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Have lighthouses ack updates to reduce test packet traffic (#851)

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This commit is contained in:
Nate Brown
2023-05-05 14:44:03 -05:00
committed by GitHub
parent b26c13336f
commit 48eb63899f
6 changed files with 101 additions and 85 deletions
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20
lighthouse.go
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@@ -793,11 +793,14 @@ func (lhh *LightHouseHandler) HandleRequest(rAddr *udp.Addr, vpnIp iputil.VpnIp,
lhh.handleHostQueryReply(n, vpnIp)
case NebulaMeta_HostUpdateNotification:
lhh.handleHostUpdateNotification(n, vpnIp)
lhh.handleHostUpdateNotification(n, vpnIp, w)
case NebulaMeta_HostMovedNotification:
case NebulaMeta_HostPunchNotification:
lhh.handleHostPunchNotification(n, vpnIp, w)
case NebulaMeta_HostUpdateNotificationAck:
// noop
}
}
@@ -906,7 +909,7 @@ func (lhh *LightHouseHandler) handleHostQueryReply(n *NebulaMeta, vpnIp iputil.V
}
}
func (lhh *LightHouseHandler) handleHostUpdateNotification(n *NebulaMeta, vpnIp iputil.VpnIp) {
func (lhh *LightHouseHandler) handleHostUpdateNotification(n *NebulaMeta, vpnIp iputil.VpnIp, w EncWriter) {
if !lhh.lh.amLighthouse {
if lhh.l.Level >= logrus.DebugLevel {
lhh.l.Debugln("I am not a lighthouse, do not take host updates: ", vpnIp)
@@ -932,6 +935,19 @@ func (lhh *LightHouseHandler) handleHostUpdateNotification(n *NebulaMeta, vpnIp
am.unlockedSetV6(vpnIp, certVpnIp, n.Details.Ip6AndPorts, lhh.lh.unlockedShouldAddV6)
am.unlockedSetRelay(vpnIp, certVpnIp, n.Details.RelayVpnIp)
am.Unlock()
n = lhh.resetMeta()
n.Type = NebulaMeta_HostUpdateNotificationAck
n.Details.VpnIp = uint32(vpnIp)
ln, err := n.MarshalTo(lhh.pb)
if err != nil {
lhh.l.WithError(err).WithField("vpnIp", vpnIp).Error("Failed to marshal lighthouse host update ack")
return
}
lhh.lh.metricTx(NebulaMeta_HostUpdateNotificationAck, 1)
w.SendMessageToVpnIp(header.LightHouse, 0, vpnIp, lhh.pb[:ln], lhh.nb, lhh.out[:0])
}
func (lhh *LightHouseHandler) handleHostPunchNotification(n *NebulaMeta, vpnIp iputil.VpnIp, w EncWriter) {