func discoverUPNP_IG2() <-chan NAT {
res := make(chan NAT, 1)
go func() {
// find devices
devs, err := goupnp.DiscoverDevices(internetgateway2.URN_WANConnectionDevice_2)
if err != nil {
return
}
for _, dev := range devs {
if dev.Root == nil {
continue
}
dev.Root.Device.VisitServices(func(srv *goupnp.Service) {
switch srv.ServiceType {
case internetgateway2.URN_WANIPConnection_1:
client := &internetgateway2.WANIPConnection1{ServiceClient: goupnp.ServiceClient{
SOAPClient: srv.NewSOAPClient(),
RootDevice: dev.Root,
Service: srv,
}}
_, isNat, err := client.GetNATRSIPStatus()
if err == nil && isNat {
res <- &upnp_NAT{client, make(map[int]int), "UPNP (IG2-IP1)", dev.Root}
return
}
case internetgateway2.URN_WANIPConnection_2:
client := &internetgateway2.WANIPConnection2{ServiceClient: goupnp.ServiceClient{
SOAPClient: srv.NewSOAPClient(),
RootDevice: dev.Root,
Service: srv,
}}
_, isNat, err := client.GetNATRSIPStatus()
if err == nil && isNat {
res <- &upnp_NAT{client, make(map[int]int), "UPNP (IG2-IP2)", dev.Root}
return
}
case internetgateway2.URN_WANPPPConnection_1:
client := &internetgateway2.WANPPPConnection1{ServiceClient: goupnp.ServiceClient{
SOAPClient: srv.NewSOAPClient(),
RootDevice: dev.Root,
Service: srv,
}}
_, isNat, err := client.GetNATRSIPStatus()
if err == nil && isNat {
res <- &upnp_NAT{client, make(map[int]int), "UPNP (IG2-PPP1)", dev.Root}
return
}
}
})
}
}()
return res
}
func findDevices() map[string]*goupnp.RootDevice {
var (
wg = &sync.WaitGroup{}
map1 = map[string]*goupnp.RootDevice{}
map2 = map[string]*goupnp.RootDevice{}
map3 = map[string]*goupnp.RootDevice{}
)
wg.Add(1)
go func() {
defer wg.Done()
devs, err := goupnp.DiscoverDevices(internetgateway1.URN_WANConnectionDevice_1)
if err != nil {
return
}
for _, dev := range devs {
if dev.Root != nil {
map1[dev.Root.Device.SerialNumber] = dev.Root
}
}
}()
wg.Add(1)
go func() {
defer wg.Done()
devs, err := goupnp.DiscoverDevices(internetgateway2.URN_WANConnectionDevice_1)
if err != nil {
log.Fatalf("error: %s", err)
}
for _, dev := range devs {
if dev.Root != nil {
map2[dev.Root.Device.SerialNumber] = dev.Root
}
}
}()
wg.Add(1)
go func() {
defer wg.Done()
devs, err := goupnp.DiscoverDevices(internetgateway2.URN_WANConnectionDevice_2)
if err != nil {
log.Fatalf("error: %s", err)
}
for _, dev := range devs {
if dev.Root != nil {
map3[dev.Root.Device.SerialNumber] = dev.Root
}
}
}()
wg.Wait()
for id, dev := range map2 {
if _, f := map1[id]; !f {
map1[id] = dev
}
}
for id, dev := range map3 {
if _, f := map1[id]; !f {
map1[id] = dev
}
}
return map1
}