| # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import logging |
| import time |
| |
| from autotest_lib.client.common_lib.cros.network import xmlrpc_datatypes |
| from autotest_lib.server.cros.network import hostap_config |
| from autotest_lib.server.cros.network import wifi_cell_test_base |
| |
| class network_WiFi_RoamSuspend(wifi_cell_test_base.WiFiCellTestBase): |
| """Tests roaming to an AP that changes while we're suspended. |
| |
| This test: |
| 1) Sets up a network with a single BSS. |
| 2) Connects the DUT to that network and that particular BSS. |
| 3) Places the DUT in suspend-to-RAM |
| 4) Replaces the BSS with another BSS on the same SSID. |
| 5) Watches to make sure the DUT connects to this BSS on resume. |
| |
| """ |
| |
| version = 1 |
| |
| FREQUENCY_1 = 2412 |
| FREQUENCY_2 = 5240 |
| BSSID_1 = "00:01:02:03:04:05" |
| BSSID_2 = "06:07:08:09:0a:0b" |
| |
| |
| def run_once(self): |
| """Test body.""" |
| logging.info("- Set up AP, connect.") |
| self.context.configure(hostap_config.HostapConfig( |
| frequency=network_WiFi_RoamSuspend.FREQUENCY_1, |
| mode=hostap_config.HostapConfig.MODE_11B, |
| bssid=network_WiFi_RoamSuspend.BSSID_1)) |
| router_ssid = self.context.router.get_ssid() |
| self.context.assert_connect_wifi(xmlrpc_datatypes.AssociationParameters( |
| ssid=router_ssid)) |
| |
| # For this short of a duration, the DUT should still consider itself |
| # connected to the AP and simply resume without re-associating or |
| # reconnect quickly enough without intervention from the connection |
| # manager that it appears to remain connected. |
| logging.info("- Short suspend, verify we're still connected.") |
| self.context.client.do_suspend(10) |
| self.context.assert_ping_from_dut() |
| |
| logging.info("- Reconfigure the AP during longer suspend.") |
| self.context.client.do_suspend_bg(20) |
| # Locally, let's wait 15 seconds to make sure the DUT is really asleep |
| # before we proceed. |
| time.sleep(15) |
| self.context.configure(hostap_config.HostapConfig( |
| ssid=router_ssid, |
| frequency=network_WiFi_RoamSuspend.FREQUENCY_2, |
| mode=hostap_config.HostapConfig.MODE_11A, |
| bssid=network_WiFi_RoamSuspend.BSSID_2)) |
| |
| logging.info("- Verify that we roam to same network w/new parameters.") |
| self.context.wait_for_connection(router_ssid, |
| network_WiFi_RoamSuspend.FREQUENCY_2) |
| self.context.router.deconfig() |
