DatagramChannel.java — netty Source File

Source Code

/*
 * 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:
 *
 *   https://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);

    /**
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