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authorAlex Auvolat <alex@adnab.me>2023-04-25 12:34:26 +0200
committerAlex Auvolat <alex@adnab.me>2023-04-25 12:34:26 +0200
commitfa78d806e3ae40031e80eebb86e4eb1756d7baea (patch)
tree144662fb430c484093f6f9a585a2441c2ff26494 /src/util/token_bucket.rs
parent654999e254e6c1f46bb5d668bc1230f226575716 (diff)
parenta16eb7e4b8344d2f58c09a249b7b1bd17d339a35 (diff)
downloadgarage-fa78d806e3ae40031e80eebb86e4eb1756d7baea.tar.gz
garage-fa78d806e3ae40031e80eebb86e4eb1756d7baea.zip
Merge branch 'main' into next
Diffstat (limited to 'src/util/token_bucket.rs')
-rw-r--r--src/util/token_bucket.rs40
1 files changed, 0 insertions, 40 deletions
diff --git a/src/util/token_bucket.rs b/src/util/token_bucket.rs
deleted file mode 100644
index cc0dfa1f..00000000
--- a/src/util/token_bucket.rs
+++ /dev/null
@@ -1,40 +0,0 @@
-use std::time::{Duration, Instant};
-
-use tokio::time::sleep;
-
-pub struct TokenBucket {
- // Replenish rate: number of tokens per second
- replenish_rate: u64,
- // Current number of tokens
- tokens: u64,
- // Last replenish time
- last_replenish: Instant,
-}
-
-impl TokenBucket {
- pub fn new(replenish_rate: u64) -> Self {
- Self {
- replenish_rate,
- tokens: 0,
- last_replenish: Instant::now(),
- }
- }
-
- pub async fn take(&mut self, tokens: u64) {
- while self.tokens < tokens {
- let needed = tokens - self.tokens;
- let delay = (needed as f64) / (self.replenish_rate as f64);
- sleep(Duration::from_secs_f64(delay)).await;
- self.replenish();
- }
- self.tokens -= tokens;
- }
-
- pub fn replenish(&mut self) {
- let now = Instant::now();
- let new_tokens =
- ((now - self.last_replenish).as_secs_f64() * (self.replenish_rate as f64)) as u64;
- self.tokens += new_tokens;
- self.last_replenish = now;
- }
-}