1/*
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef BATTERY_STATS_SERVICE_H
17#define BATTERY_STATS_SERVICE_H
18
19#include <atomic>
20#include "common_event_subscriber.h"
21#include "hisysevent_listener.h"
22#include "system_ability.h"
23
24#include "battery_stats_core.h"
25#include "battery_stats_detector.h"
26#include "battery_stats_info.h"
27#include "battery_stats_parser.h"
28#include "battery_stats_stub.h"
29
30namespace OHOS {
31namespace PowerMgr {
32class BatteryStatsService final : public SystemAbility, public BatteryStatsStub {
33    DECLARE_SYSTEM_ABILITY(BatteryStatsService);
34    DISALLOW_COPY_AND_MOVE(BatteryStatsService);
35
36public:
37    BatteryStatsService();
38    virtual ~BatteryStatsService();
39    virtual void OnStart() override;
40    virtual void OnStop() override;
41    virtual void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
42
43    bool IsServiceReady() const;
44    int32_t Dump(int32_t fd, const std::vector<std::u16string>& args) override;
45    BatteryStatsInfoList GetBatteryStats() override;
46    double GetAppStatsMah(const int32_t& uid) override;
47    double GetAppStatsPercent(const int32_t& uid) override;
48    double GetPartStatsMah(const BatteryStatsInfo::ConsumptionType& type) override;
49    double GetPartStatsPercent(const BatteryStatsInfo::ConsumptionType& type) override;
50    uint64_t GetTotalTimeSecond(const StatsUtils::StatsType& statsType, const int32_t& uid = StatsUtils::INVALID_VALUE)
51        override;
52    uint64_t GetTotalDataBytes(const StatsUtils::StatsType& statsType, const int32_t& uid = StatsUtils::INVALID_VALUE)
53        override;
54    void Reset() override;
55    void SetOnBattery(bool isOnBattery) override;
56    std::string ShellDump(const std::vector<std::string>& args, uint32_t argc) override;
57    std::shared_ptr<BatteryStatsCore> GetBatteryStatsCore() const;
58    std::shared_ptr<BatteryStatsParser> GetBatteryStatsParser() const;
59    std::shared_ptr<BatteryStatsDetector> GetBatteryStatsDetector() const;
60    StatsError GetLastError() override;
61    static sptr<BatteryStatsService> GetInstance();
62    static void DestroyInstance();
63
64#ifndef STATS_SERVICE_UT_TEST
65private:
66#endif
67    static constexpr int32_t DEPENDENCY_CHECK_DELAY_MS = 2000;
68    bool Init();
69    std::shared_ptr<BatteryStatsCore> core_;
70    std::shared_ptr<BatteryStatsParser> parser_;
71    std::shared_ptr<BatteryStatsDetector> detector_;
72    std::shared_ptr<EventFwk::CommonEventSubscriber> subscriberPtr_;
73    std::shared_ptr<HiviewDFX::HiSysEventListener> listenerPtr_;
74    bool ready_ = false;
75    static std::atomic_bool isBootCompleted_;
76    std::mutex mutex_;
77    StatsError lastError_ = StatsError::ERR_OK;
78    bool SubscribeCommonEvent();
79    bool AddHiSysEventListener();
80    void RegisterBootCompletedCallback();
81    static sptr<BatteryStatsService> instance_;
82    static std::mutex singletonMutex_;
83};
84} // namespace PowerMgr
85} // namespace OHOS
86#endif // BATTERY_STATS_SERVICE_H