Motivation: if connect returns EINPROGRESS we send POLL OUT and check via socket.finishConnect if the connection is successful Modifications: -added new io_uring connect op -use a directbuffer for the socket address Result: you are able to connect to a peer
758 lines
27 KiB
Java
758 lines
27 KiB
Java
/*
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* Copyright 2020 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel.uring;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufAllocator;
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import io.netty.buffer.ByteBufUtil;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.AbstractChannel;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelConfig;
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import io.netty.channel.ChannelFuture;
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import io.netty.channel.ChannelFutureListener;
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import io.netty.channel.ChannelMetadata;
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import io.netty.channel.ChannelOutboundBuffer;
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import io.netty.channel.ChannelPipeline;
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import io.netty.channel.ChannelPromise;
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import io.netty.channel.ConnectTimeoutException;
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import io.netty.channel.DefaultChannelConfig;
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import io.netty.channel.EventLoop;
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import io.netty.channel.RecvByteBufAllocator;
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import io.netty.channel.socket.ChannelInputShutdownEvent;
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import io.netty.channel.socket.ChannelInputShutdownReadComplete;
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import io.netty.channel.socket.SocketChannelConfig;
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import io.netty.channel.unix.Buffer;
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import io.netty.channel.unix.FileDescriptor;
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import io.netty.channel.unix.NativeInetAddress;
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import io.netty.channel.unix.Socket;
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import io.netty.channel.unix.UnixChannel;
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import io.netty.channel.unix.UnixChannelUtil;
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import io.netty.util.ReferenceCountUtil;
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import io.netty.util.internal.PlatformDependent;
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import io.netty.util.internal.logging.InternalLogger;
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import io.netty.util.internal.logging.InternalLoggerFactory;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.ConnectException;
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import java.net.InetSocketAddress;
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import java.net.NoRouteToHostException;
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import java.net.SocketAddress;
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import java.nio.ByteBuffer;
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import java.nio.channels.AlreadyConnectedException;
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import java.nio.channels.ClosedChannelException;
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import java.nio.channels.ConnectionPendingException;
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import java.nio.channels.NotYetConnectedException;
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import java.nio.channels.UnresolvedAddressException;
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import java.util.concurrent.ScheduledFuture;
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import java.util.concurrent.TimeUnit;
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import static io.netty.channel.unix.Errors.*;
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import static io.netty.channel.unix.UnixChannelUtil.*;
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import static io.netty.util.internal.ObjectUtil.*;
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abstract class AbstractIOUringChannel extends AbstractChannel implements UnixChannel {
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private static final InternalLogger logger = InternalLoggerFactory.getInstance(AbstractIOUringChannel.class);
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private static final ChannelMetadata METADATA = new ChannelMetadata(false);
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final LinuxSocket socket;
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protected volatile boolean active;
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boolean uringInReadyPending;
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boolean inputClosedSeenErrorOnRead;
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static final int SOCK_ADDR_LEN = 128;
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//can only submit one write operation at a time
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private boolean writeable = true;
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/**
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* The future of the current connection attempt. If not null, subsequent connection attempts will fail.
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*/
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private ChannelPromise connectPromise;
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private ScheduledFuture<?> connectTimeoutFuture;
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private SocketAddress requestedRemoteAddress;
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private final ByteBuffer remoteAddressMemory;
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private final long remoteAddressMemoryAddress;
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private volatile SocketAddress local;
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private volatile SocketAddress remote;
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AbstractIOUringChannel(final Channel parent, LinuxSocket socket) {
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super(parent);
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this.socket = checkNotNull(socket, "fd");
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this.active = true;
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this.uringInReadyPending = false;
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if (active) {
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// Directly cache the remote and local addresses
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// See https://github.com/netty/netty/issues/2359
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this.local = socket.localAddress();
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this.remote = socket.remoteAddress();
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}
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if (parent != null) {
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logger.trace("Create Channel Socket: {}", socket.intValue());
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} else {
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logger.trace("Create Server Socket: {}", socket.intValue());
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}
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remoteAddressMemory = Buffer.allocateDirectWithNativeOrder(SOCK_ADDR_LEN);
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remoteAddressMemoryAddress = Buffer.memoryAddress(remoteAddressMemory);
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}
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AbstractIOUringChannel(final Channel parent, LinuxSocket socket, boolean active) {
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super(parent);
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this.socket = checkNotNull(socket, "fd");
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this.active = active;
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if (active) {
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this.local = socket.localAddress();
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this.remote = socket.remoteAddress();
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}
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if (parent != null) {
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logger.trace("Create Channel Socket: {}", socket.intValue());
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} else {
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logger.trace("Create Server Socket: {}", socket.intValue());
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}
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remoteAddressMemory = Buffer.allocateDirectWithNativeOrder(SOCK_ADDR_LEN);
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remoteAddressMemoryAddress = Buffer.memoryAddress(remoteAddressMemory);
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}
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AbstractIOUringChannel(Channel parent, LinuxSocket fd, SocketAddress remote) {
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super(parent);
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this.socket = checkNotNull(fd, "fd");
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this.active = true;
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// Directly cache the remote and local addresses
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// See https://github.com/netty/netty/issues/2359
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this.remote = remote;
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this.local = fd.localAddress();
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remoteAddressMemory = Buffer.allocateDirectWithNativeOrder(SOCK_ADDR_LEN);
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remoteAddressMemoryAddress = Buffer.memoryAddress(remoteAddressMemory);
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}
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public boolean isOpen() {
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return socket.isOpen();
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}
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@Override
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public boolean isActive() {
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return active;
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}
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@Override
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public ChannelMetadata metadata() {
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return METADATA;
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}
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@Override
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public FileDescriptor fd() {
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return socket;
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}
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@Override
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protected abstract AbstractUringUnsafe newUnsafe();
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@Override
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protected boolean isCompatible(final EventLoop loop) {
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return loop instanceof IOUringEventLoop;
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}
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private ByteBuf readBuffer;
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public void doReadBytes(ByteBuf byteBuf) {
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assert readBuffer == null;
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IOUringEventLoop ioUringEventLoop = (IOUringEventLoop) eventLoop();
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IOUringSubmissionQueue submissionQueue = ioUringEventLoop.getRingBuffer().getIoUringSubmissionQueue();
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unsafe().recvBufAllocHandle().attemptedBytesRead(byteBuf.writableBytes());
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if (byteBuf.hasMemoryAddress()) {
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readBuffer = byteBuf;
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submissionQueue.addRead(socket.intValue(), byteBuf.memoryAddress(),
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byteBuf.writerIndex(), byteBuf.capacity());
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submissionQueue.submit();
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}
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}
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void writeComplete(int res) {
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ChannelOutboundBuffer channelOutboundBuffer = unsafe().outboundBuffer();
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if (res > 0) {
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channelOutboundBuffer.removeBytes(res);
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setWriteable(true);
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try {
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doWrite(channelOutboundBuffer);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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void readComplete(int localReadAmount) {
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boolean close = false;
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ByteBuf byteBuf = null;
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final IOUringRecvByteAllocatorHandle allocHandle =
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(IOUringRecvByteAllocatorHandle) unsafe()
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.recvBufAllocHandle();
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final ChannelPipeline pipeline = pipeline();
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try {
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logger.trace("EventLoop Read Res: {}", localReadAmount);
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logger.trace("EventLoop Fd: {}", fd().intValue());
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setUringInReadyPending(false);
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byteBuf = this.readBuffer;
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this.readBuffer = null;
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if (localReadAmount > 0) {
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byteBuf.writerIndex(byteBuf.writerIndex() + localReadAmount);
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}
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allocHandle.lastBytesRead(localReadAmount);
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if (allocHandle.lastBytesRead() <= 0) {
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// nothing was read, release the buffer.
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byteBuf.release();
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byteBuf = null;
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close = allocHandle.lastBytesRead() < 0;
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if (close) {
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// There is nothing left to read as we received an EOF.
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shutdownInput(false);
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}
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allocHandle.readComplete();
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pipeline.fireChannelReadComplete();
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return;
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}
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allocHandle.incMessagesRead(1);
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pipeline.fireChannelRead(byteBuf);
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byteBuf = null;
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allocHandle.readComplete();
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pipeline.fireChannelReadComplete();
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logger.trace("READ autoRead {}", config().isAutoRead());
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if (config().isAutoRead()) {
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executeReadEvent();
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}
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} catch (Throwable t) {
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handleReadException(pipeline, byteBuf, t, close, allocHandle);
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}
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}
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private void handleReadException(ChannelPipeline pipeline, ByteBuf byteBuf,
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Throwable cause, boolean close,
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IOUringRecvByteAllocatorHandle allocHandle) {
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if (byteBuf != null) {
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if (byteBuf.isReadable()) {
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pipeline.fireChannelRead(byteBuf);
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} else {
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byteBuf.release();
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}
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}
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allocHandle.readComplete();
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pipeline.fireChannelReadComplete();
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pipeline.fireExceptionCaught(cause);
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if (close || cause instanceof IOException) {
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shutdownInput(false);
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} else {
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if (config().isAutoRead()) {
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executeReadEvent();
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}
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}
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}
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protected final ByteBuf newDirectBuffer(ByteBuf buf) {
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return newDirectBuffer(buf, buf);
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}
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protected final ByteBuf newDirectBuffer(Object holder, ByteBuf buf) {
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final int readableBytes = buf.readableBytes();
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if (readableBytes == 0) {
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ReferenceCountUtil.release(holder);
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return Unpooled.EMPTY_BUFFER;
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}
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final ByteBufAllocator alloc = alloc();
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if (alloc.isDirectBufferPooled()) {
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return newDirectBuffer0(holder, buf, alloc, readableBytes);
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}
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final ByteBuf directBuf = ByteBufUtil.threadLocalDirectBuffer();
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if (directBuf == null) {
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return newDirectBuffer0(holder, buf, alloc, readableBytes);
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}
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directBuf.writeBytes(buf, buf.readerIndex(), readableBytes);
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ReferenceCountUtil.safeRelease(holder);
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return directBuf;
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}
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private static ByteBuf newDirectBuffer0(Object holder, ByteBuf buf, ByteBufAllocator alloc, int capacity) {
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final ByteBuf directBuf = alloc.directBuffer(capacity);
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directBuf.writeBytes(buf, buf.readerIndex(), capacity);
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ReferenceCountUtil.safeRelease(holder);
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return directBuf;
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}
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@Override
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protected void doDisconnect() throws Exception {
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}
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@Override
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protected void doClose() throws Exception {
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if (parent() == null) {
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logger.trace("ServerSocket Close: {}", this.socket.intValue());
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IOUringEventLoop ioUringEventLoop = (IOUringEventLoop) eventLoop();
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IOUringSubmissionQueue submissionQueue = ioUringEventLoop.getRingBuffer().getIoUringSubmissionQueue();
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submissionQueue.addPollRemove(socket.intValue());
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submissionQueue.submit();
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}
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active = false;
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// Even if we allow half closed sockets we should give up on reading. Otherwise we may allow a read attempt on a
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// socket which has not even been connected yet. This has been observed to block during unit tests.
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//inputClosedSeenErrorOnRead = true;
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try {
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ChannelPromise promise = connectPromise;
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if (promise != null) {
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// Use tryFailure() instead of setFailure() to avoid the race against cancel().
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promise.tryFailure(new ClosedChannelException());
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connectPromise = null;
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}
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ScheduledFuture<?> future = connectTimeoutFuture;
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if (future != null) {
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future.cancel(false);
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connectTimeoutFuture = null;
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}
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if (isRegistered()) {
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// Need to check if we are on the EventLoop as doClose() may be triggered by the GlobalEventExecutor
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// if SO_LINGER is used.
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//
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// See https://github.com/netty/netty/issues/7159
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EventLoop loop = eventLoop();
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if (loop.inEventLoop()) {
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doDeregister();
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} else {
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loop.execute(new Runnable() {
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@Override
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public void run() {
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try {
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doDeregister();
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} catch (Throwable cause) {
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pipeline().fireExceptionCaught(cause);
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}
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}
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});
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}
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}
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} finally {
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socket.close();
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if (readBuffer != null) {
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readBuffer.release();
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readBuffer = null;
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}
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}
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}
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//deregister
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// Channel/ChannelHandlerContext.read() was called
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@Override
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protected void doBeginRead() {
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System.out.println("Begin Read");
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final AbstractUringUnsafe unsafe = (AbstractUringUnsafe) unsafe();
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if (!uringInReadyPending) {
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unsafe.executeUringReadOperator();
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}
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}
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public void executeReadEvent() {
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final AbstractUringUnsafe unsafe = (AbstractUringUnsafe) unsafe();
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unsafe.executeUringReadOperator();
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}
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@Override
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protected void doWrite(ChannelOutboundBuffer in) throws Exception {
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logger.trace("IOUring doWrite message size: {}", in.size());
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if (writeable && in.size() >= 1) {
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Object msg = in.current();
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if (msg instanceof ByteBuf) {
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doWriteBytes((ByteBuf) msg);
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}
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}
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}
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protected final void doWriteBytes(ByteBuf buf) {
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if (buf.hasMemoryAddress()) {
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//link poll<link>write operation
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addPollOut();
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IOUringEventLoop ioUringEventLoop = (IOUringEventLoop) eventLoop();
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IOUringSubmissionQueue submissionQueue = ioUringEventLoop.getRingBuffer().getIoUringSubmissionQueue();
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submissionQueue.addWrite(socket.intValue(), buf.memoryAddress(), buf.readerIndex(),
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buf.writerIndex());
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submissionQueue.submit();
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writeable = false;
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}
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}
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//POLLOUT
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private void addPollOut() {
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IOUringEventLoop ioUringEventLoop = (IOUringEventLoop) eventLoop();
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IOUringSubmissionQueue submissionQueue = ioUringEventLoop.getRingBuffer().getIoUringSubmissionQueue();
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submissionQueue.addPollOutLink(socket.intValue());
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submissionQueue.submit();
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}
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abstract class AbstractUringUnsafe extends AbstractUnsafe {
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private IOUringRecvByteAllocatorHandle allocHandle;
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private final Runnable readRunnable = new Runnable() {
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@Override
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public void run() {
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uringEventExecution(); //flush and submit SQE
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}
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};
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public void fulfillConnectPromise(ChannelPromise promise, Throwable t, SocketAddress remoteAddress) {
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Throwable cause = annotateConnectException(t, remoteAddress);
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if (promise == null) {
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// Closed via cancellation and the promise has been notified already.
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return;
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}
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// Use tryFailure() instead of setFailure() to avoid the race against cancel().
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promise.tryFailure(cause);
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closeIfClosed();
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}
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IOUringRecvByteAllocatorHandle newIOUringHandle(RecvByteBufAllocator.ExtendedHandle handle) {
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return new IOUringRecvByteAllocatorHandle(handle);
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}
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@Override
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public IOUringRecvByteAllocatorHandle recvBufAllocHandle() {
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if (allocHandle == null) {
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allocHandle = newIOUringHandle((RecvByteBufAllocator.ExtendedHandle) super.recvBufAllocHandle());
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}
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return allocHandle;
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}
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final void executeUringReadOperator() {
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if (uringInReadyPending || !isActive() || shouldBreakIoUringInReady(config())) {
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return;
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}
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uringInReadyPending = true;
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eventLoop().execute(readRunnable);
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}
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public abstract void uringEventExecution();
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@Override
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public void connect(
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final SocketAddress remoteAddress, final SocketAddress localAddress, final ChannelPromise promise) {
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if (!promise.setUncancellable() || !ensureOpen(promise)) {
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return;
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}
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try {
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if (connectPromise != null) {
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throw new ConnectionPendingException();
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}
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doConnect(remoteAddress, localAddress);
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InetSocketAddress inetSocketAddress = (InetSocketAddress) remoteAddress;
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NativeInetAddress address = NativeInetAddress.newInstance(inetSocketAddress.getAddress());
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socket.initAddress(address.address(), address.scopeId(), inetSocketAddress.getPort(),remoteAddressMemoryAddress);
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IOUringEventLoop ioUringEventLoop = (IOUringEventLoop) eventLoop();
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final IOUringSubmissionQueue ioUringSubmissionQueue =
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ioUringEventLoop.getRingBuffer().getIoUringSubmissionQueue();
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ioUringSubmissionQueue.addConnect(socket.intValue(), remoteAddressMemoryAddress, SOCK_ADDR_LEN);
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ioUringSubmissionQueue.submit();
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} catch (Throwable t) {
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closeIfClosed();
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promise.tryFailure(annotateConnectException(t, remoteAddress));
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return;
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}
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connectPromise = promise;
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requestedRemoteAddress = remoteAddress;
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// Schedule connect timeout.
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int connectTimeoutMillis = config().getConnectTimeoutMillis();
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if (connectTimeoutMillis > 0) {
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connectTimeoutFuture = eventLoop().schedule(new Runnable() {
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@Override
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public void run() {
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ChannelPromise connectPromise = AbstractIOUringChannel.this.connectPromise;
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ConnectTimeoutException cause =
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new ConnectTimeoutException("connection timed out: " + remoteAddress);
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if (connectPromise != null && connectPromise.tryFailure(cause)) {
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close(voidPromise());
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}
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}
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}, connectTimeoutMillis, TimeUnit.MILLISECONDS);
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}
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promise.addListener(new ChannelFutureListener() {
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@Override
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public void operationComplete(ChannelFuture future) throws Exception {
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if (future.isCancelled()) {
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if (connectTimeoutFuture != null) {
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connectTimeoutFuture.cancel(false);
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}
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connectPromise = null;
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close(voidPromise());
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}
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}
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});
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}
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}
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public void fulfillConnectPromise(ChannelPromise promise, boolean wasActive) {
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if (promise == null) {
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// Closed via cancellation and the promise has been notified already.
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return;
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}
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active = true;
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// Get the state as trySuccess() may trigger an ChannelFutureListener that will close the Channel.
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|
// We still need to ensure we call fireChannelActive() in this case.
|
|
boolean active = isActive();
|
|
|
|
// trySuccess() will return false if a user cancelled the connection attempt.
|
|
boolean promiseSet = promise.trySuccess();
|
|
|
|
// Regardless if the connection attempt was cancelled, channelActive() event should be triggered,
|
|
// because what happened is what happened.
|
|
if (!wasActive && active) {
|
|
pipeline().fireChannelActive();
|
|
}
|
|
|
|
// If a user cancelled the connection attempt, close the channel, which is followed by channelInactive().
|
|
if (!promiseSet) {
|
|
close(voidPromise());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected Object filterOutboundMessage(Object msg) {
|
|
if (msg instanceof ByteBuf) {
|
|
ByteBuf buf = (ByteBuf) msg;
|
|
return UnixChannelUtil.isBufferCopyNeededForWrite(buf)? newDirectBuffer(buf) : buf;
|
|
}
|
|
|
|
throw new UnsupportedOperationException("unsupported message type");
|
|
}
|
|
|
|
@Override
|
|
protected void doRegister() throws Exception {
|
|
((IOUringEventLoop) eventLoop()).add(this);
|
|
}
|
|
|
|
@Override
|
|
protected void doDeregister() throws Exception {
|
|
((IOUringEventLoop) eventLoop()).remove(this);
|
|
}
|
|
|
|
@Override
|
|
public void doBind(final SocketAddress local) throws Exception {
|
|
if (local instanceof InetSocketAddress) {
|
|
checkResolvable((InetSocketAddress) local);
|
|
}
|
|
socket.bind(local);
|
|
this.local = socket.localAddress();
|
|
}
|
|
|
|
protected static void checkResolvable(InetSocketAddress addr) {
|
|
if (addr.isUnresolved()) {
|
|
throw new UnresolvedAddressException();
|
|
}
|
|
}
|
|
|
|
public void setUringInReadyPending(boolean uringInReadyPending) {
|
|
this.uringInReadyPending = uringInReadyPending;
|
|
}
|
|
|
|
@Override
|
|
public abstract DefaultChannelConfig config();
|
|
|
|
@Override
|
|
protected SocketAddress localAddress0() {
|
|
return local;
|
|
}
|
|
|
|
@Override
|
|
protected SocketAddress remoteAddress0() {
|
|
return remote;
|
|
}
|
|
|
|
public Socket getSocket() {
|
|
return socket;
|
|
}
|
|
|
|
/**
|
|
* Connect to the remote peer
|
|
*/
|
|
protected void doConnect(SocketAddress remoteAddress, SocketAddress localAddress) throws Exception {
|
|
if (localAddress instanceof InetSocketAddress) {
|
|
checkResolvable((InetSocketAddress) localAddress);
|
|
}
|
|
|
|
InetSocketAddress remoteSocketAddr = remoteAddress instanceof InetSocketAddress
|
|
? (InetSocketAddress) remoteAddress : null;
|
|
if (remoteSocketAddr != null) {
|
|
checkResolvable(remoteSocketAddr);
|
|
}
|
|
|
|
if (remote != null) {
|
|
// Check if already connected before trying to connect. This is needed as connect(...) will not return -1
|
|
// and set errno to EISCONN if a previous connect(...) attempt was setting errno to EINPROGRESS and finished
|
|
// later.
|
|
throw new AlreadyConnectedException();
|
|
}
|
|
|
|
if (localAddress != null) {
|
|
socket.bind(localAddress);
|
|
}
|
|
}
|
|
|
|
// public void setRemote() {
|
|
// remote = remoteSocketAddr == null ?
|
|
// remoteAddress : computeRemoteAddr(remoteSocketAddr, socket.remoteAddress());
|
|
// }
|
|
|
|
private boolean doConnect0(SocketAddress remote) throws Exception {
|
|
boolean success = false;
|
|
try {
|
|
boolean connected = socket.connect(remote);
|
|
if (!connected) {
|
|
//setFlag(Native.EPOLLOUT);
|
|
}
|
|
success = true;
|
|
return connected;
|
|
} finally {
|
|
if (!success) {
|
|
doClose();
|
|
}
|
|
}
|
|
}
|
|
|
|
void shutdownInput(boolean rdHup) {
|
|
logger.trace("shutdownInput Fd: {}", this.socket.intValue());
|
|
if (!socket.isInputShutdown()) {
|
|
if (isAllowHalfClosure(config())) {
|
|
try {
|
|
socket.shutdown(true, false);
|
|
} catch (IOException ignored) {
|
|
// We attempted to shutdown and failed, which means the input has already effectively been
|
|
// shutdown.
|
|
fireEventAndClose(ChannelInputShutdownEvent.INSTANCE);
|
|
return;
|
|
} catch (NotYetConnectedException ignore) {
|
|
// We attempted to shutdown and failed, which means the input has already effectively been
|
|
// shutdown.
|
|
}
|
|
pipeline().fireUserEventTriggered(ChannelInputShutdownEvent.INSTANCE);
|
|
} else {
|
|
close(voidPromise());
|
|
}
|
|
} else if (!rdHup) {
|
|
inputClosedSeenErrorOnRead = true;
|
|
pipeline().fireUserEventTriggered(ChannelInputShutdownReadComplete.INSTANCE);
|
|
}
|
|
}
|
|
|
|
|
|
//Todo we should move it to a error class
|
|
// copy unix Errors
|
|
static void throwConnectException(String method, int err)
|
|
throws IOException {
|
|
if (err == ERROR_EALREADY_NEGATIVE) {
|
|
throw new ConnectionPendingException();
|
|
}
|
|
if (err == ERROR_ENETUNREACH_NEGATIVE) {
|
|
throw new NoRouteToHostException();
|
|
}
|
|
if (err == ERROR_EISCONN_NEGATIVE) {
|
|
throw new AlreadyConnectedException();
|
|
}
|
|
if (err == ERRNO_ENOENT_NEGATIVE) {
|
|
throw new FileNotFoundException();
|
|
}
|
|
throw new ConnectException(method + "(..) failed: ");
|
|
}
|
|
|
|
private static boolean isAllowHalfClosure(ChannelConfig config) {
|
|
return config instanceof SocketChannelConfig &&
|
|
((SocketChannelConfig) config).isAllowHalfClosure();
|
|
}
|
|
|
|
private void fireEventAndClose(Object evt) {
|
|
pipeline().fireUserEventTriggered(evt);
|
|
close(voidPromise());
|
|
}
|
|
|
|
void cancelTimeoutFuture() {
|
|
if (connectTimeoutFuture != null) {
|
|
connectTimeoutFuture.cancel(false);
|
|
}
|
|
connectPromise = null;
|
|
}
|
|
|
|
boolean doFinishConnect() throws Exception {
|
|
if (socket.finishConnect()) {
|
|
if (requestedRemoteAddress instanceof InetSocketAddress) {
|
|
remote = computeRemoteAddr((InetSocketAddress) requestedRemoteAddress, socket.remoteAddress());
|
|
}
|
|
requestedRemoteAddress = null;
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void computeRemote() {
|
|
if (requestedRemoteAddress instanceof InetSocketAddress) {
|
|
remote = computeRemoteAddr((InetSocketAddress) requestedRemoteAddress, socket.remoteAddress());
|
|
}
|
|
}
|
|
|
|
final boolean shouldBreakIoUringInReady(ChannelConfig config) {
|
|
return socket.isInputShutdown() && (inputClosedSeenErrorOnRead || !isAllowHalfClosure(config));
|
|
}
|
|
|
|
public void setWriteable(boolean writeable) {
|
|
this.writeable = writeable;
|
|
}
|
|
|
|
public long getRemoteAddressMemoryAddress() {
|
|
return remoteAddressMemoryAddress;
|
|
}
|
|
|
|
public ChannelPromise getConnectPromise() {
|
|
return connectPromise;
|
|
}
|
|
|
|
public ScheduledFuture<?> getConnectTimeoutFuture() {
|
|
return connectTimeoutFuture;
|
|
}
|
|
|
|
public SocketAddress getRequestedRemoteAddress() {
|
|
return requestedRemoteAddress;
|
|
}
|
|
}
|