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,
110 enum lttcomm_relayd_command
{
111 RELAYD_ADD_STREAM
= 1,
112 RELAYD_CREATE_SESSION
= 2,
113 RELAYD_START_DATA
= 3,
114 RELAYD_UPDATE_SYNC_INFO
= 4,
116 RELAYD_SEND_METADATA
= 6,
117 RELAYD_CLOSE_STREAM
= 7,
118 RELAYD_DATA_PENDING
= 8,
119 RELAYD_QUIESCENT_CONTROL
= 9,
120 RELAYD_BEGIN_DATA_PENDING
= 10,
121 RELAYD_END_DATA_PENDING
= 11,
122 RELAYD_ADD_INDEX
= 12,
123 RELAYD_SEND_INDEX
= 13,
124 RELAYD_CLOSE_INDEX
= 14,
125 /* Live-reading commands (2.4+). */
126 RELAYD_LIST_SESSIONS
= 15,
127 /* All streams of the channel have been sent to the relayd (2.4+). */
128 RELAYD_STREAMS_SENT
= 16,
129 /* Ask the relay to reset the metadata trace file (2.8+) */
130 RELAYD_RESET_METADATA
= 17,
131 /* Ask the relay to rotate a stream file (2.11+) */
132 RELAYD_ROTATE_STREAM
= 18,
133 /* Rename a chunk after the rotation is completed (2.11+) */
134 RELAYD_ROTATE_RENAME
= 19,
135 /* Check if a chunk has data pending (2.11+) */
136 RELAYD_ROTATE_PENDING
= 20,
137 /* Create a folder on the relayd FS (2.11+) */
142 * lttcomm error code.
144 enum lttcomm_return_code
{
145 LTTCOMM_CONSUMERD_SUCCESS
= 0, /* Everything went fine. */
146 LTTCOMM_CONSUMERD_COMMAND_SOCK_READY
= 1, /* Command socket ready */
147 LTTCOMM_CONSUMERD_SUCCESS_RECV_FD
, /* Success on receiving fds */
148 LTTCOMM_CONSUMERD_ERROR_RECV_FD
, /* Error on receiving fds */
149 LTTCOMM_CONSUMERD_ERROR_RECV_CMD
, /* Error on receiving command */
150 LTTCOMM_CONSUMERD_POLL_ERROR
, /* Error in polling thread */
151 LTTCOMM_CONSUMERD_POLL_NVAL
, /* Poll on closed fd */
152 LTTCOMM_CONSUMERD_POLL_HUP
, /* All fds have hungup */
153 LTTCOMM_CONSUMERD_EXIT_SUCCESS
, /* Consumerd exiting normally */
154 LTTCOMM_CONSUMERD_EXIT_FAILURE
, /* Consumerd exiting on error */
155 LTTCOMM_CONSUMERD_OUTFD_ERROR
, /* Error opening the tracefile */
156 LTTCOMM_CONSUMERD_SPLICE_EBADF
, /* EBADF from splice(2) */
157 LTTCOMM_CONSUMERD_SPLICE_EINVAL
, /* EINVAL from splice(2) */
158 LTTCOMM_CONSUMERD_SPLICE_ENOMEM
, /* ENOMEM from splice(2) */
159 LTTCOMM_CONSUMERD_SPLICE_ESPIPE
, /* ESPIPE from splice(2) */
160 LTTCOMM_CONSUMERD_ENOMEM
, /* Consumer is out of memory */
161 LTTCOMM_CONSUMERD_ERROR_METADATA
, /* Error with metadata. */
162 LTTCOMM_CONSUMERD_FATAL
, /* Fatal error. */
163 LTTCOMM_CONSUMERD_RELAYD_FAIL
, /* Error on remote relayd */
164 LTTCOMM_CONSUMERD_CHANNEL_FAIL
, /* Channel creation failed. */
165 LTTCOMM_CONSUMERD_CHAN_NOT_FOUND
, /* Channel not found. */
166 LTTCOMM_CONSUMERD_ALREADY_SET
, /* Resource already set. */
167 LTTCOMM_CONSUMERD_ROTATION_FAIL
, /* Rotation has failed. */
168 LTTCOMM_CONSUMERD_ROTATE_RENAME_FAILED
, /* Rotation rename has failed. */
169 LTTCOMM_CONSUMERD_ROTATION_PENDING_LOCAL_FAILED
, /* Rotation pending relay failed. */
170 LTTCOMM_CONSUMERD_ROTATION_PENDING_RELAY_FAILED
, /* Rotation pending relay failed. */
171 LTTCOMM_CONSUMERD_MKDIR_FAILED
, /* mkdir has failed. */
173 /* MUST be last element */
174 LTTCOMM_NR
, /* Last element */
177 /* lttng socket protocol. */
178 enum lttcomm_sock_proto
{
184 * Index in the net_families array below. Please keep in sync!
186 enum lttcomm_sock_domain
{
191 enum lttcomm_metadata_command
{
192 LTTCOMM_METADATA_REQUEST
= 1,
196 * Commands sent from the consumerd to the sessiond to request if new metadata
197 * is available. This message is used to find the per UID _or_ per PID registry
198 * for the channel key. For per UID lookup, the triplet
199 * bits_per_long/uid/session_id is used. On lookup failure, we search for the
200 * per PID registry indexed by session id ignoring the other values.
202 struct lttcomm_metadata_request_msg
{
203 uint64_t session_id
; /* Tracing session id */
204 uint64_t session_id_per_pid
; /* Tracing session id for per-pid */
205 uint32_t bits_per_long
; /* Consumer ABI */
207 uint64_t key
; /* Metadata channel key. */
210 struct lttcomm_sockaddr
{
211 enum lttcomm_sock_domain type
;
213 struct sockaddr_in sin
;
214 struct sockaddr_in6 sin6
;
218 struct lttcomm_sock
{
220 enum lttcomm_sock_proto proto
;
221 struct lttcomm_sockaddr sockaddr
;
222 const struct lttcomm_proto_ops
*ops
;
226 * Relayd sock. Adds the protocol version to use for the communications with
229 struct lttcomm_relayd_sock
{
230 struct lttcomm_sock sock
;
235 struct lttcomm_net_family
{
237 int (*create
) (struct lttcomm_sock
*sock
, int type
, int proto
);
240 struct lttcomm_proto_ops
{
241 int (*bind
) (struct lttcomm_sock
*sock
);
242 int (*close
) (struct lttcomm_sock
*sock
);
243 int (*connect
) (struct lttcomm_sock
*sock
);
244 struct lttcomm_sock
*(*accept
) (struct lttcomm_sock
*sock
);
245 int (*listen
) (struct lttcomm_sock
*sock
, int backlog
);
246 ssize_t (*recvmsg
) (struct lttcomm_sock
*sock
, void *buf
, size_t len
,
248 ssize_t (*sendmsg
) (struct lttcomm_sock
*sock
, const void *buf
,
249 size_t len
, int flags
);
253 * Data structure received from lttng client to session daemon.
255 struct lttcomm_session_msg
{
256 uint32_t cmd_type
; /* enum lttcomm_sessiond_command */
257 struct lttng_session session
;
258 struct lttng_domain domain
;
262 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
263 struct lttng_event event LTTNG_PACKED
;
264 /* Length of following filter expression. */
265 uint32_t expression_len
;
266 /* Length of following bytecode for filter. */
267 uint32_t bytecode_len
;
268 /* Exclusion count (fixed-size strings). */
269 uint32_t exclusion_count
;
270 /* Userspace probe location size. */
271 uint32_t userspace_probe_location_len
;
273 * After this structure, the following variable-length
274 * items are transmitted:
275 * - char exclusion_names[LTTNG_SYMBOL_NAME_LEN][exclusion_count]
276 * - char filter_expression[expression_len]
277 * - unsigned char filter_bytecode[bytecode_len]
279 } LTTNG_PACKED enable
;
281 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
282 struct lttng_event event LTTNG_PACKED
;
283 /* Length of following filter expression. */
284 uint32_t expression_len
;
285 /* Length of following bytecode for filter. */
286 uint32_t bytecode_len
;
288 * After this structure, the following variable-length
289 * items are transmitted:
290 * - unsigned char filter_expression[expression_len]
291 * - unsigned char filter_bytecode[bytecode_len]
293 } LTTNG_PACKED disable
;
296 struct lttng_channel chan LTTNG_PACKED
;
297 /* struct lttng_channel_extended is already packed. */
298 struct lttng_channel_extended extended
;
299 } LTTNG_PACKED channel
;
302 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
303 struct lttng_event_context ctx LTTNG_PACKED
;
304 uint32_t provider_name_len
;
305 uint32_t context_name_len
;
306 } LTTNG_PACKED context
;
307 /* Use by register_consumer */
313 char channel_name
[LTTNG_SYMBOL_NAME_LEN
];
315 struct lttng_calibrate calibrate
;
316 /* Used by the set_consumer_url and used by create_session also call */
318 /* Number of lttng_uri following */
322 struct lttng_snapshot_output output LTTNG_PACKED
;
323 } LTTNG_PACKED snapshot_output
;
326 struct lttng_snapshot_output output LTTNG_PACKED
;
327 } LTTNG_PACKED snapshot_record
;
330 unsigned int timer_interval
; /* usec */
331 } LTTNG_PACKED session_live
;
333 struct lttng_save_session_attr attr
; /* struct already packed */
334 } LTTNG_PACKED save_session
;
336 char shm_path
[PATH_MAX
];
337 } LTTNG_PACKED set_shm_path
;
340 } LTTNG_PACKED pid_tracker
;
343 } LTTNG_PACKED trigger
;
345 uint64_t rotation_id
;
346 } LTTNG_PACKED get_rotation_info
;
348 /* enum lttng_rotation_schedule_type */
351 * If set == 1, set schedule to value, if set == 0,
352 * clear this schedule type.
356 } LTTNG_PACKED rotation_set_schedule
;
360 #define LTTNG_FILTER_MAX_LEN 65536
363 * Filter bytecode data. The reloc table is located at the end of the
364 * bytecode. It is made of tuples: (uint16_t, var. len. string). It
365 * starts at reloc_table_offset.
367 #define LTTNG_FILTER_PADDING 32
368 struct lttng_filter_bytecode
{
369 uint32_t len
; /* len of data */
370 uint32_t reloc_table_offset
;
372 char padding
[LTTNG_FILTER_PADDING
];
377 * Event exclusion data. At the end of the structure, there will actually
378 * by zero or more names, where the actual number of names is given by
379 * the 'count' item of the structure.
381 #define LTTNG_EVENT_EXCLUSION_PADDING 32
382 struct lttng_event_exclusion
{
384 char padding
[LTTNG_EVENT_EXCLUSION_PADDING
];
385 char names
[0][LTTNG_SYMBOL_NAME_LEN
];
388 #define LTTNG_EVENT_EXCLUSION_NAME_AT(_exclusion, _i) \
389 (&(_exclusion)->names[_i][0])
392 * Event command header.
394 struct lttcomm_event_command_header
{
395 /* Number of events */
400 * Event extended info header. This is the structure preceding each
401 * extended info data.
403 struct lttcomm_event_extended_header
{
405 * Size of filter string immediately following this header.
406 * This size includes the terminal null character.
411 * Number of exclusion names, immediately following the filter
412 * string. Each exclusion name has a fixed length of
413 * LTTNG_SYMBOL_NAME_LEN bytes, including the terminal null
416 uint32_t nb_exclusions
;
419 * Size of the event's userspace probe location (if applicable).
421 uint32_t userspace_probe_location_len
;
425 * Data structure for the response from sessiond to the lttng client.
427 struct lttcomm_lttng_msg
{
428 uint32_t cmd_type
; /* enum lttcomm_sessiond_command */
429 uint32_t ret_code
; /* enum lttcomm_return_code */
430 uint32_t pid
; /* pid_t */
431 uint32_t cmd_header_size
;
435 struct lttcomm_lttng_output_id
{
440 * lttcomm_consumer_msg is the message sent from sessiond to consumerd
441 * to either add a channel, add a stream, update a stream, or stop
444 struct lttcomm_consumer_msg
{
445 uint32_t cmd_type
; /* enum lttng_consumer_command */
448 uint64_t channel_key
;
450 char pathname
[PATH_MAX
];
454 /* nb_init_streams is the number of streams open initially. */
455 uint32_t nb_init_streams
;
456 char name
[LTTNG_SYMBOL_NAME_LEN
];
457 /* Use splice or mmap to consume this fd */
458 enum lttng_event_output output
;
459 int type
; /* Per cpu or metadata. */
460 uint64_t tracefile_size
; /* bytes */
461 uint32_t tracefile_count
; /* number of tracefiles */
462 /* If the channel's streams have to be monitored or not. */
464 /* timer to check the streams usage in live mode (usec). */
465 unsigned int live_timer_interval
;
466 /* timer to sample a channel's positions (usec). */
467 unsigned int monitor_timer_interval
;
468 } LTTNG_PACKED channel
; /* Only used by Kernel. */
471 uint64_t channel_key
;
472 int32_t cpu
; /* On which CPU this stream is assigned. */
473 /* Tells the consumer if the stream should be or not monitored. */
476 * The archive id that was "current" at the time this
477 * stream was created. This is used to determine
478 * whether a rotation request was sent before or after
479 * the creation of a stream.
481 uint64_t trace_archive_id
;
482 } LTTNG_PACKED stream
; /* Only used by Kernel. */
485 enum lttng_stream_type type
;
486 /* Open socket to the relayd */
487 struct lttcomm_relayd_sock sock
;
488 /* Tracing session id associated to the relayd. */
490 /* Relayd session id, only used with control socket. */
491 uint64_t relayd_session_id
;
492 } LTTNG_PACKED relayd_sock
;
494 uint64_t net_seq_idx
;
495 } LTTNG_PACKED destroy_relayd
;
498 } LTTNG_PACKED data_pending
;
500 uint64_t subbuf_size
; /* bytes */
501 uint64_t num_subbuf
; /* power of 2 */
502 int32_t overwrite
; /* 1: overwrite, 0: discard */
503 uint32_t switch_timer_interval
; /* usec */
504 uint32_t read_timer_interval
; /* usec */
505 unsigned int live_timer_interval
; /* usec */
506 uint32_t monitor_timer_interval
; /* usec */
507 int32_t output
; /* splice, mmap */
508 int32_t type
; /* metadata or per_cpu */
509 uint64_t session_id
; /* Tracing session id */
510 char pathname
[PATH_MAX
]; /* Channel file path. */
511 char name
[LTTNG_SYMBOL_NAME_LEN
]; /* Channel name. */
512 uint32_t uid
; /* User ID of the session */
513 uint32_t gid
; /* Group ID ot the session */
514 uint64_t relayd_id
; /* Relayd id if apply. */
515 uint64_t key
; /* Unique channel key. */
516 unsigned char uuid
[UUID_LEN
]; /* uuid for ust tracer. */
517 uint32_t chan_id
; /* Channel ID on the tracer side. */
518 uint64_t tracefile_size
; /* bytes */
519 uint32_t tracefile_count
; /* number of tracefiles */
520 uint64_t session_id_per_pid
; /* Per-pid session ID. */
521 /* Tells the consumer if the stream should be or not monitored. */
524 * For UST per UID buffers, this is the application UID of the
525 * channel. This can be different from the user UID requesting the
526 * channel creation and used for the rights on the stream file
527 * because the application can be in the tracing for instance.
529 uint32_t ust_app_uid
;
530 int64_t blocking_timeout
;
532 * The archive id that was "current" at the time this
533 * channel was created. This is used to determine
534 * whether a rotation request was sent before or after
535 * the creation of a channel.
537 uint64_t trace_archive_id
;
538 char root_shm_path
[PATH_MAX
];
539 char shm_path
[PATH_MAX
];
540 } LTTNG_PACKED ask_channel
;
543 } LTTNG_PACKED get_channel
;
546 } LTTNG_PACKED destroy_channel
;
548 uint64_t key
; /* Metadata channel key. */
549 uint64_t target_offset
; /* Offset in the consumer */
550 uint64_t len
; /* Length of metadata to be received. */
551 uint64_t version
; /* Version of the metadata. */
552 } LTTNG_PACKED push_metadata
;
554 uint64_t key
; /* Metadata channel key. */
555 } LTTNG_PACKED close_metadata
;
557 uint64_t key
; /* Metadata channel key. */
558 } LTTNG_PACKED setup_metadata
;
560 uint64_t key
; /* Channel key. */
561 } LTTNG_PACKED flush_channel
;
563 uint64_t key
; /* Channel key. */
564 } LTTNG_PACKED clear_quiescent_channel
;
566 char pathname
[PATH_MAX
];
567 /* Indicate if the snapshot goes on the relayd or locally. */
569 uint32_t metadata
; /* This a metadata snapshot. */
570 uint64_t relayd_id
; /* Relayd id if apply. */
572 uint64_t nb_packets_per_stream
;
574 * The session's current trace archive id is propagated
575 * since a snapshot triggers the creation of an
576 * ephemeral metadata stream.
578 uint64_t trace_archive_id
;
579 } LTTNG_PACKED snapshot_channel
;
581 uint64_t channel_key
;
582 uint64_t net_seq_idx
;
583 } LTTNG_PACKED sent_streams
;
586 uint64_t channel_key
;
587 } LTTNG_PACKED discarded_events
;
590 uint64_t channel_key
;
591 } LTTNG_PACKED lost_packets
;
594 } LTTNG_PACKED regenerate_metadata
;
596 char pathname
[PATH_MAX
];
597 uint32_t metadata
; /* This is a metadata channel. */
598 uint64_t relayd_id
; /* Relayd id if apply. */
600 uint64_t new_chunk_id
;
601 } LTTNG_PACKED rotate_channel
;
603 char old_path
[LTTNG_PATH_MAX
];
604 char new_path
[LTTNG_PATH_MAX
];
605 uint64_t relayd_id
; /* Relayd id if apply. */
609 } LTTNG_PACKED rotate_rename
;
613 } LTTNG_PACKED check_rotation_pending_local
;
618 } LTTNG_PACKED check_rotation_pending_relay
;
620 char path
[LTTNG_PATH_MAX
];
621 uint64_t relayd_id
; /* Relayd id if apply. */
625 } LTTNG_PACKED mkdir
;
630 * Channel monitoring message returned to the session daemon on every
631 * monitor timer expiration.
633 struct lttcomm_consumer_channel_monitor_msg
{
634 /* Key of the sampled channel. */
637 * Lowest and highest usage (bytes) at the moment the sample was taken.
639 uint64_t lowest
, highest
;
641 * Sum of all the consumed positions for a channel.
643 uint64_t total_consumed
;
647 * Status message returned to the sessiond after a received command.
649 struct lttcomm_consumer_status_msg
{
650 enum lttcomm_return_code ret_code
;
653 struct lttcomm_consumer_status_channel
{
654 enum lttcomm_return_code ret_code
;
656 unsigned int stream_count
;
659 #ifdef HAVE_LIBLTTNG_UST_CTL
661 #include <lttng/ust-abi.h>
664 * Data structure for the commands sent from sessiond to UST.
666 struct lttcomm_ust_msg
{
670 struct lttng_ust_channel channel
;
671 struct lttng_ust_stream stream
;
672 struct lttng_ust_event event
;
673 struct lttng_ust_context context
;
674 struct lttng_ust_tracer_version version
;
679 * Data structure for the response from UST to the session daemon.
680 * cmd_type is sent back in the reply for validation.
682 struct lttcomm_ust_reply
{
685 uint32_t ret_code
; /* enum lttcomm_return_code */
686 uint32_t ret_val
; /* return value */
689 uint64_t memory_map_size
;
690 } LTTNG_PACKED channel
;
692 uint64_t memory_map_size
;
693 } LTTNG_PACKED stream
;
694 struct lttng_ust_tracer_version version
;
698 #endif /* HAVE_LIBLTTNG_UST_CTL */
700 LTTNG_HIDDEN
const char *lttcomm_get_readable_code(enum lttcomm_return_code code
);
702 LTTNG_HIDDEN
int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr
*sockaddr
,
703 const char *ip
, unsigned int port
);
704 LTTNG_HIDDEN
int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr
*sockaddr
,
705 const char *ip
, unsigned int port
);
707 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_sock(enum lttcomm_sock_proto proto
);
708 LTTNG_HIDDEN
int lttcomm_create_sock(struct lttcomm_sock
*sock
);
709 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_sock_from_uri(struct lttng_uri
*uri
);
710 LTTNG_HIDDEN
void lttcomm_destroy_sock(struct lttcomm_sock
*sock
);
711 LTTNG_HIDDEN
struct lttcomm_sock
*lttcomm_alloc_copy_sock(struct lttcomm_sock
*src
);
712 LTTNG_HIDDEN
void lttcomm_copy_sock(struct lttcomm_sock
*dst
,
713 struct lttcomm_sock
*src
);
715 /* Relayd socket object. */
716 LTTNG_HIDDEN
struct lttcomm_relayd_sock
*lttcomm_alloc_relayd_sock(
717 struct lttng_uri
*uri
, uint32_t major
, uint32_t minor
);
719 LTTNG_HIDDEN
int lttcomm_setsockopt_rcv_timeout(int sock
, unsigned int msec
);
720 LTTNG_HIDDEN
int lttcomm_setsockopt_snd_timeout(int sock
, unsigned int msec
);
722 LTTNG_HIDDEN
int lttcomm_sock_get_port(const struct lttcomm_sock
*sock
,
725 * Set a port to an lttcomm_sock. This will have no effect is the socket is
728 LTTNG_HIDDEN
int lttcomm_sock_set_port(struct lttcomm_sock
*sock
, uint16_t port
);
730 LTTNG_HIDDEN
void lttcomm_init(void);
731 /* Get network timeout, in milliseconds */
732 LTTNG_HIDDEN
unsigned long lttcomm_get_network_timeout(void);
734 #endif /* _LTTNG_SESSIOND_COMM_H */