TokenBucket

gemini_genai_rs::transport::flow

Struct TokenBucket 

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pub struct TokenBucket { /* private fields */ }
Expand description

Token bucket rate limiter for send pacing.

Allows bursts up to bucket_capacity bytes, then throttles to refill_rate_bps sustained rate.

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impl TokenBucket

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pub fn new(config: FlowConfig) -> Self

Create a new token bucket with the given configuration.

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pub fn try_consume(&mut self, n: usize) -> bool

Try to consume n tokens. Returns true if allowed, false if rate-limited.

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pub fn wait_duration(&mut self, n: usize) -> Duration

How long to wait before n tokens are available.

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pub async fn consume(&mut self, n: usize)

Consume tokens, waiting if necessary.

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pub fn available(&mut self) -> usize

Current available tokens.

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