virtual ~W1Store();
static std::string get_dir_name(std::string device_id, plp::Date *ltime);
static std::string get_file_name(std::string device_id, plp::Date *ltime);
virtual ~W1Store();
static std::string get_dir_name(std::string device_id, plp::Date *ltime);
static std::string get_file_name(std::string device_id, plp::Date *ltime);