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.internal.telephony.metrics;
18 
19 import static com.android.internal.telephony.TelephonyStatsLog.CELLULAR_RADIO_POWER_STATE_CHANGED;
20 import static com.android.internal.telephony.TelephonyStatsLog.CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_OFF;
21 import static com.android.internal.telephony.TelephonyStatsLog.CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_ON;
22 import static com.android.internal.telephony.TelephonyStatsLog.CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_UNAVAILABLE;
23 import static com.android.internal.telephony.TelephonyStatsLog.CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_UNKNOWN;
24 
25 import android.telephony.Annotation;
26 import android.telephony.TelephonyManager;
27 
28 import com.android.internal.telephony.TelephonyStatsLog;
29 
30 /** Logs cellular radio power state changes to statsd */
31 public class RadioPowerStateStats {
32 
33     /** Logs cellular radio power state changes to statsd */
onRadioStateChanged(@nnotation.RadioPowerState int state)34     public static void onRadioStateChanged(@Annotation.RadioPowerState int state) {
35         TelephonyStatsLog.write(CELLULAR_RADIO_POWER_STATE_CHANGED,
36                 radioPowerStateToProtoEnum(state));
37     }
38 
radioPowerStateToProtoEnum(@nnotation.RadioPowerState int state)39     private static int radioPowerStateToProtoEnum(@Annotation.RadioPowerState int state) {
40         switch (state) {
41             case TelephonyManager.RADIO_POWER_OFF:
42                 return CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_OFF;
43             case TelephonyManager.RADIO_POWER_ON:
44                 return CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_ON;
45             case TelephonyManager.RADIO_POWER_UNAVAILABLE:
46                 return CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_UNAVAILABLE;
47             default:
48                 return CELLULAR_RADIO_POWER_STATE_CHANGED__STATE__RADIO_POWER_STATE_UNKNOWN;
49         }
50     }
51 
52 }
53