import gps, os, time, httplib

session = gps.gps()
prevlat = 0
prevlon = 0
while 1:
    os.system('clear')
    session.query('admoy')
    # a = altitude, d = date/time, m=mode,
    # o=postion/fix, s=status, y=satellites

    uritext = "/projects/gpsl/update.php"

    print
    print ' GPS reading'
    print '----------------------------------------'
    print 'latitude    ' , session.fix.latitude
    print 'longitude   ' , session.fix.longitude
    print 'time utc    ' , session.utc #, session.fix.time
    print 'altitude    ' , session.fix.altitude
    print 'eph         ' , session.fix.eph
    print 'epv         ' , session.fix.epv
    print 'ept         ' , session.fix.ept
    print 'speed       ' , session.fix.speed
    print 'climb       ' , session.fix.climb
    print 'track       ' , session.fix.track

    uritext = uritext + "?lat=" + str(session.fix.latitude)
    uritext = uritext + "&long=" + str(session.fix.longitude)
    uritext = uritext + "&date=" + session.utc[0:10]
    uritext = uritext + "&time=" + session.utc[11:19]
    uritext = uritext + "&alt=" + str(session.fix.altitude)
    uritext = uritext + "&speed=" + str(session.fix.speed)
    uritext = uritext + "&heading=" + str(session.fix.track)

    distance = gps.EarthDistance( (session.fix.latitude, session.fix.longitude), (prevlat, prevlon) )
    print 'Distance since last fix: ' , distance
    prevlat = session.fix.latitude
    prevlon = session.fix.longitude

    if distance < 3.0:
        print
        print "Not updating SQL, distance diff too small."
    else:
        httpc = httplib.HTTPConnection("defcon.no")
        try:
           httpc.request("GET", uritext)
           res = httpc.getresponse()
           print "HTTP result: ", res.status, res.reason
           htdata = res.read()
           print htdata
        except:
           print "HTTP Get request failed. Not updated"
        httpc.close()
       
    time.sleep(2)