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1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.adservices.service.measurement.registration;
18 
19 import static com.android.adservices.service.stats.AdServicesStatsLog.AD_SERVICES_BACKGROUND_JOBS_EXECUTION_REPORTED__EXECUTION_RESULT_CODE__SKIP_FOR_EXTSERVICES_JOB_ON_TPLUS;
20 import static com.android.adservices.service.stats.AdServicesStatsLog.AD_SERVICES_BACKGROUND_JOBS_EXECUTION_REPORTED__EXECUTION_RESULT_CODE__SKIP_FOR_KILL_SWITCH_ON;
21 import static com.android.adservices.spe.AdservicesJobInfo.MEASUREMENT_ASYNC_REGISTRATION_JOB;
22 
23 import android.app.job.JobInfo;
24 import android.app.job.JobParameters;
25 import android.app.job.JobScheduler;
26 import android.app.job.JobService;
27 import android.content.ComponentName;
28 import android.content.Context;
29 
30 import com.android.adservices.LogUtil;
31 import com.android.adservices.concurrency.AdServicesExecutors;
32 import com.android.adservices.service.FlagsFactory;
33 import com.android.adservices.service.common.compat.ServiceCompatUtils;
34 import com.android.adservices.service.measurement.SystemHealthParams;
35 import com.android.adservices.spe.AdservicesJobServiceLogger;
36 import com.android.internal.annotations.VisibleForTesting;
37 
38 import java.time.Clock;
39 import java.time.Instant;
40 
41 /** Job Service for servicing queued registration requests */
42 public class AsyncRegistrationQueueJobService extends JobService {
43     private static final int MEASUREMENT_ASYNC_REGISTRATION_JOB_ID =
44             MEASUREMENT_ASYNC_REGISTRATION_JOB.getJobId();
45 
46     @Override
onStartJob(JobParameters params)47     public boolean onStartJob(JobParameters params) {
48         // Always ensure that the first thing this job does is check if it should be running, and
49         // cancel itself if it's not supposed to be.
50         if (ServiceCompatUtils.shouldDisableExtServicesJobOnTPlus(this)) {
51             LogUtil.d(
52                     "Disabling AsyncRegistrationQueueJobService job because it's running in"
53                             + " ExtServices on T+");
54             return skipAndCancelBackgroundJob(
55                     params,
56                     AD_SERVICES_BACKGROUND_JOBS_EXECUTION_REPORTED__EXECUTION_RESULT_CODE__SKIP_FOR_EXTSERVICES_JOB_ON_TPLUS);
57         }
58 
59         AdservicesJobServiceLogger.getInstance(this)
60                 .recordOnStartJob(MEASUREMENT_ASYNC_REGISTRATION_JOB_ID);
61 
62         if (FlagsFactory.getFlags().getAsyncRegistrationJobQueueKillSwitch()) {
63             LogUtil.e("AsyncRegistrationQueueJobService is disabled");
64             return skipAndCancelBackgroundJob(
65                     params,
66                     AD_SERVICES_BACKGROUND_JOBS_EXECUTION_REPORTED__EXECUTION_RESULT_CODE__SKIP_FOR_KILL_SWITCH_ON);
67         }
68 
69         Instant jobStartTime = Clock.systemUTC().instant();
70         LogUtil.d(
71                 "AsyncRegistrationQueueJobService.onStartJob " + "at %s", jobStartTime.toString());
72         AsyncRegistrationQueueRunner asyncQueueRunner =
73                 AsyncRegistrationQueueRunner.getInstance(getApplicationContext());
74 
75         AdServicesExecutors.getBackgroundExecutor()
76                 .execute(
77                         () -> {
78                             asyncQueueRunner.runAsyncRegistrationQueueWorker();
79 
80                             boolean shouldRetry = false;
81                             AdservicesJobServiceLogger.getInstance(
82                                             AsyncRegistrationQueueJobService.this)
83                                     .recordJobFinished(
84                                             MEASUREMENT_ASYNC_REGISTRATION_JOB_ID,
85                                             /* isSuccessful */ true,
86                                             shouldRetry);
87 
88                             jobFinished(params, shouldRetry);
89                             // jobFinished is asynchronous, so forcing scheduling avoiding
90                             // concurrency issue
91                             scheduleIfNeeded(this, /* forceSchedule */ true);
92                         });
93         return true;
94     }
95 
96     @Override
onStopJob(JobParameters params)97     public boolean onStopJob(JobParameters params) {
98         LogUtil.d("AsyncRegistrationQueueJobService.onStopJob");
99         boolean shouldRetry = false;
100 
101         AdservicesJobServiceLogger.getInstance(this)
102                 .recordOnStopJob(params, MEASUREMENT_ASYNC_REGISTRATION_JOB_ID, shouldRetry);
103         return shouldRetry;
104     }
105 
106     @VisibleForTesting
schedule(Context context, JobScheduler jobScheduler)107     protected static void schedule(Context context, JobScheduler jobScheduler) {
108         final JobInfo job =
109                 new JobInfo.Builder(
110                                 MEASUREMENT_ASYNC_REGISTRATION_JOB_ID,
111                                 new ComponentName(context, AsyncRegistrationQueueJobService.class))
112                         .addTriggerContentUri(
113                                 new JobInfo.TriggerContentUri(
114                                         AsyncRegistrationContentProvider.TRIGGER_URI,
115                                         JobInfo.TriggerContentUri.FLAG_NOTIFY_FOR_DESCENDANTS))
116                         .setTriggerContentUpdateDelay(
117                                 SystemHealthParams.ASYNC_REGISTRATION_JOB_TRIGGERING_DELAY_MS)
118                         .setTriggerContentMaxDelay(
119                                 SystemHealthParams.ASYNC_REGISTRATION_JOB_TRIGGERING_MAX_DELAY_MS)
120                         .setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY)
121                         .setPersisted(false) // Can't call addTriggerContentUri() on a persisted job
122                         .build();
123         jobScheduler.schedule(job);
124     }
125     /**
126      * Schedule Async Registration Queue Job Service if it is not already scheduled
127      *
128      * @param context the context
129      * @param forceSchedule flag to indicate whether to force rescheduling the job.
130      */
scheduleIfNeeded(Context context, boolean forceSchedule)131     public static void scheduleIfNeeded(Context context, boolean forceSchedule) {
132         if (FlagsFactory.getFlags().getAsyncRegistrationJobQueueKillSwitch()) {
133             LogUtil.e("AsyncRegistrationQueueJobService is disabled, skip scheduling");
134             return;
135         }
136 
137         final JobScheduler jobScheduler = context.getSystemService(JobScheduler.class);
138         if (jobScheduler == null) {
139             LogUtil.e("JobScheduler not found");
140             return;
141         }
142 
143         final JobInfo job = jobScheduler.getPendingJob(MEASUREMENT_ASYNC_REGISTRATION_JOB_ID);
144         // Schedule if it hasn't been scheduled already or force rescheduling
145         if (job == null || forceSchedule) {
146             schedule(context, jobScheduler);
147             LogUtil.d("Scheduled AsyncRegistrationQueueJobService");
148         } else {
149             LogUtil.d("AsyncRegistrationQueueJobService already scheduled, skipping reschedule");
150         }
151     }
152 
skipAndCancelBackgroundJob(final JobParameters params, int skipReason)153     private boolean skipAndCancelBackgroundJob(final JobParameters params, int skipReason) {
154         final JobScheduler jobScheduler = this.getSystemService(JobScheduler.class);
155         if (jobScheduler != null) {
156             jobScheduler.cancel(MEASUREMENT_ASYNC_REGISTRATION_JOB_ID);
157         }
158 
159         AdservicesJobServiceLogger.getInstance(this)
160                 .recordJobSkipped(MEASUREMENT_ASYNC_REGISTRATION_JOB_ID, skipReason);
161 
162         // Tell the JobScheduler that the job is done and does not need to be rescheduled
163         jobFinished(params, false);
164 
165         // Returning false to reschedule this job.
166         return false;
167     }
168 }
169