Golang Client.Net Examples

Example #1

File: dns.go Project: josephwinston/flynn

func (d dnsAPI) Recurse(w dns.ResponseWriter, req *dns.Msg) {
	var client dns.Client

	if isTCP(w.RemoteAddr()) {
		client.Net = "tcp"
	}

	for _, recursor := range d.Recursors {
		res, _, err := client.Exchange(req, recursor)
		if err != nil {
			continue
		}
		w.WriteMsg(res)
		return
	}

	// Return SERVFAIL
	res := &dns.Msg{}
	res.RecursionAvailable = true
	res.SetRcode(req, dns.RcodeServerFailure)
	w.WriteMsg(res)
}