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verifySettingsFrame() — netty Function Reference

Architecture documentation for the verifySettingsFrame() function in DefaultHttp2FrameReader.java from the netty codebase.

Function java Buffer Allocators calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  4322b5c6_37ec_7799_9f11_d6f1d402f684["verifySettingsFrame()"]
  3768d640_58c2_34e7_3d69_a4b578e0d11a["DefaultHttp2FrameReader"]
  4322b5c6_37ec_7799_9f11_d6f1d402f684 -->|defined in| 3768d640_58c2_34e7_3d69_a4b578e0d11a
  80aaad85_d41e_97a8_6671_ac352891e88f["verifyFrameState()"]
  80aaad85_d41e_97a8_6671_ac352891e88f -->|calls| 4322b5c6_37ec_7799_9f11_d6f1d402f684
  069bb3c4_e0d2_3ec9_e70b_ad5573d3a4ad["verifyNotProcessingHeaders()"]
  4322b5c6_37ec_7799_9f11_d6f1d402f684 -->|calls| 069bb3c4_e0d2_3ec9_e70b_ad5573d3a4ad
  style 4322b5c6_37ec_7799_9f11_d6f1d402f684 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2FrameReader.java lines 322–333

    private void verifySettingsFrame() throws Http2Exception {
        verifyNotProcessingHeaders();
        if (streamId != 0) {
            throw connectionError(PROTOCOL_ERROR, "A stream ID must be zero.");
        }
        if (flags.ack() && payloadLength > 0) {
            throw connectionError(FRAME_SIZE_ERROR, "Ack settings frame must have an empty payload.");
        }
        if (payloadLength % SETTING_ENTRY_LENGTH > 0) {
            throw connectionError(FRAME_SIZE_ERROR, "Frame length %d invalid.", payloadLength);
        }
    }

Domain

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Defined In

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Source

Frequently Asked Questions

What does verifySettingsFrame() do?
verifySettingsFrame() is a function in the netty codebase, defined in codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2FrameReader.java.
Where is verifySettingsFrame() defined?
verifySettingsFrame() is defined in codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2FrameReader.java at line 322.
What does verifySettingsFrame() call?
verifySettingsFrame() calls 1 function(s): verifyNotProcessingHeaders.
What calls verifySettingsFrame()?
verifySettingsFrame() is called by 1 function(s): verifyFrameState.

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