chore: share some code

dns/patch.go

@@ -1,20 +0,0 @@
-package dns
-
-import (
-	"context"
-
-	D "github.com/miekg/dns"
-)
-
-type LocalServer struct {
-	handler handler
-}
-
-// ServeMsg implement resolver.LocalServer ResolveMsg
-func (s *LocalServer) ServeMsg(ctx context.Context, msg *D.Msg) (*D.Msg, error) {
-	return handlerWithContext(ctx, s.handler, msg)
-}
-
-func NewLocalServer(resolver *Resolver, mapper *ResolverEnhancer) *LocalServer {
-	return &LocalServer{handler: NewHandler(resolver, mapper)}
-}