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checkChecksum() — netty Function Reference

Architecture documentation for the checkChecksum() function in CompressionUtil.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Dependency Diagram

graph TD
  00114dad_6fc8_28d1_3c05_ae34c1578b32["checkChecksum()"]
  b678ebbd_688b_7807_e413_4d37c69d7bdd["CompressionUtil"]
  00114dad_6fc8_28d1_3c05_ae34c1578b32 -->|defined in| b678ebbd_688b_7807_e413_4d37c69d7bdd
  style 00114dad_6fc8_28d1_3c05_ae34c1578b32 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-compression/src/main/java/io/netty/handler/codec/compression/CompressionUtil.java lines 26–37

    static void checkChecksum(ByteBufChecksum checksum, ByteBuf uncompressed, int currentChecksum) {
        checksum.reset();
        checksum.update(uncompressed,
                uncompressed.readerIndex(), uncompressed.readableBytes());

        final int checksumResult = (int) checksum.getValue();
        if (checksumResult != currentChecksum) {
            throw new DecompressionException(String.format(
                    "stream corrupted: mismatching checksum: %d (expected: %d)",
                    checksumResult, currentChecksum));
        }
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does checkChecksum() do?
checkChecksum() is a function in the netty codebase, defined in codec-compression/src/main/java/io/netty/handler/codec/compression/CompressionUtil.java.
Where is checkChecksum() defined?
checkChecksum() is defined in codec-compression/src/main/java/io/netty/handler/codec/compression/CompressionUtil.java at line 26.

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