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wgengine/monitor: start moving interface state accessor into monitor

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-03-01 07:55:30 -08:00
parent 14dc790137
commit 34188d93d4
2 changed files with 16 additions and 11 deletions
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16
wgengine/userspace.go
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@@ -244,8 +244,6 @@ func newUserspaceEngine(logf logger.Logf, rawTUNDev tun.Device, conf Config) (_
pingers: make(map[wgkey.Key]*pinger),
}
e.localAddrs.Store(map[netaddr.IP]bool{})
e.linkState, _ = getLinkState()
logf("link state: %+v", e.linkState)
if conf.LinkMonitor != nil {
e.linkMon = conf.LinkMonitor
@@ -258,6 +256,10 @@ func newUserspaceEngine(logf logger.Logf, rawTUNDev tun.Device, conf Config) (_
e.linkMon = mon
e.linkMonOwned = true
}
e.linkState, _ = e.linkMon.InterfaceState()
logf("link state: %+v", e.linkState)
unregisterMonWatch := e.linkMon.RegisterChangeCallback(func() {
e.LinkChange(false)
tshttpproxy.InvalidateCache()
@@ -1280,7 +1282,7 @@ func (e *userspaceEngine) setLinkState(st *interfaces.State) (changed bool, cb f
}
func (e *userspaceEngine) LinkChange(isExpensive bool) {
cur, err := getLinkState()
cur, err := e.linkMon.InterfaceState()
if err != nil {
e.logf("LinkChange: interfaces.GetState: %v", err)
return
@@ -1334,14 +1336,6 @@ func (e *userspaceEngine) AddNetworkMapCallback(cb NetworkMapCallback) func() {
}
}
func getLinkState() (*interfaces.State, error) {
s, err := interfaces.GetState()
if s != nil {
s.RemoveTailscaleInterfaces()
}
return s, err
}
func (e *userspaceEngine) SetNetInfoCallback(cb NetInfoCallback) {
e.magicConn.SetNetInfoCallback(cb)
}