60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// Serves as a simple example/test of discovering UPnP devices on the local
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// network.
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package main
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import (
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"fmt"
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"github.com/huin/goupnp"
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)
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var spaces = " "
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type indentLevel int
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func (i indentLevel) String() string {
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return spaces[:i]
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}
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func displayDevice(indent indentLevel, device *goupnp.Device) {
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fmt.Println(indent.String(), device)
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for _, srv := range device.Services {
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fmt.Printf("%sService %s\n", indent+1, srv.ServiceType)
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}
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for i := range device.Devices {
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displayDevice(indent+1, &device.Devices[i])
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}
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}
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func main() {
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if results, err := goupnp.DiscoverDevices(goupnp.ServiceTypeWANPPPConnection); err != nil {
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fmt.Println("Error discovering InternetGatewayDevice with UPnP: ", err)
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} else {
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fmt.Printf("Discovered %d InternetGatewayDevices:\n", len(results))
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for _, maybeRootDevice := range results {
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if maybeRootDevice.Err != nil {
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fmt.Println(maybeRootDevice.Err)
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continue
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}
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device := &maybeRootDevice.Root.Device
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displayDevice(0, device)
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wanPPPSrvs := device.FindService(goupnp.ServiceTypeWANPPPConnection)
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if len(wanPPPSrvs) < 1 {
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fmt.Printf("Could not find expected service on device %s\n", device.FriendlyName)
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continue
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} else if len(wanPPPSrvs) > 1 {
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fmt.Printf("Got more than one expected service on device %s\n", device.FriendlyName)
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}
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srv := wanPPPSrvs[0]
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results, err := goupnp.PerformSoapAction(goupnp.ServiceTypeWANPPPConnection, "GetExternalIPAddress", &srv.ControlURL.URL, nil)
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if err != nil {
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fmt.Printf("Failed to GetExternalIPAddress from %s: %v\n", device.FriendlyName, err)
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continue
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}
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fmt.Printf("Got GetExternalIPAddress result from %s: %v\n", device.FriendlyName, results)
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}
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}
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}
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