forked from Bananymous/banan-os
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
#pragma once
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#include <BAN/Function.h>
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#include <BAN/Iteration.h>
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#include <BAN/WeakPtr.h>
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#include <kernel/FS/FAT/Definitions.h>
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#include <kernel/FS/Inode.h>
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namespace Kernel
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{
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class FATFS;
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class FATInode final : public Inode, public BAN::Weakable<FATInode>
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{
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public:
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virtual ino_t ino() const override { return m_ino; };
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virtual Mode mode() const override { return Mode { ((m_entry.attr & FAT::FileAttr::DIRECTORY) ? Mode::IFDIR : Mode::IFREG) | 0777 }; }
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virtual nlink_t nlink() const override { return 1; }
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virtual uid_t uid() const override { return 0; }
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virtual gid_t gid() const override { return 0; }
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virtual off_t size() const override { return m_entry.file_size; }
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virtual timespec atime() const override;
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virtual timespec mtime() const override;
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virtual timespec ctime() const override;
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virtual blksize_t blksize() const override;
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virtual blkcnt_t blocks() const override { return m_block_count; }
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virtual dev_t dev() const override { return 0; }
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virtual dev_t rdev() const override { return 0; }
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virtual const FileSystem* filesystem() const override;
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const FAT::DirectoryEntry& entry() const { return m_entry; }
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protected:
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virtual BAN::ErrorOr<BAN::RefPtr<Inode>> find_inode_impl(BAN::StringView) override;
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virtual BAN::ErrorOr<size_t> list_next_inodes_impl(off_t, struct dirent*, size_t) override;
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//virtual BAN::ErrorOr<void> create_file_impl(BAN::StringView, mode_t, uid_t, gid_t) override;
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//virtual BAN::ErrorOr<void> create_directory_impl(BAN::StringView, mode_t, uid_t, gid_t) override;
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//virtual BAN::ErrorOr<void> unlink_impl(BAN::StringView) override;
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virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
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//virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
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//virtual BAN::ErrorOr<void> truncate_impl(size_t) override;
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//virtual BAN::ErrorOr<void> chmod_impl(mode_t) override;
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virtual BAN::ErrorOr<void> fsync_impl() override { return {}; }
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virtual bool can_read_impl() const override { return true; }
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virtual bool can_write_impl() const override { return true; }
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virtual bool has_error_impl() const override { return false; }
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private:
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FATInode(FATFS& fs, const FAT::DirectoryEntry& entry, ino_t ino, uint32_t block_count)
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: m_fs(fs)
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, m_entry(entry)
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, m_ino(ino)
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, m_block_count(block_count)
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{ }
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~FATInode() {}
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BAN::ErrorOr<void> for_each_directory_entry(BAN::ConstByteSpan, BAN::Function<BAN::Iteration(const FAT::DirectoryEntry&)>);
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BAN::ErrorOr<void> for_each_directory_entry(BAN::ConstByteSpan, BAN::Function<BAN::Iteration(const FAT::DirectoryEntry&, BAN::String, uint32_t)>);
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private:
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FATFS& m_fs;
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FAT::DirectoryEntry m_entry;
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const ino_t m_ino;
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uint32_t m_block_count;
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friend class Ext2FS;
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friend class BAN::RefPtr<FATInode>;
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};
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}
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