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use super::sys_impl::oshandle::RawOsHandle;
use super::{fd, path, AsFile};
use crate::handle::{Handle, HandleRights};
use crate::wasi::{types, Errno, Result};
use log::{debug, error};
use std::any::Any;
use std::io;
use std::ops::Deref;
pub use super::sys_impl::osdir::OsDir;
impl Deref for OsDir {
type Target = RawOsHandle;
fn deref(&self) -> &Self::Target {
&self.handle
}
}
impl Handle for OsDir {
fn as_any(&self) -> &dyn Any {
self
}
fn try_clone(&self) -> io::Result<Box<dyn Handle>> {
let handle = self.handle.try_clone()?;
let new = Self::new(self.rights.get(), handle)?;
Ok(Box::new(new))
}
fn get_file_type(&self) -> types::Filetype {
types::Filetype::Directory
}
fn get_rights(&self) -> HandleRights {
self.rights.get()
}
fn set_rights(&self, rights: HandleRights) {
self.rights.set(rights)
}
fn fdstat_get(&self) -> Result<types::Fdflags> {
fd::fdstat_get(&*self.as_file()?)
}
fn fdstat_set_flags(&self, fdflags: types::Fdflags) -> Result<()> {
if let Some(new_file) = fd::fdstat_set_flags(&*self.as_file()?, fdflags)? {
self.handle.update_from(new_file);
}
Ok(())
}
fn filestat_get(&self) -> Result<types::Filestat> {
fd::filestat_get(&*self.as_file()?)
}
fn filestat_set_times(
&self,
atim: types::Timestamp,
mtim: types::Timestamp,
fst_flags: types::Fstflags,
) -> Result<()> {
fd::filestat_set_times(&*self.as_file()?, atim, mtim, fst_flags)
}
fn readdir<'a>(
&'a self,
cookie: types::Dircookie,
) -> Result<Box<dyn Iterator<Item = Result<(types::Dirent, String)>> + 'a>> {
fd::readdir(self, cookie)
}
fn create_directory(&self, path: &str) -> Result<()> {
path::create_directory(self, path)
}
fn filestat_get_at(&self, path: &str, follow: bool) -> Result<types::Filestat> {
path::filestat_get_at(self, path, follow)
}
fn filestat_set_times_at(
&self,
path: &str,
atim: types::Timestamp,
mtim: types::Timestamp,
fst_flags: types::Fstflags,
follow: bool,
) -> Result<()> {
path::filestat_set_times_at(self, path, atim, mtim, fst_flags, follow)
}
fn openat(
&self,
path: &str,
read: bool,
write: bool,
oflags: types::Oflags,
fd_flags: types::Fdflags,
) -> Result<Box<dyn Handle>> {
path::open(self, path, read, write, oflags, fd_flags)
}
fn link(
&self,
old_path: &str,
new_handle: Box<dyn Handle>,
new_path: &str,
follow: bool,
) -> Result<()> {
let new_handle = match new_handle.as_any().downcast_ref::<Self>() {
None => {
error!("Tried to link with handle that's not an OsDir");
return Err(Errno::Badf);
}
Some(handle) => handle,
};
path::link(self, old_path, new_handle, new_path, follow)
}
fn symlink(&self, old_path: &str, new_path: &str) -> Result<()> {
path::symlink(old_path, self, new_path)
}
fn readlink(&self, path: &str, buf: &mut [u8]) -> Result<usize> {
path::readlink(self, path, buf)
}
fn readlinkat(&self, path: &str) -> Result<String> {
path::readlinkat(self, path)
}
fn rename(&self, old_path: &str, new_handle: Box<dyn Handle>, new_path: &str) -> Result<()> {
let new_handle = match new_handle.as_any().downcast_ref::<Self>() {
None => {
error!("Tried to rename with handle that's not an OsDir");
return Err(Errno::Badf);
}
Some(handle) => handle,
};
debug!("rename (old_dirfd, old_path)=({:?}, {:?})", self, old_path);
debug!(
"rename (new_dirfd, new_path)=({:?}, {:?})",
new_handle, new_path
);
path::rename(self, old_path, new_handle, new_path)
}
fn remove_directory(&self, path: &str) -> Result<()> {
debug!("remove_directory (dirfd, path)=({:?}, {:?})", self, path);
path::remove_directory(self, path)
}
fn unlink_file(&self, path: &str) -> Result<()> {
path::unlink_file(self, path)
}
}