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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) { | |
ed9f1fb2 JG |
305 | if (status == LTTNG_ROTATION_STATUS_UNAVAILABLE) { |
306 | status = LTTNG_ROTATION_STATUS_INVALID; | |
307 | } | |
66ea93b1 JG |
308 | goto end; |
309 | } | |
310 | ||
311 | lsm.u.rotation_set_schedule.set = !!add; | |
312 | break; | |
313 | } | |
314 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
315 | { | |
316 | status = lttng_rotation_schedule_periodic_get_period( | |
317 | schedule, &lsm.u.rotation_set_schedule.value); | |
318 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
ed9f1fb2 JG |
319 | if (status == LTTNG_ROTATION_STATUS_UNAVAILABLE) { |
320 | status = LTTNG_ROTATION_STATUS_INVALID; | |
321 | } | |
66ea93b1 JG |
322 | goto end; |
323 | } | |
324 | ||
325 | lsm.u.rotation_set_schedule.set = !!add; | |
326 | break; | |
327 | } | |
328 | default: | |
329 | status = LTTNG_ROTATION_STATUS_INVALID; | |
330 | goto end; | |
331 | } | |
259c2674 JD |
332 | |
333 | ret = lttng_ctl_ask_sessiond(&lsm, NULL); | |
66ea93b1 JG |
334 | if (ret >= 0) { |
335 | goto end; | |
336 | } | |
337 | ||
338 | switch (-ret) { | |
339 | case LTTNG_ERR_ROTATION_SCHEDULE_SET: | |
340 | status = LTTNG_ROTATION_STATUS_SCHEDULE_ALREADY_SET; | |
341 | break; | |
342 | case LTTNG_ERR_ROTATION_SCHEDULE_NOT_SET: | |
343 | status = LTTNG_ROTATION_STATUS_INVALID; | |
344 | break; | |
345 | default: | |
346 | status = LTTNG_ROTATION_STATUS_ERROR; | |
347 | } | |
259c2674 | 348 | end: |
66ea93b1 JG |
349 | return status; |
350 | } | |
351 | ||
352 | static | |
353 | struct lttng_rotation_schedules *lttng_rotation_schedules_create(void) | |
354 | { | |
355 | return zmalloc(sizeof(struct lttng_rotation_schedules)); | |
259c2674 | 356 | } |
329f3443 | 357 | |
66ea93b1 JG |
358 | static |
359 | void lttng_schedules_add(struct lttng_rotation_schedules *schedules, | |
360 | struct lttng_rotation_schedule *schedule) | |
361 | { | |
362 | schedules->schedules[schedules->count++] = schedule; | |
363 | } | |
364 | ||
365 | static | |
366 | int get_schedules(const char *session_name, | |
367 | struct lttng_rotation_schedules **_schedules) | |
329f3443 | 368 | { |
329f3443 | 369 | int ret; |
66ea93b1 JG |
370 | struct lttcomm_session_msg lsm; |
371 | struct lttng_session_list_schedules_return *schedules_comm; | |
372 | struct lttng_rotation_schedules *schedules = NULL; | |
373 | struct lttng_rotation_schedule *periodic = NULL, *size = NULL; | |
329f3443 JD |
374 | |
375 | memset(&lsm, 0, sizeof(lsm)); | |
66ea93b1 | 376 | lsm.cmd_type = LTTNG_SESSION_LIST_ROTATION_SCHEDULES; |
329f3443 JD |
377 | lttng_ctl_copy_string(lsm.session.name, session_name, |
378 | sizeof(lsm.session.name)); | |
379 | ||
66ea93b1 | 380 | ret = lttng_ctl_ask_sessiond(&lsm, (void **) &schedules_comm); |
329f3443 | 381 | if (ret < 0) { |
329f3443 JD |
382 | goto end; |
383 | } | |
384 | ||
66ea93b1 JG |
385 | schedules = lttng_rotation_schedules_create(); |
386 | if (!schedules) { | |
387 | ret = -LTTNG_ERR_NOMEM; | |
388 | goto end; | |
389 | } | |
390 | ||
391 | if (schedules_comm->periodic.set == 1) { | |
392 | enum lttng_rotation_status status; | |
393 | ||
394 | periodic = lttng_rotation_schedule_periodic_create(); | |
395 | if (!periodic) { | |
396 | ret = -LTTNG_ERR_NOMEM; | |
397 | goto end; | |
398 | } | |
399 | ||
400 | status = lttng_rotation_schedule_periodic_set_period( | |
401 | periodic, schedules_comm->periodic.value); | |
402 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
403 | /* | |
404 | * This would imply that the session daemon returned | |
405 | * an invalid periodic rotation schedule value. | |
406 | */ | |
407 | ret = -LTTNG_ERR_UNK; | |
408 | goto end; | |
409 | } | |
410 | ||
411 | lttng_schedules_add(schedules, periodic); | |
412 | periodic = NULL; | |
413 | } | |
414 | ||
415 | if (schedules_comm->size.set == 1) { | |
416 | enum lttng_rotation_status status; | |
417 | ||
418 | size = lttng_rotation_schedule_size_threshold_create(); | |
419 | if (!size) { | |
420 | ret = -LTTNG_ERR_NOMEM; | |
421 | goto end; | |
422 | } | |
423 | ||
424 | status = lttng_rotation_schedule_size_threshold_set_threshold( | |
425 | size, schedules_comm->size.value); | |
426 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
427 | /* | |
428 | * This would imply that the session daemon returned | |
429 | * an invalid size threshold schedule value. | |
430 | */ | |
431 | ret = -LTTNG_ERR_UNK; | |
432 | goto end; | |
433 | } | |
434 | ||
435 | lttng_schedules_add(schedules, size); | |
436 | size = NULL; | |
437 | } | |
438 | ||
439 | ret = LTTNG_OK; | |
329f3443 | 440 | end: |
66ea93b1 JG |
441 | free(schedules_comm); |
442 | free(periodic); | |
443 | free(size); | |
444 | *_schedules = schedules; | |
329f3443 JD |
445 | return ret; |
446 | } | |
447 | ||
66ea93b1 JG |
448 | enum lttng_rotation_schedule_type lttng_rotation_schedule_get_type( |
449 | const struct lttng_rotation_schedule *schedule) | |
329f3443 | 450 | { |
66ea93b1 JG |
451 | return schedule ? schedule->type : LTTNG_ROTATION_SCHEDULE_TYPE_UNKNOWN; |
452 | } | |
329f3443 | 453 | |
66ea93b1 JG |
454 | struct lttng_rotation_schedule * |
455 | lttng_rotation_schedule_size_threshold_create(void) | |
456 | { | |
457 | struct lttng_rotation_schedule_size_threshold *schedule; | |
329f3443 | 458 | |
66ea93b1 JG |
459 | schedule = zmalloc(sizeof(*schedule)); |
460 | if (!schedule) { | |
329f3443 JD |
461 | goto end; |
462 | } | |
463 | ||
66ea93b1 JG |
464 | schedule->parent.type = LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD; |
465 | end: | |
466 | return &schedule->parent; | |
467 | } | |
468 | ||
469 | enum lttng_rotation_status | |
470 | lttng_rotation_schedule_size_threshold_get_threshold( | |
471 | const struct lttng_rotation_schedule *schedule, | |
472 | uint64_t *size_threshold_bytes) | |
473 | { | |
474 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
475 | struct lttng_rotation_schedule_size_threshold *size_schedule; | |
329f3443 | 476 | |
ed9f1fb2 JG |
477 | if (!schedule || !size_threshold_bytes || |
478 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD) { | |
66ea93b1 JG |
479 | status = LTTNG_ROTATION_STATUS_INVALID; |
480 | goto end; | |
481 | } | |
482 | ||
483 | size_schedule = container_of(schedule, | |
484 | struct lttng_rotation_schedule_size_threshold, | |
485 | parent); | |
486 | if (size_schedule->size.set) { | |
487 | *size_threshold_bytes = size_schedule->size.bytes; | |
488 | } else { | |
489 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
490 | goto end; | |
491 | } | |
492 | end: | |
493 | return status; | |
494 | } | |
495 | ||
496 | enum lttng_rotation_status | |
497 | lttng_rotation_schedule_size_threshold_set_threshold( | |
498 | struct lttng_rotation_schedule *schedule, | |
499 | uint64_t size_threshold_bytes) | |
500 | { | |
501 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
502 | struct lttng_rotation_schedule_size_threshold *size_schedule; | |
503 | ||
504 | if (!schedule || size_threshold_bytes == 0 || | |
ed9f1fb2 JG |
505 | size_threshold_bytes == -1ULL || |
506 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD) { | |
66ea93b1 JG |
507 | status = LTTNG_ROTATION_STATUS_INVALID; |
508 | goto end; | |
509 | } | |
329f3443 | 510 | |
66ea93b1 JG |
511 | size_schedule = container_of(schedule, |
512 | struct lttng_rotation_schedule_size_threshold, | |
513 | parent); | |
514 | size_schedule->size.bytes = size_threshold_bytes; | |
515 | size_schedule->size.set = true; | |
329f3443 | 516 | end: |
66ea93b1 JG |
517 | return status; |
518 | } | |
519 | ||
520 | struct lttng_rotation_schedule * | |
521 | lttng_rotation_schedule_periodic_create(void) | |
522 | { | |
523 | struct lttng_rotation_schedule_periodic *schedule; | |
524 | ||
525 | schedule = zmalloc(sizeof(*schedule)); | |
526 | if (!schedule) { | |
527 | goto end; | |
528 | } | |
529 | ||
530 | schedule->parent.type = LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC; | |
531 | end: | |
532 | return &schedule->parent; | |
533 | } | |
534 | ||
535 | enum lttng_rotation_status | |
536 | lttng_rotation_schedule_periodic_get_period( | |
537 | const struct lttng_rotation_schedule *schedule, | |
538 | uint64_t *period_us) | |
539 | { | |
540 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
541 | struct lttng_rotation_schedule_periodic *periodic_schedule; | |
542 | ||
ed9f1fb2 JG |
543 | if (!schedule || !period_us || |
544 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC) { | |
66ea93b1 JG |
545 | status = LTTNG_ROTATION_STATUS_INVALID; |
546 | goto end; | |
547 | } | |
548 | ||
549 | periodic_schedule = container_of(schedule, | |
550 | struct lttng_rotation_schedule_periodic, | |
551 | parent); | |
552 | if (periodic_schedule->period.set) { | |
553 | *period_us = periodic_schedule->period.us; | |
554 | } else { | |
555 | status = LTTNG_ROTATION_STATUS_UNAVAILABLE; | |
556 | goto end; | |
557 | } | |
558 | end: | |
559 | return status; | |
560 | } | |
561 | ||
562 | enum lttng_rotation_status | |
563 | lttng_rotation_schedule_periodic_set_period( | |
564 | struct lttng_rotation_schedule *schedule, | |
565 | uint64_t period_us) | |
566 | { | |
567 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
568 | struct lttng_rotation_schedule_periodic *periodic_schedule; | |
569 | ||
ed9f1fb2 JG |
570 | if (!schedule || period_us == 0 || period_us == -1ULL || |
571 | schedule->type != LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC) { | |
66ea93b1 JG |
572 | status = LTTNG_ROTATION_STATUS_INVALID; |
573 | goto end; | |
574 | } | |
575 | ||
576 | periodic_schedule = container_of(schedule, | |
577 | struct lttng_rotation_schedule_periodic, | |
578 | parent); | |
579 | periodic_schedule->period.us = period_us; | |
580 | periodic_schedule->period.set = true; | |
581 | end: | |
582 | return status; | |
583 | } | |
584 | ||
585 | void lttng_rotation_schedule_destroy(struct lttng_rotation_schedule *schedule) | |
586 | { | |
587 | if (!schedule) { | |
588 | return; | |
589 | } | |
590 | free(schedule); | |
591 | } | |
592 | ||
593 | void lttng_rotation_schedules_destroy( | |
594 | struct lttng_rotation_schedules *schedules) | |
595 | { | |
596 | unsigned int i; | |
597 | ||
598 | if (!schedules) { | |
599 | return; | |
600 | } | |
601 | ||
602 | for (i = 0; i < schedules->count; i++) { | |
603 | lttng_rotation_schedule_destroy(schedules->schedules[i]); | |
604 | } | |
605 | free(schedules); | |
606 | } | |
607 | ||
608 | ||
609 | enum lttng_rotation_status lttng_rotation_schedules_get_count( | |
610 | const struct lttng_rotation_schedules *schedules, | |
611 | unsigned int *count) | |
612 | { | |
613 | enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK; | |
614 | ||
615 | if (!schedules || !count) { | |
616 | status = LTTNG_ROTATION_STATUS_INVALID; | |
617 | goto end; | |
618 | } | |
619 | ||
620 | *count = schedules->count; | |
621 | end: | |
622 | return status; | |
623 | } | |
624 | ||
625 | const struct lttng_rotation_schedule *lttng_rotation_schedules_get_at_index( | |
626 | const struct lttng_rotation_schedules *schedules, | |
627 | unsigned int index) | |
628 | { | |
629 | const struct lttng_rotation_schedule *schedule = NULL; | |
630 | ||
631 | if (!schedules || index >= schedules->count) { | |
632 | goto end; | |
633 | } | |
634 | ||
635 | schedule = schedules->schedules[index]; | |
636 | end: | |
637 | return schedule; | |
638 | } | |
639 | ||
640 | enum lttng_rotation_status lttng_session_add_rotation_schedule( | |
641 | const char *session_name, | |
642 | const struct lttng_rotation_schedule *schedule) | |
643 | { | |
644 | return lttng_rotation_update_schedule(session_name, schedule, true); | |
645 | } | |
646 | ||
647 | enum lttng_rotation_status lttng_session_remove_rotation_schedule( | |
648 | const char *session_name, | |
649 | const struct lttng_rotation_schedule *schedule) | |
650 | { | |
651 | return lttng_rotation_update_schedule(session_name, schedule, false); | |
652 | } | |
653 | ||
654 | int lttng_session_list_rotation_schedules( | |
655 | const char *session_name, | |
656 | struct lttng_rotation_schedules **schedules) | |
657 | { | |
658 | return get_schedules(session_name, schedules); | |
329f3443 | 659 | } |