Fix: sessiond cmd.h: include missing lttng-sessiond.h
[lttng-tools.git] / src / bin / lttng-sessiond / cmd.h
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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"
2f77fc4b 22#include "session.h"
aa74bd72 23#include "lttng-sessiond.h"
2f77fc4b 24
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25struct notification_thread_handle;
26
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27/*
28 * A callback (and associated user data) that should be run after a command
29 * has been executed. No locks should be taken while executing this handler.
30 *
31 * The command's reply should not be sent until the handler has run and
32 * completed successfully. On failure, the handler's return code should
33 * be the only reply sent to the client.
34 */
35typedef enum lttng_error_code (*completion_handler_function)(void *);
36struct cmd_completion_handler {
37 completion_handler_function run;
38 void *data;
39};
40
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41/*
42 * Init the command subsystem. Must be called before using any of the functions
43 * above. This is called in the main() of the session daemon.
44 */
45void cmd_init(void);
46
47/* Session commands */
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48enum lttng_error_code cmd_create_session(struct command_ctx *cmd_ctx, int sock,
49 struct lttng_session_descriptor **return_descriptor);
e32d7f27 50int cmd_destroy_session(struct ltt_session *session,
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51 struct notification_thread_handle *notification_thread_handle,
52 int *sock_fd);
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53
54/* Channel commands */
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55int cmd_disable_channel(struct ltt_session *session,
56 enum lttng_domain_type domain, char *channel_name);
7972aab2 57int cmd_enable_channel(struct ltt_session *session,
df4f5a87 58 const struct lttng_domain *domain, const struct lttng_channel *attr,
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59 int wpipe);
60int cmd_track_pid(struct ltt_session *session, enum lttng_domain_type domain,
61 int pid);
62int cmd_untrack_pid(struct ltt_session *session, enum lttng_domain_type domain,
63 int pid);
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64
65/* Event commands */
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66int cmd_disable_event(struct ltt_session *session,
67 enum lttng_domain_type domain,
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68 const char *channel_name,
69 const struct lttng_event *event);
56a37563 70int cmd_add_context(struct ltt_session *session, enum lttng_domain_type domain,
df4f5a87 71 char *channel_name, const struct lttng_event_context *ctx, int kwpipe);
56a37563 72int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain,
178191b3 73 char *channel_name, struct lttng_event *event,
2f77fc4b 74 struct lttng_filter_bytecode *bytecode);
df4f5a87 75int cmd_enable_event(struct ltt_session *session, const struct lttng_domain *domain,
025faf73 76 char *channel_name, struct lttng_event *event,
6b453b5e 77 char *filter_expression,
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78 struct lttng_filter_bytecode *filter,
79 struct lttng_event_exclusion *exclusion,
80 int wpipe);
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81
82/* Trace session action commands */
83int cmd_start_trace(struct ltt_session *session);
84int cmd_stop_trace(struct ltt_session *session);
85
86/* Consumer commands */
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87int cmd_register_consumer(struct ltt_session *session,
88 enum lttng_domain_type domain,
2f77fc4b 89 const char *sock_path, struct consumer_data *cdata);
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90int cmd_set_consumer_uri(struct ltt_session *session, size_t nb_uri,
91 struct lttng_uri *uris);
ffe60014 92int cmd_setup_relayd(struct ltt_session *session);
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93
94/* Listing commands */
95ssize_t cmd_list_domains(struct ltt_session *session,
96 struct lttng_domain **domains);
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97ssize_t cmd_list_events(enum lttng_domain_type domain,
98 struct ltt_session *session, char *channel_name,
b4e3ceb9 99 struct lttng_event **events, size_t *total_size);
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100ssize_t cmd_list_channels(enum lttng_domain_type domain,
101 struct ltt_session *session, struct lttng_channel **channels);
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102ssize_t cmd_list_domains(struct ltt_session *session,
103 struct lttng_domain **domains);
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104void cmd_list_lttng_sessions(struct lttng_session *sessions,
105 size_t session_count, uid_t uid, gid_t gid);
56a37563 106ssize_t cmd_list_tracepoint_fields(enum lttng_domain_type domain,
2f77fc4b 107 struct lttng_event_field **fields);
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108ssize_t cmd_list_tracepoints(enum lttng_domain_type domain,
109 struct lttng_event **events);
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110ssize_t cmd_snapshot_list_outputs(struct ltt_session *session,
111 struct lttng_snapshot_output **outputs);
834978fd 112ssize_t cmd_list_syscalls(struct lttng_event **events);
a5dfbb9d 113ssize_t cmd_list_tracker_pids(struct ltt_session *session,
56a37563 114 enum lttng_domain_type domain, int32_t **pids);
2f77fc4b 115
6d805429 116int cmd_data_pending(struct ltt_session *session);
2f77fc4b 117
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118/* Snapshot */
119int cmd_snapshot_add_output(struct ltt_session *session,
df4f5a87 120 const struct lttng_snapshot_output *output, uint32_t *id);
6dc3064a 121int cmd_snapshot_del_output(struct ltt_session *session,
df4f5a87 122 const struct lttng_snapshot_output *output);
6dc3064a 123int cmd_snapshot_record(struct ltt_session *session,
df4f5a87 124 const struct lttng_snapshot_output *output, int wait);
6dc3064a 125
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126int cmd_set_session_shm_path(struct ltt_session *session,
127 const char *shm_path);
eded6438 128int cmd_regenerate_metadata(struct ltt_session *session);
c2561365 129int cmd_regenerate_statedump(struct ltt_session *session);
d7ba1388 130
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131int cmd_register_trigger(struct command_ctx *cmd_ctx, int sock,
132 struct notification_thread_handle *notification_thread_handle);
133int cmd_unregister_trigger(struct command_ctx *cmd_ctx, int sock,
134 struct notification_thread_handle *notification_thread_handle);
135
5c408ad8 136int cmd_rotate_session(struct ltt_session *session,
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137 struct lttng_rotate_session_return *rotate_return,
138 bool quiet_rotation);
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139int cmd_rotate_get_info(struct ltt_session *session,
140 struct lttng_rotation_get_info_return *info_return,
141 uint64_t rotate_id);
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142int cmd_rotation_set_schedule(struct ltt_session *session,
143 bool activate, enum lttng_rotation_schedule_type schedule_type,
144 uint64_t value,
90936dcf 145 struct notification_thread_handle *notification_thread_handle);
5c408ad8 146
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147const struct cmd_completion_handler *cmd_pop_completion_handler(void);
148
2f77fc4b 149#endif /* CMD_H */
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