parent
30b122fc71
commit
b2371f467f
@ -0,0 +1,83 @@
|
|||||||
|
//! Datatypes for the program
|
||||||
|
use super::*;
|
||||||
|
use std::fs::Metadata;
|
||||||
|
|
||||||
|
mod cache; pub use cache::*;
|
||||||
|
|
||||||
|
/// A raw file or directory inode number
|
||||||
|
///
|
||||||
|
/// Ususally created from the `.inode()` extension method on `fs::Metadata` found in prelude.
|
||||||
|
/// Can also be created with `new()` from a `fs::Metadata` reference, or created unsafely from an arbitrary `u64` with `new_unchecked`.
|
||||||
|
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Copy)]
|
||||||
|
#[repr(transparent)]
|
||||||
|
pub struct INode(u64);
|
||||||
|
|
||||||
|
impl INode
|
||||||
|
{
|
||||||
|
/// Create a new `INode` wrapper from any `u64` without checking if it is a real inode.
|
||||||
|
#[inline] pub const unsafe fn new_unchecked(ino: u64) -> Self
|
||||||
|
{
|
||||||
|
Self(ino)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Get `ino` from an `fs::Metadata` object.
|
||||||
|
#[inline] pub fn new(meta: &Metadata) -> Self
|
||||||
|
{
|
||||||
|
use std::os::unix::fs::MetadataExt as _;
|
||||||
|
Self(meta.ino())
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Convert into raw `u64` inode number.
|
||||||
|
#[inline] pub const fn into_inner(self) -> u64
|
||||||
|
{
|
||||||
|
self.0
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<'a> From<&'a Metadata> for INode
|
||||||
|
{
|
||||||
|
#[inline] fn from(from: &'a Metadata) -> Self
|
||||||
|
{
|
||||||
|
from.inode()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<INode> for u64
|
||||||
|
{
|
||||||
|
#[inline] fn from(from: INode) -> Self
|
||||||
|
{
|
||||||
|
from.0
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A valid file system info
|
||||||
|
///
|
||||||
|
/// # Note
|
||||||
|
/// This does not contains the INode of the fs object itself, that is considered that key to the table.
|
||||||
|
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
|
||||||
|
pub enum FsInfo
|
||||||
|
{
|
||||||
|
File(u64, INode), //Size, parent dir inode
|
||||||
|
Directory,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests
|
||||||
|
{
|
||||||
|
use super::*;
|
||||||
|
#[tokio::test]
|
||||||
|
async fn cache_insert_and_consume()
|
||||||
|
{
|
||||||
|
let mut cache = Cache::new();
|
||||||
|
for x in 0..500
|
||||||
|
{
|
||||||
|
cache.insert(unsafe { INode::new_unchecked(x) }, FsInfo::Directory).await;
|
||||||
|
}
|
||||||
|
let output = cache.try_complete().await.unwrap();
|
||||||
|
assert_eq!(output.len(), 500);
|
||||||
|
for x in 0..500
|
||||||
|
{
|
||||||
|
assert_eq!(output.get(&unsafe { INode::new_unchecked(x) }).unwrap(), &FsInfo::Directory);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in new issue