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auto-t: add ungraceful restart to hostapd util

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For testing SA Query, the autotest needs the ablility to force
kill (and restart) hostapd without giving it time to deauth its
stations gracefully. A method was added to the HostapdCLI class
which does a killall -9 hostapd, resets the wlnX interface,
and restarts hostapd with the same arguments as it had before.
This commit is contained in:
James Prestwood 2018-01-29 10:37:05 -08:00 committed by Denis Kenzior
parent f82eb13f65
commit 0db0ce43b8
1 changed files with 24 additions and 0 deletions
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24
autotests/util/hostapd.py
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@ -15,6 +15,12 @@ class HostapdCLI:
self.cmdline = 'hostapd_cli -p"' + socket_path + '" -i"' + \
self.ifname + '"'
self._hostapd_restarted = False
def __del__(self):
if self._hostapd_restarted:
os.system('killall hostapd')
def wps_push_button(self):
os.system(self.cmdline + ' wps_pbc')
@ -66,3 +72,21 @@ class HostapdCLI:
@staticmethod
def kill_all():
os.system('killall hostapd')
def ungraceful_restart(self):
'''
Ungracefully kill and restart hostapd
'''
for wname in wiphy.wiphy_map:
name = wiphy.wiphy_map[wname]
intf = list(name.values())[0]
if intf.use == 'hostapd':
os.system('killall -9 hostapd')
os.system('ifconfig %s down' % intf.name)
os.system('ifconfig %s up' % intf.name)
os.system('hostapd -g %s -i %s %s &' %
(intf.ctrl_interface, intf.name, intf.config))
break;
# set flag so hostapd can be killed after the test
self._hostapd_restarted = True