144 lines
2.4 KiB
Go
144 lines
2.4 KiB
Go
package main
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import (
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"bufio"
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"encoding/json"
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"flag"
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"fmt"
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"log"
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"net/http"
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"net/url"
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"os"
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"os/signal"
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"strconv"
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"syscall"
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"time"
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"github.com/gorilla/websocket"
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"github.com/oofpgDLD/dtask/proto"
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)
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var addr = flag.String("addr", "172.16.101.107:17070", "http service address")
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var (
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closer = make(chan int, 1)
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times = 5
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users = 10000
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u = url.URL{Scheme: "ws", Host: *addr, Path: "/test"}
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)
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func main() {
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flag.Parse()
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log.SetFlags(0)
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for i := 0; i < users; i++ {
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go NewUser(i, times)
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}
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go getInputByScanner()
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// init signal
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
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for {
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s := <-c
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log.Printf("client get a signal %s", s.String())
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switch s {
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case syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT:
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log.Print("client exit")
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return
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case syscall.SIGHUP:
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// TODO reload
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default:
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return
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}
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}
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}
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func NewUser(id int, times int) {
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uid := fmt.Sprint(id)
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log.Printf("connecting to %s, id %v", u.String(), fmt.Sprint(id))
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c, resp, err := websocket.DefaultDialer.Dial(u.String(), http.Header{
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"FZM-UID": {fmt.Sprint(id)},
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})
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if err != nil {
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log.Fatal("dial:", err, resp, u.String())
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return
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}
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defer c.Close()
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done := make(chan struct{})
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go func() {
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defer close(done)
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for {
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_, message, err := c.ReadMessage()
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if err != nil {
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log.Println("read:", err)
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return
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}
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log.Printf("recv: %s", message)
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}
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}()
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seq := 0
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ticker := time.NewTicker(time.Millisecond * 500)
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defer ticker.Stop()
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for {
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select {
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case <-done:
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return
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case <-ticker.C:
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seq++
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msg, err := Msg(uid, int64(seq))
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if err != nil {
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log.Println("marshal proto:", err)
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return
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}
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err = c.WriteMessage(websocket.TextMessage, msg)
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if err != nil {
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log.Println("write:", err)
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return
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}
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if seq >= times {
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ticker.Stop()
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}
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case index := <-closer:
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log.Println("interrupt")
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if index == id {
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log.Println("exit")
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return
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}
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closer <- index
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}
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}
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}
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func Msg(uid string, seq int64) ([]byte, error) {
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p := &proto.Proto{
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Uid: uid,
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Opt: proto.Start,
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Seq: seq,
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}
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return json.Marshal(p)
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}
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func getInputByScanner() string {
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var str string
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for {
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//使用os.Stdin开启输入流
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in := bufio.NewScanner(os.Stdin)
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if in.Scan() {
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str = in.Text()
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} else {
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str = "Find input error"
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}
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index, err := strconv.ParseInt(str, 10, 64)
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if err != nil {
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continue
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}
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closer <- int(index)
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}
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}
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