| /** |
| * Copyright (c) 2023 Project CHIP Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #import <Foundation/Foundation.h> |
| #import <Matter/MTRDeviceControllerFactory.h> |
| |
| #include <lib/core/CHIPPersistentStorageDelegate.h> |
| #include <lib/core/DataModelTypes.h> |
| |
| NS_ASSUME_NONNULL_BEGIN |
| |
| /** |
| * A PersistentStorageDelegate implementation that does the following: |
| * |
| * 1) Ensures that any "global" storage keys are stored in RAM as needed so that |
| * the Matter stack has access to them. |
| * 2) Hands off fabric-index-specific keys to the controller that corresponds to |
| * that fabric index, if any. |
| */ |
| class MTRDemuxingStorage : public chip::PersistentStorageDelegate { |
| public: |
| MTRDemuxingStorage(MTRDeviceControllerFactory * factory); |
| ~MTRDemuxingStorage() {} |
| |
| // PersistentStorageDelegate API. |
| CHIP_ERROR SyncGetKeyValue(const char * key, void * buffer, uint16_t & size) override; |
| |
| CHIP_ERROR SyncSetKeyValue(const char * key, const void * value, uint16_t size) override; |
| |
| CHIP_ERROR SyncDeleteKeyValue(const char * key) override; |
| |
| private: |
| /** |
| * Methods for reading/writing/deleting things. The index-specific ones |
| * will have the "f/index/" bit already stripped of from the front of the key. |
| */ |
| NSData * _Nullable GetGlobalValue(NSString * key); |
| NSData * _Nullable GetIndexSpecificValue(chip::FabricIndex index, NSString * key); |
| |
| CHIP_ERROR SetGlobalValue(NSString * key, NSData * data); |
| CHIP_ERROR SetIndexSpecificValue(chip::FabricIndex index, NSString * key, NSData * data); |
| |
| CHIP_ERROR DeleteGlobalValue(NSString * key); |
| CHIP_ERROR DeleteIndexSpecificValue(chip::FabricIndex index, NSString * key); |
| |
| /** |
| * Methods for modifying our in-memory store for fully qualified keys. |
| */ |
| NSData * _Nullable GetInMemoryValue(NSString * key); |
| CHIP_ERROR SetInMemoryValue(NSString * key, NSData * data); |
| CHIP_ERROR DeleteInMemoryValue(NSString * key); |
| |
| MTRDeviceControllerFactory * mFactory; |
| NSMutableDictionary<NSString *, NSData *> * mInMemoryStore; |
| }; |
| |
| NS_ASSUME_NONNULL_END |