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Island: Pass the same lock to agent and island event queues 

Subscribers to the Agent and Island event queues manipulate some of the
same data structures. Sharing the same lock between the queues allows
this to happen in a thread-safe manner.
This commit is contained in:
Mike Salvatore 2022-09-29 12:40:18 -04:00
parent 00d72390ff
commit 82e08ba157
1 changed files with 13 additions and 6 deletions
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19
monkey/monkey_island/cc/services/initialize.py
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@ -1,4 +1,5 @@
import logging
import threading
from pathlib import Path
from pubsub.core import Publisher
@ -108,19 +109,25 @@ def _register_conventions(container: DIContainer):
def _register_event_queues(container: DIContainer):
event_queue_lock = threading.Lock()
agent_event_queue = container.resolve(PyPubSubAgentEventQueue)
container.register_instance(IAgentEventQueue, _decorate_agent_event_queue(agent_event_queue))
decorated_agent_event_queue = _decorate_agent_event_queue(agent_event_queue, event_queue_lock)
container.register_instance(IAgentEventQueue, decorated_agent_event_queue)
island_event_queue = container.resolve(PyPubSubIslandEventQueue)
container.register_instance(IIslandEventQueue, _decorate_island_event_queue(island_event_queue))
decorated_island_event_queue = _decorate_island_event_queue(
island_event_queue, event_queue_lock
)
container.register_instance(IIslandEventQueue, decorated_island_event_queue)
def _decorate_agent_event_queue(agent_event_queue: IAgentEventQueue):
return LockingAgentEventQueueDecorator(agent_event_queue)
def _decorate_agent_event_queue(agent_event_queue: IAgentEventQueue, lock: threading.Lock):
return LockingAgentEventQueueDecorator(agent_event_queue, lock)
def _decorate_island_event_queue(island_event_queue: IIslandEventQueue):
return LockingIslandEventQueueDecorator(island_event_queue)
def _decorate_island_event_queue(island_event_queue: IIslandEventQueue, lock: threading.Lock):
return LockingIslandEventQueueDecorator(island_event_queue, lock)
def _register_repositories(container: DIContainer, data_dir: Path):