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optimize prefetch feature

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This commit is contained in:
Nick Peng
2019-01-18 00:19:17 +08:00
parent dd4372a961
commit bb1c4d2bfa
3 changed files with 20 additions and 1 deletions
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8
src/dns_server.c
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@@ -1865,7 +1865,13 @@ void _dns_server_tcp_ping_check(struct dns_request *request)
void _dns_server_prefetch_domain(struct dns_cache *dns_cache)
{
tlog(TLOG_DEBUG, "prefetch by cache %s, qtype %d, ttl %d", dns_cache->domain, dns_cache->qtype, dns_cache->ttl);
if (dns_cache->hitnum <= 0) {
return;
}
dns_cache->hitnum--;
tlog(TLOG_DEBUG, "prefetch by cache %s, qtype %d, ttl %d, hitnum %d", dns_cache->domain, dns_cache->qtype, dns_cache->ttl, dns_cache->hitnum);
if (_dns_server_prefetch_request(dns_cache->domain, dns_cache->qtype) != 0) {
tlog(TLOG_ERROR, "prefetch domain %s, qtype %d, failed.", dns_cache->domain, dns_cache->qtype);
}