def shutdown(a=None, b=None):
""" Function to shut down the client. """
global loop
env = Environment.getInstance()
env.log.info("Clacks DBUS is shutting down")
# Shutdown plugins
PluginRegistry.shutdown()
if loop:
loop.quit()
logging.shutdown()
exit(0)
def shutdown(a=None, b=None):
global dr
env = Environment.getInstance()
log = logging.getLogger(__name__)
# Function to shut down the client. Do some clean up and close sockets.
amqp = PluginRegistry.getInstance("AMQPClientHandler")
# Tell others that we're away now
e = EventMaker()
goodbye = e.Event(e.ClientLeave(e.Id(env.uuid)))
if amqp:
amqp.sendEvent(goodbye)
amqp.close()
# Shutdown plugins
PluginRegistry.shutdown()
#TODO: remove this hack
wait = 1
for t in env.threads:
if t.isAlive():
log.warning("thread %s still alive" % t.getName())
if hasattr(t, 'stop'):
log.warning("calling 'stop' for thread %s" % t.getName())
t.stop()
if hasattr(t, 'cancel'):
log.warning("calling 'cancel' for thread %s" % t.getName())
t.cancel()
t.join(wait)
if t.isAlive():
try:
log.warning("calling built in 'stop' for thread %s" % t.getName())
t._Thread__stop()
except:
log.error("could not stop thread %s" % t.getName())
dr.stop()
log.info("shut down")
logging.shutdown()
def SvcDoRun(self):
pythoncom.CoInitialize()
servicemanager.LogMsg(
servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STARTED,
(self._svc_name_, ''))
# Start main loop thread here
Environment.config = "C:/gosa-client.conf"
Environment.noargs = True
self.env = Environment.getInstance()
self.env.log.info("Clacks client is starting up")
env = self.env
try:
# Load plugins
PluginRegistry(component='client.module')
amqp = PluginRegistry.getInstance("AMQPClientHandler") #@UnusedVariable
#TODO:
# Check if we're a client
# -> no: shutdown, client should be joined by administrator before
# calling the client
# Sleep and slice
wait = 2
while True:
# Threading doesn't seem to work well with python...
for p in env.threads:
# Bail out if we're active in the meanwhile
if not env.active:
break
p.join(wait)
# No break, go to main loop
else:
continue
# Break, leave main loop
break
except Exception as detail:
env.log.critical("unexpected error in mainLoop")
env.log.exception(detail)
env.log.debug(traceback.format_exc())
finally:
pythoncom.CoUninitialize()
# Signalize main thread to shut down
win32api.Sleep(500)
# Pull down system
amqp = PluginRegistry.getInstance("AMQPClientHandler")
amqp_service = PluginRegistry.getInstance("AMQPClientService")
# Tell others that we're away now
e = EventMaker()
goodbye = e.Event(e.ClientLeave(e.Id(amqp_service.id)))
amqp.sendEvent(goodbye)
# Shutdown plugins
PluginRegistry.shutdown()
# Write another event log record.
servicemanager.LogMsg(
servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STOPPED,
(self._svc_name_, ''))
def mainLoop(env):
global netstate, dr
# Enable DBus runner
dr = DBusRunner()
dr.start()
# Do network monitoring
nm = Monitor(netactivity)
netstate = nm.is_online()
""" Main event loop which will process all registerd threads in a loop.
It will run as long env.active is set to True."""
try:
log = logging.getLogger(__name__)
while True:
# Check netstate and wait until we're back online
if not netstate:
log.info("waiting for network connectivity")
while not netstate:
time.sleep(1)
# Load plugins
PluginRegistry(component='client.module')
# Sleep and slice
wait = 2
while True:
# Threading doesn't seem to work well with python...
for p in env.threads:
# Bail out if we're active in the meanwhile
if not env.active:
break
p.join(wait)
# No break, go to main loop
else:
continue
# Break, leave main loop
break
# Break, leave main loop
if not env.reset_requested:
break
# Wait for threads to shut down
for t in env.threads:
if hasattr(t, 'stop'):
t.stop()
if hasattr(t, 'cancel'):
t.cancel()
t.join(wait)
#TODO: remove me
if t.isAlive():
try:
t._Thread__stop()
except:
print(str(t.getName()) + ' could not be terminated')
# Lets do an environment reset now
PluginRegistry.shutdown()
# Make us active and loop from the beginning
env.reset_requested = False
env.active = True
if not netstate:
log.info("waiting for network connectivity")
while not netstate:
time.sleep(1)
sleep = randint(30, 60)
env.log.info("waiting %s seconds to try an AMQP connection recovery" % sleep)
time.sleep(sleep)
except Exception as detail:
log.critical("unexpected error in mainLoop")
log.exception(detail)
log.debug(traceback.format_exc())
except KeyboardInterrupt:
log.info("console requested shutdown")
finally:
shutdown()
