Fix: undefined operation on last_relay_viewer_session_id
[lttng-tools.git] / tests / unit / test_ust_data.c
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 <lttng/lttng.h>
29 #include <bin/lttng-sessiond/lttng-ust-abi.h>
30 #include <common/defaults.h>
31 #include <bin/lttng-sessiond/trace-ust.h>
32 #include <bin/lttng-sessiond/ust-app.h>
33
34 #include <tap/tap.h>
35
36 /* This path will NEVER be created in this test */
37 #define PATH1 "/tmp/.test-junk-lttng"
38
39 #define RANDOM_STRING_LEN 11
40
41 /* Number of TAP tests in this file */
42 #define NUM_TESTS 11
43
44 /* For error.h */
45 int lttng_opt_quiet = 1;
46 int lttng_opt_verbose;
47 int lttng_opt_mi;
48
49 int ust_consumerd32_fd;
50 int ust_consumerd64_fd;
51
52 static const char alphanum[] =
53 "0123456789"
54 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
55 "abcdefghijklmnopqrstuvwxyz";
56 static char random_string[RANDOM_STRING_LEN];
57
58 static struct ltt_ust_session *usess;
59 static struct lttng_domain dom;
60
61 /*
62 * Return random string of 10 characters.
63 * Not thread-safe.
64 */
65 static char *get_random_string(void)
66 {
67 int i;
68
69 for (i = 0; i < RANDOM_STRING_LEN - 1; i++) {
70 random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
71 }
72
73 random_string[RANDOM_STRING_LEN - 1] = '\0';
74
75 return random_string;
76 }
77
78 static void test_create_one_ust_session(void)
79 {
80 dom.type = LTTNG_DOMAIN_UST;
81
82 usess = trace_ust_create_session(42);
83 ok(usess != NULL, "Create UST session");
84
85 ok(usess->id == 42 &&
86 usess->active == 0 &&
87 usess->domain_global.channels != NULL &&
88 usess->uid == 0 &&
89 usess->gid == 0,
90 "Validate UST session");
91
92 trace_ust_destroy_session(usess);
93 }
94
95 static void test_create_ust_channel(void)
96 {
97 struct ltt_ust_channel *uchan;
98 struct lttng_channel attr;
99
100 memset(&attr, 0, sizeof(attr));
101
102 strncpy(attr.name, "channel0", 8);
103
104 uchan = trace_ust_create_channel(&attr);
105 ok(uchan != NULL, "Create UST channel");
106
107 ok(uchan->enabled == 0 &&
108 strncmp(uchan->name, "channel0", 8) == 0 &&
109 uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0' &&
110 uchan->ctx != NULL &&
111 uchan->events != NULL &&
112 uchan->attr.overwrite == attr.attr.overwrite,
113 "Validate UST channel");
114
115 trace_ust_destroy_channel(uchan);
116 }
117
118 static void test_create_ust_event(void)
119 {
120 struct ltt_ust_event *event;
121 struct lttng_event ev;
122
123 memset(&ev, 0, sizeof(ev));
124 strncpy(ev.name, get_random_string(), LTTNG_SYMBOL_NAME_LEN);
125 ev.type = LTTNG_EVENT_TRACEPOINT;
126 ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
127
128 event = trace_ust_create_event(&ev, NULL, NULL, NULL);
129
130 ok(event != NULL, "Create UST event");
131
132 ok(event->enabled == 0 &&
133 event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
134 strcmp(event->attr.name, ev.name) == 0 &&
135 event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
136 "Validate UST event");
137
138 trace_ust_destroy_event(event);
139 }
140
141 static void test_create_ust_event_exclusion(void)
142 {
143 struct ltt_ust_event *event;
144 struct lttng_event ev;
145 char *name;
146 struct lttng_event_exclusion *exclusion;
147
148 memset(&ev, 0, sizeof(ev));
149
150 /* make a wildcarded event name */
151 name = get_random_string();
152 name[strlen(name) - 1] = '*';
153 strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN);
154
155 ev.type = LTTNG_EVENT_TRACEPOINT;
156 ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
157
158 /* set up an exclusion set */
159 exclusion = zmalloc(sizeof(*exclusion) + LTTNG_SYMBOL_NAME_LEN);
160 if (!exclusion) {
161 PERROR("zmalloc");
162 }
163
164 ok(exclusion != NULL, "Create UST exclusion");
165
166 exclusion->count = 1;
167 strncpy((char *)(exclusion->names), get_random_string(), LTTNG_SYMBOL_NAME_LEN);
168
169 event = trace_ust_create_event(&ev, NULL, NULL, exclusion);
170
171 ok(event != NULL, "Create UST event with exclusion");
172
173 ok(event->enabled == 0 &&
174 event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
175 strcmp(event->attr.name, ev.name) == 0 &&
176 event->exclusion != NULL &&
177 event->exclusion->count == 1 &&
178 strcmp((char *)(event->exclusion->names), (char *)(exclusion->names)) == 0 &&
179 event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
180 "Validate UST event and exclusion");
181
182 trace_ust_destroy_event(event);
183 }
184
185
186 static void test_create_ust_context(void)
187 {
188 struct lttng_event_context ectx;
189 struct ltt_ust_context *uctx;
190
191 ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;
192
193 uctx = trace_ust_create_context(&ectx);
194 ok(uctx != NULL, "Create UST context");
195
196 ok((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID,
197 "Validate UST context");
198 free(uctx);
199 }
200
201 int main(int argc, char **argv)
202 {
203 plan_tests(NUM_TESTS);
204
205 diag("UST data structures unit test");
206
207 test_create_one_ust_session();
208 test_create_ust_channel();
209 test_create_ust_event();
210 test_create_ust_context();
211 test_create_ust_event_exclusion();
212
213 return exit_status();
214 }
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