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//go:build ignore
// +build ignore
package main
import (
"flag"
"log"
"net/http"
"sync"
_ "net/http/pprof"
"github.com/gorilla/websocket"
)
var addr = flag.String("addr", "localhost:8080", "http service address")
var upgrader = websocket.Upgrader{
ReadBufferSize: 256,
WriteBufferSize: 256,
WriteBufferPool: &sync.Pool{},
}
func process(c *websocket.Conn) {
defer c.Close()
for {
_, message, err := c.ReadMessage()
if err != nil {
log.Println("read:", err)
break
}
log.Printf("recv: %s", message)
}
}
func handler(w http.ResponseWriter, r *http.Request) {
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Print("upgrade:", err)
return
}
// Process connection in a new goroutine
go process(c)
// Let the http handler return, the 8k buffer created by it will be garbage collected
}
func main() {
flag.Parse()
log.SetFlags(0)
http.HandleFunc("/ws", handler)
log.Fatal(http.ListenAndServe(*addr, nil))
}
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