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91d76f53 | 1 | /* |
21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
ab5be9fa | 3 | * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
91d76f53 | 4 | * |
ab5be9fa | 5 | * SPDX-License-Identifier: GPL-2.0-only |
91d76f53 | 6 | * |
91d76f53 DG |
7 | */ |
8 | ||
2106efa0 | 9 | #ifndef _LTT_UST_APP_H |
f6a9efaa | 10 | #define _LTT_UST_APP_H |
91d76f53 | 11 | |
28f23191 JG |
12 | #include "session.hpp" |
13 | #include "trace-ust.hpp" | |
14 | #include "ust-field-convert.hpp" | |
15 | #include "ust-registry-session.hpp" | |
16 | #include "ust-registry.hpp" | |
1e307fab | 17 | |
d7bfb9b0 | 18 | #include <common/format.hpp> |
28f23191 | 19 | #include <common/index-allocator.hpp> |
c9e313bc | 20 | #include <common/uuid.hpp> |
f20baf8e | 21 | |
28f23191 | 22 | #include <stdint.h> |
44d3bd01 | 23 | |
b551a063 DG |
24 | #define UST_APP_EVENT_LIST_SIZE 32 |
25 | ||
d88aee68 | 26 | /* Process name (short). */ |
28f23191 | 27 | #define UST_APP_PROCNAME_LEN 16 |
d0b96690 | 28 | |
2b00d462 | 29 | struct lttng_bytecode; |
53a80697 MD |
30 | struct lttng_ust_filter_bytecode; |
31 | ||
412d7227 | 32 | extern int the_ust_consumerd64_fd, the_ust_consumerd32_fd; |
ba5d816e | 33 | |
d88aee68 DG |
34 | /* |
35 | * Object used to close the notify socket in a call_rcu(). Since the | |
36 | * application might not be found, we need an independant object containing the | |
37 | * notify socket fd. | |
38 | */ | |
39 | struct ust_app_notify_sock_obj { | |
40 | int fd; | |
41 | struct rcu_head head; | |
42 | }; | |
43 | ||
18eace3b DG |
44 | struct ust_app_ht_key { |
45 | const char *name; | |
2b00d462 | 46 | const struct lttng_bytecode *filter; |
fc4b93fa | 47 | enum lttng_ust_abi_loglevel_type loglevel_type; |
dcd24bbf | 48 | int loglevel_value; |
51755dc8 | 49 | const struct lttng_event_exclusion *exclusion; |
18eace3b DG |
50 | }; |
51 | ||
099e26bd DG |
52 | /* |
53 | * Application registration data structure. | |
54 | */ | |
55 | struct ust_register_msg { | |
b623cb6a | 56 | enum lttng_ust_ctl_socket_type type; |
099e26bd DG |
57 | uint32_t major; |
58 | uint32_t minor; | |
d0b96690 DG |
59 | uint32_t abi_major; |
60 | uint32_t abi_minor; | |
099e26bd DG |
61 | pid_t pid; |
62 | pid_t ppid; | |
63 | uid_t uid; | |
64 | gid_t gid; | |
0df502fd | 65 | uint32_t bits_per_long; |
d0b96690 DG |
66 | uint32_t uint8_t_alignment; |
67 | uint32_t uint16_t_alignment; | |
68 | uint32_t uint32_t_alignment; | |
69 | uint32_t uint64_t_alignment; | |
70 | uint32_t long_alignment; | |
28f23191 | 71 | int byte_order; /* BIG_ENDIAN or LITTLE_ENDIAN */ |
d0b96690 | 72 | char name[LTTNG_UST_ABI_PROCNAME_LEN]; |
099e26bd DG |
73 | }; |
74 | ||
48842b30 | 75 | /* |
852d0037 DG |
76 | * Global applications HT used by the session daemon. This table is indexed by |
77 | * PID using the pid_n node and pid value of an ust_app. | |
48842b30 | 78 | */ |
44cdb3a2 | 79 | extern struct lttng_ht *ust_app_ht; |
f6a9efaa | 80 | |
852d0037 DG |
81 | /* |
82 | * Global applications HT used by the session daemon. This table is indexed by | |
83 | * socket using the sock_n node and sock value of an ust_app. | |
12e22e8d JG |
84 | * |
85 | * The 'sock' in question here is the 'command' socket. | |
852d0037 | 86 | */ |
44cdb3a2 | 87 | extern struct lttng_ht *ust_app_ht_by_sock; |
91d76f53 | 88 | |
d0b96690 DG |
89 | /* |
90 | * Global applications HT used by the session daemon. This table is indexed by | |
91 | * socket using the notify_sock_n node and notify_sock value of an ust_app. | |
92 | */ | |
44cdb3a2 | 93 | extern struct lttng_ht *ust_app_ht_by_notify_sock; |
d0b96690 | 94 | |
030a66fa DG |
95 | /* Stream list containing ust_app_stream. */ |
96 | struct ust_app_stream_list { | |
97 | unsigned int count; | |
98 | struct cds_list_head head; | |
99 | }; | |
100 | ||
55cc08a6 DG |
101 | struct ust_app_ctx { |
102 | int handle; | |
bdf64013 | 103 | struct lttng_ust_context_attr ctx; |
fc4b93fa | 104 | struct lttng_ust_abi_object_data *obj; |
bec39940 | 105 | struct lttng_ht_node_ulong node; |
31746f93 | 106 | struct cds_list_head list; |
55cc08a6 DG |
107 | }; |
108 | ||
48842b30 | 109 | struct ust_app_event { |
66cefebd | 110 | bool enabled; |
48842b30 | 111 | int handle; |
fc4b93fa MD |
112 | struct lttng_ust_abi_object_data *obj; |
113 | struct lttng_ust_abi_event attr; | |
114 | char name[LTTNG_UST_ABI_SYM_NAME_LEN]; | |
bec39940 | 115 | struct lttng_ht_node_str node; |
2b00d462 | 116 | struct lttng_bytecode *filter; |
51755dc8 | 117 | struct lttng_event_exclusion *exclusion; |
48842b30 DG |
118 | }; |
119 | ||
993578ff | 120 | struct ust_app_event_notifier_rule { |
66cefebd | 121 | bool enabled; |
533a90fb | 122 | uint64_t error_counter_index; |
993578ff | 123 | int handle; |
fc4b93fa | 124 | struct lttng_ust_abi_object_data *obj; |
993578ff | 125 | /* Holds a strong reference. */ |
267d66aa | 126 | struct lttng_trigger *trigger; |
993578ff JR |
127 | /* Unique ID returned by the tracer to identify this event notifier. */ |
128 | uint64_t token; | |
129 | struct lttng_ht_node_u64 node; | |
267d66aa | 130 | /* The trigger object owns the filter. */ |
2b00d462 | 131 | const struct lttng_bytecode *filter; |
993578ff JR |
132 | /* Owned by this. */ |
133 | struct lttng_event_exclusion *exclusion; | |
134 | /* For delayed reclaim. */ | |
135 | struct rcu_head rcu_head; | |
136 | }; | |
137 | ||
030a66fa DG |
138 | struct ust_app_stream { |
139 | int handle; | |
140 | char pathname[PATH_MAX]; | |
141 | /* Format is %s_%d respectively channel name and CPU number. */ | |
142 | char name[DEFAULT_STREAM_NAME_LEN]; | |
fc4b93fa | 143 | struct lttng_ust_abi_object_data *obj; |
030a66fa DG |
144 | /* Using a list of streams to keep order. */ |
145 | struct cds_list_head list; | |
146 | }; | |
147 | ||
48842b30 | 148 | struct ust_app_channel { |
66cefebd | 149 | bool enabled; |
48842b30 | 150 | int handle; |
dda154b8 JG |
151 | /* |
152 | * Unique key used to identify the channel on the consumer side. | |
153 | * 0 is a reserved 'invalid' value used to indicate that the consumer | |
a9577b76 | 154 | * does not know about this channel (i.e. an error occurred). |
dda154b8 | 155 | */ |
d88aee68 | 156 | uint64_t key; |
7972aab2 DG |
157 | /* Id of the tracing channel set on creation. */ |
158 | uint64_t tracing_channel_id; | |
ffe60014 DG |
159 | /* Number of stream that this channel is expected to receive. */ |
160 | unsigned int expected_stream_count; | |
fc4b93fa MD |
161 | char name[LTTNG_UST_ABI_SYM_NAME_LEN]; |
162 | struct lttng_ust_abi_object_data *obj; | |
b623cb6a | 163 | struct lttng_ust_ctl_consumer_channel_attr attr; |
030a66fa | 164 | struct ust_app_stream_list streams; |
d0b96690 DG |
165 | /* Session pointer that owns this object. */ |
166 | struct ust_app_session *session; | |
31746f93 DG |
167 | /* |
168 | * Contexts are kept in a hash table for fast lookup and in an ordered list | |
169 | * so we are able to enable them on the tracer side in the same order the | |
170 | * user added them. | |
171 | */ | |
bec39940 | 172 | struct lttng_ht *ctx; |
31746f93 DG |
173 | struct cds_list_head ctx_list; |
174 | ||
bec39940 | 175 | struct lttng_ht *events; |
1624d5b7 JD |
176 | uint64_t tracefile_size; |
177 | uint64_t tracefile_count; | |
e9404c27 | 178 | uint64_t monitor_timer_interval; |
d0b96690 DG |
179 | /* |
180 | * Node indexed by channel name in the channels' hash table of a session. | |
181 | */ | |
bec39940 | 182 | struct lttng_ht_node_str node; |
d0b96690 DG |
183 | /* |
184 | * Node indexed by UST channel object descriptor (handle). Stored in the | |
185 | * ust_objd hash table in the ust_app object. | |
186 | */ | |
187 | struct lttng_ht_node_ulong ust_objd_node; | |
36b588ed MD |
188 | /* For delayed reclaim */ |
189 | struct rcu_head rcu_head; | |
48842b30 DG |
190 | }; |
191 | ||
192 | struct ust_app_session { | |
d0b96690 DG |
193 | /* |
194 | * Lock protecting this session's ust app interaction. Held | |
195 | * across command send/recv to/from app. Never nests within the | |
196 | * session registry lock. | |
197 | */ | |
198 | pthread_mutex_t lock; | |
199 | ||
66cefebd | 200 | bool enabled; |
8be98f9a | 201 | /* started: has the session been in started state at any time ? */ |
28f23191 JG |
202 | bool started; /* allows detection of start vs restart. */ |
203 | int handle; /* used has unique identifier for app session */ | |
7972aab2 | 204 | |
28f23191 | 205 | bool deleted; /* Session deleted flag. Check with lock held. */ |
b161602a | 206 | |
7972aab2 DG |
207 | /* |
208 | * Tracing session ID. Multiple ust app session can have the same tracing | |
209 | * session id making this value NOT unique to the object. | |
210 | */ | |
d9bf3ca4 | 211 | uint64_t tracing_id; |
28f23191 | 212 | uint64_t id; /* Unique session identifier */ |
bec39940 | 213 | struct lttng_ht *channels; /* Registered channels */ |
d9bf3ca4 | 214 | struct lttng_ht_node_u64 node; |
10b56aef MD |
215 | /* |
216 | * Node indexed by UST session object descriptor (handle). Stored in the | |
217 | * ust_sessions_objd hash table in the ust_app object. | |
218 | */ | |
219 | struct lttng_ht_node_ulong ust_objd_node; | |
d2956687 | 220 | /* Starts with 'ust'; no leading slash. */ |
bec39940 | 221 | char path[PATH_MAX]; |
7972aab2 | 222 | /* UID/GID of the application owning the session */ |
470cc211 | 223 | struct lttng_credentials real_credentials; |
7972aab2 | 224 | /* Effective UID and GID. Same as the tracing session. */ |
470cc211 | 225 | struct lttng_credentials effective_credentials; |
d42f20df | 226 | struct cds_list_head teardown_node; |
d88aee68 DG |
227 | /* |
228 | * Once at least *one* session is created onto the application, the | |
229 | * corresponding consumer is set so we can use it on unregistration. | |
230 | */ | |
231 | struct consumer_output *consumer; | |
7972aab2 DG |
232 | enum lttng_buffer_type buffer_type; |
233 | /* ABI of the session. Same value as the application. */ | |
234 | uint32_t bits_per_long; | |
36b588ed MD |
235 | /* For delayed reclaim */ |
236 | struct rcu_head rcu_head; | |
2bba9e53 DG |
237 | /* If the channel's streams have to be outputed or not. */ |
238 | unsigned int output_traces; | |
28f23191 | 239 | unsigned int live_timer_interval; /* usec */ |
ad7a9107 DG |
240 | |
241 | /* Metadata channel attributes. */ | |
b623cb6a | 242 | struct lttng_ust_ctl_consumer_channel_attr metadata_attr; |
d7ba1388 | 243 | |
3d071855 | 244 | char root_shm_path[PATH_MAX]; |
d7ba1388 | 245 | char shm_path[PATH_MAX]; |
48842b30 DG |
246 | }; |
247 | ||
f6a9efaa DG |
248 | /* |
249 | * Registered traceable applications. Libust registers to the session daemon | |
050349bb | 250 | * and a linked list is kept of all running traceable app. |
91d76f53 | 251 | */ |
56fff090 | 252 | struct ust_app { |
a7db814e JG |
253 | /* |
254 | * The lifetime of 'sock' holds a reference to the application; the | |
255 | * application management thread will release a reference to the | |
256 | * application if the application dies. | |
257 | */ | |
258 | urcu_ref ref; | |
259 | ||
9fdee7ba | 260 | /* Traffic initiated from the session daemon to the application. */ |
852d0037 | 261 | int sock; |
28f23191 | 262 | pthread_mutex_t sock_lock; /* Protects sock protocol. */ |
fb45065e | 263 | |
9fdee7ba | 264 | /* Traffic initiated from the application to the session daemon. */ |
d0b96690 | 265 | int notify_sock; |
852d0037 | 266 | pid_t pid; |
099e26bd | 267 | pid_t ppid; |
28f23191 JG |
268 | uid_t uid; /* User ID that owns the apps */ |
269 | gid_t gid; /* Group ID that owns the apps */ | |
d0b96690 | 270 | |
d7bfb9b0 JG |
271 | /* App ABI. */ |
272 | lttng::sessiond::trace::abi abi; | |
d0b96690 | 273 | |
e0c7ec2b DG |
274 | int compatible; /* If the lttng-ust tracer version does not match the |
275 | supported version of the session daemon, this flag is | |
276 | set to 0 (NOT compatible) else 1. */ | |
fc4b93fa | 277 | struct lttng_ust_abi_tracer_version version; |
28f23191 JG |
278 | uint32_t v_major; /* Version major number */ |
279 | uint32_t v_minor; /* Version minor number */ | |
d88aee68 DG |
280 | /* Extra for the NULL byte. */ |
281 | char name[UST_APP_PROCNAME_LEN + 1]; | |
7972aab2 DG |
282 | /* Type of buffer this application uses. */ |
283 | enum lttng_buffer_type buffer_type; | |
bec39940 | 284 | struct lttng_ht *sessions; |
852d0037 DG |
285 | struct lttng_ht_node_ulong pid_n; |
286 | struct lttng_ht_node_ulong sock_n; | |
d0b96690 | 287 | struct lttng_ht_node_ulong notify_sock_n; |
d42f20df DG |
288 | /* |
289 | * This is a list of ust app session that, once the app is going into | |
290 | * teardown mode, in the RCU call, each node in this list is removed and | |
291 | * deleted. | |
292 | * | |
293 | * Element of the list are added when an application unregisters after each | |
294 | * ht_del of ust_app_session associated to this app. This list is NOT used | |
295 | * when a session is destroyed. | |
296 | */ | |
297 | struct cds_list_head teardown_head; | |
d0b96690 DG |
298 | /* |
299 | * Hash table containing ust_app_channel indexed by channel objd. | |
300 | */ | |
301 | struct lttng_ht *ust_objd; | |
10b56aef MD |
302 | /* |
303 | * Hash table containing ust_app_session indexed by objd. | |
304 | */ | |
305 | struct lttng_ht *ust_sessions_objd; | |
022d91ba | 306 | |
f20baf8e | 307 | /* |
022d91ba DG |
308 | * If this application is of the agent domain and this is non negative then |
309 | * a lookup MUST be done to acquire a read side reference to the | |
310 | * corresponding agent app object. If the lookup fails, this should be set | |
311 | * to a negative value indicating that the agent application is gone. | |
f20baf8e | 312 | */ |
022d91ba | 313 | int agent_app_sock; |
940c4592 JR |
314 | /* |
315 | * Time at which the app is registred. | |
316 | * Used for path creation | |
317 | */ | |
318 | time_t registration_time; | |
da873412 JR |
319 | /* |
320 | * Event notifier | |
321 | */ | |
322 | struct { | |
323 | /* | |
324 | * Handle to the lttng_ust object representing the event | |
325 | * notifier group. | |
326 | */ | |
fc4b93fa | 327 | struct lttng_ust_abi_object_data *object; |
da873412 | 328 | struct lttng_pipe *event_pipe; |
533a90fb FD |
329 | struct lttng_ust_abi_object_data *counter; |
330 | struct lttng_ust_abi_object_data **counter_cpu; | |
331 | int nr_counter_cpu; | |
da873412 | 332 | } event_notifier_group; |
993578ff JR |
333 | /* |
334 | * Hashtable indexing the application's event notifier rule's | |
335 | * (ust_app_event_notifier_rule) by their token's value. | |
336 | */ | |
337 | struct lttng_ht *token_to_event_notifier_rule_ht; | |
b6bbb1d6 JG |
338 | |
339 | lttng::sessiond::ust::ctl_field_quirks ctl_field_quirks() const; | |
91d76f53 DG |
340 | }; |
341 | ||
11bcbf89 JG |
342 | /* |
343 | * Due to a bug in g++ < 7.1, this specialization must be enclosed in the fmt namespace, | |
344 | * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480. | |
345 | */ | |
e2c2bec2 | 346 | namespace fmt { |
d7bfb9b0 | 347 | template <> |
e2c2bec2 | 348 | struct formatter<ust_app> : formatter<std::string> { |
31375c42 JG |
349 | template <typename FormatContextType> |
350 | typename FormatContextType::iterator format(const ust_app& app, FormatContextType& ctx) | |
d7bfb9b0 | 351 | { |
28f23191 JG |
352 | return format_to( |
353 | ctx.out(), | |
354 | "{{ procname = `{}`, ppid = {}, pid = {}, uid = {}, gid = {}, version = {}.{}, registration time = {} }}", | |
355 | app.name, | |
356 | app.ppid, | |
357 | app.pid, | |
358 | app.uid, | |
359 | app.gid, | |
360 | app.v_major, | |
361 | app.v_minor, | |
362 | lttng::utils::time_to_iso8601_str(app.registration_time)); | |
d7bfb9b0 JG |
363 | } |
364 | }; | |
e2c2bec2 | 365 | } /* namespace fmt */ |
d7bfb9b0 | 366 | |
74d0b642 | 367 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 368 | |
56fff090 | 369 | int ust_app_register(struct ust_register_msg *msg, int sock); |
fb45065e | 370 | int ust_app_register_done(struct ust_app *app); |
d0b96690 | 371 | int ust_app_version(struct ust_app *app); |
a7db814e | 372 | void ust_app_unregister_by_socket(int sock); |
421cb601 | 373 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 374 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 | 375 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); |
b551a063 | 376 | int ust_app_list_events(struct lttng_event **events); |
f37d259d | 377 | int ust_app_list_event_fields(struct lttng_event_field **fields); |
35a9059d | 378 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
28f23191 JG |
379 | struct ltt_ust_channel *uchan, |
380 | struct ltt_ust_event *uevent); | |
381 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, struct ltt_ust_channel *uchan); | |
382 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, struct ltt_ust_channel *uchan); | |
35a9059d | 383 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
28f23191 JG |
384 | struct ltt_ust_channel *uchan, |
385 | struct ltt_ust_event *uevent); | |
35a9059d | 386 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
28f23191 JG |
387 | struct ltt_ust_channel *uchan, |
388 | struct ltt_ust_event *uevent); | |
55cc08a6 | 389 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
28f23191 JG |
390 | struct ltt_ust_channel *uchan, |
391 | struct ltt_ust_context *uctx); | |
a9ad0c8f MD |
392 | void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app); |
393 | void ust_app_global_update_all(struct ltt_ust_session *usess); | |
993578ff | 394 | void ust_app_global_update_event_notifier_rules(struct ust_app *app); |
cd9adb8b | 395 | void ust_app_global_update_all_event_notifier_rules(); |
91d76f53 | 396 | |
cd9adb8b JG |
397 | void ust_app_clean_list(); |
398 | int ust_app_ht_alloc(); | |
f6a9efaa | 399 | struct ust_app *ust_app_find_by_pid(pid_t pid); |
cd9adb8b | 400 | struct ust_app_stream *ust_app_alloc_stream(); |
d0b96690 DG |
401 | int ust_app_recv_registration(int sock, struct ust_register_msg *msg); |
402 | int ust_app_recv_notify(int sock); | |
403 | void ust_app_add(struct ust_app *app); | |
404 | struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock); | |
d88aee68 | 405 | void ust_app_notify_sock_unregister(int sock); |
b0f2e8db | 406 | ssize_t ust_app_push_metadata(const lttng::sessiond::ust::registry_session::locked_ptr& registry, |
28f23191 JG |
407 | struct consumer_socket *socket, |
408 | int send_zero_data); | |
28f23191 JG |
409 | enum lttng_error_code ust_app_snapshot_record(const struct ltt_ust_session *usess, |
410 | const struct consumer_output *output, | |
411 | uint64_t nb_packets_per_stream); | |
412 | uint64_t ust_app_get_size_one_more_packet_per_stream(const struct ltt_ust_session *usess, | |
413 | uint64_t cur_nr_packets); | |
f20baf8e | 414 | struct ust_app *ust_app_find_by_sock(int sock); |
fb83fe64 | 415 | int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id, |
28f23191 JG |
416 | struct cds_list_head *buffer_reg_uid_list, |
417 | struct consumer_output *consumer, | |
418 | uint64_t uchan_id, | |
419 | int overwrite, | |
420 | uint64_t *discarded, | |
421 | uint64_t *lost); | |
fb83fe64 | 422 | int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess, |
28f23191 JG |
423 | struct ltt_ust_channel *uchan, |
424 | struct consumer_output *consumer, | |
425 | int overwrite, | |
426 | uint64_t *discarded, | |
427 | uint64_t *lost); | |
c2561365 | 428 | int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess); |
6f6d3b69 | 429 | enum lttng_error_code ust_app_rotate_session(struct ltt_session *session); |
28f23191 JG |
430 | enum lttng_error_code ust_app_create_channel_subdirectories(const struct ltt_ust_session *session); |
431 | int ust_app_release_object(struct ust_app *app, struct lttng_ust_abi_object_data *data); | |
4a9b9759 | 432 | enum lttng_error_code ust_app_clear_session(struct ltt_session *session); |
04ed9e10 | 433 | enum lttng_error_code ust_app_open_packets(struct ltt_session *session); |
44d3bd01 | 434 | |
da873412 JR |
435 | int ust_app_setup_event_notifier_group(struct ust_app *app); |
436 | ||
28f23191 | 437 | static inline int ust_app_supported() |
b51ec5b4 MD |
438 | { |
439 | return 1; | |
440 | } | |
441 | ||
783db316 MD |
442 | bool ust_app_supports_notifiers(const struct ust_app *app); |
443 | bool ust_app_supports_counters(const struct ust_app *app); | |
444 | ||
a7db814e JG |
445 | bool ust_app_get(ust_app& app); |
446 | void ust_app_put(ust_app *app); | |
447 | ||
448 | using ust_app_reference = | |
449 | std::unique_ptr<ust_app, lttng::memory::create_deleter_class<ust_app, ust_app_put>::deleter>; | |
450 | ||
74d0b642 | 451 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 452 | |
28f23191 | 453 | static inline int ust_app_destroy_trace_all(struct ltt_ust_session *usess __attribute__((unused))) |
cc920def DG |
454 | { |
455 | return 0; | |
456 | } | |
f46376a1 | 457 | |
28f23191 JG |
458 | static inline int ust_app_start_trace(struct ltt_ust_session *usess __attribute__((unused)), |
459 | struct ust_app *app __attribute__((unused))) | |
421cb601 DG |
460 | { |
461 | return 0; | |
462 | } | |
f46376a1 | 463 | |
28f23191 | 464 | static inline int ust_app_start_trace_all(struct ltt_ust_session *usess __attribute__((unused))) |
d974f197 | 465 | { |
5cf5d0e7 | 466 | return 0; |
d974f197 | 467 | } |
f46376a1 | 468 | |
28f23191 | 469 | static inline int ust_app_stop_trace_all(struct ltt_ust_session *usess __attribute__((unused))) |
cc920def DG |
470 | { |
471 | return 0; | |
472 | } | |
f46376a1 | 473 | |
28f23191 | 474 | static inline int ust_app_list_events(struct lttng_event **events __attribute__((unused))) |
b551a063 | 475 | { |
db7c0497 | 476 | return -ENOSYS; |
b551a063 | 477 | } |
f46376a1 | 478 | |
28f23191 JG |
479 | static inline int ust_app_list_event_fields(struct lttng_event_field **fields |
480 | __attribute__((unused))) | |
da0bdb87 MD |
481 | { |
482 | return -ENOSYS; | |
483 | } | |
f46376a1 | 484 | |
28f23191 JG |
485 | static inline int ust_app_register(struct ust_register_msg *msg __attribute__((unused)), |
486 | int sock __attribute__((unused))) | |
3bd1e081 MD |
487 | { |
488 | return -ENOSYS; | |
489 | } | |
f46376a1 | 490 | |
28f23191 | 491 | static inline int ust_app_register_done(struct ust_app *app __attribute__((unused))) |
f2ca2e25 GF |
492 | { |
493 | return -ENOSYS; | |
494 | } | |
f46376a1 | 495 | |
28f23191 | 496 | static inline int ust_app_version(struct ust_app *app __attribute__((unused))) |
d0b96690 DG |
497 | { |
498 | return -ENOSYS; | |
499 | } | |
f46376a1 | 500 | |
a7db814e | 501 | static inline void ust_app_unregister_by_socket(int sock __attribute__((unused))) |
3bd1e081 MD |
502 | { |
503 | } | |
f46376a1 | 504 | |
28f23191 | 505 | static inline void ust_app_clean_list(void) |
3bd1e081 MD |
506 | { |
507 | } | |
f46376a1 | 508 | |
28f23191 | 509 | static inline struct ust_app_list *ust_app_get_list(void) |
3bd1e081 MD |
510 | { |
511 | return NULL; | |
512 | } | |
f46376a1 | 513 | |
28f23191 | 514 | static inline struct ust_app *ust_app_get_by_pid(pid_t pid __attribute__((unused))) |
3bd1e081 MD |
515 | { |
516 | return NULL; | |
517 | } | |
f46376a1 | 518 | |
28f23191 | 519 | static inline int ust_app_ht_alloc(void) |
12a84043 JG |
520 | { |
521 | return 0; | |
522 | } | |
f46376a1 | 523 | |
28f23191 JG |
524 | static inline void ust_app_global_update(struct ltt_ust_session *usess __attribute__((unused)), |
525 | struct ust_app *app __attribute__((unused))) | |
526 | { | |
527 | } | |
f46376a1 | 528 | |
28f23191 JG |
529 | static inline void ust_app_global_update_event_notifier_rules(struct ust_app *app |
530 | __attribute__((unused))) | |
531 | { | |
532 | } | |
f46376a1 | 533 | |
28f23191 JG |
534 | static inline void ust_app_global_update_all_event_notifier_rules(void) |
535 | { | |
536 | } | |
f46376a1 | 537 | |
28f23191 | 538 | static inline int ust_app_setup_event_notifier_group(struct ust_app *app __attribute__((unused))) |
da873412 JR |
539 | { |
540 | return 0; | |
541 | } | |
f46376a1 | 542 | |
28f23191 JG |
543 | static inline int ust_app_disable_channel_glb(struct ltt_ust_session *usess __attribute__((unused)), |
544 | struct ltt_ust_channel *uchan __attribute__((unused))) | |
d974f197 | 545 | { |
cc920def | 546 | return 0; |
d974f197 | 547 | } |
f46376a1 | 548 | |
28f23191 JG |
549 | static inline int ust_app_enable_channel_glb(struct ltt_ust_session *usess __attribute__((unused)), |
550 | struct ltt_ust_channel *uchan __attribute__((unused))) | |
487cf67c | 551 | { |
cc920def DG |
552 | return 0; |
553 | } | |
f46376a1 | 554 | |
28f23191 JG |
555 | static inline int ust_app_create_event_glb(struct ltt_ust_session *usess __attribute__((unused)), |
556 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
557 | struct ltt_ust_event *uevent __attribute__((unused))) | |
35a9059d DG |
558 | { |
559 | return 0; | |
560 | } | |
f46376a1 | 561 | |
28f23191 JG |
562 | static inline int ust_app_disable_event_glb(struct ltt_ust_session *usess __attribute__((unused)), |
563 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
564 | struct ltt_ust_event *uevent __attribute__((unused))) | |
cc920def DG |
565 | { |
566 | return 0; | |
487cf67c | 567 | } |
f46376a1 | 568 | |
28f23191 JG |
569 | static inline int ust_app_enable_event_glb(struct ltt_ust_session *usess __attribute__((unused)), |
570 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
571 | struct ltt_ust_event *uevent __attribute__((unused))) | |
edb67388 DG |
572 | { |
573 | return 0; | |
574 | } | |
f46376a1 | 575 | |
28f23191 JG |
576 | static inline int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess __attribute__((unused)), |
577 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
578 | struct ltt_ust_context *uctx __attribute__((unused))) | |
55cc08a6 DG |
579 | { |
580 | return 0; | |
581 | } | |
f46376a1 | 582 | |
28f23191 JG |
583 | static inline int ust_app_enable_event_pid(struct ltt_ust_session *usess __attribute__((unused)), |
584 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
585 | struct ltt_ust_event *uevent __attribute__((unused)), | |
586 | pid_t pid __attribute__((unused))) | |
76d45b40 DG |
587 | { |
588 | return 0; | |
589 | } | |
f46376a1 | 590 | |
28f23191 JG |
591 | static inline int ust_app_recv_registration(int sock __attribute__((unused)), |
592 | struct ust_register_msg *msg __attribute__((unused))) | |
d0b96690 DG |
593 | { |
594 | return 0; | |
595 | } | |
f46376a1 | 596 | |
28f23191 | 597 | static inline int ust_app_recv_notify(int sock __attribute__((unused))) |
4466912f DG |
598 | { |
599 | return 0; | |
600 | } | |
f46376a1 | 601 | |
28f23191 JG |
602 | static inline struct ust_app *ust_app_create(struct ust_register_msg *msg __attribute__((unused)), |
603 | int sock __attribute__((unused))) | |
d0b96690 DG |
604 | { |
605 | return NULL; | |
606 | } | |
f46376a1 | 607 | |
28f23191 | 608 | static inline void ust_app_add(struct ust_app *app __attribute__((unused))) |
d0b96690 DG |
609 | { |
610 | } | |
f46376a1 | 611 | |
28f23191 | 612 | static inline void ust_app_notify_sock_unregister(int sock __attribute__((unused))) |
d88aee68 DG |
613 | { |
614 | } | |
f46376a1 | 615 | |
28f23191 JG |
616 | static inline ssize_t ust_app_push_metadata(lttng::sessiond::ust::registry_session *registry |
617 | __attribute__((unused)), | |
618 | struct consumer_socket *socket __attribute__((unused)), | |
619 | int send_zero_data __attribute__((unused))) | |
331744e3 JD |
620 | { |
621 | return 0; | |
622 | } | |
f46376a1 | 623 | |
28f23191 JG |
624 | static inline enum lttng_error_code |
625 | ust_app_snapshot_record(struct ltt_ust_session *usess __attribute__((unused)), | |
626 | const struct consumer_output *output __attribute__((unused)), | |
627 | uint64_t max_stream_size __attribute__((unused))) | |
5c786ded | 628 | { |
7966af57 | 629 | return LTTNG_ERR_UNK; |
5c786ded | 630 | } |
f46376a1 | 631 | |
28f23191 JG |
632 | static inline unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess |
633 | __attribute__((unused))) | |
6dc3064a DG |
634 | { |
635 | return 0; | |
636 | } | |
f46376a1 | 637 | |
28f23191 JG |
638 | static inline void ust_app_update_event_notifier_error_count(struct lttng_trigger *lttng_trigger |
639 | __attribute__((unused))) | |
533a90fb FD |
640 | { |
641 | return; | |
642 | } | |
f46376a1 | 643 | |
28f23191 | 644 | static inline int ust_app_supported(void) |
b51ec5b4 MD |
645 | { |
646 | return 0; | |
647 | } | |
f46376a1 | 648 | |
28f23191 | 649 | static inline bool ust_app_supports_notifiers(const struct ust_app *app __attribute__((unused))) |
783db316 MD |
650 | { |
651 | return false; | |
652 | } | |
f46376a1 | 653 | |
28f23191 | 654 | static inline bool ust_app_supports_counters(const struct ust_app *app __attribute__((unused))) |
783db316 MD |
655 | { |
656 | return false; | |
657 | } | |
f46376a1 | 658 | |
28f23191 | 659 | static inline struct ust_app *ust_app_find_by_sock(int sock __attribute__((unused))) |
f20baf8e DG |
660 | { |
661 | return NULL; | |
662 | } | |
f46376a1 | 663 | |
28f23191 | 664 | static inline struct ust_app *ust_app_find_by_pid(pid_t pid __attribute__((unused))) |
95b1d17c DG |
665 | { |
666 | return NULL; | |
667 | } | |
f46376a1 | 668 | |
28f23191 JG |
669 | static inline uint64_t |
670 | ust_app_get_size_one_more_packet_per_stream(const struct ltt_ust_session *usess | |
671 | __attribute__((unused)), | |
672 | uint64_t cur_nr_packets __attribute__((unused))) | |
673 | { | |
16f35901 JG |
674 | return 0; |
675 | } | |
f46376a1 | 676 | |
28f23191 JG |
677 | static inline int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id |
678 | __attribute__((unused)), | |
679 | struct cds_list_head *buffer_reg_uid_list | |
680 | __attribute__((unused)), | |
681 | struct consumer_output *consumer | |
682 | __attribute__((unused)), | |
683 | int overwrite __attribute__((unused)), | |
684 | uint64_t uchan_id __attribute__((unused)), | |
685 | uint64_t *discarded __attribute__((unused)), | |
686 | uint64_t *lost __attribute__((unused))) | |
fb83fe64 JD |
687 | { |
688 | return 0; | |
689 | } | |
690 | ||
28f23191 JG |
691 | static inline int |
692 | ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess __attribute__((unused)), | |
693 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
694 | struct consumer_output *consumer __attribute__((unused)), | |
695 | int overwrite __attribute__((unused)), | |
696 | uint64_t *discarded __attribute__((unused)), | |
697 | uint64_t *lost __attribute__((unused))) | |
fb83fe64 JD |
698 | { |
699 | return 0; | |
700 | } | |
b51ec5b4 | 701 | |
28f23191 JG |
702 | static inline int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess |
703 | __attribute__((unused))) | |
6f698634 JG |
704 | { |
705 | return 0; | |
706 | } | |
707 | ||
28f23191 JG |
708 | static inline enum lttng_error_code ust_app_rotate_session(struct ltt_session *session |
709 | __attribute__((unused))) | |
5c408ad8 | 710 | { |
7966af57 | 711 | return LTTNG_ERR_UNK; |
5c408ad8 JD |
712 | } |
713 | ||
28f23191 JG |
714 | static inline enum lttng_error_code |
715 | ust_app_create_channel_subdirectories(const struct ltt_ust_session *session __attribute__((unused))) | |
d2956687 | 716 | { |
7966af57 | 717 | return LTTNG_ERR_UNK; |
d2956687 JG |
718 | } |
719 | ||
28f23191 JG |
720 | static inline int ust_app_release_object(struct ust_app *app __attribute__((unused)), |
721 | struct lttng_ust_abi_object_data *data | |
722 | __attribute__((unused))) | |
75018ab6 JG |
723 | { |
724 | return 0; | |
725 | } | |
726 | ||
28f23191 JG |
727 | static inline enum lttng_error_code ust_app_clear_session(struct ltt_session *session |
728 | __attribute__((unused))) | |
4a9b9759 | 729 | { |
7966af57 | 730 | return LTTNG_ERR_UNK; |
4a9b9759 MD |
731 | } |
732 | ||
28f23191 JG |
733 | static inline enum lttng_error_code ust_app_open_packets(struct ltt_session *session |
734 | __attribute__((unused))) | |
04ed9e10 | 735 | { |
7966af57 | 736 | return LTTNG_ERR_UNK; |
04ed9e10 JG |
737 | } |
738 | ||
a7db814e JG |
739 | static inline void ust_app_get(ust_app& app __attribute__((unused))) |
740 | { | |
741 | } | |
742 | ||
743 | static inline void ust_app_put(ust_app *app __attribute__((unused))) | |
744 | { | |
745 | } | |
746 | ||
74d0b642 | 747 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 748 | |
f6a9efaa | 749 | #endif /* _LTT_UST_APP_H */ |