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Sanitize rate limiting timeout

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Roderick van Domburg 2022-08-31 21:08:11 +02:00
parent 16dbade516
commit 56b5f08a32
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GPG key ID: 87F5FDE8A56219F4
1 changed files with 14 additions and 6 deletions
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20
core/src/http_client.rs
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@ -30,7 +30,8 @@ use crate::{
// The 30 seconds interval is documented by Spotify, but the calls per interval
// is a guesstimate and probably subject to licensing (purchasing extra calls)
// and may change at any time.
pub const RATE_LIMIT_INTERVAL: u64 = 30; // seconds
pub const RATE_LIMIT_INTERVAL: Duration = Duration::from_secs(30);
pub const RATE_LIMIT_MAX_WAIT: Duration = Duration::from_secs(10);
pub const RATE_LIMIT_CALLS_PER_INTERVAL: u32 = 300;
#[derive(Debug, Error)]
@ -122,8 +123,8 @@ impl HttpClient {
HeaderValue::from_static(FALLBACK_USER_AGENT)
});
let replenish_interval_ns = Duration::from_secs(RATE_LIMIT_INTERVAL).as_nanos()
/ RATE_LIMIT_CALLS_PER_INTERVAL as u128;
let replenish_interval_ns =
RATE_LIMIT_INTERVAL.as_nanos() / RATE_LIMIT_CALLS_PER_INTERVAL as u128;
let quota = Quota::with_period(Duration::from_nanos(replenish_interval_ns as u64))
.expect("replenish interval should be valid")
.allow_burst(nonzero![RATE_LIMIT_CALLS_PER_INTERVAL]);
@ -200,10 +201,17 @@ impl HttpClient {
if let Some(retry_after) = response.headers().get("Retry-After") {
if let Ok(retry_after_str) = retry_after.to_str() {
if let Ok(retry_after_secs) = retry_after_str.parse::<u64>() {
warn!("Rate limiting, retrying in {} seconds...", retry_after_secs);
let duration = Duration::from_secs(retry_after_secs);
tokio::time::sleep(duration).await;
continue;
if duration <= RATE_LIMIT_MAX_WAIT {
warn!(
"Rate limiting, retrying in {} seconds...",
retry_after_secs
);
tokio::time::sleep(duration).await;
continue;
} else {
debug!("Not going to wait {} seconds", retry_after_secs);
}
}
}
}