1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Embedded Linux library
* Copyright (C) 2019 Intel Corporation
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <stdint.h>
#include <stdbool.h>
#include <signal.h>
#include <ell/ell.h>
static void do_debug(const char *str, void *user_data)
{
const char *prefix = user_data;
l_info("%s%s", prefix, str);
}
static void signal_handler(uint32_t signo, void *user_data)
{
switch (signo) {
case SIGINT:
case SIGTERM:
l_main_quit();
break;
}
}
static void family_requested(const struct l_genl_family_info *info,
void *user_data)
{
char **groups;
char *groupstr;
if (info == NULL) {
l_info("Family request failed");
goto done;
}
l_info("Appeared: Family: %s(%u) Version: %u",
l_genl_family_info_get_name(info),
l_genl_family_info_get_id(info),
l_genl_family_info_get_version(info));
groups = l_genl_family_info_get_groups(info);
groupstr = l_strjoinv(groups, ',');
l_strfreev(groups);
l_info("\tMulticast Groups: %s", groupstr);
l_free(groupstr);
done:
l_main_quit();
}
static void usage(const char *bin)
{
printf("%s - genl family autoload utility\n\n", bin);
printf("Usage: %s <family_name>\n"
" <family_name> - Name of the family to request\n",
bin);
}
int main(int argc, char *argv[])
{
struct l_genl *genl;
if (argc != 2) {
usage(argv[0]);
return -1;
}
if (!l_main_init())
return -1;
l_log_set_stderr();
genl = l_genl_new();
if (getenv("GENL_DEBUG"))
l_genl_set_debug(genl, do_debug, "[GENL] ", NULL);
if (!l_genl_request_family(genl, argv[1],
family_requested, NULL, NULL)) {
l_info("Unable to request family: %s", argv[1]);
goto done;
}
l_main_run_with_signal(signal_handler, NULL);
done:
l_genl_unref(genl);
l_main_exit();
return 0;
}
|
