verifyCrc() — netty Function Reference

Architecture documentation for the verifyCrc() function in JdkZlibDecoder.java from the netty codebase.

Function java Buffer Allocators called by 1

Entity Profile

Buffer→ Allocators→ verifyCrc() — netty Function Reference

Dependency Diagram

graph TD
  b05f4322_2917_b60e_0c34_198b6d36ffdc["verifyCrc()"]
  bba68af7_04c2_8ee6_82f0_73e08fa3f9cd["JdkZlibDecoder"]
  b05f4322_2917_b60e_0c34_198b6d36ffdc -->|defined in| bba68af7_04c2_8ee6_82f0_73e08fa3f9cd
  d0cd03db_9b26_0705_c3cd_3780ad92c927["readGZIPFooter()"]
  d0cd03db_9b26_0705_c3cd_3780ad92c927 -->|calls| b05f4322_2917_b60e_0c34_198b6d36ffdc
  style b05f4322_2917_b60e_0c34_198b6d36ffdc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-compression/src/main/java/io/netty/handler/codec/compression/JdkZlibDecoder.java lines 492–504

    private boolean verifyCrc(ByteBuf in) {
        if (in.readableBytes() < 4) {
            return false;
        }
        long crcValue = in.readUnsignedIntLE();

        long readCrc = crc.getValue();
        if (crcValue != readCrc) {
            throw new DecompressionException(
                    "CRC value mismatch. Expected: " + crcValue + ", Got: " + readCrc);
        }
        return true;
    }