init

collector.go

@@ -112,9 +112,16 @@ func (coll *Collector) parse(res *Response) {
 	// Set result
 	elem := reflect.ValueOf(node).Elem()
 	field := elem.FieldByName(strings.Title(coll.collectType))
-	field.Set(reflect.ValueOf(result))
 
-	nodeserver.SendAll(node)
+	log.Println(field)
+	log.Println(result)
+
+	if !reflect.DeepEqual(field,result){
+		nodeserver.SendAll(node)
+		log.Println("get a node update")
+	}
+
+	field.Set(reflect.ValueOf(result))
 }
 
 func (coll *Collector) receiver() {

nodeclient.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"log"
 
 	"golang.org/x/net/websocket"
 )
@@ -58,18 +57,16 @@ func (c *NodeClient) Done() {
 
 // Listen Write and Read request via chanel
 func (c *NodeClient) Listen() {
-	go c.listenWrite()
+	c.listenWrite()
 }
 
 // Listen write request via chanel
 func (c *NodeClient) listenWrite() {
-	log.Println("Listening write to NodeClient")
 	for {
 		select {
 
 		// send message to the client
 		case node := <-c.ch:
-			log.Println("Send:", node)
 			websocket.JSON.Send(c.ws, node)
 
 		// receive done request

nodeserver.go

@@ -102,7 +102,6 @@ func (s *NodeServer) Listen() {
 
 		// broadcast message for all clients
 		case node := <-s.sendAllCh:
-			log.Println("Send all:", node)
 			s.sendAll(node)
 
 		case err := <-s.errCh: