Files
nym/common/client-libs/gateway-client/src/error.rs
T
Jędrzej Stuczyński eccd6e16e2 Feature/mixfetch disconnect (#3890)
* js error message

* Ability to explicitly disconnect mixfetch

* removed unused import

* added disconnect method directly to sdk package

* simplifying error throw

Co-authored-by: Mark Sinclair <14054343+mmsinclair@users.noreply.github.com>

* added onunload event listener handler

* Using global instance of mixfetch to disconnect

Co-authored-by: Mark Sinclair <14054343+mmsinclair@users.noreply.github.com>

* Bump RC versions

* MixFetch, move unload handler to creation and check for undefined `window`

* Bump RC version

* Force TLS on mixFetch demo

* Add info about working around mixed content errors for mixFetch

---------

Co-authored-by: Mark Sinclair <14054343+mmsinclair@users.noreply.github.com>
Co-authored-by: Mark Sinclair <mmsinclair@users.noreply.github.com>
2023-09-22 10:25:46 +01:00

108 lines
3.3 KiB
Rust

// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
// SPDX-License-Identifier: Apache-2.0
#[cfg(target_arch = "wasm32")]
use gloo_utils::errors::JsError;
use nym_gateway_requests::registration::handshake::error::HandshakeError;
use std::io;
use thiserror::Error;
use tungstenite::Error as WsError;
#[derive(Debug, Error)]
pub enum GatewayClientError {
#[error("Connection to the gateway is not established")]
ConnectionNotEstablished,
#[error("Gateway returned an error response: {0}")]
GatewayError(String),
#[error("There was a network error: {0}")]
NetworkError(#[from] WsError),
#[cfg(target_arch = "wasm32")]
#[error("There was a network error: {0}")]
NetworkErrorWasm(#[from] JsError),
#[error("Invalid URL: {0}")]
InvalidURL(String),
#[error("No shared key was provided or obtained")]
NoSharedKeyAvailable,
#[error("No bandwidth controller provided")]
NoBandwidthControllerAvailable,
#[error("Bandwidth controller error: {0}")]
BandwidthControllerError(#[from] nym_bandwidth_controller::error::BandwidthControllerError),
#[error("Connection was abruptly closed")]
ConnectionAbruptlyClosed,
#[error("Connection was abruptly closed as gateway was stopped")]
ConnectionClosedGatewayShutdown,
#[error("Received response was malformed")]
MalformedResponse,
#[error("Credential could not be serialized")]
SerializeCredential,
#[error("Client is not authenticated")]
NotAuthenticated,
#[error("Client does not have enough bandwidth: estimated {0}, remaining: {1}")]
NotEnoughBandwidth(i64, i64),
#[error("There are no more bandwidth credentials acquired. Please buy some more if you want to use the mixnet")]
NoMoreBandwidthCredentials,
#[error("Received an unexpected response")]
UnexpectedResponse,
#[error("Connection is in an invalid state - please send a bug report")]
ConnectionInInvalidState,
#[error("Failed to finish registration handshake: {0}")]
RegistrationFailure(HandshakeError),
#[error("Authentication failure")]
AuthenticationFailure,
#[error("Timed out")]
Timeout,
#[error("Failed to send mixnet message")]
MixnetMsgSenderFailedToSend,
#[error("Attempted to negotiate connection with gateway using incompatible protocol version. Ours is {current} and the gateway reports {gateway:?}")]
IncompatibleProtocol { gateway: Option<u8>, current: u8 },
#[error(
"The packet router hasn't been set - are you sure you started up the client correctly?"
)]
PacketRouterUnavailable,
#[error(
"this operation couldn't be completed as the program is in the process of shutting down"
)]
ShutdownInProgress,
}
impl GatewayClientError {
pub fn is_closed_connection(&self) -> bool {
match self {
GatewayClientError::NetworkError(ws_err) => match ws_err {
WsError::AlreadyClosed | WsError::ConnectionClosed => true,
WsError::Io(io_err) => matches!(
io_err.kind(),
io::ErrorKind::ConnectionReset
| io::ErrorKind::ConnectionAborted
| io::ErrorKind::BrokenPipe
),
_ => false,
},
_ => false,
}
}
}