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 #ifndef SERVICE_DUMP_MANAGER_H
16 #define SERVICE_DUMP_MANAGER_H
17 #include <functional>
18 #include <map>
19 #include <unordered_set>
20 #include <string>
21 #include <mutex>
22 
23 namespace OHOS {
24 namespace Media {
25 using DfxDumper = std::function<int32_t(int32_t)>;
26 class __attribute__((visibility("default"))) ServiceDumpManager {
27 public:
28     static ServiceDumpManager &GetInstance();
29     void RegisterDfxDumper(std::u16string key, DfxDumper dump);
30     void UnregisterDfxDumper();
31     int32_t Dump(int32_t fd, std::unordered_set<std::u16string> args);
32 private:
33     ServiceDumpManager() = default;
34     ~ServiceDumpManager() = default;
35     std::map<std::u16string, DfxDumper> dfxDumper_;
36     std::mutex mutex_;
37 };
38 } // namespace Media
39 } // namespace OHOS
40 
41 #endif