Commit | Line | Data |
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d3e8f6bb DG |
1 | /* |
2 | * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * as published by the Free Software Foundation; only version 2 | |
7 | * of the License. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
d3e8f6bb DG |
19 | #include <assert.h> |
20 | #include <errno.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include <time.h> | |
8273250b | 26 | #include <urcu.h> |
d3e8f6bb | 27 | |
10a8a223 DG |
28 | #include <lttng/lttng.h> |
29 | #include <bin/lttng-sessiond/lttng-ust-abi.h> | |
990570ed | 30 | #include <common/defaults.h> |
10a8a223 | 31 | #include <bin/lttng-sessiond/trace-ust.h> |
7972aab2 | 32 | #include <bin/lttng-sessiond/ust-app.h> |
83b45089 | 33 | #include <bin/lttng-sessiond/notification-thread.h> |
10a8a223 | 34 | |
657270a4 CB |
35 | #include <tap/tap.h> |
36 | ||
d3e8f6bb DG |
37 | /* This path will NEVER be created in this test */ |
38 | #define PATH1 "/tmp/.test-junk-lttng" | |
39 | ||
98612240 MD |
40 | #define RANDOM_STRING_LEN 11 |
41 | ||
657270a4 | 42 | /* Number of TAP tests in this file */ |
1cda50f2 | 43 | #define NUM_TESTS 16 |
657270a4 | 44 | |
ad7c9c18 | 45 | /* For error.h */ |
97e19046 DG |
46 | int lttng_opt_quiet = 1; |
47 | int lttng_opt_verbose; | |
c7e35b03 | 48 | int lttng_opt_mi; |
d3e8f6bb | 49 | |
7972aab2 DG |
50 | int ust_consumerd32_fd; |
51 | int ust_consumerd64_fd; | |
52 | ||
83b45089 | 53 | /* Global variables required by sessiond objects being linked-in */ |
7c1d2758 | 54 | struct lttng_ht *agent_apps_ht_by_sock; |
83b45089 | 55 | struct notification_thread_handle *notification_thread_handle; |
7c1d2758 | 56 | |
d3e8f6bb DG |
57 | static const char alphanum[] = |
58 | "0123456789" | |
59 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
60 | "abcdefghijklmnopqrstuvwxyz"; | |
98612240 | 61 | static char random_string[RANDOM_STRING_LEN]; |
d3e8f6bb DG |
62 | |
63 | static struct ltt_ust_session *usess; | |
64 | static struct lttng_domain dom; | |
65 | ||
5c408ad8 JD |
66 | /* |
67 | * Stub to prevent an undefined reference in this test without having to link | |
68 | * the entire tree because of a cascade of dependencies. This is not used, | |
69 | * it is just there to prevent GCC from complaining. | |
70 | */ | |
71 | int rotate_add_channel_pending(uint64_t key, enum lttng_domain_type domain, | |
72 | struct ltt_session *session) | |
73 | { | |
74 | ERR("Stub called instead of the real function"); | |
75 | abort(); | |
76 | return -1; | |
77 | } | |
78 | ||
d3e8f6bb DG |
79 | /* |
80 | * Return random string of 10 characters. | |
98612240 | 81 | * Not thread-safe. |
d3e8f6bb DG |
82 | */ |
83 | static char *get_random_string(void) | |
84 | { | |
85 | int i; | |
d3e8f6bb | 86 | |
98612240 MD |
87 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
88 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
d3e8f6bb DG |
89 | } |
90 | ||
98612240 | 91 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
d3e8f6bb | 92 | |
98612240 | 93 | return random_string; |
d3e8f6bb DG |
94 | } |
95 | ||
657270a4 | 96 | static void test_create_one_ust_session(void) |
d3e8f6bb | 97 | { |
d3e8f6bb DG |
98 | dom.type = LTTNG_DOMAIN_UST; |
99 | ||
dec56f6c | 100 | usess = trace_ust_create_session(42); |
657270a4 CB |
101 | ok(usess != NULL, "Create UST session"); |
102 | ||
67b2f51c JR |
103 | if (!usess) { |
104 | skip(1, "UST session is null"); | |
105 | return; | |
106 | } | |
107 | ||
657270a4 | 108 | ok(usess->id == 42 && |
14fb1ebe | 109 | usess->active == 0 && |
657270a4 | 110 | usess->domain_global.channels != NULL && |
657270a4 CB |
111 | usess->uid == 0 && |
112 | usess->gid == 0, | |
113 | "Validate UST session"); | |
d3e8f6bb DG |
114 | |
115 | trace_ust_destroy_session(usess); | |
116 | } | |
117 | ||
657270a4 | 118 | static void test_create_ust_channel(void) |
d3e8f6bb DG |
119 | { |
120 | struct ltt_ust_channel *uchan; | |
121 | struct lttng_channel attr; | |
82b4ebce | 122 | struct lttng_channel_extended extended; |
d3e8f6bb | 123 | |
441c16a7 | 124 | memset(&attr, 0, sizeof(attr)); |
82b4ebce JG |
125 | memset(&extended, 0, sizeof(extended)); |
126 | attr.attr.extended.ptr = &extended; | |
441c16a7 | 127 | |
1b0eb865 MD |
128 | ok(lttng_strncpy(attr.name, "channel0", sizeof(attr.name)) == 0, |
129 | "Validate channel name length"); | |
51755dc8 | 130 | uchan = trace_ust_create_channel(&attr, LTTNG_DOMAIN_UST); |
657270a4 CB |
131 | ok(uchan != NULL, "Create UST channel"); |
132 | ||
67b2f51c JR |
133 | if (!usess) { |
134 | skip(1, "UST session is null"); | |
135 | return; | |
136 | } | |
137 | ||
657270a4 | 138 | ok(uchan->enabled == 0 && |
657270a4 CB |
139 | strncmp(uchan->name, "channel0", 8) == 0 && |
140 | uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0' && | |
141 | uchan->ctx != NULL && | |
142 | uchan->events != NULL && | |
143 | uchan->attr.overwrite == attr.attr.overwrite, | |
144 | "Validate UST channel"); | |
d3e8f6bb DG |
145 | |
146 | trace_ust_destroy_channel(uchan); | |
147 | } | |
148 | ||
657270a4 | 149 | static void test_create_ust_event(void) |
d3e8f6bb DG |
150 | { |
151 | struct ltt_ust_event *event; | |
152 | struct lttng_event ev; | |
39687410 | 153 | enum lttng_error_code ret; |
d3e8f6bb | 154 | |
441c16a7 | 155 | memset(&ev, 0, sizeof(ev)); |
a84aca51 MD |
156 | ok(lttng_strncpy(ev.name, get_random_string(), |
157 | LTTNG_SYMBOL_NAME_LEN) == 0, | |
158 | "Validate string length"); | |
d3e8f6bb | 159 | ev.type = LTTNG_EVENT_TRACEPOINT; |
441c16a7 | 160 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
d3e8f6bb | 161 | |
39687410 | 162 | ret = trace_ust_create_event(&ev, NULL, NULL, NULL, false, &event); |
d3e8f6bb | 163 | |
39687410 | 164 | ok(ret == LTTNG_OK, "Create UST event"); |
657270a4 | 165 | |
67b2f51c JR |
166 | if (!event) { |
167 | skip(1, "UST event is null"); | |
168 | return; | |
169 | } | |
170 | ||
657270a4 CB |
171 | ok(event->enabled == 0 && |
172 | event->attr.instrumentation == LTTNG_UST_TRACEPOINT && | |
173 | strcmp(event->attr.name, ev.name) == 0 && | |
174 | event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0', | |
175 | "Validate UST event"); | |
d3e8f6bb DG |
176 | |
177 | trace_ust_destroy_event(event); | |
178 | } | |
179 | ||
41d7b959 JI |
180 | static void test_create_ust_event_exclusion(void) |
181 | { | |
39687410 | 182 | enum lttng_error_code ret; |
41d7b959 JI |
183 | struct ltt_ust_event *event; |
184 | struct lttng_event ev; | |
185 | char *name; | |
88329be5 | 186 | char *random_name; |
e196f4f4 | 187 | struct lttng_event_exclusion *exclusion = NULL; |
4b6816b6 | 188 | struct lttng_event_exclusion *exclusion_copy = NULL; |
88329be5 | 189 | const int exclusion_count = 2; |
41d7b959 JI |
190 | |
191 | memset(&ev, 0, sizeof(ev)); | |
192 | ||
193 | /* make a wildcarded event name */ | |
194 | name = get_random_string(); | |
195 | name[strlen(name) - 1] = '*'; | |
61a046d9 MD |
196 | ok(lttng_strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN) == 0, |
197 | "Validate string length"); | |
41d7b959 JI |
198 | |
199 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
200 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; | |
201 | ||
202 | /* set up an exclusion set */ | |
88329be5 PP |
203 | exclusion = zmalloc(sizeof(*exclusion) + |
204 | LTTNG_SYMBOL_NAME_LEN * exclusion_count); | |
3111dcc4 | 205 | ok(exclusion != NULL, "Create UST exclusion"); |
c710ece7 | 206 | if (!exclusion) { |
67b2f51c JR |
207 | skip(4, "zmalloc failed"); |
208 | goto end; | |
c710ece7 MD |
209 | } |
210 | ||
88329be5 PP |
211 | exclusion->count = exclusion_count; |
212 | random_name = get_random_string(); | |
213 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), random_name, | |
214 | LTTNG_SYMBOL_NAME_LEN); | |
215 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), random_name, | |
216 | LTTNG_SYMBOL_NAME_LEN); | |
41d7b959 | 217 | |
39687410 | 218 | ret = trace_ust_create_event(&ev, NULL, NULL, exclusion, false, &event); |
3111dcc4 | 219 | exclusion = NULL; |
41d7b959 | 220 | |
39687410 | 221 | ok(ret != LTTNG_OK, "Create UST event with identical exclusion names fails"); |
88329be5 PP |
222 | |
223 | exclusion = zmalloc(sizeof(*exclusion) + | |
224 | LTTNG_SYMBOL_NAME_LEN * exclusion_count); | |
3111dcc4 | 225 | ok(exclusion != NULL, "Create UST exclusion"); |
88329be5 | 226 | if (!exclusion) { |
67b2f51c JR |
227 | skip(2, "zmalloc failed"); |
228 | goto end; | |
88329be5 PP |
229 | } |
230 | ||
4b6816b6 FD |
231 | exclusion_copy = zmalloc(sizeof(*exclusion) + |
232 | LTTNG_SYMBOL_NAME_LEN * exclusion_count); | |
233 | if (!exclusion_copy) { | |
234 | skip(2, "zmalloc failed"); | |
235 | goto end; | |
236 | } | |
237 | ||
238 | /* | |
239 | * We are giving ownership of the exclusion struct to the | |
240 | * trace_ust_create_event() function. Make a copy of the exclusion struct | |
241 | * so we can compare it later. | |
242 | */ | |
243 | ||
88329be5 PP |
244 | exclusion->count = exclusion_count; |
245 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), | |
246 | get_random_string(), LTTNG_SYMBOL_NAME_LEN); | |
247 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), | |
248 | get_random_string(), LTTNG_SYMBOL_NAME_LEN); | |
249 | ||
4b6816b6 FD |
250 | exclusion_copy->count = exclusion_count; |
251 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 0), | |
252 | LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), LTTNG_SYMBOL_NAME_LEN); | |
253 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 1), | |
254 | LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), LTTNG_SYMBOL_NAME_LEN); | |
255 | ||
39687410 | 256 | ret = trace_ust_create_event(&ev, NULL, NULL, exclusion, false, &event); |
e196f4f4 | 257 | exclusion = NULL; |
39687410 | 258 | ok(ret == LTTNG_OK, "Create UST event with different exclusion names"); |
41d7b959 | 259 | |
67b2f51c JR |
260 | if (!event) { |
261 | skip(1, "UST event with exclusion is null"); | |
262 | goto end; | |
263 | } | |
264 | ||
41d7b959 | 265 | ok(event->enabled == 0 && |
881fa57f JG |
266 | event->attr.instrumentation == LTTNG_UST_TRACEPOINT && |
267 | strcmp(event->attr.name, ev.name) == 0 && | |
268 | event->exclusion != NULL && | |
269 | event->exclusion->count == exclusion_count && | |
270 | !memcmp(event->exclusion->names, exclusion_copy->names, | |
271 | LTTNG_SYMBOL_NAME_LEN * exclusion_count) && | |
272 | event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0', | |
273 | "Validate UST event and exclusion"); | |
41d7b959 | 274 | |
41d7b959 | 275 | trace_ust_destroy_event(event); |
67b2f51c | 276 | end: |
e196f4f4 | 277 | free(exclusion); |
4b6816b6 | 278 | free(exclusion_copy); |
67b2f51c | 279 | return; |
41d7b959 JI |
280 | } |
281 | ||
282 | ||
657270a4 | 283 | static void test_create_ust_context(void) |
d3e8f6bb | 284 | { |
e38021f8 | 285 | struct lttng_event_context ectx; |
d3e8f6bb DG |
286 | struct ltt_ust_context *uctx; |
287 | ||
e38021f8 DG |
288 | ectx.ctx = LTTNG_EVENT_CONTEXT_VTID; |
289 | ||
e38021f8 | 290 | uctx = trace_ust_create_context(&ectx); |
657270a4 | 291 | ok(uctx != NULL, "Create UST context"); |
d3e8f6bb | 292 | |
657270a4 CB |
293 | ok((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID, |
294 | "Validate UST context"); | |
f949b23e | 295 | free(uctx); |
d3e8f6bb DG |
296 | } |
297 | ||
298 | int main(int argc, char **argv) | |
299 | { | |
657270a4 | 300 | plan_tests(NUM_TESTS); |
d3e8f6bb | 301 | |
e3bef725 CB |
302 | diag("UST data structures unit test"); |
303 | ||
8273250b JR |
304 | rcu_register_thread(); |
305 | ||
657270a4 | 306 | test_create_one_ust_session(); |
657270a4 CB |
307 | test_create_ust_channel(); |
308 | test_create_ust_event(); | |
309 | test_create_ust_context(); | |
41d7b959 | 310 | test_create_ust_event_exclusion(); |
d3e8f6bb | 311 | |
8273250b JR |
312 | rcu_unregister_thread(); |
313 | ||
657270a4 | 314 | return exit_status(); |
d3e8f6bb | 315 | } |