Struct FileBackend 

pub struct FileBackend { /* private fields */ }

Storage backend backed by a local file using pread(2) for lock-free concurrent reads.

Implementations

impl FileBackend

pub fn new(path: &Path) -> Result<Self>

Opens the file at path read-only and caches its size.

Trait Implementations

impl Debug for FileBackend

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl StorageBackend for FileBackend

fn read_exact(&self, offset: u64, len: usize) -> Result<Bytes>

Reads exactly len bytes starting at offset from the underlying store.

fn len(&self) -> u64

Returns the total logical size of the underlying archive in bytes.

fn is_empty(&self) -> bool

Returns true if the underlying store has zero length.