| /* |
| * Copyright (C) 2018 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.settings.fuelgauge.batterytip; |
| |
| import static android.os.StatsDimensionsValue.INT_VALUE_TYPE; |
| import static android.os.StatsDimensionsValue.TUPLE_VALUE_TYPE; |
| |
| import android.app.AppOpsManager; |
| import android.app.StatsManager; |
| import android.app.job.JobInfo; |
| import android.app.job.JobParameters; |
| import android.app.job.JobScheduler; |
| import android.app.job.JobService; |
| import android.app.job.JobWorkItem; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.os.StatsDimensionsValue; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import androidx.annotation.GuardedBy; |
| import androidx.annotation.VisibleForTesting; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import com.android.internal.logging.nano.MetricsProto; |
| import com.android.internal.util.ArrayUtils; |
| import com.android.settings.R; |
| import com.android.settings.fuelgauge.BatteryUtils; |
| import com.android.settings.fuelgauge.PowerUsageFeatureProvider; |
| import com.android.settings.overlay.FeatureFactory; |
| import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; |
| import com.android.settingslib.fuelgauge.PowerWhitelistBackend; |
| import com.android.settingslib.utils.ThreadUtils; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| /** A JobService to store anomaly data to anomaly database */ |
| public class AnomalyDetectionJobService extends JobService { |
| private static final String TAG = "AnomalyDetectionService"; |
| private static final int ON = 1; |
| @VisibleForTesting |
| static final int UID_NULL = -1; |
| @VisibleForTesting |
| static final int STATSD_UID_FILED = 1; |
| @VisibleForTesting |
| static final long MAX_DELAY_MS = TimeUnit.MINUTES.toMillis(30); |
| |
| private final Object mLock = new Object(); |
| @GuardedBy("mLock") |
| @VisibleForTesting |
| boolean mIsJobCanceled = false; |
| |
| public static void scheduleAnomalyDetection(Context context, Intent intent) { |
| final JobScheduler jobScheduler = context.getSystemService(JobScheduler.class); |
| final ComponentName component = new ComponentName(context, |
| AnomalyDetectionJobService.class); |
| final JobInfo.Builder jobBuilder = |
| new JobInfo.Builder(R.integer.job_anomaly_detection, component) |
| .setOverrideDeadline(MAX_DELAY_MS); |
| |
| if (jobScheduler.enqueue(jobBuilder.build(), new JobWorkItem(intent)) |
| != JobScheduler.RESULT_SUCCESS) { |
| Log.i(TAG, "Anomaly detection job service enqueue failed."); |
| } |
| } |
| |
| @Override |
| public boolean onStartJob(JobParameters params) { |
| synchronized (mLock) { |
| mIsJobCanceled = false; |
| } |
| ThreadUtils.postOnBackgroundThread(() -> { |
| final Context context = AnomalyDetectionJobService.this; |
| final BatteryDatabaseManager batteryDatabaseManager = |
| BatteryDatabaseManager.getInstance(this); |
| final BatteryTipPolicy policy = new BatteryTipPolicy(this); |
| final BatteryUtils batteryUtils = BatteryUtils.getInstance(this); |
| final ContentResolver contentResolver = getContentResolver(); |
| final UserManager userManager = getSystemService(UserManager.class); |
| final PowerWhitelistBackend powerWhitelistBackend = |
| PowerWhitelistBackend.getInstance(context); |
| final PowerUsageFeatureProvider powerUsageFeatureProvider = FeatureFactory |
| .getFactory(this).getPowerUsageFeatureProvider(this); |
| final MetricsFeatureProvider metricsFeatureProvider = FeatureFactory |
| .getFactory(this).getMetricsFeatureProvider(); |
| |
| for (JobWorkItem item = dequeueWork(params); item != null; item = dequeueWork(params)) { |
| saveAnomalyToDatabase(context, userManager, |
| batteryDatabaseManager, batteryUtils, policy, powerWhitelistBackend, |
| contentResolver, powerUsageFeatureProvider, metricsFeatureProvider, |
| item.getIntent().getExtras()); |
| |
| completeWork(params, item); |
| } |
| }); |
| |
| return true; |
| } |
| |
| @Override |
| public boolean onStopJob(JobParameters jobParameters) { |
| synchronized (mLock) { |
| mIsJobCanceled = true; |
| } |
| return true; // Need to reschedule |
| } |
| |
| @VisibleForTesting |
| void saveAnomalyToDatabase(Context context, UserManager userManager, |
| BatteryDatabaseManager databaseManager, BatteryUtils batteryUtils, |
| BatteryTipPolicy policy, PowerWhitelistBackend powerWhitelistBackend, |
| ContentResolver contentResolver, PowerUsageFeatureProvider powerUsageFeatureProvider, |
| MetricsFeatureProvider metricsFeatureProvider, Bundle bundle) { |
| // The Example of intentDimsValue is: 35:{1:{1:{1:10013|}|}|} |
| final StatsDimensionsValue intentDimsValue = |
| bundle.getParcelable(StatsManager.EXTRA_STATS_DIMENSIONS_VALUE); |
| final long timeMs = bundle.getLong(AnomalyDetectionReceiver.KEY_ANOMALY_TIMESTAMP, |
| System.currentTimeMillis()); |
| final ArrayList<String> cookies = bundle.getStringArrayList( |
| StatsManager.EXTRA_STATS_BROADCAST_SUBSCRIBER_COOKIES); |
| final AnomalyInfo anomalyInfo = new AnomalyInfo( |
| !ArrayUtils.isEmpty(cookies) ? cookies.get(0) : ""); |
| Log.i(TAG, "Extra stats value: " + intentDimsValue.toString()); |
| |
| try { |
| final int uid = extractUidFromStatsDimensionsValue(intentDimsValue); |
| final boolean autoFeatureOn = powerUsageFeatureProvider.isSmartBatterySupported() |
| ? Settings.Global.getInt(contentResolver, |
| Settings.Global.ADAPTIVE_BATTERY_MANAGEMENT_ENABLED, ON) == ON |
| : Settings.Global.getInt(contentResolver, |
| Settings.Global.APP_AUTO_RESTRICTION_ENABLED, ON) == ON; |
| final String packageName = batteryUtils.getPackageName(uid); |
| final long versionCode = batteryUtils.getAppLongVersionCode(packageName); |
| |
| if (batteryUtils.shouldHideAnomaly(powerWhitelistBackend, uid, anomalyInfo)) { |
| metricsFeatureProvider.action(context, |
| MetricsProto.MetricsEvent.ACTION_ANOMALY_IGNORED, |
| packageName, |
| Pair.create(MetricsProto.MetricsEvent.FIELD_CONTEXT, |
| anomalyInfo.anomalyType), |
| Pair.create(MetricsProto.MetricsEvent.FIELD_APP_VERSION_CODE, |
| versionCode)); |
| } else { |
| if (autoFeatureOn && anomalyInfo.autoRestriction) { |
| // Auto restrict this app |
| batteryUtils.setForceAppStandby(uid, packageName, |
| AppOpsManager.MODE_IGNORED); |
| databaseManager.insertAnomaly(uid, packageName, anomalyInfo.anomalyType, |
| AnomalyDatabaseHelper.State.AUTO_HANDLED, |
| timeMs); |
| } else { |
| databaseManager.insertAnomaly(uid, packageName, anomalyInfo.anomalyType, |
| AnomalyDatabaseHelper.State.NEW, |
| timeMs); |
| } |
| metricsFeatureProvider.action(context, |
| MetricsProto.MetricsEvent.ACTION_ANOMALY_TRIGGERED, |
| packageName, |
| Pair.create(MetricsProto.MetricsEvent.FIELD_ANOMALY_TYPE, |
| anomalyInfo.anomalyType), |
| Pair.create(MetricsProto.MetricsEvent.FIELD_APP_VERSION_CODE, |
| versionCode)); |
| } |
| |
| } catch (NullPointerException | IndexOutOfBoundsException e) { |
| Log.e(TAG, "Parse stats dimensions value error.", e); |
| } |
| } |
| |
| /** |
| * Extract the uid from {@link StatsDimensionsValue} |
| * |
| * The uid dimension has the format: 1:<int> inside the tuple list. Here are some examples: |
| * 1. Excessive bg anomaly: 27:{1:10089|} |
| * 2. Wakeup alarm anomaly: 35:{1:{1:{1:10013|}|}|} |
| * 3. Bluetooth anomaly: 3:{1:{1:{1:10140|}|}|} |
| */ |
| @VisibleForTesting |
| int extractUidFromStatsDimensionsValue(StatsDimensionsValue statsDimensionsValue) { |
| if (statsDimensionsValue == null) { |
| return UID_NULL; |
| } |
| if (statsDimensionsValue.isValueType(INT_VALUE_TYPE) |
| && statsDimensionsValue.getField() == STATSD_UID_FILED) { |
| // Find out the real uid |
| return statsDimensionsValue.getIntValue(); |
| } |
| if (statsDimensionsValue.isValueType(TUPLE_VALUE_TYPE)) { |
| final List<StatsDimensionsValue> values = statsDimensionsValue.getTupleValueList(); |
| for (int i = 0, size = values.size(); i < size; i++) { |
| int uid = extractUidFromStatsDimensionsValue(values.get(i)); |
| if (uid != UID_NULL) { |
| return uid; |
| } |
| } |
| } |
| |
| return UID_NULL; |
| } |
| |
| @VisibleForTesting |
| JobWorkItem dequeueWork(JobParameters parameters) { |
| synchronized (mLock) { |
| if (mIsJobCanceled) { |
| return null; |
| } |
| |
| return parameters.dequeueWork(); |
| } |
| } |
| |
| @VisibleForTesting |
| void completeWork(JobParameters parameters, JobWorkItem item) { |
| synchronized (mLock) { |
| if (mIsJobCanceled) { |
| return; |
| } |
| |
| parameters.completeWork(item); |
| } |
| } |
| } |