Send extended channel payload to client
[lttng-tools.git] / src / bin / lttng-sessiond / consumer.c
CommitLineData
00e2e675
DG
1/*
2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License, version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 51
15 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
6c1c0768 18#define _LGPL_SOURCE
00e2e675
DG
19#include <assert.h>
20#include <stdio.h>
21#include <stdlib.h>
22#include <string.h>
23#include <sys/stat.h>
24#include <sys/types.h>
25#include <unistd.h>
d88aee68 26#include <inttypes.h>
00e2e675
DG
27
28#include <common/common.h>
29#include <common/defaults.h>
30#include <common/uri.h>
d3e2ba59 31#include <common/relayd/relayd.h>
00e2e675
DG
32
33#include "consumer.h"
8782cc74 34#include "health-sessiond.h"
7972aab2 35#include "ust-app.h"
0b2dc8df 36#include "utils.h"
00e2e675 37
52898cb1
DG
38/*
39 * Send a data payload using a given consumer socket of size len.
40 *
41 * The consumer socket lock MUST be acquired before calling this since this
42 * function can change the fd value.
43 *
44 * Return 0 on success else a negative value on error.
45 */
46int consumer_socket_send(struct consumer_socket *socket, void *msg, size_t len)
47{
48 int fd;
49 ssize_t size;
50
51 assert(socket);
9363801e 52 assert(socket->fd_ptr);
52898cb1
DG
53 assert(msg);
54
55 /* Consumer socket is invalid. Stopping. */
9363801e 56 fd = *socket->fd_ptr;
52898cb1
DG
57 if (fd < 0) {
58 goto error;
59 }
60
61 size = lttcomm_send_unix_sock(fd, msg, len);
62 if (size < 0) {
63 /* The above call will print a PERROR on error. */
64 DBG("Error when sending data to consumer on sock %d", fd);
65 /*
92db7cdc
DG
66 * At this point, the socket is not usable anymore thus closing it and
67 * setting the file descriptor to -1 so it is not reused.
52898cb1
DG
68 */
69
70 /* This call will PERROR on error. */
71 (void) lttcomm_close_unix_sock(fd);
9363801e 72 *socket->fd_ptr = -1;
52898cb1
DG
73 goto error;
74 }
75
76 return 0;
77
78error:
79 return -1;
80}
81
82/*
83 * Receive a data payload using a given consumer socket of size len.
84 *
85 * The consumer socket lock MUST be acquired before calling this since this
86 * function can change the fd value.
87 *
88 * Return 0 on success else a negative value on error.
89 */
90int consumer_socket_recv(struct consumer_socket *socket, void *msg, size_t len)
91{
92 int fd;
93 ssize_t size;
94
95 assert(socket);
9363801e 96 assert(socket->fd_ptr);
52898cb1
DG
97 assert(msg);
98
99 /* Consumer socket is invalid. Stopping. */
9363801e 100 fd = *socket->fd_ptr;
52898cb1
DG
101 if (fd < 0) {
102 goto error;
103 }
104
105 size = lttcomm_recv_unix_sock(fd, msg, len);
106 if (size <= 0) {
107 /* The above call will print a PERROR on error. */
108 DBG("Error when receiving data from the consumer socket %d", fd);
109 /*
92db7cdc
DG
110 * At this point, the socket is not usable anymore thus closing it and
111 * setting the file descriptor to -1 so it is not reused.
52898cb1
DG
112 */
113
114 /* This call will PERROR on error. */
115 (void) lttcomm_close_unix_sock(fd);
9363801e 116 *socket->fd_ptr = -1;
52898cb1
DG
117 goto error;
118 }
119
120 return 0;
121
122error:
123 return -1;
124}
125
f50f23d9
DG
126/*
127 * Receive a reply command status message from the consumer. Consumer socket
128 * lock MUST be acquired before calling this function.
129 *
130 * Return 0 on success, -1 on recv error or a negative lttng error code which
131 * was possibly returned by the consumer.
132 */
133int consumer_recv_status_reply(struct consumer_socket *sock)
134{
135 int ret;
136 struct lttcomm_consumer_status_msg reply;
137
138 assert(sock);
139
52898cb1
DG
140 ret = consumer_socket_recv(sock, &reply, sizeof(reply));
141 if (ret < 0) {
f50f23d9
DG
142 goto end;
143 }
144
0c759fc9 145 if (reply.ret_code == LTTCOMM_CONSUMERD_SUCCESS) {
f50f23d9
DG
146 /* All good. */
147 ret = 0;
148 } else {
149 ret = -reply.ret_code;
ffe60014 150 DBG("Consumer ret code %d", ret);
f50f23d9
DG
151 }
152
153end:
154 return ret;
155}
156
ffe60014
DG
157/*
158 * Once the ASK_CHANNEL command is sent to the consumer, the channel
159 * information are sent back. This call receives that data and populates key
160 * and stream_count.
161 *
162 * On success return 0 and both key and stream_count are set. On error, a
163 * negative value is sent back and both parameters are untouched.
164 */
165int consumer_recv_status_channel(struct consumer_socket *sock,
d88aee68 166 uint64_t *key, unsigned int *stream_count)
ffe60014
DG
167{
168 int ret;
169 struct lttcomm_consumer_status_channel reply;
170
171 assert(sock);
172 assert(stream_count);
173 assert(key);
174
52898cb1
DG
175 ret = consumer_socket_recv(sock, &reply, sizeof(reply));
176 if (ret < 0) {
ffe60014
DG
177 goto end;
178 }
179
180 /* An error is possible so don't touch the key and stream_count. */
0c759fc9 181 if (reply.ret_code != LTTCOMM_CONSUMERD_SUCCESS) {
ffe60014
DG
182 ret = -1;
183 goto end;
184 }
185
186 *key = reply.key;
187 *stream_count = reply.stream_count;
0c759fc9 188 ret = 0;
ffe60014
DG
189
190end:
191 return ret;
192}
193
2f77fc4b
DG
194/*
195 * Send destroy relayd command to consumer.
196 *
197 * On success return positive value. On error, negative value.
198 */
199int consumer_send_destroy_relayd(struct consumer_socket *sock,
200 struct consumer_output *consumer)
201{
202 int ret;
203 struct lttcomm_consumer_msg msg;
204
205 assert(consumer);
206 assert(sock);
207
9363801e 208 DBG2("Sending destroy relayd command to consumer sock %d", *sock->fd_ptr);
2f77fc4b 209
53efb85a 210 memset(&msg, 0, sizeof(msg));
2f77fc4b
DG
211 msg.cmd_type = LTTNG_CONSUMER_DESTROY_RELAYD;
212 msg.u.destroy_relayd.net_seq_idx = consumer->net_seq_index;
213
214 pthread_mutex_lock(sock->lock);
52898cb1 215 ret = consumer_socket_send(sock, &msg, sizeof(msg));
2f77fc4b 216 if (ret < 0) {
52898cb1 217 goto error;
2f77fc4b
DG
218 }
219
f50f23d9
DG
220 /* Don't check the return value. The caller will do it. */
221 ret = consumer_recv_status_reply(sock);
222
2f77fc4b
DG
223 DBG2("Consumer send destroy relayd command done");
224
225error:
52898cb1 226 pthread_mutex_unlock(sock->lock);
2f77fc4b
DG
227 return ret;
228}
229
230/*
231 * For each consumer socket in the consumer output object, send a destroy
232 * relayd command.
233 */
234void consumer_output_send_destroy_relayd(struct consumer_output *consumer)
235{
2f77fc4b
DG
236 struct lttng_ht_iter iter;
237 struct consumer_socket *socket;
238
239 assert(consumer);
240
241 /* Destroy any relayd connection */
6dc3064a 242 if (consumer->type == CONSUMER_DST_NET) {
2f77fc4b
DG
243 rcu_read_lock();
244 cds_lfht_for_each_entry(consumer->socks->ht, &iter.iter, socket,
245 node.node) {
c617c0c6
MD
246 int ret;
247
2f77fc4b
DG
248 /* Send destroy relayd command */
249 ret = consumer_send_destroy_relayd(socket, consumer);
250 if (ret < 0) {
c5c45efa 251 DBG("Unable to send destroy relayd command to consumer");
2f77fc4b
DG
252 /* Continue since we MUST delete everything at this point. */
253 }
254 }
255 rcu_read_unlock();
256 }
257}
258
a4b92340
DG
259/*
260 * From a consumer_data structure, allocate and add a consumer socket to the
261 * consumer output.
262 *
263 * Return 0 on success, else negative value on error
264 */
265int consumer_create_socket(struct consumer_data *data,
266 struct consumer_output *output)
267{
268 int ret = 0;
269 struct consumer_socket *socket;
270
271 assert(data);
272
273 if (output == NULL || data->cmd_sock < 0) {
274 /*
275 * Not an error. Possible there is simply not spawned consumer or it's
276 * disabled for the tracing session asking the socket.
277 */
278 goto error;
279 }
280
281 rcu_read_lock();
282 socket = consumer_find_socket(data->cmd_sock, output);
283 rcu_read_unlock();
284 if (socket == NULL) {
4ce514c4 285 socket = consumer_allocate_socket(&data->cmd_sock);
a4b92340
DG
286 if (socket == NULL) {
287 ret = -1;
288 goto error;
289 }
290
2f77fc4b 291 socket->registered = 0;
a4b92340
DG
292 socket->lock = &data->lock;
293 rcu_read_lock();
294 consumer_add_socket(socket, output);
295 rcu_read_unlock();
296 }
297
6dc3064a
DG
298 socket->type = data->type;
299
a4b92340
DG
300 DBG3("Consumer socket created (fd: %d) and added to output",
301 data->cmd_sock);
302
303error:
304 return ret;
305}
306
7972aab2
DG
307/*
308 * Return the consumer socket from the given consumer output with the right
309 * bitness. On error, returns NULL.
310 *
311 * The caller MUST acquire a rcu read side lock and keep it until the socket
312 * object reference is not needed anymore.
313 */
314struct consumer_socket *consumer_find_socket_by_bitness(int bits,
315 struct consumer_output *consumer)
316{
317 int consumer_fd;
318 struct consumer_socket *socket = NULL;
319
320 switch (bits) {
321 case 64:
322 consumer_fd = uatomic_read(&ust_consumerd64_fd);
323 break;
324 case 32:
325 consumer_fd = uatomic_read(&ust_consumerd32_fd);
326 break;
327 default:
328 assert(0);
329 goto end;
330 }
331
332 socket = consumer_find_socket(consumer_fd, consumer);
333 if (!socket) {
334 ERR("Consumer socket fd %d not found in consumer obj %p",
335 consumer_fd, consumer);
336 }
337
338end:
339 return socket;
340}
341
173af62f
DG
342/*
343 * Find a consumer_socket in a consumer_output hashtable. Read side lock must
344 * be acquired before calling this function and across use of the
345 * returned consumer_socket.
346 */
347struct consumer_socket *consumer_find_socket(int key,
348 struct consumer_output *consumer)
349{
350 struct lttng_ht_iter iter;
351 struct lttng_ht_node_ulong *node;
352 struct consumer_socket *socket = NULL;
353
354 /* Negative keys are lookup failures */
a4b92340 355 if (key < 0 || consumer == NULL) {
173af62f
DG
356 return NULL;
357 }
358
359 lttng_ht_lookup(consumer->socks, (void *)((unsigned long) key),
360 &iter);
361 node = lttng_ht_iter_get_node_ulong(&iter);
362 if (node != NULL) {
363 socket = caa_container_of(node, struct consumer_socket, node);
364 }
365
366 return socket;
367}
368
369/*
370 * Allocate a new consumer_socket and return the pointer.
371 */
4ce514c4 372struct consumer_socket *consumer_allocate_socket(int *fd)
173af62f
DG
373{
374 struct consumer_socket *socket = NULL;
375
4ce514c4
DG
376 assert(fd);
377
173af62f
DG
378 socket = zmalloc(sizeof(struct consumer_socket));
379 if (socket == NULL) {
380 PERROR("zmalloc consumer socket");
381 goto error;
382 }
383
9363801e 384 socket->fd_ptr = fd;
4ce514c4 385 lttng_ht_node_init_ulong(&socket->node, *fd);
173af62f
DG
386
387error:
388 return socket;
389}
390
391/*
392 * Add consumer socket to consumer output object. Read side lock must be
393 * acquired before calling this function.
394 */
395void consumer_add_socket(struct consumer_socket *sock,
396 struct consumer_output *consumer)
397{
398 assert(sock);
399 assert(consumer);
400
401 lttng_ht_add_unique_ulong(consumer->socks, &sock->node);
402}
403
404/*
405 * Delte consumer socket to consumer output object. Read side lock must be
406 * acquired before calling this function.
407 */
408void consumer_del_socket(struct consumer_socket *sock,
409 struct consumer_output *consumer)
410{
411 int ret;
412 struct lttng_ht_iter iter;
413
414 assert(sock);
415 assert(consumer);
416
417 iter.iter.node = &sock->node.node;
418 ret = lttng_ht_del(consumer->socks, &iter);
419 assert(!ret);
420}
421
422/*
423 * RCU destroy call function.
424 */
425static void destroy_socket_rcu(struct rcu_head *head)
426{
427 struct lttng_ht_node_ulong *node =
428 caa_container_of(head, struct lttng_ht_node_ulong, head);
429 struct consumer_socket *socket =
430 caa_container_of(node, struct consumer_socket, node);
431
432 free(socket);
433}
434
435/*
436 * Destroy and free socket pointer in a call RCU. Read side lock must be
437 * acquired before calling this function.
438 */
439void consumer_destroy_socket(struct consumer_socket *sock)
440{
441 assert(sock);
442
443 /*
444 * We DO NOT close the file descriptor here since it is global to the
2f77fc4b
DG
445 * session daemon and is closed only if the consumer dies or a custom
446 * consumer was registered,
173af62f 447 */
2f77fc4b 448 if (sock->registered) {
9363801e
DG
449 DBG3("Consumer socket was registered. Closing fd %d", *sock->fd_ptr);
450 lttcomm_close_unix_sock(*sock->fd_ptr);
2f77fc4b 451 }
173af62f
DG
452
453 call_rcu(&sock->node.head, destroy_socket_rcu);
454}
455
00e2e675
DG
456/*
457 * Allocate and assign data to a consumer_output object.
458 *
459 * Return pointer to structure.
460 */
461struct consumer_output *consumer_create_output(enum consumer_dst_type type)
462{
463 struct consumer_output *output = NULL;
464
465 output = zmalloc(sizeof(struct consumer_output));
466 if (output == NULL) {
467 PERROR("zmalloc consumer_output");
468 goto error;
469 }
470
471 /* By default, consumer output is enabled */
472 output->enabled = 1;
473 output->type = type;
d88aee68 474 output->net_seq_index = (uint64_t) -1ULL;
6addfa37 475 urcu_ref_init(&output->ref);
173af62f
DG
476
477 output->socks = lttng_ht_new(0, LTTNG_HT_TYPE_ULONG);
00e2e675
DG
478
479error:
480 return output;
481}
482
af706bb7
DG
483/*
484 * Iterate over the consumer output socket hash table and destroy them. The
485 * socket file descriptor are only closed if the consumer output was
486 * registered meaning it's an external consumer.
487 */
488void consumer_destroy_output_sockets(struct consumer_output *obj)
489{
490 struct lttng_ht_iter iter;
491 struct consumer_socket *socket;
492
493 if (!obj->socks) {
494 return;
495 }
496
497 rcu_read_lock();
498 cds_lfht_for_each_entry(obj->socks->ht, &iter.iter, socket, node.node) {
499 consumer_del_socket(socket, obj);
500 consumer_destroy_socket(socket);
501 }
502 rcu_read_unlock();
503}
504
00e2e675
DG
505/*
506 * Delete the consumer_output object from the list and free the ptr.
36b588ed
MD
507 *
508 * Should *NOT* be called with RCU read-side lock held.
00e2e675 509 */
6addfa37 510static void consumer_release_output(struct urcu_ref *ref)
00e2e675 511{
6addfa37
MD
512 struct consumer_output *obj =
513 caa_container_of(ref, struct consumer_output, ref);
00e2e675 514
af706bb7 515 consumer_destroy_output_sockets(obj);
2f77fc4b 516
af706bb7 517 if (obj->socks) {
2f77fc4b 518 /* Finally destroy HT */
0b2dc8df 519 ht_cleanup_push(obj->socks);
00e2e675 520 }
173af62f 521
00e2e675
DG
522 free(obj);
523}
524
6addfa37
MD
525/*
526 * Get the consumer_output object.
527 */
528void consumer_output_get(struct consumer_output *obj)
529{
530 urcu_ref_get(&obj->ref);
531}
532
533/*
534 * Put the consumer_output object.
535 *
536 * Should *NOT* be called with RCU read-side lock held.
537 */
538void consumer_output_put(struct consumer_output *obj)
539{
540 if (!obj) {
541 return;
542 }
543 urcu_ref_put(&obj->ref, consumer_release_output);
544}
545
00e2e675
DG
546/*
547 * Copy consumer output and returned the newly allocated copy.
36b588ed
MD
548 *
549 * Should *NOT* be called with RCU read-side lock held.
00e2e675
DG
550 */
551struct consumer_output *consumer_copy_output(struct consumer_output *obj)
552{
6dc3064a 553 int ret;
00e2e675
DG
554 struct consumer_output *output;
555
556 assert(obj);
557
558 output = consumer_create_output(obj->type);
559 if (output == NULL) {
6addfa37 560 goto end;
00e2e675 561 }
6addfa37
MD
562 output->enabled = obj->enabled;
563 output->net_seq_index = obj->net_seq_index;
564 memcpy(output->subdir, obj->subdir, PATH_MAX);
565 output->snapshot = obj->snapshot;
566 memcpy(&output->dst, &obj->dst, sizeof(output->dst));
6dc3064a
DG
567 ret = consumer_copy_sockets(output, obj);
568 if (ret < 0) {
6addfa37 569 goto error_put;
6dc3064a 570 }
6addfa37 571end:
6dc3064a
DG
572 return output;
573
6addfa37
MD
574error_put:
575 consumer_output_put(output);
6dc3064a
DG
576 return NULL;
577}
578
579/*
580 * Copy consumer sockets from src to dst.
581 *
582 * Return 0 on success or else a negative value.
583 */
584int consumer_copy_sockets(struct consumer_output *dst,
585 struct consumer_output *src)
586{
587 int ret = 0;
588 struct lttng_ht_iter iter;
589 struct consumer_socket *socket, *copy_sock;
590
591 assert(dst);
592 assert(src);
593
b82c5c4d 594 rcu_read_lock();
6dc3064a
DG
595 cds_lfht_for_each_entry(src->socks->ht, &iter.iter, socket, node.node) {
596 /* Ignore socket that are already there. */
9363801e 597 copy_sock = consumer_find_socket(*socket->fd_ptr, dst);
6dc3064a
DG
598 if (copy_sock) {
599 continue;
600 }
601
173af62f 602 /* Create new socket object. */
9363801e 603 copy_sock = consumer_allocate_socket(socket->fd_ptr);
173af62f 604 if (copy_sock == NULL) {
b82c5c4d 605 rcu_read_unlock();
6dc3064a
DG
606 ret = -ENOMEM;
607 goto error;
173af62f
DG
608 }
609
09a90bcd 610 copy_sock->registered = socket->registered;
6dc3064a
DG
611 /*
612 * This is valid because this lock is shared accross all consumer
613 * object being the global lock of the consumer data structure of the
614 * session daemon.
615 */
173af62f 616 copy_sock->lock = socket->lock;
6dc3064a 617 consumer_add_socket(copy_sock, dst);
173af62f 618 }
b82c5c4d 619 rcu_read_unlock();
173af62f 620
00e2e675 621error:
6dc3064a 622 return ret;
00e2e675
DG
623}
624
625/*
626 * Set network URI to the consumer output object.
627 *
ad20f474
DG
628 * Return 0 on success. Return 1 if the URI were equal. Else, negative value on
629 * error.
00e2e675
DG
630 */
631int consumer_set_network_uri(struct consumer_output *obj,
632 struct lttng_uri *uri)
633{
634 int ret;
635 char tmp_path[PATH_MAX];
636 char hostname[HOST_NAME_MAX];
637 struct lttng_uri *dst_uri = NULL;
638
639 /* Code flow error safety net. */
640 assert(obj);
641 assert(uri);
642
643 switch (uri->stype) {
644 case LTTNG_STREAM_CONTROL:
645 dst_uri = &obj->dst.net.control;
646 obj->dst.net.control_isset = 1;
647 if (uri->port == 0) {
648 /* Assign default port. */
649 uri->port = DEFAULT_NETWORK_CONTROL_PORT;
a74934ba
DG
650 } else {
651 if (obj->dst.net.data_isset && uri->port ==
652 obj->dst.net.data.port) {
653 ret = -LTTNG_ERR_INVALID;
654 goto error;
655 }
00e2e675 656 }
ad20f474 657 DBG3("Consumer control URI set with port %d", uri->port);
00e2e675
DG
658 break;
659 case LTTNG_STREAM_DATA:
660 dst_uri = &obj->dst.net.data;
661 obj->dst.net.data_isset = 1;
662 if (uri->port == 0) {
663 /* Assign default port. */
664 uri->port = DEFAULT_NETWORK_DATA_PORT;
a74934ba
DG
665 } else {
666 if (obj->dst.net.control_isset && uri->port ==
667 obj->dst.net.control.port) {
668 ret = -LTTNG_ERR_INVALID;
669 goto error;
670 }
00e2e675 671 }
ad20f474 672 DBG3("Consumer data URI set with port %d", uri->port);
00e2e675
DG
673 break;
674 default:
675 ERR("Set network uri type unknown %d", uri->stype);
a74934ba 676 ret = -LTTNG_ERR_INVALID;
00e2e675
DG
677 goto error;
678 }
679
680 ret = uri_compare(dst_uri, uri);
681 if (!ret) {
682 /* Same URI, don't touch it and return success. */
683 DBG3("URI network compare are the same");
ad20f474 684 goto equal;
00e2e675
DG
685 }
686
687 /* URIs were not equal, replacing it. */
688 memset(dst_uri, 0, sizeof(struct lttng_uri));
689 memcpy(dst_uri, uri, sizeof(struct lttng_uri));
690 obj->type = CONSUMER_DST_NET;
691
692 /* Handle subdir and add hostname in front. */
693 if (dst_uri->stype == LTTNG_STREAM_CONTROL) {
694 /* Get hostname to append it in the pathname */
695 ret = gethostname(hostname, sizeof(hostname));
696 if (ret < 0) {
697 PERROR("gethostname. Fallback on default localhost");
698 strncpy(hostname, "localhost", sizeof(hostname));
699 }
700 hostname[sizeof(hostname) - 1] = '\0';
701
702 /* Setup consumer subdir if none present in the control URI */
703 if (strlen(dst_uri->subdir) == 0) {
704 ret = snprintf(tmp_path, sizeof(tmp_path), "%s/%s",
705 hostname, obj->subdir);
706 } else {
707 ret = snprintf(tmp_path, sizeof(tmp_path), "%s/%s",
708 hostname, dst_uri->subdir);
709 }
710 if (ret < 0) {
711 PERROR("snprintf set consumer uri subdir");
a74934ba 712 ret = -LTTNG_ERR_NOMEM;
00e2e675
DG
713 goto error;
714 }
715
716 strncpy(obj->subdir, tmp_path, sizeof(obj->subdir));
717 DBG3("Consumer set network uri subdir path %s", tmp_path);
718 }
719
00e2e675 720 return 0;
ad20f474
DG
721equal:
722 return 1;
00e2e675 723error:
a74934ba 724 return ret;
00e2e675
DG
725}
726
727/*
728 * Send file descriptor to consumer via sock.
729 */
f50f23d9 730int consumer_send_fds(struct consumer_socket *sock, int *fds, size_t nb_fd)
00e2e675
DG
731{
732 int ret;
733
734 assert(fds);
f50f23d9 735 assert(sock);
00e2e675
DG
736 assert(nb_fd > 0);
737
9363801e 738 ret = lttcomm_send_fds_unix_sock(*sock->fd_ptr, fds, nb_fd);
00e2e675 739 if (ret < 0) {
3448e266 740 /* The above call will print a PERROR on error. */
9363801e 741 DBG("Error when sending consumer fds on sock %d", *sock->fd_ptr);
00e2e675
DG
742 goto error;
743 }
744
f50f23d9
DG
745 ret = consumer_recv_status_reply(sock);
746
00e2e675
DG
747error:
748 return ret;
749}
750
ffe60014
DG
751/*
752 * Consumer send communication message structure to consumer.
753 */
754int consumer_send_msg(struct consumer_socket *sock,
755 struct lttcomm_consumer_msg *msg)
756{
757 int ret;
758
759 assert(msg);
760 assert(sock);
ffe60014 761
52898cb1 762 ret = consumer_socket_send(sock, msg, sizeof(struct lttcomm_consumer_msg));
ffe60014 763 if (ret < 0) {
ffe60014
DG
764 goto error;
765 }
766
767 ret = consumer_recv_status_reply(sock);
768
769error:
770 return ret;
771}
772
00e2e675
DG
773/*
774 * Consumer send channel communication message structure to consumer.
775 */
f50f23d9
DG
776int consumer_send_channel(struct consumer_socket *sock,
777 struct lttcomm_consumer_msg *msg)
00e2e675
DG
778{
779 int ret;
780
781 assert(msg);
f50f23d9 782 assert(sock);
00e2e675 783
52898cb1 784 ret = consumer_send_msg(sock, msg);
00e2e675 785 if (ret < 0) {
00e2e675
DG
786 goto error;
787 }
788
789error:
790 return ret;
791}
792
ffe60014
DG
793/*
794 * Populate the given consumer msg structure with the ask_channel command
795 * information.
796 */
797void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg,
798 uint64_t subbuf_size,
799 uint64_t num_subbuf,
800 int overwrite,
801 unsigned int switch_timer_interval,
802 unsigned int read_timer_interval,
ecc48a90 803 unsigned int live_timer_interval,
ffe60014
DG
804 int output,
805 int type,
806 uint64_t session_id,
807 const char *pathname,
808 const char *name,
809 uid_t uid,
810 gid_t gid,
d88aee68
DG
811 uint64_t relayd_id,
812 uint64_t key,
7972aab2 813 unsigned char *uuid,
1624d5b7
JD
814 uint32_t chan_id,
815 uint64_t tracefile_size,
2bba9e53 816 uint64_t tracefile_count,
1950109e 817 uint64_t session_id_per_pid,
567eb353 818 unsigned int monitor,
d7ba1388 819 uint32_t ust_app_uid,
3d071855 820 const char *root_shm_path,
d7ba1388 821 const char *shm_path)
ffe60014
DG
822{
823 assert(msg);
824
825 /* Zeroed structure */
826 memset(msg, 0, sizeof(struct lttcomm_consumer_msg));
827
828 msg->cmd_type = LTTNG_CONSUMER_ASK_CHANNEL_CREATION;
829 msg->u.ask_channel.subbuf_size = subbuf_size;
830 msg->u.ask_channel.num_subbuf = num_subbuf ;
831 msg->u.ask_channel.overwrite = overwrite;
832 msg->u.ask_channel.switch_timer_interval = switch_timer_interval;
833 msg->u.ask_channel.read_timer_interval = read_timer_interval;
ecc48a90 834 msg->u.ask_channel.live_timer_interval = live_timer_interval;
ffe60014
DG
835 msg->u.ask_channel.output = output;
836 msg->u.ask_channel.type = type;
837 msg->u.ask_channel.session_id = session_id;
1950109e 838 msg->u.ask_channel.session_id_per_pid = session_id_per_pid;
ffe60014
DG
839 msg->u.ask_channel.uid = uid;
840 msg->u.ask_channel.gid = gid;
841 msg->u.ask_channel.relayd_id = relayd_id;
842 msg->u.ask_channel.key = key;
7972aab2 843 msg->u.ask_channel.chan_id = chan_id;
1624d5b7
JD
844 msg->u.ask_channel.tracefile_size = tracefile_size;
845 msg->u.ask_channel.tracefile_count = tracefile_count;
2bba9e53 846 msg->u.ask_channel.monitor = monitor;
567eb353 847 msg->u.ask_channel.ust_app_uid = ust_app_uid;
ffe60014
DG
848
849 memcpy(msg->u.ask_channel.uuid, uuid, sizeof(msg->u.ask_channel.uuid));
850
10a50311
JD
851 if (pathname) {
852 strncpy(msg->u.ask_channel.pathname, pathname,
853 sizeof(msg->u.ask_channel.pathname));
854 msg->u.ask_channel.pathname[sizeof(msg->u.ask_channel.pathname)-1] = '\0';
855 }
ffe60014
DG
856
857 strncpy(msg->u.ask_channel.name, name, sizeof(msg->u.ask_channel.name));
858 msg->u.ask_channel.name[sizeof(msg->u.ask_channel.name) - 1] = '\0';
d7ba1388 859
3d071855
MD
860 if (root_shm_path) {
861 strncpy(msg->u.ask_channel.root_shm_path, root_shm_path,
862 sizeof(msg->u.ask_channel.root_shm_path));
863 msg->u.ask_channel.root_shm_path[sizeof(msg->u.ask_channel.root_shm_path) - 1] = '\0';
864 }
d7ba1388
MD
865 if (shm_path) {
866 strncpy(msg->u.ask_channel.shm_path, shm_path,
867 sizeof(msg->u.ask_channel.shm_path));
868 msg->u.ask_channel.shm_path[sizeof(msg->u.ask_channel.shm_path) - 1] = '\0';
869 }
ffe60014
DG
870}
871
00e2e675
DG
872/*
873 * Init channel communication message structure.
874 */
875void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg *msg,
876 enum lttng_consumer_command cmd,
d88aee68 877 uint64_t channel_key,
ffe60014
DG
878 uint64_t session_id,
879 const char *pathname,
880 uid_t uid,
881 gid_t gid,
d88aee68 882 uint64_t relayd_id,
c30aaa51 883 const char *name,
ffe60014
DG
884 unsigned int nb_init_streams,
885 enum lttng_event_output output,
1624d5b7
JD
886 int type,
887 uint64_t tracefile_size,
2bba9e53 888 uint64_t tracefile_count,
ecc48a90
JD
889 unsigned int monitor,
890 unsigned int live_timer_interval)
00e2e675
DG
891{
892 assert(msg);
893
00e2e675
DG
894 /* Zeroed structure */
895 memset(msg, 0, sizeof(struct lttcomm_consumer_msg));
896
897 /* Send channel */
898 msg->cmd_type = cmd;
899 msg->u.channel.channel_key = channel_key;
ffe60014
DG
900 msg->u.channel.session_id = session_id;
901 msg->u.channel.uid = uid;
902 msg->u.channel.gid = gid;
903 msg->u.channel.relayd_id = relayd_id;
c30aaa51 904 msg->u.channel.nb_init_streams = nb_init_streams;
ffe60014
DG
905 msg->u.channel.output = output;
906 msg->u.channel.type = type;
1624d5b7
JD
907 msg->u.channel.tracefile_size = tracefile_size;
908 msg->u.channel.tracefile_count = tracefile_count;
2bba9e53 909 msg->u.channel.monitor = monitor;
ecc48a90 910 msg->u.channel.live_timer_interval = live_timer_interval;
ffe60014
DG
911
912 strncpy(msg->u.channel.pathname, pathname,
913 sizeof(msg->u.channel.pathname));
914 msg->u.channel.pathname[sizeof(msg->u.channel.pathname) - 1] = '\0';
915
916 strncpy(msg->u.channel.name, name, sizeof(msg->u.channel.name));
917 msg->u.channel.name[sizeof(msg->u.channel.name) - 1] = '\0';
00e2e675
DG
918}
919
920/*
921 * Init stream communication message structure.
922 */
923void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg,
924 enum lttng_consumer_command cmd,
d88aee68
DG
925 uint64_t channel_key,
926 uint64_t stream_key,
ffe60014 927 int cpu)
00e2e675
DG
928{
929 assert(msg);
930
931 memset(msg, 0, sizeof(struct lttcomm_consumer_msg));
932
00e2e675
DG
933 msg->cmd_type = cmd;
934 msg->u.stream.channel_key = channel_key;
935 msg->u.stream.stream_key = stream_key;
ffe60014 936 msg->u.stream.cpu = cpu;
00e2e675
DG
937}
938
a4baae1b
JD
939void consumer_init_streams_sent_comm_msg(struct lttcomm_consumer_msg *msg,
940 enum lttng_consumer_command cmd,
941 uint64_t channel_key, uint64_t net_seq_idx)
942{
943 assert(msg);
944
945 memset(msg, 0, sizeof(struct lttcomm_consumer_msg));
946
947 msg->cmd_type = cmd;
948 msg->u.sent_streams.channel_key = channel_key;
949 msg->u.sent_streams.net_seq_idx = net_seq_idx;
950}
951
00e2e675
DG
952/*
953 * Send stream communication structure to the consumer.
954 */
f50f23d9
DG
955int consumer_send_stream(struct consumer_socket *sock,
956 struct consumer_output *dst, struct lttcomm_consumer_msg *msg,
957 int *fds, size_t nb_fd)
00e2e675
DG
958{
959 int ret;
960
961 assert(msg);
962 assert(dst);
f50f23d9 963 assert(sock);
ffe60014 964 assert(fds);
00e2e675 965
52898cb1 966 ret = consumer_send_msg(sock, msg);
f50f23d9
DG
967 if (ret < 0) {
968 goto error;
969 }
970
00e2e675
DG
971 ret = consumer_send_fds(sock, fds, nb_fd);
972 if (ret < 0) {
973 goto error;
974 }
975
976error:
977 return ret;
978}
37278a1e
DG
979
980/*
981 * Send relayd socket to consumer associated with a session name.
982 *
983 * On success return positive value. On error, negative value.
984 */
f50f23d9 985int consumer_send_relayd_socket(struct consumer_socket *consumer_sock,
6151a90f 986 struct lttcomm_relayd_sock *rsock, struct consumer_output *consumer,
d3e2ba59
JD
987 enum lttng_stream_type type, uint64_t session_id,
988 char *session_name, char *hostname, int session_live_timer)
37278a1e
DG
989{
990 int ret;
991 struct lttcomm_consumer_msg msg;
992
993 /* Code flow error. Safety net. */
6151a90f 994 assert(rsock);
37278a1e 995 assert(consumer);
f50f23d9 996 assert(consumer_sock);
37278a1e 997
53efb85a 998 memset(&msg, 0, sizeof(msg));
37278a1e
DG
999 /* Bail out if consumer is disabled */
1000 if (!consumer->enabled) {
f73fabfd 1001 ret = LTTNG_OK;
37278a1e
DG
1002 goto error;
1003 }
1004
d3e2ba59
JD
1005 if (type == LTTNG_STREAM_CONTROL) {
1006 ret = relayd_create_session(rsock,
1007 &msg.u.relayd_sock.relayd_session_id,
7d2f7452
DG
1008 session_name, hostname, session_live_timer,
1009 consumer->snapshot);
d3e2ba59
JD
1010 if (ret < 0) {
1011 /* Close the control socket. */
1012 (void) relayd_close(rsock);
1013 goto error;
1014 }
1015 }
1016
37278a1e
DG
1017 msg.cmd_type = LTTNG_CONSUMER_ADD_RELAYD_SOCKET;
1018 /*
1019 * Assign network consumer output index using the temporary consumer since
1020 * this call should only be made from within a set_consumer_uri() function
1021 * call in the session daemon.
1022 */
1023 msg.u.relayd_sock.net_index = consumer->net_seq_index;
1024 msg.u.relayd_sock.type = type;
46e6455f 1025 msg.u.relayd_sock.session_id = session_id;
6151a90f 1026 memcpy(&msg.u.relayd_sock.sock, rsock, sizeof(msg.u.relayd_sock.sock));
37278a1e 1027
9363801e 1028 DBG3("Sending relayd sock info to consumer on %d", *consumer_sock->fd_ptr);
52898cb1 1029 ret = consumer_send_msg(consumer_sock, &msg);
f50f23d9
DG
1030 if (ret < 0) {
1031 goto error;
1032 }
1033
37278a1e 1034 DBG3("Sending relayd socket file descriptor to consumer");
6151a90f 1035 ret = consumer_send_fds(consumer_sock, &rsock->sock.fd, 1);
37278a1e
DG
1036 if (ret < 0) {
1037 goto error;
1038 }
1039
1040 DBG2("Consumer relayd socket sent");
1041
1042error:
1043 return ret;
1044}
173af62f
DG
1045
1046/*
2f77fc4b
DG
1047 * Set consumer subdirectory using the session name and a generated datetime if
1048 * needed. This is appended to the current subdirectory.
173af62f 1049 */
2f77fc4b
DG
1050int consumer_set_subdir(struct consumer_output *consumer,
1051 const char *session_name)
173af62f 1052{
2f77fc4b
DG
1053 int ret = 0;
1054 unsigned int have_default_name = 0;
1055 char datetime[16], tmp_path[PATH_MAX];
1056 time_t rawtime;
1057 struct tm *timeinfo;
173af62f
DG
1058
1059 assert(consumer);
2f77fc4b
DG
1060 assert(session_name);
1061
1062 memset(tmp_path, 0, sizeof(tmp_path));
1063
1064 /* Flag if we have a default session. */
1065 if (strncmp(session_name, DEFAULT_SESSION_NAME "-",
1066 strlen(DEFAULT_SESSION_NAME) + 1) == 0) {
1067 have_default_name = 1;
1068 } else {
1069 /* Get date and time for session path */
1070 time(&rawtime);
1071 timeinfo = localtime(&rawtime);
1072 strftime(datetime, sizeof(datetime), "%Y%m%d-%H%M%S", timeinfo);
173af62f
DG
1073 }
1074
2f77fc4b
DG
1075 if (have_default_name) {
1076 ret = snprintf(tmp_path, sizeof(tmp_path),
1077 "%s/%s", consumer->subdir, session_name);
1078 } else {
1079 ret = snprintf(tmp_path, sizeof(tmp_path),
1080 "%s/%s-%s/", consumer->subdir, session_name, datetime);
1081 }
173af62f 1082 if (ret < 0) {
2f77fc4b 1083 PERROR("snprintf session name date");
173af62f
DG
1084 goto error;
1085 }
1086
2f77fc4b
DG
1087 strncpy(consumer->subdir, tmp_path, sizeof(consumer->subdir));
1088 DBG2("Consumer subdir set to %s", consumer->subdir);
173af62f
DG
1089
1090error:
1091 return ret;
1092}
806e2684
DG
1093
1094/*
5e280d77
MD
1095 * Ask the consumer if the data is pending for the specific session id.
1096 * Returns 1 if data is pending, 0 otherwise, or < 0 on error.
806e2684 1097 */
d88aee68 1098int consumer_is_data_pending(uint64_t session_id,
806e2684
DG
1099 struct consumer_output *consumer)
1100{
1101 int ret;
6d805429 1102 int32_t ret_code = 0; /* Default is that the data is NOT pending */
806e2684
DG
1103 struct consumer_socket *socket;
1104 struct lttng_ht_iter iter;
1105 struct lttcomm_consumer_msg msg;
1106
1107 assert(consumer);
1108
53efb85a 1109 DBG3("Consumer data pending for id %" PRIu64, session_id);
806e2684 1110
53efb85a
MD
1111 memset(&msg, 0, sizeof(msg));
1112 msg.cmd_type = LTTNG_CONSUMER_DATA_PENDING;
d88aee68 1113 msg.u.data_pending.session_id = session_id;
806e2684 1114
c8f59ee5 1115 /* Send command for each consumer */
b82c5c4d 1116 rcu_read_lock();
806e2684
DG
1117 cds_lfht_for_each_entry(consumer->socks->ht, &iter.iter, socket,
1118 node.node) {
806e2684 1119 pthread_mutex_lock(socket->lock);
52898cb1 1120 ret = consumer_socket_send(socket, &msg, sizeof(msg));
806e2684 1121 if (ret < 0) {
806e2684 1122 pthread_mutex_unlock(socket->lock);
b82c5c4d 1123 goto error_unlock;
806e2684
DG
1124 }
1125
f50f23d9
DG
1126 /*
1127 * No need for a recv reply status because the answer to the command is
1128 * the reply status message.
1129 */
1130
52898cb1
DG
1131 ret = consumer_socket_recv(socket, &ret_code, sizeof(ret_code));
1132 if (ret < 0) {
806e2684 1133 pthread_mutex_unlock(socket->lock);
b82c5c4d 1134 goto error_unlock;
806e2684 1135 }
806e2684
DG
1136 pthread_mutex_unlock(socket->lock);
1137
6d805429 1138 if (ret_code == 1) {
806e2684
DG
1139 break;
1140 }
1141 }
b82c5c4d 1142 rcu_read_unlock();
806e2684 1143
d88aee68
DG
1144 DBG("Consumer data is %s pending for session id %" PRIu64,
1145 ret_code == 1 ? "" : "NOT", session_id);
806e2684
DG
1146 return ret_code;
1147
b82c5c4d
DG
1148error_unlock:
1149 rcu_read_unlock();
806e2684
DG
1150 return -1;
1151}
7972aab2
DG
1152
1153/*
1154 * Send a flush command to consumer using the given channel key.
1155 *
1156 * Return 0 on success else a negative value.
1157 */
1158int consumer_flush_channel(struct consumer_socket *socket, uint64_t key)
1159{
1160 int ret;
1161 struct lttcomm_consumer_msg msg;
1162
1163 assert(socket);
7972aab2
DG
1164
1165 DBG2("Consumer flush channel key %" PRIu64, key);
1166
53efb85a 1167 memset(&msg, 0, sizeof(msg));
7972aab2
DG
1168 msg.cmd_type = LTTNG_CONSUMER_FLUSH_CHANNEL;
1169 msg.u.flush_channel.key = key;
1170
1171 pthread_mutex_lock(socket->lock);
1172 health_code_update();
1173
1174 ret = consumer_send_msg(socket, &msg);
1175 if (ret < 0) {
1176 goto end;
1177 }
1178
1179end:
1180 health_code_update();
1181 pthread_mutex_unlock(socket->lock);
1182 return ret;
1183}
1184
1185/*
dc2bbdae
MD
1186 * Send a close metadata command to consumer using the given channel key.
1187 * Called with registry lock held.
7972aab2
DG
1188 *
1189 * Return 0 on success else a negative value.
1190 */
1191int consumer_close_metadata(struct consumer_socket *socket,
1192 uint64_t metadata_key)
1193{
1194 int ret;
1195 struct lttcomm_consumer_msg msg;
1196
1197 assert(socket);
7972aab2
DG
1198
1199 DBG2("Consumer close metadata channel key %" PRIu64, metadata_key);
1200
53efb85a 1201 memset(&msg, 0, sizeof(msg));
7972aab2
DG
1202 msg.cmd_type = LTTNG_CONSUMER_CLOSE_METADATA;
1203 msg.u.close_metadata.key = metadata_key;
1204
1205 pthread_mutex_lock(socket->lock);
1206 health_code_update();
1207
1208 ret = consumer_send_msg(socket, &msg);
1209 if (ret < 0) {
1210 goto end;
1211 }
1212
1213end:
1214 health_code_update();
1215 pthread_mutex_unlock(socket->lock);
1216 return ret;
1217}
1218
1219/*
1220 * Send a setup metdata command to consumer using the given channel key.
1221 *
1222 * Return 0 on success else a negative value.
1223 */
1224int consumer_setup_metadata(struct consumer_socket *socket,
1225 uint64_t metadata_key)
1226{
1227 int ret;
1228 struct lttcomm_consumer_msg msg;
1229
1230 assert(socket);
7972aab2
DG
1231
1232 DBG2("Consumer setup metadata channel key %" PRIu64, metadata_key);
1233
53efb85a 1234 memset(&msg, 0, sizeof(msg));
7972aab2
DG
1235 msg.cmd_type = LTTNG_CONSUMER_SETUP_METADATA;
1236 msg.u.setup_metadata.key = metadata_key;
1237
1238 pthread_mutex_lock(socket->lock);
1239 health_code_update();
1240
1241 ret = consumer_send_msg(socket, &msg);
1242 if (ret < 0) {
1243 goto end;
1244 }
1245
1246end:
1247 health_code_update();
1248 pthread_mutex_unlock(socket->lock);
1249 return ret;
1250}
1251
1252/*
dc2bbdae
MD
1253 * Send metadata string to consumer.
1254 * RCU read-side lock must be held to guarantee existence of socket.
7972aab2
DG
1255 *
1256 * Return 0 on success else a negative value.
1257 */
1258int consumer_push_metadata(struct consumer_socket *socket,
1259 uint64_t metadata_key, char *metadata_str, size_t len,
1260 size_t target_offset)
1261{
1262 int ret;
1263 struct lttcomm_consumer_msg msg;
1264
1265 assert(socket);
7972aab2 1266
9363801e 1267 DBG2("Consumer push metadata to consumer socket %d", *socket->fd_ptr);
7972aab2 1268
dc2bbdae
MD
1269 pthread_mutex_lock(socket->lock);
1270
53efb85a 1271 memset(&msg, 0, sizeof(msg));
7972aab2
DG
1272 msg.cmd_type = LTTNG_CONSUMER_PUSH_METADATA;
1273 msg.u.push_metadata.key = metadata_key;
1274 msg.u.push_metadata.target_offset = target_offset;
1275 msg.u.push_metadata.len = len;
1276
7972aab2
DG
1277 health_code_update();
1278 ret = consumer_send_msg(socket, &msg);
331744e3 1279 if (ret < 0 || len == 0) {
7972aab2
DG
1280 goto end;
1281 }
1282
9363801e
DG
1283 DBG3("Consumer pushing metadata on sock %d of len %zu", *socket->fd_ptr,
1284 len);
7972aab2 1285
52898cb1 1286 ret = consumer_socket_send(socket, metadata_str, len);
7972aab2
DG
1287 if (ret < 0) {
1288 goto end;
1289 }
1290
1291 health_code_update();
1292 ret = consumer_recv_status_reply(socket);
1293 if (ret < 0) {
1294 goto end;
1295 }
1296
1297end:
dc2bbdae 1298 pthread_mutex_unlock(socket->lock);
7972aab2 1299 health_code_update();
7972aab2
DG
1300 return ret;
1301}
6dc3064a
DG
1302
1303/*
1304 * Ask the consumer to snapshot a specific channel using the key.
1305 *
1306 * Return 0 on success or else a negative error.
1307 */
1308int consumer_snapshot_channel(struct consumer_socket *socket, uint64_t key,
1309 struct snapshot_output *output, int metadata, uid_t uid, gid_t gid,
d07ceecd 1310 const char *session_path, int wait, uint64_t nb_packets_per_stream)
6dc3064a
DG
1311{
1312 int ret;
1313 struct lttcomm_consumer_msg msg;
1314
1315 assert(socket);
6dc3064a
DG
1316 assert(output);
1317 assert(output->consumer);
1318
1319 DBG("Consumer snapshot channel key %" PRIu64, key);
1320
ee91bab2 1321 memset(&msg, 0, sizeof(msg));
6dc3064a
DG
1322 msg.cmd_type = LTTNG_CONSUMER_SNAPSHOT_CHANNEL;
1323 msg.u.snapshot_channel.key = key;
d07ceecd 1324 msg.u.snapshot_channel.nb_packets_per_stream = nb_packets_per_stream;
6dc3064a
DG
1325 msg.u.snapshot_channel.metadata = metadata;
1326
1327 if (output->consumer->type == CONSUMER_DST_NET) {
1328 msg.u.snapshot_channel.relayd_id = output->consumer->net_seq_index;
1329 msg.u.snapshot_channel.use_relayd = 1;
1330 ret = snprintf(msg.u.snapshot_channel.pathname,
1bfe7328
DG
1331 sizeof(msg.u.snapshot_channel.pathname),
1332 "%s/%s-%s-%" PRIu64 "%s", output->consumer->subdir,
1333 output->name, output->datetime, output->nb_snapshot,
ee91bab2 1334 session_path);
6dc3064a
DG
1335 if (ret < 0) {
1336 ret = -LTTNG_ERR_NOMEM;
1337 goto error;
1338 }
1339 } else {
1340 ret = snprintf(msg.u.snapshot_channel.pathname,
1bfe7328
DG
1341 sizeof(msg.u.snapshot_channel.pathname),
1342 "%s/%s-%s-%" PRIu64 "%s", output->consumer->dst.trace_path,
1343 output->name, output->datetime, output->nb_snapshot,
1344 session_path);
6dc3064a
DG
1345 if (ret < 0) {
1346 ret = -LTTNG_ERR_NOMEM;
1347 goto error;
1348 }
07b86b52 1349 msg.u.snapshot_channel.relayd_id = (uint64_t) -1ULL;
6dc3064a
DG
1350
1351 /* Create directory. Ignore if exist. */
1352 ret = run_as_mkdir_recursive(msg.u.snapshot_channel.pathname,
1353 S_IRWXU | S_IRWXG, uid, gid);
1354 if (ret < 0) {
df5b86c8 1355 if (errno != EEXIST) {
6dc3064a
DG
1356 ERR("Trace directory creation error");
1357 goto error;
1358 }
1359 }
1360 }
1361
1362 health_code_update();
1363 ret = consumer_send_msg(socket, &msg);
1364 if (ret < 0) {
1365 goto error;
1366 }
1367
1368error:
1369 health_code_update();
1370 return ret;
1371}
This page took 0.172109 seconds and 4 git commands to generate.