Struct RamFileSystem 

pub struct RamFileSystem {
    pub(crate) inodes: RwLock<BTreeMap<u64, Arc<RamInode>>>,
    pub(crate) next_inode: AtomicU64,
    pub(crate) capabilities: FsCapabilities,
}

Fields

inodes: RwLock<BTreeMap<u64, Arc<RamInode>>>

next_inode: AtomicU64

capabilities: FsCapabilities

Implementations

impl RamFileSystem

pub fn new() -> Self

Creates a new instance.

pub(crate) fn get_node(&self, ino: u64) -> FsResult<Arc<RamInode>>

Returns node.

pub(crate) fn allocate_inode(&self, node: RamNode) -> u64

Implements allocate inode.

pub(crate) fn lookup_child_inode( &self, parent_ino: u64, name: &str, ) -> FsResult<u64>

Implements lookup child inode.

pub fn resolve_path_internal(&self, path: &str) -> FsResult<u64>

Internal helper to resolve path to inode (used by IPC server)

pub(crate) fn to_file_mode(mode: u32) -> u32

Converts this value to file mode.

pub(crate) fn to_dir_mode(mode: u32) -> u32

Converts this value to dir mode.

pub fn register_open(&self, ino: u64) -> FsResult<()>

Implements register open.

pub fn unregister_open(&self, ino: u64) -> FsResult<()>

Implements unregister open.

pub(crate) fn is_open(&self, ino: u64) -> bool

Returns whether open.

pub(crate) fn directory_contains_inode( &self, root_dir_ino: u64, target_ino: u64, ) -> FsResult<bool>

Implements directory contains inode.

pub(crate) fn collect_if_detached(&self, ino: u64) -> FsResult<()>

Implements collect if detached.

pub(crate) fn collect_detached_subtree(&self, ino: u64) -> FsResult<()>

Implements collect detached subtree.

Trait Implementations

impl VfsFileSystem for RamFileSystem

fn fs_type(&self) -> &'static str

Implements fs type.

fn capabilities(&self) -> &FsCapabilities

Implements capabilities.

fn root_inode(&self) -> u64

Implements root inode.

fn get_volume_info(&self) -> FsResult<VfsVolumeInfo>

Returns volume info.

fn stat(&self, ino: u64) -> FsResult<VfsFileInfo>

Implements stat.

fn lookup(&self, parent_ino: u64, name: &str) -> FsResult<VfsFileInfo>

Implements lookup.

fn resolve_path(&self, path: &str) -> FsResult<u64>

Implements resolve path.

fn read(&self, ino: u64, offset: u64, buf: &mut [u8]) -> FsResult<usize>

Implements read.

fn write(&self, ino: u64, offset: u64, data: &[u8]) -> FsResult<usize>

Implements write.

fn readdir(&self, ino: u64) -> FsResult<Vec<VfsDirEntry>>

Implements readdir.

fn create_file( &self, parent_ino: u64, name: &str, mode: u32, ) -> FsResult<VfsFileInfo>

Implements create file.

fn create_directory( &self, parent_ino: u64, name: &str, mode: u32, ) -> FsResult<VfsFileInfo>

Implements create directory.

fn unlink(&self, parent_ino: u64, name: &str, target_ino: u64) -> FsResult<()>

Implements unlink.

fn rename( &self, old_parent: u64, old_name: &str, new_parent: u64, new_name: &str, flags: RenameFlags, ) -> FsResult<()>

Implements rename.

fn set_size(&self, ino: u64, size: u64) -> FsResult<()>

Sets size.

fn set_times( &self, ino: u64, _atime: Option<VfsTimestamp>, _mtime: Option<VfsTimestamp>, ) -> FsResult<()>

Sets times.

fn readlink(&self, _ino: u64) -> FsResult<String>

Implements readlink.

fn invalidate_inode(&self, _ino: u64)

Implements invalidate inode.

fn invalidate_all_caches(&self)

Implements invalidate all caches.

fn sync(&self) -> Result<(), FsError>

Synchronizes all pending writes to disk.

fn create_symlink( &self, parent_ino: u64, name: &str, target: &str, ) -> Result<VfsFileInfo, FsError>

Creates a symbolic link.

fn link( &self, target_ino: u64, parent_ino: u64, name: &str, ) -> Result<VfsFileInfo, FsError>

Creates a hard link.