update ipv4 for zero manager

Author: guoping.liu

supervisor/supervisor.py

@@ -475,15 +475,8 @@ def onNetworkDisconnect(self):
 
     def onNetworkConnected(self):
         logger.info("## Supervisor: Network onNetworkConnected() ...")
-        try:
-            logger.info(f"Attempting to restart Zeroconf with IP: {self.wifi_status.ip_address}")
-            success = self.zeroconf_manager.start(self.wifi_status.ip_address)
-            if success:
-                logger.info("Zeroconf restarted successfully")
-            else:
-                logger.warning("Zeroconf restart returned False")
-        except Exception as e:
-            logger.error(f"Failed to (re)start Zeroconf on connect: {e}", exc_info=True)
+        # Use update_ip method which handles retry logic internally
+        self.zeroconf_manager.update_ip(self.wifi_status.ip_address)
 
     def update_wifi_info(self, ip_address, ssid):
         """Update WiFi information cache"""

supervisor/zero_manager.py

@@ -141,15 +141,33 @@ def update_ip(self, ip_address: Optional[str]) -> None:
         Handle IP changes:
         - valid new IP: re-register on the new IP
         - invalid/empty IP: stop advertising
+        - empty IP: retry with delay
         """
         with self._lock:
             if ip_address and self._is_valid_ipv4(ip_address):
                 if ip_address != self._ip:
                     self.start(ip_address)
+            elif not ip_address or ip_address == "":
+                # IP is empty, retry after a short delay
+                logger.debug(f"IP address is empty, scheduling retry in 2 seconds")
+                threading.Timer(2.0, self._retry_with_current_ip).start()
             else:
                 self.stop()
                 self._ip = None
 
+    def _retry_with_current_ip(self) -> None:
+        """Retry getting IP address and starting Zeroconf"""
+        try:
+            from .utils.wifi_utils import get_wlan0_ip
+            current_ip = get_wlan0_ip()
+            if current_ip and self._is_valid_ipv4(current_ip):
+                logger.info(f"Retry: Got IP address {current_ip}, starting Zeroconf")
+                self.start(current_ip)
+            else:
+                logger.warning(f"Retry: Still no valid IP address (got: {current_ip})")
+        except Exception as e:
+            logger.error(f"Retry failed: {e}")
+
     def _get_wlan0_mac(self) -> str:
         """Get MAC address of wlan0 interface (last 8 characters, uppercase)."""
         try: