import socket, threading, time, binascii, struct
from Configure import Debug
thanks to all, here's my final code that works, if it helps anyone
import socket, threading, time, binascii, struct
from Configure import Debug
ZERO = chr(0)
class Udp:
def __init__(self, my_address, destination_address, timeout=2.0,
log=None):
self.MyAddress = my_address #(ip,port)
self.Destination = destination_address #(ip,port)
self.Socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.Socket.settimeout(timeout)
self.Socket.bind(self.MyAddress)
self.log = log
def sendto(self, msg):
nsent = self.Socket.sendto(msg, self.Destination)
if Debug.Udp: print >>Debug.Log, '\t\t\t\t ==>', self.format(msg,
send=True)
return nsent
def recvfrom(self, size=4096):
data, addr = self.Socket.recvfrom(size)
if self.log: print >>self.log, '\t\t\t\t<== ', self.format(data,
send=False)
return data
def format(self, x, send):
first = struct.unpack('>BBI', x[:6])
tmp = ' ctrl=%02x %02x n=%08x ' % first
if len(x)>6:
if x[-1]==ZERO:
tmp += ' data="%s x00"' % x[6:-1]
else:
tmp += ' data="%s"' % x[6:]
return tmp
if __name__=='__main__':
syncmsg = struct.pack('>BBI', 8, 0x4a, 0xaabbccdd)
S = Udp( ('192.168.201.171', 1201) , ('192.168.201.72', 1202))
response = S.sendto(syncmsg)
x = S.recvfrom()
print x
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