photontest

#!/usr/bin/env python3
import sys
import socket
import time
from datetime import timedelta, datetime
def main():

    UDP_PORT = 8888
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    sock.bind(("", UDP_PORT))

    last = datetime.now()
    missed = 0
    while True:
        data, addr = sock.recvfrom(4096)
        now = datetime.now()
        secs = int(data.decode("utf-8"))*20
        uptime = timedelta(seconds=secs)
        if (now-last).total_seconds() >= 30.0:
            missed+=1
        print("uptime:", uptime, "missed packets:", missed)
        last = now
        sys.stdout.flush()


if __name__ == "__main__":
    main()