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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Authors: Michael Zucchi <notzed@helixcode.com>
*
* Copyright (C) 2000 Helix Code, Inc.
*
* 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; either version 2 of the
* License, or (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <config.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include "camel-local-store.h"
#include "camel-exception.h"
#include "camel-url.h"
/* Returns the class for a CamelLocalStore */
#define CLOCALS_CLASS(so) CAMEL_LOCAL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so))
#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
static char *get_name(CamelService *service, gboolean brief);
static void rename_folder(CamelStore *store, const char *old_name, const char *new_name, CamelException *ex);
static char *get_folder_name(CamelStore *store, const char *folder_name, CamelException *ex);
static CamelFolderInfo *get_folder_info (CamelStore *store, const char *top,
gboolean fast, gboolean recursive,
gboolean subscribed_only,
CamelException *ex);
static void delete_folder(CamelStore *store, const char *folder_name, CamelException *ex);
static void rename_folder(CamelStore *store, const char *old, const char *new, CamelException *ex);
static void
camel_local_store_class_init (CamelLocalStoreClass *camel_local_store_class)
{
CamelStoreClass *camel_store_class = CAMEL_STORE_CLASS (camel_local_store_class);
CamelServiceClass *camel_service_class = CAMEL_SERVICE_CLASS (camel_local_store_class);
/* virtual method overload */
camel_service_class->get_name = get_name;
camel_store_class->get_folder_name = get_folder_name;
camel_store_class->get_folder_info = get_folder_info;
camel_store_class->free_folder_info = camel_store_free_folder_info_full;
camel_store_class->delete_folder = delete_folder;
camel_store_class->rename_folder = rename_folder;
}
static void
camel_local_store_init (gpointer object, gpointer klass)
{
CamelStore *store = CAMEL_STORE (object);
/* local names are filenames, so they are case-sensitive. */
store->folders = g_hash_table_new (g_str_hash, g_str_equal);
}
CamelType
camel_local_store_get_type (void)
{
static CamelType camel_local_store_type = CAMEL_INVALID_TYPE;
if (camel_local_store_type == CAMEL_INVALID_TYPE) {
camel_local_store_type = camel_type_register (CAMEL_STORE_TYPE, "CamelLocalStore",
sizeof (CamelLocalStore),
sizeof (CamelLocalStoreClass),
(CamelObjectClassInitFunc) camel_local_store_class_init,
NULL,
(CamelObjectInitFunc) camel_local_store_init,
NULL);
}
return camel_local_store_type;
}
const char *
camel_local_store_get_toplevel_dir (CamelLocalStore *store)
{
CamelURL *url = CAMEL_SERVICE (store)->url;
g_assert (url != NULL);
return url->path;
}
static char *
get_folder_name (CamelStore *store, const char *folder_name, CamelException *ex)
{
/* For now, we don't allow hieararchy. FIXME. */
if (strchr (folder_name + 1, '/')) {
camel_exception_set (ex, CAMEL_EXCEPTION_STORE_NO_FOLDER,
_("Local folders may not be nested."));
return NULL;
}
return *folder_name == '/' ? g_strdup (folder_name) :
g_strdup_printf ("/%s", folder_name);
}
static char *
get_name (CamelService *service, gboolean brief)
{
if (brief)
return g_strdup (service->url->path);
else
return g_strdup_printf (_("Local mail file %s"), service->url->path);
}
static CamelFolderInfo *
get_folder_info (CamelStore *store, const char *top,
gboolean fast, gboolean recursive,
gboolean subscribed_only,
CamelException *ex)
{
/* FIXME: This is broken, but it corresponds to what was
* there before.
*/
return NULL;
}
static int xrename(const char *oldp, const char *newp, const char *prefix, const char *suffix, CamelException *ex)
{
struct stat st;
char *old = g_strconcat(prefix, oldp, suffix, 0);
char *new = g_strconcat(prefix, newp, suffix, 0);
int ret = -1;
printf("renaming %s%s to %s%s\n", oldp, suffix, newp, suffix);
/* FIXME: this has races ... */
if (!(stat(new, &st) == -1 && errno==ENOENT)) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not rename folder %s to %s: destination exists"),
old, new);
} else if (rename(old, new) == 0 || errno==ENOENT) {
ret = 0;
} else if (stat(old, &st) == -1 && errno==ENOENT && stat(new, &st) == 0) {
/* for nfs, check if the rename worked anyway ... */
ret = 0;
}
g_free(old);
g_free(new);
return ret;
}
/* default implementation, rename all */
static void
rename_folder(CamelStore *store, const char *old, const char *new, CamelException *ex)
{
char *path = CAMEL_SERVICE (store)->url->path;
/* try to rollback failures, has obvious races */
if (xrename(old, new, path, ".ibex", ex)) {
return;
}
if (xrename(old, new, path, ".ev-summary", ex)) {
xrename(new, old, path, ".ibex", ex);
return;
}
if (xrename(old, new, path, "", ex)) {
xrename(new, old, path, ".ev-summary", ex);
xrename(new, old, path, ".ibex", ex);
}
}
/* default implementation, only delete metadata */
static void
delete_folder(CamelStore *store, const char *folder_name, CamelException *ex)
{
char *name;
char *str;
/* remove metadata only */
name = g_strdup_printf("%s%s", CAMEL_SERVICE(store)->url->path, folder_name);
str = g_strdup_printf("%s.ev-summary", name);
if (unlink(str) == -1 && errno != ENOENT) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not delete folder summary file `%s': %s"),
str, strerror(errno));
g_free(str);
return;
}
g_free(str);
str = g_strdup_printf("%s.ibex", name);
if (unlink(str) == -1 && errno != ENOENT) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not delete folder index file `%s': %s"),
str, strerror(errno));
g_free(str);
return;
}
g_free(str);
g_free(name);
}
|
