• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (c) 2023 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 OHOS_DISTRIBUTED_DATA_SERVICES_CLOUD_SYNC_MANAGER_H
17 #define OHOS_DISTRIBUTED_DATA_SERVICES_CLOUD_SYNC_MANAGER_H
18 #include "eventcenter/event.h"
19 #include "executor_pool.h"
20 #include "store/auto_cache.h"
21 #include "store/general_store.h"
22 #include "store/general_value.h"
23 #include "utils/ref_count.h"
24 #include "concurrent_map.h"
25 namespace OHOS::CloudData {
26 class SyncManager {
27 public:
28     using GenAsync = DistributedData::GenAsync;
29     using GenStore = DistributedData::GeneralStore;
30     using GenQuery = DistributedData::GenQuery;
31     using RefCount = DistributedData::RefCount;
32     using AutoCache = DistributedData::AutoCache;
33     using StoreMetaData = DistributedData::StoreMetaData;
34     static AutoCache::Store GetStore(const StoreMetaData &meta, int32_t user, bool mustBind = true);
35     class SyncInfo final {
36     public:
37         using Store = std::string;
38         using Stores = std::vector<Store>;
39         using Tables = std::vector<std::string>;
40         using MutliStoreTables = std::map<Store, Tables>;
41         SyncInfo(int32_t user, const std::string &bundleName = "", const Store &store = "", const Tables &tables = {});
42         SyncInfo(int32_t user, const std::string &bundleName, const Stores &stores);
43         SyncInfo(int32_t user, const std::string &bundleName, const MutliStoreTables &tables);
44         void SetMode(int32_t mode);
45         void SetWait(int32_t wait);
46         void SetAsyncDetail(GenAsync asyncDetail);
47         void SetQuery(std::shared_ptr<GenQuery> query);
48         void SetError(int32_t code) const;
49         std::shared_ptr<GenQuery> GenerateQuery(const std::string &store, const Tables &tables);
50         inline static constexpr const char *DEFAULT_ID = "default";
51 
52     private:
53         friend SyncManager;
54         uint64_t syncId_ = 0;
55         int32_t mode_ = GenStore::CLOUD_TIME_FIRST;
56         int32_t user_ = 0;
57         int32_t wait_ = 0;
58         std::string id_ = DEFAULT_ID;
59         std::string bundleName_;
60         std::map<std::string, std::vector<std::string>> tables_;
61         GenAsync async_;
62         std::shared_ptr<GenQuery> query_;
63     };
64     SyncManager();
65     ~SyncManager();
66     int32_t Bind(std::shared_ptr<ExecutorPool> executor);
67     int32_t DoCloudSync(SyncInfo syncInfo);
68     int32_t StopCloudSync(int32_t user = 0);
69 
70 private:
71     using Event = DistributedData::Event;
72     using Task = ExecutorPool::Task;
73     using TaskId = ExecutorPool::TaskId;
74     using Duration = ExecutorPool::Duration;
75     using Retryer = std::function<bool(Duration interval, int32_t status)>;
76 
77     static constexpr ExecutorPool::Duration RETRY_INTERVAL = std::chrono::seconds(10); // second
78     static constexpr ExecutorPool::Duration LOCKED_INTERVAL = std::chrono::seconds(30); // second
79     static constexpr int32_t RETRY_TIMES = 6; // normal retry
80     static constexpr int32_t CLIENT_RETRY_TIMES = 3; // normal retry
81     static constexpr uint64_t USER_MARK = 0xFFFFFFFF00000000; // high 32 bit
82     static constexpr int32_t MV_BIT = 32;
83 
84     Task GetSyncTask(int32_t times, bool retry, RefCount ref, SyncInfo &&syncInfo);
85     void UpdateSchema(const SyncInfo &syncInfo);
86     std::function<void(const Event &)> GetSyncHandler(Retryer retryer);
87     std::function<void(const Event &)> GetClientChangeHandler();
88     Retryer GetRetryer(int32_t times, const SyncInfo &syncInfo);
89     static uint64_t GenerateId(int32_t user);
90     RefCount GenSyncRef(uint64_t syncId);
91     int32_t Compare(uint64_t syncId, int32_t user);
92 
93     static std::atomic<uint32_t> genId_;
94     std::shared_ptr<ExecutorPool> executor_;
95     ConcurrentMap<uint64_t, TaskId> actives_;
96     ConcurrentMap<uint64_t, uint64_t> activeInfos_;
97 };
98 } // namespace OHOS::CloudData
99 #endif // OHOS_DISTRIBUTED_DATA_SERVICES_CLOUD_SYNC_MANAGER_H
100