2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
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.
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
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.
24 #include <sys/types.h>
28 #include <common/common.h>
29 #include <common/defaults.h>
30 #include <common/uri.h>
31 #include <common/relayd/relayd.h>
34 #include "health-sessiond.h"
39 * Send a data payload using a given consumer socket of size len.
41 * The consumer socket lock MUST be acquired before calling this since this
42 * function can change the fd value.
44 * Return 0 on success else a negative value on error.
46 int consumer_socket_send(struct consumer_socket
*socket
, void *msg
, size_t len
)
52 assert(socket
->fd_ptr
);
55 /* Consumer socket is invalid. Stopping. */
61 size
= lttcomm_send_unix_sock(fd
, msg
, len
);
63 /* The above call will print a PERROR on error. */
64 DBG("Error when sending data to consumer on sock %d", fd
);
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.
70 /* This call will PERROR on error. */
71 (void) lttcomm_close_unix_sock(fd
);
83 * Receive a data payload using a given consumer socket of size len.
85 * The consumer socket lock MUST be acquired before calling this since this
86 * function can change the fd value.
88 * Return 0 on success else a negative value on error.
90 int consumer_socket_recv(struct consumer_socket
*socket
, void *msg
, size_t len
)
96 assert(socket
->fd_ptr
);
99 /* Consumer socket is invalid. Stopping. */
100 fd
= *socket
->fd_ptr
;
105 size
= lttcomm_recv_unix_sock(fd
, msg
, len
);
107 /* The above call will print a PERROR on error. */
108 DBG("Error when receiving data from the consumer socket %d", fd
);
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.
114 /* This call will PERROR on error. */
115 (void) lttcomm_close_unix_sock(fd
);
116 *socket
->fd_ptr
= -1;
127 * Receive a reply command status message from the consumer. Consumer socket
128 * lock MUST be acquired before calling this function.
130 * Return 0 on success, -1 on recv error or a negative lttng error code which
131 * was possibly returned by the consumer.
133 int consumer_recv_status_reply(struct consumer_socket
*sock
)
136 struct lttcomm_consumer_status_msg reply
;
140 ret
= consumer_socket_recv(sock
, &reply
, sizeof(reply
));
145 if (reply
.ret_code
== LTTCOMM_CONSUMERD_SUCCESS
) {
149 ret
= -reply
.ret_code
;
150 DBG("Consumer ret code %d", ret
);
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
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.
165 int consumer_recv_status_channel(struct consumer_socket
*sock
,
166 uint64_t *key
, unsigned int *stream_count
)
169 struct lttcomm_consumer_status_channel reply
;
172 assert(stream_count
);
175 ret
= consumer_socket_recv(sock
, &reply
, sizeof(reply
));
180 /* An error is possible so don't touch the key and stream_count. */
181 if (reply
.ret_code
!= LTTCOMM_CONSUMERD_SUCCESS
) {
187 *stream_count
= reply
.stream_count
;
195 * Send destroy relayd command to consumer.
197 * On success return positive value. On error, negative value.
199 int consumer_send_destroy_relayd(struct consumer_socket
*sock
,
200 struct consumer_output
*consumer
)
203 struct lttcomm_consumer_msg msg
;
208 DBG2("Sending destroy relayd command to consumer sock %d", *sock
->fd_ptr
);
210 memset(&msg
, 0, sizeof(msg
));
211 msg
.cmd_type
= LTTNG_CONSUMER_DESTROY_RELAYD
;
212 msg
.u
.destroy_relayd
.net_seq_idx
= consumer
->net_seq_index
;
214 pthread_mutex_lock(sock
->lock
);
215 ret
= consumer_socket_send(sock
, &msg
, sizeof(msg
));
220 /* Don't check the return value. The caller will do it. */
221 ret
= consumer_recv_status_reply(sock
);
223 DBG2("Consumer send destroy relayd command done");
226 pthread_mutex_unlock(sock
->lock
);
231 * For each consumer socket in the consumer output object, send a destroy
234 void consumer_output_send_destroy_relayd(struct consumer_output
*consumer
)
236 struct lttng_ht_iter iter
;
237 struct consumer_socket
*socket
;
241 /* Destroy any relayd connection */
242 if (consumer
->type
== CONSUMER_DST_NET
) {
244 cds_lfht_for_each_entry(consumer
->socks
->ht
, &iter
.iter
, socket
,
248 /* Send destroy relayd command */
249 ret
= consumer_send_destroy_relayd(socket
, consumer
);
251 DBG("Unable to send destroy relayd command to consumer");
252 /* Continue since we MUST delete everything at this point. */
260 * From a consumer_data structure, allocate and add a consumer socket to the
263 * Return 0 on success, else negative value on error
265 int consumer_create_socket(struct consumer_data
*data
,
266 struct consumer_output
*output
)
269 struct consumer_socket
*socket
;
273 if (output
== NULL
|| data
->cmd_sock
< 0) {
275 * Not an error. Possible there is simply not spawned consumer or it's
276 * disabled for the tracing session asking the socket.
282 socket
= consumer_find_socket(data
->cmd_sock
, output
);
284 if (socket
== NULL
) {
285 socket
= consumer_allocate_socket(&data
->cmd_sock
);
286 if (socket
== NULL
) {
291 socket
->registered
= 0;
292 socket
->lock
= &data
->lock
;
294 consumer_add_socket(socket
, output
);
298 socket
->type
= data
->type
;
300 DBG3("Consumer socket created (fd: %d) and added to output",
308 * Return the consumer socket from the given consumer output with the right
309 * bitness. On error, returns NULL.
311 * The caller MUST acquire a rcu read side lock and keep it until the socket
312 * object reference is not needed anymore.
314 struct consumer_socket
*consumer_find_socket_by_bitness(int bits
,
315 struct consumer_output
*consumer
)
318 struct consumer_socket
*socket
= NULL
;
322 consumer_fd
= uatomic_read(&ust_consumerd64_fd
);
325 consumer_fd
= uatomic_read(&ust_consumerd32_fd
);
332 socket
= consumer_find_socket(consumer_fd
, consumer
);
334 ERR("Consumer socket fd %d not found in consumer obj %p",
335 consumer_fd
, consumer
);
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.
347 struct consumer_socket
*consumer_find_socket(int key
,
348 struct consumer_output
*consumer
)
350 struct lttng_ht_iter iter
;
351 struct lttng_ht_node_ulong
*node
;
352 struct consumer_socket
*socket
= NULL
;
354 /* Negative keys are lookup failures */
355 if (key
< 0 || consumer
== NULL
) {
359 lttng_ht_lookup(consumer
->socks
, (void *)((unsigned long) key
),
361 node
= lttng_ht_iter_get_node_ulong(&iter
);
363 socket
= caa_container_of(node
, struct consumer_socket
, node
);
370 * Allocate a new consumer_socket and return the pointer.
372 struct consumer_socket
*consumer_allocate_socket(int *fd
)
374 struct consumer_socket
*socket
= NULL
;
378 socket
= zmalloc(sizeof(struct consumer_socket
));
379 if (socket
== NULL
) {
380 PERROR("zmalloc consumer socket");
385 lttng_ht_node_init_ulong(&socket
->node
, *fd
);
392 * Add consumer socket to consumer output object. Read side lock must be
393 * acquired before calling this function.
395 void consumer_add_socket(struct consumer_socket
*sock
,
396 struct consumer_output
*consumer
)
401 lttng_ht_add_unique_ulong(consumer
->socks
, &sock
->node
);
405 * Delte consumer socket to consumer output object. Read side lock must be
406 * acquired before calling this function.
408 void consumer_del_socket(struct consumer_socket
*sock
,
409 struct consumer_output
*consumer
)
412 struct lttng_ht_iter iter
;
417 iter
.iter
.node
= &sock
->node
.node
;
418 ret
= lttng_ht_del(consumer
->socks
, &iter
);
423 * RCU destroy call function.
425 static void destroy_socket_rcu(struct rcu_head
*head
)
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
);
436 * Destroy and free socket pointer in a call RCU. Read side lock must be
437 * acquired before calling this function.
439 void consumer_destroy_socket(struct consumer_socket
*sock
)
444 * We DO NOT close the file descriptor here since it is global to the
445 * session daemon and is closed only if the consumer dies or a custom
446 * consumer was registered,
448 if (sock
->registered
) {
449 DBG3("Consumer socket was registered. Closing fd %d", *sock
->fd_ptr
);
450 lttcomm_close_unix_sock(*sock
->fd_ptr
);
453 call_rcu(&sock
->node
.head
, destroy_socket_rcu
);
457 * Allocate and assign data to a consumer_output object.
459 * Return pointer to structure.
461 struct consumer_output
*consumer_create_output(enum consumer_dst_type type
)
463 struct consumer_output
*output
= NULL
;
465 output
= zmalloc(sizeof(struct consumer_output
));
466 if (output
== NULL
) {
467 PERROR("zmalloc consumer_output");
471 /* By default, consumer output is enabled */
474 output
->net_seq_index
= (uint64_t) -1ULL;
475 urcu_ref_init(&output
->ref
);
477 output
->socks
= lttng_ht_new(0, LTTNG_HT_TYPE_ULONG
);
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.
488 void consumer_destroy_output_sockets(struct consumer_output
*obj
)
490 struct lttng_ht_iter iter
;
491 struct consumer_socket
*socket
;
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
);
506 * Delete the consumer_output object from the list and free the ptr.
508 * Should *NOT* be called with RCU read-side lock held.
510 static void consumer_release_output(struct urcu_ref
*ref
)
512 struct consumer_output
*obj
=
513 caa_container_of(ref
, struct consumer_output
, ref
);
515 consumer_destroy_output_sockets(obj
);
518 /* Finally destroy HT */
519 ht_cleanup_push(obj
->socks
);
526 * Get the consumer_output object.
528 void consumer_output_get(struct consumer_output
*obj
)
530 urcu_ref_get(&obj
->ref
);
534 * Put the consumer_output object.
536 * Should *NOT* be called with RCU read-side lock held.
538 void consumer_output_put(struct consumer_output
*obj
)
543 urcu_ref_put(&obj
->ref
, consumer_release_output
);
547 * Copy consumer output and returned the newly allocated copy.
549 * Should *NOT* be called with RCU read-side lock held.
551 struct consumer_output
*consumer_copy_output(struct consumer_output
*obj
)
554 struct consumer_output
*output
;
558 output
= consumer_create_output(obj
->type
);
559 if (output
== NULL
) {
562 output
->enabled
= obj
->enabled
;
563 output
->net_seq_index
= obj
->net_seq_index
;
564 memcpy(output
->subdir
, obj
->subdir
, sizeof(output
->subdir
));
565 output
->snapshot
= obj
->snapshot
;
566 output
->relay_major_version
= obj
->relay_major_version
;
567 output
->relay_minor_version
= obj
->relay_minor_version
;
568 memcpy(&output
->dst
, &obj
->dst
, sizeof(output
->dst
));
569 ret
= consumer_copy_sockets(output
, obj
);
577 consumer_output_put(output
);
582 * Copy consumer sockets from src to dst.
584 * Return 0 on success or else a negative value.
586 int consumer_copy_sockets(struct consumer_output
*dst
,
587 struct consumer_output
*src
)
590 struct lttng_ht_iter iter
;
591 struct consumer_socket
*socket
, *copy_sock
;
597 cds_lfht_for_each_entry(src
->socks
->ht
, &iter
.iter
, socket
, node
.node
) {
598 /* Ignore socket that are already there. */
599 copy_sock
= consumer_find_socket(*socket
->fd_ptr
, dst
);
604 /* Create new socket object. */
605 copy_sock
= consumer_allocate_socket(socket
->fd_ptr
);
606 if (copy_sock
== NULL
) {
612 copy_sock
->registered
= socket
->registered
;
614 * This is valid because this lock is shared accross all consumer
615 * object being the global lock of the consumer data structure of the
618 copy_sock
->lock
= socket
->lock
;
619 consumer_add_socket(copy_sock
, dst
);
628 * Set network URI to the consumer output object.
630 * Return 0 on success. Return 1 if the URI were equal. Else, negative value on
633 int consumer_set_network_uri(struct consumer_output
*obj
,
634 struct lttng_uri
*uri
)
637 char tmp_path
[PATH_MAX
];
638 char hostname
[HOST_NAME_MAX
];
639 struct lttng_uri
*dst_uri
= NULL
;
641 /* Code flow error safety net. */
645 switch (uri
->stype
) {
646 case LTTNG_STREAM_CONTROL
:
647 dst_uri
= &obj
->dst
.net
.control
;
648 obj
->dst
.net
.control_isset
= 1;
649 if (uri
->port
== 0) {
650 /* Assign default port. */
651 uri
->port
= DEFAULT_NETWORK_CONTROL_PORT
;
653 if (obj
->dst
.net
.data_isset
&& uri
->port
==
654 obj
->dst
.net
.data
.port
) {
655 ret
= -LTTNG_ERR_INVALID
;
659 DBG3("Consumer control URI set with port %d", uri
->port
);
661 case LTTNG_STREAM_DATA
:
662 dst_uri
= &obj
->dst
.net
.data
;
663 obj
->dst
.net
.data_isset
= 1;
664 if (uri
->port
== 0) {
665 /* Assign default port. */
666 uri
->port
= DEFAULT_NETWORK_DATA_PORT
;
668 if (obj
->dst
.net
.control_isset
&& uri
->port
==
669 obj
->dst
.net
.control
.port
) {
670 ret
= -LTTNG_ERR_INVALID
;
674 DBG3("Consumer data URI set with port %d", uri
->port
);
677 ERR("Set network uri type unknown %d", uri
->stype
);
678 ret
= -LTTNG_ERR_INVALID
;
682 ret
= uri_compare(dst_uri
, uri
);
684 /* Same URI, don't touch it and return success. */
685 DBG3("URI network compare are the same");
689 /* URIs were not equal, replacing it. */
690 memset(dst_uri
, 0, sizeof(struct lttng_uri
));
691 memcpy(dst_uri
, uri
, sizeof(struct lttng_uri
));
692 obj
->type
= CONSUMER_DST_NET
;
694 /* Handle subdir and add hostname in front. */
695 if (dst_uri
->stype
== LTTNG_STREAM_CONTROL
) {
696 /* Get hostname to append it in the pathname */
697 ret
= gethostname(hostname
, sizeof(hostname
));
699 PERROR("gethostname. Fallback on default localhost");
700 strncpy(hostname
, "localhost", sizeof(hostname
));
702 hostname
[sizeof(hostname
) - 1] = '\0';
704 /* Setup consumer subdir if none present in the control URI */
705 if (strlen(dst_uri
->subdir
) == 0) {
706 ret
= snprintf(tmp_path
, sizeof(tmp_path
), "%s/%s",
707 hostname
, obj
->subdir
);
709 ret
= snprintf(tmp_path
, sizeof(tmp_path
), "%s/%s",
710 hostname
, dst_uri
->subdir
);
713 PERROR("snprintf set consumer uri subdir");
714 ret
= -LTTNG_ERR_NOMEM
;
718 if (lttng_strncpy(obj
->dst
.net
.base_dir
, tmp_path
,
719 sizeof(obj
->dst
.net
.base_dir
))) {
720 ret
= -LTTNG_ERR_INVALID
;
723 DBG3("Consumer set network uri base_dir path %s", tmp_path
);
734 * Send file descriptor to consumer via sock.
736 * The consumer socket lock must be held by the caller.
738 int consumer_send_fds(struct consumer_socket
*sock
, int *fds
, size_t nb_fd
)
745 assert(pthread_mutex_trylock(sock
->lock
) == EBUSY
);
747 ret
= lttcomm_send_fds_unix_sock(*sock
->fd_ptr
, fds
, nb_fd
);
749 /* The above call will print a PERROR on error. */
750 DBG("Error when sending consumer fds on sock %d", *sock
->fd_ptr
);
754 ret
= consumer_recv_status_reply(sock
);
760 * Consumer send communication message structure to consumer.
762 * The consumer socket lock must be held by the caller.
764 int consumer_send_msg(struct consumer_socket
*sock
,
765 struct lttcomm_consumer_msg
*msg
)
771 assert(pthread_mutex_trylock(sock
->lock
) == EBUSY
);
773 ret
= consumer_socket_send(sock
, msg
, sizeof(struct lttcomm_consumer_msg
));
778 ret
= consumer_recv_status_reply(sock
);
785 * Consumer send channel communication message structure to consumer.
787 * The consumer socket lock must be held by the caller.
789 int consumer_send_channel(struct consumer_socket
*sock
,
790 struct lttcomm_consumer_msg
*msg
)
797 ret
= consumer_send_msg(sock
, msg
);
807 * Populate the given consumer msg structure with the ask_channel command
810 void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg
*msg
,
811 uint64_t subbuf_size
,
814 unsigned int switch_timer_interval
,
815 unsigned int read_timer_interval
,
816 unsigned int live_timer_interval
,
817 unsigned int monitor_timer_interval
,
821 const char *pathname
,
829 uint64_t tracefile_size
,
830 uint64_t tracefile_count
,
831 uint64_t session_id_per_pid
,
832 unsigned int monitor
,
833 uint32_t ust_app_uid
,
834 int64_t blocking_timeout
,
835 const char *root_shm_path
,
836 const char *shm_path
)
840 /* Zeroed structure */
841 memset(msg
, 0, sizeof(struct lttcomm_consumer_msg
));
843 msg
->cmd_type
= LTTNG_CONSUMER_ASK_CHANNEL_CREATION
;
844 msg
->u
.ask_channel
.subbuf_size
= subbuf_size
;
845 msg
->u
.ask_channel
.num_subbuf
= num_subbuf
;
846 msg
->u
.ask_channel
.overwrite
= overwrite
;
847 msg
->u
.ask_channel
.switch_timer_interval
= switch_timer_interval
;
848 msg
->u
.ask_channel
.read_timer_interval
= read_timer_interval
;
849 msg
->u
.ask_channel
.live_timer_interval
= live_timer_interval
;
850 msg
->u
.ask_channel
.monitor_timer_interval
= monitor_timer_interval
;
851 msg
->u
.ask_channel
.output
= output
;
852 msg
->u
.ask_channel
.type
= type
;
853 msg
->u
.ask_channel
.session_id
= session_id
;
854 msg
->u
.ask_channel
.session_id_per_pid
= session_id_per_pid
;
855 msg
->u
.ask_channel
.uid
= uid
;
856 msg
->u
.ask_channel
.gid
= gid
;
857 msg
->u
.ask_channel
.relayd_id
= relayd_id
;
858 msg
->u
.ask_channel
.key
= key
;
859 msg
->u
.ask_channel
.chan_id
= chan_id
;
860 msg
->u
.ask_channel
.tracefile_size
= tracefile_size
;
861 msg
->u
.ask_channel
.tracefile_count
= tracefile_count
;
862 msg
->u
.ask_channel
.monitor
= monitor
;
863 msg
->u
.ask_channel
.ust_app_uid
= ust_app_uid
;
864 msg
->u
.ask_channel
.blocking_timeout
= blocking_timeout
;
866 memcpy(msg
->u
.ask_channel
.uuid
, uuid
, sizeof(msg
->u
.ask_channel
.uuid
));
869 strncpy(msg
->u
.ask_channel
.pathname
, pathname
,
870 sizeof(msg
->u
.ask_channel
.pathname
));
871 msg
->u
.ask_channel
.pathname
[sizeof(msg
->u
.ask_channel
.pathname
)-1] = '\0';
874 strncpy(msg
->u
.ask_channel
.name
, name
, sizeof(msg
->u
.ask_channel
.name
));
875 msg
->u
.ask_channel
.name
[sizeof(msg
->u
.ask_channel
.name
) - 1] = '\0';
878 strncpy(msg
->u
.ask_channel
.root_shm_path
, root_shm_path
,
879 sizeof(msg
->u
.ask_channel
.root_shm_path
));
880 msg
->u
.ask_channel
.root_shm_path
[sizeof(msg
->u
.ask_channel
.root_shm_path
) - 1] = '\0';
883 strncpy(msg
->u
.ask_channel
.shm_path
, shm_path
,
884 sizeof(msg
->u
.ask_channel
.shm_path
));
885 msg
->u
.ask_channel
.shm_path
[sizeof(msg
->u
.ask_channel
.shm_path
) - 1] = '\0';
890 * Init channel communication message structure.
892 void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg
*msg
,
893 enum lttng_consumer_command cmd
,
894 uint64_t channel_key
,
896 const char *pathname
,
901 unsigned int nb_init_streams
,
902 enum lttng_event_output output
,
904 uint64_t tracefile_size
,
905 uint64_t tracefile_count
,
906 unsigned int monitor
,
907 unsigned int live_timer_interval
,
908 unsigned int monitor_timer_interval
)
912 /* Zeroed structure */
913 memset(msg
, 0, sizeof(struct lttcomm_consumer_msg
));
917 msg
->u
.channel
.channel_key
= channel_key
;
918 msg
->u
.channel
.session_id
= session_id
;
919 msg
->u
.channel
.uid
= uid
;
920 msg
->u
.channel
.gid
= gid
;
921 msg
->u
.channel
.relayd_id
= relayd_id
;
922 msg
->u
.channel
.nb_init_streams
= nb_init_streams
;
923 msg
->u
.channel
.output
= output
;
924 msg
->u
.channel
.type
= type
;
925 msg
->u
.channel
.tracefile_size
= tracefile_size
;
926 msg
->u
.channel
.tracefile_count
= tracefile_count
;
927 msg
->u
.channel
.monitor
= monitor
;
928 msg
->u
.channel
.live_timer_interval
= live_timer_interval
;
929 msg
->u
.channel
.monitor_timer_interval
= monitor_timer_interval
;
931 strncpy(msg
->u
.channel
.pathname
, pathname
,
932 sizeof(msg
->u
.channel
.pathname
));
933 msg
->u
.channel
.pathname
[sizeof(msg
->u
.channel
.pathname
) - 1] = '\0';
935 strncpy(msg
->u
.channel
.name
, name
, sizeof(msg
->u
.channel
.name
));
936 msg
->u
.channel
.name
[sizeof(msg
->u
.channel
.name
) - 1] = '\0';
940 * Init stream communication message structure.
942 void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg
*msg
,
943 enum lttng_consumer_command cmd
,
944 uint64_t channel_key
,
950 memset(msg
, 0, sizeof(struct lttcomm_consumer_msg
));
953 msg
->u
.stream
.channel_key
= channel_key
;
954 msg
->u
.stream
.stream_key
= stream_key
;
955 msg
->u
.stream
.cpu
= cpu
;
958 void consumer_init_streams_sent_comm_msg(struct lttcomm_consumer_msg
*msg
,
959 enum lttng_consumer_command cmd
,
960 uint64_t channel_key
, uint64_t net_seq_idx
)
964 memset(msg
, 0, sizeof(struct lttcomm_consumer_msg
));
967 msg
->u
.sent_streams
.channel_key
= channel_key
;
968 msg
->u
.sent_streams
.net_seq_idx
= net_seq_idx
;
972 * Send stream communication structure to the consumer.
974 int consumer_send_stream(struct consumer_socket
*sock
,
975 struct consumer_output
*dst
, struct lttcomm_consumer_msg
*msg
,
976 int *fds
, size_t nb_fd
)
985 ret
= consumer_send_msg(sock
, msg
);
990 ret
= consumer_send_fds(sock
, fds
, nb_fd
);
1000 * Send relayd socket to consumer associated with a session name.
1002 * The consumer socket lock must be held by the caller.
1004 * On success return positive value. On error, negative value.
1006 int consumer_send_relayd_socket(struct consumer_socket
*consumer_sock
,
1007 struct lttcomm_relayd_sock
*rsock
, struct consumer_output
*consumer
,
1008 enum lttng_stream_type type
, uint64_t session_id
,
1009 char *session_name
, char *hostname
, int session_live_timer
)
1012 struct lttcomm_consumer_msg msg
;
1014 /* Code flow error. Safety net. */
1017 assert(consumer_sock
);
1019 memset(&msg
, 0, sizeof(msg
));
1020 /* Bail out if consumer is disabled */
1021 if (!consumer
->enabled
) {
1026 if (type
== LTTNG_STREAM_CONTROL
) {
1027 ret
= relayd_create_session(rsock
,
1028 &msg
.u
.relayd_sock
.relayd_session_id
,
1029 session_name
, hostname
, session_live_timer
,
1030 consumer
->snapshot
);
1032 /* Close the control socket. */
1033 (void) relayd_close(rsock
);
1038 msg
.cmd_type
= LTTNG_CONSUMER_ADD_RELAYD_SOCKET
;
1040 * Assign network consumer output index using the temporary consumer since
1041 * this call should only be made from within a set_consumer_uri() function
1042 * call in the session daemon.
1044 msg
.u
.relayd_sock
.net_index
= consumer
->net_seq_index
;
1045 msg
.u
.relayd_sock
.type
= type
;
1046 msg
.u
.relayd_sock
.session_id
= session_id
;
1047 memcpy(&msg
.u
.relayd_sock
.sock
, rsock
, sizeof(msg
.u
.relayd_sock
.sock
));
1049 DBG3("Sending relayd sock info to consumer on %d", *consumer_sock
->fd_ptr
);
1050 ret
= consumer_send_msg(consumer_sock
, &msg
);
1055 DBG3("Sending relayd socket file descriptor to consumer");
1056 ret
= consumer_send_fds(consumer_sock
, &rsock
->sock
.fd
, 1);
1061 DBG2("Consumer relayd socket sent");
1068 int consumer_send_pipe(struct consumer_socket
*consumer_sock
,
1069 enum lttng_consumer_command cmd
, int pipe
)
1072 struct lttcomm_consumer_msg msg
;
1073 const char *pipe_name
;
1074 const char *command_name
;
1077 case LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE
:
1078 pipe_name
= "channel monitor";
1079 command_name
= "SET_CHANNEL_MONITOR_PIPE";
1081 case LTTNG_CONSUMER_SET_CHANNEL_ROTATE_PIPE
:
1082 pipe_name
= "channel rotate";
1083 command_name
= "SET_CHANNEL_ROTATE_PIPE";
1086 ERR("Unexpected command received in %s (cmd = %d)", __func__
,
1091 /* Code flow error. Safety net. */
1093 memset(&msg
, 0, sizeof(msg
));
1096 pthread_mutex_lock(consumer_sock
->lock
);
1097 DBG3("Sending %s command to consumer", command_name
);
1098 ret
= consumer_send_msg(consumer_sock
, &msg
);
1103 DBG3("Sending %s pipe %d to consumer on socket %d",
1105 pipe
, *consumer_sock
->fd_ptr
);
1106 ret
= consumer_send_fds(consumer_sock
, &pipe
, 1);
1111 DBG2("%s pipe successfully sent", pipe_name
);
1113 pthread_mutex_unlock(consumer_sock
->lock
);
1117 int consumer_send_channel_monitor_pipe(struct consumer_socket
*consumer_sock
,
1120 return consumer_send_pipe(consumer_sock
,
1121 LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE
, pipe
);
1124 int consumer_send_channel_rotate_pipe(struct consumer_socket
*consumer_sock
,
1127 return consumer_send_pipe(consumer_sock
,
1128 LTTNG_CONSUMER_SET_CHANNEL_ROTATE_PIPE
, pipe
);
1132 * Set consumer subdirectory using the session name and a generated datetime if
1133 * needed. This is appended to the current subdirectory.
1135 int consumer_set_subdir(struct consumer_output
*consumer
,
1136 const char *session_name
)
1139 unsigned int have_default_name
= 0;
1140 char datetime
[16], tmp_path
[PATH_MAX
];
1142 struct tm
*timeinfo
;
1145 assert(session_name
);
1147 memset(tmp_path
, 0, sizeof(tmp_path
));
1149 /* Flag if we have a default session. */
1150 if (strncmp(session_name
, DEFAULT_SESSION_NAME
"-",
1151 strlen(DEFAULT_SESSION_NAME
) + 1) == 0) {
1152 have_default_name
= 1;
1154 /* Get date and time for session path */
1156 timeinfo
= localtime(&rawtime
);
1157 strftime(datetime
, sizeof(datetime
), "%Y%m%d-%H%M%S", timeinfo
);
1160 if (have_default_name
) {
1161 ret
= snprintf(tmp_path
, sizeof(tmp_path
),
1162 "%s/%s", consumer
->subdir
, session_name
);
1164 ret
= snprintf(tmp_path
, sizeof(tmp_path
),
1165 "%s/%s-%s/", consumer
->subdir
, session_name
, datetime
);
1168 PERROR("snprintf session name date");
1172 if (lttng_strncpy(consumer
->subdir
, tmp_path
,
1173 sizeof(consumer
->subdir
))) {
1177 DBG2("Consumer subdir set to %s", consumer
->subdir
);
1184 * Ask the consumer if the data is pending for the specific session id.
1185 * Returns 1 if data is pending, 0 otherwise, or < 0 on error.
1187 int consumer_is_data_pending(uint64_t session_id
,
1188 struct consumer_output
*consumer
)
1191 int32_t ret_code
= 0; /* Default is that the data is NOT pending */
1192 struct consumer_socket
*socket
;
1193 struct lttng_ht_iter iter
;
1194 struct lttcomm_consumer_msg msg
;
1198 DBG3("Consumer data pending for id %" PRIu64
, session_id
);
1200 memset(&msg
, 0, sizeof(msg
));
1201 msg
.cmd_type
= LTTNG_CONSUMER_DATA_PENDING
;
1202 msg
.u
.data_pending
.session_id
= session_id
;
1204 /* Send command for each consumer */
1206 cds_lfht_for_each_entry(consumer
->socks
->ht
, &iter
.iter
, socket
,
1208 pthread_mutex_lock(socket
->lock
);
1209 ret
= consumer_socket_send(socket
, &msg
, sizeof(msg
));
1211 pthread_mutex_unlock(socket
->lock
);
1216 * No need for a recv reply status because the answer to the command is
1217 * the reply status message.
1220 ret
= consumer_socket_recv(socket
, &ret_code
, sizeof(ret_code
));
1222 pthread_mutex_unlock(socket
->lock
);
1225 pthread_mutex_unlock(socket
->lock
);
1227 if (ret_code
== 1) {
1233 DBG("Consumer data is %s pending for session id %" PRIu64
,
1234 ret_code
== 1 ? "" : "NOT", session_id
);
1243 * Send a flush command to consumer using the given channel key.
1245 * Return 0 on success else a negative value.
1247 int consumer_flush_channel(struct consumer_socket
*socket
, uint64_t key
)
1250 struct lttcomm_consumer_msg msg
;
1254 DBG2("Consumer flush channel key %" PRIu64
, key
);
1256 memset(&msg
, 0, sizeof(msg
));
1257 msg
.cmd_type
= LTTNG_CONSUMER_FLUSH_CHANNEL
;
1258 msg
.u
.flush_channel
.key
= key
;
1260 pthread_mutex_lock(socket
->lock
);
1261 health_code_update();
1263 ret
= consumer_send_msg(socket
, &msg
);
1269 health_code_update();
1270 pthread_mutex_unlock(socket
->lock
);
1275 * Send a clear quiescent command to consumer using the given channel key.
1277 * Return 0 on success else a negative value.
1279 int consumer_clear_quiescent_channel(struct consumer_socket
*socket
, uint64_t key
)
1282 struct lttcomm_consumer_msg msg
;
1286 DBG2("Consumer clear quiescent channel key %" PRIu64
, key
);
1288 memset(&msg
, 0, sizeof(msg
));
1289 msg
.cmd_type
= LTTNG_CONSUMER_CLEAR_QUIESCENT_CHANNEL
;
1290 msg
.u
.clear_quiescent_channel
.key
= key
;
1292 pthread_mutex_lock(socket
->lock
);
1293 health_code_update();
1295 ret
= consumer_send_msg(socket
, &msg
);
1301 health_code_update();
1302 pthread_mutex_unlock(socket
->lock
);
1307 * Send a close metadata command to consumer using the given channel key.
1308 * Called with registry lock held.
1310 * Return 0 on success else a negative value.
1312 int consumer_close_metadata(struct consumer_socket
*socket
,
1313 uint64_t metadata_key
)
1316 struct lttcomm_consumer_msg msg
;
1320 DBG2("Consumer close metadata channel key %" PRIu64
, metadata_key
);
1322 memset(&msg
, 0, sizeof(msg
));
1323 msg
.cmd_type
= LTTNG_CONSUMER_CLOSE_METADATA
;
1324 msg
.u
.close_metadata
.key
= metadata_key
;
1326 pthread_mutex_lock(socket
->lock
);
1327 health_code_update();
1329 ret
= consumer_send_msg(socket
, &msg
);
1335 health_code_update();
1336 pthread_mutex_unlock(socket
->lock
);
1341 * Send a setup metdata command to consumer using the given channel key.
1343 * Return 0 on success else a negative value.
1345 int consumer_setup_metadata(struct consumer_socket
*socket
,
1346 uint64_t metadata_key
)
1349 struct lttcomm_consumer_msg msg
;
1353 DBG2("Consumer setup metadata channel key %" PRIu64
, metadata_key
);
1355 memset(&msg
, 0, sizeof(msg
));
1356 msg
.cmd_type
= LTTNG_CONSUMER_SETUP_METADATA
;
1357 msg
.u
.setup_metadata
.key
= metadata_key
;
1359 pthread_mutex_lock(socket
->lock
);
1360 health_code_update();
1362 ret
= consumer_send_msg(socket
, &msg
);
1368 health_code_update();
1369 pthread_mutex_unlock(socket
->lock
);
1374 * Send metadata string to consumer.
1375 * RCU read-side lock must be held to guarantee existence of socket.
1377 * Return 0 on success else a negative value.
1379 int consumer_push_metadata(struct consumer_socket
*socket
,
1380 uint64_t metadata_key
, char *metadata_str
, size_t len
,
1381 size_t target_offset
, uint64_t version
)
1384 struct lttcomm_consumer_msg msg
;
1388 DBG2("Consumer push metadata to consumer socket %d", *socket
->fd_ptr
);
1390 pthread_mutex_lock(socket
->lock
);
1392 memset(&msg
, 0, sizeof(msg
));
1393 msg
.cmd_type
= LTTNG_CONSUMER_PUSH_METADATA
;
1394 msg
.u
.push_metadata
.key
= metadata_key
;
1395 msg
.u
.push_metadata
.target_offset
= target_offset
;
1396 msg
.u
.push_metadata
.len
= len
;
1397 msg
.u
.push_metadata
.version
= version
;
1399 health_code_update();
1400 ret
= consumer_send_msg(socket
, &msg
);
1401 if (ret
< 0 || len
== 0) {
1405 DBG3("Consumer pushing metadata on sock %d of len %zu", *socket
->fd_ptr
,
1408 ret
= consumer_socket_send(socket
, metadata_str
, len
);
1413 health_code_update();
1414 ret
= consumer_recv_status_reply(socket
);
1420 pthread_mutex_unlock(socket
->lock
);
1421 health_code_update();
1426 * Ask the consumer to snapshot a specific channel using the key.
1428 * Return 0 on success or else a negative error.
1430 int consumer_snapshot_channel(struct consumer_socket
*socket
, uint64_t key
,
1431 struct snapshot_output
*output
, int metadata
, uid_t uid
, gid_t gid
,
1432 const char *session_path
, int wait
, uint64_t nb_packets_per_stream
)
1435 struct lttcomm_consumer_msg msg
;
1439 assert(output
->consumer
);
1441 DBG("Consumer snapshot channel key %" PRIu64
, key
);
1443 memset(&msg
, 0, sizeof(msg
));
1444 msg
.cmd_type
= LTTNG_CONSUMER_SNAPSHOT_CHANNEL
;
1445 msg
.u
.snapshot_channel
.key
= key
;
1446 msg
.u
.snapshot_channel
.nb_packets_per_stream
= nb_packets_per_stream
;
1447 msg
.u
.snapshot_channel
.metadata
= metadata
;
1449 if (output
->consumer
->type
== CONSUMER_DST_NET
) {
1450 msg
.u
.snapshot_channel
.relayd_id
= output
->consumer
->net_seq_index
;
1451 msg
.u
.snapshot_channel
.use_relayd
= 1;
1452 ret
= snprintf(msg
.u
.snapshot_channel
.pathname
,
1453 sizeof(msg
.u
.snapshot_channel
.pathname
),
1454 "%s/%s/%s-%s-%" PRIu64
"%s",
1455 output
->consumer
->dst
.net
.base_dir
,
1456 output
->consumer
->subdir
,
1457 output
->name
, output
->datetime
,
1458 output
->nb_snapshot
,
1461 ret
= -LTTNG_ERR_NOMEM
;
1465 ret
= snprintf(msg
.u
.snapshot_channel
.pathname
,
1466 sizeof(msg
.u
.snapshot_channel
.pathname
),
1467 "%s/%s-%s-%" PRIu64
"%s",
1468 output
->consumer
->dst
.session_root_path
,
1469 output
->name
, output
->datetime
,
1470 output
->nb_snapshot
,
1473 ret
= -LTTNG_ERR_NOMEM
;
1476 msg
.u
.snapshot_channel
.relayd_id
= (uint64_t) -1ULL;
1478 /* Create directory. Ignore if exist. */
1479 ret
= run_as_mkdir_recursive(msg
.u
.snapshot_channel
.pathname
,
1480 S_IRWXU
| S_IRWXG
, uid
, gid
);
1482 if (errno
!= EEXIST
) {
1483 ERR("Trace directory creation error");
1489 health_code_update();
1490 pthread_mutex_lock(socket
->lock
);
1491 ret
= consumer_send_msg(socket
, &msg
);
1492 pthread_mutex_unlock(socket
->lock
);
1498 health_code_update();
1503 * Ask the consumer the number of discarded events for a channel.
1505 int consumer_get_discarded_events(uint64_t session_id
, uint64_t channel_key
,
1506 struct consumer_output
*consumer
, uint64_t *discarded
)
1509 struct consumer_socket
*socket
;
1510 struct lttng_ht_iter iter
;
1511 struct lttcomm_consumer_msg msg
;
1515 DBG3("Consumer discarded events id %" PRIu64
, session_id
);
1517 memset(&msg
, 0, sizeof(msg
));
1518 msg
.cmd_type
= LTTNG_CONSUMER_DISCARDED_EVENTS
;
1519 msg
.u
.discarded_events
.session_id
= session_id
;
1520 msg
.u
.discarded_events
.channel_key
= channel_key
;
1524 /* Send command for each consumer */
1526 cds_lfht_for_each_entry(consumer
->socks
->ht
, &iter
.iter
, socket
,
1528 uint64_t consumer_discarded
= 0;
1529 pthread_mutex_lock(socket
->lock
);
1530 ret
= consumer_socket_send(socket
, &msg
, sizeof(msg
));
1532 pthread_mutex_unlock(socket
->lock
);
1537 * No need for a recv reply status because the answer to the
1538 * command is the reply status message.
1540 ret
= consumer_socket_recv(socket
, &consumer_discarded
,
1541 sizeof(consumer_discarded
));
1543 ERR("get discarded events");
1544 pthread_mutex_unlock(socket
->lock
);
1547 pthread_mutex_unlock(socket
->lock
);
1548 *discarded
+= consumer_discarded
;
1551 DBG("Consumer discarded %" PRIu64
" events in session id %" PRIu64
,
1552 *discarded
, session_id
);
1560 * Ask the consumer the number of lost packets for a channel.
1562 int consumer_get_lost_packets(uint64_t session_id
, uint64_t channel_key
,
1563 struct consumer_output
*consumer
, uint64_t *lost
)
1566 struct consumer_socket
*socket
;
1567 struct lttng_ht_iter iter
;
1568 struct lttcomm_consumer_msg msg
;
1572 DBG3("Consumer lost packets id %" PRIu64
, session_id
);
1574 memset(&msg
, 0, sizeof(msg
));
1575 msg
.cmd_type
= LTTNG_CONSUMER_LOST_PACKETS
;
1576 msg
.u
.lost_packets
.session_id
= session_id
;
1577 msg
.u
.lost_packets
.channel_key
= channel_key
;
1581 /* Send command for each consumer */
1583 cds_lfht_for_each_entry(consumer
->socks
->ht
, &iter
.iter
, socket
,
1585 uint64_t consumer_lost
= 0;
1586 pthread_mutex_lock(socket
->lock
);
1587 ret
= consumer_socket_send(socket
, &msg
, sizeof(msg
));
1589 pthread_mutex_unlock(socket
->lock
);
1594 * No need for a recv reply status because the answer to the
1595 * command is the reply status message.
1597 ret
= consumer_socket_recv(socket
, &consumer_lost
,
1598 sizeof(consumer_lost
));
1600 ERR("get lost packets");
1601 pthread_mutex_unlock(socket
->lock
);
1604 pthread_mutex_unlock(socket
->lock
);
1605 *lost
+= consumer_lost
;
1608 DBG("Consumer lost %" PRIu64
" packets in session id %" PRIu64
,
1617 * Ask the consumer to rotate a channel.
1618 * domain_path contains "/kernel" for kernel or the complete path for UST
1619 * (ex: /ust/uid/1000/64-bit);
1621 * The new_chunk_id is the session->rotate_count that has been incremented
1622 * when the rotation started. On the relay, this allows to keep track in which
1623 * chunk each stream is currently writing to (for the rotate_pending operation).
1625 int consumer_rotate_channel(struct consumer_socket
*socket
, uint64_t key
,
1626 uid_t uid
, gid_t gid
, struct consumer_output
*output
,
1627 char *domain_path
, bool is_metadata_channel
,
1628 uint64_t new_chunk_id
,
1629 bool *rotate_pending_relay
)
1632 struct lttcomm_consumer_msg msg
;
1636 DBG("Consumer rotate channel key %" PRIu64
, key
);
1638 pthread_mutex_lock(socket
->lock
);
1639 memset(&msg
, 0, sizeof(msg
));
1640 msg
.cmd_type
= LTTNG_CONSUMER_ROTATE_CHANNEL
;
1641 msg
.u
.rotate_channel
.key
= key
;
1642 msg
.u
.rotate_channel
.metadata
= !!is_metadata_channel
;
1643 msg
.u
.rotate_channel
.new_chunk_id
= new_chunk_id
;
1645 if (output
->type
== CONSUMER_DST_NET
) {
1646 msg
.u
.rotate_channel
.relayd_id
= output
->net_seq_index
;
1647 ret
= snprintf(msg
.u
.rotate_channel
.pathname
,
1648 sizeof(msg
.u
.rotate_channel
.pathname
), "%s%s%s",
1649 output
->dst
.net
.base_dir
,
1650 output
->chunk_path
, domain_path
);
1651 if (ret
< 0 || ret
== sizeof(msg
.u
.rotate_channel
.pathname
)) {
1652 ERR("Failed to format channel path name when asking consumer to rotate channel");
1656 *rotate_pending_relay
= true;
1658 msg
.u
.rotate_channel
.relayd_id
= (uint64_t) -1ULL;
1659 ret
= snprintf(msg
.u
.rotate_channel
.pathname
,
1660 sizeof(msg
.u
.rotate_channel
.pathname
), "%s%s%s",
1661 output
->dst
.session_root_path
,
1662 output
->chunk_path
, domain_path
);
1663 if (ret
< 0 || ret
== sizeof(msg
.u
.rotate_channel
.pathname
)) {
1664 ERR("Failed to format channel path name when asking consumer to rotate channel");
1670 health_code_update();
1671 ret
= consumer_send_msg(socket
, &msg
);
1677 pthread_mutex_unlock(socket
->lock
);
1678 health_code_update();
1682 int consumer_rotate_rename(struct consumer_socket
*socket
, uint64_t session_id
,
1683 const struct consumer_output
*output
, const char *old_path
,
1684 const char *new_path
, uid_t uid
, gid_t gid
)
1687 struct lttcomm_consumer_msg msg
;
1688 size_t old_path_length
, new_path_length
;
1694 DBG("Consumer rotate rename session %" PRIu64
", old path = \"%s\", new_path = \"%s\"",
1695 session_id
, old_path
, new_path
);
1697 old_path_length
= strlen(old_path
);
1698 if (old_path_length
>= sizeof(msg
.u
.rotate_rename
.old_path
)) {
1699 ERR("consumer_rotate_rename: old path length (%zu bytes) exceeds the maximal length allowed by the consumer protocol (%zu bytes)",
1700 old_path_length
+ 1, sizeof(msg
.u
.rotate_rename
.old_path
));
1705 new_path_length
= strlen(new_path
);
1706 if (new_path_length
>= sizeof(msg
.u
.rotate_rename
.new_path
)) {
1707 ERR("consumer_rotate_rename: new path length (%zu bytes) exceeds the maximal length allowed by the consumer protocol (%zu bytes)",
1708 new_path_length
+ 1, sizeof(msg
.u
.rotate_rename
.new_path
));
1713 memset(&msg
, 0, sizeof(msg
));
1714 msg
.cmd_type
= LTTNG_CONSUMER_ROTATE_RENAME
;
1715 msg
.u
.rotate_rename
.session_id
= session_id
;
1716 msg
.u
.rotate_rename
.uid
= uid
;
1717 msg
.u
.rotate_rename
.gid
= gid
;
1718 strcpy(msg
.u
.rotate_rename
.old_path
, old_path
);
1719 strcpy(msg
.u
.rotate_rename
.new_path
, new_path
);
1721 if (output
->type
== CONSUMER_DST_NET
) {
1722 msg
.u
.rotate_rename
.relayd_id
= output
->net_seq_index
;
1724 msg
.u
.rotate_rename
.relayd_id
= -1ULL;
1727 health_code_update();
1728 ret
= consumer_send_msg(socket
, &msg
);
1734 health_code_update();
1739 * Ask the relay if a rotation is still pending. Must be called with the socket
1742 * Return 1 if the rotation is still pending, 0 if finished, a negative value
1745 int consumer_rotate_pending_relay(struct consumer_socket
*socket
,
1746 struct consumer_output
*output
, uint64_t session_id
,
1750 struct lttcomm_consumer_msg msg
;
1751 uint32_t pending
= 0;
1755 DBG("Consumer rotate pending on relay for session %" PRIu64
", chunk id %" PRIu64
,
1756 session_id
, chunk_id
);
1757 assert(output
->type
== CONSUMER_DST_NET
);
1759 memset(&msg
, 0, sizeof(msg
));
1760 msg
.cmd_type
= LTTNG_CONSUMER_ROTATE_PENDING_RELAY
;
1761 msg
.u
.rotate_pending_relay
.session_id
= session_id
;
1762 msg
.u
.rotate_pending_relay
.relayd_id
= output
->net_seq_index
;
1763 msg
.u
.rotate_pending_relay
.chunk_id
= chunk_id
;
1765 health_code_update();
1766 ret
= consumer_send_msg(socket
, &msg
);
1771 ret
= consumer_socket_recv(socket
, &pending
, sizeof(pending
));
1779 health_code_update();
1784 * Ask the consumer to create a directory.
1786 * Called with the consumer socket lock held.
1788 int consumer_mkdir(struct consumer_socket
*socket
, uint64_t session_id
,
1789 const struct consumer_output
*output
, const char *path
,
1790 uid_t uid
, gid_t gid
)
1793 struct lttcomm_consumer_msg msg
;
1797 DBG("Consumer mkdir %s in session %" PRIu64
, path
, session_id
);
1799 memset(&msg
, 0, sizeof(msg
));
1800 msg
.cmd_type
= LTTNG_CONSUMER_MKDIR
;
1801 msg
.u
.mkdir
.session_id
= session_id
;
1802 msg
.u
.mkdir
.uid
= uid
;
1803 msg
.u
.mkdir
.gid
= gid
;
1804 ret
= snprintf(msg
.u
.mkdir
.path
, sizeof(msg
.u
.mkdir
.path
), "%s", path
);
1805 if (ret
< 0 || ret
>= sizeof(msg
.u
.mkdir
.path
)) {
1811 if (output
->type
== CONSUMER_DST_NET
) {
1812 msg
.u
.mkdir
.relayd_id
= output
->net_seq_index
;
1814 msg
.u
.mkdir
.relayd_id
= -1ULL;
1817 health_code_update();
1818 ret
= consumer_send_msg(socket
, &msg
);
1824 health_code_update();