Check correct attributes when loading service from blob
[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 #include <libubox/blob.h>
20
21 #include "dns.h"
22 #include "interface.h"
23
24 struct cache_service {
25 struct avl_node avl;
26
27 const char *entry;
28 const char *host;
29 uint32_t ttl;
30 time_t time;
31 struct interface *iface;
32 int refresh;
33 };
34
35 struct cache_record {
36 struct avl_node avl;
37
38 const char *record;
39 uint16_t type;
40 uint32_t ttl;
41 int port;
42 const char *txt;
43 const uint8_t *rdata;
44 uint16_t rdlength;
45 time_t time;
46 struct interface *iface;
47 };
48
49 extern struct avl_tree services;
50
51 int cache_init(void);
52 void cache_scan(void);
53 void cache_cleanup(struct interface *iface);
54 void cache_answer(struct interface *iface, uint8_t *base, int blen,
55 char *name, struct dns_answer *a, uint8_t *rdata, int flush);
56 int cache_host_is_known(char *record);
57 char *cache_lookup_name(const char *key);
58 void cache_dump_records(struct blob_buf *buf, const char *name);
59 void cache_dump_recursive(struct blob_buf *b, const char *name, uint16_t type, struct interface *iface);
60
61 #endif