AbstractNioByteChannel.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.nio;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.ChannelConfig;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelMetadata;
import io.netty.channel.ChannelOutboundBuffer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.FileRegion;
import io.netty.channel.IoRegistration;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.internal.ChannelUtils;
import io.netty.channel.socket.ChannelInputShutdownEvent;
import io.netty.channel.socket.ChannelInputShutdownReadComplete;
import io.netty.channel.socket.SocketChannelConfig;
import io.netty.util.LeakPresenceDetector;
import io.netty.util.internal.StringUtil;

import java.io.IOException;
import java.nio.channels.SelectableChannel;
import java.nio.channels.SelectionKey;

import static io.netty.channel.internal.ChannelUtils.WRITE_STATUS_SNDBUF_FULL;
import static io.netty.util.internal.StringUtil.className;

/**
 * {@link AbstractNioChannel} base class for {@link Channel}s that operate on bytes.
 */
public abstract class AbstractNioByteChannel extends AbstractNioChannel {
    private static final ChannelMetadata METADATA = new ChannelMetadata(false, 16);
    private static final String EXPECTED_TYPES =
            " (expected: " + StringUtil.simpleClassName(ByteBuf.class) + ", " +
            StringUtil.simpleClassName(FileRegion.class) + ')';

    private final Runnable flushTask = new Runnable() {
        @Override
        public void run() {
            // Calling flush0 directly to ensure we not try to flush messages that were added via write(...) in the
            // meantime.
            ((AbstractNioUnsafe) unsafe()).flush0();
        }
    };
    private boolean inputClosedSeenErrorOnRead;
// ... (298 more lines)