[] data = "Here's some multicast data\r\n".getBytes();
DatagramPacket dp = new DatagramPacket(data, data.length, InetAddress.getByName("google.com"), port);
MulticastSocket ms = new MulticastSocket(InetSocketAddress.createUnresolved("google.com", 8080));
ms.joinGroup(InetSocketAddress.createUnresolved("127.0.0.1",8080),NetworkInterface.getByIndex(0));
for (int i = 1; i < 10; i++) {
ms.send(dp, ttl);
}
ms.setTimeToLive(1000);
ms.close();
}
}