| #!/usr/bin/env python3 |
| # |
| # Copyright 2020 - 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 time |
| |
| from acts import signals |
| from acts.controllers.access_point import setup_ap |
| from acts.controllers.ap_lib import hostapd_constants |
| from acts.controllers.ap_lib import hostapd_security |
| from acts_contrib.test_utils.wifi.WifiBaseTest import WifiBaseTest |
| from acts.utils import rand_ascii_str |
| |
| DISCONNECTED = "Disconnected" |
| CONNECTION_STOPPED = "ConnectionStopped" |
| CONNECTIONS_ENABLED = "ConnectionsEnabled" |
| CONNECTIONS_DISABLED = "ConnectionsDisabled" |
| WPA2 = "wpa2" |
| UPDATE_TIMEOUT_SEC = 5 |
| |
| |
| class StartStopClientConnectionsTest(WifiBaseTest): |
| """ Tests that we see the expected behavior with enabling and disabling |
| client connections |
| |
| Test Bed Requirement: |
| * One or more Fuchsia devices |
| * One Access Point |
| """ |
| |
| def setup_class(self): |
| super().setup_class() |
| # Start an AP with a hidden network |
| self.ssid = rand_ascii_str(hostapd_constants.AP_SSID_LENGTH_2G) |
| self.access_point = self.access_points[0] |
| self.password = rand_ascii_str( |
| hostapd_constants.AP_PASSPHRASE_LENGTH_2G) |
| self.security_type = WPA2 |
| security = hostapd_security.Security(security_mode=self.security_type, |
| password=self.password) |
| |
| self.access_point.stop_all_aps() |
| # TODO(63719) use varying values for AP that shouldn't affect the test. |
| setup_ap(self.access_point, |
| 'whirlwind', |
| hostapd_constants.AP_DEFAULT_CHANNEL_5G, |
| self.ssid, |
| security=security) |
| |
| if len(self.fuchsia_devices) < 1: |
| raise EnvironmentError("No Fuchsia devices found.") |
| for fd in self.fuchsia_devices: |
| fd.configure_wlan(association_mechanism='policy', |
| preserve_saved_networks=True) |
| |
| def setup_test(self): |
| for fd in self.fuchsia_devices: |
| if not fd.wlan_policy_controller.remove_all_networks(): |
| raise EnvironmentError( |
| "Failed to remove all networks in setup") |
| |
| def teardown_class(self): |
| self.access_point.stop_all_aps() |
| |
| def connect_and_validate(self, fd, ssid, security_type, expected_response): |
| """ Sends a connect request to the device and verifies we get a response |
| without error. This does not validate that a connection will be |
| attempted. This will fail the test if there is an error sending the |
| connect request, or if we don't get the expected connect response.""" |
| result_connect = fd.sl4f.wlan_policy_lib.wlanConnect( |
| ssid, security_type) |
| if result_connect.get("error") != None: |
| self.log.error("Error occurred requesting a connection: %s" % |
| result_connect.get("error")) |
| raise EnvironmentError("Failed to send connect request") |
| response = result_connect.get("result") |
| if response != expected_response: |
| self.log.error( |
| "Incorrect connect request response. Expected: \"%s\", Actual: %s" |
| % (expected_response, response)) |
| raise signals.TestFailure( |
| "Failed to get expected connect response") |
| |
| def await_state_update(self, fd, desired_state, timeout): |
| """ This function polls the policy client state until it converges to |
| the caller's desired state. |
| |
| Args: |
| fd: A FuchsiaDevice |
| desired_state: The expected client policy state. |
| timeout: Number of seconds to wait for the policy state to become |
| the desired_state. |
| Returns: |
| None assuming the desired state has been reached. |
| Raises: |
| TestFailure if the desired state is not reached by the timeout. |
| """ |
| start_time = time.time() |
| curr_state = None |
| while time.time() < start_time + timeout: |
| fd.sl4f.wlan_policy_lib.wlanSetNewListener() |
| curr_state = fd.sl4f.wlan_policy_lib.wlanGetUpdate() |
| if curr_state.get("error"): |
| self.log.error("Error occurred getting status update: %s" % |
| curr_state.get("error")) |
| raise EnvironmentError("Failed to get update") |
| |
| if curr_state.get("result") and curr_state.get( |
| "result") == desired_state: |
| return |
| |
| time.sleep(1) |
| |
| self.log.error( |
| "Client state did not converge to the expected state in %s " |
| "seconds. Expected update: %s Actual update: %s" % |
| (timeout, desired_state, curr_state)) |
| raise signals.TestFailure("Client policy layer is in unexpected state") |
| |
| def test_stop_client_connections_update(self): |
| for fd in self.fuchsia_devices: |
| if not fd.wlan_policy_controller.stop_client_connections(): |
| raise EnvironmentError("Failed to stop client connecions") |
| |
| # Check that the most recent update says that the device is not |
| # connected to anything and client connections are disabled |
| expected_update = {"networks": [], "state": CONNECTIONS_DISABLED} |
| self.await_state_update(fd, expected_update, UPDATE_TIMEOUT_SEC) |
| |
| def test_start_client_connections_update(self): |
| for fd in self.fuchsia_devices: |
| if not fd.wlan_policy_controller.start_client_connections(): |
| raise EnvironmentError("Failed to start client connecions") |
| |
| # Check that the most recent update says that the device is not |
| # connected to anything and client connections are disabled |
| expected_update = {"networks": [], "state": CONNECTIONS_ENABLED} |
| self.await_state_update(fd, expected_update, UPDATE_TIMEOUT_SEC) |
| |
| def test_stop_client_connections_rejects_connections(self): |
| # Test that if we turn client connections off, our requests to connect |
| # are rejected. |
| for fd in self.fuchsia_devices: |
| if not fd.wlan_policy_controller.stop_client_connections(): |
| raise EnvironmentError("Failed to stop client connecions") |
| |
| # Save the network, otherwise connecting may fail because the |
| # network is not saved instead of client connections being off |
| if not fd.wlan_policy_controller.save_network( |
| self.ssid, self.security_type, password=self.password): |
| raise EnvironmentError("Failed to save network") |
| expected_response = "RejectedIncompatibleMode" |
| self.connect_and_validate(fd, self.ssid, self.security_type, |
| expected_response) |
| |
| def test_start_stop_client_connections(self): |
| # Test that if we turn client connections on the device will connect, |
| # and if we turn of client connections the device will disconnect. |
| for fd in self.fuchsia_devices: |
| # Start client connections and check that we can |
| if not fd.wlan_policy_controller.save_network( |
| self.ssid, self.security_type, password=self.password): |
| raise EnvironmentError("Failed to save network") |
| if not fd.wlan_policy_controller.start_client_connections(): |
| raise EnvironmentError("Failed to start client connections") |
| |
| expected_response = "Acknowledged" |
| self.connect_and_validate(fd, self.ssid, self.security_type, |
| expected_response) |
| |
| if not fd.wlan_policy_controller.wait_for_connect( |
| self.ssid, self.security_type): |
| raise signals.TestFailure( |
| "Failed to connect after starting client connections") |
| |
| # Stop client connections again and check that we disconnect |
| if not fd.wlan_policy_controller.stop_client_connections(): |
| raise EnvironmentError("Failed to stop client connecions") |
| if not fd.wlan_policy_controller.wait_for_disconnect( |
| self.ssid, self.security_type, DISCONNECTED, |
| CONNECTION_STOPPED): |
| raise signals.TestFailure( |
| "Failed to disconnect after client connections stopped") |
