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

Example 6 with StreamingHttpClientFilter

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

the class DefaultMultiAddressUrlHttpClientBuilderTest method internalClientsUseDifferentExecutionContextWhenConfigured.

@Test
void internalClientsUseDifferentExecutionContextWhenConfigured() throws Exception {
    // Assert prerequisites first.
    // Use different strategies, as ExecutionContextExtension shares the same strategy.
    HttpExecutionStrategy internalExecutionStrategy = HttpExecutionStrategies.customStrategyBuilder().offloadNone().build();
    HttpExecutionStrategy externalExecutionStrategy = HttpExecutionStrategies.customStrategyBuilder().offloadAll().build();
    assertThat(internalExecutionStrategy, not(equalTo(externalExecutionStrategy)));
    BufferAllocator internalBufferAllocator = BufferAllocators.PREFER_DIRECT_ALLOCATOR;
    BufferAllocator externalBufferAllocator = BufferAllocators.PREFER_HEAP_ALLOCATOR;
    assertThat(internalBufferAllocator, not(equalTo(externalBufferAllocator)));
    assertThat(CTX.executor(), not(equalTo(INTERNAL_CLIENT_CTX.executor())));
    assertThat(CTX.ioExecutor(), not(equalTo(INTERNAL_CLIENT_CTX.ioExecutor())));
    try (ServerContext serverContext = HttpServers.forAddress(localAddress(0)).executionStrategy(offloadNever()).listenStreamingAndAwait((ctx, request, responseFactory) -> succeeded(responseFactory.ok()))) {
        AtomicReference<BufferAllocator> actualInternalBufferAllocator = new AtomicReference<>();
        AtomicReference<IoExecutor> actualInternalIoExecutor = new AtomicReference<>();
        AtomicReference<Executor> actualInternalExecutor = new AtomicReference<>();
        AtomicReference<ExecutionStrategy> actualInternalExecutionStrategy = new AtomicReference<>();
        final StreamingHttpClient streamingHttpClient = HttpClients.forMultiAddressUrl().initializer((scheme, address, builder) -> builder.executionStrategy(internalExecutionStrategy).executor(INTERNAL_CLIENT_CTX.executor()).ioExecutor(INTERNAL_CLIENT_CTX.ioExecutor()).bufferAllocator(internalBufferAllocator).executionStrategy(internalExecutionStrategy).appendClientFilter(client -> {
            HttpExecutionContext internalContext = client.executionContext();
            actualInternalBufferAllocator.set(internalContext.bufferAllocator());
            actualInternalExecutor.set(internalContext.executor());
            actualInternalIoExecutor.set(internalContext.ioExecutor());
            actualInternalExecutionStrategy.set(internalContext.executionStrategy());
            return new StreamingHttpClientFilter(client) {
            };
        })).executor(CTX.executor()).ioExecutor(CTX.ioExecutor()).executionStrategy(externalExecutionStrategy).bufferAllocator(externalBufferAllocator).buildStreaming();
        assertNotNull(streamingHttpClient);
        // Check external client
        final HttpExecutionContext executionContext = streamingHttpClient.executionContext();
        assertThat(executionContext.executor(), equalTo(CTX.executor()));
        assertThat(executionContext.executionStrategy(), equalTo(externalExecutionStrategy));
        assertThat(executionContext.ioExecutor(), equalTo(CTX.ioExecutor()));
        assertThat(executionContext.bufferAllocator(), equalTo(CTX.bufferAllocator()));
        // Make a request to trigger the filter execution that extracts the execution context.
        final HostAndPort address = HostAndPort.of((InetSocketAddress) serverContext.listenAddress());
        streamingHttpClient.reserveConnection(streamingHttpClient.get("http://" + address)).toFuture().get();
        // Check internal client
        assertThat(actualInternalBufferAllocator.get(), equalTo(internalBufferAllocator));
        assertThat(actualInternalExecutor.get(), equalTo(INTERNAL_CLIENT_CTX.executor()));
        assertThat(actualInternalIoExecutor.get(), equalTo(INTERNAL_CLIENT_CTX.ioExecutor()));
        assertThat(actualInternalExecutionStrategy.get(), equalTo(internalExecutionStrategy));
        streamingHttpClient.closeAsync().toFuture().get();
    }
}

Example 7 with StreamingHttpClientFilter

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

the class ClientEffectiveStrategyTest method clientStrategy.

@ParameterizedTest(name = "API={0} builder={1} filter={2} LB={3} CF={4}")
@MethodSource("casesSupplier")
void clientStrategy(ClientType clientType, @Nullable final HttpExecutionStrategy builderStrategy, @Nullable final HttpExecutionStrategy filterStrategy, @Nullable final HttpExecutionStrategy lbStrategy, @Nullable final HttpExecutionStrategy cfStrategy) throws Exception {
    HttpExecutionStrategy effectiveStrategy = computeClientExecutionStrategy(builderStrategy, filterStrategy, lbStrategy, cfStrategy);
    SingleAddressHttpClientBuilder<HostAndPort, InetSocketAddress> clientBuilder = HttpClients.forSingleAddress(serverHostAndPort(context));
    if (builderStrategy != null) {
        clientBuilder.executionStrategy(builderStrategy);
    }
    ClientInvokingThreadRecorder invokingThreadsRecorder = new ClientInvokingThreadRecorder(clientType, effectiveStrategy);
    clientBuilder.appendClientFilter(invokingThreadsRecorder);
    if (null != filterStrategy) {
        clientBuilder.appendClientFilter(new StreamingHttpClientFilterFactory() {

            @Override
            public StreamingHttpClientFilter create(final FilterableStreamingHttpClient client) {
                return new StreamingHttpClientFilter(client) {
                };
            }

            @Override
            public HttpExecutionStrategy requiredOffloads() {
                return filterStrategy;
            }
        });
    }
    if (null != lbStrategy) {
        HttpLoadBalancerFactory<InetSocketAddress> lfFactory = DefaultHttpLoadBalancerFactory.Builder.from(new LoadBalancerFactoryImpl() {

            @Override
            public ExecutionStrategy requiredOffloads() {
                return lbStrategy;
            }
        }).build();
        clientBuilder.loadBalancerFactory(lfFactory);
    }
    if (null != cfStrategy) {
        clientBuilder.appendConnectionFilter(new StreamingHttpConnectionFilterFactory() {

            @Override
            public StreamingHttpConnectionFilter create(final FilterableStreamingHttpConnection connection) {
                return new StreamingHttpConnectionFilter(connection) {
                };
            }

            @Override
            public HttpExecutionStrategy requiredOffloads() {
                return cfStrategy;
            }
        });
    }
    // Exercise the client
    try (StreamingHttpClient client = clientBuilder.buildStreaming()) {
        String responseBody = getResponse(clientType, client);
        assertThat(responseBody, is(GREETING));
        invokingThreadsRecorder.verifyOffloads();
    }
}

Example 8 with StreamingHttpClientFilter

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

the class EnforceSequentialModeRequesterFilterTest method responseNeverCompletesIfRequestPayloadBodyNeverCompletes.

@Test
void responseNeverCompletesIfRequestPayloadBodyNeverCompletes() {
    StreamingHttpRequest request = REQ_RES_FACTORY.post("/").payloadBody(never());
    StreamingHttpClientFilter client = EnforceSequentialModeRequesterFilter.INSTANCE.create(this.client);
    AssertionError e = assertThrows(AssertionError.class, () -> StepVerifiers.create(client.request(request)).expectCancellable().expectSuccess().verify(Duration.ofMillis(100)));
    assertThat(e.getCause(), instanceOf(TimeoutException.class));
}

Example 9 with StreamingHttpClientFilter

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

the class ServiceTalkContentEncodingTest method runTest.

@Override
protected void runTest(final HttpProtocol protocol, final Encoder clientEncoding, final Decoders clientDecoder, final Encoders serverEncoder, final Decoders serverDecoder, boolean valid) throws Throwable {
    try (ServerContext serverContext = HttpServers.forAddress(localAddress(0)).protocols(protocol.config).appendServiceFilter(service -> new StreamingHttpServiceFilter(service) {

        @Override
        public Single<StreamingHttpResponse> handle(final HttpServiceContext ctx, final StreamingHttpRequest request, final StreamingHttpResponseFactory responseFactory) {
            return delegate().handle(ctx, request, responseFactory).map(resp -> {
                // content encoding should be stripped by the time the decoding is done.
                assertThat(resp.headers().get(ACCEPT_ENCODING), nullValue());
                CharSequence contentEncoding = resp.headers().get(CONTENT_ENCODING);
                boolean found = contentEncoding == null && (serverEncoder.list.isEmpty() || !request.headers().contains(ACCEPT_ENCODING));
                for (BufferEncoder be : serverEncoder.list) {
                    if (contentEncoding == null && contentEqualsIgnoreCase(be.encodingName(), identityEncoder().encodingName()) || contentEncoding != null && contentEqualsIgnoreCase(be.encodingName(), contentEncoding)) {
                        found = true;
                        break;
                    }
                }
                return found || !valid ? resp : responseFactory.ok().payloadBody(Publisher.from("server error: invalid " + CONTENT_ENCODING + ": " + contentEncoding), appSerializerUtf8FixLen());
            }).onErrorReturn(AssertionError.class, cause -> responseFactory.ok().payloadBody(Publisher.from("server error: " + cause.toString()), appSerializerUtf8FixLen()));
        }
    }).appendServiceFilter(new ContentEncodingHttpServiceFilter(serverEncoder.list, serverDecoder.group)).listenBlockingAndAwait((ctx, request, responseFactory) -> {
        String requestPayload = request.payloadBody(textSerializerUtf8());
        if (payloadAsString((byte) 'a').equals(requestPayload)) {
            return responseFactory.ok().payloadBody(payloadAsString((byte) 'b'), textSerializerUtf8());
        } else {
            return responseFactory.badRequest().payloadBody(requestPayload, textSerializerUtf8());
        }
    });
        BlockingHttpClient client = HttpClients.forSingleAddress(serverHostAndPort(serverContext)).protocols(protocol.config).appendClientFilter(new ContentEncodingHttpRequesterFilter(clientDecoder.group)).appendClientFilter(c -> new StreamingHttpClientFilter(c) {

            @Override
            protected Single<StreamingHttpResponse> request(final StreamingHttpRequester delegate, final StreamingHttpRequest request) {
                return Single.defer(() -> {
                    assertHeader(() -> clientEncoding.encoder == null ? null : clientEncoding.encoder.encodingName(), request.headers().get(CONTENT_ENCODING), true);
                    assertHeader(clientDecoder.group::advertisedMessageEncoding, request.headers().get(ACCEPT_ENCODING), false);
                    return delegate.request(request).shareContextOnSubscribe();
                });
            }
        }).buildBlocking()) {
        HttpResponse response = client.request(client.get("/").contentEncoding(clientEncoding.encoder).payloadBody(payloadAsString((byte) 'a'), textSerializerUtf8()));
        if (valid) {
            assertThat(response.status(), is(OK));
            // content encoding should be stripped by the time the decoding is done.
            assertThat(response.headers().get(CONTENT_ENCODING), nullValue());
            assertEquals(payloadAsString((byte) 'b'), response.payloadBody(textSerializerUtf8()));
        } else {
            assertThat(response.status(), is(UNSUPPORTED_MEDIA_TYPE));
        }
    }
}