Java Code Examples for io.reactivex.netty.RxNetty#createHttpServer()

The following examples show how to use io.reactivex.netty.RxNetty#createHttpServer() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MesosClientIntegrationTest.java    From mesos-rxjava with Apache License 2.0 6 votes vote down vote up 
@Test
public void testStreamDoesNotRunWhenSubscribeFails_mesos5xxResponse() throws Throwable {
    final RequestHandler<ByteBuf, ByteBuf> handler = (request, response) -> {
        response.setStatus(HttpResponseStatus.INTERNAL_SERVER_ERROR);
        return response.close();
    };
    final HttpServer<ByteBuf, ByteBuf> server = RxNetty.createHttpServer(0, handler);
    server.start();
    final URI uri = URI.create(String.format("http://localhost:%d/api/v1/scheduler", server.getServerPort()));
    final MesosClient<String, String> client = createClient(uri);

    try {
        client.openStream().await();
        fail("Expect an exception to be propagated up because subscribe will 500");
    } catch (Mesos5xxException e) {
        // expected
        final MesosClientErrorContext ctx = e.getContext();
        assertThat(ctx.getStatusCode()).isEqualTo(500);
    } finally {
        server.shutdown();
    }
}
Example 2
Source File: MesosClientIntegrationTest.java    From mesos-rxjava with Apache License 2.0 6 votes vote down vote up 
@Test
public void testStreamDoesNotRunWhenSubscribeFails_mismatchContentType() throws Throwable {
    final RequestHandler<ByteBuf, ByteBuf> handler = (request, response) -> {
        response.setStatus(HttpResponseStatus.OK);
        response.getHeaders().setHeader("Content-Type", "application/json");
        return response.close();
    };
    final HttpServer<ByteBuf, ByteBuf> server = RxNetty.createHttpServer(0, handler);
    server.start();
    final URI uri = URI.create(String.format("http://localhost:%d/api/v1/scheduler", server.getServerPort()));
    final MesosClient<String, String> client = createClient(uri);

    try {
        client.openStream().await();
        fail("Expect an exception to be propagated up because of content type mismatch");
    } catch (MesosException e) {
        // expected
        final MesosClientErrorContext ctx = e.getContext();
        assertThat(ctx.getStatusCode()).isEqualTo(200);
        assertThat(ctx.getMessage()).isEqualTo("Response had Content-Type \"application/json\" expected \"text/plain;charset=utf-8\"");
    } finally {
        server.shutdown();
    }
}
Example 3
Source File: RxNettyRequestReplyServer.java    From MarketData with Apache License 2.0 5 votes vote down vote up 
public HttpServer<ByteBuf, ByteBuf> createServer() {
    return RxNetty.createHttpServer(port, (request, response) -> {

        HttpRequest httpRequest = new HttpRequest(request.getQueryParameters());
        String content = getResponseContent(httpRequest);
        return response.writeStringAndFlush(content);
    });
}
Example 4
Source File: RxNettyEventServer.java    From MarketData with Apache License 2.0 5 votes vote down vote up 
public HttpServer<ByteBuf, ServerSentEvent> createServer() {
    HttpServer<ByteBuf, ServerSentEvent> server = RxNetty.createHttpServer(port,
            (request, response) -> {
                response.getHeaders().set(ACCESS_CONTROL_ALLOW_ORIGIN, "*");
                response.getHeaders().set(CACHE_CONTROL, "no-cache");
                response.getHeaders().set(CONNECTION, "keep-alive");
                response.getHeaders().set(CONTENT_TYPE, "text/event-stream");
                return getIntervalObservable(request, response);
            }, PipelineConfigurators.<ByteBuf>serveSseConfigurator());
    System.out.println("HTTP Server Sent Events server started...");
    return server;
}
Example 5
Source File: MesosClientIntegrationTest.java    From mesos-rxjava with Apache License 2.0 5 votes vote down vote up 
@Test
public void testStreamDoesNotRunWhenSubscribeFails_mesos4xxResponse() throws Throwable {
    final String errorMessage = "Error message that should come from the server";
    final RequestHandler<ByteBuf, ByteBuf> handler = (request, response) -> {
        response.setStatus(HttpResponseStatus.BAD_REQUEST);
        final byte[] msgBytes = errorMessage.getBytes(StandardCharsets.UTF_8);
        response.getHeaders().setHeader("Content-Length", msgBytes.length);
        response.getHeaders().setHeader("Content-Type", "text/plain;charset=utf-8");
        response.writeBytes(msgBytes);
        return response.close();
    };
    final HttpServer<ByteBuf, ByteBuf> server = RxNetty.createHttpServer(0, handler);
    server.start();
    final URI uri = URI.create(String.format("http://localhost:%d/api/v1/scheduler", server.getServerPort()));
    final MesosClient<String, String> client = createClient(uri);

    try {
        client.openStream().await();
        fail("Expect an exception to be propagated up because subscribe will 400");
    } catch (Mesos4xxException e) {
        // expected
        final MesosClientErrorContext ctx = e.getContext();
        assertThat(ctx.getStatusCode()).isEqualTo(400);
        assertThat(ctx.getMessage()).isEqualTo(errorMessage);
    } finally {
        server.shutdown();
    }
}
Example 6
Source File: MesosClientBackpressureIntegrationTest.java    From mesos-rxjava with Apache License 2.0 5 votes vote down vote up 
@Test
@Ignore
public void testBurstyObservable_missingBackpressureException() throws Throwable {
    final String subscribedMessage = "{\"type\": \"SUBSCRIBED\",\"subscribed\": {\"framework_id\": {\"value\":\"12220-3440-12532-2345\"},\"heartbeat_interval_seconds\":15.0}";
    final String heartbeatMessage = "{\"type\":\"HEARTBEAT\"}";
    final byte[] hmsg = heartbeatMessage.getBytes(StandardCharsets.UTF_8);
    final byte[] hbytes = String.format("%d\n", heartbeatMessage.getBytes().length).getBytes(StandardCharsets.UTF_8);

    final RequestHandler<ByteBuf, ByteBuf> handler = (request, response) -> {
        response.setStatus(HttpResponseStatus.OK);
        response.getHeaders().setHeader("Content-Type", "text/plain;charset=utf-8");
        writeRecordIOMessage(response, subscribedMessage);
        for (int i = 0; i < 20000; i++) {
            response.writeBytes(hbytes);
            response.writeBytes(hmsg);
        }
        return response.flush();
    };
    final HttpServer<ByteBuf, ByteBuf> server = RxNetty.createHttpServer(0, handler);
    server.start();
    final URI uri = URI.create(String.format("http://localhost:%d/api/v1/scheduler", server.getServerPort()));
    final MesosClient<String, String> client = createClientForStreaming(uri).build();

    try {
        client.openStream().await();
        fail("Expect an exception to be propagated up due to backpressure");
    } catch (MissingBackpressureException e) {
        // expected
        e.printStackTrace();
        assertThat(e.getMessage()).isNullOrEmpty();
    } finally {
        server.shutdown();
    }
}
Example 7
Source File: MesosClientBackpressureIntegrationTest.java    From mesos-rxjava with Apache License 2.0 5 votes vote down vote up 
@Test
public void testBurstyObservable_unboundedBufferSucceeds() throws Throwable {
    msgNo = 0;
    final int numMessages = 20000;
    final String subscribedMessage = "{\"type\": \"SUBSCRIBED\",\"subscribed\": {\"framework_id\": {\"value\":\"12220-3440-12532-2345\"},\"heartbeat_interval_seconds\":15.0}";
    final String heartbeatMessage = "{\"type\":\"HEARTBEAT\"}";
    final RequestHandler<ByteBuf, ByteBuf> handler = (request, response) -> {
        response.setStatus(HttpResponseStatus.OK);
        response.getHeaders().setHeader("Content-Type", "text/plain;charset=utf-8");
        writeRecordIOMessage(response, subscribedMessage);
        for (int i = 0; i < numMessages; i++) {
            writeRecordIOMessage(response, heartbeatMessage);
        }
        return response.close();
    };
    final HttpServer<ByteBuf, ByteBuf> server = RxNetty.createHttpServer(0, handler);
    server.start();
    final URI uri = URI.create(String.format("http://localhost:%d/api/v1/scheduler", server.getServerPort()));
    final MesosClient<String, String> client = createClientForStreaming(uri)
            .onBackpressureBuffer()
            .build();

    try {
        client.openStream().await();
    } finally {
        // 20000 heartbeats PLUS 1 subscribe
        assertEquals("All heartbeats received (plus the subscribed)", 1 + numMessages, msgNo);
        server.shutdown();
    }
}
Example 8
Source File: TcpSocketProxyTest.java    From mesos-rxjava with Apache License 2.0 5 votes vote down vote up 
@Before
public void setUp() throws Exception {
    server = RxNetty.createHttpServer(0, (request, response) -> {
        response.writeString("Hello World");
        return response.close();
    });
    server.start();
}
Example 9
Source File: NettyRxJavaServer.java    From netty-cookbook with Apache License 2.0 5 votes vote down vote up 
public static void main(String... args) throws InterruptedException {
    HttpServer<ByteBuf, ByteBuf> server = RxNetty.createHttpServer(8080, 
    		(HttpServerRequest<ByteBuf> request, HttpServerResponse<ByteBuf> response) -> {
        System.out.println("Server => Request: " + request.getPath());            
        try {
            if ("/error".equals(request.getPath())) {
                throw new RuntimeException("forced error");
            }
            response.setStatus(HttpResponseStatus.OK);
            response.writeString("Path Requested =>: " + request.getPath() + '\n');
            return response.close();
        } catch (Throwable e) {
            System.err.println("Server => Error [" + request.getPath() + "] => " + e);
            response.setStatus(HttpResponseStatus.BAD_REQUEST);
            response.writeString("Error 500: Bad Request\n");
            return response.close();
        }
    });

    server.startAndWait();

    RxNetty.createHttpGet("http://localhost:8080/")
           .flatMap(response -> response.getContent())
           .map(data -> "Client => " + data.toString(Charset.defaultCharset()))
           .toBlocking().forEach(System.out::println);

    RxNetty.createHttpGet("http://localhost:8080/error")
           .flatMap(response -> response.getContent())
           .map(data -> "Client => " + data.toString(Charset.defaultCharset()))
           .toBlocking().forEach(System.out::println);

    RxNetty.createHttpGet("http://localhost:8080/data")
           .flatMap(response -> response.getContent())
           .map(data -> "Client => " + data.toString(Charset.defaultCharset()))
           .toBlocking().forEach(System.out::println);

    //server.shutdown();
}
Example 10
Source File: AbstractMiddleTierService.java    From ReactiveLab with Apache License 2.0 5 votes vote down vote up 
public HttpServer<ByteBuf, ServerSentEvent> createServer(int port) {
    System.out.println("Start " + getClass().getSimpleName() + " on port: " + port);

    // declare handler chain (wrapped in Hystrix)
    // TODO create a better way of chaining these (related https://github.com/ReactiveX/RxNetty/issues/232 and https://github.com/ReactiveX/RxNetty/issues/202)
    HystrixMetricsStreamHandler<ByteBuf, ServerSentEvent> handlerChain 
      = new HystrixMetricsStreamHandler<>(metrics, "/hystrix.stream", 1000, (request, response) -> {
        try {
            long startTime = System.currentTimeMillis();
            return handleRequest(request, response)
                    .doOnCompleted(() -> System.out.println("Response => " + request.getPath() + " Time => " + (int) (System.currentTimeMillis() - startTime) + "ms"))
                    .doOnCompleted(() -> metrics.getRollingPercentile().addValue((int) (System.currentTimeMillis() - startTime)))
                    .doOnCompleted(() -> metrics.getRollingNumber().add(Metrics.EventType.SUCCESS, 1))
                    .doOnError(t -> metrics.getRollingNumber().add(Metrics.EventType.FAILURE, 1));
        } catch (Throwable e) {
            e.printStackTrace();
            System.err.println("Server => Error [" + request.getPath() + "] => " + e);
            response.setStatus(HttpResponseStatus.BAD_REQUEST);
            return response.writeStringAndFlush("data: Error 500: Bad Request\n" + e.getMessage() + "\n");
        }
    });

    return RxNetty.createHttpServer(port, (request, response) -> {
        // System.out.println("Server => Request: " + request.getPath());
            return handlerChain.handle(request, response);
        }, PipelineConfigurators.<ByteBuf> serveSseConfigurator());
}