Commit | Line | Data |
---|---|---|
dc890bff JR |
1 | /* |
2 | * notification.c | |
3 | * | |
4 | * Tests suite for LTTng notification API | |
5 | * | |
6 | * Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
27 | #include <assert.h> | |
28 | #include <math.h> | |
29 | #include <stdbool.h> | |
30 | #include <stdio.h> | |
31 | #include <stdlib.h> | |
32 | #include <string.h> | |
33 | #include <unistd.h> | |
34 | #include <inttypes.h> | |
35 | #include <sys/types.h> | |
36 | #include <sys/stat.h> | |
37 | #include <fcntl.h> | |
38 | ||
39 | #include <lttng/action/action.h> | |
40 | #include <lttng/action/notify.h> | |
41 | #include <lttng/condition/buffer-usage.h> | |
42 | #include <lttng/condition/condition.h> | |
43 | #include <lttng/condition/evaluation.h> | |
44 | #include <lttng/domain.h> | |
45 | #include <lttng/endpoint.h> | |
46 | #include <lttng/lttng-error.h> | |
47 | #include <lttng/notification/channel.h> | |
48 | #include <lttng/notification/notification.h> | |
49 | #include <lttng/trigger/trigger.h> | |
50 | ||
51 | #include <tap/tap.h> | |
52 | ||
53 | #define NUM_TESTS 104 | |
54 | int nb_args = 0; | |
55 | int named_pipe_args_start = 0; | |
56 | ||
57 | int write_pipe(const char *path, uint8_t data) | |
58 | { | |
59 | int ret = 0; | |
60 | int fd = 0; | |
61 | ||
62 | fd = open(path, O_WRONLY | O_NONBLOCK); | |
63 | if (fd < 0) { | |
64 | perror("Could not open consumer control named pipe"); | |
65 | goto end; | |
66 | } | |
67 | ||
68 | ret = write(fd, &data , sizeof(data)); | |
69 | if (ret < 1) { | |
70 | perror("Named pipe write failed"); | |
71 | ret = -1; | |
72 | goto end; | |
73 | } | |
74 | ||
75 | ret = close(fd); | |
76 | if (ret < 0) { | |
77 | perror("Name pipe closing failed"); | |
78 | ret = -1; | |
79 | goto end; | |
80 | } | |
81 | end: | |
82 | return ret; | |
83 | } | |
84 | ||
85 | int stop_consumer(const char **argv) | |
86 | { | |
87 | int ret = 0; | |
88 | for (int i = named_pipe_args_start; i < nb_args; i++) { | |
89 | ret = write_pipe(argv[i], 49); | |
90 | } | |
91 | return ret; | |
92 | } | |
93 | ||
94 | int resume_consumer(const char **argv) | |
95 | { | |
96 | int ret = 0; | |
97 | for (int i = named_pipe_args_start; i < nb_args; i++) { | |
98 | ret = write_pipe(argv[i], 0); | |
99 | } | |
100 | return ret; | |
101 | } | |
102 | ||
103 | void test_triggers_buffer_usage_condition(const char *session_name, | |
104 | const char *channel_name, | |
105 | enum lttng_domain_type domain_type, | |
106 | enum lttng_condition_type condition_type) | |
107 | { | |
108 | enum lttng_condition_status condition_status; | |
109 | struct lttng_action *action; | |
110 | ||
111 | /* Set-up */ | |
112 | action = lttng_action_notify_create(); | |
113 | if (!action) { | |
114 | fail("Setup error on action creation"); | |
115 | goto end; | |
116 | } | |
117 | ||
118 | /* Test lttng_register_trigger with null value */ | |
119 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); | |
120 | ||
121 | /* Test: register a trigger */ | |
122 | unsigned int test_vector_size = 5; | |
123 | for (unsigned int i = 0; i < pow(2,test_vector_size); i++) { | |
124 | int loop_ret = 0; | |
125 | char *test_tuple_string = NULL; | |
126 | unsigned int mask_position = 0; | |
127 | bool session_name_set = false; | |
128 | bool channel_name_set = false; | |
129 | bool threshold_ratio_set = false; | |
130 | bool threshold_byte_set = false; | |
131 | bool domain_type_set = false; | |
132 | ||
133 | struct lttng_trigger *trigger = NULL; | |
134 | struct lttng_condition *condition = NULL; | |
135 | ||
136 | /* Create base condition */ | |
137 | switch (condition_type) { | |
138 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
139 | condition = lttng_condition_buffer_usage_low_create(); | |
140 | break; | |
141 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
142 | condition = lttng_condition_buffer_usage_high_create(); | |
143 | break; | |
144 | default: | |
145 | loop_ret = 1; | |
146 | goto loop_end; | |
147 | } | |
148 | ||
149 | if (!condition) { | |
150 | loop_ret = 1; | |
151 | goto loop_end; | |
152 | ||
153 | } | |
154 | ||
155 | /* Prepare the condition for trigger registration test */ | |
156 | ||
157 | /* Set session name */ | |
158 | if ((1 << mask_position) & i) { | |
159 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
160 | condition, session_name); | |
161 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
162 | loop_ret = 1; | |
163 | goto loop_end; | |
164 | } | |
165 | session_name_set = true; | |
166 | } | |
167 | mask_position++; | |
168 | ||
169 | /* Set channel name */ | |
170 | if ((1 << mask_position) & i) { | |
171 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
172 | condition, channel_name); | |
173 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
174 | loop_ret = 1; | |
175 | goto loop_end; | |
176 | } | |
177 | channel_name_set = true; | |
178 | } | |
179 | mask_position++; | |
180 | ||
181 | /* Set threshold ratio */ | |
182 | if ((1 << mask_position) & i) { | |
183 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
184 | condition, 0.0); | |
185 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
186 | loop_ret = 1; | |
187 | goto loop_end; | |
188 | } | |
189 | threshold_ratio_set = true; | |
190 | } | |
191 | mask_position++; | |
192 | ||
193 | /* Set threshold byte */ | |
194 | if ((1 << mask_position) & i) { | |
195 | condition_status = lttng_condition_buffer_usage_set_threshold( | |
196 | condition, 0); | |
197 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
198 | loop_ret = 1; | |
199 | goto loop_end; | |
200 | } | |
201 | threshold_byte_set = true; | |
202 | } | |
203 | mask_position++; | |
204 | ||
205 | /* Set domain type */ | |
206 | if ((1 << mask_position) & i) { | |
207 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
208 | condition, LTTNG_DOMAIN_UST); | |
209 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
210 | loop_ret = 1; | |
211 | goto loop_end; | |
212 | } | |
213 | domain_type_set = true; | |
214 | } | |
215 | ||
216 | /* Safety check */ | |
217 | if (mask_position != test_vector_size -1) { | |
218 | assert("Logic error for test vector generation"); | |
219 | } | |
220 | ||
221 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", | |
222 | session_name_set ? "set" : "unset", | |
223 | channel_name_set ? "set" : "unset", | |
224 | threshold_ratio_set ? "set" : "unset", | |
225 | threshold_byte_set ? "set" : "unset", | |
226 | domain_type_set? "set" : "unset"); | |
227 | if (!test_tuple_string || loop_ret < 0) { | |
228 | loop_ret = 1; | |
229 | goto loop_end; | |
230 | } | |
231 | ||
232 | /* Create trigger */ | |
233 | trigger = lttng_trigger_create(condition, action); | |
234 | if (!trigger) { | |
235 | loop_ret = 1; | |
236 | goto loop_end; | |
237 | } | |
238 | ||
239 | loop_ret = lttng_register_trigger(trigger); | |
240 | ||
241 | loop_end: | |
242 | if (loop_ret == 1) { | |
243 | fail("Setup error occurred for tuple: %s", test_tuple_string); | |
244 | goto loop_cleanup; | |
245 | } | |
246 | ||
247 | /* This combination happens three times */ | |
248 | if (session_name_set && channel_name_set | |
249 | && (threshold_ratio_set || threshold_byte_set) | |
250 | && domain_type_set) { | |
251 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); | |
252 | ||
253 | /* | |
254 | * Test that a trigger cannot be registered | |
255 | * multiple time. | |
256 | */ | |
257 | loop_ret = lttng_register_trigger(trigger); | |
258 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); | |
259 | ||
260 | /* Test that a trigger can be unregistered */ | |
261 | loop_ret = lttng_unregister_trigger(trigger); | |
262 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); | |
263 | ||
264 | /* | |
265 | * Test that unregistration of a non-previously | |
266 | * registered trigger fail. | |
267 | */ | |
268 | loop_ret = lttng_unregister_trigger(trigger); | |
269 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registerd trigger fails as expected: %s", test_tuple_string); | |
270 | } else { | |
271 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); | |
272 | } | |
273 | ||
274 | loop_cleanup: | |
275 | free(test_tuple_string); | |
276 | lttng_trigger_destroy(trigger); | |
277 | lttng_condition_destroy(condition); | |
278 | } | |
279 | ||
280 | end: | |
281 | lttng_action_destroy(action); | |
282 | } | |
283 | ||
284 | void test_notification_channel(const char *session_name, const char *channel_name, enum lttng_domain_type domain_type, const char **argv) | |
285 | { | |
286 | int ret = 0; | |
287 | enum lttng_condition_status condition_status; | |
288 | enum lttng_notification_channel_status nc_status; | |
289 | ||
290 | struct lttng_action *action = NULL; | |
291 | struct lttng_notification *notification = NULL; | |
292 | struct lttng_notification_channel *notification_channel = NULL; | |
293 | struct lttng_trigger *trigger = NULL; | |
294 | ||
295 | struct lttng_condition *low_condition = NULL; | |
296 | struct lttng_condition *high_condition = NULL; | |
297 | struct lttng_condition *dummy_invalid_condition = NULL; | |
298 | struct lttng_condition *dummy_condition = NULL; | |
299 | ||
300 | double low_ratio = 0.0; | |
301 | double high_ratio = 0.99; | |
302 | ||
303 | /* Set-up */ | |
304 | action = lttng_action_notify_create(); | |
305 | if (!action) { | |
306 | fail("Setup error on action creation"); | |
307 | goto end; | |
308 | } | |
309 | ||
310 | /* Create a dummy, empty condition for later test */ | |
311 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); | |
312 | if (!dummy_invalid_condition) { | |
313 | fail("Setup error on condition creation"); | |
314 | goto end; | |
315 | } | |
316 | ||
317 | /* Create a valid dummy condition with a ratio of 0.5 */ | |
318 | dummy_condition = lttng_condition_buffer_usage_low_create(); | |
319 | if (!dummy_condition) { | |
320 | fail("Setup error on dummy_condition creation"); | |
321 | goto end; | |
322 | ||
323 | } | |
324 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
325 | dummy_condition, 0.5); | |
326 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
327 | fail("Setup error on condition creation"); | |
328 | goto end; | |
329 | } | |
330 | ||
331 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
332 | dummy_condition, session_name); | |
333 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
334 | fail("Setup error on dummy_condition creation"); | |
335 | goto end; | |
336 | } | |
337 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
338 | dummy_condition, channel_name); | |
339 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
340 | fail("Setup error on dummy_condition creation"); | |
341 | goto end; | |
342 | } | |
343 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
344 | dummy_condition, domain_type); | |
345 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
346 | fail("Setup error on dummy_condition creation"); | |
347 | goto end; | |
348 | } | |
349 | ||
350 | /* Register a low condition with a ratio */ | |
351 | low_condition = lttng_condition_buffer_usage_low_create(); | |
352 | if (!low_condition) { | |
353 | fail("Setup error on low_condition creation"); | |
354 | goto end; | |
355 | } | |
356 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
357 | low_condition, low_ratio); | |
358 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
359 | fail("Setup error on low_condition creation"); | |
360 | goto end; | |
361 | } | |
362 | ||
363 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
364 | low_condition, session_name); | |
365 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
366 | fail("Setup error on low_condition creation"); | |
367 | goto end; | |
368 | } | |
369 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
370 | low_condition, channel_name); | |
371 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
372 | fail("Setup error on low_condition creation"); | |
373 | goto end; | |
374 | } | |
375 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
376 | low_condition, domain_type); | |
377 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
378 | fail("Setup error on low_condition creation"); | |
379 | goto end; | |
380 | ||
381 | } | |
382 | ||
383 | /* Register a high condition with a ratio */ | |
384 | high_condition = lttng_condition_buffer_usage_high_create(); | |
385 | if (!high_condition) { | |
386 | fail("Setup error on high_condition creation"); | |
387 | goto end; | |
388 | } | |
389 | ||
390 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
391 | high_condition, high_ratio); | |
392 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
393 | fail("Setup error on high_condition creation"); | |
394 | goto end; | |
395 | } | |
396 | ||
397 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
398 | high_condition, session_name); | |
399 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
400 | fail("Setup error on high_condition creation"); | |
401 | goto end; | |
402 | } | |
403 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
404 | high_condition, channel_name); | |
405 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
406 | fail("Setup error on high_condition creation"); | |
407 | goto end; | |
408 | } | |
409 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
410 | high_condition, domain_type); | |
411 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
412 | fail("Setup error on high_condition creation"); | |
413 | goto end; | |
414 | } | |
415 | ||
416 | /* Register the triggers for low and high condition */ | |
417 | trigger = lttng_trigger_create(low_condition, action); | |
418 | if (!trigger) { | |
419 | fail("Setup error on low trigger creation"); | |
420 | goto end; | |
421 | } | |
422 | ||
423 | ret = lttng_register_trigger(trigger); | |
424 | if (ret) { | |
425 | fail("Setup error on low trigger registration"); | |
426 | goto end; | |
427 | } | |
428 | ||
429 | lttng_trigger_destroy(trigger); | |
430 | trigger = NULL; | |
431 | ||
432 | trigger = lttng_trigger_create(high_condition, action); | |
433 | if (!trigger) { | |
434 | fail("Setup error on high trigger creation"); | |
435 | goto end; | |
436 | } | |
437 | ||
438 | ret = lttng_register_trigger(trigger); | |
439 | if (ret) { | |
440 | fail("Setup error on high trigger registration"); | |
441 | goto end; | |
442 | } | |
443 | ||
444 | /* Begin testing */ | |
445 | notification_channel = lttng_notification_channel_create(lttng_session_daemon_notification_endpoint); | |
446 | ok(notification_channel, "Notification channel object creation"); | |
447 | if (!notification_channel) { | |
448 | goto end; | |
449 | } | |
450 | ||
451 | /* Basic error path check */ | |
452 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); | |
453 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NULL"); | |
454 | ||
455 | nc_status = lttng_notification_channel_subscribe(notification_channel, NULL); | |
456 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NON-NULL, NULL"); | |
457 | ||
458 | nc_status = lttng_notification_channel_subscribe(NULL, low_condition); | |
459 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NON-NULL"); | |
460 | ||
461 | nc_status = lttng_notification_channel_subscribe(notification_channel, dummy_invalid_condition); | |
462 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Subscribing to an invalid condition"); | |
463 | ||
464 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_invalid_condition); | |
465 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Unsubscribing to an invalid condition"); | |
466 | ||
467 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_condition); | |
468 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, "Unsubscribing to an valid unknown condition"); | |
469 | ||
470 | /* Subscribe a valid low condition */ | |
471 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
472 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
473 | ||
474 | /* Subscribe a valid high condition */ | |
475 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
476 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
477 | ||
478 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
479 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
480 | ||
481 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
482 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
483 | ||
484 | /* Wait for notification to happen */ | |
485 | lttng_start_tracing(session_name); | |
486 | stop_consumer(argv); | |
487 | ||
488 | /* Wait for high notification */ | |
489 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
490 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
491 | && notification | |
492 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
493 | "High notification received after intermediary communication"); | |
494 | lttng_notification_destroy(notification); | |
495 | notification = NULL; | |
496 | ||
497 | resume_consumer(argv); | |
498 | lttng_stop_tracing(session_name); | |
499 | ||
500 | /* | |
501 | * Test that communication still work even if there is notification | |
502 | * waiting for consumption. | |
503 | */ | |
504 | ||
505 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
506 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe with pending notification"); | |
507 | ||
508 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
509 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "subscribe with pending notification"); | |
510 | ||
511 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
512 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
513 | && notification | |
514 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
515 | "Low notification received after intermediary communication"); | |
516 | lttng_notification_destroy(notification); | |
517 | notification = NULL; | |
518 | ||
519 | /* Stop consumer to force a high notification */ | |
520 | lttng_start_tracing(session_name); | |
521 | stop_consumer(argv); | |
522 | ||
523 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
524 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
525 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
526 | "High notification received after intermediary communication"); | |
527 | lttng_notification_destroy(notification); | |
528 | notification = NULL; | |
529 | ||
530 | /* Resume consumer to allow event consumption */ | |
531 | resume_consumer(argv); | |
532 | lttng_stop_tracing(session_name); | |
533 | ||
534 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
535 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
536 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
537 | "Low notification received after re-subscription"); | |
538 | lttng_notification_destroy(notification); | |
539 | notification = NULL; | |
540 | ||
541 | /* Stop consumer to force a high notification */ | |
542 | lttng_start_tracing(session_name); | |
543 | stop_consumer(argv); | |
544 | ||
545 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
546 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
547 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
548 | "High notification"); | |
549 | lttng_notification_destroy(notification); | |
550 | notification = NULL; | |
551 | ||
552 | /* Resume consumer to allow event consumption */ | |
553 | resume_consumer(argv); | |
554 | lttng_stop_tracing(session_name); | |
555 | ||
556 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
557 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe low condition with pending notification"); | |
558 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, high_condition); | |
559 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe high condition with pending notification"); | |
560 | ||
561 | end: | |
562 | lttng_notification_channel_destroy(notification_channel); | |
563 | lttng_trigger_destroy(trigger); | |
564 | lttng_action_destroy(action); | |
565 | lttng_condition_destroy(low_condition); | |
566 | lttng_condition_destroy(dummy_invalid_condition); | |
567 | lttng_condition_destroy(dummy_condition); | |
568 | } | |
569 | ||
570 | int main(int argc, const char *argv[]) | |
571 | { | |
572 | const char *session_name = NULL; | |
573 | const char *channel_name = NULL; | |
574 | const char *domain_type_string = NULL; | |
575 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; | |
576 | ||
577 | plan_tests(NUM_TESTS); | |
578 | ||
579 | /* Argument 4 and upward are named pipe location for consumerd control */ | |
580 | named_pipe_args_start = 4; | |
581 | ||
582 | if (argc < 5) { | |
583 | fail("Missing parameter for tests to run %d", argc); | |
584 | goto error; | |
585 | } | |
586 | ||
587 | nb_args = argc; | |
588 | ||
589 | session_name = argv[1]; | |
590 | channel_name = argv[2]; | |
591 | domain_type_string= argv[3]; | |
592 | ||
593 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { | |
594 | domain_type = LTTNG_DOMAIN_UST; | |
595 | } | |
596 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { | |
597 | domain_type = LTTNG_DOMAIN_KERNEL; | |
598 | } | |
599 | if (domain_type == LTTNG_DOMAIN_NONE) { | |
600 | fail("Unknown domain type"); | |
601 | goto error; | |
602 | } | |
603 | ||
604 | diag("Test trigger for domain %s with buffer_usage_low condition", domain_type_string); | |
605 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); | |
606 | diag("Test trigger for domain %s with buffer_usage_high condition", domain_type_string); | |
607 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); | |
608 | ||
609 | diag("Test notification channel api for domain %s", domain_type_string); | |
610 | test_notification_channel(session_name, channel_name, domain_type, argv); | |
611 | error: | |
612 | return exit_status(); | |
613 | } | |
614 |