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use crate::prelude::*;
use num_enum::TryFromPrimitiveError;
use std::{fmt, io};
use tokio::sync::mpsc::error::SendError;
#[derive(Debug)]
pub enum Error {
IoError(io::Error),
InvalidProtoId(u32),
InvalidChannel(u8),
InvalidType(u8),
InvalidCtlType(u8),
PeerIDAlreadySet,
InvalidChunkIndex(usize, usize),
InvalidChunkCount(usize, usize),
RemoteDisco(bool),
LocalDisco,
}
impl From<io::Error> for Error {
fn from(err: io::Error) -> Self {
Self::IoError(err)
}
}
impl From<TryFromPrimitiveError<PktType>> for Error {
fn from(err: TryFromPrimitiveError<PktType>) -> Self {
Self::InvalidType(err.number)
}
}
impl From<TryFromPrimitiveError<CtlType>> for Error {
fn from(err: TryFromPrimitiveError<CtlType>) -> Self {
Self::InvalidType(err.number)
}
}
impl From<SendError<InPkt>> for Error {
fn from(_err: SendError<InPkt>) -> Self {
Self::LocalDisco
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
use Error::*;
write!(f, "rudp: ")?;
match self {
IoError(err) => write!(f, "IO error: {err}"),
InvalidProtoId(id) => write!(f, "invalid protocol ID: {id}"),
InvalidChannel(ch) => write!(f, "invalid channel: {ch}"),
InvalidType(tp) => write!(f, "invalid type: {tp}"),
InvalidCtlType(tp) => write!(f, "invalid control type: {tp}"),
PeerIDAlreadySet => write!(f, "peer ID already set"),
InvalidChunkIndex(i, n) => write!(f, "chunk index {i} bigger than chunk count {n}"),
InvalidChunkCount(o, n) => write!(f, "chunk count changed from {o} to {n}"),
RemoteDisco(to) => write!(
f,
"remote disconnected{}",
if *to { " (timeout)" } else { "" }
),
LocalDisco => write!(f, "local disconnected"),
}
}
}
impl std::error::Error for Error {}
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