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use std::error;
use std::fmt;
use std::io::Error as IoError;
#[derive(Debug)]
pub enum PlainTextError {
IoError(IoError),
InvalidPayload(Option<prost::DecodeError>),
InvalidPeerId,
}
impl error::Error for PlainTextError {
fn cause(&self) -> Option<&dyn error::Error> {
match *self {
PlainTextError::IoError(ref err) => Some(err),
PlainTextError::InvalidPayload(Some(ref err)) => Some(err),
_ => None,
}
}
}
impl fmt::Display for PlainTextError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
match self {
PlainTextError::IoError(e) =>
write!(f, "I/O error: {}", e),
PlainTextError::InvalidPayload(protobuf_error) => {
match protobuf_error {
Some(e) => write!(f, "Protobuf error: {}", e),
None => f.write_str("Failed to parse one of the handshake protobuf messages")
}
},
PlainTextError::InvalidPeerId =>
f.write_str("The peer id of the exchange isn't consistent with the remote public key"),
}
}
}
impl From<IoError> for PlainTextError {
fn from(err: IoError) -> PlainTextError {
PlainTextError::IoError(err)
}
}
impl From<prost::DecodeError> for PlainTextError {
fn from(err: prost::DecodeError) -> PlainTextError {
PlainTextError::InvalidPayload(Some(err))
}
}