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package main
import ( "fmt" "github.com/aceld/zinx/znet" "io" "net" "time")
/* 模拟客户端*/func main() {
fmt.Println("Client Test ... start") //3秒之后发起测试请求，给服务端开启服务的机会
time.Sleep(3 * time.Second)
conn, err := net.Dial("tcp", "127.0.0.1:7777") if err != nil { fmt.Println("client start err, exit!") return }
for n := 3; n >= 0; n-- { //发封包message消息
dp := znet.NewDataPack() msg, _ := dp.Pack(znet.NewMsgPackage(1, []byte("Zinx V0.8 Client1 Test Message"))) _, err := conn.Write(msg) if err != nil { fmt.Println("write error err ", err) return }
//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)) }
time.Sleep(1 * time.Second) }}
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