ref: 3ba1d83d2026ebac616ab17a2126df97c0a7a24c
dir: /sys/src/cmd/python/Demo/sockets/broadcast.py/
# Send UDP broadcast packets MYPORT = 50000 import sys, time from socket import * s = socket(AF_INET, SOCK_DGRAM) s.bind(('', 0)) s.setsockopt(SOL_SOCKET, SO_BROADCAST, 1) while 1: data = repr(time.time()) + '\n' s.sendto(data, ('<broadcast>', MYPORT)) time.sleep(2)