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 ) )
27 # Values to be set by wireless scans
32 def start ( self , timeout=5000 , writelog=False ) :
33 gps.GPSObject.start( self )
34 wifiscan.WifiScanner.start( self , timeout )
39 gps.GPSObject.stop( self )
40 wifiscan.WifiScanner.stop( self )
45 wifiscan.WifiScanner.scan( self )
48 for mac,max_rss in self.scanlist.iteritems() :
49 stored = self.db.db.execute( "SELECT rss, lat/n, lon/n FROM ap WHERE mac='%s'" % mac ).fetchone()
51 self.aps.append( stored[1:] )
52 if stored[0] > max_rss :
54 self.db.update( mac , max_rss , self.tstamp , self.info[4:] )
57 self.db.add( mac , max_rss , self.tstamp , self.info[4:] )
64 def write_logs ( self ) :
65 fd = open( os.path.join( self.homedir , "wiscan_gui.info" ) , 'a' )
66 fd.write( "%s %s %s\n" % ( self.tstamp , " ".join(self.info) , " ".join(self.scanlist) ) )
69 loclist = open( os.path.join( self.homedir , "location.info" ) , 'a' )
70 loclist.write ( "%s\n" % ( self.satellites ,) )
73 celllist = open( os.path.join( self.homedir , "cell.info" ) , 'a' )
74 celllist.write ( "%s\n" % ( self.cells ,) )
78 # BUG : if report is called after close, db.nrows() will produce an exception
79 return "%s\t%s\t%d ap\t%d total ap" % ( gps.GPSObject.report(self) , wifiscan.WifiScanner.report(self) , self.newap , self.db.nrows() )
82 gobject.type_register(Scanner)
84 if __name__ == "__main__" :
85 loop = gobject.MainLoop()
87 def on_stop(control, mainloop):
89 sample.control.connect("gpsd-stopped", on_stop, loop)
90 def show_scan(wifiscanner):
91 gobject.timeout_add( 5000 , show_scan , sample )
92 print "scan results %s" % wifiscanner.report()
93 print " tstamp %s" % wifiscanner.tstamp
95 for k,v in wifiscanner.scanlist.iteritems() :
97 print " %s %s" % ( k , v )
104 gobject.timeout_add( 5100 , show_scan , sample )