2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License, version 2 only, as
6 * published by the Free Software Foundation.
8 * This program 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 General Public License for
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 51
15 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 #ifndef NOTIFICATION_THREAD_COMMANDS_H
19 #define NOTIFICATION_THREAD_COMMANDS_H
21 #include <lttng/domain.h>
22 #include <lttng/lttng-error.h>
23 #include <urcu/rculfhash.h>
24 #include "notification-thread.h"
25 #include <common/waiter.h>
27 struct notification_thread_data
;
30 enum notification_thread_command_type
{
31 NOTIFICATION_COMMAND_TYPE_REGISTER_TRIGGER
,
32 NOTIFICATION_COMMAND_TYPE_UNREGISTER_TRIGGER
,
33 NOTIFICATION_COMMAND_TYPE_ADD_CHANNEL
,
34 NOTIFICATION_COMMAND_TYPE_REMOVE_CHANNEL
,
35 NOTIFICATION_COMMAND_TYPE_QUIT
,
40 enum lttng_domain_type domain
;
44 struct channel_key key
;
50 struct cds_lfht_node channels_ht_node
;
51 /* call_rcu delayed reclaim. */
52 struct rcu_head rcu_node
;
55 struct notification_thread_command
{
56 struct cds_list_head cmd_list_node
;
58 enum notification_thread_command_type type
;
60 /* Register/Unregister trigger. */
61 struct lttng_trigger
*trigger
;
63 struct channel_info add_channel
;
67 enum lttng_domain_type domain
;
71 /* lttng_waiter on which to wait for command reply (optional). */
72 struct lttng_waiter reply_waiter
;
73 enum lttng_error_code reply_code
;
76 enum lttng_error_code
notification_thread_command_register_trigger(
77 struct notification_thread_handle
*handle
,
78 struct lttng_trigger
*trigger
);
80 enum lttng_error_code
notification_thread_command_unregister_trigger(
81 struct notification_thread_handle
*handle
,
82 struct lttng_trigger
*trigger
);
84 enum lttng_error_code
notification_thread_command_add_channel(
85 struct notification_thread_handle
*handle
,
86 char *session_name
, uid_t uid
, gid_t gid
,
87 char *channel_name
, uint64_t key
,
88 enum lttng_domain_type domain
, uint64_t capacity
);
90 enum lttng_error_code
notification_thread_command_remove_channel(
91 struct notification_thread_handle
*handle
,
92 uint64_t key
, enum lttng_domain_type domain
);
94 void notification_thread_command_quit(
95 struct notification_thread_handle
*handle
);
97 #endif /* NOTIFICATION_THREAD_COMMANDS_H */