Update system_monitor.py

system_monitor.py

@@ -445,11 +445,28 @@ def on_message(client, userdata, msg):
         publish_all_ini_files(client)
 
 def auto_publish_task(client):
+    disconnect_counter = 0
+    update_interval = cfg['settings'].get('update_interval', 30)
+    
     while True:
+        if not client.is_connected():
+            disconnect_counter += 1
+            logger.warning(f"⚠️ Broker MQTT irraggiungibile. Watchdog {disconnect_counter}/5...")
+            
+            # Dopo ~2.5 minuti di disconnessione (5 tentativi x 30s), killa il processo
+            if disconnect_counter >= 5:
+                logger.error("🚨 Connessione persa definitivamente. Chiusura forzata per riavvio tramite systemd...")
+                os._exit(1) 
+        else:
+            if disconnect_counter > 0:
+                logger.info("✅ Connessione MQTT ripristinata spontaneamente.")
+                disconnect_counter = 0
+                
             status = publish_all(client)
             publish_all_ini_files(client)
             check_auto_healing(client, status)
-        time.sleep(cfg['settings'].get('update_interval', 30))
+            
+        time.sleep(update_interval)
 
 def start_service():
     global current_status