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
|
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2007 - 2008, Digium, Inc.
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Asterisk datastore objects
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
#include "asterisk/_private.h"
#include "asterisk/datastore.h"
#include "asterisk/utils.h"
#include "asterisk/astobj2.h"
#include "asterisk/uuid.h"
#include "asterisk/module.h"
/*! \brief Number of buckets for datastore container */
#define DATASTORE_BUCKETS 53
struct ast_datastore *__ast_datastore_alloc(
const struct ast_datastore_info *info, const char *uid, struct ast_module *mod,
const char *file, int line, const char *function)
{
struct ast_datastore *datastore = NULL;
/* Make sure we at least have type so we can identify this */
if (!info) {
return NULL;
}
datastore = __ast_calloc(1, sizeof(*datastore), file, line, function);
if (!datastore) {
return NULL;
}
datastore->info = info;
datastore->mod = mod;
if (!ast_strlen_zero(uid) && !(datastore->uid = ast_strdup(uid))) {
ast_free(datastore);
datastore = NULL;
}
ast_module_ref(mod);
return datastore;
}
int ast_datastore_free(struct ast_datastore *datastore)
{
int res = 0;
/* Using the destroy function (if present) destroy the data */
if (datastore->info->destroy != NULL && datastore->data != NULL) {
datastore->info->destroy(datastore->data);
datastore->data = NULL;
}
/* Free allocated UID memory */
if (datastore->uid != NULL) {
ast_free((void *) datastore->uid);
datastore->uid = NULL;
}
ast_module_unref(datastore->mod);
/* Finally free memory used by ourselves */
ast_free(datastore);
return res;
}
AO2_STRING_FIELD_HASH_FN(ast_datastore, uid);
AO2_STRING_FIELD_CMP_FN(ast_datastore, uid);
struct ao2_container *ast_datastores_alloc(void)
{
return ao2_container_alloc(DATASTORE_BUCKETS, ast_datastore_hash_fn, ast_datastore_cmp_fn);
}
int ast_datastores_add(struct ao2_container *datastores, struct ast_datastore *datastore)
{
ast_assert(datastore != NULL);
ast_assert(datastore->info != NULL);
ast_assert(!ast_strlen_zero(datastore->uid));
if (!ao2_link(datastores, datastore)) {
return -1;
}
return 0;
}
void ast_datastores_remove(struct ao2_container *datastores, const char *name)
{
ao2_find(datastores, name, OBJ_SEARCH_KEY | OBJ_UNLINK | OBJ_NODATA);
}
struct ast_datastore *ast_datastores_find(struct ao2_container *datastores, const char *name)
{
return ao2_find(datastores, name, OBJ_SEARCH_KEY);
}
static void datastore_destroy(void *obj)
{
struct ast_datastore *datastore = obj;
/* Using the destroy function (if present) destroy the data */
if (datastore->info->destroy != NULL && datastore->data != NULL) {
datastore->info->destroy(datastore->data);
datastore->data = NULL;
}
ast_free((void *) datastore->uid);
datastore->uid = NULL;
}
struct ast_datastore *ast_datastores_alloc_datastore(const struct ast_datastore_info *info, const char *uid)
{
struct ast_datastore *datastore;
char uuid_buf[AST_UUID_STR_LEN];
const char *uid_ptr = uid;
if (!info) {
return NULL;
}
datastore = ao2_alloc(sizeof(*datastore), datastore_destroy);
if (!datastore) {
return NULL;
}
datastore->info = info;
if (ast_strlen_zero(uid)) {
/* They didn't provide an ID so we'll provide one ourself */
uid_ptr = ast_uuid_generate_str(uuid_buf, sizeof(uuid_buf));
}
datastore->uid = ast_strdup(uid_ptr);
if (!datastore->uid) {
ao2_ref(datastore, -1);
return NULL;
}
return datastore;
}
|
