[lttng-tools.git] / tests / unit / test_ust_data.c

/*
 * Copyright (c)  2011 David Goulet <david.goulet@polymtl.ca>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * as published by the Free Software Foundation; only version 2
 * of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <time.h>

#include <lttng/lttng.h>
#include <bin/lttng-sessiond/lttng-ust-abi.h>
#include <common/defaults.h>
#include <bin/lttng-sessiond/trace-ust.h>
#include <bin/lttng-sessiond/ust-app.h>

#include <tap/tap.h>

/* This path will NEVER be created in this test */
#define PATH1 "/tmp/.test-junk-lttng"

#define RANDOM_STRING_LEN	11

/* Number of TAP tests in this file */
#define NUM_TESTS 11

/* For error.h */
int lttng_opt_quiet = 1;
int lttng_opt_verbose;
int lttng_opt_mi;

int ust_consumerd32_fd;
int ust_consumerd64_fd;

/* Global variable required by sessiond objects being linked-in */
struct lttng_ht *agent_apps_ht_by_sock;

static const char alphanum[] =
	"0123456789"
	"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	"abcdefghijklmnopqrstuvwxyz";
static char random_string[RANDOM_STRING_LEN];

static struct ltt_ust_session *usess;
static struct lttng_domain dom;

/*
 * Return random string of 10 characters.
 * Not thread-safe.
 */
static char *get_random_string(void)
{
	int i;

	for (i = 0; i < RANDOM_STRING_LEN - 1; i++) {
		random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
	}

	random_string[RANDOM_STRING_LEN - 1] = '\0';

	return random_string;
}

static void test_create_one_ust_session(void)
{
	dom.type = LTTNG_DOMAIN_UST;

	usess = trace_ust_create_session(42);
	ok(usess != NULL, "Create UST session");

	ok(usess->id == 42 &&
	   usess->active == 0 &&
	   usess->domain_global.channels != NULL &&
	   usess->uid == 0 &&
	   usess->gid == 0,
	   "Validate UST session");

	trace_ust_destroy_session(usess);
}

static void test_create_ust_channel(void)
{
	struct ltt_ust_channel *uchan;
	struct lttng_channel attr;

	memset(&attr, 0, sizeof(attr));

	strncpy(attr.name, "channel0", 8);

	uchan = trace_ust_create_channel(&attr, LTTNG_DOMAIN_UST);
	ok(uchan != NULL, "Create UST channel");

	ok(uchan->enabled == 0 &&
	   strncmp(uchan->name, "channel0", 8) == 0 &&
	   uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0' &&
	   uchan->ctx != NULL &&
	   uchan->events != NULL &&
	   uchan->attr.overwrite  == attr.attr.overwrite,
	   "Validate UST channel");

	trace_ust_destroy_channel(uchan);
}

static void test_create_ust_event(void)
{
	struct ltt_ust_event *event;
	struct lttng_event ev;

	memset(&ev, 0, sizeof(ev));
	strncpy(ev.name, get_random_string(), LTTNG_SYMBOL_NAME_LEN);
	ev.type = LTTNG_EVENT_TRACEPOINT;
	ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;

	event = trace_ust_create_event(&ev, NULL, NULL, NULL, false);

	ok(event != NULL, "Create UST event");

	ok(event->enabled == 0 &&
	   event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
	   strcmp(event->attr.name, ev.name) == 0 &&
	   event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
	   "Validate UST event");

	trace_ust_destroy_event(event);
}

static void test_create_ust_event_exclusion(void)
{
	struct ltt_ust_event *event;
	struct lttng_event ev;
	char *name;
	struct lttng_event_exclusion *exclusion;

	memset(&ev, 0, sizeof(ev));

	/* make a wildcarded event name */
	name = get_random_string();
	name[strlen(name) - 1] = '*';
	strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN);

	ev.type = LTTNG_EVENT_TRACEPOINT;
	ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;

	/* set up an exclusion set */
	exclusion = zmalloc(sizeof(*exclusion) + LTTNG_SYMBOL_NAME_LEN);
	if (!exclusion) {
		PERROR("zmalloc");
	}

	ok(exclusion != NULL, "Create UST exclusion");

	exclusion->count = 1;
	strncpy((char *)(exclusion->names), get_random_string(), LTTNG_SYMBOL_NAME_LEN);

	event = trace_ust_create_event(&ev, NULL, NULL, exclusion, false);

	ok(event != NULL, "Create UST event with exclusion");

	ok(event->enabled == 0 &&
	   event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
	   strcmp(event->attr.name, ev.name) == 0 &&
	   event->exclusion != NULL &&
	   event->exclusion->count == 1 &&
	   strcmp((char *)(event->exclusion->names), (char *)(exclusion->names)) == 0 &&
	   event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
	   "Validate UST event and exclusion");

	trace_ust_destroy_event(event);
}


static void test_create_ust_context(void)
{
	struct lttng_event_context ectx;
	struct ltt_ust_context *uctx;

	ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;

	uctx = trace_ust_create_context(&ectx);
	ok(uctx != NULL, "Create UST context");

	ok((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID,
	   "Validate UST context");
	free(uctx);
}

int main(int argc, char **argv)
{
	plan_tests(NUM_TESTS);

	diag("UST data structures unit test");

	test_create_one_ust_session();
	test_create_ust_channel();
	test_create_ust_event();
	test_create_ust_context();
	test_create_ust_event_exclusion();

	return exit_status();
}
Commit	Line	Data
	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	#include <assert.h>
	20	#include <errno.h>
	21	#include <stdio.h>
	22	#include <stdlib.h>
	23	#include <string.h>
	24	#include <unistd.h>
	25	#include <time.h>
	26
	27	#include <lttng/lttng.h>
	28	#include <bin/lttng-sessiond/lttng-ust-abi.h>
	29	#include <common/defaults.h>
	30	#include <bin/lttng-sessiond/trace-ust.h>
	31	#include <bin/lttng-sessiond/ust-app.h>
	32
	33	#include <tap/tap.h>
	34
	35	/* This path will NEVER be created in this test */
	36	#define PATH1 "/tmp/.test-junk-lttng"
	37
	38	#define RANDOM_STRING_LEN 11
	39
	40	/* Number of TAP tests in this file */
	41	#define NUM_TESTS 11
	42
	43	/* For error.h */
	44	int lttng_opt_quiet = 1;
	45	int lttng_opt_verbose;
	46	int lttng_opt_mi;
	47
	48	int ust_consumerd32_fd;
	49	int ust_consumerd64_fd;
	50
	51	/* Global variable required by sessiond objects being linked-in */
	52	struct lttng_ht *agent_apps_ht_by_sock;
	53
	54	static const char alphanum[] =
	55	"0123456789"
	56	"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	57	"abcdefghijklmnopqrstuvwxyz";
	58	static char random_string[RANDOM_STRING_LEN];
	59
	60	static struct ltt_ust_session *usess;
	61	static struct lttng_domain dom;
	62
	63	/*
	64	* Return random string of 10 characters.
	65	* Not thread-safe.
	66	*/
	67	static char *get_random_string(void)
	68	{
	69	int i;
	70
	71	for (i = 0; i < RANDOM_STRING_LEN - 1; i++) {
	72	random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
	73	}
	74
	75	random_string[RANDOM_STRING_LEN - 1] = '\0';
	76
	77	return random_string;
	78	}
	79
	80	static void test_create_one_ust_session(void)
	81	{
	82	dom.type = LTTNG_DOMAIN_UST;
	83
	84	usess = trace_ust_create_session(42);
	85	ok(usess != NULL, "Create UST session");
	86
	87	ok(usess->id == 42 &&
	88	usess->active == 0 &&
	89	usess->domain_global.channels != NULL &&
	90	usess->uid == 0 &&
	91	usess->gid == 0,
	92	"Validate UST session");
	93
	94	trace_ust_destroy_session(usess);
	95	}
	96
	97	static void test_create_ust_channel(void)
	98	{
	99	struct ltt_ust_channel *uchan;
	100	struct lttng_channel attr;
	101
	102	memset(&attr, 0, sizeof(attr));
	103
	104	strncpy(attr.name, "channel0", 8);
	105
	106	uchan = trace_ust_create_channel(&attr, LTTNG_DOMAIN_UST);
	107	ok(uchan != NULL, "Create UST channel");
	108
	109	ok(uchan->enabled == 0 &&
	110	strncmp(uchan->name, "channel0", 8) == 0 &&
	111	uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0' &&
	112	uchan->ctx != NULL &&
	113	uchan->events != NULL &&
	114	uchan->attr.overwrite == attr.attr.overwrite,
	115	"Validate UST channel");
	116
	117	trace_ust_destroy_channel(uchan);
	118	}
	119
	120	static void test_create_ust_event(void)
	121	{
	122	struct ltt_ust_event *event;
	123	struct lttng_event ev;
	124
	125	memset(&ev, 0, sizeof(ev));
	126	strncpy(ev.name, get_random_string(), LTTNG_SYMBOL_NAME_LEN);
	127	ev.type = LTTNG_EVENT_TRACEPOINT;
	128	ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
	129
	130	event = trace_ust_create_event(&ev, NULL, NULL, NULL, false);
	131
	132	ok(event != NULL, "Create UST event");
	133
	134	ok(event->enabled == 0 &&
	135	event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
	136	strcmp(event->attr.name, ev.name) == 0 &&
	137	event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
	138	"Validate UST event");
	139
	140	trace_ust_destroy_event(event);
	141	}
	142
	143	static void test_create_ust_event_exclusion(void)
	144	{
	145	struct ltt_ust_event *event;
	146	struct lttng_event ev;
	147	char *name;
	148	struct lttng_event_exclusion *exclusion;
	149
	150	memset(&ev, 0, sizeof(ev));
	151
	152	/* make a wildcarded event name */
	153	name = get_random_string();
	154	name[strlen(name) - 1] = '*';
	155	strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN);
	156
	157	ev.type = LTTNG_EVENT_TRACEPOINT;
	158	ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
	159
	160	/* set up an exclusion set */
	161	exclusion = zmalloc(sizeof(*exclusion) + LTTNG_SYMBOL_NAME_LEN);
	162	if (!exclusion) {
	163	PERROR("zmalloc");
	164	}
	165
	166	ok(exclusion != NULL, "Create UST exclusion");
	167
	168	exclusion->count = 1;
	169	strncpy((char *)(exclusion->names), get_random_string(), LTTNG_SYMBOL_NAME_LEN);
	170
	171	event = trace_ust_create_event(&ev, NULL, NULL, exclusion, false);
	172
	173	ok(event != NULL, "Create UST event with exclusion");
	174
	175	ok(event->enabled == 0 &&
	176	event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
	177	strcmp(event->attr.name, ev.name) == 0 &&
	178	event->exclusion != NULL &&
	179	event->exclusion->count == 1 &&
	180	strcmp((char )(event->exclusion->names), (char )(exclusion->names)) == 0 &&
	181	event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
	182	"Validate UST event and exclusion");
	183
	184	trace_ust_destroy_event(event);
	185	}
	186
	187
	188	static void test_create_ust_context(void)
	189	{
	190	struct lttng_event_context ectx;
	191	struct ltt_ust_context *uctx;
	192
	193	ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;
	194
	195	uctx = trace_ust_create_context(&ectx);
	196	ok(uctx != NULL, "Create UST context");
	197
	198	ok((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID,
	199	"Validate UST context");
	200	free(uctx);
	201	}
	202
	203	int main(int argc, char **argv)
	204	{
	205	plan_tests(NUM_TESTS);
	206
	207	diag("UST data structures unit test");
	208
	209	test_create_one_ust_session();
	210	test_create_ust_channel();
	211	test_create_ust_event();
	212	test_create_ust_context();
	213	test_create_ust_event_exclusion();
	214
	215	return exit_status();
	216	}