Struct NoCache 

pub struct NoCache;

The default BlobCache: never caches. Every get misses and every put discards, so a Streamer built with it always fetches the whole range and stores nothing. A caller that wants revisit-reuse injects a real cache above decdn-client.

Trait Implementations

impl BlobCache for NoCache

fn caches(&self) -> bool

Whether this cache actually stores what it is given. A caller that would have to materialize the whole blob just to tee it here (the Streamer’s revisit tee) skips that work — and the memory it costs — when this is false. Defaults to true; a no-op cache overrides it.

fn get( &self, _hash: [u8; 32], _offset: u64, _len: u64, ) -> SinkFuture<'_, Option<Bytes>>

Return cached content bytes for exactly [offset, offset + len) of hash, or None on a miss. A partial hold is a miss — the caller fetches the whole range rather than stitching a fragment.

fn put( &self, _hash: [u8; 32], _offset: u64, _bytes: Bytes, ) -> SinkFuture<'_, ()>

Store verified content bytes as [offset, offset + bytes.len()) of hash. A cache that does not want the range may drop it.

impl Clone for NoCache

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for NoCache

impl Debug for NoCache

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

Formats the value using the given formatter.

impl Default for NoCache

fn default() -> Self

Returns the “default value” for a type.