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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 | ||
19 | #define _GNU_SOURCE | |
20 | #include <assert.h> | |
21 | #include <errno.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
26 | #include <time.h> | |
6df2e2c9 | 27 | #include <sys/types.h> |
63371d1e | 28 | |
10a8a223 DG |
29 | #include <bin/lttng-sessiond/session.h> |
30 | #include <common/sessiond-comm/sessiond-comm.h> | |
f73fabfd | 31 | #include <common/common.h> |
f6a9efaa | 32 | |
897b8e23 | 33 | #include "utils.h" |
63371d1e DG |
34 | |
35 | #define SESSION1 "test1" | |
36 | ||
37 | /* This path will NEVER be created in this test */ | |
38 | #define PATH1 "/tmp/.test-junk-lttng" | |
39 | ||
40 | #define MAX_SESSIONS 10000 | |
98612240 | 41 | #define RANDOM_STRING_LEN 11 |
63371d1e DG |
42 | |
43 | /* | |
44 | * String of 263 caracters. NAME_MAX + "OVERFLOW". If OVERFLOW appears in the | |
45 | * session name, we have a problem. | |
46 | * | |
47 | * NAME_MAX = 255 | |
48 | */ | |
49 | #define OVERFLOW_SESSION_NAME \ | |
50 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd" \ | |
51 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd" \ | |
52 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd" \ | |
53 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabc" \ | |
54 | "OVERFLOW" | |
55 | ||
56 | static struct ltt_session_list *session_list; | |
57 | ||
58 | /* For lttngerr.h */ | |
97e19046 DG |
59 | int lttng_opt_quiet = 1; |
60 | int lttng_opt_verbose = 0; | |
63371d1e DG |
61 | |
62 | static const char alphanum[] = | |
63 | "0123456789" | |
64 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
65 | "abcdefghijklmnopqrstuvwxyz"; | |
98612240 | 66 | static char random_string[RANDOM_STRING_LEN]; |
63371d1e DG |
67 | |
68 | /* | |
69 | * Return random string of 10 characters. | |
98612240 | 70 | * Not thread-safe. |
63371d1e DG |
71 | */ |
72 | static char *get_random_string(void) | |
73 | { | |
74 | int i; | |
63371d1e | 75 | |
98612240 MD |
76 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
77 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
63371d1e DG |
78 | } |
79 | ||
98612240 | 80 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
63371d1e | 81 | |
98612240 | 82 | return random_string; |
63371d1e DG |
83 | } |
84 | ||
85 | /* | |
86 | * Return 0 if session name is found, else -1 | |
87 | */ | |
88 | static int find_session_name(char *name) | |
89 | { | |
90 | struct ltt_session *iter; | |
91 | ||
92 | cds_list_for_each_entry(iter, &session_list->head, list) { | |
93 | if (strcmp(iter->name, name) == 0) { | |
94 | return 0; | |
95 | } | |
96 | } | |
97 | ||
98 | return -1; | |
99 | } | |
100 | ||
cc305a0b MD |
101 | static int session_list_count(void) |
102 | { | |
103 | int count = 0; | |
104 | struct ltt_session *iter; | |
105 | ||
106 | cds_list_for_each_entry(iter, &session_list->head, list) { | |
107 | count++; | |
108 | } | |
109 | return count; | |
110 | } | |
111 | ||
63371d1e DG |
112 | /* |
113 | * Empty session list manually. | |
114 | */ | |
115 | static void empty_session_list(void) | |
116 | { | |
117 | struct ltt_session *iter, *tmp; | |
118 | ||
119 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { | |
120 | cds_list_del(&iter->list); | |
63371d1e DG |
121 | free(iter); |
122 | } | |
123 | ||
124 | /* Session list must be 0 */ | |
cc305a0b | 125 | assert(!session_list_count()); |
63371d1e DG |
126 | } |
127 | ||
128 | /* | |
129 | * Test creation of 1 session | |
130 | */ | |
131 | static int create_one_session(char *name, char *path) | |
132 | { | |
133 | int ret; | |
134 | ||
6df2e2c9 | 135 | ret = session_create(name, path, geteuid(), getegid()); |
f73fabfd | 136 | if (ret == LTTNG_OK) { |
63371d1e DG |
137 | /* Validate */ |
138 | ret = find_session_name(name); | |
139 | if (ret < 0) { | |
140 | /* Session not found by name */ | |
141 | printf("session not found after creation\n"); | |
142 | return -1; | |
143 | } else { | |
144 | /* Success */ | |
145 | return 0; | |
146 | } | |
54d01ffb | 147 | } else { |
f73fabfd | 148 | if (ret == LTTNG_ERR_EXIST_SESS) { |
63371d1e DG |
149 | printf("(session already exists) "); |
150 | } | |
151 | return -1; | |
152 | } | |
153 | ||
154 | return 0; | |
155 | } | |
156 | ||
157 | /* | |
158 | * Test deletion of 1 session | |
159 | */ | |
271933a4 | 160 | static int destroy_one_session(struct ltt_session *session) |
63371d1e DG |
161 | { |
162 | int ret; | |
163 | ||
271933a4 | 164 | ret = session_destroy(session); |
54d01ffb | 165 | |
f73fabfd | 166 | if (ret == LTTNG_OK) { |
63371d1e | 167 | /* Validate */ |
271933a4 DG |
168 | if (session == NULL) { |
169 | return 0; | |
170 | } | |
171 | ret = find_session_name(session->name); | |
63371d1e DG |
172 | if (ret < 0) { |
173 | /* Success, -1 means that the sesion is NOT found */ | |
174 | return 0; | |
175 | } else { | |
176 | /* Fail */ | |
177 | return -1; | |
178 | } | |
63371d1e DG |
179 | } |
180 | ||
181 | return 0; | |
182 | } | |
183 | ||
184 | static int fuzzing_create_args(void) | |
185 | { | |
186 | int ret; | |
187 | ||
188 | ret = create_one_session(NULL, NULL); | |
54d01ffb | 189 | if (ret > 0) { |
63371d1e DG |
190 | printf("Session created with (null),(null)\n"); |
191 | return -1; | |
192 | } | |
193 | ||
194 | ret = create_one_session(NULL, PATH1); | |
54d01ffb | 195 | if (ret > 0) { |
63371d1e DG |
196 | printf("Session created with (null), %s)\n", PATH1); |
197 | return -1; | |
198 | } | |
199 | ||
63371d1e | 200 | /* Session list must be 0 */ |
cc305a0b | 201 | assert(!session_list_count()); |
63371d1e DG |
202 | |
203 | return 0; | |
204 | } | |
205 | ||
206 | static int fuzzing_destroy_args(void) | |
207 | { | |
208 | int ret; | |
209 | ||
210 | ret = destroy_one_session(NULL); | |
54d01ffb | 211 | if (ret > 0) { |
63371d1e DG |
212 | printf("Session destroyed with (null)\n"); |
213 | return -1; | |
214 | } | |
215 | ||
63371d1e | 216 | /* Session list must be 0 */ |
cc305a0b | 217 | assert(!session_list_count()); |
63371d1e DG |
218 | |
219 | return 0; | |
220 | } | |
221 | ||
222 | /* | |
223 | * This test is supposed to fail at the second create call. If so, return 0 for | |
224 | * test success, else -1. | |
225 | */ | |
226 | static int two_session_same_name(void) | |
227 | { | |
228 | int ret; | |
00e2e675 | 229 | struct ltt_session *sess; |
63371d1e DG |
230 | |
231 | ret = create_one_session(SESSION1, PATH1); | |
232 | if (ret < 0) { | |
233 | /* Fail */ | |
234 | return -1; | |
235 | } | |
236 | ||
00e2e675 DG |
237 | sess = session_find_by_name(SESSION1); |
238 | if (sess) { | |
63371d1e DG |
239 | /* Success */ |
240 | return 0; | |
241 | } | |
242 | ||
243 | /* Fail */ | |
244 | return -1; | |
245 | } | |
246 | ||
247 | int main(int argc, char **argv) | |
248 | { | |
249 | int ret, i; | |
63371d1e DG |
250 | struct ltt_session *iter, *tmp; |
251 | ||
252 | srand(time(NULL)); | |
253 | ||
254 | printf("\nTesting Sessions:\n-----------\n"); | |
255 | ||
54d01ffb | 256 | session_list = session_get_list(); |
63371d1e DG |
257 | if (session_list == NULL) { |
258 | return -1; | |
259 | } | |
260 | ||
261 | printf("Create 1 session %s: ", SESSION1); | |
bcf480b0 | 262 | fflush(stdout); |
63371d1e DG |
263 | ret = create_one_session(SESSION1, PATH1); |
264 | if (ret < 0) { | |
265 | return -1; | |
266 | } | |
897b8e23 | 267 | PRINT_OK(); |
63371d1e DG |
268 | |
269 | printf("Validating created session %s: ", SESSION1); | |
bcf480b0 | 270 | fflush(stdout); |
54d01ffb | 271 | tmp = session_find_by_name(SESSION1); |
63371d1e DG |
272 | if (tmp == NULL) { |
273 | return -1; | |
274 | } | |
275 | /* Basic init session values */ | |
276 | assert(tmp->kernel_session == NULL); | |
63371d1e DG |
277 | assert(strlen(tmp->path)); |
278 | assert(strlen(tmp->name)); | |
54d01ffb DG |
279 | session_lock(tmp); |
280 | session_unlock(tmp); | |
63371d1e | 281 | |
897b8e23 | 282 | PRINT_OK(); |
63371d1e DG |
283 | |
284 | printf("Destroy 1 session %s: ", SESSION1); | |
bcf480b0 | 285 | fflush(stdout); |
271933a4 | 286 | ret = destroy_one_session(tmp); |
63371d1e DG |
287 | if (ret < 0) { |
288 | return -1; | |
289 | } | |
897b8e23 | 290 | PRINT_OK(); |
63371d1e DG |
291 | |
292 | printf("Two session with same name: "); | |
bcf480b0 | 293 | fflush(stdout); |
63371d1e DG |
294 | ret = two_session_same_name(); |
295 | if (ret < 0) { | |
296 | return -1; | |
297 | } | |
897b8e23 | 298 | PRINT_OK(); |
63371d1e DG |
299 | |
300 | empty_session_list(); | |
301 | ||
302 | printf("Fuzzing create_session arguments: "); | |
bcf480b0 | 303 | fflush(stdout); |
63371d1e DG |
304 | ret = fuzzing_create_args(); |
305 | if (ret < 0) { | |
306 | return -1; | |
307 | } | |
897b8e23 | 308 | PRINT_OK(); |
63371d1e DG |
309 | |
310 | printf("Fuzzing destroy_session argument: "); | |
bcf480b0 | 311 | fflush(stdout); |
63371d1e DG |
312 | ret = fuzzing_destroy_args(); |
313 | if (ret < 0) { | |
314 | return -1; | |
315 | } | |
897b8e23 | 316 | PRINT_OK(); |
63371d1e DG |
317 | |
318 | printf("Creating %d sessions: ", MAX_SESSIONS); | |
bcf480b0 | 319 | fflush(stdout); |
63371d1e | 320 | for (i = 0; i < MAX_SESSIONS; i++) { |
e6dd5671 MD |
321 | char *tmp_name = get_random_string(); |
322 | ||
323 | ret = create_one_session(tmp_name, PATH1); | |
63371d1e DG |
324 | if (ret < 0) { |
325 | printf("session %d (name: %s) creation failed\n", i, tmp_name); | |
326 | return -1; | |
327 | } | |
db9b8b88 DG |
328 | |
329 | if ((i % 1000) == 0) { | |
330 | fprintf(stdout, "%d..", i); | |
331 | fflush(stdout); | |
332 | } | |
63371d1e | 333 | } |
897b8e23 | 334 | PRINT_OK(); |
63371d1e DG |
335 | |
336 | printf("Destroying %d sessions: ", MAX_SESSIONS); | |
bcf480b0 | 337 | fflush(stdout); |
63371d1e DG |
338 | for (i = 0; i < MAX_SESSIONS; i++) { |
339 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { | |
271933a4 | 340 | ret = destroy_one_session(iter); |
63371d1e DG |
341 | if (ret < 0) { |
342 | printf("session %d (name: %s) creation failed\n", i, iter->name); | |
343 | return -1; | |
344 | } | |
345 | } | |
346 | } | |
897b8e23 | 347 | PRINT_OK(); |
63371d1e DG |
348 | |
349 | /* Session list must be 0 */ | |
cc305a0b | 350 | assert(!session_list_count()); |
63371d1e DG |
351 | |
352 | /* Success */ | |
353 | return 0; | |
354 | } |