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nghttpx: Set DNS cache expire date for error and ok statuses only

This commit is contained in:
Tatsuhiro Tsujikawa 2016-12-11 11:49:24 +09:00
parent e007b6b031
commit 22bd9fb530
1 changed files with 14 additions and 1 deletions
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13
src/shrpx_dns_tracker.cc
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@ -65,7 +65,12 @@ ResolverEntry DNSTracker::make_entry(std::unique_ptr<DualDNSResolver> resolv,
ent.resolv = std::move(resolv); ent.resolv = std::move(resolv);
ent.host = std::move(host); ent.host = std::move(host);
ent.status = status; ent.status = status;
switch (status) {
case DNS_STATUS_ERROR:
case DNS_STATUS_OK:
ent.expiry = ev_now(loop_) + dnsconf.timeout.cache; ent.expiry = ev_now(loop_) + dnsconf.timeout.cache;
break;
}
if (result) { if (result) {
ent.result = *result; ent.result = *result;
} }
@ -75,8 +80,16 @@ ResolverEntry DNSTracker::make_entry(std::unique_ptr<DualDNSResolver> resolv,
void DNSTracker::update_entry(ResolverEntry &ent, void DNSTracker::update_entry(ResolverEntry &ent,
std::unique_ptr<DualDNSResolver> resolv, std::unique_ptr<DualDNSResolver> resolv,
int status, const Address *result) { int status, const Address *result) {
auto &dnsconf = get_config()->dns;
ent.resolv = std::move(resolv); ent.resolv = std::move(resolv);
ent.status = status; ent.status = status;
switch (status) {
case DNS_STATUS_ERROR:
case DNS_STATUS_OK:
ent.expiry = ev_now(loop_) + dnsconf.timeout.cache;
break;
}
if (result) { if (result) {
ent.result = *result; ent.result = *result;
} }