NioDatagramChannelConfig.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.nio;

import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.socket.DatagramChannelConfig;
import io.netty.channel.socket.DefaultDatagramChannelConfig;
import io.netty.util.internal.SocketUtils;

import java.io.IOException;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.SocketOption;
import java.net.StandardSocketOptions;
import java.nio.channels.DatagramChannel;
import java.util.Enumeration;
import java.util.Map;

/**
 * The default {@link NioDatagramChannelConfig} implementation.
 */
class NioDatagramChannelConfig extends DefaultDatagramChannelConfig {
    private final DatagramChannel javaChannel;

    NioDatagramChannelConfig(NioDatagramChannel channel, DatagramChannel javaChannel) {
        super(channel, javaChannel.socket());
        this.javaChannel = javaChannel;
    }

    @Override
    public int getTimeToLive() {
        return getOption0(StandardSocketOptions.IP_MULTICAST_TTL);
    }

    @Override
    public DatagramChannelConfig setTimeToLive(int ttl) {
        setOption0(StandardSocketOptions.IP_MULTICAST_TTL, ttl);
        return this;
    }

    @Override
    public InetAddress getInterface() {
        NetworkInterface inf = getNetworkInterface();
        if (inf != null) {
            Enumeration<InetAddress> addresses = SocketUtils.addressesFromNetworkInterface(inf);
// ... (88 more lines)