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72 lines
2.6 KiB
Python
72 lines
2.6 KiB
Python
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import zmq
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from .DebugLog import Debug, Warn
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from .ActorConnector import ActorConnector
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from .Broker import Broker
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from .DirectorySvc import DirectorySvc
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from .Constants import Termination_Topic
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from .Actor import Actor
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from .proto.CAP_pb2 import ActorInfo
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import time
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# TODO: remove time import
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class LocalActorNetwork:
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def __init__(self, name: str = "Local Actor Network", start_broker: bool = True):
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self.local_actors = {}
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self.name: str = name
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self._context: zmq.Context = zmq.Context()
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self._start_broker: bool = start_broker
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self._broker: Broker = None
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self._directory_svc: DirectorySvc = None
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def __str__(self):
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return f"{self.name}"
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def _init_runtime(self):
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if self._start_broker and self._broker is None:
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self._broker = Broker(self._context)
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if not self._broker.start():
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self._start_broker = False # Don't try to start the broker again
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self._broker = None
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if self._directory_svc is None:
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self._directory_svc = DirectorySvc(self._context)
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self._directory_svc.start()
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def register(self, actor: Actor):
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self._init_runtime()
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# Get actor's name and description and add to a dictionary so
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# that we can look up the actor by name
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self._directory_svc.register_actor_by_name(actor.actor_name)
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self.local_actors[actor.actor_name] = actor
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actor.start(self._context)
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Debug("Local_Actor_Network", f"{actor.actor_name} registered in the network.")
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def connect(self):
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self._init_runtime()
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for actor in self.local_actors.values():
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actor.connect_network(self)
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def disconnect(self):
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for actor in self.local_actors.values():
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actor.disconnect_network(self)
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if self._directory_svc:
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self._directory_svc.stop()
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if self._broker:
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self._broker.stop()
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def actor_connector_by_topic(self, topic: str) -> ActorConnector:
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return ActorConnector(self._context, topic)
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def lookup_actor(self, name: str) -> ActorConnector:
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actor_info: ActorInfo = self._directory_svc.lookup_actor_by_name(name)
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if actor_info is None:
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Warn("Local_Actor_Network", f"{name}, not found in the network.")
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return None
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Debug("Local_Actor_Network", f"[{name}] found in the network.")
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return self.actor_connector_by_topic(name)
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def lookup_termination(self) -> ActorConnector:
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termination_topic: str = Termination_Topic
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return self.actor_connector_by_topic(termination_topic)
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