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-rw-r--r--wgengine/magicsock/magicsock.go14
-rw-r--r--wgengine/userspace.go1
2 files changed, 15 insertions, 0 deletions
diff --git a/wgengine/magicsock/magicsock.go b/wgengine/magicsock/magicsock.go
index d20389a10..d12f2cf08 100644
--- a/wgengine/magicsock/magicsock.go
+++ b/wgengine/magicsock/magicsock.go
@@ -113,6 +113,7 @@ type Conn struct {
pconn4 *RebindingUDPConn
pconn6 *RebindingUDPConn // non-nil if IPv6 available
epFunc func(endpoints []string)
+ derpActiveFunc func()
logf logger.Logf
sendLogLimit *rate.Limiter
netChecker *netcheck.Client
@@ -281,6 +282,10 @@ type Options struct {
// endpoints change. The called func does not own the slice.
EndpointsFunc func(endpoint []string)
+ // DERPActiveFunc optionally provides a func to be called when
+ // a connection is made to a DERP server.
+ DERPActiveFunc func()
+
// IdleFunc optionally provides a func to return how long
// it's been since a TUN packet was sent or received.
IdleFunc func() time.Duration
@@ -317,6 +322,13 @@ func (o *Options) endpointsFunc() func([]string) {
return o.EndpointsFunc
}
+func (o *Options) derpActiveFunc() func() {
+ if o == nil || o.DERPActiveFunc == nil {
+ return func() {}
+ }
+ return o.DERPActiveFunc
+}
+
// newConn is the error-free, network-listening-side-effect-free based
// of NewConn. Mostly for tests.
func newConn() *Conn {
@@ -346,6 +358,7 @@ func NewConn(opts Options) (*Conn, error) {
c.pconnPort = opts.Port
c.logf = opts.logf()
c.epFunc = opts.endpointsFunc()
+ c.derpActiveFunc = opts.derpActiveFunc()
c.idleFunc = opts.IdleFunc
c.packetListener = opts.PacketListener
c.noteRecvActivity = opts.NoteRecvActivity
@@ -1206,6 +1219,7 @@ func (c *Conn) derpWriteChanOfAddr(addr netaddr.IPPort, peer key.Public) chan<-
go c.runDerpReader(ctx, addr, dc, wg, startGate)
go c.runDerpWriter(ctx, dc, ch, wg, startGate)
+ go c.derpActiveFunc()
return ad.writeCh
}
diff --git a/wgengine/userspace.go b/wgengine/userspace.go
index b5c0790af..7f7070b35 100644
--- a/wgengine/userspace.go
+++ b/wgengine/userspace.go
@@ -239,6 +239,7 @@ func newUserspaceEngineAdvanced(conf EngineConfig) (_ Engine, reterr error) {
Logf: logf,
Port: conf.ListenPort,
EndpointsFunc: endpointsFn,
+ DERPActiveFunc: e.RequestStatus,
IdleFunc: e.tundev.IdleDuration,
NoteRecvActivity: e.noteReceiveActivity,
}