def run(self):
logger.debug('** Running Daemon **')
set_proctitle('OGAgent')
self.initialize()
# Call modules initialization
# They are called in sequence, no threading is done at this point, so ensure modules onActivate always returns
# *********************
# * Main Service loop *
# *********************
# Counter used to check ip changes only once every 10 seconds, for
# example
try:
while self.isAlive:
# In milliseconds, will break
self.doWait(1000)
except (KeyboardInterrupt, SystemExit) as e:
logger.error('Requested exit of main loop')
except Exception as e:
logger.exception()
logger.error('Caught exception on main loop: {}'.format(e))
self.terminate()
self.notifyStop()
def deinitialize(self):
for mod in reversed(
self.modules): # Deinitialize reversed of initialization
try:
logger.debug('Deactivating module {}'.format(mod.name))
mod.deactivate()
except Exception as e:
logger.exception()
logger.error("Deactivation of {} failed: {}".format(
mod.name, utils.exceptionToMessage(e)))
def cleanup(self):
logger.debug('Quit invoked')
if self.stopped is False:
self.stopped = True
try:
self.deinitialize()
except Exception:
logger.exception()
logger.error('Got exception deinitializing modules')
try:
# If we close Client, send Logoff to Broker
self.ipc.sendLogout(operations.getCurrentUser())
time.sleep(1)
self.timer.stop()
self.ipc.stop()
except Exception:
# May we have lost connection with server, simply log and exit in that case
logger.exception()
logger.exception("Got an exception, processing quit")
try:
# operations.logoff() # Uncomment this after testing to logoff user
pass
except Exception:
pass
def SvcDoRun(self):
'''
Main service loop
'''
try:
logger.debug('running SvcDoRun')
servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STARTED,
(self._svc_name_, ''))
# call the CoInitialize to allow the registration to run in an other
# thread
logger.debug('Initializing com...')
pythoncom.CoInitialize()
# Initialize remaining service data
self.initialize()
except Exception: # Any init exception wil be caught, service must be then restarted
logger.exception()
logger.debug('Exiting service with failure status')
os._exit(-1) # pylint: disable=protected-access
# *********************
# * Main Service loop *
# *********************
try:
while self.isAlive:
# Pumps & processes any waiting messages
pythoncom.PumpWaitingMessages()
win32event.WaitForSingleObject(self.hWaitStop, 1000)
except Exception as e:
logger.error('Caught exception on main loop: {}'.format(e))
logger.debug('Exited main loop, deregistering SENS')
self.terminate() # Ends IPC servers
self.notifyStop()
def initialize(self):
# Load modules and activate them
# Also, sends "login" event to service
self.modules = loadModules(self, client=True)
logger.debug('Modules: {}'.format(list(v.name for v in self.modules)))
# Send init to all modules
validMods = []
for mod in self.modules:
try:
logger.debug('Activating module {}'.format(mod.name))
mod.activate()
validMods.append(mod)
except Exception as e:
logger.exception()
logger.error("Activation of {} failed: {}".format(
mod.name, utils.exceptionToMessage(e)))
self.modules[:] = validMods # copy instead of assignment
# If this is running, it's because he have logged in, inform service of this fact
self.ipc.sendLogin(operations.getCurrentUser(),
operations.getSessionLanguage())
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
if not QtGui.QSystemTrayIcon.isSystemTrayAvailable():
# QtGui.QMessageBox.critical(None, "Systray", "I couldn't detect any system tray on this system.")
sys.exit(1)
# This is important so our app won't close on messages windows (alerts, etc...)
QtGui.QApplication.setQuitOnLastWindowClosed(False)
try:
trayIcon = OGASystemTray(app)
except Exception as e:
logger.exception()
logger.error(
'OGA Service is not running, or it can\'t contact with OGA Server. User Tools stopped: {}'
.format(utils.exceptionToMessage(e)))
sys.exit(1)
try:
trayIcon.initialize() # Initialize modules, etc..
except Exception as e:
logger.exception()
logger.error('Exception initializing OpenGnsys User Agent {}'.format(
utils.exceptionToMessage(e)))
trayIcon.quit()
sys.exit(1)
app.aboutToQuit.connect(trayIcon.cleanup)
