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d68c9a04 JD |
1 | /* |
2 | * Copyright (C) 2017 - Julien Desfossez <jdesfossez@efficios.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | #define _LGPL_SOURCE | |
19 | #include <assert.h> | |
20 | #include <string.h> | |
21 | ||
22 | #include <lttng/lttng-error.h> | |
23 | #include <lttng/rotation.h> | |
dd73d57b | 24 | #include <lttng/location-internal.h> |
d68c9a04 JD |
25 | #include <lttng/rotate-internal.h> |
26 | #include <common/sessiond-comm/sessiond-comm.h> | |
27 | #include <common/macros.h> | |
28 | ||
29 | #include "lttng-ctl-helper.h" | |
30 | ||
d68c9a04 JD |
31 | static |
32 | enum lttng_rotation_status ask_rotation_info( | |
33 | struct lttng_rotation_handle *rotation_handle, | |
34 | struct lttng_rotation_get_info_return **info) | |
35 | { | |
36 | /* lsm.get_rotation_state.rotation_id */ | |
37 | struct lttcomm_session_msg lsm; | |
38 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
39 | int ret; | |
40 | ||
41 | if (!rotation_handle || !info) { | |
42 | status = LTTNG_ROTATION_STATUS_INVALID; | |
43 | goto end; | |
44 | } | |
45 | ||
46 | memset(&lsm, 0, sizeof(lsm)); | |
47 | lsm.cmd_type = LTTNG_ROTATION_GET_INFO; | |
48 | lsm.u.get_rotation_info.rotation_id = rotation_handle->rotation_id; | |
49 | ||
50 | ret = lttng_strncpy(lsm.session.name, rotation_handle->session_name, | |
51 | sizeof(lsm.session.name)); | |
52 | if (ret) { | |
53 | status = LTTNG_ROTATION_STATUS_INVALID; | |
54 | goto end; | |
55 | } | |
56 | ||
57 | ret = lttng_ctl_ask_sessiond(&lsm, (void **) info); | |
58 | if (ret < 0) { | |
59 | status = LTTNG_ROTATION_STATUS_ERROR; | |
60 | goto end; | |
61 | } | |
62 | end: | |
63 | return status; | |
64 | ||
65 | } | |
66 | ||
dd73d57b JG |
67 | static |
68 | struct lttng_trace_archive_location * | |
69 | create_trace_archive_location_from_get_info( | |
70 | const struct lttng_rotation_get_info_return *info) | |
71 | { | |
72 | struct lttng_trace_archive_location *location; | |
73 | ||
74 | switch (info->location_type) { | |
75 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
76 | location = lttng_trace_archive_location_local_create( | |
77 | info->location.local.absolute_path); | |
78 | break; | |
79 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
80 | location = lttng_trace_archive_location_relay_create( | |
81 | info->location.relay.host, | |
82 | info->location.relay.protocol, | |
83 | info->location.relay.ports.control, | |
84 | info->location.relay.ports.data, | |
85 | info->location.relay.relative_path); | |
86 | break; | |
87 | default: | |
88 | location = NULL; | |
89 | break; | |
90 | } | |
91 | return location; | |
92 | } | |
93 | ||
d68c9a04 JD |
94 | enum lttng_rotation_status lttng_rotation_handle_get_state( |
95 | struct lttng_rotation_handle *rotation_handle, | |
96 | enum lttng_rotation_state *state) | |
97 | { | |
98 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
99 | struct lttng_rotation_get_info_return *info = NULL; | |
d68c9a04 JD |
100 | |
101 | if (!rotation_handle || !state) { | |
102 | status = LTTNG_ROTATION_STATUS_INVALID; | |
103 | goto end; | |
104 | } | |
105 | ||
106 | status = ask_rotation_info(rotation_handle, &info); | |
107 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
108 | goto end; | |
109 | } | |
110 | ||
111 | *state = (enum lttng_rotation_state) info->status; | |
dd73d57b | 112 | if (rotation_handle->archive_location || |
d68c9a04 JD |
113 | *state != LTTNG_ROTATION_STATE_COMPLETED) { |
114 | /* | |
115 | * The path is only provided by the sessiond once | |
116 | * the session rotation is completed, but not expired. | |
117 | */ | |
118 | goto end; | |
119 | } | |
120 | ||
121 | /* | |
122 | * Cache the location since the rotation may expire before the user | |
123 | * has a chance to query it. | |
124 | */ | |
dd73d57b JG |
125 | rotation_handle->archive_location = |
126 | create_trace_archive_location_from_get_info(info); | |
127 | if (!rotation_handle->archive_location) { | |
d68c9a04 JD |
128 | status = LTTNG_ROTATION_STATUS_ERROR; |
129 | goto end; | |
130 | } | |
d68c9a04 JD |
131 | end: |
132 | free(info); | |
133 | return status; | |
134 | } | |
135 | ||
dd73d57b | 136 | enum lttng_rotation_status lttng_rotation_handle_get_archive_location( |
d68c9a04 | 137 | struct lttng_rotation_handle *rotation_handle, |
dd73d57b | 138 | const struct lttng_trace_archive_location **location) |
d68c9a04 | 139 | { |
d68c9a04 JD |
140 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; |
141 | struct lttng_rotation_get_info_return *info = NULL; | |
142 | ||
dd73d57b | 143 | if (!rotation_handle || !location) { |
d68c9a04 JD |
144 | status = LTTNG_ROTATION_STATUS_INVALID; |
145 | goto end; | |
146 | } | |
147 | ||
148 | /* Use the cached location we got from a previous query. */ | |
dd73d57b JG |
149 | if (rotation_handle->archive_location) { |
150 | *location = rotation_handle->archive_location; | |
d68c9a04 JD |
151 | goto end; |
152 | } | |
153 | ||
154 | status = ask_rotation_info(rotation_handle, &info); | |
155 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
156 | goto end; | |
157 | } | |
158 | ||
159 | if ((enum lttng_rotation_state) info->status != | |
160 | LTTNG_ROTATION_STATE_COMPLETED) { | |
161 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
162 | goto end; | |
163 | } | |
164 | ||
dd73d57b JG |
165 | rotation_handle->archive_location = |
166 | create_trace_archive_location_from_get_info(info); | |
167 | if (!rotation_handle->archive_location) { | |
d68c9a04 JD |
168 | status = LTTNG_ROTATION_STATUS_ERROR; |
169 | goto end; | |
170 | } | |
d68c9a04 JD |
171 | end: |
172 | free(info); | |
173 | return status; | |
174 | } | |
175 | ||
176 | void lttng_rotation_handle_destroy( | |
177 | struct lttng_rotation_handle *rotation_handle) | |
178 | { | |
06b180a1 JR |
179 | if (!rotation_handle) { |
180 | return; | |
181 | } | |
dd73d57b | 182 | lttng_trace_archive_location_destroy(rotation_handle->archive_location); |
d68c9a04 JD |
183 | free(rotation_handle); |
184 | } | |
185 | ||
186 | static | |
187 | int init_rotation_handle(struct lttng_rotation_handle *rotation_handle, | |
dbd512ea | 188 | const char *session_name, |
66ea93b1 | 189 | struct lttng_rotate_session_return *rotate_return) |
d68c9a04 JD |
190 | { |
191 | int ret; | |
192 | ||
dbd512ea | 193 | ret = lttng_strncpy(rotation_handle->session_name, session_name, |
d68c9a04 JD |
194 | sizeof(rotation_handle->session_name)); |
195 | if (ret) { | |
196 | goto end; | |
197 | } | |
198 | ||
199 | rotation_handle->rotation_id = rotate_return->rotation_id; | |
200 | end: | |
201 | return ret; | |
202 | } | |
203 | ||
204 | /* | |
205 | * Rotate the output folder of the session. | |
206 | * | |
207 | * Return 0 on success else a negative LTTng error code. | |
208 | */ | |
dbd512ea | 209 | int lttng_rotate_session(const char *session_name, |
66ea93b1 | 210 | struct lttng_rotation_immediate_descriptor *descriptor, |
d68c9a04 JD |
211 | struct lttng_rotation_handle **rotation_handle) |
212 | { | |
213 | struct lttcomm_session_msg lsm; | |
214 | struct lttng_rotate_session_return *rotate_return = NULL; | |
215 | int ret; | |
dbd512ea | 216 | size_t session_name_len; |
d68c9a04 | 217 | |
dbd512ea JG |
218 | if (!session_name) { |
219 | ret = -LTTNG_ERR_INVALID; | |
220 | goto end; | |
221 | } | |
222 | ||
223 | session_name_len = strlen(session_name); | |
224 | if (session_name_len >= sizeof(lsm.session.name) || | |
225 | session_name_len >= member_sizeof(struct lttng_rotation_handle, session_name)) { | |
d68c9a04 JD |
226 | ret = -LTTNG_ERR_INVALID; |
227 | goto end; | |
228 | } | |
229 | ||
230 | memset(&lsm, 0, sizeof(lsm)); | |
231 | lsm.cmd_type = LTTNG_ROTATE_SESSION; | |
dbd512ea | 232 | lttng_ctl_copy_string(lsm.session.name, session_name, |
d68c9a04 JD |
233 | sizeof(lsm.session.name)); |
234 | ||
235 | ret = lttng_ctl_ask_sessiond(&lsm, (void **) &rotate_return); | |
236 | if (ret < 0) { | |
237 | *rotation_handle = NULL; | |
238 | goto end; | |
239 | } | |
240 | ||
241 | *rotation_handle = zmalloc(sizeof(struct lttng_rotation_handle)); | |
242 | if (!*rotation_handle) { | |
243 | ret = -LTTNG_ERR_NOMEM; | |
244 | goto end; | |
245 | } | |
246 | ||
66ea93b1 | 247 | init_rotation_handle(*rotation_handle, session_name, rotate_return); |
d68c9a04 JD |
248 | |
249 | ret = 0; | |
250 | ||
251 | end: | |
252 | free(rotate_return); | |
253 | return ret; | |
254 | } | |
259c2674 JD |
255 | |
256 | /* | |
66ea93b1 JG |
257 | * Update the automatic rotation parameters. |
258 | * 'add' as true enables the provided schedule, false removes the shedule. | |
259 | * | |
260 | * The external API makes it appear as though arbitrary schedules can | |
261 | * be added or removed at will. However, the session daemon is | |
262 | * currently limited to one schedule per type (per session). | |
263 | * | |
264 | * The additional flexibility of the public API is offered for future | |
265 | * rotation schedules that could indicate more precise criteria than | |
266 | * size and time (e.g. a domain) where it could make sense to add | |
267 | * multiple schedules of a given type to a session. | |
268 | * | |
269 | * Hence, the exact schedule that the user wishes to remove (and not | |
270 | * just its type) must be passed so that the session daemon can | |
271 | * validate that is exists before clearing it. | |
259c2674 | 272 | */ |
66ea93b1 JG |
273 | static |
274 | enum lttng_rotation_status lttng_rotation_update_schedule( | |
275 | const char *session_name, | |
276 | const struct lttng_rotation_schedule *schedule, | |
277 | bool add) | |
259c2674 JD |
278 | { |
279 | struct lttcomm_session_msg lsm; | |
66ea93b1 | 280 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; |
259c2674 JD |
281 | int ret; |
282 | ||
66ea93b1 JG |
283 | if (!session_name || !schedule) { |
284 | status = LTTNG_ROTATION_STATUS_INVALID; | |
dbd512ea JG |
285 | goto end; |
286 | } | |
287 | ||
288 | if (strlen(session_name) >= sizeof(lsm.session.name)) { | |
66ea93b1 | 289 | status = LTTNG_ROTATION_STATUS_INVALID; |
259c2674 JD |
290 | goto end; |
291 | } | |
292 | ||
293 | memset(&lsm, 0, sizeof(lsm)); | |
294 | lsm.cmd_type = LTTNG_ROTATION_SET_SCHEDULE; | |
dbd512ea | 295 | lttng_ctl_copy_string(lsm.session.name, session_name, |
259c2674 | 296 | sizeof(lsm.session.name)); |
66ea93b1 JG |
297 | |
298 | lsm.u.rotation_set_schedule.type = (uint32_t) schedule->type; | |
299 | switch (schedule->type) { | |
300 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
301 | { | |
302 | status = lttng_rotation_schedule_size_threshold_get_threshold( | |
303 | schedule, &lsm.u.rotation_set_schedule.value); | |
304 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
305 | goto end; | |
306 | } | |
307 | ||
308 | lsm.u.rotation_set_schedule.set = !!add; | |
309 | break; | |
310 | } | |
311 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
312 | { | |
313 | status = lttng_rotation_schedule_periodic_get_period( | |
314 | schedule, &lsm.u.rotation_set_schedule.value); | |
315 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
316 | goto end; | |
317 | } | |
318 | ||
319 | lsm.u.rotation_set_schedule.set = !!add; | |
320 | break; | |
321 | } | |
322 | default: | |
323 | status = LTTNG_ROTATION_STATUS_INVALID; | |
324 | goto end; | |
325 | } | |
259c2674 JD |
326 | |
327 | ret = lttng_ctl_ask_sessiond(&lsm, NULL); | |
66ea93b1 JG |
328 | if (ret >= 0) { |
329 | goto end; | |
330 | } | |
331 | ||
332 | switch (-ret) { | |
333 | case LTTNG_ERR_ROTATION_SCHEDULE_SET: | |
334 | status = LTTNG_ROTATION_STATUS_SCHEDULE_ALREADY_SET; | |
335 | break; | |
336 | case LTTNG_ERR_ROTATION_SCHEDULE_NOT_SET: | |
337 | status = LTTNG_ROTATION_STATUS_INVALID; | |
338 | break; | |
339 | default: | |
340 | status = LTTNG_ROTATION_STATUS_ERROR; | |
341 | } | |
259c2674 | 342 | end: |
66ea93b1 JG |
343 | return status; |
344 | } | |
345 | ||
346 | static | |
347 | struct lttng_rotation_schedules *lttng_rotation_schedules_create(void) | |
348 | { | |
349 | return zmalloc(sizeof(struct lttng_rotation_schedules)); | |
259c2674 | 350 | } |
329f3443 | 351 | |
66ea93b1 JG |
352 | static |
353 | void lttng_schedules_add(struct lttng_rotation_schedules *schedules, | |
354 | struct lttng_rotation_schedule *schedule) | |
355 | { | |
356 | schedules->schedules[schedules->count++] = schedule; | |
357 | } | |
358 | ||
359 | static | |
360 | int get_schedules(const char *session_name, | |
361 | struct lttng_rotation_schedules **_schedules) | |
329f3443 | 362 | { |
329f3443 | 363 | int ret; |
66ea93b1 JG |
364 | struct lttcomm_session_msg lsm; |
365 | struct lttng_session_list_schedules_return *schedules_comm; | |
366 | struct lttng_rotation_schedules *schedules = NULL; | |
367 | struct lttng_rotation_schedule *periodic = NULL, *size = NULL; | |
329f3443 JD |
368 | |
369 | memset(&lsm, 0, sizeof(lsm)); | |
66ea93b1 | 370 | lsm.cmd_type = LTTNG_SESSION_LIST_ROTATION_SCHEDULES; |
329f3443 JD |
371 | lttng_ctl_copy_string(lsm.session.name, session_name, |
372 | sizeof(lsm.session.name)); | |
373 | ||
66ea93b1 | 374 | ret = lttng_ctl_ask_sessiond(&lsm, (void **) &schedules_comm); |
329f3443 | 375 | if (ret < 0) { |
329f3443 JD |
376 | goto end; |
377 | } | |
378 | ||
66ea93b1 JG |
379 | schedules = lttng_rotation_schedules_create(); |
380 | if (!schedules) { | |
381 | ret = -LTTNG_ERR_NOMEM; | |
382 | goto end; | |
383 | } | |
384 | ||
385 | if (schedules_comm->periodic.set == 1) { | |
386 | enum lttng_rotation_status status; | |
387 | ||
388 | periodic = lttng_rotation_schedule_periodic_create(); | |
389 | if (!periodic) { | |
390 | ret = -LTTNG_ERR_NOMEM; | |
391 | goto end; | |
392 | } | |
393 | ||
394 | status = lttng_rotation_schedule_periodic_set_period( | |
395 | periodic, schedules_comm->periodic.value); | |
396 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
397 | /* | |
398 | * This would imply that the session daemon returned | |
399 | * an invalid periodic rotation schedule value. | |
400 | */ | |
401 | ret = -LTTNG_ERR_UNK; | |
402 | goto end; | |
403 | } | |
404 | ||
405 | lttng_schedules_add(schedules, periodic); | |
406 | periodic = NULL; | |
407 | } | |
408 | ||
409 | if (schedules_comm->size.set == 1) { | |
410 | enum lttng_rotation_status status; | |
411 | ||
412 | size = lttng_rotation_schedule_size_threshold_create(); | |
413 | if (!size) { | |
414 | ret = -LTTNG_ERR_NOMEM; | |
415 | goto end; | |
416 | } | |
417 | ||
418 | status = lttng_rotation_schedule_size_threshold_set_threshold( | |
419 | size, schedules_comm->size.value); | |
420 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
421 | /* | |
422 | * This would imply that the session daemon returned | |
423 | * an invalid size threshold schedule value. | |
424 | */ | |
425 | ret = -LTTNG_ERR_UNK; | |
426 | goto end; | |
427 | } | |
428 | ||
429 | lttng_schedules_add(schedules, size); | |
430 | size = NULL; | |
431 | } | |
432 | ||
433 | ret = LTTNG_OK; | |
329f3443 | 434 | end: |
66ea93b1 JG |
435 | free(schedules_comm); |
436 | free(periodic); | |
437 | free(size); | |
438 | *_schedules = schedules; | |
329f3443 JD |
439 | return ret; |
440 | } | |
441 | ||
66ea93b1 JG |
442 | enum lttng_rotation_schedule_type lttng_rotation_schedule_get_type( |
443 | const struct lttng_rotation_schedule *schedule) | |
329f3443 | 444 | { |
66ea93b1 JG |
445 | return schedule ? schedule->type : LTTNG_ROTATION_SCHEDULE_TYPE_UNKNOWN; |
446 | } | |
329f3443 | 447 | |
66ea93b1 JG |
448 | struct lttng_rotation_schedule * |
449 | lttng_rotation_schedule_size_threshold_create(void) | |
450 | { | |
451 | struct lttng_rotation_schedule_size_threshold *schedule; | |
329f3443 | 452 | |
66ea93b1 JG |
453 | schedule = zmalloc(sizeof(*schedule)); |
454 | if (!schedule) { | |
329f3443 JD |
455 | goto end; |
456 | } | |
457 | ||
66ea93b1 JG |
458 | schedule->parent.type = LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD; |
459 | end: | |
460 | return &schedule->parent; | |
461 | } | |
462 | ||
463 | enum lttng_rotation_status | |
464 | lttng_rotation_schedule_size_threshold_get_threshold( | |
465 | const struct lttng_rotation_schedule *schedule, | |
466 | uint64_t *size_threshold_bytes) | |
467 | { | |
468 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
469 | struct lttng_rotation_schedule_size_threshold *size_schedule; | |
329f3443 | 470 | |
66ea93b1 JG |
471 | if (!schedule || !size_threshold_bytes) { |
472 | status = LTTNG_ROTATION_STATUS_INVALID; | |
473 | goto end; | |
474 | } | |
475 | ||
476 | size_schedule = container_of(schedule, | |
477 | struct lttng_rotation_schedule_size_threshold, | |
478 | parent); | |
479 | if (size_schedule->size.set) { | |
480 | *size_threshold_bytes = size_schedule->size.bytes; | |
481 | } else { | |
482 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
483 | goto end; | |
484 | } | |
485 | end: | |
486 | return status; | |
487 | } | |
488 | ||
489 | enum lttng_rotation_status | |
490 | lttng_rotation_schedule_size_threshold_set_threshold( | |
491 | struct lttng_rotation_schedule *schedule, | |
492 | uint64_t size_threshold_bytes) | |
493 | { | |
494 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
495 | struct lttng_rotation_schedule_size_threshold *size_schedule; | |
496 | ||
497 | if (!schedule || size_threshold_bytes == 0 || | |
498 | size_threshold_bytes == -1ULL) { | |
499 | status = LTTNG_ROTATION_STATUS_INVALID; | |
500 | goto end; | |
501 | } | |
329f3443 | 502 | |
66ea93b1 JG |
503 | size_schedule = container_of(schedule, |
504 | struct lttng_rotation_schedule_size_threshold, | |
505 | parent); | |
506 | size_schedule->size.bytes = size_threshold_bytes; | |
507 | size_schedule->size.set = true; | |
329f3443 | 508 | end: |
66ea93b1 JG |
509 | return status; |
510 | } | |
511 | ||
512 | struct lttng_rotation_schedule * | |
513 | lttng_rotation_schedule_periodic_create(void) | |
514 | { | |
515 | struct lttng_rotation_schedule_periodic *schedule; | |
516 | ||
517 | schedule = zmalloc(sizeof(*schedule)); | |
518 | if (!schedule) { | |
519 | goto end; | |
520 | } | |
521 | ||
522 | schedule->parent.type = LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC; | |
523 | end: | |
524 | return &schedule->parent; | |
525 | } | |
526 | ||
527 | enum lttng_rotation_status | |
528 | lttng_rotation_schedule_periodic_get_period( | |
529 | const struct lttng_rotation_schedule *schedule, | |
530 | uint64_t *period_us) | |
531 | { | |
532 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
533 | struct lttng_rotation_schedule_periodic *periodic_schedule; | |
534 | ||
535 | if (!schedule || !period_us) { | |
536 | status = LTTNG_ROTATION_STATUS_INVALID; | |
537 | goto end; | |
538 | } | |
539 | ||
540 | periodic_schedule = container_of(schedule, | |
541 | struct lttng_rotation_schedule_periodic, | |
542 | parent); | |
543 | if (periodic_schedule->period.set) { | |
544 | *period_us = periodic_schedule->period.us; | |
545 | } else { | |
546 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
547 | goto end; | |
548 | } | |
549 | end: | |
550 | return status; | |
551 | } | |
552 | ||
553 | enum lttng_rotation_status | |
554 | lttng_rotation_schedule_periodic_set_period( | |
555 | struct lttng_rotation_schedule *schedule, | |
556 | uint64_t period_us) | |
557 | { | |
558 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
559 | struct lttng_rotation_schedule_periodic *periodic_schedule; | |
560 | ||
561 | if (!schedule || period_us == 0 || period_us == -1ULL) { | |
562 | status = LTTNG_ROTATION_STATUS_INVALID; | |
563 | goto end; | |
564 | } | |
565 | ||
566 | periodic_schedule = container_of(schedule, | |
567 | struct lttng_rotation_schedule_periodic, | |
568 | parent); | |
569 | periodic_schedule->period.us = period_us; | |
570 | periodic_schedule->period.set = true; | |
571 | end: | |
572 | return status; | |
573 | } | |
574 | ||
575 | void lttng_rotation_schedule_destroy(struct lttng_rotation_schedule *schedule) | |
576 | { | |
577 | if (!schedule) { | |
578 | return; | |
579 | } | |
580 | free(schedule); | |
581 | } | |
582 | ||
583 | void lttng_rotation_schedules_destroy( | |
584 | struct lttng_rotation_schedules *schedules) | |
585 | { | |
586 | unsigned int i; | |
587 | ||
588 | if (!schedules) { | |
589 | return; | |
590 | } | |
591 | ||
592 | for (i = 0; i < schedules->count; i++) { | |
593 | lttng_rotation_schedule_destroy(schedules->schedules[i]); | |
594 | } | |
595 | free(schedules); | |
596 | } | |
597 | ||
598 | ||
599 | enum lttng_rotation_status lttng_rotation_schedules_get_count( | |
600 | const struct lttng_rotation_schedules *schedules, | |
601 | unsigned int *count) | |
602 | { | |
603 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
604 | ||
605 | if (!schedules || !count) { | |
606 | status = LTTNG_ROTATION_STATUS_INVALID; | |
607 | goto end; | |
608 | } | |
609 | ||
610 | *count = schedules->count; | |
611 | end: | |
612 | return status; | |
613 | } | |
614 | ||
615 | const struct lttng_rotation_schedule *lttng_rotation_schedules_get_at_index( | |
616 | const struct lttng_rotation_schedules *schedules, | |
617 | unsigned int index) | |
618 | { | |
619 | const struct lttng_rotation_schedule *schedule = NULL; | |
620 | ||
621 | if (!schedules || index >= schedules->count) { | |
622 | goto end; | |
623 | } | |
624 | ||
625 | schedule = schedules->schedules[index]; | |
626 | end: | |
627 | return schedule; | |
628 | } | |
629 | ||
630 | enum lttng_rotation_status lttng_session_add_rotation_schedule( | |
631 | const char *session_name, | |
632 | const struct lttng_rotation_schedule *schedule) | |
633 | { | |
634 | return lttng_rotation_update_schedule(session_name, schedule, true); | |
635 | } | |
636 | ||
637 | enum lttng_rotation_status lttng_session_remove_rotation_schedule( | |
638 | const char *session_name, | |
639 | const struct lttng_rotation_schedule *schedule) | |
640 | { | |
641 | return lttng_rotation_update_schedule(session_name, schedule, false); | |
642 | } | |
643 | ||
644 | int lttng_session_list_rotation_schedules( | |
645 | const char *session_name, | |
646 | struct lttng_rotation_schedules **schedules) | |
647 | { | |
648 | return get_schedules(session_name, schedules); | |
329f3443 | 649 | } |