package main
  
  import (

  	"bytes"
  	"encoding/binary"
  	"net"

  	"pro2d/src/components/logger"
  	net2 "pro2d/src/components/net"

  )
  

  func main() {

  	head := &net2.Head{

  		Length:   0,
  		Cmd:      1,
  		ErrCode:  0,
  		PreField: 0,

  	}

  	b := net2.MsgPkg{
  		Head: head,
  		Body: []byte("hello world"),

  	}

  	head.Length = int32(16 + len(b.Body))
  	buf := &bytes.Buffer{}
  	err := binary.Write(buf, binary.BigEndian, head)

  	if err != nil {

  		logger.Error("err: %v, head: %v", err, head)

  		return
  	}

  	logger.Debug("head: %v", head)

  	err = binary.Write(buf, binary.BigEndian, b.Body)

  	if err != nil {

  		logger.Error("err: %v, msg: %v", err, b.Body)

  		return
  	}

  	client, err := net.Dial("tcp", "localhost:8849")

  	if err != nil {

  		logger.Error(err)

  		return
  	}

  	client.Write(buf.Bytes())
  	select {}

  }