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 #ifndef VIRTUAL_CLOUD_SYNCER_H 16 #define VIRTUAL_CLOUD_SYNCER_H 17 #include "cloud_syncer.h" 18 19 namespace DistributedDB { 20 class VirtualCloudSyncer final : public CloudSyncer { 21 public: 22 explicit VirtualCloudSyncer(std::shared_ptr<StorageProxy> storageProxy); 23 ~VirtualCloudSyncer() override = default; 24 25 int DoDownload(TaskId taskId) override; 26 27 int DoUpload(TaskId taskId, bool lastTable) override; 28 29 void SetSyncAction(bool doDownload, bool doUpload); 30 31 void SetDownloadFunc(const std::function<int (void)> &); 32 33 void Notify(bool notifyIfError = false); 34 35 size_t GetQueueCount(); 36 37 void SetCurrentTaskInfo(const SyncProcessCallback &callback, CloudSyncer::TaskId taskId); 38 39 int CallTagStatusByStrategy(bool isExist, const DataInfoWithLog &localInfo, const LogInfo &cloudInfo, 40 OpType &strategyOpResult); 41 private: 42 std::function<int (void)> downloadFunc_; 43 std::atomic<bool> doDownload_; 44 std::atomic<bool> doUpload_; 45 }; 46 } 47 #endif // VIRTUAL_CLOUD_SYNCER_H 48