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
38
39
40
41
42
43
44
45
46
47
48
use hyper::server::{Request, Response};
use hyper::{Error as HyperError, StatusCode};
use std::io::{self, ErrorKind as IoErrorKind};
#[derive(Debug)]
pub enum Error {
Io(io::Error),
Method,
Typo,
Route,
}
impl Error {
pub fn not_found() -> Self {
Error::Io(io::Error::from(IoErrorKind::NotFound))
}
}
impl Into<Error> for io::Error {
fn into(self) -> Error {
Error::Io(self)
}
}
pub fn error_handler(err_req: (Error, Request)) -> Result<(Response, Request), HyperError> {
use Error::*;
let (err, req) = err_req;
Ok((
Response::new().with_status(match err {
Io(i) => match i.kind() {
IoErrorKind::NotFound => StatusCode::NotFound,
IoErrorKind::PermissionDenied => StatusCode::Forbidden,
_ => StatusCode::InternalServerError,
},
Method => StatusCode::MethodNotAllowed,
Typo | Route => StatusCode::InternalServerError,
}),
req,
))
}