ucimap-example: make data structures static
[project/uci.git] / 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 list_head ifs;
21
22 struct uci_network {
23 struct list_head list;
24 struct list_head alias;
25
26 const char *name;
27 const char *proto;
28 const char *ifname;
29 const char *ipaddr;
30 int test;
31 bool enabled;
32 struct list_head aliases;
33 };
34
35 struct uci_alias {
36 struct list_head list;
37
38 const char *name;
39 struct uci_network *interface;
40 };
41
42 static int
43 network_init_interface(struct uci_map *map, void *section, struct uci_section *s)
44 {
45 struct uci_network *net = section;
46
47 INIT_LIST_HEAD(&net->list);
48 INIT_LIST_HEAD(&net->alias);
49 net->name = s->e.name;
50 net->test = -1;
51 return 0;
52 }
53
54 static int
55 network_init_alias(struct uci_map *map, void *section, struct uci_section *s)
56 {
57 struct uci_alias *alias = section;
58
59 INIT_LIST_HEAD(&alias->list);
60 alias->name = s->e.name;
61 return 0;
62 }
63
64 static int
65 network_add_interface(struct uci_map *map, void *section)
66 {
67 struct uci_network *net = section;
68
69 list_add(&net->list, &ifs);
70
71 return 0;
72 }
73
74 static int
75 network_add_alias(struct uci_map *map, void *section)
76 {
77 struct uci_alias *a = section;
78
79 if (a->interface)
80 list_add(&a->list, &a->interface->alias);
81
82 return 0;
83 }
84
85 static struct uci_sectmap network_interface;
86 static struct uci_sectmap network_alias;
87
88 static struct uci_optmap network_interface_options[] = {
89 OPTMAP_OPTION(UCIMAP_STRING, struct uci_network, proto, .data.s.maxlen = 32),
90 OPTMAP_OPTION(UCIMAP_STRING, struct uci_network, ifname),
91 OPTMAP_OPTION(UCIMAP_STRING, struct uci_network, ipaddr),
92 OPTMAP_OPTION(UCIMAP_BOOL, struct uci_network, enabled),
93 OPTMAP_OPTION(UCIMAP_INT, struct uci_network, test),
94 OPTMAP_OPTION(UCIMAP_LIST | UCIMAP_SECTION, struct uci_network, aliases, .data.sm = &network_alias),
95 };
96
97 static struct uci_sectmap network_interface = {
98 .type = "interface",
99 .options = network_interface_options,
100 .alloc_len = sizeof(struct uci_network),
101 .init_section = network_init_interface,
102 .add_section = network_add_interface,
103 .n_options = ARRAY_SIZE(network_interface_options),
104 };
105
106 static struct uci_optmap network_alias_options[] = {
107 OPTMAP_OPTION(UCIMAP_SECTION, struct uci_alias, interface, .data.sm = &network_interface),
108 };
109
110 static struct uci_sectmap network_alias = {
111 .type = "alias",
112 .options = network_alias_options,
113 .alloc_len = sizeof(struct uci_network),
114 .init_section = network_init_alias,
115 .add_section = network_add_alias,
116 .n_options = ARRAY_SIZE(network_alias_options),
117 };
118
119 static struct uci_sectmap *network_smap[] = {
120 &network_interface,
121 &network_alias,
122 };
123
124 static struct uci_map network_map = {
125 .sections = network_smap,
126 .n_sections = ARRAY_SIZE(network_smap),
127 };
128
129
130 int main(int argc, char **argv)
131 {
132 struct uci_context *ctx;
133 struct uci_package *pkg;
134 struct list_head *p, *p2;
135 struct uci_network *net;
136 struct uci_alias *alias;
137
138 INIT_LIST_HEAD(&ifs);
139 ctx = uci_alloc_context();
140 ucimap_init(&network_map);
141
142 uci_load(ctx, "network", &pkg);
143
144 ucimap_parse(&network_map, pkg);
145
146 list_for_each(p, &ifs) {
147 net = list_entry(p, struct uci_network, list);
148 printf("New network section '%s'\n"
149 " type: %s\n"
150 " ifname: %s\n"
151 " ipaddr: %s\n"
152 " test: %d\n"
153 " enabled: %s\n",
154 net->name,
155 net->proto,
156 net->ifname,
157 net->ipaddr,
158 net->test,
159 (net->enabled ? "on" : "off"));
160
161 list_for_each(p2, &net->aliases) {
162 struct uci_listmap *li = list_entry(p2, struct uci_listmap, list);
163 alias = li->data.section;
164 printf("New alias: %s\n", alias->name);
165 }
166 #if 0
167 net->ipaddr = "2.3.4.5";
168 ucimap_set_changed(net, &net->ipaddr);
169 ucimap_store_section(&network_map, pkg, net);
170 uci_save(ctx, pkg);
171 #endif
172 }
173
174
175 done:
176 ucimap_cleanup(&network_map);
177 uci_free_context(ctx);
178
179 return 0;
180 }