fix conn usage

system/ui/lib/wifi_manager.py

@@ -247,8 +247,6 @@ class WifiManager:
   def _monitor_state(self):
     device_path: str = self._wait_for_wifi_device()
 
-    conn = open_dbus_connection(bus="SYSTEM")
-
     rule = MatchRule(
       type="signal",
       interface=NM_DEVICE_IFACE,
@@ -257,50 +255,51 @@ class WifiManager:
     )
 
     # Filter for StateChanged signal
-    conn.send_and_get_reply(message_bus.AddMatch(rule))
-
-    try:
-      with conn.filter(rule, queue=deque(maxlen=10)) as q:  # TODO: not sure what to choose for this
-        while not self._exit:
-          # TODO: now that we have a nice poller we can run always?
-          # TODO: actually nah since it affects UI currently? or not?
-          if not self._active:
-            time.sleep(1)
-            continue
-
-          # Block until a matching signal arrives
-          try:
-            msg = conn.recv_until_filtered(q, timeout=1)
-          except TimeoutError:
-            continue
-
-          print('msg.body', msg.body)
-          new_state, previous_state, change_reason = msg.body
-
-          print(f"------------ WiFi device state change: {new_state}, change reason: {change_reason}")
-          # BAD PASSWORD
-          if new_state == NMDeviceState.NEED_AUTH and change_reason == NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT and len(self._connecting_to_ssid):
-            print('------ NEED AUTH - SUPPLICANT DISCONNECT')
-            # TODO: this didn't show wrong password dialog but we were here
-            self.forget_connection(self._connecting_to_ssid, block=True)
-            if self._need_auth is not None:
-              self._need_auth(self._connecting_to_ssid)
-            self._connecting_to_ssid = ""
-          elif new_state == NMDeviceState.ACTIVATED:
-            print('------ ACTIVATED')
-            if self._activated is not None:
-              self._update_networks()
-              print('CALLING ACTIVATED CALLBACK1')
-              self._activated()
-            self._connecting_to_ssid = ""
-          elif new_state == NMDeviceState.DISCONNECTED and change_reason != NM_DEVICE_STATE_REASON_NEW_ACTIVATION:
-            print('------ DISCONNECTED')
-            self._connecting_to_ssid = ""
-            if self._disconnected is not None:
-              self._disconnected()
-
-    finally:
-      conn.close()
+    self._conn_monitor.send_and_get_reply(message_bus.AddMatch(rule))
+
+    with self._conn_monitor.filter(rule, queue=deque(maxlen=10)) as q:  # TODO: not sure what to choose for this
+      while not self._exit:
+        # TODO: now that we have a nice poller we can run always?
+        # TODO: actually nah since it affects UI currently? or not?
+        if not self._active:
+          time.sleep(1)
+          continue
+
+        # Block until a matching signal arrives
+        try:
+          msg = self._conn_monitor.recv_until_filtered(q, timeout=1)
+        except TimeoutError:
+          continue
+
+        print('msg.body', msg.body)
+        new_state, previous_state, change_reason = msg.body
+
+        print(f"------------ WiFi device state change: {new_state}, change reason: {change_reason}")
+        # BAD PASSWORD
+        if new_state == NMDeviceState.NEED_AUTH and change_reason == NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT and len(self._connecting_to_ssid):
+          print('------ NEED AUTH - SUPPLICANT DISCONNECT')
+          # TODO: this didn't show wrong password dialog but we were here
+          print('forgetting connection to', self._connecting_to_ssid)
+          self.forget_connection(self._connecting_to_ssid, block=True)
+          print('forgot successful')
+          print('need auth is none?', self._need_auth is None)
+          if self._need_auth is not None:
+            print('CALLING NEED AUTH CALLBACK')
+            self._need_auth(self._connecting_to_ssid)
+            print('done calling')
+          self._connecting_to_ssid = ""
+        elif new_state == NMDeviceState.ACTIVATED:
+          print('------ ACTIVATED')
+          if self._activated is not None:
+            self._update_networks()
+            print('CALLING ACTIVATED CALLBACK1')
+            self._activated()
+          self._connecting_to_ssid = ""
+        elif new_state == NMDeviceState.DISCONNECTED and change_reason != NM_DEVICE_STATE_REASON_NEW_ACTIVATION:
+          print('------ DISCONNECTED')
+          self._connecting_to_ssid = ""
+          if self._disconnected is not None:
+            self._disconnected()
 
   def _network_scanner(self):
     self._wait_for_wifi_device()