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network:bridge: fix peer_count metric #3711

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merged 5 commits into from
Apr 1, 2024
Merged

network:bridge: fix peer_count metric #3711

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ec4cd8b
Fix peer_count metric
alexggh Mar 15, 2024
88b6914
Merge remote-tracking branch 'origin/master' into alexaggh/fix_peer_c…
alexggh Mar 29, 2024
8adf1bf
Make it better
alexggh Mar 29, 2024
59bcb90
Fixup problem
alexggh Mar 29, 2024
a51880d
Merge branch 'master' into alexaggh/fix_peer_count_by_version
alexggh Mar 29, 2024
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24 changes: 24 additions & 0 deletions polkadot/node/network/bridge/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,30 @@ struct SharedInner {
collation_peers: HashMap<PeerId, PeerData>,
}

// Counts the number of peers that are connectioned using `version`
fn count_peers_by_version(peers: &HashMap<PeerId, PeerData>) -> HashMap<ProtocolVersion, usize> {
let mut by_version_count = HashMap::new();
for peer in peers.values() {
*(by_version_count.entry(peer.version).or_default()) += 1;
}
by_version_count
}

// Notes the peer count
fn note_peers_count(metrics: &Metrics, shared: &Shared) {
let guard = shared.0.lock();
let validation_stats = count_peers_by_version(&guard.validation_peers);
let collation_stats = count_peers_by_version(&guard.collation_peers);

for (version, count) in validation_stats {
metrics.note_peer_count(PeerSet::Validation, version, count)
}

for (version, count) in collation_stats {
metrics.note_peer_count(PeerSet::Collation, version, count)
}
}

pub(crate) enum Mode {
Syncing(Box<dyn SyncOracle + Send>),
Active,
Expand Down
6 changes: 1 addition & 5 deletions polkadot/node/network/bridge/src/rx/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -262,7 +262,6 @@ async fn handle_validation_message<AD>(
}

metrics.on_peer_connected(peer_set, version);
metrics.note_peer_count(peer_set, version, peer_map.len());

shared.local_view.clone().unwrap_or(View::default())
};
Expand Down Expand Up @@ -320,8 +319,6 @@ async fn handle_validation_message<AD>(
let w = peer_map.remove(&peer).is_some();

metrics.on_peer_disconnected(peer_set, version);
metrics.note_peer_count(peer_set, version, peer_map.len());

w
};

Expand Down Expand Up @@ -524,7 +521,6 @@ async fn handle_collation_message<AD>(
}

metrics.on_peer_connected(peer_set, version);
metrics.note_peer_count(peer_set, version, peer_map.len());

shared.local_view.clone().unwrap_or(View::default())
};
Expand Down Expand Up @@ -575,7 +571,6 @@ async fn handle_collation_message<AD>(
let w = peer_map.remove(&peer).is_some();

metrics.on_peer_disconnected(peer_set, version);
metrics.note_peer_count(peer_set, version, peer_map.len());

w
};
Expand Down Expand Up @@ -832,6 +827,7 @@ where
&metrics,
&notification_sinks,
);
note_peers_count(&metrics, &shared);
}
}
},
Expand Down
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