def _ok_command(self, e):
try:
value = float(self._value)
set_piped(self._redis, {PersistentGpsRedisKeys.KEY_ODO: value})
except ValueError:
pass
finally:
self.destroy()
log("Initializing Redis Connection ...")
R = get_redis(CONFIG)
log("Initializing Control Thread ...")
MPD_CONTROL = MpdControlThread(CONFIG, R, CONFIG_CONTROLLER_INTERVAL)
MPD_CONTROL.start()
try:
log("MPD Data & Control Daemon is running ...")
while True:
if not MPD_DATA_THREAD.isAlive() or not MPD_CONTROL.isAlive():
raise ConnectionError()
current_data = MPD_DATA_THREAD.get_current_data()
if current_data:
set_piped(R, current_data)
sleep(CONFIG_DATAPOLLER_INTERVAL)
except (KeyboardInterrupt, SystemExit):
log("Shutdown requested!")
except ConnectionError:
EXIT_CODE = EXIT_CODES['DataSourceLost']
log("Connecting to MPD server lost, restarting daemon and trying again ..."
)
except redis_exceptions.ConnectionError:
EXIT_CODE = EXIT_CODES['DataDestinationLost']
log("Connection to Redis Server lost! Daemon is quitting and waiting for relaunch"
)
except:
EXIT_CODE = EXIT_CODES['UnhandledException']
print_unhandled_exception()
finally:
distance_traveled = vincenty(old_xy, new_xy).meters
if distance_traveled > 0:
incr_piped(
RP, {
PersistentGpsRedisKeys.KEY_ODO:
distance_traveled,
PersistentGpsRedisKeys.KEY_TRIP_A:
distance_traveled,
PersistentGpsRedisKeys.KEY_TRIP_B:
distance_traveled
})
last_data = data
else:
last_data = data
set_piped(R, data)
sleep(CONFIG_DATAPOLLER_INTERVAL)
except (KeyboardInterrupt, SystemExit):
log("Shutdown requested!")
except redis_exceptions.ConnectionError:
EXIT_CODE = EXIT_CODES['DataDestinationLost']
log("Connection to Redis Server lost! Daemon is quitting and waiting for relaunch"
)
except:
EXIT_CODE = EXIT_CODES['UnhandledException']
print_unhandled_exception(APP_NAME)
finally:
if not GPS_POLLER.stop_safe() and EXIT_CODE == EXIT_CODES['OK']:
EXIT_CODE = EXIT_CODES['BackgroundThreadTimedOut']
if not GPS_POLLER.stop_safe() and EXIT_CODE == EXIT_CODES['OK']:
EXIT_CODE = EXIT_CODES['BackgroundThreadTimedOut']
r_data[NetworkInfoRedisKeys.KEY_WLAN0_IP] = ip
if wifi_data:
r_data[NetworkInfoRedisKeys.KEY_WLAN0_STRENGTH] = wifi_data['strength']
r_data[NetworkInfoRedisKeys.KEY_WLAN0_SSID] = wifi_data['ssid']
if CONFIG_IFACE_ALIAS_WLAN1:
ip = get_iface_address(ips, CONFIG_IFACE_ALIAS_WLAN1)
wifi_data = get_iface_signal_data(CONFIG_IFACE_ALIAS_WLAN1)
r_data[NetworkInfoRedisKeys.KEY_WLAN1_IP] = ip
if wifi_data:
r_data[NetworkInfoRedisKeys.KEY_WLAN1_STRENGTH] = wifi_data['strength']
r_data[NetworkInfoRedisKeys.KEY_WLAN1_SSID] = wifi_data['ssid']
r_data[NetworkInfoRedisKeys.KEY_ALIVE] = datetime.now(pytz.utc)
set_piped(R, r_data)
sleep(CONFIG_DATAPOLLER_INTERVAL)
except (KeyboardInterrupt, SystemExit):
log("Shutdown requested!")
except redis_exceptions.ConnectionError:
EXIT_CODE = EXIT_CODES['DataDestinationLost']
log("Connection to Redis Server lost! Daemon is quitting and waiting for relaunch")
except:
EXIT_CODE = EXIT_CODES['UnhandledException']
print_unhandled_exception()
finally:
POLLER.stop_safe()
end_print()
exit(EXIT_CODE)
def _reset_trip_b_callback(self, e):
set_piped(self._persist_redis, {PersistentGpsRedisKeys.KEY_TRIP_B: 0})