| /* |
| * |
| * Copyright (c) 2021 Project CHIP Authors |
| * All rights reserved. |
| * |
| * 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. |
| */ |
| |
| /** |
| * @file |
| * Platform-specific key value storage implementation for EFR32. |
| * |
| */ |
| |
| #pragma once |
| #include <lib/core/CHIPPersistentStorageDelegate.h> |
| #include <system/SystemClock.h> |
| #include <system/SystemLayer.h> |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace PersistedStorage { |
| |
| class KeyValueStoreManagerImpl final : public KeyValueStoreManager |
| { |
| // Allow the KeyValueStoreManager interface class to delegate method calls to |
| // the implementation methods provided by this class. |
| friend class KeyValueStoreManager; |
| |
| public: |
| CHIP_ERROR Init(void); |
| CHIP_ERROR _Put(const char * key, const void * value, size_t value_size); |
| CHIP_ERROR _Get(const char * key, void * value, size_t value_size, size_t * read_bytes_size = nullptr, size_t offset = 0) const; |
| CHIP_ERROR _Delete(const char * key); |
| CHIP_ERROR ErasePartition(void); |
| |
| static constexpr size_t kMaxEntries = KVS_MAX_ENTRIES; |
| |
| static void ForceKeyMapSave(); |
| |
| private: |
| static void OnScheduledKeyMapSave(System::Layer * systemLayer, void * appState); |
| |
| void ScheduleKeyMapSave(void); |
| bool IsValidKvsNvm3Key(const uint32_t nvm3Key) const; |
| CHIP_ERROR MapKvsKeyToNvm3(const char * key, uint32_t & nvm3Key, bool isSlotNeeded = false) const; |
| |
| // ===== Members for internal use by the following friends. |
| friend KeyValueStoreManager & KeyValueStoreMgr(); |
| friend KeyValueStoreManagerImpl & KeyValueStoreMgrImpl(); |
| |
| static KeyValueStoreManagerImpl sInstance; |
| }; |
| |
| /** |
| * Returns the public interface of the KeyValueStoreManager singleton object. |
| * |
| * Chip applications should use this to access features of the KeyValueStoreManager object |
| * that are common to all platforms. |
| */ |
| inline KeyValueStoreManager & KeyValueStoreMgr(void) |
| { |
| return KeyValueStoreManagerImpl::sInstance; |
| } |
| |
| /** |
| * Returns the platform-specific implementation of the KeyValueStoreManager singleton object. |
| * |
| * Chip applications can use this to gain access to features of the KeyValueStoreManager |
| * that are specific to the ESP32 platform. |
| */ |
| inline KeyValueStoreManagerImpl & KeyValueStoreMgrImpl(void) |
| { |
| return KeyValueStoreManagerImpl::sInstance; |
| } |
| |
| } // namespace PersistedStorage |
| } // namespace DeviceLayer |
| } // namespace chip |