Execute the whole request in a thread

src/main.rs

@@ -28,7 +28,7 @@ fn main() {
         return;
     };
 
-    let mut context = Context::default();
+    let context: Arc<Mutex<Context>> = Arc::default();
     let mut pool = ThreadPool::new(4);
 
     let mut args = env::args();
@@ -52,7 +52,9 @@ fn main() {
             }
         }
 
-        handle_connection(&mut context, &path, stream, &pool);
+        let context = context.clone();
+        let path = path.clone();
+        pool.execute(move || handle_connection(context, path, stream));
     }
 }
 
@@ -133,7 +135,7 @@ struct Context {
     infos: HashMap<Box<str>, Arc<Mutex<SiteInfo>>>,
 }
 
-fn handle_connection(context: &mut Context, path: &Path, mut stream: TcpStream, pool: &ThreadPool) {
+fn handle_connection(context: Arc<Mutex<Context>>, path: PathBuf, mut stream: TcpStream) {
     let Some(request) = Request::from(&stream) else {
         eprintln!("Invalid request!");
         return;
@@ -193,7 +195,7 @@ fn handle_connection(context: &mut Context, path: &Path, mut stream: TcpStream,
 
     if relative_path.split('/').any(|name| name == "Images") {
         let path = path.to_path_buf();
-        pool.execute(move || reply_image(stream, &relative_path, path));
+        reply_image(stream, &relative_path, path);
         return;
     }
 
@@ -209,34 +211,37 @@ fn handle_connection(context: &mut Context, path: &Path, mut stream: TcpStream,
         }
     }
 
-    use Entry::*;
-    let info = match context.infos.entry(relative_path.clone().into_boxed_str()) {
-        Occupied(o) => o.get().clone(),
-        Vacant(v) => v
-            .insert(Arc::new(Mutex::new(
-                File::open(&data_path)
-                    .map(|mut file| {
-                        from_stream::<PortableSettings, _, _>(&mut file).unwrap_or_default()
-                    })
-                    .unwrap_or_default(),
-            )))
-            .clone(),
+    let info = if let Ok(mut context) = context.lock() {
+        use Entry::*;
+        match context.infos.entry(relative_path.clone().into_boxed_str()) {
+            Occupied(o) => o.get().clone(),
+            Vacant(v) => v
+                .insert(Arc::new(Mutex::new(
+                    File::open(&data_path)
+                        .map(|mut file| {
+                            from_stream::<PortableSettings, _, _>(&mut file).unwrap_or_default()
+                        })
+                        .unwrap_or_default(),
+                )))
+                .clone(),
+        }
+    } else {
+        return;
     };
 
     let path = path.to_path_buf();
-    pool.execute(move || {
-        handle_relative_connection(
-            info,
-            stream,
-            &request.body,
-            &relative_path,
-            &path,
-            &pk_path,
-            pki_path.as_ref().map(|path| path.as_ref()),
-            &data_path,
-            start_level,
-        )
-    });
+
+    handle_relative_connection(
+        info,
+        stream,
+        &request.body,
+        &relative_path,
+        &path,
+        &pk_path,
+        pki_path.as_ref().map(|path| path.as_ref()),
+        &data_path,
+        start_level,
+    )
 }
 
 fn reply_image(mut stream: TcpStream, relative_path: &str, mut path: PathBuf) {