tokio_ping/
errors.rs

1use std::fmt;
2
3use failure::{Fail, Context, Backtrace};
4
5#[derive(Debug)]
6pub struct Error {
7    inner: Context<ErrorKind>
8}
9
10impl Fail for Error {
11    fn cause(&self) -> Option<&Fail> {
12        self.inner.cause()
13    }
14
15    fn backtrace(&self) -> Option<&Backtrace> {
16        self.inner.backtrace()
17    }
18}
19
20impl fmt::Display for Error {
21    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
22        fmt::Display::fmt(&self.inner, f)
23    }
24}
25
26impl From<ErrorKind> for Error {
27    fn from(kind: ErrorKind) -> Error {
28        Error { inner: Context::new(kind) }
29    }
30}
31
32impl From<Context<ErrorKind>> for Error {
33    fn from(inner: Context<ErrorKind>) -> Error {
34        Error { inner: inner }
35    }
36}
37
38impl From<::std::io::Error> for Error {
39    fn from(error: ::std::io::Error) -> Self {
40        Error {
41            inner: Context::new(ErrorKind::IoError {
42                error
43            })
44        }
45    }
46}
47
48#[derive(Debug, Fail)]
49pub enum ErrorKind {
50    #[fail(display = "invalid procotol")]
51    InvalidProtocol,
52    #[fail(display = "internal error")]
53    InternalError,
54    #[fail(display = "io error: {}", error)]
55    IoError {
56        error: ::std::io::Error
57    }
58}
tokio_ping/errors.rs

tokio_ping/
errors.rs
