Examples with StreamingHttpServiceFilterFactory io.servicetalk.http.api.StreamingHttpServiceFilterFactory used on opensource projects

Example 1 with StreamingHttpServiceFilterFactory

use of io.servicetalk.http.api.StreamingHttpServiceFilterFactory in project servicetalk by apple.

the class ErrorHandlingTest method setUp.

private void setUp(TestMode testMode, GrpcExecutionStrategy serverStrategy, GrpcExecutionStrategy clientStrategy) throws Exception {
    this.testMode = testMode;
    cannedResponse = TestResponse.newBuilder().setMessage("foo").build();
    ServiceFactory serviceFactory;
    StreamingHttpServiceFilterFactory serviceFilterFactory = IDENTITY_FILTER;
    StreamingHttpClientFilterFactory clientFilterFactory = IDENTITY_CLIENT_FILTER;
    Publisher<TestRequest> requestPublisher = from(TestRequest.newBuilder().build());
    switch(testMode) {
        case HttpClientFilterThrows:
            clientFilterFactory = new ErrorProducingClientFilter(true, DELIBERATE_EXCEPTION);
            serviceFactory = setupForSuccess();
            break;
        case HttpClientFilterThrowsGrpcException:
            clientFilterFactory = new ErrorProducingClientFilter(true, cannedException);
            serviceFactory = setupForSuccess();
            break;
        case HttpClientFilterEmitsError:
            clientFilterFactory = new ErrorProducingClientFilter(false, DELIBERATE_EXCEPTION);
            serviceFactory = setupForSuccess();
            break;
        case HttpClientFilterEmitsGrpcException:
            clientFilterFactory = new ErrorProducingClientFilter(false, cannedException);
            serviceFactory = setupForSuccess();
            break;
        case HttpFilterThrows:
            serviceFilterFactory = new ErrorProducingSvcFilter(true, DELIBERATE_EXCEPTION);
            serviceFactory = setupForSuccess();
            break;
        case HttpFilterThrowsGrpcException:
            serviceFilterFactory = new ErrorProducingSvcFilter(true, cannedException);
            serviceFactory = setupForSuccess();
            break;
        case HttpFilterEmitsError:
            serviceFilterFactory = new ErrorProducingSvcFilter(false, DELIBERATE_EXCEPTION);
            serviceFactory = setupForSuccess();
            break;
        case HttpFilterEmitsGrpcException:
            serviceFilterFactory = new ErrorProducingSvcFilter(false, cannedException);
            serviceFactory = setupForSuccess();
            break;
        case ServiceThrows:
            serviceFactory = setupForServiceThrows(DELIBERATE_EXCEPTION);
            break;
        case ServiceThrowsGrpcException:
            serviceFactory = setupForServiceThrows(cannedException);
            break;
        case ServiceOperatorThrows:
            serviceFactory = setupForServiceOperatorThrows(DELIBERATE_EXCEPTION);
            break;
        case ServiceOperatorThrowsGrpcException:
            serviceFactory = setupForServiceOperatorThrows(cannedException);
            break;
        case ServiceSecondOperatorThrowsGrpcException:
            serviceFactory = setupForServiceSecondOperatorThrows(cannedException);
            requestPublisher = from(TestRequest.newBuilder().build(), TestRequest.newBuilder().setName(REQ_THROW_NAME).build());
            break;
        case ServiceEmitsError:
            serviceFactory = setupForServiceEmitsError(DELIBERATE_EXCEPTION);
            break;
        case ServiceEmitsGrpcException:
            serviceFactory = setupForServiceEmitsError(cannedException);
            break;
        case ServiceEmitsDataThenError:
            serviceFactory = setupForServiceEmitsDataThenError(DELIBERATE_EXCEPTION);
            break;
        case ServiceEmitsDataThenGrpcException:
            serviceFactory = setupForServiceEmitsDataThenError(cannedException);
            break;
        case BlockingServiceThrows:
            serviceFactory = setupForBlockingServiceThrows(DELIBERATE_EXCEPTION);
            break;
        case BlockingServiceThrowsGrpcException:
            serviceFactory = setupForBlockingServiceThrows(cannedException);
            break;
        case BlockingServiceWritesThenThrows:
            serviceFactory = setupForBlockingServiceWritesThenThrows(DELIBERATE_EXCEPTION);
            break;
        case BlockingServiceWritesThenThrowsGrpcException:
            serviceFactory = setupForBlockingServiceWritesThenThrows(cannedException);
            break;
        default:
            throw new IllegalArgumentException("Unknown mode: " + testMode);
    }
    this.requestPublisher = requestPublisher;
    final StreamingHttpServiceFilterFactory filterFactory = serviceFilterFactory;
    serverContext = GrpcServers.forAddress(localAddress(0)).initializeHttp(builder -> builder.appendServiceFilter(filterFactory).executionStrategy(serverStrategy)).listenAndAwait(serviceFactory);
    final StreamingHttpClientFilterFactory pickedClientFilterFactory = clientFilterFactory;
    GrpcClientBuilder<HostAndPort, InetSocketAddress> clientBuilder = GrpcClients.forAddress(serverHostAndPort(serverContext)).initializeHttp(builder -> builder.appendClientFilter(pickedClientFilterFactory).executionStrategy(clientStrategy));
    client = clientBuilder.build(new ClientFactory());
    blockingClient = clientBuilder.buildBlocking(new ClientFactory());
}

Example 2 with StreamingHttpServiceFilterFactory

use of io.servicetalk.http.api.StreamingHttpServiceFilterFactory in project servicetalk by apple.

the class H2PriorKnowledgeFeatureParityTest method bindHttpEchoServer.

private InetSocketAddress bindHttpEchoServer(@Nullable StreamingHttpServiceFilterFactory filterFactory, @Nullable CountDownLatch connectionOnClosingLatch) throws Exception {
    HttpServerBuilder serverBuilder = HttpServers.forAddress(localAddress(0)).protocols(h2PriorKnowledge ? h2Default() : h1Default());
    if (filterFactory != null) {
        serverBuilder.appendServiceFilter(filterFactory);
    }
    if (connectionOnClosingLatch != null) {
        serverBuilder.appendConnectionAcceptorFilter(original -> new DelegatingConnectionAcceptor(original) {

            @Override
            public Completable accept(final ConnectionContext context) {
                ((NettyConnectionContext) context).onClosing().whenFinally(connectionOnClosingLatch::countDown).subscribe();
                return completed();
            }
        });
    }
    h1ServerContext = serverBuilder.listenStreaming((ctx, request, responseFactory) -> {
        StreamingHttpResponse resp;
        if (request.headers().contains(EXPECT, CONTINUE)) {
            if (request.headers().contains(EXPECT_FAIL_HEADER)) {
                return succeeded(responseFactory.expectationFailed());
            } else {
                resp = responseFactory.continueResponse();
            }
        } else {
            resp = responseFactory.ok();
        }
        resp = resp.transformMessageBody(pub -> pub.ignoreElements().merge(request.messageBody())).transform(new StatelessTrailersTransformer<>());
        CharSequence contentType = request.headers().get(CONTENT_TYPE);
        if (contentType != null) {
            resp.setHeader(CONTENT_TYPE, contentType);
        }
        CharSequence contentLength = request.headers().get(CONTENT_LENGTH);
        if (contentLength != null) {
            resp.setHeader(CONTENT_LENGTH, contentLength);
        }
        CharSequence transferEncoding = request.headers().get(TRANSFER_ENCODING);
        if (transferEncoding != null) {
            resp.setHeader(TRANSFER_ENCODING, transferEncoding);
        }
        resp.headers().set(COOKIE, request.headers().valuesIterator(COOKIE));
        return succeeded(resp);
    }).toFuture().get();
    return (InetSocketAddress) h1ServerContext.listenAddress();
}

Example 3 with StreamingHttpServiceFilterFactory

use of io.servicetalk.http.api.StreamingHttpServiceFilterFactory in project servicetalk by apple.

the class AbstractHttpServiceAsyncContextTest method filterFactory.

private StreamingHttpServiceFilterFactory filterFactory(final boolean useImmediate, final boolean asyncFilter, final Queue<Throwable> errorQueue) {
    return service -> new StreamingHttpServiceFilter(service) {

        @Override
        public Single<StreamingHttpResponse> handle(final HttpServiceContext ctx, final StreamingHttpRequest request, final StreamingHttpResponseFactory factory) {
            return asyncFilter ? defer(() -> doHandle(ctx, request, factory).shareContextOnSubscribe()) : doHandle(ctx, request, factory);
        }

        private Single<StreamingHttpResponse> doHandle(final HttpServiceContext ctx, final StreamingHttpRequest request, final StreamingHttpResponseFactory factory) {
            if (useImmediate && !currentThread().getName().startsWith(IO_THREAD_PREFIX)) {
                // verify that if we expect to be offloaded, that we actually are
                return succeeded(factory.internalServerError());
            }
            CharSequence requestId = request.headers().getAndRemove(REQUEST_ID_HEADER);
            if (requestId != null) {
                AsyncContext.put(K1, requestId);
            }
            final StreamingHttpRequest filteredRequest = request.transformMessageBody(pub -> pub.afterSubscriber(assertAsyncContextSubscriber(requestId, errorQueue)));
            return delegate().handle(ctx, filteredRequest, factory).map(resp -> {
                assertAsyncContext(requestId, errorQueue);
                return resp.transformMessageBody(pub -> pub.afterSubscriber(assertAsyncContextSubscriber(requestId, errorQueue)));
            });
        }
    };
}

Example 4 with StreamingHttpServiceFilterFactory

use of io.servicetalk.http.api.StreamingHttpServiceFilterFactory in project servicetalk by apple.

the class DefaultHttpServerBuilder method listenForService.

/**
 * Starts this server and returns the {@link HttpServerContext} after the server has been successfully started.
 * <p>
 * If the underlying protocol (e.g. TCP) supports it this should result in a socket bind/listen on {@code address}.
 * <p>/p>
 * The execution path for a request will be offloaded from the IO thread as required to ensure safety. The
 * <dl>
 *     <dt>read side</dt>
 *     <dd>IO thread → request → non-offload filters → offload filters → raw service</dd>
 *     <dt>subscribe/request side</dt>
 *     <dd>IO thread → subscribe/request/cancel → non-offload filters → offload filters → raw service</dd>
 * </dl>
 *
 * @param rawService {@link StreamingHttpService} to use for the server.
 * @param strategy the {@link HttpExecutionStrategy} to use for the service.
 * @return A {@link Single} that completes when the server is successfully started or terminates with an error if
 * the server could not be started.
 */
private Single<HttpServerContext> listenForService(final StreamingHttpService rawService, final HttpExecutionStrategy strategy) {
    InfluencerConnectionAcceptor connectionAcceptor = connectionAcceptorFactory == null ? null : InfluencerConnectionAcceptor.withStrategy(connectionAcceptorFactory.create(ACCEPT_ALL), connectionAcceptorFactory.requiredOffloads());
    final StreamingHttpService filteredService;
    final HttpExecutionContext executionContext;
    if (noOffloadServiceFilters.isEmpty()) {
        filteredService = serviceFilters.isEmpty() ? rawService : buildService(serviceFilters.stream(), rawService);
        executionContext = buildExecutionContext(strategy);
    } else {
        Stream<StreamingHttpServiceFilterFactory> nonOffloadingFilters = noOffloadServiceFilters.stream();
        if (strategy.isRequestResponseOffloaded()) {
            executionContext = buildExecutionContext(REQRESP_OFFLOADS.missing(strategy));
            BooleanSupplier shouldOffload = executionContext.ioExecutor().shouldOffloadSupplier();
            // We are going to have to offload, even if just to the raw service
            OffloadingFilter offloadingFilter = new OffloadingFilter(strategy, buildFactory(serviceFilters), shouldOffload);
            nonOffloadingFilters = Stream.concat(nonOffloadingFilters, Stream.of(offloadingFilter));
        } else {
            // All the filters can be appended.
            nonOffloadingFilters = Stream.concat(nonOffloadingFilters, serviceFilters.stream());
            executionContext = buildExecutionContext(strategy);
        }
        filteredService = buildService(nonOffloadingFilters, rawService);
    }
    return doBind(executionContext, connectionAcceptor, filteredService).afterOnSuccess(serverContext -> LOGGER.debug("Server for address {} uses strategy {}", serverContext.listenAddress(), strategy));
}

Example 5 with StreamingHttpServiceFilterFactory

use of io.servicetalk.http.api.StreamingHttpServiceFilterFactory in project servicetalk by apple.

the class ServiceTalkContentCodingTest method newServiceTalkServer.

private ServerContext newServiceTalkServer(final Scenario scenario, final Queue<Throwable> errors) throws Exception {
    HttpServerBuilder httpServerBuilder = HttpServers.forAddress(localAddress(0));
    StreamingHttpService service = (ctx, request, responseFactory) -> succeeded(buildResponse(responseFactory));
    StreamingHttpServiceFilterFactory filterFactory = REQ_FILTER.apply(scenario, errors);
    return httpServerBuilder.executionStrategy(defaultStrategy()).protocols(scenario.protocol.config).appendServiceFilter(new ContentCodingHttpServiceFilter(scenario.serverSupported, scenario.serverSupported)).appendServiceFilter(filterFactory).listenStreamingAndAwait(service);
}