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test-cache-mngr.c

#include "../src/utils.h"

static void change_cb(struct nl_cache *cache, struct nl_object *obj,
                  int action)
{
      struct nl_dump_params dp = {
            .dp_type = NL_DUMP_BRIEF,
            .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);
}

int main(int argc, char *argv[])
{
      struct nl_cache_mngr *mngr;
      struct nl_cache *lc, *nc, *ac, *rc;
      struct nl_handle *handle;

      nltool_init(argc, argv);

      handle = nltool_alloc_handle();

      mngr = nl_cache_mngr_alloc(handle, NETLINK_ROUTE, NL_AUTO_PROVIDE);
      if (!mngr) {
            nl_perror("nl_cache_mngr_alloc");
            return -1;
      }

      lc = nl_cache_mngr_add(mngr, "route/link", &change_cb);
      if (lc == NULL) {
            nl_perror("nl_cache_mngr_add(route/link");
            return -1;
      }

      nc = nl_cache_mngr_add(mngr, "route/neigh", &change_cb);
      if (nc == NULL) {
            nl_perror("nl_cache_mngr_add(route/neigh");
            return -1;
      }

      ac = nl_cache_mngr_add(mngr, "route/addr", &change_cb);
      if (ac == NULL) {
            nl_perror("nl_cache_mngr_add(route/addr");
            return -1;
      }

      rc = nl_cache_mngr_add(mngr, "route/route", &change_cb);
      if (rc == NULL) {
            nl_perror("nl_cache_mngr_add(route/route");
            return -1;
      }

      for (;;) {
            int err = nl_cache_mngr_poll(mngr, 5000);
            if (err < 0) {
                  nl_perror("nl_cache_mngr_poll()");
                  return -1;
            }

      }

      nl_cache_mngr_free(mngr);

      return 0;
}

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