Example usage for io.netty.handler.codec.http2 Http2Settings pushEnabled

Introduction

In this page you can find the example usage for io.netty.handler.codec.http2 Http2Settings pushEnabled.

Prototype

public Http2Settings pushEnabled(boolean enabled) 

Source Link

Document

Sets the SETTINGS_ENABLE_PUSH value.

Usage

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    // // ww w.j a v  a 2 s .  c  om
    Http2Settings settings = new Http2Settings();
    settings.initialWindowSize(DEFAULT_FLOW_CONTROL_WINDOW);
    settings.pushEnabled(false);
    settings.maxConcurrentStreams(0);
    ByteBuf preface = Http2CodecUtil.connectionPrefaceBuf().retainedDuplicate();
    ctx.write(preface);
    writer.writeSettings(ctx, settings, ctx.newPromise());
    writer.writeWindowUpdate(ctx, 0, 983041, ctx.newPromise());
    ctx.flush();
    ctx.read();
}

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From source file:io.grpc.netty.FixedHttp2ConnectionDecoder.java

License:Apache License

@Override
public Http2Settings localSettings() {
    Http2Settings settings = new Http2Settings();
    Http2FrameReader.Configuration config = frameReader.configuration();
    Http2HeadersDecoder.Configuration headersConfig = config.headersConfiguration();
    Http2FrameSizePolicy frameSizePolicy = config.frameSizePolicy();
    settings.initialWindowSize(flowController().initialWindowSize());
    settings.maxConcurrentStreams(connection.remote().maxActiveStreams());
    settings.headerTableSize(headersConfig.maxHeaderTableSize());
    settings.maxFrameSize(frameSizePolicy.maxFrameSize());
    settings.maxHeaderListSize(headersConfig.maxHeaderListSize());
    if (!connection.isServer()) {
        // Only set the pushEnabled flag if this is a client endpoint.
        settings.pushEnabled(connection.local().allowPushTo());
    }/*from w w  w.j  a  v a  2 s  .c o m*/
    return settings;
}

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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.ja va 2  s.c  o 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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From source file:io.vertx.core.http.impl.HttpUtils.java

License:Open Source License

public static void fromVertxInitialSettings(boolean server, io.vertx.core.http.Http2Settings vertxSettings,
        Http2Settings nettySettings) {
    if (vertxSettings != null) {
        if (!server && vertxSettings.isPushEnabled() != DEFAULT_ENABLE_PUSH) {
            nettySettings.pushEnabled(vertxSettings.isPushEnabled());
        }//from  w ww.  j  a v  a  2s .  c  o  m
        if (vertxSettings.getHeaderTableSize() != DEFAULT_HEADER_TABLE_SIZE) {
            nettySettings.put('\u0001', (Long) vertxSettings.getHeaderTableSize());
        }
        if (vertxSettings.getInitialWindowSize() != DEFAULT_INITIAL_WINDOW_SIZE) {
            nettySettings.initialWindowSize(vertxSettings.getInitialWindowSize());
        }
        if (vertxSettings.getMaxConcurrentStreams() != DEFAULT_MAX_CONCURRENT_STREAMS) {
            nettySettings.maxConcurrentStreams(vertxSettings.getMaxConcurrentStreams());
        }
        if (vertxSettings.getMaxFrameSize() != DEFAULT_MAX_FRAME_SIZE) {
            nettySettings.maxFrameSize(vertxSettings.getMaxFrameSize());
        }
        if (vertxSettings.getMaxHeaderListSize() != DEFAULT_MAX_HEADER_LIST_SIZE) {
            nettySettings.maxHeaderListSize(vertxSettings.getMaxHeaderListSize());
        }
        Map<Integer, Long> extraSettings = vertxSettings.getExtraSettings();
        if (extraSettings != null) {
            extraSettings.forEach((code, setting) -> {
                nettySettings.put((char) (int) code, setting);
            });
        }
    }
}

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From source file:io.vertx.core.http.impl.HttpUtils.java

License:Open Source License

public static Http2Settings fromVertxSettings(io.vertx.core.http.Http2Settings settings) {
    Http2Settings converted = new Http2Settings();
    converted.pushEnabled(settings.isPushEnabled());
    converted.maxFrameSize(settings.getMaxFrameSize());
    converted.initialWindowSize(settings.getInitialWindowSize());
    converted.headerTableSize(settings.getHeaderTableSize());
    converted.maxConcurrentStreams(settings.getMaxConcurrentStreams());
    converted.maxHeaderListSize(settings.getMaxHeaderListSize());
    if (settings.getExtraSettings() != null) {
        settings.getExtraSettings().forEach((key, value) -> {
            converted.put((char) (int) key, value);
        });/*w w w  . java2  s  .  c  o m*/
    }
    return converted;
}

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From source file:jmeter.plugins.http2.sampler.Http2ClientInitializer.java

License:Apache License

private Http2FrameWriter frameWriter() {
    // Set initial SETTINGS
    Http2Settings settings = new Http2Settings();
    settings.pushEnabled(false);
    settings.maxConcurrentStreams(100);/*from www  .  j av  a  2s . c  o  m*/

    return new Http2OutboundFrameLogger(new CustomHttp2FrameWriter(settings), logger);
}

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