2 * Copyright (C) 2011 EfficiOS Inc.
4 * SPDX-License-Identifier: GPL-2.0-only
8 #include <common/common.hpp>
9 #include <common/compat/errno.hpp>
10 #include <common/sessiond-comm/sessiond-comm.hpp>
12 #include <bin/lttng-sessiond/health-sessiond.hpp>
13 #include <bin/lttng-sessiond/session.hpp>
14 #include <bin/lttng-sessiond/thread.hpp>
15 #include <bin/lttng-sessiond/ust-app.hpp>
19 #include <sys/types.h>
25 #define SESSION1 "test1"
27 #define MAX_SESSIONS 10000
28 #define RANDOM_STRING_LEN 11
30 /* Number of TAP tests in this file */
33 static struct ltt_session_list
*session_list
;
35 static const char alphanum
[] = "0123456789"
36 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
37 "abcdefghijklmnopqrstuvwxyz";
38 static char random_string
[RANDOM_STRING_LEN
];
41 * Return random string of 10 characters.
44 static char *get_random_string()
48 for (i
= 0; i
< RANDOM_STRING_LEN
- 1; i
++) {
49 random_string
[i
] = alphanum
[rand() % (sizeof(alphanum
) - 1)];
52 random_string
[RANDOM_STRING_LEN
- 1] = '\0';
58 * Return 0 if session name is found, else -1
60 static int find_session_name(const char *name
)
62 struct ltt_session
*iter
;
64 cds_list_for_each_entry (iter
, &session_list
->head
, list
) {
65 if (strcmp(iter
->name
, name
) == 0) {
73 static int session_list_count()
76 struct ltt_session
*iter
;
78 cds_list_for_each_entry (iter
, &session_list
->head
, list
) {
85 * Empty session list manually.
87 static void empty_session_list()
89 struct ltt_session
*iter
, *tmp
;
92 cds_list_for_each_entry_safe (iter
, tmp
, &session_list
->head
, list
) {
93 session_destroy(iter
);
95 session_unlock_list();
97 /* Session list must be 0 */
98 LTTNG_ASSERT(!session_list_count());
102 * Test creation of 1 session
104 static int create_one_session(const char *name
)
107 enum lttng_error_code ret_code
;
108 struct ltt_session
*session
= nullptr;
111 ret_code
= session_create(name
, geteuid(), getegid(), &session
);
112 session_put(session
);
113 if (ret_code
== LTTNG_OK
) {
115 ret
= find_session_name(name
);
117 /* Session not found by name */
118 printf("session not found after creation\n");
125 if (ret_code
== LTTNG_ERR_EXIST_SESS
) {
126 printf("(session already exists) ");
131 session_unlock_list();
136 * Test deletion of 1 session
138 static int destroy_one_session(struct ltt_session
*session
)
141 char session_name
[NAME_MAX
];
143 strncpy(session_name
, session
->name
, sizeof(session_name
));
144 session_name
[sizeof(session_name
) - 1] = '\0';
146 session_destroy(session
);
147 session_put(session
);
149 ret
= find_session_name(session_name
);
151 /* Success, -1 means that the sesion is NOT found */
161 * This test is supposed to fail at the second create call. If so, return 0 for
162 * test success, else -1.
164 static int two_session_same_name()
167 struct ltt_session
*sess
;
169 ret
= create_one_session(SESSION1
);
177 sess
= session_find_by_name(SESSION1
);
181 session_unlock_list();
190 session_unlock_list();
195 static void test_session_list()
197 session_list
= session_get_list();
198 ok(session_list
!= nullptr, "Session list: not NULL");
201 static void test_create_one_session()
203 ok(create_one_session(SESSION1
) == 0, "Create session: %s", SESSION1
);
206 static void test_validate_session()
208 struct ltt_session
*tmp
;
211 tmp
= session_find_by_name(SESSION1
);
213 ok(tmp
!= nullptr, "Validating session: session found");
216 ok(tmp
->kernel_session
== nullptr && strlen(tmp
->name
),
217 "Validating session: basic sanity check");
219 skip(1, "Skipping session validation check as session was not found");
227 session_unlock_list();
230 static void test_destroy_session()
232 struct ltt_session
*tmp
;
235 tmp
= session_find_by_name(SESSION1
);
237 ok(tmp
!= nullptr, "Destroying session: session found");
240 ok(destroy_one_session(tmp
) == 0, "Destroying session: %s destroyed", SESSION1
);
242 skip(1, "Skipping session destruction as it was not found");
244 session_unlock_list();
247 static void test_duplicate_session()
249 ok(two_session_same_name() == 0, "Duplicate session creation");
252 static void test_session_name_generation()
254 struct ltt_session
*session
= nullptr;
255 enum lttng_error_code ret_code
;
256 const char *expected_session_name_prefix
= DEFAULT_SESSION_NAME
;
259 ret_code
= session_create(nullptr, geteuid(), getegid(), &session
);
260 ok(ret_code
== LTTNG_OK
, "Create session with a NULL name (auto-generate a name)");
262 skip(1, "Skipping session name generation tests as session_create() failed.");
265 diag("Automatically-generated session name: %s", *session
->name
? session
->name
: "ERROR");
267 !strncmp(expected_session_name_prefix
,
269 sizeof(DEFAULT_SESSION_NAME
) - 1),
270 "Auto-generated session name starts with %s",
271 DEFAULT_SESSION_NAME
);
273 session_put(session
);
274 session_unlock_list();
277 static void test_large_session_number()
279 int ret
, i
, failed
= 0;
280 struct ltt_session
*iter
, *tmp
;
282 for (i
= 0; i
< MAX_SESSIONS
; i
++) {
283 char *tmp_name
= get_random_string();
284 ret
= create_one_session(tmp_name
);
286 diag("session %d (name: %s) creation failed", i
, tmp_name
);
291 ok(failed
== 0, "Large sessions number: created %u sessions", MAX_SESSIONS
);
296 for (i
= 0; i
< MAX_SESSIONS
; i
++) {
297 cds_list_for_each_entry_safe (iter
, tmp
, &session_list
->head
, list
) {
298 LTTNG_ASSERT(session_get(iter
));
299 ret
= destroy_one_session(iter
);
301 diag("session %d destroy failed", i
);
306 session_unlock_list();
308 ok(failed
== 0 && session_list_count() == 0,
309 "Large sessions number: destroyed %u sessions",
315 plan_tests(NUM_TESTS
);
317 the_health_sessiond
= health_app_create(NR_HEALTH_SESSIOND_TYPES
);
319 diag("Sessions unit tests");
321 rcu_register_thread();
325 test_create_one_session();
327 test_validate_session();
329 test_destroy_session();
331 test_duplicate_session();
333 empty_session_list();
335 test_session_name_generation();
337 test_large_session_number();
339 rcu_unregister_thread();
340 lttng_thread_list_shutdown_orphans();
342 return exit_status();