1 /* 2 * Copyright (c) 2022-2022 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 DISTRIBUTEDDATA_SERVICE_DUMPE_HELPER_H 17 #define DISTRIBUTEDDATA_SERVICE_DUMPE_HELPER_H 18 19 #include <string> 20 #include <vector> 21 #include <map> 22 #include <list> 23 #include <functional> 24 #include "store_errno.h" 25 #include "singleton.h" 26 27 namespace OHOS { 28 namespace DistributedKv { 29 class DumpHelper : public Singleton<DumpHelper> { 30 public: 31 using DumpNoParamFunc = std::function<void(int)>; 32 using DumpWithParamFunc = std::function<void(int, const std::string &)>; 33 DumpHelper() = default; 34 virtual ~DumpHelper() = default; 35 void AddDumpOperation(const DumpNoParamFunc &dumpAll, const DumpNoParamFunc &dumpUserInfo, 36 const DumpWithParamFunc &dumpAppInfo, const DumpWithParamFunc &dumpStoreInfo); 37 void AddErrorInfo(const std::string &error); 38 void ShowError(int fd); 39 bool Dump(int fd, const std::vector<std::string> &args); 40 private: 41 void ShowHelp(int fd); 42 void ShowIllealInfomation(int fd); 43 mutable std::mutex hidumperMutex_; 44 std::list<std::string> g_errorInfo; 45 DumpNoParamFunc dumpAll_; 46 DumpNoParamFunc dumpUserInfo_; 47 DumpWithParamFunc dumpAppInfo_; 48 DumpWithParamFunc dumpStoreInfo_; 49 }; 50 } // namespace DistributedKv 51 } // namespace OHOS 52 #endif // DISTRIBUTEDDATA_SERVICE_DUMPE_HELPER_H