67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
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/*
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* IParamStorage.h
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*
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* Created on: 21 нояб. 2018 г.
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* Author: titov
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*/
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#ifndef SOURCE_DRIVER_IPARAMSTORAGE_H_
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#define SOURCE_DRIVER_IPARAMSTORAGE_H_
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#include <cstddef>
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#include <utility>
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#include <exception>
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#include "../systemic/IParameterProvider.hh"
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namespace driver {
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struct IParamStorage : public systemic::IParameterProvider {
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/*!\brief Запись данных на энергонезависимую память.
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*/
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virtual void flush() = 0;
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/*!\brief Чтение данных с энергонезависимой памяти.
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*/
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virtual void load() = 0;
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/*!\brief Функция проверки соотвествия данных в текущей памяти и ПЗУ.
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* \return Признак соотвествия.
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*/
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virtual bool isDataSync() const = 0;
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/*!\brief Очистка структуры данных.
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*/
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virtual void clear() = 0;
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};
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}
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#include "../systemic/SystemException.hh"
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namespace {
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struct LackOfMemory : public systemic::SystemException {
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typedef systemic::IParameterProvider::Id Id;
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std::size_t requested_memory;
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Id param_id;
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LackOfMemory( std::size_t mem, Id id ) : requested_memory(mem), param_id(id) {}
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std::size_t id() const noexcept { return 403; }
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const char * what() const noexcept { return "lack of memory in storage"; }
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std::pair<const char *, std::size_t> binary() const noexcept {
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return { reinterpret_cast<const char *>( &requested_memory ), sizeof(std::size_t) + sizeof(Id) };
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}
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};
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}
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#endif /* SOURCE_DRIVER_IPARAMSTORAGE_H_ */
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