| 1 | /* |
| 2 | * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca> |
| 3 | * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0-only |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #ifndef _LTT_UST_APP_H |
| 10 | #define _LTT_UST_APP_H |
| 11 | |
| 12 | #include <stdint.h> |
| 13 | |
| 14 | #include <common/uuid.h> |
| 15 | |
| 16 | #include "trace-ust.h" |
| 17 | #include "ust-registry.h" |
| 18 | #include "session.h" |
| 19 | |
| 20 | #define UST_APP_EVENT_LIST_SIZE 32 |
| 21 | |
| 22 | /* Process name (short). */ |
| 23 | #define UST_APP_PROCNAME_LEN 16 |
| 24 | |
| 25 | struct lttng_bytecode; |
| 26 | struct lttng_ust_filter_bytecode; |
| 27 | |
| 28 | extern int ust_consumerd64_fd, ust_consumerd32_fd; |
| 29 | |
| 30 | /* |
| 31 | * Object used to close the notify socket in a call_rcu(). Since the |
| 32 | * application might not be found, we need an independant object containing the |
| 33 | * notify socket fd. |
| 34 | */ |
| 35 | struct ust_app_notify_sock_obj { |
| 36 | int fd; |
| 37 | struct rcu_head head; |
| 38 | }; |
| 39 | |
| 40 | struct ust_app_ht_key { |
| 41 | const char *name; |
| 42 | const struct lttng_bytecode *filter; |
| 43 | enum lttng_ust_loglevel_type loglevel_type; |
| 44 | const struct lttng_event_exclusion *exclusion; |
| 45 | }; |
| 46 | |
| 47 | /* |
| 48 | * Application registration data structure. |
| 49 | */ |
| 50 | struct ust_register_msg { |
| 51 | enum ustctl_socket_type type; |
| 52 | uint32_t major; |
| 53 | uint32_t minor; |
| 54 | uint32_t abi_major; |
| 55 | uint32_t abi_minor; |
| 56 | pid_t pid; |
| 57 | pid_t ppid; |
| 58 | uid_t uid; |
| 59 | gid_t gid; |
| 60 | uint32_t bits_per_long; |
| 61 | uint32_t uint8_t_alignment; |
| 62 | uint32_t uint16_t_alignment; |
| 63 | uint32_t uint32_t_alignment; |
| 64 | uint32_t uint64_t_alignment; |
| 65 | uint32_t long_alignment; |
| 66 | int byte_order; /* BIG_ENDIAN or LITTLE_ENDIAN */ |
| 67 | char name[LTTNG_UST_ABI_PROCNAME_LEN]; |
| 68 | }; |
| 69 | |
| 70 | /* |
| 71 | * Global applications HT used by the session daemon. This table is indexed by |
| 72 | * PID using the pid_n node and pid value of an ust_app. |
| 73 | */ |
| 74 | extern struct lttng_ht *ust_app_ht; |
| 75 | |
| 76 | /* |
| 77 | * Global applications HT used by the session daemon. This table is indexed by |
| 78 | * socket using the sock_n node and sock value of an ust_app. |
| 79 | * |
| 80 | * The 'sock' in question here is the 'command' socket. |
| 81 | */ |
| 82 | extern struct lttng_ht *ust_app_ht_by_sock; |
| 83 | |
| 84 | /* |
| 85 | * Global applications HT used by the session daemon. This table is indexed by |
| 86 | * socket using the notify_sock_n node and notify_sock value of an ust_app. |
| 87 | */ |
| 88 | extern struct lttng_ht *ust_app_ht_by_notify_sock; |
| 89 | |
| 90 | /* Stream list containing ust_app_stream. */ |
| 91 | struct ust_app_stream_list { |
| 92 | unsigned int count; |
| 93 | struct cds_list_head head; |
| 94 | }; |
| 95 | |
| 96 | struct ust_app_ctx { |
| 97 | int handle; |
| 98 | struct lttng_ust_context_attr ctx; |
| 99 | struct lttng_ust_object_data *obj; |
| 100 | struct lttng_ht_node_ulong node; |
| 101 | struct cds_list_head list; |
| 102 | }; |
| 103 | |
| 104 | struct ust_app_event { |
| 105 | int enabled; |
| 106 | int handle; |
| 107 | struct lttng_ust_object_data *obj; |
| 108 | struct lttng_ust_event attr; |
| 109 | char name[LTTNG_UST_SYM_NAME_LEN]; |
| 110 | struct lttng_ht_node_str node; |
| 111 | struct lttng_bytecode *filter; |
| 112 | struct lttng_event_exclusion *exclusion; |
| 113 | }; |
| 114 | |
| 115 | struct ust_app_event_notifier_rule { |
| 116 | int enabled; |
| 117 | int handle; |
| 118 | struct lttng_ust_object_data *obj; |
| 119 | /* Holds a strong reference. */ |
| 120 | struct lttng_event_rule *event_rule; |
| 121 | /* Unique ID returned by the tracer to identify this event notifier. */ |
| 122 | uint64_t token; |
| 123 | struct lttng_ht_node_u64 node; |
| 124 | /* The event_rule object owns the filter. */ |
| 125 | const struct lttng_bytecode *filter; |
| 126 | /* Owned by this. */ |
| 127 | struct lttng_event_exclusion *exclusion; |
| 128 | /* For delayed reclaim. */ |
| 129 | struct rcu_head rcu_head; |
| 130 | }; |
| 131 | |
| 132 | struct ust_app_stream { |
| 133 | int handle; |
| 134 | char pathname[PATH_MAX]; |
| 135 | /* Format is %s_%d respectively channel name and CPU number. */ |
| 136 | char name[DEFAULT_STREAM_NAME_LEN]; |
| 137 | struct lttng_ust_object_data *obj; |
| 138 | /* Using a list of streams to keep order. */ |
| 139 | struct cds_list_head list; |
| 140 | }; |
| 141 | |
| 142 | struct ust_app_channel { |
| 143 | int enabled; |
| 144 | int handle; |
| 145 | /* Channel and streams were sent to the UST tracer. */ |
| 146 | int is_sent; |
| 147 | /* |
| 148 | * Unique key used to identify the channel on the consumer side. |
| 149 | * 0 is a reserved 'invalid' value used to indicate that the consumer |
| 150 | * does not know about this channel (i.e. an error occurred). |
| 151 | */ |
| 152 | uint64_t key; |
| 153 | /* Id of the tracing channel set on creation. */ |
| 154 | uint64_t tracing_channel_id; |
| 155 | /* Number of stream that this channel is expected to receive. */ |
| 156 | unsigned int expected_stream_count; |
| 157 | char name[LTTNG_UST_SYM_NAME_LEN]; |
| 158 | struct lttng_ust_object_data *obj; |
| 159 | struct ustctl_consumer_channel_attr attr; |
| 160 | struct ust_app_stream_list streams; |
| 161 | /* Session pointer that owns this object. */ |
| 162 | struct ust_app_session *session; |
| 163 | /* |
| 164 | * Contexts are kept in a hash table for fast lookup and in an ordered list |
| 165 | * so we are able to enable them on the tracer side in the same order the |
| 166 | * user added them. |
| 167 | */ |
| 168 | struct lttng_ht *ctx; |
| 169 | struct cds_list_head ctx_list; |
| 170 | |
| 171 | struct lttng_ht *events; |
| 172 | uint64_t tracefile_size; |
| 173 | uint64_t tracefile_count; |
| 174 | uint64_t monitor_timer_interval; |
| 175 | /* |
| 176 | * Node indexed by channel name in the channels' hash table of a session. |
| 177 | */ |
| 178 | struct lttng_ht_node_str node; |
| 179 | /* |
| 180 | * Node indexed by UST channel object descriptor (handle). Stored in the |
| 181 | * ust_objd hash table in the ust_app object. |
| 182 | */ |
| 183 | struct lttng_ht_node_ulong ust_objd_node; |
| 184 | /* For delayed reclaim */ |
| 185 | struct rcu_head rcu_head; |
| 186 | }; |
| 187 | |
| 188 | struct ust_app_session { |
| 189 | /* |
| 190 | * Lock protecting this session's ust app interaction. Held |
| 191 | * across command send/recv to/from app. Never nests within the |
| 192 | * session registry lock. |
| 193 | */ |
| 194 | pthread_mutex_t lock; |
| 195 | |
| 196 | int enabled; |
| 197 | /* started: has the session been in started state at any time ? */ |
| 198 | int started; /* allows detection of start vs restart. */ |
| 199 | int handle; /* used has unique identifier for app session */ |
| 200 | |
| 201 | bool deleted; /* Session deleted flag. Check with lock held. */ |
| 202 | |
| 203 | /* |
| 204 | * Tracing session ID. Multiple ust app session can have the same tracing |
| 205 | * session id making this value NOT unique to the object. |
| 206 | */ |
| 207 | uint64_t tracing_id; |
| 208 | uint64_t id; /* Unique session identifier */ |
| 209 | struct lttng_ht *channels; /* Registered channels */ |
| 210 | struct lttng_ht_node_u64 node; |
| 211 | /* |
| 212 | * Node indexed by UST session object descriptor (handle). Stored in the |
| 213 | * ust_sessions_objd hash table in the ust_app object. |
| 214 | */ |
| 215 | struct lttng_ht_node_ulong ust_objd_node; |
| 216 | /* Starts with 'ust'; no leading slash. */ |
| 217 | char path[PATH_MAX]; |
| 218 | /* UID/GID of the application owning the session */ |
| 219 | struct lttng_credentials real_credentials; |
| 220 | /* Effective UID and GID. Same as the tracing session. */ |
| 221 | struct lttng_credentials effective_credentials; |
| 222 | struct cds_list_head teardown_node; |
| 223 | /* |
| 224 | * Once at least *one* session is created onto the application, the |
| 225 | * corresponding consumer is set so we can use it on unregistration. |
| 226 | */ |
| 227 | struct consumer_output *consumer; |
| 228 | enum lttng_buffer_type buffer_type; |
| 229 | /* ABI of the session. Same value as the application. */ |
| 230 | uint32_t bits_per_long; |
| 231 | /* For delayed reclaim */ |
| 232 | struct rcu_head rcu_head; |
| 233 | /* If the channel's streams have to be outputed or not. */ |
| 234 | unsigned int output_traces; |
| 235 | unsigned int live_timer_interval; /* usec */ |
| 236 | |
| 237 | /* Metadata channel attributes. */ |
| 238 | struct ustctl_consumer_channel_attr metadata_attr; |
| 239 | |
| 240 | char root_shm_path[PATH_MAX]; |
| 241 | char shm_path[PATH_MAX]; |
| 242 | }; |
| 243 | |
| 244 | /* |
| 245 | * Registered traceable applications. Libust registers to the session daemon |
| 246 | * and a linked list is kept of all running traceable app. |
| 247 | */ |
| 248 | struct ust_app { |
| 249 | int sock; |
| 250 | pthread_mutex_t sock_lock; /* Protects sock protocol. */ |
| 251 | |
| 252 | int notify_sock; |
| 253 | pid_t pid; |
| 254 | pid_t ppid; |
| 255 | uid_t uid; /* User ID that owns the apps */ |
| 256 | gid_t gid; /* Group ID that owns the apps */ |
| 257 | |
| 258 | /* App ABI */ |
| 259 | uint32_t bits_per_long; |
| 260 | uint32_t uint8_t_alignment; |
| 261 | uint32_t uint16_t_alignment; |
| 262 | uint32_t uint32_t_alignment; |
| 263 | uint32_t uint64_t_alignment; |
| 264 | uint32_t long_alignment; |
| 265 | int byte_order; /* BIG_ENDIAN or LITTLE_ENDIAN */ |
| 266 | |
| 267 | int compatible; /* If the lttng-ust tracer version does not match the |
| 268 | supported version of the session daemon, this flag is |
| 269 | set to 0 (NOT compatible) else 1. */ |
| 270 | struct lttng_ust_tracer_version version; |
| 271 | uint32_t v_major; /* Version major number */ |
| 272 | uint32_t v_minor; /* Version minor number */ |
| 273 | /* Extra for the NULL byte. */ |
| 274 | char name[UST_APP_PROCNAME_LEN + 1]; |
| 275 | /* Type of buffer this application uses. */ |
| 276 | enum lttng_buffer_type buffer_type; |
| 277 | struct lttng_ht *sessions; |
| 278 | struct lttng_ht_node_ulong pid_n; |
| 279 | struct lttng_ht_node_ulong sock_n; |
| 280 | struct lttng_ht_node_ulong notify_sock_n; |
| 281 | /* |
| 282 | * This is a list of ust app session that, once the app is going into |
| 283 | * teardown mode, in the RCU call, each node in this list is removed and |
| 284 | * deleted. |
| 285 | * |
| 286 | * Element of the list are added when an application unregisters after each |
| 287 | * ht_del of ust_app_session associated to this app. This list is NOT used |
| 288 | * when a session is destroyed. |
| 289 | */ |
| 290 | struct cds_list_head teardown_head; |
| 291 | /* |
| 292 | * Hash table containing ust_app_channel indexed by channel objd. |
| 293 | */ |
| 294 | struct lttng_ht *ust_objd; |
| 295 | /* |
| 296 | * Hash table containing ust_app_session indexed by objd. |
| 297 | */ |
| 298 | struct lttng_ht *ust_sessions_objd; |
| 299 | |
| 300 | /* |
| 301 | * If this application is of the agent domain and this is non negative then |
| 302 | * a lookup MUST be done to acquire a read side reference to the |
| 303 | * corresponding agent app object. If the lookup fails, this should be set |
| 304 | * to a negative value indicating that the agent application is gone. |
| 305 | */ |
| 306 | int agent_app_sock; |
| 307 | /* |
| 308 | * Time at which the app is registred. |
| 309 | * Used for path creation |
| 310 | */ |
| 311 | time_t registration_time; |
| 312 | /* |
| 313 | * Event notifier |
| 314 | */ |
| 315 | struct { |
| 316 | /* |
| 317 | * Handle to the lttng_ust object representing the event |
| 318 | * notifier group. |
| 319 | */ |
| 320 | struct lttng_ust_object_data *object; |
| 321 | struct lttng_pipe *event_pipe; |
| 322 | } event_notifier_group; |
| 323 | /* |
| 324 | * Hashtable indexing the application's event notifier rule's |
| 325 | * (ust_app_event_notifier_rule) by their token's value. |
| 326 | */ |
| 327 | struct lttng_ht *token_to_event_notifier_rule_ht; |
| 328 | }; |
| 329 | |
| 330 | #ifdef HAVE_LIBLTTNG_UST_CTL |
| 331 | |
| 332 | int ust_app_register(struct ust_register_msg *msg, int sock); |
| 333 | int ust_app_register_done(struct ust_app *app); |
| 334 | int ust_app_version(struct ust_app *app); |
| 335 | void ust_app_unregister(int sock); |
| 336 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
| 337 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
| 338 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); |
| 339 | int ust_app_list_events(struct lttng_event **events); |
| 340 | int ust_app_list_event_fields(struct lttng_event_field **fields); |
| 341 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
| 342 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
| 343 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
| 344 | struct ltt_ust_channel *uchan); |
| 345 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
| 346 | struct ltt_ust_channel *uchan); |
| 347 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
| 348 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
| 349 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
| 350 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
| 351 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
| 352 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx); |
| 353 | void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app); |
| 354 | void ust_app_global_update_all(struct ltt_ust_session *usess); |
| 355 | void ust_app_global_update_event_notifier_rules(struct ust_app *app); |
| 356 | void ust_app_global_update_all_event_notifier_rules(void); |
| 357 | |
| 358 | void ust_app_clean_list(void); |
| 359 | int ust_app_ht_alloc(void); |
| 360 | struct ust_app *ust_app_find_by_pid(pid_t pid); |
| 361 | struct ust_app_stream *ust_app_alloc_stream(void); |
| 362 | int ust_app_recv_registration(int sock, struct ust_register_msg *msg); |
| 363 | int ust_app_recv_notify(int sock); |
| 364 | void ust_app_add(struct ust_app *app); |
| 365 | struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock); |
| 366 | void ust_app_notify_sock_unregister(int sock); |
| 367 | ssize_t ust_app_push_metadata(struct ust_registry_session *registry, |
| 368 | struct consumer_socket *socket, int send_zero_data); |
| 369 | void ust_app_destroy(struct ust_app *app); |
| 370 | enum lttng_error_code ust_app_snapshot_record( |
| 371 | const struct ltt_ust_session *usess, |
| 372 | const struct consumer_output *output, int wait, |
| 373 | uint64_t nb_packets_per_stream); |
| 374 | uint64_t ust_app_get_size_one_more_packet_per_stream( |
| 375 | const struct ltt_ust_session *usess, uint64_t cur_nr_packets); |
| 376 | struct ust_app *ust_app_find_by_sock(int sock); |
| 377 | int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id, |
| 378 | struct cds_list_head *buffer_reg_uid_list, |
| 379 | struct consumer_output *consumer, uint64_t uchan_id, |
| 380 | int overwrite, uint64_t *discarded, uint64_t *lost); |
| 381 | int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess, |
| 382 | struct ltt_ust_channel *uchan, |
| 383 | struct consumer_output *consumer, |
| 384 | int overwrite, uint64_t *discarded, uint64_t *lost); |
| 385 | int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess); |
| 386 | enum lttng_error_code ust_app_rotate_session(struct ltt_session *session); |
| 387 | enum lttng_error_code ust_app_create_channel_subdirectories( |
| 388 | const struct ltt_ust_session *session); |
| 389 | int ust_app_release_object(struct ust_app *app, |
| 390 | struct lttng_ust_object_data *data); |
| 391 | enum lttng_error_code ust_app_clear_session(struct ltt_session *session); |
| 392 | enum lttng_error_code ust_app_open_packets(struct ltt_session *session); |
| 393 | |
| 394 | int ust_app_setup_event_notifier_group(struct ust_app *app); |
| 395 | |
| 396 | static inline |
| 397 | int ust_app_supported(void) |
| 398 | { |
| 399 | return 1; |
| 400 | } |
| 401 | |
| 402 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
| 403 | |
| 404 | static inline |
| 405 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess) |
| 406 | { |
| 407 | return 0; |
| 408 | } |
| 409 | static inline |
| 410 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
| 411 | { |
| 412 | return 0; |
| 413 | } |
| 414 | static inline |
| 415 | int ust_app_start_trace_all(struct ltt_ust_session *usess) |
| 416 | { |
| 417 | return 0; |
| 418 | } |
| 419 | static inline |
| 420 | int ust_app_stop_trace_all(struct ltt_ust_session *usess) |
| 421 | { |
| 422 | return 0; |
| 423 | } |
| 424 | static inline |
| 425 | int ust_app_list_events(struct lttng_event **events) |
| 426 | { |
| 427 | return -ENOSYS; |
| 428 | } |
| 429 | static inline |
| 430 | int ust_app_list_event_fields(struct lttng_event_field **fields) |
| 431 | { |
| 432 | return -ENOSYS; |
| 433 | } |
| 434 | static inline |
| 435 | int ust_app_register(struct ust_register_msg *msg, int sock) |
| 436 | { |
| 437 | return -ENOSYS; |
| 438 | } |
| 439 | static inline |
| 440 | int ust_app_register_done(struct ust_app *app) |
| 441 | { |
| 442 | return -ENOSYS; |
| 443 | } |
| 444 | static inline |
| 445 | int ust_app_version(struct ust_app *app) |
| 446 | { |
| 447 | return -ENOSYS; |
| 448 | } |
| 449 | static inline |
| 450 | void ust_app_unregister(int sock) |
| 451 | { |
| 452 | } |
| 453 | static inline |
| 454 | void ust_app_lock_list(void) |
| 455 | { |
| 456 | } |
| 457 | static inline |
| 458 | void ust_app_unlock_list(void) |
| 459 | { |
| 460 | } |
| 461 | static inline |
| 462 | void ust_app_clean_list(void) |
| 463 | { |
| 464 | } |
| 465 | static inline |
| 466 | struct ust_app_list *ust_app_get_list(void) |
| 467 | { |
| 468 | return NULL; |
| 469 | } |
| 470 | static inline |
| 471 | struct ust_app *ust_app_get_by_pid(pid_t pid) |
| 472 | { |
| 473 | return NULL; |
| 474 | } |
| 475 | static inline |
| 476 | int ust_app_ht_alloc(void) |
| 477 | { |
| 478 | return 0; |
| 479 | } |
| 480 | static inline |
| 481 | void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app) |
| 482 | {} |
| 483 | static inline |
| 484 | void ust_app_global_update_event_notifier_rules(struct ust_app *app) |
| 485 | {} |
| 486 | static inline |
| 487 | void ust_app_global_update_all_event_notifier_rules(void) |
| 488 | {} |
| 489 | static inline |
| 490 | int ust_app_setup_event_notifier_group(struct ust_app *app) |
| 491 | { |
| 492 | return 0; |
| 493 | } |
| 494 | static inline |
| 495 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
| 496 | struct ltt_ust_channel *uchan) |
| 497 | { |
| 498 | return 0; |
| 499 | } |
| 500 | static inline |
| 501 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
| 502 | struct ltt_ust_channel *uchan) |
| 503 | { |
| 504 | return 0; |
| 505 | } |
| 506 | static inline |
| 507 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
| 508 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
| 509 | { |
| 510 | return 0; |
| 511 | } |
| 512 | static inline |
| 513 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
| 514 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
| 515 | { |
| 516 | return 0; |
| 517 | } |
| 518 | static inline |
| 519 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
| 520 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
| 521 | { |
| 522 | return 0; |
| 523 | } |
| 524 | static inline |
| 525 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
| 526 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx) |
| 527 | { |
| 528 | return 0; |
| 529 | } |
| 530 | static inline |
| 531 | int ust_app_enable_event_pid(struct ltt_ust_session *usess, |
| 532 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, |
| 533 | pid_t pid) |
| 534 | { |
| 535 | return 0; |
| 536 | } |
| 537 | static inline |
| 538 | int ust_app_recv_registration(int sock, struct ust_register_msg *msg) |
| 539 | { |
| 540 | return 0; |
| 541 | } |
| 542 | static inline |
| 543 | int ust_app_recv_notify(int sock) |
| 544 | { |
| 545 | return 0; |
| 546 | } |
| 547 | static inline |
| 548 | struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock) |
| 549 | { |
| 550 | return NULL; |
| 551 | } |
| 552 | static inline |
| 553 | void ust_app_add(struct ust_app *app) |
| 554 | { |
| 555 | } |
| 556 | static inline |
| 557 | void ust_app_notify_sock_unregister(int sock) |
| 558 | { |
| 559 | } |
| 560 | static inline |
| 561 | ssize_t ust_app_push_metadata(struct ust_registry_session *registry, |
| 562 | struct consumer_socket *socket, int send_zero_data) |
| 563 | { |
| 564 | return 0; |
| 565 | } |
| 566 | static inline |
| 567 | void ust_app_destroy(struct ust_app *app) |
| 568 | { |
| 569 | return; |
| 570 | } |
| 571 | static inline |
| 572 | enum lttng_error_code ust_app_snapshot_record(struct ltt_ust_session *usess, |
| 573 | const struct consumer_output *output, int wait, uint64_t max_stream_size) |
| 574 | { |
| 575 | return 0; |
| 576 | } |
| 577 | static inline |
| 578 | unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess) |
| 579 | { |
| 580 | return 0; |
| 581 | } |
| 582 | |
| 583 | static inline |
| 584 | int ust_app_supported(void) |
| 585 | { |
| 586 | return 0; |
| 587 | } |
| 588 | static inline |
| 589 | struct ust_app *ust_app_find_by_sock(int sock) |
| 590 | { |
| 591 | return NULL; |
| 592 | } |
| 593 | static inline |
| 594 | struct ust_app *ust_app_find_by_pid(pid_t pid) |
| 595 | { |
| 596 | return NULL; |
| 597 | } |
| 598 | static inline |
| 599 | uint64_t ust_app_get_size_one_more_packet_per_stream( |
| 600 | const struct ltt_ust_session *usess, uint64_t cur_nr_packets) { |
| 601 | return 0; |
| 602 | } |
| 603 | static inline |
| 604 | int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id, |
| 605 | struct cds_list_head *buffer_reg_uid_list, |
| 606 | struct consumer_output *consumer, int overwrite, |
| 607 | uint64_t uchan_id, uint64_t *discarded, uint64_t *lost) |
| 608 | { |
| 609 | return 0; |
| 610 | } |
| 611 | |
| 612 | static inline |
| 613 | int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess, |
| 614 | struct ltt_ust_channel *uchan, |
| 615 | struct consumer_output *consumer, |
| 616 | int overwrite, uint64_t *discarded, uint64_t *lost) |
| 617 | { |
| 618 | return 0; |
| 619 | } |
| 620 | |
| 621 | static inline |
| 622 | int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess) |
| 623 | { |
| 624 | return 0; |
| 625 | } |
| 626 | |
| 627 | static inline |
| 628 | enum lttng_error_code ust_app_rotate_session(struct ltt_session *session) |
| 629 | { |
| 630 | return 0; |
| 631 | } |
| 632 | |
| 633 | static inline |
| 634 | enum lttng_error_code ust_app_create_channel_subdirectories( |
| 635 | const struct ltt_ust_session *session) |
| 636 | { |
| 637 | return 0; |
| 638 | } |
| 639 | |
| 640 | static inline |
| 641 | int ust_app_release_object(struct ust_app *app, struct lttng_ust_object_data *data) |
| 642 | { |
| 643 | return 0; |
| 644 | } |
| 645 | |
| 646 | static inline |
| 647 | enum lttng_error_code ust_app_clear_session(struct ltt_session *session) |
| 648 | { |
| 649 | return 0; |
| 650 | } |
| 651 | |
| 652 | static inline |
| 653 | enum lttng_error_code ust_app_open_packets(struct ltt_session *session) |
| 654 | { |
| 655 | return 0; |
| 656 | } |
| 657 | |
| 658 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
| 659 | |
| 660 | #endif /* _LTT_UST_APP_H */ |