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96 lines
1.6 KiB
Go
96 lines
1.6 KiB
Go
package main
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import (
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"errors"
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"flag"
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"fmt"
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"io"
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"net/http"
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"os"
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"sync/atomic"
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"time"
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"github.com/tal-tech/go-zero/core/fx"
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"github.com/tal-tech/go-zero/core/logx"
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)
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var (
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errServiceUnavailable = errors.New("service unavailable")
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total int64
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pass int64
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fail int64
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drop int64
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seconds int64 = 1
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)
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func main() {
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flag.Parse()
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fp, err := os.Create("result.csv")
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logx.Must(err)
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defer fp.Close()
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fmt.Fprintln(fp, "seconds,total,pass,fail,drop")
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go func() {
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ticker := time.NewTicker(time.Second)
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defer ticker.Stop()
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for range ticker.C {
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reset(fp)
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}
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}()
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for i := 0; ; i++ {
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it := time.NewTicker(time.Second / time.Duration(atomic.LoadInt64(&seconds)))
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func() {
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for j := 0; j < int(seconds); j++ {
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<-it.C
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go issueRequest()
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}
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}()
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it.Stop()
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cur := atomic.AddInt64(&seconds, 1)
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fmt.Println(cur)
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}
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}
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func issueRequest() {
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atomic.AddInt64(&total, 1)
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err := fx.DoWithTimeout(func() error {
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return job()
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}, time.Second)
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switch err {
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case nil:
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atomic.AddInt64(&pass, 1)
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case errServiceUnavailable:
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atomic.AddInt64(&drop, 1)
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default:
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atomic.AddInt64(&fail, 1)
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}
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}
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func job() error {
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resp, err := http.Get("http://localhost:3333/")
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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switch resp.StatusCode {
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case http.StatusOK:
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return nil
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default:
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return errServiceUnavailable
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}
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}
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func reset(writer io.Writer) {
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fmt.Fprintf(writer, "%d,%d,%d,%d,%d\n",
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atomic.LoadInt64(&seconds),
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atomic.SwapInt64(&total, 0),
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atomic.SwapInt64(&pass, 0),
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atomic.SwapInt64(&fail, 0),
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atomic.SwapInt64(&drop, 0),
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)
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}
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