tools/gen_yang_deviations.c

   1 /*
   2  * Copyright (C) 2018  NetDEF, Inc.
   3  *                     Renato Westphal
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the Free
   7  * Software Foundation; either version 2 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; see the file COPYING; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #define REALLY_NEED_PLAIN_GETOPT 1
  21
  22 #include <zebra.h>
  23
  24 #include <unistd.h>
  25
  26 #include "yang.h"
  27 #include "northbound.h"
  28
  29 static void __attribute__((noreturn)) usage(int status)
  30 {
  31         fprintf(stderr, "usage: gen_yang_deviations [-h] MODULE\n");
  32         exit(status);
  33 }
  34
  35 static int generate_yang_deviation(const struct lys_node *snode, void *arg)
  36 {
  37         char xpath[XPATH_MAXLEN];
  38
  39         yang_snode_get_path(snode, YANG_PATH_SCHEMA, xpath, sizeof(xpath));
  40
  41         printf("  deviation \"%s\" {\n", xpath);
  42         printf("    deviate not-supported;\n");
  43         printf("  }\n\n");
  44
  45         return YANG_ITER_CONTINUE;
  46 }
  47
  48 int main(int argc, char *argv[])
  49 {
  50         struct yang_module *module;
  51         int opt;
  52
  53         while ((opt = getopt(argc, argv, "h")) != -1) {
  54                 switch (opt) {
  55                 case 'h':
  56                         usage(EXIT_SUCCESS);
  57                         /* NOTREACHED */
  58                 default:
  59                         usage(EXIT_FAILURE);
  60                         /* NOTREACHED */
  61                 }
  62         }
  63         argc -= optind;
  64         argv += optind;
  65         if (argc != 1)
  66                 usage(EXIT_FAILURE);
  67
  68         yang_init();
  69
  70         /* Load YANG module. */
  71         module = yang_module_load(argv[0]);
  72
  73         /* Generate deviations. */
  74         yang_snodes_iterate_module(module->info, generate_yang_deviation,
  75                                    YANG_ITER_FILTER_IMPLICIT, NULL);
  76
  77         /* Cleanup and exit. */
  78         yang_terminate();
  79
  80         return 0;
  81 }