/
datapack.go
52 lines (40 loc) · 1.06 KB
/
datapack.go
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package znet
import (
"bytes"
"encoding/binary"
"github.com/FelixStarship/go11/leo/leov3.0/ziface"
)
type DataPack struct {
}
func NewDataPack() *DataPack {
return &DataPack{}
}
func (d *DataPack) GetHeadLen() uint32 {
return 8
}
// 封包
func (d *DataPack) Pack(msg ziface.IMessage) ([]byte, error) {
dataBuff := bytes.NewBuffer([]byte{})
//tlv格式数据包封包
if err := binary.Write(dataBuff, binary.LittleEndian, msg.GetMsgID()); err != nil {
return nil, err
}
if err := binary.Write(dataBuff, binary.LittleEndian, msg.GetDataLen()); err != nil {
return nil, err
}
if err := binary.Write(dataBuff, binary.LittleEndian, msg.GetData()); err != nil {
return nil, err
}
return dataBuff.Bytes(), nil
}
func (d *DataPack) UnPack(binaryData []byte) (ziface.IMessage, error) {
dataBuff := bytes.NewReader(binaryData)
msg := &Message{}
if err := binary.Read(dataBuff, binary.LittleEndian, &msg.ID); err != nil {
return nil, err
}
if err := binary.Read(dataBuff, binary.LittleEndian, &msg.DataLen); err != nil {
return nil, err
}
return msg, nil
}