def clear():
"""
Produces timed status reports
"""
# Clear queues at most every 24 hours to prevent filling up.
# There is no better way to clear a multiprocessing queue other than run a loop.
log = 'Attempting to clear activity and status queues.'
logger.debug(log)
MPQ_ACT.put_nowait([datetime.now().isoformat(' '), 'DEBUG', log])
while not MPQ_STAT.empty():
MPQ_STAT.get()
time.sleep(0.001)
while not MPQ_ACT.empty():
MPQ_ACT.get()
time.sleep(0.001)
log = 'Activity and status queues cleared.'
logger.info(log)
MPQ_ACT.put_nowait([datetime.now().isoformat(' '), 'INFO', log])
def stat_listener(self):
"""
Processes all heartbeat messages prior to pushing into other status queues.
mpq_record[0][0] = type
mpq_record[0][1] = data
"""
# Do not start loop if class initialization did not cleaning execute
# Do not continue loop if any heartbeat function did not cleanly execute
while not self.stat_list:
# All JanusESS status information enters this point
if not MPQ_STAT.empty():
mpq_record = MPQ_STAT.get()
# This status catches changes in heartbeat log levels and implements
# inside multiprocessing process
if mpq_record[0] == 'log_level':
if mpq_record[1] == 'DEBUG':
logger.setLevel(logging.DEBUG)
elif mpq_record[1] == 'INFO':
logger.setLevel(logging.INFO)
elif mpq_record[1] == 'ERROR':
logger.setLevel(logging.ERROR)
elif mpq_record[1] == 'WARNING':
logger.setLevel(logging.WARNING)
elif mpq_record[1] == 'CRITICAL':
logger.setLevel(logging.CRITICAL)
# This heartbeat status tracks if websocket handler process is functioning.
# The websocket handler is only called when user loads/reloads a webpage.
# If websocket handler is functioning, then statuses are placed in MPQ_WS.
elif mpq_record[0] == 'websocket':
if mpq_record[1] != self.pid_websocket:
self.pid_websocket = mpq_record[1]
# Since activity listener is multiprocess, must pass pid via queue
MPQ_ACT_CMD.put_nowait([
'websocket',
self.pid_websocket,
])
if self.pid_websocket:
self.ws_restart_base()
self.ws_restart_net()
self.ws_restart_ch()
self.ws_restart_mod()
# This heartbeat status tracks if SNMP agent thread is functioning.
# If SNMP agent is functioning, then statuses are placed in SNMP_AGENT_MPQ.
elif mpq_record[0] == 'snmp_agent':
if mpq_record[1] != self.tid_snmp_agent:
self.tid_snmp_agent = mpq_record[1]
if self.tid_snmp_agent:
self.snmp_agent_restart_base()
self.snmp_agent_restart_ch()
self.snmp_agent_restart_mod()
# This heartbeat status tracks if SNMP notification dispatcher thread
# is functioning. If SNMP notification dispatcher is functioning,
# then statuses are placed in SNMP_NOTIFY_MPQ.
elif mpq_record[0] == 'snmp_notify':
if mpq_record[1] != self.tid_snmp_notify:
self.tid_snmp_notify = mpq_record[1]
# All base unit process statuses are pushed to base() method
# for processing
elif mpq_record[0] == 'base':
self.base(mpq_record[1])
log = 'Heartbeat base status record: {0}.'.format(
mpq_record[1])
logger.debug(log)
# All network check statuses are pushed to network() method
# for processing
elif mpq_record[0] == 'network':
self.network(mpq_record[1])
log = 'Heartbeat network status record: {0}.'.format(
mpq_record[1])
logger.debug(log)
# All interface lane statuses are pushed to lane() method
# for processing
elif mpq_record[0] == 'lane':
print('HEARTBEAT LANE: {0}'.format(mpq_record[1]))
self.lane(mpq_record[1])
log = 'Heartbeat lane status record: {0}.'.format(
mpq_record[1])
logger.debug(log)
# All module statuses are pushed to module() method
# for processing
elif mpq_record[0] == 'module':
self.module(mpq_record[1])
log = 'Heartbeat module status record: {0}.'.format(
mpq_record[1])
logger.debug(log)
# All module sensor polling data are pushed to poll() method
# for processing
elif mpq_record[0] == 'poll':
# print('HEARTBEAT POLLING VALUE: {0}'.format(mpq_record[1]))
self.poll(mpq_record[1])
log = 'Heartbeat polling value record: {0}.'.format(
mpq_record[1])
logger.debug(log)
time.sleep(0.02)
