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wgengine/{,magicsock}: add metrics for rebinds and restuns

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Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali
2022-04-22 10:40:49 -07:00
committed by Maisem Ali
parent 78fededaa5
commit 2265587d38
2 changed files with 15 additions and 2 deletions
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6
wgengine/userspace.go
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@@ -1203,7 +1203,10 @@ func (e *userspaceEngine) linkChange(changed bool, cur *interfaces.State) {
why := "link-change-minor"
if changed {
why = "link-change-major"
metricNumMajorChanges.Add(1)
e.magicConn.Rebind()
} else {
metricNumMinorChanges.Add(1)
}
e.magicConn.ReSTUN(why)
}
@@ -1551,4 +1554,7 @@ func (ls fwdDNSLinkSelector) PickLink(ip netaddr.IP) (linkName string) {
var (
metricMagicDNSPacketIn = clientmetric.NewGauge("magicdns_packet_in") // for 100.100.100.100
metricReflectToOS = clientmetric.NewGauge("packet_reflect_to_os")
metricNumMajorChanges = clientmetric.NewCounter("wgengine_major_changes")
metricNumMinorChanges = clientmetric.NewCounter("wgengine_minor_changes")
)