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ableos-framebuffer/ableos/src/handle.rs

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Rust

/*
* Copyright (c) 2022, Umut İnan Erdoğan <umutinanerdogan@pm.me>
*
* SPDX-License-Identifier: MPL-2.0
*/
//! A handle is a u128 with a set of permissions
//! and a resource connected to it
use crate::arch::generate_process_pass;
use core::fmt::Display;
#[derive(Debug)]
pub struct BinaryData {
_name: String,
_data: Vec<u8>,
}
#[derive(Debug, Eq, Hash, PartialEq, Clone, Copy)]
pub enum HandleResource {
Channel,
Socket,
BinaryData,
StorageDevice,
FileDescriptor,
FsNode,
}
#[derive(Debug, Eq, Hash, PartialEq, Clone, Copy)]
pub struct Handle {
pub inner: u128,
pub res: HandleResource,
}
impl Display for Handle {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "Handle-{:032x}", self.inner)?;
match &self.res {
HandleResource::Channel => write!(f, "-Channel")?,
HandleResource::BinaryData => write!(f, "-Binary")?,
HandleResource::Socket => write!(f, "-Socket")?,
HandleResource::StorageDevice => write!(f, "-StorageDevice")?,
HandleResource::FileDescriptor => write!(f, "-FileDescriptor")?,
HandleResource::FsNode => write!(f, "-FsNode")?,
}
Ok(())
}
}
impl Handle {
pub fn new(htype: HandleResource) -> Self {
// FIXME: check if inner collides
Self {
inner: generate_process_pass(),
res: htype,
}
}
}