100 lines
3.0 KiB
Python
Executable File
100 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import datetime
|
|
import os
|
|
import subprocess
|
|
import time
|
|
from typing import NoReturn
|
|
|
|
from timezonefinder import TimezoneFinder
|
|
|
|
import cereal.messaging as messaging
|
|
from openpilot.common.params import Params
|
|
from openpilot.common.swaglog import cloudlog
|
|
from openpilot.system.hardware import AGNOS
|
|
|
|
|
|
def set_timezone(timezone):
|
|
valid_timezones = subprocess.check_output('timedatectl list-timezones', shell=True, encoding='utf8').strip().split('\n')
|
|
if timezone not in valid_timezones:
|
|
cloudlog.error(f"Timezone not supported {timezone}")
|
|
return
|
|
|
|
cloudlog.debug(f"Setting timezone to {timezone}")
|
|
try:
|
|
if AGNOS:
|
|
tzpath = os.path.join("/usr/share/zoneinfo/", timezone)
|
|
subprocess.check_call(f'sudo su -c "ln -snf {tzpath} /data/etc/tmptime && \
|
|
mv /data/etc/tmptime /data/etc/localtime"', shell=True)
|
|
subprocess.check_call(f'sudo su -c "echo \"{timezone}\" > /data/etc/timezone"', shell=True)
|
|
else:
|
|
subprocess.check_call(f'sudo timedatectl set-timezone {timezone}', shell=True)
|
|
except subprocess.CalledProcessError:
|
|
cloudlog.exception(f"Error setting timezone to {timezone}")
|
|
|
|
|
|
def set_time(new_time):
|
|
diff = datetime.datetime.now() - new_time
|
|
if diff < datetime.timedelta(seconds=10):
|
|
cloudlog.debug(f"Time diff too small: {diff}")
|
|
return
|
|
|
|
cloudlog.debug(f"Setting time to {new_time}")
|
|
try:
|
|
subprocess.run(f"TZ=UTC date -s '{new_time}'", shell=True, check=True)
|
|
except subprocess.CalledProcessError:
|
|
cloudlog.exception("timed.failed_setting_time")
|
|
|
|
|
|
def main() -> NoReturn:
|
|
"""
|
|
timed has two responsibilities:
|
|
- getting the current time
|
|
- getting the current timezone
|
|
|
|
GPS directly gives time, and timezone is looked up from GPS position.
|
|
AGNOS will also use NTP to update the time.
|
|
"""
|
|
|
|
params = Params()
|
|
tf = TimezoneFinder()
|
|
|
|
# Restore timezone from param
|
|
tz = params.get("Timezone", encoding='utf8')
|
|
tf = TimezoneFinder()
|
|
if tz is not None:
|
|
cloudlog.debug("Restoring timezone from param")
|
|
set_timezone(tz)
|
|
|
|
pm = messaging.PubMaster(['clocks'])
|
|
sm = messaging.SubMaster(['liveLocationKalman'])
|
|
while True:
|
|
sm.update(1000)
|
|
|
|
msg = messaging.new_message('clocks', valid=True)
|
|
msg.clocks.wallTimeNanos = time.time_ns()
|
|
pm.send('clocks', msg)
|
|
|
|
llk = sm['liveLocationKalman']
|
|
if not llk.gpsOK or (time.monotonic() - sm.logMonoTime['liveLocationKalman']/1e9) > 0.2:
|
|
continue
|
|
|
|
# set time
|
|
# TODO: account for unixTimesatmpMillis being a (usually short) time in the past
|
|
gps_time = datetime.datetime.fromtimestamp(llk.unixTimestampMillis / 1000.)
|
|
set_time(gps_time)
|
|
|
|
# set timezone
|
|
pos = llk.positionGeodetic.value
|
|
if len(pos) == 3:
|
|
gps_timezone = tf.timezone_at(lat=pos[0], lng=pos[1])
|
|
if gps_timezone is None:
|
|
cloudlog.critical(f"No timezone found based on {pos=}")
|
|
else:
|
|
set_timezone(gps_timezone)
|
|
params.put_nonblocking("Timezone", gps_timezone)
|
|
|
|
time.sleep(10)
|
|
|
|
if __name__ == "__main__":
|
|
main()
|