#!/usr/bin/env python
# Compatible with both Python 2.7.6 and 3.4.3

from __future__ import print_function
import socket, struct, time

##########################################################
# CONFIGURABLE REGION START - Don't touch anything above #
##########################################################
port = 42020

########################################################
# CONFIGURABLE REGION END - Don't touch anything below #
########################################################

def pprint(obj):
	import pprint
	pprint.PrettyPrinter().pprint(obj)

class x: pass

command = x()
command.CONNECT = 0
command.KEYS = 1
command.SCREENSHOT = 2

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind(("", port))

while True:
	rawdata, addr = sock.recvfrom(4092)
	rawdata = bytearray(rawdata)
	print("received message", rawdata)
	
	if rawdata[0]==command.CONNECT:
		print("Connected with 3DS at address",addr)
		pass # CONNECT packets are empty
	
		#pprint(data)
			
	if rawdata[0]==command.SCREENSHOT:
		pass # unused by both 3DS and PC applications