// WithReadDeadline sets a new read side net.Conn deadline.
func (c *DeadlineConn) WithReadDeadline(d time.Duration) *DeadlineConn {
	c.readDeadline = d
	return c
}

// WithWriteDeadline sets a new write side net.Conn deadline.
func (c *DeadlineConn) WithWriteDeadline(d time.Duration) *DeadlineConn {
	c.writeDeadline = d
	return c
}

// New - creates a new connection object wrapping net.Conn with deadlines.

		if terr != nil {
			t.Errorf("failed to accept new connection. %v", terr)
			return
		}
		deadlineconn := New(tcpConn)
		deadlineconn.WithReadDeadline(time.Second)
		deadlineconn.WithWriteDeadline(time.Second)
		defer deadlineconn.Close()

		// Read a line
		b := make([]byte, 12)
		_, terr = deadlineconn.Read(b)
		if terr != nil {
			t.Errorf("failed to read from client. %v", terr)
			return
		}

	select {
	case result, ok := <-listener.acceptCh:
		if ok {
			return deadlineconn.New(result.conn).
				WithReadDeadline(listener.opts.ClientReadTimeout).
				WithWriteDeadline(listener.opts.ClientWriteTimeout), result.err
		}
	case <-listener.ctx.Done():
	}
	return nil, syscall.EINVAL
}

// Close - closes underneath all TCP listeners.