def __init__(self, config_uri):
FarmProcess.__init__(self, 'FM', config_uri)
logging.info('FM: Initializing')
self.parameters = None
self.regulators = None
self.real_regulators = None
self.devices = None
self.max_regulation_order = 0
now = datetime.now()
# query database
self.cultivation_start = FieldSetting.get_cultivation_start(
self.db_session)
self.reload_parameters()
self.reload_devices()
self.handle_parameters(now)
self.handle_device_setpoints(now)
self.reload_regulators()
self.handle_regulators(now)
# listen for database changes (broadcat on redis channels)
self.pubsub = self.redis_conn.pubsub(ignore_subscribe_messages=True)
self.pubsub.subscribe('parameter_changes', 'device_changes',
'calendar_changes', 'field_setting_changes',
'regulator_changes',
'periphery_controller_changes',
'component_input_changes',
'component_property_changes')
logging.info('FM: initialisation finished')
def __init__(self, config_uri):
FarmProcess.__init__(self, 'FM', config_uri)
logging.info('FM: Initializing')
self.parameters = None
self.regulators = None
self.real_regulators = None
self.devices = None
self.max_regulation_order = 0
now = datetime.now()
# query database
self.cultivation_start = FieldSetting.get_cultivation_start(self.db_session)
self.reload_parameters()
self.reload_devices()
self.handle_parameters(now)
self.handle_device_setpoints(now)
self.reload_regulators()
self.handle_regulators(now)
# listen for database changes (broadcat on redis channels)
self.pubsub = self.redis_conn.pubsub(ignore_subscribe_messages=True)
self.pubsub.subscribe('parameter_changes',
'device_changes',
'calendar_changes',
'field_setting_changes',
'regulator_changes',
'periphery_controller_changes',
'component_input_changes',
'component_property_changes')
logging.info('FM: initialisation finished')
def handle_field_setting_changes(self, msg):
if msg == 'loop_time':
self.loop_time = FieldSetting.get_loop_time(self.db_session)
elif msg == 'cultivation_start':
self.cultivation_start = FieldSetting.get_cultivation_start(self.db_session)
# make shure calendars are recomputed
for key in self.parameters:
self.parameters[key].current_calendar_entry = None
for key in self.devices:
self.devices[key].current_calendar_entry = None
def handle_field_setting_changes(self, msg):
if msg == 'loop_time':
self.loop_time = FieldSetting.get_loop_time(self.db_session)
elif msg == 'cultivation_start':
self.cultivation_start = FieldSetting.get_cultivation_start(self.db_session)
# make shure calendars are recomputed
for key in self.parameters:
self.parameters[key].current_calendar_entry = None
for key in self.devices:
self.devices[key].current_calendar_entry = None
