def _shutdown(self):
"""Deregister GPIO callbacks and attempt to shut down all threads gracefully."""
self._uploader_termination_event.set()
threads_left = common.join_all_threads(C.TIMEOUT_SHUTDOWN_SECONDS())
if threads_left:
self._log.warning('%d thread(s) failed to shutdown' % threads_left)
else:
self._log.info('all threads shutdown successfully')
if not C.DEMO_MODE_ENABLED():
GPIO.cleanup(
) # Do this last, otherwise GPIO may fail in running threads.
def __init__(self):
self._log = LOGGER_FACTORY.get_logger('ipa.main')
self._log.info(K.CLIENT_GREETING)
auth_info = ((' (authenticated as user "%s")' % ARGS.server_username())
if ARGS.server_username() else '')
self._log.info('URL: %s%s' % (ARGS.server_url(), auth_info))
self._log.info('client version: %s' % C.CLIENT_VERSION())
if C.DEMO_MODE_ENABLED():
self._log.warn('DEMO MODE ENABLED')
# Create main command queue.
self._main_cq = Queue.Queue()
# Create thread termination Event for Uploader.
self._uploader_termination_event = threading.Event()
def _initialize(self):
# Create state directory.
if not os.path.exists(K.STATE_DIR):
os.mkdir(K.STATE_DIR)
# Create upload thread (started in run() below).
self._uploader = uploader.Uploader(self._main_cq,
self._uploader_termination_event)
# Create data sources.
GPIO.setmode(GPIO.BCM) # required before Wind()
self._uploader.add_data_source(temperature.Temperature(), True)
self._uploader.add_data_source(metadata.Metadata(), False)
# Import modules only when enabled, since some again import optional libraries (e.g. DHT).
# In demo mode, enable all and import demo instances.
if C.WIND_ENABLED() or C.DEMO_MODE_ENABLED(): # NEW: Wind Optional.
if C.DEMO_MODE_ENABLED():
import demo.demo_wind as wind # @UnusedImport
else:
import wind # @Reimport
self._uploader.add_data_source(wind.Wind(), True)
if C.DHT_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_dht as dht # @UnusedImport
else:
import dht # @Reimport
self._uploader.add_data_source(dht.Dht(), True)
if C.PRESSURE_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_pressure as pressure # @UnsuedImport
else:
import pressure # @Reimport
self._uploader.add_data_source(pressure.Pressure(), True)
if C.CAMERA_ENABLED():
import camera
self._uploader.add_data_source(camera.Picture(), True)
if C.RAIN_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_rain as rain # @UnusedImport
else:
import rain
self._uploader.add_data_source(rain.Rain(), True)
if C.WIND_VANE_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_vane as vane # @UnusedImport
else:
import vane
self._uploader.add_data_source(vane.Direction(), True)
if C.ADC_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_spi_adc as spi_adc # @UnusedImport
else:
import spi_adc # @Reimport
self._uploader.add_data_source(spi_adc.SpiAdc(), True)
if C.HUAWEI_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_huawei_status as huawei_status # @UnusedImport
else:
import huawei_status # @Reimport
self._uploader.add_data_source(huawei_status.HuaweiStatus(), True)
if C.DOOR_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_door as door # @UnusedImport
else:
import door # @Reimport
self._uploader.add_data_source(door.Door(), True)
if C.PILOTS_ENABLED() or C.DEMO_MODE_ENABLED():
if C.DEMO_MODE_ENABLED():
import demo.demo_pilot_count as pilot_count # @UnusedImport
else:
import pilot_count # @Reimport
self._uploader.add_data_source(pilot_count.PilotCount(), True)