| #include <netlink/netlink.h> |
| #include <netlink/cache.h> |
| #include <netlink/cli/utils.h> |
| #include <signal.h> |
| |
| #include <netlink-private/cache-api.h> |
| |
| #include <linux/netlink.h> |
| |
| static int quit = 0; |
| |
| static struct nl_dump_params dp = { |
| .dp_type = NL_DUMP_LINE, |
| }; |
| |
| |
| static void change_cb(struct nl_cache *cache, struct nl_object *obj, |
| int action, void *data) |
| { |
| 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 *cache; |
| int err, i; |
| |
| dp.dp_fd = stdout; |
| |
| signal(SIGINT, sigint); |
| |
| err = nl_cache_mngr_alloc(NULL, NETLINK_ROUTE, NL_AUTO_PROVIDE, &mngr); |
| if (err < 0) |
| nl_cli_fatal(err, "Unable to allocate cache manager: %s", |
| nl_geterror(err)); |
| |
| for (i = 1; i < argc; i++) { |
| err = nl_cache_mngr_add(mngr, argv[i], &change_cb, NULL, &cache); |
| if (err < 0) |
| nl_cli_fatal(err, "Unable to add cache %s: %s", |
| argv[i], nl_geterror(err)); |
| } |
| |
| while (!quit) { |
| int err = nl_cache_mngr_poll(mngr, 1000); |
| if (err < 0 && err != -NLE_INTR) |
| nl_cli_fatal(err, "Polling failed: %s", nl_geterror(err)); |
| |
| nl_cache_mngr_info(mngr, &dp); |
| } |
| |
| nl_cache_mngr_free(mngr); |
| |
| return 0; |
| } |