livestatus/src/TableStateHistory.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 TableStateHistory_h
  26 #define TableStateHistory_h
  27
  28 #include "config.h"  // IWYU pragma: keep
  29 #include <map>
  30 #include <memory>
  31 #include <string>
  32 #include "LogCache.h"
  33 #include "Logfile.h"
  34 #include "Table.h"
  35 class Column;
  36 class Filter;
  37 class HostServiceState;
  38 class LogEntry;
  39 class MonitoringCore;
  40 class Query;
  41 class Row;
  42
  43 #ifdef CMC
  44 #include "cmc.h"
  45 #else
  46 #include "contact_fwd.h"
  47 #endif
  48
  49 class TableStateHistory : public Table {
  50 public:
  51     TableStateHistory(MonitoringCore *mc, LogCache *log_cache);
  52
  53     std::string name() const override;
  54     std::string namePrefix() const override;
  55     void answerQuery(Query *query) override;
  56     bool isAuthorized(Row row, const contact *ctc) const override;
  57     std::shared_ptr<Column> column(std::string colname) const override;
  58     static std::unique_ptr<Filter> createPartialFilter(const Query &query);
  59
  60 protected:
  61     bool _abort_query;
  62
  63 private:
  64     LogCache *_log_cache;
  65
  66     int _query_timeframe;
  67     int _since;
  68     int _until;
  69
  70     // Notification periods information, name: active(1)/inactive(0)
  71     std::map<std::string, int> _notification_periods;
  72
  73     // Helper functions to traverse through logfiles
  74     logfiles_t::const_iterator _it_logs;
  75     const logfile_entries_t *_entries;
  76     logfile_entries_t::const_iterator _it_entries;
  77
  78     void getPreviousLogentry();
  79     LogEntry *getNextLogentry();
  80     void process(Query *query, HostServiceState *hs_state);
  81     int updateHostServiceState(Query *query, const LogEntry *entry,
  82                                HostServiceState *hs_state, bool only_update);
  83 };
  84
  85 #endif  // TableStateHistory_h