Example usage for io.netty.handler.codec.http2 WeightedFairQueueByteDistributor WeightedFairQueueByteDistributor

Introduction

In this page you can find the example usage for io.netty.handler.codec.http2 WeightedFairQueueByteDistributor WeightedFairQueueByteDistributor.

Prototype

public WeightedFairQueueByteDistributor(Http2Connection connection) 

Source Link

Usage

From source file:io.grpc.netty.NettyClientHandler.java

License:Apache License

static NettyClientHandler newHandler(ClientTransportLifecycleManager lifecycleManager,
        @Nullable KeepAliveManager keepAliveManager, int flowControlWindow, int maxHeaderListSize,
        Supplier<Stopwatch> stopwatchFactory, Runnable tooManyPingsRunnable, TransportTracer transportTracer,
        Attributes eagAttributes, String authority) {
    Preconditions.checkArgument(maxHeaderListSize > 0, "maxHeaderListSize must be positive");
    Http2HeadersDecoder headersDecoder = new GrpcHttp2ClientHeadersDecoder(maxHeaderListSize);
    Http2FrameReader frameReader = new DefaultHttp2FrameReader(headersDecoder);
    Http2FrameWriter frameWriter = new DefaultHttp2FrameWriter();
    Http2Connection connection = new DefaultHttp2Connection(false);
    WeightedFairQueueByteDistributor dist = new WeightedFairQueueByteDistributor(connection);
    dist.allocationQuantum(16 * 1024); // Make benchmarks fast again.
    DefaultHttp2RemoteFlowController controller = new DefaultHttp2RemoteFlowController(connection, dist);
    connection.remote().flowController(controller);

    return newHandler(connection, frameReader, frameWriter, lifecycleManager, keepAliveManager,
            flowControlWindow, maxHeaderListSize, stopwatchFactory, tooManyPingsRunnable, transportTracer,
            eagAttributes, authority);/*  www .jav a2s .  com*/
}

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From source file:io.grpc.netty.NettyServerHandler.java

License:Apache License

@VisibleForTesting
static NettyServerHandler newHandler(ChannelPromise channelUnused, Http2FrameReader frameReader,
        Http2FrameWriter frameWriter, ServerTransportListener transportListener,
        List<? extends ServerStreamTracer.Factory> streamTracerFactories, TransportTracer transportTracer,
        int maxStreams, int flowControlWindow, int maxHeaderListSize, int maxMessageSize,
        long keepAliveTimeInNanos, long keepAliveTimeoutInNanos, long maxConnectionIdleInNanos,
        long maxConnectionAgeInNanos, long maxConnectionAgeGraceInNanos, boolean permitKeepAliveWithoutCalls,
        long permitKeepAliveTimeInNanos) {
    Preconditions.checkArgument(maxStreams > 0, "maxStreams must be positive");
    Preconditions.checkArgument(flowControlWindow > 0, "flowControlWindow must be positive");
    Preconditions.checkArgument(maxHeaderListSize > 0, "maxHeaderListSize must be positive");
    Preconditions.checkArgument(maxMessageSize > 0, "maxMessageSize must be positive");

    final Http2Connection connection = new DefaultHttp2Connection(true);
    WeightedFairQueueByteDistributor dist = new WeightedFairQueueByteDistributor(connection);
    dist.allocationQuantum(16 * 1024); // Make benchmarks fast again.
    DefaultHttp2RemoteFlowController controller = new DefaultHttp2RemoteFlowController(connection, dist);
    connection.remote().flowController(controller);
    final KeepAliveEnforcer keepAliveEnforcer = new KeepAliveEnforcer(permitKeepAliveWithoutCalls,
            permitKeepAliveTimeInNanos, TimeUnit.NANOSECONDS);

    // Create the local flow controller configured to auto-refill the connection window.
    connection.local()/*w w w  .  j  av  a 2s  . c o  m*/
            .flowController(new DefaultHttp2LocalFlowController(connection, DEFAULT_WINDOW_UPDATE_RATIO, true));
    frameWriter = new WriteMonitoringFrameWriter(frameWriter, keepAliveEnforcer);
    Http2ConnectionEncoder encoder = new DefaultHttp2ConnectionEncoder(connection, frameWriter);
    encoder = new Http2ControlFrameLimitEncoder(encoder, 10000);
    Http2ConnectionDecoder decoder = new DefaultHttp2ConnectionDecoder(connection, encoder, frameReader);

    Http2Settings settings = new Http2Settings();
    settings.initialWindowSize(flowControlWindow);
    settings.maxConcurrentStreams(maxStreams);
    settings.maxHeaderListSize(maxHeaderListSize);

    return new NettyServerHandler(channelUnused, connection, transportListener, streamTracerFactories,
            transportTracer, decoder, encoder, settings, maxMessageSize, keepAliveTimeInNanos,
            keepAliveTimeoutInNanos, maxConnectionIdleInNanos, maxConnectionAgeInNanos,
            maxConnectionAgeGraceInNanos, keepAliveEnforcer);
}

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