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wgengine{,/monitor}: move interface state fetching/comparing to monitor

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Gets it out of wgengine so the Engine isn't responsible for being a
callback registration hub for it.

This also removes the Engine.LinkChange method, as it's no longer
necessary.  The monitor tells us about changes; it doesn't seem to
need any help. (Currently it was only used by Swift, but as of
14dc790137 we just do the same from Go)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-03-01 12:56:03 -08:00
parent a038e8690c
commit e3df29d488
6 changed files with 79 additions and 106 deletions
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15
wgengine/watchdog.go
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@@ -14,10 +14,10 @@ import (
"inet.af/netaddr"
"tailscale.com/ipn/ipnstate"
"tailscale.com/net/interfaces"
"tailscale.com/tailcfg"
"tailscale.com/types/netmap"
"tailscale.com/wgengine/filter"
"tailscale.com/wgengine/monitor"
"tailscale.com/wgengine/router"
"tailscale.com/wgengine/tsdns"
"tailscale.com/wgengine/wgcfg"
@@ -75,10 +75,11 @@ func (e *watchdogEngine) watchdog(name string, fn func()) {
func (e *watchdogEngine) Reconfig(cfg *wgcfg.Config, routerCfg *router.Config) error {
return e.watchdogErr("Reconfig", func() error { return e.wrap.Reconfig(cfg, routerCfg) })
}
func (e *watchdogEngine) GetLinkMonitor() *monitor.Mon {
return e.wrap.GetLinkMonitor()
}
func (e *watchdogEngine) GetFilter() *filter.Filter {
var x *filter.Filter
e.watchdog("GetFilter", func() { x = e.wrap.GetFilter() })
return x
return e.wrap.GetFilter()
}
func (e *watchdogEngine) SetFilter(filt *filter.Filter) {
e.watchdog("SetFilter", func() { e.wrap.SetFilter(filt) })
@@ -98,12 +99,6 @@ func (e *watchdogEngine) SetNetInfoCallback(cb NetInfoCallback) {
func (e *watchdogEngine) RequestStatus() {
e.watchdog("RequestStatus", func() { e.wrap.RequestStatus() })
}
func (e *watchdogEngine) LinkChange(isExpensive bool) {
e.watchdog("LinkChange", func() { e.wrap.LinkChange(isExpensive) })
}
func (e *watchdogEngine) SetLinkChangeCallback(cb func(major bool, newState *interfaces.State)) {
e.watchdog("SetLinkChangeCallback", func() { e.wrap.SetLinkChangeCallback(cb) })
}
func (e *watchdogEngine) SetDERPMap(m *tailcfg.DERPMap) {
e.watchdog("SetDERPMap", func() { e.wrap.SetDERPMap(m) })
}