validate() — netty Function Reference

Architecture documentation for the validate() function in Http3HeadersSink.java from the netty codebase.

Function java Buffer Allocators called by 1

Entity Profile

Buffer→ Allocators→ validate() — netty Function Reference

Dependency Diagram

graph TD
  32d30781_9415_0458_7c5d_8612347eea84["validate()"]
  7f15a7d9_1c9f_da48_4b29_ed705f5855b4["Http3HeadersSink"]
  32d30781_9415_0458_7c5d_8612347eea84 -->|defined in| 7f15a7d9_1c9f_da48_4b29_ed705f5855b4
  3e93004a_af2f_c154_00e3_da6f04fc3bc6["accept()"]
  3e93004a_af2f_c154_00e3_da6f04fc3bc6 -->|calls| 32d30781_9415_0458_7c5d_8612347eea84
  style 32d30781_9415_0458_7c5d_8612347eea84 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http3/src/main/java/io/netty/handler/codec/http3/Http3HeadersSink.java lines 172–198

    private void validate(Http3Headers headers, CharSequence name) {
        if (hasPseudoHeaderFormat(name)) {
            if (previousType == HeaderType.REGULAR_HEADER) {
                throw new Http3HeadersValidationException(
                        String.format("Pseudo-header field '%s' found after regular header.", name));
            }

            final Http3Headers.PseudoHeaderName pseudoHeader = getPseudoHeader(name);
            if (pseudoHeader == null) {
                throw new Http3HeadersValidationException(
                        String.format("Invalid HTTP/3 pseudo-header '%s' encountered.", name));
            }
            if ((receivedPseudoHeaders & pseudoHeader.getFlag()) != 0) {
                // There can't be any duplicates for pseudy header names.
                throw new Http3HeadersValidationException(
                        String.format("Pseudo-header field '%s' exists already.", name));
            }
            receivedPseudoHeaders |= pseudoHeader.getFlag();

            final HeaderType currentHeaderType = pseudoHeader.isRequestOnly() ?
                    HeaderType.REQUEST_PSEUDO_HEADER : HeaderType.RESPONSE_PSEUDO_HEADER;
            request = pseudoHeader.isRequestOnly();
            previousType = currentHeaderType;
        } else {
            previousType = HeaderType.REGULAR_HEADER;
        }
    }