| /* |
| * 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; |
| |
| import android.content.Context; |
| import android.net.Uri; |
| import android.provider.Settings; |
| import androidx.annotation.VisibleForTesting; |
| import android.text.format.DateUtils; |
| import android.util.KeyValueListParser; |
| import android.util.Log; |
| |
| import java.util.Arrays; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Class to store the policy for anomaly detection, which comes from |
| * {@link android.provider.Settings.Global} |
| */ |
| public class AnomalyDetectionPolicy { |
| public static final String TAG = "AnomalyDetectionPolicy"; |
| |
| @VisibleForTesting |
| static final String KEY_ANOMALY_DETECTION_ENABLED = "anomaly_detection_enabled"; |
| @VisibleForTesting |
| static final String KEY_WAKELOCK_DETECTION_ENABLED = "wakelock_enabled"; |
| @VisibleForTesting |
| static final String KEY_WAKEUP_ALARM_DETECTION_ENABLED = "wakeup_alarm_enabled"; |
| @VisibleForTesting |
| static final String KEY_BLUETOOTH_SCAN_DETECTION_ENABLED = "bluetooth_scan_enabled"; |
| @VisibleForTesting |
| static final String KEY_WAKELOCK_THRESHOLD = "wakelock_threshold"; |
| @VisibleForTesting |
| static final String KEY_WAKEUP_ALARM_THRESHOLD = "wakeup_alarm_threshold"; |
| @VisibleForTesting |
| static final String KEY_WAKEUP_BLACKLISTED_TAGS = "wakeup_blacklisted_tags"; |
| @VisibleForTesting |
| static final String KEY_BLUETOOTH_SCAN_THRESHOLD = "bluetooth_scan_threshold"; |
| |
| /** |
| * {@code true} if general anomaly detection is enabled |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_ANOMALY_DETECTION_ENABLED |
| */ |
| final boolean anomalyDetectionEnabled; |
| |
| /** |
| * {@code true} if wakelock anomaly detection is enabled |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_WAKELOCK_DETECTION_ENABLED |
| */ |
| final boolean wakeLockDetectionEnabled; |
| |
| /** |
| * {@code true} if wakeup alarm detection is enabled |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_WAKEUP_ALARM_DETECTION_ENABLED |
| */ |
| final boolean wakeupAlarmDetectionEnabled; |
| |
| /** |
| * {@code true} if bluetooth scanning detection is enabled |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_BLUETOOTH_SCAN_THRESHOLD |
| */ |
| final boolean bluetoothScanDetectionEnabled; |
| |
| /** |
| * Threshold for wakelock time in milli seconds |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_WAKELOCK_THRESHOLD |
| */ |
| public final long wakeLockThreshold; |
| |
| /** |
| * Threshold for wakeup alarm count per hour |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_WAKEUP_ALARM_THRESHOLD |
| */ |
| public final long wakeupAlarmThreshold; |
| |
| /** |
| * Array of blacklisted wakeups, by tag. |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_WAKEUP_BLACKLISTED_TAGS |
| */ |
| public final Set<String> wakeupBlacklistedTags; |
| |
| /** |
| * Threshold for bluetooth unoptimized scanning time in milli seconds |
| * |
| * @see Settings.Global#ANOMALY_DETECTION_CONSTANTS |
| * @see #KEY_BLUETOOTH_SCAN_THRESHOLD |
| */ |
| public final long bluetoothScanThreshold; |
| |
| private final KeyValueListParser mParser; |
| |
| public AnomalyDetectionPolicy(Context context) { |
| mParser = new KeyValueListParser(','); |
| final String value = Settings.Global.getString(context.getContentResolver(), |
| Settings.Global.ANOMALY_DETECTION_CONSTANTS); |
| |
| try { |
| mParser.setString(value); |
| } catch (IllegalArgumentException e) { |
| Log.e(TAG, "Bad anomaly detection constants"); |
| } |
| |
| anomalyDetectionEnabled = |
| mParser.getBoolean(KEY_ANOMALY_DETECTION_ENABLED, false); |
| wakeLockDetectionEnabled = |
| mParser.getBoolean(KEY_WAKELOCK_DETECTION_ENABLED,false); |
| wakeupAlarmDetectionEnabled = |
| mParser.getBoolean(KEY_WAKEUP_ALARM_DETECTION_ENABLED,false); |
| bluetoothScanDetectionEnabled = mParser.getBoolean( |
| KEY_BLUETOOTH_SCAN_DETECTION_ENABLED, false); |
| wakeLockThreshold = mParser.getLong(KEY_WAKELOCK_THRESHOLD, |
| DateUtils.HOUR_IN_MILLIS); |
| wakeupAlarmThreshold = mParser.getLong(KEY_WAKEUP_ALARM_THRESHOLD, 10); |
| wakeupBlacklistedTags = parseStringSet(KEY_WAKEUP_BLACKLISTED_TAGS, null); |
| bluetoothScanThreshold = mParser.getLong(KEY_BLUETOOTH_SCAN_THRESHOLD, |
| 30 * DateUtils.MINUTE_IN_MILLIS); |
| } |
| |
| public boolean isAnomalyDetectionEnabled() { |
| return anomalyDetectionEnabled; |
| } |
| |
| public boolean isAnomalyDetectorEnabled(@Anomaly.AnomalyType int type) { |
| switch (type) { |
| case Anomaly.AnomalyType.WAKE_LOCK: |
| return wakeLockDetectionEnabled; |
| case Anomaly.AnomalyType.WAKEUP_ALARM: |
| return wakeupAlarmDetectionEnabled; |
| case Anomaly.AnomalyType.BLUETOOTH_SCAN: |
| return bluetoothScanDetectionEnabled; |
| default: |
| return false; // Disabled when no this type |
| } |
| } |
| |
| private Set<String> parseStringSet(final String key, final Set<String> defaultSet) { |
| final String value = mParser.getString(key, null); |
| if (value != null) { |
| return Arrays.stream(value.split(":")) |
| .map(String::trim).map(Uri::decode).collect(Collectors.toSet()); |
| } else { |
| return defaultSet; |
| } |
| } |
| } |