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