ota updater revise

opencv-motion-detect/updater.py

@@ -142,19 +142,20 @@ class OTAClient:
             self.client.username_pw_set(username=self.username, password=self.password)
         self.client.on_connect = self.on_connect
         self.client.on_message = self.on_message
-        self.client.connect_async(self.host, self.port, 30)
         #self.client.loop_start()
+        #self.client.connect_async(self.host, self.port, 30)
     
     def run(self):
         retry = 0
         while retry < 3:
             try:
+                self.client.connect_async(self.host, self.port, 30)
                 self.client.loop_forever()
             except Exception as e:
                 logger.error("updater network failure - failed to connect mqtt host: {}".format(str(e)))
                 # NOTE: reset network and evdaemon
                 if retry < 2:
-                    os.system("systemctl restart networking; systemctl restart evdaemon")
+                    os.system("systemctl restart networking")
                 else:
                     # we don't force restart component in the last round. since network recover may need a small delay
                     time.sleep(10)