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 DISTRIBUTED_RDB_NOTIFIER_H 17 #define DISTRIBUTED_RDB_NOTIFIER_H 18 19 #include <iremote_broker.h> 20 #include <iremote_proxy.h> 21 #include <iremote_stub.h> 22 23 #include "rdb_types.h" 24 #include "visibility.h" 25 26 namespace OHOS::DistributedRdb { 27 class API_EXPORT IRdbNotifier : public IRemoteBroker { 28 public: 29 enum { 30 RDB_NOTIFIER_CMD_SYNC_COMPLETE, 31 RDB_NOTIFIER_CMD_DATA_CHANGE, 32 RDB_NOTIFIER_CMD_MAX 33 }; 34 35 virtual int32_t OnComplete(uint32_t seqNum, const SyncResult& result) = 0; 36 37 virtual int32_t OnChange(const std::string& storeName, const std::vector<std::string>& devices) = 0; 38 39 DECLARE_INTERFACE_DESCRIPTOR(u"OHOS.DistributedRdb.IRdbNotifier"); 40 }; 41 42 class API_EXPORT RdbNotifierProxy : public IRemoteProxy<IRdbNotifier> { 43 public: 44 explicit RdbNotifierProxy(const sptr<IRemoteObject>& object); 45 virtual ~RdbNotifierProxy() noexcept; 46 47 int32_t OnComplete(uint32_t seqNum, const SyncResult& result) override; 48 49 int32_t OnChange(const std::string& storeName, const std::vector<std::string>& devices) override; 50 51 private: 52 static inline BrokerDelegator<RdbNotifierProxy> delegator_; 53 }; 54 55 using RdbSyncCompleteNotifier = std::function<void(uint32_t, const SyncResult&)>; 56 using RdbDataChangeNotifier = std::function<void(const std::string&, const std::vector<std::string>&)>; 57 58 class API_EXPORT RdbNotifierStub : public IRemoteStub<IRdbNotifier> { 59 public: 60 RdbNotifierStub(const RdbSyncCompleteNotifier&, const RdbDataChangeNotifier&); 61 virtual ~RdbNotifierStub() noexcept; 62 63 int OnRemoteRequest(uint32_t code, MessageParcel& data, MessageParcel& reply, MessageOption& option) override; 64 65 int32_t OnCompleteInner(MessageParcel& data, MessageParcel& reply); 66 int32_t OnComplete(uint32_t seqNum, const SyncResult& result) override; 67 68 int32_t OnChangeInner(MessageParcel&data, MessageParcel& reply); 69 int32_t OnChange(const std::string& storeName, const std::vector<std::string>& devices) override; 70 71 private: 72 bool CheckInterfaceToken(MessageParcel& data); 73 74 using RequestHandle = int32_t (RdbNotifierStub::*)(MessageParcel&, MessageParcel&); 75 static constexpr RequestHandle HANDLES[RDB_NOTIFIER_CMD_MAX] = { 76 [RDB_NOTIFIER_CMD_SYNC_COMPLETE] = &RdbNotifierStub::OnCompleteInner, 77 [RDB_NOTIFIER_CMD_DATA_CHANGE] = &RdbNotifierStub::OnChangeInner, 78 }; 79 80 RdbSyncCompleteNotifier completeNotifier_; 81 RdbDataChangeNotifier changeNotifier_; 82 }; 83 } // namespace OHOS::DistributedRdb 84 #endif 85