livestatus/src/BlobColumn.h

   1 // +------------------------------------------------------------------+
   2 // |             ____ _               _        __  __ _  __           |
   3 // |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   4 // |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   5 // |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   6 // |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   7 // |                                                                  |
   8 // | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
   9 // +------------------------------------------------------------------+
  10 //
  11 // This file is part of Check_MK.
  12 // The official homepage is at http://mathias-kettner.de/check_mk.
  13 //
  14 // check_mk is free software;  you can redistribute it and/or modify it
  15 // under the  terms of the  GNU General Public License  as published by
  16 // the Free Software Foundation in version 2.  check_mk is  distributed
  17 // in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  18 // out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  19 // PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  20 // tails. You should have  received  a copy of the  GNU  General Public
  21 // License along with GNU Make; see the file  COPYING.  If  not,  write
  22 // to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  23 // Boston, MA 02110-1301 USA.
  24
  25 #ifndef BlobColumn_h
  26 #define BlobColumn_h
  27
  28 #include "config.h"  // IWYU pragma: keep
  29 #include <chrono>
  30 #include <memory>
  31 #include <string>
  32 #include <vector>
  33 #include "Column.h"
  34 #include "Filter.h"
  35 #include "contact_fwd.h"
  36 #include "opids.h"
  37 class Aggregator;
  38 class Row;
  39 class RowRenderer;
  40
  41 class BlobColumn : public Column {
  42 public:
  43     BlobColumn(const std::string &name, const std::string &description,
  44                int indirect_offset, int extra_offset, int extra_extra_offset,
  45                int offset)
  46         : Column(name, description, indirect_offset, extra_offset,
  47                  extra_extra_offset, offset) {}
  48
  49     ColumnType type() const override { return ColumnType::blob; }
  50
  51     void output(Row row, RowRenderer &r, const contact *auth_user,
  52                 std::chrono::seconds timezone_offset) const override;
  53
  54     std::unique_ptr<Filter> createFilter(
  55         Filter::Kind kind, RelationalOperator relOp,
  56         const std::string &value) const override;
  57
  58     std::unique_ptr<Aggregator> createAggregator(
  59         AggregationFactory factory) const override;
  60
  61     virtual std::unique_ptr<std::vector<char>> getValue(Row row) const = 0;
  62 };
  63
  64 #endif  // BlobColumn_h