Commit | Line | Data |
---|---|---|
3bd1e081 MD |
1 | /* |
2 | * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca> | |
00e2e675 DG |
3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
4 | * 2012 - David Goulet <dgoulet@efficios.com> | |
3bd1e081 | 5 | * |
d14d33bf AM |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License, version 2 only, | |
8 | * as published by the Free Software Foundation. | |
3bd1e081 | 9 | * |
d14d33bf AM |
10 | * This program is distributed in the hope that it will be useful, but WITHOUT |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
3bd1e081 | 14 | * |
d14d33bf AM |
15 | * You should have received a copy of the GNU General Public License along |
16 | * with this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
3bd1e081 MD |
18 | */ |
19 | ||
f02e1e8a DG |
20 | #ifndef LIB_CONSUMER_H |
21 | #define LIB_CONSUMER_H | |
3bd1e081 MD |
22 | |
23 | #include <limits.h> | |
24 | #include <poll.h> | |
6df2e2c9 | 25 | #include <unistd.h> |
ffe60014 | 26 | #include <urcu/list.h> |
e4421fec | 27 | |
3bd1e081 | 28 | #include <lttng/lttng.h> |
10a8a223 | 29 | |
b9182dd9 DG |
30 | #include <common/hashtable/hashtable.h> |
31 | #include <common/compat/fcntl.h> | |
ffe60014 | 32 | #include <common/compat/uuid.h> |
00e2e675 | 33 | #include <common/sessiond-comm/sessiond-comm.h> |
3bd1e081 | 34 | |
3bd1e081 MD |
35 | /* Commands for consumer */ |
36 | enum lttng_consumer_command { | |
37 | LTTNG_CONSUMER_ADD_CHANNEL, | |
38 | LTTNG_CONSUMER_ADD_STREAM, | |
39 | /* pause, delete, active depending on fd state */ | |
40 | LTTNG_CONSUMER_UPDATE_STREAM, | |
41 | /* inform the consumer to quit when all fd has hang up */ | |
42 | LTTNG_CONSUMER_STOP, | |
00e2e675 | 43 | LTTNG_CONSUMER_ADD_RELAYD_SOCKET, |
173af62f DG |
44 | /* Inform the consumer to kill a specific relayd connection */ |
45 | LTTNG_CONSUMER_DESTROY_RELAYD, | |
53632229 | 46 | /* Return to the sessiond if there is data pending for a session */ |
6d805429 | 47 | LTTNG_CONSUMER_DATA_PENDING, |
ffe60014 DG |
48 | /* Consumer creates a channel and returns it to sessiond. */ |
49 | LTTNG_CONSUMER_ASK_CHANNEL_CREATION, | |
50 | LTTNG_CONSUMER_GET_CHANNEL, | |
51 | LTTNG_CONSUMER_DESTROY_CHANNEL, | |
3bd1e081 MD |
52 | }; |
53 | ||
54 | /* State of each fd in consumer */ | |
55 | enum lttng_consumer_stream_state { | |
56 | LTTNG_CONSUMER_ACTIVE_STREAM, | |
57 | LTTNG_CONSUMER_PAUSE_STREAM, | |
58 | LTTNG_CONSUMER_DELETE_STREAM, | |
59 | }; | |
60 | ||
3bd1e081 MD |
61 | enum lttng_consumer_type { |
62 | LTTNG_CONSUMER_UNKNOWN = 0, | |
63 | LTTNG_CONSUMER_KERNEL, | |
7753dea8 MD |
64 | LTTNG_CONSUMER64_UST, |
65 | LTTNG_CONSUMER32_UST, | |
3bd1e081 MD |
66 | }; |
67 | ||
8994307f DG |
68 | enum consumer_endpoint_status { |
69 | CONSUMER_ENDPOINT_ACTIVE, | |
70 | CONSUMER_ENDPOINT_INACTIVE, | |
71 | }; | |
72 | ||
ffe60014 DG |
73 | enum consumer_channel_output { |
74 | CONSUMER_CHANNEL_MMAP = 0, | |
75 | CONSUMER_CHANNEL_SPLICE = 1, | |
76 | }; | |
77 | ||
78 | enum consumer_channel_type { | |
79 | CONSUMER_CHANNEL_TYPE_METADATA = 0, | |
80 | CONSUMER_CHANNEL_TYPE_DATA = 1, | |
81 | }; | |
82 | ||
83 | struct stream_list { | |
84 | struct cds_list_head head; | |
85 | unsigned int count; | |
86 | }; | |
87 | ||
3bd1e081 | 88 | struct lttng_consumer_channel { |
ffe60014 | 89 | /* HT node used for consumer_data.channel_ht */ |
e4421fec | 90 | struct lttng_ht_node_ulong node; |
ffe60014 | 91 | /* Indexed key. Incremented value in the consumer. */ |
3bd1e081 | 92 | int key; |
ffe60014 DG |
93 | /* Number of streams referencing this channel */ |
94 | int refcount; | |
95 | /* Tracing session id on the session daemon side. */ | |
96 | uint64_t session_id; | |
97 | /* Channel trace file path name. */ | |
98 | char pathname[PATH_MAX]; | |
99 | /* Channel name. */ | |
100 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
101 | /* UID and GID of the channel. */ | |
102 | uid_t uid; | |
103 | gid_t gid; | |
104 | /* Relayd id of the channel. -1 if it does not apply. */ | |
105 | int relayd_id; | |
c30aaa51 | 106 | /* |
ffe60014 DG |
107 | * Number of streams NOT initialized yet. This is used in order to not |
108 | * delete this channel if streams are getting initialized. | |
c30aaa51 | 109 | */ |
ffe60014 DG |
110 | unsigned int nb_init_stream_left; |
111 | /* Output type (mmap or splice). */ | |
112 | enum consumer_channel_output output; | |
113 | /* Channel type for stream */ | |
114 | enum consumer_channel_type type; | |
c30aaa51 | 115 | |
3bd1e081 | 116 | /* For UST */ |
ffe60014 DG |
117 | struct ustctl_consumer_channel *uchan; |
118 | unsigned char uuid[UUID_STR_LEN]; | |
119 | /* | |
120 | * Temporary stream list used to store the streams once created and waiting | |
121 | * to be sent to the session daemon by receiving the | |
122 | * LTTNG_CONSUMER_GET_CHANNEL. | |
123 | */ | |
124 | struct stream_list streams; | |
3bd1e081 MD |
125 | }; |
126 | ||
3bd1e081 MD |
127 | /* |
128 | * Internal representation of the streams, sessiond_key is used to identify | |
129 | * uniquely a stream. | |
130 | */ | |
131 | struct lttng_consumer_stream { | |
53632229 | 132 | /* HT node used by the data_ht and metadata_ht */ |
e4421fec | 133 | struct lttng_ht_node_ulong node; |
53632229 DG |
134 | /* HT node used in consumer_data.stream_list_ht */ |
135 | struct lttng_ht_node_ulong node_session_id; | |
ffe60014 DG |
136 | /* Pointer to associated channel. */ |
137 | struct lttng_consumer_channel *chan; | |
138 | ||
139 | /* Key by which the stream is indexed for 'node'. */ | |
140 | int key; | |
3bd1e081 | 141 | /* |
ffe60014 DG |
142 | * File descriptor of the data output file. This can be either a file or a |
143 | * socket fd for relayd streaming. | |
3bd1e081 | 144 | */ |
3bd1e081 | 145 | int out_fd; /* output file to write the data */ |
ffe60014 DG |
146 | /* Write position in the output file descriptor */ |
147 | off_t out_fd_offset; | |
3bd1e081 | 148 | enum lttng_consumer_stream_state state; |
b5c5fc29 | 149 | int shm_fd_is_copy; |
4078b776 | 150 | int data_read; |
d056b477 | 151 | int hangup_flush_done; |
ffe60014 DG |
152 | enum lttng_event_output output; |
153 | /* Maximum subbuffer size. */ | |
154 | unsigned long max_sb_size; | |
155 | ||
156 | /* | |
157 | * Still used by the kernel for MMAP output. For UST, the ustctl getter is | |
158 | * used for the mmap base and offset. | |
159 | */ | |
160 | void *mmap_base; | |
161 | unsigned long mmap_len; | |
162 | ||
163 | /* For UST */ | |
164 | ||
165 | int wait_fd; | |
6df2e2c9 MD |
166 | /* UID/GID of the user owning the session to which stream belongs */ |
167 | uid_t uid; | |
168 | gid_t gid; | |
00e2e675 DG |
169 | /* Network sequence number. Indicating on which relayd socket it goes. */ |
170 | int net_seq_idx; | |
171 | /* Identify if the stream is the metadata */ | |
172 | unsigned int metadata_flag; | |
173 | /* Used when the stream is set for network streaming */ | |
174 | uint64_t relayd_stream_id; | |
3604f373 DG |
175 | /* |
176 | * When sending a stream packet to a relayd, this number is used to track | |
177 | * the packet sent by the consumer and seen by the relayd. When sending the | |
178 | * data header to the relayd, this number is sent and if the transmission | |
179 | * was successful, it is incremented. | |
180 | * | |
181 | * Even if the full data is not fully transmitted it won't matter since | |
182 | * only two possible error can happen after that where either the relayd | |
183 | * died or a read error is detected on the stream making this value useless | |
184 | * after that. | |
185 | * | |
186 | * This value SHOULD be read/updated atomically or with the lock acquired. | |
187 | */ | |
173af62f | 188 | uint64_t next_net_seq_num; |
63281d5d | 189 | /* |
74251bb8 DG |
190 | * Lock to use the stream FDs since they are used between threads. |
191 | * | |
192 | * This is nested INSIDE the consumer_data lock. | |
193 | * This is nested OUTSIDE consumer_relayd_sock_pair lock. | |
63281d5d | 194 | */ |
53632229 DG |
195 | pthread_mutex_t lock; |
196 | /* Tracing session id */ | |
197 | uint64_t session_id; | |
8994307f DG |
198 | /* |
199 | * Indicates if the stream end point is still active or not (network | |
200 | * streaming or local file system). The thread "owning" the stream is | |
201 | * handling this status and can be notified of a state change through the | |
202 | * consumer data appropriate pipe. | |
203 | */ | |
204 | enum consumer_endpoint_status endpoint_status; | |
ffe60014 DG |
205 | /* Stream name. Format is: <channel_name>_<cpu_number> */ |
206 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
207 | /* Internal state of libustctl. */ | |
208 | struct ustctl_consumer_stream *ustream; | |
209 | struct cds_list_head send_node; | |
00e2e675 DG |
210 | }; |
211 | ||
212 | /* | |
213 | * Internal representation of a relayd socket pair. | |
214 | */ | |
215 | struct consumer_relayd_sock_pair { | |
216 | /* Network sequence number. */ | |
217 | int net_seq_idx; | |
218 | /* Number of stream associated with this relayd */ | |
219 | unsigned int refcount; | |
173af62f DG |
220 | |
221 | /* | |
222 | * This flag indicates whether or not we should destroy this object. The | |
223 | * destruction should ONLY occurs when this flag is set and the refcount is | |
224 | * set to zero. | |
225 | */ | |
226 | unsigned int destroy_flag; | |
227 | ||
51d7db73 DG |
228 | /* |
229 | * Mutex protecting the control socket to avoid out of order packets | |
230 | * between threads sending data to the relayd. Since metadata data is sent | |
231 | * over that socket, at least two sendmsg() are needed (header + data) | |
232 | * creating a race for packets to overlap between threads using it. | |
74251bb8 DG |
233 | * |
234 | * This is nested INSIDE the consumer_data lock. | |
235 | * This is nested INSIDE the stream lock. | |
51d7db73 | 236 | */ |
00e2e675 | 237 | pthread_mutex_t ctrl_sock_mutex; |
51d7db73 DG |
238 | |
239 | /* Control socket. Command and metadata are passed over it */ | |
00e2e675 | 240 | struct lttcomm_sock control_sock; |
51d7db73 DG |
241 | |
242 | /* | |
243 | * We don't need a mutex at this point since we only splice or write single | |
244 | * large chunk of data with a header appended at the begining. Moreover, | |
245 | * this socket is for now only used in a single thread. | |
246 | */ | |
00e2e675 DG |
247 | struct lttcomm_sock data_sock; |
248 | struct lttng_ht_node_ulong node; | |
c5b6f4f0 | 249 | |
f7079f67 DG |
250 | /* Session id on both sides for the sockets. */ |
251 | uint64_t relayd_session_id; | |
252 | uint64_t sessiond_session_id; | |
3bd1e081 MD |
253 | }; |
254 | ||
255 | /* | |
256 | * UST consumer local data to the program. One or more instance per | |
257 | * process. | |
258 | */ | |
259 | struct lttng_consumer_local_data { | |
4078b776 MD |
260 | /* |
261 | * Function to call when data is available on a buffer. | |
262 | * Returns the number of bytes read, or negative error value. | |
263 | */ | |
264 | ssize_t (*on_buffer_ready)(struct lttng_consumer_stream *stream, | |
d41f73b7 | 265 | struct lttng_consumer_local_data *ctx); |
3bd1e081 MD |
266 | /* |
267 | * function to call when we receive a new channel, it receives a | |
268 | * newly allocated channel, depending on the return code of this | |
269 | * function, the new channel will be handled by the application | |
270 | * or the library. | |
271 | * | |
272 | * Returns: | |
273 | * > 0 (success, FD is kept by application) | |
274 | * == 0 (success, FD is left to library) | |
275 | * < 0 (error) | |
276 | */ | |
277 | int (*on_recv_channel)(struct lttng_consumer_channel *channel); | |
278 | /* | |
279 | * function to call when we receive a new stream, it receives a | |
280 | * newly allocated stream, depending on the return code of this | |
281 | * function, the new stream will be handled by the application | |
282 | * or the library. | |
283 | * | |
284 | * Returns: | |
285 | * > 0 (success, FD is kept by application) | |
286 | * == 0 (success, FD is left to library) | |
287 | * < 0 (error) | |
288 | */ | |
289 | int (*on_recv_stream)(struct lttng_consumer_stream *stream); | |
290 | /* | |
291 | * function to call when a stream is getting updated by the session | |
292 | * daemon, this function receives the sessiond key and the new | |
293 | * state, depending on the return code of this function the | |
294 | * update of state for the stream is handled by the application | |
295 | * or the library. | |
296 | * | |
297 | * Returns: | |
298 | * > 0 (success, FD is kept by application) | |
299 | * == 0 (success, FD is left to library) | |
300 | * < 0 (error) | |
301 | */ | |
302 | int (*on_update_stream)(int sessiond_key, uint32_t state); | |
303 | /* socket to communicate errors with sessiond */ | |
304 | int consumer_error_socket; | |
305 | /* socket to exchange commands with sessiond */ | |
306 | char *consumer_command_sock_path; | |
307 | /* communication with splice */ | |
308 | int consumer_thread_pipe[2]; | |
fb3a43a9 | 309 | int consumer_splice_metadata_pipe[2]; |
50f8ae69 DG |
310 | /* Data stream poll thread pipe. To transfer data stream to the thread */ |
311 | int consumer_data_pipe[2]; | |
3bd1e081 MD |
312 | /* to let the signal handler wake up the fd receiver thread */ |
313 | int consumer_should_quit[2]; | |
fb3a43a9 DG |
314 | /* Metadata poll thread pipe. Transfer metadata stream to it */ |
315 | int consumer_metadata_pipe[2]; | |
3bd1e081 MD |
316 | }; |
317 | ||
318 | /* | |
319 | * Library-level data. One instance per process. | |
320 | */ | |
321 | struct lttng_consumer_global_data { | |
322 | /* | |
e4421fec DG |
323 | * At this time, this lock is used to ensure coherence between the count |
324 | * and number of element in the hash table. It's also a protection for | |
6065ceec DG |
325 | * concurrent read/write between threads. |
326 | * | |
74251bb8 DG |
327 | * This is nested OUTSIDE the stream lock. |
328 | * This is nested OUTSIDE the consumer_relayd_sock_pair lock. | |
3bd1e081 MD |
329 | */ |
330 | pthread_mutex_t lock; | |
e4421fec | 331 | |
3bd1e081 | 332 | /* |
3cc2f24a DG |
333 | * Number of streams in the data stream hash table declared outside. |
334 | * Protected by consumer_data.lock. | |
3bd1e081 MD |
335 | */ |
336 | int stream_count; | |
3cc2f24a DG |
337 | |
338 | /* Channel hash table protected by consumer_data.lock. */ | |
e4421fec | 339 | struct lttng_ht *channel_ht; |
3bd1e081 MD |
340 | /* |
341 | * Flag specifying if the local array of FDs needs update in the | |
342 | * poll function. Protected by consumer_data.lock. | |
343 | */ | |
344 | unsigned int need_update; | |
345 | enum lttng_consumer_type type; | |
00e2e675 DG |
346 | |
347 | /* | |
348 | * Relayd socket(s) hashtable indexed by network sequence number. Each | |
349 | * stream has an index which associate the right relayd socket to use. | |
350 | */ | |
351 | struct lttng_ht *relayd_ht; | |
53632229 DG |
352 | |
353 | /* | |
354 | * This hash table contains all streams (metadata and data) indexed by | |
355 | * session id. In other words, the ht is indexed by session id and each | |
356 | * bucket contains the list of associated streams. | |
357 | * | |
358 | * This HT uses the "node_session_id" of the consumer stream. | |
359 | */ | |
360 | struct lttng_ht *stream_list_ht; | |
3bd1e081 MD |
361 | }; |
362 | ||
e4421fec DG |
363 | /* |
364 | * Init consumer data structures. | |
365 | */ | |
ffe60014 | 366 | void lttng_consumer_init(void); |
e4421fec | 367 | |
3bd1e081 MD |
368 | /* |
369 | * Set the error socket for communication with a session daemon. | |
370 | */ | |
ffe60014 DG |
371 | void lttng_consumer_set_error_sock(struct lttng_consumer_local_data *ctx, |
372 | int sock); | |
3bd1e081 MD |
373 | |
374 | /* | |
375 | * Set the command socket path for communication with a session daemon. | |
376 | */ | |
ffe60014 | 377 | void lttng_consumer_set_command_sock_path( |
3bd1e081 MD |
378 | struct lttng_consumer_local_data *ctx, char *sock); |
379 | ||
380 | /* | |
381 | * Send return code to session daemon. | |
382 | * | |
383 | * Returns the return code of sendmsg : the number of bytes transmitted or -1 | |
384 | * on error. | |
385 | */ | |
ffe60014 | 386 | int lttng_consumer_send_error(struct lttng_consumer_local_data *ctx, int cmd); |
3bd1e081 MD |
387 | |
388 | /* | |
389 | * Called from signal handler to ensure a clean exit. | |
390 | */ | |
ffe60014 | 391 | void lttng_consumer_should_exit(struct lttng_consumer_local_data *ctx); |
3bd1e081 MD |
392 | |
393 | /* | |
394 | * Cleanup the daemon's socket on exit. | |
395 | */ | |
ffe60014 | 396 | void lttng_consumer_cleanup(void); |
3bd1e081 MD |
397 | |
398 | /* | |
399 | * Flush pending writes to trace output disk file. | |
400 | */ | |
ffe60014 DG |
401 | void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream, |
402 | off_t orig_offset); | |
3bd1e081 MD |
403 | |
404 | /* | |
405 | * Poll on the should_quit pipe and the command socket return -1 on error and | |
406 | * should exit, 0 if data is available on the command socket | |
407 | */ | |
ffe60014 | 408 | int lttng_consumer_poll_socket(struct pollfd *kconsumer_sockpoll); |
3bd1e081 | 409 | |
ffe60014 DG |
410 | struct lttng_consumer_stream *consumer_allocate_stream(int channel_key, |
411 | int stream_key, | |
3bd1e081 | 412 | enum lttng_consumer_stream_state state, |
ffe60014 | 413 | const char *channel_name, |
6df2e2c9 | 414 | uid_t uid, |
00e2e675 | 415 | gid_t gid, |
ffe60014 | 416 | int relayd_id, |
53632229 | 417 | uint64_t session_id, |
ffe60014 DG |
418 | int cpu, |
419 | int *alloc_ret, | |
420 | enum consumer_channel_type type); | |
421 | struct lttng_consumer_channel *consumer_allocate_channel(unsigned long key, | |
422 | uint64_t session_id, | |
423 | const char *pathname, | |
424 | const char *name, | |
425 | uid_t uid, | |
426 | gid_t gid, | |
427 | int relayd_id, | |
428 | enum lttng_event_output output); | |
429 | void consumer_del_stream(struct lttng_consumer_stream *stream, | |
e316aad5 | 430 | struct lttng_ht *ht); |
ffe60014 | 431 | void consumer_del_metadata_stream(struct lttng_consumer_stream *stream, |
e316aad5 | 432 | struct lttng_ht *ht); |
3bd1e081 | 433 | int consumer_add_channel(struct lttng_consumer_channel *channel); |
ffe60014 | 434 | void consumer_del_channel(struct lttng_consumer_channel *channel); |
3bd1e081 | 435 | |
00e2e675 | 436 | /* lttng-relayd consumer command */ |
00e2e675 DG |
437 | struct consumer_relayd_sock_pair *consumer_allocate_relayd_sock_pair( |
438 | int net_seq_idx); | |
439 | struct consumer_relayd_sock_pair *consumer_find_relayd(int key); | |
ffe60014 | 440 | struct lttng_consumer_channel *consumer_find_channel(unsigned long key); |
00e2e675 DG |
441 | int consumer_handle_stream_before_relayd(struct lttng_consumer_stream *stream, |
442 | size_t data_size); | |
c869f647 | 443 | void consumer_steal_stream_key(int key, struct lttng_ht *ht); |
00e2e675 | 444 | |
ffe60014 | 445 | struct lttng_consumer_local_data *lttng_consumer_create( |
3bd1e081 | 446 | enum lttng_consumer_type type, |
4078b776 | 447 | ssize_t (*buffer_ready)(struct lttng_consumer_stream *stream, |
d41f73b7 | 448 | struct lttng_consumer_local_data *ctx), |
3bd1e081 MD |
449 | int (*recv_channel)(struct lttng_consumer_channel *channel), |
450 | int (*recv_stream)(struct lttng_consumer_stream *stream), | |
451 | int (*update_stream)(int sessiond_key, uint32_t state)); | |
ffe60014 DG |
452 | void lttng_consumer_destroy(struct lttng_consumer_local_data *ctx); |
453 | ssize_t lttng_consumer_on_read_subbuffer_mmap( | |
3bd1e081 | 454 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
455 | struct lttng_consumer_stream *stream, unsigned long len, |
456 | unsigned long padding); | |
ffe60014 | 457 | ssize_t lttng_consumer_on_read_subbuffer_splice( |
3bd1e081 | 458 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
459 | struct lttng_consumer_stream *stream, unsigned long len, |
460 | unsigned long padding); | |
ffe60014 DG |
461 | int lttng_consumer_take_snapshot(struct lttng_consumer_stream *stream); |
462 | int lttng_consumer_get_produced_snapshot(struct lttng_consumer_stream *stream, | |
3bd1e081 | 463 | unsigned long *pos); |
ffe60014 DG |
464 | void *consumer_thread_metadata_poll(void *data); |
465 | void *consumer_thread_data_poll(void *data); | |
466 | void *consumer_thread_sessiond_poll(void *data); | |
467 | int lttng_consumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
3bd1e081 MD |
468 | int sock, struct pollfd *consumer_sockpoll); |
469 | ||
4078b776 | 470 | ssize_t lttng_consumer_read_subbuffer(struct lttng_consumer_stream *stream, |
d41f73b7 MD |
471 | struct lttng_consumer_local_data *ctx); |
472 | int lttng_consumer_on_recv_stream(struct lttng_consumer_stream *stream); | |
7735ef9e DG |
473 | int consumer_add_relayd_socket(int net_seq_idx, int sock_type, |
474 | struct lttng_consumer_local_data *ctx, int sock, | |
46e6455f DG |
475 | struct pollfd *consumer_sockpoll, struct lttcomm_sock *relayd_sock, |
476 | unsigned int sessiond_id); | |
a6ba4fe1 DG |
477 | void consumer_flag_relayd_for_destroy( |
478 | struct consumer_relayd_sock_pair *relayd); | |
6d805429 | 479 | int consumer_data_pending(uint64_t id); |
f50f23d9 | 480 | int consumer_send_status_msg(int sock, int ret_code); |
ffe60014 DG |
481 | int consumer_send_status_channel(int sock, |
482 | struct lttng_consumer_channel *channel); | |
d41f73b7 | 483 | |
f02e1e8a | 484 | #endif /* LIB_CONSUMER_H */ |