def schedule(cls, schedule_time=0, idle_sleep=True):
"""
Service mainloop
:param schedule_time: specific schedule time, in seconds, if less than or equal to 0, schedule or return immediately.
:param idle_sleep: at one schedule operation, if service check has idle time, will sleep if idle_sleep set to True, otherwise not sleep.
"""
if cls._scheduling:
raise llbc.error('Service in scheduling, not allow to reschedule')
cls._scheduling = True
svcs = cls._svcs_list
schedule_interval = 1.0 / cls.MAX_FPS
svc_mainloop = llbc.inl.ServiceMainLoop
update_timers = llbc.inl.PyTimerUpdateAllTimers
inst_errhooker = llbc.inl.InstallErrHooker
uninst_errhooker = llbc.inl.UninstallErrHooker
clear_hookederrors = llbc.inl.ClearHookedErrors
try:
inst_errhooker()
cls._procwilldelsvcs()
if schedule_time > 0:
schedule_beg = _pyllbc_time()
while True:
if idle_sleep:
scheduleonce_beg = _pyllbc_time()
clear_hookederrors()
try:
for svc in svcs:
if not svc._started:
continue
svc_beg = _pyllbc_time()
if svc_beg - svc._last_schedule_time >= svc._frameinterval:
cobj = svc._c_obj
try:
svc_mainloop(cobj)
except Exception, e:
frame_exc_handler = cls._frame_exc_handler
if frame_exc_handler is not None:
tb = _sys.exc_info()[2]
frame_exc_handler(svc, tb, e)
else:
raise
finally:
svc._last_schedule_time = svc_beg
if cls._procpendingdeschedule():
return
update_timers()
if cls._procpendingdeschedule():
return
def schedule(cls):
"""
Service mainloop
"""
if cls._scheduling:
raise llbc.error('Service in scheduling, not allow to reschedule')
cls._scheduling = True
svcs = cls._svcs_list
schedule_interval = 1.0 / cls.MAX_FPS
svc_mainloop = llbc.inl.ServiceMainLoop
update_timers = llbc.inl.PyTimerUpdateAllTimers
inst_errhooker = llbc.inl.InstallErrHooker
uninst_errhooker = llbc.inl.UninstallErrHooker
clear_hookederrors = llbc.inl.ClearHookedErrors
try:
inst_errhooker()
cls._procwilldelsvcs()
while True:
clear_hookederrors()
schedule_beg = _pyllbc_time()
try:
for svc in svcs:
if not svc._started:
continue
svc_beg = _pyllbc_time()
if svc_beg - svc._last_schedule_time >= svc._frameinterval:
cobj = svc._c_obj
try:
svc_mainloop(cobj)
except Exception, e:
frame_exc_handler = cls._frame_exc_handler
if frame_exc_handler is not None:
tb = _sys.exc_info()[2]
frame_exc_handler(svc, tb, e)
else:
raise
finally:
svc._last_schedule_time = svc_beg
if cls._procpendingdeschedule():
return
update_timers()
if cls._procpendingdeschedule():
return
return
update_timers()
if cls._procpendingdeschedule():
return
except Exception, e:
frame_exc_handler = cls._frame_exc_handler
if frame_exc_handler is not None:
tb = _sys.exc_info()[2]
frame_exc_handler(None, tb, e)
else:
raise
finally:
cls._procwilldelsvcs()
now = _pyllbc_time()
if schedule_time > 0:
if now - schedule_beg >= schedule_time:
break
if idle_sleep:
elapsed = now - scheduleonce_beg
if elapsed < 0:
continue
elif elapsed < schedule_interval:
_pyllbc_sleep(schedule_interval - elapsed)
except BaseException, e:
raise
finally:
uninst_errhooker()
cls._scheduling = False
return
update_timers()
if cls._procpendingdeschedule():
return
except Exception, e:
frame_exc_handler = cls._frame_exc_handler
if frame_exc_handler is not None:
tb = _sys.exc_info()[2]
frame_exc_handler(None, tb, e)
else:
raise
finally:
cls._procwilldelsvcs()
elapsed = _pyllbc_time() - schedule_beg
if elapsed < 0:
continue
elif elapsed < schedule_interval:
_pyllbc_sleep(schedule_interval - elapsed)
except BaseException, e:
raise
finally:
uninst_errhooker()
cls._scheduling = False
@classmethod
def deschedule(cls):
if not cls._scheduling:
return
elif cls._descheduling:
