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- /*
- * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
- #ifndef _CACHE_H__
- #define _CACHE_H__
- #include <libubox/avl.h>
- #include <libubox/list.h>
- #include <libubox/blob.h>
- #include "dns.h"
- #include "interface.h"
- struct cache_service {
- struct avl_node avl;
- const char *entry;
- const char *host;
- uint32_t ttl;
- time_t time;
- struct interface *iface;
- int refresh;
- };
- struct cache_record {
- struct avl_node avl;
- const char *record;
- uint16_t type;
- uint32_t ttl;
- int port;
- const char *txt;
- const uint8_t *rdata;
- uint16_t rdlength;
- time_t time;
- struct interface *iface;
- struct sockaddr_storage from;
- int refresh;
- };
- extern struct avl_tree services;
- extern struct avl_tree records;
- int cache_init(void);
- void cache_update(void);
- void cache_cleanup(struct interface *iface);
- void cache_answer(struct interface *iface, struct sockaddr *from, uint8_t *base,
- int blen, char *name, struct dns_answer *a, uint8_t *rdata,
- int flush);
- int cache_host_is_known(char *record);
- void cache_dump_records(struct blob_buf *buf, const char *name, int array,
- const char **hostname);
- void cache_dump_recursive(struct blob_buf *b, const char *name, uint16_t type, struct interface *iface);
- #endif
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