🚧 it works!

crates/ptth_server/src/errors.rs

@@ -79,4 +79,7 @@ pub enum ServerError {
 	
 	#[error ("Step 3 relay response (non-200 OK) was not valid UTF-8")]
 	Step3ErrorResponseNotUtf8 (std::string::FromUtf8Error),
+	
+	#[error (transparent)]
+	Other (#[from] anyhow::Error),
 }

crates/ptth_server/src/lib.rs

@@ -40,6 +40,7 @@
 #![allow (clippy::mut_mut)]
 
 use std::{
+	future::Future,
 	path::PathBuf,
 	sync::Arc,
 	time::Duration,
@@ -144,10 +145,15 @@ async fn handle_one_req (
 	Ok::<(), ServerError> (())
 }
 
-async fn handle_requests (
+async fn handle_requests <F, F2, H> (
 	state: &Arc <State>,
-	req_resp: reqwest::Response
+	req_resp: reqwest::Response,
-) -> Result <(), ServerError> 
+	mut spawn_handler: H,
+) -> Result <(), ServerError>
+where 
+F: Send + Future <Output = anyhow::Result <http_serde::Response>>,
+F2: Send + 'static + FnOnce (http_serde::RequestParts) -> F,
+H: Send + FnMut () -> F2
 {
 	//println! ("Step 1");
 	
@@ -165,6 +171,7 @@ async fn handle_requests (
 	
 	for wrapped_req in wrapped_reqs {
 		let state = Arc::clone (&state);
+		let handler = spawn_handler ();
 		
 		// These have to detach, so we won't be able to catch the join errors.
 		
@@ -172,12 +179,16 @@ async fn handle_requests (
 			let (req_id, parts) = (wrapped_req.id, wrapped_req.req);
 			
 			debug! ("Handling request {}", req_id);
-			
+			/*
 			let response = state.file_server.serve_all (
 				parts.method, 
 				&parts.uri, 
 				&parts.headers,
 			).await?;
+			*/
+			
+			let f = handler (parts);
+			let response = f.await?;
 			
 			handle_one_req (&state, req_id, response).await
 		});
@@ -373,7 +384,19 @@ async fn run_server_loop (
 		// Unpack the requests, spawn them into new tasks, then loop back
 		// around.
 		
-		if handle_requests (&state, req_resp).await.is_err () {
+		let spawn_handler = || {
+			let state = Arc::clone (&state);
+			
+			|req: http_serde::RequestParts| async move {
+				Ok (state.file_server.serve_all (req.method, &req.uri, &req.headers).await?)
+			}
+		};
+		
+		if handle_requests (
+			&state, 
+			req_resp,
+			spawn_handler,
+		).await.is_err () {
 			backoff_delay = err_backoff_delay;
 			continue;
 		}