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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Mark Atwood
*
* 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 <drizzled/server_includes.h>
#include <drizzled/qcache.h>
#include <drizzled/gettext.h>
int qcache_initializer(st_plugin_int *plugin)
{
qcache_t *p;
p= new qcache_t;
if (p == NULL) return 1;
memset(p, 0, sizeof(qcache_t));
plugin->data= (void *)p;
if (plugin->plugin->init)
{
if (plugin->plugin->init((void *)p))
{
/* TRANSLATORS: The leading word "qcache" is the name
of the plugin api, and so should not be translated. */
sql_print_error(_("qcache plugin '%s' init() failed"),
plugin->name.str);
goto err;
}
}
return 0;
err:
delete p;
return 1;
}
int qcache_finalizer(st_plugin_int *plugin)
{
qcache_t *p= (qcache_t *) plugin->data;
if (plugin->plugin->deinit)
{
if (plugin->plugin->deinit((void *)p))
{
/* TRANSLATORS: The leading word "qcache" is the name
of the plugin api, and so should not be translated. */
sql_print_error(_("qcache plugin '%s' deinit() failed"),
plugin->name.str);
}
}
if (p) delete p;
return 0;
}
/* The plugin_foreach() iterator requires that we
convert all the parameters of a plugin api entry point
into just one single void ptr, plus the session.
So we will take all the additional paramters of qcache_do1,
and marshall them into a struct of this type, and
then just pass in a pointer to it.
*/
typedef struct qcache_do1_parms_st
{
void *parm1;
void *parm2;
} qcache_do1_parms_t;
/* This gets called by plugin_foreach once for each loaded qcache plugin */
static bool qcache_do1_iterate (Session *session, plugin_ref plugin, void *p)
{
qcache_t *l= plugin_data(plugin, qcache_t *);
qcache_do1_parms_t *parms= (qcache_do1_parms_t *) p;
/* call this loaded qcache plugin's qcache_func1 function pointer */
if (l && l->qcache_func1)
{
if (l->qcache_func1(session, parms->parm1, parms->parm2))
{
/* TRANSLATORS: The leading word "qcache" is the name
of the plugin api, and so should not be translated. */
sql_print_error(_("qcache plugin '%s' do1() failed"),
(char *)plugin_name(plugin));
return true;
}
}
return false;
}
/* This is the qcache_do1 entry point.
This gets called by the rest of the Drizzle server code */
bool qcache_do1 (Session *session, void *parm1, void *parm2)
{
qcache_do1_parms_t parms;
bool foreach_rv;
/* marshall the parameters so they will fit into the foreach */
parms.parm1= parm1;
parms.parm2= parm2;
/* call qcache_do1_iterate
once for each loaded qcache plugin */
foreach_rv= plugin_foreach(session,
qcache_do1_iterate,
DRIZZLE_QCACHE_PLUGIN,
(void *) &parms);
return foreach_rv;
}
/* The plugin_foreach() iterator requires that we
convert all the parameters of a plugin api entry point
into just one single void ptr, plus the session.
So we will take all the additional paramters of qcache_do2,
and marshall them into a struct of this type, and
then just pass in a pointer to it.
*/
typedef struct qcache_do2_parms_st
{
void *parm3;
void *parm4;
} qcache_do2_parms_t;
/* This gets called by plugin_foreach once for each loaded qcache plugin */
static bool qcache_do2_iterate (Session *session, plugin_ref plugin, void *p)
{
qcache_t *l= plugin_data(plugin, qcache_t *);
qcache_do2_parms_t *parms= (qcache_do2_parms_t *) p;
/* call this loaded qcache plugin's qcache_func1 function pointer */
if (l && l->qcache_func1)
{
if (l->qcache_func2(session, parms->parm3, parms->parm4))
{
/* TRANSLATORS: The leading word "qcache" is the name
of the plugin api, and so should not be translated. */
sql_print_error(_("qcache plugin '%s' qcache_func2() failed"),
(char *)plugin_name(plugin));
return true;
}
}
return false;
}
/* This is the qcache_do2 entry point.
This gets called by the rest of the Drizzle server code */
bool qcache_do2 (Session *session, void *parm3, void *parm4)
{
qcache_do2_parms_t parms;
bool foreach_rv;
/* marshall the parameters so they will fit into the foreach */
parms.parm3= parm3;
parms.parm4= parm4;
/* call qcache_do2_iterate
once for each loaded qcache plugin */
foreach_rv= plugin_foreach(session,
qcache_do2_iterate,
DRIZZLE_QCACHE_PLUGIN,
(void *) &parms);
return foreach_rv;
}
|