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 ECMASCRIPT_TOOLING_CLIENT_MANAGER_MESSAGE_MANAGER_H
17#define ECMASCRIPT_TOOLING_CLIENT_MANAGER_MESSAGE_MANAGER_H
18
19#include <iostream>
20
21namespace OHOS::ArkCompiler::Toolchain {
22class MessageManager final {
23public:
24    ~MessageManager()
25    {
26        uv_mutex_destroy(&messageMutex_);
27    }
28
29    static MessageManager& getInstance()
30    {
31        static MessageManager instance;
32        return instance;
33    }
34
35    void MessagePush(uint32_t sessionId, std::string& message)
36    {
37        uv_mutex_lock(&messageMutex_);
38        messageQue_.push(std::make_pair(sessionId, message));
39        uv_mutex_unlock(&messageMutex_);
40    }
41
42    bool MessagePop(uint32_t& sessionId, std::string& message)
43    {
44        uv_mutex_lock(&messageMutex_);
45        if (messageQue_.empty()) {
46            uv_mutex_unlock(&messageMutex_);
47            return false;
48        }
49
50        sessionId = messageQue_.front().first;
51        message = messageQue_.front().second;
52        messageQue_.pop();
53
54        uv_mutex_unlock(&messageMutex_);
55        return true;
56    }
57
58private:
59    MessageManager()
60    {
61        uv_mutex_init(&messageMutex_);
62    }
63    MessageManager(const MessageManager&) = delete;
64    MessageManager& operator=(const MessageManager&) = delete;
65
66    uv_mutex_t messageMutex_;
67    std::queue<std::pair<uint32_t, std::string>> messageQue_;
68};
69} // OHOS::ArkCompiler::Toolchain
70#endif