[API节点]列表显示版本号、CPU、内存、状态等信息

internal/events/events.go

@@ -1,5 +1,14 @@
 package events
 
+type Event = string
+
+const (
+	EventStart  Event = "start"  // start loading
+	EventLoaded Event = "loaded" // first load
+	EventQuit   Event = "quit"   // quit node gracefully
+	EventReload Event = "reload" // reload config
+)
+
 // 节点更新事件
 // TODO 改成事件
 var NodeDNSChanges = make(chan int64, 128)