continuwuity/src/service/resolver/mod.rs
Jason Volk 010e4ee35a de-global services for services
Signed-off-by: Jason Volk <jason@zemos.net>
2024-07-27 08:26:42 +00:00

79 lines
1.8 KiB
Rust

pub mod actual;
pub mod cache;
mod dns;
pub mod fed;
mod tests;
use std::{fmt::Write, sync::Arc};
use conduit::{Result, Server};
use hickory_resolver::TokioAsyncResolver;
use self::{cache::Cache, dns::Resolver};
use crate::{client, globals, Dep};
pub struct Service {
pub cache: Arc<Cache>,
pub resolver: Arc<Resolver>,
services: Services,
}
struct Services {
server: Arc<Server>,
client: Dep<client::Service>,
globals: Dep<globals::Service>,
}
impl crate::Service for Service {
#[allow(clippy::as_conversions, clippy::cast_sign_loss, clippy::cast_possible_truncation)]
fn build(args: crate::Args<'_>) -> Result<Arc<Self>> {
let cache = Cache::new();
Ok(Arc::new(Self {
cache: cache.clone(),
resolver: Resolver::build(args.server, cache)?,
services: Services {
server: args.server.clone(),
client: args.depend::<client::Service>("client"),
globals: args.depend::<globals::Service>("globals"),
},
}))
}
fn memory_usage(&self, out: &mut dyn Write) -> Result<()> {
let resolver_overrides_cache = self
.cache
.overrides
.read()
.expect("locked for reading")
.len();
writeln!(out, "resolver_overrides_cache: {resolver_overrides_cache}")?;
let resolver_destinations_cache = self
.cache
.destinations
.read()
.expect("locked for reading")
.len();
writeln!(out, "resolver_destinations_cache: {resolver_destinations_cache}")?;
Ok(())
}
fn clear_cache(&self) {
self.cache.overrides.write().expect("write locked").clear();
self.cache
.destinations
.write()
.expect("write locked")
.clear();
self.resolver.resolver.clear_cache();
}
fn name(&self) -> &str { crate::service::make_name(std::module_path!()) }
}
impl Service {
#[inline]
#[must_use]
pub fn raw(&self) -> Arc<TokioAsyncResolver> { self.resolver.resolver.clone() }
}