Struct tokio_retry::strategies::ExponentialBackoff

pub struct ExponentialBackoff { /* fields omitted */ }

A retry strategy driven by exponential back-off.

The power corresponds to the number of past attempts.

Methods

impl ExponentialBackoff

fn from_millis(base: u64) -> ExponentialBackoff

Constructs a new exponential back-off strategy, given a base duration in milliseconds.

The resulting duration is calculated by taking the base to the n-th power, where n denotes the number of past attempts.

Trait Implementations

impl Clone for ExponentialBackoff

fn clone(&self) -> ExponentialBackoff

Returns a copy of the value.

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

Performs copy-assignment from source.

impl RetryStrategy for ExponentialBackoff

fn delay(&mut self) -> Option<Duration>

If Some is returned, causes a delay of the specified duration before the next attempt. If None is returned, causes no further attempts.

fn jitter(self) -> Jittered<Self> where Self: Sized

Introduce full random jitter to the delay between attempts.

fn limit_retries(self, max_retries: usize) -> LimitedRetries<Self> where Self: Sized

Limit the number of retries.

fn limit_delay(self, max_delay: Duration) -> LimitedDelay<Self> where Self: Sized

Limit the delay between attempts.

fn run<S, A, F>(self, sleep: S, action: F) -> RetryFuture<S, Self, A, F> where S: Sleep, Self: Sized, A: IntoFuture, F: FnMut() -> A

Run the provided action, and if it fails, retry it using this strategy.