1 /*
2  * Copyright (c) 2022 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_WORKER_MESSAGE_QUEUE_H
17 #define JS_CONCURRENT_MODULE_WORKER_MESSAGE_QUEUE_H
18 
19 #include <mutex>
20 #include <queue>
21 #include "napi/native_api.h"
22 #include "napi/native_node_api.h"
23 
24 namespace Commonlibrary::Concurrent::WorkerModule {
25 using MessageDataType = void*;
26 class MessageQueue final {
27 public:
28     void EnQueue(MessageDataType data);
29     bool DeQueue(MessageDataType *data);
30     bool IsEmpty() const;
31     void Clear(napi_env env);
GetSize()32     size_t GetSize() const
33     {
34         return queue_.size();
35     }
36 
37 private:
38     std::mutex queueLock_;
39     std::queue<MessageDataType> queue_;
40 };
41 
42 class MarkedMessageQueue final {
43 public:
44     void Push(uint32_t id, MessageDataType data);
45     void Pop();
46     std::pair<uint32_t, MessageDataType> Front();
47     bool IsEmpty();
48     void Clear(napi_env env);
GetSize()49     size_t GetSize()
50     {
51         std::unique_lock<std::mutex> lock(queueLock_);
52         return queue_.size();
53     }
54 
55 private:
56     std::mutex queueLock_;
57     std::queue<std::pair<uint32_t, MessageDataType>> queue_;
58 };
59 }  // namespace Commonlibrary::Concurrent::WorkerModule
60 #endif // JS_CONCURRENT_MODULE_WORKER_MESSAGE_QUEUE_H
61