Improve logging around peer scoring (#5325)
* Improve logging around score states * Improve logs also
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@ -168,7 +168,7 @@ impl<TSpec: EthSpec> PeerDB<TSpec> {
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fn score_state_banned_or_disconnected(&self, peer_id: &PeerId) -> bool {
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if let Some(peer) = self.peers.get(peer_id) {
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match peer.score_state() {
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ScoreState::Banned | ScoreState::Disconnected => true,
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ScoreState::Banned | ScoreState::ForcedDisconnect => true,
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_ => self.ip_is_banned(peer).is_some(),
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}
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} else {
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@ -1062,12 +1062,12 @@ impl<TSpec: EthSpec> PeerDB<TSpec> {
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log: &slog::Logger,
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) -> ScoreTransitionResult {
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match (info.score_state(), previous_state) {
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(ScoreState::Banned, ScoreState::Healthy | ScoreState::Disconnected) => {
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(ScoreState::Banned, ScoreState::Healthy | ScoreState::ForcedDisconnect) => {
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debug!(log, "Peer has been banned"; "peer_id" => %peer_id, "score" => %info.score());
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ScoreTransitionResult::Banned
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}
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(ScoreState::Disconnected, ScoreState::Banned | ScoreState::Healthy) => {
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debug!(log, "Peer transitioned to disconnect state"; "peer_id" => %peer_id, "score" => %info.score(), "past_state" => %previous_state);
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(ScoreState::ForcedDisconnect, ScoreState::Banned | ScoreState::Healthy) => {
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debug!(log, "Peer transitioned to forced disconnect score state"; "peer_id" => %peer_id, "score" => %info.score(), "past_score_state" => %previous_state);
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// disconnect the peer if it's currently connected or dialing
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if info.is_connected_or_dialing() {
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ScoreTransitionResult::Disconnected
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@ -1079,18 +1079,20 @@ impl<TSpec: EthSpec> PeerDB<TSpec> {
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ScoreTransitionResult::NoAction
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}
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}
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(ScoreState::Healthy, ScoreState::Disconnected) => {
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debug!(log, "Peer transitioned to healthy state"; "peer_id" => %peer_id, "score" => %info.score(), "past_state" => %previous_state);
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(ScoreState::Healthy, ScoreState::ForcedDisconnect) => {
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debug!(log, "Peer transitioned to healthy score state"; "peer_id" => %peer_id, "score" => %info.score(), "past_score_state" => %previous_state);
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ScoreTransitionResult::NoAction
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}
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(ScoreState::Healthy, ScoreState::Banned) => {
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debug!(log, "Peer transitioned to healthy state"; "peer_id" => %peer_id, "score" => %info.score(), "past_state" => %previous_state);
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debug!(log, "Peer transitioned to healthy score state"; "peer_id" => %peer_id, "score" => %info.score(), "past_score_state" => %previous_state);
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// unban the peer if it was previously banned.
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ScoreTransitionResult::Unbanned
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}
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// Explicitly ignore states that haven't transitioned.
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(ScoreState::Healthy, ScoreState::Healthy) => ScoreTransitionResult::NoAction,
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(ScoreState::Disconnected, ScoreState::Disconnected) => ScoreTransitionResult::NoAction,
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(ScoreState::ForcedDisconnect, ScoreState::ForcedDisconnect) => {
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ScoreTransitionResult::NoAction
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}
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(ScoreState::Banned, ScoreState::Banned) => ScoreTransitionResult::NoAction,
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}
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@ -104,7 +104,7 @@ pub(crate) enum ScoreState {
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/// We are content with the peers performance. We permit connections and messages.
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Healthy,
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/// The peer should be disconnected. We allow re-connections if the peer is persistent.
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Disconnected,
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ForcedDisconnect,
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/// The peer is banned. We disallow new connections until it's score has decayed into a
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/// tolerable threshold.
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Banned,
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@ -115,7 +115,7 @@ impl std::fmt::Display for ScoreState {
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match self {
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ScoreState::Healthy => write!(f, "Healthy"),
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ScoreState::Banned => write!(f, "Banned"),
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ScoreState::Disconnected => write!(f, "Disconnected"),
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ScoreState::ForcedDisconnect => write!(f, "Disconnected"),
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}
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}
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}
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@ -313,7 +313,7 @@ impl Score {
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pub(crate) fn state(&self) -> ScoreState {
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match self.score() {
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x if x <= MIN_SCORE_BEFORE_BAN => ScoreState::Banned,
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x if x <= MIN_SCORE_BEFORE_DISCONNECT => ScoreState::Disconnected,
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x if x <= MIN_SCORE_BEFORE_DISCONNECT => ScoreState::ForcedDisconnect,
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_ => ScoreState::Healthy,
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}
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}
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@ -407,7 +407,7 @@ mod tests {
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assert!(score.score() < 0.0);
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assert_eq!(score.state(), ScoreState::Healthy);
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score.test_add(-1.0001);
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assert_eq!(score.state(), ScoreState::Disconnected);
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assert_eq!(score.state(), ScoreState::ForcedDisconnect);
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}
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#[test]
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