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test.go
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test.go
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package main
import (
"fmt"
"time"
// "io/ioutil"
"log"
"net"
"os"
"github.com/jflyup/ugo/ugo"
)
func handleClient(c net.Conn) {
buf := make([]byte, 2000)
//c.SetDeadline(time.Now().Add(10 * time.Second))
var sum int
for {
if n, err := c.Read(buf); err == nil {
sum += n
c.Write([]byte("hello, client"))
} else {
fmt.Println("read err:", err)
break
}
}
c.Close()
fmt.Printf("recv %d bytes in total\n", sum)
}
func client() {
start := time.Now()
client, err := ugo.Dial("udp", "127.0.0.1:9000")
if err != nil {
fmt.Println(err)
return
}
//client.SetDeadline(time.Now().Add(10 * time.Second))
buf := make([]byte, 1000)
for i := 0; i < len(buf); i++ {
buf[i] = 95
}
var sum int
for i := 0; i < 10000; i++ {
if _, err := client.Write(buf); err != nil {
fmt.Println("error writing, exiting", err)
break
}
if n, err := client.Read(buf); err == nil {
sum += n
}
}
client.Close()
end := time.Now()
fmt.Printf("client recv response, %d bytes in %f seconds\n", sum, end.Sub(start).Seconds())
}
func main() {
log.SetFlags(log.LstdFlags | log.Lshortfile)
f, err := os.OpenFile("proxy.log", os.O_RDWR|os.O_CREATE, 0666)
if err != nil {
log.Printf("error opening file: %v", err)
}
defer f.Close()
log.SetOutput(f)
//log.SetOutput(ioutil.Discard)
if l, err := ugo.Listen("udp", "0.0.0.0:9000"); err == nil {
go client()
for {
if c, err := l.Accept(); err == nil {
go handleClient(c)
} else {
fmt.Println("accept error")
}
}
}
}