⚡️ 提升「服务」页面抗击打能力

cmd/dashboard/controller/common_page.go

@@ -11,6 +11,7 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/gorilla/websocket"
 	"github.com/hashicorp/go-uuid"
+	"github.com/jinzhu/copier"
 	"golang.org/x/crypto/bcrypt"
 	"golang.org/x/sync/singleflight"
 
@@ -100,12 +101,22 @@ func (p *commonPage) checkViewPassword(c *gin.Context) {
 }
 
 func (p *commonPage) service(c *gin.Context) {
-	singleton.AlertsLock.RLock()
-	defer singleton.AlertsLock.RUnlock()
+	res, _, _ := p.requestGroup.Do("servicePage", func() (interface{}, error) {
+		singleton.AlertsLock.RLock()
+		defer singleton.AlertsLock.RUnlock()
+		var stats map[uint64]model.ServiceItemResponse
+		var statsStore map[uint64]model.CycleTransferStats
+		copier.Copy(&stats, singleton.ServiceSentinelShared.LoadStats())
+		copier.Copy(&statsStore, singleton.AlertsCycleTransferStatsStore)
+		return []interface {
+		}{
+			stats, statsStore,
+		}, nil
+	})
 	c.HTML(http.StatusOK, "theme-"+singleton.Conf.Site.Theme+"/service", mygin.CommonEnvironment(c, gin.H{
 		"Title":              "服务状态",
-		"Services":           singleton.ServiceSentinelShared.LoadStats(),
-		"CycleTransferStats": singleton.AlertsCycleTransferStatsStore,
+		"Services":           res.([]interface{})[0],
+		"CycleTransferStats": res.([]interface{})[1],
 		"CustomCode":         singleton.Conf.Site.CustomCode,
 	}))
 }

cmd/playground/main.go

@@ -1,25 +1,27 @@
 package main
 
 import (
-	"log"
+	"fmt"
 
-	"github.com/robfig/cron/v3"
+	"github.com/jinzhu/copier"
 )
 
-func main() {
-	c := cron.New(cron.WithSeconds())
-	_, err := c.AddFunc("* * * * * *", func() {
-		log.Println("bingo second")
-	})
-	if err != nil {
-		panic(err)
-	}
-	_, err = c.AddFunc("* * * * *", func() {
-		log.Println("bingo minute")
-	})
-	if err != nil {
-		panic(err)
-	}
-	c.Start()
-	select {}
+type Cat struct {
+	age     int
+	name    string
+	friends []string
+}
+
+func main() {
+	a := Cat{7, "Wilson", []string{"Tom", "Tabata", "Willie"}}
+	b := Cat{7, "Wilson", []string{"Tom", "Tabata", "Willie"}}
+	c := Cat{7, "Wilson", []string{"Tom", "Tabata", "Willie"}}
+	wilson := []*Cat{&a, &b, &c}
+	nikita := []Cat{}
+	copier.Copy(&nikita, &wilson)
+
+	nikita[0].friends = append(nikita[0].friends, "Syd")
+
+	fmt.Println(wilson[0])
+	fmt.Println(nikita[0])
 }