aceld / aceld/zinx

一个包2次IO, 优化方案:一次性读取然后对其进行粘包处理

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#74 2 comments 0 reactions 0 assignees View on GitHub
Dominant language
Go
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Description

```golang
// 创建拆包解包的对象
dp := NewDataPack()

//读取客户端的Msg head
headData := make([]byte, dp.GetHeadLen())
if _, err := io.ReadFull(c.Conn, headData); err != nil {
fmt.Println("read msg head error ", err)
break
}
//fmt.Printf("read headData %+v\n", headData)

//拆包,得到msgid 和 datalen 放在msg中
msg, err := dp.Unpack(headData)
if err != nil {
fmt.Println("unpack error ", err)
break
}

//根据 dataLen 读取 data,放在msg.Data中
var data []byte
if msg.GetDataLen() > 0 {
data = make([]byte, msg.GetDataLen())
if _, err := io.ReadFull(c.Conn, data); err != nil {
fmt.Println("read msg data error ", err)
break
}
}
msg.SetData(data)
```

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