mirror of
https://github.com/blakeblackshear/frigate.git
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43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
import datetime
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import logging
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import threading
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import time
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from multiprocessing.synchronize import Event as MpEvent
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from frigate.object_detection import ObjectDetectProcess
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from frigate.util import restart_frigate
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logger = logging.getLogger(__name__)
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class FrigateWatchdog(threading.Thread):
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def __init__(self, detectors: dict[str, ObjectDetectProcess], stop_event: MpEvent):
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threading.Thread.__init__(self)
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self.name = "frigate_watchdog"
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self.detectors = detectors
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self.stop_event = stop_event
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def run(self) -> None:
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time.sleep(10)
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while not self.stop_event.wait(10):
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now = datetime.datetime.now().timestamp()
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# check the detection processes
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for detector in self.detectors.values():
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detection_start = detector.detection_start.value # type: ignore[attr-defined]
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# issue https://github.com/python/typeshed/issues/8799
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# from mypy 0.981 onwards
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if detection_start > 0.0 and now - detection_start > 10:
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logger.info(
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"Detection appears to be stuck. Restarting detection process..."
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)
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detector.start_or_restart()
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elif (
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detector.detect_process is not None
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and not detector.detect_process.is_alive()
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):
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logger.info("Detection appears to have stopped. Exiting Frigate...")
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restart_frigate()
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logger.info("Exiting watchdog...")
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