package main

import(
	"fmt"
	"net"
	"bufio"
	"os"
	"strings"
)
func main()  {
	conn,err:=net.Dial("tcp","127.0.0.1:2345")
	defer conn.Close()
	if err!=nil{
		fmt.Println("net.Dial failed,err=",err)
		return
	}
	
	reader:=bufio.NewReader(os.Stdin)

	for{
		line,err:=reader.ReadString('\n')
		if err!=nil{
			fmt.Println("reader.ReadString failed,err=",err)
			return
		}
		line=strings.Trim(line,"\n")
	
		if line=="exit"{
			return
		}
		
		n,err:=conn.Write([]byte(line))
		if err!=nil{
			fmt.Println("conn.Write failed ,err=",err)
			return
		}
		
		fmt.Printf("client has send %d byte data\n",n)
	}
	
}