Struct MemFs 

pub struct MemFs { /* private fields */ }

An in-memory filesystem.

Implementations

impl MemFs

pub fn new() -> Self

Create a new in-memory filesystem with an empty root directory.

Trait Implementations

impl Default for MemFs

fn default() -> Self

Returns the “default value” for a type.

impl NfsFileSystem for MemFs

fn stat<'life0, 'async_trait>( &'life0 self, id: FileId, ) -> Pin<Box<dyn Future<Output = NfsResult<NodeInfo>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Return minimal information about an object.

fn lookup<'life0, 'life1, 'async_trait>( &'life0 self, dir_id: FileId, name: &'life1 str, ) -> Pin<Box<dyn Future<Output = NfsResult<FileId>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Look up a child entry by name in a directory.

fn lookup_parent<'life0, 'async_trait>( &'life0 self, id: FileId, ) -> Pin<Box<dyn Future<Output = NfsResult<FileId>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Look up the parent of an object.

fn readdir<'life0, 'async_trait>( &'life0 self, dir_id: FileId, ) -> Pin<Box<dyn Future<Output = NfsResult<Vec<DirEntry>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

List a directory’s entries.

fn read<'life0, 'async_trait>( &'life0 self, id: FileId, offset: u64, count: u32, ) -> Pin<Box<dyn Future<Output = NfsResult<(Vec<u8>, bool)>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Read file data.

fn write<'life0, 'life1, 'async_trait>( &'life0 self, id: FileId, offset: u64, data: &'life1 [u8], ) -> Pin<Box<dyn Future<Output = NfsResult<u32>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Write file data. Returns bytes written.

fn truncate<'life0, 'async_trait>( &'life0 self, id: FileId, size: u64, ) -> Pin<Box<dyn Future<Output = NfsResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Truncate or extend a file to the given size.

fn create_file<'life0, 'life1, 'async_trait>( &'life0 self, dir_id: FileId, name: &'life1 str, ) -> Pin<Box<dyn Future<Output = NfsResult<FileId>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Create a regular file and return its FileId.

fn create_dir<'life0, 'life1, 'async_trait>( &'life0 self, dir_id: FileId, name: &'life1 str, ) -> Pin<Box<dyn Future<Output = NfsResult<FileId>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Create a directory and return its FileId.

fn remove<'life0, 'life1, 'async_trait>( &'life0 self, dir_id: FileId, name: &'life1 str, ) -> Pin<Box<dyn Future<Output = NfsResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Remove a file or empty directory by name.

fn rename<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, from_dir: FileId, from_name: &'life1 str, to_dir: FileId, to_name: &'life2 str, ) -> Pin<Box<dyn Future<Output = NfsResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Rename or move an entry.

fn symlinks(&self) -> Option<&dyn NfsSymlinks>

Optional symlink capability.

fn hard_links(&self) -> Option<&dyn NfsHardLinks>

Optional hard-link capability.

fn named_attrs(&self) -> Option<&dyn NfsNamedAttrs>

Optional named-attribute capability.

fn syncer(&self) -> Option<&dyn NfsSync>

Optional explicit flush capability.

fn root(&self) -> FileId

Return the root object ID. The default root is 1.

fn fs_info(&self) -> FsInfo

Filesystem-level information.

impl NfsHardLinks for MemFs

fn link<'life0, 'life1, 'async_trait>( &'life0 self, id: FileId, dir_id: FileId, name: &'life1 str, ) -> Pin<Box<dyn Future<Output = NfsResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Create a hard link to an existing file.

impl NfsNamedAttrs for MemFs

fn list_xattrs<'life0, 'async_trait>( &'life0 self, id: FileId, ) -> Pin<Box<dyn Future<Output = NfsResult<Vec<String>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

List all named attributes attached to an object.

fn get_xattr<'life0, 'life1, 'async_trait>( &'life0 self, id: FileId, name: &'life1 str, ) -> Pin<Box<dyn Future<Output = NfsResult<Vec<u8>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Fetch a full named-attribute value.

fn set_xattr<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, id: FileId, name: &'life1 str, value: &'life2 [u8], mode: XattrSetMode, ) -> Pin<Box<dyn Future<Output = NfsResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Set or replace a named-attribute value.

fn remove_xattr<'life0, 'life1, 'async_trait>( &'life0 self, id: FileId, name: &'life1 str, ) -> Pin<Box<dyn Future<Output = NfsResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Remove a named attribute.

impl NfsSymlinks for MemFs

fn symlink<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, dir_id: FileId, name: &'life1 str, target: &'life2 str, ) -> Pin<Box<dyn Future<Output = NfsResult<FileId>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Create a symlink in a directory and return its FileId.

fn readlink<'life0, 'async_trait>( &'life0 self, id: FileId, ) -> Pin<Box<dyn Future<Output = NfsResult<String>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Read a symlink target.

impl NfsSync for MemFs

fn commit<'life0, 'async_trait>( &'life0 self, _id: FileId, ) -> Pin<Box<dyn Future<Output = NfsResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Flush any buffered data for a file.