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use super::{
c_to_os,
traits::{ReplyKnown, ReplyOk, RequestMode, RequestName},
};
use crate::{io::Mode, proto, sealed::Sealed, Ino, Operation, Request};
use std::ffi::{CStr, OsStr};
pub enum Mknod {}
pub enum Mkdir {}
pub enum Unlink {}
pub enum Rmdir {}
pub enum Symlink {}
pub enum Link {}
pub trait RequestDevice<'o>: Operation<'o> {
fn device(request: &Request<'o, Self>) -> u32;
}
pub trait RequestTarget<'o>: Operation<'o> {
fn target<'a>(request: &'a Request<'o, Self>) -> &'a OsStr;
}
pub trait RequestLink<'o>: Operation<'o> {
fn source_ino(request: &Request<'o, Self>) -> Ino;
}
impl Sealed for Mknod {}
impl Sealed for Mkdir {}
impl Sealed for Unlink {}
impl Sealed for Rmdir {}
impl Sealed for Symlink {}
impl Sealed for Link {}
impl<'o> Operation<'o> for Mknod {
type RequestBody = (&'o proto::MknodIn, &'o CStr);
type ReplyState = ();
}
impl<'o> Operation<'o> for Mkdir {
type RequestBody = (&'o proto::MkdirIn, &'o CStr);
type ReplyState = ();
}
impl<'o> Operation<'o> for Unlink {
type RequestBody = &'o CStr;
type ReplyState = ();
}
impl<'o> Operation<'o> for Rmdir {
type RequestBody = &'o CStr;
type ReplyState = ();
}
impl<'o> Operation<'o> for Symlink {
type RequestBody = (&'o CStr, &'o CStr); // name(), target()
type ReplyState = ();
}
impl<'o> Operation<'o> for Link {
type RequestBody = (&'o proto::LinkIn, &'o CStr);
type ReplyState = ();
}
impl<'o> RequestName<'o> for Mknod {
fn name<'a>(request: &'a Request<'o, Self>) -> &'a OsStr {
let (_header, name) = request.body;
c_to_os(name)
}
}
impl<'o> RequestMode<'o> for Mknod {
fn mode(request: &Request<'o, Self>) -> Mode {
let (header, _name) = request.body;
Mode::from_bits_truncate(header.mode)
}
fn umask(request: &Request<'o, Self>) -> Mode {
let (header, _name) = request.body;
Mode::from_bits_truncate(header.umask)
}
}
impl<'o> RequestDevice<'o> for Mknod {
fn device(request: &Request<'o, Self>) -> u32 {
let (header, _name) = request.body;
header.device
}
}
impl<'o> ReplyKnown<'o> for Mknod {}
impl<'o> RequestName<'o> for Mkdir {
fn name<'a>(request: &'a Request<'o, Self>) -> &'a OsStr {
let (_header, name) = request.body;
c_to_os(name)
}
}
impl<'o> RequestMode<'o> for Mkdir {
fn mode(request: &Request<'o, Self>) -> Mode {
let (header, _name) = request.body;
Mode::from_bits_truncate(header.mode)
}
fn umask(request: &Request<'o, Self>) -> Mode {
let (header, _name) = request.body;
Mode::from_bits_truncate(header.umask)
}
}
impl<'o> ReplyKnown<'o> for Mkdir {}
impl<'o> RequestName<'o> for Unlink {
fn name<'a>(request: &'a Request<'o, Self>) -> &'a OsStr {
c_to_os(request.body)
}
}
impl<'o> ReplyOk<'o> for Unlink {}
impl<'o> RequestName<'o> for Rmdir {
fn name<'a>(request: &'a Request<'o, Self>) -> &'a OsStr {
c_to_os(request.body)
}
}
impl<'o> ReplyOk<'o> for Rmdir {}
impl<'o> RequestName<'o> for Symlink {
fn name<'a>(request: &'a Request<'o, Self>) -> &'a OsStr {
let (name, _target) = request.body;
c_to_os(name)
}
}
impl<'o> RequestTarget<'o> for Symlink {
fn target<'a>(request: &'a Request<'o, Self>) -> &'a OsStr {
let (_name, target) = request.body;
c_to_os(target)
}
}
impl<'o> ReplyKnown<'o> for Symlink {}
impl<'o> RequestName<'o> for Link {
fn name<'a>(request: &'a Request<'o, Self>) -> &'a OsStr {
let (_header, name) = request.body;
c_to_os(name)
}
}
impl<'o> RequestLink<'o> for Link {
fn source_ino(request: &Request<'o, Self>) -> Ino {
let (header, _name) = request.body;
Ino(header.old_ino)
}
}
impl<'o> ReplyKnown<'o> for Link {}
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