UDP Inetd Server for Wait : inetd « Network « Python Tutorial

1. Python Tutorial
2. Network
3. inetd

import socket, time, sys, os

s = socket.fromfd(sys.stdin.fileno(), socket.AF_INET, socket.SOCK_DGRAM)
message, address = s.recvfrom(8192)
localaddr = s.getsockname()
s.close()

pid = os.fork()
if pid:
    sys.exit(0)

s2 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s2.bind(localaddr)
s2.connect(address)

s2.send("Reply", address)
time.sleep(2)
s2.send("OK, I'm done sending replies.\n")