def send(self, actor_id, msg):
message = copy.deepcopy(msg)
success = False
retries = 0
new_actor_id = None
actor_location = ids.loc(actor_id)
while not success and retries < MAX_RETRIES:
conn = rpc.RPCConnector(actor_location)
try:
if actor_location == self.here:
(success, new_actor_id) = self.message_local(actor_id, message)
if success:
return (True, new_actor_id)
remote_theatre = conn.connect()
(success, new_actor_id) = remote_theatre.incoming_message(actor_id, message)
remote_theatre.disconnect()
if success:
return (True, new_actor_id)
time.sleep(0.8)
except Exception:
print 'Senderror:'
log.warn(self, 'sending message to %s failed, retrying, as host (%s) was unreachable (message was: %s)' % (actor_id, actor_location, message))
log.warn(self, traceback.format_exc())
new_actor_id = local_theatre().get_migration(actor_id)
if new_actor_id:
actor_id = new_actor_id
actor_location = ids.loc(actor_id)
retries += 1
continue
if not success:
log.warn(self, 'sending message to %s failed retrying (message was: %s)' % (actor_id, message))
new_actor_id = local_theatre().get_migration(actor_id)
if new_actor_id and not new_actor_id == 'NONE':
actor_id = new_actor_id
actor_location = ids.loc(actor_id)
retries += 1
log.error(self, 'sending message to %s aborted after %s retries (message was: %s)' % (actor_id, MAX_RETRIES, message))
return (False, new_actor_id)
def message_local(self, actor_id, message):
"""Send a message to a local actor. Returns True iff
the send was sucessful"""
local_actor = self.__actor_store.get_ref(actor_id)
if local_actor:
local_actor.add_message(message)
return (True, None)
local_port = self.__actor_store.get_port(actor_id)
if local_port:
actor_id = ids.change_port(actor_id, local_port)
conn = rpc.RPCConnector(ids.loc(actor_id))
remote_theatre = conn.connect()
success = remote_theatre.incoming_message(actor_id, message)
remote_theatre.disconnect()
return(success, actor_id)
return (False, None)
def shell(self, command):
opt = command[0:2]
param = command[2:len(command)]
if opt == "l ":
self.attached = Person(param)
here = ids.loc(self.actor_id)
self.attached.attach(param, here)
self.help()
if opt == "q":
if self.attached is not None:
self.attached.migrate_away()
die()
if opt == "w" and self.attached is not None:
self.attached.print_wall()
if opt == "y " and self.attached is not None:
self.attached.yap(param)
if opt == "f " and self.attached is not None:
self.attached.follow(param)
if opt == "h":
self.help()
def migrate_away(self):
holder = find_type("Holder")
theatre = ids.loc(holder.actor_id)
migrate_to(theatre)
def store_type(self, actor): ref = VisActorRef(ids.type(actor), ids.loc(actor)) self.type_store.append(ref)
def store_name(self, name, actor):
ref = VisActorRef("'" + name + "'", ids.loc(actor))
self.name_store.append(ref)