findFieldIndex() — netty Function Reference

Architecture documentation for the findFieldIndex() function in QpackStaticTable.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Buffer→ Allocators→ findFieldIndex() — netty Function Reference

Dependency Diagram

graph TD
  e40a6b68_f153_ac24_1ac1_4e91e6719775["findFieldIndex()"]
  3687ade4_986c_50be_e037_a38635c664d3["QpackStaticTable"]
  e40a6b68_f153_ac24_1ac1_4e91e6719775 -->|defined in| 3687ade4_986c_50be_e037_a38635c664d3
  style e40a6b68_f153_ac24_1ac1_4e91e6719775 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http3/src/main/java/io/netty/handler/codec/http3/QpackStaticTable.java lines 184–202

    static int findFieldIndex(CharSequence name, CharSequence value) {
        final List<Integer> nameIndex = STATIC_INDEX_BY_NAME.get(name);

        // Early return if name not found in the table.
        if (nameIndex == null) {
            return NOT_FOUND;
        }

        // If name was found, check all subsequence elements of the table for exact match.
        for (int index: nameIndex) {
            QpackHeaderField field = STATIC_TABLE.get(index);
            if (QpackUtil.equalsVariableTime(value, field.value)) {
                return index;
            }
        }

        // No exact match was found but we still can reference the name.
        return nameIndex.get(0) | MASK_NAME_REF;
    }