1 /*
2  * Copyright (C) 2020 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 #pragma once
18 
19 #include <PowerStatsAidl.h>
20 
21 namespace aidl {
22 namespace android {
23 namespace hardware {
24 namespace power {
25 namespace stats {
26 
27 class GenericStateResidencyDataProvider : public PowerStats::IStateResidencyDataProvider {
28   public:
29     class StateResidencyConfig {
30       public:
31         std::string name;
32         std::string header;
33 
34         bool entryCountSupported;
35         std::string entryCountPrefix;
36         std::function<uint64_t(uint64_t)> entryCountTransform;
37 
38         bool totalTimeSupported;
39         std::string totalTimePrefix;
40         std::function<uint64_t(uint64_t)> totalTimeTransform;
41 
42         bool lastEntrySupported;
43         std::string lastEntryPrefix;
44         std::function<uint64_t(uint64_t)> lastEntryTransform;
45     };
46 
47     class PowerEntityConfig {
48       public:
49         PowerEntityConfig(const std::vector<StateResidencyConfig> &stateResidencyConfigs,
50                           const std::string &name, const std::string &header = "")
mStateResidencyConfigs(std::move (stateResidencyConfigs))51             : mStateResidencyConfigs(std::move(stateResidencyConfigs)),
52               mName(std::move(name)),
53               mHeader(std::move(header)) {}
54         const std::vector<StateResidencyConfig> mStateResidencyConfigs;
55         const std::string mName;
56         const std::string mHeader;
57     };
58 
GenericStateResidencyDataProvider(const std::string & path,const std::vector<PowerEntityConfig> & configs)59     GenericStateResidencyDataProvider(const std::string &path,
60                                       const std::vector<PowerEntityConfig> &configs)
61         : mPath(std::move(path)), mPowerEntityConfigs(std::move(configs)) {}
62     ~GenericStateResidencyDataProvider() = default;
63 
64     // Methods from PowerStats::IStateResidencyDataProvider
65     bool getStateResidencies(
66             std::unordered_map<std::string, std::vector<StateResidency>> *residencies) override;
67     std::unordered_map<std::string, std::vector<State>> getInfo() override;
68 
69   private:
70     const std::string mPath;
71     const std::vector<PowerEntityConfig> mPowerEntityConfigs;
72 };
73 
74 std::vector<GenericStateResidencyDataProvider::StateResidencyConfig>
75 generateGenericStateResidencyConfigs(
76         const GenericStateResidencyDataProvider::StateResidencyConfig &stateConfig,
77         const std::vector<std::pair<std::string, std::string>> &stateHeaders);
78 
79 }  // namespace stats
80 }  // namespace power
81 }  // namespace hardware
82 }  // namespace android
83 }  // namespace aidl
84