EpollDatagramChannelConfig.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.epoll;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.FixedRecvByteBufAllocator;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.channel.socket.DatagramChannelConfig;
import io.netty.util.internal.ObjectUtil;

import java.io.IOException;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Map;

public final class EpollDatagramChannelConfig extends EpollChannelConfig implements DatagramChannelConfig {
    private boolean activeOnOpen;
    private volatile int maxDatagramSize;

    EpollDatagramChannelConfig(EpollDatagramChannel channel) {
        super(channel, new FixedRecvByteBufAllocator(2048));
    }

    @Override
    @SuppressWarnings("deprecation")
    public Map<ChannelOption<?>, Object> getOptions() {
        return getOptions(
                super.getOptions(),
                ChannelOption.SO_BROADCAST, ChannelOption.SO_RCVBUF, ChannelOption.SO_SNDBUF,
                ChannelOption.SO_REUSEADDR, ChannelOption.IP_MULTICAST_LOOP_DISABLED,
                ChannelOption.IP_MULTICAST_ADDR, ChannelOption.IP_MULTICAST_IF, ChannelOption.IP_MULTICAST_TTL,
                ChannelOption.IP_TOS, ChannelOption.DATAGRAM_CHANNEL_ACTIVE_ON_REGISTRATION,
                EpollChannelOption.SO_REUSEPORT, EpollChannelOption.IP_FREEBIND, EpollChannelOption.IP_TRANSPARENT,
                EpollChannelOption.IP_RECVORIGDSTADDR, EpollChannelOption.MAX_DATAGRAM_PAYLOAD_SIZE,
                EpollChannelOption.UDP_GRO, EpollChannelOption.IP_MULTICAST_ALL);
    }

    @SuppressWarnings({ "unchecked", "deprecation" })
    @Override
    public <T> T getOption(ChannelOption<T> option) {
        if (option == ChannelOption.SO_BROADCAST) {
            return (T) Boolean.valueOf(isBroadcast());
// ... (537 more lines)