store ip address as struct in_addr instead of a string
[project/mdnsd.git] / cache.h
1 /*
2 * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14 #ifndef _CACHE_H__
15 #define _CACHE_H__
16
17 #include <libubox/avl.h>
18 #include <libubox/list.h>
19
20 #include "dns.h"
21
22 struct cache_entry {
23 struct avl_node avl;
24
25 const char *entry;
26 const char *host;
27 uint32_t ttl;
28 time_t time;
29 };
30
31 struct cache_record {
32 struct avl_node avl;
33
34 const char *record;
35 uint16_t type;
36 uint32_t ttl;
37 int port;
38 const char *txt;
39 const uint8_t *rdata;
40 uint16_t rdlength;
41 time_t time;
42 };
43
44 extern struct avl_tree records, entries;
45
46 extern int cache_init(void);
47 extern void cache_scan(void);
48 extern void cache_cleanup(void);
49 extern void cache_answer(struct interface *iface, uint8_t *base, int blen,
50 char *name, struct dns_answer *a, uint8_t *rdata);
51 extern int cache_host_is_known(char *record);
52 extern char* cache_lookup_name(const char *key);
53
54 #endif