2 * ucimap-example - sample code for the ucimap library
3 * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
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
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.
23 struct ucimap_section_data map;
24 struct list_head list;
25 struct list_head alias;
30 unsigned char ipaddr[4];
33 struct ucimap_list *aliases;
37 struct ucimap_section_data map;
38 struct list_head list;
41 struct uci_network *interface;
45 network_parse_ip(void *section, struct uci_optmap *om, union ucimap_data *data, const char *str)
47 struct uci_network *net = section;
48 unsigned char *target = (unsigned char *) data->s;
52 if (sscanf(str, "%d.%d.%d.%d", &tmp[0], &tmp[1], &tmp[2], &tmp[3]) != 4)
55 for (i = 0; i < 4; i++)
56 target[i] = (char) tmp[i];
62 network_format_ip(void *sction, struct uci_optmap *om, union ucimap_data *data, char **str)
65 unsigned char *ip = (unsigned char *) data->s;
67 sprintf(buf, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
74 network_init_interface(struct uci_map *map, void *section, struct uci_section *s)
76 struct uci_network *net = section;
78 INIT_LIST_HEAD(&net->list);
79 INIT_LIST_HEAD(&net->alias);
80 net->name = s->e.name;
86 network_init_alias(struct uci_map *map, void *section, struct uci_section *s)
88 struct uci_alias *alias = section;
90 INIT_LIST_HEAD(&alias->list);
91 alias->name = s->e.name;
96 network_add_interface(struct uci_map *map, void *section)
98 struct uci_network *net = section;
100 list_add(&net->list, &ifs);
106 network_add_alias(struct uci_map *map, void *section)
108 struct uci_alias *a = section;
111 list_add(&a->list, &a->interface->alias);
116 static struct ucimap_section_data *
117 network_allocate(struct uci_map *map, struct uci_sectionmap *sm, struct uci_section *s)
119 struct uci_network *p = malloc(sizeof(struct uci_network));
120 memset(p, 0, sizeof(struct uci_network));
125 struct uci_optmap map;
129 static struct uci_sectionmap network_interface;
130 static struct uci_sectionmap network_alias;
132 static struct my_optmap network_interface_options[] = {
135 UCIMAP_OPTION(struct uci_network, proto),
136 .type = UCIMAP_STRING,
143 UCIMAP_OPTION(struct uci_network, ifname),
144 .type = UCIMAP_STRING,
150 UCIMAP_OPTION(struct uci_network, ipaddr),
151 .type = UCIMAP_CUSTOM,
153 .parse = network_parse_ip,
154 .format = network_format_ip,
159 UCIMAP_OPTION(struct uci_network, enabled),
166 UCIMAP_OPTION(struct uci_network, test),
173 UCIMAP_OPTION(struct uci_network, aliases),
174 .type = UCIMAP_LIST | UCIMAP_SECTION,
175 .data.sm = &network_alias
180 static struct uci_sectionmap network_interface = {
181 UCIMAP_SECTION(struct uci_network, map),
183 .alloc = network_allocate,
184 .init = network_init_interface,
185 .add = network_add_interface,
186 .options = &network_interface_options[0].map,
187 .n_options = ARRAY_SIZE(network_interface_options),
188 .options_size = sizeof(struct my_optmap)
191 static struct uci_optmap network_alias_options[] = {
193 UCIMAP_OPTION(struct uci_alias, interface),
194 .type = UCIMAP_SECTION,
195 .data.sm = &network_interface
199 static struct uci_sectionmap network_alias = {
200 UCIMAP_SECTION(struct uci_alias, map),
202 .options = network_alias_options,
203 .init = network_init_alias,
204 .add = network_add_alias,
205 .n_options = ARRAY_SIZE(network_alias_options),
208 static struct uci_sectionmap *network_smap[] = {
213 static struct uci_map network_map = {
214 .sections = network_smap,
215 .n_sections = ARRAY_SIZE(network_smap),
219 int main(int argc, char **argv)
221 struct uci_context *ctx;
222 struct uci_package *pkg;
223 struct list_head *p, *p2;
224 struct uci_network *net;
225 struct uci_alias *alias;
228 INIT_LIST_HEAD(&ifs);
229 ctx = uci_alloc_context();
230 ucimap_init(&network_map);
232 uci_load(ctx, "network", &pkg);
234 ucimap_parse(&network_map, pkg);
236 list_for_each(p, &ifs) {
237 net = list_entry(p, struct uci_network, list);
238 printf("New network section '%s'\n"
241 " ipaddr: %d.%d.%d.%d\n"
247 net->ipaddr[0], net->ipaddr[1],
248 net->ipaddr[2], net->ipaddr[3],
250 (net->enabled ? "on" : "off"));
252 for (i = 0; i < net->aliases->n_items; i++) {
253 alias = net->aliases->item[i].section;
254 printf("New alias: %s\n", alias->name);
257 memcpy(net->ipaddr, "\x01\x03\x04\x05", 4);
258 ucimap_set_changed(&net->map, &net->ipaddr);
259 ucimap_store_section(&network_map, pkg, &net->map);
266 ucimap_cleanup(&network_map);
267 uci_free_context(ctx);