From 14600a8170a8af630aa5a6d08c41c725a44816e9 Mon Sep 17 00:00:00 2001
From: Dreamacro <305009791@qq.com>
Date: Sat, 23 Mar 2019 19:41:41 +0800
Subject: [PATCH] Fix: dns hot reload no effect

---
 dns/server.go | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/dns/server.go b/dns/server.go
index 9db92d78..93311aeb 100644
--- a/dns/server.go
+++ b/dns/server.go
@@ -34,13 +34,18 @@ func (s *Server) ServeDNS(w D.ResponseWriter, r *D.Msg) {
 	w.WriteMsg(msg)
 }
 
+func (s *Server) setReslover(r *Resolver) {
+	s.r = r
+}
+
 func ReCreateServer(addr string, resolver *Resolver) error {
-	if server.Server != nil {
-		server.Shutdown()
+	if addr == address {
+		server.setReslover(resolver)
+		return nil
 	}
 
-	if addr == address {
-		return nil
+	if server.Server != nil {
+		server.Shutdown()
 	}
 
 	_, port, err := net.SplitHostPort(addr)