src/nl-neigh-list.c

   1 /*
   2  * src/nl-neigh-list.c      List Neighbours
   3  *
   4  *      This library is free software; you can redistribute it and/or
   5  *      modify it under the terms of the GNU Lesser General Public
   6  *      License as published by the Free Software Foundation version 2.1
   7  *      of the License.
   8  *
   9  * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
  10  */
  11
  12 #include <netlink/cli/utils.h>
  13 #include <netlink/cli/neigh.h>
  14 #include <netlink/cli/link.h>
  15
  16 static void print_usage(void)
  17 {
  18         printf(
  19         "Usage: nl-neigh-list [OPTION]... [NEIGHBOUR]\n"
  20         "\n"
  21         "Options\n"
  22         " -f, --format=TYPE     Output format { brief | details | stats }\n"
  23         " -h, --help            Show this help\n"
  24         " -v, --version         Show versioning information\n"
  25         "\n"
  26         "Neighbour Options\n"
  27         " -a, --addr=ADDR       Destination address of neighbour\n"
  28         " -l, --lladdr=ADDR     Link layer address of neighbour\n"
  29         " -d, --dev=DEV         Device the neighbour is connected to\n"
  30         "     --family=FAMILY   Destination address family\n"
  31         "     --state=STATE     Neighbour state, (default = permanent)\n"
  32         );
  33         exit(0);
  34 }
  35
  36 int main(int argc, char *argv[])
  37 {
  38         struct nl_sock *sock;
  39         struct rtnl_neigh *neigh;
  40         struct nl_cache *link_cache, *neigh_cache;
  41         struct nl_dump_params params = {
  42                 .dp_type = NL_DUMP_LINE,
  43                 .dp_fd = stdout,
  44         };
  45
  46         sock = nl_cli_alloc_socket();
  47         nl_cli_connect(sock, NETLINK_ROUTE);
  48         link_cache = nl_cli_link_alloc_cache(sock);
  49         neigh_cache = nl_cli_neigh_alloc_cache(sock);
  50         neigh = nl_cli_neigh_alloc();
  51
  52         for (;;) {
  53                 int c, optidx = 0;
  54                 enum {
  55                         ARG_FAMILY = 257,
  56                         ARG_STATE = 258,
  57                 };
  58                 static struct option long_opts[] = {
  59                         { "format", 1, 0, 'f' },
  60                         { "help", 0, 0, 'h' },
  61                         { "version", 0, 0, 'v' },
  62                         { "addr", 1, 0, 'a' },
  63                         { "lladdr", 1, 0, 'l' },
  64                         { "dev", 1, 0, 'd' },
  65                         { "family", 1, 0, ARG_FAMILY },
  66                         { "state", 1, 0, ARG_STATE },
  67                         { 0, 0, 0, 0 }
  68                 };
  69
  70                 c = getopt_long(argc, argv, "f:hva:l:d:", long_opts, &optidx);
  71                 if (c == -1)
  72                         break;
  73
  74                 switch (c) {
  75                 case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
  76                 case 'h': print_usage(); break;
  77                 case 'v': nl_cli_print_version(); break;
  78                 case 'a': nl_cli_neigh_parse_dst(neigh, optarg); break;
  79                 case 'l': nl_cli_neigh_parse_lladdr(neigh, optarg); break;
  80                 case 'd': nl_cli_neigh_parse_dev(neigh, link_cache, optarg); break;
  81                 case ARG_FAMILY: nl_cli_neigh_parse_family(neigh, optarg); break;
  82                 case ARG_STATE: nl_cli_neigh_parse_state(neigh, optarg); break;
  83                 }
  84         }
  85
  86         nl_cache_dump_filter(neigh_cache, &params, OBJ_CAST(neigh));
  87
  88         return 0;
  89 }