crates/app/src/main.rs

@@ -7,40 +7,45 @@ use std::path::Path;
 use tokio::net::TcpListener;
 use tower_livereload::LiveReloadLayer;
 
-// Nous filtrons les requêtes de `htmx` pour ne pas inclure le script _JS_ qui gère le rechargement
-// Voir https://github.com/leotaku/tower-livereload/pull/3
+/// Nous filtrons les requêtes de `htmx` pour ne pas inclure le script _JS_ qui gère le rechargement
+/// Voir https://github.com/leotaku/tower-livereload/pull/3
 fn not_htmx_predicate<T>(req: &Request<T>) -> bool {
     !req.headers().contains_key("hx-request")
 }
 
+const DEFAULT_LISTENER: &str = "localhost:3000";
+async fn get_tcp_listener() -> TcpListener {
+    let mut listenfd = ListenFd::from_env();
+
+    match listenfd.take_tcp_listener(0).unwrap() {
+        // if we are given a tcp listener on listen fd 0, we use that one
+        Some(listener) => {
+            listener.set_nonblocking(true).unwrap();
+            TcpListener::from_std(listener).unwrap()
+        }
+        // otherwise fall back to local listening
+        None => TcpListener::bind(DEFAULT_LISTENER).await.unwrap(),
+    }
+}
+
 #[tokio::main]
 async fn main() {
     let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
     let assets_path = Path::new(&manifest_dir).join("assets");
     let templates_path = Path::new(&manifest_dir).join("templates");
 
+    // Setup the livereload
     let livereload = LiveReloadLayer::new();
     let reloader = livereload.reloader();
-
-    let router =
-        get_router(assets_path.as_path()).layer(livereload.request_predicate(not_htmx_predicate));
-
     let mut watcher = notify::recommended_watcher(move |_| reloader.reload()).unwrap();
     watcher
         .watch(&templates_path, notify::RecursiveMode::Recursive)
         .unwrap();
 
-    let mut listenfd = ListenFd::from_env();
-    let listener = match listenfd.take_tcp_listener(0).unwrap() {
-        // if we are given a tcp listener on listen fd 0, we use that one
-        Some(listener) => {
-            listener.set_nonblocking(true).unwrap();
-            TcpListener::from_std(listener).unwrap()
-        }
-        // otherwise fall back to local listening
-        None => TcpListener::bind("localhost:3000").await.unwrap(),
-    };
+    let router =
+        get_router(assets_path.as_path()).layer(livereload.request_predicate(not_htmx_predicate));
 
+    let listener: TcpListener = get_tcp_listener().await;
     println!("Listening on: http://{}", listener.local_addr().unwrap());
 
     // Run the server with the router