[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.
 */

#define _GNU_SOURCE
#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 10

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

int ust_consumerd32_fd;
int ust_consumerd64_fd;

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);
	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);

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

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

	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	#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 10
	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	exclusion->count = 1;
	161	strncpy((char *)(exclusion->names), get_random_string(), LTTNG_SYMBOL_NAME_LEN);
	162
	163	event = trace_ust_create_event(&ev, NULL, NULL, exclusion);
	164
	165	ok(event != NULL, "Create UST event with exclusion");
	166
	167	ok(event->enabled == 0 &&
	168	event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
	169	strcmp(event->attr.name, ev.name) == 0 &&
	170	event->exclusion != NULL &&
	171	event->exclusion->count == 1 &&
	172	strcmp((char )(event->exclusion->names), (char )(exclusion->names)) == 0 &&
	173	event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
	174	"Validate UST event and exclusion");
	175
	176	trace_ust_destroy_event(event);
	177	}
	178
	179
	180	static void test_create_ust_context(void)
	181	{
	182	struct lttng_event_context ectx;
	183	struct ltt_ust_context *uctx;
	184
	185	ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;
	186
	187	uctx = trace_ust_create_context(&ectx);
	188	ok(uctx != NULL, "Create UST context");
	189
	190	ok((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID,
	191	"Validate UST context");
	192	free(uctx);
	193	}
	194
	195	int main(int argc, char **argv)
	196	{
	197	plan_tests(NUM_TESTS);
	198
	199	diag("UST data structures unit test");
	200
	201	test_create_one_ust_session();
	202	test_create_ust_channel();
	203	test_create_ust_event();
	204	test_create_ust_context();
	205	test_create_ust_event_exclusion();
	206
	207	return exit_status();
	208	}