encodeHeadersEnforceMaxHeaderListSize() — netty Function Reference

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/HpackEncoder.java lines 128–144

    private void encodeHeadersEnforceMaxHeaderListSize(int streamId, ByteBuf out, Http2Headers headers,
                                                       SensitivityDetector sensitivityDetector)
      throws Http2Exception {
        long headerSize = 0;
        // To ensure we stay consistent with our peer check the size is valid before we potentially modify HPACK state.
        for (Map.Entry<CharSequence, CharSequence> header : headers) {
            CharSequence name = header.getKey();
            CharSequence value = header.getValue();
            // OK to increment now and check for bounds after because this value is limited to unsigned int and will not
            // overflow.
            headerSize += HpackHeaderField.sizeOf(name, value);
            if (headerSize > maxHeaderListSize) {
                headerListSizeExceeded(streamId, maxHeaderListSize, false);
            }
        }
        encodeHeadersIgnoreMaxHeaderListSize(out, headers, sensitivityDetector);
    }