Http2Settings() — netty Function Reference

Architecture documentation for the Http2Settings() function in Http2ServerUpgradeCodec.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Buffer→ Allocators→ Http2Settings() — netty Function Reference

Dependency Diagram

graph TD
  70c7a352_20d5_15d1_e9e4_c35555e171e9["Http2Settings()"]
  c35ffca0_c07b_0afb_4806_c07fa100b346["Http2ServerUpgradeCodec"]
  70c7a352_20d5_15d1_e9e4_c35555e171e9 -->|defined in| c35ffca0_c07b_0afb_4806_c07fa100b346
  style 70c7a352_20d5_15d1_e9e4_c35555e171e9 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/Http2ServerUpgradeCodec.java lines 166–181

    private Http2Settings decodeSettingsHeader(ChannelHandlerContext ctx, CharSequence settingsHeader)
            throws Http2Exception {
        ByteBuf header = ByteBufUtil.encodeString(ctx.alloc(), CharBuffer.wrap(settingsHeader), CharsetUtil.UTF_8);
        try {
            // Decode the SETTINGS payload.
            ByteBuf payload = Base64.decode(header, URL_SAFE);

            // Create an HTTP/2 frame for the settings.
            ByteBuf frame = createSettingsFrame(ctx, payload);

            // Decode the SETTINGS frame and return the settings object.
            return decodeSettings(ctx, frame);
        } finally {
            header.release();
        }
    }