func (s *upnpSvc) Serve() {
extPort := 0
foundIGD := true
s.stop = make(chan struct{})
for {
igds := upnp.Discover(time.Duration(s.cfg.Options().UPnPTimeoutS) * time.Second)
if len(igds) > 0 {
foundIGD = true
extPort = s.tryIGDs(igds, extPort)
} else if foundIGD {
// Only print a notice if we've previously found an IGD or this is
// the first time around.
foundIGD = false
l.Infof("No UPnP device detected")
}
d := time.Duration(s.cfg.Options().UPnPRenewalM) * time.Minute
if d == 0 {
// We always want to do renewal so lets just pick a nice sane number.
d = 30 * time.Minute
}
select {
case <-s.stop:
return
case <-time.After(d):
}
}
}
func initForward() {
nat = upnp.Discover(5 * time.Second)[0]
err := forward.Forward(nat, forward.Mapping{Ports: []int{port}, Protocols: []upnp.Protocol{upnp.TCP}, Description: "Cluster"})
if err != nil {
log.Printf("Port forwarding failed: %v", err)
log.Println(`You may have to mainually port forward or choose different ports`)
} else {
log.Println("Port Forwading Success!")
}
}