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
;
28 void lttng_action_destroy(struct lttng_action
*action
)
34 assert(action
->destroy
);
35 action
->destroy(action
);
39 bool lttng_action_validate(struct lttng_action
*action
)
48 if (!action
->validate
) {
49 /* Sub-class guarantees that it can never be invalid. */
54 valid
= action
->validate(action
);
60 int lttng_action_serialize(struct lttng_action
*action
,
61 struct lttng_dynamic_buffer
*buf
)
64 struct lttng_action_comm action_comm
= {
65 .action_type
= (int8_t) action
->type
,
68 ret
= lttng_dynamic_buffer_append(buf
, &action_comm
,
74 ret
= action
->serialize(action
, buf
);
83 ssize_t
lttng_action_create_from_buffer(const struct lttng_buffer_view
*view
,
84 struct lttng_action
**_action
)
86 ssize_t ret
, action_size
= sizeof(struct lttng_action_comm
);
87 struct lttng_action
*action
;
88 const struct lttng_action_comm
*action_comm
;
90 if (!view
|| !_action
) {
95 action_comm
= (const struct lttng_action_comm
*) view
->data
;
96 DBG("Deserializing action from buffer");
97 switch (action_comm
->action_type
) {
98 case LTTNG_ACTION_TYPE_NOTIFY
:
99 action
= lttng_action_notify_create();