| /* |
| * Copyright (c) 2024 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. |
| */ |
| #pragma once |
| |
| #include <lib/core/CHIPPersistentStorageDelegate.h> |
| #include <lib/support/CodeUtils.h> |
| #include <lib/support/DefaultStorageKeyAllocator.h> |
| |
| namespace chip { |
| namespace app { |
| |
| /** |
| * Wraps around a PersistentStorageDelegate to perform ByteSpan I/O over StorageKey |
| */ |
| class StorageDelegateWrapper |
| { |
| public: |
| StorageDelegateWrapper() = default; |
| |
| // Passed-in storage must outlive this object. |
| CHIP_ERROR Init(PersistentStorageDelegate * storage) |
| { |
| VerifyOrReturnError(storage != nullptr, CHIP_ERROR_INVALID_ARGUMENT); |
| mStorage = storage; |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR WriteValue(const StorageKeyName & aKey, const ByteSpan & aValue); |
| CHIP_ERROR ReadValue(const StorageKeyName & aKey, MutableByteSpan & aValue); |
| |
| private: |
| PersistentStorageDelegate * mStorage; |
| }; |
| |
| } // namespace app |
| } // namespace chip |