1 /*
2  * Copyright (C) 2017 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.phone.testapps.embmsmw;
18 
19 import android.content.BroadcastReceiver;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.telephony.mbms.FileServiceInfo;
23 import android.util.Log;
24 
25 /**
26  * Class for triggering artificial events from the frontend app. These would normally not come
27  * from the frontend app in a real embms implementation.
28  */
29 public class SideChannelReceiver extends BroadcastReceiver {
30     public static final String ACTION_TRIGGER_CLEANUP =
31             "com.android.phone.testapps.embmsmw.TRIGGER_CLEANUP";
32     public static final String ACTION_REQUEST_SPURIOUS_TEMP_FILES =
33             "com.android.phone.testapps.embmsmw.REQUEST_SPURIOUS_TEMP_FILES";
34     public static final String ACTION_DELAY_DOWNLOAD =
35             "com.android.phone.testapps.embmsmw.DELAY_DOWNLOAD";
36 
37     public static final String EXTRA_SERVICE_INFO =
38             "com.android.phone.testapps.embmsmw.SERVICE_INFO";
39     public static final String EXTRA_DELAY_FACTOR =
40             "com.android.phone.testapps.embmsmw.DELAY_FACTOR";
41 
42     private static final String LOG_TAG = "EmbmsSampleMwSC";
43     @Override
onReceive(Context context, Intent intent)44     public void onReceive(Context context, Intent intent) {
45         EmbmsSampleDownloadService downloadService = EmbmsSampleDownloadService.getInstance();
46         if (downloadService == null) {
47             Log.w(LOG_TAG, "don't have instance of dl service");
48             return;
49         }
50         switch (intent.getAction()) {
51             case ACTION_TRIGGER_CLEANUP:
52                 downloadService.requestCleanup();
53                 break;
54             case ACTION_REQUEST_SPURIOUS_TEMP_FILES:
55                 FileServiceInfo serviceInfo = intent.getParcelableExtra(EXTRA_SERVICE_INFO);
56                 downloadService.requestExtraTempFiles(serviceInfo);
57                 break;
58             case ACTION_DELAY_DOWNLOAD:
59                 // Increase download latency by a certain factor
60                 downloadService.delayDownloads(intent.getIntExtra(EXTRA_DELAY_FACTOR, 1));
61                 break;
62         }
63     }
64 }
65