1 /*
2  * Copyright (c) 2022 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 
21 #include "param_osadp.h"
22 #define PUBLIC_PERSIST_FILE 0
23 #define PRIVATE_PERSIST_FILE 1
24 
25 #ifdef __cplusplus
26 #if __cplusplus
27 extern "C" {
28 #endif
29 #endif
30 
31 typedef int (*PersistParamGetPtr)(const char *name, const char *value, void *context);
32 typedef void *PERSIST_SAVE_HANDLE;
33 typedef struct {
34     void *context;
35     PersistParamGetPtr persistParamGet;
36 } PersistAdpContext;
37 
38 typedef struct {
39 #if defined(__LITEOS_M__) || defined(__LITEOS_A__) || defined(__LINUX__)
40     int (*load)(void);
41     int (*batchSaveBegin)(PERSIST_SAVE_HANDLE *handle);
42     int (*batchSave)(PERSIST_SAVE_HANDLE handle, const char *name, const char *value);
43     void (*batchSaveEnd)(PERSIST_SAVE_HANDLE handle);
44 #else
45     int (*load)(int fileType);
46     int (*batchSaveBegin)(PERSIST_SAVE_HANDLE *handle);
47     int (*batchSave)(PERSIST_SAVE_HANDLE handle[], const char *name, const char *value);
48     void (*batchSaveEnd)(PERSIST_SAVE_HANDLE handle[]);
49 #endif
50     int (*save)(const char *name, const char *value);
51 } PersistParamOps;
52 
53 int RegisterPersistParamOps(PersistParamOps *ops);
54 
55 #ifndef STARTUP_INIT_TEST
56 #define PARAM_MUST_SAVE_PARAM_DIFF 1 // 1s
57 #else
58 #define PARAM_MUST_SAVE_PARAM_DIFF 1
59 void TimerCallbackForSave(ParamTaskPtr timer, void *context);
60 #endif
61 
62 void CheckAndSavePersistParam(void);
63 
64 #ifdef __cplusplus
65 #if __cplusplus
66 }
67 #endif
68 #endif
69 #endif