1 /* 2 * Copyright (c) 2024 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 RD_UTILS_H 17 #define RD_UTILS_H 18 19 #include <stdio.h> 20 #include <string.h> 21 22 #include <vector> 23 24 #include "grd_type_export.h" 25 #include "rdb_errno.h" 26 #include "remote_result_set.h" 27 28 namespace OHOS { 29 namespace NativeRdb { 30 31 class RdUtils { 32 public: 33 static int TransferGrdErrno(int err); 34 static ColumnType TransferGrdTypeToColType(int grdColType); 35 static int RdDbOpen(const char *dbPath, const char *configStr, uint32_t flags, GRD_DB **db); 36 static int RdDbRepair(const char *dbPath, const char *configStr); 37 static int RdDbClose(GRD_DB *db, uint32_t flags); 38 static int RdSqlPrepare(GRD_DB *db, const char *str, uint32_t strLen, GRD_SqlStmt **stmt, const char **unusedStr); 39 static int RdSqlReset(GRD_SqlStmt *stmt); 40 static int RdSqlFinalize(GRD_SqlStmt *stmt); 41 42 static int RdSqlBindBlob(GRD_SqlStmt *stmt, uint32_t idx, const void *val, int32_t len, void (*freeFunc)(void *)); 43 static int RdSqlBindText(GRD_SqlStmt *stmt, uint32_t idx, const void *val, int32_t len, void (*freeFunc)(void *)); 44 static int RdSqlBindInt(GRD_SqlStmt *stmt, uint32_t idx, int32_t val); 45 static int RdSqlBindInt64(GRD_SqlStmt *stmt, uint32_t idx, int64_t val); 46 static int RdSqlBindDouble(GRD_SqlStmt *stmt, uint32_t idx, double val); 47 static int RdSqlBindNull(GRD_SqlStmt *stmt, uint32_t idx); 48 static int RdSqlBindFloatVector( 49 GRD_SqlStmt *stmt, uint32_t idx, float *val, uint32_t dim, void (*freeFunc)(void *)); 50 51 static int RdSqlStep(GRD_SqlStmt *stmt); 52 static int RdSqlColCnt(GRD_SqlStmt *stmt); 53 static ColumnType RdSqlColType(GRD_SqlStmt *stmt, uint32_t idx); 54 static int RdSqlColBytes(GRD_SqlStmt *stmt, uint32_t idx); 55 static char *RdSqlColName(GRD_SqlStmt *stmt, uint32_t idx); 56 static GRD_DbValueT RdSqlColValue(GRD_SqlStmt *stmt, uint32_t idx); 57 58 static const void *RdSqlColBlob(GRD_SqlStmt *stmt, uint32_t idx); 59 static const char *RdSqlColText(GRD_SqlStmt *stmt, uint32_t idx); 60 static int32_t RdSqlColInt(GRD_SqlStmt *stmt, uint32_t idx); 61 static int64_t RdSqlColInt64(GRD_SqlStmt *stmt, uint32_t idx); 62 static double RdSqlColDouble(GRD_SqlStmt *stmt, uint32_t idx); 63 static const float *RdSqlColumnFloatVector(GRD_SqlStmt *stmt, uint32_t idx, uint32_t *dim); 64 65 static void ClearAndZeroString(std::string &str); 66 static const char *GetEncryptKey(const std::vector<uint8_t> &encryptedKey, char outBuff[], size_t outBufSize); 67 static int RdDbBackup(GRD_DB *db, const char *backupDbFile, const std::vector<uint8_t> &encryptedKey); 68 static int RdDbRestore(const char *dbFile, const char *backupDbFile, const std::vector<uint8_t> &encryptedKey); 69 static int RdDbRekey(const char *dbFile, const char *configStr, const std::vector<uint8_t> &encryptedKey); 70 71 static int RdDbGetVersion(GRD_DB *db, GRD_ConfigTypeE type, int &version); 72 static int RdDbSetVersion(GRD_DB *db, GRD_ConfigTypeE type, int version); 73 74 static int RdSqlRegistryThreadPool(GRD_DB *db); 75 private: 76 static GRD_ThreadPoolT threadPool_; 77 }; 78 79 } // namespace NativeRdb 80 } // namespace OHOS 81 #endif // RD_UTILS_H