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 22 namespace OHOS { 23 namespace Media { 24 using DfxDumper = std::function<int32_t(int32_t)>; 25 class __attribute__((visibility("default"))) ServiceDumpManager { 26 public: 27 static ServiceDumpManager &GetInstance(); 28 void RegisterDfxDumper(std::u16string key, DfxDumper dump); 29 int32_t Dump(int32_t fd, std::unordered_set<std::u16string> args); 30 private: 31 ServiceDumpManager() = default; 32 ~ServiceDumpManager() = default; 33 std::map<std::u16string, DfxDumper> dfxDumper_; 34 }; 35 } // namespace Media 36 } // namespace OHOS 37 38 #endif