1 /*
2  * Copyright (c) 2021-2024 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 OHOS_DISTRIBUTED_HARDWARE_TASK_BOARD_H
17 #define OHOS_DISTRIBUTED_HARDWARE_TASK_BOARD_H
18 
19 #include <condition_variable>
20 #include <memory>
21 #include <mutex>
22 #include <string>
23 #include <unordered_map>
24 
25 #include "single_instance.h"
26 #include "task.h"
27 
28 namespace OHOS {
29 namespace DistributedHardware {
30 class TaskBoard {
31 DECLARE_SINGLE_INSTANCE(TaskBoard);
32 public:
33     bool IsAllTaskFinish();
34     void AddTask(std::shared_ptr<Task> task);
35     void RemoveTask(std::string taskId);
36     int32_t WaitForALLTaskFinish();
37     void SaveEnabledDevice(const std::string &enabledDeviceKey, const TaskParam &taskParam);
38     void RemoveEnabledDevice(const std::string &enabledDeviceKey);
39     const std::unordered_map<std::string, TaskParam> GetEnabledDevice();
40 
41     void DumpAllTasks(std::vector<TaskDump> &taskInfos);
42     bool IsEnabledDevice(const std::string &enabledDeviceKey);
43 
44 private:
45     void RemoveTaskInner(std::string taskId);
46 
47 private:
48     std::condition_variable conVar_;
49     std::mutex tasksMtx_;
50     std::unordered_map<std::string, std::shared_ptr<Task>> tasks_;
51 
52     /* The key is combination of deviceId and dhId, and the value is taskParam */
53     std::unordered_map<std::string, TaskParam> enabledDevices_;
54     std::mutex enabledDevicesMutex_;
55 };
56 } // namespace DistributedHardware
57 } // namespace OHOS
58 #endif
59