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Commit 5eeb59cc authored by Christopher Tate's avatar Christopher Tate Committed by Christopher Tate
Browse files

Schedule full backups 

Initial policy:  at most daily; backups only run when the
device is idle + charging + on an unmetered network.

Bug 16485874

Change-Id: I5665d890a943bac765adcef14be79d7dba6ce078
parent 5c8ea084

core/res/AndroidManifest.xml

+5 −0
Original line number Diff line number Diff line
@@ -3023,6 +3023,11 @@ 
                 android:permission="android.permission.BIND_JOB_SERVICE" >

        </service>



        <service android:name="com.android.server.backup.FullBackupJob"

                 android:exported="true"

                 android:permission="android.permission.BIND_JOB_SERVICE" >

        </service>



        <service

            android:name="com.android.server.pm.BackgroundDexOptService"

            android:exported="true"

services/backup/java/com/android/server/backup/BackupManagerService.java

+456 −94

File changed.

Preview size limit exceeded, changes collapsed.

services/backup/java/com/android/server/backup/FullBackupJob.java

0 → 100644
+78 −0
Original line number Diff line number Diff line 
/*

 * 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.backup;



import android.app.job.JobInfo;

import android.app.job.JobParameters;

import android.app.job.JobScheduler;

import android.app.job.JobService;

import android.app.job.JobInfo.NetworkType;

import android.content.ComponentName;

import android.content.Context;

import android.util.Slog;



public class FullBackupJob extends JobService {

    private static final String TAG = "FullBackupJob";

    private static final boolean DEBUG = true;



    private static ComponentName sIdleService =

            new ComponentName("android", FullBackupJob.class.getName());



    private static final int JOB_ID = 0x5038;



    JobParameters mParams;



    public static void schedule(Context ctx, long minDelay) {

        JobScheduler js = (JobScheduler) ctx.getSystemService(Context.JOB_SCHEDULER_SERVICE);

        JobInfo.Builder builder = new JobInfo.Builder(JOB_ID, sIdleService)

                .setRequiresDeviceIdle(true)

                .setRequiredNetworkCapabilities(NetworkType.UNMETERED)

                .setRequiresCharging(true);

        if (minDelay > 0) {

            builder.setMinimumLatency(minDelay);

        }

        js.schedule(builder.build());

    }



    // callback from the Backup Manager Service: it's finished its work for this pass

    public void finishBackupPass() {

        if (mParams != null) {

            jobFinished(mParams, false);

            mParams = null;

        }

    }



    // ----- scheduled job interface -----



    @Override

    public boolean onStartJob(JobParameters params) {

        mParams = params;

        BackupManagerService service = BackupManagerService.getInstance();

        return service.beginFullBackup(this);

    }



    @Override

    public boolean onStopJob(JobParameters params) {

        if (mParams != null) {

            mParams = null;

            BackupManagerService service = BackupManagerService.getInstance();

            service.endFullBackup();

        }

        return false;

    }



}

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

+11 −1
Original line number Diff line number Diff line
@@ -184,6 +184,16 @@ public class IdleController extends StateController { 


    @Override

    public void dumpControllerState(PrintWriter pw) {



        synchronized (mTrackedTasks) {

            pw.print("Idle: ");

            pw.println(mIdleTracker.isIdle() ? "true" : "false");

            pw.println(mTrackedTasks.size());

            for (int i = 0; i < mTrackedTasks.size(); i++) {

                final JobStatus js = mTrackedTasks.get(i);

                pw.print("  ");

                pw.print(String.valueOf(js.hashCode()).substring(0, 3));

                pw.println("..");

            }

        }

    }

}