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remoteSettings() — netty Function Reference

Architecture documentation for the remoteSettings() function in DefaultHttp2ConnectionEncoder.java from the netty codebase.

Function java Buffer Allocators called by 1

Entity Profile

Dependency Diagram

graph TD
  3b9fd337_1dee_1fd1_8836_e44e24fe69ae["remoteSettings()"]
  895939a0_f585_4538_b1ac_90be365f6464["DefaultHttp2ConnectionEncoder"]
  3b9fd337_1dee_1fd1_8836_e44e24fe69ae -->|defined in| 895939a0_f585_4538_b1ac_90be365f6464
  f7c83e25_f1bc_4ff3_1eaa_ebd5521fad31["ChannelFuture()"]
  f7c83e25_f1bc_4ff3_1eaa_ebd5521fad31 -->|calls| 3b9fd337_1dee_1fd1_8836_e44e24fe69ae
  style 3b9fd337_1dee_1fd1_8836_e44e24fe69ae fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2ConnectionEncoder.java lines 78–116

    @Override
    public void remoteSettings(Http2Settings settings) throws Http2Exception {
        Boolean pushEnabled = settings.pushEnabled();
        Http2FrameWriter.Configuration config = configuration();
        Http2HeadersEncoder.Configuration outboundHeaderConfig = config.headersConfiguration();
        Http2FrameSizePolicy outboundFrameSizePolicy = config.frameSizePolicy();
        if (pushEnabled != null) {
            if (!connection.isServer() && pushEnabled) {
                throw connectionError(PROTOCOL_ERROR,
                    "Client received a value of ENABLE_PUSH specified to other than 0");
            }
            connection.remote().allowPushTo(pushEnabled);
        }

        Long maxConcurrentStreams = settings.maxConcurrentStreams();
        if (maxConcurrentStreams != null) {
            connection.local().maxActiveStreams((int) min(maxConcurrentStreams, MAX_VALUE));
        }

        Long headerTableSize = settings.headerTableSize();
        if (headerTableSize != null) {
            outboundHeaderConfig.maxHeaderTableSize(headerTableSize);
        }

        Long maxHeaderListSize = settings.maxHeaderListSize();
        if (maxHeaderListSize != null) {
            outboundHeaderConfig.maxHeaderListSize(maxHeaderListSize);
        }

        Integer maxFrameSize = settings.maxFrameSize();
        if (maxFrameSize != null) {
            outboundFrameSizePolicy.maxFrameSize(maxFrameSize);
        }

        Integer initialWindowSize = settings.initialWindowSize();
        if (initialWindowSize != null) {
            flowController().initialWindowSize(initialWindowSize);
        }
    }

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Source

Frequently Asked Questions

What does remoteSettings() do?
remoteSettings() is a function in the netty codebase, defined in codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2ConnectionEncoder.java.
Where is remoteSettings() defined?
remoteSettings() is defined in codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2ConnectionEncoder.java at line 78.
What calls remoteSettings()?
remoteSettings() is called by 1 function(s): ChannelFuture.

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