1 /* 2 * Copyright (c) 2021-2023 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 #ifndef DFX_FAULTLOGGERD_H 16 #define DFX_FAULTLOGGERD_H 17 18 #include <cinttypes> 19 #include <map> 20 21 #include "faultloggerd_client.h" 22 23 namespace OHOS { 24 namespace HiviewDFX { 25 class FaultLoggerDaemon { 26 public: 27 FaultLoggerDaemon(); ~FaultLoggerDaemon()28 ~FaultLoggerDaemon() {}; 29 int32_t StartServer(); 30 bool InitEnvironment(); 31 int32_t CreateFileForRequest(int32_t type, int32_t pid, uint64_t time, bool debugFlag) const; 32 33 private: 34 void AddEvent(int32_t epollFd, int32_t addFd, uint32_t event); 35 void DelEvent(int32_t epollFd, int32_t delFd, uint32_t event); 36 void HandleAccept(int32_t epollFd, int32_t socketFd); 37 void HandleRequest(int32_t epollFd, int32_t connectionFd); 38 39 void RemoveTempFileIfNeed(); 40 void HandleDefaultClientRequest(int32_t connectionFd, const FaultLoggerdRequest* request); 41 void HandleLogFileDesClientRequest(int32_t connectionFd, const FaultLoggerdRequest* request); 42 void HandlePrintTHilogClientRequest(int32_t const connectionFd, FaultLoggerdRequest* request); 43 FaultLoggerCheckPermissionResp SecurityCheck(int32_t connectionFd, FaultLoggerdRequest* request); 44 void HandlePermissionRequest(int32_t connectionFd, FaultLoggerdRequest* request); 45 void HandleSdkDumpRequest(int32_t connectionFd, FaultLoggerdRequest* request); 46 void HandlePipeFdClientRequest(int32_t connectionFd, FaultLoggerdRequest* request); 47 bool CheckRequestCredential(int32_t connectionFd, FaultLoggerdRequest* request); 48 bool CreateSockets(); 49 bool CreateEventFd(); 50 void CleanupSockets(); 51 void WaitForRequest(); 52 void CleanupEventFd(); 53 54 private: 55 int32_t defaultSocketFd_ = -1; 56 int32_t crashSocketFd_ = -1; 57 int32_t eventFd_ = -1; 58 std::map<int32_t, int32_t> connectionMap_; 59 }; 60 } // namespace HiviewDFX 61 } // namespace OHOS 62 #endif 63