def main():
"""
Main programm which is called when the GOsa backend process gets started.
It does the main forking os related tasks.
"""
# Enable DBus runner
dr = DBusRunner()
dr.start()
# Set process list title
os.putenv('SPT_NOENV', 'non_empty_value')
setproctitle("gosa-session")
description = 'Helper commands to notify the GOsa backend about active user sessions on the client.'
parser = argparse.ArgumentParser(description=description)
parser.add_argument(
'-m',
'--mode',
dest="mode",
type=str,
help='"start" or "end" to specify the user session state')
parser.add_argument('-u',
'--user',
dest="user",
type=str,
help='user name')
options, unknown = parser.parse_known_args()
# Initialize core environment
env = Environment.getInstance()
notify_backend(env, options.mode, options.user)
def use_test_config(request):
Environment.reset()
Environment.config = os.path.join(
os.path.dirname(os.path.realpath(__file__)), "..", "test_conf")
Environment.noargs = True
env = Environment.getInstance()
if has_dbus:
# Enable DBus runner
dr = DBusRunner()
dr.start()
PluginRegistry(component='gosa.client.module') # @UnusedVariable
env.active = True
def shutdown():
env.active = False
# 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(2)
PluginRegistry.shutdown()
if has_dbus:
dr.stop()
request.addfinalizer(shutdown)
def use_test_config(request):
env = Environment.getInstance()
if has_dbus:
# Enable DBus runner
dr = DBusRunner()
dr.start()
PluginRegistry(component='gosa.client.module') # @UnusedVariable
env.active = True
def shutdown():
env.active = False
# 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(2)
PluginRegistry.shutdown()
if has_dbus:
dr.stop()
request.addfinalizer(shutdown)
def mainLoop(env):
global netstate, dr
# Enable DBus runner
dr = DBusRunner()
dr.start()
# Do network monitoring
nm = Monitor(netactivity)
netactivity(nm.is_online())
""" Main event loop which will process all registered 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='gosa.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.is_alive():
try:
t._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 MQTT 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()
def mainLoop(env):
global netstate, dr
# Enable DBus runner
dr = DBusRunner()
dr.start()
# Do network monitoring
nm = Monitor(netactivity)
netactivity(nm.is_online())
""" Main event loop which will process all registered 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='gosa.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.is_alive():
try:
t._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 MQTT 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()