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How to use watchdog_loop method in autotest

Best Python code snippet using autotest_python

main.py

Source:main.py

1import atexit2import time34from char_lcd_output import CharLcdOutput5from gstreamer_wrapper import GStreamerWrapper6from led_light_output import LedLightOutput7from nav_button_loop import NavButtonLoop8from process_manager import ProcessManager9from remote_monitor_loop import RemoteMonitorLoop10from screen_navigator import ScreenNavigator11from voice_output import VoiceOutput12from watchdog_loop import WatchdogLoop1314def main():15    print("Starting")1617    proc_manager = ProcessManager()1819    lcd_output = CharLcdOutput()20    light_output = LedLightOutput()21    voice_output = VoiceOutput()2223    gst = GStreamerWrapper()24    gst.play_wall()2526    nav = ScreenNavigator(gst, lcd_output)2728    temp_loop = RemoteMonitorLoop(proc_manager, lcd_output, light_output, voice_output)29    btn_loop = NavButtonLoop(proc_manager, nav, lcd_output)30    watchdog_loop = WatchdogLoop()3132    print("Initialized")33    try:34        print("Starting Char LCD Output")35        lcd_output.display_text(text_line1="Starting", priority=CharLcdOutput.TextPriorityEnum.Normal, timeout=10)3637        print("Starting TempLoop")38        temp_loop.start()3940        print("Starting SoundMonitorLoop")41        # soundMonitorLoop.start()4243        print("Starting NavButtonLoop")44        btn_loop.start()4546        print("Starting WatchdogLoop")47        watchdog_loop.start()4849        # Continuously monitor child processes for any that have exited / raised an error50        # Once one is detected end app51        # Child processes are daemonized so they will exit with the parent52        # Shell script loop will restart the whole Python script at that point53        while not proc_manager.hasAnyErrors():54            time.sleep(1)55    finally:56        lcd_output.display_text(text_line1='Exiting', text_line2 = '', priority = CharLcdOutput.TextPriorityEnum.System)57        time.sleep(1)58        lcd_output.display_text(text_line1='', text_line2='', priority=CharLcdOutput.TextPriorityEnum.System)596061if __name__ == '__main__':
...

apt-watchdog

Source:apt-watchdog

...10import sys11import time12# default kill time 60min13WAKEUP_INTERVAL = 60*6014def watchdog_loop():15    watch_files = ["/var/log/apt/term.log",16                   "/var/log/dist-upgrade/apt-term.log"]17    mtime = 018    while True:19        for f in watch_files:20            if os.path.exists(f):21                mtime = max(mtime, os.path.getmtime(f))22        time.sleep(WAKEUP_INTERVAL)23        for f in watch_files:24            if os.path.exists(f):25                if os.path.getmtime(f) > mtime:26                    break27        else:28            print "no mtime change for %s seconds, sending SIGINT" % WAKEUP_INTERVAL29            subprocess.call(["killall","-INT","apt-get"])30        31if __name__ == "__main__":32    print "Starting apt watchdog daemon for the auto-install-tester"33    if len(sys.argv) > 1 and sys.argv[1] == "--no-daemon":34        watchdog_loop()35    # do the daemon thing36    pid = os.fork()37    if pid == 0:38        os.setsid()39        signal.signal(signal.SIGHUP, signal.SIG_IGN)40        watchdog_loop()41    else:42        # add a little sleep to ensure child is setup43        time.sleep(10)...

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