Send single buffer `payload` and receive a single buffer.
        
        Args:
            payload(bytes): Data to send.

def _send_receive(self, payload):
        """
        Send single buffer `payload` and receive a single buffer.
        
        Args:
            payload(bytes): Data to send.
        """
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
        s.settimeout(self.connection_timeout)
        s.connect((self.address, self.port))
        s.send(payload)
        data = s.recv(1024)
        s.close()
        return data