mirror of
https://github.com/openharmony/device_manager.git
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闻飞
80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
/*
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* Copyright (c) 2022 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_H
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#define TIMER_H
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#include <errno.h>
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#include <stdint.h>
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#include <stdio.h>
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#if !defined(__LITEOS_M__)
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#include <sys/epoll.h>
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#include <thread>
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#include <unistd.h>
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#endif
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#include <cstdio>
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#include <mutex>
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#include <string>
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#include "dm_log.h"
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namespace OHOS {
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namespace DistributedHardware {
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class DmTimer;
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typedef void (*TimeoutHandle)(void *data, DmTimer& timer);
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#define MAX_EVENTS 255
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enum DmTimerStatus : int32_t {
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DM_STATUS_INIT = 0,
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DM_STATUS_RUNNING = 1,
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DM_STATUS_BUSY = 2,
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DM_STATUS_CREATE_ERROR = 3,
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DM_STATUS_FINISH = 6,
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};
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class DmTimer {
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public:
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DmTimer(const std::string &name);
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~DmTimer();
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DmTimerStatus Start(uint32_t timeOut, TimeoutHandle handle, void *data);
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void Stop(int32_t code);
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void WaitForTimeout();
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std::string GetTimerName();
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private:
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int32_t CreateTimeFd();
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void Release();
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private:
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std::mutex mTimerLock_;
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DmTimerStatus mStatus_;
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uint32_t mTimeOutSec_;
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TimeoutHandle mHandle_;
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void *mHandleData_;
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int32_t mTimeFd_[2];
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#if defined(__LITEOS_M__)
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void *timerId = NULL;
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#else
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struct epoll_event mEv_;
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struct epoll_event mEvents_[MAX_EVENTS];
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int32_t mEpFd_;
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std::thread mThread_;
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#endif
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std::string mTimerName_;
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};
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} // namespace DistributedHardware
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} // namespace OHOS
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#endif
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