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iwd/autotests/testBSSBlacklist/connection_test.py
James Prestwood 38c8fe06a4 auto-t: increase wait time for blacklist test
This test was not reliably passing. Busy waiting is not really reliable,
but in this specific case its really the only option as the blacklist
must expire based on time.
2020-07-08 18:28:58 -05:00

154 lines
4.6 KiB
Python

#!/usr/bin/python3
import unittest
import sys
sys.path.append('../util')
import iwd
from iwd import IWD
from iwd import PSKAgent
from iwd import NetworkType
from hostapd import HostapdCLI
from hostapd import hostapd_map
from hwsim import Hwsim
import time
class Test(unittest.TestCase):
def test_connection_success(self):
hwsim = Hwsim()
bss_hostapd = [ HostapdCLI(config='ssid1.conf'),
HostapdCLI(config='ssid2.conf'),
HostapdCLI(config='ssid3.conf') ]
bss_radio = [ hwsim.get_radio('rad0'),
hwsim.get_radio('rad1'),
hwsim.get_radio('rad2') ]
rule0 = hwsim.rules.create()
rule0.source = bss_radio[0].addresses[0]
rule0.bidirectional = True
rule0.signal = -2000
rule1 = hwsim.rules.create()
rule1.source = bss_radio[1].addresses[0]
rule1.bidirectional = True
rule1.signal = -3000
rule2 = hwsim.rules.create()
rule2.source = bss_radio[2].addresses[0]
rule2.bidirectional = True
rule2.signal = -4000
wd = IWD(True, '/tmp')
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
devices = wd.list_devices(2)
device = devices[0]
devices[1].disconnect()
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
device.scan()
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
ordered_network = device.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
ordered_network.network_object.connect(wait=False)
# Have AP1 drop all packets, should result in a connection timeout
rule0.drop = True
# Note the time so later we don't sleep any longer than required
start = time.time()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
# IWD should have attempted to connect to bss_hostapd[0], since its
# signal strength was highest. But since we dropped all packets this
# connect should fail, and the BSS should be blacklisted. Then we
# should automatically try the next BSS in the list, which is
# bss_hostapd[1]
self.assertNotIn(device.address, bss_hostapd[0].list_sta())
self.assertIn(device.address, bss_hostapd[1].list_sta())
rule0.drop = False
# Next try autoconnecting to a network with a blacklisted BSS. Since an
# explicit disconnect call would disable autoconnect we reset
# hostapd which will disconnect IWD.
bss_hostapd[1].reload()
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
# Now we wait... AutoConnect should take over
condition = 'obj.state == DeviceState.connecting'
wd.wait_for_object_condition(device, condition, 15)
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition, 15)
# Same as before, make sure we didn't connect to the blacklisted AP.
self.assertNotIn(device.address, bss_hostapd[0].list_sta())
self.assertIn(device.address, bss_hostapd[1].list_sta())
# Wait for the blacklist to expire (10 seconds)
elapsed = time.time() - start
if elapsed < 15:
wd.wait(15 - elapsed)
device.disconnect()
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
device.scan()
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
ordered_network = device.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
ordered_network.network_object.connect()
condition = 'obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
self.assertIn(device.address, bss_hostapd[0].list_sta())
wd.unregister_psk_agent(psk_agent)
@classmethod
def setUpClass(cls):
IWD.copy_to_storage('main.conf')
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
if __name__ == '__main__':
unittest.main(exit=True)