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 #ifndef SYNC_CONFIG_H
16 #define SYNC_CONFIG_H
17 
18 #include <cstdint>
19 #include <set>
20 #include <map>
21 #include "macro_utils.h"
22 #include "parcel.h"
23 #include "types_export.h"
24 
25 // db ability config
26 namespace DistributedDB {
27 // offset, used_bits_num, used_bits_num < 8
28 using AbilityItem = std::pair<uint32_t, uint32_t>;
29 // format: {offset, used_bits_num}
30 /*
31 if need to add new ability, just add append to the last ability
32 current ability format:
33 |first bit|second bit|third bit|
34 |DATABASE_COMPRESSION_ZLIB|ALLPREDICATEQUERY|SUBSCRIBEQUERY|
35 */
36 class SyncConfig final {
37 public:
38     static const AbilityItem DATABASE_COMPRESSION_ZLIB;
39     static const AbilityItem ALLPREDICATEQUERY;
40     static const AbilityItem SUBSCRIBEQUERY;
41     static const AbilityItem INKEYS_QUERY;
42     static const std::vector<AbilityItem> ABILITYBITS;
43     static const std::map<const uint8_t, const AbilityItem> COMPRESSALGOMAP;
44 };
45 }
46 #endif