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 | ||
11 | #include "context.h" | |
aa74bd72 | 12 | #include "lttng-sessiond.h" |
ebdb334b | 13 | #include "lttng/map/map.h" |
159b042f JG |
14 | #include "lttng/tracker.h" |
15 | #include "session.h" | |
16 | #include <common/tracker.h> | |
2f77fc4b | 17 | |
ebdb334b | 18 | |
b0880ae5 JG |
19 | struct notification_thread_handle; |
20 | ||
a503e1ef JG |
21 | /* |
22 | * A callback (and associated user data) that should be run after a command | |
23 | * has been executed. No locks should be taken while executing this handler. | |
24 | * | |
25 | * The command's reply should not be sent until the handler has run and | |
26 | * completed successfully. On failure, the handler's return code should | |
27 | * be the only reply sent to the client. | |
28 | */ | |
29 | typedef enum lttng_error_code (*completion_handler_function)(void *); | |
30 | struct cmd_completion_handler { | |
31 | completion_handler_function run; | |
32 | void *data; | |
33 | }; | |
34 | ||
2f77fc4b DG |
35 | /* |
36 | * Init the command subsystem. Must be called before using any of the functions | |
37 | * above. This is called in the main() of the session daemon. | |
38 | */ | |
39 | void cmd_init(void); | |
40 | ||
41 | /* Session commands */ | |
b178f53e JG |
42 | enum lttng_error_code cmd_create_session(struct command_ctx *cmd_ctx, int sock, |
43 | struct lttng_session_descriptor **return_descriptor); | |
e32d7f27 | 44 | int cmd_destroy_session(struct ltt_session *session, |
3e3665b8 JG |
45 | struct notification_thread_handle *notification_thread_handle, |
46 | int *sock_fd); | |
2f77fc4b DG |
47 | |
48 | /* Channel commands */ | |
56a37563 JG |
49 | int cmd_disable_channel(struct ltt_session *session, |
50 | enum lttng_domain_type domain, char *channel_name); | |
7972aab2 | 51 | int cmd_enable_channel(struct ltt_session *session, |
df4f5a87 | 52 | const struct lttng_domain *domain, const struct lttng_channel *attr, |
56a37563 | 53 | int wpipe); |
ebdb334b JR |
54 | enum lttng_error_code cmd_add_map(struct command_ctx *cmd_ctx, int sock); |
55 | ||
56 | enum lttng_error_code cmd_enable_map(struct ltt_session *session, | |
57 | enum lttng_domain_type domain, char *map_name); | |
58 | ||
59 | enum lttng_error_code cmd_disable_map(struct ltt_session *session, | |
60 | enum lttng_domain_type domain, char *map_name); | |
159b042f JG |
61 | |
62 | /* Process attribute tracker commands */ | |
63 | enum lttng_error_code cmd_process_attr_tracker_get_tracking_policy( | |
64 | struct ltt_session *session, | |
55c9e7ca | 65 | enum lttng_domain_type domain, |
159b042f JG |
66 | enum lttng_process_attr process_attr, |
67 | enum lttng_tracking_policy *policy); | |
68 | enum lttng_error_code cmd_process_attr_tracker_set_tracking_policy( | |
69 | struct ltt_session *session, | |
70 | enum lttng_domain_type domain, | |
71 | enum lttng_process_attr process_attr, | |
72 | enum lttng_tracking_policy policy); | |
73 | enum lttng_error_code cmd_process_attr_tracker_inclusion_set_add_value( | |
74 | struct ltt_session *session, | |
55c9e7ca | 75 | enum lttng_domain_type domain, |
159b042f JG |
76 | enum lttng_process_attr process_attr, |
77 | const struct process_attr_value *value); | |
78 | enum lttng_error_code cmd_process_attr_tracker_inclusion_set_remove_value( | |
79 | struct ltt_session *session, | |
80 | enum lttng_domain_type domain, | |
81 | enum lttng_process_attr process_attr, | |
82 | const struct process_attr_value *value); | |
83 | enum lttng_error_code cmd_process_attr_tracker_get_inclusion_set( | |
84 | struct ltt_session *session, | |
85 | enum lttng_domain_type domain, | |
86 | enum lttng_process_attr process_attr, | |
87 | struct lttng_process_attr_values **values); | |
2f77fc4b DG |
88 | |
89 | /* Event commands */ | |
56a37563 JG |
90 | int cmd_disable_event(struct ltt_session *session, |
91 | enum lttng_domain_type domain, | |
df4f5a87 JG |
92 | const char *channel_name, |
93 | const struct lttng_event *event); | |
56a37563 | 94 | int cmd_add_context(struct ltt_session *session, enum lttng_domain_type domain, |
df4f5a87 | 95 | char *channel_name, const struct lttng_event_context *ctx, int kwpipe); |
56a37563 | 96 | int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain, |
178191b3 | 97 | char *channel_name, struct lttng_event *event, |
2b00d462 | 98 | struct lttng_bytecode *bytecode); |
df4f5a87 | 99 | int cmd_enable_event(struct ltt_session *session, const struct lttng_domain *domain, |
025faf73 | 100 | char *channel_name, struct lttng_event *event, |
6b453b5e | 101 | char *filter_expression, |
2b00d462 | 102 | struct lttng_bytecode *filter, |
db8f1377 JI |
103 | struct lttng_event_exclusion *exclusion, |
104 | int wpipe); | |
2f77fc4b DG |
105 | |
106 | /* Trace session action commands */ | |
107 | int cmd_start_trace(struct ltt_session *session); | |
108 | int cmd_stop_trace(struct ltt_session *session); | |
109 | ||
110 | /* Consumer commands */ | |
56a37563 JG |
111 | int cmd_register_consumer(struct ltt_session *session, |
112 | enum lttng_domain_type domain, | |
2f77fc4b | 113 | const char *sock_path, struct consumer_data *cdata); |
bda32d56 JG |
114 | int cmd_set_consumer_uri(struct ltt_session *session, size_t nb_uri, |
115 | struct lttng_uri *uris); | |
ffe60014 | 116 | int cmd_setup_relayd(struct ltt_session *session); |
2f77fc4b DG |
117 | |
118 | /* Listing commands */ | |
119 | ssize_t cmd_list_domains(struct ltt_session *session, | |
120 | struct lttng_domain **domains); | |
56a37563 JG |
121 | ssize_t cmd_list_events(enum lttng_domain_type domain, |
122 | struct ltt_session *session, char *channel_name, | |
e368fb43 | 123 | struct lttng_payload *payload); |
56a37563 JG |
124 | ssize_t cmd_list_channels(enum lttng_domain_type domain, |
125 | struct ltt_session *session, struct lttng_channel **channels); | |
ebdb334b JR |
126 | enum lttng_error_code cmd_list_maps(enum lttng_domain_type domain, |
127 | struct ltt_session *session, | |
128 | struct lttng_map_list **return_map_list); | |
2f77fc4b DG |
129 | ssize_t cmd_list_domains(struct ltt_session *session, |
130 | struct lttng_domain **domains); | |
b178f53e JG |
131 | void cmd_list_lttng_sessions(struct lttng_session *sessions, |
132 | size_t session_count, uid_t uid, gid_t gid); | |
56a37563 | 133 | ssize_t cmd_list_tracepoint_fields(enum lttng_domain_type domain, |
2f77fc4b | 134 | struct lttng_event_field **fields); |
56a37563 JG |
135 | ssize_t cmd_list_tracepoints(enum lttng_domain_type domain, |
136 | struct lttng_event **events); | |
6dc3064a DG |
137 | ssize_t cmd_snapshot_list_outputs(struct ltt_session *session, |
138 | struct lttng_snapshot_output **outputs); | |
834978fd | 139 | ssize_t cmd_list_syscalls(struct lttng_event **events); |
2f77fc4b | 140 | |
6d805429 | 141 | int cmd_data_pending(struct ltt_session *session); |
2f77fc4b | 142 | |
6dc3064a DG |
143 | /* Snapshot */ |
144 | int cmd_snapshot_add_output(struct ltt_session *session, | |
df4f5a87 | 145 | const struct lttng_snapshot_output *output, uint32_t *id); |
6dc3064a | 146 | int cmd_snapshot_del_output(struct ltt_session *session, |
df4f5a87 | 147 | const struct lttng_snapshot_output *output); |
6dc3064a | 148 | int cmd_snapshot_record(struct ltt_session *session, |
df4f5a87 | 149 | const struct lttng_snapshot_output *output, int wait); |
6dc3064a | 150 | |
d7ba1388 MD |
151 | int cmd_set_session_shm_path(struct ltt_session *session, |
152 | const char *shm_path); | |
eded6438 | 153 | int cmd_regenerate_metadata(struct ltt_session *session); |
c2561365 | 154 | int cmd_regenerate_statedump(struct ltt_session *session); |
d7ba1388 | 155 | |
70670472 JR |
156 | enum lttng_error_code cmd_register_trigger( |
157 | const struct lttng_credentials *cmd_creds, | |
746e08d7 | 158 | struct lttng_trigger *trigger, |
242388e4 JR |
159 | struct notification_thread_handle *notification_thread_handle, |
160 | struct lttng_trigger **return_trigger); | |
70670472 JR |
161 | enum lttng_error_code cmd_unregister_trigger( |
162 | const struct lttng_credentials *cmd_creds, | |
746e08d7 | 163 | const struct lttng_trigger *trigger, |
b0880ae5 JG |
164 | struct notification_thread_handle *notification_thread_handle); |
165 | ||
fbc9f37d JR |
166 | int cmd_list_triggers(struct command_ctx *cmd_ctx, |
167 | struct notification_thread_handle *notification_thread_handle, | |
168 | struct lttng_triggers **return_triggers); | |
169 | ||
5c408ad8 | 170 | int cmd_rotate_session(struct ltt_session *session, |
7fdbed1c | 171 | struct lttng_rotate_session_return *rotate_return, |
343defc2 MD |
172 | bool quiet_rotation, |
173 | enum lttng_trace_chunk_command_type command); | |
d68c9a04 JD |
174 | int cmd_rotate_get_info(struct ltt_session *session, |
175 | struct lttng_rotation_get_info_return *info_return, | |
176 | uint64_t rotate_id); | |
66ea93b1 JG |
177 | int cmd_rotation_set_schedule(struct ltt_session *session, |
178 | bool activate, enum lttng_rotation_schedule_type schedule_type, | |
179 | uint64_t value, | |
90936dcf | 180 | struct notification_thread_handle *notification_thread_handle); |
5c408ad8 | 181 | |
ebdb334b JR |
182 | int cmd_list_map_values(const char *session_name, const struct lttng_map *map, |
183 | const struct lttng_map_query *map_query, | |
184 | struct lttng_map_content **return_map_content); | |
185 | ||
a503e1ef | 186 | const struct cmd_completion_handler *cmd_pop_completion_handler(void); |
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 */ |