S3-FIFO caching

crates/utils/src/map/mod.rs

@@ -6,5 +6,4 @@
 
 pub mod bitmap;
 pub mod mutex_map;
-pub mod ttl_dashmap;
 pub mod vec_map;

crates/utils/src/map/ttl_dashmap.rs

@@ -1,64 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
- *
- * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
- */
-
-use std::{borrow::Borrow, hash::Hash, time::Instant};
-
-use dashmap::DashMap;
-
-pub type TtlDashMap<K, V> = DashMap<K, LruItem<V>, ahash::RandomState>;
-pub type ADashMap<K, V> = DashMap<K, V, ahash::RandomState>;
-
-#[derive(Debug, Clone)]
-pub struct LruItem<V> {
-    pub item: V,
-    valid_until: Instant,
-}
-
-pub trait TtlMap<K, V>: Sized {
-    fn with_capacity(capacity: usize, shard_amount: usize) -> Self;
-    fn get_with_ttl<Q>(&self, name: &Q) -> Option<V>
-    where
-        K: Borrow<Q>,
-        Q: Hash + Eq + ?Sized;
-    fn insert_with_ttl(&self, name: K, value: V, valid_until: Instant) -> V;
-    fn cleanup(&self);
-}
-
-impl<K: Hash + Eq, V: Clone> TtlMap<K, V> for TtlDashMap<K, V> {
-    fn with_capacity(capacity: usize, shard_amount: usize) -> Self {
-        DashMap::with_capacity_and_hasher_and_shard_amount(
-            capacity,
-            ahash::RandomState::new(),
-            shard_amount,
-        )
-    }
-
-    fn get_with_ttl<Q>(&self, name: &Q) -> Option<V>
-    where
-        K: Borrow<Q>,
-        Q: Hash + Eq + ?Sized,
-    {
-        match self.get(name) {
-            Some(entry) if entry.valid_until >= Instant::now() => entry.item.clone().into(),
-            _ => None,
-        }
-    }
-
-    fn insert_with_ttl(&self, name: K, item: V, valid_until: Instant) -> V {
-        self.insert(
-            name,
-            LruItem {
-                item: item.clone(),
-                valid_until,
-            },
-        );
-        item
-    }
-
-    fn cleanup(&self) {
-        self.retain(|_, entry| entry.valid_until >= Instant::now());
-    }
-}