| /* |
| * 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.Context; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.util.Slog; |
| import android.util.proto.ProtoOutputStream; |
| |
| import com.android.server.ForceAppStandbyTracker; |
| import com.android.server.ForceAppStandbyTracker.Listener; |
| import com.android.server.job.JobSchedulerService; |
| import com.android.server.job.JobStore; |
| import com.android.server.job.StateControllerProto; |
| import com.android.server.job.StateControllerProto.BackgroundJobsController.TrackedJob; |
| |
| import java.io.PrintWriter; |
| |
| 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 ForceAppStandbyTracker mForceAppStandbyTracker; |
| |
| |
| public static BackgroundJobsController get(JobSchedulerService service) { |
| synchronized (sCreationLock) { |
| if (sController == null) { |
| sController = new BackgroundJobsController(service, service.getContext(), |
| service.getLock()); |
| } |
| return sController; |
| } |
| } |
| |
| private BackgroundJobsController(JobSchedulerService service, Context context, Object lock) { |
| super(service, context, lock); |
| mJobSchedulerService = service; |
| |
| mForceAppStandbyTracker = ForceAppStandbyTracker.getInstance(context); |
| |
| 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"); |
| |
| mForceAppStandbyTracker.dump(pw, ""); |
| |
| pw.println("Job state:"); |
| mJobSchedulerService.getJobStore().forEachJob((jobStatus) -> { |
| if (!jobStatus.shouldDump(filterUid)) { |
| return; |
| } |
| final int uid = jobStatus.getSourceUid(); |
| final String sourcePkg = jobStatus.getSourcePackageName(); |
| pw.print(" #"); |
| jobStatus.printUniqueId(pw); |
| pw.print(" from "); |
| UserHandle.formatUid(pw, uid); |
| pw.print(mForceAppStandbyTracker.isInForeground(uid) ? " foreground" : " background"); |
| if (mForceAppStandbyTracker.isUidPowerSaveWhitelisted(uid) || |
| mForceAppStandbyTracker.isUidTempPowerSaveWhitelisted(uid)) { |
| pw.print(", whitelisted"); |
| } |
| pw.print(": "); |
| pw.print(sourcePkg); |
| |
| pw.print(" [RUN_ANY_IN_BACKGROUND "); |
| pw.print(mForceAppStandbyTracker.isRunAnyInBackgroundAppOpsAllowed(uid, sourcePkg) |
| ? "allowed]" : "disallowed]"); |
| |
| if ((jobStatus.satisfiedConstraints |
| & JobStatus.CONSTRAINT_BACKGROUND_NOT_RESTRICTED) != 0) { |
| pw.println(" RUNNABLE"); |
| } else { |
| pw.println(" WAITING"); |
| } |
| }); |
| } |
| |
| @Override |
| public void dumpControllerStateLocked(ProtoOutputStream proto, long fieldId, int filterUid) { |
| final long token = proto.start(fieldId); |
| final long mToken = proto.start(StateControllerProto.BACKGROUND); |
| |
| mForceAppStandbyTracker.dumpProto(proto, |
| StateControllerProto.BackgroundJobsController.FORCE_APP_STANDBY_TRACKER); |
| |
| mJobSchedulerService.getJobStore().forEachJob((jobStatus) -> { |
| if (!jobStatus.shouldDump(filterUid)) { |
| return; |
| } |
| final long jsToken = |
| proto.start(StateControllerProto.BackgroundJobsController.TRACKED_JOBS); |
| |
| jobStatus.writeToShortProto(proto, |
| TrackedJob.INFO); |
| final int sourceUid = jobStatus.getSourceUid(); |
| proto.write(TrackedJob.SOURCE_UID, sourceUid); |
| final String sourcePkg = jobStatus.getSourcePackageName(); |
| proto.write(TrackedJob.SOURCE_PACKAGE_NAME, sourcePkg); |
| |
| proto.write(TrackedJob.IS_IN_FOREGROUND, |
| mForceAppStandbyTracker.isInForeground(sourceUid)); |
| proto.write(TrackedJob.IS_WHITELISTED, |
| mForceAppStandbyTracker.isUidPowerSaveWhitelisted(sourceUid) || |
| mForceAppStandbyTracker.isUidTempPowerSaveWhitelisted(sourceUid)); |
| |
| proto.write( |
| TrackedJob.CAN_RUN_ANY_IN_BACKGROUND, |
| mForceAppStandbyTracker.isRunAnyInBackgroundAppOpsAllowed( |
| sourceUid, sourcePkg)); |
| |
| proto.write( |
| TrackedJob.ARE_CONSTRAINTS_SATISFIED, |
| (jobStatus.satisfiedConstraints & |
| JobStatus.CONSTRAINT_BACKGROUND_NOT_RESTRICTED) != 0); |
| |
| proto.end(jsToken); |
| }); |
| |
| proto.end(mToken); |
| proto.end(token); |
| } |
| |
| 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(); |
| } |
| } |
| |
| boolean updateSingleJobRestrictionLocked(JobStatus jobStatus) { |
| |
| final int uid = jobStatus.getSourceUid(); |
| final String packageName = jobStatus.getSourcePackageName(); |
| |
| final boolean canRun = !mForceAppStandbyTracker.areJobsRestricted(uid, packageName, |
| (jobStatus.getInternalFlags() & JobStatus.INTERNAL_FLAG_HAS_FOREGROUND_EXEMPTION) |
| != 0); |
| |
| 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 updateAllJobs() { |
| synchronized (mLock) { |
| updateAllJobRestrictionsLocked(); |
| } |
| } |
| |
| @Override |
| public void updateJobsForUid(int uid) { |
| synchronized (mLock) { |
| updateJobRestrictionsForUidLocked(uid); |
| } |
| } |
| |
| @Override |
| public void updateJobsForUidPackage(int uid, String packageName) { |
| synchronized (mLock) { |
| updateJobRestrictionsForUidLocked(uid); |
| } |
| } |
| }; |
| } |