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
180
181
182
183
184
185
186
|
/*
* Copyright (C) 2006, Jamie McCracken <jamiemcc@gnome.org>
* Copyright (C) 2008, Nokia <ivan.frade@nokia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <sys/file.h>
#include <fcntl.h>
#include <limits.h>
#include <errno.h>
#ifdef __linux__
#include <sys/statfs.h>
#endif
#include <glib.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include "tracker-file-utils.h"
#include "tracker-type-utils.h"
#define TEXT_SNIFF_SIZE 4096
goffset
tracker_file_get_size (const gchar *path)
{
GFileInfo *info;
GFile *file;
GError *error = NULL;
goffset size;
g_return_val_if_fail (path != NULL, 0);
file = g_file_new_for_path (path);
info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_SIZE,
G_FILE_QUERY_INFO_NONE,
NULL,
&error);
if (G_UNLIKELY (error)) {
gchar *uri;
uri = g_file_get_uri (file);
g_message ("Could not get size for '%s', %s",
uri,
error->message);
g_free (uri);
g_error_free (error);
size = 0;
} else {
size = g_file_info_get_size (info);
g_object_unref (info);
}
g_object_unref (file);
return size;
}
#ifdef __linux__
#define __bsize f_bsize
#ifdef __USE_LARGEFILE64
#define __statvfs statfs64
#else
#define __statvfs statfs
#endif
#else /* __linux__ */
#define __bsize f_frsize
#ifdef HAVE_STATVFS64
#define __statvfs statvfs64
#else
#define __statvfs statvfs
#endif
#endif /* __linux__ */
static gboolean
statvfs_helper (const gchar *path, struct __statvfs *st)
{
gchar *_path;
int retval;
//LCOV_EXCL_START
/* Iterate up the path to the root until statvfs() doesn’t error with
* ENOENT. This prevents the call failing on first-startup when (for
* example) ~/.cache/tracker might not exist. */
_path = g_strdup (path);
while ((retval = __statvfs (_path, st)) == -1 && errno == ENOENT) {
gchar *tmp = g_path_get_dirname (_path);
g_free (_path);
_path = tmp;
}
g_free (_path);
//LCOV_EXCL_STOP
if (retval == -1) {
g_critical ("Could not statvfs() '%s': %s",
path,
g_strerror (errno));
}
return (retval == 0);
}
static guint64
tracker_file_system_get_remaining_space (const gchar *path)
{
struct __statvfs st;
guint64 available;
if (statvfs_helper (path, &st)) {
available = (geteuid () == 0) ? st.f_bfree : st.f_bavail;
/* __bsize is a platform dependent #define above */
return st.__bsize * available;
} else {
return 0;
}
}
gboolean
tracker_file_system_has_enough_space (const gchar *path,
gulong required_bytes,
gboolean creating_db)
{
gchar *str1;
gchar *str2;
gboolean enough;
guint64 remaining;
g_return_val_if_fail (path != NULL, FALSE);
remaining = tracker_file_system_get_remaining_space (path);
enough = (remaining >= required_bytes);
if (creating_db) {
str1 = g_format_size (required_bytes);
str2 = g_format_size (remaining);
if (!enough) {
g_critical ("Not enough disk space to create databases, "
"%s remaining, %s required as a minimum",
str2,
str1);
} else {
g_debug ("Checking for adequate disk space to create databases, "
"%s remaining, %s required as a minimum",
str2,
str1);
}
g_free (str2);
g_free (str1);
}
return enough;
}
|
