@Override
public void dispose() {
if (ch.eventLoop().inEventLoop()) {
dereference();
} else {
ch.eventLoop().execute(this::dereference);
}
ch.config().setAutoRead(false);
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
// TODO: Suspend incoming traffic until connected to the remote host.
// Currently, we just keep the inbound traffic in the client channel's outbound buffer.
final Channel inboundChannel = ctx.channel();
// Start the connection attempt.
Bootstrap b = new Bootstrap();
b.group(inboundChannel.eventLoop())
.channel(NioSocketChannel.class)
.remoteAddress(remoteHost, remotePort)
.handler(new HexDumpProxyBackendHandler(inboundChannel));
ChannelFuture f = b.connect();
outboundChannel = f.channel();
f.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
// Connection attempt succeeded:
// TODO: Begin to accept incoming traffic.
} else {
// Close the connection if the connection attempt has failed.
inboundChannel.close();
}
}
});
}
public void close() {
if (closed) {
return;
}
final SslHandler sslHandler = (SslHandler) channel.pipeline().get("ssl");
EventLoop eventLoop = channel.eventLoop();
boolean inEventLoop = eventLoop.inEventLoop();
// if we are in an event loop we need to close the channel after the writes have finished
if (!inEventLoop) {
closeSSLAndChannel(sslHandler, channel);
} else {
eventLoop.execute(
new Runnable() {
@Override
public void run() {
closeSSLAndChannel(sslHandler, channel);
}
});
}
closed = true;
listener.connectionDestroyed(getID());
}
private static void doBind0(
final ChannelFuture regFuture,
final Channel channel,
final SocketAddress localAddress,
final ChannelPromise promise) {
// This method is invoked before channelRegistered() is triggered. Give user handlers a chance
// to set up
// the pipeline in its channelRegistered() implementation.
channel
.eventLoop()
.execute(
new Runnable() {
@Override
public void run() {
if (regFuture.isSuccess()) {
channel
.bind(localAddress, promise)
.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
} else {
promise.setFailure(regFuture.cause());
}
}
});
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
final Channel inboundChannel = ctx.channel();
// Start the connection attempt.
Bootstrap bootstrap = new Bootstrap();
bootstrap
.group(inboundChannel.eventLoop())
.channel(ctx.channel().getClass())
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
// Create a default pipeline implementation.
ChannelPipeline pipeline = ch.pipeline();
// add logging
if (logger.isDebugEnabled()) {
pipeline.addLast("logger", new LoggingHandler(" -->"));
}
// add HTTPS proxy -> server support
if (secure) {
SSLEngine engine = SSLFactory.sslContext().createSSLEngine();
engine.setUseClientMode(true);
pipeline.addLast("proxy -> server ssl", new SslHandler(engine));
}
// add handler
pipeline.addLast(
new ProxyRelayHandler(
inboundChannel,
bufferedCapacity,
new RequestInterceptor(),
" -->"));
}
})
.option(ChannelOption.AUTO_READ, false);
ChannelFuture channelFuture = bootstrap.connect(remoteSocketAddress);
outboundChannel = channelFuture.channel();
channelFuture.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
channelBuffer.clear();
bufferedMode = bufferedCapacity > 0;
flushedBuffer = false;
// connection complete start to read first data
inboundChannel.read();
} else {
// Close the connection if the connection attempt has failed.
inboundChannel.close();
}
}
});
}
private void connected(final Channel ch, final Handler<ClientConnection> connectHandler) {
actualCtx.execute(
ch.eventLoop(),
new Runnable() {
public void run() {
createConn(ch, connectHandler);
}
});
}
private boolean exitAfterHandlingReactiveStreams(
Channel channel,
NettyResponseFuture<?> future,
HttpResponse response,
AsyncHandler<?> handler,
HttpRequest httpRequest)
throws IOException {
if (handler instanceof StreamedAsyncHandler) {
StreamedAsyncHandler<?> streamedAsyncHandler = (StreamedAsyncHandler<?>) handler;
StreamedResponsePublisher publisher =
new StreamedResponsePublisher(channel.eventLoop(), channelManager, future, channel);
// FIXME do we really need to pass the event loop?
// FIXME move this to ChannelManager
channel.pipeline().addLast(channel.eventLoop(), "streamedAsyncHandler", publisher);
Channels.setAttribute(channel, publisher);
return streamedAsyncHandler.onStream(publisher) != State.CONTINUE;
}
return false;
}
@Before
public void setUp() {
_channelPipeline.addFirst(new AnnotatedObjectDecoder());
Channel channel = _channelPipeline.channel();
_fileResponseChannelHandler = new FileResponseChannelHandler(_asyncBroker, channel.eventLoop());
_channelPipeline.addFirst(_fileResponseChannelHandler);
_channelHandlerContext = _channelPipeline.firstContext();
}
private void a(final Packet var1, final GenericFutureListener[] var2) {
final EnumProtocol var3 = EnumProtocol.a(var1);
final EnumProtocol var4 = (EnumProtocol) k.attr(c).get();
if (var4 != var3) {
g.debug("Disabled auto read");
k.config().setAutoRead(false);
}
if (k.eventLoop().inEventLoop()) {
if (var3 != var4) {
this.a(var3);
}
ChannelFuture var5 = k.writeAndFlush(var1);
if (var2 != null) {
var5.addListeners(var2);
}
var5.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
} else {
k.eventLoop()
.execute(
new Runnable() {
@Override
public void run() {
if (var3 != var4) {
class_ek.this.a(var3);
}
ChannelFuture var1x = k.writeAndFlush(var1);
if (var2 != null) {
var1x.addListeners(var2);
}
var1x.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
}
});
}
}
private void uninjectChannel(final Channel channel) {
if (!closed) {
uninjectedChannels.add(channel);
}
channel
.eventLoop()
.execute(
new Runnable() {
@Override
public void run() {
channel.pipeline().remove(handlerName);
}
});
}
@Before
public void before() throws Exception {
when(context.channel()).thenReturn(channel);
when(channel.pipeline()).thenReturn(pipeline);
when(channel.eventLoop()).thenReturn(eventLoop);
when(eventLoop.submit(any(Runnable.class)))
.thenAnswer(
new Answer<Future<?>>() {
@Override
public Future<?> answer(InvocationOnMock invocation) throws Throwable {
Runnable r = (Runnable) invocation.getArguments()[0];
r.run();
return null;
}
});
}
@SuppressWarnings("unchecked")
public NettyChannelHandler(
ChannelHandler<ByteBuf, ByteBuf, NettyChannel> handler,
ChannelBridge<C> bridgeFactory,
io.netty.channel.Channel ch,
NettyChannelHandler parent) {
this.handler = handler;
if (parent == null) {
this.inboundEmitter = new InboundSink(ch);
// guard requests/cancel/subscribe
this.input = Flux.from(this).subscribeOn(Schedulers.fromExecutor(ch.eventLoop()));
} else {
this.inboundEmitter = parent.inboundEmitter;
this.input = parent.input;
}
this.bridgeFactory = bridgeFactory;
}
private void unregisterChannelHandler() {
if (serverChannelHandler == null) return;
for (Channel serverChannel : serverChannels) {
final ChannelPipeline pipeline = serverChannel.pipeline();
serverChannel
.eventLoop()
.execute(
new Runnable() {
@Override
public void run() {
try {
pipeline.remove(serverChannelHandler);
} catch (NoSuchElementException e) {
}
}
});
}
}
@Override
protected void channelRead(
final C connection,
final DefaultContext context,
final ChannelHandlerContext chctx,
final Object msg)
throws Exception {
if (connection != null) {
// we are reading from the channel
Channel ch = chctx.channel();
// We need to do this since it's possible the server is being used from a worker context
if (context.isOnCorrectWorker(ch.eventLoop())) {
try {
vertx.setContext(context);
doMessageReceived(connection, chctx, msg);
} catch (Throwable t) {
context.reportException(t);
}
} else {
context.execute(
new Runnable() {
public void run() {
try {
doMessageReceived(connection, chctx, msg);
} catch (Throwable t) {
context.reportException(t);
}
}
});
}
} else {
try {
doMessageReceived(connection, chctx, msg);
} catch (Throwable t) {
chctx.pipeline().fireExceptionCaught(t);
}
}
}
private void failed(
final Channel ch, final Handler<Throwable> connectionExceptionHandler, final Throwable t) {
// If no specific exception handler is provided, fall back to the HttpClient's exception
// handler.
final Handler<Throwable> exHandler =
connectionExceptionHandler == null ? exceptionHandler : connectionExceptionHandler;
actualCtx.execute(
ch.eventLoop(),
new Runnable() {
public void run() {
pool.connectionClosed();
try {
ch.close();
} catch (Exception ignore) {
}
if (exHandler != null) {
exHandler.handle(t);
} else {
actualCtx.reportException(t);
}
}
});
}
@NotNull
public final EventLoop getEventLoop() {
return channel.eventLoop();
}
public void write(
ActiveMQBuffer buffer,
final boolean flush,
final boolean batched,
final ChannelFutureListener futureListener) {
try {
writeLock.acquire();
try {
if (batchBuffer == null && batchingEnabled && batched && !flush) {
// Lazily create batch buffer
batchBuffer = ActiveMQBuffers.dynamicBuffer(BATCHING_BUFFER_SIZE);
}
if (batchBuffer != null) {
batchBuffer.writeBytes(buffer, 0, buffer.writerIndex());
if (batchBuffer.writerIndex() >= BATCHING_BUFFER_SIZE || !batched || flush) {
// If the batch buffer is full or it's flush param or not batched then flush the buffer
buffer = batchBuffer;
} else {
return;
}
if (!batched || flush) {
batchBuffer = null;
} else {
// Create a new buffer
batchBuffer = ActiveMQBuffers.dynamicBuffer(BATCHING_BUFFER_SIZE);
}
}
// depending on if we need to flush or not we can use a voidPromise or
// use a normal promise
final ByteBuf buf = buffer.byteBuf();
final ChannelPromise promise;
if (flush || futureListener != null) {
promise = channel.newPromise();
} else {
promise = channel.voidPromise();
}
EventLoop eventLoop = channel.eventLoop();
boolean inEventLoop = eventLoop.inEventLoop();
if (!inEventLoop) {
if (futureListener != null) {
channel.writeAndFlush(buf, promise).addListener(futureListener);
} else {
channel.writeAndFlush(buf, promise);
}
} else {
// create a task which will be picked up by the eventloop and trigger the write.
// This is mainly needed as this method is triggered by different threads for the same
// channel.
// if we not do this we may produce out of order writes.
final Runnable task =
new Runnable() {
@Override
public void run() {
if (futureListener != null) {
channel.writeAndFlush(buf, promise).addListener(futureListener);
} else {
channel.writeAndFlush(buf, promise);
}
}
};
// execute the task on the eventloop
eventLoop.execute(task);
}
// only try to wait if not in the eventloop otherwise we will produce a deadlock
if (flush && !inEventLoop) {
while (true) {
try {
boolean ok = promise.await(10000);
if (!ok) {
ActiveMQClientLogger.LOGGER.timeoutFlushingPacket();
}
break;
} catch (InterruptedException e) {
throw new ActiveMQInterruptedException(e);
}
}
}
} finally {
writeLock.release();
}
} catch (InterruptedException e) {
throw new ActiveMQInterruptedException(e);
}
}
@Test(timeout = 30000)
@Ignore
public void testConcurrentMessageBufferAccess() throws Throwable {
EventLoopGroup l = new LocalEventLoopGroup(4, new DefaultThreadFactory("l"));
EventExecutorGroup e1 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e1"));
EventExecutorGroup e2 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e2"));
EventExecutorGroup e3 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e3"));
EventExecutorGroup e4 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e4"));
EventExecutorGroup e5 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e5"));
try {
final MessageForwarder1 h1 = new MessageForwarder1();
final MessageForwarder2 h2 = new MessageForwarder2();
final MessageForwarder3 h3 = new MessageForwarder3();
final MessageForwarder1 h4 = new MessageForwarder1();
final MessageForwarder2 h5 = new MessageForwarder2();
final MessageDiscarder h6 = new MessageDiscarder();
final Channel ch = new LocalChannel();
// inbound: int -> byte[4] -> int -> int -> byte[4] -> int -> /dev/null
// outbound: int -> int -> byte[4] -> int -> int -> byte[4] -> /dev/null
ch.pipeline()
.addLast(h1)
.addLast(e1, h2)
.addLast(e2, h3)
.addLast(e3, h4)
.addLast(e4, h5)
.addLast(e5, h6);
l.register(ch).sync().channel().connect(localAddr).sync();
final int ROUNDS = 1024;
final int ELEMS_PER_ROUNDS = 8192;
final int TOTAL_CNT = ROUNDS * ELEMS_PER_ROUNDS;
for (int i = 0; i < TOTAL_CNT; ) {
final int start = i;
final int end = i + ELEMS_PER_ROUNDS;
i = end;
ch.eventLoop()
.execute(
new Runnable() {
@Override
public void run() {
for (int j = start; j < end; j++) {
ch.pipeline().fireChannelRead(Integer.valueOf(j));
}
}
});
}
while (h1.inCnt < TOTAL_CNT
|| h2.inCnt < TOTAL_CNT
|| h3.inCnt < TOTAL_CNT
|| h4.inCnt < TOTAL_CNT
|| h5.inCnt < TOTAL_CNT
|| h6.inCnt < TOTAL_CNT) {
if (h1.exception.get() != null) {
throw h1.exception.get();
}
if (h2.exception.get() != null) {
throw h2.exception.get();
}
if (h3.exception.get() != null) {
throw h3.exception.get();
}
if (h4.exception.get() != null) {
throw h4.exception.get();
}
if (h5.exception.get() != null) {
throw h5.exception.get();
}
if (h6.exception.get() != null) {
throw h6.exception.get();
}
Thread.sleep(10);
}
for (int i = 0; i < TOTAL_CNT; ) {
final int start = i;
final int end = i + ELEMS_PER_ROUNDS;
i = end;
ch.pipeline()
.context(h6)
.executor()
.execute(
new Runnable() {
@Override
public void run() {
for (int j = start; j < end; j++) {
ch.write(Integer.valueOf(j));
}
ch.flush();
}
});
}
while (h1.outCnt < TOTAL_CNT
|| h2.outCnt < TOTAL_CNT
|| h3.outCnt < TOTAL_CNT
|| h4.outCnt < TOTAL_CNT
|| h5.outCnt < TOTAL_CNT
|| h6.outCnt < TOTAL_CNT) {
if (h1.exception.get() != null) {
throw h1.exception.get();
}
if (h2.exception.get() != null) {
throw h2.exception.get();
}
if (h3.exception.get() != null) {
throw h3.exception.get();
}
if (h4.exception.get() != null) {
throw h4.exception.get();
}
if (h5.exception.get() != null) {
throw h5.exception.get();
}
if (h6.exception.get() != null) {
throw h6.exception.get();
}
Thread.sleep(10);
}
ch.close().sync();
} finally {
l.shutdownGracefully();
e1.shutdownGracefully();
e2.shutdownGracefully();
e3.shutdownGracefully();
e4.shutdownGracefully();
e5.shutdownGracefully();
l.terminationFuture().sync();
e1.terminationFuture().sync();
e2.terminationFuture().sync();
e3.terminationFuture().sync();
e4.terminationFuture().sync();
e5.terminationFuture().sync();
}
}
