class KA(object):
def __init__(self, log, proto):
self._generator = self._keepalive(proto)
self.send_timer = SendTimer(log, proto.negotiated.holdtime)
def _keepalive(self, proto):
need_ka = False
generator = None
while True:
# SEND KEEPALIVES
need_ka |= self.send_timer.need_ka()
if need_ka:
if not generator:
generator = proto.new_keepalive()
need_ka = False
if not generator:
yield False
continue
try:
# try to close the generator and raise a StopIteration in one call
generator.next()
generator.next()
# still running
yield True
except NetworkError:
raise Notify(
4, 0,
'problem with network while trying to send keepalive')
except StopIteration:
generator = None
yield False
def __call__(self):
# True if we need or are trying
# False if we do not need to send one
try:
return self._generator.next()
except StopIteration:
raise Notify(4, 0, 'could not send keepalive')
class KA (object): def __init__ (self,log,proto): self._generator = self._keepalive(proto) self.send_timer = SendTimer(log,proto.negotiated.holdtime) def _keepalive (self,proto): need_ka = False generator = None while True: # SEND KEEPALIVES need_ka |= self.send_timer.need_ka() if need_ka: if not generator: generator = proto.new_keepalive() need_ka = False if not generator: yield False continue try: # try to close the generator and raise a StopIteration in one call generator.next() generator.next() # still running yield True except NetworkError: raise Notify(4,0,'problem with network while trying to send keepalive') except StopIteration: generator = None yield False def __call__ (self): # True if we need or are trying # False if we do not need to send one try: return self._generator.next() except StopIteration: raise Notify(4,0,'could not send keepalive')
def __init__ (self, log, proto): self._generator = self._keepalive(proto) self.send_timer = SendTimer(log,proto.negotiated.holdtime)
def __init__ (self,log,proto): self._generator = self._keepalive(proto) self.send_timer = SendTimer(log,proto.negotiated.holdtime)
