gistfile1.go

package main

import (
	"bytes"
	"encoding/binary"
	"errors"
	"fmt"
	"io"
	"io/ioutil"
)

const (
	TNBU = 1414414933
)

var (
	InvalidMagic   = errors.New("Invalid magic in packet.")
	InvalidVersion = errors.New("Invalid packet version.")
)

type airosPacket struct {
	Magic         int32
	PacketVersion int32
	MessageFlags  int8
	MessageFormat int8
	MessageType   int16
	RequestId     [16]byte
	PayloadLength int32
}

var packet = []byte{
	84, 78, 66, 85, 0, 0, 0, 2,
	0, 1, 0, 3, 154, 11, 151, 40,
	171, 175, 65, 83, 180, 239,
	231, 4, 78, 178, 109, 144,
	0, 0, 0, 3, 102, 111, 111,
}

func ReadPacket(buf io.Reader, into interface{}) (airosPacket, error) {
	ap := airosPacket{}
	err := binary.Read(buf, binary.BigEndian, &ap)
	if err != nil {
		return ap, err
	}

}

func main() {
	rdr := bytes.NewReader(packet)
	ap := airosPacket{}
	fmt.Println(binary.Read(rdr, binary.BigEndian, &ap))
	fmt.Println(ap)
	b, _ := ioutil.ReadAll(rdr)
	fmt.Println(string(b))
}