1 /* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved. 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 <map> 22 #include <memory> 23 #include <set> 24 #include <string> 25 #include <unordered_map> 26 #include <vector> 27 #include "sqlite3.h" 28 #include "sqllite_prepar_cache_data.h" 29 30 struct ElfSymbolTable { 31 uint64_t filePathIndex; 32 uint64_t textVaddr; 33 uint32_t textOffset; 34 uint32_t symEntSize; 35 std::string strTable; 36 std::string symTable; 37 }; 38 39 namespace SysTuning { 40 namespace TraceStreamer { 41 constexpr int32_t DATABASE_BASE = (1U << 20); 42 class TraceDataDB { 43 public: 44 TraceDataDB(); 45 TraceDataDB(const TraceDataDB &) = delete; 46 TraceDataDB &operator=(const TraceDataDB &) = delete; 47 virtual ~TraceDataDB(); 48 void Prepare(); 49 50 public: 51 using ResultCallBack = std::function<void(const std::string & /* json or proto result */, int32_t)>; 52 int32_t ExportDatabase(const std::string &outputName, ResultCallBack resultCallBack = nullptr); 53 int32_t BatchExportDatabase(const std::string &outputName); 54 int32_t CreatEmptyBatchDB(const std::string &outputName); 55 void RevertTableName(const std::string &outputName); 56 void CloseBatchDB(); 57 std::vector<std::string> SearchData(); 58 int32_t OperateDatabase(const std::string &sql); 59 int32_t SearchDatabase(const std::string &sql, ResultCallBack resultCallBack); 60 int32_t SearchDatabase(const std::string &sql, uint8_t *out, int32_t outLen); 61 int32_t SearchDatabase(std::string &sql, bool print); 62 int32_t SearchDatabaseToProto(const std::string &data, SqllitePreparCacheData::TLVResultCallBack resultCallBack); 63 std::string SearchDatabase(const std::string &sql); 64 void SetCancel(bool cancel); 65 void AppendNewTable(std::string tableName); 66 void EnableMetaTable(bool enabled); Cancel() const67 bool Cancel() const 68 { 69 return cancelQuery_; 70 } 71 72 public: 73 sqlite3 *db_; 74 75 protected: 76 std::unordered_map<std::string, size_t> tableToCompletedSize_; 77 78 private: 79 void ExecuteSql(const std::string_view &sql); 80 void SendDatabase(ResultCallBack resultCallBack); 81 void ParseCommandLine(std::string &option, std::string line, std::vector<std::string> &values); 82 void PrintSearchResult(std::string line, bool printResult); 83 int32_t HandleColumnNames(sqlite3_stmt *stmt, char *res, int32_t outLen, int32_t pos, int32_t colCount); 84 int32_t HandleRowData(sqlite3_stmt *stmt, char *res, int32_t outLen, int32_t pos, int32_t colCount); 85 static void GetRowString(sqlite3_stmt *stmt, int32_t colCount, std::string &rowStr); 86 static void SqliteFinalize(sqlite3_stmt *ptr); 87 void InitTableToCompletedSize(); 88 89 private: 90 std::list<std::string> internalTables_ = {}; 91 bool exportMetaTable_ = true; 92 bool pared_ = false; 93 bool cancelQuery_ = false; 94 std::string wasmDBName_; 95 SqllitePreparCacheData sqlPreparCacheData_; 96 std::set<std::string> needClearTable_ = {"data_type", "device_info", "data_dict", "meta", "clock_snapshot", 97 "callstack", "thread_state", "stat", "symbols", "thread", 98 "process", "trace_range", "args_view"}; 99 }; 100 } // namespace TraceStreamer 101 } // namespace SysTuning 102 #endif 103