python 来自http://stackoverflow.com/questions/22878625/receiving-broadcast-packets-in-python

Posted 2021-05-09

'''
A simple implementation of broadcast of packets in python 

send.py -> How packets are broadcasted
receive.py -> How broadcasts are received 

'''


from socket import *
s=socket(AF_INET, SOCK_DGRAM)
s.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)
s.sendto('this is testing',('255.255.255.255',12345))

from socket import *
s=socket(AF_INET, SOCK_DGRAM)
s.bind(('',12345))
m=s.recvfrom(1024)
print m[0]