14 lines
397 B
Rust
14 lines
397 B
Rust
use std::time::Duration;
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use rand::Rng;
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const INITIAL_DELAY_MS: u64 = 200;
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const BACKOFF_FACTOR: f64 = 2.0;
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pub(crate) fn backoff(attempt: u64) -> Duration {
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let exp = BACKOFF_FACTOR.powi(attempt.saturating_sub(1) as i32);
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let base = (INITIAL_DELAY_MS as f64 * exp) as u64;
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let jitter = rand::rng().random_range(0.9..1.1);
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Duration::from_millis((base as f64 * jitter) as u64)
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}
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