1 # Copyright (c) 2015 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 import time 7 8 from autotest_lib.client.common_lib import error 9 from autotest_lib.client.common_lib.cros.network import xmlrpc_datatypes 10 from autotest_lib.server import site_linux_system 11 from autotest_lib.server.cros.network import hostap_config 12 from autotest_lib.server.cros.network import wifi_cell_test_base 13 from autotest_lib.server.cros.network import wifi_client 14 15 16 class network_WiFi_DisconnectReason(wifi_cell_test_base.WiFiCellTestBase): 17 """Verify the client disconnects from an AP and read (but not verify) 18 the supplicant DisconnectReason for various scenarios.""" 19 version = 1 20 21 INITIAL_CHANNEL = 64 22 ALT_CHANNEL = 6 23 CHANNEL_SWITCH_ATTEMPTS = 5 24 CHANNEL_SWITCH_WAIT_TIME_SEC = 3 25 26 def run_once(self, disconnect_trigger, req_capabilities=[]): 27 """Sets up a router, connects to it, pings it and disables it to trigger 28 disconnect.""" 29 configuration = hostap_config.HostapConfig( 30 channel=self.INITIAL_CHANNEL, 31 mode=hostap_config.HostapConfig.MODE_11A, 32 spectrum_mgmt_required=True) 33 self.context.router.require_capabilities(req_capabilities) 34 self.context.configure(configuration) 35 36 if site_linux_system.LinuxSystem.CAPABILITY_MULTI_AP in req_capabilities: 37 # prep alternate Access Point 38 alt_ap_config = hostap_config.HostapConfig( 39 channel=self.ALT_CHANNEL, 40 mode=hostap_config.HostapConfig.MODE_11N_MIXED) 41 self.context.configure(alt_ap_config, multi_interface=True) 42 alt_assoc_params = xmlrpc_datatypes.AssociationParameters() 43 alt_assoc_params.ssid = self.context.router.get_ssid(instance=1) 44 45 assoc_params = xmlrpc_datatypes.AssociationParameters() 46 assoc_params.ssid = self.context.router.get_ssid(instance=0) 47 self.context.assert_connect_wifi(assoc_params) 48 self.context.assert_ping_from_dut() 49 50 with self.context.client.assert_disconnect_event(): 51 if disconnect_trigger == 'AP gone': 52 self.context.router.deconfig() 53 elif disconnect_trigger == 'deauth client': 54 self.context.router.deauth_client(self.context.client.wifi_mac) 55 elif disconnect_trigger == 'AP send channel switch': 56 for attempt in range(self.CHANNEL_SWITCH_ATTEMPTS): 57 self.context.router.send_management_frame_on_ap( 58 'channel_switch', 59 self.ALT_CHANNEL) 60 time.sleep(self.CHANNEL_SWITCH_WAIT_TIME_SEC) 61 elif disconnect_trigger == 'switch AP': 62 self.context.assert_connect_wifi(alt_assoc_params) 63 elif disconnect_trigger == 'disable client wifi': 64 self.context.client.set_device_enabled( 65 self.context.client.wifi_if, False) 66 else: 67 raise error.TestError('unknown test mode: %s' % disconnect_trigger) 68 time.sleep(wifi_client.DISCONNECT_WAIT_TIME_SECONDS) 69 70 disconnect_reasons = self.context.client.get_disconnect_reasons() 71 if disconnect_reasons is None or len(disconnect_reasons) == 0: 72 raise error.TestFail('supplicant DisconnectReason not logged') 73 for entry in disconnect_reasons: 74 logging.info("DisconnectReason: %s", entry); 75
