2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * This library is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License, version 2.1 only,
6 * as published by the Free Software Foundation.
8 * This library is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this library; if not, write to the Free Software Foundation,
15 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 #include <lttng/action/action-internal.h>
19 #include <lttng/action/notify-internal.h>
20 #include <common/error.h>
23 enum lttng_action_type
lttng_action_get_type(struct lttng_action
*action
)
25 return action
? action
->type
: LTTNG_ACTION_TYPE_UNKNOWN
;
29 enum lttng_action_type
lttng_action_get_type_const(
30 const struct lttng_action
*action
)
35 void lttng_action_destroy(struct lttng_action
*action
)
41 assert(action
->destroy
);
42 action
->destroy(action
);
46 bool lttng_action_validate(struct lttng_action
*action
)
55 if (!action
->validate
) {
56 /* Sub-class guarantees that it can never be invalid. */
61 valid
= action
->validate(action
);
67 int lttng_action_serialize(struct lttng_action
*action
,
68 struct lttng_dynamic_buffer
*buf
)
71 struct lttng_action_comm action_comm
= {
72 .action_type
= (int8_t) action
->type
,
75 ret
= lttng_dynamic_buffer_append(buf
, &action_comm
,
81 ret
= action
->serialize(action
, buf
);
90 ssize_t
lttng_action_create_from_buffer(const struct lttng_buffer_view
*view
,
91 struct lttng_action
**_action
)
93 ssize_t ret
, action_size
= sizeof(struct lttng_action_comm
);
94 struct lttng_action
*action
;
95 const struct lttng_action_comm
*action_comm
;
97 if (!view
|| !_action
) {
102 action_comm
= (const struct lttng_action_comm
*) view
->data
;
103 DBG("Deserializing action from buffer");
104 switch (action_comm
->action_type
) {
105 case LTTNG_ACTION_TYPE_NOTIFY
:
106 action
= lttng_action_notify_create();