Examples with Http2LocalFlowController io.netty.handler.codec.http2.Http2LocalFlowController used on opensource projects

Example 6 with Http2LocalFlowController

use of io.netty.handler.codec.http2.Http2LocalFlowController in project grpc-java by grpc.

the class NettyHandlerTestBase method windowUpdateMatchesTarget.

@Test
public void windowUpdateMatchesTarget() throws Exception {
    Http2Stream connectionStream = connection().connectionStream();
    Http2LocalFlowController localFlowController = connection().local().flowController();
    makeStream();
    AbstractNettyHandler handler = (AbstractNettyHandler) handler();
    handler.setAutoTuneFlowControl(true);
    ByteBuf data = ctx().alloc().buffer(1024);
    while (data.isWritable()) {
        data.writeLong(1111);
    }
    int length = data.readableBytes();
    ByteBuf frame = dataFrame(3, false, data.copy());
    channelRead(frame);
    int accumulator = length;
    // 40 is arbitrary, any number large enough to trigger a window update would work
    for (int i = 0; i < 40; i++) {
        channelRead(dataFrame(3, false, data.copy()));
        accumulator += length;
    }
    long pingData = handler.flowControlPing().payload();
    ByteBuf buffer = handler.ctx().alloc().buffer(8);
    buffer.writeLong(pingData);
    channelRead(pingFrame(true, buffer));
    assertEquals(accumulator, handler.flowControlPing().getDataSincePing());
    assertEquals(2 * accumulator, localFlowController.initialWindowSize(connectionStream));
}

Example 7 with Http2LocalFlowController

use of io.netty.handler.codec.http2.Http2LocalFlowController in project grpc-java by grpc.

the class NettyClientHandlerTest method connectionWindowShouldBeOverridden.

@Test
@Ignore("Re-enable once https://github.com/grpc/grpc-java/issues/1175 is fixed")
public void connectionWindowShouldBeOverridden() throws Exception {
    // 1MiB
    flowControlWindow = 1048576;
    setUp();
    Http2Stream connectionStream = connection().connectionStream();
    Http2LocalFlowController localFlowController = connection().local().flowController();
    int actualInitialWindowSize = localFlowController.initialWindowSize(connectionStream);
    int actualWindowSize = localFlowController.windowSize(connectionStream);
    assertEquals(flowControlWindow, actualWindowSize);
    assertEquals(flowControlWindow, actualInitialWindowSize);
    assertEquals(1048576, actualWindowSize);
}

Example 8 with Http2LocalFlowController

use of io.netty.handler.codec.http2.Http2LocalFlowController in project netty by netty.

the class Http2FrameCodec method writeHeadersFrame.

private void writeHeadersFrame(Http2HeadersFrame headersFrame, ChannelPromise promise) {
    int streamId = headersFrame.streamId();
    if (!isStreamIdValid(streamId)) {
        final Endpoint<Http2LocalFlowController> localEndpoint = http2Handler.connection().local();
        streamId = localEndpoint.incrementAndGetNextStreamId();
        try {
            // Try to create a stream in OPEN state before writing headers, to catch errors on stream creation
            // early on i.e. max concurrent streams limit reached, stream id exhaustion, etc.
            localEndpoint.createStream(streamId, false);
        } catch (Http2Exception e) {
            promise.setFailure(e);
            return;
        }
        ctx.fireUserEventTriggered(new Http2StreamActiveEvent(streamId, headersFrame));
    }
    http2Handler.encoder().writeHeaders(http2HandlerCtx, streamId, headersFrame.headers(), headersFrame.padding(), headersFrame.isEndStream(), promise);
}

Example 9 with Http2LocalFlowController

use of io.netty.handler.codec.http2.Http2LocalFlowController in project netty by netty.

the class DefaultHttp2ConnectionTest method removeAllStreamsWhileIteratingActiveStreams.

@Test
public void removeAllStreamsWhileIteratingActiveStreams() throws InterruptedException, Http2Exception {
    final Endpoint<Http2RemoteFlowController> remote = client.remote();
    final Endpoint<Http2LocalFlowController> local = client.local();
    for (int c = 3, s = 2; c < 5000; c += 2, s += 2) {
        local.createStream(c, false);
        remote.createStream(s, false);
    }
    final Promise<Void> promise = group.next().newPromise();
    final CountDownLatch latch = new CountDownLatch(client.numActiveStreams());
    client.forEachActiveStream(new Http2StreamVisitor() {

        @Override
        public boolean visit(Http2Stream stream) {
            client.close(promise).addListener(new FutureListener<Void>() {

                @Override
                public void operationComplete(Future<Void> future) throws Exception {
                    assertTrue(promise.isDone());
                    latch.countDown();
                }
            });
            return true;
        }
    });
    assertTrue(latch.await(5, TimeUnit.SECONDS));
}