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Add prefetch domain feature

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This commit is contained in:
Nick Peng
2018-08-18 23:56:59 +08:00
parent 1b19dfcd42
commit 92956e9bd3
8 changed files with 195 additions and 26 deletions
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11
src/dns_cache.h
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@@ -11,6 +11,7 @@
struct dns_cache {
struct hlist_node node;
struct list_head list;
struct list_head check_list;
atomic_t ref;
char domain[DNS_MAX_CNAME_LEN];
char cname[DNS_MAX_CNAME_LEN];
@@ -27,17 +28,23 @@ struct dns_cache {
int dns_cache_init(int size);
int dns_cache_replace(char *domain, char *cname, int cname_ttl, int ttl, dns_type_t qtype, unsigned char *addr, int addr_len);
int dns_cache_insert(char *domain, char *cname, int cname_ttl, int ttl, dns_type_t qtype, unsigned char *addr, int addr_len);
struct dns_cache *dns_cache_get(char *domain, dns_type_t qtype);
struct dns_cache *dns_cache_lookup(char *domain, dns_type_t qtype);
void dns_cache_delete(struct dns_cache *dns_cache);
void dns_cache_get(struct dns_cache *dns_cache);
void dns_cache_release(struct dns_cache *dns_cache);
void dns_cache_update(struct dns_cache *dns_cache);
void dns_cache_invalidate(void);
typedef void dns_cache_preinvalid_callback(struct dns_cache *dns_cache);
void dns_cache_invalidate(dns_cache_preinvalid_callback callback, int ttl_pre);
int dns_cache_get_ttl(struct dns_cache *dns_cache);