~drizzle-trunk/drizzle/development

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008 Sun Microsystems, Inc.
 *  Copyright (C) 2010 Joseph Daly 
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <config.h>
#include "status_helper.h"
#include <boost/lexical_cast.hpp>
#include <drizzled/open_tables_state.h>
#include <drizzled/set_var.h>
#include <drizzled/drizzled.h>
#include <plugin/myisam/myisam.h>
#include <sstream>

using namespace std;

namespace drizzled {

extern time_t server_start_time;
extern time_t flush_status_time;

static int show_starttime_new(drizzle_show_var *var, char *buff)
{
  var->type= SHOW_LONG;
  var->value= buff;
  *((long *)buff)= (long) (time(NULL) - server_start_time);
  return 0;
}

static int show_flushstatustime_new(drizzle_show_var *var, char *buff)
{
  var->type= SHOW_LONG;
  var->value= buff;
  *((long *)buff)= (long) (time(NULL) - flush_status_time);
  return 0;
}

static int show_connection_count_new(drizzle_show_var *var, char *buff)
{
  var->type= SHOW_INT;
  var->value= buff;
  *((uint32_t *)buff)= connection_count;
  return 0;
}

static st_show_var_func_container show_starttime_cont_new= { &show_starttime_new };

static st_show_var_func_container show_flushstatustime_cont_new= { &show_flushstatustime_new };

static st_show_var_func_container show_connection_count_cont_new= { &show_connection_count_new };

string StatusHelper::fillHelper(system_status_var *status_var, const char *value, SHOW_TYPE show_type)
{
  ostringstream oss;
  switch (show_type) 
  {
  case SHOW_DOUBLE_STATUS:
    value= ((char *) status_var + (ulong) value);
    /* fall through */
  case SHOW_DOUBLE:
    oss.precision(6);
    oss << *(double *) value;
    return oss.str();
  case SHOW_LONG_STATUS:
    value= ((char *) status_var + (ulong) value);
    /* fall through */
  case SHOW_LONG:
    return boost::lexical_cast<std::string>(*(long*) value);
    break;
  case SHOW_LONGLONG_STATUS:
    value= ((char *) status_var + (uint64_t) value);
    /* fall through */
  case SHOW_LONGLONG:
    return boost::lexical_cast<std::string>(*(int64_t*) value);
  case SHOW_SIZE:
    return boost::lexical_cast<std::string>(*(size_t*) value);
  case SHOW_HA_ROWS:
    return boost::lexical_cast<std::string>((int64_t) *(ha_rows*) value);
  case SHOW_BOOL:
  case SHOW_MY_BOOL:
    return *(bool*) value ? "ON" : "OFF";
  case SHOW_INT:
  case SHOW_INT_NOFLUSH: // the difference lies in refresh_status()
    return boost::lexical_cast<std::string>((long) *(uint32_t*) value);
  case SHOW_CHAR:
    if (value)
      return value;
    break;
  case SHOW_CHAR_PTR:
    if (*(char**) value)
      return *(char**) value;
    break;
  case SHOW_UNDEF:
    break;                                        // Return empty string
  case SHOW_SYS:                                  // Cannot happen
  default:
    assert(0);
  }
  return string();
}

drizzle_show_var StatusHelper::status_vars_defs[]=
{
  {"Aborted_clients",           (char*) offsetof(system_status_var, aborted_threads), SHOW_LONGLONG_STATUS},
  {"Aborted_connects",          (char*) offsetof(system_status_var, aborted_connects), SHOW_LONGLONG_STATUS},
  {"Bytes_received",            (char*) offsetof(system_status_var, bytes_received), SHOW_LONGLONG_STATUS},
  {"Bytes_sent",                (char*) offsetof(system_status_var, bytes_sent), SHOW_LONGLONG_STATUS},
  {"Connections",               (char*) &current_global_counters.connections,  SHOW_LONGLONG},
  {"Created_tmp_disk_tables",   (char*) offsetof(system_status_var, created_tmp_disk_tables), SHOW_LONGLONG_STATUS},
  {"Created_tmp_tables",        (char*) offsetof(system_status_var, created_tmp_tables), SHOW_LONGLONG_STATUS},
  {"Flush_commands",            (char*) &g_refresh_version, SHOW_INT_NOFLUSH},
  {"Handler_commit",            (char*) offsetof(system_status_var, ha_commit_count), SHOW_LONGLONG_STATUS},
  {"Handler_delete",            (char*) offsetof(system_status_var, ha_delete_count), SHOW_LONGLONG_STATUS},
  {"Handler_prepare",           (char*) offsetof(system_status_var, ha_prepare_count),  SHOW_LONGLONG_STATUS},
  {"Handler_read_first",        (char*) offsetof(system_status_var, ha_read_first_count), SHOW_LONGLONG_STATUS},
  {"Handler_read_key",          (char*) offsetof(system_status_var, ha_read_key_count), SHOW_LONGLONG_STATUS},
  {"Handler_read_next",         (char*) offsetof(system_status_var, ha_read_next_count), SHOW_LONGLONG_STATUS},
  {"Handler_read_prev",         (char*) offsetof(system_status_var, ha_read_prev_count), SHOW_LONGLONG_STATUS},
  {"Handler_read_rnd",          (char*) offsetof(system_status_var, ha_read_rnd_count), SHOW_LONGLONG_STATUS},
  {"Handler_read_rnd_next",     (char*) offsetof(system_status_var, ha_read_rnd_next_count), SHOW_LONGLONG_STATUS},
  {"Handler_rollback",          (char*) offsetof(system_status_var, ha_rollback_count), SHOW_LONGLONG_STATUS},
  {"Handler_savepoint",         (char*) offsetof(system_status_var, ha_savepoint_count), SHOW_LONGLONG_STATUS},
  {"Handler_savepoint_rollback",(char*) offsetof(system_status_var, ha_savepoint_rollback_count), SHOW_LONGLONG_STATUS},
  {"Handler_update",            (char*) offsetof(system_status_var, ha_update_count), SHOW_LONGLONG_STATUS},
  {"Handler_write",             (char*) offsetof(system_status_var, ha_write_count), SHOW_LONGLONG_STATUS},
  {"Last_query_cost",           (char*) offsetof(system_status_var, last_query_cost), SHOW_DOUBLE_STATUS},
  {"Max_used_connections",      (char*) &current_global_counters.max_used_connections,  SHOW_LONGLONG},
  {"Questions",                 (char*) offsetof(system_status_var, questions), SHOW_LONGLONG_STATUS},
  {"Select_full_join",          (char*) offsetof(system_status_var, select_full_join_count), SHOW_LONGLONG_STATUS},
  {"Select_full_range_join",    (char*) offsetof(system_status_var, select_full_range_join_count), SHOW_LONGLONG_STATUS},
  {"Select_range",              (char*) offsetof(system_status_var, select_range_count), SHOW_LONGLONG_STATUS},
  {"Select_range_check",        (char*) offsetof(system_status_var, select_range_check_count), SHOW_LONGLONG_STATUS},
  {"Select_scan",               (char*) offsetof(system_status_var, select_scan_count), SHOW_LONGLONG_STATUS},
  {"Sessions_connected",         (char*) &show_connection_count_cont_new,  SHOW_FUNC},
  {"Slow_queries",              (char*) offsetof(system_status_var, long_query_count), SHOW_LONGLONG_STATUS},
  {"Sort_merge_passes",         (char*) offsetof(system_status_var, filesort_merge_passes), SHOW_LONGLONG_STATUS},
  {"Sort_range",                (char*) offsetof(system_status_var, filesort_range_count), SHOW_LONGLONG_STATUS},
  {"Sort_rows",                 (char*) offsetof(system_status_var, filesort_rows), SHOW_LONGLONG_STATUS},
  {"Sort_scan",                 (char*) offsetof(system_status_var, filesort_scan_count), SHOW_LONGLONG_STATUS},
  {"Table_locks_immediate",     (char*) &current_global_counters.locks_immediate,        SHOW_LONGLONG},
  {"Table_locks_waited",        (char*) &current_global_counters.locks_waited,           SHOW_LONGLONG},
  {"Uptime",                    (char*) &show_starttime_cont_new,         SHOW_FUNC},
  {"Uptime_since_flush_status", (char*) &show_flushstatustime_cont_new,   SHOW_FUNC},
  {NULL, NULL, SHOW_LONGLONG}
};

} /* namespace drizzled */