func main() {
tcpAddr, err := net.ResolveTCPAddr("tcp4", "127.0.0.1:8989")
if err != nil {
log.Println("err when new tcpAddr:", err)
return
}
conn, err := net.DialTCP("tcp", nil, tcpAddr)
if err != nil {
log.Println("err when new conn:", err)
return
}
ep := &ymtcp.EchoProtocolImpl{}
for i := 0; i < 5; i++ {
buff, err := ymtcp.MakePacket([]byte("hello"))
if err != nil {
log.Println("make packet err:", err)
continue
}
conn.Write(buff)
bytes, err := ep.ReadBytes(conn)
if err == nil {
log.Println("sever reply:", string(bytes))
} else {
log.Println("server err:", err)
}
time.Sleep(1 * time.Second)
}
conn.Close()
}
func (this *CallBack) MessageCome(c *ymtcp.Conn, bytes []byte) error {
addr := c.GetConnRemoteAddr()
log.Printf("message come from:[%s] [%s]\n", addr.String(), string(bytes))
buff, err := ymtcp.MakePacket(bytes)
if err != nil {
return err
}
c.WriteBytesToChan(buff)
return nil
}