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error.rs
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error.rs
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// Copyright 2019 MaidSafe.net limited.
//
// This SAFE Network Software is licensed to you under the MIT license <LICENSE-MIT
// http://opensource.org/licenses/MIT> or the Modified BSD license <LICENSE-BSD
// https://opensource.org/licenses/BSD-3-Clause>, at your option. This file may not be copied,
// modified, or distributed except according to those terms. Please review the Licences for the
// specific language governing permissions and limitations relating to use of the SAFE Network
// Software.
use super::wire_msg::WireMsg;
use std::io;
use thiserror::Error;
/// Result used by `QuicP2p`.
pub type Result<T, E = Error> = std::result::Result<T, E>;
/// Error types returned by the qp2p public API.
#[derive(Debug, Error)]
#[non_exhaustive]
pub enum Error {
/// Error occurred when attempting to connect to any
/// of the peers provided as a list of contacts.
#[error("Network bootstrap failed")]
BootstrapFailure,
/// No peers/contects found in the bootstrap nodes list.
#[error("No nodes/peers found defined for bootstrapping")]
EmptyBootstrapNodesList,
/// The path provided is not valid for the operation.
#[error("Provided path is invalid: {0}")]
InvalidPath(String),
/// The user's home directory couldn't be determined.
#[error("Couldn't determine user's home directory")]
UserHomeDir,
/// I/O failure when attempting to access a local resource.
#[error("I/O Error")]
Io(#[from] io::Error),
/// Failure encountered when establishing a connection with another peer.
#[error("Establishing connection")]
Connect(#[from] quinn::ConnectError),
/// An existing connection with another peer has been lost.
#[error("Connection lost")]
Connection(#[from] quinn::ConnectionError),
/// Failed to create a new endpoint.
#[error("Creating endpoint")]
Endpoint(#[from] quinn::EndpointError),
/// Certificate for secure communication couldn't be parsed.
#[error("Cannot parse certificate ")]
CertificateParse,
/// The certificate's private key for secure communication couldn't be parsed.
#[error("Cannot parse certificate's private key")]
CertificatePkParse,
/// The contacts list was found empty when attempting
/// to contact peers for the echo service.
#[error("No peers found in the contacts list to send the echo request to")]
NoEchoServerEndpointDefined,
/// Timeout occurred when awaiting for a response from
/// any of the peers contacted for the echo service.
#[error("No response reeived from echo services")]
NoEchoServiceResponse,
/// Failure occurred when sending an echo request.
#[error("{0}")]
EchoServiceFailure(String),
/// TLS error
#[error("TLS Error ")]
TLS(#[from] rustls::TLSError),
/// Serialisation error, which can happen on different type of data.
#[error("Serialisation error")]
Serialisation(#[from] bincode::Error),
/// Failed to decode a base64-encoded string.
#[error("Base64 decode")]
Base64Decode(#[from] base64::DecodeError),
/// An error occurred which could be resolved by changing some config value.
#[error("Configuration {}", 0)]
Configuration(String),
/// The message type flag decoded in an incoming stream is invalid/unsupported.
#[error("Invalid message type flag found in message's header: {0}")]
InvalidMsgFlag(u8),
/// Error occurred when trying to write on a currently opened message stream.
#[error("Stream write error")]
StreamWrite(#[from] quinn::WriteError),
/// The expected amount of message bytes couldn't be read from the stream.
#[error("Failed to read expected nummber of message bytes: {}", 0)]
StreamRead(#[from] quinn::ReadExactError),
/// Failure when trying to map a new port using IGD for automatic port forwarding.
#[error("Could not use IGD for automatic port forwarding")]
IgdAddPort(#[from] igd::AddAnyPortError),
/// Failure when trying to renew leasing of a port mapped using IGD.
#[error("Could not renew port mapping using IGD")]
IgdRenewPort(#[from] igd::AddPortError),
/// IGD gateway deice was not found.
#[error("Could not find the gateway device for IGD")]
IgdSearch(#[from] igd::SearchError),
/// IGD is not supported on IPv6
#[error("IGD is not supported on IPv6")]
IgdNotSupported,
/// An error was encountered when trying to either generate
/// or serialise a self-signed certificate.
#[error("Self-signed certificate generation error: {}", 0)]
CertificateGen(#[from] rcgen::RcgenError),
/// Response message received contains an empty payload.
#[error("Empty response message received from peer")]
EmptyResponse,
/// The type of message received is not the expected one.
#[error("Type of the message received was not the expected one: {0}")]
UnexpectedMessageType(WireMsg),
/// The message exceeds the maximum message length allowed.
#[error("Maximum data length exceeded, length: {0}")]
MaxLengthExceeded(usize),
/// Incorrect Public Address provided
#[error("Incorrect Public Address provided")]
IncorrectPublicAddress,
/// Missing connection
#[error("No connection to the dest peer")]
MissingConnection,
}