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 &udid, 29 const std::string &dhId, const DHType dhType); 30 virtual ~OffLineTask(); 31 virtual void DoTask(); 32 33 virtual void NotifyFatherFinish(std::string taskId); 34 virtual void AddChildrenTask(std::shared_ptr<Task> childrenTask); 35 36 private: 37 /* OffLineTask should wait until all Disable task finish, we run it in a independent thread */ 38 void DoTaskInner(); 39 /* create disable tasks for off line device */ 40 void CreateDisableTask(); 41 /* wait until all disable tasks finish or timeout */ 42 void WaitDisableTaskFinish(); 43 /* clear off line device info */ 44 void ClearOffLineInfo(); 45 /* create meta disable tasks for off line device */ 46 void CreateMetaDisableTask(); 47 48 private: 49 /* condition for children task finish */ 50 std::condition_variable finishCondVar_; 51 std::mutex unFinishTaskMtx_; 52 std::set<std::string> unFinishChildrenTasks_; 53 }; 54 } // namespace DistributedHardware 55 } // namespace OHOS 56 #endif 57