# (c) "Neil Young" (neil.young@freenet.de)
# 
# This script is published under GPL (included below)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

from struct import *
import httplib, location
from location import *

# Tailor this!
#mcc, mnc, lac, cid = 0,0,0,0	

def req((mcc, mnc, lac, cid), attempt_short_cid):
	if cid > 65536:
		network = 5
	else:
		network = 3
	if attempt_short_cid:
		cid &= 65536	
	return pack('>BBBBBBBBBBBBBBBBBLLLHLLLLLL', 0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,27,mnc, mcc, network, 0, cid, lac, mnc, mcc, 0, 0)

def GLoc():
	try:
		headers = {"Content-type": "application/binary", "Connection": "close"}
		conn = httplib.HTTPConnection("www.google.com")
		body = 	req(gsm_location(), False)
		conn.request("POST", "/glm/mmap",  body, headers)
		resp = conn.getresponse()
		answer = resp.read()
		conn.close()
		if resp.status == 200:
			#result, = unpack('>L', answer[3:7]) 
   			a, b, result, lat, lon, c, d, e = unpack(">hBiiiiih", answer)
			if result == 0:
				print "OK", result, lat/1000000.0, lon/1000000.0
    				return (lat/1000000.0, lon/1000000.0)
			else:
				print "ERROR", result
    				return (0,0)
		else:
			print "HTTP Error "+ str(resp.status)	
   			return (0,0)
		print "Bytes sent/received: about "+str(len(body)+len(answer)+400) # 400: estimated header length
	except:
		print "Error"