Esempio n. 1
0
        private void Negotiate(MySqlStream channel)
        {
            var body = channel.ReadPacket();
            HandshakeInitializationPacket handshakePacket = new HandshakeInitializationPacket();

            handshakePacket.FromBytes(body);
            ConnectionId = handshakePacket.ThreadId;

            _logger.LogInformation("Handshake initialization packet received, prepare the client authentication packet to send");

            ClientAuthenticationPacket clientAuth = new ClientAuthenticationPacket();

            clientAuth.CharsetNumber = CharsetNumber;
            clientAuth.UserName      = UserName;
            clientAuth.Password      = Password;
            clientAuth.DatabaseName  = DefaultSchema;
            clientAuth.ScrumbleBuff  = handshakePacket.EncryptionSeed;

            var clientAuthPkgBody = clientAuth.ToBytes();

            channel.SendPacket(clientAuthPkgBody);
            _logger.LogInformation("Client Authentication Packet is sent out.");

            channel.ReadPacket();
        }
Esempio n. 2
0
        public ResultSetPacket Query(string queryString)
        {
            _channel.SequenceByte = 0;

            QueryCommandPacket cmd = new QueryCommandPacket();

            cmd.QueryString = queryString;
            _channel.SendPacket(cmd.ToBytes());

            var result = _channel.ReadPacket();

            ResultSetHeaderPacket rsHeader = new ResultSetHeaderPacket();

            rsHeader.FromBytes(result);

            var fields = new List <FieldPacket>();

            for (int i = 0; i < rsHeader.ColumnCount; i++)
            {
                var fp = new FieldPacket();
                fp.FromBytes(_channel.ReadPacket());
                fields.Add(fp);
            }

            ReadEofPacket();

            var rowData = new List <RowDataPacket>();

            while (true)
            {
                var body = _channel.ReadPacket();
                if (body.Buffer[0] == 254)
                {
                    break;
                }
                var rowDataPacket = new RowDataPacket();
                rowDataPacket.FromBytes(body);
                rowData.Add(rowDataPacket);
            }

            var resultSet = new ResultSetPacket();

            resultSet.FieldDescriptors.AddRange(fields);
            foreach (var r in rowData)
            {
                resultSet.FieldValues.AddRange(r.Columns);
            }
            resultSet.SourceAddress = Address;

            return(resultSet);
        }