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base: make sure we only connect once to the bluez connect/disconnect signals 

This was getting stacked - once on init and once whenever we actually made a
connecting, resulting in the signal never getting disconnected properly and
some races because we tried to sync twice.

The whole "listen()" vs "listening" vs "connected" etc. is a bit of a mess and
should be reworked for a proper fix to this. But for now this will do.

This may fix #124
This commit is contained in:
Peter Hutterer 2019-07-14 18:47:10 +10:00 committed by Benjamin Tissoires
parent b16a16abde
commit bcdf730a72
1 changed files with 8 additions and 5 deletions
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9
tuhi/base.py
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@ -72,7 +72,8 @@ class TuhiDevice(GObject.Object):
self._battery_percent = 0 self._battery_percent = 0
self._last_battery_update_time = 0 self._last_battery_update_time = 0
self._battery_timer_source = None self._battery_timer_source = None
self._signals = {} self._signals = {'connected': None,
'disconnected': None}
self._bluez_device = bluez_device self._bluez_device = bluez_device
@ -151,7 +152,9 @@ class TuhiDevice(GObject.Object):
return self._sync_state return self._sync_state
def _connect_device(self, mode): def _connect_device(self, mode):
if self._signals['connected'] is None:
self._signals['connected'] = self._bluez_device.connect('connected', self._on_bluez_device_connected, mode) self._signals['connected'] = self._bluez_device.connect('connected', self._on_bluez_device_connected, mode)
if self._signals['disconnected'] is None:
self._signals['disconnected'] = self._bluez_device.connect('disconnected', self._on_bluez_device_disconnected) self._signals['disconnected'] = self._bluez_device.connect('disconnected', self._on_bluez_device_disconnected)
self._bluez_device.connect_device() self._bluez_device.connect_device()
@ -181,7 +184,7 @@ class TuhiDevice(GObject.Object):
try: try:
bluez_device.disconnect(self._signals['connected']) bluez_device.disconnect(self._signals['connected'])
del self._signals['connected'] self._signals['connected'] = None
except KeyError: except KeyError:
pass pass
@ -193,7 +196,7 @@ class TuhiDevice(GObject.Object):
logger.debug(f'{bluez_device.address}: disconnected') logger.debug(f'{bluez_device.address}: disconnected')
try: try:
bluez_device.disconnect(self._signals['disconnected']) bluez_device.disconnect(self._signals['disconnected'])
del self._signals['disconnected'] self._signals['disconnected'] = None
except KeyError: except KeyError:
pass pass