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 BASE_STARTUP_PARAM_PERSIST_H 17 #define BASE_STARTUP_PARAM_PERSIST_H 18 #include <stdint.h> 19 #include <sys/types.h> 20 #ifdef __cplusplus 21 #if __cplusplus 22 extern "C" { 23 #endif 24 #endif 25 26 typedef int (*PersistParamGetPtr)(const char *name, const char *value, void *context); 27 28 typedef void *PERSIST_SAVE_HANDLE; 29 typedef struct { 30 int (*load)(PersistParamGetPtr persistParamGet, void *context); 31 int (*save)(const char *name, const char *value); 32 int (*batchSaveBegin)(PERSIST_SAVE_HANDLE *handle); 33 int (*batchSave)(PERSIST_SAVE_HANDLE handle, const char *name, const char *value); 34 void (*batchSaveEnd)(PERSIST_SAVE_HANDLE handle); 35 } PersistParamOps; 36 37 #ifndef PARAM_SUPPORT_SAVE_PERSIST 38 #define PARAM_SUPPORT_SAVE_PERSIST 1 // default 39 #endif 40 41 #ifdef PARAM_SUPPORT_SAVE_PERSIST 42 int RegisterPersistParamOps(PersistParamOps *ops); 43 #endif 44 45 #ifndef STARTUP_INIT_TEST 46 #define PARAM_MUST_SAVE_PARAM_DIFF 10 // 10s 47 #else 48 #define PARAM_MUST_SAVE_PARAM_DIFF 1 49 #endif 50 51 #ifdef __cplusplus 52 #if __cplusplus 53 } 54 #endif 55 #endif 56 #endif