Struct SimpleLoadBalancer 

pub struct SimpleLoadBalancer<T>
where
    T: Send + Sync + Clone + 'static,
{ /* private fields */ }

A simple load balancer that selects entries in sequential order.

Implementations

impl<T> SimpleLoadBalancer<T>

where T: Send + Sync + Clone + 'static,

pub fn new(entries: Vec<T>) -> Self

Create a new SimpleLoadBalancer from a list of values.

pub async fn update<F, R, N>(&self, handle: F) -> Result<N>

where F: Fn(Arc<SimpleLoadBalancerRef<T>>) -> R, R: Future<Output = Result<N>>,

Update the inner state using an async callback.

Trait Implementations

impl<T> BoxLoadBalancer<T> for SimpleLoadBalancer<T>

where T: Send + Sync + Clone + 'static,

fn alloc<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = T> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Asynchronously allocate the next entry (BoxLoadBalancer version).

fn try_alloc(&self) -> Option<T>

Try to allocate the next entry (BoxLoadBalancer version).

impl<T> Clone for SimpleLoadBalancer<T>

where T: Send + Sync + Clone + 'static + Clone,

fn clone(&self) -> SimpleLoadBalancer<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T> LoadBalancer<T> for SimpleLoadBalancer<T>

where T: Send + Sync + Clone + 'static,

async fn alloc(&self) -> T

Asynchronously allocate the next entry in sequence.

fn try_alloc(&self) -> Option<T>

Try to allocate the next entry in sequence without awaiting.