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/*
* Copyright (c) 2023 Stalwart Labs Ltd.
*
* This file is part of Stalwart Mail Server.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
* in the LICENSE file at the top-level directory of this distribution.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can be released from the requirements of the AGPLv3 license by
* purchasing a commercial license. Please contact licensing@stalw.art
* for more details.
*/
use std::{sync::Arc, time::Duration};
use parking_lot::lock_api::Mutex;
use utils::config::Config;
use crate::Directory;
use super::{lru::LookupCache, CachedDirectory};
impl<T: Directory + 'static> CachedDirectory<T> {
pub fn try_from_config(
config: &Config,
prefix: &str,
inner: T,
) -> utils::config::Result<Arc<dyn Directory>> {
if let Some(cached_entries) = config.property((prefix, "cache.entries"))? {
let cache_ttl_positive = config
.property((prefix, "cache.ttl.positive"))?
.unwrap_or(Duration::from_secs(86400));
let cache_ttl_negative = config
.property((prefix, "cache.ttl.positive"))?
.unwrap_or_else(|| Duration::from_secs(3600));
Ok(Arc::new(CachedDirectory {
inner,
cached_domains: Mutex::new(LookupCache::new(
cached_entries,
cache_ttl_positive,
cache_ttl_negative,
)),
cached_rcpts: Mutex::new(LookupCache::new(
cached_entries,
cache_ttl_positive,
cache_ttl_negative,
)),
}))
} else {
Ok(Arc::new(inner))
}
}
}
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