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
|
/* -*- 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/errmsg.h>
#include <drizzled/gettext.h>
static bool errmsg_has= false;
int errmsg_initializer(st_plugin_int *plugin)
{
errmsg_t *p;
p= new errmsg_t;
if (p == NULL) return 1;
memset(p, 0, sizeof(errmsg_t));
plugin->data= (void *)p;
if (plugin->plugin->init)
{
if (plugin->plugin->init((void *)p))
{
/* we're doing the errmsg plugin api,
so we can't trust the errmsg api to emit our error messages
so we will emit error messages to stderr */
/* TRANSLATORS: The leading word "errmsg" is the name
of the plugin api, and so should not be translated. */
fprintf(stderr,
_("errmsg plugin '%s' init() failed."),
plugin->name.str);
goto err;
}
}
errmsg_has= true;
plugin->state= PLUGIN_IS_READY;
return 0;
err:
delete p;
return 1;
}
int errmsg_finalizer(st_plugin_int *plugin)
{
errmsg_t *p = (errmsg_t *) plugin->data;
if (plugin->plugin->deinit)
{
if (plugin->plugin->deinit((void *)p))
{
/* we're doing the errmsg plugin api,
so we can't trust the errmsg api to emit our error messages
so we will emit error messages to stderr */
/* TRANSLATORS: The leading word "errmsg" is the name
of the plugin api, and so should not be translated. */
fprintf(stderr,
_("errmsg 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 errmsg_vprintf,
and marshall them into a struct of this type, and
then just pass in a pointer to it.
*/
typedef struct errmsg_parms_st
{
int priority;
const char *format;
va_list ap;
} errmsg_parms_t;
/* This gets called by plugin_foreach once for each loaded errmsg plugin */
static bool errmsg_iterate (Session *session, plugin_ref plugin, void *p)
{
errmsg_t *l= plugin_data(plugin, errmsg_t *);
errmsg_parms_t *parms= (errmsg_parms_t *) p;
if (l && l->errmsg_func)
{
if (l->errmsg_func(session, parms->priority, parms->format, parms->ap))
{
/* we're doing the errmsg plugin api,
so we can't trust the errmsg api to emit our error messages
so we will emit error messages to stderr */
/* TRANSLATORS: The leading word "errmsg" is the name
of the plugin api, and so should not be translated. */
fprintf(stderr,
_("errmsg plugin '%s' errmsg_func() failed"),
(char *)plugin_name(plugin));
return true;
}
}
return false;
}
bool errmsg_vprintf (Session *session, int priority, char const *format, va_list ap)
{
bool foreach_rv;
errmsg_parms_t parms;
/* check to see if any errmsg plugin has been loaded
if not, just fall back to emitting the message to stderr */
if (!errmsg_has)
{
/* if it turns out that the vfprintf doesnt do one single write
(single writes are atomic), then this needs to be rewritten to
vsprintf into a char buffer, and then write() that char buffer
to stderr */
vfprintf(stderr, format, ap);
return false;
}
/* marshall the parameters so they will fit into the foreach */
parms.priority= priority;
parms.format= format;
va_copy(parms.ap, ap);
/* call errmsg_iterate
once for each loaded errmsg plugin */
foreach_rv= plugin_foreach(session, errmsg_iterate,
DRIZZLE_ERRMSG_PLUGIN, (void *) &parms);
return foreach_rv;
}
|