use std::{error, fmt};
#[derive(Debug)]
pub enum Error {
#[cfg(feature = "hyper_server")]
Hyper(hyper::Error),
Json(serde_json::Error),
Utf8(std::string::FromUtf8Error),
#[cfg(feature = "hyper_server")]
Http(hyper::http::Error),
Prometheus(prometheus::Error),
ParseAddress(std::net::AddrParseError),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match *self {
#[cfg(feature = "hyper_server")]
Error::Hyper(ref err) => err.fmt(f),
Error::Json(ref err) => err.fmt(f),
Error::Utf8(ref err) => err.fmt(f),
#[cfg(feature = "hyper_server")]
Error::Http(ref err) => err.fmt(f),
Error::Prometheus(ref err) => err.fmt(f),
Error::ParseAddress(ref err) => err.fmt(f),
}
}
}
impl error::Error for Error {
fn source(&self) -> Option<&(dyn error::Error + 'static)> {
match *self {
#[cfg(feature = "hyper_server")]
Error::Hyper(ref err) => Some(err),
Error::Json(ref err) => Some(err),
Error::Utf8(ref err) => Some(err),
#[cfg(feature = "hyper_server")]
Error::Http(ref err) => Some(err),
Error::Prometheus(ref err) => Some(err),
Error::ParseAddress(ref err) => Some(err),
}
}
}
#[cfg(feature = "hyper_server")]
impl From<hyper::Error> for Error {
fn from(err: hyper::Error) -> Self {
Self::Hyper(err)
}
}
impl From<serde_json::Error> for Error {
fn from(err: serde_json::Error) -> Self {
Self::Json(err)
}
}
impl From<std::string::FromUtf8Error> for Error {
fn from(err: std::string::FromUtf8Error) -> Self {
Self::Utf8(err)
}
}
#[cfg(feature = "hyper_server")]
impl From<hyper::http::Error> for Error {
fn from(err: hyper::http::Error) -> Self {
Self::Http(err)
}
}
impl From<prometheus::Error> for Error {
fn from(err: prometheus::Error) -> Self {
Self::Prometheus(err)
}
}
impl From<std::net::AddrParseError> for Error {
fn from(err: std::net::AddrParseError) -> Self {
Self::ParseAddress(err)
}
}