84 lines
2.3 KiB
C++
84 lines
2.3 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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* inode.h
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* Filesystem inode.
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*/
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#ifndef INODE_H
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#define INODE_H
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#include "iso9660.h"
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class Block;
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class Filesystem;
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class Inode
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{
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public:
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Inode(Filesystem* filesystem, iso9660_ino_t inode_id);
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~Inode();
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public:
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Inode* prev_inode;
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Inode* next_inode;
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Inode* prev_hashed;
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Inode* next_hashed;
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Block* data_block;
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struct iso9660_dirent* data;
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Filesystem* filesystem;
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size_t reference_count;
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size_t remote_reference_count;
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iso9660_ino_t inode_id;
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iso9660_ino_t parent_inode_id;
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uint32_t uid;
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uint32_t gid;
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uint64_t size;
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uint64_t time;
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uint32_t mode;
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uint32_t nlink;
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public:
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void Parse();
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uint32_t Mode();
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uint32_t UserId();
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uint32_t GroupId();
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uint64_t Size();
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uint64_t Time();
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Block* GetBlock(uint32_t offset);
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bool FindParentInode(uint64_t parent_lba, uint64_t parent_size);
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bool ReadDirectory(uint64_t* offset_inout, Block** block_inout,
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uint64_t* block_id_inout, char* name,
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uint8_t* file_type_out, iso9660_ino_t* inode_id_out);
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Inode* Open(const char* elem, int flags, mode_t mode);
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bool Link(const char* elem, Inode* dest);
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bool Unlink(const char* elem, bool directories, bool force=false);
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Inode* UnlinkKeep(const char* elem, bool directories, bool force=false);
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ssize_t ReadLink(uint8_t* buf, size_t bufsize);
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ssize_t ReadAt(uint8_t* buffer, size_t count, off_t offset);
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bool Rename(Inode* olddir, const char* oldname, const char* newname);
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bool RemoveDirectory(const char* path);
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void Refer();
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void Unref();
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void RemoteRefer();
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void RemoteUnref();
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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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