Пример #1
0
        private TdsToken CreateData(TokenDescriptor tokenDesc, TdsResponseStream stream, Encoding encoder, FormatToken lastFormat)
        {
            if (lastFormat == null)
            {
                _logger?.LogError($"Format for {tokenDesc.TokenType} not found");
                throw new Exception($"Format for {tokenDesc.TokenType} not found");
            }

            var data = new List <object>();

            foreach (var f in lastFormat.Formats)
            {
                data.Add(TypeReader.ReadData(f, stream, encoder));
            }

            return(new DataToken(tokenDesc.TokenType)
            {
                Data = data,
            });
        }
Пример #2
0
        private TdsToken CreateFormat(TokenDescriptor tokenDesc, TdsResponseStream stream, Encoding encoder, FormatToken lastFormat)
        {
            int len;

            if (tokenDesc.Len == TokenLength.FourByteLen)
            {
                len = stream.ReadInt();
            }
            else
            {
                len = stream.ReadShort();
            }

            int numFormats = stream.ReadShort();

            var formats = new List <FormatToken.Format>();

            for (int i = 0; i < numFormats; i++)
            {
                var f = new FormatToken.Format
                {
                    Params = tokenDesc.TokenType == TokenType.TDS_PARAMFMT || tokenDesc.TokenType == TokenType.TDS_PARAMFMT2,
                };

                int nameLen = stream.Read();
                f.Name = stream.ReadString(nameLen);

                if (tokenDesc.TokenType == TokenType.TDS_ROWFMT2)
                {
                    int catalogNameLen = stream.Read();
                    f.CatalogName = stream.ReadString(catalogNameLen);
                    int schemaNameLen = stream.Read();
                    f.SchemaName = stream.ReadString(schemaNameLen);
                    int tableNameLen = stream.Read();
                    f.TableName = stream.ReadString(tableNameLen);
                    int columnNameLen = stream.Read();
                    f.ColumnName = stream.ReadString(columnNameLen);
                }

                if (tokenDesc.Len == TokenLength.FourByteLen)
                {
                    f.Status = stream.ReadInt();
                }
                else
                {
                    f.Status = stream.Read();
                }

                f.UserType = (UserDataType)stream.ReadInt();
                f.Type     = (TdsType)stream.Read();

                TypeReader.ReadFormat(f, stream);

                formats.Add(f);
            }

            return(new FormatToken(tokenDesc.TokenType)
            {
                Formats = formats,
            });
        }