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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"); | |
ce8b38e4 JR |
71 | if (close(fd)) { |
72 | perror("Named pipe close failed"); | |
73 | } | |
dc890bff JR |
74 | ret = -1; |
75 | goto end; | |
76 | } | |
77 | ||
78 | ret = close(fd); | |
79 | if (ret < 0) { | |
80 | perror("Name pipe closing failed"); | |
81 | ret = -1; | |
82 | goto end; | |
83 | } | |
84 | end: | |
85 | return ret; | |
86 | } | |
87 | ||
88 | int stop_consumer(const char **argv) | |
89 | { | |
90 | int ret = 0; | |
91 | for (int i = named_pipe_args_start; i < nb_args; i++) { | |
92 | ret = write_pipe(argv[i], 49); | |
93 | } | |
94 | return ret; | |
95 | } | |
96 | ||
97 | int resume_consumer(const char **argv) | |
98 | { | |
99 | int ret = 0; | |
100 | for (int i = named_pipe_args_start; i < nb_args; i++) { | |
101 | ret = write_pipe(argv[i], 0); | |
102 | } | |
103 | return ret; | |
104 | } | |
105 | ||
106 | void test_triggers_buffer_usage_condition(const char *session_name, | |
107 | const char *channel_name, | |
108 | enum lttng_domain_type domain_type, | |
109 | enum lttng_condition_type condition_type) | |
110 | { | |
111 | enum lttng_condition_status condition_status; | |
112 | struct lttng_action *action; | |
113 | ||
114 | /* Set-up */ | |
115 | action = lttng_action_notify_create(); | |
116 | if (!action) { | |
117 | fail("Setup error on action creation"); | |
118 | goto end; | |
119 | } | |
120 | ||
121 | /* Test lttng_register_trigger with null value */ | |
122 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); | |
123 | ||
124 | /* Test: register a trigger */ | |
125 | unsigned int test_vector_size = 5; | |
126 | for (unsigned int i = 0; i < pow(2,test_vector_size); i++) { | |
127 | int loop_ret = 0; | |
128 | char *test_tuple_string = NULL; | |
129 | unsigned int mask_position = 0; | |
130 | bool session_name_set = false; | |
131 | bool channel_name_set = false; | |
132 | bool threshold_ratio_set = false; | |
133 | bool threshold_byte_set = false; | |
134 | bool domain_type_set = false; | |
135 | ||
136 | struct lttng_trigger *trigger = NULL; | |
137 | struct lttng_condition *condition = NULL; | |
138 | ||
139 | /* Create base condition */ | |
140 | switch (condition_type) { | |
141 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
142 | condition = lttng_condition_buffer_usage_low_create(); | |
143 | break; | |
144 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
145 | condition = lttng_condition_buffer_usage_high_create(); | |
146 | break; | |
147 | default: | |
148 | loop_ret = 1; | |
149 | goto loop_end; | |
150 | } | |
151 | ||
152 | if (!condition) { | |
153 | loop_ret = 1; | |
154 | goto loop_end; | |
155 | ||
156 | } | |
157 | ||
158 | /* Prepare the condition for trigger registration test */ | |
159 | ||
160 | /* Set session name */ | |
161 | if ((1 << mask_position) & i) { | |
162 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
163 | condition, session_name); | |
164 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
165 | loop_ret = 1; | |
166 | goto loop_end; | |
167 | } | |
168 | session_name_set = true; | |
169 | } | |
170 | mask_position++; | |
171 | ||
172 | /* Set channel name */ | |
173 | if ((1 << mask_position) & i) { | |
174 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
175 | condition, channel_name); | |
176 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
177 | loop_ret = 1; | |
178 | goto loop_end; | |
179 | } | |
180 | channel_name_set = true; | |
181 | } | |
182 | mask_position++; | |
183 | ||
184 | /* Set threshold ratio */ | |
185 | if ((1 << mask_position) & i) { | |
186 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
187 | condition, 0.0); | |
188 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
189 | loop_ret = 1; | |
190 | goto loop_end; | |
191 | } | |
192 | threshold_ratio_set = true; | |
193 | } | |
194 | mask_position++; | |
195 | ||
196 | /* Set threshold byte */ | |
197 | if ((1 << mask_position) & i) { | |
198 | condition_status = lttng_condition_buffer_usage_set_threshold( | |
199 | condition, 0); | |
200 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
201 | loop_ret = 1; | |
202 | goto loop_end; | |
203 | } | |
204 | threshold_byte_set = true; | |
205 | } | |
206 | mask_position++; | |
207 | ||
208 | /* Set domain type */ | |
209 | if ((1 << mask_position) & i) { | |
210 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
211 | condition, LTTNG_DOMAIN_UST); | |
212 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
213 | loop_ret = 1; | |
214 | goto loop_end; | |
215 | } | |
216 | domain_type_set = true; | |
217 | } | |
218 | ||
219 | /* Safety check */ | |
220 | if (mask_position != test_vector_size -1) { | |
221 | assert("Logic error for test vector generation"); | |
222 | } | |
223 | ||
224 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", | |
225 | session_name_set ? "set" : "unset", | |
226 | channel_name_set ? "set" : "unset", | |
227 | threshold_ratio_set ? "set" : "unset", | |
228 | threshold_byte_set ? "set" : "unset", | |
229 | domain_type_set? "set" : "unset"); | |
230 | if (!test_tuple_string || loop_ret < 0) { | |
231 | loop_ret = 1; | |
232 | goto loop_end; | |
233 | } | |
234 | ||
235 | /* Create trigger */ | |
236 | trigger = lttng_trigger_create(condition, action); | |
237 | if (!trigger) { | |
238 | loop_ret = 1; | |
239 | goto loop_end; | |
240 | } | |
241 | ||
242 | loop_ret = lttng_register_trigger(trigger); | |
243 | ||
244 | loop_end: | |
245 | if (loop_ret == 1) { | |
246 | fail("Setup error occurred for tuple: %s", test_tuple_string); | |
247 | goto loop_cleanup; | |
248 | } | |
249 | ||
250 | /* This combination happens three times */ | |
251 | if (session_name_set && channel_name_set | |
252 | && (threshold_ratio_set || threshold_byte_set) | |
253 | && domain_type_set) { | |
254 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); | |
255 | ||
256 | /* | |
257 | * Test that a trigger cannot be registered | |
258 | * multiple time. | |
259 | */ | |
260 | loop_ret = lttng_register_trigger(trigger); | |
261 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); | |
262 | ||
263 | /* Test that a trigger can be unregistered */ | |
264 | loop_ret = lttng_unregister_trigger(trigger); | |
265 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); | |
266 | ||
267 | /* | |
268 | * Test that unregistration of a non-previously | |
269 | * registered trigger fail. | |
270 | */ | |
271 | loop_ret = lttng_unregister_trigger(trigger); | |
272 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registerd trigger fails as expected: %s", test_tuple_string); | |
273 | } else { | |
274 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); | |
275 | } | |
276 | ||
277 | loop_cleanup: | |
278 | free(test_tuple_string); | |
279 | lttng_trigger_destroy(trigger); | |
280 | lttng_condition_destroy(condition); | |
281 | } | |
282 | ||
283 | end: | |
284 | lttng_action_destroy(action); | |
285 | } | |
286 | ||
287 | void test_notification_channel(const char *session_name, const char *channel_name, enum lttng_domain_type domain_type, const char **argv) | |
288 | { | |
289 | int ret = 0; | |
290 | enum lttng_condition_status condition_status; | |
291 | enum lttng_notification_channel_status nc_status; | |
292 | ||
293 | struct lttng_action *action = NULL; | |
294 | struct lttng_notification *notification = NULL; | |
295 | struct lttng_notification_channel *notification_channel = NULL; | |
296 | struct lttng_trigger *trigger = NULL; | |
297 | ||
298 | struct lttng_condition *low_condition = NULL; | |
299 | struct lttng_condition *high_condition = NULL; | |
300 | struct lttng_condition *dummy_invalid_condition = NULL; | |
301 | struct lttng_condition *dummy_condition = NULL; | |
302 | ||
303 | double low_ratio = 0.0; | |
304 | double high_ratio = 0.99; | |
305 | ||
306 | /* Set-up */ | |
307 | action = lttng_action_notify_create(); | |
308 | if (!action) { | |
309 | fail("Setup error on action creation"); | |
310 | goto end; | |
311 | } | |
312 | ||
313 | /* Create a dummy, empty condition for later test */ | |
314 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); | |
315 | if (!dummy_invalid_condition) { | |
316 | fail("Setup error on condition creation"); | |
317 | goto end; | |
318 | } | |
319 | ||
320 | /* Create a valid dummy condition with a ratio of 0.5 */ | |
321 | dummy_condition = lttng_condition_buffer_usage_low_create(); | |
322 | if (!dummy_condition) { | |
323 | fail("Setup error on dummy_condition creation"); | |
324 | goto end; | |
325 | ||
326 | } | |
327 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
328 | dummy_condition, 0.5); | |
329 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
330 | fail("Setup error on condition creation"); | |
331 | goto end; | |
332 | } | |
333 | ||
334 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
335 | dummy_condition, session_name); | |
336 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
337 | fail("Setup error on dummy_condition creation"); | |
338 | goto end; | |
339 | } | |
340 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
341 | dummy_condition, channel_name); | |
342 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
343 | fail("Setup error on dummy_condition creation"); | |
344 | goto end; | |
345 | } | |
346 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
347 | dummy_condition, domain_type); | |
348 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
349 | fail("Setup error on dummy_condition creation"); | |
350 | goto end; | |
351 | } | |
352 | ||
353 | /* Register a low condition with a ratio */ | |
354 | low_condition = lttng_condition_buffer_usage_low_create(); | |
355 | if (!low_condition) { | |
356 | fail("Setup error on low_condition creation"); | |
357 | goto end; | |
358 | } | |
359 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
360 | low_condition, low_ratio); | |
361 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
362 | fail("Setup error on low_condition creation"); | |
363 | goto end; | |
364 | } | |
365 | ||
366 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
367 | low_condition, session_name); | |
368 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
369 | fail("Setup error on low_condition creation"); | |
370 | goto end; | |
371 | } | |
372 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
373 | low_condition, channel_name); | |
374 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
375 | fail("Setup error on low_condition creation"); | |
376 | goto end; | |
377 | } | |
378 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
379 | low_condition, domain_type); | |
380 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
381 | fail("Setup error on low_condition creation"); | |
382 | goto end; | |
383 | ||
384 | } | |
385 | ||
386 | /* Register a high condition with a ratio */ | |
387 | high_condition = lttng_condition_buffer_usage_high_create(); | |
388 | if (!high_condition) { | |
389 | fail("Setup error on high_condition creation"); | |
390 | goto end; | |
391 | } | |
392 | ||
393 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
394 | high_condition, high_ratio); | |
395 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
396 | fail("Setup error on high_condition creation"); | |
397 | goto end; | |
398 | } | |
399 | ||
400 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
401 | high_condition, session_name); | |
402 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
403 | fail("Setup error on high_condition creation"); | |
404 | goto end; | |
405 | } | |
406 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
407 | high_condition, channel_name); | |
408 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
409 | fail("Setup error on high_condition creation"); | |
410 | goto end; | |
411 | } | |
412 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
413 | high_condition, domain_type); | |
414 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
415 | fail("Setup error on high_condition creation"); | |
416 | goto end; | |
417 | } | |
418 | ||
419 | /* Register the triggers for low and high condition */ | |
420 | trigger = lttng_trigger_create(low_condition, action); | |
421 | if (!trigger) { | |
422 | fail("Setup error on low trigger creation"); | |
423 | goto end; | |
424 | } | |
425 | ||
426 | ret = lttng_register_trigger(trigger); | |
427 | if (ret) { | |
428 | fail("Setup error on low trigger registration"); | |
429 | goto end; | |
430 | } | |
431 | ||
432 | lttng_trigger_destroy(trigger); | |
433 | trigger = NULL; | |
434 | ||
435 | trigger = lttng_trigger_create(high_condition, action); | |
436 | if (!trigger) { | |
437 | fail("Setup error on high trigger creation"); | |
438 | goto end; | |
439 | } | |
440 | ||
441 | ret = lttng_register_trigger(trigger); | |
442 | if (ret) { | |
443 | fail("Setup error on high trigger registration"); | |
444 | goto end; | |
445 | } | |
446 | ||
447 | /* Begin testing */ | |
448 | notification_channel = lttng_notification_channel_create(lttng_session_daemon_notification_endpoint); | |
449 | ok(notification_channel, "Notification channel object creation"); | |
450 | if (!notification_channel) { | |
451 | goto end; | |
452 | } | |
453 | ||
454 | /* Basic error path check */ | |
455 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); | |
456 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NULL"); | |
457 | ||
458 | nc_status = lttng_notification_channel_subscribe(notification_channel, NULL); | |
459 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NON-NULL, NULL"); | |
460 | ||
461 | nc_status = lttng_notification_channel_subscribe(NULL, low_condition); | |
462 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NON-NULL"); | |
463 | ||
464 | nc_status = lttng_notification_channel_subscribe(notification_channel, dummy_invalid_condition); | |
465 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Subscribing to an invalid condition"); | |
466 | ||
467 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_invalid_condition); | |
468 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Unsubscribing to an invalid condition"); | |
469 | ||
470 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_condition); | |
471 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, "Unsubscribing to an valid unknown condition"); | |
472 | ||
473 | /* Subscribe a valid low condition */ | |
474 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
475 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
476 | ||
477 | /* Subscribe a valid high condition */ | |
478 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
479 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
480 | ||
481 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
482 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
483 | ||
484 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
485 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
486 | ||
487 | /* Wait for notification to happen */ | |
488 | lttng_start_tracing(session_name); | |
489 | stop_consumer(argv); | |
490 | ||
491 | /* Wait for high notification */ | |
492 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
493 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
494 | && notification | |
495 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
496 | "High notification received after intermediary communication"); | |
497 | lttng_notification_destroy(notification); | |
498 | notification = NULL; | |
499 | ||
500 | resume_consumer(argv); | |
501 | lttng_stop_tracing(session_name); | |
502 | ||
503 | /* | |
504 | * Test that communication still work even if there is notification | |
505 | * waiting for consumption. | |
506 | */ | |
507 | ||
508 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
509 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe with pending notification"); | |
510 | ||
511 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
512 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "subscribe with pending notification"); | |
513 | ||
514 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
515 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
516 | && notification | |
517 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
518 | "Low notification received after intermediary communication"); | |
519 | lttng_notification_destroy(notification); | |
520 | notification = NULL; | |
521 | ||
522 | /* Stop consumer to force a high notification */ | |
523 | lttng_start_tracing(session_name); | |
524 | stop_consumer(argv); | |
525 | ||
526 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
527 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
528 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
529 | "High notification received after intermediary communication"); | |
530 | lttng_notification_destroy(notification); | |
531 | notification = NULL; | |
532 | ||
533 | /* Resume consumer to allow event consumption */ | |
534 | resume_consumer(argv); | |
535 | lttng_stop_tracing(session_name); | |
536 | ||
537 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
538 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
539 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
540 | "Low notification received after re-subscription"); | |
541 | lttng_notification_destroy(notification); | |
542 | notification = NULL; | |
543 | ||
544 | /* Stop consumer to force a high notification */ | |
545 | lttng_start_tracing(session_name); | |
546 | stop_consumer(argv); | |
547 | ||
548 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
549 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
550 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
551 | "High notification"); | |
552 | lttng_notification_destroy(notification); | |
553 | notification = NULL; | |
554 | ||
555 | /* Resume consumer to allow event consumption */ | |
556 | resume_consumer(argv); | |
557 | lttng_stop_tracing(session_name); | |
558 | ||
559 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
560 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe low condition with pending notification"); | |
561 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, high_condition); | |
562 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe high condition with pending notification"); | |
563 | ||
564 | end: | |
565 | lttng_notification_channel_destroy(notification_channel); | |
566 | lttng_trigger_destroy(trigger); | |
567 | lttng_action_destroy(action); | |
568 | lttng_condition_destroy(low_condition); | |
ce8b38e4 | 569 | lttng_condition_destroy(high_condition); |
dc890bff JR |
570 | lttng_condition_destroy(dummy_invalid_condition); |
571 | lttng_condition_destroy(dummy_condition); | |
572 | } | |
573 | ||
574 | int main(int argc, const char *argv[]) | |
575 | { | |
576 | const char *session_name = NULL; | |
577 | const char *channel_name = NULL; | |
578 | const char *domain_type_string = NULL; | |
579 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; | |
580 | ||
581 | plan_tests(NUM_TESTS); | |
582 | ||
583 | /* Argument 4 and upward are named pipe location for consumerd control */ | |
584 | named_pipe_args_start = 4; | |
585 | ||
586 | if (argc < 5) { | |
587 | fail("Missing parameter for tests to run %d", argc); | |
588 | goto error; | |
589 | } | |
590 | ||
591 | nb_args = argc; | |
592 | ||
593 | session_name = argv[1]; | |
594 | channel_name = argv[2]; | |
595 | domain_type_string= argv[3]; | |
596 | ||
597 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { | |
598 | domain_type = LTTNG_DOMAIN_UST; | |
599 | } | |
600 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { | |
601 | domain_type = LTTNG_DOMAIN_KERNEL; | |
602 | } | |
603 | if (domain_type == LTTNG_DOMAIN_NONE) { | |
604 | fail("Unknown domain type"); | |
605 | goto error; | |
606 | } | |
607 | ||
608 | diag("Test trigger for domain %s with buffer_usage_low condition", domain_type_string); | |
609 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); | |
610 | diag("Test trigger for domain %s with buffer_usage_high condition", domain_type_string); | |
611 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); | |
612 | ||
613 | diag("Test notification channel api for domain %s", domain_type_string); | |
614 | test_notification_channel(session_name, channel_name, domain_type, argv); | |
615 | error: | |
616 | return exit_status(); | |
617 | } | |
618 |