mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-02 10:09:23 +01:00
78f5a5dde4
This test took quite a while to execute (~2 minutes on my machine) because there was simply no other way to test this scenario but waiting. Now the no-roam-candidates condition can be waited for rather than just sleeping for 20 seconds. Additionally the default RoamRetryInterval was being used which is 60 seconds. Instead main.conf can set this to 5 seconds and really cut down on the time to wait. Part of a comment was also removed due to being incorrect. Even with neighbor reports IWD still must scan, its just that the scan is more limited and, in theory, faster.
137 lines
4.3 KiB
Python
137 lines
4.3 KiB
Python
#!/usr/bin/python3
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import unittest
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import sys
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sys.path.append('../util')
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import iwd
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from iwd import IWD
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from iwd import PSKAgent
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from iwd import NetworkType
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import testutil
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from hostapd import HostapdCLI
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from hwsim import Hwsim
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class Test(unittest.TestCase):
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# Normally the time between a failed roam attempt and the next roam attempt
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# is 60 seconds (default RoamRetryInterval). Test that we retry roaming
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# faster if the transision looks like this: LOW [roam] [same bss] HIGH LOW.
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def test_fast_retry(self):
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hwsim = Hwsim()
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bss_hostapd = [ HostapdCLI(config='ssid1.conf'),
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HostapdCLI(config='ssid2.conf') ]
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bss_radio = [ hwsim.get_radio('rad0'),
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hwsim.get_radio('rad1') ]
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rule0 = hwsim.rules.create()
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rule0.source = bss_radio[0].addresses[0]
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rule0.bidirectional = True
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rule1 = hwsim.rules.create()
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rule1.source = bss_radio[1].addresses[0]
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rule1.bidirectional = True
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# Fill in the neighbor AP tables in both BSSes. By default each
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# instance knows only about current BSS, even inside one hostapd
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# process.
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# Roaming still works without the neighbor AP table but neighbor
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# reports have to be disabled in the .conf files
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bss0_nr = ''.join(bss_radio[0].addresses[0].split(':')) + \
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'8f0000005101060603000000'
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bss1_nr = ''.join(bss_radio[1].addresses[0].split(':')) + \
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'8f0000005102060603000000'
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bss_hostapd[0].set_neighbor(bss_radio[1].addresses[0], 'TestRoamRetry',
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bss1_nr)
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bss_hostapd[1].set_neighbor(bss_radio[0].addresses[0], 'TestRoamRetry',
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bss0_nr)
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# Start in the vicinity of BSS 0, check that iwd connects to BSS 0
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rule0.signal = -2000
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rule1.signal = -8500
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wd = IWD()
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psk_agent = PSKAgent("secret123")
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wd.register_psk_agent(psk_agent)
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devices = wd.list_devices(1)
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device = devices[0]
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ordered_network = device.get_ordered_network('TestRoamRetry')
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self.assertEqual(ordered_network.type, NetworkType.psk)
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condition = 'not obj.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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ordered_network.network_object.connect()
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condition = 'obj.state == DeviceState.connected'
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wd.wait_for_object_condition(device, condition)
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self.assertTrue(bss_hostapd[0].list_sta())
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self.assertFalse(bss_hostapd[1].list_sta())
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wd.wait(5)
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# Now push the signal LOW, wait for iwd to attempt a roam, fail, and
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# schedule another attempt for 60 seconds later
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rule0.signal = -8000
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device.wait_for_event('no-roam-candidates')
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self.assertEqual(device.state, iwd.DeviceState.connected)
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self.assertTrue(bss_hostapd[0].list_sta())
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self.assertFalse(bss_hostapd[1].list_sta())
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testutil.test_iface_operstate(device.name)
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testutil.test_ifaces_connected(bss_hostapd[0].ifname, device.name)
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# Assert high signal for BSS 0 again. This clears the way for a faster
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# roam attempt on LOW again
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rule0.signal = -5000
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# Wait a little for signal recognition
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wd.wait(1)
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# Assert low signal for BSS 0, check that iwd starts transition to BSS 1
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# in less than 10 seconds.
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rule0.signal = -8000
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rule1.signal = -2000
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condition = 'obj.state == DeviceState.roaming'
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wd.wait_for_object_condition(device, condition, max_wait=15)
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# Check that iwd is on BSS 1 once out of roaming state and doesn't
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# go through 'disconnected', 'autoconnect', 'connecting' in between
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from_condition = 'obj.state == DeviceState.roaming'
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to_condition = 'obj.state == DeviceState.connected'
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wd.wait_for_object_change(device, from_condition, to_condition)
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self.assertTrue(bss_hostapd[1].list_sta())
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device.disconnect()
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condition = 'not obj.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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wd.unregister_psk_agent(psk_agent)
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rule0.remove()
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rule1.remove()
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@classmethod
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def setUpClass(cls):
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pass
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@classmethod
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def tearDownClass(cls):
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IWD.clear_storage()
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if __name__ == '__main__':
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unittest.main(exit=True)
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