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channelRead() — netty Function Reference

Architecture documentation for the channelRead() function in Http3PushStreamClientValidationHandler.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Dependency Diagram

graph TD
  26de0d78_d988_3b49_545f_9ea9c5a1f05f["channelRead()"]
  8b018e79_c943_f15d_ceb0_a3954d4af237["Http3PushStreamClientValidationHandler"]
  26de0d78_d988_3b49_545f_9ea9c5a1f05f -->|defined in| 8b018e79_c943_f15d_ceb0_a3954d4af237
  style 26de0d78_d988_3b49_545f_9ea9c5a1f05f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http3/src/main/java/io/netty/handler/codec/http3/Http3PushStreamClientValidationHandler.java lines 44–71

    @Override
    void channelRead(ChannelHandlerContext ctx, Http3RequestStreamFrame frame) {
        if (frame instanceof Http3PushPromiseFrame) {
            ctx.fireChannelRead(frame);
            return;
        }

        if (frame instanceof Http3HeadersFrame) {
            Http3HeadersFrame headersFrame = (Http3HeadersFrame) frame;
            long maybeContentLength = validateHeaderFrameRead(headersFrame, ctx, decodeState);
            if (maybeContentLength >= 0) {
                expectedLength = maybeContentLength;
            } else if (maybeContentLength == INVALID_FRAME_READ) {
                return;
            }
        }

        if (frame instanceof Http3DataFrame) {
            final Http3DataFrame dataFrame = (Http3DataFrame) frame;
            long maybeContentLength = validateDataFrameRead(dataFrame, ctx, expectedLength, seenLength, false);
            if (maybeContentLength >= 0) {
                seenLength = maybeContentLength;
            } else if (maybeContentLength == INVALID_FRAME_READ) {
                return;
            }
        }
        ctx.fireChannelRead(frame);
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does channelRead() do?
channelRead() is a function in the netty codebase, defined in codec-http3/src/main/java/io/netty/handler/codec/http3/Http3PushStreamClientValidationHandler.java.
Where is channelRead() defined?
channelRead() is defined in codec-http3/src/main/java/io/netty/handler/codec/http3/Http3PushStreamClientValidationHandler.java at line 44.

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