validate() — netty Function Reference

Architecture documentation for the validate() function in DefaultFileRegion.java from the netty codebase.

Function java Buffer Telemetry called by 1

Entity Profile

Buffer→ Telemetry→ validate() — netty Function Reference

Dependency Diagram

graph TD
  7cf04b92_1a1a_0e5e_312a_55f4e2c4f328["validate()"]
  2525a814_0b60_9da3_6f4c_3129cbf6980c["DefaultFileRegion"]
  7cf04b92_1a1a_0e5e_312a_55f4e2c4f328 -->|defined in| 2525a814_0b60_9da3_6f4c_3129cbf6980c
  bae3c5c8_62a5_1c82_ede3_eb8ba7bb58ba["transferTo()"]
  bae3c5c8_62a5_1c82_ede3_eb8ba7bb58ba -->|calls| 7cf04b92_1a1a_0e5e_312a_55f4e2c4f328
  style 7cf04b92_1a1a_0e5e_312a_55f4e2c4f328 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/DefaultFileRegion.java lines 181–191

    static void validate(DefaultFileRegion region, long position) throws IOException {
        // If the amount of written data is 0 we need to check if the requested count is bigger then the
        // actual file itself as it may have been truncated on disk.
        //
        // See https://github.com/netty/netty/issues/8868
        long size = region.file.size();
        long count = region.count - position;
        if (region.position + count + position > size) {
            throw new IOException("Underlying file size " + size + " smaller then requested count " + region.count);
        }
    }