def _send_packet(self, data, seq=None):
if not self._s:
raise Error("Attempt to run a command on a closed connection.")
if seq is not None:
self._seq = seq
else:
self._seq += 1
packet = "%s%s%s" % (_encode_int(len(data), 3), _encode_int(self._seq), data)
self._log.debug("Sending packet %s", hack.hexify(packet))
if self._s.sendall(packet) is not None:
raise InterfaceError("Send failed.")
return len(packet)
def _read_packet(self):
packet_len, seq = self._get_header()
while MYSQL_HEADER_SIZE > self._recv_length or packet_len + MYSQL_HEADER_SIZE > self._recv_length:
self._recv()
if packet_len is None:
# TODO Make this less messy
packet_len, seq = self._get_header()
data = self._recv_buffer[MYSQL_HEADER_SIZE : MYSQL_HEADER_SIZE + packet_len]
self._recv_buffer = self._recv_buffer[MYSQL_HEADER_SIZE + packet_len :]
self._recv_length = self._recv_length - (MYSQL_HEADER_SIZE + packet_len)
self._log.debug("ipkt%d:%s", seq, hack.hexify(data))
return seq, data
