1 files changed, 0 insertions, 82 deletions
diff --git a/middleware/file/notify.go b/middleware/file/notify.go
deleted file mode 100644
index b1628c3a6..000000000
--- a/middleware/file/notify.go
+++ /dev/null
@@ -1,82 +0,0 @@
-package file
-
-import (
-	"fmt"
-	"log"
-	"net"
-
-	"github.com/coredns/coredns/middleware/pkg/rcode"
-	"github.com/coredns/coredns/request"
-
-	"github.com/miekg/dns"
-)
-
-// isNotify checks if state is a notify message and if so, will *also* check if it
-// is from one of the configured masters. If not it will not be a valid notify
-// message. If the zone z is not a secondary zone the message will also be ignored.
-func (z *Zone) isNotify(state request.Request) bool {
-	if state.Req.Opcode != dns.OpcodeNotify {
-		return false
-	}
-	if len(z.TransferFrom) == 0 {
-		return false
-	}
-	// If remote IP matches we accept.
-	remote := state.IP()
-	for _, f := range z.TransferFrom {
-		from, _, err := net.SplitHostPort(f)
-		if err != nil {
-			continue
-		}
-		if from == remote {
-			return true
-		}
-	}
-	return false
-}
-
-// Notify will send notifies to all configured TransferTo IP addresses.
-func (z *Zone) Notify() {
-	go notify(z.origin, z.TransferTo)
-}
-
-// notify sends notifies to the configured remote servers. It will try up to three times
-// before giving up on a specific remote. We will sequentially loop through "to"
-// until they all have replied (or have 3 failed attempts).
-func notify(zone string, to []string) error {
-	m := new(dns.Msg)
-	m.SetNotify(zone)
-	c := new(dns.Client)
-
-	for _, t := range to {
-		if t == "*" {
-			continue
-		}
-		if err := notifyAddr(c, m, t); err != nil {
-			log.Printf("[ERROR] " + err.Error())
-		} else {
-			log.Printf("[INFO] Sent notify for zone %q to %q", zone, t)
-		}
-	}
-	return nil
-}
-
-func notifyAddr(c *dns.Client, m *dns.Msg, s string) error {
-	var err error
-
-	code := dns.RcodeServerFailure
-	for i := 0; i < 3; i++ {
-		ret, _, err := c.Exchange(m, s)
-		if err != nil {
-			continue
-		}
-		code = ret.Rcode
-		if code == dns.RcodeSuccess {
-			return nil
-		}
-	}
-	if err != nil {
-		return fmt.Errorf("notify for zone %q was not accepted by %q: %q", m.Question[0].Name, s, err)
-	}
-	return fmt.Errorf("notify for zone %q was not accepted by %q: rcode was %q", m.Question[0].Name, s, rcode.ToString(code))
-}