| /* |
| * Copyright (C) 2014 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.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.log.LogUtil.CLog; |
| import com.android.tradefed.util.CommandResult; |
| import com.android.tradefed.util.CommandStatus; |
| |
| /** |
| * A {@link ITargetPreparer} that wipes userdata |
| */ |
| @OptionClass(alias = "device-wiper") |
| public class DeviceWiper implements ITargetPreparer { |
| |
| @Option(name = "disable", description = "disables the device wiper") |
| protected boolean mDisable = false; |
| |
| @Option(name = "use-erase", description = |
| "instruct wiper to use fastboot erase instead of format") |
| protected boolean mUseErase = false; |
| |
| @Override |
| public void setUp(ITestDevice device, IBuildInfo buildInfo) throws TargetSetupError, |
| DeviceNotAvailableException { |
| if (mDisable) { |
| return; |
| } |
| CLog.i("Wiping device"); |
| device.rebootIntoBootloader(); |
| if (mUseErase) { |
| doErase(device); |
| } else { |
| doFormat(device); |
| } |
| device.executeFastbootCommand("reboot"); |
| device.waitForDeviceAvailable(); |
| } |
| |
| private void doFormat(ITestDevice device) throws DeviceNotAvailableException, TargetSetupError { |
| performFastbootOp(device, "format", "cache"); |
| performFastbootOp(device, "format", "userdata"); |
| } |
| |
| private void doErase(ITestDevice device) throws DeviceNotAvailableException, TargetSetupError { |
| performFastbootOp(device, "erase", "cache"); |
| performFastbootOp(device, "erase", "userdata"); |
| } |
| |
| private void performFastbootOp(ITestDevice device, String op, String partition) |
| throws DeviceNotAvailableException, TargetSetupError { |
| CLog.d("Attempting fastboot %s %s", op, partition); |
| CommandResult r = device.executeLongFastbootCommand(op, partition); |
| if (r.getStatus() != CommandStatus.SUCCESS) { |
| throw new TargetSetupError(String.format("%s %s failed: %s", op, partition, |
| r.getStderr())); |
| } |
| } |
| } |