Examples with NonblockingEndpointExecutionHandler com.nike.riposte.server.handler.NonblockingEndpointExecutionHandler used on opensource projects

Example 1 with NonblockingEndpointExecutionHandler

use of com.nike.riposte.server.handler.NonblockingEndpointExecutionHandler in project riposte by Nike-Inc.

the class HttpChannelInitializerTest method initChannel_adds_ResponseSenderHandler_after_NonblockingEndpointExecutionHandler_and_uses_responseSender.

@Test
public void initChannel_adds_ResponseSenderHandler_after_NonblockingEndpointExecutionHandler_and_uses_responseSender() {
    // given
    HttpChannelInitializer hci = basicHttpChannelInitializerNoUtilityHandlers();
    ResponseSender expectedResponseSender = extractField(hci, "responseSender");
    // when
    hci.initChannel(socketChannelMock);
    // then
    ArgumentCaptor<ChannelHandler> channelHandlerArgumentCaptor = ArgumentCaptor.forClass(ChannelHandler.class);
    verify(channelPipelineMock, atLeastOnce()).addLast(anyString(), channelHandlerArgumentCaptor.capture());
    List<ChannelHandler> handlers = channelHandlerArgumentCaptor.getAllValues();
    Pair<Integer, NonblockingEndpointExecutionHandler> nonblockingEndpointExecutionHandler = findChannelHandler(handlers, NonblockingEndpointExecutionHandler.class);
    Pair<Integer, ResponseSenderHandler> responseSenderHandler = findChannelHandler(handlers, ResponseSenderHandler.class);
    assertThat(nonblockingEndpointExecutionHandler, notNullValue());
    assertThat(responseSenderHandler, notNullValue());
    assertThat(responseSenderHandler.getLeft(), is(greaterThan(nonblockingEndpointExecutionHandler.getLeft())));
    // and then
    ResponseSender actualResponseSender = (ResponseSender) Whitebox.getInternalState(responseSenderHandler.getRight(), "responseSender");
    assertThat(actualResponseSender, is(expectedResponseSender));
}

Example 2 with NonblockingEndpointExecutionHandler

use of com.nike.riposte.server.handler.NonblockingEndpointExecutionHandler in project riposte by Nike-Inc.

the class HttpChannelInitializerTest method initChannel_adds_ExceptionHandlingHandler_immediately_before_ResponseSenderHandler_and_after_NonblockingEndpointExecutionHandler_and_uses_riposteErrorHandler_and_riposteUnhandledErrorHandler.

@Test
public void initChannel_adds_ExceptionHandlingHandler_immediately_before_ResponseSenderHandler_and_after_NonblockingEndpointExecutionHandler_and_uses_riposteErrorHandler_and_riposteUnhandledErrorHandler() {
    // given
    HttpChannelInitializer hci = basicHttpChannelInitializerNoUtilityHandlers();
    RiposteErrorHandler expectedRiposteErrorHandler = extractField(hci, "riposteErrorHandler");
    RiposteUnhandledErrorHandler expectedRiposteUnhandledErrorHandler = extractField(hci, "riposteUnhandledErrorHandler");
    DistributedTracingConfig<Span> distributedTracingConfigMock = mock(DistributedTracingConfig.class);
    ServerSpanNamingAndTaggingStrategy<Span> serverSpanNamingAndTaggingStrategyMock = mock(ServerSpanNamingAndTaggingStrategy.class);
    Whitebox.setInternalState(hci, "distributedTracingConfig", distributedTracingConfigMock);
    doReturn(serverSpanNamingAndTaggingStrategyMock).when(distributedTracingConfigMock).getServerSpanNamingAndTaggingStrategy();
    // when
    hci.initChannel(socketChannelMock);
    // then
    ArgumentCaptor<ChannelHandler> channelHandlerArgumentCaptor = ArgumentCaptor.forClass(ChannelHandler.class);
    verify(channelPipelineMock, atLeastOnce()).addLast(anyString(), channelHandlerArgumentCaptor.capture());
    List<ChannelHandler> handlers = channelHandlerArgumentCaptor.getAllValues();
    Pair<Integer, ResponseSenderHandler> responseSenderHandler = findChannelHandler(handlers, ResponseSenderHandler.class);
    Pair<Integer, NonblockingEndpointExecutionHandler> nonblockingEndpointExecutionHandler = findChannelHandler(handlers, NonblockingEndpointExecutionHandler.class);
    Pair<Integer, ExceptionHandlingHandler> exceptionHandlingHandler = findChannelHandler(handlers, ExceptionHandlingHandler.class);
    assertThat(responseSenderHandler, notNullValue());
    assertThat(nonblockingEndpointExecutionHandler, notNullValue());
    assertThat(exceptionHandlingHandler, notNullValue());
    assertThat(exceptionHandlingHandler.getLeft(), is(responseSenderHandler.getLeft() - 1));
    assertThat(exceptionHandlingHandler.getLeft(), is(greaterThan(nonblockingEndpointExecutionHandler.getLeft())));
    assertThat(extractField(exceptionHandlingHandler.getRight(), "spanNamingAndTaggingStrategy"), is(serverSpanNamingAndTaggingStrategyMock));
    // and then
    RiposteErrorHandler actualRiposteErrorHandler = (RiposteErrorHandler) Whitebox.getInternalState(exceptionHandlingHandler.getRight(), "riposteErrorHandler");
    RiposteUnhandledErrorHandler actualRiposteUnhandledErrorHandler = (RiposteUnhandledErrorHandler) Whitebox.getInternalState(exceptionHandlingHandler.getRight(), "riposteUnhandledErrorHandler");
    assertThat(actualRiposteErrorHandler, is(expectedRiposteErrorHandler));
    assertThat(actualRiposteUnhandledErrorHandler, is(expectedRiposteUnhandledErrorHandler));
}

Example 3 with NonblockingEndpointExecutionHandler

use of com.nike.riposte.server.handler.NonblockingEndpointExecutionHandler in project riposte by Nike-Inc.

the class HttpChannelInitializer method initChannel.

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline p = ch.pipeline();
    // request/response payloads, etc.
    if (debugChannelLifecycleLoggingEnabled) {
        p.addLast(SERVER_WORKER_CHANNEL_DEBUG_LOGGING_HANDLER_NAME, new LoggingHandler(SERVER_WORKER_CHANNEL_DEBUG_SLF4J_LOGGER_NAME, LogLevel.DEBUG));
    }
    // order).
    if (sslCtx != null)
        p.addLast(SSL_HANDLER_NAME, sslCtx.newHandler(ch.alloc()));
    // IN/OUT - Add the HttpServerCodec to decode requests into the appropriate HttpObjects and encode responses
    // from HttpObjects into bytes. This MUST be the earliest "outbound" handler after the SSL handler
    // since outbound handlers are processed in reverse order.
    p.addLast(HTTP_SERVER_CODEC_HANDLER_NAME, new HttpServerCodec(httpRequestDecoderConfig.maxInitialLineLength(), httpRequestDecoderConfig.maxHeaderSize(), httpRequestDecoderConfig.maxChunkSize()));
    // OUTBOUND - Add ProcessFinalResponseOutputHandler to get the final response headers, calculate the final
    // content length (after compression/gzip and/or any other modifications), etc, and set those values
    // on the channel's HttpProcessingState.
    p.addLast(PROCESS_FINAL_RESPONSE_OUTPUT_HANDLER_NAME, new ProcessFinalResponseOutputHandler());
    // INBOUND - Now that the message is translated into HttpObjects we can add RequestStateCleanerHandler to
    // setup/clean state for the rest of the pipeline.
    p.addLast(REQUEST_STATE_CLEANER_HANDLER_NAME, new RequestStateCleanerHandler(metricsListener, incompleteHttpCallTimeoutMillis, distributedTracingConfig));
    // INBOUND - Add DTraceStartHandler to start the distributed tracing for this request
    p.addLast(DTRACE_START_HANDLER_NAME, new DTraceStartHandler(userIdHeaderKeys, distributedTracingConfig));
    // INBOUND - Access log start
    p.addLast(ACCESS_LOG_START_HANDLER_NAME, new AccessLogStartHandler());
    // IN/OUT - Add SmartHttpContentCompressor for automatic content compression (if appropriate for the
    // request/response/size threshold). This must be added after HttpServerCodec so that it can process
    // after the request on the incoming pipeline and before the response on the outbound pipeline.
    p.addLast(SMART_HTTP_CONTENT_COMPRESSOR_HANDLER_NAME, new SmartHttpContentCompressor(responseCompressionThresholdBytes));
    // before RoutingHandler throws 404s/405s.
    if (beforeSecurityRequestFilterHandler != null)
        p.addLast(REQUEST_FILTER_BEFORE_SECURITY_HANDLER_NAME, beforeSecurityRequestFilterHandler);
    // INBOUND - Add RoutingHandler to figure out which endpoint should handle the request and set it on our request
    // state for later execution
    p.addLast(ROUTING_HANDLER_NAME, new RoutingHandler(endpoints, maxRequestSizeInBytes, distributedTracingConfig));
    // INBOUND - Add SmartHttpContentDecompressor for automatic content decompression if the request indicates it
    // is compressed *and* the target endpoint (determined by the previous RoutingHandler) is one that
    // is eligible for auto-decompression.
    p.addLast(SMART_HTTP_CONTENT_DECOMPRESSOR_HANDLER_NAME, new SmartHttpContentDecompressor());
    // INBOUND - Add RequestInfoSetterHandler to populate our RequestInfo's content.
    p.addLast(REQUEST_INFO_SETTER_HANDLER_NAME, new RequestInfoSetterHandler(maxRequestSizeInBytes));
    // maxOpenChannelsThreshold is not -1.
    if (maxOpenChannelsThreshold != -1) {
        p.addLast(OPEN_CHANNEL_LIMIT_HANDLER_NAME, new OpenChannelLimitHandler(openChannelsGroup, maxOpenChannelsThreshold));
    }
    // INBOUND - Add SecurityValidationHandler to validate the RequestInfo object for the matching endpoint
    p.addLast(SECURITY_VALIDATION_HANDLER_NAME, new SecurityValidationHandler(requestSecurityValidator));
    // INBOUND - Add the RequestFilterHandler for after security (if we have any filters to apply).
    if (afterSecurityRequestFilterHandler != null)
        p.addLast(REQUEST_FILTER_AFTER_SECURITY_HANDLER_NAME, afterSecurityRequestFilterHandler);
    // INBOUND - Now that the request state knows which endpoint will be called we can try to deserialize the
    // request content (if desired by the endpoint)
    p.addLast(REQUEST_CONTENT_DESERIALIZER_HANDLER_NAME, new RequestContentDeserializerHandler(requestContentDeserializer));
    // deserialized content (if desired by the endpoint and if we have a non-null validator)
    if (validationService != null)
        p.addLast(REQUEST_CONTENT_VALIDATION_HANDLER_NAME, new RequestContentValidationHandler(validationService));
    // INBOUND - Add NonblockingEndpointExecutionHandler to perform execution of async/nonblocking endpoints
    p.addLast(NONBLOCKING_ENDPOINT_EXECUTION_HANDLER_NAME, new NonblockingEndpointExecutionHandler(longRunningTaskExecutor, defaultCompletableFutureTimeoutMillis, distributedTracingConfig));
    // INBOUND - Add ProxyRouterEndpointExecutionHandler to perform execution of proxy routing endpoints
    p.addLast(PROXY_ROUTER_ENDPOINT_EXECUTION_HANDLER_NAME, new ProxyRouterEndpointExecutionHandler(longRunningTaskExecutor, streamingAsyncHttpClientForProxyRouterEndpoints, defaultCompletableFutureTimeoutMillis, distributedTracingConfig));
    // INBOUND - Add RequestHasBeenHandledVerificationHandler to verify that one of the endpoint handlers took care
    // of the request. This makes sure that the messages coming into channelRead are correctly typed for
    // the rest of the pipeline.
    p.addLast(REQUEST_HAS_BEEN_HANDLED_VERIFICATION_HANDLER_NAME, new RequestHasBeenHandledVerificationHandler());
    // INBOUND - Add ExceptionHandlingHandler to catch and deal with any exceptions or requests that fell through
    // the cracks.
    ExceptionHandlingHandler exceptionHandlingHandler = new ExceptionHandlingHandler(riposteErrorHandler, riposteUnhandledErrorHandler, distributedTracingConfig);
    p.addLast(EXCEPTION_HANDLING_HANDLER_NAME, exceptionHandlingHandler);
    // INBOUND - Add the ResponseFilterHandler (if we have any filters to apply).
    if (cachedResponseFilterHandler != null)
        p.addLast(RESPONSE_FILTER_HANDLER_NAME, cachedResponseFilterHandler);
    // INBOUND - Add ResponseSenderHandler to send the response that got put into the request state
    p.addLast(RESPONSE_SENDER_HANDLER_NAME, new ResponseSenderHandler(responseSender));
    // INBOUND - Access log end
    p.addLast(ACCESS_LOG_END_HANDLER_NAME, new AccessLogEndHandler(accessLogger));
    // INBOUND - Add DTraceEndHandler to finish up our distributed trace for this request.
    p.addLast(DTRACE_END_HANDLER_NAME, new DTraceEndHandler());
    // INBOUND - Add ChannelPipelineFinalizerHandler to stop the request processing.
    p.addLast(CHANNEL_PIPELINE_FINALIZER_HANDLER_NAME, new ChannelPipelineFinalizerHandler(exceptionHandlingHandler, responseSender, metricsListener, accessLogger, workerChannelIdleTimeoutMillis));
    // pipeline create hooks
    if (pipelineCreateHooks != null) {
        for (PipelineCreateHook hook : pipelineCreateHooks) {
            hook.executePipelineCreateHook(p);
        }
    }
}

Example 4 with NonblockingEndpointExecutionHandler

use of com.nike.riposte.server.handler.NonblockingEndpointExecutionHandler in project riposte by Nike-Inc.

the class HttpChannelInitializerTest method initChannel_adds_NonblockingEndpointExecutionHandler_after_RoutingHandler_and_RequestContentDeserializerHandler_and_RequestContentValidationHandler_and_uses_longRunningTaskExecutor_and_defaultCompletableFutureTimeoutMillis.

@Test
public void initChannel_adds_NonblockingEndpointExecutionHandler_after_RoutingHandler_and_RequestContentDeserializerHandler_and_RequestContentValidationHandler_and_uses_longRunningTaskExecutor_and_defaultCompletableFutureTimeoutMillis() {
    // given
    HttpChannelInitializer hci = basicHttpChannelInitializerNoUtilityHandlers();
    Whitebox.setInternalState(hci, "validationService", mock(RequestValidator.class));
    Executor expectedLongRunningTaskExecutor = extractField(hci, "longRunningTaskExecutor");
    long expectedDefaultCompletableFutureTimeoutMillis = extractField(hci, "defaultCompletableFutureTimeoutMillis");
    DistributedTracingConfig<Span> distributedTracingConfigMock = mock(DistributedTracingConfig.class);
    ServerSpanNamingAndTaggingStrategy<Span> expectedServerSpanNamingAndTaggingStrategy = mock(ServerSpanNamingAndTaggingStrategy.class);
    Whitebox.setInternalState(hci, "distributedTracingConfig", distributedTracingConfigMock);
    doReturn(expectedServerSpanNamingAndTaggingStrategy).when(distributedTracingConfigMock).getServerSpanNamingAndTaggingStrategy();
    // when
    hci.initChannel(socketChannelMock);
    // then
    ArgumentCaptor<ChannelHandler> channelHandlerArgumentCaptor = ArgumentCaptor.forClass(ChannelHandler.class);
    verify(channelPipelineMock, atLeastOnce()).addLast(anyString(), channelHandlerArgumentCaptor.capture());
    List<ChannelHandler> handlers = channelHandlerArgumentCaptor.getAllValues();
    Pair<Integer, RoutingHandler> routingHandler = findChannelHandler(handlers, RoutingHandler.class);
    Pair<Integer, RequestContentDeserializerHandler> requestContentDeserializerHandler = findChannelHandler(handlers, RequestContentDeserializerHandler.class);
    Pair<Integer, RequestContentValidationHandler> requestContentValidationHandler = findChannelHandler(handlers, RequestContentValidationHandler.class);
    Pair<Integer, NonblockingEndpointExecutionHandler> nonblockingEndpointExecutionHandler = findChannelHandler(handlers, NonblockingEndpointExecutionHandler.class);
    assertThat(routingHandler, notNullValue());
    assertThat(requestContentDeserializerHandler, notNullValue());
    assertThat(requestContentValidationHandler, notNullValue());
    assertThat(nonblockingEndpointExecutionHandler, notNullValue());
    assertThat(nonblockingEndpointExecutionHandler.getLeft(), is(greaterThan(routingHandler.getLeft())));
    assertThat(nonblockingEndpointExecutionHandler.getLeft(), is(greaterThan(requestContentDeserializerHandler.getLeft())));
    assertThat(nonblockingEndpointExecutionHandler.getLeft(), is(greaterThan(requestContentValidationHandler.getLeft())));
    // and then
    Executor actualLongRunningTaskExecutor = (Executor) Whitebox.getInternalState(nonblockingEndpointExecutionHandler.getRight(), "longRunningTaskExecutor");
    long actualDefaultCompletableFutureTimeoutMillis = (long) Whitebox.getInternalState(nonblockingEndpointExecutionHandler.getRight(), "defaultCompletableFutureTimeoutMillis");
    ServerSpanNamingAndTaggingStrategy<Span> actualTaggingStrategy = (ServerSpanNamingAndTaggingStrategy<Span>) Whitebox.getInternalState(nonblockingEndpointExecutionHandler.getRight(), "spanTaggingStrategy");
    assertThat(actualLongRunningTaskExecutor, is(expectedLongRunningTaskExecutor));
    assertThat(actualDefaultCompletableFutureTimeoutMillis, is(expectedDefaultCompletableFutureTimeoutMillis));
    assertThat(actualTaggingStrategy, is(expectedServerSpanNamingAndTaggingStrategy));
}