Fix: leak of reply buffer on data pending check
[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 /*
25 * Init the command subsystem. Must be called before using any of the functions
26 * above. This is called in the main() of the session daemon.
27 */
28 void cmd_init(void);
29
30 /* Session commands */
31 int cmd_create_session_uri(char *name, struct lttng_uri *uris,
32 size_t nb_uri, lttng_sock_cred *creds, unsigned int live_timer);
33 int cmd_create_session_snapshot(char *name, struct lttng_uri *uris,
34 size_t nb_uri, lttng_sock_cred *creds);
35 int cmd_destroy_session(struct ltt_session *session, int wpipe);
36
37 /* Channel commands */
38 int cmd_disable_channel(struct ltt_session *session,
39 enum lttng_domain_type domain, char *channel_name);
40 int cmd_enable_channel(struct ltt_session *session,
41 struct lttng_domain *domain, struct lttng_channel *attr,
42 int wpipe);
43 int cmd_track_pid(struct ltt_session *session, enum lttng_domain_type domain,
44 int pid);
45 int cmd_untrack_pid(struct ltt_session *session, enum lttng_domain_type domain,
46 int pid);
47
48 /* Event commands */
49 int cmd_disable_event(struct ltt_session *session,
50 enum lttng_domain_type domain,
51 char *channel_name,
52 struct lttng_event *event);
53 int cmd_add_context(struct ltt_session *session, enum lttng_domain_type domain,
54 char *channel_name, struct lttng_event_context *ctx, int kwpipe);
55 int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain,
56 char *channel_name, struct lttng_event *event,
57 struct lttng_filter_bytecode *bytecode);
58 int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain,
59 char *channel_name, struct lttng_event *event,
60 char *filter_expression,
61 struct lttng_filter_bytecode *filter,
62 struct lttng_event_exclusion *exclusion,
63 int wpipe);
64
65 /* Trace session action commands */
66 int cmd_start_trace(struct ltt_session *session);
67 int cmd_stop_trace(struct ltt_session *session);
68
69 /* Consumer commands */
70 int cmd_register_consumer(struct ltt_session *session,
71 enum lttng_domain_type domain,
72 const char *sock_path, struct consumer_data *cdata);
73 int cmd_set_consumer_uri(struct ltt_session *session, size_t nb_uri,
74 struct lttng_uri *uris);
75 int cmd_setup_relayd(struct ltt_session *session);
76
77 /* Listing commands */
78 ssize_t cmd_list_domains(struct ltt_session *session,
79 struct lttng_domain **domains);
80 ssize_t cmd_list_events(enum lttng_domain_type domain,
81 struct ltt_session *session, char *channel_name,
82 struct lttng_event **events, size_t *total_size);
83 ssize_t cmd_list_channels(enum lttng_domain_type domain,
84 struct ltt_session *session, struct lttng_channel **channels);
85 ssize_t cmd_list_domains(struct ltt_session *session,
86 struct lttng_domain **domains);
87 void cmd_list_lttng_sessions(struct lttng_session *sessions, uid_t uid,
88 gid_t gid);
89 ssize_t cmd_list_tracepoint_fields(enum lttng_domain_type domain,
90 struct lttng_event_field **fields);
91 ssize_t cmd_list_tracepoints(enum lttng_domain_type domain,
92 struct lttng_event **events);
93 ssize_t cmd_snapshot_list_outputs(struct ltt_session *session,
94 struct lttng_snapshot_output **outputs);
95 ssize_t cmd_list_syscalls(struct lttng_event **events);
96 ssize_t cmd_list_tracker_pids(struct ltt_session *session,
97 enum lttng_domain_type domain, int32_t **pids);
98
99 int cmd_calibrate(enum lttng_domain_type domain,
100 struct lttng_calibrate *calibrate);
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_metadata_regenerate(struct ltt_session *session);
114
115 #endif /* CMD_H */
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