Commit | Line | Data |
---|---|---|
d68c9a04 | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2017 Julien Desfossez <jdesfossez@efficios.com> |
d68c9a04 | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
d68c9a04 | 5 | * |
d68c9a04 JD |
6 | */ |
7 | ||
8 | #define _LGPL_SOURCE | |
9 | #include <assert.h> | |
10 | #include <string.h> | |
11 | ||
12 | #include <lttng/lttng-error.h> | |
13 | #include <lttng/rotation.h> | |
dd73d57b | 14 | #include <lttng/location-internal.h> |
d68c9a04 JD |
15 | #include <lttng/rotate-internal.h> |
16 | #include <common/sessiond-comm/sessiond-comm.h> | |
17 | #include <common/macros.h> | |
18 | ||
19 | #include "lttng-ctl-helper.h" | |
20 | ||
d68c9a04 JD |
21 | static |
22 | enum lttng_rotation_status ask_rotation_info( | |
23 | struct lttng_rotation_handle *rotation_handle, | |
24 | struct lttng_rotation_get_info_return **info) | |
25 | { | |
26 | /* lsm.get_rotation_state.rotation_id */ | |
27 | struct lttcomm_session_msg lsm; | |
28 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
29 | int ret; | |
30 | ||
31 | if (!rotation_handle || !info) { | |
32 | status = LTTNG_ROTATION_STATUS_INVALID; | |
33 | goto end; | |
34 | } | |
35 | ||
36 | memset(&lsm, 0, sizeof(lsm)); | |
37 | lsm.cmd_type = LTTNG_ROTATION_GET_INFO; | |
38 | lsm.u.get_rotation_info.rotation_id = rotation_handle->rotation_id; | |
39 | ||
40 | ret = lttng_strncpy(lsm.session.name, rotation_handle->session_name, | |
41 | sizeof(lsm.session.name)); | |
42 | if (ret) { | |
43 | status = LTTNG_ROTATION_STATUS_INVALID; | |
44 | goto end; | |
45 | } | |
46 | ||
47 | ret = lttng_ctl_ask_sessiond(&lsm, (void **) info); | |
48 | if (ret < 0) { | |
49 | status = LTTNG_ROTATION_STATUS_ERROR; | |
50 | goto end; | |
51 | } | |
52 | end: | |
53 | return status; | |
54 | ||
55 | } | |
56 | ||
dd73d57b JG |
57 | static |
58 | struct lttng_trace_archive_location * | |
59 | create_trace_archive_location_from_get_info( | |
60 | const struct lttng_rotation_get_info_return *info) | |
61 | { | |
62 | struct lttng_trace_archive_location *location; | |
63 | ||
64 | switch (info->location_type) { | |
65 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
66 | location = lttng_trace_archive_location_local_create( | |
67 | info->location.local.absolute_path); | |
68 | break; | |
69 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
70 | location = lttng_trace_archive_location_relay_create( | |
71 | info->location.relay.host, | |
72 | info->location.relay.protocol, | |
73 | info->location.relay.ports.control, | |
74 | info->location.relay.ports.data, | |
75 | info->location.relay.relative_path); | |
76 | break; | |
77 | default: | |
78 | location = NULL; | |
79 | break; | |
80 | } | |
81 | return location; | |
82 | } | |
83 | ||
d68c9a04 JD |
84 | enum lttng_rotation_status lttng_rotation_handle_get_state( |
85 | struct lttng_rotation_handle *rotation_handle, | |
86 | enum lttng_rotation_state *state) | |
87 | { | |
88 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
89 | struct lttng_rotation_get_info_return *info = NULL; | |
d68c9a04 JD |
90 | |
91 | if (!rotation_handle || !state) { | |
92 | status = LTTNG_ROTATION_STATUS_INVALID; | |
93 | goto end; | |
94 | } | |
95 | ||
96 | status = ask_rotation_info(rotation_handle, &info); | |
97 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
98 | goto end; | |
99 | } | |
100 | ||
101 | *state = (enum lttng_rotation_state) info->status; | |
dd73d57b | 102 | if (rotation_handle->archive_location || |
d68c9a04 JD |
103 | *state != LTTNG_ROTATION_STATE_COMPLETED) { |
104 | /* | |
105 | * The path is only provided by the sessiond once | |
106 | * the session rotation is completed, but not expired. | |
107 | */ | |
108 | goto end; | |
109 | } | |
110 | ||
111 | /* | |
112 | * Cache the location since the rotation may expire before the user | |
113 | * has a chance to query it. | |
114 | */ | |
dd73d57b JG |
115 | rotation_handle->archive_location = |
116 | create_trace_archive_location_from_get_info(info); | |
117 | if (!rotation_handle->archive_location) { | |
d68c9a04 JD |
118 | status = LTTNG_ROTATION_STATUS_ERROR; |
119 | goto end; | |
120 | } | |
d68c9a04 JD |
121 | end: |
122 | free(info); | |
123 | return status; | |
124 | } | |
125 | ||
dd73d57b | 126 | enum lttng_rotation_status lttng_rotation_handle_get_archive_location( |
d68c9a04 | 127 | struct lttng_rotation_handle *rotation_handle, |
dd73d57b | 128 | const struct lttng_trace_archive_location **location) |
d68c9a04 | 129 | { |
d68c9a04 JD |
130 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; |
131 | struct lttng_rotation_get_info_return *info = NULL; | |
132 | ||
dd73d57b | 133 | if (!rotation_handle || !location) { |
d68c9a04 JD |
134 | status = LTTNG_ROTATION_STATUS_INVALID; |
135 | goto end; | |
136 | } | |
137 | ||
138 | /* Use the cached location we got from a previous query. */ | |
dd73d57b JG |
139 | if (rotation_handle->archive_location) { |
140 | *location = rotation_handle->archive_location; | |
d68c9a04 JD |
141 | goto end; |
142 | } | |
143 | ||
144 | status = ask_rotation_info(rotation_handle, &info); | |
145 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
146 | goto end; | |
147 | } | |
148 | ||
149 | if ((enum lttng_rotation_state) info->status != | |
150 | LTTNG_ROTATION_STATE_COMPLETED) { | |
151 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
152 | goto end; | |
153 | } | |
154 | ||
dd73d57b JG |
155 | rotation_handle->archive_location = |
156 | create_trace_archive_location_from_get_info(info); | |
157 | if (!rotation_handle->archive_location) { | |
d68c9a04 JD |
158 | status = LTTNG_ROTATION_STATUS_ERROR; |
159 | goto end; | |
160 | } | |
d68c9a04 JD |
161 | end: |
162 | free(info); | |
163 | return status; | |
164 | } | |
165 | ||
166 | void lttng_rotation_handle_destroy( | |
167 | struct lttng_rotation_handle *rotation_handle) | |
168 | { | |
06b180a1 JR |
169 | if (!rotation_handle) { |
170 | return; | |
171 | } | |
dd73d57b | 172 | lttng_trace_archive_location_destroy(rotation_handle->archive_location); |
d68c9a04 JD |
173 | free(rotation_handle); |
174 | } | |
175 | ||
176 | static | |
177 | int init_rotation_handle(struct lttng_rotation_handle *rotation_handle, | |
dbd512ea | 178 | const char *session_name, |
66ea93b1 | 179 | struct lttng_rotate_session_return *rotate_return) |
d68c9a04 JD |
180 | { |
181 | int ret; | |
182 | ||
dbd512ea | 183 | ret = lttng_strncpy(rotation_handle->session_name, session_name, |
d68c9a04 JD |
184 | sizeof(rotation_handle->session_name)); |
185 | if (ret) { | |
186 | goto end; | |
187 | } | |
188 | ||
189 | rotation_handle->rotation_id = rotate_return->rotation_id; | |
190 | end: | |
191 | return ret; | |
192 | } | |
193 | ||
194 | /* | |
195 | * Rotate the output folder of the session. | |
196 | * | |
197 | * Return 0 on success else a negative LTTng error code. | |
198 | */ | |
dbd512ea | 199 | int lttng_rotate_session(const char *session_name, |
66ea93b1 | 200 | struct lttng_rotation_immediate_descriptor *descriptor, |
d68c9a04 JD |
201 | struct lttng_rotation_handle **rotation_handle) |
202 | { | |
203 | struct lttcomm_session_msg lsm; | |
204 | struct lttng_rotate_session_return *rotate_return = NULL; | |
205 | int ret; | |
dbd512ea | 206 | size_t session_name_len; |
d68c9a04 | 207 | |
dbd512ea JG |
208 | if (!session_name) { |
209 | ret = -LTTNG_ERR_INVALID; | |
210 | goto end; | |
211 | } | |
212 | ||
213 | session_name_len = strlen(session_name); | |
214 | if (session_name_len >= sizeof(lsm.session.name) || | |
215 | session_name_len >= member_sizeof(struct lttng_rotation_handle, session_name)) { | |
d68c9a04 JD |
216 | ret = -LTTNG_ERR_INVALID; |
217 | goto end; | |
218 | } | |
219 | ||
220 | memset(&lsm, 0, sizeof(lsm)); | |
221 | lsm.cmd_type = LTTNG_ROTATE_SESSION; | |
e1b624d0 JG |
222 | |
223 | ret = lttng_strncpy(lsm.session.name, session_name, | |
224 | sizeof(lsm.session.name)); | |
225 | /* Source length already validated. */ | |
226 | assert(ret == 0); | |
d68c9a04 JD |
227 | |
228 | ret = lttng_ctl_ask_sessiond(&lsm, (void **) &rotate_return); | |
1320cab1 | 229 | if (ret <= 0) { |
d68c9a04 JD |
230 | *rotation_handle = NULL; |
231 | goto end; | |
232 | } | |
233 | ||
234 | *rotation_handle = zmalloc(sizeof(struct lttng_rotation_handle)); | |
235 | if (!*rotation_handle) { | |
236 | ret = -LTTNG_ERR_NOMEM; | |
237 | goto end; | |
238 | } | |
239 | ||
66ea93b1 | 240 | init_rotation_handle(*rotation_handle, session_name, rotate_return); |
d68c9a04 JD |
241 | |
242 | ret = 0; | |
243 | ||
244 | end: | |
245 | free(rotate_return); | |
246 | return ret; | |
247 | } | |
259c2674 JD |
248 | |
249 | /* | |
66ea93b1 JG |
250 | * Update the automatic rotation parameters. |
251 | * 'add' as true enables the provided schedule, false removes the shedule. | |
252 | * | |
253 | * The external API makes it appear as though arbitrary schedules can | |
254 | * be added or removed at will. However, the session daemon is | |
255 | * currently limited to one schedule per type (per session). | |
256 | * | |
257 | * The additional flexibility of the public API is offered for future | |
258 | * rotation schedules that could indicate more precise criteria than | |
259 | * size and time (e.g. a domain) where it could make sense to add | |
260 | * multiple schedules of a given type to a session. | |
261 | * | |
262 | * Hence, the exact schedule that the user wishes to remove (and not | |
263 | * just its type) must be passed so that the session daemon can | |
264 | * validate that is exists before clearing it. | |
259c2674 | 265 | */ |
66ea93b1 JG |
266 | static |
267 | enum lttng_rotation_status lttng_rotation_update_schedule( | |
268 | const char *session_name, | |
269 | const struct lttng_rotation_schedule *schedule, | |
270 | bool add) | |
259c2674 JD |
271 | { |
272 | struct lttcomm_session_msg lsm; | |
66ea93b1 | 273 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; |
259c2674 JD |
274 | int ret; |
275 | ||
66ea93b1 JG |
276 | if (!session_name || !schedule) { |
277 | status = LTTNG_ROTATION_STATUS_INVALID; | |
dbd512ea JG |
278 | goto end; |
279 | } | |
280 | ||
281 | if (strlen(session_name) >= sizeof(lsm.session.name)) { | |
66ea93b1 | 282 | status = LTTNG_ROTATION_STATUS_INVALID; |
259c2674 JD |
283 | goto end; |
284 | } | |
285 | ||
286 | memset(&lsm, 0, sizeof(lsm)); | |
287 | lsm.cmd_type = LTTNG_ROTATION_SET_SCHEDULE; | |
e1b624d0 | 288 | ret = lttng_strncpy(lsm.session.name, session_name, |
259c2674 | 289 | sizeof(lsm.session.name)); |
e1b624d0 JG |
290 | /* Source length already validated. */ |
291 | assert(ret == 0); | |
66ea93b1 JG |
292 | |
293 | lsm.u.rotation_set_schedule.type = (uint32_t) schedule->type; | |
294 | switch (schedule->type) { | |
295 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
296 | { | |
7370c955 JG |
297 | uint64_t threshold; |
298 | ||
66ea93b1 | 299 | status = lttng_rotation_schedule_size_threshold_get_threshold( |
7370c955 | 300 | schedule, &threshold); |
66ea93b1 | 301 | if (status != LTTNG_ROTATION_STATUS_OK) { |
ed9f1fb2 JG |
302 | if (status == LTTNG_ROTATION_STATUS_UNAVAILABLE) { |
303 | status = LTTNG_ROTATION_STATUS_INVALID; | |
304 | } | |
66ea93b1 JG |
305 | goto end; |
306 | } | |
7370c955 | 307 | lsm.u.rotation_set_schedule.value = threshold; |
66ea93b1 JG |
308 | lsm.u.rotation_set_schedule.set = !!add; |
309 | break; | |
310 | } | |
311 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
312 | { | |
7370c955 JG |
313 | uint64_t period; |
314 | ||
66ea93b1 | 315 | status = lttng_rotation_schedule_periodic_get_period( |
7370c955 | 316 | schedule, &period); |
66ea93b1 | 317 | if (status != LTTNG_ROTATION_STATUS_OK) { |
ed9f1fb2 JG |
318 | if (status == LTTNG_ROTATION_STATUS_UNAVAILABLE) { |
319 | status = LTTNG_ROTATION_STATUS_INVALID; | |
320 | } | |
66ea93b1 JG |
321 | goto end; |
322 | } | |
7370c955 | 323 | lsm.u.rotation_set_schedule.value = period; |
66ea93b1 JG |
324 | lsm.u.rotation_set_schedule.set = !!add; |
325 | break; | |
326 | } | |
327 | default: | |
328 | status = LTTNG_ROTATION_STATUS_INVALID; | |
329 | goto end; | |
330 | } | |
259c2674 JD |
331 | |
332 | ret = lttng_ctl_ask_sessiond(&lsm, NULL); | |
66ea93b1 JG |
333 | if (ret >= 0) { |
334 | goto end; | |
335 | } | |
336 | ||
337 | switch (-ret) { | |
338 | case LTTNG_ERR_ROTATION_SCHEDULE_SET: | |
339 | status = LTTNG_ROTATION_STATUS_SCHEDULE_ALREADY_SET; | |
340 | break; | |
341 | case LTTNG_ERR_ROTATION_SCHEDULE_NOT_SET: | |
342 | status = LTTNG_ROTATION_STATUS_INVALID; | |
343 | break; | |
344 | default: | |
345 | status = LTTNG_ROTATION_STATUS_ERROR; | |
346 | } | |
259c2674 | 347 | end: |
66ea93b1 JG |
348 | return status; |
349 | } | |
350 | ||
351 | static | |
352 | struct lttng_rotation_schedules *lttng_rotation_schedules_create(void) | |
353 | { | |
354 | return zmalloc(sizeof(struct lttng_rotation_schedules)); | |
259c2674 | 355 | } |
329f3443 | 356 | |
66ea93b1 JG |
357 | static |
358 | void lttng_schedules_add(struct lttng_rotation_schedules *schedules, | |
359 | struct lttng_rotation_schedule *schedule) | |
360 | { | |
361 | schedules->schedules[schedules->count++] = schedule; | |
362 | } | |
363 | ||
364 | static | |
365 | int get_schedules(const char *session_name, | |
366 | struct lttng_rotation_schedules **_schedules) | |
329f3443 | 367 | { |
329f3443 | 368 | int ret; |
66ea93b1 | 369 | struct lttcomm_session_msg lsm; |
25357057 | 370 | struct lttng_session_list_schedules_return *schedules_comm = NULL; |
66ea93b1 JG |
371 | struct lttng_rotation_schedules *schedules = NULL; |
372 | struct lttng_rotation_schedule *periodic = NULL, *size = NULL; | |
329f3443 | 373 | |
e1b624d0 JG |
374 | if (!session_name) { |
375 | ret = -LTTNG_ERR_INVALID; | |
376 | goto end; | |
377 | } | |
378 | ||
329f3443 | 379 | memset(&lsm, 0, sizeof(lsm)); |
66ea93b1 | 380 | lsm.cmd_type = LTTNG_SESSION_LIST_ROTATION_SCHEDULES; |
e1b624d0 | 381 | ret = lttng_strncpy(lsm.session.name, session_name, |
329f3443 | 382 | sizeof(lsm.session.name)); |
e1b624d0 JG |
383 | if (ret) { |
384 | ret = -LTTNG_ERR_INVALID; | |
385 | goto end; | |
386 | } | |
329f3443 | 387 | |
66ea93b1 | 388 | ret = lttng_ctl_ask_sessiond(&lsm, (void **) &schedules_comm); |
329f3443 | 389 | if (ret < 0) { |
329f3443 JD |
390 | goto end; |
391 | } | |
392 | ||
66ea93b1 JG |
393 | schedules = lttng_rotation_schedules_create(); |
394 | if (!schedules) { | |
395 | ret = -LTTNG_ERR_NOMEM; | |
396 | goto end; | |
397 | } | |
398 | ||
399 | if (schedules_comm->periodic.set == 1) { | |
400 | enum lttng_rotation_status status; | |
401 | ||
402 | periodic = lttng_rotation_schedule_periodic_create(); | |
403 | if (!periodic) { | |
404 | ret = -LTTNG_ERR_NOMEM; | |
405 | goto end; | |
406 | } | |
407 | ||
408 | status = lttng_rotation_schedule_periodic_set_period( | |
409 | periodic, schedules_comm->periodic.value); | |
410 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
411 | /* | |
412 | * This would imply that the session daemon returned | |
413 | * an invalid periodic rotation schedule value. | |
414 | */ | |
415 | ret = -LTTNG_ERR_UNK; | |
416 | goto end; | |
417 | } | |
418 | ||
419 | lttng_schedules_add(schedules, periodic); | |
420 | periodic = NULL; | |
421 | } | |
422 | ||
423 | if (schedules_comm->size.set == 1) { | |
424 | enum lttng_rotation_status status; | |
425 | ||
426 | size = lttng_rotation_schedule_size_threshold_create(); | |
427 | if (!size) { | |
428 | ret = -LTTNG_ERR_NOMEM; | |
429 | goto end; | |
430 | } | |
431 | ||
432 | status = lttng_rotation_schedule_size_threshold_set_threshold( | |
433 | size, schedules_comm->size.value); | |
434 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
435 | /* | |
436 | * This would imply that the session daemon returned | |
437 | * an invalid size threshold schedule value. | |
438 | */ | |
439 | ret = -LTTNG_ERR_UNK; | |
440 | goto end; | |
441 | } | |
442 | ||
443 | lttng_schedules_add(schedules, size); | |
444 | size = NULL; | |
445 | } | |
446 | ||
447 | ret = LTTNG_OK; | |
329f3443 | 448 | end: |
66ea93b1 JG |
449 | free(schedules_comm); |
450 | free(periodic); | |
451 | free(size); | |
452 | *_schedules = schedules; | |
329f3443 JD |
453 | return ret; |
454 | } | |
455 | ||
66ea93b1 JG |
456 | enum lttng_rotation_schedule_type lttng_rotation_schedule_get_type( |
457 | const struct lttng_rotation_schedule *schedule) | |
329f3443 | 458 | { |
66ea93b1 JG |
459 | return schedule ? schedule->type : LTTNG_ROTATION_SCHEDULE_TYPE_UNKNOWN; |
460 | } | |
329f3443 | 461 | |
66ea93b1 JG |
462 | struct lttng_rotation_schedule * |
463 | lttng_rotation_schedule_size_threshold_create(void) | |
464 | { | |
465 | struct lttng_rotation_schedule_size_threshold *schedule; | |
329f3443 | 466 | |
66ea93b1 JG |
467 | schedule = zmalloc(sizeof(*schedule)); |
468 | if (!schedule) { | |
329f3443 JD |
469 | goto end; |
470 | } | |
471 | ||
66ea93b1 JG |
472 | schedule->parent.type = LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD; |
473 | end: | |
474 | return &schedule->parent; | |
475 | } | |
476 | ||
477 | enum lttng_rotation_status | |
478 | lttng_rotation_schedule_size_threshold_get_threshold( | |
479 | const struct lttng_rotation_schedule *schedule, | |
480 | uint64_t *size_threshold_bytes) | |
481 | { | |
482 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
483 | struct lttng_rotation_schedule_size_threshold *size_schedule; | |
329f3443 | 484 | |
ed9f1fb2 JG |
485 | if (!schedule || !size_threshold_bytes || |
486 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD) { | |
66ea93b1 JG |
487 | status = LTTNG_ROTATION_STATUS_INVALID; |
488 | goto end; | |
489 | } | |
490 | ||
491 | size_schedule = container_of(schedule, | |
492 | struct lttng_rotation_schedule_size_threshold, | |
493 | parent); | |
494 | if (size_schedule->size.set) { | |
495 | *size_threshold_bytes = size_schedule->size.bytes; | |
496 | } else { | |
497 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
498 | goto end; | |
499 | } | |
500 | end: | |
501 | return status; | |
502 | } | |
503 | ||
504 | enum lttng_rotation_status | |
505 | lttng_rotation_schedule_size_threshold_set_threshold( | |
506 | struct lttng_rotation_schedule *schedule, | |
507 | uint64_t size_threshold_bytes) | |
508 | { | |
509 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
510 | struct lttng_rotation_schedule_size_threshold *size_schedule; | |
511 | ||
512 | if (!schedule || size_threshold_bytes == 0 || | |
ed9f1fb2 JG |
513 | size_threshold_bytes == -1ULL || |
514 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD) { | |
66ea93b1 JG |
515 | status = LTTNG_ROTATION_STATUS_INVALID; |
516 | goto end; | |
517 | } | |
329f3443 | 518 | |
66ea93b1 JG |
519 | size_schedule = container_of(schedule, |
520 | struct lttng_rotation_schedule_size_threshold, | |
521 | parent); | |
522 | size_schedule->size.bytes = size_threshold_bytes; | |
523 | size_schedule->size.set = true; | |
329f3443 | 524 | end: |
66ea93b1 JG |
525 | return status; |
526 | } | |
527 | ||
528 | struct lttng_rotation_schedule * | |
529 | lttng_rotation_schedule_periodic_create(void) | |
530 | { | |
531 | struct lttng_rotation_schedule_periodic *schedule; | |
532 | ||
533 | schedule = zmalloc(sizeof(*schedule)); | |
534 | if (!schedule) { | |
535 | goto end; | |
536 | } | |
537 | ||
538 | schedule->parent.type = LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC; | |
539 | end: | |
540 | return &schedule->parent; | |
541 | } | |
542 | ||
543 | enum lttng_rotation_status | |
544 | lttng_rotation_schedule_periodic_get_period( | |
545 | const struct lttng_rotation_schedule *schedule, | |
546 | uint64_t *period_us) | |
547 | { | |
548 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
549 | struct lttng_rotation_schedule_periodic *periodic_schedule; | |
550 | ||
ed9f1fb2 JG |
551 | if (!schedule || !period_us || |
552 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC) { | |
66ea93b1 JG |
553 | status = LTTNG_ROTATION_STATUS_INVALID; |
554 | goto end; | |
555 | } | |
556 | ||
557 | periodic_schedule = container_of(schedule, | |
558 | struct lttng_rotation_schedule_periodic, | |
559 | parent); | |
560 | if (periodic_schedule->period.set) { | |
561 | *period_us = periodic_schedule->period.us; | |
562 | } else { | |
563 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
564 | goto end; | |
565 | } | |
566 | end: | |
567 | return status; | |
568 | } | |
569 | ||
570 | enum lttng_rotation_status | |
571 | lttng_rotation_schedule_periodic_set_period( | |
572 | struct lttng_rotation_schedule *schedule, | |
573 | uint64_t period_us) | |
574 | { | |
575 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
576 | struct lttng_rotation_schedule_periodic *periodic_schedule; | |
577 | ||
ed9f1fb2 JG |
578 | if (!schedule || period_us == 0 || period_us == -1ULL || |
579 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC) { | |
66ea93b1 JG |
580 | status = LTTNG_ROTATION_STATUS_INVALID; |
581 | goto end; | |
582 | } | |
583 | ||
584 | periodic_schedule = container_of(schedule, | |
585 | struct lttng_rotation_schedule_periodic, | |
586 | parent); | |
587 | periodic_schedule->period.us = period_us; | |
588 | periodic_schedule->period.set = true; | |
589 | end: | |
590 | return status; | |
591 | } | |
592 | ||
593 | void lttng_rotation_schedule_destroy(struct lttng_rotation_schedule *schedule) | |
594 | { | |
595 | if (!schedule) { | |
596 | return; | |
597 | } | |
598 | free(schedule); | |
599 | } | |
600 | ||
601 | void lttng_rotation_schedules_destroy( | |
602 | struct lttng_rotation_schedules *schedules) | |
603 | { | |
604 | unsigned int i; | |
605 | ||
606 | if (!schedules) { | |
607 | return; | |
608 | } | |
609 | ||
610 | for (i = 0; i < schedules->count; i++) { | |
611 | lttng_rotation_schedule_destroy(schedules->schedules[i]); | |
612 | } | |
613 | free(schedules); | |
614 | } | |
615 | ||
616 | ||
617 | enum lttng_rotation_status lttng_rotation_schedules_get_count( | |
618 | const struct lttng_rotation_schedules *schedules, | |
619 | unsigned int *count) | |
620 | { | |
621 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
622 | ||
623 | if (!schedules || !count) { | |
624 | status = LTTNG_ROTATION_STATUS_INVALID; | |
625 | goto end; | |
626 | } | |
627 | ||
628 | *count = schedules->count; | |
629 | end: | |
630 | return status; | |
631 | } | |
632 | ||
633 | const struct lttng_rotation_schedule *lttng_rotation_schedules_get_at_index( | |
634 | const struct lttng_rotation_schedules *schedules, | |
635 | unsigned int index) | |
636 | { | |
637 | const struct lttng_rotation_schedule *schedule = NULL; | |
638 | ||
639 | if (!schedules || index >= schedules->count) { | |
640 | goto end; | |
641 | } | |
642 | ||
643 | schedule = schedules->schedules[index]; | |
644 | end: | |
645 | return schedule; | |
646 | } | |
647 | ||
648 | enum lttng_rotation_status lttng_session_add_rotation_schedule( | |
649 | const char *session_name, | |
650 | const struct lttng_rotation_schedule *schedule) | |
651 | { | |
652 | return lttng_rotation_update_schedule(session_name, schedule, true); | |
653 | } | |
654 | ||
655 | enum lttng_rotation_status lttng_session_remove_rotation_schedule( | |
656 | const char *session_name, | |
657 | const struct lttng_rotation_schedule *schedule) | |
658 | { | |
659 | return lttng_rotation_update_schedule(session_name, schedule, false); | |
660 | } | |
661 | ||
662 | int lttng_session_list_rotation_schedules( | |
663 | const char *session_name, | |
664 | struct lttng_rotation_schedules **schedules) | |
665 | { | |
666 | return get_schedules(session_name, schedules); | |
329f3443 | 667 | } |