BytesToMySQLPacket converts a byte slice to a MySQL packet.

GetPayloadLength returns the length of the payload from the first 3 bytes of the packet.

ReadFirstBuffer reads the first buffer from either clientConn or destConn.

ReadNullTerminatedString reads a null-terminated string from a byte slice.

ReadPacketBuffer reads a MySQL packet from the connection.

ReadPacketStream reads packets from the connection and sends them to the bufferChannel.