Struct SlidingWindow 

pub struct SlidingWindow { /* private fields */ }

A sliding window rate limiter.

Tracks request timestamps within a sliding window and enforces a maximum number of requests within that window.

Implementations

impl SlidingWindow

pub fn new(window: Duration, max_requests: u32) -> Self

Create a new sliding window rate limiter.

pub fn try_acquire(&mut self) -> Result<(), Duration>

Try to acquire a permit.

Returns Ok(()) if allowed, Err(wait_time) if rate limited.

pub fn would_allow(&self) -> bool

Check if a request would be allowed without consuming a permit.

pub fn remaining(&self) -> u32

Get the number of remaining permits.

pub fn time_until_available(&self) -> Option<Duration>

Get the time until the next permit is available.

Returns None if a permit is available now.

pub fn is_empty(&self) -> bool

Check if the window has no active requests.

Trait Implementations

impl Debug for SlidingWindow

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

Formats the value using the given formatter.