feat(backend_server.py): add error handling for HELLO message handler in _accept_connection()

src/judas_server/backend/backend_server.py

@@ -73,9 +73,19 @@ class BackendServer:
         # wait for hello message to get mac_id
 
         conn.settimeout(5)
-        message = conn.recv(1024)
+        try:
+            message = conn.recv(1024)
+            if not message:
+                self.logger.error(f"[-] No data received from {addr}")
+                conn.close()
+                return
+        except socket.timeout:
+            self.logger.error(f"[-] Timeout waiting for hello from {addr}")
+            conn.close()
+            return
         conn.settimeout(None)
 
+        message = message.split(b"\n")[0]  # get first line only
         message = Message.from_bytes(message)
 
         mac_id = message.payload.get("mac", None)