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Upgrade logs (#1495)

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## Issue Addressed

#1483 

## Proposed Changes

Upgrades the log to a critical if a listener fails. We are able to listen on many interfaces so a single instance is not critical. We should however gracefully shutdown the client if we have no listeners, although the client can still function solely on outgoing connections.

For now a critical is raised and I leave #1494 for more sophisticated handling of this. 

This also updates discv5 to handle errors of binding to a UDP socket such that lighthouse is now able to handle them.
This commit is contained in:
Age Manning
2020-08-10 05:19:51 +00:00
parent 04e4389efe
commit cbfae87aa6
6 changed files with 11 additions and 8 deletions
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4
beacon_node/eth2_libp2p/src/service.rs
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@@ -271,10 +271,10 @@ impl<TSpec: EthSpec> Service<TSpec> {
debug!(self.log, "Listen address expired"; "multiaddr" => multiaddr.to_string())
}
SwarmEvent::ListenerClosed { addresses, reason } => {
debug!(self.log, "Listener closed"; "addresses" => format!("{:?}", addresses), "reason" => format!("{:?}", reason))
crit!(self.log, "Listener closed"; "addresses" => format!("{:?}", addresses), "reason" => format!("{:?}", reason))
}
SwarmEvent::ListenerError { error } => {
debug!(self.log, "Listener error"; "error" => format!("{:?}", error.to_string()))
warn!(self.log, "Listener error"; "error" => format!("{:?}", error.to_string()))
}
SwarmEvent::Dialing(peer_id) => {
debug!(self.log, "Dialing peer"; "peer_id" => peer_id.to_string());