1 /*
2  * Copyright (C) 2024 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 #ifndef HARDWARE_GOOGLE_PIXEL_PIXELSTATS_BATTERYTTFREPORTER_H
18 #define HARDWARE_GOOGLE_PIXEL_PIXELSTATS_BATTERYTTFREPORTER_H
19 
20 #include <aidl/android/frameworks/stats/IStats.h>
21 
22 namespace android {
23 namespace hardware {
24 namespace google {
25 namespace pixel {
26 
27 using aidl::android::frameworks::stats::IStats;
28 
29 /**
30  * A class to upload battery capacity metrics
31  */
32 class BatteryTTFReporter {
33   public:
34     BatteryTTFReporter();
35     void checkAndReportStats(const std::shared_ptr<IStats> &stats_client);
36 
37   private:
38     void reportBatteryTTFStatsEvent(const std::shared_ptr<IStats> &stats_client, const char *line);
39     bool reportBatteryTTFStats(const std::shared_ptr<IStats> &stats_client);
40 
41     int64_t report_time_ = 0;
42     int64_t getTimeSecs();
43 
44     // Proto messages are 1-indexed and VendorAtom field numbers start at 2, so
45     // store everything in the values array at the index of the field number
46     // -2.
47     const int kVendorAtomOffset = 2;
48 
49     const std::string kBatteryTTFPath = "/sys/class/power_supply/battery/ttf_stats";
50 };
51 
52 }  // namespace pixel
53 }  // namespace google
54 }  // namespace hardware
55 }  // namespace android
56 
57 #endif  // HARDWARE_GOOGLE_PIXEL_PIXELSTATS_BATTERYTTFREPORTER_H
58