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nl-link-list.c

/*
 * src/nl-link-dump.c   Dump link attributes
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation version 2.1
 *    of the License.
 *
 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
 */

#if 0
static void print_usage(void)
{
      printf(
      "Usage: nl-link-dump <mode> [<filter>]\n"
      "  mode := { brief | detailed | stats | xml }\n"
      "  filter := [dev DEV] [mtu MTU] [txqlen TXQLEN] [weight WEIGHT] [link LINK]\n"
      "            [master MASTER] [qdisc QDISC] [addr ADDR] [broadcast BRD]\n"
      "            [{ up | down }] [{ arp | noarp }] [{ promisc | nopromisc }]\n"
      "            [{ dynamic | nodynamic }] [{ multicast | nomulticast }]\n"
      "            [{ trailers | notrailers }] [{ allmulticast | noallmulticast }]\n");
      exit(1);
}
#endif

#include <netlink/cli/utils.h>
#include <netlink/cli/link.h>

static void print_usage(void)
{
      printf(
      "Usage: nl-link-list [OPTION]... [Link]\n"
      "\n"
      "Options\n"
      " -f, --format=TYPE     Output format { brief | details | stats }\n"
      " -h, --help            Show this help\n"
      " -v, --version         Show versioning information\n"
      "\n"
      "Link Options\n"
      " -n, --name=NAME link name\n"
      " -i, --index           interface index\n"
      "     --mtu=NUM         MTU value\n"
      "     --txqlen=NUM      TX queue length\n"
      "     --weight=NUM      weight\n"
      );
      exit(0);
}

int main(int argc, char *argv[])
{
      struct nl_sock *sock;
      struct nl_cache *link_cache;
      struct rtnl_link *link;
      struct nl_dump_params params = {
            .dp_type = NL_DUMP_LINE,
            .dp_fd = stdout,
      };

      sock = nl_cli_alloc_socket();
      nl_cli_connect(sock, NETLINK_ROUTE);
      link_cache = nl_cli_link_alloc_cache(sock);
      link = nl_cli_link_alloc();

      for (;;) {
            int c, optidx = 0;
            enum {
                  ARG_FAMILY = 257,
                  ARG_MTU = 258,
                  ARG_TXQLEN,
                  ARG_WEIGHT,
            };
            static struct option long_opts[] = {
                  { "format", 1, 0, 'f' },
                  { "help", 0, 0, 'h' },
                  { "version", 0, 0, 'v' },
                  { "name", 1, 0, 'n' },
                  { "index", 1, 0, 'i' },
                  { "family", 1, 0, ARG_FAMILY },
                  { "mtu", 1, 0, ARG_MTU },
                  { "txqlen", 1, 0, ARG_TXQLEN },
                  { "weight", 1, 0, ARG_WEIGHT },
                  { 0, 0, 0, 0 }
            };

            c = getopt_long(argc, argv, "f:hvn:i:", long_opts, &optidx);
            if (c == -1)
                  break;

            switch (c) {
            case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
            case 'h': print_usage(); break;
            case 'v': nl_cli_print_version(); break;
            case 'n': nl_cli_link_parse_name(link, optarg); break;
            case 'i': nl_cli_link_parse_ifindex(link, optarg); break;
            case ARG_FAMILY: nl_cli_link_parse_family(link, optarg); break;
            case ARG_MTU: nl_cli_link_parse_mtu(link, optarg); break;
            case ARG_TXQLEN: nl_cli_link_parse_txqlen(link, optarg); break;
            case ARG_WEIGHT: nl_cli_link_parse_weight(link, optarg); break;
            }
      }

      nl_cache_dump_filter(link_cache, &params, OBJ_CAST(link));

      return 0;
}

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