ucimap-example.c

   1 /*
   2  * ucimap-example - sample code for the ucimap library
   3  * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #include <strings.h>
  15 #include <string.h>
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include <ucimap.h>
  19
  20 struct uci_network {
  21         struct list_head list;
  22
  23         const char *name;
  24         const char *proto;
  25         const char *ifname;
  26         const char *ipaddr;
  27         int test;
  28         bool enabled;
  29 };
  30
  31 static int
  32 network_init_section(struct uci_map *map, void *section, struct uci_section *s)
  33 {
  34         struct uci_network *net = section;
  35
  36         INIT_LIST_HEAD(&net->list);
  37         net->name = s->e.name;
  38         net->test = -1;
  39         return 0;
  40 }
  41
  42 static int
  43 network_add_section(struct uci_map *map, void *section)
  44 {
  45         struct uci_network *net = section;
  46         struct uci_network **nptr = map->priv;
  47
  48         *nptr = net;
  49         return 0;
  50 }
  51
  52 struct uci_optmap network_smap_options[] = {
  53         OPTMAP_OPTION(UCIMAP_STRING, struct uci_network, proto, .data.s.maxlen = 32),
  54         OPTMAP_OPTION(UCIMAP_STRING, struct uci_network, ifname),
  55         OPTMAP_OPTION(UCIMAP_STRING, struct uci_network, ipaddr),
  56         OPTMAP_OPTION(UCIMAP_BOOL, struct uci_network, enabled),
  57         OPTMAP_OPTION(UCIMAP_INT, struct uci_network, test),
  58 };
  59
  60 struct uci_sectmap network_smap[] = {
  61         {
  62                 .type = "interface",
  63                 .options = network_smap_options,
  64                 .alloc_len = sizeof(struct uci_network),
  65                 .init_section = network_init_section,
  66                 .add_section = network_add_section,
  67                 .n_options = ARRAY_SIZE(network_smap_options),
  68         }
  69 };
  70
  71 struct uci_map network_map = {
  72         .sections = network_smap,
  73         .n_sections = ARRAY_SIZE(network_smap),
  74 };
  75
  76
  77 int main(int argc, char **argv)
  78 {
  79         struct uci_context *ctx;
  80         struct uci_package *pkg;
  81         struct uci_network *net = NULL;
  82
  83         ctx = uci_alloc_context();
  84         ucimap_init(&network_map);
  85
  86         uci_load(ctx, "network", &pkg);
  87
  88         network_map.priv = &net;
  89         ucimap_parse(&network_map, pkg);
  90
  91         if (!net)
  92                 goto done;
  93
  94         printf("New network section '%s'\n"
  95                         "       type: %s\n"
  96                         "       ifname: %s\n"
  97                         "       ipaddr: %s\n"
  98                         "       test: %d\n"
  99                         "       enabled: %s\n",
 100                         net->name,
 101                         net->proto,
 102                         net->ifname,
 103                         net->ipaddr,
 104                         net->test,
 105                         (net->enabled ? "on" : "off"));
 106
 107         net->ipaddr = "2.3.4.5";
 108         ucimap_set_changed(net, &net->ipaddr);
 109         ucimap_store_section(&network_map, pkg, net);
 110         uci_save(ctx, pkg);
 111
 112 done:
 113         ucimap_cleanup(&network_map);
 114         uci_free_context(ctx);
 115
 116         return 0;
 117 }