6 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #include <babeltrace/plugin/plugin-internal.h>
30 #include <babeltrace/babeltrace-internal.h>
31 #include <babeltrace/compiler.h>
33 static void bt_plugin_destroy(struct bt_ctf_ref
*ref
);
35 const char *bt_plugin_get_name(struct bt_plugin
*plugin
)
37 const char *ret
= NULL
;
43 ret
= plugin
->name
->str
;
48 enum bt_plugin_status
bt_plugin_set_name(struct bt_plugin
*plugin
,
51 enum bt_plugin_status ret
= BT_PLUGIN_STATUS_OK
;
53 if (!plugin
|| !name
|| name
[0] == '\0') {
54 ret
= BT_PLUGIN_STATUS_INVAL
;
58 g_string_assign(plugin
->name
, name
);
63 enum bt_plugin_type
bt_plugin_get_type(struct bt_plugin
*plugin
)
65 enum bt_plugin_type type
= BT_PLUGIN_TYPE_UNKNOWN
;
76 enum bt_plugin_status
bt_plugin_set_error_stream(
77 struct bt_plugin
*plugin
, FILE *stream
)
79 enum bt_plugin_status ret
= BT_PLUGIN_STATUS_OK
;
82 ret
= BT_PLUGIN_STATUS_INVAL
;
86 plugin
->error_stream
= stream
;
91 void bt_plugin_get(struct bt_plugin
*plugin
)
97 bt_ctf_ref_get(&plugin
->ref_count
);
100 void bt_plugin_put(struct bt_plugin
*plugin
)
106 bt_ctf_ref_put(&plugin
->ref_count
, bt_plugin_destroy
);
110 enum bt_plugin_status
bt_plugin_init(struct bt_plugin
*plugin
, const char *name
,
111 void *user_data
, bt_plugin_destroy_cb user_destroy_func
,
112 enum bt_plugin_type plugin_type
,
113 bt_plugin_destroy_cb plugin_destroy
)
115 enum bt_plugin_status ret
= BT_PLUGIN_STATUS_OK
;
117 if (!plugin
|| !name
|| name
[0] == '\0' ||
118 !user_destroy_func
|| !user_data
|| !plugin_destroy
) {
119 ret
= BT_PLUGIN_STATUS_INVAL
;
123 bt_ctf_ref_init(&plugin
->ref_count
);
124 plugin
->type
= plugin_type
;
125 plugin
->user_data
= user_data
;
126 plugin
->user_data_destroy
= user_destroy_func
;
127 plugin
->destroy
= plugin_destroy
;
129 plugin
->name
= g_string_new(name
);
131 ret
= BT_PLUGIN_STATUS_NOMEM
;
139 void bt_plugin_destroy(struct bt_ctf_ref
*ref
)
141 struct bt_plugin
*plugin
= NULL
;
147 plugin
= container_of(ref
, struct bt_plugin
, ref_count
);
150 * Destroy user data, base and source/filter/sink last since
151 * it will deallocate the plugin.
153 assert(plugin
->user_data_destroy
);
154 plugin
->user_data_destroy(plugin
->user_data
);
156 g_string_free(plugin
->name
, TRUE
);
158 assert(plugin
->destroy
);
159 plugin
->destroy(plugin
);