1 /* 2 * Copyright (c) 2022-2024 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 DM_TIMER_H 17 #define DM_TIMER_H 18 19 #include <atomic> 20 #include <chrono> 21 #include <condition_variable> 22 #include <functional> 23 #include <map> 24 #include <mutex> 25 #include <unordered_map> 26 27 #include "ffrt.h" 28 29 namespace OHOS { 30 namespace DistributedHardware { 31 using TimerCallback = std::function<void (std::string name)>; 32 33 class DmTimer { 34 public: 35 DmTimer(); 36 ~DmTimer(); 37 38 /** 39 * @tc.name: DmTimer::StartTimer 40 * @tc.desc: start timer running 41 * @tc.type: FUNC 42 */ 43 int32_t StartTimer(std::string name, int32_t timeOut, TimerCallback callback); 44 45 /** 46 * @tc.name: DmTimer::DeleteTimer 47 * @tc.desc: delete timer 48 * @tc.type: FUNC 49 */ 50 int32_t DeleteTimer(std::string timerName); 51 52 /** 53 * @tc.name: DmTimer::DeleteAll 54 * @tc.desc: delete all timer 55 * @tc.type: FUNC 56 */ 57 int32_t DeleteAll(); 58 59 private: 60 mutable std::mutex timerMutex_; 61 std::unordered_map<std::string, ffrt::task_handle> timerVec_ = {}; 62 std::shared_ptr<ffrt::queue> queue_; 63 }; 64 } 65 } 66 #endif