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use crate::protocols::wire::messaging::v1 as wire;
use diem_types::{network_address::NetworkAddress, PeerId};
use futures::channel::{mpsc, oneshot};
use thiserror::Error;
#[derive(Debug, Error)]
pub enum PeerManagerError {
#[error("Error: {0:?}")]
Error(#[from] anyhow::Error),
#[error("IO error: {0}")]
IoError(#[from] ::std::io::Error),
#[error("Transport error: {0}")]
TransportError(::anyhow::Error),
#[error("Shutting down Peer")]
ShuttingDownPeer,
#[error("Not connected with Peer {0}")]
NotConnected(PeerId),
#[error("Already connected at {0}")]
AlreadyConnected(NetworkAddress),
#[error("Sending end of oneshot dropped")]
OneshotSenderDropped,
#[error("Failed to send on mpsc: {0}")]
MpscSendError(mpsc::SendError),
#[error("Serialization error {0}")]
BcsError(bcs::Error),
#[error("Error reading off wire: {0}")]
WireReadError(#[from] wire::ReadError),
#[error("Error writing to wire: {0}")]
WireWriteError(#[from] wire::WriteError),
}
impl PeerManagerError {
pub fn from_transport_error<E: Into<::anyhow::Error>>(error: E) -> Self {
PeerManagerError::TransportError(error.into())
}
}
impl From<oneshot::Canceled> for PeerManagerError {
fn from(_: oneshot::Canceled) -> Self {
PeerManagerError::OneshotSenderDropped
}
}
impl From<bcs::Error> for PeerManagerError {
fn from(e: bcs::Error) -> Self {
PeerManagerError::BcsError(e)
}
}
impl From<mpsc::SendError> for PeerManagerError {
fn from(e: mpsc::SendError) -> Self {
PeerManagerError::MpscSendError(e)
}
}