58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
#pragma once
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#include "IPersistenceManager.h"
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#include <string>
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#include <unordered_map>
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#include <nvs.h>
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#include <nvs_flash.h>
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/**
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* @class PersistenceManager
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* @brief ESP32-specific implementation using NVS (Non-Volatile Storage)
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* @details This implementation uses ESP32's NVS API for persistent storage
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* in flash memory, providing a platform-optimized solution for
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* embedded systems.
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*/
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class PersistenceManager final : public IPersistenceManager
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{
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private:
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nvs_handle_t nvs_handle_;
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std::string namespace_;
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bool initialized_;
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public:
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explicit PersistenceManager(const std::string &nvs_namespace = "config");
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~PersistenceManager() override;
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bool HasKey(const std::string &key) const override;
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void RemoveKey(const std::string &key) override;
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void Clear() override;
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size_t GetKeyCount() const override;
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bool Save() override;
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bool Load() override;
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bool Initialize();
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void Deinitialize();
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bool IsInitialized() const
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{
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return initialized_;
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}
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protected:
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void SetValueImpl(const std::string &key, bool value) override;
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void SetValueImpl(const std::string &key, int value) override;
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void SetValueImpl(const std::string &key, float value) override;
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void SetValueImpl(const std::string &key, double value) override;
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void SetValueImpl(const std::string &key, const std::string &value) override;
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bool GetValueImpl(const std::string &key, bool defaultValue) const override;
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int GetValueImpl(const std::string &key, int defaultValue) const override;
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float GetValueImpl(const std::string &key, float defaultValue) const override;
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double GetValueImpl(const std::string &key, double defaultValue) const override;
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std::string GetValueImpl(const std::string &key, const std::string &defaultValue) const override;
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private:
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bool EnsureInitialized() const;
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}; |