#!/usr/bin/python3

import time
import signal
import sys
from datetime import datetime

# global variable for controlling shutting down
running = True

# function which is called when term signal is sent
def handle_sigterm(signum, frame):
    global running
    running = False
    print("Ticker service shutting down", flush=True)


def main():
    print("Ticker daemon starting up", flush=True)

    # register our sigterm handler
    signal.signal(signal.SIGTERM, handle_sigterm)

    # keep running until the sigterm is given
    while running:
        print("Tick:", datetime.now(), flush=True)
        time.sleep(10)
    print("Daemon exited", flush=True)

main()