| /* |
| * 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.job.controllers; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.IDeviceIdleController; |
| import android.os.PowerManager; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.util.Pair; |
| import android.util.Slog; |
| import android.util.SparseBooleanArray; |
| |
| import com.android.internal.util.ArrayUtils; |
| import com.android.server.ForceAppStandbyTracker; |
| import com.android.server.ForceAppStandbyTracker.Listener; |
| import com.android.server.job.JobSchedulerService; |
| import com.android.server.job.JobStore; |
| |
| import java.io.PrintWriter; |
| import java.util.function.Predicate; |
| |
| public final class BackgroundJobsController extends StateController { |
| |
| private static final String LOG_TAG = "BackgroundJobsController"; |
| private static final boolean DEBUG = JobSchedulerService.DEBUG; |
| |
| // Singleton factory |
| private static final Object sCreationLock = new Object(); |
| private static volatile BackgroundJobsController sController; |
| |
| private final JobSchedulerService mJobSchedulerService; |
| private final IDeviceIdleController mDeviceIdleController; |
| |
| private int[] mPowerWhitelistedUserAppIds; |
| private int[] mTempWhitelistedAppIds; |
| |
| private final ForceAppStandbyTracker mForceAppStandbyTracker; |
| |
| |
| public static BackgroundJobsController get(JobSchedulerService service) { |
| synchronized (sCreationLock) { |
| if (sController == null) { |
| sController = new BackgroundJobsController(service, service.getContext(), |
| service.getLock()); |
| } |
| return sController; |
| } |
| } |
| |
| private BroadcastReceiver mDozeWhitelistReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (mLock) { |
| try { |
| switch (intent.getAction()) { |
| case PowerManager.ACTION_POWER_SAVE_WHITELIST_CHANGED: |
| mPowerWhitelistedUserAppIds = |
| mDeviceIdleController.getAppIdUserWhitelist(); |
| break; |
| case PowerManager.ACTION_POWER_SAVE_TEMP_WHITELIST_CHANGED: |
| mTempWhitelistedAppIds = mDeviceIdleController.getAppIdTempWhitelist(); |
| break; |
| } |
| } catch (RemoteException rexc) { |
| Slog.e(LOG_TAG, "Device idle controller not reachable"); |
| } |
| updateAllJobRestrictionsLocked(); |
| } |
| } |
| }; |
| |
| private BackgroundJobsController(JobSchedulerService service, Context context, Object lock) { |
| super(service, context, lock); |
| mJobSchedulerService = service; |
| mDeviceIdleController = IDeviceIdleController.Stub.asInterface( |
| ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER)); |
| |
| mForceAppStandbyTracker = ForceAppStandbyTracker.getInstance(context); |
| |
| try { |
| mPowerWhitelistedUserAppIds = mDeviceIdleController.getAppIdUserWhitelist(); |
| mTempWhitelistedAppIds = mDeviceIdleController.getAppIdTempWhitelist(); |
| } catch (RemoteException rexc) { |
| // Shouldn't happen as they are in the same process. |
| Slog.e(LOG_TAG, "AppOps or DeviceIdle service not reachable", rexc); |
| } |
| IntentFilter powerWhitelistFilter = new IntentFilter(); |
| powerWhitelistFilter.addAction(PowerManager.ACTION_POWER_SAVE_WHITELIST_CHANGED); |
| powerWhitelistFilter.addAction(PowerManager.ACTION_POWER_SAVE_TEMP_WHITELIST_CHANGED); |
| context.registerReceiverAsUser(mDozeWhitelistReceiver, UserHandle.ALL, powerWhitelistFilter, |
| null, null); |
| |
| mForceAppStandbyTracker.addListener(mForceAppStandbyListener); |
| mForceAppStandbyTracker.start(); |
| } |
| |
| @Override |
| public void maybeStartTrackingJobLocked(JobStatus jobStatus, JobStatus lastJob) { |
| updateSingleJobRestrictionLocked(jobStatus); |
| } |
| |
| @Override |
| public void maybeStopTrackingJobLocked(JobStatus jobStatus, JobStatus incomingJob, |
| boolean forUpdate) { |
| } |
| |
| @Override |
| public void dumpControllerStateLocked(final PrintWriter pw, final int filterUid) { |
| pw.println("BackgroundJobsController"); |
| |
| pw.print("Force all apps standby: "); |
| pw.println(mForceAppStandbyTracker.isForceAllAppsStandbyEnabled()); |
| |
| pw.print("Foreground uids: ["); |
| final SparseBooleanArray foregroundUids = mForceAppStandbyTracker.getForegroudUids(); |
| |
| String sep = ""; |
| for (int i = 0; i < foregroundUids.size(); i++) { |
| if (foregroundUids.valueAt(i)) { |
| pw.print(sep); |
| pw.print(UserHandle.formatUid(foregroundUids.keyAt(i))); |
| sep = " "; |
| } |
| } |
| pw.println("]"); |
| |
| pw.println("Restricted packages:"); |
| for (Pair<Integer, String> uidAndPackage |
| : mForceAppStandbyTracker.getRestrictedUidPackages()) { |
| pw.print(" "); |
| pw.print(UserHandle.formatUid(uidAndPackage.first)); |
| pw.print(" "); |
| pw.print(uidAndPackage.second); |
| pw.println(); |
| } |
| |
| pw.println("Job state:"); |
| mJobSchedulerService.getJobStore().forEachJob((jobStatus) -> { |
| if (!jobStatus.shouldDump(filterUid)) { |
| return; |
| } |
| final int uid = jobStatus.getSourceUid(); |
| pw.print(" #"); |
| jobStatus.printUniqueId(pw); |
| pw.print(" from "); |
| UserHandle.formatUid(pw, uid); |
| pw.print(mForceAppStandbyTracker.isInForeground(uid) ? " foreground" : " background"); |
| if (isWhitelistedLocked(uid)) { |
| pw.print(", whitelisted"); |
| } |
| pw.print(": "); |
| pw.print(jobStatus.getSourcePackageName()); |
| |
| pw.print(" [background restrictions "); |
| pw.print(mForceAppStandbyTracker.isRunAnyInBackgroundAppOpsAllowed( |
| jobStatus.getSourceUid(), jobStatus.getSourcePackageName()) ? "off]" : "on]"); |
| |
| if ((jobStatus.satisfiedConstraints |
| & JobStatus.CONSTRAINT_BACKGROUND_NOT_RESTRICTED) != 0) { |
| pw.println(" RUNNABLE"); |
| } else { |
| pw.println(" WAITING"); |
| } |
| }); |
| } |
| |
| private void updateAllJobRestrictionsLocked() { |
| updateJobRestrictionsLocked(/*filterUid=*/ -1); |
| } |
| |
| private void updateJobRestrictionsForUidLocked(int uid) { |
| |
| // TODO Use forEachJobForSourceUid() once we have it. |
| |
| updateJobRestrictionsLocked(/*filterUid=*/ uid); |
| } |
| |
| private void updateJobRestrictionsLocked(int filterUid) { |
| final UpdateJobFunctor updateTrackedJobs = |
| new UpdateJobFunctor(filterUid); |
| |
| final long start = DEBUG ? SystemClock.elapsedRealtimeNanos() : 0; |
| |
| mJobSchedulerService.getJobStore().forEachJob(updateTrackedJobs); |
| |
| final long time = DEBUG ? (SystemClock.elapsedRealtimeNanos() - start) : 0; |
| if (DEBUG) { |
| Slog.d(LOG_TAG, String.format( |
| "Job status updated: %d/%d checked/total jobs, %d us", |
| updateTrackedJobs.mCheckedCount, |
| updateTrackedJobs.mTotalCount, |
| (time / 1000) |
| )); |
| } |
| |
| if (updateTrackedJobs.mChanged) { |
| mStateChangedListener.onControllerStateChanged(); |
| } |
| } |
| |
| private boolean isWhitelistedLocked(int uid) { |
| final int appId = UserHandle.getAppId(uid); |
| return ArrayUtils.contains(mTempWhitelistedAppIds, appId) |
| || ArrayUtils.contains(mPowerWhitelistedUserAppIds, appId); |
| } |
| |
| boolean updateSingleJobRestrictionLocked(JobStatus jobStatus) { |
| |
| final int uid = jobStatus.getSourceUid(); |
| final String packageName = jobStatus.getSourcePackageName(); |
| |
| final boolean canRun = isWhitelistedLocked(uid) |
| || !mForceAppStandbyTracker.isRestricted(uid, packageName); |
| |
| return jobStatus.setBackgroundNotRestrictedConstraintSatisfied(canRun); |
| } |
| |
| private final class UpdateJobFunctor implements JobStore.JobStatusFunctor { |
| private final int mFilterUid; |
| |
| boolean mChanged = false; |
| int mTotalCount = 0; |
| int mCheckedCount = 0; |
| |
| UpdateJobFunctor(int filterUid) { |
| mFilterUid = filterUid; |
| } |
| |
| @Override |
| public void process(JobStatus jobStatus) { |
| mTotalCount++; |
| if ((mFilterUid > 0) && (mFilterUid != jobStatus.getSourceUid())) { |
| return; |
| } |
| mCheckedCount++; |
| if (updateSingleJobRestrictionLocked(jobStatus)) { |
| mChanged = true; |
| } |
| } |
| } |
| |
| private final Listener mForceAppStandbyListener = new Listener() { |
| @Override |
| public void onRestrictionChanged(int uid, String packageName) { |
| updateJobRestrictionsForUidLocked(uid); |
| } |
| |
| @Override |
| public void onGlobalRestrictionChanged() { |
| updateAllJobRestrictionsLocked(); |
| } |
| }; |
| } |