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#![deny(warnings)]
extern crate serde_cbor;
use std::error::Error as StdError;
use std::io;
use std::sync;
use super::Process;
use super::Thread;
#[derive(Debug, ErrorChain)]
pub enum ErrorKind {
#[error_chain(foreign)]
Io(io::Error),
#[error_chain(foreign)]
#[error_chain(display = "cbor_error_display")]
Cbor(serde_cbor::Error),
#[error_chain(custom)]
#[error_chain(description = "library_error_description")]
#[error_chain(display = "library_error_display")]
Library(String),
#[error_chain(custom)]
#[error_chain(description = "request_error_description")]
#[error_chain(display = "request_error_display")]
Request(String)
}
fn cbor_error_display(f: &mut ::std::fmt::Formatter, e: &serde_cbor::Error)
-> ::std::fmt::Result {
match *e {
serde_cbor::Error::Custom(ref s) => write!(f, "CBOR error: {}", s),
_ => write!(f, "CBOR error: {}", e.description())
}
}
fn library_error_description(_: &str) -> &str {
"library error"
}
fn library_error_display(f: &mut ::std::fmt::Formatter, s: &str)
-> ::std::fmt::Result {
write!(f, "library error: {}", s)
}
fn request_error_description(_: &str) -> &str {
"invalid request"
}
fn request_error_display(f: &mut ::std::fmt::Formatter, s: &str)
-> ::std::fmt::Result {
write!(f, "invalid request: {}", s)
}
impl<'a> From<sync::PoisonError<sync::MutexGuard<'a, Process>>> for Error {
fn from(err: sync::PoisonError<sync::MutexGuard<'a, Process>>) -> Error {
ErrorKind::Library(err.description().to_owned()).into()
}
}
impl<'a> From<sync::PoisonError<sync::MutexGuard<'a, Thread>>> for Error {
fn from(err: sync::PoisonError<sync::MutexGuard<'a, Thread>>) -> Error {
ErrorKind::Library(err.description().to_owned()).into()
}
}