Client I used stress testing of my server

client.go

package main

import (
	"bufio"
	"fmt"
	"net"
	"os"
	"strconv"
	"time"
)

// ./test <ip:port> <delay> <data> <connections count>
// ./test 115.186.176.139:23 5 ps 1000

func main() {

	address := os.Args[1]
	n, err := strconv.Atoi(os.Args[2])
	if err != nil {
		fmt.Println("invalid delay: ", os.Args[2])
		return
	}

	data := os.Args[3]
	fmt.Println("Data to be sent: ", data)
	delay := time.Duration(n) * time.Millisecond
	connectionsCount, err := strconv.Atoi(os.Args[4])
	if err != nil {
		fmt.Println("invalid connections count: ", os.Args[2])
		return
	}
	localCounter := 0
a:
	conn, err := net.Dial("tcp", address)
	if err != nil {
		fmt.Println("Connection nil")
		return
	}
	go func() {
		fmt.Fprintf(conn, data)
		// listen for reply
		message, _ := bufio.NewReader(conn).ReadString('\n')
		fmt.Println("Message from server: ", message)
		message, _ = bufio.NewReader(conn).ReadString('\n')
		fmt.Println("Message from server: ", message)
		for {
			if conn == nil {
				fmt.Println("+++++++++++Connection closed already")
				break
			}
			fmt.Fprintf(conn, data)
			message, _ = bufio.NewReader(conn).ReadString('\n')
			fmt.Println("Message from server: ", message)
			time.Sleep(1 * time.Minute)
		}
	}()
	time.Sleep(delay)
	if localCounter > connectionsCount {
		time.Sleep(30 * time.Minute)
		return
	}
	localCounter++
	fmt.Println("Connections initiated: ", localCounter)
	goto a
}