Drizzled Public API Documentation

logging_stats.h
1 /*
2  * Copyright (C) 2010 Joseph Daly <skinny.moey@gmail.com>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * * Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * * Neither the name of Joseph Daly nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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28  */
29 
30 #pragma once
31 
32 #include "scoreboard_slot.h"
33 #include "cumulative_stats.h"
34 #include "scoreboard.h"
35 
36 #include <drizzled/atomics.h>
37 #include <drizzled/enum.h>
38 #include <drizzled/plugin/logging.h>
39 
40 #include <string>
41 #include <vector>
42 
44 {
45 public:
46 
47  LoggingStats(std::string name_arg);
48 
49  ~LoggingStats();
50 
51  virtual bool post(drizzled::Session *session);
52 
53  virtual bool postEnd(drizzled::Session *session);
54 
55  virtual bool resetGlobalScoreboard();
56 
57  bool isEnabled() const
58  {
59  return is_enabled;
60  }
61 
62  void enable()
63  {
64  is_enabled= true;
65  }
66 
67  void disable()
68  {
69  is_enabled= false;
70  }
71 
72  Scoreboard *getCurrentScoreboard()
73  {
74  return current_scoreboard;
75  }
76 
77  CumulativeStats *getCumulativeStats()
78  {
79  return cumulative_stats;
80  }
81 
82 private:
83  Scoreboard *current_scoreboard;
84 
85  CumulativeStats *cumulative_stats;
86 
87  drizzled::atomic<bool> is_enabled;
88 
89  void updateCurrentScoreboard(ScoreboardSlot *scoreboard_slot, drizzled::Session *session);
90 
91  typedef std::vector<std::vector<ScoreboardSlot* >* > ScoreBoardVectors;
92 };