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conf: support disable expired cache on specific domain.

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This commit is contained in:
Nick Peng
2022-12-18 22:33:01 +08:00
committed by Nick Peng
parent 4b42e1ef85
commit 70df7938f3
13 changed files with 87 additions and 21 deletions
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18
src/dns_cache.c
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@@ -245,7 +245,7 @@ struct dns_cache_data *dns_cache_new_data_packet(void *packet, size_t packet_len
return (struct dns_cache_data *)cache_packet;
}
static int _dns_cache_replace(struct dns_cache_key *cache_key, int ttl, int speed, int inactive,
static int _dns_cache_replace(struct dns_cache_key *cache_key, int ttl, int speed, int no_inactive, int inactive,
struct dns_cache_data *cache_data)
{
struct dns_cache *dns_cache = NULL;
@@ -258,7 +258,7 @@ static int _dns_cache_replace(struct dns_cache_key *cache_key, int ttl, int spee
/* lookup existing cache */
dns_cache = dns_cache_lookup(cache_key);
if (dns_cache == NULL) {
return dns_cache_insert(cache_key, ttl, speed, cache_data);
return dns_cache_insert(cache_key, ttl, speed, no_inactive, cache_data);
}
if (ttl < DNS_CACHE_TTL_MIN) {
@@ -273,6 +273,7 @@ static int _dns_cache_replace(struct dns_cache_key *cache_key, int ttl, int spee
dns_cache->info.query_flag = cache_key->query_flag;
dns_cache->info.ttl = ttl;
dns_cache->info.speed = speed;
dns_cache->info.no_inactive = no_inactive;
old_cache_data = dns_cache->cache_data;
dns_cache->cache_data = cache_data;
list_del_init(&dns_cache->list);
@@ -293,14 +294,14 @@ static int _dns_cache_replace(struct dns_cache_key *cache_key, int ttl, int spee
return 0;
}
int dns_cache_replace(struct dns_cache_key *cache_key, int ttl, int speed, struct dns_cache_data *cache_data)
int dns_cache_replace(struct dns_cache_key *cache_key, int ttl, int speed, int no_inactive, struct dns_cache_data *cache_data)
{
return _dns_cache_replace(cache_key, ttl, speed, 0, cache_data);
return _dns_cache_replace(cache_key, ttl, speed, no_inactive, 0, cache_data);
}
int dns_cache_replace_inactive(struct dns_cache_key *cache_key, int ttl, int speed, struct dns_cache_data *cache_data)
int dns_cache_replace_inactive(struct dns_cache_key *cache_key, int ttl, int speed, int no_inactive, struct dns_cache_data *cache_data)
{
return _dns_cache_replace(cache_key, ttl, speed, 1, cache_data);
return _dns_cache_replace(cache_key, ttl, speed, no_inactive, 1, cache_data);
}
static void _dns_cache_remove_by_domain(struct dns_cache_key *cache_key)
@@ -390,7 +391,7 @@ errout:
return -1;
}
int dns_cache_insert(struct dns_cache_key *cache_key, int ttl, int speed, struct dns_cache_data *cache_data)
int dns_cache_insert(struct dns_cache_key *cache_key, int ttl, int speed, int no_inactive, struct dns_cache_data *cache_data)
{
struct dns_cache_info info;
@@ -415,6 +416,7 @@ int dns_cache_insert(struct dns_cache_key *cache_key, int ttl, int speed, struct
info.ttl = ttl;
info.hitnum_update_add = DNS_CACHE_HITNUM_STEP;
info.speed = speed;
info.no_inactive = no_inactive;
time(&info.insert_time);
time(&info.replace_time);
@@ -663,7 +665,7 @@ void dns_cache_invalidate(dns_cache_callback precallback, int ttl_pre, unsigned
}
if (ttl < 0) {
if (dns_cache_head.enable_inactive) {
if (dns_cache_head.enable_inactive && dns_cache->info.no_inactive == 0) {
_dns_cache_move_inactive(dns_cache);
} else {
_dns_cache_remove(dns_cache);