add pkgs from core

registry/listener.go

@@ -0,0 +1,26 @@
+package registry
+
+import (
+	"github.com/go-gost/core/listener"
+	"github.com/go-gost/core/logger"
+)
+
+type NewListener func(opts ...listener.Option) listener.Listener
+
+type listenerRegistry struct {
+	registry
+}
+
+func (r *listenerRegistry) Register(name string, v NewListener) error {
+	if err := r.registry.Register(name, v); err != nil {
+		logger.Default().Fatal(err)
+	}
+	return nil
+}
+
+func (r *listenerRegistry) Get(name string) NewListener {
+	if v := r.registry.Get(name); v != nil {
+		return v.(NewListener)
+	}
+	return nil
+}