5 import osso_wrapper as osso
16 class Scanner ( gps.GPSObject , wifiscan.WifiScanner ) :
18 def __init__ ( self , ifname="wlan0" ) :
19 gps.GPSObject.__init__( self )
20 wifiscan.WifiScanner.__init__( self , ifname )
21 conf = config.Configuration( 'scanner' )
22 self.homedir = conf.homedir
23 self.db = db.database( os.path.join( self.homedir , conf.dbname ) )
25 # Values to be set by wireless scans
30 def start ( self , timeout=5000 ) :
31 gps.GPSObject.start( self )
32 wifiscan.WifiScanner.start( self , timeout )
36 gps.GPSObject.stop( self )
37 wifiscan.WifiScanner.stop( self )
41 wifiscan.WifiScanner.scan( self )
44 for mac,max_rss in self.scanlist.iteritems() :
45 stored = self.db.db.execute( "SELECT rss, lat/n, lon/n FROM ap WHERE mac='%s'" % mac ).fetchone()
47 self.aps.append( stored[1:] )
48 if stored[0] > max_rss :
50 self.db.update( mac , max_rss , self.tstamp , self.info[4:] )
53 self.db.add( mac , max_rss , self.tstamp , self.info[4:] )
59 def write_logs ( self ) :
60 fd = open( os.path.join( self.homedir , "wiscan_gui.info" ) , 'a' )
61 fd.write( "%s %s %s\n" % ( self.tstamp , " ".join(self.info) , " ".join(self.scanlist) ) )
64 loclist = open( os.path.join( self.homedir , "location.info" ) , 'a' )
65 loclist.write ( "%s\n" % ( self.satellites ,) )
68 celllist = open( os.path.join( self.homedir , "cell.info" ) , 'a' )
69 celllist.write ( "%s\n" % ( self.cells ,) )
73 # BUG : if report is called after close, db.nrows() will produce an exception
74 return "%s\t%s\t%d ap\t%d total ap" % ( gps.GPSObject.report(self) , wifiscan.WifiScanner.report(self) , self.newap , self.db.nrows() )
77 gobject.type_register(Scanner)
79 if __name__ == "__main__" :
80 loop = gobject.MainLoop()
82 def on_stop(control, mainloop):
84 sample.control.connect("gpsd-stopped", on_stop, loop)
85 def show_scan(wifiscanner):
86 gobject.timeout_add( 5000 , show_scan , sample )
87 print "scan results %s" % wifiscanner.report()
88 print " tstamp %s" % wifiscanner.tstamp
90 for k,v in wifiscanner.scanlist.iteritems() :
92 print " %s %s" % ( k , v )
99 gobject.timeout_add( 5100 , show_scan , sample )