#!/usr/bin/env python3.4 # # Copyright 2018 - The Android Open Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import logging import pprint import time import re from acts import asserts from acts import base_test from acts.controllers.ap_lib import hostapd_constants import acts.signals as signals from acts.test_decorators import test_tracker_info from acts.controllers.iperf_server import IPerfServer from acts_contrib.test_utils.tel.tel_wifi_utils import WIFI_CONFIG_APBAND_2G from acts_contrib.test_utils.tel.tel_wifi_utils import WIFI_CONFIG_APBAND_5G import acts_contrib.test_utils.wifi.wifi_test_utils as wutils from acts_contrib.test_utils.wifi.WifiBaseTest import WifiBaseTest import acts.utils as utils import acts_contrib.test_utils.tel.tel_test_utils as tel_utils WifiEnums = wutils.WifiEnums WLAN = "wlan0" # Channels to configure the AP for various test scenarios. WIFI_NETWORK_AP_CHANNEL_2G = 1 WIFI_NETWORK_AP_CHANNEL_5G = 36 WIFI_NETWORK_AP_CHANNEL_5G_DFS = 132 class WifiStaApConcurrencyTest(WifiBaseTest): """Tests for STA + AP concurrency scenarios. Test Bed Requirement: * Two Android devices (For AP) * One Wi-Fi network visible to the device (for STA). """ def setup_class(self): super().setup_class() self.dut = self.android_devices[0] self.dut_client = self.android_devices[1] # Do a simple version of init - mainly just sync the time and enable # verbose logging. This test will fail if the DUT has a sim and cell # data is disabled. We would also like to test with phones in less # constrained states (or add variations where we specifically # constrain). utils.require_sl4a(self.android_devices) for ad in self.android_devices: wutils.wifi_test_device_init(ad) utils.sync_device_time(ad) # Set country code explicitly to "US". wutils.set_wifi_country_code(ad, WifiEnums.CountryCode.US) # Enable verbose logging on the duts. ad.droid.wifiEnableVerboseLogging(1) req_params = ["dbs_supported_models", "wifi6_models"] self.unpack_userparams(req_param_names=req_params,) self.iperf_server_port = wutils.get_iperf_server_port() try: self.iperf_server = IPerfServer(self.iperf_server_port) self.iperf_server.start() logging.info(f"IPerf server started on {self.iperf_server_port}") except Exception as e: raise signals.TestFailure("Failed to start iperf3 server: %s" % e) def setup_test(self): asserts.skip_if( self.dut.model not in self.dbs_supported_models, "Device %s does not support dual interfaces" % self.dut.model) super().setup_test() for ad in self.android_devices: ad.droid.wakeLockAcquireBright() ad.droid.wakeUpNow() self.turn_location_off_and_scan_toggle_off() def teardown_test(self): super().teardown_test() # Prevent the stop wifi tethering failure to block ap close try: wutils.stop_wifi_tethering(self.dut) except signals.TestFailure: pass for ad in self.android_devices: ad.droid.wakeLockRelease() ad.droid.goToSleepNow() wutils.reset_wifi(ad) self.turn_location_on_and_scan_toggle_on() wutils.wifi_toggle_state(self.dut, True) self.access_points[0].close() if "AccessPoint" in self.user_params: try: del self.user_params["reference_networks"] del self.user_params["open_network"] except KeyError as e: self.log.warn("There is no 'reference_network' or " "'open_network' to delete") def teardown_class(self): self.iperf_server.stop() ### Helper Functions ### def configure_ap(self, hidden=False, channel_2g=None, channel_5g=None): """Configure and bring up AP on required channel. Args: channel_2g: The channel number to use for 2GHz network. channel_5g: The channel number to use for 5GHz network. """ if not channel_2g: channel_2g = hostapd_constants.AP_DEFAULT_CHANNEL_2G if not channel_5g: channel_5g = hostapd_constants.AP_DEFAULT_CHANNEL_5G if "AccessPoint" in self.user_params: self.legacy_configure_ap_and_start(channel_2g=channel_2g, channel_5g=channel_5g, hidden=hidden) elif "OpenWrtAP" in self.user_params: self.configure_openwrt_ap_and_start(open_network=True, channel_2g=channel_2g, channel_5g=channel_5g, hidden=hidden) self.open_2g = self.open_network[0]["2g"] self.open_5g = self.open_network[0]["5g"] def turn_location_on_and_scan_toggle_on(self): """Turns on wifi location scans.""" utils.set_location_service(self.dut, True) self.dut.droid.wifiScannerToggleAlwaysAvailable(True) msg = "Failed to turn on location service's scan." asserts.assert_true(self.dut.droid.wifiScannerIsAlwaysAvailable(), msg) def turn_location_off_and_scan_toggle_off(self): """Turns off wifi location scans.""" utils.set_location_service(self.dut, False) self.dut.droid.wifiScannerToggleAlwaysAvailable(False) msg = "Failed to turn off location service's scan." asserts.assert_false(self.dut.droid.wifiScannerIsAlwaysAvailable(), msg) def run_iperf_client(self, params): """Run iperf traffic after connection. Args: params: A tuple of network info and AndroidDevice object. """ if "iperf_server_address" in self.user_params: wait_time = 5 network, ad = params ssid = network[WifiEnums.SSID_KEY] # Use local host as iperf server. self.iperf_server_address = wutils.get_host_iperf_ipv4_address(ad) asserts.assert_true(self.iperf_server_address, "The host has no " "available IPv4 address for iperf client to " "connect to.") ad.log.info("Starting iperf traffic through {} to {} port:{}". format(ssid, self.iperf_server_address, self.iperf_server_port)) time.sleep(wait_time) port_arg = "-p {}".format(self.iperf_server_port) success, data = ad.run_iperf_client(self.iperf_server_address, port_arg) self.log.debug(pprint.pformat(data)) asserts.assert_true(success, "Error occurred in iPerf traffic.") def create_softap_config(self): """Create a softap config with ssid and password.""" ap_ssid = "softap_" + utils.rand_ascii_str(8) ap_password = utils.rand_ascii_str(8) self.dut.log.info("softap setup: %s %s", ap_ssid, ap_password) config = {wutils.WifiEnums.SSID_KEY: ap_ssid} config[wutils.WifiEnums.PWD_KEY] = ap_password return config def start_softap_and_verify(self, band, check_connectivity=True): """Test startup of softap. 1. Bring up AP mode. 2. Verify SoftAP active using the client device. Args: band: wifi band to start soft ap on check_connectivity: If set, verify internet connectivity Returns: Softap config """ config = self.create_softap_config() wutils.start_wifi_tethering(self.dut, config[WifiEnums.SSID_KEY], config[WifiEnums.PWD_KEY], band) for ad in self.android_devices[1:]: wutils.connect_to_wifi_network( ad, config, check_connectivity=check_connectivity) wutils.verify_11ax_softap(self.dut, ad, self.wifi6_models) return config def connect_to_wifi_network_and_start_softap(self, nw_params, softap_band, hidden=False): """Test concurrent wifi connection and softap. This helper method first makes a wifi connection and then starts SoftAp. 1. Bring up wifi. 2. Establish connection to a network. 3. Bring up softap and verify AP can be connected by a client device. 4. Run iperf on the wifi/softap connection to the network. Args: nw_params: Params for network STA connection. softap_band: Band for the AP. Raises: TestError if there is iperf traffic connection error. """ wutils.connect_to_wifi_network(self.dut, nw_params, hidden=hidden) wutils.verify_11ax_wifi_connection( self.dut, self.wifi6_models, "wifi6_ap" in self.user_params) softap_config = self.start_softap_and_verify(softap_band) try: self.run_iperf_client((nw_params, self.dut)) self.run_iperf_client((softap_config, self.dut_client)) except: raise signals.TestError("Check if the iperf Server {} is " "up and running and the Port {} is " "listening for requests." .format(self.iperf_server_address, self.iperf_server_port)) if len(self.android_devices) > 2: self.log.info("Testbed has extra devices, do more validation") self.verify_traffic_between_dut_clients( self.dut_client, self.android_devices[2]) asserts.assert_true(self.dut.droid.wifiCheckState(), "Wifi is not reported as running") asserts.assert_true(self.dut.droid.wifiIsApEnabled(), "SoftAp is not reported as running") def start_softap_and_connect_to_wifi_network( self, nw_params, softap_band, num_of_scan_tries=wutils.DEFAULT_SCAN_TRIES): """Test concurrent wifi connection and softap. This helper method first starts SoftAp and then makes a wifi connection. 1. Bring up softap and verify AP can be connected by a client device. 2. Bring up wifi. 3. Establish connection to a network. 4. Run iperf on the wifi/softap connection to the network. 5. Verify wifi state and softap state. Args: nw_params: Params for network STA connection. softap_band: Band for the AP. num_of_scan_tries: Number of tries to connect to wifi network """ softap_config = self.start_softap_and_verify(softap_band, False) wutils.connect_to_wifi_network( self.dut, nw_params, num_of_scan_tries=num_of_scan_tries) wutils.verify_11ax_wifi_connection( self.dut, self.wifi6_models, "wifi6_ap" in self.user_params) self.run_iperf_client((nw_params, self.dut)) self.run_iperf_client((softap_config, self.dut_client)) if len(self.android_devices) > 2: self.log.info("Testbed has extra devices, do more validation") self.verify_traffic_between_dut_clients( self.dut, self.android_devices[2]) asserts.assert_true(self.dut.droid.wifiCheckState(), "Wifi is not reported as running") asserts.assert_true(self.dut.droid.wifiIsApEnabled(), "SoftAp is not reported as running") def verify_traffic_between_dut_clients(self, ad1, ad2, num_of_tries=2): """Test the clients that connect to DUT's softap can ping each other. Args: ad1: DUT 1 ad2: DUT 2 num_of_tries: the retry times of ping test. """ ad1_ip = ad1.droid.connectivityGetIPv4Addresses(WLAN)[0] ad2_ip = ad2.droid.connectivityGetIPv4Addresses(WLAN)[0] # Ping each other for _ in range(num_of_tries): if utils.adb_shell_ping(ad1, count=10, dest_ip=ad2_ip, timeout=20): break else: asserts.fail("%s ping %s failed" % (ad1.serial, ad2_ip)) for _ in range(num_of_tries): if utils.adb_shell_ping(ad2, count=10, dest_ip=ad1_ip, timeout=20): break else: asserts.fail("%s ping %s failed" % (ad2.serial, ad1_ip)) def softap_change_band(self, ad): """ Switch DUT SoftAp to 5G band if currently in 2G. Switch DUT SoftAp to 2G band if currently in 5G. """ wlan1_freq = int(self.get_wlan1_status(self.dut)['freq']) if wlan1_freq in wutils.WifiEnums.ALL_5G_FREQUENCIES: band = WIFI_CONFIG_APBAND_2G elif wlan1_freq in wutils.WifiEnums.ALL_2G_FREQUENCIES: band = WIFI_CONFIG_APBAND_5G wutils.stop_wifi_tethering(ad) self.start_softap_and_verify(band) def get_wlan1_status(self, ad): """ get wlan1 interface status""" get_wlan1 = 'hostapd_cli status' out_wlan1 = ad.adb.shell(get_wlan1) out_wlan1 = dict(re.findall(r'(\S+)=(".*?"|\S+)', out_wlan1)) return out_wlan1 def enable_mobile_data(self, ad): """Make sure that cell data is enabled if there is a sim present.""" init_sim_state = tel_utils.is_sim_ready(self.log, ad) if init_sim_state: if not ad.droid.telephonyIsDataEnabled(): ad.droid.telephonyToggleDataConnection(True) asserts.assert_true(ad.droid.telephonyIsDataEnabled(), "Failed to enable Mobile Data") else: raise signals.TestSkip("Please insert sim card with " "Mobile Data enabled before test") ### Tests ### @test_tracker_info(uuid="c396e7ac-cf22-4736-a623-aa6d3c50193a") def test_wifi_connection_2G_softap_2G(self): """Test connection to 2G network followed by SoftAp on 2G.""" self.configure_ap(channel_2g=WIFI_NETWORK_AP_CHANNEL_2G) self.connect_to_wifi_network_and_start_softap( self.open_2g, WIFI_CONFIG_APBAND_2G) @test_tracker_info(uuid="1cd6120d-3db4-4624-9bae-55c976533a48") def test_wifi_connection_5G_softap_5G(self): """Test connection to 5G network followed by SoftAp on 5G.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G) self.connect_to_wifi_network_and_start_softap( self.open_5g, WIFI_CONFIG_APBAND_5G) @test_tracker_info(uuid="5f980007-3490-413e-b94e-7700ffab8534") def test_wifi_connection_5G_DFS_softap_5G(self): """Test connection to 5G DFS network followed by SoftAp on 5G.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G_DFS) self.connect_to_wifi_network_and_start_softap( self.open_5g, WIFI_CONFIG_APBAND_5G) @test_tracker_info(uuid="d05d5d44-c738-4372-9f01-ce2a640a2f25") def test_wifi_connection_5G_softap_2G(self): """Test connection to 5G network followed by SoftAp on 2G.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G) self.connect_to_wifi_network_and_start_softap( self.open_5g, WIFI_CONFIG_APBAND_2G) @test_tracker_info(uuid="909ac713-1ad3-4dad-9be3-ad60f00ed25e") def test_wifi_connection_5G_DFS_softap_2G(self): """Test connection to 5G DFS network followed by SoftAp on 2G.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G_DFS) self.connect_to_wifi_network_and_start_softap( self.open_5g, WIFI_CONFIG_APBAND_2G) @test_tracker_info(uuid="e8de724a-25d3-4801-94cc-22e9e0ecc8d1") def test_wifi_connection_2G_softap_5G(self): """Test connection to 2G network followed by SoftAp on 5G.""" self.configure_ap(channel_2g=WIFI_NETWORK_AP_CHANNEL_2G) self.connect_to_wifi_network_and_start_softap( self.open_2g, WIFI_CONFIG_APBAND_5G) @test_tracker_info(uuid="647f4e17-5c7a-4249-98af-f791d163a39f") def test_wifi_connection_5G_softap_2G_with_location_scan_on(self): """Test connection to 5G network, SoftAp on 2G with location scan on.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G) self.turn_location_on_and_scan_toggle_on() self.connect_to_wifi_network_and_start_softap( self.open_5g, WIFI_CONFIG_APBAND_2G) # Now toggle wifi off & ensure we can still scan. wutils.wifi_toggle_state(self.dut, False) wutils.start_wifi_connection_scan_and_ensure_network_found( self.dut, self.open_5g[WifiEnums.SSID_KEY]) @test_tracker_info(uuid="4aa56c11-e5bc-480b-bd61-4b4ee577a5da") def test_softap_2G_wifi_connection_2G(self): """Test SoftAp on 2G followed by connection to 2G network.""" self.configure_ap(channel_2g=WIFI_NETWORK_AP_CHANNEL_2G) self.start_softap_and_connect_to_wifi_network( self.open_2g, WIFI_CONFIG_APBAND_2G) @test_tracker_info(uuid="5f954957-ad20-4de1-b20c-6c97d0463bdd") def test_softap_5G_wifi_connection_5G(self): """Test SoftAp on 5G followed by connection to 5G network.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G) self.start_softap_and_connect_to_wifi_network( self.open_5g, WIFI_CONFIG_APBAND_5G) @test_tracker_info(uuid="1306aafc-a07e-4654-ba78-674f90cf748e") def test_softap_5G_wifi_connection_5G_DFS(self): """Test SoftAp on 5G followed by connection to 5G DFS network.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G_DFS) # Set scan tries to 10 to fit the 32ms limitation. # SoftAp uses CTS2SELF frame to go offchannel for scan, and max duration # we can set in CTS2SELF frame is 32ms. # Since DUT SAP is enabled and clients are connect to the SAP, firmware # is allocating only 28ms for passive scan in DFS channel for offchannel # scan operation. We need to increase scan tries to get beacons from AP. self.start_softap_and_connect_to_wifi_network( self.open_5g, WIFI_CONFIG_APBAND_5G, num_of_scan_tries=10) @test_tracker_info(uuid="5e28e8b5-3faa-4cff-a782-13a796d7f572") def test_softap_5G_wifi_connection_2G(self): """Test SoftAp on 5G followed by connection to 2G network.""" self.configure_ap(channel_2g=WIFI_NETWORK_AP_CHANNEL_2G) self.start_softap_and_connect_to_wifi_network( self.open_2g, WIFI_CONFIG_APBAND_5G) @test_tracker_info(uuid="a2c62bc6-9ccd-4bc4-8a23-9a1b5d0b4b5c") def test_softap_2G_wifi_connection_5G(self): """Test SoftAp on 2G followed by connection to 5G network.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G) self.start_softap_and_connect_to_wifi_network( self.open_5g, WIFI_CONFIG_APBAND_2G) @test_tracker_info(uuid="75400685-a9d9-4091-8af3-97bd539c246a") def test_softap_2G_wifi_connection_5G_DFS(self): """Test SoftAp on 2G followed by connection to 5G DFS network.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G_DFS) self.start_softap_and_connect_to_wifi_network( self.open_5g, WIFI_CONFIG_APBAND_2G) @test_tracker_info(uuid="aa23a3fc-31a1-4d5c-8cf5-2eb9fdf9e7ce") def test_softap_5G_wifi_connection_2G_with_location_scan_on(self): """Test SoftAp on 5G, connection to 2G network with location scan on.""" self.configure_ap(channel_2g=WIFI_NETWORK_AP_CHANNEL_2G) self.turn_location_on_and_scan_toggle_on() self.start_softap_and_connect_to_wifi_network( self.open_2g, WIFI_CONFIG_APBAND_5G) # Now toggle wifi off & ensure we can still scan. wutils.wifi_toggle_state(self.dut, False) wutils.start_wifi_connection_scan_and_ensure_network_found( self.dut, self.open_2g[WifiEnums.SSID_KEY]) @test_tracker_info(uuid="9decb951-4500-4476-8161-f4054760f709") def test_wifi_connection_2G_softap_2G_to_softap_5g(self): """Test connection to 2G network followed by SoftAp on 2G, and switch SoftAp to 5G.""" self.configure_ap(channel_2g=WIFI_NETWORK_AP_CHANNEL_2G) self.connect_to_wifi_network_and_start_softap( self.open_2g, WIFI_CONFIG_APBAND_2G) self.softap_change_band(self.dut) @test_tracker_info(uuid="e17e0fb8-2c1d-4f3c-af2a-7374485f210c") def test_wifi_connection_5G_softap_2G_to_softap_5g(self): """Test connection to 5G network followed by SoftAp on 2G, and switch SoftAp to 5G.""" self.configure_ap(channel_5g=WIFI_NETWORK_AP_CHANNEL_5G) self.connect_to_wifi_network_and_start_softap( self.open_2g, WIFI_CONFIG_APBAND_2G) self.softap_change_band(self.dut) @test_tracker_info(uuid="d549a18e-73d9-45e7-b4df-b59446c4b833") def test_wifi_connection_hidden_2g_softap_2G_to_softap_5g(self): """Test connection to a hidden 2G network on Channel 1 and followed by SoftAp on 2G, and switch SoftAp to 5G. 1. Connect to a hidden 2.4G Wi-Fi AP(channel 1) 2. DUT turn on 2.4G hotspot and client connect to DUT 3. Change AP Band of DUT Hotspot from 2.4GHz to 5GHz Expected results: Both DUT and Hotspot client can access the Internet """ self.configure_ap(channel_2g=WIFI_NETWORK_AP_CHANNEL_2G, hidden=True) self.connect_to_wifi_network_and_start_softap( self.open_2g, WIFI_CONFIG_APBAND_2G, hidden=True) self.softap_change_band(self.dut)