initial import

example/load/simulate/server/server.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"runtime"
+	"time"
+
+	"zero/core/fx"
+	"zero/core/logx"
+	"zero/core/service"
+	"zero/core/stat"
+	"zero/ngin"
+)
+
+const duration = time.Millisecond
+
+func main() {
+	go func() {
+		ticker := time.NewTicker(time.Second)
+		defer ticker.Stop()
+		for range ticker.C {
+			fmt.Printf("cpu: %d\n", stat.CpuUsage())
+		}
+	}()
+
+	logx.Disable()
+	engine := ngin.MustNewEngine(ngin.NgConf{
+		ServiceConf: service.ServiceConf{
+			Log: logx.LogConf{
+				Mode: "console",
+			},
+		},
+		Host:         "0.0.0.0",
+		Port:         3333,
+		CpuThreshold: 800,
+	})
+	defer engine.Stop()
+	engine.AddRoute(ngin.Route{
+		Method: http.MethodGet,
+		Path:   "/",
+		Handler: func(w http.ResponseWriter, r *http.Request) {
+			if err := fx.DoWithTimeout(func() error {
+				job(duration)
+				return nil
+			}, time.Millisecond*100); err != nil {
+				w.WriteHeader(http.StatusServiceUnavailable)
+			}
+		},
+	})
+	engine.Start()
+}
+
+func job(duration time.Duration) {
+	done := make(chan int)
+
+	for i := 0; i < runtime.NumCPU(); i++ {
+		go func() {
+			for {
+				select {
+				case <-done:
+					return
+				default:
+				}
+			}
+		}()
+	}
+
+	time.Sleep(duration)
+	close(done)
+}