ref: 04f9835af20d5a36a14345ceefcd5cc46a5dfd33
dir: /sys/src/cmd/python/Demo/sockets/unicast.py/
# Send UDP broadcast packets
MYPORT = 50000
import sys, time
from socket import *
s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', 0))
while 1:
data = repr(time.time()) + '\n'
s.sendto(data, ('', MYPORT))
time.sleep(2)