Feature: add dhcp type dns client (#1509)

component/dialer/options.go

@@ -0,0 +1,31 @@
+package dialer
+
+var (
+	DefaultOptions []Option
+)
+
+type config struct {
+	skipDefault   bool
+	interfaceName string
+	addrReuse     bool
+}
+
+type Option func(opt *config)
+
+func WithInterface(name string) Option {
+	return func(opt *config) {
+		opt.interfaceName = name
+	}
+}
+
+func WithAddrReuse(reuse bool) Option {
+	return func(opt *config) {
+		opt.addrReuse = reuse
+	}
+}
+
+func WithSkipDefault(skip bool) Option {
+	return func(opt *config) {
+		opt.skipDefault = skip
+	}
+}