1 /* 2 * Copyright 2012 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the 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 import org.jboss.netty.channel.ChannelFuture; 24 25 /** 26 * A UDP/IP {@link Channel} which is created by {@link DatagramChannelFactory}. 27 * 28 * @apiviz.landmark 29 * @apiviz.composedOf org.jboss.netty.channel.socket.DatagramChannelConfig 30 */ 31 public interface DatagramChannel extends Channel { 32 DatagramChannelConfig getConfig(); 33 InetSocketAddress getLocalAddress(); 34 InetSocketAddress getRemoteAddress(); 35 36 /** 37 * Joins a multicast group. 38 */ 39 ChannelFuture joinGroup(InetAddress multicastAddress); 40 41 /** 42 * Joins the specified multicast group at the specified interface. 43 */ 44 ChannelFuture joinGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface); 45 46 /** 47 * Leaves a multicast group. 48 */ 49 ChannelFuture leaveGroup(InetAddress multicastAddress); 50 51 /** 52 * Leaves a multicast group on a specified local interface. 53 */ 54 ChannelFuture leaveGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface); 55 }