other: server/v2 基本通讯模型实现

server/internal/v2/message.go

@@ -0,0 +1,18 @@
+package server
+
+type Message interface {
+	Execute()
+}
+
+func HandlerMessage(srv *server, handler func(srv *server)) Message {
+	return &handlerMessage{srv: srv, handler: handler}
+}
+
+type handlerMessage struct {
+	srv     *server
+	handler func(srv *server)
+}
+
+func (s *handlerMessage) Execute() {
+	s.handler(s.srv)
+}