Drizzled Public API Documentation

status_tool.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
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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
27  * THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #pragma once
31 
32 #include "logging_stats.h"
33 
34 #include <drizzled/plugin/table_function.h>
35 #include <drizzled/field.h>
36 
38 {
39 public:
40 
41  StatusTool(LoggingStats *logging_stats, bool isLocal);
42 
44  {
45  public:
46  Generator(drizzled::Field **arg, LoggingStats *logging_stats,
47  std::vector<drizzled::drizzle_show_var *> *all_status_vars,
48  bool isLocal);
49 
50  ~Generator();
51 
52  bool populate();
53  private:
54  LoggingStats *logging_stats;
55  bool isLocal;
56  StatusVars *status_var_to_display;
57  std::vector<drizzled::drizzle_show_var *>::iterator all_status_vars_it;
58  std::vector<drizzled::drizzle_show_var *>::iterator all_status_vars_end;
59  void fill(const std::string &name, char *value, drizzled::SHOW_TYPE show_type);
60  };
61 
62  Generator *generator(drizzled::Field **arg)
63  {
64  return new Generator(arg, outer_logging_stats, &all_status_vars, isLocal);
65  }
66 
67 private:
68  LoggingStats *outer_logging_stats;
69 
70  bool isLocal;
71 
72  std::vector<drizzled::drizzle_show_var *> all_status_vars;
73 };
74