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

Example 81 with HttpContent

use of io.netty.handler.codec.http.HttpContent in project riposte by Nike-Inc.

the class HttpUtilsTest method convertContentChunksToRawBytes_returns_null_if_total_bytes_is_zero.

@Test
public void convertContentChunksToRawBytes_returns_null_if_total_bytes_is_zero() {
    // given
    Collection<HttpContent> chunkCollection = Arrays.asList(new DefaultHttpContent(new EmptyByteBuf(ByteBufAllocator.DEFAULT)), new DefaultHttpContent(new EmptyByteBuf(ByteBufAllocator.DEFAULT)));
    // when
    byte[] resultBytes = HttpUtils.convertContentChunksToRawBytes(chunkCollection);
    // then
    assertThat(resultBytes, nullValue());
}

Example 82 with HttpContent

use of io.netty.handler.codec.http.HttpContent in project riposte by Nike-Inc.

the class RequestInfoImplTest method releaseContentChunks_clear_on_chunk_list_but_does_not_release_chunks_if_contentChunksWillBeReleasedExternally_is_true.

@Test
public void releaseContentChunks_clear_on_chunk_list_but_does_not_release_chunks_if_contentChunksWillBeReleasedExternally_is_true() {
    // given
    RequestInfoImpl<?> requestInfo = RequestInfoImpl.dummyInstanceForUnknownRequests();
    requestInfo.contentChunksWillBeReleasedExternally();
    List<HttpContent> contentChunkList = Arrays.asList(mock(HttpContent.class), mock(HttpContent.class));
    requestInfo.contentChunks.addAll(contentChunkList);
    assertThat(requestInfo.contentChunks.size(), is(contentChunkList.size()));
    // when
    requestInfo.releaseContentChunks();
    // then
    for (HttpContent chunkMock : contentChunkList) {
        verify(chunkMock, never()).release();
    }
    assertThat(requestInfo.contentChunks.isEmpty(), is(true));
}

Example 83 with HttpContent

use of io.netty.handler.codec.http.HttpContent in project riposte by Nike-Inc.

the class ProcessFinalResponseOutputHandler method write.

@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
    // Deal with the final outbound HttpResponse
    if (msg instanceof HttpResponse) {
        HttpProcessingState state = ChannelAttributes.getHttpProcessingStateForChannel(ctx).get();
        if (state != null)
            state.setActualResponseObject((HttpResponse) msg);
    }
    // Deal with the final outbound body content
    if (msg instanceof HttpContent) {
        HttpProcessingState state = ChannelAttributes.getHttpProcessingStateForChannel(ctx).get();
        if (state != null && state.getResponseInfo() != null) {
            ResponseInfo<?> responseInfo = state.getResponseInfo();
            long contentBytes = ((HttpContent) msg).content().readableBytes();
            if (responseInfo.getFinalContentLength() == null)
                responseInfo.setFinalContentLength(contentBytes);
            else
                responseInfo.setFinalContentLength(responseInfo.getFinalContentLength() + contentBytes);
        }
    }
    super.write(ctx, msg, promise);
}

Example 84 with HttpContent

use of io.netty.handler.codec.http.HttpContent in project riposte by Nike-Inc.

the class ProxyRouterEndpointExecutionHandler method doChannelRead.

@Override
public PipelineContinuationBehavior doChannelRead(ChannelHandlerContext ctx, Object msg) {
    HttpProcessingState state = ChannelAttributes.getHttpProcessingStateForChannel(ctx).get();
    Endpoint<?> endpoint = state.getEndpointForExecution();
    if (shouldHandleDoChannelReadMessage(msg, endpoint)) {
        ProxyRouterProcessingState proxyRouterState = getOrCreateProxyRouterProcessingState(ctx);
        ProxyRouterEndpoint endpointProxyRouter = ((ProxyRouterEndpoint) endpoint);
        RequestInfo<?> requestInfo = state.getRequestInfo();
        if (msg instanceof HttpRequest) {
            if (requestInfo instanceof RiposteInternalRequestInfo) {
                // Tell this RequestInfo that we'll be managing the release of content chunks, so that when
                // RequestInfo.releaseAllResources() is called we don't have extra reference count removals.
                ((RiposteInternalRequestInfo) requestInfo).contentChunksWillBeReleasedExternally();
            }
            // We're supposed to start streaming. There may be pre-endpoint-execution validation logic or other work
            // that needs to happen before the endpoint is executed, so set up the CompletableFuture for the
            // endpoint call to only execute if the pre-endpoint-execution validation/work chain is successful.
            CompletableFuture<DownstreamRequestFirstChunkInfo> firstChunkFuture = state.getPreEndpointExecutionWorkChain().thenCompose(functionWithTracingAndMdc(aVoid -> endpointProxyRouter.getDownstreamRequestFirstChunkInfo(requestInfo, longRunningTaskExecutor, ctx), ctx));
            Long endpointTimeoutOverride = endpointProxyRouter.completableFutureTimeoutOverrideMillis();
            long callTimeoutValueToUse = (endpointTimeoutOverride == null) ? defaultCompletableFutureTimeoutMillis : endpointTimeoutOverride;
            // When the first chunk is ready, stream it downstream and set up what happens afterward.
            firstChunkFuture.whenComplete((downstreamRequestFirstChunkInfo, throwable) -> {
                Optional<ManualModeTask<HttpResponse>> circuitBreakerManualTask = getCircuitBreaker(downstreamRequestFirstChunkInfo, ctx).map(CircuitBreaker::newManualModeTask);
                StreamingCallback callback = new StreamingCallbackForCtx(ctx, circuitBreakerManualTask, endpointProxyRouter, requestInfo, proxyRouterState);
                if (throwable != null) {
                    // Something blew up trying to determine the first chunk info.
                    callback.unrecoverableErrorOccurred(throwable, true);
                } else if (!ctx.channel().isOpen()) {
                    // The channel was closed for some reason before we were able to start streaming.
                    String errorMsg = "The channel from the original caller was closed before we could begin the " + "downstream call.";
                    Exception channelClosedException = new RuntimeException(errorMsg);
                    runnableWithTracingAndMdc(() -> logger.warn(errorMsg), ctx).run();
                    callback.unrecoverableErrorOccurred(channelClosedException, true);
                } else {
                    try {
                        // Ok we have the first chunk info. Start by setting the downstream call info in the request
                        // info (i.e. for access logs if desired)
                        requestInfo.addRequestAttribute(DOWNSTREAM_CALL_PATH_REQUEST_ATTR_KEY, HttpUtils.extractPath(downstreamRequestFirstChunkInfo.firstChunk.uri()));
                        // Try our circuit breaker (if we have one).
                        Throwable circuitBreakerException = null;
                        try {
                            circuitBreakerManualTask.ifPresent(ManualModeTask::throwExceptionIfCircuitBreakerIsOpen);
                        } catch (Throwable t) {
                            circuitBreakerException = t;
                        }
                        if (circuitBreakerException == null) {
                            // No circuit breaker, or the breaker is closed. We can now stream the first chunk info.
                            String downstreamHost = downstreamRequestFirstChunkInfo.host;
                            int downstreamPort = downstreamRequestFirstChunkInfo.port;
                            HttpRequest downstreamRequestFirstChunk = downstreamRequestFirstChunkInfo.firstChunk;
                            boolean isSecureHttpsCall = downstreamRequestFirstChunkInfo.isHttps;
                            boolean relaxedHttpsValidation = downstreamRequestFirstChunkInfo.relaxedHttpsValidation;
                            boolean performSubSpanAroundDownstreamCall = downstreamRequestFirstChunkInfo.performSubSpanAroundDownstreamCall;
                            boolean addTracingHeadersToDownstreamCall = downstreamRequestFirstChunkInfo.addTracingHeadersToDownstreamCall;
                            // Tell the proxyRouterState about the streaming callback so that
                            // callback.unrecoverableErrorOccurred(...) can be called in the case of an error
                            // on subsequent chunks.
                            proxyRouterState.setStreamingCallback(callback);
                            // Setup the streaming channel future with everything it needs to kick off the
                            // downstream request.
                            proxyRouterState.setStreamingStartTimeNanos(System.nanoTime());
                            CompletableFuture<StreamingChannel> streamingChannel = streamingAsyncHttpClient.streamDownstreamCall(downstreamHost, downstreamPort, downstreamRequestFirstChunk, isSecureHttpsCall, relaxedHttpsValidation, callback, callTimeoutValueToUse, performSubSpanAroundDownstreamCall, addTracingHeadersToDownstreamCall, proxyRouterState, requestInfo, ctx);
                            // Tell the streaming channel future what to do when it completes.
                            streamingChannel = streamingChannel.whenComplete((sc, cause) -> {
                                if (cause == null) {
                                    // Successfully connected and sent the first chunk. We can now safely let
                                    // the remaining content chunks through for streaming.
                                    proxyRouterState.triggerChunkProcessing(sc);
                                } else {
                                    // Something blew up while connecting to the downstream server.
                                    callback.unrecoverableErrorOccurred(cause, true);
                                }
                            });
                            // Set the streaming channel future on the state so it can be connected to.
                            proxyRouterState.setStreamingChannelCompletableFuture(streamingChannel);
                        } else {
                            // Circuit breaker is tripped (or otherwise threw an unexpected exception). Immediately
                            // short circuit the error back to the client.
                            callback.unrecoverableErrorOccurred(circuitBreakerException, true);
                        }
                    } catch (Throwable t) {
                        callback.unrecoverableErrorOccurred(t, true);
                    }
                }
            });
        } else if (msg instanceof HttpContent) {
            HttpContent msgContent = (HttpContent) msg;
            // chunk-streaming behavior and subsequent cleanup for the given HttpContent.
            if (!releaseContentChunkIfStreamAlreadyFailed(msgContent, proxyRouterState)) {
                registerChunkStreamingAction(proxyRouterState, msgContent, ctx);
            }
        }
        return PipelineContinuationBehavior.DO_NOT_FIRE_CONTINUE_EVENT;
    }
    return PipelineContinuationBehavior.CONTINUE;
}

Example 85 with HttpContent

use of io.netty.handler.codec.http.HttpContent in project async-http-client by AsyncHttpClient.

the class AsyncHttpClientHandler method channelRead.

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
    Channel channel = ctx.channel();
    Object attribute = Channels.getAttribute(channel);
    try {
        if (attribute instanceof OnLastHttpContentCallback) {
            if (msg instanceof LastHttpContent) {
                ((OnLastHttpContentCallback) attribute).call();
            }
        } else if (attribute instanceof NettyResponseFuture) {
            NettyResponseFuture<?> future = (NettyResponseFuture<?>) attribute;
            future.touch();
            handleRead(channel, future, msg);
        } else if (attribute instanceof StreamedResponsePublisher) {
            StreamedResponsePublisher publisher = (StreamedResponsePublisher) attribute;
            publisher.future().touch();
            if (msg instanceof HttpContent) {
                ByteBuf content = ((HttpContent) msg).content();
                // Republish as a HttpResponseBodyPart
                if (content.isReadable()) {
                    HttpResponseBodyPart part = config.getResponseBodyPartFactory().newResponseBodyPart(content, false);
                    ctx.fireChannelRead(part);
                }
                if (msg instanceof LastHttpContent) {
                    // Remove the handler from the pipeline, this will trigger
                    // it to finish
                    ctx.pipeline().remove(publisher);
                    // Trigger a read, just in case the last read complete
                    // triggered no new read
                    ctx.read();
                    // Send the last content on to the protocol, so that it can
                    // conclude the cleanup
                    handleRead(channel, publisher.future(), msg);
                }
            } else {
                logger.info("Received unexpected message while expecting a chunk: " + msg);
                ctx.pipeline().remove(publisher);
                Channels.setDiscard(channel);
            }
        } else if (attribute != DiscardEvent.DISCARD) {
            // unhandled message
            logger.debug("Orphan channel {} with attribute {} received message {}, closing", channel, attribute, msg);
            Channels.silentlyCloseChannel(channel);
        }
    } finally {
        ReferenceCountUtil.release(msg);
    }
}