1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* 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
|
