Code: refresh code

component/resolver/patch.go

@@ -0,0 +1,20 @@
+package resolver
+
+import D "github.com/miekg/dns"
+
+var (
+	DefaultLocalServer LocalServer
+)
+
+type LocalServer interface {
+	ServeMsg(msg *D.Msg) (*D.Msg, error)
+}
+
+// ServeMsg with a dns.Msg, return resolve dns.Msg
+func ServeMsg(msg *D.Msg) (*D.Msg, error) {
+	if server := DefaultLocalServer; server != nil {
+		return server.ServeMsg(msg)
+	}
+
+	return nil, ErrIPNotFound
+}