def send(self, data):
scr = RDLaser.checksum(RDLaser.scramblestr(data))
if self.debug:
print u"\x1B[42m> " + self.addr + ": " + (
scr.encode("hex")) + u"\x1B[0m - " + data.encode("HEX")
RDLaser.getClient().sendto(scr, (self.addr, RDLaser.SERVER_PORT))
data, server_addr = self.recv()
if (data != '\xc6'):
return False
return True
def recv(self):
data, addr = RDLaser.getServer().recvfrom(RDLaser.BUF_SIZE)
if data[:2] != RDLaser.checksum(data[2:])[:2]:
print data[0:2].encode("HEX")
if self.debug:
print(u"\x1B[31mCHECKSUM MISMATCH\x1B[0m")
return ("", addr)
data = RDLaser.descramblestr(data[2:])
if self.debug:
print(u"\x1B[34m< " + addr[0] + ": " +
RDLaser.scramblestr(data).encode("HEX") + u"\x1B[0m - " +
data.encode("HEX"))
self.send(addr[0], '\xcc') #send ACK
return (data, addr)