26 lines
1022 B
C++
26 lines
1022 B
C++
#pragma once
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/event_groups.h"
|
|
#include <memory>
|
|
|
|
typedef bool(*FilterFunc)(const std::string& key);
|
|
typedef void (*KeyValueProcessor)(void* arg, const std::string& key, const std::string& value);
|
|
|
|
class KVStorageHandler {
|
|
public:
|
|
virtual ~KVStorageHandler() = default;
|
|
|
|
virtual void init(const EventGroupHandle_t& system_event_group) = 0;
|
|
|
|
// Store a key-value pair
|
|
virtual void put(const std::string& key, const std::string& value) = 0;
|
|
|
|
// Retrieve a value by key, returns empty string if key not found
|
|
virtual std::string get(const std::string& key) const = 0;
|
|
virtual esp_err_t process_all(KeyValueProcessor processor, void* arg) const = 0;
|
|
virtual esp_err_t process_filtered(const std::string& key_prefix, KeyValueProcessor processor, void* arg) const = 0;
|
|
virtual esp_err_t process_filtered(FilterFunc filter_func, KeyValueProcessor processor, void* arg) const = 0;
|
|
|
|
// Delete a key-value pair
|
|
virtual void remove(const std::string& key) = 0;
|
|
}; |