Commit | Line | Data |
---|---|---|
63371d1e | 1 | /* |
21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
63371d1e | 3 | * |
9d16b343 | 4 | * SPDX-License-Identifier: GPL-2.0-only |
63371d1e | 5 | * |
63371d1e DG |
6 | */ |
7 | ||
63371d1e DG |
8 | #include <stdio.h> |
9 | #include <stdlib.h> | |
10 | #include <string.h> | |
6df2e2c9 | 11 | #include <sys/types.h> |
c9e313bc SM |
12 | #include <time.h> |
13 | #include <unistd.h> | |
8273250b | 14 | #include <urcu.h> |
63371d1e | 15 | |
c9e313bc SM |
16 | #include <bin/lttng-sessiond/health-sessiond.hpp> |
17 | #include <bin/lttng-sessiond/session.hpp> | |
18 | #include <bin/lttng-sessiond/thread.hpp> | |
19 | #include <bin/lttng-sessiond/ust-app.hpp> | |
20 | #include <common/common.hpp> | |
21 | #include <common/compat/errno.hpp> | |
2b6001b5 | 22 | #include <common/make-unique.hpp> |
c9e313bc | 23 | #include <common/sessiond-comm/sessiond-comm.hpp> |
f6a9efaa | 24 | |
a034592c JG |
25 | #include <tap/tap.h> |
26 | ||
63371d1e DG |
27 | #define SESSION1 "test1" |
28 | ||
63371d1e | 29 | #define MAX_SESSIONS 10000 |
98612240 | 30 | #define RANDOM_STRING_LEN 11 |
63371d1e | 31 | |
83c55082 | 32 | /* Number of TAP tests in this file */ |
dec56f6c | 33 | #define NUM_TESTS 11 |
63371d1e DG |
34 | |
35 | static struct ltt_session_list *session_list; | |
36 | ||
63371d1e DG |
37 | static const char alphanum[] = |
38 | "0123456789" | |
39 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
40 | "abcdefghijklmnopqrstuvwxyz"; | |
98612240 | 41 | static char random_string[RANDOM_STRING_LEN]; |
63371d1e DG |
42 | |
43 | /* | |
44 | * Return random string of 10 characters. | |
98612240 | 45 | * Not thread-safe. |
63371d1e DG |
46 | */ |
47 | static char *get_random_string(void) | |
48 | { | |
49 | int i; | |
63371d1e | 50 | |
98612240 MD |
51 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
52 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
63371d1e DG |
53 | } |
54 | ||
98612240 | 55 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
63371d1e | 56 | |
98612240 | 57 | return random_string; |
63371d1e DG |
58 | } |
59 | ||
60 | /* | |
61 | * Return 0 if session name is found, else -1 | |
62 | */ | |
b53d4e59 | 63 | static int find_session_name(const char *name) |
63371d1e DG |
64 | { |
65 | struct ltt_session *iter; | |
66 | ||
67 | cds_list_for_each_entry(iter, &session_list->head, list) { | |
68 | if (strcmp(iter->name, name) == 0) { | |
69 | return 0; | |
70 | } | |
71 | } | |
72 | ||
73 | return -1; | |
74 | } | |
75 | ||
cc305a0b MD |
76 | static int session_list_count(void) |
77 | { | |
78 | int count = 0; | |
79 | struct ltt_session *iter; | |
80 | ||
81 | cds_list_for_each_entry(iter, &session_list->head, list) { | |
82 | count++; | |
83 | } | |
84 | return count; | |
85 | } | |
86 | ||
63371d1e DG |
87 | /* |
88 | * Empty session list manually. | |
89 | */ | |
90 | static void empty_session_list(void) | |
91 | { | |
92 | struct ltt_session *iter, *tmp; | |
93 | ||
e32d7f27 | 94 | session_lock_list(); |
63371d1e | 95 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { |
23324029 | 96 | session_destroy(iter); |
63371d1e | 97 | } |
e32d7f27 | 98 | session_unlock_list(); |
63371d1e DG |
99 | |
100 | /* Session list must be 0 */ | |
a0377dfe | 101 | LTTNG_ASSERT(!session_list_count()); |
63371d1e DG |
102 | } |
103 | ||
104 | /* | |
105 | * Test creation of 1 session | |
106 | */ | |
b53d4e59 | 107 | static int create_one_session(const char *name) |
63371d1e DG |
108 | { |
109 | int ret; | |
b178f53e JG |
110 | enum lttng_error_code ret_code; |
111 | struct ltt_session *session = NULL; | |
2b6001b5 JR |
112 | lttng::trace_format_descriptor::uptr trace_format_descriptor = |
113 | lttng::make_unique<lttng::trace_format_descriptor_ctf1>(); | |
63371d1e | 114 | |
b178f53e | 115 | session_lock_list(); |
2b6001b5 | 116 | ret_code = session_create(name, geteuid(), getegid(), trace_format_descriptor, &session); |
b178f53e JG |
117 | session_put(session); |
118 | if (ret_code == LTTNG_OK) { | |
63371d1e DG |
119 | /* Validate */ |
120 | ret = find_session_name(name); | |
121 | if (ret < 0) { | |
122 | /* Session not found by name */ | |
123 | printf("session not found after creation\n"); | |
b178f53e | 124 | ret = -1; |
63371d1e DG |
125 | } else { |
126 | /* Success */ | |
b178f53e | 127 | ret = 0; |
63371d1e | 128 | } |
54d01ffb | 129 | } else { |
b178f53e | 130 | if (ret_code == LTTNG_ERR_EXIST_SESS) { |
63371d1e DG |
131 | printf("(session already exists) "); |
132 | } | |
b178f53e | 133 | ret = -1; |
63371d1e | 134 | } |
3517bb68 | 135 | |
b178f53e JG |
136 | session_unlock_list(); |
137 | return ret; | |
63371d1e DG |
138 | } |
139 | ||
140 | /* | |
141 | * Test deletion of 1 session | |
142 | */ | |
271933a4 | 143 | static int destroy_one_session(struct ltt_session *session) |
63371d1e DG |
144 | { |
145 | int ret; | |
59891c42 | 146 | char session_name[NAME_MAX]; |
63371d1e | 147 | |
4cd95b52 | 148 | strncpy(session_name, session->name, sizeof(session_name)); |
59891c42 | 149 | session_name[sizeof(session_name) - 1] = '\0'; |
54d01ffb | 150 | |
e32d7f27 JG |
151 | session_destroy(session); |
152 | session_put(session); | |
63371d1e | 153 | |
e32d7f27 JG |
154 | ret = find_session_name(session_name); |
155 | if (ret < 0) { | |
2b6001b5 | 156 | /* Success, -1 means that the session is NOT found */ |
e32d7f27 JG |
157 | ret = 0; |
158 | } else { | |
159 | /* Fail */ | |
160 | ret = -1; | |
161 | } | |
162 | return ret; | |
63371d1e DG |
163 | } |
164 | ||
63371d1e DG |
165 | /* |
166 | * This test is supposed to fail at the second create call. If so, return 0 for | |
167 | * test success, else -1. | |
168 | */ | |
169 | static int two_session_same_name(void) | |
170 | { | |
171 | int ret; | |
00e2e675 | 172 | struct ltt_session *sess; |
63371d1e | 173 | |
dec56f6c | 174 | ret = create_one_session(SESSION1); |
63371d1e DG |
175 | if (ret < 0) { |
176 | /* Fail */ | |
e32d7f27 JG |
177 | ret = -1; |
178 | goto end; | |
63371d1e DG |
179 | } |
180 | ||
e32d7f27 | 181 | session_lock_list(); |
00e2e675 DG |
182 | sess = session_find_by_name(SESSION1); |
183 | if (sess) { | |
63371d1e | 184 | /* Success */ |
e32d7f27 JG |
185 | session_put(sess); |
186 | session_unlock_list(); | |
187 | ret = 0; | |
188 | goto end_unlock; | |
189 | } else { | |
190 | /* Fail */ | |
191 | ret = -1; | |
192 | goto end_unlock; | |
63371d1e | 193 | } |
e32d7f27 JG |
194 | end_unlock: |
195 | session_unlock_list(); | |
196 | end: | |
197 | return ret; | |
63371d1e DG |
198 | } |
199 | ||
c109c263 | 200 | static void test_session_list(void) |
63371d1e | 201 | { |
83c55082 CB |
202 | session_list = session_get_list(); |
203 | ok(session_list != NULL, "Session list: not NULL"); | |
204 | } | |
63371d1e | 205 | |
c109c263 | 206 | static void test_create_one_session(void) |
83c55082 | 207 | { |
dec56f6c | 208 | ok(create_one_session(SESSION1) == 0, |
83c55082 CB |
209 | "Create session: %s", |
210 | SESSION1); | |
211 | } | |
63371d1e | 212 | |
c109c263 | 213 | static void test_validate_session(void) |
83c55082 CB |
214 | { |
215 | struct ltt_session *tmp; | |
63371d1e | 216 | |
e32d7f27 | 217 | session_lock_list(); |
83c55082 | 218 | tmp = session_find_by_name(SESSION1); |
63371d1e | 219 | |
83c55082 CB |
220 | ok(tmp != NULL, |
221 | "Validating session: session found"); | |
222 | ||
d61d06f0 JG |
223 | if (tmp) { |
224 | ok(tmp->kernel_session == NULL && | |
225 | strlen(tmp->name), | |
226 | "Validating session: basic sanity check"); | |
227 | } else { | |
228 | skip(1, "Skipping session validation check as session was not found"); | |
229 | goto end; | |
230 | } | |
63371d1e | 231 | |
54d01ffb DG |
232 | session_lock(tmp); |
233 | session_unlock(tmp); | |
e32d7f27 | 234 | session_put(tmp); |
d61d06f0 | 235 | end: |
e32d7f27 | 236 | session_unlock_list(); |
83c55082 | 237 | } |
63371d1e | 238 | |
c109c263 | 239 | static void test_destroy_session(void) |
83c55082 CB |
240 | { |
241 | struct ltt_session *tmp; | |
63371d1e | 242 | |
e32d7f27 | 243 | session_lock_list(); |
83c55082 | 244 | tmp = session_find_by_name(SESSION1); |
63371d1e | 245 | |
83c55082 CB |
246 | ok(tmp != NULL, |
247 | "Destroying session: session found"); | |
63371d1e | 248 | |
acd4994e JG |
249 | if (tmp) { |
250 | ok(destroy_one_session(tmp) == 0, | |
251 | "Destroying session: %s destroyed", | |
252 | SESSION1); | |
253 | } else { | |
254 | skip(1, "Skipping session destruction as it was not found"); | |
255 | } | |
e32d7f27 | 256 | session_unlock_list(); |
83c55082 | 257 | } |
63371d1e | 258 | |
c109c263 | 259 | static void test_duplicate_session(void) |
83c55082 CB |
260 | { |
261 | ok(two_session_same_name() == 0, | |
262 | "Duplicate session creation"); | |
263 | } | |
264 | ||
c109c263 | 265 | static void test_session_name_generation(void) |
83c55082 | 266 | { |
b178f53e JG |
267 | struct ltt_session *session = NULL; |
268 | enum lttng_error_code ret_code; | |
269 | const char *expected_session_name_prefix = DEFAULT_SESSION_NAME; | |
2b6001b5 JR |
270 | lttng::trace_format_descriptor::uptr trace_format_descriptor = |
271 | lttng::make_unique<lttng::trace_format_descriptor_ctf1>(); | |
83c55082 | 272 | |
b178f53e | 273 | session_lock_list(); |
2b6001b5 | 274 | ret_code = session_create(NULL, geteuid(), getegid(), trace_format_descriptor, &session); |
b178f53e JG |
275 | ok(ret_code == LTTNG_OK, |
276 | "Create session with a NULL name (auto-generate a name)"); | |
277 | if (!session) { | |
278 | skip(1, "Skipping session name generation tests as session_create() failed."); | |
279 | goto end; | |
280 | } | |
281 | diag("Automatically-generated session name: %s", *session->name ? | |
282 | session->name : "ERROR"); | |
283 | ok(*session->name && !strncmp(expected_session_name_prefix, session->name, | |
284 | sizeof(DEFAULT_SESSION_NAME) - 1), | |
285 | "Auto-generated session name starts with %s", | |
286 | DEFAULT_SESSION_NAME); | |
287 | end: | |
288 | session_put(session); | |
289 | session_unlock_list(); | |
83c55082 CB |
290 | } |
291 | ||
c109c263 | 292 | static void test_large_session_number(void) |
83c55082 CB |
293 | { |
294 | int ret, i, failed = 0; | |
295 | struct ltt_session *iter, *tmp; | |
63371d1e | 296 | |
63371d1e | 297 | for (i = 0; i < MAX_SESSIONS; i++) { |
e6dd5671 | 298 | char *tmp_name = get_random_string(); |
dec56f6c | 299 | ret = create_one_session(tmp_name); |
63371d1e | 300 | if (ret < 0) { |
83c55082 CB |
301 | diag("session %d (name: %s) creation failed", i, tmp_name); |
302 | ++failed; | |
db9b8b88 | 303 | } |
63371d1e | 304 | } |
63371d1e | 305 | |
83c55082 CB |
306 | ok(failed == 0, |
307 | "Large sessions number: created %u sessions", | |
308 | MAX_SESSIONS); | |
309 | ||
310 | failed = 0; | |
311 | ||
e32d7f27 | 312 | session_lock_list(); |
63371d1e DG |
313 | for (i = 0; i < MAX_SESSIONS; i++) { |
314 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { | |
a0377dfe | 315 | LTTNG_ASSERT(session_get(iter)); |
271933a4 | 316 | ret = destroy_one_session(iter); |
63371d1e | 317 | if (ret < 0) { |
59891c42 | 318 | diag("session %d destroy failed", i); |
83c55082 | 319 | ++failed; |
63371d1e DG |
320 | } |
321 | } | |
322 | } | |
e32d7f27 | 323 | session_unlock_list(); |
63371d1e | 324 | |
83c55082 CB |
325 | ok(failed == 0 && session_list_count() == 0, |
326 | "Large sessions number: destroyed %u sessions", | |
327 | MAX_SESSIONS); | |
328 | } | |
63371d1e | 329 | |
f46376a1 | 330 | int main(void) |
83c55082 | 331 | { |
a3707772 | 332 | |
83c55082 CB |
333 | plan_tests(NUM_TESTS); |
334 | ||
412d7227 | 335 | the_health_sessiond = health_app_create(NR_HEALTH_SESSIOND_TYPES); |
5e97de00 | 336 | |
e3bef725 CB |
337 | diag("Sessions unit tests"); |
338 | ||
8273250b JR |
339 | rcu_register_thread(); |
340 | ||
83c55082 CB |
341 | test_session_list(); |
342 | ||
343 | test_create_one_session(); | |
344 | ||
345 | test_validate_session(); | |
346 | ||
347 | test_destroy_session(); | |
348 | ||
349 | test_duplicate_session(); | |
350 | ||
351 | empty_session_list(); | |
352 | ||
b178f53e | 353 | test_session_name_generation(); |
83c55082 CB |
354 | |
355 | test_large_session_number(); | |
356 | ||
8273250b | 357 | rcu_unregister_thread(); |
a3707772 | 358 | lttng_thread_list_shutdown_orphans(); |
5e97de00 | 359 | |
83c55082 | 360 | return exit_status(); |
63371d1e | 361 | } |