Examples with DefaultHttp2RemoteFlowController io.netty.handler.codec.http2.DefaultHttp2RemoteFlowController used on opensource projects

Example 1 with DefaultHttp2RemoteFlowController

use of io.netty.handler.codec.http2.DefaultHttp2RemoteFlowController in project netty by netty.

the class NoPriorityByteDistributionBenchmark method setupTrial.

@Setup(Level.Trial)
public void setupTrial() throws Exception {
    connection = new DefaultHttp2Connection(false);
    dataRefresherKey = connection.newKey();
    // Create the flow controller
    switch(algorithm) {
        case WFQ:
            distributor = new WeightedFairQueueByteDistributor(connection, 0);
            break;
        case UNIFORM:
            distributor = new UniformStreamByteDistributor(connection);
            break;
    }
    controller = new DefaultHttp2RemoteFlowController(connection, new ByteCounter(distributor));
    connection.remote().flowController(controller);
    Http2ConnectionHandler handler = new Http2ConnectionHandlerBuilder().encoderEnforceMaxConcurrentStreams(false).validateHeaders(false).frameListener(new Http2FrameAdapter()).connection(connection).build();
    ctx = new EmbeddedChannelWriteReleaseHandlerContext(PooledByteBufAllocator.DEFAULT, handler) {

        @Override
        protected void handleException(Throwable t) {
            handleUnexpectedException(t);
        }
    };
    handler.handlerAdded(ctx);
    handler.channelActive(ctx);
    // Create the streams, each initialized with MAX_INT bytes.
    for (int i = 0; i < numStreams; ++i) {
        Http2Stream stream = connection.local().createStream(toStreamId(i), false);
        addData(stream, Integer.MAX_VALUE);
        stream.setProperty(dataRefresherKey, new DataRefresher(stream));
    }
}

Example 2 with DefaultHttp2RemoteFlowController

use of io.netty.handler.codec.http2.DefaultHttp2RemoteFlowController in project netty by netty.

the class DataCompressionHttp2Test method bootstrapEnv.

private void bootstrapEnv(int serverOutSize) throws Exception {
    final CountDownLatch prefaceWrittenLatch = new CountDownLatch(1);
    serverOut = new ByteArrayOutputStream(serverOutSize);
    serverLatch = new CountDownLatch(1);
    sb = new ServerBootstrap();
    cb = new Bootstrap();
    // Streams are created before the normal flow for this test, so these connection must be initialized up front.
    serverConnection = new DefaultHttp2Connection(true);
    clientConnection = new DefaultHttp2Connection(false);
    serverConnection.addListener(new Http2ConnectionAdapter() {

        @Override
        public void onStreamClosed(Http2Stream stream) {
            serverLatch.countDown();
        }
    });
    doAnswer(new Answer<Integer>() {

        @Override
        public Integer answer(InvocationOnMock in) throws Throwable {
            ByteBuf buf = (ByteBuf) in.getArguments()[2];
            int padding = (Integer) in.getArguments()[3];
            int processedBytes = buf.readableBytes() + padding;
            buf.readBytes(serverOut, buf.readableBytes());
            if (in.getArgument(4)) {
                serverConnection.stream((Integer) in.getArgument(1)).close();
            }
            return processedBytes;
        }
    }).when(serverListener).onDataRead(any(ChannelHandlerContext.class), anyInt(), any(ByteBuf.class), anyInt(), anyBoolean());
    final CountDownLatch serverChannelLatch = new CountDownLatch(1);
    sb.group(new NioEventLoopGroup(), new NioEventLoopGroup());
    sb.channel(NioServerSocketChannel.class);
    sb.childHandler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            serverConnectedChannel = ch;
            ChannelPipeline p = ch.pipeline();
            Http2FrameWriter frameWriter = new DefaultHttp2FrameWriter();
            serverConnection.remote().flowController(new DefaultHttp2RemoteFlowController(serverConnection));
            serverConnection.local().flowController(new DefaultHttp2LocalFlowController(serverConnection).frameWriter(frameWriter));
            Http2ConnectionEncoder encoder = new CompressorHttp2ConnectionEncoder(new DefaultHttp2ConnectionEncoder(serverConnection, frameWriter));
            Http2ConnectionDecoder decoder = new DefaultHttp2ConnectionDecoder(serverConnection, encoder, new DefaultHttp2FrameReader());
            Http2ConnectionHandler connectionHandler = new Http2ConnectionHandlerBuilder().frameListener(new DelegatingDecompressorFrameListener(serverConnection, serverListener)).codec(decoder, encoder).build();
            p.addLast(connectionHandler);
            serverChannelLatch.countDown();
        }
    });
    cb.group(new NioEventLoopGroup());
    cb.channel(NioSocketChannel.class);
    cb.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            Http2FrameWriter frameWriter = new DefaultHttp2FrameWriter();
            clientConnection.remote().flowController(new DefaultHttp2RemoteFlowController(clientConnection));
            clientConnection.local().flowController(new DefaultHttp2LocalFlowController(clientConnection).frameWriter(frameWriter));
            clientEncoder = new CompressorHttp2ConnectionEncoder(new DefaultHttp2ConnectionEncoder(clientConnection, frameWriter));
            Http2ConnectionDecoder decoder = new DefaultHttp2ConnectionDecoder(clientConnection, clientEncoder, new DefaultHttp2FrameReader());
            clientHandler = new Http2ConnectionHandlerBuilder().frameListener(new DelegatingDecompressorFrameListener(clientConnection, clientListener)).gracefulShutdownTimeoutMillis(0).codec(decoder, clientEncoder).build();
            p.addLast(clientHandler);
            p.addLast(new ChannelInboundHandlerAdapter() {

                public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
                    if (evt instanceof Http2ConnectionPrefaceWrittenEvent) {
                        prefaceWrittenLatch.countDown();
                        ctx.pipeline().remove(this);
                    }
                }
            });
        }
    });
    serverChannel = sb.bind(new InetSocketAddress(0)).sync().channel();
    int port = ((InetSocketAddress) serverChannel.localAddress()).getPort();
    ChannelFuture ccf = cb.connect(new InetSocketAddress(NetUtil.LOCALHOST, port));
    assertTrue(ccf.awaitUninterruptibly().isSuccess());
    clientChannel = ccf.channel();
    assertTrue(prefaceWrittenLatch.await(5, SECONDS));
    assertTrue(serverChannelLatch.await(5, SECONDS));
}