def beginBarrier(self, name, avIds, timeout, callback):
# Begins waiting for a set of avatars. When all avatars in
# the list have reported back in or the callback has expired,
# calls the indicated callback with the list of avatars that
# made it through. There may be multiple barriers waiting
# simultaneously on different lists of avatars, although they
# should have different names.
from otp.ai import Barrier
context = self.__nextBarrierContext
# We assume the context number is passed as a uint16.
self.__nextBarrierContext = (self.__nextBarrierContext + 1) & 0xffff
assert self.notify.debug('beginBarrier(%s, %s, %s, %s)' %
(context, name, avIds, timeout))
if avIds:
barrier = Barrier.Barrier(name,
self.uniqueName(name),
avIds,
timeout,
doneFunc=PythonUtil.Functor(
self.__barrierCallback, context,
callback))
self.__barriers[context] = barrier
# Send the context number to each involved client.
self.sendUpdate("setBarrierData", [self.getBarrierData()])
else:
# No avatars; just call the callback immediately.
callback(avIds)
return context
def beginBarrier(self, name, avIds, timeout, callback):
from otp.ai import Barrier
context = self.__nextBarrierContext
self.__nextBarrierContext = self.__nextBarrierContext + 1 & 65535
if avIds:
barrier = Barrier.Barrier(name,
self.uniqueName(name),
avIds,
timeout,
doneFunc=PythonUtil.Functor(
self.__barrierCallback, context,
callback))
self.__barriers[context] = barrier
self.sendUpdate('setBarrierData', [self.__getBarrierData()])
else:
callback(avIds)
return context