Struct TokenBucketRateLimiter 

pub struct TokenBucketRateLimiter { /* private fields */ }

Token bucket rate limiter with per-key buckets.

Implementations

impl TokenBucketRateLimiter

pub fn new(config: TokenBucketConfig) -> Self

Create a new rate limiter with the given configuration.

pub fn with_rate(capacity: u32, refill_per_second: f64) -> Self

Create a rate limiter with capacity tokens, refilling at refill_per_second tokens/second.

Trait Implementations

impl RateLimiter for TokenBucketRateLimiter

fn check(&self, key: &str) -> bool

Check if a request is allowed. Consumes one token if allowed. Returns true if allowed, false if rate-limited.

fn peek(&self, key: &str) -> u32

Peek at remaining tokens without consuming. Returns the approximate number of available tokens (0 means limited).

fn reset(&self, key: &str)

Reset the limiter state for a key (clears the bucket).