1 /* 2 * Copyright (c) 2021 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 TRACE_DATA_DB_H 17 #define TRACE_DATA_DB_H 18 19 #include <functional> 20 #include <list> 21 #include <memory> 22 #include <string> 23 #include <vector> 24 #include "sqlite3.h" 25 26 struct ElfSymbolTable { 27 uint64_t filePathIndex; 28 uint64_t textVaddr; 29 uint32_t textOffset; 30 uint32_t symEntSize; 31 std::string strTable; 32 std::string symTable; 33 }; 34 35 namespace SysTuning { 36 namespace TraceStreamer { 37 const int32_t SEND_CONTINUE = 0; 38 const int32_t SEND_FINISH = 1; 39 constexpr int32_t DATABASE_BASE = (1U << 20); 40 class TraceDataDB { 41 public: 42 TraceDataDB(); 43 TraceDataDB(const TraceDataDB&) = delete; 44 TraceDataDB& operator=(const TraceDataDB&) = delete; 45 virtual ~TraceDataDB(); 46 virtual void InitDB() = 0; 47 void Prepare(); 48 49 public: 50 using ResultCallBack = std::function<void(const std::string /* json result */, int32_t)>; 51 int32_t ExportDatabase(const std::string& outputName, ResultCallBack resultCallBack = nullptr); 52 std::vector<std::string> SearchData(); 53 int32_t OperateDatabase(const std::string& sql); 54 int32_t SearchDatabase(const std::string& sql, ResultCallBack resultCallBack); 55 int32_t SearchDatabase(const std::string& sql, uint8_t* out, int32_t outLen); 56 int32_t SearchDatabase(const std::string& sql, bool print); 57 void SetCancel(bool cancel); 58 void AppendNewTable(std::string tableName); 59 void EnableMetaTable(bool enabled); Cancel()60 bool Cancel() const 61 { 62 return cancelQuery_; 63 } 64 65 public: 66 sqlite3* db_; 67 68 private: 69 void ExecuteSql(const std::string_view& sql); 70 void SendDatabase(ResultCallBack resultCallBack); 71 static void GetRowString(sqlite3_stmt* stmt, int32_t colCount, std::string& rowStr); 72 std::list<std::string> internalTables_ = {}; 73 bool exportMetaTable_ = true; 74 bool pared_ = false; 75 bool cancelQuery_ = false; 76 std::string wasmDBName_; 77 }; 78 } // namespace TraceStreamer 79 } // namespace SysTuning 80 #endif 81