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use std::error::Error;
use std::fmt::{self, Display, Formatter};
use std::io;
use serde_json::error::Error as SerdeError;
use packet_stream::ConnectionError;
#[derive(Debug)]
pub enum RpcError {
IoError(io::Error),
InvalidData(SerdeError),
NotJson,
}
impl Display for RpcError {
fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
match *self {
RpcError::IoError(ref err) => write!(f, "Rpc error: {}", err),
RpcError::InvalidData(ref err) => write!(f, "Rpc error: {}", err),
RpcError::NotJson => write!(f, "Rpc error: Not json"),
}
}
}
impl Error for RpcError {
fn description(&self) -> &str {
match *self {
RpcError::IoError(ref err) => err.description(),
RpcError::InvalidData(ref err) => err.description(),
RpcError::NotJson => "got a packet not of type json",
}
}
fn cause(&self) -> Option<&Error> {
match *self {
RpcError::IoError(ref err) => Some(err),
RpcError::InvalidData(ref err) => Some(err),
RpcError::NotJson => None,
}
}
}
impl From<io::Error> for RpcError {
fn from(err: io::Error) -> RpcError {
RpcError::IoError(err)
}
}
impl From<SerdeError> for RpcError {
fn from(err: SerdeError) -> RpcError {
RpcError::InvalidData(err)
}
}
#[derive(Debug)]
pub enum ConnectionRpcError<E> {
PeerError(E),
ConnectionError(ConnectionError),
InvalidData(SerdeError),
NotJson,
}
impl<E: Display> Display for ConnectionRpcError<E> {
fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
match *self {
ConnectionRpcError::PeerError(ref err) => {
write!(f, "Connection rpc error: Peer error: {}", err)
}
ConnectionRpcError::ConnectionError(ref err) => {
write!(f, "Connection rpc error: Connection error: {}", err)
}
ConnectionRpcError::InvalidData(ref err) => {
write!(f, "Connection rpc error: Invalid data: {}", err)
}
ConnectionRpcError::NotJson => write!(f, "Connection rpc error: Not json"),
}
}
}
impl<E: Error> Error for ConnectionRpcError<E> {
fn description(&self) -> &str {
match *self {
ConnectionRpcError::PeerError(ref err) => err.description(),
ConnectionRpcError::ConnectionError(ref err) => err.description(),
ConnectionRpcError::InvalidData(ref err) => err.description(),
ConnectionRpcError::NotJson => "got a packet not of type json",
}
}
fn cause(&self) -> Option<&Error> {
match *self {
ConnectionRpcError::PeerError(ref err) => Some(err),
ConnectionRpcError::ConnectionError(ref err) => Some(err),
ConnectionRpcError::InvalidData(ref err) => Some(err),
ConnectionRpcError::NotJson => None,
}
}
}
impl<E> From<ConnectionError> for ConnectionRpcError<E> {
fn from(err: ConnectionError) -> ConnectionRpcError<E> {
ConnectionRpcError::ConnectionError(err)
}
}
impl<E> From<SerdeError> for ConnectionRpcError<E> {
fn from(err: SerdeError) -> ConnectionRpcError<E> {
ConnectionRpcError::InvalidData(err)
}
}