[thirdparty/kmod.git] / testsuite / test-loaded.c

/*
 * Copyright (C) 2012  ProFUSION embedded systems
 *
 * 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
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <errno.h>
#include <unistd.h>
#include <inttypes.h>
#include <string.h>
#include <libkmod.h>

#include "testsuite.h"

static int loaded_1(const struct test *t)
{
	struct kmod_ctx *ctx;
	const char *null_config = NULL;
	struct kmod_list *list, *itr;
	int err;

	ctx = kmod_new(NULL, &null_config);
	if (ctx == NULL)
		exit(EXIT_FAILURE);

	err = kmod_module_new_from_loaded(ctx, &list);
	if (err < 0) {
		fprintf(stderr, "%s\n", strerror(-err));
		kmod_unref(ctx);
		exit(EXIT_FAILURE);
	}

	printf("Module                  Size  Used by\n");

	kmod_list_foreach(itr, list) {
		struct kmod_module *mod = kmod_module_get_module(itr);
		const char *name = kmod_module_get_name(mod);
		int use_count = kmod_module_get_refcnt(mod);
		long size = kmod_module_get_size(mod);
		struct kmod_list *holders, *hitr;
		int first = 1;

		printf("%-19s %8ld  %d ", name, size, use_count);
		holders = kmod_module_get_holders(mod);
		kmod_list_foreach(hitr, holders) {
			struct kmod_module *hm = kmod_module_get_module(hitr);

			if (!first)
				putchar(',');
			else
				first = 0;

			fputs(kmod_module_get_name(hm), stdout);
			kmod_module_unref(hm);
		}
		putchar('\n');
		kmod_module_unref_list(holders);
		kmod_module_unref(mod);
	}
	kmod_module_unref_list(list);

	kmod_unref(ctx);

	return EXIT_SUCCESS;
}
static DEFINE_TEST(loaded_1,
	.description = "check if list of module is created",
	.config = {
		[TC_ROOTFS] = TESTSUITE_ROOTFS "test-loaded/",
	},
	.need_spawn = true,
	.output = {
		.stdout = TESTSUITE_ROOTFS "test-loaded/correct.txt",
	});

static const struct test *tests[] = {
	&sloaded_1,
	NULL,
};

TESTSUITE_MAIN(tests);
Commit	Line	Data
e701e381 LDM	1	/*
	2	* Copyright (C) 2012 ProFUSION embedded systems
	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	* the Free Software Foundation, either version 2 of the License, or
	7	* (at your option) any later version.
	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
	15	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	16	*/
	17
61e9433f LDM	18	#include <stdio.h>
	19	#include <stdlib.h>
	20	#include <stddef.h>
	21	#include <errno.h>
	22	#include <unistd.h>
	23	#include <inttypes.h>
	24	#include <string.h>
	25	#include <libkmod.h>
	26
	27	#include "testsuite.h"
	28
	29	static int loaded_1(const struct test *t)
	30	{
	31	struct kmod_ctx *ctx;
	32	const char *null_config = NULL;
	33	struct kmod_list list, itr;
	34	int err;
	35
	36	ctx = kmod_new(NULL, &null_config);
	37	if (ctx == NULL)
	38	exit(EXIT_FAILURE);
	39
	40	err = kmod_module_new_from_loaded(ctx, &list);
	41	if (err < 0) {
	42	fprintf(stderr, "%s\n", strerror(-err));
	43	kmod_unref(ctx);
	44	exit(EXIT_FAILURE);
	45	}
	46
	47	printf("Module Size Used by\n");
	48
	49	kmod_list_foreach(itr, list) {
	50	struct kmod_module *mod = kmod_module_get_module(itr);
	51	const char *name = kmod_module_get_name(mod);
	52	int use_count = kmod_module_get_refcnt(mod);
	53	long size = kmod_module_get_size(mod);
	54	struct kmod_list holders, hitr;
	55	int first = 1;
	56
	57	printf("%-19s %8ld %d ", name, size, use_count);
	58	holders = kmod_module_get_holders(mod);
	59	kmod_list_foreach(hitr, holders) {
	60	struct kmod_module *hm = kmod_module_get_module(hitr);
	61
	62	if (!first)
	63	putchar(',');
	64	else
	65	first = 0;
	66
	67	fputs(kmod_module_get_name(hm), stdout);
	68	kmod_module_unref(hm);
	69	}
	70	putchar('\n');
	71	kmod_module_unref_list(holders);
	72	kmod_module_unref(mod);
	73	}
	74	kmod_module_unref_list(list);
	75
	76	kmod_unref(ctx);
	77
	78	return EXIT_SUCCESS;
	79	}
c5d81989	80	static DEFINE_TEST(loaded_1,
61e9433f	81	.description = "check if list of module is created",
61e9433f LDM	82	.config = {
	83	[TC_ROOTFS] = TESTSUITE_ROOTFS "test-loaded/",
	84	},
	85	.need_spawn = true,
	86	.output = {
	87	.stdout = TESTSUITE_ROOTFS "test-loaded/correct.txt",
c5d81989	88	});
61e9433f LDM	89
	90	static const struct test *tests[] = {
	91	&sloaded_1,
	92	NULL,
	93	};
	94
e9fa9de3	95	TESTSUITE_MAIN(tests);