/* * * 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. */ #pragma once #include "platform/internal/DeviceNetworkInfo.h" #include #include #include "nvs.h" #include "nvs_flash.h" namespace chip { namespace DeviceLayer { namespace Internal { class ScopedNvsHandle { public: ScopedNvsHandle() : mIsOpen(false) {} ~ScopedNvsHandle() { Close(); } CHIP_ERROR Open(const char * name, nvs_open_mode_t open_mode, const char * partition_label = NVS_DEFAULT_PART_NAME) { esp_err_t err = nvs_open_from_partition(partition_label, name, open_mode, &mHandle); if (err == ESP_OK) { mIsOpen = true; return CHIP_NO_ERROR; } return ESP32Utils::MapError(err); } void Close() { if (mIsOpen) { nvs_close(mHandle); mIsOpen = false; } } bool IsOpen() const { return mIsOpen; } operator nvs_handle_t() const { return mHandle; } private: bool mIsOpen; nvs_handle_t mHandle; }; } // namespace Internal } // namespace DeviceLayer } // namespace chip