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optimize: store dnsCache 17 more seconds

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mzz2017 2023-01-30 17:35:05 +08:00
parent 2105b5108b
commit 74676aca69
1 changed files with 2 additions and 2 deletions
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4
component/control/dns.go
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@ -142,13 +142,13 @@ func (c *ControlPlane) DnsRespHandler(data []byte) (newData []byte, err error) {
cache, ok := c.dnsCache[cacheKey] cache, ok := c.dnsCache[cacheKey]
if ok { if ok {
c.mutex.Unlock() c.mutex.Unlock()
cache.Deadline = time.Now().Add(time.Duration(ttl) * time.Second) cache.Deadline = time.Now().Add(time.Duration(ttl)*time.Second + DnsNatTimeout)
cache.Answers = msg.Answers cache.Answers = msg.Answers
} else { } else {
cache = &dnsCache{ cache = &dnsCache{
DomainBitmap: c.MatchDomainBitmap(strings.TrimSuffix(fqdn, ".")), DomainBitmap: c.MatchDomainBitmap(strings.TrimSuffix(fqdn, ".")),
Answers: msg.Answers, Answers: msg.Answers,
Deadline: time.Now().Add(time.Duration(ttl) * time.Second), Deadline: time.Now().Add(time.Duration(ttl)*time.Second + DnsNatTimeout),
} }
c.dnsCache[cacheKey] = cache c.dnsCache[cacheKey] = cache
c.mutex.Unlock() c.mutex.Unlock()