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#include "../src/utils.h"
#include <signal.h>
static int quit = 0;
static void change_cb(struct nl_cache *cache, struct nl_object *obj,
int action)
{
struct nl_dump_params dp = {
.dp_type = NL_DUMP_LINE,
.dp_fd = stdout,
};
if (action == NL_ACT_NEW)
printf("NEW ");
else if (action == NL_ACT_DEL)
printf("DEL ");
else if (action == NL_ACT_CHANGE)
printf("CHANGE ");
nl_object_dump(obj, &dp);
}
static void sigint(int arg)
{
quit = 1;
}
int main(int argc, char *argv[])
{
struct nl_cache_mngr *mngr;
struct nl_cache *lc, *nc, *ac, *rc;
struct nl_sock *sock;
int err;
signal(SIGINT, sigint);
sock = nlt_alloc_socket();
err = nl_cache_mngr_alloc(sock, NETLINK_ROUTE, NL_AUTO_PROVIDE, &mngr);
if (err < 0)
fatal(err, "Unable to allocate cache manager: %s",
nl_geterror(err));
if ((err = nl_cache_mngr_add(mngr, "route/link", &change_cb, &lc)) < 0)
fatal(err, "Unable to add cache route/link: %s",
nl_geterror(err));
if ((err = nl_cache_mngr_add(mngr, "route/neigh", &change_cb, &nc)) < 0)
fatal(err, "Unable to add cache route/neigh: %s",
nl_geterror(err));
if ((err = nl_cache_mngr_add(mngr, "route/addr", &change_cb, &ac)) < 0)
fatal(err, "Unable to add cache route/addr: %s",
nl_geterror(err));
if ((err = nl_cache_mngr_add(mngr, "route/route", &change_cb, &rc)) < 0)
fatal(err, "Unable to add cache route/route: %s",
nl_geterror(err));
while (!quit) {
int err = nl_cache_mngr_poll(mngr, 5000);
if (err < 0 && err != -NLE_INTR)
fatal(err, "Polling failed: %s", nl_geterror(err));
}
nl_cache_mngr_free(mngr);
nl_socket_free(sock);
return 0;
}
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