Fix: evaluate trigger condition on registration
[lttng-tools.git] / src / bin / lttng-sessiond / cmd.h
1 /*
2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
3 *
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.
7 *
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
11 * more details.
12 *
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.
16 */
17
18 #ifndef CMD_H
19 #define CMD_H
20
21 #include "context.h"
22 #include "session.h"
23
24 struct notification_thread_handle;
25
26 /*
27 * Init the command subsystem. Must be called before using any of the functions
28 * above. This is called in the main() of the session daemon.
29 */
30 void cmd_init(void);
31
32 /* Session commands */
33 int cmd_create_session_uri(char *name, struct lttng_uri *uris,
34 size_t nb_uri, lttng_sock_cred *creds, unsigned int live_timer);
35 int cmd_create_session_snapshot(char *name, struct lttng_uri *uris,
36 size_t nb_uri, lttng_sock_cred *creds);
37 int cmd_destroy_session(struct ltt_session *session, int wpipe);
38
39 /* Channel commands */
40 int cmd_disable_channel(struct ltt_session *session,
41 enum lttng_domain_type domain, char *channel_name);
42 int cmd_enable_channel(struct ltt_session *session,
43 struct lttng_domain *domain, struct lttng_channel *attr,
44 int wpipe);
45 int cmd_track_pid(struct ltt_session *session, enum lttng_domain_type domain,
46 int pid);
47 int cmd_untrack_pid(struct ltt_session *session, enum lttng_domain_type domain,
48 int pid);
49
50 /* Event commands */
51 int cmd_disable_event(struct ltt_session *session,
52 enum lttng_domain_type domain,
53 char *channel_name,
54 struct lttng_event *event);
55 int cmd_add_context(struct ltt_session *session, enum lttng_domain_type domain,
56 char *channel_name, struct lttng_event_context *ctx, int kwpipe);
57 int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain,
58 char *channel_name, struct lttng_event *event,
59 struct lttng_filter_bytecode *bytecode);
60 int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain,
61 char *channel_name, struct lttng_event *event,
62 char *filter_expression,
63 struct lttng_filter_bytecode *filter,
64 struct lttng_event_exclusion *exclusion,
65 int wpipe);
66
67 /* Trace session action commands */
68 int cmd_start_trace(struct ltt_session *session);
69 int cmd_stop_trace(struct ltt_session *session);
70
71 /* Consumer commands */
72 int cmd_register_consumer(struct ltt_session *session,
73 enum lttng_domain_type domain,
74 const char *sock_path, struct consumer_data *cdata);
75 int cmd_set_consumer_uri(struct ltt_session *session, size_t nb_uri,
76 struct lttng_uri *uris);
77 int cmd_setup_relayd(struct ltt_session *session);
78
79 /* Listing commands */
80 ssize_t cmd_list_domains(struct ltt_session *session,
81 struct lttng_domain **domains);
82 ssize_t cmd_list_events(enum lttng_domain_type domain,
83 struct ltt_session *session, char *channel_name,
84 struct lttng_event **events, size_t *total_size);
85 ssize_t cmd_list_channels(enum lttng_domain_type domain,
86 struct ltt_session *session, struct lttng_channel **channels);
87 ssize_t cmd_list_domains(struct ltt_session *session,
88 struct lttng_domain **domains);
89 void cmd_list_lttng_sessions(struct lttng_session *sessions, uid_t uid,
90 gid_t gid);
91 ssize_t cmd_list_tracepoint_fields(enum lttng_domain_type domain,
92 struct lttng_event_field **fields);
93 ssize_t cmd_list_tracepoints(enum lttng_domain_type domain,
94 struct lttng_event **events);
95 ssize_t cmd_snapshot_list_outputs(struct ltt_session *session,
96 struct lttng_snapshot_output **outputs);
97 ssize_t cmd_list_syscalls(struct lttng_event **events);
98 ssize_t cmd_list_tracker_pids(struct ltt_session *session,
99 enum lttng_domain_type domain, int32_t **pids);
100
101 int cmd_data_pending(struct ltt_session *session);
102
103 /* Snapshot */
104 int cmd_snapshot_add_output(struct ltt_session *session,
105 struct lttng_snapshot_output *output, uint32_t *id);
106 int cmd_snapshot_del_output(struct ltt_session *session,
107 struct lttng_snapshot_output *output);
108 int cmd_snapshot_record(struct ltt_session *session,
109 struct lttng_snapshot_output *output, int wait);
110
111 int cmd_set_session_shm_path(struct ltt_session *session,
112 const char *shm_path);
113 int cmd_regenerate_metadata(struct ltt_session *session);
114 int cmd_regenerate_statedump(struct ltt_session *session);
115
116 int cmd_register_trigger(struct command_ctx *cmd_ctx, int sock,
117 struct notification_thread_handle *notification_thread_handle);
118 int cmd_unregister_trigger(struct command_ctx *cmd_ctx, int sock,
119 struct notification_thread_handle *notification_thread_handle);
120
121 #endif /* CMD_H */
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