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genl-ctrl-get.c

/*
 * src/genl-ctrl-get.c  Dump 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) 2003-2006 Thomas Graf <tgraf@suug.ch>
 */

#include "utils.h"

static void print_usage(void)
{
      printf(
      "Usage: genl-ctrl-dump <mode> [<filter>]\n"
      "  mode := { brief | detailed | stats }\n"
      "  filter := \n");
      exit(1);
}

int main(int argc, char *argv[])
{
      struct nl_handle *nlh;
      struct nl_cache *family_cache;
      struct nl_dump_params params = {
            .dp_fd = stdout,
            .dp_type = NL_DUMP_BRIEF
      };
      int err = 1;

      if (nltool_init(argc, argv) < 0)
            return -1;

      if (argc < 2 || !strcmp(argv[1], "-h"))
            print_usage();

      nlh = nltool_alloc_handle();
      if (!nlh)
            return -1;

      if (genl_connect(nlh) < 0) {
            fprintf(stderr, "Unable to connect generic netlink socket%s\n",
                  nl_geterror());
            goto errout;
      }

      family_cache = nltool_alloc_genl_family_cache(nlh);
      if (!family_cache)
            goto errout;

      params.dp_type = nltool_parse_dumptype(argv[1]);
      if (params.dp_type < 0)
            goto errout;

      //get_filter(link, argc, argv, 2, link_cache);
      nl_cache_dump(family_cache, &params);
      nl_cache_free(family_cache);
      err = 0;
errout:
      nl_close(nlh);
      nl_handle_destroy(nlh);
      return err;
}

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