mirror of
https://github.com/blakeblackshear/frigate.git
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62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
"""Emit stats to listeners."""
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import json
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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.comms.inter_process import InterProcessRequestor
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from frigate.config import FrigateConfig
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from frigate.stats.util import stats_snapshot
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from frigate.types import StatsTrackingTypes
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logger = logging.getLogger(__name__)
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class StatsEmitter(threading.Thread):
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def __init__(
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self,
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config: FrigateConfig,
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stats_tracking: StatsTrackingTypes,
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stop_event: MpEvent,
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):
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threading.Thread.__init__(self)
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self.name = "frigate_stats_emitter"
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self.config = config
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self.stats_tracking = stats_tracking
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self.stop_event = stop_event
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self.hwaccel_errors: list[str] = []
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self.stats_history: list[dict[str, any]] = []
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# create communication for stats
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self.requestor = InterProcessRequestor()
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def get_latest_stats(self) -> dict[str, any]:
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"""Get latest stats."""
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if len(self.stats_history) > 0:
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return self.stats_history[-1]
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else:
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stats = stats_snapshot(
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self.config, self.stats_tracking, self.hwaccel_errors
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)
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self.stats_history.append(stats)
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return stats
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def get_stats_history(self) -> list[dict[str, any]]:
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"""Get stats history."""
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return self.stats_history
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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(self.config.mqtt.stats_interval):
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logger.debug("Starting stats collection")
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stats = stats_snapshot(
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self.config, self.stats_tracking, self.hwaccel_errors
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)
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self.stats_history.append(stats)
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self.stats_history = self.stats_history[-10:]
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self.requestor.send_data("stats", json.dumps(stats))
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logger.debug("Finished stats collection")
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logger.info("Exiting stats emitter...")
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