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package main
import ( "fmt" "io" "net"
"github.com/aceld/zinx/znet" )
//只是负责测试datapack拆包,封包功能
func main() { //创建socket TCP Server
listener, err := net.Listen("tcp", "127.0.0.1:7777") if err != nil { fmt.Println("server listen err:", err) return }
//创建服务器gotoutine,负责从客户端goroutine读取粘包的数据,然后进行解析
for { conn, err := listener.Accept() if err != nil { fmt.Println("server accept err:", err) }
//处理客户端请求
go func(conn net.Conn) { //创建封包拆包对象dp
dp := znet.NewDataPack() for { //1 先读出流中的head部分
headData := make([]byte, dp.GetHeadLen()) _, err := io.ReadFull(conn, headData) //ReadFull 会把msg填充满为止
if err != nil { fmt.Println("read head error") break } //将headData字节流 拆包到msg中
msgHead, err := dp.Unpack(headData) if err != nil { fmt.Println("server unpack err:", err) return }
if msgHead.GetDataLen() > 0 { //msg 是有data数据的,需要再次读取data数据
msg := msgHead.(*znet.Message) msg.Data = make([]byte, msg.GetDataLen())
//根据dataLen从io中读取字节流
_, err := io.ReadFull(conn, msg.Data) if err != nil { fmt.Println("server unpack data err:", err) return }
fmt.Println("==> Recv Msg: ID=", msg.ID, ", len=", msg.DataLen, ", data=", string(msg.Data)) } } }(conn) }
//阻塞
select {} }
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