85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2013.
|
|
|
|
This program is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by the Free
|
|
Software Foundation, either version 3 of the License, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
inode.h
|
|
Filesystem inode.
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef INODE_H
|
|
#define INODE_H
|
|
|
|
class Block;
|
|
class Filesystem;
|
|
|
|
class Inode
|
|
{
|
|
public:
|
|
Inode(Filesystem* filesystem, uint32_t inode_id);
|
|
~Inode();
|
|
|
|
public:
|
|
Inode* prev_inode;
|
|
Inode* next_inode;
|
|
Block* data_block;
|
|
struct ext_inode* data;
|
|
Filesystem* filesystem;
|
|
size_t reference_count;
|
|
size_t remote_reference_count;
|
|
uint32_t inode_id;
|
|
bool dirty;
|
|
|
|
public:
|
|
uint32_t Mode();
|
|
uint32_t UserId();
|
|
uint32_t GroupId();
|
|
uint64_t Size();
|
|
void SetMode(uint32_t mode);
|
|
void SetUserId(uint32_t user);
|
|
void SetGroupId(uint32_t group);
|
|
void SetSize(uint64_t new_size);
|
|
void Truncate(uint64_t new_size);
|
|
bool FreeIndirect(uint64_t from, uint64_t offset, uint32_t block_id,
|
|
int indirection, uint64_t entry_span);
|
|
Block* GetBlock(uint64_t offset);
|
|
Block* GetBlockFromTable(Block* table, uint32_t index);
|
|
Inode* Open(const char* elem, int flags, mode_t mode);
|
|
bool Link(const char* elem, Inode* dest, bool directories);
|
|
Inode* Unlink(const char* elem, bool directories, bool force=false);
|
|
ssize_t ReadAt(uint8_t* buffer, size_t count, off_t offset);
|
|
ssize_t WriteAt(const uint8_t* buffer, size_t count, off_t offset);
|
|
bool Rename(Inode* olddir, const char* oldname, const char* newname);
|
|
Inode* CreateDirectory(const char* path, mode_t mode);
|
|
bool RemoveDirectory(const char* path);
|
|
bool IsEmptyDirectory();
|
|
void Refer();
|
|
void Unref();
|
|
void RemoteRefer();
|
|
void RemoteUnref();
|
|
void Sync();
|
|
void Dirty();
|
|
void Use();
|
|
void Unlink();
|
|
void Prelink();
|
|
void Linked();
|
|
void Unlinked();
|
|
void Delete();
|
|
|
|
};
|
|
|
|
#endif
|