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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 #ifndef HARDWARE_GOOGLE_PIXEL_PIXELSTATS_DISPLAYSTATSREPORTER_H
18 #define HARDWARE_GOOGLE_PIXEL_PIXELSTATS_DISPLAYSTATSREPORTER_H
19 
20 #include <aidl/android/frameworks/stats/IStats.h>
21 #include <hardware/google/pixel/pixelstats/pixelatoms.pb.h>
22 
23 #include <string>
24 
25 namespace android {
26 namespace hardware {
27 namespace google {
28 namespace pixel {
29 
30 using aidl::android::frameworks::stats::IStats;
31 using aidl::android::frameworks::stats::VendorAtomValue;
32 
33 /**
34  * A class to upload Pixel Display Stats metrics
35  */
36 class DisplayStatsReporter {
37   public:
38     DisplayStatsReporter();
39     void logDisplayStats(const std::shared_ptr<IStats> &stats_client,
40                          const std::vector<std::string> &display_stats_paths);
41 
42   private:
43     struct DisplayPanelErrorStats {
44         int64_t primary_error_count_te;
45         int64_t primary_error_count_unknown;
46         int64_t secondary_error_count_te;
47         int64_t secondary_error_count_unknown;
48     };
49 
50     // Proto messages are 1-indexed and VendorAtom field numbers start at 2, so
51     // store everything in the values array at the index of the field number
52     // -2.
53     const int kVendorAtomOffset = 2;
54     const int kNumOfDisplayPanelErrorStats = 4;
55     struct DisplayPanelErrorStats prev_data_;
56 
57     void logDisplayPanelErrorStats(const std::shared_ptr<IStats> &stats_client,
58                                    const std::vector<std::string> &display_stats_paths);
59     bool captureDisplayPanelErrorStats(const std::vector<std::string> &display_stats_paths,
60                                        struct DisplayPanelErrorStats *cur_data);
61     bool readDisplayPanelErrorCount(const std::string &path, int64_t *val);
62 };
63 
64 }  // namespace pixel
65 }  // namespace google
66 }  // namespace hardware
67 }  // namespace android
68 
69 #endif  // HARDWARE_GOOGLE_PIXEL_PIXELSTATS_DISPLAYSTATSREPORTER_H
70