Implement force-all-apps-standly in job scheduler. (9be0140c) · Commits · e / os / android_frameworks_base

core/java/android/os/PowerManager.java

+3 −9

Original line number	Diff line number	Diff line
		@@ -527,8 +527,7 @@ public final class PowerManager {
		ServiceType.SOUND,
		ServiceType.BATTERY_STATS,
		ServiceType.DATA_SAVER,
		ServiceType.FORCE_ALL_APPS_STANDBY_JOBS,
		ServiceType.FORCE_ALL_APPS_STANDBY_ALARMS,
		ServiceType.FORCE_ALL_APPS_STANDBY,
		ServiceType.OPTIONAL_SENSORS,
		})
		public @interface ServiceType {
		@@ -545,14 +544,9 @@ public final class PowerManager {
		int DATA_SAVER = 10;

		/**
		* Whether the job scheduler should force app standby on all apps on battery saver or not.
		* Whether to enable force-app-standby on all apps or not.
		*/
		int FORCE_ALL_APPS_STANDBY_JOBS = 11;

		/**
		* Whether the alarm manager should force app standby on all apps on battery saver or not.
		*/
		int FORCE_ALL_APPS_STANDBY_ALARMS = 12;
		int FORCE_ALL_APPS_STANDBY = 11;

		/**
		* Whether to disable non-essential sensors. (e.g. edge sensors.)

services/core/java/com/android/server/ForceAppStandbyTracker.java

0 → 100644

+386 −0

Original line number	Diff line number	Diff line
		/*
		* 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.server;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.app.ActivityManager;
		import android.app.AppOpsManager;
		import android.app.AppOpsManager.PackageOps;
		import android.app.IUidObserver;
		import android.content.Context;
		import android.os.Handler;
		import android.os.PowerManager.ServiceType;
		import android.os.PowerManagerInternal;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.os.UserHandle;
		import android.util.ArraySet;
		import android.util.Pair;
		import android.util.Slog;
		import android.util.SparseBooleanArray;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.app.IAppOpsCallback;
		import com.android.internal.app.IAppOpsService;
		import com.android.internal.util.Preconditions;

		import java.util.List;

		/**
		* Class to track OP_RUN_ANY_IN_BACKGROUND, UID foreground state and "force all app standby".
		*
		* TODO Clean up cache when a user is deleted.
		* TODO Add unit tests. b/68769804.
		*/
		public class ForceAppStandbyTracker {
		private static final String TAG = "ForceAppStandbyTracker";

		@GuardedBy("ForceAppStandbyTracker.class")
		private static ForceAppStandbyTracker sInstance;

		private final Object mLock = new Object();
		private final Context mContext;

		AppOpsManager mAppOpsManager;
		IAppOpsService mAppOpsService;
		PowerManagerInternal mPowerManagerInternal;

		private final Handler mCallbackHandler;

		/**
		* Pair of (uid (not user-id), packageName) with OP_RUN_ANY_IN_BACKGROUND not allowed.
		*/
		@GuardedBy("mLock")
		final ArraySet<Pair<Integer, String>> mForcedAppStandbyUidPackages = new ArraySet<>();

		@GuardedBy("mLock")
		final SparseBooleanArray mForegroundUids = new SparseBooleanArray();

		@GuardedBy("mLock")
		final ArraySet<Listener> mListeners = new ArraySet<>();

		@GuardedBy("mLock")
		boolean mStarted;

		@GuardedBy("mLock")
		boolean mForceAllAppsStandby;

		public static abstract class Listener {
		public void onRestrictionChanged(int uid, @Nullable String packageName) {
		}

		public void onGlobalRestrictionChanged() {
		}
		}

		private ForceAppStandbyTracker(Context context) {
		mContext = context;
		mCallbackHandler = FgThread.getHandler();
		}

		/**
		* Get the singleton instance.
		*/
		public static synchronized ForceAppStandbyTracker getInstance(Context context) {
		if (sInstance == null) {
		sInstance = new ForceAppStandbyTracker(context);
		}
		return sInstance;
		}

		/**
		* Call it when the system is ready.
		*/
		public void start() {
		synchronized (mLock) {
		if (mStarted) {
		return;
		}
		mStarted = true;

		mAppOpsManager = Preconditions.checkNotNull(
		mContext.getSystemService(AppOpsManager.class));
		mAppOpsService = Preconditions.checkNotNull(
		IAppOpsService.Stub.asInterface(
		ServiceManager.getService(Context.APP_OPS_SERVICE)));
		mPowerManagerInternal = Preconditions.checkNotNull(
		LocalServices.getService(PowerManagerInternal.class));

		try {
		ActivityManager.getService().registerUidObserver(new UidObserver(),
		ActivityManager.UID_OBSERVER_GONE \| ActivityManager.UID_OBSERVER_IDLE
		\| ActivityManager.UID_OBSERVER_ACTIVE,
		ActivityManager.PROCESS_STATE_UNKNOWN, null);
		mAppOpsService.startWatchingMode(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, null,
		new AppOpsWatcher());
		} catch (RemoteException e) {
		// shouldn't happen.
		}

		mPowerManagerInternal.registerLowPowerModeObserver(
		ServiceType.FORCE_ALL_APPS_STANDBY,
		state -> updateForceAllAppsStandby(state.batterySaverEnabled));

		updateForceAllAppsStandby(
		mPowerManagerInternal.getLowPowerState(ServiceType.FORCE_ALL_APPS_STANDBY)
		.batterySaverEnabled);

		refreshForcedAppStandbyUidPackagesLocked();
		}
		}

		/**
		* Update {@link #mForcedAppStandbyUidPackages} with the current app ops state.
		*/
		private void refreshForcedAppStandbyUidPackagesLocked() {
		final int op = AppOpsManager.OP_RUN_ANY_IN_BACKGROUND;

		mForcedAppStandbyUidPackages.clear();
		final List<PackageOps> ops = mAppOpsManager.getPackagesForOps(new int[] {op});

		if (ops == null) {
		return;
		}
		final int size = ops.size();
		for (int i = 0; i < size; i++) {
		final AppOpsManager.PackageOps pkg = ops.get(i);
		final List<AppOpsManager.OpEntry> entries = ops.get(i).getOps();

		for (int j = 0; j < entries.size(); j++) {
		AppOpsManager.OpEntry ent = entries.get(j);
		if (ent.getOp() != op) {
		continue;
		}
		if (ent.getMode() != AppOpsManager.MODE_ALLOWED) {
		mForcedAppStandbyUidPackages.add(Pair.create(
		pkg.getUid(), pkg.getPackageName()));
		}
		}
		}
		}

		boolean isRunAnyInBackgroundAppOpRestricted(int uid, @NonNull String packageName) {
		try {
		return mAppOpsService.checkOperation(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND,
		uid, packageName) != AppOpsManager.MODE_ALLOWED;
		} catch (RemoteException e) {
		return false; // shouldn't happen.
		}
		}

		private int findForcedAppStandbyUidPackageIndexLocked(int uid, @NonNull String packageName) {
		// TODO Maybe we should switch to indexOf(Pair.create()) if the array size is too big.
		final int size = mForcedAppStandbyUidPackages.size();
		for (int i = 0; i < size; i++) {
		final Pair<Integer, String> pair = mForcedAppStandbyUidPackages.valueAt(i);

		if ((pair.first == uid) && packageName.equals(pair.second)) {
		return i;
		}
		}
		return -1;
		}

		/**
		* @return whether a uid package-name pair is in mForcedAppStandbyUidPackages.
		*/
		boolean isUidPackageRestrictedLocked(int uid, @NonNull String packageName) {
		return findForcedAppStandbyUidPackageIndexLocked(uid, packageName) >= 0;
		}

		boolean updateRestrictedUidPackageLocked(int uid, @NonNull String packageName,
		boolean restricted) {
		final int index = findForcedAppStandbyUidPackageIndexLocked(uid, packageName);
		final boolean wasRestricted = index >= 0;
		if (wasRestricted == restricted) {
		return false;
		}
		if (restricted) {
		mForcedAppStandbyUidPackages.add(Pair.create(uid, packageName));
		} else {
		mForcedAppStandbyUidPackages.removeAt(index);
		}
		return true;
		}

		void uidToForeground(int uid) {
		synchronized (mLock) {
		if (!UserHandle.isApp(uid)) {
		return;
		}
		// TODO This can be optimized by calling indexOfKey and sharing the index for get and
		// put.
		if (mForegroundUids.get(uid)) {
		return;
		}
		mForegroundUids.put(uid, true);
		notifyForUidPackage(uid, null);
		}
		}

		void uidToBackground(int uid, boolean remove) {
		synchronized (mLock) {
		if (!UserHandle.isApp(uid)) {
		return;
		}
		// TODO This can be optimized by calling indexOfKey and sharing the index for get and
		// put.
		if (!mForegroundUids.get(uid)) {
		return;
		}
		if (remove) {
		mForegroundUids.delete(uid);
		} else {
		mForegroundUids.put(uid, false);
		}
		notifyForUidPackage(uid, null);
		}
		}

		// Event handlers

		final class UidObserver extends IUidObserver.Stub {
		@Override public void onUidStateChanged(int uid, int procState, long procStateSeq) {
		}

		@Override public void onUidGone(int uid, boolean disabled) {
		uidToBackground(uid, /remove=/ true);
		}

		@Override public void onUidActive(int uid) {
		uidToForeground(uid);
		}

		@Override public void onUidIdle(int uid, boolean disabled) {
		// Just to avoid excessive memcpy, don't remove from the array in this case.
		uidToBackground(uid, /remove=/ false);
		}

		@Override public void onUidCachedChanged(int uid, boolean cached) {
		}
		};

		private final class AppOpsWatcher extends IAppOpsCallback.Stub {
		@Override
		public void opChanged(int op, int uid, String packageName) throws RemoteException {
		synchronized (mLock) {
		final boolean restricted = isRunAnyInBackgroundAppOpRestricted(uid, packageName);

		if (updateRestrictedUidPackageLocked(uid, packageName, restricted)) {
		notifyForUidPackage(uid, packageName);
		}
		}
		}
		}

		private Listener[] cloneListeners() {
		synchronized (mLock) {
		return mListeners.toArray(new Listener[mListeners.size()]);
		}
		}

		void notifyForUidPackage(int uid, String packageName) {
		mCallbackHandler.post(() -> {
		for (Listener l : cloneListeners()) {
		l.onRestrictionChanged(uid, packageName);
		}
		});
		}

		void notifyGlobal() {
		mCallbackHandler.post(() -> {
		for (Listener l : cloneListeners()) {
		l.onGlobalRestrictionChanged();
		}
		});
		}

		void updateForceAllAppsStandby(boolean forceAllAppsStandby) {
		synchronized (mLock) {
		if (mForceAllAppsStandby == forceAllAppsStandby) {
		return;
		}
		mForceAllAppsStandby = forceAllAppsStandby;
		Slog.i(TAG, "Force all app standby: " + mForceAllAppsStandby);
		notifyGlobal();
		}
		}

		// Public interface.

		/**
		* Register a new listener.
		*/
		public void addListener(@NonNull Listener listener) {
		synchronized (mLock) {
		mListeners.add(listener);
		}
		}

		/**
		* Whether force-app-standby is effective for a UID package-name.
		*/
		public boolean isRestricted(int uid, @NonNull String packageName) {
		if (isInForeground(uid)) {
		return false;
		}
		synchronized (mLock) {
		if (mForceAllAppsStandby) {
		return true;
		}
		return isUidPackageRestrictedLocked(uid, packageName);
		}
		}

		/** For dumpsys -- otherwise the callers don't need to know it. */
		public boolean isInForeground(int uid) {
		if (!UserHandle.isApp(uid)) {
		return true;
		}
		synchronized (mLock) {
		return mForegroundUids.get(uid);
		}
		}

		/** For dumpsys -- otherwise the callers don't need to know it. */
		public boolean isForceAllAppsStandbyEnabled() {
		synchronized (mLock) {
		return mForceAllAppsStandby;
		}
		}

		/** For dumpsys -- otherwise the callers don't need to know it. */
		public boolean isRunAnyInBackgroundAppOpsAllowed(int uid, @NonNull String packageName) {
		synchronized (mLock) {
		return !isUidPackageRestrictedLocked(uid, packageName);
		}
		}

		/** For dumpsys -- otherwise the callers don't need to know it. */
		public SparseBooleanArray getForegroudUids() {
		synchronized (mLock) {
		return mForegroundUids.clone();
		}
		}

		/** For dumpsys -- otherwise the callers don't need to know it. */
		public ArraySet<Pair<Integer, String>> getRestrictedUidPackages() {
		synchronized (mLock) {
		return new ArraySet(mForcedAppStandbyUidPackages);
		}
		}
		}

services/core/java/com/android/server/job/JobSchedulerService.java

+0 −9

Original line number	Diff line number	Diff line
		@@ -622,24 +622,15 @@ public final class JobSchedulerService extends com.android.server.SystemService
		if (disabled) {
		cancelJobsForUid(uid, "uid gone");
		}
		synchronized (mLock) {
		mBackgroundJobsController.setUidActiveLocked(uid, false);
		}
		}

		@Override public void onUidActive(int uid) throws RemoteException {
		synchronized (mLock) {
		mBackgroundJobsController.setUidActiveLocked(uid, true);
		}
		}

		@Override public void onUidIdle(int uid, boolean disabled) {
		if (disabled) {
		cancelJobsForUid(uid, "app uid idle");
		}
		synchronized (mLock) {
		mBackgroundJobsController.setUidActiveLocked(uid, false);
		}
		}

		@Override public void onUidCachedChanged(int uid, boolean cached) {

services/core/java/com/android/server/job/controllers/BackgroundJobsController.java

+127 −157

File changed.

Preview size limit exceeded, changes collapsed.

services/core/java/com/android/server/power/BatterySaverPolicy.java

+6 −21

Original line number	Diff line number	Diff line
		@@ -29,9 +29,9 @@ import android.util.ArrayMap;
		import android.util.KeyValueListParser;
		import android.util.Slog;

		import com.android.internal.R;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.R;

		import java.io.PrintWriter;
		import java.util.ArrayList;
		@@ -62,8 +62,7 @@ public class BatterySaverPolicy extends ContentObserver {
		private static final String KEY_ADJUST_BRIGHTNESS_FACTOR = "adjust_brightness_factor";
		private static final String KEY_FULLBACKUP_DEFERRED = "fullbackup_deferred";
		private static final String KEY_KEYVALUE_DEFERRED = "keyvaluebackup_deferred";
		private static final String KEY_FORCE_ALL_APPS_STANDBY_JOBS = "force_all_apps_standby_jobs";
		private static final String KEY_FORCE_ALL_APPS_STANDBY_ALARMS = "force_all_apps_standby_alarms";
		private static final String KEY_FORCE_ALL_APPS_STANDBY = "force_all_apps_standby";
		private static final String KEY_OPTIONAL_SENSORS_DISABLED = "optional_sensors_disabled";

		private static final String KEY_SCREEN_ON_FILE_PREFIX = "file-on:";
		@@ -156,14 +155,9 @@ public class BatterySaverPolicy extends ContentObserver {
		private float mAdjustBrightnessFactor;

		/**
		* Whether to put all apps in the stand-by mode or not for job scheduler.
		* Whether to put all apps in the stand-by mode.
		*/
		private boolean mForceAllAppsStandbyJobs;

		/**
		* Whether to put all apps in the stand-by mode or not for alarms.
		*/
		private boolean mForceAllAppsStandbyAlarms;
		private boolean mForceAllAppsStandby;

		/**
		* Weather to show non-essential sensors (e.g. edge sensors) or not.
		@@ -297,9 +291,7 @@ public class BatterySaverPolicy extends ContentObserver {
		mAdjustBrightnessDisabled = parser.getBoolean(KEY_ADJUST_BRIGHTNESS_DISABLED, false);
		mAdjustBrightnessFactor = parser.getFloat(KEY_ADJUST_BRIGHTNESS_FACTOR, 0.5f);
		mDataSaverDisabled = parser.getBoolean(KEY_DATASAVER_DISABLED, true);
		mForceAllAppsStandbyJobs = parser.getBoolean(KEY_FORCE_ALL_APPS_STANDBY_JOBS, true);
		mForceAllAppsStandbyAlarms =
		parser.getBoolean(KEY_FORCE_ALL_APPS_STANDBY_ALARMS, true);
		mForceAllAppsStandby = parser.getBoolean(KEY_FORCE_ALL_APPS_STANDBY, true);
		mOptionalSensorsDisabled = parser.getBoolean(KEY_OPTIONAL_SENSORS_DISABLED, true);

		// Get default value from Settings.Secure
		@@ -387,12 +379,6 @@ public class BatterySaverPolicy extends ContentObserver {
		case ServiceType.VIBRATION:
		return builder.setBatterySaverEnabled(mVibrationDisabled)
		.build();
		case ServiceType.FORCE_ALL_APPS_STANDBY_JOBS:
		return builder.setBatterySaverEnabled(mForceAllAppsStandbyJobs)
		.build();
		case ServiceType.FORCE_ALL_APPS_STANDBY_ALARMS:
		return builder.setBatterySaverEnabled(mForceAllAppsStandbyAlarms)
		.build();
		case ServiceType.OPTIONAL_SENSORS:
		return builder.setBatterySaverEnabled(mOptionalSensorsDisabled)
		.build();
		@@ -428,8 +414,7 @@ public class BatterySaverPolicy extends ContentObserver {
		pw.println(" " + KEY_ADJUST_BRIGHTNESS_DISABLED + "=" + mAdjustBrightnessDisabled);
		pw.println(" " + KEY_ADJUST_BRIGHTNESS_FACTOR + "=" + mAdjustBrightnessFactor);
		pw.println(" " + KEY_GPS_MODE + "=" + mGpsMode);
		pw.println(" " + KEY_FORCE_ALL_APPS_STANDBY_JOBS + "=" + mForceAllAppsStandbyJobs);
		pw.println(" " + KEY_FORCE_ALL_APPS_STANDBY_ALARMS + "=" + mForceAllAppsStandbyAlarms);
		pw.println(" " + KEY_FORCE_ALL_APPS_STANDBY + "=" + mForceAllAppsStandby);
		pw.println(" " + KEY_OPTIONAL_SENSORS_DISABLED + "=" + mOptionalSensorsDisabled);
		pw.println();