1 /* 2 * Copyright (c) 2021-2025 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 COMMON_COMPONENTS_TASKPOOL_TASK_QUEUE_H 17 #define COMMON_COMPONENTS_TASKPOOL_TASK_QUEUE_H 18 19 #include <algorithm> 20 #include <atomic> 21 #include <chrono> 22 #include <deque> 23 #include <functional> 24 #include <map> 25 #include <memory> 26 #include <mutex> 27 #include <condition_variable> 28 29 #include "common_components/taskpool/task.h" 30 #include "common_interfaces/base/common.h" 31 32 namespace common { 33 using SteadyTimePoint = std::chrono::steady_clock::time_point; 34 class TaskQueue { 35 public: 36 TaskQueue() = default; 37 ~TaskQueue() = default; 38 39 NO_COPY_SEMANTIC_CC(TaskQueue); 40 NO_MOVE_SEMANTIC_CC(TaskQueue); 41 42 void PostTask(std::unique_ptr<Task> task); 43 void PostDelayedTask(std::unique_ptr<Task> task, uint64_t delayMilliseconds); 44 std::unique_ptr<Task> PopTask(); 45 46 void Terminate(); 47 void TerminateTask(int32_t id, TaskType type); 48 void ForEachTask(const std::function<void(Task*)> &f); 49 50 private: 51 void MoveExpiredTask(std::unique_lock<std::mutex> &lock); 52 void WaitForTask(std::unique_lock<std::mutex> &lock); 53 54 std::deque<std::unique_ptr<Task>> tasks_; 55 56 struct DelayedTaskCompare { operatorDelayedTaskCompare57 bool operator()(const SteadyTimePoint& left, const SteadyTimePoint& right) const 58 { 59 return (std::chrono::duration_cast<std::chrono::duration<double>>(right - left)).count() > 0; 60 } 61 }; 62 63 std::multimap<SteadyTimePoint, std::unique_ptr<Task>, DelayedTaskCompare> delayedTasks_; 64 65 std::atomic_bool terminate_ = false; 66 std::mutex mtx_; 67 std::condition_variable cv_; 68 }; 69 } // namespace common 70 #endif // COMMON_COMPONENTS_TASKPOOL_TASK_QUEUE_H 71