1/*
2 * Copyright (C) 2012-2013  ProFUSION embedded systems
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include <errno.h>
19#include <inttypes.h>
20#include <stddef.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24#include <unistd.h>
25
26#include <libkmod/libkmod.h>
27
28#include "testsuite.h"
29
30static int loaded_1(const struct test *t)
31{
32	struct kmod_ctx *ctx;
33	const char *null_config = NULL;
34	struct kmod_list *list, *itr;
35	int err;
36
37	ctx = kmod_new(NULL, &null_config);
38	if (ctx == NULL)
39		exit(EXIT_FAILURE);
40
41	err = kmod_module_new_from_loaded(ctx, &list);
42	if (err < 0) {
43		fprintf(stderr, "%s\n", strerror(-err));
44		kmod_unref(ctx);
45		exit(EXIT_FAILURE);
46	}
47
48	printf("Module                  Size  Used by\n");
49
50	kmod_list_foreach(itr, list) {
51		struct kmod_module *mod = kmod_module_get_module(itr);
52		const char *name = kmod_module_get_name(mod);
53		int use_count = kmod_module_get_refcnt(mod);
54		long size = kmod_module_get_size(mod);
55		struct kmod_list *holders, *hitr;
56		int first = 1;
57
58		printf("%-19s %8ld  %d ", name, size, use_count);
59		holders = kmod_module_get_holders(mod);
60		kmod_list_foreach(hitr, holders) {
61			struct kmod_module *hm = kmod_module_get_module(hitr);
62
63			if (!first)
64				putchar(',');
65			else
66				first = 0;
67
68			fputs(kmod_module_get_name(hm), stdout);
69			kmod_module_unref(hm);
70		}
71		putchar('\n');
72		kmod_module_unref_list(holders);
73		kmod_module_unref(mod);
74	}
75	kmod_module_unref_list(list);
76
77	kmod_unref(ctx);
78
79	return EXIT_SUCCESS;
80}
81DEFINE_TEST(loaded_1,
82	.description = "check if list of module is created",
83	.config = {
84		[TC_ROOTFS] = TESTSUITE_ROOTFS "test-loaded/",
85	},
86	.need_spawn = true,
87	.output = {
88		.out = TESTSUITE_ROOTFS "test-loaded/correct.txt",
89	});
90
91TESTSUITE_MAIN();
92