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Mark watchdog thread daemonic #16

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merged 1 commit into from
Jan 3, 2024
Merged

Mark watchdog thread daemonic #16

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16 changes: 6 additions & 10 deletions oresat_c3/__main__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,8 @@

import os
import socket
from threading import Event, Thread
from threading import Thread
import time

from olaf import (
Gpio,
Expand Down Expand Up @@ -59,19 +60,19 @@ def get_hw_id(mock: bool) -> int:
return hw_id


def watchdog(event: Event):
def watchdog():
"""Pet the watchdog app (which pets the watchdog circuit)."""

udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

while not event.is_set():
while True:
failed = 0
for service in app._services: # pylint: disable=W0212
failed += int(service.status == ServiceState.FAILED)
if not app.od["flight_mode"].value or failed == 0:
logger.debug("watchdog pet")
udp_socket.sendto(b"PET", ("localhost", 20001))
event.wait(10)
time.sleep(10)


def main():
Expand All @@ -84,8 +85,7 @@ def main():
mock_hw = len(mock_args) != 0

# start watchdog thread ASAP
event = Event()
thread = Thread(target=watchdog, args=(event,))
thread = Thread(target=watchdog, daemon=True)
thread.start()

app.od["versions"]["sw_version"].value = __version__
Expand All @@ -112,10 +112,6 @@ def main():

olaf_run()

# stop watchdog thread
event.set()
thread.join()


if __name__ == "__main__":
main()
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