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/*
* Copyright (C) 2015 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.content;
import android.app.job.JobParameters;
import android.app.job.JobService;
import android.content.Intent;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.util.Log;
import android.util.Slog;
import android.util.SparseArray;
public class SyncJobService extends JobService {
private static final String TAG = "SyncManager";
public static final String EXTRA_MESSENGER = "messenger";
private Messenger mMessenger;
private SparseArray<JobParameters> jobParamsMap = new SparseArray<JobParameters>();
private final SyncLogger mLogger = SyncLogger.getInstance();
/**
* This service is started by the SyncManager which passes a messenger object to
* communicate back with it. It never stops while the device is running.
*/
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
mMessenger = intent.getParcelableExtra(EXTRA_MESSENGER);
Message m = Message.obtain();
m.what = SyncManager.SyncHandler.MESSAGE_JOBSERVICE_OBJECT;
m.obj = this;
sendMessage(m);
return START_NOT_STICKY;
}
private void sendMessage(Message message) {
if (mMessenger == null) {
Slog.e(TAG, "Messenger not initialized.");
return;
}
try {
mMessenger.send(message);
} catch (RemoteException e) {
Slog.e(TAG, e.toString());
}
}
@Override
public boolean onStartJob(JobParameters params) {
mLogger.purgeOldLogs();
boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE);
synchronized (jobParamsMap) {
jobParamsMap.put(params.getJobId(), params);
}
Message m = Message.obtain();
m.what = SyncManager.SyncHandler.MESSAGE_START_SYNC;
SyncOperation op = SyncOperation.maybeCreateFromJobExtras(params.getExtras());
mLogger.log("onStartJob() jobid=", params.getJobId(), " op=", op);
if (op == null) {
Slog.e(TAG, "Got invalid job " + params.getJobId());
return false;
}
if (isLoggable) {
Slog.v(TAG, "Got start job message " + op.target);
}
m.obj = op;
sendMessage(m);
return true;
}
@Override
public boolean onStopJob(JobParameters params) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "onStopJob called " + params.getJobId() + ", reason: "
+ params.getStopReason());
}
mLogger.log("onStopJob() ", mLogger.jobParametersToString(params));
synchronized (jobParamsMap) {
jobParamsMap.remove(params.getJobId());
}
Message m = Message.obtain();
m.what = SyncManager.SyncHandler.MESSAGE_STOP_SYNC;
m.obj = SyncOperation.maybeCreateFromJobExtras(params.getExtras());
if (m.obj == null) {
return false;
}
// Reschedule if this job was NOT explicitly canceled.
m.arg1 = params.getStopReason() != JobParameters.REASON_CANCELED ? 1 : 0;
// Apply backoff only if stop is called due to timeout.
m.arg2 = params.getStopReason() == JobParameters.REASON_TIMEOUT ? 1 : 0;
sendMessage(m);
return false;
}
public void callJobFinished(int jobId, boolean needsReschedule, String why) {
synchronized (jobParamsMap) {
JobParameters params = jobParamsMap.get(jobId);
mLogger.log("callJobFinished()",
" needsReschedule=", needsReschedule,
" ", mLogger.jobParametersToString(params),
" why=", why);
if (params != null) {
jobFinished(params, needsReschedule);
jobParamsMap.remove(jobId);
} else {
Slog.e(TAG, "Job params not found for " + String.valueOf(jobId));
}
}
}
}
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