Struct CachedShaper 

struct CachedShaper {
    generation: u64,
    scheduler: Arc<Scheduler>,
}

What SessionShaper keeps behind its lock.

Fields

generation: u64

The proxy profile generation this scheduler was built from. A mismatch against the plane’s is the whole of the “something changed” signal — comparing profiles would clone one per stream.

scheduler: Arc<Scheduler>

The scheduler every stream opened since the last swap is using.