diff options
Diffstat (limited to 'src/resolve/resolved-dns-cache.c')
| -rw-r--r-- | src/resolve/resolved-dns-cache.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c index f9fe2c2e30..49d5090d36 100644 --- a/src/resolve/resolved-dns-cache.c +++ b/src/resolve/resolved-dns-cache.c @@ -740,6 +740,8 @@ int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, int *rcode, DnsAnswer **r log_debug("Ignoring cache for ANY lookup: %s", key_str); } + c->n_miss++; + *ret = NULL; *rcode = DNS_RCODE_SUCCESS; return 0; @@ -757,6 +759,8 @@ int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, int *rcode, DnsAnswer **r log_debug("Cache miss for %s", key_str); } + c->n_miss++; + *ret = NULL; *rcode = DNS_RCODE_SUCCESS; return 0; @@ -794,9 +798,15 @@ int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, int *rcode, DnsAnswer **r *rcode = DNS_RCODE_SUCCESS; *authenticated = nsec->authenticated; - return !bitmap_isset(nsec->rr->nsec.types, key->type) && - !bitmap_isset(nsec->rr->nsec.types, DNS_TYPE_CNAME) && - !bitmap_isset(nsec->rr->nsec.types, DNS_TYPE_DNAME); + if (!bitmap_isset(nsec->rr->nsec.types, key->type) && + !bitmap_isset(nsec->rr->nsec.types, DNS_TYPE_CNAME) && + !bitmap_isset(nsec->rr->nsec.types, DNS_TYPE_DNAME)) { + c->n_hit++; + return 1; + } + + c->n_miss++; + return 0; } if (log_get_max_level() >= LOG_DEBUG) { @@ -811,6 +821,8 @@ int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, int *rcode, DnsAnswer **r } if (n <= 0) { + c->n_hit++; + *ret = NULL; *rcode = nxdomain ? DNS_RCODE_NXDOMAIN : DNS_RCODE_SUCCESS; *authenticated = have_authenticated && !have_non_authenticated; @@ -830,6 +842,8 @@ int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, int *rcode, DnsAnswer **r return r; } + c->n_hit++; + *ret = answer; *rcode = DNS_RCODE_SUCCESS; *authenticated = have_authenticated && !have_non_authenticated; @@ -974,3 +988,10 @@ bool dns_cache_is_empty(DnsCache *cache) { return hashmap_isempty(cache->by_key); } + +unsigned dns_cache_size(DnsCache *cache) { + if (!cache) + return 0; + + return hashmap_size(cache->by_key); +} |