example

package
Version: v1.0.2 Latest Latest
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Published: Jul 11, 2021 License: BSD-2-Clause Imports: 0 Imported by: 0

Documentation

Overview

Serves as examples of using the goupnp library.

To run examples and see the output for your local network, run the following command (specifically including the -v flag):

go test -v github.com/huin/goupnp/example
Example (ReuseDiscoveredDevice)
package main

import (
	"fmt"
	"net/url"
	"os"

	"github.com/huin/goupnp"
	"github.com/huin/goupnp/dcps/internetgateway1"
)

func main() {
	var allMaybeRootDevices []goupnp.MaybeRootDevice
	for _, urn := range []string{internetgateway1.URN_WANPPPConnection_1, internetgateway1.URN_WANIPConnection_1} {
		maybeRootDevices, err := goupnp.DiscoverDevices(internetgateway1.URN_WANPPPConnection_1)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Could not discover %s devices: %v\n", urn, err)
		}
		allMaybeRootDevices = append(allMaybeRootDevices, maybeRootDevices...)
	}
	locations := make([]*url.URL, 0, len(allMaybeRootDevices))
	fmt.Fprintf(os.Stderr, "Found %d devices:\n", len(allMaybeRootDevices))
	for _, maybeRootDevice := range allMaybeRootDevices {
		if maybeRootDevice.Err != nil {
			fmt.Fprintln(os.Stderr, "  Failed to probe device at ", maybeRootDevice.Location.String())
		} else {
			locations = append(locations, maybeRootDevice.Location)
			fmt.Fprintln(os.Stderr, "  Successfully probed device at ", maybeRootDevice.Location.String())
		}
	}
	fmt.Fprintf(os.Stderr, "Attempt to re-acquire %d devices:\n", len(locations))
	for _, location := range locations {
		if _, err := goupnp.DeviceByURL(location); err != nil {
			fmt.Fprintf(os.Stderr, "  Failed to reacquire device at %s: %v\n", location.String(), err)
		} else {
			fmt.Fprintf(os.Stderr, "  Successfully reacquired device at %s\n", location.String())
		}
	}
}
Output:

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