Examples with ChannelInboundHandlerAdapter org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter used on opensource projects

Example 16 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project netty by netty.

the class SSLEngineTest method mySetupMutualAuth.

private void mySetupMutualAuth(File servertTrustCrtFile, File serverKeyFile, final File serverCrtFile, String serverKeyPassword, File clientTrustCrtFile, File clientKeyFile, File clientCrtFile, String clientKeyPassword) throws InterruptedException, SSLException {
    serverSslCtx = SslContextBuilder.forServer(serverCrtFile, serverKeyFile, serverKeyPassword).sslProvider(sslServerProvider()).trustManager(servertTrustCrtFile).ciphers(null, IdentityCipherSuiteFilter.INSTANCE).sessionCacheSize(0).sessionTimeout(0).build();
    clientSslCtx = SslContextBuilder.forClient().sslProvider(sslClientProvider()).trustManager(clientTrustCrtFile).keyManager(clientCrtFile, clientKeyFile, clientKeyPassword).ciphers(null, IdentityCipherSuiteFilter.INSTANCE).sessionCacheSize(0).sessionTimeout(0).build();
    serverConnectedChannel = null;
    sb = new ServerBootstrap();
    cb = new Bootstrap();
    sb.group(new NioEventLoopGroup(), new NioEventLoopGroup());
    sb.channel(NioServerSocketChannel.class);
    sb.childHandler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            SSLEngine engine = serverSslCtx.newEngine(ch.alloc());
            engine.setUseClientMode(false);
            engine.setNeedClientAuth(true);
            p.addLast(new SslHandler(engine));
            p.addLast(new MessageDelegatorChannelHandler(serverReceiver, serverLatch));
            p.addLast(new ChannelInboundHandlerAdapter() {

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    if (cause.getCause() instanceof SSLHandshakeException) {
                        serverException = cause.getCause();
                        serverLatch.countDown();
                    } else {
                        serverException = cause;
                        ctx.fireExceptionCaught(cause);
                    }
                }

                @Override
                public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
                    if (evt == SslHandshakeCompletionEvent.SUCCESS) {
                        try {
                            InputStream in = new FileInputStream(serverCrtFile);
                            try {
                                final byte[] cert = SslContext.X509_CERT_FACTORY.generateCertificate(in).getEncoded();
                                // Verify session
                                SSLSession session = ctx.pipeline().get(SslHandler.class).engine().getSession();
                                assertEquals(1, session.getPeerCertificates().length);
                                assertArrayEquals(cert, session.getPeerCertificates()[0].getEncoded());
                                assertEquals(1, session.getPeerCertificateChain().length);
                                assertArrayEquals(cert, session.getPeerCertificateChain()[0].getEncoded());
                                assertEquals(1, session.getLocalCertificates().length);
                                assertArrayEquals(cert, session.getLocalCertificates()[0].getEncoded());
                                assertEquals(PRINCIPAL_NAME, session.getLocalPrincipal().getName());
                                assertEquals(PRINCIPAL_NAME, session.getPeerPrincipal().getName());
                            } finally {
                                in.close();
                            }
                        } catch (Throwable cause) {
                            serverException = cause;
                        }
                    }
                }
            });
            serverConnectedChannel = ch;
        }
    });
    cb.group(new NioEventLoopGroup());
    cb.channel(NioSocketChannel.class);
    cb.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            p.addLast(clientSslCtx.newHandler(ch.alloc()));
            p.addLast(new MessageDelegatorChannelHandler(clientReceiver, clientLatch));
            p.addLast(new ChannelInboundHandlerAdapter() {

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    cause.printStackTrace();
                    if (cause.getCause() instanceof SSLHandshakeException) {
                        clientException = cause.getCause();
                        clientLatch.countDown();
                    } else {
                        ctx.fireExceptionCaught(cause);
                    }
                }
            });
        }
    });
    serverChannel = sb.bind(new InetSocketAddress(0)).sync().channel();
    int port = ((InetSocketAddress) serverChannel.localAddress()).getPort();
    ChannelFuture ccf = cb.connect(new InetSocketAddress(NetUtil.LOCALHOST, port));
    assertTrue(ccf.awaitUninterruptibly().isSuccess());
    clientChannel = ccf.channel();
}

Example 17 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project netty by netty.

the class SSLEngineTest method setupHandlers.

protected void setupHandlers(SslContext serverCtx, SslContext clientCtx) throws InterruptedException, SSLException, CertificateException {
    serverSslCtx = serverCtx;
    clientSslCtx = clientCtx;
    serverConnectedChannel = null;
    sb = new ServerBootstrap();
    cb = new Bootstrap();
    sb.group(new NioEventLoopGroup(), new NioEventLoopGroup());
    sb.channel(NioServerSocketChannel.class);
    sb.childHandler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            p.addLast(serverSslCtx.newHandler(ch.alloc()));
            p.addLast(new MessageDelegatorChannelHandler(serverReceiver, serverLatch));
            p.addLast(new ChannelInboundHandlerAdapter() {

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    if (cause.getCause() instanceof SSLHandshakeException) {
                        serverException = cause.getCause();
                        serverLatch.countDown();
                    } else {
                        ctx.fireExceptionCaught(cause);
                    }
                }
            });
            serverConnectedChannel = ch;
        }
    });
    cb.group(new NioEventLoopGroup());
    cb.channel(NioSocketChannel.class);
    cb.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            p.addLast(clientSslCtx.newHandler(ch.alloc()));
            p.addLast(new MessageDelegatorChannelHandler(clientReceiver, clientLatch));
            p.addLast(new ChannelInboundHandlerAdapter() {

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    if (cause.getCause() instanceof SSLHandshakeException) {
                        clientException = cause.getCause();
                        clientLatch.countDown();
                    } else {
                        ctx.fireExceptionCaught(cause);
                    }
                }
            });
        }
    });
    serverChannel = sb.bind(new InetSocketAddress(0)).syncUninterruptibly().channel();
    ChannelFuture ccf = cb.connect(serverChannel.localAddress());
    assertTrue(ccf.syncUninterruptibly().isSuccess());
    clientChannel = ccf.channel();
}

Example 18 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project riposte by Nike-Inc.

the class StreamingAsyncHttpClient method prepChannelForDownstreamCall.

protected void prepChannelForDownstreamCall(ChannelPool pool, Channel ch, StreamingCallback callback, Deque<Span> distributedSpanStackToUse, Map<String, String> mdcContextToUse, boolean isSecureHttpsCall, boolean relaxedHttpsValidation, boolean performSubSpanAroundDownstreamCalls, long downstreamCallTimeoutMillis, ObjectHolder<Boolean> callActiveHolder, ObjectHolder<Boolean> lastChunkSentDownstreamHolder) throws SSLException, NoSuchAlgorithmException, KeyStoreException {
    ChannelHandler chunkSenderHandler = new SimpleChannelInboundHandler<HttpObject>() {

        @Override
        protected void channelRead0(ChannelHandlerContext downstreamCallCtx, HttpObject msg) throws Exception {
            try {
                // the call is fully processed should not trigger the behavior a second time.
                if (callActiveHolder.heldObject) {
                    if (msg instanceof LastHttpContent) {
                        lastChunkSentDownstreamHolder.heldObject = true;
                        if (performSubSpanAroundDownstreamCalls) {
                            // Complete the subspan.
                            runnableWithTracingAndMdc(() -> {
                                if (distributedSpanStackToUse == null || distributedSpanStackToUse.size() < 2)
                                    Tracer.getInstance().completeRequestSpan();
                                else
                                    Tracer.getInstance().completeSubSpan();
                            }, distributedSpanStackToUse, mdcContextToUse).run();
                        }
                    }
                    HttpObject msgToPass = msg;
                    if (msg instanceof HttpResponse) {
                        // We can't pass the original HttpResponse back to the callback due to intricacies of how
                        // Netty handles determining the last chunk. If we do, and the callback ends up writing
                        // the message out to the client (which happens during proxy routing for example), then
                        // msg's headers might get modified - potentially causing this channel pipeline to
                        // never send a LastHttpContent, which will in turn cause an indefinite hang.
                        HttpResponse origHttpResponse = (HttpResponse) msg;
                        HttpResponse httpResponse = (msg instanceof FullHttpResponse) ? new DefaultFullHttpResponse(origHttpResponse.getProtocolVersion(), origHttpResponse.getStatus(), ((FullHttpResponse) msg).content()) : new DefaultHttpResponse(origHttpResponse.getProtocolVersion(), origHttpResponse.getStatus());
                        httpResponse.headers().add(origHttpResponse.headers());
                        msgToPass = httpResponse;
                    }
                    callback.messageReceived(msgToPass);
                } else {
                    if (shouldLogBadMessagesAfterRequestFinishes) {
                        runnableWithTracingAndMdc(() -> logger.warn("Received HttpObject msg when call was not active: {}", String.valueOf(msg)), distributedSpanStackToUse, mdcContextToUse).run();
                    }
                }
            } finally {
                if (msg instanceof LastHttpContent) {
                    releaseChannelBackToPoolIfCallIsActive(ch, pool, callActiveHolder, "last content chunk sent", distributedSpanStackToUse, mdcContextToUse);
                }
            }
        }
    };
    Consumer<Throwable> doErrorHandlingConsumer = (cause) -> {
        Pair<Deque<Span>, Map<String, String>> originalThreadInfo = null;
        try {
            // Setup tracing and MDC so our log messages have the correct distributed trace info, etc.
            originalThreadInfo = linkTracingAndMdcToCurrentThread(distributedSpanStackToUse, mdcContextToUse);
            // call is fully processed should not trigger the behavior a second time.
            if (callActiveHolder.heldObject) {
                if (performSubSpanAroundDownstreamCalls) {
                    if (distributedSpanStackToUse == null || distributedSpanStackToUse.size() < 2)
                        Tracer.getInstance().completeRequestSpan();
                    else
                        Tracer.getInstance().completeSubSpan();
                }
                Tracer.getInstance().unregisterFromThread();
                if (cause instanceof Errors.NativeIoException) {
                    // NativeIoExceptions are often setup to not have stack traces which is bad for debugging.
                    // Wrap it in a NativeIoExceptionWrapper that maps to a 503 since this is likely a busted
                    // connection and a second attempt should work.
                    cause = new NativeIoExceptionWrapper("Caught a NativeIoException in the downstream streaming call pipeline. Wrapped it in a " + "NativeIoExceptionWrapper so that it maps to a 503 and provides a usable stack trace " + "in the logs.", (Errors.NativeIoException) cause);
                }
                callback.unrecoverableErrorOccurred(cause, true);
            } else {
                if (cause instanceof DownstreamIdleChannelTimeoutException) {
                    logger.debug("A channel used for downstream calls will be closed because it was idle too long. " + "This is normal behavior and does not indicate a downstream call failure: {}", cause.toString());
                } else {
                    logger.warn("Received exception in downstream call pipeline after the call was finished. " + "Not necessarily anything to worry about but in case it helps debugging the " + "exception was: {}", cause.toString());
                }
            }
        } finally {
            // Mark the channel as broken so it will be closed and removed from the pool when it is returned.
            markChannelAsBroken(ch);
            // Release it back to the pool if possible/necessary so the pool can do its usual cleanup.
            releaseChannelBackToPoolIfCallIsActive(ch, pool, callActiveHolder, "error received in downstream pipeline: " + cause.toString(), distributedSpanStackToUse, mdcContextToUse);
            // No matter what the cause is we want to make sure the channel is closed. Doing this raw ch.close()
            // here will catch the cases where this channel does not have an active call but still needs to be
            // closed (e.g. an idle channel timeout that happens in-between calls).
            ch.close();
            // Unhook the tracing and MDC stuff from this thread now that we're done.
            unlinkTracingAndMdcFromCurrentThread(originalThreadInfo);
        }
    };
    ChannelHandler errorHandler = new ChannelInboundHandlerAdapter() {

        @Override
        public void exceptionCaught(ChannelHandlerContext downstreamCallCtx, Throwable cause) throws Exception {
            doErrorHandlingConsumer.accept(cause);
        }

        @Override
        public void channelInactive(ChannelHandlerContext ctx) throws Exception {
            if (logger.isDebugEnabled()) {
                runnableWithTracingAndMdc(() -> logger.debug("Downstream channel closing. call_active={}, last_chunk_sent_downstream={}, channel_id={}", callActiveHolder.heldObject, lastChunkSentDownstreamHolder.heldObject, ctx.channel().toString()), distributedSpanStackToUse, mdcContextToUse).run();
            }
            // We only care if the channel was closed while the call was active.
            if (callActiveHolder.heldObject)
                doErrorHandlingConsumer.accept(new DownstreamChannelClosedUnexpectedlyException(ch));
            super.channelInactive(ctx);
        }
    };
    // Set up the HTTP client pipeline.
    ChannelPipeline p = ch.pipeline();
    List<String> registeredHandlerNames = p.names();
    // couldn't be removed at that time because it wasn't in the channel's eventLoop.
    if (registeredHandlerNames.contains(DOWNSTREAM_IDLE_CHANNEL_TIMEOUT_HANDLER_NAME)) {
        ChannelHandler idleHandler = p.get(DOWNSTREAM_IDLE_CHANNEL_TIMEOUT_HANDLER_NAME);
        if (idleHandler != null)
            p.remove(idleHandler);
    }
    if (debugChannelLifecycleLoggingEnabled && !registeredHandlerNames.contains(DEBUG_LOGGER_HANDLER_NAME)) {
        // Add the channel debug logger if desired.
        p.addFirst(DEBUG_LOGGER_HANDLER_NAME, new LoggingHandler(DOWNSTREAM_CLIENT_CHANNEL_DEBUG_LOGGER_NAME, LogLevel.DEBUG));
    }
    // Add/replace a downstream call timeout detector.
    addOrReplacePipelineHandler(new DownstreamIdleChannelTimeoutHandler(downstreamCallTimeoutMillis, () -> callActiveHolder.heldObject, true, "StreamingAsyncHttpClientChannel-call-timeout", distributedSpanStackToUse, mdcContextToUse), DOWNSTREAM_CALL_TIMEOUT_HANDLER_NAME, p, registeredHandlerNames);
    if (isSecureHttpsCall) {
        // SSL call. Make sure we add the SSL handler if necessary.
        if (!registeredHandlerNames.contains(SSL_HANDLER_NAME)) {
            if (clientSslCtx == null) {
                if (relaxedHttpsValidation) {
                    clientSslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
                } else {
                    TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
                    tmf.init((KeyStore) null);
                    clientSslCtx = SslContextBuilder.forClient().trustManager(tmf).build();
                }
            }
            p.addAfter(DOWNSTREAM_CALL_TIMEOUT_HANDLER_NAME, SSL_HANDLER_NAME, clientSslCtx.newHandler(ch.alloc()));
        }
    } else {
        // Not an SSL call. Remove the SSL handler if it's there.
        if (registeredHandlerNames.contains(SSL_HANDLER_NAME))
            p.remove(SSL_HANDLER_NAME);
    }
    // The HttpClientCodec handler deals with HTTP codec stuff so you don't have to. Set it up if it hasn't already
    // been setup, and inspect it to make sure it's in a "ready to handle a new request" state. Some rare
    // and currently unknown edgecases can cause us to hit this point with the HttpClientCodec in an unclean
    // state, and if we barrel forward without cleaning this up the call will fail.
    boolean pipelineContainsHttpClientCodec = registeredHandlerNames.contains(HTTP_CLIENT_CODEC_HANDLER_NAME);
    boolean existingHttpClientCodecIsInBadState = false;
    if (pipelineContainsHttpClientCodec) {
        HttpClientCodec currentCodec = (HttpClientCodec) p.get(HTTP_CLIENT_CODEC_HANDLER_NAME);
        int currentHttpClientCodecInboundState = determineHttpClientCodecInboundState(currentCodec);
        if (currentHttpClientCodecInboundState != 0) {
            runnableWithTracingAndMdc(() -> logger.warn("HttpClientCodec inbound state was not 0. It will be replaced with a fresh HttpClientCodec. " + "bad_httpclientcodec_inbound_state={}", currentHttpClientCodecInboundState), distributedSpanStackToUse, mdcContextToUse).run();
            existingHttpClientCodecIsInBadState = true;
        } else {
            int currentHttpClientCodecOutboundState = determineHttpClientCodecOutboundState(currentCodec);
            if (currentHttpClientCodecOutboundState != 0) {
                runnableWithTracingAndMdc(() -> logger.warn("HttpClientCodec outbound state was not 0. It will be replaced with a fresh HttpClientCodec. " + "bad_httpclientcodec_outbound_state={}", currentHttpClientCodecOutboundState), distributedSpanStackToUse, mdcContextToUse).run();
                existingHttpClientCodecIsInBadState = true;
            }
        }
    }
    // or replace it if it was in a bad state.
    if (!pipelineContainsHttpClientCodec || existingHttpClientCodecIsInBadState) {
        addOrReplacePipelineHandler(new HttpClientCodec(4096, 8192, 8192, true), HTTP_CLIENT_CODEC_HANDLER_NAME, p, registeredHandlerNames);
    }
    // Update the chunk sender handler and error handler to the newly created versions that know about the correct
    // callback, dtrace info, etc to use for this request.
    addOrReplacePipelineHandler(chunkSenderHandler, CHUNK_SENDER_HANDLER_NAME, p, registeredHandlerNames);
    addOrReplacePipelineHandler(errorHandler, ERROR_HANDLER_NAME, p, registeredHandlerNames);
}

Example 19 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project baseio by generallycloud.

the class TestLoadEchoClient1 method prepare.

@Override
public void prepare() throws Exception {
    eventHandleAdaptor = new ChannelInboundHandlerAdapter() {

        @Override
        public void channelRead(ChannelHandlerContext ctx, Object msg) {
            // System.out.println("_________________"+msg);
            // ctx.write(msg);
            addCount(1);
        }
    };
    Bootstrap b = new Bootstrap();
    b.group(group);
    b.channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, false);
    b.handler(new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline pipeline = ch.pipeline();
            pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
            pipeline.addLast("frameEncoder", new LengthFieldPrepender(4));
            pipeline.addLast("decoder", new StringDecoder(CharsetUtil.UTF_8));
            pipeline.addLast("encoder", new StringEncoder(CharsetUtil.UTF_8));
            pipeline.addLast("handler", eventHandleAdaptor);
        }
    });
    f = b.connect("localhost", 5656).sync();
}

Example 20 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project jocean-http by isdom.

the class ChannelTestCase method testChannelInactiveForInactiveChannel.

@Test
public final void testChannelInactiveForInactiveChannel() throws InterruptedException {
    final EmbeddedChannel channel = new EmbeddedChannel();
    channel.disconnect().syncUninterruptibly();
    assertTrue(!channel.isActive());
    final AtomicBoolean isInactiveCalled = new AtomicBoolean(false);
    channel.pipeline().addLast(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelInactive(final ChannelHandlerContext ctx) throws Exception {
            isInactiveCalled.set(true);
        }
    });
    Thread.currentThread().sleep(1000);
    assertFalse(isInactiveCalled.get());
}