mirrors/lemmy
1
0
Fork 0
mirror of https://github.com/LemmyNet/lemmy.git synced 2024-12-11 10:36:30 +00:00
Code Issues Projects Releases Wiki Activity

Shrink rate limit allowance to f32

Browse source
This commit is contained in:
dullbananas 2023-06-12 18:36:16 +00:00
parent fc5ef73a98
commit e3046a78f1
1 changed files with 8 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
crates/utils/src/rate_limit/rate_limiter.rs
View file

@ -6,7 +6,7 @@ use tracing::debug;
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
struct RateLimitBucket { struct RateLimitBucket {
last_checked: Instant, last_checked: Instant,
allowance: f64, allowance: f32,
} }
#[derive(Eq, PartialEq, Hash, Debug, enum_map::Enum, Copy, Clone, AsRefStr)] #[derive(Eq, PartialEq, Hash, Debug, enum_map::Enum, Copy, Clone, AsRefStr)]
@ -41,22 +41,22 @@ impl RateLimitStorage {
let ip_buckets = self.buckets.entry(ip.clone()).or_insert(enum_map! { let ip_buckets = self.buckets.entry(ip.clone()).or_insert(enum_map! {
_ => RateLimitBucket { _ => RateLimitBucket {
last_checked: current, last_checked: current,
allowance: -2f64, allowance: -2.0,
}, },
}); });
#[allow(clippy::indexing_slicing)] // `EnumMap` has no `get` funciton #[allow(clippy::indexing_slicing)] // `EnumMap` has no `get` funciton
let rate_limit = &mut ip_buckets[type_]; let rate_limit = &mut ip_buckets[type_];
let time_passed = current.duration_since(rate_limit.last_checked).as_secs() as f64; let time_passed = current.duration_since(rate_limit.last_checked).as_secs() as f32;
// The initial value // The initial value
if rate_limit.allowance == -2f64 { if rate_limit.allowance == -2.0 {
rate_limit.allowance = f64::from(rate); rate_limit.allowance = rate as f32;
}; };
rate_limit.last_checked = current; rate_limit.last_checked = current;
rate_limit.allowance += time_passed * (f64::from(rate) / f64::from(per)); rate_limit.allowance += time_passed * (rate as f32 / per as f32);
if rate_limit.allowance > f64::from(rate) { if rate_limit.allowance > rate as f32 {
rate_limit.allowance = f64::from(rate); rate_limit.allowance = rate as f32;
} }
if rate_limit.allowance < 1.0 { if rate_limit.allowance < 1.0 {