Commit | Line | Data |
---|---|---|
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" | |
2f77fc4b | 12 | #include "session.h" |
aa74bd72 | 13 | #include "lttng-sessiond.h" |
2f77fc4b | 14 | |
b0880ae5 JG |
15 | struct notification_thread_handle; |
16 | ||
a503e1ef JG |
17 | /* |
18 | * A callback (and associated user data) that should be run after a command | |
19 | * has been executed. No locks should be taken while executing this handler. | |
20 | * | |
21 | * The command's reply should not be sent until the handler has run and | |
22 | * completed successfully. On failure, the handler's return code should | |
23 | * be the only reply sent to the client. | |
24 | */ | |
25 | typedef enum lttng_error_code (*completion_handler_function)(void *); | |
26 | struct cmd_completion_handler { | |
27 | completion_handler_function run; | |
28 | void *data; | |
29 | }; | |
30 | ||
2f77fc4b DG |
31 | /* |
32 | * Init the command subsystem. Must be called before using any of the functions | |
33 | * above. This is called in the main() of the session daemon. | |
34 | */ | |
35 | void cmd_init(void); | |
36 | ||
37 | /* Session commands */ | |
b178f53e JG |
38 | enum lttng_error_code cmd_create_session(struct command_ctx *cmd_ctx, int sock, |
39 | struct lttng_session_descriptor **return_descriptor); | |
e32d7f27 | 40 | int cmd_destroy_session(struct ltt_session *session, |
3e3665b8 JG |
41 | struct notification_thread_handle *notification_thread_handle, |
42 | int *sock_fd); | |
2f77fc4b DG |
43 | |
44 | /* Channel commands */ | |
56a37563 JG |
45 | int cmd_disable_channel(struct ltt_session *session, |
46 | enum lttng_domain_type domain, char *channel_name); | |
7972aab2 | 47 | int cmd_enable_channel(struct ltt_session *session, |
df4f5a87 | 48 | const struct lttng_domain *domain, const struct lttng_channel *attr, |
56a37563 | 49 | int wpipe); |
55c9e7ca JR |
50 | int cmd_track_id(struct ltt_session *session, |
51 | enum lttng_tracker_type tracker_type, | |
52 | enum lttng_domain_type domain, | |
53 | const struct lttng_tracker_id *id); | |
54 | int cmd_untrack_id(struct ltt_session *session, | |
55 | enum lttng_tracker_type tracker_type, | |
56 | enum lttng_domain_type domain, | |
57 | const struct lttng_tracker_id *id); | |
2f77fc4b DG |
58 | |
59 | /* Event commands */ | |
56a37563 JG |
60 | int cmd_disable_event(struct ltt_session *session, |
61 | enum lttng_domain_type domain, | |
df4f5a87 JG |
62 | const char *channel_name, |
63 | const struct lttng_event *event); | |
56a37563 | 64 | int cmd_add_context(struct ltt_session *session, enum lttng_domain_type domain, |
df4f5a87 | 65 | char *channel_name, const struct lttng_event_context *ctx, int kwpipe); |
56a37563 | 66 | int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain, |
178191b3 | 67 | char *channel_name, struct lttng_event *event, |
2f77fc4b | 68 | struct lttng_filter_bytecode *bytecode); |
df4f5a87 | 69 | int cmd_enable_event(struct ltt_session *session, const struct lttng_domain *domain, |
025faf73 | 70 | char *channel_name, struct lttng_event *event, |
6b453b5e | 71 | char *filter_expression, |
db8f1377 JI |
72 | struct lttng_filter_bytecode *filter, |
73 | struct lttng_event_exclusion *exclusion, | |
74 | int wpipe); | |
2f77fc4b DG |
75 | |
76 | /* Trace session action commands */ | |
77 | int cmd_start_trace(struct ltt_session *session); | |
78 | int cmd_stop_trace(struct ltt_session *session); | |
79 | ||
80 | /* Consumer commands */ | |
56a37563 JG |
81 | int cmd_register_consumer(struct ltt_session *session, |
82 | enum lttng_domain_type domain, | |
2f77fc4b | 83 | const char *sock_path, struct consumer_data *cdata); |
bda32d56 JG |
84 | int cmd_set_consumer_uri(struct ltt_session *session, size_t nb_uri, |
85 | struct lttng_uri *uris); | |
ffe60014 | 86 | int cmd_setup_relayd(struct ltt_session *session); |
2f77fc4b DG |
87 | |
88 | /* Listing commands */ | |
89 | ssize_t cmd_list_domains(struct ltt_session *session, | |
90 | struct lttng_domain **domains); | |
56a37563 JG |
91 | ssize_t cmd_list_events(enum lttng_domain_type domain, |
92 | struct ltt_session *session, char *channel_name, | |
b4e3ceb9 | 93 | struct lttng_event **events, size_t *total_size); |
56a37563 JG |
94 | ssize_t cmd_list_channels(enum lttng_domain_type domain, |
95 | struct ltt_session *session, struct lttng_channel **channels); | |
2f77fc4b DG |
96 | ssize_t cmd_list_domains(struct ltt_session *session, |
97 | struct lttng_domain **domains); | |
b178f53e JG |
98 | void cmd_list_lttng_sessions(struct lttng_session *sessions, |
99 | size_t session_count, uid_t uid, gid_t gid); | |
56a37563 | 100 | ssize_t cmd_list_tracepoint_fields(enum lttng_domain_type domain, |
2f77fc4b | 101 | struct lttng_event_field **fields); |
56a37563 JG |
102 | ssize_t cmd_list_tracepoints(enum lttng_domain_type domain, |
103 | struct lttng_event **events); | |
6dc3064a DG |
104 | ssize_t cmd_snapshot_list_outputs(struct ltt_session *session, |
105 | struct lttng_snapshot_output **outputs); | |
834978fd | 106 | ssize_t cmd_list_syscalls(struct lttng_event **events); |
a7a533cd | 107 | int cmd_list_tracker_ids(enum lttng_tracker_type tracker_type, |
55c9e7ca JR |
108 | struct ltt_session *session, |
109 | enum lttng_domain_type domain, | |
a7a533cd | 110 | struct lttng_tracker_ids **ids); |
2f77fc4b | 111 | |
6d805429 | 112 | int cmd_data_pending(struct ltt_session *session); |
2f77fc4b | 113 | |
6dc3064a DG |
114 | /* Snapshot */ |
115 | int cmd_snapshot_add_output(struct ltt_session *session, | |
df4f5a87 | 116 | const struct lttng_snapshot_output *output, uint32_t *id); |
6dc3064a | 117 | int cmd_snapshot_del_output(struct ltt_session *session, |
df4f5a87 | 118 | const struct lttng_snapshot_output *output); |
6dc3064a | 119 | int cmd_snapshot_record(struct ltt_session *session, |
df4f5a87 | 120 | const struct lttng_snapshot_output *output, int wait); |
6dc3064a | 121 | |
d7ba1388 MD |
122 | int cmd_set_session_shm_path(struct ltt_session *session, |
123 | const char *shm_path); | |
eded6438 | 124 | int cmd_regenerate_metadata(struct ltt_session *session); |
c2561365 | 125 | int cmd_regenerate_statedump(struct ltt_session *session); |
d7ba1388 | 126 | |
b0880ae5 JG |
127 | int cmd_register_trigger(struct command_ctx *cmd_ctx, int sock, |
128 | struct notification_thread_handle *notification_thread_handle); | |
129 | int cmd_unregister_trigger(struct command_ctx *cmd_ctx, int sock, | |
130 | struct notification_thread_handle *notification_thread_handle); | |
131 | ||
5c408ad8 | 132 | int cmd_rotate_session(struct ltt_session *session, |
7fdbed1c | 133 | struct lttng_rotate_session_return *rotate_return, |
343defc2 MD |
134 | bool quiet_rotation, |
135 | enum lttng_trace_chunk_command_type command); | |
d68c9a04 JD |
136 | int cmd_rotate_get_info(struct ltt_session *session, |
137 | struct lttng_rotation_get_info_return *info_return, | |
138 | uint64_t rotate_id); | |
66ea93b1 JG |
139 | int cmd_rotation_set_schedule(struct ltt_session *session, |
140 | bool activate, enum lttng_rotation_schedule_type schedule_type, | |
141 | uint64_t value, | |
90936dcf | 142 | struct notification_thread_handle *notification_thread_handle); |
5c408ad8 | 143 | |
a503e1ef | 144 | const struct cmd_completion_handler *cmd_pop_completion_handler(void); |
4dbe1875 MD |
145 | int start_kernel_session(struct ltt_kernel_session *ksess); |
146 | int stop_kernel_session(struct ltt_kernel_session *ksess); | |
a503e1ef | 147 | |
2f77fc4b | 148 | #endif /* CMD_H */ |