2016-07-10 12:54:39 +00:00
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//
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// Disk.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 10/07/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#include "Disk.hpp"
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2016-11-26 06:27:06 +00:00
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using namespace Storage::Disk;
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std::shared_ptr<Track> Disk::get_track_at_position(unsigned int head, unsigned int position)
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{
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int address = (int)(position * get_head_count() + head);
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std::map<int, std::shared_ptr<Track>>::iterator cached_track = cached_tracks_.find(address);
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if(cached_track != cached_tracks_.end()) return cached_track->second;
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std::shared_ptr<Track> track = virtual_get_track_at_position(head, position);
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cached_tracks_[address] = track;
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return track;
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}
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