[PATCH BlueZ 3/3] test/example-gatt-server: Don't change measuments if not notifying

[Luiz Augusto von Dentz <luiz.dentz@gmail.com>]

From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

This makes it clearer when notifications are actually in effect.
---
 test/example-gatt-server | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/example-gatt-server b/test/example-gatt-server
index 24aaff973..689e86ff7 100755
--- a/test/example-gatt-server
+++ b/test/example-gatt-server
@@ -401,6 +401,8 @@ class BatteryLevelCharacteristic(Characteristic):
                 { 'Value': [dbus.Byte(self.battery_lvl)] }, [])
 
     def drain_battery(self):
+        if not self.notifying:
+            return True
         if self.battery_lvl > 0:
             self.battery_lvl -= 2
             if self.battery_lvl < 0:
-- 
2.13.6