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initControlStream() — netty Function Reference

Architecture documentation for the initControlStream() function in Http3UnidirectionalStreamInboundHandler.java from the netty codebase.

Function java Buffer Allocators called by 1

Entity Profile

Dependency Diagram

graph TD
  44f4bc70_6564_439a_fc6c_13e2b47ed10f["initControlStream()"]
  36d5bd43_dd1d_08a7_bad2_6e9b8c3d046d["Http3UnidirectionalStreamInboundHandler"]
  44f4bc70_6564_439a_fc6c_13e2b47ed10f -->|defined in| 36d5bd43_dd1d_08a7_bad2_6e9b8c3d046d
  1b08c453_9a02_86bf_622f_7896be128c86["decode()"]
  1b08c453_9a02_86bf_622f_7896be128c86 -->|calls| 44f4bc70_6564_439a_fc6c_13e2b47ed10f
  style 44f4bc70_6564_439a_fc6c_13e2b47ed10f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http3/src/main/java/io/netty/handler/codec/http3/Http3UnidirectionalStreamInboundHandler.java lines 118–131

    private void initControlStream(ChannelHandlerContext ctx) {
        if (ctx.channel().parent().attr(REMOTE_CONTROL_STREAM).setIfAbsent(true) == null) {
            ctx.pipeline().addLast(localControlStreamHandler);
            // Replace this handler with the codec now.
            ctx.pipeline().replace(this, null,
                    codecFactory.newCodec(Http3ControlStreamFrameTypeValidator.INSTANCE, NO_STATE,
                            NO_STATE, nonStandardSettingsValidator));
        } else {
            // Only one control stream is allowed.
            // See https://quicwg.org/base-drafts/draft-ietf-quic-http.html#section-6.2.1
            Http3CodecUtils.connectionError(ctx, Http3ErrorCode.H3_STREAM_CREATION_ERROR,
                    "Received multiple control streams.", false);
        }
    }

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does initControlStream() do?
initControlStream() is a function in the netty codebase, defined in codec-http3/src/main/java/io/netty/handler/codec/http3/Http3UnidirectionalStreamInboundHandler.java.
Where is initControlStream() defined?
initControlStream() is defined in codec-http3/src/main/java/io/netty/handler/codec/http3/Http3UnidirectionalStreamInboundHandler.java at line 118.
What calls initControlStream()?
initControlStream() is called by 1 function(s): decode.

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