feat: 410 Gone Handling

src/service/federation/execute.rs

@@ -1,4 +1,9 @@
-use std::{borrow::Cow, fmt::Debug, mem, time::Instant};
+use std::{
+	borrow::Cow,
+	fmt::Debug,
+	mem,
+	time::{Duration, Instant},
+};
 
 use conduwuit::{
 	Err, Error, Result, debug, debug_error, debug_info, debug_warn, err, metrics::KeyValue,
@@ -133,12 +138,20 @@ impl super::Service {
 
 		self.ensure_remote_is_healthy(dest)?;
 
+		/// How long to mark a server as unhealthy before attempting
+		/// re-resolution
+		const UNHEALTHY_TIMEOUT: Duration = Duration::from_hours(24 * 90);
+
 		let actual = self
 			.services
 			.client
 			.matrix_resolver
 			.resolve_server(dest.as_str())
-			.await?;
+			.await
+			.inspect_err(|_| {
+				self.hit_unhealthy(dest.to_owned(), Some(UNHEALTHY_TIMEOUT));
+				self.mark_destination_stale(dest);
+			})?;
 
 		let request = Request::try_from(request.try_into_http_request::<Vec<u8>>(
 			actual.base_url().as_str(),
@@ -210,7 +223,7 @@ impl super::Service {
 				if self.should_mark_stale(&wrapped) {
 					debug_info!("{dest} is unhealthy & stale due to a connect error");
 					self.mark_destination_stale(dest);
-					self.hit_unhealthy(dest.to_owned());
+					self.hit_unhealthy(dest.to_owned(), None);
 				}
 				let Error::Reqwest(unwrapped) = wrapped else {
 					unreachable!("wrapped reqwest error must unwrap to a reqwest error");