1#include "../src/utils.h"
2#include <signal.h>
3
4static int quit = 0;
5
6static void change_cb(struct nl_cache *cache, struct nl_object *obj,
7		      int action)
8{
9	struct nl_dump_params dp = {
10		.dp_type = NL_DUMP_LINE,
11		.dp_fd = stdout,
12	};
13
14	if (action == NL_ACT_NEW)
15		printf("NEW ");
16	else if (action == NL_ACT_DEL)
17		printf("DEL ");
18	else if (action == NL_ACT_CHANGE)
19		printf("CHANGE ");
20
21	nl_object_dump(obj, &dp);
22}
23
24static void sigint(int arg)
25{
26	quit = 1;
27}
28
29int main(int argc, char *argv[])
30{
31	struct nl_cache_mngr *mngr;
32	struct nl_cache *lc, *nc, *ac, *rc;
33	struct nl_sock *sock;
34	int err;
35
36	signal(SIGINT, sigint);
37
38	sock = nlt_alloc_socket();
39	err = nl_cache_mngr_alloc(sock, NETLINK_ROUTE, NL_AUTO_PROVIDE, &mngr);
40	if (err < 0)
41		fatal(err, "Unable to allocate cache manager: %s",
42		      nl_geterror(err));
43
44	if ((err = nl_cache_mngr_add(mngr, "route/link", &change_cb, &lc)) < 0)
45		fatal(err, "Unable to add cache route/link: %s",
46		      nl_geterror(err));
47
48	if ((err = nl_cache_mngr_add(mngr, "route/neigh", &change_cb, &nc)) < 0)
49		fatal(err, "Unable to add cache route/neigh: %s",
50		      nl_geterror(err));
51
52	if ((err = nl_cache_mngr_add(mngr, "route/addr", &change_cb, &ac)) < 0)
53		fatal(err, "Unable to add cache route/addr: %s",
54		      nl_geterror(err));
55
56	if ((err = nl_cache_mngr_add(mngr, "route/route", &change_cb, &rc)) < 0)
57		fatal(err, "Unable to add cache route/route: %s",
58		      nl_geterror(err));
59
60	while (!quit) {
61		int err = nl_cache_mngr_poll(mngr, 5000);
62		if (err < 0 && err != -NLE_INTR)
63			fatal(err, "Polling failed: %s", nl_geterror(err));
64
65	}
66
67	nl_cache_mngr_free(mngr);
68	nl_socket_free(sock);
69
70	return 0;
71}
72