26     def __init__(self):  argument
27         self.ifname = None
28         self.changed = False
30     def start(self):  argument
31         if self.ifname != None:
32              hapd = hostapd.Hostapd(self.ifname)
33              self.changed = self.wait_hapd_reg_change(hapd)
35     def stop(self):  argument
36         if self.changed == True:
37             self.restore_reg_domain()
38             self.changed = False
40     def add_ap(self, ifname, chan):  argument
41         if self.changed == False and self.channel_may_require_reg_change(chan):
42              self.ifname = ifname