/
client.go
103 lines (91 loc) · 1.97 KB
/
client.go
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package main
import (
"fmt"
"github.com/gorilla/websocket"
"net"
"net/http"
"net/url"
"time"
)
func sendHeartbeats(wsConn *websocket.Conn) {
ticker := time.NewTicker(3 * time.Second)
quit := make(chan struct{})
go func() {
for {
select {
case <-ticker.C:
wsConn.WriteMessage(websocket.TextMessage, []byte(fmt.Sprintf("primus::ping:%d", time.Now().UnixNano()/int64(time.Millisecond))))
// scount++
// fmt.Printf("s: %d\n", scount)
case <-quit:
ticker.Stop()
return
}
}
}()
}
func addReadListener(recd chan []byte, quit chan bool) {
go func() {
for {
select {
case <-recd:
// rcount++
fmt.Println("received: " + string(<-recd))
// fmt.Printf("r: %d\n", rcount)
}
}
}()
}
func startClient() {
fmt.Println("start...")
// rcount = 0
// scount = 0
url, err := url.Parse("http://localhost:4000/")
if err != nil {
fmt.Println("url parse failed")
fmt.Println(err.Error())
return
}
conn, err := net.Dial("tcp", url.Host)
if err != nil {
fmt.Println("dial failed")
fmt.Println(err.Error())
return
}
if conn == nil {
fmt.Println("Conn nil")
}
requestHeader := http.Header{
"Origin": {"http://localhost:4000"},
"Sec-WebSocket-Extensions": {"permessage-deflate; client_max_window_bits, x-webkit-deflate-frame"},
}
wsConn, response, err := websocket.NewClient(conn, url, requestHeader, 1024, 1024)
if err != nil {
fmt.Println("newClient failed")
fmt.Println(response)
fmt.Println(err.Error())
}
// fmt.Println("Creating Channels")
recd := make(chan []byte, 1)
quit := make(chan bool, 2)
wsConn.WriteMessage(websocket.TextMessage, []byte("Hey"))
// scount++
// fmt.Printf("s: %d\n", scount)
addReadListener(recd, quit)
sendHeartbeats(wsConn)
for {
_, received, err := wsConn.ReadMessage()
if err != nil {
fmt.Println("read failed")
fmt.Println(err.Error())
break
}
recd <- received
}
}
func main() {
for i := 0; i < 10; i++ {
go startClient()
}
select {}
}