Examples with HttpObject io.netty.handler.codec.http.HttpObject used on opensource projects

Example 1 with HttpObject

use of io.netty.handler.codec.http.HttpObject in project apn-proxy by apn-proxy.

the class ApnProxyRemoteForwardHandler method channelRead.

public void channelRead(final ChannelHandlerContext remoteChannelCtx, final Object msg) throws Exception {
    LoggerUtil.debug(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY), "Remote msg", msg);
    remainMsgCount++;
    if (remainMsgCount <= 5) {
        remoteChannelCtx.read();
    }
    HttpObject ho = (HttpObject) msg;
    if (ho instanceof HttpResponse) {
        HttpResponse httpResponse = (HttpResponse) ho;
        LoggerUtil.info(forwardRestLogger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY), httpResponse.getStatus(), httpResponse.getProtocolVersion());
        httpResponse.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
        httpResponse.headers().set("Proxy-Connection", HttpHeaders.Values.KEEP_ALIVE);
    }
    if (uaChannel.isActive()) {
        uaChannel.writeAndFlush(ho).addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                LoggerUtil.debug(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY), "Write to UA finished: " + future.isSuccess());
                if (future.isSuccess()) {
                    remainMsgCount--;
                    remoteChannelCtx.read();
                    LoggerUtil.debug(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY), "Fire read again");
                } else {
                    remoteChannelCtx.close();
                }
            }
        });
    } else {
        remoteChannelCtx.close();
    }
}

Example 2 with HttpObject

use of io.netty.handler.codec.http.HttpObject in project ambry by linkedin.

the class FrontendIntegrationTest method discardContent.

/**
 * Discards all the content in {@code contents}.
 * @param contents the content to discard.
 * @param expectedDiscardCount the number of {@link HttpObject}s that are expected to discarded.
 */
private void discardContent(Queue<HttpObject> contents, int expectedDiscardCount) {
    assertEquals("Objects that will be discarded differ from expected", expectedDiscardCount, contents.size());
    boolean endMarkerFound = false;
    for (HttpObject object : contents) {
        assertFalse("There should have been no more data after the end marker was found", endMarkerFound);
        endMarkerFound = object instanceof LastHttpContent;
        ReferenceCountUtil.release(object);
    }
    assertTrue("There should have been an end marker", endMarkerFound);
}

Example 3 with HttpObject

use of io.netty.handler.codec.http.HttpObject in project ambry by linkedin.

the class FrontendIntegrationTest method getContent.

/**
 * Combines all the parts in {@code contents} into one {@link ByteBuffer}.
 * @param contents the content of the response.
 * @param expectedContentLength the length of the contents in bytes.
 * @return a {@link ByteBuffer} that contains all the data in {@code contents}.
 */
private ByteBuffer getContent(Queue<HttpObject> contents, long expectedContentLength) {
    ByteBuffer buffer = ByteBuffer.allocate((int) expectedContentLength);
    boolean endMarkerFound = false;
    for (HttpObject object : contents) {
        assertFalse("There should have been no more data after the end marker was found", endMarkerFound);
        HttpContent content = (HttpContent) object;
        buffer.put(content.content().nioBuffer());
        endMarkerFound = object instanceof LastHttpContent;
        ReferenceCountUtil.release(content);
    }
    assertEquals("Content length did not match expected", expectedContentLength, buffer.position());
    assertTrue("End marker was not found", endMarkerFound);
    buffer.flip();
    return buffer;
}

Example 4 with HttpObject

use of io.netty.handler.codec.http.HttpObject 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 5 with HttpObject

use of io.netty.handler.codec.http.HttpObject in project jocean-http by isdom.

the class DefaultHttpClientTestCase method testInitiatorMultiInteractionSuccessAsHttp.

@Test(timeout = 5000)
public void testInitiatorMultiInteractionSuccessAsHttp() throws Exception {
    // 配置 池化分配器 为 取消缓存，使用 Heap
    configDefaultAllocator();
    final PooledByteBufAllocator allocator = defaultAllocator();
    assertEquals(0, allActiveAllocationsCount(allocator));
    final BlockingQueue<HttpTrade> trades = new ArrayBlockingQueue<>(1);
    final String addr = UUID.randomUUID().toString();
    final Subscription server = TestHttpUtil.createTestServerWith(addr, trades, Feature.ENABLE_LOGGING);
    final DefaultHttpClient client = new DefaultHttpClient(new TestChannelCreator(), Feature.ENABLE_LOGGING);
    try (final HttpInitiator initiator = client.initiator().remoteAddress(new LocalAddress(addr)).build().toBlocking().single()) {
        {
            final Observable<? extends DisposableWrapper<HttpObject>> cached = initiator.defineInteraction(Observable.just(fullHttpRequest())).cache();
            cached.subscribe();
            // server side recv req
            final HttpTrade trade = trades.take();
            // recv all request
            trade.inbound().toCompletable().await();
            assertEquals(0, allActiveAllocationsCount(allocator));
            final ByteBuf svrRespContent = allocator.buffer(CONTENT.length).writeBytes(CONTENT);
            // send back resp
            trade.outbound(TestHttpUtil.buildByteBufResponse("text/plain", svrRespContent));
            // wait for recv all resp at client side
            cached.toCompletable().await();
            svrRespContent.release();
            assertTrue(Arrays.equals(dumpResponseContentAsBytes(cached.compose(RxNettys.message2fullresp(initiator))), CONTENT));
            cached.doOnNext(DISPOSE_EACH).toCompletable().await();
        }
        assertEquals(0, allActiveAllocationsCount(allocator));
        {
            final Observable<? extends DisposableWrapper<HttpObject>> cached = initiator.defineInteraction(Observable.just(fullHttpRequest())).cache();
            final Observable<HttpObject> resp2 = cached.map(DisposableWrapperUtil.<HttpObject>unwrap());
            resp2.subscribe();
            // server side recv req
            final HttpTrade trade = trades.take();
            // recv all request
            trade.inbound().toCompletable().await();
            // assertEquals(0, allActiveAllocationsCount(allocator));
            final ByteBuf svrRespContent = allocator.buffer(CONTENT.length).writeBytes(CONTENT);
            // send back resp
            trade.outbound(TestHttpUtil.buildByteBufResponse("text/plain", svrRespContent));
            // wait for recv all resp at client side
            resp2.toCompletable().await();
            svrRespContent.release();
            assertTrue(Arrays.equals(dumpResponseContentAsBytes(cached.compose(RxNettys.message2fullresp(initiator))), CONTENT));
        }
    } finally {
        assertEquals(0, allActiveAllocationsCount(allocator));
        client.close();
        server.unsubscribe();
    }
}