def _parse_access_point(self, cell):
""" Parse a single cell from the output of iwlist.
Keyword arguments:
cell -- string containing the cell information
Returns:
A dictionary containing the cell networks properties.
"""
ap = WirelessNetwork()
ap.essid = misc.RunRegex(WirelessRegexPatterns.essid, cell)
try:
ap.essid = misc.to_unicode(ap.essid)
except (UnicodeDecodeError, UnicodeEncodeError):
print 'Unicode problem with current network essid, ignoring!!'
return None
if ap.essid in ['<hidden>', ""]:
ap.essid = 'Hidden'
ap.hidden = True
else:
ap.hidden = False
ap.channel = misc.RunRegex(WirelessRegexPatterns.channel, cell)
if ap.channel == None:
freq = misc.RunRegex(WirelessRegexPatterns.freq, cell)
ap.channel = self._freq_to_channel(freq)
ap.bssid = misc.RunRegex(WirelessRegexPatterns.ap_mac, cell)
ap.mode = misc.RunRegex(WirelessRegexPatterns.mode, cell)
if (WirelessRegexPatterns.strength.match(cell)):
[(strength, max_strength)] = WirelessRegexPatterns.strength.findall(cell)
if max_strength:
ap.quality = 100 * int(strength) // int(max_strength)
else:
ap.quality = int(strength)
elif misc.RunRegex(WirelessRegexPatterns.altstrength,cell):
ap.quality = misc.RunRegex(WirelessRegexPatterns.altstrength, cell)
else:
ap.quality = -1
if misc.RunRegex(WirelessRegexPatterns.signaldbm, cell):
ap.strength = misc.RunRegex(WirelessRegexPatterns.signaldbm, cell)
return ap
def _parse_access_point(self, cell):
""" Parse a single cell from the output of iwlist.
Keyword arguments:
cell -- string containing the cell information
Returns:
A dictionary containing the cell networks properties.
"""
ap = WirelessNetwork()
ap.essid = misc.RunRegex(WirelessRegexPatterns.essid, cell)
try:
ap.essid = misc.to_unicode(ap.essid)
except (UnicodeDecodeError, UnicodeEncodeError):
print 'Unicode problem with current network essid, ignoring!!'
return None
if ap.essid in ['<hidden>', ""]:
ap.essid = 'Hidden'
ap.hidden = True
else:
ap.hidden = False
ap.channel = misc.RunRegex(WirelessRegexPatterns.channel, cell)
if ap.channel == None:
freq = misc.RunRegex(WirelessRegexPatterns.freq, cell)
ap.channel = self._freq_to_channel(freq)
ap.bssid = misc.RunRegex(WirelessRegexPatterns.ap_mac, cell)
ap.mode = misc.RunRegex(WirelessRegexPatterns.mode, cell)
if (WirelessRegexPatterns.strength.match(cell)):
[(strength, max_strength)] = WirelessRegexPatterns.strength.findall(cell)
if max_strength:
ap.quality = 100 * int(strength) // int(max_strength)
else:
ap.quality = int(strength)
elif misc.RunRegex(WirelessRegexPatterns.altstrength,cell):
ap.quality = misc.RunRegex(WirelessRegexPatterns.altstrength, cell)
else:
ap.quality = -1
if misc.RunRegex(WirelessRegexPatterns.signaldbm, cell):
ap.strength = misc.RunRegex(WirelessRegexPatterns.signaldbm, cell)
return ap
def _freq_to_channel(self, freq):
""" Translate the specified frequency to a channel.
Note: This function is simply a lookup dict and therefore the
freq argument must be in the dict to provide a valid channel.
Keyword arguments:
freq -- string containing the specified frequency
Returns:
The channel number, or None if not found.
"""
ret = None
freq_dict = {'2.412 GHz': 1, '2.417 GHz': 2, '2.422 GHz': 3, '2.427 GHz': 4, '2.432 GHz': 5, '2.437 GHz': 6, '2.442 GHz': 7, '2.447 GHz': 8, '2.452 GHz': 9, '2.457 GHz': 10, '2.462 GHz': 11, '2.467 GHz': 12, '2.472 GHz': 13, '2.484 GHz': 14 }
try:
ret = freq_dict[freq]
except KeyError:
print "Couldn't determine channel number for frequency: " + str(freq)
return ret
def get_ip(self):
""" Get the IP address of the interface.
Returns:
The IP address of the interface in dotted quad form.
"""
cmd = 'ifconfig %s' + self.interface_name
output = misc.Run(cmd)
return misc.RunRegex(WirelessRegexPatterns.ip, output)
def set_ip(self, new_ip):
''' Sets the IP of the current network interface. '''
cmd = 'ifconfig %s %s' % (self.interface_name, new_ip)
misc.Run(cmd)
def connect(self, finished_callback):
''' Connects to the network in self.current_network. '''
raise NotImplementedError('connect is not implemented in this class.')
def cancel_connection_attempt(self):
raise NotImplementedError( 'cancel_connection_attempt is not implemented in this class.' )