Commit | Line | Data |
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6e3805e2 | 1 | /* |
90c106c6 | 2 | * Copyright (C) 2011 EfficiOS Inc. |
ab5be9fa | 3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
fac6795d | 4 | * |
ab5be9fa | 5 | * SPDX-License-Identifier: GPL-2.0-only |
ba999de0 | 6 | * |
fac6795d DG |
7 | */ |
8 | ||
773168b7 | 9 | /* |
990570ed DG |
10 | * This header is meant for liblttng and libust internal use ONLY. These |
11 | * declarations should NOT be considered stable API. | |
773168b7 | 12 | */ |
fac6795d | 13 | |
990570ed DG |
14 | #ifndef _LTTNG_SESSIOND_COMM_H |
15 | #define _LTTNG_SESSIOND_COMM_H | |
16 | ||
fac6795d | 17 | #include <limits.h> |
f3ed775e | 18 | #include <lttng/lttng.h> |
da3c9ec1 | 19 | #include <lttng/snapshot-internal.h> |
00c76cea | 20 | #include <lttng/save-internal.h> |
e9404c27 JG |
21 | #include <lttng/channel-internal.h> |
22 | #include <lttng/trigger/trigger-internal.h> | |
d88744a4 | 23 | #include <lttng/rotate-internal.h> |
b17231c6 | 24 | #include <common/compat/socket.h> |
a4b92340 | 25 | #include <common/uri.h> |
ce2a9e76 | 26 | #include <common/defaults.h> |
c70636a7 | 27 | #include <common/uuid.h> |
aa52c986 | 28 | #include <common/macros.h> |
d2956687 | 29 | #include <common/optional.h> |
5e16da05 | 30 | |
6364a07a DG |
31 | #include <arpa/inet.h> |
32 | #include <netinet/in.h> | |
fe7bf564 | 33 | #include <stdint.h> |
6364a07a DG |
34 | #include <sys/un.h> |
35 | ||
36 | #include "inet.h" | |
37 | #include "inet6.h" | |
2038dd6c | 38 | #include <common/unix.h> |
0d37f2bc | 39 | |
fac6795d | 40 | /* Queue size of listen(2) */ |
f158a754 | 41 | #define LTTNG_SESSIOND_COMM_MAX_LISTEN 64 |
fac6795d | 42 | |
990570ed | 43 | /* Maximum number of FDs that can be sent over a Unix socket */ |
0b5a4de9 JG |
44 | #if defined(__linux__) |
45 | /* Based on the kernel's SCM_MAX_FD which is 253 since 2.6.38 (255 before) */ | |
46 | #define LTTCOMM_MAX_SEND_FDS 253 | |
47 | #else | |
48 | #define LTTCOMM_MAX_SEND_FDS 16 | |
49 | #endif | |
990570ed | 50 | |
3817e7df DG |
51 | /* |
52 | * Get the error code index from 0 since LTTCOMM_OK start at 1000 | |
fac6795d | 53 | */ |
f73fabfd | 54 | #define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_CONSUMERD_COMMAND_SOCK_READY) |
fac6795d | 55 | |
6abb15de | 56 | enum lttcomm_sessiond_command { |
7a0b9008 | 57 | LTTCOMM_SESSIOND_COMMAND_MIN = -1, |
0d0c377a | 58 | /* Tracer command */ |
159b042f | 59 | LTTNG_ADD_CONTEXT = 0, |
b812e5ca | 60 | /* LTTNG_CALIBRATE used to be here */ |
159b042f JG |
61 | LTTNG_DISABLE_CHANNEL = 2, |
62 | LTTNG_DISABLE_EVENT = 3, | |
63 | LTTNG_LIST_SYSCALLS = 4, | |
64 | LTTNG_ENABLE_CHANNEL = 5, | |
65 | LTTNG_ENABLE_EVENT = 6, | |
18a720cd | 66 | /* 7 */ |
0d0c377a | 67 | /* Session daemon command */ |
b178f53e | 68 | /* 8 */ |
159b042f JG |
69 | LTTNG_DESTROY_SESSION = 9, |
70 | LTTNG_LIST_CHANNELS = 10, | |
71 | LTTNG_LIST_DOMAINS = 11, | |
72 | LTTNG_LIST_EVENTS = 12, | |
73 | LTTNG_LIST_SESSIONS = 13, | |
74 | LTTNG_LIST_TRACEPOINTS = 14, | |
75 | LTTNG_REGISTER_CONSUMER = 15, | |
76 | LTTNG_START_TRACE = 16, | |
77 | LTTNG_STOP_TRACE = 17, | |
78 | LTTNG_LIST_TRACEPOINT_FIELDS = 18, | |
53a80697 | 79 | |
de5e9086 | 80 | /* Consumer */ |
159b042f JG |
81 | LTTNG_DISABLE_CONSUMER = 19, |
82 | LTTNG_ENABLE_CONSUMER = 20, | |
83 | LTTNG_SET_CONSUMER_URI = 21, | |
67676bd8 DG |
84 | /* 22 */ |
85 | /* 23 */ | |
159b042f JG |
86 | LTTNG_DATA_PENDING = 24, |
87 | LTTNG_SNAPSHOT_ADD_OUTPUT = 25, | |
88 | LTTNG_SNAPSHOT_DEL_OUTPUT = 26, | |
89 | LTTNG_SNAPSHOT_LIST_OUTPUT = 27, | |
90 | LTTNG_SNAPSHOT_RECORD = 28, | |
b178f53e JG |
91 | /* 29 */ |
92 | /* 30 */ | |
159b042f JG |
93 | LTTNG_SAVE_SESSION = 31, |
94 | LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE = 32, | |
95 | LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE = 33, | |
96 | LTTNG_PROCESS_ATTR_TRACKER_GET_POLICY = 34, | |
97 | LTTNG_PROCESS_ATTR_TRACKER_SET_POLICY = 35, | |
98 | LTTNG_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET = 36, | |
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_CREATE_SESSION_EXT = 49, | |
109 | LTTNG_CLEAR_SESSION = 50, | |
fbc9f37d | 110 | LTTNG_LIST_TRIGGERS = 51, |
b99a0cb3 | 111 | LTTNG_EXECUTE_ERROR_QUERY = 52, |
7a0b9008 | 112 | LTTCOMM_SESSIOND_COMMAND_MAX, |
7c9534d6 JD |
113 | }; |
114 | ||
7a0b9008 JG |
115 | static inline |
116 | bool lttcomm_sessiond_command_is_valid(enum lttcomm_sessiond_command cmd) | |
117 | { | |
118 | return cmd > LTTCOMM_SESSIOND_COMMAND_MIN && cmd < LTTCOMM_SESSIOND_COMMAND_MAX; | |
119 | } | |
120 | ||
19f912db FD |
121 | static inline |
122 | const char *lttcomm_sessiond_command_str(enum lttcomm_sessiond_command cmd) | |
123 | { | |
124 | switch (cmd) { | |
125 | case LTTNG_ADD_CONTEXT: | |
126 | return "LTTNG_ADD_CONTEXT"; | |
127 | case LTTNG_DISABLE_CHANNEL: | |
128 | return "LTTNG_DISABLE_CHANNEL"; | |
129 | case LTTNG_DISABLE_EVENT: | |
130 | return "LTTNG_DISABLE_EVENT"; | |
131 | case LTTNG_LIST_SYSCALLS: | |
132 | return "LTTNG_LIST_SYSCALLS"; | |
133 | case LTTNG_ENABLE_CHANNEL: | |
134 | return "LTTNG_ENABLE_CHANNEL"; | |
135 | case LTTNG_ENABLE_EVENT: | |
136 | return "LTTNG_ENABLE_EVENT"; | |
137 | case LTTNG_DESTROY_SESSION: | |
138 | return "LTTNG_DESTROY_SESSION"; | |
139 | case LTTNG_LIST_CHANNELS: | |
140 | return "LTTNG_LIST_CHANNELS"; | |
141 | case LTTNG_LIST_DOMAINS: | |
142 | return "LTTNG_LIST_DOMAINS"; | |
143 | case LTTNG_LIST_EVENTS: | |
144 | return "LTTNG_LIST_EVENTS"; | |
145 | case LTTNG_LIST_SESSIONS: | |
146 | return "LTTNG_LIST_SESSIONS"; | |
147 | case LTTNG_LIST_TRACEPOINTS: | |
148 | return "LTTNG_LIST_TRACEPOINTS"; | |
149 | case LTTNG_REGISTER_CONSUMER: | |
150 | return "LTTNG_REGISTER_CONSUMER"; | |
151 | case LTTNG_START_TRACE: | |
152 | return "LTTNG_START_TRACE"; | |
153 | case LTTNG_STOP_TRACE: | |
154 | return "LTTNG_STOP_TRACE"; | |
155 | case LTTNG_LIST_TRACEPOINT_FIELDS: | |
156 | return "LTTNG_LIST_TRACEPOINT_FIELDS"; | |
157 | case LTTNG_DISABLE_CONSUMER: | |
158 | return "LTTNG_DISABLE_CONSUMER"; | |
159 | case LTTNG_ENABLE_CONSUMER: | |
160 | return "LTTNG_ENABLE_CONSUMER"; | |
161 | case LTTNG_SET_CONSUMER_URI: | |
162 | return "LTTNG_SET_CONSUMER_URI"; | |
163 | case LTTNG_DATA_PENDING: | |
164 | return "LTTNG_DATA_PENDING"; | |
165 | case LTTNG_SNAPSHOT_ADD_OUTPUT: | |
166 | return "LTTNG_SNAPSHOT_ADD_OUTPUT"; | |
167 | case LTTNG_SNAPSHOT_DEL_OUTPUT: | |
168 | return "LTTNG_SNAPSHOT_DEL_OUTPUT"; | |
169 | case LTTNG_SNAPSHOT_LIST_OUTPUT: | |
170 | return "LTTNG_SNAPSHOT_LIST_OUTPUT"; | |
171 | case LTTNG_SNAPSHOT_RECORD: | |
172 | return "LTTNG_SNAPSHOT_RECORD"; | |
173 | case LTTNG_SAVE_SESSION: | |
174 | return "LTTNG_SAVE_SESSION"; | |
175 | case LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE: | |
176 | return "LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE"; | |
177 | case LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE: | |
178 | return "LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE"; | |
179 | case LTTNG_PROCESS_ATTR_TRACKER_GET_POLICY: | |
180 | return "LTTNG_PROCESS_ATTR_TRACKER_GET_POLICY"; | |
181 | case LTTNG_PROCESS_ATTR_TRACKER_SET_POLICY: | |
182 | return "LTTNG_PROCESS_ATTR_TRACKER_SET_POLICY"; | |
183 | case LTTNG_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET: | |
184 | return "LTTNG_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET"; | |
185 | case LTTNG_SET_SESSION_SHM_PATH: | |
186 | return "LTTNG_SET_SESSION_SHM_PATH"; | |
187 | case LTTNG_REGENERATE_METADATA: | |
188 | return "LTTNG_REGENERATE_METADATA"; | |
189 | case LTTNG_REGENERATE_STATEDUMP: | |
190 | return "LTTNG_REGENERATE_STATEDUMP"; | |
191 | case LTTNG_REGISTER_TRIGGER: | |
192 | return "LTTNG_REGISTER_TRIGGER"; | |
193 | case LTTNG_UNREGISTER_TRIGGER: | |
194 | return "LTTNG_UNREGISTER_TRIGGER"; | |
195 | case LTTNG_ROTATE_SESSION: | |
196 | return "LTTNG_ROTATE_SESSION"; | |
197 | case LTTNG_ROTATION_GET_INFO: | |
198 | return "LTTNG_ROTATION_GET_INFO"; | |
199 | case LTTNG_ROTATION_SET_SCHEDULE: | |
200 | return "LTTNG_ROTATION_SET_SCHEDULE"; | |
201 | case LTTNG_SESSION_LIST_ROTATION_SCHEDULES: | |
202 | return "LTTNG_SESSION_LIST_ROTATION_SCHEDULES"; | |
203 | case LTTNG_CREATE_SESSION_EXT: | |
204 | return "LTTNG_CREATE_SESSION_EXT"; | |
205 | case LTTNG_CLEAR_SESSION: | |
206 | return "LTTNG_CLEAR_SESSION"; | |
207 | case LTTNG_LIST_TRIGGERS: | |
208 | return "LTTNG_LIST_TRIGGERS"; | |
b99a0cb3 JG |
209 | case LTTNG_EXECUTE_ERROR_QUERY: |
210 | return "LTTNG_EXECUTE_ERROR_QUERY"; | |
19f912db FD |
211 | default: |
212 | abort(); | |
213 | } | |
214 | } | |
215 | ||
7c9534d6 JD |
216 | enum lttcomm_relayd_command { |
217 | RELAYD_ADD_STREAM = 1, | |
218 | RELAYD_CREATE_SESSION = 2, | |
219 | RELAYD_START_DATA = 3, | |
220 | RELAYD_UPDATE_SYNC_INFO = 4, | |
221 | RELAYD_VERSION = 5, | |
222 | RELAYD_SEND_METADATA = 6, | |
223 | RELAYD_CLOSE_STREAM = 7, | |
224 | RELAYD_DATA_PENDING = 8, | |
225 | RELAYD_QUIESCENT_CONTROL = 9, | |
226 | RELAYD_BEGIN_DATA_PENDING = 10, | |
227 | RELAYD_END_DATA_PENDING = 11, | |
1c20f0e2 JD |
228 | RELAYD_ADD_INDEX = 12, |
229 | RELAYD_SEND_INDEX = 13, | |
230 | RELAYD_CLOSE_INDEX = 14, | |
a4baae1b | 231 | /* Live-reading commands (2.4+). */ |
d3e2ba59 | 232 | RELAYD_LIST_SESSIONS = 15, |
a4baae1b JD |
233 | /* All streams of the channel have been sent to the relayd (2.4+). */ |
234 | RELAYD_STREAMS_SENT = 16, | |
93ec662e JD |
235 | /* Ask the relay to reset the metadata trace file (2.8+) */ |
236 | RELAYD_RESET_METADATA = 17, | |
c35f9726 JG |
237 | /* Ask the relay to rotate a set of stream files (2.11+) */ |
238 | RELAYD_ROTATE_STREAMS = 18, | |
e5add6d0 JG |
239 | /* Ask the relay to create a trace chunk (2.11+) */ |
240 | RELAYD_CREATE_TRACE_CHUNK = 19, | |
bbc4768c JG |
241 | /* Ask the relay to close a trace chunk (2.11+) */ |
242 | RELAYD_CLOSE_TRACE_CHUNK = 20, | |
c35f9726 JG |
243 | /* Ask the relay whether a trace chunk exists (2.11+) */ |
244 | RELAYD_TRACE_CHUNK_EXISTS = 21, | |
8614e600 MD |
245 | /* Get the current configuration of a relayd peer (2.12+) */ |
246 | RELAYD_GET_CONFIGURATION = 22, | |
3fe73a46 MD |
247 | |
248 | /* Feature branch specific commands start at 10000. */ | |
fac6795d DG |
249 | }; |
250 | ||
251 | /* | |
252 | * lttcomm error code. | |
253 | */ | |
254 | enum lttcomm_return_code { | |
0c759fc9 | 255 | LTTCOMM_CONSUMERD_SUCCESS = 0, /* Everything went fine. */ |
d2956687 JG |
256 | /* |
257 | * Some code paths use -1 to express an error, others | |
258 | * negate this consumer return code. Starting codes at | |
259 | * 100 ensures there is no mix-up between this error value | |
260 | * and legitimate status codes. | |
261 | */ | |
262 | LTTCOMM_CONSUMERD_COMMAND_SOCK_READY = 100, /* Command socket ready */ | |
f73fabfd DG |
263 | LTTCOMM_CONSUMERD_SUCCESS_RECV_FD, /* Success on receiving fds */ |
264 | LTTCOMM_CONSUMERD_ERROR_RECV_FD, /* Error on receiving fds */ | |
265 | LTTCOMM_CONSUMERD_ERROR_RECV_CMD, /* Error on receiving command */ | |
266 | LTTCOMM_CONSUMERD_POLL_ERROR, /* Error in polling thread */ | |
267 | LTTCOMM_CONSUMERD_POLL_NVAL, /* Poll on closed fd */ | |
268 | LTTCOMM_CONSUMERD_POLL_HUP, /* All fds have hungup */ | |
269 | LTTCOMM_CONSUMERD_EXIT_SUCCESS, /* Consumerd exiting normally */ | |
270 | LTTCOMM_CONSUMERD_EXIT_FAILURE, /* Consumerd exiting on error */ | |
271 | LTTCOMM_CONSUMERD_OUTFD_ERROR, /* Error opening the tracefile */ | |
272 | LTTCOMM_CONSUMERD_SPLICE_EBADF, /* EBADF from splice(2) */ | |
273 | LTTCOMM_CONSUMERD_SPLICE_EINVAL, /* EINVAL from splice(2) */ | |
274 | LTTCOMM_CONSUMERD_SPLICE_ENOMEM, /* ENOMEM from splice(2) */ | |
275 | LTTCOMM_CONSUMERD_SPLICE_ESPIPE, /* ESPIPE from splice(2) */ | |
ffe60014 | 276 | LTTCOMM_CONSUMERD_ENOMEM, /* Consumer is out of memory */ |
d88aee68 DG |
277 | LTTCOMM_CONSUMERD_ERROR_METADATA, /* Error with metadata. */ |
278 | LTTCOMM_CONSUMERD_FATAL, /* Fatal error. */ | |
618a6a28 | 279 | LTTCOMM_CONSUMERD_RELAYD_FAIL, /* Error on remote relayd */ |
0c759fc9 | 280 | LTTCOMM_CONSUMERD_CHANNEL_FAIL, /* Channel creation failed. */ |
e462382a | 281 | LTTCOMM_CONSUMERD_CHAN_NOT_FOUND, /* Channel not found. */ |
e9404c27 | 282 | LTTCOMM_CONSUMERD_ALREADY_SET, /* Resource already set. */ |
92b7a7f8 | 283 | LTTCOMM_CONSUMERD_ROTATION_FAIL, /* Rotation has failed. */ |
3eb928aa | 284 | LTTCOMM_CONSUMERD_SNAPSHOT_FAILED, /* snapshot has failed. */ |
d2956687 JG |
285 | LTTCOMM_CONSUMERD_CREATE_TRACE_CHUNK_FAILED,/* Trace chunk creation failed. */ |
286 | LTTCOMM_CONSUMERD_CLOSE_TRACE_CHUNK_FAILED, /* Trace chunk creation failed. */ | |
287 | LTTCOMM_CONSUMERD_INVALID_PARAMETERS, /* Invalid parameters. */ | |
288 | LTTCOMM_CONSUMERD_TRACE_CHUNK_EXISTS_LOCAL, /* Trace chunk exists on consumer daemon. */ | |
289 | LTTCOMM_CONSUMERD_TRACE_CHUNK_EXISTS_REMOTE,/* Trace chunk exists on relay daemon. */ | |
290 | LTTCOMM_CONSUMERD_UNKNOWN_TRACE_CHUNK, /* Unknown trace chunk. */ | |
b01b201a | 291 | LTTCOMM_CONSUMERD_RELAYD_CLEAR_DISALLOWED, /* Relayd does not accept clear command. */ |
04ed9e10 | 292 | LTTCOMM_CONSUMERD_UNKNOWN_ERROR, /* Unknown error. */ |
80e327fa | 293 | |
20fe2104 DG |
294 | /* MUST be last element */ |
295 | LTTCOMM_NR, /* Last element */ | |
fac6795d DG |
296 | }; |
297 | ||
de5e9086 DG |
298 | /* lttng socket protocol. */ |
299 | enum lttcomm_sock_proto { | |
300 | LTTCOMM_SOCK_UDP, | |
301 | LTTCOMM_SOCK_TCP, | |
302 | }; | |
303 | ||
304 | /* | |
305 | * Index in the net_families array below. Please keep in sync! | |
306 | */ | |
307 | enum lttcomm_sock_domain { | |
01d0a631 CB |
308 | LTTCOMM_INET = 0, |
309 | LTTCOMM_INET6 = 1, | |
de5e9086 DG |
310 | }; |
311 | ||
331744e3 JD |
312 | enum lttcomm_metadata_command { |
313 | LTTCOMM_METADATA_REQUEST = 1, | |
314 | }; | |
315 | ||
316 | /* | |
317 | * Commands sent from the consumerd to the sessiond to request if new metadata | |
318 | * is available. This message is used to find the per UID _or_ per PID registry | |
319 | * for the channel key. For per UID lookup, the triplet | |
320 | * bits_per_long/uid/session_id is used. On lookup failure, we search for the | |
321 | * per PID registry indexed by session id ignoring the other values. | |
322 | */ | |
323 | struct lttcomm_metadata_request_msg { | |
1950109e JD |
324 | uint64_t session_id; /* Tracing session id */ |
325 | uint64_t session_id_per_pid; /* Tracing session id for per-pid */ | |
331744e3 JD |
326 | uint32_t bits_per_long; /* Consumer ABI */ |
327 | uint32_t uid; | |
328 | uint64_t key; /* Metadata channel key. */ | |
329 | } LTTNG_PACKED; | |
330 | ||
de5e9086 DG |
331 | struct lttcomm_sockaddr { |
332 | enum lttcomm_sock_domain type; | |
333 | union { | |
334 | struct sockaddr_in sin; | |
335 | struct sockaddr_in6 sin6; | |
336 | } addr; | |
fe7bf564 | 337 | }; |
de5e9086 DG |
338 | |
339 | struct lttcomm_sock { | |
d88aee68 | 340 | int32_t fd; |
de5e9086 DG |
341 | enum lttcomm_sock_proto proto; |
342 | struct lttcomm_sockaddr sockaddr; | |
343 | const struct lttcomm_proto_ops *ops; | |
fe7bf564 | 344 | }; |
de5e9086 | 345 | |
6151a90f JD |
346 | /* |
347 | * Relayd sock. Adds the protocol version to use for the communications with | |
348 | * the relayd. | |
349 | */ | |
350 | struct lttcomm_relayd_sock { | |
351 | struct lttcomm_sock sock; | |
352 | uint32_t major; | |
353 | uint32_t minor; | |
fe7bf564 | 354 | }; |
6151a90f | 355 | |
de5e9086 DG |
356 | struct lttcomm_net_family { |
357 | int family; | |
358 | int (*create) (struct lttcomm_sock *sock, int type, int proto); | |
359 | }; | |
360 | ||
361 | struct lttcomm_proto_ops { | |
362 | int (*bind) (struct lttcomm_sock *sock); | |
363 | int (*close) (struct lttcomm_sock *sock); | |
364 | int (*connect) (struct lttcomm_sock *sock); | |
365 | struct lttcomm_sock *(*accept) (struct lttcomm_sock *sock); | |
366 | int (*listen) (struct lttcomm_sock *sock, int backlog); | |
367 | ssize_t (*recvmsg) (struct lttcomm_sock *sock, void *buf, size_t len, | |
368 | int flags); | |
c2d69327 JG |
369 | ssize_t (*sendmsg) (struct lttcomm_sock *sock, const void *buf, |
370 | size_t len, int flags); | |
de5e9086 DG |
371 | }; |
372 | ||
159b042f JG |
373 | struct process_attr_integral_value_comm { |
374 | union { | |
375 | int64_t _signed; | |
376 | uint64_t _unsigned; | |
377 | } u; | |
378 | } LTTNG_PACKED; | |
379 | ||
fac6795d | 380 | /* |
9bda164d | 381 | * Data structure received from lttng client to session daemon. |
fac6795d DG |
382 | */ |
383 | struct lttcomm_session_msg { | |
d0b96690 | 384 | uint32_t cmd_type; /* enum lttcomm_sessiond_command */ |
42abccdb | 385 | struct lttng_session session; |
9f19cc17 | 386 | struct lttng_domain domain; |
fac6795d | 387 | union { |
f3ed775e | 388 | /* Event data */ |
fac6795d | 389 | struct { |
db8870ed | 390 | char channel_name[LTTNG_SYMBOL_NAME_LEN]; |
fe5e9e65 | 391 | uint32_t length; |
fc5e05b7 | 392 | } LTTNG_PACKED enable; |
6e911cad MD |
393 | struct { |
394 | char channel_name[LTTNG_SYMBOL_NAME_LEN]; | |
fe5e9e65 | 395 | uint32_t length; |
6e911cad | 396 | } LTTNG_PACKED disable; |
f3ed775e DG |
397 | /* Create channel */ |
398 | struct { | |
714363d3 | 399 | uint32_t length; |
fc5e05b7 | 400 | } LTTNG_PACKED channel; |
d65106b1 DG |
401 | /* Context */ |
402 | struct { | |
db8870ed | 403 | char channel_name[LTTNG_SYMBOL_NAME_LEN]; |
a4a3d6bd | 404 | uint32_t length; |
fc5e05b7 | 405 | } LTTNG_PACKED context; |
d9800920 DG |
406 | /* Use by register_consumer */ |
407 | struct { | |
408 | char path[PATH_MAX]; | |
fc5e05b7 | 409 | } LTTNG_PACKED reg; |
9f19cc17 DG |
410 | /* List */ |
411 | struct { | |
db8870ed | 412 | char channel_name[LTTNG_SYMBOL_NAME_LEN]; |
fc5e05b7 | 413 | } LTTNG_PACKED list; |
d0254c7c | 414 | struct lttng_calibrate calibrate; |
a4b92340 | 415 | /* Used by the set_consumer_url and used by create_session also call */ |
de5e9086 | 416 | struct { |
a4b92340 DG |
417 | /* Number of lttng_uri following */ |
418 | uint32_t size; | |
fc5e05b7 | 419 | } LTTNG_PACKED uri; |
da3c9ec1 | 420 | struct { |
7bd95aee | 421 | struct lttng_snapshot_output output; |
da3c9ec1 DG |
422 | } LTTNG_PACKED snapshot_output; |
423 | struct { | |
424 | uint32_t wait; | |
7bd95aee | 425 | struct lttng_snapshot_output output; |
da3c9ec1 | 426 | } LTTNG_PACKED snapshot_record; |
ecc48a90 JD |
427 | struct { |
428 | uint32_t nb_uri; | |
429 | unsigned int timer_interval; /* usec */ | |
430 | } LTTNG_PACKED session_live; | |
00c76cea | 431 | struct { |
7bd95aee | 432 | struct lttng_save_session_attr attr; |
00c76cea | 433 | } LTTNG_PACKED save_session; |
d7ba1388 MD |
434 | struct { |
435 | char shm_path[PATH_MAX]; | |
436 | } LTTNG_PACKED set_shm_path; | |
ccf10263 | 437 | struct { |
159b042f JG |
438 | /* enum lttng_process_attr */ |
439 | int32_t process_attr; | |
440 | /* enum lttng_process_attr_value_type */ | |
441 | int32_t value_type; | |
442 | ||
443 | struct process_attr_integral_value_comm integral_value; | |
55c9e7ca | 444 | /* |
159b042f JG |
445 | * For user/group names, a variable length, |
446 | * zero-terminated, string of length 'name_len' | |
447 | * (including the terminator) follows. | |
448 | * | |
449 | * integral_value should not be used in those cases. | |
55c9e7ca | 450 | */ |
159b042f JG |
451 | uint32_t name_len; |
452 | } LTTNG_PACKED process_attr_tracker_add_remove_include_value; | |
55c9e7ca | 453 | struct { |
159b042f JG |
454 | /* enum lttng_process_attr */ |
455 | int32_t process_attr; | |
456 | } LTTNG_PACKED process_attr_tracker_get_inclusion_set; | |
457 | struct { | |
458 | /* enum lttng_process_attr */ | |
459 | int32_t process_attr; | |
460 | } LTTNG_PACKED process_attr_tracker_get_tracking_policy; | |
461 | struct { | |
462 | /* enum lttng_process_attr */ | |
463 | int32_t process_attr; | |
464 | /* enum lttng_tracking_policy */ | |
465 | int32_t tracking_policy; | |
466 | } LTTNG_PACKED process_attr_tracker_set_tracking_policy; | |
e9404c27 JG |
467 | struct { |
468 | uint32_t length; | |
0efb2ad7 | 469 | uint8_t is_trigger_anonymous; |
e9404c27 | 470 | } LTTNG_PACKED trigger; |
b99a0cb3 JG |
471 | struct { |
472 | uint32_t length; | |
473 | } LTTNG_PACKED error_query; | |
d88744a4 | 474 | struct { |
d68c9a04 JD |
475 | uint64_t rotation_id; |
476 | } LTTNG_PACKED get_rotation_info; | |
259c2674 | 477 | struct { |
66ea93b1 JG |
478 | /* enum lttng_rotation_schedule_type */ |
479 | uint8_t type; | |
480 | /* | |
481 | * If set == 1, set schedule to value, if set == 0, | |
482 | * clear this schedule type. | |
483 | */ | |
484 | uint8_t set; | |
485 | uint64_t value; | |
486 | } LTTNG_PACKED rotation_set_schedule; | |
b178f53e JG |
487 | struct { |
488 | /* | |
489 | * Includes the null-terminator. | |
490 | * Must be an absolute path. | |
491 | * | |
492 | * Size bounded by LTTNG_PATH_MAX. | |
493 | */ | |
494 | uint16_t home_dir_size; | |
495 | uint64_t session_descriptor_size; | |
496 | /* An lttng_session_descriptor follows. */ | |
497 | } LTTNG_PACKED create_session; | |
fac6795d | 498 | } u; |
99608320 JR |
499 | /* Count of fds sent. */ |
500 | uint32_t fd_count; | |
fc5e05b7 | 501 | } LTTNG_PACKED; |
fac6795d | 502 | |
d93c4f1f | 503 | #define LTTNG_FILTER_MAX_LEN 65536 |
b178f53e | 504 | #define LTTNG_SESSION_DESCRIPTOR_MAX_LEN 65536 |
53a80697 MD |
505 | |
506 | /* | |
507 | * Filter bytecode data. The reloc table is located at the end of the | |
508 | * bytecode. It is made of tuples: (uint16_t, var. len. string). It | |
509 | * starts at reloc_table_offset. | |
510 | */ | |
b6bbed5f | 511 | #define LTTNG_FILTER_PADDING 32 |
2b00d462 | 512 | struct lttng_bytecode { |
d93c4f1f CB |
513 | uint32_t len; /* len of data */ |
514 | uint32_t reloc_table_offset; | |
f3f0db50 | 515 | uint64_t seqnum; |
b6bbed5f | 516 | char padding[LTTNG_FILTER_PADDING]; |
53a80697 | 517 | char data[0]; |
fc5e05b7 | 518 | } LTTNG_PACKED; |
53a80697 | 519 | |
579640f9 JI |
520 | /* |
521 | * Event exclusion data. At the end of the structure, there will actually | |
522 | * by zero or more names, where the actual number of names is given by | |
523 | * the 'count' item of the structure. | |
524 | */ | |
525 | #define LTTNG_EVENT_EXCLUSION_PADDING 32 | |
526 | struct lttng_event_exclusion { | |
527 | uint32_t count; | |
528 | char padding[LTTNG_EVENT_EXCLUSION_PADDING]; | |
caafa356 | 529 | char names[0][LTTNG_SYMBOL_NAME_LEN]; |
579640f9 JI |
530 | } LTTNG_PACKED; |
531 | ||
d7af3565 PP |
532 | #define LTTNG_EVENT_EXCLUSION_NAME_AT(_exclusion, _i) \ |
533 | (&(_exclusion)->names[_i][0]) | |
534 | ||
714363d3 JR |
535 | /* |
536 | * Listing command header. | |
537 | */ | |
538 | struct lttcomm_list_command_header { | |
539 | /* Number of elements */ | |
540 | uint32_t count; | |
541 | } LTTNG_PACKED; | |
542 | ||
b4e3ceb9 PP |
543 | /* |
544 | * Event extended info header. This is the structure preceding each | |
545 | * extended info data. | |
546 | */ | |
547 | struct lttcomm_event_extended_header { | |
548 | /* | |
549 | * Size of filter string immediately following this header. | |
550 | * This size includes the terminal null character. | |
551 | */ | |
552 | uint32_t filter_len; | |
795d57ce PP |
553 | |
554 | /* | |
555 | * Number of exclusion names, immediately following the filter | |
556 | * string. Each exclusion name has a fixed length of | |
557 | * LTTNG_SYMBOL_NAME_LEN bytes, including the terminal null | |
558 | * character. | |
559 | */ | |
560 | uint32_t nb_exclusions; | |
56f0bc67 JG |
561 | |
562 | /* | |
563 | * Size of the event's userspace probe location (if applicable). | |
564 | */ | |
565 | uint32_t userspace_probe_location_len; | |
b4e3ceb9 PP |
566 | } LTTNG_PACKED; |
567 | ||
3e3665b8 JG |
568 | /* |
569 | * Command header of the reply to an LTTNG_DESTROY_SESSION command. | |
570 | */ | |
571 | struct lttcomm_session_destroy_command_header { | |
572 | /* enum lttng_session */ | |
573 | int32_t rotation_state; | |
574 | }; | |
575 | ||
55c9e7ca JR |
576 | /* |
577 | * tracker command header. | |
578 | */ | |
579 | struct lttcomm_tracker_command_header { | |
580 | uint32_t nb_tracker_id; | |
581 | } LTTNG_PACKED; | |
582 | ||
fac6795d | 583 | /* |
5e16da05 | 584 | * Data structure for the response from sessiond to the lttng client. |
fac6795d | 585 | */ |
5461b305 | 586 | struct lttcomm_lttng_msg { |
d0b96690 DG |
587 | uint32_t cmd_type; /* enum lttcomm_sessiond_command */ |
588 | uint32_t ret_code; /* enum lttcomm_return_code */ | |
589 | uint32_t pid; /* pid_t */ | |
795a978d | 590 | uint32_t cmd_header_size; |
773168b7 | 591 | uint32_t data_size; |
e368fb43 | 592 | uint32_t fd_count; |
fc5e05b7 | 593 | } LTTNG_PACKED; |
fac6795d | 594 | |
da3c9ec1 DG |
595 | struct lttcomm_lttng_output_id { |
596 | uint32_t id; | |
597 | } LTTNG_PACKED; | |
598 | ||
6e3805e2 | 599 | /* |
3bd1e081 MD |
600 | * lttcomm_consumer_msg is the message sent from sessiond to consumerd |
601 | * to either add a channel, add a stream, update a stream, or stop | |
602 | * operation. | |
6e3805e2 | 603 | */ |
3bd1e081 | 604 | struct lttcomm_consumer_msg { |
92816cc3 | 605 | uint32_t cmd_type; /* enum lttng_consumer_command */ |
3bd1e081 MD |
606 | union { |
607 | struct { | |
d88aee68 | 608 | uint64_t channel_key; |
ffe60014 | 609 | uint64_t session_id; |
d2956687 | 610 | /* ID of the session's current trace chunk. */ |
0a30bf9b | 611 | LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED chunk_id; |
ffe60014 | 612 | char pathname[PATH_MAX]; |
d88aee68 | 613 | uint64_t relayd_id; |
c30aaa51 | 614 | /* nb_init_streams is the number of streams open initially. */ |
d88aee68 | 615 | uint32_t nb_init_streams; |
de5e9086 | 616 | char name[LTTNG_SYMBOL_NAME_LEN]; |
ffe60014 DG |
617 | /* Use splice or mmap to consume this fd */ |
618 | enum lttng_event_output output; | |
619 | int type; /* Per cpu or metadata. */ | |
1624d5b7 JD |
620 | uint64_t tracefile_size; /* bytes */ |
621 | uint32_t tracefile_count; /* number of tracefiles */ | |
2bba9e53 DG |
622 | /* If the channel's streams have to be monitored or not. */ |
623 | uint32_t monitor; | |
ecc48a90 JD |
624 | /* timer to check the streams usage in live mode (usec). */ |
625 | unsigned int live_timer_interval; | |
a2814ea7 JG |
626 | /* is part of a live session */ |
627 | uint8_t is_live; | |
e9404c27 JG |
628 | /* timer to sample a channel's positions (usec). */ |
629 | unsigned int monitor_timer_interval; | |
ffe60014 | 630 | } LTTNG_PACKED channel; /* Only used by Kernel. */ |
3bd1e081 | 631 | struct { |
d88aee68 DG |
632 | uint64_t stream_key; |
633 | uint64_t channel_key; | |
634 | int32_t cpu; /* On which CPU this stream is assigned. */ | |
6dc3064a DG |
635 | /* Tells the consumer if the stream should be or not monitored. */ |
636 | uint32_t no_monitor; | |
ffe60014 | 637 | } LTTNG_PACKED stream; /* Only used by Kernel. */ |
de5e9086 | 638 | struct { |
d88aee68 | 639 | uint64_t net_index; |
de5e9086 | 640 | enum lttng_stream_type type; |
fe7bf564 JR |
641 | uint32_t major; |
642 | uint32_t minor; | |
643 | uint8_t relayd_socket_protocol; | |
46e6455f DG |
644 | /* Tracing session id associated to the relayd. */ |
645 | uint64_t session_id; | |
d3e2ba59 JD |
646 | /* Relayd session id, only used with control socket. */ |
647 | uint64_t relayd_session_id; | |
fc5e05b7 | 648 | } LTTNG_PACKED relayd_sock; |
173af62f DG |
649 | struct { |
650 | uint64_t net_seq_idx; | |
fc5e05b7 | 651 | } LTTNG_PACKED destroy_relayd; |
53632229 DG |
652 | struct { |
653 | uint64_t session_id; | |
fc5e05b7 | 654 | } LTTNG_PACKED data_pending; |
ffe60014 | 655 | struct { |
d0b96690 DG |
656 | uint64_t subbuf_size; /* bytes */ |
657 | uint64_t num_subbuf; /* power of 2 */ | |
d88aee68 DG |
658 | int32_t overwrite; /* 1: overwrite, 0: discard */ |
659 | uint32_t switch_timer_interval; /* usec */ | |
660 | uint32_t read_timer_interval; /* usec */ | |
e9404c27 | 661 | unsigned int live_timer_interval; /* usec */ |
a2814ea7 | 662 | uint8_t is_live; /* is part of a live session */ |
e9404c27 | 663 | uint32_t monitor_timer_interval; /* usec */ |
d88aee68 DG |
664 | int32_t output; /* splice, mmap */ |
665 | int32_t type; /* metadata or per_cpu */ | |
d0b96690 DG |
666 | uint64_t session_id; /* Tracing session id */ |
667 | char pathname[PATH_MAX]; /* Channel file path. */ | |
ffe60014 | 668 | char name[LTTNG_SYMBOL_NAME_LEN]; /* Channel name. */ |
d2956687 JG |
669 | /* Credentials used to open the UST buffer shared mappings. */ |
670 | struct { | |
671 | uint32_t uid; | |
672 | uint32_t gid; | |
673 | } LTTNG_PACKED buffer_credentials; | |
d88aee68 DG |
674 | uint64_t relayd_id; /* Relayd id if apply. */ |
675 | uint64_t key; /* Unique channel key. */ | |
d2956687 | 676 | /* ID of the session's current trace chunk. */ |
0a30bf9b | 677 | LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED chunk_id; |
c70636a7 | 678 | unsigned char uuid[LTTNG_UUID_LEN]; /* uuid for ust tracer. */ |
7972aab2 | 679 | uint32_t chan_id; /* Channel ID on the tracer side. */ |
1624d5b7 JD |
680 | uint64_t tracefile_size; /* bytes */ |
681 | uint32_t tracefile_count; /* number of tracefiles */ | |
1950109e | 682 | uint64_t session_id_per_pid; /* Per-pid session ID. */ |
2bba9e53 DG |
683 | /* Tells the consumer if the stream should be or not monitored. */ |
684 | uint32_t monitor; | |
567eb353 DG |
685 | /* |
686 | * For UST per UID buffers, this is the application UID of the | |
687 | * channel. This can be different from the user UID requesting the | |
688 | * channel creation and used for the rights on the stream file | |
689 | * because the application can be in the tracing for instance. | |
690 | */ | |
691 | uint32_t ust_app_uid; | |
491d1539 | 692 | int64_t blocking_timeout; |
3d071855 | 693 | char root_shm_path[PATH_MAX]; |
d7ba1388 | 694 | char shm_path[PATH_MAX]; |
ffe60014 DG |
695 | } LTTNG_PACKED ask_channel; |
696 | struct { | |
d88aee68 | 697 | uint64_t key; |
ffe60014 DG |
698 | } LTTNG_PACKED get_channel; |
699 | struct { | |
d88aee68 | 700 | uint64_t key; |
ffe60014 | 701 | } LTTNG_PACKED destroy_channel; |
d88aee68 DG |
702 | struct { |
703 | uint64_t key; /* Metadata channel key. */ | |
704 | uint64_t target_offset; /* Offset in the consumer */ | |
705 | uint64_t len; /* Length of metadata to be received. */ | |
93ec662e | 706 | uint64_t version; /* Version of the metadata. */ |
d88aee68 DG |
707 | } LTTNG_PACKED push_metadata; |
708 | struct { | |
709 | uint64_t key; /* Metadata channel key. */ | |
710 | } LTTNG_PACKED close_metadata; | |
711 | struct { | |
712 | uint64_t key; /* Metadata channel key. */ | |
713 | } LTTNG_PACKED setup_metadata; | |
7972aab2 DG |
714 | struct { |
715 | uint64_t key; /* Channel key. */ | |
716 | } LTTNG_PACKED flush_channel; | |
0dd01979 MD |
717 | struct { |
718 | uint64_t key; /* Channel key. */ | |
719 | } LTTNG_PACKED clear_quiescent_channel; | |
6dc3064a DG |
720 | struct { |
721 | char pathname[PATH_MAX]; | |
722 | /* Indicate if the snapshot goes on the relayd or locally. */ | |
723 | uint32_t use_relayd; | |
724 | uint32_t metadata; /* This a metadata snapshot. */ | |
725 | uint64_t relayd_id; /* Relayd id if apply. */ | |
726 | uint64_t key; | |
d07ceecd | 727 | uint64_t nb_packets_per_stream; |
6dc3064a | 728 | } LTTNG_PACKED snapshot_channel; |
a4baae1b JD |
729 | struct { |
730 | uint64_t channel_key; | |
731 | uint64_t net_seq_idx; | |
732 | } LTTNG_PACKED sent_streams; | |
fb83fe64 JD |
733 | struct { |
734 | uint64_t session_id; | |
735 | uint64_t channel_key; | |
736 | } LTTNG_PACKED discarded_events; | |
737 | struct { | |
738 | uint64_t session_id; | |
739 | uint64_t channel_key; | |
740 | } LTTNG_PACKED lost_packets; | |
93ec662e JD |
741 | struct { |
742 | uint64_t session_id; | |
eded6438 | 743 | } LTTNG_PACKED regenerate_metadata; |
b99a8d42 | 744 | struct { |
b99a8d42 JD |
745 | uint32_t metadata; /* This is a metadata channel. */ |
746 | uint64_t relayd_id; /* Relayd id if apply. */ | |
747 | uint64_t key; | |
b99a8d42 | 748 | } LTTNG_PACKED rotate_channel; |
92816cc3 JG |
749 | struct { |
750 | uint64_t session_id; | |
751 | uint64_t chunk_id; | |
752 | } LTTNG_PACKED check_rotation_pending_local; | |
d88744a4 JD |
753 | struct { |
754 | uint64_t relayd_id; | |
755 | uint64_t session_id; | |
756 | uint64_t chunk_id; | |
92816cc3 | 757 | } LTTNG_PACKED check_rotation_pending_relay; |
a1ae2ea5 | 758 | struct { |
d2956687 JG |
759 | /* |
760 | * Relayd id, if applicable (remote). | |
761 | * | |
762 | * A directory file descriptor referring to the chunk's | |
763 | * output folder is transmitted if the chunk is local | |
764 | * (relayd_id unset). | |
765 | * | |
766 | * `override_name` is left NULL (all-zeroes) if the | |
913a542b | 767 | * chunk's name is not overridden. |
d2956687 | 768 | */ |
0a30bf9b | 769 | LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED relayd_id; |
d2956687 JG |
770 | char override_name[LTTNG_NAME_MAX]; |
771 | uint64_t session_id; | |
772 | uint64_t chunk_id; | |
773 | uint64_t creation_timestamp; | |
e5add6d0 | 774 | LTTNG_OPTIONAL_COMM(struct { |
d2956687 JG |
775 | uint32_t uid; |
776 | uint32_t gid; | |
e5add6d0 | 777 | } LTTNG_PACKED ) LTTNG_PACKED credentials; |
d2956687 JG |
778 | } LTTNG_PACKED create_trace_chunk; |
779 | struct { | |
0a30bf9b | 780 | LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED relayd_id; |
d2956687 JG |
781 | uint64_t session_id; |
782 | uint64_t chunk_id; | |
783 | uint64_t close_timestamp; | |
bbc4768c JG |
784 | /* enum lttng_trace_chunk_command_type */ |
785 | LTTNG_OPTIONAL_COMM(uint32_t) LTTNG_PACKED close_command; | |
d2956687 JG |
786 | } LTTNG_PACKED close_trace_chunk; |
787 | struct { | |
0a30bf9b | 788 | LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED relayd_id; |
a1ae2ea5 | 789 | uint64_t session_id; |
d2956687 JG |
790 | uint64_t chunk_id; |
791 | } LTTNG_PACKED trace_chunk_exists; | |
792 | struct { | |
793 | lttng_uuid sessiond_uuid; | |
794 | } LTTNG_PACKED init; | |
b01b201a MD |
795 | struct { |
796 | uint64_t key; | |
797 | } LTTNG_PACKED clear_channel; | |
04ed9e10 JG |
798 | struct { |
799 | uint64_t key; | |
800 | } LTTNG_PACKED open_channel_packets; | |
3bd1e081 | 801 | } u; |
fc5e05b7 | 802 | } LTTNG_PACKED; |
6e3805e2 | 803 | |
e9404c27 JG |
804 | /* |
805 | * Channel monitoring message returned to the session daemon on every | |
806 | * monitor timer expiration. | |
807 | */ | |
808 | struct lttcomm_consumer_channel_monitor_msg { | |
809 | /* Key of the sampled channel. */ | |
810 | uint64_t key; | |
811 | /* | |
812 | * Lowest and highest usage (bytes) at the moment the sample was taken. | |
813 | */ | |
814 | uint64_t lowest, highest; | |
e8360425 JD |
815 | /* |
816 | * Sum of all the consumed positions for a channel. | |
817 | */ | |
818 | uint64_t total_consumed; | |
e9404c27 JG |
819 | } LTTNG_PACKED; |
820 | ||
f50f23d9 DG |
821 | /* |
822 | * Status message returned to the sessiond after a received command. | |
823 | */ | |
824 | struct lttcomm_consumer_status_msg { | |
0c759fc9 | 825 | enum lttcomm_return_code ret_code; |
fc5e05b7 | 826 | } LTTNG_PACKED; |
f50f23d9 | 827 | |
ffe60014 | 828 | struct lttcomm_consumer_status_channel { |
0c759fc9 | 829 | enum lttcomm_return_code ret_code; |
d88aee68 | 830 | uint64_t key; |
ffe60014 DG |
831 | unsigned int stream_count; |
832 | } LTTNG_PACKED; | |
833 | ||
ecd1a12f MD |
834 | struct lttcomm_consumer_close_trace_chunk_reply { |
835 | enum lttcomm_return_code ret_code; | |
836 | uint32_t path_length; | |
837 | char path[]; | |
838 | }; | |
839 | ||
51791532 JG |
840 | #ifdef HAVE_LIBLTTNG_UST_CTL |
841 | ||
9df8df5e | 842 | #include <lttng/ust-abi.h> |
6e3805e2 | 843 | |
3817e7df DG |
844 | /* |
845 | * Data structure for the commands sent from sessiond to UST. | |
846 | */ | |
847 | struct lttcomm_ust_msg { | |
3817e7df DG |
848 | uint32_t handle; |
849 | uint32_t cmd; | |
850 | union { | |
fc4b93fa MD |
851 | struct lttng_ust_abi_channel channel; |
852 | struct lttng_ust_abi_stream stream; | |
853 | struct lttng_ust_abi_event event; | |
854 | struct lttng_ust_abi_context context; | |
855 | struct lttng_ust_abi_tracer_version version; | |
3817e7df | 856 | } u; |
fc5e05b7 | 857 | } LTTNG_PACKED; |
3817e7df DG |
858 | |
859 | /* | |
860 | * Data structure for the response from UST to the session daemon. | |
861 | * cmd_type is sent back in the reply for validation. | |
862 | */ | |
863 | struct lttcomm_ust_reply { | |
864 | uint32_t handle; | |
865 | uint32_t cmd; | |
866 | uint32_t ret_code; /* enum lttcomm_return_code */ | |
867 | uint32_t ret_val; /* return value */ | |
868 | union { | |
2b0bf864 DG |
869 | struct { |
870 | uint64_t memory_map_size; | |
fc5e05b7 | 871 | } LTTNG_PACKED channel; |
2b0bf864 DG |
872 | struct { |
873 | uint64_t memory_map_size; | |
fc5e05b7 | 874 | } LTTNG_PACKED stream; |
fc4b93fa | 875 | struct lttng_ust_abi_tracer_version version; |
3817e7df | 876 | } u; |
fc5e05b7 | 877 | } LTTNG_PACKED; |
3817e7df | 878 | |
74d0b642 | 879 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 880 | |
79445cf0 | 881 | LTTNG_HIDDEN const char *lttcomm_get_readable_code(enum lttcomm_return_code code); |
fac6795d | 882 | |
79445cf0 | 883 | LTTNG_HIDDEN int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr, |
6364a07a | 884 | const char *ip, unsigned int port); |
79445cf0 | 885 | LTTNG_HIDDEN int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr, |
6364a07a DG |
886 | const char *ip, unsigned int port); |
887 | ||
79445cf0 | 888 | LTTNG_HIDDEN struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto); |
fe7bf564 JR |
889 | LTTNG_HIDDEN int lttcomm_populate_sock_from_open_socket(struct lttcomm_sock *sock, |
890 | int fd, | |
891 | enum lttcomm_sock_proto protocol); | |
79445cf0 JG |
892 | LTTNG_HIDDEN int lttcomm_create_sock(struct lttcomm_sock *sock); |
893 | LTTNG_HIDDEN struct lttcomm_sock *lttcomm_alloc_sock_from_uri(struct lttng_uri *uri); | |
894 | LTTNG_HIDDEN void lttcomm_destroy_sock(struct lttcomm_sock *sock); | |
895 | LTTNG_HIDDEN struct lttcomm_sock *lttcomm_alloc_copy_sock(struct lttcomm_sock *src); | |
896 | LTTNG_HIDDEN void lttcomm_copy_sock(struct lttcomm_sock *dst, | |
de5e9086 | 897 | struct lttcomm_sock *src); |
6364a07a | 898 | |
6151a90f | 899 | /* Relayd socket object. */ |
79445cf0 | 900 | LTTNG_HIDDEN struct lttcomm_relayd_sock *lttcomm_alloc_relayd_sock( |
6151a90f JD |
901 | struct lttng_uri *uri, uint32_t major, uint32_t minor); |
902 | ||
79445cf0 JG |
903 | LTTNG_HIDDEN int lttcomm_setsockopt_rcv_timeout(int sock, unsigned int msec); |
904 | LTTNG_HIDDEN int lttcomm_setsockopt_snd_timeout(int sock, unsigned int msec); | |
783a3b9a | 905 | |
2288467f JG |
906 | LTTNG_HIDDEN int lttcomm_sock_get_port(const struct lttcomm_sock *sock, |
907 | uint16_t *port); | |
908 | /* | |
909 | * Set a port to an lttcomm_sock. This will have no effect is the socket is | |
910 | * already bound. | |
911 | */ | |
912 | LTTNG_HIDDEN int lttcomm_sock_set_port(struct lttcomm_sock *sock, uint16_t port); | |
913 | ||
79445cf0 | 914 | LTTNG_HIDDEN void lttcomm_init(void); |
554831e7 | 915 | /* Get network timeout, in milliseconds */ |
79445cf0 | 916 | LTTNG_HIDDEN unsigned long lttcomm_get_network_timeout(void); |
554831e7 | 917 | |
773168b7 | 918 | #endif /* _LTTNG_SESSIOND_COMM_H */ |