func (c *Client) Response(msg *protocol.DataPackage) error { head := msg.Head tail := msg.Tail if (head.Command == protocol.CLIENT_CMD_USER_LOGIN || head.Command == protocol.CLIENT_CMD_USER_REGISTER) && tail.UID != 0 { c.Uid = tail.UID c.Stat = CLIENT_STATE_ONLINE } buf := protocol.GetBuffer() defer protocol.PutBuffer(buf) binary.Write(buf, binary.BigEndian, head) binary.Write(buf, binary.BigEndian, msg.BodyData()) // write to Conn c.Conn.SetDeadline(time.Now().Add(NET_WRITE_DATELINE)) if _, err := c.Conn.Write(buf.Bytes()); err != nil { if e, ok := err.(net.Error); ok && e.Timeout() { syslog.Info("write timeouat:", err, *c) return nil } syslog.Warn("write to conn fail :", err.Error(), msg.Tail) return errors.As(err) } else { syslog.Debug2("write to conn success:", head, string(msg.BodyData()), msg.Tail) } return nil }