| /* |
| * 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; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import android.app.ActivityManager; |
| import android.app.ActivityManagerNative; |
| import android.app.AppGlobals; |
| import android.app.IUidObserver; |
| import android.app.job.JobInfo; |
| import android.app.job.JobParameters; |
| import android.app.job.JobScheduler; |
| import android.app.job.JobService; |
| import android.app.job.IJobScheduler; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ServiceInfo; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.PowerManager; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| |
| import android.util.SparseBooleanArray; |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.util.ArrayUtils; |
| import com.android.server.DeviceIdleController; |
| import com.android.server.LocalServices; |
| import com.android.server.job.JobStore.JobStatusFunctor; |
| import com.android.server.job.controllers.AppIdleController; |
| import com.android.server.job.controllers.BatteryController; |
| import com.android.server.job.controllers.ConnectivityController; |
| import com.android.server.job.controllers.ContentObserverController; |
| import com.android.server.job.controllers.IdleController; |
| import com.android.server.job.controllers.JobStatus; |
| import com.android.server.job.controllers.StateController; |
| import com.android.server.job.controllers.TimeController; |
| |
| import libcore.util.EmptyArray; |
| |
| /** |
| * Responsible for taking jobs representing work to be performed by a client app, and determining |
| * based on the criteria specified when that job should be run against the client application's |
| * endpoint. |
| * Implements logic for scheduling, and rescheduling jobs. The JobSchedulerService knows nothing |
| * about constraints, or the state of active jobs. It receives callbacks from the various |
| * controllers and completed jobs and operates accordingly. |
| * |
| * Note on locking: Any operations that manipulate {@link #mJobs} need to lock on that object. |
| * Any function with the suffix 'Locked' also needs to lock on {@link #mJobs}. |
| * @hide |
| */ |
| public final class JobSchedulerService extends com.android.server.SystemService |
| implements StateChangedListener, JobCompletedListener { |
| static final String TAG = "JobSchedulerService"; |
| public static final boolean DEBUG = false; |
| |
| /** The number of concurrent jobs we run at one time. */ |
| private static final int MAX_JOB_CONTEXTS_COUNT |
| = ActivityManager.isLowRamDeviceStatic() ? 3 : 6; |
| /** Enforce a per-app limit on scheduled jobs? */ |
| private static final boolean ENFORCE_MAX_JOBS = false; |
| /** The maximum number of jobs that we allow an unprivileged app to schedule */ |
| private static final int MAX_JOBS_PER_APP = 100; |
| |
| /** Global local for all job scheduler state. */ |
| final Object mLock = new Object(); |
| /** Master list of jobs. */ |
| final JobStore mJobs; |
| |
| static final int MSG_JOB_EXPIRED = 0; |
| static final int MSG_CHECK_JOB = 1; |
| static final int MSG_STOP_JOB = 2; |
| static final int MSG_CHECK_JOB_GREEDY = 3; |
| |
| // Policy constants |
| /** |
| * Minimum # of idle jobs that must be ready in order to force the JMS to schedule things |
| * early. |
| */ |
| static final int MIN_IDLE_COUNT = 1; |
| /** |
| * Minimum # of charging jobs that must be ready in order to force the JMS to schedule things |
| * early. |
| */ |
| static final int MIN_CHARGING_COUNT = 1; |
| /** |
| * Minimum # of connectivity jobs that must be ready in order to force the JMS to schedule |
| * things early. |
| */ |
| static final int MIN_CONNECTIVITY_COUNT = 1; // Run connectivity jobs as soon as ready. |
| /** |
| * Minimum # of content trigger jobs that must be ready in order to force the JMS to schedule |
| * things early. |
| */ |
| static final int MIN_CONTENT_COUNT = 1; |
| /** |
| * Minimum # of jobs (with no particular constraints) for which the JMS will be happy running |
| * some work early. |
| * This is correlated with the amount of batching we'll be able to do. |
| */ |
| static final int MIN_READY_JOBS_COUNT = 2; |
| |
| /** |
| * Track Services that have currently active or pending jobs. The index is provided by |
| * {@link JobStatus#getServiceToken()} |
| */ |
| final List<JobServiceContext> mActiveServices = new ArrayList<>(); |
| /** List of controllers that will notify this service of updates to jobs. */ |
| List<StateController> mControllers; |
| /** |
| * Queue of pending jobs. The JobServiceContext class will receive jobs from this list |
| * when ready to execute them. |
| */ |
| final ArrayList<JobStatus> mPendingJobs = new ArrayList<>(); |
| |
| int[] mStartedUsers = EmptyArray.INT; |
| |
| final JobHandler mHandler; |
| final JobSchedulerStub mJobSchedulerStub; |
| |
| IBatteryStats mBatteryStats; |
| PowerManager mPowerManager; |
| DeviceIdleController.LocalService mLocalDeviceIdleController; |
| |
| /** |
| * Set to true once we are allowed to run third party apps. |
| */ |
| boolean mReadyToRock; |
| |
| /** |
| * True when in device idle mode, so we don't want to schedule any jobs. |
| */ |
| boolean mDeviceIdleMode; |
| |
| /** |
| * What we last reported to DeviceIdleController about whether we are active. |
| */ |
| boolean mReportedActive; |
| |
| /** |
| * Which uids are currently in the foreground. |
| */ |
| final SparseBooleanArray mForegroundUids = new SparseBooleanArray(); |
| |
| /** |
| * Cleans up outstanding jobs when a package is removed. Even if it's being replaced later we |
| * still clean up. On reinstall the package will have a new uid. |
| */ |
| private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| Slog.d(TAG, "Receieved: " + intent.getAction()); |
| if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) { |
| // If this is an outright uninstall rather than the first half of an |
| // app update sequence, cancel the jobs associated with the app. |
| if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { |
| int uidRemoved = intent.getIntExtra(Intent.EXTRA_UID, -1); |
| if (DEBUG) { |
| Slog.d(TAG, "Removing jobs for uid: " + uidRemoved); |
| } |
| cancelJobsForUid(uidRemoved, true); |
| } |
| } else if (Intent.ACTION_USER_REMOVED.equals(intent.getAction())) { |
| final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0); |
| if (DEBUG) { |
| Slog.d(TAG, "Removing jobs for user: " + userId); |
| } |
| cancelJobsForUser(userId); |
| } else if (PowerManager.ACTION_LIGHT_DEVICE_IDLE_MODE_CHANGED.equals(intent.getAction()) |
| || PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED.equals(intent.getAction())) { |
| updateIdleMode(mPowerManager != null |
| ? (mPowerManager.isDeviceIdleMode() |
| || mPowerManager.isLightDeviceIdleMode()) |
| : false); |
| } |
| } |
| }; |
| |
| final private IUidObserver mUidObserver = new IUidObserver.Stub() { |
| @Override public void onUidStateChanged(int uid, int procState) throws RemoteException { |
| updateUidState(uid, procState); |
| } |
| |
| @Override public void onUidGone(int uid) throws RemoteException { |
| updateUidState(uid, ActivityManager.PROCESS_STATE_CACHED_EMPTY); |
| } |
| |
| @Override public void onUidActive(int uid) throws RemoteException { |
| } |
| |
| @Override public void onUidIdle(int uid) throws RemoteException { |
| cancelJobsForUid(uid, false); |
| } |
| }; |
| |
| public Object getLock() { |
| return mLock; |
| } |
| |
| @Override |
| public void onStartUser(int userHandle) { |
| mStartedUsers = ArrayUtils.appendInt(mStartedUsers, userHandle); |
| // Let's kick any outstanding jobs for this user. |
| mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget(); |
| } |
| |
| @Override |
| public void onUnlockUser(int userHandle) { |
| // Let's kick any outstanding jobs for this user. |
| mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget(); |
| } |
| |
| @Override |
| public void onStopUser(int userHandle) { |
| mStartedUsers = ArrayUtils.removeInt(mStartedUsers, userHandle); |
| } |
| |
| /** |
| * Entry point from client to schedule the provided job. |
| * This cancels the job if it's already been scheduled, and replaces it with the one provided. |
| * @param job JobInfo object containing execution parameters |
| * @param uId The package identifier of the application this job is for. |
| * @return Result of this operation. See <code>JobScheduler#RESULT_*</code> return codes. |
| */ |
| public int schedule(JobInfo job, int uId) { |
| return scheduleAsPackage(job, uId, null, -1, null); |
| } |
| |
| public int scheduleAsPackage(JobInfo job, int uId, String packageName, int userId, |
| String tag) { |
| JobStatus jobStatus = JobStatus.createFromJobInfo(job, uId, packageName, userId, tag); |
| try { |
| if (ActivityManagerNative.getDefault().getAppStartMode(uId, |
| job.getService().getPackageName()) == ActivityManager.APP_START_MODE_DISABLED) { |
| Slog.w(TAG, "Not scheduling job " + uId + ":" + job.toString() |
| + " -- package not allowed to start"); |
| return JobScheduler.RESULT_FAILURE; |
| } |
| } catch (RemoteException e) { |
| } |
| if (DEBUG) Slog.d(TAG, "SCHEDULE: " + jobStatus.toShortString()); |
| JobStatus toCancel; |
| synchronized (mLock) { |
| // Jobs on behalf of others don't apply to the per-app job cap |
| if (ENFORCE_MAX_JOBS && packageName == null) { |
| if (mJobs.countJobsForUid(uId) > MAX_JOBS_PER_APP) { |
| Slog.w(TAG, "Too many jobs for uid " + uId); |
| throw new IllegalStateException("Apps may not schedule more than " |
| + MAX_JOBS_PER_APP + " distinct jobs"); |
| } |
| } |
| |
| toCancel = mJobs.getJobByUidAndJobId(uId, job.getId()); |
| } |
| startTrackingJob(jobStatus, toCancel); |
| if (toCancel != null) { |
| cancelJobImpl(toCancel); |
| } |
| mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget(); |
| return JobScheduler.RESULT_SUCCESS; |
| } |
| |
| public List<JobInfo> getPendingJobs(int uid) { |
| synchronized (mLock) { |
| List<JobStatus> jobs = mJobs.getJobsByUid(uid); |
| ArrayList<JobInfo> outList = new ArrayList<JobInfo>(jobs.size()); |
| for (int i = jobs.size() - 1; i >= 0; i--) { |
| JobStatus job = jobs.get(i); |
| outList.add(job.getJob()); |
| } |
| return outList; |
| } |
| } |
| |
| void cancelJobsForUser(int userHandle) { |
| List<JobStatus> jobsForUser; |
| synchronized (mLock) { |
| jobsForUser = mJobs.getJobsByUser(userHandle); |
| } |
| for (int i=0; i<jobsForUser.size(); i++) { |
| JobStatus toRemove = jobsForUser.get(i); |
| cancelJobImpl(toRemove); |
| } |
| } |
| |
| /** |
| * Entry point from client to cancel all jobs originating from their uid. |
| * This will remove the job from the master list, and cancel the job if it was staged for |
| * execution or being executed. |
| * @param uid Uid to check against for removal of a job. |
| * @param forceAll If true, all jobs for the uid will be canceled; if false, only those |
| * whose apps are stopped. |
| */ |
| public void cancelJobsForUid(int uid, boolean forceAll) { |
| List<JobStatus> jobsForUid; |
| synchronized (mLock) { |
| jobsForUid = mJobs.getJobsByUid(uid); |
| } |
| for (int i=0; i<jobsForUid.size(); i++) { |
| JobStatus toRemove = jobsForUid.get(i); |
| if (!forceAll) { |
| String packageName = toRemove.getServiceComponent().getPackageName(); |
| try { |
| if (ActivityManagerNative.getDefault().getAppStartMode(uid, packageName) |
| != ActivityManager.APP_START_MODE_DISABLED) { |
| continue; |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| cancelJobImpl(toRemove); |
| } |
| } |
| |
| /** |
| * Entry point from client to cancel the job corresponding to the jobId provided. |
| * This will remove the job from the master list, and cancel the job if it was staged for |
| * execution or being executed. |
| * @param uid Uid of the calling client. |
| * @param jobId Id of the job, provided at schedule-time. |
| */ |
| public void cancelJob(int uid, int jobId) { |
| JobStatus toCancel; |
| synchronized (mLock) { |
| toCancel = mJobs.getJobByUidAndJobId(uid, jobId); |
| } |
| if (toCancel != null) { |
| cancelJobImpl(toCancel); |
| } |
| } |
| |
| private void cancelJobImpl(JobStatus cancelled) { |
| if (DEBUG) Slog.d(TAG, "CANCEL: " + cancelled.toShortString()); |
| stopTrackingJob(cancelled, true /* writeBack */); |
| synchronized (mLock) { |
| // Remove from pending queue. |
| mPendingJobs.remove(cancelled); |
| // Cancel if running. |
| stopJobOnServiceContextLocked(cancelled, JobParameters.REASON_CANCELED); |
| reportActive(); |
| } |
| } |
| |
| void updateUidState(int uid, int procState) { |
| synchronized (mLock) { |
| boolean foreground = procState <= ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE; |
| boolean changed = false; |
| if (foreground) { |
| if (!mForegroundUids.get(uid)) { |
| changed = true; |
| mForegroundUids.put(uid, true); |
| } |
| } else { |
| int index = mForegroundUids.indexOfKey(uid); |
| if (index >= 0) { |
| mForegroundUids.removeAt(index); |
| changed = true; |
| } |
| } |
| } |
| } |
| |
| void updateIdleMode(boolean enabled) { |
| boolean changed = false; |
| boolean rocking; |
| synchronized (mLock) { |
| if (mDeviceIdleMode != enabled) { |
| changed = true; |
| } |
| rocking = mReadyToRock; |
| } |
| if (changed) { |
| if (rocking) { |
| for (int i=0; i<mControllers.size(); i++) { |
| mControllers.get(i).deviceIdleModeChanged(enabled); |
| } |
| } |
| synchronized (mLock) { |
| mDeviceIdleMode = enabled; |
| if (enabled) { |
| // When becoming idle, make sure no jobs are actively running. |
| for (int i=0; i<mActiveServices.size(); i++) { |
| JobServiceContext jsc = mActiveServices.get(i); |
| final JobStatus executing = jsc.getRunningJob(); |
| if (executing != null) { |
| jsc.cancelExecutingJob(JobParameters.REASON_DEVICE_IDLE); |
| } |
| } |
| } else { |
| // When coming out of idle, allow thing to start back up. |
| if (rocking) { |
| if (mLocalDeviceIdleController != null) { |
| if (!mReportedActive) { |
| mReportedActive = true; |
| mLocalDeviceIdleController.setJobsActive(true); |
| } |
| } |
| } |
| mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget(); |
| } |
| } |
| } |
| } |
| |
| void reportActive() { |
| // active is true if pending queue contains jobs OR some job is running. |
| boolean active = mPendingJobs.size() > 0; |
| if (mPendingJobs.size() <= 0) { |
| for (int i=0; i<mActiveServices.size(); i++) { |
| JobServiceContext jsc = mActiveServices.get(i); |
| if (jsc.getRunningJob() != null) { |
| active = true; |
| break; |
| } |
| } |
| } |
| |
| if (mReportedActive != active) { |
| mReportedActive = active; |
| if (mLocalDeviceIdleController != null) { |
| mLocalDeviceIdleController.setJobsActive(active); |
| } |
| } |
| } |
| |
| /** |
| * Initializes the system service. |
| * <p> |
| * Subclasses must define a single argument constructor that accepts the context |
| * and passes it to super. |
| * </p> |
| * |
| * @param context The system server context. |
| */ |
| public JobSchedulerService(Context context) { |
| super(context); |
| // Create the controllers. |
| mControllers = new ArrayList<StateController>(); |
| mControllers.add(ConnectivityController.get(this)); |
| mControllers.add(TimeController.get(this)); |
| mControllers.add(IdleController.get(this)); |
| mControllers.add(BatteryController.get(this)); |
| mControllers.add(AppIdleController.get(this)); |
| mControllers.add(ContentObserverController.get(this)); |
| |
| mHandler = new JobHandler(context.getMainLooper()); |
| mJobSchedulerStub = new JobSchedulerStub(); |
| mJobs = JobStore.initAndGet(this); |
| } |
| |
| @Override |
| public void onStart() { |
| publishBinderService(Context.JOB_SCHEDULER_SERVICE, mJobSchedulerStub); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (PHASE_SYSTEM_SERVICES_READY == phase) { |
| // Register br for package removals and user removals. |
| final IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_REMOVED); |
| filter.addDataScheme("package"); |
| getContext().registerReceiverAsUser( |
| mBroadcastReceiver, UserHandle.ALL, filter, null, null); |
| final IntentFilter userFilter = new IntentFilter(Intent.ACTION_USER_REMOVED); |
| userFilter.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED); |
| userFilter.addAction(PowerManager.ACTION_LIGHT_DEVICE_IDLE_MODE_CHANGED); |
| getContext().registerReceiverAsUser( |
| mBroadcastReceiver, UserHandle.ALL, userFilter, null, null); |
| mPowerManager = (PowerManager)getContext().getSystemService(Context.POWER_SERVICE); |
| try { |
| ActivityManagerNative.getDefault().registerUidObserver(mUidObserver, |
| ActivityManager.UID_OBSERVER_PROCSTATE | ActivityManager.UID_OBSERVER_GONE |
| | ActivityManager.UID_OBSERVER_IDLE); |
| } catch (RemoteException e) { |
| // ignored; both services live in system_server |
| } |
| } else if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) { |
| synchronized (mLock) { |
| // Let's go! |
| mReadyToRock = true; |
| mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService( |
| BatteryStats.SERVICE_NAME)); |
| mLocalDeviceIdleController |
| = LocalServices.getService(DeviceIdleController.LocalService.class); |
| // Create the "runners". |
| for (int i = 0; i < MAX_JOB_CONTEXTS_COUNT; i++) { |
| mActiveServices.add( |
| new JobServiceContext(this, mBatteryStats, |
| getContext().getMainLooper())); |
| } |
| // Attach jobs to their controllers. |
| mJobs.forEachJob(new JobStatusFunctor() { |
| @Override |
| public void process(JobStatus job) { |
| for (int controller = 0; controller < mControllers.size(); controller++) { |
| final StateController sc = mControllers.get(controller); |
| sc.deviceIdleModeChanged(mDeviceIdleMode); |
| sc.maybeStartTrackingJobLocked(job, null); |
| } |
| } |
| }); |
| // GO GO GO! |
| mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget(); |
| } |
| } |
| } |
| |
| /** |
| * Called when we have a job status object that we need to insert in our |
| * {@link com.android.server.job.JobStore}, and make sure all the relevant controllers know |
| * about. |
| */ |
| private void startTrackingJob(JobStatus jobStatus, JobStatus lastJob) { |
| synchronized (mLock) { |
| final boolean update = mJobs.add(jobStatus); |
| if (mReadyToRock) { |
| for (int i = 0; i < mControllers.size(); i++) { |
| StateController controller = mControllers.get(i); |
| if (update) { |
| controller.maybeStopTrackingJobLocked(jobStatus, true); |
| } |
| controller.maybeStartTrackingJobLocked(jobStatus, lastJob); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Called when we want to remove a JobStatus object that we've finished executing. Returns the |
| * object removed. |
| */ |
| private boolean stopTrackingJob(JobStatus jobStatus, boolean writeBack) { |
| synchronized (mLock) { |
| // Remove from store as well as controllers. |
| final boolean removed = mJobs.remove(jobStatus, writeBack); |
| if (removed && mReadyToRock) { |
| for (int i=0; i<mControllers.size(); i++) { |
| StateController controller = mControllers.get(i); |
| controller.maybeStopTrackingJobLocked(jobStatus, false); |
| } |
| } |
| return removed; |
| } |
| } |
| |
| private boolean stopJobOnServiceContextLocked(JobStatus job, int reason) { |
| for (int i=0; i<mActiveServices.size(); i++) { |
| JobServiceContext jsc = mActiveServices.get(i); |
| final JobStatus executing = jsc.getRunningJob(); |
| if (executing != null && executing.matches(job.getUid(), job.getJobId())) { |
| jsc.cancelExecutingJob(reason); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * @param job JobStatus we are querying against. |
| * @return Whether or not the job represented by the status object is currently being run or |
| * is pending. |
| */ |
| private boolean isCurrentlyActiveLocked(JobStatus job) { |
| for (int i=0; i<mActiveServices.size(); i++) { |
| JobServiceContext serviceContext = mActiveServices.get(i); |
| final JobStatus running = serviceContext.getRunningJob(); |
| if (running != null && running.matches(job.getUid(), job.getJobId())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Reschedules the given job based on the job's backoff policy. It doesn't make sense to |
| * specify an override deadline on a failed job (the failed job will run even though it's not |
| * ready), so we reschedule it with {@link JobStatus#NO_LATEST_RUNTIME}, but specify that any |
| * ready job with {@link JobStatus#numFailures} > 0 will be executed. |
| * |
| * @param failureToReschedule Provided job status that we will reschedule. |
| * @return A newly instantiated JobStatus with the same constraints as the last job except |
| * with adjusted timing constraints. |
| * |
| * @see JobHandler#maybeQueueReadyJobsForExecutionLockedH |
| */ |
| private JobStatus getRescheduleJobForFailure(JobStatus failureToReschedule) { |
| final long elapsedNowMillis = SystemClock.elapsedRealtime(); |
| final JobInfo job = failureToReschedule.getJob(); |
| |
| final long initialBackoffMillis = job.getInitialBackoffMillis(); |
| final int backoffAttempts = failureToReschedule.getNumFailures() + 1; |
| long delayMillis; |
| |
| switch (job.getBackoffPolicy()) { |
| case JobInfo.BACKOFF_POLICY_LINEAR: |
| delayMillis = initialBackoffMillis * backoffAttempts; |
| break; |
| default: |
| if (DEBUG) { |
| Slog.v(TAG, "Unrecognised back-off policy, defaulting to exponential."); |
| } |
| case JobInfo.BACKOFF_POLICY_EXPONENTIAL: |
| delayMillis = |
| (long) Math.scalb(initialBackoffMillis, backoffAttempts - 1); |
| break; |
| } |
| delayMillis = |
| Math.min(delayMillis, JobInfo.MAX_BACKOFF_DELAY_MILLIS); |
| JobStatus newJob = new JobStatus(failureToReschedule, elapsedNowMillis + delayMillis, |
| JobStatus.NO_LATEST_RUNTIME, backoffAttempts); |
| for (int ic=0; ic<mControllers.size(); ic++) { |
| StateController controller = mControllers.get(ic); |
| controller.rescheduleForFailure(newJob, failureToReschedule); |
| } |
| return newJob; |
| } |
| |
| /** |
| * Called after a periodic has executed so we can reschedule it. We take the last execution |
| * time of the job to be the time of completion (i.e. the time at which this function is |
| * called). |
| * This could be inaccurate b/c the job can run for as long as |
| * {@link com.android.server.job.JobServiceContext#EXECUTING_TIMESLICE_MILLIS}, but will lead |
| * to underscheduling at least, rather than if we had taken the last execution time to be the |
| * start of the execution. |
| * @return A new job representing the execution criteria for this instantiation of the |
| * recurring job. |
| */ |
| private JobStatus getRescheduleJobForPeriodic(JobStatus periodicToReschedule) { |
| final long elapsedNow = SystemClock.elapsedRealtime(); |
| // Compute how much of the period is remaining. |
| long runEarly = 0L; |
| |
| // If this periodic was rescheduled it won't have a deadline. |
| if (periodicToReschedule.hasDeadlineConstraint()) { |
| runEarly = Math.max(periodicToReschedule.getLatestRunTimeElapsed() - elapsedNow, 0L); |
| } |
| long flex = periodicToReschedule.getJob().getFlexMillis(); |
| long period = periodicToReschedule.getJob().getIntervalMillis(); |
| long newLatestRuntimeElapsed = elapsedNow + runEarly + period; |
| long newEarliestRunTimeElapsed = newLatestRuntimeElapsed - flex; |
| |
| if (DEBUG) { |
| Slog.v(TAG, "Rescheduling executed periodic. New execution window [" + |
| newEarliestRunTimeElapsed/1000 + ", " + newLatestRuntimeElapsed/1000 + "]s"); |
| } |
| return new JobStatus(periodicToReschedule, newEarliestRunTimeElapsed, |
| newLatestRuntimeElapsed, 0 /* backoffAttempt */); |
| } |
| |
| // JobCompletedListener implementations. |
| |
| /** |
| * A job just finished executing. We fetch the |
| * {@link com.android.server.job.controllers.JobStatus} from the store and depending on |
| * whether we want to reschedule we readd it to the controllers. |
| * @param jobStatus Completed job. |
| * @param needsReschedule Whether the implementing class should reschedule this job. |
| */ |
| @Override |
| public void onJobCompleted(JobStatus jobStatus, boolean needsReschedule) { |
| if (DEBUG) { |
| Slog.d(TAG, "Completed " + jobStatus + ", reschedule=" + needsReschedule); |
| } |
| // Do not write back immediately if this is a periodic job. The job may get lost if system |
| // shuts down before it is added back. |
| if (!stopTrackingJob(jobStatus, !jobStatus.getJob().isPeriodic())) { |
| if (DEBUG) { |
| Slog.d(TAG, "Could not find job to remove. Was job removed while executing?"); |
| } |
| // We still want to check for jobs to execute, because this job may have |
| // scheduled a new job under the same job id, and now we can run it. |
| mHandler.obtainMessage(MSG_CHECK_JOB_GREEDY).sendToTarget(); |
| return; |
| } |
| // Note: there is a small window of time in here where, when rescheduling a job, |
| // we will stop monitoring its content providers. This should be fixed by stopping |
| // the old job after scheduling the new one, but since we have no lock held here |
| // that may cause ordering problems if the app removes jobStatus while in here. |
| if (needsReschedule) { |
| JobStatus rescheduled = getRescheduleJobForFailure(jobStatus); |
| startTrackingJob(rescheduled, jobStatus); |
| } else if (jobStatus.getJob().isPeriodic()) { |
| JobStatus rescheduledPeriodic = getRescheduleJobForPeriodic(jobStatus); |
| startTrackingJob(rescheduledPeriodic, jobStatus); |
| } |
| reportActive(); |
| mHandler.obtainMessage(MSG_CHECK_JOB_GREEDY).sendToTarget(); |
| } |
| |
| // StateChangedListener implementations. |
| |
| /** |
| * Posts a message to the {@link com.android.server.job.JobSchedulerService.JobHandler} that |
| * some controller's state has changed, so as to run through the list of jobs and start/stop |
| * any that are eligible. |
| */ |
| @Override |
| public void onControllerStateChanged() { |
| mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget(); |
| } |
| |
| @Override |
| public void onRunJobNow(JobStatus jobStatus) { |
| mHandler.obtainMessage(MSG_JOB_EXPIRED, jobStatus).sendToTarget(); |
| } |
| |
| private class JobHandler extends Handler { |
| |
| public JobHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message message) { |
| synchronized (mLock) { |
| if (!mReadyToRock) { |
| return; |
| } |
| } |
| switch (message.what) { |
| case MSG_JOB_EXPIRED: |
| synchronized (mLock) { |
| JobStatus runNow = (JobStatus) message.obj; |
| // runNow can be null, which is a controller's way of indicating that its |
| // state is such that all ready jobs should be run immediately. |
| if (runNow != null && !mPendingJobs.contains(runNow) |
| && mJobs.containsJob(runNow)) { |
| mPendingJobs.add(runNow); |
| } |
| queueReadyJobsForExecutionLockedH(); |
| } |
| break; |
| case MSG_CHECK_JOB: |
| synchronized (mLock) { |
| if (mReportedActive) { |
| // if jobs are currently being run, queue all ready jobs for execution. |
| queueReadyJobsForExecutionLockedH(); |
| } else { |
| // Check the list of jobs and run some of them if we feel inclined. |
| maybeQueueReadyJobsForExecutionLockedH(); |
| } |
| } |
| break; |
| case MSG_CHECK_JOB_GREEDY: |
| synchronized (mLock) { |
| queueReadyJobsForExecutionLockedH(); |
| } |
| break; |
| case MSG_STOP_JOB: |
| cancelJobImpl((JobStatus)message.obj); |
| break; |
| } |
| maybeRunPendingJobsH(); |
| // Don't remove JOB_EXPIRED in case one came along while processing the queue. |
| removeMessages(MSG_CHECK_JOB); |
| } |
| |
| /** |
| * Run through list of jobs and execute all possible - at least one is expired so we do |
| * as many as we can. |
| */ |
| private void queueReadyJobsForExecutionLockedH() { |
| if (DEBUG) { |
| Slog.d(TAG, "queuing all ready jobs for execution:"); |
| } |
| mPendingJobs.clear(); |
| mJobs.forEachJob(mReadyQueueFunctor); |
| mReadyQueueFunctor.postProcess(); |
| |
| if (DEBUG) { |
| final int queuedJobs = mPendingJobs.size(); |
| if (queuedJobs == 0) { |
| Slog.d(TAG, "No jobs pending."); |
| } else { |
| Slog.d(TAG, queuedJobs + " jobs queued."); |
| } |
| } |
| } |
| |
| class ReadyJobQueueFunctor implements JobStatusFunctor { |
| ArrayList<JobStatus> newReadyJobs; |
| |
| @Override |
| public void process(JobStatus job) { |
| if (isReadyToBeExecutedLocked(job)) { |
| if (DEBUG) { |
| Slog.d(TAG, " queued " + job.toShortString()); |
| } |
| if (newReadyJobs == null) { |
| newReadyJobs = new ArrayList<JobStatus>(); |
| } |
| newReadyJobs.add(job); |
| } else if (areJobConstraintsNotSatisfiedLocked(job)) { |
| stopJobOnServiceContextLocked(job, |
| JobParameters.REASON_CONSTRAINTS_NOT_SATISFIED); |
| } |
| } |
| |
| public void postProcess() { |
| if (newReadyJobs != null) { |
| mPendingJobs.addAll(newReadyJobs); |
| } |
| newReadyJobs = null; |
| } |
| } |
| private final ReadyJobQueueFunctor mReadyQueueFunctor = new ReadyJobQueueFunctor(); |
| |
| /** |
| * The state of at least one job has changed. Here is where we could enforce various |
| * policies on when we want to execute jobs. |
| * Right now the policy is such: |
| * If >1 of the ready jobs is idle mode we send all of them off |
| * if more than 2 network connectivity jobs are ready we send them all off. |
| * If more than 4 jobs total are ready we send them all off. |
| * TODO: It would be nice to consolidate these sort of high-level policies somewhere. |
| */ |
| class MaybeReadyJobQueueFunctor implements JobStatusFunctor { |
| int chargingCount; |
| int idleCount; |
| int backoffCount; |
| int connectivityCount; |
| int contentCount; |
| List<JobStatus> runnableJobs; |
| |
| public MaybeReadyJobQueueFunctor() { |
| reset(); |
| } |
| |
| // Functor method invoked for each job via JobStore.forEachJob() |
| @Override |
| public void process(JobStatus job) { |
| if (isReadyToBeExecutedLocked(job)) { |
| try { |
| if (ActivityManagerNative.getDefault().getAppStartMode(job.getUid(), |
| job.getJob().getService().getPackageName()) |
| == ActivityManager.APP_START_MODE_DISABLED) { |
| Slog.w(TAG, "Aborting job " + job.getUid() + ":" |
| + job.getJob().toString() + " -- package not allowed to start"); |
| mHandler.obtainMessage(MSG_STOP_JOB, job).sendToTarget(); |
| return; |
| } |
| } catch (RemoteException e) { |
| } |
| if (job.getNumFailures() > 0) { |
| backoffCount++; |
| } |
| if (job.hasIdleConstraint()) { |
| idleCount++; |
| } |
| if (job.hasConnectivityConstraint() || job.hasUnmeteredConstraint()) { |
| connectivityCount++; |
| } |
| if (job.hasChargingConstraint()) { |
| chargingCount++; |
| } |
| if (job.hasContentTriggerConstraint()) { |
| contentCount++; |
| } |
| if (runnableJobs == null) { |
| runnableJobs = new ArrayList<>(); |
| } |
| runnableJobs.add(job); |
| } else if (areJobConstraintsNotSatisfiedLocked(job)) { |
| stopJobOnServiceContextLocked(job, |
| JobParameters.REASON_CONSTRAINTS_NOT_SATISFIED); |
| } |
| } |
| |
| public void postProcess() { |
| if (backoffCount > 0 || |
| idleCount >= MIN_IDLE_COUNT || |
| connectivityCount >= MIN_CONNECTIVITY_COUNT || |
| chargingCount >= MIN_CHARGING_COUNT || |
| contentCount >= MIN_CONTENT_COUNT || |
| (runnableJobs != null && runnableJobs.size() >= MIN_READY_JOBS_COUNT)) { |
| if (DEBUG) { |
| Slog.d(TAG, "maybeQueueReadyJobsForExecutionLockedH: Running jobs."); |
| } |
| mPendingJobs.addAll(runnableJobs); |
| } else { |
| if (DEBUG) { |
| Slog.d(TAG, "maybeQueueReadyJobsForExecutionLockedH: Not running anything."); |
| } |
| } |
| |
| // Be ready for next time |
| reset(); |
| } |
| |
| private void reset() { |
| chargingCount = 0; |
| idleCount = 0; |
| backoffCount = 0; |
| connectivityCount = 0; |
| contentCount = 0; |
| runnableJobs = null; |
| } |
| } |
| private final MaybeReadyJobQueueFunctor mMaybeQueueFunctor = new MaybeReadyJobQueueFunctor(); |
| |
| private void maybeQueueReadyJobsForExecutionLockedH() { |
| if (DEBUG) Slog.d(TAG, "Maybe queuing ready jobs..."); |
| |
| mPendingJobs.clear(); |
| mJobs.forEachJob(mMaybeQueueFunctor); |
| mMaybeQueueFunctor.postProcess(); |
| } |
| |
| /** |
| * Criteria for moving a job into the pending queue: |
| * - It's ready. |
| * - It's not pending. |
| * - It's not already running on a JSC. |
| * - The user that requested the job is running. |
| * - The component is enabled and runnable. |
| */ |
| private boolean isReadyToBeExecutedLocked(JobStatus job) { |
| final boolean jobReady = job.isReady(); |
| final boolean jobPending = mPendingJobs.contains(job); |
| final boolean jobActive = isCurrentlyActiveLocked(job); |
| |
| final int userId = job.getUserId(); |
| final boolean userStarted = ArrayUtils.contains(mStartedUsers, userId); |
| final boolean componentPresent; |
| try { |
| componentPresent = (AppGlobals.getPackageManager().getServiceInfo( |
| job.getServiceComponent(), PackageManager.MATCH_DEBUG_TRIAGED_MISSING, |
| userId) != null); |
| } catch (RemoteException e) { |
| throw e.rethrowAsRuntimeException(); |
| } |
| |
| if (DEBUG) { |
| Slog.v(TAG, "isReadyToBeExecutedLocked: " + job.toShortString() |
| + " ready=" + jobReady + " pending=" + jobPending |
| + " active=" + jobActive + " userStarted=" + userStarted |
| + " componentPresent=" + componentPresent); |
| } |
| return userStarted && componentPresent && jobReady && !jobPending && !jobActive; |
| } |
| |
| /** |
| * Criteria for cancelling an active job: |
| * - It's not ready |
| * - It's running on a JSC. |
| */ |
| private boolean areJobConstraintsNotSatisfiedLocked(JobStatus job) { |
| return !job.isReady() && isCurrentlyActiveLocked(job); |
| } |
| |
| /** |
| * Reconcile jobs in the pending queue against available execution contexts. |
| * A controller can force a job into the pending queue even if it's already running, but |
| * here is where we decide whether to actually execute it. |
| */ |
| private void maybeRunPendingJobsH() { |
| synchronized (mLock) { |
| if (mDeviceIdleMode) { |
| // If device is idle, we will not schedule jobs to run. |
| return; |
| } |
| if (DEBUG) { |
| Slog.d(TAG, "pending queue: " + mPendingJobs.size() + " jobs."); |
| } |
| assignJobsToContextsLocked(); |
| reportActive(); |
| } |
| } |
| } |
| |
| private int evaluateJobPriorityLocked(JobStatus job) { |
| int priority = job.getPriority(); |
| if (priority >= JobInfo.PRIORITY_FOREGROUND_APP) { |
| return priority; |
| } |
| if (mForegroundUids.get(job.getSourceUid())) { |
| return JobInfo.PRIORITY_FOREGROUND_APP; |
| } |
| return priority; |
| } |
| |
| /** |
| * Takes jobs from pending queue and runs them on available contexts. |
| * If no contexts are available, preempts lower priority jobs to |
| * run higher priority ones. |
| * Lock on mJobs before calling this function. |
| */ |
| private void assignJobsToContextsLocked() { |
| if (DEBUG) { |
| Slog.d(TAG, printPendingQueue()); |
| } |
| |
| // This array essentially stores the state of mActiveServices array. |
| // ith index stores the job present on the ith JobServiceContext. |
| // We manipulate this array until we arrive at what jobs should be running on |
| // what JobServiceContext. |
| JobStatus[] contextIdToJobMap = new JobStatus[MAX_JOB_CONTEXTS_COUNT]; |
| // Indicates whether we need to act on this jobContext id |
| boolean[] act = new boolean[MAX_JOB_CONTEXTS_COUNT]; |
| int[] preferredUidForContext = new int[MAX_JOB_CONTEXTS_COUNT]; |
| for (int i=0; i<mActiveServices.size(); i++) { |
| contextIdToJobMap[i] = mActiveServices.get(i).getRunningJob(); |
| preferredUidForContext[i] = mActiveServices.get(i).getPreferredUid(); |
| } |
| if (DEBUG) { |
| Slog.d(TAG, printContextIdToJobMap(contextIdToJobMap, "running jobs initial")); |
| } |
| Iterator<JobStatus> it = mPendingJobs.iterator(); |
| while (it.hasNext()) { |
| JobStatus nextPending = it.next(); |
| |
| // If job is already running, go to next job. |
| int jobRunningContext = findJobContextIdFromMap(nextPending, contextIdToJobMap); |
| if (jobRunningContext != -1) { |
| continue; |
| } |
| |
| nextPending.lastEvaluatedPriority = evaluateJobPriorityLocked(nextPending); |
| |
| // Find a context for nextPending. The context should be available OR |
| // it should have lowest priority among all running jobs |
| // (sharing the same Uid as nextPending) |
| int minPriority = Integer.MAX_VALUE; |
| int minPriorityContextId = -1; |
| for (int i=0; i<mActiveServices.size(); i++) { |
| JobStatus job = contextIdToJobMap[i]; |
| int preferredUid = preferredUidForContext[i]; |
| if (job == null && (preferredUid == nextPending.getUid() || |
| preferredUid == JobServiceContext.NO_PREFERRED_UID) ) { |
| minPriorityContextId = i; |
| break; |
| } |
| if (job == null) { |
| // No job on this context, but nextPending can't run here because |
| // the context has a preferred Uid. |
| continue; |
| } |
| if (job.getUid() != nextPending.getUid()) { |
| continue; |
| } |
| if (evaluateJobPriorityLocked(job) >= nextPending.lastEvaluatedPriority) { |
| continue; |
| } |
| if (minPriority > nextPending.lastEvaluatedPriority) { |
| minPriority = nextPending.lastEvaluatedPriority; |
| minPriorityContextId = i; |
| } |
| } |
| if (minPriorityContextId != -1) { |
| contextIdToJobMap[minPriorityContextId] = nextPending; |
| act[minPriorityContextId] = true; |
| } |
| } |
| if (DEBUG) { |
| Slog.d(TAG, printContextIdToJobMap(contextIdToJobMap, "running jobs final")); |
| } |
| for (int i=0; i<mActiveServices.size(); i++) { |
| boolean preservePreferredUid = false; |
| if (act[i]) { |
| JobStatus js = mActiveServices.get(i).getRunningJob(); |
| if (js != null) { |
| if (DEBUG) { |
| Slog.d(TAG, "preempting job: " + mActiveServices.get(i).getRunningJob()); |
| } |
| // preferredUid will be set to uid of currently running job. |
| mActiveServices.get(i).preemptExecutingJob(); |
| preservePreferredUid = true; |
| } else { |
| final JobStatus pendingJob = contextIdToJobMap[i]; |
| if (DEBUG) { |
| Slog.d(TAG, "About to run job on context " |
| + String.valueOf(i) + ", job: " + pendingJob); |
| } |
| for (int ic=0; ic<mControllers.size(); ic++) { |
| mControllers.get(ic).prepareForExecutionLocked(pendingJob); |
| } |
| if (!mActiveServices.get(i).executeRunnableJob(pendingJob)) { |
| Slog.d(TAG, "Error executing " + pendingJob); |
| } |
| mPendingJobs.remove(pendingJob); |
| } |
| } |
| if (!preservePreferredUid) { |
| mActiveServices.get(i).clearPreferredUid(); |
| } |
| } |
| } |
| |
| int findJobContextIdFromMap(JobStatus jobStatus, JobStatus[] map) { |
| for (int i=0; i<map.length; i++) { |
| if (map[i] != null && map[i].matches(jobStatus.getUid(), jobStatus.getJobId())) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Binder stub trampoline implementation |
| */ |
| final class JobSchedulerStub extends IJobScheduler.Stub { |
| /** Cache determination of whether a given app can persist jobs |
| * key is uid of the calling app; value is undetermined/true/false |
| */ |
| private final SparseArray<Boolean> mPersistCache = new SparseArray<Boolean>(); |
| |
| // Enforce that only the app itself (or shared uid participant) can schedule a |
| // job that runs one of the app's services, as well as verifying that the |
| // named service properly requires the BIND_JOB_SERVICE permission |
| private void enforceValidJobRequest(int uid, JobInfo job) { |
| final IPackageManager pm = AppGlobals.getPackageManager(); |
| final ComponentName service = job.getService(); |
| try { |
| ServiceInfo si = pm.getServiceInfo(service, |
| PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE, |
| UserHandle.getUserId(uid)); |
| if (si == null) { |
| throw new IllegalArgumentException("No such service " + service); |
| } |
| if (si.applicationInfo.uid != uid) { |
| throw new IllegalArgumentException("uid " + uid + |
| " cannot schedule job in " + service.getPackageName()); |
| } |
| if (!JobService.PERMISSION_BIND.equals(si.permission)) { |
| throw new IllegalArgumentException("Scheduled service " + service |
| + " does not require android.permission.BIND_JOB_SERVICE permission"); |
| } |
| } catch (RemoteException e) { |
| // Can't happen; the Package Manager is in this same process |
| } |
| } |
| |
| private boolean canPersistJobs(int pid, int uid) { |
| // If we get this far we're good to go; all we need to do now is check |
| // whether the app is allowed to persist its scheduled work. |
| final boolean canPersist; |
| synchronized (mPersistCache) { |
| Boolean cached = mPersistCache.get(uid); |
| if (cached != null) { |
| canPersist = cached.booleanValue(); |
| } else { |
| // Persisting jobs is tantamount to running at boot, so we permit |
| // it when the app has declared that it uses the RECEIVE_BOOT_COMPLETED |
| // permission |
| int result = getContext().checkPermission( |
| android.Manifest.permission.RECEIVE_BOOT_COMPLETED, pid, uid); |
| canPersist = (result == PackageManager.PERMISSION_GRANTED); |
| mPersistCache.put(uid, canPersist); |
| } |
| } |
| return canPersist; |
| } |
| |
| // IJobScheduler implementation |
| @Override |
| public int schedule(JobInfo job) throws RemoteException { |
| if (DEBUG) { |
| Slog.d(TAG, "Scheduling job: " + job.toString()); |
| } |
| final int pid = Binder.getCallingPid(); |
| final int uid = Binder.getCallingUid(); |
| |
| enforceValidJobRequest(uid, job); |
| if (job.isPersisted()) { |
| if (!canPersistJobs(pid, uid)) { |
| throw new IllegalArgumentException("Error: requested job be persisted without" |
| + " holding RECEIVE_BOOT_COMPLETED permission."); |
| } |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return JobSchedulerService.this.schedule(job, uid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public int scheduleAsPackage(JobInfo job, String packageName, int userId, String tag) |
| throws RemoteException { |
| final int callerUid = Binder.getCallingUid(); |
| if (DEBUG) { |
| Slog.d(TAG, "Caller uid " + callerUid + " scheduling job: " + job.toString() |
| + " on behalf of " + packageName); |
| } |
| |
| if (packageName == null) { |
| throw new NullPointerException("Must specify a package for scheduleAsPackage()"); |
| } |
| |
| int mayScheduleForOthers = getContext().checkCallingOrSelfPermission( |
| android.Manifest.permission.UPDATE_DEVICE_STATS); |
| if (mayScheduleForOthers != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Caller uid " + callerUid |
| + " not permitted to schedule jobs for other apps"); |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return JobSchedulerService.this.scheduleAsPackage(job, callerUid, |
| packageName, userId, tag); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public List<JobInfo> getAllPendingJobs() throws RemoteException { |
| final int uid = Binder.getCallingUid(); |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return JobSchedulerService.this.getPendingJobs(uid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public void cancelAll() throws RemoteException { |
| final int uid = Binder.getCallingUid(); |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| JobSchedulerService.this.cancelJobsForUid(uid, true); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public void cancel(int jobId) throws RemoteException { |
| final int uid = Binder.getCallingUid(); |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| JobSchedulerService.this.cancelJob(uid, jobId); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * "dumpsys" infrastructure |
| */ |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG); |
| |
| long identityToken = Binder.clearCallingIdentity(); |
| try { |
| JobSchedulerService.this.dumpInternal(pw); |
| } finally { |
| Binder.restoreCallingIdentity(identityToken); |
| } |
| } |
| }; |
| |
| private String printContextIdToJobMap(JobStatus[] map, String initial) { |
| StringBuilder s = new StringBuilder(initial + ": "); |
| for (int i=0; i<map.length; i++) { |
| s.append("(") |
| .append(map[i] == null? -1: map[i].getJobId()) |
| .append(map[i] == null? -1: map[i].getUid()) |
| .append(")" ); |
| } |
| return s.toString(); |
| } |
| |
| private String printPendingQueue() { |
| StringBuilder s = new StringBuilder("Pending queue: "); |
| Iterator<JobStatus> it = mPendingJobs.iterator(); |
| while (it.hasNext()) { |
| JobStatus js = it.next(); |
| s.append("(") |
| .append(js.getJob().getId()) |
| .append(", ") |
| .append(js.getUid()) |
| .append(") "); |
| } |
| return s.toString(); |
| } |
| |
| void dumpInternal(final PrintWriter pw) { |
| final long now = SystemClock.elapsedRealtime(); |
| synchronized (mLock) { |
| pw.println("Started users: " + Arrays.toString(mStartedUsers)); |
| pw.println("Registered jobs:"); |
| if (mJobs.size() > 0) { |
| mJobs.forEachJob(new JobStatusFunctor() { |
| private int index = 0; |
| |
| @Override |
| public void process(JobStatus job) { |
| pw.print(" Job #"); pw.print(index++); pw.print(": "); |
| pw.println(job.toShortString()); |
| job.dump(pw, " "); |
| pw.print(" Ready: "); |
| pw.print(mHandler.isReadyToBeExecutedLocked(job)); |
| pw.print(" (job="); |
| pw.print(job.isReady()); |
| pw.print(" pending="); |
| pw.print(mPendingJobs.contains(job)); |
| pw.print(" active="); |
| pw.print(isCurrentlyActiveLocked(job)); |
| pw.print(" user="); |
| pw.print(ArrayUtils.contains(mStartedUsers, job.getUserId())); |
| pw.println(")"); |
| } |
| }); |
| } else { |
| pw.println(" None."); |
| } |
| for (int i=0; i<mControllers.size(); i++) { |
| pw.println(); |
| mControllers.get(i).dumpControllerStateLocked(pw); |
| } |
| pw.println(); |
| pw.println("Foreground uids:"); |
| for (int i=0; i<mForegroundUids.size(); i++) { |
| pw.print(" "); pw.println(UserHandle.formatUid(mForegroundUids.keyAt(i))); |
| } |
| pw.println(); |
| pw.println("Pending queue:"); |
| for (int i=0; i<mPendingJobs.size(); i++) { |
| JobStatus job = mPendingJobs.get(i); |
| pw.print(" Pending #"); pw.print(i); pw.print(": "); |
| pw.println(job.toShortString()); |
| int priority = evaluateJobPriorityLocked(job); |
| if (priority != JobInfo.PRIORITY_DEFAULT) { |
| pw.print(" Evaluated priority: "); pw.println(priority); |
| } |
| pw.print(" Tag: "); pw.println(job.getTag()); |
| } |
| pw.println(); |
| pw.println("Active jobs:"); |
| for (int i=0; i<mActiveServices.size(); i++) { |
| JobServiceContext jsc = mActiveServices.get(i); |
| if (jsc.getRunningJob() == null) { |
| continue; |
| } else { |
| final long timeout = jsc.getTimeoutElapsed(); |
| pw.print("Running for: "); |
| pw.print((now - jsc.getExecutionStartTimeElapsed())/1000); |
| pw.print("s timeout="); |
| pw.print(timeout); |
| pw.print(" fromnow="); |
| pw.println(timeout-now); |
| jsc.getRunningJob().dump(pw, " "); |
| int priority = evaluateJobPriorityLocked(jsc.getRunningJob()); |
| if (priority != JobInfo.PRIORITY_DEFAULT) { |
| pw.print(" Evaluated priority: "); pw.println(priority); |
| } |
| } |
| } |
| pw.println(); |
| pw.print("mReadyToRock="); pw.println(mReadyToRock); |
| pw.print("mDeviceIdleMode="); pw.println(mDeviceIdleMode); |
| pw.print("mReportedActive="); pw.println(mReportedActive); |
| } |
| pw.println(); |
| } |
| } |