Struct DevNode

pub struct DevNode {
    name: String,
    file_type: FileType,
    file_id: u64,
    children: RwLock<BTreeMap<String, Arc<DevNode>>>,
    filesystem: RwLock<Option<Weak<dyn FileSystemOperations>>>,
}

A node in the DevFS filesystem

Fields

name: String

Node name

file_type: FileType

File type

file_id: u64

File ID

children: RwLock<BTreeMap<String, Arc<DevNode>>>

Child nodes (for directories)

filesystem: RwLock<Option<Weak<dyn FileSystemOperations>>>

Reference to filesystem

Implementations

impl DevNode

pub fn new_directory(name: String) -> Self

Create a new directory node

pub fn new_device_file(name: String, file_type: FileType, file_id: u64) -> Self

Create a new device file node

pub fn set_filesystem(&self, fs: Weak<dyn FileSystemOperations>)

Set filesystem reference

pub fn add_child( &self, name: String, child: Arc<DevNode>, ) -> Result<(), FileSystemError>

Add a child node

pub fn get_child(&self, name: &str) -> Option<Arc<DevNode>>

Get a child by name

pub fn clear_children(&self)

Clear all children (for dynamic updates)

pub fn readdir(&self) -> Result<Vec<DirectoryEntryInternal>, FileSystemError>

Read directory contents

pub fn open(&self) -> Result<Arc<dyn FileObject>, FileSystemError>

Open the node as a file object

Trait Implementations

impl Clone for DevNode

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl VfsNode for DevNode

fn id(&self) -> u64

Returns the unique identifier in the filesystem

fn metadata(&self) -> Result<FileMetadata, FileSystemError>

Get metadata for this node

fn filesystem(&self) -> Option<Weak<dyn FileSystemOperations>>

Returns a (Weak) reference to the filesystem this node belongs to

fn as_any(&self) -> &dyn Any

Helper for downcasting

fn file_type(&self) -> Result<FileType, FileSystemError>

Get the file type of this node

fn is_directory(&self) -> Result<bool, FileSystemError>

Returns true if this node is a directory

fn is_symlink(&self) -> Result<bool, FileSystemError>

Returns true if this node is a symbolic link

fn read_link(&self) -> Result<String, FileSystemError>

Read the target of a symbolic link (returns error if not a symlink)