Java tutorial
/* * Copyright 2012 The Netty Project * * The Netty Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package io.netty.channel.socket; import io.netty.channel.Channel; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelPromise; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.NetworkInterface; /** * A UDP/IP {@link Channel}. */ public interface DatagramChannel extends Channel { @Override DatagramChannelConfig config(); @Override InetSocketAddress localAddress(); @Override InetSocketAddress remoteAddress(); /** * Return {@code true} if the {@link DatagramChannel} is connected to the remote peer. */ boolean isConnected(); /** * Joins a multicast group and notifies the {@link ChannelFuture} once the operation completes. */ ChannelFuture joinGroup(InetAddress multicastAddress); /** * Joins a multicast group and notifies the {@link ChannelFuture} once the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture joinGroup(InetAddress multicastAddress, ChannelPromise future); /** * Joins the specified multicast group at the specified interface and notifies the {@link ChannelFuture} * once the operation completes. */ ChannelFuture joinGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface); /** * Joins the specified multicast group at the specified interface and notifies the {@link ChannelFuture} * once the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture joinGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface, ChannelPromise future); /** * Joins the specified multicast group at the specified interface and notifies the {@link ChannelFuture} * once the operation completes. */ ChannelFuture joinGroup(InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress source); /** * Joins the specified multicast group at the specified interface and notifies the {@link ChannelFuture} * once the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture joinGroup(InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress source, ChannelPromise future); /** * Leaves a multicast group and notifies the {@link ChannelFuture} once the operation completes. */ ChannelFuture leaveGroup(InetAddress multicastAddress); /** * Leaves a multicast group and notifies the {@link ChannelFuture} once the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture leaveGroup(InetAddress multicastAddress, ChannelPromise future); /** * Leaves a multicast group on a specified local interface and notifies the {@link ChannelFuture} once the * operation completes. */ ChannelFuture leaveGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface); /** * Leaves a multicast group on a specified local interface and notifies the {@link ChannelFuture} once the * operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture leaveGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface, ChannelPromise future); /** * Leave the specified multicast group at the specified interface using the specified source and notifies * the {@link ChannelFuture} once the operation completes. * */ ChannelFuture leaveGroup(InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress source); /** * Leave the specified multicast group at the specified interface using the specified source and notifies * the {@link ChannelFuture} once the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture leaveGroup(InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress source, ChannelPromise future); /** * Block the given sourceToBlock address for the given multicastAddress on the given networkInterface and notifies * the {@link ChannelFuture} once the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture block(InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress sourceToBlock); /** * Block the given sourceToBlock address for the given multicastAddress on the given networkInterface and notifies * the {@link ChannelFuture} once the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture block(InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress sourceToBlock, ChannelPromise future); /** * Block the given sourceToBlock address for the given multicastAddress and notifies the {@link ChannelFuture} once * the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture block(InetAddress multicastAddress, InetAddress sourceToBlock); /** * Block the given sourceToBlock address for the given multicastAddress and notifies the {@link ChannelFuture} once * the operation completes. * * The given {@link ChannelFuture} will be notified and also returned. */ ChannelFuture block(InetAddress multicastAddress, InetAddress sourceToBlock, ChannelPromise future); }