class Supervisor():
def __init__(self, time, retries, owner, actors = []):
self.owner = owner
self.s_actor = new_supervisor(self.owner.aref)
self.actors = {}
self.retries = {}
self.max_retries = retries
self.multiActors = SMulti( self.s_actor, actors)
self.add_actors(actors)
interval(time, self.ask_actors)
#timer to indicate the frequency to ask to actors
def add_actor(self, actor):
self.actors[actor.get_aref()] = actor
self.retries[actor.get_aref()] = 0
self.multiActors.attach(actor)
def add_actors(self, actors):
for actor in actors:
self.add_actor(actor)
def ask_actors(self):
try:
result = self.multiActors.keep_alive()
for k in result.keys():
self.retries[k] = 0
except:
for key in self.actors.keys():
self.retries[key] +=1
if self.retries[key] > self.max_retries:
self.owner.failure_detect(self.actors[key])
self.retries[key] = 0
else:
if len(result.keys()) != len(self.actors.keys()):
fault_list_keys = result.keys() - self.actors.keys()
for key in fault_list_keys:
self.retries[key] += 1
if (self.retries[key] > self.max_retries):
self.owner.failure_detect(self.actors[key])
self.retries[key] = 0
