EpollChannelConfig.java — netty Source File

Source Code

/*
 * Copyright 2015 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.Channel;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.DefaultChannelConfig;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.channel.unix.IntegerUnixChannelOption;
import io.netty.channel.unix.RawUnixChannelOption;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Map;

import static io.netty.channel.unix.Limits.SSIZE_MAX;

public class EpollChannelConfig extends DefaultChannelConfig {

    private static final InternalLogger LOGGER = InternalLoggerFactory.getInstance(EpollChannelConfig.class);

    private volatile long maxBytesPerGatheringWrite = SSIZE_MAX;

    protected EpollChannelConfig(Channel channel) {
        super(checkAbstractEpollChannel(channel));
    }

    protected EpollChannelConfig(Channel channel, RecvByteBufAllocator recvByteBufAllocator) {
        super(checkAbstractEpollChannel(channel), recvByteBufAllocator);
    }

    protected LinuxSocket socket() {
        return ((AbstractEpollChannel) channel).socket;
    }

    private static Channel checkAbstractEpollChannel(Channel channel) {
        if (!(channel instanceof AbstractEpollChannel)) {
            throw new IllegalArgumentException("channel is not AbstractEpollChannel: " + channel.getClass());
        }
        return channel;
    }
// ... (170 more lines)