def start(period=1.0, *args):
global should_run
if not should_run:
should_run = 1
first_time = math.floor(time.time()) + period
scheduler.at(first_time, absolute_callback, (period,first_time,))
scheduler.after(first_time-time.time(),
relative_callback, (period,first_time,))
return
def absolute_callback(period,*args):
global should_run
this_time = time.time()
if should_run:
next_time = math.floor(time.time()) + period
scheduler.at(next_time,
absolute_callback, (period,next_time,))
print 'A: %s %s' % (this_time, args)
else:
print 'A: %s %s - STOPPED' % (this_time, args)
return
def set_timeout(self, timeout):
super(FaultEvent, self).set_timeout(timeout)
self.timeoutevent = FaultTimedOut(self, self.closetime, self.source,
None, self.origin, None)
self.scheduled_timeout = scheduler.at(self.closetime,
self.handle_event,
(self.timeoutevent, ))
def go(self):
if self._scheduled is not None and self.scheduled_time() > time.time():
# The drifting clock has done us in...
self._scheduled = scheduler.at(self.scheduled_time(), self.go, ())
return
thread = threading.Thread(name=self.log.name,
target=self.collect,args=())
thread.start()
def override(self, value, seconds = None, *clearing_value):
if len(clearing_value):
self.set_clearing_value(clearing_value[0])
self.__state_lock.acquire()
try:
self.__override = override = UUID()
self.__overridden_at = time.time()
self.__clears_at = None
self.node.set(value)
self.active_overrides.setdefault(self.node.url, self)
if seconds is not None:
self.__clears_at = self.__overridden_at + seconds
scheduler.at(self.__clears_at, self.clear_override, (override,))
finally:
self.__state_lock.release()
self.__notify_if_changed()
return override
def override(self, value, seconds=None, *clearing_value):
if len(clearing_value):
self.set_clearing_value(clearing_value[0])
self.__state_lock.acquire()
try:
self.__override = override = UUID()
self.__overridden_at = time.time()
self.__clears_at = None
self.node.set(value)
self.active_overrides.setdefault(self.node.url, self)
if seconds is not None:
self.__clears_at = self.__overridden_at + seconds
scheduler.at(self.__clears_at, self.clear_override,
(override, ))
finally:
self.__state_lock.release()
self.__notify_if_changed()
return override
def schedule_subscription(self, subscription, timestamp):
self.scheduling_lock.acquire()
try:
schedulegroup = self.execution_groups.get(timestamp)
if schedulegroup is None:
schedulegroup = SubscriptionGroup(self, timestamp)
self.execution_groups[timestamp] = schedulegroup
schedulegroup.scheduled = scheduler.at(timestamp,
schedulegroup.execute)
schedentry = schedulegroup.add_subscription(subscription)
finally:
self.scheduling_lock.release()
return schedentry
def schedule_subscription(self, subscription, timestamp):
self.scheduling_lock.acquire()
try:
schedulegroup = self.execution_groups.get(timestamp)
if schedulegroup is None:
schedulegroup = SubscriptionGroup(self, timestamp)
self.execution_groups[timestamp] = schedulegroup
schedulegroup.scheduled = scheduler.at(
timestamp, schedulegroup.execute)
schedentry = schedulegroup.add_subscription(subscription)
finally:
self.scheduling_lock.release()
return schedentry
def _schedule(self):
next = self.next_time()
self._scheduled = scheduler.at(next, self.go, (next,))
def setup_subscr_timer(self):
self._scan_scheduled = scheduler.at(self.next_scan_time(), self.scan, ())
def _schedule(self):
if self.period == 0:
self._scheduled = None
return
self._scheduled = scheduler.at(self.next_scheduled_time(),self.go,())
def _schedule_toggle(self):
when = time.time() + self.device.toggle_period
self._scheduled = scheduler.at(when, self._toggle_state, ())
return
def _schedule_refresh(self):
scheduler.at(self._next_time(), self._refresh)
def setup_subscr_timer(self):
self._scan_scheduled = scheduler.at(self.next_scan_time(), self.scan,
())
def set_timeout(self, timeout):
super(FaultEvent, self).set_timeout(timeout)
self.timeoutevent = FaultTimedOut(
self, self.closetime, self.source, None, self.origin, None)
self.scheduled_timeout = scheduler.at(
self.closetime, self.handle_event, (self.timeoutevent,))
def _schedule(self):
next = self.next_time()
self._scheduled = scheduler.at(next, self.go, (next, ))
def _schedule_refresh(self):
scheduler.at(self._next_time(), self._refresh)
