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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.invoker.shard;
import com.android.ddmlib.Log.LogLevel;
import com.android.tradefed.build.IBuildInfo;
import com.android.tradefed.config.IConfiguration;
import com.android.tradefed.config.IConfigurationReceiver;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.DeviceUnresponsiveException;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.invoker.IInvocationContext;
import com.android.tradefed.log.ILogRegistry.EventType;
import com.android.tradefed.log.LogRegistry;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.result.ITestInvocationListener;
import com.android.tradefed.suite.checker.ISystemStatusChecker;
import com.android.tradefed.suite.checker.ISystemStatusCheckerReceiver;
import com.android.tradefed.testtype.IBuildReceiver;
import com.android.tradefed.testtype.IDeviceTest;
import com.android.tradefed.testtype.IInvocationContextReceiver;
import com.android.tradefed.testtype.IMultiDeviceTest;
import com.android.tradefed.testtype.IRemoteTest;
import com.android.tradefed.testtype.ITestCollector;
import com.android.tradefed.util.StreamUtil;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
/**
* Tests wrapper that allow to execute all the tests of a pool of tests. Tests can be shared by
* another {@link TestsPoolPoller} so synchronization is required.
*
* <p>TODO: Add handling for token module/tests.
*/
public class TestsPoolPoller
implements IRemoteTest,
IConfigurationReceiver,
IDeviceTest,
IBuildReceiver,
IMultiDeviceTest,
IInvocationContextReceiver,
ISystemStatusCheckerReceiver,
ITestCollector {
private static final long WAIT_RECOVERY_TIME = 5 * 60 * 1000;
private Collection<IRemoteTest> mGenericPool;
private CountDownLatch mTracker;
private ITestDevice mDevice;
private IBuildInfo mBuildInfo;
private IInvocationContext mContext;
private Map<ITestDevice, IBuildInfo> mDeviceInfos;
private IConfiguration mConfig;
private List<ISystemStatusChecker> mSystemStatusCheckers;
private boolean mShouldCollectTest = false;
/**
* Ctor where the pool of {@link IRemoteTest} is provided.
*
* @param tests {@link IRemoteTest}s pool of all tests.
* @param tracker a {@link CountDownLatch} shared to get the number of running poller.
*/
public TestsPoolPoller(Collection<IRemoteTest> tests, CountDownLatch tracker) {
mGenericPool = tests;
mTracker = tracker;
}
/** Returns the first {@link IRemoteTest} from the pool or null if none remaining. */
IRemoteTest poll() {
synchronized (mGenericPool) {
if (mGenericPool.isEmpty()) {
return null;
}
IRemoteTest test = mGenericPool.iterator().next();
mGenericPool.remove(test);
return test;
}
}
/** {@inheritDoc} */
@Override
public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
try {
while (true) {
IRemoteTest test = poll();
if (test == null) {
return;
}
if (test instanceof IBuildReceiver) {
((IBuildReceiver) test).setBuild(mBuildInfo);
}
if (test instanceof IConfigurationReceiver) {
((IConfigurationReceiver) test).setConfiguration(mConfig);
}
if (test instanceof IDeviceTest) {
((IDeviceTest) test).setDevice(mDevice);
}
if (test instanceof IInvocationContextReceiver) {
((IInvocationContextReceiver) test).setInvocationContext(mContext);
}
if (test instanceof IMultiDeviceTest) {
((IMultiDeviceTest) test).setDeviceInfos(mDeviceInfos);
}
if (test instanceof ISystemStatusCheckerReceiver) {
((ISystemStatusCheckerReceiver) test)
.setSystemStatusChecker(mSystemStatusCheckers);
}
if (test instanceof ITestCollector) {
((ITestCollector) test).setCollectTestsOnly(mShouldCollectTest);
}
// Run the test itself and prevent random exception from stopping the poller.
try {
test.run(listener);
} catch (RuntimeException e) {
CLog.e(
"Caught an Exception in a test: %s. Proceeding to next test.",
test.getClass());
CLog.e(e);
} catch (DeviceUnresponsiveException due) {
// being able to catch a DeviceUnresponsiveException here implies that recovery was
// successful, and test execution should proceed to next test.
CLog.w(
"Ignored DeviceUnresponsiveException because recovery was "
+ "successful, proceeding with next test. Stack trace:");
CLog.w(due);
CLog.w("Proceeding to the next test.");
} catch (DeviceNotAvailableException dnae) {
HandleDeviceNotAvailable(dnae, test);
}
}
} finally {
mTracker.countDown();
}
}
/**
* Helper to wait for the device to maybe come back online, in that case we reboot it to refresh
* the state and proceed with execution.
*/
void HandleDeviceNotAvailable(DeviceNotAvailableException originalException, IRemoteTest test)
throws DeviceNotAvailableException {
try {
if (mTracker.getCount() > 1) {
CLog.d("Wait 5 min for device to maybe coming back online.");
mDevice.waitForDeviceAvailable(WAIT_RECOVERY_TIME);
mDevice.reboot();
CLog.d("TestPoller was recovered after %s went offline", mDevice.getSerialNumber());
return;
}
// We catch and rethrow in order to log that the poller associated with the device
// that went offline is terminating.
CLog.e(
"Test %s threw DeviceNotAvailableException. Test poller associated with "
+ "device %s is terminating.",
test.getClass(), mDevice.getSerialNumber());
// Log an event to track more easily the failure
logDeviceEvent(
EventType.SHARD_POLLER_EARLY_TERMINATION,
mDevice.getSerialNumber(),
originalException);
} catch (DeviceNotAvailableException e) {
// ignore this exception
}
throw originalException;
}
/** Helper to log the device events. */
private void logDeviceEvent(EventType event, String serial, Throwable t) {
Map<String, String> args = new HashMap<>();
args.put("serial", serial);
args.put("trace", StreamUtil.getStackTrace(t));
LogRegistry.getLogRegistry().logEvent(LogLevel.DEBUG, event, args);
}
@Override
public void setBuild(IBuildInfo buildInfo) {
mBuildInfo = buildInfo;
}
@Override
public void setDevice(ITestDevice device) {
mDevice = device;
}
@Override
public ITestDevice getDevice() {
return mDevice;
}
@Override
public void setInvocationContext(IInvocationContext invocationContext) {
mContext = invocationContext;
}
@Override
public void setDeviceInfos(Map<ITestDevice, IBuildInfo> deviceInfos) {
mDeviceInfos = deviceInfos;
}
@Override
public void setConfiguration(IConfiguration configuration) {
mConfig = configuration;
}
@Override
public void setSystemStatusChecker(List<ISystemStatusChecker> systemCheckers) {
mSystemStatusCheckers = systemCheckers;
}
@Override
public void setCollectTestsOnly(boolean shouldCollectTest) {
mShouldCollectTest = shouldCollectTest;
}
}
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