encodeTrailingHeaders() — netty Function Reference

Architecture documentation for the encodeTrailingHeaders() function in HttpObjectEncoder.java from the netty codebase.

Function java ProtocolCodecs HTTP calls 2 called by 1

Entity Profile

ProtocolCodecs→ HTTP→ encodeTrailingHeaders() — netty Function Reference

Dependency Diagram

graph TD
  b88925d1_5b58_297b_cb31_2e2407fdc926["encodeTrailingHeaders()"]
  14c61705_9541_276a_37fa_eaab6f15ec5a["HttpObjectEncoder"]
  b88925d1_5b58_297b_cb31_2e2407fdc926 -->|defined in| 14c61705_9541_276a_37fa_eaab6f15ec5a
  5a1c3f74_95b1_8e88_f9a6_79d4afc3659b["encodeChunkedHttpContent()"]
  5a1c3f74_95b1_8e88_f9a6_79d4afc3659b -->|calls| b88925d1_5b58_297b_cb31_2e2407fdc926
  b3b89c92_5298_f5c5_d6a1_4c89ee133142["encodeHeaders()"]
  b88925d1_5b58_297b_cb31_2e2407fdc926 -->|calls| b3b89c92_5298_f5c5_d6a1_4c89ee133142
  c9b839f5_b11e_076e_2e87_574417154e52["padSizeForAccumulation()"]
  b88925d1_5b58_297b_cb31_2e2407fdc926 -->|calls| c9b839f5_b11e_076e_2e87_574417154e52
  style b88925d1_5b58_297b_cb31_2e2407fdc926 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/HttpObjectEncoder.java lines 506–518

    private void encodeTrailingHeaders(ChannelHandlerContext ctx, HttpHeaders trailingHeaders, List<Object> out) {
        if (trailingHeaders.isEmpty()) {
            out.add(ZERO_CRLF_CRLF_BUF.duplicate());
        } else {
            ByteBuf buf = ctx.alloc().buffer((int) trailersEncodedSizeAccumulator);
            ByteBufUtil.writeMediumBE(buf, ZERO_CRLF_MEDIUM);
            encodeHeaders(trailingHeaders, buf);
            ByteBufUtil.writeShortBE(buf, CRLF_SHORT);
            trailersEncodedSizeAccumulator = TRAILERS_WEIGHT_NEW * padSizeForAccumulation(buf.readableBytes()) +
                    TRAILERS_WEIGHT_HISTORICAL * trailersEncodedSizeAccumulator;
            out.add(buf);
        }
    }