dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#!/usr/bin/env python3
import os
import shutil
import threading
from system.swaglog import cloudlog
from selfdrive.loggerd.config import ROOT, get_available_bytes, get_available_percent
from selfdrive.loggerd.uploader import listdir_by_creation
MIN_BYTES = 5 * 1024 * 1024 * 1024
MIN_PERCENT = 10
DELETE_LAST = ['boot', 'crash']
def deleter_thread(exit_event):
while not exit_event.is_set():
out_of_bytes = get_available_bytes(default=MIN_BYTES + 1) < MIN_BYTES
out_of_percent = get_available_percent(default=MIN_PERCENT + 1) < MIN_PERCENT
if out_of_percent or out_of_bytes:
# remove the earliest directory we can
dirs = sorted(listdir_by_creation(ROOT), key=lambda x: x in DELETE_LAST)
for delete_dir in dirs:
delete_path = os.path.join(ROOT, delete_dir)
if any(name.endswith(".lock") for name in os.listdir(delete_path)):
continue
try:
cloudlog.info(f"deleting {delete_path}")
if os.path.isfile(delete_path):
os.remove(delete_path)
else:
shutil.rmtree(delete_path)
break
except OSError:
cloudlog.exception(f"issue deleting {delete_path}")
exit_event.wait(.1)
else:
exit_event.wait(30)
def main():
deleter_thread(threading.Event())
if __name__ == "__main__":
main()