| /* |
| * Copyright (C) 2014 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.content.pm.PackageManager; |
| import android.os.UserHandle; |
| import android.util.ArraySet; |
| import android.util.Slog; |
| import android.util.proto.ProtoOutputStream; |
| |
| import com.android.internal.util.IndentingPrintWriter; |
| import com.android.server.job.JobSchedulerService; |
| import com.android.server.job.StateControllerProto; |
| import com.android.server.job.controllers.idle.CarIdlenessTracker; |
| import com.android.server.job.controllers.idle.DeviceIdlenessTracker; |
| import com.android.server.job.controllers.idle.IdlenessListener; |
| import com.android.server.job.controllers.idle.IdlenessTracker; |
| |
| import java.util.function.Predicate; |
| |
| public final class IdleController extends StateController implements IdlenessListener { |
| private static final String TAG = "JobScheduler.IdleController"; |
| // Policy: we decide that we're "idle" if the device has been unused / |
| // screen off or dreaming or wireless charging dock idle for at least this long |
| final ArraySet<JobStatus> mTrackedTasks = new ArraySet<>(); |
| IdlenessTracker mIdleTracker; |
| |
| public IdleController(JobSchedulerService service) { |
| super(service); |
| initIdleStateTracking(mContext); |
| } |
| |
| /** |
| * StateController interface |
| */ |
| @Override |
| public void maybeStartTrackingJobLocked(JobStatus taskStatus, JobStatus lastJob) { |
| if (taskStatus.hasIdleConstraint()) { |
| mTrackedTasks.add(taskStatus); |
| taskStatus.setTrackingController(JobStatus.TRACKING_IDLE); |
| taskStatus.setIdleConstraintSatisfied(mIdleTracker.isIdle()); |
| } |
| } |
| |
| @Override |
| public void maybeStopTrackingJobLocked(JobStatus taskStatus, JobStatus incomingJob, |
| boolean forUpdate) { |
| if (taskStatus.clearTrackingController(JobStatus.TRACKING_IDLE)) { |
| mTrackedTasks.remove(taskStatus); |
| } |
| } |
| |
| /** |
| * State-change notifications from the idleness tracker |
| */ |
| @Override |
| public void reportNewIdleState(boolean isIdle) { |
| synchronized (mLock) { |
| for (int i = mTrackedTasks.size()-1; i >= 0; i--) { |
| mTrackedTasks.valueAt(i).setIdleConstraintSatisfied(isIdle); |
| } |
| } |
| mStateChangedListener.onControllerStateChanged(); |
| } |
| |
| /** |
| * Idle state tracking, and messaging with the task manager when |
| * significant state changes occur |
| */ |
| private void initIdleStateTracking(Context ctx) { |
| final boolean isCar = mContext.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_AUTOMOTIVE); |
| if (isCar) { |
| mIdleTracker = new CarIdlenessTracker(); |
| } else { |
| mIdleTracker = new DeviceIdlenessTracker(); |
| } |
| mIdleTracker.startTracking(ctx, this); |
| } |
| |
| @Override |
| public void dumpControllerStateLocked(IndentingPrintWriter pw, |
| Predicate<JobStatus> predicate) { |
| pw.println("Currently idle: " + mIdleTracker.isIdle()); |
| pw.println("Idleness tracker:"); mIdleTracker.dump(pw); |
| pw.println(); |
| |
| for (int i = 0; i < mTrackedTasks.size(); i++) { |
| final JobStatus js = mTrackedTasks.valueAt(i); |
| if (!predicate.test(js)) { |
| continue; |
| } |
| pw.print("#"); |
| js.printUniqueId(pw); |
| pw.print(" from "); |
| UserHandle.formatUid(pw, js.getSourceUid()); |
| pw.println(); |
| } |
| } |
| |
| @Override |
| public void dumpControllerStateLocked(ProtoOutputStream proto, long fieldId, |
| Predicate<JobStatus> predicate) { |
| final long token = proto.start(fieldId); |
| final long mToken = proto.start(StateControllerProto.IDLE); |
| |
| proto.write(StateControllerProto.IdleController.IS_IDLE, mIdleTracker.isIdle()); |
| |
| for (int i = 0; i < mTrackedTasks.size(); i++) { |
| final JobStatus js = mTrackedTasks.valueAt(i); |
| if (!predicate.test(js)) { |
| continue; |
| } |
| final long jsToken = proto.start(StateControllerProto.IdleController.TRACKED_JOBS); |
| js.writeToShortProto(proto, StateControllerProto.IdleController.TrackedJob.INFO); |
| proto.write(StateControllerProto.IdleController.TrackedJob.SOURCE_UID, |
| js.getSourceUid()); |
| proto.end(jsToken); |
| } |
| |
| proto.end(mToken); |
| proto.end(token); |
| } |
| } |