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56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
//
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// RawSectorDump.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 01/05/2021.
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// Copyright © 2021 Thomas Harte. All rights reserved.
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//
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#ifndef RawSectorDump_h
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#define RawSectorDump_h
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#include "../MassStorageDevice.hpp"
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#include "../../FileHolder.hpp"
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#include <cassert>
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namespace Storage {
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namespace MassStorage {
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template <size_t sector_size> class RawSectorDump: public MassStorageDevice {
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public:
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RawSectorDump(const std::string &file_name) : file_(file_name) {
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// Is the file a multiple of sector_size bytes in size?
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const auto file_size = size_t(file_.stats().st_size);
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if(file_size % sector_size) throw std::exception();
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}
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/* MassStorageDevices overrides. */
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size_t get_block_size() final {
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return sector_size;
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}
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size_t get_number_of_blocks() final {
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return size_t(file_.stats().st_size) / sector_size;
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}
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std::vector<uint8_t> get_block(size_t address) final {
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file_.seek(long(address * sector_size), SEEK_SET);
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return file_.read(sector_size);
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}
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void set_block(size_t address, const std::vector<uint8_t> &contents) final {
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assert(contents.size() == sector_size);
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file_.seek(long(address * sector_size), SEEK_SET);
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file_.write(contents);
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}
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private:
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FileHolder file_;
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};
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}
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}
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#endif /* RawSectorDump_h */
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