def set_dns_addresses(self, iface):
""" Set the DNS address(es).
If static DNS servers or global DNS servers are specified, set them.
Otherwise do nothing.
"""
if self.network.get('use_global_dns'):
iface.SetDNS(misc.Noneify(self.global_dns_1),
misc.Noneify(self.global_dns_2),
misc.Noneify(self.global_dns_3),
misc.Noneify(self.global_dns_dom),
misc.Noneify(self.global_search_dom))
elif self.network.get('use_static_dns') and (self.network.get('dns1') or
self.network.get('dns2') or self.network.get('dns3')):
self.SetStatus('setting_static_dns')
iface.SetDNS(self.network.get('dns1'),
self.network.get('dns2'),
self.network.get('dns3'),
self.network.get('dns_domain'),
self.network.get('search_domain'))
def Scan(self, essid=None):
""" Scan for available wireless networks.
Keyword arguments:
essid -- The essid of a hidden network
Returns:
A list of available networks sorted by strength.
"""
def comp(x, y):
""" Custom sorting function. """
if 'quality' in x:
key = 'quality'
else:
key = 'strength'
return cmp(x[key], y[key])
if not self.wiface:
return []
wiface = self.wiface
# Prepare the interface for scanning
wiface.Up()
# If there is a hidden essid then set it now, so that when it is
# scanned it will be recognized.
# Note: this does not always work, sometimes we have to pass it with "iwlist wlan0 scan essid -- XXXXX"
essid = misc.Noneify(essid)
if essid is not None:
print 'Setting hidden essid ' + essid
wiface.SetEssid(essid)
# sleep for a bit; scanning to fast will result in nothing
time.sleep(1)
aps = wiface.GetNetworks(essid)
aps.sort(cmp=comp, reverse=True)
return aps