1 /* 2 * Copyright (c) 2021 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 OHOS_DISTRIBUTED_HARDWARE_OFFLINE_TASK_H 17 #define OHOS_DISTRIBUTED_HARDWARE_OFFLINE_TASK_H 18 19 #include <condition_variable> 20 21 #include "task.h" 22 23 namespace OHOS { 24 namespace DistributedHardware { 25 class OffLineTask : public Task { 26 public: 27 OffLineTask() = delete; 28 OffLineTask(const std::string &networkId, const std::string &uuid, const std::string &dhId, const DHType dhType); 29 virtual ~OffLineTask(); 30 virtual void DoTask(); 31 32 virtual void NotifyFatherFinish(std::string taskId); 33 virtual void AddChildrenTask(std::shared_ptr<Task> childrenTask); 34 35 private: 36 /* OffLineTask should wait until all Disable task finish, we run it in a independent thread */ 37 void DoTaskInner(); 38 /* create disable tasks for off line device */ 39 void CreateDisableTask(); 40 /* wait until all disable tasks finish or timeout */ 41 void WaitDisableTaskFinish(); 42 /* clear off line device info */ 43 void ClearOffLineInfo(); 44 45 private: 46 /* condition for children task finish */ 47 std::condition_variable finishCondVar_; 48 std::mutex unFinishTaskMtx_; 49 std::set<std::string> unFinishChildrenTasks_; 50 }; 51 } // namespace DistributedHardware 52 } // namespace OHOS 53 #endif 54