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Fix re-entrant GetOrHandshake issues (#1044)

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Nate Brown 2023-12-19 11:58:31 -06:00 • committed by GitHub
parent beb5f6bddc
commit 072edd56b3
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8 changed files with 74 additions and 36 deletions
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inside.go
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@ -288,7 +288,7 @@ func (f *Interface) sendNoMetrics(t header.MessageType, st header.MessageSubType
if t != header.CloseTunnel && hostinfo.lastRebindCount != f.rebindCount {
//NOTE: there is an update hole if a tunnel isn't used and exactly 256 rebinds occur before the tunnel is
// finally used again. This tunnel would eventually be torn down and recreated if this action didn't help.
f.lightHouse.QueryServer(hostinfo.vpnIp, f)
f.lightHouse.QueryServer(hostinfo.vpnIp)
hostinfo.lastRebindCount = f.rebindCount
if f.l.Level >= logrus.DebugLevel {
f.l.WithField("vpnIp", hostinfo.vpnIp).Debug("Lighthouse update triggered for punch due to rebind counter")