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fix: use bad peer removal logic only for lightpush and filter
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chaitanyaprem committed Nov 29, 2024
1 parent 0635526 commit a371696
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Showing 5 changed files with 20 additions and 19 deletions.
1 change: 1 addition & 0 deletions waku/v2/api/filter/filter_manager.go
Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,7 @@ func (mgr *FilterManager) OnConnectionStatusChange(pubsubTopic string, newStatus
mgr.logger.Debug("inside on connection status change", zap.Bool("new-status", newStatus),
zap.Int("agg filters count", len(mgr.filterSubscriptions)), zap.Int("filter subs count", len(subs)))
if newStatus && !mgr.onlineChecker.IsOnline() { // switched from offline to Online
mgr.onlineChecker.SetOnline(newStatus)
mgr.NetworkChange()
mgr.logger.Debug("switching from offline to online")
mgr.Lock()
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26 changes: 8 additions & 18 deletions waku/v2/peermanager/peer_manager.go
Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,6 @@ const maxFailedAttempts = 5
const prunePeerStoreInterval = 10 * time.Minute
const peerConnectivityLoopSecs = 15
const maxConnsToPeerRatio = 3
const badPeersCleanupInterval = 1 * time.Minute
const maxDialFailures = 2

// 80% relay peers 20% service peers
Expand Down Expand Up @@ -258,32 +257,27 @@ func (pm *PeerManager) Start(ctx context.Context) {
}
}

func (pm *PeerManager) removeBadPeers() {
if !pm.RelayEnabled {
for _, peerID := range pm.host.Peerstore().Peers() {
if pm.host.Peerstore().(wps.WakuPeerstore).ConnFailures(peerID) > maxDialFailures {
//delete peer from peerStore
pm.logger.Debug("removing bad peer due to recurring dial failures", zap.Stringer("peerID", peerID))
pm.RemovePeer(peerID)
}
func (pm *PeerManager) CheckAndRemoveBadPeer(peerID peer.ID) {
if pm.host.Peerstore().(wps.WakuPeerstore).ConnFailures(peerID) > maxDialFailures &&
pm.peerConnector.onlineChecker.IsOnline() {
if origin, _ := pm.host.Peerstore().(wps.WakuPeerstore).Origin(peerID); origin != wps.Static { // delete only if a peer is discovered and not configured statically.
//delete peer from peerStore
pm.logger.Debug("removing bad peer due to recurring dial failures", zap.Stringer("peerID", peerID))
pm.RemovePeer(peerID)
}
}
}

func (pm *PeerManager) peerStoreLoop(ctx context.Context) {
defer utils.LogOnPanic()
t := time.NewTicker(prunePeerStoreInterval)
t1 := time.NewTicker(badPeersCleanupInterval)
defer t.Stop()
defer t1.Stop()
for {
select {
case <-ctx.Done():
return
case <-t.C:
pm.prunePeerStore()
case <-t1.C:
pm.removeBadPeers()
}
}
}
Expand Down Expand Up @@ -749,6 +743,7 @@ func (pm *PeerManager) HandleDialError(err error, peerID peer.ID) {
if err == nil || errors.Is(err, context.Canceled) {
return
}

if pm.peerConnector != nil {
pm.peerConnector.addConnectionBackoff(peerID)
}
Expand All @@ -762,9 +757,4 @@ func (pm *PeerManager) HandleDialError(err error, peerID peer.ID) {
pm.logger.Error("failed to emit DialError", zap.Error(emitterErr))
}
}
if !pm.RelayEnabled && pm.host.Peerstore().(wps.WakuPeerstore).ConnFailures(peerID) >= maxDialFailures {
//delete peer from peerStore
pm.logger.Debug("removing bad peer due to recurring dial failures", zap.Stringer("peerID", peerID))
pm.RemovePeer(peerID)
}
}
5 changes: 5 additions & 0 deletions waku/v2/protocol/filter/client.go
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import (
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
libp2pProtocol "github.com/libp2p/go-libp2p/core/protocol"
"github.com/libp2p/go-libp2p/p2p/net/swarm"
"github.com/libp2p/go-msgio/pbio"
"github.com/prometheus/client_golang/prometheus"
"github.com/waku-org/go-waku/logging"
Expand Down Expand Up @@ -249,6 +250,10 @@ func (wf *WakuFilterLightNode) request(ctx context.Context, requestID []byte,
wf.metrics.RecordError(dialFailure)
if wf.pm != nil {
wf.pm.HandleDialError(err, peerID)
if errors.Is(err, swarm.ErrAllDialsFailed) ||
errors.Is(err, swarm.ErrDialBackoff) || errors.Is(err, swarm.ErrNoAddresses) {
wf.pm.CheckAndRemoveBadPeer(peerID)
}
}
return err
}
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2 changes: 1 addition & 1 deletion waku/v2/protocol/filter/filter_health_check.go
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ func (wf *WakuFilterLightNode) PingPeer(peer peer.ID) {
ctxWithTimeout, cancel := context.WithTimeout(wf.CommonService.Context(), PingTimeout)
defer cancel()
err := wf.Ping(ctxWithTimeout, peer)
if err != nil {
if err != nil && wf.onlineChecker.IsOnline() {
wf.log.Warn("Filter ping failed towards peer", zap.Stringer("peer", peer), zap.Error(err))
//quickly retry ping again before marking subscription as failure
//Note that PingTimeout is a fraction of PingInterval so this shouldn't cause parallel pings being sent.
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5 changes: 5 additions & 0 deletions waku/v2/protocol/lightpush/waku_lightpush.go
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ import (
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
libp2pProtocol "github.com/libp2p/go-libp2p/core/protocol"
"github.com/libp2p/go-libp2p/p2p/net/swarm"
"github.com/libp2p/go-msgio/pbio"
"github.com/prometheus/client_golang/prometheus"
"github.com/waku-org/go-waku/logging"
Expand Down Expand Up @@ -198,6 +199,10 @@ func (wakuLP *WakuLightPush) request(ctx context.Context, req *pb.PushRequest, p
wakuLP.metrics.RecordError(dialFailure)
if wakuLP.pm != nil {
wakuLP.pm.HandleDialError(err, peerID)
if errors.Is(err, swarm.ErrAllDialsFailed) ||
errors.Is(err, swarm.ErrDialBackoff) || errors.Is(err, swarm.ErrNoAddresses) {
wakuLP.pm.CheckAndRemoveBadPeer(peerID)
}
}
return nil, err
}
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