io.netty5.channel.epoll.EpollChannelConfig Maven / Gradle / Ivy

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/*
 * 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.netty5.channel.epoll;

import io.netty.buffer.ByteBufAllocator;
import io.netty5.buffer.api.BufferAllocator;
import io.netty5.channel.ChannelException;
import io.netty5.channel.ChannelOption;
import io.netty5.channel.DefaultChannelConfig;
import io.netty5.channel.MessageSizeEstimator;
import io.netty5.channel.RecvBufferAllocator;
import io.netty5.channel.WriteBufferWaterMark;
import io.netty5.channel.unix.IntegerUnixChannelOption;
import io.netty5.channel.unix.RawUnixChannelOption;

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

import static io.netty5.channel.unix.Limits.SSIZE_MAX;

public class EpollChannelConfig extends DefaultChannelConfig {
    private volatile long maxBytesPerGatheringWrite = SSIZE_MAX;

    EpollChannelConfig(AbstractEpollChannel channel) {
        super(channel);
    }

    EpollChannelConfig(AbstractEpollChannel channel, RecvBufferAllocator recvBufferAllocator) {
        super(channel, recvBufferAllocator);
    }
    @SuppressWarnings("unchecked")
    @Override
    public  T getOption(ChannelOption option) {
        try {
            if (option instanceof IntegerUnixChannelOption) {
                IntegerUnixChannelOption opt = (IntegerUnixChannelOption) option;
                return (T) Integer.valueOf(((AbstractEpollChannel) channel).socket.getIntOpt(
                        opt.level(), opt.optname()));
            }
            if (option instanceof RawUnixChannelOption) {
                RawUnixChannelOption opt = (RawUnixChannelOption) option;
                ByteBuffer out = ByteBuffer.allocate(opt.length());
                ((AbstractEpollChannel) channel).socket.getRawOpt(opt.level(), opt.optname(), out);
                return (T) out.flip();
            }
        } catch (IOException e) {
            throw new ChannelException(e);
        }
        return super.getOption(option);
    }

    @Override
    public  boolean setOption(ChannelOption option, T value) {
        validate(option, value);
        try {
            if (option instanceof IntegerUnixChannelOption) {
                IntegerUnixChannelOption opt = (IntegerUnixChannelOption) option;
                ((AbstractEpollChannel) channel).socket.setIntOpt(opt.level(), opt.optname(), (Integer) value);
                return true;
            } else if (option instanceof RawUnixChannelOption) {
                RawUnixChannelOption opt = (RawUnixChannelOption) option;
                ((AbstractEpollChannel) channel).socket.setRawOpt(opt.level(), opt.optname(), (ByteBuffer) value);
                return true;
            }
        } catch (IOException e) {
            throw new ChannelException(e);
        }
        return super.setOption(option, value);
    }

    @Override
    public EpollChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
        super.setConnectTimeoutMillis(connectTimeoutMillis);
        return this;
    }

    @Override
    @Deprecated
    public EpollChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
        super.setMaxMessagesPerRead(maxMessagesPerRead);
        return this;
    }

    @Override
    public EpollChannelConfig setWriteSpinCount(int writeSpinCount) {
        super.setWriteSpinCount(writeSpinCount);
        return this;
    }

    @Override
    public EpollChannelConfig setAllocator(ByteBufAllocator allocator) {
        super.setAllocator(allocator);
        return this;
    }

    @Override
    public EpollChannelConfig setBufferAllocator(BufferAllocator bufferAllocator) {
        super.setBufferAllocator(bufferAllocator);
        return this;
    }

    @Override
    public EpollChannelConfig setRecvBufferAllocator(RecvBufferAllocator allocator) {
        super.setRecvBufferAllocator(allocator);
        return this;
    }

    @Override
    public EpollChannelConfig setAutoRead(boolean autoRead) {
        super.setAutoRead(autoRead);
        return this;
    }

    @Override
    @Deprecated
    public EpollChannelConfig setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
        super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
        return this;
    }

    @Override
    @Deprecated
    public EpollChannelConfig setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
        super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
        return this;
    }

    @Override
    public EpollChannelConfig setWriteBufferWaterMark(WriteBufferWaterMark writeBufferWaterMark) {
        super.setWriteBufferWaterMark(writeBufferWaterMark);
        return this;
    }

    @Override
    public EpollChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
        super.setMessageSizeEstimator(estimator);
        return this;
    }

    @Override
    protected final void autoReadCleared() {
        ((AbstractEpollChannel) channel).clearEpollIn();
    }

    final void setMaxBytesPerGatheringWrite(long maxBytesPerGatheringWrite) {
        this.maxBytesPerGatheringWrite = maxBytesPerGatheringWrite;
    }

    final long getMaxBytesPerGatheringWrite() {
        return maxBytesPerGatheringWrite;
    }
}