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use std::fmt;
use std::io;
#[derive(Debug)]
pub enum Error {
IO(String),
BadFormat(String),
FailedToExecute(String),
CommandFailed(String, std::process::Output),
MissingData(String),
Ambiguous(String),
Missing(String),
InvalidState(String),
Timeout
}
impl Error {
pub(crate) fn invalid_state<S: ToString>(s: S) -> Self {
Error::InvalidState(s.to_string())
}
pub(crate) fn missing<S: ToString>(s: S) -> Self {
Error::Missing(s.to_string())
}
}
impl std::error::Error for Error {}
impl From<io::Error> for Error {
fn from(err: io::Error) -> Self {
Error::IO(err.to_string())
}
}
impl From<eui48::ParseError> for Error {
fn from(err: eui48::ParseError) -> Self {
Error::BadFormat(err.to_string())
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match &*self {
Error::IO(s) => write!(f, "I/O error; {}", s),
Error::BadFormat(s) => write!(f, "Bad format error; {}", s),
Error::FailedToExecute(s) => {
write!(f, "Failed to start command; {}", s)
}
Error::CommandFailed(s, output) => match output.status.code() {
Some(code) => {
write!(f, "Command returned failure; exit status={}; {}", code, s)
}
None => write!(f, "Command returned failure; {}", s)
},
Error::MissingData(s) => write!(f, "Missing expected data error; {}", s),
Error::Missing(s) => write!(f, "Unexpectedly missing; {}", s),
Error::Ambiguous(s) => write!(f, "Ambiguity error; {}", s),
Error::InvalidState(s) => write!(f, "Invalid state error; {}", s),
Error::Timeout => write!(f, "Timeout")
}
}
}