model

type Encrypt struct {
	Key []byte
}

type HeadVersion struct {
	Protocol byte
	Version  uint8
}

type Model interface {
	Version() HeadVersion
	Compress(in string, out *os.File, encrypt *Encrypt) error
	Uncompress(in *bufio.Reader, out string, encrypt *Encrypt) error
	CheckPackage(in *bufio.Reader, encrypt *Encrypt) error
}