| /* |
| * 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.settings.fuelgauge.anomaly.checker; |
| |
| import android.content.Context; |
| import android.os.BatteryStats; |
| import android.os.SystemClock; |
| import androidx.annotation.VisibleForTesting; |
| import android.text.format.DateUtils; |
| import android.util.ArrayMap; |
| |
| import com.android.internal.os.BatterySipper; |
| import com.android.internal.os.BatteryStatsHelper; |
| import com.android.settings.Utils; |
| import com.android.settings.fuelgauge.BatteryUtils; |
| import com.android.settings.fuelgauge.anomaly.Anomaly; |
| import com.android.settings.fuelgauge.anomaly.AnomalyDetectionPolicy; |
| import com.android.settings.fuelgauge.anomaly.AnomalyUtils; |
| import com.android.settings.fuelgauge.anomaly.action.AnomalyAction; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Check whether apps have unoptimized bluetooth scanning in the background |
| */ |
| public class BluetoothScanAnomalyDetector implements AnomalyDetector { |
| private static final String TAG = "BluetoothScanAnomalyDetector"; |
| @VisibleForTesting |
| BatteryUtils mBatteryUtils; |
| private long mBluetoothScanningThreshold; |
| private Context mContext; |
| private AnomalyUtils mAnomalyUtils; |
| |
| public BluetoothScanAnomalyDetector(Context context) { |
| this(context, new AnomalyDetectionPolicy(context), AnomalyUtils.getInstance(context)); |
| } |
| |
| @VisibleForTesting |
| BluetoothScanAnomalyDetector(Context context, AnomalyDetectionPolicy policy, |
| AnomalyUtils anomalyUtils) { |
| mContext = context; |
| mBatteryUtils = BatteryUtils.getInstance(context); |
| mBluetoothScanningThreshold = policy.bluetoothScanThreshold; |
| mAnomalyUtils = anomalyUtils; |
| } |
| |
| @Override |
| public List<Anomaly> detectAnomalies(BatteryStatsHelper batteryStatsHelper) { |
| // Detect all apps if targetPackageName is null |
| return detectAnomalies(batteryStatsHelper, null /* targetPackageName */); |
| } |
| |
| @Override |
| public List<Anomaly> detectAnomalies(BatteryStatsHelper batteryStatsHelper, |
| String targetPackageName) { |
| final List<BatterySipper> batterySippers = batteryStatsHelper.getUsageList(); |
| final List<Anomaly> anomalies = new ArrayList<>(); |
| final int targetUid = mBatteryUtils.getPackageUid(targetPackageName); |
| final long elapsedRealtimeMs = SystemClock.elapsedRealtime(); |
| |
| for (int i = 0, size = batterySippers.size(); i < size; i++) { |
| final BatterySipper sipper = batterySippers.get(i); |
| final BatteryStats.Uid uid = sipper.uidObj; |
| if (uid == null |
| || mBatteryUtils.shouldHideSipper(sipper) |
| || (targetUid != BatteryUtils.UID_NULL && targetUid != uid.getUid())) { |
| continue; |
| } |
| |
| final long bluetoothTimeMs = getBluetoothUnoptimizedBgTimeMs(uid, elapsedRealtimeMs); |
| if (bluetoothTimeMs > mBluetoothScanningThreshold) { |
| final String packageName = mBatteryUtils.getPackageName(uid.getUid()); |
| final CharSequence displayName = Utils.getApplicationLabel(mContext, |
| packageName); |
| |
| Anomaly anomaly = new Anomaly.Builder() |
| .setUid(uid.getUid()) |
| .setType(Anomaly.AnomalyType.BLUETOOTH_SCAN) |
| .setDisplayName(displayName) |
| .setPackageName(packageName) |
| .setBluetoothScanningTimeMs(bluetoothTimeMs) |
| .build(); |
| |
| if (mAnomalyUtils.getAnomalyAction(anomaly).isActionActive(anomaly)) { |
| anomalies.add(anomaly); |
| } |
| } |
| } |
| |
| return anomalies; |
| } |
| |
| @VisibleForTesting |
| public long getBluetoothUnoptimizedBgTimeMs(BatteryStats.Uid uid, long elapsedRealtimeMs) { |
| BatteryStats.Timer timer = uid.getBluetoothUnoptimizedScanBackgroundTimer(); |
| |
| return timer != null ? timer.getTotalDurationMsLocked(elapsedRealtimeMs) : 0; |
| } |
| |
| } |