src/libsystemd/sd-netlink/test-local-addresses.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3 ***/
   4
   5 #include "af-list.h"
   6 #include "alloc-util.h"
   7 #include "in-addr-util.h"
   8 #include "local-addresses.h"
   9
  10 static void print_local_addresses(struct local_address *a, unsigned n) {
  11         unsigned i;
  12
  13         for (i = 0; i < n; i++) {
  14                 _cleanup_free_ char *b = NULL;
  15
  16                 assert_se(in_addr_to_string(a[i].family, &a[i].address, &b) >= 0);
  17                 printf("%s if%i scope=%i metric=%u address=%s\n", af_to_name(a[i].family), a[i].ifindex, a[i].scope, a[i].metric, b);
  18         }
  19 }
  20
  21 int main(int argc, char *argv[]) {
  22         struct local_address *a;
  23         int n;
  24
  25         log_set_max_level(LOG_DEBUG);
  26         log_parse_environment();
  27         log_open();
  28
  29         a = NULL;
  30         n = local_addresses(NULL, 0, AF_UNSPEC, &a);
  31         assert_se(n >= 0);
  32
  33         printf("Local Addresses:\n");
  34         print_local_addresses(a, (unsigned) n);
  35         a = mfree(a);
  36
  37         n = local_gateways(NULL, 0, AF_UNSPEC, &a);
  38         assert_se(n >= 0);
  39
  40         printf("Local Gateways:\n");
  41         print_local_addresses(a, (unsigned) n);
  42         free(a);
  43
  44         return 0;
  45 }