pingora_limits/
lib.rs

1// Copyright 2025 Cloudflare, Inc.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15//! The pingora_limits crate contains modules that can help introduce things like rate limiting or
16//! thread-safe event count estimation.
17
18#![warn(clippy::all)]
19#![allow(clippy::new_without_default)]
20#![allow(clippy::type_complexity)]
21
22pub mod estimator;
23pub mod inflight;
24pub mod rate;
25
26use ahash::RandomState;
27use std::hash::Hash;
28
29#[inline]
30fn hash<T: Hash>(key: T, hasher: &RandomState) -> u64 {
31    hasher.hash_one(key)
32}