1 /*
2 * Copyright 2009 Red Hat, Inc.
3 *
4 * Red Hat licenses this file to you under the Apache License, version 2.0
5 * (the "License"); you may not use this file except in compliance with the
6 * License. You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package org.jboss.netty.channel.socket;
17
18 import java.net.InetAddress;
19 import java.net.InetSocketAddress;
20 import java.net.NetworkInterface;
21
22 import org.jboss.netty.channel.Channel;
23
24 /**
25 * A UDP/IP {@link Channel} which is created by {@link DatagramChannelFactory}.
26 *
27 * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
28 * @author <a href="http://gleamynode.net/">Trustin Lee</a>
29 *
30 * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
31 *
32 * @apiviz.landmark
33 * @apiviz.composedOf org.jboss.netty.channel.socket.DatagramChannelConfig
34 */
35 public interface DatagramChannel extends Channel {
36 DatagramChannelConfig getConfig();
37 InetSocketAddress getLocalAddress();
38 InetSocketAddress getRemoteAddress();
39
40 /**
41 * Joins a multicast group.
42 */
43 void joinGroup(InetAddress multicastAddress);
44
45 /**
46 * Joins the specified multicast group at the specified interface.
47 */
48 void joinGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface);
49
50 /**
51 * Leaves a multicast group.
52 */
53 void leaveGroup(InetAddress multicastAddress);
54
55 /**
56 * Leaves a multicast group on a specified local interface.
57 */
58 void leaveGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface);
59 }