Examples with Microservices io.scalecube.services.Microservices used on opensource projects

Example 11 with Microservices

use of io.scalecube.services.Microservices in project scalecube by scalecube.

the class TestStreamingService method test_remote_quotes_service.

@Test
public void test_remote_quotes_service() throws InterruptedException {
    Microservices gateway = Microservices.builder().build();
    Microservices node = Microservices.builder().seeds(gateway.cluster().address()).services(new SimpleQuoteService()).build();
    QuoteService service = gateway.proxy().api(QuoteService.class).create();
    CountDownLatch latch1 = new CountDownLatch(3);
    CountDownLatch latch2 = new CountDownLatch(3);
    Subscription sub1 = service.quotes(2).subscribe(onNext -> {
        System.out.println("test_remote_quotes_service-2: " + onNext);
        latch1.countDown();
    });
    Subscription sub2 = service.quotes(10).subscribe(onNext -> {
        System.out.println("test_remote_quotes_service-10: " + onNext);
        latch2.countDown();
    });
    latch1.await(1, TimeUnit.SECONDS);
    latch2.await(1, TimeUnit.SECONDS);
    sub1.unsubscribe();
    sub2.unsubscribe();
    assertTrue(latch1.getCount() == 0);
    assertTrue(latch2.getCount() == 0);
    gateway.shutdown();
    node.shutdown();
}

Example 12 with Microservices

use of io.scalecube.services.Microservices in project scalecube by scalecube.

the class TestStreamingService method test_quotes_snapshot.

@Test
public void test_quotes_snapshot() throws InterruptedException {
    int batchSize = 500_000;
    Microservices gateway = Microservices.builder().build();
    Microservices node = Microservices.builder().seeds(gateway.cluster().address()).services(new SimpleQuoteService()).metrics(registry).build();
    QuoteService service = gateway.proxy().api(QuoteService.class).create();
    CountDownLatch latch1 = new CountDownLatch(batchSize);
    Subscription sub1 = service.snapshoot(batchSize).subscribeOn(Schedulers.from(Executors.newCachedThreadPool())).serialize().subscribe(onNext -> latch1.countDown());
    long start = System.currentTimeMillis();
    latch1.await(batchSize / 20_000, TimeUnit.SECONDS);
    long end = (System.currentTimeMillis() - start);
    System.out.println("TIME IS UP! - recived batch (size: " + (batchSize - latch1.getCount()) + "/" + batchSize + ") in " + (System.currentTimeMillis() - start) + "ms: " + "rate of :" + batchSize / (end / 1000) + " events/sec ");
    System.out.println(registry.getMeters());
    assertTrue(latch1.getCount() == 0);
    sub1.unsubscribe();
    gateway.shutdown();
    node.shutdown();
}

Example 13 with Microservices

use of io.scalecube.services.Microservices in project scalecube by scalecube.

the class SimpleStressTest method test_naive_proxy_stress.

@Test
public void test_naive_proxy_stress() throws InterruptedException, ExecutionException {
    // Create microservices cluster member.
    Microservices provider = Microservices.builder().port(port.incrementAndGet()).services(new GreetingServiceImpl()).metrics(registry).build();
    // Create microservices cluster member.
    Microservices consumer = Microservices.builder().port(port.incrementAndGet()).seeds(provider.cluster().address()).metrics(registry).build();
    reporter.start(10, TimeUnit.SECONDS);
    // Get a proxy to the service api.
    GreetingService service = consumer.proxy().api(// create proxy for GreetingService API
    GreetingService.class).timeout(Duration.ofSeconds(30)).create();
    // Measure
    CountDownLatch countLatch = new CountDownLatch(count);
    long startTime = System.currentTimeMillis();
    for (int i = 0; i < count; i++) {
        CompletableFuture<Message> future = service.greetingMessage(Message.fromData("naive_stress_test"));
        future.whenComplete((success, error) -> {
            if (error == null) {
                countLatch.countDown();
            } else {
                System.out.println("failed: " + error);
                fail("test_naive_stress_not_breaking_the_system failed: " + error);
            }
        });
    }
    System.out.println("Finished sending " + count + " messages in " + (System.currentTimeMillis() - startTime));
    countLatch.await(60, TimeUnit.SECONDS);
    System.out.println("Finished receiving " + (count - countLatch.getCount()) + " messages in " + (System.currentTimeMillis() - startTime));
    System.out.println("Rate: " + ((count - countLatch.getCount()) / ((System.currentTimeMillis() - startTime) / 1000)) + " round-trips/sec");
    reporter.stop();
    assertTrue(countLatch.getCount() == 0);
    provider.shutdown().get();
    consumer.shutdown().get();
}

Example 14 with Microservices

use of io.scalecube.services.Microservices in project scalecube by scalecube.

the class TestStreamingService method test_local_quotes_service.

@Test
public void test_local_quotes_service() throws InterruptedException {
    Microservices node = Microservices.builder().services(new SimpleQuoteService()).build();
    QuoteService service = node.proxy().api(QuoteService.class).create();
    CountDownLatch latch = new CountDownLatch(3);
    Observable<String> obs = service.quotes(2);
    Subscription sub = obs.subscribe(onNext -> {
        latch.countDown();
    });
    latch.await(1, TimeUnit.SECONDS);
    sub.unsubscribe();
    assertTrue(latch.getCount() <= 0);
    node.shutdown();
}