Examples with ChannelPromise io.netty.channel.ChannelPromise used on opensource projects

Example 76 with ChannelPromise

use of io.netty.channel.ChannelPromise in project netty by netty.

the class Http2FrameCodecTest method streamIdentifiersExhausted.

@Test
public void streamIdentifiersExhausted() throws Http2Exception {
    int maxServerStreamId = Integer.MAX_VALUE - 1;
    assertNotNull(frameCodec.connection().local().createStream(maxServerStreamId, false));
    Http2FrameStream stream = frameCodec.newStream();
    assertNotNull(stream);
    ChannelPromise writePromise = channel.newPromise();
    channel.writeAndFlush(new DefaultHttp2HeadersFrame(new DefaultHttp2Headers()).stream(stream), writePromise);
    Http2GoAwayFrame goAwayFrame = inboundHandler.readInbound();
    assertNotNull(goAwayFrame);
    assertEquals(NO_ERROR.code(), goAwayFrame.errorCode());
    assertEquals(Integer.MAX_VALUE, goAwayFrame.lastStreamId());
    goAwayFrame.release();
    assertThat(writePromise.cause(), instanceOf(Http2NoMoreStreamIdsException.class));
}

Example 77 with ChannelPromise

use of io.netty.channel.ChannelPromise in project netty by netty.

the class Http2FrameCodecTest method doNotLeakOnFailedInitializationForChannels.

@Test
public void doNotLeakOnFailedInitializationForChannels() throws Exception {
    setUp(Http2FrameCodecBuilder.forServer(), new Http2Settings().maxConcurrentStreams(2));
    Http2FrameStream stream1 = frameCodec.newStream();
    Http2FrameStream stream2 = frameCodec.newStream();
    ChannelPromise stream1HeaderPromise = channel.newPromise();
    ChannelPromise stream2HeaderPromise = channel.newPromise();
    channel.writeAndFlush(new DefaultHttp2HeadersFrame(new DefaultHttp2Headers()).stream(stream1), stream1HeaderPromise);
    channel.runPendingTasks();
    frameInboundWriter.writeInboundGoAway(stream1.id(), 0L, Unpooled.EMPTY_BUFFER);
    channel.writeAndFlush(new DefaultHttp2HeadersFrame(new DefaultHttp2Headers()).stream(stream2), stream2HeaderPromise);
    channel.runPendingTasks();
    assertTrue(stream1HeaderPromise.syncUninterruptibly().isSuccess());
    assertTrue(stream2HeaderPromise.isDone());
    assertEquals(0, frameCodec.numInitializingStreams());
    assertFalse(channel.finishAndReleaseAll());
}

Example 78 with ChannelPromise

use of io.netty.channel.ChannelPromise in project netty by netty.

the class Http2FrameCodecTest method newOutboundStreamsShouldBeBuffered.

@Test
public void newOutboundStreamsShouldBeBuffered() throws Exception {
    setUp(Http2FrameCodecBuilder.forServer().encoderEnforceMaxConcurrentStreams(true), new Http2Settings().maxConcurrentStreams(1));
    Http2FrameStream stream1 = frameCodec.newStream();
    Http2FrameStream stream2 = frameCodec.newStream();
    ChannelPromise promise1 = channel.newPromise();
    ChannelPromise promise2 = channel.newPromise();
    channel.writeAndFlush(new DefaultHttp2HeadersFrame(new DefaultHttp2Headers()).stream(stream1), promise1);
    channel.writeAndFlush(new DefaultHttp2HeadersFrame(new DefaultHttp2Headers()).stream(stream2), promise2);
    assertTrue(isStreamIdValid(stream1.id()));
    channel.runPendingTasks();
    assertTrue(isStreamIdValid(stream2.id()));
    assertTrue(promise1.syncUninterruptibly().isSuccess());
    assertFalse(promise2.isDone());
    // Increase concurrent streams limit to 2
    frameInboundWriter.writeInboundSettings(new Http2Settings().maxConcurrentStreams(2));
    channel.flush();
    assertTrue(promise2.syncUninterruptibly().isSuccess());
}

Example 79 with ChannelPromise

use of io.netty.channel.ChannelPromise in project netty by netty.

the class Http2ConnectionRoundtripTest method writeOfEmptyReleasedBufferQueuedInFlowControllerShouldFail.

private void writeOfEmptyReleasedBufferQueuedInFlowControllerShouldFail(final WriteEmptyBufferMode mode) throws Exception {
    bootstrapEnv(1, 1, 2, 1);
    final ChannelPromise emptyDataPromise = newPromise();
    runInChannel(clientChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Client.encoder().writeHeaders(ctx(), 3, EmptyHttp2Headers.INSTANCE, 0, (short) 16, false, 0, false, newPromise());
            ByteBuf emptyBuf = Unpooled.buffer();
            emptyBuf.release();
            switch(mode) {
                case SINGLE_END_OF_STREAM:
                    http2Client.encoder().writeData(ctx(), 3, emptyBuf, 0, true, emptyDataPromise);
                    break;
                case SECOND_END_OF_STREAM:
                    http2Client.encoder().writeData(ctx(), 3, emptyBuf, 0, false, emptyDataPromise);
                    http2Client.encoder().writeData(ctx(), 3, randomBytes(8), 0, true, newPromise());
                    break;
                case SINGLE_WITH_TRAILERS:
                    http2Client.encoder().writeData(ctx(), 3, emptyBuf, 0, false, emptyDataPromise);
                    http2Client.encoder().writeHeaders(ctx(), 3, EmptyHttp2Headers.INSTANCE, 0, (short) 16, false, 0, true, newPromise());
                    break;
                case SECOND_WITH_TRAILERS:
                    http2Client.encoder().writeData(ctx(), 3, emptyBuf, 0, false, emptyDataPromise);
                    http2Client.encoder().writeData(ctx(), 3, randomBytes(8), 0, false, newPromise());
                    http2Client.encoder().writeHeaders(ctx(), 3, EmptyHttp2Headers.INSTANCE, 0, (short) 16, false, 0, true, newPromise());
                    break;
                default:
                    throw new Error();
            }
            http2Client.flush(ctx());
        }
    });
    ExecutionException e = assertThrows(ExecutionException.class, new Executable() {

        @Override
        public void execute() throws Throwable {
            emptyDataPromise.get();
        }
    });
    assertThat(e.getCause(), is(instanceOf(IllegalReferenceCountException.class)));
}

Example 80 with ChannelPromise

use of io.netty.channel.ChannelPromise in project netty by netty.

the class Http2ControlFrameLimitEncoderTest method teardown.

@AfterEach
public void teardown() {
    // Close and release any buffered frames.
    encoder.close();
    // debugData.
    for (; ; ) {
        ChannelPromise promise = goAwayPromises.poll();
        if (promise == null) {
            break;
        }
        promise.setSuccess();
    }
}