Java MulticastSocket .getNetworkInterface ()
Syntax
MulticastSocket.getNetworkInterface() has the following syntax.
public NetworkInterface getNetworkInterface() throws SocketException
Example
In the following code shows how to use MulticastSocket.getNetworkInterface() method.
/* w w w.j a v a 2s. c om*/
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.MulticastSocket;
public class Main {
public static void main(String[] args) throws Exception {
int port = 0;
byte ttl = (byte) 1;
InetAddress ia = InetAddress.getByName("127.0.0.1");
byte[] data = "Here's some multicast data\r\n".getBytes();
DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);
MulticastSocket ms = new MulticastSocket(InetSocketAddress.createUnresolved("java2s.com", 8080));
ms.joinGroup(ia);
for (int i = 1; i < 10; i++) {
ms.send(dp, ttl);
}
ms.leaveGroup(ia);
System.out.println(ms.getNetworkInterface().getDisplayName());
ms.close();
}
}