Struct IpcScheme 

pub struct IpcScheme { /* private fields */ }

IPC-based scheme: forwards operations to a userspace server via IPC.

Implementations

impl IpcScheme

pub fn new(port_id: PortId) -> Self

Creates a new instance.

Trait Implementations

impl Scheme for IpcScheme

fn open(&self, path: &str, flags: OpenFlags) -> Result<OpenResult, SyscallError>

Performs the open operation.

fn read( &self, file_id: u64, offset: u64, buf: &mut [u8], ) -> Result<usize, SyscallError>

Performs the read operation.

fn write( &self, file_id: u64, offset: u64, buf: &[u8], ) -> Result<usize, SyscallError>

Performs the write operation.

fn close(&self, file_id: u64) -> Result<(), SyscallError>

Performs the close operation.

fn create_file(&self, path: &str, mode: u32) -> Result<OpenResult, SyscallError>

Creates file.

fn create_directory( &self, path: &str, mode: u32, ) -> Result<OpenResult, SyscallError>

Creates directory.

fn unlink(&self, path: &str) -> Result<(), SyscallError>

Performs the unlink operation.

fn readdir(&self, file_id: u64) -> Result<Vec<DirEntry>, SyscallError>

Performs the readdir operation.

fn size(&self, file_id: u64) -> Result<u64, SyscallError>

Get file size (if supported).

fn truncate(&self, file_id: u64, new_size: u64) -> Result<(), SyscallError>

Truncate/resize a file (if supported).

fn sync(&self, file_id: u64) -> Result<(), SyscallError>

Sync file to storage (if applicable).

fn stat(&self, file_id: u64) -> Result<FileStat, SyscallError>

Get metadata for an open file.

fn rename(&self, old_path: &str, new_path: &str) -> Result<(), SyscallError>

Rename/move an entry within this scheme.

fn chmod(&self, path: &str, mode: u32) -> Result<(), SyscallError>

Change permission bits on a path.

fn fchmod(&self, file_id: u64, mode: u32) -> Result<(), SyscallError>

Change permission bits on an open file handle.

fn link(&self, old_path: &str, new_path: &str) -> Result<(), SyscallError>

Create a hard link.

fn symlink(&self, target: &str, link_path: &str) -> Result<(), SyscallError>

Create a symbolic link.

fn readlink(&self, path: &str) -> Result<String, SyscallError>

Read the target of a symbolic link.