]> granicus.if.org Git - icinga2/blob - lib/livestatus/table.hpp
Merge pull request #5921 from widhalmt/feature/director-check-in-itl-5920
[icinga2] / lib / livestatus / table.hpp
1 /******************************************************************************
2  * Icinga 2                                                                   *
3  * Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/)  *
4  *                                                                            *
5  * This program is free software; you can redistribute it and/or              *
6  * modify it under the terms of the GNU General Public License                *
7  * as published by the Free Software Foundation; either version 2             *
8  * of the License, or (at your option) any later version.                     *
9  *                                                                            *
10  * This program is distributed in the hope that it will be useful,            *
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
13  * GNU General Public License for more details.                               *
14  *                                                                            *
15  * You should have received a copy of the GNU General Public License          *
16  * along with this program; if not, write to the Free Software Foundation     *
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
18  ******************************************************************************/
19
20 #ifndef TABLE_H
21 #define TABLE_H
22
23 #include "livestatus/column.hpp"
24 #include "base/object.hpp"
25 #include "base/dictionary.hpp"
26 #include "base/array.hpp"
27 #include <vector>
28
29 namespace icinga
30 {
31
32 struct LivestatusRowValue {
33         Value Row;
34         LivestatusGroupByType GroupByType;
35         Value GroupByObject;
36 };
37
38 typedef std::function<bool (const Value&, LivestatusGroupByType, const Object::Ptr&)> AddRowFunction;
39
40 class Filter;
41
42 /**
43  * @ingroup livestatus
44  */
45 class Table : public Object
46 {
47 public:
48         DECLARE_PTR_TYPEDEFS(Table);
49
50         static Table::Ptr GetByName(const String& name, const String& compat_log_path = "", const unsigned long& from = 0, const unsigned long& until = 0);
51
52         virtual String GetName() const = 0;
53         virtual String GetPrefix() const = 0;
54
55         std::vector<LivestatusRowValue> FilterRows(const intrusive_ptr<Filter>& filter, int limit = -1);
56
57         void AddColumn(const String& name, const Column& column);
58         Column GetColumn(const String& name) const;
59         std::vector<String> GetColumnNames() const;
60
61         LivestatusGroupByType GetGroupByType() const;
62
63 protected:
64         Table(LivestatusGroupByType type = LivestatusGroupByNone);
65
66         virtual void FetchRows(const AddRowFunction& addRowFn) = 0;
67
68         static Value ZeroAccessor(const Value&);
69         static Value OneAccessor(const Value&);
70         static Value EmptyStringAccessor(const Value&);
71         static Value EmptyArrayAccessor(const Value&);
72         static Value EmptyDictionaryAccessor(const Value&);
73
74         LivestatusGroupByType m_GroupByType;
75         Value m_GroupByObject;
76
77 private:
78         std::map<String, Column> m_Columns;
79
80         bool FilteredAddRow(std::vector<LivestatusRowValue>& rs, const intrusive_ptr<Filter>& filter, int limit, const Value& row, LivestatusGroupByType groupByType, const Object::Ptr& groupByObject);
81 };
82
83 }
84
85 #endif /* TABLE_H */
86
87 #include "livestatus/filter.hpp"