UDP通信(python)

client:

import
socket

host =
‘127.0.0.1‘

port =
1024

buff_size =
128

addr = (host,port)

udp_client = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)

while
True:

data = raw_input(‘>‘)

if
not data:

break

udp_client.sendto(data, addr)

udp_client.close()

server:

import
socket

host =
‘‘

port =
1024

buf_size =
128

addr = (host,port)

udp_server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

udp_server.bind(addr)

while
True:

print
"wating for message..."

data,addr = udp_server.recvfrom(buf_size)

print
‘...received from and return to:‘
+ str(addr) +
": " + data

udp_server.close()