fix(server): send FIN to void stream reset by peer

Author: Itsusinn

tuic-quinn/src/lib.rs

@@ -441,6 +441,14 @@ impl Connect {
         let recv_res = self.recv.stop(error_code);
         (send_res, recv_res)
     }
+
+    /// Tx: send FIN mark
+    /// Rx: refuse accepting data
+    pub fn finish(&mut self) -> (Result<(), ClosedStream>, Result<(), ClosedStream>) {
+        let send_res = self.send.finish();
+        let recv_res = self.recv.stop(VarInt::from_u32(0));
+        (send_res, recv_res)
+    }
 }
 
 impl AsyncRead for Connect {

tuic-server/src/connection/handle_task.rs

@@ -62,8 +62,11 @@ impl Connection {
                 // a -> b tx
                 // a <- b rx
                 let (tx, rx, err) = exchange_tcp(&mut conn, &mut stream).await;
-
-                _ = conn.reset(ERROR_CODE);
+                if err.is_some() {
+                    _ = conn.reset(ERROR_CODE);
+                } else {
+                    _ = conn.finish();
+                }
                 _ = stream.shutdown().await;
 
                 let uuid = self