def get_interface_info(self, ifaceName):
if not self._check_if_my_iface(ifaceName):
self.log.error('check_if_my_iface failed')
raise exceptions.FunctionExecutionFailed(
func_name=inspect.currentframe().f_code.co_name,
err_msg='No such interface: ' + ifaceName)
dinfo = pyw.devinfo(ifaceName)
# Delete card object from dict
dinfo.pop("card", None)
return dinfo
def get_phy_info(self, ifaceName):
if not self._check_if_my_iface(ifaceName):
self.log.error('check_if_my_iface failed')
raise exceptions.FunctionExecutionFailed(
func_name=inspect.currentframe().f_code.co_name,
err_msg='No such interface: ' + ifaceName)
dinfo = pyw.devinfo(ifaceName)
card = dinfo['card']
pinfo = pyw.phyinfo(card)
return pinfo
def get_wifi_chard(self, iface):
'''
Get WiFi chard
'''
if not self._check_if_my_iface(iface):
self.log.error('check_if_my_iface failed')
raise exceptions.FunctionExecutionFailed(
func_name=inspect.currentframe().f_code.co_name,
err_msg='No such interface: ' + iface)
return pyw.getcard(iface) # get a card for interface
def set_tx_power(self, power_dBm, ifaceName):
"""
Sets TX power for that interface
:param power_dBm: the power in dBm
:param ifaceName: name of interface
:return: True in case it was successful
"""
self.log.info('Setting power on iface {}:{} to {}'.format(
ifaceName, self.device, str(power_dBm)))
try:
w0 = self.get_wifi_chard(ifaceName) # get a card for interface
pyw.txset(w0, 'fixed', power_dBm)
self.power = power_dBm
except Exception as e:
raise exceptions.FunctionExecutionFailed(
func_name=inspect.currentframe().f_code.co_name,
err_msg='Failed to set tx power: ' + str(e))
return True
def set_channel(self, channel, ifaceName, chw=None, **kwargs):
"""
Set the Rf channel
:param channel: the new channel, i.e. channel number according to IEEE 802.11 spec
:param ifaceName: name of the interface
:param chw: bandwidth of the channel
:param kwargs: optional args, i.e. path to control socket,
:return: True in case it was successful
"""
self.log.info('Setting channel for {}:{} to {}'.format(
ifaceName, self.device, channel))
try:
w0 = self.get_wifi_chard(ifaceName) # get a card for interface
# check mode
dinfo = pyw.devinfo(w0)
if dinfo['mode'] == 'AP':
if not "control_socket_path" in kwargs:
self.log.warn(
'Please pass the path to hostapd control socket')
return False
# pass new chanel to hostapd
# hostapd requires frequency not channel
freq = ch2rf(channel)
control_socket_path = kwargs["control_socket_path"]
beacon_periods = 5
cmd = ('sudo hostapd_cli -p {} chan_switch {} {}'.format(
control_socket_path, beacon_periods, freq))
self.run_command(cmd)
else:
# chw: channel width oneof {None|'HT20'|'HT40-'|'HT40+'}
# chw = None
pyw.chset(w0, channel, chw)
self.channel = channel
except Exception as e:
fname = inspect.currentframe().f_code.co_name
self.log.fatal("An error occurred in %s: %s" % (fname, e))
raise exceptions.FunctionExecutionFailed(func_name=fname,
err_msg=str(e))
return True
