Jędrzej Stuczyński
88 lines
3.2 KiB
Rust
88 lines
3.2 KiB
Rust
// Copyright 2021 Nym Technologies SA
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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}
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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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}
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}
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}
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impl std::error::Error for RttError {}
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