1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/// A generic result type, containing a value `T` or a `RadosError`.
pub type Result<T> = std::result::Result<T, RadosError>;
#[must_use]
pub fn maybe_err(value: i32) -> Result<()> {
(value >= 0).then_some(()).ok_or(value.into())
}
#[must_use]
pub fn maybe_err_or_val(value: i32) -> Result<u32> {
u32::try_from(value).map_err(|_| value.into())
}
/// A rados error.
#[derive(Debug, Clone, PartialEq)]
pub enum RadosError {
/// Entry could not be found.
///
/// This error is returned when the entry that an operation
/// requires (i.e. a pool, or an object) does not exist.
Noent,
/// Unknown.
///
/// A generic error that catches any unknown error codes.
Unknown(i32),
}
impl From<i32> for RadosError {
fn from(value: i32) -> Self {
let value = value.abs();
match value {
2 => Self::Noent,
v => Self::Unknown(v),
}
}
}