Commit | Line | Data |
---|---|---|
9245bd0e | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2014 David Goulet <dgoulet@efficios.com> |
9245bd0e | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
9245bd0e | 5 | * |
9245bd0e DG |
6 | */ |
7 | ||
6c1c0768 | 8 | #define _LGPL_SOURCE |
28ab034a | 9 | #include "lttng-ctl-helper.hpp" |
9245bd0e | 10 | |
28ab034a | 11 | #include <common/compat/string.hpp> |
c9e313bc | 12 | #include <common/config/session-config.hpp> |
c9e313bc | 13 | #include <common/macros.hpp> |
28ab034a JG |
14 | #include <common/sessiond-comm/sessiond-comm.hpp> |
15 | #include <common/uri.hpp> | |
c9e313bc | 16 | |
28ab034a JG |
17 | #include <lttng/load-internal.hpp> |
18 | #include <lttng/load.h> | |
19 | #include <lttng/lttng-error.h> | |
20 | ||
21 | #include <limits.h> | |
22 | #include <string.h> | |
9245bd0e DG |
23 | |
24 | struct lttng_load_session_attr *lttng_load_session_attr_create(void) | |
25 | { | |
64803277 | 26 | return zmalloc<lttng_load_session_attr>(); |
9245bd0e DG |
27 | } |
28 | ||
28ab034a | 29 | static void reset_load_session_attr_urls(struct lttng_load_session_attr *attr) |
a2a75fa4 JR |
30 | { |
31 | free(attr->raw_override_url); | |
32 | free(attr->raw_override_path_url); | |
33 | free(attr->raw_override_ctrl_url); | |
34 | free(attr->raw_override_data_url); | |
1b08cbce JR |
35 | if (attr->override_attr) { |
36 | free(attr->override_attr->path_url); | |
37 | free(attr->override_attr->ctrl_url); | |
38 | free(attr->override_attr->data_url); | |
2aaf5fc7 | 39 | free(attr->override_attr->session_name); |
1b08cbce | 40 | } |
a2a75fa4 JR |
41 | } |
42 | ||
9245bd0e DG |
43 | void lttng_load_session_attr_destroy(struct lttng_load_session_attr *attr) |
44 | { | |
45 | if (attr) { | |
a2a75fa4 | 46 | reset_load_session_attr_urls(attr); |
1b08cbce | 47 | free(attr->override_attr); |
9245bd0e DG |
48 | free(attr); |
49 | } | |
50 | } | |
51 | ||
2aaf5fc7 JR |
52 | static int validate_attr(const struct lttng_load_session_attr *attr) |
53 | { | |
54 | int ret = 0; | |
55 | ||
56 | if (!attr) { | |
57 | ret = -LTTNG_ERR_INVALID; | |
58 | goto end; | |
59 | } | |
60 | ||
61 | if (!attr->override_attr) { | |
62 | goto end; | |
63 | } | |
64 | ||
65 | /* | |
66 | * Refuse override name if the objective is to load multiple session | |
67 | * since this operation is ambiguous while loading multiple session. | |
68 | */ | |
28ab034a | 69 | if (attr->override_attr->session_name && attr->session_name[0] == '\0') { |
2aaf5fc7 JR |
70 | ret = -LTTNG_ERR_INVALID; |
71 | goto end; | |
72 | } | |
73 | end: | |
74 | return ret; | |
75 | } | |
76 | ||
28ab034a | 77 | const char *lttng_load_session_attr_get_session_name(struct lttng_load_session_attr *attr) |
9245bd0e | 78 | { |
cd9adb8b | 79 | const char *ret = nullptr; |
9245bd0e DG |
80 | |
81 | if (attr && attr->session_name[0]) { | |
82 | ret = attr->session_name; | |
83 | } | |
84 | ||
85 | return ret; | |
86 | } | |
87 | ||
28ab034a | 88 | const char *lttng_load_session_attr_get_input_url(struct lttng_load_session_attr *attr) |
9245bd0e | 89 | { |
cd9adb8b | 90 | const char *ret = nullptr; |
9245bd0e DG |
91 | |
92 | if (attr && attr->input_url[0]) { | |
93 | ret = attr->input_url; | |
94 | } | |
95 | ||
96 | return ret; | |
97 | } | |
98 | ||
28ab034a | 99 | int lttng_load_session_attr_get_overwrite(struct lttng_load_session_attr *attr) |
9245bd0e DG |
100 | { |
101 | return attr ? attr->overwrite : -LTTNG_ERR_INVALID; | |
102 | } | |
103 | ||
28ab034a | 104 | const char *lttng_load_session_attr_get_override_ctrl_url(struct lttng_load_session_attr *attr) |
a2a75fa4 | 105 | { |
cd9adb8b | 106 | const char *ret = nullptr; |
a2a75fa4 | 107 | |
49c360e8 JR |
108 | if (!attr || !attr->override_attr) { |
109 | goto end; | |
a2a75fa4 JR |
110 | } |
111 | ||
49c360e8 JR |
112 | ret = attr->raw_override_ctrl_url; |
113 | end: | |
a2a75fa4 JR |
114 | return ret; |
115 | } | |
116 | ||
28ab034a | 117 | const char *lttng_load_session_attr_get_override_data_url(struct lttng_load_session_attr *attr) |
a2a75fa4 | 118 | { |
cd9adb8b | 119 | const char *ret = nullptr; |
a2a75fa4 | 120 | |
49c360e8 JR |
121 | if (!attr || !attr->override_attr) { |
122 | goto end; | |
a2a75fa4 JR |
123 | } |
124 | ||
49c360e8 JR |
125 | ret = attr->raw_override_data_url; |
126 | end: | |
a2a75fa4 JR |
127 | return ret; |
128 | } | |
129 | ||
28ab034a | 130 | const char *lttng_load_session_attr_get_override_url(struct lttng_load_session_attr *attr) |
a2a75fa4 | 131 | { |
cd9adb8b | 132 | const char *ret = nullptr; |
a2a75fa4 | 133 | |
49c360e8 JR |
134 | if (!attr || !attr->override_attr) { |
135 | goto end; | |
136 | } | |
137 | ||
138 | if ((attr->override_attr->path_url || | |
28ab034a | 139 | (attr->override_attr->ctrl_url && attr->override_attr->data_url))) { |
a2a75fa4 JR |
140 | ret = attr->raw_override_url; |
141 | } | |
49c360e8 | 142 | end: |
a2a75fa4 JR |
143 | return ret; |
144 | } | |
145 | ||
28ab034a | 146 | const char *lttng_load_session_attr_get_override_session_name(struct lttng_load_session_attr *attr) |
2aaf5fc7 | 147 | { |
cd9adb8b | 148 | const char *ret = nullptr; |
2aaf5fc7 JR |
149 | |
150 | if (!attr || !attr->override_attr) { | |
151 | goto end; | |
152 | } | |
153 | ||
154 | ret = attr->override_attr->session_name; | |
155 | end: | |
156 | return ret; | |
157 | } | |
158 | ||
28ab034a JG |
159 | int lttng_load_session_attr_set_session_name(struct lttng_load_session_attr *attr, |
160 | const char *session_name) | |
9245bd0e DG |
161 | { |
162 | int ret = 0; | |
163 | ||
164 | if (!attr) { | |
165 | ret = -LTTNG_ERR_INVALID; | |
166 | goto error; | |
167 | } | |
168 | ||
169 | if (session_name) { | |
170 | size_t len; | |
171 | ||
172 | len = strlen(session_name); | |
36d2e35d | 173 | if (len >= LTTNG_NAME_MAX) { |
9245bd0e DG |
174 | ret = -LTTNG_ERR_INVALID; |
175 | goto error; | |
176 | } | |
177 | ||
28ab034a | 178 | ret = lttng_strncpy(attr->session_name, session_name, sizeof(attr->session_name)); |
3716477e JG |
179 | if (ret) { |
180 | ret = -LTTNG_ERR_INVALID; | |
181 | goto error; | |
182 | } | |
9245bd0e DG |
183 | } else { |
184 | attr->session_name[0] = '\0'; | |
185 | } | |
186 | error: | |
187 | return ret; | |
188 | } | |
189 | ||
28ab034a | 190 | int lttng_load_session_attr_set_input_url(struct lttng_load_session_attr *attr, const char *url) |
9245bd0e DG |
191 | { |
192 | int ret = 0; | |
584e475e JR |
193 | size_t len; |
194 | ssize_t size; | |
cd9adb8b | 195 | struct lttng_uri *uris = nullptr; |
9245bd0e DG |
196 | |
197 | if (!attr) { | |
198 | ret = -LTTNG_ERR_INVALID; | |
199 | goto error; | |
200 | } | |
201 | ||
202 | if (!url) { | |
203 | attr->input_url[0] = '\0'; | |
204 | ret = 0; | |
205 | goto end; | |
206 | } | |
207 | ||
208 | len = strlen(url); | |
209 | if (len >= PATH_MAX) { | |
210 | ret = -LTTNG_ERR_INVALID; | |
211 | goto error; | |
212 | } | |
213 | ||
cd9adb8b | 214 | size = uri_parse_str_urls(url, nullptr, &uris); |
9245bd0e DG |
215 | if (size <= 0 || uris[0].dtype != LTTNG_DST_PATH) { |
216 | ret = -LTTNG_ERR_INVALID; | |
217 | goto error; | |
218 | } | |
219 | ||
220 | /* Copy string plus the NULL terminated byte. */ | |
28ab034a | 221 | ret = lttng_strncpy(attr->input_url, uris[0].dst.path, sizeof(attr->input_url)); |
e1b624d0 JG |
222 | if (ret) { |
223 | ret = -LTTNG_ERR_INVALID; | |
224 | goto error; | |
225 | } | |
9245bd0e DG |
226 | |
227 | end: | |
228 | error: | |
229 | free(uris); | |
230 | return ret; | |
231 | } | |
232 | ||
28ab034a | 233 | int lttng_load_session_attr_set_overwrite(struct lttng_load_session_attr *attr, int overwrite) |
9245bd0e DG |
234 | { |
235 | int ret = 0; | |
236 | ||
237 | if (!attr) { | |
238 | ret = -LTTNG_ERR_INVALID; | |
239 | goto end; | |
240 | } | |
241 | ||
242 | attr->overwrite = !!overwrite; | |
243 | end: | |
244 | return ret; | |
245 | } | |
246 | ||
28ab034a JG |
247 | int lttng_load_session_attr_set_override_ctrl_url(struct lttng_load_session_attr *attr, |
248 | const char *url) | |
a2a75fa4 JR |
249 | { |
250 | int ret = 0; | |
251 | ssize_t ret_size; | |
cd9adb8b JG |
252 | struct lttng_uri *uri = nullptr; |
253 | char *url_str = nullptr; | |
254 | char *raw_str = nullptr; | |
a2a75fa4 JR |
255 | |
256 | if (!attr) { | |
257 | ret = -LTTNG_ERR_INVALID; | |
258 | goto end; | |
259 | } | |
260 | ||
1b08cbce | 261 | if (!attr->override_attr) { |
64803277 | 262 | attr->override_attr = zmalloc<config_load_session_override_attr>(); |
1b08cbce JR |
263 | if (!attr->override_attr) { |
264 | ret = -LTTNG_ERR_NOMEM; | |
265 | goto end; | |
266 | } | |
267 | } | |
268 | ||
269 | if (attr->override_attr->path_url) { | |
a2a75fa4 | 270 | /* |
1b08cbce JR |
271 | * Setting a ctrl override after a path override makes no sense. |
272 | */ | |
a2a75fa4 JR |
273 | ret = -LTTNG_ERR_INVALID; |
274 | goto end; | |
275 | } | |
276 | ||
277 | /* | |
278 | * FIXME: uri_parse should be able to take as parameter the protocol | |
279 | * type to validate "url". For now only check the parsing goes through; | |
280 | * it will fail later on. | |
281 | */ | |
282 | ret_size = uri_parse(url, &uri); | |
283 | if (ret_size < 0) { | |
284 | ret = -LTTNG_ERR_INVALID; | |
285 | goto end; | |
286 | } | |
287 | ||
288 | if (uri[0].port == 0) { | |
289 | uri[0].port = DEFAULT_NETWORK_CONTROL_PORT; | |
290 | } | |
291 | ||
64803277 | 292 | url_str = calloc<char>(PATH_MAX); |
a2a75fa4 JR |
293 | if (!url_str) { |
294 | /* FIXME: return valid error */ | |
295 | ret = -LTTNG_ERR_NOMEM; | |
296 | goto end; | |
297 | } | |
298 | ||
299 | ret = uri_to_str_url(&uri[0], url_str, PATH_MAX); | |
300 | if (ret < 0) { | |
301 | ret = -LTTNG_ERR_INVALID; | |
302 | goto end; | |
303 | } | |
304 | ret = 0; | |
305 | ||
306 | raw_str = lttng_strndup(url, PATH_MAX); | |
307 | if (!raw_str) { | |
308 | ret = -LTTNG_ERR_NOMEM; | |
309 | goto end; | |
310 | } | |
311 | ||
312 | /* Squash old value if any */ | |
1b08cbce | 313 | free(attr->override_attr->ctrl_url); |
a2a75fa4 JR |
314 | free(attr->raw_override_ctrl_url); |
315 | ||
316 | /* Populate the object */ | |
1b08cbce | 317 | attr->override_attr->ctrl_url = url_str; |
a2a75fa4 JR |
318 | attr->raw_override_ctrl_url = raw_str; |
319 | ||
320 | /* Ownership passed to attr. */ | |
cd9adb8b JG |
321 | url_str = nullptr; |
322 | raw_str = nullptr; | |
a2a75fa4 JR |
323 | |
324 | end: | |
325 | free(raw_str); | |
326 | free(url_str); | |
327 | free(uri); | |
328 | return ret; | |
329 | } | |
330 | ||
28ab034a JG |
331 | int lttng_load_session_attr_set_override_data_url(struct lttng_load_session_attr *attr, |
332 | const char *url) | |
a2a75fa4 JR |
333 | { |
334 | int ret = 0; | |
335 | ssize_t ret_size; | |
cd9adb8b JG |
336 | struct lttng_uri *uri = nullptr; |
337 | char *url_str = nullptr; | |
338 | char *raw_str = nullptr; | |
a2a75fa4 JR |
339 | |
340 | if (!attr) { | |
341 | ret = -LTTNG_ERR_INVALID; | |
342 | goto end; | |
343 | } | |
344 | ||
1b08cbce | 345 | if (!attr->override_attr) { |
64803277 | 346 | attr->override_attr = zmalloc<config_load_session_override_attr>(); |
1b08cbce JR |
347 | if (!attr->override_attr) { |
348 | ret = -LTTNG_ERR_NOMEM; | |
349 | goto end; | |
350 | } | |
351 | } | |
352 | ||
353 | if (attr->override_attr->path_url) { | |
354 | /* | |
355 | * Setting a data override after a path override makes no sense. | |
356 | */ | |
a2a75fa4 JR |
357 | ret = -LTTNG_ERR_INVALID; |
358 | goto end; | |
359 | } | |
360 | ||
361 | /* | |
362 | * FIXME: uri_parse should be able to take as parameter the protocol | |
363 | * type to validate "url". For now only check the parsing goes through; | |
364 | * it will fail later on. | |
365 | */ | |
366 | ret_size = uri_parse(url, &uri); | |
367 | if (ret_size < 0) { | |
368 | ret = -LTTNG_ERR_INVALID; | |
369 | goto end; | |
370 | } | |
371 | ||
372 | if (uri[0].port == 0) { | |
373 | uri[0].port = DEFAULT_NETWORK_DATA_PORT; | |
374 | } | |
375 | ||
64803277 | 376 | url_str = calloc<char>(PATH_MAX); |
a2a75fa4 JR |
377 | if (!url_str) { |
378 | ret = -LTTNG_ERR_NOMEM; | |
379 | goto end; | |
380 | } | |
381 | ||
382 | ret = uri_to_str_url(&uri[0], url_str, PATH_MAX); | |
383 | if (ret < 0) { | |
384 | ret = -LTTNG_ERR_INVALID; | |
385 | goto end; | |
386 | } | |
387 | ret = 0; | |
388 | ||
389 | raw_str = lttng_strndup(url, PATH_MAX); | |
390 | if (!raw_str) { | |
391 | ret = -LTTNG_ERR_NOMEM; | |
392 | goto end; | |
393 | } | |
394 | ||
395 | /* Squash old value if any */ | |
1b08cbce | 396 | free(attr->override_attr->data_url); |
a2a75fa4 JR |
397 | free(attr->raw_override_data_url); |
398 | ||
399 | /* Populate the object */ | |
1b08cbce | 400 | attr->override_attr->data_url = url_str; |
a2a75fa4 JR |
401 | attr->raw_override_data_url = raw_str; |
402 | ||
403 | /* Ownership passed to attr. */ | |
cd9adb8b JG |
404 | url_str = nullptr; |
405 | raw_str = nullptr; | |
a2a75fa4 JR |
406 | end: |
407 | free(raw_str); | |
408 | free(url_str); | |
409 | free(uri); | |
410 | return ret; | |
411 | } | |
412 | ||
28ab034a | 413 | int lttng_load_session_attr_set_override_url(struct lttng_load_session_attr *attr, const char *url) |
a2a75fa4 JR |
414 | { |
415 | int ret = 0; | |
416 | ssize_t ret_size; | |
cd9adb8b JG |
417 | struct lttng_uri *uri = nullptr; |
418 | char *raw_url_str = nullptr; | |
419 | char *raw_path_str = nullptr; | |
420 | char *path_str = nullptr; | |
421 | char *raw_ctrl_str = nullptr; | |
422 | char *ctrl_str = nullptr; | |
423 | char *raw_data_str = nullptr; | |
424 | char *data_str = nullptr; | |
a2a75fa4 JR |
425 | char buffer[PATH_MAX]; |
426 | ||
427 | if (!attr || !url || strlen(url) >= PATH_MAX) { | |
428 | ret = -LTTNG_ERR_INVALID; | |
429 | goto end; | |
430 | } | |
431 | ||
1b08cbce | 432 | if (!attr->override_attr) { |
64803277 | 433 | attr->override_attr = zmalloc<config_load_session_override_attr>(); |
1b08cbce JR |
434 | if (!attr->override_attr) { |
435 | ret = -LTTNG_ERR_NOMEM; | |
436 | goto end; | |
437 | } | |
438 | } | |
439 | ||
a2a75fa4 JR |
440 | /* |
441 | * FIXME: uri_parse should be able to take as parameter the protocol | |
442 | * type to validate "url". For now only check the parsing goes through; | |
443 | * it will fail later on. | |
444 | */ | |
cd9adb8b | 445 | ret_size = uri_parse_str_urls(url, nullptr, &uri); |
a2a75fa4 JR |
446 | if (ret_size < 0 || ret_size > 2) { |
447 | /* Unexpected URL format. */ | |
448 | ret = -LTTNG_ERR_INVALID; | |
449 | goto end; | |
450 | } | |
451 | ||
452 | raw_url_str = lttng_strndup(url, PATH_MAX); | |
453 | if (!raw_url_str) { | |
454 | ret = -LTTNG_ERR_NOMEM; | |
455 | goto end; | |
456 | } | |
457 | ||
458 | /* Get path | ctrl && data string URL. */ | |
459 | ret = uri_to_str_url(&uri[0], buffer, sizeof(buffer)); | |
460 | if (ret < 0 || ret >= PATH_MAX) { | |
461 | ret = -LTTNG_ERR_INVALID; | |
462 | goto end; | |
463 | } | |
464 | ret = 0; | |
465 | ||
466 | switch (uri[0].dtype) { | |
467 | case LTTNG_DST_PATH: | |
468 | raw_path_str = lttng_strndup(buffer, PATH_MAX); | |
469 | if (!raw_path_str) { | |
470 | ret = -LTTNG_ERR_NOMEM; | |
471 | goto end; | |
472 | } | |
473 | ||
a03abed1 | 474 | path_str = lttng_strndup(uri[0].dst.path, PATH_MAX); |
a2a75fa4 JR |
475 | if (!path_str) { |
476 | ret = -LTTNG_ERR_NOMEM; | |
477 | goto end; | |
478 | } | |
479 | break; | |
480 | case LTTNG_DST_IPV4: | |
481 | case LTTNG_DST_IPV6: | |
482 | if (ret_size != 2) { | |
483 | ret = -LTTNG_ERR_INVALID; | |
484 | goto end; | |
485 | } | |
486 | ||
487 | raw_ctrl_str = lttng_strndup(buffer, PATH_MAX); | |
488 | if (!raw_ctrl_str) { | |
489 | ret = -LTTNG_ERR_NOMEM; | |
490 | goto end; | |
491 | } | |
492 | ||
493 | ctrl_str = lttng_strndup(raw_ctrl_str, PATH_MAX); | |
494 | if (!ctrl_str) { | |
495 | ret = -LTTNG_ERR_NOMEM; | |
496 | goto end; | |
497 | } | |
498 | ||
499 | /* Get the data uri. */ | |
500 | ret = uri_to_str_url(&uri[1], buffer, sizeof(buffer)); | |
501 | if (ret < 0) { | |
502 | ret = -LTTNG_ERR_INVALID; | |
503 | goto end; | |
504 | } | |
505 | ret = 0; | |
506 | ||
507 | raw_data_str = lttng_strndup(buffer, PATH_MAX); | |
508 | if (!raw_data_str) { | |
509 | ret = -LTTNG_ERR_NOMEM; | |
510 | goto end; | |
511 | } | |
512 | ||
513 | data_str = lttng_strndup(raw_data_str, PATH_MAX); | |
514 | if (!data_str) { | |
515 | ret = -LTTNG_ERR_NOMEM; | |
516 | goto end; | |
517 | } | |
518 | ||
519 | break; | |
520 | default: | |
521 | ret = -LTTNG_ERR_INVALID; | |
522 | goto end; | |
523 | } | |
524 | ||
525 | reset_load_session_attr_urls(attr); | |
526 | ||
1b08cbce JR |
527 | attr->override_attr->path_url = path_str; |
528 | attr->override_attr->ctrl_url = ctrl_str; | |
529 | attr->override_attr->data_url = data_str; | |
a2a75fa4 JR |
530 | |
531 | attr->raw_override_url = raw_url_str; | |
532 | attr->raw_override_path_url = raw_path_str; | |
533 | attr->raw_override_ctrl_url = raw_ctrl_str; | |
534 | attr->raw_override_data_url = raw_data_str; | |
535 | ||
536 | /* Pass data ownership to attr. */ | |
cd9adb8b JG |
537 | raw_url_str = nullptr; |
538 | raw_path_str = nullptr; | |
539 | path_str = nullptr; | |
540 | raw_ctrl_str = nullptr; | |
541 | ctrl_str = nullptr; | |
542 | raw_data_str = nullptr; | |
543 | data_str = nullptr; | |
a2a75fa4 JR |
544 | |
545 | end: | |
546 | free(raw_path_str); | |
547 | free(path_str); | |
548 | free(raw_ctrl_str); | |
549 | free(ctrl_str); | |
550 | free(raw_data_str); | |
551 | free(data_str); | |
552 | free(raw_url_str); | |
553 | free(uri); | |
554 | return ret; | |
555 | } | |
0d4bab5e | 556 | |
28ab034a JG |
557 | int lttng_load_session_attr_set_override_session_name(struct lttng_load_session_attr *attr, |
558 | const char *session_name) | |
2aaf5fc7 JR |
559 | { |
560 | int ret = 0; | |
561 | size_t len; | |
562 | ||
28ab034a | 563 | if (!attr || !session_name) { |
2aaf5fc7 JR |
564 | ret = -LTTNG_ERR_INVALID; |
565 | goto end; | |
566 | } | |
567 | ||
568 | if (!attr->override_attr) { | |
64803277 | 569 | attr->override_attr = zmalloc<config_load_session_override_attr>(); |
2aaf5fc7 JR |
570 | if (!attr->override_attr) { |
571 | ret = -LTTNG_ERR_NOMEM; | |
572 | goto end; | |
573 | } | |
574 | } | |
575 | ||
576 | len = strlen(session_name); | |
577 | if (len >= LTTNG_NAME_MAX) { | |
578 | ret = -LTTNG_ERR_INVALID; | |
579 | goto end; | |
580 | } | |
581 | ||
28ab034a | 582 | attr->override_attr->session_name = lttng_strndup(session_name, len); |
2aaf5fc7 JR |
583 | if (!attr->override_attr->session_name) { |
584 | ret = -LTTNG_ERR_NOMEM; | |
585 | goto end; | |
586 | } | |
587 | end: | |
588 | return ret; | |
589 | } | |
590 | ||
9245bd0e DG |
591 | int lttng_load_session(struct lttng_load_session_attr *attr) |
592 | { | |
593 | int ret; | |
18e29540 | 594 | const char *url, *session_name; |
9245bd0e DG |
595 | |
596 | if (!attr) { | |
597 | ret = -LTTNG_ERR_INVALID; | |
598 | goto end; | |
599 | } | |
600 | ||
2aaf5fc7 JR |
601 | ret = validate_attr(attr); |
602 | if (ret) { | |
603 | goto end; | |
604 | } | |
605 | ||
cd9adb8b JG |
606 | url = attr->input_url[0] != '\0' ? attr->input_url : nullptr; |
607 | session_name = attr->session_name[0] != '\0' ? attr->session_name : nullptr; | |
18e29540 | 608 | |
28ab034a | 609 | ret = config_load_session(url, session_name, attr->overwrite, 0, attr->override_attr); |
9245bd0e DG |
610 | |
611 | end: | |
612 | return ret; | |
613 | } |