Fix Server

nrw/network/_server.py

@@ -104,13 +104,19 @@ def send(self, message: str) -> None:
     def client_ip(self) -> str | None:
         if self._client_socket is None:
             return None
-        return self._client_socket.getpeername()[0]  # type: ignore[no-any-return]
+        try:
+            return self._client_socket.getpeername()[0]  # type: ignore[no-any-return]
+        except OSError:
+            return None
 
     @property
     def client_port(self) -> int:
         if self._client_socket is None:
             return 0
-        return self._client_socket.getpeername()[1]  # type: ignore[no-any-return]
+        try:
+            return self._client_socket.getpeername()[1]  # type: ignore[no-any-return]
+        except OSError:
+            return 0
 
     def close(self) -> None:
         if self._client_socket is not None:
@@ -140,22 +146,22 @@ def run(self) -> None:
             message = self._socket_wrapper.receive()
             client_ip: str | None = self._socket_wrapper.client_ip
             client_port: int = self._socket_wrapper.client_port
-            if message is not None:
-                try:
+            try:
+                if message is not None:
                     self._server.process_message(client_ip, client_port, message)
-                except ReferenceError:
-                    self.close()
-            else:
-                message_handler: _ClientMessageHandler | None = (
-                    self._server._find_client_message_handler(
-                        client_ip,
-                        client_port,
+                else:
+                    message_handler: _ClientMessageHandler | None = (
+                        self._server._find_client_message_handler(
+                            client_ip,
+                            client_port,
+                        )
                     )
-                )
-                if message_handler is not None:
-                    message_handler.close()
-                    self._server._remove_client_message_handler(message_handler)
-                    self._server.process_closing_connection(client_ip, client_port)
+                    if message_handler is not None:
+                        message_handler.close()
+                        self._server._remove_client_message_handler(message_handler)
+                        self._server.process_closing_connection(client_ip, client_port)
+            except ReferenceError:
+                self.close()
 
     def send(self, message: str) -> None:
         if self._active: