mirror of
https://github.com/openharmony/miscservices_time.git
synced 2026-07-19 12:02:04 -04:00
zhutianyi
113 lines
4.2 KiB
C++
113 lines
4.2 KiB
C++
/*
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* Copyright (C) 2021 Huawei Device Co., Ltd.
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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 TIMER_MANAGER_H
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#define TIMER_MANAGER_H
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#include <cinttypes>
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#include <mutex>
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#include <vector>
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#include <map>
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#include <random>
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#include <thread>
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#include <atomic>
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#include <chrono>
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#include <functional>
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#include "batch.h"
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#include "timer_handler.h"
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namespace OHOS {
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namespace MiscServices {
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class TimerManager : public ITimerManager {
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public:
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static std::shared_ptr<TimerManager> Create();
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uint64_t CreateTimer(int type,
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uint64_t windowLength,
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uint64_t interval,
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int flag,
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std::function<void (const uint64_t)> callback,
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int uid) override;
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bool StartTimer(uint64_t timerNumber, uint64_t triggerTime) override;
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bool StopTimer(uint64_t timerNumber) override;
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bool DestroyTimer(uint64_t timerNumber) override;
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bool ProxyTimer(int32_t uid, bool isProxy) override;
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bool ResetAllProxy() override;
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~TimerManager() override;
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private:
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explicit TimerManager(std::shared_ptr<TimerHandler> impl);
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void TimerLooper();
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void SetHandler(uint64_t id,
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int type,
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uint64_t triggerAtTime,
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uint64_t windowLength,
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uint64_t interval,
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int flag,
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std::function<void (const uint64_t)> callback,
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int uid);
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void SetHandlerLocked(uint64_t id,
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int type,
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std::chrono::milliseconds when,
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std::chrono::steady_clock::time_point whenElapsed,
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std::chrono::milliseconds windowLength,
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std::chrono::steady_clock::time_point maxWhen,
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std::chrono::milliseconds interval,
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std::function<void (const uint64_t)> callback,
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uint32_t flags,
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bool doValidate,
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uint64_t callingUid);
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void RemoveHandler(uint64_t id);
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void RemoveLocked(uint64_t id);
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bool IsSystemUid(int uid);
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void ReBatchAllTimers();
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void ReBatchAllTimersLocked(bool doValidate);
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void ReAddTimerLocked(std::shared_ptr<TimerInfo> timer,
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std::chrono::steady_clock::time_point nowElapsed,
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bool doValidate);
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void SetHandlerLocked(std::shared_ptr<TimerInfo> alarm, bool rebatching, bool doValidate);
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void InsertAndBatchTimerLocked(std::shared_ptr<TimerInfo> alarm);
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int64_t AttemptCoalesceLocked(std::chrono::steady_clock::time_point whenElapsed,
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std::chrono::steady_clock::time_point maxWhen);
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bool TriggerTimersLocked(std::vector<std::shared_ptr<TimerInfo>> &triggerList,
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std::chrono::steady_clock::time_point nowElapsed);
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void RescheduleKernelTimerLocked();
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void DeliverTimersLocked(const std::vector<std::shared_ptr<TimerInfo>> &triggerList,
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std::chrono::steady_clock::time_point nowElapsed);
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std::shared_ptr<Batch> FindFirstWakeupBatchLocked();
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void SetLocked(int type, std::chrono::nanoseconds when);
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std::chrono::steady_clock::time_point ConvertToElapsed(std::chrono::milliseconds when, int type);
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std::chrono::steady_clock::time_point GetBootTimeNs();
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void CallbackAlarmIfNeed(std::shared_ptr<TimerInfo> alarm);
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std::map<uint64_t, std::shared_ptr<TimerEntry>> timerEntryMap_;
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std::default_random_engine random_;
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std::atomic_bool runFlag_;
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std::shared_ptr<TimerHandler> handler_;
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std::unique_ptr<std::thread> alarmThread_;
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std::vector<std::shared_ptr<Batch>> alarmBatches_;
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std::mutex mutex_;
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std::mutex entryMapMutex_;
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std::chrono::system_clock::time_point lastTimeChangeClockTime_;
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std::chrono::steady_clock::time_point lastTimeChangeRealtime_;
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// proxy uid
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std::mutex proxyMutex_;
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std::set<int32_t> proxyUids_;
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std::map<int32_t, std::vector<std::shared_ptr<TimerInfo>>> proxyMap_;
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}; // timer_manager
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} // MiscServices
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} // OHOS
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#endif |