Commit | Line | Data |
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2f77fc4b | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2012 David Goulet <dgoulet@efficios.com> |
2f77fc4b | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: GPL-2.0-only |
2f77fc4b | 5 | * |
2f77fc4b DG |
6 | */ |
7 | ||
8 | #ifndef CMD_H | |
9 | #define CMD_H | |
10 | ||
c9e313bc SM |
11 | #include "context.hpp" |
12 | #include "lttng-sessiond.hpp" | |
159b042f | 13 | #include "lttng/tracker.h" |
c9e313bc | 14 | #include "session.hpp" |
28f23191 | 15 | |
c9e313bc | 16 | #include <common/tracker.hpp> |
11927a78 | 17 | |
49cddecd | 18 | #include <lttng/kernel.h> |
2f77fc4b | 19 | |
b0880ae5 | 20 | struct notification_thread_handle; |
999af9c1 | 21 | struct lttng_dynamic_buffer; |
b0880ae5 | 22 | |
a503e1ef JG |
23 | /* |
24 | * A callback (and associated user data) that should be run after a command | |
25 | * has been executed. No locks should be taken while executing this handler. | |
26 | * | |
27 | * The command's reply should not be sent until the handler has run and | |
28 | * completed successfully. On failure, the handler's return code should | |
29 | * be the only reply sent to the client. | |
30 | */ | |
e665dfbc | 31 | using completion_handler_function = enum lttng_error_code (*)(void *); |
a503e1ef JG |
32 | struct cmd_completion_handler { |
33 | completion_handler_function run; | |
34 | void *data; | |
35 | }; | |
36 | ||
2f77fc4b DG |
37 | /* |
38 | * Init the command subsystem. Must be called before using any of the functions | |
39 | * above. This is called in the main() of the session daemon. | |
40 | */ | |
0f4aa1a8 | 41 | void cmd_init(); |
2f77fc4b DG |
42 | |
43 | /* Session commands */ | |
28f23191 JG |
44 | enum lttng_error_code cmd_create_session(struct command_ctx *cmd_ctx, |
45 | int sock, | |
46 | struct lttng_session_descriptor **return_descriptor); | |
0038180d | 47 | int cmd_destroy_session(struct ltt_session *session, int *sock_fd); |
2f77fc4b DG |
48 | |
49 | /* Channel commands */ | |
56a37563 | 50 | int cmd_disable_channel(struct ltt_session *session, |
28f23191 JG |
51 | enum lttng_domain_type domain, |
52 | char *channel_name); | |
999af9c1 | 53 | int cmd_enable_channel(struct command_ctx *cmd_ctx, int sock, int wpipe); |
159b042f JG |
54 | |
55 | /* Process attribute tracker commands */ | |
28f23191 JG |
56 | enum lttng_error_code |
57 | cmd_process_attr_tracker_get_tracking_policy(struct ltt_session *session, | |
58 | enum lttng_domain_type domain, | |
59 | enum lttng_process_attr process_attr, | |
60 | enum lttng_tracking_policy *policy); | |
61 | enum lttng_error_code | |
62 | cmd_process_attr_tracker_set_tracking_policy(struct ltt_session *session, | |
63 | enum lttng_domain_type domain, | |
64 | enum lttng_process_attr process_attr, | |
65 | enum lttng_tracking_policy policy); | |
66 | enum lttng_error_code | |
67 | cmd_process_attr_tracker_inclusion_set_add_value(struct ltt_session *session, | |
68 | enum lttng_domain_type domain, | |
69 | enum lttng_process_attr process_attr, | |
70 | const struct process_attr_value *value); | |
71 | enum lttng_error_code | |
72 | cmd_process_attr_tracker_inclusion_set_remove_value(struct ltt_session *session, | |
73 | enum lttng_domain_type domain, | |
74 | enum lttng_process_attr process_attr, | |
75 | const struct process_attr_value *value); | |
76 | enum lttng_error_code | |
77 | cmd_process_attr_tracker_get_inclusion_set(struct ltt_session *session, | |
78 | enum lttng_domain_type domain, | |
79 | enum lttng_process_attr process_attr, | |
80 | struct lttng_process_attr_values **values); | |
2f77fc4b DG |
81 | |
82 | /* Event commands */ | |
8ddd72ef | 83 | int cmd_disable_event(struct command_ctx *cmd_ctx, |
28f23191 JG |
84 | struct lttng_event *event, |
85 | char *filter_expression, | |
86 | struct lttng_bytecode *filter, | |
87 | struct lttng_event_exclusion *exclusion); | |
26e1c61f | 88 | int cmd_add_context(struct command_ctx *cmd_ctx, |
28f23191 JG |
89 | const struct lttng_event_context *event_context, |
90 | int kwpipe); | |
91 | int cmd_set_filter(struct ltt_session *session, | |
92 | enum lttng_domain_type domain, | |
93 | char *channel_name, | |
94 | struct lttng_event *event, | |
95 | struct lttng_bytecode *bytecode); | |
8ddd72ef | 96 | int cmd_enable_event(struct command_ctx *cmd_ctx, |
28f23191 JG |
97 | struct lttng_event *event, |
98 | char *filter_expression, | |
99 | struct lttng_event_exclusion *exclusion, | |
100 | struct lttng_bytecode *bytecode, | |
101 | int wpipe); | |
2f77fc4b DG |
102 | |
103 | /* Trace session action commands */ | |
104 | int cmd_start_trace(struct ltt_session *session); | |
105 | int cmd_stop_trace(struct ltt_session *session); | |
106 | ||
107 | /* Consumer commands */ | |
56a37563 | 108 | int cmd_register_consumer(struct ltt_session *session, |
28f23191 JG |
109 | enum lttng_domain_type domain, |
110 | const char *sock_path, | |
111 | struct consumer_data *cdata); | |
112 | int cmd_set_consumer_uri(struct ltt_session *session, size_t nb_uri, struct lttng_uri *uris); | |
ffe60014 | 113 | int cmd_setup_relayd(struct ltt_session *session); |
2f77fc4b DG |
114 | |
115 | /* Listing commands */ | |
28f23191 | 116 | ssize_t cmd_list_domains(struct ltt_session *session, struct lttng_domain **domains); |
8ddd72ef | 117 | enum lttng_error_code cmd_list_events(enum lttng_domain_type domain, |
28f23191 JG |
118 | struct ltt_session *session, |
119 | char *channel_name, | |
120 | struct lttng_payload *payload); | |
999af9c1 | 121 | enum lttng_error_code cmd_list_channels(enum lttng_domain_type domain, |
28f23191 JG |
122 | struct ltt_session *session, |
123 | struct lttng_payload *payload); | |
b178f53e | 124 | void cmd_list_lttng_sessions(struct lttng_session *sessions, |
28f23191 JG |
125 | size_t session_count, |
126 | uid_t uid, | |
127 | gid_t gid); | |
b2d68839 | 128 | enum lttng_error_code cmd_list_tracepoint_fields(enum lttng_domain_type domain, |
28f23191 | 129 | struct lttng_payload *reply); |
8ddd72ef | 130 | enum lttng_error_code cmd_list_tracepoints(enum lttng_domain_type domain, |
28f23191 | 131 | struct lttng_payload *reply_payload); |
6dc3064a | 132 | ssize_t cmd_snapshot_list_outputs(struct ltt_session *session, |
28f23191 JG |
133 | struct lttng_snapshot_output **outputs); |
134 | enum lttng_error_code cmd_list_syscalls(struct lttng_payload *reply_payload); | |
2f77fc4b | 135 | |
6d805429 | 136 | int cmd_data_pending(struct ltt_session *session); |
49cddecd | 137 | enum lttng_error_code cmd_kernel_tracer_status(enum lttng_kernel_tracer_status *status); |
2f77fc4b | 138 | |
6dc3064a DG |
139 | /* Snapshot */ |
140 | int cmd_snapshot_add_output(struct ltt_session *session, | |
28f23191 JG |
141 | const struct lttng_snapshot_output *output, |
142 | uint32_t *id); | |
6dc3064a | 143 | int cmd_snapshot_del_output(struct ltt_session *session, |
28f23191 | 144 | const struct lttng_snapshot_output *output); |
6dc3064a | 145 | int cmd_snapshot_record(struct ltt_session *session, |
28f23191 JG |
146 | const struct lttng_snapshot_output *output, |
147 | int wait); | |
6dc3064a | 148 | |
28f23191 | 149 | int cmd_set_session_shm_path(struct ltt_session *session, const char *shm_path); |
eded6438 | 150 | int cmd_regenerate_metadata(struct ltt_session *session); |
c2561365 | 151 | int cmd_regenerate_statedump(struct ltt_session *session); |
d7ba1388 | 152 | |
28f23191 JG |
153 | enum lttng_error_code |
154 | cmd_register_trigger(const struct lttng_credentials *cmd_creds, | |
155 | struct lttng_trigger *trigger, | |
156 | bool is_anonymous_trigger, | |
157 | struct notification_thread_handle *notification_thread_handle, | |
158 | struct lttng_trigger **return_trigger); | |
159 | enum lttng_error_code | |
160 | cmd_unregister_trigger(const struct lttng_credentials *cmd_creds, | |
161 | const struct lttng_trigger *trigger, | |
162 | struct notification_thread_handle *notification_thread_handle); | |
163 | ||
164 | enum lttng_error_code | |
165 | cmd_list_triggers(struct command_ctx *cmd_ctx, | |
166 | struct notification_thread_handle *notification_thread_handle, | |
167 | struct lttng_triggers **return_triggers); | |
168 | enum lttng_error_code | |
169 | cmd_execute_error_query(const struct lttng_credentials *cmd_creds, | |
170 | const struct lttng_error_query *query, | |
171 | struct lttng_error_query_results **_results, | |
172 | struct notification_thread_handle *notification_thread); | |
fbc9f37d | 173 | |
5c408ad8 | 174 | int cmd_rotate_session(struct ltt_session *session, |
28f23191 JG |
175 | struct lttng_rotate_session_return *rotate_return, |
176 | bool quiet_rotation, | |
177 | enum lttng_trace_chunk_command_type command); | |
d68c9a04 | 178 | int cmd_rotate_get_info(struct ltt_session *session, |
28f23191 JG |
179 | struct lttng_rotation_get_info_return *info_return, |
180 | uint64_t rotate_id); | |
66ea93b1 | 181 | int cmd_rotation_set_schedule(struct ltt_session *session, |
28f23191 JG |
182 | bool activate, |
183 | enum lttng_rotation_schedule_type schedule_type, | |
184 | uint64_t value); | |
5c408ad8 | 185 | |
0f4aa1a8 | 186 | const struct cmd_completion_handler *cmd_pop_completion_handler(); |
4dbe1875 MD |
187 | int start_kernel_session(struct ltt_kernel_session *ksess); |
188 | int stop_kernel_session(struct ltt_kernel_session *ksess); | |
a503e1ef | 189 | |
2f77fc4b | 190 | #endif /* CMD_H */ |