122 lines
3.6 KiB
Python
122 lines
3.6 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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rule0.enabled = 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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rule1.enabled = True
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HostapdCLI.group_neighbors(*bss_hostapd)
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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', full_scan=True)
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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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bss_hostapd[0].wait_for_event('AP-STA-CONNECTED %s' % device.address)
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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
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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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rule0.signal = -8000
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rule1.signal = -2000
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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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bss_hostapd[1].wait_for_event('AP-STA-CONNECTED %s' % device.address)
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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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