Commit | Line | Data |
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63371d1e 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 | ||
63371d1e 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> | |
6df2e2c9 | 26 | #include <sys/types.h> |
8273250b | 27 | #include <urcu.h> |
63371d1e | 28 | |
83c55082 CB |
29 | #include <tap/tap.h> |
30 | ||
10a8a223 | 31 | #include <bin/lttng-sessiond/session.h> |
7972aab2 | 32 | #include <bin/lttng-sessiond/ust-app.h> |
5e97de00 JG |
33 | #include <bin/lttng-sessiond/ht-cleanup.h> |
34 | #include <bin/lttng-sessiond/health-sessiond.h> | |
548468b9 | 35 | #include <bin/lttng-sessiond/thread.h> |
10a8a223 | 36 | #include <common/sessiond-comm/sessiond-comm.h> |
f73fabfd | 37 | #include <common/common.h> |
f6a9efaa | 38 | |
63371d1e DG |
39 | #define SESSION1 "test1" |
40 | ||
63371d1e | 41 | #define MAX_SESSIONS 10000 |
98612240 | 42 | #define RANDOM_STRING_LEN 11 |
63371d1e | 43 | |
83c55082 | 44 | /* Number of TAP tests in this file */ |
dec56f6c | 45 | #define NUM_TESTS 11 |
63371d1e DG |
46 | |
47 | static struct ltt_session_list *session_list; | |
48 | ||
ad7c9c18 | 49 | /* For error.h */ |
97e19046 DG |
50 | int lttng_opt_quiet = 1; |
51 | int lttng_opt_verbose = 0; | |
c7e35b03 | 52 | int lttng_opt_mi; |
63371d1e DG |
53 | |
54 | static const char alphanum[] = | |
55 | "0123456789" | |
56 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
57 | "abcdefghijklmnopqrstuvwxyz"; | |
98612240 | 58 | static char random_string[RANDOM_STRING_LEN]; |
63371d1e DG |
59 | |
60 | /* | |
61 | * Return random string of 10 characters. | |
98612240 | 62 | * Not thread-safe. |
63371d1e DG |
63 | */ |
64 | static char *get_random_string(void) | |
65 | { | |
66 | int i; | |
63371d1e | 67 | |
98612240 MD |
68 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
69 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
63371d1e DG |
70 | } |
71 | ||
98612240 | 72 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
63371d1e | 73 | |
98612240 | 74 | return random_string; |
63371d1e DG |
75 | } |
76 | ||
77 | /* | |
78 | * Return 0 if session name is found, else -1 | |
79 | */ | |
80 | static int find_session_name(char *name) | |
81 | { | |
82 | struct ltt_session *iter; | |
83 | ||
84 | cds_list_for_each_entry(iter, &session_list->head, list) { | |
85 | if (strcmp(iter->name, name) == 0) { | |
86 | return 0; | |
87 | } | |
88 | } | |
89 | ||
90 | return -1; | |
91 | } | |
92 | ||
cc305a0b MD |
93 | static int session_list_count(void) |
94 | { | |
95 | int count = 0; | |
96 | struct ltt_session *iter; | |
97 | ||
98 | cds_list_for_each_entry(iter, &session_list->head, list) { | |
99 | count++; | |
100 | } | |
101 | return count; | |
102 | } | |
103 | ||
63371d1e DG |
104 | /* |
105 | * Empty session list manually. | |
106 | */ | |
107 | static void empty_session_list(void) | |
108 | { | |
109 | struct ltt_session *iter, *tmp; | |
110 | ||
48a86f68 | 111 | session_lock_list(); |
63371d1e | 112 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { |
23324029 | 113 | session_destroy(iter); |
63371d1e | 114 | } |
48a86f68 | 115 | session_unlock_list(); |
63371d1e DG |
116 | |
117 | /* Session list must be 0 */ | |
cc305a0b | 118 | assert(!session_list_count()); |
63371d1e DG |
119 | } |
120 | ||
121 | /* | |
122 | * Test creation of 1 session | |
123 | */ | |
dec56f6c | 124 | static int create_one_session(char *name) |
63371d1e DG |
125 | { |
126 | int ret; | |
5feee503 JG |
127 | enum lttng_error_code ret_code; |
128 | struct ltt_session *session = NULL; | |
63371d1e | 129 | |
5feee503 | 130 | session_lock_list(); |
f678a0fb | 131 | ret_code = session_create(name, geteuid(), getegid(), &session); |
5feee503 JG |
132 | session_put(session); |
133 | if (ret_code == LTTNG_OK) { | |
63371d1e DG |
134 | /* Validate */ |
135 | ret = find_session_name(name); | |
136 | if (ret < 0) { | |
137 | /* Session not found by name */ | |
138 | printf("session not found after creation\n"); | |
5feee503 | 139 | ret = -1; |
63371d1e DG |
140 | } else { |
141 | /* Success */ | |
5feee503 | 142 | ret = 0; |
63371d1e | 143 | } |
54d01ffb | 144 | } else { |
5feee503 | 145 | if (ret_code == LTTNG_ERR_EXIST_SESS) { |
63371d1e DG |
146 | printf("(session already exists) "); |
147 | } | |
5feee503 | 148 | ret = -1; |
63371d1e | 149 | } |
ff6e2727 | 150 | |
5feee503 JG |
151 | session_unlock_list(); |
152 | return ret; | |
63371d1e DG |
153 | } |
154 | ||
155 | /* | |
156 | * Test deletion of 1 session | |
157 | */ | |
271933a4 | 158 | static int destroy_one_session(struct ltt_session *session) |
63371d1e DG |
159 | { |
160 | int ret; | |
59891c42 | 161 | char session_name[NAME_MAX]; |
63371d1e | 162 | |
4cd95b52 | 163 | strncpy(session_name, session->name, sizeof(session_name)); |
59891c42 | 164 | session_name[sizeof(session_name) - 1] = '\0'; |
54d01ffb | 165 | |
48a86f68 JG |
166 | session_destroy(session); |
167 | session_put(session); | |
63371d1e | 168 | |
48a86f68 JG |
169 | ret = find_session_name(session_name); |
170 | if (ret < 0) { | |
171 | /* Success, -1 means that the sesion is NOT found */ | |
172 | ret = 0; | |
173 | } else { | |
174 | /* Fail */ | |
175 | ret = -1; | |
176 | } | |
177 | return ret; | |
63371d1e DG |
178 | } |
179 | ||
63371d1e DG |
180 | /* |
181 | * This test is supposed to fail at the second create call. If so, return 0 for | |
182 | * test success, else -1. | |
183 | */ | |
184 | static int two_session_same_name(void) | |
185 | { | |
186 | int ret; | |
00e2e675 | 187 | struct ltt_session *sess; |
63371d1e | 188 | |
dec56f6c | 189 | ret = create_one_session(SESSION1); |
63371d1e DG |
190 | if (ret < 0) { |
191 | /* Fail */ | |
48a86f68 JG |
192 | ret = -1; |
193 | goto end; | |
63371d1e DG |
194 | } |
195 | ||
48a86f68 | 196 | session_lock_list(); |
00e2e675 DG |
197 | sess = session_find_by_name(SESSION1); |
198 | if (sess) { | |
63371d1e | 199 | /* Success */ |
48a86f68 JG |
200 | session_put(sess); |
201 | session_unlock_list(); | |
202 | ret = 0; | |
203 | goto end_unlock; | |
204 | } else { | |
205 | /* Fail */ | |
206 | ret = -1; | |
207 | goto end_unlock; | |
63371d1e | 208 | } |
48a86f68 JG |
209 | end_unlock: |
210 | session_unlock_list(); | |
211 | end: | |
212 | return ret; | |
63371d1e DG |
213 | } |
214 | ||
83c55082 | 215 | void test_session_list(void) |
63371d1e | 216 | { |
83c55082 CB |
217 | session_list = session_get_list(); |
218 | ok(session_list != NULL, "Session list: not NULL"); | |
219 | } | |
63371d1e | 220 | |
83c55082 CB |
221 | void test_create_one_session(void) |
222 | { | |
dec56f6c | 223 | ok(create_one_session(SESSION1) == 0, |
83c55082 CB |
224 | "Create session: %s", |
225 | SESSION1); | |
226 | } | |
63371d1e | 227 | |
83c55082 CB |
228 | void test_validate_session(void) |
229 | { | |
230 | struct ltt_session *tmp; | |
63371d1e | 231 | |
48a86f68 | 232 | session_lock_list(); |
83c55082 | 233 | tmp = session_find_by_name(SESSION1); |
63371d1e | 234 | |
83c55082 CB |
235 | ok(tmp != NULL, |
236 | "Validating session: session found"); | |
237 | ||
21bba73b JG |
238 | if (tmp) { |
239 | ok(tmp->kernel_session == NULL && | |
240 | strlen(tmp->name), | |
241 | "Validating session: basic sanity check"); | |
242 | } else { | |
243 | skip(1, "Skipping session validation check as session was not found"); | |
244 | goto end; | |
245 | } | |
63371d1e | 246 | |
54d01ffb DG |
247 | session_lock(tmp); |
248 | session_unlock(tmp); | |
48a86f68 | 249 | session_put(tmp); |
21bba73b | 250 | end: |
48a86f68 | 251 | session_unlock_list(); |
83c55082 | 252 | } |
63371d1e | 253 | |
83c55082 CB |
254 | void test_destroy_session(void) |
255 | { | |
256 | struct ltt_session *tmp; | |
63371d1e | 257 | |
48a86f68 | 258 | session_lock_list(); |
83c55082 | 259 | tmp = session_find_by_name(SESSION1); |
63371d1e | 260 | |
83c55082 CB |
261 | ok(tmp != NULL, |
262 | "Destroying session: session found"); | |
63371d1e | 263 | |
ce81af92 JG |
264 | if (tmp) { |
265 | ok(destroy_one_session(tmp) == 0, | |
266 | "Destroying session: %s destroyed", | |
267 | SESSION1); | |
268 | } else { | |
269 | skip(1, "Skipping session destruction as it was not found"); | |
270 | } | |
48a86f68 | 271 | session_unlock_list(); |
83c55082 | 272 | } |
63371d1e | 273 | |
83c55082 CB |
274 | void test_duplicate_session(void) |
275 | { | |
276 | ok(two_session_same_name() == 0, | |
277 | "Duplicate session creation"); | |
278 | } | |
279 | ||
5feee503 | 280 | void test_session_name_generation(void) |
83c55082 | 281 | { |
5feee503 JG |
282 | struct ltt_session *session = NULL; |
283 | enum lttng_error_code ret_code; | |
284 | const char *expected_session_name_prefix = DEFAULT_SESSION_NAME; | |
83c55082 | 285 | |
5feee503 | 286 | session_lock_list(); |
f678a0fb | 287 | ret_code = session_create(NULL, geteuid(), getegid(), &session); |
5feee503 JG |
288 | ok(ret_code == LTTNG_OK, |
289 | "Create session with a NULL name (auto-generate a name)"); | |
290 | if (!session) { | |
291 | skip(1, "Skipping session name generation tests as session_create() failed."); | |
292 | goto end; | |
293 | } | |
294 | diag("Automatically-generated session name: %s", *session->name ? | |
295 | session->name : "ERROR"); | |
296 | ok(*session->name && !strncmp(expected_session_name_prefix, session->name, | |
297 | sizeof(DEFAULT_SESSION_NAME) - 1), | |
298 | "Auto-generated session name starts with %s", | |
299 | DEFAULT_SESSION_NAME); | |
300 | end: | |
301 | session_put(session); | |
302 | session_unlock_list(); | |
83c55082 CB |
303 | } |
304 | ||
305 | void test_large_session_number(void) | |
306 | { | |
307 | int ret, i, failed = 0; | |
308 | struct ltt_session *iter, *tmp; | |
63371d1e | 309 | |
63371d1e | 310 | for (i = 0; i < MAX_SESSIONS; i++) { |
e6dd5671 | 311 | char *tmp_name = get_random_string(); |
dec56f6c | 312 | ret = create_one_session(tmp_name); |
63371d1e | 313 | if (ret < 0) { |
83c55082 CB |
314 | diag("session %d (name: %s) creation failed", i, tmp_name); |
315 | ++failed; | |
db9b8b88 | 316 | } |
63371d1e | 317 | } |
63371d1e | 318 | |
83c55082 CB |
319 | ok(failed == 0, |
320 | "Large sessions number: created %u sessions", | |
321 | MAX_SESSIONS); | |
322 | ||
323 | failed = 0; | |
324 | ||
48a86f68 | 325 | session_lock_list(); |
63371d1e DG |
326 | for (i = 0; i < MAX_SESSIONS; i++) { |
327 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { | |
48a86f68 | 328 | assert(session_get(iter)); |
271933a4 | 329 | ret = destroy_one_session(iter); |
63371d1e | 330 | if (ret < 0) { |
59891c42 | 331 | diag("session %d destroy failed", i); |
83c55082 | 332 | ++failed; |
63371d1e DG |
333 | } |
334 | } | |
335 | } | |
48a86f68 | 336 | session_unlock_list(); |
63371d1e | 337 | |
83c55082 CB |
338 | ok(failed == 0 && session_list_count() == 0, |
339 | "Large sessions number: destroyed %u sessions", | |
340 | MAX_SESSIONS); | |
341 | } | |
63371d1e | 342 | |
83c55082 CB |
343 | int main(int argc, char **argv) |
344 | { | |
548468b9 JG |
345 | struct lttng_thread *ht_cleanup_thread; |
346 | ||
83c55082 CB |
347 | plan_tests(NUM_TESTS); |
348 | ||
5e97de00 | 349 | health_sessiond = health_app_create(NR_HEALTH_SESSIOND_TYPES); |
548468b9 JG |
350 | ht_cleanup_thread = launch_ht_cleanup_thread(); |
351 | assert(ht_cleanup_thread); | |
352 | lttng_thread_put(ht_cleanup_thread); | |
5e97de00 | 353 | |
e3bef725 CB |
354 | diag("Sessions unit tests"); |
355 | ||
8273250b JR |
356 | rcu_register_thread(); |
357 | ||
83c55082 CB |
358 | test_session_list(); |
359 | ||
360 | test_create_one_session(); | |
361 | ||
362 | test_validate_session(); | |
363 | ||
364 | test_destroy_session(); | |
365 | ||
366 | test_duplicate_session(); | |
367 | ||
368 | empty_session_list(); | |
369 | ||
5feee503 | 370 | test_session_name_generation(); |
83c55082 CB |
371 | |
372 | test_large_session_number(); | |
373 | ||
8273250b | 374 | rcu_unregister_thread(); |
548468b9 | 375 | lttng_thread_list_shutdown_orphans(); |
5e97de00 | 376 | |
83c55082 | 377 | return exit_status(); |
63371d1e | 378 | } |