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cache: support expired domain prefetch

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This commit is contained in:
Nick Peng
2022-06-12 19:17:10 +08:00
parent 995bee4088
commit 1873a0c336
4 changed files with 120 additions and 33 deletions
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8
src/dns_cache.h
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@@ -85,6 +85,7 @@ struct dns_cache_info {
int speed;
int hitnum_update_add;
time_t insert_time;
time_t replace_time;
dns_type_t qtype;
};
@@ -124,6 +125,8 @@ int dns_cache_init(int size, int enable_inactive, int inactive_list_expired);
int dns_cache_replace(char *domain, int ttl, dns_type_t qtype, int speed, struct dns_cache_data *cache_data);
int dns_cache_replace_inactive(char *domain, int ttl, dns_type_t qtype, int speed, struct dns_cache_data *cache_data);
int dns_cache_insert(char *domain, int ttl, dns_type_t qtype, int speed, struct dns_cache_data *cache_data);
struct dns_cache *dns_cache_lookup(char *domain, dns_type_t qtype);
@@ -138,9 +141,10 @@ int dns_cache_hitnum_dec_get(struct dns_cache *dns_cache);
void dns_cache_update(struct dns_cache *dns_cache);
typedef void dns_cache_preinvalid_callback(struct dns_cache *dns_cache);
typedef void dns_cache_callback(struct dns_cache *dns_cache);
void dns_cache_invalidate(dns_cache_preinvalid_callback callback, int ttl_pre);
void dns_cache_invalidate(dns_cache_callback precallback, int ttl_pre, dns_cache_callback inactive_precallback,
int ttl_inactive_pre);
int dns_cache_get_ttl(struct dns_cache *dns_cache);