EpollServerSocketChannelConfig.java — netty Source File

Source Code

/*
 * Copyright 2014 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.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.channel.socket.ServerSocketChannelConfig;

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

public final class EpollServerSocketChannelConfig extends EpollServerChannelConfig
        implements ServerSocketChannelConfig {

    EpollServerSocketChannelConfig(EpollServerSocketChannel channel) {
        super(channel);

        // Use SO_REUSEADDR by default as java.nio does the same.
        //
        // See https://github.com/netty/netty/issues/2605
        setReuseAddress(true);
    }

    @Override
    public Map<ChannelOption<?>, Object> getOptions() {
        return getOptions(super.getOptions(), EpollChannelOption.SO_REUSEPORT, EpollChannelOption.IP_FREEBIND,
            EpollChannelOption.IP_TRANSPARENT, EpollChannelOption.TCP_DEFER_ACCEPT);
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T getOption(ChannelOption<T> option) {
        if (option == EpollChannelOption.SO_REUSEPORT) {
            return (T) Boolean.valueOf(isReusePort());
        }
        if (option == EpollChannelOption.IP_FREEBIND) {
            return (T) Boolean.valueOf(isFreeBind());
        }
        if (option == EpollChannelOption.IP_TRANSPARENT) {
            return (T) Boolean.valueOf(isIpTransparent());
        }
        if (option == EpollChannelOption.TCP_DEFER_ACCEPT) {
// ... (229 more lines)