| /* |
| * Copyright (C) 2015 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. |
| */ |
| package com.android.compatibility.common.tradefed.targetprep; |
| |
| import com.android.tradefed.build.IBuildInfo; |
| import com.android.tradefed.config.Option; |
| import com.android.tradefed.config.OptionClass; |
| import com.android.tradefed.device.DeviceNotAvailableException; |
| import com.android.tradefed.device.ITestDevice; |
| import com.android.tradefed.targetprep.BuildError; |
| import com.android.tradefed.targetprep.TargetSetupError; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * This preparer ensures that the device is connected to a network. |
| * The options "wifi-ssid" and "wifi-psk" allow users of the preparer to attempt connection |
| * to a network. If the options are provided, the preparer disconnects any existing network |
| * connection, and attempts to connect with the options provided. |
| * |
| * @throws TargetSetupError if device is not connected to a network and no options are given, or |
| * if the device fails to connect to the network specified in the options |
| */ |
| @OptionClass(alias="wifi-check") |
| public class WifiCheck extends PreconditionPreparer { |
| |
| private static final String WIFI_FEATURE = "android.hardware.wifi"; |
| |
| @Option(name = "wifi-ssid", description = "Name of the WiFi network with which to connect") |
| protected String mWifiSsid = null; |
| |
| @Option(name = "wifi-psk", |
| description = "The WPA-PSK associated with the wifi-ssid option") |
| protected String mWifiPsk = null; |
| |
| private boolean hasWifiFeature(ITestDevice device) throws DeviceNotAvailableException { |
| String pmFeatures = device.executeShellCommand("pm list features"); |
| return pmFeatures.contains(WIFI_FEATURE); |
| } |
| |
| @Override |
| public void run(ITestDevice device, IBuildInfo buildInfo) throws TargetSetupError, |
| BuildError, DeviceNotAvailableException { |
| |
| if(!hasWifiFeature(device)) { |
| return; // skip this precondition check if device doesn't support wifi |
| } |
| |
| if (mWifiSsid == null) { // no connection to create, check for existing connectivity |
| if (!device.checkConnectivity()) { |
| logError("Device has no network connection, no ssid provided, some modules " + |
| "of CTS require an active network connection"); |
| return; |
| } |
| } else { // network provided in options, attempt to create new connection |
| logInfo("Attempting connection to \"%s\"", mWifiSsid); |
| if (!device.connectToWifiNetwork(mWifiSsid, mWifiPsk)) { // attempt connection |
| logError("Unable to connect to network \"%s\", some modules of CTS" + |
| "require an active network connection", mWifiSsid); |
| return; |
| } |
| } |
| logInfo("Wifi is connected"); |
| } |
| } |