2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 * Julien Desfossez <julien.desfossez@polymtl.ca>
4 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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.
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
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.
21 * This header is meant for liblttng and libust internal use ONLY. These
22 * declarations should NOT be considered stable API.
25 #ifndef _LTTNG_SESSIOND_COMM_H
26 #define _LTTNG_SESSIOND_COMM_H
29 #include <lttng/lttng.h>
30 #include <lttng/snapshot-internal.h>
31 #include <lttng/save-internal.h>
32 #include <lttng/channel-internal.h>
33 #include <lttng/trigger/trigger-internal.h>
34 #include <lttng/rotate-internal.h>
35 #include <common/compat/socket.h>
36 #include <common/uri.h>
37 #include <common/defaults.h>
38 #include <common/compat/uuid.h>
40 #include <arpa/inet.h>
41 #include <netinet/in.h>
46 #include <common/unix.h>
48 /* Queue size of listen(2) */
49 #define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
51 /* Maximum number of FDs that can be sent over a Unix socket */
52 #define LTTCOMM_MAX_SEND_FDS 4
55 * Get the error code index from 0 since LTTCOMM_OK start at 1000
57 #define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_CONSUMERD_COMMAND_SOCK_READY)
59 enum lttcomm_sessiond_command
{
61 LTTNG_ADD_CONTEXT
= 0,
62 /* LTTNG_CALIBRATE used to be here */
63 LTTNG_DISABLE_CHANNEL
= 2,
64 LTTNG_DISABLE_EVENT
= 3,
65 LTTNG_LIST_SYSCALLS
= 4,
66 LTTNG_ENABLE_CHANNEL
= 5,
67 LTTNG_ENABLE_EVENT
= 6,
69 /* Session daemon command */
70 LTTNG_CREATE_SESSION
= 8,
71 LTTNG_DESTROY_SESSION
= 9,
72 LTTNG_LIST_CHANNELS
= 10,
73 LTTNG_LIST_DOMAINS
= 11,
74 LTTNG_LIST_EVENTS
= 12,
75 LTTNG_LIST_SESSIONS
= 13,
76 LTTNG_LIST_TRACEPOINTS
= 14,
77 LTTNG_REGISTER_CONSUMER
= 15,
78 LTTNG_START_TRACE
= 16,
79 LTTNG_STOP_TRACE
= 17,
80 LTTNG_LIST_TRACEPOINT_FIELDS
= 18,
83 LTTNG_DISABLE_CONSUMER
= 19,
84 LTTNG_ENABLE_CONSUMER
= 20,
85 LTTNG_SET_CONSUMER_URI
= 21,
88 LTTNG_DATA_PENDING
= 24,
89 LTTNG_SNAPSHOT_ADD_OUTPUT
= 25,
90 LTTNG_SNAPSHOT_DEL_OUTPUT
= 26,
91 LTTNG_SNAPSHOT_LIST_OUTPUT
= 27,
92 LTTNG_SNAPSHOT_RECORD
= 28,
93 LTTNG_CREATE_SESSION_SNAPSHOT
= 29,
94 LTTNG_CREATE_SESSION_LIVE
= 30,
95 LTTNG_SAVE_SESSION
= 31,
97 LTTNG_UNTRACK_PID
= 33,
98 LTTNG_LIST_TRACKER_PIDS
= 34,
99 LTTNG_SET_SESSION_SHM_PATH
= 40,
100 LTTNG_REGENERATE_METADATA
= 41,
101 LTTNG_REGENERATE_STATEDUMP
= 42,
102 LTTNG_REGISTER_TRIGGER
= 43,
103 LTTNG_UNREGISTER_TRIGGER
= 44,
104 LTTNG_ROTATE_SESSION
= 45,
105 LTTNG_ROTATION_GET_INFO
= 46,
106 LTTNG_ROTATION_SET_SCHEDULE
= 47,
107 LTTNG_SESSION_LIST_ROTATION_SCHEDULES
= 48,
108 LTTNG_CLEAR_SESSION
= 49,
111 enum lttcomm_relayd_command
{
112 RELAYD_ADD_STREAM
= 1,
113 RELAYD_CREATE_SESSION
= 2,
114 RELAYD_START_DATA
= 3,
115 RELAYD_UPDATE_SYNC_INFO
= 4,
117 RELAYD_SEND_METADATA
= 6,
118 RELAYD_CLOSE_STREAM
= 7,
119 RELAYD_DATA_PENDING
= 8,
120 RELAYD_QUIESCENT_CONTROL
= 9,
121 RELAYD_BEGIN_DATA_PENDING
= 10,
122 RELAYD_END_DATA_PENDING
= 11,
123 RELAYD_ADD_INDEX
= 12,
124 RELAYD_SEND_INDEX
= 13,
125 RELAYD_CLOSE_INDEX
= 14,
126 /* Live-reading commands (2.4+). */
127 RELAYD_LIST_SESSIONS
= 15,
128 /* All streams of the channel have been sent to the relayd (2.4+). */
129 RELAYD_STREAMS_SENT
= 16,
130 /* Ask the relay to reset the metadata trace file (2.8+) */
131 RELAYD_RESET_METADATA
= 17,
132 /* Ask the relay to rotate a stream file (2.11+) */
133 RELAYD_ROTATE_STREAM
= 18,
134 /* Rename a chunk after the rotation is completed (2.11+) */
135 RELAYD_ROTATE_RENAME
= 19,
136 /* Check if a chunk has data pending (2.11+) */
137 RELAYD_ROTATE_PENDING
= 20,
138 /* Create a folder on the relayd FS (2.11+) */
143 * lttcomm error code.
145 enum lttcomm_return_code
{
146 LTTCOMM_CONSUMERD_SUCCESS
= 0, /* Everything went fine. */
147 LTTCOMM_CONSUMERD_COMMAND_SOCK_READY
= 1, /* Command socket ready */
148 LTTCOMM_CONSUMERD_SUCCESS_RECV_FD
, /* Success on receiving fds */
149 LTTCOMM_CONSUMERD_ERROR_RECV_FD
, /* Error on receiving fds */
150 LTTCOMM_CONSUMERD_ERROR_RECV_CMD
, /* Error on receiving command */
151 LTTCOMM_CONSUMERD_POLL_ERROR
, /* Error in polling thread */
152 LTTCOMM_CONSUMERD_POLL_NVAL
, /* Poll on closed fd */
153 LTTCOMM_CONSUMERD_POLL_HUP
, /* All fds have hungup */
154 LTTCOMM_CONSUMERD_EXIT_SUCCESS
, /* Consumerd exiting normally */
155 LTTCOMM_CONSUMERD_EXIT_FAILURE
, /* Consumerd exiting on error */
156 LTTCOMM_CONSUMERD_OUTFD_ERROR
, /* Error opening the tracefile */
157 LTTCOMM_CONSUMERD_SPLICE_EBADF
, /* EBADF from splice(2) */
158 LTTCOMM_CONSUMERD_SPLICE_EINVAL
, /* EINVAL from splice(2) */
159 LTTCOMM_CONSUMERD_SPLICE_ENOMEM
, /* ENOMEM from splice(2) */
160 LTTCOMM_CONSUMERD_SPLICE_ESPIPE
, /* ESPIPE from splice(2) */
161 LTTCOMM_CONSUMERD_ENOMEM
, /* Consumer is out of memory */
162 LTTCOMM_CONSUMERD_ERROR_METADATA
, /* Error with metadata. */
163 LTTCOMM_CONSUMERD_FATAL
, /* Fatal error. */
164 LTTCOMM_CONSUMERD_RELAYD_FAIL
, /* Error on remote relayd */
165 LTTCOMM_CONSUMERD_CHANNEL_FAIL
, /* Channel creation failed. */
166 LTTCOMM_CONSUMERD_CHAN_NOT_FOUND
, /* Channel not found. */
167 LTTCOMM_CONSUMERD_ALREADY_SET
, /* Resource already set. */
168 LTTCOMM_CONSUMERD_ROTATION_FAIL
, /* Rotation has failed. */
169 LTTCOMM_CONSUMERD_ROTATE_RENAME_FAILED
, /* Rotation rename has failed. */
170 LTTCOMM_CONSUMERD_ROTATION_PENDING_LOCAL_FAILED
, /* Rotation pending relay failed. */
171 LTTCOMM_CONSUMERD_ROTATION_PENDING_RELAY_FAILED
, /* Rotation pending relay failed. */
172 LTTCOMM_CONSUMERD_MKDIR_FAILED
, /* mkdir has failed. */
173 LTTCOMM_CONSUMERD_SNAPSHOT_FAILED
, /* snapshot has failed. */
174 LTTCOMM_CONSUMERD_RELAYD_DISALLOW_CLEAR
, /* Relayd does not accept clear command. */
176 /* MUST be last element */
177 LTTCOMM_NR
, /* Last element */
180 /* lttng socket protocol. */
181 enum lttcomm_sock_proto
{
187 * Index in the net_families array below. Please keep in sync!
189 enum lttcomm_sock_domain
{
194 enum lttcomm_metadata_command
{
195 LTTCOMM_METADATA_REQUEST
= 1,
199 * Commands sent from the consumerd to the sessiond to request if new metadata
200 * is available. This message is used to find the per UID _or_ per PID registry
201 * for the channel key. For per UID lookup, the triplet
202 * bits_per_long/uid/session_id is used. On lookup failure, we search for the
203 * per PID registry indexed by session id ignoring the other values.
205 struct lttcomm_metadata_request_msg
{
206 uint64_t session_id
; /* Tracing session id */
207 uint64_t session_id_per_pid
; /* Tracing session id for per-pid */
208 uint32_t bits_per_long
; /* Consumer ABI */
210 uint64_t key
; /* Metadata channel key. */
213 struct lttcomm_sockaddr
{
214 enum lttcomm_sock_domain type
;
216 struct sockaddr_in sin
;
217 struct sockaddr_in6 sin6
;
221 struct lttcomm_sock
{
223 enum lttcomm_sock_proto proto
;
224 struct lttcomm_sockaddr sockaddr
;
225 const struct lttcomm_proto_ops
*ops
;
229 * Relayd sock. Adds the protocol version to use for the communications with
232 struct lttcomm_relayd_sock
{
233 struct lttcomm_sock sock
;
238 struct lttcomm_net_family
{
240 int (*create
) (struct lttcomm_sock
*sock
, int type
, int proto
);
243 struct lttcomm_proto_ops
{
244 int (*bind
) (struct lttcomm_sock
*sock
);
245 int (*close
) (struct lttcomm_sock
*sock
);
246 int (*connect
) (struct lttcomm_sock
*sock
);
247 struct lttcomm_sock
*(*accept
) (struct lttcomm_sock
*sock
);
248 int (*listen
) (struct lttcomm_sock
*sock
, int backlog
);
249 ssize_t (*recvmsg
) (struct lttcomm_sock
*sock
, void *buf
, size_t len
,
251 ssize_t (*sendmsg
) (struct lttcomm_sock
*sock
, const void *buf
,
252 size_t len
, int flags
);
256 * Data structure received from lttng client to session daemon.
258 struct lttcomm_session_msg
{
259 uint32_t cmd_type
; /* enum lttcomm_sessiond_command */
260 struct lttng_session session
;
261 struct lttng_domain domain
;
265 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
266 struct lttng_event event LTTNG_PACKED
;
267 /* Length of following filter expression. */
268 uint32_t expression_len
;
269 /* Length of following bytecode for filter. */
270 uint32_t bytecode_len
;
271 /* Exclusion count (fixed-size strings). */
272 uint32_t exclusion_count
;
273 /* Userspace probe location size. */
274 uint32_t userspace_probe_location_len
;
276 * After this structure, the following variable-length
277 * items are transmitted:
278 * - char exclusion_names[LTTNG_SYMBOL_NAME_LEN][exclusion_count]
279 * - char filter_expression[expression_len]
280 * - unsigned char filter_bytecode[bytecode_len]
282 } LTTNG_PACKED enable
;
284 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
285 struct lttng_event event LTTNG_PACKED
;
286 /* Length of following filter expression. */
287 uint32_t expression_len
;
288 /* Length of following bytecode for filter. */
289 uint32_t bytecode_len
;
291 * After this structure, the following variable-length
292 * items are transmitted:
293 * - unsigned char filter_expression[expression_len]
294 * - unsigned char filter_bytecode[bytecode_len]
296 } LTTNG_PACKED disable
;
299 struct lttng_channel chan LTTNG_PACKED
;
300 /* struct lttng_channel_extended is already packed. */
301 struct lttng_channel_extended extended
;
302 } LTTNG_PACKED channel
;
305 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
306 struct lttng_event_context ctx LTTNG_PACKED
;
307 uint32_t provider_name_len
;
308 uint32_t context_name_len
;
309 } LTTNG_PACKED context
;
310 /* Use by register_consumer */
316 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
318 struct lttng_calibrate calibrate
;
319 /* Used by the set_consumer_url and used by create_session also call */
321 /* Number of lttng_uri following */
325 struct lttng_snapshot_output output LTTNG_PACKED
;
326 } LTTNG_PACKED snapshot_output
;
329 struct lttng_snapshot_output output LTTNG_PACKED
;
330 } LTTNG_PACKED snapshot_record
;
333 unsigned int timer_interval
; /* usec */
334 } LTTNG_PACKED session_live
;
336 struct lttng_save_session_attr attr
; /* struct already packed */
337 } LTTNG_PACKED save_session
;
339 char shm_path
[PATH_MAX
];
340 } LTTNG_PACKED set_shm_path
;
343 } LTTNG_PACKED pid_tracker
;
346 } LTTNG_PACKED trigger
;
348 uint64_t rotation_id
;
349 } LTTNG_PACKED get_rotation_info
;
351 /* enum lttng_rotation_schedule_type */
354 * If set == 1, set schedule to value, if set == 0,
355 * clear this schedule type.
359 } LTTNG_PACKED rotation_set_schedule
;
363 #define LTTNG_FILTER_MAX_LEN 65536
366 * Filter bytecode data. The reloc table is located at the end of the
367 * bytecode. It is made of tuples: (uint16_t, var. len. string). It
368 * starts at reloc_table_offset.
370 #define LTTNG_FILTER_PADDING 32
371 struct lttng_filter_bytecode
{
372 uint32_t len
; /* len of data */
373 uint32_t reloc_table_offset
;
375 char padding
[LTTNG_FILTER_PADDING
];
380 * Event exclusion data. At the end of the structure, there will actually
381 * by zero or more names, where the actual number of names is given by
382 * the 'count' item of the structure.
384 #define LTTNG_EVENT_EXCLUSION_PADDING 32
385 struct lttng_event_exclusion
{
387 char padding
[LTTNG_EVENT_EXCLUSION_PADDING
];
388 char names
[0][LTTNG_SYMBOL_NAME_LEN
];
391 #define LTTNG_EVENT_EXCLUSION_NAME_AT(_exclusion, _i) \
392 (&(_exclusion)->names[_i][0])
395 * Event command header.
397 struct lttcomm_event_command_header
{
398 /* Number of events */
403 * Event extended info header. This is the structure preceding each
404 * extended info data.
406 struct lttcomm_event_extended_header
{
408 * Size of filter string immediately following this header.
409 * This size includes the terminal null character.
414 * Number of exclusion names, immediately following the filter
415 * string. Each exclusion name has a fixed length of
416 * LTTNG_SYMBOL_NAME_LEN bytes, including the terminal null
419 uint32_t nb_exclusions
;
422 * Size of the event's userspace probe location (if applicable).
424 uint32_t userspace_probe_location_len
;
428 * Data structure for the response from sessiond to the lttng client.
430 struct lttcomm_lttng_msg
{
431 uint32_t cmd_type
; /* enum lttcomm_sessiond_command */
432 uint32_t ret_code
; /* enum lttcomm_return_code */
433 uint32_t pid
; /* pid_t */
434 uint32_t cmd_header_size
;
438 struct lttcomm_lttng_output_id
{
443 * lttcomm_consumer_msg is the message sent from sessiond to consumerd
444 * to either add a channel, add a stream, update a stream, or stop
447 struct lttcomm_consumer_msg
{
448 uint32_t cmd_type
; /* enum lttng_consumer_command */
451 uint64_t channel_key
;
453 char pathname
[PATH_MAX
];
457 /* nb_init_streams is the number of streams open initially. */
458 uint32_t nb_init_streams
;
459 char name
[LTTNG_SYMBOL_NAME_LEN
];
460 /* Use splice or mmap to consume this fd */
461 enum lttng_event_output output
;
462 int type
; /* Per cpu or metadata. */
463 uint64_t tracefile_size
; /* bytes */
464 uint32_t tracefile_count
; /* number of tracefiles */
465 /* If the channel's streams have to be monitored or not. */
467 /* timer to check the streams usage in live mode (usec). */
468 unsigned int live_timer_interval
;
469 /* timer to sample a channel's positions (usec). */
470 unsigned int monitor_timer_interval
;
471 } LTTNG_PACKED channel
; /* Only used by Kernel. */
474 uint64_t channel_key
;
475 int32_t cpu
; /* On which CPU this stream is assigned. */
476 /* Tells the consumer if the stream should be or not monitored. */
479 * The archive id that was "current" at the time this
480 * stream was created. This is used to determine
481 * whether a rotation request was sent before or after
482 * the creation of a stream.
484 uint64_t trace_archive_id
;
485 } LTTNG_PACKED stream
; /* Only used by Kernel. */
488 enum lttng_stream_type type
;
489 /* Open socket to the relayd */
490 struct lttcomm_relayd_sock sock
;
491 /* Tracing session id associated to the relayd. */
493 /* Relayd session id, only used with control socket. */
494 uint64_t relayd_session_id
;
495 } LTTNG_PACKED relayd_sock
;
497 uint64_t net_seq_idx
;
498 } LTTNG_PACKED destroy_relayd
;
501 } LTTNG_PACKED data_pending
;
503 uint64_t subbuf_size
; /* bytes */
504 uint64_t num_subbuf
; /* power of 2 */
505 int32_t overwrite
; /* 1: overwrite, 0: discard */
506 uint32_t switch_timer_interval
; /* usec */
507 uint32_t read_timer_interval
; /* usec */
508 unsigned int live_timer_interval
; /* usec */
509 uint32_t monitor_timer_interval
; /* usec */
510 int32_t output
; /* splice, mmap */
511 int32_t type
; /* metadata or per_cpu */
512 uint64_t session_id
; /* Tracing session id */
513 char pathname
[PATH_MAX
]; /* Channel file path. */
514 char name
[LTTNG_SYMBOL_NAME_LEN
]; /* Channel name. */
515 uint32_t uid
; /* User ID of the session */
516 uint32_t gid
; /* Group ID ot the session */
517 uint64_t relayd_id
; /* Relayd id if apply. */
518 uint64_t key
; /* Unique channel key. */
519 unsigned char uuid
[UUID_LEN
]; /* uuid for ust tracer. */
520 uint32_t chan_id
; /* Channel ID on the tracer side. */
521 uint64_t tracefile_size
; /* bytes */
522 uint32_t tracefile_count
; /* number of tracefiles */
523 uint64_t session_id_per_pid
; /* Per-pid session ID. */
524 /* Tells the consumer if the stream should be or not monitored. */
527 * For UST per UID buffers, this is the application UID of the
528 * channel. This can be different from the user UID requesting the
529 * channel creation and used for the rights on the stream file
530 * because the application can be in the tracing for instance.
532 uint32_t ust_app_uid
;
533 int64_t blocking_timeout
;
535 * The archive id that was "current" at the time this
536 * channel was created. This is used to determine
537 * whether a rotation request was sent before or after
538 * the creation of a channel.
540 uint64_t trace_archive_id
;
541 char root_shm_path
[PATH_MAX
];
542 char shm_path
[PATH_MAX
];
543 } LTTNG_PACKED ask_channel
;
546 } LTTNG_PACKED get_channel
;
549 } LTTNG_PACKED destroy_channel
;
551 uint64_t key
; /* Metadata channel key. */
552 uint64_t target_offset
; /* Offset in the consumer */
553 uint64_t len
; /* Length of metadata to be received. */
554 uint64_t version
; /* Version of the metadata. */
555 } LTTNG_PACKED push_metadata
;
557 uint64_t key
; /* Metadata channel key. */
558 } LTTNG_PACKED close_metadata
;
560 uint64_t key
; /* Metadata channel key. */
561 } LTTNG_PACKED setup_metadata
;
563 uint64_t key
; /* Channel key. */
564 } LTTNG_PACKED flush_channel
;
566 uint64_t key
; /* Channel key. */
567 } LTTNG_PACKED clear_quiescent_channel
;
569 char pathname
[PATH_MAX
];
570 /* Indicate if the snapshot goes on the relayd or locally. */
572 uint32_t metadata
; /* This a metadata snapshot. */
573 uint64_t relayd_id
; /* Relayd id if apply. */
575 uint64_t nb_packets_per_stream
;
577 * The session's current trace archive id is propagated
578 * since a snapshot triggers the creation of an
579 * ephemeral metadata stream.
581 uint64_t trace_archive_id
;
582 } LTTNG_PACKED snapshot_channel
;
584 uint64_t channel_key
;
585 uint64_t net_seq_idx
;
586 } LTTNG_PACKED sent_streams
;
589 uint64_t channel_key
;
590 } LTTNG_PACKED discarded_events
;
593 uint64_t channel_key
;
594 } LTTNG_PACKED lost_packets
;
597 } LTTNG_PACKED regenerate_metadata
;
599 char pathname
[PATH_MAX
];
600 uint32_t metadata
; /* This is a metadata channel. */
601 uint64_t relayd_id
; /* Relayd id if apply. */
603 uint64_t new_chunk_id
;
604 } LTTNG_PACKED rotate_channel
;
606 char old_path
[LTTNG_PATH_MAX
];
607 char new_path
[LTTNG_PATH_MAX
];
608 uint64_t relayd_id
; /* Relayd id if apply. */
612 } LTTNG_PACKED rotate_rename
;
616 } LTTNG_PACKED check_rotation_pending_local
;
621 } LTTNG_PACKED check_rotation_pending_relay
;
623 char path
[LTTNG_PATH_MAX
];
624 uint64_t relayd_id
; /* Relayd id if apply. */
628 } LTTNG_PACKED mkdir
;
631 } LTTNG_PACKED clear_channel
;
636 * Channel monitoring message returned to the session daemon on every
637 * monitor timer expiration.
639 struct lttcomm_consumer_channel_monitor_msg
{
640 /* Key of the sampled channel. */
643 * Lowest and highest usage (bytes) at the moment the sample was taken.
645 uint64_t lowest
, highest
;
647 * Sum of all the consumed positions for a channel.
649 uint64_t total_consumed
;
653 * Status message returned to the sessiond after a received command.
655 struct lttcomm_consumer_status_msg
{
656 enum lttcomm_return_code ret_code
;
659 struct lttcomm_consumer_status_channel
{
660 enum lttcomm_return_code ret_code
;
662 unsigned int stream_count
;
665 #ifdef HAVE_LIBLTTNG_UST_CTL
667 #include <lttng/ust-abi.h>
670 * Data structure for the commands sent from sessiond to UST.
672 struct lttcomm_ust_msg
{
676 struct lttng_ust_channel channel
;
677 struct lttng_ust_stream stream
;
678 struct lttng_ust_event event
;
679 struct lttng_ust_context context
;
680 struct lttng_ust_tracer_version version
;
685 * Data structure for the response from UST to the session daemon.
686 * cmd_type is sent back in the reply for validation.
688 struct lttcomm_ust_reply
{
691 uint32_t ret_code
; /* enum lttcomm_return_code */
692 uint32_t ret_val
; /* return value */
695 uint64_t memory_map_size
;
696 } LTTNG_PACKED channel
;
698 uint64_t memory_map_size
;
699 } LTTNG_PACKED stream
;
700 struct lttng_ust_tracer_version version
;
704 #endif /* HAVE_LIBLTTNG_UST_CTL */
706 LTTNG_HIDDEN
const char *lttcomm_get_readable_code(enum lttcomm_return_code code
);
708 LTTNG_HIDDEN
int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr
*sockaddr
,
709 const char *ip
, unsigned int port
);
710 LTTNG_HIDDEN
int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr
*sockaddr
,
711 const char *ip
, unsigned int port
);
713 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_sock(enum lttcomm_sock_proto proto
);
714 LTTNG_HIDDEN
int lttcomm_create_sock(struct lttcomm_sock
*sock
);
715 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_sock_from_uri(struct lttng_uri
*uri
);
716 LTTNG_HIDDEN
void lttcomm_destroy_sock(struct lttcomm_sock
*sock
);
717 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_copy_sock(struct lttcomm_sock
*src
);
718 LTTNG_HIDDEN
void lttcomm_copy_sock(struct lttcomm_sock
*dst
,
719 struct lttcomm_sock
*src
);
721 /* Relayd socket object. */
722 LTTNG_HIDDEN
struct lttcomm_relayd_sock
*lttcomm_alloc_relayd_sock(
723 struct lttng_uri
*uri
, uint32_t major
, uint32_t minor
);
725 LTTNG_HIDDEN
int lttcomm_setsockopt_rcv_timeout(int sock
, unsigned int msec
);
726 LTTNG_HIDDEN
int lttcomm_setsockopt_snd_timeout(int sock
, unsigned int msec
);
728 LTTNG_HIDDEN
int lttcomm_sock_get_port(const struct lttcomm_sock
*sock
,
731 * Set a port to an lttcomm_sock. This will have no effect is the socket is
734 LTTNG_HIDDEN
int lttcomm_sock_set_port(struct lttcomm_sock
*sock
, uint16_t port
);
736 LTTNG_HIDDEN
void lttcomm_init(void);
737 /* Get network timeout, in milliseconds */
738 LTTNG_HIDDEN
unsigned long lttcomm_get_network_timeout(void);
740 #endif /* _LTTNG_SESSIOND_COMM_H */