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 JS_CONCURRENT_MODULE_TASKPOOL_RUNNER_H
17 #define JS_CONCURRENT_MODULE_TASKPOOL_RUNNER_H
18 
19 #include <queue>
20 #include <unordered_map>
21 
22 #include "task.h"
23 
24 namespace Commonlibrary::Concurrent::TaskPoolModule {
25 class SequenceRunner {
26 public:
27     SequenceRunner() = default;
28     ~SequenceRunner() = default;
29 
30     static napi_value SeqRunnerConstructor(napi_env env, napi_callback_info cbinfo);
31     static napi_value Execute(napi_env env, napi_callback_info cbinfo);
32 
33 private:
34     SequenceRunner(const SequenceRunner &) = delete;
35     SequenceRunner& operator=(const SequenceRunner &) = delete;
36     SequenceRunner(SequenceRunner &&) = delete;
37     SequenceRunner& operator=(SequenceRunner &&) = delete;
38 
39     static void ExecuteTaskImmediately(uint64_t taskId, Priority priority);
40     static void SequenceRunnerDestructor(napi_env env, void* data, void* hint);
41     static bool SeqRunnerConstructorInner(napi_env env, napi_value &thisVar, SequenceRunner *seqRunner);
42 
43     friend class NativeEngineTest;
44 public:
45     uint64_t seqRunnerId_ {};
46     std::atomic<uint64_t> currentTaskId_ {};
47     Priority priority_ {Priority::DEFAULT};
48     std::queue<Task*> seqRunnerTasks_ {};
49     std::shared_mutex seqRunnerMutex_;
50 
51     // for global SequenceRunner
52     std::string seqName_ {};
53     napi_ref seqRunnerRef_ = nullptr;
54     bool isGlobalRunner_ {false};
55     uint64_t count_ = 0;
56     std::unordered_map<napi_env, napi_ref> globalSeqRunnerRef_ {};
57 };
58 }
59 
60 #endif // JS_CONCURRENT_MODULE_TASKPOOL_RUNNER_H