def SvcDoRun(self):
import servicemanager
# log a service started message
servicemanager.LogMsg(
servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STARTED,
(self._svc_name_, ' (%s)' % self._svc_display_name_))
try:
# Spawn off web server
self.thread_event = Event()
self.thread_event.set()
log.info('Before try block to spawn thread')
try:
if self._svc_thread_class:
log.info('Thread class specified, instantiating now')
self.service_thread = self._svc_thread_class(self.thread_event)
log.info('Thread instantiated, starting thread')
self.service_thread.start()
log.info('Thread started')
else:
log.error("No Service thread was provided", culprit=__culprit__)
self.SvcStop()
except Exception, info:
log.error('Uncaught error in thread', exc_info=True, culprit=__culprit__)
errmsg = getTrace()
servicemanager.LogErrorMsg(errmsg)
self.SvcStop()
# Start watching directories
self.mgmt_handles = []
self.handles = watch_directories()
self.add_mgmt_event_handler(self.timer, self.process_timer)
self.add_mgmt_event_handler(self.overlapped.hEvent,
self.process_named_pipe)
self.add_mgmt_event_handler(self.hWaitStop,
lambda a, b, c: True)
self.handles.extend(self.mgmt_handles)
# Set internal timer
# default to 2 minute period
timer_period = get_reg_value('HKLM', APP_REG_KEY, 'timer',
default=120000)
win32event.SetWaitableTimer(self.timer, 0, timer_period, None, None,
False)
while 1:
hr = ConnectNamedPipe(self.pipe_handle, self.overlapped)
rc = win32event.WaitForMultipleObjects(self.handles, 0,
win32event.INFINITE)
if rc == win32event.WAIT_FAILED:
log.error('WAIT_FAILED for unknown reason')
self.SvcStop()
break
elif rc == win32event.WAIT_TIMEOUT:
log.error('WAIT_TIMEOUT: This should NEVER happen')
pass
elif (rc >= win32event.WAIT_OBJECT_0) and \
(rc < (len(self.handles) - len(self.mgmt_handles))):
process_directory_changes(self.handles[rc], rc)
else:
offset = rc - len(self.handles) + len(self.mgmt_handles)
dobreak = self.mgmt_callbacks[offset](rc, self.handles,
self.mgmt_handles)
if dobreak:
break
continue
log.error('WAIT_TIMEOUT: This should NEVER happen')
pass
elif (rc >= win32event.WAIT_OBJECT_0) and \
(rc < (len(self.handles) - len(self.mgmt_handles))):
process_directory_changes(self.handles[rc], rc)
else:
offset = rc - len(self.handles) + len(self.mgmt_handles)
dobreak = self.mgmt_callbacks[offset](rc, self.handles,
self.mgmt_handles)
if dobreak:
break
continue
except:
log.error('Uncaught error in main event loop', exc_info=True,
culprit='anagogic.service')
servicemanager.LogErrorMsg(getTrace())
# log a service stopped message
servicemanager.LogMsg(
servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STOPPED,
(self._svc_name_, ' (%s) ' % self._svc_display_name_))
def process_named_pipe(self, rc, handles, mgmt_handles):
""" Read data from the named pipe and perform the appropriate action
"""
hr, data = ReadFile(self.pipe_handle, 256)
if data.strip() == 'refreshdirectories':
unwatch_directories(self.handles[:-len(mgmt_handles)])
