initial import

example/http/shedding/Dockerfile

@@ -0,0 +1,11 @@
+FROM alpine
+
+RUN apk update --no-cache
+RUN apk add --no-cache ca-certificates
+RUN apk add --no-cache tzdata
+ENV TZ Asia/Shanghai
+
+WORKDIR /app
+COPY main /app/main
+
+CMD ["./main"]

example/http/shedding/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"flag"
+	"math"
+	"net/http"
+	"time"
+
+	"zero/core/httpx"
+	"zero/core/logx"
+	"zero/core/service"
+	"zero/ngin"
+)
+
+var (
+	port    = flag.Int("port", 3333, "the port to listen")
+	timeout = flag.Int64("timeout", 1000, "timeout of milliseconds")
+	cpu     = flag.Int64("cpu", 500, "cpu threshold")
+)
+
+type Request struct {
+	User string `form:"user,optional"`
+}
+
+func handle(w http.ResponseWriter, r *http.Request) {
+	var req Request
+	err := httpx.Parse(r, &req)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	var result float64
+	for i := 0; i < 30000; i++ {
+		result += math.Sqrt(float64(i))
+	}
+	time.Sleep(time.Millisecond * 5)
+	httpx.OkJson(w, result)
+}
+
+func main() {
+	flag.Parse()
+
+	logx.Disable()
+	engine := ngin.MustNewEngine(ngin.NgConf{
+		ServiceConf: service.ServiceConf{
+			Log: logx.LogConf{
+				Mode: "console",
+			},
+		},
+		Port:         *port,
+		Timeout:      *timeout,
+		CpuThreshold: *cpu,
+	})
+	defer engine.Stop()
+
+	engine.AddRoute(ngin.Route{
+		Method:  http.MethodGet,
+		Path:    "/",
+		Handler: handle,
+	})
+	engine.Start()
+}