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More stringent dialing #2363

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merged 2 commits into from
May 26, 2021
Merged

More stringent dialing #2363

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ec5a7fb
More stringent dialing
AgeManning May 22, 2021
88e3c5a
Cover cached enr dialing
AgeManning May 26, 2021
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21 changes: 5 additions & 16 deletions beacon_node/eth2_libp2p/src/peer_manager/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -668,18 +668,16 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
.cached_enrs()
.filter_map(|(peer_id, enr)| {
let peers = self.network_globals.peers.read();
if predicate(enr)
&& !peers.is_connected_or_dialing(peer_id)
&& !peers.is_banned(peer_id)
{
if predicate(enr) && peers.should_dial(peer_id) {
Some(*peer_id)
} else {
None
}
})
.collect();
for peer in &peers_to_dial {
self.dial_peer(peer);
for peer_id in &peers_to_dial {
debug!(self.log, "Dialing cached ENR peer"; "peer_id" => %peer_id);
self.dial_peer(peer_id);
}
}

Expand All @@ -698,16 +696,7 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
// we attempt a connection if this peer is a subnet peer or if the max peer count
// is not yet filled (including dialing peers)
if (min_ttl.is_some() || connected_or_dialing + to_dial_peers.len() < self.max_peers)
&& !self
.network_globals
.peers
.read()
.is_connected_or_dialing(&peer_id)
&& !self
.network_globals
.peers
.read()
.is_banned_or_disconnected(&peer_id)
&& self.network_globals.peers.read().should_dial(&peer_id)
{
// This should be updated with the peer dialing. In fact created once the peer is
// dialed
Expand Down
12 changes: 11 additions & 1 deletion beacon_node/eth2_libp2p/src/peer_manager/peerdb.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,16 @@ impl<TSpec: EthSpec> PeerDB<TSpec> {
)
}

/// Returns true if the peer should be dialed. This checks the connection state and the
/// score state and determines if the peer manager should dial this peer.
pub fn should_dial(&self, peer_id: &PeerId) -> bool {
matches!(
self.connection_status(peer_id),
Some(PeerConnectionStatus::Disconnected { .. })
| Some(PeerConnectionStatus::Unknown { .. })
) && !self.is_banned_or_disconnected(peer_id)
}

/// Returns true if the peer is synced at least to our current head.
pub fn is_synced(&self, peer_id: &PeerId) -> bool {
match self.peers.get(peer_id).map(|info| &info.sync_status) {
Expand Down Expand Up @@ -341,7 +351,7 @@ impl<TSpec: EthSpec> PeerDB<TSpec> {
}

if let Err(e) = info.dialing_peer() {
error!(self.log, "{}", e);
error!(self.log, "{}", e; "peer_id" => %peer_id);
}
}

Expand Down