package main

import (
	"fmt"
	"io"
	"log"
	"net"
	"os"
)

func mustCopy(dst io.Writer,src io.Reader) {
	if _,err := io.Copy(dst,src); err != nil {
		log.Fatalf("Error in mustCopy %s",err)
	}

}

func main() {
	conn,err := net.Dial("tcp",":9090")
	if err != nil {
		log.Fatalf("Error in Dial %s",err)
	}
	defer conn.Close()
	done := make(chan struct{})
	
	go func() {
		io.Copy(os.Stdin,conn)
		fmt.Println("done")
		done <- struct{}{}
	}()
	io.Copy(conn,os.Stdout)
	conn.Close()
	<-done
}