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 <aidl/android/hardware/power/stats/BnPowerStats.h> 20 21 #include <optional> 22 #include <unordered_map> 23 24 namespace aidl { 25 namespace android { 26 namespace hardware { 27 namespace power { 28 namespace stats { 29 30 class PowerStats : public BnPowerStats { 31 public: 32 class IStateResidencyDataProvider { 33 public: 34 virtual ~IStateResidencyDataProvider() = default; 35 virtual bool getStateResidencies( 36 std::unordered_map<std::string, std::vector<StateResidency>> *residencies) = 0; 37 virtual std::unordered_map<std::string, std::vector<State>> getInfo() = 0; registerStatesUpdateCallback(__unused std::function<void (const std::string &,const std::vector<State> &)>)38 virtual void registerStatesUpdateCallback( 39 __unused std::function<void(const std::string &, const std::vector<State> &)>) {} 40 }; 41 42 class IEnergyConsumer { 43 public: 44 virtual ~IEnergyConsumer() = default; 45 virtual std::pair<EnergyConsumerType, std::string> getInfo() = 0; 46 virtual std::optional<EnergyConsumerResult> getEnergyConsumed() = 0; 47 virtual std::string getConsumerName() = 0; 48 }; 49 50 class IEnergyMeterDataProvider { 51 public: 52 virtual ~IEnergyMeterDataProvider() = default; 53 virtual ndk::ScopedAStatus readEnergyMeter( 54 const std::vector<int32_t> &in_channelIds, 55 std::vector<EnergyMeasurement> *_aidl_return) = 0; 56 virtual ndk::ScopedAStatus getEnergyMeterInfo(std::vector<Channel> *_aidl_return) = 0; 57 }; 58 59 PowerStats() = default; 60 void addStateResidencyDataProvider(std::unique_ptr<IStateResidencyDataProvider> p); 61 void addEnergyConsumer(std::unique_ptr<IEnergyConsumer> p); 62 void setEnergyMeterDataProvider(std::unique_ptr<IEnergyMeterDataProvider> p); 63 64 // Methods from aidl::android::hardware::power::stats::IPowerStats 65 ndk::ScopedAStatus getPowerEntityInfo(std::vector<PowerEntity> *_aidl_return) override; 66 ndk::ScopedAStatus getStateResidency(const std::vector<int32_t> &in_powerEntityIds, 67 std::vector<StateResidencyResult> *_aidl_return) override; 68 ndk::ScopedAStatus getEnergyConsumerInfo(std::vector<EnergyConsumer> *_aidl_return) override; 69 ndk::ScopedAStatus getEnergyConsumed(const std::vector<int32_t> &in_energyConsumerIds, 70 std::vector<EnergyConsumerResult> *_aidl_return) override; 71 ndk::ScopedAStatus getEnergyMeterInfo(std::vector<Channel> *_aidl_return) override; 72 ndk::ScopedAStatus readEnergyMeter(const std::vector<int32_t> &in_channelIds, 73 std::vector<EnergyMeasurement> *_aidl_return) override; 74 binder_status_t dump(int fd, const char **args, uint32_t numArgs) override; 75 76 private: 77 void statesUpdate(const std::string &entityName, const std::vector<State> &states); 78 79 void getEntityStateNames( 80 std::unordered_map<int32_t, std::string> *entityNames, 81 std::unordered_map<int32_t, std::unordered_map<int32_t, std::string>> *stateNames); 82 void getChannelNames(std::unordered_map<int32_t, std::string> *channelNames); 83 void dumpStateResidency(std::ostringstream &oss, bool delta); 84 void dumpStateResidencyDelta(std::ostringstream &oss, 85 const std::vector<StateResidencyResult> &results); 86 void dumpStateResidencyOneShot(std::ostringstream &oss, 87 const std::vector<StateResidencyResult> &results); 88 void dumpEnergyConsumer(std::ostringstream &oss, bool delta); 89 void dumpEnergyMeter(std::ostringstream &oss, bool delta); 90 91 std::vector<std::unique_ptr<IStateResidencyDataProvider>> mStateResidencyDataProviders; 92 std::vector<PowerEntity> mPowerEntityInfos; 93 /* Index that maps each power entity id to an entry in mStateResidencyDataProviders */ 94 std::vector<size_t> mStateResidencyDataProviderIndex; 95 96 std::vector<std::unique_ptr<IEnergyConsumer>> mEnergyConsumers; 97 std::vector<EnergyConsumer> mEnergyConsumerInfos; 98 99 std::unique_ptr<IEnergyMeterDataProvider> mEnergyMeterDataProvider; 100 }; 101 102 } // namespace stats 103 } // namespace power 104 } // namespace hardware 105 } // namespace android 106 } // namespace aidl 107