Examples with EmbeddedChannel io.netty.channel.embedded.EmbeddedChannel used on opensource projects

Example 1 with EmbeddedChannel

use of io.netty.channel.embedded.EmbeddedChannel in project elasticsearch by elastic.

the class Netty4HttpChannelTests method testConnectionClose.

public void testConnectionClose() throws Exception {
    final Settings settings = Settings.builder().build();
    try (Netty4HttpServerTransport httpServerTransport = new Netty4HttpServerTransport(settings, networkService, bigArrays, threadPool, xContentRegistry(), new NullDispatcher())) {
        httpServerTransport.start();
        final FullHttpRequest httpRequest;
        final boolean close = randomBoolean();
        if (randomBoolean()) {
            httpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/");
            if (close) {
                httpRequest.headers().add(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
            }
        } else {
            httpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_0, HttpMethod.GET, "/");
            if (!close) {
                httpRequest.headers().add(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
            }
        }
        final EmbeddedChannel embeddedChannel = new EmbeddedChannel();
        final Netty4HttpRequest request = new Netty4HttpRequest(xContentRegistry(), httpRequest, embeddedChannel);
        // send a response, the channel close status should match
        assertTrue(embeddedChannel.isOpen());
        final Netty4HttpChannel channel = new Netty4HttpChannel(httpServerTransport, request, null, randomBoolean(), threadPool.getThreadContext());
        final TestResponse resp = new TestResponse();
        channel.sendResponse(resp);
        assertThat(embeddedChannel.isOpen(), equalTo(!close));
    }
}

Example 2 with EmbeddedChannel

use of io.netty.channel.embedded.EmbeddedChannel in project elasticsearch by elastic.

the class Netty4HttpPipeliningHandlerTests method testThatPipeliningWorksWithChunkedRequests.

public void testThatPipeliningWorksWithChunkedRequests() throws InterruptedException {
    final int numberOfRequests = randomIntBetween(2, 128);
    final EmbeddedChannel embeddedChannel = new EmbeddedChannel(new AggregateUrisAndHeadersHandler(), new HttpPipeliningHandler(numberOfRequests), new WorkEmulatorHandler());
    for (int i = 0; i < numberOfRequests; i++) {
        final DefaultHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/" + i);
        embeddedChannel.writeInbound(request);
        embeddedChannel.writeInbound(LastHttpContent.EMPTY_LAST_CONTENT);
    }
    final List<CountDownLatch> latches = new ArrayList<>();
    for (int i = numberOfRequests - 1; i >= 0; i--) {
        latches.add(finishRequest(Integer.toString(i)));
    }
    for (final CountDownLatch latch : latches) {
        latch.await();
    }
    embeddedChannel.flush();
    for (int i = 0; i < numberOfRequests; i++) {
        assertReadHttpMessageHasContent(embeddedChannel, Integer.toString(i));
    }
    assertTrue(embeddedChannel.isOpen());
}

Example 3 with EmbeddedChannel

use of io.netty.channel.embedded.EmbeddedChannel in project elasticsearch by elastic.

the class Netty4HttpPipeliningHandlerTests method testThatPipeliningClosesConnectionWithTooManyEvents.

public void testThatPipeliningClosesConnectionWithTooManyEvents() throws InterruptedException {
    final int numberOfRequests = randomIntBetween(2, 128);
    final EmbeddedChannel embeddedChannel = new EmbeddedChannel(new HttpPipeliningHandler(numberOfRequests), new WorkEmulatorHandler());
    for (int i = 0; i < 1 + numberOfRequests + 1; i++) {
        embeddedChannel.writeInbound(createHttpRequest("/" + Integer.toString(i)));
    }
    final List<CountDownLatch> latches = new ArrayList<>();
    final List<Integer> requests = IntStream.range(1, numberOfRequests + 1).mapToObj(r -> r).collect(Collectors.toList());
    Randomness.shuffle(requests);
    for (final Integer request : requests) {
        latches.add(finishRequest(request.toString()));
    }
    for (final CountDownLatch latch : latches) {
        latch.await();
    }
    finishRequest(Integer.toString(numberOfRequests + 1)).await();
    embeddedChannel.flush();
    assertFalse(embeddedChannel.isOpen());
}

Example 4 with EmbeddedChannel

use of io.netty.channel.embedded.EmbeddedChannel in project flink by apache.

the class KvStateServerHandlerTest method testQueryUnknownKvStateID.

/**
	 * Tests the failure response with {@link UnknownKvStateID} as cause on
	 * queries for unregistered KvStateIDs.
	 */
@Test
public void testQueryUnknownKvStateID() throws Exception {
    KvStateRegistry registry = new KvStateRegistry();
    AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats();
    KvStateServerHandler handler = new KvStateServerHandler(registry, TEST_THREAD_POOL, stats);
    EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler);
    long requestId = Integer.MAX_VALUE + 182828L;
    ByteBuf request = KvStateRequestSerializer.serializeKvStateRequest(channel.alloc(), requestId, new KvStateID(), new byte[0]);
    // Write the request and wait for the response
    channel.writeInbound(request);
    ByteBuf buf = (ByteBuf) readInboundBlocking(channel);
    // skip frame length
    buf.skipBytes(4);
    // Verify the response
    assertEquals(KvStateRequestType.REQUEST_FAILURE, KvStateRequestSerializer.deserializeHeader(buf));
    KvStateRequestFailure response = KvStateRequestSerializer.deserializeKvStateRequestFailure(buf);
    assertEquals(requestId, response.getRequestId());
    assertTrue("Did not respond with expected failure cause", response.getCause() instanceof UnknownKvStateID);
    assertEquals(1, stats.getNumRequests());
    assertEquals(1, stats.getNumFailed());
}

Example 5 with EmbeddedChannel

use of io.netty.channel.embedded.EmbeddedChannel in project flink by apache.

the class KvStateServerHandlerTest method testFailureOnGetSerializedValue.

/**
	 * Tests the failure response on a failure on the {@link InternalKvState#getSerializedValue(byte[])}
	 * call.
	 */
@Test
public void testFailureOnGetSerializedValue() throws Exception {
    KvStateRegistry registry = new KvStateRegistry();
    AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats();
    KvStateServerHandler handler = new KvStateServerHandler(registry, TEST_THREAD_POOL, stats);
    EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler);
    // Failing KvState
    InternalKvState<?> kvState = mock(InternalKvState.class);
    when(kvState.getSerializedValue(any(byte[].class))).thenThrow(new RuntimeException("Expected test Exception"));
    KvStateID kvStateId = registry.registerKvState(new JobID(), new JobVertexID(), new KeyGroupRange(0, 0), "vanilla", kvState);
    ByteBuf request = KvStateRequestSerializer.serializeKvStateRequest(channel.alloc(), 282872, kvStateId, new byte[0]);
    // Write the request and wait for the response
    channel.writeInbound(request);
    ByteBuf buf = (ByteBuf) readInboundBlocking(channel);
    // skip frame length
    buf.skipBytes(4);
    // Verify the response
    assertEquals(KvStateRequestType.REQUEST_FAILURE, KvStateRequestSerializer.deserializeHeader(buf));
    KvStateRequestFailure response = KvStateRequestSerializer.deserializeKvStateRequestFailure(buf);
    assertTrue(response.getCause().getMessage().contains("Expected test Exception"));
    assertEquals(1, stats.getNumRequests());
    assertEquals(1, stats.getNumFailed());
}