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/*
* Copyright (C) 2017 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.IRunUtil;
import com.android.tradefed.util.RunUtil;
@OptionClass(alias = "restart-system-server")
public class RestartSystemServerTargetPreparer implements ITargetCleaner {
@Option(name = "poll-interval-millis",
description = "Time interval to poll if system server has restarted")
private long mPollIntervalMillis = 3000L;
@Option(name = "max-tries",
description = "Max number of tries to poll")
private int mMaxTries = 10;
@Option(name = "restart-before")
private boolean mRestartBefore = true;
@Option(name = "restart-after")
private boolean mRestartAfter = false;
private IRunUtil mRunUtil;
public RestartSystemServerTargetPreparer() {
this(RunUtil.getDefault());
}
public RestartSystemServerTargetPreparer(IRunUtil runUtil) {
this.mRunUtil = runUtil;
}
private boolean restartSystemServer(ITestDevice device) throws DeviceNotAvailableException {
device.executeShellCommand("setprop sys.boot_completed 0");
String pid = device.executeShellCommand("pidof system_server");
device.executeShellCommand("kill " + pid);
boolean success = false;
for (int tries = 0; tries < mMaxTries; ++tries) {
if (device.executeShellCommand("getprop sys.boot_completed").trim().equals("1")) {
success = true;
break;
}
mRunUtil.sleep(mPollIntervalMillis);
}
return success;
}
@Override
public void setUp(ITestDevice device, IBuildInfo buildInfo)
throws TargetSetupError, BuildError, DeviceNotAvailableException {
if (!mRestartBefore) {
return;
}
boolean success = restartSystemServer(device);
if (!success) {
throw new TargetSetupError("Gave up on waiting for system server to restart",
device.getDeviceDescriptor());
}
}
@Override
public void tearDown(ITestDevice device, IBuildInfo buildInfo, Throwable e)
throws DeviceNotAvailableException {
if (!mRestartAfter) {
return;
}
boolean success = restartSystemServer(device);
if (!success) {
CLog.i("Failed to restart system server on tearDown.");
}
}
}
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