Output Airplay servers in LAN http://gongo.hatenablog.com/entry/2014/05/23/090403

main.go

package main

import (
	"github.com/armon/mdns"
	"github.com/olekukonko/tablewriter"
	"os"
	"strconv"
)

func main() {
	table := tablewriter.NewWriter(os.Stdout)
	table.SetHeader([]string{"Name", "IP address", "Port"})

	entriesCh := make(chan *mdns.ServiceEntry, 4)
	defer close(entriesCh)

	go func() {
		for entry := range entriesCh {
			table.Append([]string{
				entry.Name,
				entry.Addr.String(),
				strconv.Itoa(entry.Port),
			})
		}
	}()

	mdns.Lookup("_airplay._tcp", entriesCh)

	table.Render()
}

// $ go run main.go
// +----------------+-------------+------+
// |      NAME      | IP ADDRESS  | PORT |
// +----------------+-------------+------+
// | AppleTV.local. | 192.168.0.2 | 7000 |
// +----------------+-------------+------+