blakeblackshear.frigate/frigate/watchdog.py

43 lines
1.6 KiB
Python
Raw Normal View History

2020-11-01 22:45:04 +01:00
import datetime
2020-11-04 04:26:39 +01:00
import logging
2020-11-01 22:45:04 +01:00
import threading
2020-11-04 13:31:25 +01:00
import time
from multiprocessing.synchronize import Event as MpEvent
2020-11-01 22:45:04 +01:00
from frigate.object_detection import ObjectDetectProcess
from frigate.util.services import restart_frigate
2021-09-18 14:40:27 +02:00
2020-11-04 04:26:39 +01:00
logger = logging.getLogger(__name__)
2021-02-17 14:23:32 +01:00
2020-11-01 22:45:04 +01:00
class FrigateWatchdog(threading.Thread):
def __init__(self, detectors: dict[str, ObjectDetectProcess], stop_event: MpEvent):
2020-11-01 22:45:04 +01:00
threading.Thread.__init__(self)
2021-02-17 14:23:32 +01:00
self.name = "frigate_watchdog"
2020-11-01 22:45:04 +01:00
self.detectors = detectors
self.stop_event = stop_event
def run(self) -> None:
2020-11-01 22:45:04 +01:00
time.sleep(10)
while not self.stop_event.wait(10):
2020-11-01 22:45:04 +01:00
now = datetime.datetime.now().timestamp()
# check the detection processes
for detector in self.detectors.values():
detection_start = detector.detection_start.value # type: ignore[attr-defined]
# issue https://github.com/python/typeshed/issues/8799
# from mypy 0.981 onwards
2021-02-17 14:23:32 +01:00
if detection_start > 0.0 and now - detection_start > 10:
logger.info(
"Detection appears to be stuck. Restarting detection process..."
)
2020-11-01 22:45:04 +01:00
detector.start_or_restart()
elif (
detector.detect_process is not None
and not detector.detect_process.is_alive()
):
2023-01-13 14:18:15 +01:00
logger.info("Detection appears to have stopped. Exiting Frigate...")
2021-09-18 14:40:27 +02:00
restart_frigate()
logger.info("Exiting watchdog...")