package main

import (
	"fmt"
	"io"
	"net"
	"time"

	"git.chuangxin1.com/csacred/toolkit/tcp"
)

func main() {
	tcp.NewTCPServer(":2020", func(conn *net.TCPConn) {
		defer conn.Close()

		conn.SetNoDelay(true)
		//conn.SetKeepAlive(keepalive)
		//bufr := bufio.NewReader(conn)
		var buf = make([]byte, 4096)
		for {
			conn.SetReadDeadline(time.Now().Add(time.Second * 10))

			//n, err := bufr.Read(buf)
			n, err := conn.Read(buf)
			if err != nil {
				if err == io.EOF {
					fmt.Println("EOF")
				} else if operr, ok := err.(*net.OpError); ok {
					fmt.Println("net.OpError")
					if operr.Timeout() {
						fmt.Println("I/O timeout: ", conn.RemoteAddr().String(), time.Now().Format("2006-01-02 15:04:05"))
						continue
					}
				}
				fmt.Println("err:", err)
				break
			}
			fmt.Printf("Read %d bytes\n", n)
			conn.Write(buf[:n])
		}
		println("End ", conn.RemoteAddr().String())
	})
}