Struct Bulkhead 

pub struct Bulkhead { /* private fields */ }

A semaphore-based bulkhead for limiting the number of concurrent calls to a resource.

This type can be safely cloned and sent across threads while maintaining the correct number of allowed concurrent calls.

Implementations

impl Bulkhead

pub async fn limit<F, R>(&self, f: F) -> Result<R, BulkheadError>

where F: Future<Output = R>,

Limits the number of concurrent calls using a semaphore with the specified maximum concurrent calls and semaphore wait duration.

When the semaphore permit can’t be acquired before the specified duration, the Err(BulkheadError::Timeout) value is returned.

impl Bulkhead

pub fn new() -> Self

Creates a new bulkhead with the default configuration

pub fn builder() -> BulkheadBuilder

Creates a new BulkheadBuilder containing the default configuration

Trait Implementations

impl Clone for Bulkhead

fn clone(&self) -> Bulkhead

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Bulkhead

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

Formats the value using the given formatter.

impl Default for Bulkhead

fn default() -> Self

Returns the “default value” for a type.