Exemple #1
0
func GetHost() string {
	fmt.Println("Searching for hosts...")
	ch := make(chan *mdns.ServiceEntry, 8)
	mdns.Lookup("_gosync._tcp", ch)
	close(ch)
	if len(ch) == 0 {
		log.Fatalln("No hosts available, specify manually or try again")
	}
	entries := make([]mdns.ServiceEntry, len(ch))
	i := 1
	for entry := range ch {
		addr := GetAddr(entry)
		fmt.Printf("[%d] << %s >> %s:%d\n", i, entry.Host, addr, entry.Port)
		entries[i-1] = *entry
		i++
	}
	i = 0
	first := true
	for i < 1 || i > len(entries) {
		if !first {
			fmt.Println("Invalid, try again")
		}
		first = false
		fmt.Printf("Selection: ")
		fmt.Scanf("%d", &i)
	}

	fmt.Println()

	return fmt.Sprintf("%s:%d", GetAddr(&entries[i-1]), entries[i-1].Port)
}
Exemple #2
0
// poll is invoked periodically to check for new hosts
func (m *AgentMDNS) poll(hosts chan *mdns.ServiceEntry) {
	if err := mdns.Lookup(mdnsName(m.discover), hosts); err != nil {
		m.logger.Printf("[ERR] agent.mdns: Failed to poll for new hosts: %v", err)
	}
}