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