Commit | Line | Data |
---|---|---|
b178f53e | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2019 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
b178f53e | 3 | * |
c922647d | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
b178f53e JG |
5 | */ |
6 | ||
c9e313bc SM |
7 | #include <common/defaults.hpp> |
8 | #include <common/error.hpp> | |
b52d6eac JR |
9 | #include <common/macros.hpp> |
10 | #include <common/payload-view.hpp> | |
11 | #include <common/payload.hpp> | |
12 | #include <common/uri.hpp> | |
13 | #include <lttng/session-descriptor-internal.hpp> | |
14 | #include <lttng/trace-format-descriptor-internal.hpp> | |
15 | #include <lttng/trace-format-descriptor.h> | |
16 | #include <memory> | |
b178f53e | 17 | #include <stdio.h> |
b52d6eac | 18 | #include <time.h> |
b178f53e | 19 | |
f1494934 | 20 | namespace { |
b178f53e JG |
21 | struct lttng_session_descriptor_network_location { |
22 | struct lttng_uri *control; | |
23 | struct lttng_uri *data; | |
24 | }; | |
f1494934 | 25 | } /* namespace */ |
b178f53e JG |
26 | |
27 | struct lttng_session_descriptor { | |
28 | enum lttng_session_descriptor_type type; | |
29 | /* | |
30 | * If an output type that is not OUTPUT_TYPE_NONE is specified, | |
31 | * it means that an output of that type must be generated at | |
32 | * session-creation time. | |
33 | */ | |
34 | enum lttng_session_descriptor_output_type output_type; | |
35 | char *name; | |
36 | union { | |
37 | struct lttng_session_descriptor_network_location network; | |
38 | struct lttng_uri *local; | |
39 | } output; | |
b52d6eac JR |
40 | |
41 | lttng::trace_format_descriptor *format_descriptor; | |
b178f53e JG |
42 | }; |
43 | ||
f1494934 | 44 | namespace { |
b178f53e JG |
45 | struct lttng_session_descriptor_snapshot { |
46 | struct lttng_session_descriptor base; | |
47 | /* | |
48 | * Assumes at-most one snapshot output is supported. Uses | |
49 | * the output field of the base class. | |
50 | */ | |
51 | }; | |
52 | ||
53 | struct lttng_session_descriptor_live { | |
54 | struct lttng_session_descriptor base; | |
55 | unsigned long long live_timer_us; | |
56 | }; | |
57 | ||
58 | struct lttng_session_descriptor_comm { | |
59 | /* enum lttng_session_descriptor_type */ | |
60 | uint8_t type; | |
61 | /* enum lttng_session_descriptor_output_type */ | |
62 | uint8_t output_type; | |
63 | /* Includes trailing null. */ | |
64 | uint32_t name_len; | |
b52d6eac | 65 | /* Number of URIs */ |
b178f53e | 66 | uint8_t uri_count; |
b52d6eac JR |
67 | /* Size of lttng_trace_format_descriptor */ |
68 | uint32_t trace_format_len; | |
69 | /* Name follows, followed by URIs, followed by lttng_trace_format */ | |
b178f53e JG |
70 | } LTTNG_PACKED; |
71 | ||
72 | struct lttng_session_descriptor_live_comm { | |
73 | struct lttng_session_descriptor_comm base; | |
74 | /* Live-specific parameters. */ | |
75 | uint64_t live_timer_us; | |
76 | } LTTNG_PACKED; | |
f1494934 | 77 | } /* namespace */ |
b178f53e JG |
78 | |
79 | static | |
80 | struct lttng_uri *uri_copy(const struct lttng_uri *uri) | |
81 | { | |
82 | struct lttng_uri *new_uri = NULL; | |
83 | ||
84 | if (!uri) { | |
85 | goto end; | |
86 | } | |
87 | ||
64803277 | 88 | new_uri = zmalloc<lttng_uri>(); |
b178f53e JG |
89 | if (!new_uri) { |
90 | goto end; | |
91 | } | |
92 | memcpy(new_uri, uri, sizeof(*new_uri)); | |
93 | end: | |
94 | return new_uri; | |
95 | } | |
96 | ||
97 | static | |
98 | struct lttng_uri *uri_from_path(const char *path) | |
99 | { | |
100 | struct lttng_uri *uris = NULL; | |
101 | ssize_t uri_count; | |
102 | char local_protocol_string[LTTNG_PATH_MAX + sizeof("file://")] = | |
103 | "file://"; | |
104 | ||
105 | if (strlen(path) >= LTTNG_PATH_MAX) { | |
106 | goto end; | |
107 | } | |
108 | ||
109 | if (path[0] != '/') { | |
110 | /* Not an absolute path. */ | |
111 | goto end; | |
112 | } | |
113 | ||
114 | strncat(local_protocol_string, path, LTTNG_PATH_MAX); | |
115 | uri_count = uri_parse(local_protocol_string, &uris); | |
116 | if (uri_count != 1) { | |
117 | goto error; | |
118 | } | |
119 | if (uris[0].dtype != LTTNG_DST_PATH) { | |
120 | goto error; | |
121 | } | |
122 | ||
123 | end: | |
124 | return uris; | |
125 | error: | |
126 | free(uris); | |
127 | return NULL; | |
128 | } | |
129 | ||
130 | static | |
131 | void network_location_fini( | |
132 | struct lttng_session_descriptor_network_location *location) | |
133 | { | |
134 | free(location->control); | |
135 | free(location->data); | |
136 | } | |
137 | ||
138 | /* Assumes ownership of control and data. */ | |
139 | static | |
140 | int network_location_set_from_lttng_uris( | |
141 | struct lttng_session_descriptor_network_location *location, | |
142 | struct lttng_uri *control, struct lttng_uri *data) | |
143 | { | |
144 | int ret = 0; | |
145 | ||
146 | if (!control && !data) { | |
147 | goto end; | |
148 | } | |
149 | ||
150 | if (!(control && data)) { | |
151 | /* None or both must be set. */ | |
152 | ret = -1; | |
153 | goto end; | |
154 | } | |
155 | ||
156 | if (control->stype != LTTNG_STREAM_CONTROL || | |
157 | data->stype != LTTNG_STREAM_DATA) { | |
158 | ret = -1; | |
159 | goto end; | |
160 | } | |
161 | ||
162 | free(location->control); | |
163 | free(location->data); | |
164 | location->control = control; | |
165 | location->data = data; | |
166 | control = NULL; | |
167 | data = NULL; | |
168 | end: | |
169 | free(control); | |
170 | free(data); | |
171 | return ret; | |
172 | } | |
173 | ||
174 | static | |
175 | int network_location_set_from_uri_strings( | |
176 | struct lttng_session_descriptor_network_location *location, | |
177 | const char *control, const char *data) | |
178 | { | |
179 | int ret = 0; | |
180 | ssize_t uri_count; | |
181 | struct lttng_uri *parsed_uris = NULL; | |
182 | struct lttng_uri *control_uri = NULL; | |
183 | struct lttng_uri *data_uri = NULL; | |
184 | ||
185 | uri_count = uri_parse_str_urls(control, data, &parsed_uris); | |
186 | if (uri_count != 2 && uri_count != 0) { | |
187 | ret = -1; | |
188 | goto end; | |
189 | } | |
190 | ||
191 | /* | |
192 | * uri_parse_str_urls returns a contiguous array of lttng_uris whereas | |
193 | * session descriptors expect individually allocated lttng_uris. | |
194 | */ | |
195 | if (uri_count == 2) { | |
64803277 SM |
196 | control_uri = zmalloc<lttng_uri>(); |
197 | data_uri = zmalloc<lttng_uri>(); | |
b178f53e JG |
198 | if (!control_uri || !data_uri) { |
199 | ret = -1; | |
200 | goto end; | |
201 | } | |
202 | memcpy(control_uri, &parsed_uris[0], sizeof(*control_uri)); | |
203 | memcpy(data_uri, &parsed_uris[1], sizeof(*data_uri)); | |
204 | } | |
205 | ||
206 | /* Ownership of control and data uris is transferred. */ | |
207 | ret = network_location_set_from_lttng_uris( | |
208 | location, | |
209 | control_uri, | |
210 | data_uri); | |
211 | control_uri = NULL; | |
212 | data_uri = NULL; | |
213 | end: | |
214 | free(parsed_uris); | |
215 | free(control_uri); | |
216 | free(data_uri); | |
217 | return ret; | |
218 | } | |
219 | ||
220 | struct lttng_session_descriptor * | |
221 | lttng_session_descriptor_create(const char *name) | |
222 | { | |
223 | struct lttng_session_descriptor *descriptor; | |
224 | ||
64803277 | 225 | descriptor = zmalloc<lttng_session_descriptor>(); |
b178f53e JG |
226 | if (!descriptor) { |
227 | goto error; | |
228 | } | |
229 | ||
230 | descriptor->type = LTTNG_SESSION_DESCRIPTOR_TYPE_REGULAR; | |
231 | descriptor->output_type = | |
232 | LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE; | |
233 | if (lttng_session_descriptor_set_session_name(descriptor, name)) { | |
234 | goto error; | |
235 | } | |
b52d6eac | 236 | |
502514c0 | 237 | /* Default to ctf2 trace format */ |
b52d6eac | 238 | try { |
502514c0 | 239 | descriptor->format_descriptor = new lttng::trace_format_descriptor_ctf2(); |
b52d6eac JR |
240 | } catch (const std::exception& ex) { |
241 | descriptor->format_descriptor = nullptr; | |
242 | goto error; | |
243 | } | |
244 | ||
b178f53e JG |
245 | return descriptor; |
246 | error: | |
247 | lttng_session_descriptor_destroy(descriptor); | |
248 | return NULL; | |
249 | } | |
250 | ||
251 | /* Ownership of uri is transferred. */ | |
252 | static | |
253 | struct lttng_session_descriptor * | |
254 | _lttng_session_descriptor_local_create(const char *name, | |
255 | struct lttng_uri *uri) | |
256 | { | |
257 | struct lttng_session_descriptor *descriptor; | |
258 | ||
259 | descriptor = lttng_session_descriptor_create(name); | |
260 | if (!descriptor) { | |
261 | goto error; | |
262 | } | |
263 | descriptor->type = LTTNG_SESSION_DESCRIPTOR_TYPE_REGULAR; | |
264 | descriptor->output_type = | |
265 | LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL; | |
266 | if (uri) { | |
267 | if (uri->dtype != LTTNG_DST_PATH) { | |
268 | goto error; | |
269 | } | |
270 | descriptor->output.local = uri; | |
271 | uri = NULL; | |
272 | } | |
273 | return descriptor; | |
274 | error: | |
275 | free(uri); | |
276 | lttng_session_descriptor_destroy(descriptor); | |
277 | return NULL; | |
278 | } | |
279 | ||
280 | struct lttng_session_descriptor * | |
281 | lttng_session_descriptor_local_create(const char *name, const char *path) | |
282 | { | |
283 | struct lttng_uri *uri = NULL; | |
284 | struct lttng_session_descriptor *descriptor; | |
285 | ||
286 | if (path) { | |
287 | uri = uri_from_path(path); | |
288 | if (!uri) { | |
289 | goto error; | |
290 | } | |
291 | } | |
292 | descriptor = _lttng_session_descriptor_local_create(name, uri); | |
293 | return descriptor; | |
294 | error: | |
295 | return NULL; | |
296 | } | |
297 | ||
298 | /* Assumes the ownership of both uris. */ | |
299 | static | |
300 | struct lttng_session_descriptor * | |
301 | _lttng_session_descriptor_network_create(const char *name, | |
302 | struct lttng_uri *control, struct lttng_uri *data) | |
303 | { | |
304 | int ret; | |
305 | struct lttng_session_descriptor *descriptor; | |
306 | ||
307 | descriptor = lttng_session_descriptor_create(name); | |
308 | if (!descriptor) { | |
309 | goto error; | |
310 | } | |
311 | ||
312 | descriptor->type = LTTNG_SESSION_DESCRIPTOR_TYPE_REGULAR; | |
313 | descriptor->output_type = LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK; | |
314 | /* Assumes the ownership of both uris. */ | |
315 | ret = network_location_set_from_lttng_uris(&descriptor->output.network, | |
316 | control, data); | |
317 | control = NULL; | |
318 | data = NULL; | |
319 | if (ret) { | |
320 | goto error; | |
321 | } | |
322 | return descriptor; | |
323 | error: | |
324 | lttng_session_descriptor_destroy(descriptor); | |
325 | free(control); | |
326 | free(data); | |
327 | return NULL; | |
328 | } | |
329 | ||
330 | struct lttng_session_descriptor * | |
331 | lttng_session_descriptor_network_create(const char *name, | |
332 | const char *control_url, const char *data_url) | |
333 | { | |
334 | int ret; | |
335 | struct lttng_session_descriptor *descriptor; | |
336 | ||
337 | descriptor = _lttng_session_descriptor_network_create(name, | |
338 | NULL, NULL); | |
339 | if (!descriptor) { | |
340 | goto error; | |
341 | } | |
342 | ||
343 | ret = network_location_set_from_uri_strings(&descriptor->output.network, | |
344 | control_url, data_url); | |
345 | if (ret) { | |
346 | goto error; | |
347 | } | |
348 | return descriptor; | |
349 | error: | |
350 | lttng_session_descriptor_destroy(descriptor); | |
351 | return NULL; | |
352 | } | |
353 | ||
354 | static | |
355 | struct lttng_session_descriptor_snapshot * | |
356 | _lttng_session_descriptor_snapshot_create(const char *name) | |
357 | { | |
358 | struct lttng_session_descriptor_snapshot *descriptor; | |
359 | ||
64803277 | 360 | descriptor = zmalloc<lttng_session_descriptor_snapshot>(); |
b178f53e JG |
361 | if (!descriptor) { |
362 | goto error; | |
363 | } | |
364 | ||
365 | descriptor->base.type = LTTNG_SESSION_DESCRIPTOR_TYPE_SNAPSHOT; | |
366 | descriptor->base.output_type = | |
367 | LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE; | |
368 | if (lttng_session_descriptor_set_session_name(&descriptor->base, | |
369 | name)) { | |
370 | goto error; | |
371 | } | |
b52d6eac | 372 | |
502514c0 | 373 | /* Default to ctf2 trace format */ |
b52d6eac | 374 | try { |
502514c0 | 375 | descriptor->base.format_descriptor = new lttng::trace_format_descriptor_ctf2(); |
b52d6eac JR |
376 | } catch (const std::exception& ex) { |
377 | descriptor->base.format_descriptor = nullptr; | |
378 | goto error; | |
379 | } | |
380 | ||
b178f53e JG |
381 | return descriptor; |
382 | error: | |
383 | lttng_session_descriptor_destroy(descriptor ? &descriptor->base : NULL); | |
384 | return NULL; | |
385 | } | |
386 | ||
387 | /* Ownership of control and data is transferred. */ | |
388 | static | |
389 | struct lttng_session_descriptor_snapshot * | |
390 | _lttng_session_descriptor_snapshot_network_create(const char *name, | |
391 | struct lttng_uri *control, struct lttng_uri *data) | |
392 | { | |
393 | int ret; | |
394 | struct lttng_session_descriptor_snapshot *descriptor; | |
395 | ||
396 | descriptor = _lttng_session_descriptor_snapshot_create(name); | |
397 | if (!descriptor) { | |
398 | goto error; | |
399 | } | |
400 | ||
401 | descriptor->base.output_type = | |
402 | LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK; | |
403 | /* Ownership of control and data is transferred. */ | |
404 | ret = network_location_set_from_lttng_uris( | |
405 | &descriptor->base.output.network, | |
406 | control, data); | |
407 | control = NULL; | |
408 | data = NULL; | |
409 | if (ret) { | |
410 | goto error; | |
411 | } | |
412 | return descriptor; | |
413 | error: | |
414 | free(control); | |
415 | free(data); | |
416 | lttng_session_descriptor_destroy(descriptor ? &descriptor->base : NULL); | |
417 | return NULL; | |
418 | } | |
419 | ||
420 | struct lttng_session_descriptor * | |
421 | lttng_session_descriptor_snapshot_create(const char *name) | |
422 | { | |
423 | struct lttng_session_descriptor_snapshot *descriptor; | |
424 | ||
425 | descriptor = _lttng_session_descriptor_snapshot_create(name); | |
426 | return descriptor ? &descriptor->base : NULL; | |
427 | } | |
428 | ||
429 | struct lttng_session_descriptor * | |
430 | lttng_session_descriptor_snapshot_network_create(const char *name, | |
431 | const char *control_url, const char *data_url) | |
432 | { | |
433 | int ret; | |
434 | struct lttng_session_descriptor_snapshot *descriptor; | |
435 | ||
436 | descriptor = _lttng_session_descriptor_snapshot_network_create(name, | |
437 | NULL, NULL); | |
438 | if (!descriptor) { | |
439 | goto error; | |
440 | } | |
441 | ||
442 | ret = network_location_set_from_uri_strings( | |
443 | &descriptor->base.output.network, | |
444 | control_url, data_url); | |
445 | if (ret) { | |
446 | goto error; | |
447 | } | |
448 | return &descriptor->base; | |
449 | error: | |
450 | lttng_session_descriptor_destroy(descriptor ? &descriptor->base : NULL); | |
451 | return NULL; | |
452 | } | |
453 | ||
454 | /* Ownership of uri is transferred. */ | |
455 | static | |
456 | struct lttng_session_descriptor_snapshot * | |
457 | _lttng_session_descriptor_snapshot_local_create(const char *name, | |
458 | struct lttng_uri *uri) | |
459 | { | |
460 | struct lttng_session_descriptor_snapshot *descriptor; | |
461 | ||
462 | descriptor = _lttng_session_descriptor_snapshot_create(name); | |
463 | if (!descriptor) { | |
464 | goto error; | |
465 | } | |
466 | descriptor->base.output_type = | |
467 | LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL; | |
468 | if (uri) { | |
469 | if (uri->dtype != LTTNG_DST_PATH) { | |
470 | goto error; | |
471 | } | |
472 | descriptor->base.output.local = uri; | |
473 | uri = NULL; | |
474 | } | |
475 | return descriptor; | |
476 | error: | |
477 | free(uri); | |
478 | lttng_session_descriptor_destroy(descriptor ? &descriptor->base : NULL); | |
479 | return NULL; | |
480 | } | |
481 | ||
482 | struct lttng_session_descriptor * | |
483 | lttng_session_descriptor_snapshot_local_create(const char *name, | |
484 | const char *path) | |
485 | { | |
486 | struct lttng_uri *path_uri = NULL; | |
487 | struct lttng_session_descriptor_snapshot *descriptor; | |
488 | ||
489 | if (path) { | |
490 | path_uri = uri_from_path(path); | |
491 | if (!path_uri) { | |
492 | goto error; | |
493 | } | |
494 | } | |
495 | descriptor = _lttng_session_descriptor_snapshot_local_create(name, | |
496 | path_uri); | |
497 | return descriptor ? &descriptor->base : NULL; | |
498 | error: | |
499 | return NULL; | |
500 | } | |
501 | ||
502 | static | |
503 | struct lttng_session_descriptor_live * | |
504 | _lttng_session_descriptor_live_create(const char *name, | |
505 | unsigned long long live_timer_interval_us) | |
506 | { | |
507 | struct lttng_session_descriptor_live *descriptor = NULL; | |
508 | ||
509 | if (live_timer_interval_us == 0) { | |
510 | goto error; | |
511 | } | |
64803277 | 512 | descriptor = zmalloc<lttng_session_descriptor_live>(); |
b178f53e JG |
513 | if (!descriptor) { |
514 | goto error; | |
515 | } | |
516 | ||
517 | descriptor->base.type = LTTNG_SESSION_DESCRIPTOR_TYPE_LIVE; | |
518 | descriptor->base.output_type = | |
519 | LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE; | |
b52d6eac | 520 | |
b178f53e JG |
521 | descriptor->live_timer_us = live_timer_interval_us; |
522 | if (lttng_session_descriptor_set_session_name(&descriptor->base, | |
523 | name)) { | |
524 | goto error; | |
525 | } | |
526 | ||
502514c0 | 527 | /* Default to ctf2 trace format */ |
b52d6eac | 528 | try { |
502514c0 | 529 | descriptor->base.format_descriptor = new lttng::trace_format_descriptor_ctf2(); |
b52d6eac JR |
530 | } catch (const std::exception& ex) { |
531 | descriptor->base.format_descriptor = nullptr; | |
532 | goto error; | |
533 | } | |
534 | ||
b178f53e JG |
535 | return descriptor; |
536 | error: | |
537 | lttng_session_descriptor_destroy(descriptor ? &descriptor->base : NULL); | |
538 | return NULL; | |
539 | } | |
540 | ||
541 | /* Ownership of control and data is transferred. */ | |
542 | static | |
543 | struct lttng_session_descriptor_live * | |
544 | _lttng_session_descriptor_live_network_create( | |
545 | const char *name, | |
546 | struct lttng_uri *control, struct lttng_uri *data, | |
547 | unsigned long long live_timer_interval_us) | |
548 | { | |
549 | int ret; | |
550 | struct lttng_session_descriptor_live *descriptor; | |
551 | ||
552 | descriptor = _lttng_session_descriptor_live_create(name, | |
553 | live_timer_interval_us); | |
ca258a7d FD |
554 | if (!descriptor) { |
555 | goto error; | |
556 | } | |
557 | ||
b178f53e JG |
558 | descriptor->base.output_type = |
559 | LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK; | |
560 | ||
561 | /* Ownerwhip of control and data is transferred. */ | |
562 | ret = network_location_set_from_lttng_uris( | |
563 | &descriptor->base.output.network, | |
564 | control, data); | |
565 | control = NULL; | |
566 | data = NULL; | |
567 | if (ret) { | |
568 | goto error; | |
569 | } | |
570 | return descriptor; | |
571 | error: | |
572 | free(control); | |
573 | free(data); | |
574 | lttng_session_descriptor_destroy(descriptor ? &descriptor->base : NULL); | |
575 | return NULL; | |
576 | } | |
577 | ||
578 | struct lttng_session_descriptor * | |
579 | lttng_session_descriptor_live_create( | |
580 | const char *name, | |
581 | unsigned long long live_timer_us) | |
582 | { | |
583 | struct lttng_session_descriptor_live *descriptor; | |
584 | ||
585 | descriptor = _lttng_session_descriptor_live_create(name, live_timer_us); | |
b178f53e JG |
586 | |
587 | return descriptor ? &descriptor->base : NULL; | |
b178f53e JG |
588 | } |
589 | ||
590 | struct lttng_session_descriptor * | |
591 | lttng_session_descriptor_live_network_create( | |
592 | const char *name, | |
593 | const char *control_url, const char *data_url, | |
594 | unsigned long long live_timer_us) | |
595 | { | |
596 | int ret; | |
597 | struct lttng_session_descriptor_live *descriptor; | |
598 | ||
599 | descriptor = _lttng_session_descriptor_live_network_create(name, | |
600 | NULL, NULL, live_timer_us); | |
601 | if (!descriptor) { | |
602 | goto error; | |
603 | } | |
604 | ||
605 | ret = network_location_set_from_uri_strings( | |
606 | &descriptor->base.output.network, | |
607 | control_url, data_url); | |
608 | if (ret) { | |
609 | goto error; | |
610 | } | |
611 | return &descriptor->base; | |
612 | error: | |
613 | lttng_session_descriptor_destroy(descriptor ? &descriptor->base : NULL); | |
614 | return NULL; | |
615 | } | |
616 | ||
617 | void lttng_session_descriptor_destroy( | |
618 | struct lttng_session_descriptor *descriptor) | |
619 | { | |
620 | if (!descriptor) { | |
621 | return; | |
622 | } | |
623 | ||
624 | switch (descriptor->output_type) { | |
625 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
626 | break; | |
627 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
628 | free(descriptor->output.local); | |
629 | break; | |
630 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
631 | network_location_fini(&descriptor->output.network); | |
632 | break; | |
633 | default: | |
634 | abort(); | |
635 | } | |
636 | ||
b52d6eac | 637 | delete (descriptor->format_descriptor); |
b178f53e JG |
638 | free(descriptor->name); |
639 | free(descriptor); | |
640 | } | |
641 | ||
b178f53e JG |
642 | ssize_t lttng_session_descriptor_create_from_buffer( |
643 | const struct lttng_buffer_view *payload, | |
644 | struct lttng_session_descriptor **descriptor) | |
645 | { | |
646 | int i; | |
647 | ssize_t offset = 0, ret; | |
648 | struct lttng_buffer_view current_view; | |
b52d6eac | 649 | |
b178f53e JG |
650 | const char *name = NULL; |
651 | const struct lttng_session_descriptor_comm *base_header; | |
652 | size_t max_expected_uri_count; | |
653 | uint64_t live_timer_us = 0; | |
654 | struct lttng_uri *uris[2] = {}; | |
655 | enum lttng_session_descriptor_type type; | |
656 | enum lttng_session_descriptor_output_type output_type; | |
b52d6eac | 657 | lttng::trace_format_descriptor::uptr trace_format; |
b178f53e JG |
658 | |
659 | current_view = lttng_buffer_view_from_view(payload, offset, | |
660 | sizeof(*base_header)); | |
3e6e0df2 | 661 | if (!lttng_buffer_view_is_valid(¤t_view)) { |
b178f53e JG |
662 | ret = -1; |
663 | goto end; | |
664 | } | |
665 | ||
3e6e0df2 | 666 | base_header = (typeof(base_header)) current_view.data; |
b178f53e JG |
667 | switch (base_header->type) { |
668 | case LTTNG_SESSION_DESCRIPTOR_TYPE_REGULAR: | |
669 | case LTTNG_SESSION_DESCRIPTOR_TYPE_SNAPSHOT: | |
670 | break; | |
671 | case LTTNG_SESSION_DESCRIPTOR_TYPE_LIVE: | |
672 | { | |
673 | const struct lttng_session_descriptor_live_comm *live_header; | |
674 | ||
675 | current_view = lttng_buffer_view_from_view(payload, offset, | |
676 | sizeof(*live_header)); | |
3e6e0df2 | 677 | if (!lttng_buffer_view_is_valid(¤t_view)) { |
b178f53e JG |
678 | ret = -1; |
679 | goto end; | |
680 | } | |
681 | ||
3e6e0df2 | 682 | live_header = (typeof(live_header)) current_view.data; |
b178f53e JG |
683 | live_timer_us = live_header->live_timer_us; |
684 | break; | |
685 | } | |
686 | default: | |
687 | ret = -1; | |
688 | goto end; | |
689 | } | |
690 | /* type has been validated. */ | |
a6bc4ca9 | 691 | type = (lttng_session_descriptor_type) base_header->type; |
b178f53e JG |
692 | |
693 | switch (base_header->output_type) { | |
694 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
695 | max_expected_uri_count = 0; | |
696 | break; | |
697 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
698 | max_expected_uri_count = 1; | |
699 | break; | |
700 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
701 | max_expected_uri_count = 2; | |
702 | break; | |
703 | default: | |
704 | ret = -1; | |
705 | goto end; | |
706 | } | |
707 | /* output_type has been validated. */ | |
a6bc4ca9 | 708 | output_type = (lttng_session_descriptor_output_type) base_header->output_type; |
b178f53e JG |
709 | |
710 | /* Skip after header. */ | |
711 | offset += current_view.size; | |
712 | if (!base_header->name_len) { | |
713 | goto skip_name; | |
714 | } | |
715 | ||
716 | /* Map the name. */ | |
717 | current_view = lttng_buffer_view_from_view(payload, offset, | |
718 | base_header->name_len); | |
3e6e0df2 | 719 | if (!lttng_buffer_view_is_valid(¤t_view)) { |
b178f53e JG |
720 | ret = -1; |
721 | goto end; | |
722 | } | |
723 | ||
3e6e0df2 | 724 | name = current_view.data; |
b178f53e JG |
725 | if (base_header->name_len == 1 || |
726 | name[base_header->name_len - 1] || | |
727 | strlen(name) != base_header->name_len - 1) { | |
728 | /* | |
729 | * Check that the name is not NULL, is NULL-terminated, and | |
730 | * does not contain a NULL before the last byte. | |
731 | */ | |
732 | ret = -1; | |
733 | goto end; | |
734 | } | |
735 | ||
736 | /* Skip after the name. */ | |
737 | offset += base_header->name_len; | |
738 | skip_name: | |
739 | if (base_header->uri_count > max_expected_uri_count) { | |
740 | ret = -1; | |
741 | goto end; | |
742 | } | |
743 | ||
744 | for (i = 0; i < base_header->uri_count; i++) { | |
745 | struct lttng_uri *uri; | |
746 | ||
747 | /* Map a URI. */ | |
748 | current_view = lttng_buffer_view_from_view(payload, | |
749 | offset, sizeof(*uri)); | |
3e6e0df2 | 750 | if (!lttng_buffer_view_is_valid(¤t_view)) { |
b178f53e JG |
751 | ret = -1; |
752 | goto end; | |
753 | } | |
3e6e0df2 JG |
754 | |
755 | uri = (typeof(uri)) current_view.data; | |
64803277 | 756 | uris[i] = zmalloc<lttng_uri>(); |
b178f53e JG |
757 | if (!uris[i]) { |
758 | ret = -1; | |
759 | goto end; | |
760 | } | |
761 | memcpy(uris[i], uri, sizeof(*uri)); | |
762 | offset += sizeof(*uri); | |
763 | } | |
764 | ||
b52d6eac JR |
765 | /* Deserialize trace format */ |
766 | { | |
767 | struct lttng_payload_view current_payload_view = | |
768 | lttng_payload_view_from_buffer_view( | |
769 | payload, offset, base_header->trace_format_len); | |
770 | if (!lttng_buffer_view_is_valid(¤t_view)) { | |
771 | ret = -1; | |
772 | goto end; | |
773 | } | |
774 | ret = lttng::trace_format_descriptor::create_from_payload( | |
775 | ¤t_payload_view, trace_format); | |
776 | if (ret < 0 || ret != base_header->trace_format_len) { | |
777 | ret = -1; | |
778 | goto end; | |
779 | } | |
780 | } | |
781 | ||
b178f53e JG |
782 | switch (type) { |
783 | case LTTNG_SESSION_DESCRIPTOR_TYPE_REGULAR: | |
784 | switch (output_type) { | |
785 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
786 | *descriptor = lttng_session_descriptor_create(name); | |
787 | break; | |
788 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
789 | *descriptor = _lttng_session_descriptor_local_create( | |
790 | name, uris[0]); | |
791 | break; | |
792 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
793 | *descriptor = _lttng_session_descriptor_network_create( | |
794 | name, uris[0], uris[1]); | |
795 | break; | |
796 | default: | |
797 | /* Already checked. */ | |
798 | abort(); | |
799 | } | |
800 | break; | |
801 | case LTTNG_SESSION_DESCRIPTOR_TYPE_SNAPSHOT: | |
802 | { | |
803 | struct lttng_session_descriptor_snapshot *snapshot; | |
804 | switch (output_type) { | |
805 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
806 | snapshot = _lttng_session_descriptor_snapshot_create( | |
807 | name); | |
808 | break; | |
809 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
810 | snapshot = _lttng_session_descriptor_snapshot_local_create( | |
811 | name, uris[0]); | |
812 | break; | |
813 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
814 | snapshot = _lttng_session_descriptor_snapshot_network_create( | |
815 | name, uris[0], uris[1]); | |
816 | break; | |
817 | default: | |
818 | /* Already checked. */ | |
819 | abort(); | |
820 | } | |
821 | *descriptor = snapshot ? &snapshot->base : NULL; | |
822 | break; | |
823 | } | |
824 | case LTTNG_SESSION_DESCRIPTOR_TYPE_LIVE: | |
825 | { | |
826 | struct lttng_session_descriptor_live *live; | |
827 | ||
828 | switch (output_type) { | |
829 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
830 | live = _lttng_session_descriptor_live_create( | |
831 | name, live_timer_us); | |
832 | break; | |
833 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
834 | live = _lttng_session_descriptor_live_network_create( | |
835 | name, uris[0], uris[1], | |
836 | live_timer_us); | |
837 | break; | |
838 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
839 | ret = -1; | |
840 | goto end; | |
841 | default: | |
842 | /* Already checked. */ | |
843 | abort(); | |
844 | } | |
845 | *descriptor = live ? &live->base : NULL; | |
846 | break; | |
847 | } | |
848 | default: | |
849 | /* Already checked. */ | |
850 | abort(); | |
851 | } | |
852 | memset(uris, 0, sizeof(uris)); | |
853 | if (!*descriptor) { | |
854 | ret = -1; | |
855 | goto end; | |
856 | } | |
857 | ||
b52d6eac JR |
858 | (*descriptor)->format_descriptor = trace_format.release(); |
859 | ||
b178f53e JG |
860 | ret = offset; |
861 | end: | |
862 | free(uris[0]); | |
863 | free(uris[1]); | |
864 | return ret; | |
865 | } | |
866 | ||
b178f53e | 867 | int lttng_session_descriptor_serialize( |
b52d6eac | 868 | const struct lttng_session_descriptor *descriptor, lttng_payload *payload) |
b178f53e JG |
869 | { |
870 | int ret, i; | |
b52d6eac | 871 | size_t header_offset, size_before_payload; |
b178f53e JG |
872 | /* There are, at most, two URIs to serialize. */ |
873 | struct lttng_uri *uris[2] = {}; | |
874 | size_t uri_count = 0; | |
875 | /* The live header is a superset of all headers. */ | |
876 | struct lttng_session_descriptor_live_comm header = { | |
b52d6eac JR |
877 | .base = |
878 | { | |
879 | .type = (uint8_t) descriptor->type, | |
880 | .output_type = (uint8_t) descriptor | |
881 | ->output_type, | |
882 | .name_len = (uint32_t) (descriptor->name ? | |
883 | strlen(descriptor->name) + | |
884 | 1 : | |
885 | 0), | |
886 | .uri_count = 0, | |
887 | .trace_format_len = 0, | |
888 | }, | |
889 | .live_timer_us = 0, | |
1c9a0b0e | 890 | |
b178f53e | 891 | }; |
b52d6eac | 892 | struct lttng_session_descriptor_comm *base_header; |
b178f53e JG |
893 | const void *header_ptr = NULL; |
894 | size_t header_size; | |
895 | ||
896 | switch (descriptor->output_type) { | |
897 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
898 | break; | |
899 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
900 | uris[0] = descriptor->output.local; | |
901 | break; | |
902 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
903 | uris[0] = descriptor->output.network.control; | |
904 | uris[1] = descriptor->output.network.data; | |
905 | break; | |
906 | default: | |
907 | ret = -1; | |
908 | goto end; | |
909 | } | |
910 | uri_count += !!uris[0]; | |
911 | uri_count += !!uris[1]; | |
912 | ||
913 | header.base.uri_count = uri_count; | |
914 | if (descriptor->type == LTTNG_SESSION_DESCRIPTOR_TYPE_LIVE) { | |
0114db0e JG |
915 | const struct lttng_session_descriptor_live *live = lttng::utils::container_of( |
916 | descriptor, <tng_session_descriptor_live::base); | |
b178f53e JG |
917 | |
918 | header.live_timer_us = live->live_timer_us; | |
919 | header_ptr = &header; | |
920 | header_size = sizeof(header); | |
921 | } else { | |
922 | header_ptr = &header.base; | |
923 | header_size = sizeof(header.base); | |
924 | } | |
925 | ||
b52d6eac JR |
926 | header_offset = payload->buffer.size; |
927 | ret = lttng_dynamic_buffer_append(&payload->buffer, header_ptr, header_size); | |
b178f53e JG |
928 | if (ret) { |
929 | goto end; | |
930 | } | |
931 | if (header.base.name_len) { | |
b52d6eac JR |
932 | ret = lttng_dynamic_buffer_append( |
933 | &payload->buffer, descriptor->name, header.base.name_len); | |
b178f53e JG |
934 | if (ret) { |
935 | goto end; | |
936 | } | |
937 | } | |
938 | ||
939 | for (i = 0; i < uri_count; i++) { | |
b52d6eac JR |
940 | ret = lttng_dynamic_buffer_append( |
941 | &payload->buffer, uris[i], sizeof(struct lttng_uri)); | |
b178f53e JG |
942 | if (ret) { |
943 | goto end; | |
944 | } | |
945 | } | |
b52d6eac JR |
946 | |
947 | /* Serialize trace format */ | |
948 | size_before_payload = payload->buffer.size; | |
949 | ret = reinterpret_cast<lttng::trace_format_descriptor *>(descriptor->format_descriptor) | |
950 | ->serialize(payload); | |
951 | if (ret) { | |
952 | goto end; | |
953 | } | |
954 | base_header = (typeof(base_header)) (payload->buffer.data + header_offset); | |
955 | base_header->trace_format_len = payload->buffer.size - size_before_payload; | |
b178f53e JG |
956 | end: |
957 | return ret; | |
958 | } | |
959 | ||
b178f53e JG |
960 | enum lttng_session_descriptor_type |
961 | lttng_session_descriptor_get_type( | |
962 | const struct lttng_session_descriptor *descriptor) | |
963 | { | |
964 | return descriptor->type; | |
965 | } | |
966 | ||
b178f53e JG |
967 | enum lttng_session_descriptor_output_type |
968 | lttng_session_descriptor_get_output_type( | |
969 | const struct lttng_session_descriptor *descriptor) | |
970 | { | |
971 | return descriptor->output_type; | |
972 | } | |
973 | ||
b178f53e JG |
974 | void lttng_session_descriptor_get_local_output_uri( |
975 | const struct lttng_session_descriptor *descriptor, | |
976 | struct lttng_uri *local_uri) | |
977 | { | |
978 | memcpy(local_uri, descriptor->output.local, sizeof(*local_uri)); | |
979 | } | |
980 | ||
b178f53e JG |
981 | void lttng_session_descriptor_get_network_output_uris( |
982 | const struct lttng_session_descriptor *descriptor, | |
983 | struct lttng_uri *control, | |
984 | struct lttng_uri *data) | |
985 | { | |
986 | memcpy(control, descriptor->output.network.control, sizeof(*control)); | |
987 | memcpy(data, descriptor->output.network.data, sizeof(*data)); | |
988 | } | |
989 | ||
b178f53e JG |
990 | unsigned long long |
991 | lttng_session_descriptor_live_get_timer_interval( | |
992 | const struct lttng_session_descriptor *descriptor) | |
993 | { | |
994 | struct lttng_session_descriptor_live *live; | |
995 | ||
0114db0e | 996 | live = lttng::utils::container_of(descriptor, <tng_session_descriptor_live::base); |
b178f53e JG |
997 | return live->live_timer_us; |
998 | } | |
999 | ||
1000 | enum lttng_session_descriptor_status | |
1001 | lttng_session_descriptor_get_session_name( | |
1002 | const struct lttng_session_descriptor *descriptor, | |
1003 | const char **session_name) | |
1004 | { | |
1005 | enum lttng_session_descriptor_status status; | |
1006 | ||
1007 | if (!descriptor || !session_name) { | |
1008 | status = LTTNG_SESSION_DESCRIPTOR_STATUS_INVALID; | |
1009 | goto end; | |
1010 | } | |
1011 | ||
1012 | *session_name = descriptor->name; | |
1013 | status = descriptor->name ? | |
1014 | LTTNG_SESSION_DESCRIPTOR_STATUS_OK : | |
1015 | LTTNG_SESSION_DESCRIPTOR_STATUS_UNSET; | |
1016 | end: | |
1017 | return status; | |
1018 | } | |
1019 | ||
b178f53e JG |
1020 | int lttng_session_descriptor_set_session_name( |
1021 | struct lttng_session_descriptor *descriptor, | |
1022 | const char *name) | |
1023 | { | |
1024 | int ret = 0; | |
1025 | char *new_name; | |
1026 | ||
1027 | if (!name) { | |
1028 | goto end; | |
1029 | } | |
1030 | if (strlen(name) >= LTTNG_NAME_MAX) { | |
1031 | ret = -1; | |
1032 | goto end; | |
1033 | } | |
1034 | new_name = strdup(name); | |
1035 | if (!new_name) { | |
1036 | ret = -1; | |
1037 | goto end; | |
1038 | } | |
1039 | free(descriptor->name); | |
1040 | descriptor->name = new_name; | |
1041 | end: | |
1042 | return ret; | |
1043 | } | |
1044 | ||
b178f53e JG |
1045 | bool lttng_session_descriptor_is_output_destination_initialized( |
1046 | const struct lttng_session_descriptor *descriptor) | |
1047 | { | |
1048 | switch (descriptor->output_type) { | |
1049 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
1050 | return true; | |
1051 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
1052 | return descriptor->output.local; | |
1053 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
1054 | return descriptor->output.network.control; | |
1055 | default: | |
1056 | abort(); | |
1057 | } | |
1058 | } | |
1059 | ||
b178f53e JG |
1060 | bool lttng_session_descriptor_has_output_directory( |
1061 | const struct lttng_session_descriptor *descriptor) | |
1062 | { | |
1063 | switch (descriptor->output_type) { | |
1064 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
1065 | break; | |
1066 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
1067 | if (descriptor->output.local) { | |
1068 | return *descriptor->output.local->dst.path; | |
1069 | } | |
1070 | break; | |
1071 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
1072 | if (descriptor->output.network.control) { | |
1073 | return *descriptor->output.network.control->subdir; | |
1074 | } | |
1075 | break; | |
1076 | default: | |
1077 | abort(); | |
1078 | } | |
1079 | return false; | |
1080 | } | |
1081 | ||
b178f53e JG |
1082 | enum lttng_error_code lttng_session_descriptor_set_default_output( |
1083 | struct lttng_session_descriptor *descriptor, | |
1084 | time_t *session_creation_time, | |
1085 | const char *absolute_home_path) | |
1086 | { | |
1087 | enum lttng_error_code ret_code = LTTNG_OK; | |
1088 | struct lttng_uri *uris = NULL; | |
1089 | ||
1090 | switch (descriptor->output_type) { | |
1091 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
1092 | goto end; | |
1093 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
1094 | { | |
1095 | int ret; | |
1096 | ssize_t uri_ret; | |
1097 | char local_uri[LTTNG_PATH_MAX]; | |
1098 | char creation_datetime_suffix[17] = {}; | |
1099 | ||
1100 | if (session_creation_time) { | |
1101 | size_t strftime_ret; | |
1102 | struct tm *timeinfo; | |
1103 | ||
1104 | timeinfo = localtime(session_creation_time); | |
1105 | if (!timeinfo) { | |
1106 | ret_code = LTTNG_ERR_FATAL; | |
1107 | goto end; | |
1108 | } | |
1109 | strftime_ret = strftime(creation_datetime_suffix, | |
1110 | sizeof(creation_datetime_suffix), | |
1111 | "-%Y%m%d-%H%M%S", timeinfo); | |
1112 | if (strftime_ret == 0) { | |
1113 | ERR("Failed to format session creation timestamp while setting default local output destination"); | |
1114 | ret_code = LTTNG_ERR_FATAL; | |
1115 | goto end; | |
1116 | } | |
1117 | } | |
a0377dfe | 1118 | LTTNG_ASSERT(descriptor->name); |
b178f53e JG |
1119 | ret = snprintf(local_uri, sizeof(local_uri), |
1120 | "file://%s/%s/%s%s", | |
1121 | absolute_home_path, | |
1122 | DEFAULT_TRACE_DIR_NAME, descriptor->name, | |
1123 | creation_datetime_suffix); | |
1124 | if (ret >= sizeof(local_uri)) { | |
1125 | ERR("Truncation occurred while setting default local output destination"); | |
1126 | ret_code = LTTNG_ERR_SET_URL; | |
1127 | goto end; | |
1128 | } else if (ret < 0) { | |
1129 | PERROR("Failed to format default local output URI"); | |
1130 | ret_code = LTTNG_ERR_SET_URL; | |
1131 | goto end; | |
1132 | } | |
1133 | ||
1134 | uri_ret = uri_parse(local_uri, &uris); | |
1135 | if (uri_ret != 1) { | |
1136 | ret_code = LTTNG_ERR_SET_URL; | |
1137 | goto end; | |
1138 | } | |
1139 | free(descriptor->output.local); | |
1140 | descriptor->output.local = &uris[0]; | |
1141 | uris = NULL; | |
1142 | break; | |
1143 | } | |
1144 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
1145 | { | |
1146 | int ret; | |
1147 | ssize_t uri_ret; | |
1148 | struct lttng_uri *control = NULL, *data = NULL; | |
1149 | ||
1150 | uri_ret = uri_parse_str_urls("net://127.0.0.1", NULL, &uris); | |
1151 | if (uri_ret != 2) { | |
1152 | ret_code = LTTNG_ERR_SET_URL; | |
1153 | goto end; | |
1154 | } | |
1155 | ||
1156 | control = uri_copy(&uris[0]); | |
1157 | data = uri_copy(&uris[1]); | |
1158 | if (!control || !data) { | |
1159 | free(control); | |
1160 | free(data); | |
1161 | ret_code = LTTNG_ERR_SET_URL; | |
1162 | goto end; | |
1163 | } | |
1164 | ||
1165 | /* Ownership of uris is transferred. */ | |
1166 | ret = network_location_set_from_lttng_uris( | |
1167 | &descriptor->output.network, | |
1168 | control, data); | |
1169 | if (ret) { | |
1170 | abort(); | |
1171 | ret_code = LTTNG_ERR_SET_URL; | |
1172 | goto end; | |
1173 | } | |
1174 | break; | |
1175 | } | |
1176 | default: | |
1177 | abort(); | |
1178 | } | |
1179 | end: | |
1180 | free(uris); | |
1181 | return ret_code; | |
1182 | } | |
1183 | ||
1184 | /* | |
1185 | * Note that only properties that can be populated by the session daemon | |
1186 | * (output destination and name) are assigned. | |
1187 | */ | |
b178f53e JG |
1188 | int lttng_session_descriptor_assign( |
1189 | struct lttng_session_descriptor *dst, | |
1190 | const struct lttng_session_descriptor *src) | |
1191 | { | |
1192 | int ret = 0; | |
1193 | ||
1194 | if (dst->type != src->type) { | |
1195 | ret = -1; | |
1196 | goto end; | |
1197 | } | |
1198 | if (dst->output_type != src->output_type) { | |
1199 | ret = -1; | |
1200 | goto end; | |
1201 | } | |
1202 | ret = lttng_session_descriptor_set_session_name(dst, src->name); | |
1203 | if (ret) { | |
1204 | goto end; | |
1205 | } | |
b52d6eac JR |
1206 | |
1207 | try { | |
1208 | dst->format_descriptor = src->format_descriptor->clone().release(); | |
1209 | } catch (...) { | |
1210 | ret = -1; | |
1211 | goto end; | |
1212 | } | |
1213 | ||
b178f53e JG |
1214 | switch (dst->output_type) { |
1215 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL: | |
1216 | free(dst->output.local); | |
1217 | dst->output.local = uri_copy(src->output.local); | |
1218 | if (!dst->output.local) { | |
1219 | ret = -1; | |
1220 | goto end; | |
1221 | } | |
1222 | break; | |
1223 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK: | |
1224 | { | |
1225 | struct lttng_uri *control_copy = NULL, *data_copy = NULL; | |
1226 | ||
1227 | control_copy = uri_copy(dst->output.network.control); | |
1228 | if (!control_copy && dst->output.network.control) { | |
1229 | ret = -1; | |
1230 | goto end; | |
1231 | } | |
1232 | data_copy = uri_copy(dst->output.network.data); | |
1233 | if (!data_copy && dst->output.network.data) { | |
1234 | free(control_copy); | |
1235 | ret = -1; | |
1236 | goto end; | |
1237 | } | |
1238 | ret = network_location_set_from_lttng_uris(&dst->output.network, | |
1239 | control_copy, data_copy); | |
1240 | break; | |
1241 | } | |
1242 | case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE: | |
1243 | goto end; | |
1244 | } | |
1245 | end: | |
1246 | return ret; | |
1247 | } | |
49bb5ef3 JR |
1248 | |
1249 | enum lttng_session_descriptor_status lttng_session_descriptor_get_trace_format_descriptor( | |
1250 | const struct lttng_session_descriptor *session_descriptor, | |
1251 | const struct lttng_trace_format_descriptor **trace_format_descriptor) | |
1252 | { | |
1253 | *trace_format_descriptor = reinterpret_cast<const lttng_trace_format_descriptor *>( | |
1254 | session_descriptor->format_descriptor); | |
1255 | return LTTNG_SESSION_DESCRIPTOR_STATUS_OK; | |
1256 | } | |
1257 | ||
1258 | /* trace_format_descriptor is copied internally */ | |
1259 | enum lttng_session_descriptor_status lttng_session_descriptor_set_trace_format_descriptor( | |
1260 | struct lttng_session_descriptor *session_descriptor, | |
1261 | const struct lttng_trace_format_descriptor *trace_format_descriptor) | |
1262 | { | |
1263 | if (!session_descriptor || !trace_format_descriptor) { | |
1264 | return LTTNG_SESSION_DESCRIPTOR_STATUS_INVALID; | |
1265 | } | |
1266 | ||
1267 | try { | |
1268 | lttng::trace_format_descriptor::uptr copy = | |
1269 | reinterpret_cast<const lttng::trace_format_descriptor *>( | |
1270 | trace_format_descriptor) | |
1271 | ->clone(); | |
1272 | delete session_descriptor->format_descriptor; | |
1273 | session_descriptor->format_descriptor = copy.release(); | |
1274 | } catch (const std::exception& ex) { | |
1275 | return LTTNG_SESSION_DESCRIPTOR_STATUS_INVALID; | |
1276 | } | |
1277 | ||
1278 | return LTTNG_SESSION_DESCRIPTOR_STATUS_OK; | |
1279 | } |