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>
39 #include <common/macros.h>
41 #include <arpa/inet.h>
42 #include <netinet/in.h>
47 #include <common/unix.h>
49 /* Queue size of listen(2) */
50 #define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
52 /* Maximum number of FDs that can be sent over a Unix socket */
53 #define LTTCOMM_MAX_SEND_FDS 4
56 * Get the error code index from 0 since LTTCOMM_OK start at 1000
58 #define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_CONSUMERD_COMMAND_SOCK_READY)
60 enum lttcomm_sessiond_command
{
62 LTTNG_ADD_CONTEXT
= 0,
63 /* LTTNG_CALIBRATE used to be here */
64 LTTNG_DISABLE_CHANNEL
= 2,
65 LTTNG_DISABLE_EVENT
= 3,
66 LTTNG_LIST_SYSCALLS
= 4,
67 LTTNG_ENABLE_CHANNEL
= 5,
68 LTTNG_ENABLE_EVENT
= 6,
70 /* Session daemon command */
71 LTTNG_CREATE_SESSION
= 8,
72 LTTNG_DESTROY_SESSION
= 9,
73 LTTNG_LIST_CHANNELS
= 10,
74 LTTNG_LIST_DOMAINS
= 11,
75 LTTNG_LIST_EVENTS
= 12,
76 LTTNG_LIST_SESSIONS
= 13,
77 LTTNG_LIST_TRACEPOINTS
= 14,
78 LTTNG_REGISTER_CONSUMER
= 15,
79 LTTNG_START_TRACE
= 16,
80 LTTNG_STOP_TRACE
= 17,
81 LTTNG_LIST_TRACEPOINT_FIELDS
= 18,
84 LTTNG_DISABLE_CONSUMER
= 19,
85 LTTNG_ENABLE_CONSUMER
= 20,
86 LTTNG_SET_CONSUMER_URI
= 21,
89 LTTNG_DATA_PENDING
= 24,
90 LTTNG_SNAPSHOT_ADD_OUTPUT
= 25,
91 LTTNG_SNAPSHOT_DEL_OUTPUT
= 26,
92 LTTNG_SNAPSHOT_LIST_OUTPUT
= 27,
93 LTTNG_SNAPSHOT_RECORD
= 28,
94 LTTNG_CREATE_SESSION_SNAPSHOT
= 29,
95 LTTNG_CREATE_SESSION_LIVE
= 30,
96 LTTNG_SAVE_SESSION
= 31,
98 LTTNG_UNTRACK_PID
= 33,
99 LTTNG_LIST_TRACKER_PIDS
= 34,
100 LTTNG_SET_SESSION_SHM_PATH
= 40,
101 LTTNG_REGENERATE_METADATA
= 41,
102 LTTNG_REGENERATE_STATEDUMP
= 42,
103 LTTNG_REGISTER_TRIGGER
= 43,
104 LTTNG_UNREGISTER_TRIGGER
= 44,
105 LTTNG_ROTATE_SESSION
= 45,
106 LTTNG_ROTATION_GET_INFO
= 46,
107 LTTNG_ROTATION_SET_SCHEDULE
= 47,
108 LTTNG_SESSION_LIST_ROTATION_SCHEDULES
= 48,
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. */
175 /* MUST be last element */
176 LTTCOMM_NR
, /* Last element */
179 /* lttng socket protocol. */
180 enum lttcomm_sock_proto
{
186 * Index in the net_families array below. Please keep in sync!
188 enum lttcomm_sock_domain
{
193 enum lttcomm_metadata_command
{
194 LTTCOMM_METADATA_REQUEST
= 1,
198 * Commands sent from the consumerd to the sessiond to request if new metadata
199 * is available. This message is used to find the per UID _or_ per PID registry
200 * for the channel key. For per UID lookup, the triplet
201 * bits_per_long/uid/session_id is used. On lookup failure, we search for the
202 * per PID registry indexed by session id ignoring the other values.
204 struct lttcomm_metadata_request_msg
{
205 uint64_t session_id
; /* Tracing session id */
206 uint64_t session_id_per_pid
; /* Tracing session id for per-pid */
207 uint32_t bits_per_long
; /* Consumer ABI */
209 uint64_t key
; /* Metadata channel key. */
212 struct lttcomm_sockaddr
{
213 enum lttcomm_sock_domain type
;
215 struct sockaddr_in sin
;
216 struct sockaddr_in6 sin6
;
220 struct lttcomm_sock
{
222 enum lttcomm_sock_proto proto
;
223 struct lttcomm_sockaddr sockaddr
;
224 const struct lttcomm_proto_ops
*ops
;
228 * Relayd sock. Adds the protocol version to use for the communications with
231 struct lttcomm_relayd_sock
{
232 struct lttcomm_sock sock
;
237 struct lttcomm_net_family
{
239 int (*create
) (struct lttcomm_sock
*sock
, int type
, int proto
);
242 struct lttcomm_proto_ops
{
243 int (*bind
) (struct lttcomm_sock
*sock
);
244 int (*close
) (struct lttcomm_sock
*sock
);
245 int (*connect
) (struct lttcomm_sock
*sock
);
246 struct lttcomm_sock
*(*accept
) (struct lttcomm_sock
*sock
);
247 int (*listen
) (struct lttcomm_sock
*sock
, int backlog
);
248 ssize_t (*recvmsg
) (struct lttcomm_sock
*sock
, void *buf
, size_t len
,
250 ssize_t (*sendmsg
) (struct lttcomm_sock
*sock
, const void *buf
,
251 size_t len
, int flags
);
255 * Data structure received from lttng client to session daemon.
257 struct lttcomm_session_msg
{
258 uint32_t cmd_type
; /* enum lttcomm_sessiond_command */
259 struct lttng_session session
;
260 struct lttng_domain domain
;
264 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
265 struct lttng_event event LTTNG_PACKED
;
266 /* Length of following filter expression. */
267 uint32_t expression_len
;
268 /* Length of following bytecode for filter. */
269 uint32_t bytecode_len
;
270 /* Exclusion count (fixed-size strings). */
271 uint32_t exclusion_count
;
272 /* Userspace probe location size. */
273 uint32_t userspace_probe_location_len
;
275 * After this structure, the following variable-length
276 * items are transmitted:
277 * - char exclusion_names[LTTNG_SYMBOL_NAME_LEN][exclusion_count]
278 * - char filter_expression[expression_len]
279 * - unsigned char filter_bytecode[bytecode_len]
281 } LTTNG_PACKED enable
;
283 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
284 struct lttng_event event LTTNG_PACKED
;
285 /* Length of following filter expression. */
286 uint32_t expression_len
;
287 /* Length of following bytecode for filter. */
288 uint32_t bytecode_len
;
290 * After this structure, the following variable-length
291 * items are transmitted:
292 * - unsigned char filter_expression[expression_len]
293 * - unsigned char filter_bytecode[bytecode_len]
295 } LTTNG_PACKED disable
;
298 struct lttng_channel chan LTTNG_PACKED
;
299 /* struct lttng_channel_extended is already packed. */
300 struct lttng_channel_extended extended
;
301 } LTTNG_PACKED channel
;
304 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
305 struct lttng_event_context ctx LTTNG_PACKED
;
306 uint32_t provider_name_len
;
307 uint32_t context_name_len
;
308 } LTTNG_PACKED context
;
309 /* Use by register_consumer */
315 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
317 struct lttng_calibrate calibrate
;
318 /* Used by the set_consumer_url and used by create_session also call */
320 /* Number of lttng_uri following */
324 struct lttng_snapshot_output output LTTNG_PACKED
;
325 } LTTNG_PACKED snapshot_output
;
328 struct lttng_snapshot_output output LTTNG_PACKED
;
329 } LTTNG_PACKED snapshot_record
;
332 unsigned int timer_interval
; /* usec */
333 } LTTNG_PACKED session_live
;
335 struct lttng_save_session_attr attr
; /* struct already packed */
336 } LTTNG_PACKED save_session
;
338 char shm_path
[PATH_MAX
];
339 } LTTNG_PACKED set_shm_path
;
342 } LTTNG_PACKED pid_tracker
;
345 } LTTNG_PACKED trigger
;
347 uint64_t rotation_id
;
348 } LTTNG_PACKED get_rotation_info
;
350 /* enum lttng_rotation_schedule_type */
353 * If set == 1, set schedule to value, if set == 0,
354 * clear this schedule type.
358 } LTTNG_PACKED rotation_set_schedule
;
362 #define LTTNG_FILTER_MAX_LEN 65536
365 * Filter bytecode data. The reloc table is located at the end of the
366 * bytecode. It is made of tuples: (uint16_t, var. len. string). It
367 * starts at reloc_table_offset.
369 #define LTTNG_FILTER_PADDING 32
370 struct lttng_filter_bytecode
{
371 uint32_t len
; /* len of data */
372 uint32_t reloc_table_offset
;
374 char padding
[LTTNG_FILTER_PADDING
];
379 * Event exclusion data. At the end of the structure, there will actually
380 * by zero or more names, where the actual number of names is given by
381 * the 'count' item of the structure.
383 #define LTTNG_EVENT_EXCLUSION_PADDING 32
384 struct lttng_event_exclusion
{
386 char padding
[LTTNG_EVENT_EXCLUSION_PADDING
];
387 char names
[0][LTTNG_SYMBOL_NAME_LEN
];
390 #define LTTNG_EVENT_EXCLUSION_NAME_AT(_exclusion, _i) \
391 (&(_exclusion)->names[_i][0])
394 * Event command header.
396 struct lttcomm_event_command_header
{
397 /* Number of events */
402 * Event extended info header. This is the structure preceding each
403 * extended info data.
405 struct lttcomm_event_extended_header
{
407 * Size of filter string immediately following this header.
408 * This size includes the terminal null character.
413 * Number of exclusion names, immediately following the filter
414 * string. Each exclusion name has a fixed length of
415 * LTTNG_SYMBOL_NAME_LEN bytes, including the terminal null
418 uint32_t nb_exclusions
;
421 * Size of the event's userspace probe location (if applicable).
423 uint32_t userspace_probe_location_len
;
427 * Data structure for the response from sessiond to the lttng client.
429 struct lttcomm_lttng_msg
{
430 uint32_t cmd_type
; /* enum lttcomm_sessiond_command */
431 uint32_t ret_code
; /* enum lttcomm_return_code */
432 uint32_t pid
; /* pid_t */
433 uint32_t cmd_header_size
;
437 struct lttcomm_lttng_output_id
{
442 * lttcomm_consumer_msg is the message sent from sessiond to consumerd
443 * to either add a channel, add a stream, update a stream, or stop
446 struct lttcomm_consumer_msg
{
447 uint32_t cmd_type
; /* enum lttng_consumer_command */
450 uint64_t channel_key
;
452 char pathname
[PATH_MAX
];
456 /* nb_init_streams is the number of streams open initially. */
457 uint32_t nb_init_streams
;
458 char name
[LTTNG_SYMBOL_NAME_LEN
];
459 /* Use splice or mmap to consume this fd */
460 enum lttng_event_output output
;
461 int type
; /* Per cpu or metadata. */
462 uint64_t tracefile_size
; /* bytes */
463 uint32_t tracefile_count
; /* number of tracefiles */
464 /* If the channel's streams have to be monitored or not. */
466 /* timer to check the streams usage in live mode (usec). */
467 unsigned int live_timer_interval
;
468 /* timer to sample a channel's positions (usec). */
469 unsigned int monitor_timer_interval
;
470 } LTTNG_PACKED channel
; /* Only used by Kernel. */
473 uint64_t channel_key
;
474 int32_t cpu
; /* On which CPU this stream is assigned. */
475 /* Tells the consumer if the stream should be or not monitored. */
478 * The archive id that was "current" at the time this
479 * stream was created. This is used to determine
480 * whether a rotation request was sent before or after
481 * the creation of a stream.
483 uint64_t trace_archive_id
;
484 } LTTNG_PACKED stream
; /* Only used by Kernel. */
487 enum lttng_stream_type type
;
488 /* Open socket to the relayd */
489 struct lttcomm_relayd_sock sock
;
490 /* Tracing session id associated to the relayd. */
492 /* Relayd session id, only used with control socket. */
493 uint64_t relayd_session_id
;
494 } LTTNG_PACKED relayd_sock
;
496 uint64_t net_seq_idx
;
497 } LTTNG_PACKED destroy_relayd
;
500 } LTTNG_PACKED data_pending
;
502 uint64_t subbuf_size
; /* bytes */
503 uint64_t num_subbuf
; /* power of 2 */
504 int32_t overwrite
; /* 1: overwrite, 0: discard */
505 uint32_t switch_timer_interval
; /* usec */
506 uint32_t read_timer_interval
; /* usec */
507 unsigned int live_timer_interval
; /* usec */
508 uint32_t monitor_timer_interval
; /* usec */
509 int32_t output
; /* splice, mmap */
510 int32_t type
; /* metadata or per_cpu */
511 uint64_t session_id
; /* Tracing session id */
512 char pathname
[PATH_MAX
]; /* Channel file path. */
513 char name
[LTTNG_SYMBOL_NAME_LEN
]; /* Channel name. */
514 uint32_t uid
; /* User ID of the session */
515 uint32_t gid
; /* Group ID ot the session */
516 uint64_t relayd_id
; /* Relayd id if apply. */
517 uint64_t key
; /* Unique channel key. */
518 unsigned char uuid
[UUID_LEN
]; /* uuid for ust tracer. */
519 uint32_t chan_id
; /* Channel ID on the tracer side. */
520 uint64_t tracefile_size
; /* bytes */
521 uint32_t tracefile_count
; /* number of tracefiles */
522 uint64_t session_id_per_pid
; /* Per-pid session ID. */
523 /* Tells the consumer if the stream should be or not monitored. */
526 * For UST per UID buffers, this is the application UID of the
527 * channel. This can be different from the user UID requesting the
528 * channel creation and used for the rights on the stream file
529 * because the application can be in the tracing for instance.
531 uint32_t ust_app_uid
;
532 int64_t blocking_timeout
;
534 * The archive id that was "current" at the time this
535 * channel was created. This is used to determine
536 * whether a rotation request was sent before or after
537 * the creation of a channel.
539 uint64_t trace_archive_id
;
540 char root_shm_path
[PATH_MAX
];
541 char shm_path
[PATH_MAX
];
542 } LTTNG_PACKED ask_channel
;
545 } LTTNG_PACKED get_channel
;
548 } LTTNG_PACKED destroy_channel
;
550 uint64_t key
; /* Metadata channel key. */
551 uint64_t target_offset
; /* Offset in the consumer */
552 uint64_t len
; /* Length of metadata to be received. */
553 uint64_t version
; /* Version of the metadata. */
554 } LTTNG_PACKED push_metadata
;
556 uint64_t key
; /* Metadata channel key. */
557 } LTTNG_PACKED close_metadata
;
559 uint64_t key
; /* Metadata channel key. */
560 } LTTNG_PACKED setup_metadata
;
562 uint64_t key
; /* Channel key. */
563 } LTTNG_PACKED flush_channel
;
565 uint64_t key
; /* Channel key. */
566 } LTTNG_PACKED clear_quiescent_channel
;
568 char pathname
[PATH_MAX
];
569 /* Indicate if the snapshot goes on the relayd or locally. */
571 uint32_t metadata
; /* This a metadata snapshot. */
572 uint64_t relayd_id
; /* Relayd id if apply. */
574 uint64_t nb_packets_per_stream
;
576 * The session's current trace archive id is propagated
577 * since a snapshot triggers the creation of an
578 * ephemeral metadata stream.
580 uint64_t trace_archive_id
;
581 } LTTNG_PACKED snapshot_channel
;
583 uint64_t channel_key
;
584 uint64_t net_seq_idx
;
585 } LTTNG_PACKED sent_streams
;
588 uint64_t channel_key
;
589 } LTTNG_PACKED discarded_events
;
592 uint64_t channel_key
;
593 } LTTNG_PACKED lost_packets
;
596 } LTTNG_PACKED regenerate_metadata
;
598 char pathname
[PATH_MAX
];
599 uint32_t metadata
; /* This is a metadata channel. */
600 uint64_t relayd_id
; /* Relayd id if apply. */
602 uint64_t new_chunk_id
;
603 } LTTNG_PACKED rotate_channel
;
605 char old_path
[LTTNG_PATH_MAX
];
606 char new_path
[LTTNG_PATH_MAX
];
607 uint64_t relayd_id
; /* Relayd id if apply. */
611 } LTTNG_PACKED rotate_rename
;
615 } LTTNG_PACKED check_rotation_pending_local
;
620 } LTTNG_PACKED check_rotation_pending_relay
;
622 char path
[LTTNG_PATH_MAX
];
623 uint64_t relayd_id
; /* Relayd id if apply. */
627 } LTTNG_PACKED mkdir
;
632 * Channel monitoring message returned to the session daemon on every
633 * monitor timer expiration.
635 struct lttcomm_consumer_channel_monitor_msg
{
636 /* Key of the sampled channel. */
639 * Lowest and highest usage (bytes) at the moment the sample was taken.
641 uint64_t lowest
, highest
;
643 * Sum of all the consumed positions for a channel.
645 uint64_t total_consumed
;
649 * Status message returned to the sessiond after a received command.
651 struct lttcomm_consumer_status_msg
{
652 enum lttcomm_return_code ret_code
;
655 struct lttcomm_consumer_status_channel
{
656 enum lttcomm_return_code ret_code
;
658 unsigned int stream_count
;
661 #ifdef HAVE_LIBLTTNG_UST_CTL
663 #include <lttng/ust-abi.h>
666 * Data structure for the commands sent from sessiond to UST.
668 struct lttcomm_ust_msg
{
672 struct lttng_ust_channel channel
;
673 struct lttng_ust_stream stream
;
674 struct lttng_ust_event event
;
675 struct lttng_ust_context context
;
676 struct lttng_ust_tracer_version version
;
681 * Data structure for the response from UST to the session daemon.
682 * cmd_type is sent back in the reply for validation.
684 struct lttcomm_ust_reply
{
687 uint32_t ret_code
; /* enum lttcomm_return_code */
688 uint32_t ret_val
; /* return value */
691 uint64_t memory_map_size
;
692 } LTTNG_PACKED channel
;
694 uint64_t memory_map_size
;
695 } LTTNG_PACKED stream
;
696 struct lttng_ust_tracer_version version
;
700 #endif /* HAVE_LIBLTTNG_UST_CTL */
702 LTTNG_HIDDEN
const char *lttcomm_get_readable_code(enum lttcomm_return_code code
);
704 LTTNG_HIDDEN
int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr
*sockaddr
,
705 const char *ip
, unsigned int port
);
706 LTTNG_HIDDEN
int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr
*sockaddr
,
707 const char *ip
, unsigned int port
);
709 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_sock(enum lttcomm_sock_proto proto
);
710 LTTNG_HIDDEN
int lttcomm_create_sock(struct lttcomm_sock
*sock
);
711 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_sock_from_uri(struct lttng_uri
*uri
);
712 LTTNG_HIDDEN
void lttcomm_destroy_sock(struct lttcomm_sock
*sock
);
713 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_copy_sock(struct lttcomm_sock
*src
);
714 LTTNG_HIDDEN
void lttcomm_copy_sock(struct lttcomm_sock
*dst
,
715 struct lttcomm_sock
*src
);
717 /* Relayd socket object. */
718 LTTNG_HIDDEN
struct lttcomm_relayd_sock
*lttcomm_alloc_relayd_sock(
719 struct lttng_uri
*uri
, uint32_t major
, uint32_t minor
);
721 LTTNG_HIDDEN
int lttcomm_setsockopt_rcv_timeout(int sock
, unsigned int msec
);
722 LTTNG_HIDDEN
int lttcomm_setsockopt_snd_timeout(int sock
, unsigned int msec
);
724 LTTNG_HIDDEN
int lttcomm_sock_get_port(const struct lttcomm_sock
*sock
,
727 * Set a port to an lttcomm_sock. This will have no effect is the socket is
730 LTTNG_HIDDEN
int lttcomm_sock_set_port(struct lttcomm_sock
*sock
, uint16_t port
);
732 LTTNG_HIDDEN
void lttcomm_init(void);
733 /* Get network timeout, in milliseconds */
734 LTTNG_HIDDEN
unsigned long lttcomm_get_network_timeout(void);
736 #endif /* _LTTNG_SESSIOND_COMM_H */