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 I_KV_STORE_DATA_SERVICE_H 17 #define I_KV_STORE_DATA_SERVICE_H 18 19 #include "distributeddata_ipc_interface_code.h" 20 #include "iremote_broker.h" 21 #include "ikvstore_client_death_observer.h" 22 #include "ikvstore_observer.h" 23 #include "iremote_proxy.h" 24 #include "iremote_stub.h" 25 #include "message_parcel.h" 26 #include "types.h" 27 28 namespace OHOS::DistributedKv { 29 class IKvStoreDataService : public IRemoteBroker { 30 public: 31 DECLARE_INTERFACE_DESCRIPTOR(u"OHOS.DistributedKv.IKvStoreDataService"); 32 33 virtual sptr<IRemoteObject> GetFeatureInterface(const std::string &name) = 0; 34 35 virtual Status RegisterClientDeathObserver(const AppId &appId, sptr<IRemoteObject> observer) = 0; 36 37 protected: 38 static constexpr size_t MAX_IPC_CAPACITY = 800 * 1024; 39 }; 40 41 class KvStoreDataServiceStub : public IRemoteStub<IKvStoreDataService> { 42 public: 43 int API_EXPORT OnRemoteRequest(uint32_t code, MessageParcel &data, 44 MessageParcel &reply, MessageOption &option) override; 45 46 private: 47 int32_t GetFeatureInterfaceOnRemote(MessageParcel &data, MessageParcel &reply); 48 int32_t RegisterClientDeathObserverOnRemote(MessageParcel &data, MessageParcel &reply); 49 50 using RequestHandler = int32_t(KvStoreDataServiceStub::*)(MessageParcel&, MessageParcel&); 51 static constexpr RequestHandler 52 HANDLERS[static_cast<uint32_t>(KvStoreDataServiceInterfaceCode::SERVICE_CMD_LAST)] = { 53 &KvStoreDataServiceStub::GetFeatureInterfaceOnRemote, 54 &KvStoreDataServiceStub::RegisterClientDeathObserverOnRemote, 55 }; 56 }; 57 58 class API_EXPORT KvStoreDataServiceProxy : public IRemoteProxy<IKvStoreDataService> { 59 public: 60 explicit KvStoreDataServiceProxy(const sptr<IRemoteObject> &impl); 61 ~KvStoreDataServiceProxy() = default; 62 sptr<IRemoteObject> GetFeatureInterface(const std::string &name) override; 63 64 Status RegisterClientDeathObserver(const AppId &appId, sptr<IRemoteObject> observer) override; 65 66 private: 67 static inline BrokerDelegator<KvStoreDataServiceProxy> delegator_; 68 }; 69 } // namespace OHOS::DistributedKv 70 71 #endif // I_KV_STORE_DATA_SERVICE_H