| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef POWERSTATSCOLLECTOR_H |
| #define POWERSTATSCOLLECTOR_H |
| |
| #include <memory> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include <pwrstatsutil.pb.h> |
| |
| using com::google::android::pwrstatsutil::PowerStatistic; |
| using PowerStatCase = com::google::android::pwrstatsutil::PowerStatistic::PowerStatCase; |
| |
| /** |
| * Classes that inherit from this can be used to provide stats in the form of key/value |
| * pairs to PwrStatsUtil. |
| **/ |
| class IPowerStatProvider { |
| public: |
| virtual ~IPowerStatProvider() = default; |
| int get(PowerStatistic* stat) const; |
| int get(const PowerStatistic& start, PowerStatistic* interval) const; |
| void dump(const PowerStatistic& stat, std::ostream* output) const; |
| virtual PowerStatCase typeOf() const = 0; |
| |
| private: |
| virtual int getImpl(PowerStatistic* stat) const = 0; |
| virtual int getImpl(const PowerStatistic& start, PowerStatistic* interval) const = 0; |
| virtual void dumpImpl(const PowerStatistic& stat, std::ostream* output) const = 0; |
| }; |
| |
| /** |
| * This class is used to return stats in the form of key/value pairs for all registered classes |
| * that implement IPowerStatProvider. |
| **/ |
| class PowerStatsCollector { |
| public: |
| PowerStatsCollector() = default; |
| int get(std::vector<PowerStatistic>* stats) const; |
| int get(const std::vector<PowerStatistic>& start, std::vector<PowerStatistic>* interval) const; |
| void dump(const std::vector<PowerStatistic>& stats, std::ostream* output) const; |
| void addDataProvider(std::unique_ptr<IPowerStatProvider> statProvider); |
| |
| private: |
| std::unordered_map<PowerStatCase, std::unique_ptr<IPowerStatProvider>> mStatProviders; |
| }; |
| |
| int run(int argc, char** argv, const PowerStatsCollector& collector); |
| |
| #endif // POWERSTATSCOLLECTOR_H |