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

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2014 Lennart Poettering
   6 ***/
   7
   8 #include "af-list.h"
   9 #include "alloc-util.h"
  10 #include "in-addr-util.h"
  11 #include "local-addresses.h"
  12
  13 static void print_local_addresses(struct local_address *a, unsigned n) {
  14         unsigned i;
  15
  16         for (i = 0; i < n; i++) {
  17                 _cleanup_free_ char *b = NULL;
  18
  19                 assert_se(in_addr_to_string(a[i].family, &a[i].address, &b) >= 0);
  20                 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);
  21         }
  22 }
  23
  24 int main(int argc, char *argv[]) {
  25         struct local_address *a;
  26         int n;
  27
  28         log_set_max_level(LOG_DEBUG);
  29         log_parse_environment();
  30         log_open();
  31
  32         a = NULL;
  33         n = local_addresses(NULL, 0, AF_UNSPEC, &a);
  34         assert_se(n >= 0);
  35
  36         printf("Local Addresses:\n");
  37         print_local_addresses(a, (unsigned) n);
  38         a = mfree(a);
  39
  40         n = local_gateways(NULL, 0, AF_UNSPEC, &a);
  41         assert_se(n >= 0);
  42
  43         printf("Local Gateways:\n");
  44         print_local_addresses(a, (unsigned) n);
  45         free(a);
  46
  47         return 0;
  48 }