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1 /*
2  * Copyright (c) 2023 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 FOUNDATION_ACE_FRAMEWORKS_COMMON_TASK_EXECUTOR_IMPL_H
17 #define FOUNDATION_ACE_FRAMEWORKS_COMMON_TASK_EXECUTOR_IMPL_H
18 
19 #include <array>
20 #include <atomic>
21 #include <mutex>
22 #include <thread>
23 #include <unordered_map>
24 
25 #include "base/thread/task_executor.h"
26 #include "base/utils/macros.h"
27 #include "core/common/task_runner_adapter.h"
28 #include "core/common/thread_model_impl.h"
29 
30 namespace OHOS::Ace {
31 class ACE_EXPORT TaskExecutorImpl final : public TaskExecutor {
32     DECLARE_ACE_TYPE(TaskExecutorImpl, TaskExecutor);
33 
34 public:
35     explicit TaskExecutorImpl(const RefPtr<TaskExecutorImpl>& taskExecutors);
36     explicit TaskExecutorImpl(const TaskRunners& taskRunners);
TaskExecutorImpl(std::shared_ptr<TaskWrapper> taskWrapper)37     explicit TaskExecutorImpl(std::shared_ptr<TaskWrapper> taskWrapper) : taskWrapper_(taskWrapper) {}
38     TaskExecutorImpl() = default;
~TaskExecutorImpl()39     ~TaskExecutorImpl() override {};
40     void InitPlatformThread(bool useCurrentEventRunner = false, bool isStageModel = false);
41     void InitJsThread(bool newThread = true);
42     void InitOtherThreads(const TaskRunners& taskRunners);
43     void InitOtherThreads(ThreadModelImpl* threadModel);
44 
AddTaskObserver(Task && callback)45     void AddTaskObserver(Task&& callback) override {};
RemoveTaskObserver()46     void RemoveTaskObserver() override {};
47     bool WillRunOnCurrentThread(TaskType type) const final;
48 
GetTid(TaskType type)49     int32_t GetTid(TaskType type) final
50     {
51         return taskTypeTable_[type].tid;
52     }
53 
GetTotalTaskNum(TaskType type)54     uint32_t GetTotalTaskNum(TaskType type) final
55     {
56         return taskIdTable_[static_cast<uint32_t>(type)];
57     }
58 
59 private:
60     TaskExecutor::Task WrapTaskWithContainer(
61         TaskExecutor::Task&& task, int32_t id, std::function<void()>&& traceIdFunc = nullptr) const;
62     TaskExecutor::Task WrapTaskWithCustomWrapper(
63         TaskExecutor::Task&& task, int32_t id, std::function<void()>&& traceIdFunc = nullptr) const;
64     bool PostTaskToTaskRunner(const RefPtr<TaskRunnerAdapter>& taskRunner, TaskExecutor::Task&& task,
65         uint32_t delayTime, const std::string& callerInfo = {}) const;
66     void SetThreadPriority(int32_t priority) const;
67     bool OnPostTask(Task&& task, TaskType type, uint32_t delayTime, const std::string& callerInfo) const final;
68     Task WrapTaskWithTraceId(Task&& task, int32_t id) const final;
69 
70 #ifdef ACE_DEBUG
71     bool OnPreSyncTask(TaskType type) const final;
72     void OnPostSyncTask() const final;
73 
74     void DumpDeadSyncTask(TaskType from, TaskType to) const;
75     mutable std::unordered_map<std::thread::id, std::thread::id> syncTaskTable_;
76 #endif
77 
78     void FillTaskTypeTable(TaskType type);
79     static void FillTaskTypeTable(const WeakPtr<TaskExecutorImpl>& weak, TaskType type);
80 
81     struct ThreadInfo {
82         std::thread::id threadId;
83         int32_t tid = 0;
84         std::string threadName;
85     };
86 
87     mutable std::mutex tableMutex_;
88     std::unordered_map<TaskType, ThreadInfo> taskTypeTable_;
89     mutable std::array<std::atomic<uint32_t>, TASK_TYPE_SIZE> taskIdTable_ { 0 };
90 
91     static thread_local TaskType localTaskType;
92 
93     RefPtr<TaskRunnerAdapter> platformRunner_;
94     RefPtr<TaskRunnerAdapter> uiRunner_;
95     RefPtr<TaskRunnerAdapter> ioRunner_;
96     RefPtr<TaskRunnerAdapter> jsRunner_;
97     RefPtr<TaskRunnerAdapter> gpuRunner_;
98 
99     std::shared_ptr<TaskWrapper> taskWrapper_;
100 };
101 } // namespace OHOS::Ace
102 #endif // FOUNDATION_ACE_FRAMEWORKS_COMMON_TASK_EXECUTOR_IMPL_H
103