31 lines
778 B
C++
31 lines
778 B
C++
// (C) 2018-2024 by Folkert van Heusden
|
|
// Released under MIT license
|
|
|
|
#include <ArduinoJson.h>
|
|
#include <string>
|
|
|
|
#include "disk_backend.h"
|
|
|
|
|
|
class disk_backend_file : public disk_backend
|
|
{
|
|
private:
|
|
const std::string filename;
|
|
|
|
int fd { -1 };
|
|
|
|
public:
|
|
disk_backend_file(const std::string & filename);
|
|
virtual ~disk_backend_file();
|
|
|
|
JsonVariant serialize() const override;
|
|
static disk_backend_file *deserialize(const JsonVariantConst j);
|
|
|
|
std::string get_identifier() const override { return filename; }
|
|
|
|
bool begin(const bool snapshots) override;
|
|
|
|
bool read(const off_t offset, const size_t n, uint8_t *const target, const size_t sector_size) override;
|
|
|
|
bool write(const off_t offset, const size_t n, const uint8_t *const from, const size_t sector_size) override;
|
|
};
|