54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/*
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* Copyright (c) 2013, 2014, 2015, 2022 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* block.h
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* Blocks in the filesystem.
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*/
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#ifndef BLOCK_H
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#define BLOCK_H
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class Device;
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class Block
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{
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public:
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Block();
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Block(Device* device, uint32_t block_id);
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~Block();
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void Construct(Device* device, uint32_t block_id);
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void Destruct();
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public:
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Block* prev_block;
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Block* next_block;
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Block* prev_hashed;
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Block* next_hashed;
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Device* device;
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size_t reference_count;
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uint32_t block_id;
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uint8_t* block_data;
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public:
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void Refer();
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void Unref();
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void Use();
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void Unlink();
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void Prelink();
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};
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#endif
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