1 /*
2 * SysDB - src/plugins/backend/store/memory.c
3 * Copyright (C) 2015 Sebastian 'tokkee' Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 #if HAVE_CONFIG_H
29 # include "config.h"
30 #endif
32 #include "sysdb.h"
33 #include "core/plugin.h"
34 #include "core/memstore.h"
35 #include "core/store.h"
36 #include "utils/error.h"
38 SDB_PLUGIN_MAGIC;
40 /*
41 * plugin API
42 */
44 static int
45 mem_init(sdb_object_t *user_data)
46 {
47 sdb_memstore_t *store = SDB_MEMSTORE(user_data);
49 if (! store) {
50 sdb_log(SDB_LOG_ERR, "Failed to allocate store");
51 return -1;
52 }
53 if (sdb_plugin_register_writer("memstore",
54 &sdb_memstore_writer, SDB_OBJ(store))) {
55 sdb_object_deref(SDB_OBJ(store));
56 return -1;
57 }
58 if (sdb_plugin_register_reader("memstore",
59 &sdb_memstore_reader, SDB_OBJ(store))) {
60 sdb_object_deref(SDB_OBJ(store));
61 return -1;
62 }
63 return 0;
64 } /* mem_init */
66 static int
67 mem_shutdown(sdb_object_t *user_data)
68 {
69 sdb_object_deref(user_data);
70 return 0;
71 } /* mem_shutdown */
73 int
74 sdb_module_init(sdb_plugin_info_t *info)
75 {
76 /* store singleton */
77 static sdb_memstore_t *store;
79 sdb_plugin_set_info(info, SDB_PLUGIN_INFO_DESC, "in-memory object store");
80 sdb_plugin_set_info(info, SDB_PLUGIN_INFO_COPYRIGHT,
81 "Copyright (C) 2015 Sebastian 'tokkee' Harl <sh@tokkee.org>");
82 sdb_plugin_set_info(info, SDB_PLUGIN_INFO_LICENSE, "BSD");
83 sdb_plugin_set_info(info, SDB_PLUGIN_INFO_VERSION, SDB_VERSION);
84 sdb_plugin_set_info(info, SDB_PLUGIN_INFO_PLUGIN_VERSION, SDB_VERSION);
86 if (! store) {
87 if (! (store = sdb_memstore_create())) {
88 sdb_log(SDB_LOG_ERR, "Failed to create store object");
89 return -1;
90 }
91 }
93 sdb_plugin_register_init("main", mem_init, SDB_OBJ(store));
94 sdb_plugin_register_shutdown("main", mem_shutdown, SDB_OBJ(store));
95 return 0;
96 } /* sdb_module_init */
98 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */