decode() — netty Function Reference

Architecture documentation for the decode() function in SpdyHeaderBlockZlibDecoder.java from the netty codebase.

Function java Buffer Allocators calls 2

Entity Profile

Buffer→ Allocators→ decode() — netty Function Reference

Dependency Diagram

graph TD
  55f940f4_62a0_5f9c_ae8e_7b27e9a877bd["decode()"]
  3e933b4d_7bfe_3a56_91b7_1100f316848a["SpdyHeaderBlockZlibDecoder"]
  55f940f4_62a0_5f9c_ae8e_7b27e9a877bd -->|defined in| 3e933b4d_7bfe_3a56_91b7_1100f316848a
  966094b9_d155_4bfe_119e_1f30e062e3bf["setInput()"]
  55f940f4_62a0_5f9c_ae8e_7b27e9a877bd -->|calls| 966094b9_d155_4bfe_119e_1f30e062e3bf
  3fcd2be6_3d2c_6c3a_7f5b_80286c53b539["decompress()"]
  55f940f4_62a0_5f9c_ae8e_7b27e9a877bd -->|calls| 3fcd2be6_3d2c_6c3a_7f5b_80286c53b539
  style 55f940f4_62a0_5f9c_ae8e_7b27e9a877bd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyHeaderBlockZlibDecoder.java lines 40–57

    @Override
    void decode(ByteBufAllocator alloc, ByteBuf headerBlock, SpdyHeadersFrame frame) throws Exception {
        int len = setInput(headerBlock);

        int numBytes;
        do {
            numBytes = decompress(alloc, frame);
        } while (numBytes > 0);

        // z_stream has an internal 64-bit hold buffer
        // it is always capable of consuming the entire input
        if (decompressor.getRemaining() != 0) {
            // we reached the end of the deflate stream
            throw INVALID_HEADER_BLOCK;
        }

        headerBlock.skipBytes(len);
    }