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genl-ctrl-list.c

/*
 * src/genl-ctrl-list.c List Generic Netlink Controller
 *
 *    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>
 */

#include <netlink/cli/utils.h>

static struct nl_cache *alloc_genl_family_cache(struct nl_sock *sk)
{
      return nl_cli_alloc_cache(sk, "generic netlink family",
                     genl_ctrl_alloc_cache);
}

static void print_usage(void)
{
      printf(
      "Usage: genl-ctrl-list [OPTION]...\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"
      );
      exit(0);
}

int main(int argc, char *argv[])
{
      struct nl_sock *sock;
      struct nl_cache *family_cache;
      struct nl_dump_params params = {
            .dp_type = NL_DUMP_LINE,
            .dp_fd = stdout,
      };
 
      sock = nl_cli_alloc_socket();
      nl_cli_connect(sock, NETLINK_GENERIC);
      family_cache = alloc_genl_family_cache(sock);
 
      for (;;) {
            int c, optidx = 0;
            static struct option long_opts[] = {
                  { "format", 1, 0, 'f' },
                  { "help", 0, 0, 'h' },
                  { "version", 0, 0, 'v' },
                  { 0, 0, 0, 0 }
            };
      
            c = getopt_long(argc, argv, "f:hv", 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;
            }
      }

      nl_cache_dump(family_cache, &params);

      return 0;
}

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