feat(connector.py): require ACK for HELLO message, retry if not received

src/judas_client/connector.py

@@ -139,7 +139,16 @@ class Connector:
     def send_hello(self) -> None:
         self.logger.debug("[.] Sending hello message...")
         hello_message: Message = Message.hello(self.mac_address)
-        self.send(hello_message.to_bytes())
+        acknowledged: bool = False
+        while not acknowledged:
+            self.send(hello_message.to_bytes())
+            self.logger.debug("[.] Hello message sent, waiting for ACK...")
+            acknowledged = self._check_ack()
+            if not acknowledged:
+                self.logger.warning(
+                    "[!] Hello message not acknowledged, retrying..."
+                )
+                time.sleep(1)
 
     def _loop(self) -> None:
         self.logger.debug("Starting main loop...")