KQueueChannelConfig.java — netty Source File

Source Code

/*
 * Copyright 2016 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.kqueue;

import io.netty.buffer.ByteBufAllocator;
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 java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Map;

import static io.netty.channel.kqueue.KQueueChannelOption.RCV_ALLOC_TRANSPORT_PROVIDES_GUESS;
import static io.netty.channel.unix.Limits.SSIZE_MAX;
import static java.lang.Math.min;

public class KQueueChannelConfig extends DefaultChannelConfig {
    private volatile boolean transportProvidesGuess;
    private volatile long maxBytesPerGatheringWrite = SSIZE_MAX;

    KQueueChannelConfig(AbstractKQueueChannel channel) {
        super(channel);
    }

    KQueueChannelConfig(AbstractKQueueChannel channel, RecvByteBufAllocator recvByteBufAllocator) {
        super(channel, recvByteBufAllocator);
    }

    @Override
    @SuppressWarnings("deprecation")
    public Map<ChannelOption<?>, Object> getOptions() {
        return getOptions(super.getOptions(), RCV_ALLOC_TRANSPORT_PROVIDES_GUESS);
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T getOption(ChannelOption<T> option) {
        if (option == RCV_ALLOC_TRANSPORT_PROVIDES_GUESS) {
            return (T) Boolean.valueOf(getRcvAllocTransportProvidesGuess());
        }
        try {
// ... (147 more lines)