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

Introduction

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

Prototype

public StreamBufferingEncoder(Http2ConnectionEncoder delegate) 

Source Link

Usage

From source file:com.linkedin.r2.transport.http.client.Http2StreamCodecBuilder.java

License:Apache License

@Override
public Http2StreamCodec build() {
    ObjectUtil.checkNotNull(_connection, "connection");
    ObjectUtil.checkPositive(_maxHeaderSize, "maxHeaderSize");

    Http2HeadersDecoder headerDecoder = new DefaultHttp2HeadersDecoder(_maxHeaderSize,
            Http2CodecUtil.DEFAULT_HEADER_TABLE_SIZE, isValidateHeaders(), INITIAL_HUFFMAN_DECODE_CAPACITY);
    Http2FrameReader reader = new DefaultHttp2FrameReader(headerDecoder);
    Http2FrameWriter writer = new DefaultHttp2FrameWriter(headerSensitivityDetector());

    if (frameLogger() != null) {
        reader = new Http2InboundFrameLogger(reader, frameLogger());
        writer = new Http2OutboundFrameLogger(writer, frameLogger());
    }//  w  w  w  .jav  a 2s. co m

    Http2ConnectionEncoder encoder = new DefaultHttp2ConnectionEncoder(_connection, writer);
    boolean encoderEnforceMaxConcurrentStreams = encoderEnforceMaxConcurrentStreams();

    if (encoderEnforceMaxConcurrentStreams) {
        if (_connection.isServer()) {
            encoder.close();
            reader.close();
            throw new IllegalArgumentException("encoderEnforceMaxConcurrentStreams: "
                    + encoderEnforceMaxConcurrentStreams + " not supported for server");
        }
        encoder = new StreamBufferingEncoder(encoder);
    }

    Http2ConnectionDecoder decoder = new DefaultHttp2ConnectionDecoder(_connection, encoder, reader);

    super.codec(decoder, encoder);

    return super.build();
}

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

License:Apache License

@VisibleForTesting
static NettyClientHandler newHandler(final Http2Connection connection, Http2FrameReader frameReader,
        Http2FrameWriter frameWriter, ClientTransportLifecycleManager lifecycleManager,
        KeepAliveManager keepAliveManager, int flowControlWindow, int maxHeaderListSize,
        Supplier<Stopwatch> stopwatchFactory, Runnable tooManyPingsRunnable, TransportTracer transportTracer,
        Attributes eagAttributes, String authority) {
    Preconditions.checkNotNull(connection, "connection");
    Preconditions.checkNotNull(frameReader, "frameReader");
    Preconditions.checkNotNull(lifecycleManager, "lifecycleManager");
    Preconditions.checkArgument(flowControlWindow > 0, "flowControlWindow must be positive");
    Preconditions.checkArgument(maxHeaderListSize > 0, "maxHeaderListSize must be positive");
    Preconditions.checkNotNull(stopwatchFactory, "stopwatchFactory");
    Preconditions.checkNotNull(tooManyPingsRunnable, "tooManyPingsRunnable");
    Preconditions.checkNotNull(eagAttributes, "eagAttributes");
    Preconditions.checkNotNull(authority, "authority");

    Http2FrameLogger frameLogger = new Http2FrameLogger(LogLevel.DEBUG, NettyClientHandler.class);
    frameReader = new Http2InboundFrameLogger(frameReader, frameLogger);
    frameWriter = new Http2OutboundFrameLogger(frameWriter, frameLogger);

    StreamBufferingEncoder encoder = new StreamBufferingEncoder(
            new DefaultHttp2ConnectionEncoder(connection, frameWriter));

    // Create the local flow controller configured to auto-refill the connection window.
    connection.local()//from w  w w.java2s  .  co  m
            .flowController(new DefaultHttp2LocalFlowController(connection, DEFAULT_WINDOW_UPDATE_RATIO, true));

    Http2ConnectionDecoder decoder = new DefaultHttp2ConnectionDecoder(connection, encoder, frameReader);

    transportTracer.setFlowControlWindowReader(new TransportTracer.FlowControlReader() {
        final Http2FlowController local = connection.local().flowController();
        final Http2FlowController remote = connection.remote().flowController();

        @Override
        public TransportTracer.FlowControlWindows read() {
            return new TransportTracer.FlowControlWindows(local.windowSize(connection.connectionStream()),
                    remote.windowSize(connection.connectionStream()));
        }
    });

    Http2Settings settings = new Http2Settings();
    settings.pushEnabled(false);
    settings.initialWindowSize(flowControlWindow);
    settings.maxConcurrentStreams(0);
    settings.maxHeaderListSize(maxHeaderListSize);

    return new NettyClientHandler(decoder, encoder, settings, lifecycleManager, keepAliveManager,
            stopwatchFactory, tooManyPingsRunnable, transportTracer, eagAttributes, authority);
}

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