udp server/client test sample

client.go

package main

import (
	"fmt"
	"net"
	"time"
)

func main() {
	data := make([]byte, 2048)

	conn, err := net.Dial("udp", "127.0.0.1:1234")
	if err != nil {
		fmt.Printf("Some error %v", err)
		return
	}

	start := time.Now()

	for i := 0; i < 100000; i++ {
		_, err = conn.Write([]byte(data))
		if err != nil {
			fmt.Println(err.Error())
		}
	}

	elapsed := time.Since(start)
	fmt.Println("elapsed time: ", elapsed)

	conn.Close()
}

server.go

package main

import (
	"fmt"
	"net"
	"time"
)

func main() {
	p := make([]byte, 2048)
	addr := net.UDPAddr{
		Port: 1234,
		IP:   net.ParseIP("127.0.0.1"),
	}
	ser, err := net.ListenUDP("udp", &addr)
	if err != nil {
		fmt.Printf("Some error %v\n", err)
		return
	}
	recvCnt := 0

	ticker := time.NewTicker(1 * time.Second)

	go func() {
		for {
			_, _, err := ser.ReadFromUDP(p)
			if err != nil {
				fmt.Printf("Some error %v", err)
				continue
			}
			recvCnt++
		}
	}()

	for {
		select {
		case <-ticker.C:
			fmt.Println("recv: ", recvCnt)
		}

	}
}