Jędrzej Stuczyński
82 lines
2.8 KiB
Rust
82 lines
2.8 KiB
Rust
// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use std::fmt::{self, Display, Formatter};
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use std::io;
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#[derive(Debug)]
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pub enum RttError {
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UnexpectedEchoPacketSize,
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UnexpectedReplyPacketSize,
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MalformedSenderIdentity,
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MalformedEchoSignature,
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MalformedReplySignature,
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InvalidEchoSignature,
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InvalidReplySignature,
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UnreachableNode(String, io::Error),
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UnexpectedConnectionFailureWrite(String, io::Error),
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UnexpectedConnectionFailureRead(String, io::Error),
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ConnectionReadTimeout(String),
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ConnectionWriteTimeout(String),
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UnexpectedReplySequence,
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ShutdownReceived,
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}
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impl Display for RttError {
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fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
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match self {
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RttError::UnexpectedEchoPacketSize => {
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write!(f, "The received echo packet had unexpected size")
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}
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RttError::UnexpectedReplyPacketSize => {
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write!(f, "The received reply packet had unexpected size")
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}
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RttError::MalformedSenderIdentity => {
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write!(f, "The received echo packet had malformed sender")
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}
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RttError::MalformedEchoSignature => {
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write!(f, "The received echo packet had malformed signature")
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}
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RttError::MalformedReplySignature => {
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write!(f, "The received reply packet had malformed signature")
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}
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RttError::InvalidEchoSignature => {
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write!(f, "The received echo packet had invalid signature")
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}
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RttError::InvalidReplySignature => {
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write!(f, "The received reply packet had invalid signature")
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}
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RttError::UnreachableNode(id, err) => {
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write!(f, "Could not establish connection to {id} - {err}")
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}
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RttError::UnexpectedConnectionFailureWrite(id, err) => {
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write!(f, "Failed to write echo packet to {id} - {err}")
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}
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RttError::UnexpectedConnectionFailureRead(id, err) => {
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write!(f, "Failed to read reply packet from {id} - {err}")
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}
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RttError::ConnectionReadTimeout(id) => {
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write!(f, "Timed out while trying to read reply packet from {id}")
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}
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RttError::ConnectionWriteTimeout(id) => {
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write!(f, "Timed out while trying to write echo packet to {id}")
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}
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RttError::UnexpectedReplySequence => write!(
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f,
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"The received reply packet had an unexpected sequence number"
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),
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RttError::ShutdownReceived => {
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write!(f, "Shutdown signal received")
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}
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}
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}
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}
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impl std::error::Error for RttError {}
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