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 KVSTORE_UTILS_H
17 #define KVSTORE_UTILS_H
18 
19 #include <string>
20 #include <atomic>
21 #include "visibility.h"
22 #include "communication_provider.h"
23 
24 namespace OHOS {
25 namespace DistributedKv {
26 class KvStoreUtils {
27 public:
28     // convert the name to the anonymous
29     // the anonymous string is name[0,3]"***"name[end-3, end]
30     // when the anonymous string is shorter than 9, the anonymous is "******"
31     KVSTORE_API static std::string ToBeAnonymous(const std::string &name);
32 
33     KVSTORE_API static uint64_t GenerateSequenceId();
34 private:
35     static constexpr int MAIN_USER_ID = 0;
36     static constexpr int SYSTEM_UID = 1000;
37     static std::atomic<uint64_t> sequenceId_;
38 };
39 } // namespace DistributedKv
40 } // namespace OHOS
41 #endif // KVSTORE_UTILS_H
42