Examples with Future io.vertx.core.Future used on opensource projects

Example 1 with Future

use of io.vertx.core.Future in project vert.x by eclipse.

the class HttpTest method pausingServer.

private void pausingServer(Consumer<Future<Void>> consumer) {
    Future<Void> resumeFuture = Future.future();
    server.requestHandler(req -> {
        req.response().setChunked(true);
        req.pause();
        Context ctx = vertx.getOrCreateContext();
        resumeFuture.setHandler(v1 -> {
            ctx.runOnContext(v2 -> {
                req.resume();
            });
        });
        req.handler(buff -> {
            req.response().write(buff);
        });
    });
    server.listen(onSuccess(s -> consumer.accept(resumeFuture)));
}

Example 2 with Future

use of io.vertx.core.Future in project vert.x by eclipse.

the class HttpTest method drainingServer.

private void drainingServer(Consumer<Future<Void>> consumer) {
    Future<Void> resumeFuture = Future.future();
    server.requestHandler(req -> {
        req.response().setChunked(true);
        assertFalse(req.response().writeQueueFull());
        req.response().setWriteQueueMaxSize(1000);
        Buffer buff = TestUtils.randomBuffer(10000);
        vertx.setPeriodic(1, id -> {
            req.response().write(buff);
            if (req.response().writeQueueFull()) {
                vertx.cancelTimer(id);
                req.response().drainHandler(v -> {
                    assertFalse(req.response().writeQueueFull());
                    testComplete();
                });
                resumeFuture.complete();
            }
        });
    });
    server.listen(onSuccess(s -> consumer.accept(resumeFuture)));
}

Example 3 with Future

use of io.vertx.core.Future in project vert.x by eclipse.

the class FutureTest method testFailFutureToHandler.

@Test
public void testFailFutureToHandler() {
    Throwable cause = new Throwable();
    Consumer<Handler<AsyncResult<String>>> consumer = handler -> {
        handler.handle(Future.failedFuture(cause));
    };
    Future<String> fut = Future.future();
    consumer.accept(fut);
    assertTrue(fut.isComplete());
    assertTrue(fut.failed());
    assertEquals(cause, fut.cause());
}

Example 4 with Future

use of io.vertx.core.Future in project vert.x by eclipse.

the class Http2ServerTest method testClientSendGoAwayInternalError.

@Test
public void testClientSendGoAwayInternalError() throws Exception {
    Future<Void> abc = Future.future();
    Context ctx = vertx.getOrCreateContext();
    Handler<HttpServerRequest> requestHandler = req -> {
        HttpConnection conn = req.connection();
        AtomicInteger status = new AtomicInteger();
        conn.goAwayHandler(ga -> {
            assertOnIOContext(ctx);
            assertEquals(0, status.getAndIncrement());
            req.response().end();
        });
        conn.shutdownHandler(v -> {
            assertOnIOContext(ctx);
            assertEquals(1, status.getAndIncrement());
        });
        conn.closeHandler(v -> {
            assertEquals(2, status.getAndIncrement());
            testComplete();
        });
        abc.complete();
    };
    server.requestHandler(requestHandler);
    startServer(ctx);
    TestClient client = new TestClient();
    ChannelFuture fut = client.connect(DEFAULT_HTTPS_PORT, DEFAULT_HTTPS_HOST, request -> {
        Http2ConnectionEncoder encoder = request.encoder;
        int id = request.nextStreamId();
        encoder.writeHeaders(request.context, id, GET("/"), 0, true, request.context.newPromise());
        request.context.flush();
        abc.setHandler(ar -> {
            encoder.writeGoAway(request.context, id, 3, Unpooled.EMPTY_BUFFER, request.context.newPromise());
            request.context.flush();
        });
    });
    fut.sync();
    await();
}

Example 5 with Future

use of io.vertx.core.Future in project vert.x by eclipse.

the class FutureTest method testAllLargeList.

private void testAllLargeList(int size) {
    List<Future> list = new ArrayList<>();
    for (int i = 0; i < size; i++) {
        list.add(Future.succeededFuture());
    }
    CompositeFuture composite = CompositeFuture.all(list);
    Checker<CompositeFuture> checker = new Checker<>(composite);
    checker.assertSucceeded(composite);
    for (int i = 0; i < size; i++) {
        list.clear();
        Throwable cause = new Exception();
        for (int j = 0; j < size; j++) {
            list.add(i == j ? Future.failedFuture(cause) : Future.succeededFuture());
        }
        composite = CompositeFuture.all(list);
        checker = new Checker<>(composite);
        checker.assertFailed(cause);
        for (int j = 0; j < size; j++) {
            if (i == j) {
                assertTrue(composite.failed(j));
            } else {
                assertTrue(composite.succeeded(j));
            }
        }
    }
}